wpa_supplicant/ctrl_iface.c

   1 /*
   2  * WPA Supplicant / Control interface (shared code for all backends)
   3  * Copyright (c) 2004-2014, 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
  11 #include "utils/common.h"
  12 #include "utils/eloop.h"
  13 #include "utils/uuid.h"
  14 #include "common/version.h"
  15 #include "common/ieee802_11_defs.h"
  16 #include "common/ieee802_11_common.h"
  17 #include "common/wpa_ctrl.h"
  18 #include "eap_peer/eap.h"
  19 #include "eapol_supp/eapol_supp_sm.h"
  20 #include "rsn_supp/wpa.h"
  21 #include "rsn_supp/preauth.h"
  22 #include "rsn_supp/pmksa_cache.h"
  23 #include "l2_packet/l2_packet.h"
  24 #include "wps/wps.h"
  25 #include "config.h"
  26 #include "wpa_supplicant_i.h"
  27 #include "driver_i.h"
  28 #include "wps_supplicant.h"
  29 #include "ibss_rsn.h"
  30 #include "ap.h"
  31 #include "p2p_supplicant.h"
  32 #include "p2p/p2p.h"
  33 #include "hs20_supplicant.h"
  34 #include "wifi_display.h"
  35 #include "notify.h"
  36 #include "bss.h"
  37 #include "scan.h"
  38 #include "ctrl_iface.h"
  39 #include "interworking.h"
  40 #include "blacklist.h"
  41 #include "autoscan.h"
  42 #include "wnm_sta.h"
  43 #include "offchannel.h"
  44
  45 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
  46                                             char *buf, int len);
  47 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
  48                                                   char *buf, int len);
  49 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
  50                                         char *val);
  51
  52 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
  53 {
  54         char *pos;
  55         u8 addr[ETH_ALEN], *filter = NULL, *n;
  56         size_t count = 0;
  57
  58         pos = val;
  59         while (pos) {
  60                 if (*pos == '\0')
  61                         break;
  62                 if (hwaddr_aton(pos, addr)) {
  63                         os_free(filter);
  64                         return -1;
  65                 }
  66                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
  67                 if (n == NULL) {
  68                         os_free(filter);
  69                         return -1;
  70                 }
  71                 filter = n;
  72                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
  73                 count++;
  74
  75                 pos = os_strchr(pos, ' ');
  76                 if (pos)
  77                         pos++;
  78         }
  79
  80         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
  81         os_free(wpa_s->bssid_filter);
  82         wpa_s->bssid_filter = filter;
  83         wpa_s->bssid_filter_count = count;
  84
  85         return 0;
  86 }
  87
  88
  89 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
  90 {
  91         char *pos;
  92         u8 addr[ETH_ALEN], *bssid = NULL, *n;
  93         struct wpa_ssid_value *ssid = NULL, *ns;
  94         size_t count = 0, ssid_count = 0;
  95         struct wpa_ssid *c;
  96
  97         /*
  98          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
  99          * SSID_SPEC ::= ssid <SSID_HEX>
 100          * BSSID_SPEC ::= bssid <BSSID_HEX>
 101          */
 102
 103         pos = val;
 104         while (pos) {
 105                 if (*pos == '\0')
 106                         break;
 107                 if (os_strncmp(pos, "bssid ", 6) == 0) {
 108                         int res;
 109                         pos += 6;
 110                         res = hwaddr_aton2(pos, addr);
 111                         if (res < 0) {
 112                                 os_free(ssid);
 113                                 os_free(bssid);
 114                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 115                                            "BSSID value '%s'", pos);
 116                                 return -1;
 117                         }
 118                         pos += res;
 119                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
 120                         if (n == NULL) {
 121                                 os_free(ssid);
 122                                 os_free(bssid);
 123                                 return -1;
 124                         }
 125                         bssid = n;
 126                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
 127                         count++;
 128                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
 129                         char *end;
 130                         pos += 5;
 131
 132                         end = pos;
 133                         while (*end) {
 134                                 if (*end == '\0' || *end == ' ')
 135                                         break;
 136                                 end++;
 137                         }
 138
 139                         ns = os_realloc_array(ssid, ssid_count + 1,
 140                                               sizeof(struct wpa_ssid_value));
 141                         if (ns == NULL) {
 142                                 os_free(ssid);
 143                                 os_free(bssid);
 144                                 return -1;
 145                         }
 146                         ssid = ns;
 147
 148                         if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
 149                             hexstr2bin(pos, ssid[ssid_count].ssid,
 150                                        (end - pos) / 2) < 0) {
 151                                 os_free(ssid);
 152                                 os_free(bssid);
 153                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 154                                            "SSID value '%s'", pos);
 155                                 return -1;
 156                         }
 157                         ssid[ssid_count].ssid_len = (end - pos) / 2;
 158                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
 159                                           ssid[ssid_count].ssid,
 160                                           ssid[ssid_count].ssid_len);
 161                         ssid_count++;
 162                         pos = end;
 163                 } else {
 164                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
 165                                    "'%s'", pos);
 166                         os_free(ssid);
 167                         os_free(bssid);
 168                         return -1;
 169                 }
 170
 171                 pos = os_strchr(pos, ' ');
 172                 if (pos)
 173                         pos++;
 174         }
 175
 176         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
 177         os_free(wpa_s->disallow_aps_bssid);
 178         wpa_s->disallow_aps_bssid = bssid;
 179         wpa_s->disallow_aps_bssid_count = count;
 180
 181         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
 182         os_free(wpa_s->disallow_aps_ssid);
 183         wpa_s->disallow_aps_ssid = ssid;
 184         wpa_s->disallow_aps_ssid_count = ssid_count;
 185
 186         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
 187                 return 0;
 188
 189         c = wpa_s->current_ssid;
 190         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
 191                 return 0;
 192
 193         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
 194             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
 195                 return 0;
 196
 197         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
 198                    "because current AP was marked disallowed");
 199
 200 #ifdef CONFIG_SME
 201         wpa_s->sme.prev_bssid_set = 0;
 202 #endif /* CONFIG_SME */
 203         wpa_s->reassociate = 1;
 204         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
 205         wpa_supplicant_req_scan(wpa_s, 0, 0);
 206
 207         return 0;
 208 }
 209
 210
 211 #ifndef CONFIG_NO_CONFIG_BLOBS
 212 static int wpas_ctrl_set_blob(struct wpa_supplicant *wpa_s, char *pos)
 213 {
 214         char *name = pos;
 215         struct wpa_config_blob *blob;
 216         size_t len;
 217
 218         pos = os_strchr(pos, ' ');
 219         if (pos == NULL)
 220                 return -1;
 221         *pos++ = '\0';
 222         len = os_strlen(pos);
 223         if (len & 1)
 224                 return -1;
 225
 226         wpa_printf(MSG_DEBUG, "CTRL: Set blob '%s'", name);
 227         blob = os_zalloc(sizeof(*blob));
 228         if (blob == NULL)
 229                 return -1;
 230         blob->name = os_strdup(name);
 231         blob->data = os_malloc(len / 2);
 232         if (blob->name == NULL || blob->data == NULL) {
 233                 wpa_config_free_blob(blob);
 234                 return -1;
 235         }
 236
 237         if (hexstr2bin(pos, blob->data, len / 2) < 0) {
 238                 wpa_printf(MSG_DEBUG, "CTRL: Invalid blob hex data");
 239                 wpa_config_free_blob(blob);
 240                 return -1;
 241         }
 242         blob->len = len / 2;
 243
 244         wpa_config_set_blob(wpa_s->conf, blob);
 245
 246         return 0;
 247 }
 248 #endif /* CONFIG_NO_CONFIG_BLOBS */
 249
 250
 251 static int wpas_ctrl_pno(struct wpa_supplicant *wpa_s, char *cmd)
 252 {
 253         char *params;
 254         char *pos;
 255         int *freqs = NULL;
 256         int ret;
 257
 258         if (atoi(cmd)) {
 259                 params = os_strchr(cmd, ' ');
 260                 os_free(wpa_s->manual_sched_scan_freqs);
 261                 if (params) {
 262                         params++;
 263                         pos = os_strstr(params, "freq=");
 264                         if (pos)
 265                                 freqs = freq_range_to_channel_list(wpa_s,
 266                                                                    pos + 5);
 267                 }
 268                 wpa_s->manual_sched_scan_freqs = freqs;
 269                 ret = wpas_start_pno(wpa_s);
 270         } else {
 271                 ret = wpas_stop_pno(wpa_s);
 272         }
 273         return ret;
 274 }
 275
 276
 277 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
 278                                          char *cmd)
 279 {
 280         char *value;
 281         int ret = 0;
 282
 283         value = os_strchr(cmd, ' ');
 284         if (value == NULL)
 285                 return -1;
 286         *value++ = '\0';
 287
 288         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
 289         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
 290                 eapol_sm_configure(wpa_s->eapol,
 291                                    atoi(value), -1, -1, -1);
 292         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
 293                 eapol_sm_configure(wpa_s->eapol,
 294                                    -1, atoi(value), -1, -1);
 295         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
 296                 eapol_sm_configure(wpa_s->eapol,
 297                                    -1, -1, atoi(value), -1);
 298         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
 299                 eapol_sm_configure(wpa_s->eapol,
 300                                    -1, -1, -1, atoi(value));
 301         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
 302                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
 303                                      atoi(value)))
 304                         ret = -1;
 305         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
 306                    0) {
 307                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
 308                                      atoi(value)))
 309                         ret = -1;
 310         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
 311                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
 312                         ret = -1;
 313         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
 314                 wpa_s->wps_fragment_size = atoi(value);
 315 #ifdef CONFIG_WPS_TESTING
 316         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
 317                 long int val;
 318                 val = strtol(value, NULL, 0);
 319                 if (val < 0 || val > 0xff) {
 320                         ret = -1;
 321                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
 322                                    "wps_version_number %ld", val);
 323                 } else {
 324                         wps_version_number = val;
 325                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
 326                                    "version %u.%u",
 327                                    (wps_version_number & 0xf0) >> 4,
 328                                    wps_version_number & 0x0f);
 329                 }
 330         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
 331                 wps_testing_dummy_cred = atoi(value);
 332                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
 333                            wps_testing_dummy_cred);
 334         } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
 335                 wps_corrupt_pkhash = atoi(value);
 336                 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
 337                            wps_corrupt_pkhash);
 338 #endif /* CONFIG_WPS_TESTING */
 339         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
 340                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
 341                         ret = -1;
 342 #ifdef CONFIG_TDLS
 343 #ifdef CONFIG_TDLS_TESTING
 344         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
 345                 extern unsigned int tdls_testing;
 346                 tdls_testing = strtol(value, NULL, 0);
 347                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
 348 #endif /* CONFIG_TDLS_TESTING */
 349         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
 350                 int disabled = atoi(value);
 351                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
 352                 if (disabled) {
 353                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
 354                                 ret = -1;
 355                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
 356                         ret = -1;
 357                 wpa_tdls_enable(wpa_s->wpa, !disabled);
 358 #endif /* CONFIG_TDLS */
 359         } else if (os_strcasecmp(cmd, "pno") == 0) {
 360                 ret = wpas_ctrl_pno(wpa_s, value);
 361         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
 362                 int disabled = atoi(value);
 363                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
 364                         ret = -1;
 365                 else if (disabled)
 366                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
 367         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
 368                 if (os_strcmp(value, "disable") == 0)
 369                         wpa_s->set_sta_uapsd = 0;
 370                 else {
 371                         int be, bk, vi, vo;
 372                         char *pos;
 373                         /* format: BE,BK,VI,VO;max SP Length */
 374                         be = atoi(value);
 375                         pos = os_strchr(value, ',');
 376                         if (pos == NULL)
 377                                 return -1;
 378                         pos++;
 379                         bk = atoi(pos);
 380                         pos = os_strchr(pos, ',');
 381                         if (pos == NULL)
 382                                 return -1;
 383                         pos++;
 384                         vi = atoi(pos);
 385                         pos = os_strchr(pos, ',');
 386                         if (pos == NULL)
 387                                 return -1;
 388                         pos++;
 389                         vo = atoi(pos);
 390                         /* ignore max SP Length for now */
 391
 392                         wpa_s->set_sta_uapsd = 1;
 393                         wpa_s->sta_uapsd = 0;
 394                         if (be)
 395                                 wpa_s->sta_uapsd |= BIT(0);
 396                         if (bk)
 397                                 wpa_s->sta_uapsd |= BIT(1);
 398                         if (vi)
 399                                 wpa_s->sta_uapsd |= BIT(2);
 400                         if (vo)
 401                                 wpa_s->sta_uapsd |= BIT(3);
 402                 }
 403         } else if (os_strcasecmp(cmd, "ps") == 0) {
 404                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
 405 #ifdef CONFIG_WIFI_DISPLAY
 406         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 407                 int enabled = !!atoi(value);
 408                 if (enabled && !wpa_s->global->p2p)
 409                         ret = -1;
 410                 else
 411                         wifi_display_enable(wpa_s->global, enabled);
 412 #endif /* CONFIG_WIFI_DISPLAY */
 413         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
 414                 ret = set_bssid_filter(wpa_s, value);
 415         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
 416                 ret = set_disallow_aps(wpa_s, value);
 417         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
 418                 wpa_s->no_keep_alive = !!atoi(value);
 419 #ifdef CONFIG_TESTING_OPTIONS
 420         } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
 421                 wpa_s->ext_mgmt_frame_handling = !!atoi(value);
 422 #endif /* CONFIG_TESTING_OPTIONS */
 423 #ifndef CONFIG_NO_CONFIG_BLOBS
 424         } else if (os_strcmp(cmd, "blob") == 0) {
 425                 ret = wpas_ctrl_set_blob(wpa_s, value);
 426 #endif /* CONFIG_NO_CONFIG_BLOBS */
 427         } else {
 428                 value[-1] = '=';
 429                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
 430                 if (ret == 0)
 431                         wpa_supplicant_update_config(wpa_s);
 432         }
 433
 434         return ret;
 435 }
 436
 437
 438 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
 439                                          char *cmd, char *buf, size_t buflen)
 440 {
 441         int res = -1;
 442
 443         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
 444
 445         if (os_strcmp(cmd, "version") == 0) {
 446                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
 447         } else if (os_strcasecmp(cmd, "country") == 0) {
 448                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
 449                         res = os_snprintf(buf, buflen, "%c%c",
 450                                           wpa_s->conf->country[0],
 451                                           wpa_s->conf->country[1]);
 452 #ifdef CONFIG_WIFI_DISPLAY
 453         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 454                 int enabled;
 455                 if (wpa_s->global->p2p == NULL ||
 456                     wpa_s->global->p2p_disabled)
 457                         enabled = 0;
 458                 else
 459                         enabled = wpa_s->global->wifi_display;
 460                 res = os_snprintf(buf, buflen, "%d", enabled);
 461                 if (res < 0 || (unsigned int) res >= buflen)
 462                         return -1;
 463                 return res;
 464 #endif /* CONFIG_WIFI_DISPLAY */
 465 #ifdef CONFIG_TESTING_GET_GTK
 466         } else if (os_strcmp(cmd, "gtk") == 0) {
 467                 if (wpa_s->last_gtk_len == 0)
 468                         return -1;
 469                 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
 470                                        wpa_s->last_gtk_len);
 471                 return res;
 472 #endif /* CONFIG_TESTING_GET_GTK */
 473         }
 474
 475         if (res < 0 || (unsigned int) res >= buflen)
 476                 return -1;
 477         return res;
 478 }
 479
 480
 481 #ifdef IEEE8021X_EAPOL
 482 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
 483                                              char *addr)
 484 {
 485         u8 bssid[ETH_ALEN];
 486         struct wpa_ssid *ssid = wpa_s->current_ssid;
 487
 488         if (hwaddr_aton(addr, bssid)) {
 489                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
 490                            "'%s'", addr);
 491                 return -1;
 492         }
 493
 494         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
 495         rsn_preauth_deinit(wpa_s->wpa);
 496         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
 497                 return -1;
 498
 499         return 0;
 500 }
 501 #endif /* IEEE8021X_EAPOL */
 502
 503
 504 #ifdef CONFIG_PEERKEY
 505 /* MLME-STKSTART.request(peer) */
 506 static int wpa_supplicant_ctrl_iface_stkstart(
 507         struct wpa_supplicant *wpa_s, char *addr)
 508 {
 509         u8 peer[ETH_ALEN];
 510
 511         if (hwaddr_aton(addr, peer)) {
 512                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
 513                            "address '%s'", addr);
 514                 return -1;
 515         }
 516
 517         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
 518                    MAC2STR(peer));
 519
 520         return wpa_sm_stkstart(wpa_s->wpa, peer);
 521 }
 522 #endif /* CONFIG_PEERKEY */
 523
 524
 525 #ifdef CONFIG_TDLS
 526
 527 static int wpa_supplicant_ctrl_iface_tdls_discover(
 528         struct wpa_supplicant *wpa_s, char *addr)
 529 {
 530         u8 peer[ETH_ALEN];
 531         int ret;
 532
 533         if (hwaddr_aton(addr, peer)) {
 534                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
 535                            "address '%s'", addr);
 536                 return -1;
 537         }
 538
 539         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
 540                    MAC2STR(peer));
 541
 542         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 543                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
 544         else
 545                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
 546
 547         return ret;
 548 }
 549
 550
 551 static int wpa_supplicant_ctrl_iface_tdls_setup(
 552         struct wpa_supplicant *wpa_s, char *addr)
 553 {
 554         u8 peer[ETH_ALEN];
 555         int ret;
 556
 557         if (hwaddr_aton(addr, peer)) {
 558                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
 559                            "address '%s'", addr);
 560                 return -1;
 561         }
 562
 563         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
 564                    MAC2STR(peer));
 565
 566         if ((wpa_s->conf->tdls_external_control) &&
 567             wpa_tdls_is_external_setup(wpa_s->wpa))
 568                 return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 569
 570         wpa_tdls_remove(wpa_s->wpa, peer);
 571
 572         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 573                 ret = wpa_tdls_start(wpa_s->wpa, peer);
 574         else
 575                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 576
 577         return ret;
 578 }
 579
 580
 581 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 582         struct wpa_supplicant *wpa_s, char *addr)
 583 {
 584         u8 peer[ETH_ALEN];
 585         int ret;
 586
 587         if (hwaddr_aton(addr, peer)) {
 588                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 589                            "address '%s'", addr);
 590                 return -1;
 591         }
 592
 593         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 594                    MAC2STR(peer));
 595
 596         if ((wpa_s->conf->tdls_external_control) &&
 597             wpa_tdls_is_external_setup(wpa_s->wpa))
 598                 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 599
 600         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 601                 ret = wpa_tdls_teardown_link(
 602                         wpa_s->wpa, peer,
 603                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 604         else
 605                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 606
 607         return ret;
 608 }
 609
 610
 611 static int ctrl_iface_get_capability_tdls(
 612         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
 613 {
 614         int ret;
 615
 616         ret = os_snprintf(buf, buflen, "%s\n",
 617                           wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
 618                           (wpa_s->drv_flags &
 619                            WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
 620                            "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
 621         if (ret < 0 || (size_t) ret > buflen)
 622                 return -1;
 623         return ret;
 624 }
 625
 626 #endif /* CONFIG_TDLS */
 627
 628
 629 #ifdef CONFIG_IEEE80211R
 630 static int wpa_supplicant_ctrl_iface_ft_ds(
 631         struct wpa_supplicant *wpa_s, char *addr)
 632 {
 633         u8 target_ap[ETH_ALEN];
 634         struct wpa_bss *bss;
 635         const u8 *mdie;
 636
 637         if (hwaddr_aton(addr, target_ap)) {
 638                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 639                            "address '%s'", addr);
 640                 return -1;
 641         }
 642
 643         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 644
 645         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 646         if (bss)
 647                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 648         else
 649                 mdie = NULL;
 650
 651         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 652 }
 653 #endif /* CONFIG_IEEE80211R */
 654
 655
 656 #ifdef CONFIG_WPS
 657 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 658                                              char *cmd)
 659 {
 660         u8 bssid[ETH_ALEN], *_bssid = bssid;
 661 #ifdef CONFIG_P2P
 662         u8 p2p_dev_addr[ETH_ALEN];
 663 #endif /* CONFIG_P2P */
 664 #ifdef CONFIG_AP
 665         u8 *_p2p_dev_addr = NULL;
 666 #endif /* CONFIG_AP */
 667
 668         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 669                 _bssid = NULL;
 670 #ifdef CONFIG_P2P
 671         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 672                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 673                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 674                                    "P2P Device Address '%s'",
 675                                    cmd + 13);
 676                         return -1;
 677                 }
 678                 _p2p_dev_addr = p2p_dev_addr;
 679 #endif /* CONFIG_P2P */
 680         } else if (hwaddr_aton(cmd, bssid)) {
 681                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 682                            cmd);
 683                 return -1;
 684         }
 685
 686 #ifdef CONFIG_AP
 687         if (wpa_s->ap_iface)
 688                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 689 #endif /* CONFIG_AP */
 690
 691         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 692 }
 693
 694
 695 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 696                                              char *cmd, char *buf,
 697                                              size_t buflen)
 698 {
 699         u8 bssid[ETH_ALEN], *_bssid = bssid;
 700         char *pin;
 701         int ret;
 702
 703         pin = os_strchr(cmd, ' ');
 704         if (pin)
 705                 *pin++ = '\0';
 706
 707         if (os_strcmp(cmd, "any") == 0)
 708                 _bssid = NULL;
 709         else if (os_strcmp(cmd, "get") == 0) {
 710                 ret = wps_generate_pin();
 711                 goto done;
 712         } else if (hwaddr_aton(cmd, bssid)) {
 713                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 714                            cmd);
 715                 return -1;
 716         }
 717
 718 #ifdef CONFIG_AP
 719         if (wpa_s->ap_iface) {
 720                 int timeout = 0;
 721                 char *pos;
 722
 723                 if (pin) {
 724                         pos = os_strchr(pin, ' ');
 725                         if (pos) {
 726                                 *pos++ = '\0';
 727                                 timeout = atoi(pos);
 728                         }
 729                 }
 730
 731                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 732                                                  buf, buflen, timeout);
 733         }
 734 #endif /* CONFIG_AP */
 735
 736         if (pin) {
 737                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 738                                          DEV_PW_DEFAULT);
 739                 if (ret < 0)
 740                         return -1;
 741                 ret = os_snprintf(buf, buflen, "%s", pin);
 742                 if (ret < 0 || (size_t) ret >= buflen)
 743                         return -1;
 744                 return ret;
 745         }
 746
 747         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 748         if (ret < 0)
 749                 return -1;
 750
 751 done:
 752         /* Return the generated PIN */
 753         ret = os_snprintf(buf, buflen, "%08d", ret);
 754         if (ret < 0 || (size_t) ret >= buflen)
 755                 return -1;
 756         return ret;
 757 }
 758
 759
 760 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 761         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 762 {
 763         char pin[9];
 764         size_t len;
 765         char *pos;
 766         int ret;
 767
 768         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
 769                               (u8 *) cmd, os_strlen(cmd));
 770         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
 771                 if (*pos < '0' || *pos > '9')
 772                         continue;
 773                 pin[len++] = *pos;
 774                 if (len == 9) {
 775                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
 776                         return -1;
 777                 }
 778         }
 779         if (len != 4 && len != 8) {
 780                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
 781                 return -1;
 782         }
 783         pin[len] = '\0';
 784
 785         if (len == 8) {
 786                 unsigned int pin_val;
 787                 pin_val = atoi(pin);
 788                 if (!wps_pin_valid(pin_val)) {
 789                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
 790                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
 791                         if (ret < 0 || (size_t) ret >= buflen)
 792                                 return -1;
 793                         return ret;
 794                 }
 795         }
 796
 797         ret = os_snprintf(buf, buflen, "%s", pin);
 798         if (ret < 0 || (size_t) ret >= buflen)
 799                 return -1;
 800
 801         return ret;
 802 }
 803
 804
 805 #ifdef CONFIG_WPS_NFC
 806
 807 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
 808                                              char *cmd)
 809 {
 810         u8 bssid[ETH_ALEN], *_bssid = bssid;
 811
 812         if (cmd == NULL || cmd[0] == '\0')
 813                 _bssid = NULL;
 814         else if (hwaddr_aton(cmd, bssid))
 815                 return -1;
 816
 817         return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
 818                                   0, 0);
 819 }
 820
 821
 822 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
 823         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 824 {
 825         int ndef;
 826         struct wpabuf *buf;
 827         int res;
 828         char *pos;
 829
 830         pos = os_strchr(cmd, ' ');
 831         if (pos)
 832                 *pos++ = '\0';
 833         if (os_strcmp(cmd, "WPS") == 0)
 834                 ndef = 0;
 835         else if (os_strcmp(cmd, "NDEF") == 0)
 836                 ndef = 1;
 837         else
 838                 return -1;
 839
 840         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
 841         if (buf == NULL)
 842                 return -1;
 843
 844         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 845                                          wpabuf_len(buf));
 846         reply[res++] = '\n';
 847         reply[res] = '\0';
 848
 849         wpabuf_free(buf);
 850
 851         return res;
 852 }
 853
 854
 855 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
 856         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 857 {
 858         int ndef;
 859         struct wpabuf *buf;
 860         int res;
 861
 862         if (os_strcmp(cmd, "WPS") == 0)
 863                 ndef = 0;
 864         else if (os_strcmp(cmd, "NDEF") == 0)
 865                 ndef = 1;
 866         else
 867                 return -1;
 868
 869         buf = wpas_wps_nfc_token(wpa_s, ndef);
 870         if (buf == NULL)
 871                 return -1;
 872
 873         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 874                                          wpabuf_len(buf));
 875         reply[res++] = '\n';
 876         reply[res] = '\0';
 877
 878         wpabuf_free(buf);
 879
 880         return res;
 881 }
 882
 883
 884 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
 885         struct wpa_supplicant *wpa_s, char *pos)
 886 {
 887         size_t len;
 888         struct wpabuf *buf;
 889         int ret;
 890         char *freq;
 891         int forced_freq = 0;
 892
 893         freq = strstr(pos, " freq=");
 894         if (freq) {
 895                 *freq = '\0';
 896                 freq += 6;
 897                 forced_freq = atoi(freq);
 898         }
 899
 900         len = os_strlen(pos);
 901         if (len & 0x01)
 902                 return -1;
 903         len /= 2;
 904
 905         buf = wpabuf_alloc(len);
 906         if (buf == NULL)
 907                 return -1;
 908         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
 909                 wpabuf_free(buf);
 910                 return -1;
 911         }
 912
 913         ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
 914         wpabuf_free(buf);
 915
 916         return ret;
 917 }
 918
 919
 920 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
 921                                               char *reply, size_t max_len,
 922                                               int ndef)
 923 {
 924         struct wpabuf *buf;
