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) {
2796                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
2797                                    bss->anqp_venue_name);
2798                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
2799                                    bss->anqp_network_auth_type);
2800                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
2801                                    bss->anqp_roaming_consortium);
2802                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
2803                                    bss->anqp_ip_addr_type_availability);
2804                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
2805                                    bss->anqp_nai_realm);
2806                 pos = anqp_add_hex(pos, end, "anqp_3gpp", bss->anqp_3gpp);
2807                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
2808                                    bss->anqp_domain_name);
2809 #ifdef CONFIG_HS20
2810                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
2811                                    bss->hs20_operator_friendly_name);
2812                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
2813                                    bss->hs20_wan_metrics);
2814                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
2815                                    bss->hs20_connection_capability);
2816 #endif /* CONFIG_HS20 */
2817         }
2818 #endif /* CONFIG_INTERWORKING */
2819
2820 #ifdef ANDROID
2821         ret = os_snprintf(pos, end - pos, "====\n");
2822         if (ret < 0 || ret >= end - pos)
2823                 return 0;
2824         pos += ret;
2825 #endif
2826
2827         return pos - buf;
2828 }
2829
2830
2831 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
2832                                          const char *cmd, char *buf,
2833                                          size_t buflen)
2834 {
2835         u8 bssid[ETH_ALEN];
2836         size_t i;
2837         struct wpa_bss *bss;
2838         struct wpa_bss *bsslast = NULL;
2839         struct dl_list *next;
2840         int ret = 0;
2841         int len;
2842         char *ctmp;
2843         unsigned long mask = WPA_BSS_MASK_ALL;
2844
2845         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
2846                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
2847                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
2848                                             list_id);
2849                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
2850                                                list_id);
2851                 } else { /* N1-N2 */
2852                         unsigned int id1, id2;
2853
2854                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
2855                                 wpa_printf(MSG_INFO, "Wrong BSS range "
2856                                            "format");
2857                                 return 0;
2858                         }
2859
2860                         id1 = atoi(cmd + 6);
2861                         bss = wpa_bss_get_id(wpa_s, id1);
2862                         id2 = atoi(ctmp + 1);
2863                         if (id2 == 0)
2864                                 bsslast = dl_list_last(&wpa_s->bss_id,
2865                                                        struct wpa_bss,
2866                                                        list_id);
2867                         else {
2868                                 bsslast = wpa_bss_get_id(wpa_s, id2);
2869                                 if (bsslast == NULL && bss && id2 > id1) {
2870                                         struct wpa_bss *tmp = bss;
2871                                         for (;;) {
2872                                                 next = tmp->list_id.next;
2873                                                 if (next == &wpa_s->bss_id)
2874                                                         break;
2875                                                 tmp = dl_list_entry(
2876                                                         next, struct wpa_bss,
2877                                                         list_id);
2878                                                 if (tmp->id > id2)
2879                                                         break;
2880                                                 bsslast = tmp;
2881                                         }
2882                                 }
2883                         }
2884                 }
2885         } else if (os_strcmp(cmd, "FIRST") == 0)
2886                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
2887         else if (os_strncmp(cmd, "ID-", 3) == 0) {
2888                 i = atoi(cmd + 3);
2889                 bss = wpa_bss_get_id(wpa_s, i);
2890         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
2891                 i = atoi(cmd + 5);
2892                 bss = wpa_bss_get_id(wpa_s, i);
2893                 if (bss) {
2894                         next = bss->list_id.next;
2895                         if (next == &wpa_s->bss_id)
2896                                 bss = NULL;
2897                         else
2898                                 bss = dl_list_entry(next, struct wpa_bss,
2899                                                     list_id);
2900                 }
2901 #ifdef CONFIG_P2P
2902         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
2903                 if (hwaddr_aton(cmd + 13, bssid) == 0)
2904                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
2905                 else
2906                         bss = NULL;
2907 #endif /* CONFIG_P2P */
2908         } else if (hwaddr_aton(cmd, bssid) == 0)
2909                 bss = wpa_bss_get_bssid(wpa_s, bssid);
2910         else {
2911                 struct wpa_bss *tmp;
2912                 i = atoi(cmd);
2913                 bss = NULL;
2914                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
2915                 {
2916                         if (i-- == 0) {
2917                                 bss = tmp;
2918                                 break;
2919                         }
2920                 }
2921         }
2922
2923         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
2924                 mask = strtoul(ctmp + 5, NULL, 0x10);
2925                 if (mask == 0)
2926                         mask = WPA_BSS_MASK_ALL;
2927         }
2928
2929         if (bss == NULL)
2930                 return 0;
2931
2932         if (bsslast == NULL)
2933                 bsslast = bss;
2934         do {
2935                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
2936                 ret += len;
2937                 buf += len;
2938                 buflen -= len;
2939                 if (bss == bsslast)
2940                         break;
2941                 next = bss->list_id.next;
2942                 if (next == &wpa_s->bss_id)
2943                         break;
2944                 bss = dl_list_entry(next, struct wpa_bss, list_id);
2945         } while (bss && len);
2946
2947         return ret;
2948 }
2949
2950
2951 static int wpa_supplicant_ctrl_iface_ap_scan(
2952         struct wpa_supplicant *wpa_s, char *cmd)
2953 {
2954         int ap_scan = atoi(cmd);
2955         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
2956 }
2957
2958
2959 static int wpa_supplicant_ctrl_iface_scan_interval(
2960         struct wpa_supplicant *wpa_s, char *cmd)
2961 {
2962         int scan_int = atoi(cmd);
2963         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
2964 }
2965
2966
2967 static int wpa_supplicant_ctrl_iface_bss_expire_age(
2968         struct wpa_supplicant *wpa_s, char *cmd)
2969 {
2970         int expire_age = atoi(cmd);
2971         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
2972 }
2973
2974
2975 static int wpa_supplicant_ctrl_iface_bss_expire_count(
2976         struct wpa_supplicant *wpa_s, char *cmd)
2977 {
2978         int expire_count = atoi(cmd);
2979         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
2980 }
2981
2982
2983 static int wpa_supplicant_ctrl_iface_bss_flush(
2984         struct wpa_supplicant *wpa_s, char *cmd)
2985 {
2986         int flush_age = atoi(cmd);
2987
2988         if (flush_age == 0)
2989                 wpa_bss_flush(wpa_s);
2990         else
2991                 wpa_bss_flush_by_age(wpa_s, flush_age);
2992         return 0;
2993 }
2994
2995
2996 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
2997 {
2998         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
2999         /* MLME-DELETEKEYS.request */
3000         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3001         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3002         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3003         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3004 #ifdef CONFIG_IEEE80211W
3005         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3006         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3007 #endif /* CONFIG_IEEE80211W */
3008
3009         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3010                         0);
3011         /* MLME-SETPROTECTION.request(None) */
3012         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3013                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3014                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3015         wpa_sm_drop_sa(wpa_s->wpa);
3016 }
3017
3018
3019 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3020                                           char *addr)
3021 {
3022 #ifdef CONFIG_NO_SCAN_PROCESSING
3023         return -1;
3024 #else /* CONFIG_NO_SCAN_PROCESSING */
3025         u8 bssid[ETH_ALEN];
3026         struct wpa_bss *bss;
3027         struct wpa_ssid *ssid = wpa_s->current_ssid;
3028
3029         if (hwaddr_aton(addr, bssid)) {
3030                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3031                            "address '%s'", addr);
3032                 return -1;
3033         }
3034
3035         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3036
3037         bss = wpa_bss_get_bssid(wpa_s, bssid);
3038         if (!bss) {
3039                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3040                            "from BSS table");
3041                 return -1;
3042         }
3043
3044         /*
3045          * TODO: Find best network configuration block from configuration to
3046          * allow roaming to other networks
3047          */
3048
3049         if (!ssid) {
3050                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3051                            "configuration known for the target AP");
3052                 return -1;
3053         }
3054
3055         wpa_s->reassociate = 1;
3056         wpa_supplicant_connect(wpa_s, bss, ssid);
3057
3058         return 0;
3059 #endif /* CONFIG_NO_SCAN_PROCESSING */
3060 }
3061
3062
3063 #ifdef CONFIG_P2P
3064 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3065 {
3066         unsigned int timeout = atoi(cmd);
3067         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3068         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3069         char *pos;
