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 "common/version.h"
  19 #include "common/ieee802_11_defs.h"
  20 #include "common/ieee802_11_common.h"
  21 #include "common/wpa_ctrl.h"
  22 #include "crypto/tls.h"
  23 #include "ap/hostapd.h"
  24 #include "eap_peer/eap.h"
  25 #include "eapol_supp/eapol_supp_sm.h"
  26 #include "rsn_supp/wpa.h"
  27 #include "rsn_supp/preauth.h"
  28 #include "rsn_supp/pmksa_cache.h"
  29 #include "l2_packet/l2_packet.h"
  30 #include "wps/wps.h"
  31 #include "fst/fst.h"
  32 #include "fst/fst_ctrl_iface.h"
  33 #include "config.h"
  34 #include "wpa_supplicant_i.h"
  35 #include "driver_i.h"
  36 #include "wps_supplicant.h"
  37 #include "ibss_rsn.h"
  38 #include "ap.h"
  39 #include "p2p_supplicant.h"
  40 #include "p2p/p2p.h"
  41 #include "hs20_supplicant.h"
  42 #include "wifi_display.h"
  43 #include "notify.h"
  44 #include "bss.h"
  45 #include "scan.h"
  46 #include "ctrl_iface.h"
  47 #include "interworking.h"
  48 #include "blacklist.h"
  49 #include "autoscan.h"
  50 #include "wnm_sta.h"
  51 #include "offchannel.h"
  52 #include "drivers/driver.h"
  53 #include "mesh.h"
  54
  55 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
  56                                             char *buf, int len);
  57 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
  58                                                   const char *input,
  59                                                   char *buf, int len);
  60 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
  61                                         char *val);
  62
  63 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
  64 {
  65         char *pos;
  66         u8 addr[ETH_ALEN], *filter = NULL, *n;
  67         size_t count = 0;
  68
  69         pos = val;
  70         while (pos) {
  71                 if (*pos == '\0')
  72                         break;
  73                 if (hwaddr_aton(pos, addr)) {
  74                         os_free(filter);
  75                         return -1;
  76                 }
  77                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
  78                 if (n == NULL) {
  79                         os_free(filter);
  80                         return -1;
  81                 }
  82                 filter = n;
  83                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
  84                 count++;
  85
  86                 pos = os_strchr(pos, ' ');
  87                 if (pos)
  88                         pos++;
  89         }
  90
  91         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
  92         os_free(wpa_s->bssid_filter);
  93         wpa_s->bssid_filter = filter;
  94         wpa_s->bssid_filter_count = count;
  95
  96         return 0;
  97 }
  98
  99
 100 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
 101 {
 102         char *pos;
 103         u8 addr[ETH_ALEN], *bssid = NULL, *n;
 104         struct wpa_ssid_value *ssid = NULL, *ns;
 105         size_t count = 0, ssid_count = 0;
 106         struct wpa_ssid *c;
 107
 108         /*
 109          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
 110          * SSID_SPEC ::= ssid <SSID_HEX>
 111          * BSSID_SPEC ::= bssid <BSSID_HEX>
 112          */
 113
 114         pos = val;
 115         while (pos) {
 116                 if (*pos == '\0')
 117                         break;
 118                 if (os_strncmp(pos, "bssid ", 6) == 0) {
 119                         int res;
 120                         pos += 6;
 121                         res = hwaddr_aton2(pos, addr);
 122                         if (res < 0) {
 123                                 os_free(ssid);
 124                                 os_free(bssid);
 125                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 126                                            "BSSID value '%s'", pos);
 127                                 return -1;
 128                         }
 129                         pos += res;
 130                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
 131                         if (n == NULL) {
 132                                 os_free(ssid);
 133                                 os_free(bssid);
 134                                 return -1;
 135                         }
 136                         bssid = n;
 137                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
 138                         count++;
 139                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
 140                         char *end;
 141                         pos += 5;
 142
 143                         end = pos;
 144                         while (*end) {
 145                                 if (*end == '\0' || *end == ' ')
 146                                         break;
 147                                 end++;
 148                         }
 149
 150                         ns = os_realloc_array(ssid, ssid_count + 1,
 151                                               sizeof(struct wpa_ssid_value));
 152                         if (ns == NULL) {
 153                                 os_free(ssid);
 154                                 os_free(bssid);
 155                                 return -1;
 156                         }
 157                         ssid = ns;
 158
 159                         if ((end - pos) & 0x01 ||
 160                             end - pos > 2 * SSID_MAX_LEN ||
 161                             hexstr2bin(pos, ssid[ssid_count].ssid,
 162                                        (end - pos) / 2) < 0) {
 163                                 os_free(ssid);
 164                                 os_free(bssid);
 165                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 166                                            "SSID value '%s'", pos);
 167                                 return -1;
 168                         }
 169                         ssid[ssid_count].ssid_len = (end - pos) / 2;
 170                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
 171                                           ssid[ssid_count].ssid,
 172                                           ssid[ssid_count].ssid_len);
 173                         ssid_count++;
 174                         pos = end;
 175                 } else {
 176                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
 177                                    "'%s'", pos);
 178                         os_free(ssid);
 179                         os_free(bssid);
 180                         return -1;
 181                 }
 182
 183                 pos = os_strchr(pos, ' ');
 184                 if (pos)
 185                         pos++;
 186         }
 187
 188         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
 189         os_free(wpa_s->disallow_aps_bssid);
 190         wpa_s->disallow_aps_bssid = bssid;
 191         wpa_s->disallow_aps_bssid_count = count;
 192
 193         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
 194         os_free(wpa_s->disallow_aps_ssid);
 195         wpa_s->disallow_aps_ssid = ssid;
 196         wpa_s->disallow_aps_ssid_count = ssid_count;
 197
 198         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
 199                 return 0;
 200
 201         c = wpa_s->current_ssid;
 202         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
 203                 return 0;
 204
 205         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
 206             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
 207                 return 0;
 208
 209         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
 210                    "because current AP was marked disallowed");
 211
 212 #ifdef CONFIG_SME
 213         wpa_s->sme.prev_bssid_set = 0;
 214 #endif /* CONFIG_SME */
 215         wpa_s->reassociate = 1;
 216         wpa_s->own_disconnect_req = 1;
 217         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
 218         wpa_supplicant_req_scan(wpa_s, 0, 0);
 219
 220         return 0;
 221 }
 222
 223
 224 #ifndef CONFIG_NO_CONFIG_BLOBS
 225 static int wpas_ctrl_set_blob(struct wpa_supplicant *wpa_s, char *pos)
 226 {
 227         char *name = pos;
 228         struct wpa_config_blob *blob;
 229         size_t len;
 230
 231         pos = os_strchr(pos, ' ');
 232         if (pos == NULL)
 233                 return -1;
 234         *pos++ = '\0';
 235         len = os_strlen(pos);
 236         if (len & 1)
 237                 return -1;
 238
 239         wpa_printf(MSG_DEBUG, "CTRL: Set blob '%s'", name);
 240         blob = os_zalloc(sizeof(*blob));
 241         if (blob == NULL)
 242                 return -1;
 243         blob->name = os_strdup(name);
 244         blob->data = os_malloc(len / 2);
 245         if (blob->name == NULL || blob->data == NULL) {
 246                 wpa_config_free_blob(blob);
 247                 return -1;
 248         }
 249
 250         if (hexstr2bin(pos, blob->data, len / 2) < 0) {
 251                 wpa_printf(MSG_DEBUG, "CTRL: Invalid blob hex data");
 252                 wpa_config_free_blob(blob);
 253                 return -1;
 254         }
 255         blob->len = len / 2;
 256
 257         wpa_config_set_blob(wpa_s->conf, blob);
 258
 259         return 0;
 260 }
 261 #endif /* CONFIG_NO_CONFIG_BLOBS */
 262
 263
 264 static int wpas_ctrl_pno(struct wpa_supplicant *wpa_s, char *cmd)
 265 {
 266         char *params;
 267         char *pos;
 268         int *freqs = NULL;
 269         int ret;
 270
 271         if (atoi(cmd)) {
 272                 params = os_strchr(cmd, ' ');
 273                 os_free(wpa_s->manual_sched_scan_freqs);
 274                 if (params) {
 275                         params++;
 276                         pos = os_strstr(params, "freq=");
 277                         if (pos)
 278                                 freqs = freq_range_to_channel_list(wpa_s,
 279                                                                    pos + 5);
 280                 }
 281                 wpa_s->manual_sched_scan_freqs = freqs;
 282                 ret = wpas_start_pno(wpa_s);
 283         } else {
 284                 ret = wpas_stop_pno(wpa_s);
 285         }
 286         return ret;
 287 }
 288
 289
 290 static int wpas_ctrl_set_band(struct wpa_supplicant *wpa_s, char *band)
 291 {
 292         union wpa_event_data event;
 293
 294         if (os_strcmp(band, "AUTO") == 0)
 295                 wpa_s->setband = WPA_SETBAND_AUTO;
 296         else if (os_strcmp(band, "5G") == 0)
 297                 wpa_s->setband = WPA_SETBAND_5G;
 298         else if (os_strcmp(band, "2G") == 0)
 299                 wpa_s->setband = WPA_SETBAND_2G;
 300         else
 301                 return -1;
 302
 303         if (wpa_drv_setband(wpa_s, wpa_s->setband) == 0) {
 304                 os_memset(&event, 0, sizeof(event));
 305                 event.channel_list_changed.initiator = REGDOM_SET_BY_USER;
 306                 event.channel_list_changed.type = REGDOM_TYPE_UNKNOWN;
 307                 wpa_supplicant_event(wpa_s, EVENT_CHANNEL_LIST_CHANGED, &event);
 308         }
 309
 310         return 0;
 311 }
 312
 313
 314 static int wpas_ctrl_iface_set_lci(struct wpa_supplicant *wpa_s,
 315                                    const char *cmd)
 316 {
 317         struct wpabuf *lci;
 318
 319         if (*cmd == '\0' || os_strcmp(cmd, "\"\"") == 0) {
 320                 wpabuf_free(wpa_s->lci);
 321                 wpa_s->lci = NULL;
 322                 return 0;
 323         }
 324
 325         lci = wpabuf_parse_bin(cmd);
 326         if (!lci)
 327                 return -1;
 328
 329         if (os_get_reltime(&wpa_s->lci_time)) {
 330                 wpabuf_free(lci);
 331                 return -1;
 332         }
 333
 334         wpabuf_free(wpa_s->lci);
 335         wpa_s->lci = lci;
 336
 337         return 0;
 338 }
 339
 340
 341 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
 342                                          char *cmd)
 343 {
 344         char *value;
 345         int ret = 0;
 346
 347         value = os_strchr(cmd, ' ');
 348         if (value == NULL)
 349                 return -1;
 350         *value++ = '\0';
 351
 352         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
 353         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
 354                 eapol_sm_configure(wpa_s->eapol,
 355                                    atoi(value), -1, -1, -1);
 356         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
 357                 eapol_sm_configure(wpa_s->eapol,
 358                                    -1, atoi(value), -1, -1);
 359         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
 360                 eapol_sm_configure(wpa_s->eapol,
 361                                    -1, -1, atoi(value), -1);
 362         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
 363                 eapol_sm_configure(wpa_s->eapol,
 364                                    -1, -1, -1, atoi(value));
 365         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
 366                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
 367                                      atoi(value)))
 368                         ret = -1;
 369         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
 370                    0) {
 371                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
 372                                      atoi(value)))
 373                         ret = -1;
 374         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
 375                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
 376                         ret = -1;
 377         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
 378                 wpa_s->wps_fragment_size = atoi(value);
 379 #ifdef CONFIG_WPS_TESTING
 380         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
 381                 long int val;
 382                 val = strtol(value, NULL, 0);
 383                 if (val < 0 || val > 0xff) {
 384                         ret = -1;
 385                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
 386                                    "wps_version_number %ld", val);
 387                 } else {
 388                         wps_version_number = val;
 389                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
 390                                    "version %u.%u",
 391                                    (wps_version_number & 0xf0) >> 4,
 392                                    wps_version_number & 0x0f);
 393                 }
 394         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
 395                 wps_testing_dummy_cred = atoi(value);
 396                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
 397                            wps_testing_dummy_cred);
 398         } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
 399                 wps_corrupt_pkhash = atoi(value);
 400                 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
 401                            wps_corrupt_pkhash);
 402         } else if (os_strcasecmp(cmd, "wps_force_auth_types") == 0) {
 403                 if (value[0] == '\0') {
 404                         wps_force_auth_types_in_use = 0;
 405                 } else {
 406                         wps_force_auth_types = strtol(value, NULL, 0);
 407                         wps_force_auth_types_in_use = 1;
 408                 }
 409         } else if (os_strcasecmp(cmd, "wps_force_encr_types") == 0) {
 410                 if (value[0] == '\0') {
 411                         wps_force_encr_types_in_use = 0;
 412                 } else {
 413                         wps_force_encr_types = strtol(value, NULL, 0);
 414                         wps_force_encr_types_in_use = 1;
 415                 }
 416 #endif /* CONFIG_WPS_TESTING */
 417         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
 418                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
 419                         ret = -1;
 420 #ifdef CONFIG_TDLS
 421 #ifdef CONFIG_TDLS_TESTING
 422         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
 423                 extern unsigned int tdls_testing;
 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_config_add_network(wpa_s->conf);
2923         if (ssid == NULL)
2924                 return -1;
2925
2926         wpas_notify_network_added(wpa_s, ssid);
2927
2928         ssid->disabled = 1;
2929         wpa_config_set_network_defaults(ssid);
2930
2931         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2932         if (os_snprintf_error(buflen, ret))
2933                 return -1;
2934         return ret;
2935 }
2936
2937
2938 static int wpa_supplicant_ctrl_iface_remove_network(
2939         struct wpa_supplicant *wpa_s, char *cmd)
2940 {
2941         int id;
2942         struct wpa_ssid *ssid;
2943         int was_disabled;
2944
2945         /* cmd: "<network id>" or "all" */
2946         if (os_strcmp(cmd, "all") == 0) {
2947                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2948                 if (wpa_s->sched_scanning)
2949                         wpa_supplicant_cancel_sched_scan(wpa_s);
2950
2951                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2952                 if (wpa_s->current_ssid) {
2953 #ifdef CONFIG_SME
2954                         wpa_s->sme.prev_bssid_set = 0;
2955 #endif /* CONFIG_SME */
2956                         wpa_sm_set_config(wpa_s->wpa, NULL);
2957                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2958                         if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2959                                 wpa_s->own_disconnect_req = 1;
2960                         wpa_supplicant_deauthenticate(
2961                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2962                 }
2963                 ssid = wpa_s->conf->ssid;
2964                 while (ssid) {
2965                         struct wpa_ssid *remove_ssid = ssid;
2966                         id = ssid->id;
2967                         ssid = ssid->next;
2968                         if (wpa_s->last_ssid == remove_ssid)
2969                                 wpa_s->last_ssid = NULL;
2970                         wpas_notify_network_removed(wpa_s, remove_ssid);
2971                         wpa_config_remove_network(wpa_s->conf, id);
2972                 }
2973                 return 0;
2974         }
2975
2976         id = atoi(cmd);
2977         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2978
2979         ssid = wpa_config_get_network(wpa_s->conf, id);
2980         if (ssid)
2981                 wpas_notify_network_removed(wpa_s, ssid);
2982         if (ssid == NULL) {
2983                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2984                            "id=%d", id);
2985                 return -1;
2986         }
2987
2988         if (wpa_s->last_ssid == ssid)
2989                 wpa_s->last_ssid = NULL;
2990
2991         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2992 #ifdef CONFIG_SME
2993                 wpa_s->sme.prev_bssid_set = 0;
2994 #endif /* CONFIG_SME */
2995                 /*
2996                  * Invalidate the EAP session cache if the current or
2997                  * previously used network is removed.
2998                  */
2999                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
3000         }
3001
3002         if (ssid == wpa_s->current_ssid) {
3003                 wpa_sm_set_config(wpa_s->wpa, NULL);
3004                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
3005
3006                 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
3007                         wpa_s->own_disconnect_req = 1;
3008                 wpa_supplicant_deauthenticate(wpa_s,
3009                                               WLAN_REASON_DEAUTH_LEAVING);
3010         }
3011
3012         was_disabled = ssid->disabled;
3013
3014         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
3015                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
3016                            "network id=%d", id);
3017                 return -1;
3018         }
3019
3020         if (!was_disabled && wpa_s->sched_scanning) {
3021                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
3022                            "network from filters");
3023                 wpa_supplicant_cancel_sched_scan(wpa_s);
3024                 wpa_supplicant_req_scan(wpa_s, 0, 0);
3025         }
3026
3027         return 0;
3028 }
3029
3030
3031 static int wpa_supplicant_ctrl_iface_update_network(
3032         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
3033         char *name, char *value)
3034 {
3035         int ret;
3036
3037         ret = wpa_config_set(ssid, name, value, 0);
3038         if (ret < 0) {
3039                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
3040                            "variable '%s'", name);
3041                 return -1;
3042         }
3043         if (ret == 1)
3044                 return 0; /* No change to the previously configured value */
3045
3046         if (os_strcmp(name, "bssid") != 0 &&
3047             os_strcmp(name, "priority") != 0) {
3048                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
3049
3050                 if (wpa_s->current_ssid == ssid ||
3051                     wpa_s->current_ssid == NULL) {
3052                         /*
3053                          * Invalidate the EAP session cache if anything in the
3054                          * current or previously used configuration changes.
3055                          */
3056                         eapol_sm_invalidate_cached_session(wpa_s->eapol);
3057                 }
3058         }
3059
3060         if ((os_strcmp(name, "psk") == 0 &&
3061              value[0] == '"' && ssid->ssid_len) ||
3062             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
3063                 wpa_config_update_psk(ssid);
3064         else if (os_strcmp(name, "priority") == 0)
3065                 wpa_config_update_prio_list(wpa_s->conf);
3066
3067         return 0;
3068 }
3069
3070
3071 static int wpa_supplicant_ctrl_iface_set_network(
3072         struct wpa_supplicant *wpa_s, char *cmd)
3073 {
3074         int id, ret, prev_bssid_set, prev_disabled;
3075         struct wpa_ssid *ssid;
3076         char *name, *value;
3077         u8 prev_bssid[ETH_ALEN];
3078
3079         /* cmd: "<network id> <variable name> <value>" */
3080         name = os_strchr(cmd, ' ');
3081         if (name == NULL)
3082                 return -1;
3083         *name++ = '\0';
3084
3085         value = os_strchr(name, ' ');
3086         if (value == NULL)
3087                 return -1;
3088         *value++ = '\0';
3089
3090         id = atoi(cmd);
3091         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
3092                    id, name);
3093         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3094                               (u8 *) value, os_strlen(value));
3095
3096         ssid = wpa_config_get_network(wpa_s->conf, id);
3097         if (ssid == NULL) {
3098                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3099                            "id=%d", id);
3100                 return -1;
3101         }
3102
3103         prev_bssid_set = ssid->bssid_set;
3104         prev_disabled = ssid->disabled;
3105         os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
3106         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
3107                                                        value);
3108         if (ret == 0 &&
3109             (ssid->bssid_set != prev_bssid_set ||
3110              os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
3111                 wpas_notify_network_bssid_set_changed(wpa_s, ssid);
3112
3113         if (prev_disabled != ssid->disabled &&
3114             (prev_disabled == 2 || ssid->disabled == 2))
3115                 wpas_notify_network_type_changed(wpa_s, ssid);
3116
3117         return ret;
3118 }
3119
3120
3121 static int wpa_supplicant_ctrl_iface_get_network(
3122         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
3123 {
3124         int id;
3125         size_t res;
3126         struct wpa_ssid *ssid;
3127         char *name, *value;
3128
3129         /* cmd: "<network id> <variable name>" */
3130         name = os_strchr(cmd, ' ');
3131         if (name == NULL || buflen == 0)
3132                 return -1;
3133         *name++ = '\0';
3134
3135         id = atoi(cmd);
3136         wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
3137                    id, name);
3138
3139         ssid = wpa_config_get_network(wpa_s->conf, id);
3140         if (ssid == NULL) {
3141                 wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: Could not find network "
3142                            "id=%d", id);
3143                 return -1;
3144         }
3145
3146         value = wpa_config_get_no_key(ssid, name);
3147         if (value == NULL) {
3148                 wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: Failed to get network "
3149                            "variable '%s'", name);
3150                 return -1;
3151         }
3152
3153         res = os_strlcpy(buf, value, buflen);
3154         if (res >= buflen) {
3155                 os_free(value);
3156                 return -1;
3157         }
3158
3159         os_free(value);
3160
3161         return res;
3162 }
3163
3164
3165 static int wpa_supplicant_ctrl_iface_dup_network(
3166         struct wpa_supplicant *wpa_s, char *cmd,
3167         struct wpa_supplicant *dst_wpa_s)
3168 {
3169         struct wpa_ssid *ssid_s, *ssid_d;
3170         char *name, *id, *value;
3171         int id_s, id_d, ret;
3172
3173         /* cmd: "<src network id> <dst network id> <variable name>" */
3174         id = os_strchr(cmd, ' ');
3175         if (id == NULL)
3176                 return -1;
3177         *id++ = '\0';
3178
3179         name = os_strchr(id, ' ');
3180         if (name == NULL)
3181                 return -1;
3182         *name++ = '\0';
3183
3184         id_s = atoi(cmd);
3185         id_d = atoi(id);
3186
3187         wpa_printf(MSG_DEBUG,
3188                    "CTRL_IFACE: DUP_NETWORK ifname=%s->%s id=%d->%d name='%s'",
3189                    wpa_s->ifname, dst_wpa_s->ifname, id_s, id_d, name);
3190
3191         ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
3192         if (ssid_s == NULL) {
3193                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3194                            "network id=%d", id_s);
3195                 return -1;
3196         }
3197
3198         ssid_d = wpa_config_get_network(dst_wpa_s->conf, id_d);
3199         if (ssid_d == NULL) {
3200                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3201                            "network id=%d", id_d);
3202                 return -1;
3203         }
3204
3205         value = wpa_config_get(ssid_s, name);
3206         if (value == NULL) {
3207                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3208                            "variable '%s'", name);
3209                 return -1;
3210         }
3211
3212         ret = wpa_supplicant_ctrl_iface_update_network(dst_wpa_s, ssid_d, name,
3213                                                        value);
3214
3215         os_free(value);
3216
3217         return ret;
3218 }
3219
3220
3221 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
3222                                                 char *buf, size_t buflen)
3223 {
3224         char *pos, *end;
3225         struct wpa_cred *cred;
3226         int ret;
3227
3228         pos = buf;
3229         end = buf + buflen;
3230         ret = os_snprintf(pos, end - pos,
3231                           "cred id / realm / username / domain / imsi\n");
3232         if (os_snprintf_error(end - pos, ret))
3233                 return pos - buf;
3234         pos += ret;
3235
3236         cred = wpa_s->conf->cred;
3237         while (cred) {
3238                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
3239                                   cred->id, cred->realm ? cred->realm : "",
3240                                   cred->username ? cred->username : "",
3241                                   cred->domain ? cred->domain[0] : "",
3242                                   cred->imsi ? cred->imsi : "");
3243                 if (os_snprintf_error(end - pos, ret))
3244                         return pos - buf;
3245                 pos += ret;
3246
3247                 cred = cred->next;
3248         }
3249
3250         return pos - buf;
3251 }
3252
3253
3254 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
3255                                               char *buf, size_t buflen)
3256 {
3257         struct wpa_cred *cred;
3258         int ret;
3259
3260         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
3261
3262         cred = wpa_config_add_cred(wpa_s->conf);
3263         if (cred == NULL)
3264                 return -1;
3265
3266         wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
3267
3268         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
3269         if (os_snprintf_error(buflen, ret))
3270                 return -1;
3271         return ret;
3272 }
3273
3274
3275 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
3276                                  struct wpa_cred *cred)
3277 {
3278         struct wpa_ssid *ssid;
3279         char str[20];
3280         int id;
3281
3282         if (cred == NULL) {
3283                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3284                 return -1;
3285         }
3286
3287         id = cred->id;
3288         if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
3289                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3290                 return -1;
3291         }
3292
3293         wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
3294
3295         /* Remove any network entry created based on the removed credential */
3296         ssid = wpa_s->conf->ssid;
3297         while (ssid) {
3298                 if (ssid->parent_cred == cred) {
3299                         int res;
3300
3301                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
3302                                    "used the removed credential", ssid->id);
3303                         res = os_snprintf(str, sizeof(str), "%d", ssid->id);
3304                         if (os_snprintf_error(sizeof(str), res))
3305                                 str[sizeof(str) - 1] = '\0';
3306                         ssid = ssid->next;
3307                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
3308                 } else
3309                         ssid = ssid->next;
3310         }
3311
3312         return 0;
3313 }
3314
3315
3316 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
3317                                                  char *cmd)
3318 {
3319         int id;
3320         struct wpa_cred *cred, *prev;
3321
3322         /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
3323          * "provisioning_sp=<FQDN> */
3324         if (os_strcmp(cmd, "all") == 0) {
3325                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
3326                 cred = wpa_s->conf->cred;
3327                 while (cred) {
3328                         prev = cred;
3329                         cred = cred->next;
3330                         wpas_ctrl_remove_cred(wpa_s, prev);
3331                 }
3332                 return 0;
3333         }
3334
3335         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
3336                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
3337                            cmd + 8);
3338                 cred = wpa_s->conf->cred;
3339                 while (cred) {
3340                         prev = cred;
3341                         cred = cred->next;
3342                         if (prev->domain) {
3343                                 size_t i;
3344                                 for (i = 0; i < prev->num_domain; i++) {
3345                                         if (os_strcmp(prev->domain[i], cmd + 8)
3346                                             != 0)
3347                                                 continue;
3348                                         wpas_ctrl_remove_cred(wpa_s, prev);
3349                                         break;
3350                                 }
3351                         }
3352                 }
3353                 return 0;
3354         }
3355
3356         if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
3357                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
3358                            cmd + 16);
3359                 cred = wpa_s->conf->cred;
3360                 while (cred) {
3361                         prev = cred;
3362                         cred = cred->next;
3363                         if (prev->provisioning_sp &&
3364                             os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
3365                                 wpas_ctrl_remove_cred(wpa_s, prev);
3366                 }
3367                 return 0;
3368         }
3369
3370         id = atoi(cmd);
3371         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
3372
3373         cred = wpa_config_get_cred(wpa_s->conf, id);
3374         return wpas_ctrl_remove_cred(wpa_s, cred);
3375 }
3376
3377
3378 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
3379                                               char *cmd)
3380 {
3381         int id;
3382         struct wpa_cred *cred;
3383         char *name, *value;
3384
3385         /* cmd: "<cred id> <variable name> <value>" */
3386         name = os_strchr(cmd, ' ');
3387         if (name == NULL)
3388                 return -1;
3389         *name++ = '\0';
3390
3391         value = os_strchr(name, ' ');
3392         if (value == NULL)
3393                 return -1;
3394         *value++ = '\0';
3395
3396         id = atoi(cmd);
3397         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
3398                    id, name);
3399         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3400                               (u8 *) value, os_strlen(value));
3401
3402         cred = wpa_config_get_cred(wpa_s->conf, id);
3403         if (cred == NULL) {
3404                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3405                            id);
3406                 return -1;
3407         }
3408
3409         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
3410                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
3411                            "variable '%s'", name);
3412                 return -1;
3413         }
3414
3415         wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
3416
3417         return 0;
3418 }
3419
3420
3421 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
3422                                               char *cmd, char *buf,
3423                                               size_t buflen)
3424 {
3425         int id;
3426         size_t res;
3427         struct wpa_cred *cred;
3428         char *name, *value;
3429
3430         /* cmd: "<cred id> <variable name>" */
3431         name = os_strchr(cmd, ' ');
3432         if (name == NULL)
3433                 return -1;
3434         *name++ = '\0';
3435
3436         id = atoi(cmd);
3437         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
3438                    id, name);
3439
3440         cred = wpa_config_get_cred(wpa_s->conf, id);
3441         if (cred == NULL) {
3442                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3443                            id);
3444                 return -1;
3445         }
3446
3447         value = wpa_config_get_cred_no_key(cred, name);
3448         if (value == NULL) {
3449                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
3450                            name);
3451                 return -1;
3452         }
3453
3454         res = os_strlcpy(buf, value, buflen);
3455         if (res >= buflen) {
3456                 os_free(value);
3457                 return -1;
3458         }
3459
3460         os_free(value);
3461
3462         return res;
3463 }
3464
3465
3466 #ifndef CONFIG_NO_CONFIG_WRITE
3467 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3468 {
3469         int ret;
3470
3471         if (!wpa_s->conf->update_config) {
3472                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3473                            "to update configuration (update_config=0)");
3474                 return -1;
3475         }
3476
3477         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3478         if (ret) {
3479                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3480                            "update configuration");
3481         } else {
3482                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3483                            " updated");
3484         }
3485
3486         return ret;
3487 }
3488 #endif /* CONFIG_NO_CONFIG_WRITE */
3489
3490
3491 struct cipher_info {
3492         unsigned int capa;
3493         const char *name;
3494         int group_only;
3495 };
3496
3497 static const struct cipher_info ciphers[] = {
3498         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3499         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3500         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3501         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3502         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3503         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3504         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3505         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3506 };
