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 (os_strcmp(addr, "*") == 0) {
 588                 /* remove everyone */
 589                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN *");
 590                 wpa_tdls_teardown_peers(wpa_s->wpa);
 591                 return 0;
 592         }
 593
 594         if (hwaddr_aton(addr, peer)) {
 595                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 596                            "address '%s'", addr);
 597                 return -1;
 598         }
 599
 600         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 601                    MAC2STR(peer));
 602
 603         if ((wpa_s->conf->tdls_external_control) &&
 604             wpa_tdls_is_external_setup(wpa_s->wpa))
 605                 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 606
 607         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 608                 ret = wpa_tdls_teardown_link(
 609                         wpa_s->wpa, peer,
 610                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 611         else
 612                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 613
 614         return ret;
 615 }
 616
 617
 618 static int ctrl_iface_get_capability_tdls(
 619         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
 620 {
 621         int ret;
 622
 623         ret = os_snprintf(buf, buflen, "%s\n",
 624                           wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
 625                           (wpa_s->drv_flags &
 626                            WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
 627                            "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
 628         if (ret < 0 || (size_t) ret > buflen)
 629                 return -1;
 630         return ret;
 631 }
 632
 633 #endif /* CONFIG_TDLS */
 634
 635
 636 #ifdef CONFIG_IEEE80211R
 637 static int wpa_supplicant_ctrl_iface_ft_ds(
 638         struct wpa_supplicant *wpa_s, char *addr)
 639 {
 640         u8 target_ap[ETH_ALEN];
 641         struct wpa_bss *bss;
 642         const u8 *mdie;
 643
 644         if (hwaddr_aton(addr, target_ap)) {
 645                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 646                            "address '%s'", addr);
 647                 return -1;
 648         }
 649
 650         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 651
 652         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 653         if (bss)
 654                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 655         else
 656                 mdie = NULL;
 657
 658         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 659 }
 660 #endif /* CONFIG_IEEE80211R */
 661
 662
 663 #ifdef CONFIG_WPS
 664 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 665                                              char *cmd)
 666 {
 667         u8 bssid[ETH_ALEN], *_bssid = bssid;
 668 #ifdef CONFIG_P2P
 669         u8 p2p_dev_addr[ETH_ALEN];
 670 #endif /* CONFIG_P2P */
 671 #ifdef CONFIG_AP
 672         u8 *_p2p_dev_addr = NULL;
 673 #endif /* CONFIG_AP */
 674
 675         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 676                 _bssid = NULL;
 677 #ifdef CONFIG_P2P
 678         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 679                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 680                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 681                                    "P2P Device Address '%s'",
 682                                    cmd + 13);
 683                         return -1;
 684                 }
 685                 _p2p_dev_addr = p2p_dev_addr;
 686 #endif /* CONFIG_P2P */
 687         } else if (hwaddr_aton(cmd, bssid)) {
 688                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 689                            cmd);
 690                 return -1;
 691         }
 692
 693 #ifdef CONFIG_AP
 694         if (wpa_s->ap_iface)
 695                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 696 #endif /* CONFIG_AP */
 697
 698         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 699 }
 700
 701
 702 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 703                                              char *cmd, char *buf,
 704                                              size_t buflen)
 705 {
 706         u8 bssid[ETH_ALEN], *_bssid = bssid;
 707         char *pin;
 708         int ret;
 709
 710         pin = os_strchr(cmd, ' ');
 711         if (pin)
 712                 *pin++ = '\0';
 713
 714         if (os_strcmp(cmd, "any") == 0)
 715                 _bssid = NULL;
 716         else if (os_strcmp(cmd, "get") == 0) {
 717                 ret = wps_generate_pin();
 718                 goto done;
 719         } else if (hwaddr_aton(cmd, bssid)) {
 720                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 721                            cmd);
 722                 return -1;
 723         }
 724
 725 #ifdef CONFIG_AP
 726         if (wpa_s->ap_iface) {
 727                 int timeout = 0;
 728                 char *pos;
 729
 730                 if (pin) {
 731                         pos = os_strchr(pin, ' ');
 732                         if (pos) {
 733                                 *pos++ = '\0';
 734                                 timeout = atoi(pos);
 735                         }
 736                 }
 737
 738                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 739                                                  buf, buflen, timeout);
 740         }
 741 #endif /* CONFIG_AP */
 742
 743         if (pin) {
 744                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 745                                          DEV_PW_DEFAULT);
 746                 if (ret < 0)
 747                         return -1;
 748                 ret = os_snprintf(buf, buflen, "%s", pin);
 749                 if (ret < 0 || (size_t) ret >= buflen)
 750                         return -1;
 751                 return ret;
 752         }
 753
 754         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 755         if (ret < 0)
 756                 return -1;
 757
 758 done:
 759         /* Return the generated PIN */
 760         ret = os_snprintf(buf, buflen, "%08d", ret);
 761         if (ret < 0 || (size_t) ret >= buflen)
 762                 return -1;
 763         return ret;
 764 }
 765
 766
 767 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 768         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 769 {
 770         char pin[9];
 771         size_t len;
 772         char *pos;
 773         int ret;
 774
 775         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
 776                               (u8 *) cmd, os_strlen(cmd));
 777         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
 778                 if (*pos < '0' || *pos > '9')
 779                         continue;
 780                 pin[len++] = *pos;
 781                 if (len == 9) {
 782                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
 783                         return -1;
 784                 }
 785         }
 786         if (len != 4 && len != 8) {
 787                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
 788                 return -1;
 789         }
 790         pin[len] = '\0';
 791
 792         if (len == 8) {
 793                 unsigned int pin_val;
 794                 pin_val = atoi(pin);
 795                 if (!wps_pin_valid(pin_val)) {
 796                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
 797                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
 798                         if (ret < 0 || (size_t) ret >= buflen)
 799                                 return -1;
 800                         return ret;
 801                 }
 802         }
 803
 804         ret = os_snprintf(buf, buflen, "%s", pin);
 805         if (ret < 0 || (size_t) ret >= buflen)
 806                 return -1;
 807
 808         return ret;
 809 }
 810
 811
 812 #ifdef CONFIG_WPS_NFC
 813
 814 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
 815                                              char *cmd)
 816 {
 817         u8 bssid[ETH_ALEN], *_bssid = bssid;
 818
 819         if (cmd == NULL || cmd[0] == '\0')
 820                 _bssid = NULL;
 821         else if (hwaddr_aton(cmd, bssid))
 822                 return -1;
 823
 824         return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
 825                                   0, 0);
 826 }
 827
 828
 829 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
 830         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 831 {
 832         int ndef;
 833         struct wpabuf *buf;
 834         int res;
 835         char *pos;
 836
 837         pos = os_strchr(cmd, ' ');
 838         if (pos)
 839                 *pos++ = '\0';
 840         if (os_strcmp(cmd, "WPS") == 0)
 841                 ndef = 0;
 842         else if (os_strcmp(cmd, "NDEF") == 0)
 843                 ndef = 1;
 844         else
 845                 return -1;
 846
 847         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
 848         if (buf == NULL)
 849                 return -1;
 850
 851         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 852                                          wpabuf_len(buf));
 853         reply[res++] = '\n';
 854         reply[res] = '\0';
 855
 856         wpabuf_free(buf);
 857
 858         return res;
 859 }
 860
 861
 862 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
 863         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 864 {
 865         int ndef;
 866         struct wpabuf *buf;
 867         int res;
 868
 869         if (os_strcmp(cmd, "WPS") == 0)
 870                 ndef = 0;
 871         else if (os_strcmp(cmd, "NDEF") == 0)
 872                 ndef = 1;
 873         else
 874                 return -1;
 875
 876         buf = wpas_wps_nfc_token(wpa_s, ndef);
 877         if (buf == NULL)
 878                 return -1;
 879
 880         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 881                                          wpabuf_len(buf));
 882         reply[res++] = '\n';
 883         reply[res] = '\0';
 884
 885         wpabuf_free(buf);
 886
 887         return res;
 888 }
 889
 890
 891 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
 892         struct wpa_supplicant *wpa_s, char *pos)
 893 {
 894         size_t len;
 895         struct wpabuf *buf;
 896         int ret;
 897         char *freq;
 898         int forced_freq = 0;
 899
 900         freq = strstr(pos, " freq=");
 901         if (freq) {
 902                 *freq = '\0';
 903                 freq += 6;
 904                 forced_freq = atoi(freq);
 905         }
 906
 907         len = os_strlen(pos);
 908         if (len & 0x01)
 909                 return -1;
 910         len /= 2;
 911
 912         buf = wpabuf_alloc(len);
 913         if (buf == NULL)
 914                 return -1;
 915         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
 916                 wpabuf_free(buf);
 917                 return -1;
 918         }
 919
 920         ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
 921         wpabuf_free(buf);
 922
 923         return ret;
 924 }
 925
 926
 927 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
 928                                               char *reply, size_t max_len,
 929                                               int ndef)
 930 {
 931         struct wpabuf *buf;
 932         int res;
 933
 934         buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
 935         if (buf == NULL)
 936                 return -1;
 937
 938         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 939                                          wpabuf_len(buf));
 940         reply[res++] = '\n';
 941         reply[res] = '\0';
 942
 943         wpabuf_free(buf);
 944
 945         return res;
 946 }
 947
 948
 949 #ifdef CONFIG_P2P
 950 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
 951                                               char *reply, size_t max_len,
 952                                               int ndef)
 953 {
 954         struct wpabuf *buf;
 955         int res;
 956
 957         buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
 958         if (buf == NULL) {
 959                 wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
 960                 return -1;
 961         }
 962
 963         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 964                                          wpabuf_len(buf));
 965         reply[res++] = '\n';
 966         reply[res] = '\0';
 967
 968         wpabuf_free(buf);
 969
 970         return res;
 971 }
 972 #endif /* CONFIG_P2P */
 973
 974
 975 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
 976                                           char *cmd, char *reply,
 977                                           size_t max_len)
 978 {
 979         char *pos;
 980         int ndef;
 981
 982         pos = os_strchr(cmd, ' ');
 983         if (pos == NULL)
 984                 return -1;
 985         *pos++ = '\0';
 986
 987         if (os_strcmp(cmd, "WPS") == 0)
 988                 ndef = 0;
 989         else if (os_strcmp(cmd, "NDEF") == 0)
 990                 ndef = 1;
 991         else
 992                 return -1;
 993
 994         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
 995                 if (!ndef)
 996                         return -1;
 997                 return wpas_ctrl_nfc_get_handover_req_wps(
 998                         wpa_s, reply, max_len, ndef);
 999         }
1000
1001 #ifdef CONFIG_P2P
1002         if (os_strcmp(pos, "P2P-CR") == 0) {
1003                 return wpas_ctrl_nfc_get_handover_req_p2p(
1004                         wpa_s, reply, max_len, ndef);
1005         }
1006 #endif /* CONFIG_P2P */
1007
1008         return -1;
1009 }
1010
1011
1012 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1013                                               char *reply, size_t max_len,
1014                                               int ndef, int cr, char *uuid)
1015 {
1016         struct wpabuf *buf;
1017         int res;
1018
1019         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1020         if (buf == NULL)
1021                 return -1;
1022
1023         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1024                                          wpabuf_len(buf));
1025         reply[res++] = '\n';
1026         reply[res] = '\0';
1027
1028         wpabuf_free(buf);
1029
1030         return res;
1031 }
1032
1033
1034 #ifdef CONFIG_P2P
1035 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1036                                               char *reply, size_t max_len,
1037                                               int ndef, int tag)
1038 {
1039         struct wpabuf *buf;
1040         int res;
1041
1042         buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1043         if (buf == NULL)
1044                 return -1;
1045
1046         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1047                                          wpabuf_len(buf));
1048         reply[res++] = '\n';
1049         reply[res] = '\0';
1050
1051         wpabuf_free(buf);
1052
1053         return res;
1054 }
1055 #endif /* CONFIG_P2P */
1056
1057
1058 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1059                                           char *cmd, char *reply,
1060                                           size_t max_len)
1061 {
1062         char *pos, *pos2;
1063         int ndef;
1064
1065         pos = os_strchr(cmd, ' ');
1066         if (pos == NULL)
1067                 return -1;
1068         *pos++ = '\0';
1069
1070         if (os_strcmp(cmd, "WPS") == 0)
1071                 ndef = 0;
1072         else if (os_strcmp(cmd, "NDEF") == 0)
1073                 ndef = 1;
1074         else
1075                 return -1;
1076
1077         pos2 = os_strchr(pos, ' ');
1078         if (pos2)
1079                 *pos2++ = '\0';
1080         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1081                 if (!ndef)
1082                         return -1;
1083                 return wpas_ctrl_nfc_get_handover_sel_wps(
1084                         wpa_s, reply, max_len, ndef,
1085                         os_strcmp(pos, "WPS-CR") == 0, pos2);
1086         }
1087
1088 #ifdef CONFIG_P2P
1089         if (os_strcmp(pos, "P2P-CR") == 0) {
1090                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1091                         wpa_s, reply, max_len, ndef, 0);
1092         }
1093
1094         if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1095                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1096                         wpa_s, reply, max_len, ndef, 1);
1097         }
1098 #endif /* CONFIG_P2P */
1099
1100         return -1;
1101 }
1102
1103
1104 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1105                                          char *cmd)
1106 {
1107         size_t len;
1108         struct wpabuf *req, *sel;
1109         int ret;
1110         char *pos, *role, *type, *pos2;
1111 #ifdef CONFIG_P2P
1112         char *freq;
1113         int forced_freq = 0;
1114
1115         freq = strstr(cmd, " freq=");
1116         if (freq) {
1117                 *freq = '\0';
1118                 freq += 6;
1119                 forced_freq = atoi(freq);
1120         }
1121 #endif /* CONFIG_P2P */
1122
1123         role = cmd;
1124         pos = os_strchr(role, ' ');
1125         if (pos == NULL) {
1126                 wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1127                 return -1;
1128         }
1129         *pos++ = '\0';
1130
1131         type = pos;
1132         pos = os_strchr(type, ' ');
1133         if (pos == NULL) {
1134                 wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1135                 return -1;
1136         }
1137         *pos++ = '\0';
1138
1139         pos2 = os_strchr(pos, ' ');
1140         if (pos2 == NULL) {
1141                 wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1142                 return -1;
1143         }
1144         *pos2++ = '\0';
1145
1146         len = os_strlen(pos);
1147         if (len & 0x01) {
1148                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1149                 return -1;
1150         }
1151         len /= 2;
1152
1153         req = wpabuf_alloc(len);
1154         if (req == NULL) {
1155                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1156                 return -1;
1157         }
1158         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1159                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1160                 wpabuf_free(req);
1161                 return -1;
1162         }
1163
1164         len = os_strlen(pos2);
1165         if (len & 0x01) {
1166                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1167                 wpabuf_free(req);
1168                 return -1;
1169         }
1170         len /= 2;
1171
1172         sel = wpabuf_alloc(len);
1173         if (sel == NULL) {
1174                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1175                 wpabuf_free(req);
1176                 return -1;
1177         }
1178         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1179                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1180                 wpabuf_free(req);
1181                 wpabuf_free(sel);
1182                 return -1;
1183         }
1184
1185         wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1186                    role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1187
1188         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1189                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1190 #ifdef CONFIG_AP
1191         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1192         {
1193                 ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1194                 if (ret < 0)
1195                         ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1196 #endif /* CONFIG_AP */
1197 #ifdef CONFIG_P2P
1198         } else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1199         {
1200                 ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1201         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1202         {
1203                 ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1204                                                    forced_freq);
1205 #endif /* CONFIG_P2P */
1206         } else {
1207                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1208                            "reported: role=%s type=%s", role, type);
1209                 ret = -1;
1210         }
1211         wpabuf_free(req);
1212         wpabuf_free(sel);
1213
1214         if (ret)
1215                 wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1216
1217         return ret;
1218 }
1219
1220 #endif /* CONFIG_WPS_NFC */
1221
1222
1223 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1224                                              char *cmd)
1225 {
1226         u8 bssid[ETH_ALEN];
1227         char *pin;
1228         char *new_ssid;
1229         char *new_auth;
1230         char *new_encr;
1231         char *new_key;
1232         struct wps_new_ap_settings ap;
1233
1234         pin = os_strchr(cmd, ' ');
1235         if (pin == NULL)
1236                 return -1;
1237         *pin++ = '\0';
1238
1239         if (hwaddr_aton(cmd, bssid)) {
1240                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1241                            cmd);
1242                 return -1;
1243         }
1244
1245         new_ssid = os_strchr(pin, ' ');
1246         if (new_ssid == NULL)
1247                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1248         *new_ssid++ = '\0';
1249
1250         new_auth = os_strchr(new_ssid, ' ');
1251         if (new_auth == NULL)
1252                 return -1;
1253         *new_auth++ = '\0';
1254
1255         new_encr = os_strchr(new_auth, ' ');
1256         if (new_encr == NULL)
1257                 return -1;
1258         *new_encr++ = '\0';
1259
1260         new_key = os_strchr(new_encr, ' ');
1261         if (new_key == NULL)
1262                 return -1;
1263         *new_key++ = '\0';
1264
1265         os_memset(&ap, 0, sizeof(ap));
1266         ap.ssid_hex = new_ssid;
1267         ap.auth = new_auth;
1268         ap.encr = new_encr;
1269         ap.key_hex = new_key;
1270         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1271 }
1272
1273
1274 #ifdef CONFIG_AP
1275 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1276                                                 char *cmd, char *buf,
1277                                                 size_t buflen)
1278 {
1279         int timeout = 300;
1280         char *pos;
1281         const char *pin_txt;
1282
1283         if (!wpa_s->ap_iface)
1284                 return -1;
1285
1286         pos = os_strchr(cmd, ' ');
1287         if (pos)
1288                 *pos++ = '\0';
1289
1290         if (os_strcmp(cmd, "disable") == 0) {
1291                 wpas_wps_ap_pin_disable(wpa_s);
1292                 return os_snprintf(buf, buflen, "OK\n");
1293         }
1294
1295         if (os_strcmp(cmd, "random") == 0) {
1296                 if (pos)
1297                         timeout = atoi(pos);
1298                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1299                 if (pin_txt == NULL)
1300                         return -1;
1301                 return os_snprintf(buf, buflen, "%s", pin_txt);
1302         }
1303
1304         if (os_strcmp(cmd, "get") == 0) {
1305                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1306                 if (pin_txt == NULL)
1307                         return -1;
1308                 return os_snprintf(buf, buflen, "%s", pin_txt);
1309         }
1310
1311         if (os_strcmp(cmd, "set") == 0) {
1312                 char *pin;
1313                 if (pos == NULL)
1314                         return -1;
1315                 pin = pos;
1316                 pos = os_strchr(pos, ' ');
1317                 if (pos) {
1318                         *pos++ = '\0';
1319                         timeout = atoi(pos);
1320                 }
1321                 if (os_strlen(pin) > buflen)
1322                         return -1;
1323                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1324                         return -1;
1325                 return os_snprintf(buf, buflen, "%s", pin);
1326         }
1327
1328         return -1;
1329 }
1330 #endif /* CONFIG_AP */
1331
1332
1333 #ifdef CONFIG_WPS_ER
1334 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1335                                                 char *cmd)
1336 {
1337         char *uuid = cmd, *pin, *pos;
1338         u8 addr_buf[ETH_ALEN], *addr = NULL;
1339         pin = os_strchr(uuid, ' ');
1340         if (pin == NULL)
1341                 return -1;
1342         *pin++ = '\0';
1343         pos = os_strchr(pin, ' ');
1344         if (pos) {
1345                 *pos++ = '\0';
1346                 if (hwaddr_aton(pos, addr_buf) == 0)
1347                         addr = addr_buf;
1348         }
1349         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1350 }
1351
1352
1353 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1354                                                   char *cmd)
1355 {
1356         char *uuid = cmd, *pin;
1357         pin = os_strchr(uuid, ' ');
1358         if (pin == NULL)
1359                 return -1;
1360         *pin++ = '\0';
1361         return wpas_wps_er_learn(wpa_s, uuid, pin);
1362 }
1363
1364
1365 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1366         struct wpa_supplicant *wpa_s, char *cmd)
1367 {
1368         char *uuid = cmd, *id;
1369         id = os_strchr(uuid, ' ');
1370         if (id == NULL)
1371                 return -1;
1372         *id++ = '\0';
1373         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1374 }
1375
1376
1377 static int wpa_supplicant_ctrl_iface_wps_er_config(
1378         struct wpa_supplicant *wpa_s, char *cmd)
1379 {
1380         char *pin;
1381         char *new_ssid;
1382         char *new_auth;
1383         char *new_encr;
1384         char *new_key;
1385         struct wps_new_ap_settings ap;
1386
1387         pin = os_strchr(cmd, ' ');
1388         if (pin == NULL)
1389                 return -1;
1390         *pin++ = '\0';
1391
1392         new_ssid = os_strchr(pin, ' ');
1393         if (new_ssid == NULL)
1394                 return -1;
1395         *new_ssid++ = '\0';
1396
1397         new_auth = os_strchr(new_ssid, ' ');
1398         if (new_auth == NULL)
1399                 return -1;
1400         *new_auth++ = '\0';
1401
1402         new_encr = os_strchr(new_auth, ' ');
1403         if (new_encr == NULL)
1404                 return -1;
1405         *new_encr++ = '\0';
1406
1407         new_key = os_strchr(new_encr, ' ');
1408         if (new_key == NULL)
1409                 return -1;
1410         *new_key++ = '\0';
1411
1412         os_memset(&ap, 0, sizeof(ap));
1413         ap.ssid_hex = new_ssid;
1414         ap.auth = new_auth;
1415         ap.encr = new_encr;
1416         ap.key_hex = new_key;
1417         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1418 }
1419
1420
1421 #ifdef CONFIG_WPS_NFC
1422 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1423         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1424 {
1425         int ndef;
1426         struct wpabuf *buf;
1427         int res;
1428         char *uuid;
1429
1430         uuid = os_strchr(cmd, ' ');
1431         if (uuid == NULL)
1432                 return -1;
1433         *uuid++ = '\0';
1434
1435         if (os_strcmp(cmd, "WPS") == 0)
1436                 ndef = 0;
1437         else if (os_strcmp(cmd, "NDEF") == 0)
1438                 ndef = 1;
1439         else
1440                 return -1;
1441
1442         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1443         if (buf == NULL)
1444                 return -1;
1445
1446         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1447                                          wpabuf_len(buf));
1448         reply[res++] = '\n';
1449         reply[res] = '\0';
1450
1451         wpabuf_free(buf);
1452
1453         return res;
1454 }
1455 #endif /* CONFIG_WPS_NFC */
1456 #endif /* CONFIG_WPS_ER */
1457
1458 #endif /* CONFIG_WPS */
1459
1460
1461 #ifdef CONFIG_IBSS_RSN
1462 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1463         struct wpa_supplicant *wpa_s, char *addr)
1464 {
1465         u8 peer[ETH_ALEN];
1466
1467         if (hwaddr_aton(addr, peer)) {
1468                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1469                            "address '%s'", addr);
1470                 return -1;
1471         }
1472
1473         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1474                    MAC2STR(peer));
1475
1476         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1477 }
1478 #endif /* CONFIG_IBSS_RSN */
1479
1480
1481 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1482                                               char *rsp)
1483 {
1484 #ifdef IEEE8021X_EAPOL
1485         char *pos, *id_pos;
1486         int id;
1487         struct wpa_ssid *ssid;
1488
1489         pos = os_strchr(rsp, '-');
1490         if (pos == NULL)
1491                 return -1;
1492         *pos++ = '\0';
1493         id_pos = pos;
1494         pos = os_strchr(pos, ':');
1495         if (pos == NULL)
1496                 return -1;
1497         *pos++ = '\0';
1498         id = atoi(id_pos);
1499         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1500         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1501                               (u8 *) pos, os_strlen(pos));
1502
1503         ssid = wpa_config_get_network(wpa_s->conf, id);
1504         if (ssid == NULL) {
1505                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1506                            "to update", id);
1507                 return -1;
1508         }
1509
1510         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1511                                                          pos);
1512 #else /* IEEE8021X_EAPOL */
1513         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1514         return -1;
1515 #endif /* IEEE8021X_EAPOL */
1516 }
1517
1518
1519 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1520                                             const char *params,
1521                                             char *buf, size_t buflen)
1522 {
1523         char *pos, *end, tmp[30];
1524         int res, verbose, wps, ret;
1525 #ifdef CONFIG_HS20
1526         const u8 *hs20;
1527 #endif /* CONFIG_HS20 */
1528
1529         if (os_strcmp(params, "-DRIVER") == 0)
1530                 return wpa_drv_status(wpa_s, buf, buflen);
1531         verbose = os_strcmp(params, "-VERBOSE") == 0;
1532         wps = os_strcmp(params, "-WPS") == 0;
1533         pos = buf;
1534         end = buf + buflen;
1535         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1536                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1537                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1538                                   MAC2STR(wpa_s->bssid));
1539                 if (ret < 0 || ret >= end - pos)
1540                         return pos - buf;
1541                 pos += ret;
1542                 if (ssid) {
1543                         u8 *_ssid = ssid->ssid;
1544                         size_t ssid_len = ssid->ssid_len;
1545                         u8 ssid_buf[MAX_SSID_LEN];
1546                         if (ssid_len == 0) {
1547                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1548                                 if (_res < 0)
1549                                         ssid_len = 0;
1550                                 else
1551                                         ssid_len = _res;
1552                                 _ssid = ssid_buf;
1553                         }
1554                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1555                                           wpa_ssid_txt(_ssid, ssid_len),
1556                                           ssid->id);
1557                         if (ret < 0 || ret >= end - pos)
1558                                 return pos - buf;
1559                         pos += ret;
1560
1561                         if (wps && ssid->passphrase &&
1562                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1563                             (ssid->mode == WPAS_MODE_AP ||
1564                              ssid->mode == WPAS_MODE_P2P_GO)) {
1565                                 ret = os_snprintf(pos, end - pos,
1566                                                   "passphrase=%s\n",
1567                                                   ssid->passphrase);
1568                                 if (ret < 0 || ret >= end - pos)
1569                                         return pos - buf;
1570                                 pos += ret;