3070         unsigned int search_delay;
3071
3072         if (os_strstr(cmd, "type=social"))
3073                 type = P2P_FIND_ONLY_SOCIAL;
3074         else if (os_strstr(cmd, "type=progressive"))
3075                 type = P2P_FIND_PROGRESSIVE;
3076
3077         pos = os_strstr(cmd, "dev_id=");
3078         if (pos) {
3079                 pos += 7;
3080                 if (hwaddr_aton(pos, dev_id))
3081                         return -1;
3082                 _dev_id = dev_id;
3083         }
3084
3085         pos = os_strstr(cmd, "delay=");
3086         if (pos) {
3087                 pos += 6;
3088                 search_delay = atoi(pos);
3089         } else
3090                 search_delay = wpas_p2p_search_delay(wpa_s);
3091
3092         return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3093                              search_delay);
3094 }
3095
3096
3097 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3098                             char *buf, size_t buflen)
3099 {
3100         u8 addr[ETH_ALEN];
3101         char *pos, *pos2;
3102         char *pin = NULL;
3103         enum p2p_wps_method wps_method;
3104         int new_pin;
3105         int ret;
3106         int persistent_group, persistent_id = -1;
3107         int join;
3108         int auth;
3109         int automatic;
3110         int go_intent = -1;
3111         int freq = 0;
3112         int pd;
3113         int ht40;
3114
3115         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3116          * [persistent|persistent=<network id>]
3117          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3118          * [ht40] */
3119
3120         if (hwaddr_aton(cmd, addr))
3121                 return -1;
3122
3123         pos = cmd + 17;
3124         if (*pos != ' ')
3125                 return -1;
3126         pos++;
3127
3128         persistent_group = os_strstr(pos, " persistent") != NULL;
3129         pos2 = os_strstr(pos, " persistent=");
3130         if (pos2) {
3131                 struct wpa_ssid *ssid;
3132                 persistent_id = atoi(pos2 + 12);
3133                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3134                 if (ssid == NULL || ssid->disabled != 2 ||
3135                     ssid->mode != WPAS_MODE_P2P_GO) {
3136                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3137                                    "SSID id=%d for persistent P2P group (GO)",
3138                                    persistent_id);
3139                         return -1;
3140                 }
3141         }
3142         join = os_strstr(pos, " join") != NULL;
3143         auth = os_strstr(pos, " auth") != NULL;
3144         automatic = os_strstr(pos, " auto") != NULL;
3145         pd = os_strstr(pos, " provdisc") != NULL;
3146         ht40 = os_strstr(pos, " ht40") != NULL;
3147
3148         pos2 = os_strstr(pos, " go_intent=");
3149         if (pos2) {
3150                 pos2 += 11;
3151                 go_intent = atoi(pos2);
3152                 if (go_intent < 0 || go_intent > 15)
3153                         return -1;
3154         }
3155
3156         pos2 = os_strstr(pos, " freq=");
3157         if (pos2) {
3158                 pos2 += 6;
3159                 freq = atoi(pos2);
3160                 if (freq <= 0)
3161                         return -1;
3162         }
3163
3164         if (os_strncmp(pos, "pin", 3) == 0) {
3165                 /* Request random PIN (to be displayed) and enable the PIN */
3166                 wps_method = WPS_PIN_DISPLAY;
3167         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3168                 wps_method = WPS_PBC;
3169         } else {
3170                 pin = pos;
3171                 pos = os_strchr(pin, ' ');
3172                 wps_method = WPS_PIN_KEYPAD;
3173                 if (pos) {
3174                         *pos++ = '\0';
3175                         if (os_strncmp(pos, "display", 7) == 0)
3176                                 wps_method = WPS_PIN_DISPLAY;
3177                 }
3178                 if (!wps_pin_str_valid(pin)) {
3179                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3180                         return 17;
3181                 }
3182         }
3183
3184         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3185                                    persistent_group, automatic, join,
3186                                    auth, go_intent, freq, persistent_id, pd,
3187                                    ht40);
3188         if (new_pin == -2) {
3189                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3190                 return 25;
3191         }
3192         if (new_pin == -3) {
3193                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3194                 return 25;
3195         }
3196         if (new_pin < 0)
3197                 return -1;
3198         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3199                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3200                 if (ret < 0 || (size_t) ret >= buflen)
3201                         return -1;
3202                 return ret;
3203         }
3204
3205         os_memcpy(buf, "OK\n", 3);
3206         return 3;
3207 }
3208
3209
3210 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3211 {
3212         unsigned int timeout = atoi(cmd);
3213         return wpas_p2p_listen(wpa_s, timeout);
3214 }
3215
3216
3217 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3218 {
3219         u8 addr[ETH_ALEN];
3220         char *pos;
3221         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3222
3223         /* <addr> <config method> [join|auto] */
3224
3225         if (hwaddr_aton(cmd, addr))
3226                 return -1;
3227
3228         pos = cmd + 17;
3229         if (*pos != ' ')
3230                 return -1;
3231         pos++;
3232
3233         if (os_strstr(pos, " join") != NULL)
3234                 use = WPAS_P2P_PD_FOR_JOIN;
3235         else if (os_strstr(pos, " auto") != NULL)
3236                 use = WPAS_P2P_PD_AUTO;
3237
3238         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3239 }
3240
3241
3242 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3243                               size_t buflen)
3244 {
3245         struct wpa_ssid *ssid = wpa_s->current_ssid;
3246
3247         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3248             ssid->passphrase == NULL)
3249                 return -1;
3250
3251         os_strlcpy(buf, ssid->passphrase, buflen);
3252         return os_strlen(buf);
3253 }
3254
3255
3256 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3257                                   char *buf, size_t buflen)
3258 {
3259         u64 ref;
3260         int res;
3261         u8 dst_buf[ETH_ALEN], *dst;
3262         struct wpabuf *tlvs;
3263         char *pos;
3264         size_t len;
3265
3266         if (hwaddr_aton(cmd, dst_buf))
3267                 return -1;
3268         dst = dst_buf;
3269         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3270             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3271                 dst = NULL;
3272         pos = cmd + 17;
3273         if (*pos != ' ')
3274                 return -1;
3275         pos++;
3276
3277         if (os_strncmp(pos, "upnp ", 5) == 0) {
3278                 u8 version;
3279                 pos += 5;
3280                 if (hexstr2bin(pos, &version, 1) < 0)
3281                         return -1;
3282                 pos += 2;
3283                 if (*pos != ' ')
3284                         return -1;
3285                 pos++;
3286                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3287 #ifdef CONFIG_WIFI_DISPLAY
3288         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3289                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3290 #endif /* CONFIG_WIFI_DISPLAY */
3291         } else {
3292                 len = os_strlen(pos);
3293                 if (len & 1)
3294                         return -1;
3295                 len /= 2;
3296                 tlvs = wpabuf_alloc(len);
3297                 if (tlvs == NULL)
3298                         return -1;
3299                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3300                         wpabuf_free(tlvs);
3301                         return -1;
3302                 }
3303
3304                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3305                 wpabuf_free(tlvs);
3306         }
3307         if (ref == 0)
3308                 return -1;
3309         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3310         if (res < 0 || (unsigned) res >= buflen)
3311                 return -1;
3312         return res;
3313 }
3314
3315
3316 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3317                                          char *cmd)
3318 {
3319         long long unsigned val;
3320         u64 req;
3321         if (sscanf(cmd, "%llx", &val) != 1)
3322                 return -1;
3323         req = val;
3324         return wpas_p2p_sd_cancel_request(wpa_s, req);
3325 }
3326
3327
3328 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3329 {
3330         int freq;
3331         u8 dst[ETH_ALEN];
3332         u8 dialog_token;
3333         struct wpabuf *resp_tlvs;
3334         char *pos, *pos2;
3335         size_t len;
3336
3337         pos = os_strchr(cmd, ' ');
3338         if (pos == NULL)
3339                 return -1;
3340         *pos++ = '\0';
3341         freq = atoi(cmd);
3342         if (freq == 0)
3343                 return -1;
3344
3345         if (hwaddr_aton(pos, dst))
3346                 return -1;
3347         pos += 17;
3348         if (*pos != ' ')
3349                 return -1;
3350         pos++;
3351
3352         pos2 = os_strchr(pos, ' ');
3353         if (pos2 == NULL)
3354                 return -1;
3355         *pos2++ = '\0';
3356         dialog_token = atoi(pos);
3357
3358         len = os_strlen(pos2);
3359         if (len & 1)
3360                 return -1;
3361         len /= 2;
3362         resp_tlvs = wpabuf_alloc(len);
3363         if (resp_tlvs == NULL)
3364                 return -1;
3365         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3366                 wpabuf_free(resp_tlvs);
3367                 return -1;
3368         }
3369
3370         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3371         wpabuf_free(resp_tlvs);
3372         return 0;
3373 }
3374
3375
3376 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3377                                        char *cmd)
3378 {
3379         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3380                 return -1;
3381         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3382         return 0;
3383 }
3384
3385
3386 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3387                                         char *cmd)
3388 {
3389         char *pos;
3390         size_t len;
3391         struct wpabuf *query, *resp;
3392
3393         pos = os_strchr(cmd, ' ');
3394         if (pos == NULL)
3395                 return -1;
3396         *pos++ = '\0';
3397
3398         len = os_strlen(cmd);
3399         if (len & 1)
3400                 return -1;
3401         len /= 2;
3402         query = wpabuf_alloc(len);
