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 || cmd[0] == '\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 #ifdef ANDROID
1164         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
1165                      "id=%d state=%d BSSID=" MACSTR " SSID=%s",
1166                      wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
1167                      wpa_s->wpa_state,
1168                      MAC2STR(wpa_s->bssid),
1169                      wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
1170                      wpa_ssid_txt(wpa_s->current_ssid->ssid,
1171                      wpa_s->current_ssid->ssid_len) : "");
1172         if (wpa_s->wpa_state == WPA_COMPLETED) {
1173                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1174                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED "- connection to "
1175                         MACSTR " completed %s [id=%d id_str=%s]",
1176                         MAC2STR(wpa_s->bssid), wpa_s->reassociated_connection ?
1177                         "(reauth)" : "(auth)",
1178                         ssid ? ssid->id : -1,
1179                         ssid && ssid->id_str ? ssid->id_str : "");
1180         }
1181 #endif /* ANDROID */
1182
1183         return pos - buf;
1184 }
1185
1186
1187 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1188                                            char *cmd)
1189 {
1190         char *pos;
1191         int id;
1192         struct wpa_ssid *ssid;
1193         u8 bssid[ETH_ALEN];
1194
1195         /* cmd: "<network id> <BSSID>" */
1196         pos = os_strchr(cmd, ' ');
1197         if (pos == NULL)
1198                 return -1;
1199         *pos++ = '\0';
1200         id = atoi(cmd);
1201         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1202         if (hwaddr_aton(pos, bssid)) {
1203                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1204                 return -1;
1205         }
1206
1207         ssid = wpa_config_get_network(wpa_s->conf, id);
1208         if (ssid == NULL) {
1209                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1210                            "to update", id);
1211                 return -1;
1212         }
1213
1214         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1215         ssid->bssid_set = !is_zero_ether_addr(bssid);
1216
1217         return 0;
1218 }
1219
1220
1221 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1222                                                char *cmd, char *buf,
1223                                                size_t buflen)
1224 {
1225         u8 bssid[ETH_ALEN];
1226         struct wpa_blacklist *e;
1227         char *pos, *end;
1228         int ret;
1229
1230         /* cmd: "BLACKLIST [<BSSID>]" */
1231         if (*cmd == '\0') {
1232                 pos = buf;
1233                 end = buf + buflen;
1234                 e = wpa_s->blacklist;
1235                 while (e) {
1236                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1237                                           MAC2STR(e->bssid));
1238                         if (ret < 0 || ret >= end - pos)
1239                                 return pos - buf;
1240                         pos += ret;
1241                         e = e->next;
1242                 }
1243                 return pos - buf;
1244         }
1245
1246         cmd++;
1247         if (os_strncmp(cmd, "clear", 5) == 0) {
1248                 wpa_blacklist_clear(wpa_s);
1249                 os_memcpy(buf, "OK\n", 3);
1250                 return 3;
1251         }
1252
1253         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1254         if (hwaddr_aton(cmd, bssid)) {
1255                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1256                 return -1;
1257         }
1258
1259         /*
1260          * Add the BSSID twice, so its count will be 2, causing it to be
1261          * skipped when processing scan results.
1262          */
1263         ret = wpa_blacklist_add(wpa_s, bssid);
1264         if (ret != 0)
1265                 return -1;
1266         ret = wpa_blacklist_add(wpa_s, bssid);
1267         if (ret != 0)
1268                 return -1;
1269         os_memcpy(buf, "OK\n", 3);
1270         return 3;
1271 }
1272
1273
1274 extern int wpa_debug_level;
1275 extern int wpa_debug_timestamp;
1276
1277 static const char * debug_level_str(int level)
1278 {
1279         switch (level) {
1280         case MSG_EXCESSIVE:
1281                 return "EXCESSIVE";
1282         case MSG_MSGDUMP:
1283                 return "MSGDUMP";
1284         case MSG_DEBUG:
1285                 return "DEBUG";
1286         case MSG_INFO:
1287                 return "INFO";
1288         case MSG_WARNING:
1289                 return "WARNING";
1290         case MSG_ERROR:
1291                 return "ERROR";
1292         default:
1293                 return "?";
1294         }
1295 }
1296
1297
1298 static int str_to_debug_level(const char *s)
1299 {
1300         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1301                 return MSG_EXCESSIVE;
1302         if (os_strcasecmp(s, "MSGDUMP") == 0)
1303                 return MSG_MSGDUMP;
1304         if (os_strcasecmp(s, "DEBUG") == 0)
1305                 return MSG_DEBUG;
1306         if (os_strcasecmp(s, "INFO") == 0)
1307                 return MSG_INFO;
1308         if (os_strcasecmp(s, "WARNING") == 0)
1309                 return MSG_WARNING;
1310         if (os_strcasecmp(s, "ERROR") == 0)
1311                 return MSG_ERROR;
1312         return -1;
1313 }
1314
1315
1316 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1317                                                char *cmd, char *buf,
1318                                                size_t buflen)
1319 {
1320         char *pos, *end, *stamp;
1321         int ret;
1322
1323         if (cmd == NULL) {
1324                 return -1;
1325         }
1326
1327         /* cmd: "LOG_LEVEL [<level>]" */
1328         if (*cmd == '\0') {
1329                 pos = buf;
1330                 end = buf + buflen;
1331                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1332                                   "Timestamp: %d\n",
1333                                   debug_level_str(wpa_debug_level),
1334                                   wpa_debug_timestamp);
1335                 if (ret < 0 || ret >= end - pos)
1336                         ret = 0;
1337
1338                 return ret;
1339         }
1340
1341         while (*cmd == ' ')
1342                 cmd++;
1343
1344         stamp = os_strchr(cmd, ' ');
1345         if (stamp) {
1346                 *stamp++ = '\0';
1347                 while (*stamp == ' ') {
1348                         stamp++;
1349                 }
1350         }
1351
1352         if (cmd && os_strlen(cmd)) {
1353                 int level = str_to_debug_level(cmd);
1354                 if (level < 0)
1355                         return -1;
1356                 wpa_debug_level = level;
1357         }
1358
1359         if (stamp && os_strlen(stamp))
1360                 wpa_debug_timestamp = atoi(stamp);
1361
1362         os_memcpy(buf, "OK\n", 3);
1363         return 3;
1364 }
1365
1366
1367 static int wpa_supplicant_ctrl_iface_list_networks(
1368         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1369 {
1370         char *pos, *end;
1371         struct wpa_ssid *ssid;
1372         int ret;
1373
1374         pos = buf;
1375         end = buf + buflen;
1376         ret = os_snprintf(pos, end - pos,
1377                           "network id / ssid / bssid / flags\n");
1378         if (ret < 0 || ret >= end - pos)
1379                 return pos - buf;
1380         pos += ret;
1381
1382         ssid = wpa_s->conf->ssid;
1383         while (ssid) {
1384                 ret = os_snprintf(pos, end - pos, "%d\t%s",
1385                                   ssid->id,
1386                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1387                 if (ret < 0 || ret >= end - pos)
1388                         return pos - buf;
1389                 pos += ret;
1390                 if (ssid->bssid_set) {
1391                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1392                                           MAC2STR(ssid->bssid));
1393                 } else {
1394                         ret = os_snprintf(pos, end - pos, "\tany");
1395                 }
1396                 if (ret < 0 || ret >= end - pos)
1397                         return pos - buf;
1398                 pos += ret;
1399                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
1400                                   ssid == wpa_s->current_ssid ?
1401                                   "[CURRENT]" : "",
1402                                   ssid->disabled ? "[DISABLED]" : "",
1403                                   ssid->disabled_until.sec ?
1404                                   "[TEMP-DISABLED]" : "",
1405                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1406                                   "");
1407                 if (ret < 0 || ret >= end - pos)
1408                         return pos - buf;
1409                 pos += ret;
1410                 ret = os_snprintf(pos, end - pos, "\n");
1411                 if (ret < 0 || ret >= end - pos)
1412                         return pos - buf;
1413                 pos += ret;
1414
1415                 ssid = ssid->next;
1416         }
1417
1418         return pos - buf;
1419 }
1420
1421
1422 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1423 {
1424         int first = 1, ret;
1425         ret = os_snprintf(pos, end - pos, "-");
1426         if (ret < 0 || ret >= end - pos)
1427                 return pos;
1428         pos += ret;
1429         if (cipher & WPA_CIPHER_NONE) {
1430                 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : "+");
1431                 if (ret < 0 || ret >= end - pos)
1432                         return pos;
1433                 pos += ret;
1434                 first = 0;
1435         }
1436         if (cipher & WPA_CIPHER_WEP40) {
1437                 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : "+");
1438                 if (ret < 0 || ret >= end - pos)
1439                         return pos;
1440                 pos += ret;
1441                 first = 0;
1442         }
1443         if (cipher & WPA_CIPHER_WEP104) {
1444                 ret = os_snprintf(pos, end - pos, "%sWEP104",
1445                                   first ? "" : "+");
1446                 if (ret < 0 || ret >= end - pos)
1447                         return pos;
1448                 pos += ret;
1449                 first = 0;
1450         }
1451         if (cipher & WPA_CIPHER_TKIP) {
1452                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : "+");
1453                 if (ret < 0 || ret >= end - pos)
1454                         return pos;
1455                 pos += ret;
1456                 first = 0;
1457         }
1458         if (cipher & WPA_CIPHER_CCMP) {
1459                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : "+");
1460                 if (ret < 0 || ret >= end - pos)
1461                         return pos;
1462                 pos += ret;
1463                 first = 0;
1464         }
1465         if (cipher & WPA_CIPHER_GCMP) {
1466                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : "+");
1467                 if (ret < 0 || ret >= end - pos)
1468                         return pos;
1469                 pos += ret;
1470                 first = 0;
1471         }
1472         return pos;
1473 }
1474
1475
1476 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1477                                     const u8 *ie, size_t ie_len)
1478 {
1479         struct wpa_ie_data data;
1480         int first, ret;
1481
1482         ret = os_snprintf(pos, end - pos, "[%s-", proto);
1483         if (ret < 0 || ret >= end - pos)
1484                 return pos;
1485         pos += ret;
1486
1487         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1488                 ret = os_snprintf(pos, end - pos, "?]");
1489                 if (ret < 0 || ret >= end - pos)
1490                         return pos;
1491                 pos += ret;
1492                 return pos;
1493         }
1494
1495         first = 1;
1496         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1497                 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1498                 if (ret < 0 || ret >= end - pos)
1499                         return pos;
1500                 pos += ret;
1501                 first = 0;
1502         }
1503         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1504                 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1505                 if (ret < 0 || ret >= end - pos)
1506                         return pos;
1507                 pos += ret;
1508                 first = 0;
1509         }
1510         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1511                 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1512                 if (ret < 0 || ret >= end - pos)
1513                         return pos;
1514                 pos += ret;
1515                 first = 0;
1516         }
1517 #ifdef CONFIG_IEEE80211R
1518         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1519                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1520                                   first ? "" : "+");
1521                 if (ret < 0 || ret >= end - pos)
1522                         return pos;
1523                 pos += ret;
1524                 first = 0;
1525         }
1526         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1527                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1528                                   first ? "" : "+");
1529                 if (ret < 0 || ret >= end - pos)
1530                         return pos;
1531                 pos += ret;
1532                 first = 0;
1533         }
1534 #endif /* CONFIG_IEEE80211R */
1535 #ifdef CONFIG_IEEE80211W
1536         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1537                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1538                                   first ? "" : "+");
1539                 if (ret < 0 || ret >= end - pos)
1540                         return pos;
1541                 pos += ret;
1542                 first = 0;
1543         }
1544         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1545                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1546                                   first ? "" : "+");
1547                 if (ret < 0 || ret >= end - pos)
1548                         return pos;
1549                 pos += ret;
1550                 first = 0;
1551         }
1552 #endif /* CONFIG_IEEE80211W */
1553
1554         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1555
1556         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1557                 ret = os_snprintf(pos, end - pos, "-preauth");
1558                 if (ret < 0 || ret >= end - pos)
1559                         return pos;
1560                 pos += ret;
1561         }
1562
1563         ret = os_snprintf(pos, end - pos, "]");
1564         if (ret < 0 || ret >= end - pos)
1565                 return pos;
1566         pos += ret;
1567
1568         return pos;
1569 }
1570
1571
1572 #ifdef CONFIG_WPS
1573 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
1574                                             char *pos, char *end,
1575                                             struct wpabuf *wps_ie)
1576 {
1577         int ret;
1578         const char *txt;
1579
1580         if (wps_ie == NULL)
1581                 return pos;
1582         if (wps_is_selected_pbc_registrar(wps_ie))
1583                 txt = "[WPS-PBC]";
1584 #ifdef CONFIG_WPS2
1585         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
1586                 txt = "[WPS-AUTH]";
1587 #endif /* CONFIG_WPS2 */
1588         else if (wps_is_selected_pin_registrar(wps_ie))
1589                 txt = "[WPS-PIN]";
1590         else
1591                 txt = "[WPS]";
1592
1593         ret = os_snprintf(pos, end - pos, "%s", txt);
1594         if (ret >= 0 && ret < end - pos)
1595                 pos += ret;
1596         wpabuf_free(wps_ie);
1597         return pos;
1598 }
1599 #endif /* CONFIG_WPS */
1600
1601
1602 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
1603                                         char *pos, char *end,
1604                                         const struct wpa_bss *bss)
1605 {
1606 #ifdef CONFIG_WPS
1607         struct wpabuf *wps_ie;
1608         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1609         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
1610 #else /* CONFIG_WPS */
1611         return pos;
1612 #endif /* CONFIG_WPS */
1613 }
1614
1615
1616 /* Format one result on one text line into a buffer. */
1617 static int wpa_supplicant_ctrl_iface_scan_result(
1618         struct wpa_supplicant *wpa_s,
1619         const struct wpa_bss *bss, char *buf, size_t buflen)
1620 {
1621         char *pos, *end;
1622         int ret;
1623         const u8 *ie, *ie2, *p2p;
1624
1625         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
1626         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
1627             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
1628             0)
1629                 return 0; /* Do not show P2P listen discovery results here */
1630
1631         pos = buf;
1632         end = buf + buflen;
1633
1634         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
1635                           MAC2STR(bss->bssid), bss->freq, bss->level);
1636         if (ret < 0 || ret >= end - pos)
1637                 return -1;
1638         pos += ret;
1639         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
1640         if (ie)
1641                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
1642         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
1643         if (ie2)
1644                 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
1645         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
1646         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
1647                 ret = os_snprintf(pos, end - pos, "[WEP]");
1648                 if (ret < 0 || ret >= end - pos)
1649                         return -1;
1650                 pos += ret;
1651         }
1652         if (bss->caps & IEEE80211_CAP_IBSS) {
1653                 ret = os_snprintf(pos, end - pos, "[IBSS]");
1654                 if (ret < 0 || ret >= end - pos)
1655                         return -1;
1656                 pos += ret;
1657         }
1658         if (bss->caps & IEEE80211_CAP_ESS) {
1659                 ret = os_snprintf(pos, end - pos, "[ESS]");
1660                 if (ret < 0 || ret >= end - pos)
1661                         return -1;
1662                 pos += ret;