1571                         }
1572                         if (ssid->id_str) {
1573                                 ret = os_snprintf(pos, end - pos,
1574                                                   "id_str=%s\n",
1575                                                   ssid->id_str);
1576                                 if (ret < 0 || ret >= end - pos)
1577                                         return pos - buf;
1578                                 pos += ret;
1579                         }
1580
1581                         switch (ssid->mode) {
1582                         case WPAS_MODE_INFRA:
1583                                 ret = os_snprintf(pos, end - pos,
1584                                                   "mode=station\n");
1585                                 break;
1586                         case WPAS_MODE_IBSS:
1587                                 ret = os_snprintf(pos, end - pos,
1588                                                   "mode=IBSS\n");
1589                                 break;
1590                         case WPAS_MODE_AP:
1591                                 ret = os_snprintf(pos, end - pos,
1592                                                   "mode=AP\n");
1593                                 break;
1594                         case WPAS_MODE_P2P_GO:
1595                                 ret = os_snprintf(pos, end - pos,
1596                                                   "mode=P2P GO\n");
1597                                 break;
1598                         case WPAS_MODE_P2P_GROUP_FORMATION:
1599                                 ret = os_snprintf(pos, end - pos,
1600                                                   "mode=P2P GO - group "
1601                                                   "formation\n");
1602                                 break;
1603                         default:
1604                                 ret = 0;
1605                                 break;
1606                         }
1607                         if (ret < 0 || ret >= end - pos)
1608                                 return pos - buf;
1609                         pos += ret;
1610                 }
1611
1612 #ifdef CONFIG_AP
1613                 if (wpa_s->ap_iface) {
1614                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1615                                                             end - pos,
1616                                                             verbose);
1617                 } else
1618 #endif /* CONFIG_AP */
1619                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1620         }
1621 #ifdef CONFIG_SAE
1622         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1623 #ifdef CONFIG_AP
1624             !wpa_s->ap_iface &&
1625 #endif /* CONFIG_AP */
1626             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1627                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1628                                   wpa_s->sme.sae.group);
1629                 if (ret < 0 || ret >= end - pos)
1630                         return pos - buf;
1631                 pos += ret;
1632         }
1633 #endif /* CONFIG_SAE */
1634         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1635                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1636         if (ret < 0 || ret >= end - pos)
1637                 return pos - buf;
1638         pos += ret;
1639
1640         if (wpa_s->l2 &&
1641             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1642                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1643                 if (ret < 0 || ret >= end - pos)
1644                         return pos - buf;
1645                 pos += ret;
1646         }
1647
1648 #ifdef CONFIG_P2P
1649         if (wpa_s->global->p2p) {
1650                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1651                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1652                 if (ret < 0 || ret >= end - pos)
1653                         return pos - buf;
1654                 pos += ret;
1655         }
1656 #endif /* CONFIG_P2P */
1657
1658         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1659                           MAC2STR(wpa_s->own_addr));
1660         if (ret < 0 || ret >= end - pos)
1661                 return pos - buf;
1662         pos += ret;
1663
1664 #ifdef CONFIG_HS20
1665         if (wpa_s->current_bss &&
1666             (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1667                                           HS20_IE_VENDOR_TYPE)) &&
1668             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1669             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1670                 int release = 1;
1671                 if (hs20[1] >= 5) {
1672                         u8 rel_num = (hs20[6] & 0xf0) >> 4;
1673                         release = rel_num + 1;
1674                 }
1675                 ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
1676                 if (ret < 0 || ret >= end - pos)
1677                         return pos - buf;
1678                 pos += ret;
1679         }
1680
1681         if (wpa_s->current_ssid) {
1682                 struct wpa_cred *cred;
1683                 char *type;
1684
1685                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1686                         size_t i;
1687
1688                         if (wpa_s->current_ssid->parent_cred != cred)
1689                                 continue;
1690
1691                         if (cred->provisioning_sp) {
1692                                 ret = os_snprintf(pos, end - pos,
1693                                                   "provisioning_sp=%s\n",
1694                                                   cred->provisioning_sp);
1695                                 if (ret < 0 || ret >= end - pos)
1696                                         return pos - buf;
1697                                 pos += ret;
1698                         }
1699
1700                         if (!cred->domain)
1701                                 goto no_domain;
1702
1703                         i = 0;
1704                         if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
1705                                 struct wpabuf *names =
1706                                         wpa_s->current_bss->anqp->domain_name;
1707                                 for (i = 0; names && i < cred->num_domain; i++)
1708                                 {
1709                                         if (domain_name_list_contains(
1710                                                     names, cred->domain[i], 1))
1711                                                 break;
1712                                 }
1713                                 if (i == cred->num_domain)
1714                                         i = 0; /* show first entry by default */
1715                         }
1716                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1717                                           cred->domain[i]);
1718                         if (ret < 0 || ret >= end - pos)
1719                                 return pos - buf;
1720                         pos += ret;
1721
1722                 no_domain:
1723                         if (wpa_s->current_bss == NULL ||
1724                             wpa_s->current_bss->anqp == NULL)
1725                                 res = -1;
1726                         else
1727                                 res = interworking_home_sp_cred(
1728                                         wpa_s, cred,
1729                                         wpa_s->current_bss->anqp->domain_name);
1730                         if (res > 0)
1731                                 type = "home";
1732                         else if (res == 0)
1733                                 type = "roaming";
1734                         else
1735                                 type = "unknown";
1736
1737                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1738                         if (ret < 0 || ret >= end - pos)
1739                                 return pos - buf;
1740                         pos += ret;
1741
1742                         break;
1743                 }
1744         }
1745 #endif /* CONFIG_HS20 */
1746
1747         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1748             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1749                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1750                                           verbose);
1751                 if (res >= 0)
1752                         pos += res;
1753         }
1754
1755         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1756         if (res >= 0)
1757                 pos += res;
1758
1759 #ifdef CONFIG_WPS
1760         {
1761                 char uuid_str[100];
1762                 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
1763                 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
1764                 if (ret < 0 || ret >= end - pos)
1765                         return pos - buf;
1766                 pos += ret;
1767         }
1768 #endif /* CONFIG_WPS */
1769
1770 #ifdef ANDROID
1771         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
1772                      "id=%d state=%d BSSID=" MACSTR " SSID=%s",
1773                      wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
1774                      wpa_s->wpa_state,
1775                      MAC2STR(wpa_s->bssid),
1776                      wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
1777                      wpa_ssid_txt(wpa_s->current_ssid->ssid,
1778                                   wpa_s->current_ssid->ssid_len) : "");
1779         if (wpa_s->wpa_state == WPA_COMPLETED) {
1780                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1781                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
1782                              "- connection to " MACSTR
1783                              " completed %s [id=%d id_str=%s]",
1784                              MAC2STR(wpa_s->bssid), "(auth)",
1785                              ssid ? ssid->id : -1,
1786                              ssid && ssid->id_str ? ssid->id_str : "");
1787         }
1788 #endif /* ANDROID */
1789
1790         return pos - buf;
1791 }
1792
1793
1794 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1795                                            char *cmd)
1796 {
1797         char *pos;
1798         int id;
1799         struct wpa_ssid *ssid;
1800         u8 bssid[ETH_ALEN];
1801
1802         /* cmd: "<network id> <BSSID>" */
1803         pos = os_strchr(cmd, ' ');
1804         if (pos == NULL)
1805                 return -1;
1806         *pos++ = '\0';
1807         id = atoi(cmd);
1808         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1809         if (hwaddr_aton(pos, bssid)) {
1810                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1811                 return -1;
1812         }
1813
1814         ssid = wpa_config_get_network(wpa_s->conf, id);
1815         if (ssid == NULL) {
1816                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1817                            "to update", id);
1818                 return -1;
1819         }
1820
1821         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1822         ssid->bssid_set = !is_zero_ether_addr(bssid);
1823
1824         return 0;
1825 }
1826
1827
1828 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1829                                                char *cmd, char *buf,
1830                                                size_t buflen)
1831 {
1832         u8 bssid[ETH_ALEN];
1833         struct wpa_blacklist *e;
1834         char *pos, *end;
1835         int ret;
1836
1837         /* cmd: "BLACKLIST [<BSSID>]" */
1838         if (*cmd == '\0') {
1839                 pos = buf;
1840                 end = buf + buflen;
1841                 e = wpa_s->blacklist;
1842                 while (e) {
1843                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1844                                           MAC2STR(e->bssid));
1845                         if (ret < 0 || ret >= end - pos)
1846                                 return pos - buf;
1847                         pos += ret;
1848                         e = e->next;
1849                 }
1850                 return pos - buf;
1851         }
1852
1853         cmd++;
1854         if (os_strncmp(cmd, "clear", 5) == 0) {
1855                 wpa_blacklist_clear(wpa_s);
1856                 os_memcpy(buf, "OK\n", 3);
1857                 return 3;
1858         }
1859
1860         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1861         if (hwaddr_aton(cmd, bssid)) {
1862                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1863                 return -1;
1864         }
1865
1866         /*
1867          * Add the BSSID twice, so its count will be 2, causing it to be
1868          * skipped when processing scan results.
1869          */
1870         ret = wpa_blacklist_add(wpa_s, bssid);
1871         if (ret < 0)
1872                 return -1;
1873         ret = wpa_blacklist_add(wpa_s, bssid);
1874         if (ret < 0)
1875                 return -1;
1876         os_memcpy(buf, "OK\n", 3);
1877         return 3;
1878 }
1879
1880
1881 static const char * debug_level_str(int level)
1882 {
1883         switch (level) {
1884         case MSG_EXCESSIVE:
1885                 return "EXCESSIVE";
1886         case MSG_MSGDUMP:
1887                 return "MSGDUMP";
1888         case MSG_DEBUG:
1889                 return "DEBUG";
1890         case MSG_INFO:
1891                 return "INFO";
1892         case MSG_WARNING:
1893                 return "WARNING";
1894         case MSG_ERROR:
1895                 return "ERROR";
1896         default:
1897                 return "?";
1898         }
1899 }
1900
1901
1902 static int str_to_debug_level(const char *s)
1903 {
1904         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1905                 return MSG_EXCESSIVE;
1906         if (os_strcasecmp(s, "MSGDUMP") == 0)
1907                 return MSG_MSGDUMP;
1908         if (os_strcasecmp(s, "DEBUG") == 0)
1909                 return MSG_DEBUG;
1910         if (os_strcasecmp(s, "INFO") == 0)
1911                 return MSG_INFO;
1912         if (os_strcasecmp(s, "WARNING") == 0)
1913                 return MSG_WARNING;
1914         if (os_strcasecmp(s, "ERROR") == 0)
1915                 return MSG_ERROR;
1916         return -1;
1917 }
1918
1919
1920 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1921                                                char *cmd, char *buf,
1922                                                size_t buflen)
1923 {
1924         char *pos, *end, *stamp;
1925         int ret;
1926
1927         if (cmd == NULL) {
1928                 return -1;
1929         }
1930
1931         /* cmd: "LOG_LEVEL [<level>]" */
1932         if (*cmd == '\0') {
1933                 pos = buf;
1934                 end = buf + buflen;
1935                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1936                                   "Timestamp: %d\n",
1937                                   debug_level_str(wpa_debug_level),
1938                                   wpa_debug_timestamp);
1939                 if (ret < 0 || ret >= end - pos)
1940                         ret = 0;
1941
1942                 return ret;
1943         }
1944
1945         while (*cmd == ' ')
1946                 cmd++;
1947
1948         stamp = os_strchr(cmd, ' ');
1949         if (stamp) {
1950                 *stamp++ = '\0';
1951                 while (*stamp == ' ') {
1952                         stamp++;
1953                 }
1954         }
1955
1956         if (cmd && os_strlen(cmd)) {
1957                 int level = str_to_debug_level(cmd);
1958                 if (level < 0)
1959                         return -1;
1960                 wpa_debug_level = level;
1961         }
1962
1963         if (stamp && os_strlen(stamp))
1964                 wpa_debug_timestamp = atoi(stamp);
1965
1966         os_memcpy(buf, "OK\n", 3);
1967         return 3;
1968 }
1969
1970
1971 static int wpa_supplicant_ctrl_iface_list_networks(
1972         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1973 {
1974         char *pos, *end;
1975         struct wpa_ssid *ssid;
1976         int ret;
1977
1978         pos = buf;
1979         end = buf + buflen;
1980         ret = os_snprintf(pos, end - pos,
1981                           "network id / ssid / bssid / flags\n");
1982         if (ret < 0 || ret >= end - pos)
1983                 return pos - buf;
1984         pos += ret;
1985
1986         ssid = wpa_s->conf->ssid;
1987         while (ssid) {
1988                 ret = os_snprintf(pos, end - pos, "%d\t%s",
1989                                   ssid->id,
1990                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1991                 if (ret < 0 || ret >= end - pos)
1992                         return pos - buf;
1993                 pos += ret;
1994                 if (ssid->bssid_set) {
1995                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1996                                           MAC2STR(ssid->bssid));
1997                 } else {
1998                         ret = os_snprintf(pos, end - pos, "\tany");
1999                 }
2000                 if (ret < 0 || ret >= end - pos)
2001                         return pos - buf;
2002                 pos += ret;
2003                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2004                                   ssid == wpa_s->current_ssid ?
2005                                   "[CURRENT]" : "",
2006                                   ssid->disabled ? "[DISABLED]" : "",
2007                                   ssid->disabled_until.sec ?
2008                                   "[TEMP-DISABLED]" : "",
2009                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2010                                   "");
2011                 if (ret < 0 || ret >= end - pos)
2012                         return pos - buf;
2013                 pos += ret;
2014                 ret = os_snprintf(pos, end - pos, "\n");
2015                 if (ret < 0 || ret >= end - pos)
2016                         return pos - buf;
2017                 pos += ret;
2018
2019                 ssid = ssid->next;
2020         }
2021
2022         return pos - buf;
2023 }
2024
2025
2026 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2027 {
2028         int ret;
2029         ret = os_snprintf(pos, end - pos, "-");
2030         if (ret < 0 || ret >= end - pos)
2031                 return pos;
2032         pos += ret;
2033         ret = wpa_write_ciphers(pos, end, cipher, "+");
2034         if (ret < 0)
2035                 return pos;
2036         pos += ret;
2037         return pos;
2038 }
2039
2040
2041 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2042                                     const u8 *ie, size_t ie_len)
2043 {
2044         struct wpa_ie_data data;
2045         char *start;
2046         int ret;
2047
2048         ret = os_snprintf(pos, end - pos, "[%s-", proto);
2049         if (ret < 0 || ret >= end - pos)
2050                 return pos;
2051         pos += ret;
2052
2053         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2054                 ret = os_snprintf(pos, end - pos, "?]");
2055                 if (ret < 0 || ret >= end - pos)
2056                         return pos;
2057                 pos += ret;
2058                 return pos;
2059         }
2060
2061         start = pos;
2062         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2063                 ret = os_snprintf(pos, end - pos, "%sEAP",
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_PSK) {
2070                 ret = os_snprintf(pos, end - pos, "%sPSK",
2071                                   pos == start ? "" : "+");
2072                 if (ret < 0 || ret >= end - pos)
2073                         return pos;
2074                 pos += ret;
2075         }
2076         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2077                 ret = os_snprintf(pos, end - pos, "%sNone",
2078                                   pos == start ? "" : "+");
2079                 if (ret < 0 || ret >= end - pos)
2080                         return pos;
2081                 pos += ret;
2082         }
2083 #ifdef CONFIG_IEEE80211R
2084         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2085                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2086                                   pos == start ? "" : "+");
2087                 if (ret < 0 || ret >= end - pos)
2088                         return pos;
2089                 pos += ret;
2090         }
2091         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2092                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2093                                   pos == start ? "" : "+");
2094                 if (ret < 0 || ret >= end - pos)
2095                         return pos;
2096                 pos += ret;
2097         }
2098 #endif /* CONFIG_IEEE80211R */
2099 #ifdef CONFIG_IEEE80211W
2100         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2101                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2102                                   pos == start ? "" : "+");
2103                 if (ret < 0 || ret >= end - pos)
2104                         return pos;
2105                 pos += ret;
2106         }
2107         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2108                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2109                                   pos == start ? "" : "+");
2110                 if (ret < 0 || ret >= end - pos)
2111                         return pos;
2112                 pos += ret;
2113         }
2114 #endif /* CONFIG_IEEE80211W */
2115
2116         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2117
2118         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2119                 ret = os_snprintf(pos, end - pos, "-preauth");
2120                 if (ret < 0 || ret >= end - pos)
2121                         return pos;
2122                 pos += ret;
2123         }
2124
2125         ret = os_snprintf(pos, end - pos, "]");
2126         if (ret < 0 || ret >= end - pos)
2127                 return pos;
2128         pos += ret;
2129
2130         return pos;
2131 }
2132
2133
2134 #ifdef CONFIG_WPS
2135 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2136                                             char *pos, char *end,
2137                                             struct wpabuf *wps_ie)
2138 {
2139         int ret;
2140         const char *txt;
2141
2142         if (wps_ie == NULL)
2143                 return pos;
2144         if (wps_is_selected_pbc_registrar(wps_ie))
2145                 txt = "[WPS-PBC]";
2146         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2147                 txt = "[WPS-AUTH]";
2148         else if (wps_is_selected_pin_registrar(wps_ie))
2149                 txt = "[WPS-PIN]";
2150         else
2151                 txt = "[WPS]";
2152
2153         ret = os_snprintf(pos, end - pos, "%s", txt);
2154         if (ret >= 0 && ret < end - pos)
2155                 pos += ret;
2156         wpabuf_free(wps_ie);
2157         return pos;
2158 }
2159 #endif /* CONFIG_WPS */
2160
2161
2162 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2163                                         char *pos, char *end,
2164                                         const struct wpa_bss *bss)
2165 {
2166 #ifdef CONFIG_WPS
2167         struct wpabuf *wps_ie;
2168         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2169         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2170 #else /* CONFIG_WPS */
2171         return pos;
2172 #endif /* CONFIG_WPS */
2173 }
2174
2175
2176 /* Format one result on one text line into a buffer. */
2177 static int wpa_supplicant_ctrl_iface_scan_result(
2178         struct wpa_supplicant *wpa_s,
2179         const struct wpa_bss *bss, char *buf, size_t buflen)
2180 {
2181         char *pos, *end;
2182         int ret;
2183         const u8 *ie, *ie2, *p2p;
2184
2185         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2186         if (!p2p)
2187                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2188         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2189             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2190             0)
2191                 return 0; /* Do not show P2P listen discovery results here */
2192
2193         pos = buf;
2194         end = buf + buflen;
2195
2196         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2197                           MAC2STR(bss->bssid), bss->freq, bss->level);
2198         if (ret < 0 || ret >= end - pos)
2199                 return -1;
2200         pos += ret;
2201         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2202         if (ie)
2203                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2204         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2205         if (ie2)
2206                 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
2207         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2208         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2209                 ret = os_snprintf(pos, end - pos, "[WEP]");
2210                 if (ret < 0 || ret >= end - pos)
2211                         return -1;
2212                 pos += ret;
2213         }
2214         if (bss_is_dmg(bss)) {
2215                 const char *s;
2216                 ret = os_snprintf(pos, end - pos, "[DMG]");
2217                 if (ret < 0 || ret >= end - pos)
2218                         return -1;
2219                 pos += ret;
2220                 switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
2221                 case IEEE80211_CAP_DMG_IBSS:
2222                         s = "[IBSS]";
2223                         break;
2224                 case IEEE80211_CAP_DMG_AP:
2225                         s = "[ESS]";
2226                         break;
2227                 case IEEE80211_CAP_DMG_PBSS:
2228                         s = "[PBSS]";
2229                         break;
2230                 default:
2231                         s = "";
2232                         break;
2233                 }
2234                 ret = os_snprintf(pos, end - pos, "%s", s);
2235                 if (ret < 0 || ret >= end - pos)
2236                         return -1;
2237                 pos += ret;
2238         } else {
2239                 if (bss->caps & IEEE80211_CAP_IBSS) {
2240                         ret = os_snprintf(pos, end - pos, "[IBSS]");
2241                         if (ret < 0 || ret >= end - pos)
2242                                 return -1;
2243                         pos += ret;
2244                 }
2245                 if (bss->caps & IEEE80211_CAP_ESS) {
2246                         ret = os_snprintf(pos, end - pos, "[ESS]");
2247                         if (ret < 0 || ret >= end - pos)
2248                                 return -1;
2249                         pos += ret;
2250                 }
2251         }
2252         if (p2p) {
2253                 ret = os_snprintf(pos, end - pos, "[P2P]");
2254                 if (ret < 0 || ret >= end - pos)
2255                         return -1;
2256                 pos += ret;
2257         }
2258 #ifdef CONFIG_HS20
2259         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2260                 ret = os_snprintf(pos, end - pos, "[HS20]");
2261                 if (ret < 0 || ret >= end - pos)
2262                         return -1;
2263                 pos += ret;
2264         }
2265 #endif /* CONFIG_HS20 */
2266
2267         ret = os_snprintf(pos, end - pos, "\t%s",
2268                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2269         if (ret < 0 || ret >= end - pos)
2270                 return -1;
2271         pos += ret;
2272
2273         ret = os_snprintf(pos, end - pos, "\n");
2274         if (ret < 0 || ret >= end - pos)
2275                 return -1;
2276         pos += ret;
2277
2278         return pos - buf;
2279 }
2280
2281
2282 static int wpa_supplicant_ctrl_iface_scan_results(
2283         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2284 {
2285         char *pos, *end;
2286         struct wpa_bss *bss;
2287         int ret;
2288
2289         pos = buf;
2290         end = buf + buflen;
2291         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2292                           "flags / ssid\n");
2293         if (ret < 0 || ret >= end - pos)
2294                 return pos - buf;
2295         pos += ret;
2296
2297         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2298                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2299                                                             end - pos);
2300                 if (ret < 0 || ret >= end - pos)
2301                         return pos - buf;
2302                 pos += ret;
2303         }
2304
2305         return pos - buf;
2306 }
2307
2308
2309 static int wpa_supplicant_ctrl_iface_select_network(
2310         struct wpa_supplicant *wpa_s, char *cmd)
2311 {
2312         int id;
2313         struct wpa_ssid *ssid;
2314         char *pos;
2315
2316         /* cmd: "<network id>" or "any" */
2317         if (os_strncmp(cmd, "any", 3) == 0) {
2318                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2319                 ssid = NULL;
2320         } else {
2321                 id = atoi(cmd);
2322                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2323
2324                 ssid = wpa_config_get_network(wpa_s->conf, id);
2325                 if (ssid == NULL) {
2326                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2327                                    "network id=%d", id);
2328                         return -1;
2329                 }
2330                 if (ssid->disabled == 2) {
2331                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2332                                    "SELECT_NETWORK with persistent P2P group");
2333                         return -1;
2334                 }
2335         }
2336
2337         pos = os_strstr(cmd, " freq=");
2338         if (pos) {
2339                 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2340                 if (freqs) {
2341                         wpa_s->scan_req = MANUAL_SCAN_REQ;
2342                         os_free(wpa_s->manual_scan_freqs);
2343                         wpa_s->manual_scan_freqs = freqs;
2344                 }
2345         }
2346
2347         wpa_supplicant_select_network(wpa_s, ssid);
2348
2349         return 0;
2350 }
2351
2352
2353 static int wpa_supplicant_ctrl_iface_enable_network(
2354         struct wpa_supplicant *wpa_s, char *cmd)
2355 {
2356         int id;
2357         struct wpa_ssid *ssid;
2358
2359         /* cmd: "<network id>" or "all" */
2360         if (os_strcmp(cmd, "all") == 0) {
2361                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2362                 ssid = NULL;
2363         } else {
2364                 id = atoi(cmd);
2365                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2366
2367                 ssid = wpa_config_get_network(wpa_s->conf, id);
2368                 if (ssid == NULL) {
2369                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2370                                    "network id=%d", id);
2371                         return -1;
2372                 }
2373                 if (ssid->disabled == 2) {
2374                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2375                                    "ENABLE_NETWORK with persistent P2P group");
2376                         return -1;
2377                 }
2378
2379                 if (os_strstr(cmd, " no-connect")) {
2380                         ssid->disabled = 0;
2381                         return 0;
2382                 }
2383         }
2384         wpa_supplicant_enable_network(wpa_s, ssid);
2385
2386         return 0;
2387 }
2388
2389
2390 static int wpa_supplicant_ctrl_iface_disable_network(
2391         struct wpa_supplicant *wpa_s, char *cmd)
2392 {
2393         int id;
2394         struct wpa_ssid *ssid;
2395
2396         /* cmd: "<network id>" or "all" */
2397         if (os_strcmp(cmd, "all") == 0) {
2398                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2399                 ssid = NULL;
2400         } else {
2401                 id = atoi(cmd);
2402                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2403
2404                 ssid = wpa_config_get_network(wpa_s->conf, id);
2405                 if (ssid == NULL) {
2406                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2407                                    "network id=%d", id);
2408                         return -1;
2409                 }
2410                 if (ssid->disabled == 2) {
2411                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2412                                    "DISABLE_NETWORK with persistent P2P "
