wpa_supplicant/ctrl_iface.c

   1 /*
   2  * WPA Supplicant / Control interface (shared code for all backends)
   3  * Copyright (c) 2004-2015, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10 #ifdef CONFIG_TESTING_OPTIONS
  11 #include <net/ethernet.h>
  12 #include <netinet/ip.h>
  13 #endif /* CONFIG_TESTING_OPTIONS */
  14
  15 #include "utils/common.h"
  16 #include "utils/eloop.h"
  17 #include "utils/uuid.h"
  18 #include "utils/module_tests.h"
  19 #include "common/version.h"
  20 #include "common/ieee802_11_defs.h"
  21 #include "common/ieee802_11_common.h"
  22 #include "common/wpa_ctrl.h"
  23 #include "crypto/tls.h"
  24 #include "ap/hostapd.h"
  25 #include "eap_peer/eap.h"
  26 #include "eapol_supp/eapol_supp_sm.h"
  27 #include "rsn_supp/wpa.h"
  28 #include "rsn_supp/preauth.h"
  29 #include "rsn_supp/pmksa_cache.h"
  30 #include "l2_packet/l2_packet.h"
  31 #include "wps/wps.h"
  32 #include "fst/fst.h"
  33 #include "fst/fst_ctrl_iface.h"
  34 #include "config.h"
  35 #include "wpa_supplicant_i.h"
  36 #include "driver_i.h"
  37 #include "wps_supplicant.h"
  38 #include "ibss_rsn.h"
  39 #include "ap.h"
  40 #include "p2p_supplicant.h"
  41 #include "p2p/p2p.h"
  42 #include "hs20_supplicant.h"
  43 #include "wifi_display.h"
  44 #include "notify.h"
  45 #include "bss.h"
  46 #include "scan.h"
  47 #include "ctrl_iface.h"
  48 #include "interworking.h"
  49 #include "blacklist.h"
  50 #include "autoscan.h"
  51 #include "wnm_sta.h"
  52 #include "offchannel.h"
  53 #include "drivers/driver.h"
  54 #include "mesh.h"
  55
  56 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
  57                                             char *buf, int len);
  58 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
  59                                                   const char *input,
  60                                                   char *buf, int len);
  61 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
  62                                         char *val);
  63
  64 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
  65 {
  66         char *pos;
  67         u8 addr[ETH_ALEN], *filter = NULL, *n;
  68         size_t count = 0;
  69
  70         pos = val;
  71         while (pos) {
  72                 if (*pos == '\0')
  73                         break;
  74                 if (hwaddr_aton(pos, addr)) {
  75                         os_free(filter);
  76                         return -1;
  77                 }
  78                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
  79                 if (n == NULL) {
  80                         os_free(filter);
  81                         return -1;
  82                 }
  83                 filter = n;
  84                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
  85                 count++;
  86
  87                 pos = os_strchr(pos, ' ');
  88                 if (pos)
  89                         pos++;
  90         }
  91
  92         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
  93         os_free(wpa_s->bssid_filter);
  94         wpa_s->bssid_filter = filter;
  95         wpa_s->bssid_filter_count = count;
  96
  97         return 0;
  98 }
  99
 100
 101 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
 102 {
 103         char *pos;
 104         u8 addr[ETH_ALEN], *bssid = NULL, *n;
 105         struct wpa_ssid_value *ssid = NULL, *ns;
 106         size_t count = 0, ssid_count = 0;
 107         struct wpa_ssid *c;
 108
 109         /*
 110          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
 111          * SSID_SPEC ::= ssid <SSID_HEX>
 112          * BSSID_SPEC ::= bssid <BSSID_HEX>
 113          */
 114
 115         pos = val;
 116         while (pos) {
 117                 if (*pos == '\0')
 118                         break;
 119                 if (os_strncmp(pos, "bssid ", 6) == 0) {
 120                         int res;
 121                         pos += 6;
 122                         res = hwaddr_aton2(pos, addr);
 123                         if (res < 0) {
 124                                 os_free(ssid);
 125                                 os_free(bssid);
 126                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 127                                            "BSSID value '%s'", pos);
 128                                 return -1;
 129                         }
 130                         pos += res;
 131                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
 132                         if (n == NULL) {
 133                                 os_free(ssid);
 134                                 os_free(bssid);
 135                                 return -1;
 136                         }
 137                         bssid = n;
 138                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
 139                         count++;
 140                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
 141                         char *end;
 142                         pos += 5;
 143
 144                         end = pos;
 145                         while (*end) {
 146                                 if (*end == '\0' || *end == ' ')
 147                                         break;
 148                                 end++;
 149                         }
 150
 151                         ns = os_realloc_array(ssid, ssid_count + 1,
 152                                               sizeof(struct wpa_ssid_value));
 153                         if (ns == NULL) {
 154                                 os_free(ssid);
 155                                 os_free(bssid);
 156                                 return -1;
 157                         }
 158                         ssid = ns;
 159
 160                         if ((end - pos) & 0x01 ||
 161                             end - pos > 2 * SSID_MAX_LEN ||
 162                             hexstr2bin(pos, ssid[ssid_count].ssid,
 163                                        (end - pos) / 2) < 0) {
 164                                 os_free(ssid);
 165                                 os_free(bssid);
 166                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 167                                            "SSID value '%s'", pos);
 168                                 return -1;
 169                         }
 170                         ssid[ssid_count].ssid_len = (end - pos) / 2;
 171                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
 172                                           ssid[ssid_count].ssid,
 173                                           ssid[ssid_count].ssid_len);
 174                         ssid_count++;
 175                         pos = end;
 176                 } else {
 177                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
 178                                    "'%s'", pos);
 179                         os_free(ssid);
 180                         os_free(bssid);
 181                         return -1;
 182                 }
 183
 184                 pos = os_strchr(pos, ' ');
 185                 if (pos)
 186                         pos++;
 187         }
 188
 189         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
 190         os_free(wpa_s->disallow_aps_bssid);
 191         wpa_s->disallow_aps_bssid = bssid;
 192         wpa_s->disallow_aps_bssid_count = count;
 193
 194         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
 195         os_free(wpa_s->disallow_aps_ssid);
 196         wpa_s->disallow_aps_ssid = ssid;
 197         wpa_s->disallow_aps_ssid_count = ssid_count;
 198
 199         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
 200                 return 0;
 201
 202         c = wpa_s->current_ssid;
 203         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
 204                 return 0;
 205
 206         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
 207             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
 208                 return 0;
 209
 210         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
 211                    "because current AP was marked disallowed");
 212
 213 #ifdef CONFIG_SME
 214         wpa_s->sme.prev_bssid_set = 0;
 215 #endif /* CONFIG_SME */
 216         wpa_s->reassociate = 1;
 217         wpa_s->own_disconnect_req = 1;
 218         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
 219         wpa_supplicant_req_scan(wpa_s, 0, 0);
 220
 221         return 0;
 222 }
 223
 224
 225 #ifndef CONFIG_NO_CONFIG_BLOBS
 226 static int wpas_ctrl_set_blob(struct wpa_supplicant *wpa_s, char *pos)
 227 {
 228         char *name = pos;
 229         struct wpa_config_blob *blob;
 230         size_t len;
 231
 232         pos = os_strchr(pos, ' ');
 233         if (pos == NULL)
 234                 return -1;
 235         *pos++ = '\0';
 236         len = os_strlen(pos);
 237         if (len & 1)
 238                 return -1;
 239
 240         wpa_printf(MSG_DEBUG, "CTRL: Set blob '%s'", name);
 241         blob = os_zalloc(sizeof(*blob));
 242         if (blob == NULL)
 243                 return -1;
 244         blob->name = os_strdup(name);
 245         blob->data = os_malloc(len / 2);
 246         if (blob->name == NULL || blob->data == NULL) {
 247                 wpa_config_free_blob(blob);
 248                 return -1;
 249         }
 250
 251         if (hexstr2bin(pos, blob->data, len / 2) < 0) {
 252                 wpa_printf(MSG_DEBUG, "CTRL: Invalid blob hex data");
 253                 wpa_config_free_blob(blob);
 254                 return -1;
 255         }
 256         blob->len = len / 2;
 257
 258         wpa_config_set_blob(wpa_s->conf, blob);
 259
 260         return 0;
 261 }
 262 #endif /* CONFIG_NO_CONFIG_BLOBS */
 263
 264
 265 static int wpas_ctrl_pno(struct wpa_supplicant *wpa_s, char *cmd)
 266 {
 267         char *params;
 268         char *pos;
 269         int *freqs = NULL;
 270         int ret;
 271
 272         if (atoi(cmd)) {
 273                 params = os_strchr(cmd, ' ');
 274                 os_free(wpa_s->manual_sched_scan_freqs);
 275                 if (params) {
 276                         params++;
 277                         pos = os_strstr(params, "freq=");
 278                         if (pos)
 279                                 freqs = freq_range_to_channel_list(wpa_s,
 280                                                                    pos + 5);
 281                 }
 282                 wpa_s->manual_sched_scan_freqs = freqs;
 283                 ret = wpas_start_pno(wpa_s);
 284         } else {
 285                 ret = wpas_stop_pno(wpa_s);
 286         }
 287         return ret;
 288 }
 289
 290
 291 static int wpas_ctrl_set_band(struct wpa_supplicant *wpa_s, char *band)
 292 {
 293         union wpa_event_data event;
 294
 295         if (os_strcmp(band, "AUTO") == 0)
 296                 wpa_s->setband = WPA_SETBAND_AUTO;
 297         else if (os_strcmp(band, "5G") == 0)
 298                 wpa_s->setband = WPA_SETBAND_5G;
 299         else if (os_strcmp(band, "2G") == 0)
 300                 wpa_s->setband = WPA_SETBAND_2G;
 301         else
 302                 return -1;
 303
 304         if (wpa_drv_setband(wpa_s, wpa_s->setband) == 0) {
 305                 os_memset(&event, 0, sizeof(event));
 306                 event.channel_list_changed.initiator = REGDOM_SET_BY_USER;
 307                 event.channel_list_changed.type = REGDOM_TYPE_UNKNOWN;
 308                 wpa_supplicant_event(wpa_s, EVENT_CHANNEL_LIST_CHANGED, &event);
 309         }
 310
 311         return 0;
 312 }
 313
 314
 315 static int wpas_ctrl_iface_set_lci(struct wpa_supplicant *wpa_s,
 316                                    const char *cmd)
 317 {
 318         struct wpabuf *lci;
 319
 320         if (*cmd == '\0' || os_strcmp(cmd, "\"\"") == 0) {
 321                 wpabuf_free(wpa_s->lci);
 322                 wpa_s->lci = NULL;
 323                 return 0;
 324         }
 325
 326         lci = wpabuf_parse_bin(cmd);
 327         if (!lci)
 328                 return -1;
 329
 330         if (os_get_reltime(&wpa_s->lci_time)) {
 331                 wpabuf_free(lci);
 332                 return -1;
 333         }
 334
 335         wpabuf_free(wpa_s->lci);
 336         wpa_s->lci = lci;
 337
 338         return 0;
 339 }
 340
 341
 342 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
 343                                          char *cmd)
 344 {
 345         char *value;
 346         int ret = 0;
 347
 348         value = os_strchr(cmd, ' ');
 349         if (value == NULL)
 350                 return -1;
 351         *value++ = '\0';
 352
 353         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
 354         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
 355                 eapol_sm_configure(wpa_s->eapol,
 356                                    atoi(value), -1, -1, -1);
 357         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
 358                 eapol_sm_configure(wpa_s->eapol,
 359                                    -1, atoi(value), -1, -1);
 360         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
 361                 eapol_sm_configure(wpa_s->eapol,
 362                                    -1, -1, atoi(value), -1);
 363         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
 364                 eapol_sm_configure(wpa_s->eapol,
 365                                    -1, -1, -1, atoi(value));
 366         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
 367                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
 368                                      atoi(value)))
 369                         ret = -1;
 370         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
 371                    0) {
 372                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
 373                                      atoi(value)))
 374                         ret = -1;
 375         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
 376                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
 377                         ret = -1;
 378         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
 379                 wpa_s->wps_fragment_size = atoi(value);
 380 #ifdef CONFIG_WPS_TESTING
 381         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
 382                 long int val;
 383                 val = strtol(value, NULL, 0);
 384                 if (val < 0 || val > 0xff) {
 385                         ret = -1;
 386                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
 387                                    "wps_version_number %ld", val);
 388                 } else {
 389                         wps_version_number = val;
 390                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
 391                                    "version %u.%u",
 392                                    (wps_version_number & 0xf0) >> 4,
 393                                    wps_version_number & 0x0f);
 394                 }
 395         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
 396                 wps_testing_dummy_cred = atoi(value);
 397                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
 398                            wps_testing_dummy_cred);
 399         } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
 400                 wps_corrupt_pkhash = atoi(value);
 401                 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
 402                            wps_corrupt_pkhash);
 403         } else if (os_strcasecmp(cmd, "wps_force_auth_types") == 0) {
 404                 if (value[0] == '\0') {
 405                         wps_force_auth_types_in_use = 0;
 406                 } else {
 407                         wps_force_auth_types = strtol(value, NULL, 0);
 408                         wps_force_auth_types_in_use = 1;
 409                 }
 410         } else if (os_strcasecmp(cmd, "wps_force_encr_types") == 0) {
 411                 if (value[0] == '\0') {
 412                         wps_force_encr_types_in_use = 0;
 413                 } else {
 414                         wps_force_encr_types = strtol(value, NULL, 0);
 415                         wps_force_encr_types_in_use = 1;
 416                 }
 417 #endif /* CONFIG_WPS_TESTING */
 418         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
 419                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
 420                         ret = -1;
 421 #ifdef CONFIG_TDLS
 422 #ifdef CONFIG_TDLS_TESTING
 423         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
 424                 tdls_testing = strtol(value, NULL, 0);
 425                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
 426 #endif /* CONFIG_TDLS_TESTING */
 427         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
 428                 int disabled = atoi(value);
 429                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
 430                 if (disabled) {
 431                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
 432                                 ret = -1;
 433                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
 434                         ret = -1;
 435                 wpa_tdls_enable(wpa_s->wpa, !disabled);
 436 #endif /* CONFIG_TDLS */
 437         } else if (os_strcasecmp(cmd, "pno") == 0) {
 438                 ret = wpas_ctrl_pno(wpa_s, value);
 439         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
 440                 int disabled = atoi(value);
 441                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
 442                         ret = -1;
 443                 else if (disabled)
 444                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
 445         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
 446                 if (os_strcmp(value, "disable") == 0)
 447                         wpa_s->set_sta_uapsd = 0;
 448                 else {
 449                         int be, bk, vi, vo;
 450                         char *pos;
 451                         /* format: BE,BK,VI,VO;max SP Length */
 452                         be = atoi(value);
 453                         pos = os_strchr(value, ',');
 454                         if (pos == NULL)
 455                                 return -1;
 456                         pos++;
 457                         bk = atoi(pos);
 458                         pos = os_strchr(pos, ',');
 459                         if (pos == NULL)
 460                                 return -1;
 461                         pos++;
 462                         vi = atoi(pos);
 463                         pos = os_strchr(pos, ',');
 464                         if (pos == NULL)
 465                                 return -1;
 466                         pos++;
 467                         vo = atoi(pos);
 468                         /* ignore max SP Length for now */
 469
 470                         wpa_s->set_sta_uapsd = 1;
 471                         wpa_s->sta_uapsd = 0;
 472                         if (be)
 473                                 wpa_s->sta_uapsd |= BIT(0);
 474                         if (bk)
 475                                 wpa_s->sta_uapsd |= BIT(1);
 476                         if (vi)
 477                                 wpa_s->sta_uapsd |= BIT(2);
 478                         if (vo)
 479                                 wpa_s->sta_uapsd |= BIT(3);
 480                 }
 481         } else if (os_strcasecmp(cmd, "ps") == 0) {
 482                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
 483 #ifdef CONFIG_WIFI_DISPLAY
 484         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 485                 int enabled = !!atoi(value);
 486                 if (enabled && !wpa_s->global->p2p)
 487                         ret = -1;
 488                 else
 489                         wifi_display_enable(wpa_s->global, enabled);
 490 #endif /* CONFIG_WIFI_DISPLAY */
 491         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
 492                 ret = set_bssid_filter(wpa_s, value);
 493         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
 494                 ret = set_disallow_aps(wpa_s, value);
 495         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
 496                 wpa_s->no_keep_alive = !!atoi(value);
 497 #ifdef CONFIG_TESTING_OPTIONS
 498         } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
 499                 wpa_s->ext_mgmt_frame_handling = !!atoi(value);
 500         } else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
 501                 wpa_s->ext_eapol_frame_io = !!atoi(value);
 502 #ifdef CONFIG_AP
 503                 if (wpa_s->ap_iface) {
 504                         wpa_s->ap_iface->bss[0]->ext_eapol_frame_io =
 505                                 wpa_s->ext_eapol_frame_io;
 506                 }
 507 #endif /* CONFIG_AP */
 508         } else if (os_strcasecmp(cmd, "extra_roc_dur") == 0) {
 509                 wpa_s->extra_roc_dur = atoi(value);
 510         } else if (os_strcasecmp(cmd, "test_failure") == 0) {
 511                 wpa_s->test_failure = atoi(value);
 512         } else if (os_strcasecmp(cmd, "p2p_go_csa_on_inv") == 0) {
 513                 wpa_s->p2p_go_csa_on_inv = !!atoi(value);
 514         } else if (os_strcasecmp(cmd, "ignore_auth_resp") == 0) {
 515                 wpa_s->ignore_auth_resp = !!atoi(value);
 516         } else if (os_strcasecmp(cmd, "ignore_assoc_disallow") == 0) {
 517                 wpa_s->ignore_assoc_disallow = !!atoi(value);
 518         } else if (os_strcasecmp(cmd, "reject_btm_req_reason") == 0) {
 519                 wpa_s->reject_btm_req_reason = atoi(value);
 520 #endif /* CONFIG_TESTING_OPTIONS */
 521 #ifndef CONFIG_NO_CONFIG_BLOBS
 522         } else if (os_strcmp(cmd, "blob") == 0) {
 523                 ret = wpas_ctrl_set_blob(wpa_s, value);
 524 #endif /* CONFIG_NO_CONFIG_BLOBS */
 525         } else if (os_strcasecmp(cmd, "setband") == 0) {
 526                 ret = wpas_ctrl_set_band(wpa_s, value);
 527 #ifdef CONFIG_MBO
 528         } else if (os_strcasecmp(cmd, "non_pref_chan") == 0) {
 529                 ret = wpas_mbo_update_non_pref_chan(wpa_s, value);
 530         } else if (os_strcasecmp(cmd, "mbo_cell_capa") == 0) {
 531                 wpas_mbo_update_cell_capa(wpa_s, atoi(value));
 532 #endif /* CONFIG_MBO */
 533         } else if (os_strcasecmp(cmd, "lci") == 0) {
 534                 ret = wpas_ctrl_iface_set_lci(wpa_s, value);
 535         } else {
 536                 value[-1] = '=';
 537                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
 538                 if (ret == 0)
 539                         wpa_supplicant_update_config(wpa_s);
 540         }
 541
 542         return ret;
 543 }
 544
 545
 546 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
 547                                          char *cmd, char *buf, size_t buflen)
 548 {
 549         int res = -1;
 550
 551         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
 552
 553         if (os_strcmp(cmd, "version") == 0) {
 554                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
 555         } else if (os_strcasecmp(cmd, "country") == 0) {
 556                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
 557                         res = os_snprintf(buf, buflen, "%c%c",
 558                                           wpa_s->conf->country[0],
 559                                           wpa_s->conf->country[1]);
 560 #ifdef CONFIG_WIFI_DISPLAY
 561         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 562                 int enabled;
 563                 if (wpa_s->global->p2p == NULL ||
 564                     wpa_s->global->p2p_disabled)
 565                         enabled = 0;
 566                 else
 567                         enabled = wpa_s->global->wifi_display;
 568                 res = os_snprintf(buf, buflen, "%d", enabled);
 569 #endif /* CONFIG_WIFI_DISPLAY */
 570 #ifdef CONFIG_TESTING_GET_GTK
 571         } else if (os_strcmp(cmd, "gtk") == 0) {
 572                 if (wpa_s->last_gtk_len == 0)
 573                         return -1;
 574                 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
 575                                        wpa_s->last_gtk_len);
 576                 return res;
 577 #endif /* CONFIG_TESTING_GET_GTK */
 578         } else if (os_strcmp(cmd, "tls_library") == 0) {
 579                 res = tls_get_library_version(buf, buflen);
 580         } else {
 581                 res = wpa_config_get_value(cmd, wpa_s->conf, buf, buflen);
 582         }
 583
 584         if (os_snprintf_error(buflen, res))
 585                 return -1;
 586         return res;
 587 }
 588
 589
 590 #ifdef IEEE8021X_EAPOL
 591 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
 592                                              char *addr)
 593 {
 594         u8 bssid[ETH_ALEN];
 595         struct wpa_ssid *ssid = wpa_s->current_ssid;
 596
 597         if (hwaddr_aton(addr, bssid)) {
 598                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
 599                            "'%s'", addr);
 600                 return -1;
 601         }
 602
 603         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
 604         rsn_preauth_deinit(wpa_s->wpa);
 605         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
 606                 return -1;
 607
 608         return 0;
 609 }
 610 #endif /* IEEE8021X_EAPOL */
 611
 612
 613 #ifdef CONFIG_PEERKEY
 614 /* MLME-STKSTART.request(peer) */
 615 static int wpa_supplicant_ctrl_iface_stkstart(
 616         struct wpa_supplicant *wpa_s, char *addr)
 617 {
 618         u8 peer[ETH_ALEN];
 619
 620         if (hwaddr_aton(addr, peer)) {
 621                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
 622                            "address '%s'", addr);
 623                 return -1;
 624         }
 625
 626         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
 627                    MAC2STR(peer));
 628
 629         return wpa_sm_stkstart(wpa_s->wpa, peer);
 630 }
 631 #endif /* CONFIG_PEERKEY */
 632
 633
 634 #ifdef CONFIG_TDLS
 635
 636 static int wpa_supplicant_ctrl_iface_tdls_discover(
 637         struct wpa_supplicant *wpa_s, char *addr)
 638 {
 639         u8 peer[ETH_ALEN];
 640         int ret;
 641
 642         if (hwaddr_aton(addr, peer)) {
 643                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
 644                            "address '%s'", addr);
 645                 return -1;
 646         }
 647
 648         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
 649                    MAC2STR(peer));
 650
 651         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 652                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
 653         else
 654                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
 655
 656         return ret;
 657 }
 658
 659
 660 static int wpa_supplicant_ctrl_iface_tdls_setup(
 661         struct wpa_supplicant *wpa_s, char *addr)
 662 {
 663         u8 peer[ETH_ALEN];
 664         int ret;
 665
 666         if (hwaddr_aton(addr, peer)) {
 667                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
 668                            "address '%s'", addr);
 669                 return -1;
 670         }
 671
 672         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
 673                    MAC2STR(peer));
 674
 675         if ((wpa_s->conf->tdls_external_control) &&
 676             wpa_tdls_is_external_setup(wpa_s->wpa))
 677                 return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 678
 679         wpa_tdls_remove(wpa_s->wpa, peer);
 680
 681         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 682                 ret = wpa_tdls_start(wpa_s->wpa, peer);
 683         else
 684                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 685
 686         return ret;
 687 }
 688
 689
 690 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 691         struct wpa_supplicant *wpa_s, char *addr)
 692 {
 693         u8 peer[ETH_ALEN];
 694         int ret;
 695
 696         if (os_strcmp(addr, "*") == 0) {
 697                 /* remove everyone */
 698                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN *");
 699                 wpa_tdls_teardown_peers(wpa_s->wpa);
 700                 return 0;
 701         }
 702
 703         if (hwaddr_aton(addr, peer)) {
 704                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 705                            "address '%s'", addr);
 706                 return -1;
 707         }
 708
 709         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 710                    MAC2STR(peer));
 711
 712         if ((wpa_s->conf->tdls_external_control) &&
 713             wpa_tdls_is_external_setup(wpa_s->wpa))
 714                 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 715
 716         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 717                 ret = wpa_tdls_teardown_link(
 718                         wpa_s->wpa, peer,
 719                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 720         else
 721                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 722
 723         return ret;
 724 }
 725
 726
 727 static int ctrl_iface_get_capability_tdls(
 728         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
 729 {
 730         int ret;
 731
 732         ret = os_snprintf(buf, buflen, "%s\n",
 733                           wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
 734                           (wpa_s->drv_flags &
 735                            WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
 736                            "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
 737         if (os_snprintf_error(buflen, ret))
 738                 return -1;
 739         return ret;
 740 }
 741
 742
 743 static int wpa_supplicant_ctrl_iface_tdls_chan_switch(
 744         struct wpa_supplicant *wpa_s, char *cmd)
 745 {
 746         u8 peer[ETH_ALEN];
 747         struct hostapd_freq_params freq_params;
 748         u8 oper_class;
 749         char *pos, *end;
 750
 751         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
 752                 wpa_printf(MSG_INFO,
 753                            "tdls_chanswitch: Only supported with external setup");
 754                 return -1;
 755         }
 756
 757         os_memset(&freq_params, 0, sizeof(freq_params));
 758
 759         pos = os_strchr(cmd, ' ');
 760         if (pos == NULL)
 761                 return -1;
 762         *pos++ = '\0';
 763
 764         oper_class = strtol(pos, &end, 10);
 765         if (pos == end) {
 766                 wpa_printf(MSG_INFO,
 767                            "tdls_chanswitch: Invalid op class provided");
 768                 return -1;
 769         }
 770
 771         pos = end;
 772         freq_params.freq = atoi(pos);
 773         if (freq_params.freq == 0) {
 774                 wpa_printf(MSG_INFO, "tdls_chanswitch: Invalid freq provided");
 775                 return -1;
 776         }
 777
 778 #define SET_FREQ_SETTING(str) \
 779         do { \
 780                 const char *pos2 = os_strstr(pos, " " #str "="); \
 781                 if (pos2) { \
 782                         pos2 += sizeof(" " #str "=") - 1; \
 783                         freq_params.str = atoi(pos2); \
 784                 } \
 785         } while (0)
 786
 787         SET_FREQ_SETTING(center_freq1);
 788         SET_FREQ_SETTING(center_freq2);
 789         SET_FREQ_SETTING(bandwidth);
 790         SET_FREQ_SETTING(sec_channel_offset);
 791 #undef SET_FREQ_SETTING
 792
 793         freq_params.ht_enabled = !!os_strstr(pos, " ht");
 794         freq_params.vht_enabled = !!os_strstr(pos, " vht");
 795
 796         if (hwaddr_aton(cmd, peer)) {
 797                 wpa_printf(MSG_DEBUG,
 798                            "CTRL_IFACE TDLS_CHAN_SWITCH: Invalid address '%s'",
 799                            cmd);
 800                 return -1;
 801         }
 802
 803         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CHAN_SWITCH " MACSTR
 804                    " OP CLASS %d FREQ %d CENTER1 %d CENTER2 %d BW %d SEC_OFFSET %d%s%s",
 805                    MAC2STR(peer), oper_class, freq_params.freq,
 806                    freq_params.center_freq1, freq_params.center_freq2,
 807                    freq_params.bandwidth, freq_params.sec_channel_offset,
 808                    freq_params.ht_enabled ? " HT" : "",
 809                    freq_params.vht_enabled ? " VHT" : "");
 810
 811         return wpa_tdls_enable_chan_switch(wpa_s->wpa, peer, oper_class,
 812                                            &freq_params);
 813 }
 814
 815
 816 static int wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(
 817         struct wpa_supplicant *wpa_s, char *cmd)
 818 {
 819         u8 peer[ETH_ALEN];
 820
 821         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
 822                 wpa_printf(MSG_INFO,
 823                            "tdls_chanswitch: Only supported with external setup");
 824                 return -1;
 825         }
 826
 827         if (hwaddr_aton(cmd, peer)) {
 828                 wpa_printf(MSG_DEBUG,
 829                            "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH: Invalid address '%s'",
 830                            cmd);
 831                 return -1;
 832         }
 833
 834         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH " MACSTR,
 835                    MAC2STR(peer));
 836
 837         return wpa_tdls_disable_chan_switch(wpa_s->wpa, peer);
 838 }
 839
 840
 841 static int wpa_supplicant_ctrl_iface_tdls_link_status(
 842         struct wpa_supplicant *wpa_s, const char *addr,
 843         char *buf, size_t buflen)
 844 {
 845         u8 peer[ETH_ALEN];
 846         const char *tdls_status;
 847         int ret;
 848
 849         if (hwaddr_aton(addr, peer)) {
 850                 wpa_printf(MSG_DEBUG,
 851                            "CTRL_IFACE TDLS_LINK_STATUS: Invalid address '%s'",
 852                            addr);
 853                 return -1;
 854         }
 855         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS " MACSTR,
 856                    MAC2STR(peer));
 857
 858         tdls_status = wpa_tdls_get_link_status(wpa_s->wpa, peer);
 859         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS: %s", tdls_status);
 860         ret = os_snprintf(buf, buflen, "TDLS link status: %s\n", tdls_status);
 861         if (os_snprintf_error(buflen, ret))
 862                 return -1;
 863
 864         return ret;
 865 }
 866
 867 #endif /* CONFIG_TDLS */
 868
 869
 870 static int wmm_ac_ctrl_addts(struct wpa_supplicant *wpa_s, char *cmd)
 871 {
 872         char *token, *context = NULL;
 873         struct wmm_ac_ts_setup_params params = {
 874                 .tsid = 0xff,
 875                 .direction = 0xff,
 876         };
 877
 878         while ((token = str_token(cmd, " ", &context))) {
 879                 if (sscanf(token, "tsid=%i", &params.tsid) == 1 ||
 880                     sscanf(token, "up=%i", &params.user_priority) == 1 ||
 881                     sscanf(token, "nominal_msdu_size=%i",
 882                            &params.nominal_msdu_size) == 1 ||
 883                     sscanf(token, "mean_data_rate=%i",
 884                            &params.mean_data_rate) == 1 ||
 885                     sscanf(token, "min_phy_rate=%i",
 886                            &params.minimum_phy_rate) == 1 ||
 887                     sscanf(token, "sba=%i",
 888                            &params.surplus_bandwidth_allowance) == 1)
 889                         continue;
 890
 891                 if (os_strcasecmp(token, "downlink") == 0) {
 892                         params.direction = WMM_TSPEC_DIRECTION_DOWNLINK;
 893                 } else if (os_strcasecmp(token, "uplink") == 0) {
 894                         params.direction = WMM_TSPEC_DIRECTION_UPLINK;
 895                 } else if (os_strcasecmp(token, "bidi") == 0) {
 896                         params.direction = WMM_TSPEC_DIRECTION_BI_DIRECTIONAL;
 897                 } else if (os_strcasecmp(token, "fixed_nominal_msdu") == 0) {
 898                         params.fixed_nominal_msdu = 1;
 899                 } else {
 900                         wpa_printf(MSG_DEBUG,
 901                                    "CTRL: Invalid WMM_AC_ADDTS parameter: '%s'",
 902                                    token);
 903                         return -1;
 904                 }
 905
 906         }
 907
 908         return wpas_wmm_ac_addts(wpa_s, &params);
 909 }
 910
 911
 912 static int wmm_ac_ctrl_delts(struct wpa_supplicant *wpa_s, char *cmd)
 913 {
 914         u8 tsid = atoi(cmd);
 915
 916         return wpas_wmm_ac_delts(wpa_s, tsid);
 917 }
 918
 919
 920 #ifdef CONFIG_IEEE80211R
 921 static int wpa_supplicant_ctrl_iface_ft_ds(
 922         struct wpa_supplicant *wpa_s, char *addr)
 923 {
 924         u8 target_ap[ETH_ALEN];
 925         struct wpa_bss *bss;
 926         const u8 *mdie;
 927
 928         if (hwaddr_aton(addr, target_ap)) {
 929                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 930                            "address '%s'", addr);
 931                 return -1;
 932         }
 933
 934         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 935
 936         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 937         if (bss)
 938                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 939         else
 940                 mdie = NULL;
 941
 942         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 943 }
 944 #endif /* CONFIG_IEEE80211R */
 945
 946
 947 #ifdef CONFIG_WPS
 948 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 949                                              char *cmd)
 950 {
 951         u8 bssid[ETH_ALEN], *_bssid = bssid;
 952 #ifdef CONFIG_P2P
 953         u8 p2p_dev_addr[ETH_ALEN];
 954 #endif /* CONFIG_P2P */
 955 #ifdef CONFIG_AP
 956         u8 *_p2p_dev_addr = NULL;
 957 #endif /* CONFIG_AP */
 958
 959         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 960                 _bssid = NULL;
 961 #ifdef CONFIG_P2P
 962         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 963                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 964                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 965                                    "P2P Device Address '%s'",
 966                                    cmd + 13);
 967                         return -1;
 968                 }
 969                 _p2p_dev_addr = p2p_dev_addr;
 970 #endif /* CONFIG_P2P */
 971         } else if (hwaddr_aton(cmd, bssid)) {
 972                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 973                            cmd);
 974                 return -1;
 975         }
 976
 977 #ifdef CONFIG_AP
 978         if (wpa_s->ap_iface)
 979                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 980 #endif /* CONFIG_AP */
 981
 982         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 983 }
 984
 985
 986 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 987                                              char *cmd, char *buf,
 988                                              size_t buflen)
 989 {
 990         u8 bssid[ETH_ALEN], *_bssid = bssid;
 991         char *pin;
 992         int ret;
 993
 994         pin = os_strchr(cmd, ' ');
 995         if (pin)
 996                 *pin++ = '\0';
 997
 998         if (os_strcmp(cmd, "any") == 0)
 999                 _bssid = NULL;
1000         else if (os_strcmp(cmd, "get") == 0) {
1001                 if (wps_generate_pin((unsigned int *) &ret) < 0)
1002                         return -1;
1003                 goto done;
1004         } else if (hwaddr_aton(cmd, bssid)) {
1005                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
1006                            cmd);
1007                 return -1;
1008         }
1009
1010 #ifdef CONFIG_AP
1011         if (wpa_s->ap_iface) {
1012                 int timeout = 0;
1013                 char *pos;
1014
1015                 if (pin) {
1016                         pos = os_strchr(pin, ' ');
1017                         if (pos) {
1018                                 *pos++ = '\0';
1019                                 timeout = atoi(pos);
1020                         }
1021                 }
1022
1023                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
1024                                                  buf, buflen, timeout);
1025         }
1026 #endif /* CONFIG_AP */
1027
1028         if (pin) {
1029                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
1030                                          DEV_PW_DEFAULT);
1031                 if (ret < 0)
1032                         return -1;
1033                 ret = os_snprintf(buf, buflen, "%s", pin);
1034                 if (os_snprintf_error(buflen, ret))
1035                         return -1;
1036                 return ret;
1037         }
1038
1039         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
1040         if (ret < 0)
1041                 return -1;
1042
1043 done:
1044         /* Return the generated PIN */
1045         ret = os_snprintf(buf, buflen, "%08d", ret);
1046         if (os_snprintf_error(buflen, ret))
1047                 return -1;
1048         return ret;
1049 }
1050
1051
1052 static int wpa_supplicant_ctrl_iface_wps_check_pin(
1053         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
1054 {
1055         char pin[9];
1056         size_t len;
1057         char *pos;
1058         int ret;
1059
1060         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
1061                               (u8 *) cmd, os_strlen(cmd));
1062         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
1063                 if (*pos < '0' || *pos > '9')
1064                         continue;
1065                 pin[len++] = *pos;
1066                 if (len == 9) {
1067                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
1068                         return -1;
1069                 }
1070         }
1071         if (len != 4 && len != 8) {
1072                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
1073                 return -1;
1074         }
1075         pin[len] = '\0';
1076
1077         if (len == 8) {
1078                 unsigned int pin_val;
1079                 pin_val = atoi(pin);
1080                 if (!wps_pin_valid(pin_val)) {
1081                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
1082                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
1083                         if (os_snprintf_error(buflen, ret))
1084                                 return -1;
1085                         return ret;
1086                 }
1087         }
1088
1089         ret = os_snprintf(buf, buflen, "%s", pin);
1090         if (os_snprintf_error(buflen, ret))
1091                 return -1;
1092
1093         return ret;
1094 }
1095
1096
1097 #ifdef CONFIG_WPS_NFC
1098
1099 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
1100                                              char *cmd)
1101 {
1102         u8 bssid[ETH_ALEN], *_bssid = bssid;
1103
1104         if (cmd == NULL || cmd[0] == '\0')
1105                 _bssid = NULL;
1106         else if (hwaddr_aton(cmd, bssid))
1107                 return -1;
1108
1109         return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
1110                                   0, 0);
1111 }
1112
1113