1663         }
1664         if (p2p) {
1665                 ret = os_snprintf(pos, end - pos, "[P2P]");
1666                 if (ret < 0 || ret >= end - pos)
1667                         return -1;
1668                 pos += ret;
1669         }
1670 #ifdef CONFIG_HS20
1671         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
1672                 ret = os_snprintf(pos, end - pos, "[HS20]");
1673                 if (ret < 0 || ret >= end - pos)
1674                         return -1;
1675                 pos += ret;
1676         }
1677 #endif /* CONFIG_HS20 */
1678
1679         ret = os_snprintf(pos, end - pos, "\t%s",
1680                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
1681         if (ret < 0 || ret >= end - pos)
1682                 return -1;
1683         pos += ret;
1684
1685         ret = os_snprintf(pos, end - pos, "\n");
1686         if (ret < 0 || ret >= end - pos)
1687                 return -1;
1688         pos += ret;
1689
1690         return pos - buf;
1691 }
1692
1693
1694 static int wpa_supplicant_ctrl_iface_scan_results(
1695         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1696 {
1697         char *pos, *end;
1698         struct wpa_bss *bss;
1699         int ret;
1700
1701         pos = buf;
1702         end = buf + buflen;
1703         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
1704                           "flags / ssid\n");
1705         if (ret < 0 || ret >= end - pos)
1706                 return pos - buf;
1707         pos += ret;
1708
1709         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
1710                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
1711                                                             end - pos);
1712                 if (ret < 0 || ret >= end - pos)
1713                         return pos - buf;
1714                 pos += ret;
1715         }
1716
1717         return pos - buf;
1718 }
1719
1720
1721 static int wpa_supplicant_ctrl_iface_select_network(
1722         struct wpa_supplicant *wpa_s, char *cmd)
1723 {
1724         int id;
1725         struct wpa_ssid *ssid;
1726
1727         /* cmd: "<network id>" or "any" */
1728         if (os_strcmp(cmd, "any") == 0) {
1729                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
1730                 ssid = NULL;
1731         } else {
1732                 id = atoi(cmd);
1733                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
1734
1735                 ssid = wpa_config_get_network(wpa_s->conf, id);
1736                 if (ssid == NULL) {
1737                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
1738                                    "network id=%d", id);
1739                         return -1;
1740                 }
1741                 if (ssid->disabled == 2) {
1742                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
1743                                    "SELECT_NETWORK with persistent P2P group");
1744                         return -1;
1745                 }
1746         }
1747
1748         wpa_supplicant_select_network(wpa_s, ssid);
1749
1750         return 0;
1751 }
1752
1753
1754 static int wpa_supplicant_ctrl_iface_enable_network(
1755         struct wpa_supplicant *wpa_s, char *cmd)
1756 {
1757         int id;
1758         struct wpa_ssid *ssid;
1759
1760         /* cmd: "<network id>" or "all" */
1761         if (os_strcmp(cmd, "all") == 0) {
1762                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
1763                 ssid = NULL;
1764         } else {
1765                 id = atoi(cmd);
1766                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
1767
1768                 ssid = wpa_config_get_network(wpa_s->conf, id);
1769                 if (ssid == NULL) {
1770                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
1771                                    "network id=%d", id);
1772                         return -1;
1773                 }
1774                 if (ssid->disabled == 2) {
1775                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
1776                                    "ENABLE_NETWORK with persistent P2P group");
1777                         return -1;
1778                 }
1779
1780                 if (os_strstr(cmd, " no-connect")) {
1781                         ssid->disabled = 0;
1782                         return 0;
1783                 }
1784         }
1785         wpa_supplicant_enable_network(wpa_s, ssid);
1786
1787         return 0;
1788 }
1789
1790
1791 static int wpa_supplicant_ctrl_iface_disable_network(
1792         struct wpa_supplicant *wpa_s, char *cmd)
1793 {
1794         int id;
1795         struct wpa_ssid *ssid;
1796
1797         /* cmd: "<network id>" or "all" */
1798         if (os_strcmp(cmd, "all") == 0) {
1799                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
1800                 ssid = NULL;
1801         } else {
1802                 id = atoi(cmd);
1803                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
1804
1805                 ssid = wpa_config_get_network(wpa_s->conf, id);
1806                 if (ssid == NULL) {
1807                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
1808                                    "network id=%d", id);
1809                         return -1;
1810                 }
1811                 if (ssid->disabled == 2) {
1812                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
1813                                    "DISABLE_NETWORK with persistent P2P "
1814                                    "group");
1815                         return -1;
1816                 }
1817         }
1818         wpa_supplicant_disable_network(wpa_s, ssid);
1819
1820         return 0;
1821 }
1822
1823
1824 static int wpa_supplicant_ctrl_iface_add_network(
1825         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1826 {
1827         struct wpa_ssid *ssid;
1828         int ret;
1829
1830         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
1831
1832         ssid = wpa_config_add_network(wpa_s->conf);
1833         if (ssid == NULL)
1834                 return -1;
1835
1836         wpas_notify_network_added(wpa_s, ssid);
1837
1838         ssid->disabled = 1;
1839         wpa_config_set_network_defaults(ssid);
1840
1841         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
1842         if (ret < 0 || (size_t) ret >= buflen)
1843                 return -1;
1844         return ret;
1845 }
1846
1847
1848 static int wpa_supplicant_ctrl_iface_remove_network(
1849         struct wpa_supplicant *wpa_s, char *cmd)
1850 {
1851         int id;
1852         struct wpa_ssid *ssid;
1853
1854         /* cmd: "<network id>" or "all" */
1855         if (os_strcmp(cmd, "all") == 0) {
1856                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
1857                 ssid = wpa_s->conf->ssid;
1858                 while (ssid) {
1859                         struct wpa_ssid *remove_ssid = ssid;
1860                         id = ssid->id;
1861                         ssid = ssid->next;
1862                         wpas_notify_network_removed(wpa_s, remove_ssid);
1863                         wpa_config_remove_network(wpa_s->conf, id);
1864                 }
1865                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
1866                 if (wpa_s->current_ssid) {
1867 #ifdef CONFIG_SME
1868                         wpa_s->sme.prev_bssid_set = 0;
1869 #endif /* CONFIG_SME */
1870                         wpa_sm_set_config(wpa_s->wpa, NULL);
1871                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
1872                         wpa_supplicant_disassociate(wpa_s,
1873                                                     WLAN_REASON_DEAUTH_LEAVING);
1874                 }
1875                 return 0;
1876         }
1877
1878         id = atoi(cmd);
1879         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
1880
1881         ssid = wpa_config_get_network(wpa_s->conf, id);
1882         if (ssid)
1883                 wpas_notify_network_removed(wpa_s, ssid);
1884         if (ssid == NULL) {
1885                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
1886                            "id=%d", id);
1887                 return -1;
1888         }
1889
1890         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
1891 #ifdef CONFIG_SME
1892                 wpa_s->sme.prev_bssid_set = 0;
1893 #endif /* CONFIG_SME */
1894                 /*
1895                  * Invalidate the EAP session cache if the current or
1896                  * previously used network is removed.
1897                  */
1898                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
1899         }
1900
1901         if (ssid == wpa_s->current_ssid) {
1902                 wpa_sm_set_config(wpa_s->wpa, NULL);
1903                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
1904
1905                 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1906         }
1907
1908         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
1909                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
1910                            "network id=%d", id);
1911                 return -1;
1912         }
1913
1914         return 0;
1915 }
1916
1917
1918 static int wpa_supplicant_ctrl_iface_set_network(
1919         struct wpa_supplicant *wpa_s, char *cmd)
1920 {
1921         int id;
1922         struct wpa_ssid *ssid;
1923         char *name, *value;
1924
1925         /* cmd: "<network id> <variable name> <value>" */
1926         name = os_strchr(cmd, ' ');
1927         if (name == NULL)
1928                 return -1;
1929         *name++ = '\0';
1930
1931         value = os_strchr(name, ' ');
1932         if (value == NULL)
1933                 return -1;
1934         *value++ = '\0';
1935
1936         id = atoi(cmd);
1937         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
1938                    id, name);
1939         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1940                               (u8 *) value, os_strlen(value));
1941
1942         ssid = wpa_config_get_network(wpa_s->conf, id);
1943         if (ssid == NULL) {
1944                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
1945                            "id=%d", id);
1946                 return -1;
1947         }
1948
1949         if (wpa_config_set(ssid, name, value, 0) < 0) {
1950                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
1951                            "variable '%s'", name);
1952                 return -1;
1953         }
1954
1955         wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
1956
1957         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
1958                 /*
1959                  * Invalidate the EAP session cache if anything in the current
1960                  * or previously used configuration changes.
1961                  */
1962                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
1963         }
1964
1965         if ((os_strcmp(name, "psk") == 0 &&
1966              value[0] == '"' && ssid->ssid_len) ||
1967             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
1968                 wpa_config_update_psk(ssid);
1969         else if (os_strcmp(name, "priority") == 0)
1970                 wpa_config_update_prio_list(wpa_s->conf);
1971
1972         return 0;
1973 }
1974
1975
1976 static int wpa_supplicant_ctrl_iface_get_network(
1977         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
1978 {
1979         int id;
1980         size_t res;
1981         struct wpa_ssid *ssid;
1982         char *name, *value;
1983
1984         /* cmd: "<network id> <variable name>" */
1985         name = os_strchr(cmd, ' ');
1986         if (name == NULL || buflen == 0)
1987                 return -1;
1988         *name++ = '\0';
1989
1990         id = atoi(cmd);
1991         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
1992                    id, name);
1993
1994         ssid = wpa_config_get_network(wpa_s->conf, id);
1995         if (ssid == NULL) {
1996                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
1997                            "id=%d", id);
1998                 return -1;
1999         }
2000
2001         value = wpa_config_get_no_key(ssid, name);
2002         if (value == NULL) {
2003                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2004                            "variable '%s'", name);
2005                 return -1;
2006         }
2007
2008         res = os_strlcpy(buf, value, buflen);
2009         if (res >= buflen) {
2010                 os_free(value);
2011                 return -1;
2012         }
2013
2014         os_free(value);
2015
2016         return res;
2017 }
2018
2019
2020 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2021                                                 char *buf, size_t buflen)
2022 {
2023         char *pos, *end;
2024         struct wpa_cred *cred;
2025         int ret;
2026
2027         pos = buf;
2028         end = buf + buflen;
2029         ret = os_snprintf(pos, end - pos,
2030                           "cred id / realm / username / domain / imsi\n");
2031         if (ret < 0 || ret >= end - pos)
2032                 return pos - buf;
2033         pos += ret;
2034
2035         cred = wpa_s->conf->cred;
2036         while (cred) {
2037                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2038                                   cred->id, cred->realm ? cred->realm : "",
2039                                   cred->username ? cred->username : "",
2040                                   cred->domain ? cred->domain : "",
2041                                   cred->imsi ? cred->imsi : "");
2042                 if (ret < 0 || ret >= end - pos)
2043                         return pos - buf;
2044                 pos += ret;
2045
2046                 cred = cred->next;
2047         }
2048
2049         return pos - buf;
2050 }
2051
2052
2053 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2054                                               char *buf, size_t buflen)
2055 {
2056         struct wpa_cred *cred;
2057         int ret;
2058
2059         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2060
2061         cred = wpa_config_add_cred(wpa_s->conf);
2062         if (cred == NULL)
2063                 return -1;
2064
2065         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2066         if (ret < 0 || (size_t) ret >= buflen)
2067                 return -1;
2068         return ret;
2069 }
2070
2071
2072 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2073                                                  char *cmd)
2074 {
2075         int id;
2076         struct wpa_cred *cred;
2077
2078         /* cmd: "<cred id>" or "all" */
2079         if (os_strcmp(cmd, "all") == 0) {
2080                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2081                 cred = wpa_s->conf->cred;
2082                 while (cred) {
2083                         id = cred->id;
2084                         cred = cred->next;
2085                         wpa_config_remove_cred(wpa_s->conf, id);
2086                 }
2087                 return 0;
2088         }
2089
2090         id = atoi(cmd);
2091         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2092
2093         cred = wpa_config_get_cred(wpa_s->conf, id);
2094         if (cred == NULL ||
2095             wpa_config_remove_cred(wpa_s->conf, id) < 0) {
2096                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2097                            id);
2098                 return -1;
2099         }
2100
2101         return 0;
2102 }
2103
2104
2105 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2106                                               char *cmd)
2107 {
2108         int id;
2109         struct wpa_cred *cred;
2110         char *name, *value;
2111
2112         /* cmd: "<cred id> <variable name> <value>" */
2113         name = os_strchr(cmd, ' ');
2114         if (name == NULL)
2115                 return -1;
2116         *name++ = '\0';
2117
2118         value = os_strchr(name, ' ');
2119         if (value == NULL)
2120                 return -1;
2121         *value++ = '\0';
2122
2123         id = atoi(cmd);
2124         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2125                    id, name);
2126         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2127                               (u8 *) value, os_strlen(value));
2128
2129         cred = wpa_config_get_cred(wpa_s->conf, id);
2130         if (cred == NULL) {
2131                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2132                            id);
2133                 return -1;
2134         }
2135
2136         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2137                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2138                            "variable '%s'", name);
2139                 return -1;
2140         }
2141
2142         return 0;
2143 }
2144
2145
2146 #ifndef CONFIG_NO_CONFIG_WRITE
2147 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2148 {
2149         int ret;
2150
2151         if (!wpa_s->conf->update_config) {
2152                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2153                            "to update configuration (update_config=0)");
2154                 return -1;
2155         }
2156
2157         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2158         if (ret) {
2159                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2160                            "update configuration");
2161         } else {
2162                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2163                            " updated");
2164         }
2165
2166         return ret;
2167 }
2168 #endif /* CONFIG_NO_CONFIG_WRITE */
2169
2170
2171 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2172                                               struct wpa_driver_capa *capa,
2173                                               char *buf, size_t buflen)
2174 {
2175         int ret, first = 1;
2176         char *pos, *end;
2177         size_t len;
2178
2179         pos = buf;
2180         end = pos + buflen;
2181
2182         if (res < 0) {
2183                 if (strict)
2184                         return 0;
2185                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2186                 if (len >= buflen)
2187                         return -1;
2188                 return len;
2189         }
2190
2191         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2192                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2193                 if (ret < 0 || ret >= end - pos)
2194                         return pos - buf;
2195                 pos += ret;
2196                 first = 0;
2197         }
2198
2199         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2200                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2201                 if (ret < 0 || ret >= end - pos)
