wpa_supplicant/ctrl_iface.c

   1 /*
   2  * WPA Supplicant / Control interface (shared code for all backends)
   3  * Copyright (c) 2004-2012, 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 "common/version.h"
  14 #include "common/ieee802_11_defs.h"
  15 #include "common/ieee802_11_common.h"
  16 #include "common/wpa_ctrl.h"
  17 #include "eap_peer/eap.h"
  18 #include "eapol_supp/eapol_supp_sm.h"
  19 #include "rsn_supp/wpa.h"
  20 #include "rsn_supp/preauth.h"
  21 #include "rsn_supp/pmksa_cache.h"
  22 #include "l2_packet/l2_packet.h"
  23 #include "wps/wps.h"
  24 #include "config.h"
  25 #include "wpa_supplicant_i.h"
  26 #include "driver_i.h"
  27 #include "wps_supplicant.h"
  28 #include "ibss_rsn.h"
  29 #include "ap.h"
  30 #include "p2p_supplicant.h"
  31 #include "p2p/p2p.h"
  32 #include "hs20_supplicant.h"
  33 #include "wifi_display.h"
  34 #include "notify.h"
  35 #include "bss.h"
  36 #include "scan.h"
  37 #include "ctrl_iface.h"
  38 #include "interworking.h"
  39 #include "blacklist.h"
  40 #include "wpas_glue.h"
  41 #include "autoscan.h"
  42
  43 extern struct wpa_driver_ops *wpa_drivers[];
  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
  50
  51 static int pno_start(struct wpa_supplicant *wpa_s)
  52 {
  53         int ret;
  54         size_t i, num_ssid;
  55         struct wpa_ssid *ssid;
  56         struct wpa_driver_scan_params params;
  57
  58         if (wpa_s->pno)
  59                 return 0;
  60
  61         os_memset(&params, 0, sizeof(params));
  62
  63         num_ssid = 0;
  64         ssid = wpa_s->conf->ssid;
  65         while (ssid) {
  66                 if (!wpas_network_disabled(wpa_s, ssid))
  67                         num_ssid++;
  68                 ssid = ssid->next;
  69         }
  70         if (num_ssid > WPAS_MAX_SCAN_SSIDS) {
  71                 wpa_printf(MSG_DEBUG, "PNO: Use only the first %u SSIDs from "
  72                            "%u", WPAS_MAX_SCAN_SSIDS, (unsigned int) num_ssid);
  73                 num_ssid = WPAS_MAX_SCAN_SSIDS;
  74         }
  75
  76         if (num_ssid == 0) {
  77                 wpa_printf(MSG_DEBUG, "PNO: No configured SSIDs");
  78                 return -1;
  79         }
  80
  81         params.filter_ssids = os_malloc(sizeof(struct wpa_driver_scan_filter) *
  82                                         num_ssid);
  83         if (params.filter_ssids == NULL)
  84                 return -1;
  85         i = 0;
  86         ssid = wpa_s->conf->ssid;
  87         while (ssid) {
  88                 if (!wpas_network_disabled(wpa_s, ssid)) {
  89                         params.ssids[i].ssid = ssid->ssid;
  90                         params.ssids[i].ssid_len = ssid->ssid_len;
  91                         params.num_ssids++;
  92                         os_memcpy(params.filter_ssids[i].ssid, ssid->ssid,
  93                                   ssid->ssid_len);
  94                         params.filter_ssids[i].ssid_len = ssid->ssid_len;
  95                         params.num_filter_ssids++;
  96                         i++;
  97                         if (i == num_ssid)
  98                                 break;
  99                 }
 100                 ssid = ssid->next;
 101         }
 102
 103         if (wpa_s->conf->filter_rssi)
 104                 params.filter_rssi = wpa_s->conf->filter_rssi;
 105
 106         ret = wpa_drv_sched_scan(wpa_s, &params, 10 * 1000);
 107         os_free(params.filter_ssids);
 108         if (ret == 0)
 109                 wpa_s->pno = 1;
 110         return ret;
 111 }
 112
 113
 114 static int pno_stop(struct wpa_supplicant *wpa_s)
 115 {
 116         if (wpa_s->pno) {
 117                 wpa_s->pno = 0;
 118                 return wpa_drv_stop_sched_scan(wpa_s);
 119         }
 120         return 0;
 121 }
 122
 123
 124 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
 125 {
 126         char *pos;
 127         u8 addr[ETH_ALEN], *filter = NULL, *n;
 128         size_t count = 0;
 129
 130         pos = val;
 131         while (pos) {
 132                 if (*pos == '\0')
 133                         break;
 134                 if (hwaddr_aton(pos, addr)) {
 135                         os_free(filter);
 136                         return -1;
 137                 }
 138                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
 139                 if (n == NULL) {
 140                         os_free(filter);
 141                         return -1;
 142                 }
 143                 filter = n;
 144                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
 145                 count++;
 146
 147                 pos = os_strchr(pos, ' ');
 148                 if (pos)
 149                         pos++;
 150         }
 151
 152         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
 153         os_free(wpa_s->bssid_filter);
 154         wpa_s->bssid_filter = filter;
 155         wpa_s->bssid_filter_count = count;
 156
 157         return 0;
 158 }
 159
 160
 161 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
 162                                          char *cmd)
 163 {
 164         char *value;
 165         int ret = 0;
 166
 167         value = os_strchr(cmd, ' ');
 168         if (value == NULL)
 169                 return -1;
 170         *value++ = '\0';
 171
 172         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
 173         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
 174                 eapol_sm_configure(wpa_s->eapol,
 175                                    atoi(value), -1, -1, -1);
 176         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
 177                 eapol_sm_configure(wpa_s->eapol,
 178                                    -1, atoi(value), -1, -1);
 179         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
 180                 eapol_sm_configure(wpa_s->eapol,
 181                                    -1, -1, atoi(value), -1);
 182         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
 183                 eapol_sm_configure(wpa_s->eapol,
 184                                    -1, -1, -1, atoi(value));
 185         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
 186                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
 187                                      atoi(value)))
 188                         ret = -1;
 189         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
 190                    0) {
 191                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
 192                                      atoi(value)))
 193                         ret = -1;
 194         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
 195                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
 196                         ret = -1;
 197         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
 198                 wpa_s->wps_fragment_size = atoi(value);
 199 #ifdef CONFIG_WPS_TESTING
 200         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
 201                 long int val;
 202                 val = strtol(value, NULL, 0);
 203                 if (val < 0 || val > 0xff) {
 204                         ret = -1;
 205                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
 206                                    "wps_version_number %ld", val);
 207                 } else {
 208                         wps_version_number = val;
 209                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
 210                                    "version %u.%u",
 211                                    (wps_version_number & 0xf0) >> 4,
 212                                    wps_version_number & 0x0f);
 213                 }
 214         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
 215                 wps_testing_dummy_cred = atoi(value);
 216                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
 217                            wps_testing_dummy_cred);
 218 #endif /* CONFIG_WPS_TESTING */
 219         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
 220                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
 221                         ret = -1;
 222 #ifdef CONFIG_TDLS_TESTING
 223         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
 224                 extern unsigned int tdls_testing;
 225                 tdls_testing = strtol(value, NULL, 0);
 226                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
 227 #endif /* CONFIG_TDLS_TESTING */
 228 #ifdef CONFIG_TDLS
 229         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
 230                 int disabled = atoi(value);
 231                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
 232                 if (disabled) {
 233                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
 234                                 ret = -1;
 235                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
 236                         ret = -1;
 237                 wpa_tdls_enable(wpa_s->wpa, !disabled);
 238 #endif /* CONFIG_TDLS */
 239         } else if (os_strcasecmp(cmd, "pno") == 0) {
 240                 if (atoi(value))
 241                         ret = pno_start(wpa_s);
 242                 else
 243                         ret = pno_stop(wpa_s);
 244         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
 245                 int disabled = atoi(value);
 246                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
 247                         ret = -1;
 248                 else if (disabled)
 249                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
 250         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
 251                 if (os_strcmp(value, "disable") == 0)
 252                         wpa_s->set_sta_uapsd = 0;
 253                 else {
 254                         int be, bk, vi, vo;
 255                         char *pos;
 256                         /* format: BE,BK,VI,VO;max SP Length */
 257                         be = atoi(value);
 258                         pos = os_strchr(value, ',');
 259                         if (pos == NULL)
 260                                 return -1;
 261                         pos++;
 262                         bk = atoi(pos);
 263                         pos = os_strchr(pos, ',');
 264                         if (pos == NULL)
 265                                 return -1;
 266                         pos++;
 267                         vi = atoi(pos);
 268                         pos = os_strchr(pos, ',');
 269                         if (pos == NULL)
 270                                 return -1;
 271                         pos++;
 272                         vo = atoi(pos);
 273                         /* ignore max SP Length for now */
 274
 275                         wpa_s->set_sta_uapsd = 1;
 276                         wpa_s->sta_uapsd = 0;
 277                         if (be)
 278                                 wpa_s->sta_uapsd |= BIT(0);
 279                         if (bk)
 280                                 wpa_s->sta_uapsd |= BIT(1);
 281                         if (vi)
 282                                 wpa_s->sta_uapsd |= BIT(2);
 283                         if (vo)
 284                                 wpa_s->sta_uapsd |= BIT(3);
 285                 }
 286         } else if (os_strcasecmp(cmd, "ps") == 0) {
 287                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
 288 #ifdef CONFIG_WIFI_DISPLAY
 289         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 290                 wifi_display_enable(wpa_s->global, !!atoi(value));
 291 #endif /* CONFIG_WIFI_DISPLAY */
 292         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
 293                 ret = set_bssid_filter(wpa_s, value);
 294         } else {
 295                 value[-1] = '=';
 296                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
 297                 if (ret == 0)
 298                         wpa_supplicant_update_config(wpa_s);
 299         }
 300
 301         return ret;
 302 }
 303
 304
 305 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
 306                                          char *cmd, char *buf, size_t buflen)
 307 {
 308         int res = -1;
 309
 310         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
 311
 312         if (os_strcmp(cmd, "version") == 0) {
 313                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
 314         } else if (os_strcasecmp(cmd, "country") == 0) {
 315                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
 316                         res = os_snprintf(buf, buflen, "%c%c",
 317                                           wpa_s->conf->country[0],
 318                                           wpa_s->conf->country[1]);
 319 #ifdef CONFIG_WIFI_DISPLAY
 320         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 321                 res = os_snprintf(buf, buflen, "%d",
 322                                   wpa_s->global->wifi_display);
 323                 if (res < 0 || (unsigned int) res >= buflen)
 324                         return -1;
 325                 return res;
 326 #endif /* CONFIG_WIFI_DISPLAY */
 327         }
 328
 329         if (res < 0 || (unsigned int) res >= buflen)
 330                 return -1;
 331         return res;
 332 }
 333
 334
 335 #ifdef IEEE8021X_EAPOL
 336 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
 337                                              char *addr)
 338 {
 339         u8 bssid[ETH_ALEN];
 340         struct wpa_ssid *ssid = wpa_s->current_ssid;
 341
 342         if (hwaddr_aton(addr, bssid)) {
 343                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
 344                            "'%s'", addr);
 345                 return -1;
 346         }
 347
 348         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
 349         rsn_preauth_deinit(wpa_s->wpa);
 350         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
 351                 return -1;
 352
 353         return 0;
 354 }
 355 #endif /* IEEE8021X_EAPOL */
 356
 357
 358 #ifdef CONFIG_PEERKEY
 359 /* MLME-STKSTART.request(peer) */
 360 static int wpa_supplicant_ctrl_iface_stkstart(
 361         struct wpa_supplicant *wpa_s, char *addr)
 362 {
 363         u8 peer[ETH_ALEN];
 364
 365         if (hwaddr_aton(addr, peer)) {
 366                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
 367                            "address '%s'", addr);
 368                 return -1;
 369         }
 370
 371         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
 372                    MAC2STR(peer));
 373
 374         return wpa_sm_stkstart(wpa_s->wpa, peer);
 375 }
 376 #endif /* CONFIG_PEERKEY */
 377
 378
 379 #ifdef CONFIG_TDLS
 380
 381 static int wpa_supplicant_ctrl_iface_tdls_discover(
 382         struct wpa_supplicant *wpa_s, char *addr)
 383 {
 384         u8 peer[ETH_ALEN];
 385         int ret;
 386
 387         if (hwaddr_aton(addr, peer)) {
 388                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
 389                            "address '%s'", addr);
 390                 return -1;
 391         }
 392
 393         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
 394                    MAC2STR(peer));
 395
 396         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 397                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
 398         else
 399                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
 400
 401         return ret;
 402 }
 403
 404
 405 static int wpa_supplicant_ctrl_iface_tdls_setup(
 406         struct wpa_supplicant *wpa_s, char *addr)
 407 {
 408         u8 peer[ETH_ALEN];
 409         int ret;
 410
 411         if (hwaddr_aton(addr, peer)) {
 412                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
 413                            "address '%s'", addr);
 414                 return -1;
 415         }
 416
 417         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
 418                    MAC2STR(peer));
 419
 420         ret = wpa_tdls_reneg(wpa_s->wpa, peer);
 421         if (ret) {
 422                 if (wpa_tdls_is_external_setup(wpa_s->wpa))
 423                         ret = wpa_tdls_start(wpa_s->wpa, peer);
 424                 else
 425                         ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 426         }
 427
 428         return ret;
 429 }
 430
 431
 432 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 433         struct wpa_supplicant *wpa_s, char *addr)
 434 {
 435         u8 peer[ETH_ALEN];
 436
 437         if (hwaddr_aton(addr, peer)) {
 438                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 439                            "address '%s'", addr);
 440                 return -1;
 441         }
 442
 443         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 444                    MAC2STR(peer));
 445
 446         return wpa_tdls_teardown_link(wpa_s->wpa, peer,
 447                                       WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 448 }
 449
 450 #endif /* CONFIG_TDLS */
 451
 452
 453 #ifdef CONFIG_IEEE80211R
 454 static int wpa_supplicant_ctrl_iface_ft_ds(
 455         struct wpa_supplicant *wpa_s, char *addr)
 456 {
 457         u8 target_ap[ETH_ALEN];
 458         struct wpa_bss *bss;
 459         const u8 *mdie;
 460
 461         if (hwaddr_aton(addr, target_ap)) {
 462                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 463                            "address '%s'", addr);
 464                 return -1;
 465         }
 466
 467         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 468
 469         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 470         if (bss)
 471                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 472         else
 473                 mdie = NULL;
 474
 475         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 476 }
 477 #endif /* CONFIG_IEEE80211R */
 478
 479
 480 #ifdef CONFIG_WPS
 481 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 482                                              char *cmd)
 483 {
 484         u8 bssid[ETH_ALEN], *_bssid = bssid;
 485 #ifdef CONFIG_P2P
 486         u8 p2p_dev_addr[ETH_ALEN];
 487 #endif /* CONFIG_P2P */
 488 #ifdef CONFIG_AP
 489         u8 *_p2p_dev_addr = NULL;
 490 #endif /* CONFIG_AP */
 491
 492         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 493                 _bssid = NULL;
 494 #ifdef CONFIG_P2P
 495         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 496                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 497                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 498                                    "P2P Device Address '%s'",
 499                                    cmd + 13);
 500                         return -1;
 501                 }
 502                 _p2p_dev_addr = p2p_dev_addr;
 503 #endif /* CONFIG_P2P */
 504         } else if (hwaddr_aton(cmd, bssid)) {
 505                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 506                            cmd);
 507                 return -1;
 508         }
 509
 510 #ifdef CONFIG_AP
 511         if (wpa_s->ap_iface)
 512                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 513 #endif /* CONFIG_AP */
 514
 515         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 516 }
 517
 518
 519 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 520                                              char *cmd, char *buf,
 521                                              size_t buflen)
 522 {
 523         u8 bssid[ETH_ALEN], *_bssid = bssid;
 524         char *pin;
 525         int ret;
 526
 527         pin = os_strchr(cmd, ' ');
 528         if (pin)
 529                 *pin++ = '\0';
 530
 531         if (os_strcmp(cmd, "any") == 0)
 532                 _bssid = NULL;
 533         else if (os_strcmp(cmd, "get") == 0) {
 534                 ret = wps_generate_pin();
 535                 goto done;
 536         } else if (hwaddr_aton(cmd, bssid)) {
 537                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 538                            cmd);
 539                 return -1;
 540         }
 541
 542 #ifdef CONFIG_AP
 543         if (wpa_s->ap_iface)
 544                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 545                                                  buf, buflen);
 546 #endif /* CONFIG_AP */
 547
 548         if (pin) {
 549                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 550                                          DEV_PW_DEFAULT);
 551                 if (ret < 0)
 552                         return -1;
 553                 ret = os_snprintf(buf, buflen, "%s", pin);
 554                 if (ret < 0 || (size_t) ret >= buflen)
 555                         return -1;
 556                 return ret;
 557         }
 558
 559         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 560         if (ret < 0)
 561                 return -1;
 562
 563 done:
 564         /* Return the generated PIN */
 565         ret = os_snprintf(buf, buflen, "%08d", ret);
 566         if (ret < 0 || (size_t) ret >= buflen)
 567                 return -1;
 568         return ret;
 569 }
 570
 571
 572 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 573         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 574 {
 575         char pin[9];
 576         size_t len;
 577         char *pos;
 578         int ret;
 579
 580         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
 581                               (u8 *) cmd, os_strlen(cmd));
 582         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
 583                 if (*pos < '0' || *pos > '9')
 584                         continue;
 585                 pin[len++] = *pos;
 586                 if (len == 9) {
 587                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
 588                         return -1;
 589                 }
 590         }
 591         if (len != 4 && len != 8) {
 592                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
 593                 return -1;
 594         }
 595         pin[len] = '\0';
 596
 597         if (len == 8) {
 598                 unsigned int pin_val;
 599                 pin_val = atoi(pin);
 600                 if (!wps_pin_valid(pin_val)) {
 601                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
 602                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
 603                         if (ret < 0 || (size_t) ret >= buflen)