2413                                    "group");
2414                         return -1;
2415                 }
2416         }
2417         wpa_supplicant_disable_network(wpa_s, ssid);
2418
2419         return 0;
2420 }
2421
2422
2423 static int wpa_supplicant_ctrl_iface_add_network(
2424         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2425 {
2426         struct wpa_ssid *ssid;
2427         int ret;
2428
2429         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2430
2431         ssid = wpa_config_add_network(wpa_s->conf);
2432         if (ssid == NULL)
2433                 return -1;
2434
2435         wpas_notify_network_added(wpa_s, ssid);
2436
2437         ssid->disabled = 1;
2438         wpa_config_set_network_defaults(ssid);
2439
2440         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2441         if (ret < 0 || (size_t) ret >= buflen)
2442                 return -1;
2443         return ret;
2444 }
2445
2446
2447 static int wpa_supplicant_ctrl_iface_remove_network(
2448         struct wpa_supplicant *wpa_s, char *cmd)
2449 {
2450         int id;
2451         struct wpa_ssid *ssid;
2452         int was_disabled;
2453
2454         /* cmd: "<network id>" or "all" */
2455         if (os_strcmp(cmd, "all") == 0) {
2456                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2457                 if (wpa_s->sched_scanning)
2458                         wpa_supplicant_cancel_sched_scan(wpa_s);
2459
2460                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2461                 if (wpa_s->current_ssid) {
2462 #ifdef CONFIG_SME
2463                         wpa_s->sme.prev_bssid_set = 0;
2464 #endif /* CONFIG_SME */
2465                         wpa_sm_set_config(wpa_s->wpa, NULL);
2466                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2467                         wpa_supplicant_deauthenticate(
2468                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2469                 }
2470                 ssid = wpa_s->conf->ssid;
2471                 while (ssid) {
2472                         struct wpa_ssid *remove_ssid = ssid;
2473                         id = ssid->id;
2474                         ssid = ssid->next;
2475                         wpas_notify_network_removed(wpa_s, remove_ssid);
2476                         wpa_config_remove_network(wpa_s->conf, id);
2477                 }
2478                 return 0;
2479         }
2480
2481         id = atoi(cmd);
2482         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2483
2484         ssid = wpa_config_get_network(wpa_s->conf, id);
2485         if (ssid)
2486                 wpas_notify_network_removed(wpa_s, ssid);
2487         if (ssid == NULL) {
2488                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2489                            "id=%d", id);
2490                 return -1;
2491         }
2492
2493         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2494 #ifdef CONFIG_SME
2495                 wpa_s->sme.prev_bssid_set = 0;
2496 #endif /* CONFIG_SME */
2497                 /*
2498                  * Invalidate the EAP session cache if the current or
2499                  * previously used network is removed.
2500                  */
2501                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2502         }
2503
2504         if (ssid == wpa_s->current_ssid) {
2505                 wpa_sm_set_config(wpa_s->wpa, NULL);
2506                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2507
2508                 wpa_supplicant_deauthenticate(wpa_s,
2509                                               WLAN_REASON_DEAUTH_LEAVING);
2510         }
2511
2512         was_disabled = ssid->disabled;
2513
2514         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2515                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2516                            "network id=%d", id);
2517                 return -1;
2518         }
2519
2520         if (!was_disabled && wpa_s->sched_scanning) {
2521                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2522                            "network from filters");
2523                 wpa_supplicant_cancel_sched_scan(wpa_s);
2524                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2525         }
2526
2527         return 0;
2528 }
2529
2530
2531 static int wpa_supplicant_ctrl_iface_update_network(
2532         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
2533         char *name, char *value)
2534 {
2535         if (wpa_config_set(ssid, name, value, 0) < 0) {
2536                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2537                            "variable '%s'", name);
2538                 return -1;
2539         }
2540
2541         if (os_strcmp(name, "bssid") != 0 &&
2542             os_strcmp(name, "priority") != 0)
2543                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2544
2545         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2546                 /*
2547                  * Invalidate the EAP session cache if anything in the current
2548                  * or previously used configuration changes.
2549                  */
2550                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2551         }
2552
2553         if ((os_strcmp(name, "psk") == 0 &&
2554              value[0] == '"' && ssid->ssid_len) ||
2555             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2556                 wpa_config_update_psk(ssid);
2557         else if (os_strcmp(name, "priority") == 0)
2558                 wpa_config_update_prio_list(wpa_s->conf);
2559
2560         return 0;
2561 }
2562
2563
2564 static int wpa_supplicant_ctrl_iface_set_network(
2565         struct wpa_supplicant *wpa_s, char *cmd)
2566 {
2567         int id;
2568         struct wpa_ssid *ssid;
2569         char *name, *value;
2570
2571         /* cmd: "<network id> <variable name> <value>" */
2572         name = os_strchr(cmd, ' ');
2573         if (name == NULL)
2574                 return -1;
2575         *name++ = '\0';
2576
2577         value = os_strchr(name, ' ');
2578         if (value == NULL)
2579                 return -1;
2580         *value++ = '\0';
2581
2582         id = atoi(cmd);
2583         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2584                    id, name);
2585         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2586                               (u8 *) value, os_strlen(value));
2587
2588         ssid = wpa_config_get_network(wpa_s->conf, id);
2589         if (ssid == NULL) {
2590                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2591                            "id=%d", id);
2592                 return -1;
2593         }
2594
2595         return wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
2596                                                         value);
2597 }
2598
2599
2600 static int wpa_supplicant_ctrl_iface_get_network(
2601         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2602 {
2603         int id;
2604         size_t res;
2605         struct wpa_ssid *ssid;
2606         char *name, *value;
2607
2608         /* cmd: "<network id> <variable name>" */
2609         name = os_strchr(cmd, ' ');
2610         if (name == NULL || buflen == 0)
2611                 return -1;
2612         *name++ = '\0';
2613
2614         id = atoi(cmd);
2615         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2616                    id, name);
2617
2618         ssid = wpa_config_get_network(wpa_s->conf, id);
2619         if (ssid == NULL) {
2620                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2621                            "id=%d", id);
2622                 return -1;
2623         }
2624
2625         value = wpa_config_get_no_key(ssid, name);
2626         if (value == NULL) {
2627                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2628                            "variable '%s'", name);
2629                 return -1;
2630         }
2631
2632         res = os_strlcpy(buf, value, buflen);
2633         if (res >= buflen) {
2634                 os_free(value);
2635                 return -1;
2636         }
2637
2638         os_free(value);
2639
2640         return res;
2641 }
2642
2643
2644 static int wpa_supplicant_ctrl_iface_dup_network(
2645         struct wpa_supplicant *wpa_s, char *cmd)
2646 {
2647         struct wpa_ssid *ssid_s, *ssid_d;
2648         char *name, *id, *value;
2649         int id_s, id_d, ret;
2650
2651         /* cmd: "<src network id> <dst network id> <variable name>" */
2652         id = os_strchr(cmd, ' ');
2653         if (id == NULL)
2654                 return -1;
2655         *id++ = '\0';
2656
2657         name = os_strchr(id, ' ');
2658         if (name == NULL)
2659                 return -1;
2660         *name++ = '\0';
2661
2662         id_s = atoi(cmd);
2663         id_d = atoi(id);
2664         wpa_printf(MSG_DEBUG, "CTRL_IFACE: DUP_NETWORK id=%d -> %d name='%s'",
2665                    id_s, id_d, name);
2666
2667         ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
2668         if (ssid_s == NULL) {
2669                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2670                            "network id=%d", id_s);
2671                 return -1;
2672         }
2673
2674         ssid_d = wpa_config_get_network(wpa_s->conf, id_d);
2675         if (ssid_d == NULL) {
2676                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2677                            "network id=%d", id_s);
2678                 return -1;
2679         }
2680
2681         value = wpa_config_get(ssid_s, name);
2682         if (value == NULL) {
2683                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2684                            "variable '%s'", name);
2685                 return -1;
2686         }
2687
2688         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid_d, name,
2689                                                        value);
2690
2691         os_free(value);
2692
2693         return ret;
2694 }
2695
2696
2697 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2698                                                 char *buf, size_t buflen)
2699 {
2700         char *pos, *end;
2701         struct wpa_cred *cred;
2702         int ret;
2703
2704         pos = buf;
2705         end = buf + buflen;
2706         ret = os_snprintf(pos, end - pos,
2707                           "cred id / realm / username / domain / imsi\n");
2708         if (ret < 0 || ret >= end - pos)
2709                 return pos - buf;
2710         pos += ret;
2711
2712         cred = wpa_s->conf->cred;
2713         while (cred) {
2714                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2715                                   cred->id, cred->realm ? cred->realm : "",
2716                                   cred->username ? cred->username : "",
2717                                   cred->domain ? cred->domain[0] : "",
2718                                   cred->imsi ? cred->imsi : "");
2719                 if (ret < 0 || ret >= end - pos)
2720                         return pos - buf;
2721                 pos += ret;
2722
2723                 cred = cred->next;
2724         }
2725
2726         return pos - buf;
2727 }
2728
2729
2730 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2731                                               char *buf, size_t buflen)
2732 {
2733         struct wpa_cred *cred;
2734         int ret;
2735
2736         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2737
2738         cred = wpa_config_add_cred(wpa_s->conf);
2739         if (cred == NULL)
2740                 return -1;
2741
2742         wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
2743
2744         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2745         if (ret < 0 || (size_t) ret >= buflen)
2746                 return -1;
2747         return ret;
2748 }
2749
2750
2751 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2752                                  struct wpa_cred *cred)
2753 {
2754         struct wpa_ssid *ssid;
2755         char str[20];
2756         int id;
2757
2758         if (cred == NULL) {
2759                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2760                 return -1;
2761         }
2762
2763         id = cred->id;
2764         if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
2765                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2766                 return -1;
2767         }
2768
2769         wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
2770
2771         /* Remove any network entry created based on the removed credential */
2772         ssid = wpa_s->conf->ssid;
2773         while (ssid) {
2774                 if (ssid->parent_cred == cred) {
2775                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2776                                    "used the removed credential", ssid->id);
2777                         os_snprintf(str, sizeof(str), "%d", ssid->id);
2778                         ssid = ssid->next;
2779                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2780                 } else
2781                         ssid = ssid->next;
2782         }
2783
2784         return 0;
2785 }
2786
2787
2788 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2789                                                  char *cmd)
2790 {
2791         int id;
2792         struct wpa_cred *cred, *prev;
2793
2794         /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
2795          * "provisioning_sp=<FQDN> */
2796         if (os_strcmp(cmd, "all") == 0) {
2797                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2798                 cred = wpa_s->conf->cred;
2799                 while (cred) {
2800                         prev = cred;
2801                         cred = cred->next;
2802                         wpas_ctrl_remove_cred(wpa_s, prev);
2803                 }
2804                 return 0;
2805         }
2806
2807         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2808                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2809                            cmd + 8);
2810                 cred = wpa_s->conf->cred;
2811                 while (cred) {
2812                         prev = cred;
2813                         cred = cred->next;
2814                         if (prev->domain) {
2815                                 size_t i;
2816                                 for (i = 0; i < prev->num_domain; i++) {
2817                                         if (os_strcmp(prev->domain[i], cmd + 8)
2818                                             != 0)
2819                                                 continue;
2820                                         wpas_ctrl_remove_cred(wpa_s, prev);
2821                                         break;
2822                                 }
2823                         }
2824                 }
2825                 return 0;
2826         }
2827
2828         if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
2829                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
2830                            cmd + 16);
2831                 cred = wpa_s->conf->cred;
2832                 while (cred) {
2833                         prev = cred;
2834                         cred = cred->next;
2835                         if (prev->provisioning_sp &&
2836                             os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
2837                                 wpas_ctrl_remove_cred(wpa_s, prev);
2838                 }
2839                 return 0;
2840         }
2841
2842         id = atoi(cmd);
2843         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2844
2845         cred = wpa_config_get_cred(wpa_s->conf, id);
2846         return wpas_ctrl_remove_cred(wpa_s, cred);
2847 }
2848
2849
2850 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2851                                               char *cmd)
2852 {
2853         int id;
2854         struct wpa_cred *cred;
2855         char *name, *value;
2856
2857         /* cmd: "<cred id> <variable name> <value>" */
2858         name = os_strchr(cmd, ' ');
2859         if (name == NULL)
2860                 return -1;
2861         *name++ = '\0';
2862
2863         value = os_strchr(name, ' ');
2864         if (value == NULL)
2865                 return -1;
2866         *value++ = '\0';
2867
2868         id = atoi(cmd);
2869         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2870                    id, name);
2871         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2872                               (u8 *) value, os_strlen(value));
2873
2874         cred = wpa_config_get_cred(wpa_s->conf, id);
2875         if (cred == NULL) {
2876                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2877                            id);
2878                 return -1;
2879         }
2880
2881         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2882                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2883                            "variable '%s'", name);
2884                 return -1;
2885         }
2886
2887         wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
2888
2889         return 0;
2890 }
2891
2892
2893 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
2894                                               char *cmd, char *buf,
2895                                               size_t buflen)
2896 {
2897         int id;
2898         size_t res;
2899         struct wpa_cred *cred;
2900         char *name, *value;
2901
2902         /* cmd: "<cred id> <variable name>" */
2903         name = os_strchr(cmd, ' ');
2904         if (name == NULL)
2905                 return -1;
2906         *name++ = '\0';
2907
2908         id = atoi(cmd);
2909         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
2910                    id, name);
2911
2912         cred = wpa_config_get_cred(wpa_s->conf, id);
2913         if (cred == NULL) {
2914                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2915                            id);
2916                 return -1;
2917         }
2918
2919         value = wpa_config_get_cred_no_key(cred, name);
2920         if (value == NULL) {
2921                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
2922                            name);
2923                 return -1;
2924         }
2925
2926         res = os_strlcpy(buf, value, buflen);
2927         if (res >= buflen) {
2928                 os_free(value);
2929                 return -1;
2930         }
2931
2932         os_free(value);
2933
2934         return res;
2935 }
2936
2937
2938 #ifndef CONFIG_NO_CONFIG_WRITE
2939 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2940 {
2941         int ret;
2942
2943         if (!wpa_s->conf->update_config) {
2944                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2945                            "to update configuration (update_config=0)");
2946                 return -1;
2947         }
2948
2949         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2950         if (ret) {
2951                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2952                            "update configuration");
2953         } else {
2954                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2955                            " updated");
2956         }
2957
2958         return ret;
2959 }
2960 #endif /* CONFIG_NO_CONFIG_WRITE */
2961
2962
2963 struct cipher_info {
2964         unsigned int capa;
2965         const char *name;
2966         int group_only;
2967 };
2968
2969 static const struct cipher_info ciphers[] = {
2970         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
2971         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
2972         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
2973         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
2974         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
2975         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
2976         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
2977         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
2978 };
2979
2980
2981 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2982                                               struct wpa_driver_capa *capa,
2983                                               char *buf, size_t buflen)
2984 {
2985         int ret;
2986         char *pos, *end;
2987         size_t len;
2988         unsigned int i;
2989
2990         pos = buf;
2991         end = pos + buflen;
2992
2993         if (res < 0) {
2994                 if (strict)
2995                         return 0;
2996                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2997                 if (len >= buflen)
2998                         return -1;
2999                 return len;
3000         }
3001
3002         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3003                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3004                         ret = os_snprintf(pos, end - pos, "%s%s",
3005                                           pos == buf ? "" : " ",
3006                                           ciphers[i].name);
3007                         if (ret < 0 || ret >= end - pos)
3008                                 return pos - buf;
3009                         pos += ret;
3010                 }
3011         }
3012
3013         return pos - buf;
3014 }
3015
3016
3017 static int ctrl_iface_get_capability_group(int res, char *strict,
3018                                            struct wpa_driver_capa *capa,
3019                                            char *buf, size_t buflen)
3020 {
3021         int ret;
3022         char *pos, *end;
3023         size_t len;
3024         unsigned int i;
3025
3026         pos = buf;
3027         end = pos + buflen;
3028
3029         if (res < 0) {
3030                 if (strict)
3031                         return 0;
3032                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3033                 if (len >= buflen)
3034                         return -1;
3035                 return len;
3036         }
3037
3038         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3039                 if (capa->enc & ciphers[i].capa) {
3040                         ret = os_snprintf(pos, end - pos, "%s%s",
3041                                           pos == buf ? "" : " ",
3042                                           ciphers[i].name);
3043                         if (ret < 0 || ret >= end - pos)
3044                                 return pos - buf;
3045                         pos += ret;
3046                 }
3047         }
3048
3049         return pos - buf;
3050 }
3051
3052
3053 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3054                                               struct wpa_driver_capa *capa,
3055                                               char *buf, size_t buflen)
3056 {
3057         int ret;
3058         char *pos, *end;
3059         size_t len;
3060
3061         pos = buf;
3062         end = pos + buflen;
3063
3064         if (res < 0) {
3065                 if (strict)
3066                         return 0;
3067                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3068                                  "NONE", buflen);
3069                 if (len >= buflen)
3070                         return -1;
3071                 return len;
3072         }
3073
3074         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3075         if (ret < 0 || ret >= end - pos)
3076                 return pos - buf;
3077         pos += ret;
3078
3079         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3080                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3081                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3082                 if (ret < 0 || ret >= end - pos)
3083                         return pos - buf;
3084                 pos += ret;
3085         }
3086
3087         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3088                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3089                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3090                 if (ret < 0 || ret >= end - pos)
3091                         return pos - buf;
3092                 pos += ret;
3093         }
3094
3095         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3096                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3097                 if (ret < 0 || ret >= end - pos)
3098                         return pos - buf;
3099                 pos += ret;
3100         }
3101
3102         return pos - buf;
3103 }
3104
3105
3106 static int ctrl_iface_get_capability_proto(int res, char *strict,
3107                                            struct wpa_driver_capa *capa,
3108                                            char *buf, size_t buflen)
3109 {
3110         int ret;
3111         char *pos, *end;
3112         size_t len;
3113
3114         pos = buf;
3115         end = pos + buflen;
3116
3117         if (res < 0) {
3118                 if (strict)
3119                         return 0;
3120                 len = os_strlcpy(buf, "RSN WPA", buflen);
3121                 if (len >= buflen)
3122                         return -1;
3123                 return len;
3124         }
3125
3126         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3127                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3128                 ret = os_snprintf(pos, end - pos, "%sRSN",
3129                                   pos == buf ? "" : " ");
3130                 if (ret < 0 || ret >= end - pos)
3131                         return pos - buf;
3132                 pos += ret;
3133         }
3134
3135         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3136                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3137                 ret = os_snprintf(pos, end - pos, "%sWPA",
3138                                   pos == buf ? "" : " ");
3139                 if (ret < 0 || ret >= end - pos)
3140                         return pos - buf;
3141                 pos += ret;
3142         }
3143
3144         return pos - buf;
3145 }
3146
3147
3148 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
3149                                               struct wpa_driver_capa *capa,
3150                                               char *buf, size_t buflen)
3151 {
3152         int ret;
3153         char *pos, *end;
3154         size_t len;
3155
3156         pos = buf;
3157         end = pos + buflen;
3158
3159         if (res < 0) {
3160                 if (strict)
3161                         return 0;
3162                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3163                 if (len >= buflen)
3164                         return -1;
3165                 return len;
3166         }
3167
3168         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3169                 ret = os_snprintf(pos, end - pos, "%sOPEN",
3170                                   pos == buf ? "" : " ");
3171                 if (ret < 0 || ret >= end - pos)
3172                         return pos - buf;
3173                 pos += ret;
3174         }
3175
3176         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3177                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3178                                   pos == buf ? "" : " ");
3179                 if (ret < 0 || ret >= end - pos)
3180                         return pos - buf;
3181                 pos += ret;
3182         }
3183
3184         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3185                 ret = os_snprintf(pos, end - pos, "%sLEAP",
3186                                   pos == buf ? "" : " ");
3187                 if (ret < 0 || ret >= end - pos)
3188                         return pos - buf;
3189                 pos += ret;
3190         }
3191
3192         return pos - buf;
3193 }
3194
3195
3196 static int ctrl_iface_get_capability_modes(int res, char *strict,
3197                                            struct wpa_driver_capa *capa,
3198                                            char *buf, size_t buflen)
3199 {
3200         int ret;
3201         char *pos, *end;
3202         size_t len;
3203
3204         pos = buf;
3205         end = pos + buflen;
3206
3207         if (res < 0) {
3208                 if (strict)
3209                         return 0;
3210                 len = os_strlcpy(buf, "IBSS AP", buflen);
3211                 if (len >= buflen)
3212                         return -1;
3213                 return len;
3214         }
3215
3216         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3217                 ret = os_snprintf(pos, end - pos, "%sIBSS",
3218                                   pos == buf ? "" : " ");
3219                 if (ret < 0 || ret >= end - pos)
3220                         return pos - buf;
3221                 pos += ret;
3222         }
3223
3224         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3225                 ret = os_snprintf(pos, end - pos, "%sAP",
3226                                   pos == buf ? "" : " ");
3227                 if (ret < 0 || ret >= end - pos)
3228                         return pos - buf;
3229                 pos += ret;
3230         }
3231
3232         return pos - buf;
3233 }
3234
3235
3236 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3237                                               char *buf, size_t buflen)
3238 {
3239         struct hostapd_channel_data *chnl;
3240         int ret, i, j;
3241         char *pos, *end, *hmode;
3242
3243         pos = buf;
3244         end = pos + buflen;
3245
3246         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3247                 switch (wpa_s->hw.modes[j].mode) {
3248                 case HOSTAPD_MODE_IEEE80211B:
3249                         hmode = "B";
3250                         break;
3251                 case HOSTAPD_MODE_IEEE80211G:
3252                         hmode = "G";
3253                         break;
3254                 case HOSTAPD_MODE_IEEE80211A:
3255                         hmode = "A";
3256                         break;
3257                 case HOSTAPD_MODE_IEEE80211AD:
3258                         hmode = "AD";
3259                         break;
3260                 default:
3261                         continue;
3262                 }
3263                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3264                 if (ret < 0 || ret >= end - pos)
3265                         return pos - buf;
3266                 pos += ret;
3267                 chnl = wpa_s->hw.modes[j].channels;
3268                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3269                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3270                                 continue;
3271                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3272                         if (ret < 0 || ret >= end - pos)
3273                                 return pos - buf;
3274                         pos += ret;
3275                 }
3276                 ret = os_snprintf(pos, end - pos, "\n");
3277                 if (ret < 0 || ret >= end - pos)
3278                         return pos - buf;
3279                 pos += ret;
3280         }
3281
3282         return pos - buf;
3283 }
3284
3285
3286 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3287                                           char *buf, size_t buflen)
3288 {
3289         struct hostapd_channel_data *chnl;
3290         int ret, i, j;
3291         char *pos, *end, *hmode;
3292
3293         pos = buf;
3294         end = pos + buflen;
3295
3296         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3297                 switch (wpa_s->hw.modes[j].mode) {
3298                 case HOSTAPD_MODE_IEEE80211B:
3299                         hmode = "B";
3300                         break;
3301                 case HOSTAPD_MODE_IEEE80211G:
3302                         hmode = "G";
3303                         break;
3304                 case HOSTAPD_MODE_IEEE80211A:
3305                         hmode = "A";
3306                         break;
3307                 case HOSTAPD_MODE_IEEE80211AD:
3308                         hmode = "AD";
3309                         break;
3310                 default:
3311                         continue;
3312                 }
3313                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3314                                   hmode);
3315                 if (ret < 0 || ret >= end - pos)
3316                         return pos - buf;
3317                 pos += ret;
3318                 chnl = wpa_s->hw.modes[j].channels;
3319                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3320                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3321                                 continue;
3322                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3323                                           chnl[i].chan, chnl[i].freq,
3324                                           chnl[i].flag & HOSTAPD_CHAN_NO_IBSS ?