2202                         return pos - buf;
2203                 pos += ret;
2204                 first = 0;
2205         }
2206
2207         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2208                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2209                 if (ret < 0 || ret >= end - pos)
2210                         return pos - buf;
2211                 pos += ret;
2212                 first = 0;
2213         }
2214
2215         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2216                 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
2217                 if (ret < 0 || ret >= end - pos)
2218                         return pos - buf;
2219                 pos += ret;
2220                 first = 0;
2221         }
2222
2223         return pos - buf;
2224 }
2225
2226
2227 static int ctrl_iface_get_capability_group(int res, char *strict,
2228                                            struct wpa_driver_capa *capa,
2229                                            char *buf, size_t buflen)
2230 {
2231         int ret, first = 1;
2232         char *pos, *end;
2233         size_t len;
2234
2235         pos = buf;
2236         end = pos + buflen;
2237
2238         if (res < 0) {
2239                 if (strict)
2240                         return 0;
2241                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2242                 if (len >= buflen)
2243                         return -1;
2244                 return len;
2245         }
2246
2247         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2248                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2249                 if (ret < 0 || ret >= end - pos)
2250                         return pos - buf;
2251                 pos += ret;
2252                 first = 0;
2253         }
2254
2255         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2256                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2257                 if (ret < 0 || ret >= end - pos)
2258                         return pos - buf;
2259                 pos += ret;
2260                 first = 0;
2261         }
2262
2263         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2264                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2265                 if (ret < 0 || ret >= end - pos)
2266                         return pos - buf;
2267                 pos += ret;
2268                 first = 0;
2269         }
2270
2271         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2272                 ret = os_snprintf(pos, end - pos, "%sWEP104",
2273                                   first ? "" : " ");
2274                 if (ret < 0 || ret >= end - pos)
2275                         return pos - buf;
2276                 pos += ret;
2277                 first = 0;
2278         }
2279
2280         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2281                 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
2282                 if (ret < 0 || ret >= end - pos)
2283                         return pos - buf;
2284                 pos += ret;
2285                 first = 0;
2286         }
2287
2288         return pos - buf;
2289 }
2290
2291
2292 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2293                                               struct wpa_driver_capa *capa,
2294                                               char *buf, size_t buflen)
2295 {
2296         int ret;
2297         char *pos, *end;
2298         size_t len;
2299
2300         pos = buf;
2301         end = pos + buflen;
2302
2303         if (res < 0) {
2304                 if (strict)
2305                         return 0;
2306                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2307                                  "NONE", buflen);
2308                 if (len >= buflen)
2309                         return -1;
2310                 return len;
2311         }
2312
2313         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2314         if (ret < 0 || ret >= end - pos)
2315                 return pos - buf;
2316         pos += ret;
2317
2318         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2319                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2320                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2321                 if (ret < 0 || ret >= end - pos)
2322                         return pos - buf;
2323                 pos += ret;
2324         }
2325
2326         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2327                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2328                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2329                 if (ret < 0 || ret >= end - pos)
2330                         return pos - buf;
2331                 pos += ret;
2332         }
2333
2334         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2335                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2336                 if (ret < 0 || ret >= end - pos)
2337                         return pos - buf;
2338                 pos += ret;
2339         }
2340
2341         return pos - buf;
2342 }
2343
2344
2345 static int ctrl_iface_get_capability_proto(int res, char *strict,
2346                                            struct wpa_driver_capa *capa,
2347                                            char *buf, size_t buflen)
2348 {
2349         int ret, first = 1;
2350         char *pos, *end;
2351         size_t len;
2352
2353         pos = buf;
2354         end = pos + buflen;
2355
2356         if (res < 0) {
2357                 if (strict)
2358                         return 0;
2359                 len = os_strlcpy(buf, "RSN WPA", buflen);
2360                 if (len >= buflen)
2361                         return -1;
2362                 return len;
2363         }
2364
2365         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2366                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2367                 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2368                 if (ret < 0 || ret >= end - pos)
2369                         return pos - buf;
2370                 pos += ret;
2371                 first = 0;
2372         }
2373
2374         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2375                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2376                 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2377                 if (ret < 0 || ret >= end - pos)
2378                         return pos - buf;
2379                 pos += ret;
2380                 first = 0;
2381         }
2382
2383         return pos - buf;
2384 }
2385
2386
2387 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2388                                               struct wpa_driver_capa *capa,
2389                                               char *buf, size_t buflen)
2390 {
2391         int ret, first = 1;
2392         char *pos, *end;
2393         size_t len;
2394
2395         pos = buf;
2396         end = pos + buflen;
2397
2398         if (res < 0) {
2399                 if (strict)
2400                         return 0;
2401                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2402                 if (len >= buflen)
2403                         return -1;
2404                 return len;
2405         }
2406
2407         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2408                 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2409                 if (ret < 0 || ret >= end - pos)
2410                         return pos - buf;
2411                 pos += ret;
2412                 first = 0;
2413         }
2414
2415         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2416                 ret = os_snprintf(pos, end - pos, "%sSHARED",
2417                                   first ? "" : " ");
2418                 if (ret < 0 || ret >= end - pos)
2419                         return pos - buf;
2420                 pos += ret;
2421                 first = 0;
2422         }
2423
2424         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2425                 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2426                 if (ret < 0 || ret >= end - pos)
2427                         return pos - buf;
2428                 pos += ret;
2429                 first = 0;
2430         }
2431
2432         return pos - buf;
2433 }
2434
2435
2436 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
2437                                               char *buf, size_t buflen)
2438 {
2439         struct hostapd_channel_data *chnl;
2440         int ret, i, j;
2441         char *pos, *end, *hmode;
2442
2443         pos = buf;
2444         end = pos + buflen;
2445
2446         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2447                 switch (wpa_s->hw.modes[j].mode) {
2448                 case HOSTAPD_MODE_IEEE80211B:
2449                         hmode = "B";
2450                         break;
2451                 case HOSTAPD_MODE_IEEE80211G:
2452                         hmode = "G";
2453                         break;
2454                 case HOSTAPD_MODE_IEEE80211A:
2455                         hmode = "A";
2456                         break;
2457                 default:
2458                         continue;
2459                 }
2460                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
2461                 if (ret < 0 || ret >= end - pos)
2462                         return pos - buf;
2463                 pos += ret;
2464                 chnl = wpa_s->hw.modes[j].channels;
2465                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2466                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2467                                 continue;
2468                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
2469                         if (ret < 0 || ret >= end - pos)
2470                                 return pos - buf;
2471                         pos += ret;
2472                 }
2473                 ret = os_snprintf(pos, end - pos, "\n");
2474                 if (ret < 0 || ret >= end - pos)
2475                         return pos - buf;
2476                 pos += ret;
2477         }
2478
2479         return pos - buf;
2480 }
2481
2482
2483 static int wpa_supplicant_ctrl_iface_get_capability(
2484         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
2485         size_t buflen)
2486 {
2487         struct wpa_driver_capa capa;
2488         int res;
2489         char *strict;
2490         char field[30];
2491         size_t len;
2492
2493         /* Determine whether or not strict checking was requested */
2494         len = os_strlcpy(field, _field, sizeof(field));
2495         if (len >= sizeof(field))
2496                 return -1;
2497         strict = os_strchr(field, ' ');
2498         if (strict != NULL) {
2499                 *strict++ = '\0';
2500                 if (os_strcmp(strict, "strict") != 0)
2501                         return -1;
2502         }
2503
2504         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
2505                 field, strict ? strict : "");
2506
2507         if (os_strcmp(field, "eap") == 0) {
2508                 return eap_get_names(buf, buflen);
2509         }
2510
2511         res = wpa_drv_get_capa(wpa_s, &capa);
2512
2513         if (os_strcmp(field, "pairwise") == 0)
2514                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
2515                                                           buf, buflen);
2516
2517         if (os_strcmp(field, "group") == 0)
2518                 return ctrl_iface_get_capability_group(res, strict, &capa,
2519                                                        buf, buflen);
2520
2521         if (os_strcmp(field, "key_mgmt") == 0)
2522                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
2523                                                           buf, buflen);
2524
2525         if (os_strcmp(field, "proto") == 0)
2526                 return ctrl_iface_get_capability_proto(res, strict, &capa,
2527                                                        buf, buflen);
2528
2529         if (os_strcmp(field, "auth_alg") == 0)
2530                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
2531                                                           buf, buflen);
2532
2533         if (os_strcmp(field, "channels") == 0)
2534                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
2535
2536         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
2537                    field);
2538
2539         return -1;
2540 }
2541
2542
2543 #ifdef CONFIG_INTERWORKING
2544 static char * anqp_add_hex(char *pos, char *end, const char *title,
2545                            struct wpabuf *data)
2546 {
2547         char *start = pos;
2548         size_t i;
2549         int ret;
2550         const u8 *d;
2551
2552         if (data == NULL)
2553                 return start;
2554
2555         ret = os_snprintf(pos, end - pos, "%s=", title);
2556         if (ret < 0 || ret >= end - pos)
2557                 return start;
2558         pos += ret;
2559
2560         d = wpabuf_head_u8(data);
2561         for (i = 0; i < wpabuf_len(data); i++) {
2562                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
2563                 if (ret < 0 || ret >= end - pos)
2564                         return start;
2565                 pos += ret;
2566         }
2567
2568         ret = os_snprintf(pos, end - pos, "\n");
2569         if (ret < 0 || ret >= end - pos)
2570                 return start;
2571         pos += ret;
2572
2573         return pos;
2574 }
2575 #endif /* CONFIG_INTERWORKING */
2576
2577
2578 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
2579                           unsigned long mask, char *buf, size_t buflen)
2580 {
2581         size_t i;
2582         int ret;
2583         char *pos, *end;
2584         const u8 *ie, *ie2;
2585
2586         pos = buf;
2587         end = buf + buflen;
2588
2589         if (mask & WPA_BSS_MASK_ID) {
2590                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
2591                 if (ret < 0 || ret >= end - pos)
2592                         return 0;
2593                 pos += ret;
2594         }
2595
2596         if (mask & WPA_BSS_MASK_BSSID) {
2597                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
2598                                   MAC2STR(bss->bssid));
2599                 if (ret < 0 || ret >= end - pos)
2600                         return 0;
2601                 pos += ret;
2602         }
2603
2604         if (mask & WPA_BSS_MASK_FREQ) {
2605                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
2606                 if (ret < 0 || ret >= end - pos)
2607                         return 0;
2608                 pos += ret;
2609         }
2610
2611         if (mask & WPA_BSS_MASK_BEACON_INT) {
2612                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
2613                                   bss->beacon_int);
2614                 if (ret < 0 || ret >= end - pos)
2615                         return 0;
2616                 pos += ret;
2617         }
2618
2619         if (mask & WPA_BSS_MASK_CAPABILITIES) {
2620                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
2621                                   bss->caps);
2622                 if (ret < 0 || ret >= end - pos)
2623                         return 0;
2624                 pos += ret;
2625         }
2626
2627         if (mask & WPA_BSS_MASK_QUAL) {
2628                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
2629                 if (ret < 0 || ret >= end - pos)
2630                         return 0;
2631                 pos += ret;
2632         }
2633
2634         if (mask & WPA_BSS_MASK_NOISE) {
2635                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
2636                 if (ret < 0 || ret >= end - pos)
2637                         return 0;
2638                 pos += ret;
2639         }
2640
2641         if (mask & WPA_BSS_MASK_LEVEL) {
2642                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
2643                 if (ret < 0 || ret >= end - pos)
2644                         return 0;
2645                 pos += ret;
2646         }
2647
2648         if (mask & WPA_BSS_MASK_TSF) {
2649                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
2650                                   (unsigned long long) bss->tsf);
2651                 if (ret < 0 || ret >= end - pos)
2652                         return 0;
2653                 pos += ret;
2654         }
2655
2656         if (mask & WPA_BSS_MASK_AGE) {
2657                 struct os_time now;
2658
2659                 os_get_time(&now);
2660                 ret = os_snprintf(pos, end - pos, "age=%d\n",
2661                                   (int) (now.sec - bss->last_update.sec));
2662                 if (ret < 0 || ret >= end - pos)
2663                         return 0;
2664                 pos += ret;
2665         }
2666
2667         if (mask & WPA_BSS_MASK_IE) {
2668                 ret = os_snprintf(pos, end - pos, "ie=");
2669                 if (ret < 0 || ret >= end - pos)
2670                         return 0;
2671                 pos += ret;
2672
2673                 ie = (const u8 *) (bss + 1);
2674                 for (i = 0; i < bss->ie_len; i++) {
2675                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
2676                         if (ret < 0 || ret >= end - pos)
2677                                 return 0;
2678                         pos += ret;
2679                 }
2680
2681                 ret = os_snprintf(pos, end - pos, "\n");
2682                 if (ret < 0 || ret >= end - pos)
2683                         return 0;
2684                 pos += ret;
2685         }
2686
2687         if (mask & WPA_BSS_MASK_FLAGS) {
2688                 ret = os_snprintf(pos, end - pos, "flags=");
2689                 if (ret < 0 || ret >= end - pos)
2690                         return 0;
2691                 pos += ret;
2692
2693                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2694                 if (ie)
2695                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
2696                                                     2 + ie[1]);
2697                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2698                 if (ie2)
2699                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
2700                                                     2 + ie2[1]);
2701                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2702                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2703                         ret = os_snprintf(pos, end - pos, "[WEP]");
2704                         if (ret < 0 || ret >= end - pos)
2705                                 return 0;
2706                         pos += ret;
2707                 }