1114 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
1115         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1116 {
1117         int ndef;
1118         struct wpabuf *buf;
1119         int res;
1120         char *pos;
1121
1122         pos = os_strchr(cmd, ' ');
1123         if (pos)
1124                 *pos++ = '\0';
1125         if (os_strcmp(cmd, "WPS") == 0)
1126                 ndef = 0;
1127         else if (os_strcmp(cmd, "NDEF") == 0)
1128                 ndef = 1;
1129         else
1130                 return -1;
1131
1132         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
1133         if (buf == NULL)
1134                 return -1;
1135
1136         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1137                                          wpabuf_len(buf));
1138         reply[res++] = '\n';
1139         reply[res] = '\0';
1140
1141         wpabuf_free(buf);
1142
1143         return res;
1144 }
1145
1146
1147 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
1148         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1149 {
1150         int ndef;
1151         struct wpabuf *buf;
1152         int res;
1153
1154         if (os_strcmp(cmd, "WPS") == 0)
1155                 ndef = 0;
1156         else if (os_strcmp(cmd, "NDEF") == 0)
1157                 ndef = 1;
1158         else
1159                 return -1;
1160
1161         buf = wpas_wps_nfc_token(wpa_s, ndef);
1162         if (buf == NULL)
1163                 return -1;
1164
1165         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1166                                          wpabuf_len(buf));
1167         reply[res++] = '\n';
1168         reply[res] = '\0';
1169
1170         wpabuf_free(buf);
1171
1172         return res;
1173 }
1174
1175
1176 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
1177         struct wpa_supplicant *wpa_s, char *pos)
1178 {
1179         size_t len;
1180         struct wpabuf *buf;
1181         int ret;
1182         char *freq;
1183         int forced_freq = 0;
1184
1185         freq = strstr(pos, " freq=");
1186         if (freq) {
1187                 *freq = '\0';
1188                 freq += 6;
1189                 forced_freq = atoi(freq);
1190         }
1191
1192         len = os_strlen(pos);
1193         if (len & 0x01)
1194                 return -1;
1195         len /= 2;
1196
1197         buf = wpabuf_alloc(len);
1198         if (buf == NULL)
1199                 return -1;
1200         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
1201                 wpabuf_free(buf);
1202                 return -1;
1203         }
1204
1205         ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
1206         wpabuf_free(buf);
1207
1208         return ret;
1209 }
1210
1211
1212 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
1213                                               char *reply, size_t max_len,
1214                                               int ndef)
1215 {
1216         struct wpabuf *buf;
1217         int res;
1218
1219         buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
1220         if (buf == NULL)
1221                 return -1;
1222
1223         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1224                                          wpabuf_len(buf));
1225         reply[res++] = '\n';
1226         reply[res] = '\0';
1227
1228         wpabuf_free(buf);
1229
1230         return res;
1231 }
1232
1233
1234 #ifdef CONFIG_P2P
1235 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
1236                                               char *reply, size_t max_len,
1237                                               int ndef)
1238 {
1239         struct wpabuf *buf;
1240         int res;
1241
1242         buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
1243         if (buf == NULL) {
1244                 wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
1245                 return -1;
1246         }
1247
1248         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1249                                          wpabuf_len(buf));
1250         reply[res++] = '\n';
1251         reply[res] = '\0';
1252
1253         wpabuf_free(buf);
1254
1255         return res;
1256 }
1257 #endif /* CONFIG_P2P */
1258
1259
1260 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
1261                                           char *cmd, char *reply,
1262                                           size_t max_len)
1263 {
1264         char *pos;
1265         int ndef;
1266
1267         pos = os_strchr(cmd, ' ');
1268         if (pos == NULL)
1269                 return -1;
1270         *pos++ = '\0';
1271
1272         if (os_strcmp(cmd, "WPS") == 0)
1273                 ndef = 0;
1274         else if (os_strcmp(cmd, "NDEF") == 0)
1275                 ndef = 1;
1276         else
1277                 return -1;
1278
1279         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1280                 if (!ndef)
1281                         return -1;
1282                 return wpas_ctrl_nfc_get_handover_req_wps(
1283                         wpa_s, reply, max_len, ndef);
1284         }
1285
1286 #ifdef CONFIG_P2P
1287         if (os_strcmp(pos, "P2P-CR") == 0) {
1288                 return wpas_ctrl_nfc_get_handover_req_p2p(
1289                         wpa_s, reply, max_len, ndef);
1290         }
1291 #endif /* CONFIG_P2P */
1292
1293         return -1;
1294 }
1295
1296
1297 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1298                                               char *reply, size_t max_len,
1299                                               int ndef, int cr, char *uuid)
1300 {
1301         struct wpabuf *buf;
1302         int res;
1303
1304         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1305         if (buf == NULL)
1306                 return -1;
1307
1308         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1309                                          wpabuf_len(buf));
1310         reply[res++] = '\n';
1311         reply[res] = '\0';
1312
1313         wpabuf_free(buf);
1314
1315         return res;
1316 }
1317
1318
1319 #ifdef CONFIG_P2P
1320 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1321                                               char *reply, size_t max_len,
1322                                               int ndef, int tag)
1323 {
1324         struct wpabuf *buf;
1325         int res;
1326
1327         buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1328         if (buf == NULL)
1329                 return -1;
1330
1331         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1332                                          wpabuf_len(buf));
1333         reply[res++] = '\n';
1334         reply[res] = '\0';
1335
1336         wpabuf_free(buf);
1337
1338         return res;
1339 }
1340 #endif /* CONFIG_P2P */
1341
1342
1343 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1344                                           char *cmd, char *reply,
1345                                           size_t max_len)
1346 {
1347         char *pos, *pos2;
1348         int ndef;
1349
1350         pos = os_strchr(cmd, ' ');
1351         if (pos == NULL)
1352                 return -1;
1353         *pos++ = '\0';
1354
1355         if (os_strcmp(cmd, "WPS") == 0)
1356                 ndef = 0;
1357         else if (os_strcmp(cmd, "NDEF") == 0)
1358                 ndef = 1;
1359         else
1360                 return -1;
1361
1362         pos2 = os_strchr(pos, ' ');
1363         if (pos2)
1364                 *pos2++ = '\0';
1365         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1366                 if (!ndef)
1367                         return -1;
1368                 return wpas_ctrl_nfc_get_handover_sel_wps(
1369                         wpa_s, reply, max_len, ndef,
1370                         os_strcmp(pos, "WPS-CR") == 0, pos2);
1371         }
1372
1373 #ifdef CONFIG_P2P
1374         if (os_strcmp(pos, "P2P-CR") == 0) {
1375                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1376                         wpa_s, reply, max_len, ndef, 0);
1377         }
1378
1379         if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1380                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1381                         wpa_s, reply, max_len, ndef, 1);
1382         }
1383 #endif /* CONFIG_P2P */
1384
1385         return -1;
1386 }
1387
1388
1389 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1390                                          char *cmd)
1391 {
1392         size_t len;
1393         struct wpabuf *req, *sel;
1394         int ret;
1395         char *pos, *role, *type, *pos2;
1396 #ifdef CONFIG_P2P
1397         char *freq;
1398         int forced_freq = 0;
1399
1400         freq = strstr(cmd, " freq=");
1401         if (freq) {
1402                 *freq = '\0';
1403                 freq += 6;
1404                 forced_freq = atoi(freq);
1405         }
1406 #endif /* CONFIG_P2P */
1407
1408         role = cmd;
1409         pos = os_strchr(role, ' ');
1410         if (pos == NULL) {
1411                 wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1412                 return -1;
1413         }
1414         *pos++ = '\0';
1415
1416         type = pos;
1417         pos = os_strchr(type, ' ');
1418         if (pos == NULL) {
1419                 wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1420                 return -1;
1421         }
1422         *pos++ = '\0';
1423
1424         pos2 = os_strchr(pos, ' ');
1425         if (pos2 == NULL) {
1426                 wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1427                 return -1;
1428         }
1429         *pos2++ = '\0';
1430
1431         len = os_strlen(pos);
1432         if (len & 0x01) {
1433                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1434                 return -1;
1435         }
1436         len /= 2;
1437
1438         req = wpabuf_alloc(len);
1439         if (req == NULL) {
1440                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1441                 return -1;
1442         }
1443         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1444                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1445                 wpabuf_free(req);
1446                 return -1;
1447         }
1448
1449         len = os_strlen(pos2);
1450         if (len & 0x01) {
1451                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1452                 wpabuf_free(req);
1453                 return -1;
1454         }
1455         len /= 2;
1456
1457         sel = wpabuf_alloc(len);
1458         if (sel == NULL) {
1459                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1460                 wpabuf_free(req);
1461                 return -1;
1462         }
1463         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1464                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1465                 wpabuf_free(req);
1466                 wpabuf_free(sel);
1467                 return -1;
1468         }
1469
1470         wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1471                    role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1472
1473         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1474                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1475 #ifdef CONFIG_AP
1476         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1477         {
1478                 ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1479                 if (ret < 0)
1480                         ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1481 #endif /* CONFIG_AP */
1482 #ifdef CONFIG_P2P
1483         } else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1484         {
1485                 ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1486         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1487         {
1488                 ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1489                                                    forced_freq);
1490 #endif /* CONFIG_P2P */
1491         } else {
1492                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1493                            "reported: role=%s type=%s", role, type);
1494                 ret = -1;
1495         }
1496         wpabuf_free(req);
1497         wpabuf_free(sel);
1498
1499         if (ret)
1500                 wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1501
1502         return ret;
1503 }
1504
1505 #endif /* CONFIG_WPS_NFC */
1506
1507
1508 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1509                                              char *cmd)
1510 {
1511         u8 bssid[ETH_ALEN];
1512         char *pin;
1513         char *new_ssid;
1514         char *new_auth;
1515         char *new_encr;
1516         char *new_key;
1517         struct wps_new_ap_settings ap;
1518
1519         pin = os_strchr(cmd, ' ');
1520         if (pin == NULL)
1521                 return -1;
1522         *pin++ = '\0';
1523
1524         if (hwaddr_aton(cmd, bssid)) {
1525                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1526                            cmd);
1527                 return -1;
1528         }
1529
1530         new_ssid = os_strchr(pin, ' ');
1531         if (new_ssid == NULL)
1532                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1533         *new_ssid++ = '\0';
1534
1535         new_auth = os_strchr(new_ssid, ' ');
1536         if (new_auth == NULL)
1537                 return -1;
1538         *new_auth++ = '\0';
1539
1540         new_encr = os_strchr(new_auth, ' ');
1541         if (new_encr == NULL)
1542                 return -1;
1543         *new_encr++ = '\0';
1544
1545         new_key = os_strchr(new_encr, ' ');
1546         if (new_key == NULL)
1547                 return -1;
1548         *new_key++ = '\0';
1549
1550         os_memset(&ap, 0, sizeof(ap));
1551         ap.ssid_hex = new_ssid;
1552         ap.auth = new_auth;
1553         ap.encr = new_encr;
1554         ap.key_hex = new_key;
1555         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1556 }
1557
1558
1559 #ifdef CONFIG_AP
1560 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1561                                                 char *cmd, char *buf,
1562                                                 size_t buflen)
1563 {
1564         int timeout = 300;
1565         char *pos;
1566         const char *pin_txt;
1567
1568         if (!wpa_s->ap_iface)
1569                 return -1;
1570
1571         pos = os_strchr(cmd, ' ');
1572         if (pos)
1573                 *pos++ = '\0';
1574
1575         if (os_strcmp(cmd, "disable") == 0) {
1576                 wpas_wps_ap_pin_disable(wpa_s);
1577                 return os_snprintf(buf, buflen, "OK\n");
1578         }
1579
1580         if (os_strcmp(cmd, "random") == 0) {
1581                 if (pos)
1582                         timeout = atoi(pos);
1583                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1584                 if (pin_txt == NULL)
1585                         return -1;
1586                 return os_snprintf(buf, buflen, "%s", pin_txt);
1587         }
1588
1589         if (os_strcmp(cmd, "get") == 0) {
1590                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1591                 if (pin_txt == NULL)
1592                         return -1;
1593                 return os_snprintf(buf, buflen, "%s", pin_txt);
1594         }
1595
1596         if (os_strcmp(cmd, "set") == 0) {
1597                 char *pin;
1598                 if (pos == NULL)
1599                         return -1;
1600                 pin = pos;
1601                 pos = os_strchr(pos, ' ');
1602                 if (pos) {
1603                         *pos++ = '\0';
1604                         timeout = atoi(pos);
1605                 }
1606                 if (os_strlen(pin) > buflen)
1607                         return -1;
1608                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1609                         return -1;
1610                 return os_snprintf(buf, buflen, "%s", pin);
1611         }
1612
1613         return -1;
1614 }
1615 #endif /* CONFIG_AP */
1616
1617
1618 #ifdef CONFIG_WPS_ER
1619 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1620                                                 char *cmd)
1621 {
1622         char *uuid = cmd, *pin, *pos;
1623         u8 addr_buf[ETH_ALEN], *addr = NULL;
1624         pin = os_strchr(uuid, ' ');
1625         if (pin == NULL)
1626                 return -1;
1627         *pin++ = '\0';
1628         pos = os_strchr(pin, ' ');
1629         if (pos) {
1630                 *pos++ = '\0';
1631                 if (hwaddr_aton(pos, addr_buf) == 0)
1632                         addr = addr_buf;
1633         }
1634         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1635 }
1636
1637
1638 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1639                                                   char *cmd)
1640 {
1641         char *uuid = cmd, *pin;
1642         pin = os_strchr(uuid, ' ');
1643         if (pin == NULL)
1644                 return -1;
1645         *pin++ = '\0';
1646         return wpas_wps_er_learn(wpa_s, uuid, pin);
1647 }
1648
1649
1650 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1651         struct wpa_supplicant *wpa_s, char *cmd)
1652 {
1653         char *uuid = cmd, *id;
1654         id = os_strchr(uuid, ' ');
1655         if (id == NULL)
1656                 return -1;
1657         *id++ = '\0';
1658         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1659 }
1660
1661
1662 static int wpa_supplicant_ctrl_iface_wps_er_config(
1663         struct wpa_supplicant *wpa_s, char *cmd)
1664 {
1665         char *pin;
1666         char *new_ssid;
1667         char *new_auth;
1668         char *new_encr;
1669         char *new_key;
1670         struct wps_new_ap_settings ap;
1671
1672         pin = os_strchr(cmd, ' ');
1673         if (pin == NULL)
1674                 return -1;
1675         *pin++ = '\0';
1676
1677         new_ssid = os_strchr(pin, ' ');
1678         if (new_ssid == NULL)
1679                 return -1;
1680         *new_ssid++ = '\0';
1681
1682         new_auth = os_strchr(new_ssid, ' ');
1683         if (new_auth == NULL)
1684                 return -1;
1685         *new_auth++ = '\0';
1686
1687         new_encr = os_strchr(new_auth, ' ');
1688         if (new_encr == NULL)
1689                 return -1;
1690         *new_encr++ = '\0';
1691
1692         new_key = os_strchr(new_encr, ' ');
1693         if (new_key == NULL)
1694                 return -1;
1695         *new_key++ = '\0';
1696
1697         os_memset(&ap, 0, sizeof(ap));
1698         ap.ssid_hex = new_ssid;
1699         ap.auth = new_auth;
1700         ap.encr = new_encr;
1701         ap.key_hex = new_key;
1702         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1703 }
1704
1705
1706 #ifdef CONFIG_WPS_NFC
1707 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1708         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1709 {
1710         int ndef;
1711         struct wpabuf *buf;
1712         int res;
1713         char *uuid;
1714
1715         uuid = os_strchr(cmd, ' ');
1716         if (uuid == NULL)
1717                 return -1;
1718         *uuid++ = '\0';
1719
1720         if (os_strcmp(cmd, "WPS") == 0)
1721                 ndef = 0;
1722         else if (os_strcmp(cmd, "NDEF") == 0)
1723                 ndef = 1;
1724         else
1725                 return -1;
1726
1727         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1728         if (buf == NULL)
1729                 return -1;
1730
1731         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1732                                          wpabuf_len(buf));
1733         reply[res++] = '\n';
1734         reply[res] = '\0';
1735
1736         wpabuf_free(buf);
1737
1738         return res;
1739 }
1740 #endif /* CONFIG_WPS_NFC */
1741 #endif /* CONFIG_WPS_ER */
1742
1743 #endif /* CONFIG_WPS */
1744
1745
1746 #ifdef CONFIG_IBSS_RSN
1747 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1748         struct wpa_supplicant *wpa_s, char *addr)
1749 {
1750         u8 peer[ETH_ALEN];
1751
1752         if (hwaddr_aton(addr, peer)) {
1753                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1754                            "address '%s'", addr);
1755                 return -1;
1756         }
1757
1758         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1759                    MAC2STR(peer));
1760
1761         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1762 }
1763 #endif /* CONFIG_IBSS_RSN */
1764
1765
1766 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1767                                               char *rsp)
1768 {
1769 #ifdef IEEE8021X_EAPOL
1770         char *pos, *id_pos;
1771         int id;
1772         struct wpa_ssid *ssid;
1773
1774         pos = os_strchr(rsp, '-');
1775         if (pos == NULL)
1776                 return -1;
1777         *pos++ = '\0';
1778         id_pos = pos;
1779         pos = os_strchr(pos, ':');
1780         if (pos == NULL)
1781                 return -1;
1782         *pos++ = '\0';
1783         id = atoi(id_pos);
1784         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1785         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1786                               (u8 *) pos, os_strlen(pos));
1787
1788         ssid = wpa_config_get_network(wpa_s->conf, id);
1789         if (ssid == NULL) {
1790                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1791                            "to update", id);
1792                 return -1;
1793         }
1794
1795         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1796                                                          pos);
1797 #else /* IEEE8021X_EAPOL */
1798         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1799         return -1;
1800 #endif /* IEEE8021X_EAPOL */
1801 }
1802
1803
1804 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1805                                             const char *params,
1806                                             char *buf, size_t buflen)
1807 {
1808         char *pos, *end, tmp[30];
1809         int res, verbose, wps, ret;
1810 #ifdef CONFIG_HS20
1811         const u8 *hs20;
1812 #endif /* CONFIG_HS20 */
1813         const u8 *sess_id;
1814         size_t sess_id_len;
1815
1816         if (os_strcmp(params, "-DRIVER") == 0)
1817                 return wpa_drv_status(wpa_s, buf, buflen);
1818         verbose = os_strcmp(params, "-VERBOSE") == 0;
1819         wps = os_strcmp(params, "-WPS") == 0;
1820         pos = buf;
1821         end = buf + buflen;
1822         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1823                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1824                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1825                                   MAC2STR(wpa_s->bssid));
1826                 if (os_snprintf_error(end - pos, ret))
1827                         return pos - buf;
1828                 pos += ret;
1829                 ret = os_snprintf(pos, end - pos, "freq=%u\n",
1830                                   wpa_s->assoc_freq);
1831                 if (os_snprintf_error(end - pos, ret))
1832                         return pos - buf;
1833                 pos += ret;
1834                 if (ssid) {
1835                         u8 *_ssid = ssid->ssid;
1836                         size_t ssid_len = ssid->ssid_len;
1837                         u8 ssid_buf[SSID_MAX_LEN];
1838                         if (ssid_len == 0) {
1839                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1840                                 if (_res < 0)
1841                                         ssid_len = 0;
1842                                 else
1843                                         ssid_len = _res;
1844                                 _ssid = ssid_buf;
1845                         }
1846                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1847                                           wpa_ssid_txt(_ssid, ssid_len),
1848                                           ssid->id);
1849                         if (os_snprintf_error(end - pos, ret))
1850                                 return pos - buf;
1851                         pos += ret;
1852
1853                         if (wps && ssid->passphrase &&
1854                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1855                             (ssid->mode == WPAS_MODE_AP ||
1856                              ssid->mode == WPAS_MODE_P2P_GO)) {
1857                                 ret = os_snprintf(pos, end - pos,
1858                                                   "passphrase=%s\n",
1859                                                   ssid->passphrase);
1860                                 if (os_snprintf_error(end - pos, ret))
1861                                         return pos - buf;
1862                                 pos += ret;
1863                         }
1864                         if (ssid->id_str) {
1865                                 ret = os_snprintf(pos, end - pos,
1866                                                   "id_str=%s\n",
1867                                                   ssid->id_str);
1868                                 if (os_snprintf_error(end - pos, ret))
1869                                         return pos - buf;
1870                                 pos += ret;
1871                         }
1872
1873                         switch (ssid->mode) {
1874                         case WPAS_MODE_INFRA:
1875                                 ret = os_snprintf(pos, end - pos,
1876                                                   "mode=station\n");
1877                                 break;
1878                         case WPAS_MODE_IBSS:
1879                                 ret = os_snprintf(pos, end - pos,
1880                                                   "mode=IBSS\n");
1881                                 break;
1882                         case WPAS_MODE_AP:
1883                                 ret = os_snprintf(pos, end - pos,
1884                                                   "mode=AP\n");
1885                                 break;
1886                         case WPAS_MODE_P2P_GO:
1887                                 ret = os_snprintf(pos, end - pos,
1888                                                   "mode=P2P GO\n");
1889                                 break;
1890                         case WPAS_MODE_P2P_GROUP_FORMATION:
1891                                 ret = os_snprintf(pos, end - pos,
1892                                                   "mode=P2P GO - group "
1893                                                   "formation\n");
1894                                 break;
1895                         case WPAS_MODE_MESH:
1896                                 ret = os_snprintf(pos, end - pos,
1897                                                   "mode=mesh\n");
1898                                 break;
1899                         default:
1900                                 ret = 0;
1901                                 break;
1902                         }
1903                         if (os_snprintf_error(end - pos, ret))
1904                                 return pos - buf;
1905                         pos += ret;
1906                 }
1907
1908 #ifdef CONFIG_AP
1909                 if (wpa_s->ap_iface) {
1910                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1911                                                             end - pos,
1912                                                             verbose);
1913                 } else
1914 #endif /* CONFIG_AP */
1915                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1916         }
1917 #ifdef CONFIG_SAE
1918         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1919 #ifdef CONFIG_AP
1920             !wpa_s->ap_iface &&
1921 #endif /* CONFIG_AP */
1922             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1923                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1924                                   wpa_s->sme.sae.group);
1925                 if (os_snprintf_error(end - pos, ret))
1926                         return pos - buf;
1927                 pos += ret;
1928         }
1929 #endif /* CONFIG_SAE */
1930         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1931                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1932         if (os_snprintf_error(end - pos, ret))
1933                 return pos - buf;
1934         pos += ret;
1935
1936         if (wpa_s->l2 &&
1937             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1938                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1939                 if (os_snprintf_error(end - pos, ret))
1940                         return pos - buf;
1941                 pos += ret;
1942         }
1943
1944 #ifdef CONFIG_P2P
1945         if (wpa_s->global->p2p) {
1946                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1947                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1948                 if (os_snprintf_error(end - pos, ret))
1949                         return pos - buf;
1950                 pos += ret;
1951         }
1952 #endif /* CONFIG_P2P */
1953
1954         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1955                           MAC2STR(wpa_s->own_addr));
1956         if (os_snprintf_error(end - pos, ret))
1957                 return pos - buf;
1958         pos += ret;
1959
1960 #ifdef CONFIG_HS20
1961         if (wpa_s->current_bss &&
1962             (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1963                                           HS20_IE_VENDOR_TYPE)) &&
1964             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1965             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1966                 int release = 1;
1967                 if (hs20[1] >= 5) {
1968                         u8 rel_num = (hs20[6] & 0xf0) >> 4;
1969                         release = rel_num + 1;
1970                 }
1971                 ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
1972                 if (os_snprintf_error(end - pos, ret))
1973                         return pos - buf;
1974                 pos += ret;
1975         }
1976
1977         if (wpa_s->current_ssid) {
1978                 struct wpa_cred *cred;
1979                 char *type;
1980
1981                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1982                         size_t i;
1983
1984                         if (wpa_s->current_ssid->parent_cred != cred)
1985                                 continue;
1986
1987                         if (cred->provisioning_sp) {
1988                                 ret = os_snprintf(pos, end - pos,
1989                                                   "provisioning_sp=%s\n",
1990                                                   cred->provisioning_sp);
1991                                 if (os_snprintf_error(end - pos, ret))
1992                                         return pos - buf;
1993                                 pos += ret;
1994                         }
1995
1996                         if (!cred->domain)
1997                                 goto no_domain;
1998
1999                         i = 0;
2000                         if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
2001                                 struct wpabuf *names =
2002                                         wpa_s->current_bss->anqp->domain_name;
2003                                 for (i = 0; names && i < cred->num_domain; i++)
2004                                 {
2005                                         if (domain_name_list_contains(
2006                                                     names, cred->domain[i], 1))
2007                                                 break;
2008                                 }
2009                                 if (i == cred->num_domain)
2010                                         i = 0; /* show first entry by default */
2011                         }
2012                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
2013                                           cred->domain[i]);
2014                         if (os_snprintf_error(end - pos, ret))
2015                                 return pos - buf;
2016                         pos += ret;
2017
2018                 no_domain:
2019                         if (wpa_s->current_bss == NULL ||
2020                             wpa_s->current_bss->anqp == NULL)
2021                                 res = -1;
2022                         else
2023                                 res = interworking_home_sp_cred(
2024                                         wpa_s, cred,
2025                                         wpa_s->current_bss->anqp->domain_name);
2026                         if (res > 0)
2027                                 type = "home";
2028                         else if (res == 0)
2029                                 type = "roaming";
2030                         else
2031                                 type = "unknown";
2032
2033                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
2034                         if (os_snprintf_error(end - pos, ret))
2035                                 return pos - buf;
2036                         pos += ret;
2037
2038                         break;
2039                 }
2040         }
2041 #endif /* CONFIG_HS20 */
2042
2043         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
2044             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
2045                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
2046                                           verbose);
2047                 if (res >= 0)
2048                         pos += res;
2049         }
2050
2051         sess_id = eapol_sm_get_session_id(wpa_s->eapol, &sess_id_len);
2052         if (sess_id) {
2053                 char *start = pos;
2054
2055                 ret = os_snprintf(pos, end - pos, "eap_session_id=");
2056                 if (os_snprintf_error(end - pos, ret))
2057                         return start - buf;
2058                 pos += ret;
2059                 ret = wpa_snprintf_hex(pos, end - pos, sess_id, sess_id_len);
2060                 if (ret <= 0)
2061                         return start - buf;
2062                 pos += ret;
2063                 ret = os_snprintf(pos, end - pos, "\n");
2064                 if (os_snprintf_error(end - pos, ret))
2065                         return start - buf;
2066                 pos += ret;
2067         }
2068
2069         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
2070         if (res >= 0)
2071                 pos += res;
2072
2073 #ifdef CONFIG_WPS
2074         {
2075                 char uuid_str[100];
2076                 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
2077                 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
2078                 if (os_snprintf_error(end - pos, ret))
2079                         return pos - buf;
2080                 pos += ret;
2081         }
2082 #endif /* CONFIG_WPS */
2083
2084 #ifdef ANDROID
2085         /*
2086          * Allow using the STATUS command with default behavior, say for debug,
2087          * i.e., don't generate a "fake" CONNECTION and SUPPLICANT_STATE_CHANGE
2088          * events with STATUS-NO_EVENTS.
2089          */
2090         if (os_strcmp(params, "-NO_EVENTS")) {
2091                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
2092                              "id=%d state=%d BSSID=" MACSTR " SSID=%s",
2093                              wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
2094                              wpa_s->wpa_state,
2095                              MAC2STR(wpa_s->bssid),
2096                              wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
2097                              wpa_ssid_txt(wpa_s->current_ssid->ssid,
2098                                           wpa_s->current_ssid->ssid_len) : "");
2099                 if (wpa_s->wpa_state == WPA_COMPLETED) {
2100                         struct wpa_ssid *ssid = wpa_s->current_ssid;
2101                         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
2102                                      "- connection to " MACSTR
2103                                      " completed %s [id=%d id_str=%s]",
2104                                      MAC2STR(wpa_s->bssid), "(auth)",
2105                                      ssid ? ssid->id : -1,
2106                                      ssid && ssid->id_str ? ssid->id_str : "");
2107                 }
2108         }
2109 #endif /* ANDROID */
2110
2111         return pos - buf;
2112 }
2113
2114
2115 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
2116                                            char *cmd)
2117 {
2118         char *pos;
2119         int id;
2120         struct wpa_ssid *ssid;
2121         u8 bssid[ETH_ALEN];
2122
2123         /* cmd: "<network id> <BSSID>" */
2124         pos = os_strchr(cmd, ' ');
2125         if (pos == NULL)
2126                 return -1;
2127         *pos++ = '\0';
2128         id = atoi(cmd);
2129         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
2130         if (hwaddr_aton(pos, bssid)) {
2131                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
2132                 return -1;
2133         }
2134
2135         ssid = wpa_config_get_network(wpa_s->conf, id);
2136         if (ssid == NULL) {
2137                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
2138                            "to update", id);
2139                 return -1;
2140         }
2141
2142         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
2143         ssid->bssid_set = !is_zero_ether_addr(bssid);
2144
2145         return 0;
2146 }
2147
2148
2149 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
2150                                                char *cmd, char *buf,
2151                                                size_t buflen)
2152 {
2153         u8 bssid[ETH_ALEN];
2154         struct wpa_blacklist *e;
2155         char *pos, *end;
2156         int ret;
2157
2158         /* cmd: "BLACKLIST [<BSSID>]" */
2159         if (*cmd == '\0') {
2160                 pos = buf;
2161                 end = buf + buflen;
2162                 e = wpa_s->blacklist;
2163                 while (e) {
2164                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
2165                                           MAC2STR(e->bssid));
2166                         if (os_snprintf_error(end - pos, ret))
2167                                 return pos - buf;
2168                         pos += ret;
2169                         e = e->next;
2170                 }
2171                 return pos - buf;
2172         }
2173
2174         cmd++;
2175         if (os_strncmp(cmd, "clear", 5) == 0) {
2176                 wpa_blacklist_clear(wpa_s);
2177                 os_memcpy(buf, "OK\n", 3);
2178                 return 3;
2179         }
2180
2181         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
2182         if (hwaddr_aton(cmd, bssid)) {
2183                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
2184                 return -1;
2185         }
2186
2187         /*
2188          * Add the BSSID twice, so its count will be 2, causing it to be
2189          * skipped when processing scan results.
2190          */
2191         ret = wpa_blacklist_add(wpa_s, bssid);
2192         if (ret < 0)
2193                 return -1;
2194         ret = wpa_blacklist_add(wpa_s, bssid);
2195         if (ret < 0)
2196                 return -1;
2197         os_memcpy(buf, "OK\n", 3);
2198         return 3;
2199 }
2200
2201
2202 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
2203                                                char *cmd, char *buf,
2204                                                size_t buflen)
2205 {
2206         char *pos, *end, *stamp;
2207         int ret;
2208
2209         /* cmd: "LOG_LEVEL [<level>]" */
2210         if (*cmd == '\0') {
2211                 pos = buf;
2212                 end = buf + buflen;
2213                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
2214                                   "Timestamp: %d\n",
2215                                   debug_level_str(wpa_debug_level),
2216                                   wpa_debug_timestamp);
2217                 if (os_snprintf_error(end - pos, ret))
2218                         ret = 0;
2219
2220                 return ret;
2221         }
2222
2223         while (*cmd == ' ')
2224                 cmd++;
2225
2226         stamp = os_strchr(cmd, ' ');
2227         if (stamp) {
2228                 *stamp++ = '\0';
2229                 while (*stamp == ' ') {
2230                         stamp++;
2231                 }
2232         }
2233
2234         if (os_strlen(cmd)) {
2235                 int level = str_to_debug_level(cmd);
2236                 if (level < 0)
2237                         return -1;
2238                 wpa_debug_level = level;
2239         }
2240
2241         if (stamp && os_strlen(stamp))
2242                 wpa_debug_timestamp = atoi(stamp);
2243
2244         os_memcpy(buf, "OK\n", 3);
2245         return 3;
2246 }
2247
2248
2249 static int wpa_supplicant_ctrl_iface_list_networks(
2250         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2251 {
2252         char *pos, *end, *prev;
2253         struct wpa_ssid *ssid;
2254         int ret;
2255
2256         pos = buf;
2257         end = buf + buflen;
2258         ret = os_snprintf(pos, end - pos,
2259                           "network id / ssid / bssid / flags\n");
2260         if (os_snprintf_error(end - pos, ret))
2261                 return pos - buf;
2262         pos += ret;
2263
2264         ssid = wpa_s->conf->ssid;
2265
2266         /* skip over ssids until we find next one */
2267         if (cmd != NULL && os_strncmp(cmd, "LAST_ID=", 8) == 0) {
2268                 int last_id = atoi(cmd + 8);
2269                 if (last_id != -1) {
2270                         while (ssid != NULL && ssid->id <= last_id) {
2271                                 ssid = ssid->next;
2272                         }
2273                 }
2274         }
2275
2276         while (ssid) {
2277                 prev = pos;
2278                 ret = os_snprintf(pos, end - pos, "%d\t%s",
2279                                   ssid->id,
2280                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2281                 if (os_snprintf_error(end - pos, ret))
2282                         return prev - buf;
2283                 pos += ret;
2284                 if (ssid->bssid_set) {
2285                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2286                                           MAC2STR(ssid->bssid));
2287                 } else {
2288                         ret = os_snprintf(pos, end - pos, "\tany");
2289                 }
2290                 if (os_snprintf_error(end - pos, ret))
2291                         return prev - buf;
2292                 pos += ret;
2293                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2294                                   ssid == wpa_s->current_ssid ?
2295                                   "[CURRENT]" : "",
2296                                   ssid->disabled ? "[DISABLED]" : "",
2297                                   ssid->disabled_until.sec ?