3325                                           " (NO_IBSS)" : "",
3326                                           chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3327                                           " (DFS)" : "");
3328
3329                         if (ret < 0 || ret >= end - pos)
3330                                 return pos - buf;
3331                         pos += ret;
3332                 }
3333                 ret = os_snprintf(pos, end - pos, "\n");
3334                 if (ret < 0 || ret >= end - pos)
3335                         return pos - buf;
3336                 pos += ret;
3337         }
3338
3339         return pos - buf;
3340 }
3341
3342
3343 static int wpa_supplicant_ctrl_iface_get_capability(
3344         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3345         size_t buflen)
3346 {
3347         struct wpa_driver_capa capa;
3348         int res;
3349         char *strict;
3350         char field[30];
3351         size_t len;
3352
3353         /* Determine whether or not strict checking was requested */
3354         len = os_strlcpy(field, _field, sizeof(field));
3355         if (len >= sizeof(field))
3356                 return -1;
3357         strict = os_strchr(field, ' ');
3358         if (strict != NULL) {
3359                 *strict++ = '\0';
3360                 if (os_strcmp(strict, "strict") != 0)
3361                         return -1;
3362         }
3363
3364         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3365                 field, strict ? strict : "");
3366
3367         if (os_strcmp(field, "eap") == 0) {
3368                 return eap_get_names(buf, buflen);
3369         }
3370
3371         res = wpa_drv_get_capa(wpa_s, &capa);
3372
3373         if (os_strcmp(field, "pairwise") == 0)
3374                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3375                                                           buf, buflen);
3376
3377         if (os_strcmp(field, "group") == 0)
3378                 return ctrl_iface_get_capability_group(res, strict, &capa,
3379                                                        buf, buflen);
3380
3381         if (os_strcmp(field, "key_mgmt") == 0)
3382                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3383                                                           buf, buflen);
3384
3385         if (os_strcmp(field, "proto") == 0)
3386                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3387                                                        buf, buflen);
3388
3389         if (os_strcmp(field, "auth_alg") == 0)
3390                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
3391                                                           buf, buflen);
3392
3393         if (os_strcmp(field, "modes") == 0)
3394                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3395                                                        buf, buflen);
3396
3397         if (os_strcmp(field, "channels") == 0)
3398                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3399
3400         if (os_strcmp(field, "freq") == 0)
3401                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3402
3403 #ifdef CONFIG_TDLS
3404         if (os_strcmp(field, "tdls") == 0)
3405                 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3406 #endif /* CONFIG_TDLS */
3407
3408         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3409                    field);
3410
3411         return -1;
3412 }
3413
3414
3415 #ifdef CONFIG_INTERWORKING
3416 static char * anqp_add_hex(char *pos, char *end, const char *title,
3417                            struct wpabuf *data)
3418 {
3419         char *start = pos;
3420         size_t i;
3421         int ret;
3422         const u8 *d;
3423
3424         if (data == NULL)
3425                 return start;
3426
3427         ret = os_snprintf(pos, end - pos, "%s=", title);
3428         if (ret < 0 || ret >= end - pos)
3429                 return start;
3430         pos += ret;
3431
3432         d = wpabuf_head_u8(data);
3433         for (i = 0; i < wpabuf_len(data); i++) {
3434                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3435                 if (ret < 0 || ret >= end - pos)
3436                         return start;
3437                 pos += ret;
3438         }
3439
3440         ret = os_snprintf(pos, end - pos, "\n");
3441         if (ret < 0 || ret >= end - pos)
3442                 return start;
3443         pos += ret;
3444
3445         return pos;
3446 }
3447 #endif /* CONFIG_INTERWORKING */
3448
3449
3450 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3451                           unsigned long mask, char *buf, size_t buflen)
3452 {
3453         size_t i;
3454         int ret;
3455         char *pos, *end;
3456         const u8 *ie, *ie2;
3457
3458         pos = buf;
3459         end = buf + buflen;
3460
3461         if (mask & WPA_BSS_MASK_ID) {
3462                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3463                 if (ret < 0 || ret >= end - pos)
3464                         return 0;
3465                 pos += ret;
3466         }
3467
3468         if (mask & WPA_BSS_MASK_BSSID) {
3469                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3470                                   MAC2STR(bss->bssid));
3471                 if (ret < 0 || ret >= end - pos)
3472                         return 0;
3473                 pos += ret;
3474         }
3475
3476         if (mask & WPA_BSS_MASK_FREQ) {
3477                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3478                 if (ret < 0 || ret >= end - pos)
3479                         return 0;
3480                 pos += ret;
3481         }
3482
3483         if (mask & WPA_BSS_MASK_BEACON_INT) {
3484                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3485                                   bss->beacon_int);
3486                 if (ret < 0 || ret >= end - pos)
3487                         return 0;
3488                 pos += ret;
3489         }
3490
3491         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3492                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3493                                   bss->caps);
3494                 if (ret < 0 || ret >= end - pos)
3495                         return 0;
3496                 pos += ret;
3497         }
3498
3499         if (mask & WPA_BSS_MASK_QUAL) {
3500                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3501                 if (ret < 0 || ret >= end - pos)
3502                         return 0;
3503                 pos += ret;
3504         }
3505
3506         if (mask & WPA_BSS_MASK_NOISE) {
3507                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3508                 if (ret < 0 || ret >= end - pos)
3509                         return 0;
3510                 pos += ret;
3511         }
3512
3513         if (mask & WPA_BSS_MASK_LEVEL) {
3514                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3515                 if (ret < 0 || ret >= end - pos)
3516                         return 0;
3517                 pos += ret;
3518         }
3519
3520         if (mask & WPA_BSS_MASK_TSF) {
3521                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3522                                   (unsigned long long) bss->tsf);
3523                 if (ret < 0 || ret >= end - pos)
3524                         return 0;
3525                 pos += ret;
3526         }
3527
3528         if (mask & WPA_BSS_MASK_AGE) {
3529                 struct os_reltime now;
3530
3531                 os_get_reltime(&now);
3532                 ret = os_snprintf(pos, end - pos, "age=%d\n",
3533                                   (int) (now.sec - bss->last_update.sec));
3534                 if (ret < 0 || ret >= end - pos)
3535                         return 0;
3536                 pos += ret;
3537         }
3538
3539         if (mask & WPA_BSS_MASK_IE) {
3540                 ret = os_snprintf(pos, end - pos, "ie=");
3541                 if (ret < 0 || ret >= end - pos)
3542                         return 0;
3543                 pos += ret;
3544
3545                 ie = (const u8 *) (bss + 1);
3546                 for (i = 0; i < bss->ie_len; i++) {
3547                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3548                         if (ret < 0 || ret >= end - pos)
3549                                 return 0;
3550                         pos += ret;
3551                 }
3552
3553                 ret = os_snprintf(pos, end - pos, "\n");
3554                 if (ret < 0 || ret >= end - pos)
3555                         return 0;
3556                 pos += ret;
3557         }
3558
3559         if (mask & WPA_BSS_MASK_FLAGS) {
3560                 ret = os_snprintf(pos, end - pos, "flags=");
3561                 if (ret < 0 || ret >= end - pos)
3562                         return 0;
3563                 pos += ret;
3564
3565                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3566                 if (ie)
3567                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3568                                                     2 + ie[1]);
3569                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3570                 if (ie2)
3571                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3572                                                     2 + ie2[1]);
3573                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3574                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3575                         ret = os_snprintf(pos, end - pos, "[WEP]");
3576                         if (ret < 0 || ret >= end - pos)
3577                                 return 0;
3578                         pos += ret;
3579                 }
3580                 if (bss_is_dmg(bss)) {
3581                         const char *s;
3582                         ret = os_snprintf(pos, end - pos, "[DMG]");
3583                         if (ret < 0 || ret >= end - pos)
3584                                 return 0;
3585                         pos += ret;
3586                         switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
3587                         case IEEE80211_CAP_DMG_IBSS:
3588                                 s = "[IBSS]";
3589                                 break;
3590                         case IEEE80211_CAP_DMG_AP:
3591                                 s = "[ESS]";
3592                                 break;
3593                         case IEEE80211_CAP_DMG_PBSS:
3594                                 s = "[PBSS]";
3595                                 break;
3596                         default:
3597                                 s = "";
3598                                 break;
3599                         }
3600                         ret = os_snprintf(pos, end - pos, "%s", s);
3601                         if (ret < 0 || ret >= end - pos)
3602                                 return 0;
3603                         pos += ret;
3604                 } else {
3605                         if (bss->caps & IEEE80211_CAP_IBSS) {
3606                                 ret = os_snprintf(pos, end - pos, "[IBSS]");
3607                                 if (ret < 0 || ret >= end - pos)
3608                                         return 0;
3609                                 pos += ret;
3610                         }
3611                         if (bss->caps & IEEE80211_CAP_ESS) {
3612                                 ret = os_snprintf(pos, end - pos, "[ESS]");
3613                                 if (ret < 0 || ret >= end - pos)
3614                                         return 0;
3615                                 pos += ret;
3616                         }
3617                 }
3618                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
3619                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
3620                         ret = os_snprintf(pos, end - pos, "[P2P]");
3621                         if (ret < 0 || ret >= end - pos)
3622                                 return 0;
3623                         pos += ret;
3624                 }
3625 #ifdef CONFIG_HS20
3626                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3627                         ret = os_snprintf(pos, end - pos, "[HS20]");
3628                         if (ret < 0 || ret >= end - pos)
3629                                 return 0;
3630                         pos += ret;
3631                 }
3632 #endif /* CONFIG_HS20 */
3633
3634                 ret = os_snprintf(pos, end - pos, "\n");
3635                 if (ret < 0 || ret >= end - pos)
3636                         return 0;
3637                 pos += ret;
3638         }
3639
3640         if (mask & WPA_BSS_MASK_SSID) {
3641                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3642                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3643                 if (ret < 0 || ret >= end - pos)
3644                         return 0;
3645                 pos += ret;
3646         }
3647
3648 #ifdef CONFIG_WPS
3649         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3650                 ie = (const u8 *) (bss + 1);
3651                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3652                 if (ret < 0 || ret >= end - pos)
3653                         return 0;
3654                 pos += ret;
3655         }
3656 #endif /* CONFIG_WPS */
3657
3658 #ifdef CONFIG_P2P
3659         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3660                 ie = (const u8 *) (bss + 1);
3661                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3662                 if (ret < 0 || ret >= end - pos)
3663                         return 0;
3664                 pos += ret;
3665         }
3666 #endif /* CONFIG_P2P */
3667
3668 #ifdef CONFIG_WIFI_DISPLAY
3669         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3670                 struct wpabuf *wfd;
3671                 ie = (const u8 *) (bss + 1);
3672                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3673                                                   WFD_IE_VENDOR_TYPE);
3674                 if (wfd) {
3675                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3676                         if (ret < 0 || ret >= end - pos) {
3677                                 wpabuf_free(wfd);
3678                                 return 0;
3679                         }
3680                         pos += ret;
3681
3682                         pos += wpa_snprintf_hex(pos, end - pos,
3683                                                 wpabuf_head(wfd),
3684                                                 wpabuf_len(wfd));
3685                         wpabuf_free(wfd);
3686
3687                         ret = os_snprintf(pos, end - pos, "\n");
3688                         if (ret < 0 || ret >= end - pos)
3689                                 return 0;
3690                         pos += ret;
3691                 }
3692         }
3693 #endif /* CONFIG_WIFI_DISPLAY */
3694
3695 #ifdef CONFIG_INTERWORKING
3696         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3697                 struct wpa_bss_anqp *anqp = bss->anqp;
3698                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3699                                    anqp->venue_name);
3700                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3701                                    anqp->network_auth_type);
3702                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3703                                    anqp->roaming_consortium);
3704                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3705                                    anqp->ip_addr_type_availability);
3706                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3707                                    anqp->nai_realm);
3708                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3709                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3710                                    anqp->domain_name);
3711 #ifdef CONFIG_HS20
3712                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3713                                    anqp->hs20_operator_friendly_name);
3714                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3715                                    anqp->hs20_wan_metrics);
3716                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3717                                    anqp->hs20_connection_capability);
3718                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
3719                                    anqp->hs20_operating_class);
3720                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
3721                                    anqp->hs20_osu_providers_list);
3722 #endif /* CONFIG_HS20 */
3723         }
3724 #endif /* CONFIG_INTERWORKING */
3725
3726         if (mask & WPA_BSS_MASK_DELIM) {
3727                 ret = os_snprintf(pos, end - pos, "====\n");
3728                 if (ret < 0 || ret >= end - pos)
3729                         return 0;
3730                 pos += ret;
3731         }
3732
3733         return pos - buf;
3734 }
3735
3736
3737 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3738                                          const char *cmd, char *buf,
3739                                          size_t buflen)
3740 {
3741         u8 bssid[ETH_ALEN];
3742         size_t i;
3743         struct wpa_bss *bss;
3744         struct wpa_bss *bsslast = NULL;
3745         struct dl_list *next;
3746         int ret = 0;
3747         int len;
3748         char *ctmp;
3749         unsigned long mask = WPA_BSS_MASK_ALL;
3750
3751         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3752                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3753                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3754                                             list_id);
3755                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3756                                                list_id);
3757                 } else { /* N1-N2 */
3758                         unsigned int id1, id2;
3759
3760                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3761                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3762                                            "format");
3763                                 return 0;
3764                         }
3765
3766                         if (*(cmd + 6) == '-')
3767                                 id1 = 0;
3768                         else
3769                                 id1 = atoi(cmd + 6);
3770                         ctmp++;
3771                         if (*ctmp >= '0' && *ctmp <= '9')
3772                                 id2 = atoi(ctmp);
3773                         else
3774                                 id2 = (unsigned int) -1;
3775                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3776                         if (id2 == (unsigned int) -1)
3777                                 bsslast = dl_list_last(&wpa_s->bss_id,
3778                                                        struct wpa_bss,
3779                                                        list_id);
3780                         else {
3781                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3782                                 if (bsslast == NULL && bss && id2 > id1) {
3783                                         struct wpa_bss *tmp = bss;
3784                                         for (;;) {
3785                                                 next = tmp->list_id.next;
3786                                                 if (next == &wpa_s->bss_id)
3787                                                         break;
3788                                                 tmp = dl_list_entry(
3789                                                         next, struct wpa_bss,
3790                                                         list_id);
3791                                                 if (tmp->id > id2)
3792                                                         break;
3793                                                 bsslast = tmp;
3794                                         }
3795                                 }
3796                         }
3797                 }
3798         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3799                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3800         else if (os_strncmp(cmd, "LAST", 4) == 0)
3801                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3802         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3803                 i = atoi(cmd + 3);
3804                 bss = wpa_bss_get_id(wpa_s, i);
3805         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3806                 i = atoi(cmd + 5);
3807                 bss = wpa_bss_get_id(wpa_s, i);
3808                 if (bss) {
3809                         next = bss->list_id.next;
3810                         if (next == &wpa_s->bss_id)
3811                                 bss = NULL;
3812                         else
3813                                 bss = dl_list_entry(next, struct wpa_bss,
3814                                                     list_id);
3815                 }
3816 #ifdef CONFIG_P2P
3817         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3818                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3819                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3820                 else
3821                         bss = NULL;
3822 #endif /* CONFIG_P2P */
3823         } else if (hwaddr_aton(cmd, bssid) == 0)
3824                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3825         else {
3826                 struct wpa_bss *tmp;
3827                 i = atoi(cmd);
3828                 bss = NULL;
3829                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3830                 {
3831                         if (i-- == 0) {
3832                                 bss = tmp;
3833                                 break;
3834                         }
3835                 }
3836         }
3837
3838         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3839                 mask = strtoul(ctmp + 5, NULL, 0x10);
3840                 if (mask == 0)
3841                         mask = WPA_BSS_MASK_ALL;
3842         }
3843
3844         if (bss == NULL)
3845                 return 0;
3846
3847         if (bsslast == NULL)
3848                 bsslast = bss;
3849         do {
3850                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3851                 ret += len;
3852                 buf += len;
3853                 buflen -= len;
3854                 if (bss == bsslast) {
3855                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
3856                             (bss == dl_list_last(&wpa_s->bss_id,
3857                                                  struct wpa_bss, list_id)))
3858                                 os_snprintf(buf - 5, 5, "####\n");
3859                         break;
3860                 }
3861                 next = bss->list_id.next;
3862                 if (next == &wpa_s->bss_id)
3863                         break;
3864                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3865         } while (bss && len);
3866
3867         return ret;
3868 }
3869
3870
3871 static int wpa_supplicant_ctrl_iface_ap_scan(
3872         struct wpa_supplicant *wpa_s, char *cmd)
3873 {
3874         int ap_scan = atoi(cmd);
3875         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3876 }
3877
3878
3879 static int wpa_supplicant_ctrl_iface_scan_interval(
3880         struct wpa_supplicant *wpa_s, char *cmd)
3881 {
3882         int scan_int = atoi(cmd);
3883         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3884 }
3885
3886
3887 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3888         struct wpa_supplicant *wpa_s, char *cmd)
3889 {
3890         int expire_age = atoi(cmd);
3891         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3892 }
3893
3894
3895 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3896         struct wpa_supplicant *wpa_s, char *cmd)
3897 {
3898         int expire_count = atoi(cmd);
3899         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3900 }
3901
3902
3903 static int wpa_supplicant_ctrl_iface_bss_flush(
3904         struct wpa_supplicant *wpa_s, char *cmd)
3905 {
3906         int flush_age = atoi(cmd);
3907
3908         if (flush_age == 0)
3909                 wpa_bss_flush(wpa_s);
3910         else
3911                 wpa_bss_flush_by_age(wpa_s, flush_age);
3912         return 0;
3913 }
3914
3915
3916 #ifdef CONFIG_TESTING_OPTIONS
3917 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3918 {
3919         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3920         /* MLME-DELETEKEYS.request */
3921         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3922         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3923         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3924         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3925 #ifdef CONFIG_IEEE80211W
3926         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3927         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3928 #endif /* CONFIG_IEEE80211W */
3929
3930         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3931                         0);
3932         /* MLME-SETPROTECTION.request(None) */
3933         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3934                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3935                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3936         wpa_sm_drop_sa(wpa_s->wpa);
3937 }
3938 #endif /* CONFIG_TESTING_OPTIONS */
3939
3940
3941 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3942                                           char *addr)
3943 {
3944 #ifdef CONFIG_NO_SCAN_PROCESSING
3945         return -1;
3946 #else /* CONFIG_NO_SCAN_PROCESSING */
3947         u8 bssid[ETH_ALEN];
3948         struct wpa_bss *bss;
3949         struct wpa_ssid *ssid = wpa_s->current_ssid;
3950
3951         if (hwaddr_aton(addr, bssid)) {
3952                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3953                            "address '%s'", addr);
3954                 return -1;
3955         }
3956
3957         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3958
3959         if (!ssid) {
3960                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3961                            "configuration known for the target AP");
3962                 return -1;
3963         }
3964
3965         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
3966         if (!bss) {
3967                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3968                            "from BSS table");
3969                 return -1;
3970         }
3971
3972         /*
3973          * TODO: Find best network configuration block from configuration to
3974          * allow roaming to other networks
3975          */
3976
3977         wpa_s->reassociate = 1;
3978         wpa_supplicant_connect(wpa_s, bss, ssid);
3979
3980         return 0;
3981 #endif /* CONFIG_NO_SCAN_PROCESSING */
3982 }
3983
3984
3985 #ifdef CONFIG_P2P
3986 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3987 {
3988         unsigned int timeout = atoi(cmd);
3989         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3990         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3991         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
3992         char *pos;
3993         unsigned int search_delay;
3994
3995         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
3996                 wpa_dbg(wpa_s, MSG_INFO,
3997                         "Reject P2P_FIND since interface is disabled");