 925         int res;
 926
 927         buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
 928         if (buf == NULL)
 929                 return -1;
 930
 931         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 932                                          wpabuf_len(buf));
 933         reply[res++] = '\n';
 934         reply[res] = '\0';
 935
 936         wpabuf_free(buf);
 937
 938         return res;
 939 }
 940
 941
 942 #ifdef CONFIG_P2P
 943 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
 944                                               char *reply, size_t max_len,
 945                                               int ndef)
 946 {
 947         struct wpabuf *buf;
 948         int res;
 949
 950         buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
 951         if (buf == NULL) {
 952                 wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
 953                 return -1;
 954         }
 955
 956         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 957                                          wpabuf_len(buf));
 958         reply[res++] = '\n';
 959         reply[res] = '\0';
 960
 961         wpabuf_free(buf);
 962
 963         return res;
 964 }
 965 #endif /* CONFIG_P2P */
 966
 967
 968 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
 969                                           char *cmd, char *reply,
 970                                           size_t max_len)
 971 {
 972         char *pos;
 973         int ndef;
 974
 975         pos = os_strchr(cmd, ' ');
 976         if (pos == NULL)
 977                 return -1;
 978         *pos++ = '\0';
 979
 980         if (os_strcmp(cmd, "WPS") == 0)
 981                 ndef = 0;
 982         else if (os_strcmp(cmd, "NDEF") == 0)
 983                 ndef = 1;
 984         else
 985                 return -1;
 986
 987         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
 988                 if (!ndef)
 989                         return -1;
 990                 return wpas_ctrl_nfc_get_handover_req_wps(
 991                         wpa_s, reply, max_len, ndef);
 992         }
 993
 994 #ifdef CONFIG_P2P
 995         if (os_strcmp(pos, "P2P-CR") == 0) {
 996                 return wpas_ctrl_nfc_get_handover_req_p2p(
 997                         wpa_s, reply, max_len, ndef);
 998         }
 999 #endif /* CONFIG_P2P */
1000
1001         return -1;
1002 }
1003
1004
1005 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1006                                               char *reply, size_t max_len,
1007                                               int ndef, int cr, char *uuid)
1008 {
1009         struct wpabuf *buf;
1010         int res;
1011
1012         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1013         if (buf == NULL)
1014                 return -1;
1015
1016         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1017                                          wpabuf_len(buf));
1018         reply[res++] = '\n';
1019         reply[res] = '\0';
1020
1021         wpabuf_free(buf);
1022
1023         return res;
1024 }
1025
1026
1027 #ifdef CONFIG_P2P
1028 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1029                                               char *reply, size_t max_len,
1030                                               int ndef, int tag)
1031 {
1032         struct wpabuf *buf;
1033         int res;
1034
1035         buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1036         if (buf == NULL)
1037                 return -1;
1038
1039         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1040                                          wpabuf_len(buf));
1041         reply[res++] = '\n';
1042         reply[res] = '\0';
1043
1044         wpabuf_free(buf);
1045
1046         return res;
1047 }
1048 #endif /* CONFIG_P2P */
1049
1050
1051 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1052                                           char *cmd, char *reply,
1053                                           size_t max_len)
1054 {
1055         char *pos, *pos2;
1056         int ndef;
1057
1058         pos = os_strchr(cmd, ' ');
1059         if (pos == NULL)
1060                 return -1;
1061         *pos++ = '\0';
1062
1063         if (os_strcmp(cmd, "WPS") == 0)
1064                 ndef = 0;
1065         else if (os_strcmp(cmd, "NDEF") == 0)
1066                 ndef = 1;
1067         else
1068                 return -1;
1069
1070         pos2 = os_strchr(pos, ' ');
1071         if (pos2)
1072                 *pos2++ = '\0';
1073         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1074                 if (!ndef)
1075                         return -1;
1076                 return wpas_ctrl_nfc_get_handover_sel_wps(
1077                         wpa_s, reply, max_len, ndef,
1078                         os_strcmp(pos, "WPS-CR") == 0, pos2);
1079         }
1080
1081 #ifdef CONFIG_P2P
1082         if (os_strcmp(pos, "P2P-CR") == 0) {
1083                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1084                         wpa_s, reply, max_len, ndef, 0);
1085         }
1086
1087         if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1088                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1089                         wpa_s, reply, max_len, ndef, 1);
1090         }
1091 #endif /* CONFIG_P2P */
1092
1093         return -1;
1094 }
1095
1096
1097 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1098                                          char *cmd)
1099 {
1100         size_t len;
1101         struct wpabuf *req, *sel;
1102         int ret;
1103         char *pos, *role, *type, *pos2;
1104 #ifdef CONFIG_P2P
1105         char *freq;
1106         int forced_freq = 0;
1107
1108         freq = strstr(cmd, " freq=");
1109         if (freq) {
1110                 *freq = '\0';
1111                 freq += 6;
1112                 forced_freq = atoi(freq);
1113         }
1114 #endif /* CONFIG_P2P */
1115
1116         role = cmd;
1117         pos = os_strchr(role, ' ');
1118         if (pos == NULL) {
1119                 wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1120                 return -1;
1121         }
1122         *pos++ = '\0';
1123
1124         type = pos;
1125         pos = os_strchr(type, ' ');
1126         if (pos == NULL) {
1127                 wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1128                 return -1;
1129         }
1130         *pos++ = '\0';
1131
1132         pos2 = os_strchr(pos, ' ');
1133         if (pos2 == NULL) {
1134                 wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1135                 return -1;
1136         }
1137         *pos2++ = '\0';
1138
1139         len = os_strlen(pos);
1140         if (len & 0x01) {
1141                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1142                 return -1;
1143         }
1144         len /= 2;
1145
1146         req = wpabuf_alloc(len);
1147         if (req == NULL) {
1148                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1149                 return -1;
1150         }
1151         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1152                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1153                 wpabuf_free(req);
1154                 return -1;
1155         }
1156
1157         len = os_strlen(pos2);
1158         if (len & 0x01) {
1159                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1160                 wpabuf_free(req);
1161                 return -1;
1162         }
1163         len /= 2;
1164
1165         sel = wpabuf_alloc(len);
1166         if (sel == NULL) {
1167                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1168                 wpabuf_free(req);
1169                 return -1;
1170         }
1171         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1172                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1173                 wpabuf_free(req);
1174                 wpabuf_free(sel);
1175                 return -1;
1176         }
1177
1178         wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1179                    role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1180
1181         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1182                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1183 #ifdef CONFIG_AP
1184         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1185         {
1186                 ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1187                 if (ret < 0)
1188                         ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1189 #endif /* CONFIG_AP */
1190 #ifdef CONFIG_P2P
1191         } else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1192         {
1193                 ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1194         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1195         {
1196                 ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1197                                                    forced_freq);
1198 #endif /* CONFIG_P2P */
1199         } else {
1200                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1201                            "reported: role=%s type=%s", role, type);
1202                 ret = -1;
1203         }
1204         wpabuf_free(req);
1205         wpabuf_free(sel);
1206
1207         if (ret)
1208                 wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1209
1210         return ret;
1211 }
1212
1213 #endif /* CONFIG_WPS_NFC */
1214
1215
1216 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1217                                              char *cmd)
1218 {
1219         u8 bssid[ETH_ALEN];
1220         char *pin;
1221         char *new_ssid;
1222         char *new_auth;
1223         char *new_encr;
1224         char *new_key;
1225         struct wps_new_ap_settings ap;
1226
1227         pin = os_strchr(cmd, ' ');
1228         if (pin == NULL)
1229                 return -1;
1230         *pin++ = '\0';
1231
1232         if (hwaddr_aton(cmd, bssid)) {
1233                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1234                            cmd);
1235                 return -1;
1236         }
1237
1238         new_ssid = os_strchr(pin, ' ');
1239         if (new_ssid == NULL)
1240                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1241         *new_ssid++ = '\0';
1242
1243         new_auth = os_strchr(new_ssid, ' ');
1244         if (new_auth == NULL)
1245                 return -1;
1246         *new_auth++ = '\0';
1247
1248         new_encr = os_strchr(new_auth, ' ');
1249         if (new_encr == NULL)
1250                 return -1;
1251         *new_encr++ = '\0';
1252
1253         new_key = os_strchr(new_encr, ' ');
1254         if (new_key == NULL)
1255                 return -1;
1256         *new_key++ = '\0';
1257
1258         os_memset(&ap, 0, sizeof(ap));
1259         ap.ssid_hex = new_ssid;
1260         ap.auth = new_auth;
1261         ap.encr = new_encr;
1262         ap.key_hex = new_key;
1263         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1264 }
1265
1266
1267 #ifdef CONFIG_AP
1268 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1269                                                 char *cmd, char *buf,
1270                                                 size_t buflen)
1271 {
1272         int timeout = 300;
1273         char *pos;
1274         const char *pin_txt;
1275
1276         if (!wpa_s->ap_iface)
1277                 return -1;
1278
1279         pos = os_strchr(cmd, ' ');
1280         if (pos)
1281                 *pos++ = '\0';
1282
1283         if (os_strcmp(cmd, "disable") == 0) {
1284                 wpas_wps_ap_pin_disable(wpa_s);
1285                 return os_snprintf(buf, buflen, "OK\n");
1286         }
1287
1288         if (os_strcmp(cmd, "random") == 0) {
1289                 if (pos)
1290                         timeout = atoi(pos);
1291                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1292                 if (pin_txt == NULL)
1293                         return -1;
1294                 return os_snprintf(buf, buflen, "%s", pin_txt);
1295         }
1296
1297         if (os_strcmp(cmd, "get") == 0) {
1298                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1299                 if (pin_txt == NULL)
1300                         return -1;
1301                 return os_snprintf(buf, buflen, "%s", pin_txt);
1302         }
1303
1304         if (os_strcmp(cmd, "set") == 0) {
1305                 char *pin;
1306                 if (pos == NULL)
1307                         return -1;
1308                 pin = pos;
1309                 pos = os_strchr(pos, ' ');
1310                 if (pos) {
1311                         *pos++ = '\0';
1312                         timeout = atoi(pos);
1313                 }
1314                 if (os_strlen(pin) > buflen)
1315                         return -1;
1316                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1317                         return -1;
1318                 return os_snprintf(buf, buflen, "%s", pin);
1319         }
1320
1321         return -1;
1322 }
1323 #endif /* CONFIG_AP */
1324
1325
1326 #ifdef CONFIG_WPS_ER
1327 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1328                                                 char *cmd)
1329 {
1330         char *uuid = cmd, *pin, *pos;
1331         u8 addr_buf[ETH_ALEN], *addr = NULL;
1332         pin = os_strchr(uuid, ' ');
1333         if (pin == NULL)
1334                 return -1;
1335         *pin++ = '\0';
1336         pos = os_strchr(pin, ' ');
1337         if (pos) {
1338                 *pos++ = '\0';
1339                 if (hwaddr_aton(pos, addr_buf) == 0)
1340                         addr = addr_buf;
1341         }
1342         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1343 }
1344
1345
1346 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1347                                                   char *cmd)
1348 {
1349         char *uuid = cmd, *pin;
1350         pin = os_strchr(uuid, ' ');
1351         if (pin == NULL)
1352                 return -1;
1353         *pin++ = '\0';
1354         return wpas_wps_er_learn(wpa_s, uuid, pin);
1355 }
1356
1357
1358 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1359         struct wpa_supplicant *wpa_s, char *cmd)
1360 {
1361         char *uuid = cmd, *id;
1362         id = os_strchr(uuid, ' ');
1363         if (id == NULL)
1364                 return -1;
1365         *id++ = '\0';
1366         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1367 }
1368
1369
1370 static int wpa_supplicant_ctrl_iface_wps_er_config(
1371         struct wpa_supplicant *wpa_s, char *cmd)
1372 {
1373         char *pin;
1374         char *new_ssid;
1375         char *new_auth;
1376         char *new_encr;
1377         char *new_key;
1378         struct wps_new_ap_settings ap;
1379
1380         pin = os_strchr(cmd, ' ');
1381         if (pin == NULL)
1382                 return -1;
1383         *pin++ = '\0';
1384
1385         new_ssid = os_strchr(pin, ' ');
1386         if (new_ssid == NULL)
1387                 return -1;
1388         *new_ssid++ = '\0';
1389
1390         new_auth = os_strchr(new_ssid, ' ');
1391         if (new_auth == NULL)
1392                 return -1;
1393         *new_auth++ = '\0';
1394
1395         new_encr = os_strchr(new_auth, ' ');
1396         if (new_encr == NULL)
1397                 return -1;
1398         *new_encr++ = '\0';
1399
1400         new_key = os_strchr(new_encr, ' ');
1401         if (new_key == NULL)
1402                 return -1;
1403         *new_key++ = '\0';
1404
1405         os_memset(&ap, 0, sizeof(ap));
1406         ap.ssid_hex = new_ssid;
1407         ap.auth = new_auth;
1408         ap.encr = new_encr;
1409         ap.key_hex = new_key;
1410         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1411 }
1412
1413
1414 #ifdef CONFIG_WPS_NFC
1415 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1416         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1417 {
1418         int ndef;
1419         struct wpabuf *buf;
1420         int res;
1421         char *uuid;
1422
1423         uuid = os_strchr(cmd, ' ');
1424         if (uuid == NULL)
1425                 return -1;
1426         *uuid++ = '\0';
1427
1428         if (os_strcmp(cmd, "WPS") == 0)
1429                 ndef = 0;
1430         else if (os_strcmp(cmd, "NDEF") == 0)
1431                 ndef = 1;
1432         else
1433                 return -1;
1434
1435         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1436         if (buf == NULL)
1437                 return -1;
1438
1439         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1440                                          wpabuf_len(buf));
1441         reply[res++] = '\n';
1442         reply[res] = '\0';
1443
1444         wpabuf_free(buf);
1445
1446         return res;
1447 }
1448 #endif /* CONFIG_WPS_NFC */
1449 #endif /* CONFIG_WPS_ER */
1450
1451 #endif /* CONFIG_WPS */
1452
1453
1454 #ifdef CONFIG_IBSS_RSN
1455 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1456         struct wpa_supplicant *wpa_s, char *addr)
1457 {
1458         u8 peer[ETH_ALEN];
1459
1460         if (hwaddr_aton(addr, peer)) {
1461                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1462                            "address '%s'", addr);
1463                 return -1;
1464         }
1465
1466         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1467                    MAC2STR(peer));
1468
1469         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1470 }
1471 #endif /* CONFIG_IBSS_RSN */
1472
1473
1474 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1475                                               char *rsp)
1476 {
1477 #ifdef IEEE8021X_EAPOL
1478         char *pos, *id_pos;
1479         int id;
1480         struct wpa_ssid *ssid;
1481
1482         pos = os_strchr(rsp, '-');
1483         if (pos == NULL)
1484                 return -1;
1485         *pos++ = '\0';
1486         id_pos = pos;
1487         pos = os_strchr(pos, ':');
1488         if (pos == NULL)
1489                 return -1;
1490         *pos++ = '\0';
1491         id = atoi(id_pos);
1492         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1493         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1494                               (u8 *) pos, os_strlen(pos));
1495
1496         ssid = wpa_config_get_network(wpa_s->conf, id);
1497         if (ssid == NULL) {
1498                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1499                            "to update", id);
1500                 return -1;
1501         }
1502
1503         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1504                                                          pos);
1505 #else /* IEEE8021X_EAPOL */
1506         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1507         return -1;
1508 #endif /* IEEE8021X_EAPOL */
1509 }
1510
1511
1512 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1513                                             const char *params,
1514                                             char *buf, size_t buflen)
1515 {
1516         char *pos, *end, tmp[30];
1517         int res, verbose, wps, ret;
1518 #ifdef CONFIG_HS20
1519         const u8 *hs20;
1520 #endif /* CONFIG_HS20 */
1521
1522         if (os_strcmp(params, "-DRIVER") == 0)
1523                 return wpa_drv_status(wpa_s, buf, buflen);
1524         verbose = os_strcmp(params, "-VERBOSE") == 0;
1525         wps = os_strcmp(params, "-WPS") == 0;
1526         pos = buf;
1527         end = buf + buflen;
1528         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1529                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1530                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1531                                   MAC2STR(wpa_s->bssid));
1532                 if (ret < 0 || ret >= end - pos)
1533                         return pos - buf;
1534                 pos += ret;
1535                 if (ssid) {
1536                         u8 *_ssid = ssid->ssid;
1537                         size_t ssid_len = ssid->ssid_len;
1538                         u8 ssid_buf[MAX_SSID_LEN];
1539                         if (ssid_len == 0) {
1540                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1541                                 if (_res < 0)
1542                                         ssid_len = 0;
1543                                 else
1544                                         ssid_len = _res;
1545                                 _ssid = ssid_buf;
1546                         }
1547                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1548                                           wpa_ssid_txt(_ssid, ssid_len),
1549                                           ssid->id);
1550                         if (ret < 0 || ret >= end - pos)
1551                                 return pos - buf;
1552                         pos += ret;
1553
1554                         if (wps && ssid->passphrase &&
1555                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1556                             (ssid->mode == WPAS_MODE_AP ||
1557                              ssid->mode == WPAS_MODE_P2P_GO)) {
1558                                 ret = os_snprintf(pos, end - pos,
1559                                                   "passphrase=%s\n",
1560                                                   ssid->passphrase);
1561                                 if (ret < 0 || ret >= end - pos)
1562                                         return pos - buf;
1563                                 pos += ret;
1564                         }
1565                         if (ssid->id_str) {
1566                                 ret = os_snprintf(pos, end - pos,
1567                                                   "id_str=%s\n",
1568                                                   ssid->id_str);
1569                                 if (ret < 0 || ret >= end - pos)
1570                                         return pos - buf;
1571                                 pos += ret;
1572                         }
1573
1574                         switch (ssid->mode) {
1575                         case WPAS_MODE_INFRA:
1576                                 ret = os_snprintf(pos, end - pos,
1577                                                   "mode=station\n");
1578                                 break;
1579                         case WPAS_MODE_IBSS:
1580                                 ret = os_snprintf(pos, end - pos,
1581                                                   "mode=IBSS\n");
1582                                 break;
1583                         case WPAS_MODE_AP:
1584                                 ret = os_snprintf(pos, end - pos,
1585                                                   "mode=AP\n");
1586                                 break;
1587                         case WPAS_MODE_P2P_GO:
1588                                 ret = os_snprintf(pos, end - pos,
1589                                                   "mode=P2P GO\n");
1590                                 break;
1591                         case WPAS_MODE_P2P_GROUP_FORMATION:
1592                                 ret = os_snprintf(pos, end - pos,
1593                                                   "mode=P2P GO - group "
1594                                                   "formation\n");
1595                                 break;
1596                         default:
1597                                 ret = 0;
1598                                 break;
1599                         }
1600                         if (ret < 0 || ret >= end - pos)
1601                                 return pos - buf;
1602                         pos += ret;
1603                 }
1604
1605 #ifdef CONFIG_AP
1606                 if (wpa_s->ap_iface) {
1607                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1608                                                             end - pos,
1609                                                             verbose);
1610                 } else
1611 #endif /* CONFIG_AP */
1612                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1613         }
1614 #ifdef CONFIG_SAE
1615         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1616 #ifdef CONFIG_AP
1617             !wpa_s->ap_iface &&
1618 #endif /* CONFIG_AP */
1619             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1620                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1621                                   wpa_s->sme.sae.group);
1622                 if (ret < 0 || ret >= end - pos)
1623                         return pos - buf;
1624                 pos += ret;
1625         }
1626 #endif /* CONFIG_SAE */
1627         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1628                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1629         if (ret < 0 || ret >= end - pos)
1630                 return pos - buf;
1631         pos += ret;
1632
1633         if (wpa_s->l2 &&
1634             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1635                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1636                 if (ret < 0 || ret >= end - pos)
1637                         return pos - buf;
1638                 pos += ret;
1639         }
1640
1641 #ifdef CONFIG_P2P
1642         if (wpa_s->global->p2p) {
1643                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1644                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1645                 if (ret < 0 || ret >= end - pos)
1646                         return pos - buf;
1647                 pos += ret;
1648         }
1649 #endif /* CONFIG_P2P */
1650
1651         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1652                           MAC2STR(wpa_s->own_addr));
1653         if (ret < 0 || ret >= end - pos)
1654                 return pos - buf;
1655         pos += ret;
1656
1657 #ifdef CONFIG_HS20
1658         if (wpa_s->current_bss &&
1659             (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1660                                           HS20_IE_VENDOR_TYPE)) &&
1661             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1662             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1663                 int release = 1;
1664                 if (hs20[1] >= 5) {
1665                         u8 rel_num = (hs20[6] & 0xf0) >> 4;
1666                         release = rel_num + 1;
1667                 }
1668                 ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
1669                 if (ret < 0 || ret >= end - pos)
1670                         return pos - buf;
1671                 pos += ret;
1672         }
1673
1674         if (wpa_s->current_ssid) {
1675                 struct wpa_cred *cred;
1676                 char *type;
1677
1678                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1679                         size_t i;
1680
1681                         if (wpa_s->current_ssid->parent_cred != cred)
1682                                 continue;
1683
1684                         if (cred->provisioning_sp) {
1685                                 ret = os_snprintf(pos, end - pos,
1686                                                   "provisioning_sp=%s\n",
1687                                                   cred->provisioning_sp);
1688                                 if (ret < 0 || ret >= end - pos)
1689                                         return pos - buf;
1690                                 pos += ret;
1691                         }
1692
1693                         if (!cred->domain)
1694                                 goto no_domain;
1695
1696                         i = 0;
1697                         if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
1698                                 struct wpabuf *names =
1699                                         wpa_s->current_bss->anqp->domain_name;
1700                                 for (i = 0; names && i < cred->num_domain; i++)
1701                                 {
1702                                         if (domain_name_list_contains(
1703                                                     names, cred->domain[i], 1))
1704                                                 break;
1705                                 }
1706                                 if (i == cred->num_domain)
1707                                         i = 0; /* show first entry by default */
1708                         }
1709                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1710                                           cred->domain[i]);
1711                         if (ret < 0 || ret >= end - pos)
1712                                 return pos - buf;
1713                         pos += ret;
1714
1715                 no_domain:
1716                         if (wpa_s->current_bss == NULL ||
1717                             wpa_s->current_bss->anqp == NULL)
1718                                 res = -1;
1719                         else
1720                                 res = interworking_home_sp_cred(
1721                                         wpa_s, cred,
1722                                         wpa_s->current_bss->anqp->domain_name);
1723                         if (res > 0)
1724                                 type = "home";
1725                         else if (res == 0)
1726                                 type = "roaming";
1727                         else
1728                                 type = "unknown";
1729
1730                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1731                         if (ret < 0 || ret >= end - pos)
1732                                 return pos - buf;
1733                         pos += ret;
1734
1735                         break;
1736                 }
1737         }
1738 #endif /* CONFIG_HS20 */
1739
1740         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1741             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1742                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1743                                           verbose);
1744                 if (res >= 0)
1745                         pos += res;
1746         }
1747
1748         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1749         if (res >= 0)
1750                 pos += res;
1751
1752 #ifdef CONFIG_WPS
1753         {
1754                 char uuid_str[100];
1755                 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
1756                 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
1757                 if (ret < 0 || ret >= end - pos)
1758                         return pos - buf;
1759                 pos += ret;
1760         }
1761 #endif /* CONFIG_WPS */
1762
1763 #ifdef ANDROID
1764         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
1765                      "id=%d state=%d BSSID=" MACSTR " SSID=%s",
1766                      wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
1767                      wpa_s->wpa_state,
1768                      MAC2STR(wpa_s->bssid),
1769                      wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
1770                      wpa_ssid_txt(wpa_s->current_ssid->ssid,
1771                                   wpa_s->current_ssid->ssid_len) : "");
1772         if (wpa_s->wpa_state == WPA_COMPLETED) {
1773                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1774                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
1775                              "- connection to " MACSTR
1776                              " completed %s [id=%d id_str=%s]",
1777                              MAC2STR(wpa_s->bssid), "(auth)",
1778                              ssid ? ssid->id : -1,
1779                              ssid && ssid->id_str ? ssid->id_str : "");
1780         }
1781 #endif /* ANDROID */
1782
1783         return pos - buf;
1784 }
1785
1786
1787 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1788                                            char *cmd)
1789 {
1790         char *pos;
1791         int id;
1792         struct wpa_ssid *ssid;
1793         u8 bssid[ETH_ALEN];
1794
1795         /* cmd: "<network id> <BSSID>" */
1796         pos = os_strchr(cmd, ' ');
1797         if (pos == NULL)
1798                 return -1;
1799         *pos++ = '\0';
1800         id = atoi(cmd);
1801         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1802         if (hwaddr_aton(pos, bssid)) {
1803                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1804                 return -1;
1805         }
1806
1807         ssid = wpa_config_get_network(wpa_s->conf, id);
1808         if (ssid == NULL) {
1809                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1810                            "to update", id);
1811                 return -1;
1812         }
1813
1814         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1815         ssid->bssid_set = !is_zero_ether_addr(bssid);
1816
1817         return 0;
1818 }
1819
1820
1821 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1822                                                char *cmd, char *buf,
1823                                                size_t buflen)
1824 {
1825         u8 bssid[ETH_ALEN];
1826         struct wpa_blacklist *e;
1827         char *pos, *end;
1828         int ret;
1829
1830         /* cmd: "BLACKLIST [<BSSID>]" */
1831         if (*cmd == '\0') {
1832                 pos = buf;
1833                 end = buf + buflen;
1834                 e = wpa_s->blacklist;
1835                 while (e) {
1836                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1837                                           MAC2STR(e->bssid));
1838                         if (ret < 0 || ret >= end - pos)
1839                                 return pos - buf;
1840                         pos += ret;
1841                         e = e->next;
1842                 }
1843                 return pos - buf;
1844         }
1845
1846         cmd++;
1847         if (os_strncmp(cmd, "clear", 5) == 0) {
1848                 wpa_blacklist_clear(wpa_s);
1849                 os_memcpy(buf, "OK\n", 3);
1850                 return 3;
1851         }
1852
1853         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1854         if (hwaddr_aton(cmd, bssid)) {
1855                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1856                 return -1;
1857         }
1858
1859         /*
1860          * Add the BSSID twice, so its count will be 2, causing it to be
1861          * skipped when processing scan results.