3507
3508 static const struct cipher_info ciphers_group_mgmt[] = {
3509         { WPA_DRIVER_CAPA_ENC_BIP, "AES-128-CMAC", 1 },
3510         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_128, "BIP-GMAC-128", 1 },
3511         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_256, "BIP-GMAC-256", 1 },
3512         { WPA_DRIVER_CAPA_ENC_BIP_CMAC_256, "BIP-CMAC-256", 1 },
3513 };
3514
3515
3516 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3517                                               struct wpa_driver_capa *capa,
3518                                               char *buf, size_t buflen)
3519 {
3520         int ret;
3521         char *pos, *end;
3522         size_t len;
3523         unsigned int i;
3524
3525         pos = buf;
3526         end = pos + buflen;
3527
3528         if (res < 0) {
3529                 if (strict)
3530                         return 0;
3531                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3532                 if (len >= buflen)
3533                         return -1;
3534                 return len;
3535         }
3536
3537         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3538                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3539                         ret = os_snprintf(pos, end - pos, "%s%s",
3540                                           pos == buf ? "" : " ",
3541                                           ciphers[i].name);
3542                         if (os_snprintf_error(end - pos, ret))
3543                                 return pos - buf;
3544                         pos += ret;
3545                 }
3546         }
3547
3548         return pos - buf;
3549 }
3550
3551
3552 static int ctrl_iface_get_capability_group(int res, char *strict,
3553                                            struct wpa_driver_capa *capa,
3554                                            char *buf, size_t buflen)
3555 {
3556         int ret;
3557         char *pos, *end;
3558         size_t len;
3559         unsigned int i;
3560
3561         pos = buf;
3562         end = pos + buflen;
3563
3564         if (res < 0) {
3565                 if (strict)
3566                         return 0;
3567                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3568                 if (len >= buflen)
3569                         return -1;
3570                 return len;
3571         }
3572
3573         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3574                 if (capa->enc & ciphers[i].capa) {
3575                         ret = os_snprintf(pos, end - pos, "%s%s",
3576                                           pos == buf ? "" : " ",
3577                                           ciphers[i].name);
3578                         if (os_snprintf_error(end - pos, ret))
3579                                 return pos - buf;
3580                         pos += ret;
3581                 }
3582         }
3583
3584         return pos - buf;
3585 }
3586
3587
3588 static int ctrl_iface_get_capability_group_mgmt(int res, char *strict,
3589                                                 struct wpa_driver_capa *capa,
3590                                                 char *buf, size_t buflen)
3591 {
3592         int ret;
3593         char *pos, *end;
3594         unsigned int i;
3595
3596         pos = buf;
3597         end = pos + buflen;
3598
3599         if (res < 0)
3600                 return 0;
3601
3602         for (i = 0; i < ARRAY_SIZE(ciphers_group_mgmt); i++) {
3603                 if (capa->enc & ciphers_group_mgmt[i].capa) {
3604                         ret = os_snprintf(pos, end - pos, "%s%s",
3605                                           pos == buf ? "" : " ",
3606                                           ciphers_group_mgmt[i].name);
3607                         if (os_snprintf_error(end - pos, ret))
3608                                 return pos - buf;
3609                         pos += ret;
3610                 }
3611         }
3612
3613         return pos - buf;
3614 }
3615
3616
3617 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3618                                               struct wpa_driver_capa *capa,
3619                                               char *buf, size_t buflen)
3620 {
3621         int ret;
3622         char *pos, *end;
3623         size_t len;
3624
3625         pos = buf;
3626         end = pos + buflen;
3627
3628         if (res < 0) {
3629                 if (strict)
3630                         return 0;
3631                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3632                                  "NONE", buflen);
3633                 if (len >= buflen)
3634                         return -1;
3635                 return len;
3636         }
3637
3638         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3639         if (os_snprintf_error(end - pos, ret))
3640                 return pos - buf;
3641         pos += ret;
3642
3643         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3644                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3645                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3646                 if (os_snprintf_error(end - pos, ret))
3647                         return pos - buf;
3648                 pos += ret;
3649         }
3650
3651         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3652                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3653                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3654                 if (os_snprintf_error(end - pos, ret))
3655                         return pos - buf;
3656                 pos += ret;
3657         }
3658
3659         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3660                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3661                 if (os_snprintf_error(end - pos, ret))
3662                         return pos - buf;
3663                 pos += ret;
3664         }
3665
3666 #ifdef CONFIG_SUITEB
3667         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B) {
3668                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B");
3669                 if (os_snprintf_error(end - pos, ret))
3670                         return pos - buf;
3671                 pos += ret;
3672         }
3673 #endif /* CONFIG_SUITEB */
3674 #ifdef CONFIG_SUITEB192
3675         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192) {
3676                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B-192");
3677                 if (os_snprintf_error(end - pos, ret))
3678                         return pos - buf;
3679                 pos += ret;
3680         }
3681 #endif /* CONFIG_SUITEB192 */
3682
3683         return pos - buf;
3684 }
3685
3686
3687 static int ctrl_iface_get_capability_proto(int res, char *strict,
3688                                            struct wpa_driver_capa *capa,
3689                                            char *buf, size_t buflen)
3690 {
3691         int ret;
3692         char *pos, *end;
3693         size_t len;
3694
3695         pos = buf;
3696         end = pos + buflen;
3697
3698         if (res < 0) {
3699                 if (strict)
3700                         return 0;
3701                 len = os_strlcpy(buf, "RSN WPA", buflen);
3702                 if (len >= buflen)
3703                         return -1;
3704                 return len;
3705         }
3706
3707         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3708                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3709                 ret = os_snprintf(pos, end - pos, "%sRSN",
3710                                   pos == buf ? "" : " ");
3711                 if (os_snprintf_error(end - pos, ret))
3712                         return pos - buf;
3713                 pos += ret;
3714         }
3715
3716         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3717                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3718                 ret = os_snprintf(pos, end - pos, "%sWPA",
3719                                   pos == buf ? "" : " ");
3720                 if (os_snprintf_error(end - pos, ret))
3721                         return pos - buf;
3722                 pos += ret;
3723         }
3724
3725         return pos - buf;
3726 }
3727
3728
3729 static int ctrl_iface_get_capability_auth_alg(struct wpa_supplicant *wpa_s,
3730                                               int res, char *strict,
3731                                               struct wpa_driver_capa *capa,
3732                                               char *buf, size_t buflen)
3733 {
3734         int ret;
3735         char *pos, *end;
3736         size_t len;
3737
3738         pos = buf;
3739         end = pos + buflen;
3740
3741         if (res < 0) {
3742                 if (strict)
3743                         return 0;
3744                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3745                 if (len >= buflen)
3746                         return -1;
3747                 return len;
3748         }
3749
3750         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3751                 ret = os_snprintf(pos, end - pos, "%sOPEN",
3752                                   pos == buf ? "" : " ");
3753                 if (os_snprintf_error(end - pos, ret))
3754                         return pos - buf;
3755                 pos += ret;
3756         }
3757
3758         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3759                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3760                                   pos == buf ? "" : " ");
3761                 if (os_snprintf_error(end - pos, ret))
3762                         return pos - buf;
3763                 pos += ret;
3764         }
3765
3766         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3767                 ret = os_snprintf(pos, end - pos, "%sLEAP",
3768                                   pos == buf ? "" : " ");
3769                 if (os_snprintf_error(end - pos, ret))
3770                         return pos - buf;
3771                 pos += ret;
3772         }
3773
3774 #ifdef CONFIG_SAE
3775         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE) {
3776                 ret = os_snprintf(pos, end - pos, "%sSAE",
3777                                   pos == buf ? "" : " ");
3778                 if (os_snprintf_error(end - pos, ret))
3779                         return pos - buf;
3780                 pos += ret;
3781         }
3782 #endif /* CONFIG_SAE */
3783
3784         return pos - buf;
3785 }
3786
3787
3788 static int ctrl_iface_get_capability_modes(int res, char *strict,
3789                                            struct wpa_driver_capa *capa,
3790                                            char *buf, size_t buflen)
3791 {
3792         int ret;
3793         char *pos, *end;
3794         size_t len;
3795
3796         pos = buf;
3797         end = pos + buflen;
3798
3799         if (res < 0) {
3800                 if (strict)
3801                         return 0;
3802                 len = os_strlcpy(buf, "IBSS AP", buflen);
3803                 if (len >= buflen)
3804                         return -1;
3805                 return len;
3806         }
3807
3808         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3809                 ret = os_snprintf(pos, end - pos, "%sIBSS",
3810                                   pos == buf ? "" : " ");
3811                 if (os_snprintf_error(end - pos, ret))
3812                         return pos - buf;
3813                 pos += ret;
3814         }
3815
3816         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3817                 ret = os_snprintf(pos, end - pos, "%sAP",
3818                                   pos == buf ? "" : " ");
3819                 if (os_snprintf_error(end - pos, ret))
3820                         return pos - buf;
3821                 pos += ret;
3822         }
3823
3824 #ifdef CONFIG_MESH
3825         if (capa->flags & WPA_DRIVER_FLAGS_MESH) {
3826                 ret = os_snprintf(pos, end - pos, "%sMESH",
3827                                   pos == buf ? "" : " ");
3828                 if (os_snprintf_error(end - pos, ret))
3829                         return pos - buf;
3830                 pos += ret;
3831         }
3832 #endif /* CONFIG_MESH */
3833
3834         return pos - buf;
3835 }
3836
3837
3838 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3839                                               char *buf, size_t buflen)
3840 {
3841         struct hostapd_channel_data *chnl;
3842         int ret, i, j;
3843         char *pos, *end, *hmode;
3844
3845         pos = buf;
3846         end = pos + buflen;
3847
3848         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3849                 switch (wpa_s->hw.modes[j].mode) {
3850                 case HOSTAPD_MODE_IEEE80211B:
3851                         hmode = "B";
3852                         break;
3853                 case HOSTAPD_MODE_IEEE80211G:
3854                         hmode = "G";
3855                         break;
3856                 case HOSTAPD_MODE_IEEE80211A:
3857                         hmode = "A";
3858                         break;
3859                 case HOSTAPD_MODE_IEEE80211AD:
3860                         hmode = "AD";
3861                         break;
3862                 default:
3863                         continue;
3864                 }
3865                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3866                 if (os_snprintf_error(end - pos, ret))
3867                         return pos - buf;
3868                 pos += ret;
3869                 chnl = wpa_s->hw.modes[j].channels;
3870                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3871                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3872                                 continue;
3873                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3874                         if (os_snprintf_error(end - pos, ret))
3875                                 return pos - buf;
3876                         pos += ret;
3877                 }
3878                 ret = os_snprintf(pos, end - pos, "\n");
3879                 if (os_snprintf_error(end - pos, ret))
3880                         return pos - buf;
3881                 pos += ret;
3882         }
3883
3884         return pos - buf;
3885 }
3886
3887
3888 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3889                                           char *buf, size_t buflen)
3890 {
3891         struct hostapd_channel_data *chnl;
3892         int ret, i, j;
3893         char *pos, *end, *hmode;
3894
3895         pos = buf;
3896         end = pos + buflen;
3897
3898         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3899                 switch (wpa_s->hw.modes[j].mode) {
3900                 case HOSTAPD_MODE_IEEE80211B:
3901                         hmode = "B";
3902                         break;
3903                 case HOSTAPD_MODE_IEEE80211G:
3904                         hmode = "G";
3905                         break;
3906                 case HOSTAPD_MODE_IEEE80211A:
3907                         hmode = "A";
3908                         break;
3909                 case HOSTAPD_MODE_IEEE80211AD:
3910                         hmode = "AD";
3911                         break;
3912                 default:
3913                         continue;
3914                 }
3915                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3916                                   hmode);
3917                 if (os_snprintf_error(end - pos, ret))
3918                         return pos - buf;
3919                 pos += ret;
3920                 chnl = wpa_s->hw.modes[j].channels;
3921                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3922                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3923                                 continue;
3924                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3925                                           chnl[i].chan, chnl[i].freq,
3926                                           chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
3927                                           " (NO_IR)" : "",
3928                                           chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3929                                           " (DFS)" : "");
3930
3931                         if (os_snprintf_error(end - pos, ret))
3932                                 return pos - buf;
3933                         pos += ret;
3934                 }
3935                 ret = os_snprintf(pos, end - pos, "\n");
3936                 if (os_snprintf_error(end - pos, ret))
3937                         return pos - buf;
3938                 pos += ret;
3939         }
3940
3941         return pos - buf;
3942 }
3943
3944
3945 static int wpa_supplicant_ctrl_iface_get_capability(
3946         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3947         size_t buflen)
3948 {
3949         struct wpa_driver_capa capa;
3950         int res;
3951         char *strict;
3952         char field[30];
3953         size_t len;
3954
3955         /* Determine whether or not strict checking was requested */
3956         len = os_strlcpy(field, _field, sizeof(field));
3957         if (len >= sizeof(field))
3958                 return -1;
3959         strict = os_strchr(field, ' ');
3960         if (strict != NULL) {
3961                 *strict++ = '\0';
3962                 if (os_strcmp(strict, "strict") != 0)
3963                         return -1;
3964         }
3965
3966         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3967                 field, strict ? strict : "");
3968
3969         if (os_strcmp(field, "eap") == 0) {
3970                 return eap_get_names(buf, buflen);
3971         }
3972
3973         res = wpa_drv_get_capa(wpa_s, &capa);
3974
3975         if (os_strcmp(field, "pairwise") == 0)
3976                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3977                                                           buf, buflen);
3978
3979         if (os_strcmp(field, "group") == 0)
3980                 return ctrl_iface_get_capability_group(res, strict, &capa,
3981                                                        buf, buflen);
3982
3983         if (os_strcmp(field, "group_mgmt") == 0)
3984                 return ctrl_iface_get_capability_group_mgmt(res, strict, &capa,
3985                                                             buf, buflen);
3986
3987         if (os_strcmp(field, "key_mgmt") == 0)
3988                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3989                                                           buf, buflen);
3990
3991         if (os_strcmp(field, "proto") == 0)
3992                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3993                                                        buf, buflen);
3994
3995         if (os_strcmp(field, "auth_alg") == 0)
3996                 return ctrl_iface_get_capability_auth_alg(wpa_s, res, strict,
3997                                                           &capa, buf, buflen);
3998
3999         if (os_strcmp(field, "modes") == 0)
4000                 return ctrl_iface_get_capability_modes(res, strict, &capa,
4001                                                        buf, buflen);
4002
4003         if (os_strcmp(field, "channels") == 0)
4004                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
4005
4006         if (os_strcmp(field, "freq") == 0)
4007                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
4008
4009 #ifdef CONFIG_TDLS
4010         if (os_strcmp(field, "tdls") == 0)
4011                 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
4012 #endif /* CONFIG_TDLS */
4013
4014 #ifdef CONFIG_ERP
4015         if (os_strcmp(field, "erp") == 0) {
4016                 res = os_snprintf(buf, buflen, "ERP");
4017                 if (os_snprintf_error(buflen, res))
4018                         return -1;
4019                 return res;
4020         }
4021 #endif /* CONFIG_EPR */
4022
4023 #ifdef CONFIG_FIPS
4024         if (os_strcmp(field, "fips") == 0) {
4025                 res = os_snprintf(buf, buflen, "FIPS");
4026                 if (os_snprintf_error(buflen, res))
4027                         return -1;
4028                 return res;
4029         }
4030 #endif /* CONFIG_FIPS */
4031
4032 #ifdef CONFIG_ACS
4033         if (os_strcmp(field, "acs") == 0) {
4034                 res = os_snprintf(buf, buflen, "ACS");
4035                 if (os_snprintf_error(buflen, res))
4036                         return -1;
4037                 return res;
4038         }
4039 #endif /* CONFIG_ACS */
4040
4041         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
4042                    field);
4043
4044         return -1;
4045 }
4046
4047
4048 #ifdef CONFIG_INTERWORKING
4049 static char * anqp_add_hex(char *pos, char *end, const char *title,
4050                            struct wpabuf *data)
4051 {
4052         char *start = pos;
4053         size_t i;
4054         int ret;
4055         const u8 *d;
4056
4057         if (data == NULL)
4058                 return start;
4059
4060         ret = os_snprintf(pos, end - pos, "%s=", title);
4061         if (os_snprintf_error(end - pos, ret))
4062                 return start;
4063         pos += ret;
4064
4065         d = wpabuf_head_u8(data);
4066         for (i = 0; i < wpabuf_len(data); i++) {
4067                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
4068                 if (os_snprintf_error(end - pos, ret))
4069                         return start;
4070                 pos += ret;
4071         }
4072
4073         ret = os_snprintf(pos, end - pos, "\n");
4074         if (os_snprintf_error(end - pos, ret))
4075                 return start;
4076         pos += ret;
4077
4078         return pos;
4079 }
4080 #endif /* CONFIG_INTERWORKING */
4081
4082
4083 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
4084                           unsigned long mask, char *buf, size_t buflen)
4085 {
4086         size_t i;
4087         int ret;
4088         char *pos, *end;
4089         const u8 *ie, *ie2, *osen_ie;
4090
4091         pos = buf;
4092         end = buf + buflen;
4093
4094         if (mask & WPA_BSS_MASK_ID) {
4095                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
4096                 if (os_snprintf_error(end - pos, ret))
4097                         return 0;
4098                 pos += ret;
4099         }
4100
4101         if (mask & WPA_BSS_MASK_BSSID) {
4102                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
4103                                   MAC2STR(bss->bssid));
4104                 if (os_snprintf_error(end - pos, ret))
4105                         return 0;
4106                 pos += ret;
4107         }
4108
4109         if (mask & WPA_BSS_MASK_FREQ) {
4110                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
4111                 if (os_snprintf_error(end - pos, ret))
4112                         return 0;
4113                 pos += ret;
4114         }
4115
4116         if (mask & WPA_BSS_MASK_BEACON_INT) {
4117                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
4118                                   bss->beacon_int);
4119                 if (os_snprintf_error(end - pos, ret))
4120                         return 0;
4121                 pos += ret;
4122         }
4123
4124         if (mask & WPA_BSS_MASK_CAPABILITIES) {
4125                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
4126                                   bss->caps);
4127                 if (os_snprintf_error(end - pos, ret))
4128                         return 0;
4129                 pos += ret;
4130         }
4131
4132         if (mask & WPA_BSS_MASK_QUAL) {
4133                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
4134                 if (os_snprintf_error(end - pos, ret))
4135                         return 0;
4136                 pos += ret;
4137         }
4138
4139         if (mask & WPA_BSS_MASK_NOISE) {
4140                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
4141                 if (os_snprintf_error(end - pos, ret))
4142                         return 0;
4143                 pos += ret;
4144         }
4145
4146         if (mask & WPA_BSS_MASK_LEVEL) {
4147                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
4148                 if (os_snprintf_error(end - pos, ret))
4149                         return 0;
4150                 pos += ret;
4151         }
4152
4153         if (mask & WPA_BSS_MASK_TSF) {
4154                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
4155                                   (unsigned long long) bss->tsf);
4156                 if (os_snprintf_error(end - pos, ret))
4157                         return 0;
4158                 pos += ret;
4159         }
4160
4161         if (mask & WPA_BSS_MASK_AGE) {
4162                 struct os_reltime now;
4163
4164                 os_get_reltime(&now);
4165                 ret = os_snprintf(pos, end - pos, "age=%d\n",
4166                                   (int) (now.sec - bss->last_update.sec));
4167                 if (os_snprintf_error(end - pos, ret))
4168                         return 0;
4169                 pos += ret;
4170         }
4171
4172         if (mask & WPA_BSS_MASK_IE) {
4173                 ret = os_snprintf(pos, end - pos, "ie=");
4174                 if (os_snprintf_error(end - pos, ret))
4175                         return 0;
4176                 pos += ret;
4177
4178                 ie = (const u8 *) (bss + 1);
4179                 for (i = 0; i < bss->ie_len; i++) {
4180                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4181                         if (os_snprintf_error(end - pos, ret))
4182                                 return 0;
4183                         pos += ret;
4184                 }
4185
4186                 ret = os_snprintf(pos, end - pos, "\n");
4187                 if (os_snprintf_error(end - pos, ret))
4188                         return 0;
4189                 pos += ret;
4190         }
4191
4192         if (mask & WPA_BSS_MASK_FLAGS) {
4193                 ret = os_snprintf(pos, end - pos, "flags=");
4194                 if (os_snprintf_error(end - pos, ret))
4195                         return 0;
4196                 pos += ret;
4197
4198                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
4199                 if (ie)
4200                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
4201                                                     2 + ie[1]);
4202                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4203                 if (ie2)
4204                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
4205                                                     2 + ie2[1]);
4206                 osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
4207                 if (osen_ie)
4208                         pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
4209                                                     osen_ie, 2 + osen_ie[1]);
4210                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
4211                 if (!ie && !ie2 && !osen_ie &&
4212                     (bss->caps & IEEE80211_CAP_PRIVACY)) {
4213                         ret = os_snprintf(pos, end - pos, "[WEP]");
4214                         if (os_snprintf_error(end - pos, ret))
4215                                 return 0;
4216                         pos += ret;
4217                 }
4218                 if (bss_is_dmg(bss)) {
4219                         const char *s;
4220                         ret = os_snprintf(pos, end - pos, "[DMG]");
4221                         if (os_snprintf_error(end - pos, ret))
4222                                 return 0;
4223                         pos += ret;
4224                         switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
4225                         case IEEE80211_CAP_DMG_IBSS:
4226                                 s = "[IBSS]";
4227                                 break;
4228                         case IEEE80211_CAP_DMG_AP:
4229                                 s = "[ESS]";
4230                                 break;
4231                         case IEEE80211_CAP_DMG_PBSS:
4232                                 s = "[PBSS]";
4233                                 break;
4234                         default:
4235                                 s = "";
4236                                 break;
4237                         }
4238                         ret = os_snprintf(pos, end - pos, "%s", s);
4239                         if (os_snprintf_error(end - pos, ret))
4240                                 return 0;
4241                         pos += ret;
4242                 } else {
4243                         if (bss->caps & IEEE80211_CAP_IBSS) {
4244                                 ret = os_snprintf(pos, end - pos, "[IBSS]");
4245                                 if (os_snprintf_error(end - pos, ret))
4246                                         return 0;
4247                                 pos += ret;
4248                         }
4249                         if (bss->caps & IEEE80211_CAP_ESS) {
4250                                 ret = os_snprintf(pos, end - pos, "[ESS]");
4251                                 if (os_snprintf_error(end - pos, ret))
4252                                         return 0;
4253                                 pos += ret;
4254                         }
4255                 }
4256                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
4257                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
4258                         ret = os_snprintf(pos, end - pos, "[P2P]");
4259                         if (os_snprintf_error(end - pos, ret))
4260                                 return 0;
4261                         pos += ret;
4262                 }
4263 #ifdef CONFIG_HS20
4264                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
4265                         ret = os_snprintf(pos, end - pos, "[HS20]");
4266                         if (os_snprintf_error(end - pos, ret))
4267                                 return 0;
4268                         pos += ret;
4269                 }
4270 #endif /* CONFIG_HS20 */
4271
4272                 ret = os_snprintf(pos, end - pos, "\n");
4273                 if (os_snprintf_error(end - pos, ret))
4274                         return 0;
4275                 pos += ret;
4276         }
4277
4278         if (mask & WPA_BSS_MASK_SSID) {
4279                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
4280                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
4281                 if (os_snprintf_error(end - pos, ret))
4282                         return 0;
4283                 pos += ret;
4284         }
4285
4286 #ifdef CONFIG_WPS
4287         if (mask & WPA_BSS_MASK_WPS_SCAN) {
4288                 ie = (const u8 *) (bss + 1);
4289                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
4290                 if (ret >= end - pos)
4291                         return 0;
4292                 if (ret > 0)
4293                         pos += ret;
4294         }
4295 #endif /* CONFIG_WPS */
4296
4297 #ifdef CONFIG_P2P
4298         if (mask & WPA_BSS_MASK_P2P_SCAN) {
4299                 ie = (const u8 *) (bss + 1);
4300                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
4301                 if (ret < 0 || ret >= end - pos)
4302                         return 0;
4303                 pos += ret;
4304         }
4305 #endif /* CONFIG_P2P */
4306
4307 #ifdef CONFIG_WIFI_DISPLAY
4308         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
4309                 struct wpabuf *wfd;
4310                 ie = (const u8 *) (bss + 1);
4311                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
4312                                                   WFD_IE_VENDOR_TYPE);
4313                 if (wfd) {
4314                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
4315                         if (os_snprintf_error(end - pos, ret)) {
4316                                 wpabuf_free(wfd);
4317                                 return 0;
4318                         }
4319                         pos += ret;
4320
4321                         pos += wpa_snprintf_hex(pos, end - pos,
4322                                                 wpabuf_head(wfd),
4323                                                 wpabuf_len(wfd));
4324                         wpabuf_free(wfd);
4325
4326                         ret = os_snprintf(pos, end - pos, "\n");
4327                         if (os_snprintf_error(end - pos, ret))
4328                                 return 0;
4329                         pos += ret;
4330                 }
4331         }
4332 #endif /* CONFIG_WIFI_DISPLAY */
4333
4334 #ifdef CONFIG_INTERWORKING
4335         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
4336                 struct wpa_bss_anqp *anqp = bss->anqp;
4337                 struct wpa_bss_anqp_elem *elem;
4338
4339                 pos = anqp_add_hex(pos, end, "anqp_capability_list",
4340                                    anqp->capability_list);
4341                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
4342                                    anqp->venue_name);
4343                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4344                                    anqp->network_auth_type);
4345                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4346                                    anqp->roaming_consortium);
4347                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4348                                    anqp->ip_addr_type_availability);
4349                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4350                                    anqp->nai_realm);
4351                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4352                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
4353                                    anqp->domain_name);
4354 #ifdef CONFIG_HS20
4355                 pos = anqp_add_hex(pos, end, "hs20_capability_list",
4356                                    anqp->hs20_capability_list);
4357                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4358                                    anqp->hs20_operator_friendly_name);
4359                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4360                                    anqp->hs20_wan_metrics);
4361                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4362                                    anqp->hs20_connection_capability);
4363                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
4364                                    anqp->hs20_operating_class);
4365                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4366                                    anqp->hs20_osu_providers_list);
4367 #endif /* CONFIG_HS20 */
4368
4369                 dl_list_for_each(elem, &anqp->anqp_elems,
4370                                  struct wpa_bss_anqp_elem, list) {
4371                         char title[20];
4372
4373                         os_snprintf(title, sizeof(title), "anqp[%u]",
4374                                     elem->infoid);
4375                         pos = anqp_add_hex(pos, end, title, elem->payload);
4376                 }
4377         }
4378 #endif /* CONFIG_INTERWORKING */
4379
4380 #ifdef CONFIG_MESH
4381         if (mask & WPA_BSS_MASK_MESH_SCAN) {
4382                 ie = (const u8 *) (bss + 1);
4383                 ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4384                 if (ret < 0 || ret >= end - pos)
4385                         return 0;
4386                 pos += ret;
4387         }
4388 #endif /* CONFIG_MESH */
4389
4390         if (mask & WPA_BSS_MASK_SNR) {
4391                 ret = os_snprintf(pos, end - pos, "snr=%d\n", bss->snr);
4392                 if (os_snprintf_error(end - pos, ret))
4393                         return 0;
4394                 pos += ret;
4395         }
4396
4397         if (mask & WPA_BSS_MASK_EST_THROUGHPUT) {
4398                 ret = os_snprintf(pos, end - pos, "est_throughput=%d\n",
4399                                   bss->est_throughput);
4400                 if (os_snprintf_error(end - pos, ret))
4401                         return 0;
4402                 pos += ret;
4403         }
4404
4405 #ifdef CONFIG_FST
4406         if (mask & WPA_BSS_MASK_FST) {
4407                 ret = fst_ctrl_iface_mb_info(bss->bssid, pos, end - pos);
4408                 if (ret < 0 || ret >= end - pos)
4409                         return 0;
4410                 pos += ret;
4411         }
4412 #endif /* CONFIG_FST */
4413
4414         if (mask & WPA_BSS_MASK_DELIM) {
4415                 ret = os_snprintf(pos, end - pos, "====\n");
4416                 if (os_snprintf_error(end - pos, ret))
4417                         return 0;
4418                 pos += ret;
4419         }
4420
4421         return pos - buf;
4422 }
4423
4424
4425 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
4426                                          const char *cmd, char *buf,
4427                                          size_t buflen)
4428 {
4429         u8 bssid[ETH_ALEN];
