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
2743 static int wpa_supplicant_ctrl_iface_mesh_peer_add(
2744         struct wpa_supplicant *wpa_s, char *cmd)
2745 {
2746         u8 addr[ETH_ALEN];
2747         int duration;
2748         char *pos;
2749
2750         pos = os_strstr(cmd, " duration=");
2751         if (pos) {
2752                 *pos = '\0';
2753                 duration = atoi(pos + 10);
2754         } else {
2755                 duration = -1;
2756         }
2757
2758         if (hwaddr_aton(cmd, addr))
2759                 return -1;
2760
2761         return wpas_mesh_peer_add(wpa_s, addr, duration);
2762 }
2763
2764 #endif /* CONFIG_MESH */
2765
2766
2767 static int wpa_supplicant_ctrl_iface_select_network(
2768         struct wpa_supplicant *wpa_s, char *cmd)
2769 {
2770         int id;
2771         struct wpa_ssid *ssid;
2772         char *pos;
2773
2774         /* cmd: "<network id>" or "any" */
2775         if (os_strncmp(cmd, "any", 3) == 0) {
2776                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2777                 ssid = NULL;
2778         } else {
2779                 id = atoi(cmd);
2780                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2781
2782                 ssid = wpa_config_get_network(wpa_s->conf, id);
2783                 if (ssid == NULL) {
2784                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2785                                    "network id=%d", id);
2786                         return -1;
2787                 }
2788                 if (ssid->disabled == 2) {
2789                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2790                                    "SELECT_NETWORK with persistent P2P group");
2791                         return -1;
2792                 }
2793         }
2794
2795         pos = os_strstr(cmd, " freq=");
2796         if (pos) {
2797                 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2798                 if (freqs) {
2799                         wpa_s->scan_req = MANUAL_SCAN_REQ;
2800                         os_free(wpa_s->manual_scan_freqs);
2801                         wpa_s->manual_scan_freqs = freqs;
2802                 }
2803         }
2804
2805         wpa_s->scan_min_time.sec = 0;
2806         wpa_s->scan_min_time.usec = 0;
2807         wpa_supplicant_select_network(wpa_s, ssid);
2808
2809         return 0;
2810 }
2811
2812
2813 static int wpa_supplicant_ctrl_iface_enable_network(
2814         struct wpa_supplicant *wpa_s, char *cmd)
2815 {
2816         int id;
2817         struct wpa_ssid *ssid;
2818
2819         /* cmd: "<network id>" or "all" */
2820         if (os_strcmp(cmd, "all") == 0) {
2821                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2822                 ssid = NULL;
2823         } else {
2824                 id = atoi(cmd);
2825                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2826
2827                 ssid = wpa_config_get_network(wpa_s->conf, id);
2828                 if (ssid == NULL) {
2829                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2830                                    "network id=%d", id);
2831                         return -1;
2832                 }
2833                 if (ssid->disabled == 2) {
2834                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2835                                    "ENABLE_NETWORK with persistent P2P group");
2836                         return -1;
2837                 }
2838
2839                 if (os_strstr(cmd, " no-connect")) {
2840                         ssid->disabled = 0;
2841                         return 0;
2842                 }
2843         }
2844         wpa_s->scan_min_time.sec = 0;
2845         wpa_s->scan_min_time.usec = 0;
2846         wpa_supplicant_enable_network(wpa_s, ssid);
2847
2848         return 0;
2849 }
2850
2851
2852 static int wpa_supplicant_ctrl_iface_disable_network(
2853         struct wpa_supplicant *wpa_s, char *cmd)
2854 {
2855         int id;
2856         struct wpa_ssid *ssid;
2857
2858         /* cmd: "<network id>" or "all" */
2859         if (os_strcmp(cmd, "all") == 0) {
2860                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2861                 ssid = NULL;
2862         } else {
2863                 id = atoi(cmd);
2864                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2865
2866                 ssid = wpa_config_get_network(wpa_s->conf, id);
2867                 if (ssid == NULL) {
2868                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2869                                    "network id=%d", id);
2870                         return -1;
2871                 }
2872                 if (ssid->disabled == 2) {
2873                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2874                                    "DISABLE_NETWORK with persistent P2P "
2875                                    "group");
2876                         return -1;
2877                 }
2878         }
2879         wpa_supplicant_disable_network(wpa_s, ssid);
2880
2881         return 0;
2882 }
2883
2884
2885 static int wpa_supplicant_ctrl_iface_add_network(
2886         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2887 {
2888         struct wpa_ssid *ssid;
2889         int ret;
2890
2891         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2892
2893         ssid = wpa_config_add_network(wpa_s->conf);
2894         if (ssid == NULL)
2895                 return -1;
2896
2897         wpas_notify_network_added(wpa_s, ssid);
2898
2899         ssid->disabled = 1;
2900         wpa_config_set_network_defaults(ssid);
2901
2902         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2903         if (os_snprintf_error(buflen, ret))
2904                 return -1;
2905         return ret;
2906 }
2907
2908
2909 static int wpa_supplicant_ctrl_iface_remove_network(
2910         struct wpa_supplicant *wpa_s, char *cmd)
2911 {
2912         int id;
2913         struct wpa_ssid *ssid;
2914         int was_disabled;
2915
2916         /* cmd: "<network id>" or "all" */
2917         if (os_strcmp(cmd, "all") == 0) {
2918                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2919                 if (wpa_s->sched_scanning)
2920                         wpa_supplicant_cancel_sched_scan(wpa_s);
2921
2922                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2923                 if (wpa_s->current_ssid) {
2924 #ifdef CONFIG_SME
2925                         wpa_s->sme.prev_bssid_set = 0;
2926 #endif /* CONFIG_SME */
2927                         wpa_sm_set_config(wpa_s->wpa, NULL);
2928                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2929                         if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2930                                 wpa_s->own_disconnect_req = 1;
2931                         wpa_supplicant_deauthenticate(
2932                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2933                 }
2934                 ssid = wpa_s->conf->ssid;
2935                 while (ssid) {
2936                         struct wpa_ssid *remove_ssid = ssid;
2937                         id = ssid->id;
2938                         ssid = ssid->next;
2939                         if (wpa_s->last_ssid == remove_ssid)
2940                                 wpa_s->last_ssid = NULL;
2941                         wpas_notify_network_removed(wpa_s, remove_ssid);
2942                         wpa_config_remove_network(wpa_s->conf, id);
2943                 }
2944                 return 0;
2945         }
2946
2947         id = atoi(cmd);
2948         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2949
2950         ssid = wpa_config_get_network(wpa_s->conf, id);
2951         if (ssid)
2952                 wpas_notify_network_removed(wpa_s, ssid);
2953         if (ssid == NULL) {
2954                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2955                            "id=%d", id);
2956                 return -1;
2957         }
2958
2959         if (wpa_s->last_ssid == ssid)
2960                 wpa_s->last_ssid = NULL;
2961
2962         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2963 #ifdef CONFIG_SME
2964                 wpa_s->sme.prev_bssid_set = 0;
2965 #endif /* CONFIG_SME */
2966                 /*
2967                  * Invalidate the EAP session cache if the current or
2968                  * previously used network is removed.
2969                  */
2970                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2971         }
2972
2973         if (ssid == wpa_s->current_ssid) {
2974                 wpa_sm_set_config(wpa_s->wpa, NULL);
2975                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2976
2977                 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2978                         wpa_s->own_disconnect_req = 1;
2979                 wpa_supplicant_deauthenticate(wpa_s,
2980                                               WLAN_REASON_DEAUTH_LEAVING);
2981         }
2982
2983         was_disabled = ssid->disabled;
2984
2985         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2986                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2987                            "network id=%d", id);
2988                 return -1;
2989         }
2990
2991         if (!was_disabled && wpa_s->sched_scanning) {
2992                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2993                            "network from filters");
2994                 wpa_supplicant_cancel_sched_scan(wpa_s);
2995                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2996         }
2997
2998         return 0;
2999 }
3000
3001
3002 static int wpa_supplicant_ctrl_iface_update_network(
3003         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
3004         char *name, char *value)
3005 {
3006         if (wpa_config_set(ssid, name, value, 0) < 0) {
3007                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
3008                            "variable '%s'", name);
3009                 return -1;
3010         }
3011
3012         if (os_strcmp(name, "bssid") != 0 &&
3013             os_strcmp(name, "priority") != 0) {
3014                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
3015
3016                 if (wpa_s->current_ssid == ssid ||
3017                     wpa_s->current_ssid == NULL) {
3018                         /*
3019                          * Invalidate the EAP session cache if anything in the
3020                          * current or previously used configuration changes.
3021                          */
3022                         eapol_sm_invalidate_cached_session(wpa_s->eapol);
3023                 }
3024         }
3025
3026         if ((os_strcmp(name, "psk") == 0 &&
3027              value[0] == '"' && ssid->ssid_len) ||
3028             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
3029                 wpa_config_update_psk(ssid);
3030         else if (os_strcmp(name, "priority") == 0)
3031                 wpa_config_update_prio_list(wpa_s->conf);
3032
3033         return 0;
3034 }
3035
3036
3037 static int wpa_supplicant_ctrl_iface_set_network(
3038         struct wpa_supplicant *wpa_s, char *cmd)
3039 {
3040         int id, ret, prev_bssid_set, prev_disabled;
3041         struct wpa_ssid *ssid;
3042         char *name, *value;
3043         u8 prev_bssid[ETH_ALEN];
3044
3045         /* cmd: "<network id> <variable name> <value>" */
3046         name = os_strchr(cmd, ' ');
3047         if (name == NULL)
3048                 return -1;
3049         *name++ = '\0';
3050
3051         value = os_strchr(name, ' ');
3052         if (value == NULL)
3053                 return -1;
3054         *value++ = '\0';
3055
3056         id = atoi(cmd);
3057         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
3058                    id, name);
3059         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3060                               (u8 *) value, os_strlen(value));
3061
3062         ssid = wpa_config_get_network(wpa_s->conf, id);
3063         if (ssid == NULL) {
3064                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3065                            "id=%d", id);
3066                 return -1;
3067         }
3068
3069         prev_bssid_set = ssid->bssid_set;
3070         prev_disabled = ssid->disabled;
3071         os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
3072         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
3073                                                        value);
3074         if (ret == 0 &&
3075             (ssid->bssid_set != prev_bssid_set ||
3076              os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
3077                 wpas_notify_network_bssid_set_changed(wpa_s, ssid);
3078
3079         if (prev_disabled != ssid->disabled &&
3080             (prev_disabled == 2 || ssid->disabled == 2))
3081                 wpas_notify_network_type_changed(wpa_s, ssid);
3082
3083         return ret;
3084 }
3085
3086
3087 static int wpa_supplicant_ctrl_iface_get_network(
3088         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
3089 {
3090         int id;
3091         size_t res;
3092         struct wpa_ssid *ssid;
3093         char *name, *value;
3094
3095         /* cmd: "<network id> <variable name>" */
3096         name = os_strchr(cmd, ' ');
3097         if (name == NULL || buflen == 0)
3098                 return -1;
3099         *name++ = '\0';
3100
3101         id = atoi(cmd);
3102         wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
3103                    id, name);
3104
3105         ssid = wpa_config_get_network(wpa_s->conf, id);
3106         if (ssid == NULL) {
3107                 wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: Could not find network "
3108                            "id=%d", id);
3109                 return -1;
3110         }
3111
3112         value = wpa_config_get_no_key(ssid, name);
3113         if (value == NULL) {
3114                 wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: Failed to get network "
3115                            "variable '%s'", name);
3116                 return -1;
3117         }
3118
3119         res = os_strlcpy(buf, value, buflen);
3120         if (res >= buflen) {
3121                 os_free(value);
3122                 return -1;
3123         }
3124
3125         os_free(value);
3126
3127         return res;
3128 }
3129
3130
3131 static int wpa_supplicant_ctrl_iface_dup_network(
3132         struct wpa_supplicant *wpa_s, char *cmd,
3133         struct wpa_supplicant *dst_wpa_s)
3134 {
3135         struct wpa_ssid *ssid_s, *ssid_d;
3136         char *name, *id, *value;
3137         int id_s, id_d, ret;
3138
3139         /* cmd: "<src network id> <dst network id> <variable name>" */
3140         id = os_strchr(cmd, ' ');
3141         if (id == NULL)
3142                 return -1;
3143         *id++ = '\0';
3144
3145         name = os_strchr(id, ' ');
3146         if (name == NULL)
3147                 return -1;
3148         *name++ = '\0';
3149
3150         id_s = atoi(cmd);
3151         id_d = atoi(id);
3152
3153         wpa_printf(MSG_DEBUG,
3154                    "CTRL_IFACE: DUP_NETWORK ifname=%s->%s id=%d->%d name='%s'",
3155                    wpa_s->ifname, dst_wpa_s->ifname, id_s, id_d, name);
3156
3157         ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
3158         if (ssid_s == NULL) {
3159                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3160                            "network id=%d", id_s);
3161                 return -1;
3162         }
3163
3164         ssid_d = wpa_config_get_network(dst_wpa_s->conf, id_d);
3165         if (ssid_d == NULL) {
3166                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3167                            "network id=%d", id_d);
3168                 return -1;
3169         }
3170
3171         value = wpa_config_get(ssid_s, name);
3172         if (value == NULL) {
3173                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3174                            "variable '%s'", name);
3175                 return -1;
3176         }
3177
3178         ret = wpa_supplicant_ctrl_iface_update_network(dst_wpa_s, ssid_d, name,
3179                                                        value);
3180
3181         os_free(value);
3182
3183         return ret;
3184 }
3185
3186
3187 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
3188                                                 char *buf, size_t buflen)
3189 {
3190         char *pos, *end;
3191         struct wpa_cred *cred;
3192         int ret;
3193
3194         pos = buf;
3195         end = buf + buflen;
3196         ret = os_snprintf(pos, end - pos,
3197                           "cred id / realm / username / domain / imsi\n");
3198         if (os_snprintf_error(end - pos, ret))
3199                 return pos - buf;
3200         pos += ret;
3201
3202         cred = wpa_s->conf->cred;
3203         while (cred) {
3204                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
3205                                   cred->id, cred->realm ? cred->realm : "",
3206                                   cred->username ? cred->username : "",
3207                                   cred->domain ? cred->domain[0] : "",
3208                                   cred->imsi ? cred->imsi : "");
3209                 if (os_snprintf_error(end - pos, ret))
3210                         return pos - buf;
3211                 pos += ret;
3212
3213                 cred = cred->next;
3214         }
3215
3216         return pos - buf;
3217 }
3218
3219
3220 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
3221                                               char *buf, size_t buflen)
3222 {
3223         struct wpa_cred *cred;
3224         int ret;
3225
3226         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
3227
3228         cred = wpa_config_add_cred(wpa_s->conf);
3229         if (cred == NULL)
3230                 return -1;
3231
3232         wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
3233
3234         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
3235         if (os_snprintf_error(buflen, ret))
3236                 return -1;
3237         return ret;
3238 }
3239
3240
3241 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
3242                                  struct wpa_cred *cred)
3243 {
3244         struct wpa_ssid *ssid;
3245         char str[20];
3246         int id;
3247
3248         if (cred == NULL) {
3249                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3250                 return -1;
3251         }
3252
3253         id = cred->id;
3254         if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
3255                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3256                 return -1;
3257         }
3258
3259         wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
3260
3261         /* Remove any network entry created based on the removed credential */
3262         ssid = wpa_s->conf->ssid;
3263         while (ssid) {
3264                 if (ssid->parent_cred == cred) {
3265                         int res;
3266
3267                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
3268                                    "used the removed credential", ssid->id);
3269                         res = os_snprintf(str, sizeof(str), "%d", ssid->id);
3270                         if (os_snprintf_error(sizeof(str), res))
3271                                 str[sizeof(str) - 1] = '\0';
3272                         ssid = ssid->next;
3273                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
3274                 } else
3275                         ssid = ssid->next;
3276         }
3277
3278         return 0;
3279 }
3280
3281
3282 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
3283                                                  char *cmd)
3284 {
3285         int id;
3286         struct wpa_cred *cred, *prev;
3287
3288         /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
3289          * "provisioning_sp=<FQDN> */
3290         if (os_strcmp(cmd, "all") == 0) {
3291                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
3292                 cred = wpa_s->conf->cred;
3293                 while (cred) {
3294                         prev = cred;
3295                         cred = cred->next;
3296                         wpas_ctrl_remove_cred(wpa_s, prev);
3297                 }
3298                 return 0;
3299         }
3300
3301         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
3302                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
3303                            cmd + 8);
3304                 cred = wpa_s->conf->cred;
3305                 while (cred) {
3306                         prev = cred;
3307                         cred = cred->next;
3308                         if (prev->domain) {
3309                                 size_t i;
3310                                 for (i = 0; i < prev->num_domain; i++) {
3311                                         if (os_strcmp(prev->domain[i], cmd + 8)
3312                                             != 0)
3313                                                 continue;
3314                                         wpas_ctrl_remove_cred(wpa_s, prev);
3315                                         break;
3316                                 }
3317                         }
3318                 }
3319                 return 0;
3320         }
3321
3322         if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
3323                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
3324                            cmd + 16);
3325                 cred = wpa_s->conf->cred;
3326                 while (cred) {
3327                         prev = cred;
3328                         cred = cred->next;
3329                         if (prev->provisioning_sp &&
3330                             os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
3331                                 wpas_ctrl_remove_cred(wpa_s, prev);
3332                 }
3333                 return 0;
3334         }
3335
3336         id = atoi(cmd);
3337         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
3338
3339         cred = wpa_config_get_cred(wpa_s->conf, id);
3340         return wpas_ctrl_remove_cred(wpa_s, cred);
3341 }
3342
3343
3344 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
3345                                               char *cmd)
3346 {
3347         int id;
3348         struct wpa_cred *cred;
3349         char *name, *value;
3350
3351         /* cmd: "<cred id> <variable name> <value>" */
3352         name = os_strchr(cmd, ' ');
3353         if (name == NULL)
3354                 return -1;
3355         *name++ = '\0';
3356
3357         value = os_strchr(name, ' ');
3358         if (value == NULL)
3359                 return -1;
3360         *value++ = '\0';
3361
3362         id = atoi(cmd);
3363         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
3364                    id, name);
3365         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3366                               (u8 *) value, os_strlen(value));
3367
3368         cred = wpa_config_get_cred(wpa_s->conf, id);
3369         if (cred == NULL) {
3370                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3371                            id);
3372                 return -1;
3373         }
3374
3375         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
3376                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
3377                            "variable '%s'", name);
3378                 return -1;
3379         }
3380
3381         wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
3382
3383         return 0;
3384 }
3385
3386
3387 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
3388                                               char *cmd, char *buf,
3389                                               size_t buflen)
3390 {
3391         int id;
3392         size_t res;
3393         struct wpa_cred *cred;
3394         char *name, *value;
3395
3396         /* cmd: "<cred id> <variable name>" */
3397         name = os_strchr(cmd, ' ');
3398         if (name == NULL)
3399                 return -1;
3400         *name++ = '\0';
3401
3402         id = atoi(cmd);
3403         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
3404                    id, name);
3405
3406         cred = wpa_config_get_cred(wpa_s->conf, id);
3407         if (cred == NULL) {
3408                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3409                            id);
3410                 return -1;
3411         }
3412
3413         value = wpa_config_get_cred_no_key(cred, name);
3414         if (value == NULL) {
3415                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
3416                            name);
3417                 return -1;
3418         }
3419
3420         res = os_strlcpy(buf, value, buflen);
3421         if (res >= buflen) {
3422                 os_free(value);
3423                 return -1;
3424         }
3425
3426         os_free(value);
3427
3428         return res;
3429 }
3430
3431
3432 #ifndef CONFIG_NO_CONFIG_WRITE
3433 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3434 {
3435         int ret;
3436
3437         if (!wpa_s->conf->update_config) {
3438                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3439                            "to update configuration (update_config=0)");
3440                 return -1;
3441         }
3442
3443         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3444         if (ret) {
3445                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3446                            "update configuration");
3447         } else {
3448                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3449                            " updated");
3450         }
3451
3452         return ret;
3453 }
3454 #endif /* CONFIG_NO_CONFIG_WRITE */
3455
3456
3457 struct cipher_info {
3458         unsigned int capa;
3459         const char *name;
3460         int group_only;
3461 };
3462
3463 static const struct cipher_info ciphers[] = {
3464         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3465         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3466         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3467         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3468         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3469         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3470         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3471         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3472 };
3473
3474 static const struct cipher_info ciphers_group_mgmt[] = {
3475         { WPA_DRIVER_CAPA_ENC_BIP, "AES-128-CMAC", 1 },
3476         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_128, "BIP-GMAC-128", 1 },
3477         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_256, "BIP-GMAC-256", 1 },
3478         { WPA_DRIVER_CAPA_ENC_BIP_CMAC_256, "BIP-CMAC-256", 1 },
3479 };
3480
3481
3482 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3483                                               struct wpa_driver_capa *capa,
3484                                               char *buf, size_t buflen)
3485 {
3486         int ret;
3487         char *pos, *end;
3488         size_t len;
3489         unsigned int i;
3490
3491         pos = buf;
3492         end = pos + buflen;
3493
3494         if (res < 0) {
3495                 if (strict)
3496                         return 0;
3497                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3498                 if (len >= buflen)
3499                         return -1;
3500                 return len;
3501         }
3502
3503         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3504                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3505                         ret = os_snprintf(pos, end - pos, "%s%s",
3506                                           pos == buf ? "" : " ",
3507                                           ciphers[i].name);
3508                         if (os_snprintf_error(end - pos, ret))
3509                                 return pos - buf;
3510                         pos += ret;
3511                 }
3512         }
3513
3514         return pos - buf;
3515 }
3516
3517
3518 static int ctrl_iface_get_capability_group(int res, char *strict,
3519                                            struct wpa_driver_capa *capa,
3520                                            char *buf, size_t buflen)
3521 {
3522         int ret;
3523         char *pos, *end;
3524         size_t len;
3525         unsigned int i;
3526
3527         pos = buf;
3528         end = pos + buflen;
3529
3530         if (res < 0) {
3531                 if (strict)
3532                         return 0;
3533                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3534                 if (len >= buflen)
3535                         return -1;
3536                 return len;
3537         }
3538
3539         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3540                 if (capa->enc & ciphers[i].capa) {
3541                         ret = os_snprintf(pos, end - pos, "%s%s",
3542                                           pos == buf ? "" : " ",
3543                                           ciphers[i].name);
3544                         if (os_snprintf_error(end - pos, ret))
3545                                 return pos - buf;
3546                         pos += ret;
3547                 }
3548         }
3549
3550         return pos - buf;
3551 }
3552
3553
3554 static int ctrl_iface_get_capability_group_mgmt(int res, char *strict,
3555                                                 struct wpa_driver_capa *capa,
3556                                                 char *buf, size_t buflen)
3557 {
3558         int ret;
3559         char *pos, *end;
3560         unsigned int i;
3561
3562         pos = buf;
3563         end = pos + buflen;
3564
3565         if (res < 0)
3566                 return 0;
3567
3568         for (i = 0; i < ARRAY_SIZE(ciphers_group_mgmt); i++) {
3569                 if (capa->enc & ciphers_group_mgmt[i].capa) {
3570                         ret = os_snprintf(pos, end - pos, "%s%s",
3571                                           pos == buf ? "" : " ",
3572                                           ciphers_group_mgmt[i].name);
3573                         if (os_snprintf_error(end - pos, ret))
3574                                 return pos - buf;
3575                         pos += ret;
3576                 }
3577         }
3578
3579         return pos - buf;
3580 }
3581
3582
3583 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3584                                               struct wpa_driver_capa *capa,
3585                                               char *buf, size_t buflen)
3586 {
3587         int ret;
3588         char *pos, *end;
3589         size_t len;
3590
3591         pos = buf;
3592         end = pos + buflen;
3593
3594         if (res < 0) {
3595                 if (strict)
3596                         return 0;
3597                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3598                                  "NONE", buflen);
3599                 if (len >= buflen)
3600                         return -1;
3601                 return len;
3602         }
3603
3604         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3605         if (os_snprintf_error(end - pos, ret))
3606                 return pos - buf;
3607         pos += ret;
3608
3609         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3610                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3611                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3612                 if (os_snprintf_error(end - pos, ret))
3613                         return pos - buf;
3614                 pos += ret;
3615         }
3616
3617         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3618                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3619                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3620                 if (os_snprintf_error(end - pos, ret))
3621                         return pos - buf;
3622                 pos += ret;
3623         }
3624
3625         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3626                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3627                 if (os_snprintf_error(end - pos, ret))
3628                         return pos - buf;
3629                 pos += ret;
3630         }
3631
3632 #ifdef CONFIG_SUITEB
3633         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B) {
3634                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B");
3635                 if (os_snprintf_error(end - pos, ret))
3636                         return pos - buf;
3637                 pos += ret;
3638         }
3639 #endif /* CONFIG_SUITEB */
3640 #ifdef CONFIG_SUITEB192
3641         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192) {
3642                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B-192");
3643                 if (os_snprintf_error(end - pos, ret))
3644                         return pos - buf;
3645                 pos += ret;
3646         }
3647 #endif /* CONFIG_SUITEB192 */
3648
3649         return pos - buf;
3650 }
3651
3652
3653 static int ctrl_iface_get_capability_proto(int res, char *strict,
3654                                            struct wpa_driver_capa *capa,
3655                                            char *buf, size_t buflen)
3656 {
3657         int ret;
3658         char *pos, *end;
3659         size_t len;
3660
3661         pos = buf;
3662         end = pos + buflen;
3663
3664         if (res < 0) {
3665                 if (strict)
3666                         return 0;
3667                 len = os_strlcpy(buf, "RSN WPA", buflen);
3668                 if (len >= buflen)
3669                         return -1;
3670                 return len;
3671         }
3672
3673         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3674                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3675                 ret = os_snprintf(pos, end - pos, "%sRSN",
3676                                   pos == buf ? "" : " ");
3677                 if (os_snprintf_error(end - pos, ret))
3678                         return pos - buf;
3679                 pos += ret;
3680         }
3681
3682         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3683                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3684                 ret = os_snprintf(pos, end - pos, "%sWPA",
3685                                   pos == buf ? "" : " ");