2298                                   "[TEMP-DISABLED]" : "",
2299                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2300                                   "");
2301                 if (os_snprintf_error(end - pos, ret))
2302                         return prev - buf;
2303                 pos += ret;
2304                 ret = os_snprintf(pos, end - pos, "\n");
2305                 if (os_snprintf_error(end - pos, ret))
2306                         return prev - buf;
2307                 pos += ret;
2308
2309                 ssid = ssid->next;
2310         }
2311
2312         return pos - buf;
2313 }
2314
2315
2316 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2317 {
2318         int ret;
2319         ret = os_snprintf(pos, end - pos, "-");
2320         if (os_snprintf_error(end - pos, ret))
2321                 return pos;
2322         pos += ret;
2323         ret = wpa_write_ciphers(pos, end, cipher, "+");
2324         if (ret < 0)
2325                 return pos;
2326         pos += ret;
2327         return pos;
2328 }
2329
2330
2331 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2332                                     const u8 *ie, size_t ie_len)
2333 {
2334         struct wpa_ie_data data;
2335         char *start;
2336         int ret;
2337
2338         ret = os_snprintf(pos, end - pos, "[%s-", proto);
2339         if (os_snprintf_error(end - pos, ret))
2340                 return pos;
2341         pos += ret;
2342
2343         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2344                 ret = os_snprintf(pos, end - pos, "?]");
2345                 if (os_snprintf_error(end - pos, ret))
2346                         return pos;
2347                 pos += ret;
2348                 return pos;
2349         }
2350
2351         start = pos;
2352         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2353                 ret = os_snprintf(pos, end - pos, "%sEAP",
2354                                   pos == start ? "" : "+");
2355                 if (os_snprintf_error(end - pos, ret))
2356                         return pos;
2357                 pos += ret;
2358         }
2359         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2360                 ret = os_snprintf(pos, end - pos, "%sPSK",
2361                                   pos == start ? "" : "+");
2362                 if (os_snprintf_error(end - pos, ret))
2363                         return pos;
2364                 pos += ret;
2365         }
2366         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2367                 ret = os_snprintf(pos, end - pos, "%sNone",
2368                                   pos == start ? "" : "+");
2369                 if (os_snprintf_error(end - pos, ret))
2370                         return pos;
2371                 pos += ret;
2372         }
2373         if (data.key_mgmt & WPA_KEY_MGMT_SAE) {
2374                 ret = os_snprintf(pos, end - pos, "%sSAE",
2375                                   pos == start ? "" : "+");
2376                 if (os_snprintf_error(end - pos, ret))
2377                         return pos;
2378                 pos += ret;
2379         }
2380 #ifdef CONFIG_IEEE80211R
2381         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2382                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2383                                   pos == start ? "" : "+");
2384                 if (os_snprintf_error(end - pos, ret))
2385                         return pos;
2386                 pos += ret;
2387         }
2388         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2389                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2390                                   pos == start ? "" : "+");
2391                 if (os_snprintf_error(end - pos, ret))
2392                         return pos;
2393                 pos += ret;
2394         }
2395         if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) {
2396                 ret = os_snprintf(pos, end - pos, "%sFT/SAE",
2397                                   pos == start ? "" : "+");
2398                 if (os_snprintf_error(end - pos, ret))
2399                         return pos;
2400                 pos += ret;
2401         }
2402 #endif /* CONFIG_IEEE80211R */
2403 #ifdef CONFIG_IEEE80211W
2404         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2405                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2406                                   pos == start ? "" : "+");
2407                 if (os_snprintf_error(end - pos, ret))
2408                         return pos;
2409                 pos += ret;
2410         }
2411         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2412                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2413                                   pos == start ? "" : "+");
2414                 if (os_snprintf_error(end - pos, ret))
2415                         return pos;
2416                 pos += ret;
2417         }
2418 #endif /* CONFIG_IEEE80211W */
2419
2420 #ifdef CONFIG_SUITEB
2421         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
2422                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B",
2423                                   pos == start ? "" : "+");
2424                 if (os_snprintf_error(end - pos, ret))
2425                         return pos;
2426                 pos += ret;
2427         }
2428 #endif /* CONFIG_SUITEB */
2429
2430 #ifdef CONFIG_SUITEB192
2431         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
2432                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B-192",
2433                                   pos == start ? "" : "+");
2434                 if (os_snprintf_error(end - pos, ret))
2435                         return pos;
2436                 pos += ret;
2437         }
2438 #endif /* CONFIG_SUITEB192 */
2439
2440         if (data.key_mgmt & WPA_KEY_MGMT_OSEN) {
2441                 ret = os_snprintf(pos, end - pos, "%sOSEN",
2442                                   pos == start ? "" : "+");
2443                 if (os_snprintf_error(end - pos, ret))
2444                         return pos;
2445                 pos += ret;
2446         }
2447
2448         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2449
2450         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2451                 ret = os_snprintf(pos, end - pos, "-preauth");
2452                 if (os_snprintf_error(end - pos, ret))
2453                         return pos;
2454                 pos += ret;
2455         }
2456
2457         ret = os_snprintf(pos, end - pos, "]");
2458         if (os_snprintf_error(end - pos, ret))
2459                 return pos;
2460         pos += ret;
2461
2462         return pos;
2463 }
2464
2465
2466 #ifdef CONFIG_WPS
2467 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2468                                             char *pos, char *end,
2469                                             struct wpabuf *wps_ie)
2470 {
2471         int ret;
2472         const char *txt;
2473
2474         if (wps_ie == NULL)
2475                 return pos;
2476         if (wps_is_selected_pbc_registrar(wps_ie))
2477                 txt = "[WPS-PBC]";
2478         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2479                 txt = "[WPS-AUTH]";
2480         else if (wps_is_selected_pin_registrar(wps_ie))
2481                 txt = "[WPS-PIN]";
2482         else
2483                 txt = "[WPS]";
2484
2485         ret = os_snprintf(pos, end - pos, "%s", txt);
2486         if (!os_snprintf_error(end - pos, ret))
2487                 pos += ret;
2488         wpabuf_free(wps_ie);
2489         return pos;
2490 }
2491 #endif /* CONFIG_WPS */
2492
2493
2494 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2495                                         char *pos, char *end,
2496                                         const struct wpa_bss *bss)
2497 {
2498 #ifdef CONFIG_WPS
2499         struct wpabuf *wps_ie;
2500         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2501         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2502 #else /* CONFIG_WPS */
2503         return pos;
2504 #endif /* CONFIG_WPS */
2505 }
2506
2507
2508 /* Format one result on one text line into a buffer. */
2509 static int wpa_supplicant_ctrl_iface_scan_result(
2510         struct wpa_supplicant *wpa_s,
2511         const struct wpa_bss *bss, char *buf, size_t buflen)
2512 {
2513         char *pos, *end;
2514         int ret;
2515         const u8 *ie, *ie2, *osen_ie, *p2p, *mesh;
2516
2517         mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
2518         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2519         if (!p2p)
2520                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2521         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2522             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2523             0)
2524                 return 0; /* Do not show P2P listen discovery results here */
2525
2526         pos = buf;
2527         end = buf + buflen;
2528
2529         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2530                           MAC2STR(bss->bssid), bss->freq, bss->level);
2531         if (os_snprintf_error(end - pos, ret))
2532                 return -1;
2533         pos += ret;
2534         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2535         if (ie)
2536                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2537         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2538         if (ie2) {
2539                 pos = wpa_supplicant_ie_txt(pos, end, mesh ? "RSN" : "WPA2",
2540                                             ie2, 2 + ie2[1]);
2541         }
2542         osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
2543         if (osen_ie)
2544                 pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
2545                                             osen_ie, 2 + osen_ie[1]);
2546         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2547         if (!ie && !ie2 && !osen_ie && (bss->caps & IEEE80211_CAP_PRIVACY)) {
2548                 ret = os_snprintf(pos, end - pos, "[WEP]");
2549                 if (os_snprintf_error(end - pos, ret))
2550                         return -1;
2551                 pos += ret;
2552         }
2553         if (mesh) {
2554                 ret = os_snprintf(pos, end - pos, "[MESH]");
2555                 if (os_snprintf_error(end - pos, ret))
2556                         return -1;
2557                 pos += ret;
2558         }
2559         if (bss_is_dmg(bss)) {
2560                 const char *s;
2561                 ret = os_snprintf(pos, end - pos, "[DMG]");
2562                 if (os_snprintf_error(end - pos, ret))
2563                         return -1;
2564                 pos += ret;
2565                 switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
2566                 case IEEE80211_CAP_DMG_IBSS:
2567                         s = "[IBSS]";
2568                         break;
2569                 case IEEE80211_CAP_DMG_AP:
2570                         s = "[ESS]";
2571                         break;
2572                 case IEEE80211_CAP_DMG_PBSS:
2573                         s = "[PBSS]";
2574                         break;
2575                 default:
2576                         s = "";
2577                         break;
2578                 }
2579                 ret = os_snprintf(pos, end - pos, "%s", s);
2580                 if (os_snprintf_error(end - pos, ret))
2581                         return -1;
2582                 pos += ret;
2583         } else {
2584                 if (bss->caps & IEEE80211_CAP_IBSS) {
2585                         ret = os_snprintf(pos, end - pos, "[IBSS]");
2586                         if (os_snprintf_error(end - pos, ret))
2587                                 return -1;
2588                         pos += ret;
2589                 }
2590                 if (bss->caps & IEEE80211_CAP_ESS) {
2591                         ret = os_snprintf(pos, end - pos, "[ESS]");
2592                         if (os_snprintf_error(end - pos, ret))
2593                                 return -1;
2594                         pos += ret;
2595                 }
2596         }
2597         if (p2p) {
2598                 ret = os_snprintf(pos, end - pos, "[P2P]");
2599                 if (os_snprintf_error(end - pos, ret))
2600                         return -1;
2601                 pos += ret;
2602         }
2603 #ifdef CONFIG_HS20
2604         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2605                 ret = os_snprintf(pos, end - pos, "[HS20]");
2606                 if (os_snprintf_error(end - pos, ret))
2607                         return -1;
2608                 pos += ret;
2609         }
2610 #endif /* CONFIG_HS20 */
2611 #ifdef CONFIG_FST
2612         if (wpa_bss_get_ie(bss, WLAN_EID_MULTI_BAND)) {
2613                 ret = os_snprintf(pos, end - pos, "[FST]");
2614                 if (os_snprintf_error(end - pos, ret))
2615                         return -1;
2616                 pos += ret;
2617         }
2618 #endif /* CONFIG_FST */
2619
2620         ret = os_snprintf(pos, end - pos, "\t%s",
2621                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2622         if (os_snprintf_error(end - pos, ret))
2623                 return -1;
2624         pos += ret;
2625
2626         ret = os_snprintf(pos, end - pos, "\n");
2627         if (os_snprintf_error(end - pos, ret))
2628                 return -1;
2629         pos += ret;
2630
2631         return pos - buf;
2632 }
2633
2634
2635 static int wpa_supplicant_ctrl_iface_scan_results(
2636         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2637 {
2638         char *pos, *end;
2639         struct wpa_bss *bss;
2640         int ret;
2641
2642         pos = buf;
2643         end = buf + buflen;
2644         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2645                           "flags / ssid\n");
2646         if (os_snprintf_error(end - pos, ret))
2647                 return pos - buf;
2648         pos += ret;
2649
2650         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2651                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2652                                                             end - pos);
2653                 if (ret < 0 || ret >= end - pos)
2654                         return pos - buf;
2655                 pos += ret;
2656         }
2657
2658         return pos - buf;
2659 }
2660
2661
2662 #ifdef CONFIG_MESH
2663
2664 static int wpa_supplicant_ctrl_iface_mesh_interface_add(
2665         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
2666 {
2667         char *pos, ifname[IFNAMSIZ + 1];
2668
2669         ifname[0] = '\0';
2670
2671         pos = os_strstr(cmd, "ifname=");
2672         if (pos) {
2673                 pos += 7;
2674                 os_strlcpy(ifname, pos, sizeof(ifname));
2675         }
2676
2677         if (wpas_mesh_add_interface(wpa_s, ifname, sizeof(ifname)) < 0)
2678                 return -1;
2679
2680         os_strlcpy(reply, ifname, max_len);
2681         return os_strlen(ifname);
2682 }
2683
2684
2685 static int wpa_supplicant_ctrl_iface_mesh_group_add(
2686         struct wpa_supplicant *wpa_s, char *cmd)
2687 {
2688         int id;
2689         struct wpa_ssid *ssid;
2690
2691         id = atoi(cmd);
2692         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_ADD id=%d", id);
2693
2694         ssid = wpa_config_get_network(wpa_s->conf, id);
2695         if (ssid == NULL) {
2696                 wpa_printf(MSG_DEBUG,
2697                            "CTRL_IFACE: Could not find network id=%d", id);
2698                 return -1;
2699         }
2700         if (ssid->mode != WPAS_MODE_MESH) {
2701                 wpa_printf(MSG_DEBUG,
2702                            "CTRL_IFACE: Cannot use MESH_GROUP_ADD on a non mesh network");
2703                 return -1;
2704         }
2705         if (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
2706             ssid->key_mgmt != WPA_KEY_MGMT_SAE) {
2707                 wpa_printf(MSG_ERROR,
2708                            "CTRL_IFACE: key_mgmt for mesh network should be open or SAE");
2709                 return -1;
2710         }
2711
2712         /*
2713          * TODO: If necessary write our own group_add function,
2714          * for now we can reuse select_network
2715          */
2716         wpa_supplicant_select_network(wpa_s, ssid);
2717
2718         return 0;
2719 }
2720
2721
2722 static int wpa_supplicant_ctrl_iface_mesh_group_remove(
2723         struct wpa_supplicant *wpa_s, char *cmd)
2724 {
2725         struct wpa_supplicant *orig;
2726         struct wpa_global *global;
2727         int found = 0;
2728
2729         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s", cmd);
2730
2731         global = wpa_s->global;
2732         orig = wpa_s;
2733
2734         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2735                 if (os_strcmp(wpa_s->ifname, cmd) == 0) {
2736                         found = 1;
2737                         break;
2738                 }
2739         }
2740         if (!found) {
2741                 wpa_printf(MSG_ERROR,
2742                            "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s not found",
2743                            cmd);
2744                 return -1;
2745         }
2746         if (wpa_s->mesh_if_created && wpa_s == orig) {
2747                 wpa_printf(MSG_ERROR,
2748                            "CTRL_IFACE: MESH_GROUP_REMOVE can't remove itself");
2749                 return -1;
2750         }
2751
2752         wpa_s->reassociate = 0;
2753         wpa_s->disconnected = 1;
2754         wpa_supplicant_cancel_sched_scan(wpa_s);
2755         wpa_supplicant_cancel_scan(wpa_s);
2756
2757         /*
2758          * TODO: If necessary write our own group_remove function,
2759          * for now we can reuse deauthenticate
2760          */
2761         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2762
2763         if (wpa_s->mesh_if_created)
2764                 wpa_supplicant_remove_iface(global, wpa_s, 0);
2765
2766         return 0;
2767 }
2768
2769
2770 static int wpa_supplicant_ctrl_iface_mesh_peer_remove(
2771         struct wpa_supplicant *wpa_s, char *cmd)
2772 {
2773         u8 addr[ETH_ALEN];
2774
2775         if (hwaddr_aton(cmd, addr) < 0)
2776                 return -1;
2777
2778         return wpas_mesh_peer_remove(wpa_s, addr);
2779 }
2780
2781
2782 static int wpa_supplicant_ctrl_iface_mesh_peer_add(
2783         struct wpa_supplicant *wpa_s, char *cmd)
2784 {
2785         u8 addr[ETH_ALEN];
2786         int duration;
2787         char *pos;
2788
2789         pos = os_strstr(cmd, " duration=");
2790         if (pos) {
2791                 *pos = '\0';
2792                 duration = atoi(pos + 10);
2793         } else {
2794                 duration = -1;
2795         }
2796
2797         if (hwaddr_aton(cmd, addr))
2798                 return -1;
2799
2800         return wpas_mesh_peer_add(wpa_s, addr, duration);
2801 }
2802
2803 #endif /* CONFIG_MESH */
2804
2805
2806 static int wpa_supplicant_ctrl_iface_select_network(
2807         struct wpa_supplicant *wpa_s, char *cmd)
2808 {
2809         int id;
2810         struct wpa_ssid *ssid;
2811         char *pos;
2812
2813         /* cmd: "<network id>" or "any" */
2814         if (os_strncmp(cmd, "any", 3) == 0) {
2815                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2816                 ssid = NULL;
2817         } else {
2818                 id = atoi(cmd);
2819                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2820
2821                 ssid = wpa_config_get_network(wpa_s->conf, id);
2822                 if (ssid == NULL) {
2823                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2824                                    "network id=%d", id);
2825                         return -1;
2826                 }
2827                 if (ssid->disabled == 2) {
2828                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2829                                    "SELECT_NETWORK with persistent P2P group");
2830                         return -1;
2831                 }
2832         }
2833
2834         pos = os_strstr(cmd, " freq=");
2835         if (pos) {
2836                 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2837                 if (freqs) {
2838                         wpa_s->scan_req = MANUAL_SCAN_REQ;
2839                         os_free(wpa_s->manual_scan_freqs);
2840                         wpa_s->manual_scan_freqs = freqs;
2841                 }
2842         }
2843
2844         wpa_s->scan_min_time.sec = 0;
2845         wpa_s->scan_min_time.usec = 0;
2846         wpa_supplicant_select_network(wpa_s, ssid);
2847
2848         return 0;
2849 }
2850
2851
2852 static int wpa_supplicant_ctrl_iface_enable_network(
2853         struct wpa_supplicant *wpa_s, char *cmd)
2854 {
2855         int id;
2856         struct wpa_ssid *ssid;
2857
2858         /* cmd: "<network id>" or "all" */
2859         if (os_strcmp(cmd, "all") == 0) {
2860                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2861                 ssid = NULL;
2862         } else {
2863                 id = atoi(cmd);
2864                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2865
2866                 ssid = wpa_config_get_network(wpa_s->conf, id);
2867                 if (ssid == NULL) {
2868                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2869                                    "network id=%d", id);
2870                         return -1;
2871                 }
2872                 if (ssid->disabled == 2) {
2873                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2874                                    "ENABLE_NETWORK with persistent P2P group");
2875                         return -1;
2876                 }
2877
2878                 if (os_strstr(cmd, " no-connect")) {
2879                         ssid->disabled = 0;
2880                         return 0;
2881                 }
2882         }
2883         wpa_s->scan_min_time.sec = 0;
2884         wpa_s->scan_min_time.usec = 0;
2885         wpa_supplicant_enable_network(wpa_s, ssid);
2886
2887         return 0;
2888 }
2889
2890
2891 static int wpa_supplicant_ctrl_iface_disable_network(
2892         struct wpa_supplicant *wpa_s, char *cmd)
2893 {
2894         int id;
2895         struct wpa_ssid *ssid;
2896
2897         /* cmd: "<network id>" or "all" */
2898         if (os_strcmp(cmd, "all") == 0) {
2899                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2900                 ssid = NULL;
2901         } else {
2902                 id = atoi(cmd);
2903                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2904
2905                 ssid = wpa_config_get_network(wpa_s->conf, id);
2906                 if (ssid == NULL) {
2907                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2908                                    "network id=%d", id);
2909                         return -1;
2910                 }
2911                 if (ssid->disabled == 2) {
2912                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2913                                    "DISABLE_NETWORK with persistent P2P "
2914                                    "group");
2915                         return -1;
2916                 }
2917         }
2918         wpa_supplicant_disable_network(wpa_s, ssid);
2919
2920         return 0;
2921 }
2922
2923
2924 static int wpa_supplicant_ctrl_iface_add_network(
2925         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2926 {
2927         struct wpa_ssid *ssid;
2928         int ret;
2929
2930         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2931
2932         ssid = wpa_supplicant_add_network(wpa_s);
2933         if (ssid == NULL)
2934                 return -1;
2935
2936         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2937         if (os_snprintf_error(buflen, ret))
2938                 return -1;
2939         return ret;
2940 }
2941
2942
2943 static int wpa_supplicant_ctrl_iface_remove_network(
2944         struct wpa_supplicant *wpa_s, char *cmd)
2945 {
2946         int id;
2947         struct wpa_ssid *ssid;
2948         int result;
2949
2950         /* cmd: "<network id>" or "all" */
2951         if (os_strcmp(cmd, "all") == 0) {
2952                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2953                 if (wpa_s->sched_scanning)
2954                         wpa_supplicant_cancel_sched_scan(wpa_s);
2955
2956                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2957                 if (wpa_s->current_ssid) {
2958 #ifdef CONFIG_SME
2959                         wpa_s->sme.prev_bssid_set = 0;
2960 #endif /* CONFIG_SME */
2961                         wpa_sm_set_config(wpa_s->wpa, NULL);
2962                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2963                         if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2964                                 wpa_s->own_disconnect_req = 1;
2965                         wpa_supplicant_deauthenticate(
2966                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2967                 }
2968                 ssid = wpa_s->conf->ssid;
2969                 while (ssid) {
2970                         struct wpa_ssid *remove_ssid = ssid;
2971                         id = ssid->id;
2972                         ssid = ssid->next;
2973                         if (wpa_s->last_ssid == remove_ssid)
2974                                 wpa_s->last_ssid = NULL;
2975                         wpas_notify_network_removed(wpa_s, remove_ssid);
2976                         wpa_config_remove_network(wpa_s->conf, id);
2977                 }
2978                 return 0;
2979         }
2980
2981         id = atoi(cmd);
2982         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2983
2984         result = wpa_supplicant_remove_network(wpa_s, id);
2985         if (result == -1) {
2986                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2987                            "id=%d", id);
2988                 return -1;
2989         }
2990         if (result == -2) {
2991                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2992                            "network id=%d", id);
2993                 return -1;
2994         }
2995         return 0;
2996 }
2997
2998
2999 static int wpa_supplicant_ctrl_iface_update_network(
3000         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
3001         char *name, char *value)
3002 {
3003         int ret;
3004
3005         ret = wpa_config_set(ssid, name, value, 0);
3006         if (ret < 0) {
3007                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
3008                            "variable '%s'", name);
3009                 return -1;
3010         }
3011         if (ret == 1)
3012                 return 0; /* No change to the previously configured value */
3013
3014         if (os_strcmp(name, "bssid") != 0 &&
3015             os_strcmp(name, "priority") != 0) {
3016                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
3017
3018                 if (wpa_s->current_ssid == ssid ||
3019                     wpa_s->current_ssid == NULL) {
3020                         /*
3021                          * Invalidate the EAP session cache if anything in the
3022                          * current or previously used configuration changes.
3023                          */
3024                         eapol_sm_invalidate_cached_session(wpa_s->eapol);
3025                 }
3026         }
3027
3028         if ((os_strcmp(name, "psk") == 0 &&
3029              value[0] == '"' && ssid->ssid_len) ||
3030             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
3031                 wpa_config_update_psk(ssid);
3032         else if (os_strcmp(name, "priority") == 0)
3033                 wpa_config_update_prio_list(wpa_s->conf);
3034
3035         return 0;
3036 }
3037
3038
3039 static int wpa_supplicant_ctrl_iface_set_network(
3040         struct wpa_supplicant *wpa_s, char *cmd)
3041 {
3042         int id, ret, prev_bssid_set, prev_disabled;
3043         struct wpa_ssid *ssid;
3044         char *name, *value;
3045         u8 prev_bssid[ETH_ALEN];
3046
3047         /* cmd: "<network id> <variable name> <value>" */
3048         name = os_strchr(cmd, ' ');
3049         if (name == NULL)
3050                 return -1;
3051         *name++ = '\0';
3052
3053         value = os_strchr(name, ' ');
3054         if (value == NULL)
3055                 return -1;
3056         *value++ = '\0';
3057
3058         id = atoi(cmd);
3059         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
3060                    id, name);
3061         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3062                               (u8 *) value, os_strlen(value));
3063
3064         ssid = wpa_config_get_network(wpa_s->conf, id);
3065         if (ssid == NULL) {
3066                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3067                            "id=%d", id);
3068                 return -1;
3069         }
3070
3071         prev_bssid_set = ssid->bssid_set;
3072         prev_disabled = ssid->disabled;
3073         os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
3074         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
3075                                                        value);
3076         if (ret == 0 &&
3077             (ssid->bssid_set != prev_bssid_set ||
3078              os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
3079                 wpas_notify_network_bssid_set_changed(wpa_s, ssid);
3080
3081         if (prev_disabled != ssid->disabled &&
3082             (prev_disabled == 2 || ssid->disabled == 2))
3083                 wpas_notify_network_type_changed(wpa_s, ssid);
3084
3085         return ret;
3086 }
3087
3088
3089 static int wpa_supplicant_ctrl_iface_get_network(
3090         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
3091 {
3092         int id;
3093         size_t res;
3094         struct wpa_ssid *ssid;
3095         char *name, *value;
3096
3097         /* cmd: "<network id> <variable name>" */
3098         name = os_strchr(cmd, ' ');
3099         if (name == NULL || buflen == 0)
3100                 return -1;
3101         *name++ = '\0';
3102
3103         id = atoi(cmd);
3104         wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
3105                    id, name);
3106
3107         ssid = wpa_config_get_network(wpa_s->conf, id);
3108         if (ssid == NULL) {
3109                 wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: Could not find network "
3110                            "id=%d", id);
3111                 return -1;
3112         }
3113
3114         value = wpa_config_get_no_key(ssid, name);
3115         if (value == NULL) {
3116                 wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: Failed to get network "
3117                            "variable '%s'", name);
3118                 return -1;
3119         }
3120
3121         res = os_strlcpy(buf, value, buflen);
3122         if (res >= buflen) {
3123                 os_free(value);
3124                 return -1;
3125         }
3126
3127         os_free(value);
3128
3129         return res;
3130 }
3131
3132
3133 static int wpa_supplicant_ctrl_iface_dup_network(
3134         struct wpa_supplicant *wpa_s, char *cmd,
3135         struct wpa_supplicant *dst_wpa_s)
3136 {
3137         struct wpa_ssid *ssid_s, *ssid_d;
3138         char *name, *id, *value;
3139         int id_s, id_d, ret;
3140
3141         /* cmd: "<src network id> <dst network id> <variable name>" */
3142         id = os_strchr(cmd, ' ');
3143         if (id == NULL)
3144                 return -1;
3145         *id++ = '\0';
3146
3147         name = os_strchr(id, ' ');
3148         if (name == NULL)
3149                 return -1;
3150         *name++ = '\0';
3151
3152         id_s = atoi(cmd);
3153         id_d = atoi(id);
3154
3155         wpa_printf(MSG_DEBUG,
3156                    "CTRL_IFACE: DUP_NETWORK ifname=%s->%s id=%d->%d name='%s'",
3157                    wpa_s->ifname, dst_wpa_s->ifname, id_s, id_d, name);
3158
3159         ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
3160         if (ssid_s == NULL) {
3161                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3162                            "network id=%d", id_s);
3163                 return -1;
3164         }
3165
3166         ssid_d = wpa_config_get_network(dst_wpa_s->conf, id_d);
3167         if (ssid_d == NULL) {
3168                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3169                            "network id=%d", id_d);
3170                 return -1;
3171         }
3172
3173         value = wpa_config_get(ssid_s, name);
3174         if (value == NULL) {
3175                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3176                            "variable '%s'", name);
3177                 return -1;
3178         }
3179
3180         ret = wpa_supplicant_ctrl_iface_update_network(dst_wpa_s, ssid_d, name,
3181                                                        value);
3182
3183         os_free(value);
3184
3185         return ret;
3186 }
3187
3188
3189 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
3190                                                 char *buf, size_t buflen)
3191 {
3192         char *pos, *end;
3193         struct wpa_cred *cred;
3194         int ret;
3195
3196         pos = buf;
3197         end = buf + buflen;
3198         ret = os_snprintf(pos, end - pos,
3199                           "cred id / realm / username / domain / imsi\n");
3200         if (os_snprintf_error(end - pos, ret))
3201                 return pos - buf;
3202         pos += ret;
3203
3204         cred = wpa_s->conf->cred;
3205         while (cred) {
3206                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
3207                                   cred->id, cred->realm ? cred->realm : "",
3208                                   cred->username ? cred->username : "",
3209                                   cred->domain ? cred->domain[0] : "",
3210                                   cred->imsi ? cred->imsi : "");
3211                 if (os_snprintf_error(end - pos, ret))
3212                         return pos - buf;
3213                 pos += ret;
3214
3215                 cred = cred->next;
3216         }
3217
3218         return pos - buf;
3219 }
3220
3221
3222 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
3223                                               char *buf, size_t buflen)
3224 {
3225         struct wpa_cred *cred;
3226         int ret;
3227
3228         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
3229
3230         cred = wpa_config_add_cred(wpa_s->conf);
3231         if (cred == NULL)
3232                 return -1;
3233
3234         wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
3235
3236         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
3237         if (os_snprintf_error(buflen, ret))
3238                 return -1;
3239         return ret;
3240 }
3241
3242
3243 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
3244                                  struct wpa_cred *cred)
3245 {
3246         struct wpa_ssid *ssid;
3247         char str[20];
3248         int id;
3249
3250         if (cred == NULL) {
3251                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3252                 return -1;
3253         }
3254
3255         id = cred->id;
3256         if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
3257                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3258                 return -1;
3259         }
3260
3261         wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
3262
3263         /* Remove any network entry created based on the removed credential */
3264         ssid = wpa_s->conf->ssid;
3265         while (ssid) {
3266                 if (ssid->parent_cred == cred) {
3267                         int res;
3268
3269                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
3270                                    "used the removed credential", ssid->id);
3271                         res = os_snprintf(str, sizeof(str), "%d", ssid->id);
3272                         if (os_snprintf_error(sizeof(str), res))
3273                                 str[sizeof(str) - 1] = '\0';
3274                         ssid = ssid->next;
3275                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
3276                 } else
3277                         ssid = ssid->next;
3278         }
3279
3280         return 0;
3281 }
3282
3283
3284 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
3285                                                  char *cmd)
3286 {
3287         int id;
3288         struct wpa_cred *cred, *prev;
3289
3290         /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
3291          * "provisioning_sp=<FQDN> */
3292         if (os_strcmp(cmd, "all") == 0) {
3293                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
3294                 cred = wpa_s->conf->cred;
3295                 while (cred) {
3296                         prev = cred;
3297                         cred = cred->next;
3298                         wpas_ctrl_remove_cred(wpa_s, prev);
3299                 }
3300                 return 0;
3301         }
3302
3303         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
3304                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
3305                            cmd + 8);
3306                 cred = wpa_s->conf->cred;
3307                 while (cred) {
3308                         prev = cred;
3309                         cred = cred->next;
3310                         if (prev->domain) {
3311                                 size_t i;
3312                                 for (i = 0; i < prev->num_domain; i++) {
3313                                         if (os_strcmp(prev->domain[i], cmd + 8)
3314                                             != 0)
3315                                                 continue;
3316                                         wpas_ctrl_remove_cred(wpa_s, prev);
3317                                         break;
3318                                 }
3319                         }
3320                 }
3321                 return 0;
3322         }
3323
3324         if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
3325                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
3326                            cmd + 16);
3327                 cred = wpa_s->conf->cred;
3328                 while (cred) {
3329                         prev = cred;
3330                         cred = cred->next;
3331                         if (prev->provisioning_sp &&
3332                             os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
3333                                 wpas_ctrl_remove_cred(wpa_s, prev);
3334                 }
3335                 return 0;
3336         }
3337
3338         id = atoi(cmd);
3339         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
3340
3341         cred = wpa_config_get_cred(wpa_s->conf, id);
3342         return wpas_ctrl_remove_cred(wpa_s, cred);
3343 }
3344
3345
3346 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
3347                                               char *cmd)
3348 {
3349         int id;
3350         struct wpa_cred *cred;
3351         char *name, *value;
3352
3353         /* cmd: "<cred id> <variable name> <value>" */
3354         name = os_strchr(cmd, ' ');
3355         if (name == NULL)
3356                 return -1;
3357         *name++ = '\0';
3358
3359         value = os_strchr(name, ' ');
3360         if (value == NULL)
3361                 return -1;
3362         *value++ = '\0';
3363
3364         id = atoi(cmd);
3365         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
3366                    id, name);
3367         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3368                               (u8 *) value, os_strlen(value));
3369
3370         cred = wpa_config_get_cred(wpa_s->conf, id);
3371         if (cred == NULL) {
3372                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3373                            id);
3374                 return -1;
3375         }
3376
3377         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
3378                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
3379                            "variable '%s'", name);
3380                 return -1;
3381         }
3382
3383         wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
3384
3385         return 0;
3386 }
3387
3388
3389 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
3390                                               char *cmd, char *buf,
3391                                               size_t buflen)
3392 {
3393         int id;
3394         size_t res;
3395         struct wpa_cred *cred;
3396         char *name, *value;
3397
3398         /* cmd: "<cred id> <variable name>" */
3399         name = os_strchr(cmd, ' ');
3400         if (name == NULL)
3401                 return -1;
3402         *name++ = '\0';
3403
3404         id = atoi(cmd);
3405         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
3406                    id, name);
3407
3408         cred = wpa_config_get_cred(wpa_s->conf, id);
3409         if (cred == NULL) {
3410                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3411                            id);
3412                 return -1;
3413         }
3414
3415         value = wpa_config_get_cred_no_key(cred, name);
3416         if (value == NULL) {
3417                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
3418                            name);
3419                 return -1;
3420         }
3421
3422         res = os_strlcpy(buf, value, buflen);
3423         if (res >= buflen) {
3424                 os_free(value);
3425                 return -1;
3426         }
3427
3428         os_free(value);
3429
3430         return res;
3431 }
3432
3433
3434 #ifndef CONFIG_NO_CONFIG_WRITE
3435 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3436 {
3437         int ret;
3438
3439         if (!wpa_s->conf->update_config) {
3440                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3441                            "to update configuration (update_config=0)");
3442                 return -1;
3443         }
3444
3445         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3446         if (ret) {
3447                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3448                            "update configuration");
3449         } else {
3450                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3451                            " updated");
3452         }
3453
3454         return ret;
3455 }
3456 #endif /* CONFIG_NO_CONFIG_WRITE */
3457
3458
3459 struct cipher_info {
3460         unsigned int capa;
3461         const char *name;
3462         int group_only;
3463 };
3464
3465 static const struct cipher_info ciphers[] = {
3466         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3467         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3468         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3469         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3470         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3471         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3472         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3473         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3474 };
3475
3476 static const struct cipher_info ciphers_group_mgmt[] = {
3477         { WPA_DRIVER_CAPA_ENC_BIP, "AES-128-CMAC", 1 },
3478         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_128, "BIP-GMAC-128", 1 },
3479         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_256, "BIP-GMAC-256", 1 },
3480         { WPA_DRIVER_CAPA_ENC_BIP_CMAC_256, "BIP-CMAC-256", 1 },
3481 };
3482
3483
3484 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3485                                               struct wpa_driver_capa *capa,
3486                                               char *buf, size_t buflen)
3487 {
3488         int ret;
3489         char *pos, *end;
3490         size_t len;
3491         unsigned int i;
3492
3493         pos = buf;
3494         end = pos + buflen;
3495
3496         if (res < 0) {
3497                 if (strict)
3498                         return 0;
3499                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3500                 if (len >= buflen)
3501                         return -1;
3502                 return len;
3503         }
3504
3505         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3506                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3507                         ret = os_snprintf(pos, end - pos, "%s%s",
3508                                           pos == buf ? "" : " ",
3509                                           ciphers[i].name);
3510                         if (os_snprintf_error(end - pos, ret))
3511                                 return pos - buf;
3512                         pos += ret;
3513                 }
3514         }
3515
3516         return pos - buf;
3517 }
3518
3519
3520 static int ctrl_iface_get_capability_group(int res, char *strict,
3521                                            struct wpa_driver_capa *capa,
3522                                            char *buf, size_t buflen)
3523 {
3524         int ret;
3525         char *pos, *end;
3526         size_t len;
3527         unsigned int i;
3528
3529         pos = buf;
3530         end = pos + buflen;
3531
3532         if (res < 0) {
3533                 if (strict)
3534                         return 0;
3535                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3536                 if (len >= buflen)
3537                         return -1;
3538                 return len;
3539         }
3540
3541         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3542                 if (capa->enc & ciphers[i].capa) {
3543                         ret = os_snprintf(pos, end - pos, "%s%s",
3544                                           pos == buf ? "" : " ",
3545                                           ciphers[i].name);
3546                         if (os_snprintf_error(end - pos, ret))
3547                                 return pos - buf;
3548                         pos += ret;
3549                 }
3550         }
3551
3552         return pos - buf;
3553 }
3554
3555
3556 static int ctrl_iface_get_capability_group_mgmt(int res, char *strict,
3557                                                 struct wpa_driver_capa *capa,
3558                                                 char *buf, size_t buflen)
3559 {
3560         int ret;
3561         char *pos, *end;
3562         unsigned int i;
3563
3564         pos = buf;
3565         end = pos + buflen;
3566
3567         if (res < 0)
3568                 return 0;
3569
3570         for (i = 0; i < ARRAY_SIZE(ciphers_group_mgmt); i++) {
3571                 if (capa->enc & ciphers_group_mgmt[i].capa) {
3572                         ret = os_snprintf(pos, end - pos, "%s%s",
3573                                           pos == buf ? "" : " ",
3574                                           ciphers_group_mgmt[i].name);
3575                         if (os_snprintf_error(end - pos, ret))
3576                                 return pos - buf;
3577                         pos += ret;
3578                 }
3579         }
3580
3581         return pos - buf;
3582 }
3583
3584
3585 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3586                                               struct wpa_driver_capa *capa,
3587                                               char *buf, size_t buflen)
3588 {
3589         int ret;
3590         char *pos, *end;
3591         size_t len;
3592
3593         pos = buf;
3594         end = pos + buflen;
3595
3596         if (res < 0) {
3597                 if (strict)
3598                         return 0;
3599                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3600                                  "NONE", buflen);
3601                 if (len >= buflen)
3602                         return -1;
3603                 return len;
3604         }
3605
3606         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3607         if (os_snprintf_error(end - pos, ret))
3608                 return pos - buf;
3609         pos += ret;
3610
3611         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3612                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3613                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3614                 if (os_snprintf_error(end - pos, ret))
3615                         return pos - buf;
3616                 pos += ret;
3617         }
3618
3619         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3620                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3621                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3622                 if (os_snprintf_error(end - pos, ret))
3623                         return pos - buf;
3624                 pos += ret;
3625         }
3626
3627         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3628                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3629                 if (os_snprintf_error(end - pos, ret))
3630                         return pos - buf;
3631                 pos += ret;
3632         }
3633
3634 #ifdef CONFIG_SUITEB
3635         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B) {
3636                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B");
3637                 if (os_snprintf_error(end - pos, ret))
3638                         return pos - buf;
3639                 pos += ret;
3640         }
3641 #endif /* CONFIG_SUITEB */
3642 #ifdef CONFIG_SUITEB192
3643         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192) {
3644                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B-192");
3645                 if (os_snprintf_error(end - pos, ret))
3646                         return pos - buf;
3647                 pos += ret;
3648         }
3649 #endif /* CONFIG_SUITEB192 */
3650
3651         return pos - buf;
3652 }
3653
3654
3655 static int ctrl_iface_get_capability_proto(int res, char *strict,
3656                                            struct wpa_driver_capa *capa,
3657                                            char *buf, size_t buflen)
3658 {
3659         int ret;
3660         char *pos, *end;
3661         size_t len;
3662
3663         pos = buf;
3664         end = pos + buflen;
3665
3666         if (res < 0) {
3667                 if (strict)
3668                         return 0;
3669                 len = os_strlcpy(buf, "RSN WPA", buflen);
3670                 if (len >= buflen)
3671                         return -1;
3672                 return len;
3673         }
3674
3675         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3676                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3677                 ret = os_snprintf(pos, end - pos, "%sRSN",
3678                                   pos == buf ? "" : " ");
3679                 if (os_snprintf_error(end - pos, ret))
3680                         return pos - buf;
3681                 pos += ret;
3682         }
3683
3684         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3685                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3686                 ret = os_snprintf(pos, end - pos, "%sWPA",
3687                                   pos == buf ? "" : " ");
3688                 if (os_snprintf_error(end - pos, ret))
3689                         return pos - buf;
3690                 pos += ret;
3691         }
3692
3693         return pos - buf;
3694 }
3695
3696
3697 static int ctrl_iface_get_capability_auth_alg(struct wpa_supplicant *wpa_s,
3698                                               int res, char *strict,
3699                                               struct wpa_driver_capa *capa,
3700                                               char *buf, size_t buflen)
3701 {
3702         int ret;
3703         char *pos, *end;
3704         size_t len;
3705
3706         pos = buf;
3707         end = pos + buflen;
3708
3709         if (res < 0) {
3710                 if (strict)
3711                         return 0;
3712                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3713                 if (len >= buflen)
3714                         return -1;
3715                 return len;