 604                                 return -1;
 605                         return ret;
 606                 }
 607         }
 608
 609         ret = os_snprintf(buf, buflen, "%s", pin);
 610         if (ret < 0 || (size_t) ret >= buflen)
 611                 return -1;
 612
 613         return ret;
 614 }
 615
 616
 617 #ifdef CONFIG_WPS_OOB
 618 static int wpa_supplicant_ctrl_iface_wps_oob(struct wpa_supplicant *wpa_s,
 619                                              char *cmd)
 620 {
 621         char *path, *method, *name;
 622
 623         path = os_strchr(cmd, ' ');
 624         if (path == NULL)
 625                 return -1;
 626         *path++ = '\0';
 627
 628         method = os_strchr(path, ' ');
 629         if (method == NULL)
 630                 return -1;
 631         *method++ = '\0';
 632
 633         name = os_strchr(method, ' ');
 634         if (name != NULL)
 635                 *name++ = '\0';
 636
 637         return wpas_wps_start_oob(wpa_s, cmd, path, method, name);
 638 }
 639 #endif /* CONFIG_WPS_OOB */
 640
 641
 642 #ifdef CONFIG_WPS_NFC
 643
 644 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
 645                                              char *cmd)
 646 {
 647         u8 bssid[ETH_ALEN], *_bssid = bssid;
 648
 649         if (cmd == NULL || cmd[0] == '\0')
 650                 _bssid = NULL;
 651         else if (hwaddr_aton(cmd, bssid))
 652                 return -1;
 653
 654         return wpas_wps_start_nfc(wpa_s, _bssid);
 655 }
 656
 657
 658 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
 659         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 660 {
 661         int ndef;
 662         struct wpabuf *buf;
 663         int res;
 664
 665         if (os_strcmp(cmd, "WPS") == 0)
 666                 ndef = 0;
 667         else if (os_strcmp(cmd, "NDEF") == 0)
 668                 ndef = 1;
 669         else
 670                 return -1;
 671
 672         buf = wpas_wps_nfc_token(wpa_s, ndef);
 673         if (buf == NULL)
 674                 return -1;
 675
 676         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 677                                          wpabuf_len(buf));
 678         reply[res++] = '\n';
 679         reply[res] = '\0';
 680
 681         wpabuf_free(buf);
 682
 683         return res;
 684 }
 685
 686
 687 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
 688         struct wpa_supplicant *wpa_s, char *pos)
 689 {
 690         size_t len;
 691         struct wpabuf *buf;
 692         int ret;
 693
 694         len = os_strlen(pos);
 695         if (len & 0x01)
 696                 return -1;
 697         len /= 2;
 698
 699         buf = wpabuf_alloc(len);
 700         if (buf == NULL)
 701                 return -1;
 702         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
 703                 wpabuf_free(buf);
 704                 return -1;
 705         }
 706
 707         ret = wpas_wps_nfc_tag_read(wpa_s, buf);
 708         wpabuf_free(buf);
 709
 710         return ret;
 711 }
 712
 713 #endif /* CONFIG_WPS_NFC */
 714
 715
 716 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
 717                                              char *cmd)
 718 {
 719         u8 bssid[ETH_ALEN];
 720         char *pin;
 721         char *new_ssid;
 722         char *new_auth;
 723         char *new_encr;
 724         char *new_key;
 725         struct wps_new_ap_settings ap;
 726
 727         pin = os_strchr(cmd, ' ');
 728         if (pin == NULL)
 729                 return -1;
 730         *pin++ = '\0';
 731
 732         if (hwaddr_aton(cmd, bssid)) {
 733                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
 734                            cmd);
 735                 return -1;
 736         }
 737
 738         new_ssid = os_strchr(pin, ' ');
 739         if (new_ssid == NULL)
 740                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
 741         *new_ssid++ = '\0';
 742
 743         new_auth = os_strchr(new_ssid, ' ');
 744         if (new_auth == NULL)
 745                 return -1;
 746         *new_auth++ = '\0';
 747
 748         new_encr = os_strchr(new_auth, ' ');
 749         if (new_encr == NULL)
 750                 return -1;
 751         *new_encr++ = '\0';
 752
 753         new_key = os_strchr(new_encr, ' ');
 754         if (new_key == NULL)
 755                 return -1;
 756         *new_key++ = '\0';
 757
 758         os_memset(&ap, 0, sizeof(ap));
 759         ap.ssid_hex = new_ssid;
 760         ap.auth = new_auth;
 761         ap.encr = new_encr;
 762         ap.key_hex = new_key;
 763         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
 764 }
 765
 766
 767 #ifdef CONFIG_AP
 768 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
 769                                                 char *cmd, char *buf,
 770                                                 size_t buflen)
 771 {
 772         int timeout = 300;
 773         char *pos;
 774         const char *pin_txt;
 775
 776         if (!wpa_s->ap_iface)
 777                 return -1;
 778
 779         pos = os_strchr(cmd, ' ');
 780         if (pos)
 781                 *pos++ = '\0';
 782
 783         if (os_strcmp(cmd, "disable") == 0) {
 784                 wpas_wps_ap_pin_disable(wpa_s);
 785                 return os_snprintf(buf, buflen, "OK\n");
 786         }
 787
 788         if (os_strcmp(cmd, "random") == 0) {
 789                 if (pos)
 790                         timeout = atoi(pos);
 791                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
 792                 if (pin_txt == NULL)
 793                         return -1;
 794                 return os_snprintf(buf, buflen, "%s", pin_txt);
 795         }
 796
 797         if (os_strcmp(cmd, "get") == 0) {
 798                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
 799                 if (pin_txt == NULL)
 800                         return -1;
 801                 return os_snprintf(buf, buflen, "%s", pin_txt);
 802         }
 803
 804         if (os_strcmp(cmd, "set") == 0) {
 805                 char *pin;
 806                 if (pos == NULL)
 807                         return -1;
 808                 pin = pos;
 809                 pos = os_strchr(pos, ' ');
 810                 if (pos) {
 811                         *pos++ = '\0';
 812                         timeout = atoi(pos);
 813                 }
 814                 if (os_strlen(pin) > buflen)
 815                         return -1;
 816                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
 817                         return -1;
 818                 return os_snprintf(buf, buflen, "%s", pin);
 819         }
 820
 821         return -1;
 822 }
 823 #endif /* CONFIG_AP */
 824
 825
 826 #ifdef CONFIG_WPS_ER
 827 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
 828                                                 char *cmd)
 829 {
 830         char *uuid = cmd, *pin, *pos;
 831         u8 addr_buf[ETH_ALEN], *addr = NULL;
 832         pin = os_strchr(uuid, ' ');
 833         if (pin == NULL)
 834                 return -1;
 835         *pin++ = '\0';
 836         pos = os_strchr(pin, ' ');
 837         if (pos) {
 838                 *pos++ = '\0';
 839                 if (hwaddr_aton(pos, addr_buf) == 0)
 840                         addr = addr_buf;
 841         }
 842         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
 843 }
 844
 845
 846 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
 847                                                   char *cmd)
 848 {
 849         char *uuid = cmd, *pin;
 850         pin = os_strchr(uuid, ' ');
 851         if (pin == NULL)
 852                 return -1;
 853         *pin++ = '\0';
 854         return wpas_wps_er_learn(wpa_s, uuid, pin);
 855 }
 856
 857
 858 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
 859         struct wpa_supplicant *wpa_s, char *cmd)
 860 {
 861         char *uuid = cmd, *id;
 862         id = os_strchr(uuid, ' ');
 863         if (id == NULL)
 864                 return -1;
 865         *id++ = '\0';
 866         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
 867 }
 868
 869
 870 static int wpa_supplicant_ctrl_iface_wps_er_config(
 871         struct wpa_supplicant *wpa_s, char *cmd)
 872 {
 873         char *pin;
 874         char *new_ssid;
 875         char *new_auth;
 876         char *new_encr;
 877         char *new_key;
 878         struct wps_new_ap_settings ap;
 879
 880         pin = os_strchr(cmd, ' ');
 881         if (pin == NULL)
 882                 return -1;
 883         *pin++ = '\0';
 884
 885         new_ssid = os_strchr(pin, ' ');
 886         if (new_ssid == NULL)
 887                 return -1;
 888         *new_ssid++ = '\0';
 889
 890         new_auth = os_strchr(new_ssid, ' ');
 891         if (new_auth == NULL)
 892                 return -1;
 893         *new_auth++ = '\0';
 894
 895         new_encr = os_strchr(new_auth, ' ');
 896         if (new_encr == NULL)
 897                 return -1;
 898         *new_encr++ = '\0';
 899
 900         new_key = os_strchr(new_encr, ' ');
 901         if (new_key == NULL)
 902                 return -1;
 903         *new_key++ = '\0';
 904
 905         os_memset(&ap, 0, sizeof(ap));
 906         ap.ssid_hex = new_ssid;
 907         ap.auth = new_auth;
 908         ap.encr = new_encr;
 909         ap.key_hex = new_key;
 910         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
 911 }
 912
 913
 914 #ifdef CONFIG_WPS_NFC
 915 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
 916         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 917 {
 918         int ndef;
 919         struct wpabuf *buf;
 920         int res;
 921         char *uuid;
 922
 923         uuid = os_strchr(cmd, ' ');
 924         if (uuid == NULL)
 925                 return -1;
 926         *uuid++ = '\0';
 927
 928         if (os_strcmp(cmd, "WPS") == 0)
 929                 ndef = 0;
 930         else if (os_strcmp(cmd, "NDEF") == 0)
 931                 ndef = 1;
 932         else
 933                 return -1;
 934
 935         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
 936         if (buf == NULL)
 937                 return -1;
 938
 939         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 940                                          wpabuf_len(buf));
 941         reply[res++] = '\n';
 942         reply[res] = '\0';
 943
 944         wpabuf_free(buf);
 945
 946         return res;
 947 }
 948 #endif /* CONFIG_WPS_NFC */
 949 #endif /* CONFIG_WPS_ER */
 950
 951 #endif /* CONFIG_WPS */
 952
 953
 954 #ifdef CONFIG_IBSS_RSN
 955 static int wpa_supplicant_ctrl_iface_ibss_rsn(
 956         struct wpa_supplicant *wpa_s, char *addr)
 957 {
 958         u8 peer[ETH_ALEN];
 959
 960         if (hwaddr_aton(addr, peer)) {
 961                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
 962                            "address '%s'", addr);
 963                 return -1;
 964         }
 965
 966         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
 967                    MAC2STR(peer));
 968
 969         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
 970 }
 971 #endif /* CONFIG_IBSS_RSN */
 972
 973
 974 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
 975                                               char *rsp)
 976 {
 977 #ifdef IEEE8021X_EAPOL
 978         char *pos, *id_pos;
 979         int id;
 980         struct wpa_ssid *ssid;
 981
 982         pos = os_strchr(rsp, '-');
 983         if (pos == NULL)
 984                 return -1;
 985         *pos++ = '\0';
 986         id_pos = pos;
 987         pos = os_strchr(pos, ':');
 988         if (pos == NULL)
 989                 return -1;
 990         *pos++ = '\0';
 991         id = atoi(id_pos);
 992         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
 993         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
 994                               (u8 *) pos, os_strlen(pos));
 995
 996         ssid = wpa_config_get_network(wpa_s->conf, id);
 997         if (ssid == NULL) {
 998                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
 999                            "to update", id);
1000                 return -1;
1001         }
1002
1003         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1004                                                          pos);
1005 #else /* IEEE8021X_EAPOL */
1006         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1007         return -1;
1008 #endif /* IEEE8021X_EAPOL */
1009 }
1010
1011
1012 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1013                                             const char *params,
1014                                             char *buf, size_t buflen)
1015 {
1016         char *pos, *end, tmp[30];
1017         int res, verbose, wps, ret;
1018
1019         verbose = os_strcmp(params, "-VERBOSE") == 0;
1020         wps = os_strcmp(params, "-WPS") == 0;
1021         pos = buf;
1022         end = buf + buflen;
1023         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1024                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1025                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1026                                   MAC2STR(wpa_s->bssid));
1027                 if (ret < 0 || ret >= end - pos)
1028                         return pos - buf;
1029                 pos += ret;
1030                 if (ssid) {
1031                         u8 *_ssid = ssid->ssid;
1032                         size_t ssid_len = ssid->ssid_len;
1033                         u8 ssid_buf[MAX_SSID_LEN];
1034                         if (ssid_len == 0) {
1035                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1036                                 if (_res < 0)
1037                                         ssid_len = 0;
1038                                 else
1039                                         ssid_len = _res;
1040                                 _ssid = ssid_buf;
1041                         }
1042                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1043                                           wpa_ssid_txt(_ssid, ssid_len),
1044                                           ssid->id);
1045                         if (ret < 0 || ret >= end - pos)
1046                                 return pos - buf;
1047                         pos += ret;
1048
1049                         if (wps && ssid->passphrase &&
1050                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1051                             (ssid->mode == WPAS_MODE_AP ||
1052                              ssid->mode == WPAS_MODE_P2P_GO)) {
1053                                 ret = os_snprintf(pos, end - pos,
1054                                                   "passphrase=%s\n",
1055                                                   ssid->passphrase);
1056                                 if (ret < 0 || ret >= end - pos)
1057                                         return pos - buf;
1058                                 pos += ret;
1059                         }
1060                         if (ssid->id_str) {
1061                                 ret = os_snprintf(pos, end - pos,
1062                                                   "id_str=%s\n",
1063                                                   ssid->id_str);
1064                                 if (ret < 0 || ret >= end - pos)
1065                                         return pos - buf;
1066                                 pos += ret;
1067                         }
1068
1069                         switch (ssid->mode) {
1070                         case WPAS_MODE_INFRA:
1071                                 ret = os_snprintf(pos, end - pos,
1072                                                   "mode=station\n");
1073                                 break;
1074                         case WPAS_MODE_IBSS:
1075                                 ret = os_snprintf(pos, end - pos,
1076                                                   "mode=IBSS\n");
1077                                 break;
1078                         case WPAS_MODE_AP:
1079                                 ret = os_snprintf(pos, end - pos,
1080                                                   "mode=AP\n");
1081                                 break;
1082                         case WPAS_MODE_P2P_GO:
1083                                 ret = os_snprintf(pos, end - pos,
1084                                                   "mode=P2P GO\n");
1085                                 break;
1086                         case WPAS_MODE_P2P_GROUP_FORMATION:
1087                                 ret = os_snprintf(pos, end - pos,
1088                                                   "mode=P2P GO - group "
1089                                                   "formation\n");
1090                                 break;
1091                         default:
1092                                 ret = 0;
1093                                 break;
1094                         }
1095                         if (ret < 0 || ret >= end - pos)
1096                                 return pos - buf;
1097                         pos += ret;
1098                 }
1099
1100 #ifdef CONFIG_AP
1101                 if (wpa_s->ap_iface) {
1102                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1103                                                             end - pos,
1104                                                             verbose);
1105                 } else
1106 #endif /* CONFIG_AP */
1107                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1108         }
1109         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1110                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1111         if (ret < 0 || ret >= end - pos)
1112                 return pos - buf;
1113         pos += ret;
1114
1115         if (wpa_s->l2 &&
1116             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1117                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1118                 if (ret < 0 || ret >= end - pos)
1119                         return pos - buf;
1120                 pos += ret;
1121         }
1122
1123 #ifdef CONFIG_P2P
1124         if (wpa_s->global->p2p) {
1125                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1126                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1127                 if (ret < 0 || ret >= end - pos)
1128                         return pos - buf;
1129                 pos += ret;
1130         }
1131 #endif /* CONFIG_P2P */
1132
1133         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1134                           MAC2STR(wpa_s->own_addr));
1135         if (ret < 0 || ret >= end - pos)
1136                 return pos - buf;
1137         pos += ret;
1138
1139 #ifdef CONFIG_HS20
1140         if (wpa_s->current_bss &&
1141             wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE) &&
1142             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1143             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1144                 ret = os_snprintf(pos, end - pos, "hs20=1\n");
1145                 if (ret < 0 || ret >= end - pos)
1146                         return pos - buf;
1147                 pos += ret;
1148         }
1149 #endif /* CONFIG_HS20 */
1150
1151         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1152             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1153                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1154                                           verbose);
1155                 if (res >= 0)
1156                         pos += res;
1157         }
1158
1159         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1160         if (res >= 0)
1161                 pos += res;
1162
1163         return pos - buf;
1164 }
1165
1166
1167 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1168                                            char *cmd)
1169 {
1170         char *pos;
1171         int id;
1172         struct wpa_ssid *ssid;
1173         u8 bssid[ETH_ALEN];
1174
1175         /* cmd: "<network id> <BSSID>" */
1176         pos = os_strchr(cmd, ' ');
1177         if (pos == NULL)
1178                 return -1;
1179         *pos++ = '\0';
1180         id = atoi(cmd);
1181         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1182         if (hwaddr_aton(pos, bssid)) {
1183                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1184                 return -1;
1185         }
1186
1187         ssid = wpa_config_get_network(wpa_s->conf, id);
1188         if (ssid == NULL) {
1189                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1190                            "to update", id);
1191                 return -1;
1192         }
1193
1194         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1195         ssid->bssid_set = !is_zero_ether_addr(bssid);
1196
1197         return 0;
1198 }
1199
1200
1201 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1202                                                char *cmd, char *buf,
1203                                                size_t buflen)
1204 {
1205         u8 bssid[ETH_ALEN];
1206         struct wpa_blacklist *e;
1207         char *pos, *end;
1208         int ret;
1209
1210         /* cmd: "BLACKLIST [<BSSID>]" */
1211         if (*cmd == '\0') {
1212                 pos = buf;
1213                 end = buf + buflen;
1214                 e = wpa_s->blacklist;
1215                 while (e) {
1216                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1217                                           MAC2STR(e->bssid));
1218                         if (ret < 0 || ret >= end - pos)
1219                                 return pos - buf;
1220                         pos += ret;
1221                         e = e->next;
1222                 }
1223                 return pos - buf;
1224         }
1225
1226         cmd++;
1227         if (os_strncmp(cmd, "clear", 5) == 0) {
1228                 wpa_blacklist_clear(wpa_s);
1229                 os_memcpy(buf, "OK\n", 3);
1230                 return 3;
1231         }
1232
1233         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1234         if (hwaddr_aton(cmd, bssid)) {
1235                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1236                 return -1;
1237         }
1238
1239         /*
1240          * Add the BSSID twice, so its count will be 2, causing it to be
1241          * skipped when processing scan results.