3686                 if (os_snprintf_error(end - pos, ret))
3687                         return pos - buf;
3688                 pos += ret;
3689         }
3690
3691         return pos - buf;
3692 }
3693
3694
3695 static int ctrl_iface_get_capability_auth_alg(struct wpa_supplicant *wpa_s,
3696                                               int res, char *strict,
3697                                               struct wpa_driver_capa *capa,
3698                                               char *buf, size_t buflen)
3699 {
3700         int ret;
3701         char *pos, *end;
3702         size_t len;
3703
3704         pos = buf;
3705         end = pos + buflen;
3706
3707         if (res < 0) {
3708                 if (strict)
3709                         return 0;
3710                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3711                 if (len >= buflen)
3712                         return -1;
3713                 return len;
3714         }
3715
3716         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3717                 ret = os_snprintf(pos, end - pos, "%sOPEN",
3718                                   pos == buf ? "" : " ");
3719                 if (os_snprintf_error(end - pos, ret))
3720                         return pos - buf;
3721                 pos += ret;
3722         }
3723
3724         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3725                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3726                                   pos == buf ? "" : " ");
3727                 if (os_snprintf_error(end - pos, ret))
3728                         return pos - buf;
3729                 pos += ret;
3730         }
3731
3732         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3733                 ret = os_snprintf(pos, end - pos, "%sLEAP",
3734                                   pos == buf ? "" : " ");
3735                 if (os_snprintf_error(end - pos, ret))
3736                         return pos - buf;
3737                 pos += ret;
3738         }
3739
3740 #ifdef CONFIG_SAE
3741         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE) {
3742                 ret = os_snprintf(pos, end - pos, "%sSAE",
3743                                   pos == buf ? "" : " ");
3744                 if (os_snprintf_error(end - pos, ret))
3745                         return pos - buf;
3746                 pos += ret;
3747         }
3748 #endif /* CONFIG_SAE */
3749
3750         return pos - buf;
3751 }
3752
3753
3754 static int ctrl_iface_get_capability_modes(int res, char *strict,
3755                                            struct wpa_driver_capa *capa,
3756                                            char *buf, size_t buflen)
3757 {
3758         int ret;
3759         char *pos, *end;
3760         size_t len;
3761
3762         pos = buf;
3763         end = pos + buflen;
3764
3765         if (res < 0) {
3766                 if (strict)
3767                         return 0;
3768                 len = os_strlcpy(buf, "IBSS AP", buflen);
3769                 if (len >= buflen)
3770                         return -1;
3771                 return len;
3772         }
3773
3774         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3775                 ret = os_snprintf(pos, end - pos, "%sIBSS",
3776                                   pos == buf ? "" : " ");
3777                 if (os_snprintf_error(end - pos, ret))
3778                         return pos - buf;
3779                 pos += ret;
3780         }
3781
3782         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3783                 ret = os_snprintf(pos, end - pos, "%sAP",
3784                                   pos == buf ? "" : " ");
3785                 if (os_snprintf_error(end - pos, ret))
3786                         return pos - buf;
3787                 pos += ret;
3788         }
3789
3790 #ifdef CONFIG_MESH
3791         if (capa->flags & WPA_DRIVER_FLAGS_MESH) {
3792                 ret = os_snprintf(pos, end - pos, "%sMESH",
3793                                   pos == buf ? "" : " ");
3794                 if (os_snprintf_error(end - pos, ret))
3795                         return pos - buf;
3796                 pos += ret;
3797         }
3798 #endif /* CONFIG_MESH */
3799
3800         return pos - buf;
3801 }
3802
3803
3804 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3805                                               char *buf, size_t buflen)
3806 {
3807         struct hostapd_channel_data *chnl;
3808         int ret, i, j;
3809         char *pos, *end, *hmode;
3810
3811         pos = buf;
3812         end = pos + buflen;
3813
3814         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3815                 switch (wpa_s->hw.modes[j].mode) {
3816                 case HOSTAPD_MODE_IEEE80211B:
3817                         hmode = "B";
3818                         break;
3819                 case HOSTAPD_MODE_IEEE80211G:
3820                         hmode = "G";
3821                         break;
3822                 case HOSTAPD_MODE_IEEE80211A:
3823                         hmode = "A";
3824                         break;
3825                 case HOSTAPD_MODE_IEEE80211AD:
3826                         hmode = "AD";
3827                         break;
3828                 default:
3829                         continue;
3830                 }
3831                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3832                 if (os_snprintf_error(end - pos, ret))
3833                         return pos - buf;
3834                 pos += ret;
3835                 chnl = wpa_s->hw.modes[j].channels;
3836                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3837                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3838                                 continue;
3839                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3840                         if (os_snprintf_error(end - pos, ret))
3841                                 return pos - buf;
3842                         pos += ret;
3843                 }
3844                 ret = os_snprintf(pos, end - pos, "\n");
3845                 if (os_snprintf_error(end - pos, ret))
3846                         return pos - buf;
3847                 pos += ret;
3848         }
3849
3850         return pos - buf;
3851 }
3852
3853
3854 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3855                                           char *buf, size_t buflen)
3856 {
3857         struct hostapd_channel_data *chnl;
3858         int ret, i, j;
3859         char *pos, *end, *hmode;
3860
3861         pos = buf;
3862         end = pos + buflen;
3863
3864         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3865                 switch (wpa_s->hw.modes[j].mode) {
3866                 case HOSTAPD_MODE_IEEE80211B:
3867                         hmode = "B";
3868                         break;
3869                 case HOSTAPD_MODE_IEEE80211G:
3870                         hmode = "G";
3871                         break;
3872                 case HOSTAPD_MODE_IEEE80211A:
3873                         hmode = "A";
3874                         break;
3875                 case HOSTAPD_MODE_IEEE80211AD:
3876                         hmode = "AD";
3877                         break;
3878                 default:
3879                         continue;
3880                 }
3881                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3882                                   hmode);
3883                 if (os_snprintf_error(end - pos, ret))
3884                         return pos - buf;
3885                 pos += ret;
3886                 chnl = wpa_s->hw.modes[j].channels;
3887                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3888                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3889                                 continue;
3890                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3891                                           chnl[i].chan, chnl[i].freq,
3892                                           chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
3893                                           " (NO_IR)" : "",
3894                                           chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3895                                           " (DFS)" : "");
3896
3897                         if (os_snprintf_error(end - pos, ret))
3898                                 return pos - buf;
3899                         pos += ret;
3900                 }
3901                 ret = os_snprintf(pos, end - pos, "\n");
3902                 if (os_snprintf_error(end - pos, ret))
3903                         return pos - buf;
3904                 pos += ret;
3905         }
3906
3907         return pos - buf;
3908 }
3909
3910
3911 static int wpa_supplicant_ctrl_iface_get_capability(
3912         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3913         size_t buflen)
3914 {
3915         struct wpa_driver_capa capa;
3916         int res;
3917         char *strict;
3918         char field[30];
3919         size_t len;
3920
3921         /* Determine whether or not strict checking was requested */
3922         len = os_strlcpy(field, _field, sizeof(field));
3923         if (len >= sizeof(field))
3924                 return -1;
3925         strict = os_strchr(field, ' ');
3926         if (strict != NULL) {
3927                 *strict++ = '\0';
3928                 if (os_strcmp(strict, "strict") != 0)
3929                         return -1;
3930         }
3931
3932         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3933                 field, strict ? strict : "");
3934
3935         if (os_strcmp(field, "eap") == 0) {
3936                 return eap_get_names(buf, buflen);
3937         }
3938
3939         res = wpa_drv_get_capa(wpa_s, &capa);
3940
3941         if (os_strcmp(field, "pairwise") == 0)
3942                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3943                                                           buf, buflen);
3944
3945         if (os_strcmp(field, "group") == 0)
3946                 return ctrl_iface_get_capability_group(res, strict, &capa,
3947                                                        buf, buflen);
3948
3949         if (os_strcmp(field, "group_mgmt") == 0)
3950                 return ctrl_iface_get_capability_group_mgmt(res, strict, &capa,
3951                                                             buf, buflen);
3952
3953         if (os_strcmp(field, "key_mgmt") == 0)
3954                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3955                                                           buf, buflen);
3956
3957         if (os_strcmp(field, "proto") == 0)
3958                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3959                                                        buf, buflen);
3960
3961         if (os_strcmp(field, "auth_alg") == 0)
3962                 return ctrl_iface_get_capability_auth_alg(wpa_s, res, strict,
3963                                                           &capa, buf, buflen);
3964
3965         if (os_strcmp(field, "modes") == 0)
3966                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3967                                                        buf, buflen);
3968
3969         if (os_strcmp(field, "channels") == 0)
3970                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3971
3972         if (os_strcmp(field, "freq") == 0)
3973                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3974
3975 #ifdef CONFIG_TDLS
3976         if (os_strcmp(field, "tdls") == 0)
3977                 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3978 #endif /* CONFIG_TDLS */
3979
3980 #ifdef CONFIG_ERP
3981         if (os_strcmp(field, "erp") == 0) {
3982                 res = os_snprintf(buf, buflen, "ERP");
3983                 if (os_snprintf_error(buflen, res))
3984                         return -1;
3985                 return res;
3986         }
3987 #endif /* CONFIG_EPR */
3988
3989 #ifdef CONFIG_FIPS
3990         if (os_strcmp(field, "fips") == 0) {
3991                 res = os_snprintf(buf, buflen, "FIPS");
3992                 if (os_snprintf_error(buflen, res))
3993                         return -1;
3994                 return res;
3995         }
3996 #endif /* CONFIG_FIPS */
3997
3998 #ifdef CONFIG_ACS
3999         if (os_strcmp(field, "acs") == 0) {
4000                 res = os_snprintf(buf, buflen, "ACS");
4001                 if (os_snprintf_error(buflen, res))
4002                         return -1;
4003                 return res;
4004         }
4005 #endif /* CONFIG_ACS */
4006
4007         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
4008                    field);
4009
4010         return -1;
4011 }
4012
4013
4014 #ifdef CONFIG_INTERWORKING
4015 static char * anqp_add_hex(char *pos, char *end, const char *title,
4016                            struct wpabuf *data)
4017 {
4018         char *start = pos;
4019         size_t i;
4020         int ret;
4021         const u8 *d;
4022
4023         if (data == NULL)
4024                 return start;
4025
4026         ret = os_snprintf(pos, end - pos, "%s=", title);
4027         if (os_snprintf_error(end - pos, ret))
4028                 return start;
4029         pos += ret;
4030
4031         d = wpabuf_head_u8(data);
4032         for (i = 0; i < wpabuf_len(data); i++) {
4033                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
4034                 if (os_snprintf_error(end - pos, ret))
4035                         return start;
4036                 pos += ret;
4037         }
4038
4039         ret = os_snprintf(pos, end - pos, "\n");
4040         if (os_snprintf_error(end - pos, ret))
4041                 return start;
4042         pos += ret;
4043
4044         return pos;
4045 }
4046 #endif /* CONFIG_INTERWORKING */
4047
4048
4049 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
4050                           unsigned long mask, char *buf, size_t buflen)
4051 {
4052         size_t i;
4053         int ret;
4054         char *pos, *end;
4055         const u8 *ie, *ie2, *osen_ie;
4056
4057         pos = buf;
4058         end = buf + buflen;
4059
4060         if (mask & WPA_BSS_MASK_ID) {
4061                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
4062                 if (os_snprintf_error(end - pos, ret))
4063                         return 0;
4064                 pos += ret;
4065         }
4066
4067         if (mask & WPA_BSS_MASK_BSSID) {
4068                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
4069                                   MAC2STR(bss->bssid));
4070                 if (os_snprintf_error(end - pos, ret))
4071                         return 0;
4072                 pos += ret;
4073         }
4074
4075         if (mask & WPA_BSS_MASK_FREQ) {
4076                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
4077                 if (os_snprintf_error(end - pos, ret))
4078                         return 0;
4079                 pos += ret;
4080         }
4081
4082         if (mask & WPA_BSS_MASK_BEACON_INT) {
4083                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
4084                                   bss->beacon_int);
4085                 if (os_snprintf_error(end - pos, ret))
4086                         return 0;
4087                 pos += ret;
4088         }
4089
4090         if (mask & WPA_BSS_MASK_CAPABILITIES) {
4091                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
4092                                   bss->caps);
4093                 if (os_snprintf_error(end - pos, ret))
4094                         return 0;
4095                 pos += ret;
4096         }
4097
4098         if (mask & WPA_BSS_MASK_QUAL) {
4099                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
4100                 if (os_snprintf_error(end - pos, ret))
4101                         return 0;
4102                 pos += ret;
4103         }
4104
4105         if (mask & WPA_BSS_MASK_NOISE) {
4106                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
4107                 if (os_snprintf_error(end - pos, ret))
4108                         return 0;
4109                 pos += ret;
4110         }
4111
4112         if (mask & WPA_BSS_MASK_LEVEL) {
4113                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
4114                 if (os_snprintf_error(end - pos, ret))
4115                         return 0;
4116                 pos += ret;
4117         }
4118
4119         if (mask & WPA_BSS_MASK_TSF) {
4120                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
4121                                   (unsigned long long) bss->tsf);
4122                 if (os_snprintf_error(end - pos, ret))
4123                         return 0;
4124                 pos += ret;
4125         }
4126
4127         if (mask & WPA_BSS_MASK_AGE) {
4128                 struct os_reltime now;
4129
4130                 os_get_reltime(&now);
4131                 ret = os_snprintf(pos, end - pos, "age=%d\n",
4132                                   (int) (now.sec - bss->last_update.sec));
4133                 if (os_snprintf_error(end - pos, ret))
4134                         return 0;
4135                 pos += ret;
4136         }
4137
4138         if (mask & WPA_BSS_MASK_IE) {
4139                 ret = os_snprintf(pos, end - pos, "ie=");
4140                 if (os_snprintf_error(end - pos, ret))
4141                         return 0;
4142                 pos += ret;
4143
4144                 ie = (const u8 *) (bss + 1);
4145                 for (i = 0; i < bss->ie_len; i++) {
4146                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4147                         if (os_snprintf_error(end - pos, ret))
4148                                 return 0;
4149                         pos += ret;
4150                 }
4151
4152                 ret = os_snprintf(pos, end - pos, "\n");
4153                 if (os_snprintf_error(end - pos, ret))
4154                         return 0;
4155                 pos += ret;
4156         }
4157
4158         if (mask & WPA_BSS_MASK_FLAGS) {
4159                 ret = os_snprintf(pos, end - pos, "flags=");
4160                 if (os_snprintf_error(end - pos, ret))
4161                         return 0;
4162                 pos += ret;
4163
4164                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
4165                 if (ie)
4166                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
4167                                                     2 + ie[1]);
4168                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4169                 if (ie2)
4170                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
4171                                                     2 + ie2[1]);
4172                 osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
4173                 if (osen_ie)
4174                         pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
4175                                                     osen_ie, 2 + osen_ie[1]);
4176                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
4177                 if (!ie && !ie2 && !osen_ie &&
4178                     (bss->caps & IEEE80211_CAP_PRIVACY)) {
4179                         ret = os_snprintf(pos, end - pos, "[WEP]");
4180                         if (os_snprintf_error(end - pos, ret))
4181                                 return 0;
4182                         pos += ret;
4183                 }
4184                 if (bss_is_dmg(bss)) {
4185                         const char *s;
4186                         ret = os_snprintf(pos, end - pos, "[DMG]");
4187                         if (os_snprintf_error(end - pos, ret))
4188                                 return 0;
4189                         pos += ret;
4190                         switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
4191                         case IEEE80211_CAP_DMG_IBSS:
4192                                 s = "[IBSS]";
4193                                 break;
4194                         case IEEE80211_CAP_DMG_AP:
4195                                 s = "[ESS]";
4196                                 break;
4197                         case IEEE80211_CAP_DMG_PBSS:
4198                                 s = "[PBSS]";
4199                                 break;
4200                         default:
4201                                 s = "";
4202                                 break;
4203                         }
4204                         ret = os_snprintf(pos, end - pos, "%s", s);
4205                         if (os_snprintf_error(end - pos, ret))
4206                                 return 0;
4207                         pos += ret;
4208                 } else {
4209                         if (bss->caps & IEEE80211_CAP_IBSS) {
4210                                 ret = os_snprintf(pos, end - pos, "[IBSS]");
4211                                 if (os_snprintf_error(end - pos, ret))
4212                                         return 0;
4213                                 pos += ret;
4214                         }
4215                         if (bss->caps & IEEE80211_CAP_ESS) {
4216                                 ret = os_snprintf(pos, end - pos, "[ESS]");
4217                                 if (os_snprintf_error(end - pos, ret))
4218                                         return 0;
4219                                 pos += ret;
4220                         }
4221                 }
4222                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
4223                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
4224                         ret = os_snprintf(pos, end - pos, "[P2P]");
4225                         if (os_snprintf_error(end - pos, ret))
4226                                 return 0;
4227                         pos += ret;
4228                 }
4229 #ifdef CONFIG_HS20
4230                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
4231                         ret = os_snprintf(pos, end - pos, "[HS20]");
4232                         if (os_snprintf_error(end - pos, ret))
4233                                 return 0;
4234                         pos += ret;
4235                 }
4236 #endif /* CONFIG_HS20 */
4237
4238                 ret = os_snprintf(pos, end - pos, "\n");
4239                 if (os_snprintf_error(end - pos, ret))
4240                         return 0;
4241                 pos += ret;
4242         }
4243
4244         if (mask & WPA_BSS_MASK_SSID) {
4245                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
4246                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
4247                 if (os_snprintf_error(end - pos, ret))
4248                         return 0;
4249                 pos += ret;
4250         }
4251
4252 #ifdef CONFIG_WPS
4253         if (mask & WPA_BSS_MASK_WPS_SCAN) {
4254                 ie = (const u8 *) (bss + 1);
4255                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
4256                 if (ret >= end - pos)
4257                         return 0;
4258                 if (ret > 0)
4259                         pos += ret;
4260         }
4261 #endif /* CONFIG_WPS */
4262
4263 #ifdef CONFIG_P2P
4264         if (mask & WPA_BSS_MASK_P2P_SCAN) {
4265                 ie = (const u8 *) (bss + 1);
4266                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
4267                 if (ret < 0 || ret >= end - pos)
4268                         return 0;
4269                 pos += ret;
4270         }
4271 #endif /* CONFIG_P2P */
4272
4273 #ifdef CONFIG_WIFI_DISPLAY
4274         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
4275                 struct wpabuf *wfd;
4276                 ie = (const u8 *) (bss + 1);
4277                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
4278                                                   WFD_IE_VENDOR_TYPE);
4279                 if (wfd) {
4280                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
4281                         if (os_snprintf_error(end - pos, ret)) {
4282                                 wpabuf_free(wfd);
4283                                 return 0;
4284                         }
4285                         pos += ret;
4286
4287                         pos += wpa_snprintf_hex(pos, end - pos,
4288                                                 wpabuf_head(wfd),
4289                                                 wpabuf_len(wfd));
4290                         wpabuf_free(wfd);
4291
4292                         ret = os_snprintf(pos, end - pos, "\n");
4293                         if (os_snprintf_error(end - pos, ret))
4294                                 return 0;
4295                         pos += ret;
4296                 }
4297         }
4298 #endif /* CONFIG_WIFI_DISPLAY */
4299
4300 #ifdef CONFIG_INTERWORKING
4301         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
4302                 struct wpa_bss_anqp *anqp = bss->anqp;
4303                 struct wpa_bss_anqp_elem *elem;
4304
4305                 pos = anqp_add_hex(pos, end, "anqp_capability_list",
4306                                    anqp->capability_list);
4307                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
4308                                    anqp->venue_name);
4309                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4310                                    anqp->network_auth_type);
4311                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4312                                    anqp->roaming_consortium);
4313                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4314                                    anqp->ip_addr_type_availability);
4315                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4316                                    anqp->nai_realm);
4317                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4318                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
4319                                    anqp->domain_name);
4320 #ifdef CONFIG_HS20
4321                 pos = anqp_add_hex(pos, end, "hs20_capability_list",
4322                                    anqp->hs20_capability_list);
4323                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4324                                    anqp->hs20_operator_friendly_name);
4325                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4326                                    anqp->hs20_wan_metrics);
4327                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4328                                    anqp->hs20_connection_capability);
4329                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
4330                                    anqp->hs20_operating_class);
4331                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4332                                    anqp->hs20_osu_providers_list);
4333 #endif /* CONFIG_HS20 */
4334
4335                 dl_list_for_each(elem, &anqp->anqp_elems,
4336                                  struct wpa_bss_anqp_elem, list) {
4337                         char title[20];
4338
4339                         os_snprintf(title, sizeof(title), "anqp[%u]",
4340                                     elem->infoid);
4341                         pos = anqp_add_hex(pos, end, title, elem->payload);
4342                 }
4343         }
4344 #endif /* CONFIG_INTERWORKING */
4345
4346 #ifdef CONFIG_MESH
4347         if (mask & WPA_BSS_MASK_MESH_SCAN) {
4348                 ie = (const u8 *) (bss + 1);
4349                 ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4350                 if (ret < 0 || ret >= end - pos)
4351                         return 0;
4352                 pos += ret;
4353         }
4354 #endif /* CONFIG_MESH */
4355
4356         if (mask & WPA_BSS_MASK_SNR) {
4357                 ret = os_snprintf(pos, end - pos, "snr=%d\n", bss->snr);
4358                 if (os_snprintf_error(end - pos, ret))
4359                         return 0;
4360                 pos += ret;
4361         }
4362
4363         if (mask & WPA_BSS_MASK_EST_THROUGHPUT) {
4364                 ret = os_snprintf(pos, end - pos, "est_throughput=%d\n",
4365                                   bss->est_throughput);
4366                 if (os_snprintf_error(end - pos, ret))
4367                         return 0;
4368                 pos += ret;
4369         }
4370
4371 #ifdef CONFIG_FST
4372         if (mask & WPA_BSS_MASK_FST) {
4373                 ret = fst_ctrl_iface_mb_info(bss->bssid, pos, end - pos);
4374                 if (ret < 0 || ret >= end - pos)
4375                         return 0;
4376                 pos += ret;
4377         }
4378 #endif /* CONFIG_FST */
4379
4380         if (mask & WPA_BSS_MASK_DELIM) {
4381                 ret = os_snprintf(pos, end - pos, "====\n");
4382                 if (os_snprintf_error(end - pos, ret))
4383                         return 0;
4384                 pos += ret;
4385         }
4386
4387         return pos - buf;
4388 }
4389
4390
4391 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
4392                                          const char *cmd, char *buf,
4393                                          size_t buflen)
4394 {
4395         u8 bssid[ETH_ALEN];
4396         size_t i;
4397         struct wpa_bss *bss;
4398         struct wpa_bss *bsslast = NULL;
4399         struct dl_list *next;
4400         int ret = 0;
4401         int len;
4402         char *ctmp, *end = buf + buflen;
4403         unsigned long mask = WPA_BSS_MASK_ALL;
4404
4405         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
4406                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
4407                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
4408                                             list_id);
4409                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
4410                                                list_id);
4411                 } else { /* N1-N2 */
4412                         unsigned int id1, id2;
4413
4414                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
4415                                 wpa_printf(MSG_INFO, "Wrong BSS range "
4416                                            "format");
4417                                 return 0;
4418                         }
4419
4420                         if (*(cmd + 6) == '-')
4421                                 id1 = 0;
4422                         else
4423                                 id1 = atoi(cmd + 6);
4424                         ctmp++;
4425                         if (*ctmp >= '0' && *ctmp <= '9')
4426                                 id2 = atoi(ctmp);
4427                         else
4428                                 id2 = (unsigned int) -1;
4429                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4430                         if (id2 == (unsigned int) -1)
4431                                 bsslast = dl_list_last(&wpa_s->bss_id,
4432                                                        struct wpa_bss,
4433                                                        list_id);
4434                         else {
4435                                 bsslast = wpa_bss_get_id(wpa_s, id2);
4436                                 if (bsslast == NULL && bss && id2 > id1) {
4437                                         struct wpa_bss *tmp = bss;
4438                                         for (;;) {
4439                                                 next = tmp->list_id.next;
4440                                                 if (next == &wpa_s->bss_id)
4441                                                         break;
4442                                                 tmp = dl_list_entry(
4443                                                         next, struct wpa_bss,
4444                                                         list_id);
4445                                                 if (tmp->id > id2)
4446                                                         break;
4447                                                 bsslast = tmp;
4448                                         }
4449                                 }
4450                         }
4451                 }
4452         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
4453                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4454         else if (os_strncmp(cmd, "LAST", 4) == 0)
4455                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4456         else if (os_strncmp(cmd, "ID-", 3) == 0) {
4457                 i = atoi(cmd + 3);
4458                 bss = wpa_bss_get_id(wpa_s, i);
4459         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4460                 i = atoi(cmd + 5);
4461                 bss = wpa_bss_get_id(wpa_s, i);
4462                 if (bss) {
4463                         next = bss->list_id.next;
4464                         if (next == &wpa_s->bss_id)
4465                                 bss = NULL;
4466                         else
4467                                 bss = dl_list_entry(next, struct wpa_bss,
4468                                                     list_id);
4469                 }
4470 #ifdef CONFIG_P2P
4471         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4472                 if (hwaddr_aton(cmd + 13, bssid) == 0)
4473                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4474                 else
4475                         bss = NULL;
4476 #endif /* CONFIG_P2P */
4477         } else if (hwaddr_aton(cmd, bssid) == 0)
4478                 bss = wpa_bss_get_bssid(wpa_s, bssid);
4479         else {
4480                 struct wpa_bss *tmp;
4481                 i = atoi(cmd);
4482                 bss = NULL;
4483                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4484                 {
4485                         if (i-- == 0) {
4486                                 bss = tmp;
4487                                 break;
4488                         }
4489                 }
4490         }
4491
4492         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4493                 mask = strtoul(ctmp + 5, NULL, 0x10);
4494                 if (mask == 0)
4495                         mask = WPA_BSS_MASK_ALL;
4496         }
4497
4498         if (bss == NULL)
4499                 return 0;
4500
4501         if (bsslast == NULL)
4502                 bsslast = bss;
4503         do {
4504                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4505                 ret += len;
4506                 buf += len;
4507                 buflen -= len;
4508                 if (bss == bsslast) {
4509                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
4510                             (bss == dl_list_last(&wpa_s->bss_id,
