wpa_supplicant/ctrl_iface.c

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