3403         if (query == NULL)
3404                 return -1;
3405         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3406                 wpabuf_free(query);
3407                 return -1;
3408         }
3409
3410         len = os_strlen(pos);
3411         if (len & 1) {
3412                 wpabuf_free(query);
3413                 return -1;
3414         }
3415         len /= 2;
3416         resp = wpabuf_alloc(len);
3417         if (resp == NULL) {
3418                 wpabuf_free(query);
3419                 return -1;
3420         }
3421         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
3422                 wpabuf_free(query);
3423                 wpabuf_free(resp);
3424                 return -1;
3425         }
3426
3427         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
3428                 wpabuf_free(query);
3429                 wpabuf_free(resp);
3430                 return -1;
3431         }
3432         return 0;
3433 }
3434
3435
3436 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3437 {
3438         char *pos;
3439         u8 version;
3440
3441         pos = os_strchr(cmd, ' ');
3442         if (pos == NULL)
3443                 return -1;
3444         *pos++ = '\0';
3445
3446         if (hexstr2bin(cmd, &version, 1) < 0)
3447                 return -1;
3448
3449         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
3450 }
3451
3452
3453 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
3454 {
3455         char *pos;
3456
3457         pos = os_strchr(cmd, ' ');
3458         if (pos == NULL)
3459                 return -1;
3460         *pos++ = '\0';
3461
3462         if (os_strcmp(cmd, "bonjour") == 0)
3463                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
3464         if (os_strcmp(cmd, "upnp") == 0)
3465                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
3466         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3467         return -1;
3468 }
3469
3470
3471 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
3472                                         char *cmd)
3473 {
3474         size_t len;
3475         struct wpabuf *query;
3476         int ret;
3477
3478         len = os_strlen(cmd);
3479         if (len & 1)
3480                 return -1;
3481         len /= 2;
3482         query = wpabuf_alloc(len);
3483         if (query == NULL)
3484                 return -1;
3485         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3486                 wpabuf_free(query);
3487                 return -1;
3488         }
3489
3490         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
3491         wpabuf_free(query);
3492         return ret;
3493 }
3494
3495
3496 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3497 {
3498         char *pos;
3499         u8 version;
3500
3501         pos = os_strchr(cmd, ' ');
3502         if (pos == NULL)
3503                 return -1;
3504         *pos++ = '\0';
3505
3506         if (hexstr2bin(cmd, &version, 1) < 0)
3507                 return -1;
3508
3509         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
3510 }
3511
3512
3513 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
3514 {
3515         char *pos;
3516
3517         pos = os_strchr(cmd, ' ');
3518         if (pos == NULL)
3519                 return -1;
3520         *pos++ = '\0';
3521
3522         if (os_strcmp(cmd, "bonjour") == 0)
3523                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
3524         if (os_strcmp(cmd, "upnp") == 0)
3525                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
3526         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3527         return -1;
3528 }
3529
3530
3531 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
3532 {
3533         u8 addr[ETH_ALEN];
3534
3535         /* <addr> */
3536
3537         if (hwaddr_aton(cmd, addr))
3538                 return -1;
3539
3540         return wpas_p2p_reject(wpa_s, addr);
3541 }
3542
3543
3544 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
3545 {
3546         char *pos;
3547         int id;
3548         struct wpa_ssid *ssid;
3549         u8 peer[ETH_ALEN];
3550
3551         id = atoi(cmd);
3552         pos = os_strstr(cmd, " peer=");
3553         if (pos) {
3554                 pos += 6;
3555                 if (hwaddr_aton(pos, peer))
3556                         return -1;
3557         }
3558         ssid = wpa_config_get_network(wpa_s->conf, id);
3559         if (ssid == NULL || ssid->disabled != 2) {
3560                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3561                            "for persistent P2P group",
3562                            id);
3563                 return -1;
3564         }
3565
3566         return wpas_p2p_invite(wpa_s, pos ? peer : NULL, ssid, NULL);
3567 }
3568
3569
3570 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
3571 {
3572         char *pos;
3573         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
3574
3575         pos = os_strstr(cmd, " peer=");
3576         if (!pos)
3577                 return -1;
3578
3579         *pos = '\0';
3580         pos += 6;
3581         if (hwaddr_aton(pos, peer)) {
3582                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
3583                 return -1;
3584         }
3585
3586         pos = os_strstr(pos, " go_dev_addr=");
3587         if (pos) {
3588                 pos += 13;
3589                 if (hwaddr_aton(pos, go_dev_addr)) {
3590                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
3591                                    pos);
3592                         return -1;
3593                 }
3594                 go_dev = go_dev_addr;
3595         }
3596
3597         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
3598 }
3599
3600
3601 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
3602 {
3603         if (os_strncmp(cmd, "persistent=", 11) == 0)
3604                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
3605         if (os_strncmp(cmd, "group=", 6) == 0)
3606                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
3607
3608         return -1;
3609 }
3610
3611
3612 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
3613                                          char *cmd, int freq, int ht40)
3614 {
3615         int id;
3616         struct wpa_ssid *ssid;
3617
3618         id = atoi(cmd);
3619         ssid = wpa_config_get_network(wpa_s->conf, id);
3620         if (ssid == NULL || ssid->disabled != 2) {
3621                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3622                            "for persistent P2P group",
3623                            id);
3624                 return -1;
3625         }
3626
3627         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40);
3628 }
3629
3630
3631 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
3632 {
3633         int freq = 0, ht40;
3634         char *pos;
3635
3636         pos = os_strstr(cmd, "freq=");
3637         if (pos)
3638                 freq = atoi(pos + 5);
3639
3640         ht40 = os_strstr(cmd, "ht40") != NULL;
3641
3642         if (os_strncmp(cmd, "persistent=", 11) == 0)
3643                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
3644                                                      ht40);
3645         if (os_strcmp(cmd, "persistent") == 0 ||
3646             os_strncmp(cmd, "persistent ", 11) == 0)
3647                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40);
3648         if (os_strncmp(cmd, "freq=", 5) == 0)
3649                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
3650         if (ht40)
3651                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
3652
3653         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
3654                    cmd);
3655         return -1;
3656 }
3657
3658
3659 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
3660                          char *buf, size_t buflen)
3661 {
3662         u8 addr[ETH_ALEN], *addr_ptr;
3663         int next, res;
3664         const struct p2p_peer_info *info;
3665         char *pos, *end;
3666         char devtype[WPS_DEV_TYPE_BUFSIZE];
3667         struct wpa_ssid *ssid;
3668
3669         if (!wpa_s->global->p2p)
3670                 return -1;
3671
3672         if (os_strcmp(cmd, "FIRST") == 0) {
3673                 addr_ptr = NULL;
3674                 next = 0;
3675         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3676                 if (hwaddr_aton(cmd + 5, addr) < 0)
3677                         return -1;
3678                 addr_ptr = addr;
3679                 next = 1;
3680         } else {
3681                 if (hwaddr_aton(cmd, addr) < 0)
3682                         return -1;
3683                 addr_ptr = addr;
3684                 next = 0;
3685         }
3686
3687         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
3688         if (info == NULL)
3689                 return -1;
3690
3691         pos = buf;
3692         end = buf + buflen;
3693
3694         res = os_snprintf(pos, end - pos, MACSTR "\n"
3695                           "pri_dev_type=%s\n"
3696                           "device_name=%s\n"
3697                           "manufacturer=%s\n"
3698                           "model_name=%s\n"
3699                           "model_number=%s\n"
3700                           "serial_number=%s\n"
3701                           "config_methods=0x%x\n"
3702                           "dev_capab=0x%x\n"
3703                           "group_capab=0x%x\n"
3704                           "level=%d\n",
3705                           MAC2STR(info->p2p_device_addr),
3706                           wps_dev_type_bin2str(info->pri_dev_type,
3707                                                devtype, sizeof(devtype)),
3708                           info->device_name,
3709                           info->manufacturer,
3710                           info->model_name,
3711                           info->model_number,
3712                           info->serial_number,
3713                           info->config_methods,
3714                           info->dev_capab,
3715                           info->group_capab,
3716                           info->level);
3717         if (res < 0 || res >= end - pos)
3718                 return pos - buf;
3719         pos += res;
3720
3721         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
3722         if (ssid) {
3723                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
3724                 if (res < 0 || res >= end - pos)
3725                         return pos - buf;
3726                 pos += res;
3727         }
3728
3729         res = p2p_get_peer_info_txt(info, pos, end - pos);
3730         if (res < 0)
3731                 return pos - buf;
3732         pos += res;
3733
3734         return pos - buf;
3735 }
3736
3737
3738 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
3739                                   const char *param)
3740 {
3741         struct wpa_freq_range *freq = NULL, *n;
3742         unsigned int count = 0, i;
3743         const char *pos, *pos2, *pos3;
3744
3745         if (wpa_s->global->p2p == NULL)
3746                 return -1;
3747
3748         /*
3749          * param includes comma separated frequency range.