4511                                                  struct wpa_bss, list_id))) {
4512                                 int res;
4513
4514                                 res = os_snprintf(buf - 5, end - buf + 5,
4515                                                   "####\n");
4516                                 if (os_snprintf_error(end - buf + 5, res)) {
4517                                         wpa_printf(MSG_DEBUG,
4518                                                    "Could not add end delim");
4519                                 }
4520                         }
4521                         break;
4522                 }
4523                 next = bss->list_id.next;
4524                 if (next == &wpa_s->bss_id)
4525                         break;
4526                 bss = dl_list_entry(next, struct wpa_bss, list_id);
4527         } while (bss && len);
4528
4529         return ret;
4530 }
4531
4532
4533 static int wpa_supplicant_ctrl_iface_ap_scan(
4534         struct wpa_supplicant *wpa_s, char *cmd)
4535 {
4536         int ap_scan = atoi(cmd);
4537         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4538 }
4539
4540
4541 static int wpa_supplicant_ctrl_iface_scan_interval(
4542         struct wpa_supplicant *wpa_s, char *cmd)
4543 {
4544         int scan_int = atoi(cmd);
4545         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4546 }
4547
4548
4549 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4550         struct wpa_supplicant *wpa_s, char *cmd)
4551 {
4552         int expire_age = atoi(cmd);
4553         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4554 }
4555
4556
4557 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4558         struct wpa_supplicant *wpa_s, char *cmd)
4559 {
4560         int expire_count = atoi(cmd);
4561         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4562 }
4563
4564
4565 static void wpa_supplicant_ctrl_iface_bss_flush(
4566         struct wpa_supplicant *wpa_s, char *cmd)
4567 {
4568         int flush_age = atoi(cmd);
4569
4570         if (flush_age == 0)
4571                 wpa_bss_flush(wpa_s);
4572         else
4573                 wpa_bss_flush_by_age(wpa_s, flush_age);
4574 }
4575
4576
4577 #ifdef CONFIG_TESTING_OPTIONS
4578 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4579 {
4580         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4581         /* MLME-DELETEKEYS.request */
4582         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4583         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4584         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4585         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4586 #ifdef CONFIG_IEEE80211W
4587         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4588         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4589 #endif /* CONFIG_IEEE80211W */
4590
4591         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4592                         0);
4593         /* MLME-SETPROTECTION.request(None) */
4594         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4595                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4596                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4597         wpa_sm_drop_sa(wpa_s->wpa);
4598 }
4599 #endif /* CONFIG_TESTING_OPTIONS */
4600
4601
4602 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4603                                           char *addr)
4604 {
4605 #ifdef CONFIG_NO_SCAN_PROCESSING
4606         return -1;
4607 #else /* CONFIG_NO_SCAN_PROCESSING */
4608         u8 bssid[ETH_ALEN];
4609         struct wpa_bss *bss;
4610         struct wpa_ssid *ssid = wpa_s->current_ssid;
4611
4612         if (hwaddr_aton(addr, bssid)) {
4613                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4614                            "address '%s'", addr);
4615                 return -1;
4616         }
4617
4618         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4619
4620         if (!ssid) {
4621                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4622                            "configuration known for the target AP");
4623                 return -1;
4624         }
4625
4626         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4627         if (!bss) {
4628                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4629                            "from BSS table");
4630                 return -1;
4631         }
4632
4633         /*
4634          * TODO: Find best network configuration block from configuration to
4635          * allow roaming to other networks
4636          */
4637
4638         wpa_s->reassociate = 1;
4639         wpa_supplicant_connect(wpa_s, bss, ssid);
4640
4641         return 0;
4642 #endif /* CONFIG_NO_SCAN_PROCESSING */
4643 }
4644
4645
4646 #ifdef CONFIG_P2P
4647 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4648 {
4649         unsigned int timeout = atoi(cmd);
4650         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4651         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4652         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4653         char *pos;
4654         unsigned int search_delay;
4655         const char *_seek[P2P_MAX_QUERY_HASH + 1], **seek = NULL;
4656         u8 seek_count = 0;
4657         int freq = 0;
4658
4659         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4660                 wpa_dbg(wpa_s, MSG_INFO,
4661                         "Reject P2P_FIND since interface is disabled");
4662                 return -1;
4663         }
4664         if (os_strstr(cmd, "type=social"))
4665                 type = P2P_FIND_ONLY_SOCIAL;
4666         else if (os_strstr(cmd, "type=progressive"))
4667                 type = P2P_FIND_PROGRESSIVE;
4668
4669         pos = os_strstr(cmd, "dev_id=");
4670         if (pos) {
4671                 pos += 7;
4672                 if (hwaddr_aton(pos, dev_id))
4673                         return -1;
4674                 _dev_id = dev_id;
4675         }
4676
4677         pos = os_strstr(cmd, "dev_type=");
4678         if (pos) {
4679                 pos += 9;
4680                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4681                         return -1;
4682                 _dev_type = dev_type;
4683         }
4684
4685         pos = os_strstr(cmd, "delay=");
4686         if (pos) {
4687                 pos += 6;
4688                 search_delay = atoi(pos);
4689         } else
4690                 search_delay = wpas_p2p_search_delay(wpa_s);
4691
4692         pos = os_strstr(cmd, "freq=");
4693         if (pos) {
4694                 pos += 5;
4695                 freq = atoi(pos);
4696                 if (freq <= 0)
4697                         return -1;
4698         }
4699
4700         /* Must be searched for last, because it adds nul termination */
4701         pos = os_strstr(cmd, " seek=");
4702         if (pos)
4703                 pos += 6;
4704         while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
4705                 char *term;
4706
4707                 _seek[seek_count++] = pos;
4708                 seek = _seek;
4709                 term = os_strchr(pos, ' ');
4710                 if (!term)
4711                         break;
4712                 *term = '\0';
4713                 pos = os_strstr(term + 1, "seek=");
4714                 if (pos)
4715                         pos += 5;
4716         }
4717         if (seek_count > P2P_MAX_QUERY_HASH) {
4718                 seek[0] = NULL;
4719                 seek_count = 1;
4720         }
4721
4722         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4723                              _dev_id, search_delay, seek_count, seek, freq);
4724 }
4725
4726
4727 static int p2ps_ctrl_parse_cpt_priority(const char *pos, u8 *cpt)
4728 {
4729         const char *last = NULL;
4730         const char *token;
4731         long int token_len;
4732         unsigned int i;
4733
4734         /* Expected predefined CPT names delimited by ':' */
4735         for (i = 0; (token = cstr_token(pos, ": \t", &last)); i++) {
4736                 if (i >= P2PS_FEATURE_CAPAB_CPT_MAX) {
4737                         wpa_printf(MSG_ERROR,
4738                                    "P2PS: CPT name list is too long, expected up to %d names",
4739                                    P2PS_FEATURE_CAPAB_CPT_MAX);
4740                         cpt[0] = 0;
4741                         return -1;
4742                 }
4743
4744                 token_len = last - token;
4745
4746                 if (token_len  == 3 &&
4747                     os_memcmp(token, "UDP", token_len) == 0) {
4748                         cpt[i] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4749                 } else if (token_len == 3 &&
4750                            os_memcmp(token, "MAC", token_len) == 0) {
4751                         cpt[i] = P2PS_FEATURE_CAPAB_MAC_TRANSPORT;
4752                 } else {
4753                         wpa_printf(MSG_ERROR,
4754                                    "P2PS: Unsupported CPT name '%s'", token);
4755                         cpt[0] = 0;
4756                         return -1;
4757                 }
4758
4759                 if (isblank((unsigned char) *last)) {
4760                         i++;
4761                         break;
4762                 }
4763         }
4764         cpt[i] = 0;
4765         return 0;
4766 }
4767
4768
4769 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
4770 {
4771         struct p2ps_provision *p2ps_prov;
4772         char *pos;
4773         size_t info_len = 0;
4774         char *info = NULL;
4775         u8 role = P2PS_SETUP_NONE;
4776         long long unsigned val;
4777         int i;
4778
4779         pos = os_strstr(cmd, "info=");
4780         if (pos) {
4781                 pos += 5;
4782                 info_len = os_strlen(pos);
4783
4784                 if (info_len) {
4785                         info = os_malloc(info_len + 1);
4786                         if (info) {
4787                                 info_len = utf8_unescape(pos, info_len,
4788                                                          info, info_len + 1);
4789                         } else
4790                                 info_len = 0;
4791                 }
4792         }
4793
4794         p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
4795         if (p2ps_prov == NULL) {
4796                 os_free(info);
4797                 return NULL;
4798         }
4799
4800         if (info) {
4801                 os_memcpy(p2ps_prov->info, info, info_len);
4802                 p2ps_prov->info[info_len] = '\0';
4803                 os_free(info);
4804         }
4805
4806         pos = os_strstr(cmd, "status=");
4807         if (pos)
4808                 p2ps_prov->status = atoi(pos + 7);
4809         else
4810                 p2ps_prov->status = -1;
4811
4812         pos = os_strstr(cmd, "adv_id=");
4813         if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
4814                 goto invalid_args;
4815         p2ps_prov->adv_id = val;
4816
4817         pos = os_strstr(cmd, "method=");
4818         if (pos)
4819                 p2ps_prov->method = strtol(pos + 7, NULL, 16);
4820         else
4821                 p2ps_prov->method = 0;
4822
4823         pos = os_strstr(cmd, "session=");
4824         if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
4825                 goto invalid_args;
4826         p2ps_prov->session_id = val;
4827
4828         pos = os_strstr(cmd, "adv_mac=");
4829         if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
4830                 goto invalid_args;
4831
4832         pos = os_strstr(cmd, "session_mac=");
4833         if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
4834                 goto invalid_args;
4835
4836         pos = os_strstr(cmd, "cpt=");
4837         if (pos) {
4838                 if (p2ps_ctrl_parse_cpt_priority(pos + 4,
4839                                                  p2ps_prov->cpt_priority))
4840                         goto invalid_args;
4841         } else {
4842                 p2ps_prov->cpt_priority[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4843         }
4844
4845         for (i = 0; p2ps_prov->cpt_priority[i]; i++)
4846                 p2ps_prov->cpt_mask |= p2ps_prov->cpt_priority[i];
4847
4848         /* force conncap with tstCap (no sanity checks) */
4849         pos = os_strstr(cmd, "tstCap=");
4850         if (pos) {
4851                 role = strtol(pos + 7, NULL, 16);
4852         } else {
4853                 pos = os_strstr(cmd, "role=");
4854                 if (pos) {
4855                         role = strtol(pos + 5, NULL, 16);
4856                         if (role != P2PS_SETUP_CLIENT &&
4857                             role != P2PS_SETUP_GROUP_OWNER)
4858                                 role = P2PS_SETUP_NONE;
4859                 }
4860         }
4861         p2ps_prov->role = role;
4862
4863         return p2ps_prov;
4864
4865 invalid_args:
4866         os_free(p2ps_prov);
4867         return NULL;
4868 }
4869
4870
4871 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
4872 {
4873         u8 addr[ETH_ALEN];
4874         struct p2ps_provision *p2ps_prov;
4875         char *pos;
4876
4877         /* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
4878
4879         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4880
4881         if (hwaddr_aton(cmd, addr))
4882                 return -1;
4883
4884         pos = cmd + 17;
4885         if (*pos != ' ')
4886                 return -1;
4887
4888         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4889         if (!p2ps_prov)
4890                 return -1;
4891
4892         if (p2ps_prov->status < 0) {
4893                 os_free(p2ps_prov);
4894                 return -1;
4895         }
4896
4897         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4898                                   p2ps_prov);
4899 }
4900
4901
4902 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
4903 {
4904         u8 addr[ETH_ALEN];
4905         struct p2ps_provision *p2ps_prov;
4906         char *pos;
4907
4908         /* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
4909          *        session=<ses_id> mac=<ses_mac> [info=<infodata>]
4910          */
4911
4912         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4913         if (hwaddr_aton(cmd, addr))
4914                 return -1;
4915
4916         pos = cmd + 17;
4917         if (*pos != ' ')
4918                 return -1;
4919
4920         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4921         if (!p2ps_prov)
4922                 return -1;
4923
4924         p2ps_prov->pd_seeker = 1;
4925
4926         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4927                                   p2ps_prov);
4928 }
4929
4930
4931 static int parse_freq(int chwidth, int freq2)
4932 {
4933         if (freq2 < 0)
4934                 return -1;
4935         if (freq2)
4936                 return VHT_CHANWIDTH_80P80MHZ;
4937
4938         switch (chwidth) {
4939         case 0:
4940         case 20:
4941         case 40:
4942                 return VHT_CHANWIDTH_USE_HT;
4943         case 80:
4944                 return VHT_CHANWIDTH_80MHZ;
4945         case 160:
4946                 return VHT_CHANWIDTH_160MHZ;
4947         default:
4948                 wpa_printf(MSG_DEBUG, "Unknown max oper bandwidth: %d",
4949                            chwidth);
4950                 return -1;
4951         }
4952 }
4953
4954
4955 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4956                             char *buf, size_t buflen)
4957 {
4958         u8 addr[ETH_ALEN];
4959         char *pos, *pos2;
4960         char *pin = NULL;
4961         enum p2p_wps_method wps_method;
4962         int new_pin;
4963         int ret;
4964         int persistent_group, persistent_id = -1;
4965         int join;
4966         int auth;
4967         int automatic;
4968         int go_intent = -1;
4969         int freq = 0;
4970         int pd;
4971         int ht40, vht, max_oper_chwidth, chwidth = 0, freq2 = 0;
4972         u8 _group_ssid[SSID_MAX_LEN], *group_ssid = NULL;
4973         size_t group_ssid_len = 0;
4974
4975         if (!wpa_s->global->p2p_init_wpa_s)
4976                 return -1;
4977         if (wpa_s->global->p2p_init_wpa_s != wpa_s) {
4978                 wpa_dbg(wpa_s, MSG_DEBUG, "Direct P2P_CONNECT command to %s",
4979                         wpa_s->global->p2p_init_wpa_s->ifname);
4980                 wpa_s = wpa_s->global->p2p_init_wpa_s;
4981         }
4982
4983         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
4984          * [persistent|persistent=<network id>]
4985          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4986          * [ht40] [vht] [auto] [ssid=<hexdump>] */
4987
4988         if (hwaddr_aton(cmd, addr))
4989                 return -1;
4990
4991         pos = cmd + 17;
4992         if (*pos != ' ')
4993                 return -1;
4994         pos++;
4995
4996         persistent_group = os_strstr(pos, " persistent") != NULL;
4997         pos2 = os_strstr(pos, " persistent=");
4998         if (pos2) {
4999                 struct wpa_ssid *ssid;
5000                 persistent_id = atoi(pos2 + 12);
5001                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
5002                 if (ssid == NULL || ssid->disabled != 2 ||
5003                     ssid->mode != WPAS_MODE_P2P_GO) {
5004                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
5005                                    "SSID id=%d for persistent P2P group (GO)",
5006                                    persistent_id);
5007                         return -1;
5008                 }
5009         }
5010         join = os_strstr(pos, " join") != NULL;
5011         auth = os_strstr(pos, " auth") != NULL;
5012         automatic = os_strstr(pos, " auto") != NULL;
5013         pd = os_strstr(pos, " provdisc") != NULL;
5014         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5015         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5016                 vht;
5017
5018         pos2 = os_strstr(pos, " go_intent=");
5019         if (pos2) {
5020                 pos2 += 11;
5021                 go_intent = atoi(pos2);
5022                 if (go_intent < 0 || go_intent > 15)
5023                         return -1;
5024         }
5025
5026         pos2 = os_strstr(pos, " freq=");
5027         if (pos2) {
5028                 pos2 += 6;
5029                 freq = atoi(pos2);
5030                 if (freq <= 0)
5031                         return -1;
5032         }
5033
5034         pos2 = os_strstr(pos, " freq2=");
5035         if (pos2)
5036                 freq2 = atoi(pos2 + 7);
5037
5038         pos2 = os_strstr(pos, " max_oper_chwidth=");
5039         if (pos2)
5040                 chwidth = atoi(pos2 + 18);
5041
5042         max_oper_chwidth = parse_freq(chwidth, freq2);
5043         if (max_oper_chwidth < 0)
5044                 return -1;
5045
5046         pos2 = os_strstr(pos, " ssid=");
5047         if (pos2) {
5048                 char *end;
5049
5050                 pos2 += 6;
5051                 end = os_strchr(pos2, ' ');
5052                 if (!end)
5053                         group_ssid_len = os_strlen(pos2) / 2;
5054                 else
5055                         group_ssid_len = (end - pos2) / 2;
5056                 if (group_ssid_len == 0 || group_ssid_len > SSID_MAX_LEN ||
5057                     hexstr2bin(pos2, _group_ssid, group_ssid_len) < 0)
5058                         return -1;
5059                 group_ssid = _group_ssid;
5060         }
5061
5062         if (os_strncmp(pos, "pin", 3) == 0) {
5063                 /* Request random PIN (to be displayed) and enable the PIN */
5064                 wps_method = WPS_PIN_DISPLAY;
5065         } else if (os_strncmp(pos, "pbc", 3) == 0) {
5066                 wps_method = WPS_PBC;
5067         } else {
5068                 pin = pos;
5069                 pos = os_strchr(pin, ' ');
5070                 wps_method = WPS_PIN_KEYPAD;
5071                 if (pos) {
5072                         *pos++ = '\0';
5073                         if (os_strncmp(pos, "display", 7) == 0)
5074                                 wps_method = WPS_PIN_DISPLAY;
5075                         else if (os_strncmp(pos, "p2ps", 4) == 0)
5076                                 wps_method = WPS_P2PS;
5077                 }
5078                 if (!wps_pin_str_valid(pin)) {
5079                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
5080                         return 17;
5081                 }
5082         }
5083
5084         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
5085                                    persistent_group, automatic, join,
5086                                    auth, go_intent, freq, freq2, persistent_id,
5087                                    pd, ht40, vht, max_oper_chwidth,
5088                                    group_ssid, group_ssid_len);
5089         if (new_pin == -2) {
5090                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
5091                 return 25;
5092         }
5093         if (new_pin == -3) {
5094                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
5095                 return 25;
5096         }
5097         if (new_pin < 0)
5098                 return -1;
5099         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
5100                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
5101                 if (os_snprintf_error(buflen, ret))
5102                         return -1;
5103                 return ret;
5104         }
5105
5106         os_memcpy(buf, "OK\n", 3);
5107         return 3;
5108 }
5109
5110
5111 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
5112 {
5113         unsigned int timeout = atoi(cmd);
5114         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
5115                 wpa_dbg(wpa_s, MSG_INFO,
5116                         "Reject P2P_LISTEN since interface is disabled");
5117                 return -1;
5118         }
5119         return wpas_p2p_listen(wpa_s, timeout);
5120 }
5121
5122
5123 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
5124 {
5125         u8 addr[ETH_ALEN];
5126         char *pos;
5127         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
5128
5129         /* <addr> <config method> [join|auto] */
5130
5131         if (hwaddr_aton(cmd, addr))
5132                 return -1;
5133
5134         pos = cmd + 17;
5135         if (*pos != ' ')
5136                 return -1;
5137         pos++;
5138
5139         if (os_strstr(pos, " join") != NULL)
5140                 use = WPAS_P2P_PD_FOR_JOIN;
5141         else if (os_strstr(pos, " auto") != NULL)
5142                 use = WPAS_P2P_PD_AUTO;
5143
5144         return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
5145 }
5146
5147
5148 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
5149                               size_t buflen)
5150 {
5151         struct wpa_ssid *ssid = wpa_s->current_ssid;
5152
5153         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
5154             ssid->passphrase == NULL)
5155                 return -1;
5156
5157         os_strlcpy(buf, ssid->passphrase, buflen);
5158         return os_strlen(buf);
5159 }
5160
5161
5162 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
5163                                   char *buf, size_t buflen)
5164 {
5165         u64 ref;
5166         int res;
5167         u8 dst_buf[ETH_ALEN], *dst;
5168         struct wpabuf *tlvs;
5169         char *pos;
5170         size_t len;
5171
5172         if (hwaddr_aton(cmd, dst_buf))
5173                 return -1;
5174         dst = dst_buf;
5175         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
5176             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
5177                 dst = NULL;
5178         pos = cmd + 17;
5179         if (*pos != ' ')
5180                 return -1;
5181         pos++;
5182
5183         if (os_strncmp(pos, "upnp ", 5) == 0) {
5184                 u8 version;
5185                 pos += 5;
5186                 if (hexstr2bin(pos, &version, 1) < 0)
5187                         return -1;
5188                 pos += 2;
5189                 if (*pos != ' ')
5190                         return -1;
5191                 pos++;
5192                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
5193 #ifdef CONFIG_WIFI_DISPLAY
5194         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
5195                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
5196 #endif /* CONFIG_WIFI_DISPLAY */
5197         } else if (os_strncmp(pos, "asp ", 4) == 0) {
5198                 char *svc_str;
5199                 char *svc_info = NULL;
5200                 u32 id;
5201
5202                 pos += 4;
5203                 if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
5204                         return -1;
5205
5206                 pos = os_strchr(pos, ' ');
5207                 if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
5208                         return -1;
5209
5210                 svc_str = pos + 1;
5211
5212                 pos = os_strchr(svc_str, ' ');
5213
5214                 if (pos)
5215                         *pos++ = '\0';
5216
5217                 /* All remaining data is the svc_info string */
5218                 if (pos && pos[0] && pos[0] != ' ') {
5219                         len = os_strlen(pos);
5220
5221                         /* Unescape in place */
5222                         len = utf8_unescape(pos, len, pos, len);
5223                         if (len > 0xff)
5224                                 return -1;
5225
5226                         svc_info = pos;
5227                 }
5228
5229                 ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
5230                                               svc_str, svc_info);
5231         } else {
5232                 len = os_strlen(pos);
5233                 if (len & 1)
5234                         return -1;
5235                 len /= 2;
5236                 tlvs = wpabuf_alloc(len);
5237                 if (tlvs == NULL)
5238                         return -1;
5239                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
5240                         wpabuf_free(tlvs);
5241                         return -1;
5242                 }
5243
5244                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
5245                 wpabuf_free(tlvs);
5246         }
5247         if (ref == 0)
5248                 return -1;
5249         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
5250         if (os_snprintf_error(buflen, res))
5251                 return -1;
5252         return res;
5253 }
5254
5255
5256 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
5257                                          char *cmd)
5258 {
5259         long long unsigned val;
5260         u64 req;
5261         if (sscanf(cmd, "%llx", &val) != 1)
5262                 return -1;
5263         req = val;
5264         return wpas_p2p_sd_cancel_request(wpa_s, req);
5265 }
5266
5267
5268 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
5269 {
5270         int freq;
5271         u8 dst[ETH_ALEN];
5272         u8 dialog_token;
5273         struct wpabuf *resp_tlvs;
5274         char *pos, *pos2;
5275         size_t len;
5276
5277         pos = os_strchr(cmd, ' ');
5278         if (pos == NULL)
5279                 return -1;
5280         *pos++ = '\0';
5281         freq = atoi(cmd);
5282         if (freq == 0)
5283                 return -1;
5284
5285         if (hwaddr_aton(pos, dst))
5286                 return -1;
5287         pos += 17;
5288         if (*pos != ' ')
5289                 return -1;
5290         pos++;
5291
5292         pos2 = os_strchr(pos, ' ');
5293         if (pos2 == NULL)
5294                 return -1;
5295         *pos2++ = '\0';
5296         dialog_token = atoi(pos);
5297
5298         len = os_strlen(pos2);
5299         if (len & 1)
5300                 return -1;
5301         len /= 2;
5302         resp_tlvs = wpabuf_alloc(len);
5303         if (resp_tlvs == NULL)
5304                 return -1;
5305         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
5306                 wpabuf_free(resp_tlvs);
5307                 return -1;
5308         }
5309
5310         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
5311         wpabuf_free(resp_tlvs);
5312         return 0;
5313 }
5314
5315
5316 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
5317                                        char *cmd)
5318 {
5319         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
5320                 return -1;
5321         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
5322         return 0;
5323 }
5324
5325
5326 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
5327                                         char *cmd)
5328 {
5329         char *pos;
5330         size_t len;
5331         struct wpabuf *query, *resp;
5332
5333         pos = os_strchr(cmd, ' ');
5334         if (pos == NULL)
5335                 return -1;
5336         *pos++ = '\0';
5337
5338         len = os_strlen(cmd);
5339         if (len & 1)
5340                 return -1;
5341         len /= 2;
5342         query = wpabuf_alloc(len);
5343         if (query == NULL)
5344                 return -1;
5345         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5346                 wpabuf_free(query);
5347                 return -1;
5348         }
5349
5350         len = os_strlen(pos);
5351         if (len & 1) {
5352                 wpabuf_free(query);
5353                 return -1;
5354         }
5355         len /= 2;
5356         resp = wpabuf_alloc(len);
5357         if (resp == NULL) {
5358                 wpabuf_free(query);
5359                 return -1;
5360         }
5361         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
5362                 wpabuf_free(query);
5363                 wpabuf_free(resp);
5364                 return -1;
5365         }
5366
5367         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
5368                 wpabuf_free(query);
5369                 wpabuf_free(resp);
5370                 return -1;
5371         }
5372         return 0;
5373 }
5374
5375
5376 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5377 {
5378         char *pos;
5379         u8 version;
5380
5381         pos = os_strchr(cmd, ' ');
5382         if (pos == NULL)
5383                 return -1;
5384         *pos++ = '\0';
5385
5386         if (hexstr2bin(cmd, &version, 1) < 0)
5387                 return -1;
5388
5389         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
5390 }
5391
5392
5393 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
5394                                     u8 replace, char *cmd)
5395 {
5396         char *pos;
5397         char *adv_str;
5398         u32 auto_accept, adv_id, svc_state, config_methods;
5399         char *svc_info = NULL;
5400         char *cpt_prio_str;
5401         u8 cpt_prio[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
5402
5403         pos = os_strchr(cmd, ' ');
5404         if (pos == NULL)
5405                 return -1;
5406         *pos++ = '\0';
5407
5408         /* Auto-Accept value is mandatory, and must be one of the
5409          * single values (0, 1, 2, 4) */
5410         auto_accept = atoi(cmd);
5411         switch (auto_accept) {
5412         case P2PS_SETUP_NONE: /* No auto-accept */
5413         case P2PS_SETUP_NEW:
5414         case P2PS_SETUP_CLIENT:
5415         case P2PS_SETUP_GROUP_OWNER:
5416                 break;
5417         default:
5418                 return -1;
5419         }
5420
5421         /* Advertisement ID is mandatory */
5422         cmd = pos;
5423         pos = os_strchr(cmd, ' ');
5424         if (pos == NULL)
5425                 return -1;
5426         *pos++ = '\0';
5427
5428         /* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
5429         if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
5430                 return -1;
5431
5432         /* Only allow replacements if exist, and adds if not */
5433         if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
5434                 if (!replace)
5435                         return -1;
5436         } else {
5437                 if (replace)
5438                         return -1;
5439         }
5440
5441         /* svc_state between 0 - 0xff is mandatory */
5442         if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
5443                 return -1;
5444
5445         pos = os_strchr(pos, ' ');
5446         if (pos == NULL)
5447                 return -1;
5448
5449         /* config_methods is mandatory */
5450         pos++;
5451         if (sscanf(pos, "%x", &config_methods) != 1)
5452                 return -1;
5453
5454         if (!(config_methods &
5455               (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
5456                 return -1;
5457
5458         pos = os_strchr(pos, ' ');
5459         if (pos == NULL)
5460                 return -1;
5461
5462         pos++;
5463         adv_str = pos;
5464
5465         /* Advertisement string is mandatory */
5466         if (!pos[0] || pos[0] == ' ')
5467                 return -1;
5468
5469         /* Terminate svc string */
5470         pos = os_strchr(pos, ' ');
5471         if (pos != NULL)
5472                 *pos++ = '\0';
5473
5474         cpt_prio_str = (pos && pos[0]) ? os_strstr(pos, "cpt=") : NULL;
5475         if (cpt_prio_str) {
5476                 pos = os_strchr(pos, ' ');
5477                 if (pos != NULL)
5478                         *pos++ = '\0';
5479
5480                 if (p2ps_ctrl_parse_cpt_priority(cpt_prio_str + 4, cpt_prio))
5481                         return -1;
5482         } else {
5483                 cpt_prio[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
5484                 cpt_prio[1] = 0;
5485         }
5486
5487         /* Service and Response Information are optional */
5488         if (pos && pos[0]) {
5489                 size_t len;
5490
5491                 /* Note the bare ' included, which cannot exist legally
5492                  * in unescaped string. */
5493                 svc_info = os_strstr(pos, "svc_info='");
5494
5495                 if (svc_info) {
5496                         svc_info += 9;
5497                         len = os_strlen(svc_info);
5498                         utf8_unescape(svc_info, len, svc_info, len);
5499                 }
5500         }
5501
5502         return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
5503                                         (u8) svc_state, (u16) config_methods,
5504                                         svc_info, cpt_prio);
5505 }
5506
5507
5508 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
5509 {
5510         char *pos;
5511