1862          */
1863         ret = wpa_blacklist_add(wpa_s, bssid);
1864         if (ret < 0)
1865                 return -1;
1866         ret = wpa_blacklist_add(wpa_s, bssid);
1867         if (ret < 0)
1868                 return -1;
1869         os_memcpy(buf, "OK\n", 3);
1870         return 3;
1871 }
1872
1873
1874 static const char * debug_level_str(int level)
1875 {
1876         switch (level) {
1877         case MSG_EXCESSIVE:
1878                 return "EXCESSIVE";
1879         case MSG_MSGDUMP:
1880                 return "MSGDUMP";
1881         case MSG_DEBUG:
1882                 return "DEBUG";
1883         case MSG_INFO:
1884                 return "INFO";
1885         case MSG_WARNING:
1886                 return "WARNING";
1887         case MSG_ERROR:
1888                 return "ERROR";
1889         default:
1890                 return "?";
1891         }
1892 }
1893
1894
1895 static int str_to_debug_level(const char *s)
1896 {
1897         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1898                 return MSG_EXCESSIVE;
1899         if (os_strcasecmp(s, "MSGDUMP") == 0)
1900                 return MSG_MSGDUMP;
1901         if (os_strcasecmp(s, "DEBUG") == 0)
1902                 return MSG_DEBUG;
1903         if (os_strcasecmp(s, "INFO") == 0)
1904                 return MSG_INFO;
1905         if (os_strcasecmp(s, "WARNING") == 0)
1906                 return MSG_WARNING;
1907         if (os_strcasecmp(s, "ERROR") == 0)
1908                 return MSG_ERROR;
1909         return -1;
1910 }
1911
1912
1913 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1914                                                char *cmd, char *buf,
1915                                                size_t buflen)
1916 {
1917         char *pos, *end, *stamp;
1918         int ret;
1919
1920         if (cmd == NULL) {
1921                 return -1;
1922         }
1923
1924         /* cmd: "LOG_LEVEL [<level>]" */
1925         if (*cmd == '\0') {
1926                 pos = buf;
1927                 end = buf + buflen;
1928                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1929                                   "Timestamp: %d\n",
1930                                   debug_level_str(wpa_debug_level),
1931                                   wpa_debug_timestamp);
1932                 if (ret < 0 || ret >= end - pos)
1933                         ret = 0;
1934
1935                 return ret;
1936         }
1937
1938         while (*cmd == ' ')
1939                 cmd++;
1940
1941         stamp = os_strchr(cmd, ' ');
1942         if (stamp) {
1943                 *stamp++ = '\0';
1944                 while (*stamp == ' ') {
1945                         stamp++;
1946                 }
1947         }
1948
1949         if (cmd && os_strlen(cmd)) {
1950                 int level = str_to_debug_level(cmd);
1951                 if (level < 0)
1952                         return -1;
1953                 wpa_debug_level = level;
1954         }
1955
1956         if (stamp && os_strlen(stamp))
1957                 wpa_debug_timestamp = atoi(stamp);
1958
1959         os_memcpy(buf, "OK\n", 3);
1960         return 3;
1961 }
1962
1963
1964 static int wpa_supplicant_ctrl_iface_list_networks(
1965         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1966 {
1967         char *pos, *end;
1968         struct wpa_ssid *ssid;
1969         int ret;
1970
1971         pos = buf;
1972         end = buf + buflen;
1973         ret = os_snprintf(pos, end - pos,
1974                           "network id / ssid / bssid / flags\n");
1975         if (ret < 0 || ret >= end - pos)
1976                 return pos - buf;
1977         pos += ret;
1978
1979         ssid = wpa_s->conf->ssid;
1980         while (ssid) {
1981                 ret = os_snprintf(pos, end - pos, "%d\t%s",
1982                                   ssid->id,
1983                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1984                 if (ret < 0 || ret >= end - pos)
1985                         return pos - buf;
1986                 pos += ret;
1987                 if (ssid->bssid_set) {
1988                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1989                                           MAC2STR(ssid->bssid));
1990                 } else {
1991                         ret = os_snprintf(pos, end - pos, "\tany");
1992                 }
1993                 if (ret < 0 || ret >= end - pos)
1994                         return pos - buf;
1995                 pos += ret;
1996                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
1997                                   ssid == wpa_s->current_ssid ?
1998                                   "[CURRENT]" : "",
1999                                   ssid->disabled ? "[DISABLED]" : "",
2000                                   ssid->disabled_until.sec ?
2001                                   "[TEMP-DISABLED]" : "",
2002                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2003                                   "");
2004                 if (ret < 0 || ret >= end - pos)
2005                         return pos - buf;
2006                 pos += ret;
2007                 ret = os_snprintf(pos, end - pos, "\n");
2008                 if (ret < 0 || ret >= end - pos)
2009                         return pos - buf;
2010                 pos += ret;
2011
2012                 ssid = ssid->next;
2013         }
2014
2015         return pos - buf;
2016 }
2017
2018
2019 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2020 {
2021         int ret;
2022         ret = os_snprintf(pos, end - pos, "-");
2023         if (ret < 0 || ret >= end - pos)
2024                 return pos;
2025         pos += ret;
2026         ret = wpa_write_ciphers(pos, end, cipher, "+");
2027         if (ret < 0)
2028                 return pos;
2029         pos += ret;
2030         return pos;
2031 }
2032
2033
2034 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2035                                     const u8 *ie, size_t ie_len)
2036 {
2037         struct wpa_ie_data data;
2038         char *start;
2039         int ret;
2040
2041         ret = os_snprintf(pos, end - pos, "[%s-", proto);
2042         if (ret < 0 || ret >= end - pos)
2043                 return pos;
2044         pos += ret;
2045
2046         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2047                 ret = os_snprintf(pos, end - pos, "?]");
2048                 if (ret < 0 || ret >= end - pos)
2049                         return pos;
2050                 pos += ret;
2051                 return pos;
2052         }
2053
2054         start = pos;
2055         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2056                 ret = os_snprintf(pos, end - pos, "%sEAP",
2057                                   pos == start ? "" : "+");
2058                 if (ret < 0 || ret >= end - pos)
2059                         return pos;
2060                 pos += ret;
2061         }
2062         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2063                 ret = os_snprintf(pos, end - pos, "%sPSK",
2064                                   pos == start ? "" : "+");
2065                 if (ret < 0 || ret >= end - pos)
2066                         return pos;
2067                 pos += ret;
2068         }
2069         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2070                 ret = os_snprintf(pos, end - pos, "%sNone",
2071                                   pos == start ? "" : "+");
2072                 if (ret < 0 || ret >= end - pos)
2073                         return pos;
2074                 pos += ret;
2075         }
2076 #ifdef CONFIG_IEEE80211R
2077         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2078                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2079                                   pos == start ? "" : "+");
2080                 if (ret < 0 || ret >= end - pos)
2081                         return pos;
2082                 pos += ret;
2083         }
2084         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2085                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2086                                   pos == start ? "" : "+");
2087                 if (ret < 0 || ret >= end - pos)
2088                         return pos;
2089                 pos += ret;
2090         }
2091 #endif /* CONFIG_IEEE80211R */
2092 #ifdef CONFIG_IEEE80211W
2093         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2094                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2095                                   pos == start ? "" : "+");
2096                 if (ret < 0 || ret >= end - pos)
2097                         return pos;
2098                 pos += ret;
2099         }
2100         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2101                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2102                                   pos == start ? "" : "+");
2103                 if (ret < 0 || ret >= end - pos)
2104                         return pos;
2105                 pos += ret;
2106         }
2107 #endif /* CONFIG_IEEE80211W */
2108
2109         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2110
2111         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2112                 ret = os_snprintf(pos, end - pos, "-preauth");
2113                 if (ret < 0 || ret >= end - pos)
2114                         return pos;
2115                 pos += ret;
2116         }
2117
2118         ret = os_snprintf(pos, end - pos, "]");
2119         if (ret < 0 || ret >= end - pos)
2120                 return pos;
2121         pos += ret;
2122
2123         return pos;
2124 }
2125
2126
2127 #ifdef CONFIG_WPS
2128 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2129                                             char *pos, char *end,
2130                                             struct wpabuf *wps_ie)
2131 {
2132         int ret;
2133         const char *txt;
2134
2135         if (wps_ie == NULL)
2136                 return pos;
2137         if (wps_is_selected_pbc_registrar(wps_ie))
2138                 txt = "[WPS-PBC]";
2139         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2140                 txt = "[WPS-AUTH]";
2141         else if (wps_is_selected_pin_registrar(wps_ie))
2142                 txt = "[WPS-PIN]";
2143         else
2144                 txt = "[WPS]";
2145
2146         ret = os_snprintf(pos, end - pos, "%s", txt);
2147         if (ret >= 0 && ret < end - pos)
2148                 pos += ret;
2149         wpabuf_free(wps_ie);
2150         return pos;
2151 }
2152 #endif /* CONFIG_WPS */
2153
2154
2155 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2156                                         char *pos, char *end,
2157                                         const struct wpa_bss *bss)
2158 {
2159 #ifdef CONFIG_WPS
2160         struct wpabuf *wps_ie;
2161         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2162         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2163 #else /* CONFIG_WPS */
2164         return pos;
2165 #endif /* CONFIG_WPS */
2166 }
2167
2168
2169 /* Format one result on one text line into a buffer. */
2170 static int wpa_supplicant_ctrl_iface_scan_result(
2171         struct wpa_supplicant *wpa_s,
2172         const struct wpa_bss *bss, char *buf, size_t buflen)
2173 {
2174         char *pos, *end;
2175         int ret;
2176         const u8 *ie, *ie2, *p2p;
2177
2178         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2179         if (!p2p)
2180                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2181         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2182             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2183             0)
2184                 return 0; /* Do not show P2P listen discovery results here */
2185
2186         pos = buf;
2187         end = buf + buflen;
2188
2189         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2190                           MAC2STR(bss->bssid), bss->freq, bss->level);
2191         if (ret < 0 || ret >= end - pos)
2192                 return -1;
2193         pos += ret;
2194         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2195         if (ie)
2196                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2197         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2198         if (ie2)
2199                 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
2200         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2201         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2202                 ret = os_snprintf(pos, end - pos, "[WEP]");
2203                 if (ret < 0 || ret >= end - pos)
2204                         return -1;
2205                 pos += ret;
2206         }
2207         if (bss->caps & IEEE80211_CAP_IBSS) {
2208                 ret = os_snprintf(pos, end - pos, "[IBSS]");
2209                 if (ret < 0 || ret >= end - pos)
2210                         return -1;
2211                 pos += ret;
2212         }
2213         if (bss->caps & IEEE80211_CAP_ESS) {
2214                 ret = os_snprintf(pos, end - pos, "[ESS]");
2215                 if (ret < 0 || ret >= end - pos)
2216                         return -1;
2217                 pos += ret;
2218         }
2219         if (p2p) {
2220                 ret = os_snprintf(pos, end - pos, "[P2P]");
2221                 if (ret < 0 || ret >= end - pos)
2222                         return -1;
2223                 pos += ret;
2224         }
2225 #ifdef CONFIG_HS20
2226         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2227                 ret = os_snprintf(pos, end - pos, "[HS20]");
2228                 if (ret < 0 || ret >= end - pos)
2229                         return -1;
2230                 pos += ret;
2231         }
2232 #endif /* CONFIG_HS20 */
2233
2234         ret = os_snprintf(pos, end - pos, "\t%s",
2235                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2236         if (ret < 0 || ret >= end - pos)
2237                 return -1;
2238         pos += ret;
2239
2240         ret = os_snprintf(pos, end - pos, "\n");
2241         if (ret < 0 || ret >= end - pos)
2242                 return -1;
2243         pos += ret;
2244
2245         return pos - buf;
2246 }
2247
2248
2249 static int wpa_supplicant_ctrl_iface_scan_results(
2250         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2251 {
2252         char *pos, *end;
2253         struct wpa_bss *bss;
2254         int ret;
2255
2256         pos = buf;
2257         end = buf + buflen;
2258         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2259                           "flags / ssid\n");
2260         if (ret < 0 || ret >= end - pos)
2261                 return pos - buf;
2262         pos += ret;
2263
2264         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2265                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2266                                                             end - pos);
2267                 if (ret < 0 || ret >= end - pos)
2268                         return pos - buf;
2269                 pos += ret;
2270         }
2271
2272         return pos - buf;
2273 }
2274
2275
2276 static int wpa_supplicant_ctrl_iface_select_network(
2277         struct wpa_supplicant *wpa_s, char *cmd)
2278 {
2279         int id;
2280         struct wpa_ssid *ssid;
2281         char *pos;
2282
2283         /* cmd: "<network id>" or "any" */
2284         if (os_strncmp(cmd, "any", 3) == 0) {
2285                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2286                 ssid = NULL;
2287         } else {
2288                 id = atoi(cmd);
2289                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2290
2291                 ssid = wpa_config_get_network(wpa_s->conf, id);
2292                 if (ssid == NULL) {
2293                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2294                                    "network id=%d", id);
2295                         return -1;
2296                 }
2297                 if (ssid->disabled == 2) {
2298                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2299                                    "SELECT_NETWORK with persistent P2P group");
2300                         return -1;
2301                 }
2302         }
2303
2304         pos = os_strstr(cmd, " freq=");
2305         if (pos) {
2306                 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2307                 if (freqs) {
2308                         wpa_s->scan_req = MANUAL_SCAN_REQ;
2309                         os_free(wpa_s->manual_scan_freqs);
2310                         wpa_s->manual_scan_freqs = freqs;
2311                 }
2312         }
2313
2314         wpa_supplicant_select_network(wpa_s, ssid);
2315
2316         return 0;
2317 }
2318
2319
2320 static int wpa_supplicant_ctrl_iface_enable_network(
2321         struct wpa_supplicant *wpa_s, char *cmd)
2322 {
2323         int id;
2324         struct wpa_ssid *ssid;
2325
2326         /* cmd: "<network id>" or "all" */
2327         if (os_strcmp(cmd, "all") == 0) {
2328                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2329                 ssid = NULL;
2330         } else {
2331                 id = atoi(cmd);
2332                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2333
2334                 ssid = wpa_config_get_network(wpa_s->conf, id);
2335                 if (ssid == NULL) {
2336                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2337                                    "network id=%d", id);
2338                         return -1;
2339                 }
2340                 if (ssid->disabled == 2) {
2341                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2342                                    "ENABLE_NETWORK with persistent P2P group");
2343                         return -1;
2344                 }
2345
2346                 if (os_strstr(cmd, " no-connect")) {
2347                         ssid->disabled = 0;
2348                         return 0;
2349                 }
2350         }
2351         wpa_supplicant_enable_network(wpa_s, ssid);
2352
2353         return 0;
2354 }
2355
2356
2357 static int wpa_supplicant_ctrl_iface_disable_network(
2358         struct wpa_supplicant *wpa_s, char *cmd)
2359 {
2360         int id;
2361         struct wpa_ssid *ssid;
2362
2363         /* cmd: "<network id>" or "all" */
2364         if (os_strcmp(cmd, "all") == 0) {
2365                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2366                 ssid = NULL;
2367         } else {
2368                 id = atoi(cmd);
2369                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2370
2371                 ssid = wpa_config_get_network(wpa_s->conf, id);
2372                 if (ssid == NULL) {
2373                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2374                                    "network id=%d", id);
2375                         return -1;
2376                 }
2377                 if (ssid->disabled == 2) {
2378                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2379                                    "DISABLE_NETWORK with persistent P2P "
2380                                    "group");
2381                         return -1;
2382                 }
2383         }
2384         wpa_supplicant_disable_network(wpa_s, ssid);
2385
2386         return 0;
2387 }
2388
2389
2390 static int wpa_supplicant_ctrl_iface_add_network(
2391         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2392 {
2393         struct wpa_ssid *ssid;
2394         int ret;
2395
2396         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2397
2398         ssid = wpa_config_add_network(wpa_s->conf);
2399         if (ssid == NULL)
2400                 return -1;
2401
2402         wpas_notify_network_added(wpa_s, ssid);
2403
2404         ssid->disabled = 1;
2405         wpa_config_set_network_defaults(ssid);
2406
2407         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2408         if (ret < 0 || (size_t) ret >= buflen)
2409                 return -1;
2410         return ret;
2411 }
2412
2413
2414 static int wpa_supplicant_ctrl_iface_remove_network(
2415         struct wpa_supplicant *wpa_s, char *cmd)
2416 {
2417         int id;
2418         struct wpa_ssid *ssid;
2419         int was_disabled;
2420
2421         /* cmd: "<network id>" or "all" */
2422         if (os_strcmp(cmd, "all") == 0) {
2423                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2424                 if (wpa_s->sched_scanning)
2425                         wpa_supplicant_cancel_sched_scan(wpa_s);
2426
2427                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2428                 if (wpa_s->current_ssid) {
2429 #ifdef CONFIG_SME
2430                         wpa_s->sme.prev_bssid_set = 0;
2431 #endif /* CONFIG_SME */
2432                         wpa_sm_set_config(wpa_s->wpa, NULL);
2433                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2434                         wpa_supplicant_deauthenticate(
2435                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2436                 }
2437                 ssid = wpa_s->conf->ssid;
2438                 while (ssid) {
2439                         struct wpa_ssid *remove_ssid = ssid;
2440                         id = ssid->id;
2441                         ssid = ssid->next;
2442                         wpas_notify_network_removed(wpa_s, remove_ssid);
2443                         wpa_config_remove_network(wpa_s->conf, id);
2444                 }
2445                 return 0;
2446         }
2447
2448         id = atoi(cmd);
2449         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2450
2451         ssid = wpa_config_get_network(wpa_s->conf, id);
2452         if (ssid)
2453                 wpas_notify_network_removed(wpa_s, ssid);
2454         if (ssid == NULL) {
2455                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2456                            "id=%d", id);
2457                 return -1;
2458         }
2459
2460         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2461 #ifdef CONFIG_SME
2462                 wpa_s->sme.prev_bssid_set = 0;
2463 #endif /* CONFIG_SME */
2464                 /*
2465                  * Invalidate the EAP session cache if the current or
2466                  * previously used network is removed.
2467                  */
2468                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2469         }
2470
2471         if (ssid == wpa_s->current_ssid) {
2472                 wpa_sm_set_config(wpa_s->wpa, NULL);
2473                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2474
2475                 wpa_supplicant_deauthenticate(wpa_s,
2476                                               WLAN_REASON_DEAUTH_LEAVING);
2477         }
2478
2479         was_disabled = ssid->disabled;
2480
2481         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2482                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2483                            "network id=%d", id);
2484                 return -1;
2485         }
2486
2487         if (!was_disabled && wpa_s->sched_scanning) {
2488                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2489                            "network from filters");
2490                 wpa_supplicant_cancel_sched_scan(wpa_s);
2491                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2492         }
2493
2494         return 0;
2495 }
2496
2497
2498 static int wpa_supplicant_ctrl_iface_update_network(
2499         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
2500         char *name, char *value)
2501 {
2502         if (wpa_config_set(ssid, name, value, 0) < 0) {
2503                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2504                            "variable '%s'", name);
2505                 return -1;
2506         }
2507
2508         if (os_strcmp(name, "bssid") != 0 &&
2509             os_strcmp(name, "priority") != 0)
2510                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2511
2512         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2513                 /*
2514                  * Invalidate the EAP session cache if anything in the current
2515                  * or previously used configuration changes.
