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