3716         }
3717
3718         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3719                 ret = os_snprintf(pos, end - pos, "%sOPEN",
3720                                   pos == buf ? "" : " ");
3721                 if (os_snprintf_error(end - pos, ret))
3722                         return pos - buf;
3723                 pos += ret;
3724         }
3725
3726         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3727                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3728                                   pos == buf ? "" : " ");
3729                 if (os_snprintf_error(end - pos, ret))
3730                         return pos - buf;
3731                 pos += ret;
3732         }
3733
3734         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3735                 ret = os_snprintf(pos, end - pos, "%sLEAP",
3736                                   pos == buf ? "" : " ");
3737                 if (os_snprintf_error(end - pos, ret))
3738                         return pos - buf;
3739                 pos += ret;
3740         }
3741
3742 #ifdef CONFIG_SAE
3743         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE) {
3744                 ret = os_snprintf(pos, end - pos, "%sSAE",
3745                                   pos == buf ? "" : " ");
3746                 if (os_snprintf_error(end - pos, ret))
3747                         return pos - buf;
3748                 pos += ret;
3749         }
3750 #endif /* CONFIG_SAE */
3751
3752         return pos - buf;
3753 }
3754
3755
3756 static int ctrl_iface_get_capability_modes(int res, char *strict,
3757                                            struct wpa_driver_capa *capa,
3758                                            char *buf, size_t buflen)
3759 {
3760         int ret;
3761         char *pos, *end;
3762         size_t len;
3763
3764         pos = buf;
3765         end = pos + buflen;
3766
3767         if (res < 0) {
3768                 if (strict)
3769                         return 0;
3770                 len = os_strlcpy(buf, "IBSS AP", buflen);
3771                 if (len >= buflen)
3772                         return -1;
3773                 return len;
3774         }
3775
3776         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3777                 ret = os_snprintf(pos, end - pos, "%sIBSS",
3778                                   pos == buf ? "" : " ");
3779                 if (os_snprintf_error(end - pos, ret))
3780                         return pos - buf;
3781                 pos += ret;
3782         }
3783
3784         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3785                 ret = os_snprintf(pos, end - pos, "%sAP",
3786                                   pos == buf ? "" : " ");
3787                 if (os_snprintf_error(end - pos, ret))
3788                         return pos - buf;
3789                 pos += ret;
3790         }
3791
3792 #ifdef CONFIG_MESH
3793         if (capa->flags & WPA_DRIVER_FLAGS_MESH) {
3794                 ret = os_snprintf(pos, end - pos, "%sMESH",
3795                                   pos == buf ? "" : " ");
3796                 if (os_snprintf_error(end - pos, ret))
3797                         return pos - buf;
3798                 pos += ret;
3799         }
3800 #endif /* CONFIG_MESH */
3801
3802         return pos - buf;
3803 }
3804
3805
3806 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3807                                               char *buf, size_t buflen)
3808 {
3809         struct hostapd_channel_data *chnl;
3810         int ret, i, j;
3811         char *pos, *end, *hmode;
3812
3813         pos = buf;
3814         end = pos + buflen;
3815
3816         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3817                 switch (wpa_s->hw.modes[j].mode) {
3818                 case HOSTAPD_MODE_IEEE80211B:
3819                         hmode = "B";
3820                         break;
3821                 case HOSTAPD_MODE_IEEE80211G:
3822                         hmode = "G";
3823                         break;
3824                 case HOSTAPD_MODE_IEEE80211A:
3825                         hmode = "A";
3826                         break;
3827                 case HOSTAPD_MODE_IEEE80211AD:
3828                         hmode = "AD";
3829                         break;
3830                 default:
3831                         continue;
3832                 }
3833                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3834                 if (os_snprintf_error(end - pos, ret))
3835                         return pos - buf;
3836                 pos += ret;
3837                 chnl = wpa_s->hw.modes[j].channels;
3838                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3839                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3840                                 continue;
3841                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3842                         if (os_snprintf_error(end - pos, ret))
3843                                 return pos - buf;
3844                         pos += ret;
3845                 }
3846                 ret = os_snprintf(pos, end - pos, "\n");
3847                 if (os_snprintf_error(end - pos, ret))
3848                         return pos - buf;
3849                 pos += ret;
3850         }
3851
3852         return pos - buf;
3853 }
3854
3855
3856 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3857                                           char *buf, size_t buflen)
3858 {
3859         struct hostapd_channel_data *chnl;
3860         int ret, i, j;
3861         char *pos, *end, *hmode;
3862
3863         pos = buf;
3864         end = pos + buflen;
3865
3866         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3867                 switch (wpa_s->hw.modes[j].mode) {
3868                 case HOSTAPD_MODE_IEEE80211B:
3869                         hmode = "B";
3870                         break;
3871                 case HOSTAPD_MODE_IEEE80211G:
3872                         hmode = "G";
3873                         break;
3874                 case HOSTAPD_MODE_IEEE80211A:
3875                         hmode = "A";
3876                         break;
3877                 case HOSTAPD_MODE_IEEE80211AD:
3878                         hmode = "AD";
3879                         break;
3880                 default:
3881                         continue;
3882                 }
3883                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3884                                   hmode);
3885                 if (os_snprintf_error(end - pos, ret))
3886                         return pos - buf;
3887                 pos += ret;
3888                 chnl = wpa_s->hw.modes[j].channels;
3889                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3890                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3891                                 continue;
3892                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3893                                           chnl[i].chan, chnl[i].freq,
3894                                           chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
3895                                           " (NO_IR)" : "",
3896                                           chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3897                                           " (DFS)" : "");
3898
3899                         if (os_snprintf_error(end - pos, ret))
3900                                 return pos - buf;
3901                         pos += ret;
3902                 }
3903                 ret = os_snprintf(pos, end - pos, "\n");
3904                 if (os_snprintf_error(end - pos, ret))
3905                         return pos - buf;
3906                 pos += ret;
3907         }
3908
3909         return pos - buf;
3910 }
3911
3912
3913 static int wpa_supplicant_ctrl_iface_get_capability(
3914         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3915         size_t buflen)
3916 {
3917         struct wpa_driver_capa capa;
3918         int res;
3919         char *strict;
3920         char field[30];
3921         size_t len;
3922
3923         /* Determine whether or not strict checking was requested */
3924         len = os_strlcpy(field, _field, sizeof(field));
3925         if (len >= sizeof(field))
3926                 return -1;
3927         strict = os_strchr(field, ' ');
3928         if (strict != NULL) {
3929                 *strict++ = '\0';
3930                 if (os_strcmp(strict, "strict") != 0)
3931                         return -1;
3932         }
3933
3934         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3935                 field, strict ? strict : "");
3936
3937         if (os_strcmp(field, "eap") == 0) {
3938                 return eap_get_names(buf, buflen);
3939         }
3940
3941         res = wpa_drv_get_capa(wpa_s, &capa);
3942
3943         if (os_strcmp(field, "pairwise") == 0)
3944                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3945                                                           buf, buflen);
3946
3947         if (os_strcmp(field, "group") == 0)
3948                 return ctrl_iface_get_capability_group(res, strict, &capa,
3949                                                        buf, buflen);
3950
3951         if (os_strcmp(field, "group_mgmt") == 0)
3952                 return ctrl_iface_get_capability_group_mgmt(res, strict, &capa,
3953                                                             buf, buflen);
3954
3955         if (os_strcmp(field, "key_mgmt") == 0)
3956                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3957                                                           buf, buflen);
3958
3959         if (os_strcmp(field, "proto") == 0)
3960                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3961                                                        buf, buflen);
3962
3963         if (os_strcmp(field, "auth_alg") == 0)
3964                 return ctrl_iface_get_capability_auth_alg(wpa_s, res, strict,
3965                                                           &capa, buf, buflen);
3966
3967         if (os_strcmp(field, "modes") == 0)
3968                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3969                                                        buf, buflen);
3970
3971         if (os_strcmp(field, "channels") == 0)
3972                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3973
3974         if (os_strcmp(field, "freq") == 0)
3975                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3976
3977 #ifdef CONFIG_TDLS
3978         if (os_strcmp(field, "tdls") == 0)
3979                 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3980 #endif /* CONFIG_TDLS */
3981
3982 #ifdef CONFIG_ERP
3983         if (os_strcmp(field, "erp") == 0) {
3984                 res = os_snprintf(buf, buflen, "ERP");
3985                 if (os_snprintf_error(buflen, res))
3986                         return -1;
3987                 return res;
3988         }
3989 #endif /* CONFIG_EPR */
3990
3991 #ifdef CONFIG_FIPS
3992         if (os_strcmp(field, "fips") == 0) {
3993                 res = os_snprintf(buf, buflen, "FIPS");
3994                 if (os_snprintf_error(buflen, res))
3995                         return -1;
3996                 return res;
3997         }
3998 #endif /* CONFIG_FIPS */
3999
4000 #ifdef CONFIG_ACS
4001         if (os_strcmp(field, "acs") == 0) {
4002                 res = os_snprintf(buf, buflen, "ACS");
4003                 if (os_snprintf_error(buflen, res))
4004                         return -1;
4005                 return res;
4006         }
4007 #endif /* CONFIG_ACS */
4008
4009         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
4010                    field);
4011
4012         return -1;
4013 }
4014
4015
4016 #ifdef CONFIG_INTERWORKING
4017 static char * anqp_add_hex(char *pos, char *end, const char *title,
4018                            struct wpabuf *data)
4019 {
4020         char *start = pos;
4021         size_t i;
4022         int ret;
4023         const u8 *d;
4024
4025         if (data == NULL)
4026                 return start;
4027
4028         ret = os_snprintf(pos, end - pos, "%s=", title);
4029         if (os_snprintf_error(end - pos, ret))
4030                 return start;
4031         pos += ret;
4032
4033         d = wpabuf_head_u8(data);
4034         for (i = 0; i < wpabuf_len(data); i++) {
4035                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
4036                 if (os_snprintf_error(end - pos, ret))
4037                         return start;
4038                 pos += ret;
4039         }
4040
4041         ret = os_snprintf(pos, end - pos, "\n");
4042         if (os_snprintf_error(end - pos, ret))
4043                 return start;
4044         pos += ret;
4045
4046         return pos;
4047 }
4048 #endif /* CONFIG_INTERWORKING */
4049
4050
4051 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
4052                           unsigned long mask, char *buf, size_t buflen)
4053 {
4054         size_t i;
4055         int ret;
4056         char *pos, *end;
4057         const u8 *ie, *ie2, *osen_ie;
4058
4059         pos = buf;
4060         end = buf + buflen;
4061
4062         if (mask & WPA_BSS_MASK_ID) {
4063                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
4064                 if (os_snprintf_error(end - pos, ret))
4065                         return 0;
4066                 pos += ret;
4067         }
4068
4069         if (mask & WPA_BSS_MASK_BSSID) {
4070                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
4071                                   MAC2STR(bss->bssid));
4072                 if (os_snprintf_error(end - pos, ret))
4073                         return 0;
4074                 pos += ret;
4075         }
4076
4077         if (mask & WPA_BSS_MASK_FREQ) {
4078                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
4079                 if (os_snprintf_error(end - pos, ret))
4080                         return 0;
4081                 pos += ret;
4082         }
4083
4084         if (mask & WPA_BSS_MASK_BEACON_INT) {
4085                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
4086                                   bss->beacon_int);
4087                 if (os_snprintf_error(end - pos, ret))
4088                         return 0;
4089                 pos += ret;
4090         }
4091
4092         if (mask & WPA_BSS_MASK_CAPABILITIES) {
4093                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
4094                                   bss->caps);
4095                 if (os_snprintf_error(end - pos, ret))
4096                         return 0;
4097                 pos += ret;
4098         }
4099
4100         if (mask & WPA_BSS_MASK_QUAL) {
4101                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
4102                 if (os_snprintf_error(end - pos, ret))
4103                         return 0;
4104                 pos += ret;
4105         }
4106
4107         if (mask & WPA_BSS_MASK_NOISE) {
4108                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
4109                 if (os_snprintf_error(end - pos, ret))
4110                         return 0;
4111                 pos += ret;
4112         }
4113
4114         if (mask & WPA_BSS_MASK_LEVEL) {
4115                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
4116                 if (os_snprintf_error(end - pos, ret))
4117                         return 0;
4118                 pos += ret;
4119         }
4120
4121         if (mask & WPA_BSS_MASK_TSF) {
4122                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
4123                                   (unsigned long long) bss->tsf);
4124                 if (os_snprintf_error(end - pos, ret))
4125                         return 0;
4126                 pos += ret;
4127         }
4128
4129         if (mask & WPA_BSS_MASK_AGE) {
4130                 struct os_reltime now;
4131
4132                 os_get_reltime(&now);
4133                 ret = os_snprintf(pos, end - pos, "age=%d\n",
4134                                   (int) (now.sec - bss->last_update.sec));
4135                 if (os_snprintf_error(end - pos, ret))
4136                         return 0;
4137                 pos += ret;
4138         }
4139
4140         if (mask & WPA_BSS_MASK_IE) {
4141                 ret = os_snprintf(pos, end - pos, "ie=");
4142                 if (os_snprintf_error(end - pos, ret))
4143                         return 0;
4144                 pos += ret;
4145
4146                 ie = (const u8 *) (bss + 1);
4147                 for (i = 0; i < bss->ie_len; i++) {
4148                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4149                         if (os_snprintf_error(end - pos, ret))
4150                                 return 0;
4151                         pos += ret;
4152                 }
4153
4154                 ret = os_snprintf(pos, end - pos, "\n");
4155                 if (os_snprintf_error(end - pos, ret))
4156                         return 0;
4157                 pos += ret;
4158         }
4159
4160         if (mask & WPA_BSS_MASK_FLAGS) {
4161                 ret = os_snprintf(pos, end - pos, "flags=");
4162                 if (os_snprintf_error(end - pos, ret))
4163                         return 0;
4164                 pos += ret;
4165
4166                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
4167                 if (ie)
4168                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
4169                                                     2 + ie[1]);
4170                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4171                 if (ie2)
4172                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
4173                                                     2 + ie2[1]);
4174                 osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
4175                 if (osen_ie)
4176                         pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
4177                                                     osen_ie, 2 + osen_ie[1]);
4178                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
4179                 if (!ie && !ie2 && !osen_ie &&
4180                     (bss->caps & IEEE80211_CAP_PRIVACY)) {
4181                         ret = os_snprintf(pos, end - pos, "[WEP]");
4182                         if (os_snprintf_error(end - pos, ret))
4183                                 return 0;
4184                         pos += ret;
4185                 }
4186                 if (bss_is_dmg(bss)) {
4187                         const char *s;
4188                         ret = os_snprintf(pos, end - pos, "[DMG]");
4189                         if (os_snprintf_error(end - pos, ret))
4190                                 return 0;
4191                         pos += ret;
4192                         switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
4193                         case IEEE80211_CAP_DMG_IBSS:
4194                                 s = "[IBSS]";
4195                                 break;
4196                         case IEEE80211_CAP_DMG_AP:
4197                                 s = "[ESS]";
4198                                 break;
4199                         case IEEE80211_CAP_DMG_PBSS:
4200                                 s = "[PBSS]";
4201                                 break;
4202                         default:
4203                                 s = "";
4204                                 break;
4205                         }
4206                         ret = os_snprintf(pos, end - pos, "%s", s);
4207                         if (os_snprintf_error(end - pos, ret))
4208                                 return 0;
4209                         pos += ret;
4210                 } else {
4211                         if (bss->caps & IEEE80211_CAP_IBSS) {
4212                                 ret = os_snprintf(pos, end - pos, "[IBSS]");
4213                                 if (os_snprintf_error(end - pos, ret))
4214                                         return 0;
4215                                 pos += ret;
4216                         }
4217                         if (bss->caps & IEEE80211_CAP_ESS) {
4218                                 ret = os_snprintf(pos, end - pos, "[ESS]");
4219                                 if (os_snprintf_error(end - pos, ret))
4220                                         return 0;
4221                                 pos += ret;
4222                         }
4223                 }
4224                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
4225                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
4226                         ret = os_snprintf(pos, end - pos, "[P2P]");
4227                         if (os_snprintf_error(end - pos, ret))
4228                                 return 0;
4229                         pos += ret;
4230                 }
4231 #ifdef CONFIG_HS20
4232                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
4233                         ret = os_snprintf(pos, end - pos, "[HS20]");
4234                         if (os_snprintf_error(end - pos, ret))
4235                                 return 0;
4236                         pos += ret;
4237                 }
4238 #endif /* CONFIG_HS20 */
4239
4240                 ret = os_snprintf(pos, end - pos, "\n");
4241                 if (os_snprintf_error(end - pos, ret))
4242                         return 0;
4243                 pos += ret;
4244         }
4245
4246         if (mask & WPA_BSS_MASK_SSID) {
4247                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
4248                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
4249                 if (os_snprintf_error(end - pos, ret))
4250                         return 0;
4251                 pos += ret;
4252         }
4253
4254 #ifdef CONFIG_WPS
4255         if (mask & WPA_BSS_MASK_WPS_SCAN) {
4256                 ie = (const u8 *) (bss + 1);
4257                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
4258                 if (ret >= end - pos)
4259                         return 0;
4260                 if (ret > 0)
4261                         pos += ret;
4262         }
4263 #endif /* CONFIG_WPS */
4264
4265 #ifdef CONFIG_P2P
4266         if (mask & WPA_BSS_MASK_P2P_SCAN) {
4267                 ie = (const u8 *) (bss + 1);
4268                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
4269                 if (ret >= end - pos)
4270                         return 0;
4271                 if (ret > 0)
4272                         pos += ret;
4273         }
4274 #endif /* CONFIG_P2P */
4275
4276 #ifdef CONFIG_WIFI_DISPLAY
4277         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
4278                 struct wpabuf *wfd;
4279                 ie = (const u8 *) (bss + 1);
4280                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
4281                                                   WFD_IE_VENDOR_TYPE);
4282                 if (wfd) {
4283                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
4284                         if (os_snprintf_error(end - pos, ret)) {
4285                                 wpabuf_free(wfd);
4286                                 return 0;
4287                         }
4288                         pos += ret;
4289
4290                         pos += wpa_snprintf_hex(pos, end - pos,
4291                                                 wpabuf_head(wfd),
4292                                                 wpabuf_len(wfd));
4293                         wpabuf_free(wfd);
4294
4295                         ret = os_snprintf(pos, end - pos, "\n");
4296                         if (os_snprintf_error(end - pos, ret))
4297                                 return 0;
4298                         pos += ret;
4299                 }
4300         }
4301 #endif /* CONFIG_WIFI_DISPLAY */
4302
4303 #ifdef CONFIG_INTERWORKING
4304         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
4305                 struct wpa_bss_anqp *anqp = bss->anqp;
4306                 struct wpa_bss_anqp_elem *elem;
4307
4308                 pos = anqp_add_hex(pos, end, "anqp_capability_list",
4309                                    anqp->capability_list);
4310                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
4311                                    anqp->venue_name);
4312                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4313                                    anqp->network_auth_type);
4314                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4315                                    anqp->roaming_consortium);
4316                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4317                                    anqp->ip_addr_type_availability);
4318                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4319                                    anqp->nai_realm);
4320                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4321                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
4322                                    anqp->domain_name);
4323 #ifdef CONFIG_HS20
4324                 pos = anqp_add_hex(pos, end, "hs20_capability_list",
4325                                    anqp->hs20_capability_list);
4326                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4327                                    anqp->hs20_operator_friendly_name);
4328                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4329                                    anqp->hs20_wan_metrics);
4330                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4331                                    anqp->hs20_connection_capability);
4332                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
4333                                    anqp->hs20_operating_class);
4334                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4335                                    anqp->hs20_osu_providers_list);
4336 #endif /* CONFIG_HS20 */
4337
4338                 dl_list_for_each(elem, &anqp->anqp_elems,
4339                                  struct wpa_bss_anqp_elem, list) {
4340                         char title[20];
4341
4342                         os_snprintf(title, sizeof(title), "anqp[%u]",
4343                                     elem->infoid);
4344                         pos = anqp_add_hex(pos, end, title, elem->payload);
4345                 }
4346         }
4347 #endif /* CONFIG_INTERWORKING */
4348
4349 #ifdef CONFIG_MESH
4350         if (mask & WPA_BSS_MASK_MESH_SCAN) {
4351                 ie = (const u8 *) (bss + 1);
4352                 ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4353                 if (ret >= end - pos)
4354                         return 0;
4355                 if (ret > 0)
4356                         pos += ret;
4357         }
4358 #endif /* CONFIG_MESH */
4359
4360         if (mask & WPA_BSS_MASK_SNR) {
4361                 ret = os_snprintf(pos, end - pos, "snr=%d\n", bss->snr);
4362                 if (os_snprintf_error(end - pos, ret))
4363                         return 0;
4364                 pos += ret;
4365         }
4366
4367         if (mask & WPA_BSS_MASK_EST_THROUGHPUT) {
4368                 ret = os_snprintf(pos, end - pos, "est_throughput=%d\n",
4369                                   bss->est_throughput);
4370                 if (os_snprintf_error(end - pos, ret))
4371                         return 0;
4372                 pos += ret;
4373         }
4374
4375 #ifdef CONFIG_FST
4376         if (mask & WPA_BSS_MASK_FST) {
4377                 ret = fst_ctrl_iface_mb_info(bss->bssid, pos, end - pos);
4378                 if (ret < 0 || ret >= end - pos)
4379                         return 0;
4380                 pos += ret;
4381         }
4382 #endif /* CONFIG_FST */
4383
4384         if (mask & WPA_BSS_MASK_DELIM) {
4385                 ret = os_snprintf(pos, end - pos, "====\n");
4386                 if (os_snprintf_error(end - pos, ret))
4387                         return 0;
4388                 pos += ret;
4389         }
4390
4391         return pos - buf;
4392 }
4393
4394
4395 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
4396                                          const char *cmd, char *buf,
4397                                          size_t buflen)
4398 {
4399         u8 bssid[ETH_ALEN];
4400         size_t i;
4401         struct wpa_bss *bss;
4402         struct wpa_bss *bsslast = NULL;
4403         struct dl_list *next;
4404         int ret = 0;
4405         int len;
4406         char *ctmp, *end = buf + buflen;
4407         unsigned long mask = WPA_BSS_MASK_ALL;
4408
4409         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
4410                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
4411                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
4412                                             list_id);
4413                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
4414                                                list_id);
4415                 } else { /* N1-N2 */
4416                         unsigned int id1, id2;
4417
4418                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
4419                                 wpa_printf(MSG_INFO, "Wrong BSS range "
4420                                            "format");
4421                                 return 0;
4422                         }
4423
4424                         if (*(cmd + 6) == '-')
4425                                 id1 = 0;
4426                         else
4427                                 id1 = atoi(cmd + 6);
4428                         ctmp++;
4429                         if (*ctmp >= '0' && *ctmp <= '9')
4430                                 id2 = atoi(ctmp);
4431                         else
4432                                 id2 = (unsigned int) -1;
4433                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4434                         if (id2 == (unsigned int) -1)
4435                                 bsslast = dl_list_last(&wpa_s->bss_id,
4436                                                        struct wpa_bss,
4437                                                        list_id);
4438                         else {
4439                                 bsslast = wpa_bss_get_id(wpa_s, id2);
4440                                 if (bsslast == NULL && bss && id2 > id1) {
4441                                         struct wpa_bss *tmp = bss;
4442                                         for (;;) {
4443                                                 next = tmp->list_id.next;
4444                                                 if (next == &wpa_s->bss_id)
4445                                                         break;
4446                                                 tmp = dl_list_entry(
4447                                                         next, struct wpa_bss,
4448                                                         list_id);
4449                                                 if (tmp->id > id2)
4450                                                         break;
4451                                                 bsslast = tmp;
4452                                         }
4453                                 }
4454                         }
4455                 }
4456         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
4457                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4458         else if (os_strncmp(cmd, "LAST", 4) == 0)
4459                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4460         else if (os_strncmp(cmd, "ID-", 3) == 0) {
4461                 i = atoi(cmd + 3);
4462                 bss = wpa_bss_get_id(wpa_s, i);
4463         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4464                 i = atoi(cmd + 5);
4465                 bss = wpa_bss_get_id(wpa_s, i);
4466                 if (bss) {
4467                         next = bss->list_id.next;
4468                         if (next == &wpa_s->bss_id)
4469                                 bss = NULL;
4470                         else
4471                                 bss = dl_list_entry(next, struct wpa_bss,
4472                                                     list_id);
4473                 }
4474 #ifdef CONFIG_P2P
4475         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4476                 if (hwaddr_aton(cmd + 13, bssid) == 0)
4477                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4478                 else
4479                         bss = NULL;
4480 #endif /* CONFIG_P2P */
4481         } else if (hwaddr_aton(cmd, bssid) == 0)
4482                 bss = wpa_bss_get_bssid(wpa_s, bssid);
4483         else {
4484                 struct wpa_bss *tmp;
4485                 i = atoi(cmd);
4486                 bss = NULL;
4487                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4488                 {
4489                         if (i-- == 0) {
4490                                 bss = tmp;
4491                                 break;
4492                         }
4493                 }
4494         }
4495
4496         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4497                 mask = strtoul(ctmp + 5, NULL, 0x10);
4498                 if (mask == 0)
4499                         mask = WPA_BSS_MASK_ALL;
4500         }
4501
4502         if (bss == NULL)
4503                 return 0;
4504
4505         if (bsslast == NULL)
4506                 bsslast = bss;
4507         do {
4508                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4509                 ret += len;
4510                 buf += len;
4511                 buflen -= len;
4512                 if (bss == bsslast) {
4513                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
4514                             (bss == dl_list_last(&wpa_s->bss_id,
4515                                                  struct wpa_bss, list_id))) {
4516                                 int res;
4517
4518                                 res = os_snprintf(buf - 5, end - buf + 5,
4519                                                   "####\n");
4520                                 if (os_snprintf_error(end - buf + 5, res)) {
4521                                         wpa_printf(MSG_DEBUG,
4522                                                    "Could not add end delim");
4523                                 }
4524                         }
4525                         break;
4526                 }
4527                 next = bss->list_id.next;
4528                 if (next == &wpa_s->bss_id)
4529                         break;
4530                 bss = dl_list_entry(next, struct wpa_bss, list_id);
4531         } while (bss && len);
4532
4533         return ret;
4534 }
4535
4536
4537 static int wpa_supplicant_ctrl_iface_ap_scan(
4538         struct wpa_supplicant *wpa_s, char *cmd)
4539 {
4540         int ap_scan = atoi(cmd);
4541         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4542 }
4543
4544
4545 static int wpa_supplicant_ctrl_iface_scan_interval(
4546         struct wpa_supplicant *wpa_s, char *cmd)
4547 {
4548         int scan_int = atoi(cmd);
4549         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4550 }
4551
4552
4553 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4554         struct wpa_supplicant *wpa_s, char *cmd)
4555 {
4556         int expire_age = atoi(cmd);
4557         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4558 }
4559
4560
4561 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4562         struct wpa_supplicant *wpa_s, char *cmd)
4563 {
4564         int expire_count = atoi(cmd);
4565         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4566 }
4567
4568
4569 static void wpa_supplicant_ctrl_iface_bss_flush(
4570         struct wpa_supplicant *wpa_s, char *cmd)
4571 {
4572         int flush_age = atoi(cmd);
4573
4574         if (flush_age == 0)
4575                 wpa_bss_flush(wpa_s);
4576         else
4577                 wpa_bss_flush_by_age(wpa_s, flush_age);
4578 }
4579
4580
4581 #ifdef CONFIG_TESTING_OPTIONS
4582 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4583 {
4584         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4585         /* MLME-DELETEKEYS.request */
4586         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4587         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4588         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4589         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4590 #ifdef CONFIG_IEEE80211W
4591         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4592         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4593 #endif /* CONFIG_IEEE80211W */
4594
4595         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4596                         0);
4597         /* MLME-SETPROTECTION.request(None) */
4598         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4599                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4600                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4601         wpa_sm_drop_sa(wpa_s->wpa);
4602 }
4603 #endif /* CONFIG_TESTING_OPTIONS */
4604
4605
4606 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4607                                           char *addr)
4608 {
4609 #ifdef CONFIG_NO_SCAN_PROCESSING
4610         return -1;
4611 #else /* CONFIG_NO_SCAN_PROCESSING */
4612         u8 bssid[ETH_ALEN];
4613         struct wpa_bss *bss;
4614         struct wpa_ssid *ssid = wpa_s->current_ssid;
4615
4616         if (hwaddr_aton(addr, bssid)) {
4617                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4618                            "address '%s'", addr);
4619                 return -1;
4620         }
4621
4622         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4623
4624         if (!ssid) {
4625                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4626                            "configuration known for the target AP");
4627                 return -1;
4628         }
4629
4630         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4631         if (!bss) {
4632                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4633                            "from BSS table");
4634                 return -1;
4635         }
4636
4637         /*
4638          * TODO: Find best network configuration block from configuration to
4639          * allow roaming to other networks
4640          */
4641
4642         wpa_s->reassociate = 1;
4643         wpa_supplicant_connect(wpa_s, bss, ssid);
4644
4645         return 0;
4646 #endif /* CONFIG_NO_SCAN_PROCESSING */
4647 }
4648
4649
4650 #ifdef CONFIG_P2P
4651 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4652 {
4653         unsigned int timeout = atoi(cmd);
4654         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4655         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4656         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4657         char *pos;
4658         unsigned int search_delay;
4659         const char *_seek[P2P_MAX_QUERY_HASH + 1], **seek = NULL;
4660         u8 seek_count = 0;
4661         int freq = 0;
4662
4663         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4664                 wpa_dbg(wpa_s, MSG_INFO,
4665                         "Reject P2P_FIND since interface is disabled");
4666                 return -1;
4667         }
4668         if (os_strstr(cmd, "type=social"))
4669                 type = P2P_FIND_ONLY_SOCIAL;
4670         else if (os_strstr(cmd, "type=progressive"))
4671                 type = P2P_FIND_PROGRESSIVE;
4672
4673         pos = os_strstr(cmd, "dev_id=");
4674         if (pos) {
4675                 pos += 7;
4676                 if (hwaddr_aton(pos, dev_id))
4677                         return -1;
4678                 _dev_id = dev_id;
4679         }
4680
4681         pos = os_strstr(cmd, "dev_type=");
4682         if (pos) {
4683                 pos += 9;
4684                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4685                         return -1;
4686                 _dev_type = dev_type;
4687         }
4688
4689         pos = os_strstr(cmd, "delay=");
4690         if (pos) {
4691                 pos += 6;
4692                 search_delay = atoi(pos);
4693         } else
4694                 search_delay = wpas_p2p_search_delay(wpa_s);
4695
4696         pos = os_strstr(cmd, "freq=");
4697         if (pos) {
4698                 pos += 5;
4699                 freq = atoi(pos);
4700                 if (freq <= 0)
4701                         return -1;
4702         }
4703
4704         /* Must be searched for last, because it adds nul termination */
4705         pos = os_strstr(cmd, " seek=");
4706         if (pos)
4707                 pos += 6;
4708         while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
4709                 char *term;
4710
4711                 _seek[seek_count++] = pos;
4712                 seek = _seek;
4713                 term = os_strchr(pos, ' ');
4714                 if (!term)
4715                         break;
4716                 *term = '\0';
4717                 pos = os_strstr(term + 1, "seek=");
4718                 if (pos)
4719                         pos += 5;
4720         }
4721         if (seek_count > P2P_MAX_QUERY_HASH) {
4722                 seek[0] = NULL;
4723                 seek_count = 1;
4724         }
4725
4726         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4727                              _dev_id, search_delay, seek_count, seek, freq);
4728 }
4729
4730
4731 static int p2ps_ctrl_parse_cpt_priority(const char *pos, u8 *cpt)
4732 {
4733         const char *last = NULL;
4734         const char *token;
4735         long int token_len;
4736         unsigned int i;
4737
4738         /* Expected predefined CPT names delimited by ':' */
4739         for (i = 0; (token = cstr_token(pos, ": \t", &last)); i++) {
4740                 if (i >= P2PS_FEATURE_CAPAB_CPT_MAX) {
4741                         wpa_printf(MSG_ERROR,
4742                                    "P2PS: CPT name list is too long, expected up to %d names",
4743                                    P2PS_FEATURE_CAPAB_CPT_MAX);
4744                         cpt[0] = 0;
4745                         return -1;
4746                 }
4747
4748                 token_len = last - token;
4749
4750                 if (token_len  == 3 &&
4751                     os_memcmp(token, "UDP", token_len) == 0) {
4752                         cpt[i] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4753                 } else if (token_len == 3 &&
4754                            os_memcmp(token, "MAC", token_len) == 0) {
4755                         cpt[i] = P2PS_FEATURE_CAPAB_MAC_TRANSPORT;
4756                 } else {
4757                         wpa_printf(MSG_ERROR,
4758                                    "P2PS: Unsupported CPT name '%s'", token);
4759                         cpt[0] = 0;
4760                         return -1;
4761                 }
4762
4763                 if (isblank((unsigned char) *last)) {
4764                         i++;
4765                         break;
4766                 }
4767         }
4768         cpt[i] = 0;
4769         return 0;
4770 }
4771
4772
4773 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
4774 {
4775         struct p2ps_provision *p2ps_prov;
4776         char *pos;
4777         size_t info_len = 0;
4778         char *info = NULL;
4779         u8 role = P2PS_SETUP_NONE;
4780         long long unsigned val;
4781         int i;
4782
4783         pos = os_strstr(cmd, "info=");
4784         if (pos) {
4785                 pos += 5;
4786                 info_len = os_strlen(pos);
4787
4788                 if (info_len) {
4789                         info = os_malloc(info_len + 1);
4790                         if (info) {
4791                                 info_len = utf8_unescape(pos, info_len,
4792                                                          info, info_len + 1);
4793                         } else
4794                                 info_len = 0;
4795                 }
4796         }
4797
4798         p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
4799         if (p2ps_prov == NULL) {
4800                 os_free(info);
4801                 return NULL;
4802         }
4803
4804         if (info) {
4805                 os_memcpy(p2ps_prov->info, info, info_len);
4806                 p2ps_prov->info[info_len] = '\0';
4807                 os_free(info);
4808         }
4809
4810         pos = os_strstr(cmd, "status=");
4811         if (pos)
4812                 p2ps_prov->status = atoi(pos + 7);
4813         else
4814                 p2ps_prov->status = -1;
4815
4816         pos = os_strstr(cmd, "adv_id=");
4817         if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
4818                 goto invalid_args;
4819         p2ps_prov->adv_id = val;
4820
4821         pos = os_strstr(cmd, "method=");
4822         if (pos)
4823                 p2ps_prov->method = strtol(pos + 7, NULL, 16);
4824         else
4825                 p2ps_prov->method = 0;
4826
4827         pos = os_strstr(cmd, "session=");
4828         if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
4829                 goto invalid_args;
4830         p2ps_prov->session_id = val;
4831
4832         pos = os_strstr(cmd, "adv_mac=");
4833         if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
4834                 goto invalid_args;
4835
4836         pos = os_strstr(cmd, "session_mac=");
4837         if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
4838                 goto invalid_args;
4839
4840         pos = os_strstr(cmd, "cpt=");
4841         if (pos) {
4842                 if (p2ps_ctrl_parse_cpt_priority(pos + 4,
4843                                                  p2ps_prov->cpt_priority))
4844                         goto invalid_args;
4845         } else {
4846                 p2ps_prov->cpt_priority[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4847         }
4848
4849         for (i = 0; p2ps_prov->cpt_priority[i]; i++)
4850                 p2ps_prov->cpt_mask |= p2ps_prov->cpt_priority[i];
4851
4852         /* force conncap with tstCap (no sanity checks) */
4853         pos = os_strstr(cmd, "tstCap=");
4854         if (pos) {
4855                 role = strtol(pos + 7, NULL, 16);
4856         } else {
4857                 pos = os_strstr(cmd, "role=");
4858                 if (pos) {
4859                         role = strtol(pos + 5, NULL, 16);
4860                         if (role != P2PS_SETUP_CLIENT &&
4861                             role != P2PS_SETUP_GROUP_OWNER)
4862                                 role = P2PS_SETUP_NONE;
4863                 }
4864         }
4865         p2ps_prov->role = role;
4866
4867         return p2ps_prov;
4868
4869 invalid_args:
4870         os_free(p2ps_prov);
4871         return NULL;
4872 }
4873
4874
4875 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
4876 {
4877         u8 addr[ETH_ALEN];
4878         struct p2ps_provision *p2ps_prov;
4879         char *pos;
4880
4881         /* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
4882
4883         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4884
4885         if (hwaddr_aton(cmd, addr))
4886                 return -1;
4887
4888         pos = cmd + 17;
4889         if (*pos != ' ')
4890                 return -1;
4891
4892         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4893         if (!p2ps_prov)
4894                 return -1;
4895
4896         if (p2ps_prov->status < 0) {
4897                 os_free(p2ps_prov);
4898                 return -1;
4899         }
4900
4901         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4902                                   p2ps_prov);
4903 }
4904
4905
4906 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
4907 {
4908         u8 addr[ETH_ALEN];
4909         struct p2ps_provision *p2ps_prov;
4910         char *pos;
4911
4912         /* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
4913          *        session=<ses_id> mac=<ses_mac> [info=<infodata>]
4914          */
4915
4916         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4917         if (hwaddr_aton(cmd, addr))
4918                 return -1;
4919
4920         pos = cmd + 17;
4921         if (*pos != ' ')
4922                 return -1;
4923
4924         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4925         if (!p2ps_prov)
4926                 return -1;
4927
4928         p2ps_prov->pd_seeker = 1;
4929
4930         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4931                                   p2ps_prov);
4932 }
4933
4934
4935 static int parse_freq(int chwidth, int freq2)
4936 {
4937         if (freq2 < 0)
4938                 return -1;
4939         if (freq2)
4940                 return VHT_CHANWIDTH_80P80MHZ;
4941
4942         switch (chwidth) {
4943         case 0:
4944         case 20:
4945         case 40:
4946                 return VHT_CHANWIDTH_USE_HT;
4947         case 80:
4948                 return VHT_CHANWIDTH_80MHZ;
4949         case 160:
4950                 return VHT_CHANWIDTH_160MHZ;
4951         default:
4952                 wpa_printf(MSG_DEBUG, "Unknown max oper bandwidth: %d",
4953                            chwidth);
4954                 return -1;
4955         }
4956 }
4957
4958
4959 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4960                             char *buf, size_t buflen)
4961 {
4962         u8 addr[ETH_ALEN];
4963         char *pos, *pos2;
4964         char *pin = NULL;
4965         enum p2p_wps_method wps_method;
4966         int new_pin;
4967         int ret;
4968         int persistent_group, persistent_id = -1;
4969         int join;
4970         int auth;
4971         int automatic;
4972         int go_intent = -1;
4973         int freq = 0;
4974         int pd;
4975         int ht40, vht, max_oper_chwidth, chwidth = 0, freq2 = 0;
4976         u8 _group_ssid[SSID_MAX_LEN], *group_ssid = NULL;
4977         size_t group_ssid_len = 0;
4978
4979         if (!wpa_s->global->p2p_init_wpa_s)
4980                 return -1;
4981         if (wpa_s->global->p2p_init_wpa_s != wpa_s) {
4982                 wpa_dbg(wpa_s, MSG_DEBUG, "Direct P2P_CONNECT command to %s",
4983                         wpa_s->global->p2p_init_wpa_s->ifname);
4984                 wpa_s = wpa_s->global->p2p_init_wpa_s;
4985         }
4986
4987         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
4988          * [persistent|persistent=<network id>]
4989          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4990          * [ht40] [vht] [auto] [ssid=<hexdump>] */
4991
4992         if (hwaddr_aton(cmd, addr))
4993                 return -1;
4994
4995         pos = cmd + 17;
4996         if (*pos != ' ')
4997                 return -1;
4998         pos++;
4999
5000         persistent_group = os_strstr(pos, " persistent") != NULL;
5001         pos2 = os_strstr(pos, " persistent=");
5002         if (pos2) {
5003                 struct wpa_ssid *ssid;
5004                 persistent_id = atoi(pos2 + 12);
5005                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
5006                 if (ssid == NULL || ssid->disabled != 2 ||
5007                     ssid->mode != WPAS_MODE_P2P_GO) {
5008                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
5009                                    "SSID id=%d for persistent P2P group (GO)",
5010                                    persistent_id);
5011                         return -1;
5012                 }
5013         }
5014         join = os_strstr(pos, " join") != NULL;
5015         auth = os_strstr(pos, " auth") != NULL;
5016         automatic = os_strstr(pos, " auto") != NULL;
5017         pd = os_strstr(pos, " provdisc") != NULL;
5018         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5019         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5020                 vht;
5021
5022         pos2 = os_strstr(pos, " go_intent=");
5023         if (pos2) {
5024                 pos2 += 11;
5025                 go_intent = atoi(pos2);
5026                 if (go_intent < 0 || go_intent > 15)
5027                         return -1;
5028         }
5029
5030         pos2 = os_strstr(pos, " freq=");
5031         if (pos2) {
5032                 pos2 += 6;
5033                 freq = atoi(pos2);
5034                 if (freq <= 0)
5035                         return -1;
5036         }
5037
5038         pos2 = os_strstr(pos, " freq2=");
5039         if (pos2)
5040                 freq2 = atoi(pos2 + 7);
5041
5042         pos2 = os_strstr(pos, " max_oper_chwidth=");