2516                  */
2517                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2518         }
2519
2520         if ((os_strcmp(name, "psk") == 0 &&
2521              value[0] == '"' && ssid->ssid_len) ||
2522             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2523                 wpa_config_update_psk(ssid);
2524         else if (os_strcmp(name, "priority") == 0)
2525                 wpa_config_update_prio_list(wpa_s->conf);
2526
2527         return 0;
2528 }
2529
2530
2531 static int wpa_supplicant_ctrl_iface_set_network(
2532         struct wpa_supplicant *wpa_s, char *cmd)
2533 {
2534         int id;
2535         struct wpa_ssid *ssid;
2536         char *name, *value;
2537
2538         /* cmd: "<network id> <variable name> <value>" */
2539         name = os_strchr(cmd, ' ');
2540         if (name == NULL)
2541                 return -1;
2542         *name++ = '\0';
2543
2544         value = os_strchr(name, ' ');
2545         if (value == NULL)
2546                 return -1;
2547         *value++ = '\0';
2548
2549         id = atoi(cmd);
2550         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2551                    id, name);
2552         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2553                               (u8 *) value, os_strlen(value));
2554
2555         ssid = wpa_config_get_network(wpa_s->conf, id);
2556         if (ssid == NULL) {
2557                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2558                            "id=%d", id);
2559                 return -1;
2560         }
2561
2562         return wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
2563                                                         value);
2564 }
2565
2566
2567 static int wpa_supplicant_ctrl_iface_get_network(
2568         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2569 {
2570         int id;
2571         size_t res;
2572         struct wpa_ssid *ssid;
2573         char *name, *value;
2574
2575         /* cmd: "<network id> <variable name>" */
2576         name = os_strchr(cmd, ' ');
2577         if (name == NULL || buflen == 0)
2578                 return -1;
2579         *name++ = '\0';
2580
2581         id = atoi(cmd);
2582         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2583                    id, name);
2584
2585         ssid = wpa_config_get_network(wpa_s->conf, id);
2586         if (ssid == NULL) {
2587                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2588                            "id=%d", id);
2589                 return -1;
2590         }
2591
2592         value = wpa_config_get_no_key(ssid, name);
2593         if (value == NULL) {
2594                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2595                            "variable '%s'", name);
2596                 return -1;
2597         }
2598
2599         res = os_strlcpy(buf, value, buflen);
2600         if (res >= buflen) {
2601                 os_free(value);
2602                 return -1;
2603         }
2604
2605         os_free(value);
2606
2607         return res;
2608 }
2609
2610
2611 static int wpa_supplicant_ctrl_iface_dup_network(
2612         struct wpa_supplicant *wpa_s, char *cmd)
2613 {
2614         struct wpa_ssid *ssid_s, *ssid_d;
2615         char *name, *id, *value;
2616         int id_s, id_d, ret;
2617
2618         /* cmd: "<src network id> <dst network id> <variable name>" */
2619         id = os_strchr(cmd, ' ');
2620         if (id == NULL)
2621                 return -1;
2622         *id++ = '\0';
2623
2624         name = os_strchr(id, ' ');
2625         if (name == NULL)
2626                 return -1;
2627         *name++ = '\0';
2628
2629         id_s = atoi(cmd);
2630         id_d = atoi(id);
2631         wpa_printf(MSG_DEBUG, "CTRL_IFACE: DUP_NETWORK id=%d -> %d name='%s'",
2632                    id_s, id_d, name);
2633
2634         ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
2635         if (ssid_s == NULL) {
2636                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2637                            "network id=%d", id_s);
2638                 return -1;
2639         }
2640
2641         ssid_d = wpa_config_get_network(wpa_s->conf, id_d);
2642         if (ssid_d == NULL) {
2643                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2644                            "network id=%d", id_s);
2645                 return -1;
2646         }
2647
2648         value = wpa_config_get(ssid_s, name);
2649         if (value == NULL) {
2650                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2651                            "variable '%s'", name);
2652                 return -1;
2653         }
2654
2655         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid_d, name,
2656                                                        value);
2657
2658         os_free(value);
2659
2660         return ret;
2661 }
2662
2663
2664 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2665                                                 char *buf, size_t buflen)
2666 {
2667         char *pos, *end;
2668         struct wpa_cred *cred;
2669         int ret;
2670
2671         pos = buf;
2672         end = buf + buflen;
2673         ret = os_snprintf(pos, end - pos,
2674                           "cred id / realm / username / domain / imsi\n");
2675         if (ret < 0 || ret >= end - pos)
2676                 return pos - buf;
2677         pos += ret;
2678
2679         cred = wpa_s->conf->cred;
2680         while (cred) {
2681                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2682                                   cred->id, cred->realm ? cred->realm : "",
2683                                   cred->username ? cred->username : "",
2684                                   cred->domain ? cred->domain[0] : "",
2685                                   cred->imsi ? cred->imsi : "");
2686                 if (ret < 0 || ret >= end - pos)
2687                         return pos - buf;
2688                 pos += ret;
2689
2690                 cred = cred->next;
2691         }
2692
2693         return pos - buf;
2694 }
2695
2696
2697 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2698                                               char *buf, size_t buflen)
2699 {
2700         struct wpa_cred *cred;
2701         int ret;
2702
2703         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2704
2705         cred = wpa_config_add_cred(wpa_s->conf);
2706         if (cred == NULL)
2707                 return -1;
2708
2709         wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
2710
2711         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2712         if (ret < 0 || (size_t) ret >= buflen)
2713                 return -1;
2714         return ret;
2715 }
2716
2717
2718 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2719                                  struct wpa_cred *cred)
2720 {
2721         struct wpa_ssid *ssid;
2722         char str[20];
2723         int id;
2724
2725         if (cred == NULL) {
2726                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2727                 return -1;
2728         }
2729
2730         id = cred->id;
2731         if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
2732                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2733                 return -1;
2734         }
2735
2736         wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
2737
2738         /* Remove any network entry created based on the removed credential */
2739         ssid = wpa_s->conf->ssid;
2740         while (ssid) {
2741                 if (ssid->parent_cred == cred) {
2742                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2743                                    "used the removed credential", ssid->id);
2744                         os_snprintf(str, sizeof(str), "%d", ssid->id);
2745                         ssid = ssid->next;
2746                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2747                 } else
2748                         ssid = ssid->next;
2749         }
2750
2751         return 0;
2752 }
2753
2754
2755 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2756                                                  char *cmd)
2757 {
2758         int id;
2759         struct wpa_cred *cred, *prev;
2760
2761         /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
2762          * "provisioning_sp=<FQDN> */
2763         if (os_strcmp(cmd, "all") == 0) {
2764                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2765                 cred = wpa_s->conf->cred;
2766                 while (cred) {
2767                         prev = cred;
2768                         cred = cred->next;
2769                         wpas_ctrl_remove_cred(wpa_s, prev);
2770                 }
2771                 return 0;
2772         }
2773
2774         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2775                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2776                            cmd + 8);
2777                 cred = wpa_s->conf->cred;
2778                 while (cred) {
2779                         prev = cred;
2780                         cred = cred->next;
2781                         if (prev->domain) {
2782                                 size_t i;
2783                                 for (i = 0; i < prev->num_domain; i++) {
2784                                         if (os_strcmp(prev->domain[i], cmd + 8)
2785                                             != 0)
2786                                                 continue;
2787                                         wpas_ctrl_remove_cred(wpa_s, prev);
2788                                         break;
2789                                 }
2790                         }
2791                 }
2792                 return 0;
2793         }
2794
2795         if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
2796                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
2797                            cmd + 16);
2798                 cred = wpa_s->conf->cred;
2799                 while (cred) {
2800                         prev = cred;
2801                         cred = cred->next;
2802                         if (prev->provisioning_sp &&
2803                             os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
2804                                 wpas_ctrl_remove_cred(wpa_s, prev);
2805                 }
2806                 return 0;
2807         }
2808
2809         id = atoi(cmd);
2810         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2811
2812         cred = wpa_config_get_cred(wpa_s->conf, id);
2813         return wpas_ctrl_remove_cred(wpa_s, cred);
2814 }
2815
2816
2817 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2818                                               char *cmd)
2819 {
2820         int id;
2821         struct wpa_cred *cred;
2822         char *name, *value;
2823
2824         /* cmd: "<cred id> <variable name> <value>" */
2825         name = os_strchr(cmd, ' ');
2826         if (name == NULL)
2827                 return -1;
2828         *name++ = '\0';
2829
2830         value = os_strchr(name, ' ');
2831         if (value == NULL)
2832                 return -1;
2833         *value++ = '\0';
2834
2835         id = atoi(cmd);
2836         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2837                    id, name);
2838         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2839                               (u8 *) value, os_strlen(value));
2840
2841         cred = wpa_config_get_cred(wpa_s->conf, id);
2842         if (cred == NULL) {
2843                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2844                            id);
2845                 return -1;
2846         }
2847
2848         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2849                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2850                            "variable '%s'", name);
2851                 return -1;
2852         }
2853
2854         wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
2855
2856         return 0;
2857 }
2858
2859
2860 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
2861                                               char *cmd, char *buf,
2862                                               size_t buflen)
2863 {
2864         int id;
2865         size_t res;
2866         struct wpa_cred *cred;
2867         char *name, *value;
2868
2869         /* cmd: "<cred id> <variable name>" */
2870         name = os_strchr(cmd, ' ');
2871         if (name == NULL)
2872                 return -1;
2873         *name++ = '\0';
2874
2875         id = atoi(cmd);
2876         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
2877                    id, name);
2878
2879         cred = wpa_config_get_cred(wpa_s->conf, id);
2880         if (cred == NULL) {
2881                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2882                            id);
2883                 return -1;
2884         }
2885
2886         value = wpa_config_get_cred_no_key(cred, name);
2887         if (value == NULL) {
2888                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
2889                            name);
2890                 return -1;
2891         }
2892
2893         res = os_strlcpy(buf, value, buflen);
2894         if (res >= buflen) {
2895                 os_free(value);
2896                 return -1;
2897         }
2898
2899         os_free(value);
2900
2901         return res;
2902 }
2903
2904
2905 #ifndef CONFIG_NO_CONFIG_WRITE
2906 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2907 {
2908         int ret;
2909
2910         if (!wpa_s->conf->update_config) {
2911                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2912                            "to update configuration (update_config=0)");
2913                 return -1;
2914         }
2915
2916         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2917         if (ret) {
2918                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2919                            "update configuration");
2920         } else {
2921                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2922                            " updated");
2923         }
2924
2925         return ret;
2926 }
2927 #endif /* CONFIG_NO_CONFIG_WRITE */
2928
2929
2930 struct cipher_info {
2931         unsigned int capa;
2932         const char *name;
2933         int group_only;
2934 };
2935
2936 static const struct cipher_info ciphers[] = {
2937         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
2938         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
2939         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
2940         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
2941         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
2942         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
2943         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
2944         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
2945 };
2946
2947
2948 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2949                                               struct wpa_driver_capa *capa,
2950                                               char *buf, size_t buflen)
2951 {
2952         int ret;
2953         char *pos, *end;
2954         size_t len;
2955         unsigned int i;
2956
2957         pos = buf;
2958         end = pos + buflen;
2959
2960         if (res < 0) {
2961                 if (strict)
2962                         return 0;
2963                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2964                 if (len >= buflen)
2965                         return -1;
2966                 return len;
2967         }
2968
2969         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
2970                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
2971                         ret = os_snprintf(pos, end - pos, "%s%s",
2972                                           pos == buf ? "" : " ",
2973                                           ciphers[i].name);
2974                         if (ret < 0 || ret >= end - pos)
2975                                 return pos - buf;
2976                         pos += ret;
2977                 }
2978         }
2979
2980         return pos - buf;
2981 }
2982
2983
2984 static int ctrl_iface_get_capability_group(int res, char *strict,
2985                                            struct wpa_driver_capa *capa,
2986                                            char *buf, size_t buflen)
2987 {
2988         int ret;
2989         char *pos, *end;
2990         size_t len;
2991         unsigned int i;
2992
2993         pos = buf;
2994         end = pos + buflen;
2995
2996         if (res < 0) {
2997                 if (strict)
2998                         return 0;
2999                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3000                 if (len >= buflen)
3001                         return -1;
3002                 return len;
3003         }
3004
3005         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3006                 if (capa->enc & ciphers[i].capa) {
3007                         ret = os_snprintf(pos, end - pos, "%s%s",
3008                                           pos == buf ? "" : " ",
3009                                           ciphers[i].name);
3010                         if (ret < 0 || ret >= end - pos)
3011                                 return pos - buf;
3012                         pos += ret;
3013                 }
3014         }
3015
3016         return pos - buf;
3017 }
3018
3019
3020 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3021                                               struct wpa_driver_capa *capa,
3022                                               char *buf, size_t buflen)
3023 {
3024         int ret;
3025         char *pos, *end;
3026         size_t len;
3027
3028         pos = buf;
3029         end = pos + buflen;
3030
3031         if (res < 0) {
3032                 if (strict)
3033                         return 0;
3034                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3035                                  "NONE", buflen);
3036                 if (len >= buflen)
3037                         return -1;
3038                 return len;
3039         }
3040
3041         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3042         if (ret < 0 || ret >= end - pos)
3043                 return pos - buf;
3044         pos += ret;
3045
3046         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3047                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3048                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3049                 if (ret < 0 || ret >= end - pos)
3050                         return pos - buf;
3051                 pos += ret;
3052         }
3053
3054         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3055                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3056                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3057                 if (ret < 0 || ret >= end - pos)
3058                         return pos - buf;
3059                 pos += ret;
3060         }
3061
3062         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3063                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3064                 if (ret < 0 || ret >= end - pos)
3065                         return pos - buf;
3066                 pos += ret;
3067         }
3068
3069         return pos - buf;
3070 }
3071
3072
3073 static int ctrl_iface_get_capability_proto(int res, char *strict,
3074                                            struct wpa_driver_capa *capa,
3075                                            char *buf, size_t buflen)
3076 {
3077         int ret;
3078         char *pos, *end;
3079         size_t len;
3080
3081         pos = buf;
3082         end = pos + buflen;
3083
3084         if (res < 0) {
3085                 if (strict)
3086                         return 0;
3087                 len = os_strlcpy(buf, "RSN WPA", buflen);
3088                 if (len >= buflen)
3089                         return -1;
3090                 return len;
3091         }
3092
3093         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3094                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3095                 ret = os_snprintf(pos, end - pos, "%sRSN",
3096                                   pos == buf ? "" : " ");
3097                 if (ret < 0 || ret >= end - pos)
3098                         return pos - buf;
3099                 pos += ret;
3100         }
3101
3102         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3103                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3104                 ret = os_snprintf(pos, end - pos, "%sWPA",
3105                                   pos == buf ? "" : " ");
3106                 if (ret < 0 || ret >= end - pos)
3107                         return pos - buf;
3108                 pos += ret;
3109         }
3110
3111         return pos - buf;
3112 }
3113
3114
3115 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
3116                                               struct wpa_driver_capa *capa,
3117                                               char *buf, size_t buflen)
3118 {
3119         int ret;
3120         char *pos, *end;
3121         size_t len;
3122
3123         pos = buf;
3124         end = pos + buflen;
3125
3126         if (res < 0) {
3127                 if (strict)
3128                         return 0;
3129                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3130                 if (len >= buflen)
3131                         return -1;
3132                 return len;
3133         }
3134
3135         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3136                 ret = os_snprintf(pos, end - pos, "%sOPEN",
3137                                   pos == buf ? "" : " ");
3138                 if (ret < 0 || ret >= end - pos)
3139                         return pos - buf;
3140                 pos += ret;
3141         }
3142
3143         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3144                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3145                                   pos == buf ? "" : " ");
3146                 if (ret < 0 || ret >= end - pos)
3147                         return pos - buf;
3148                 pos += ret;
3149         }
3150
3151         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3152                 ret = os_snprintf(pos, end - pos, "%sLEAP",
3153                                   pos == buf ? "" : " ");
3154                 if (ret < 0 || ret >= end - pos)
3155                         return pos - buf;
3156                 pos += ret;
3157         }
3158
3159         return pos - buf;
3160 }
3161
3162
3163 static int ctrl_iface_get_capability_modes(int res, char *strict,
3164                                            struct wpa_driver_capa *capa,
3165                                            char *buf, size_t buflen)
3166 {
3167         int ret;
3168         char *pos, *end;
3169         size_t len;
3170
3171         pos = buf;
3172         end = pos + buflen;
3173
3174         if (res < 0) {
3175                 if (strict)
3176                         return 0;
3177                 len = os_strlcpy(buf, "IBSS AP", buflen);
3178                 if (len >= buflen)
3179                         return -1;
3180                 return len;
3181         }
3182
3183         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3184                 ret = os_snprintf(pos, end - pos, "%sIBSS",
3185                                   pos == buf ? "" : " ");
3186                 if (ret < 0 || ret >= end - pos)
3187                         return pos - buf;
3188                 pos += ret;
3189         }
3190
3191         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3192                 ret = os_snprintf(pos, end - pos, "%sAP",
3193                                   pos == buf ? "" : " ");
3194                 if (ret < 0 || ret >= end - pos)
3195                         return pos - buf;
3196                 pos += ret;
3197         }
3198
3199         return pos - buf;
3200 }
3201
3202
3203 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3204                                               char *buf, size_t buflen)
3205 {
3206         struct hostapd_channel_data *chnl;
3207         int ret, i, j;
3208         char *pos, *end, *hmode;
3209
3210         pos = buf;
3211         end = pos + buflen;
3212
3213         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3214                 switch (wpa_s->hw.modes[j].mode) {
3215                 case HOSTAPD_MODE_IEEE80211B:
3216                         hmode = "B";
3217                         break;
3218                 case HOSTAPD_MODE_IEEE80211G:
3219                         hmode = "G";
3220                         break;
3221                 case HOSTAPD_MODE_IEEE80211A:
3222                         hmode = "A";
3223                         break;
3224                 case HOSTAPD_MODE_IEEE80211AD:
3225                         hmode = "AD";
3226                         break;
3227                 default:
3228                         continue;
3229                 }
3230                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3231                 if (ret < 0 || ret >= end - pos)
3232                         return pos - buf;
3233                 pos += ret;
3234                 chnl = wpa_s->hw.modes[j].channels;
3235                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3236                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3237                                 continue;
3238                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3239                         if (ret < 0 || ret >= end - pos)
3240                                 return pos - buf;
3241                         pos += ret;
3242                 }
3243                 ret = os_snprintf(pos, end - pos, "\n");
3244                 if (ret < 0 || ret >= end - pos)
3245                         return pos - buf;
3246                 pos += ret;
3247         }
3248
3249         return pos - buf;
3250 }
3251
3252
3253 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3254                                           char *buf, size_t buflen)
3255 {
3256         struct hostapd_channel_data *chnl;
3257         int ret, i, j;
3258         char *pos, *end, *hmode;
3259
3260         pos = buf;
3261         end = pos + buflen;
3262
3263         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3264                 switch (wpa_s->hw.modes[j].mode) {
3265                 case HOSTAPD_MODE_IEEE80211B:
3266                         hmode = "B";
3267                         break;
3268                 case HOSTAPD_MODE_IEEE80211G:
3269                         hmode = "G";
3270                         break;
3271                 case HOSTAPD_MODE_IEEE80211A:
3272                         hmode = "A";
3273                         break;
3274                 case HOSTAPD_MODE_IEEE80211AD:
3275                         hmode = "AD";
3276                         break;
3277                 default:
3278                         continue;
3279                 }
3280                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3281                                   hmode);
3282                 if (ret < 0 || ret >= end - pos)
3283                         return pos - buf;
3284                 pos += ret;
3285                 chnl = wpa_s->hw.modes[j].channels;
3286                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3287                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3288                                 continue;
3289                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3290                                           chnl[i].chan, chnl[i].freq,
3291                                           chnl[i].flag & HOSTAPD_CHAN_NO_IBSS ?
3292                                           " (NO_IBSS)" : "",
3293                                           chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3294                                           " (DFS)" : "");
3295
3296                         if (ret < 0 || ret >= end - pos)
3297                                 return pos - buf;
3298                         pos += ret;
3299                 }
3300                 ret = os_snprintf(pos, end - pos, "\n");
3301                 if (ret < 0 || ret >= end - pos)
3302                         return pos - buf;
3303                 pos += ret;
3304         }
3305
3306         return pos - buf;
3307 }
3308
3309
3310 static int wpa_supplicant_ctrl_iface_get_capability(
3311         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3312         size_t buflen)
3313 {
3314         struct wpa_driver_capa capa;
3315         int res;
3316         char *strict;
3317         char field[30];
3318         size_t len;
3319
3320         /* Determine whether or not strict checking was requested */
3321         len = os_strlcpy(field, _field, sizeof(field));
3322         if (len >= sizeof(field))
3323                 return -1;
3324         strict = os_strchr(field, ' ');
3325         if (strict != NULL) {
3326                 *strict++ = '\0';
3327                 if (os_strcmp(strict, "strict") != 0)
3328                         return -1;
3329         }
3330
3331         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3332                 field, strict ? strict : "");
3333
3334         if (os_strcmp(field, "eap") == 0) {
3335                 return eap_get_names(buf, buflen);
3336         }
3337
3338         res = wpa_drv_get_capa(wpa_s, &capa);
3339
3340         if (os_strcmp(field, "pairwise") == 0)
3341                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3342                                                           buf, buflen);
3343
3344         if (os_strcmp(field, "group") == 0)
3345                 return ctrl_iface_get_capability_group(res, strict, &capa,
3346                                                        buf, buflen);
3347
3348         if (os_strcmp(field, "key_mgmt") == 0)
3349                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3350                                                           buf, buflen);
3351
3352         if (os_strcmp(field, "proto") == 0)
3353                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3354                                                        buf, buflen);
3355
3356         if (os_strcmp(field, "auth_alg") == 0)
3357                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
3358                                                           buf, buflen);
3359
3360         if (os_strcmp(field, "modes") == 0)
3361                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3362                                                        buf, buflen);
3363
3364         if (os_strcmp(field, "channels") == 0)
3365                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3366
3367         if (os_strcmp(field, "freq") == 0)
3368                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3369
3370 #ifdef CONFIG_TDLS
3371         if (os_strcmp(field, "tdls") == 0)
3372                 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3373 #endif /* CONFIG_TDLS */
3374
3375         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3376                    field);
3377
3378         return -1;
3379 }
3380
3381
3382 #ifdef CONFIG_INTERWORKING
3383 static char * anqp_add_hex(char *pos, char *end, const char *title,
3384                            struct wpabuf *data)
3385 {
3386         char *start = pos;
3387         size_t i;
3388         int ret;
3389         const u8 *d;
3390
3391         if (data == NULL)
3392                 return start;
3393
3394         ret = os_snprintf(pos, end - pos, "%s=", title);
3395         if (ret < 0 || ret >= end - pos)
3396                 return start;
3397         pos += ret;
3398
3399         d = wpabuf_head_u8(data);
3400         for (i = 0; i < wpabuf_len(data); i++) {
3401                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3402                 if (ret < 0 || ret >= end - pos)
3403                         return start;
3404                 pos += ret;
3405         }
3406
3407         ret = os_snprintf(pos, end - pos, "\n");
3408         if (ret < 0 || ret >= end - pos)
3409                 return start;
3410         pos += ret;
3411
3412         return pos;
3413 }
3414 #endif /* CONFIG_INTERWORKING */
3415
3416
3417 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3418                           unsigned long mask, char *buf, size_t buflen)
3419 {
3420         size_t i;
3421         int ret;
3422         char *pos, *end;
3423         const u8 *ie, *ie2;
3424
3425         pos = buf;
3426         end = buf + buflen;
3427
3428         if (mask & WPA_BSS_MASK_ID) {
3429                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3430                 if (ret < 0 || ret >= end - pos)
3431                         return 0;
3432                 pos += ret;
3433         }
3434
3435         if (mask & WPA_BSS_MASK_BSSID) {
3436                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3437                                   MAC2STR(bss->bssid));
3438                 if (ret < 0 || ret >= end - pos)
3439                         return 0;
3440                 pos += ret;
3441         }
3442
3443         if (mask & WPA_BSS_MASK_FREQ) {
3444                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3445                 if (ret < 0 || ret >= end - pos)
3446                         return 0;
3447                 pos += ret;
3448         }
3449
3450         if (mask & WPA_BSS_MASK_BEACON_INT) {
3451                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3452                                   bss->beacon_int);
3453                 if (ret < 0 || ret >= end - pos)
3454                         return 0;
3455                 pos += ret;
3456         }
3457
3458         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3459                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3460                                   bss->caps);
3461                 if (ret < 0 || ret >= end - pos)
3462                         return 0;
3463                 pos += ret;
3464         }
3465
3466         if (mask & WPA_BSS_MASK_QUAL) {
3467                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3468                 if (ret < 0 || ret >= end - pos)
3469                         return 0;
3470                 pos += ret;
3471         }
3472
3473         if (mask & WPA_BSS_MASK_NOISE) {
3474                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3475                 if (ret < 0 || ret >= end - pos)
3476                         return 0;
3477                 pos += ret;
3478         }
3479
3480         if (mask & WPA_BSS_MASK_LEVEL) {
3481                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3482                 if (ret < 0 || ret >= end - pos)
3483                         return 0;
3484                 pos += ret;
3485         }
3486
3487         if (mask & WPA_BSS_MASK_TSF) {
3488                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3489                                   (unsigned long long) bss->tsf);
3490                 if (ret < 0 || ret >= end - pos)
3491                         return 0;
3492                 pos += ret;
3493         }
3494
3495         if (mask & WPA_BSS_MASK_AGE) {
3496                 struct os_reltime now;
3497
3498                 os_get_reltime(&now);
3499                 ret = os_snprintf(pos, end - pos, "age=%d\n",
3500                                   (int) (now.sec - bss->last_update.sec));
3501                 if (ret < 0 || ret >= end - pos)
3502                         return 0;
3503                 pos += ret;
3504         }
3505
3506         if (mask & WPA_BSS_MASK_IE) {
3507                 ret = os_snprintf(pos, end - pos, "ie=");
3508                 if (ret < 0 || ret >= end - pos)
3509                         return 0;
3510                 pos += ret;
3511
3512                 ie = (const u8 *) (bss + 1);
3513                 for (i = 0; i < bss->ie_len; i++) {
3514                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3515                         if (ret < 0 || ret >= end - pos)
3516                                 return 0;
3517                         pos += ret;
3518                 }
3519
3520                 ret = os_snprintf(pos, end - pos, "\n");
3521                 if (ret < 0 || ret >= end - pos)
3522                         return 0;
3523                 pos += ret;
3524         }
3525
3526         if (mask & WPA_BSS_MASK_FLAGS) {
3527                 ret = os_snprintf(pos, end - pos, "flags=");
3528                 if (ret < 0 || ret >= end - pos)
3529                         return 0;
3530                 pos += ret;
3531
3532                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3533                 if (ie)
3534                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3535                                                     2 + ie[1]);
3536                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3537                 if (ie2)
3538                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3539                                                     2 + ie2[1]);
3540                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3541                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3542                         ret = os_snprintf(pos, end - pos, "[WEP]");
3543                         if (ret < 0 || ret >= end - pos)
3544                                 return 0;
3545                         pos += ret;
3546                 }
3547                 if (bss->caps & IEEE80211_CAP_IBSS) {
3548                         ret = os_snprintf(pos, end - pos, "[IBSS]");
3549                         if (ret < 0 || ret >= end - pos)
3550                                 return 0;
3551                         pos += ret;
3552                 }
3553                 if (bss->caps & IEEE80211_CAP_ESS) {
3554                         ret = os_snprintf(pos, end - pos, "[ESS]");
3555                         if (ret < 0 || ret >= end - pos)
3556                                 return 0;
3557                         pos += ret;
3558                 }
3559                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
3560                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
3561                         ret = os_snprintf(pos, end - pos, "[P2P]");
3562                         if (ret < 0 || ret >= end - pos)
3563                                 return 0;
3564                         pos += ret;
3565                 }
3566 #ifdef CONFIG_HS20
3567                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3568                         ret = os_snprintf(pos, end - pos, "[HS20]");
3569                         if (ret < 0 || ret >= end - pos)
3570                                 return 0;
3571                         pos += ret;
3572                 }
3573 #endif /* CONFIG_HS20 */
3574
3575                 ret = os_snprintf(pos, end - pos, "\n");
3576                 if (ret < 0 || ret >= end - pos)
3577                         return 0;
3578                 pos += ret;
3579         }
3580
3581         if (mask & WPA_BSS_MASK_SSID) {
3582                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3583                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3584                 if (ret < 0 || ret >= end - pos)
3585                         return 0;
3586                 pos += ret;
3587         }
3588
3589 #ifdef CONFIG_WPS
3590         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3591                 ie = (const u8 *) (bss + 1);
3592                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3593                 if (ret < 0 || ret >= end - pos)
3594                         return 0;
3595                 pos += ret;
3596         }
3597 #endif /* CONFIG_WPS */
3598
3599 #ifdef CONFIG_P2P
3600         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3601                 ie = (const u8 *) (bss + 1);
3602                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3603                 if (ret < 0 || ret >= end - pos)
3604                         return 0;
3605                 pos += ret;
3606         }
3607 #endif /* CONFIG_P2P */
3608
3609 #ifdef CONFIG_WIFI_DISPLAY
3610         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3611                 struct wpabuf *wfd;
3612                 ie = (const u8 *) (bss + 1);
3613                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3614                                                   WFD_IE_VENDOR_TYPE);
3615                 if (wfd) {
3616                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3617                         if (ret < 0 || ret >= end - pos) {
3618                                 wpabuf_free(wfd);
3619                                 return 0;
3620                         }
3621                         pos += ret;
3622
3623                         pos += wpa_snprintf_hex(pos, end - pos,
