contrib/wpa_supplicant/wpa_supplicant/ctrl_iface.c

   1 /*
   2  * WPA Supplicant / Control interface (shared code for all backends)
   3  * Copyright (c) 2004-2014, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10
  11 #include "utils/common.h"
  12 #include "utils/eloop.h"
  13 #include "utils/uuid.h"
  14 #include "common/version.h"
  15 #include "common/ieee802_11_defs.h"
  16 #include "common/ieee802_11_common.h"
  17 #include "common/wpa_ctrl.h"
  18 #include "eap_peer/eap.h"
  19 #include "eapol_supp/eapol_supp_sm.h"
  20 #include "rsn_supp/wpa.h"
  21 #include "rsn_supp/preauth.h"
  22 #include "rsn_supp/pmksa_cache.h"
  23 #include "l2_packet/l2_packet.h"
  24 #include "wps/wps.h"
  25 #include "config.h"
  26 #include "wpa_supplicant_i.h"
  27 #include "driver_i.h"
  28 #include "wps_supplicant.h"
  29 #include "ibss_rsn.h"
  30 #include "ap.h"
  31 #include "p2p_supplicant.h"
  32 #include "p2p/p2p.h"
  33 #include "hs20_supplicant.h"
  34 #include "wifi_display.h"
  35 #include "notify.h"
  36 #include "bss.h"
  37 #include "scan.h"
  38 #include "ctrl_iface.h"
  39 #include "interworking.h"
  40 #include "blacklist.h"
  41 #include "autoscan.h"
  42 #include "wnm_sta.h"
  43
  44 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
  45                                             char *buf, int len);
  46 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
  47                                                   char *buf, int len);
  48
  49
  50 static int pno_start(struct wpa_supplicant *wpa_s)
  51 {
  52         int ret, interval;
  53         size_t i, num_ssid;
  54         struct wpa_ssid *ssid;
  55         struct wpa_driver_scan_params params;
  56
  57         if (wpa_s->pno || wpa_s->pno_sched_pending)
  58                 return 0;
  59
  60         if ((wpa_s->wpa_state > WPA_SCANNING) &&
  61             (wpa_s->wpa_state <= WPA_COMPLETED)) {
  62                 wpa_printf(MSG_ERROR, "PNO: In assoc process");
  63                 return -EAGAIN;
  64         }
  65
  66         if (wpa_s->wpa_state == WPA_SCANNING) {
  67                 wpa_supplicant_cancel_scan(wpa_s);
  68                 if (wpa_s->sched_scanning) {
  69                         wpa_printf(MSG_DEBUG, "Schedule PNO on completion of "
  70                                    "ongoing sched scan");
  71                         wpa_supplicant_cancel_sched_scan(wpa_s);
  72                         wpa_s->pno_sched_pending = 1;
  73                         return 0;
  74                 }
  75         }
  76
  77         os_memset(&params, 0, sizeof(params));
  78
  79         num_ssid = 0;
  80         ssid = wpa_s->conf->ssid;
  81         while (ssid) {
  82                 if (!wpas_network_disabled(wpa_s, ssid))
  83                         num_ssid++;
  84                 ssid = ssid->next;
  85         }
  86         if (num_ssid > WPAS_MAX_SCAN_SSIDS) {
  87                 wpa_printf(MSG_DEBUG, "PNO: Use only the first %u SSIDs from "
  88                            "%u", WPAS_MAX_SCAN_SSIDS, (unsigned int) num_ssid);
  89                 num_ssid = WPAS_MAX_SCAN_SSIDS;
  90         }
  91
  92         if (num_ssid == 0) {
  93                 wpa_printf(MSG_DEBUG, "PNO: No configured SSIDs");
  94                 return -1;
  95         }
  96
  97         params.filter_ssids = os_malloc(sizeof(struct wpa_driver_scan_filter) *
  98                                         num_ssid);
  99         if (params.filter_ssids == NULL)
 100                 return -1;
 101         i = 0;
 102         ssid = wpa_s->conf->ssid;
 103         while (ssid) {
 104                 if (!wpas_network_disabled(wpa_s, ssid)) {
 105                         params.ssids[i].ssid = ssid->ssid;
 106                         params.ssids[i].ssid_len = ssid->ssid_len;
 107                         params.num_ssids++;
 108                         os_memcpy(params.filter_ssids[i].ssid, ssid->ssid,
 109                                   ssid->ssid_len);
 110                         params.filter_ssids[i].ssid_len = ssid->ssid_len;
 111                         params.num_filter_ssids++;
 112                         i++;
 113                         if (i == num_ssid)
 114                                 break;
 115                 }
 116                 ssid = ssid->next;
 117         }
 118
 119         if (wpa_s->conf->filter_rssi)
 120                 params.filter_rssi = wpa_s->conf->filter_rssi;
 121
 122         interval = wpa_s->conf->sched_scan_interval ?
 123                 wpa_s->conf->sched_scan_interval : 10;
 124
 125         ret = wpa_supplicant_start_sched_scan(wpa_s, &params, interval);
 126         os_free(params.filter_ssids);
 127         if (ret == 0)
 128                 wpa_s->pno = 1;
 129         return ret;
 130 }
 131
 132
 133 static int pno_stop(struct wpa_supplicant *wpa_s)
 134 {
 135         int ret = 0;
 136
 137         if (wpa_s->pno || wpa_s->sched_scanning) {
 138                 wpa_s->pno = 0;
 139                 ret = wpa_supplicant_stop_sched_scan(wpa_s);
 140         }
 141
 142         wpa_s->pno_sched_pending = 0;
 143
 144         if (wpa_s->wpa_state == WPA_SCANNING)
 145                 wpa_supplicant_req_scan(wpa_s, 0, 0);
 146
 147         return ret;
 148 }
 149
 150
 151 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
 152 {
 153         char *pos;
 154         u8 addr[ETH_ALEN], *filter = NULL, *n;
 155         size_t count = 0;
 156
 157         pos = val;
 158         while (pos) {
 159                 if (*pos == '\0')
 160                         break;
 161                 if (hwaddr_aton(pos, addr)) {
 162                         os_free(filter);
 163                         return -1;
 164                 }
 165                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
 166                 if (n == NULL) {
 167                         os_free(filter);
 168                         return -1;
 169                 }
 170                 filter = n;
 171                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
 172                 count++;
 173
 174                 pos = os_strchr(pos, ' ');
 175                 if (pos)
 176                         pos++;
 177         }
 178
 179         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
 180         os_free(wpa_s->bssid_filter);
 181         wpa_s->bssid_filter = filter;
 182         wpa_s->bssid_filter_count = count;
 183
 184         return 0;
 185 }
 186
 187
 188 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
 189 {
 190         char *pos;
 191         u8 addr[ETH_ALEN], *bssid = NULL, *n;
 192         struct wpa_ssid_value *ssid = NULL, *ns;
 193         size_t count = 0, ssid_count = 0;
 194         struct wpa_ssid *c;
 195
 196         /*
 197          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
 198          * SSID_SPEC ::= ssid <SSID_HEX>
 199          * BSSID_SPEC ::= bssid <BSSID_HEX>
 200          */
 201
 202         pos = val;
 203         while (pos) {
 204                 if (*pos == '\0')
 205                         break;
 206                 if (os_strncmp(pos, "bssid ", 6) == 0) {
 207                         int res;
 208                         pos += 6;
 209                         res = hwaddr_aton2(pos, addr);
 210                         if (res < 0) {
 211                                 os_free(ssid);
 212                                 os_free(bssid);
 213                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 214                                            "BSSID value '%s'", pos);
 215                                 return -1;
 216                         }
 217                         pos += res;
 218                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
 219                         if (n == NULL) {
 220                                 os_free(ssid);
 221                                 os_free(bssid);
 222                                 return -1;
 223                         }
 224                         bssid = n;
 225                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
 226                         count++;
 227                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
 228                         char *end;
 229                         pos += 5;
 230
 231                         end = pos;
 232                         while (*end) {
 233                                 if (*end == '\0' || *end == ' ')
 234                                         break;
 235                                 end++;
 236                         }
 237
 238                         ns = os_realloc_array(ssid, ssid_count + 1,
 239                                               sizeof(struct wpa_ssid_value));
 240                         if (ns == NULL) {
 241                                 os_free(ssid);
 242                                 os_free(bssid);
 243                                 return -1;
 244                         }
 245                         ssid = ns;
 246
 247                         if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
 248                             hexstr2bin(pos, ssid[ssid_count].ssid,
 249                                        (end - pos) / 2) < 0) {
 250                                 os_free(ssid);
 251                                 os_free(bssid);
 252                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 253                                            "SSID value '%s'", pos);
 254                                 return -1;
 255                         }
 256                         ssid[ssid_count].ssid_len = (end - pos) / 2;
 257                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
 258                                           ssid[ssid_count].ssid,
 259                                           ssid[ssid_count].ssid_len);
 260                         ssid_count++;
 261                         pos = end;
 262                 } else {
 263                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
 264                                    "'%s'", pos);
 265                         os_free(ssid);
 266                         os_free(bssid);
 267                         return -1;
 268                 }
 269
 270                 pos = os_strchr(pos, ' ');
 271                 if (pos)
 272                         pos++;
 273         }
 274
 275         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
 276         os_free(wpa_s->disallow_aps_bssid);
 277         wpa_s->disallow_aps_bssid = bssid;
 278         wpa_s->disallow_aps_bssid_count = count;
 279
 280         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
 281         os_free(wpa_s->disallow_aps_ssid);
 282         wpa_s->disallow_aps_ssid = ssid;
 283         wpa_s->disallow_aps_ssid_count = ssid_count;
 284
 285         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
 286                 return 0;
 287
 288         c = wpa_s->current_ssid;
 289         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
 290                 return 0;
 291
 292         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
 293             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
 294                 return 0;
 295
 296         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
 297                    "because current AP was marked disallowed");
 298
 299 #ifdef CONFIG_SME
 300         wpa_s->sme.prev_bssid_set = 0;
 301 #endif /* CONFIG_SME */
 302         wpa_s->reassociate = 1;
 303         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
 304         wpa_supplicant_req_scan(wpa_s, 0, 0);
 305
 306         return 0;
 307 }
 308
 309
 310 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
 311                                          char *cmd)
 312 {
 313         char *value;
 314         int ret = 0;
 315
 316         value = os_strchr(cmd, ' ');
 317         if (value == NULL)
 318                 return -1;
 319         *value++ = '\0';
 320
 321         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
 322         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
 323                 eapol_sm_configure(wpa_s->eapol,
 324                                    atoi(value), -1, -1, -1);
 325         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
 326                 eapol_sm_configure(wpa_s->eapol,
 327                                    -1, atoi(value), -1, -1);
 328         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
 329                 eapol_sm_configure(wpa_s->eapol,
 330                                    -1, -1, atoi(value), -1);
 331         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
 332                 eapol_sm_configure(wpa_s->eapol,
 333                                    -1, -1, -1, atoi(value));
 334         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
 335                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
 336                                      atoi(value)))
 337                         ret = -1;
 338         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
 339                    0) {
 340                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
 341                                      atoi(value)))
 342                         ret = -1;
 343         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
 344                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
 345                         ret = -1;
 346         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
 347                 wpa_s->wps_fragment_size = atoi(value);
 348 #ifdef CONFIG_WPS_TESTING
 349         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
 350                 long int val;
 351                 val = strtol(value, NULL, 0);
 352                 if (val < 0 || val > 0xff) {
 353                         ret = -1;
 354                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
 355                                    "wps_version_number %ld", val);
 356                 } else {
 357                         wps_version_number = val;
 358                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
 359                                    "version %u.%u",
 360                                    (wps_version_number & 0xf0) >> 4,
 361                                    wps_version_number & 0x0f);
 362                 }
 363         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
 364                 wps_testing_dummy_cred = atoi(value);
 365                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
 366                            wps_testing_dummy_cred);
 367         } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
 368                 wps_corrupt_pkhash = atoi(value);
 369                 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
 370                            wps_corrupt_pkhash);