3750          * For example: 2412-2432,2462,5000-6000
3751          */
3752         pos = param;
3753         while (pos && pos[0]) {
3754                 n = os_realloc_array(freq, count + 1,
3755                                      sizeof(struct wpa_freq_range));
3756                 if (n == NULL) {
3757                         os_free(freq);
3758                         return -1;
3759                 }
3760                 freq = n;
3761                 freq[count].min = atoi(pos);
3762                 pos2 = os_strchr(pos, '-');
3763                 pos3 = os_strchr(pos, ',');
3764                 if (pos2 && (!pos3 || pos2 < pos3)) {
3765                         pos2++;
3766                         freq[count].max = atoi(pos2);
3767                 } else
3768                         freq[count].max = freq[count].min;
3769                 pos = pos3;
3770                 if (pos)
3771                         pos++;
3772                 count++;
3773         }
3774
3775         for (i = 0; i < count; i++) {
3776                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
3777                            freq[i].min, freq[i].max);
3778         }
3779
3780         os_free(wpa_s->global->p2p_disallow_freq);
3781         wpa_s->global->p2p_disallow_freq = freq;
3782         wpa_s->global->num_p2p_disallow_freq = count;
3783         wpas_p2p_update_channel_list(wpa_s);
3784         return 0;
3785 }
3786
3787
3788 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
3789 {
3790         char *param;
3791
3792         if (wpa_s->global->p2p == NULL)
3793                 return -1;
3794
3795         param = os_strchr(cmd, ' ');
3796         if (param == NULL)
3797                 return -1;
3798         *param++ = '\0';
3799
3800         if (os_strcmp(cmd, "discoverability") == 0) {
3801                 p2p_set_client_discoverability(wpa_s->global->p2p,
3802                                                atoi(param));
3803                 return 0;
3804         }
3805
3806         if (os_strcmp(cmd, "managed") == 0) {
3807                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
3808                 return 0;
3809         }
3810
3811         if (os_strcmp(cmd, "listen_channel") == 0) {
3812                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
3813                                               atoi(param));
3814         }
3815
3816         if (os_strcmp(cmd, "ssid_postfix") == 0) {
3817                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
3818                                             os_strlen(param));
3819         }
3820
3821         if (os_strcmp(cmd, "noa") == 0) {
3822                 char *pos;
3823                 int count, start, duration;
3824                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
3825                 count = atoi(param);
3826                 pos = os_strchr(param, ',');
3827                 if (pos == NULL)
3828                         return -1;
3829                 pos++;
3830                 start = atoi(pos);
3831                 pos = os_strchr(pos, ',');
3832                 if (pos == NULL)
3833                         return -1;
3834                 pos++;
3835                 duration = atoi(pos);
3836                 if (count < 0 || count > 255 || start < 0 || duration < 0)
3837                         return -1;
3838                 if (count == 0 && duration > 0)
3839                         return -1;
3840                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
3841                            "start=%d duration=%d", count, start, duration);
3842                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
3843         }
3844
3845         if (os_strcmp(cmd, "ps") == 0)
3846                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
3847
3848         if (os_strcmp(cmd, "oppps") == 0)
3849                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
3850
3851         if (os_strcmp(cmd, "ctwindow") == 0)
3852                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
3853
3854         if (os_strcmp(cmd, "disabled") == 0) {
3855                 wpa_s->global->p2p_disabled = atoi(param);
3856                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
3857                            wpa_s->global->p2p_disabled ?
3858                            "disabled" : "enabled");
3859                 if (wpa_s->global->p2p_disabled) {
3860                         wpas_p2p_stop_find(wpa_s);
3861                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
3862                         p2p_flush(wpa_s->global->p2p);
3863                 }
3864                 return 0;
3865         }
3866
3867         if (os_strcmp(cmd, "conc_pref") == 0) {
3868                 if (os_strcmp(param, "sta") == 0)
3869                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
3870                 else if (os_strcmp(param, "p2p") == 0)
3871                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
3872                 else {
3873                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
3874                         return -1;
3875                 }
3876                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
3877                            "%s", param);
3878                 return 0;
3879         }
3880
3881         if (os_strcmp(cmd, "force_long_sd") == 0) {
3882                 wpa_s->force_long_sd = atoi(param);
3883                 return 0;
3884         }
3885
3886         if (os_strcmp(cmd, "peer_filter") == 0) {
3887                 u8 addr[ETH_ALEN];
3888                 if (hwaddr_aton(param, addr))
3889                         return -1;
3890                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
3891                 return 0;
3892         }
3893
3894         if (os_strcmp(cmd, "cross_connect") == 0)
3895                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
3896
3897         if (os_strcmp(cmd, "go_apsd") == 0) {
3898                 if (os_strcmp(param, "disable") == 0)
3899                         wpa_s->set_ap_uapsd = 0;
3900                 else {
3901                         wpa_s->set_ap_uapsd = 1;
3902                         wpa_s->ap_uapsd = atoi(param);
3903                 }
3904                 return 0;
3905         }
3906
3907         if (os_strcmp(cmd, "client_apsd") == 0) {
3908                 if (os_strcmp(param, "disable") == 0)
3909                         wpa_s->set_sta_uapsd = 0;
3910                 else {
3911                         int be, bk, vi, vo;
3912                         char *pos;
3913                         /* format: BE,BK,VI,VO;max SP Length */
3914                         be = atoi(param);
3915                         pos = os_strchr(param, ',');
3916                         if (pos == NULL)
3917                                 return -1;
3918                         pos++;
3919                         bk = atoi(pos);
3920                         pos = os_strchr(pos, ',');
3921                         if (pos == NULL)
3922                                 return -1;
3923                         pos++;
3924                         vi = atoi(pos);
3925                         pos = os_strchr(pos, ',');
3926                         if (pos == NULL)
3927                                 return -1;
3928                         pos++;
3929                         vo = atoi(pos);
3930                         /* ignore max SP Length for now */
3931
3932                         wpa_s->set_sta_uapsd = 1;
3933                         wpa_s->sta_uapsd = 0;
3934                         if (be)
3935                                 wpa_s->sta_uapsd |= BIT(0);
3936                         if (bk)
3937                                 wpa_s->sta_uapsd |= BIT(1);
3938                         if (vi)
3939                                 wpa_s->sta_uapsd |= BIT(2);
3940                         if (vo)
3941                                 wpa_s->sta_uapsd |= BIT(3);
3942                 }
3943                 return 0;
3944         }
3945
3946         if (os_strcmp(cmd, "disallow_freq") == 0)
3947                 return p2p_ctrl_disallow_freq(wpa_s, param);
3948
3949         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
3950                    cmd);
3951
3952         return -1;
3953 }
3954
3955
3956 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
3957 {
3958         char *pos, *pos2;
3959         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
3960
3961         if (cmd[0]) {
3962                 pos = os_strchr(cmd, ' ');
3963                 if (pos == NULL)
3964                         return -1;
3965                 *pos++ = '\0';
3966                 dur1 = atoi(cmd);
3967
3968                 pos2 = os_strchr(pos, ' ');
3969                 if (pos2)
3970                         *pos2++ = '\0';
3971                 int1 = atoi(pos);
3972         } else
3973                 pos2 = NULL;
3974
3975         if (pos2) {
3976                 pos = os_strchr(pos2, ' ');
3977                 if (pos == NULL)
3978                         return -1;
3979                 *pos++ = '\0';
3980                 dur2 = atoi(pos2);
3981                 int2 = atoi(pos);
3982         }
3983
3984         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
3985 }
3986
3987
3988 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
3989 {
3990         char *pos;
3991         unsigned int period = 0, interval = 0;
3992
3993         if (cmd[0]) {
3994                 pos = os_strchr(cmd, ' ');
3995                 if (pos == NULL)
3996                         return -1;
3997                 *pos++ = '\0';
3998                 period = atoi(cmd);
3999                 interval = atoi(pos);
4000         }
4001
4002         return wpas_p2p_ext_listen(wpa_s, period, interval);
4003 }
4004
4005 #endif /* CONFIG_P2P */
4006
4007
4008 #ifdef CONFIG_INTERWORKING
4009 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4010 {
4011         u8 bssid[ETH_ALEN];
4012         struct wpa_bss *bss;
4013
4014         if (hwaddr_aton(dst, bssid)) {
4015                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4016                 return -1;
4017         }
4018
4019         bss = wpa_bss_get_bssid(wpa_s, bssid);
4020         if (bss == NULL) {
4021                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4022                            MAC2STR(bssid));
4023                 return -1;
4024         }
4025
4026         return interworking_connect(wpa_s, bss);
4027 }
4028
4029
4030 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4031 {
4032         u8 dst_addr[ETH_ALEN];
4033         int used;
4034         char *pos;
4035 #define MAX_ANQP_INFO_ID 100
4036         u16 id[MAX_ANQP_INFO_ID];
4037         size_t num_id = 0;
4038
4039         used = hwaddr_aton2(dst, dst_addr);
4040         if (used < 0)
4041                 return -1;
4042         pos = dst + used;
4043         while (num_id < MAX_ANQP_INFO_ID) {
4044                 id[num_id] = atoi(pos);
4045                 if (id[num_id])
4046                         num_id++;
4047                 pos = os_strchr(pos + 1, ',');
4048                 if (pos == NULL)
4049                         break;
4050                 pos++;
4051         }
4052
4053         if (num_id == 0)
4054                 return -1;
4055
4056         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4057 }
4058
4059
4060 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4061 {
4062         u8 dst_addr[ETH_ALEN];
4063         struct wpabuf *advproto, *query = NULL;
4064         int used, ret = -1;
4065         char *pos, *end;
4066         size_t len;
4067
4068         used = hwaddr_aton2(cmd, dst_addr);
4069         if (used < 0)
4070                 return -1;
4071
4072         pos = cmd + used;
4073         while (*pos == ' ')
4074                 pos++;
4075
4076         /* Advertisement Protocol ID */