3624                                                 wpabuf_head(wfd),
3625                                                 wpabuf_len(wfd));
3626                         wpabuf_free(wfd);
3627
3628                         ret = os_snprintf(pos, end - pos, "\n");
3629                         if (ret < 0 || ret >= end - pos)
3630                                 return 0;
3631                         pos += ret;
3632                 }
3633         }
3634 #endif /* CONFIG_WIFI_DISPLAY */
3635
3636 #ifdef CONFIG_INTERWORKING
3637         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3638                 struct wpa_bss_anqp *anqp = bss->anqp;
3639                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3640                                    anqp->venue_name);
3641                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3642                                    anqp->network_auth_type);
3643                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3644                                    anqp->roaming_consortium);
3645                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3646                                    anqp->ip_addr_type_availability);
3647                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3648                                    anqp->nai_realm);
3649                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3650                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3651                                    anqp->domain_name);
3652 #ifdef CONFIG_HS20
3653                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3654                                    anqp->hs20_operator_friendly_name);
3655                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3656                                    anqp->hs20_wan_metrics);
3657                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3658                                    anqp->hs20_connection_capability);
3659                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
3660                                    anqp->hs20_operating_class);
3661                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
3662                                    anqp->hs20_osu_providers_list);
3663 #endif /* CONFIG_HS20 */
3664         }
3665 #endif /* CONFIG_INTERWORKING */
3666
3667         if (mask & WPA_BSS_MASK_DELIM) {
3668                 ret = os_snprintf(pos, end - pos, "====\n");
3669                 if (ret < 0 || ret >= end - pos)
3670                         return 0;
3671                 pos += ret;
3672         }
3673
3674         return pos - buf;
3675 }
3676
3677
3678 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3679                                          const char *cmd, char *buf,
3680                                          size_t buflen)
3681 {
3682         u8 bssid[ETH_ALEN];
3683         size_t i;
3684         struct wpa_bss *bss;
3685         struct wpa_bss *bsslast = NULL;
3686         struct dl_list *next;
3687         int ret = 0;
3688         int len;
3689         char *ctmp;
3690         unsigned long mask = WPA_BSS_MASK_ALL;
3691
3692         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3693                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3694                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3695                                             list_id);
3696                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3697                                                list_id);
3698                 } else { /* N1-N2 */
3699                         unsigned int id1, id2;
3700
3701                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3702                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3703                                            "format");
3704                                 return 0;
3705                         }
3706
3707                         if (*(cmd + 6) == '-')
3708                                 id1 = 0;
3709                         else
3710                                 id1 = atoi(cmd + 6);
3711                         ctmp++;
3712                         if (*ctmp >= '0' && *ctmp <= '9')
3713                                 id2 = atoi(ctmp);
3714                         else
3715                                 id2 = (unsigned int) -1;
3716                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3717                         if (id2 == (unsigned int) -1)
3718                                 bsslast = dl_list_last(&wpa_s->bss_id,
3719                                                        struct wpa_bss,
3720                                                        list_id);
3721                         else {
3722                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3723                                 if (bsslast == NULL && bss && id2 > id1) {
3724                                         struct wpa_bss *tmp = bss;
3725                                         for (;;) {
3726                                                 next = tmp->list_id.next;
3727                                                 if (next == &wpa_s->bss_id)
3728                                                         break;
3729                                                 tmp = dl_list_entry(
3730                                                         next, struct wpa_bss,
3731                                                         list_id);
3732                                                 if (tmp->id > id2)
3733                                                         break;
3734                                                 bsslast = tmp;
3735                                         }
3736                                 }
3737                         }
3738                 }
3739         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3740                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3741         else if (os_strncmp(cmd, "LAST", 4) == 0)
3742                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3743         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3744                 i = atoi(cmd + 3);
3745                 bss = wpa_bss_get_id(wpa_s, i);
3746         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3747                 i = atoi(cmd + 5);
3748                 bss = wpa_bss_get_id(wpa_s, i);
3749                 if (bss) {
3750                         next = bss->list_id.next;
3751                         if (next == &wpa_s->bss_id)
3752                                 bss = NULL;
3753                         else
3754                                 bss = dl_list_entry(next, struct wpa_bss,
3755                                                     list_id);
3756                 }
3757 #ifdef CONFIG_P2P
3758         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3759                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3760                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3761                 else
3762                         bss = NULL;
3763 #endif /* CONFIG_P2P */
3764         } else if (hwaddr_aton(cmd, bssid) == 0)
3765                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3766         else {
3767                 struct wpa_bss *tmp;
3768                 i = atoi(cmd);
3769                 bss = NULL;
3770                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3771                 {
3772                         if (i-- == 0) {
3773                                 bss = tmp;
3774                                 break;
3775                         }
3776                 }
3777         }
3778
3779         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3780                 mask = strtoul(ctmp + 5, NULL, 0x10);
3781                 if (mask == 0)
3782                         mask = WPA_BSS_MASK_ALL;
3783         }
3784
3785         if (bss == NULL)
3786                 return 0;
3787
3788         if (bsslast == NULL)
3789                 bsslast = bss;
3790         do {
3791                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3792                 ret += len;
3793                 buf += len;
3794                 buflen -= len;
3795                 if (bss == bsslast) {
3796                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
3797                             (bss == dl_list_last(&wpa_s->bss_id,
3798                                                  struct wpa_bss, list_id)))
3799                                 os_snprintf(buf - 5, 5, "####\n");
3800                         break;
3801                 }
3802                 next = bss->list_id.next;
3803                 if (next == &wpa_s->bss_id)
3804                         break;
3805                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3806         } while (bss && len);
3807
3808         return ret;
3809 }
3810
3811
3812 static int wpa_supplicant_ctrl_iface_ap_scan(
3813         struct wpa_supplicant *wpa_s, char *cmd)
3814 {
3815         int ap_scan = atoi(cmd);
3816         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3817 }
3818
3819
3820 static int wpa_supplicant_ctrl_iface_scan_interval(
3821         struct wpa_supplicant *wpa_s, char *cmd)
3822 {
3823         int scan_int = atoi(cmd);
3824         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3825 }
3826
3827
3828 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3829         struct wpa_supplicant *wpa_s, char *cmd)
3830 {
3831         int expire_age = atoi(cmd);
3832         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3833 }
3834
3835
3836 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3837         struct wpa_supplicant *wpa_s, char *cmd)
3838 {
3839         int expire_count = atoi(cmd);
3840         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3841 }
3842
3843
3844 static int wpa_supplicant_ctrl_iface_bss_flush(
3845         struct wpa_supplicant *wpa_s, char *cmd)
3846 {
3847         int flush_age = atoi(cmd);
3848
3849         if (flush_age == 0)
3850                 wpa_bss_flush(wpa_s);
3851         else
3852                 wpa_bss_flush_by_age(wpa_s, flush_age);
3853         return 0;
3854 }
3855
3856
3857 #ifdef CONFIG_TESTING_OPTIONS
3858 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3859 {
3860         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3861         /* MLME-DELETEKEYS.request */
3862         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3863         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3864         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3865         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3866 #ifdef CONFIG_IEEE80211W
3867         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3868         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3869 #endif /* CONFIG_IEEE80211W */
3870
3871         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3872                         0);
3873         /* MLME-SETPROTECTION.request(None) */
3874         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3875                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3876                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3877         wpa_sm_drop_sa(wpa_s->wpa);
3878 }
3879 #endif /* CONFIG_TESTING_OPTIONS */
3880
3881
3882 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3883                                           char *addr)
3884 {
3885 #ifdef CONFIG_NO_SCAN_PROCESSING
3886         return -1;
3887 #else /* CONFIG_NO_SCAN_PROCESSING */
3888         u8 bssid[ETH_ALEN];
3889         struct wpa_bss *bss;
3890         struct wpa_ssid *ssid = wpa_s->current_ssid;
3891
3892         if (hwaddr_aton(addr, bssid)) {
3893                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3894                            "address '%s'", addr);
3895                 return -1;
3896         }
3897
3898         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3899
3900         if (!ssid) {
3901                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3902                            "configuration known for the target AP");
3903                 return -1;
3904         }
3905
3906         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
3907         if (!bss) {
3908                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3909                            "from BSS table");
3910                 return -1;
3911         }
3912
3913         /*
3914          * TODO: Find best network configuration block from configuration to
3915          * allow roaming to other networks
3916          */
3917
3918         wpa_s->reassociate = 1;
3919         wpa_supplicant_connect(wpa_s, bss, ssid);
3920
3921         return 0;
3922 #endif /* CONFIG_NO_SCAN_PROCESSING */
3923 }
3924
3925
3926 #ifdef CONFIG_P2P
3927 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3928 {
3929         unsigned int timeout = atoi(cmd);
3930         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3931         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3932         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
3933         char *pos;
3934         unsigned int search_delay;
3935
3936         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
3937                 wpa_dbg(wpa_s, MSG_INFO,
3938                         "Reject P2P_FIND since interface is disabled");
3939                 return -1;
3940         }
3941         if (os_strstr(cmd, "type=social"))
3942                 type = P2P_FIND_ONLY_SOCIAL;
3943         else if (os_strstr(cmd, "type=progressive"))
3944                 type = P2P_FIND_PROGRESSIVE;
3945
3946         pos = os_strstr(cmd, "dev_id=");
3947         if (pos) {
3948                 pos += 7;
3949                 if (hwaddr_aton(pos, dev_id))
3950                         return -1;
3951                 _dev_id = dev_id;
3952         }
3953
3954         pos = os_strstr(cmd, "dev_type=");
3955         if (pos) {
3956                 pos += 9;
3957                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
3958                         return -1;
3959                 _dev_type = dev_type;
3960         }
3961
3962         pos = os_strstr(cmd, "delay=");
3963         if (pos) {
3964                 pos += 6;
3965                 search_delay = atoi(pos);
3966         } else
3967                 search_delay = wpas_p2p_search_delay(wpa_s);
3968
3969         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
3970                              _dev_id, search_delay);
3971 }
3972
3973
3974 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3975                             char *buf, size_t buflen)
3976 {
3977         u8 addr[ETH_ALEN];
3978         char *pos, *pos2;
3979         char *pin = NULL;
3980         enum p2p_wps_method wps_method;
3981         int new_pin;
3982         int ret;
3983         int persistent_group, persistent_id = -1;
3984         int join;
3985         int auth;
3986         int automatic;
3987         int go_intent = -1;
3988         int freq = 0;
3989         int pd;
3990         int ht40, vht;
3991
3992         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3993          * [persistent|persistent=<network id>]
3994          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3995          * [ht40] [vht] */
3996
3997         if (hwaddr_aton(cmd, addr))
3998                 return -1;
3999
4000         pos = cmd + 17;
4001         if (*pos != ' ')
4002                 return -1;
4003         pos++;
4004
4005         persistent_group = os_strstr(pos, " persistent") != NULL;
4006         pos2 = os_strstr(pos, " persistent=");
4007         if (pos2) {
4008                 struct wpa_ssid *ssid;
4009                 persistent_id = atoi(pos2 + 12);
4010                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4011                 if (ssid == NULL || ssid->disabled != 2 ||
4012                     ssid->mode != WPAS_MODE_P2P_GO) {
4013                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4014                                    "SSID id=%d for persistent P2P group (GO)",
4015                                    persistent_id);
4016                         return -1;
4017                 }
4018         }
4019         join = os_strstr(pos, " join") != NULL;
4020         auth = os_strstr(pos, " auth") != NULL;
4021         automatic = os_strstr(pos, " auto") != NULL;
4022         pd = os_strstr(pos, " provdisc") != NULL;
4023         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4024         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4025                 vht;
4026
4027         pos2 = os_strstr(pos, " go_intent=");
4028         if (pos2) {
4029                 pos2 += 11;
4030                 go_intent = atoi(pos2);
4031                 if (go_intent < 0 || go_intent > 15)
4032                         return -1;
4033         }
4034
4035         pos2 = os_strstr(pos, " freq=");
4036         if (pos2) {
4037                 pos2 += 6;
4038                 freq = atoi(pos2);
4039                 if (freq <= 0)
4040                         return -1;
4041         }
4042
4043         if (os_strncmp(pos, "pin", 3) == 0) {
4044                 /* Request random PIN (to be displayed) and enable the PIN */
4045                 wps_method = WPS_PIN_DISPLAY;
4046         } else if (os_strncmp(pos, "pbc", 3) == 0) {
4047                 wps_method = WPS_PBC;
4048         } else {
4049                 pin = pos;
4050                 pos = os_strchr(pin, ' ');
4051                 wps_method = WPS_PIN_KEYPAD;
4052                 if (pos) {
4053                         *pos++ = '\0';
4054                         if (os_strncmp(pos, "display", 7) == 0)
4055                                 wps_method = WPS_PIN_DISPLAY;
4056                 }
4057                 if (!wps_pin_str_valid(pin)) {
4058                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
4059                         return 17;
4060                 }
4061         }
4062
4063         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
4064                                    persistent_group, automatic, join,
4065                                    auth, go_intent, freq, persistent_id, pd,
4066                                    ht40, vht);
4067         if (new_pin == -2) {
4068                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
4069                 return 25;
4070         }
4071         if (new_pin == -3) {
4072                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
4073                 return 25;
4074         }
4075         if (new_pin < 0)
4076                 return -1;
4077         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
4078                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
4079                 if (ret < 0 || (size_t) ret >= buflen)
4080                         return -1;
4081                 return ret;
4082         }
4083
4084         os_memcpy(buf, "OK\n", 3);
4085         return 3;
4086 }
4087
4088
4089 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
4090 {
4091         unsigned int timeout = atoi(cmd);
4092         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4093                 wpa_dbg(wpa_s, MSG_INFO,
4094                         "Reject P2P_LISTEN since interface is disabled");
4095                 return -1;
4096         }
4097         return wpas_p2p_listen(wpa_s, timeout);
4098 }
4099
4100
4101 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
4102 {
4103         u8 addr[ETH_ALEN];
4104         char *pos;
4105         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
4106
4107         /* <addr> <config method> [join|auto] */
4108
4109         if (hwaddr_aton(cmd, addr))
4110                 return -1;
4111
4112         pos = cmd + 17;
4113         if (*pos != ' ')
4114                 return -1;
4115         pos++;
4116
4117         if (os_strstr(pos, " join") != NULL)
4118                 use = WPAS_P2P_PD_FOR_JOIN;
4119         else if (os_strstr(pos, " auto") != NULL)
4120                 use = WPAS_P2P_PD_AUTO;
4121
4122         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
4123 }
4124
4125
4126 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
4127                               size_t buflen)
4128 {
4129         struct wpa_ssid *ssid = wpa_s->current_ssid;
4130
4131         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
4132             ssid->passphrase == NULL)
4133                 return -1;
4134
4135         os_strlcpy(buf, ssid->passphrase, buflen);
4136         return os_strlen(buf);
4137 }
4138
4139
4140 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
4141                                   char *buf, size_t buflen)
4142 {
4143         u64 ref;
4144         int res;
4145         u8 dst_buf[ETH_ALEN], *dst;
4146         struct wpabuf *tlvs;
4147         char *pos;
4148         size_t len;
4149
4150         if (hwaddr_aton(cmd, dst_buf))
4151                 return -1;
4152         dst = dst_buf;
4153         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
4154             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
4155                 dst = NULL;
4156         pos = cmd + 17;
4157         if (*pos != ' ')
4158                 return -1;
4159         pos++;
4160
4161         if (os_strncmp(pos, "upnp ", 5) == 0) {
4162                 u8 version;
4163                 pos += 5;
4164                 if (hexstr2bin(pos, &version, 1) < 0)
4165                         return -1;
4166                 pos += 2;
4167                 if (*pos != ' ')
4168                         return -1;
4169                 pos++;
4170                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
4171 #ifdef CONFIG_WIFI_DISPLAY
4172         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
4173                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
4174 #endif /* CONFIG_WIFI_DISPLAY */
4175         } else {
4176                 len = os_strlen(pos);
4177                 if (len & 1)
4178                         return -1;
4179                 len /= 2;
4180                 tlvs = wpabuf_alloc(len);
4181                 if (tlvs == NULL)
4182                         return -1;
4183                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
4184                         wpabuf_free(tlvs);
4185                         return -1;
4186                 }
4187
4188                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
4189                 wpabuf_free(tlvs);
4190         }
4191         if (ref == 0)
4192                 return -1;
4193         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
4194         if (res < 0 || (unsigned) res >= buflen)
4195                 return -1;
4196         return res;
4197 }
4198
4199
4200 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
4201                                          char *cmd)
4202 {
4203         long long unsigned val;
4204         u64 req;
4205         if (sscanf(cmd, "%llx", &val) != 1)
4206                 return -1;
4207         req = val;
4208         return wpas_p2p_sd_cancel_request(wpa_s, req);
4209 }
4210
4211
4212 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
4213 {
4214         int freq;
4215         u8 dst[ETH_ALEN];
4216         u8 dialog_token;
4217         struct wpabuf *resp_tlvs;
4218         char *pos, *pos2;
4219         size_t len;
4220
4221         pos = os_strchr(cmd, ' ');
4222         if (pos == NULL)
4223                 return -1;
4224         *pos++ = '\0';
4225         freq = atoi(cmd);
4226         if (freq == 0)
4227                 return -1;
4228
4229         if (hwaddr_aton(pos, dst))
4230                 return -1;
4231         pos += 17;
4232         if (*pos != ' ')
4233                 return -1;
4234         pos++;
4235
4236         pos2 = os_strchr(pos, ' ');
4237         if (pos2 == NULL)
4238                 return -1;
4239         *pos2++ = '\0';
4240         dialog_token = atoi(pos);
4241
4242         len = os_strlen(pos2);
4243         if (len & 1)
4244                 return -1;
4245         len /= 2;
4246         resp_tlvs = wpabuf_alloc(len);
4247         if (resp_tlvs == NULL)
4248                 return -1;
4249         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
4250                 wpabuf_free(resp_tlvs);
4251                 return -1;
4252         }
4253
4254         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
4255         wpabuf_free(resp_tlvs);
4256         return 0;
4257 }
4258
4259
4260 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
4261                                        char *cmd)
4262 {
4263         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
4264                 return -1;
4265         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
4266         return 0;
4267 }
4268
4269
4270 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
4271                                         char *cmd)
4272 {
4273         char *pos;
4274         size_t len;
4275         struct wpabuf *query, *resp;
4276
4277         pos = os_strchr(cmd, ' ');
4278         if (pos == NULL)
4279                 return -1;
4280         *pos++ = '\0';
4281
4282         len = os_strlen(cmd);
4283         if (len & 1)
4284                 return -1;
4285         len /= 2;
4286         query = wpabuf_alloc(len);
4287         if (query == NULL)
4288                 return -1;
4289         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4290                 wpabuf_free(query);
4291                 return -1;
4292         }
4293
4294         len = os_strlen(pos);
4295         if (len & 1) {
4296                 wpabuf_free(query);
4297                 return -1;
4298         }
4299         len /= 2;
4300         resp = wpabuf_alloc(len);
4301         if (resp == NULL) {
4302                 wpabuf_free(query);
4303                 return -1;
4304         }
4305         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
4306                 wpabuf_free(query);
4307                 wpabuf_free(resp);
4308                 return -1;
4309         }
4310
4311         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
4312                 wpabuf_free(query);
4313                 wpabuf_free(resp);
4314                 return -1;
4315         }
4316         return 0;
4317 }
4318
4319
4320 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4321 {
4322         char *pos;
4323         u8 version;
4324
4325         pos = os_strchr(cmd, ' ');
4326         if (pos == NULL)
4327                 return -1;
4328         *pos++ = '\0';
4329
4330         if (hexstr2bin(cmd, &version, 1) < 0)
4331                 return -1;
4332
4333         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
4334 }
4335
4336
4337 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
4338 {
4339         char *pos;
4340
4341         pos = os_strchr(cmd, ' ');
4342         if (pos == NULL)
4343                 return -1;
4344         *pos++ = '\0';
4345
4346         if (os_strcmp(cmd, "bonjour") == 0)
4347                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
4348         if (os_strcmp(cmd, "upnp") == 0)
4349                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
4350         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4351         return -1;
4352 }
4353
4354
4355 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
4356                                         char *cmd)
4357 {
4358         size_t len;
4359         struct wpabuf *query;
4360         int ret;
4361
4362         len = os_strlen(cmd);
4363         if (len & 1)
4364                 return -1;
4365         len /= 2;
4366         query = wpabuf_alloc(len);
4367         if (query == NULL)
4368                 return -1;
4369         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4370                 wpabuf_free(query);
4371                 return -1;
4372         }
4373
4374         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
4375         wpabuf_free(query);
4376         return ret;
4377 }
4378
4379
4380 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4381 {
4382         char *pos;
4383         u8 version;
4384
4385         pos = os_strchr(cmd, ' ');
4386         if (pos == NULL)
4387                 return -1;
4388         *pos++ = '\0';
4389
4390         if (hexstr2bin(cmd, &version, 1) < 0)
4391                 return -1;
4392
4393         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4394 }
4395
4396
4397 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4398 {
4399         char *pos;
4400
4401         pos = os_strchr(cmd, ' ');
4402         if (pos == NULL)
4403                 return -1;
4404         *pos++ = '\0';
4405
4406         if (os_strcmp(cmd, "bonjour") == 0)
4407                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4408         if (os_strcmp(cmd, "upnp") == 0)
4409                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
4410         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4411         return -1;
4412 }
4413
4414
4415 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4416 {
4417         u8 addr[ETH_ALEN];
4418
4419         /* <addr> */
4420
4421         if (hwaddr_aton(cmd, addr))
4422                 return -1;
4423
4424         return wpas_p2p_reject(wpa_s, addr);
4425 }
4426
4427
4428 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
4429 {
4430         char *pos;
4431         int id;
4432         struct wpa_ssid *ssid;
4433         u8 *_peer = NULL, peer[ETH_ALEN];
4434         int freq = 0, pref_freq = 0;
4435         int ht40, vht;
4436
4437         id = atoi(cmd);
4438         pos = os_strstr(cmd, " peer=");
4439         if (pos) {
4440                 pos += 6;
4441                 if (hwaddr_aton(pos, peer))
4442                         return -1;
4443                 _peer = peer;
4444         }
4445         ssid = wpa_config_get_network(wpa_s->conf, id);
4446         if (ssid == NULL || ssid->disabled != 2) {
4447                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4448                            "for persistent P2P group",
4449                            id);
4450                 return -1;
4451         }
4452
4453         pos = os_strstr(cmd, " freq=");
4454         if (pos) {
4455                 pos += 6;
4456                 freq = atoi(pos);
4457                 if (freq <= 0)
4458                         return -1;
4459         }
4460
4461         pos = os_strstr(cmd, " pref=");
4462         if (pos) {
4463                 pos += 6;
4464                 pref_freq = atoi(pos);
4465                 if (pref_freq <= 0)
4466                         return -1;
4467         }
4468
4469         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4470         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4471                 vht;
4472
4473         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
4474                                pref_freq);
4475 }
4476
4477
4478 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4479 {
4480         char *pos;
4481         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4482
4483         pos = os_strstr(cmd, " peer=");
4484         if (!pos)
4485                 return -1;
4486
4487         *pos = '\0';
4488         pos += 6;
4489         if (hwaddr_aton(pos, peer)) {
4490                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4491                 return -1;
4492         }
4493
4494         pos = os_strstr(pos, " go_dev_addr=");
4495         if (pos) {
4496                 pos += 13;
4497                 if (hwaddr_aton(pos, go_dev_addr)) {
4498                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4499                                    pos);
4500                         return -1;
4501                 }
4502                 go_dev = go_dev_addr;
4503         }
4504
4505         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4506 }
4507
4508
4509 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4510 {
4511         if (os_strncmp(cmd, "persistent=", 11) == 0)
4512                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4513         if (os_strncmp(cmd, "group=", 6) == 0)
4514                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4515
4516         return -1;
4517 }
4518
4519
4520 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4521                                          char *cmd, int freq, int ht40,
4522                                          int vht)
4523 {
4524         int id;
4525         struct wpa_ssid *ssid;
4526
4527         id = atoi(cmd);
4528         ssid = wpa_config_get_network(wpa_s->conf, id);
4529         if (ssid == NULL || ssid->disabled != 2) {
4530                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4531                            "for persistent P2P group",
4532                            id);
4533                 return -1;
4534         }
4535
4536         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
4537                                              NULL, 0);
4538 }
4539
4540
4541 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4542 {
4543         int freq = 0, ht40, vht;
4544         char *pos;
4545
4546         pos = os_strstr(cmd, "freq=");
4547         if (pos)
4548                 freq = atoi(pos + 5);
4549
4550         vht = (os_strstr(cmd, "vht") != NULL) || wpa_s->conf->p2p_go_vht;
4551         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4552                 vht;
4553
4554         if (os_strncmp(cmd, "persistent=", 11) == 0)
4555                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4556                                                      ht40, vht);
4557         if (os_strcmp(cmd, "persistent") == 0 ||
4558             os_strncmp(cmd, "persistent ", 11) == 0)
4559                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40, vht);
4560         if (os_strncmp(cmd, "freq=", 5) == 0)
4561                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4562         if (ht40)
4563                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4564
4565         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4566                    cmd);
4567         return -1;
4568 }
4569
4570
4571 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4572                          char *buf, size_t buflen)
4573 {
4574         u8 addr[ETH_ALEN], *addr_ptr;
4575         int next, res;
4576         const struct p2p_peer_info *info;
4577         char *pos, *end;
4578         char devtype[WPS_DEV_TYPE_BUFSIZE];
4579         struct wpa_ssid *ssid;
4580         size_t i;
4581
4582         if (!wpa_s->global->p2p)
4583                 return -1;
4584
4585         if (os_strcmp(cmd, "FIRST") == 0) {
4586                 addr_ptr = NULL;
4587                 next = 0;
4588         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4589                 if (hwaddr_aton(cmd + 5, addr) < 0)
4590                         return -1;
4591                 addr_ptr = addr;
4592                 next = 1;
4593         } else {
4594                 if (hwaddr_aton(cmd, addr) < 0)
4595                         return -1;
4596                 addr_ptr = addr;
4597                 next = 0;
4598         }
4599
4600         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4601         if (info == NULL)
4602                 return -1;
4603
4604         pos = buf;
4605         end = buf + buflen;
4606
4607         res = os_snprintf(pos, end - pos, MACSTR "\n"
4608                           "pri_dev_type=%s\n"
4609                           "device_name=%s\n"
4610                           "manufacturer=%s\n"
4611                           "model_name=%s\n"
4612                           "model_number=%s\n"
4613                           "serial_number=%s\n"
4614                           "config_methods=0x%x\n"
4615                           "dev_capab=0x%x\n"
4616                           "group_capab=0x%x\n"
4617                           "level=%d\n",
4618                           MAC2STR(info->p2p_device_addr),
4619                           wps_dev_type_bin2str(info->pri_dev_type,
4620                                                devtype, sizeof(devtype)),
4621                           info->device_name,
4622                           info->manufacturer,
4623                           info->model_name,
4624                           info->model_number,
4625                           info->serial_number,
4626                           info->config_methods,
4627                           info->dev_capab,
4628                           info->group_capab,
4629                           info->level);
4630         if (res < 0 || res >= end - pos)
4631                 return pos - buf;
4632         pos += res;
4633
4634         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4635         {
4636                 const u8 *t;
4637                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4638                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4639                                   wps_dev_type_bin2str(t, devtype,
4640                                                        sizeof(devtype)));
4641                 if (res < 0 || res >= end - pos)
4642                         return pos - buf;
4643                 pos += res;
4644         }
4645
4646         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4647         if (ssid) {
4648                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4649                 if (res < 0 || res >= end - pos)
4650                         return pos - buf;
4651                 pos += res;
4652         }
4653
4654         res = p2p_get_peer_info_txt(info, pos, end - pos);
4655         if (res < 0)
4656                 return pos - buf;
4657         pos += res;
4658
4659         return pos - buf;
4660 }
4661
4662
4663 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4664                                   const char *param)
4665 {
4666         unsigned int i;
4667
4668         if (wpa_s->global->p2p == NULL)
4669                 return -1;
4670
4671         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
4672                 return -1;
4673
4674         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
4675                 struct wpa_freq_range *freq;
4676                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
4677                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4678                            freq->min, freq->max);
4679         }
4680
4681         wpas_p2p_update_channel_list(wpa_s);
4682         return 0;
4683 }
4684
4685
4686 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4687 {
4688         char *param;
4689
4690         if (wpa_s->global->p2p == NULL)
4691                 return -1;
4692
4693         param = os_strchr(cmd, ' ');
4694         if (param == NULL)
4695                 return -1;
4696         *param++ = '\0';
4697
4698         if (os_strcmp(cmd, "discoverability") == 0) {
4699                 p2p_set_client_discoverability(wpa_s->global->p2p,
4700                                                atoi(param));
4701                 return 0;
4702         }
4703
4704         if (os_strcmp(cmd, "managed") == 0) {
4705                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4706                 return 0;
4707         }
4708
4709         if (os_strcmp(cmd, "listen_channel") == 0) {
4710                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4711                                               atoi(param));
4712         }
4713
4714         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4715                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4716                                             os_strlen(param));
4717         }
4718
4719         if (os_strcmp(cmd, "noa") == 0) {
4720                 char *pos;
4721                 int count, start, duration;
4722                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4723                 count = atoi(param);
4724                 pos = os_strchr(param, ',');
4725                 if (pos == NULL)
4726                         return -1;
4727                 pos++;
4728                 start = atoi(pos);
4729                 pos = os_strchr(pos, ',');
4730                 if (pos == NULL)
4731                         return -1;
4732                 pos++;
4733                 duration = atoi(pos);
4734                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4735                         return -1;
4736                 if (count == 0 && duration > 0)
4737                         return -1;
4738                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4739                            "start=%d duration=%d", count, start, duration);
4740                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4741         }
4742
4743         if (os_strcmp(cmd, "ps") == 0)
4744                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4745
4746         if (os_strcmp(cmd, "oppps") == 0)
4747                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4748
4749         if (os_strcmp(cmd, "ctwindow") == 0)
4750                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4751
4752         if (os_strcmp(cmd, "disabled") == 0) {
4753                 wpa_s->global->p2p_disabled = atoi(param);
4754                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4755                            wpa_s->global->p2p_disabled ?