5043         if (pos2)
5044                 chwidth = atoi(pos2 + 18);
5045
5046         max_oper_chwidth = parse_freq(chwidth, freq2);
5047         if (max_oper_chwidth < 0)
5048                 return -1;
5049
5050         pos2 = os_strstr(pos, " ssid=");
5051         if (pos2) {
5052                 char *end;
5053
5054                 pos2 += 6;
5055                 end = os_strchr(pos2, ' ');
5056                 if (!end)
5057                         group_ssid_len = os_strlen(pos2) / 2;
5058                 else
5059                         group_ssid_len = (end - pos2) / 2;
5060                 if (group_ssid_len == 0 || group_ssid_len > SSID_MAX_LEN ||
5061                     hexstr2bin(pos2, _group_ssid, group_ssid_len) < 0)
5062                         return -1;
5063                 group_ssid = _group_ssid;
5064         }
5065
5066         if (os_strncmp(pos, "pin", 3) == 0) {
5067                 /* Request random PIN (to be displayed) and enable the PIN */
5068                 wps_method = WPS_PIN_DISPLAY;
5069         } else if (os_strncmp(pos, "pbc", 3) == 0) {
5070                 wps_method = WPS_PBC;
5071         } else if (os_strstr(pos, "p2ps") != NULL) {
5072                 wps_method = WPS_P2PS;
5073         } else {
5074                 pin = pos;
5075                 pos = os_strchr(pin, ' ');
5076                 wps_method = WPS_PIN_KEYPAD;
5077                 if (pos) {
5078                         *pos++ = '\0';
5079                         if (os_strncmp(pos, "display", 7) == 0)
5080                                 wps_method = WPS_PIN_DISPLAY;
5081                 }
5082                 if (!wps_pin_str_valid(pin)) {
5083                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
5084                         return 17;
5085                 }
5086         }
5087
5088         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
5089                                    persistent_group, automatic, join,
5090                                    auth, go_intent, freq, freq2, persistent_id,
5091                                    pd, ht40, vht, max_oper_chwidth,
5092                                    group_ssid, group_ssid_len);
5093         if (new_pin == -2) {
5094                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
5095                 return 25;
5096         }
5097         if (new_pin == -3) {
5098                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
5099                 return 25;
5100         }
5101         if (new_pin < 0)
5102                 return -1;
5103         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
5104                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
5105                 if (os_snprintf_error(buflen, ret))
5106                         return -1;
5107                 return ret;
5108         }
5109
5110         os_memcpy(buf, "OK\n", 3);
5111         return 3;
5112 }
5113
5114
5115 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
5116 {
5117         unsigned int timeout = atoi(cmd);
5118         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
5119                 wpa_dbg(wpa_s, MSG_INFO,
5120                         "Reject P2P_LISTEN since interface is disabled");
5121                 return -1;
5122         }
5123         return wpas_p2p_listen(wpa_s, timeout);
5124 }
5125
5126
5127 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
5128 {
5129         u8 addr[ETH_ALEN];
5130         char *pos;
5131         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
5132
5133         /* <addr> <config method> [join|auto] */
5134
5135         if (hwaddr_aton(cmd, addr))
5136                 return -1;
5137
5138         pos = cmd + 17;
5139         if (*pos != ' ')
5140                 return -1;
5141         pos++;
5142
5143         if (os_strstr(pos, " join") != NULL)
5144                 use = WPAS_P2P_PD_FOR_JOIN;
5145         else if (os_strstr(pos, " auto") != NULL)
5146                 use = WPAS_P2P_PD_AUTO;
5147
5148         return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
5149 }
5150
5151
5152 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
5153                               size_t buflen)
5154 {
5155         struct wpa_ssid *ssid = wpa_s->current_ssid;
5156
5157         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
5158             ssid->passphrase == NULL)
5159                 return -1;
5160
5161         os_strlcpy(buf, ssid->passphrase, buflen);
5162         return os_strlen(buf);
5163 }
5164
5165
5166 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
5167                                   char *buf, size_t buflen)
5168 {
5169         u64 ref;
5170         int res;
5171         u8 dst_buf[ETH_ALEN], *dst;
5172         struct wpabuf *tlvs;
5173         char *pos;
5174         size_t len;
5175
5176         if (hwaddr_aton(cmd, dst_buf))
5177                 return -1;
5178         dst = dst_buf;
5179         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
5180             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
5181                 dst = NULL;
5182         pos = cmd + 17;
5183         if (*pos != ' ')
5184                 return -1;
5185         pos++;
5186
5187         if (os_strncmp(pos, "upnp ", 5) == 0) {
5188                 u8 version;
5189                 pos += 5;
5190                 if (hexstr2bin(pos, &version, 1) < 0)
5191                         return -1;
5192                 pos += 2;
5193                 if (*pos != ' ')
5194                         return -1;
5195                 pos++;
5196                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
5197 #ifdef CONFIG_WIFI_DISPLAY
5198         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
5199                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
5200 #endif /* CONFIG_WIFI_DISPLAY */
5201         } else if (os_strncmp(pos, "asp ", 4) == 0) {
5202                 char *svc_str;
5203                 char *svc_info = NULL;
5204                 u32 id;
5205
5206                 pos += 4;
5207                 if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
5208                         return -1;
5209
5210                 pos = os_strchr(pos, ' ');
5211                 if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
5212                         return -1;
5213
5214                 svc_str = pos + 1;
5215
5216                 pos = os_strchr(svc_str, ' ');
5217
5218                 if (pos)
5219                         *pos++ = '\0';
5220
5221                 /* All remaining data is the svc_info string */
5222                 if (pos && pos[0] && pos[0] != ' ') {
5223                         len = os_strlen(pos);
5224
5225                         /* Unescape in place */
5226                         len = utf8_unescape(pos, len, pos, len);
5227                         if (len > 0xff)
5228                                 return -1;
5229
5230                         svc_info = pos;
5231                 }
5232
5233                 ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
5234                                               svc_str, svc_info);
5235         } else {
5236                 len = os_strlen(pos);
5237                 if (len & 1)
5238                         return -1;
5239                 len /= 2;
5240                 tlvs = wpabuf_alloc(len);
5241                 if (tlvs == NULL)
5242                         return -1;
5243                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
5244                         wpabuf_free(tlvs);
5245                         return -1;
5246                 }
5247
5248                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
5249                 wpabuf_free(tlvs);
5250         }
5251         if (ref == 0)
5252                 return -1;
5253         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
5254         if (os_snprintf_error(buflen, res))
5255                 return -1;
5256         return res;
5257 }
5258
5259
5260 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
5261                                          char *cmd)
5262 {
5263         long long unsigned val;
5264         u64 req;
5265         if (sscanf(cmd, "%llx", &val) != 1)
5266                 return -1;
5267         req = val;
5268         return wpas_p2p_sd_cancel_request(wpa_s, req);
5269 }
5270
5271
5272 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
5273 {
5274         int freq;
5275         u8 dst[ETH_ALEN];
5276         u8 dialog_token;
5277         struct wpabuf *resp_tlvs;
5278         char *pos, *pos2;
5279         size_t len;
5280
5281         pos = os_strchr(cmd, ' ');
5282         if (pos == NULL)
5283                 return -1;
5284         *pos++ = '\0';
5285         freq = atoi(cmd);
5286         if (freq == 0)
5287                 return -1;
5288
5289         if (hwaddr_aton(pos, dst))
5290                 return -1;
5291         pos += 17;
5292         if (*pos != ' ')
5293                 return -1;
5294         pos++;
5295
5296         pos2 = os_strchr(pos, ' ');
5297         if (pos2 == NULL)
5298                 return -1;
5299         *pos2++ = '\0';
5300         dialog_token = atoi(pos);
5301
5302         len = os_strlen(pos2);
5303         if (len & 1)
5304                 return -1;
5305         len /= 2;
5306         resp_tlvs = wpabuf_alloc(len);
5307         if (resp_tlvs == NULL)
5308                 return -1;
5309         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
5310                 wpabuf_free(resp_tlvs);
5311                 return -1;
5312         }
5313
5314         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
5315         wpabuf_free(resp_tlvs);
5316         return 0;
5317 }
5318
5319
5320 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
5321                                        char *cmd)
5322 {
5323         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
5324                 return -1;
5325         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
5326         return 0;
5327 }
5328
5329
5330 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
5331                                         char *cmd)
5332 {
5333         char *pos;
5334         size_t len;
5335         struct wpabuf *query, *resp;
5336
5337         pos = os_strchr(cmd, ' ');
5338         if (pos == NULL)
5339                 return -1;
5340         *pos++ = '\0';
5341
5342         len = os_strlen(cmd);
5343         if (len & 1)
5344                 return -1;
5345         len /= 2;
5346         query = wpabuf_alloc(len);
5347         if (query == NULL)
5348                 return -1;
5349         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5350                 wpabuf_free(query);
5351                 return -1;
5352         }
5353
5354         len = os_strlen(pos);
5355         if (len & 1) {
5356                 wpabuf_free(query);
5357                 return -1;
5358         }
5359         len /= 2;
5360         resp = wpabuf_alloc(len);
5361         if (resp == NULL) {
5362                 wpabuf_free(query);
5363                 return -1;
5364         }
5365         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
5366                 wpabuf_free(query);
5367                 wpabuf_free(resp);
5368                 return -1;
5369         }
5370
5371         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
5372                 wpabuf_free(query);
5373                 wpabuf_free(resp);
5374                 return -1;
5375         }
5376         return 0;
5377 }
5378
5379
5380 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5381 {
5382         char *pos;
5383         u8 version;
5384
5385         pos = os_strchr(cmd, ' ');
5386         if (pos == NULL)
5387                 return -1;
5388         *pos++ = '\0';
5389
5390         if (hexstr2bin(cmd, &version, 1) < 0)
5391                 return -1;
5392
5393         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
5394 }
5395
5396
5397 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
5398                                     u8 replace, char *cmd)
5399 {
5400         char *pos;
5401         char *adv_str;
5402         u32 auto_accept, adv_id, svc_state, config_methods;
5403         char *svc_info = NULL;
5404         char *cpt_prio_str;
5405         u8 cpt_prio[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
5406
5407         pos = os_strchr(cmd, ' ');
5408         if (pos == NULL)
5409                 return -1;
5410         *pos++ = '\0';
5411
5412         /* Auto-Accept value is mandatory, and must be one of the
5413          * single values (0, 1, 2, 4) */
5414         auto_accept = atoi(cmd);
5415         switch (auto_accept) {
5416         case P2PS_SETUP_NONE: /* No auto-accept */
5417         case P2PS_SETUP_NEW:
5418         case P2PS_SETUP_CLIENT:
5419         case P2PS_SETUP_GROUP_OWNER:
5420                 break;
5421         default:
5422                 return -1;
5423         }
5424
5425         /* Advertisement ID is mandatory */
5426         cmd = pos;
5427         pos = os_strchr(cmd, ' ');
5428         if (pos == NULL)
5429                 return -1;
5430         *pos++ = '\0';
5431
5432         /* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
5433         if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
5434                 return -1;
5435
5436         /* Only allow replacements if exist, and adds if not */
5437         if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
5438                 if (!replace)
5439                         return -1;
5440         } else {
5441                 if (replace)
5442                         return -1;
5443         }
5444
5445         /* svc_state between 0 - 0xff is mandatory */
5446         if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
5447                 return -1;
5448
5449         pos = os_strchr(pos, ' ');
5450         if (pos == NULL)
5451                 return -1;
5452
5453         /* config_methods is mandatory */
5454         pos++;
5455         if (sscanf(pos, "%x", &config_methods) != 1)
5456                 return -1;
5457
5458         if (!(config_methods &
5459               (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
5460                 return -1;
5461
5462         pos = os_strchr(pos, ' ');
5463         if (pos == NULL)
5464                 return -1;
5465
5466         pos++;
5467         adv_str = pos;
5468
5469         /* Advertisement string is mandatory */
5470         if (!pos[0] || pos[0] == ' ')
5471                 return -1;
5472
5473         /* Terminate svc string */
5474         pos = os_strchr(pos, ' ');
5475         if (pos != NULL)
5476                 *pos++ = '\0';
5477
5478         cpt_prio_str = (pos && pos[0]) ? os_strstr(pos, "cpt=") : NULL;
5479         if (cpt_prio_str) {
5480                 pos = os_strchr(pos, ' ');
5481                 if (pos != NULL)
5482                         *pos++ = '\0';
5483
5484                 if (p2ps_ctrl_parse_cpt_priority(cpt_prio_str + 4, cpt_prio))
5485                         return -1;
5486         } else {
5487                 cpt_prio[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
5488                 cpt_prio[1] = 0;
5489         }
5490
5491         /* Service and Response Information are optional */
5492         if (pos && pos[0]) {
5493                 size_t len;
5494
5495                 /* Note the bare ' included, which cannot exist legally
5496                  * in unescaped string. */
5497                 svc_info = os_strstr(pos, "svc_info='");
5498
5499                 if (svc_info) {
5500                         svc_info += 9;
5501                         len = os_strlen(svc_info);
5502                         utf8_unescape(svc_info, len, svc_info, len);
5503                 }
5504         }
5505
5506         return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
5507                                         (u8) svc_state, (u16) config_methods,
5508                                         svc_info, cpt_prio);
5509 }
5510
5511
5512 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
5513 {
5514         char *pos;
5515
5516         pos = os_strchr(cmd, ' ');
5517         if (pos == NULL)
5518                 return -1;
5519         *pos++ = '\0';
5520
5521         if (os_strcmp(cmd, "bonjour") == 0)
5522                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
5523         if (os_strcmp(cmd, "upnp") == 0)
5524                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
5525         if (os_strcmp(cmd, "asp") == 0)
5526                 return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
5527         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5528         return -1;
5529 }
5530
5531
5532 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
5533                                         char *cmd)
5534 {
5535         size_t len;
5536         struct wpabuf *query;
5537         int ret;
5538
5539         len = os_strlen(cmd);
5540         if (len & 1)
5541                 return -1;
5542         len /= 2;
5543         query = wpabuf_alloc(len);
5544         if (query == NULL)
5545                 return -1;
5546         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5547                 wpabuf_free(query);
5548                 return -1;
5549         }
5550
5551         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
5552         wpabuf_free(query);
5553         return ret;
5554 }
5555
5556
5557 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5558 {
5559         char *pos;
5560         u8 version;
5561
5562         pos = os_strchr(cmd, ' ');
5563         if (pos == NULL)
5564                 return -1;
5565         *pos++ = '\0';
5566
5567         if (hexstr2bin(cmd, &version, 1) < 0)
5568                 return -1;
5569
5570         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
5571 }
5572
5573
5574 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
5575 {
5576         u32 adv_id;
5577
5578         if (os_strcmp(cmd, "all") == 0) {
5579                 wpas_p2p_service_flush_asp(wpa_s);
5580                 return 0;
5581         }
5582
5583         if (sscanf(cmd, "%x", &adv_id) != 1)
5584                 return -1;
5585
5586         return wpas_p2p_service_del_asp(wpa_s, adv_id);
5587 }
5588
5589
5590 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
5591 {
5592         char *pos;
5593
5594         pos = os_strchr(cmd, ' ');
5595         if (pos == NULL)
5596                 return -1;
5597         *pos++ = '\0';
5598
5599         if (os_strcmp(cmd, "bonjour") == 0)
5600                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
5601         if (os_strcmp(cmd, "upnp") == 0)
5602                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
5603         if (os_strcmp(cmd, "asp") == 0)
5604                 return p2p_ctrl_service_del_asp(wpa_s, pos);
5605         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5606         return -1;
5607 }
5608
5609
5610 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
5611 {
5612         char *pos;
5613
5614         pos = os_strchr(cmd, ' ');
5615         if (pos == NULL)
5616                 return -1;
5617         *pos++ = '\0';
5618
5619         if (os_strcmp(cmd, "asp") == 0)
5620                 return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
5621
5622         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5623         return -1;
5624 }
5625
5626
5627 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
5628 {
5629         u8 addr[ETH_ALEN];
5630
5631         /* <addr> */
5632
5633         if (hwaddr_aton(cmd, addr))
5634                 return -1;
5635
5636         return wpas_p2p_reject(wpa_s, addr);
5637 }
5638
5639
5640 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
5641 {
5642         char *pos;
5643         int id;
5644         struct wpa_ssid *ssid;
5645         u8 *_peer = NULL, peer[ETH_ALEN];
5646         int freq = 0, pref_freq = 0;
5647         int ht40, vht, max_oper_chwidth, chwidth = 0, freq2 = 0;
5648
5649         id = atoi(cmd);
5650         pos = os_strstr(cmd, " peer=");
5651         if (pos) {
5652                 pos += 6;
5653                 if (hwaddr_aton(pos, peer))
5654                         return -1;
5655                 _peer = peer;
5656         }
5657         ssid = wpa_config_get_network(wpa_s->conf, id);
5658         if (ssid == NULL || ssid->disabled != 2) {
5659                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5660                            "for persistent P2P group",
5661                            id);
5662                 return -1;
5663         }
5664
5665         pos = os_strstr(cmd, " freq=");
5666         if (pos) {
5667                 pos += 6;
5668                 freq = atoi(pos);
5669                 if (freq <= 0)
5670                         return -1;
5671         }
5672
5673         pos = os_strstr(cmd, " pref=");
5674         if (pos) {
5675                 pos += 6;
5676                 pref_freq = atoi(pos);
5677                 if (pref_freq <= 0)
5678                         return -1;
5679         }
5680
5681         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5682         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5683                 vht;
5684
5685         pos = os_strstr(cmd, "freq2=");
5686         if (pos)
5687                 freq2 = atoi(pos + 6);
5688
5689         pos = os_strstr(cmd, " max_oper_chwidth=");
5690         if (pos)
5691                 chwidth = atoi(pos + 18);
5692
5693         max_oper_chwidth = parse_freq(chwidth, freq2);
5694         if (max_oper_chwidth < 0)
5695                 return -1;
5696
5697         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, freq2, ht40, vht,
5698                                max_oper_chwidth, pref_freq);
5699 }
5700
5701
5702 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
5703 {
5704         char *pos;
5705         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
5706
5707         pos = os_strstr(cmd, " peer=");
5708         if (!pos)
5709                 return -1;
5710
5711         *pos = '\0';
5712         pos += 6;
5713         if (hwaddr_aton(pos, peer)) {
5714                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
5715                 return -1;
5716         }
5717
5718         pos = os_strstr(pos, " go_dev_addr=");
5719         if (pos) {
5720                 pos += 13;
5721                 if (hwaddr_aton(pos, go_dev_addr)) {
5722                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
5723                                    pos);
5724                         return -1;
5725                 }
5726                 go_dev = go_dev_addr;
5727         }
5728
5729         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
5730 }
5731
5732
5733 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
5734 {
5735         if (os_strncmp(cmd, "persistent=", 11) == 0)
5736                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
5737         if (os_strncmp(cmd, "group=", 6) == 0)
5738                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
5739
5740         return -1;
5741 }
5742
5743
5744 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
5745                                          int id, int freq, int vht_center_freq2,
5746                                          int ht40, int vht, int vht_chwidth)
5747 {
5748         struct wpa_ssid *ssid;
5749
5750         ssid = wpa_config_get_network(wpa_s->conf, id);
5751         if (ssid == NULL || ssid->disabled != 2) {
5752                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5753                            "for persistent P2P group",
5754                            id);
5755                 return -1;
5756         }
5757
5758         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq,
5759                                              vht_center_freq2, 0, ht40, vht,
5760                                              vht_chwidth, NULL, 0, 0);
5761 }
5762
5763
5764 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
5765 {
5766         int freq = 0, persistent = 0, group_id = -1;
5767         int vht = wpa_s->conf->p2p_go_vht;
5768         int ht40 = wpa_s->conf->p2p_go_ht40 || vht;
5769         int max_oper_chwidth, chwidth = 0, freq2 = 0;
5770         char *token, *context = NULL;
5771
5772         while ((token = str_token(cmd, " ", &context))) {
5773                 if (sscanf(token, "freq=%d", &freq) == 1 ||
5774                     sscanf(token, "freq2=%d", &freq2) == 1 ||
5775                     sscanf(token, "persistent=%d", &group_id) == 1 ||
5776                     sscanf(token, "max_oper_chwidth=%d", &chwidth) == 1) {
5777                         continue;
5778                 } else if (os_strcmp(token, "ht40") == 0) {
5779                         ht40 = 1;
5780                 } else if (os_strcmp(token, "vht") == 0) {
5781                         vht = 1;
5782                         ht40 = 1;
5783                 } else if (os_strcmp(token, "persistent") == 0) {
5784                         persistent = 1;
5785                 } else {
5786                         wpa_printf(MSG_DEBUG,
5787                                    "CTRL: Invalid P2P_GROUP_ADD parameter: '%s'",
5788                                    token);
5789                         return -1;
5790                 }
5791         }
5792
5793         max_oper_chwidth = parse_freq(chwidth, freq2);
5794         if (max_oper_chwidth < 0)
5795                 return -1;
5796
5797         if (group_id >= 0)
5798                 return p2p_ctrl_group_add_persistent(wpa_s, group_id,
5799                                                      freq, freq2, ht40, vht,
5800                                                      max_oper_chwidth);
5801
5802         return wpas_p2p_group_add(wpa_s, persistent, freq, freq2, ht40, vht,
5803                                   max_oper_chwidth);
5804 }
5805
5806
5807 static int p2p_ctrl_group_member(struct wpa_supplicant *wpa_s, const char *cmd,
5808                                  char *buf, size_t buflen)
5809 {
5810         u8 dev_addr[ETH_ALEN];
5811         struct wpa_ssid *ssid;
5812         int res;
5813         const u8 *iaddr;
5814
5815         ssid = wpa_s->current_ssid;
5816         if (!wpa_s->global->p2p || !ssid || ssid->mode != WPAS_MODE_P2P_GO ||
5817             hwaddr_aton(cmd, dev_addr))
5818                 return -1;
5819
5820         iaddr = p2p_group_get_client_interface_addr(wpa_s->p2p_group, dev_addr);
5821         if (!iaddr)
5822                 return -1;
5823         res = os_snprintf(buf, buflen, MACSTR, MAC2STR(iaddr));
5824         if (os_snprintf_error(buflen, res))
5825                 return -1;
5826         return res;
5827 }
5828
5829
5830 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
5831                          char *buf, size_t buflen)
5832 {
5833         u8 addr[ETH_ALEN], *addr_ptr;
5834         int next, res;
5835         const struct p2p_peer_info *info;
5836         char *pos, *end;
5837         char devtype[WPS_DEV_TYPE_BUFSIZE];
5838         struct wpa_ssid *ssid;
5839         size_t i;
5840
5841         if (!wpa_s->global->p2p)
5842                 return -1;
5843
5844         if (os_strcmp(cmd, "FIRST") == 0) {
5845                 addr_ptr = NULL;
5846                 next = 0;
5847         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5848                 if (hwaddr_aton(cmd + 5, addr) < 0)
5849                         return -1;
5850                 addr_ptr = addr;
5851                 next = 1;
5852         } else {
5853                 if (hwaddr_aton(cmd, addr) < 0)
5854                         return -1;
5855                 addr_ptr = addr;
5856                 next = 0;
5857         }
5858
5859         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
5860         if (info == NULL)
5861                 return -1;
5862
5863         pos = buf;
5864         end = buf + buflen;
5865
5866         res = os_snprintf(pos, end - pos, MACSTR "\n"
5867                           "pri_dev_type=%s\n"
5868                           "device_name=%s\n"
5869                           "manufacturer=%s\n"
5870                           "model_name=%s\n"
5871                           "model_number=%s\n"
5872                           "serial_number=%s\n"
5873                           "config_methods=0x%x\n"
5874                           "dev_capab=0x%x\n"
5875                           "group_capab=0x%x\n"
5876                           "level=%d\n",
5877                           MAC2STR(info->p2p_device_addr),
5878                           wps_dev_type_bin2str(info->pri_dev_type,
5879                                                devtype, sizeof(devtype)),
5880                           info->device_name,
5881                           info->manufacturer,
5882                           info->model_name,
5883                           info->model_number,
5884                           info->serial_number,
5885                           info->config_methods,
5886                           info->dev_capab,
5887                           info->group_capab,
5888                           info->level);
5889         if (os_snprintf_error(end - pos, res))
5890                 return pos - buf;
5891         pos += res;
5892
5893         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
5894         {
5895                 const u8 *t;
5896                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
5897                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
5898                                   wps_dev_type_bin2str(t, devtype,
5899                                                        sizeof(devtype)));
5900                 if (os_snprintf_error(end - pos, res))
5901                         return pos - buf;
5902                 pos += res;
5903         }
5904
5905         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
5906         if (ssid) {
5907                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
5908                 if (os_snprintf_error(end - pos, res))
5909                         return pos - buf;
5910                 pos += res;
5911         }
5912
5913         res = p2p_get_peer_info_txt(info, pos, end - pos);
5914         if (res < 0)
5915                 return pos - buf;
5916         pos += res;
5917
5918         if (info->vendor_elems) {
5919                 res = os_snprintf(pos, end - pos, "vendor_elems=");
5920                 if (os_snprintf_error(end - pos, res))
5921                         return pos - buf;
5922                 pos += res;
5923
5924                 pos += wpa_snprintf_hex(pos, end - pos,
5925                                         wpabuf_head(info->vendor_elems),
5926                                         wpabuf_len(info->vendor_elems));
5927
5928                 res = os_snprintf(pos, end - pos, "\n");
5929                 if (os_snprintf_error(end - pos, res))
5930                         return pos - buf;
5931                 pos += res;
5932         }
5933
5934         return pos - buf;
5935 }
5936
5937
5938 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
5939                                   const char *param)
5940 {
5941         unsigned int i;
5942
5943         if (wpa_s->global->p2p == NULL)
5944                 return -1;
5945
5946         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
5947                 return -1;
5948
5949         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
5950                 struct wpa_freq_range *freq;
5951                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
5952                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
5953                            freq->min, freq->max);
5954         }
5955
5956         wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DISALLOW);
5957         return 0;
5958 }
5959
5960
5961 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
5962 {
5963         char *param;
5964
5965         if (wpa_s->global->p2p == NULL)
5966                 return -1;
5967
5968         param = os_strchr(cmd, ' ');
5969         if (param == NULL)
5970                 return -1;
5971         *param++ = '\0';
5972
5973         if (os_strcmp(cmd, "discoverability") == 0) {
5974                 p2p_set_client_discoverability(wpa_s->global->p2p,
5975                                                atoi(param));
5976                 return 0;
5977         }
5978
5979         if (os_strcmp(cmd, "managed") == 0) {
5980                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5981                 return 0;
5982         }
5983
5984         if (os_strcmp(cmd, "listen_channel") == 0) {
5985                 char *pos;
5986                 u8 channel, op_class;
5987
5988                 channel = atoi(param);
5989                 pos = os_strchr(param, ' ');
5990                 op_class = pos ? atoi(pos) : 81;
5991
5992                 return p2p_set_listen_channel(wpa_s->global->p2p, op_class,
5993                                               channel, 1);
5994         }
5995
5996         if (os_strcmp(cmd, "ssid_postfix") == 0) {
5997                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
5998                                             os_strlen(param));
5999         }
6000
6001         if (os_strcmp(cmd, "noa") == 0) {
6002                 char *pos;
6003                 int count, start, duration;
6004                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
6005                 count = atoi(param);
6006                 pos = os_strchr(param, ',');
6007                 if (pos == NULL)
6008                         return -1;
6009                 pos++;
6010                 start = atoi(pos);
6011                 pos = os_strchr(pos, ',');
6012                 if (pos == NULL)
6013                         return -1;
6014                 pos++;
6015                 duration = atoi(pos);
6016                 if (count < 0 || count > 255 || start < 0 || duration < 0)
6017                         return -1;
6018                 if (count == 0 && duration > 0)
6019                         return -1;
6020                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
6021                            "start=%d duration=%d", count, start, duration);
6022                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
6023         }
6024
6025         if (os_strcmp(cmd, "ps") == 0)
6026                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
6027
6028         if (os_strcmp(cmd, "oppps") == 0)
6029                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
6030
6031         if (os_strcmp(cmd, "ctwindow") == 0)
6032                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
6033
6034         if (os_strcmp(cmd, "disabled") == 0) {
6035                 wpa_s->global->p2p_disabled = atoi(param);
6036                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
6037                            wpa_s->global->p2p_disabled ?
6038                            "disabled" : "enabled");
6039                 if (wpa_s->global->p2p_disabled) {
6040                         wpas_p2p_stop_find(wpa_s);
6041                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
6042                         p2p_flush(wpa_s->global->p2p);
6043                 }
6044                 return 0;
6045         }
6046
6047         if (os_strcmp(cmd, "conc_pref") == 0) {
6048                 if (os_strcmp(param, "sta") == 0)
6049                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
6050                 else if (os_strcmp(param, "p2p") == 0)
6051                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
6052                 else {
6053                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
6054                         return -1;
6055                 }
6056                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
6057                            "%s", param);
6058                 return 0;
6059         }
6060
6061         if (os_strcmp(cmd, "force_long_sd") == 0) {
6062                 wpa_s->force_long_sd = atoi(param);
6063                 return 0;
6064         }
6065
6066         if (os_strcmp(cmd, "peer_filter") == 0) {
6067                 u8 addr[ETH_ALEN];
6068                 if (hwaddr_aton(param, addr))
6069                         return -1;
6070                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
6071                 return 0;
6072         }
6073
6074         if (os_strcmp(cmd, "cross_connect") == 0)
6075                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
6076
6077         if (os_strcmp(cmd, "go_apsd") == 0) {
6078                 if (os_strcmp(param, "disable") == 0)
6079                         wpa_s->set_ap_uapsd = 0;
6080                 else {
6081                         wpa_s->set_ap_uapsd = 1;
6082                         wpa_s->ap_uapsd = atoi(param);
6083                 }
6084                 return 0;
6085         }
6086
6087         if (os_strcmp(cmd, "client_apsd") == 0) {
6088                 if (os_strcmp(param, "disable") == 0)
6089                         wpa_s->set_sta_uapsd = 0;
6090                 else {
6091                         int be, bk, vi, vo;
6092                         char *pos;
6093                         /* format: BE,BK,VI,VO;max SP Length */
6094                         be = atoi(param);
6095                         pos = os_strchr(param, ',');
6096                         if (pos == NULL)
6097                                 return -1;
6098                         pos++;
6099                         bk = atoi(pos);
6100                         pos = os_strchr(pos, ',');
6101                         if (pos == NULL)
6102                                 return -1;
6103                         pos++;
6104                         vi = atoi(pos);
6105                         pos = os_strchr(pos, ',');
6106                         if (pos == NULL)
6107                                 return -1;
6108                         pos++;
6109                         vo = atoi(pos);
6110                         /* ignore max SP Length for now */
6111
6112                         wpa_s->set_sta_uapsd = 1;
6113                         wpa_s->sta_uapsd = 0;
6114                         if (be)
6115                                 wpa_s->sta_uapsd |= BIT(0);
6116                         if (bk)
6117                                 wpa_s->sta_uapsd |= BIT(1);
6118                         if (vi)
6119                                 wpa_s->sta_uapsd |= BIT(2);
6120                         if (vo)
6121                                 wpa_s->sta_uapsd |= BIT(3);
6122                 }
6123                 return 0;
6124         }
6125
6126         if (os_strcmp(cmd, "disallow_freq") == 0)
6127                 return p2p_ctrl_disallow_freq(wpa_s, param);
6128
6129         if (os_strcmp(cmd, "disc_int") == 0) {
6130                 int min_disc_int, max_disc_int, max_disc_tu;
6131                 char *pos;
6132
6133                 pos = param;
6134
6135                 min_disc_int = atoi(pos);
6136                 pos = os_strchr(pos, ' ');
6137                 if (pos == NULL)
6138                         return -1;
6139                 *pos++ = '\0';
6140
6141                 max_disc_int = atoi(pos);
6142                 pos = os_strchr(pos, ' ');
6143                 if (pos == NULL)
6144                         return -1;
6145                 *pos++ = '\0';
6146
6147                 max_disc_tu = atoi(pos);
6148
6149                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
6150                                         max_disc_int, max_disc_tu);
6151         }
6152
6153         if (os_strcmp(cmd, "per_sta_psk") == 0) {
6154                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
6155                 return 0;
6156         }
6157
6158 #ifdef CONFIG_WPS_NFC
6159         if (os_strcmp(cmd, "nfc_tag") == 0)
6160                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
6161 #endif /* CONFIG_WPS_NFC */
6162
6163         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
6164                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
6165                 return 0;
6166         }
6167
6168         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
6169                    cmd);
6170
6171         return -1;
6172 }
6173
6174
6175 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
6176 {
6177         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
6178         wpa_s->force_long_sd = 0;
6179         wpas_p2p_stop_find(wpa_s);
6180         wpa_s->parent->p2ps_method_config_any = 0;
6181         if (wpa_s->global->p2p)
6182                 p2p_flush(wpa_s->global->p2p);
6183 }
6184
6185
6186 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
6187 {
6188         char *pos, *pos2;
6189         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
6190
6191         if (cmd[0]) {
6192                 pos = os_strchr(cmd, ' ');
6193                 if (pos == NULL)
6194                         return -1;
6195                 *pos++ = '\0';
6196                 dur1 = atoi(cmd);
6197
6198                 pos2 = os_strchr(pos, ' ');
6199                 if (pos2)
6200                         *pos2++ = '\0';
6201                 int1 = atoi(pos);
6202         } else
6203                 pos2 = NULL;
6204
6205         if (pos2) {
6206                 pos = os_strchr(pos2, ' ');
6207                 if (pos == NULL)
6208                         return -1;
6209                 *pos++ = '\0';
6210                 dur2 = atoi(pos2);
6211                 int2 = atoi(pos);
6212         }
6213
6214         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
6215 }
6216
6217
6218 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
6219 {
6220         char *pos;
6221         unsigned int period = 0, interval = 0;
6222
6223         if (cmd[0]) {
6224                 pos = os_strchr(cmd, ' ');
6225                 if (pos == NULL)
6226                         return -1;
6227                 *pos++ = '\0';
6228                 period = atoi(cmd);
6229                 interval = atoi(pos);
6230         }
6231
6232         return wpas_p2p_ext_listen(wpa_s, period, interval);
6233 }
6234
6235
6236 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
6237 {
6238         const char *pos;
6239         u8 peer[ETH_ALEN];
6240         int iface_addr = 0;
6241
6242         pos = cmd;
6243         if (os_strncmp(pos, "iface=", 6) == 0) {
6244                 iface_addr = 1;
6245                 pos += 6;
6246         }
6247         if (hwaddr_aton(pos, peer))
6248                 return -1;
6249
6250         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
6251         return 0;
6252 }
6253
6254
6255 static int p2p_ctrl_iface_p2p_lo_start(struct wpa_supplicant *wpa_s, char *cmd)
6256 {
6257         int freq = 0, period = 0, interval = 0, count = 0;
6258
6259         if (sscanf(cmd, "%d %d %d %d", &freq, &period, &interval, &count) != 4)
6260         {
6261                 wpa_printf(MSG_DEBUG,
6262                            "CTRL: Invalid P2P LO Start parameter: '%s'", cmd);
6263                 return -1;
6264         }
6265
6266         return wpas_p2p_lo_start(wpa_s, freq, period, interval, count);
6267 }
6268
6269 #endif /* CONFIG_P2P */
6270
6271
6272 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
6273 {
6274         struct wpa_freq_range_list ranges;
6275         int *freqs = NULL;
6276         struct hostapd_hw_modes *mode;
6277         u16 i;
6278
6279         if (wpa_s->hw.modes == NULL)
6280                 return NULL;
6281
6282         os_memset(&ranges, 0, sizeof(ranges));
6283         if (freq_range_list_parse(&ranges, val) < 0)
6284                 return NULL;
6285
6286         for (i = 0; i < wpa_s->hw.num_modes; i++) {
6287                 int j;
6288
6289                 mode = &wpa_s->hw.modes[i];
6290                 for (j = 0; j < mode->num_channels; j++) {
6291                         unsigned int freq;
6292
6293                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
6294                                 continue;
6295
6296                         freq = mode->channels[j].freq;
6297                         if (!freq_range_list_includes(&ranges, freq))
6298                                 continue;
6299
6300                         int_array_add_unique(&freqs, freq);
6301                 }
6302         }
6303
6304         os_free(ranges.range);
6305         return freqs;
6306 }
6307
6308
6309 #ifdef CONFIG_INTERWORKING
6310
6311 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
6312 {
6313         int auto_sel = 0;
6314         int *freqs = NULL;
6315
6316         if (param) {
6317                 char *pos;
6318
6319                 auto_sel = os_strstr(param, "auto") != NULL;
6320
6321                 pos = os_strstr(param, "freq=");
6322                 if (pos) {
6323                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
6324                         if (freqs == NULL)
6325                                 return -1;
6326                 }
6327
6328         }
6329
6330         return interworking_select(wpa_s, auto_sel, freqs);
6331 }
6332
6333
6334 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
6335                                      int only_add)
6336 {
6337         u8 bssid[ETH_ALEN];
6338         struct wpa_bss *bss;
6339
6340         if (hwaddr_aton(dst, bssid)) {
6341                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
6342                 return -1;
6343         }
6344
6345         bss = wpa_bss_get_bssid(wpa_s, bssid);
6346         if (bss == NULL) {
6347                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
6348                            MAC2STR(bssid));
6349                 return -1;
6350         }
6351
6352         if (bss->ssid_len == 0) {
6353                 int found = 0;
6354
6355                 wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
6356                            " does not have SSID information", MAC2STR(bssid));
6357
6358                 dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
6359                                          list) {
6360                         if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
6361                             bss->ssid_len > 0) {
6362                                 found = 1;
6363                                 break;
6364                         }
6365                 }
6366
6367                 if (!found)
6368                         return -1;
6369                 wpa_printf(MSG_DEBUG,
6370                            "Found another matching BSS entry with SSID");
6371         }
6372
6373         return interworking_connect(wpa_s, bss, only_add);
6374 }
6375
6376
6377 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
6378 {
6379         u8 dst_addr[ETH_ALEN];
6380         int used;
6381         char *pos;
6382 #define MAX_ANQP_INFO_ID 100
6383         u16 id[MAX_ANQP_INFO_ID];
6384         size_t num_id = 0;
6385         u32 subtypes = 0;
6386         int get_cell_pref = 0;
6387
6388         used = hwaddr_aton2(dst, dst_addr);
6389         if (used < 0)
6390                 return -1;
6391         pos = dst + used;
6392         if (*pos == ' ')
6393                 pos++;
6394         while (num_id < MAX_ANQP_INFO_ID) {
6395                 if (os_strncmp(pos, "hs20:", 5) == 0) {
6396 #ifdef CONFIG_HS20
6397                         int num = atoi(pos + 5);
6398                         if (num <= 0 || num > 31)
6399                                 return -1;
6400                         subtypes |= BIT(num);
6401 #else /* CONFIG_HS20 */
6402                         return -1;
6403 #endif /* CONFIG_HS20 */
6404                 } else if (os_strncmp(pos, "mbo:", 4) == 0) {
6405 #ifdef CONFIG_MBO
6406                         int num = atoi(pos + 4);
6407                         if (num != MBO_ANQP_SUBTYPE_CELL_CONN_PREF)
6408                                 return -1;
6409                         get_cell_pref = 1;
6410 #else /* CONFIG_MBO */
6411                         return -1;
6412 #endif /* CONFIG_MBO */
6413                 } else {
6414                         id[num_id] = atoi(pos);
6415                         if (id[num_id])
6416                                 num_id++;
6417                 }
6418                 pos = os_strchr(pos + 1, ',');
6419                 if (pos == NULL)
6420                         break;
6421                 pos++;
6422         }
6423
6424         if (num_id == 0)
6425                 return -1;
6426
6427         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes,
6428                              get_cell_pref);
6429 }
6430
6431
6432 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
6433 {
6434         u8 dst_addr[ETH_ALEN];
6435         struct wpabuf *advproto, *query = NULL;
6436         int used, ret = -1;
6437         char *pos, *end;
6438         size_t len;
6439
6440         used = hwaddr_aton2(cmd, dst_addr);
6441         if (used < 0)
6442                 return -1;
6443
6444         pos = cmd + used;
6445         while (*pos == ' ')
6446                 pos++;
6447
6448         /* Advertisement Protocol ID */
6449         end = os_strchr(pos, ' ');
6450         if (end)
6451                 len = end - pos;
6452         else
6453                 len = os_strlen(pos);
6454         if (len & 0x01)
6455                 return -1;
6456         len /= 2;
6457         if (len == 0)
6458                 return -1;
6459         advproto = wpabuf_alloc(len);
6460         if (advproto == NULL)
6461                 return -1;
6462         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
6463                 goto fail;
6464
6465         if (end) {
6466                 /* Optional Query Request */
6467                 pos = end + 1;
6468                 while (*pos == ' ')
6469                         pos++;
6470
6471                 len = os_strlen(pos);
6472                 if (len) {
6473                         if (len & 0x01)
6474                                 goto fail;
6475                         len /= 2;
6476                         if (len == 0)
6477                                 goto fail;
6478                         query = wpabuf_alloc(len);
6479                         if (query == NULL)
6480                                 goto fail;
6481                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
6482                                 goto fail;
6483                 }
6484         }
6485
6486         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
6487
6488 fail:
6489         wpabuf_free(advproto);
6490         wpabuf_free(query);
6491
6492         return ret;
6493 }
6494
6495
6496 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
6497                             size_t buflen)
6498 {
6499         u8 addr[ETH_ALEN];
6500         int dialog_token;
6501         int used;
6502         char *pos;
6503         size_t resp_len, start, requested_len;
6504         struct wpabuf *resp;
6505         int ret;
6506
6507         used = hwaddr_aton2(cmd, addr);
6508         if (used < 0)
6509                 return -1;
6510
6511         pos = cmd + used;
6512         while (*pos == ' ')
6513                 pos++;
6514         dialog_token = atoi(pos);
6515
6516         if (wpa_s->last_gas_resp &&
6517             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
6518             dialog_token == wpa_s->last_gas_dialog_token)
6519                 resp = wpa_s->last_gas_resp;
6520         else if (wpa_s->prev_gas_resp &&
6521                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
6522                  dialog_token == wpa_s->prev_gas_dialog_token)
6523                 resp = wpa_s->prev_gas_resp;
6524         else
6525                 return -1;
6526
6527         resp_len = wpabuf_len(resp);
6528         start = 0;
6529         requested_len = resp_len;
6530
6531         pos = os_strchr(pos, ' ');
6532         if (pos) {
6533                 start = atoi(pos);
6534                 if (start > resp_len)
6535                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6536                 pos = os_strchr(pos, ',');
6537                 if (pos == NULL)
6538                         return -1;
6539                 pos++;
6540                 requested_len = atoi(pos);
6541                 if (start + requested_len > resp_len)
6542                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6543         }
6544
6545         if (requested_len * 2 + 1 > buflen)
6546                 return os_snprintf(buf, buflen, "FAIL-Too long response");
6547
6548         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
6549                                requested_len);
6550
6551         if (start + requested_len == resp_len) {
6552                 /*
6553                  * Free memory by dropping the response after it has been
6554                  * fetched.