5512         pos = os_strchr(cmd, ' ');
5513         if (pos == NULL)
5514                 return -1;
5515         *pos++ = '\0';
5516
5517         if (os_strcmp(cmd, "bonjour") == 0)
5518                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
5519         if (os_strcmp(cmd, "upnp") == 0)
5520                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
5521         if (os_strcmp(cmd, "asp") == 0)
5522                 return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
5523         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5524         return -1;
5525 }
5526
5527
5528 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
5529                                         char *cmd)
5530 {
5531         size_t len;
5532         struct wpabuf *query;
5533         int ret;
5534
5535         len = os_strlen(cmd);
5536         if (len & 1)
5537                 return -1;
5538         len /= 2;
5539         query = wpabuf_alloc(len);
5540         if (query == NULL)
5541                 return -1;
5542         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5543                 wpabuf_free(query);
5544                 return -1;
5545         }
5546
5547         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
5548         wpabuf_free(query);
5549         return ret;
5550 }
5551
5552
5553 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5554 {
5555         char *pos;
5556         u8 version;
5557
5558         pos = os_strchr(cmd, ' ');
5559         if (pos == NULL)
5560                 return -1;
5561         *pos++ = '\0';
5562
5563         if (hexstr2bin(cmd, &version, 1) < 0)
5564                 return -1;
5565
5566         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
5567 }
5568
5569
5570 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
5571 {
5572         u32 adv_id;
5573
5574         if (os_strcmp(cmd, "all") == 0) {
5575                 wpas_p2p_service_flush_asp(wpa_s);
5576                 return 0;
5577         }
5578
5579         if (sscanf(cmd, "%x", &adv_id) != 1)
5580                 return -1;
5581
5582         return wpas_p2p_service_del_asp(wpa_s, adv_id);
5583 }
5584
5585
5586 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
5587 {
5588         char *pos;
5589
5590         pos = os_strchr(cmd, ' ');
5591         if (pos == NULL)
5592                 return -1;
5593         *pos++ = '\0';
5594
5595         if (os_strcmp(cmd, "bonjour") == 0)
5596                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
5597         if (os_strcmp(cmd, "upnp") == 0)
5598                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
5599         if (os_strcmp(cmd, "asp") == 0)
5600                 return p2p_ctrl_service_del_asp(wpa_s, pos);
5601         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5602         return -1;
5603 }
5604
5605
5606 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
5607 {
5608         char *pos;
5609
5610         pos = os_strchr(cmd, ' ');
5611         if (pos == NULL)
5612                 return -1;
5613         *pos++ = '\0';
5614
5615         if (os_strcmp(cmd, "asp") == 0)
5616                 return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
5617
5618         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5619         return -1;
5620 }
5621
5622
5623 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
5624 {
5625         u8 addr[ETH_ALEN];
5626
5627         /* <addr> */
5628
5629         if (hwaddr_aton(cmd, addr))
5630                 return -1;
5631
5632         return wpas_p2p_reject(wpa_s, addr);
5633 }
5634
5635
5636 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
5637 {
5638         char *pos;
5639         int id;
5640         struct wpa_ssid *ssid;
5641         u8 *_peer = NULL, peer[ETH_ALEN];
5642         int freq = 0, pref_freq = 0;
5643         int ht40, vht, max_oper_chwidth, chwidth = 0, freq2 = 0;
5644
5645         id = atoi(cmd);
5646         pos = os_strstr(cmd, " peer=");
5647         if (pos) {
5648                 pos += 6;
5649                 if (hwaddr_aton(pos, peer))
5650                         return -1;
5651                 _peer = peer;
5652         }
5653         ssid = wpa_config_get_network(wpa_s->conf, id);
5654         if (ssid == NULL || ssid->disabled != 2) {
5655                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5656                            "for persistent P2P group",
5657                            id);
5658                 return -1;
5659         }
5660
5661         pos = os_strstr(cmd, " freq=");
5662         if (pos) {
5663                 pos += 6;
5664                 freq = atoi(pos);
5665                 if (freq <= 0)
5666                         return -1;
5667         }
5668
5669         pos = os_strstr(cmd, " pref=");
5670         if (pos) {
5671                 pos += 6;
5672                 pref_freq = atoi(pos);
5673                 if (pref_freq <= 0)
5674                         return -1;
5675         }
5676
5677         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5678         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5679                 vht;
5680
5681         pos = os_strstr(cmd, "freq2=");
5682         if (pos)
5683                 freq2 = atoi(pos + 6);
5684
5685         pos = os_strstr(cmd, " max_oper_chwidth=");
5686         if (pos)
5687                 chwidth = atoi(pos + 18);
5688
5689         max_oper_chwidth = parse_freq(chwidth, freq2);
5690         if (max_oper_chwidth < 0)
5691                 return -1;
5692
5693         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, freq2, ht40, vht,
5694                                max_oper_chwidth, pref_freq);
5695 }
5696
5697
5698 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
5699 {
5700         char *pos;
5701         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
5702
5703         pos = os_strstr(cmd, " peer=");
5704         if (!pos)
5705                 return -1;
5706
5707         *pos = '\0';
5708         pos += 6;
5709         if (hwaddr_aton(pos, peer)) {
5710                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
5711                 return -1;
5712         }
5713
5714         pos = os_strstr(pos, " go_dev_addr=");
5715         if (pos) {
5716                 pos += 13;
5717                 if (hwaddr_aton(pos, go_dev_addr)) {
5718                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
5719                                    pos);
5720                         return -1;
5721                 }
5722                 go_dev = go_dev_addr;
5723         }
5724
5725         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
5726 }
5727
5728
5729 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
5730 {
5731         if (os_strncmp(cmd, "persistent=", 11) == 0)
5732                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
5733         if (os_strncmp(cmd, "group=", 6) == 0)
5734                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
5735
5736         return -1;
5737 }
5738
5739
5740 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
5741                                          int id, int freq, int vht_center_freq2,
5742                                          int ht40, int vht, int vht_chwidth)
5743 {
5744         struct wpa_ssid *ssid;
5745
5746         ssid = wpa_config_get_network(wpa_s->conf, id);
5747         if (ssid == NULL || ssid->disabled != 2) {
5748                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5749                            "for persistent P2P group",
5750                            id);
5751                 return -1;
5752         }
5753
5754         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq,
5755                                              vht_center_freq2, 0, ht40, vht,
5756                                              vht_chwidth, NULL, 0, 0);
5757 }
5758
5759
5760 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
5761 {
5762         int freq = 0, persistent = 0, group_id = -1;
5763         int vht = wpa_s->conf->p2p_go_vht;
5764         int ht40 = wpa_s->conf->p2p_go_ht40 || vht;
5765         int max_oper_chwidth, chwidth = 0, freq2 = 0;
5766         char *token, *context = NULL;
5767
5768         while ((token = str_token(cmd, " ", &context))) {
5769                 if (sscanf(token, "freq=%d", &freq) == 1 ||
5770                     sscanf(token, "freq2=%d", &freq2) == 1 ||
5771                     sscanf(token, "persistent=%d", &group_id) == 1 ||
5772                     sscanf(token, "max_oper_chwidth=%d", &chwidth) == 1) {
5773                         continue;
5774                 } else if (os_strcmp(token, "ht40") == 0) {
5775                         ht40 = 1;
5776                 } else if (os_strcmp(token, "vht") == 0) {
5777                         vht = 1;
5778                         ht40 = 1;
5779                 } else if (os_strcmp(token, "persistent") == 0) {
5780                         persistent = 1;
5781                 } else {
5782                         wpa_printf(MSG_DEBUG,
5783                                    "CTRL: Invalid P2P_GROUP_ADD parameter: '%s'",
5784                                    token);
5785                         return -1;
5786                 }
5787         }
5788
5789         max_oper_chwidth = parse_freq(chwidth, freq2);
5790         if (max_oper_chwidth < 0)
5791                 return -1;
5792
5793         if (group_id >= 0)
5794                 return p2p_ctrl_group_add_persistent(wpa_s, group_id,
5795                                                      freq, freq2, ht40, vht,
5796                                                      max_oper_chwidth);
5797
5798         return wpas_p2p_group_add(wpa_s, persistent, freq, freq2, ht40, vht,
5799                                   max_oper_chwidth);
5800 }
5801
5802
5803 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
5804                          char *buf, size_t buflen)
5805 {
5806         u8 addr[ETH_ALEN], *addr_ptr;
5807         int next, res;
5808         const struct p2p_peer_info *info;
5809         char *pos, *end;
5810         char devtype[WPS_DEV_TYPE_BUFSIZE];
5811         struct wpa_ssid *ssid;
5812         size_t i;
5813
5814         if (!wpa_s->global->p2p)
5815                 return -1;
5816
5817         if (os_strcmp(cmd, "FIRST") == 0) {
5818                 addr_ptr = NULL;
5819                 next = 0;
5820         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5821                 if (hwaddr_aton(cmd + 5, addr) < 0)
5822                         return -1;
5823                 addr_ptr = addr;
5824                 next = 1;
5825         } else {
5826                 if (hwaddr_aton(cmd, addr) < 0)
5827                         return -1;
5828                 addr_ptr = addr;
5829                 next = 0;
5830         }
5831
5832         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
5833         if (info == NULL)
5834                 return -1;
5835
5836         pos = buf;
5837         end = buf + buflen;
5838
5839         res = os_snprintf(pos, end - pos, MACSTR "\n"
5840                           "pri_dev_type=%s\n"
5841                           "device_name=%s\n"
5842                           "manufacturer=%s\n"
5843                           "model_name=%s\n"
5844                           "model_number=%s\n"
5845                           "serial_number=%s\n"
5846                           "config_methods=0x%x\n"
5847                           "dev_capab=0x%x\n"
5848                           "group_capab=0x%x\n"
5849                           "level=%d\n",
5850                           MAC2STR(info->p2p_device_addr),
5851                           wps_dev_type_bin2str(info->pri_dev_type,
5852                                                devtype, sizeof(devtype)),
5853                           info->device_name,
5854                           info->manufacturer,
5855                           info->model_name,
5856                           info->model_number,
5857                           info->serial_number,
5858                           info->config_methods,
5859                           info->dev_capab,
5860                           info->group_capab,
5861                           info->level);
5862         if (os_snprintf_error(end - pos, res))
5863                 return pos - buf;
5864         pos += res;
5865
5866         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
5867         {
5868                 const u8 *t;
5869                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
5870                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
5871                                   wps_dev_type_bin2str(t, devtype,
5872                                                        sizeof(devtype)));
5873                 if (os_snprintf_error(end - pos, res))
5874                         return pos - buf;
5875                 pos += res;
5876         }
5877
5878         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
5879         if (ssid) {
5880                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
5881                 if (os_snprintf_error(end - pos, res))
5882                         return pos - buf;
5883                 pos += res;
5884         }
5885
5886         res = p2p_get_peer_info_txt(info, pos, end - pos);
5887         if (res < 0)
5888                 return pos - buf;
5889         pos += res;
5890
5891         if (info->vendor_elems) {
5892                 res = os_snprintf(pos, end - pos, "vendor_elems=");
5893                 if (os_snprintf_error(end - pos, res))
5894                         return pos - buf;
5895                 pos += res;
5896
5897                 pos += wpa_snprintf_hex(pos, end - pos,
5898                                         wpabuf_head(info->vendor_elems),
5899                                         wpabuf_len(info->vendor_elems));
5900
5901                 res = os_snprintf(pos, end - pos, "\n");
5902                 if (os_snprintf_error(end - pos, res))
5903                         return pos - buf;
5904                 pos += res;
5905         }
5906
5907         return pos - buf;
5908 }
5909
5910
5911 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
5912                                   const char *param)
5913 {
5914         unsigned int i;
5915
5916         if (wpa_s->global->p2p == NULL)
5917                 return -1;
5918
5919         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
5920                 return -1;
5921
5922         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
5923                 struct wpa_freq_range *freq;
5924                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
5925                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
5926                            freq->min, freq->max);
5927         }
5928
5929         wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DISALLOW);
5930         return 0;
5931 }
5932
5933
5934 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
5935 {
5936         char *param;
5937
5938         if (wpa_s->global->p2p == NULL)
5939                 return -1;
5940
5941         param = os_strchr(cmd, ' ');
5942         if (param == NULL)
5943                 return -1;
5944         *param++ = '\0';
5945
5946         if (os_strcmp(cmd, "discoverability") == 0) {
5947                 p2p_set_client_discoverability(wpa_s->global->p2p,
5948                                                atoi(param));
5949                 return 0;
5950         }
5951
5952         if (os_strcmp(cmd, "managed") == 0) {
5953                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5954                 return 0;
5955         }
5956
5957         if (os_strcmp(cmd, "listen_channel") == 0) {
5958                 char *pos;
5959                 u8 channel, op_class;
5960
5961                 channel = atoi(param);
5962                 pos = os_strchr(param, ' ');
5963                 op_class = pos ? atoi(pos) : 81;
5964
5965                 return p2p_set_listen_channel(wpa_s->global->p2p, op_class,
5966                                               channel, 1);
5967         }
5968
5969         if (os_strcmp(cmd, "ssid_postfix") == 0) {
5970                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
5971                                             os_strlen(param));
5972         }
5973
5974         if (os_strcmp(cmd, "noa") == 0) {
5975                 char *pos;
5976                 int count, start, duration;
5977                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
5978                 count = atoi(param);
5979                 pos = os_strchr(param, ',');
5980                 if (pos == NULL)
5981                         return -1;
5982                 pos++;
5983                 start = atoi(pos);
5984                 pos = os_strchr(pos, ',');
5985                 if (pos == NULL)
5986                         return -1;
5987                 pos++;
5988                 duration = atoi(pos);
5989                 if (count < 0 || count > 255 || start < 0 || duration < 0)
5990                         return -1;
5991                 if (count == 0 && duration > 0)
5992                         return -1;
5993                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
5994                            "start=%d duration=%d", count, start, duration);
5995                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
5996         }
5997
5998         if (os_strcmp(cmd, "ps") == 0)
5999                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
6000
6001         if (os_strcmp(cmd, "oppps") == 0)
6002                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
6003
6004         if (os_strcmp(cmd, "ctwindow") == 0)
6005                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
6006
6007         if (os_strcmp(cmd, "disabled") == 0) {
6008                 wpa_s->global->p2p_disabled = atoi(param);
6009                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
6010                            wpa_s->global->p2p_disabled ?
6011                            "disabled" : "enabled");
6012                 if (wpa_s->global->p2p_disabled) {
6013                         wpas_p2p_stop_find(wpa_s);
6014                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
6015                         p2p_flush(wpa_s->global->p2p);
6016                 }
6017                 return 0;
6018         }
6019
6020         if (os_strcmp(cmd, "conc_pref") == 0) {
6021                 if (os_strcmp(param, "sta") == 0)
6022                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
6023                 else if (os_strcmp(param, "p2p") == 0)
6024                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
6025                 else {
6026                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
6027                         return -1;
6028                 }
6029                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
6030                            "%s", param);
6031                 return 0;
6032         }
6033
6034         if (os_strcmp(cmd, "force_long_sd") == 0) {
6035                 wpa_s->force_long_sd = atoi(param);
6036                 return 0;
6037         }
6038
6039         if (os_strcmp(cmd, "peer_filter") == 0) {
6040                 u8 addr[ETH_ALEN];
6041                 if (hwaddr_aton(param, addr))
6042                         return -1;
6043                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
6044                 return 0;
6045         }
6046
6047         if (os_strcmp(cmd, "cross_connect") == 0)
6048                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
6049
6050         if (os_strcmp(cmd, "go_apsd") == 0) {
6051                 if (os_strcmp(param, "disable") == 0)
6052                         wpa_s->set_ap_uapsd = 0;
6053                 else {
6054                         wpa_s->set_ap_uapsd = 1;
6055                         wpa_s->ap_uapsd = atoi(param);
6056                 }
6057                 return 0;
6058         }
6059
6060         if (os_strcmp(cmd, "client_apsd") == 0) {
6061                 if (os_strcmp(param, "disable") == 0)
6062                         wpa_s->set_sta_uapsd = 0;
6063                 else {
6064                         int be, bk, vi, vo;
6065                         char *pos;
6066                         /* format: BE,BK,VI,VO;max SP Length */
6067                         be = atoi(param);
6068                         pos = os_strchr(param, ',');
6069                         if (pos == NULL)
6070                                 return -1;
6071                         pos++;
6072                         bk = atoi(pos);
6073                         pos = os_strchr(pos, ',');
6074                         if (pos == NULL)
6075                                 return -1;
6076                         pos++;
6077                         vi = atoi(pos);
6078                         pos = os_strchr(pos, ',');
6079                         if (pos == NULL)
6080                                 return -1;
6081                         pos++;
6082                         vo = atoi(pos);
6083                         /* ignore max SP Length for now */
6084
6085                         wpa_s->set_sta_uapsd = 1;
6086                         wpa_s->sta_uapsd = 0;
6087                         if (be)
6088                                 wpa_s->sta_uapsd |= BIT(0);
6089                         if (bk)
6090                                 wpa_s->sta_uapsd |= BIT(1);
6091                         if (vi)
6092                                 wpa_s->sta_uapsd |= BIT(2);
6093                         if (vo)
6094                                 wpa_s->sta_uapsd |= BIT(3);
6095                 }
6096                 return 0;
6097         }
6098
6099         if (os_strcmp(cmd, "disallow_freq") == 0)
6100                 return p2p_ctrl_disallow_freq(wpa_s, param);
6101
6102         if (os_strcmp(cmd, "disc_int") == 0) {
6103                 int min_disc_int, max_disc_int, max_disc_tu;
6104                 char *pos;
6105
6106                 pos = param;
6107
6108                 min_disc_int = atoi(pos);
6109                 pos = os_strchr(pos, ' ');
6110                 if (pos == NULL)
6111                         return -1;
6112                 *pos++ = '\0';
6113
6114                 max_disc_int = atoi(pos);
6115                 pos = os_strchr(pos, ' ');
6116                 if (pos == NULL)
6117                         return -1;
6118                 *pos++ = '\0';
6119
6120                 max_disc_tu = atoi(pos);
6121
6122                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
6123                                         max_disc_int, max_disc_tu);
6124         }
6125
6126         if (os_strcmp(cmd, "per_sta_psk") == 0) {
6127                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
6128                 return 0;
6129         }
6130
6131 #ifdef CONFIG_WPS_NFC
6132         if (os_strcmp(cmd, "nfc_tag") == 0)
6133                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
6134 #endif /* CONFIG_WPS_NFC */
6135
6136         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
6137                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
6138                 return 0;
6139         }
6140
6141         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
6142                    cmd);
6143
6144         return -1;
6145 }
6146
6147
6148 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
6149 {
6150         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
6151         wpa_s->force_long_sd = 0;
6152         wpas_p2p_stop_find(wpa_s);
6153         wpa_s->parent->p2ps_method_config_any = 0;
6154         if (wpa_s->global->p2p)
6155                 p2p_flush(wpa_s->global->p2p);
6156 }
6157
6158
6159 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
6160 {
6161         char *pos, *pos2;
6162         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
6163
6164         if (cmd[0]) {
6165                 pos = os_strchr(cmd, ' ');
6166                 if (pos == NULL)
6167                         return -1;
6168                 *pos++ = '\0';
6169                 dur1 = atoi(cmd);
6170
6171                 pos2 = os_strchr(pos, ' ');
6172                 if (pos2)
6173                         *pos2++ = '\0';
6174                 int1 = atoi(pos);
6175         } else
6176                 pos2 = NULL;
6177
6178         if (pos2) {
6179                 pos = os_strchr(pos2, ' ');
6180                 if (pos == NULL)
6181                         return -1;
6182                 *pos++ = '\0';
6183                 dur2 = atoi(pos2);
6184                 int2 = atoi(pos);
6185         }
6186
6187         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
6188 }
6189
6190
6191 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
6192 {
6193         char *pos;
6194         unsigned int period = 0, interval = 0;
6195
6196         if (cmd[0]) {
6197                 pos = os_strchr(cmd, ' ');
6198                 if (pos == NULL)
6199                         return -1;
6200                 *pos++ = '\0';
6201                 period = atoi(cmd);
6202                 interval = atoi(pos);
6203         }
6204
6205         return wpas_p2p_ext_listen(wpa_s, period, interval);
6206 }
6207
6208
6209 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
6210 {
6211         const char *pos;
6212         u8 peer[ETH_ALEN];
6213         int iface_addr = 0;
6214
6215         pos = cmd;
6216         if (os_strncmp(pos, "iface=", 6) == 0) {
6217                 iface_addr = 1;
6218                 pos += 6;
6219         }
6220         if (hwaddr_aton(pos, peer))
6221                 return -1;
6222
6223         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
6224         return 0;
6225 }
6226
6227 #endif /* CONFIG_P2P */
6228
6229
6230 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
6231 {
6232         struct wpa_freq_range_list ranges;
6233         int *freqs = NULL;
6234         struct hostapd_hw_modes *mode;
6235         u16 i;
6236
6237         if (wpa_s->hw.modes == NULL)
6238                 return NULL;
6239
6240         os_memset(&ranges, 0, sizeof(ranges));
6241         if (freq_range_list_parse(&ranges, val) < 0)
6242                 return NULL;
6243
6244         for (i = 0; i < wpa_s->hw.num_modes; i++) {
6245                 int j;
6246
6247                 mode = &wpa_s->hw.modes[i];
6248                 for (j = 0; j < mode->num_channels; j++) {
6249                         unsigned int freq;
6250
6251                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
6252                                 continue;
6253
6254                         freq = mode->channels[j].freq;
6255                         if (!freq_range_list_includes(&ranges, freq))
6256                                 continue;
6257
6258                         int_array_add_unique(&freqs, freq);
6259                 }
6260         }
6261
6262         os_free(ranges.range);
6263         return freqs;
6264 }
6265
6266
6267 #ifdef CONFIG_INTERWORKING
6268
6269 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
6270 {
6271         int auto_sel = 0;
6272         int *freqs = NULL;
6273
6274         if (param) {
6275                 char *pos;
6276
6277                 auto_sel = os_strstr(param, "auto") != NULL;
6278
6279                 pos = os_strstr(param, "freq=");
6280                 if (pos) {
6281                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
6282                         if (freqs == NULL)
6283                                 return -1;
6284                 }
6285
6286         }
6287
6288         return interworking_select(wpa_s, auto_sel, freqs);
6289 }
6290
6291
6292 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
6293                                      int only_add)
6294 {
6295         u8 bssid[ETH_ALEN];
6296         struct wpa_bss *bss;
6297
6298         if (hwaddr_aton(dst, bssid)) {
6299                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
6300                 return -1;
6301         }
6302
6303         bss = wpa_bss_get_bssid(wpa_s, bssid);
6304         if (bss == NULL) {
6305                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
6306                            MAC2STR(bssid));
6307                 return -1;
6308         }
6309
6310         if (bss->ssid_len == 0) {
6311                 int found = 0;
6312
6313                 wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
6314                            " does not have SSID information", MAC2STR(bssid));
6315
6316                 dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
6317                                          list) {
6318                         if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
6319                             bss->ssid_len > 0) {
6320                                 found = 1;
6321                                 break;
6322                         }
6323                 }
6324
6325                 if (!found)
6326                         return -1;
6327                 wpa_printf(MSG_DEBUG,
6328                            "Found another matching BSS entry with SSID");
6329         }
6330
6331         return interworking_connect(wpa_s, bss, only_add);
6332 }
6333
6334
6335 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
6336 {
6337         u8 dst_addr[ETH_ALEN];
6338         int used;
6339         char *pos;
6340 #define MAX_ANQP_INFO_ID 100
6341         u16 id[MAX_ANQP_INFO_ID];
6342         size_t num_id = 0;
6343         u32 subtypes = 0;
6344
6345         used = hwaddr_aton2(dst, dst_addr);
6346         if (used < 0)
6347                 return -1;
6348         pos = dst + used;
6349         if (*pos == ' ')
6350                 pos++;
6351         while (num_id < MAX_ANQP_INFO_ID) {
6352                 if (os_strncmp(pos, "hs20:", 5) == 0) {
6353 #ifdef CONFIG_HS20
6354                         int num = atoi(pos + 5);
6355                         if (num <= 0 || num > 31)
6356                                 return -1;
6357                         subtypes |= BIT(num);
6358 #else /* CONFIG_HS20 */
6359                         return -1;
6360 #endif /* CONFIG_HS20 */
6361                 } else {
6362                         id[num_id] = atoi(pos);
6363                         if (id[num_id])
6364                                 num_id++;
6365                 }
6366                 pos = os_strchr(pos + 1, ',');
6367                 if (pos == NULL)
6368                         break;
6369                 pos++;
6370         }
6371
6372         if (num_id == 0)
6373                 return -1;
6374
6375         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
6376 }
6377
6378
6379 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
6380 {
6381         u8 dst_addr[ETH_ALEN];
6382         struct wpabuf *advproto, *query = NULL;
6383         int used, ret = -1;
6384         char *pos, *end;
6385         size_t len;
6386
6387         used = hwaddr_aton2(cmd, dst_addr);
6388         if (used < 0)
6389                 return -1;
6390
6391         pos = cmd + used;
6392         while (*pos == ' ')
6393                 pos++;
6394
6395         /* Advertisement Protocol ID */
6396         end = os_strchr(pos, ' ');
6397         if (end)
6398                 len = end - pos;
6399         else
6400                 len = os_strlen(pos);
6401         if (len & 0x01)
6402                 return -1;
6403         len /= 2;
6404         if (len == 0)
6405                 return -1;
6406         advproto = wpabuf_alloc(len);
6407         if (advproto == NULL)
6408                 return -1;
6409         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
6410                 goto fail;
6411
6412         if (end) {
6413                 /* Optional Query Request */
6414                 pos = end + 1;
6415                 while (*pos == ' ')
6416                         pos++;
6417
6418                 len = os_strlen(pos);
6419                 if (len) {
6420                         if (len & 0x01)
6421                                 goto fail;
6422                         len /= 2;
6423                         if (len == 0)
6424                                 goto fail;
6425                         query = wpabuf_alloc(len);
6426                         if (query == NULL)
6427                                 goto fail;
6428                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
6429                                 goto fail;
6430                 }
6431         }
6432
6433         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
6434
6435 fail:
6436         wpabuf_free(advproto);
6437         wpabuf_free(query);
6438
6439         return ret;
6440 }
6441
6442
6443 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
6444                             size_t buflen)
6445 {
6446         u8 addr[ETH_ALEN];
6447         int dialog_token;
6448         int used;
6449         char *pos;
6450         size_t resp_len, start, requested_len;
6451         struct wpabuf *resp;
6452         int ret;
6453
6454         used = hwaddr_aton2(cmd, addr);
6455         if (used < 0)
6456                 return -1;
6457
6458         pos = cmd + used;
6459         while (*pos == ' ')
6460                 pos++;
6461         dialog_token = atoi(pos);
6462
6463         if (wpa_s->last_gas_resp &&
6464             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
6465             dialog_token == wpa_s->last_gas_dialog_token)
6466                 resp = wpa_s->last_gas_resp;
6467         else if (wpa_s->prev_gas_resp &&
6468                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
6469                  dialog_token == wpa_s->prev_gas_dialog_token)
6470                 resp = wpa_s->prev_gas_resp;
6471         else
6472                 return -1;
6473
6474         resp_len = wpabuf_len(resp);
6475         start = 0;
6476         requested_len = resp_len;
6477
6478         pos = os_strchr(pos, ' ');
6479         if (pos) {
6480                 start = atoi(pos);
6481                 if (start > resp_len)
6482                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6483                 pos = os_strchr(pos, ',');
6484                 if (pos == NULL)
6485                         return -1;
6486                 pos++;
6487                 requested_len = atoi(pos);
6488                 if (start + requested_len > resp_len)
6489                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6490         }
6491
6492         if (requested_len * 2 + 1 > buflen)
6493                 return os_snprintf(buf, buflen, "FAIL-Too long response");
6494
6495         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
6496                                requested_len);
6497
6498         if (start + requested_len == resp_len) {
6499                 /*
6500                  * Free memory by dropping the response after it has been
6501                  * fetched.