4430         size_t i;
4431         struct wpa_bss *bss;
4432         struct wpa_bss *bsslast = NULL;
4433         struct dl_list *next;
4434         int ret = 0;
4435         int len;
4436         char *ctmp, *end = buf + buflen;
4437         unsigned long mask = WPA_BSS_MASK_ALL;
4438
4439         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
4440                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
4441                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
4442                                             list_id);
4443                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
4444                                                list_id);
4445                 } else { /* N1-N2 */
4446                         unsigned int id1, id2;
4447
4448                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
4449                                 wpa_printf(MSG_INFO, "Wrong BSS range "
4450                                            "format");
4451                                 return 0;
4452                         }
4453
4454                         if (*(cmd + 6) == '-')
4455                                 id1 = 0;
4456                         else
4457                                 id1 = atoi(cmd + 6);
4458                         ctmp++;
4459                         if (*ctmp >= '0' && *ctmp <= '9')
4460                                 id2 = atoi(ctmp);
4461                         else
4462                                 id2 = (unsigned int) -1;
4463                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4464                         if (id2 == (unsigned int) -1)
4465                                 bsslast = dl_list_last(&wpa_s->bss_id,
4466                                                        struct wpa_bss,
4467                                                        list_id);
4468                         else {
4469                                 bsslast = wpa_bss_get_id(wpa_s, id2);
4470                                 if (bsslast == NULL && bss && id2 > id1) {
4471                                         struct wpa_bss *tmp = bss;
4472                                         for (;;) {
4473                                                 next = tmp->list_id.next;
4474                                                 if (next == &wpa_s->bss_id)
4475                                                         break;
4476                                                 tmp = dl_list_entry(
4477                                                         next, struct wpa_bss,
4478                                                         list_id);
4479                                                 if (tmp->id > id2)
4480                                                         break;
4481                                                 bsslast = tmp;
4482                                         }
4483                                 }
4484                         }
4485                 }
4486         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
4487                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4488         else if (os_strncmp(cmd, "LAST", 4) == 0)
4489                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4490         else if (os_strncmp(cmd, "ID-", 3) == 0) {
4491                 i = atoi(cmd + 3);
4492                 bss = wpa_bss_get_id(wpa_s, i);
4493         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4494                 i = atoi(cmd + 5);
4495                 bss = wpa_bss_get_id(wpa_s, i);
4496                 if (bss) {
4497                         next = bss->list_id.next;
4498                         if (next == &wpa_s->bss_id)
4499                                 bss = NULL;
4500                         else
4501                                 bss = dl_list_entry(next, struct wpa_bss,
4502                                                     list_id);
4503                 }
4504 #ifdef CONFIG_P2P
4505         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4506                 if (hwaddr_aton(cmd + 13, bssid) == 0)
4507                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4508                 else
4509                         bss = NULL;
4510 #endif /* CONFIG_P2P */
4511         } else if (hwaddr_aton(cmd, bssid) == 0)
4512                 bss = wpa_bss_get_bssid(wpa_s, bssid);
4513         else {
4514                 struct wpa_bss *tmp;
4515                 i = atoi(cmd);
4516                 bss = NULL;
4517                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4518                 {
4519                         if (i-- == 0) {
4520                                 bss = tmp;
4521                                 break;
4522                         }
4523                 }
4524         }
4525
4526         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4527                 mask = strtoul(ctmp + 5, NULL, 0x10);
4528                 if (mask == 0)
4529                         mask = WPA_BSS_MASK_ALL;
4530         }
4531
4532         if (bss == NULL)
4533                 return 0;
4534
4535         if (bsslast == NULL)
4536                 bsslast = bss;
4537         do {
4538                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4539                 ret += len;
4540                 buf += len;
4541                 buflen -= len;
4542                 if (bss == bsslast) {
4543                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
4544                             (bss == dl_list_last(&wpa_s->bss_id,
4545                                                  struct wpa_bss, list_id))) {
4546                                 int res;
4547
4548                                 res = os_snprintf(buf - 5, end - buf + 5,
4549                                                   "####\n");
4550                                 if (os_snprintf_error(end - buf + 5, res)) {
4551                                         wpa_printf(MSG_DEBUG,
4552                                                    "Could not add end delim");
4553                                 }
4554                         }
4555                         break;
4556                 }
4557                 next = bss->list_id.next;
4558                 if (next == &wpa_s->bss_id)
4559                         break;
4560                 bss = dl_list_entry(next, struct wpa_bss, list_id);
4561         } while (bss && len);
4562
4563         return ret;
4564 }
4565
4566
4567 static int wpa_supplicant_ctrl_iface_ap_scan(
4568         struct wpa_supplicant *wpa_s, char *cmd)
4569 {
4570         int ap_scan = atoi(cmd);
4571         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4572 }
4573
4574
4575 static int wpa_supplicant_ctrl_iface_scan_interval(
4576         struct wpa_supplicant *wpa_s, char *cmd)
4577 {
4578         int scan_int = atoi(cmd);
4579         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4580 }
4581
4582
4583 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4584         struct wpa_supplicant *wpa_s, char *cmd)
4585 {
4586         int expire_age = atoi(cmd);
4587         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4588 }
4589
4590
4591 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4592         struct wpa_supplicant *wpa_s, char *cmd)
4593 {
4594         int expire_count = atoi(cmd);
4595         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4596 }
4597
4598
4599 static void wpa_supplicant_ctrl_iface_bss_flush(
4600         struct wpa_supplicant *wpa_s, char *cmd)
4601 {
4602         int flush_age = atoi(cmd);
4603
4604         if (flush_age == 0)
4605                 wpa_bss_flush(wpa_s);
4606         else
4607                 wpa_bss_flush_by_age(wpa_s, flush_age);
4608 }
4609
4610
4611 #ifdef CONFIG_TESTING_OPTIONS
4612 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4613 {
4614         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4615         /* MLME-DELETEKEYS.request */
4616         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4617         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4618         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4619         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4620 #ifdef CONFIG_IEEE80211W
4621         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4622         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4623 #endif /* CONFIG_IEEE80211W */
4624
4625         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4626                         0);
4627         /* MLME-SETPROTECTION.request(None) */
4628         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4629                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4630                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4631         wpa_sm_drop_sa(wpa_s->wpa);
4632 }
4633 #endif /* CONFIG_TESTING_OPTIONS */
4634
4635
4636 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4637                                           char *addr)
4638 {
4639 #ifdef CONFIG_NO_SCAN_PROCESSING
4640         return -1;
4641 #else /* CONFIG_NO_SCAN_PROCESSING */
4642         u8 bssid[ETH_ALEN];
4643         struct wpa_bss *bss;
4644         struct wpa_ssid *ssid = wpa_s->current_ssid;
4645
4646         if (hwaddr_aton(addr, bssid)) {
4647                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4648                            "address '%s'", addr);
4649                 return -1;
4650         }
4651
4652         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4653
4654         if (!ssid) {
4655                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4656                            "configuration known for the target AP");
4657                 return -1;
4658         }
4659
4660         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4661         if (!bss) {
4662                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4663                            "from BSS table");
4664                 return -1;
4665         }
4666
4667         /*
4668          * TODO: Find best network configuration block from configuration to
4669          * allow roaming to other networks
4670          */
4671
4672         wpa_s->reassociate = 1;
4673         wpa_supplicant_connect(wpa_s, bss, ssid);
4674
4675         return 0;
4676 #endif /* CONFIG_NO_SCAN_PROCESSING */
4677 }
4678
4679
4680 #ifdef CONFIG_P2P
4681 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4682 {
4683         unsigned int timeout = atoi(cmd);
4684         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4685         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4686         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4687         char *pos;
4688         unsigned int search_delay;
4689         const char *_seek[P2P_MAX_QUERY_HASH + 1], **seek = NULL;
4690         u8 seek_count = 0;
4691         int freq = 0;
4692
4693         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4694                 wpa_dbg(wpa_s, MSG_INFO,
4695                         "Reject P2P_FIND since interface is disabled");
4696                 return -1;
4697         }
4698         if (os_strstr(cmd, "type=social"))
4699                 type = P2P_FIND_ONLY_SOCIAL;
4700         else if (os_strstr(cmd, "type=progressive"))
4701                 type = P2P_FIND_PROGRESSIVE;
4702
4703         pos = os_strstr(cmd, "dev_id=");
4704         if (pos) {
4705                 pos += 7;
4706                 if (hwaddr_aton(pos, dev_id))
4707                         return -1;
4708                 _dev_id = dev_id;
4709         }
4710
4711         pos = os_strstr(cmd, "dev_type=");
4712         if (pos) {
4713                 pos += 9;
4714                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4715                         return -1;
4716                 _dev_type = dev_type;
4717         }
4718
4719         pos = os_strstr(cmd, "delay=");
4720         if (pos) {
4721                 pos += 6;
4722                 search_delay = atoi(pos);
4723         } else
4724                 search_delay = wpas_p2p_search_delay(wpa_s);
4725
4726         pos = os_strstr(cmd, "freq=");
4727         if (pos) {
4728                 pos += 5;
4729                 freq = atoi(pos);
4730                 if (freq <= 0)
4731                         return -1;
4732         }
4733
4734         /* Must be searched for last, because it adds nul termination */
4735         pos = os_strstr(cmd, " seek=");
4736         if (pos)
4737                 pos += 6;
4738         while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
4739                 char *term;
4740
4741                 _seek[seek_count++] = pos;
4742                 seek = _seek;
4743                 term = os_strchr(pos, ' ');
4744                 if (!term)
4745                         break;
4746                 *term = '\0';
4747                 pos = os_strstr(term + 1, "seek=");
4748                 if (pos)
4749                         pos += 5;
4750         }
4751         if (seek_count > P2P_MAX_QUERY_HASH) {
4752                 seek[0] = NULL;
4753                 seek_count = 1;
4754         }
4755
4756         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4757                              _dev_id, search_delay, seek_count, seek, freq);
4758 }
4759
4760
4761 static int p2ps_ctrl_parse_cpt_priority(const char *pos, u8 *cpt)
4762 {
4763         const char *last = NULL;
4764         const char *token;
4765         long int token_len;
4766         unsigned int i;
4767
4768         /* Expected predefined CPT names delimited by ':' */
4769         for (i = 0; (token = cstr_token(pos, ": \t", &last)); i++) {
4770                 if (i >= P2PS_FEATURE_CAPAB_CPT_MAX) {
4771                         wpa_printf(MSG_ERROR,
4772                                    "P2PS: CPT name list is too long, expected up to %d names",
4773                                    P2PS_FEATURE_CAPAB_CPT_MAX);
4774                         cpt[0] = 0;
4775                         return -1;
4776                 }
4777
4778                 token_len = last - token;
4779
4780                 if (token_len  == 3 &&
4781                     os_memcmp(token, "UDP", token_len) == 0) {
4782                         cpt[i] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4783                 } else if (token_len == 3 &&
4784                            os_memcmp(token, "MAC", token_len) == 0) {
4785                         cpt[i] = P2PS_FEATURE_CAPAB_MAC_TRANSPORT;
4786                 } else {
4787                         wpa_printf(MSG_ERROR,
4788                                    "P2PS: Unsupported CPT name '%s'", token);
4789                         cpt[0] = 0;
4790                         return -1;
4791                 }
4792
4793                 if (isblank((unsigned char) *last)) {
4794                         i++;
4795                         break;
4796                 }
4797         }
4798         cpt[i] = 0;
4799         return 0;
4800 }
4801
4802
4803 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
4804 {
4805         struct p2ps_provision *p2ps_prov;
4806         char *pos;
4807         size_t info_len = 0;
4808         char *info = NULL;
4809         u8 role = P2PS_SETUP_NONE;
4810         long long unsigned val;
4811         int i;
4812
4813         pos = os_strstr(cmd, "info=");
4814         if (pos) {
4815                 pos += 5;
4816                 info_len = os_strlen(pos);
4817
4818                 if (info_len) {
4819                         info = os_malloc(info_len + 1);
4820                         if (info) {
4821                                 info_len = utf8_unescape(pos, info_len,
4822                                                          info, info_len + 1);
4823                         } else
4824                                 info_len = 0;
4825                 }
4826         }
4827
4828         p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
4829         if (p2ps_prov == NULL) {
4830                 os_free(info);
4831                 return NULL;
4832         }
4833
4834         if (info) {
4835                 os_memcpy(p2ps_prov->info, info, info_len);
4836                 p2ps_prov->info[info_len] = '\0';
4837                 os_free(info);
4838         }
4839
4840         pos = os_strstr(cmd, "status=");
4841         if (pos)
4842                 p2ps_prov->status = atoi(pos + 7);
4843         else
4844                 p2ps_prov->status = -1;
4845
4846         pos = os_strstr(cmd, "adv_id=");
4847         if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
4848                 goto invalid_args;
4849         p2ps_prov->adv_id = val;
4850
4851         pos = os_strstr(cmd, "method=");
4852         if (pos)
4853                 p2ps_prov->method = strtol(pos + 7, NULL, 16);
4854         else
4855                 p2ps_prov->method = 0;
4856
4857         pos = os_strstr(cmd, "session=");
4858         if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
4859                 goto invalid_args;
4860         p2ps_prov->session_id = val;
4861
4862         pos = os_strstr(cmd, "adv_mac=");
4863         if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
4864                 goto invalid_args;
4865
4866         pos = os_strstr(cmd, "session_mac=");
4867         if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
4868                 goto invalid_args;
4869
4870         pos = os_strstr(cmd, "cpt=");
4871         if (pos) {
4872                 if (p2ps_ctrl_parse_cpt_priority(pos + 4,
4873                                                  p2ps_prov->cpt_priority))
4874                         goto invalid_args;
4875         } else {
4876                 p2ps_prov->cpt_priority[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4877         }
4878
4879         for (i = 0; p2ps_prov->cpt_priority[i]; i++)
4880                 p2ps_prov->cpt_mask |= p2ps_prov->cpt_priority[i];
4881
4882         /* force conncap with tstCap (no sanity checks) */
4883         pos = os_strstr(cmd, "tstCap=");
4884         if (pos) {
4885                 role = strtol(pos + 7, NULL, 16);
4886         } else {
4887                 pos = os_strstr(cmd, "role=");
4888                 if (pos) {
4889                         role = strtol(pos + 5, NULL, 16);
4890                         if (role != P2PS_SETUP_CLIENT &&
4891                             role != P2PS_SETUP_GROUP_OWNER)
4892                                 role = P2PS_SETUP_NONE;
4893                 }
4894         }
4895         p2ps_prov->role = role;
4896
4897         return p2ps_prov;
4898
4899 invalid_args:
4900         os_free(p2ps_prov);
4901         return NULL;
4902 }
4903
4904
4905 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
4906 {
4907         u8 addr[ETH_ALEN];
4908         struct p2ps_provision *p2ps_prov;
4909         char *pos;
4910
4911         /* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
4912
4913         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4914
4915         if (hwaddr_aton(cmd, addr))
4916                 return -1;
4917
4918         pos = cmd + 17;
4919         if (*pos != ' ')
4920                 return -1;
4921
4922         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4923         if (!p2ps_prov)
4924                 return -1;
4925
4926         if (p2ps_prov->status < 0) {
4927                 os_free(p2ps_prov);
4928                 return -1;
4929         }
4930
4931         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4932                                   p2ps_prov);
4933 }
4934
4935
4936 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
4937 {
4938         u8 addr[ETH_ALEN];
4939         struct p2ps_provision *p2ps_prov;
4940         char *pos;
4941
4942         /* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
4943          *        session=<ses_id> mac=<ses_mac> [info=<infodata>]
4944          */
4945
4946         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4947         if (hwaddr_aton(cmd, addr))
4948                 return -1;
4949
4950         pos = cmd + 17;
4951         if (*pos != ' ')
4952                 return -1;
4953
4954         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4955         if (!p2ps_prov)
4956                 return -1;
4957
4958         p2ps_prov->pd_seeker = 1;
4959
4960         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4961                                   p2ps_prov);
4962 }
4963
4964
4965 static int parse_freq(int chwidth, int freq2)
4966 {
4967         if (freq2 < 0)
4968                 return -1;
4969         if (freq2)
4970                 return VHT_CHANWIDTH_80P80MHZ;
4971
4972         switch (chwidth) {
4973         case 0:
4974         case 20:
4975         case 40:
4976                 return VHT_CHANWIDTH_USE_HT;
4977         case 80:
4978                 return VHT_CHANWIDTH_80MHZ;
4979         case 160:
4980                 return VHT_CHANWIDTH_160MHZ;
4981         default:
4982                 wpa_printf(MSG_DEBUG, "Unknown max oper bandwidth: %d",
4983                            chwidth);
4984                 return -1;
4985         }
4986 }
4987
4988
4989 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4990                             char *buf, size_t buflen)
4991 {
4992         u8 addr[ETH_ALEN];
4993         char *pos, *pos2;
4994         char *pin = NULL;
4995         enum p2p_wps_method wps_method;
4996         int new_pin;
4997         int ret;
4998         int persistent_group, persistent_id = -1;
4999         int join;
5000         int auth;
5001         int automatic;
5002         int go_intent = -1;
5003         int freq = 0;
5004         int pd;
5005         int ht40, vht, max_oper_chwidth, chwidth = 0, freq2 = 0;
5006         u8 _group_ssid[SSID_MAX_LEN], *group_ssid = NULL;
5007         size_t group_ssid_len = 0;
5008
5009         if (!wpa_s->global->p2p_init_wpa_s)
5010                 return -1;
5011         if (wpa_s->global->p2p_init_wpa_s != wpa_s) {
5012                 wpa_dbg(wpa_s, MSG_DEBUG, "Direct P2P_CONNECT command to %s",
5013                         wpa_s->global->p2p_init_wpa_s->ifname);
5014                 wpa_s = wpa_s->global->p2p_init_wpa_s;
5015         }
5016
5017         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
5018          * [persistent|persistent=<network id>]
5019          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
5020          * [ht40] [vht] [auto] [ssid=<hexdump>] */
5021
5022         if (hwaddr_aton(cmd, addr))
5023                 return -1;
5024
5025         pos = cmd + 17;
5026         if (*pos != ' ')
5027                 return -1;
5028         pos++;
5029
5030         persistent_group = os_strstr(pos, " persistent") != NULL;
5031         pos2 = os_strstr(pos, " persistent=");
5032         if (pos2) {
5033                 struct wpa_ssid *ssid;
5034                 persistent_id = atoi(pos2 + 12);
5035                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
5036                 if (ssid == NULL || ssid->disabled != 2 ||
5037                     ssid->mode != WPAS_MODE_P2P_GO) {
5038                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
5039                                    "SSID id=%d for persistent P2P group (GO)",
5040                                    persistent_id);
5041                         return -1;
5042                 }
5043         }
5044         join = os_strstr(pos, " join") != NULL;
5045         auth = os_strstr(pos, " auth") != NULL;
5046         automatic = os_strstr(pos, " auto") != NULL;
5047         pd = os_strstr(pos, " provdisc") != NULL;
5048         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5049         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5050                 vht;
5051
5052         pos2 = os_strstr(pos, " go_intent=");
5053         if (pos2) {
5054                 pos2 += 11;
5055                 go_intent = atoi(pos2);
5056                 if (go_intent < 0 || go_intent > 15)
5057                         return -1;
5058         }
5059
5060         pos2 = os_strstr(pos, " freq=");
5061         if (pos2) {
5062                 pos2 += 6;
5063                 freq = atoi(pos2);
5064                 if (freq <= 0)
5065                         return -1;
5066         }
5067
5068         pos2 = os_strstr(pos, " freq2=");
5069         if (pos2)
5070                 freq2 = atoi(pos2 + 7);
5071
5072         pos2 = os_strstr(pos, " max_oper_chwidth=");
5073         if (pos2)
5074                 chwidth = atoi(pos2 + 18);
5075
5076         max_oper_chwidth = parse_freq(chwidth, freq2);
5077         if (max_oper_chwidth < 0)
5078                 return -1;
5079
5080         pos2 = os_strstr(pos, " ssid=");
5081         if (pos2) {
5082                 char *end;
5083
5084                 pos2 += 6;
5085                 end = os_strchr(pos2, ' ');
5086                 if (!end)
5087                         group_ssid_len = os_strlen(pos2) / 2;
5088                 else
5089                         group_ssid_len = (end - pos2) / 2;
5090                 if (group_ssid_len == 0 || group_ssid_len > SSID_MAX_LEN ||
5091                     hexstr2bin(pos2, _group_ssid, group_ssid_len) < 0)
5092                         return -1;
5093                 group_ssid = _group_ssid;
5094         }
5095
5096         if (os_strncmp(pos, "pin", 3) == 0) {
5097                 /* Request random PIN (to be displayed) and enable the PIN */
5098                 wps_method = WPS_PIN_DISPLAY;
5099         } else if (os_strncmp(pos, "pbc", 3) == 0) {
5100                 wps_method = WPS_PBC;
5101         } else {
5102                 pin = pos;
5103                 pos = os_strchr(pin, ' ');
5104                 wps_method = WPS_PIN_KEYPAD;
5105                 if (pos) {
5106                         *pos++ = '\0';
5107                         if (os_strncmp(pos, "display", 7) == 0)
5108                                 wps_method = WPS_PIN_DISPLAY;
5109                         else if (os_strncmp(pos, "p2ps", 4) == 0)
5110                                 wps_method = WPS_P2PS;
5111                 }
5112                 if (!wps_pin_str_valid(pin)) {
5113                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
5114                         return 17;
5115                 }
5116         }
5117
5118         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
5119                                    persistent_group, automatic, join,
5120                                    auth, go_intent, freq, freq2, persistent_id,
5121                                    pd, ht40, vht, max_oper_chwidth,
5122                                    group_ssid, group_ssid_len);
5123         if (new_pin == -2) {
5124                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
5125                 return 25;
5126         }
5127         if (new_pin == -3) {
5128                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
5129                 return 25;
5130         }
5131         if (new_pin < 0)
5132                 return -1;
5133         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
5134                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
5135                 if (os_snprintf_error(buflen, ret))
5136                         return -1;
5137                 return ret;
5138         }
5139
5140         os_memcpy(buf, "OK\n", 3);
5141         return 3;
5142 }
5143
5144
5145 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
5146 {
5147         unsigned int timeout = atoi(cmd);
5148         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
5149                 wpa_dbg(wpa_s, MSG_INFO,
5150                         "Reject P2P_LISTEN since interface is disabled");
5151                 return -1;
5152         }
5153         return wpas_p2p_listen(wpa_s, timeout);
5154 }
5155
5156
5157 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
5158 {
5159         u8 addr[ETH_ALEN];
5160         char *pos;
5161         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
5162
5163         /* <addr> <config method> [join|auto] */
5164
5165         if (hwaddr_aton(cmd, addr))
5166                 return -1;
5167
5168         pos = cmd + 17;
5169         if (*pos != ' ')
5170                 return -1;
5171         pos++;
5172
5173         if (os_strstr(pos, " join") != NULL)
5174                 use = WPAS_P2P_PD_FOR_JOIN;
5175         else if (os_strstr(pos, " auto") != NULL)
5176                 use = WPAS_P2P_PD_AUTO;
5177
5178         return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
5179 }
5180
5181
5182 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
5183                               size_t buflen)
5184 {
5185         struct wpa_ssid *ssid = wpa_s->current_ssid;
5186
5187         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
5188             ssid->passphrase == NULL)
5189                 return -1;
5190
5191         os_strlcpy(buf, ssid->passphrase, buflen);
5192         return os_strlen(buf);
5193 }
5194
5195
5196 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
5197                                   char *buf, size_t buflen)
5198 {
5199         u64 ref;
5200         int res;
5201         u8 dst_buf[ETH_ALEN], *dst;
5202         struct wpabuf *tlvs;
5203         char *pos;
5204         size_t len;
5205
5206         if (hwaddr_aton(cmd, dst_buf))
5207                 return -1;
5208         dst = dst_buf;
5209         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
5210             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
5211                 dst = NULL;
5212         pos = cmd + 17;
5213         if (*pos != ' ')
5214                 return -1;
5215         pos++;
5216
5217         if (os_strncmp(pos, "upnp ", 5) == 0) {
5218                 u8 version;
5219                 pos += 5;
5220                 if (hexstr2bin(pos, &version, 1) < 0)
5221                         return -1;
5222                 pos += 2;
5223                 if (*pos != ' ')
5224                         return -1;
5225                 pos++;
5226                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
5227 #ifdef CONFIG_WIFI_DISPLAY
5228         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
5229                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
5230 #endif /* CONFIG_WIFI_DISPLAY */
5231         } else if (os_strncmp(pos, "asp ", 4) == 0) {
5232                 char *svc_str;
5233                 char *svc_info = NULL;
5234                 u32 id;
5235
5236                 pos += 4;
5237                 if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
5238                         return -1;
5239
5240                 pos = os_strchr(pos, ' ');
5241                 if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
5242                         return -1;
5243
5244                 svc_str = pos + 1;
5245
5246                 pos = os_strchr(svc_str, ' ');
5247
5248                 if (pos)
5249                         *pos++ = '\0';
5250
5251                 /* All remaining data is the svc_info string */
5252                 if (pos && pos[0] && pos[0] != ' ') {
5253                         len = os_strlen(pos);
5254
5255                         /* Unescape in place */
5256                         len = utf8_unescape(pos, len, pos, len);
5257                         if (len > 0xff)
5258                                 return -1;
5259
5260                         svc_info = pos;
5261                 }
5262
5263                 ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
5264                                               svc_str, svc_info);
5265         } else {
5266                 len = os_strlen(pos);
5267                 if (len & 1)
5268                         return -1;
5269                 len /= 2;
5270                 tlvs = wpabuf_alloc(len);
5271                 if (tlvs == NULL)
5272                         return -1;
5273                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
5274                         wpabuf_free(tlvs);
5275                         return -1;
5276                 }
5277
5278                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
5279                 wpabuf_free(tlvs);
5280         }
5281         if (ref == 0)
5282                 return -1;
5283         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
5284         if (os_snprintf_error(buflen, res))
5285                 return -1;
5286         return res;
5287 }
5288
5289
5290 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
5291                                          char *cmd)
5292 {
5293         long long unsigned val;
5294         u64 req;
5295         if (sscanf(cmd, "%llx", &val) != 1)
5296                 return -1;
5297         req = val;
5298         return wpas_p2p_sd_cancel_request(wpa_s, req);
5299 }
5300
5301
5302 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
5303 {
5304         int freq;
5305         u8 dst[ETH_ALEN];
5306         u8 dialog_token;
5307         struct wpabuf *resp_tlvs;
5308         char *pos, *pos2;
5309         size_t len;
5310
5311         pos = os_strchr(cmd, ' ');
5312         if (pos == NULL)
5313                 return -1;
5314         *pos++ = '\0';
5315         freq = atoi(cmd);
5316         if (freq == 0)
5317                 return -1;
5318
5319         if (hwaddr_aton(pos, dst))
5320                 return -1;
5321         pos += 17;
5322         if (*pos != ' ')
5323                 return -1;
5324         pos++;
5325
5326         pos2 = os_strchr(pos, ' ');
5327         if (pos2 == NULL)
5328                 return -1;
5329         *pos2++ = '\0';
5330         dialog_token = atoi(pos);
5331
5332         len = os_strlen(pos2);
5333         if (len & 1)
5334                 return -1;
5335         len /= 2;
5336         resp_tlvs = wpabuf_alloc(len);
5337         if (resp_tlvs == NULL)
5338                 return -1;
5339         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
5340                 wpabuf_free(resp_tlvs);
5341                 return -1;
5342         }
5343
5344         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
5345         wpabuf_free(resp_tlvs);
5346         return 0;
5347 }
5348
5349
5350 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
5351                                        char *cmd)
5352 {
5353         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
5354                 return -1;
5355         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
5356         return 0;
5357 }
5358
5359
5360 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
5361                                         char *cmd)
5362 {
5363         char *pos;
5364         size_t len;
5365         struct wpabuf *query, *resp;
5366
5367         pos = os_strchr(cmd, ' ');
5368         if (pos == NULL)
5369                 return -1;
5370         *pos++ = '\0';
5371
5372         len = os_strlen(cmd);
5373         if (len & 1)
5374                 return -1;
5375         len /= 2;
5376         query = wpabuf_alloc(len);
5377         if (query == NULL)
5378                 return -1;
5379         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5380                 wpabuf_free(query);
5381                 return -1;
5382         }
5383
5384         len = os_strlen(pos);
5385         if (len & 1) {
5386                 wpabuf_free(query);
5387                 return -1;
5388         }
5389         len /= 2;
5390         resp = wpabuf_alloc(len);
5391         if (resp == NULL) {
5392                 wpabuf_free(query);
5393                 return -1;
5394         }
5395         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
5396                 wpabuf_free(query);
5397                 wpabuf_free(resp);
5398                 return -1;
5399         }
5400
5401         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
5402                 wpabuf_free(query);
5403                 wpabuf_free(resp);
5404                 return -1;
5405         }
5406         return 0;
5407 }
5408
5409
5410 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5411 {
5412         char *pos;
5413         u8 version;
5414
5415         pos = os_strchr(cmd, ' ');
5416         if (pos == NULL)
5417                 return -1;
5418         *pos++ = '\0';
5419
5420         if (hexstr2bin(cmd, &version, 1) < 0)
5421                 return -1;
5422
5423         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
5424 }
5425
5426
5427 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
5428                                     u8 replace, char *cmd)
5429 {
5430         char *pos;
5431         char *adv_str;
5432         u32 auto_accept, adv_id, svc_state, config_methods;
5433         char *svc_info = NULL;
5434         char *cpt_prio_str;
5435         u8 cpt_prio[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
5436
5437         pos = os_strchr(cmd, ' ');
5438         if (pos == NULL)
5439                 return -1;
5440         *pos++ = '\0';
5441
5442         /* Auto-Accept value is mandatory, and must be one of the
5443          * single values (0, 1, 2, 4) */
5444         auto_accept = atoi(cmd);
5445         switch (auto_accept) {
5446         case P2PS_SETUP_NONE: /* No auto-accept */
5447         case P2PS_SETUP_NEW:
5448         case P2PS_SETUP_CLIENT:
5449         case P2PS_SETUP_GROUP_OWNER:
5450                 break;
5451         default:
5452                 return -1;
5453         }
5454
5455         /* Advertisement ID is mandatory */
5456         cmd = pos;
5457         pos = os_strchr(cmd, ' ');
5458         if (pos == NULL)
5459                 return -1;
5460         *pos++ = '\0';
5461
5462         /* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
5463         if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
5464                 return -1;
5465
