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