4756                            "disabled" : "enabled");
4757                 if (wpa_s->global->p2p_disabled) {
4758                         wpas_p2p_stop_find(wpa_s);
4759                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4760                         p2p_flush(wpa_s->global->p2p);
4761                 }
4762                 return 0;
4763         }
4764
4765         if (os_strcmp(cmd, "conc_pref") == 0) {
4766                 if (os_strcmp(param, "sta") == 0)
4767                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4768                 else if (os_strcmp(param, "p2p") == 0)
4769                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4770                 else {
4771                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4772                         return -1;
4773                 }
4774                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4775                            "%s", param);
4776                 return 0;
4777         }
4778
4779         if (os_strcmp(cmd, "force_long_sd") == 0) {
4780                 wpa_s->force_long_sd = atoi(param);
4781                 return 0;
4782         }
4783
4784         if (os_strcmp(cmd, "peer_filter") == 0) {
4785                 u8 addr[ETH_ALEN];
4786                 if (hwaddr_aton(param, addr))
4787                         return -1;
4788                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4789                 return 0;
4790         }
4791
4792         if (os_strcmp(cmd, "cross_connect") == 0)
4793                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4794
4795         if (os_strcmp(cmd, "go_apsd") == 0) {
4796                 if (os_strcmp(param, "disable") == 0)
4797                         wpa_s->set_ap_uapsd = 0;
4798                 else {
4799                         wpa_s->set_ap_uapsd = 1;
4800                         wpa_s->ap_uapsd = atoi(param);
4801                 }
4802                 return 0;
4803         }
4804
4805         if (os_strcmp(cmd, "client_apsd") == 0) {
4806                 if (os_strcmp(param, "disable") == 0)
4807                         wpa_s->set_sta_uapsd = 0;
4808                 else {
4809                         int be, bk, vi, vo;
4810                         char *pos;
4811                         /* format: BE,BK,VI,VO;max SP Length */
4812                         be = atoi(param);
4813                         pos = os_strchr(param, ',');
4814                         if (pos == NULL)
4815                                 return -1;
4816                         pos++;
4817                         bk = atoi(pos);
4818                         pos = os_strchr(pos, ',');
4819                         if (pos == NULL)
4820                                 return -1;
4821                         pos++;
4822                         vi = atoi(pos);
4823                         pos = os_strchr(pos, ',');
4824                         if (pos == NULL)
4825                                 return -1;
4826                         pos++;
4827                         vo = atoi(pos);
4828                         /* ignore max SP Length for now */
4829
4830                         wpa_s->set_sta_uapsd = 1;
4831                         wpa_s->sta_uapsd = 0;
4832                         if (be)
4833                                 wpa_s->sta_uapsd |= BIT(0);
4834                         if (bk)
4835                                 wpa_s->sta_uapsd |= BIT(1);
4836                         if (vi)
4837                                 wpa_s->sta_uapsd |= BIT(2);
4838                         if (vo)
4839                                 wpa_s->sta_uapsd |= BIT(3);
4840                 }
4841                 return 0;
4842         }
4843
4844         if (os_strcmp(cmd, "disallow_freq") == 0)
4845                 return p2p_ctrl_disallow_freq(wpa_s, param);
4846
4847         if (os_strcmp(cmd, "disc_int") == 0) {
4848                 int min_disc_int, max_disc_int, max_disc_tu;
4849                 char *pos;
4850
4851                 pos = param;
4852
4853                 min_disc_int = atoi(pos);
4854                 pos = os_strchr(pos, ' ');
4855                 if (pos == NULL)
4856                         return -1;
4857                 *pos++ = '\0';
4858
4859                 max_disc_int = atoi(pos);
4860                 pos = os_strchr(pos, ' ');
4861                 if (pos == NULL)
4862                         return -1;
4863                 *pos++ = '\0';
4864
4865                 max_disc_tu = atoi(pos);
4866
4867                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4868                                         max_disc_int, max_disc_tu);
4869         }
4870
4871         if (os_strcmp(cmd, "per_sta_psk") == 0) {
4872                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
4873                 return 0;
4874         }
4875
4876 #ifdef CONFIG_WPS_NFC
4877         if (os_strcmp(cmd, "nfc_tag") == 0)
4878                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
4879 #endif /* CONFIG_WPS_NFC */
4880
4881         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
4882                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
4883                 return 0;
4884         }
4885
4886         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4887                    cmd);
4888
4889         return -1;
4890 }
4891
4892
4893 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
4894 {
4895         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4896         wpa_s->force_long_sd = 0;
4897         if (wpa_s->global->p2p)
4898                 p2p_flush(wpa_s->global->p2p);
4899 }
4900
4901
4902 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4903 {
4904         char *pos, *pos2;
4905         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4906
4907         if (cmd[0]) {
4908                 pos = os_strchr(cmd, ' ');
4909                 if (pos == NULL)
4910                         return -1;
4911                 *pos++ = '\0';
4912                 dur1 = atoi(cmd);
4913
4914                 pos2 = os_strchr(pos, ' ');
4915                 if (pos2)
4916                         *pos2++ = '\0';
4917                 int1 = atoi(pos);
4918         } else
4919                 pos2 = NULL;
4920
4921         if (pos2) {
4922                 pos = os_strchr(pos2, ' ');
4923                 if (pos == NULL)
4924                         return -1;
4925                 *pos++ = '\0';
4926                 dur2 = atoi(pos2);
4927                 int2 = atoi(pos);
4928         }
4929
4930         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4931 }
4932
4933
4934 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4935 {
4936         char *pos;
4937         unsigned int period = 0, interval = 0;
4938
4939         if (cmd[0]) {
4940                 pos = os_strchr(cmd, ' ');
4941                 if (pos == NULL)
4942                         return -1;
4943                 *pos++ = '\0';
4944                 period = atoi(cmd);
4945                 interval = atoi(pos);
4946         }
4947
4948         return wpas_p2p_ext_listen(wpa_s, period, interval);
4949 }
4950
4951
4952 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
4953 {
4954         const char *pos;
4955         u8 peer[ETH_ALEN];
4956         int iface_addr = 0;
4957
4958         pos = cmd;
4959         if (os_strncmp(pos, "iface=", 6) == 0) {
4960                 iface_addr = 1;
4961                 pos += 6;
4962         }
4963         if (hwaddr_aton(pos, peer))
4964                 return -1;
4965
4966         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
4967         return 0;
4968 }
4969
4970 #endif /* CONFIG_P2P */
4971
4972
4973 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
4974 {
4975         struct wpa_freq_range_list ranges;
4976         int *freqs = NULL;
4977         struct hostapd_hw_modes *mode;
4978         u16 i;
4979
4980         if (wpa_s->hw.modes == NULL)
4981                 return NULL;
4982
4983         os_memset(&ranges, 0, sizeof(ranges));
4984         if (freq_range_list_parse(&ranges, val) < 0)
4985                 return NULL;
4986
4987         for (i = 0; i < wpa_s->hw.num_modes; i++) {
4988                 int j;
4989
4990                 mode = &wpa_s->hw.modes[i];
4991                 for (j = 0; j < mode->num_channels; j++) {
4992                         unsigned int freq;
4993
4994                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
4995                                 continue;
4996
4997                         freq = mode->channels[j].freq;
4998                         if (!freq_range_list_includes(&ranges, freq))
4999                                 continue;
5000
5001                         int_array_add_unique(&freqs, freq);
5002                 }
5003         }
5004
5005         os_free(ranges.range);
5006         return freqs;
5007 }
5008
5009
5010 #ifdef CONFIG_INTERWORKING
5011
5012 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
5013 {
5014         int auto_sel = 0;
5015         int *freqs = NULL;
5016
5017         if (param) {
5018                 char *pos;
5019
5020                 auto_sel = os_strstr(param, "auto") != NULL;
5021
5022                 pos = os_strstr(param, "freq=");
5023                 if (pos) {
5024                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
5025                         if (freqs == NULL)
5026                                 return -1;
5027                 }
5028
5029         }
5030
5031         return interworking_select(wpa_s, auto_sel, freqs);
5032 }
5033
5034
5035 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
5036 {
5037         u8 bssid[ETH_ALEN];
5038         struct wpa_bss *bss;
5039
5040         if (hwaddr_aton(dst, bssid)) {
5041                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
5042                 return -1;
5043         }
5044
5045         bss = wpa_bss_get_bssid(wpa_s, bssid);
5046         if (bss == NULL) {
5047                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
5048                            MAC2STR(bssid));
5049                 return -1;
5050         }
5051
5052         return interworking_connect(wpa_s, bss);
5053 }
5054
5055
5056 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
5057 {
5058         u8 dst_addr[ETH_ALEN];
5059         int used;
5060         char *pos;
5061 #define MAX_ANQP_INFO_ID 100
5062         u16 id[MAX_ANQP_INFO_ID];
5063         size_t num_id = 0;
5064         u32 subtypes = 0;
5065
5066         used = hwaddr_aton2(dst, dst_addr);
5067         if (used < 0)
5068                 return -1;
5069         pos = dst + used;
5070         while (num_id < MAX_ANQP_INFO_ID) {
5071                 if (os_strncmp(pos, "hs20:", 5) == 0) {
5072 #ifdef CONFIG_HS20
5073                         int num = atoi(pos + 5);
5074                         if (num <= 0 || num > 31)
5075                                 return -1;
5076                         subtypes |= BIT(num);
5077 #else /* CONFIG_HS20 */
5078                         return -1;
5079 #endif /* CONFIG_HS20 */
5080                 } else {
5081                         id[num_id] = atoi(pos);
5082                         if (id[num_id])
5083                                 num_id++;
5084                 }
5085                 pos = os_strchr(pos + 1, ',');
5086                 if (pos == NULL)
5087                         break;
5088                 pos++;
5089         }
5090
5091         if (num_id == 0)
5092                 return -1;
5093
5094         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
5095 }
5096
5097
5098 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
5099 {
5100         u8 dst_addr[ETH_ALEN];
5101         struct wpabuf *advproto, *query = NULL;
5102         int used, ret = -1;
5103         char *pos, *end;
5104         size_t len;
5105
5106         used = hwaddr_aton2(cmd, dst_addr);
5107         if (used < 0)
5108                 return -1;
5109
5110         pos = cmd + used;
5111         while (*pos == ' ')
5112                 pos++;
5113
5114         /* Advertisement Protocol ID */
5115         end = os_strchr(pos, ' ');
5116         if (end)
5117                 len = end - pos;
5118         else
5119                 len = os_strlen(pos);
5120         if (len & 0x01)
5121                 return -1;
5122         len /= 2;
5123         if (len == 0)
5124                 return -1;
5125         advproto = wpabuf_alloc(len);
5126         if (advproto == NULL)
5127                 return -1;
5128         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
5129                 goto fail;
5130
5131         if (end) {
5132                 /* Optional Query Request */
5133                 pos = end + 1;
5134                 while (*pos == ' ')
5135                         pos++;
5136
5137                 len = os_strlen(pos);
5138                 if (len) {
5139                         if (len & 0x01)
5140                                 goto fail;
5141                         len /= 2;
5142                         if (len == 0)
5143                                 goto fail;
5144                         query = wpabuf_alloc(len);
5145                         if (query == NULL)
5146                                 goto fail;
5147                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
5148                                 goto fail;
5149                 }
5150         }
5151
5152         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
5153
5154 fail:
5155         wpabuf_free(advproto);
5156         wpabuf_free(query);
5157
5158         return ret;
5159 }
5160
5161
5162 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
5163                             size_t buflen)
5164 {
5165         u8 addr[ETH_ALEN];
5166         int dialog_token;
5167         int used;
5168         char *pos;
5169         size_t resp_len, start, requested_len;
5170         struct wpabuf *resp;
5171         int ret;
5172
5173         used = hwaddr_aton2(cmd, addr);
5174         if (used < 0)
5175                 return -1;
5176
5177         pos = cmd + used;
5178         while (*pos == ' ')
5179                 pos++;
5180         dialog_token = atoi(pos);
5181
5182         if (wpa_s->last_gas_resp &&
5183             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
5184             dialog_token == wpa_s->last_gas_dialog_token)
5185                 resp = wpa_s->last_gas_resp;
5186         else if (wpa_s->prev_gas_resp &&
5187                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
5188                  dialog_token == wpa_s->prev_gas_dialog_token)
5189                 resp = wpa_s->prev_gas_resp;
5190         else
5191                 return -1;
5192
5193         resp_len = wpabuf_len(resp);
5194         start = 0;
5195         requested_len = resp_len;
5196
5197         pos = os_strchr(pos, ' ');
5198         if (pos) {
5199                 start = atoi(pos);
5200                 if (start > resp_len)
5201                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
5202                 pos = os_strchr(pos, ',');
5203                 if (pos == NULL)
5204                         return -1;
5205                 pos++;
5206                 requested_len = atoi(pos);
5207                 if (start + requested_len > resp_len)
5208                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
5209         }
5210
5211         if (requested_len * 2 + 1 > buflen)
5212                 return os_snprintf(buf, buflen, "FAIL-Too long response");
5213
5214         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
5215                                requested_len);
5216
5217         if (start + requested_len == resp_len) {
5218                 /*
5219                  * Free memory by dropping the response after it has been
5220                  * fetched.