6502                  */
6503                 if (resp == wpa_s->prev_gas_resp) {
6504                         wpabuf_free(wpa_s->prev_gas_resp);
6505                         wpa_s->prev_gas_resp = NULL;
6506                 } else {
6507                         wpabuf_free(wpa_s->last_gas_resp);
6508                         wpa_s->last_gas_resp = NULL;
6509                 }
6510         }
6511
6512         return ret;
6513 }
6514 #endif /* CONFIG_INTERWORKING */
6515
6516
6517 #ifdef CONFIG_HS20
6518
6519 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
6520 {
6521         u8 dst_addr[ETH_ALEN];
6522         int used;
6523         char *pos;
6524         u32 subtypes = 0;
6525
6526         used = hwaddr_aton2(dst, dst_addr);
6527         if (used < 0)
6528                 return -1;
6529         pos = dst + used;
6530         if (*pos == ' ')
6531                 pos++;
6532         for (;;) {
6533                 int num = atoi(pos);
6534                 if (num <= 0 || num > 31)
6535                         return -1;
6536                 subtypes |= BIT(num);
6537                 pos = os_strchr(pos + 1, ',');
6538                 if (pos == NULL)
6539                         break;
6540                 pos++;
6541         }
6542
6543         if (subtypes == 0)
6544                 return -1;
6545
6546         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0, 0);
6547 }
6548
6549
6550 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6551                                     const u8 *addr, const char *realm)
6552 {
6553         u8 *buf;
6554         size_t rlen, len;
6555         int ret;
6556
6557         rlen = os_strlen(realm);
6558         len = 3 + rlen;
6559         buf = os_malloc(len);
6560         if (buf == NULL)
6561                 return -1;
6562         buf[0] = 1; /* NAI Home Realm Count */
6563         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
6564         buf[2] = rlen;
6565         os_memcpy(buf + 3, realm, rlen);
6566
6567         ret = hs20_anqp_send_req(wpa_s, addr,
6568                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6569                                  buf, len, 0);
6570
6571         os_free(buf);
6572
6573         return ret;
6574 }
6575
6576
6577 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6578                                         char *dst)
6579 {
6580         struct wpa_cred *cred = wpa_s->conf->cred;
6581         u8 dst_addr[ETH_ALEN];
6582         int used;
6583         u8 *buf;
6584         size_t len;
6585         int ret;
6586
6587         used = hwaddr_aton2(dst, dst_addr);
6588         if (used < 0)
6589                 return -1;
6590
6591         while (dst[used] == ' ')
6592                 used++;
6593         if (os_strncmp(dst + used, "realm=", 6) == 0)
6594                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
6595                                                 dst + used + 6);
6596
6597         len = os_strlen(dst + used);
6598
6599         if (len == 0 && cred && cred->realm)
6600                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
6601
6602         if (len & 1)
6603                 return -1;
6604         len /= 2;
6605         buf = os_malloc(len);
6606         if (buf == NULL)
6607                 return -1;
6608         if (hexstr2bin(dst + used, buf, len) < 0) {
6609                 os_free(buf);
6610                 return -1;
6611         }
6612
6613         ret = hs20_anqp_send_req(wpa_s, dst_addr,
6614                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6615                                  buf, len, 0);
6616         os_free(buf);
6617
6618         return ret;
6619 }
6620
6621
6622 static int get_hs20_icon(struct wpa_supplicant *wpa_s, char *cmd, char *reply,
6623                          int buflen)
6624 {
6625         u8 dst_addr[ETH_ALEN];
6626         int used;
6627         char *ctx = NULL, *icon, *poffset, *psize;
6628
6629         used = hwaddr_aton2(cmd, dst_addr);
6630         if (used < 0)
6631                 return -1;
6632         cmd += used;
6633
6634         icon = str_token(cmd, " ", &ctx);
6635         poffset = str_token(cmd, " ", &ctx);
6636         psize = str_token(cmd, " ", &ctx);
6637         if (!icon || !poffset || !psize)
6638                 return -1;
6639
6640         wpa_s->fetch_osu_icon_in_progress = 0;
6641         return hs20_get_icon(wpa_s, dst_addr, icon, atoi(poffset), atoi(psize),
6642                              reply, buflen);
6643 }
6644
6645
6646 static int del_hs20_icon(struct wpa_supplicant *wpa_s, char *cmd)
6647 {
6648         u8 dst_addr[ETH_ALEN];
6649         int used;
6650         char *icon;
6651
6652         if (!cmd[0])
6653                 return hs20_del_icon(wpa_s, NULL, NULL);
6654
6655         used = hwaddr_aton2(cmd, dst_addr);
6656         if (used < 0)
6657                 return -1;
6658
6659         while (cmd[used] == ' ')
6660                 used++;
6661         icon = cmd[used] ? &cmd[used] : NULL;
6662
6663         return hs20_del_icon(wpa_s, dst_addr, icon);
6664 }
6665
6666
6667 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd, int inmem)
6668 {
6669         u8 dst_addr[ETH_ALEN];
6670         int used;
6671         char *icon;
6672
6673         used = hwaddr_aton2(cmd, dst_addr);
6674         if (used < 0)
6675                 return -1;
6676
6677         while (cmd[used] == ' ')
6678                 used++;
6679         icon = &cmd[used];
6680
6681         wpa_s->fetch_osu_icon_in_progress = 0;
6682         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
6683                                   (u8 *) icon, os_strlen(icon), inmem);
6684 }
6685
6686 #endif /* CONFIG_HS20 */
6687
6688
6689 #ifdef CONFIG_AUTOSCAN
6690
6691 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
6692                                               char *cmd)
6693 {
6694         enum wpa_states state = wpa_s->wpa_state;
6695         char *new_params = NULL;
6696
6697         if (os_strlen(cmd) > 0) {
6698                 new_params = os_strdup(cmd);
6699                 if (new_params == NULL)
6700                         return -1;
6701         }
6702
6703         os_free(wpa_s->conf->autoscan);
6704         wpa_s->conf->autoscan = new_params;
6705
6706         if (wpa_s->conf->autoscan == NULL)
6707                 autoscan_deinit(wpa_s);
6708         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
6709                 autoscan_init(wpa_s, 1);
6710         else if (state == WPA_SCANNING)
6711                 wpa_supplicant_reinit_autoscan(wpa_s);
6712
6713         return 0;
6714 }
6715
6716 #endif /* CONFIG_AUTOSCAN */
6717
6718
6719 #ifdef CONFIG_WNM
6720
6721 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
6722 {
6723         int enter;
6724         int intval = 0;
6725         char *pos;
6726         int ret;
6727         struct wpabuf *tfs_req = NULL;
6728
6729         if (os_strncmp(cmd, "enter", 5) == 0)
6730                 enter = 1;
6731         else if (os_strncmp(cmd, "exit", 4) == 0)
6732                 enter = 0;
6733         else
6734                 return -1;
6735
6736         pos = os_strstr(cmd, " interval=");
6737         if (pos)
6738                 intval = atoi(pos + 10);
6739
6740         pos = os_strstr(cmd, " tfs_req=");
6741         if (pos) {
6742                 char *end;
6743                 size_t len;
6744                 pos += 9;
6745                 end = os_strchr(pos, ' ');
6746                 if (end)
6747                         len = end - pos;
6748                 else
6749                         len = os_strlen(pos);
6750                 if (len & 1)
6751                         return -1;
6752                 len /= 2;
6753                 tfs_req = wpabuf_alloc(len);
6754                 if (tfs_req == NULL)
6755                         return -1;
6756                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
6757                         wpabuf_free(tfs_req);
6758                         return -1;
6759                 }
6760         }
6761
6762         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
6763                                            WNM_SLEEP_MODE_EXIT, intval,
6764                                            tfs_req);
6765         wpabuf_free(tfs_req);
6766
6767         return ret;
6768 }
6769
6770
6771 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
6772 {
6773         int query_reason, list = 0;
6774
6775         query_reason = atoi(cmd);
6776
6777         cmd = os_strchr(cmd, ' ');
6778         if (cmd) {
6779                 cmd++;
6780                 if (os_strncmp(cmd, "list", 4) == 0) {
6781                         list = 1;
6782                 } else {
6783                         wpa_printf(MSG_DEBUG, "WNM Query: Invalid option %s",
6784                                    cmd);
6785                         return -1;
6786                 }
6787         }
6788
6789         wpa_printf(MSG_DEBUG,
6790                    "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d%s",
6791                    query_reason, list ? " candidate list" : "");
6792
6793         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason, list);
6794 }
6795
6796 #endif /* CONFIG_WNM */
6797
6798
6799 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
6800                                       size_t buflen)
6801 {
6802         struct wpa_signal_info si;
6803         int ret;
6804         char *pos, *end;
6805
6806         ret = wpa_drv_signal_poll(wpa_s, &si);
6807         if (ret)
6808                 return -1;
6809
6810         pos = buf;
6811         end = buf + buflen;
6812
6813         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
6814                           "NOISE=%d\nFREQUENCY=%u\n",
6815                           si.current_signal, si.current_txrate / 1000,
6816                           si.current_noise, si.frequency);
6817         if (os_snprintf_error(end - pos, ret))
6818                 return -1;
6819         pos += ret;
6820
6821         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
6822                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
6823                                   channel_width_to_string(si.chanwidth));
6824                 if (os_snprintf_error(end - pos, ret))
6825                         return -1;
6826                 pos += ret;
6827         }
6828
6829         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
6830                 ret = os_snprintf(pos, end - pos,
6831                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
6832                                   si.center_frq1, si.center_frq2);
6833                 if (os_snprintf_error(end - pos, ret))
6834                         return -1;
6835                 pos += ret;
6836         }
6837
6838         if (si.avg_signal) {
6839                 ret = os_snprintf(pos, end - pos,
6840                                   "AVG_RSSI=%d\n", si.avg_signal);
6841                 if (os_snprintf_error(end - pos, ret))
6842                         return -1;
6843                 pos += ret;
6844         }
6845
6846         if (si.avg_beacon_signal) {
6847                 ret = os_snprintf(pos, end - pos,
6848                                   "AVG_BEACON_RSSI=%d\n", si.avg_beacon_signal);
6849                 if (os_snprintf_error(end - pos, ret))
6850                         return -1;
6851                 pos += ret;
6852         }
6853
6854         return pos - buf;
6855 }
6856
6857
6858 static int wpas_ctrl_iface_signal_monitor(struct wpa_supplicant *wpa_s,
6859                                           const char *cmd)
6860 {
6861         const char *pos;
6862         int threshold = 0;
6863         int hysteresis = 0;
6864
6865         if (wpa_s->bgscan && wpa_s->bgscan_priv) {
6866                 wpa_printf(MSG_DEBUG,
6867                            "Reject SIGNAL_MONITOR command - bgscan is active");
6868                 return -1;
6869         }
6870         pos = os_strstr(cmd, "THRESHOLD=");
6871         if (pos)
6872                 threshold = atoi(pos + 10);
6873         pos = os_strstr(cmd, "HYSTERESIS=");
6874         if (pos)
6875                 hysteresis = atoi(pos + 11);
6876         return wpa_drv_signal_monitor(wpa_s, threshold, hysteresis);
6877 }
6878
6879
6880 static int wpas_ctrl_iface_get_pref_freq_list(
6881         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
6882 {
6883         unsigned int freq_list[100], num = 100, i;
6884         int ret;
6885         enum wpa_driver_if_type iface_type;
6886         char *pos, *end;
6887
6888         pos = buf;
6889         end = buf + buflen;
6890
6891         /* buf: "<interface_type>" */
6892         if (os_strcmp(cmd, "STATION") == 0)
6893                 iface_type = WPA_IF_STATION;
6894         else if (os_strcmp(cmd, "AP") == 0)
6895                 iface_type = WPA_IF_AP_BSS;
6896         else if (os_strcmp(cmd, "P2P_GO") == 0)
6897                 iface_type = WPA_IF_P2P_GO;
6898         else if (os_strcmp(cmd, "P2P_CLIENT") == 0)
6899                 iface_type = WPA_IF_P2P_CLIENT;
6900         else if (os_strcmp(cmd, "IBSS") == 0)
6901                 iface_type = WPA_IF_IBSS;
6902         else if (os_strcmp(cmd, "TDLS") == 0)
6903                 iface_type = WPA_IF_TDLS;
6904         else
6905                 return -1;
6906
6907         wpa_printf(MSG_DEBUG,
6908                    "CTRL_IFACE: GET_PREF_FREQ_LIST iface_type=%d (%s)",
6909                    iface_type, buf);
6910
6911         ret = wpa_drv_get_pref_freq_list(wpa_s, iface_type, &num, freq_list);
6912         if (ret)
6913                 return -1;
6914
6915         for (i = 0; i < num; i++) {
6916                 ret = os_snprintf(pos, end - pos, "%s%u",
6917                                   i > 0 ? "," : "", freq_list[i]);
6918                 if (os_snprintf_error(end - pos, ret))
6919                         return -1;
6920                 pos += ret;
6921         }
6922
6923         return pos - buf;
6924 }
6925
6926
6927 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
6928                                       size_t buflen)
6929 {
6930         struct hostap_sta_driver_data sta;
6931         int ret;
6932
6933         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
6934         if (ret)
6935                 return -1;
6936
6937         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
6938                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
6939         if (os_snprintf_error(buflen, ret))
6940                 return -1;
6941         return ret;
6942 }
6943
6944
6945 #ifdef ANDROID
6946 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6947                                      char *buf, size_t buflen)
6948 {
6949         int ret;
6950
6951         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
6952         if (ret == 0) {
6953                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
6954                         struct p2p_data *p2p = wpa_s->global->p2p;
6955                         if (p2p) {
6956                                 char country[3];
6957                                 country[0] = cmd[8];
6958                                 country[1] = cmd[9];
6959                                 country[2] = 0x04;
6960                                 p2p_set_country(p2p, country);
6961                         }
6962                 }
6963                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
6964                 if (os_snprintf_error(buflen, ret))
6965                         ret = -1;
6966         }
6967         return ret;
6968 }
6969 #endif /* ANDROID */
6970
6971
6972 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6973                                      char *buf, size_t buflen)
6974 {
6975         int ret;
6976         char *pos;
6977         u8 *data = NULL;
6978         unsigned int vendor_id, subcmd;
6979         struct wpabuf *reply;
6980         size_t data_len = 0;
6981
6982         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
6983         vendor_id = strtoul(cmd, &pos, 16);
6984         if (!isblank((unsigned char) *pos))
6985                 return -EINVAL;
6986
6987         subcmd = strtoul(pos, &pos, 10);
6988
6989         if (*pos != '\0') {
6990                 if (!isblank((unsigned char) *pos++))
6991                         return -EINVAL;
6992                 data_len = os_strlen(pos);
6993         }
6994
6995         if (data_len) {
6996                 data_len /= 2;
6997                 data = os_malloc(data_len);
6998                 if (!data)
6999                         return -1;
7000
7001                 if (hexstr2bin(pos, data, data_len)) {
7002                         wpa_printf(MSG_DEBUG,
7003                                    "Vendor command: wrong parameter format");
7004                         os_free(data);
7005                         return -EINVAL;
7006                 }
7007         }
7008
7009         reply = wpabuf_alloc((buflen - 1) / 2);
7010         if (!reply) {
7011                 os_free(data);
7012                 return -1;
7013         }
7014
7015         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
7016                                  reply);
7017
7018         if (ret == 0)
7019                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
7020                                        wpabuf_len(reply));
7021
7022         wpabuf_free(reply);
7023         os_free(data);
7024
7025         return ret;
7026 }
7027
7028
7029 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
7030 {
7031 #ifdef CONFIG_P2P
7032         struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
7033                 wpa_s->global->p2p_init_wpa_s : wpa_s;
7034 #endif /* CONFIG_P2P */
7035
7036         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
7037
7038         wpas_abort_ongoing_scan(wpa_s);
7039
7040         if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
7041                 /*
7042                  * Avoid possible auto connect re-connection on getting
7043                  * disconnected due to state flush.