2708                 if (bss->caps & IEEE80211_CAP_IBSS) {
2709                         ret = os_snprintf(pos, end - pos, "[IBSS]");
2710                         if (ret < 0 || ret >= end - pos)
2711                                 return 0;
2712                         pos += ret;
2713                 }
2714                 if (bss->caps & IEEE80211_CAP_ESS) {
2715                         ret = os_snprintf(pos, end - pos, "[ESS]");
2716                         if (ret < 0 || ret >= end - pos)
2717                                 return 0;
2718                         pos += ret;
2719                 }
2720                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE)) {
2721                         ret = os_snprintf(pos, end - pos, "[P2P]");
2722                         if (ret < 0 || ret >= end - pos)
2723                                 return 0;
2724                         pos += ret;
2725                 }
2726 #ifdef CONFIG_HS20
2727                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
2728                         ret = os_snprintf(pos, end - pos, "[HS20]");
2729                         if (ret < 0 || ret >= end - pos)
2730                                 return -1;
2731                         pos += ret;
2732                 }
2733 #endif /* CONFIG_HS20 */
2734
2735                 ret = os_snprintf(pos, end - pos, "\n");
2736                 if (ret < 0 || ret >= end - pos)
2737                         return 0;
2738                 pos += ret;
2739         }
2740
2741         if (mask & WPA_BSS_MASK_SSID) {
2742                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
2743                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
2744                 if (ret < 0 || ret >= end - pos)
2745                         return 0;
2746                 pos += ret;
2747         }
2748
2749 #ifdef CONFIG_WPS
2750         if (mask & WPA_BSS_MASK_WPS_SCAN) {
2751                 ie = (const u8 *) (bss + 1);
2752                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
2753                 if (ret < 0 || ret >= end - pos)
2754                         return 0;
2755                 pos += ret;
2756         }
2757 #endif /* CONFIG_WPS */
2758
2759 #ifdef CONFIG_P2P
2760         if (mask & WPA_BSS_MASK_P2P_SCAN) {
2761                 ie = (const u8 *) (bss + 1);
2762                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
2763                 if (ret < 0 || ret >= end - pos)
2764                         return 0;
2765                 pos += ret;
2766         }
2767 #endif /* CONFIG_P2P */
2768
2769 #ifdef CONFIG_WIFI_DISPLAY
2770         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
2771                 struct wpabuf *wfd;
2772                 ie = (const u8 *) (bss + 1);
2773                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
2774                                                   WFD_IE_VENDOR_TYPE);
2775                 if (wfd) {
2776                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
2777                         if (ret < 0 || ret >= end - pos)
2778                                 return pos - buf;
2779                         pos += ret;
2780
2781                         pos += wpa_snprintf_hex(pos, end - pos,
2782                                                 wpabuf_head(wfd),
2783                                                 wpabuf_len(wfd));
2784                         wpabuf_free(wfd);
2785
2786                         ret = os_snprintf(pos, end - pos, "\n");
2787                         if (ret < 0 || ret >= end - pos)
2788                                 return pos - buf;
2789                         pos += ret;
2790                 }
2791         }
2792 #endif /* CONFIG_WIFI_DISPLAY */
2793
2794 #ifdef CONFIG_INTERWORKING
2795         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
2796                 struct wpa_bss_anqp *anqp = bss->anqp;
2797                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
2798                                    anqp->venue_name);
2799                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
2800                                    anqp->network_auth_type);
2801                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
2802                                    anqp->roaming_consortium);
2803                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
2804                                    anqp->ip_addr_type_availability);
2805                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
2806                                    anqp->nai_realm);
2807                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
2808                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
2809                                    anqp->domain_name);
2810 #ifdef CONFIG_HS20
2811                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
2812                                    anqp->hs20_operator_friendly_name);
2813                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
2814                                    anqp->hs20_wan_metrics);
2815                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
2816                                    anqp->hs20_connection_capability);
2817 #endif /* CONFIG_HS20 */
2818         }
2819 #endif /* CONFIG_INTERWORKING */
2820
2821 #ifdef ANDROID
2822         ret = os_snprintf(pos, end - pos, "====\n");
2823         if (ret < 0 || ret >= end - pos)
2824                 return 0;
2825         pos += ret;
2826 #endif
2827
2828         return pos - buf;
2829 }
2830
2831
2832 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
2833                                          const char *cmd, char *buf,
2834                                          size_t buflen)
2835 {
2836         u8 bssid[ETH_ALEN];
2837         size_t i;
2838         struct wpa_bss *bss;
2839         struct wpa_bss *bsslast = NULL;
2840         struct dl_list *next;
2841         int ret = 0;
2842         int len;
2843         char *ctmp;
2844         unsigned long mask = WPA_BSS_MASK_ALL;
2845
2846         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
2847                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
2848                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
2849                                             list_id);
2850                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
2851                                                list_id);
2852                 } else { /* N1-N2 */
2853                         unsigned int id1, id2;
2854
2855                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
2856                                 wpa_printf(MSG_INFO, "Wrong BSS range "
2857                                            "format");
2858                                 return 0;
2859                         }
2860
2861                         id1 = atoi(cmd + 6);
2862                         bss = wpa_bss_get_id(wpa_s, id1);
2863                         id2 = atoi(ctmp + 1);
2864                         if (id2 == 0)
2865                                 bsslast = dl_list_last(&wpa_s->bss_id,
2866                                                        struct wpa_bss,
2867                                                        list_id);
2868                         else {
2869                                 bsslast = wpa_bss_get_id(wpa_s, id2);
2870                                 if (bsslast == NULL && bss && id2 > id1) {
2871                                         struct wpa_bss *tmp = bss;
2872                                         for (;;) {
2873                                                 next = tmp->list_id.next;
2874                                                 if (next == &wpa_s->bss_id)
2875                                                         break;
2876                                                 tmp = dl_list_entry(
2877                                                         next, struct wpa_bss,
2878                                                         list_id);
2879                                                 if (tmp->id > id2)
2880                                                         break;
2881                                                 bsslast = tmp;
2882                                         }
2883                                 }
2884                         }
2885                 }
2886         } else if (os_strcmp(cmd, "FIRST") == 0)
2887                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
2888         else if (os_strncmp(cmd, "ID-", 3) == 0) {
2889                 i = atoi(cmd + 3);
2890                 bss = wpa_bss_get_id(wpa_s, i);
2891         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
2892                 i = atoi(cmd + 5);
2893                 bss = wpa_bss_get_id(wpa_s, i);
2894                 if (bss) {
2895                         next = bss->list_id.next;
2896                         if (next == &wpa_s->bss_id)
2897                                 bss = NULL;
2898                         else
2899                                 bss = dl_list_entry(next, struct wpa_bss,
2900                                                     list_id);
2901                 }
2902 #ifdef CONFIG_P2P
2903         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
2904                 if (hwaddr_aton(cmd + 13, bssid) == 0)
2905                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
2906                 else
2907                         bss = NULL;
2908 #endif /* CONFIG_P2P */
2909         } else if (hwaddr_aton(cmd, bssid) == 0)
2910                 bss = wpa_bss_get_bssid(wpa_s, bssid);
2911         else {
2912                 struct wpa_bss *tmp;
2913                 i = atoi(cmd);
2914                 bss = NULL;
2915                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
2916                 {
2917                         if (i-- == 0) {
2918                                 bss = tmp;
2919                                 break;
2920                         }
2921                 }
2922         }
2923
2924         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
2925                 mask = strtoul(ctmp + 5, NULL, 0x10);
2926                 if (mask == 0)
2927                         mask = WPA_BSS_MASK_ALL;
2928         }
2929
2930         if (bss == NULL)
2931                 return 0;
2932
2933         if (bsslast == NULL)
2934                 bsslast = bss;
2935         do {
2936                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
2937                 ret += len;
2938                 buf += len;
2939                 buflen -= len;
2940                 if (bss == bsslast)
2941                         break;
2942                 next = bss->list_id.next;
2943                 if (next == &wpa_s->bss_id)
2944                         break;
2945                 bss = dl_list_entry(next, struct wpa_bss, list_id);
2946         } while (bss && len);
2947
2948         return ret;
2949 }
2950
2951
2952 static int wpa_supplicant_ctrl_iface_ap_scan(
2953         struct wpa_supplicant *wpa_s, char *cmd)
2954 {
2955         int ap_scan = atoi(cmd);
2956         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
2957 }
2958
2959
2960 static int wpa_supplicant_ctrl_iface_scan_interval(
2961         struct wpa_supplicant *wpa_s, char *cmd)
2962 {
2963         int scan_int = atoi(cmd);
2964         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
2965 }
2966
2967
2968 static int wpa_supplicant_ctrl_iface_bss_expire_age(
2969         struct wpa_supplicant *wpa_s, char *cmd)
2970 {
2971         int expire_age = atoi(cmd);
2972         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
2973 }
2974
2975
2976 static int wpa_supplicant_ctrl_iface_bss_expire_count(
2977         struct wpa_supplicant *wpa_s, char *cmd)
2978 {
2979         int expire_count = atoi(cmd);
2980         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
2981 }
2982
2983
2984 static int wpa_supplicant_ctrl_iface_bss_flush(
2985         struct wpa_supplicant *wpa_s, char *cmd)
2986 {
2987         int flush_age = atoi(cmd);
2988
2989         if (flush_age == 0)
2990                 wpa_bss_flush(wpa_s);
2991         else
2992                 wpa_bss_flush_by_age(wpa_s, flush_age);
2993         return 0;
2994 }
2995
2996
2997 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
2998 {
2999         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3000         /* MLME-DELETEKEYS.request */
3001         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3002         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3003         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3004         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3005 #ifdef CONFIG_IEEE80211W
3006         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3007         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3008 #endif /* CONFIG_IEEE80211W */
3009
3010         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3011                         0);
3012         /* MLME-SETPROTECTION.request(None) */
3013         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3014                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3015                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3016         wpa_sm_drop_sa(wpa_s->wpa);
3017 }
3018
3019
3020 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3021                                           char *addr)
3022 {
3023 #ifdef CONFIG_NO_SCAN_PROCESSING
3024         return -1;
3025 #else /* CONFIG_NO_SCAN_PROCESSING */
3026         u8 bssid[ETH_ALEN];
3027         struct wpa_bss *bss;
3028         struct wpa_ssid *ssid = wpa_s->current_ssid;
3029
3030         if (hwaddr_aton(addr, bssid)) {
3031                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3032                            "address '%s'", addr);
3033                 return -1;
3034         }
3035
3036         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3037
3038         bss = wpa_bss_get_bssid(wpa_s, bssid);
3039         if (!bss) {
3040                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3041                            "from BSS table");
3042                 return -1;
3043         }
3044
3045         /*
3046          * TODO: Find best network configuration block from configuration to
3047          * allow roaming to other networks
3048          */
3049
3050         if (!ssid) {
3051                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3052                            "configuration known for the target AP");
3053                 return -1;
3054         }
3055
3056         wpa_s->reassociate = 1;
3057         wpa_supplicant_connect(wpa_s, bss, ssid);
3058
3059         return 0;
3060 #endif /* CONFIG_NO_SCAN_PROCESSING */
3061 }
3062
3063
3064 #ifdef CONFIG_P2P
3065 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3066 {
3067         unsigned int timeout = atoi(cmd);
3068         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3069         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3070         char *pos;
3071         unsigned int search_delay;
3072
3073         if (os_strstr(cmd, "type=social"))
3074                 type = P2P_FIND_ONLY_SOCIAL;
3075         else if (os_strstr(cmd, "type=progressive"))
3076                 type = P2P_FIND_PROGRESSIVE;
3077
3078         pos = os_strstr(cmd, "dev_id=");
3079         if (pos) {
3080                 pos += 7;
3081                 if (hwaddr_aton(pos, dev_id))
3082                         return -1;
3083                 _dev_id = dev_id;
3084         }
3085
3086         pos = os_strstr(cmd, "delay=");
3087         if (pos) {
3088                 pos += 6;
3089                 search_delay = atoi(pos);
3090         } else
3091                 search_delay = wpas_p2p_search_delay(wpa_s);
3092
3093         return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3094                              search_delay);
3095 }
3096
3097
3098 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3099                             char *buf, size_t buflen)
3100 {
3101         u8 addr[ETH_ALEN];
3102         char *pos, *pos2;
3103         char *pin = NULL;
3104         enum p2p_wps_method wps_method;
3105         int new_pin;
3106         int ret;
3107         int persistent_group, persistent_id = -1;
3108         int join;
3109         int auth;
3110         int automatic;
3111         int go_intent = -1;
3112         int freq = 0;
3113         int pd;
3114         int ht40;
3115
3116         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3117          * [persistent|persistent=<network id>]
3118          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3119          * [ht40] */
3120
3121         if (hwaddr_aton(cmd, addr))
3122                 return -1;
3123
3124         pos = cmd + 17;
3125         if (*pos != ' ')
3126                 return -1;
3127         pos++;
3128
3129         persistent_group = os_strstr(pos, " persistent") != NULL;
3130         pos2 = os_strstr(pos, " persistent=");
3131         if (pos2) {
3132                 struct wpa_ssid *ssid;
3133                 persistent_id = atoi(pos2 + 12);
3134                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3135                 if (ssid == NULL || ssid->disabled != 2 ||
3136                     ssid->mode != WPAS_MODE_P2P_GO) {
3137                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3138                                    "SSID id=%d for persistent P2P group (GO)",
3139                                    persistent_id);
3140                         return -1;
3141                 }
3142         }
3143         join = os_strstr(pos, " join") != NULL;
3144         auth = os_strstr(pos, " auth") != NULL;
3145         automatic = os_strstr(pos, " auto") != NULL;
3146         pd = os_strstr(pos, " provdisc") != NULL;
3147         ht40 = os_strstr(pos, " ht40") != NULL;
3148
3149         pos2 = os_strstr(pos, " go_intent=");
3150         if (pos2) {
3151                 pos2 += 11;
3152                 go_intent = atoi(pos2);
3153                 if (go_intent < 0 || go_intent > 15)
3154                         return -1;
3155         }
3156
3157         pos2 = os_strstr(pos, " freq=");
3158         if (pos2) {
3159                 pos2 += 6;
3160                 freq = atoi(pos2);
3161                 if (freq <= 0)
3162                         return -1;
3163         }
3164
3165         if (os_strncmp(pos, "pin", 3) == 0) {
3166                 /* Request random PIN (to be displayed) and enable the PIN */
3167                 wps_method = WPS_PIN_DISPLAY;
3168         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3169                 wps_method = WPS_PBC;
3170         } else {
3171                 pin = pos;
3172                 pos = os_strchr(pin, ' ');
3173                 wps_method = WPS_PIN_KEYPAD;
3174                 if (pos) {
3175                         *pos++ = '\0';
3176                         if (os_strncmp(pos, "display", 7) == 0)