 371 #endif /* CONFIG_WPS_TESTING */
 372         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
 373                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
 374                         ret = -1;
 375 #ifdef CONFIG_TDLS
 376 #ifdef CONFIG_TDLS_TESTING
 377         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
 378                 extern unsigned int tdls_testing;
 379                 tdls_testing = strtol(value, NULL, 0);
 380                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
 381 #endif /* CONFIG_TDLS_TESTING */
 382         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
 383                 int disabled = atoi(value);
 384                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
 385                 if (disabled) {
 386                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
 387                                 ret = -1;
 388                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
 389                         ret = -1;
 390                 wpa_tdls_enable(wpa_s->wpa, !disabled);
 391 #endif /* CONFIG_TDLS */
 392         } else if (os_strcasecmp(cmd, "pno") == 0) {
 393                 if (atoi(value))
 394                         ret = pno_start(wpa_s);
 395                 else
 396                         ret = pno_stop(wpa_s);
 397         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
 398                 int disabled = atoi(value);
 399                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
 400                         ret = -1;
 401                 else if (disabled)
 402                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
 403         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
 404                 if (os_strcmp(value, "disable") == 0)
 405                         wpa_s->set_sta_uapsd = 0;
 406                 else {
 407                         int be, bk, vi, vo;
 408                         char *pos;
 409                         /* format: BE,BK,VI,VO;max SP Length */
 410                         be = atoi(value);
 411                         pos = os_strchr(value, ',');
 412                         if (pos == NULL)
 413                                 return -1;
 414                         pos++;
 415                         bk = atoi(pos);
 416                         pos = os_strchr(pos, ',');
 417                         if (pos == NULL)
 418                                 return -1;
 419                         pos++;
 420                         vi = atoi(pos);
 421                         pos = os_strchr(pos, ',');
 422                         if (pos == NULL)
 423                                 return -1;
 424                         pos++;
 425                         vo = atoi(pos);
 426                         /* ignore max SP Length for now */
 427
 428                         wpa_s->set_sta_uapsd = 1;
 429                         wpa_s->sta_uapsd = 0;
 430                         if (be)
 431                                 wpa_s->sta_uapsd |= BIT(0);
 432                         if (bk)
 433                                 wpa_s->sta_uapsd |= BIT(1);
 434                         if (vi)
 435                                 wpa_s->sta_uapsd |= BIT(2);
 436                         if (vo)
 437                                 wpa_s->sta_uapsd |= BIT(3);
 438                 }
 439         } else if (os_strcasecmp(cmd, "ps") == 0) {
 440                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
 441 #ifdef CONFIG_WIFI_DISPLAY
 442         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 443                 wifi_display_enable(wpa_s->global, !!atoi(value));
 444 #endif /* CONFIG_WIFI_DISPLAY */
 445         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
 446                 ret = set_bssid_filter(wpa_s, value);
 447         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
 448                 ret = set_disallow_aps(wpa_s, value);
 449         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
 450                 wpa_s->no_keep_alive = !!atoi(value);
 451         } else {
 452                 value[-1] = '=';
 453                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
 454                 if (ret == 0)
 455                         wpa_supplicant_update_config(wpa_s);
 456         }
 457
 458         return ret;
 459 }
 460
 461
 462 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
 463                                          char *cmd, char *buf, size_t buflen)
 464 {
 465         int res = -1;
 466
 467         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
 468
 469         if (os_strcmp(cmd, "version") == 0) {
 470                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
 471         } else if (os_strcasecmp(cmd, "country") == 0) {
 472                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
 473                         res = os_snprintf(buf, buflen, "%c%c",
 474                                           wpa_s->conf->country[0],
 475                                           wpa_s->conf->country[1]);
 476 #ifdef CONFIG_WIFI_DISPLAY
 477         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 478                 res = os_snprintf(buf, buflen, "%d",
 479                                   wpa_s->global->wifi_display);
 480                 if (res < 0 || (unsigned int) res >= buflen)
 481                         return -1;
 482                 return res;
 483 #endif /* CONFIG_WIFI_DISPLAY */
 484 #ifdef CONFIG_TESTING_GET_GTK
 485         } else if (os_strcmp(cmd, "gtk") == 0) {
 486                 if (wpa_s->last_gtk_len == 0)
 487                         return -1;
 488                 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
 489                                        wpa_s->last_gtk_len);
 490                 return res;
 491 #endif /* CONFIG_TESTING_GET_GTK */
 492         }
 493
 494         if (res < 0 || (unsigned int) res >= buflen)
 495                 return -1;
 496         return res;
 497 }
 498
 499
 500 #ifdef IEEE8021X_EAPOL
 501 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
 502                                              char *addr)
 503 {
 504         u8 bssid[ETH_ALEN];
 505         struct wpa_ssid *ssid = wpa_s->current_ssid;
 506
 507         if (hwaddr_aton(addr, bssid)) {
 508                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
 509                            "'%s'", addr);
 510                 return -1;
 511         }
 512
 513         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
 514         rsn_preauth_deinit(wpa_s->wpa);
 515         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
 516                 return -1;
 517
 518         return 0;
 519 }
 520 #endif /* IEEE8021X_EAPOL */
 521
 522
 523 #ifdef CONFIG_PEERKEY
 524 /* MLME-STKSTART.request(peer) */
 525 static int wpa_supplicant_ctrl_iface_stkstart(
 526         struct wpa_supplicant *wpa_s, char *addr)
 527 {
 528         u8 peer[ETH_ALEN];
 529
 530         if (hwaddr_aton(addr, peer)) {
 531                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
 532                            "address '%s'", addr);
 533                 return -1;
 534         }
 535
 536         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
 537                    MAC2STR(peer));
 538
 539         return wpa_sm_stkstart(wpa_s->wpa, peer);
 540 }
 541 #endif /* CONFIG_PEERKEY */
 542
 543
 544 #ifdef CONFIG_TDLS
 545
 546 static int wpa_supplicant_ctrl_iface_tdls_discover(
 547         struct wpa_supplicant *wpa_s, char *addr)
 548 {
 549         u8 peer[ETH_ALEN];
 550         int ret;
 551
 552         if (hwaddr_aton(addr, peer)) {
 553                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
 554                            "address '%s'", addr);
 555                 return -1;
 556         }
 557
 558         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
 559                    MAC2STR(peer));
 560
 561         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 562                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
 563         else
 564                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
 565
 566         return ret;
 567 }
 568
 569
 570 static int wpa_supplicant_ctrl_iface_tdls_setup(
 571         struct wpa_supplicant *wpa_s, char *addr)
 572 {
 573         u8 peer[ETH_ALEN];
 574         int ret;
 575
 576         if (hwaddr_aton(addr, peer)) {
 577                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
 578                            "address '%s'", addr);
 579                 return -1;
 580         }
 581
 582         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
 583                    MAC2STR(peer));
 584
 585         if ((wpa_s->conf->tdls_external_control) &&
 586             wpa_tdls_is_external_setup(wpa_s->wpa))
 587                 return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 588
 589         wpa_tdls_remove(wpa_s->wpa, peer);
 590
 591         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 592                 ret = wpa_tdls_start(wpa_s->wpa, peer);
 593         else
 594                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 595
 596         return ret;
 597 }
 598
 599
 600 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 601         struct wpa_supplicant *wpa_s, char *addr)
 602 {
 603         u8 peer[ETH_ALEN];
 604         int ret;
 605
 606         if (hwaddr_aton(addr, peer)) {
 607                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 608                            "address '%s'", addr);
 609                 return -1;
 610         }
 611
 612         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 613                    MAC2STR(peer));
 614
 615         if ((wpa_s->conf->tdls_external_control) &&
 616             wpa_tdls_is_external_setup(wpa_s->wpa))
 617                 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 618
 619         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 620                 ret = wpa_tdls_teardown_link(
 621                         wpa_s->wpa, peer,
 622                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 623         else
 624                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 625
 626         return ret;
 627 }
 628
 629 #endif /* CONFIG_TDLS */
 630
 631
 632 #ifdef CONFIG_IEEE80211R
 633 static int wpa_supplicant_ctrl_iface_ft_ds(
 634         struct wpa_supplicant *wpa_s, char *addr)
 635 {
 636         u8 target_ap[ETH_ALEN];
 637         struct wpa_bss *bss;
 638         const u8 *mdie;
 639
 640         if (hwaddr_aton(addr, target_ap)) {
 641                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 642                            "address '%s'", addr);
 643                 return -1;
 644         }
 645
 646         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 647
 648         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 649         if (bss)
 650                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 651         else
 652                 mdie = NULL;
 653
 654         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 655 }
 656 #endif /* CONFIG_IEEE80211R */
 657
 658
 659 #ifdef CONFIG_WPS
 660 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 661                                              char *cmd)
 662 {
 663         u8 bssid[ETH_ALEN], *_bssid = bssid;
 664 #ifdef CONFIG_P2P
 665         u8 p2p_dev_addr[ETH_ALEN];
 666 #endif /* CONFIG_P2P */
 667 #ifdef CONFIG_AP
 668         u8 *_p2p_dev_addr = NULL;
 669 #endif /* CONFIG_AP */
 670
 671         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 672                 _bssid = NULL;
 673 #ifdef CONFIG_P2P
 674         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 675                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 676                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 677                                    "P2P Device Address '%s'",
 678                                    cmd + 13);
 679                         return -1;
 680                 }
 681                 _p2p_dev_addr = p2p_dev_addr;
 682 #endif /* CONFIG_P2P */
 683         } else if (hwaddr_aton(cmd, bssid)) {
 684                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 685                            cmd);
 686                 return -1;
 687         }
 688
 689 #ifdef CONFIG_AP
 690         if (wpa_s->ap_iface)
 691                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 692 #endif /* CONFIG_AP */
 693
 694         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 695 }
 696
 697
 698 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 699                                              char *cmd, char *buf,
 700                                              size_t buflen)
 701 {
 702         u8 bssid[ETH_ALEN], *_bssid = bssid;
 703         char *pin;
 704         int ret;
 705
 706         pin = os_strchr(cmd, ' ');
 707         if (pin)
 708                 *pin++ = '\0';
 709
 710         if (os_strcmp(cmd, "any") == 0)
 711                 _bssid = NULL;
 712         else if (os_strcmp(cmd, "get") == 0) {
 713                 ret = wps_generate_pin();
 714                 goto done;
 715         } else if (hwaddr_aton(cmd, bssid)) {
 716                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 717                            cmd);
 718                 return -1;
 719         }
 720
 721 #ifdef CONFIG_AP
 722         if (wpa_s->ap_iface) {
 723                 int timeout = 0;
 724                 char *pos;
 725
 726                 if (pin) {
 727                         pos = os_strchr(pin, ' ');
 728                         if (pos) {
 729                                 *pos++ = '\0';
 730                                 timeout = atoi(pos);
 731                         }
 732                 }
 733
 734                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 735                                                  buf, buflen, timeout);
 736         }
 737 #endif /* CONFIG_AP */
 738
 739         if (pin) {
 740                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 741                                          DEV_PW_DEFAULT);
 742                 if (ret < 0)
 743                         return -1;
 744                 ret = os_snprintf(buf, buflen, "%s", pin);
 745                 if (ret < 0 || (size_t) ret >= buflen)
 746                         return -1;
 747                 return ret;
 748         }
 749
 750         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 751         if (ret < 0)
 752                 return -1;
 753
 754 done:
 755         /* Return the generated PIN */
 756         ret = os_snprintf(buf, buflen, "%08d", ret);