1242          */
1243         ret = wpa_blacklist_add(wpa_s, bssid);
1244         if (ret != 0)
1245                 return -1;
1246         ret = wpa_blacklist_add(wpa_s, bssid);
1247         if (ret != 0)
1248                 return -1;
1249         os_memcpy(buf, "OK\n", 3);
1250         return 3;
1251 }
1252
1253
1254 extern int wpa_debug_level;
1255 extern int wpa_debug_timestamp;
1256
1257 static const char * debug_level_str(int level)
1258 {
1259         switch (level) {
1260         case MSG_EXCESSIVE:
1261                 return "EXCESSIVE";
1262         case MSG_MSGDUMP:
1263                 return "MSGDUMP";
1264         case MSG_DEBUG:
1265                 return "DEBUG";
1266         case MSG_INFO:
1267                 return "INFO";
1268         case MSG_WARNING:
1269                 return "WARNING";
1270         case MSG_ERROR:
1271                 return "ERROR";
1272         default:
1273                 return "?";
1274         }
1275 }
1276
1277
1278 static int str_to_debug_level(const char *s)
1279 {
1280         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1281                 return MSG_EXCESSIVE;
1282         if (os_strcasecmp(s, "MSGDUMP") == 0)
1283                 return MSG_MSGDUMP;
1284         if (os_strcasecmp(s, "DEBUG") == 0)
1285                 return MSG_DEBUG;
1286         if (os_strcasecmp(s, "INFO") == 0)
1287                 return MSG_INFO;
1288         if (os_strcasecmp(s, "WARNING") == 0)
1289                 return MSG_WARNING;
1290         if (os_strcasecmp(s, "ERROR") == 0)
1291                 return MSG_ERROR;
1292         return -1;
1293 }
1294
1295
1296 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1297                                                char *cmd, char *buf,
1298                                                size_t buflen)
1299 {
1300         char *pos, *end, *stamp;
1301         int ret;
1302
1303         if (cmd == NULL) {
1304                 return -1;
1305         }
1306
1307         /* cmd: "LOG_LEVEL [<level>]" */
1308         if (*cmd == '\0') {
1309                 pos = buf;
1310                 end = buf + buflen;
1311                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1312                                   "Timestamp: %d\n",
1313                                   debug_level_str(wpa_debug_level),
1314                                   wpa_debug_timestamp);
1315                 if (ret < 0 || ret >= end - pos)
1316                         ret = 0;
1317
1318                 return ret;
1319         }
1320
1321         while (*cmd == ' ')
1322                 cmd++;
1323
1324         stamp = os_strchr(cmd, ' ');
1325         if (stamp) {
1326                 *stamp++ = '\0';
1327                 while (*stamp == ' ') {
1328                         stamp++;
1329                 }
1330         }
1331
1332         if (cmd && os_strlen(cmd)) {
1333                 int level = str_to_debug_level(cmd);
1334                 if (level < 0)
1335                         return -1;
1336                 wpa_debug_level = level;
1337         }
1338
1339         if (stamp && os_strlen(stamp))
1340                 wpa_debug_timestamp = atoi(stamp);
1341
1342         os_memcpy(buf, "OK\n", 3);
1343         return 3;
1344 }
1345
1346
1347 static int wpa_supplicant_ctrl_iface_list_networks(
1348         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1349 {
1350         char *pos, *end;
1351         struct wpa_ssid *ssid;
1352         int ret;
1353
1354         pos = buf;
1355         end = buf + buflen;
1356         ret = os_snprintf(pos, end - pos,
1357                           "network id / ssid / bssid / flags\n");
1358         if (ret < 0 || ret >= end - pos)
1359                 return pos - buf;
1360         pos += ret;
1361
1362         ssid = wpa_s->conf->ssid;
1363         while (ssid) {
1364                 ret = os_snprintf(pos, end - pos, "%d\t%s",
1365                                   ssid->id,
1366                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1367                 if (ret < 0 || ret >= end - pos)
1368                         return pos - buf;
1369                 pos += ret;
1370                 if (ssid->bssid_set) {
1371                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1372                                           MAC2STR(ssid->bssid));
1373                 } else {
1374                         ret = os_snprintf(pos, end - pos, "\tany");
1375                 }
1376                 if (ret < 0 || ret >= end - pos)
1377                         return pos - buf;
1378                 pos += ret;
1379                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
1380                                   ssid == wpa_s->current_ssid ?
1381                                   "[CURRENT]" : "",
1382                                   ssid->disabled ? "[DISABLED]" : "",
1383                                   ssid->disabled_until.sec ?
1384                                   "[TEMP-DISABLED]" : "",
1385                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1386                                   "");
1387                 if (ret < 0 || ret >= end - pos)
1388                         return pos - buf;
1389                 pos += ret;
1390                 ret = os_snprintf(pos, end - pos, "\n");
1391                 if (ret < 0 || ret >= end - pos)
1392                         return pos - buf;
1393                 pos += ret;
1394
1395                 ssid = ssid->next;
1396         }
1397
1398         return pos - buf;
1399 }
1400
1401
1402 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1403 {
1404         int first = 1, ret;
1405         ret = os_snprintf(pos, end - pos, "-");
1406         if (ret < 0 || ret >= end - pos)
1407                 return pos;
1408         pos += ret;
1409         if (cipher & WPA_CIPHER_NONE) {
1410                 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : "+");
1411                 if (ret < 0 || ret >= end - pos)
1412                         return pos;
1413                 pos += ret;
1414                 first = 0;
1415         }
1416         if (cipher & WPA_CIPHER_WEP40) {
1417                 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : "+");
1418                 if (ret < 0 || ret >= end - pos)
1419                         return pos;
1420                 pos += ret;
1421                 first = 0;
1422         }
1423         if (cipher & WPA_CIPHER_WEP104) {
1424                 ret = os_snprintf(pos, end - pos, "%sWEP104",
1425                                   first ? "" : "+");
1426                 if (ret < 0 || ret >= end - pos)
1427                         return pos;
1428                 pos += ret;
1429                 first = 0;
1430         }
1431         if (cipher & WPA_CIPHER_TKIP) {
1432                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : "+");
1433                 if (ret < 0 || ret >= end - pos)
1434                         return pos;
1435                 pos += ret;
1436                 first = 0;
1437         }
1438         if (cipher & WPA_CIPHER_CCMP) {
1439                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : "+");
1440                 if (ret < 0 || ret >= end - pos)
1441                         return pos;
1442                 pos += ret;
1443                 first = 0;
1444         }
1445         if (cipher & WPA_CIPHER_GCMP) {
1446                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : "+");
1447                 if (ret < 0 || ret >= end - pos)
1448                         return pos;
1449                 pos += ret;
1450                 first = 0;
1451         }
1452         return pos;
1453 }
1454
1455
1456 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1457                                     const u8 *ie, size_t ie_len)
1458 {
1459         struct wpa_ie_data data;
1460         int first, ret;
1461
1462         ret = os_snprintf(pos, end - pos, "[%s-", proto);
1463         if (ret < 0 || ret >= end - pos)
1464                 return pos;
1465         pos += ret;
1466
1467         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1468                 ret = os_snprintf(pos, end - pos, "?]");
1469                 if (ret < 0 || ret >= end - pos)
1470                         return pos;
1471                 pos += ret;
1472                 return pos;
1473         }
1474
1475         first = 1;
1476         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1477                 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1478                 if (ret < 0 || ret >= end - pos)
1479                         return pos;
1480                 pos += ret;
1481                 first = 0;
1482         }
1483         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1484                 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1485                 if (ret < 0 || ret >= end - pos)
1486                         return pos;
1487                 pos += ret;
1488                 first = 0;
1489         }
1490         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1491                 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1492                 if (ret < 0 || ret >= end - pos)
1493                         return pos;
1494                 pos += ret;
1495                 first = 0;
1496         }
1497 #ifdef CONFIG_IEEE80211R
1498         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1499                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1500                                   first ? "" : "+");
1501                 if (ret < 0 || ret >= end - pos)
1502                         return pos;
1503                 pos += ret;
1504                 first = 0;
1505         }
1506         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1507                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1508                                   first ? "" : "+");
1509                 if (ret < 0 || ret >= end - pos)
1510                         return pos;
1511                 pos += ret;
1512                 first = 0;
1513         }
1514 #endif /* CONFIG_IEEE80211R */
1515 #ifdef CONFIG_IEEE80211W
1516         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1517                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1518                                   first ? "" : "+");
1519                 if (ret < 0 || ret >= end - pos)
1520                         return pos;
1521                 pos += ret;
1522                 first = 0;
1523         }
1524         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1525                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1526                                   first ? "" : "+");
1527                 if (ret < 0 || ret >= end - pos)
1528                         return pos;
1529                 pos += ret;
1530                 first = 0;
1531         }
1532 #endif /* CONFIG_IEEE80211W */
1533
1534         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1535
1536         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1537                 ret = os_snprintf(pos, end - pos, "-preauth");
1538                 if (ret < 0 || ret >= end - pos)
1539                         return pos;
1540                 pos += ret;
1541         }
1542
1543         ret = os_snprintf(pos, end - pos, "]");
1544         if (ret < 0 || ret >= end - pos)
1545                 return pos;
1546         pos += ret;
1547
1548         return pos;
1549 }
1550
1551
1552 #ifdef CONFIG_WPS
1553 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
1554                                             char *pos, char *end,
1555                                             struct wpabuf *wps_ie)
1556 {
1557         int ret;
1558         const char *txt;
1559
1560         if (wps_ie == NULL)
1561                 return pos;
1562         if (wps_is_selected_pbc_registrar(wps_ie))
1563                 txt = "[WPS-PBC]";
1564 #ifdef CONFIG_WPS2
1565         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
1566                 txt = "[WPS-AUTH]";
1567 #endif /* CONFIG_WPS2 */
1568         else if (wps_is_selected_pin_registrar(wps_ie))
1569                 txt = "[WPS-PIN]";
1570         else
1571                 txt = "[WPS]";
1572
1573         ret = os_snprintf(pos, end - pos, "%s", txt);
1574         if (ret >= 0 && ret < end - pos)
1575                 pos += ret;
1576         wpabuf_free(wps_ie);
1577         return pos;
1578 }
1579 #endif /* CONFIG_WPS */
1580
1581
1582 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
1583                                         char *pos, char *end,
1584                                         const struct wpa_bss *bss)
1585 {
1586 #ifdef CONFIG_WPS
1587         struct wpabuf *wps_ie;
1588         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1589         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
1590 #else /* CONFIG_WPS */
1591         return pos;
1592 #endif /* CONFIG_WPS */
1593 }
1594
1595
1596 /* Format one result on one text line into a buffer. */
1597 static int wpa_supplicant_ctrl_iface_scan_result(
1598         struct wpa_supplicant *wpa_s,
1599         const struct wpa_bss *bss, char *buf, size_t buflen)
1600 {
1601         char *pos, *end;
1602         int ret;
1603         const u8 *ie, *ie2, *p2p;
1604
1605         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
1606         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
1607             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
1608             0)
1609                 return 0; /* Do not show P2P listen discovery results here */
1610
1611         pos = buf;
1612         end = buf + buflen;
1613
1614         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
1615                           MAC2STR(bss->bssid), bss->freq, bss->level);
1616         if (ret < 0 || ret >= end - pos)
1617                 return -1;
1618         pos += ret;
1619         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
1620         if (ie)
1621                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
1622         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
1623         if (ie2)
1624                 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
1625         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
1626         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
1627                 ret = os_snprintf(pos, end - pos, "[WEP]");
1628                 if (ret < 0 || ret >= end - pos)
1629                         return -1;
1630                 pos += ret;
1631         }
1632         if (bss->caps & IEEE80211_CAP_IBSS) {
1633                 ret = os_snprintf(pos, end - pos, "[IBSS]");
1634                 if (ret < 0 || ret >= end - pos)
1635                         return -1;
1636                 pos += ret;
1637         }
1638         if (bss->caps & IEEE80211_CAP_ESS) {
1639                 ret = os_snprintf(pos, end - pos, "[ESS]");
1640                 if (ret < 0 || ret >= end - pos)
1641                         return -1;
1642                 pos += ret;
1643         }
1644         if (p2p) {
1645                 ret = os_snprintf(pos, end - pos, "[P2P]");
1646                 if (ret < 0 || ret >= end - pos)
1647                         return -1;
1648                 pos += ret;
1649         }
1650 #ifdef CONFIG_HS20
1651         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
1652                 ret = os_snprintf(pos, end - pos, "[HS20]");
1653                 if (ret < 0 || ret >= end - pos)
1654                         return -1;
1655                 pos += ret;
1656         }
1657 #endif /* CONFIG_HS20 */
1658
1659         ret = os_snprintf(pos, end - pos, "\t%s",
1660                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
1661         if (ret < 0 || ret >= end - pos)
1662                 return -1;
1663         pos += ret;
1664
1665         ret = os_snprintf(pos, end - pos, "\n");
1666         if (ret < 0 || ret >= end - pos)
1667                 return -1;
1668         pos += ret;
1669
1670         return pos - buf;
1671 }
1672
1673
1674 static int wpa_supplicant_ctrl_iface_scan_results(
1675         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1676 {
1677         char *pos, *end;
1678         struct wpa_bss *bss;
1679         int ret;
1680
1681         pos = buf;
1682         end = buf + buflen;
1683         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
1684                           "flags / ssid\n");
1685         if (ret < 0 || ret >= end - pos)
1686                 return pos - buf;
1687         pos += ret;
1688
1689         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
1690                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
1691                                                             end - pos);
1692                 if (ret < 0 || ret >= end - pos)
1693                         return pos - buf;
1694                 pos += ret;
1695         }
1696
1697         return pos - buf;
1698 }
1699
1700
1701 static int wpa_supplicant_ctrl_iface_select_network(
1702         struct wpa_supplicant *wpa_s, char *cmd)
1703 {
1704         int id;
1705         struct wpa_ssid *ssid;
1706
1707         /* cmd: "<network id>" or "any" */
1708         if (os_strcmp(cmd, "any") == 0) {
1709                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
1710                 ssid = NULL;
1711         } else {
1712                 id = atoi(cmd);
1713                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
1714
1715                 ssid = wpa_config_get_network(wpa_s->conf, id);
1716                 if (ssid == NULL) {
1717                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
1718                                    "network id=%d", id);
1719                         return -1;
1720                 }
1721                 if (ssid->disabled == 2) {
1722                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
1723                                    "SELECT_NETWORK with persistent P2P group");
1724                         return -1;
1725                 }
1726         }
1727
1728         wpa_supplicant_select_network(wpa_s, ssid);
1729
1730         return 0;
1731 }
1732
1733
1734 static int wpa_supplicant_ctrl_iface_enable_network(
1735         struct wpa_supplicant *wpa_s, char *cmd)
1736 {
1737         int id;
1738         struct wpa_ssid *ssid;
1739
1740         /* cmd: "<network id>" or "all" */
1741         if (os_strcmp(cmd, "all") == 0) {
1742                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
1743                 ssid = NULL;
1744         } else {
1745                 id = atoi(cmd);
1746                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
1747
1748                 ssid = wpa_config_get_network(wpa_s->conf, id);
1749                 if (ssid == NULL) {
1750                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
1751                                    "network id=%d", id);
1752                         return -1;
1753                 }
1754                 if (ssid->disabled == 2) {
1755                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
1756                                    "ENABLE_NETWORK with persistent P2P group");
1757                         return -1;
1758                 }
1759
1760                 if (os_strstr(cmd, " no-connect")) {
1761                         ssid->disabled = 0;
1762                         return 0;
1763                 }
1764         }
1765         wpa_supplicant_enable_network(wpa_s, ssid);
1766
1767         return 0;
1768 }
1769
1770
1771 static int wpa_supplicant_ctrl_iface_disable_network(
1772         struct wpa_supplicant *wpa_s, char *cmd)
1773 {
1774         int id;
1775         struct wpa_ssid *ssid;
1776
1777         /* cmd: "<network id>" or "all" */
1778         if (os_strcmp(cmd, "all") == 0) {
1779                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
1780                 ssid = NULL;
1781         } else {
1782                 id = atoi(cmd);
1783                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
1784
1785                 ssid = wpa_config_get_network(wpa_s->conf, id);
1786                 if (ssid == NULL) {
1787                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
1788                                    "network id=%d", id);
1789                         return -1;
1790                 }
1791                 if (ssid->disabled == 2) {
1792                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
1793                                    "DISABLE_NETWORK with persistent P2P "
1794                                    "group");
1795                         return -1;
1796                 }
1797         }
1798         wpa_supplicant_disable_network(wpa_s, ssid);
1799
1800         return 0;
1801 }
1802
1803
1804 static int wpa_supplicant_ctrl_iface_add_network(
1805         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1806 {
1807         struct wpa_ssid *ssid;
1808         int ret;
1809
1810         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
1811
1812         ssid = wpa_config_add_network(wpa_s->conf);
1813         if (ssid == NULL)
1814                 return -1;
1815
1816         wpas_notify_network_added(wpa_s, ssid);
1817
1818         ssid->disabled = 1;
1819         wpa_config_set_network_defaults(ssid);
1820
1821         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
1822         if (ret < 0 || (size_t) ret >= buflen)
1823                 return -1;
1824         return ret;
1825 }
1826
1827
1828 static int wpa_supplicant_ctrl_iface_remove_network(
1829         struct wpa_supplicant *wpa_s, char *cmd)
1830 {
1831         int id;
1832         struct wpa_ssid *ssid;
1833
1834         /* cmd: "<network id>" or "all" */
1835         if (os_strcmp(cmd, "all") == 0) {
1836                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
1837                 ssid = wpa_s->conf->ssid;
1838                 while (ssid) {
1839                         struct wpa_ssid *remove_ssid = ssid;
1840                         id = ssid->id;
1841                         ssid = ssid->next;
1842                         wpas_notify_network_removed(wpa_s, remove_ssid);
1843                         wpa_config_remove_network(wpa_s->conf, id);
1844                 }
1845                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
1846                 if (wpa_s->current_ssid) {
1847 #ifdef CONFIG_SME
1848                         wpa_s->sme.prev_bssid_set = 0;
1849 #endif /* CONFIG_SME */
1850                         wpa_sm_set_config(wpa_s->wpa, NULL);
1851                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
1852                         wpa_supplicant_disassociate(wpa_s,
1853                                                     WLAN_REASON_DEAUTH_LEAVING);
1854                 }
1855                 return 0;
1856         }
1857
1858         id = atoi(cmd);
1859         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
1860
1861         ssid = wpa_config_get_network(wpa_s->conf, id);
1862         if (ssid)
1863                 wpas_notify_network_removed(wpa_s, ssid);
1864         if (ssid == NULL) {
1865                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
1866                            "id=%d", id);
1867                 return -1;
1868         }
1869
1870         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
1871 #ifdef CONFIG_SME
1872                 wpa_s->sme.prev_bssid_set = 0;
1873 #endif /* CONFIG_SME */
1874                 /*
1875                  * Invalidate the EAP session cache if the current or
1876                  * previously used network is removed.