4077         end = os_strchr(pos, ' ');
4078         if (end)
4079                 len = end - pos;
4080         else
4081                 len = os_strlen(pos);
4082         if (len & 0x01)
4083                 return -1;
4084         len /= 2;
4085         if (len == 0)
4086                 return -1;
4087         advproto = wpabuf_alloc(len);
4088         if (advproto == NULL)
4089                 return -1;
4090         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4091                 goto fail;
4092
4093         if (end) {
4094                 /* Optional Query Request */
4095                 pos = end + 1;
4096                 while (*pos == ' ')
4097                         pos++;
4098
4099                 len = os_strlen(pos);
4100                 if (len) {
4101                         if (len & 0x01)
4102                                 goto fail;
4103                         len /= 2;
4104                         if (len == 0)
4105                                 goto fail;
4106                         query = wpabuf_alloc(len);
4107                         if (query == NULL)
4108                                 goto fail;
4109                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4110                                 goto fail;
4111                 }
4112         }
4113
4114         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4115
4116 fail:
4117         wpabuf_free(advproto);
4118         wpabuf_free(query);
4119
4120         return ret;
4121 }
4122
4123
4124 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4125                             size_t buflen)
4126 {
4127         u8 addr[ETH_ALEN];
4128         int dialog_token;
4129         int used;
4130         char *pos;
4131         size_t resp_len, start, requested_len;
4132
4133         if (!wpa_s->last_gas_resp)
4134                 return -1;
4135
4136         used = hwaddr_aton2(cmd, addr);
4137         if (used < 0)
4138                 return -1;
4139
4140         pos = cmd + used;
4141         while (*pos == ' ')
4142                 pos++;
4143         dialog_token = atoi(pos);
4144
4145         if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4146             dialog_token != wpa_s->last_gas_dialog_token)
4147                 return -1;
4148
4149         resp_len = wpabuf_len(wpa_s->last_gas_resp);
4150         start = 0;
4151         requested_len = resp_len;
4152
4153         pos = os_strchr(pos, ' ');
4154         if (pos) {
4155                 start = atoi(pos);
4156                 if (start > resp_len)
4157                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4158                 pos = os_strchr(pos, ',');
4159                 if (pos == NULL)
4160                         return -1;
4161                 pos++;
4162                 requested_len = atoi(pos);
4163                 if (start + requested_len > resp_len)
4164                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4165         }
4166
4167         if (requested_len * 2 + 1 > buflen)
4168                 return os_snprintf(buf, buflen, "FAIL-Too long response");
4169
4170         return wpa_snprintf_hex(buf, buflen,
4171                                 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4172                                 requested_len);
4173 }
4174 #endif /* CONFIG_INTERWORKING */
4175
4176
4177 #ifdef CONFIG_HS20
4178
4179 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4180 {
4181         u8 dst_addr[ETH_ALEN];
4182         int used;
4183         char *pos;
4184         u32 subtypes = 0;
4185
4186         used = hwaddr_aton2(dst, dst_addr);
4187         if (used < 0)
4188                 return -1;
4189         pos = dst + used;
4190         for (;;) {
4191                 int num = atoi(pos);
4192                 if (num <= 0 || num > 31)
4193                         return -1;
4194                 subtypes |= BIT(num);
4195                 pos = os_strchr(pos + 1, ',');
4196                 if (pos == NULL)
4197                         break;
4198                 pos++;
4199         }
4200
4201         if (subtypes == 0)
4202                 return -1;
4203
4204         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4205 }
4206
4207
4208 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4209                                     const u8 *addr, const char *realm)
4210 {
4211         u8 *buf;
4212         size_t rlen, len;
4213         int ret;
4214
4215         rlen = os_strlen(realm);
4216         len = 3 + rlen;
4217         buf = os_malloc(len);
4218         if (buf == NULL)
4219                 return -1;
4220         buf[0] = 1; /* NAI Home Realm Count */
4221         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4222         buf[2] = rlen;
4223         os_memcpy(buf + 3, realm, rlen);
4224
4225         ret = hs20_anqp_send_req(wpa_s, addr,
4226                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4227                                  buf, len);
4228
4229         os_free(buf);
4230
4231         return ret;
4232 }
4233
4234
4235 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4236                                         char *dst)
4237 {
4238         struct wpa_cred *cred = wpa_s->conf->cred;
4239         u8 dst_addr[ETH_ALEN];
4240         int used;
4241         u8 *buf;
4242         size_t len;
4243         int ret;
4244
4245         used = hwaddr_aton2(dst, dst_addr);
4246         if (used < 0)
4247                 return -1;
4248
4249         while (dst[used] == ' ')
4250                 used++;
4251         if (os_strncmp(dst + used, "realm=", 6) == 0)
4252                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4253                                                 dst + used + 6);
4254
4255         len = os_strlen(dst + used);
4256
4257         if (len == 0 && cred && cred->realm)
4258                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4259
4260         if (len % 1)
4261                 return -1;
4262         len /= 2;
4263         buf = os_malloc(len);
4264         if (buf == NULL)
4265                 return -1;
4266         if (hexstr2bin(dst + used, buf, len) < 0) {
4267                 os_free(buf);
4268                 return -1;
4269         }
4270
4271         ret = hs20_anqp_send_req(wpa_s, dst_addr,
4272                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4273                                  buf, len);
4274         os_free(buf);
4275
4276         return ret;
4277 }
4278
4279 #endif /* CONFIG_HS20 */
4280
4281
4282 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4283         struct wpa_supplicant *wpa_s, char *cmd)
4284 {
4285         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4286         return 0;
4287 }
4288
4289
4290 #ifdef CONFIG_AUTOSCAN
4291
4292 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4293                                               char *cmd)
4294 {
4295         enum wpa_states state = wpa_s->wpa_state;
4296         char *new_params = NULL;
4297
4298         if (os_strlen(cmd) > 0) {
4299                 new_params = os_strdup(cmd);
4300                 if (new_params == NULL)
4301                         return -1;
4302         }
4303
4304         os_free(wpa_s->conf->autoscan);
4305         wpa_s->conf->autoscan = new_params;
4306
4307         if (wpa_s->conf->autoscan == NULL)
4308                 autoscan_deinit(wpa_s);
4309         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4310                 autoscan_init(wpa_s, 1);
4311         else if (state == WPA_SCANNING)
4312                 wpa_supplicant_reinit_autoscan(wpa_s);
4313
4314         return 0;
4315 }
4316
4317 #endif /* CONFIG_AUTOSCAN */
4318
4319
4320 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
4321                                       size_t buflen)
4322 {
4323         struct wpa_signal_info si;
4324         int ret;
4325
4326         ret = wpa_drv_signal_poll(wpa_s, &si);
4327         if (ret)
4328                 return -1;
4329
4330         ret = os_snprintf(buf, buflen, "RSSI=%d\nLINKSPEED=%d\n"
4331                           "NOISE=%d\nFREQUENCY=%u\n",
4332                           si.current_signal, si.current_txrate / 1000,
4333                           si.current_noise, si.frequency);
4334         if (ret < 0 || (unsigned int) ret > buflen)
4335                 return -1;
4336         return ret;
4337 }
4338
4339
4340 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
4341                                       size_t buflen)
4342 {
4343         struct hostap_sta_driver_data sta;
4344         int ret;
4345
4346         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
4347         if (ret)
4348                 return -1;
4349
4350         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
4351                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
4352         if (ret < 0 || (size_t) ret > buflen)
4353                 return -1;
4354         return ret;
4355 }
4356
4357
4358 #ifdef ANDROID
4359 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
4360                                      char *buf, size_t buflen)
4361 {
4362         int ret;
4363
4364         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
4365         if (ret == 0)
4366                 ret = sprintf(buf, "%s\n", "OK");
4367         return ret;
4368 }
4369 #endif
4370
4371 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
4372                                          char *buf, size_t *resp_len)
4373 {
4374         char *reply;
4375         const int reply_size = 4096;
4376         int ctrl_rsp = 0;
4377         int reply_len;
4378
4379         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
4380             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
4381                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
4382                                       (const u8 *) buf, os_strlen(buf));
4383         } else {
4384                 int level = MSG_DEBUG;
4385                 if (os_strcmp(buf, "PING") == 0)
4386                         level = MSG_EXCESSIVE;
4387                 wpa_hexdump_ascii(level, "RX ctrl_iface",
4388                                   (const u8 *) buf, os_strlen(buf));
4389         }
4390
4391         reply = os_malloc(reply_size);
4392         if (reply == NULL) {
4393                 *resp_len = 1;
4394                 return NULL;
4395         }
4396
4397         os_memcpy(reply, "OK\n", 3);
4398         reply_len = 3;
4399
4400         if (os_strcmp(buf, "PING") == 0) {
4401                 os_memcpy(reply, "PONG\n", 5);
4402                 reply_len = 5;
4403         } else if (os_strcmp(buf, "IFNAME") == 0) {
4404                 reply_len = os_strlen(wpa_s->ifname);
4405                 os_memcpy(reply, wpa_s->ifname, reply_len);
4406         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
4407                 if (wpa_debug_reopen_file() < 0)
4408                         reply_len = -1;
4409         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
4410                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
4411         } else if (os_strcmp(buf, "MIB") == 0) {
4412                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
4413                 if (reply_len >= 0) {
4414                         int res;
4415                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
4416                                                reply_size - reply_len);
4417                         if (res < 0)
4418                                 reply_len = -1;
4419                         else
4420                                 reply_len += res;
4421                 }
4422         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
4423                 reply_len = wpa_supplicant_ctrl_iface_status(
4424                         wpa_s, buf + 6, reply, reply_size);
4425         } else if (os_strcmp(buf, "PMKSA") == 0) {