 757         if (ret < 0 || (size_t) ret >= buflen)
 758                 return -1;
 759         return ret;
 760 }
 761
 762
 763 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 764         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 765 {
 766         char pin[9];
 767         size_t len;
 768         char *pos;
 769         int ret;
 770
 771         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
 772                               (u8 *) cmd, os_strlen(cmd));
 773         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
 774                 if (*pos < '0' || *pos > '9')
 775                         continue;
 776                 pin[len++] = *pos;
 777                 if (len == 9) {
 778                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
 779                         return -1;
 780                 }
 781         }
 782         if (len != 4 && len != 8) {
 783                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
 784                 return -1;
 785         }
 786         pin[len] = '\0';
 787
 788         if (len == 8) {
 789                 unsigned int pin_val;
 790                 pin_val = atoi(pin);
 791                 if (!wps_pin_valid(pin_val)) {
 792                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
 793                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
 794                         if (ret < 0 || (size_t) ret >= buflen)
 795                                 return -1;
 796                         return ret;
 797                 }
 798         }
 799
 800         ret = os_snprintf(buf, buflen, "%s", pin);
 801         if (ret < 0 || (size_t) ret >= buflen)
 802                 return -1;
 803
 804         return ret;
 805 }
 806
 807
 808 #ifdef CONFIG_WPS_NFC
 809
 810 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
 811                                              char *cmd)
 812 {
 813         u8 bssid[ETH_ALEN], *_bssid = bssid;
 814
 815         if (cmd == NULL || cmd[0] == '\0')
 816                 _bssid = NULL;
 817         else if (hwaddr_aton(cmd, bssid))
 818                 return -1;
 819
 820         return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
 821                                   0, 0);
 822 }
 823
 824
 825 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
 826         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 827 {
 828         int ndef;
 829         struct wpabuf *buf;
 830         int res;
 831         char *pos;
 832
 833         pos = os_strchr(cmd, ' ');
 834         if (pos)
 835                 *pos++ = '\0';
 836         if (os_strcmp(cmd, "WPS") == 0)
 837                 ndef = 0;
 838         else if (os_strcmp(cmd, "NDEF") == 0)
 839                 ndef = 1;
 840         else
 841                 return -1;
 842
 843         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
 844         if (buf == NULL)
 845                 return -1;
 846
 847         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 848                                          wpabuf_len(buf));
 849         reply[res++] = '\n';
 850         reply[res] = '\0';
 851
 852         wpabuf_free(buf);
 853
 854         return res;
 855 }
 856
 857
 858 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
 859         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 860 {
 861         int ndef;
 862         struct wpabuf *buf;
 863         int res;
 864
 865         if (os_strcmp(cmd, "WPS") == 0)
 866                 ndef = 0;
 867         else if (os_strcmp(cmd, "NDEF") == 0)
 868                 ndef = 1;
 869         else
 870                 return -1;
 871
 872         buf = wpas_wps_nfc_token(wpa_s, ndef);
 873         if (buf == NULL)
 874                 return -1;
 875
 876         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 877                                          wpabuf_len(buf));
 878         reply[res++] = '\n';
 879         reply[res] = '\0';
 880
 881         wpabuf_free(buf);
 882
 883         return res;
 884 }
 885
 886
 887 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
 888         struct wpa_supplicant *wpa_s, char *pos)
 889 {
 890         size_t len;
 891         struct wpabuf *buf;
 892         int ret;
 893         char *freq;
 894         int forced_freq = 0;
 895
 896         freq = strstr(pos, " freq=");
 897         if (freq) {
 898                 *freq = '\0';
 899                 freq += 6;
 900                 forced_freq = atoi(freq);
 901         }
 902
 903         len = os_strlen(pos);
 904         if (len & 0x01)
 905                 return -1;
 906         len /= 2;
 907
 908         buf = wpabuf_alloc(len);
 909         if (buf == NULL)
 910                 return -1;
 911         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
 912                 wpabuf_free(buf);
 913                 return -1;
 914         }
 915
 916         ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
 917         wpabuf_free(buf);
 918
 919         return ret;
 920 }
 921
 922
 923 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
 924                                               char *reply, size_t max_len,
 925                                               int ndef)
 926 {
 927         struct wpabuf *buf;
 928         int res;
 929
 930         buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
 931         if (buf == NULL)
 932                 return -1;
 933
 934         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 935                                          wpabuf_len(buf));
 936         reply[res++] = '\n';
 937         reply[res] = '\0';
 938
 939         wpabuf_free(buf);
 940
 941         return res;
 942 }
 943
 944
 945 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
 946                                               char *reply, size_t max_len,
 947                                               int ndef)
 948 {
 949         struct wpabuf *buf;
 950         int res;
 951
 952         buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
 953         if (buf == NULL) {
 954                 wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
 955                 return -1;
 956         }
 957
 958         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 959                                          wpabuf_len(buf));
 960         reply[res++] = '\n';
 961         reply[res] = '\0';
 962
 963         wpabuf_free(buf);
 964
 965         return res;
 966 }
 967
 968
 969 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
 970                                           char *cmd, char *reply,
 971                                           size_t max_len)
 972 {
 973         char *pos;
 974         int ndef;
 975
 976         pos = os_strchr(cmd, ' ');
 977         if (pos == NULL)
 978                 return -1;
 979         *pos++ = '\0';
 980
 981         if (os_strcmp(cmd, "WPS") == 0)
 982                 ndef = 0;
 983         else if (os_strcmp(cmd, "NDEF") == 0)
 984                 ndef = 1;
 985         else
 986                 return -1;
 987
 988         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
 989                 if (!ndef)
 990                         return -1;
 991                 return wpas_ctrl_nfc_get_handover_req_wps(
 992                         wpa_s, reply, max_len, ndef);
 993         }
 994
 995         if (os_strcmp(pos, "P2P-CR") == 0) {
 996                 return wpas_ctrl_nfc_get_handover_req_p2p(
 997                         wpa_s, reply, max_len, ndef);
 998         }
 999
1000         return -1;
1001 }
1002
1003
1004 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1005                                               char *reply, size_t max_len,
1006                                               int ndef, int cr, char *uuid)
1007 {
1008         struct wpabuf *buf;
1009         int res;
1010
1011         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1012         if (buf == NULL)
1013                 return -1;
1014
1015         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1016                                          wpabuf_len(buf));
1017         reply[res++] = '\n';
1018         reply[res] = '\0';
1019
1020         wpabuf_free(buf);
1021
1022         return res;
1023 }
1024
1025
1026 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1027                                               char *reply, size_t max_len,
1028                                               int ndef, int tag)
1029 {
1030         struct wpabuf *buf;
1031         int res;
1032
1033         buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1034         if (buf == NULL)
1035                 return -1;
1036
1037         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1038                                          wpabuf_len(buf));
1039         reply[res++] = '\n';
1040         reply[res] = '\0';
1041
1042         wpabuf_free(buf);
1043
1044         return res;
1045 }
1046
1047
1048 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1049                                           char *cmd, char *reply,
1050                                           size_t max_len)
1051 {
1052         char *pos, *pos2;
1053         int ndef;
1054
1055         pos = os_strchr(cmd, ' ');
1056         if (pos == NULL)
1057                 return -1;
1058         *pos++ = '\0';
1059
1060         if (os_strcmp(cmd, "WPS") == 0)
1061                 ndef = 0;
1062         else if (os_strcmp(cmd, "NDEF") == 0)
1063                 ndef = 1;
1064         else
1065                 return -1;
1066
1067         pos2 = os_strchr(pos, ' ');
1068         if (pos2)
1069                 *pos2++ = '\0';
1070         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1071                 if (!ndef)
1072                         return -1;
1073                 return wpas_ctrl_nfc_get_handover_sel_wps(
1074                         wpa_s, reply, max_len, ndef,
1075                         os_strcmp(pos, "WPS-CR") == 0, pos2);
1076         }
1077
1078         if (os_strcmp(pos, "P2P-CR") == 0) {
1079                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1080                         wpa_s, reply, max_len, ndef, 0);
1081         }
1082
1083         if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1084                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1085                         wpa_s, reply, max_len, ndef, 1);
1086         }
1087
1088         return -1;
1089 }
1090
1091
1092 static int wpas_ctrl_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
1093                                          char *cmd, char *reply,
1094                                          size_t max_len)
1095 {
1096         size_t len;
1097         struct wpabuf *buf;
1098         int ret;
1099
1100         len = os_strlen(cmd);
1101         if (len & 0x01)
1102                 return -1;
1103         len /= 2;
1104
1105         buf = wpabuf_alloc(len);
1106         if (buf == NULL)
1107                 return -1;
1108         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
1109                 wpabuf_free(buf);
1110                 return -1;
1111         }
1112
1113         ret = wpas_wps_nfc_rx_handover_req(wpa_s, buf);
1114         wpabuf_free(buf);
1115
1116         return ret;
1117 }
1118
1119
1120 static int wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
1121                                          char *cmd)
1122 {
1123         size_t len;
1124         struct wpabuf *buf;
1125         int ret;
1126
1127         len = os_strlen(cmd);
1128         if (len & 0x01)
1129                 return -1;
1130         len /= 2;
1131
1132         buf = wpabuf_alloc(len);
1133         if (buf == NULL)
1134                 return -1;
1135         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
1136                 wpabuf_free(buf);
1137                 return -1;
1138         }
1139
1140         ret = wpas_wps_nfc_rx_handover_sel(wpa_s, buf);
1141         wpabuf_free(buf);
1142
1143         return ret;
1144 }
1145
1146
1147 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1148                                          char *cmd)
1149 {
1150         size_t len;
1151         struct wpabuf *req, *sel;
1152         int ret;
1153         char *pos, *role, *type, *pos2;
1154         char *freq;
1155         int forced_freq = 0;
1156
1157         freq = strstr(cmd, " freq=");
1158         if (freq) {
1159                 *freq = '\0';
1160                 freq += 6;
1161                 forced_freq = atoi(freq);
1162         }
1163
1164         role = cmd;
1165         pos = os_strchr(role, ' ');
1166         if (pos == NULL) {
1167                 wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1168                 return -1;
1169         }
1170         *pos++ = '\0';
1171
1172         type = pos;
1173         pos = os_strchr(type, ' ');
1174         if (pos == NULL) {
1175                 wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1176                 return -1;
1177         }
1178         *pos++ = '\0';
1179
1180         pos2 = os_strchr(pos, ' ');
1181         if (pos2 == NULL) {
1182                 wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1183                 return -1;
1184         }
1185         *pos2++ = '\0';
1186
1187         len = os_strlen(pos);
1188         if (len & 0x01) {
1189                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1190                 return -1;
1191         }
1192         len /= 2;
1193
1194         req = wpabuf_alloc(len);
1195         if (req == NULL) {
1196                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1197                 return -1;
1198         }
1199         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1200                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1201                 wpabuf_free(req);
1202                 return -1;
1203         }
1204
1205         len = os_strlen(pos2);
1206         if (len & 0x01) {
1207                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1208                 wpabuf_free(req);
1209                 return -1;
1210         }
1211         len /= 2;
1212
1213         sel = wpabuf_alloc(len);
1214         if (sel == NULL) {
1215                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1216                 wpabuf_free(req);
1217                 return -1;
1218         }
1219         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1220                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1221                 wpabuf_free(req);
1222                 wpabuf_free(sel);
1223                 return -1;
1224         }
1225
1226         wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1227                    role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1228