1877                  */
1878                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
1879         }
1880
1881         if (ssid == wpa_s->current_ssid) {
1882                 wpa_sm_set_config(wpa_s->wpa, NULL);
1883                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
1884
1885                 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1886         }
1887
1888         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
1889                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
1890                            "network id=%d", id);
1891                 return -1;
1892         }
1893
1894         return 0;
1895 }
1896
1897
1898 static int wpa_supplicant_ctrl_iface_set_network(
1899         struct wpa_supplicant *wpa_s, char *cmd)
1900 {
1901         int id;
1902         struct wpa_ssid *ssid;
1903         char *name, *value;
1904
1905         /* cmd: "<network id> <variable name> <value>" */
1906         name = os_strchr(cmd, ' ');
1907         if (name == NULL)
1908                 return -1;
1909         *name++ = '\0';
1910
1911         value = os_strchr(name, ' ');
1912         if (value == NULL)
1913                 return -1;
1914         *value++ = '\0';
1915
1916         id = atoi(cmd);
1917         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
1918                    id, name);
1919         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1920                               (u8 *) value, os_strlen(value));
1921
1922         ssid = wpa_config_get_network(wpa_s->conf, id);
1923         if (ssid == NULL) {
1924                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
1925                            "id=%d", id);
1926                 return -1;
1927         }
1928
1929         if (wpa_config_set(ssid, name, value, 0) < 0) {
1930                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
1931                            "variable '%s'", name);
1932                 return -1;
1933         }
1934
1935         wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
1936
1937         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
1938                 /*
1939                  * Invalidate the EAP session cache if anything in the current
1940                  * or previously used configuration changes.
1941                  */
1942                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
1943         }
1944
1945         if ((os_strcmp(name, "psk") == 0 &&
1946              value[0] == '"' && ssid->ssid_len) ||
1947             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
1948                 wpa_config_update_psk(ssid);
1949         else if (os_strcmp(name, "priority") == 0)
1950                 wpa_config_update_prio_list(wpa_s->conf);
1951
1952         return 0;
1953 }
1954
1955
1956 static int wpa_supplicant_ctrl_iface_get_network(
1957         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
1958 {
1959         int id;
1960         size_t res;
1961         struct wpa_ssid *ssid;
1962         char *name, *value;
1963
1964         /* cmd: "<network id> <variable name>" */
1965         name = os_strchr(cmd, ' ');
1966         if (name == NULL || buflen == 0)
1967                 return -1;
1968         *name++ = '\0';
1969
1970         id = atoi(cmd);
1971         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
1972                    id, name);
1973
1974         ssid = wpa_config_get_network(wpa_s->conf, id);
1975         if (ssid == NULL) {
1976                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
1977                            "id=%d", id);
1978                 return -1;
1979         }
1980
1981         value = wpa_config_get_no_key(ssid, name);
1982         if (value == NULL) {
1983                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
1984                            "variable '%s'", name);
1985                 return -1;
1986         }
1987
1988         res = os_strlcpy(buf, value, buflen);
1989         if (res >= buflen) {
1990                 os_free(value);
1991                 return -1;
1992         }
1993
1994         os_free(value);
1995
1996         return res;
1997 }
1998
1999
2000 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2001                                                 char *buf, size_t buflen)
2002 {
2003         char *pos, *end;
2004         struct wpa_cred *cred;
2005         int ret;
2006
2007         pos = buf;
2008         end = buf + buflen;
2009         ret = os_snprintf(pos, end - pos,
2010                           "cred id / realm / username / domain / imsi\n");
2011         if (ret < 0 || ret >= end - pos)
2012                 return pos - buf;
2013         pos += ret;
2014
2015         cred = wpa_s->conf->cred;
2016         while (cred) {
2017                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2018                                   cred->id, cred->realm ? cred->realm : "",
2019                                   cred->username ? cred->username : "",
2020                                   cred->domain ? cred->domain : "",
2021                                   cred->imsi ? cred->imsi : "");
2022                 if (ret < 0 || ret >= end - pos)
2023                         return pos - buf;
2024                 pos += ret;
2025
2026                 cred = cred->next;
2027         }
2028
2029         return pos - buf;
2030 }
2031
2032
2033 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2034                                               char *buf, size_t buflen)
2035 {
2036         struct wpa_cred *cred;
2037         int ret;
2038
2039         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2040
2041         cred = wpa_config_add_cred(wpa_s->conf);
2042         if (cred == NULL)
2043                 return -1;
2044
2045         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2046         if (ret < 0 || (size_t) ret >= buflen)
2047                 return -1;
2048         return ret;
2049 }
2050
2051
2052 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2053                                                  char *cmd)
2054 {
2055         int id;
2056         struct wpa_cred *cred;
2057
2058         /* cmd: "<cred id>" or "all" */
2059         if (os_strcmp(cmd, "all") == 0) {
2060                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2061                 cred = wpa_s->conf->cred;
2062                 while (cred) {
2063                         id = cred->id;
2064                         cred = cred->next;
2065                         wpa_config_remove_cred(wpa_s->conf, id);
2066                 }
2067                 return 0;
2068         }
2069
2070         id = atoi(cmd);
2071         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2072
2073         cred = wpa_config_get_cred(wpa_s->conf, id);
2074         if (cred == NULL ||
2075             wpa_config_remove_cred(wpa_s->conf, id) < 0) {
2076                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2077                            id);
2078                 return -1;
2079         }
2080
2081         return 0;
2082 }
2083
2084
2085 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2086                                               char *cmd)
2087 {
2088         int id;
2089         struct wpa_cred *cred;
2090         char *name, *value;
2091
2092         /* cmd: "<cred id> <variable name> <value>" */
2093         name = os_strchr(cmd, ' ');
2094         if (name == NULL)
2095                 return -1;
2096         *name++ = '\0';
2097
2098         value = os_strchr(name, ' ');
2099         if (value == NULL)
2100                 return -1;
2101         *value++ = '\0';
2102
2103         id = atoi(cmd);
2104         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2105                    id, name);
2106         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2107                               (u8 *) value, os_strlen(value));
2108
2109         cred = wpa_config_get_cred(wpa_s->conf, id);
2110         if (cred == NULL) {
2111                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2112                            id);
2113                 return -1;
2114         }
2115
2116         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2117                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2118                            "variable '%s'", name);
2119                 return -1;
2120         }
2121
2122         return 0;
2123 }
2124
2125
2126 #ifndef CONFIG_NO_CONFIG_WRITE
2127 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2128 {
2129         int ret;
2130
2131         if (!wpa_s->conf->update_config) {
2132                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2133                            "to update configuration (update_config=0)");
2134                 return -1;
2135         }
2136
2137         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2138         if (ret) {
2139                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2140                            "update configuration");
2141         } else {
2142                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2143                            " updated");
2144         }
2145
2146         return ret;
2147 }
2148 #endif /* CONFIG_NO_CONFIG_WRITE */
2149
2150
2151 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2152                                               struct wpa_driver_capa *capa,
2153                                               char *buf, size_t buflen)
2154 {
2155         int ret, first = 1;
2156         char *pos, *end;
2157         size_t len;
2158
2159         pos = buf;
2160         end = pos + buflen;
2161
2162         if (res < 0) {
2163                 if (strict)
2164                         return 0;
2165                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2166                 if (len >= buflen)
2167                         return -1;
2168                 return len;
2169         }
2170
2171         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2172                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2173                 if (ret < 0 || ret >= end - pos)
2174                         return pos - buf;
2175                 pos += ret;
2176                 first = 0;
2177         }
2178
2179         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2180                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2181                 if (ret < 0 || ret >= end - pos)
2182                         return pos - buf;
2183                 pos += ret;
2184                 first = 0;
2185         }
2186
2187         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2188                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2189                 if (ret < 0 || ret >= end - pos)
2190                         return pos - buf;
2191                 pos += ret;
2192                 first = 0;
2193         }
2194
2195         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2196                 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
2197                 if (ret < 0 || ret >= end - pos)
2198                         return pos - buf;
2199                 pos += ret;
2200                 first = 0;
2201         }
2202
2203         return pos - buf;
2204 }
2205
2206
2207 static int ctrl_iface_get_capability_group(int res, char *strict,
2208                                            struct wpa_driver_capa *capa,
2209                                            char *buf, size_t buflen)
2210 {
2211         int ret, first = 1;
2212         char *pos, *end;
2213         size_t len;
2214
2215         pos = buf;
2216         end = pos + buflen;
2217
2218         if (res < 0) {
2219                 if (strict)
2220                         return 0;
2221                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2222                 if (len >= buflen)
2223                         return -1;
2224                 return len;
2225         }
2226
2227         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2228                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2229                 if (ret < 0 || ret >= end - pos)
2230                         return pos - buf;
2231                 pos += ret;
2232                 first = 0;
2233         }
2234
2235         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2236                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2237                 if (ret < 0 || ret >= end - pos)
2238                         return pos - buf;
2239                 pos += ret;
2240                 first = 0;
2241         }
2242
2243         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2244                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2245                 if (ret < 0 || ret >= end - pos)
2246                         return pos - buf;
2247                 pos += ret;
2248                 first = 0;
2249         }
2250
2251         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2252                 ret = os_snprintf(pos, end - pos, "%sWEP104",
2253                                   first ? "" : " ");
2254                 if (ret < 0 || ret >= end - pos)
2255                         return pos - buf;
2256                 pos += ret;
2257                 first = 0;
2258         }
2259
2260         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2261                 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
2262                 if (ret < 0 || ret >= end - pos)
2263                         return pos - buf;
2264                 pos += ret;
2265                 first = 0;
2266         }
2267
2268         return pos - buf;
2269 }
2270
2271
2272 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2273                                               struct wpa_driver_capa *capa,
2274                                               char *buf, size_t buflen)
2275 {
2276         int ret;
2277         char *pos, *end;
2278         size_t len;
2279
2280         pos = buf;
2281         end = pos + buflen;
2282
2283         if (res < 0) {
2284                 if (strict)
2285                         return 0;
2286                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2287                                  "NONE", buflen);
2288                 if (len >= buflen)
2289                         return -1;
2290                 return len;
2291         }
2292
2293         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2294         if (ret < 0 || ret >= end - pos)
2295                 return pos - buf;
2296         pos += ret;
2297
2298         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2299                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2300                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2301                 if (ret < 0 || ret >= end - pos)
2302                         return pos - buf;
2303                 pos += ret;
2304         }
2305
2306         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2307                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2308                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2309                 if (ret < 0 || ret >= end - pos)
2310                         return pos - buf;
2311                 pos += ret;
2312         }
2313
2314         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2315                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2316                 if (ret < 0 || ret >= end - pos)
2317                         return pos - buf;
2318                 pos += ret;
2319         }
2320
2321         return pos - buf;
2322 }
2323
2324
2325 static int ctrl_iface_get_capability_proto(int res, char *strict,
2326                                            struct wpa_driver_capa *capa,
2327                                            char *buf, size_t buflen)
2328 {
2329         int ret, first = 1;
2330         char *pos, *end;
2331         size_t len;
2332
2333         pos = buf;
2334         end = pos + buflen;
2335
2336         if (res < 0) {
2337                 if (strict)
2338                         return 0;
2339                 len = os_strlcpy(buf, "RSN WPA", buflen);
2340                 if (len >= buflen)
2341                         return -1;
2342                 return len;
2343         }
2344
2345         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2346                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2347                 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2348                 if (ret < 0 || ret >= end - pos)
2349                         return pos - buf;
2350                 pos += ret;
2351                 first = 0;
2352         }
2353
2354         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2355                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2356                 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2357                 if (ret < 0 || ret >= end - pos)
2358                         return pos - buf;
2359                 pos += ret;
2360                 first = 0;
2361         }
2362
2363         return pos - buf;
2364 }
2365
2366
2367 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2368                                               struct wpa_driver_capa *capa,
2369                                               char *buf, size_t buflen)
2370 {
2371         int ret, first = 1;
2372         char *pos, *end;
2373         size_t len;
2374
2375         pos = buf;
2376         end = pos + buflen;
2377
2378         if (res < 0) {
2379                 if (strict)
2380                         return 0;
2381                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2382                 if (len >= buflen)
2383                         return -1;
2384                 return len;
2385         }
2386
2387         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2388                 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2389                 if (ret < 0 || ret >= end - pos)
2390                         return pos - buf;
2391                 pos += ret;
2392                 first = 0;
2393         }
2394
2395         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2396                 ret = os_snprintf(pos, end - pos, "%sSHARED",
2397                                   first ? "" : " ");
2398                 if (ret < 0 || ret >= end - pos)
2399                         return pos - buf;
2400                 pos += ret;
2401                 first = 0;
2402         }
2403
2404         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2405                 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2406                 if (ret < 0 || ret >= end - pos)
2407                         return pos - buf;
2408                 pos += ret;
2409                 first = 0;
2410         }
2411
2412         return pos - buf;
2413 }
2414
2415
2416 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
2417                                               char *buf, size_t buflen)
2418 {
2419         struct hostapd_channel_data *chnl;
2420         int ret, i, j;
2421         char *pos, *end, *hmode;
2422
2423         pos = buf;
2424         end = pos + buflen;
2425
2426         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2427                 switch (wpa_s->hw.modes[j].mode) {
2428                 case HOSTAPD_MODE_IEEE80211B:
2429                         hmode = "B";
2430                         break;
2431                 case HOSTAPD_MODE_IEEE80211G:
2432                         hmode = "G";
2433                         break;
2434                 case HOSTAPD_MODE_IEEE80211A:
2435                         hmode = "A";
2436                         break;
2437                 default:
2438                         continue;
2439                 }
2440                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
2441                 if (ret < 0 || ret >= end - pos)
2442                         return pos - buf;
2443                 pos += ret;
2444                 chnl = wpa_s->hw.modes[j].channels;
2445                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2446                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2447                                 continue;
2448                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
2449                         if (ret < 0 || ret >= end - pos)
2450                                 return pos - buf;
2451                         pos += ret;
2452                 }
2453                 ret = os_snprintf(pos, end - pos, "\n");
2454                 if (ret < 0 || ret >= end - pos)
2455                         return pos - buf;
2456                 pos += ret;
2457         }
2458
2459         return pos - buf;
2460 }
2461
2462
2463 static int wpa_supplicant_ctrl_iface_get_capability(
2464         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
2465         size_t buflen)
2466 {
2467         struct wpa_driver_capa capa;
2468         int res;
2469         char *strict;
2470         char field[30];
2471         size_t len;
2472
2473         /* Determine whether or not strict checking was requested */
2474         len = os_strlcpy(field, _field, sizeof(field));
2475         if (len >= sizeof(field))
2476                 return -1;
2477         strict = os_strchr(field, ' ');
2478         if (strict != NULL) {
2479                 *strict++ = '\0';
2480                 if (os_strcmp(strict, "strict") != 0)
2481                         return -1;
2482         }
2483
2484         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
2485                 field, strict ? strict : "");
2486
2487         if (os_strcmp(field, "eap") == 0) {
2488                 return eap_get_names(buf, buflen);
2489         }
2490
2491         res = wpa_drv_get_capa(wpa_s, &capa);
2492
2493         if (os_strcmp(field, "pairwise") == 0)
2494                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
2495                                                           buf, buflen);
2496
2497         if (os_strcmp(field, "group") == 0)
2498                 return ctrl_iface_get_capability_group(res, strict, &capa,
2499                                                        buf, buflen);
2500
2501         if (os_strcmp(field, "key_mgmt") == 0)
2502                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
2503                                                           buf, buflen);
2504
2505         if (os_strcmp(field, "proto") == 0)
2506                 return ctrl_iface_get_capability_proto(res, strict, &capa,
2507                                                        buf, buflen);
2508
2509         if (os_strcmp(field, "auth_alg") == 0)
2510                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
2511                                                           buf, buflen);
2512
2513         if (os_strcmp(field, "channels") == 0)
2514                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
2515
2516         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
2517                    field);
2518
2519         return -1;
2520 }
2521
2522
2523 #ifdef CONFIG_INTERWORKING
2524 static char * anqp_add_hex(char *pos, char *end, const char *title,
2525                            struct wpabuf *data)
2526 {
2527         char *start = pos;
2528         size_t i;
2529         int ret;
2530         const u8 *d;
2531
2532         if (data == NULL)
2533                 return start;
2534
2535         ret = os_snprintf(pos, end - pos, "%s=", title);
2536         if (ret < 0 || ret >= end - pos)
2537                 return start;
2538         pos += ret;
2539
2540         d = wpabuf_head_u8(data);
2541         for (i = 0; i < wpabuf_len(data); i++) {
2542                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
2543                 if (ret < 0 || ret >= end - pos)