5466         /* Only allow replacements if exist, and adds if not */
5467         if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
5468                 if (!replace)
5469                         return -1;
5470         } else {
5471                 if (replace)
5472                         return -1;
5473         }
5474
5475         /* svc_state between 0 - 0xff is mandatory */
5476         if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
5477                 return -1;
5478
5479         pos = os_strchr(pos, ' ');
5480         if (pos == NULL)
5481                 return -1;
5482
5483         /* config_methods is mandatory */
5484         pos++;
5485         if (sscanf(pos, "%x", &config_methods) != 1)
5486                 return -1;
5487
5488         if (!(config_methods &
5489               (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
5490                 return -1;
5491
5492         pos = os_strchr(pos, ' ');
5493         if (pos == NULL)
5494                 return -1;
5495
5496         pos++;
5497         adv_str = pos;
5498
5499         /* Advertisement string is mandatory */
5500         if (!pos[0] || pos[0] == ' ')
5501                 return -1;
5502
5503         /* Terminate svc string */
5504         pos = os_strchr(pos, ' ');
5505         if (pos != NULL)
5506                 *pos++ = '\0';
5507
5508         cpt_prio_str = (pos && pos[0]) ? os_strstr(pos, "cpt=") : NULL;
5509         if (cpt_prio_str) {
5510                 pos = os_strchr(pos, ' ');
5511                 if (pos != NULL)
5512                         *pos++ = '\0';
5513
5514                 if (p2ps_ctrl_parse_cpt_priority(cpt_prio_str + 4, cpt_prio))
5515                         return -1;
5516         } else {
5517                 cpt_prio[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
5518                 cpt_prio[1] = 0;
5519         }
5520
5521         /* Service and Response Information are optional */
5522         if (pos && pos[0]) {
5523                 size_t len;
5524
5525                 /* Note the bare ' included, which cannot exist legally
5526                  * in unescaped string. */
5527                 svc_info = os_strstr(pos, "svc_info='");
5528
5529                 if (svc_info) {
5530                         svc_info += 9;
5531                         len = os_strlen(svc_info);
5532                         utf8_unescape(svc_info, len, svc_info, len);
5533                 }
5534         }
5535
5536         return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
5537                                         (u8) svc_state, (u16) config_methods,
5538                                         svc_info, cpt_prio);
5539 }
5540
5541
5542 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
5543 {
5544         char *pos;
5545
5546         pos = os_strchr(cmd, ' ');
5547         if (pos == NULL)
5548                 return -1;
5549         *pos++ = '\0';
5550
5551         if (os_strcmp(cmd, "bonjour") == 0)
5552                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
5553         if (os_strcmp(cmd, "upnp") == 0)
5554                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
5555         if (os_strcmp(cmd, "asp") == 0)
5556                 return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
5557         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5558         return -1;
5559 }
5560
5561
5562 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
5563                                         char *cmd)
5564 {
5565         size_t len;
5566         struct wpabuf *query;
5567         int ret;
5568
5569         len = os_strlen(cmd);
5570         if (len & 1)
5571                 return -1;
5572         len /= 2;
5573         query = wpabuf_alloc(len);
5574         if (query == NULL)
5575                 return -1;
5576         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5577                 wpabuf_free(query);
5578                 return -1;
5579         }
5580
5581         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
5582         wpabuf_free(query);
5583         return ret;
5584 }
5585
5586
5587 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5588 {
5589         char *pos;
5590         u8 version;
5591
5592         pos = os_strchr(cmd, ' ');
5593         if (pos == NULL)
5594                 return -1;
5595         *pos++ = '\0';
5596
5597         if (hexstr2bin(cmd, &version, 1) < 0)
5598                 return -1;
5599
5600         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
5601 }
5602
5603
5604 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
5605 {
5606         u32 adv_id;
5607
5608         if (os_strcmp(cmd, "all") == 0) {
5609                 wpas_p2p_service_flush_asp(wpa_s);
5610                 return 0;
5611         }
5612
5613         if (sscanf(cmd, "%x", &adv_id) != 1)
5614                 return -1;
5615
5616         return wpas_p2p_service_del_asp(wpa_s, adv_id);
5617 }
5618
5619
5620 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
5621 {
5622         char *pos;
5623
5624         pos = os_strchr(cmd, ' ');
5625         if (pos == NULL)
5626                 return -1;
5627         *pos++ = '\0';
5628
5629         if (os_strcmp(cmd, "bonjour") == 0)
5630                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
5631         if (os_strcmp(cmd, "upnp") == 0)
5632                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
5633         if (os_strcmp(cmd, "asp") == 0)
5634                 return p2p_ctrl_service_del_asp(wpa_s, pos);
5635         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5636         return -1;
5637 }
5638
5639
5640 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
5641 {
5642         char *pos;
5643
5644         pos = os_strchr(cmd, ' ');
5645         if (pos == NULL)
5646                 return -1;
5647         *pos++ = '\0';
5648
5649         if (os_strcmp(cmd, "asp") == 0)
5650                 return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
5651
5652         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5653         return -1;
5654 }
5655
5656
5657 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
5658 {
5659         u8 addr[ETH_ALEN];
5660
5661         /* <addr> */
5662
5663         if (hwaddr_aton(cmd, addr))
5664                 return -1;
5665
5666         return wpas_p2p_reject(wpa_s, addr);
5667 }
5668
5669
5670 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
5671 {
5672         char *pos;
5673         int id;
5674         struct wpa_ssid *ssid;
5675         u8 *_peer = NULL, peer[ETH_ALEN];
5676         int freq = 0, pref_freq = 0;
5677         int ht40, vht, max_oper_chwidth, chwidth = 0, freq2 = 0;
5678
5679         id = atoi(cmd);
5680         pos = os_strstr(cmd, " peer=");
5681         if (pos) {
5682                 pos += 6;
5683                 if (hwaddr_aton(pos, peer))
5684                         return -1;
5685                 _peer = peer;
5686         }
5687         ssid = wpa_config_get_network(wpa_s->conf, id);
5688         if (ssid == NULL || ssid->disabled != 2) {
5689                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5690                            "for persistent P2P group",
5691                            id);
5692                 return -1;
5693         }
5694
5695         pos = os_strstr(cmd, " freq=");
5696         if (pos) {
5697                 pos += 6;
5698                 freq = atoi(pos);
5699                 if (freq <= 0)
5700                         return -1;
5701         }
5702
5703         pos = os_strstr(cmd, " pref=");
5704         if (pos) {
5705                 pos += 6;
5706                 pref_freq = atoi(pos);
5707                 if (pref_freq <= 0)
5708                         return -1;
5709         }
5710
5711         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5712         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5713                 vht;
5714
5715         pos = os_strstr(cmd, "freq2=");
5716         if (pos)
5717                 freq2 = atoi(pos + 6);
5718
5719         pos = os_strstr(cmd, " max_oper_chwidth=");
5720         if (pos)
5721                 chwidth = atoi(pos + 18);
5722
5723         max_oper_chwidth = parse_freq(chwidth, freq2);
5724         if (max_oper_chwidth < 0)
5725                 return -1;
5726
5727         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, freq2, ht40, vht,
5728                                max_oper_chwidth, pref_freq);
5729 }
5730
5731
5732 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
5733 {
5734         char *pos;
5735         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
5736
5737         pos = os_strstr(cmd, " peer=");
5738         if (!pos)
5739                 return -1;
5740
5741         *pos = '\0';
5742         pos += 6;
5743         if (hwaddr_aton(pos, peer)) {
5744                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
5745                 return -1;
5746         }
5747
5748         pos = os_strstr(pos, " go_dev_addr=");
5749         if (pos) {
5750                 pos += 13;
5751                 if (hwaddr_aton(pos, go_dev_addr)) {
5752                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
5753                                    pos);
5754                         return -1;
5755                 }
5756                 go_dev = go_dev_addr;
5757         }
5758
5759         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
5760 }
5761
5762
5763 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
5764 {
5765         if (os_strncmp(cmd, "persistent=", 11) == 0)
5766                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
5767         if (os_strncmp(cmd, "group=", 6) == 0)
5768                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
5769
5770         return -1;
5771 }
5772
5773
5774 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
5775                                          int id, int freq, int vht_center_freq2,
5776                                          int ht40, int vht, int vht_chwidth)
5777 {
5778         struct wpa_ssid *ssid;
5779
5780         ssid = wpa_config_get_network(wpa_s->conf, id);
5781         if (ssid == NULL || ssid->disabled != 2) {
5782                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5783                            "for persistent P2P group",
5784                            id);
5785                 return -1;
5786         }
5787
5788         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq,
5789                                              vht_center_freq2, 0, ht40, vht,
5790                                              vht_chwidth, NULL, 0, 0);
5791 }
5792
5793
5794 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
5795 {
5796         int freq = 0, persistent = 0, group_id = -1;
5797         int vht = wpa_s->conf->p2p_go_vht;
5798         int ht40 = wpa_s->conf->p2p_go_ht40 || vht;
5799         int max_oper_chwidth, chwidth = 0, freq2 = 0;
5800         char *token, *context = NULL;
5801
5802         while ((token = str_token(cmd, " ", &context))) {
5803                 if (sscanf(token, "freq=%d", &freq) == 1 ||
5804                     sscanf(token, "freq2=%d", &freq2) == 1 ||
5805                     sscanf(token, "persistent=%d", &group_id) == 1 ||
5806                     sscanf(token, "max_oper_chwidth=%d", &chwidth) == 1) {
5807                         continue;
5808                 } else if (os_strcmp(token, "ht40") == 0) {
5809                         ht40 = 1;
5810                 } else if (os_strcmp(token, "vht") == 0) {
5811                         vht = 1;
5812                         ht40 = 1;
5813                 } else if (os_strcmp(token, "persistent") == 0) {
5814                         persistent = 1;
5815                 } else {
5816                         wpa_printf(MSG_DEBUG,
5817                                    "CTRL: Invalid P2P_GROUP_ADD parameter: '%s'",
5818                                    token);
5819                         return -1;
5820                 }
5821         }
5822
5823         max_oper_chwidth = parse_freq(chwidth, freq2);
5824         if (max_oper_chwidth < 0)
5825                 return -1;
5826
5827         if (group_id >= 0)
5828                 return p2p_ctrl_group_add_persistent(wpa_s, group_id,
5829                                                      freq, freq2, ht40, vht,
5830                                                      max_oper_chwidth);
5831
5832         return wpas_p2p_group_add(wpa_s, persistent, freq, freq2, ht40, vht,
5833                                   max_oper_chwidth);
5834 }
5835
5836
5837 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
5838                          char *buf, size_t buflen)
5839 {
5840         u8 addr[ETH_ALEN], *addr_ptr;
5841         int next, res;
5842         const struct p2p_peer_info *info;
5843         char *pos, *end;
5844         char devtype[WPS_DEV_TYPE_BUFSIZE];
5845         struct wpa_ssid *ssid;
5846         size_t i;
5847
5848         if (!wpa_s->global->p2p)
5849                 return -1;
5850
5851         if (os_strcmp(cmd, "FIRST") == 0) {
5852                 addr_ptr = NULL;
5853                 next = 0;
5854         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5855                 if (hwaddr_aton(cmd + 5, addr) < 0)
5856                         return -1;
5857                 addr_ptr = addr;
5858                 next = 1;
5859         } else {
5860                 if (hwaddr_aton(cmd, addr) < 0)
5861                         return -1;
5862                 addr_ptr = addr;
5863                 next = 0;
5864         }
5865
5866         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
5867         if (info == NULL)
5868                 return -1;
5869
5870         pos = buf;
5871         end = buf + buflen;
5872
5873         res = os_snprintf(pos, end - pos, MACSTR "\n"
5874                           "pri_dev_type=%s\n"
5875                           "device_name=%s\n"
5876                           "manufacturer=%s\n"
5877                           "model_name=%s\n"
5878                           "model_number=%s\n"
5879                           "serial_number=%s\n"
5880                           "config_methods=0x%x\n"
5881                           "dev_capab=0x%x\n"
5882                           "group_capab=0x%x\n"
5883                           "level=%d\n",
5884                           MAC2STR(info->p2p_device_addr),
5885                           wps_dev_type_bin2str(info->pri_dev_type,
5886                                                devtype, sizeof(devtype)),
5887                           info->device_name,
5888                           info->manufacturer,
5889                           info->model_name,
5890                           info->model_number,
5891                           info->serial_number,
5892                           info->config_methods,
5893                           info->dev_capab,
5894                           info->group_capab,
5895                           info->level);
5896         if (os_snprintf_error(end - pos, res))
5897                 return pos - buf;
5898         pos += res;
5899
5900         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
5901         {
5902                 const u8 *t;
5903                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
5904                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
5905                                   wps_dev_type_bin2str(t, devtype,
5906                                                        sizeof(devtype)));
5907                 if (os_snprintf_error(end - pos, res))
5908                         return pos - buf;
5909                 pos += res;
5910         }
5911
5912         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
5913         if (ssid) {
5914                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
5915                 if (os_snprintf_error(end - pos, res))
5916                         return pos - buf;
5917                 pos += res;
5918         }
5919
5920         res = p2p_get_peer_info_txt(info, pos, end - pos);
5921         if (res < 0)
5922                 return pos - buf;
5923         pos += res;
5924
5925         if (info->vendor_elems) {
5926                 res = os_snprintf(pos, end - pos, "vendor_elems=");
5927                 if (os_snprintf_error(end - pos, res))
5928                         return pos - buf;
5929                 pos += res;
5930
5931                 pos += wpa_snprintf_hex(pos, end - pos,
5932                                         wpabuf_head(info->vendor_elems),
5933                                         wpabuf_len(info->vendor_elems));
5934
5935                 res = os_snprintf(pos, end - pos, "\n");
5936                 if (os_snprintf_error(end - pos, res))
5937                         return pos - buf;
5938                 pos += res;
5939         }
5940
5941         return pos - buf;
5942 }
5943
5944
5945 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
5946                                   const char *param)
5947 {
5948         unsigned int i;
5949
5950         if (wpa_s->global->p2p == NULL)
5951                 return -1;
5952
5953         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
5954                 return -1;
5955
5956         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
5957                 struct wpa_freq_range *freq;
5958                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
5959                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
5960                            freq->min, freq->max);
5961         }
5962
5963         wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DISALLOW);
5964         return 0;
5965 }
5966
5967
5968 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
5969 {
5970         char *param;
5971
5972         if (wpa_s->global->p2p == NULL)
5973                 return -1;
5974
5975         param = os_strchr(cmd, ' ');
5976         if (param == NULL)
5977                 return -1;
5978         *param++ = '\0';
5979
5980         if (os_strcmp(cmd, "discoverability") == 0) {
5981                 p2p_set_client_discoverability(wpa_s->global->p2p,
5982                                                atoi(param));
5983                 return 0;
5984         }
5985
5986         if (os_strcmp(cmd, "managed") == 0) {
5987                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5988                 return 0;
5989         }
5990
5991         if (os_strcmp(cmd, "listen_channel") == 0) {
5992                 char *pos;
5993                 u8 channel, op_class;
5994
5995                 channel = atoi(param);
5996                 pos = os_strchr(param, ' ');
5997                 op_class = pos ? atoi(pos) : 81;
5998
5999                 return p2p_set_listen_channel(wpa_s->global->p2p, op_class,
6000                                               channel, 1);
6001         }
6002
6003         if (os_strcmp(cmd, "ssid_postfix") == 0) {
6004                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
6005                                             os_strlen(param));
6006         }
6007
6008         if (os_strcmp(cmd, "noa") == 0) {
6009                 char *pos;
6010                 int count, start, duration;
6011                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
6012                 count = atoi(param);
6013                 pos = os_strchr(param, ',');
6014                 if (pos == NULL)
6015                         return -1;
6016                 pos++;
6017                 start = atoi(pos);
6018                 pos = os_strchr(pos, ',');
6019                 if (pos == NULL)
6020                         return -1;
6021                 pos++;
6022                 duration = atoi(pos);
6023                 if (count < 0 || count > 255 || start < 0 || duration < 0)
6024                         return -1;
6025                 if (count == 0 && duration > 0)
6026                         return -1;
6027                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
6028                            "start=%d duration=%d", count, start, duration);
6029                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
6030         }
6031
6032         if (os_strcmp(cmd, "ps") == 0)
6033                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
6034
6035         if (os_strcmp(cmd, "oppps") == 0)
6036                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
6037
6038         if (os_strcmp(cmd, "ctwindow") == 0)
6039                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
6040
6041         if (os_strcmp(cmd, "disabled") == 0) {
6042                 wpa_s->global->p2p_disabled = atoi(param);
6043                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
6044                            wpa_s->global->p2p_disabled ?
6045                            "disabled" : "enabled");
6046                 if (wpa_s->global->p2p_disabled) {
6047                         wpas_p2p_stop_find(wpa_s);
6048                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
6049                         p2p_flush(wpa_s->global->p2p);
6050                 }
6051                 return 0;
6052         }
6053
6054         if (os_strcmp(cmd, "conc_pref") == 0) {
6055                 if (os_strcmp(param, "sta") == 0)
6056                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
6057                 else if (os_strcmp(param, "p2p") == 0)
6058                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
6059                 else {
6060                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
6061                         return -1;
6062                 }
6063                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
6064                            "%s", param);
6065                 return 0;
6066         }
6067
6068         if (os_strcmp(cmd, "force_long_sd") == 0) {
6069                 wpa_s->force_long_sd = atoi(param);
6070                 return 0;
6071         }
6072
6073         if (os_strcmp(cmd, "peer_filter") == 0) {
6074                 u8 addr[ETH_ALEN];
6075                 if (hwaddr_aton(param, addr))
6076                         return -1;
6077                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
6078                 return 0;
6079         }
6080
6081         if (os_strcmp(cmd, "cross_connect") == 0)
6082                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
6083
6084         if (os_strcmp(cmd, "go_apsd") == 0) {
6085                 if (os_strcmp(param, "disable") == 0)
6086                         wpa_s->set_ap_uapsd = 0;
6087                 else {
6088                         wpa_s->set_ap_uapsd = 1;
6089                         wpa_s->ap_uapsd = atoi(param);
6090                 }
6091                 return 0;
6092         }
6093
6094         if (os_strcmp(cmd, "client_apsd") == 0) {
6095                 if (os_strcmp(param, "disable") == 0)
6096                         wpa_s->set_sta_uapsd = 0;
6097                 else {
6098                         int be, bk, vi, vo;
6099                         char *pos;
6100                         /* format: BE,BK,VI,VO;max SP Length */
6101                         be = atoi(param);
6102                         pos = os_strchr(param, ',');
6103                         if (pos == NULL)
6104                                 return -1;
6105                         pos++;
6106                         bk = atoi(pos);
6107                         pos = os_strchr(pos, ',');
6108                         if (pos == NULL)
6109                                 return -1;
6110                         pos++;
6111                         vi = atoi(pos);
6112                         pos = os_strchr(pos, ',');
6113                         if (pos == NULL)
6114                                 return -1;
6115                         pos++;
6116                         vo = atoi(pos);
6117                         /* ignore max SP Length for now */
6118
6119                         wpa_s->set_sta_uapsd = 1;
6120                         wpa_s->sta_uapsd = 0;
6121                         if (be)
6122                                 wpa_s->sta_uapsd |= BIT(0);
6123                         if (bk)
6124                                 wpa_s->sta_uapsd |= BIT(1);
6125                         if (vi)
6126                                 wpa_s->sta_uapsd |= BIT(2);
6127                         if (vo)
6128                                 wpa_s->sta_uapsd |= BIT(3);
6129                 }
6130                 return 0;
6131         }
6132
6133         if (os_strcmp(cmd, "disallow_freq") == 0)
6134                 return p2p_ctrl_disallow_freq(wpa_s, param);
6135
6136         if (os_strcmp(cmd, "disc_int") == 0) {
6137                 int min_disc_int, max_disc_int, max_disc_tu;
6138                 char *pos;
6139
6140                 pos = param;
6141
6142                 min_disc_int = atoi(pos);
6143                 pos = os_strchr(pos, ' ');
6144                 if (pos == NULL)
6145                         return -1;
6146                 *pos++ = '\0';
6147
6148                 max_disc_int = atoi(pos);
6149                 pos = os_strchr(pos, ' ');
6150                 if (pos == NULL)
6151                         return -1;
6152                 *pos++ = '\0';
6153
6154                 max_disc_tu = atoi(pos);
6155
6156                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
6157                                         max_disc_int, max_disc_tu);
6158         }
6159
6160         if (os_strcmp(cmd, "per_sta_psk") == 0) {
6161                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
6162                 return 0;
6163         }
6164
6165 #ifdef CONFIG_WPS_NFC
6166         if (os_strcmp(cmd, "nfc_tag") == 0)
6167                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
6168 #endif /* CONFIG_WPS_NFC */
6169
6170         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
6171                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
6172                 return 0;
6173         }
6174
6175         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
6176                    cmd);
6177
6178         return -1;
6179 }
6180
6181
6182 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
6183 {
6184         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
6185         wpa_s->force_long_sd = 0;
6186         wpas_p2p_stop_find(wpa_s);
6187         wpa_s->parent->p2ps_method_config_any = 0;
6188         if (wpa_s->global->p2p)
6189                 p2p_flush(wpa_s->global->p2p);
6190 }
6191
6192
6193 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
6194 {
6195         char *pos, *pos2;
6196         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
6197
6198         if (cmd[0]) {
6199                 pos = os_strchr(cmd, ' ');
6200                 if (pos == NULL)
6201                         return -1;
6202                 *pos++ = '\0';
6203                 dur1 = atoi(cmd);
6204
6205                 pos2 = os_strchr(pos, ' ');
6206                 if (pos2)
6207                         *pos2++ = '\0';
6208                 int1 = atoi(pos);
6209         } else
6210                 pos2 = NULL;
6211
6212         if (pos2) {
6213                 pos = os_strchr(pos2, ' ');
6214                 if (pos == NULL)
6215                         return -1;
6216                 *pos++ = '\0';
6217                 dur2 = atoi(pos2);
6218                 int2 = atoi(pos);
6219         }
6220
6221         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
6222 }
6223
6224
6225 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
6226 {
6227         char *pos;
6228         unsigned int period = 0, interval = 0;
6229
6230         if (cmd[0]) {
6231                 pos = os_strchr(cmd, ' ');
6232                 if (pos == NULL)
6233                         return -1;
6234                 *pos++ = '\0';
6235                 period = atoi(cmd);
6236                 interval = atoi(pos);
6237         }
6238
6239         return wpas_p2p_ext_listen(wpa_s, period, interval);
6240 }
6241
6242
6243 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
6244 {
6245         const char *pos;
6246         u8 peer[ETH_ALEN];
6247         int iface_addr = 0;
6248
6249         pos = cmd;
6250         if (os_strncmp(pos, "iface=", 6) == 0) {
6251                 iface_addr = 1;
6252                 pos += 6;
6253         }
6254         if (hwaddr_aton(pos, peer))
6255                 return -1;
6256
6257         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
6258         return 0;
6259 }
6260
6261 #endif /* CONFIG_P2P */
6262
6263
6264 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
6265 {
6266         struct wpa_freq_range_list ranges;
6267         int *freqs = NULL;
6268         struct hostapd_hw_modes *mode;
6269         u16 i;
6270
6271         if (wpa_s->hw.modes == NULL)
6272                 return NULL;
6273
6274         os_memset(&ranges, 0, sizeof(ranges));
6275         if (freq_range_list_parse(&ranges, val) < 0)
6276                 return NULL;
6277
6278         for (i = 0; i < wpa_s->hw.num_modes; i++) {
6279                 int j;
6280
6281                 mode = &wpa_s->hw.modes[i];
6282                 for (j = 0; j < mode->num_channels; j++) {
6283                         unsigned int freq;
6284
6285                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
6286                                 continue;
6287
6288                         freq = mode->channels[j].freq;
6289                         if (!freq_range_list_includes(&ranges, freq))
6290                                 continue;
6291
6292                         int_array_add_unique(&freqs, freq);
6293                 }
6294         }
6295
6296         os_free(ranges.range);
6297         return freqs;
6298 }
6299
6300
6301 #ifdef CONFIG_INTERWORKING
6302
6303 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
6304 {
6305         int auto_sel = 0;
6306         int *freqs = NULL;
6307
6308         if (param) {
6309                 char *pos;
6310
6311                 auto_sel = os_strstr(param, "auto") != NULL;
6312
6313                 pos = os_strstr(param, "freq=");
6314                 if (pos) {
6315                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
6316                         if (freqs == NULL)
6317                                 return -1;
6318                 }
6319
6320         }
6321
6322         return interworking_select(wpa_s, auto_sel, freqs);
6323 }
6324
6325
6326 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
6327                                      int only_add)
6328 {
6329         u8 bssid[ETH_ALEN];
6330         struct wpa_bss *bss;
6331
6332         if (hwaddr_aton(dst, bssid)) {
6333                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
6334                 return -1;
6335         }
6336
6337         bss = wpa_bss_get_bssid(wpa_s, bssid);
6338         if (bss == NULL) {
6339                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
6340                            MAC2STR(bssid));
6341                 return -1;
6342         }
6343
6344         if (bss->ssid_len == 0) {
6345                 int found = 0;
6346
6347                 wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
6348                            " does not have SSID information", MAC2STR(bssid));
6349
6350                 dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
6351                                          list) {
6352                         if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
6353                             bss->ssid_len > 0) {
6354                                 found = 1;
6355                                 break;
6356                         }
6357                 }
6358
6359                 if (!found)
6360                         return -1;
6361                 wpa_printf(MSG_DEBUG,
6362                            "Found another matching BSS entry with SSID");
6363         }
6364
6365         return interworking_connect(wpa_s, bss, only_add);
6366 }
6367
6368
6369 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
6370 {
6371         u8 dst_addr[ETH_ALEN];
6372         int used;
6373         char *pos;
6374 #define MAX_ANQP_INFO_ID 100
6375         u16 id[MAX_ANQP_INFO_ID];
6376         size_t num_id = 0;
6377         u32 subtypes = 0;
6378
6379         used = hwaddr_aton2(dst, dst_addr);
6380         if (used < 0)
6381                 return -1;
6382         pos = dst + used;
6383         if (*pos == ' ')
6384                 pos++;
6385         while (num_id < MAX_ANQP_INFO_ID) {
6386                 if (os_strncmp(pos, "hs20:", 5) == 0) {
6387 #ifdef CONFIG_HS20
6388                         int num = atoi(pos + 5);
6389                         if (num <= 0 || num > 31)
6390                                 return -1;
6391                         subtypes |= BIT(num);
6392 #else /* CONFIG_HS20 */
6393                         return -1;
6394 #endif /* CONFIG_HS20 */
6395                 } else {
6396                         id[num_id] = atoi(pos);
6397                         if (id[num_id])
6398                                 num_id++;
6399                 }
6400                 pos = os_strchr(pos + 1, ',');
6401                 if (pos == NULL)
6402                         break;
6403                 pos++;
6404         }
6405
6406         if (num_id == 0)
6407                 return -1;
6408
6409         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
6410 }
6411
6412
6413 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
6414 {
6415         u8 dst_addr[ETH_ALEN];
6416         struct wpabuf *advproto, *query = NULL;
6417         int used, ret = -1;
6418         char *pos, *end;
6419         size_t len;
6420
6421         used = hwaddr_aton2(cmd, dst_addr);
6422         if (used < 0)
6423                 return -1;
6424
6425         pos = cmd + used;
6426         while (*pos == ' ')
6427                 pos++;
6428
6429         /* Advertisement Protocol ID */
6430         end = os_strchr(pos, ' ');
6431         if (end)
6432                 len = end - pos;
6433         else
6434                 len = os_strlen(pos);
6435         if (len & 0x01)
6436                 return -1;
6437         len /= 2;
6438         if (len == 0)
6439                 return -1;
6440         advproto = wpabuf_alloc(len);
6441         if (advproto == NULL)
6442                 return -1;
6443         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
6444                 goto fail;
6445
6446         if (end) {
6447                 /* Optional Query Request */
6448                 pos = end + 1;
6449                 while (*pos == ' ')
6450                         pos++;
6451
6452                 len = os_strlen(pos);
6453                 if (len) {
6454                         if (len & 0x01)
6455                                 goto fail;
6456                         len /= 2;
6457                         if (len == 0)
6458                                 goto fail;
6459                         query = wpabuf_alloc(len);
6460                         if (query == NULL)
6461                                 goto fail;
6462                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
6463                                 goto fail;
6464                 }
6465         }
6466
6467         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
6468
6469 fail:
6470         wpabuf_free(advproto);
6471         wpabuf_free(query);
6472
6473         return ret;
6474 }
6475
6476
6477 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
6478                             size_t buflen)
6479 {
6480         u8 addr[ETH_ALEN];
6481         int dialog_token;
6482         int used;
6483         char *pos;
6484         size_t resp_len, start, requested_len;
6485         struct wpabuf *resp;
6486         int ret;
6487
6488         used = hwaddr_aton2(cmd, addr);
6489         if (used < 0)
6490                 return -1;
6491
6492         pos = cmd + used;
6493         while (*pos == ' ')
6494                 pos++;
6495         dialog_token = atoi(pos);
6496
6497         if (wpa_s->last_gas_resp &&
6498             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
6499             dialog_token == wpa_s->last_gas_dialog_token)
6500                 resp = wpa_s->last_gas_resp;
6501         else if (wpa_s->prev_gas_resp &&
6502                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
6503                  dialog_token == wpa_s->prev_gas_dialog_token)
6504                 resp = wpa_s->prev_gas_resp;
6505         else
6506                 return -1;
6507
6508         resp_len = wpabuf_len(resp);
6509         start = 0;
6510         requested_len = resp_len;
6511
6512         pos = os_strchr(pos, ' ');
6513         if (pos) {
6514                 start = atoi(pos);
6515                 if (start > resp_len)
6516                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6517                 pos = os_strchr(pos, ',');
6518                 if (pos == NULL)
6519                         return -1;
6520                 pos++;
6521                 requested_len = atoi(pos);
6522                 if (start + requested_len > resp_len)
6523                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6524         }
6525
6526         if (requested_len * 2 + 1 > buflen)
6527                 return os_snprintf(buf, buflen, "FAIL-Too long response");
6528
6529         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
6530                                requested_len);
6531
6532         if (start + requested_len == resp_len) {
6533                 /*
6534                  * Free memory by dropping the response after it has been
6535                  * fetched.