5221                  */
5222                 if (resp == wpa_s->prev_gas_resp) {
5223                         wpabuf_free(wpa_s->prev_gas_resp);
5224                         wpa_s->prev_gas_resp = NULL;
5225                 } else {
5226                         wpabuf_free(wpa_s->last_gas_resp);
5227                         wpa_s->last_gas_resp = NULL;
5228                 }
5229         }
5230
5231         return ret;
5232 }
5233 #endif /* CONFIG_INTERWORKING */
5234
5235
5236 #ifdef CONFIG_HS20
5237
5238 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
5239 {
5240         u8 dst_addr[ETH_ALEN];
5241         int used;
5242         char *pos;
5243         u32 subtypes = 0;
5244
5245         used = hwaddr_aton2(dst, dst_addr);
5246         if (used < 0)
5247                 return -1;
5248         pos = dst + used;
5249         for (;;) {
5250                 int num = atoi(pos);
5251                 if (num <= 0 || num > 31)
5252                         return -1;
5253                 subtypes |= BIT(num);
5254                 pos = os_strchr(pos + 1, ',');
5255                 if (pos == NULL)
5256                         break;
5257                 pos++;
5258         }
5259
5260         if (subtypes == 0)
5261                 return -1;
5262
5263         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
5264 }
5265
5266
5267 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5268                                     const u8 *addr, const char *realm)
5269 {
5270         u8 *buf;
5271         size_t rlen, len;
5272         int ret;
5273
5274         rlen = os_strlen(realm);
5275         len = 3 + rlen;
5276         buf = os_malloc(len);
5277         if (buf == NULL)
5278                 return -1;
5279         buf[0] = 1; /* NAI Home Realm Count */
5280         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
5281         buf[2] = rlen;
5282         os_memcpy(buf + 3, realm, rlen);
5283
5284         ret = hs20_anqp_send_req(wpa_s, addr,
5285                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5286                                  buf, len);
5287
5288         os_free(buf);
5289
5290         return ret;
5291 }
5292
5293
5294 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5295                                         char *dst)
5296 {
5297         struct wpa_cred *cred = wpa_s->conf->cred;
5298         u8 dst_addr[ETH_ALEN];
5299         int used;
5300         u8 *buf;
5301         size_t len;
5302         int ret;
5303
5304         used = hwaddr_aton2(dst, dst_addr);
5305         if (used < 0)
5306                 return -1;
5307
5308         while (dst[used] == ' ')
5309                 used++;
5310         if (os_strncmp(dst + used, "realm=", 6) == 0)
5311                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
5312                                                 dst + used + 6);
5313
5314         len = os_strlen(dst + used);
5315
5316         if (len == 0 && cred && cred->realm)
5317                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
5318
5319         if (len % 1)
5320                 return -1;
5321         len /= 2;
5322         buf = os_malloc(len);
5323         if (buf == NULL)
5324                 return -1;
5325         if (hexstr2bin(dst + used, buf, len) < 0) {
5326                 os_free(buf);
5327                 return -1;
5328         }
5329
5330         ret = hs20_anqp_send_req(wpa_s, dst_addr,
5331                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5332                                  buf, len);
5333         os_free(buf);
5334
5335         return ret;
5336 }
5337
5338
5339 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
5340 {
5341         u8 dst_addr[ETH_ALEN];
5342         int used;
5343         char *icon;
5344
5345         used = hwaddr_aton2(cmd, dst_addr);
5346         if (used < 0)
5347                 return -1;
5348
5349         while (cmd[used] == ' ')
5350                 used++;
5351         icon = &cmd[used];
5352
5353         wpa_s->fetch_osu_icon_in_progress = 0;
5354         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
5355                                   (u8 *) icon, os_strlen(icon));
5356 }
5357
5358 #endif /* CONFIG_HS20 */
5359
5360
5361 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
5362         struct wpa_supplicant *wpa_s, char *cmd)
5363 {
5364         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
5365         return 0;
5366 }
5367
5368
5369 #ifdef CONFIG_AUTOSCAN
5370
5371 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
5372                                               char *cmd)
5373 {
5374         enum wpa_states state = wpa_s->wpa_state;
5375         char *new_params = NULL;
5376
5377         if (os_strlen(cmd) > 0) {
5378                 new_params = os_strdup(cmd);
5379                 if (new_params == NULL)
5380                         return -1;
5381         }
5382
5383         os_free(wpa_s->conf->autoscan);
5384         wpa_s->conf->autoscan = new_params;
5385
5386         if (wpa_s->conf->autoscan == NULL)
5387                 autoscan_deinit(wpa_s);
5388         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
5389                 autoscan_init(wpa_s, 1);
5390         else if (state == WPA_SCANNING)
5391                 wpa_supplicant_reinit_autoscan(wpa_s);
5392
5393         return 0;
5394 }
5395
5396 #endif /* CONFIG_AUTOSCAN */
5397
5398
5399 #ifdef CONFIG_WNM
5400
5401 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
5402 {
5403         int enter;
5404         int intval = 0;
5405         char *pos;
5406         int ret;
5407         struct wpabuf *tfs_req = NULL;
5408
5409         if (os_strncmp(cmd, "enter", 5) == 0)
5410                 enter = 1;
5411         else if (os_strncmp(cmd, "exit", 4) == 0)
5412                 enter = 0;
5413         else
5414                 return -1;
5415
5416         pos = os_strstr(cmd, " interval=");
5417         if (pos)
5418                 intval = atoi(pos + 10);
5419
5420         pos = os_strstr(cmd, " tfs_req=");
5421         if (pos) {
5422                 char *end;
5423                 size_t len;
5424                 pos += 9;
5425                 end = os_strchr(pos, ' ');
5426                 if (end)
5427                         len = end - pos;
5428                 else
5429                         len = os_strlen(pos);
5430                 if (len & 1)
5431                         return -1;
5432                 len /= 2;
5433                 tfs_req = wpabuf_alloc(len);
5434                 if (tfs_req == NULL)
5435                         return -1;
5436                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
5437                         wpabuf_free(tfs_req);
5438                         return -1;
5439                 }
5440         }
5441
5442         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
5443                                            WNM_SLEEP_MODE_EXIT, intval,
5444                                            tfs_req);
5445         wpabuf_free(tfs_req);
5446
5447         return ret;
5448 }
5449
5450
5451 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
5452 {
5453         int query_reason;
5454
5455         query_reason = atoi(cmd);
5456
5457         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
5458                    query_reason);
5459
5460         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
5461 }
5462
5463 #endif /* CONFIG_WNM */
5464
5465
5466 /* Get string representation of channel width */
5467 static const char * channel_width_name(enum chan_width width)
5468 {
5469         switch (width) {
5470         case CHAN_WIDTH_20_NOHT:
5471                 return "20 MHz (no HT)";
5472         case CHAN_WIDTH_20:
5473                 return "20 MHz";
5474         case CHAN_WIDTH_40:
5475                 return "40 MHz";
5476         case CHAN_WIDTH_80:
5477                 return "80 MHz";
5478         case CHAN_WIDTH_80P80:
5479                 return "80+80 MHz";
5480         case CHAN_WIDTH_160:
5481                 return "160 MHz";
5482         default:
5483                 return "unknown";
5484         }
5485 }
5486
5487
5488 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
5489                                       size_t buflen)
5490 {
5491         struct wpa_signal_info si;
5492         int ret;
5493         char *pos, *end;
5494
5495         ret = wpa_drv_signal_poll(wpa_s, &si);
5496         if (ret)
5497                 return -1;
5498
5499         pos = buf;
5500         end = buf + buflen;
5501
5502         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
5503                           "NOISE=%d\nFREQUENCY=%u\n",
5504                           si.current_signal, si.current_txrate / 1000,
5505                           si.current_noise, si.frequency);
5506         if (ret < 0 || ret > end - pos)
5507                 return -1;
5508         pos += ret;
5509
5510         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
5511                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
5512                                   channel_width_name(si.chanwidth));
5513                 if (ret < 0 || ret > end - pos)
5514                         return -1;
5515                 pos += ret;
5516         }
5517
5518         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
5519                 ret = os_snprintf(pos, end - pos,
5520                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
5521                                   si.center_frq1, si.center_frq2);
5522                 if (ret < 0 || ret > end - pos)
5523                         return -1;
5524                 pos += ret;
5525         }
5526
5527         if (si.avg_signal) {
5528                 ret = os_snprintf(pos, end - pos,
5529                                   "AVG_RSSI=%d\n", si.avg_signal);
5530                 if (ret < 0 || ret >= end - pos)
5531                         return -1;
5532                 pos += ret;
5533         }
5534
5535         return pos - buf;
5536 }
5537
5538
5539 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
5540                                       size_t buflen)
5541 {
5542         struct hostap_sta_driver_data sta;
5543         int ret;
5544
5545         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
5546         if (ret)
5547                 return -1;
5548
5549         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
5550                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
5551         if (ret < 0 || (size_t) ret > buflen)
5552                 return -1;
5553         return ret;
5554 }
5555
5556
5557 #ifdef ANDROID
5558 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
5559                                      char *buf, size_t buflen)
5560 {
5561         int ret;
5562
5563         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
5564         if (ret == 0) {
5565                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
5566                         struct p2p_data *p2p = wpa_s->global->p2p;
5567                         if (p2p) {
5568                                 char country[3];
5569                                 country[0] = cmd[8];
5570                                 country[1] = cmd[9];
5571                                 country[2] = 0x04;
5572                                 p2p_set_country(p2p, country);
5573                         }
5574                 }
5575                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
5576         }
5577         return ret;
5578 }
5579 #endif /* ANDROID */
5580
5581
5582 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
5583                                      char *buf, size_t buflen)
5584 {
5585         int ret;
5586         char *pos;
5587         u8 *data = NULL;
5588         unsigned int vendor_id, subcmd;
5589         struct wpabuf *reply;
5590         size_t data_len = 0;
5591
5592         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
5593         vendor_id = strtoul(cmd, &pos, 16);
5594         if (!isblank(*pos))
5595                 return -EINVAL;
5596
5597         subcmd = strtoul(pos, &pos, 10);
5598
5599         if (*pos != '\0') {
5600                 if (!isblank(*pos++))
5601                         return -EINVAL;
5602                 data_len = os_strlen(pos);
5603         }
5604
5605         if (data_len) {
5606                 data_len /= 2;
5607                 data = os_malloc(data_len);
5608                 if (!data)
5609                         return -1;
5610
5611                 if (hexstr2bin(pos, data, data_len)) {
5612                         wpa_printf(MSG_DEBUG,
5613                                    "Vendor command: wrong parameter format");
5614                         os_free(data);
5615                         return -EINVAL;
5616                 }
5617         }
5618
5619         reply = wpabuf_alloc((buflen - 1) / 2);
5620         if (!reply) {
5621                 os_free(data);
5622                 return -1;
5623         }
5624
5625         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
5626                                  reply);
5627
5628         if (ret == 0)
5629                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
5630                                        wpabuf_len(reply));
5631
5632         wpabuf_free(reply);
5633         os_free(data);
5634
5635         return ret;
5636 }
5637
5638
5639 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
5640 {
5641         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
5642
5643 #ifdef CONFIG_P2P
5644         wpas_p2p_cancel(wpa_s);
5645         wpas_p2p_stop_find(wpa_s);
5646         p2p_ctrl_flush(wpa_s);
5647         wpas_p2p_group_remove(wpa_s, "*");
5648         wpas_p2p_service_flush(wpa_s);
5649         wpa_s->global->p2p_disabled = 0;
5650         wpa_s->global->p2p_per_sta_psk = 0;
5651         wpa_s->conf->num_sec_device_types = 0;
5652         wpa_s->p2p_disable_ip_addr_req = 0;
5653 #endif /* CONFIG_P2P */
5654
5655 #ifdef CONFIG_WPS_TESTING
5656         wps_version_number = 0x20;
5657         wps_testing_dummy_cred = 0;
5658         wps_corrupt_pkhash = 0;
5659 #endif /* CONFIG_WPS_TESTING */
5660 #ifdef CONFIG_WPS
5661         wpa_s->wps_fragment_size = 0;
5662         wpas_wps_cancel(wpa_s);
5663 #endif /* CONFIG_WPS */
5664         wpa_s->after_wps = 0;
5665         wpa_s->known_wps_freq = 0;
5666
5667 #ifdef CONFIG_TDLS
5668 #ifdef CONFIG_TDLS_TESTING
5669         extern unsigned int tdls_testing;
5670         tdls_testing = 0;
5671 #endif /* CONFIG_TDLS_TESTING */
5672         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
5673         wpa_tdls_enable(wpa_s->wpa, 1);
5674 #endif /* CONFIG_TDLS */
5675
5676         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
5677         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
5678
5679         wpa_s->no_keep_alive = 0;
5680
5681         os_free(wpa_s->disallow_aps_bssid);
5682         wpa_s->disallow_aps_bssid = NULL;
5683         wpa_s->disallow_aps_bssid_count = 0;
5684         os_free(wpa_s->disallow_aps_ssid);
5685         wpa_s->disallow_aps_ssid = NULL;
5686         wpa_s->disallow_aps_ssid_count = 0;
5687
5688         wpa_s->set_sta_uapsd = 0;
5689         wpa_s->sta_uapsd = 0;
5690
5691         wpa_drv_radio_disable(wpa_s, 0);
5692
5693         wpa_bss_flush(wpa_s);
5694         wpa_blacklist_clear(wpa_s);
5695         wpa_s->extra_blacklist_count = 0;
5696         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
5697         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
5698         wpa_config_flush_blobs(wpa_s->conf);
5699         wpa_s->conf->auto_interworking = 0;
5700         wpa_s->conf->okc = 0;
5701
5702         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
5703         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
5704         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
5705         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5706
5707         radio_remove_works(wpa_s, NULL, 1);
5708
5709         wpa_s->next_ssid = NULL;
5710
5711 #ifdef CONFIG_INTERWORKING
5712         hs20_cancel_fetch_osu(wpa_s);
5713 #endif /* CONFIG_INTERWORKING */
5714
5715         wpa_s->ext_mgmt_frame_handling = 0;
5716 }
5717
5718
5719 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
5720                                      char *buf, size_t buflen)
5721 {
5722         struct wpa_radio_work *work;
5723         char *pos, *end;
5724         struct os_reltime now, diff;
5725
5726         pos = buf;
5727         end = buf + buflen;
5728
5729         os_get_reltime(&now);
5730
5731         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
5732         {
5733                 int ret;
5734
5735                 os_reltime_sub(&now, &work->time, &diff);
5736                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
5737                                   work->type, work->wpa_s->ifname, work->freq,
5738                                   work->started, diff.sec, diff.usec);
5739                 if (ret < 0 || ret >= end - pos)
5740                         break;
5741                 pos += ret;
5742         }
5743
5744         return pos - buf;
5745 }
5746
5747
5748 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
5749 {
5750         struct wpa_radio_work *work = eloop_ctx;
5751         struct wpa_external_work *ework = work->ctx;
5752
5753         wpa_dbg(work->wpa_s, MSG_DEBUG,
5754                 "Timing out external radio work %u (%s)",
5755                 ework->id, work->type);
5756         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
5757         os_free(ework);
5758         radio_work_done(work);
5759 }
5760
5761
5762 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
5763 {
5764         struct wpa_external_work *ework = work->ctx;
5765
5766         if (deinit) {
5767                 if (work->started)
5768                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
5769                                              work, NULL);
5770
5771                 os_free(ework);
5772                 return;
5773         }
5774
5775         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
5776                 ework->id, ework->type);
5777         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
5778         if (!ework->timeout)
5779                 ework->timeout = 10;
5780         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
5781                                work, NULL);
5782 }
5783
5784
5785 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
5786                                     char *buf, size_t buflen)
5787 {
5788         struct wpa_external_work *ework;
5789         char *pos, *pos2;
5790         size_t type_len;
5791         int ret;
5792         unsigned int freq = 0;
5793
5794         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
5795
5796         ework = os_zalloc(sizeof(*ework));
5797         if (ework == NULL)
5798                 return -1;
5799
5800         pos = os_strchr(cmd, ' ');
5801         if (pos) {
5802                 type_len = pos - cmd;
5803                 pos++;
5804
5805                 pos2 = os_strstr(pos, "freq=");
5806                 if (pos2)
5807                         freq = atoi(pos2 + 5);
5808
5809                 pos2 = os_strstr(pos, "timeout=");
5810                 if (pos2)
5811                         ework->timeout = atoi(pos2 + 8);
5812         } else {
5813                 type_len = os_strlen(cmd);
5814         }
5815         if (4 + type_len >= sizeof(ework->type))
5816                 type_len = sizeof(ework->type) - 4 - 1;
5817         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
5818         os_memcpy(ework->type + 4, cmd, type_len);
5819         ework->type[4 + type_len] = '\0';
5820
5821         wpa_s->ext_work_id++;
5822         if (wpa_s->ext_work_id == 0)
5823                 wpa_s->ext_work_id++;
5824         ework->id = wpa_s->ext_work_id;
5825
5826         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
5827                            ework) < 0) {
5828                 os_free(ework);
5829                 return -1;
5830         }
5831
5832         ret = os_snprintf(buf, buflen, "%u", ework->id);
5833         if (ret < 0 || (size_t) ret >= buflen)
5834                 return -1;
5835         return ret;
5836 }
5837
5838
5839 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
5840 {
5841         struct wpa_radio_work *work;
5842         unsigned int id = atoi(cmd);
5843
5844         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
5845         {
5846                 struct wpa_external_work *ework;
5847
5848                 if (os_strncmp(work->type, "ext:", 4) != 0)
5849                         continue;
5850                 ework = work->ctx;
5851                 if (id && ework->id != id)
5852                         continue;
5853                 wpa_dbg(wpa_s, MSG_DEBUG,
5854                         "Completed external radio work %u (%s)",
5855                         ework->id, ework->type);
5856                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
5857                 radio_work_done(work);
5858                 os_free(ework);
5859                 return 3; /* "OK\n" */
5860         }
5861
5862         return -1;
5863 }
5864
5865
5866 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
5867                                 char *buf, size_t buflen)
5868 {
5869         if (os_strcmp(cmd, "show") == 0)
5870                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
5871         if (os_strncmp(cmd, "add ", 4) == 0)
5872                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
5873         if (os_strncmp(cmd, "done ", 5) == 0)
5874                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
5875         return -1;
5876 }
5877
5878
5879 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
5880 {
5881         struct wpa_radio_work *work, *tmp;
5882
5883         if (!wpa_s || !wpa_s->radio)
5884                 return;
5885
5886         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
5887                               struct wpa_radio_work, list) {
5888                 struct wpa_external_work *ework;
5889
5890                 if (os_strncmp(work->type, "ext:", 4) != 0)
5891                         continue;
5892                 ework = work->ctx;
5893                 wpa_dbg(wpa_s, MSG_DEBUG,
5894                         "Flushing%s external radio work %u (%s)",
5895                         work->started ? " started" : "", ework->id,
5896                         ework->type);
5897                 if (work->started)
5898                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
5899                                              work, NULL);
5900                 os_free(ework);
5901                 radio_work_done(work);
5902         }
5903 }
5904
5905
5906 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
5907 {
5908         struct wpa_supplicant *wpa_s = eloop_ctx;
5909         eapol_sm_notify_ctrl_response(wpa_s->eapol);
5910 }
5911
5912
5913 static int set_scan_freqs(struct wpa_supplicant *wpa_s, char *val)
5914 {
5915         int *freqs = NULL;
5916
5917         freqs = freq_range_to_channel_list(wpa_s, val);
5918         if (freqs == NULL)
5919                 return -1;
5920
5921         os_free(wpa_s->manual_scan_freqs);
5922         wpa_s->manual_scan_freqs = freqs;
5923
5924         return 0;
5925 }
5926
5927
5928 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
5929                            char *reply, int reply_size, int *reply_len)
5930 {
5931         char *pos;
5932
5933         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
5934                 *reply_len = -1;
5935                 return;
5936         }
5937
5938         wpa_s->manual_scan_passive = 0;
5939         wpa_s->manual_scan_use_id = 0;
5940         wpa_s->manual_scan_only_new = 0;
5941
5942         if (params) {
5943                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
5944                         wpa_s->scan_res_handler = scan_only_handler;
5945
5946                 pos = os_strstr(params, "freq=");
5947                 if (pos && set_scan_freqs(wpa_s, pos + 5) < 0) {
5948                         *reply_len = -1;
5949                         return;
5950                 }
5951
5952                 pos = os_strstr(params, "passive=");
5953                 if (pos)
5954                         wpa_s->manual_scan_passive = !!atoi(pos + 8);
5955
5956                 pos = os_strstr(params, "use_id=");
5957                 if (pos)
5958                         wpa_s->manual_scan_use_id = atoi(pos + 7);
5959
5960                 pos = os_strstr(params, "only_new=1");
5961                 if (pos)
5962                         wpa_s->manual_scan_only_new = 1;
5963         } else {
5964                 os_free(wpa_s->manual_scan_freqs);
5965                 wpa_s->manual_scan_freqs = NULL;
5966                 if (wpa_s->scan_res_handler == scan_only_handler)
5967                         wpa_s->scan_res_handler = NULL;
5968         }
5969
5970         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5971             ((wpa_s->wpa_state <= WPA_SCANNING) ||
5972              (wpa_s->wpa_state == WPA_COMPLETED))) {
5973                 wpa_s->normal_scans = 0;
5974                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5975                 wpa_s->after_wps = 0;
5976                 wpa_s->known_wps_freq = 0;
5977                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5978                 if (wpa_s->manual_scan_use_id) {
5979                         wpa_s->manual_scan_id++;
5980                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
5981                                 wpa_s->manual_scan_id);
5982                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
5983                                                  wpa_s->manual_scan_id);
5984                 }
5985         } else if (wpa_s->sched_scanning) {
5986                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
5987                 wpa_supplicant_cancel_sched_scan(wpa_s);
5988                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5989                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5990                 if (wpa_s->manual_scan_use_id) {
5991                         wpa_s->manual_scan_id++;
5992                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
5993                                                  wpa_s->manual_scan_id);
5994                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
5995                                 wpa_s->manual_scan_id);
5996                 }
5997         } else {
5998                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
5999                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
6000         }
6001 }
6002
6003
6004 #ifdef CONFIG_TESTING_OPTIONS
6005
6006 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
6007                                        unsigned int freq, const u8 *dst,
6008                                        const u8 *src, const u8 *bssid,
6009                                        const u8 *data, size_t data_len,
6010                                        enum offchannel_send_action_result
6011                                        result)
6012 {
6013         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
6014                 " src=" MACSTR " bssid=" MACSTR " result=%s",
6015                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
6016                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
6017                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
6018                              "NO_ACK" : "FAILED"));
6019 }
6020
6021
6022 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
6023 {
6024         char *pos, *param;
6025         size_t len;
6026         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
6027         int res, used;
6028         int freq = 0, no_cck = 0, wait_time = 0;
6029
6030         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
6031          *    <action=Action frame payload> */
6032
6033         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
6034
6035         pos = cmd;
6036         used = hwaddr_aton2(pos, da);
6037         if (used < 0)
6038                 return -1;
6039         pos += used;
6040         while (*pos == ' ')
6041                 pos++;
6042         used = hwaddr_aton2(pos, bssid);
6043         if (used < 0)
6044                 return -1;
6045         pos += used;
6046
6047         param = os_strstr(pos, " freq=");
6048         if (param) {
6049                 param += 6;
6050                 freq = atoi(param);
6051         }
6052
6053         param = os_strstr(pos, " no_cck=");
6054         if (param) {
6055                 param += 8;
6056                 no_cck = atoi(param);
6057         }
6058
6059         param = os_strstr(pos, " wait_time=");
6060         if (param) {
6061                 param += 11;
6062                 wait_time = atoi(param);
6063         }
6064
6065         param = os_strstr(pos, " action=");
6066         if (param == NULL)
6067                 return -1;
6068         param += 8;
6069
6070         len = os_strlen(param);
6071         if (len & 1)
6072                 return -1;
6073         len /= 2;
6074
6075         buf = os_malloc(len);
6076         if (buf == NULL)
6077                 return -1;
6078
6079         if (hexstr2bin(param, buf, len) < 0) {
6080                 os_free(buf);
6081                 return -1;
6082         }
6083
6084         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
6085                                      buf, len, wait_time,
6086                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
6087         os_free(buf);
6088         return res;
6089 }
6090
6091
6092 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
6093 {
6094         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
6095         offchannel_send_action_done(wpa_s);
6096 }
6097
6098
6099 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
6100 {
6101         char *pos, *param;
6102         union wpa_event_data event;
6103         enum wpa_event_type ev;
6104
6105         /* <event name> [parameters..] */
6106
6107         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
6108
6109         pos = cmd;
6110         param = os_strchr(pos, ' ');
6111         if (param)
6112                 *param++ = '\0';
6113
6114         os_memset(&event, 0, sizeof(event));
6115
6116         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
6117                 ev = EVENT_INTERFACE_ENABLED;
6118         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
6119                 ev = EVENT_INTERFACE_DISABLED;
6120         } else {
6121                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
6122                         cmd);
6123                 return -1;
6124         }
6125
6126         wpa_supplicant_event(wpa_s, ev, &event);
6127
6128         return 0;
6129 }
6130
6131 #endif /* CONFIG_TESTING_OPTIONS */
6132
6133
6134 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
6135                                          char *buf, size_t *resp_len)
6136 {
6137         char *reply;
6138         const int reply_size = 4096;
6139         int reply_len;
6140
6141         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
6142             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
6143                 if (wpa_debug_show_keys)
6144                         wpa_dbg(wpa_s, MSG_DEBUG,
6145                                 "Control interface command '%s'", buf);
6146                 else
6147                         wpa_dbg(wpa_s, MSG_DEBUG,
6148                                 "Control interface command '%s [REMOVED]'",
6149                                 os_strncmp(buf, WPA_CTRL_RSP,
6150                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
6151                                 WPA_CTRL_RSP : "SET_NETWORK");
6152         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
6153                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
6154                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
6155                                       (const u8 *) buf, os_strlen(buf));
6156         } else {
6157                 int level = MSG_DEBUG;
6158                 if (os_strcmp(buf, "PING") == 0)
6159                         level = MSG_EXCESSIVE;
6160                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
6161         }
6162
6163         reply = os_malloc(reply_size);
6164         if (reply == NULL) {
6165                 *resp_len = 1;
6166                 return NULL;
6167         }
6168
6169         os_memcpy(reply, "OK\n", 3);
6170         reply_len = 3;
6171
6172         if (os_strcmp(buf, "PING") == 0) {
6173                 os_memcpy(reply, "PONG\n", 5);
6174                 reply_len = 5;
6175         } else if (os_strcmp(buf, "IFNAME") == 0) {
6176                 reply_len = os_strlen(wpa_s->ifname);
6177                 os_memcpy(reply, wpa_s->ifname, reply_len);
6178         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
6179                 if (wpa_debug_reopen_file() < 0)
6180                         reply_len = -1;
6181         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
6182                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
6183         } else if (os_strcmp(buf, "MIB") == 0) {
6184                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
6185                 if (reply_len >= 0) {
6186                         int res;
6187                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
6188                                                reply_size - reply_len);
6189                         if (res < 0)
6190                                 reply_len = -1;
6191                         else
6192                                 reply_len += res;
6193                 }
6194         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
6195                 reply_len = wpa_supplicant_ctrl_iface_status(
6196                         wpa_s, buf + 6, reply, reply_size);
6197         } else if (os_strcmp(buf, "PMKSA") == 0) {
6198                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
6199                                                     reply_size);
6200         } else if (os_strncmp(buf, "SET ", 4) == 0) {
6201                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
6202                         reply_len = -1;
6203         } else if (os_strncmp(buf, "GET ", 4) == 0) {
6204                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
6205                                                           reply, reply_size);
6206         } else if (os_strcmp(buf, "LOGON") == 0) {
6207                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
6208         } else if (os_strcmp(buf, "LOGOFF") == 0) {
6209                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
6210         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
6211                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
6212                         reply_len = -1;
6213                 else
6214                         wpas_request_connection(wpa_s);
6215         } else if (os_strcmp(buf, "REATTACH") == 0) {
6216                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
6217                     !wpa_s->current_ssid)
6218                         reply_len = -1;
6219                 else {
6220                         wpa_s->reattach = 1;
6221                         wpas_request_connection(wpa_s);
6222                 }
6223         } else if (os_strcmp(buf, "RECONNECT") == 0) {
6224                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
6225                         reply_len = -1;
6226                 else if (wpa_s->disconnected)
6227                         wpas_request_connection(wpa_s);
6228 #ifdef IEEE8021X_EAPOL
6229         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
6230                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
6231                         reply_len = -1;
6232 #endif /* IEEE8021X_EAPOL */
6233 #ifdef CONFIG_PEERKEY
6234         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
6235                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
6236                         reply_len = -1;
6237 #endif /* CONFIG_PEERKEY */
6238 #ifdef CONFIG_IEEE80211R
6239         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
6240                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
6241                         reply_len = -1;
6242 #endif /* CONFIG_IEEE80211R */
6243 #ifdef CONFIG_WPS
6244         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
6245                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
6246                 if (res == -2) {
6247                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
6248                         reply_len = 17;
6249                 } else if (res)
6250                         reply_len = -1;
6251         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
6252                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
6253                 if (res == -2) {
6254                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
6255                         reply_len = 17;
6256                 } else if (res)
6257                         reply_len = -1;
6258         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
6259                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
6260                                                               reply,
6261                                                               reply_size);
6262         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
6263                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
6264                         wpa_s, buf + 14, reply, reply_size);
6265         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
6266                 if (wpas_wps_cancel(wpa_s))
6267                         reply_len = -1;
6268 #ifdef CONFIG_WPS_NFC
6269         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
6270                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
6271                         reply_len = -1;
6272         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
6273                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
6274                         reply_len = -1;
6275         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
6276                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
6277                         wpa_s, buf + 21, reply, reply_size);
6278         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
6279                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
6280                         wpa_s, buf + 14, reply, reply_size);
6281         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
6282                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
6283                                                                buf + 17))
6284                         reply_len = -1;
6285         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
6286                 reply_len = wpas_ctrl_nfc_get_handover_req(
6287                         wpa_s, buf + 21, reply, reply_size);
6288         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
6289                 reply_len = wpas_ctrl_nfc_get_handover_sel(
6290                         wpa_s, buf + 21, reply, reply_size);
6291         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
6292                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
6293                         reply_len = -1;
6294 #endif /* CONFIG_WPS_NFC */
6295         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
6296                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
6297                         reply_len = -1;
6298 #ifdef CONFIG_AP
6299         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
6300                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
6301                         wpa_s, buf + 11, reply, reply_size);
6302 #endif /* CONFIG_AP */
6303 #ifdef CONFIG_WPS_ER
6304         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
6305                 if (wpas_wps_er_start(wpa_s, NULL))
6306                         reply_len = -1;
6307         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
6308                 if (wpas_wps_er_start(wpa_s, buf + 13))
6309                         reply_len = -1;
6310         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
6311                 if (wpas_wps_er_stop(wpa_s))
6312                         reply_len = -1;
6313         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
6314                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
6315                         reply_len = -1;
6316         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
6317                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
6318                 if (ret == -2) {
6319                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
6320                         reply_len = 17;
6321                 } else if (ret == -3) {
6322                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
6323                         reply_len = 18;
6324                 } else if (ret == -4) {
6325                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
6326                         reply_len = 20;
6327                 } else if (ret)
6328                         reply_len = -1;
6329         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
6330                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
6331                         reply_len = -1;
6332         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
6333                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
6334                                                                 buf + 18))
6335                         reply_len = -1;
6336         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
6337                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
6338                         reply_len = -1;
6339 #ifdef CONFIG_WPS_NFC
6340         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
6341                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
6342                         wpa_s, buf + 24, reply, reply_size);
6343 #endif /* CONFIG_WPS_NFC */
6344 #endif /* CONFIG_WPS_ER */
6345 #endif /* CONFIG_WPS */
6346 #ifdef CONFIG_IBSS_RSN
6347         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
6348                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
6349                         reply_len = -1;
6350 #endif /* CONFIG_IBSS_RSN */
6351 #ifdef CONFIG_P2P
6352         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
6353                 if (p2p_ctrl_find(wpa_s, buf + 9))
6354                         reply_len = -1;
6355         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
6356                 if (p2p_ctrl_find(wpa_s, ""))
6357                         reply_len = -1;
6358         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
6359                 wpas_p2p_stop_find(wpa_s);
6360         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
6361                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
6362                                              reply_size);
6363         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
6364                 if (p2p_ctrl_listen(wpa_s, buf + 11))
6365                         reply_len = -1;
6366         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
6367                 if (p2p_ctrl_listen(wpa_s, ""))
6368                         reply_len = -1;
6369         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
6370                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
6371                         reply_len = -1;
6372         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
6373                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0, 0))
6374                         reply_len = -1;
6375         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
6376                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
6377                         reply_len = -1;
6378         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
6379                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
6380                         reply_len = -1;
6381         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
6382                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
6383         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
6384                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
6385                                                    reply_size);
6386         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
6387                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
6388                         reply_len = -1;
6389         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
6390                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
6391                         reply_len = -1;
6392         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
6393                 wpas_p2p_sd_service_update(wpa_s);
6394         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
6395                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
6396                         reply_len = -1;
6397         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
6398                 wpas_p2p_service_flush(wpa_s);
6399         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
6400                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
6401                         reply_len = -1;
6402         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
6403                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
6404                         reply_len = -1;
6405         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
6406                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
6407                         reply_len = -1;
6408         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
6409                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
6410                         reply_len = -1;
6411         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
6412                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
6413                                               reply_size);
6414         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
6415                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
6416                         reply_len = -1;
6417         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
6418                 p2p_ctrl_flush(wpa_s);
6419         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
6420                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
6421                         reply_len = -1;
6422         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
6423                 if (wpas_p2p_cancel(wpa_s))
6424                         reply_len = -1;
6425         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
6426                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
6427                         reply_len = -1;
6428         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
6429                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
6430                         reply_len = -1;
6431         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
6432                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
6433                         reply_len = -1;
6434         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
6435                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
6436                         reply_len = -1;
6437         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
6438                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
6439                         reply_len = -1;
6440 #endif /* CONFIG_P2P */
6441 #ifdef CONFIG_WIFI_DISPLAY
6442         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
6443                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
6444                         reply_len = -1;
6445         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
6446                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
6447                                                      reply, reply_size);
6448 #endif /* CONFIG_WIFI_DISPLAY */
6449 #ifdef CONFIG_INTERWORKING
6450         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
6451                 if (interworking_fetch_anqp(wpa_s) < 0)
6452                         reply_len = -1;
6453         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
6454                 interworking_stop_fetch_anqp(wpa_s);
6455         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
6456                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
6457                         reply_len = -1;
6458         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
6459                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
6460                         reply_len = -1;
6461         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
6462                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
6463                         reply_len = -1;
6464         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
6465                 if (get_anqp(wpa_s, buf + 9) < 0)
6466                         reply_len = -1;
6467         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
6468                 if (gas_request(wpa_s, buf + 12) < 0)
6469                         reply_len = -1;
6470         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
6471                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
6472                                              reply_size);
6473 #endif /* CONFIG_INTERWORKING */
6474 #ifdef CONFIG_HS20
6475         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
6476                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
6477                         reply_len = -1;
6478         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
6479                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
6480                         reply_len = -1;
6481         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
6482                 if (hs20_icon_request(wpa_s, buf + 18) < 0)
6483                         reply_len = -1;
6484         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
6485                 if (hs20_fetch_osu(wpa_s) < 0)
6486                         reply_len = -1;
6487         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
6488                 hs20_cancel_fetch_osu(wpa_s);
6489 #endif /* CONFIG_HS20 */
6490         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
6491         {
6492                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
6493                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
6494                         reply_len = -1;
6495                 else {
6496                         /*
6497                          * Notify response from timeout to allow the control
6498                          * interface response to be sent first.