1229         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1230                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1231         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1232         {
1233                 ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1234                 if (ret < 0)
1235                         ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1236         } else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1237         {
1238                 ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1239         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1240         {
1241                 ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1242                                                    forced_freq);
1243         } else {
1244                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1245                            "reported: role=%s type=%s", role, type);
1246                 ret = -1;
1247         }
1248         wpabuf_free(req);
1249         wpabuf_free(sel);
1250
1251         if (ret)
1252                 wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1253
1254         return ret;
1255 }
1256
1257 #endif /* CONFIG_WPS_NFC */
1258
1259
1260 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1261                                              char *cmd)
1262 {
1263         u8 bssid[ETH_ALEN];
1264         char *pin;
1265         char *new_ssid;
1266         char *new_auth;
1267         char *new_encr;
1268         char *new_key;
1269         struct wps_new_ap_settings ap;
1270
1271         pin = os_strchr(cmd, ' ');
1272         if (pin == NULL)
1273                 return -1;
1274         *pin++ = '\0';
1275
1276         if (hwaddr_aton(cmd, bssid)) {
1277                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1278                            cmd);
1279                 return -1;
1280         }
1281
1282         new_ssid = os_strchr(pin, ' ');
1283         if (new_ssid == NULL)
1284                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1285         *new_ssid++ = '\0';
1286
1287         new_auth = os_strchr(new_ssid, ' ');
1288         if (new_auth == NULL)
1289                 return -1;
1290         *new_auth++ = '\0';
1291
1292         new_encr = os_strchr(new_auth, ' ');
1293         if (new_encr == NULL)
1294                 return -1;
1295         *new_encr++ = '\0';
1296
1297         new_key = os_strchr(new_encr, ' ');
1298         if (new_key == NULL)
1299                 return -1;
1300         *new_key++ = '\0';
1301
1302         os_memset(&ap, 0, sizeof(ap));
1303         ap.ssid_hex = new_ssid;
1304         ap.auth = new_auth;
1305         ap.encr = new_encr;
1306         ap.key_hex = new_key;
1307         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1308 }
1309
1310
1311 #ifdef CONFIG_AP
1312 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1313                                                 char *cmd, char *buf,
1314                                                 size_t buflen)
1315 {
1316         int timeout = 300;
1317         char *pos;
1318         const char *pin_txt;
1319
1320         if (!wpa_s->ap_iface)
1321                 return -1;
1322
1323         pos = os_strchr(cmd, ' ');
1324         if (pos)
1325                 *pos++ = '\0';
1326
1327         if (os_strcmp(cmd, "disable") == 0) {
1328                 wpas_wps_ap_pin_disable(wpa_s);
1329                 return os_snprintf(buf, buflen, "OK\n");
1330         }
1331
1332         if (os_strcmp(cmd, "random") == 0) {
1333                 if (pos)
1334                         timeout = atoi(pos);
1335                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1336                 if (pin_txt == NULL)
1337                         return -1;
1338                 return os_snprintf(buf, buflen, "%s", pin_txt);
1339         }
1340
1341         if (os_strcmp(cmd, "get") == 0) {
1342                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1343                 if (pin_txt == NULL)
1344                         return -1;
1345                 return os_snprintf(buf, buflen, "%s", pin_txt);
1346         }
1347
1348         if (os_strcmp(cmd, "set") == 0) {
1349                 char *pin;
1350                 if (pos == NULL)
1351                         return -1;
1352                 pin = pos;
1353                 pos = os_strchr(pos, ' ');
1354                 if (pos) {
1355                         *pos++ = '\0';
1356                         timeout = atoi(pos);
1357                 }
1358                 if (os_strlen(pin) > buflen)
1359                         return -1;
1360                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1361                         return -1;
1362                 return os_snprintf(buf, buflen, "%s", pin);
1363         }
1364
1365         return -1;
1366 }
1367 #endif /* CONFIG_AP */
1368
1369
1370 #ifdef CONFIG_WPS_ER
1371 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1372                                                 char *cmd)
1373 {
1374         char *uuid = cmd, *pin, *pos;
1375         u8 addr_buf[ETH_ALEN], *addr = NULL;
1376         pin = os_strchr(uuid, ' ');
1377         if (pin == NULL)
1378                 return -1;
1379         *pin++ = '\0';
1380         pos = os_strchr(pin, ' ');
1381         if (pos) {
1382                 *pos++ = '\0';
1383                 if (hwaddr_aton(pos, addr_buf) == 0)
1384                         addr = addr_buf;
1385         }
1386         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1387 }
1388
1389
1390 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1391                                                   char *cmd)
1392 {
1393         char *uuid = cmd, *pin;
1394         pin = os_strchr(uuid, ' ');
1395         if (pin == NULL)
1396                 return -1;
1397         *pin++ = '\0';
1398         return wpas_wps_er_learn(wpa_s, uuid, pin);
1399 }
1400
1401
1402 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1403         struct wpa_supplicant *wpa_s, char *cmd)
1404 {
1405         char *uuid = cmd, *id;
1406         id = os_strchr(uuid, ' ');
1407         if (id == NULL)
1408                 return -1;
1409         *id++ = '\0';
1410         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1411 }
1412
1413
1414 static int wpa_supplicant_ctrl_iface_wps_er_config(
1415         struct wpa_supplicant *wpa_s, char *cmd)
1416 {
1417         char *pin;
1418         char *new_ssid;
1419         char *new_auth;
1420         char *new_encr;
1421         char *new_key;
1422         struct wps_new_ap_settings ap;
1423
1424         pin = os_strchr(cmd, ' ');
1425         if (pin == NULL)
1426                 return -1;
1427         *pin++ = '\0';
1428
1429         new_ssid = os_strchr(pin, ' ');
1430         if (new_ssid == NULL)
1431                 return -1;
1432         *new_ssid++ = '\0';
1433
1434         new_auth = os_strchr(new_ssid, ' ');
1435         if (new_auth == NULL)
1436                 return -1;
1437         *new_auth++ = '\0';
1438
1439         new_encr = os_strchr(new_auth, ' ');
1440         if (new_encr == NULL)
1441                 return -1;
1442         *new_encr++ = '\0';
1443
1444         new_key = os_strchr(new_encr, ' ');
1445         if (new_key == NULL)
1446                 return -1;
1447         *new_key++ = '\0';
1448
1449         os_memset(&ap, 0, sizeof(ap));
1450         ap.ssid_hex = new_ssid;
1451         ap.auth = new_auth;
1452         ap.encr = new_encr;
1453         ap.key_hex = new_key;
1454         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1455 }
1456
1457
1458 #ifdef CONFIG_WPS_NFC
1459 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1460         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1461 {
1462         int ndef;
1463         struct wpabuf *buf;
1464         int res;
1465         char *uuid;
1466
1467         uuid = os_strchr(cmd, ' ');
1468         if (uuid == NULL)
1469                 return -1;
1470         *uuid++ = '\0';
1471
1472         if (os_strcmp(cmd, "WPS") == 0)
1473                 ndef = 0;
1474         else if (os_strcmp(cmd, "NDEF") == 0)
1475                 ndef = 1;
1476         else
1477                 return -1;
1478
1479         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1480         if (buf == NULL)
1481                 return -1;
1482
1483         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1484                                          wpabuf_len(buf));
1485         reply[res++] = '\n';
1486         reply[res] = '\0';
1487
1488         wpabuf_free(buf);
1489
1490         return res;
1491 }
1492 #endif /* CONFIG_WPS_NFC */
1493 #endif /* CONFIG_WPS_ER */
1494
1495 #endif /* CONFIG_WPS */
1496
1497
1498 #ifdef CONFIG_IBSS_RSN
1499 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1500         struct wpa_supplicant *wpa_s, char *addr)
1501 {
1502         u8 peer[ETH_ALEN];
1503
1504         if (hwaddr_aton(addr, peer)) {
1505                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1506                            "address '%s'", addr);
1507                 return -1;
1508         }
1509
1510         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1511                    MAC2STR(peer));
1512
1513         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1514 }
1515 #endif /* CONFIG_IBSS_RSN */
1516
1517
1518 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1519                                               char *rsp)
1520 {
1521 #ifdef IEEE8021X_EAPOL
1522         char *pos, *id_pos;
1523         int id;
1524         struct wpa_ssid *ssid;
1525
1526         pos = os_strchr(rsp, '-');
1527         if (pos == NULL)
1528                 return -1;
1529         *pos++ = '\0';
1530         id_pos = pos;
1531         pos = os_strchr(pos, ':');
1532         if (pos == NULL)
1533                 return -1;
1534         *pos++ = '\0';
1535         id = atoi(id_pos);
1536         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1537         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1538                               (u8 *) pos, os_strlen(pos));
1539
1540         ssid = wpa_config_get_network(wpa_s->conf, id);
1541         if (ssid == NULL) {
1542                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1543                            "to update", id);
1544                 return -1;
1545         }
1546
1547         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1548                                                          pos);
1549 #else /* IEEE8021X_EAPOL */
1550         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1551         return -1;
1552 #endif /* IEEE8021X_EAPOL */
1553 }
1554
1555
1556 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1557                                             const char *params,
1558                                             char *buf, size_t buflen)
1559 {
1560         char *pos, *end, tmp[30];
1561         int res, verbose, wps, ret;
1562
1563         if (os_strcmp(params, "-DRIVER") == 0)
1564                 return wpa_drv_status(wpa_s, buf, buflen);
1565         verbose = os_strcmp(params, "-VERBOSE") == 0;
1566         wps = os_strcmp(params, "-WPS") == 0;
1567         pos = buf;
1568         end = buf + buflen;
1569         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1570                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1571                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1572                                   MAC2STR(wpa_s->bssid));
1573                 if (ret < 0 || ret >= end - pos)
1574                         return pos - buf;
1575                 pos += ret;
1576                 if (ssid) {
1577                         u8 *_ssid = ssid->ssid;
1578                         size_t ssid_len = ssid->ssid_len;
1579                         u8 ssid_buf[MAX_SSID_LEN];
1580                         if (ssid_len == 0) {
1581                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1582                                 if (_res < 0)
1583                                         ssid_len = 0;
1584                                 else
1585                                         ssid_len = _res;
1586                                 _ssid = ssid_buf;
1587                         }
1588                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1589                                           wpa_ssid_txt(_ssid, ssid_len),
1590                                           ssid->id);
1591                         if (ret < 0 || ret >= end - pos)
1592                                 return pos - buf;
1593                         pos += ret;
1594
1595                         if (wps && ssid->passphrase &&
1596                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1597                             (ssid->mode == WPAS_MODE_AP ||
1598                              ssid->mode == WPAS_MODE_P2P_GO)) {
1599                                 ret = os_snprintf(pos, end - pos,
1600                                                   "passphrase=%s\n",
1601                                                   ssid->passphrase);
1602                                 if (ret < 0 || ret >= end - pos)
1603                                         return pos - buf;
1604                                 pos += ret;
1605                         }
1606                         if (ssid->id_str) {
1607                                 ret = os_snprintf(pos, end - pos,
1608                                                   "id_str=%s\n",
1609                                                   ssid->id_str);
1610                                 if (ret < 0 || ret >= end - pos)
1611                                         return pos - buf;
1612                                 pos += ret;
1613                         }
1614
1615                         switch (ssid->mode) {
1616                         case WPAS_MODE_INFRA:
1617                                 ret = os_snprintf(pos, end - pos,
1618                                                   "mode=station\n");
1619                                 break;
1620                         case WPAS_MODE_IBSS:
1621                                 ret = os_snprintf(pos, end - pos,
1622                                                   "mode=IBSS\n");
1623                                 break;
1624                         case WPAS_MODE_AP:
1625                                 ret = os_snprintf(pos, end - pos,
1626                                                   "mode=AP\n");
1627                                 break;
1628                         case WPAS_MODE_P2P_GO:
1629                                 ret = os_snprintf(pos, end - pos,
1630                                                   "mode=P2P GO\n");
1631                                 break;
1632                         case WPAS_MODE_P2P_GROUP_FORMATION:
1633                                 ret = os_snprintf(pos, end - pos,
1634                                                   "mode=P2P GO - group "
1635                                                   "formation\n");
1636                                 break;
1637                         default:
1638                                 ret = 0;
1639                                 break;
1640                         }
1641                         if (ret < 0 || ret >= end - pos)
1642                                 return pos - buf;
1643                         pos += ret;
1644                 }
1645
1646 #ifdef CONFIG_AP
1647                 if (wpa_s->ap_iface) {
1648                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1649                                                             end - pos,
1650                                                             verbose);
1651                 } else
1652 #endif /* CONFIG_AP */
1653                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1654         }
1655 #ifdef CONFIG_SAE
1656         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1657 #ifdef CONFIG_AP
1658             !wpa_s->ap_iface &&
1659 #endif /* CONFIG_AP */
1660             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1661                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1662                                   wpa_s->sme.sae.group);
1663                 if (ret < 0 || ret >= end - pos)
1664                         return pos - buf;
1665                 pos += ret;
1666         }
1667 #endif /* CONFIG_SAE */
1668         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1669                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1670         if (ret < 0 || ret >= end - pos)
1671                 return pos - buf;
1672         pos += ret;
1673
1674         if (wpa_s->l2 &&
1675             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1676                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1677                 if (ret < 0 || ret >= end - pos)
1678                         return pos - buf;
1679                 pos += ret;
1680         }
1681
1682 #ifdef CONFIG_P2P
1683         if (wpa_s->global->p2p) {
1684                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1685                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1686                 if (ret < 0 || ret >= end - pos)
1687                         return pos - buf;
1688                 pos += ret;
1689         }
1690 #endif /* CONFIG_P2P */
1691
1692         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1693                           MAC2STR(wpa_s->own_addr));
1694         if (ret < 0 || ret >= end - pos)
1695                 return pos - buf;
1696         pos += ret;
1697
1698 #ifdef CONFIG_HS20
1699         if (wpa_s->current_bss &&
1700             wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE) &&
1701             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1702             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1703                 ret = os_snprintf(pos, end - pos, "hs20=1\n");
1704                 if (ret < 0 || ret >= end - pos)
1705                         return pos - buf;
1706                 pos += ret;
1707         }
1708
1709         if (wpa_s->current_ssid) {
1710                 struct wpa_cred *cred;
1711                 char *type;
1712
1713                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1714                         size_t i;
1715
1716                         if (wpa_s->current_ssid->parent_cred != cred)
1717                                 continue;
1718
1719                         for (i = 0; cred->domain && i < cred->num_domain; i++) {
1720                                 ret = os_snprintf(pos, end - pos,
1721                                                   "home_sp=%s\n",
1722                                                   cred->domain[i]);
1723                                 if (ret < 0 || ret >= end - pos)
1724                                         return pos - buf;
1725                                 pos += ret;
1726                         }
1727
1728                         if (wpa_s->current_bss == NULL ||
1729                             wpa_s->current_bss->anqp == NULL)
1730                                 res = -1;
1731                         else
1732                                 res = interworking_home_sp_cred(
1733                                         wpa_s, cred,
1734                                         wpa_s->current_bss->anqp->domain_name);
1735                         if (res > 0)
1736                                 type = "home";
1737                         else if (res == 0)
1738                                 type = "roaming";
1739                         else
1740                                 type = "unknown";
1741
1742                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1743                         if (ret < 0 || ret >= end - pos)
1744                                 return pos - buf;
1745                         pos += ret;
1746
1747                         break;
1748                 }
1749         }
1750 #endif /* CONFIG_HS20 */
1751
1752         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1753             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1754                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1755                                           verbose);
1756                 if (res >= 0)
1757                         pos += res;
1758         }
1759
1760         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1761         if (res >= 0)
1762                 pos += res;
1763
1764 #ifdef CONFIG_WPS
1765         {
1766                 char uuid_str[100];
1767                 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
1768                 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
1769                 if (ret < 0 || ret >= end - pos)
1770                         return pos - buf;
1771                 pos += ret;
1772         }
1773 #endif /* CONFIG_WPS */
1774
1775 #ifdef ANDROID
1776         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
1777                      "id=%d state=%d BSSID=" MACSTR " SSID=%s",
1778                      wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
1779                      wpa_s->wpa_state,
1780                      MAC2STR(wpa_s->bssid),
1781                      wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
1782                      wpa_ssid_txt(wpa_s->current_ssid->ssid,
1783                                   wpa_s->current_ssid->ssid_len) : "");
1784         if (wpa_s->wpa_state == WPA_COMPLETED) {
1785                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1786                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
1787                              "- connection to " MACSTR
1788                              " completed %s [id=%d id_str=%s]",
1789                              MAC2STR(wpa_s->bssid), "(auth)",
1790                              ssid ? ssid->id : -1,
1791                              ssid && ssid->id_str ? ssid->id_str : "");
1792         }
1793 #endif /* ANDROID */
1794
1795         return pos - buf;
1796 }
1797
1798
1799 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1800                                            char *cmd)
1801 {
1802         char *pos;
1803         int id;
1804         struct wpa_ssid *ssid;
1805         u8 bssid[ETH_ALEN];
1806
1807         /* cmd: "<network id> <BSSID>" */
1808         pos = os_strchr(cmd, ' ');
1809         if (pos == NULL)
1810                 return -1;
1811         *pos++ = '\0';
1812         id = atoi(cmd);
1813         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1814         if (hwaddr_aton(pos, bssid)) {
1815                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1816                 return -1;
1817         }
1818
1819         ssid = wpa_config_get_network(wpa_s->conf, id);
1820         if (ssid == NULL) {
1821                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1822                            "to update", id);
1823                 return -1;
1824         }
1825
1826         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1827         ssid->bssid_set = !is_zero_ether_addr(bssid);
1828
1829         return 0;
1830 }
1831
1832
1833 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1834                                                char *cmd, char *buf,
1835                                                size_t buflen)
1836 {
1837         u8 bssid[ETH_ALEN];
1838         struct wpa_blacklist *e;
1839         char *pos, *end;
1840         int ret;
1841
1842         /* cmd: "BLACKLIST [<BSSID>]" */
1843         if (*cmd == '\0') {
1844                 pos = buf;
1845                 end = buf + buflen;
1846                 e = wpa_s->blacklist;
1847                 while (e) {
1848                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1849                                           MAC2STR(e->bssid));
1850                         if (ret < 0 || ret >= end - pos)
1851                                 return pos - buf;
1852                         pos += ret;
1853                         e = e->next;
1854                 }
1855                 return pos - buf;
1856         }
1857
1858         cmd++;
1859         if (os_strncmp(cmd, "clear", 5) == 0) {
1860                 wpa_blacklist_clear(wpa_s);
1861                 os_memcpy(buf, "OK\n", 3);
1862                 return 3;
1863         }
1864
1865         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1866         if (hwaddr_aton(cmd, bssid)) {
1867                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1868                 return -1;
1869         }
1870
1871         /*
1872          * Add the BSSID twice, so its count will be 2, causing it to be
1873          * skipped when processing scan results.
1874          */
1875         ret = wpa_blacklist_add(wpa_s, bssid);
1876         if (ret != 0)
1877                 return -1;
1878         ret = wpa_blacklist_add(wpa_s, bssid);
1879         if (ret != 0)
1880                 return -1;
1881         os_memcpy(buf, "OK\n", 3);
1882         return 3;
1883 }
1884
1885
1886 static const char * debug_level_str(int level)
1887 {
1888         switch (level) {
1889         case MSG_EXCESSIVE:
1890                 return "EXCESSIVE";
1891         case MSG_MSGDUMP:
1892                 return "MSGDUMP";
1893         case MSG_DEBUG:
1894                 return "DEBUG";
1895         case MSG_INFO:
1896                 return "INFO";
1897         case MSG_WARNING:
1898                 return "WARNING";
1899         case MSG_ERROR:
1900                 return "ERROR";
1901         default:
1902                 return "?";
1903         }
1904 }
1905
1906
1907 static int str_to_debug_level(const char *s)
1908 {
1909         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1910                 return MSG_EXCESSIVE;
1911         if (os_strcasecmp(s, "MSGDUMP") == 0)
1912                 return MSG_MSGDUMP;
1913         if (os_strcasecmp(s, "DEBUG") == 0)
1914                 return MSG_DEBUG;
1915         if (os_strcasecmp(s, "INFO") == 0)
1916                 return MSG_INFO;
1917         if (os_strcasecmp(s, "WARNING") == 0)
1918                 return MSG_WARNING;
1919         if (os_strcasecmp(s, "ERROR") == 0)
1920                 return MSG_ERROR;
1921         return -1;
1922 }
1923
1924
1925 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1926                                                char *cmd, char *buf,
1927                                                size_t buflen)
1928 {
1929         char *pos, *end, *stamp;
1930         int ret;
1931
1932         if (cmd == NULL) {
1933                 return -1;
1934         }
1935
1936         /* cmd: "LOG_LEVEL [<level>]" */
1937         if (*cmd == '\0') {
1938                 pos = buf;
1939                 end = buf + buflen;
1940                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1941                                   "Timestamp: %d\n",
1942                                   debug_level_str(wpa_debug_level),
1943                                   wpa_debug_timestamp);
1944                 if (ret < 0 || ret >= end - pos)
1945                         ret = 0;
1946
1947                 return ret;
1948         }
1949
1950         while (*cmd == ' ')
1951                 cmd++;
1952
1953         stamp = os_strchr(cmd, ' ');
1954         if (stamp) {
1955                 *stamp++ = '\0';
1956                 while (*stamp == ' ') {
1957                         stamp++;
1958                 }
1959         }
1960
1961         if (cmd && os_strlen(cmd)) {
1962                 int level = str_to_debug_level(cmd);
1963                 if (level < 0)
1964                         return -1;
1965                 wpa_debug_level = level;
1966         }
1967
1968         if (stamp && os_strlen(stamp))
1969                 wpa_debug_timestamp = atoi(stamp);
1970
1971         os_memcpy(buf, "OK\n", 3);
1972         return 3;
1973 }
1974
1975
1976 static int wpa_supplicant_ctrl_iface_list_networks(
1977         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1978 {
1979         char *pos, *end;
1980         struct wpa_ssid *ssid;
1981         int ret;
1982
1983         pos = buf;
1984         end = buf + buflen;
1985         ret = os_snprintf(pos, end - pos,
1986                           "network id / ssid / bssid / flags\n");
1987         if (ret < 0 || ret >= end - pos)
1988                 return pos - buf;
1989         pos += ret;
1990
1991         ssid = wpa_s->conf->ssid;
1992         while (ssid) {
1993                 ret = os_snprintf(pos, end - pos, "%d\t%s",
1994                                   ssid->id,
1995                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1996                 if (ret < 0 || ret >= end - pos)
1997                         return pos - buf;
1998                 pos += ret;
1999                 if (ssid->bssid_set) {
2000                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2001                                           MAC2STR(ssid->bssid));
2002                 } else {
2003                         ret = os_snprintf(pos, end - pos, "\tany");
2004                 }
2005                 if (ret < 0 || ret >= end - pos)
2006                         return pos - buf;
2007                 pos += ret;
2008                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2009                                   ssid == wpa_s->current_ssid ?
2010                                   "[CURRENT]" : "",
2011                                   ssid->disabled ? "[DISABLED]" : "",
2012                                   ssid->disabled_until.sec ?