2544                         return start;
2545                 pos += ret;
2546         }
2547
2548         ret = os_snprintf(pos, end - pos, "\n");
2549         if (ret < 0 || ret >= end - pos)
2550                 return start;
2551         pos += ret;
2552
2553         return pos;
2554 }
2555 #endif /* CONFIG_INTERWORKING */
2556
2557
2558 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
2559                           unsigned long mask, char *buf, size_t buflen)
2560 {
2561         size_t i;
2562         int ret;
2563         char *pos, *end;
2564         const u8 *ie, *ie2;
2565
2566         pos = buf;
2567         end = buf + buflen;
2568
2569         if (mask & WPA_BSS_MASK_ID) {
2570                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
2571                 if (ret < 0 || ret >= end - pos)
2572                         return 0;
2573                 pos += ret;
2574         }
2575
2576         if (mask & WPA_BSS_MASK_BSSID) {
2577                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
2578                                   MAC2STR(bss->bssid));
2579                 if (ret < 0 || ret >= end - pos)
2580                         return 0;
2581                 pos += ret;
2582         }
2583
2584         if (mask & WPA_BSS_MASK_FREQ) {
2585                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
2586                 if (ret < 0 || ret >= end - pos)
2587                         return 0;
2588                 pos += ret;
2589         }
2590
2591         if (mask & WPA_BSS_MASK_BEACON_INT) {
2592                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
2593                                   bss->beacon_int);
2594                 if (ret < 0 || ret >= end - pos)
2595                         return 0;
2596                 pos += ret;
2597         }
2598
2599         if (mask & WPA_BSS_MASK_CAPABILITIES) {
2600                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
2601                                   bss->caps);
2602                 if (ret < 0 || ret >= end - pos)
2603                         return 0;
2604                 pos += ret;
2605         }
2606
2607         if (mask & WPA_BSS_MASK_QUAL) {
2608                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
2609                 if (ret < 0 || ret >= end - pos)
2610                         return 0;
2611                 pos += ret;
2612         }
2613
2614         if (mask & WPA_BSS_MASK_NOISE) {
2615                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
2616                 if (ret < 0 || ret >= end - pos)
2617                         return 0;
2618                 pos += ret;
2619         }
2620
2621         if (mask & WPA_BSS_MASK_LEVEL) {
2622                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
2623                 if (ret < 0 || ret >= end - pos)
2624                         return 0;
2625                 pos += ret;
2626         }
2627
2628         if (mask & WPA_BSS_MASK_TSF) {
2629                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
2630                                   (unsigned long long) bss->tsf);
2631                 if (ret < 0 || ret >= end - pos)
2632                         return 0;
2633                 pos += ret;
2634         }
2635
2636         if (mask & WPA_BSS_MASK_AGE) {
2637                 struct os_time now;
2638
2639                 os_get_time(&now);
2640                 ret = os_snprintf(pos, end - pos, "age=%d\n",
2641                                   (int) (now.sec - bss->last_update.sec));
2642                 if (ret < 0 || ret >= end - pos)
2643                         return 0;
2644                 pos += ret;
2645         }
2646
2647         if (mask & WPA_BSS_MASK_IE) {
2648                 ret = os_snprintf(pos, end - pos, "ie=");
2649                 if (ret < 0 || ret >= end - pos)
2650                         return 0;
2651                 pos += ret;
2652
2653                 ie = (const u8 *) (bss + 1);
2654                 for (i = 0; i < bss->ie_len; i++) {
2655                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
2656                         if (ret < 0 || ret >= end - pos)
2657                                 return 0;
2658                         pos += ret;
2659                 }
2660
2661                 ret = os_snprintf(pos, end - pos, "\n");
2662                 if (ret < 0 || ret >= end - pos)
2663                         return 0;
2664                 pos += ret;
2665         }
2666
2667         if (mask & WPA_BSS_MASK_FLAGS) {
2668                 ret = os_snprintf(pos, end - pos, "flags=");
2669                 if (ret < 0 || ret >= end - pos)
2670                         return 0;
2671                 pos += ret;
2672
2673                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2674                 if (ie)
2675                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
2676                                                     2 + ie[1]);
2677                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2678                 if (ie2)
2679                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
2680                                                     2 + ie2[1]);
2681                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2682                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2683                         ret = os_snprintf(pos, end - pos, "[WEP]");
2684                         if (ret < 0 || ret >= end - pos)
2685                                 return 0;
2686                         pos += ret;
2687                 }
2688                 if (bss->caps & IEEE80211_CAP_IBSS) {
2689                         ret = os_snprintf(pos, end - pos, "[IBSS]");
2690                         if (ret < 0 || ret >= end - pos)
2691                                 return 0;
2692                         pos += ret;
2693                 }
2694                 if (bss->caps & IEEE80211_CAP_ESS) {
2695                         ret = os_snprintf(pos, end - pos, "[ESS]");
2696                         if (ret < 0 || ret >= end - pos)
2697                                 return 0;
2698                         pos += ret;
2699                 }
2700                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE)) {
2701                         ret = os_snprintf(pos, end - pos, "[P2P]");
2702                         if (ret < 0 || ret >= end - pos)
2703                                 return 0;
2704                         pos += ret;
2705                 }
2706 #ifdef CONFIG_HS20
2707                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
2708                         ret = os_snprintf(pos, end - pos, "[HS20]");
2709                         if (ret < 0 || ret >= end - pos)
2710                                 return -1;
2711                         pos += ret;
2712                 }
2713 #endif /* CONFIG_HS20 */
2714
2715                 ret = os_snprintf(pos, end - pos, "\n");
2716                 if (ret < 0 || ret >= end - pos)
2717                         return 0;
2718                 pos += ret;
2719         }
2720
2721         if (mask & WPA_BSS_MASK_SSID) {
2722                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
2723                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
2724                 if (ret < 0 || ret >= end - pos)
2725                         return 0;
2726                 pos += ret;
2727         }
2728
2729 #ifdef CONFIG_WPS
2730         if (mask & WPA_BSS_MASK_WPS_SCAN) {
2731                 ie = (const u8 *) (bss + 1);
2732                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
2733                 if (ret < 0 || ret >= end - pos)
2734                         return 0;
2735                 pos += ret;
2736         }
2737 #endif /* CONFIG_WPS */
2738
2739 #ifdef CONFIG_P2P
2740         if (mask & WPA_BSS_MASK_P2P_SCAN) {
2741                 ie = (const u8 *) (bss + 1);
2742                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
2743                 if (ret < 0 || ret >= end - pos)
2744                         return 0;
2745                 pos += ret;
2746         }
2747 #endif /* CONFIG_P2P */
2748
2749 #ifdef CONFIG_WIFI_DISPLAY
2750         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
2751                 struct wpabuf *wfd;
2752                 ie = (const u8 *) (bss + 1);
2753                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
2754                                                   WFD_IE_VENDOR_TYPE);
2755                 if (wfd) {
2756                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
2757                         if (ret < 0 || ret >= end - pos)
2758                                 return pos - buf;
2759                         pos += ret;
2760
2761                         pos += wpa_snprintf_hex(pos, end - pos,
2762                                                 wpabuf_head(wfd),
2763                                                 wpabuf_len(wfd));
2764                         wpabuf_free(wfd);
2765
2766                         ret = os_snprintf(pos, end - pos, "\n");
2767                         if (ret < 0 || ret >= end - pos)
2768                                 return pos - buf;
2769                         pos += ret;
2770                 }
2771         }
2772 #endif /* CONFIG_WIFI_DISPLAY */
2773
2774 #ifdef CONFIG_INTERWORKING
2775         if (mask & WPA_BSS_MASK_INTERNETW) {
2776                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
2777                                    bss->anqp_venue_name);
2778                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
2779                                    bss->anqp_network_auth_type);
2780                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
2781                                    bss->anqp_roaming_consortium);
2782                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
2783                                    bss->anqp_ip_addr_type_availability);
2784                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
2785                                    bss->anqp_nai_realm);
2786                 pos = anqp_add_hex(pos, end, "anqp_3gpp", bss->anqp_3gpp);
2787                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
2788                                    bss->anqp_domain_name);
2789 #ifdef CONFIG_HS20
2790                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
2791                                    bss->hs20_operator_friendly_name);
2792                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
2793                                    bss->hs20_wan_metrics);
2794                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
2795                                    bss->hs20_connection_capability);
2796 #endif /* CONFIG_HS20 */
2797         }
2798 #endif /* CONFIG_INTERWORKING */
2799
2800         return pos - buf;
2801 }
2802
2803
2804 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
2805                                          const char *cmd, char *buf,
2806                                          size_t buflen)
2807 {
2808         u8 bssid[ETH_ALEN];
2809         size_t i;
2810         struct wpa_bss *bss;
2811         struct wpa_bss *bsslast = NULL;
2812         struct dl_list *next;
2813         int ret = 0;
2814         int len;
2815         char *ctmp;
2816         unsigned long mask = WPA_BSS_MASK_ALL;
2817
2818         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
2819                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
2820                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
2821                                             list_id);
2822                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
2823                                                list_id);
2824                 } else { /* N1-N2 */
2825                         unsigned int id1, id2;
2826
2827                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
2828                                 wpa_printf(MSG_INFO, "Wrong BSS range "
2829                                            "format");
2830                                 return 0;
2831                         }
2832
2833                         id1 = atoi(cmd + 6);
2834                         bss = wpa_bss_get_id(wpa_s, id1);
2835                         id2 = atoi(ctmp + 1);
2836                         if (id2 == 0)
2837                                 bsslast = dl_list_last(&wpa_s->bss_id,
2838                                                        struct wpa_bss,
2839                                                        list_id);
2840                         else {
2841                                 bsslast = wpa_bss_get_id(wpa_s, id2);
2842                                 if (bsslast == NULL && bss && id2 > id1) {
2843                                         struct wpa_bss *tmp = bss;
2844                                         for (;;) {
2845                                                 next = tmp->list_id.next;
2846                                                 if (next == &wpa_s->bss_id)
2847                                                         break;
2848                                                 tmp = dl_list_entry(
2849                                                         next, struct wpa_bss,
2850                                                         list_id);
2851                                                 if (tmp->id > id2)
2852                                                         break;
2853                                                 bsslast = tmp;
2854                                         }
2855                                 }
2856                         }
2857                 }
2858         } else if (os_strcmp(cmd, "FIRST") == 0)
2859                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
2860         else if (os_strncmp(cmd, "ID-", 3) == 0) {
2861                 i = atoi(cmd + 3);
2862                 bss = wpa_bss_get_id(wpa_s, i);
2863         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
2864                 i = atoi(cmd + 5);
2865                 bss = wpa_bss_get_id(wpa_s, i);
2866                 if (bss) {
2867                         next = bss->list_id.next;
2868                         if (next == &wpa_s->bss_id)
2869                                 bss = NULL;
2870                         else
2871                                 bss = dl_list_entry(next, struct wpa_bss,
2872                                                     list_id);
2873                 }
2874 #ifdef CONFIG_P2P
2875         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
2876                 if (hwaddr_aton(cmd + 13, bssid) == 0)
2877                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
2878                 else
2879                         bss = NULL;
2880 #endif /* CONFIG_P2P */
2881         } else if (hwaddr_aton(cmd, bssid) == 0)
2882                 bss = wpa_bss_get_bssid(wpa_s, bssid);
2883         else {
2884                 struct wpa_bss *tmp;
2885                 i = atoi(cmd);
2886                 bss = NULL;
2887                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
2888                 {
2889                         if (i-- == 0) {
2890                                 bss = tmp;
2891                                 break;
2892                         }
2893                 }
2894         }
2895
2896         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
2897                 mask = strtoul(ctmp + 5, NULL, 0x10);
2898                 if (mask == 0)
2899                         mask = WPA_BSS_MASK_ALL;
2900         }
2901
2902         if (bss == NULL)
2903                 return 0;
2904
2905         if (bsslast == NULL)
2906                 bsslast = bss;
2907         do {
2908                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
2909                 ret += len;
2910                 buf += len;
2911                 buflen -= len;
2912                 if (bss == bsslast)
2913                         break;
2914                 next = bss->list_id.next;
2915                 if (next == &wpa_s->bss_id)
2916                         break;
2917                 bss = dl_list_entry(next, struct wpa_bss, list_id);
2918         } while (bss && len);
2919
2920         return ret;
2921 }
2922
2923
2924 static int wpa_supplicant_ctrl_iface_ap_scan(
2925         struct wpa_supplicant *wpa_s, char *cmd)
2926 {
2927         int ap_scan = atoi(cmd);
2928         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
2929 }
2930
2931
2932 static int wpa_supplicant_ctrl_iface_scan_interval(
2933         struct wpa_supplicant *wpa_s, char *cmd)
2934 {
2935         int scan_int = atoi(cmd);
2936         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
2937 }
2938
2939
2940 static int wpa_supplicant_ctrl_iface_bss_expire_age(
2941         struct wpa_supplicant *wpa_s, char *cmd)
2942 {
2943         int expire_age = atoi(cmd);
2944         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
2945 }
2946
2947
2948 static int wpa_supplicant_ctrl_iface_bss_expire_count(
2949         struct wpa_supplicant *wpa_s, char *cmd)
2950 {
2951         int expire_count = atoi(cmd);
2952         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
2953 }
2954
2955
2956 static int wpa_supplicant_ctrl_iface_bss_flush(
2957         struct wpa_supplicant *wpa_s, char *cmd)
2958 {
2959         int flush_age = atoi(cmd);
2960
2961         if (flush_age == 0)
2962                 wpa_bss_flush(wpa_s);
2963         else
2964                 wpa_bss_flush_by_age(wpa_s, flush_age);
2965         return 0;
2966 }
2967
2968
2969 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
2970 {
2971         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
2972         /* MLME-DELETEKEYS.request */
2973         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
2974         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
2975         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
2976         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
2977 #ifdef CONFIG_IEEE80211W
2978         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
2979         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
2980 #endif /* CONFIG_IEEE80211W */
2981
2982         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
2983                         0);
2984         /* MLME-SETPROTECTION.request(None) */
2985         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
2986                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
2987                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
2988         wpa_sm_drop_sa(wpa_s->wpa);
2989 }
2990
2991
2992 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
2993                                           char *addr)
2994 {
2995 #ifdef CONFIG_NO_SCAN_PROCESSING
2996         return -1;
2997 #else /* CONFIG_NO_SCAN_PROCESSING */
2998         u8 bssid[ETH_ALEN];
2999         struct wpa_bss *bss;
3000         struct wpa_ssid *ssid = wpa_s->current_ssid;
3001
3002         if (hwaddr_aton(addr, bssid)) {
3003                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3004                            "address '%s'", addr);
3005                 return -1;
3006         }
3007
3008         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3009
3010         bss = wpa_bss_get_bssid(wpa_s, bssid);
3011         if (!bss) {
3012                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3013                            "from BSS table");
3014                 return -1;
3015         }
3016
3017         /*
3018          * TODO: Find best network configuration block from configuration to
3019          * allow roaming to other networks
3020          */
3021
3022         if (!ssid) {
3023                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3024                            "configuration known for the target AP");
3025                 return -1;
3026         }
3027
3028         wpa_s->reassociate = 1;
3029         wpa_supplicant_connect(wpa_s, bss, ssid);
3030
3031         return 0;
3032 #endif /* CONFIG_NO_SCAN_PROCESSING */
3033 }
3034
3035
3036 #ifdef CONFIG_P2P
3037 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3038 {
3039         unsigned int timeout = atoi(cmd);
3040         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3041         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3042         char *pos;
3043         unsigned int search_delay;
3044
3045         if (os_strstr(cmd, "type=social"))
3046                 type = P2P_FIND_ONLY_SOCIAL;
3047         else if (os_strstr(cmd, "type=progressive"))
3048                 type = P2P_FIND_PROGRESSIVE;
3049
3050         pos = os_strstr(cmd, "dev_id=");
3051         if (pos) {
3052                 pos += 7;
3053                 if (hwaddr_aton(pos, dev_id))
3054                         return -1;
3055                 _dev_id = dev_id;
3056         }
3057
3058         pos = os_strstr(cmd, "delay=");
3059         if (pos) {
3060                 pos += 6;
3061                 search_delay = atoi(pos);
3062         } else
3063                 search_delay = wpas_p2p_search_delay(wpa_s);
3064
3065         return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3066                              search_delay);
3067 }
3068
3069
3070 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3071                             char *buf, size_t buflen)
3072 {
3073         u8 addr[ETH_ALEN];
3074         char *pos, *pos2;
3075         char *pin = NULL;
3076         enum p2p_wps_method wps_method;
3077         int new_pin;
3078         int ret;
3079         int persistent_group, persistent_id = -1;
3080         int join;
3081         int auth;
3082         int automatic;
3083         int go_intent = -1;
3084         int freq = 0;
3085         int pd;
3086         int ht40;
3087
3088         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3089          * [persistent|persistent=<network id>]
3090          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3091          * [ht40] */
3092
3093         if (hwaddr_aton(cmd, addr))
3094                 return -1;
3095
3096         pos = cmd + 17;
3097         if (*pos != ' ')
3098                 return -1;
3099         pos++;
3100
3101         persistent_group = os_strstr(pos, " persistent") != NULL;
3102         pos2 = os_strstr(pos, " persistent=");
3103         if (pos2) {
3104                 struct wpa_ssid *ssid;
3105                 persistent_id = atoi(pos2 + 12);
3106                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3107                 if (ssid == NULL || ssid->disabled != 2 ||
3108                     ssid->mode != WPAS_MODE_P2P_GO) {
3109                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3110                                    "SSID id=%d for persistent P2P group (GO)",
3111                                    persistent_id);
3112                         return -1;
3113                 }
3114         }
3115         join = os_strstr(pos, " join") != NULL;
3116         auth = os_strstr(pos, " auth") != NULL;
3117         automatic = os_strstr(pos, " auto") != NULL;
3118         pd = os_strstr(pos, " provdisc") != NULL;
3119         ht40 = os_strstr(pos, " ht40") != NULL;
3120
3121         pos2 = os_strstr(pos, " go_intent=");
3122         if (pos2) {
3123                 pos2 += 11;
3124                 go_intent = atoi(pos2);
3125                 if (go_intent < 0 || go_intent > 15)
3126                         return -1;
3127         }
3128
3129         pos2 = os_strstr(pos, " freq=");
3130         if (pos2) {
3131                 pos2 += 6;
3132                 freq = atoi(pos2);
3133                 if (freq <= 0)
3134                         return -1;
3135         }
3136
3137         if (os_strncmp(pos, "pin", 3) == 0) {