4426                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
4427                                                     reply_size);
4428         } else if (os_strncmp(buf, "SET ", 4) == 0) {
4429                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
4430                         reply_len = -1;
4431         } else if (os_strncmp(buf, "GET ", 4) == 0) {
4432                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
4433                                                           reply, reply_size);
4434         } else if (os_strcmp(buf, "LOGON") == 0) {
4435                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
4436         } else if (os_strcmp(buf, "LOGOFF") == 0) {
4437                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
4438         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
4439                 wpa_s->normal_scans = 0;
4440                 wpa_supplicant_reinit_autoscan(wpa_s);
4441                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4442                         reply_len = -1;
4443                 else {
4444                         wpa_s->disconnected = 0;
4445                         wpa_s->reassociate = 1;
4446                         wpa_supplicant_req_scan(wpa_s, 0, 0);
4447                 }
4448         } else if (os_strcmp(buf, "RECONNECT") == 0) {
4449                 wpa_s->normal_scans = 0;
4450                 wpa_supplicant_reinit_autoscan(wpa_s);
4451                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4452                         reply_len = -1;
4453                 else if (wpa_s->disconnected) {
4454                         wpa_s->disconnected = 0;
4455                         wpa_s->reassociate = 1;
4456                         wpa_supplicant_req_scan(wpa_s, 0, 0);
4457                 }
4458 #ifdef IEEE8021X_EAPOL
4459         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
4460                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
4461                         reply_len = -1;
4462 #endif /* IEEE8021X_EAPOL */
4463 #ifdef CONFIG_PEERKEY
4464         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
4465                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
4466                         reply_len = -1;
4467 #endif /* CONFIG_PEERKEY */
4468 #ifdef CONFIG_IEEE80211R
4469         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
4470                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
4471                         reply_len = -1;
4472 #endif /* CONFIG_IEEE80211R */
4473 #ifdef CONFIG_WPS
4474         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
4475                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
4476                 if (res == -2) {
4477                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4478                         reply_len = 17;
4479                 } else if (res)
4480                         reply_len = -1;
4481         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
4482                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
4483                 if (res == -2) {
4484                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4485                         reply_len = 17;
4486                 } else if (res)
4487                         reply_len = -1;
4488         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
4489                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
4490                                                               reply,
4491                                                               reply_size);
4492         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
4493                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
4494                         wpa_s, buf + 14, reply, reply_size);
4495         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
4496                 if (wpas_wps_cancel(wpa_s))
4497                         reply_len = -1;
4498 #ifdef CONFIG_WPS_OOB
4499         } else if (os_strncmp(buf, "WPS_OOB ", 8) == 0) {
4500                 if (wpa_supplicant_ctrl_iface_wps_oob(wpa_s, buf + 8))
4501                         reply_len = -1;
4502 #endif /* CONFIG_WPS_OOB */
4503 #ifdef CONFIG_WPS_NFC
4504         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
4505                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
4506                         reply_len = -1;
4507         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
4508                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
4509                         reply_len = -1;
4510         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
4511                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
4512                         wpa_s, buf + 14, reply, reply_size);
4513         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
4514                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
4515                                                                buf + 17))
4516                         reply_len = -1;
4517 #endif /* CONFIG_WPS_NFC */
4518         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
4519                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
4520                         reply_len = -1;
4521 #ifdef CONFIG_AP
4522         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
4523                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
4524                         wpa_s, buf + 11, reply, reply_size);
4525 #endif /* CONFIG_AP */
4526 #ifdef CONFIG_WPS_ER
4527         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
4528                 if (wpas_wps_er_start(wpa_s, NULL))
4529                         reply_len = -1;
4530         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
4531                 if (wpas_wps_er_start(wpa_s, buf + 13))
4532                         reply_len = -1;
4533         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
4534                 if (wpas_wps_er_stop(wpa_s))
4535                         reply_len = -1;
4536         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
4537                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
4538                         reply_len = -1;
4539         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
4540                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
4541                 if (ret == -2) {
4542                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4543                         reply_len = 17;
4544                 } else if (ret == -3) {
4545                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
4546                         reply_len = 18;
4547                 } else if (ret == -4) {
4548                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
4549                         reply_len = 20;
4550                 } else if (ret)
4551                         reply_len = -1;
4552         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
4553                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
4554                         reply_len = -1;
4555         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
4556                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
4557                                                                 buf + 18))
4558                         reply_len = -1;
4559         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
4560                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
4561                         reply_len = -1;
4562 #ifdef CONFIG_WPS_NFC
4563         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
4564                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
4565                         wpa_s, buf + 24, reply, reply_size);
4566 #endif /* CONFIG_WPS_NFC */
4567 #endif /* CONFIG_WPS_ER */
4568 #endif /* CONFIG_WPS */
4569 #ifdef CONFIG_IBSS_RSN
4570         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
4571                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
4572                         reply_len = -1;
4573 #endif /* CONFIG_IBSS_RSN */
4574 #ifdef CONFIG_P2P
4575         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
4576                 if (p2p_ctrl_find(wpa_s, buf + 9))
4577                         reply_len = -1;
4578         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
4579                 if (p2p_ctrl_find(wpa_s, ""))
4580                         reply_len = -1;
4581         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
4582                 wpas_p2p_stop_find(wpa_s);
4583         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
4584                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
4585                                              reply_size);
4586         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
4587                 if (p2p_ctrl_listen(wpa_s, buf + 11))
4588                         reply_len = -1;
4589         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
4590                 if (p2p_ctrl_listen(wpa_s, ""))
4591                         reply_len = -1;
4592         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
4593                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
4594                         reply_len = -1;
4595         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
4596                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0))
4597                         reply_len = -1;
4598         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
4599                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
4600                         reply_len = -1;
4601         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
4602                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
4603                         reply_len = -1;
4604         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
4605                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
4606         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
4607                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
4608                                                    reply_size);
4609         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
4610                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
4611                         reply_len = -1;
4612         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
4613                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
4614                         reply_len = -1;
4615         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
4616 #ifdef ANDROID_P2P
4617                 wpas_p2p_sd_service_update(wpa_s, SRV_UPDATE);
4618 #else
4619                 wpas_p2p_sd_service_update(wpa_s);
4620 #endif
4621         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
4622                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
4623                         reply_len = -1;
4624         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
4625                 wpas_p2p_service_flush(wpa_s);
4626         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
4627                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
4628                         reply_len = -1;
4629         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
4630                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
4631                         reply_len = -1;
4632         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
4633                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
4634                         reply_len = -1;
4635         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
4636                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