2013                                   "[TEMP-DISABLED]" : "",
2014                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2015                                   "");
2016                 if (ret < 0 || ret >= end - pos)
2017                         return pos - buf;
2018                 pos += ret;
2019                 ret = os_snprintf(pos, end - pos, "\n");
2020                 if (ret < 0 || ret >= end - pos)
2021                         return pos - buf;
2022                 pos += ret;
2023
2024                 ssid = ssid->next;
2025         }
2026
2027         return pos - buf;
2028 }
2029
2030
2031 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2032 {
2033         int ret;
2034         ret = os_snprintf(pos, end - pos, "-");
2035         if (ret < 0 || ret >= end - pos)
2036                 return pos;
2037         pos += ret;
2038         ret = wpa_write_ciphers(pos, end, cipher, "+");
2039         if (ret < 0)
2040                 return pos;
2041         pos += ret;
2042         return pos;
2043 }
2044
2045
2046 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2047                                     const u8 *ie, size_t ie_len)
2048 {
2049         struct wpa_ie_data data;
2050         int first, ret;
2051
2052         ret = os_snprintf(pos, end - pos, "[%s-", proto);
2053         if (ret < 0 || ret >= end - pos)
2054                 return pos;
2055         pos += ret;
2056
2057         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2058                 ret = os_snprintf(pos, end - pos, "?]");
2059                 if (ret < 0 || ret >= end - pos)
2060                         return pos;
2061                 pos += ret;
2062                 return pos;
2063         }
2064
2065         first = 1;
2066         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2067                 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
2068                 if (ret < 0 || ret >= end - pos)
2069                         return pos;
2070                 pos += ret;
2071                 first = 0;
2072         }
2073         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2074                 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
2075                 if (ret < 0 || ret >= end - pos)
2076                         return pos;
2077                 pos += ret;
2078                 first = 0;
2079         }
2080         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2081                 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
2082                 if (ret < 0 || ret >= end - pos)
2083                         return pos;
2084                 pos += ret;
2085                 first = 0;
2086         }
2087 #ifdef CONFIG_IEEE80211R
2088         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2089                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2090                                   first ? "" : "+");
2091                 if (ret < 0 || ret >= end - pos)
2092                         return pos;
2093                 pos += ret;
2094                 first = 0;
2095         }
2096         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2097                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2098                                   first ? "" : "+");
2099                 if (ret < 0 || ret >= end - pos)
2100                         return pos;
2101                 pos += ret;
2102                 first = 0;
2103         }
2104 #endif /* CONFIG_IEEE80211R */
2105 #ifdef CONFIG_IEEE80211W
2106         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2107                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2108                                   first ? "" : "+");
2109                 if (ret < 0 || ret >= end - pos)
2110                         return pos;
2111                 pos += ret;
2112                 first = 0;
2113         }
2114         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2115                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2116                                   first ? "" : "+");
2117                 if (ret < 0 || ret >= end - pos)
2118                         return pos;
2119                 pos += ret;
2120                 first = 0;
2121         }
2122 #endif /* CONFIG_IEEE80211W */
2123
2124         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2125
2126         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2127                 ret = os_snprintf(pos, end - pos, "-preauth");
2128                 if (ret < 0 || ret >= end - pos)
2129                         return pos;
2130                 pos += ret;
2131         }
2132
2133         ret = os_snprintf(pos, end - pos, "]");
2134         if (ret < 0 || ret >= end - pos)
2135                 return pos;
2136         pos += ret;
2137
2138         return pos;
2139 }
2140
2141
2142 #ifdef CONFIG_WPS
2143 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2144                                             char *pos, char *end,
2145                                             struct wpabuf *wps_ie)
2146 {
2147         int ret;
2148         const char *txt;
2149
2150         if (wps_ie == NULL)
2151                 return pos;
2152         if (wps_is_selected_pbc_registrar(wps_ie))
2153                 txt = "[WPS-PBC]";
2154 #ifdef CONFIG_WPS2
2155         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2156                 txt = "[WPS-AUTH]";
2157 #endif /* CONFIG_WPS2 */
2158         else if (wps_is_selected_pin_registrar(wps_ie))
2159                 txt = "[WPS-PIN]";
2160         else
2161                 txt = "[WPS]";
2162
2163         ret = os_snprintf(pos, end - pos, "%s", txt);
2164         if (ret >= 0 && ret < end - pos)
2165                 pos += ret;
2166         wpabuf_free(wps_ie);
2167         return pos;
2168 }
2169 #endif /* CONFIG_WPS */
2170
2171
2172 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2173                                         char *pos, char *end,
2174                                         const struct wpa_bss *bss)
2175 {
2176 #ifdef CONFIG_WPS
2177         struct wpabuf *wps_ie;
2178         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2179         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2180 #else /* CONFIG_WPS */
2181         return pos;
2182 #endif /* CONFIG_WPS */
2183 }
2184
2185
2186 /* Format one result on one text line into a buffer. */
2187 static int wpa_supplicant_ctrl_iface_scan_result(
2188         struct wpa_supplicant *wpa_s,
2189         const struct wpa_bss *bss, char *buf, size_t buflen)
2190 {
2191         char *pos, *end;
2192         int ret;
2193         const u8 *ie, *ie2, *p2p;
2194
2195         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2196         if (!p2p)
2197                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2198         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2199             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2200             0)
2201                 return 0; /* Do not show P2P listen discovery results here */
2202
2203         pos = buf;
2204         end = buf + buflen;
2205
2206         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2207                           MAC2STR(bss->bssid), bss->freq, bss->level);
2208         if (ret < 0 || ret >= end - pos)
2209                 return -1;
2210         pos += ret;
2211         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2212         if (ie)
2213                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2214         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2215         if (ie2)
2216                 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
2217         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2218         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2219                 ret = os_snprintf(pos, end - pos, "[WEP]");
2220                 if (ret < 0 || ret >= end - pos)
2221                         return -1;
2222                 pos += ret;
2223         }
2224         if (bss->caps & IEEE80211_CAP_IBSS) {
2225                 ret = os_snprintf(pos, end - pos, "[IBSS]");
2226                 if (ret < 0 || ret >= end - pos)
2227                         return -1;
2228                 pos += ret;
2229         }
2230         if (bss->caps & IEEE80211_CAP_ESS) {
2231                 ret = os_snprintf(pos, end - pos, "[ESS]");
2232                 if (ret < 0 || ret >= end - pos)
2233                         return -1;
2234                 pos += ret;
2235         }
2236         if (p2p) {
2237                 ret = os_snprintf(pos, end - pos, "[P2P]");
2238                 if (ret < 0 || ret >= end - pos)
2239                         return -1;
2240                 pos += ret;
2241         }
2242 #ifdef CONFIG_HS20
2243         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2244                 ret = os_snprintf(pos, end - pos, "[HS20]");
2245                 if (ret < 0 || ret >= end - pos)
2246                         return -1;
2247                 pos += ret;
2248         }
2249 #endif /* CONFIG_HS20 */
2250
2251         ret = os_snprintf(pos, end - pos, "\t%s",
2252                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2253         if (ret < 0 || ret >= end - pos)
2254                 return -1;
2255         pos += ret;
2256
2257         ret = os_snprintf(pos, end - pos, "\n");
2258         if (ret < 0 || ret >= end - pos)
2259                 return -1;
2260         pos += ret;
2261
2262         return pos - buf;
2263 }
2264
2265
2266 static int wpa_supplicant_ctrl_iface_scan_results(
2267         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2268 {
2269         char *pos, *end;
2270         struct wpa_bss *bss;
2271         int ret;
2272
2273         pos = buf;
2274         end = buf + buflen;
2275         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2276                           "flags / ssid\n");
2277         if (ret < 0 || ret >= end - pos)
2278                 return pos - buf;
2279         pos += ret;
2280
2281         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2282                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2283                                                             end - pos);
2284                 if (ret < 0 || ret >= end - pos)
2285                         return pos - buf;
2286                 pos += ret;
2287         }
2288
2289         return pos - buf;
2290 }
2291
2292
2293 static int wpa_supplicant_ctrl_iface_select_network(
2294         struct wpa_supplicant *wpa_s, char *cmd)
2295 {
2296         int id;
2297         struct wpa_ssid *ssid;
2298
2299         /* cmd: "<network id>" or "any" */
2300         if (os_strcmp(cmd, "any") == 0) {
2301                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2302                 ssid = NULL;
2303         } else {
2304                 id = atoi(cmd);
2305                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2306
2307                 ssid = wpa_config_get_network(wpa_s->conf, id);
2308                 if (ssid == NULL) {
2309                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2310                                    "network id=%d", id);
2311                         return -1;
2312                 }
2313                 if (ssid->disabled == 2) {
2314                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2315                                    "SELECT_NETWORK with persistent P2P group");
2316                         return -1;
2317                 }
2318         }
2319
2320         wpa_supplicant_select_network(wpa_s, ssid);
2321
2322         return 0;
2323 }
2324
2325
2326 static int wpa_supplicant_ctrl_iface_enable_network(
2327         struct wpa_supplicant *wpa_s, char *cmd)
2328 {
2329         int id;
2330         struct wpa_ssid *ssid;
2331
2332         /* cmd: "<network id>" or "all" */
2333         if (os_strcmp(cmd, "all") == 0) {
2334                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2335                 ssid = NULL;
2336         } else {
2337                 id = atoi(cmd);
2338                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2339
2340                 ssid = wpa_config_get_network(wpa_s->conf, id);
2341                 if (ssid == NULL) {
2342                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2343                                    "network id=%d", id);
2344                         return -1;
2345                 }
2346                 if (ssid->disabled == 2) {
2347                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2348                                    "ENABLE_NETWORK with persistent P2P group");
2349                         return -1;
2350                 }
2351
2352                 if (os_strstr(cmd, " no-connect")) {
2353                         ssid->disabled = 0;
2354                         return 0;
2355                 }
2356         }
2357         wpa_supplicant_enable_network(wpa_s, ssid);
2358
2359         return 0;
2360 }
2361
2362
2363 static int wpa_supplicant_ctrl_iface_disable_network(
2364         struct wpa_supplicant *wpa_s, char *cmd)
2365 {
2366         int id;
2367         struct wpa_ssid *ssid;
2368
2369         /* cmd: "<network id>" or "all" */
2370         if (os_strcmp(cmd, "all") == 0) {
2371                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2372                 ssid = NULL;
2373         } else {
2374                 id = atoi(cmd);
2375                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2376
2377                 ssid = wpa_config_get_network(wpa_s->conf, id);
2378                 if (ssid == NULL) {
2379                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2380                                    "network id=%d", id);
2381                         return -1;
2382                 }
2383                 if (ssid->disabled == 2) {
2384                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2385                                    "DISABLE_NETWORK with persistent P2P "
2386                                    "group");
2387                         return -1;
2388                 }
2389         }
2390         wpa_supplicant_disable_network(wpa_s, ssid);
2391
2392         return 0;
2393 }
2394
2395
2396 static int wpa_supplicant_ctrl_iface_add_network(
2397         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2398 {
2399         struct wpa_ssid *ssid;
2400         int ret;
2401
2402         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2403
2404         ssid = wpa_config_add_network(wpa_s->conf);
2405         if (ssid == NULL)
2406                 return -1;
2407
2408         wpas_notify_network_added(wpa_s, ssid);
2409
2410         ssid->disabled = 1;
2411         wpa_config_set_network_defaults(ssid);
2412
2413         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2414         if (ret < 0 || (size_t) ret >= buflen)
2415                 return -1;
2416         return ret;
2417 }
2418
2419
2420 static int wpa_supplicant_ctrl_iface_remove_network(
2421         struct wpa_supplicant *wpa_s, char *cmd)
2422 {
2423         int id;
2424         struct wpa_ssid *ssid;
2425         int was_disabled;
2426
2427         /* cmd: "<network id>" or "all" */
2428         if (os_strcmp(cmd, "all") == 0) {
2429                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2430                 if (wpa_s->sched_scanning)
2431                         wpa_supplicant_cancel_sched_scan(wpa_s);
2432
2433                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2434                 if (wpa_s->current_ssid) {
2435 #ifdef CONFIG_SME
2436                         wpa_s->sme.prev_bssid_set = 0;
2437 #endif /* CONFIG_SME */
2438                         wpa_sm_set_config(wpa_s->wpa, NULL);
2439                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2440                         wpa_supplicant_deauthenticate(
2441                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2442                 }
2443                 ssid = wpa_s->conf->ssid;
2444                 while (ssid) {
2445                         struct wpa_ssid *remove_ssid = ssid;
2446                         id = ssid->id;
2447                         ssid = ssid->next;
2448                         wpas_notify_network_removed(wpa_s, remove_ssid);
2449                         wpa_config_remove_network(wpa_s->conf, id);
2450                 }
2451                 return 0;
2452         }
2453
2454         id = atoi(cmd);
2455         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2456
2457         ssid = wpa_config_get_network(wpa_s->conf, id);
2458         if (ssid)
2459                 wpas_notify_network_removed(wpa_s, ssid);
2460         if (ssid == NULL) {
2461                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2462                            "id=%d", id);
2463                 return -1;
2464         }
2465
2466         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2467 #ifdef CONFIG_SME
2468                 wpa_s->sme.prev_bssid_set = 0;
2469 #endif /* CONFIG_SME */
2470                 /*
2471                  * Invalidate the EAP session cache if the current or
2472                  * previously used network is removed.