3177                                 wps_method = WPS_PIN_DISPLAY;
3178                 }
3179                 if (!wps_pin_str_valid(pin)) {
3180                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3181                         return 17;
3182                 }
3183         }
3184
3185         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3186                                    persistent_group, automatic, join,
3187                                    auth, go_intent, freq, persistent_id, pd,
3188                                    ht40);
3189         if (new_pin == -2) {
3190                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3191                 return 25;
3192         }
3193         if (new_pin == -3) {
3194                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3195                 return 25;
3196         }
3197         if (new_pin < 0)
3198                 return -1;
3199         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3200                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3201                 if (ret < 0 || (size_t) ret >= buflen)
3202                         return -1;
3203                 return ret;
3204         }
3205
3206         os_memcpy(buf, "OK\n", 3);
3207         return 3;
3208 }
3209
3210
3211 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3212 {
3213         unsigned int timeout = atoi(cmd);
3214         return wpas_p2p_listen(wpa_s, timeout);
3215 }
3216
3217
3218 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3219 {
3220         u8 addr[ETH_ALEN];
3221         char *pos;
3222         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3223
3224         /* <addr> <config method> [join|auto] */
3225
3226         if (hwaddr_aton(cmd, addr))
3227                 return -1;
3228
3229         pos = cmd + 17;
3230         if (*pos != ' ')
3231                 return -1;
3232         pos++;
3233
3234         if (os_strstr(pos, " join") != NULL)
3235                 use = WPAS_P2P_PD_FOR_JOIN;
3236         else if (os_strstr(pos, " auto") != NULL)
3237                 use = WPAS_P2P_PD_AUTO;
3238
3239         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3240 }
3241
3242
3243 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3244                               size_t buflen)
3245 {
3246         struct wpa_ssid *ssid = wpa_s->current_ssid;
3247
3248         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3249             ssid->passphrase == NULL)
3250                 return -1;
3251
3252         os_strlcpy(buf, ssid->passphrase, buflen);
3253         return os_strlen(buf);
3254 }
3255
3256
3257 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3258                                   char *buf, size_t buflen)
3259 {
3260         u64 ref;
3261         int res;
3262         u8 dst_buf[ETH_ALEN], *dst;
3263         struct wpabuf *tlvs;
3264         char *pos;
3265         size_t len;
3266
3267         if (hwaddr_aton(cmd, dst_buf))
3268                 return -1;
3269         dst = dst_buf;
3270         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3271             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3272                 dst = NULL;
3273         pos = cmd + 17;
3274         if (*pos != ' ')
3275                 return -1;
3276         pos++;
3277
3278         if (os_strncmp(pos, "upnp ", 5) == 0) {
3279                 u8 version;
3280                 pos += 5;
3281                 if (hexstr2bin(pos, &version, 1) < 0)
3282                         return -1;
3283                 pos += 2;
3284                 if (*pos != ' ')
3285                         return -1;
3286                 pos++;
3287                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3288 #ifdef CONFIG_WIFI_DISPLAY
3289         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3290                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3291 #endif /* CONFIG_WIFI_DISPLAY */
3292         } else {
3293                 len = os_strlen(pos);
3294                 if (len & 1)
3295                         return -1;
3296                 len /= 2;
3297                 tlvs = wpabuf_alloc(len);
3298                 if (tlvs == NULL)
3299                         return -1;
3300                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3301                         wpabuf_free(tlvs);
3302                         return -1;
3303                 }
3304
3305                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3306                 wpabuf_free(tlvs);
3307         }
3308         if (ref == 0)
3309                 return -1;
3310         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3311         if (res < 0 || (unsigned) res >= buflen)
3312                 return -1;
3313         return res;
3314 }
3315
3316
3317 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3318                                          char *cmd)
3319 {
3320         long long unsigned val;
3321         u64 req;
3322         if (sscanf(cmd, "%llx", &val) != 1)
3323                 return -1;
3324         req = val;
3325         return wpas_p2p_sd_cancel_request(wpa_s, req);
3326 }
3327
3328
3329 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3330 {
3331         int freq;
3332         u8 dst[ETH_ALEN];
3333         u8 dialog_token;
3334         struct wpabuf *resp_tlvs;
3335         char *pos, *pos2;
3336         size_t len;
3337
3338         pos = os_strchr(cmd, ' ');
3339         if (pos == NULL)
3340                 return -1;
3341         *pos++ = '\0';
3342         freq = atoi(cmd);
3343         if (freq == 0)
3344                 return -1;
3345
3346         if (hwaddr_aton(pos, dst))
3347                 return -1;
3348         pos += 17;
3349         if (*pos != ' ')
3350                 return -1;
3351         pos++;
3352
3353         pos2 = os_strchr(pos, ' ');
3354         if (pos2 == NULL)
3355                 return -1;
3356         *pos2++ = '\0';
3357         dialog_token = atoi(pos);
3358
3359         len = os_strlen(pos2);
3360         if (len & 1)
3361                 return -1;
3362         len /= 2;
3363         resp_tlvs = wpabuf_alloc(len);
3364         if (resp_tlvs == NULL)
3365                 return -1;
3366         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3367                 wpabuf_free(resp_tlvs);
3368                 return -1;
3369         }
3370
3371         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3372         wpabuf_free(resp_tlvs);
3373         return 0;
3374 }
3375
3376
3377 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3378                                        char *cmd)
3379 {
3380         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3381                 return -1;
3382         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3383         return 0;
3384 }
3385
3386
3387 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3388                                         char *cmd)
3389 {
3390         char *pos;
3391         size_t len;
3392         struct wpabuf *query, *resp;
3393
3394         pos = os_strchr(cmd, ' ');
3395         if (pos == NULL)
3396                 return -1;
3397         *pos++ = '\0';
3398
3399         len = os_strlen(cmd);
3400         if (len & 1)
3401                 return -1;
3402         len /= 2;
3403         query = wpabuf_alloc(len);
3404         if (query == NULL)
3405                 return -1;
3406         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3407                 wpabuf_free(query);
3408                 return -1;
3409         }
3410
3411         len = os_strlen(pos);
3412         if (len & 1) {
3413                 wpabuf_free(query);
3414                 return -1;
3415         }
3416         len /= 2;
3417         resp = wpabuf_alloc(len);
3418         if (resp == NULL) {
3419                 wpabuf_free(query);
3420                 return -1;
3421         }
3422         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
3423                 wpabuf_free(query);
3424                 wpabuf_free(resp);
3425                 return -1;
3426         }
3427
3428         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
3429                 wpabuf_free(query);
3430                 wpabuf_free(resp);
3431                 return -1;
3432         }
3433         return 0;
3434 }
3435
3436
3437 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3438 {
3439         char *pos;
3440         u8 version;
3441
3442         pos = os_strchr(cmd, ' ');
3443         if (pos == NULL)
3444                 return -1;
3445         *pos++ = '\0';
3446
3447         if (hexstr2bin(cmd, &version, 1) < 0)
3448                 return -1;
3449
3450         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
3451 }
3452
3453
3454 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
3455 {
3456         char *pos;
3457
3458         pos = os_strchr(cmd, ' ');
3459         if (pos == NULL)
3460                 return -1;
3461         *pos++ = '\0';
3462
3463         if (os_strcmp(cmd, "bonjour") == 0)
3464                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
3465         if (os_strcmp(cmd, "upnp") == 0)
3466                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
3467         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3468         return -1;
3469 }
3470
3471
3472 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
3473                                         char *cmd)
3474 {
3475         size_t len;
3476         struct wpabuf *query;
3477         int ret;
3478
3479         len = os_strlen(cmd);
3480         if (len & 1)
3481                 return -1;
3482         len /= 2;
3483         query = wpabuf_alloc(len);
3484         if (query == NULL)
3485                 return -1;
3486         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3487                 wpabuf_free(query);
3488                 return -1;
3489         }
3490
3491         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
3492         wpabuf_free(query);
3493         return ret;
3494 }
3495
3496
3497 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3498 {
3499         char *pos;
3500         u8 version;
3501
3502         pos = os_strchr(cmd, ' ');
3503         if (pos == NULL)
3504                 return -1;
3505         *pos++ = '\0';
3506
3507         if (hexstr2bin(cmd, &version, 1) < 0)
3508                 return -1;
3509
3510         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
3511 }
3512
3513
3514 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
3515 {
3516         char *pos;
3517
3518         pos = os_strchr(cmd, ' ');
3519         if (pos == NULL)
3520                 return -1;
3521         *pos++ = '\0';
3522
3523         if (os_strcmp(cmd, "bonjour") == 0)
3524                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
3525         if (os_strcmp(cmd, "upnp") == 0)
3526                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
3527         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3528         return -1;
3529 }
3530
3531
3532 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
3533 {
3534         u8 addr[ETH_ALEN];
3535
3536         /* <addr> */
3537
3538         if (hwaddr_aton(cmd, addr))
3539                 return -1;
3540
3541         return wpas_p2p_reject(wpa_s, addr);
3542 }
3543
3544
3545 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
3546 {
3547         char *pos;
3548         int id;
3549         struct wpa_ssid *ssid;
3550         u8 peer[ETH_ALEN];
3551         int freq = 0;
3552         int ht40;
3553
3554         id = atoi(cmd);
3555         ssid = wpa_config_get_network(wpa_s->conf, id);
3556         if (ssid == NULL || ssid->disabled != 2) {
3557                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3558                            "for persistent P2P group",
3559                            id);
3560                 return -1;
3561         }
3562
3563         pos = os_strstr(cmd, " freq=");
3564         if (pos) {
3565                 pos += 6;
3566                 freq = atoi(pos);
3567                 if (freq <= 0)
3568                         return -1;
3569         }
3570
3571         pos = os_strstr(cmd, " peer=");
3572         if (pos) {
3573                 pos += 6;
3574                 if (hwaddr_aton(pos, peer))
3575                         return -1;
3576         }
3577
3578         ht40 = os_strstr(cmd, " ht40") != NULL;
3579
3580         return wpas_p2p_invite(wpa_s, pos ? peer : NULL, ssid, NULL, freq,
3581                                ht40);
3582 }
3583
3584
3585 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
3586 {
3587         char *pos;
3588         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
3589
3590         pos = os_strstr(cmd, " peer=");
3591         if (!pos)
3592                 return -1;
3593
3594         *pos = '\0';
3595         pos += 6;
3596         if (hwaddr_aton(pos, peer)) {
3597                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
3598                 return -1;
3599         }
3600
3601         pos = os_strstr(pos, " go_dev_addr=");
3602         if (pos) {
3603                 pos += 13;
3604                 if (hwaddr_aton(pos, go_dev_addr)) {
3605                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
3606                                    pos);
3607                         return -1;
3608                 }
3609                 go_dev = go_dev_addr;
3610         }
3611
3612         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
3613 }
3614
3615
3616 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
3617 {
3618         if (os_strncmp(cmd, "persistent=", 11) == 0)
3619                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
3620         if (os_strncmp(cmd, "group=", 6) == 0)
3621                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
3622
3623         return -1;
3624 }
3625
3626
3627 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
3628                                          char *cmd, int freq, int ht40)
3629 {
3630         int id;
3631         struct wpa_ssid *ssid;
3632
3633         id = atoi(cmd);
3634         ssid = wpa_config_get_network(wpa_s->conf, id);
3635         if (ssid == NULL || ssid->disabled != 2) {
3636                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3637                            "for persistent P2P group",
3638                            id);
3639                 return -1;
3640         }
3641
3642         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40);
3643 }
3644
3645
3646 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
3647 {
3648         int freq = 0, ht40;
3649         char *pos;
3650
3651         pos = os_strstr(cmd, "freq=");
3652         if (pos)
3653                 freq = atoi(pos + 5);
3654
3655         ht40 = os_strstr(cmd, "ht40") != NULL;
3656
3657         if (os_strncmp(cmd, "persistent=", 11) == 0)
3658                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
3659                                                      ht40);
3660         if (os_strcmp(cmd, "persistent") == 0 ||
3661             os_strncmp(cmd, "persistent ", 11) == 0)
3662                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40);
3663         if (os_strncmp(cmd, "freq=", 5) == 0)
3664                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
3665         if (ht40)
3666                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
3667
3668         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
3669                    cmd);
3670         return -1;
3671 }
3672
3673
3674 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
3675                          char *buf, size_t buflen)
3676 {
3677         u8 addr[ETH_ALEN], *addr_ptr;
3678         int next, res;
3679         const struct p2p_peer_info *info;
3680         char *pos, *end;
3681         char devtype[WPS_DEV_TYPE_BUFSIZE];
3682         struct wpa_ssid *ssid;
3683
3684         if (!wpa_s->global->p2p)
3685                 return -1;
3686
3687         if (os_strcmp(cmd, "FIRST") == 0) {
3688                 addr_ptr = NULL;
3689                 next = 0;
3690         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3691                 if (hwaddr_aton(cmd + 5, addr) < 0)
3692                         return -1;
3693                 addr_ptr = addr;
3694                 next = 1;
3695         } else {
3696                 if (hwaddr_aton(cmd, addr) < 0)
3697                         return -1;
3698                 addr_ptr = addr;
3699                 next = 0;
3700         }
3701
3702         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
3703         if (info == NULL)
3704                 return -1;
3705
3706         pos = buf;
3707         end = buf + buflen;
3708
3709         res = os_snprintf(pos, end - pos, MACSTR "\n"
3710                           "pri_dev_type=%s\n"
3711                           "device_name=%s\n"
3712                           "manufacturer=%s\n"
3713                           "model_name=%s\n"
3714                           "model_number=%s\n"
3715                           "serial_number=%s\n"
3716                           "config_methods=0x%x\n"
3717                           "dev_capab=0x%x\n"
3718                           "group_capab=0x%x\n"
3719                           "level=%d\n",
3720                           MAC2STR(info->p2p_device_addr),
3721                           wps_dev_type_bin2str(info->pri_dev_type,
3722                                                devtype, sizeof(devtype)),
3723                           info->device_name,
3724                           info->manufacturer,
3725                           info->model_name,
3726                           info->model_number,
3727                           info->serial_number,
3728                           info->config_methods,
3729                           info->dev_capab,
3730                           info->group_capab,
3731                           info->level);
3732         if (res < 0 || res >= end - pos)
3733                 return pos - buf;
3734         pos += res;
3735
3736         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
3737         if (ssid) {
3738                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
3739                 if (res < 0 || res >= end - pos)
3740                         return pos - buf;
3741                 pos += res;
3742         }
3743
3744         res = p2p_get_peer_info_txt(info, pos, end - pos);
3745         if (res < 0)
3746                 return pos - buf;
3747         pos += res;
3748
3749         return pos - buf;
3750 }
3751
3752
3753 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
3754                                   const char *param)
3755 {
3756         struct wpa_freq_range *freq = NULL, *n;
3757         unsigned int count = 0, i;
3758         const char *pos, *pos2, *pos3;
3759
3760         if (wpa_s->global->p2p == NULL)
3761                 return -1;
3762
3763         /*
3764          * param includes comma separated frequency range.