4637                         reply_len = -1;
4638         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
4639                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
4640                                               reply_size);
4641         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
4642                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
4643                         reply_len = -1;
4644         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
4645                 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4646                 wpa_s->force_long_sd = 0;
4647                 if (wpa_s->global->p2p)
4648                         p2p_flush(wpa_s->global->p2p);
4649         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
4650                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
4651                         reply_len = -1;
4652         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
4653                 if (wpas_p2p_cancel(wpa_s))
4654                         reply_len = -1;
4655         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
4656                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
4657                         reply_len = -1;
4658         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
4659                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
4660                         reply_len = -1;
4661         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
4662                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
4663                         reply_len = -1;
4664         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
4665                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
4666                         reply_len = -1;
4667 #endif /* CONFIG_P2P */
4668 #ifdef CONFIG_WIFI_DISPLAY
4669         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
4670                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
4671                         reply_len = -1;
4672         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
4673                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
4674                                                      reply, reply_size);
4675 #endif /* CONFIG_WIFI_DISPLAY */
4676 #ifdef CONFIG_INTERWORKING
4677         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
4678                 if (interworking_fetch_anqp(wpa_s) < 0)
4679                         reply_len = -1;
4680         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
4681                 interworking_stop_fetch_anqp(wpa_s);
4682         } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
4683                 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
4684                                         NULL) < 0)
4685                         reply_len = -1;
4686         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
4687                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
4688                         reply_len = -1;
4689         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
4690                 if (get_anqp(wpa_s, buf + 9) < 0)
4691                         reply_len = -1;
4692         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
4693                 if (gas_request(wpa_s, buf + 12) < 0)
4694                         reply_len = -1;
4695         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
4696                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
4697                                              reply_size);
4698 #endif /* CONFIG_INTERWORKING */
4699 #ifdef CONFIG_HS20
4700         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
4701                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
4702                         reply_len = -1;
4703         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
4704                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
4705                         reply_len = -1;
4706 #endif /* CONFIG_HS20 */
4707         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
4708         {
4709                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
4710                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
4711                         reply_len = -1;
4712                 else
4713                         ctrl_rsp = 1;
4714         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
4715                 if (wpa_supplicant_reload_configuration(wpa_s))
4716                         reply_len = -1;
4717         } else if (os_strcmp(buf, "TERMINATE") == 0) {
4718                 wpa_supplicant_terminate_proc(wpa_s->global);
4719         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
4720                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
4721                         reply_len = -1;
4722         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
4723                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
4724                         wpa_s, buf + 9, reply, reply_size);
4725         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
4726                 reply_len = wpa_supplicant_ctrl_iface_log_level(
4727                         wpa_s, buf + 9, reply, reply_size);
4728         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
4729                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
4730                         wpa_s, reply, reply_size);
4731         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
4732 #ifdef CONFIG_SME
4733                 wpa_s->sme.prev_bssid_set = 0;
4734 #endif /* CONFIG_SME */
4735                 wpa_s->reassociate = 0;
4736                 wpa_s->disconnected = 1;
4737                 wpa_supplicant_cancel_sched_scan(wpa_s);
4738                 wpa_supplicant_cancel_scan(wpa_s);
4739                 wpa_supplicant_deauthenticate(wpa_s,
4740                                               WLAN_REASON_DEAUTH_LEAVING);
4741         } else if (os_strcmp(buf, "SCAN") == 0) {
4742                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4743                         reply_len = -1;
4744                 else {
4745                         if (!wpa_s->scanning &&
4746                             ((wpa_s->wpa_state <= WPA_SCANNING) ||
4747                              (wpa_s->wpa_state == WPA_COMPLETED))) {
4748                                 wpa_s->normal_scans = 0;
4749                                 wpa_s->scan_req = 2;
4750                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
4751                         } else if (wpa_s->sched_scanning) {
4752                                 wpa_printf(MSG_DEBUG, "Stop ongoing "
4753                                            "sched_scan to allow requested "
4754                                            "full scan to proceed");
4755                                 wpa_supplicant_cancel_sched_scan(wpa_s);
4756                                 wpa_s->scan_req = 2;
4757                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
4758                         } else {
4759                                 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
4760                                            "reject new request");
4761                                 reply_len = os_snprintf(reply, reply_size,
4762                                                         "FAIL-BUSY\n");
4763                         }
4764                 }
4765         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
4766                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
4767                         wpa_s, reply, reply_size);
4768         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
4769                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
4770                         reply_len = -1;
4771         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
4772                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
4773                         reply_len = -1;
4774         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
4775                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
4776                         reply_len = -1;
4777         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
4778                 reply_len = wpa_supplicant_ctrl_iface_add_network(
4779                         wpa_s, reply, reply_size);
4780         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
4781                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
4782                         reply_len = -1;
4783         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
4784                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
4785                         reply_len = -1;
4786         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
4787                 reply_len = wpa_supplicant_ctrl_iface_get_network(
4788                         wpa_s, buf + 12, reply, reply_size);
4789         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
4790                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
4791                         wpa_s, reply, reply_size);
4792         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
4793                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
4794                         wpa_s, reply, reply_size);
4795         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
4796                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
4797                         reply_len = -1;
4798         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
4799                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
4800                         reply_len = -1;
4801 #ifndef CONFIG_NO_CONFIG_WRITE
4802         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
4803                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
4804                         reply_len = -1;
4805 #endif /* CONFIG_NO_CONFIG_WRITE */
4806         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
4807                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
4808                         wpa_s, buf + 15, reply, reply_size);
4809         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
4810                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
4811                         reply_len = -1;
4812         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
4813                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
4814                         reply_len = -1;
4815         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
4816                 reply_len = wpa_supplicant_global_iface_list(
4817                         wpa_s->global, reply, reply_size);
4818         } else if (os_strcmp(buf, "INTERFACES") == 0) {
4819                 reply_len = wpa_supplicant_global_iface_interfaces(
4820                         wpa_s->global, reply, reply_size);
4821         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
4822                 reply_len = wpa_supplicant_ctrl_iface_bss(
4823                         wpa_s, buf + 4, reply, reply_size);
4824 #ifdef CONFIG_AP
4825         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
4826                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
4827         } else if (os_strncmp(buf, "STA ", 4) == 0) {
4828                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
4829                                               reply_size);
4830         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
4831                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
4832                                                    reply_size);
4833         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
4834                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