2473                  */
2474                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2475         }
2476
2477         if (ssid == wpa_s->current_ssid) {
2478                 wpa_sm_set_config(wpa_s->wpa, NULL);
2479                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2480
2481                 wpa_supplicant_deauthenticate(wpa_s,
2482                                               WLAN_REASON_DEAUTH_LEAVING);
2483         }
2484
2485         was_disabled = ssid->disabled;
2486
2487         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2488                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2489                            "network id=%d", id);
2490                 return -1;
2491         }
2492
2493         if (!was_disabled && wpa_s->sched_scanning) {
2494                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2495                            "network from filters");
2496                 wpa_supplicant_cancel_sched_scan(wpa_s);
2497                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2498         }
2499
2500         return 0;
2501 }
2502
2503
2504 static int wpa_supplicant_ctrl_iface_set_network(
2505         struct wpa_supplicant *wpa_s, char *cmd)
2506 {
2507         int id;
2508         struct wpa_ssid *ssid;
2509         char *name, *value;
2510
2511         /* cmd: "<network id> <variable name> <value>" */
2512         name = os_strchr(cmd, ' ');
2513         if (name == NULL)
2514                 return -1;
2515         *name++ = '\0';
2516
2517         value = os_strchr(name, ' ');
2518         if (value == NULL)
2519                 return -1;
2520         *value++ = '\0';
2521
2522         id = atoi(cmd);
2523         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2524                    id, name);
2525         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2526                               (u8 *) value, os_strlen(value));
2527
2528         ssid = wpa_config_get_network(wpa_s->conf, id);
2529         if (ssid == NULL) {
2530                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2531                            "id=%d", id);
2532                 return -1;
2533         }
2534
2535         if (wpa_config_set(ssid, name, value, 0) < 0) {
2536                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2537                            "variable '%s'", name);
2538                 return -1;
2539         }
2540
2541         if (os_strcmp(name, "bssid") != 0 &&
2542             os_strcmp(name, "priority") != 0)
2543                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2544
2545         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2546                 /*
2547                  * Invalidate the EAP session cache if anything in the current
2548                  * or previously used configuration changes.
2549                  */
2550                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2551         }
2552
2553         if ((os_strcmp(name, "psk") == 0 &&
2554              value[0] == '"' && ssid->ssid_len) ||
2555             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2556                 wpa_config_update_psk(ssid);
2557         else if (os_strcmp(name, "priority") == 0)
2558                 wpa_config_update_prio_list(wpa_s->conf);
2559
2560         return 0;
2561 }
2562
2563
2564 static int wpa_supplicant_ctrl_iface_get_network(
2565         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2566 {
2567         int id;
2568         size_t res;
2569         struct wpa_ssid *ssid;
2570         char *name, *value;
2571
2572         /* cmd: "<network id> <variable name>" */
2573         name = os_strchr(cmd, ' ');
2574         if (name == NULL || buflen == 0)
2575                 return -1;
2576         *name++ = '\0';
2577
2578         id = atoi(cmd);
2579         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2580                    id, name);
2581
2582         ssid = wpa_config_get_network(wpa_s->conf, id);
2583         if (ssid == NULL) {
2584                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2585                            "id=%d", id);
2586                 return -1;
2587         }
2588
2589         value = wpa_config_get_no_key(ssid, name);
2590         if (value == NULL) {
2591                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2592                            "variable '%s'", name);
2593                 return -1;
2594         }
2595
2596         res = os_strlcpy(buf, value, buflen);
2597         if (res >= buflen) {
2598                 os_free(value);
2599                 return -1;
2600         }
2601
2602         os_free(value);
2603
2604         return res;
2605 }
2606
2607
2608 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2609                                                 char *buf, size_t buflen)
2610 {
2611         char *pos, *end;
2612         struct wpa_cred *cred;
2613         int ret;
2614
2615         pos = buf;
2616         end = buf + buflen;
2617         ret = os_snprintf(pos, end - pos,
2618                           "cred id / realm / username / domain / imsi\n");
2619         if (ret < 0 || ret >= end - pos)
2620                 return pos - buf;
2621         pos += ret;
2622
2623         cred = wpa_s->conf->cred;
2624         while (cred) {
2625                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2626                                   cred->id, cred->realm ? cred->realm : "",
2627                                   cred->username ? cred->username : "",
2628                                   cred->domain ? cred->domain[0] : "",
2629                                   cred->imsi ? cred->imsi : "");
2630                 if (ret < 0 || ret >= end - pos)
2631                         return pos - buf;
2632                 pos += ret;
2633
2634                 cred = cred->next;
2635         }
2636
2637         return pos - buf;
2638 }
2639
2640
2641 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2642                                               char *buf, size_t buflen)
2643 {
2644         struct wpa_cred *cred;
2645         int ret;
2646
2647         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2648
2649         cred = wpa_config_add_cred(wpa_s->conf);
2650         if (cred == NULL)
2651                 return -1;
2652
2653         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2654         if (ret < 0 || (size_t) ret >= buflen)
2655                 return -1;
2656         return ret;
2657 }
2658
2659
2660 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2661                                  struct wpa_cred *cred)
2662 {
2663         struct wpa_ssid *ssid;
2664         char str[20];
2665
2666         if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2667                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2668                 return -1;
2669         }
2670
2671         /* Remove any network entry created based on the removed credential */
2672         ssid = wpa_s->conf->ssid;
2673         while (ssid) {
2674                 if (ssid->parent_cred == cred) {
2675                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2676                                    "used the removed credential", ssid->id);
2677                         os_snprintf(str, sizeof(str), "%d", ssid->id);
2678                         ssid = ssid->next;
2679                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2680                 } else
2681                         ssid = ssid->next;
2682         }
2683
2684         return 0;
2685 }
2686
2687
2688 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2689                                                  char *cmd)
2690 {
2691         int id;
2692         struct wpa_cred *cred, *prev;
2693
2694         /* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2695         if (os_strcmp(cmd, "all") == 0) {
2696                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2697                 cred = wpa_s->conf->cred;
2698                 while (cred) {
2699                         prev = cred;
2700                         cred = cred->next;
2701                         wpas_ctrl_remove_cred(wpa_s, prev);
2702                 }
2703                 return 0;
2704         }
2705
2706         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2707                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2708                            cmd + 8);
2709                 cred = wpa_s->conf->cred;
2710                 while (cred) {
2711                         prev = cred;
2712                         cred = cred->next;
2713                         if (prev->domain) {
2714                                 size_t i;
2715                                 for (i = 0; i < prev->num_domain; i++) {
2716                                         if (os_strcmp(prev->domain[i], cmd + 8)
2717                                             != 0)
2718                                                 continue;
2719                                         wpas_ctrl_remove_cred(wpa_s, prev);
2720                                         break;
2721                                 }
2722                         }
2723                 }
2724                 return 0;
2725         }
2726
2727         id = atoi(cmd);
2728         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2729
2730         cred = wpa_config_get_cred(wpa_s->conf, id);
2731         return wpas_ctrl_remove_cred(wpa_s, cred);
2732 }
2733
2734
2735 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2736                                               char *cmd)
2737 {
2738         int id;
2739         struct wpa_cred *cred;
2740         char *name, *value;
2741
2742         /* cmd: "<cred id> <variable name> <value>" */
2743         name = os_strchr(cmd, ' ');
2744         if (name == NULL)
2745                 return -1;
2746         *name++ = '\0';
2747
2748         value = os_strchr(name, ' ');
2749         if (value == NULL)
2750                 return -1;
2751         *value++ = '\0';
2752
2753         id = atoi(cmd);
2754         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2755                    id, name);
2756         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2757                               (u8 *) value, os_strlen(value));
2758
2759         cred = wpa_config_get_cred(wpa_s->conf, id);
2760         if (cred == NULL) {
2761                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2762                            id);
2763                 return -1;
2764         }
2765
2766         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2767                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2768                            "variable '%s'", name);
2769                 return -1;
2770         }
2771
2772         return 0;
2773 }
2774
2775
2776 #ifndef CONFIG_NO_CONFIG_WRITE
2777 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2778 {
2779         int ret;
2780
2781         if (!wpa_s->conf->update_config) {
2782                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2783                            "to update configuration (update_config=0)");
2784                 return -1;
2785         }
2786
2787         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2788         if (ret) {
2789                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2790                            "update configuration");
2791         } else {
2792                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2793                            " updated");
2794         }
2795
2796         return ret;
2797 }
2798 #endif /* CONFIG_NO_CONFIG_WRITE */
2799
2800
2801 struct cipher_info {
2802         unsigned int capa;
2803         const char *name;
2804         int group_only;
2805 };
2806
2807 static const struct cipher_info ciphers[] = {
2808         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
2809         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
2810         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
2811         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
2812         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
2813         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
2814         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
2815         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
2816 };
2817
2818
2819 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2820                                               struct wpa_driver_capa *capa,
2821                                               char *buf, size_t buflen)
2822 {
2823         int ret, first = 1;
2824         char *pos, *end;
2825         size_t len;
2826         unsigned int i;
2827
2828         pos = buf;
2829         end = pos + buflen;
2830
2831         if (res < 0) {
2832                 if (strict)
2833                         return 0;
2834                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2835                 if (len >= buflen)
2836                         return -1;
2837                 return len;
2838         }
2839
2840         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
2841                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
2842                         ret = os_snprintf(pos, end - pos, "%s%s",
2843                                           first ? "" : " ", ciphers[i].name);
2844                         if (ret < 0 || ret >= end - pos)
2845                                 return pos - buf;
2846                         pos += ret;
2847                         first = 0;
2848                 }
2849         }
2850
2851         return pos - buf;
2852 }
2853
2854
2855 static int ctrl_iface_get_capability_group(int res, char *strict,
2856                                            struct wpa_driver_capa *capa,
2857                                            char *buf, size_t buflen)
2858 {
2859         int ret, first = 1;
2860         char *pos, *end;
2861         size_t len;
2862         unsigned int i;
2863
2864         pos = buf;
2865         end = pos + buflen;
2866
2867         if (res < 0) {
2868                 if (strict)
2869                         return 0;
2870                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2871                 if (len >= buflen)
2872                         return -1;
2873                 return len;
2874         }
2875
2876         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
2877                 if (capa->enc & ciphers[i].capa) {
2878                         ret = os_snprintf(pos, end - pos, "%s%s",
2879                                           first ? "" : " ", ciphers[i].name);
2880                         if (ret < 0 || ret >= end - pos)
2881                                 return pos - buf;
2882                         pos += ret;
2883                         first = 0;
2884                 }
2885         }
2886
2887         return pos - buf;
2888 }
2889
2890
2891 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2892                                               struct wpa_driver_capa *capa,
2893                                               char *buf, size_t buflen)
2894 {
2895         int ret;
2896         char *pos, *end;
2897         size_t len;
2898
2899         pos = buf;
2900         end = pos + buflen;
2901
2902         if (res < 0) {
2903                 if (strict)
2904                         return 0;
2905                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2906                                  "NONE", buflen);
2907                 if (len >= buflen)
2908                         return -1;
2909                 return len;
2910         }
2911
2912         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2913         if (ret < 0 || ret >= end - pos)
2914                 return pos - buf;
2915         pos += ret;
2916
2917         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2918                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2919                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2920                 if (ret < 0 || ret >= end - pos)