6555                  */
6556                 if (resp == wpa_s->prev_gas_resp) {
6557                         wpabuf_free(wpa_s->prev_gas_resp);
6558                         wpa_s->prev_gas_resp = NULL;
6559                 } else {
6560                         wpabuf_free(wpa_s->last_gas_resp);
6561                         wpa_s->last_gas_resp = NULL;
6562                 }
6563         }
6564
6565         return ret;
6566 }
6567 #endif /* CONFIG_INTERWORKING */
6568
6569
6570 #ifdef CONFIG_HS20
6571
6572 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
6573 {
6574         u8 dst_addr[ETH_ALEN];
6575         int used;
6576         char *pos;
6577         u32 subtypes = 0;
6578
6579         used = hwaddr_aton2(dst, dst_addr);
6580         if (used < 0)
6581                 return -1;
6582         pos = dst + used;
6583         if (*pos == ' ')
6584                 pos++;
6585         for (;;) {
6586                 int num = atoi(pos);
6587                 if (num <= 0 || num > 31)
6588                         return -1;
6589                 subtypes |= BIT(num);
6590                 pos = os_strchr(pos + 1, ',');
6591                 if (pos == NULL)
6592                         break;
6593                 pos++;
6594         }
6595
6596         if (subtypes == 0)
6597                 return -1;
6598
6599         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0, 0);
6600 }
6601
6602
6603 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6604                                     const u8 *addr, const char *realm)
6605 {
6606         u8 *buf;
6607         size_t rlen, len;
6608         int ret;
6609
6610         rlen = os_strlen(realm);
6611         len = 3 + rlen;
6612         buf = os_malloc(len);
6613         if (buf == NULL)
6614                 return -1;
6615         buf[0] = 1; /* NAI Home Realm Count */
6616         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
6617         buf[2] = rlen;
6618         os_memcpy(buf + 3, realm, rlen);
6619
6620         ret = hs20_anqp_send_req(wpa_s, addr,
6621                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6622                                  buf, len, 0);
6623
6624         os_free(buf);
6625
6626         return ret;
6627 }
6628
6629
6630 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6631                                         char *dst)
6632 {
6633         struct wpa_cred *cred = wpa_s->conf->cred;
6634         u8 dst_addr[ETH_ALEN];
6635         int used;
6636         u8 *buf;
6637         size_t len;
6638         int ret;
6639
6640         used = hwaddr_aton2(dst, dst_addr);
6641         if (used < 0)
6642                 return -1;
6643
6644         while (dst[used] == ' ')
6645                 used++;
6646         if (os_strncmp(dst + used, "realm=", 6) == 0)
6647                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
6648                                                 dst + used + 6);
6649
6650         len = os_strlen(dst + used);
6651
6652         if (len == 0 && cred && cred->realm)
6653                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
6654
6655         if (len & 1)
6656                 return -1;
6657         len /= 2;
6658         buf = os_malloc(len);
6659         if (buf == NULL)
6660                 return -1;
6661         if (hexstr2bin(dst + used, buf, len) < 0) {
6662                 os_free(buf);
6663                 return -1;
6664         }
6665
6666         ret = hs20_anqp_send_req(wpa_s, dst_addr,
6667                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6668                                  buf, len, 0);
6669         os_free(buf);
6670
6671         return ret;
6672 }
6673
6674
6675 static int get_hs20_icon(struct wpa_supplicant *wpa_s, char *cmd, char *reply,
6676                          int buflen)
6677 {
6678         u8 dst_addr[ETH_ALEN];
6679         int used;
6680         char *ctx = NULL, *icon, *poffset, *psize;
6681
6682         used = hwaddr_aton2(cmd, dst_addr);
6683         if (used < 0)
6684                 return -1;
6685         cmd += used;
6686
6687         icon = str_token(cmd, " ", &ctx);
6688         poffset = str_token(cmd, " ", &ctx);
6689         psize = str_token(cmd, " ", &ctx);
6690         if (!icon || !poffset || !psize)
6691                 return -1;
6692
6693         wpa_s->fetch_osu_icon_in_progress = 0;
6694         return hs20_get_icon(wpa_s, dst_addr, icon, atoi(poffset), atoi(psize),
6695                              reply, buflen);
6696 }
6697
6698
6699 static int del_hs20_icon(struct wpa_supplicant *wpa_s, char *cmd)
6700 {
6701         u8 dst_addr[ETH_ALEN];
6702         int used;
6703         char *icon;
6704
6705         if (!cmd[0])
6706                 return hs20_del_icon(wpa_s, NULL, NULL);
6707
6708         used = hwaddr_aton2(cmd, dst_addr);
6709         if (used < 0)
6710                 return -1;
6711
6712         while (cmd[used] == ' ')
6713                 used++;
6714         icon = cmd[used] ? &cmd[used] : NULL;
6715
6716         return hs20_del_icon(wpa_s, dst_addr, icon);
6717 }
6718
6719
6720 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd, int inmem)
6721 {
6722         u8 dst_addr[ETH_ALEN];
6723         int used;
6724         char *icon;
6725
6726         used = hwaddr_aton2(cmd, dst_addr);
6727         if (used < 0)
6728                 return -1;
6729
6730         while (cmd[used] == ' ')
6731                 used++;
6732         icon = &cmd[used];
6733
6734         wpa_s->fetch_osu_icon_in_progress = 0;
6735         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
6736                                   (u8 *) icon, os_strlen(icon), inmem);
6737 }
6738
6739 #endif /* CONFIG_HS20 */
6740
6741
6742 #ifdef CONFIG_AUTOSCAN
6743
6744 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
6745                                               char *cmd)
6746 {
6747         enum wpa_states state = wpa_s->wpa_state;
6748         char *new_params = NULL;
6749
6750         if (os_strlen(cmd) > 0) {
6751                 new_params = os_strdup(cmd);
6752                 if (new_params == NULL)
6753                         return -1;
6754         }
6755
6756         os_free(wpa_s->conf->autoscan);
6757         wpa_s->conf->autoscan = new_params;
6758
6759         if (wpa_s->conf->autoscan == NULL)
6760                 autoscan_deinit(wpa_s);
6761         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
6762                 autoscan_init(wpa_s, 1);
6763         else if (state == WPA_SCANNING)
6764                 wpa_supplicant_reinit_autoscan(wpa_s);
6765
6766         return 0;
6767 }
6768
6769 #endif /* CONFIG_AUTOSCAN */
6770
6771
6772 #ifdef CONFIG_WNM
6773
6774 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
6775 {
6776         int enter;
6777         int intval = 0;
6778         char *pos;
6779         int ret;
6780         struct wpabuf *tfs_req = NULL;
6781
6782         if (os_strncmp(cmd, "enter", 5) == 0)
6783                 enter = 1;
6784         else if (os_strncmp(cmd, "exit", 4) == 0)
6785                 enter = 0;
6786         else
6787                 return -1;
6788
6789         pos = os_strstr(cmd, " interval=");
6790         if (pos)
6791                 intval = atoi(pos + 10);
6792
6793         pos = os_strstr(cmd, " tfs_req=");
6794         if (pos) {
6795                 char *end;
6796                 size_t len;
6797                 pos += 9;
6798                 end = os_strchr(pos, ' ');
6799                 if (end)
6800                         len = end - pos;
6801                 else
6802                         len = os_strlen(pos);
6803                 if (len & 1)
6804                         return -1;
6805                 len /= 2;
6806                 tfs_req = wpabuf_alloc(len);
6807                 if (tfs_req == NULL)
6808                         return -1;
6809                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
6810                         wpabuf_free(tfs_req);
6811                         return -1;
6812                 }
6813         }
6814
6815         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
6816                                            WNM_SLEEP_MODE_EXIT, intval,
6817                                            tfs_req);
6818         wpabuf_free(tfs_req);
6819
6820         return ret;
6821 }
6822
6823
6824 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
6825 {
6826         int query_reason, list = 0;
6827
6828         query_reason = atoi(cmd);
6829
6830         cmd = os_strchr(cmd, ' ');
6831         if (cmd) {
6832                 cmd++;
6833                 if (os_strncmp(cmd, "list", 4) == 0) {
6834                         list = 1;
6835                 } else {
6836                         wpa_printf(MSG_DEBUG, "WNM Query: Invalid option %s",
6837                                    cmd);
6838                         return -1;
6839                 }
6840         }
6841
6842         wpa_printf(MSG_DEBUG,
6843                    "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d%s",
6844                    query_reason, list ? " candidate list" : "");
6845
6846         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason, list);
6847 }
6848
6849 #endif /* CONFIG_WNM */
6850
6851
6852 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
6853                                       size_t buflen)
6854 {
6855         struct wpa_signal_info si;
6856         int ret;
6857         char *pos, *end;
6858
6859         ret = wpa_drv_signal_poll(wpa_s, &si);
6860         if (ret)
6861                 return -1;
6862
6863         pos = buf;
6864         end = buf + buflen;
6865
6866         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
6867                           "NOISE=%d\nFREQUENCY=%u\n",
6868                           si.current_signal, si.current_txrate / 1000,
6869                           si.current_noise, si.frequency);
6870         if (os_snprintf_error(end - pos, ret))
6871                 return -1;
6872         pos += ret;
6873
6874         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
6875                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
6876                                   channel_width_to_string(si.chanwidth));
6877                 if (os_snprintf_error(end - pos, ret))
6878                         return -1;
6879                 pos += ret;
6880         }
6881
6882         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
6883                 ret = os_snprintf(pos, end - pos,
6884                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
6885                                   si.center_frq1, si.center_frq2);
6886                 if (os_snprintf_error(end - pos, ret))
6887                         return -1;
6888                 pos += ret;
6889         }
6890
6891         if (si.avg_signal) {
6892                 ret = os_snprintf(pos, end - pos,
6893                                   "AVG_RSSI=%d\n", si.avg_signal);
6894                 if (os_snprintf_error(end - pos, ret))
6895                         return -1;
6896                 pos += ret;
6897         }
6898
6899         if (si.avg_beacon_signal) {
6900                 ret = os_snprintf(pos, end - pos,
6901                                   "AVG_BEACON_RSSI=%d\n", si.avg_beacon_signal);
6902                 if (os_snprintf_error(end - pos, ret))
6903                         return -1;
6904                 pos += ret;
6905         }
6906
6907         return pos - buf;
6908 }
6909
6910
6911 static int wpas_ctrl_iface_signal_monitor(struct wpa_supplicant *wpa_s,
6912                                           const char *cmd)
6913 {
6914         const char *pos;
6915         int threshold = 0;
6916         int hysteresis = 0;
6917
6918         if (wpa_s->bgscan && wpa_s->bgscan_priv) {
6919                 wpa_printf(MSG_DEBUG,
6920                            "Reject SIGNAL_MONITOR command - bgscan is active");
6921                 return -1;
6922         }
6923         pos = os_strstr(cmd, "THRESHOLD=");
6924         if (pos)
6925                 threshold = atoi(pos + 10);
6926         pos = os_strstr(cmd, "HYSTERESIS=");
6927         if (pos)
6928                 hysteresis = atoi(pos + 11);
6929         return wpa_drv_signal_monitor(wpa_s, threshold, hysteresis);
6930 }
6931
6932
6933 static int wpas_ctrl_iface_get_pref_freq_list(
6934         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
6935 {
6936         unsigned int freq_list[100], num = 100, i;
6937         int ret;
6938         enum wpa_driver_if_type iface_type;
6939         char *pos, *end;
6940
6941         pos = buf;
6942         end = buf + buflen;
6943
6944         /* buf: "<interface_type>" */
6945         if (os_strcmp(cmd, "STATION") == 0)
6946                 iface_type = WPA_IF_STATION;
6947         else if (os_strcmp(cmd, "AP") == 0)
6948                 iface_type = WPA_IF_AP_BSS;
6949         else if (os_strcmp(cmd, "P2P_GO") == 0)
6950                 iface_type = WPA_IF_P2P_GO;
6951         else if (os_strcmp(cmd, "P2P_CLIENT") == 0)
6952                 iface_type = WPA_IF_P2P_CLIENT;
6953         else if (os_strcmp(cmd, "IBSS") == 0)
6954                 iface_type = WPA_IF_IBSS;
6955         else if (os_strcmp(cmd, "TDLS") == 0)
6956                 iface_type = WPA_IF_TDLS;
6957         else
6958                 return -1;
6959
6960         wpa_printf(MSG_DEBUG,
6961                    "CTRL_IFACE: GET_PREF_FREQ_LIST iface_type=%d (%s)",
6962                    iface_type, buf);
6963
6964         ret = wpa_drv_get_pref_freq_list(wpa_s, iface_type, &num, freq_list);
6965         if (ret)
6966                 return -1;
6967
6968         for (i = 0; i < num; i++) {
6969                 ret = os_snprintf(pos, end - pos, "%s%u",
6970                                   i > 0 ? "," : "", freq_list[i]);
6971                 if (os_snprintf_error(end - pos, ret))
6972                         return -1;
6973                 pos += ret;
6974         }
6975
6976         return pos - buf;
6977 }
6978
6979
6980 static int wpas_ctrl_iface_driver_flags(struct wpa_supplicant *wpa_s,
6981                                         char *buf, size_t buflen)
6982 {
6983         int ret, i;
6984         char *pos, *end;
6985
6986         ret = os_snprintf(buf, buflen, "%016llX:\n",
6987                           (long long unsigned) wpa_s->drv_flags);
6988         if (os_snprintf_error(buflen, ret))
6989                 return -1;
6990
6991         pos = buf + ret;
6992         end = buf + buflen;
6993
6994         for (i = 0; i < 64; i++) {
6995                 if (wpa_s->drv_flags & (1LLU << i)) {
6996                         ret = os_snprintf(pos, end - pos, "%s\n",
6997                                           driver_flag_to_string(1LLU << i));
6998                         if (os_snprintf_error(end - pos, ret))
6999                                 return -1;
7000                         pos += ret;
7001                 }
7002         }
7003
7004         return pos - buf;
7005 }
7006
7007
7008 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
7009                                       size_t buflen)
7010 {
7011         struct hostap_sta_driver_data sta;
7012         int ret;
7013
7014         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
7015         if (ret)
7016                 return -1;
7017
7018         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
7019                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
7020         if (os_snprintf_error(buflen, ret))
7021                 return -1;
7022         return ret;
7023 }
7024
7025
7026 #ifdef ANDROID
7027 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
7028                                      char *buf, size_t buflen)
7029 {
7030         int ret;
7031
7032         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
7033         if (ret == 0) {
7034                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
7035                         struct p2p_data *p2p = wpa_s->global->p2p;
7036                         if (p2p) {
7037                                 char country[3];
7038                                 country[0] = cmd[8];
7039                                 country[1] = cmd[9];
7040                                 country[2] = 0x04;
7041                                 p2p_set_country(p2p, country);
7042                         }
7043                 }
7044                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
7045                 if (os_snprintf_error(buflen, ret))
7046                         ret = -1;
7047         }
7048         return ret;
7049 }
7050 #endif /* ANDROID */
7051
7052
7053 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
7054                                      char *buf, size_t buflen)
7055 {
7056         int ret;
7057         char *pos;
7058         u8 *data = NULL;
7059         unsigned int vendor_id, subcmd;
7060         struct wpabuf *reply;
7061         size_t data_len = 0;
7062
7063         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
7064         vendor_id = strtoul(cmd, &pos, 16);
7065         if (!isblank((unsigned char) *pos))
7066                 return -EINVAL;
7067
7068         subcmd = strtoul(pos, &pos, 10);
7069
7070         if (*pos != '\0') {
7071                 if (!isblank((unsigned char) *pos++))
7072                         return -EINVAL;
7073                 data_len = os_strlen(pos);
7074         }
7075
7076         if (data_len) {
7077                 data_len /= 2;
7078                 data = os_malloc(data_len);
7079                 if (!data)
7080                         return -1;
7081
7082                 if (hexstr2bin(pos, data, data_len)) {
7083                         wpa_printf(MSG_DEBUG,
7084                                    "Vendor command: wrong parameter format");
7085                         os_free(data);
7086                         return -EINVAL;
7087                 }
7088         }
7089
7090         reply = wpabuf_alloc((buflen - 1) / 2);
7091         if (!reply) {
7092                 os_free(data);
7093                 return -1;
7094         }
7095
7096         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
7097                                  reply);
7098
7099         if (ret == 0)
7100                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
7101                                        wpabuf_len(reply));
7102
7103         wpabuf_free(reply);
7104         os_free(data);
7105
7106         return ret;
7107 }
7108
7109
7110 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
7111 {
7112 #ifdef CONFIG_P2P
7113         struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
7114                 wpa_s->global->p2p_init_wpa_s : wpa_s;
7115 #endif /* CONFIG_P2P */
7116
7117         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
7118
7119         wpas_abort_ongoing_scan(wpa_s);
7120
7121         if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
7122                 /*
7123                  * Avoid possible auto connect re-connection on getting
7124                  * disconnected due to state flush.
7125                  */
7126                 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
7127         }
7128
7129 #ifdef CONFIG_P2P
7130         wpas_p2p_group_remove(p2p_wpa_s, "*");
7131         wpas_p2p_cancel(p2p_wpa_s);
7132         p2p_ctrl_flush(p2p_wpa_s);
7133         wpas_p2p_service_flush(p2p_wpa_s);
7134         p2p_wpa_s->global->p2p_disabled = 0;
7135         p2p_wpa_s->global->p2p_per_sta_psk = 0;
7136         p2p_wpa_s->conf->num_sec_device_types = 0;
7137         p2p_wpa_s->p2p_disable_ip_addr_req = 0;
7138         os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
7139         p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
7140         p2p_wpa_s->global->p2p_go_avoid_freq.num = 0;
7141         p2p_wpa_s->global->pending_p2ps_group = 0;
7142         p2p_wpa_s->global->pending_p2ps_group_freq = 0;
7143 #endif /* CONFIG_P2P */
7144
7145 #ifdef CONFIG_WPS_TESTING
7146         wps_version_number = 0x20;
7147         wps_testing_dummy_cred = 0;
7148         wps_corrupt_pkhash = 0;
7149         wps_force_auth_types_in_use = 0;
7150         wps_force_encr_types_in_use = 0;
7151 #endif /* CONFIG_WPS_TESTING */
7152 #ifdef CONFIG_WPS
7153         wpa_s->wps_fragment_size = 0;
7154         wpas_wps_cancel(wpa_s);
7155         wps_registrar_flush(wpa_s->wps->registrar);
7156 #endif /* CONFIG_WPS */
7157         wpa_s->after_wps = 0;
7158         wpa_s->known_wps_freq = 0;
7159
7160 #ifdef CONFIG_TDLS
7161 #ifdef CONFIG_TDLS_TESTING
7162         tdls_testing = 0;
7163 #endif /* CONFIG_TDLS_TESTING */
7164         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
7165         wpa_tdls_enable(wpa_s->wpa, 1);
7166 #endif /* CONFIG_TDLS */
7167
7168         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
7169         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
7170
7171         wpa_s->no_keep_alive = 0;
7172         wpa_s->own_disconnect_req = 0;
7173
7174         os_free(wpa_s->disallow_aps_bssid);
7175         wpa_s->disallow_aps_bssid = NULL;
7176         wpa_s->disallow_aps_bssid_count = 0;
7177         os_free(wpa_s->disallow_aps_ssid);
7178         wpa_s->disallow_aps_ssid = NULL;
7179         wpa_s->disallow_aps_ssid_count = 0;
7180
7181         wpa_s->set_sta_uapsd = 0;
7182         wpa_s->sta_uapsd = 0;
7183
7184         wpa_drv_radio_disable(wpa_s, 0);
7185         wpa_blacklist_clear(wpa_s);
7186         wpa_s->extra_blacklist_count = 0;
7187         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
7188         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
7189         wpa_config_flush_blobs(wpa_s->conf);
7190         wpa_s->conf->auto_interworking = 0;
7191         wpa_s->conf->okc = 0;
7192
7193         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
7194         rsn_preauth_deinit(wpa_s->wpa);
7195
7196         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
7197         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
7198         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
7199         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
7200
7201         radio_remove_works(wpa_s, NULL, 1);
7202         wpa_s->ext_work_in_progress = 0;
7203
7204         wpa_s->next_ssid = NULL;
7205
7206 #ifdef CONFIG_INTERWORKING
7207 #ifdef CONFIG_HS20
7208         hs20_cancel_fetch_osu(wpa_s);
7209         hs20_del_icon(wpa_s, NULL, NULL);
7210 #endif /* CONFIG_HS20 */
7211 #endif /* CONFIG_INTERWORKING */
7212
7213         wpa_s->ext_mgmt_frame_handling = 0;
7214         wpa_s->ext_eapol_frame_io = 0;
7215 #ifdef CONFIG_TESTING_OPTIONS
7216         wpa_s->extra_roc_dur = 0;
7217         wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
7218         wpa_s->p2p_go_csa_on_inv = 0;
7219         wpa_s->ignore_auth_resp = 0;
7220         wpa_s->ignore_assoc_disallow = 0;
7221         wpa_s->reject_btm_req_reason = 0;
7222         wpa_sm_set_test_assoc_ie(wpa_s->wpa, NULL);
7223 #endif /* CONFIG_TESTING_OPTIONS */
7224
7225         wpa_s->disconnected = 0;
7226         os_free(wpa_s->next_scan_freqs);
7227         wpa_s->next_scan_freqs = NULL;
7228
7229         wpa_bss_flush(wpa_s);
7230         if (!dl_list_empty(&wpa_s->bss)) {
7231                 wpa_printf(MSG_DEBUG,
7232                            "BSS table not empty after flush: %u entries, current_bss=%p bssid="
7233                            MACSTR " pending_bssid=" MACSTR,
7234                            dl_list_len(&wpa_s->bss), wpa_s->current_bss,
7235                            MAC2STR(wpa_s->bssid),
7236                            MAC2STR(wpa_s->pending_bssid));
7237         }
7238
7239         eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
7240         wpa_s->wnmsleep_used = 0;
7241
7242 #ifdef CONFIG_SME
7243         wpa_s->sme.last_unprot_disconnect.sec = 0;
7244 #endif /* CONFIG_SME */
7245 }
7246
7247
7248 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
7249                                      char *buf, size_t buflen)
7250 {
7251         struct wpa_radio_work *work;
7252         char *pos, *end;
7253         struct os_reltime now, diff;
7254
7255         pos = buf;
7256         end = buf + buflen;
7257
7258         os_get_reltime(&now);
7259
7260         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
7261         {
7262                 int ret;
7263
7264                 os_reltime_sub(&now, &work->time, &diff);
7265                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
7266                                   work->type, work->wpa_s->ifname, work->freq,
7267                                   work->started, diff.sec, diff.usec);
7268                 if (os_snprintf_error(end - pos, ret))
7269                         break;
7270                 pos += ret;
7271         }
7272
7273         return pos - buf;
7274 }
7275
7276
7277 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
7278 {
7279         struct wpa_radio_work *work = eloop_ctx;
7280         struct wpa_external_work *ework = work->ctx;
7281
7282         wpa_dbg(work->wpa_s, MSG_DEBUG,
7283                 "Timing out external radio work %u (%s)",
7284                 ework->id, work->type);
7285         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
7286         work->wpa_s->ext_work_in_progress = 0;
7287         radio_work_done(work);
7288         os_free(ework);
7289 }
7290
7291
7292 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
7293 {
7294         struct wpa_external_work *ework = work->ctx;
7295
7296         if (deinit) {
7297                 if (work->started)
7298                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
7299                                              work, NULL);
7300
7301                 /*
7302                  * work->type points to a buffer in ework, so need to replace
7303                  * that here with a fixed string to avoid use of freed memory
7304                  * in debug prints.