6536                  */
6537                 if (resp == wpa_s->prev_gas_resp) {
6538                         wpabuf_free(wpa_s->prev_gas_resp);
6539                         wpa_s->prev_gas_resp = NULL;
6540                 } else {
6541                         wpabuf_free(wpa_s->last_gas_resp);
6542                         wpa_s->last_gas_resp = NULL;
6543                 }
6544         }
6545
6546         return ret;
6547 }
6548 #endif /* CONFIG_INTERWORKING */
6549
6550
6551 #ifdef CONFIG_HS20
6552
6553 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
6554 {
6555         u8 dst_addr[ETH_ALEN];
6556         int used;
6557         char *pos;
6558         u32 subtypes = 0;
6559
6560         used = hwaddr_aton2(dst, dst_addr);
6561         if (used < 0)
6562                 return -1;
6563         pos = dst + used;
6564         if (*pos == ' ')
6565                 pos++;
6566         for (;;) {
6567                 int num = atoi(pos);
6568                 if (num <= 0 || num > 31)
6569                         return -1;
6570                 subtypes |= BIT(num);
6571                 pos = os_strchr(pos + 1, ',');
6572                 if (pos == NULL)
6573                         break;
6574                 pos++;
6575         }
6576
6577         if (subtypes == 0)
6578                 return -1;
6579
6580         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0, 0);
6581 }
6582
6583
6584 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6585                                     const u8 *addr, const char *realm)
6586 {
6587         u8 *buf;
6588         size_t rlen, len;
6589         int ret;
6590
6591         rlen = os_strlen(realm);
6592         len = 3 + rlen;
6593         buf = os_malloc(len);
6594         if (buf == NULL)
6595                 return -1;
6596         buf[0] = 1; /* NAI Home Realm Count */
6597         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
6598         buf[2] = rlen;
6599         os_memcpy(buf + 3, realm, rlen);
6600
6601         ret = hs20_anqp_send_req(wpa_s, addr,
6602                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6603                                  buf, len, 0);
6604
6605         os_free(buf);
6606
6607         return ret;
6608 }
6609
6610
6611 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6612                                         char *dst)
6613 {
6614         struct wpa_cred *cred = wpa_s->conf->cred;
6615         u8 dst_addr[ETH_ALEN];
6616         int used;
6617         u8 *buf;
6618         size_t len;
6619         int ret;
6620
6621         used = hwaddr_aton2(dst, dst_addr);
6622         if (used < 0)
6623                 return -1;
6624
6625         while (dst[used] == ' ')
6626                 used++;
6627         if (os_strncmp(dst + used, "realm=", 6) == 0)
6628                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
6629                                                 dst + used + 6);
6630
6631         len = os_strlen(dst + used);
6632
6633         if (len == 0 && cred && cred->realm)
6634                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
6635
6636         if (len & 1)
6637                 return -1;
6638         len /= 2;
6639         buf = os_malloc(len);
6640         if (buf == NULL)
6641                 return -1;
6642         if (hexstr2bin(dst + used, buf, len) < 0) {
6643                 os_free(buf);
6644                 return -1;
6645         }
6646
6647         ret = hs20_anqp_send_req(wpa_s, dst_addr,
6648                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6649                                  buf, len, 0);
6650         os_free(buf);
6651
6652         return ret;
6653 }
6654
6655
6656 static int get_hs20_icon(struct wpa_supplicant *wpa_s, char *cmd, char *reply,
6657                          int buflen)
6658 {
6659         u8 dst_addr[ETH_ALEN];
6660         int used;
6661         char *ctx = NULL, *icon, *poffset, *psize;
6662
6663         used = hwaddr_aton2(cmd, dst_addr);
6664         if (used < 0)
6665                 return -1;
6666         cmd += used;
6667
6668         icon = str_token(cmd, " ", &ctx);
6669         poffset = str_token(cmd, " ", &ctx);
6670         psize = str_token(cmd, " ", &ctx);
6671         if (!icon || !poffset || !psize)
6672                 return -1;
6673
6674         wpa_s->fetch_osu_icon_in_progress = 0;
6675         return hs20_get_icon(wpa_s, dst_addr, icon, atoi(poffset), atoi(psize),
6676                              reply, buflen);
6677 }
6678
6679
6680 static int del_hs20_icon(struct wpa_supplicant *wpa_s, char *cmd)
6681 {
6682         u8 dst_addr[ETH_ALEN];
6683         int used;
6684         char *icon;
6685
6686         if (!cmd[0])
6687                 return hs20_del_icon(wpa_s, NULL, NULL);
6688
6689         used = hwaddr_aton2(cmd, dst_addr);
6690         if (used < 0)
6691                 return -1;
6692
6693         while (cmd[used] == ' ')
6694                 used++;
6695         icon = cmd[used] ? &cmd[used] : NULL;
6696
6697         return hs20_del_icon(wpa_s, dst_addr, icon);
6698 }
6699
6700
6701 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd, int inmem)
6702 {
6703         u8 dst_addr[ETH_ALEN];
6704         int used;
6705         char *icon;
6706
6707         used = hwaddr_aton2(cmd, dst_addr);
6708         if (used < 0)
6709                 return -1;
6710
6711         while (cmd[used] == ' ')
6712                 used++;
6713         icon = &cmd[used];
6714
6715         wpa_s->fetch_osu_icon_in_progress = 0;
6716         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
6717                                   (u8 *) icon, os_strlen(icon), inmem);
6718 }
6719
6720 #endif /* CONFIG_HS20 */
6721
6722
6723 #ifdef CONFIG_AUTOSCAN
6724
6725 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
6726                                               char *cmd)
6727 {
6728         enum wpa_states state = wpa_s->wpa_state;
6729         char *new_params = NULL;
6730
6731         if (os_strlen(cmd) > 0) {
6732                 new_params = os_strdup(cmd);
6733                 if (new_params == NULL)
6734                         return -1;
6735         }
6736
6737         os_free(wpa_s->conf->autoscan);
6738         wpa_s->conf->autoscan = new_params;
6739
6740         if (wpa_s->conf->autoscan == NULL)
6741                 autoscan_deinit(wpa_s);
6742         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
6743                 autoscan_init(wpa_s, 1);
6744         else if (state == WPA_SCANNING)
6745                 wpa_supplicant_reinit_autoscan(wpa_s);
6746
6747         return 0;
6748 }
6749
6750 #endif /* CONFIG_AUTOSCAN */
6751
6752
6753 #ifdef CONFIG_WNM
6754
6755 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
6756 {
6757         int enter;
6758         int intval = 0;
6759         char *pos;
6760         int ret;
6761         struct wpabuf *tfs_req = NULL;
6762
6763         if (os_strncmp(cmd, "enter", 5) == 0)
6764                 enter = 1;
6765         else if (os_strncmp(cmd, "exit", 4) == 0)
6766                 enter = 0;
6767         else
6768                 return -1;
6769
6770         pos = os_strstr(cmd, " interval=");
6771         if (pos)
6772                 intval = atoi(pos + 10);
6773
6774         pos = os_strstr(cmd, " tfs_req=");
6775         if (pos) {
6776                 char *end;
6777                 size_t len;
6778                 pos += 9;
6779                 end = os_strchr(pos, ' ');
6780                 if (end)
6781                         len = end - pos;
6782                 else
6783                         len = os_strlen(pos);
6784                 if (len & 1)
6785                         return -1;
6786                 len /= 2;
6787                 tfs_req = wpabuf_alloc(len);
6788                 if (tfs_req == NULL)
6789                         return -1;
6790                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
6791                         wpabuf_free(tfs_req);
6792                         return -1;
6793                 }
6794         }
6795
6796         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
6797                                            WNM_SLEEP_MODE_EXIT, intval,
6798                                            tfs_req);
6799         wpabuf_free(tfs_req);
6800
6801         return ret;
6802 }
6803
6804
6805 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
6806 {
6807         int query_reason, list = 0;
6808
6809         query_reason = atoi(cmd);
6810
6811         cmd = os_strchr(cmd, ' ');
6812         if (cmd) {
6813                 cmd++;
6814                 if (os_strncmp(cmd, "list", 4) == 0) {
6815                         list = 1;
6816                 } else {
6817                         wpa_printf(MSG_DEBUG, "WNM Query: Invalid option %s",
6818                                    cmd);
6819                         return -1;
6820                 }
6821         }
6822
6823         wpa_printf(MSG_DEBUG,
6824                    "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d%s",
6825                    query_reason, list ? " candidate list" : "");
6826
6827         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason, list);
6828 }
6829
6830 #endif /* CONFIG_WNM */
6831
6832
6833 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
6834                                       size_t buflen)
6835 {
6836         struct wpa_signal_info si;
6837         int ret;
6838         char *pos, *end;
6839
6840         ret = wpa_drv_signal_poll(wpa_s, &si);
6841         if (ret)
6842                 return -1;
6843
6844         pos = buf;
6845         end = buf + buflen;
6846
6847         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
6848                           "NOISE=%d\nFREQUENCY=%u\n",
6849                           si.current_signal, si.current_txrate / 1000,
6850                           si.current_noise, si.frequency);
6851         if (os_snprintf_error(end - pos, ret))
6852                 return -1;
6853         pos += ret;
6854
6855         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
6856                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
6857                                   channel_width_to_string(si.chanwidth));
6858                 if (os_snprintf_error(end - pos, ret))
6859                         return -1;
6860                 pos += ret;
6861         }
6862
6863         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
6864                 ret = os_snprintf(pos, end - pos,
6865                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
6866                                   si.center_frq1, si.center_frq2);
6867                 if (os_snprintf_error(end - pos, ret))
6868                         return -1;
6869                 pos += ret;
6870         }
6871
6872         if (si.avg_signal) {
6873                 ret = os_snprintf(pos, end - pos,
6874                                   "AVG_RSSI=%d\n", si.avg_signal);
6875                 if (os_snprintf_error(end - pos, ret))
6876                         return -1;
6877                 pos += ret;
6878         }
6879
6880         if (si.avg_beacon_signal) {
6881                 ret = os_snprintf(pos, end - pos,
6882                                   "AVG_BEACON_RSSI=%d\n", si.avg_beacon_signal);
6883                 if (os_snprintf_error(end - pos, ret))
6884                         return -1;
6885                 pos += ret;
6886         }
6887
6888         return pos - buf;
6889 }
6890
6891
6892 static int wpas_ctrl_iface_signal_monitor(struct wpa_supplicant *wpa_s,
6893                                           const char *cmd)
6894 {
6895         const char *pos;
6896         int threshold = 0;
6897         int hysteresis = 0;
6898
6899         if (wpa_s->bgscan && wpa_s->bgscan_priv) {
6900                 wpa_printf(MSG_DEBUG,
6901                            "Reject SIGNAL_MONITOR command - bgscan is active");
6902                 return -1;
6903         }
6904         pos = os_strstr(cmd, "THRESHOLD=");
6905         if (pos)
6906                 threshold = atoi(pos + 10);
6907         pos = os_strstr(cmd, "HYSTERESIS=");
6908         if (pos)
6909                 hysteresis = atoi(pos + 11);
6910         return wpa_drv_signal_monitor(wpa_s, threshold, hysteresis);
6911 }
6912
6913
6914 static int wpas_ctrl_iface_get_pref_freq_list(
6915         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
6916 {
6917         unsigned int freq_list[100], num = 100, i;
6918         int ret;
6919         enum wpa_driver_if_type iface_type;
6920         char *pos, *end;
6921
6922         pos = buf;
6923         end = buf + buflen;
6924
6925         /* buf: "<interface_type>" */
6926         if (os_strcmp(cmd, "STATION") == 0)
6927                 iface_type = WPA_IF_STATION;
6928         else if (os_strcmp(cmd, "AP") == 0)
6929                 iface_type = WPA_IF_AP_BSS;
6930         else if (os_strcmp(cmd, "P2P_GO") == 0)
6931                 iface_type = WPA_IF_P2P_GO;
6932         else if (os_strcmp(cmd, "P2P_CLIENT") == 0)
6933                 iface_type = WPA_IF_P2P_CLIENT;
6934         else if (os_strcmp(cmd, "IBSS") == 0)
6935                 iface_type = WPA_IF_IBSS;
6936         else if (os_strcmp(cmd, "TDLS") == 0)
6937                 iface_type = WPA_IF_TDLS;
6938         else
6939                 return -1;
6940
6941         wpa_printf(MSG_DEBUG,
6942                    "CTRL_IFACE: GET_PREF_FREQ_LIST iface_type=%d (%s)",
6943                    iface_type, buf);
6944
6945         ret = wpa_drv_get_pref_freq_list(wpa_s, iface_type, &num, freq_list);
6946         if (ret)
6947                 return -1;
6948
6949         for (i = 0; i < num; i++) {
6950                 ret = os_snprintf(pos, end - pos, "%s%u",
6951                                   i > 0 ? "," : "", freq_list[i]);
6952                 if (os_snprintf_error(end - pos, ret))
6953                         return -1;
6954                 pos += ret;
6955         }
6956
6957         return pos - buf;
6958 }
6959
6960
6961 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
6962                                       size_t buflen)
6963 {
6964         struct hostap_sta_driver_data sta;
6965         int ret;
6966
6967         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
6968         if (ret)
6969                 return -1;
6970
6971         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
6972                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
6973         if (os_snprintf_error(buflen, ret))
6974                 return -1;
6975         return ret;
6976 }
6977
6978
6979 #ifdef ANDROID
6980 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6981                                      char *buf, size_t buflen)
6982 {
6983         int ret;
6984
6985         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
6986         if (ret == 0) {
6987                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
6988                         struct p2p_data *p2p = wpa_s->global->p2p;
6989                         if (p2p) {
6990                                 char country[3];
6991                                 country[0] = cmd[8];
6992                                 country[1] = cmd[9];
6993                                 country[2] = 0x04;
6994                                 p2p_set_country(p2p, country);
6995                         }
6996                 }
6997                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
6998                 if (os_snprintf_error(buflen, ret))
6999                         ret = -1;
7000         }
7001         return ret;
7002 }
7003 #endif /* ANDROID */
7004
7005
7006 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
7007                                      char *buf, size_t buflen)
7008 {
7009         int ret;
7010         char *pos;
7011         u8 *data = NULL;
7012         unsigned int vendor_id, subcmd;
7013         struct wpabuf *reply;
7014         size_t data_len = 0;
7015
7016         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
7017         vendor_id = strtoul(cmd, &pos, 16);
7018         if (!isblank((unsigned char) *pos))
7019                 return -EINVAL;
7020
7021         subcmd = strtoul(pos, &pos, 10);
7022
7023         if (*pos != '\0') {
7024                 if (!isblank((unsigned char) *pos++))
7025                         return -EINVAL;
7026                 data_len = os_strlen(pos);
7027         }
7028
7029         if (data_len) {
7030                 data_len /= 2;
7031                 data = os_malloc(data_len);
7032                 if (!data)
7033                         return -1;
7034
7035                 if (hexstr2bin(pos, data, data_len)) {
7036                         wpa_printf(MSG_DEBUG,
7037                                    "Vendor command: wrong parameter format");
7038                         os_free(data);
7039                         return -EINVAL;
7040                 }
7041         }
7042
7043         reply = wpabuf_alloc((buflen - 1) / 2);
7044         if (!reply) {
7045                 os_free(data);
7046                 return -1;
7047         }
7048
7049         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
7050                                  reply);
7051
7052         if (ret == 0)
7053                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
7054                                        wpabuf_len(reply));
7055
7056         wpabuf_free(reply);
7057         os_free(data);
7058
7059         return ret;
7060 }
7061
7062
7063 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
7064 {
7065 #ifdef CONFIG_P2P
7066         struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
7067                 wpa_s->global->p2p_init_wpa_s : wpa_s;
7068 #endif /* CONFIG_P2P */
7069
7070         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
7071
7072         wpas_abort_ongoing_scan(wpa_s);
7073
7074         if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
7075                 /*
7076                  * Avoid possible auto connect re-connection on getting
7077                  * disconnected due to state flush.