3765          * For example: 2412-2432,2462,5000-6000
3766          */
3767         pos = param;
3768         while (pos && pos[0]) {
3769                 n = os_realloc_array(freq, count + 1,
3770                                      sizeof(struct wpa_freq_range));
3771                 if (n == NULL) {
3772                         os_free(freq);
3773                         return -1;
3774                 }
3775                 freq = n;
3776                 freq[count].min = atoi(pos);
3777                 pos2 = os_strchr(pos, '-');
3778                 pos3 = os_strchr(pos, ',');
3779                 if (pos2 && (!pos3 || pos2 < pos3)) {
3780                         pos2++;
3781                         freq[count].max = atoi(pos2);
3782                 } else
3783                         freq[count].max = freq[count].min;
3784                 pos = pos3;
3785                 if (pos)
3786                         pos++;
3787                 count++;
3788         }
3789
3790         for (i = 0; i < count; i++) {
3791                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
3792                            freq[i].min, freq[i].max);
3793         }
3794
3795         os_free(wpa_s->global->p2p_disallow_freq);
3796         wpa_s->global->p2p_disallow_freq = freq;
3797         wpa_s->global->num_p2p_disallow_freq = count;
3798         wpas_p2p_update_channel_list(wpa_s);
3799         return 0;
3800 }
3801
3802
3803 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
3804 {
3805         char *param;
3806
3807         if (wpa_s->global->p2p == NULL)
3808                 return -1;
3809
3810         param = os_strchr(cmd, ' ');
3811         if (param == NULL)
3812                 return -1;
3813         *param++ = '\0';
3814
3815         if (os_strcmp(cmd, "discoverability") == 0) {
3816                 p2p_set_client_discoverability(wpa_s->global->p2p,
3817                                                atoi(param));
3818                 return 0;
3819         }
3820
3821         if (os_strcmp(cmd, "managed") == 0) {
3822                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
3823                 return 0;
3824         }
3825
3826         if (os_strcmp(cmd, "listen_channel") == 0) {
3827                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
3828                                               atoi(param));
3829         }
3830
3831         if (os_strcmp(cmd, "ssid_postfix") == 0) {
3832                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
3833                                             os_strlen(param));
3834         }
3835
3836         if (os_strcmp(cmd, "noa") == 0) {
3837                 char *pos;
3838                 int count, start, duration;
3839                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
3840                 count = atoi(param);
3841                 pos = os_strchr(param, ',');
3842                 if (pos == NULL)
3843                         return -1;
3844                 pos++;
3845                 start = atoi(pos);
3846                 pos = os_strchr(pos, ',');
3847                 if (pos == NULL)
3848                         return -1;
3849                 pos++;
3850                 duration = atoi(pos);
3851                 if (count < 0 || count > 255 || start < 0 || duration < 0)
3852                         return -1;
3853                 if (count == 0 && duration > 0)
3854                         return -1;
3855                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
3856                            "start=%d duration=%d", count, start, duration);
3857                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
3858         }
3859
3860         if (os_strcmp(cmd, "ps") == 0)
3861                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
3862
3863         if (os_strcmp(cmd, "oppps") == 0)
3864                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
3865
3866         if (os_strcmp(cmd, "ctwindow") == 0)
3867                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
3868
3869         if (os_strcmp(cmd, "disabled") == 0) {
3870                 wpa_s->global->p2p_disabled = atoi(param);
3871                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
3872                            wpa_s->global->p2p_disabled ?
3873                            "disabled" : "enabled");
3874                 if (wpa_s->global->p2p_disabled) {
3875                         wpas_p2p_stop_find(wpa_s);
3876                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
3877                         p2p_flush(wpa_s->global->p2p);
3878                 }
3879                 return 0;
3880         }
3881
3882         if (os_strcmp(cmd, "conc_pref") == 0) {
3883                 if (os_strcmp(param, "sta") == 0)
3884                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
3885                 else if (os_strcmp(param, "p2p") == 0)
3886                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
3887                 else {
3888                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
3889                         return -1;
3890                 }
3891                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
3892                            "%s", param);
3893                 return 0;
3894         }
3895
3896         if (os_strcmp(cmd, "force_long_sd") == 0) {
3897                 wpa_s->force_long_sd = atoi(param);
3898                 return 0;
3899         }
3900
3901         if (os_strcmp(cmd, "peer_filter") == 0) {
3902                 u8 addr[ETH_ALEN];
3903                 if (hwaddr_aton(param, addr))
3904                         return -1;
3905                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
3906                 return 0;
3907         }
3908
3909         if (os_strcmp(cmd, "cross_connect") == 0)
3910                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
3911
3912         if (os_strcmp(cmd, "go_apsd") == 0) {
3913                 if (os_strcmp(param, "disable") == 0)
3914                         wpa_s->set_ap_uapsd = 0;
3915                 else {
3916                         wpa_s->set_ap_uapsd = 1;
3917                         wpa_s->ap_uapsd = atoi(param);
3918                 }
3919                 return 0;
3920         }
3921
3922         if (os_strcmp(cmd, "client_apsd") == 0) {
3923                 if (os_strcmp(param, "disable") == 0)
3924                         wpa_s->set_sta_uapsd = 0;
3925                 else {
3926                         int be, bk, vi, vo;
3927                         char *pos;
3928                         /* format: BE,BK,VI,VO;max SP Length */
3929                         be = atoi(param);
3930                         pos = os_strchr(param, ',');
3931                         if (pos == NULL)
3932                                 return -1;
3933                         pos++;
3934                         bk = atoi(pos);
3935                         pos = os_strchr(pos, ',');
3936                         if (pos == NULL)
3937                                 return -1;
3938                         pos++;
3939                         vi = atoi(pos);
3940                         pos = os_strchr(pos, ',');
3941                         if (pos == NULL)
3942                                 return -1;
3943                         pos++;
3944                         vo = atoi(pos);
3945                         /* ignore max SP Length for now */
3946
3947                         wpa_s->set_sta_uapsd = 1;
3948                         wpa_s->sta_uapsd = 0;
3949                         if (be)
3950                                 wpa_s->sta_uapsd |= BIT(0);
3951                         if (bk)
3952                                 wpa_s->sta_uapsd |= BIT(1);
3953                         if (vi)
3954                                 wpa_s->sta_uapsd |= BIT(2);
3955                         if (vo)
3956                                 wpa_s->sta_uapsd |= BIT(3);
3957                 }
3958                 return 0;
3959         }
3960
3961         if (os_strcmp(cmd, "disallow_freq") == 0)
3962                 return p2p_ctrl_disallow_freq(wpa_s, param);
3963
3964         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
3965                    cmd);
3966
3967         return -1;
3968 }
3969
3970
3971 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
3972 {
3973         char *pos, *pos2;
3974         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
3975
3976         if (cmd[0]) {
3977                 pos = os_strchr(cmd, ' ');
3978                 if (pos == NULL)
3979                         return -1;
3980                 *pos++ = '\0';
3981                 dur1 = atoi(cmd);
3982
3983                 pos2 = os_strchr(pos, ' ');
3984                 if (pos2)
3985                         *pos2++ = '\0';
3986                 int1 = atoi(pos);
3987         } else
3988                 pos2 = NULL;
3989
3990         if (pos2) {
3991                 pos = os_strchr(pos2, ' ');
3992                 if (pos == NULL)
3993                         return -1;
3994                 *pos++ = '\0';
3995                 dur2 = atoi(pos2);
3996                 int2 = atoi(pos);
3997         }
3998
3999         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4000 }
4001
4002
4003 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4004 {
4005         char *pos;
4006         unsigned int period = 0, interval = 0;
4007
4008         if (cmd[0]) {
4009                 pos = os_strchr(cmd, ' ');
4010                 if (pos == NULL)
4011                         return -1;
4012                 *pos++ = '\0';
4013                 period = atoi(cmd);
4014                 interval = atoi(pos);
4015         }
4016
4017         return wpas_p2p_ext_listen(wpa_s, period, interval);
4018 }
4019
4020 #endif /* CONFIG_P2P */
4021
4022
4023 #ifdef CONFIG_INTERWORKING
4024 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4025 {
4026         u8 bssid[ETH_ALEN];
4027         struct wpa_bss *bss;
4028
4029         if (hwaddr_aton(dst, bssid)) {
4030                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4031                 return -1;
4032         }
4033
4034         bss = wpa_bss_get_bssid(wpa_s, bssid);
4035         if (bss == NULL) {
4036                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4037                            MAC2STR(bssid));
4038                 return -1;
4039         }
4040
4041         return interworking_connect(wpa_s, bss);
4042 }
4043
4044
4045 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4046 {
4047         u8 dst_addr[ETH_ALEN];
4048         int used;
4049         char *pos;
4050 #define MAX_ANQP_INFO_ID 100
4051         u16 id[MAX_ANQP_INFO_ID];
4052         size_t num_id = 0;
4053
4054         used = hwaddr_aton2(dst, dst_addr);
4055         if (used < 0)
4056                 return -1;
4057         pos = dst + used;
4058         while (num_id < MAX_ANQP_INFO_ID) {
4059                 id[num_id] = atoi(pos);
4060                 if (id[num_id])
4061                         num_id++;
4062                 pos = os_strchr(pos + 1, ',');
4063                 if (pos == NULL)
4064                         break;
4065                 pos++;
4066         }
4067
4068         if (num_id == 0)
4069                 return -1;
4070
4071         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4072 }
4073
4074
4075 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4076 {
4077         u8 dst_addr[ETH_ALEN];
4078         struct wpabuf *advproto, *query = NULL;
4079         int used, ret = -1;
4080         char *pos, *end;
4081         size_t len;
4082
4083         used = hwaddr_aton2(cmd, dst_addr);
4084         if (used < 0)
4085                 return -1;
4086
4087         pos = cmd + used;
4088         while (*pos == ' ')
4089                 pos++;
4090
4091         /* Advertisement Protocol ID */
4092         end = os_strchr(pos, ' ');
4093         if (end)
4094                 len = end - pos;
4095         else
4096                 len = os_strlen(pos);
4097         if (len & 0x01)
4098                 return -1;
4099         len /= 2;
4100         if (len == 0)
4101                 return -1;
4102         advproto = wpabuf_alloc(len);
4103         if (advproto == NULL)
4104                 return -1;
4105         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4106                 goto fail;
4107
4108         if (end) {
4109                 /* Optional Query Request */
4110                 pos = end + 1;
4111                 while (*pos == ' ')
4112                         pos++;
4113
4114                 len = os_strlen(pos);
4115                 if (len) {
4116                         if (len & 0x01)
4117                                 goto fail;
4118                         len /= 2;
4119                         if (len == 0)
4120                                 goto fail;
4121                         query = wpabuf_alloc(len);
4122                         if (query == NULL)
4123                                 goto fail;
4124                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4125                                 goto fail;
4126                 }
4127         }
4128
4129         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4130
4131 fail:
4132         wpabuf_free(advproto);
4133         wpabuf_free(query);
4134
4135         return ret;
4136 }
4137
4138
4139 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4140                             size_t buflen)
4141 {
4142         u8 addr[ETH_ALEN];
4143         int dialog_token;
4144         int used;
4145         char *pos;
4146         size_t resp_len, start, requested_len;
4147
4148         if (!wpa_s->last_gas_resp)
4149                 return -1;
4150
4151         used = hwaddr_aton2(cmd, addr);
4152         if (used < 0)
4153                 return -1;
4154
4155         pos = cmd + used;
4156         while (*pos == ' ')
4157                 pos++;
4158         dialog_token = atoi(pos);
4159
4160         if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4161             dialog_token != wpa_s->last_gas_dialog_token)
4162                 return -1;
4163
4164         resp_len = wpabuf_len(wpa_s->last_gas_resp);
4165         start = 0;
4166         requested_len = resp_len;
4167
4168         pos = os_strchr(pos, ' ');
4169         if (pos) {
4170                 start = atoi(pos);
4171                 if (start > resp_len)
4172                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4173                 pos = os_strchr(pos, ',');
4174                 if (pos == NULL)
4175                         return -1;
4176                 pos++;
4177                 requested_len = atoi(pos);
4178                 if (start + requested_len > resp_len)
4179                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4180         }
4181
4182         if (requested_len * 2 + 1 > buflen)
4183                 return os_snprintf(buf, buflen, "FAIL-Too long response");
4184
4185         return wpa_snprintf_hex(buf, buflen,
4186                                 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4187                                 requested_len);
4188 }
4189 #endif /* CONFIG_INTERWORKING */
4190
4191
4192 #ifdef CONFIG_HS20
4193
4194 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4195 {
4196         u8 dst_addr[ETH_ALEN];
4197         int used;
4198         char *pos;
4199         u32 subtypes = 0;
4200
4201         used = hwaddr_aton2(dst, dst_addr);
4202         if (used < 0)
4203                 return -1;
4204         pos = dst + used;
4205         for (;;) {
4206                 int num = atoi(pos);
4207                 if (num <= 0 || num > 31)
4208                         return -1;
4209                 subtypes |= BIT(num);
4210                 pos = os_strchr(pos + 1, ',');
4211                 if (pos == NULL)
4212                         break;
4213                 pos++;
4214         }
4215
4216         if (subtypes == 0)
4217                 return -1;
4218
4219         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4220 }
4221
4222
4223 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4224                                     const u8 *addr, const char *realm)
4225 {
4226         u8 *buf;
4227         size_t rlen, len;
4228         int ret;
4229
4230         rlen = os_strlen(realm);
4231         len = 3 + rlen;
4232         buf = os_malloc(len);
4233         if (buf == NULL)
4234                 return -1;
4235         buf[0] = 1; /* NAI Home Realm Count */
4236         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4237         buf[2] = rlen;
4238         os_memcpy(buf + 3, realm, rlen);
4239
4240         ret = hs20_anqp_send_req(wpa_s, addr,
4241                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4242                                  buf, len);
4243
4244         os_free(buf);
4245
4246         return ret;
4247 }
4248
4249
4250 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4251                                         char *dst)
4252 {
4253         struct wpa_cred *cred = wpa_s->conf->cred;
4254         u8 dst_addr[ETH_ALEN];
4255         int used;
4256         u8 *buf;
4257         size_t len;
4258         int ret;
4259
4260         used = hwaddr_aton2(dst, dst_addr);
4261         if (used < 0)
4262                 return -1;
4263
4264         while (dst[used] == ' ')
4265                 used++;
4266         if (os_strncmp(dst + used, "realm=", 6) == 0)
4267                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4268                                                 dst + used + 6);
4269
4270         len = os_strlen(dst + used);
4271
4272         if (len == 0 && cred && cred->realm)
4273                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4274
4275         if (len % 1)
4276                 return -1;
4277         len /= 2;
4278         buf = os_malloc(len);
4279         if (buf == NULL)
4280                 return -1;
4281         if (hexstr2bin(dst + used, buf, len) < 0) {
4282                 os_free(buf);
4283                 return -1;
4284         }
4285
4286         ret = hs20_anqp_send_req(wpa_s, dst_addr,
4287                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4288                                  buf, len);
4289         os_free(buf);
4290
4291         return ret;
4292 }
4293
4294 #endif /* CONFIG_HS20 */
4295
4296
4297 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4298         struct wpa_supplicant *wpa_s, char *cmd)
4299 {
4300         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4301         return 0;
4302 }
4303
4304
4305 #ifdef CONFIG_AUTOSCAN
4306
4307 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4308                                               char *cmd)
4309 {
4310         enum wpa_states state = wpa_s->wpa_state;
4311         char *new_params = NULL;
4312
4313         if (os_strlen(cmd) > 0) {
4314                 new_params = os_strdup(cmd);
4315                 if (new_params == NULL)
4316                         return -1;
4317         }
4318
4319         os_free(wpa_s->conf->autoscan);
4320         wpa_s->conf->autoscan = new_params;
4321
4322         if (wpa_s->conf->autoscan == NULL)
4323                 autoscan_deinit(wpa_s);
4324         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4325                 autoscan_init(wpa_s, 1);
4326         else if (state == WPA_SCANNING)
4327                 wpa_supplicant_reinit_autoscan(wpa_s);
4328
4329         return 0;
4330 }
4331
4332 #endif /* CONFIG_AUTOSCAN */
4333
4334
4335 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
4336                                       size_t buflen)
4337 {
4338         struct wpa_signal_info si;
4339         int ret;
4340
4341         ret = wpa_drv_signal_poll(wpa_s, &si);
4342         if (ret)