3998                 return -1;
3999         }
4000         if (os_strstr(cmd, "type=social"))
4001                 type = P2P_FIND_ONLY_SOCIAL;
4002         else if (os_strstr(cmd, "type=progressive"))
4003                 type = P2P_FIND_PROGRESSIVE;
4004
4005         pos = os_strstr(cmd, "dev_id=");
4006         if (pos) {
4007                 pos += 7;
4008                 if (hwaddr_aton(pos, dev_id))
4009                         return -1;
4010                 _dev_id = dev_id;
4011         }
4012
4013         pos = os_strstr(cmd, "dev_type=");
4014         if (pos) {
4015                 pos += 9;
4016                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4017                         return -1;
4018                 _dev_type = dev_type;
4019         }
4020
4021         pos = os_strstr(cmd, "delay=");
4022         if (pos) {
4023                 pos += 6;
4024                 search_delay = atoi(pos);
4025         } else
4026                 search_delay = wpas_p2p_search_delay(wpa_s);
4027
4028         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4029                              _dev_id, search_delay);
4030 }
4031
4032
4033 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4034                             char *buf, size_t buflen)
4035 {
4036         u8 addr[ETH_ALEN];
4037         char *pos, *pos2;
4038         char *pin = NULL;
4039         enum p2p_wps_method wps_method;
4040         int new_pin;
4041         int ret;
4042         int persistent_group, persistent_id = -1;
4043         int join;
4044         int auth;
4045         int automatic;
4046         int go_intent = -1;
4047         int freq = 0;
4048         int pd;
4049         int ht40, vht;
4050
4051         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
4052          * [persistent|persistent=<network id>]
4053          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4054          * [ht40] [vht] */
4055
4056         if (hwaddr_aton(cmd, addr))
4057                 return -1;
4058
4059         pos = cmd + 17;
4060         if (*pos != ' ')
4061                 return -1;
4062         pos++;
4063
4064         persistent_group = os_strstr(pos, " persistent") != NULL;
4065         pos2 = os_strstr(pos, " persistent=");
4066         if (pos2) {
4067                 struct wpa_ssid *ssid;
4068                 persistent_id = atoi(pos2 + 12);
4069                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4070                 if (ssid == NULL || ssid->disabled != 2 ||
4071                     ssid->mode != WPAS_MODE_P2P_GO) {
4072                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4073                                    "SSID id=%d for persistent P2P group (GO)",
4074                                    persistent_id);
4075                         return -1;
4076                 }
4077         }
4078         join = os_strstr(pos, " join") != NULL;
4079         auth = os_strstr(pos, " auth") != NULL;
4080         automatic = os_strstr(pos, " auto") != NULL;
4081         pd = os_strstr(pos, " provdisc") != NULL;
4082         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4083         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4084                 vht;
4085
4086         pos2 = os_strstr(pos, " go_intent=");
4087         if (pos2) {
4088                 pos2 += 11;
4089                 go_intent = atoi(pos2);
4090                 if (go_intent < 0 || go_intent > 15)
4091                         return -1;
4092         }
4093
4094         pos2 = os_strstr(pos, " freq=");
4095         if (pos2) {
4096                 pos2 += 6;
4097                 freq = atoi(pos2);
4098                 if (freq <= 0)
4099                         return -1;
4100         }
4101
4102         if (os_strncmp(pos, "pin", 3) == 0) {
4103                 /* Request random PIN (to be displayed) and enable the PIN */
4104                 wps_method = WPS_PIN_DISPLAY;
4105         } else if (os_strncmp(pos, "pbc", 3) == 0) {
4106                 wps_method = WPS_PBC;
4107         } else {
4108                 pin = pos;
4109                 pos = os_strchr(pin, ' ');
4110                 wps_method = WPS_PIN_KEYPAD;
4111                 if (pos) {
4112                         *pos++ = '\0';
4113                         if (os_strncmp(pos, "display", 7) == 0)
4114                                 wps_method = WPS_PIN_DISPLAY;
4115                 }
4116                 if (!wps_pin_str_valid(pin)) {
4117                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
4118                         return 17;
4119                 }
4120         }
4121
4122         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
4123                                    persistent_group, automatic, join,
4124                                    auth, go_intent, freq, persistent_id, pd,
4125                                    ht40, vht);
4126         if (new_pin == -2) {
4127                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
4128                 return 25;
4129         }
4130         if (new_pin == -3) {
4131                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
4132                 return 25;
4133         }
4134         if (new_pin < 0)
4135                 return -1;
4136         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
4137                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
4138                 if (ret < 0 || (size_t) ret >= buflen)
4139                         return -1;
4140                 return ret;
4141         }
4142
4143         os_memcpy(buf, "OK\n", 3);
4144         return 3;
4145 }
4146
4147
4148 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
4149 {
4150         unsigned int timeout = atoi(cmd);
4151         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4152                 wpa_dbg(wpa_s, MSG_INFO,
4153                         "Reject P2P_LISTEN since interface is disabled");
4154                 return -1;
4155         }
4156         return wpas_p2p_listen(wpa_s, timeout);
4157 }
4158
4159
4160 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
4161 {
4162         u8 addr[ETH_ALEN];
4163         char *pos;
4164         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
4165
4166         /* <addr> <config method> [join|auto] */
4167
4168         if (hwaddr_aton(cmd, addr))
4169                 return -1;
4170
4171         pos = cmd + 17;
4172         if (*pos != ' ')
4173                 return -1;
4174         pos++;
4175
4176         if (os_strstr(pos, " join") != NULL)
4177                 use = WPAS_P2P_PD_FOR_JOIN;
4178         else if (os_strstr(pos, " auto") != NULL)
4179                 use = WPAS_P2P_PD_AUTO;
4180
4181         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
4182 }
4183
4184
4185 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
4186                               size_t buflen)
4187 {
4188         struct wpa_ssid *ssid = wpa_s->current_ssid;
4189
4190         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
4191             ssid->passphrase == NULL)
4192                 return -1;
4193
4194         os_strlcpy(buf, ssid->passphrase, buflen);
4195         return os_strlen(buf);
4196 }
4197
4198
4199 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
4200                                   char *buf, size_t buflen)
4201 {
4202         u64 ref;
4203         int res;
4204         u8 dst_buf[ETH_ALEN], *dst;
4205         struct wpabuf *tlvs;
4206         char *pos;
4207         size_t len;
4208
4209         if (hwaddr_aton(cmd, dst_buf))
4210                 return -1;
4211         dst = dst_buf;
4212         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
4213             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
4214                 dst = NULL;
4215         pos = cmd + 17;
4216         if (*pos != ' ')
4217                 return -1;
4218         pos++;
4219
4220         if (os_strncmp(pos, "upnp ", 5) == 0) {
4221                 u8 version;
4222                 pos += 5;
4223                 if (hexstr2bin(pos, &version, 1) < 0)
4224                         return -1;
4225                 pos += 2;
4226                 if (*pos != ' ')
4227                         return -1;
4228                 pos++;
4229                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
4230 #ifdef CONFIG_WIFI_DISPLAY
4231         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
4232                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
4233 #endif /* CONFIG_WIFI_DISPLAY */
4234         } else {
4235                 len = os_strlen(pos);
4236                 if (len & 1)
4237                         return -1;
4238                 len /= 2;
4239                 tlvs = wpabuf_alloc(len);
4240                 if (tlvs == NULL)
4241                         return -1;
4242                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
4243                         wpabuf_free(tlvs);
4244                         return -1;
4245                 }
4246
4247                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
4248                 wpabuf_free(tlvs);
4249         }
4250         if (ref == 0)
4251                 return -1;
4252         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
4253         if (res < 0 || (unsigned) res >= buflen)
4254                 return -1;
4255         return res;
4256 }
4257
4258
4259 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
4260                                          char *cmd)
4261 {
4262         long long unsigned val;
4263         u64 req;
4264         if (sscanf(cmd, "%llx", &val) != 1)
4265                 return -1;
4266         req = val;
4267         return wpas_p2p_sd_cancel_request(wpa_s, req);
4268 }
4269
4270
4271 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
4272 {
4273         int freq;
4274         u8 dst[ETH_ALEN];
4275         u8 dialog_token;
4276         struct wpabuf *resp_tlvs;
4277         char *pos, *pos2;
4278         size_t len;
4279
4280         pos = os_strchr(cmd, ' ');
4281         if (pos == NULL)
4282                 return -1;
4283         *pos++ = '\0';
4284         freq = atoi(cmd);
4285         if (freq == 0)
4286                 return -1;
4287
4288         if (hwaddr_aton(pos, dst))
4289                 return -1;
4290         pos += 17;
4291         if (*pos != ' ')
4292                 return -1;
4293         pos++;
4294
4295         pos2 = os_strchr(pos, ' ');
4296         if (pos2 == NULL)
4297                 return -1;
4298         *pos2++ = '\0';
4299         dialog_token = atoi(pos);
4300
4301         len = os_strlen(pos2);
4302         if (len & 1)
4303                 return -1;
4304         len /= 2;
4305         resp_tlvs = wpabuf_alloc(len);
4306         if (resp_tlvs == NULL)
4307                 return -1;
4308         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
4309                 wpabuf_free(resp_tlvs);
4310                 return -1;
4311         }
4312
4313         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
4314         wpabuf_free(resp_tlvs);
4315         return 0;
4316 }
4317
4318
4319 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
4320                                        char *cmd)
4321 {
4322         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
4323                 return -1;
4324         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
4325         return 0;
4326 }
4327
4328
4329 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
4330                                         char *cmd)
4331 {
4332         char *pos;
4333         size_t len;
4334         struct wpabuf *query, *resp;
4335
4336         pos = os_strchr(cmd, ' ');
4337         if (pos == NULL)
4338                 return -1;
4339         *pos++ = '\0';
4340
4341         len = os_strlen(cmd);
4342         if (len & 1)
4343                 return -1;
4344         len /= 2;
4345         query = wpabuf_alloc(len);
4346         if (query == NULL)
4347                 return -1;
4348         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4349                 wpabuf_free(query);
4350                 return -1;
4351         }
4352
4353         len = os_strlen(pos);
4354         if (len & 1) {
4355                 wpabuf_free(query);
4356                 return -1;
4357         }
4358         len /= 2;
4359         resp = wpabuf_alloc(len);
4360         if (resp == NULL) {
4361                 wpabuf_free(query);
4362                 return -1;
4363         }
4364         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
4365                 wpabuf_free(query);
4366                 wpabuf_free(resp);
4367                 return -1;
4368         }
4369
4370         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
4371                 wpabuf_free(query);
4372                 wpabuf_free(resp);
4373                 return -1;
4374         }
4375         return 0;
4376 }
4377
4378
4379 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4380 {
4381         char *pos;
4382         u8 version;
4383
4384         pos = os_strchr(cmd, ' ');
4385         if (pos == NULL)
4386                 return -1;
4387         *pos++ = '\0';
4388
4389         if (hexstr2bin(cmd, &version, 1) < 0)
4390                 return -1;
4391
4392         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
4393 }
4394
4395
4396 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
4397 {
4398         char *pos;
4399
4400         pos = os_strchr(cmd, ' ');
4401         if (pos == NULL)
4402                 return -1;
4403         *pos++ = '\0';
4404
4405         if (os_strcmp(cmd, "bonjour") == 0)
4406                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
4407         if (os_strcmp(cmd, "upnp") == 0)
4408                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
4409         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4410         return -1;
4411 }
4412
4413
4414 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
4415                                         char *cmd)
4416 {
4417         size_t len;
4418         struct wpabuf *query;
4419         int ret;
4420
4421         len = os_strlen(cmd);
4422         if (len & 1)
4423                 return -1;
4424         len /= 2;
4425         query = wpabuf_alloc(len);
4426         if (query == NULL)
4427                 return -1;
4428         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4429                 wpabuf_free(query);
4430                 return -1;
4431         }
4432
4433         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
4434         wpabuf_free(query);
4435         return ret;
4436 }
4437
4438
4439 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4440 {
4441         char *pos;
4442         u8 version;
4443
4444         pos = os_strchr(cmd, ' ');
4445         if (pos == NULL)
4446                 return -1;
4447         *pos++ = '\0';
4448
4449         if (hexstr2bin(cmd, &version, 1) < 0)
4450                 return -1;
4451
4452         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4453 }
4454
4455
4456 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4457 {
4458         char *pos;
4459
4460         pos = os_strchr(cmd, ' ');
4461         if (pos == NULL)
4462                 return -1;
4463         *pos++ = '\0';
4464
4465         if (os_strcmp(cmd, "bonjour") == 0)
4466                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4467         if (os_strcmp(cmd, "upnp") == 0)
4468                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
4469         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4470         return -1;
4471 }
4472
4473
4474 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4475 {
4476         u8 addr[ETH_ALEN];
4477
4478         /* <addr> */
4479
4480         if (hwaddr_aton(cmd, addr))
4481                 return -1;
4482
4483         return wpas_p2p_reject(wpa_s, addr);
4484 }
4485
4486
4487 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
4488 {
4489         char *pos;
4490         int id;
4491         struct wpa_ssid *ssid;
4492         u8 *_peer = NULL, peer[ETH_ALEN];
4493         int freq = 0, pref_freq = 0;
4494         int ht40, vht;
4495
4496         id = atoi(cmd);
4497         pos = os_strstr(cmd, " peer=");
4498         if (pos) {
4499                 pos += 6;
4500                 if (hwaddr_aton(pos, peer))
4501                         return -1;
4502                 _peer = peer;
4503         }
4504         ssid = wpa_config_get_network(wpa_s->conf, id);
4505         if (ssid == NULL || ssid->disabled != 2) {
4506                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4507                            "for persistent P2P group",
4508                            id);
4509                 return -1;
4510         }
4511
4512         pos = os_strstr(cmd, " freq=");
4513         if (pos) {
4514                 pos += 6;
4515                 freq = atoi(pos);
4516                 if (freq <= 0)
4517                         return -1;
4518         }
4519
4520         pos = os_strstr(cmd, " pref=");
4521         if (pos) {
4522                 pos += 6;
4523                 pref_freq = atoi(pos);
4524                 if (pref_freq <= 0)
4525                         return -1;
4526         }
4527
4528         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4529         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4530                 vht;
4531
4532         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
4533                                pref_freq);
4534 }
4535
4536
4537 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4538 {
4539         char *pos;
4540         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4541
4542         pos = os_strstr(cmd, " peer=");
4543         if (!pos)
4544                 return -1;
4545
4546         *pos = '\0';
4547         pos += 6;
4548         if (hwaddr_aton(pos, peer)) {
4549                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4550                 return -1;
4551         }
4552
4553         pos = os_strstr(pos, " go_dev_addr=");
4554         if (pos) {
4555                 pos += 13;
4556                 if (hwaddr_aton(pos, go_dev_addr)) {
4557                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4558                                    pos);
4559                         return -1;
4560                 }
4561                 go_dev = go_dev_addr;
4562         }
4563
4564         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4565 }
4566
4567
4568 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4569 {
4570         if (os_strncmp(cmd, "persistent=", 11) == 0)
4571                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4572         if (os_strncmp(cmd, "group=", 6) == 0)
4573                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4574
4575         return -1;
4576 }
4577
4578
4579 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4580                                          char *cmd, int freq, int ht40,
4581                                          int vht)
4582 {
4583         int id;
4584         struct wpa_ssid *ssid;
4585
4586         id = atoi(cmd);
4587         ssid = wpa_config_get_network(wpa_s->conf, id);
4588         if (ssid == NULL || ssid->disabled != 2) {
4589                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4590                            "for persistent P2P group",
4591                            id);
4592                 return -1;
4593         }
4594
4595         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
4596                                              NULL, 0);
4597 }
4598
4599
4600 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4601 {
4602         int freq = 0, ht40, vht;
4603         char *pos;
4604
4605         pos = os_strstr(cmd, "freq=");
4606         if (pos)
4607                 freq = atoi(pos + 5);
4608
4609         vht = (os_strstr(cmd, "vht") != NULL) || wpa_s->conf->p2p_go_vht;
4610         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4611                 vht;
4612
4613         if (os_strncmp(cmd, "persistent=", 11) == 0)
4614                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4615                                                      ht40, vht);
4616         if (os_strcmp(cmd, "persistent") == 0 ||
4617             os_strncmp(cmd, "persistent ", 11) == 0)
4618                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40, vht);
4619         if (os_strncmp(cmd, "freq=", 5) == 0)
4620                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4621         if (ht40)
4622                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4623
4624         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4625                    cmd);
4626         return -1;
4627 }
4628
4629
4630 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4631                          char *buf, size_t buflen)
4632 {
4633         u8 addr[ETH_ALEN], *addr_ptr;
4634         int next, res;
4635         const struct p2p_peer_info *info;
4636         char *pos, *end;
4637         char devtype[WPS_DEV_TYPE_BUFSIZE];
4638         struct wpa_ssid *ssid;
4639         size_t i;
4640
4641         if (!wpa_s->global->p2p)
4642                 return -1;
4643
4644         if (os_strcmp(cmd, "FIRST") == 0) {
4645                 addr_ptr = NULL;
4646                 next = 0;
4647         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4648                 if (hwaddr_aton(cmd + 5, addr) < 0)
4649                         return -1;
4650                 addr_ptr = addr;
4651                 next = 1;
4652         } else {
4653                 if (hwaddr_aton(cmd, addr) < 0)
4654                         return -1;
4655                 addr_ptr = addr;
4656                 next = 0;
4657         }
4658
4659         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4660         if (info == NULL)
4661                 return -1;
4662
4663         pos = buf;
4664         end = buf + buflen;
4665
4666         res = os_snprintf(pos, end - pos, MACSTR "\n"
4667                           "pri_dev_type=%s\n"
4668                           "device_name=%s\n"
4669                           "manufacturer=%s\n"
4670                           "model_name=%s\n"
4671                           "model_number=%s\n"
4672                           "serial_number=%s\n"
4673                           "config_methods=0x%x\n"
4674                           "dev_capab=0x%x\n"
4675                           "group_capab=0x%x\n"
4676                           "level=%d\n",
4677                           MAC2STR(info->p2p_device_addr),
4678                           wps_dev_type_bin2str(info->pri_dev_type,
4679                                                devtype, sizeof(devtype)),
4680                           info->device_name,
4681                           info->manufacturer,
4682                           info->model_name,
4683                           info->model_number,
4684                           info->serial_number,
4685                           info->config_methods,
4686                           info->dev_capab,
4687                           info->group_capab,
4688                           info->level);
4689         if (res < 0 || res >= end - pos)
4690                 return pos - buf;
4691         pos += res;
4692
4693         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4694         {
4695                 const u8 *t;
4696                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4697                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4698                                   wps_dev_type_bin2str(t, devtype,
4699                                                        sizeof(devtype)));
4700                 if (res < 0 || res >= end - pos)
4701                         return pos - buf;
4702                 pos += res;
4703         }
4704
4705         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4706         if (ssid) {
4707                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4708                 if (res < 0 || res >= end - pos)
4709                         return pos - buf;
4710                 pos += res;
4711         }
4712
4713         res = p2p_get_peer_info_txt(info, pos, end - pos);
4714         if (res < 0)
4715                 return pos - buf;
4716         pos += res;
4717
4718         return pos - buf;
4719 }
4720
4721
4722 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4723                                   const char *param)
4724 {
4725         unsigned int i;
4726
4727         if (wpa_s->global->p2p == NULL)
4728                 return -1;
4729
4730         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
4731                 return -1;
4732
4733         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
4734                 struct wpa_freq_range *freq;
4735                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
4736                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4737                            freq->min, freq->max);
4738         }
4739
4740         wpas_p2p_update_channel_list(wpa_s);
4741         return 0;
4742 }
4743
4744
4745 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4746 {
4747         char *param;
4748
4749         if (wpa_s->global->p2p == NULL)
4750                 return -1;
4751
4752         param = os_strchr(cmd, ' ');
4753         if (param == NULL)
4754                 return -1;
4755         *param++ = '\0';
4756
4757         if (os_strcmp(cmd, "discoverability") == 0) {
4758                 p2p_set_client_discoverability(wpa_s->global->p2p,
4759                                                atoi(param));
4760                 return 0;
4761         }
4762
4763         if (os_strcmp(cmd, "managed") == 0) {
4764                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4765                 return 0;
4766         }
4767
4768         if (os_strcmp(cmd, "listen_channel") == 0) {
4769                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4770                                               atoi(param), 1);
4771         }
4772
4773         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4774                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4775                                             os_strlen(param));
4776         }
4777
4778         if (os_strcmp(cmd, "noa") == 0) {
4779                 char *pos;
4780                 int count, start, duration;
4781                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4782                 count = atoi(param);
4783                 pos = os_strchr(param, ',');
4784                 if (pos == NULL)
4785                         return -1;
4786                 pos++;
4787                 start = atoi(pos);
4788                 pos = os_strchr(pos, ',');
4789                 if (pos == NULL)
4790                         return -1;
4791                 pos++;
4792                 duration = atoi(pos);
4793                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4794                         return -1;
4795                 if (count == 0 && duration > 0)
4796                         return -1;
4797                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4798                            "start=%d duration=%d", count, start, duration);
4799                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4800         }
4801
4802         if (os_strcmp(cmd, "ps") == 0)
4803                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4804
4805         if (os_strcmp(cmd, "oppps") == 0)
4806                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4807
4808         if (os_strcmp(cmd, "ctwindow") == 0)
4809                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4810
4811         if (os_strcmp(cmd, "disabled") == 0) {
4812                 wpa_s->global->p2p_disabled = atoi(param);
4813                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4814                            wpa_s->global->p2p_disabled ?