7044                  */
7045                 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
7046         }
7047
7048 #ifdef CONFIG_P2P
7049         wpas_p2p_group_remove(p2p_wpa_s, "*");
7050         wpas_p2p_cancel(p2p_wpa_s);
7051         p2p_ctrl_flush(p2p_wpa_s);
7052         wpas_p2p_service_flush(p2p_wpa_s);
7053         p2p_wpa_s->global->p2p_disabled = 0;
7054         p2p_wpa_s->global->p2p_per_sta_psk = 0;
7055         p2p_wpa_s->conf->num_sec_device_types = 0;
7056         p2p_wpa_s->p2p_disable_ip_addr_req = 0;
7057         os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
7058         p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
7059         p2p_wpa_s->global->p2p_go_avoid_freq.num = 0;
7060         p2p_wpa_s->global->pending_p2ps_group = 0;
7061         p2p_wpa_s->global->pending_p2ps_group_freq = 0;
7062 #endif /* CONFIG_P2P */
7063
7064 #ifdef CONFIG_WPS_TESTING
7065         wps_version_number = 0x20;
7066         wps_testing_dummy_cred = 0;
7067         wps_corrupt_pkhash = 0;
7068         wps_force_auth_types_in_use = 0;
7069         wps_force_encr_types_in_use = 0;
7070 #endif /* CONFIG_WPS_TESTING */
7071 #ifdef CONFIG_WPS
7072         wpa_s->wps_fragment_size = 0;
7073         wpas_wps_cancel(wpa_s);
7074         wps_registrar_flush(wpa_s->wps->registrar);
7075 #endif /* CONFIG_WPS */
7076         wpa_s->after_wps = 0;
7077         wpa_s->known_wps_freq = 0;
7078
7079 #ifdef CONFIG_TDLS
7080 #ifdef CONFIG_TDLS_TESTING
7081         extern unsigned int tdls_testing;
7082         tdls_testing = 0;
7083 #endif /* CONFIG_TDLS_TESTING */
7084         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
7085         wpa_tdls_enable(wpa_s->wpa, 1);
7086 #endif /* CONFIG_TDLS */
7087
7088         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
7089         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
7090
7091         wpa_s->no_keep_alive = 0;
7092         wpa_s->own_disconnect_req = 0;
7093
7094         os_free(wpa_s->disallow_aps_bssid);
7095         wpa_s->disallow_aps_bssid = NULL;
7096         wpa_s->disallow_aps_bssid_count = 0;
7097         os_free(wpa_s->disallow_aps_ssid);
7098         wpa_s->disallow_aps_ssid = NULL;
7099         wpa_s->disallow_aps_ssid_count = 0;
7100
7101         wpa_s->set_sta_uapsd = 0;
7102         wpa_s->sta_uapsd = 0;
7103
7104         wpa_drv_radio_disable(wpa_s, 0);
7105         wpa_blacklist_clear(wpa_s);
7106         wpa_s->extra_blacklist_count = 0;
7107         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
7108         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
7109         wpa_config_flush_blobs(wpa_s->conf);
7110         wpa_s->conf->auto_interworking = 0;
7111         wpa_s->conf->okc = 0;
7112
7113         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
7114         rsn_preauth_deinit(wpa_s->wpa);
7115
7116         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
7117         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
7118         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
7119         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
7120
7121         radio_remove_works(wpa_s, NULL, 1);
7122         wpa_s->ext_work_in_progress = 0;
7123
7124         wpa_s->next_ssid = NULL;
7125
7126 #ifdef CONFIG_INTERWORKING
7127 #ifdef CONFIG_HS20
7128         hs20_cancel_fetch_osu(wpa_s);
7129         hs20_del_icon(wpa_s, NULL, NULL);
7130 #endif /* CONFIG_HS20 */
7131 #endif /* CONFIG_INTERWORKING */
7132
7133         wpa_s->ext_mgmt_frame_handling = 0;
7134         wpa_s->ext_eapol_frame_io = 0;
7135 #ifdef CONFIG_TESTING_OPTIONS
7136         wpa_s->extra_roc_dur = 0;
7137         wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
7138         wpa_s->p2p_go_csa_on_inv = 0;
7139         wpa_sm_set_test_assoc_ie(wpa_s->wpa, NULL);
7140 #endif /* CONFIG_TESTING_OPTIONS */
7141
7142         wpa_s->disconnected = 0;
7143         os_free(wpa_s->next_scan_freqs);
7144         wpa_s->next_scan_freqs = NULL;
7145
7146         wpa_bss_flush(wpa_s);
7147         if (!dl_list_empty(&wpa_s->bss)) {
7148                 wpa_printf(MSG_DEBUG,
7149                            "BSS table not empty after flush: %u entries, current_bss=%p bssid="
7150                            MACSTR " pending_bssid=" MACSTR,
7151                            dl_list_len(&wpa_s->bss), wpa_s->current_bss,
7152                            MAC2STR(wpa_s->bssid),
7153                            MAC2STR(wpa_s->pending_bssid));
7154         }
7155
7156         eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
7157         wpa_s->wnmsleep_used = 0;
7158 }
7159
7160
7161 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
7162                                      char *buf, size_t buflen)
7163 {
7164         struct wpa_radio_work *work;
7165         char *pos, *end;
7166         struct os_reltime now, diff;
7167
7168         pos = buf;
7169         end = buf + buflen;
7170
7171         os_get_reltime(&now);
7172
7173         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
7174         {
7175                 int ret;
7176
7177                 os_reltime_sub(&now, &work->time, &diff);
7178                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
7179                                   work->type, work->wpa_s->ifname, work->freq,
7180                                   work->started, diff.sec, diff.usec);
7181                 if (os_snprintf_error(end - pos, ret))
7182                         break;
7183                 pos += ret;
7184         }
7185
7186         return pos - buf;
7187 }
7188
7189
7190 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
7191 {
7192         struct wpa_radio_work *work = eloop_ctx;
7193         struct wpa_external_work *ework = work->ctx;
7194
7195         wpa_dbg(work->wpa_s, MSG_DEBUG,
7196                 "Timing out external radio work %u (%s)",
7197                 ework->id, work->type);
7198         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
7199         work->wpa_s->ext_work_in_progress = 0;
7200         radio_work_done(work);
7201         os_free(ework);
7202 }
7203
7204
7205 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
7206 {
7207         struct wpa_external_work *ework = work->ctx;
7208
7209         if (deinit) {
7210                 if (work->started)
7211                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
7212                                              work, NULL);
7213
7214                 os_free(ework);
7215                 return;
7216         }
7217
7218         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
7219                 ework->id, ework->type);
7220         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
7221         work->wpa_s->ext_work_in_progress = 1;
7222         if (!ework->timeout)
7223                 ework->timeout = 10;
7224         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
7225                                work, NULL);
7226 }
7227
7228
7229 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
7230                                     char *buf, size_t buflen)
7231 {
7232         struct wpa_external_work *ework;
7233         char *pos, *pos2;
7234         size_t type_len;
7235         int ret;
7236         unsigned int freq = 0;
7237
7238         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
7239
7240         ework = os_zalloc(sizeof(*ework));
7241         if (ework == NULL)
7242                 return -1;
7243
7244         pos = os_strchr(cmd, ' ');
7245         if (pos) {
7246                 type_len = pos - cmd;
7247                 pos++;
7248
7249                 pos2 = os_strstr(pos, "freq=");
7250                 if (pos2)
7251                         freq = atoi(pos2 + 5);
7252
7253                 pos2 = os_strstr(pos, "timeout=");
7254                 if (pos2)
7255                         ework->timeout = atoi(pos2 + 8);
7256         } else {
7257                 type_len = os_strlen(cmd);
7258         }
7259         if (4 + type_len >= sizeof(ework->type))
7260                 type_len = sizeof(ework->type) - 4 - 1;
7261         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
7262         os_memcpy(ework->type + 4, cmd, type_len);
7263         ework->type[4 + type_len] = '\0';
7264
7265         wpa_s->ext_work_id++;
7266         if (wpa_s->ext_work_id == 0)
7267                 wpa_s->ext_work_id++;
7268         ework->id = wpa_s->ext_work_id;
7269
7270         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
7271                            ework) < 0) {
7272                 os_free(ework);
7273                 return -1;
7274         }
7275
7276         ret = os_snprintf(buf, buflen, "%u", ework->id);
7277         if (os_snprintf_error(buflen, ret))
7278                 return -1;
7279         return ret;
7280 }
7281
7282
7283 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
7284 {
7285         struct wpa_radio_work *work;
7286         unsigned int id = atoi(cmd);
7287
7288         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
7289         {
7290                 struct wpa_external_work *ework;
7291
7292                 if (os_strncmp(work->type, "ext:", 4) != 0)
7293                         continue;
7294                 ework = work->ctx;
7295                 if (id && ework->id != id)
7296                         continue;
7297                 wpa_dbg(wpa_s, MSG_DEBUG,
7298                         "Completed external radio work %u (%s)",
7299                         ework->id, ework->type);
7300                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
7301                 wpa_s->ext_work_in_progress = 0;
7302                 radio_work_done(work);
7303                 os_free(ework);
7304                 return 3; /* "OK\n" */
7305         }
7306
7307         return -1;
7308 }
7309
7310
7311 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
7312                                 char *buf, size_t buflen)
7313 {
7314         if (os_strcmp(cmd, "show") == 0)
7315                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
7316         if (os_strncmp(cmd, "add ", 4) == 0)
7317                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
7318         if (os_strncmp(cmd, "done ", 5) == 0)
7319                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
7320         return -1;
7321 }
7322
7323
7324 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
7325 {
7326         struct wpa_radio_work *work, *tmp;
7327
7328         if (!wpa_s || !wpa_s->radio)
7329                 return;
7330
7331         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
7332                               struct wpa_radio_work, list) {
7333                 struct wpa_external_work *ework;
7334
7335                 if (os_strncmp(work->type, "ext:", 4) != 0)
7336                         continue;
7337                 ework = work->ctx;
7338                 wpa_dbg(wpa_s, MSG_DEBUG,
7339                         "Flushing%s external radio work %u (%s)",
7340                         work->started ? " started" : "", ework->id,
7341                         ework->type);
7342                 if (work->started)
7343                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
7344                                              work, NULL);
7345                 radio_work_done(work);
7346                 os_free(ework);
7347         }
7348 }
7349
7350
7351 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
7352 {
7353         struct wpa_supplicant *wpa_s = eloop_ctx;
7354         eapol_sm_notify_ctrl_response(wpa_s->eapol);
7355 }
7356
7357
7358 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
7359                               unsigned int *scan_id_count, int scan_id[])
7360 {
7361         const char *pos = value;
7362
7363         while (pos) {
7364                 if (*pos == ' ' || *pos == '\0')
7365                         break;
7366                 if (*scan_id_count == MAX_SCAN_ID)
7367                         return -1;
7368                 scan_id[(*scan_id_count)++] = atoi(pos);
7369                 pos = os_strchr(pos, ',');
7370                 if (pos)
7371                         pos++;
7372         }
7373
7374         return 0;
7375 }
7376
7377
7378 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
7379                            char *reply, int reply_size, int *reply_len)
7380 {
7381         char *pos;
7382         unsigned int manual_scan_passive = 0;
7383         unsigned int manual_scan_use_id = 0;
7384         unsigned int manual_scan_only_new = 0;
7385         unsigned int scan_only = 0;
7386         unsigned int scan_id_count = 0;
7387         int scan_id[MAX_SCAN_ID];
7388         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
7389                                  struct wpa_scan_results *scan_res);
7390         int *manual_scan_freqs = NULL;
7391         struct wpa_ssid_value *ssid = NULL, *ns;
7392         unsigned int ssid_count = 0;
7393
7394         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
7395                 *reply_len = -1;
7396                 return;
7397         }
7398
7399         if (radio_work_pending(wpa_s, "scan")) {
7400                 wpa_printf(MSG_DEBUG,
7401                            "Pending scan scheduled - reject new request");
7402                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7403                 return;
7404         }
7405
7406 #ifdef CONFIG_INTERWORKING
7407         if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) {
7408                 wpa_printf(MSG_DEBUG,
7409                            "Interworking select in progress - reject new scan");
7410                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7411                 return;
7412         }
7413 #endif /* CONFIG_INTERWORKING */
7414
7415         if (params) {
7416                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
7417                         scan_only = 1;
7418
7419                 pos = os_strstr(params, "freq=");
7420                 if (pos) {
7421                         manual_scan_freqs = freq_range_to_channel_list(wpa_s,
7422                                                                        pos + 5);
7423                         if (manual_scan_freqs == NULL) {
7424                                 *reply_len = -1;
7425                                 goto done;
7426                         }
7427                 }
7428
7429                 pos = os_strstr(params, "passive=");
7430                 if (pos)
7431                         manual_scan_passive = !!atoi(pos + 8);
7432
7433                 pos = os_strstr(params, "use_id=");
7434                 if (pos)
7435                         manual_scan_use_id = atoi(pos + 7);
7436
7437                 pos = os_strstr(params, "only_new=1");
7438                 if (pos)
7439                         manual_scan_only_new = 1;
7440
7441                 pos = os_strstr(params, "scan_id=");
7442                 if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
7443                                               scan_id) < 0) {
7444                         *reply_len = -1;
7445                         goto done;
7446                 }
7447
7448                 pos = params;
7449                 while (pos && *pos != '\0') {
7450                         if (os_strncmp(pos, "ssid ", 5) == 0) {
7451                                 char *end;
7452
7453                                 pos += 5;
7454                                 end = pos;
7455                                 while (*end) {
7456                                         if (*end == '\0' || *end == ' ')
7457                                                 break;
7458                                         end++;
7459                                 }
7460
7461                                 ns = os_realloc_array(
7462                                         ssid, ssid_count + 1,
7463                                         sizeof(struct wpa_ssid_value));
7464                                 if (ns == NULL) {
7465                                         *reply_len = -1;
7466                                         goto done;
7467                                 }
7468                                 ssid = ns;
7469
7470                                 if ((end - pos) & 0x01 ||
7471                                     end - pos > 2 * SSID_MAX_LEN ||
7472                                     hexstr2bin(pos, ssid[ssid_count].ssid,
7473                                                (end - pos) / 2) < 0) {
7474                                         wpa_printf(MSG_DEBUG,
7475                                                    "Invalid SSID value '%s'",
7476                                                    pos);
7477                                         *reply_len = -1;
7478                                         goto done;
7479                                 }
7480                                 ssid[ssid_count].ssid_len = (end - pos) / 2;
7481                                 wpa_hexdump_ascii(MSG_DEBUG, "scan SSID",
7482                                                   ssid[ssid_count].ssid,
7483                                                   ssid[ssid_count].ssid_len);
7484                                 ssid_count++;
7485                                 pos = end;
7486                         }
7487
7488                         pos = os_strchr(pos, ' ');
7489                         if (pos)
7490                                 pos++;
7491                 }
7492         }
7493
7494         wpa_s->num_ssids_from_scan_req = ssid_count;
7495         os_free(wpa_s->ssids_from_scan_req);
7496         if (ssid_count) {
7497                 wpa_s->ssids_from_scan_req = ssid;
7498                 ssid = NULL;
7499         } else {
7500                 wpa_s->ssids_from_scan_req = NULL;
7501         }
7502
7503         if (scan_only)
7504                 scan_res_handler = scan_only_handler;
7505         else if (wpa_s->scan_res_handler == scan_only_handler)
7506                 scan_res_handler = NULL;
7507         else
7508                 scan_res_handler = wpa_s->scan_res_handler;
7509
7510         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
7511             ((wpa_s->wpa_state <= WPA_SCANNING) ||
7512              (wpa_s->wpa_state == WPA_COMPLETED))) {
7513                 wpa_s->manual_scan_passive = manual_scan_passive;
7514                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7515                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7516                 wpa_s->scan_id_count = scan_id_count;
7517                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7518                 wpa_s->scan_res_handler = scan_res_handler;
7519                 os_free(wpa_s->manual_scan_freqs);
7520                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7521                 manual_scan_freqs = NULL;
7522
7523                 wpa_s->normal_scans = 0;
7524                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7525                 wpa_s->after_wps = 0;
7526                 wpa_s->known_wps_freq = 0;
7527                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7528                 if (wpa_s->manual_scan_use_id) {
7529                         wpa_s->manual_scan_id++;
7530                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7531                                 wpa_s->manual_scan_id);
7532                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7533                                                  wpa_s->manual_scan_id);
7534                 }
7535         } else if (wpa_s->sched_scanning) {
7536                 wpa_s->manual_scan_passive = manual_scan_passive;
7537                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7538                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7539                 wpa_s->scan_id_count = scan_id_count;
7540                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7541                 wpa_s->scan_res_handler = scan_res_handler;
7542                 os_free(wpa_s->manual_scan_freqs);
7543                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7544                 manual_scan_freqs = NULL;
7545
7546                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
7547                 wpa_supplicant_cancel_sched_scan(wpa_s);
7548                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7549                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7550                 if (wpa_s->manual_scan_use_id) {
7551                         wpa_s->manual_scan_id++;
7552                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7553                                                  wpa_s->manual_scan_id);
7554                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7555                                 wpa_s->manual_scan_id);
7556                 }
7557         } else {
7558                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
7559                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7560         }
7561
7562 done:
7563         os_free(manual_scan_freqs);
7564         os_free(ssid);
7565 }
7566
7567
7568 #ifdef CONFIG_TESTING_OPTIONS
7569
7570 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
7571                                        unsigned int freq, const u8 *dst,
7572                                        const u8 *src, const u8 *bssid,
7573                                        const u8 *data, size_t data_len,
7574                                        enum offchannel_send_action_result
7575                                        result)
7576 {
7577         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
7578                 " src=" MACSTR " bssid=" MACSTR " result=%s",
7579                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
7580                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
7581                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
7582                              "NO_ACK" : "FAILED"));
7583 }
7584
7585
7586 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
7587 {
7588         char *pos, *param;
7589         size_t len;
7590         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
7591         int res, used;
7592         int freq = 0, no_cck = 0, wait_time = 0;
7593
7594         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
7595          *    <action=Action frame payload> */
7596
7597         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
7598
7599         pos = cmd;
7600         used = hwaddr_aton2(pos, da);
7601         if (used < 0)
7602                 return -1;
7603         pos += used;
7604         while (*pos == ' ')
7605                 pos++;
7606         used = hwaddr_aton2(pos, bssid);
7607         if (used < 0)
7608                 return -1;
7609         pos += used;
7610
7611         param = os_strstr(pos, " freq=");
7612         if (param) {
7613                 param += 6;
7614                 freq = atoi(param);
7615         }
7616
7617         param = os_strstr(pos, " no_cck=");
7618         if (param) {
7619                 param += 8;
7620                 no_cck = atoi(param);
7621         }
7622
7623         param = os_strstr(pos, " wait_time=");
7624         if (param) {
7625                 param += 11;
7626                 wait_time = atoi(param);
7627         }
7628
7629         param = os_strstr(pos, " action=");
7630         if (param == NULL)
7631                 return -1;
7632         param += 8;
7633
7634         len = os_strlen(param);
7635         if (len & 1)
7636                 return -1;
7637         len /= 2;
7638
7639         buf = os_malloc(len);
7640         if (buf == NULL)
7641                 return -1;
7642
7643         if (hexstr2bin(param, buf, len) < 0) {
7644                 os_free(buf);
7645                 return -1;
7646         }
7647
7648         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
7649                                      buf, len, wait_time,
7650                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
7651         os_free(buf);
7652         return res;
7653 }
7654
7655
7656 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
7657 {
7658         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
7659         offchannel_send_action_done(wpa_s);
7660 }
7661
7662
7663 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
7664 {
7665         char *pos, *param;
7666         union wpa_event_data event;
7667         enum wpa_event_type ev;
7668
7669         /* <event name> [parameters..] */
7670
7671         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
7672
7673         pos = cmd;
7674         param = os_strchr(pos, ' ');
7675         if (param)
7676                 *param++ = '\0';
7677
7678         os_memset(&event, 0, sizeof(event));
7679
7680         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
7681                 ev = EVENT_INTERFACE_ENABLED;
7682         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
7683                 ev = EVENT_INTERFACE_DISABLED;
7684         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
7685                 ev = EVENT_AVOID_FREQUENCIES;
7686                 if (param == NULL)
7687                         param = "";
7688                 if (freq_range_list_parse(&event.freq_range, param) < 0)
7689                         return -1;
7690                 wpa_supplicant_event(wpa_s, ev, &event);
7691                 os_free(event.freq_range.range);
7692                 return 0;
7693         } else {
7694                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
7695                         cmd);
7696                 return -1;
7697         }
7698
7699         wpa_supplicant_event(wpa_s, ev, &event);
7700
7701         return 0;
7702 }
7703
7704
7705 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
7706 {
7707         char *pos;
7708         u8 src[ETH_ALEN], *buf;
7709         int used;
7710         size_t len;
7711
7712         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
7713
7714         pos = cmd;
7715         used = hwaddr_aton2(pos, src);
7716         if (used < 0)
7717                 return -1;
7718         pos += used;
7719         while (*pos == ' ')
7720                 pos++;
7721
7722         len = os_strlen(pos);
7723         if (len & 1)
7724                 return -1;
7725         len /= 2;
7726
7727         buf = os_malloc(len);
7728         if (buf == NULL)
7729                 return -1;
7730
7731         if (hexstr2bin(pos, buf, len) < 0) {
7732                 os_free(buf);
7733                 return -1;
7734         }
7735
7736         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
7737         os_free(buf);
7738
7739         return 0;
7740 }
7741
7742
7743 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
7744 {
7745         size_t i;
7746         u32 sum = 0;
7747         const u16 *pos = buf;
7748
7749         for (i = 0; i < len / 2; i++)
7750                 sum += *pos++;
7751
7752         while (sum >> 16)
7753                 sum = (sum & 0xffff) + (sum >> 16);
7754
7755         return sum ^ 0xffff;
7756 }
7757
7758
7759 #define HWSIM_PACKETLEN 1500
7760 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
7761
7762 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
7763 {
7764         struct wpa_supplicant *wpa_s = ctx;
7765         const struct ether_header *eth;
7766         struct iphdr ip;
7767         const u8 *pos;
7768         unsigned int i;
7769
7770         if (len != HWSIM_PACKETLEN)
7771                 return;
7772
7773         eth = (const struct ether_header *) buf;
7774         os_memcpy(&ip, eth + 1, sizeof(ip));
7775         pos = &buf[sizeof(*eth) + sizeof(ip)];
7776
7777         if (ip.ihl != 5 || ip.version != 4 ||
7778             ntohs(ip.tot_len) != HWSIM_IP_LEN)
7779                 return;
7780
7781         for (i = 0; i < HWSIM_IP_LEN - sizeof(ip); i++) {
7782                 if (*pos != (u8) i)
7783                         return;
7784                 pos++;
7785         }
7786
7787         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
7788                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
7789 }
7790
7791
7792 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
7793                                             char *cmd)
7794 {
7795         int enabled = atoi(cmd);
7796         char *pos;
7797         const char *ifname;
7798
7799         if (!enabled) {
7800                 if (wpa_s->l2_test) {
7801                         l2_packet_deinit(wpa_s->l2_test);
7802                         wpa_s->l2_test = NULL;
7803                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
7804                 }
7805                 return 0;
7806         }
7807
7808         if (wpa_s->l2_test)
7809                 return 0;
7810
7811         pos = os_strstr(cmd, " ifname=");
7812         if (pos)
7813                 ifname = pos + 8;
7814         else
7815                 ifname = wpa_s->ifname;
7816
7817         wpa_s->l2_test = l2_packet_init(ifname, wpa_s->own_addr,
7818                                         ETHERTYPE_IP, wpas_data_test_rx,
7819                                         wpa_s, 1);
7820         if (wpa_s->l2_test == NULL)
7821                 return -1;
7822
7823         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
7824
7825         return 0;
7826 }
7827
7828
7829 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
7830 {
7831         u8 dst[ETH_ALEN], src[ETH_ALEN];
7832         char *pos;
7833         int used;
7834         long int val;
7835         u8 tos;
7836         u8 buf[2 + HWSIM_PACKETLEN];
7837         struct ether_header *eth;
7838         struct iphdr *ip;
7839         u8 *dpos;
7840         unsigned int i;
7841
7842         if (wpa_s->l2_test == NULL)
7843                 return -1;
7844
7845         /* format: <dst> <src> <tos> */
7846
7847         pos = cmd;
7848         used = hwaddr_aton2(pos, dst);
7849         if (used < 0)
7850                 return -1;
7851         pos += used;
7852         while (*pos == ' ')
7853                 pos++;
7854         used = hwaddr_aton2(pos, src);
7855         if (used < 0)
7856                 return -1;
7857         pos += used;
7858
7859         val = strtol(pos, NULL, 0);
7860         if (val < 0 || val > 0xff)
7861                 return -1;
7862         tos = val;
7863
7864         eth = (struct ether_header *) &buf[2];
7865         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
7866         os_memcpy(eth->ether_shost, src, ETH_ALEN);
7867         eth->ether_type = htons(ETHERTYPE_IP);
7868         ip = (struct iphdr *) (eth + 1);
7869         os_memset(ip, 0, sizeof(*ip));
7870         ip->ihl = 5;
7871         ip->version = 4;
7872         ip->ttl = 64;
7873         ip->tos = tos;
7874         ip->tot_len = htons(HWSIM_IP_LEN);
7875         ip->protocol = 1;
7876         ip->saddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 1);
7877         ip->daddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 2);
7878         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
7879         dpos = (u8 *) (ip + 1);
7880         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
7881                 *dpos++ = i;
7882
7883         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, &buf[2],
7884                            HWSIM_PACKETLEN) < 0)
7885                 return -1;
7886
7887         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
7888                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
7889
7890         return 0;
7891 }
7892
7893
7894 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
7895                                            char *cmd)
7896 {
7897         u8 *buf;
7898         struct ether_header *eth;
7899         struct l2_packet_data *l2 = NULL;
7900         size_t len;
7901         u16 ethertype;
7902         int res = -1;
7903
7904         len = os_strlen(cmd);
7905         if (len & 1 || len < ETH_HLEN * 2)
7906                 return -1;
7907         len /= 2;
7908
7909         buf = os_malloc(len);
7910         if (buf == NULL)
7911                 return -1;
7912
7913         if (hexstr2bin(cmd, buf, len) < 0)
7914                 goto done;
7915
7916         eth = (struct ether_header *) buf;
7917         ethertype = ntohs(eth->ether_type);
7918
7919         l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
7920                             wpas_data_test_rx, wpa_s, 1);
7921         if (l2 == NULL)
7922                 goto done;
7923
7924         res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
7925         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
7926 done:
7927         if (l2)
7928                 l2_packet_deinit(l2);
7929         os_free(buf);
7930
7931         return res < 0 ? -1 : 0;
7932 }
7933
7934
7935 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
7936 {
7937 #ifdef WPA_TRACE_BFD
7938         extern char wpa_trace_fail_func[256];
7939         extern unsigned int wpa_trace_fail_after;
7940         char *pos;
7941
7942         wpa_trace_fail_after = atoi(cmd);
7943         pos = os_strchr(cmd, ':');
7944         if (pos) {
7945                 pos++;
7946                 os_strlcpy(wpa_trace_fail_func, pos,
7947                            sizeof(wpa_trace_fail_func));
7948         } else {
7949                 wpa_trace_fail_after = 0;
7950         }
7951         return 0;
7952 #else /* WPA_TRACE_BFD */
7953         return -1;
7954 #endif /* WPA_TRACE_BFD */
7955 }
7956
7957
7958 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
7959                                     char *buf, size_t buflen)
7960 {
7961 #ifdef WPA_TRACE_BFD
7962         extern char wpa_trace_fail_func[256];
7963         extern unsigned int wpa_trace_fail_after;
7964
7965         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
7966                            wpa_trace_fail_func);
7967 #else /* WPA_TRACE_BFD */
7968         return -1;
7969 #endif /* WPA_TRACE_BFD */
7970 }
7971
7972
7973 static int wpas_ctrl_test_fail(struct wpa_supplicant *wpa_s, char *cmd)
7974 {
7975 #ifdef WPA_TRACE_BFD
7976         extern char wpa_trace_test_fail_func[256];
7977         extern unsigned int wpa_trace_test_fail_after;
7978         char *pos;
7979
7980         wpa_trace_test_fail_after = atoi(cmd);
7981         pos = os_strchr(cmd, ':');
7982         if (pos) {
7983                 pos++;
7984                 os_strlcpy(wpa_trace_test_fail_func, pos,
7985                            sizeof(wpa_trace_test_fail_func));
7986         } else {
7987                 wpa_trace_test_fail_after = 0;
7988         }
7989         return 0;
7990 #else /* WPA_TRACE_BFD */
7991         return -1;
7992 #endif /* WPA_TRACE_BFD */
7993 }
7994
7995
7996 static int wpas_ctrl_get_fail(struct wpa_supplicant *wpa_s,
7997                                     char *buf, size_t buflen)
7998 {
7999 #ifdef WPA_TRACE_BFD
8000         extern char wpa_trace_test_fail_func[256];
8001         extern unsigned int wpa_trace_test_fail_after;
8002
8003         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_test_fail_after,
8004                            wpa_trace_test_fail_func);
8005 #else /* WPA_TRACE_BFD */
8006         return -1;
8007 #endif /* WPA_TRACE_BFD */
8008 }
8009
8010
8011 static void wpas_ctrl_event_test_cb(void *eloop_ctx, void *timeout_ctx)
8012 {
8013         struct wpa_supplicant *wpa_s = eloop_ctx;
8014         int i, count = (intptr_t) timeout_ctx;
8015
8016         wpa_printf(MSG_DEBUG, "TEST: Send %d control interface event messages",
8017                    count);
8018         for (i = 0; i < count; i++) {
8019                 wpa_msg_ctrl(wpa_s, MSG_INFO, "TEST-EVENT-MESSAGE %d/%d",
8020                              i + 1, count);
8021         }
8022 }
8023
8024
8025 static int wpas_ctrl_event_test(struct wpa_supplicant *wpa_s, const char *cmd)
8026 {
8027         int count;
8028
8029         count = atoi(cmd);
8030         if (count <= 0)
8031                 return -1;
8032
8033         return eloop_register_timeout(0, 0, wpas_ctrl_event_test_cb, wpa_s,
8034                                       (void *) (intptr_t) count);
8035 }
8036
8037
8038 static int wpas_ctrl_test_assoc_ie(struct wpa_supplicant *wpa_s,