4343                 return -1;
4344
4345         ret = os_snprintf(buf, buflen, "RSSI=%d\nLINKSPEED=%d\n"
4346                           "NOISE=%d\nFREQUENCY=%u\n",
4347                           si.current_signal, si.current_txrate / 1000,
4348                           si.current_noise, si.frequency);
4349         if (ret < 0 || (unsigned int) ret > buflen)
4350                 return -1;
4351         return ret;
4352 }
4353
4354
4355 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
4356                                       size_t buflen)
4357 {
4358         struct hostap_sta_driver_data sta;
4359         int ret;
4360
4361         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
4362         if (ret)
4363                 return -1;
4364
4365         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
4366                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
4367         if (ret < 0 || (size_t) ret > buflen)
4368                 return -1;
4369         return ret;
4370 }
4371
4372
4373 #ifdef ANDROID
4374 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
4375                                      char *buf, size_t buflen)
4376 {
4377         int ret;
4378
4379         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
4380         if (ret == 0)
4381                 ret = sprintf(buf, "%s\n", "OK");
4382         return ret;
4383 }
4384 #endif
4385
4386
4387 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
4388                                          char *buf, size_t *resp_len)
4389 {
4390         char *reply;
4391         const int reply_size = 4096;
4392         int ctrl_rsp = 0;
4393         int reply_len;
4394
4395         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
4396             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
4397                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
4398                                       (const u8 *) buf, os_strlen(buf));
4399         } else {
4400                 int level = MSG_DEBUG;
4401                 if (os_strcmp(buf, "PING") == 0)
4402                         level = MSG_EXCESSIVE;
4403                 wpa_hexdump_ascii(level, "RX ctrl_iface",
4404                                   (const u8 *) buf, os_strlen(buf));
4405         }
4406
4407         reply = os_malloc(reply_size);
4408         if (reply == NULL) {
4409                 *resp_len = 1;
4410                 return NULL;
4411         }
4412
4413         os_memcpy(reply, "OK\n", 3);
4414         reply_len = 3;
4415
4416         if (os_strcmp(buf, "PING") == 0) {
4417                 os_memcpy(reply, "PONG\n", 5);
4418                 reply_len = 5;
4419         } else if (os_strcmp(buf, "IFNAME") == 0) {
4420                 reply_len = os_strlen(wpa_s->ifname);
4421                 os_memcpy(reply, wpa_s->ifname, reply_len);
4422         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
4423                 if (wpa_debug_reopen_file() < 0)
4424                         reply_len = -1;
4425         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
4426                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
4427         } else if (os_strcmp(buf, "MIB") == 0) {
4428                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
4429                 if (reply_len >= 0) {
4430                         int res;
4431                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
4432                                                reply_size - reply_len);
4433                         if (res < 0)
4434                                 reply_len = -1;
4435                         else
4436                                 reply_len += res;
4437                 }
4438         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
4439                 reply_len = wpa_supplicant_ctrl_iface_status(
4440                         wpa_s, buf + 6, reply, reply_size);
4441         } else if (os_strcmp(buf, "PMKSA") == 0) {
4442                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
4443                                                     reply_size);
4444         } else if (os_strncmp(buf, "SET ", 4) == 0) {
4445                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
4446                         reply_len = -1;
4447         } else if (os_strncmp(buf, "GET ", 4) == 0) {
4448                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
4449                                                           reply, reply_size);
4450         } else if (os_strcmp(buf, "LOGON") == 0) {
4451                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
4452         } else if (os_strcmp(buf, "LOGOFF") == 0) {
4453                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
4454         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
4455                 wpa_s->normal_scans = 0;
4456                 wpa_supplicant_reinit_autoscan(wpa_s);
4457                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4458                         reply_len = -1;
4459                 else {
4460                         wpa_s->disconnected = 0;
4461                         wpa_s->reassociate = 1;
4462                         wpa_supplicant_req_scan(wpa_s, 0, 0);
4463                 }
4464         } else if (os_strcmp(buf, "RECONNECT") == 0) {
4465                 wpa_s->normal_scans = 0;
4466                 wpa_supplicant_reinit_autoscan(wpa_s);
4467                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4468                         reply_len = -1;
4469                 else if (wpa_s->disconnected) {
4470                         wpa_s->disconnected = 0;
4471                         wpa_s->reassociate = 1;
4472                         wpa_supplicant_req_scan(wpa_s, 0, 0);
4473                 }
4474 #ifdef IEEE8021X_EAPOL
4475         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
4476                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
4477                         reply_len = -1;
4478 #endif /* IEEE8021X_EAPOL */
4479 #ifdef CONFIG_PEERKEY
4480         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
4481                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
4482                         reply_len = -1;
4483 #endif /* CONFIG_PEERKEY */
4484 #ifdef CONFIG_IEEE80211R
4485         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
4486                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
4487                         reply_len = -1;
4488 #endif /* CONFIG_IEEE80211R */
4489 #ifdef CONFIG_WPS
4490         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
4491                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
4492                 if (res == -2) {
4493                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4494                         reply_len = 17;
4495                 } else if (res)
4496                         reply_len = -1;
4497         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
4498                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
4499                 if (res == -2) {
4500                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4501                         reply_len = 17;
4502                 } else if (res)
4503                         reply_len = -1;
4504         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
4505                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
4506                                                               reply,
4507                                                               reply_size);
4508         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
4509                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
4510                         wpa_s, buf + 14, reply, reply_size);
4511         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
4512                 if (wpas_wps_cancel(wpa_s))
4513                         reply_len = -1;
4514 #ifdef CONFIG_WPS_OOB
4515         } else if (os_strncmp(buf, "WPS_OOB ", 8) == 0) {
4516                 if (wpa_supplicant_ctrl_iface_wps_oob(wpa_s, buf + 8))
4517                         reply_len = -1;
4518 #endif /* CONFIG_WPS_OOB */
4519 #ifdef CONFIG_WPS_NFC
4520         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
4521                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
4522                         reply_len = -1;
4523         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
4524                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
4525                         reply_len = -1;
4526         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
4527                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
4528                         wpa_s, buf + 14, reply, reply_size);
4529         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
4530                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
4531                                                                buf + 17))
4532                         reply_len = -1;
4533 #endif /* CONFIG_WPS_NFC */
4534         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
4535                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
4536                         reply_len = -1;
4537 #ifdef CONFIG_AP
4538         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
4539                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
4540                         wpa_s, buf + 11, reply, reply_size);
4541 #endif /* CONFIG_AP */
4542 #ifdef CONFIG_WPS_ER
4543         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
4544                 if (wpas_wps_er_start(wpa_s, NULL))
4545                         reply_len = -1;
4546         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
4547                 if (wpas_wps_er_start(wpa_s, buf + 13))
4548                         reply_len = -1;
4549         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
4550                 if (wpas_wps_er_stop(wpa_s))
4551                         reply_len = -1;
4552         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
4553                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
4554                         reply_len = -1;
4555         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
4556                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
4557                 if (ret == -2) {
4558                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4559                         reply_len = 17;
4560                 } else if (ret == -3) {
4561                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
4562                         reply_len = 18;
4563                 } else if (ret == -4) {
4564                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
4565                         reply_len = 20;
4566                 } else if (ret)
4567                         reply_len = -1;
4568         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
4569                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
4570                         reply_len = -1;
4571         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
4572                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
4573                                                                 buf + 18))
4574                         reply_len = -1;
4575         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
4576                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
4577                         reply_len = -1;
4578 #ifdef CONFIG_WPS_NFC
4579         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
4580                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
4581                         wpa_s, buf + 24, reply, reply_size);
4582 #endif /* CONFIG_WPS_NFC */
4583 #endif /* CONFIG_WPS_ER */
4584 #endif /* CONFIG_WPS */
4585 #ifdef CONFIG_IBSS_RSN
4586         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
4587                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
4588                         reply_len = -1;
4589 #endif /* CONFIG_IBSS_RSN */
4590 #ifdef CONFIG_P2P
4591         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
4592                 if (p2p_ctrl_find(wpa_s, buf + 9))
4593                         reply_len = -1;
4594         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
4595                 if (p2p_ctrl_find(wpa_s, ""))
4596                         reply_len = -1;
4597         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
4598                 wpas_p2p_stop_find(wpa_s);
4599         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
4600                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
4601                                              reply_size);
4602         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
4603                 if (p2p_ctrl_listen(wpa_s, buf + 11))
4604                         reply_len = -1;
4605         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
4606                 if (p2p_ctrl_listen(wpa_s, ""))
4607                         reply_len = -1;
4608         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
4609                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
4610                         reply_len = -1;
4611         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
4612                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0))
4613                         reply_len = -1;
4614         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
4615                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
4616                         reply_len = -1;
4617         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
4618                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
4619                         reply_len = -1;
4620         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
4621                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
4622         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
4623                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
4624                                                    reply_size);
4625         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
4626                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
4627                         reply_len = -1;
4628         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
4629                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
4630                         reply_len = -1;
4631         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
4632 #ifdef ANDROID_P2P
4633                 wpas_p2p_sd_service_update(wpa_s, SRV_UPDATE);
4634 #else
4635                 wpas_p2p_sd_service_update(wpa_s);
4636 #endif
4637         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
4638                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
4639                         reply_len = -1;
4640         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
4641                 wpas_p2p_service_flush(wpa_s);
4642         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
4643                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
4644                         reply_len = -1;
4645         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
4646                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
4647                         reply_len = -1;
4648         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
4649                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
4650                         reply_len = -1;
4651         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
4652                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
4653                         reply_len = -1;
4654         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
4655                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
4656                                               reply_size);
4657         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
4658                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
4659                         reply_len = -1;
4660         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
4661                 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4662                 wpa_s->force_long_sd = 0;
4663                 if (wpa_s->global->p2p)
4664                         p2p_flush(wpa_s->global->p2p);
4665         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
4666                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
4667                         reply_len = -1;
4668         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
4669                 if (wpas_p2p_cancel(wpa_s))
4670                         reply_len = -1;
4671         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
4672                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
4673                         reply_len = -1;
4674         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
4675                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
4676                         reply_len = -1;
4677         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
4678                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
4679                         reply_len = -1;
4680         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
4681                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
4682                         reply_len = -1;
4683 #endif /* CONFIG_P2P */
4684 #ifdef CONFIG_WIFI_DISPLAY
4685         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
4686                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
4687                         reply_len = -1;
4688         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
4689                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
4690                                                      reply, reply_size);
4691 #endif /* CONFIG_WIFI_DISPLAY */
4692 #ifdef CONFIG_INTERWORKING
4693         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
4694                 if (interworking_fetch_anqp(wpa_s) < 0)
4695                         reply_len = -1;
4696         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
4697                 interworking_stop_fetch_anqp(wpa_s);
4698         } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
4699                 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
4700                                         NULL) < 0)
4701                         reply_len = -1;
4702         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
4703                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
4704                         reply_len = -1;
4705         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
4706                 if (get_anqp(wpa_s, buf + 9) < 0)
4707                         reply_len = -1;
4708         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
4709                 if (gas_request(wpa_s, buf + 12) < 0)
4710                         reply_len = -1;
4711         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
4712                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
4713                                              reply_size);
4714 #endif /* CONFIG_INTERWORKING */
4715 #ifdef CONFIG_HS20
4716         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
4717                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
4718                         reply_len = -1;
4719         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
4720                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