4815                            "disabled" : "enabled");
4816                 if (wpa_s->global->p2p_disabled) {
4817                         wpas_p2p_stop_find(wpa_s);
4818                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4819                         p2p_flush(wpa_s->global->p2p);
4820                 }
4821                 return 0;
4822         }
4823
4824         if (os_strcmp(cmd, "conc_pref") == 0) {
4825                 if (os_strcmp(param, "sta") == 0)
4826                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4827                 else if (os_strcmp(param, "p2p") == 0)
4828                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4829                 else {
4830                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4831                         return -1;
4832                 }
4833                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4834                            "%s", param);
4835                 return 0;
4836         }
4837
4838         if (os_strcmp(cmd, "force_long_sd") == 0) {
4839                 wpa_s->force_long_sd = atoi(param);
4840                 return 0;
4841         }
4842
4843         if (os_strcmp(cmd, "peer_filter") == 0) {
4844                 u8 addr[ETH_ALEN];
4845                 if (hwaddr_aton(param, addr))
4846                         return -1;
4847                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4848                 return 0;
4849         }
4850
4851         if (os_strcmp(cmd, "cross_connect") == 0)
4852                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4853
4854         if (os_strcmp(cmd, "go_apsd") == 0) {
4855                 if (os_strcmp(param, "disable") == 0)
4856                         wpa_s->set_ap_uapsd = 0;
4857                 else {
4858                         wpa_s->set_ap_uapsd = 1;
4859                         wpa_s->ap_uapsd = atoi(param);
4860                 }
4861                 return 0;
4862         }
4863
4864         if (os_strcmp(cmd, "client_apsd") == 0) {
4865                 if (os_strcmp(param, "disable") == 0)
4866                         wpa_s->set_sta_uapsd = 0;
4867                 else {
4868                         int be, bk, vi, vo;
4869                         char *pos;
4870                         /* format: BE,BK,VI,VO;max SP Length */
4871                         be = atoi(param);
4872                         pos = os_strchr(param, ',');
4873                         if (pos == NULL)
4874                                 return -1;
4875                         pos++;
4876                         bk = atoi(pos);
4877                         pos = os_strchr(pos, ',');
4878                         if (pos == NULL)
4879                                 return -1;
4880                         pos++;
4881                         vi = atoi(pos);
4882                         pos = os_strchr(pos, ',');
4883                         if (pos == NULL)
4884                                 return -1;
4885                         pos++;
4886                         vo = atoi(pos);
4887                         /* ignore max SP Length for now */
4888
4889                         wpa_s->set_sta_uapsd = 1;
4890                         wpa_s->sta_uapsd = 0;
4891                         if (be)
4892                                 wpa_s->sta_uapsd |= BIT(0);
4893                         if (bk)
4894                                 wpa_s->sta_uapsd |= BIT(1);
4895                         if (vi)
4896                                 wpa_s->sta_uapsd |= BIT(2);
4897                         if (vo)
4898                                 wpa_s->sta_uapsd |= BIT(3);
4899                 }
4900                 return 0;
4901         }
4902
4903         if (os_strcmp(cmd, "disallow_freq") == 0)
4904                 return p2p_ctrl_disallow_freq(wpa_s, param);
4905
4906         if (os_strcmp(cmd, "disc_int") == 0) {
4907                 int min_disc_int, max_disc_int, max_disc_tu;
4908                 char *pos;
4909
4910                 pos = param;
4911
4912                 min_disc_int = atoi(pos);
4913                 pos = os_strchr(pos, ' ');
4914                 if (pos == NULL)
4915                         return -1;
4916                 *pos++ = '\0';
4917
4918                 max_disc_int = atoi(pos);
4919                 pos = os_strchr(pos, ' ');
4920                 if (pos == NULL)
4921                         return -1;
4922                 *pos++ = '\0';
4923
4924                 max_disc_tu = atoi(pos);
4925
4926                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4927                                         max_disc_int, max_disc_tu);
4928         }
4929
4930         if (os_strcmp(cmd, "per_sta_psk") == 0) {
4931                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
4932                 return 0;
4933         }
4934
4935 #ifdef CONFIG_WPS_NFC
4936         if (os_strcmp(cmd, "nfc_tag") == 0)
4937                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
4938 #endif /* CONFIG_WPS_NFC */
4939
4940         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
4941                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
4942                 return 0;
4943         }
4944
4945         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4946                    cmd);
4947
4948         return -1;
4949 }
4950
4951
4952 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
4953 {
4954         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4955         wpa_s->force_long_sd = 0;
4956         if (wpa_s->global->p2p)
4957                 p2p_flush(wpa_s->global->p2p);
4958 }
4959
4960
4961 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4962 {
4963         char *pos, *pos2;
4964         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4965
4966         if (cmd[0]) {
4967                 pos = os_strchr(cmd, ' ');
4968                 if (pos == NULL)
4969                         return -1;
4970                 *pos++ = '\0';
4971                 dur1 = atoi(cmd);
4972
4973                 pos2 = os_strchr(pos, ' ');
4974                 if (pos2)
4975                         *pos2++ = '\0';
4976                 int1 = atoi(pos);
4977         } else
4978                 pos2 = NULL;
4979
4980         if (pos2) {
4981                 pos = os_strchr(pos2, ' ');
4982                 if (pos == NULL)
4983                         return -1;
4984                 *pos++ = '\0';
4985                 dur2 = atoi(pos2);
4986                 int2 = atoi(pos);
4987         }
4988
4989         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4990 }
4991
4992
4993 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4994 {
4995         char *pos;
4996         unsigned int period = 0, interval = 0;
4997
4998         if (cmd[0]) {
4999                 pos = os_strchr(cmd, ' ');
5000                 if (pos == NULL)
5001                         return -1;
5002                 *pos++ = '\0';
5003                 period = atoi(cmd);
5004                 interval = atoi(pos);
5005         }
5006
5007         return wpas_p2p_ext_listen(wpa_s, period, interval);
5008 }
5009
5010
5011 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
5012 {
5013         const char *pos;
5014         u8 peer[ETH_ALEN];
5015         int iface_addr = 0;
5016
5017         pos = cmd;
5018         if (os_strncmp(pos, "iface=", 6) == 0) {
5019                 iface_addr = 1;
5020                 pos += 6;
5021         }
5022         if (hwaddr_aton(pos, peer))
5023                 return -1;
5024
5025         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
5026         return 0;
5027 }
5028
5029 #endif /* CONFIG_P2P */
5030
5031
5032 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
5033 {
5034         struct wpa_freq_range_list ranges;
5035         int *freqs = NULL;
5036         struct hostapd_hw_modes *mode;
5037         u16 i;
5038
5039         if (wpa_s->hw.modes == NULL)
5040                 return NULL;
5041
5042         os_memset(&ranges, 0, sizeof(ranges));
5043         if (freq_range_list_parse(&ranges, val) < 0)
5044                 return NULL;
5045
5046         for (i = 0; i < wpa_s->hw.num_modes; i++) {
5047                 int j;
5048
5049                 mode = &wpa_s->hw.modes[i];
5050                 for (j = 0; j < mode->num_channels; j++) {
5051                         unsigned int freq;
5052
5053                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
5054                                 continue;
5055
5056                         freq = mode->channels[j].freq;
5057                         if (!freq_range_list_includes(&ranges, freq))
5058                                 continue;
5059
5060                         int_array_add_unique(&freqs, freq);
5061                 }
5062         }
5063
5064         os_free(ranges.range);
5065         return freqs;
5066 }
5067
5068
5069 #ifdef CONFIG_INTERWORKING
5070
5071 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
5072 {
5073         int auto_sel = 0;
5074         int *freqs = NULL;
5075
5076         if (param) {
5077                 char *pos;
5078
5079                 auto_sel = os_strstr(param, "auto") != NULL;
5080
5081                 pos = os_strstr(param, "freq=");
5082                 if (pos) {
5083                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
5084                         if (freqs == NULL)
5085                                 return -1;
5086                 }
5087
5088         }
5089
5090         return interworking_select(wpa_s, auto_sel, freqs);
5091 }
5092
5093
5094 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
5095 {
5096         u8 bssid[ETH_ALEN];
5097         struct wpa_bss *bss;
5098
5099         if (hwaddr_aton(dst, bssid)) {
5100                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
5101                 return -1;
5102         }
5103
5104         bss = wpa_bss_get_bssid(wpa_s, bssid);
5105         if (bss == NULL) {
5106                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
5107                            MAC2STR(bssid));
5108                 return -1;
5109         }
5110
5111         return interworking_connect(wpa_s, bss);
5112 }
5113
5114
5115 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
5116 {
5117         u8 dst_addr[ETH_ALEN];
5118         int used;
5119         char *pos;
5120 #define MAX_ANQP_INFO_ID 100
5121         u16 id[MAX_ANQP_INFO_ID];
5122         size_t num_id = 0;
5123         u32 subtypes = 0;
5124
5125         used = hwaddr_aton2(dst, dst_addr);
5126         if (used < 0)
5127                 return -1;
5128         pos = dst + used;
5129         while (num_id < MAX_ANQP_INFO_ID) {
5130                 if (os_strncmp(pos, "hs20:", 5) == 0) {
5131 #ifdef CONFIG_HS20
5132                         int num = atoi(pos + 5);
5133                         if (num <= 0 || num > 31)
5134                                 return -1;
5135                         subtypes |= BIT(num);
5136 #else /* CONFIG_HS20 */
5137                         return -1;
5138 #endif /* CONFIG_HS20 */
5139                 } else {
5140                         id[num_id] = atoi(pos);
5141                         if (id[num_id])
5142                                 num_id++;
5143                 }
5144                 pos = os_strchr(pos + 1, ',');
5145                 if (pos == NULL)
5146                         break;
5147                 pos++;
5148         }
5149
5150         if (num_id == 0)
5151                 return -1;
5152
5153         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
5154 }
5155
5156
5157 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
5158 {
5159         u8 dst_addr[ETH_ALEN];
5160         struct wpabuf *advproto, *query = NULL;
5161         int used, ret = -1;
5162         char *pos, *end;
5163         size_t len;
5164
5165         used = hwaddr_aton2(cmd, dst_addr);
5166         if (used < 0)
5167                 return -1;
5168
5169         pos = cmd + used;
5170         while (*pos == ' ')
5171                 pos++;
5172
5173         /* Advertisement Protocol ID */
5174         end = os_strchr(pos, ' ');
5175         if (end)
5176                 len = end - pos;
5177         else
5178                 len = os_strlen(pos);
5179         if (len & 0x01)
5180                 return -1;
5181         len /= 2;
5182         if (len == 0)
5183                 return -1;
5184         advproto = wpabuf_alloc(len);
5185         if (advproto == NULL)
5186                 return -1;
5187         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
5188                 goto fail;
5189
5190         if (end) {
5191                 /* Optional Query Request */
5192                 pos = end + 1;
5193                 while (*pos == ' ')
5194                         pos++;
5195
5196                 len = os_strlen(pos);
5197                 if (len) {
5198                         if (len & 0x01)
5199                                 goto fail;
5200                         len /= 2;
5201                         if (len == 0)
5202                                 goto fail;
5203                         query = wpabuf_alloc(len);
5204                         if (query == NULL)
5205                                 goto fail;
5206                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
5207                                 goto fail;
5208                 }
5209         }
5210
5211         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
5212
5213 fail:
5214         wpabuf_free(advproto);
5215         wpabuf_free(query);
5216
5217         return ret;
5218 }
5219
5220
5221 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
5222                             size_t buflen)
5223 {
5224         u8 addr[ETH_ALEN];
5225         int dialog_token;
5226         int used;
5227         char *pos;
5228         size_t resp_len, start, requested_len;
5229         struct wpabuf *resp;
5230         int ret;
5231
5232         used = hwaddr_aton2(cmd, addr);
5233         if (used < 0)
5234                 return -1;
5235
5236         pos = cmd + used;
5237         while (*pos == ' ')
5238                 pos++;
5239         dialog_token = atoi(pos);
5240
5241         if (wpa_s->last_gas_resp &&
5242             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
5243             dialog_token == wpa_s->last_gas_dialog_token)
5244                 resp = wpa_s->last_gas_resp;
5245         else if (wpa_s->prev_gas_resp &&
5246                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
5247                  dialog_token == wpa_s->prev_gas_dialog_token)
5248                 resp = wpa_s->prev_gas_resp;
5249         else
5250                 return -1;
5251
5252         resp_len = wpabuf_len(resp);
5253         start = 0;
5254         requested_len = resp_len;
5255
5256         pos = os_strchr(pos, ' ');
5257         if (pos) {
5258                 start = atoi(pos);
5259                 if (start > resp_len)
5260                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
5261                 pos = os_strchr(pos, ',');
5262                 if (pos == NULL)
5263                         return -1;
5264                 pos++;
5265                 requested_len = atoi(pos);
5266                 if (start + requested_len > resp_len)
5267                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
5268         }
5269
5270         if (requested_len * 2 + 1 > buflen)
5271                 return os_snprintf(buf, buflen, "FAIL-Too long response");
5272
5273         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
5274                                requested_len);
5275
5276         if (start + requested_len == resp_len) {
5277                 /*
5278                  * Free memory by dropping the response after it has been
5279                  * fetched.
5280                  */
5281                 if (resp == wpa_s->prev_gas_resp) {
5282                         wpabuf_free(wpa_s->prev_gas_resp);
5283                         wpa_s->prev_gas_resp = NULL;
5284                 } else {
5285                         wpabuf_free(wpa_s->last_gas_resp);
5286                         wpa_s->last_gas_resp = NULL;
5287                 }
5288         }
5289
5290         return ret;
5291 }
5292 #endif /* CONFIG_INTERWORKING */
5293
5294
5295 #ifdef CONFIG_HS20
5296
5297 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
5298 {
5299         u8 dst_addr[ETH_ALEN];
5300         int used;
5301         char *pos;
5302         u32 subtypes = 0;
5303
5304         used = hwaddr_aton2(dst, dst_addr);
5305         if (used < 0)
5306                 return -1;
5307         pos = dst + used;
5308         for (;;) {
5309                 int num = atoi(pos);
5310                 if (num <= 0 || num > 31)
5311                         return -1;
5312                 subtypes |= BIT(num);
5313                 pos = os_strchr(pos + 1, ',');
5314                 if (pos == NULL)
5315                         break;
5316                 pos++;
5317         }
5318
5319         if (subtypes == 0)
5320                 return -1;
5321
5322         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
5323 }
5324
5325
5326 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5327                                     const u8 *addr, const char *realm)
5328 {
5329         u8 *buf;
5330         size_t rlen, len;
5331         int ret;
5332
5333         rlen = os_strlen(realm);
5334         len = 3 + rlen;
5335         buf = os_malloc(len);
5336         if (buf == NULL)
5337                 return -1;
5338         buf[0] = 1; /* NAI Home Realm Count */
5339         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
5340         buf[2] = rlen;
5341         os_memcpy(buf + 3, realm, rlen);
5342
5343         ret = hs20_anqp_send_req(wpa_s, addr,
5344                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5345                                  buf, len);
5346
5347         os_free(buf);
5348
5349         return ret;
5350 }
5351
5352
5353 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5354                                         char *dst)
5355 {
5356         struct wpa_cred *cred = wpa_s->conf->cred;
5357         u8 dst_addr[ETH_ALEN];
5358         int used;
5359         u8 *buf;
5360         size_t len;
5361         int ret;
5362
5363         used = hwaddr_aton2(dst, dst_addr);
5364         if (used < 0)
5365                 return -1;
5366
5367         while (dst[used] == ' ')
5368                 used++;
5369         if (os_strncmp(dst + used, "realm=", 6) == 0)
5370                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
5371                                                 dst + used + 6);
5372
5373         len = os_strlen(dst + used);
5374
5375         if (len == 0 && cred && cred->realm)
5376                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
5377
5378         if (len & 1)
5379                 return -1;
5380         len /= 2;
5381         buf = os_malloc(len);
5382         if (buf == NULL)
5383                 return -1;
5384         if (hexstr2bin(dst + used, buf, len) < 0) {
5385                 os_free(buf);
5386                 return -1;
5387         }
5388
5389         ret = hs20_anqp_send_req(wpa_s, dst_addr,
5390                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5391                                  buf, len);
5392         os_free(buf);
5393
5394         return ret;
5395 }
5396
5397
5398 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
5399 {
5400         u8 dst_addr[ETH_ALEN];
5401         int used;
5402         char *icon;
5403
5404         used = hwaddr_aton2(cmd, dst_addr);
5405         if (used < 0)
5406                 return -1;
5407
5408         while (cmd[used] == ' ')
5409                 used++;
5410         icon = &cmd[used];
5411
5412         wpa_s->fetch_osu_icon_in_progress = 0;
5413         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
5414                                   (u8 *) icon, os_strlen(icon));
5415 }
5416
5417 #endif /* CONFIG_HS20 */
5418
5419
5420 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
5421         struct wpa_supplicant *wpa_s, char *cmd)
5422 {
5423         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
5424         return 0;
5425 }
5426
5427
5428 #ifdef CONFIG_AUTOSCAN
5429
5430 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
5431                                               char *cmd)
5432 {
5433         enum wpa_states state = wpa_s->wpa_state;
5434         char *new_params = NULL;
5435
5436         if (os_strlen(cmd) > 0) {
5437                 new_params = os_strdup(cmd);
5438                 if (new_params == NULL)
5439                         return -1;
5440         }
5441
5442         os_free(wpa_s->conf->autoscan);
5443         wpa_s->conf->autoscan = new_params;
5444
5445         if (wpa_s->conf->autoscan == NULL)
5446                 autoscan_deinit(wpa_s);
5447         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
5448                 autoscan_init(wpa_s, 1);
5449         else if (state == WPA_SCANNING)
5450                 wpa_supplicant_reinit_autoscan(wpa_s);
5451
5452         return 0;
5453 }
5454
5455 #endif /* CONFIG_AUTOSCAN */
5456
5457
5458 #ifdef CONFIG_WNM
5459
5460 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
5461 {
5462         int enter;
5463         int intval = 0;
5464         char *pos;
5465         int ret;
5466         struct wpabuf *tfs_req = NULL;
5467
5468         if (os_strncmp(cmd, "enter", 5) == 0)
5469                 enter = 1;
5470         else if (os_strncmp(cmd, "exit", 4) == 0)
5471                 enter = 0;
5472         else
5473                 return -1;
5474
5475         pos = os_strstr(cmd, " interval=");
5476         if (pos)
5477                 intval = atoi(pos + 10);
5478
5479         pos = os_strstr(cmd, " tfs_req=");
5480         if (pos) {
5481                 char *end;
5482                 size_t len;
5483                 pos += 9;
5484                 end = os_strchr(pos, ' ');
5485                 if (end)
5486                         len = end - pos;
5487                 else
5488                         len = os_strlen(pos);
5489                 if (len & 1)
5490                         return -1;
5491                 len /= 2;
5492                 tfs_req = wpabuf_alloc(len);
5493                 if (tfs_req == NULL)
5494                         return -1;
5495                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
5496                         wpabuf_free(tfs_req);
5497                         return -1;
5498                 }
5499         }
5500
5501         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
5502                                            WNM_SLEEP_MODE_EXIT, intval,
5503                                            tfs_req);
5504         wpabuf_free(tfs_req);
5505
5506         return ret;
5507 }
5508
5509
5510 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
5511 {
5512         int query_reason;
5513
5514         query_reason = atoi(cmd);
5515
5516         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
5517                    query_reason);
5518
5519         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
5520 }
5521
5522 #endif /* CONFIG_WNM */
5523
5524
5525 /* Get string representation of channel width */
5526 static const char * channel_width_name(enum chan_width width)
5527 {
5528         switch (width) {
5529         case CHAN_WIDTH_20_NOHT:
5530                 return "20 MHz (no HT)";
5531         case CHAN_WIDTH_20:
5532                 return "20 MHz";
5533         case CHAN_WIDTH_40:
5534                 return "40 MHz";
5535         case CHAN_WIDTH_80:
5536                 return "80 MHz";
5537         case CHAN_WIDTH_80P80:
5538                 return "80+80 MHz";
5539         case CHAN_WIDTH_160:
5540                 return "160 MHz";
5541         default:
5542                 return "unknown";
5543         }
5544 }
5545
5546
5547 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
5548                                       size_t buflen)
5549 {
5550         struct wpa_signal_info si;
5551         int ret;
5552         char *pos, *end;
5553
5554         ret = wpa_drv_signal_poll(wpa_s, &si);
5555         if (ret)
5556                 return -1;
5557
5558         pos = buf;
5559         end = buf + buflen;
5560
5561         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
5562                           "NOISE=%d\nFREQUENCY=%u\n",
5563                           si.current_signal, si.current_txrate / 1000,
5564                           si.current_noise, si.frequency);
5565         if (ret < 0 || ret > end - pos)
5566                 return -1;
5567         pos += ret;
5568
5569         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
5570                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
5571                                   channel_width_name(si.chanwidth));
5572                 if (ret < 0 || ret > end - pos)
5573                         return -1;
5574                 pos += ret;
5575         }
5576
5577         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
5578                 ret = os_snprintf(pos, end - pos,
5579                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
5580                                   si.center_frq1, si.center_frq2);
5581                 if (ret < 0 || ret > end - pos)
5582                         return -1;
5583                 pos += ret;
5584         }
5585
5586         if (si.avg_signal) {
5587                 ret = os_snprintf(pos, end - pos,
5588                                   "AVG_RSSI=%d\n", si.avg_signal);
5589                 if (ret < 0 || ret >= end - pos)
5590                         return -1;
5591                 pos += ret;
5592         }
5593
5594         return pos - buf;
5595 }
5596
5597
5598 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
5599                                       size_t buflen)
5600 {
5601         struct hostap_sta_driver_data sta;
5602         int ret;
5603
5604         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
5605         if (ret)
5606                 return -1;
5607
5608         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
5609                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
5610         if (ret < 0 || (size_t) ret > buflen)
5611                 return -1;
5612         return ret;
5613 }
5614
5615
5616 #ifdef ANDROID
5617 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
5618                                      char *buf, size_t buflen)
5619 {
5620         int ret;
5621
5622         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
5623         if (ret == 0) {
5624                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
5625                         struct p2p_data *p2p = wpa_s->global->p2p;
5626                         if (p2p) {
5627                                 char country[3];
5628                                 country[0] = cmd[8];
5629                                 country[1] = cmd[9];
5630                                 country[2] = 0x04;
5631                                 p2p_set_country(p2p, country);
5632                         }
5633                 }
5634                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
5635         }
5636         return ret;
5637 }
5638 #endif /* ANDROID */
5639
5640
5641 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
5642                                      char *buf, size_t buflen)
5643 {
5644         int ret;
5645         char *pos;
5646         u8 *data = NULL;
5647         unsigned int vendor_id, subcmd;
5648         struct wpabuf *reply;
5649         size_t data_len = 0;
5650
5651         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
5652         vendor_id = strtoul(cmd, &pos, 16);
5653         if (!isblank(*pos))
5654                 return -EINVAL;
5655
5656         subcmd = strtoul(pos, &pos, 10);
5657
5658         if (*pos != '\0') {
5659                 if (!isblank(*pos++))
5660                         return -EINVAL;
5661                 data_len = os_strlen(pos);
5662         }
5663
5664         if (data_len) {
5665                 data_len /= 2;
5666                 data = os_malloc(data_len);
5667                 if (!data)
5668                         return -1;
5669
5670                 if (hexstr2bin(pos, data, data_len)) {
5671                         wpa_printf(MSG_DEBUG,
5672                                    "Vendor command: wrong parameter format");
5673                         os_free(data);
5674                         return -EINVAL;
5675                 }
5676         }
5677
5678         reply = wpabuf_alloc((buflen - 1) / 2);
5679         if (!reply) {
5680                 os_free(data);
5681                 return -1;
5682         }
5683
5684         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
5685                                  reply);
5686
5687         if (ret == 0)
5688                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
5689                                        wpabuf_len(reply));
5690
5691         wpabuf_free(reply);
5692         os_free(data);
5693
5694         return ret;
5695 }
5696
5697
5698 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
5699 {
5700         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
5701
5702 #ifdef CONFIG_P2P
5703         wpas_p2p_cancel(wpa_s);
5704         wpas_p2p_stop_find(wpa_s);
5705         p2p_ctrl_flush(wpa_s);
5706         wpas_p2p_group_remove(wpa_s, "*");
5707         wpas_p2p_service_flush(wpa_s);
5708         wpa_s->global->p2p_disabled = 0;
5709         wpa_s->global->p2p_per_sta_psk = 0;
5710         wpa_s->conf->num_sec_device_types = 0;
5711         wpa_s->p2p_disable_ip_addr_req = 0;
5712         os_free(wpa_s->global->p2p_go_avoid_freq.range);
5713         wpa_s->global->p2p_go_avoid_freq.range = NULL;
5714 #endif /* CONFIG_P2P */
5715
5716 #ifdef CONFIG_WPS_TESTING
5717         wps_version_number = 0x20;
5718         wps_testing_dummy_cred = 0;
5719         wps_corrupt_pkhash = 0;
5720 #endif /* CONFIG_WPS_TESTING */
5721 #ifdef CONFIG_WPS
5722         wpa_s->wps_fragment_size = 0;
5723         wpas_wps_cancel(wpa_s);
5724 #endif /* CONFIG_WPS */
5725         wpa_s->after_wps = 0;
5726         wpa_s->known_wps_freq = 0;
5727
5728 #ifdef CONFIG_TDLS
5729 #ifdef CONFIG_TDLS_TESTING
5730         extern unsigned int tdls_testing;
5731         tdls_testing = 0;
5732 #endif /* CONFIG_TDLS_TESTING */
5733         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
5734         wpa_tdls_enable(wpa_s->wpa, 1);
5735 #endif /* CONFIG_TDLS */
5736
5737         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
5738         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
5739
5740         wpa_s->no_keep_alive = 0;
5741
5742         os_free(wpa_s->disallow_aps_bssid);
5743         wpa_s->disallow_aps_bssid = NULL;
5744         wpa_s->disallow_aps_bssid_count = 0;
5745         os_free(wpa_s->disallow_aps_ssid);
5746         wpa_s->disallow_aps_ssid = NULL;
5747         wpa_s->disallow_aps_ssid_count = 0;
5748
5749         wpa_s->set_sta_uapsd = 0;
5750         wpa_s->sta_uapsd = 0;
5751
5752         wpa_drv_radio_disable(wpa_s, 0);
5753
5754         wpa_bss_flush(wpa_s);
5755         wpa_blacklist_clear(wpa_s);
5756         wpa_s->extra_blacklist_count = 0;
5757         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
5758         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
5759         wpa_config_flush_blobs(wpa_s->conf);
5760         wpa_s->conf->auto_interworking = 0;
5761         wpa_s->conf->okc = 0;
5762
5763         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
5764         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
5765         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
5766         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5767
5768         radio_remove_works(wpa_s, NULL, 1);
5769
5770         wpa_s->next_ssid = NULL;
5771
5772 #ifdef CONFIG_INTERWORKING
5773         hs20_cancel_fetch_osu(wpa_s);
5774 #endif /* CONFIG_INTERWORKING */
5775
5776         wpa_s->ext_mgmt_frame_handling = 0;
5777 }
5778
5779
5780 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
5781                                      char *buf, size_t buflen)
5782 {
5783         struct wpa_radio_work *work;
5784         char *pos, *end;
5785         struct os_reltime now, diff;
5786
5787         pos = buf;
5788         end = buf + buflen;
5789
5790         os_get_reltime(&now);
5791
5792         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
5793         {
5794                 int ret;
5795
5796                 os_reltime_sub(&now, &work->time, &diff);
5797                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
5798                                   work->type, work->wpa_s->ifname, work->freq,
5799                                   work->started, diff.sec, diff.usec);
5800                 if (ret < 0 || ret >= end - pos)
5801                         break;
5802                 pos += ret;
5803         }
5804
5805         return pos - buf;
5806 }
5807
5808
5809 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
5810 {
5811         struct wpa_radio_work *work = eloop_ctx;
5812         struct wpa_external_work *ework = work->ctx;
5813
5814         wpa_dbg(work->wpa_s, MSG_DEBUG,
5815                 "Timing out external radio work %u (%s)",
5816                 ework->id, work->type);
5817         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
5818         radio_work_done(work);
5819         os_free(ework);
5820 }
5821
5822
5823 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
5824 {
5825         struct wpa_external_work *ework = work->ctx;
5826
5827         if (deinit) {
5828                 if (work->started)
5829                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
5830                                              work, NULL);
5831
5832                 os_free(ework);