7305                  */
7306                 work->type = "freed-ext-work";
7307                 work->ctx = NULL;
7308                 os_free(ework);
7309                 return;
7310         }
7311
7312         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
7313                 ework->id, ework->type);
7314         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
7315         work->wpa_s->ext_work_in_progress = 1;
7316         if (!ework->timeout)
7317                 ework->timeout = 10;
7318         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
7319                                work, NULL);
7320 }
7321
7322
7323 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
7324                                     char *buf, size_t buflen)
7325 {
7326         struct wpa_external_work *ework;
7327         char *pos, *pos2;
7328         size_t type_len;
7329         int ret;
7330         unsigned int freq = 0;
7331
7332         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
7333
7334         ework = os_zalloc(sizeof(*ework));
7335         if (ework == NULL)
7336                 return -1;
7337
7338         pos = os_strchr(cmd, ' ');
7339         if (pos) {
7340                 type_len = pos - cmd;
7341                 pos++;
7342
7343                 pos2 = os_strstr(pos, "freq=");
7344                 if (pos2)
7345                         freq = atoi(pos2 + 5);
7346
7347                 pos2 = os_strstr(pos, "timeout=");
7348                 if (pos2)
7349                         ework->timeout = atoi(pos2 + 8);
7350         } else {
7351                 type_len = os_strlen(cmd);
7352         }
7353         if (4 + type_len >= sizeof(ework->type))
7354                 type_len = sizeof(ework->type) - 4 - 1;
7355         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
7356         os_memcpy(ework->type + 4, cmd, type_len);
7357         ework->type[4 + type_len] = '\0';
7358
7359         wpa_s->ext_work_id++;
7360         if (wpa_s->ext_work_id == 0)
7361                 wpa_s->ext_work_id++;
7362         ework->id = wpa_s->ext_work_id;
7363
7364         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
7365                            ework) < 0) {
7366                 os_free(ework);
7367                 return -1;
7368         }
7369
7370         ret = os_snprintf(buf, buflen, "%u", ework->id);
7371         if (os_snprintf_error(buflen, ret))
7372                 return -1;
7373         return ret;
7374 }
7375
7376
7377 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
7378 {
7379         struct wpa_radio_work *work;
7380         unsigned int id = atoi(cmd);
7381
7382         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
7383         {
7384                 struct wpa_external_work *ework;
7385
7386                 if (os_strncmp(work->type, "ext:", 4) != 0)
7387                         continue;
7388                 ework = work->ctx;
7389                 if (id && ework->id != id)
7390                         continue;
7391                 wpa_dbg(wpa_s, MSG_DEBUG,
7392                         "Completed external radio work %u (%s)",
7393                         ework->id, ework->type);
7394                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
7395                 wpa_s->ext_work_in_progress = 0;
7396                 radio_work_done(work);
7397                 os_free(ework);
7398                 return 3; /* "OK\n" */
7399         }
7400
7401         return -1;
7402 }
7403
7404
7405 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
7406                                 char *buf, size_t buflen)
7407 {
7408         if (os_strcmp(cmd, "show") == 0)
7409                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
7410         if (os_strncmp(cmd, "add ", 4) == 0)
7411                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
7412         if (os_strncmp(cmd, "done ", 5) == 0)
7413                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
7414         return -1;
7415 }
7416
7417
7418 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
7419 {
7420         struct wpa_radio_work *work, *tmp;
7421
7422         if (!wpa_s || !wpa_s->radio)
7423                 return;
7424
7425         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
7426                               struct wpa_radio_work, list) {
7427                 struct wpa_external_work *ework;
7428
7429                 if (os_strncmp(work->type, "ext:", 4) != 0)
7430                         continue;
7431                 ework = work->ctx;
7432                 wpa_dbg(wpa_s, MSG_DEBUG,
7433                         "Flushing%s external radio work %u (%s)",
7434                         work->started ? " started" : "", ework->id,
7435                         ework->type);
7436                 if (work->started)
7437                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
7438                                              work, NULL);
7439                 radio_work_done(work);
7440                 os_free(ework);
7441         }
7442 }
7443
7444
7445 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
7446 {
7447         struct wpa_supplicant *wpa_s = eloop_ctx;
7448         eapol_sm_notify_ctrl_response(wpa_s->eapol);
7449 }
7450
7451
7452 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
7453                               unsigned int *scan_id_count, int scan_id[])
7454 {
7455         const char *pos = value;
7456
7457         while (pos) {
7458                 if (*pos == ' ' || *pos == '\0')
7459                         break;
7460                 if (*scan_id_count == MAX_SCAN_ID)
7461                         return -1;
7462                 scan_id[(*scan_id_count)++] = atoi(pos);
7463                 pos = os_strchr(pos, ',');
7464                 if (pos)
7465                         pos++;
7466         }
7467
7468         return 0;
7469 }
7470
7471
7472 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
7473                            char *reply, int reply_size, int *reply_len)
7474 {
7475         char *pos;
7476         unsigned int manual_scan_passive = 0;
7477         unsigned int manual_scan_use_id = 0;
7478         unsigned int manual_scan_only_new = 0;
7479         unsigned int scan_only = 0;
7480         unsigned int scan_id_count = 0;
7481         int scan_id[MAX_SCAN_ID];
7482         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
7483                                  struct wpa_scan_results *scan_res);
7484         int *manual_scan_freqs = NULL;
7485         struct wpa_ssid_value *ssid = NULL, *ns;
7486         unsigned int ssid_count = 0;
7487
7488         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
7489                 *reply_len = -1;
7490                 return;
7491         }
7492
7493         if (radio_work_pending(wpa_s, "scan")) {
7494                 wpa_printf(MSG_DEBUG,
7495                            "Pending scan scheduled - reject new request");
7496                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7497                 return;
7498         }
7499
7500 #ifdef CONFIG_INTERWORKING
7501         if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) {
7502                 wpa_printf(MSG_DEBUG,
7503                            "Interworking select in progress - reject new scan");
7504                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7505                 return;
7506         }
7507 #endif /* CONFIG_INTERWORKING */
7508
7509         if (params) {
7510                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
7511                         scan_only = 1;
7512
7513                 pos = os_strstr(params, "freq=");
7514                 if (pos) {
7515                         manual_scan_freqs = freq_range_to_channel_list(wpa_s,
7516                                                                        pos + 5);
7517                         if (manual_scan_freqs == NULL) {
7518                                 *reply_len = -1;
7519                                 goto done;
7520                         }
7521                 }
7522
7523                 pos = os_strstr(params, "passive=");
7524                 if (pos)
7525                         manual_scan_passive = !!atoi(pos + 8);
7526
7527                 pos = os_strstr(params, "use_id=");
7528                 if (pos)
7529                         manual_scan_use_id = atoi(pos + 7);
7530
7531                 pos = os_strstr(params, "only_new=1");
7532                 if (pos)
7533                         manual_scan_only_new = 1;
7534
7535                 pos = os_strstr(params, "scan_id=");
7536                 if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
7537                                               scan_id) < 0) {
7538                         *reply_len = -1;
7539                         goto done;
7540                 }
7541
7542                 pos = params;
7543                 while (pos && *pos != '\0') {
7544                         if (os_strncmp(pos, "ssid ", 5) == 0) {
7545                                 char *end;
7546
7547                                 pos += 5;
7548                                 end = pos;
7549                                 while (*end) {
7550                                         if (*end == '\0' || *end == ' ')
7551                                                 break;
7552                                         end++;
7553                                 }
7554
7555                                 ns = os_realloc_array(
7556                                         ssid, ssid_count + 1,
7557                                         sizeof(struct wpa_ssid_value));
7558                                 if (ns == NULL) {
7559                                         *reply_len = -1;
7560                                         goto done;
7561                                 }
7562                                 ssid = ns;
7563
7564                                 if ((end - pos) & 0x01 ||
7565                                     end - pos > 2 * SSID_MAX_LEN ||
7566                                     hexstr2bin(pos, ssid[ssid_count].ssid,
7567                                                (end - pos) / 2) < 0) {
7568                                         wpa_printf(MSG_DEBUG,
7569                                                    "Invalid SSID value '%s'",
7570                                                    pos);
7571                                         *reply_len = -1;
7572                                         goto done;
7573                                 }
7574                                 ssid[ssid_count].ssid_len = (end - pos) / 2;
7575                                 wpa_hexdump_ascii(MSG_DEBUG, "scan SSID",
7576                                                   ssid[ssid_count].ssid,
7577                                                   ssid[ssid_count].ssid_len);
7578                                 ssid_count++;
7579                                 pos = end;
7580                         }
7581
7582                         pos = os_strchr(pos, ' ');
7583                         if (pos)
7584                                 pos++;
7585                 }
7586         }
7587
7588         wpa_s->num_ssids_from_scan_req = ssid_count;
7589         os_free(wpa_s->ssids_from_scan_req);
7590         if (ssid_count) {
7591                 wpa_s->ssids_from_scan_req = ssid;
7592                 ssid = NULL;
7593         } else {
7594                 wpa_s->ssids_from_scan_req = NULL;
7595         }
7596
7597         if (scan_only)
7598                 scan_res_handler = scan_only_handler;
7599         else if (wpa_s->scan_res_handler == scan_only_handler)
7600                 scan_res_handler = NULL;
7601         else
7602                 scan_res_handler = wpa_s->scan_res_handler;
7603
7604         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
7605             ((wpa_s->wpa_state <= WPA_SCANNING) ||
7606              (wpa_s->wpa_state == WPA_COMPLETED))) {
7607                 wpa_s->manual_scan_passive = manual_scan_passive;
7608                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7609                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7610                 wpa_s->scan_id_count = scan_id_count;
7611                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7612                 wpa_s->scan_res_handler = scan_res_handler;
7613                 os_free(wpa_s->manual_scan_freqs);
7614                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7615                 manual_scan_freqs = NULL;
7616
7617                 wpa_s->normal_scans = 0;
7618                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7619                 wpa_s->after_wps = 0;
7620                 wpa_s->known_wps_freq = 0;
7621                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7622                 if (wpa_s->manual_scan_use_id) {
7623                         wpa_s->manual_scan_id++;
7624                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7625                                 wpa_s->manual_scan_id);
7626                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7627                                                  wpa_s->manual_scan_id);
7628                 }
7629         } else if (wpa_s->sched_scanning) {
7630                 wpa_s->manual_scan_passive = manual_scan_passive;
7631                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7632                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7633                 wpa_s->scan_id_count = scan_id_count;
7634                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7635                 wpa_s->scan_res_handler = scan_res_handler;
7636                 os_free(wpa_s->manual_scan_freqs);
7637                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7638                 manual_scan_freqs = NULL;
7639
7640                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
7641                 wpa_supplicant_cancel_sched_scan(wpa_s);
7642                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7643                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7644                 if (wpa_s->manual_scan_use_id) {
7645                         wpa_s->manual_scan_id++;
7646                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7647                                                  wpa_s->manual_scan_id);
7648                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7649                                 wpa_s->manual_scan_id);
7650                 }
7651         } else {
7652                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
7653                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7654         }
7655
7656 done:
7657         os_free(manual_scan_freqs);
7658         os_free(ssid);
7659 }
7660
7661
7662 #ifdef CONFIG_TESTING_OPTIONS
7663
7664 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
7665                                        unsigned int freq, const u8 *dst,
7666                                        const u8 *src, const u8 *bssid,
7667                                        const u8 *data, size_t data_len,
7668                                        enum offchannel_send_action_result
7669                                        result)
7670 {
7671         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
7672                 " src=" MACSTR " bssid=" MACSTR " result=%s",
7673                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
7674                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
7675                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
7676                              "NO_ACK" : "FAILED"));
7677 }
7678
7679
7680 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
7681 {
7682         char *pos, *param;
7683         size_t len;
7684         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
7685         int res, used;
7686         int freq = 0, no_cck = 0, wait_time = 0;
7687
7688         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
7689          *    <action=Action frame payload> */
7690
7691         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
7692
7693         pos = cmd;
7694         used = hwaddr_aton2(pos, da);
7695         if (used < 0)
7696                 return -1;
7697         pos += used;
7698         while (*pos == ' ')
7699                 pos++;
7700         used = hwaddr_aton2(pos, bssid);
7701         if (used < 0)
7702                 return -1;
7703         pos += used;
7704
7705         param = os_strstr(pos, " freq=");
7706         if (param) {
7707                 param += 6;
7708                 freq = atoi(param);
7709         }
7710
7711         param = os_strstr(pos, " no_cck=");
7712         if (param) {
7713                 param += 8;
7714                 no_cck = atoi(param);
7715         }
7716
7717         param = os_strstr(pos, " wait_time=");
7718         if (param) {
7719                 param += 11;
7720                 wait_time = atoi(param);
7721         }
7722
7723         param = os_strstr(pos, " action=");
7724         if (param == NULL)
7725                 return -1;
7726         param += 8;
7727
7728         len = os_strlen(param);
7729         if (len & 1)
7730                 return -1;
7731         len /= 2;
7732
7733         buf = os_malloc(len);
7734         if (buf == NULL)
7735                 return -1;
7736
7737         if (hexstr2bin(param, buf, len) < 0) {
7738                 os_free(buf);
7739                 return -1;
7740         }
7741
7742         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
7743                                      buf, len, wait_time,
7744                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
7745         os_free(buf);
7746         return res;
7747 }
7748
7749
7750 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
7751 {
7752         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
7753         offchannel_send_action_done(wpa_s);
7754 }
7755
7756
7757 static int wpas_ctrl_iface_mgmt_rx_process(struct wpa_supplicant *wpa_s,
7758                                            char *cmd)
7759 {
7760         char *pos, *param;
7761         size_t len;
7762         u8 *buf;
7763         int freq = 0, datarate = 0, ssi_signal = 0;
7764         union wpa_event_data event;
7765
7766         if (!wpa_s->ext_mgmt_frame_handling)
7767                 return -1;
7768
7769         /* freq=<MHz> datarate=<val> ssi_signal=<val> frame=<frame hexdump> */
7770
7771         wpa_printf(MSG_DEBUG, "External MGMT RX process: %s", cmd);
7772
7773         pos = cmd;
7774         param = os_strstr(pos, "freq=");
7775         if (param) {
7776                 param += 5;
7777                 freq = atoi(param);
7778         }
7779
7780         param = os_strstr(pos, " datarate=");
7781         if (param) {
7782                 param += 10;
7783                 datarate = atoi(param);
7784         }
7785
7786         param = os_strstr(pos, " ssi_signal=");
7787         if (param) {
7788                 param += 12;
7789                 ssi_signal = atoi(param);
7790         }
7791
7792         param = os_strstr(pos, " frame=");
7793         if (param == NULL)
7794                 return -1;
7795         param += 7;
7796
7797         len = os_strlen(param);
7798         if (len & 1)
7799                 return -1;
7800         len /= 2;
7801
7802         buf = os_malloc(len);
7803         if (buf == NULL)
7804                 return -1;
7805
7806         if (hexstr2bin(param, buf, len) < 0) {
7807                 os_free(buf);
7808                 return -1;
7809         }
7810
7811         os_memset(&event, 0, sizeof(event));
7812         event.rx_mgmt.freq = freq;
7813         event.rx_mgmt.frame = buf;
7814         event.rx_mgmt.frame_len = len;
7815         event.rx_mgmt.ssi_signal = ssi_signal;
7816         event.rx_mgmt.datarate = datarate;
7817         wpa_s->ext_mgmt_frame_handling = 0;
7818         wpa_supplicant_event(wpa_s, EVENT_RX_MGMT, &event);
7819         wpa_s->ext_mgmt_frame_handling = 1;
7820
7821         os_free(buf);
7822
7823         return 0;
7824 }
7825
7826
7827 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
7828 {
7829         char *pos, *param;
7830         union wpa_event_data event;
7831         enum wpa_event_type ev;
7832
7833         /* <event name> [parameters..] */
7834
7835         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
7836
7837         pos = cmd;
7838         param = os_strchr(pos, ' ');
7839         if (param)
7840                 *param++ = '\0';
7841
7842         os_memset(&event, 0, sizeof(event));
7843
7844         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
7845                 ev = EVENT_INTERFACE_ENABLED;
7846         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
7847                 ev = EVENT_INTERFACE_DISABLED;
7848         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
7849                 ev = EVENT_AVOID_FREQUENCIES;
7850                 if (param == NULL)
7851                         param = "";
7852                 if (freq_range_list_parse(&event.freq_range, param) < 0)
7853                         return -1;
7854                 wpa_supplicant_event(wpa_s, ev, &event);
7855                 os_free(event.freq_range.range);
7856                 return 0;
7857         } else {
7858                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
7859                         cmd);
7860                 return -1;
7861         }
7862
7863         wpa_supplicant_event(wpa_s, ev, &event);
7864
7865         return 0;
7866 }
7867
7868
7869 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
7870 {
7871         char *pos;
7872         u8 src[ETH_ALEN], *buf;
7873         int used;
7874         size_t len;
7875
7876         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
7877
7878         pos = cmd;
7879         used = hwaddr_aton2(pos, src);
7880         if (used < 0)
7881                 return -1;
7882         pos += used;
7883         while (*pos == ' ')
7884                 pos++;
7885
7886         len = os_strlen(pos);
7887         if (len & 1)
7888                 return -1;
7889         len /= 2;
7890
7891         buf = os_malloc(len);
7892         if (buf == NULL)
7893                 return -1;
7894
7895         if (hexstr2bin(pos, buf, len) < 0) {
7896                 os_free(buf);
7897                 return -1;
7898         }
7899
7900         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
7901         os_free(buf);
7902
7903         return 0;
7904 }
7905
7906
7907 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
7908 {
7909         size_t i;
7910         u32 sum = 0;
7911         const u16 *pos = buf;
7912
7913         for (i = 0; i < len / 2; i++)
7914                 sum += *pos++;
7915
7916         while (sum >> 16)
7917                 sum = (sum & 0xffff) + (sum >> 16);
7918
7919         return sum ^ 0xffff;
7920 }
7921
7922
7923 #define HWSIM_PACKETLEN 1500
7924 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
7925
7926 static void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf,
7927                               size_t len)
7928 {
7929         struct wpa_supplicant *wpa_s = ctx;
7930         const struct ether_header *eth;
7931         struct iphdr ip;
7932         const u8 *pos;
7933         unsigned int i;
7934
7935         if (len != HWSIM_PACKETLEN)
7936                 return;
7937
7938         eth = (const struct ether_header *) buf;
7939         os_memcpy(&ip, eth + 1, sizeof(ip));
7940         pos = &buf[sizeof(*eth) + sizeof(ip)];
7941
7942         if (ip.ihl != 5 || ip.version != 4 ||
7943             ntohs(ip.tot_len) != HWSIM_IP_LEN)
7944                 return;
7945
7946         for (i = 0; i < HWSIM_IP_LEN - sizeof(ip); i++) {
7947                 if (*pos != (u8) i)
7948                         return;
7949                 pos++;
7950         }
7951
7952         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
7953                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
7954 }
7955
7956
7957 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
7958                                             char *cmd)
7959 {
7960         int enabled = atoi(cmd);
7961         char *pos;
7962         const char *ifname;
7963
7964         if (!enabled) {
7965                 if (wpa_s->l2_test) {
7966                         l2_packet_deinit(wpa_s->l2_test);
7967                         wpa_s->l2_test = NULL;
7968                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
7969                 }
7970                 return 0;
7971         }
7972
7973         if (wpa_s->l2_test)
7974                 return 0;
7975
7976         pos = os_strstr(cmd, " ifname=");
7977         if (pos)
7978                 ifname = pos + 8;
7979         else
7980                 ifname = wpa_s->ifname;
7981
7982         wpa_s->l2_test = l2_packet_init(ifname, wpa_s->own_addr,
7983                                         ETHERTYPE_IP, wpas_data_test_rx,
7984                                         wpa_s, 1);
7985         if (wpa_s->l2_test == NULL)
7986                 return -1;
7987
7988         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
7989
7990         return 0;
7991 }
7992
7993
7994 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
7995 {
7996         u8 dst[ETH_ALEN], src[ETH_ALEN];
7997         char *pos;
7998         int used;
7999         long int val;
8000         u8 tos;
8001         u8 buf[2 + HWSIM_PACKETLEN];
8002         struct ether_header *eth;
8003         struct iphdr *ip;
8004         u8 *dpos;
8005         unsigned int i;
8006
8007         if (wpa_s->l2_test == NULL)
8008                 return -1;
8009
8010         /* format: <dst> <src> <tos> */
8011
8012         pos = cmd;
8013         used = hwaddr_aton2(pos, dst);
8014         if (used < 0)
8015                 return -1;
8016         pos += used;
8017         while (*pos == ' ')
8018                 pos++;
8019         used = hwaddr_aton2(pos, src);
8020         if (used < 0)
8021                 return -1;
8022         pos += used;
8023
8024         val = strtol(pos, NULL, 0);
8025         if (val < 0 || val > 0xff)
8026                 return -1;
8027         tos = val;
8028
8029         eth = (struct ether_header *) &buf[2];
8030         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
8031         os_memcpy(eth->ether_shost, src, ETH_ALEN);
8032         eth->ether_type = htons(ETHERTYPE_IP);
8033         ip = (struct iphdr *) (eth + 1);
8034         os_memset(ip, 0, sizeof(*ip));
8035         ip->ihl = 5;
8036         ip->version = 4;
8037         ip->ttl = 64;
8038         ip->tos = tos;
8039         ip->tot_len = htons(HWSIM_IP_LEN);
8040         ip->protocol = 1;
8041         ip->saddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 1);
8042         ip->daddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 2);
8043         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
8044         dpos = (u8 *) (ip + 1);
8045         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
8046                 *dpos++ = i;
8047
8048         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, &buf[2],
8049                            HWSIM_PACKETLEN) < 0)
8050                 return -1;
8051
8052         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
8053                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
8054
8055         return 0;
8056 }
8057
8058
8059 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
8060                                            char *cmd)
8061 {
8062         u8 *buf;
8063         struct ether_header *eth;
8064         struct l2_packet_data *l2 = NULL;
8065         size_t len;
8066         u16 ethertype;
8067         int res = -1;
8068
8069         len = os_strlen(cmd);
8070         if (len & 1 || len < ETH_HLEN * 2)
8071                 return -1;
8072         len /= 2;
8073
8074         buf = os_malloc(len);
8075         if (buf == NULL)
8076                 return -1;
8077
8078         if (hexstr2bin(cmd, buf, len) < 0)
8079                 goto done;
8080
8081         eth = (struct ether_header *) buf;
8082         ethertype = ntohs(eth->ether_type);
8083
8084         l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
8085                             wpas_data_test_rx, wpa_s, 1);
8086         if (l2 == NULL)
8087                 goto done;
8088
8089         res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
8090         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
8091 done:
8092         if (l2)
8093                 l2_packet_deinit(l2);
8094         os_free(buf);
8095
8096         return res < 0 ? -1 : 0;
8097 }
8098
8099
8100 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
8101 {
8102 #ifdef WPA_TRACE_BFD
8103         char *pos;
8104
8105         wpa_trace_fail_after = atoi(cmd);
8106         pos = os_strchr(cmd, ':');
8107         if (pos) {
8108                 pos++;
8109                 os_strlcpy(wpa_trace_fail_func, pos,
8110                            sizeof(wpa_trace_fail_func));
8111         } else {
8112                 wpa_trace_fail_after = 0;
8113         }
8114         return 0;
8115 #else /* WPA_TRACE_BFD */
8116         return -1;
8117 #endif /* WPA_TRACE_BFD */
8118 }
8119
8120
8121 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
8122                                     char *buf, size_t buflen)
8123 {
8124 #ifdef WPA_TRACE_BFD
8125         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
8126                            wpa_trace_fail_func);
8127 #else /* WPA_TRACE_BFD */
8128         return -1;
8129 #endif /* WPA_TRACE_BFD */
8130 }
8131
8132
8133 static int wpas_ctrl_test_fail(struct wpa_supplicant *wpa_s, char *cmd)
8134 {
8135 #ifdef WPA_TRACE_BFD
8136         char *pos;
8137
8138         wpa_trace_test_fail_after = atoi(cmd);
8139         pos = os_strchr(cmd, ':');
8140         if (pos) {
8141                 pos++;
8142                 os_strlcpy(wpa_trace_test_fail_func, pos,
8143                            sizeof(wpa_trace_test_fail_func));
8144         } else {
8145                 wpa_trace_test_fail_after = 0;
8146         }
8147         return 0;
8148 #else /* WPA_TRACE_BFD */
8149         return -1;
8150 #endif /* WPA_TRACE_BFD */
8151 }
8152
8153
8154 static int wpas_ctrl_get_fail(struct wpa_supplicant *wpa_s,
8155                                     char *buf, size_t buflen)
8156 {
8157 #ifdef WPA_TRACE_BFD
8158         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_test_fail_after,
8159                            wpa_trace_test_fail_func);
8160 #else /* WPA_TRACE_BFD */
8161         return -1;
8162 #endif /* WPA_TRACE_BFD */
8163 }
8164
8165
8166 static void wpas_ctrl_event_test_cb(void *eloop_ctx, void *timeout_ctx)
8167 {
8168         struct wpa_supplicant *wpa_s = eloop_ctx;
8169         int i, count = (intptr_t) timeout_ctx;
8170
8171         wpa_printf(MSG_DEBUG, "TEST: Send %d control interface event messages",
8172                    count);
8173         for (i = 0; i < count; i++) {
8174                 wpa_msg_ctrl(wpa_s, MSG_INFO, "TEST-EVENT-MESSAGE %d/%d",
8175                              i + 1, count);
8176         }
8177 }
8178
8179
8180 static int wpas_ctrl_event_test(struct wpa_supplicant *wpa_s, const char *cmd)
8181 {
8182         int count;
8183
8184         count = atoi(cmd);
8185         if (count <= 0)
8186                 return -1;
8187
8188         return eloop_register_timeout(0, 0, wpas_ctrl_event_test_cb, wpa_s,
8189                                       (void *) (intptr_t) count);
8190 }
8191
8192
8193 static int wpas_ctrl_test_assoc_ie(struct wpa_supplicant *wpa_s,
8194                                    const char *cmd)
8195 {
8196         struct wpabuf *buf;
8197         size_t len;
8198
8199         len = os_strlen(cmd);
8200         if (len & 1)
8201                 return -1;
8202         len /= 2;
8203
8204         if (len == 0) {
8205                 buf = NULL;
8206         } else {
8207                 buf = wpabuf_alloc(len);
8208                 if (buf == NULL)
8209                         return -1;
8210
8211                 if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
8212                         wpabuf_free(buf);
8213                         return -1;
8214                 }
8215         }
8216
8217         wpa_sm_set_test_assoc_ie(wpa_s->wpa, buf);
8218         return 0;
8219 }
8220
8221 #endif /* CONFIG_TESTING_OPTIONS */
8222
8223
8224 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
8225 {
8226         char *pos = cmd;
8227         int frame;
8228         size_t len;
8229         struct wpabuf *buf;
8230         struct ieee802_11_elems elems;
8231
8232         frame = atoi(pos);
8233         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
8234                 return -1;
8235         wpa_s = wpas_vendor_elem(wpa_s, frame);
8236
8237         pos = os_strchr(pos, ' ');
8238         if (pos == NULL)
8239                 return -1;
8240         pos++;
8241
8242         len = os_strlen(pos);
8243         if (len == 0)
8244                 return 0;
8245         if (len & 1)
8246                 return -1;
8247         len /= 2;
8248
8249         buf = wpabuf_alloc(len);
8250         if (buf == NULL)
8251                 return -1;
8252
8253         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
8254                 wpabuf_free(buf);
8255                 return -1;
8256         }
8257
8258         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
8259             ParseFailed) {
8260                 wpabuf_free(buf);
8261                 return -1;
8262         }
8263
8264         if (wpa_s->vendor_elem[frame] == NULL) {
8265                 wpa_s->vendor_elem[frame] = buf;
8266                 wpas_vendor_elem_update(wpa_s);
8267                 return 0;
8268         }
8269
8270         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
8271                 wpabuf_free(buf);
8272                 return -1;
8273         }
8274
8275         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
8276         wpabuf_free(buf);
8277         wpas_vendor_elem_update(wpa_s);
8278
8279         return 0;
8280 }
8281
8282
8283 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
8284                                      char *buf, size_t buflen)
8285 {
8286         int frame = atoi(cmd);
8287
8288         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
8289                 return -1;
8290         wpa_s = wpas_vendor_elem(wpa_s, frame);
8291
8292         if (wpa_s->vendor_elem[frame] == NULL)
8293                 return 0;
8294
8295         return wpa_snprintf_hex(buf, buflen,
8296                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
8297                                 wpabuf_len(wpa_s->vendor_elem[frame]));
8298 }
8299
8300
8301 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
8302 {
8303         char *pos = cmd;
8304         int frame;
8305         size_t len;
8306         u8 *buf;
8307         struct ieee802_11_elems elems;
8308         int res;
8309
8310         frame = atoi(pos);
8311         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
8312                 return -1;
8313         wpa_s = wpas_vendor_elem(wpa_s, frame);
8314
8315         pos = os_strchr(pos, ' ');
8316         if (pos == NULL)
8317                 return -1;
8318         pos++;
8319
8320         if (*pos == '*') {
8321                 wpabuf_free(wpa_s->vendor_elem[frame]);
8322                 wpa_s->vendor_elem[frame] = NULL;
8323                 wpas_vendor_elem_update(wpa_s);
8324                 return 0;
8325         }
8326
8327         if (wpa_s->vendor_elem[frame] == NULL)
8328                 return -1;
8329
8330         len = os_strlen(pos);
8331         if (len == 0)
8332                 return 0;
8333         if (len & 1)
8334                 return -1;
8335         len /= 2;
8336
8337         buf = os_malloc(len);
8338         if (buf == NULL)
8339                 return -1;
8340
8341         if (hexstr2bin(pos, buf, len) < 0) {
8342                 os_free(buf);
8343                 return -1;
8344         }
8345
8346         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
8347                 os_free(buf);
8348                 return -1;
8349         }
8350
8351         res = wpas_vendor_elem_remove(wpa_s, frame, buf, len);
8352         os_free(buf);
8353         return res;
8354 }
8355
8356
8357 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
8358 {
8359         struct wpa_supplicant *wpa_s = ctx;
8360         size_t len;
8361         const u8 *data;
8362
8363         /*
8364          * Neighbor Report element (IEEE P802.11-REVmc/D5.0)
8365          * BSSID[6]
8366          * BSSID Information[4]
8367          * Operating Class[1]
8368          * Channel Number[1]
8369          * PHY Type[1]
8370          * Optional Subelements[variable]
8371          */
8372 #define NR_IE_MIN_LEN (ETH_ALEN + 4 + 1 + 1 + 1)
8373
8374         if (!neighbor_rep || wpabuf_len(neighbor_rep) == 0) {
8375                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
8376                 goto out;
8377         }
8378
8379         data = wpabuf_head_u8(neighbor_rep);
8380         len = wpabuf_len(neighbor_rep);
8381
8382         while (len >= 2 + NR_IE_MIN_LEN) {
8383                 const u8 *nr;
8384                 char lci[256 * 2 + 1];
8385                 char civic[256 * 2 + 1];
8386                 u8 nr_len = data[1];
8387                 const u8 *pos = data, *end;
8388
8389                 if (pos[0] != WLAN_EID_NEIGHBOR_REPORT ||
8390                     nr_len < NR_IE_MIN_LEN) {
8391                         wpa_printf(MSG_DEBUG,
8392                                    "CTRL: Invalid Neighbor Report element: id=%u len=%u",
8393                                    data[0], nr_len);
8394                         goto out;
8395                 }
8396
8397                 if (2U + nr_len > len) {
8398                         wpa_printf(MSG_DEBUG,
8399                                    "CTRL: Invalid Neighbor Report element: id=%u len=%zu nr_len=%u",
8400                                    data[0], len, nr_len);
8401                         goto out;
8402                 }
8403                 pos += 2;
8404                 end = pos + nr_len;
8405
8406                 nr = pos;
8407                 pos += NR_IE_MIN_LEN;
8408
8409                 lci[0] = '\0';
8410                 civic[0] = '\0';
8411                 while (end - pos > 2) {
8412                         u8 s_id, s_len;
8413
8414                         s_id = *pos++;
8415                         s_len = *pos++;
8416                         if (s_len > end - pos)
8417                                 goto out;
8418                         if (s_id == WLAN_EID_MEASURE_REPORT && s_len > 3) {
8419                                 /* Measurement Token[1] */
8420                                 /* Measurement Report Mode[1] */
8421                                 /* Measurement Type[1] */
8422                                 /* Measurement Report[variable] */
8423                                 switch (pos[2]) {
8424                                 case MEASURE_TYPE_LCI:
8425                                         if (lci[0])
8426                                                 break;
8427                                         wpa_snprintf_hex(lci, sizeof(lci),
8428                                                          pos, s_len);
8429                                         break;
8430                                 case MEASURE_TYPE_LOCATION_CIVIC:
8431                                         if (civic[0])
8432                                                 break;
8433                                         wpa_snprintf_hex(civic, sizeof(civic),
8434                                                          pos, s_len);
8435                                         break;
8436                                 }
8437                         }
8438
8439                         pos += s_len;
8440                 }
8441
8442                 wpa_msg(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
8443                         "bssid=" MACSTR
8444                         " info=0x%x op_class=%u chan=%u phy_type=%u%s%s%s%s",
8445                         MAC2STR(nr), WPA_GET_LE32(nr + ETH_ALEN),
8446                         nr[ETH_ALEN + 4], nr[ETH_ALEN + 5],
8447                         nr[ETH_ALEN + 6],
8448                         lci[0] ? " lci=" : "", lci,
8449                         civic[0] ? " civic=" : "", civic);
8450
8451                 data = end;
8452                 len -= 2 + nr_len;
8453         }
8454
8455 out:
8456         wpabuf_free(neighbor_rep);
8457 }
8458
8459
8460 static int wpas_ctrl_iface_send_neighbor_rep(struct wpa_supplicant *wpa_s,
8461                                              char *cmd)
8462 {
8463         struct wpa_ssid_value ssid, *ssid_p = NULL;
8464         int ret, lci = 0, civic = 0;
8465         char *ssid_s;
8466
8467         ssid_s = os_strstr(cmd, "ssid=");
8468         if (ssid_s) {
8469                 if (ssid_parse(ssid_s + 5, &ssid)) {
8470                         wpa_printf(MSG_ERROR,
8471                                    "CTRL: Send Neighbor Report: bad SSID");
8472                         return -1;
8473                 }
8474
8475                 ssid_p = &ssid;
8476
8477                 /*
8478                  * Move cmd after the SSID text that may include "lci" or
8479                  * "civic".
8480                  */
8481                 cmd = os_strchr(ssid_s + 6, ssid_s[5] == '"' ? '"' : ' ');
8482                 if (cmd)
8483                         cmd++;
8484
8485         }
8486
8487         if (cmd && os_strstr(cmd, "lci"))
8488                 lci = 1;
8489
8490         if (cmd && os_strstr(cmd, "civic"))
8491                 civic = 1;
8492
8493         ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p, lci, civic,
8494                                                  wpas_ctrl_neighbor_rep_cb,
8495                                                  wpa_s);
8496
8497         return ret;
8498 }
8499
8500
8501 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
8502 {
8503         eapol_sm_erp_flush(wpa_s->eapol);
8504         return 0;
8505 }
8506
8507
8508 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
8509                                          char *cmd)
8510 {
8511         char *token, *context = NULL;
8512         unsigned int enable = ~0, type = 0;
8513         u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
8514         u8 *addr = NULL, *mask = NULL;
8515
8516         while ((token = str_token(cmd, " ", &context))) {
8517                 if (os_strcasecmp(token, "scan") == 0) {
8518                         type |= MAC_ADDR_RAND_SCAN;
8519                 } else if (os_strcasecmp(token, "sched") == 0) {
8520                         type |= MAC_ADDR_RAND_SCHED_SCAN;
8521                 } else if (os_strcasecmp(token, "pno") == 0) {
8522                         type |= MAC_ADDR_RAND_PNO;
8523                 } else if (os_strcasecmp(token, "all") == 0) {
8524                         type = wpa_s->mac_addr_rand_supported;
8525                 } else if (os_strncasecmp(token, "enable=", 7) == 0) {
8526                         enable = atoi(token + 7);
8527                 } else if (os_strncasecmp(token, "addr=", 5) == 0) {
8528                         addr = _addr;
8529                         if (hwaddr_aton(token + 5, addr)) {
8530                                 wpa_printf(MSG_INFO,
8531                                            "CTRL: Invalid MAC address: %s",
8532                                            token);
8533                                 return -1;
8534                         }
8535                 } else if (os_strncasecmp(token, "mask=", 5) == 0) {
8536                         mask = _mask;
8537                         if (hwaddr_aton(token + 5, mask)) {
8538                                 wpa_printf(MSG_INFO,
8539                                            "CTRL: Invalid MAC address mask: %s",
8540                                            token);
8541                                 return -1;
8542                         }
8543                 } else {
8544                         wpa_printf(MSG_INFO,
8545                                    "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
8546                                    token);
8547                         return -1;
8548                 }
8549         }
8550
8551         if (!type) {
8552                 wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
8553                 return -1;
8554         }
8555
8556         if ((wpa_s->mac_addr_rand_supported & type) != type) {
8557                 wpa_printf(MSG_INFO,
8558                            "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
8559                            type, wpa_s->mac_addr_rand_supported);
8560                 return -1;
8561         }
8562
8563         if (enable > 1) {
8564                 wpa_printf(MSG_INFO,
8565                            "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
8566                 return -1;
8567         }
8568
8569         if (!enable) {
8570                 wpas_mac_addr_rand_scan_clear(wpa_s, type);
8571                 if (wpa_s->pno) {
8572                         if (type & MAC_ADDR_RAND_PNO) {
8573                                 wpas_stop_pno(wpa_s);
8574                                 wpas_start_pno(wpa_s);
8575                         }
8576                 } else if (wpa_s->sched_scanning &&
8577                            (type & MAC_ADDR_RAND_SCHED_SCAN)) {
8578                         wpas_scan_restart_sched_scan(wpa_s);
8579                 }
8580                 return 0;
8581         }
8582
8583         if ((addr && !mask) || (!addr && mask)) {
8584                 wpa_printf(MSG_INFO,
8585                            "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
8586                 return -1;
8587         }
8588
8589         if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
8590                 wpa_printf(MSG_INFO,
8591                            "CTRL: MAC_RAND_SCAN cannot allow multicast address");
8592                 return -1;
8593         }
8594
8595         if (type & MAC_ADDR_RAND_SCAN) {
8596                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
8597                                             addr, mask);
8598         }
8599
8600         if (type & MAC_ADDR_RAND_SCHED_SCAN) {
8601                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
8602                                             addr, mask);
8603
8604                 if (wpa_s->sched_scanning && !wpa_s->pno)
8605                         wpas_scan_restart_sched_scan(wpa_s);
8606         }
8607
8608         if (type & MAC_ADDR_RAND_PNO) {
8609                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
8610                                             addr, mask);
8611                 if (wpa_s->pno) {
8612                         wpas_stop_pno(wpa_s);
8613                         wpas_start_pno(wpa_s);
8614                 }
8615         }
8616
8617         return 0;
8618 }
8619
8620
8621 static int wpas_ctrl_iface_pmksa(struct wpa_supplicant *wpa_s,
8622                                  char *buf, size_t buflen)
8623 {
8624         size_t reply_len;
8625
8626         reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, buf, buflen);
8627 #ifdef CONFIG_AP
8628         reply_len += wpas_ap_pmksa_cache_list(wpa_s, &buf[reply_len],
8629                                               buflen - reply_len);
8630 #endif /* CONFIG_AP */
8631         return reply_len;
8632 }
8633
8634
8635 static void wpas_ctrl_iface_pmksa_flush(struct wpa_supplicant *wpa_s)
8636 {
8637         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
8638 #ifdef CONFIG_AP
8639         wpas_ap_pmksa_cache_flush(wpa_s);
8640 #endif /* CONFIG_AP */
8641 }
8642
8643
8644 static int wpas_ctrl_cmd_debug_level(const char *cmd)
8645 {
8646         if (os_strcmp(cmd, "PING") == 0 ||
8647             os_strncmp(cmd, "BSS ", 4) == 0 ||
8648             os_strncmp(cmd, "GET_NETWORK ", 12) == 0 ||
8649             os_strncmp(cmd, "STATUS", 6) == 0 ||
8650             os_strncmp(cmd, "STA ", 4) == 0 ||
8651             os_strncmp(cmd, "STA-", 4) == 0)
8652                 return MSG_EXCESSIVE;
8653         return MSG_DEBUG;
8654 }
8655
8656
8657 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
8658                                          char *buf, size_t *resp_len)
8659 {
8660         char *reply;
8661         const int reply_size = 4096;
8662         int reply_len;
8663
8664         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
8665             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8666                 if (wpa_debug_show_keys)
8667                         wpa_dbg(wpa_s, MSG_DEBUG,
8668                                 "Control interface command '%s'", buf);
8669                 else
8670                         wpa_dbg(wpa_s, MSG_DEBUG,
8671                                 "Control interface command '%s [REMOVED]'",
8672                                 os_strncmp(buf, WPA_CTRL_RSP,
8673                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
8674                                 WPA_CTRL_RSP : "SET_NETWORK");
8675         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
8676                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
8677                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
8678                                       (const u8 *) buf, os_strlen(buf));
8679         } else {
8680                 int level = wpas_ctrl_cmd_debug_level(buf);
8681                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
8682         }
8683
8684         reply = os_malloc(reply_size);
8685         if (reply == NULL) {
8686                 *resp_len = 1;
8687                 return NULL;
8688         }
8689
8690         os_memcpy(reply, "OK\n", 3);
8691         reply_len = 3;
8692
8693         if (os_strcmp(buf, "PING") == 0) {
8694                 os_memcpy(reply, "PONG\n", 5);
8695                 reply_len = 5;
8696         } else if (os_strcmp(buf, "IFNAME") == 0) {
8697                 reply_len = os_strlen(wpa_s->ifname);
8698                 os_memcpy(reply, wpa_s->ifname, reply_len);
8699         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
8700                 if (wpa_debug_reopen_file() < 0)
8701                         reply_len = -1;
8702         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
8703                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
8704         } else if (os_strcmp(buf, "MIB") == 0) {
8705                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
8706                 if (reply_len >= 0) {
8707                         reply_len += eapol_sm_get_mib(wpa_s->eapol,
8708                                                       reply + reply_len,
8709                                                       reply_size - reply_len);
8710                 }
8711         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
8712                 reply_len = wpa_supplicant_ctrl_iface_status(
8713                         wpa_s, buf + 6, reply, reply_size);
8714         } else if (os_strcmp(buf, "PMKSA") == 0) {
8715                 reply_len = wpas_ctrl_iface_pmksa(wpa_s, reply, reply_size);
8716         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
8717                 wpas_ctrl_iface_pmksa_flush(wpa_s);
8718         } else if (os_strncmp(buf, "SET ", 4) == 0) {
8719                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
8720                         reply_len = -1;
8721         } else if (os_strncmp(buf, "DUMP", 4) == 0) {
8722                 reply_len = wpa_config_dump_values(wpa_s->conf,
8723                                                    reply, reply_size);
8724         } else if (os_strncmp(buf, "GET ", 4) == 0) {
8725                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
8726                                                           reply, reply_size);
8727         } else if (os_strcmp(buf, "LOGON") == 0) {
8728                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
8729         } else if (os_strcmp(buf, "LOGOFF") == 0) {
8730                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
8731         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
8732                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8733                         reply_len = -1;
8734                 else
8735                         wpas_request_connection(wpa_s);
8736         } else if (os_strcmp(buf, "REATTACH") == 0) {
8737                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
8738                     !wpa_s->current_ssid)
8739                         reply_len = -1;
8740                 else {
8741                         wpa_s->reattach = 1;
8742                         wpas_request_connection(wpa_s);
8743                 }
8744         } else if (os_strcmp(buf, "RECONNECT") == 0) {
8745                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8746                         reply_len = -1;
8747                 else if (wpa_s->disconnected)
8748                         wpas_request_connection(wpa_s);
8749 #ifdef IEEE8021X_EAPOL
8750         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
8751                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
8752                         reply_len = -1;
8753 #endif /* IEEE8021X_EAPOL */
8754 #ifdef CONFIG_PEERKEY
8755         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
8756                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
8757                         reply_len = -1;
8758 #endif /* CONFIG_PEERKEY */
8759 #ifdef CONFIG_IEEE80211R
8760         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
8761                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
8762                         reply_len = -1;
8763 #endif /* CONFIG_IEEE80211R */
8764 #ifdef CONFIG_WPS
8765         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
8766                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
8767                 if (res == -2) {
8768                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8769                         reply_len = 17;
8770                 } else if (res)
8771                         reply_len = -1;
8772         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
8773                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
8774                 if (res == -2) {
8775                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8776                         reply_len = 17;
8777                 } else if (res)
8778                         reply_len = -1;
8779         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
8780                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
8781                                                               reply,
8782                                                               reply_size);
8783         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
8784                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
8785                         wpa_s, buf + 14, reply, reply_size);
8786         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
8787                 if (wpas_wps_cancel(wpa_s))
8788                         reply_len = -1;
8789 #ifdef CONFIG_WPS_NFC
8790         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
8791                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
8792                         reply_len = -1;
8793         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
8794                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
8795                         reply_len = -1;
8796         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
8797                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
8798                         wpa_s, buf + 21, reply, reply_size);
8799         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
8800                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
8801                         wpa_s, buf + 14, reply, reply_size);
8802         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
8803                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
8804                                                                buf + 17))
8805                         reply_len = -1;
8806         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
8807                 reply_len = wpas_ctrl_nfc_get_handover_req(
8808                         wpa_s, buf + 21, reply, reply_size);
8809         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
8810                 reply_len = wpas_ctrl_nfc_get_handover_sel(
8811                         wpa_s, buf + 21, reply, reply_size);
8812         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
8813                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
8814                         reply_len = -1;
8815 #endif /* CONFIG_WPS_NFC */
8816         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
8817                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
8818                         reply_len = -1;
8819 #ifdef CONFIG_AP
8820         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
8821                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
8822                         wpa_s, buf + 11, reply, reply_size);
8823 #endif /* CONFIG_AP */
8824 #ifdef CONFIG_WPS_ER
8825         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
8826                 if (wpas_wps_er_start(wpa_s, NULL))
8827                         reply_len = -1;
8828         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
8829                 if (wpas_wps_er_start(wpa_s, buf + 13))
8830                         reply_len = -1;
8831         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
8832                 wpas_wps_er_stop(wpa_s);
8833         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
8834                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
8835                         reply_len = -1;
8836         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
8837                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
8838                 if (ret == -2) {
8839                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8840                         reply_len = 17;
8841                 } else if (ret == -3) {
8842                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
8843                         reply_len = 18;
8844                 } else if (ret == -4) {
8845                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
8846                         reply_len = 20;
8847                 } else if (ret)
8848                         reply_len = -1;
8849         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
8850                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
8851                         reply_len = -1;
8852         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
8853                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
8854                                                                 buf + 18))
8855                         reply_len = -1;
8856         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
8857                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
8858                         reply_len = -1;
8859 #ifdef CONFIG_WPS_NFC
8860         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
8861                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
8862                         wpa_s, buf + 24, reply, reply_size);
8863 #endif /* CONFIG_WPS_NFC */
8864 #endif /* CONFIG_WPS_ER */
8865 #endif /* CONFIG_WPS */
8866 #ifdef CONFIG_IBSS_RSN
8867         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
8868                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
8869                         reply_len = -1;
8870 #endif /* CONFIG_IBSS_RSN */
8871 #ifdef CONFIG_MESH
8872         } else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
8873                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8874                         wpa_s, buf + 19, reply, reply_size);
8875         } else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
8876                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8877                         wpa_s, "", reply, reply_size);
8878         } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
8879                 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
8880                         reply_len = -1;
8881         } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
8882                 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
8883                                                                 buf + 18))
8884                         reply_len = -1;
8885         } else if (os_strncmp(buf, "MESH_PEER_REMOVE ", 17) == 0) {
8886                 if (wpa_supplicant_ctrl_iface_mesh_peer_remove(wpa_s, buf + 17))
8887                         reply_len = -1;
8888         } else if (os_strncmp(buf, "MESH_PEER_ADD ", 14) == 0) {
8889                 if (wpa_supplicant_ctrl_iface_mesh_peer_add(wpa_s, buf + 14))
8890                         reply_len = -1;
8891 #endif /* CONFIG_MESH */
8892 #ifdef CONFIG_P2P
8893         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
8894                 if (p2p_ctrl_find(wpa_s, buf + 8))
8895                         reply_len = -1;
8896         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
8897                 if (p2p_ctrl_find(wpa_s, ""))
8898                         reply_len = -1;
8899         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
8900                 wpas_p2p_stop_find(wpa_s);
8901         } else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
8902                 if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
8903                         reply_len = -1;
8904         } else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
8905                 if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
8906                         reply_len = -1;
8907         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
8908                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
8909                                              reply_size);
8910         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
8911                 if (p2p_ctrl_listen(wpa_s, buf + 11))
8912                         reply_len = -1;
8913         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
8914                 if (p2p_ctrl_listen(wpa_s, ""))
8915                         reply_len = -1;
8916         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
8917                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
8918                         reply_len = -1;
8919         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
8920                 if (p2p_ctrl_group_add(wpa_s, ""))
8921                         reply_len = -1;
8922         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
8923                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
8924                         reply_len = -1;
8925         } else if (os_strncmp(buf, "P2P_GROUP_MEMBER ", 17) == 0) {
8926                 reply_len = p2p_ctrl_group_member(wpa_s, buf + 17, reply,
8927                                                   reply_size);
8928         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
8929                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
8930                         reply_len = -1;
8931         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
8932                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
8933         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
8934                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
8935                                                    reply_size);
8936         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
8937                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
8938                         reply_len = -1;
8939         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
8940                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
8941                         reply_len = -1;
8942         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
8943                 wpas_p2p_sd_service_update(wpa_s);
8944         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
8945                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
8946                         reply_len = -1;
8947         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
8948                 wpas_p2p_service_flush(wpa_s);
8949         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
8950                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
8951                         reply_len = -1;
8952         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
8953                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
8954                         reply_len = -1;
8955         } else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
8956                 if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
8957                         reply_len = -1;
8958         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
8959                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
8960                         reply_len = -1;
8961         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
8962                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
8963                         reply_len = -1;
8964         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
8965                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
8966                                               reply_size);
8967         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
8968                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
8969                         reply_len = -1;
8970         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
8971                 p2p_ctrl_flush(wpa_s);
8972         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
8973                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
8974                         reply_len = -1;
8975         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
8976                 if (wpas_p2p_cancel(wpa_s))
8977                         reply_len = -1;
8978         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
8979                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
8980                         reply_len = -1;
8981         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
8982                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
8983                         reply_len = -1;
8984         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
8985                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
8986                         reply_len = -1;
8987         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
8988                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
8989                         reply_len = -1;
8990         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
8991                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
8992                         reply_len = -1;
8993         } else if (os_strncmp(buf, "P2P_LO_START ", 13) == 0) {
8994                 if (p2p_ctrl_iface_p2p_lo_start(wpa_s, buf + 13))
8995                         reply_len = -1;
8996         } else if (os_strcmp(buf, "P2P_LO_STOP") == 0) {
8997                 if (wpas_p2p_lo_stop(wpa_s))
8998                         reply_len = -1;
8999 #endif /* CONFIG_P2P */
9000 #ifdef CONFIG_WIFI_DISPLAY
9001         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
9002                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
9003                         reply_len = -1;
9004         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
9005                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
9006                                                      reply, reply_size);
9007 #endif /* CONFIG_WIFI_DISPLAY */
9008 #ifdef CONFIG_INTERWORKING
9009         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
9010                 if (interworking_fetch_anqp(wpa_s) < 0)
9011                         reply_len = -1;
9012         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
9013                 interworking_stop_fetch_anqp(wpa_s);
9014         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
9015                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
9016                         reply_len = -1;
9017         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
9018                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
9019                         reply_len = -1;
9020         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
9021                 if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
9022                         reply_len = -1;
9023         } else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
9024                 int id;
9025
9026                 id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
9027                 if (id < 0)
9028                         reply_len = -1;
9029                 else {
9030                         reply_len = os_snprintf(reply, reply_size, "%d\n", id);
9031                         if (os_snprintf_error(reply_size, reply_len))
9032                                 reply_len = -1;
9033                 }
9034         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
9035                 if (get_anqp(wpa_s, buf + 9) < 0)
9036                         reply_len = -1;
9037         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
9038                 if (gas_request(wpa_s, buf + 12) < 0)
9039                         reply_len = -1;
9040         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
9041                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
9042                                              reply_size);
9043 #endif /* CONFIG_INTERWORKING */
9044 #ifdef CONFIG_HS20
9045         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
9046                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
9047                         reply_len = -1;
9048         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
9049                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
9050                         reply_len = -1;
9051         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
9052                 if (hs20_icon_request(wpa_s, buf + 18, 0) < 0)
9053                         reply_len = -1;
9054         } else if (os_strncmp(buf, "REQ_HS20_ICON ", 14) == 0) {
9055                 if (hs20_icon_request(wpa_s, buf + 14, 1) < 0)
9056                         reply_len = -1;
9057         } else if (os_strncmp(buf, "GET_HS20_ICON ", 14) == 0) {
9058                 reply_len = get_hs20_icon(wpa_s, buf + 14, reply, reply_size);
9059         } else if (os_strncmp(buf, "DEL_HS20_ICON ", 14) == 0) {
9060                 if (del_hs20_icon(wpa_s, buf + 14) < 0)
9061                         reply_len = -1;
9062         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
9063                 if (hs20_fetch_osu(wpa_s, 0) < 0)
9064                         reply_len = -1;
9065         } else if (os_strcmp(buf, "FETCH_OSU no-scan") == 0) {
9066                 if (hs20_fetch_osu(wpa_s, 1) < 0)
9067                         reply_len = -1;
9068         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
9069                 hs20_cancel_fetch_osu(wpa_s);
9070 #endif /* CONFIG_HS20 */
9071         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
9072         {
9073                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
9074                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
9075                         reply_len = -1;
9076                 else {
9077                         /*
9078                          * Notify response from timeout to allow the control
9079                          * interface response to be sent first.