7078                  */
7079                 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
7080         }
7081
7082 #ifdef CONFIG_P2P
7083         wpas_p2p_group_remove(p2p_wpa_s, "*");
7084         wpas_p2p_cancel(p2p_wpa_s);
7085         p2p_ctrl_flush(p2p_wpa_s);
7086         wpas_p2p_service_flush(p2p_wpa_s);
7087         p2p_wpa_s->global->p2p_disabled = 0;
7088         p2p_wpa_s->global->p2p_per_sta_psk = 0;
7089         p2p_wpa_s->conf->num_sec_device_types = 0;
7090         p2p_wpa_s->p2p_disable_ip_addr_req = 0;
7091         os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
7092         p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
7093         p2p_wpa_s->global->p2p_go_avoid_freq.num = 0;
7094         p2p_wpa_s->global->pending_p2ps_group = 0;
7095         p2p_wpa_s->global->pending_p2ps_group_freq = 0;
7096 #endif /* CONFIG_P2P */
7097
7098 #ifdef CONFIG_WPS_TESTING
7099         wps_version_number = 0x20;
7100         wps_testing_dummy_cred = 0;
7101         wps_corrupt_pkhash = 0;
7102         wps_force_auth_types_in_use = 0;
7103         wps_force_encr_types_in_use = 0;
7104 #endif /* CONFIG_WPS_TESTING */
7105 #ifdef CONFIG_WPS
7106         wpa_s->wps_fragment_size = 0;
7107         wpas_wps_cancel(wpa_s);
7108         wps_registrar_flush(wpa_s->wps->registrar);
7109 #endif /* CONFIG_WPS */
7110         wpa_s->after_wps = 0;
7111         wpa_s->known_wps_freq = 0;
7112
7113 #ifdef CONFIG_TDLS
7114 #ifdef CONFIG_TDLS_TESTING
7115         extern unsigned int tdls_testing;
7116         tdls_testing = 0;
7117 #endif /* CONFIG_TDLS_TESTING */
7118         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
7119         wpa_tdls_enable(wpa_s->wpa, 1);
7120 #endif /* CONFIG_TDLS */
7121
7122         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
7123         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
7124
7125         wpa_s->no_keep_alive = 0;
7126         wpa_s->own_disconnect_req = 0;
7127
7128         os_free(wpa_s->disallow_aps_bssid);
7129         wpa_s->disallow_aps_bssid = NULL;
7130         wpa_s->disallow_aps_bssid_count = 0;
7131         os_free(wpa_s->disallow_aps_ssid);
7132         wpa_s->disallow_aps_ssid = NULL;
7133         wpa_s->disallow_aps_ssid_count = 0;
7134
7135         wpa_s->set_sta_uapsd = 0;
7136         wpa_s->sta_uapsd = 0;
7137
7138         wpa_drv_radio_disable(wpa_s, 0);
7139         wpa_blacklist_clear(wpa_s);
7140         wpa_s->extra_blacklist_count = 0;
7141         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
7142         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
7143         wpa_config_flush_blobs(wpa_s->conf);
7144         wpa_s->conf->auto_interworking = 0;
7145         wpa_s->conf->okc = 0;
7146
7147         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
7148         rsn_preauth_deinit(wpa_s->wpa);
7149
7150         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
7151         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
7152         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
7153         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
7154
7155         radio_remove_works(wpa_s, NULL, 1);
7156         wpa_s->ext_work_in_progress = 0;
7157
7158         wpa_s->next_ssid = NULL;
7159
7160 #ifdef CONFIG_INTERWORKING
7161 #ifdef CONFIG_HS20
7162         hs20_cancel_fetch_osu(wpa_s);
7163         hs20_del_icon(wpa_s, NULL, NULL);
7164 #endif /* CONFIG_HS20 */
7165 #endif /* CONFIG_INTERWORKING */
7166
7167         wpa_s->ext_mgmt_frame_handling = 0;
7168         wpa_s->ext_eapol_frame_io = 0;
7169 #ifdef CONFIG_TESTING_OPTIONS
7170         wpa_s->extra_roc_dur = 0;
7171         wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
7172         wpa_s->p2p_go_csa_on_inv = 0;
7173         wpa_sm_set_test_assoc_ie(wpa_s->wpa, NULL);
7174 #endif /* CONFIG_TESTING_OPTIONS */
7175
7176         wpa_s->disconnected = 0;
7177         os_free(wpa_s->next_scan_freqs);
7178         wpa_s->next_scan_freqs = NULL;
7179
7180         wpa_bss_flush(wpa_s);
7181         if (!dl_list_empty(&wpa_s->bss)) {
7182                 wpa_printf(MSG_DEBUG,
7183                            "BSS table not empty after flush: %u entries, current_bss=%p bssid="
7184                            MACSTR " pending_bssid=" MACSTR,
7185                            dl_list_len(&wpa_s->bss), wpa_s->current_bss,
7186                            MAC2STR(wpa_s->bssid),
7187                            MAC2STR(wpa_s->pending_bssid));
7188         }
7189
7190         eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
7191         wpa_s->wnmsleep_used = 0;
7192 }
7193
7194
7195 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
7196                                      char *buf, size_t buflen)
7197 {
7198         struct wpa_radio_work *work;
7199         char *pos, *end;
7200         struct os_reltime now, diff;
7201
7202         pos = buf;
7203         end = buf + buflen;
7204
7205         os_get_reltime(&now);
7206
7207         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
7208         {
7209                 int ret;
7210
7211                 os_reltime_sub(&now, &work->time, &diff);
7212                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
7213                                   work->type, work->wpa_s->ifname, work->freq,
7214                                   work->started, diff.sec, diff.usec);
7215                 if (os_snprintf_error(end - pos, ret))
7216                         break;
7217                 pos += ret;
7218         }
7219
7220         return pos - buf;
7221 }
7222
7223
7224 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
7225 {
7226         struct wpa_radio_work *work = eloop_ctx;
7227         struct wpa_external_work *ework = work->ctx;
7228
7229         wpa_dbg(work->wpa_s, MSG_DEBUG,
7230                 "Timing out external radio work %u (%s)",
7231                 ework->id, work->type);
7232         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
7233         work->wpa_s->ext_work_in_progress = 0;
7234         radio_work_done(work);
7235         os_free(ework);
7236 }
7237
7238
7239 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
7240 {
7241         struct wpa_external_work *ework = work->ctx;
7242
7243         if (deinit) {
7244                 if (work->started)
7245                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
7246                                              work, NULL);
7247
7248                 os_free(ework);
7249                 return;
7250         }
7251
7252         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
7253                 ework->id, ework->type);
7254         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
7255         work->wpa_s->ext_work_in_progress = 1;
7256         if (!ework->timeout)
7257                 ework->timeout = 10;
7258         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
7259                                work, NULL);
7260 }
7261
7262
7263 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
7264                                     char *buf, size_t buflen)
7265 {
7266         struct wpa_external_work *ework;
7267         char *pos, *pos2;
7268         size_t type_len;
7269         int ret;
7270         unsigned int freq = 0;
7271
7272         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
7273
7274         ework = os_zalloc(sizeof(*ework));
7275         if (ework == NULL)
7276                 return -1;
7277
7278         pos = os_strchr(cmd, ' ');
7279         if (pos) {
7280                 type_len = pos - cmd;
7281                 pos++;
7282
7283                 pos2 = os_strstr(pos, "freq=");
7284                 if (pos2)
7285                         freq = atoi(pos2 + 5);
7286
7287                 pos2 = os_strstr(pos, "timeout=");
7288                 if (pos2)
7289                         ework->timeout = atoi(pos2 + 8);
7290         } else {
7291                 type_len = os_strlen(cmd);
7292         }
7293         if (4 + type_len >= sizeof(ework->type))
7294                 type_len = sizeof(ework->type) - 4 - 1;
7295         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
7296         os_memcpy(ework->type + 4, cmd, type_len);
7297         ework->type[4 + type_len] = '\0';
7298
7299         wpa_s->ext_work_id++;
7300         if (wpa_s->ext_work_id == 0)
7301                 wpa_s->ext_work_id++;
7302         ework->id = wpa_s->ext_work_id;
7303
7304         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
7305                            ework) < 0) {
7306                 os_free(ework);
7307                 return -1;
7308         }
7309
7310         ret = os_snprintf(buf, buflen, "%u", ework->id);
7311         if (os_snprintf_error(buflen, ret))
7312                 return -1;
7313         return ret;
7314 }
7315
7316
7317 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
7318 {
7319         struct wpa_radio_work *work;
7320         unsigned int id = atoi(cmd);
7321
7322         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
7323         {
7324                 struct wpa_external_work *ework;
7325
7326                 if (os_strncmp(work->type, "ext:", 4) != 0)
7327                         continue;
7328                 ework = work->ctx;
7329                 if (id && ework->id != id)
7330                         continue;
7331                 wpa_dbg(wpa_s, MSG_DEBUG,
7332                         "Completed external radio work %u (%s)",
7333                         ework->id, ework->type);
7334                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
7335                 wpa_s->ext_work_in_progress = 0;
7336                 radio_work_done(work);
7337                 os_free(ework);
7338                 return 3; /* "OK\n" */
7339         }
7340
7341         return -1;
7342 }
7343
7344
7345 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
7346                                 char *buf, size_t buflen)
7347 {
7348         if (os_strcmp(cmd, "show") == 0)
7349                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
7350         if (os_strncmp(cmd, "add ", 4) == 0)
7351                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
7352         if (os_strncmp(cmd, "done ", 5) == 0)
7353                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
7354         return -1;
7355 }
7356
7357
7358 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
7359 {
7360         struct wpa_radio_work *work, *tmp;
7361
7362         if (!wpa_s || !wpa_s->radio)
7363                 return;
7364
7365         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
7366                               struct wpa_radio_work, list) {
7367                 struct wpa_external_work *ework;
7368
7369                 if (os_strncmp(work->type, "ext:", 4) != 0)
7370                         continue;
7371                 ework = work->ctx;
7372                 wpa_dbg(wpa_s, MSG_DEBUG,
7373                         "Flushing%s external radio work %u (%s)",
7374                         work->started ? " started" : "", ework->id,
7375                         ework->type);
7376                 if (work->started)
7377                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
7378                                              work, NULL);
7379                 radio_work_done(work);
7380                 os_free(ework);
7381         }
7382 }
7383
7384
7385 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
7386 {
7387         struct wpa_supplicant *wpa_s = eloop_ctx;
7388         eapol_sm_notify_ctrl_response(wpa_s->eapol);
7389 }
7390
7391
7392 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
7393                               unsigned int *scan_id_count, int scan_id[])
7394 {
7395         const char *pos = value;
7396
7397         while (pos) {
7398                 if (*pos == ' ' || *pos == '\0')
7399                         break;
7400                 if (*scan_id_count == MAX_SCAN_ID)
7401                         return -1;
7402                 scan_id[(*scan_id_count)++] = atoi(pos);
7403                 pos = os_strchr(pos, ',');
7404                 if (pos)
7405                         pos++;
7406         }
7407
7408         return 0;
7409 }
7410
7411
7412 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
7413                            char *reply, int reply_size, int *reply_len)
7414 {
7415         char *pos;
7416         unsigned int manual_scan_passive = 0;
7417         unsigned int manual_scan_use_id = 0;
7418         unsigned int manual_scan_only_new = 0;
7419         unsigned int scan_only = 0;
7420         unsigned int scan_id_count = 0;
7421         int scan_id[MAX_SCAN_ID];
7422         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
7423                                  struct wpa_scan_results *scan_res);
7424         int *manual_scan_freqs = NULL;
7425         struct wpa_ssid_value *ssid = NULL, *ns;
7426         unsigned int ssid_count = 0;
7427
7428         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
7429                 *reply_len = -1;
7430                 return;
7431         }
7432
7433         if (radio_work_pending(wpa_s, "scan")) {
7434                 wpa_printf(MSG_DEBUG,
7435                            "Pending scan scheduled - reject new request");
7436                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7437                 return;
7438         }
7439
7440 #ifdef CONFIG_INTERWORKING
7441         if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) {
7442                 wpa_printf(MSG_DEBUG,
7443                            "Interworking select in progress - reject new scan");
7444                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7445                 return;
7446         }
7447 #endif /* CONFIG_INTERWORKING */
7448
7449         if (params) {
7450                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
7451                         scan_only = 1;
7452
7453                 pos = os_strstr(params, "freq=");
7454                 if (pos) {
7455                         manual_scan_freqs = freq_range_to_channel_list(wpa_s,
7456                                                                        pos + 5);
7457                         if (manual_scan_freqs == NULL) {
7458                                 *reply_len = -1;
7459                                 goto done;
7460                         }
7461                 }
7462
7463                 pos = os_strstr(params, "passive=");
7464                 if (pos)
7465                         manual_scan_passive = !!atoi(pos + 8);
7466
7467                 pos = os_strstr(params, "use_id=");
7468                 if (pos)
7469                         manual_scan_use_id = atoi(pos + 7);
7470
7471                 pos = os_strstr(params, "only_new=1");
7472                 if (pos)
7473                         manual_scan_only_new = 1;
7474
7475                 pos = os_strstr(params, "scan_id=");
7476                 if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
7477                                               scan_id) < 0) {
7478                         *reply_len = -1;
7479                         goto done;
7480                 }
7481
7482                 pos = params;
7483                 while (pos && *pos != '\0') {
7484                         if (os_strncmp(pos, "ssid ", 5) == 0) {
7485                                 char *end;
7486
7487                                 pos += 5;
7488                                 end = pos;
7489                                 while (*end) {
7490                                         if (*end == '\0' || *end == ' ')
7491                                                 break;
7492                                         end++;
7493                                 }
7494
7495                                 ns = os_realloc_array(
7496                                         ssid, ssid_count + 1,
7497                                         sizeof(struct wpa_ssid_value));
7498                                 if (ns == NULL) {
7499                                         *reply_len = -1;
7500                                         goto done;
7501                                 }
7502                                 ssid = ns;
7503
7504                                 if ((end - pos) & 0x01 ||
7505                                     end - pos > 2 * SSID_MAX_LEN ||
7506                                     hexstr2bin(pos, ssid[ssid_count].ssid,
7507                                                (end - pos) / 2) < 0) {
7508                                         wpa_printf(MSG_DEBUG,
7509                                                    "Invalid SSID value '%s'",
7510                                                    pos);
7511                                         *reply_len = -1;
7512                                         goto done;
7513                                 }
7514                                 ssid[ssid_count].ssid_len = (end - pos) / 2;
7515                                 wpa_hexdump_ascii(MSG_DEBUG, "scan SSID",
7516                                                   ssid[ssid_count].ssid,
7517                                                   ssid[ssid_count].ssid_len);
7518                                 ssid_count++;
7519                                 pos = end;
7520                         }
7521
7522                         pos = os_strchr(pos, ' ');
7523                         if (pos)
7524                                 pos++;
7525                 }
7526         }
7527
7528         wpa_s->num_ssids_from_scan_req = ssid_count;
7529         os_free(wpa_s->ssids_from_scan_req);
7530         if (ssid_count) {
7531                 wpa_s->ssids_from_scan_req = ssid;
7532                 ssid = NULL;
7533         } else {
7534                 wpa_s->ssids_from_scan_req = NULL;
7535         }
7536
7537         if (scan_only)
7538                 scan_res_handler = scan_only_handler;
7539         else if (wpa_s->scan_res_handler == scan_only_handler)
7540                 scan_res_handler = NULL;
7541         else
7542                 scan_res_handler = wpa_s->scan_res_handler;
7543
7544         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
7545             ((wpa_s->wpa_state <= WPA_SCANNING) ||
7546              (wpa_s->wpa_state == WPA_COMPLETED))) {
7547                 wpa_s->manual_scan_passive = manual_scan_passive;
7548                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7549                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7550                 wpa_s->scan_id_count = scan_id_count;
7551                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7552                 wpa_s->scan_res_handler = scan_res_handler;
7553                 os_free(wpa_s->manual_scan_freqs);
7554                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7555                 manual_scan_freqs = NULL;
7556
7557                 wpa_s->normal_scans = 0;
7558                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7559                 wpa_s->after_wps = 0;
7560                 wpa_s->known_wps_freq = 0;
7561                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7562                 if (wpa_s->manual_scan_use_id) {
7563                         wpa_s->manual_scan_id++;
7564                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7565                                 wpa_s->manual_scan_id);
7566                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7567                                                  wpa_s->manual_scan_id);
7568                 }
7569         } else if (wpa_s->sched_scanning) {
7570                 wpa_s->manual_scan_passive = manual_scan_passive;
7571                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7572                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7573                 wpa_s->scan_id_count = scan_id_count;
7574                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7575                 wpa_s->scan_res_handler = scan_res_handler;
7576                 os_free(wpa_s->manual_scan_freqs);
7577                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7578                 manual_scan_freqs = NULL;
7579
7580                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
7581                 wpa_supplicant_cancel_sched_scan(wpa_s);
7582                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7583                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7584                 if (wpa_s->manual_scan_use_id) {
7585                         wpa_s->manual_scan_id++;
7586                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7587                                                  wpa_s->manual_scan_id);
7588                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7589                                 wpa_s->manual_scan_id);
7590                 }
7591         } else {
7592                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
7593                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7594         }
7595
7596 done:
7597         os_free(manual_scan_freqs);
7598         os_free(ssid);
7599 }
7600
7601
7602 #ifdef CONFIG_TESTING_OPTIONS
7603
7604 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
7605                                        unsigned int freq, const u8 *dst,
7606                                        const u8 *src, const u8 *bssid,
7607                                        const u8 *data, size_t data_len,
7608                                        enum offchannel_send_action_result
7609                                        result)
7610 {
7611         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
7612                 " src=" MACSTR " bssid=" MACSTR " result=%s",
7613                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
7614                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
7615                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
7616                              "NO_ACK" : "FAILED"));
7617 }
7618
7619
7620 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
7621 {
7622         char *pos, *param;
7623         size_t len;
7624         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
7625         int res, used;
7626         int freq = 0, no_cck = 0, wait_time = 0;
7627
7628         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
7629          *    <action=Action frame payload> */
7630
7631         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
7632
7633         pos = cmd;
7634         used = hwaddr_aton2(pos, da);
7635         if (used < 0)
7636                 return -1;
7637         pos += used;
7638         while (*pos == ' ')
7639                 pos++;
7640         used = hwaddr_aton2(pos, bssid);
7641         if (used < 0)
7642                 return -1;
7643         pos += used;
7644
7645         param = os_strstr(pos, " freq=");
7646         if (param) {
7647                 param += 6;
7648                 freq = atoi(param);
7649         }
7650
7651         param = os_strstr(pos, " no_cck=");
7652         if (param) {
7653                 param += 8;
7654                 no_cck = atoi(param);
7655         }
7656
7657         param = os_strstr(pos, " wait_time=");
7658         if (param) {
7659                 param += 11;
7660                 wait_time = atoi(param);
7661         }
7662
7663         param = os_strstr(pos, " action=");
7664         if (param == NULL)
7665                 return -1;
7666         param += 8;
7667
7668         len = os_strlen(param);
7669         if (len & 1)
7670                 return -1;
7671         len /= 2;
7672
7673         buf = os_malloc(len);
7674         if (buf == NULL)
7675                 return -1;
7676
7677         if (hexstr2bin(param, buf, len) < 0) {
7678                 os_free(buf);
7679                 return -1;
7680         }
7681
7682         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
7683                                      buf, len, wait_time,
7684                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
7685         os_free(buf);
7686         return res;
7687 }
7688
7689
7690 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
7691 {
7692         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
7693         offchannel_send_action_done(wpa_s);
7694 }
7695
7696
7697 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
7698 {
7699         char *pos, *param;
7700         union wpa_event_data event;
7701         enum wpa_event_type ev;
7702
7703         /* <event name> [parameters..] */
7704
7705         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
7706
7707         pos = cmd;
7708         param = os_strchr(pos, ' ');
7709         if (param)
7710                 *param++ = '\0';
7711
7712         os_memset(&event, 0, sizeof(event));
7713
7714         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
7715                 ev = EVENT_INTERFACE_ENABLED;
7716         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
7717                 ev = EVENT_INTERFACE_DISABLED;
7718         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
7719                 ev = EVENT_AVOID_FREQUENCIES;
7720                 if (param == NULL)
7721                         param = "";
7722                 if (freq_range_list_parse(&event.freq_range, param) < 0)
7723                         return -1;
7724                 wpa_supplicant_event(wpa_s, ev, &event);
7725                 os_free(event.freq_range.range);
7726                 return 0;
7727         } else {
7728                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
7729                         cmd);
7730                 return -1;
7731         }
7732
7733         wpa_supplicant_event(wpa_s, ev, &event);
7734
7735         return 0;
7736 }
7737
7738
7739 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
7740 {
7741         char *pos;
7742         u8 src[ETH_ALEN], *buf;
7743         int used;
7744         size_t len;
7745
7746         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
7747
7748         pos = cmd;
7749         used = hwaddr_aton2(pos, src);
7750         if (used < 0)
7751                 return -1;
7752         pos += used;
7753         while (*pos == ' ')
7754                 pos++;
7755
7756         len = os_strlen(pos);
7757         if (len & 1)
7758                 return -1;
7759         len /= 2;
7760
7761         buf = os_malloc(len);
7762         if (buf == NULL)
7763                 return -1;
7764
7765         if (hexstr2bin(pos, buf, len) < 0) {
7766                 os_free(buf);
7767                 return -1;
7768         }
7769
7770         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
7771         os_free(buf);
7772
7773         return 0;
7774 }
7775
7776
7777 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
7778 {
7779         size_t i;
7780         u32 sum = 0;
7781         const u16 *pos = buf;
7782
7783         for (i = 0; i < len / 2; i++)
7784                 sum += *pos++;
7785
7786         while (sum >> 16)
7787                 sum = (sum & 0xffff) + (sum >> 16);
7788
7789         return sum ^ 0xffff;
7790 }
7791
7792
7793 #define HWSIM_PACKETLEN 1500
7794 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
7795
7796 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
7797 {
7798         struct wpa_supplicant *wpa_s = ctx;
7799         const struct ether_header *eth;
7800         struct iphdr ip;
7801         const u8 *pos;
7802         unsigned int i;
7803
7804         if (len != HWSIM_PACKETLEN)
7805                 return;
7806
7807         eth = (const struct ether_header *) buf;
7808         os_memcpy(&ip, eth + 1, sizeof(ip));
7809         pos = &buf[sizeof(*eth) + sizeof(ip)];
7810
7811         if (ip.ihl != 5 || ip.version != 4 ||
7812             ntohs(ip.tot_len) != HWSIM_IP_LEN)
7813                 return;
7814
7815         for (i = 0; i < HWSIM_IP_LEN - sizeof(ip); i++) {
7816                 if (*pos != (u8) i)
7817                         return;
7818                 pos++;
7819         }
7820
7821         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
7822                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
7823 }
7824
7825
7826 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
7827                                             char *cmd)
7828 {
7829         int enabled = atoi(cmd);
7830         char *pos;
7831         const char *ifname;
7832
7833         if (!enabled) {
7834                 if (wpa_s->l2_test) {
7835                         l2_packet_deinit(wpa_s->l2_test);
7836                         wpa_s->l2_test = NULL;
7837                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
7838                 }
7839                 return 0;
7840         }
7841
7842         if (wpa_s->l2_test)
7843                 return 0;
7844
7845         pos = os_strstr(cmd, " ifname=");
7846         if (pos)
7847                 ifname = pos + 8;
7848         else
7849                 ifname = wpa_s->ifname;
7850
7851         wpa_s->l2_test = l2_packet_init(ifname, wpa_s->own_addr,
7852                                         ETHERTYPE_IP, wpas_data_test_rx,
7853                                         wpa_s, 1);
7854         if (wpa_s->l2_test == NULL)
7855                 return -1;
7856
7857         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
7858
7859         return 0;
7860 }
7861
7862
7863 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
7864 {
7865         u8 dst[ETH_ALEN], src[ETH_ALEN];
7866         char *pos;
7867         int used;
7868         long int val;
7869         u8 tos;
7870         u8 buf[2 + HWSIM_PACKETLEN];
7871         struct ether_header *eth;
7872         struct iphdr *ip;
7873         u8 *dpos;
7874         unsigned int i;
7875
7876         if (wpa_s->l2_test == NULL)
7877                 return -1;
7878
7879         /* format: <dst> <src> <tos> */
7880
7881         pos = cmd;
7882         used = hwaddr_aton2(pos, dst);
7883         if (used < 0)
7884                 return -1;
7885         pos += used;
7886         while (*pos == ' ')
7887                 pos++;
7888         used = hwaddr_aton2(pos, src);
7889         if (used < 0)
7890                 return -1;
7891         pos += used;
7892
7893         val = strtol(pos, NULL, 0);
7894         if (val < 0 || val > 0xff)
7895                 return -1;
7896         tos = val;
7897
7898         eth = (struct ether_header *) &buf[2];
7899         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
7900         os_memcpy(eth->ether_shost, src, ETH_ALEN);
7901         eth->ether_type = htons(ETHERTYPE_IP);
7902         ip = (struct iphdr *) (eth + 1);
7903         os_memset(ip, 0, sizeof(*ip));
7904         ip->ihl = 5;
7905         ip->version = 4;
7906         ip->ttl = 64;
7907         ip->tos = tos;
7908         ip->tot_len = htons(HWSIM_IP_LEN);
7909         ip->protocol = 1;
7910         ip->saddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 1);
7911         ip->daddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 2);
7912         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
7913         dpos = (u8 *) (ip + 1);
7914         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
7915                 *dpos++ = i;
7916
7917         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, &buf[2],
7918                            HWSIM_PACKETLEN) < 0)
7919                 return -1;
7920
7921         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
7922                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
7923
7924         return 0;
7925 }
7926
7927
7928 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
7929                                            char *cmd)
7930 {
7931         u8 *buf;
7932         struct ether_header *eth;
7933         struct l2_packet_data *l2 = NULL;
7934         size_t len;
7935         u16 ethertype;
7936         int res = -1;
7937
7938         len = os_strlen(cmd);
7939         if (len & 1 || len < ETH_HLEN * 2)
7940                 return -1;
7941         len /= 2;
7942
7943         buf = os_malloc(len);
7944         if (buf == NULL)
7945                 return -1;
7946
7947         if (hexstr2bin(cmd, buf, len) < 0)
7948                 goto done;
7949
7950         eth = (struct ether_header *) buf;
7951         ethertype = ntohs(eth->ether_type);
7952
7953         l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
7954                             wpas_data_test_rx, wpa_s, 1);
7955         if (l2 == NULL)
7956                 goto done;
7957
7958         res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
7959         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
7960 done:
7961         if (l2)
7962                 l2_packet_deinit(l2);
7963         os_free(buf);
7964
7965         return res < 0 ? -1 : 0;
7966 }
7967
7968
7969 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
7970 {
7971 #ifdef WPA_TRACE_BFD
7972         extern char wpa_trace_fail_func[256];
7973         extern unsigned int wpa_trace_fail_after;
7974         char *pos;
7975
7976         wpa_trace_fail_after = atoi(cmd);
7977         pos = os_strchr(cmd, ':');
7978         if (pos) {
7979                 pos++;
7980                 os_strlcpy(wpa_trace_fail_func, pos,
7981                            sizeof(wpa_trace_fail_func));
7982         } else {
7983                 wpa_trace_fail_after = 0;
7984         }
7985         return 0;
7986 #else /* WPA_TRACE_BFD */
7987         return -1;
7988 #endif /* WPA_TRACE_BFD */
7989 }
7990
7991
7992 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
7993                                     char *buf, size_t buflen)
7994 {
7995 #ifdef WPA_TRACE_BFD
7996         extern char wpa_trace_fail_func[256];
7997         extern unsigned int wpa_trace_fail_after;
7998
7999         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
8000                            wpa_trace_fail_func);
8001 #else /* WPA_TRACE_BFD */
8002         return -1;
8003 #endif /* WPA_TRACE_BFD */
8004 }
8005
8006
8007 static int wpas_ctrl_test_fail(struct wpa_supplicant *wpa_s, char *cmd)
8008 {
8009 #ifdef WPA_TRACE_BFD
8010         extern char wpa_trace_test_fail_func[256];
8011         extern unsigned int wpa_trace_test_fail_after;
8012         char *pos;
8013
8014         wpa_trace_test_fail_after = atoi(cmd);
8015         pos = os_strchr(cmd, ':');
8016         if (pos) {
8017                 pos++;
8018                 os_strlcpy(wpa_trace_test_fail_func, pos,
8019                            sizeof(wpa_trace_test_fail_func));
8020         } else {
8021                 wpa_trace_test_fail_after = 0;
8022         }
8023         return 0;
8024 #else /* WPA_TRACE_BFD */
8025         return -1;
8026 #endif /* WPA_TRACE_BFD */
8027 }
8028
8029
8030 static int wpas_ctrl_get_fail(struct wpa_supplicant *wpa_s,
8031                                     char *buf, size_t buflen)
8032 {
8033 #ifdef WPA_TRACE_BFD
8034         extern char wpa_trace_test_fail_func[256];
8035         extern unsigned int wpa_trace_test_fail_after;
8036
8037         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_test_fail_after,
8038                            wpa_trace_test_fail_func);
8039 #else /* WPA_TRACE_BFD */
8040         return -1;
8041 #endif /* WPA_TRACE_BFD */
8042 }
8043
8044
8045 static void wpas_ctrl_event_test_cb(void *eloop_ctx, void *timeout_ctx)
8046 {
8047         struct wpa_supplicant *wpa_s = eloop_ctx;
8048         int i, count = (intptr_t) timeout_ctx;
8049
8050         wpa_printf(MSG_DEBUG, "TEST: Send %d control interface event messages",
8051                    count);
8052         for (i = 0; i < count; i++) {
8053                 wpa_msg_ctrl(wpa_s, MSG_INFO, "TEST-EVENT-MESSAGE %d/%d",
8054                              i + 1, count);
8055         }
8056 }
8057
8058
8059 static int wpas_ctrl_event_test(struct wpa_supplicant *wpa_s, const char *cmd)
8060 {
8061         int count;
8062
8063         count = atoi(cmd);
8064         if (count <= 0)
8065                 return -1;
8066
8067         return eloop_register_timeout(0, 0, wpas_ctrl_event_test_cb, wpa_s,
8068                                       (void *) (intptr_t) count);
8069 }
8070
8071
8072 static int wpas_ctrl_test_assoc_ie(struct wpa_supplicant *wpa_s,
8073                                    const char *cmd)
8074 {
8075         struct wpabuf *buf;
8076         size_t len;
8077
8078         len = os_strlen(cmd);
8079         if (len & 1)
8080                 return -1;
8081         len /= 2;
8082
8083         if (len == 0) {
8084                 buf = NULL;
8085         } else {
8086                 buf = wpabuf_alloc(len);
8087                 if (buf == NULL)
8088                         return -1;
8089
8090                 if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
8091                         wpabuf_free(buf);
8092                         return -1;
8093                 }
8094         }
8095
8096         wpa_sm_set_test_assoc_ie(wpa_s->wpa, buf);
8097         return 0;
8098 }
8099
8100 #endif /* CONFIG_TESTING_OPTIONS */
8101
8102
8103 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
8104 {
8105         char *pos = cmd;
8106         int frame;
8107         size_t len;
8108         struct wpabuf *buf;
8109         struct ieee802_11_elems elems;
8110
8111         frame = atoi(pos);
8112         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
8113                 return -1;
8114         wpa_s = wpas_vendor_elem(wpa_s, frame);
8115
8116         pos = os_strchr(pos, ' ');
8117         if (pos == NULL)
8118                 return -1;
8119         pos++;
8120
8121         len = os_strlen(pos);
8122         if (len == 0)
8123                 return 0;
8124         if (len & 1)
8125                 return -1;
8126         len /= 2;
8127
8128         buf = wpabuf_alloc(len);
8129         if (buf == NULL)
8130                 return -1;
8131
8132         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
8133                 wpabuf_free(buf);
8134                 return -1;
8135         }
8136
8137         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
8138             ParseFailed) {
8139                 wpabuf_free(buf);
8140                 return -1;
8141         }
8142
8143         if (wpa_s->vendor_elem[frame] == NULL) {
8144                 wpa_s->vendor_elem[frame] = buf;
8145                 wpas_vendor_elem_update(wpa_s);
8146                 return 0;
8147         }
8148
8149         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
8150                 wpabuf_free(buf);
8151                 return -1;
8152         }
8153
8154         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
8155         wpabuf_free(buf);
8156         wpas_vendor_elem_update(wpa_s);
8157
8158         return 0;
8159 }
8160
8161
8162 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
8163                                      char *buf, size_t buflen)
8164 {
8165         int frame = atoi(cmd);
8166
8167         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
8168                 return -1;
8169         wpa_s = wpas_vendor_elem(wpa_s, frame);
8170
8171         if (wpa_s->vendor_elem[frame] == NULL)
8172                 return 0;
8173
8174         return wpa_snprintf_hex(buf, buflen,
8175                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
8176                                 wpabuf_len(wpa_s->vendor_elem[frame]));
8177 }
8178
8179
8180 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
8181 {
8182         char *pos = cmd;
8183         int frame;
8184         size_t len;
8185         u8 *buf;
8186         struct ieee802_11_elems elems;
8187         int res;
8188
8189         frame = atoi(pos);
8190         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
8191                 return -1;
8192         wpa_s = wpas_vendor_elem(wpa_s, frame);
8193
8194         pos = os_strchr(pos, ' ');
8195         if (pos == NULL)
8196                 return -1;
8197         pos++;
8198
8199         if (*pos == '*') {
8200                 wpabuf_free(wpa_s->vendor_elem[frame]);
8201                 wpa_s->vendor_elem[frame] = NULL;
8202                 wpas_vendor_elem_update(wpa_s);
8203                 return 0;
8204         }
8205
8206         if (wpa_s->vendor_elem[frame] == NULL)
8207                 return -1;
8208
8209         len = os_strlen(pos);
8210         if (len == 0)
8211                 return 0;
8212         if (len & 1)
8213                 return -1;
8214         len /= 2;
8215
8216         buf = os_malloc(len);
8217         if (buf == NULL)
8218                 return -1;
8219
8220         if (hexstr2bin(pos, buf, len) < 0) {
8221                 os_free(buf);
8222                 return -1;
8223         }
8224
8225         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
8226                 os_free(buf);
8227                 return -1;
8228         }
8229
8230         res = wpas_vendor_elem_remove(wpa_s, frame, buf, len);
8231         os_free(buf);
8232         return res;
8233 }
8234
8235
8236 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
8237 {
8238         struct wpa_supplicant *wpa_s = ctx;
8239         size_t len;
8240         const u8 *data;
8241
8242         /*
8243          * Neighbor Report element (IEEE P802.11-REVmc/D5.0)
8244          * BSSID[6]
8245          * BSSID Information[4]
8246          * Operating Class[1]
8247          * Channel Number[1]
8248          * PHY Type[1]
8249          * Optional Subelements[variable]
8250          */
8251 #define NR_IE_MIN_LEN (ETH_ALEN + 4 + 1 + 1 + 1)
8252
8253         if (!neighbor_rep || wpabuf_len(neighbor_rep) == 0) {
8254                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
8255                 goto out;
8256         }
8257
8258         data = wpabuf_head_u8(neighbor_rep);
8259         len = wpabuf_len(neighbor_rep);
8260
8261         while (len >= 2 + NR_IE_MIN_LEN) {
8262                 const u8 *nr;
8263                 char lci[256 * 2 + 1];
8264                 char civic[256 * 2 + 1];
8265                 u8 nr_len = data[1];
8266                 const u8 *pos = data, *end;
8267
8268                 if (pos[0] != WLAN_EID_NEIGHBOR_REPORT ||
8269                     nr_len < NR_IE_MIN_LEN) {
8270                         wpa_printf(MSG_DEBUG,
8271                                    "CTRL: Invalid Neighbor Report element: id=%u len=%u",
8272                                    data[0], nr_len);
8273                         goto out;
8274                 }
8275
8276                 if (2U + nr_len > len) {
8277                         wpa_printf(MSG_DEBUG,
8278                                    "CTRL: Invalid Neighbor Report element: id=%u len=%zu nr_len=%u",
8279                                    data[0], len, nr_len);
8280                         goto out;
8281                 }
8282                 pos += 2;
8283                 end = pos + nr_len;
8284
8285                 nr = pos;
8286                 pos += NR_IE_MIN_LEN;
8287
8288                 lci[0] = '\0';
8289                 civic[0] = '\0';
8290                 while (end - pos > 2) {
8291                         u8 s_id, s_len;
8292
8293                         s_id = *pos++;
8294                         s_len = *pos++;
8295                         if (s_len > end - pos)
8296                                 goto out;
8297                         if (s_id == WLAN_EID_MEASURE_REPORT && s_len > 3) {
8298                                 /* Measurement Token[1] */
8299                                 /* Measurement Report Mode[1] */
8300                                 /* Measurement Type[1] */
8301                                 /* Measurement Report[variable] */
8302                                 switch (pos[2]) {
8303                                 case MEASURE_TYPE_LCI:
8304                                         if (lci[0])
8305                                                 break;
8306                                         wpa_snprintf_hex(lci, sizeof(lci),
8307                                                          pos, s_len);
8308                                         break;
8309                                 case MEASURE_TYPE_LOCATION_CIVIC:
8310                                         if (civic[0])
8311                                                 break;
8312                                         wpa_snprintf_hex(civic, sizeof(civic),
8313                                                          pos, s_len);
8314                                         break;
8315                                 }
8316                         }
8317
8318                         pos += s_len;
8319                 }
8320
8321                 wpa_msg(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
8322                         "bssid=" MACSTR
8323                         " info=0x%x op_class=%u chan=%u phy_type=%u%s%s%s%s",
8324                         MAC2STR(nr), WPA_GET_LE32(nr + ETH_ALEN),
8325                         nr[ETH_ALEN + 4], nr[ETH_ALEN + 5],
8326                         nr[ETH_ALEN + 6],
8327                         lci[0] ? " lci=" : "", lci,
8328                         civic[0] ? " civic=" : "", civic);
8329
8330                 data = end;
8331                 len -= 2 + nr_len;
8332         }
8333
8334 out:
8335         wpabuf_free(neighbor_rep);
8336 }
8337
8338
8339 static int wpas_ctrl_iface_send_neighbor_rep(struct wpa_supplicant *wpa_s,
8340                                              char *cmd)
8341 {
8342         struct wpa_ssid_value ssid, *ssid_p = NULL;
8343         int ret, lci = 0, civic = 0;
8344         char *ssid_s;
8345
8346         ssid_s = os_strstr(cmd, "ssid=");
8347         if (ssid_s) {
8348                 if (ssid_parse(ssid_s + 5, &ssid)) {
8349                         wpa_printf(MSG_ERROR,
8350                                    "CTRL: Send Neighbor Report: bad SSID");
8351                         return -1;
8352                 }
8353
8354                 ssid_p = &ssid;
8355
8356                 /*
8357                  * Move cmd after the SSID text that may include "lci" or
8358                  * "civic".