8039                                    const char *cmd)
8040 {
8041         struct wpabuf *buf;
8042         size_t len;
8043
8044         len = os_strlen(cmd);
8045         if (len & 1)
8046                 return -1;
8047         len /= 2;
8048
8049         if (len == 0) {
8050                 buf = NULL;
8051         } else {
8052                 buf = wpabuf_alloc(len);
8053                 if (buf == NULL)
8054                         return -1;
8055
8056                 if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
8057                         wpabuf_free(buf);
8058                         return -1;
8059                 }
8060         }
8061
8062         wpa_sm_set_test_assoc_ie(wpa_s->wpa, buf);
8063         return 0;
8064 }
8065
8066 #endif /* CONFIG_TESTING_OPTIONS */
8067
8068
8069 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
8070 {
8071         char *pos = cmd;
8072         int frame;
8073         size_t len;
8074         struct wpabuf *buf;
8075         struct ieee802_11_elems elems;
8076
8077         frame = atoi(pos);
8078         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
8079                 return -1;
8080         wpa_s = wpas_vendor_elem(wpa_s, frame);
8081
8082         pos = os_strchr(pos, ' ');
8083         if (pos == NULL)
8084                 return -1;
8085         pos++;
8086
8087         len = os_strlen(pos);
8088         if (len == 0)
8089                 return 0;
8090         if (len & 1)
8091                 return -1;
8092         len /= 2;
8093
8094         buf = wpabuf_alloc(len);
8095         if (buf == NULL)
8096                 return -1;
8097
8098         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
8099                 wpabuf_free(buf);
8100                 return -1;
8101         }
8102
8103         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
8104             ParseFailed) {
8105                 wpabuf_free(buf);
8106                 return -1;
8107         }
8108
8109         if (wpa_s->vendor_elem[frame] == NULL) {
8110                 wpa_s->vendor_elem[frame] = buf;
8111                 wpas_vendor_elem_update(wpa_s);
8112                 return 0;
8113         }
8114
8115         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
8116                 wpabuf_free(buf);
8117                 return -1;
8118         }
8119
8120         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
8121         wpabuf_free(buf);
8122         wpas_vendor_elem_update(wpa_s);
8123
8124         return 0;
8125 }
8126
8127
8128 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
8129                                      char *buf, size_t buflen)
8130 {
8131         int frame = atoi(cmd);
8132
8133         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
8134                 return -1;
8135         wpa_s = wpas_vendor_elem(wpa_s, frame);
8136
8137         if (wpa_s->vendor_elem[frame] == NULL)
8138                 return 0;
8139
8140         return wpa_snprintf_hex(buf, buflen,
8141                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
8142                                 wpabuf_len(wpa_s->vendor_elem[frame]));
8143 }
8144
8145
8146 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
8147 {
8148         char *pos = cmd;
8149         int frame;
8150         size_t len;
8151         u8 *buf;
8152         struct ieee802_11_elems elems;
8153         int res;
8154
8155         frame = atoi(pos);
8156         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
8157                 return -1;
8158         wpa_s = wpas_vendor_elem(wpa_s, frame);
8159
8160         pos = os_strchr(pos, ' ');
8161         if (pos == NULL)
8162                 return -1;
8163         pos++;
8164
8165         if (*pos == '*') {
8166                 wpabuf_free(wpa_s->vendor_elem[frame]);
8167                 wpa_s->vendor_elem[frame] = NULL;
8168                 wpas_vendor_elem_update(wpa_s);
8169                 return 0;
8170         }
8171
8172         if (wpa_s->vendor_elem[frame] == NULL)
8173                 return -1;
8174
8175         len = os_strlen(pos);
8176         if (len == 0)
8177                 return 0;
8178         if (len & 1)
8179                 return -1;
8180         len /= 2;
8181
8182         buf = os_malloc(len);
8183         if (buf == NULL)
8184                 return -1;
8185
8186         if (hexstr2bin(pos, buf, len) < 0) {
8187                 os_free(buf);
8188                 return -1;
8189         }
8190
8191         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
8192                 os_free(buf);
8193                 return -1;
8194         }
8195
8196         res = wpas_vendor_elem_remove(wpa_s, frame, buf, len);
8197         os_free(buf);
8198         return res;
8199 }
8200
8201
8202 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
8203 {
8204         struct wpa_supplicant *wpa_s = ctx;
8205
8206         if (neighbor_rep) {
8207                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
8208                              "length=%u",
8209                              (unsigned int) wpabuf_len(neighbor_rep));
8210                 wpabuf_free(neighbor_rep);
8211         } else {
8212                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
8213         }
8214 }
8215
8216
8217 static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s,
8218                                             char *cmd)
8219 {
8220         struct wpa_ssid ssid;
8221         struct wpa_ssid *ssid_p = NULL;
8222         int ret = 0;
8223
8224         if (os_strncmp(cmd, " ssid=", 6) == 0) {
8225                 ssid.ssid_len = os_strlen(cmd + 6);
8226                 if (ssid.ssid_len > SSID_MAX_LEN)
8227                         return -1;
8228                 ssid.ssid = (u8 *) (cmd + 6);
8229                 ssid_p = &ssid;
8230         }
8231
8232         ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p,
8233                                                  wpas_ctrl_neighbor_rep_cb,
8234                                                  wpa_s);
8235
8236         return ret;
8237 }
8238
8239
8240 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
8241 {
8242         eapol_sm_erp_flush(wpa_s->eapol);
8243         return 0;
8244 }
8245
8246
8247 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
8248                                          char *cmd)
8249 {
8250         char *token, *context = NULL;
8251         unsigned int enable = ~0, type = 0;
8252         u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
8253         u8 *addr = NULL, *mask = NULL;
8254
8255         while ((token = str_token(cmd, " ", &context))) {
8256                 if (os_strcasecmp(token, "scan") == 0) {
8257                         type |= MAC_ADDR_RAND_SCAN;
8258                 } else if (os_strcasecmp(token, "sched") == 0) {
8259                         type |= MAC_ADDR_RAND_SCHED_SCAN;
8260                 } else if (os_strcasecmp(token, "pno") == 0) {
8261                         type |= MAC_ADDR_RAND_PNO;
8262                 } else if (os_strcasecmp(token, "all") == 0) {
8263                         type = wpa_s->mac_addr_rand_supported;
8264                 } else if (os_strncasecmp(token, "enable=", 7) == 0) {
8265                         enable = atoi(token + 7);
8266                 } else if (os_strncasecmp(token, "addr=", 5) == 0) {
8267                         addr = _addr;
8268                         if (hwaddr_aton(token + 5, addr)) {
8269                                 wpa_printf(MSG_INFO,
8270                                            "CTRL: Invalid MAC address: %s",
8271                                            token);
8272                                 return -1;
8273                         }
8274                 } else if (os_strncasecmp(token, "mask=", 5) == 0) {
8275                         mask = _mask;
8276                         if (hwaddr_aton(token + 5, mask)) {
8277                                 wpa_printf(MSG_INFO,
8278                                            "CTRL: Invalid MAC address mask: %s",
8279                                            token);
8280                                 return -1;
8281                         }
8282                 } else {
8283                         wpa_printf(MSG_INFO,
8284                                    "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
8285                                    token);
8286                         return -1;
8287                 }
8288         }
8289
8290         if (!type) {
8291                 wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
8292                 return -1;
8293         }
8294
8295         if ((wpa_s->mac_addr_rand_supported & type) != type) {
8296                 wpa_printf(MSG_INFO,
8297                            "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
8298                            type, wpa_s->mac_addr_rand_supported);
8299                 return -1;
8300         }
8301
8302         if (enable > 1) {
8303                 wpa_printf(MSG_INFO,
8304                            "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
8305                 return -1;
8306         }
8307
8308         if (!enable) {
8309                 wpas_mac_addr_rand_scan_clear(wpa_s, type);
8310                 if (wpa_s->pno) {
8311                         if (type & MAC_ADDR_RAND_PNO) {
8312                                 wpas_stop_pno(wpa_s);
8313                                 wpas_start_pno(wpa_s);
8314                         }
8315                 } else if (wpa_s->sched_scanning &&
8316                            (type & MAC_ADDR_RAND_SCHED_SCAN)) {
8317                         /* simulate timeout to restart the sched scan */
8318                         wpa_s->sched_scan_timed_out = 1;
8319                         wpa_s->prev_sched_ssid = NULL;
8320                         wpa_supplicant_cancel_sched_scan(wpa_s);
8321                 }
8322                 return 0;
8323         }
8324
8325         if ((addr && !mask) || (!addr && mask)) {
8326                 wpa_printf(MSG_INFO,
8327                            "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
8328                 return -1;
8329         }
8330
8331         if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
8332                 wpa_printf(MSG_INFO,
8333                            "CTRL: MAC_RAND_SCAN cannot allow multicast address");
8334                 return -1;
8335         }
8336
8337         if (type & MAC_ADDR_RAND_SCAN) {
8338                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
8339                                             addr, mask);
8340         }
8341
8342         if (type & MAC_ADDR_RAND_SCHED_SCAN) {
8343                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
8344                                             addr, mask);
8345
8346                 if (wpa_s->sched_scanning && !wpa_s->pno) {
8347                         /* simulate timeout to restart the sched scan */
8348                         wpa_s->sched_scan_timed_out = 1;
8349                         wpa_s->prev_sched_ssid = NULL;
8350                         wpa_supplicant_cancel_sched_scan(wpa_s);
8351                 }
8352         }
8353
8354         if (type & MAC_ADDR_RAND_PNO) {
8355                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
8356                                             addr, mask);
8357                 if (wpa_s->pno) {
8358                         wpas_stop_pno(wpa_s);
8359                         wpas_start_pno(wpa_s);
8360                 }
8361         }
8362
8363         return 0;
8364 }
8365
8366
8367 static int wpas_ctrl_iface_pmksa(struct wpa_supplicant *wpa_s,
8368                                  char *buf, size_t buflen)
8369 {
8370         size_t reply_len;
8371
8372         reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, buf, buflen);
8373 #ifdef CONFIG_AP
8374         reply_len += wpas_ap_pmksa_cache_list(wpa_s, &buf[reply_len],
8375                                               buflen - reply_len);
8376 #endif /* CONFIG_AP */
8377         return reply_len;
8378 }
8379
8380
8381 static void wpas_ctrl_iface_pmksa_flush(struct wpa_supplicant *wpa_s)
8382 {
8383         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
8384 #ifdef CONFIG_AP
8385         wpas_ap_pmksa_cache_flush(wpa_s);
8386 #endif /* CONFIG_AP */
8387 }
8388
8389
8390 static int wpas_ctrl_cmd_debug_level(const char *cmd)
8391 {
8392         if (os_strcmp(cmd, "PING") == 0 ||
8393             os_strncmp(cmd, "BSS ", 4) == 0 ||
8394             os_strncmp(cmd, "GET_NETWORK ", 12) == 0 ||
8395             os_strncmp(cmd, "STATUS", 6) == 0 ||
8396             os_strncmp(cmd, "STA ", 4) == 0 ||
8397             os_strncmp(cmd, "STA-", 4) == 0)
8398                 return MSG_EXCESSIVE;
8399         return MSG_DEBUG;
8400 }
8401
8402
8403 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
8404                                          char *buf, size_t *resp_len)
8405 {
8406         char *reply;
8407         const int reply_size = 4096;
8408         int reply_len;
8409
8410         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
8411             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8412                 if (wpa_debug_show_keys)
8413                         wpa_dbg(wpa_s, MSG_DEBUG,
8414                                 "Control interface command '%s'", buf);
8415                 else
8416                         wpa_dbg(wpa_s, MSG_DEBUG,
8417                                 "Control interface command '%s [REMOVED]'",
8418                                 os_strncmp(buf, WPA_CTRL_RSP,
8419                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
8420                                 WPA_CTRL_RSP : "SET_NETWORK");
8421         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
8422                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
8423                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
8424                                       (const u8 *) buf, os_strlen(buf));
8425         } else {
8426                 int level = wpas_ctrl_cmd_debug_level(buf);
8427                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
8428         }
8429
8430         reply = os_malloc(reply_size);
8431         if (reply == NULL) {
8432                 *resp_len = 1;
8433                 return NULL;
8434         }
8435
8436         os_memcpy(reply, "OK\n", 3);
8437         reply_len = 3;
8438
8439         if (os_strcmp(buf, "PING") == 0) {
8440                 os_memcpy(reply, "PONG\n", 5);
8441                 reply_len = 5;
8442         } else if (os_strcmp(buf, "IFNAME") == 0) {
8443                 reply_len = os_strlen(wpa_s->ifname);
8444                 os_memcpy(reply, wpa_s->ifname, reply_len);
8445         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
8446                 if (wpa_debug_reopen_file() < 0)
8447                         reply_len = -1;
8448         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
8449                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
8450         } else if (os_strcmp(buf, "MIB") == 0) {
8451                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
8452                 if (reply_len >= 0) {
8453                         reply_len += eapol_sm_get_mib(wpa_s->eapol,
8454                                                       reply + reply_len,
8455                                                       reply_size - reply_len);
8456                 }
8457         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
8458                 reply_len = wpa_supplicant_ctrl_iface_status(
8459                         wpa_s, buf + 6, reply, reply_size);
8460         } else if (os_strcmp(buf, "PMKSA") == 0) {
8461                 reply_len = wpas_ctrl_iface_pmksa(wpa_s, reply, reply_size);
8462         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
8463                 wpas_ctrl_iface_pmksa_flush(wpa_s);
8464         } else if (os_strncmp(buf, "SET ", 4) == 0) {
8465                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
8466                         reply_len = -1;
8467         } else if (os_strncmp(buf, "DUMP", 4) == 0) {
8468                 reply_len = wpa_config_dump_values(wpa_s->conf,
8469                                                    reply, reply_size);
8470         } else if (os_strncmp(buf, "GET ", 4) == 0) {
8471                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
8472                                                           reply, reply_size);
8473         } else if (os_strcmp(buf, "LOGON") == 0) {
8474                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
8475         } else if (os_strcmp(buf, "LOGOFF") == 0) {
8476                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
8477         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
8478                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8479                         reply_len = -1;
8480                 else
8481                         wpas_request_connection(wpa_s);
8482         } else if (os_strcmp(buf, "REATTACH") == 0) {
8483                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
8484                     !wpa_s->current_ssid)
8485                         reply_len = -1;
8486                 else {
8487                         wpa_s->reattach = 1;
8488                         wpas_request_connection(wpa_s);
8489                 }
8490         } else if (os_strcmp(buf, "RECONNECT") == 0) {
8491                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8492                         reply_len = -1;
8493                 else if (wpa_s->disconnected)
8494                         wpas_request_connection(wpa_s);
8495 #ifdef IEEE8021X_EAPOL
8496         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
8497                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
8498                         reply_len = -1;
8499 #endif /* IEEE8021X_EAPOL */
8500 #ifdef CONFIG_PEERKEY
8501         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
8502                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
8503                         reply_len = -1;
8504 #endif /* CONFIG_PEERKEY */
8505 #ifdef CONFIG_IEEE80211R
8506         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
8507                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
8508                         reply_len = -1;
8509 #endif /* CONFIG_IEEE80211R */
8510 #ifdef CONFIG_WPS
8511         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
8512                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
8513                 if (res == -2) {
8514                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8515                         reply_len = 17;
8516                 } else if (res)
8517                         reply_len = -1;
8518         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
8519                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
8520                 if (res == -2) {
8521                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8522                         reply_len = 17;
8523                 } else if (res)
8524                         reply_len = -1;
8525         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
8526                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
8527                                                               reply,
8528                                                               reply_size);
8529         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
8530                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
8531                         wpa_s, buf + 14, reply, reply_size);
8532         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
8533                 if (wpas_wps_cancel(wpa_s))
8534                         reply_len = -1;
8535 #ifdef CONFIG_WPS_NFC
8536         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
8537                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
8538                         reply_len = -1;
8539         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
8540                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
8541                         reply_len = -1;
8542         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
8543                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
8544                         wpa_s, buf + 21, reply, reply_size);
8545         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
8546                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
8547                         wpa_s, buf + 14, reply, reply_size);
8548         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
8549                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
8550                                                                buf + 17))
8551                         reply_len = -1;
8552         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
8553                 reply_len = wpas_ctrl_nfc_get_handover_req(
8554                         wpa_s, buf + 21, reply, reply_size);
8555         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
8556                 reply_len = wpas_ctrl_nfc_get_handover_sel(
8557                         wpa_s, buf + 21, reply, reply_size);
8558         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
8559                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
8560                         reply_len = -1;
8561 #endif /* CONFIG_WPS_NFC */
8562         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
8563                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
8564                         reply_len = -1;
8565 #ifdef CONFIG_AP
8566         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
8567                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
8568                         wpa_s, buf + 11, reply, reply_size);
8569 #endif /* CONFIG_AP */
8570 #ifdef CONFIG_WPS_ER
8571         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
8572                 if (wpas_wps_er_start(wpa_s, NULL))
8573                         reply_len = -1;
8574         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
8575                 if (wpas_wps_er_start(wpa_s, buf + 13))
8576                         reply_len = -1;
8577         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
8578                 wpas_wps_er_stop(wpa_s);
8579         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
8580                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
8581                         reply_len = -1;
8582         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
8583                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
8584                 if (ret == -2) {
8585                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8586                         reply_len = 17;
8587                 } else if (ret == -3) {
8588                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
8589                         reply_len = 18;
8590                 } else if (ret == -4) {
8591                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
8592                         reply_len = 20;
8593                 } else if (ret)
8594                         reply_len = -1;
8595         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
8596                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
8597                         reply_len = -1;
8598         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
8599                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
8600                                                                 buf + 18))
8601                         reply_len = -1;
8602         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
8603                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
8604                         reply_len = -1;
8605 #ifdef CONFIG_WPS_NFC
8606         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
8607                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
8608                         wpa_s, buf + 24, reply, reply_size);
8609 #endif /* CONFIG_WPS_NFC */
8610 #endif /* CONFIG_WPS_ER */
8611 #endif /* CONFIG_WPS */
8612 #ifdef CONFIG_IBSS_RSN
8613         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
8614                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
8615                         reply_len = -1;
8616 #endif /* CONFIG_IBSS_RSN */
8617 #ifdef CONFIG_MESH
8618         } else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
8619                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8620                         wpa_s, buf + 19, reply, reply_size);
8621         } else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
8622                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8623                         wpa_s, "", reply, reply_size);
8624         } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
8625                 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
8626                         reply_len = -1;
8627         } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
8628                 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
8629                                                                 buf + 18))
8630                         reply_len = -1;
8631         } else if (os_strncmp(buf, "MESH_PEER_REMOVE ", 17) == 0) {
8632                 if (wpa_supplicant_ctrl_iface_mesh_peer_remove(wpa_s, buf + 17))
8633                         reply_len = -1;
8634         } else if (os_strncmp(buf, "MESH_PEER_ADD ", 14) == 0) {
8635                 if (wpa_supplicant_ctrl_iface_mesh_peer_add(wpa_s, buf + 14))
8636                         reply_len = -1;
8637 #endif /* CONFIG_MESH */
8638 #ifdef CONFIG_P2P
8639         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
8640                 if (p2p_ctrl_find(wpa_s, buf + 8))
8641                         reply_len = -1;
8642         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
8643                 if (p2p_ctrl_find(wpa_s, ""))
8644                         reply_len = -1;
8645         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
8646                 wpas_p2p_stop_find(wpa_s);
8647         } else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
8648                 if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
8649                         reply_len = -1;
8650         } else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
8651                 if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
8652                         reply_len = -1;
8653         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
8654                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
8655                                              reply_size);
8656         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
8657                 if (p2p_ctrl_listen(wpa_s, buf + 11))
8658                         reply_len = -1;
8659         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
8660                 if (p2p_ctrl_listen(wpa_s, ""))
8661                         reply_len = -1;
8662         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
8663                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
8664                         reply_len = -1;
8665         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
8666                 if (p2p_ctrl_group_add(wpa_s, ""))
8667                         reply_len = -1;
8668         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
8669                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
8670                         reply_len = -1;
8671         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
8672                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
8673                         reply_len = -1;
8674         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
8675                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
8676         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
8677                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
8678                                                    reply_size);
8679         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
8680                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
8681                         reply_len = -1;
8682         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
8683                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
8684                         reply_len = -1;
8685         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
8686                 wpas_p2p_sd_service_update(wpa_s);
8687         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
8688                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
8689                         reply_len = -1;
8690         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
8691                 wpas_p2p_service_flush(wpa_s);
8692         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
8693                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
8694                         reply_len = -1;
8695         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
8696                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
8697                         reply_len = -1;
8698         } else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
8699                 if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
8700                         reply_len = -1;
8701         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
8702                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
8703                         reply_len = -1;
8704         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
8705                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
8706                         reply_len = -1;
8707         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
8708                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
8709                                               reply_size);
8710         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
8711                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
8712                         reply_len = -1;
8713         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
8714                 p2p_ctrl_flush(wpa_s);
8715         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
8716                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
8717                         reply_len = -1;
8718         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
8719                 if (wpas_p2p_cancel(wpa_s))
8720                         reply_len = -1;
8721         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
8722                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
8723                         reply_len = -1;
8724         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
8725                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
8726                         reply_len = -1;
8727         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
8728                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
8729                         reply_len = -1;
8730         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
8731                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
8732                         reply_len = -1;
8733         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
8734                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
8735                         reply_len = -1;
8736 #endif /* CONFIG_P2P */
8737 #ifdef CONFIG_WIFI_DISPLAY
8738         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
8739                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
8740                         reply_len = -1;
8741         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
8742                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
8743                                                      reply, reply_size);
8744 #endif /* CONFIG_WIFI_DISPLAY */
8745 #ifdef CONFIG_INTERWORKING
8746         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
8747                 if (interworking_fetch_anqp(wpa_s) < 0)
8748                         reply_len = -1;
8749         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
8750                 interworking_stop_fetch_anqp(wpa_s);
8751         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
8752                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
8753                         reply_len = -1;
8754         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
8755                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
8756                         reply_len = -1;
8757         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
8758                 if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
8759                         reply_len = -1;
8760         } else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
8761                 int id;
8762
8763                 id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
8764                 if (id < 0)
8765                         reply_len = -1;
8766                 else {
8767                         reply_len = os_snprintf(reply, reply_size, "%d\n", id);
8768                         if (os_snprintf_error(reply_size, reply_len))
8769                                 reply_len = -1;
8770                 }
8771         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
8772                 if (get_anqp(wpa_s, buf + 9) < 0)
8773                         reply_len = -1;
8774         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
8775                 if (gas_request(wpa_s, buf + 12) < 0)
8776                         reply_len = -1;
8777         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
8778                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
8779                                              reply_size);
8780 #endif /* CONFIG_INTERWORKING */
8781 #ifdef CONFIG_HS20
8782         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
8783                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
8784                         reply_len = -1;
8785         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
8786                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
8787                         reply_len = -1;
8788         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
8789                 if (hs20_icon_request(wpa_s, buf + 18, 0) < 0)
8790                         reply_len = -1;
8791         } else if (os_strncmp(buf, "REQ_HS20_ICON ", 14) == 0) {
8792                 if (hs20_icon_request(wpa_s, buf + 14, 1) < 0)
8793                         reply_len = -1;
8794         } else if (os_strncmp(buf, "GET_HS20_ICON ", 14) == 0) {
8795                 reply_len = get_hs20_icon(wpa_s, buf + 14, reply, reply_size);
8796         } else if (os_strncmp(buf, "DEL_HS20_ICON ", 14) == 0) {
8797                 if (del_hs20_icon(wpa_s, buf + 14) < 0)
8798                         reply_len = -1;
8799         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
8800                 if (hs20_fetch_osu(wpa_s) < 0)
8801                         reply_len = -1;
8802         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
8803                 hs20_cancel_fetch_osu(wpa_s);
8804 #endif /* CONFIG_HS20 */
8805         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
8806         {
8807                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
8808                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
8809                         reply_len = -1;
8810                 else {
8811                         /*
8812                          * Notify response from timeout to allow the control
8813                          * interface response to be sent first.