9080                          */
9081                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
9082                                                wpa_s, NULL);
9083                 }
9084         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
9085                 if (wpa_supplicant_reload_configuration(wpa_s))
9086                         reply_len = -1;
9087         } else if (os_strcmp(buf, "TERMINATE") == 0) {
9088                 wpa_supplicant_terminate_proc(wpa_s->global);
9089         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
9090                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
9091                         reply_len = -1;
9092         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
9093                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
9094                         wpa_s, buf + 9, reply, reply_size);
9095         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
9096                 reply_len = wpa_supplicant_ctrl_iface_log_level(
9097                         wpa_s, buf + 9, reply, reply_size);
9098         } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
9099                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
9100                         wpa_s, buf + 14, reply, reply_size);
9101         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
9102                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
9103                         wpa_s, NULL, reply, reply_size);
9104         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
9105                 wpas_request_disconnection(wpa_s);
9106         } else if (os_strcmp(buf, "SCAN") == 0) {
9107                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
9108         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
9109                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
9110         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
9111                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
9112                         wpa_s, reply, reply_size);
9113         } else if (os_strcmp(buf, "ABORT_SCAN") == 0) {
9114                 if (wpas_abort_ongoing_scan(wpa_s) < 0)
9115                         reply_len = -1;
9116         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
9117                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
9118                         reply_len = -1;
9119         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
9120                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
9121                         reply_len = -1;
9122         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
9123                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
9124                         reply_len = -1;
9125         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
9126                 reply_len = wpa_supplicant_ctrl_iface_add_network(
9127                         wpa_s, reply, reply_size);
9128         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
9129                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
9130                         reply_len = -1;
9131         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
9132                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
9133                         reply_len = -1;
9134         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
9135                 reply_len = wpa_supplicant_ctrl_iface_get_network(
9136                         wpa_s, buf + 12, reply, reply_size);
9137         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
9138                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12,
9139                                                           wpa_s))
9140                         reply_len = -1;
9141         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
9142                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
9143                         wpa_s, reply, reply_size);
9144         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
9145                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
9146                         wpa_s, reply, reply_size);
9147         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
9148                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
9149                         reply_len = -1;
9150         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
9151                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
9152                         reply_len = -1;
9153         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
9154                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
9155                                                                reply,
9156                                                                reply_size);
9157 #ifndef CONFIG_NO_CONFIG_WRITE
9158         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
9159                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
9160                         reply_len = -1;
9161 #endif /* CONFIG_NO_CONFIG_WRITE */
9162         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
9163                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
9164                         wpa_s, buf + 15, reply, reply_size);
9165         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
9166                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
9167                         reply_len = -1;
9168         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
9169                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
9170                         reply_len = -1;
9171         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
9172                 reply_len = wpa_supplicant_global_iface_list(
9173                         wpa_s->global, reply, reply_size);
9174         } else if (os_strncmp(buf, "INTERFACES", 10) == 0) {
9175                 reply_len = wpa_supplicant_global_iface_interfaces(
9176                         wpa_s->global, buf + 10, reply, reply_size);
9177         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
9178                 reply_len = wpa_supplicant_ctrl_iface_bss(
9179                         wpa_s, buf + 4, reply, reply_size);
9180 #ifdef CONFIG_AP
9181         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
9182                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
9183         } else if (os_strncmp(buf, "STA ", 4) == 0) {
9184                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
9185                                               reply_size);
9186         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
9187                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
9188                                                    reply_size);
9189         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
9190                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
9191                         reply_len = -1;
9192         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
9193                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
9194                         reply_len = -1;
9195         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
9196                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
9197                         reply_len = -1;
9198         } else if (os_strcmp(buf, "STOP_AP") == 0) {
9199                 if (wpas_ap_stop_ap(wpa_s))
9200                         reply_len = -1;
9201 #endif /* CONFIG_AP */
9202         } else if (os_strcmp(buf, "SUSPEND") == 0) {
9203                 wpas_notify_suspend(wpa_s->global);
9204         } else if (os_strcmp(buf, "RESUME") == 0) {
9205                 wpas_notify_resume(wpa_s->global);
9206 #ifdef CONFIG_TESTING_OPTIONS
9207         } else if (os_strcmp(buf, "DROP_SA") == 0) {
9208                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
9209 #endif /* CONFIG_TESTING_OPTIONS */
9210         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
9211                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
9212                         reply_len = -1;
9213         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
9214                 wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
9215         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
9216                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
9217                         reply_len = -1;
9218         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
9219                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
9220                                                                buf + 17))
9221                         reply_len = -1;
9222         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
9223                 wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
9224 #ifdef CONFIG_TDLS
9225         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
9226                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
9227                         reply_len = -1;
9228         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
9229                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
9230                         reply_len = -1;
9231         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
9232                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
9233                         reply_len = -1;
9234         } else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
9235                 if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
9236                                                                buf + 17))
9237                         reply_len = -1;
9238         } else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
9239                 if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
9240                                                                       buf + 24))
9241                         reply_len = -1;
9242         } else if (os_strncmp(buf, "TDLS_LINK_STATUS ", 17) == 0) {
9243                 reply_len = wpa_supplicant_ctrl_iface_tdls_link_status(
9244                         wpa_s, buf + 17, reply, reply_size);
9245 #endif /* CONFIG_TDLS */
9246         } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
9247                 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
9248         } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
9249                 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
9250                         reply_len = -1;
9251         } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
9252                 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
9253                         reply_len = -1;
9254         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
9255                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
9256                                                        reply_size);
9257         } else if (os_strncmp(buf, "SIGNAL_MONITOR", 14) == 0) {
9258                 if (wpas_ctrl_iface_signal_monitor(wpa_s, buf + 14))
9259                         reply_len = -1;
9260         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
9261                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
9262                                                        reply_size);
9263 #ifdef CONFIG_AUTOSCAN
9264         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
9265                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
9266                         reply_len = -1;
9267 #endif /* CONFIG_AUTOSCAN */
9268         } else if (os_strcmp(buf, "DRIVER_FLAGS") == 0) {
9269                 reply_len = wpas_ctrl_iface_driver_flags(wpa_s, reply,
9270                                                          reply_size);
9271 #ifdef ANDROID
9272         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
9273                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
9274                                                       reply_size);
9275 #endif /* ANDROID */
9276         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
9277                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
9278                                                       reply_size);
9279         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
9280                 pmksa_cache_clear_current(wpa_s->wpa);
9281                 eapol_sm_request_reauth(wpa_s->eapol);
9282 #ifdef CONFIG_WNM
9283         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
9284                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
9285                         reply_len = -1;
9286         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
9287                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
9288                                 reply_len = -1;
9289 #endif /* CONFIG_WNM */
9290         } else if (os_strcmp(buf, "FLUSH") == 0) {
9291                 wpa_supplicant_ctrl_iface_flush(wpa_s);
9292         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
9293                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
9294                                                  reply_size);
9295 #ifdef CONFIG_TESTING_OPTIONS
9296         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
9297                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
9298                         reply_len = -1;
9299         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
9300                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
9301         } else if (os_strncmp(buf, "MGMT_RX_PROCESS ", 16) == 0) {
9302                 if (wpas_ctrl_iface_mgmt_rx_process(wpa_s, buf + 16) < 0)
9303                         reply_len = -1;
9304         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
9305                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
9306                         reply_len = -1;
9307         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
9308                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
9309                         reply_len = -1;
9310         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
9311                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
9312                         reply_len = -1;
9313         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
9314                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
9315                         reply_len = -1;
9316         } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
9317                 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
9318                         reply_len = -1;
9319         } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
9320                 if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
9321                         reply_len = -1;
9322         } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
9323                 reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
9324         } else if (os_strncmp(buf, "TEST_FAIL ", 10) == 0) {
9325                 if (wpas_ctrl_test_fail(wpa_s, buf + 10) < 0)
9326                         reply_len = -1;
9327         } else if (os_strcmp(buf, "GET_FAIL") == 0) {
9328                 reply_len = wpas_ctrl_get_fail(wpa_s, reply, reply_size);
9329         } else if (os_strncmp(buf, "EVENT_TEST ", 11) == 0) {
9330                 if (wpas_ctrl_event_test(wpa_s, buf + 11) < 0)
9331                         reply_len = -1;
9332         } else if (os_strncmp(buf, "TEST_ASSOC_IE ", 14) == 0) {
9333                 if (wpas_ctrl_test_assoc_ie(wpa_s, buf + 14) < 0)
9334                         reply_len = -1;
9335 #endif /* CONFIG_TESTING_OPTIONS */
9336         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
9337                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
9338                         reply_len = -1;
9339         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
9340                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
9341                                                       reply_size);
9342         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
9343                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
9344                         reply_len = -1;
9345         } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
9346                 if (wpas_ctrl_iface_send_neighbor_rep(wpa_s, buf + 20))
9347                         reply_len = -1;
9348         } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
9349                 wpas_ctrl_iface_erp_flush(wpa_s);
9350         } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
9351                 if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
9352                         reply_len = -1;
9353         } else if (os_strncmp(buf, "GET_PREF_FREQ_LIST ", 19) == 0) {
9354                 reply_len = wpas_ctrl_iface_get_pref_freq_list(
9355                         wpa_s, buf + 19, reply, reply_size);
9356         } else {
9357                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
9358                 reply_len = 16;
9359         }
9360
9361         if (reply_len < 0) {
9362                 os_memcpy(reply, "FAIL\n", 5);
9363                 reply_len = 5;
9364         }
9365
9366         *resp_len = reply_len;
9367         return reply;
9368 }
9369
9370
9371 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
9372                                            char *cmd)
9373 {
9374         struct wpa_interface iface;
9375         char *pos, *extra;
9376         struct wpa_supplicant *wpa_s;
9377         unsigned int create_iface = 0;
9378         u8 mac_addr[ETH_ALEN];
9379         enum wpa_driver_if_type type = WPA_IF_STATION;
9380
9381         /*
9382          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
9383          * TAB<bridge_ifname>[TAB<create>[TAB<interface_type>]]
9384          */
9385         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
9386
9387         os_memset(&iface, 0, sizeof(iface));
9388
9389         do {
9390                 iface.ifname = pos = cmd;
9391                 pos = os_strchr(pos, '\t');
9392                 if (pos)
9393                         *pos++ = '\0';
9394                 if (iface.ifname[0] == '\0')
9395                         return -1;
9396                 if (pos == NULL)
9397                         break;
9398
9399                 iface.confname = pos;
9400                 pos = os_strchr(pos, '\t');
9401                 if (pos)
9402                         *pos++ = '\0';
9403                 if (iface.confname[0] == '\0')
9404                         iface.confname = NULL;
9405                 if (pos == NULL)
9406                         break;
9407
9408                 iface.driver = pos;
9409                 pos = os_strchr(pos, '\t');
9410                 if (pos)
9411                         *pos++ = '\0';
9412                 if (iface.driver[0] == '\0')
9413                         iface.driver = NULL;
9414                 if (pos == NULL)
9415                         break;
9416
9417                 iface.ctrl_interface = pos;
9418                 pos = os_strchr(pos, '\t');
9419                 if (pos)
9420                         *pos++ = '\0';
9421                 if (iface.ctrl_interface[0] == '\0')
9422                         iface.ctrl_interface = NULL;
9423                 if (pos == NULL)
9424                         break;
9425
9426                 iface.driver_param = pos;
9427                 pos = os_strchr(pos, '\t');
9428                 if (pos)
9429                         *pos++ = '\0';
9430                 if (iface.driver_param[0] == '\0')
9431                         iface.driver_param = NULL;
9432                 if (pos == NULL)
9433                         break;
9434
9435                 iface.bridge_ifname = pos;
9436                 pos = os_strchr(pos, '\t');
9437                 if (pos)
9438                         *pos++ = '\0';
9439                 if (iface.bridge_ifname[0] == '\0')
9440                         iface.bridge_ifname = NULL;
9441                 if (pos == NULL)
9442                         break;
9443
9444                 extra = pos;
9445                 pos = os_strchr(pos, '\t');
9446                 if (pos)
9447                         *pos++ = '\0';
9448                 if (!extra[0])
9449                         break;
9450
9451                 if (os_strcmp(extra, "create") == 0) {
9452                         create_iface = 1;
9453                         if (!pos)
9454                                 break;
9455
9456                         if (os_strcmp(pos, "sta") == 0) {
9457                                 type = WPA_IF_STATION;
9458                         } else if (os_strcmp(pos, "ap") == 0) {
9459                                 type = WPA_IF_AP_BSS;
9460                         } else {
9461                                 wpa_printf(MSG_DEBUG,
9462                                            "INTERFACE_ADD unsupported interface type: '%s'",
9463                                            pos);
9464                                 return -1;
9465                         }
9466                 } else {
9467                         wpa_printf(MSG_DEBUG,
9468                                    "INTERFACE_ADD unsupported extra parameter: '%s'",
9469                                    extra);
9470                         return -1;
9471                 }
9472         } while (0);
9473
9474         if (create_iface) {
9475                 wpa_printf(MSG_DEBUG, "CTRL_IFACE creating interface '%s'",
9476                            iface.ifname);
9477                 if (!global->ifaces)
9478                         return -1;
9479                 if (wpa_drv_if_add(global->ifaces, type, iface.ifname,
9480                                    NULL, NULL, NULL, mac_addr, NULL) < 0) {
9481                         wpa_printf(MSG_ERROR,
9482                                    "CTRL_IFACE interface creation failed");
9483                         return -1;
9484                 }
9485
9486                 wpa_printf(MSG_DEBUG,
9487                            "CTRL_IFACE interface '%s' created with MAC addr: "
9488                            MACSTR, iface.ifname, MAC2STR(mac_addr));
9489         }
9490
9491         if (wpa_supplicant_get_iface(global, iface.ifname))
9492                 goto fail;
9493
9494         wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
9495         if (!wpa_s)
9496                 goto fail;
9497         wpa_s->added_vif = create_iface;
9498         return 0;
9499
9500 fail:
9501         if (create_iface)
9502                 wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, iface.ifname);
9503         return -1;
9504 }
9505
9506
9507 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
9508                                               char *cmd)
9509 {
9510         struct wpa_supplicant *wpa_s;
9511         int ret;
9512         unsigned int delete_iface;
9513
9514         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
9515
9516         wpa_s = wpa_supplicant_get_iface(global, cmd);
9517         if (wpa_s == NULL)
9518                 return -1;
9519         delete_iface = wpa_s->added_vif;
9520         ret = wpa_supplicant_remove_iface(global, wpa_s, 0);
9521         if (!ret && delete_iface) {
9522                 wpa_printf(MSG_DEBUG, "CTRL_IFACE deleting the interface '%s'",
9523                            cmd);
9524                 ret = wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, cmd);
9525         }
9526         return ret;
9527 }
9528
9529
9530 static void wpa_free_iface_info(struct wpa_interface_info *iface)
9531 {
9532         struct wpa_interface_info *prev;
9533
9534         while (iface) {
9535                 prev = iface;
9536                 iface = iface->next;
9537
9538                 os_free(prev->ifname);
9539                 os_free(prev->desc);
9540                 os_free(prev);
9541         }
9542 }
9543
9544
9545 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
9546                                             char *buf, int len)
9547 {
9548         int i, res;
9549         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
9550         char *pos, *end;
9551
9552         for (i = 0; wpa_drivers[i]; i++) {
9553                 const struct wpa_driver_ops *drv = wpa_drivers[i];
9554                 if (drv->get_interfaces == NULL)
9555                         continue;
9556                 tmp = drv->get_interfaces(global->drv_priv[i]);
9557                 if (tmp == NULL)
9558                         continue;
9559
9560                 if (last == NULL)
9561                         iface = last = tmp;
9562                 else
9563                         last->next = tmp;
9564                 while (last->next)
9565                         last = last->next;
9566         }
9567
9568         pos = buf;
9569         end = buf + len;
9570         for (tmp = iface; tmp; tmp = tmp->next) {
9571                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
9572                                   tmp->drv_name, tmp->ifname,
9573                                   tmp->desc ? tmp->desc : "");
9574                 if (os_snprintf_error(end - pos, res)) {
9575                         *pos = '\0';
9576                         break;
9577                 }
9578                 pos += res;
9579         }
9580
9581         wpa_free_iface_info(iface);
9582
9583         return pos - buf;
9584 }
9585
9586
9587 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
9588                                                   const char *input,
9589                                                   char *buf, int len)
9590 {
9591         int res;
9592         char *pos, *end;
9593         struct wpa_supplicant *wpa_s;
9594         int show_ctrl = 0;
9595
9596         if (input)
9597                 show_ctrl = !!os_strstr(input, "ctrl");
9598
9599         wpa_s = global->ifaces;
9600         pos = buf;
9601         end = buf + len;
9602
9603         while (wpa_s) {
9604                 if (show_ctrl)
9605                         res = os_snprintf(pos, end - pos, "%s ctrl_iface=%s\n",
9606                                           wpa_s->ifname,
9607                                           wpa_s->conf->ctrl_interface ?
9608                                           wpa_s->conf->ctrl_interface : "N/A");
9609                 else
9610                         res = os_snprintf(pos, end - pos, "%s\n",
9611                                           wpa_s->ifname);
9612
9613                 if (os_snprintf_error(end - pos, res)) {
9614                         *pos = '\0';
9615                         break;
9616                 }
9617                 pos += res;
9618                 wpa_s = wpa_s->next;
9619         }
9620         return pos - buf;
9621 }
9622
9623
9624 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
9625                                             const char *ifname,
9626                                             char *cmd, size_t *resp_len)
9627 {
9628         struct wpa_supplicant *wpa_s;
9629
9630         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9631                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
9632                         break;
9633         }
9634
9635         if (wpa_s == NULL) {
9636                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
9637                 if (resp)
9638                         *resp_len = os_strlen(resp);
9639                 else
9640                         *resp_len = 1;
9641                 return resp;
9642         }
9643
9644         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
9645 }
9646
9647
9648 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
9649                                                char *buf, size_t *resp_len)
9650 {
9651 #ifdef CONFIG_P2P
9652         static const char * cmd[] = {
9653                 "LIST_NETWORKS",
9654                 "P2P_FIND",
9655                 "P2P_STOP_FIND",
9656                 "P2P_LISTEN",
9657                 "P2P_GROUP_ADD",
9658                 "P2P_GET_PASSPHRASE",
9659                 "P2P_SERVICE_UPDATE",
9660                 "P2P_SERVICE_FLUSH",
9661                 "P2P_FLUSH",
9662                 "P2P_CANCEL",
9663                 "P2P_PRESENCE_REQ",
9664                 "P2P_EXT_LISTEN",
9665                 NULL
9666         };
9667         static const char * prefix[] = {
9668 #ifdef ANDROID
9669                 "DRIVER ",
9670 #endif /* ANDROID */
9671                 "GET_NETWORK ",
9672                 "REMOVE_NETWORK ",
9673                 "P2P_FIND ",
9674                 "P2P_CONNECT ",
9675                 "P2P_LISTEN ",
9676                 "P2P_GROUP_REMOVE ",
9677                 "P2P_GROUP_ADD ",
9678                 "P2P_GROUP_MEMBER ",
9679                 "P2P_PROV_DISC ",
9680                 "P2P_SERV_DISC_REQ ",
9681                 "P2P_SERV_DISC_CANCEL_REQ ",
9682                 "P2P_SERV_DISC_RESP ",
9683                 "P2P_SERV_DISC_EXTERNAL ",
9684                 "P2P_SERVICE_ADD ",
9685                 "P2P_SERVICE_DEL ",
9686                 "P2P_SERVICE_REP ",
9687                 "P2P_REJECT ",
9688                 "P2P_INVITE ",
9689                 "P2P_PEER ",
9690                 "P2P_SET ",
9691                 "P2P_UNAUTHORIZE ",
9692                 "P2P_PRESENCE_REQ ",
9693                 "P2P_EXT_LISTEN ",
9694                 "P2P_REMOVE_CLIENT ",
9695                 "WPS_NFC_TOKEN ",
9696                 "WPS_NFC_TAG_READ ",
9697                 "NFC_GET_HANDOVER_SEL ",
9698                 "NFC_GET_HANDOVER_REQ ",
9699                 "NFC_REPORT_HANDOVER ",
9700                 "P2P_ASP_PROVISION ",
9701                 "P2P_ASP_PROVISION_RESP ",
9702                 NULL
9703         };
9704         int found = 0;
9705         int i;
9706
9707         if (global->p2p_init_wpa_s == NULL)
9708                 return NULL;
9709
9710         for (i = 0; !found && cmd[i]; i++) {
9711                 if (os_strcmp(buf, cmd[i]) == 0)
9712                         found = 1;
9713         }
9714
9715         for (i = 0; !found && prefix[i]; i++) {
9716                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
9717                         found = 1;
9718         }
9719
9720         if (found)
9721                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9722                                                          buf, resp_len);
9723 #endif /* CONFIG_P2P */
9724         return NULL;
9725 }
9726
9727
9728 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
9729                                                char *buf, size_t *resp_len)
9730 {
9731 #ifdef CONFIG_WIFI_DISPLAY
9732         if (global->p2p_init_wpa_s == NULL)
9733                 return NULL;
9734         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
9735             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
9736                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9737                                                          buf, resp_len);
9738 #endif /* CONFIG_WIFI_DISPLAY */
9739         return NULL;
9740 }
9741
9742
9743 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
9744                                            char *buf, size_t *resp_len)
9745 {
9746         char *ret;
9747
9748         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
9749         if (ret)
9750                 return ret;
9751
9752         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
9753         if (ret)
9754                 return ret;
9755
9756         return NULL;
9757 }
9758
9759
9760 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
9761 {
9762         char *value;
9763
9764         value = os_strchr(cmd, ' ');
9765         if (value == NULL)
9766                 return -1;
9767         *value++ = '\0';
9768
9769         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
9770
9771 #ifdef CONFIG_WIFI_DISPLAY
9772         if (os_strcasecmp(cmd, "wifi_display") == 0) {
9773                 wifi_display_enable(global, !!atoi(value));
9774                 return 0;
9775         }
9776 #endif /* CONFIG_WIFI_DISPLAY */
9777
9778         /* Restore cmd to its original value to allow redirection */
9779         value[-1] = ' ';
9780
9781         return -1;
9782 }
9783
9784
9785 static int wpas_global_ctrl_iface_dup_network(struct wpa_global *global,
9786                                               char *cmd)
9787 {
9788         struct wpa_supplicant *wpa_s[2]; /* src, dst */
9789         char *p;
9790         unsigned int i;
9791
9792         /* cmd: "<src ifname> <dst ifname> <src network id> <dst network id>
9793          * <variable name> */
9794
9795         for (i = 0; i < ARRAY_SIZE(wpa_s) ; i++) {
9796                 p = os_strchr(cmd, ' ');
9797                 if (p == NULL)
9798                         return -1;
9799                 *p = '\0';
9800
9801                 wpa_s[i] = global->ifaces;
9802                 for (; wpa_s[i]; wpa_s[i] = wpa_s[i]->next) {
9803                         if (os_strcmp(cmd, wpa_s[i]->ifname) == 0)
9804                                 break;
9805                 }
9806
9807                 if (!wpa_s[i]) {
9808                         wpa_printf(MSG_DEBUG,
9809                                    "CTRL_IFACE: Could not find iface=%s", cmd);
9810                         return -1;
9811                 }
9812
9813                 cmd = p + 1;
9814         }
9815
9816         return wpa_supplicant_ctrl_iface_dup_network(wpa_s[0], cmd, wpa_s[1]);
9817 }
9818
9819
9820 #ifndef CONFIG_NO_CONFIG_WRITE
9821 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
9822 {
9823         int ret = 0, saved = 0;
9824         struct wpa_supplicant *wpa_s;
9825
9826         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9827                 if (!wpa_s->conf->update_config) {
9828                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
9829                         continue;
9830                 }
9831
9832                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
9833                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
9834                         ret = 1;
9835                 } else {
9836                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
9837                         saved++;
9838                 }
9839         }
9840
9841         if (!saved && !ret) {
9842                 wpa_dbg(wpa_s, MSG_DEBUG,
9843                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
9844                 ret = 1;
9845         }
9846
9847         return ret;
9848 }
9849 #endif /* CONFIG_NO_CONFIG_WRITE */
9850
9851
9852 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
9853                                          char *buf, size_t buflen)
9854 {
9855         char *pos, *end;
9856         int ret;
9857         struct wpa_supplicant *wpa_s;
9858
9859         pos = buf;
9860         end = buf + buflen;
9861
9862 #ifdef CONFIG_P2P
9863         if (global->p2p && !global->p2p_disabled) {
9864                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
9865                                   "\n"
9866                                   "p2p_state=%s\n",
9867                                   MAC2STR(global->p2p_dev_addr),
9868                                   p2p_get_state_txt(global->p2p));
9869                 if (os_snprintf_error(end - pos, ret))
9870                         return pos - buf;
9871                 pos += ret;
9872         } else if (global->p2p) {
9873                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
9874                 if (os_snprintf_error(end - pos, ret))
9875                         return pos - buf;
9876                 pos += ret;
9877         }
9878 #endif /* CONFIG_P2P */
9879
9880 #ifdef CONFIG_WIFI_DISPLAY
9881         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
9882                           !!global->wifi_display);
9883         if (os_snprintf_error(end - pos, ret))
9884                 return pos - buf;
9885         pos += ret;
9886 #endif /* CONFIG_WIFI_DISPLAY */
9887
9888         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9889                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
9890                                   "address=" MACSTR "\n",
9891                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
9892                 if (os_snprintf_error(end - pos, ret))
9893                         return pos - buf;
9894                 pos += ret;
9895         }
9896
9897         return pos - buf;
9898 }
9899
9900
9901 #ifdef CONFIG_FST
9902
9903 static int wpas_global_ctrl_iface_fst_attach(struct wpa_global *global,
9904                                              char *cmd, char *buf,
9905                                              size_t reply_size)
9906 {
9907         char ifname[IFNAMSIZ + 1];
9908         struct fst_iface_cfg cfg;
9909         struct wpa_supplicant *wpa_s;
9910         struct fst_wpa_obj iface_obj;
9911
9912         if (!fst_parse_attach_command(cmd, ifname, sizeof(ifname), &cfg)) {
9913                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9914                 if (wpa_s) {
9915                         if (wpa_s->fst) {
9916                                 wpa_printf(MSG_INFO, "FST: Already attached");
9917                                 return -1;
9918                         }
9919                         fst_wpa_supplicant_fill_iface_obj(wpa_s, &iface_obj);
9920                         wpa_s->fst = fst_attach(ifname, wpa_s->own_addr,
9921                                                 &iface_obj, &cfg);
9922                         if (wpa_s->fst)
9923                                 return os_snprintf(buf, reply_size, "OK\n");
9924                 }
9925         }
9926
9927         return -1;
9928 }
9929
9930
9931 static int wpas_global_ctrl_iface_fst_detach(struct wpa_global *global,
9932                                              char *cmd, char *buf,
9933                                              size_t reply_size)
9934 {
9935         char ifname[IFNAMSIZ + 1];
9936         struct wpa_supplicant *wpa_s;
9937
9938         if (!fst_parse_detach_command(cmd, ifname, sizeof(ifname))) {
9939                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9940                 if (wpa_s) {
9941                         if (!fst_iface_detach(ifname)) {
9942                                 wpa_s->fst = NULL;
9943                                 return os_snprintf(buf, reply_size, "OK\n");
9944                         }
9945                 }
9946         }
9947
9948         return -1;
9949 }
9950
9951 #endif /* CONFIG_FST */
9952
9953
9954 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
9955                                                 char *buf, size_t *resp_len)
9956 {
9957         char *reply;
9958         const int reply_size = 2048;
9959         int reply_len;
9960         int level = MSG_DEBUG;
9961
9962         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
9963                 char *pos = os_strchr(buf + 7, ' ');
9964                 if (pos) {
9965                         *pos++ = '\0';
9966                         return wpas_global_ctrl_iface_ifname(global,
9967                                                              buf + 7, pos,
9968                                                              resp_len);
9969                 }
9970         }
9971
9972         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
9973         if (reply)
9974                 return reply;
9975
9976         if (os_strcmp(buf, "PING") == 0)
9977                 level = MSG_EXCESSIVE;
9978         wpa_hexdump_ascii(level, "RX global ctrl_iface",
9979                           (const u8 *) buf, os_strlen(buf));
9980
9981         reply = os_malloc(reply_size);
9982         if (reply == NULL) {
9983                 *resp_len = 1;
9984                 return NULL;
9985         }
9986
9987         os_memcpy(reply, "OK\n", 3);
9988         reply_len = 3;
9989
9990         if (os_strcmp(buf, "PING") == 0) {
9991                 os_memcpy(reply, "PONG\n", 5);
9992                 reply_len = 5;
9993         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
9994                 if (wpa_supplicant_global_iface_add(global, buf + 14))
9995                         reply_len = -1;
9996         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
9997                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
9998                         reply_len = -1;
9999         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
10000                 reply_len = wpa_supplicant_global_iface_list(
10001                         global, reply, reply_size);
10002         } else if (os_strncmp(buf, "INTERFACES", 10) == 0) {
10003                 reply_len = wpa_supplicant_global_iface_interfaces(
10004                         global, buf + 10, reply, reply_size);
10005 #ifdef CONFIG_FST
10006         } else if (os_strncmp(buf, "FST-ATTACH ", 11) == 0) {
10007                 reply_len = wpas_global_ctrl_iface_fst_attach(global, buf + 11,
10008                                                               reply,
10009                                                               reply_size);
10010         } else if (os_strncmp(buf, "FST-DETACH ", 11) == 0) {
10011                 reply_len = wpas_global_ctrl_iface_fst_detach(global, buf + 11,
10012                                                               reply,
10013                                                               reply_size);
10014         } else if (os_strncmp(buf, "FST-MANAGER ", 12) == 0) {
10015                 reply_len = fst_ctrl_iface_receive(buf + 12, reply, reply_size);
10016 #endif /* CONFIG_FST */
10017         } else if (os_strcmp(buf, "TERMINATE") == 0) {
10018                 wpa_supplicant_terminate_proc(global);
10019         } else if (os_strcmp(buf, "SUSPEND") == 0) {
10020                 wpas_notify_suspend(global);
10021         } else if (os_strcmp(buf, "RESUME") == 0) {
10022                 wpas_notify_resume(global);
10023         } else if (os_strncmp(buf, "SET ", 4) == 0) {
10024                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
10025 #ifdef CONFIG_P2P
10026                         if (global->p2p_init_wpa_s) {
10027                                 os_free(reply);
10028                                 /* Check if P2P redirection would work for this
10029                                  * command. */
10030                                 return wpa_supplicant_ctrl_iface_process(
10031                                         global->p2p_init_wpa_s,
10032                                         buf, resp_len);
10033                         }
10034 #endif /* CONFIG_P2P */
10035                         reply_len = -1;
10036                 }
10037         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
10038                 if (wpas_global_ctrl_iface_dup_network(global, buf + 12))
10039                         reply_len = -1;
10040 #ifndef CONFIG_NO_CONFIG_WRITE
10041         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
10042                 if (wpas_global_ctrl_iface_save_config(global))
10043                         reply_len = -1;
10044 #endif /* CONFIG_NO_CONFIG_WRITE */
10045         } else if (os_strcmp(buf, "STATUS") == 0) {
10046                 reply_len = wpas_global_ctrl_iface_status(global, reply,
10047                                                           reply_size);
10048 #ifdef CONFIG_MODULE_TESTS
10049         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
10050                 if (wpas_module_tests() < 0)
10051                         reply_len = -1;
10052 #endif /* CONFIG_MODULE_TESTS */
10053         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
10054                 if (wpa_debug_reopen_file() < 0)
10055                         reply_len = -1;
10056         } else {
10057                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
10058                 reply_len = 16;
10059         }
10060
10061         if (reply_len < 0) {
10062                 os_memcpy(reply, "FAIL\n", 5);
10063                 reply_len = 5;
10064         }
10065
10066         *resp_len = reply_len;
10067         return reply;
10068 }