8359                  */
8360                 cmd = os_strchr(ssid_s + 6, ssid_s[5] == '"' ? '"' : ' ');
8361                 if (cmd)
8362                         cmd++;
8363
8364         }
8365
8366         if (cmd && os_strstr(cmd, "lci"))
8367                 lci = 1;
8368
8369         if (cmd && os_strstr(cmd, "civic"))
8370                 civic = 1;
8371
8372         ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p, lci, civic,
8373                                                  wpas_ctrl_neighbor_rep_cb,
8374                                                  wpa_s);
8375
8376         return ret;
8377 }
8378
8379
8380 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
8381 {
8382         eapol_sm_erp_flush(wpa_s->eapol);
8383         return 0;
8384 }
8385
8386
8387 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
8388                                          char *cmd)
8389 {
8390         char *token, *context = NULL;
8391         unsigned int enable = ~0, type = 0;
8392         u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
8393         u8 *addr = NULL, *mask = NULL;
8394
8395         while ((token = str_token(cmd, " ", &context))) {
8396                 if (os_strcasecmp(token, "scan") == 0) {
8397                         type |= MAC_ADDR_RAND_SCAN;
8398                 } else if (os_strcasecmp(token, "sched") == 0) {
8399                         type |= MAC_ADDR_RAND_SCHED_SCAN;
8400                 } else if (os_strcasecmp(token, "pno") == 0) {
8401                         type |= MAC_ADDR_RAND_PNO;
8402                 } else if (os_strcasecmp(token, "all") == 0) {
8403                         type = wpa_s->mac_addr_rand_supported;
8404                 } else if (os_strncasecmp(token, "enable=", 7) == 0) {
8405                         enable = atoi(token + 7);
8406                 } else if (os_strncasecmp(token, "addr=", 5) == 0) {
8407                         addr = _addr;
8408                         if (hwaddr_aton(token + 5, addr)) {
8409                                 wpa_printf(MSG_INFO,
8410                                            "CTRL: Invalid MAC address: %s",
8411                                            token);
8412                                 return -1;
8413                         }
8414                 } else if (os_strncasecmp(token, "mask=", 5) == 0) {
8415                         mask = _mask;
8416                         if (hwaddr_aton(token + 5, mask)) {
8417                                 wpa_printf(MSG_INFO,
8418                                            "CTRL: Invalid MAC address mask: %s",
8419                                            token);
8420                                 return -1;
8421                         }
8422                 } else {
8423                         wpa_printf(MSG_INFO,
8424                                    "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
8425                                    token);
8426                         return -1;
8427                 }
8428         }
8429
8430         if (!type) {
8431                 wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
8432                 return -1;
8433         }
8434
8435         if ((wpa_s->mac_addr_rand_supported & type) != type) {
8436                 wpa_printf(MSG_INFO,
8437                            "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
8438                            type, wpa_s->mac_addr_rand_supported);
8439                 return -1;
8440         }
8441
8442         if (enable > 1) {
8443                 wpa_printf(MSG_INFO,
8444                            "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
8445                 return -1;
8446         }
8447
8448         if (!enable) {
8449                 wpas_mac_addr_rand_scan_clear(wpa_s, type);
8450                 if (wpa_s->pno) {
8451                         if (type & MAC_ADDR_RAND_PNO) {
8452                                 wpas_stop_pno(wpa_s);
8453                                 wpas_start_pno(wpa_s);
8454                         }
8455                 } else if (wpa_s->sched_scanning &&
8456                            (type & MAC_ADDR_RAND_SCHED_SCAN)) {
8457                         /* simulate timeout to restart the sched scan */
8458                         wpa_s->sched_scan_timed_out = 1;
8459                         wpa_s->prev_sched_ssid = NULL;
8460                         wpa_supplicant_cancel_sched_scan(wpa_s);
8461                 }
8462                 return 0;
8463         }
8464
8465         if ((addr && !mask) || (!addr && mask)) {
8466                 wpa_printf(MSG_INFO,
8467                            "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
8468                 return -1;
8469         }
8470
8471         if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
8472                 wpa_printf(MSG_INFO,
8473                            "CTRL: MAC_RAND_SCAN cannot allow multicast address");
8474                 return -1;
8475         }
8476
8477         if (type & MAC_ADDR_RAND_SCAN) {
8478                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
8479                                             addr, mask);
8480         }
8481
8482         if (type & MAC_ADDR_RAND_SCHED_SCAN) {
8483                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
8484                                             addr, mask);
8485
8486                 if (wpa_s->sched_scanning && !wpa_s->pno) {
8487                         /* simulate timeout to restart the sched scan */
8488                         wpa_s->sched_scan_timed_out = 1;
8489                         wpa_s->prev_sched_ssid = NULL;
8490                         wpa_supplicant_cancel_sched_scan(wpa_s);
8491                 }
8492         }
8493
8494         if (type & MAC_ADDR_RAND_PNO) {
8495                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
8496                                             addr, mask);
8497                 if (wpa_s->pno) {
8498                         wpas_stop_pno(wpa_s);
8499                         wpas_start_pno(wpa_s);
8500                 }
8501         }
8502
8503         return 0;
8504 }
8505
8506
8507 static int wpas_ctrl_iface_pmksa(struct wpa_supplicant *wpa_s,
8508                                  char *buf, size_t buflen)
8509 {
8510         size_t reply_len;
8511
8512         reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, buf, buflen);
8513 #ifdef CONFIG_AP
8514         reply_len += wpas_ap_pmksa_cache_list(wpa_s, &buf[reply_len],
8515                                               buflen - reply_len);
8516 #endif /* CONFIG_AP */
8517         return reply_len;
8518 }
8519
8520
8521 static void wpas_ctrl_iface_pmksa_flush(struct wpa_supplicant *wpa_s)
8522 {
8523         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
8524 #ifdef CONFIG_AP
8525         wpas_ap_pmksa_cache_flush(wpa_s);
8526 #endif /* CONFIG_AP */
8527 }
8528
8529
8530 static int wpas_ctrl_cmd_debug_level(const char *cmd)
8531 {
8532         if (os_strcmp(cmd, "PING") == 0 ||
8533             os_strncmp(cmd, "BSS ", 4) == 0 ||
8534             os_strncmp(cmd, "GET_NETWORK ", 12) == 0 ||
8535             os_strncmp(cmd, "STATUS", 6) == 0 ||
8536             os_strncmp(cmd, "STA ", 4) == 0 ||
8537             os_strncmp(cmd, "STA-", 4) == 0)
8538                 return MSG_EXCESSIVE;
8539         return MSG_DEBUG;
8540 }
8541
8542
8543 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
8544                                          char *buf, size_t *resp_len)
8545 {
8546         char *reply;
8547         const int reply_size = 4096;
8548         int reply_len;
8549
8550         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
8551             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8552                 if (wpa_debug_show_keys)
8553                         wpa_dbg(wpa_s, MSG_DEBUG,
8554                                 "Control interface command '%s'", buf);
8555                 else
8556                         wpa_dbg(wpa_s, MSG_DEBUG,
8557                                 "Control interface command '%s [REMOVED]'",
8558                                 os_strncmp(buf, WPA_CTRL_RSP,
8559                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
8560                                 WPA_CTRL_RSP : "SET_NETWORK");
8561         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
8562                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
8563                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
8564                                       (const u8 *) buf, os_strlen(buf));
8565         } else {
8566                 int level = wpas_ctrl_cmd_debug_level(buf);
8567                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
8568         }
8569
8570         reply = os_malloc(reply_size);
8571         if (reply == NULL) {
8572                 *resp_len = 1;
8573                 return NULL;
8574         }
8575
8576         os_memcpy(reply, "OK\n", 3);
8577         reply_len = 3;
8578
8579         if (os_strcmp(buf, "PING") == 0) {
8580                 os_memcpy(reply, "PONG\n", 5);
8581                 reply_len = 5;
8582         } else if (os_strcmp(buf, "IFNAME") == 0) {
8583                 reply_len = os_strlen(wpa_s->ifname);
8584                 os_memcpy(reply, wpa_s->ifname, reply_len);
8585         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
8586                 if (wpa_debug_reopen_file() < 0)
8587                         reply_len = -1;
8588         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
8589                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
8590         } else if (os_strcmp(buf, "MIB") == 0) {
8591                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
8592                 if (reply_len >= 0) {
8593                         reply_len += eapol_sm_get_mib(wpa_s->eapol,
8594                                                       reply + reply_len,
8595                                                       reply_size - reply_len);
8596                 }
8597         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
8598                 reply_len = wpa_supplicant_ctrl_iface_status(
8599                         wpa_s, buf + 6, reply, reply_size);
8600         } else if (os_strcmp(buf, "PMKSA") == 0) {
8601                 reply_len = wpas_ctrl_iface_pmksa(wpa_s, reply, reply_size);
8602         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
8603                 wpas_ctrl_iface_pmksa_flush(wpa_s);
8604         } else if (os_strncmp(buf, "SET ", 4) == 0) {
8605                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
8606                         reply_len = -1;
8607         } else if (os_strncmp(buf, "DUMP", 4) == 0) {
8608                 reply_len = wpa_config_dump_values(wpa_s->conf,
8609                                                    reply, reply_size);
8610         } else if (os_strncmp(buf, "GET ", 4) == 0) {
8611                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
8612                                                           reply, reply_size);
8613         } else if (os_strcmp(buf, "LOGON") == 0) {
8614                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
8615         } else if (os_strcmp(buf, "LOGOFF") == 0) {
8616                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
8617         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
8618                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8619                         reply_len = -1;
8620                 else
8621                         wpas_request_connection(wpa_s);
8622         } else if (os_strcmp(buf, "REATTACH") == 0) {
8623                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
8624                     !wpa_s->current_ssid)
8625                         reply_len = -1;
8626                 else {
8627                         wpa_s->reattach = 1;
8628                         wpas_request_connection(wpa_s);
8629                 }
8630         } else if (os_strcmp(buf, "RECONNECT") == 0) {
8631                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8632                         reply_len = -1;
8633                 else if (wpa_s->disconnected)
8634                         wpas_request_connection(wpa_s);
8635 #ifdef IEEE8021X_EAPOL
8636         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
8637                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
8638                         reply_len = -1;
8639 #endif /* IEEE8021X_EAPOL */
8640 #ifdef CONFIG_PEERKEY
8641         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
8642                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
8643                         reply_len = -1;
8644 #endif /* CONFIG_PEERKEY */
8645 #ifdef CONFIG_IEEE80211R
8646         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
8647                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
8648                         reply_len = -1;
8649 #endif /* CONFIG_IEEE80211R */
8650 #ifdef CONFIG_WPS
8651         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
8652                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
8653                 if (res == -2) {
8654                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8655                         reply_len = 17;
8656                 } else if (res)
8657                         reply_len = -1;
8658         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
8659                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
8660                 if (res == -2) {
8661                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8662                         reply_len = 17;
8663                 } else if (res)
8664                         reply_len = -1;
8665         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
8666                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
8667                                                               reply,
8668                                                               reply_size);
8669         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
8670                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
8671                         wpa_s, buf + 14, reply, reply_size);
8672         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
8673                 if (wpas_wps_cancel(wpa_s))
8674                         reply_len = -1;
8675 #ifdef CONFIG_WPS_NFC
8676         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
8677                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
8678                         reply_len = -1;
8679         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
8680                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
8681                         reply_len = -1;
8682         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
8683                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
8684                         wpa_s, buf + 21, reply, reply_size);
8685         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
8686                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
8687                         wpa_s, buf + 14, reply, reply_size);
8688         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
8689                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
8690                                                                buf + 17))
8691                         reply_len = -1;
8692         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
8693                 reply_len = wpas_ctrl_nfc_get_handover_req(
8694                         wpa_s, buf + 21, reply, reply_size);
8695         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
8696                 reply_len = wpas_ctrl_nfc_get_handover_sel(
8697                         wpa_s, buf + 21, reply, reply_size);
8698         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
8699                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
8700                         reply_len = -1;
8701 #endif /* CONFIG_WPS_NFC */
8702         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
8703                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
8704                         reply_len = -1;
8705 #ifdef CONFIG_AP
8706         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
8707                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
8708                         wpa_s, buf + 11, reply, reply_size);
8709 #endif /* CONFIG_AP */
8710 #ifdef CONFIG_WPS_ER
8711         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
8712                 if (wpas_wps_er_start(wpa_s, NULL))
8713                         reply_len = -1;
8714         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
8715                 if (wpas_wps_er_start(wpa_s, buf + 13))
8716                         reply_len = -1;
8717         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
8718                 wpas_wps_er_stop(wpa_s);
8719         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
8720                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
8721                         reply_len = -1;
8722         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
8723                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
8724                 if (ret == -2) {
8725                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8726                         reply_len = 17;
8727                 } else if (ret == -3) {
8728                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
8729                         reply_len = 18;
8730                 } else if (ret == -4) {
8731                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
8732                         reply_len = 20;
8733                 } else if (ret)
8734                         reply_len = -1;
8735         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
8736                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
8737                         reply_len = -1;
8738         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
8739                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
8740                                                                 buf + 18))
8741                         reply_len = -1;
8742         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
8743                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
8744                         reply_len = -1;
8745 #ifdef CONFIG_WPS_NFC
8746         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
8747                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
8748                         wpa_s, buf + 24, reply, reply_size);
8749 #endif /* CONFIG_WPS_NFC */
8750 #endif /* CONFIG_WPS_ER */
8751 #endif /* CONFIG_WPS */
8752 #ifdef CONFIG_IBSS_RSN
8753         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
8754                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
8755                         reply_len = -1;
8756 #endif /* CONFIG_IBSS_RSN */
8757 #ifdef CONFIG_MESH
8758         } else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
8759                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8760                         wpa_s, buf + 19, reply, reply_size);
8761         } else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
8762                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8763                         wpa_s, "", reply, reply_size);
8764         } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
8765                 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
8766                         reply_len = -1;
8767         } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
8768                 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
8769                                                                 buf + 18))
8770                         reply_len = -1;
8771         } else if (os_strncmp(buf, "MESH_PEER_REMOVE ", 17) == 0) {
8772                 if (wpa_supplicant_ctrl_iface_mesh_peer_remove(wpa_s, buf + 17))
8773                         reply_len = -1;
8774         } else if (os_strncmp(buf, "MESH_PEER_ADD ", 14) == 0) {
8775                 if (wpa_supplicant_ctrl_iface_mesh_peer_add(wpa_s, buf + 14))
8776                         reply_len = -1;
8777 #endif /* CONFIG_MESH */
8778 #ifdef CONFIG_P2P
8779         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
8780                 if (p2p_ctrl_find(wpa_s, buf + 8))
8781                         reply_len = -1;
8782         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
8783                 if (p2p_ctrl_find(wpa_s, ""))
8784                         reply_len = -1;
8785         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
8786                 wpas_p2p_stop_find(wpa_s);
8787         } else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
8788                 if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
8789                         reply_len = -1;
8790         } else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
8791                 if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
8792                         reply_len = -1;
8793         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
8794                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
8795                                              reply_size);
8796         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
8797                 if (p2p_ctrl_listen(wpa_s, buf + 11))
8798                         reply_len = -1;
8799         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
8800                 if (p2p_ctrl_listen(wpa_s, ""))
8801                         reply_len = -1;
8802         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
8803                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
8804                         reply_len = -1;
8805         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
8806                 if (p2p_ctrl_group_add(wpa_s, ""))
8807                         reply_len = -1;
8808         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
8809                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
8810                         reply_len = -1;
8811         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
8812                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
8813                         reply_len = -1;
8814         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
8815                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
8816         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
8817                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
8818                                                    reply_size);
8819         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
8820                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
8821                         reply_len = -1;
8822         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
8823                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
8824                         reply_len = -1;
8825         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
8826                 wpas_p2p_sd_service_update(wpa_s);
8827         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
8828                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
8829                         reply_len = -1;
8830         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
8831                 wpas_p2p_service_flush(wpa_s);
8832         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
8833                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
8834                         reply_len = -1;
8835         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
8836                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
8837                         reply_len = -1;
8838         } else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
8839                 if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
8840                         reply_len = -1;
8841         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
8842                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
8843                         reply_len = -1;
8844         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
8845                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
8846                         reply_len = -1;
8847         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
8848                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
8849                                               reply_size);
8850         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
8851                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
8852                         reply_len = -1;
8853         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
8854                 p2p_ctrl_flush(wpa_s);
8855         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
8856                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
8857                         reply_len = -1;
8858         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
8859                 if (wpas_p2p_cancel(wpa_s))
8860                         reply_len = -1;
8861         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
8862                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
8863                         reply_len = -1;
8864         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
8865                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
8866                         reply_len = -1;
8867         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
8868                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
8869                         reply_len = -1;
8870         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
8871                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
8872                         reply_len = -1;
8873         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
8874                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
8875                         reply_len = -1;
8876 #endif /* CONFIG_P2P */
8877 #ifdef CONFIG_WIFI_DISPLAY
8878         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
8879                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
8880                         reply_len = -1;
8881         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
8882                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
8883                                                      reply, reply_size);
8884 #endif /* CONFIG_WIFI_DISPLAY */
8885 #ifdef CONFIG_INTERWORKING
8886         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
8887                 if (interworking_fetch_anqp(wpa_s) < 0)
8888                         reply_len = -1;
8889         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
8890                 interworking_stop_fetch_anqp(wpa_s);
8891         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
8892                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
8893                         reply_len = -1;
8894         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
8895                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
8896                         reply_len = -1;
8897         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
8898                 if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
8899                         reply_len = -1;
8900         } else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
8901                 int id;
8902
8903                 id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
8904                 if (id < 0)
8905                         reply_len = -1;
8906                 else {
8907                         reply_len = os_snprintf(reply, reply_size, "%d\n", id);
8908                         if (os_snprintf_error(reply_size, reply_len))
8909                                 reply_len = -1;
8910                 }
8911         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
8912                 if (get_anqp(wpa_s, buf + 9) < 0)
8913                         reply_len = -1;
8914         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
8915                 if (gas_request(wpa_s, buf + 12) < 0)
8916                         reply_len = -1;
8917         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
8918                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
8919                                              reply_size);
8920 #endif /* CONFIG_INTERWORKING */
8921 #ifdef CONFIG_HS20
8922         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
8923                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
8924                         reply_len = -1;
8925         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
8926                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
8927                         reply_len = -1;
8928         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
8929                 if (hs20_icon_request(wpa_s, buf + 18, 0) < 0)
8930                         reply_len = -1;
8931         } else if (os_strncmp(buf, "REQ_HS20_ICON ", 14) == 0) {
8932                 if (hs20_icon_request(wpa_s, buf + 14, 1) < 0)
8933                         reply_len = -1;
8934         } else if (os_strncmp(buf, "GET_HS20_ICON ", 14) == 0) {
8935                 reply_len = get_hs20_icon(wpa_s, buf + 14, reply, reply_size);
8936         } else if (os_strncmp(buf, "DEL_HS20_ICON ", 14) == 0) {
8937                 if (del_hs20_icon(wpa_s, buf + 14) < 0)
8938                         reply_len = -1;
8939         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
8940                 if (hs20_fetch_osu(wpa_s) < 0)
8941                         reply_len = -1;
8942         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
8943                 hs20_cancel_fetch_osu(wpa_s);
8944 #endif /* CONFIG_HS20 */
8945         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
8946         {
8947                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
8948                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
8949                         reply_len = -1;
8950                 else {
8951                         /*
8952                          * Notify response from timeout to allow the control
8953                          * interface response to be sent first.