4721                         reply_len = -1;
4722 #endif /* CONFIG_HS20 */
4723         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
4724         {
4725                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
4726                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
4727                         reply_len = -1;
4728                 else
4729                         ctrl_rsp = 1;
4730         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
4731                 if (wpa_supplicant_reload_configuration(wpa_s))
4732                         reply_len = -1;
4733         } else if (os_strcmp(buf, "TERMINATE") == 0) {
4734                 wpa_supplicant_terminate_proc(wpa_s->global);
4735         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
4736                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
4737                         reply_len = -1;
4738         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
4739                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
4740                         wpa_s, buf + 9, reply, reply_size);
4741         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
4742                 reply_len = wpa_supplicant_ctrl_iface_log_level(
4743                         wpa_s, buf + 9, reply, reply_size);
4744         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
4745                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
4746                         wpa_s, reply, reply_size);
4747         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
4748 #ifdef CONFIG_SME
4749                 wpa_s->sme.prev_bssid_set = 0;
4750 #endif /* CONFIG_SME */
4751                 wpa_s->reassociate = 0;
4752                 wpa_s->disconnected = 1;
4753                 wpa_supplicant_cancel_sched_scan(wpa_s);
4754                 wpa_supplicant_cancel_scan(wpa_s);
4755                 wpa_supplicant_deauthenticate(wpa_s,
4756                                               WLAN_REASON_DEAUTH_LEAVING);
4757         } else if (os_strcmp(buf, "SCAN") == 0) {
4758                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4759                         reply_len = -1;
4760                 else {
4761                         if (!wpa_s->scanning &&
4762                             ((wpa_s->wpa_state <= WPA_SCANNING) ||
4763                              (wpa_s->wpa_state == WPA_COMPLETED))) {
4764                                 wpa_s->normal_scans = 0;
4765                                 wpa_s->scan_req = 2;
4766                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
4767                         } else if (wpa_s->sched_scanning) {
4768                                 wpa_printf(MSG_DEBUG, "Stop ongoing "
4769                                            "sched_scan to allow requested "
4770                                            "full scan to proceed");
4771                                 wpa_supplicant_cancel_sched_scan(wpa_s);
4772                                 wpa_s->scan_req = 2;
4773                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
4774                         } else {
4775                                 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
4776                                            "reject new request");
4777                                 reply_len = os_snprintf(reply, reply_size,
4778                                                         "FAIL-BUSY\n");
4779                         }
4780                 }
4781         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
4782                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
4783                         wpa_s, reply, reply_size);
4784         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
4785                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
4786                         reply_len = -1;
4787         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
4788                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
4789                         reply_len = -1;
4790         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
4791                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
4792                         reply_len = -1;
4793         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
4794                 reply_len = wpa_supplicant_ctrl_iface_add_network(
4795                         wpa_s, reply, reply_size);
4796         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
4797                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
4798                         reply_len = -1;
4799         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
4800                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
4801                         reply_len = -1;
4802         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
4803                 reply_len = wpa_supplicant_ctrl_iface_get_network(
4804                         wpa_s, buf + 12, reply, reply_size);
4805         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
4806                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
4807                         wpa_s, reply, reply_size);
4808         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
4809                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
4810                         wpa_s, reply, reply_size);
4811         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
4812                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
4813                         reply_len = -1;
4814         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
4815                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
4816                         reply_len = -1;
4817 #ifndef CONFIG_NO_CONFIG_WRITE
4818         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
4819                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
4820                         reply_len = -1;
4821 #endif /* CONFIG_NO_CONFIG_WRITE */
4822         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
4823                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
4824                         wpa_s, buf + 15, reply, reply_size);
4825         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
4826                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
4827                         reply_len = -1;
4828         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
4829                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
4830                         reply_len = -1;
4831         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
4832                 reply_len = wpa_supplicant_global_iface_list(
4833                         wpa_s->global, reply, reply_size);
4834         } else if (os_strcmp(buf, "INTERFACES") == 0) {
4835                 reply_len = wpa_supplicant_global_iface_interfaces(
4836                         wpa_s->global, reply, reply_size);
4837         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
4838                 reply_len = wpa_supplicant_ctrl_iface_bss(
4839                         wpa_s, buf + 4, reply, reply_size);
4840 #ifdef CONFIG_AP
4841         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
4842                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
4843         } else if (os_strncmp(buf, "STA ", 4) == 0) {
4844                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
4845                                               reply_size);
4846         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
4847                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
4848                                                    reply_size);
4849         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
4850                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
4851                         reply_len = -1;
4852         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
4853                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
4854                         reply_len = -1;
4855 #endif /* CONFIG_AP */
4856         } else if (os_strcmp(buf, "SUSPEND") == 0) {
4857                 wpas_notify_suspend(wpa_s->global);
4858         } else if (os_strcmp(buf, "RESUME") == 0) {
4859                 wpas_notify_resume(wpa_s->global);
4860         } else if (os_strcmp(buf, "DROP_SA") == 0) {
4861                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
4862         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
4863                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
4864                         reply_len = -1;
4865         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
4866                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
4867                         reply_len = -1;
4868         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
4869                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
4870                         reply_len = -1;
4871         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
4872                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
4873                                                                buf + 17))
4874                         reply_len = -1;
4875         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
4876                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
4877                         reply_len = -1;
4878 #ifdef CONFIG_TDLS
4879         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
4880                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
4881                         reply_len = -1;
4882         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
4883                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
4884                         reply_len = -1;
4885         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
4886                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
4887                         reply_len = -1;
4888 #endif /* CONFIG_TDLS */
4889         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
4890                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
4891                                                        reply_size);
4892         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
4893                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
4894                                                        reply_size);
4895 #ifdef CONFIG_AUTOSCAN
4896         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
4897                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
4898                         reply_len = -1;
4899 #endif /* CONFIG_AUTOSCAN */
4900 #ifdef ANDROID
4901         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
4902                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
4903                                                       reply_size);
4904 #endif
4905         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
4906                 eapol_sm_request_reauth(wpa_s->eapol);
4907         } else {
4908                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
4909                 reply_len = 16;
4910         }
4911
4912         if (reply_len < 0) {
4913                 os_memcpy(reply, "FAIL\n", 5);
4914                 reply_len = 5;
4915         }
4916
4917         if (ctrl_rsp)
4918                 eapol_sm_notify_ctrl_response(wpa_s->eapol);
4919
4920         *resp_len = reply_len;
4921         return reply;
4922 }
4923
4924
4925 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
4926                                            char *cmd)
4927 {
4928         struct wpa_interface iface;
4929         char *pos;
4930
4931         /*
4932          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
4933          * TAB<bridge_ifname>
4934          */
4935         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
4936
4937         os_memset(&iface, 0, sizeof(iface));
4938
4939         do {
4940                 iface.ifname = pos = cmd;
4941                 pos = os_strchr(pos, '\t');
4942                 if (pos)
4943                         *pos++ = '\0';
4944                 if (iface.ifname[0] == '\0')
4945                         return -1;
4946                 if (pos == NULL)
4947                         break;
4948
4949                 iface.confname = pos;
4950                 pos = os_strchr(pos, '\t');
4951                 if (pos)
4952                         *pos++ = '\0';
4953                 if (iface.confname[0] == '\0')
4954                         iface.confname = NULL;
4955                 if (pos == NULL)
4956                         break;
4957
4958                 iface.driver = pos;
4959                 pos = os_strchr(pos, '\t');
4960                 if (pos)
4961                         *pos++ = '\0';
4962                 if (iface.driver[0] == '\0')
4963                         iface.driver = NULL;
4964                 if (pos == NULL)
4965                         break;
4966
4967                 iface.ctrl_interface = pos;
4968                 pos = os_strchr(pos, '\t');
4969                 if (pos)
4970                         *pos++ = '\0';
4971                 if (iface.ctrl_interface[0] == '\0')
4972                         iface.ctrl_interface = NULL;
4973                 if (pos == NULL)
4974                         break;
4975
4976                 iface.driver_param = pos;
4977                 pos = os_strchr(pos, '\t');
4978                 if (pos)
4979                         *pos++ = '\0';
4980                 if (iface.driver_param[0] == '\0')
4981                         iface.driver_param = NULL;
4982                 if (pos == NULL)
4983                         break;
4984
4985                 iface.bridge_ifname = pos;
4986                 pos = os_strchr(pos, '\t');
4987                 if (pos)
4988                         *pos++ = '\0';
4989                 if (iface.bridge_ifname[0] == '\0')
4990                         iface.bridge_ifname = NULL;
4991                 if (pos == NULL)
4992                         break;
4993         } while (0);
4994
4995         if (wpa_supplicant_get_iface(global, iface.ifname))
4996                 return -1;
4997
4998         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
4999 }
5000
5001
5002 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
5003                                               char *cmd)
5004 {
5005         struct wpa_supplicant *wpa_s;
5006
5007         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
5008
5009         wpa_s = wpa_supplicant_get_iface(global, cmd);
5010         if (wpa_s == NULL)
5011                 return -1;
5012         return wpa_supplicant_remove_iface(global, wpa_s, 0);
5013 }
5014
5015
5016 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5017 {
5018         struct wpa_interface_info *prev;
5019
5020         while (iface) {
5021                 prev = iface;
5022                 iface = iface->next;
5023
5024                 os_free(prev->ifname);
5025                 os_free(prev->desc);
5026                 os_free(prev);
5027         }
5028 }
5029
5030
5031 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5032                                             char *buf, int len)
5033 {
5034         int i, res;
5035         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5036         char *pos, *end;
5037
5038         for (i = 0; wpa_drivers[i]; i++) {
5039                 struct wpa_driver_ops *drv = wpa_drivers[i];
5040                 if (drv->get_interfaces == NULL)
5041                         continue;
5042                 tmp = drv->get_interfaces(global->drv_priv[i]);
5043                 if (tmp == NULL)
5044                         continue;
5045
5046                 if (last == NULL)
5047                         iface = last = tmp;
5048                 else
5049                         last->next = tmp;
5050                 while (last->next)
5051                         last = last->next;
5052         }
5053
5054         pos = buf;
5055         end = buf + len;
5056         for (tmp = iface; tmp; tmp = tmp->next) {
5057                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5058                                   tmp->drv_name, tmp->ifname,
5059                                   tmp->desc ? tmp->desc : "");
5060                 if (res < 0 || res >= end - pos) {
5061                         *pos = '\0';
5062                         break;
5063                 }
5064                 pos += res;
5065         }
5066
5067         wpa_free_iface_info(iface);
5068
5069         return pos - buf;
5070 }
5071
5072
5073 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5074                                                   char *buf, int len)
5075 {
5076         int res;
5077         char *pos, *end;
5078         struct wpa_supplicant *wpa_s;
5079
5080         wpa_s = global->ifaces;
5081         pos = buf;
5082         end = buf + len;
5083
5084         while (wpa_s) {
5085                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5086                 if (res < 0 || res >= end - pos) {
5087                         *pos = '\0';
5088                         break;
5089                 }
5090                 pos += res;
5091                 wpa_s = wpa_s->next;
5092         }
5093         return pos - buf;
5094 }
5095
5096
5097 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
5098                                                 char *buf, size_t *resp_len)
5099 {
5100         char *reply;
5101         const int reply_size = 2048;
5102         int reply_len;
5103         int level = MSG_DEBUG;
5104
5105         if (os_strcmp(buf, "PING") == 0)
5106                 level = MSG_EXCESSIVE;
5107         wpa_hexdump_ascii(level, "RX global ctrl_iface",
5108                           (const u8 *) buf, os_strlen(buf));
5109
5110         reply = os_malloc(reply_size);
5111         if (reply == NULL) {
5112                 *resp_len = 1;
5113                 return NULL;
5114         }
5115
5116         os_memcpy(reply, "OK\n", 3);
5117         reply_len = 3;
5118
5119         if (os_strcmp(buf, "PING") == 0) {
5120                 os_memcpy(reply, "PONG\n", 5);
5121                 reply_len = 5;
5122         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
5123                 if (wpa_supplicant_global_iface_add(global, buf + 14))
5124                         reply_len = -1;
5125         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
5126                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
5127                         reply_len = -1;
5128         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5129                 reply_len = wpa_supplicant_global_iface_list(
5130                         global, reply, reply_size);
5131         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5132                 reply_len = wpa_supplicant_global_iface_interfaces(
5133                         global, reply, reply_size);
5134         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5135                 wpa_supplicant_terminate_proc(global);
5136         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5137                 wpas_notify_suspend(global);
5138         } else if (os_strcmp(buf, "RESUME") == 0) {
5139                 wpas_notify_resume(global);
5140         } else {
5141                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5142                 reply_len = 16;
5143         }
5144
5145         if (reply_len < 0) {
5146                 os_memcpy(reply, "FAIL\n", 5);
5147                 reply_len = 5;
5148         }
5149
5150         *resp_len = reply_len;
5151         return reply;
5152 }