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