3138                 /* Request random PIN (to be displayed) and enable the PIN */
3139                 wps_method = WPS_PIN_DISPLAY;
3140         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3141                 wps_method = WPS_PBC;
3142         } else {
3143                 pin = pos;
3144                 pos = os_strchr(pin, ' ');
3145                 wps_method = WPS_PIN_KEYPAD;
3146                 if (pos) {
3147                         *pos++ = '\0';
3148                         if (os_strncmp(pos, "display", 7) == 0)
3149                                 wps_method = WPS_PIN_DISPLAY;
3150                 }
3151                 if (!wps_pin_str_valid(pin)) {
3152                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3153                         return 17;
3154                 }
3155         }
3156
3157         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3158                                    persistent_group, automatic, join,
3159                                    auth, go_intent, freq, persistent_id, pd,
3160                                    ht40);
3161         if (new_pin == -2) {
3162                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3163                 return 25;
3164         }
3165         if (new_pin == -3) {
3166                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3167                 return 25;
3168         }
3169         if (new_pin < 0)
3170                 return -1;
3171         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3172                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3173                 if (ret < 0 || (size_t) ret >= buflen)
3174                         return -1;
3175                 return ret;
3176         }
3177
3178         os_memcpy(buf, "OK\n", 3);
3179         return 3;
3180 }
3181
3182
3183 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3184 {
3185         unsigned int timeout = atoi(cmd);
3186         return wpas_p2p_listen(wpa_s, timeout);
3187 }
3188
3189
3190 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3191 {
3192         u8 addr[ETH_ALEN];
3193         char *pos;
3194         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3195
3196         /* <addr> <config method> [join|auto] */
3197
3198         if (hwaddr_aton(cmd, addr))
3199                 return -1;
3200
3201         pos = cmd + 17;
3202         if (*pos != ' ')
3203                 return -1;
3204         pos++;
3205
3206         if (os_strstr(pos, " join") != NULL)
3207                 use = WPAS_P2P_PD_FOR_JOIN;
3208         else if (os_strstr(pos, " auto") != NULL)
3209                 use = WPAS_P2P_PD_AUTO;
3210
3211         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3212 }
3213
3214
3215 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3216                               size_t buflen)
3217 {
3218         struct wpa_ssid *ssid = wpa_s->current_ssid;
3219
3220         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3221             ssid->passphrase == NULL)
3222                 return -1;
3223
3224         os_strlcpy(buf, ssid->passphrase, buflen);
3225         return os_strlen(buf);
3226 }
3227
3228
3229 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3230                                   char *buf, size_t buflen)
3231 {
3232         u64 ref;
3233         int res;
3234         u8 dst_buf[ETH_ALEN], *dst;
3235         struct wpabuf *tlvs;
3236         char *pos;
3237         size_t len;
3238
3239         if (hwaddr_aton(cmd, dst_buf))
3240                 return -1;
3241         dst = dst_buf;
3242         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3243             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3244                 dst = NULL;
3245         pos = cmd + 17;
3246         if (*pos != ' ')
3247                 return -1;
3248         pos++;
3249
3250         if (os_strncmp(pos, "upnp ", 5) == 0) {
3251                 u8 version;
3252                 pos += 5;
3253                 if (hexstr2bin(pos, &version, 1) < 0)
3254                         return -1;
3255                 pos += 2;
3256                 if (*pos != ' ')
3257                         return -1;
3258                 pos++;
3259                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3260 #ifdef CONFIG_WIFI_DISPLAY
3261         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3262                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3263 #endif /* CONFIG_WIFI_DISPLAY */
3264         } else {
3265                 len = os_strlen(pos);
3266                 if (len & 1)
3267                         return -1;
3268                 len /= 2;
3269                 tlvs = wpabuf_alloc(len);
3270                 if (tlvs == NULL)
3271                         return -1;
3272                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3273                         wpabuf_free(tlvs);
3274                         return -1;
3275                 }
3276
3277                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3278                 wpabuf_free(tlvs);
3279         }
3280         if (ref == 0)
3281                 return -1;
3282         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3283         if (res < 0 || (unsigned) res >= buflen)
3284                 return -1;
3285         return res;
3286 }
3287
3288
3289 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3290                                          char *cmd)
3291 {
3292         long long unsigned val;
3293         u64 req;
3294         if (sscanf(cmd, "%llx", &val) != 1)
3295                 return -1;
3296         req = val;
3297         return wpas_p2p_sd_cancel_request(wpa_s, req);
3298 }
3299
3300
3301 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3302 {
3303         int freq;
3304         u8 dst[ETH_ALEN];
3305         u8 dialog_token;
3306         struct wpabuf *resp_tlvs;
3307         char *pos, *pos2;
3308         size_t len;
3309
3310         pos = os_strchr(cmd, ' ');
3311         if (pos == NULL)
3312                 return -1;
3313         *pos++ = '\0';
3314         freq = atoi(cmd);
3315         if (freq == 0)
3316                 return -1;
3317
3318         if (hwaddr_aton(pos, dst))
3319                 return -1;
3320         pos += 17;
3321         if (*pos != ' ')
3322                 return -1;
3323         pos++;
3324
3325         pos2 = os_strchr(pos, ' ');
3326         if (pos2 == NULL)
3327                 return -1;
3328         *pos2++ = '\0';
3329         dialog_token = atoi(pos);
3330
3331         len = os_strlen(pos2);
3332         if (len & 1)
3333                 return -1;
3334         len /= 2;
3335         resp_tlvs = wpabuf_alloc(len);
3336         if (resp_tlvs == NULL)
3337                 return -1;
3338         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3339                 wpabuf_free(resp_tlvs);
3340                 return -1;
3341         }
3342
3343         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3344         wpabuf_free(resp_tlvs);
3345         return 0;
3346 }
3347
3348
3349 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3350                                        char *cmd)
3351 {
3352         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3353                 return -1;
3354         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3355         return 0;
3356 }
3357
3358
3359 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3360                                         char *cmd)
3361 {
3362         char *pos;
3363         size_t len;
3364         struct wpabuf *query, *resp;
3365
3366         pos = os_strchr(cmd, ' ');
3367         if (pos == NULL)
3368                 return -1;
3369         *pos++ = '\0';
3370
3371         len = os_strlen(cmd);
3372         if (len & 1)
3373                 return -1;
3374         len /= 2;
3375         query = wpabuf_alloc(len);
3376         if (query == NULL)
3377                 return -1;
3378         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3379                 wpabuf_free(query);
3380                 return -1;
3381         }
3382
3383         len = os_strlen(pos);
3384         if (len & 1) {
3385                 wpabuf_free(query);
3386                 return -1;
3387         }
3388         len /= 2;
3389         resp = wpabuf_alloc(len);
3390         if (resp == NULL) {
3391                 wpabuf_free(query);
3392                 return -1;
3393         }
3394         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
3395                 wpabuf_free(query);
3396                 wpabuf_free(resp);
3397                 return -1;
3398         }
3399
3400         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
3401                 wpabuf_free(query);
3402                 wpabuf_free(resp);
3403                 return -1;
3404         }
3405         return 0;
3406 }
3407
3408
3409 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3410 {
3411         char *pos;
3412         u8 version;
3413
3414         pos = os_strchr(cmd, ' ');
3415         if (pos == NULL)
3416                 return -1;
3417         *pos++ = '\0';
3418
3419         if (hexstr2bin(cmd, &version, 1) < 0)
3420                 return -1;
3421
3422         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
3423 }
3424
3425
3426 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
3427 {
3428         char *pos;
3429
3430         pos = os_strchr(cmd, ' ');
3431         if (pos == NULL)
3432                 return -1;
3433         *pos++ = '\0';
3434
3435         if (os_strcmp(cmd, "bonjour") == 0)
3436                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
3437         if (os_strcmp(cmd, "upnp") == 0)
3438                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
3439         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3440         return -1;
3441 }
3442
3443
3444 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
3445                                         char *cmd)
3446 {
3447         size_t len;
3448         struct wpabuf *query;
3449         int ret;
3450
3451         len = os_strlen(cmd);
3452         if (len & 1)
3453                 return -1;
3454         len /= 2;
3455         query = wpabuf_alloc(len);
3456         if (query == NULL)
3457                 return -1;
3458         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3459                 wpabuf_free(query);
3460                 return -1;
3461         }
3462
3463         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
3464         wpabuf_free(query);
3465         return ret;
3466 }
3467
3468
3469 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3470 {
3471         char *pos;
3472         u8 version;
3473
3474         pos = os_strchr(cmd, ' ');
3475         if (pos == NULL)
3476                 return -1;
3477         *pos++ = '\0';
3478
3479         if (hexstr2bin(cmd, &version, 1) < 0)
3480                 return -1;
3481
3482         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
3483 }
3484
3485
3486 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
3487 {
3488         char *pos;
3489
3490         pos = os_strchr(cmd, ' ');
3491         if (pos == NULL)
3492                 return -1;
3493         *pos++ = '\0';
3494
3495         if (os_strcmp(cmd, "bonjour") == 0)
3496                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
3497         if (os_strcmp(cmd, "upnp") == 0)
3498                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
3499         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3500         return -1;
3501 }
3502
3503
3504 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
3505 {
3506         u8 addr[ETH_ALEN];
3507
3508         /* <addr> */
3509
3510         if (hwaddr_aton(cmd, addr))
3511                 return -1;
3512
3513         return wpas_p2p_reject(wpa_s, addr);
3514 }
3515
3516
3517 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
3518 {
3519         char *pos;
3520         int id;
3521         struct wpa_ssid *ssid;
3522         u8 peer[ETH_ALEN];
3523         int freq = 0;
3524         int ht40;
3525
3526         id = atoi(cmd);
3527         pos = os_strstr(cmd, " peer=");
3528         if (pos) {
3529                 pos += 6;
3530                 if (hwaddr_aton(pos, peer))
3531                         return -1;
3532         }
3533         ssid = wpa_config_get_network(wpa_s->conf, id);
3534         if (ssid == NULL || ssid->disabled != 2) {
3535                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3536                            "for persistent P2P group",
3537                            id);
3538                 return -1;
3539         }
3540
3541         pos = os_strstr(cmd, " freq=");
3542         if (pos) {
3543                 pos += 6;
3544                 freq = atoi(pos);
3545                 if (freq <= 0)
3546                         return -1;
3547         }
3548
3549         ht40 = os_strstr(cmd, " ht40") != NULL;
3550
3551         return wpas_p2p_invite(wpa_s, pos ? peer : NULL, ssid, NULL, freq,
3552                                ht40);
3553 }
3554
3555
3556 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
3557 {
3558         char *pos;
3559         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
3560
3561         pos = os_strstr(cmd, " peer=");
3562         if (!pos)
3563                 return -1;
3564
3565         *pos = '\0';
3566         pos += 6;
3567         if (hwaddr_aton(pos, peer)) {
3568                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
3569                 return -1;
3570         }
3571
3572         pos = os_strstr(pos, " go_dev_addr=");
3573         if (pos) {
3574                 pos += 13;
3575                 if (hwaddr_aton(pos, go_dev_addr)) {
3576                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
3577                                    pos);
3578                         return -1;
3579                 }
3580                 go_dev = go_dev_addr;
3581         }
3582
3583         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
3584 }
3585
3586
3587 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
3588 {
3589         if (os_strncmp(cmd, "persistent=", 11) == 0)
3590                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
3591         if (os_strncmp(cmd, "group=", 6) == 0)
3592                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
3593
3594         return -1;
3595 }
3596
3597
3598 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
3599                                          char *cmd, int freq, int ht40)
3600 {
3601         int id;
3602         struct wpa_ssid *ssid;
3603
3604         id = atoi(cmd);
3605         ssid = wpa_config_get_network(wpa_s->conf, id);
3606         if (ssid == NULL || ssid->disabled != 2) {
3607                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3608                            "for persistent P2P group",
3609                            id);
3610                 return -1;
3611         }
3612
3613         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40);
3614 }
3615
3616
3617 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
3618 {
3619         int freq = 0, ht40;
3620         char *pos;
3621
3622         pos = os_strstr(cmd, "freq=");
3623         if (pos)
3624                 freq = atoi(pos + 5);
3625
3626         ht40 = os_strstr(cmd, "ht40") != NULL;
3627
3628         if (os_strncmp(cmd, "persistent=", 11) == 0)
3629                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
3630                                                      ht40);
3631         if (os_strcmp(cmd, "persistent") == 0 ||
3632             os_strncmp(cmd, "persistent ", 11) == 0)
3633                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40);
3634         if (os_strncmp(cmd, "freq=", 5) == 0)
3635                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
3636         if (ht40)
3637                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
3638
3639         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
3640                    cmd);
3641         return -1;
3642 }
3643
3644
3645 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
3646                          char *buf, size_t buflen)
3647 {
3648         u8 addr[ETH_ALEN], *addr_ptr;
3649         int next, res;
3650         const struct p2p_peer_info *info;
3651         char *pos, *end;
3652         char devtype[WPS_DEV_TYPE_BUFSIZE];
3653         struct wpa_ssid *ssid;
3654
3655         if (!wpa_s->global->p2p)
3656                 return -1;
3657
3658         if (os_strcmp(cmd, "FIRST") == 0) {
3659                 addr_ptr = NULL;
3660                 next = 0;
3661         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3662                 if (hwaddr_aton(cmd + 5, addr) < 0)
3663                         return -1;
3664                 addr_ptr = addr;
3665                 next = 1;
3666         } else {
3667                 if (hwaddr_aton(cmd, addr) < 0)
3668                         return -1;
3669                 addr_ptr = addr;
3670                 next = 0;
3671         }
3672
3673         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
3674         if (info == NULL)
3675                 return -1;
3676
3677         pos = buf;
3678         end = buf + buflen;
3679
3680         res = os_snprintf(pos, end - pos, MACSTR "\n"
3681                           "pri_dev_type=%s\n"
3682                           "device_name=%s\n"
3683                           "manufacturer=%s\n"
3684                           "model_name=%s\n"
3685                           "model_number=%s\n"
3686                           "serial_number=%s\n"
3687                           "config_methods=0x%x\n"
3688                           "dev_capab=0x%x\n"
3689                           "group_capab=0x%x\n"
3690                           "level=%d\n",
3691                           MAC2STR(info->p2p_device_addr),
3692                           wps_dev_type_bin2str(info->pri_dev_type,
3693                                                devtype, sizeof(devtype)),
3694                           info->device_name,
3695                           info->manufacturer,
3696                           info->model_name,
3697                           info->model_number,
3698                           info->serial_number,
3699                           info->config_methods,
3700                           info->dev_capab,
3701                           info->group_capab,
3702                           info->level);
3703         if (res < 0 || res >= end - pos)
3704                 return pos - buf;
3705         pos += res;
3706
3707         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
3708         if (ssid) {
3709                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
3710                 if (res < 0 || res >= end - pos)
3711                         return pos - buf;
3712                 pos += res;
3713         }
3714
3715         res = p2p_get_peer_info_txt(info, pos, end - pos);
3716         if (res < 0)
3717                 return pos - buf;
3718         pos += res;
3719
3720         return pos - buf;
3721 }
3722
3723
3724 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
3725                                   const char *param)
3726 {
3727         struct wpa_freq_range *freq = NULL, *n;
3728         unsigned int count = 0, i;
3729         const char *pos, *pos2, *pos3;
3730
3731         if (wpa_s->global->p2p == NULL)
3732                 return -1;
3733
3734         /*
3735          * param includes comma separated frequency range.
3736          * For example: 2412-2432,2462,5000-6000
3737          */
3738         pos = param;
3739         while (pos && pos[0]) {
3740                 n = os_realloc_array(freq, count + 1,
3741                                      sizeof(struct wpa_freq_range));
3742                 if (n == NULL) {
3743                         os_free(freq);
3744                         return -1;
3745                 }
3746                 freq = n;
3747                 freq[count].min = atoi(pos);
3748                 pos2 = os_strchr(pos, '-');
3749                 pos3 = os_strchr(pos, ',');
3750                 if (pos2 && (!pos3 || pos2 < pos3)) {
3751                         pos2++;
3752                         freq[count].max = atoi(pos2);
3753                 } else
3754                         freq[count].max = freq[count].min;
3755                 pos = pos3;
3756                 if (pos)
3757                         pos++;
3758                 count++;
3759         }
3760
3761         for (i = 0; i < count; i++) {
3762                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
3763                            freq[i].min, freq[i].max);
3764         }
3765
3766         os_free(wpa_s->global->p2p_disallow_freq);
3767         wpa_s->global->p2p_disallow_freq = freq;
3768         wpa_s->global->num_p2p_disallow_freq = count;
3769         wpas_p2p_update_channel_list(wpa_s);
3770         return 0;
3771 }
3772
3773
3774 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
3775 {
3776         char *param;
3777
3778         if (wpa_s->global->p2p == NULL)
3779                 return -1;
3780
3781         param = os_strchr(cmd, ' ');
3782         if (param == NULL)
3783                 return -1;
3784         *param++ = '\0';
3785
3786         if (os_strcmp(cmd, "discoverability") == 0) {
3787                 p2p_set_client_discoverability(wpa_s->global->p2p,
3788                                                atoi(param));
3789                 return 0;
3790         }
3791
3792         if (os_strcmp(cmd, "managed") == 0) {
3793                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
3794                 return 0;
3795         }
3796
3797         if (os_strcmp(cmd, "listen_channel") == 0) {
3798                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
3799                                               atoi(param));
3800         }
3801
3802         if (os_strcmp(cmd, "ssid_postfix") == 0) {
3803                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
3804                                             os_strlen(param));
3805         }
3806
3807         if (os_strcmp(cmd, "noa") == 0) {
3808                 char *pos;
3809                 int count, start, duration;
3810                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
3811                 count = atoi(param);
3812                 pos = os_strchr(param, ',');
3813                 if (pos == NULL)
3814                         return -1;
3815                 pos++;
3816                 start = atoi(pos);
3817                 pos = os_strchr(pos, ',');
3818                 if (pos == NULL)
3819                         return -1;
3820                 pos++;
3821                 duration = atoi(pos);
3822                 if (count < 0 || count > 255 || start < 0 || duration < 0)
3823                         return -1;
3824                 if (count == 0 && duration > 0)
3825                         return -1;
3826                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
3827                            "start=%d duration=%d", count, start, duration);
3828                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
3829         }
3830
3831         if (os_strcmp(cmd, "ps") == 0)
3832                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
3833
3834         if (os_strcmp(cmd, "oppps") == 0)
3835                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
3836
3837         if (os_strcmp(cmd, "ctwindow") == 0)
3838                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
3839
3840         if (os_strcmp(cmd, "disabled") == 0) {
3841                 wpa_s->global->p2p_disabled = atoi(param);
3842                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
3843                            wpa_s->global->p2p_disabled ?