5833                 return;
5834         }
5835
5836         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
5837                 ework->id, ework->type);
5838         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
5839         if (!ework->timeout)
5840                 ework->timeout = 10;
5841         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
5842                                work, NULL);
5843 }
5844
5845
5846 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
5847                                     char *buf, size_t buflen)
5848 {
5849         struct wpa_external_work *ework;
5850         char *pos, *pos2;
5851         size_t type_len;
5852         int ret;
5853         unsigned int freq = 0;
5854
5855         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
5856
5857         ework = os_zalloc(sizeof(*ework));
5858         if (ework == NULL)
5859                 return -1;
5860
5861         pos = os_strchr(cmd, ' ');
5862         if (pos) {
5863                 type_len = pos - cmd;
5864                 pos++;
5865
5866                 pos2 = os_strstr(pos, "freq=");
5867                 if (pos2)
5868                         freq = atoi(pos2 + 5);
5869
5870                 pos2 = os_strstr(pos, "timeout=");
5871                 if (pos2)
5872                         ework->timeout = atoi(pos2 + 8);
5873         } else {
5874                 type_len = os_strlen(cmd);
5875         }
5876         if (4 + type_len >= sizeof(ework->type))
5877                 type_len = sizeof(ework->type) - 4 - 1;
5878         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
5879         os_memcpy(ework->type + 4, cmd, type_len);
5880         ework->type[4 + type_len] = '\0';
5881
5882         wpa_s->ext_work_id++;
5883         if (wpa_s->ext_work_id == 0)
5884                 wpa_s->ext_work_id++;
5885         ework->id = wpa_s->ext_work_id;
5886
5887         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
5888                            ework) < 0) {
5889                 os_free(ework);
5890                 return -1;
5891         }
5892
5893         ret = os_snprintf(buf, buflen, "%u", ework->id);
5894         if (ret < 0 || (size_t) ret >= buflen)
5895                 return -1;
5896         return ret;
5897 }
5898
5899
5900 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
5901 {
5902         struct wpa_radio_work *work;
5903         unsigned int id = atoi(cmd);
5904
5905         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
5906         {
5907                 struct wpa_external_work *ework;
5908
5909                 if (os_strncmp(work->type, "ext:", 4) != 0)
5910                         continue;
5911                 ework = work->ctx;
5912                 if (id && ework->id != id)
5913                         continue;
5914                 wpa_dbg(wpa_s, MSG_DEBUG,
5915                         "Completed external radio work %u (%s)",
5916                         ework->id, ework->type);
5917                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
5918                 radio_work_done(work);
5919                 os_free(ework);
5920                 return 3; /* "OK\n" */
5921         }
5922
5923         return -1;
5924 }
5925
5926
5927 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
5928                                 char *buf, size_t buflen)
5929 {
5930         if (os_strcmp(cmd, "show") == 0)
5931                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
5932         if (os_strncmp(cmd, "add ", 4) == 0)
5933                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
5934         if (os_strncmp(cmd, "done ", 5) == 0)
5935                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
5936         return -1;
5937 }
5938
5939
5940 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
5941 {
5942         struct wpa_radio_work *work, *tmp;
5943
5944         if (!wpa_s || !wpa_s->radio)
5945                 return;
5946
5947         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
5948                               struct wpa_radio_work, list) {
5949                 struct wpa_external_work *ework;
5950
5951                 if (os_strncmp(work->type, "ext:", 4) != 0)
5952                         continue;
5953                 ework = work->ctx;
5954                 wpa_dbg(wpa_s, MSG_DEBUG,
5955                         "Flushing%s external radio work %u (%s)",
5956                         work->started ? " started" : "", ework->id,
5957                         ework->type);
5958                 if (work->started)
5959                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
5960                                              work, NULL);
5961                 radio_work_done(work);
5962                 os_free(ework);
5963         }
5964 }
5965
5966
5967 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
5968 {
5969         struct wpa_supplicant *wpa_s = eloop_ctx;
5970         eapol_sm_notify_ctrl_response(wpa_s->eapol);
5971 }
5972
5973
5974 static int set_scan_freqs(struct wpa_supplicant *wpa_s, char *val)
5975 {
5976         int *freqs = NULL;
5977
5978         freqs = freq_range_to_channel_list(wpa_s, val);
5979         if (freqs == NULL)
5980                 return -1;
5981
5982         os_free(wpa_s->manual_scan_freqs);
5983         wpa_s->manual_scan_freqs = freqs;
5984
5985         return 0;
5986 }
5987
5988
5989 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
5990                            char *reply, int reply_size, int *reply_len)
5991 {
5992         char *pos;
5993
5994         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
5995                 *reply_len = -1;
5996                 return;
5997         }
5998
5999         wpa_s->manual_scan_passive = 0;
6000         wpa_s->manual_scan_use_id = 0;
6001         wpa_s->manual_scan_only_new = 0;
6002
6003         if (params) {
6004                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
6005                         wpa_s->scan_res_handler = scan_only_handler;
6006
6007                 pos = os_strstr(params, "freq=");
6008                 if (pos && set_scan_freqs(wpa_s, pos + 5) < 0) {
6009                         *reply_len = -1;
6010                         return;
6011                 }
6012
6013                 pos = os_strstr(params, "passive=");
6014                 if (pos)
6015                         wpa_s->manual_scan_passive = !!atoi(pos + 8);
6016
6017                 pos = os_strstr(params, "use_id=");
6018                 if (pos)
6019                         wpa_s->manual_scan_use_id = atoi(pos + 7);
6020
6021                 pos = os_strstr(params, "only_new=1");
6022                 if (pos)
6023                         wpa_s->manual_scan_only_new = 1;
6024         } else {
6025                 os_free(wpa_s->manual_scan_freqs);
6026                 wpa_s->manual_scan_freqs = NULL;
6027                 if (wpa_s->scan_res_handler == scan_only_handler)
6028                         wpa_s->scan_res_handler = NULL;
6029         }
6030
6031         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
6032             ((wpa_s->wpa_state <= WPA_SCANNING) ||
6033              (wpa_s->wpa_state == WPA_COMPLETED))) {
6034                 wpa_s->normal_scans = 0;
6035                 wpa_s->scan_req = MANUAL_SCAN_REQ;
6036                 wpa_s->after_wps = 0;
6037                 wpa_s->known_wps_freq = 0;
6038                 wpa_supplicant_req_scan(wpa_s, 0, 0);
6039                 if (wpa_s->manual_scan_use_id) {
6040                         wpa_s->manual_scan_id++;
6041                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
6042                                 wpa_s->manual_scan_id);
6043                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
6044                                                  wpa_s->manual_scan_id);
6045                 }
6046         } else if (wpa_s->sched_scanning) {
6047                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
6048                 wpa_supplicant_cancel_sched_scan(wpa_s);
6049                 wpa_s->scan_req = MANUAL_SCAN_REQ;
6050                 wpa_supplicant_req_scan(wpa_s, 0, 0);
6051                 if (wpa_s->manual_scan_use_id) {
6052                         wpa_s->manual_scan_id++;
6053                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
6054                                                  wpa_s->manual_scan_id);
6055                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
6056                                 wpa_s->manual_scan_id);
6057                 }
6058         } else {
6059                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
6060                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
6061         }
6062 }
6063
6064
6065 #ifdef CONFIG_TESTING_OPTIONS
6066
6067 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
6068                                        unsigned int freq, const u8 *dst,
6069                                        const u8 *src, const u8 *bssid,
6070                                        const u8 *data, size_t data_len,
6071                                        enum offchannel_send_action_result
6072                                        result)
6073 {
6074         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
6075                 " src=" MACSTR " bssid=" MACSTR " result=%s",
6076                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
6077                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
6078                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
6079                              "NO_ACK" : "FAILED"));
6080 }
6081
6082
6083 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
6084 {
6085         char *pos, *param;
6086         size_t len;
6087         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
6088         int res, used;
6089         int freq = 0, no_cck = 0, wait_time = 0;
6090
6091         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
6092          *    <action=Action frame payload> */
6093
6094         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
6095
6096         pos = cmd;
6097         used = hwaddr_aton2(pos, da);
6098         if (used < 0)
6099                 return -1;
6100         pos += used;
6101         while (*pos == ' ')
6102                 pos++;
6103         used = hwaddr_aton2(pos, bssid);
6104         if (used < 0)
6105                 return -1;
6106         pos += used;
6107
6108         param = os_strstr(pos, " freq=");
6109         if (param) {
6110                 param += 6;
6111                 freq = atoi(param);
6112         }
6113
6114         param = os_strstr(pos, " no_cck=");
6115         if (param) {
6116                 param += 8;
6117                 no_cck = atoi(param);
6118         }
6119
6120         param = os_strstr(pos, " wait_time=");
6121         if (param) {
6122                 param += 11;
6123                 wait_time = atoi(param);
6124         }
6125
6126         param = os_strstr(pos, " action=");
6127         if (param == NULL)
6128                 return -1;
6129         param += 8;
6130
6131         len = os_strlen(param);
6132         if (len & 1)
6133                 return -1;
6134         len /= 2;
6135
6136         buf = os_malloc(len);
6137         if (buf == NULL)
6138                 return -1;
6139
6140         if (hexstr2bin(param, buf, len) < 0) {
6141                 os_free(buf);
6142                 return -1;
6143         }
6144
6145         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
6146                                      buf, len, wait_time,
6147                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
6148         os_free(buf);
6149         return res;
6150 }
6151
6152
6153 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
6154 {
6155         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
6156         offchannel_send_action_done(wpa_s);
6157 }
6158
6159
6160 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
6161 {
6162         char *pos, *param;
6163         union wpa_event_data event;
6164         enum wpa_event_type ev;
6165
6166         /* <event name> [parameters..] */
6167
6168         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
6169
6170         pos = cmd;
6171         param = os_strchr(pos, ' ');
6172         if (param)
6173                 *param++ = '\0';
6174
6175         os_memset(&event, 0, sizeof(event));
6176
6177         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
6178                 ev = EVENT_INTERFACE_ENABLED;
6179         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
6180                 ev = EVENT_INTERFACE_DISABLED;
6181         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
6182                 ev = EVENT_AVOID_FREQUENCIES;
6183                 if (param == NULL)
6184                         param = "";
6185                 if (freq_range_list_parse(&event.freq_range, param) < 0)
6186                         return -1;
6187                 wpa_supplicant_event(wpa_s, ev, &event);
6188                 os_free(event.freq_range.range);
6189                 return 0;
6190         } else {
6191                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
6192                         cmd);
6193                 return -1;
6194         }
6195
6196         wpa_supplicant_event(wpa_s, ev, &event);
6197
6198         return 0;
6199 }
6200
6201 #endif /* CONFIG_TESTING_OPTIONS */
6202
6203
6204 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
6205                                          char *buf, size_t *resp_len)
6206 {
6207         char *reply;
6208         const int reply_size = 4096;
6209         int reply_len;
6210
6211         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
6212             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
6213                 if (wpa_debug_show_keys)
6214                         wpa_dbg(wpa_s, MSG_DEBUG,
6215                                 "Control interface command '%s'", buf);
6216                 else
6217                         wpa_dbg(wpa_s, MSG_DEBUG,
6218                                 "Control interface command '%s [REMOVED]'",
6219                                 os_strncmp(buf, WPA_CTRL_RSP,
6220                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
6221                                 WPA_CTRL_RSP : "SET_NETWORK");
6222         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
6223                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
6224                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
6225                                       (const u8 *) buf, os_strlen(buf));
6226         } else {
6227                 int level = MSG_DEBUG;
6228                 if (os_strcmp(buf, "PING") == 0)
6229                         level = MSG_EXCESSIVE;
6230                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
6231         }
6232
6233         reply = os_malloc(reply_size);
6234         if (reply == NULL) {
6235                 *resp_len = 1;
6236                 return NULL;
6237         }
6238
6239         os_memcpy(reply, "OK\n", 3);
6240         reply_len = 3;
6241
6242         if (os_strcmp(buf, "PING") == 0) {
6243                 os_memcpy(reply, "PONG\n", 5);
6244                 reply_len = 5;
6245         } else if (os_strcmp(buf, "IFNAME") == 0) {
6246                 reply_len = os_strlen(wpa_s->ifname);
6247                 os_memcpy(reply, wpa_s->ifname, reply_len);
6248         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
6249                 if (wpa_debug_reopen_file() < 0)
6250                         reply_len = -1;
6251         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
6252                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
6253         } else if (os_strcmp(buf, "MIB") == 0) {
6254                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
6255                 if (reply_len >= 0) {
6256                         int res;
6257                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
6258                                                reply_size - reply_len);
6259                         if (res < 0)
6260                                 reply_len = -1;
6261                         else
6262                                 reply_len += res;
6263                 }
6264         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
6265                 reply_len = wpa_supplicant_ctrl_iface_status(
6266                         wpa_s, buf + 6, reply, reply_size);
6267         } else if (os_strcmp(buf, "PMKSA") == 0) {
6268                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
6269                                                     reply_size);
6270         } else if (os_strncmp(buf, "SET ", 4) == 0) {
6271                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
6272                         reply_len = -1;
6273         } else if (os_strncmp(buf, "GET ", 4) == 0) {
6274                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
6275                                                           reply, reply_size);
6276         } else if (os_strcmp(buf, "LOGON") == 0) {
6277                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
6278         } else if (os_strcmp(buf, "LOGOFF") == 0) {
6279                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
6280         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
6281                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
6282                         reply_len = -1;
6283                 else
6284                         wpas_request_connection(wpa_s);
6285         } else if (os_strcmp(buf, "REATTACH") == 0) {
6286                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
6287                     !wpa_s->current_ssid)
6288                         reply_len = -1;
6289                 else {
6290                         wpa_s->reattach = 1;
6291                         wpas_request_connection(wpa_s);
6292                 }
6293         } else if (os_strcmp(buf, "RECONNECT") == 0) {
6294                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
6295                         reply_len = -1;
6296                 else if (wpa_s->disconnected)
6297                         wpas_request_connection(wpa_s);
6298 #ifdef IEEE8021X_EAPOL
6299         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
6300                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
6301                         reply_len = -1;
6302 #endif /* IEEE8021X_EAPOL */
6303 #ifdef CONFIG_PEERKEY
6304         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
6305                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
6306                         reply_len = -1;
6307 #endif /* CONFIG_PEERKEY */
6308 #ifdef CONFIG_IEEE80211R
6309         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
6310                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
6311                         reply_len = -1;
6312 #endif /* CONFIG_IEEE80211R */
6313 #ifdef CONFIG_WPS
6314         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
6315                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
6316                 if (res == -2) {
6317                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
6318                         reply_len = 17;
6319                 } else if (res)
6320                         reply_len = -1;
6321         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
6322                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
6323                 if (res == -2) {
6324                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
6325                         reply_len = 17;
6326                 } else if (res)
6327                         reply_len = -1;
6328         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
6329                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
6330                                                               reply,
6331                                                               reply_size);
6332         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
6333                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
6334                         wpa_s, buf + 14, reply, reply_size);
6335         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
6336                 if (wpas_wps_cancel(wpa_s))
6337                         reply_len = -1;
6338 #ifdef CONFIG_WPS_NFC
6339         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
6340                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
6341                         reply_len = -1;
6342         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
6343                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
6344                         reply_len = -1;
6345         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
6346                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
6347                         wpa_s, buf + 21, reply, reply_size);
6348         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
6349                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
6350                         wpa_s, buf + 14, reply, reply_size);
6351         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
6352                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
6353                                                                buf + 17))
6354                         reply_len = -1;
6355         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
6356                 reply_len = wpas_ctrl_nfc_get_handover_req(
6357                         wpa_s, buf + 21, reply, reply_size);
6358         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
6359                 reply_len = wpas_ctrl_nfc_get_handover_sel(
6360                         wpa_s, buf + 21, reply, reply_size);
6361         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
6362                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
6363                         reply_len = -1;
6364 #endif /* CONFIG_WPS_NFC */
6365         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
6366                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
6367                         reply_len = -1;
6368 #ifdef CONFIG_AP
6369         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
6370                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
6371                         wpa_s, buf + 11, reply, reply_size);
6372 #endif /* CONFIG_AP */
6373 #ifdef CONFIG_WPS_ER
6374         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
6375                 if (wpas_wps_er_start(wpa_s, NULL))
6376                         reply_len = -1;
6377         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
6378                 if (wpas_wps_er_start(wpa_s, buf + 13))
6379                         reply_len = -1;
6380         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
6381                 if (wpas_wps_er_stop(wpa_s))
6382                         reply_len = -1;
6383         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
6384                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
6385                         reply_len = -1;
6386         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
6387                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
6388                 if (ret == -2) {
6389                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
6390                         reply_len = 17;
6391                 } else if (ret == -3) {
6392                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
6393                         reply_len = 18;
6394                 } else if (ret == -4) {
6395                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
6396                         reply_len = 20;
6397                 } else if (ret)
6398                         reply_len = -1;
6399         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
6400                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
6401                         reply_len = -1;
6402         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
6403                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
6404                                                                 buf + 18))
6405                         reply_len = -1;
6406         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
6407                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
6408                         reply_len = -1;
6409 #ifdef CONFIG_WPS_NFC
6410         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
6411                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
6412                         wpa_s, buf + 24, reply, reply_size);
6413 #endif /* CONFIG_WPS_NFC */
6414 #endif /* CONFIG_WPS_ER */
6415 #endif /* CONFIG_WPS */
6416 #ifdef CONFIG_IBSS_RSN
6417         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
6418                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
6419                         reply_len = -1;
6420 #endif /* CONFIG_IBSS_RSN */
6421 #ifdef CONFIG_P2P
6422         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
6423                 if (p2p_ctrl_find(wpa_s, buf + 9))
6424                         reply_len = -1;
6425         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
6426                 if (p2p_ctrl_find(wpa_s, ""))
6427                         reply_len = -1;
6428         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
6429                 wpas_p2p_stop_find(wpa_s);
6430         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
6431                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
6432                                              reply_size);
6433         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
6434                 if (p2p_ctrl_listen(wpa_s, buf + 11))
6435                         reply_len = -1;
6436         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
6437                 if (p2p_ctrl_listen(wpa_s, ""))
6438                         reply_len = -1;
6439         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
6440                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
6441                         reply_len = -1;
6442         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
6443                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0, 0))
6444                         reply_len = -1;
6445         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
6446                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
6447                         reply_len = -1;
6448         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
6449                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
6450                         reply_len = -1;
6451         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
6452                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
6453         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
6454                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
6455                                                    reply_size);
6456         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
6457                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
6458                         reply_len = -1;
6459         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
6460                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
6461                         reply_len = -1;
6462         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
6463                 wpas_p2p_sd_service_update(wpa_s);
6464         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
6465                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
6466                         reply_len = -1;
6467         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
6468                 wpas_p2p_service_flush(wpa_s);
6469         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
6470                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
6471                         reply_len = -1;
6472         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
6473                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
6474                         reply_len = -1;
6475         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
6476                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
6477                         reply_len = -1;
6478         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
6479                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
6480                         reply_len = -1;
6481         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
6482                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
6483                                               reply_size);
6484         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
6485                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
6486                         reply_len = -1;
6487         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
6488                 p2p_ctrl_flush(wpa_s);
6489         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
6490                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
6491                         reply_len = -1;
6492         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
6493                 if (wpas_p2p_cancel(wpa_s))
6494                         reply_len = -1;
6495         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
6496                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
6497                         reply_len = -1;
6498         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
6499                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
6500                         reply_len = -1;
6501         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
6502                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
6503                         reply_len = -1;
6504         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
6505                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
6506                         reply_len = -1;
6507         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
6508                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
6509                         reply_len = -1;
6510 #endif /* CONFIG_P2P */
6511 #ifdef CONFIG_WIFI_DISPLAY
6512         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
6513                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
6514                         reply_len = -1;
6515         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
6516                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
6517                                                      reply, reply_size);
6518 #endif /* CONFIG_WIFI_DISPLAY */
6519 #ifdef CONFIG_INTERWORKING
6520         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
6521                 if (interworking_fetch_anqp(wpa_s) < 0)
6522                         reply_len = -1;
6523         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
6524                 interworking_stop_fetch_anqp(wpa_s);
6525         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
6526                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
6527                         reply_len = -1;
6528         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
6529                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
6530                         reply_len = -1;
6531         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
6532                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
6533                         reply_len = -1;
6534         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
6535                 if (get_anqp(wpa_s, buf + 9) < 0)
6536                         reply_len = -1;
6537         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
6538                 if (gas_request(wpa_s, buf + 12) < 0)
6539                         reply_len = -1;
6540         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
6541                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
6542                                              reply_size);
6543 #endif /* CONFIG_INTERWORKING */
6544 #ifdef CONFIG_HS20
6545         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
6546                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
6547                         reply_len = -1;
6548         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
6549                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
6550                         reply_len = -1;
6551         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
6552                 if (hs20_icon_request(wpa_s, buf + 18) < 0)
6553                         reply_len = -1;
6554         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
6555                 if (hs20_fetch_osu(wpa_s) < 0)
6556                         reply_len = -1;
6557         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
6558                 hs20_cancel_fetch_osu(wpa_s);
6559 #endif /* CONFIG_HS20 */
6560         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
6561         {
6562                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
6563                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
6564                         reply_len = -1;
6565                 else {
6566                         /*
6567                          * Notify response from timeout to allow the control
6568                          * interface response to be sent first.