6499                          */
6500                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
6501                                                wpa_s, NULL);
6502                 }
6503         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
6504                 if (wpa_supplicant_reload_configuration(wpa_s))
6505                         reply_len = -1;
6506         } else if (os_strcmp(buf, "TERMINATE") == 0) {
6507                 wpa_supplicant_terminate_proc(wpa_s->global);
6508         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
6509                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
6510                         reply_len = -1;
6511         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
6512                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
6513                         wpa_s, buf + 9, reply, reply_size);
6514         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
6515                 reply_len = wpa_supplicant_ctrl_iface_log_level(
6516                         wpa_s, buf + 9, reply, reply_size);
6517         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
6518                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
6519                         wpa_s, reply, reply_size);
6520         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
6521 #ifdef CONFIG_SME
6522                 wpa_s->sme.prev_bssid_set = 0;
6523 #endif /* CONFIG_SME */
6524                 wpa_s->reassociate = 0;
6525                 wpa_s->disconnected = 1;
6526                 wpa_supplicant_cancel_sched_scan(wpa_s);
6527                 wpa_supplicant_cancel_scan(wpa_s);
6528                 wpa_supplicant_deauthenticate(wpa_s,
6529                                               WLAN_REASON_DEAUTH_LEAVING);
6530         } else if (os_strcmp(buf, "SCAN") == 0) {
6531                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
6532         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
6533                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
6534         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
6535                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
6536                         wpa_s, reply, reply_size);
6537         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
6538                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
6539                         reply_len = -1;
6540         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
6541                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
6542                         reply_len = -1;
6543         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
6544                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
6545                         reply_len = -1;
6546         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
6547                 reply_len = wpa_supplicant_ctrl_iface_add_network(
6548                         wpa_s, reply, reply_size);
6549         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
6550                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
6551                         reply_len = -1;
6552         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
6553                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
6554                         reply_len = -1;
6555         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
6556                 reply_len = wpa_supplicant_ctrl_iface_get_network(
6557                         wpa_s, buf + 12, reply, reply_size);
6558         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
6559                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12))
6560                         reply_len = -1;
6561         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
6562                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
6563                         wpa_s, reply, reply_size);
6564         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
6565                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
6566                         wpa_s, reply, reply_size);
6567         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
6568                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
6569                         reply_len = -1;
6570         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
6571                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
6572                         reply_len = -1;
6573         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
6574                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
6575                                                                reply,
6576                                                                reply_size);
6577 #ifndef CONFIG_NO_CONFIG_WRITE
6578         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
6579                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
6580                         reply_len = -1;
6581 #endif /* CONFIG_NO_CONFIG_WRITE */
6582         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
6583                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
6584                         wpa_s, buf + 15, reply, reply_size);
6585         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
6586                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
6587                         reply_len = -1;
6588         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
6589                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
6590                         reply_len = -1;
6591         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
6592                 reply_len = wpa_supplicant_global_iface_list(
6593                         wpa_s->global, reply, reply_size);
6594         } else if (os_strcmp(buf, "INTERFACES") == 0) {
6595                 reply_len = wpa_supplicant_global_iface_interfaces(
6596                         wpa_s->global, reply, reply_size);
6597         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
6598                 reply_len = wpa_supplicant_ctrl_iface_bss(
6599                         wpa_s, buf + 4, reply, reply_size);
6600 #ifdef CONFIG_AP
6601         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
6602                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
6603         } else if (os_strncmp(buf, "STA ", 4) == 0) {
6604                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
6605                                               reply_size);
6606         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
6607                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
6608                                                    reply_size);
6609         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
6610                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
6611                         reply_len = -1;
6612         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
6613                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
6614                         reply_len = -1;
6615         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
6616                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
6617                         reply_len = -1;
6618 #endif /* CONFIG_AP */
6619         } else if (os_strcmp(buf, "SUSPEND") == 0) {
6620                 wpas_notify_suspend(wpa_s->global);
6621         } else if (os_strcmp(buf, "RESUME") == 0) {
6622                 wpas_notify_resume(wpa_s->global);
6623 #ifdef CONFIG_TESTING_OPTIONS
6624         } else if (os_strcmp(buf, "DROP_SA") == 0) {
6625                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
6626 #endif /* CONFIG_TESTING_OPTIONS */
6627         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
6628                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
6629                         reply_len = -1;
6630         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
6631                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
6632                         reply_len = -1;
6633         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
6634                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
6635                         reply_len = -1;
6636         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
6637                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
6638                                                                buf + 17))
6639                         reply_len = -1;
6640         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
6641                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
6642                         reply_len = -1;
6643 #ifdef CONFIG_TDLS
6644         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
6645                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
6646                         reply_len = -1;
6647         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
6648                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
6649                         reply_len = -1;
6650         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
6651                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
6652                         reply_len = -1;
6653 #endif /* CONFIG_TDLS */
6654         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
6655                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
6656                                                        reply_size);
6657         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
6658                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
6659                                                        reply_size);
6660 #ifdef CONFIG_AUTOSCAN
6661         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
6662                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
6663                         reply_len = -1;
6664 #endif /* CONFIG_AUTOSCAN */
6665 #ifdef ANDROID
6666         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
6667                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
6668                                                       reply_size);
6669 #endif /* ANDROID */
6670         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
6671                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
6672                                                       reply_size);
6673         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
6674                 pmksa_cache_clear_current(wpa_s->wpa);
6675                 eapol_sm_request_reauth(wpa_s->eapol);
6676 #ifdef CONFIG_WNM
6677         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
6678                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
6679                         reply_len = -1;
6680         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 10) == 0) {
6681                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 10))
6682                                 reply_len = -1;
6683 #endif /* CONFIG_WNM */
6684         } else if (os_strcmp(buf, "FLUSH") == 0) {
6685                 wpa_supplicant_ctrl_iface_flush(wpa_s);
6686         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
6687                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
6688                                                  reply_size);
6689 #ifdef CONFIG_TESTING_OPTIONS
6690         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
6691                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
6692                         reply_len = -1;
6693         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
6694                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
6695         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
6696                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
6697                         reply_len = -1;
6698 #endif /* CONFIG_TESTING_OPTIONS */
6699         } else {
6700                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
6701                 reply_len = 16;
6702         }
6703
6704         if (reply_len < 0) {
6705                 os_memcpy(reply, "FAIL\n", 5);
6706                 reply_len = 5;
6707         }
6708
6709         *resp_len = reply_len;
6710         return reply;
6711 }
6712
6713
6714 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
6715                                            char *cmd)
6716 {
6717         struct wpa_interface iface;
6718         char *pos;
6719
6720         /*
6721          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
6722          * TAB<bridge_ifname>
6723          */
6724         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
6725
6726         os_memset(&iface, 0, sizeof(iface));
6727
6728         do {
6729                 iface.ifname = pos = cmd;
6730                 pos = os_strchr(pos, '\t');
6731                 if (pos)
6732                         *pos++ = '\0';
6733                 if (iface.ifname[0] == '\0')
6734                         return -1;
6735                 if (pos == NULL)
6736                         break;
6737
6738                 iface.confname = pos;
6739                 pos = os_strchr(pos, '\t');
6740                 if (pos)
6741                         *pos++ = '\0';
6742                 if (iface.confname[0] == '\0')
6743                         iface.confname = NULL;
6744                 if (pos == NULL)
6745                         break;
6746
6747                 iface.driver = pos;
6748                 pos = os_strchr(pos, '\t');
6749                 if (pos)
6750                         *pos++ = '\0';
6751                 if (iface.driver[0] == '\0')
6752                         iface.driver = NULL;
6753                 if (pos == NULL)
6754                         break;
6755
6756                 iface.ctrl_interface = pos;
6757                 pos = os_strchr(pos, '\t');
6758                 if (pos)
6759                         *pos++ = '\0';
6760                 if (iface.ctrl_interface[0] == '\0')
6761                         iface.ctrl_interface = NULL;
6762                 if (pos == NULL)
6763                         break;
6764
6765                 iface.driver_param = pos;
6766                 pos = os_strchr(pos, '\t');
6767                 if (pos)
6768                         *pos++ = '\0';
6769                 if (iface.driver_param[0] == '\0')
6770                         iface.driver_param = NULL;
6771                 if (pos == NULL)
6772                         break;
6773
6774                 iface.bridge_ifname = pos;
6775                 pos = os_strchr(pos, '\t');
6776                 if (pos)
6777                         *pos++ = '\0';
6778                 if (iface.bridge_ifname[0] == '\0')
6779                         iface.bridge_ifname = NULL;
6780                 if (pos == NULL)
6781                         break;
6782         } while (0);
6783
6784         if (wpa_supplicant_get_iface(global, iface.ifname))
6785                 return -1;
6786
6787         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
6788 }
6789
6790
6791 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
6792                                               char *cmd)
6793 {
6794         struct wpa_supplicant *wpa_s;
6795
6796         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
6797
6798         wpa_s = wpa_supplicant_get_iface(global, cmd);
6799         if (wpa_s == NULL)
6800                 return -1;
6801         return wpa_supplicant_remove_iface(global, wpa_s, 0);
6802 }
6803
6804
6805 static void wpa_free_iface_info(struct wpa_interface_info *iface)
6806 {
6807         struct wpa_interface_info *prev;
6808
6809         while (iface) {
6810                 prev = iface;
6811                 iface = iface->next;
6812
6813                 os_free(prev->ifname);
6814                 os_free(prev->desc);
6815                 os_free(prev);
6816         }
6817 }
6818
6819
6820 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
6821                                             char *buf, int len)
6822 {
6823         int i, res;
6824         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
6825         char *pos, *end;
6826
6827         for (i = 0; wpa_drivers[i]; i++) {
6828                 struct wpa_driver_ops *drv = wpa_drivers[i];
6829                 if (drv->get_interfaces == NULL)
6830                         continue;
6831                 tmp = drv->get_interfaces(global->drv_priv[i]);
6832                 if (tmp == NULL)
6833                         continue;
6834
6835                 if (last == NULL)
6836                         iface = last = tmp;
6837                 else
6838                         last->next = tmp;
6839                 while (last->next)
6840                         last = last->next;
6841         }
6842
6843         pos = buf;
6844         end = buf + len;
6845         for (tmp = iface; tmp; tmp = tmp->next) {
6846                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
6847                                   tmp->drv_name, tmp->ifname,
6848                                   tmp->desc ? tmp->desc : "");
6849                 if (res < 0 || res >= end - pos) {
6850                         *pos = '\0';
6851                         break;
6852                 }
6853                 pos += res;
6854         }
6855
6856         wpa_free_iface_info(iface);
6857
6858         return pos - buf;
6859 }
6860
6861
6862 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
6863                                                   char *buf, int len)
6864 {
6865         int res;
6866         char *pos, *end;
6867         struct wpa_supplicant *wpa_s;
6868
6869         wpa_s = global->ifaces;
6870         pos = buf;
6871         end = buf + len;
6872
6873         while (wpa_s) {
6874                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
6875                 if (res < 0 || res >= end - pos) {
6876                         *pos = '\0';
6877                         break;
6878                 }
6879                 pos += res;
6880                 wpa_s = wpa_s->next;
6881         }
6882         return pos - buf;
6883 }
6884
6885
6886 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
6887                                             const char *ifname,
6888                                             char *cmd, size_t *resp_len)
6889 {
6890         struct wpa_supplicant *wpa_s;
6891
6892         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6893                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
6894                         break;
6895         }
6896
6897         if (wpa_s == NULL) {
6898                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
6899                 if (resp)
6900                         *resp_len = os_strlen(resp);
6901                 else
6902                         *resp_len = 1;
6903                 return resp;
6904         }
6905
6906         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
6907 }
6908
6909
6910 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
6911                                                char *buf, size_t *resp_len)
6912 {
6913 #ifdef CONFIG_P2P
6914         static const char * cmd[] = {
6915                 "LIST_NETWORKS",
6916                 "P2P_FIND",
6917                 "P2P_STOP_FIND",
6918                 "P2P_LISTEN",
6919                 "P2P_GROUP_ADD",
6920                 "P2P_GET_PASSPHRASE",
6921                 "P2P_SERVICE_UPDATE",
6922                 "P2P_SERVICE_FLUSH",
6923                 "P2P_FLUSH",
6924                 "P2P_CANCEL",
6925                 "P2P_PRESENCE_REQ",
6926                 "P2P_EXT_LISTEN",
6927                 NULL
6928         };
6929         static const char * prefix[] = {
6930 #ifdef ANDROID
6931                 "DRIVER ",
6932 #endif /* ANDROID */
6933                 "GET_NETWORK ",
6934                 "REMOVE_NETWORK ",
6935                 "P2P_FIND ",
6936                 "P2P_CONNECT ",
6937                 "P2P_LISTEN ",
6938                 "P2P_GROUP_REMOVE ",
6939                 "P2P_GROUP_ADD ",
6940                 "P2P_PROV_DISC ",
6941                 "P2P_SERV_DISC_REQ ",
6942                 "P2P_SERV_DISC_CANCEL_REQ ",
6943                 "P2P_SERV_DISC_RESP ",
6944                 "P2P_SERV_DISC_EXTERNAL ",
6945                 "P2P_SERVICE_ADD ",
6946                 "P2P_SERVICE_DEL ",
6947                 "P2P_REJECT ",
6948                 "P2P_INVITE ",
6949                 "P2P_PEER ",
6950                 "P2P_SET ",
6951                 "P2P_UNAUTHORIZE ",
6952                 "P2P_PRESENCE_REQ ",
6953                 "P2P_EXT_LISTEN ",
6954                 "P2P_REMOVE_CLIENT ",
6955                 "NFC_GET_HANDOVER_SEL ",
6956                 "NFC_GET_HANDOVER_REQ ",
6957                 "NFC_REPORT_HANDOVER ",
6958                 NULL
6959         };
6960         int found = 0;
6961         int i;
6962
6963         if (global->p2p_init_wpa_s == NULL)
6964                 return NULL;
6965
6966         for (i = 0; !found && cmd[i]; i++) {
6967                 if (os_strcmp(buf, cmd[i]) == 0)
6968                         found = 1;
6969         }
6970
6971         for (i = 0; !found && prefix[i]; i++) {
6972                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
6973                         found = 1;
6974         }
6975
6976         if (found)
6977                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
6978                                                          buf, resp_len);
6979 #endif /* CONFIG_P2P */
6980         return NULL;
6981 }
6982
6983
6984 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
6985                                                char *buf, size_t *resp_len)
6986 {
6987 #ifdef CONFIG_WIFI_DISPLAY
6988         if (global->p2p_init_wpa_s == NULL)
6989                 return NULL;
6990         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
6991             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
6992                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
6993                                                          buf, resp_len);
6994 #endif /* CONFIG_WIFI_DISPLAY */
6995         return NULL;
6996 }
6997
6998
6999 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
7000                                            char *buf, size_t *resp_len)
7001 {
7002         char *ret;
7003
7004         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
7005         if (ret)
7006                 return ret;
7007
7008         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
7009         if (ret)
7010                 return ret;
7011
7012         return NULL;
7013 }
7014
7015
7016 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
7017 {
7018         char *value;
7019
7020         value = os_strchr(cmd, ' ');
7021         if (value == NULL)
7022                 return -1;
7023         *value++ = '\0';
7024
7025         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
7026
7027 #ifdef CONFIG_WIFI_DISPLAY
7028         if (os_strcasecmp(cmd, "wifi_display") == 0) {
7029                 wifi_display_enable(global, !!atoi(value));
7030                 return 0;
7031         }
7032 #endif /* CONFIG_WIFI_DISPLAY */
7033
7034         /* Restore cmd to its original value to allow redirection */
7035         value[-1] = ' ';
7036
7037         return -1;
7038 }
7039
7040
7041 #ifndef CONFIG_NO_CONFIG_WRITE
7042 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
7043 {
7044         int ret = 0, saved = 0;
7045         struct wpa_supplicant *wpa_s;
7046
7047         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
7048                 if (!wpa_s->conf->update_config) {
7049                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
7050                         continue;
7051                 }
7052
7053                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
7054                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
7055                         ret = 1;
7056                 } else {
7057                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
7058                         saved++;
7059                 }
7060         }
7061
7062         if (!saved && !ret) {
7063                 wpa_dbg(wpa_s, MSG_DEBUG,
7064                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
7065                 ret = 1;
7066         }
7067
7068         return ret;
7069 }
7070 #endif /* CONFIG_NO_CONFIG_WRITE */
7071
7072
7073 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
7074                                          char *buf, size_t buflen)
7075 {
7076         char *pos, *end;
7077         int ret;
7078         struct wpa_supplicant *wpa_s;
7079
7080         pos = buf;
7081         end = buf + buflen;
7082
7083 #ifdef CONFIG_P2P
7084         if (global->p2p && !global->p2p_disabled) {
7085                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
7086                                   "\n"
7087                                   "p2p_state=%s\n",
7088                                   MAC2STR(global->p2p_dev_addr),
7089                                   p2p_get_state_txt(global->p2p));
7090                 if (ret < 0 || ret >= end - pos)
7091                         return pos - buf;
7092                 pos += ret;
7093         } else if (global->p2p) {
7094                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
7095                 if (ret < 0 || ret >= end - pos)
7096                         return pos - buf;
7097                 pos += ret;
7098         }
7099 #endif /* CONFIG_P2P */
7100
7101 #ifdef CONFIG_WIFI_DISPLAY
7102         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
7103                           !!global->wifi_display);
7104         if (ret < 0 || ret >= end - pos)
7105                 return pos - buf;
7106         pos += ret;
7107 #endif /* CONFIG_WIFI_DISPLAY */
7108
7109         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
7110                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
7111                                   "address=" MACSTR "\n",
7112                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
7113                 if (ret < 0 || ret >= end - pos)
7114                         return pos - buf;
7115                 pos += ret;
7116         }
7117
7118         return pos - buf;
7119 }
7120
7121
7122 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
7123                                                 char *buf, size_t *resp_len)
7124 {
7125         char *reply;
7126         const int reply_size = 2048;
7127         int reply_len;
7128         int level = MSG_DEBUG;
7129
7130         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
7131                 char *pos = os_strchr(buf + 7, ' ');
7132                 if (pos) {
7133                         *pos++ = '\0';
7134                         return wpas_global_ctrl_iface_ifname(global,
7135                                                              buf + 7, pos,
7136                                                              resp_len);
7137                 }
7138         }
7139
7140         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
7141         if (reply)
7142                 return reply;
7143
7144         if (os_strcmp(buf, "PING") == 0)
7145                 level = MSG_EXCESSIVE;
7146         wpa_hexdump_ascii(level, "RX global ctrl_iface",
7147                           (const u8 *) buf, os_strlen(buf));
7148
7149         reply = os_malloc(reply_size);
7150         if (reply == NULL) {
7151                 *resp_len = 1;
7152                 return NULL;
7153         }
7154
7155         os_memcpy(reply, "OK\n", 3);
7156         reply_len = 3;
7157
7158         if (os_strcmp(buf, "PING") == 0) {
7159                 os_memcpy(reply, "PONG\n", 5);
7160                 reply_len = 5;
7161         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
7162                 if (wpa_supplicant_global_iface_add(global, buf + 14))
7163                         reply_len = -1;
7164         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
7165                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
7166                         reply_len = -1;
7167         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
7168                 reply_len = wpa_supplicant_global_iface_list(
7169                         global, reply, reply_size);
7170         } else if (os_strcmp(buf, "INTERFACES") == 0) {
7171                 reply_len = wpa_supplicant_global_iface_interfaces(
7172                         global, reply, reply_size);
7173         } else if (os_strcmp(buf, "TERMINATE") == 0) {
7174                 wpa_supplicant_terminate_proc(global);
7175         } else if (os_strcmp(buf, "SUSPEND") == 0) {
7176                 wpas_notify_suspend(global);
7177         } else if (os_strcmp(buf, "RESUME") == 0) {
7178                 wpas_notify_resume(global);
7179         } else if (os_strncmp(buf, "SET ", 4) == 0) {
7180                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
7181 #ifdef CONFIG_P2P
7182                         if (global->p2p_init_wpa_s) {
7183                                 os_free(reply);
7184                                 /* Check if P2P redirection would work for this
7185                                  * command. */
7186                                 return wpa_supplicant_ctrl_iface_process(
7187                                         global->p2p_init_wpa_s,
7188                                         buf, resp_len);
7189                         }
7190 #endif /* CONFIG_P2P */
7191                         reply_len = -1;
7192                 }
7193 #ifndef CONFIG_NO_CONFIG_WRITE
7194         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
7195                 if (wpas_global_ctrl_iface_save_config(global))
7196                         reply_len = -1;
7197 #endif /* CONFIG_NO_CONFIG_WRITE */
7198         } else if (os_strcmp(buf, "STATUS") == 0) {
7199                 reply_len = wpas_global_ctrl_iface_status(global, reply,
7200                                                           reply_size);
7201 #ifdef CONFIG_MODULE_TESTS
7202         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
7203                 int wpas_module_tests(void);
7204                 if (wpas_module_tests() < 0)
7205                         reply_len = -1;
7206 #endif /* CONFIG_MODULE_TESTS */
7207         } else {
7208                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
7209                 reply_len = 16;
7210         }
7211
7212         if (reply_len < 0) {
7213                 os_memcpy(reply, "FAIL\n", 5);
7214                 reply_len = 5;
7215         }
7216
7217         *resp_len = reply_len;
7218         return reply;
7219 }