3844                            "disabled" : "enabled");
3845                 if (wpa_s->global->p2p_disabled) {
3846                         wpas_p2p_stop_find(wpa_s);
3847                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
3848                         p2p_flush(wpa_s->global->p2p);
3849                 }
3850                 return 0;
3851         }
3852
3853         if (os_strcmp(cmd, "conc_pref") == 0) {
3854                 if (os_strcmp(param, "sta") == 0)
3855                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
3856                 else if (os_strcmp(param, "p2p") == 0)
3857                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
3858                 else {
3859                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
3860                         return -1;
3861                 }
3862                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
3863                            "%s", param);
3864                 return 0;
3865         }
3866
3867         if (os_strcmp(cmd, "force_long_sd") == 0) {
3868                 wpa_s->force_long_sd = atoi(param);
3869                 return 0;
3870         }
3871
3872         if (os_strcmp(cmd, "peer_filter") == 0) {
3873                 u8 addr[ETH_ALEN];
3874                 if (hwaddr_aton(param, addr))
3875                         return -1;
3876                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
3877                 return 0;
3878         }
3879
3880         if (os_strcmp(cmd, "cross_connect") == 0)
3881                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
3882
3883         if (os_strcmp(cmd, "go_apsd") == 0) {
3884                 if (os_strcmp(param, "disable") == 0)
3885                         wpa_s->set_ap_uapsd = 0;
3886                 else {
3887                         wpa_s->set_ap_uapsd = 1;
3888                         wpa_s->ap_uapsd = atoi(param);
3889                 }
3890                 return 0;
3891         }
3892
3893         if (os_strcmp(cmd, "client_apsd") == 0) {
3894                 if (os_strcmp(param, "disable") == 0)
3895                         wpa_s->set_sta_uapsd = 0;
3896                 else {
3897                         int be, bk, vi, vo;
3898                         char *pos;
3899                         /* format: BE,BK,VI,VO;max SP Length */
3900                         be = atoi(param);
3901                         pos = os_strchr(param, ',');
3902                         if (pos == NULL)
3903                                 return -1;
3904                         pos++;
3905                         bk = atoi(pos);
3906                         pos = os_strchr(pos, ',');
3907                         if (pos == NULL)
3908                                 return -1;
3909                         pos++;
3910                         vi = atoi(pos);
3911                         pos = os_strchr(pos, ',');
3912                         if (pos == NULL)
3913                                 return -1;
3914                         pos++;
3915                         vo = atoi(pos);
3916                         /* ignore max SP Length for now */
3917
3918                         wpa_s->set_sta_uapsd = 1;
3919                         wpa_s->sta_uapsd = 0;
3920                         if (be)
3921                                 wpa_s->sta_uapsd |= BIT(0);
3922                         if (bk)
3923                                 wpa_s->sta_uapsd |= BIT(1);
3924                         if (vi)
3925                                 wpa_s->sta_uapsd |= BIT(2);
3926                         if (vo)
3927                                 wpa_s->sta_uapsd |= BIT(3);
3928                 }
3929                 return 0;
3930         }
3931
3932         if (os_strcmp(cmd, "disallow_freq") == 0)
3933                 return p2p_ctrl_disallow_freq(wpa_s, param);
3934
3935         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
3936                    cmd);
3937
3938         return -1;
3939 }
3940
3941
3942 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
3943 {
3944         char *pos, *pos2;
3945         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
3946
3947         if (cmd[0]) {
3948                 pos = os_strchr(cmd, ' ');
3949                 if (pos == NULL)
3950                         return -1;
3951                 *pos++ = '\0';
3952                 dur1 = atoi(cmd);
3953
3954                 pos2 = os_strchr(pos, ' ');
3955                 if (pos2)
3956                         *pos2++ = '\0';
3957                 int1 = atoi(pos);
3958         } else
3959                 pos2 = NULL;
3960
3961         if (pos2) {
3962                 pos = os_strchr(pos2, ' ');
3963                 if (pos == NULL)
3964                         return -1;
3965                 *pos++ = '\0';
3966                 dur2 = atoi(pos2);
3967                 int2 = atoi(pos);
3968         }
3969
3970         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
3971 }
3972
3973
3974 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
3975 {
3976         char *pos;
3977         unsigned int period = 0, interval = 0;
3978
3979         if (cmd[0]) {
3980                 pos = os_strchr(cmd, ' ');
3981                 if (pos == NULL)
3982                         return -1;
3983                 *pos++ = '\0';
3984                 period = atoi(cmd);
3985                 interval = atoi(pos);
3986         }
3987
3988         return wpas_p2p_ext_listen(wpa_s, period, interval);
3989 }
3990
3991 #endif /* CONFIG_P2P */
3992
3993
3994 #ifdef CONFIG_INTERWORKING
3995 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
3996 {
3997         u8 bssid[ETH_ALEN];
3998         struct wpa_bss *bss;
3999
4000         if (hwaddr_aton(dst, bssid)) {
4001                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4002                 return -1;
4003         }
4004
4005         bss = wpa_bss_get_bssid(wpa_s, bssid);
4006         if (bss == NULL) {
4007                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4008                            MAC2STR(bssid));
4009                 return -1;
4010         }
4011
4012         return interworking_connect(wpa_s, bss);
4013 }
4014
4015
4016 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4017 {
4018         u8 dst_addr[ETH_ALEN];
4019         int used;
4020         char *pos;
4021 #define MAX_ANQP_INFO_ID 100
4022         u16 id[MAX_ANQP_INFO_ID];
4023         size_t num_id = 0;
4024
4025         used = hwaddr_aton2(dst, dst_addr);
4026         if (used < 0)
4027                 return -1;
4028         pos = dst + used;
4029         while (num_id < MAX_ANQP_INFO_ID) {
4030                 id[num_id] = atoi(pos);
4031                 if (id[num_id])
4032                         num_id++;
4033                 pos = os_strchr(pos + 1, ',');
4034                 if (pos == NULL)
4035                         break;
4036                 pos++;
4037         }
4038
4039         if (num_id == 0)
4040                 return -1;
4041
4042         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4043 }
4044
4045
4046 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4047 {
4048         u8 dst_addr[ETH_ALEN];
4049         struct wpabuf *advproto, *query = NULL;
4050         int used, ret = -1;
4051         char *pos, *end;
4052         size_t len;
4053
4054         used = hwaddr_aton2(cmd, dst_addr);
4055         if (used < 0)
4056                 return -1;
4057
4058         pos = cmd + used;
4059         while (*pos == ' ')
4060                 pos++;
4061
4062         /* Advertisement Protocol ID */
4063         end = os_strchr(pos, ' ');
4064         if (end)
4065                 len = end - pos;
4066         else
4067                 len = os_strlen(pos);
4068         if (len & 0x01)
4069                 return -1;
4070         len /= 2;
4071         if (len == 0)
4072                 return -1;
4073         advproto = wpabuf_alloc(len);
4074         if (advproto == NULL)
4075                 return -1;
4076         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4077                 goto fail;
4078
4079         if (end) {
4080                 /* Optional Query Request */
4081                 pos = end + 1;
4082                 while (*pos == ' ')
4083                         pos++;
4084
4085                 len = os_strlen(pos);
4086                 if (len) {
4087                         if (len & 0x01)
4088                                 goto fail;
4089                         len /= 2;
4090                         if (len == 0)
4091                                 goto fail;
4092                         query = wpabuf_alloc(len);
4093                         if (query == NULL)
4094                                 goto fail;
4095                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4096                                 goto fail;
4097                 }
4098         }
4099
4100         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4101
4102 fail:
4103         wpabuf_free(advproto);
4104         wpabuf_free(query);
4105
4106         return ret;
4107 }
4108
4109
4110 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4111                             size_t buflen)
4112 {
4113         u8 addr[ETH_ALEN];
4114         int dialog_token;
4115         int used;
4116         char *pos;
4117         size_t resp_len, start, requested_len;
4118
4119         if (!wpa_s->last_gas_resp)
4120                 return -1;
4121
4122         used = hwaddr_aton2(cmd, addr);
4123         if (used < 0)
4124                 return -1;
4125
4126         pos = cmd + used;
4127         while (*pos == ' ')
4128                 pos++;
4129         dialog_token = atoi(pos);
4130
4131         if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4132             dialog_token != wpa_s->last_gas_dialog_token)
4133                 return -1;
4134
4135         resp_len = wpabuf_len(wpa_s->last_gas_resp);
4136         start = 0;
4137         requested_len = resp_len;
4138
4139         pos = os_strchr(pos, ' ');
4140         if (pos) {
4141                 start = atoi(pos);
4142                 if (start > resp_len)
4143                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4144                 pos = os_strchr(pos, ',');
4145                 if (pos == NULL)
4146                         return -1;
4147                 pos++;
4148                 requested_len = atoi(pos);
4149                 if (start + requested_len > resp_len)
4150                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4151         }
4152
4153         if (requested_len * 2 + 1 > buflen)
4154                 return os_snprintf(buf, buflen, "FAIL-Too long response");
4155
4156         return wpa_snprintf_hex(buf, buflen,
4157                                 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4158                                 requested_len);
4159 }
4160 #endif /* CONFIG_INTERWORKING */
4161
4162
4163 #ifdef CONFIG_HS20
4164
4165 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4166 {
4167         u8 dst_addr[ETH_ALEN];
4168         int used;
4169         char *pos;
4170         u32 subtypes = 0;
4171
4172         used = hwaddr_aton2(dst, dst_addr);
4173         if (used < 0)
4174                 return -1;
4175         pos = dst + used;
4176         for (;;) {
4177                 int num = atoi(pos);
4178                 if (num <= 0 || num > 31)
4179                         return -1;
4180                 subtypes |= BIT(num);
4181                 pos = os_strchr(pos + 1, ',');
4182                 if (pos == NULL)
4183                         break;
4184                 pos++;
4185         }
4186
4187         if (subtypes == 0)
4188                 return -1;
4189
4190         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4191 }
4192
4193
4194 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4195                                     const u8 *addr, const char *realm)
4196 {
4197         u8 *buf;
4198         size_t rlen, len;
4199         int ret;
4200
4201         rlen = os_strlen(realm);
4202         len = 3 + rlen;
4203         buf = os_malloc(len);
4204         if (buf == NULL)
4205                 return -1;
4206         buf[0] = 1; /* NAI Home Realm Count */
4207         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4208         buf[2] = rlen;
4209         os_memcpy(buf + 3, realm, rlen);
4210
4211         ret = hs20_anqp_send_req(wpa_s, addr,
4212                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4213                                  buf, len);
4214
4215         os_free(buf);
4216
4217         return ret;
4218 }
4219
4220
4221 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4222                                         char *dst)
4223 {
4224         struct wpa_cred *cred = wpa_s->conf->cred;
4225         u8 dst_addr[ETH_ALEN];
4226         int used;
4227         u8 *buf;
4228         size_t len;
4229         int ret;
4230
4231         used = hwaddr_aton2(dst, dst_addr);
4232         if (used < 0)
4233                 return -1;
4234
4235         while (dst[used] == ' ')
4236                 used++;
4237         if (os_strncmp(dst + used, "realm=", 6) == 0)
4238                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4239                                                 dst + used + 6);
4240
4241         len = os_strlen(dst + used);
4242
4243         if (len == 0 && cred && cred->realm)
4244                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4245
4246         if (len % 1)
4247                 return -1;
4248         len /= 2;
4249         buf = os_malloc(len);
4250         if (buf == NULL)
4251                 return -1;
4252         if (hexstr2bin(dst + used, buf, len) < 0) {
4253                 os_free(buf);
4254                 return -1;
4255         }
4256
4257         ret = hs20_anqp_send_req(wpa_s, dst_addr,
4258                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4259                                  buf, len);
4260         os_free(buf);
4261
4262         return ret;
4263 }
4264
4265 #endif /* CONFIG_HS20 */
4266
4267
4268 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4269         struct wpa_supplicant *wpa_s, char *cmd)
4270 {
4271         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4272         return 0;
4273 }
4274
4275
4276 #ifdef CONFIG_AUTOSCAN
4277
4278 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4279                                               char *cmd)
4280 {
4281         enum wpa_states state = wpa_s->wpa_state;
4282         char *new_params = NULL;
4283
4284         if (os_strlen(cmd) > 0) {
4285                 new_params = os_strdup(cmd);
4286                 if (new_params == NULL)
4287                         return -1;
4288         }
4289
4290         os_free(wpa_s->conf->autoscan);
4291         wpa_s->conf->autoscan = new_params;
4292
4293         if (wpa_s->conf->autoscan == NULL)
4294                 autoscan_deinit(wpa_s);
4295         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4296                 autoscan_init(wpa_s, 1);
4297         else if (state == WPA_SCANNING)
4298                 wpa_supplicant_reinit_autoscan(wpa_s);
4299
4300         return 0;
4301 }
4302
4303 #endif /* CONFIG_AUTOSCAN */
4304
4305
4306 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
4307                                       size_t buflen)
4308 {
4309         struct wpa_signal_info si;
4310         int ret;
4311
4312         ret = wpa_drv_signal_poll(wpa_s, &si);
4313         if (ret)
4314                 return -1;
4315
4316         ret = os_snprintf(buf, buflen, "RSSI=%d\nLINKSPEED=%d\n"
4317                           "NOISE=%d\nFREQUENCY=%u\n",
4318                           si.current_signal, si.current_txrate / 1000,
4319                           si.current_noise, si.frequency);
4320         if (ret < 0 || (unsigned int) ret > buflen)
4321                 return -1;
4322         return ret;
4323 }
4324
4325
4326 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
4327                                          char *buf, size_t *resp_len)
4328 {
4329         char *reply;
4330         const int reply_size = 4096;
4331         int ctrl_rsp = 0;
4332         int reply_len;
4333
4334         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
4335             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
4336                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
4337                                       (const u8 *) buf, os_strlen(buf));
4338         } else {
4339                 int level = MSG_DEBUG;
4340                 if (os_strcmp(buf, "PING") == 0)
4341                         level = MSG_EXCESSIVE;
4342                 wpa_hexdump_ascii(level, "RX ctrl_iface",
4343                                   (const u8 *) buf, os_strlen(buf));
4344         }
4345
4346         reply = os_malloc(reply_size);
4347         if (reply == NULL) {
4348                 *resp_len = 1;
4349                 return NULL;
4350         }
4351
4352         os_memcpy(reply, "OK\n", 3);
4353         reply_len = 3;
4354
4355         if (os_strcmp(buf, "PING") == 0) {
4356                 os_memcpy(reply, "PONG\n", 5);
4357                 reply_len = 5;
4358         } else if (os_strcmp(buf, "IFNAME") == 0) {
4359                 reply_len = os_strlen(wpa_s->ifname);
4360                 os_memcpy(reply, wpa_s->ifname, reply_len);
4361         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
4362                 if (wpa_debug_reopen_file() < 0)
4363                         reply_len = -1;
4364         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
4365                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
4366         } else if (os_strcmp(buf, "MIB") == 0) {
4367                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
4368                 if (reply_len >= 0) {
4369                         int res;
4370                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
4371                                                reply_size - reply_len);
4372                         if (res < 0)
4373                                 reply_len = -1;
4374                         else
4375                                 reply_len += res;
4376                 }
4377         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
4378                 reply_len = wpa_supplicant_ctrl_iface_status(
4379                         wpa_s, buf + 6, reply, reply_size);
4380         } else if (os_strcmp(buf, "PMKSA") == 0) {
4381                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
4382                                                     reply_size);
4383         } else if (os_strncmp(buf, "SET ", 4) == 0) {
4384                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
4385                         reply_len = -1;
4386         } else if (os_strncmp(buf, "GET ", 4) == 0) {
4387                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
4388                                                           reply, reply_size);
4389         } else if (os_strcmp(buf, "LOGON") == 0) {
4390                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
4391         } else if (os_strcmp(buf, "LOGOFF") == 0) {
4392                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
4393         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
4394                 wpa_s->normal_scans = 0;
4395                 wpa_supplicant_reinit_autoscan(wpa_s);
4396                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4397                         reply_len = -1;
4398                 else {
4399                         wpa_s->disconnected = 0;
4400                         wpa_s->reassociate = 1;
4401                         wpa_supplicant_req_scan(wpa_s, 0, 0);
4402                 }
4403         } else if (os_strcmp(buf, "RECONNECT") == 0) {
4404                 wpa_s->normal_scans = 0;
4405                 wpa_supplicant_reinit_autoscan(wpa_s);
4406                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4407                         reply_len = -1;
4408                 else if (wpa_s->disconnected) {
4409                         wpa_s->disconnected = 0;
4410                         wpa_s->reassociate = 1;
4411                         wpa_supplicant_req_scan(wpa_s, 0, 0);
4412                 }
4413 #ifdef IEEE8021X_EAPOL
4414         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
4415                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
4416                         reply_len = -1;
4417 #endif /* IEEE8021X_EAPOL */
4418 #ifdef CONFIG_PEERKEY
4419         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
4420                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
4421                         reply_len = -1;
4422 #endif /* CONFIG_PEERKEY */
4423 #ifdef CONFIG_IEEE80211R
4424         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
4425                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
4426                         reply_len = -1;
4427 #endif /* CONFIG_IEEE80211R */
4428 #ifdef CONFIG_WPS
4429         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
4430                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
4431                 if (res == -2) {
4432                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4433                         reply_len = 17;
4434                 } else if (res)
4435                         reply_len = -1;
4436         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
4437                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
4438                 if (res == -2) {
4439                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4440                         reply_len = 17;
4441                 } else if (res)
4442                         reply_len = -1;
4443         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
4444                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
4445                                                               reply,
4446                                                               reply_size);
4447         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
4448                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
4449                         wpa_s, buf + 14, reply, reply_size);
4450         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
4451                 if (wpas_wps_cancel(wpa_s))
4452                         reply_len = -1;
4453 #ifdef CONFIG_WPS_OOB
4454         } else if (os_strncmp(buf, "WPS_OOB ", 8) == 0) {
4455                 if (wpa_supplicant_ctrl_iface_wps_oob(wpa_s, buf + 8))
4456                         reply_len = -1;
4457 #endif /* CONFIG_WPS_OOB */
4458 #ifdef CONFIG_WPS_NFC
4459         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
4460                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
4461                         reply_len = -1;
4462         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
4463                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
4464                         reply_len = -1;
4465         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
4466                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
4467                         wpa_s, buf + 14, reply, reply_size);
4468         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
4469                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
4470                                                                buf + 17))
4471                         reply_len = -1;
4472 #endif /* CONFIG_WPS_NFC */
4473         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
4474                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
4475                         reply_len = -1;
4476 #ifdef CONFIG_AP
4477         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
4478                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
4479                         wpa_s, buf + 11, reply, reply_size);
4480 #endif /* CONFIG_AP */
4481 #ifdef CONFIG_WPS_ER
4482         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
4483                 if (wpas_wps_er_start(wpa_s, NULL))
4484                         reply_len = -1;
4485         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
4486                 if (wpas_wps_er_start(wpa_s, buf + 13))
4487                         reply_len = -1;
4488         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
4489                 if (wpas_wps_er_stop(wpa_s))
4490                         reply_len = -1;
4491         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
4492                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
4493                         reply_len = -1;
4494         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
4495                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
4496                 if (ret == -2) {
4497                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4498                         reply_len = 17;
4499                 } else if (ret == -3) {
4500                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
4501                         reply_len = 18;
4502                 } else if (ret == -4) {
4503                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
4504                         reply_len = 20;
4505                 } else if (ret)
4506                         reply_len = -1;
4507         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
4508                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
4509                         reply_len = -1;
4510         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
4511                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
4512                                                                 buf + 18))
4513                         reply_len = -1;
4514         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
4515                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
4516                         reply_len = -1;
4517 #ifdef CONFIG_WPS_NFC
4518         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
4519                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
4520                         wpa_s, buf + 24, reply, reply_size);
4521 #endif /* CONFIG_WPS_NFC */
4522 #endif /* CONFIG_WPS_ER */
4523 #endif /* CONFIG_WPS */
4524 #ifdef CONFIG_IBSS_RSN
4525         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
4526                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
4527                         reply_len = -1;
4528 #endif /* CONFIG_IBSS_RSN */
4529 #ifdef CONFIG_P2P
4530         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