6569                          */
6570                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
6571                                                wpa_s, NULL);
6572                 }
6573         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
6574                 if (wpa_supplicant_reload_configuration(wpa_s))
6575                         reply_len = -1;
6576         } else if (os_strcmp(buf, "TERMINATE") == 0) {
6577                 wpa_supplicant_terminate_proc(wpa_s->global);
6578         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
6579                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
6580                         reply_len = -1;
6581         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
6582                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
6583                         wpa_s, buf + 9, reply, reply_size);
6584         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
6585                 reply_len = wpa_supplicant_ctrl_iface_log_level(
6586                         wpa_s, buf + 9, reply, reply_size);
6587         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
6588                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
6589                         wpa_s, reply, reply_size);
6590         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
6591 #ifdef CONFIG_SME
6592                 wpa_s->sme.prev_bssid_set = 0;
6593 #endif /* CONFIG_SME */
6594                 wpa_s->reassociate = 0;
6595                 wpa_s->disconnected = 1;
6596                 wpa_supplicant_cancel_sched_scan(wpa_s);
6597                 wpa_supplicant_cancel_scan(wpa_s);
6598                 wpa_supplicant_deauthenticate(wpa_s,
6599                                               WLAN_REASON_DEAUTH_LEAVING);
6600         } else if (os_strcmp(buf, "SCAN") == 0) {
6601                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
6602         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
6603                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
6604         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
6605                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
6606                         wpa_s, reply, reply_size);
6607         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
6608                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
6609                         reply_len = -1;
6610         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
6611                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
6612                         reply_len = -1;
6613         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
6614                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
6615                         reply_len = -1;
6616         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
6617                 reply_len = wpa_supplicant_ctrl_iface_add_network(
6618                         wpa_s, reply, reply_size);
6619         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
6620                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
6621                         reply_len = -1;
6622         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
6623                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
6624                         reply_len = -1;
6625         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
6626                 reply_len = wpa_supplicant_ctrl_iface_get_network(
6627                         wpa_s, buf + 12, reply, reply_size);
6628         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
6629                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12))
6630                         reply_len = -1;
6631         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
6632                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
6633                         wpa_s, reply, reply_size);
6634         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
6635                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
6636                         wpa_s, reply, reply_size);
6637         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
6638                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
6639                         reply_len = -1;
6640         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
6641                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
6642                         reply_len = -1;
6643         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
6644                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
6645                                                                reply,
6646                                                                reply_size);
6647 #ifndef CONFIG_NO_CONFIG_WRITE
6648         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
6649                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
6650                         reply_len = -1;
6651 #endif /* CONFIG_NO_CONFIG_WRITE */
6652         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
6653                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
6654                         wpa_s, buf + 15, reply, reply_size);
6655         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
6656                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
6657                         reply_len = -1;
6658         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
6659                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
6660                         reply_len = -1;
6661         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
6662                 reply_len = wpa_supplicant_global_iface_list(
6663                         wpa_s->global, reply, reply_size);
6664         } else if (os_strcmp(buf, "INTERFACES") == 0) {
6665                 reply_len = wpa_supplicant_global_iface_interfaces(
6666                         wpa_s->global, reply, reply_size);
6667         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
6668                 reply_len = wpa_supplicant_ctrl_iface_bss(
6669                         wpa_s, buf + 4, reply, reply_size);
6670 #ifdef CONFIG_AP
6671         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
6672                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
6673         } else if (os_strncmp(buf, "STA ", 4) == 0) {
6674                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
6675                                               reply_size);
6676         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
6677                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
6678                                                    reply_size);
6679         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
6680                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
6681                         reply_len = -1;
6682         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
6683                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
6684                         reply_len = -1;
6685         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
6686                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
6687                         reply_len = -1;
6688 #endif /* CONFIG_AP */
6689         } else if (os_strcmp(buf, "SUSPEND") == 0) {
6690                 wpas_notify_suspend(wpa_s->global);
6691         } else if (os_strcmp(buf, "RESUME") == 0) {
6692                 wpas_notify_resume(wpa_s->global);
6693 #ifdef CONFIG_TESTING_OPTIONS
6694         } else if (os_strcmp(buf, "DROP_SA") == 0) {
6695                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
6696 #endif /* CONFIG_TESTING_OPTIONS */
6697         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
6698                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
6699                         reply_len = -1;
6700         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
6701                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
6702                         reply_len = -1;
6703         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
6704                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
6705                         reply_len = -1;
6706         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
6707                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
6708                                                                buf + 17))
6709                         reply_len = -1;
6710         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
6711                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
6712                         reply_len = -1;
6713 #ifdef CONFIG_TDLS
6714         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
6715                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
6716                         reply_len = -1;
6717         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
6718                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
6719                         reply_len = -1;
6720         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
6721                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
6722                         reply_len = -1;
6723 #endif /* CONFIG_TDLS */
6724         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
6725                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
6726                                                        reply_size);
6727         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
6728                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
6729                                                        reply_size);
6730 #ifdef CONFIG_AUTOSCAN
6731         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
6732                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
6733                         reply_len = -1;
6734 #endif /* CONFIG_AUTOSCAN */
6735 #ifdef ANDROID
6736         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
6737                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
6738                                                       reply_size);
6739 #endif /* ANDROID */
6740         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
6741                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
6742                                                       reply_size);
6743         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
6744                 pmksa_cache_clear_current(wpa_s->wpa);
6745                 eapol_sm_request_reauth(wpa_s->eapol);
6746 #ifdef CONFIG_WNM
6747         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
6748                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
6749                         reply_len = -1;
6750         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 10) == 0) {
6751                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 10))
6752                                 reply_len = -1;
6753 #endif /* CONFIG_WNM */
6754         } else if (os_strcmp(buf, "FLUSH") == 0) {
6755                 wpa_supplicant_ctrl_iface_flush(wpa_s);
6756         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
6757                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
6758                                                  reply_size);
6759 #ifdef CONFIG_TESTING_OPTIONS
6760         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
6761                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
6762                         reply_len = -1;
6763         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
6764                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
6765         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
6766                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
6767                         reply_len = -1;
6768 #endif /* CONFIG_TESTING_OPTIONS */
6769         } else {
6770                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
6771                 reply_len = 16;
6772         }
6773
6774         if (reply_len < 0) {
6775                 os_memcpy(reply, "FAIL\n", 5);
6776                 reply_len = 5;
6777         }
6778
6779         *resp_len = reply_len;
6780         return reply;
6781 }
6782
6783
6784 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
6785                                            char *cmd)
6786 {
6787         struct wpa_interface iface;
6788         char *pos;
6789
6790         /*
6791          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
6792          * TAB<bridge_ifname>
6793          */
6794         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
6795
6796         os_memset(&iface, 0, sizeof(iface));
6797
6798         do {
6799                 iface.ifname = pos = cmd;
6800                 pos = os_strchr(pos, '\t');
6801                 if (pos)
6802                         *pos++ = '\0';
6803                 if (iface.ifname[0] == '\0')
6804                         return -1;
6805                 if (pos == NULL)
6806                         break;
6807
6808                 iface.confname = pos;
6809                 pos = os_strchr(pos, '\t');
6810                 if (pos)
6811                         *pos++ = '\0';
6812                 if (iface.confname[0] == '\0')
6813                         iface.confname = NULL;
6814                 if (pos == NULL)
6815                         break;
6816
6817                 iface.driver = pos;
6818                 pos = os_strchr(pos, '\t');
6819                 if (pos)
6820                         *pos++ = '\0';
6821                 if (iface.driver[0] == '\0')
6822                         iface.driver = NULL;
6823                 if (pos == NULL)
6824                         break;
6825
6826                 iface.ctrl_interface = pos;
6827                 pos = os_strchr(pos, '\t');
6828                 if (pos)
6829                         *pos++ = '\0';
6830                 if (iface.ctrl_interface[0] == '\0')
6831                         iface.ctrl_interface = NULL;
6832                 if (pos == NULL)
6833                         break;
6834
6835                 iface.driver_param = pos;
6836                 pos = os_strchr(pos, '\t');
6837                 if (pos)
6838                         *pos++ = '\0';
6839                 if (iface.driver_param[0] == '\0')
6840                         iface.driver_param = NULL;
6841                 if (pos == NULL)
6842                         break;
6843
6844                 iface.bridge_ifname = pos;
6845                 pos = os_strchr(pos, '\t');
6846                 if (pos)
6847                         *pos++ = '\0';
6848                 if (iface.bridge_ifname[0] == '\0')
6849                         iface.bridge_ifname = NULL;
6850                 if (pos == NULL)
6851                         break;
6852         } while (0);
6853
6854         if (wpa_supplicant_get_iface(global, iface.ifname))
6855                 return -1;
6856
6857         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
6858 }
6859
6860
6861 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
6862                                               char *cmd)
6863 {
6864         struct wpa_supplicant *wpa_s;
6865
6866         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
6867
6868         wpa_s = wpa_supplicant_get_iface(global, cmd);
6869         if (wpa_s == NULL)
6870                 return -1;
6871         return wpa_supplicant_remove_iface(global, wpa_s, 0);
6872 }
6873
6874
6875 static void wpa_free_iface_info(struct wpa_interface_info *iface)
6876 {
6877         struct wpa_interface_info *prev;
6878
6879         while (iface) {
6880                 prev = iface;
6881                 iface = iface->next;
6882
6883                 os_free(prev->ifname);
6884                 os_free(prev->desc);
6885                 os_free(prev);
6886         }
6887 }
6888
6889
6890 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
6891                                             char *buf, int len)
6892 {
6893         int i, res;
6894         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
6895         char *pos, *end;
6896
6897         for (i = 0; wpa_drivers[i]; i++) {
6898                 struct wpa_driver_ops *drv = wpa_drivers[i];
6899                 if (drv->get_interfaces == NULL)
6900                         continue;
6901                 tmp = drv->get_interfaces(global->drv_priv[i]);
6902                 if (tmp == NULL)
6903                         continue;
6904
6905                 if (last == NULL)
6906                         iface = last = tmp;
6907                 else
6908                         last->next = tmp;
6909                 while (last->next)
6910                         last = last->next;
6911         }
6912
6913         pos = buf;
6914         end = buf + len;
6915         for (tmp = iface; tmp; tmp = tmp->next) {
6916                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
6917                                   tmp->drv_name, tmp->ifname,
6918                                   tmp->desc ? tmp->desc : "");
6919                 if (res < 0 || res >= end - pos) {
6920                         *pos = '\0';
6921                         break;
6922                 }
6923                 pos += res;
6924         }
6925
6926         wpa_free_iface_info(iface);
6927
6928         return pos - buf;
6929 }
6930
6931
6932 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
6933                                                   char *buf, int len)
6934 {
6935         int res;
6936         char *pos, *end;
6937         struct wpa_supplicant *wpa_s;
6938
6939         wpa_s = global->ifaces;
6940         pos = buf;
6941         end = buf + len;
6942
6943         while (wpa_s) {
6944                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
6945                 if (res < 0 || res >= end - pos) {
6946                         *pos = '\0';
6947                         break;
6948                 }
6949                 pos += res;
6950                 wpa_s = wpa_s->next;
6951         }
6952         return pos - buf;
6953 }
6954
6955
6956 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
6957                                             const char *ifname,
6958                                             char *cmd, size_t *resp_len)
6959 {
6960         struct wpa_supplicant *wpa_s;
6961
6962         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6963                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
6964                         break;
6965         }
6966
6967         if (wpa_s == NULL) {
6968                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
6969                 if (resp)
6970                         *resp_len = os_strlen(resp);
6971                 else
6972                         *resp_len = 1;
6973                 return resp;
6974         }
6975
6976         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
6977 }
6978
6979
6980 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
6981                                                char *buf, size_t *resp_len)
6982 {
6983 #ifdef CONFIG_P2P
6984         static const char * cmd[] = {
6985                 "LIST_NETWORKS",
6986                 "P2P_FIND",
6987                 "P2P_STOP_FIND",
6988                 "P2P_LISTEN",
6989                 "P2P_GROUP_ADD",
6990                 "P2P_GET_PASSPHRASE",
6991                 "P2P_SERVICE_UPDATE",
6992                 "P2P_SERVICE_FLUSH",
6993                 "P2P_FLUSH",
6994                 "P2P_CANCEL",
6995                 "P2P_PRESENCE_REQ",
6996                 "P2P_EXT_LISTEN",
6997                 NULL
6998         };
6999         static const char * prefix[] = {
7000 #ifdef ANDROID
7001                 "DRIVER ",
7002 #endif /* ANDROID */
7003                 "GET_NETWORK ",
7004                 "REMOVE_NETWORK ",
7005                 "P2P_FIND ",
7006                 "P2P_CONNECT ",
7007                 "P2P_LISTEN ",
7008                 "P2P_GROUP_REMOVE ",
7009                 "P2P_GROUP_ADD ",
7010                 "P2P_PROV_DISC ",
7011                 "P2P_SERV_DISC_REQ ",
7012                 "P2P_SERV_DISC_CANCEL_REQ ",
7013                 "P2P_SERV_DISC_RESP ",
7014                 "P2P_SERV_DISC_EXTERNAL ",
7015                 "P2P_SERVICE_ADD ",
7016                 "P2P_SERVICE_DEL ",
7017                 "P2P_REJECT ",
7018                 "P2P_INVITE ",
7019                 "P2P_PEER ",
7020                 "P2P_SET ",
7021                 "P2P_UNAUTHORIZE ",
7022                 "P2P_PRESENCE_REQ ",
7023                 "P2P_EXT_LISTEN ",
7024                 "P2P_REMOVE_CLIENT ",
7025                 "NFC_GET_HANDOVER_SEL ",
7026                 "NFC_GET_HANDOVER_REQ ",
7027                 "NFC_REPORT_HANDOVER ",
7028                 NULL
7029         };
7030         int found = 0;
7031         int i;
7032
7033         if (global->p2p_init_wpa_s == NULL)
7034                 return NULL;
7035
7036         for (i = 0; !found && cmd[i]; i++) {
7037                 if (os_strcmp(buf, cmd[i]) == 0)
7038                         found = 1;
7039         }
7040
7041         for (i = 0; !found && prefix[i]; i++) {
7042                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
7043                         found = 1;
7044         }
7045
7046         if (found)
7047                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
7048                                                          buf, resp_len);
7049 #endif /* CONFIG_P2P */
7050         return NULL;
7051 }
7052
7053
7054 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
7055                                                char *buf, size_t *resp_len)
7056 {
7057 #ifdef CONFIG_WIFI_DISPLAY
7058         if (global->p2p_init_wpa_s == NULL)
7059                 return NULL;
7060         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
7061             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
7062                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
7063                                                          buf, resp_len);
7064 #endif /* CONFIG_WIFI_DISPLAY */
7065         return NULL;
7066 }
7067
7068
7069 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
7070                                            char *buf, size_t *resp_len)
7071 {
7072         char *ret;
7073
7074         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
7075         if (ret)
7076                 return ret;
7077
7078         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
7079         if (ret)
7080                 return ret;
7081
7082         return NULL;
7083 }
7084
7085
7086 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
7087 {
7088         char *value;
7089
7090         value = os_strchr(cmd, ' ');
7091         if (value == NULL)
7092                 return -1;
7093         *value++ = '\0';
7094
7095         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
7096
7097 #ifdef CONFIG_WIFI_DISPLAY
7098         if (os_strcasecmp(cmd, "wifi_display") == 0) {
7099                 wifi_display_enable(global, !!atoi(value));
7100                 return 0;
7101         }
7102 #endif /* CONFIG_WIFI_DISPLAY */
7103
7104         /* Restore cmd to its original value to allow redirection */
7105         value[-1] = ' ';
7106
7107         return -1;
7108 }
7109
7110
7111 #ifndef CONFIG_NO_CONFIG_WRITE
7112 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
7113 {
7114         int ret = 0, saved = 0;
7115         struct wpa_supplicant *wpa_s;
7116
7117         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
7118                 if (!wpa_s->conf->update_config) {
7119                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
7120                         continue;
7121                 }
7122
7123                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
7124                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
7125                         ret = 1;
7126                 } else {
7127                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
7128                         saved++;
7129                 }
7130         }
7131
7132         if (!saved && !ret) {
7133                 wpa_dbg(wpa_s, MSG_DEBUG,
7134                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
7135                 ret = 1;
7136         }
7137
7138         return ret;
7139 }
7140 #endif /* CONFIG_NO_CONFIG_WRITE */
7141
7142
7143 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
7144                                          char *buf, size_t buflen)
7145 {
7146         char *pos, *end;
7147         int ret;
7148         struct wpa_supplicant *wpa_s;
7149
7150         pos = buf;
7151         end = buf + buflen;
7152
7153 #ifdef CONFIG_P2P
7154         if (global->p2p && !global->p2p_disabled) {
7155                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
7156                                   "\n"
7157                                   "p2p_state=%s\n",
7158                                   MAC2STR(global->p2p_dev_addr),
7159                                   p2p_get_state_txt(global->p2p));
7160                 if (ret < 0 || ret >= end - pos)
7161                         return pos - buf;
7162                 pos += ret;
7163         } else if (global->p2p) {
7164                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
7165                 if (ret < 0 || ret >= end - pos)
7166                         return pos - buf;
7167                 pos += ret;
7168         }
7169 #endif /* CONFIG_P2P */
7170
7171 #ifdef CONFIG_WIFI_DISPLAY
7172         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
7173                           !!global->wifi_display);
7174         if (ret < 0 || ret >= end - pos)
7175                 return pos - buf;
7176         pos += ret;
7177 #endif /* CONFIG_WIFI_DISPLAY */
7178
7179         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
7180                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
7181                                   "address=" MACSTR "\n",
7182                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
7183                 if (ret < 0 || ret >= end - pos)
7184                         return pos - buf;
7185                 pos += ret;
7186         }
7187
7188         return pos - buf;
7189 }
7190
7191
7192 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
7193                                                 char *buf, size_t *resp_len)
7194 {
7195         char *reply;
7196         const int reply_size = 2048;
7197         int reply_len;
7198         int level = MSG_DEBUG;
7199
7200         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
7201                 char *pos = os_strchr(buf + 7, ' ');
7202                 if (pos) {
7203                         *pos++ = '\0';
7204                         return wpas_global_ctrl_iface_ifname(global,
7205                                                              buf + 7, pos,
7206                                                              resp_len);
7207                 }
7208         }
7209
7210         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
7211         if (reply)
7212                 return reply;
7213
7214         if (os_strcmp(buf, "PING") == 0)
7215                 level = MSG_EXCESSIVE;
7216         wpa_hexdump_ascii(level, "RX global ctrl_iface",
7217                           (const u8 *) buf, os_strlen(buf));
7218
7219         reply = os_malloc(reply_size);
7220         if (reply == NULL) {
7221                 *resp_len = 1;
7222                 return NULL;
7223         }
7224
7225         os_memcpy(reply, "OK\n", 3);
7226         reply_len = 3;
7227
7228         if (os_strcmp(buf, "PING") == 0) {
7229                 os_memcpy(reply, "PONG\n", 5);
7230                 reply_len = 5;
7231         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
7232                 if (wpa_supplicant_global_iface_add(global, buf + 14))
7233                         reply_len = -1;
7234         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
7235                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
7236                         reply_len = -1;
7237         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
7238                 reply_len = wpa_supplicant_global_iface_list(
7239                         global, reply, reply_size);
7240         } else if (os_strcmp(buf, "INTERFACES") == 0) {
7241                 reply_len = wpa_supplicant_global_iface_interfaces(
7242                         global, reply, reply_size);
7243         } else if (os_strcmp(buf, "TERMINATE") == 0) {
7244                 wpa_supplicant_terminate_proc(global);
7245         } else if (os_strcmp(buf, "SUSPEND") == 0) {
7246                 wpas_notify_suspend(global);
7247         } else if (os_strcmp(buf, "RESUME") == 0) {
7248                 wpas_notify_resume(global);
7249         } else if (os_strncmp(buf, "SET ", 4) == 0) {
7250                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
7251 #ifdef CONFIG_P2P
7252                         if (global->p2p_init_wpa_s) {
7253                                 os_free(reply);
7254                                 /* Check if P2P redirection would work for this
7255                                  * command. */
7256                                 return wpa_supplicant_ctrl_iface_process(
7257                                         global->p2p_init_wpa_s,
7258                                         buf, resp_len);
7259                         }
7260 #endif /* CONFIG_P2P */
7261                         reply_len = -1;
7262                 }
7263 #ifndef CONFIG_NO_CONFIG_WRITE
7264         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
7265                 if (wpas_global_ctrl_iface_save_config(global))
7266                         reply_len = -1;
7267 #endif /* CONFIG_NO_CONFIG_WRITE */
7268         } else if (os_strcmp(buf, "STATUS") == 0) {
7269                 reply_len = wpas_global_ctrl_iface_status(global, reply,
7270                                                           reply_size);
7271 #ifdef CONFIG_MODULE_TESTS
7272         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
7273                 int wpas_module_tests(void);
7274                 if (wpas_module_tests() < 0)
7275                         reply_len = -1;
7276 #endif /* CONFIG_MODULE_TESTS */
7277         } else {
7278                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
7279                 reply_len = 16;
7280         }
7281
7282         if (reply_len < 0) {
7283                 os_memcpy(reply, "FAIL\n", 5);
7284                 reply_len = 5;
7285         }
7286
7287         *resp_len = reply_len;
7288         return reply;
7289 }