4835                         reply_len = -1;
4836         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
4837                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
4838                         reply_len = -1;
4839 #endif /* CONFIG_AP */
4840         } else if (os_strcmp(buf, "SUSPEND") == 0) {
4841                 wpas_notify_suspend(wpa_s->global);
4842         } else if (os_strcmp(buf, "RESUME") == 0) {
4843                 wpas_notify_resume(wpa_s->global);
4844         } else if (os_strcmp(buf, "DROP_SA") == 0) {
4845                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
4846         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
4847                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
4848                         reply_len = -1;
4849         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
4850                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
4851                         reply_len = -1;
4852         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
4853                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
4854                         reply_len = -1;
4855         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
4856                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
4857                                                                buf + 17))
4858                         reply_len = -1;
4859         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
4860                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
4861                         reply_len = -1;
4862 #ifdef CONFIG_TDLS
4863         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
4864                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
4865                         reply_len = -1;
4866         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
4867                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
4868                         reply_len = -1;
4869         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
4870                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
4871                         reply_len = -1;
4872 #endif /* CONFIG_TDLS */
4873         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
4874                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
4875                                                        reply_size);
4876         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
4877                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
4878                                                        reply_size);
4879 #ifdef CONFIG_AUTOSCAN
4880         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
4881                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
4882                         reply_len = -1;
4883 #endif /* CONFIG_AUTOSCAN */
4884 #ifdef ANDROID
4885         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
4886                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
4887                                                       reply_size);
4888 #endif
4889         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
4890                 eapol_sm_request_reauth(wpa_s->eapol);
4891         } else {
4892                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
4893                 reply_len = 16;
4894         }
4895
4896         if (reply_len < 0) {
4897                 os_memcpy(reply, "FAIL\n", 5);
4898                 reply_len = 5;
4899         }
4900
4901         if (ctrl_rsp)
4902                 eapol_sm_notify_ctrl_response(wpa_s->eapol);
4903
4904         *resp_len = reply_len;
4905         return reply;
4906 }
4907
4908
4909 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
4910                                            char *cmd)
4911 {
4912         struct wpa_interface iface;
4913         char *pos;
4914
4915         /*
4916          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
4917          * TAB<bridge_ifname>
4918          */
4919         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
4920
4921         os_memset(&iface, 0, sizeof(iface));
4922
4923         do {
4924                 iface.ifname = pos = cmd;
4925                 pos = os_strchr(pos, '\t');
4926                 if (pos)
4927                         *pos++ = '\0';
4928                 if (iface.ifname[0] == '\0')
4929                         return -1;
4930                 if (pos == NULL)
4931                         break;
4932
4933                 iface.confname = pos;
4934                 pos = os_strchr(pos, '\t');
4935                 if (pos)
4936                         *pos++ = '\0';
4937                 if (iface.confname[0] == '\0')
4938                         iface.confname = NULL;
4939                 if (pos == NULL)
4940                         break;
4941
4942                 iface.driver = pos;
4943                 pos = os_strchr(pos, '\t');
4944                 if (pos)
4945                         *pos++ = '\0';
4946                 if (iface.driver[0] == '\0')
4947                         iface.driver = NULL;
4948                 if (pos == NULL)
4949                         break;
4950
4951                 iface.ctrl_interface = pos;
4952                 pos = os_strchr(pos, '\t');
4953                 if (pos)
4954                         *pos++ = '\0';
4955                 if (iface.ctrl_interface[0] == '\0')
4956                         iface.ctrl_interface = NULL;
4957                 if (pos == NULL)
4958                         break;
4959
4960                 iface.driver_param = pos;
4961                 pos = os_strchr(pos, '\t');
4962                 if (pos)
4963                         *pos++ = '\0';
4964                 if (iface.driver_param[0] == '\0')
4965                         iface.driver_param = NULL;
4966                 if (pos == NULL)
4967                         break;
4968
4969                 iface.bridge_ifname = pos;
4970                 pos = os_strchr(pos, '\t');
4971                 if (pos)
4972                         *pos++ = '\0';
4973                 if (iface.bridge_ifname[0] == '\0')
4974                         iface.bridge_ifname = NULL;
4975                 if (pos == NULL)
4976                         break;
4977         } while (0);
4978
4979         if (wpa_supplicant_get_iface(global, iface.ifname))
4980                 return -1;
4981
4982         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
4983 }
4984
4985
4986 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
4987                                               char *cmd)
4988 {
4989         struct wpa_supplicant *wpa_s;
4990
4991         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
4992
4993         wpa_s = wpa_supplicant_get_iface(global, cmd);
4994         if (wpa_s == NULL)
4995                 return -1;
4996         return wpa_supplicant_remove_iface(global, wpa_s, 0);
4997 }
4998
4999
5000 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5001 {
5002         struct wpa_interface_info *prev;
5003
5004         while (iface) {
5005                 prev = iface;
5006                 iface = iface->next;
5007
5008                 os_free(prev->ifname);
5009                 os_free(prev->desc);
5010                 os_free(prev);
5011         }
5012 }
5013
5014
5015 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5016                                             char *buf, int len)
5017 {
5018         int i, res;
5019         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5020         char *pos, *end;
5021
5022         for (i = 0; wpa_drivers[i]; i++) {
5023                 struct wpa_driver_ops *drv = wpa_drivers[i];
5024                 if (drv->get_interfaces == NULL)
5025                         continue;
5026                 tmp = drv->get_interfaces(global->drv_priv[i]);
5027                 if (tmp == NULL)
5028                         continue;
5029
5030                 if (last == NULL)
5031                         iface = last = tmp;
5032                 else
5033                         last->next = tmp;
5034                 while (last->next)
5035                         last = last->next;
5036         }
5037
5038         pos = buf;
5039         end = buf + len;
5040         for (tmp = iface; tmp; tmp = tmp->next) {
5041                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5042                                   tmp->drv_name, tmp->ifname,
5043                                   tmp->desc ? tmp->desc : "");
5044                 if (res < 0 || res >= end - pos) {
5045                         *pos = '\0';
5046                         break;
5047                 }
5048                 pos += res;
5049         }
5050
5051         wpa_free_iface_info(iface);
5052
5053         return pos - buf;
5054 }
5055
5056
5057 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5058                                                   char *buf, int len)
5059 {
5060         int res;
5061         char *pos, *end;
5062         struct wpa_supplicant *wpa_s;
5063
5064         wpa_s = global->ifaces;
5065         pos = buf;
5066         end = buf + len;
5067
5068         while (wpa_s) {
5069                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5070                 if (res < 0 || res >= end - pos) {
5071                         *pos = '\0';
5072                         break;
5073                 }
5074                 pos += res;
5075                 wpa_s = wpa_s->next;
5076         }
5077         return pos - buf;
5078 }
5079
5080
5081 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
5082                                                 char *buf, size_t *resp_len)
5083 {
5084         char *reply;
5085         const int reply_size = 2048;
5086         int reply_len;
5087         int level = MSG_DEBUG;
5088
5089         if (os_strcmp(buf, "PING") == 0)
5090                 level = MSG_EXCESSIVE;
5091         wpa_hexdump_ascii(level, "RX global ctrl_iface",
5092                           (const u8 *) buf, os_strlen(buf));
5093
5094         reply = os_malloc(reply_size);
5095         if (reply == NULL) {
5096                 *resp_len = 1;
5097                 return NULL;
5098         }
5099
5100         os_memcpy(reply, "OK\n", 3);
5101         reply_len = 3;
5102
5103         if (os_strcmp(buf, "PING") == 0) {
5104                 os_memcpy(reply, "PONG\n", 5);
5105                 reply_len = 5;
5106         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
5107                 if (wpa_supplicant_global_iface_add(global, buf + 14))
5108                         reply_len = -1;
5109         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
5110                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
5111                         reply_len = -1;
5112         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5113                 reply_len = wpa_supplicant_global_iface_list(
5114                         global, reply, reply_size);
5115         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5116                 reply_len = wpa_supplicant_global_iface_interfaces(
5117                         global, reply, reply_size);
5118         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5119                 wpa_supplicant_terminate_proc(global);
5120         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5121                 wpas_notify_suspend(global);
5122         } else if (os_strcmp(buf, "RESUME") == 0) {
5123                 wpas_notify_resume(global);
5124         } else {
5125                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5126                 reply_len = 16;
5127         }
5128
5129         if (reply_len < 0) {
5130                 os_memcpy(reply, "FAIL\n", 5);
5131                 reply_len = 5;
5132         }
5133
5134         *resp_len = reply_len;
5135         return reply;
5136 }