4531                 if (p2p_ctrl_find(wpa_s, buf + 9))
4532                         reply_len = -1;
4533         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
4534                 if (p2p_ctrl_find(wpa_s, ""))
4535                         reply_len = -1;
4536         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
4537                 wpas_p2p_stop_find(wpa_s);
4538         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
4539                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
4540                                              reply_size);
4541         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
4542                 if (p2p_ctrl_listen(wpa_s, buf + 11))
4543                         reply_len = -1;
4544         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
4545                 if (p2p_ctrl_listen(wpa_s, ""))
4546                         reply_len = -1;
4547         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
4548                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
4549                         reply_len = -1;
4550         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
4551                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0))
4552                         reply_len = -1;
4553         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
4554                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
4555                         reply_len = -1;
4556         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
4557                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
4558                         reply_len = -1;
4559         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
4560                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
4561         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
4562                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
4563                                                    reply_size);
4564         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
4565                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
4566                         reply_len = -1;
4567         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
4568                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
4569                         reply_len = -1;
4570         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
4571                 wpas_p2p_sd_service_update(wpa_s);
4572         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
4573                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
4574                         reply_len = -1;
4575         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
4576                 wpas_p2p_service_flush(wpa_s);
4577         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
4578                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
4579                         reply_len = -1;
4580         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
4581                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
4582                         reply_len = -1;
4583         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
4584                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
4585                         reply_len = -1;
4586         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
4587                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
4588                         reply_len = -1;
4589         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
4590                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
4591                                               reply_size);
4592         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
4593                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
4594                         reply_len = -1;
4595         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
4596                 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4597                 wpa_s->force_long_sd = 0;
4598                 if (wpa_s->global->p2p)
4599                         p2p_flush(wpa_s->global->p2p);
4600         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
4601                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
4602                         reply_len = -1;
4603         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
4604                 if (wpas_p2p_cancel(wpa_s))
4605                         reply_len = -1;
4606         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
4607                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
4608                         reply_len = -1;
4609         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
4610                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
4611                         reply_len = -1;
4612         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
4613                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
4614                         reply_len = -1;
4615         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
4616                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
4617                         reply_len = -1;
4618 #endif /* CONFIG_P2P */
4619 #ifdef CONFIG_WIFI_DISPLAY
4620         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
4621                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
4622                         reply_len = -1;
4623         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
4624                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
4625                                                      reply, reply_size);
4626 #endif /* CONFIG_WIFI_DISPLAY */
4627 #ifdef CONFIG_INTERWORKING
4628         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
4629                 if (interworking_fetch_anqp(wpa_s) < 0)
4630                         reply_len = -1;
4631         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
4632                 interworking_stop_fetch_anqp(wpa_s);
4633         } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
4634                 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
4635                                         NULL) < 0)
4636                         reply_len = -1;
4637         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
4638                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
4639                         reply_len = -1;
4640         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
4641                 if (get_anqp(wpa_s, buf + 9) < 0)
4642                         reply_len = -1;
4643         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
4644                 if (gas_request(wpa_s, buf + 12) < 0)
4645                         reply_len = -1;
4646         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
4647                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
4648                                              reply_size);
4649 #endif /* CONFIG_INTERWORKING */
4650 #ifdef CONFIG_HS20
4651         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
4652                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
4653                         reply_len = -1;
4654         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
4655                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
4656                         reply_len = -1;
4657 #endif /* CONFIG_HS20 */
4658         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
4659         {
4660                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
4661                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
4662                         reply_len = -1;
4663                 else
4664                         ctrl_rsp = 1;
4665         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
4666                 if (wpa_supplicant_reload_configuration(wpa_s))
4667                         reply_len = -1;
4668         } else if (os_strcmp(buf, "TERMINATE") == 0) {
4669                 wpa_supplicant_terminate_proc(wpa_s->global);
4670         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
4671                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
4672                         reply_len = -1;
4673         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
4674                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
4675                         wpa_s, buf + 9, reply, reply_size);
4676         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
4677                 reply_len = wpa_supplicant_ctrl_iface_log_level(
4678                         wpa_s, buf + 9, reply, reply_size);
4679         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
4680                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
4681                         wpa_s, reply, reply_size);
4682         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
4683 #ifdef CONFIG_SME
4684                 wpa_s->sme.prev_bssid_set = 0;
4685 #endif /* CONFIG_SME */
4686                 wpa_s->reassociate = 0;
4687                 wpa_s->disconnected = 1;
4688                 wpa_supplicant_cancel_sched_scan(wpa_s);
4689                 wpa_supplicant_cancel_scan(wpa_s);
4690                 wpa_supplicant_deauthenticate(wpa_s,
4691                                               WLAN_REASON_DEAUTH_LEAVING);
4692         } else if (os_strcmp(buf, "SCAN") == 0) {
4693                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4694                         reply_len = -1;
4695                 else {
4696                         if (!wpa_s->scanning &&
4697                             ((wpa_s->wpa_state <= WPA_SCANNING) ||
4698                              (wpa_s->wpa_state == WPA_COMPLETED))) {
4699                                 wpa_s->normal_scans = 0;
4700                                 wpa_s->scan_req = 2;
4701                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
4702                         } else if (wpa_s->sched_scanning) {
4703                                 wpa_printf(MSG_DEBUG, "Stop ongoing "
4704                                            "sched_scan to allow requested "
4705                                            "full scan to proceed");
4706                                 wpa_supplicant_cancel_sched_scan(wpa_s);
4707                                 wpa_s->scan_req = 2;
4708                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
4709                         } else {
4710                                 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
4711                                            "reject new request");
4712                                 reply_len = os_snprintf(reply, reply_size,
4713                                                         "FAIL-BUSY\n");
4714                         }
4715                 }
4716         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
4717                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
4718                         wpa_s, reply, reply_size);
4719         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
4720                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
4721                         reply_len = -1;
4722         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
4723                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
4724                         reply_len = -1;
4725         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
4726                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
4727                         reply_len = -1;
4728         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
4729                 reply_len = wpa_supplicant_ctrl_iface_add_network(
4730                         wpa_s, reply, reply_size);
4731         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
4732                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
4733                         reply_len = -1;
4734         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
4735                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
4736                         reply_len = -1;
4737         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
4738                 reply_len = wpa_supplicant_ctrl_iface_get_network(
4739                         wpa_s, buf + 12, reply, reply_size);
4740         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
4741                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
4742                         wpa_s, reply, reply_size);
4743         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
4744                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
4745                         wpa_s, reply, reply_size);
4746         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
4747                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
4748                         reply_len = -1;
4749         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
4750                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
4751                         reply_len = -1;
4752 #ifndef CONFIG_NO_CONFIG_WRITE
4753         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
4754                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
4755                         reply_len = -1;
4756 #endif /* CONFIG_NO_CONFIG_WRITE */
4757         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
4758                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
4759                         wpa_s, buf + 15, reply, reply_size);
4760         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
4761                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
4762                         reply_len = -1;
4763         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
4764                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
4765                         reply_len = -1;
4766         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
4767                 reply_len = wpa_supplicant_global_iface_list(
4768                         wpa_s->global, reply, reply_size);
4769         } else if (os_strcmp(buf, "INTERFACES") == 0) {
4770                 reply_len = wpa_supplicant_global_iface_interfaces(
4771                         wpa_s->global, reply, reply_size);
4772         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
4773                 reply_len = wpa_supplicant_ctrl_iface_bss(
4774                         wpa_s, buf + 4, reply, reply_size);
4775 #ifdef CONFIG_AP
4776         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
4777                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
4778         } else if (os_strncmp(buf, "STA ", 4) == 0) {
4779                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
4780                                               reply_size);
4781         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
4782                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
4783                                                    reply_size);
4784         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
4785                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
4786                         reply_len = -1;
4787         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
4788                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
4789                         reply_len = -1;
4790 #endif /* CONFIG_AP */
4791         } else if (os_strcmp(buf, "SUSPEND") == 0) {
4792                 wpas_notify_suspend(wpa_s->global);
4793         } else if (os_strcmp(buf, "RESUME") == 0) {
4794                 wpas_notify_resume(wpa_s->global);
4795         } else if (os_strcmp(buf, "DROP_SA") == 0) {
4796                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
4797         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
4798                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
4799                         reply_len = -1;
4800         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
4801                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
4802                         reply_len = -1;
4803         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
4804                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
4805                         reply_len = -1;
4806         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
4807                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
4808                                                                buf + 17))
4809                         reply_len = -1;
4810         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
4811                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
4812                         reply_len = -1;
4813 #ifdef CONFIG_TDLS
4814         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
4815                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
4816                         reply_len = -1;
4817         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
4818                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
4819                         reply_len = -1;
4820         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
4821                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
4822                         reply_len = -1;
4823 #endif /* CONFIG_TDLS */
4824         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
4825                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
4826                                                        reply_size);
4827 #ifdef CONFIG_AUTOSCAN
4828         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
4829                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
4830                         reply_len = -1;
4831 #endif /* CONFIG_AUTOSCAN */
4832         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
4833                 eapol_sm_request_reauth(wpa_s->eapol);
4834         } else {
4835                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
4836                 reply_len = 16;
4837         }
4838
4839         if (reply_len < 0) {
4840                 os_memcpy(reply, "FAIL\n", 5);
4841                 reply_len = 5;
4842         }
4843
4844         if (ctrl_rsp)
4845                 eapol_sm_notify_ctrl_response(wpa_s->eapol);
4846
4847         *resp_len = reply_len;
4848         return reply;
4849 }
4850
4851
4852 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
4853                                            char *cmd)
4854 {
4855         struct wpa_interface iface;
4856         char *pos;
4857
4858         /*
4859          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
4860          * TAB<bridge_ifname>
4861          */
4862         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
4863
4864         os_memset(&iface, 0, sizeof(iface));
4865
4866         do {
4867                 iface.ifname = pos = cmd;
4868                 pos = os_strchr(pos, '\t');
4869                 if (pos)
4870                         *pos++ = '\0';
4871                 if (iface.ifname[0] == '\0')
4872                         return -1;
4873                 if (pos == NULL)
4874                         break;
4875
4876                 iface.confname = pos;
4877                 pos = os_strchr(pos, '\t');
4878                 if (pos)
4879                         *pos++ = '\0';
4880                 if (iface.confname[0] == '\0')
4881                         iface.confname = NULL;
4882                 if (pos == NULL)
4883                         break;
4884
4885                 iface.driver = pos;
4886                 pos = os_strchr(pos, '\t');
4887                 if (pos)
4888                         *pos++ = '\0';
4889                 if (iface.driver[0] == '\0')
4890                         iface.driver = NULL;
4891                 if (pos == NULL)
4892                         break;
4893
4894                 iface.ctrl_interface = pos;
4895                 pos = os_strchr(pos, '\t');
4896                 if (pos)
4897                         *pos++ = '\0';
4898                 if (iface.ctrl_interface[0] == '\0')
4899                         iface.ctrl_interface = NULL;
4900                 if (pos == NULL)
4901                         break;
4902
4903                 iface.driver_param = pos;
4904                 pos = os_strchr(pos, '\t');
4905                 if (pos)
4906                         *pos++ = '\0';
4907                 if (iface.driver_param[0] == '\0')
4908                         iface.driver_param = NULL;
4909                 if (pos == NULL)
4910                         break;
4911
4912                 iface.bridge_ifname = pos;
4913                 pos = os_strchr(pos, '\t');
4914                 if (pos)
4915                         *pos++ = '\0';
4916                 if (iface.bridge_ifname[0] == '\0')
4917                         iface.bridge_ifname = NULL;
4918                 if (pos == NULL)
4919                         break;
4920         } while (0);
4921
4922         if (wpa_supplicant_get_iface(global, iface.ifname))
4923                 return -1;
4924
4925         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
4926 }
4927
4928
4929 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
4930                                               char *cmd)
4931 {
4932         struct wpa_supplicant *wpa_s;
4933
4934         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
4935
4936         wpa_s = wpa_supplicant_get_iface(global, cmd);
4937         if (wpa_s == NULL)
4938                 return -1;
4939         return wpa_supplicant_remove_iface(global, wpa_s, 0);
4940 }
4941
4942
4943 static void wpa_free_iface_info(struct wpa_interface_info *iface)
4944 {
4945         struct wpa_interface_info *prev;
4946
4947         while (iface) {
4948                 prev = iface;
4949                 iface = iface->next;
4950
4951                 os_free(prev->ifname);
4952                 os_free(prev->desc);
4953                 os_free(prev);
4954         }
4955 }
4956
4957
4958 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
4959                                             char *buf, int len)
4960 {
4961         int i, res;
4962         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
4963         char *pos, *end;
4964
4965         for (i = 0; wpa_drivers[i]; i++) {
4966                 struct wpa_driver_ops *drv = wpa_drivers[i];
4967                 if (drv->get_interfaces == NULL)
4968                         continue;
4969                 tmp = drv->get_interfaces(global->drv_priv[i]);
4970                 if (tmp == NULL)
4971                         continue;
4972
4973                 if (last == NULL)
4974                         iface = last = tmp;
4975                 else
4976                         last->next = tmp;
4977                 while (last->next)
4978                         last = last->next;
4979         }
4980
4981         pos = buf;
4982         end = buf + len;
4983         for (tmp = iface; tmp; tmp = tmp->next) {
4984                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
4985                                   tmp->drv_name, tmp->ifname,
4986                                   tmp->desc ? tmp->desc : "");
4987                 if (res < 0 || res >= end - pos) {
4988                         *pos = '\0';
4989                         break;
4990                 }
4991                 pos += res;
4992         }
4993
4994         wpa_free_iface_info(iface);
4995
4996         return pos - buf;
4997 }
4998
4999
5000 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5001                                                   char *buf, int len)
5002 {
5003         int res;
5004         char *pos, *end;
5005         struct wpa_supplicant *wpa_s;
5006
5007         wpa_s = global->ifaces;
5008         pos = buf;
5009         end = buf + len;
5010
5011         while (wpa_s) {
5012                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5013                 if (res < 0 || res >= end - pos) {
5014                         *pos = '\0';
5015                         break;
5016                 }
5017                 pos += res;
5018                 wpa_s = wpa_s->next;
5019         }
5020         return pos - buf;
5021 }
5022
5023
5024 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
5025                                                 char *buf, size_t *resp_len)
5026 {
5027         char *reply;
5028         const int reply_size = 2048;
5029         int reply_len;
5030         int level = MSG_DEBUG;
5031
5032         if (os_strcmp(buf, "PING") == 0)
5033                 level = MSG_EXCESSIVE;
5034         wpa_hexdump_ascii(level, "RX global ctrl_iface",
5035                           (const u8 *) buf, os_strlen(buf));
5036
5037         reply = os_malloc(reply_size);
5038         if (reply == NULL) {
5039                 *resp_len = 1;
5040                 return NULL;
5041         }
5042
5043         os_memcpy(reply, "OK\n", 3);
5044         reply_len = 3;
5045
5046         if (os_strcmp(buf, "PING") == 0) {
5047                 os_memcpy(reply, "PONG\n", 5);
5048                 reply_len = 5;
5049         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
5050                 if (wpa_supplicant_global_iface_add(global, buf + 14))
5051                         reply_len = -1;
5052         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
5053                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
5054                         reply_len = -1;
5055         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5056                 reply_len = wpa_supplicant_global_iface_list(
5057                         global, reply, reply_size);
5058         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5059                 reply_len = wpa_supplicant_global_iface_interfaces(
5060                         global, reply, reply_size);
5061         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5062                 wpa_supplicant_terminate_proc(global);
5063         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5064                 wpas_notify_suspend(global);
5065         } else if (os_strcmp(buf, "RESUME") == 0) {
5066                 wpas_notify_resume(global);
5067         } else {
5068                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5069                 reply_len = 16;
5070         }
5071
5072         if (reply_len < 0) {
5073                 os_memcpy(reply, "FAIL\n", 5);
5074                 reply_len = 5;
5075         }
5076
5077         *resp_len = reply_len;
5078         return reply;
5079 }