8954                          */
8955                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
8956                                                wpa_s, NULL);
8957                 }
8958         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
8959                 if (wpa_supplicant_reload_configuration(wpa_s))
8960                         reply_len = -1;
8961         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8962                 wpa_supplicant_terminate_proc(wpa_s->global);
8963         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
8964                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
8965                         reply_len = -1;
8966         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
8967                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
8968                         wpa_s, buf + 9, reply, reply_size);
8969         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
8970                 reply_len = wpa_supplicant_ctrl_iface_log_level(
8971                         wpa_s, buf + 9, reply, reply_size);
8972         } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
8973                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8974                         wpa_s, buf + 14, reply, reply_size);
8975         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
8976                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8977                         wpa_s, NULL, reply, reply_size);
8978         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
8979 #ifdef CONFIG_SME
8980                 wpa_s->sme.prev_bssid_set = 0;
8981 #endif /* CONFIG_SME */
8982                 wpa_s->reassociate = 0;
8983                 wpa_s->disconnected = 1;
8984                 wpa_supplicant_cancel_sched_scan(wpa_s);
8985                 wpa_supplicant_cancel_scan(wpa_s);
8986                 wpa_supplicant_deauthenticate(wpa_s,
8987                                               WLAN_REASON_DEAUTH_LEAVING);
8988                 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
8989         } else if (os_strcmp(buf, "SCAN") == 0) {
8990                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
8991         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
8992                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
8993         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
8994                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
8995                         wpa_s, reply, reply_size);
8996         } else if (os_strcmp(buf, "ABORT_SCAN") == 0) {
8997                 if (wpas_abort_ongoing_scan(wpa_s) < 0)
8998                         reply_len = -1;
8999         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
9000                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
9001                         reply_len = -1;
9002         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
9003                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
9004                         reply_len = -1;
9005         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
9006                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
9007                         reply_len = -1;
9008         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
9009                 reply_len = wpa_supplicant_ctrl_iface_add_network(
9010                         wpa_s, reply, reply_size);
9011         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
9012                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
9013                         reply_len = -1;
9014         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
9015                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
9016                         reply_len = -1;
9017         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
9018                 reply_len = wpa_supplicant_ctrl_iface_get_network(
9019                         wpa_s, buf + 12, reply, reply_size);
9020         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
9021                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12,
9022                                                           wpa_s))
9023                         reply_len = -1;
9024         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
9025                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
9026                         wpa_s, reply, reply_size);
9027         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
9028                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
9029                         wpa_s, reply, reply_size);
9030         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
9031                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
9032                         reply_len = -1;
9033         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
9034                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
9035                         reply_len = -1;
9036         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
9037                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
9038                                                                reply,
9039                                                                reply_size);
9040 #ifndef CONFIG_NO_CONFIG_WRITE
9041         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
9042                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
9043                         reply_len = -1;
9044 #endif /* CONFIG_NO_CONFIG_WRITE */
9045         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
9046                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
9047                         wpa_s, buf + 15, reply, reply_size);
9048         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
9049                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
9050                         reply_len = -1;
9051         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
9052                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
9053                         reply_len = -1;
9054         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
9055                 reply_len = wpa_supplicant_global_iface_list(
9056                         wpa_s->global, reply, reply_size);
9057         } else if (os_strncmp(buf, "INTERFACES", 10) == 0) {
9058                 reply_len = wpa_supplicant_global_iface_interfaces(
9059                         wpa_s->global, buf + 10, reply, reply_size);
9060         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
9061                 reply_len = wpa_supplicant_ctrl_iface_bss(
9062                         wpa_s, buf + 4, reply, reply_size);
9063 #ifdef CONFIG_AP
9064         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
9065                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
9066         } else if (os_strncmp(buf, "STA ", 4) == 0) {
9067                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
9068                                               reply_size);
9069         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
9070                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
9071                                                    reply_size);
9072         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
9073                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
9074                         reply_len = -1;
9075         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
9076                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
9077                         reply_len = -1;
9078         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
9079                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
9080                         reply_len = -1;
9081         } else if (os_strcmp(buf, "STOP_AP") == 0) {
9082                 if (wpas_ap_stop_ap(wpa_s))
9083                         reply_len = -1;
9084 #endif /* CONFIG_AP */
9085         } else if (os_strcmp(buf, "SUSPEND") == 0) {
9086                 wpas_notify_suspend(wpa_s->global);
9087         } else if (os_strcmp(buf, "RESUME") == 0) {
9088                 wpas_notify_resume(wpa_s->global);
9089 #ifdef CONFIG_TESTING_OPTIONS
9090         } else if (os_strcmp(buf, "DROP_SA") == 0) {
9091                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
9092 #endif /* CONFIG_TESTING_OPTIONS */
9093         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
9094                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
9095                         reply_len = -1;
9096         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
9097                 wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
9098         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
9099                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
9100                         reply_len = -1;
9101         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
9102                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
9103                                                                buf + 17))
9104                         reply_len = -1;
9105         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
9106                 wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
9107 #ifdef CONFIG_TDLS
9108         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
9109                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
9110                         reply_len = -1;
9111         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
9112                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
9113                         reply_len = -1;
9114         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
9115                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
9116                         reply_len = -1;
9117         } else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
9118                 if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
9119                                                                buf + 17))
9120                         reply_len = -1;
9121         } else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
9122                 if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
9123                                                                       buf + 24))
9124                         reply_len = -1;
9125         } else if (os_strncmp(buf, "TDLS_LINK_STATUS ", 17) == 0) {
9126                 reply_len = wpa_supplicant_ctrl_iface_tdls_link_status(
9127                         wpa_s, buf + 17, reply, reply_size);
9128 #endif /* CONFIG_TDLS */
9129         } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
9130                 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
9131         } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
9132                 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
9133                         reply_len = -1;
9134         } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
9135                 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
9136                         reply_len = -1;
9137         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
9138                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
9139                                                        reply_size);
9140         } else if (os_strncmp(buf, "SIGNAL_MONITOR", 14) == 0) {
9141                 if (wpas_ctrl_iface_signal_monitor(wpa_s, buf + 14))
9142                         reply_len = -1;
9143         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
9144                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
9145                                                        reply_size);
9146 #ifdef CONFIG_AUTOSCAN
9147         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
9148                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
9149                         reply_len = -1;
9150 #endif /* CONFIG_AUTOSCAN */
9151 #ifdef ANDROID
9152         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
9153                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
9154                                                       reply_size);
9155 #endif /* ANDROID */
9156         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
9157                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
9158                                                       reply_size);
9159         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
9160                 pmksa_cache_clear_current(wpa_s->wpa);
9161                 eapol_sm_request_reauth(wpa_s->eapol);
9162 #ifdef CONFIG_WNM
9163         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
9164                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
9165                         reply_len = -1;
9166         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
9167                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
9168                                 reply_len = -1;
9169 #endif /* CONFIG_WNM */
9170         } else if (os_strcmp(buf, "FLUSH") == 0) {
9171                 wpa_supplicant_ctrl_iface_flush(wpa_s);
9172         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
9173                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
9174                                                  reply_size);
9175 #ifdef CONFIG_TESTING_OPTIONS
9176         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
9177                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
9178                         reply_len = -1;
9179         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
9180                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
9181         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
9182                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
9183                         reply_len = -1;
9184         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
9185                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
9186                         reply_len = -1;
9187         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
9188                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
9189                         reply_len = -1;
9190         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
9191                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
9192                         reply_len = -1;
9193         } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
9194                 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
9195                         reply_len = -1;
9196         } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
9197                 if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
9198                         reply_len = -1;
9199         } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
9200                 reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
9201         } else if (os_strncmp(buf, "TEST_FAIL ", 10) == 0) {
9202                 if (wpas_ctrl_test_fail(wpa_s, buf + 10) < 0)
9203                         reply_len = -1;
9204         } else if (os_strcmp(buf, "GET_FAIL") == 0) {
9205                 reply_len = wpas_ctrl_get_fail(wpa_s, reply, reply_size);
9206         } else if (os_strncmp(buf, "EVENT_TEST ", 11) == 0) {
9207                 if (wpas_ctrl_event_test(wpa_s, buf + 11) < 0)
9208                         reply_len = -1;
9209         } else if (os_strncmp(buf, "TEST_ASSOC_IE ", 14) == 0) {
9210                 if (wpas_ctrl_test_assoc_ie(wpa_s, buf + 14) < 0)
9211                         reply_len = -1;
9212 #endif /* CONFIG_TESTING_OPTIONS */
9213         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
9214                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
9215                         reply_len = -1;
9216         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
9217                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
9218                                                       reply_size);
9219         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
9220                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
9221                         reply_len = -1;
9222         } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
9223                 if (wpas_ctrl_iface_send_neighbor_rep(wpa_s, buf + 20))
9224                         reply_len = -1;
9225         } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
9226                 wpas_ctrl_iface_erp_flush(wpa_s);
9227         } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
9228                 if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
9229                         reply_len = -1;
9230         } else if (os_strncmp(buf, "GET_PREF_FREQ_LIST ", 19) == 0) {
9231                 reply_len = wpas_ctrl_iface_get_pref_freq_list(
9232                         wpa_s, buf + 19, reply, reply_size);
9233         } else {
9234                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
9235                 reply_len = 16;
9236         }
9237
9238         if (reply_len < 0) {
9239                 os_memcpy(reply, "FAIL\n", 5);
9240                 reply_len = 5;
9241         }
9242
9243         *resp_len = reply_len;
9244         return reply;
9245 }
9246
9247
9248 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
9249                                            char *cmd)
9250 {
9251         struct wpa_interface iface;
9252         char *pos, *extra;
9253         struct wpa_supplicant *wpa_s;
9254         unsigned int create_iface = 0;
9255         u8 mac_addr[ETH_ALEN];
9256         enum wpa_driver_if_type type = WPA_IF_STATION;
9257
9258         /*
9259          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
9260          * TAB<bridge_ifname>[TAB<create>[TAB<interface_type>]]
9261          */
9262         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
9263
9264         os_memset(&iface, 0, sizeof(iface));
9265
9266         do {
9267                 iface.ifname = pos = cmd;
9268                 pos = os_strchr(pos, '\t');
9269                 if (pos)
9270                         *pos++ = '\0';
9271                 if (iface.ifname[0] == '\0')
9272                         return -1;
9273                 if (pos == NULL)
9274                         break;
9275
9276                 iface.confname = pos;
9277                 pos = os_strchr(pos, '\t');
9278                 if (pos)
9279                         *pos++ = '\0';
9280                 if (iface.confname[0] == '\0')
9281                         iface.confname = NULL;
9282                 if (pos == NULL)
9283                         break;
9284
9285                 iface.driver = pos;
9286                 pos = os_strchr(pos, '\t');
9287                 if (pos)
9288                         *pos++ = '\0';
9289                 if (iface.driver[0] == '\0')
9290                         iface.driver = NULL;
9291                 if (pos == NULL)
9292                         break;
9293
9294                 iface.ctrl_interface = pos;
9295                 pos = os_strchr(pos, '\t');
9296                 if (pos)
9297                         *pos++ = '\0';
9298                 if (iface.ctrl_interface[0] == '\0')
9299                         iface.ctrl_interface = NULL;
9300                 if (pos == NULL)
9301                         break;
9302
9303                 iface.driver_param = pos;
9304                 pos = os_strchr(pos, '\t');
9305                 if (pos)
9306                         *pos++ = '\0';
9307                 if (iface.driver_param[0] == '\0')
9308                         iface.driver_param = NULL;
9309                 if (pos == NULL)
9310                         break;
9311
9312                 iface.bridge_ifname = pos;
9313                 pos = os_strchr(pos, '\t');
9314                 if (pos)
9315                         *pos++ = '\0';
9316                 if (iface.bridge_ifname[0] == '\0')
9317                         iface.bridge_ifname = NULL;
9318                 if (pos == NULL)
9319                         break;
9320
9321                 extra = pos;
9322                 pos = os_strchr(pos, '\t');
9323                 if (pos)
9324                         *pos++ = '\0';
9325                 if (!extra[0])
9326                         break;
9327
9328                 if (os_strcmp(extra, "create") == 0) {
9329                         create_iface = 1;
9330                         if (!pos)
9331                                 break;
9332
9333                         if (os_strcmp(pos, "sta") == 0) {
9334                                 type = WPA_IF_STATION;
9335                         } else if (os_strcmp(pos, "ap") == 0) {
9336                                 type = WPA_IF_AP_BSS;
9337                         } else {
9338                                 wpa_printf(MSG_DEBUG,
9339                                            "INTERFACE_ADD unsupported interface type: '%s'",
9340                                            pos);
9341                                 return -1;
9342                         }
9343                 } else {
9344                         wpa_printf(MSG_DEBUG,
9345                                    "INTERFACE_ADD unsupported extra parameter: '%s'",
9346                                    extra);
9347                         return -1;
9348                 }
9349         } while (0);
9350
9351         if (create_iface) {
9352                 wpa_printf(MSG_DEBUG, "CTRL_IFACE creating interface '%s'",
9353                            iface.ifname);
9354                 if (!global->ifaces)
9355                         return -1;
9356                 if (wpa_drv_if_add(global->ifaces, type, iface.ifname,
9357                                    NULL, NULL, NULL, mac_addr, NULL) < 0) {
9358                         wpa_printf(MSG_ERROR,
9359                                    "CTRL_IFACE interface creation failed");
9360                         return -1;
9361                 }
9362
9363                 wpa_printf(MSG_DEBUG,
9364                            "CTRL_IFACE interface '%s' created with MAC addr: "
9365                            MACSTR, iface.ifname, MAC2STR(mac_addr));
9366         }
9367
9368         if (wpa_supplicant_get_iface(global, iface.ifname))
9369                 goto fail;
9370
9371         wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
9372         if (!wpa_s)
9373                 goto fail;
9374         wpa_s->added_vif = create_iface;
9375         return 0;
9376
9377 fail:
9378         if (create_iface)
9379                 wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, iface.ifname);
9380         return -1;
9381 }
9382
9383
9384 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
9385                                               char *cmd)
9386 {
9387         struct wpa_supplicant *wpa_s;
9388         int ret;
9389         unsigned int delete_iface;
9390
9391         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
9392
9393         wpa_s = wpa_supplicant_get_iface(global, cmd);
9394         if (wpa_s == NULL)
9395                 return -1;
9396         delete_iface = wpa_s->added_vif;
9397         ret = wpa_supplicant_remove_iface(global, wpa_s, 0);
9398         if (!ret && delete_iface) {
9399                 wpa_printf(MSG_DEBUG, "CTRL_IFACE deleting the interface '%s'",
9400                            cmd);
9401                 ret = wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, cmd);
9402         }
9403         return ret;
9404 }
9405
9406
9407 static void wpa_free_iface_info(struct wpa_interface_info *iface)
9408 {
9409         struct wpa_interface_info *prev;
9410
9411         while (iface) {
9412                 prev = iface;
9413                 iface = iface->next;
9414
9415                 os_free(prev->ifname);
9416                 os_free(prev->desc);
9417                 os_free(prev);
9418         }
9419 }
9420
9421
9422 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
9423                                             char *buf, int len)
9424 {
9425         int i, res;
9426         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
9427         char *pos, *end;
9428
9429         for (i = 0; wpa_drivers[i]; i++) {
9430                 const struct wpa_driver_ops *drv = wpa_drivers[i];
9431                 if (drv->get_interfaces == NULL)
9432                         continue;
9433                 tmp = drv->get_interfaces(global->drv_priv[i]);
9434                 if (tmp == NULL)
9435                         continue;
9436
9437                 if (last == NULL)
9438                         iface = last = tmp;
9439                 else
9440                         last->next = tmp;
9441                 while (last->next)
9442                         last = last->next;
9443         }
9444
9445         pos = buf;
9446         end = buf + len;
9447         for (tmp = iface; tmp; tmp = tmp->next) {
9448                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
9449                                   tmp->drv_name, tmp->ifname,
9450                                   tmp->desc ? tmp->desc : "");
9451                 if (os_snprintf_error(end - pos, res)) {
9452                         *pos = '\0';
9453                         break;
9454                 }
9455                 pos += res;
9456         }
9457
9458         wpa_free_iface_info(iface);
9459
9460         return pos - buf;
9461 }
9462
9463
9464 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
9465                                                   const char *input,
9466                                                   char *buf, int len)
9467 {
9468         int res;
9469         char *pos, *end;
9470         struct wpa_supplicant *wpa_s;
9471         int show_ctrl = 0;
9472
9473         if (input)
9474                 show_ctrl = !!os_strstr(input, "ctrl");
9475
9476         wpa_s = global->ifaces;
9477         pos = buf;
9478         end = buf + len;
9479
9480         while (wpa_s) {
9481                 if (show_ctrl)
9482                         res = os_snprintf(pos, end - pos, "%s ctrl_iface=%s\n",
9483                                           wpa_s->ifname,
9484                                           wpa_s->conf->ctrl_interface ?
9485                                           wpa_s->conf->ctrl_interface : "N/A");
9486                 else
9487                         res = os_snprintf(pos, end - pos, "%s\n",
9488                                           wpa_s->ifname);
9489
9490                 if (os_snprintf_error(end - pos, res)) {
9491                         *pos = '\0';
9492                         break;
9493                 }
9494                 pos += res;
9495                 wpa_s = wpa_s->next;
9496         }
9497         return pos - buf;
9498 }
9499
9500
9501 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
9502                                             const char *ifname,
9503                                             char *cmd, size_t *resp_len)
9504 {
9505         struct wpa_supplicant *wpa_s;
9506
9507         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9508                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
9509                         break;
9510         }
9511
9512         if (wpa_s == NULL) {
9513                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
9514                 if (resp)
9515                         *resp_len = os_strlen(resp);
9516                 else
9517                         *resp_len = 1;
9518                 return resp;
9519         }
9520
9521         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
9522 }
9523
9524
9525 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
9526                                                char *buf, size_t *resp_len)
9527 {
9528 #ifdef CONFIG_P2P
9529         static const char * cmd[] = {
9530                 "LIST_NETWORKS",
9531                 "P2P_FIND",
9532                 "P2P_STOP_FIND",
9533                 "P2P_LISTEN",
9534                 "P2P_GROUP_ADD",
9535                 "P2P_GET_PASSPHRASE",
9536                 "P2P_SERVICE_UPDATE",
9537                 "P2P_SERVICE_FLUSH",
9538                 "P2P_FLUSH",
9539                 "P2P_CANCEL",
9540                 "P2P_PRESENCE_REQ",
9541                 "P2P_EXT_LISTEN",
9542                 NULL
9543         };
9544         static const char * prefix[] = {
9545 #ifdef ANDROID
9546                 "DRIVER ",
9547 #endif /* ANDROID */
9548                 "GET_NETWORK ",
9549                 "REMOVE_NETWORK ",
9550                 "P2P_FIND ",
9551                 "P2P_CONNECT ",
9552                 "P2P_LISTEN ",
9553                 "P2P_GROUP_REMOVE ",
9554                 "P2P_GROUP_ADD ",
9555                 "P2P_PROV_DISC ",
9556                 "P2P_SERV_DISC_REQ ",
9557                 "P2P_SERV_DISC_CANCEL_REQ ",
9558                 "P2P_SERV_DISC_RESP ",
9559                 "P2P_SERV_DISC_EXTERNAL ",
9560                 "P2P_SERVICE_ADD ",
9561                 "P2P_SERVICE_DEL ",
9562                 "P2P_SERVICE_REP ",
9563                 "P2P_REJECT ",
9564                 "P2P_INVITE ",
9565                 "P2P_PEER ",
9566                 "P2P_SET ",
9567                 "P2P_UNAUTHORIZE ",
9568                 "P2P_PRESENCE_REQ ",
9569                 "P2P_EXT_LISTEN ",
9570                 "P2P_REMOVE_CLIENT ",
9571                 "WPS_NFC_TOKEN ",
9572                 "WPS_NFC_TAG_READ ",
9573                 "NFC_GET_HANDOVER_SEL ",
9574                 "NFC_GET_HANDOVER_REQ ",
9575                 "NFC_REPORT_HANDOVER ",
9576                 "P2P_ASP_PROVISION ",
9577                 "P2P_ASP_PROVISION_RESP ",
9578                 NULL
9579         };
9580         int found = 0;
9581         int i;
9582
9583         if (global->p2p_init_wpa_s == NULL)
9584                 return NULL;
9585
9586         for (i = 0; !found && cmd[i]; i++) {
9587                 if (os_strcmp(buf, cmd[i]) == 0)
9588                         found = 1;
9589         }
9590
9591         for (i = 0; !found && prefix[i]; i++) {
9592                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
9593                         found = 1;
9594         }
9595
9596         if (found)
9597                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9598                                                          buf, resp_len);
9599 #endif /* CONFIG_P2P */
9600         return NULL;
9601 }
9602
9603
9604 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
9605                                                char *buf, size_t *resp_len)
9606 {
9607 #ifdef CONFIG_WIFI_DISPLAY
9608         if (global->p2p_init_wpa_s == NULL)
9609                 return NULL;
9610         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
9611             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
9612                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9613                                                          buf, resp_len);
9614 #endif /* CONFIG_WIFI_DISPLAY */
9615         return NULL;
9616 }
9617
9618
9619 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
9620                                            char *buf, size_t *resp_len)
9621 {
9622         char *ret;
9623
9624         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
9625         if (ret)
9626                 return ret;
9627
9628         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
9629         if (ret)
9630                 return ret;
9631
9632         return NULL;
9633 }
9634
9635
9636 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
9637 {
9638         char *value;
9639
9640         value = os_strchr(cmd, ' ');
9641         if (value == NULL)
9642                 return -1;
9643         *value++ = '\0';
9644
9645         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
9646
9647 #ifdef CONFIG_WIFI_DISPLAY
9648         if (os_strcasecmp(cmd, "wifi_display") == 0) {
9649                 wifi_display_enable(global, !!atoi(value));
9650                 return 0;
9651         }
9652 #endif /* CONFIG_WIFI_DISPLAY */
9653
9654         /* Restore cmd to its original value to allow redirection */
9655         value[-1] = ' ';
9656
9657         return -1;
9658 }
9659
9660
9661 static int wpas_global_ctrl_iface_dup_network(struct wpa_global *global,
9662                                               char *cmd)
9663 {
9664         struct wpa_supplicant *wpa_s[2]; /* src, dst */
9665         char *p;
9666         unsigned int i;
9667
9668         /* cmd: "<src ifname> <dst ifname> <src network id> <dst network id>
9669          * <variable name> */
9670
9671         for (i = 0; i < ARRAY_SIZE(wpa_s) ; i++) {
9672                 p = os_strchr(cmd, ' ');
9673                 if (p == NULL)
9674                         return -1;
9675                 *p = '\0';
9676
9677                 wpa_s[i] = global->ifaces;
9678                 for (; wpa_s[i]; wpa_s[i] = wpa_s[i]->next) {
9679                         if (os_strcmp(cmd, wpa_s[i]->ifname) == 0)
9680                                 break;
9681                 }
9682
9683                 if (!wpa_s[i]) {
9684                         wpa_printf(MSG_DEBUG,
9685                                    "CTRL_IFACE: Could not find iface=%s", cmd);
9686                         return -1;
9687                 }
9688
9689                 cmd = p + 1;
9690         }
9691
9692         return wpa_supplicant_ctrl_iface_dup_network(wpa_s[0], cmd, wpa_s[1]);
9693 }
9694
9695
9696 #ifndef CONFIG_NO_CONFIG_WRITE
9697 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
9698 {
9699         int ret = 0, saved = 0;
9700         struct wpa_supplicant *wpa_s;
9701
9702         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9703                 if (!wpa_s->conf->update_config) {
9704                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
9705                         continue;
9706                 }
9707
9708                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
9709                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
9710                         ret = 1;
9711                 } else {
9712                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
9713                         saved++;
9714                 }
9715         }
9716
9717         if (!saved && !ret) {
9718                 wpa_dbg(wpa_s, MSG_DEBUG,
9719                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
9720                 ret = 1;
9721         }
9722
9723         return ret;
9724 }
9725 #endif /* CONFIG_NO_CONFIG_WRITE */
9726
9727
9728 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
9729                                          char *buf, size_t buflen)
9730 {
9731         char *pos, *end;
9732         int ret;
9733         struct wpa_supplicant *wpa_s;
9734
9735         pos = buf;
9736         end = buf + buflen;
9737
9738 #ifdef CONFIG_P2P
9739         if (global->p2p && !global->p2p_disabled) {
9740                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
9741                                   "\n"
9742                                   "p2p_state=%s\n",
9743                                   MAC2STR(global->p2p_dev_addr),
9744                                   p2p_get_state_txt(global->p2p));
9745                 if (os_snprintf_error(end - pos, ret))
9746                         return pos - buf;
9747                 pos += ret;
9748         } else if (global->p2p) {
9749                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
9750                 if (os_snprintf_error(end - pos, ret))
9751                         return pos - buf;
9752                 pos += ret;
9753         }
9754 #endif /* CONFIG_P2P */
9755
9756 #ifdef CONFIG_WIFI_DISPLAY
9757         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
9758                           !!global->wifi_display);
9759         if (os_snprintf_error(end - pos, ret))
9760                 return pos - buf;
9761         pos += ret;
9762 #endif /* CONFIG_WIFI_DISPLAY */
9763
9764         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9765                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
9766                                   "address=" MACSTR "\n",
9767                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
9768                 if (os_snprintf_error(end - pos, ret))
9769                         return pos - buf;
9770                 pos += ret;
9771         }
9772
9773         return pos - buf;
9774 }
9775
9776
9777 #ifdef CONFIG_FST
9778
9779 static int wpas_global_ctrl_iface_fst_attach(struct wpa_global *global,
9780                                              char *cmd, char *buf,
9781                                              size_t reply_size)
9782 {
9783         char ifname[IFNAMSIZ + 1];
9784         struct fst_iface_cfg cfg;
9785         struct wpa_supplicant *wpa_s;
9786         struct fst_wpa_obj iface_obj;
9787
9788         if (!fst_parse_attach_command(cmd, ifname, sizeof(ifname), &cfg)) {
9789                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9790                 if (wpa_s) {
9791                         if (wpa_s->fst) {
9792                                 wpa_printf(MSG_INFO, "FST: Already attached");
9793                                 return -1;
9794                         }
9795                         fst_wpa_supplicant_fill_iface_obj(wpa_s, &iface_obj);
9796                         wpa_s->fst = fst_attach(ifname, wpa_s->own_addr,
9797                                                 &iface_obj, &cfg);
9798                         if (wpa_s->fst)
9799                                 return os_snprintf(buf, reply_size, "OK\n");
9800                 }
9801         }
9802
9803         return -1;
9804 }
9805
9806
9807 static int wpas_global_ctrl_iface_fst_detach(struct wpa_global *global,
9808                                              char *cmd, char *buf,
9809                                              size_t reply_size)
9810 {
9811         char ifname[IFNAMSIZ + 1];
9812         struct wpa_supplicant *wpa_s;
9813
9814         if (!fst_parse_detach_command(cmd, ifname, sizeof(ifname))) {
9815                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9816                 if (wpa_s) {
9817                         if (!fst_iface_detach(ifname)) {
9818                                 wpa_s->fst = NULL;
9819                                 return os_snprintf(buf, reply_size, "OK\n");
9820                         }
9821                 }
9822         }
9823
9824         return -1;
9825 }
9826
9827 #endif /* CONFIG_FST */
9828
9829
9830 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
9831                                                 char *buf, size_t *resp_len)
9832 {
9833         char *reply;
9834         const int reply_size = 2048;
9835         int reply_len;
9836         int level = MSG_DEBUG;
9837
9838         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
9839                 char *pos = os_strchr(buf + 7, ' ');
9840                 if (pos) {
9841                         *pos++ = '\0';
9842                         return wpas_global_ctrl_iface_ifname(global,
9843                                                              buf + 7, pos,
9844                                                              resp_len);
9845                 }
9846         }
9847
9848         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
9849         if (reply)
9850                 return reply;
9851
9852         if (os_strcmp(buf, "PING") == 0)
9853                 level = MSG_EXCESSIVE;
9854         wpa_hexdump_ascii(level, "RX global ctrl_iface",
9855                           (const u8 *) buf, os_strlen(buf));
9856
9857         reply = os_malloc(reply_size);
9858         if (reply == NULL) {
9859                 *resp_len = 1;
9860                 return NULL;
9861         }
9862
9863         os_memcpy(reply, "OK\n", 3);
9864         reply_len = 3;
9865
9866         if (os_strcmp(buf, "PING") == 0) {
9867                 os_memcpy(reply, "PONG\n", 5);
9868                 reply_len = 5;
9869         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
9870                 if (wpa_supplicant_global_iface_add(global, buf + 14))
9871                         reply_len = -1;
9872         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
9873                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
9874                         reply_len = -1;
9875         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
9876                 reply_len = wpa_supplicant_global_iface_list(
9877                         global, reply, reply_size);
9878         } else if (os_strncmp(buf, "INTERFACES", 10) == 0) {
9879                 reply_len = wpa_supplicant_global_iface_interfaces(
9880                         global, buf + 10, reply, reply_size);
9881 #ifdef CONFIG_FST
9882         } else if (os_strncmp(buf, "FST-ATTACH ", 11) == 0) {
9883                 reply_len = wpas_global_ctrl_iface_fst_attach(global, buf + 11,
9884                                                               reply,
9885                                                               reply_size);
9886         } else if (os_strncmp(buf, "FST-DETACH ", 11) == 0) {
9887                 reply_len = wpas_global_ctrl_iface_fst_detach(global, buf + 11,
9888                                                               reply,
9889                                                               reply_size);
9890         } else if (os_strncmp(buf, "FST-MANAGER ", 12) == 0) {
9891                 reply_len = fst_ctrl_iface_receive(buf + 12, reply, reply_size);
9892 #endif /* CONFIG_FST */
9893         } else if (os_strcmp(buf, "TERMINATE") == 0) {
9894                 wpa_supplicant_terminate_proc(global);
9895         } else if (os_strcmp(buf, "SUSPEND") == 0) {
9896                 wpas_notify_suspend(global);
9897         } else if (os_strcmp(buf, "RESUME") == 0) {
9898                 wpas_notify_resume(global);
9899         } else if (os_strncmp(buf, "SET ", 4) == 0) {
9900                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
9901 #ifdef CONFIG_P2P
9902                         if (global->p2p_init_wpa_s) {
9903                                 os_free(reply);
9904                                 /* Check if P2P redirection would work for this
9905                                  * command. */
9906                                 return wpa_supplicant_ctrl_iface_process(
9907                                         global->p2p_init_wpa_s,
9908                                         buf, resp_len);
9909                         }
9910 #endif /* CONFIG_P2P */
9911                         reply_len = -1;
9912                 }
9913         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
9914                 if (wpas_global_ctrl_iface_dup_network(global, buf + 12))
9915                         reply_len = -1;
9916 #ifndef CONFIG_NO_CONFIG_WRITE
9917         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
9918                 if (wpas_global_ctrl_iface_save_config(global))
9919                         reply_len = -1;
9920 #endif /* CONFIG_NO_CONFIG_WRITE */
9921         } else if (os_strcmp(buf, "STATUS") == 0) {
9922                 reply_len = wpas_global_ctrl_iface_status(global, reply,
9923                                                           reply_size);
9924 #ifdef CONFIG_MODULE_TESTS
9925         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
9926                 int wpas_module_tests(void);
9927                 if (wpas_module_tests() < 0)
9928                         reply_len = -1;
9929 #endif /* CONFIG_MODULE_TESTS */
9930         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
9931                 if (wpa_debug_reopen_file() < 0)
9932                         reply_len = -1;
9933         } else {
9934                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
9935                 reply_len = 16;
9936         }
9937
9938         if (reply_len < 0) {
9939                 os_memcpy(reply, "FAIL\n", 5);
9940                 reply_len = 5;
9941         }
9942
9943         *resp_len = reply_len;
9944         return reply;
9945 }