8814                          */
8815                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
8816                                                wpa_s, NULL);
8817                 }
8818         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
8819                 if (wpa_supplicant_reload_configuration(wpa_s))
8820                         reply_len = -1;
8821         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8822                 wpa_supplicant_terminate_proc(wpa_s->global);
8823         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
8824                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
8825                         reply_len = -1;
8826         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
8827                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
8828                         wpa_s, buf + 9, reply, reply_size);
8829         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
8830                 reply_len = wpa_supplicant_ctrl_iface_log_level(
8831                         wpa_s, buf + 9, reply, reply_size);
8832         } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
8833                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8834                         wpa_s, buf + 14, reply, reply_size);
8835         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
8836                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8837                         wpa_s, NULL, reply, reply_size);
8838         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
8839 #ifdef CONFIG_SME
8840                 wpa_s->sme.prev_bssid_set = 0;
8841 #endif /* CONFIG_SME */
8842                 wpa_s->reassociate = 0;
8843                 wpa_s->disconnected = 1;
8844                 wpa_supplicant_cancel_sched_scan(wpa_s);
8845                 wpa_supplicant_cancel_scan(wpa_s);
8846                 wpa_supplicant_deauthenticate(wpa_s,
8847                                               WLAN_REASON_DEAUTH_LEAVING);
8848                 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
8849         } else if (os_strcmp(buf, "SCAN") == 0) {
8850                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
8851         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
8852                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
8853         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
8854                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
8855                         wpa_s, reply, reply_size);
8856         } else if (os_strcmp(buf, "ABORT_SCAN") == 0) {
8857                 if (wpas_abort_ongoing_scan(wpa_s) < 0)
8858                         reply_len = -1;
8859         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
8860                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
8861                         reply_len = -1;
8862         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
8863                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
8864                         reply_len = -1;
8865         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
8866                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
8867                         reply_len = -1;
8868         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
8869                 reply_len = wpa_supplicant_ctrl_iface_add_network(
8870                         wpa_s, reply, reply_size);
8871         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
8872                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
8873                         reply_len = -1;
8874         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8875                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
8876                         reply_len = -1;
8877         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
8878                 reply_len = wpa_supplicant_ctrl_iface_get_network(
8879                         wpa_s, buf + 12, reply, reply_size);
8880         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
8881                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12,
8882                                                           wpa_s))
8883                         reply_len = -1;
8884         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
8885                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
8886                         wpa_s, reply, reply_size);
8887         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
8888                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
8889                         wpa_s, reply, reply_size);
8890         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
8891                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
8892                         reply_len = -1;
8893         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
8894                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
8895                         reply_len = -1;
8896         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
8897                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
8898                                                                reply,
8899                                                                reply_size);
8900 #ifndef CONFIG_NO_CONFIG_WRITE
8901         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8902                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
8903                         reply_len = -1;
8904 #endif /* CONFIG_NO_CONFIG_WRITE */
8905         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
8906                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
8907                         wpa_s, buf + 15, reply, reply_size);
8908         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
8909                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
8910                         reply_len = -1;
8911         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
8912                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
8913                         reply_len = -1;
8914         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8915                 reply_len = wpa_supplicant_global_iface_list(
8916                         wpa_s->global, reply, reply_size);
8917         } else if (os_strncmp(buf, "INTERFACES", 10) == 0) {
8918                 reply_len = wpa_supplicant_global_iface_interfaces(
8919                         wpa_s->global, buf + 10, reply, reply_size);
8920         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
8921                 reply_len = wpa_supplicant_ctrl_iface_bss(
8922                         wpa_s, buf + 4, reply, reply_size);
8923 #ifdef CONFIG_AP
8924         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
8925                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
8926         } else if (os_strncmp(buf, "STA ", 4) == 0) {
8927                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
8928                                               reply_size);
8929         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
8930                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
8931                                                    reply_size);
8932         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
8933                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
8934                         reply_len = -1;
8935         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
8936                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
8937                         reply_len = -1;
8938         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
8939                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
8940                         reply_len = -1;
8941         } else if (os_strcmp(buf, "STOP_AP") == 0) {
8942                 if (wpas_ap_stop_ap(wpa_s))
8943                         reply_len = -1;
8944 #endif /* CONFIG_AP */
8945         } else if (os_strcmp(buf, "SUSPEND") == 0) {
8946                 wpas_notify_suspend(wpa_s->global);
8947         } else if (os_strcmp(buf, "RESUME") == 0) {
8948                 wpas_notify_resume(wpa_s->global);
8949 #ifdef CONFIG_TESTING_OPTIONS
8950         } else if (os_strcmp(buf, "DROP_SA") == 0) {
8951                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
8952 #endif /* CONFIG_TESTING_OPTIONS */
8953         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
8954                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
8955                         reply_len = -1;
8956         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
8957                 wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
8958         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
8959                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
8960                         reply_len = -1;
8961         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
8962                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
8963                                                                buf + 17))
8964                         reply_len = -1;
8965         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
8966                 wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
8967 #ifdef CONFIG_TDLS
8968         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
8969                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
8970                         reply_len = -1;
8971         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
8972                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
8973                         reply_len = -1;
8974         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
8975                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
8976                         reply_len = -1;
8977         } else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
8978                 if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
8979                                                                buf + 17))
8980                         reply_len = -1;
8981         } else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
8982                 if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
8983                                                                       buf + 24))
8984                         reply_len = -1;
8985         } else if (os_strncmp(buf, "TDLS_LINK_STATUS ", 17) == 0) {
8986                 reply_len = wpa_supplicant_ctrl_iface_tdls_link_status(
8987                         wpa_s, buf + 17, reply, reply_size);
8988 #endif /* CONFIG_TDLS */
8989         } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
8990                 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
8991         } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
8992                 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
8993                         reply_len = -1;
8994         } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
8995                 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
8996                         reply_len = -1;
8997         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
8998                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
8999                                                        reply_size);
9000         } else if (os_strncmp(buf, "SIGNAL_MONITOR", 14) == 0) {
9001                 if (wpas_ctrl_iface_signal_monitor(wpa_s, buf + 14))
9002                         reply_len = -1;
9003         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
9004                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
9005                                                        reply_size);
9006 #ifdef CONFIG_AUTOSCAN
9007         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
9008                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
9009                         reply_len = -1;
9010 #endif /* CONFIG_AUTOSCAN */
9011 #ifdef ANDROID
9012         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
9013                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
9014                                                       reply_size);
9015 #endif /* ANDROID */
9016         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
9017                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
9018                                                       reply_size);
9019         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
9020                 pmksa_cache_clear_current(wpa_s->wpa);
9021                 eapol_sm_request_reauth(wpa_s->eapol);
9022 #ifdef CONFIG_WNM
9023         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
9024                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
9025                         reply_len = -1;
9026         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
9027                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
9028                                 reply_len = -1;
9029 #endif /* CONFIG_WNM */
9030         } else if (os_strcmp(buf, "FLUSH") == 0) {
9031                 wpa_supplicant_ctrl_iface_flush(wpa_s);
9032         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
9033                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
9034                                                  reply_size);
9035 #ifdef CONFIG_TESTING_OPTIONS
9036         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
9037                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
9038                         reply_len = -1;
9039         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
9040                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
9041         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
9042                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
9043                         reply_len = -1;
9044         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
9045                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
9046                         reply_len = -1;
9047         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
9048                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
9049                         reply_len = -1;
9050         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
9051                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
9052                         reply_len = -1;
9053         } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
9054                 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
9055                         reply_len = -1;
9056         } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
9057                 if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
9058                         reply_len = -1;
9059         } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
9060                 reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
9061         } else if (os_strncmp(buf, "TEST_FAIL ", 10) == 0) {
9062                 if (wpas_ctrl_test_fail(wpa_s, buf + 10) < 0)
9063                         reply_len = -1;
9064         } else if (os_strcmp(buf, "GET_FAIL") == 0) {
9065                 reply_len = wpas_ctrl_get_fail(wpa_s, reply, reply_size);
9066         } else if (os_strncmp(buf, "EVENT_TEST ", 11) == 0) {
9067                 if (wpas_ctrl_event_test(wpa_s, buf + 11) < 0)
9068                         reply_len = -1;
9069         } else if (os_strncmp(buf, "TEST_ASSOC_IE ", 14) == 0) {
9070                 if (wpas_ctrl_test_assoc_ie(wpa_s, buf + 14) < 0)
9071                         reply_len = -1;
9072 #endif /* CONFIG_TESTING_OPTIONS */
9073         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
9074                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
9075                         reply_len = -1;
9076         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
9077                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
9078                                                       reply_size);
9079         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
9080                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
9081                         reply_len = -1;
9082         } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
9083                 if (wpas_ctrl_iface_send_neigbor_rep(wpa_s, buf + 20))
9084                         reply_len = -1;
9085         } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
9086                 wpas_ctrl_iface_erp_flush(wpa_s);
9087         } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
9088                 if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
9089                         reply_len = -1;
9090         } else if (os_strncmp(buf, "GET_PREF_FREQ_LIST ", 19) == 0) {
9091                 reply_len = wpas_ctrl_iface_get_pref_freq_list(
9092                         wpa_s, buf + 19, reply, reply_size);
9093         } else {
9094                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
9095                 reply_len = 16;
9096         }
9097
9098         if (reply_len < 0) {
9099                 os_memcpy(reply, "FAIL\n", 5);
9100                 reply_len = 5;
9101         }
9102
9103         *resp_len = reply_len;
9104         return reply;
9105 }
9106
9107
9108 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
9109                                            char *cmd)
9110 {
9111         struct wpa_interface iface;
9112         char *pos, *extra;
9113         struct wpa_supplicant *wpa_s;
9114         unsigned int create_iface = 0;
9115         u8 mac_addr[ETH_ALEN];
9116         enum wpa_driver_if_type type = WPA_IF_STATION;
9117
9118         /*
9119          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
9120          * TAB<bridge_ifname>[TAB<create>[TAB<interface_type>]]
9121          */
9122         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
9123
9124         os_memset(&iface, 0, sizeof(iface));
9125
9126         do {
9127                 iface.ifname = pos = cmd;
9128                 pos = os_strchr(pos, '\t');
9129                 if (pos)
9130                         *pos++ = '\0';
9131                 if (iface.ifname[0] == '\0')
9132                         return -1;
9133                 if (pos == NULL)
9134                         break;
9135
9136                 iface.confname = pos;
9137                 pos = os_strchr(pos, '\t');
9138                 if (pos)
9139                         *pos++ = '\0';
9140                 if (iface.confname[0] == '\0')
9141                         iface.confname = NULL;
9142                 if (pos == NULL)
9143                         break;
9144
9145                 iface.driver = pos;
9146                 pos = os_strchr(pos, '\t');
9147                 if (pos)
9148                         *pos++ = '\0';
9149                 if (iface.driver[0] == '\0')
9150                         iface.driver = NULL;
9151                 if (pos == NULL)
9152                         break;
9153
9154                 iface.ctrl_interface = pos;
9155                 pos = os_strchr(pos, '\t');
9156                 if (pos)
9157                         *pos++ = '\0';
9158                 if (iface.ctrl_interface[0] == '\0')
9159                         iface.ctrl_interface = NULL;
9160                 if (pos == NULL)
9161                         break;
9162
9163                 iface.driver_param = pos;
9164                 pos = os_strchr(pos, '\t');
9165                 if (pos)
9166                         *pos++ = '\0';
9167                 if (iface.driver_param[0] == '\0')
9168                         iface.driver_param = NULL;
9169                 if (pos == NULL)
9170                         break;
9171
9172                 iface.bridge_ifname = pos;
9173                 pos = os_strchr(pos, '\t');
9174                 if (pos)
9175                         *pos++ = '\0';
9176                 if (iface.bridge_ifname[0] == '\0')
9177                         iface.bridge_ifname = NULL;
9178                 if (pos == NULL)
9179                         break;
9180
9181                 extra = pos;
9182                 pos = os_strchr(pos, '\t');
9183                 if (pos)
9184                         *pos++ = '\0';
9185                 if (!extra[0])
9186                         break;
9187
9188                 if (os_strcmp(extra, "create") == 0) {
9189                         create_iface = 1;
9190                         if (!pos)
9191                                 break;
9192
9193                         if (os_strcmp(pos, "sta") == 0) {
9194                                 type = WPA_IF_STATION;
9195                         } else if (os_strcmp(pos, "ap") == 0) {
9196                                 type = WPA_IF_AP_BSS;
9197                         } else {
9198                                 wpa_printf(MSG_DEBUG,
9199                                            "INTERFACE_ADD unsupported interface type: '%s'",
9200                                            pos);
9201                                 return -1;
9202                         }
9203                 } else {
9204                         wpa_printf(MSG_DEBUG,
9205                                    "INTERFACE_ADD unsupported extra parameter: '%s'",
9206                                    extra);
9207                         return -1;
9208                 }
9209         } while (0);
9210
9211         if (create_iface) {
9212                 wpa_printf(MSG_DEBUG, "CTRL_IFACE creating interface '%s'",
9213                            iface.ifname);
9214                 if (!global->ifaces)
9215                         return -1;
9216                 if (wpa_drv_if_add(global->ifaces, type, iface.ifname,
9217                                    NULL, NULL, NULL, mac_addr, NULL) < 0) {
9218                         wpa_printf(MSG_ERROR,
9219                                    "CTRL_IFACE interface creation failed");
9220                         return -1;
9221                 }
9222
9223                 wpa_printf(MSG_DEBUG,
9224                            "CTRL_IFACE interface '%s' created with MAC addr: "
9225                            MACSTR, iface.ifname, MAC2STR(mac_addr));
9226         }
9227
9228         if (wpa_supplicant_get_iface(global, iface.ifname))
9229                 goto fail;
9230
9231         wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
9232         if (!wpa_s)
9233                 goto fail;
9234         wpa_s->added_vif = create_iface;
9235         return 0;
9236
9237 fail:
9238         if (create_iface)
9239                 wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, iface.ifname);
9240         return -1;
9241 }
9242
9243
9244 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
9245                                               char *cmd)
9246 {
9247         struct wpa_supplicant *wpa_s;
9248         int ret;
9249         unsigned int delete_iface;
9250
9251         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
9252
9253         wpa_s = wpa_supplicant_get_iface(global, cmd);
9254         if (wpa_s == NULL)
9255                 return -1;
9256         delete_iface = wpa_s->added_vif;
9257         ret = wpa_supplicant_remove_iface(global, wpa_s, 0);
9258         if (!ret && delete_iface) {
9259                 wpa_printf(MSG_DEBUG, "CTRL_IFACE deleting the interface '%s'",
9260                            cmd);
9261                 ret = wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, cmd);
9262         }
9263         return ret;
9264 }
9265
9266
9267 static void wpa_free_iface_info(struct wpa_interface_info *iface)
9268 {
9269         struct wpa_interface_info *prev;
9270
9271         while (iface) {
9272                 prev = iface;
9273                 iface = iface->next;
9274
9275                 os_free(prev->ifname);
9276                 os_free(prev->desc);
9277                 os_free(prev);
9278         }
9279 }
9280
9281
9282 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
9283                                             char *buf, int len)
9284 {
9285         int i, res;
9286         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
9287         char *pos, *end;
9288
9289         for (i = 0; wpa_drivers[i]; i++) {
9290                 const struct wpa_driver_ops *drv = wpa_drivers[i];
9291                 if (drv->get_interfaces == NULL)
9292                         continue;
9293                 tmp = drv->get_interfaces(global->drv_priv[i]);
9294                 if (tmp == NULL)
9295                         continue;
9296
9297                 if (last == NULL)
9298                         iface = last = tmp;
9299                 else
9300                         last->next = tmp;
9301                 while (last->next)
9302                         last = last->next;
9303         }
9304
9305         pos = buf;
9306         end = buf + len;
9307         for (tmp = iface; tmp; tmp = tmp->next) {
9308                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
9309                                   tmp->drv_name, tmp->ifname,
9310                                   tmp->desc ? tmp->desc : "");
9311                 if (os_snprintf_error(end - pos, res)) {
9312                         *pos = '\0';
9313                         break;
9314                 }
9315                 pos += res;
9316         }
9317
9318         wpa_free_iface_info(iface);
9319
9320         return pos - buf;
9321 }
9322
9323
9324 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
9325                                                   const char *input,
9326                                                   char *buf, int len)
9327 {
9328         int res;
9329         char *pos, *end;
9330         struct wpa_supplicant *wpa_s;
9331         int show_ctrl = 0;
9332
9333         if (input)
9334                 show_ctrl = !!os_strstr(input, "ctrl");
9335
9336         wpa_s = global->ifaces;
9337         pos = buf;
9338         end = buf + len;
9339
9340         while (wpa_s) {
9341                 if (show_ctrl)
9342                         res = os_snprintf(pos, end - pos, "%s ctrl_iface=%s\n",
9343                                           wpa_s->ifname,
9344                                           wpa_s->conf->ctrl_interface ?
9345                                           wpa_s->conf->ctrl_interface : "N/A");
9346                 else
9347                         res = os_snprintf(pos, end - pos, "%s\n",
9348                                           wpa_s->ifname);
9349
9350                 if (os_snprintf_error(end - pos, res)) {
9351                         *pos = '\0';
9352                         break;
9353                 }
9354                 pos += res;
9355                 wpa_s = wpa_s->next;
9356         }
9357         return pos - buf;
9358 }
9359
9360
9361 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
9362                                             const char *ifname,
9363                                             char *cmd, size_t *resp_len)
9364 {
9365         struct wpa_supplicant *wpa_s;
9366
9367         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9368                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
9369                         break;
9370         }
9371
9372         if (wpa_s == NULL) {
9373                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
9374                 if (resp)
9375                         *resp_len = os_strlen(resp);
9376                 else
9377                         *resp_len = 1;
9378                 return resp;
9379         }
9380
9381         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
9382 }
9383
9384
9385 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
9386                                                char *buf, size_t *resp_len)
9387 {
9388 #ifdef CONFIG_P2P
9389         static const char * cmd[] = {
9390                 "LIST_NETWORKS",
9391                 "P2P_FIND",
9392                 "P2P_STOP_FIND",
9393                 "P2P_LISTEN",
9394                 "P2P_GROUP_ADD",
9395                 "P2P_GET_PASSPHRASE",
9396                 "P2P_SERVICE_UPDATE",
9397                 "P2P_SERVICE_FLUSH",
9398                 "P2P_FLUSH",
9399                 "P2P_CANCEL",
9400                 "P2P_PRESENCE_REQ",
9401                 "P2P_EXT_LISTEN",
9402                 NULL
9403         };
9404         static const char * prefix[] = {
9405 #ifdef ANDROID
9406                 "DRIVER ",
9407 #endif /* ANDROID */
9408                 "GET_NETWORK ",
9409                 "REMOVE_NETWORK ",
9410                 "P2P_FIND ",
9411                 "P2P_CONNECT ",
9412                 "P2P_LISTEN ",
9413                 "P2P_GROUP_REMOVE ",
9414                 "P2P_GROUP_ADD ",
9415                 "P2P_PROV_DISC ",
9416                 "P2P_SERV_DISC_REQ ",
9417                 "P2P_SERV_DISC_CANCEL_REQ ",
9418                 "P2P_SERV_DISC_RESP ",
9419                 "P2P_SERV_DISC_EXTERNAL ",
9420                 "P2P_SERVICE_ADD ",
9421                 "P2P_SERVICE_DEL ",
9422                 "P2P_SERVICE_REP ",
9423                 "P2P_REJECT ",
9424                 "P2P_INVITE ",
9425                 "P2P_PEER ",
9426                 "P2P_SET ",
9427                 "P2P_UNAUTHORIZE ",
9428                 "P2P_PRESENCE_REQ ",
9429                 "P2P_EXT_LISTEN ",
9430                 "P2P_REMOVE_CLIENT ",
9431                 "WPS_NFC_TOKEN ",
9432                 "WPS_NFC_TAG_READ ",
9433                 "NFC_GET_HANDOVER_SEL ",
9434                 "NFC_GET_HANDOVER_REQ ",
9435                 "NFC_REPORT_HANDOVER ",
9436                 "P2P_ASP_PROVISION ",
9437                 "P2P_ASP_PROVISION_RESP ",
9438                 NULL
9439         };
9440         int found = 0;
9441         int i;
9442
9443         if (global->p2p_init_wpa_s == NULL)
9444                 return NULL;
9445
9446         for (i = 0; !found && cmd[i]; i++) {
9447                 if (os_strcmp(buf, cmd[i]) == 0)
9448                         found = 1;
9449         }
9450
9451         for (i = 0; !found && prefix[i]; i++) {
9452                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
9453                         found = 1;
9454         }
9455
9456         if (found)
9457                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9458                                                          buf, resp_len);
9459 #endif /* CONFIG_P2P */
9460         return NULL;
9461 }
9462
9463
9464 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
9465                                                char *buf, size_t *resp_len)
9466 {
9467 #ifdef CONFIG_WIFI_DISPLAY
9468         if (global->p2p_init_wpa_s == NULL)
9469                 return NULL;
9470         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
9471             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
9472                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9473                                                          buf, resp_len);
9474 #endif /* CONFIG_WIFI_DISPLAY */
9475         return NULL;
9476 }
9477
9478
9479 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
9480                                            char *buf, size_t *resp_len)
9481 {
9482         char *ret;
9483
9484         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
9485         if (ret)
9486                 return ret;
9487
9488         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
9489         if (ret)
9490                 return ret;
9491
9492         return NULL;
9493 }
9494
9495
9496 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
9497 {
9498         char *value;
9499
9500         value = os_strchr(cmd, ' ');
9501         if (value == NULL)
9502                 return -1;
9503         *value++ = '\0';
9504
9505         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
9506
9507 #ifdef CONFIG_WIFI_DISPLAY
9508         if (os_strcasecmp(cmd, "wifi_display") == 0) {
9509                 wifi_display_enable(global, !!atoi(value));
9510                 return 0;
9511         }
9512 #endif /* CONFIG_WIFI_DISPLAY */
9513
9514         /* Restore cmd to its original value to allow redirection */
9515         value[-1] = ' ';
9516
9517         return -1;
9518 }
9519
9520
9521 static int wpas_global_ctrl_iface_dup_network(struct wpa_global *global,
9522                                               char *cmd)
9523 {
9524         struct wpa_supplicant *wpa_s[2]; /* src, dst */
9525         char *p;
9526         unsigned int i;
9527
9528         /* cmd: "<src ifname> <dst ifname> <src network id> <dst network id>
9529          * <variable name> */
9530
9531         for (i = 0; i < ARRAY_SIZE(wpa_s) ; i++) {
9532                 p = os_strchr(cmd, ' ');
9533                 if (p == NULL)
9534                         return -1;
9535                 *p = '\0';
9536
9537                 wpa_s[i] = global->ifaces;
9538                 for (; wpa_s[i]; wpa_s[i] = wpa_s[i]->next) {
9539                         if (os_strcmp(cmd, wpa_s[i]->ifname) == 0)
9540                                 break;
9541                 }
9542
9543                 if (!wpa_s[i]) {
9544                         wpa_printf(MSG_DEBUG,
9545                                    "CTRL_IFACE: Could not find iface=%s", cmd);
9546                         return -1;
9547                 }
9548
9549                 cmd = p + 1;
9550         }
9551
9552         return wpa_supplicant_ctrl_iface_dup_network(wpa_s[0], cmd, wpa_s[1]);
9553 }
9554
9555
9556 #ifndef CONFIG_NO_CONFIG_WRITE
9557 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
9558 {
9559         int ret = 0, saved = 0;
9560         struct wpa_supplicant *wpa_s;
9561
9562         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9563                 if (!wpa_s->conf->update_config) {
9564                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
9565                         continue;
9566                 }
9567
9568                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
9569                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
9570                         ret = 1;
9571                 } else {
9572                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
9573                         saved++;
9574                 }
9575         }
9576
9577         if (!saved && !ret) {
9578                 wpa_dbg(wpa_s, MSG_DEBUG,
9579                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
9580                 ret = 1;
9581         }
9582
9583         return ret;
9584 }
9585 #endif /* CONFIG_NO_CONFIG_WRITE */
9586
9587
9588 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
9589                                          char *buf, size_t buflen)
9590 {
9591         char *pos, *end;
9592         int ret;
9593         struct wpa_supplicant *wpa_s;
9594
9595         pos = buf;
9596         end = buf + buflen;
9597
9598 #ifdef CONFIG_P2P
9599         if (global->p2p && !global->p2p_disabled) {
9600                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
9601                                   "\n"
9602                                   "p2p_state=%s\n",
9603                                   MAC2STR(global->p2p_dev_addr),
9604                                   p2p_get_state_txt(global->p2p));
9605                 if (os_snprintf_error(end - pos, ret))
9606                         return pos - buf;
9607                 pos += ret;
9608         } else if (global->p2p) {
9609                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
9610                 if (os_snprintf_error(end - pos, ret))
9611                         return pos - buf;
9612                 pos += ret;
9613         }
9614 #endif /* CONFIG_P2P */
9615
9616 #ifdef CONFIG_WIFI_DISPLAY
9617         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
9618                           !!global->wifi_display);
9619         if (os_snprintf_error(end - pos, ret))
9620                 return pos - buf;
9621         pos += ret;
9622 #endif /* CONFIG_WIFI_DISPLAY */
9623
9624         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9625                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
9626                                   "address=" MACSTR "\n",
9627                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
9628                 if (os_snprintf_error(end - pos, ret))
9629                         return pos - buf;
9630                 pos += ret;
9631         }
9632
9633         return pos - buf;
9634 }
9635
9636
9637 #ifdef CONFIG_FST
9638
9639 static int wpas_global_ctrl_iface_fst_attach(struct wpa_global *global,
9640                                              char *cmd, char *buf,
9641                                              size_t reply_size)
9642 {
9643         char ifname[IFNAMSIZ + 1];
9644         struct fst_iface_cfg cfg;
9645         struct wpa_supplicant *wpa_s;
9646         struct fst_wpa_obj iface_obj;
9647
9648         if (!fst_parse_attach_command(cmd, ifname, sizeof(ifname), &cfg)) {
9649                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9650                 if (wpa_s) {
9651                         if (wpa_s->fst) {
9652                                 wpa_printf(MSG_INFO, "FST: Already attached");
9653                                 return -1;
9654                         }
9655                         fst_wpa_supplicant_fill_iface_obj(wpa_s, &iface_obj);
9656                         wpa_s->fst = fst_attach(ifname, wpa_s->own_addr,
9657                                                 &iface_obj, &cfg);
9658                         if (wpa_s->fst)
9659                                 return os_snprintf(buf, reply_size, "OK\n");
9660                 }
9661         }
9662
9663         return -1;
9664 }
9665
9666
9667 static int wpas_global_ctrl_iface_fst_detach(struct wpa_global *global,
9668                                              char *cmd, char *buf,
9669                                              size_t reply_size)
9670 {
9671         char ifname[IFNAMSIZ + 1];
9672         struct wpa_supplicant *wpa_s;
9673
9674         if (!fst_parse_detach_command(cmd, ifname, sizeof(ifname))) {
9675                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9676                 if (wpa_s) {
9677                         if (!fst_iface_detach(ifname)) {
9678                                 wpa_s->fst = NULL;
9679                                 return os_snprintf(buf, reply_size, "OK\n");
9680                         }
9681                 }
9682         }
9683
9684         return -1;
9685 }
9686
9687 #endif /* CONFIG_FST */
9688
9689
9690 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
9691                                                 char *buf, size_t *resp_len)
9692 {
9693         char *reply;
9694         const int reply_size = 2048;
9695         int reply_len;
9696         int level = MSG_DEBUG;
9697
9698         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
9699                 char *pos = os_strchr(buf + 7, ' ');
9700                 if (pos) {
9701                         *pos++ = '\0';
9702                         return wpas_global_ctrl_iface_ifname(global,
9703                                                              buf + 7, pos,
9704                                                              resp_len);
9705                 }
9706         }
9707
9708         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
9709         if (reply)
9710                 return reply;
9711
9712         if (os_strcmp(buf, "PING") == 0)
9713                 level = MSG_EXCESSIVE;
9714         wpa_hexdump_ascii(level, "RX global ctrl_iface",
9715                           (const u8 *) buf, os_strlen(buf));
9716
9717         reply = os_malloc(reply_size);
9718         if (reply == NULL) {
9719                 *resp_len = 1;
9720                 return NULL;
9721         }
9722
9723         os_memcpy(reply, "OK\n", 3);
9724         reply_len = 3;
9725
9726         if (os_strcmp(buf, "PING") == 0) {
9727                 os_memcpy(reply, "PONG\n", 5);
9728                 reply_len = 5;
9729         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
9730                 if (wpa_supplicant_global_iface_add(global, buf + 14))
9731                         reply_len = -1;
9732         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
9733                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
9734                         reply_len = -1;
9735         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
9736                 reply_len = wpa_supplicant_global_iface_list(
9737                         global, reply, reply_size);
9738         } else if (os_strncmp(buf, "INTERFACES", 10) == 0) {
9739                 reply_len = wpa_supplicant_global_iface_interfaces(
9740                         global, buf + 10, reply, reply_size);
9741 #ifdef CONFIG_FST
9742         } else if (os_strncmp(buf, "FST-ATTACH ", 11) == 0) {
9743                 reply_len = wpas_global_ctrl_iface_fst_attach(global, buf + 11,
9744                                                               reply,
9745                                                               reply_size);
9746         } else if (os_strncmp(buf, "FST-DETACH ", 11) == 0) {
9747                 reply_len = wpas_global_ctrl_iface_fst_detach(global, buf + 11,
9748                                                               reply,
9749                                                               reply_size);
9750         } else if (os_strncmp(buf, "FST-MANAGER ", 12) == 0) {
9751                 reply_len = fst_ctrl_iface_receive(buf + 12, reply, reply_size);
9752 #endif /* CONFIG_FST */
9753         } else if (os_strcmp(buf, "TERMINATE") == 0) {
9754                 wpa_supplicant_terminate_proc(global);
9755         } else if (os_strcmp(buf, "SUSPEND") == 0) {
9756                 wpas_notify_suspend(global);
9757         } else if (os_strcmp(buf, "RESUME") == 0) {
9758                 wpas_notify_resume(global);
9759         } else if (os_strncmp(buf, "SET ", 4) == 0) {
9760                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
9761 #ifdef CONFIG_P2P
9762                         if (global->p2p_init_wpa_s) {
9763                                 os_free(reply);
9764                                 /* Check if P2P redirection would work for this
9765                                  * command. */
9766                                 return wpa_supplicant_ctrl_iface_process(
9767                                         global->p2p_init_wpa_s,
9768                                         buf, resp_len);
9769                         }
9770 #endif /* CONFIG_P2P */
9771                         reply_len = -1;
9772                 }
9773         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
9774                 if (wpas_global_ctrl_iface_dup_network(global, buf + 12))
9775                         reply_len = -1;
9776 #ifndef CONFIG_NO_CONFIG_WRITE
9777         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
9778                 if (wpas_global_ctrl_iface_save_config(global))
9779                         reply_len = -1;
9780 #endif /* CONFIG_NO_CONFIG_WRITE */
9781         } else if (os_strcmp(buf, "STATUS") == 0) {
9782                 reply_len = wpas_global_ctrl_iface_status(global, reply,
9783                                                           reply_size);
9784 #ifdef CONFIG_MODULE_TESTS
9785         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
9786                 int wpas_module_tests(void);
9787                 if (wpas_module_tests() < 0)
9788                         reply_len = -1;
9789 #endif /* CONFIG_MODULE_TESTS */
9790         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
9791                 if (wpa_debug_reopen_file() < 0)
9792                         reply_len = -1;
9793         } else {
9794                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
9795                 reply_len = 16;
9796         }
9797
9798         if (reply_len < 0) {
9799                 os_memcpy(reply, "FAIL\n", 5);
9800                 reply_len = 5;
9801         }
9802
9803         *resp_len = reply_len;
9804         return reply;
9805 }