2921                         return pos - buf;
2922                 pos += ret;
2923         }
2924
2925         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2926                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2927                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2928                 if (ret < 0 || ret >= end - pos)
2929                         return pos - buf;
2930                 pos += ret;
2931         }
2932
2933         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2934                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2935                 if (ret < 0 || ret >= end - pos)
2936                         return pos - buf;
2937                 pos += ret;
2938         }
2939
2940         return pos - buf;
2941 }
2942
2943
2944 static int ctrl_iface_get_capability_proto(int res, char *strict,
2945                                            struct wpa_driver_capa *capa,
2946                                            char *buf, size_t buflen)
2947 {
2948         int ret, first = 1;
2949         char *pos, *end;
2950         size_t len;
2951
2952         pos = buf;
2953         end = pos + buflen;
2954
2955         if (res < 0) {
2956                 if (strict)
2957                         return 0;
2958                 len = os_strlcpy(buf, "RSN WPA", buflen);
2959                 if (len >= buflen)
2960                         return -1;
2961                 return len;
2962         }
2963
2964         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2965                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2966                 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2967                 if (ret < 0 || ret >= end - pos)
2968                         return pos - buf;
2969                 pos += ret;
2970                 first = 0;
2971         }
2972
2973         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2974                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2975                 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2976                 if (ret < 0 || ret >= end - pos)
2977                         return pos - buf;
2978                 pos += ret;
2979                 first = 0;
2980         }
2981
2982         return pos - buf;
2983 }
2984
2985
2986 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2987                                               struct wpa_driver_capa *capa,
2988                                               char *buf, size_t buflen)
2989 {
2990         int ret, first = 1;
2991         char *pos, *end;
2992         size_t len;
2993
2994         pos = buf;
2995         end = pos + buflen;
2996
2997         if (res < 0) {
2998                 if (strict)
2999                         return 0;
3000                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3001                 if (len >= buflen)
3002                         return -1;
3003                 return len;
3004         }
3005
3006         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3007                 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
3008                 if (ret < 0 || ret >= end - pos)
3009                         return pos - buf;
3010                 pos += ret;
3011                 first = 0;
3012         }
3013
3014         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3015                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3016                                   first ? "" : " ");
3017                 if (ret < 0 || ret >= end - pos)
3018                         return pos - buf;
3019                 pos += ret;
3020                 first = 0;
3021         }
3022
3023         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3024                 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
3025                 if (ret < 0 || ret >= end - pos)
3026                         return pos - buf;
3027                 pos += ret;
3028                 first = 0;
3029         }
3030
3031         return pos - buf;
3032 }
3033
3034
3035 static int ctrl_iface_get_capability_modes(int res, char *strict,
3036                                            struct wpa_driver_capa *capa,
3037                                            char *buf, size_t buflen)
3038 {
3039         int ret, first = 1;
3040         char *pos, *end;
3041         size_t len;
3042
3043         pos = buf;
3044         end = pos + buflen;
3045
3046         if (res < 0) {
3047                 if (strict)
3048                         return 0;
3049                 len = os_strlcpy(buf, "IBSS AP", buflen);
3050                 if (len >= buflen)
3051                         return -1;
3052                 return len;
3053         }
3054
3055         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3056                 ret = os_snprintf(pos, end - pos, "%sIBSS", first ? "" : " ");
3057                 if (ret < 0 || ret >= end - pos)
3058                         return pos - buf;
3059                 pos += ret;
3060                 first = 0;
3061         }
3062
3063         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3064                 ret = os_snprintf(pos, end - pos, "%sAP", first ? "" : " ");
3065                 if (ret < 0 || ret >= end - pos)
3066                         return pos - buf;
3067                 pos += ret;
3068                 first = 0;
3069         }
3070
3071         return pos - buf;
3072 }
3073
3074
3075 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3076                                               char *buf, size_t buflen)
3077 {
3078         struct hostapd_channel_data *chnl;
3079         int ret, i, j;
3080         char *pos, *end, *hmode;
3081
3082         pos = buf;
3083         end = pos + buflen;
3084
3085         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3086                 switch (wpa_s->hw.modes[j].mode) {
3087                 case HOSTAPD_MODE_IEEE80211B:
3088                         hmode = "B";
3089                         break;
3090                 case HOSTAPD_MODE_IEEE80211G:
3091                         hmode = "G";
3092                         break;
3093                 case HOSTAPD_MODE_IEEE80211A:
3094                         hmode = "A";
3095                         break;
3096                 case HOSTAPD_MODE_IEEE80211AD:
3097                         hmode = "AD";
3098                         break;
3099                 default:
3100                         continue;
3101                 }
3102                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3103                 if (ret < 0 || ret >= end - pos)
3104                         return pos - buf;
3105                 pos += ret;
3106                 chnl = wpa_s->hw.modes[j].channels;
3107                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3108                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3109                                 continue;
3110                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3111                         if (ret < 0 || ret >= end - pos)
3112                                 return pos - buf;
3113                         pos += ret;
3114                 }
3115                 ret = os_snprintf(pos, end - pos, "\n");
3116                 if (ret < 0 || ret >= end - pos)
3117                         return pos - buf;
3118                 pos += ret;
3119         }
3120
3121         return pos - buf;
3122 }
3123
3124
3125 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3126                                           char *buf, size_t buflen)
3127 {
3128         struct hostapd_channel_data *chnl;
3129         int ret, i, j;
3130         char *pos, *end, *hmode;
3131
3132         pos = buf;
3133         end = pos + buflen;
3134
3135         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3136                 switch (wpa_s->hw.modes[j].mode) {
3137                 case HOSTAPD_MODE_IEEE80211B:
3138                         hmode = "B";
3139                         break;
3140                 case HOSTAPD_MODE_IEEE80211G:
3141                         hmode = "G";
3142                         break;
3143                 case HOSTAPD_MODE_IEEE80211A:
3144                         hmode = "A";
3145                         break;
3146                 case HOSTAPD_MODE_IEEE80211AD:
3147                         hmode = "AD";
3148                         break;
3149                 default:
3150                         continue;
3151                 }
3152                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3153                                   hmode);
3154                 if (ret < 0 || ret >= end - pos)
3155                         return pos - buf;
3156                 pos += ret;
3157                 chnl = wpa_s->hw.modes[j].channels;
3158                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3159                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3160                                 continue;
3161                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s\n",
3162                                           chnl[i].chan, chnl[i].freq,
3163                                           chnl[i].flag & HOSTAPD_CHAN_NO_IBSS ?
3164                                           " (NO_IBSS)" : "");
3165                         if (ret < 0 || ret >= end - pos)
3166                                 return pos - buf;
3167                         pos += ret;
3168                 }
3169                 ret = os_snprintf(pos, end - pos, "\n");
3170                 if (ret < 0 || ret >= end - pos)
3171                         return pos - buf;
3172                 pos += ret;
3173         }
3174
3175         return pos - buf;
3176 }
3177
3178
3179 static int wpa_supplicant_ctrl_iface_get_capability(
3180         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3181         size_t buflen)
3182 {
3183         struct wpa_driver_capa capa;
3184         int res;
3185         char *strict;
3186         char field[30];
3187         size_t len;
3188
3189         /* Determine whether or not strict checking was requested */
3190         len = os_strlcpy(field, _field, sizeof(field));
3191         if (len >= sizeof(field))
3192                 return -1;
3193         strict = os_strchr(field, ' ');
3194         if (strict != NULL) {
3195                 *strict++ = '\0';
3196                 if (os_strcmp(strict, "strict") != 0)
3197                         return -1;
3198         }
3199
3200         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3201                 field, strict ? strict : "");
3202
3203         if (os_strcmp(field, "eap") == 0) {
3204                 return eap_get_names(buf, buflen);
3205         }
3206
3207         res = wpa_drv_get_capa(wpa_s, &capa);
3208
3209         if (os_strcmp(field, "pairwise") == 0)
3210                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3211                                                           buf, buflen);
3212
3213         if (os_strcmp(field, "group") == 0)
3214                 return ctrl_iface_get_capability_group(res, strict, &capa,
3215                                                        buf, buflen);
3216
3217         if (os_strcmp(field, "key_mgmt") == 0)
3218                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3219                                                           buf, buflen);
3220
3221         if (os_strcmp(field, "proto") == 0)
3222                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3223                                                        buf, buflen);
3224
3225         if (os_strcmp(field, "auth_alg") == 0)
3226                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
3227                                                           buf, buflen);
3228
3229         if (os_strcmp(field, "modes") == 0)
3230                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3231                                                        buf, buflen);
3232
3233         if (os_strcmp(field, "channels") == 0)
3234                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3235
3236         if (os_strcmp(field, "freq") == 0)
3237                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3238
3239         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3240                    field);
3241
3242         return -1;
3243 }
3244
3245
3246 #ifdef CONFIG_INTERWORKING
3247 static char * anqp_add_hex(char *pos, char *end, const char *title,
3248                            struct wpabuf *data)
3249 {
3250         char *start = pos;
3251         size_t i;
3252         int ret;
3253         const u8 *d;
3254
3255         if (data == NULL)
3256                 return start;
3257
3258         ret = os_snprintf(pos, end - pos, "%s=", title);
3259         if (ret < 0 || ret >= end - pos)
3260                 return start;
3261         pos += ret;
3262
3263         d = wpabuf_head_u8(data);
3264         for (i = 0; i < wpabuf_len(data); i++) {
3265                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3266                 if (ret < 0 || ret >= end - pos)
3267                         return start;
3268                 pos += ret;
3269         }
3270
3271         ret = os_snprintf(pos, end - pos, "\n");
3272         if (ret < 0 || ret >= end - pos)
3273                 return start;
3274         pos += ret;
3275
3276         return pos;
3277 }
3278 #endif /* CONFIG_INTERWORKING */
3279
3280
3281 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3282                           unsigned long mask, char *buf, size_t buflen)
3283 {
3284         size_t i;
3285         int ret;
3286         char *pos, *end;
3287         const u8 *ie, *ie2;
3288
3289         pos = buf;
3290         end = buf + buflen;
3291
3292         if (mask & WPA_BSS_MASK_ID) {
3293                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3294                 if (ret < 0 || ret >= end - pos)
3295                         return 0;
3296                 pos += ret;
3297         }
3298
3299         if (mask & WPA_BSS_MASK_BSSID) {
3300                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3301                                   MAC2STR(bss->bssid));
3302                 if (ret < 0 || ret >= end - pos)
3303                         return 0;
3304                 pos += ret;
3305         }
3306
3307         if (mask & WPA_BSS_MASK_FREQ) {
3308                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3309                 if (ret < 0 || ret >= end - pos)
3310                         return 0;
3311                 pos += ret;
3312         }
3313
3314         if (mask & WPA_BSS_MASK_BEACON_INT) {
3315                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3316                                   bss->beacon_int);
3317                 if (ret < 0 || ret >= end - pos)
3318                         return 0;
3319                 pos += ret;
3320         }
3321
3322         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3323                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3324                                   bss->caps);
3325                 if (ret < 0 || ret >= end - pos)
3326                         return 0;
3327                 pos += ret;
3328         }
3329
3330         if (mask & WPA_BSS_MASK_QUAL) {
3331                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3332                 if (ret < 0 || ret >= end - pos)
3333                         return 0;
3334                 pos += ret;
3335         }
3336
3337         if (mask & WPA_BSS_MASK_NOISE) {
3338                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3339                 if (ret < 0 || ret >= end - pos)
3340                         return 0;
3341                 pos += ret;
3342         }
3343
3344         if (mask & WPA_BSS_MASK_LEVEL) {
3345                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3346                 if (ret < 0 || ret >= end - pos)
3347                         return 0;
3348                 pos += ret;
3349         }
3350
3351         if (mask & WPA_BSS_MASK_TSF) {
3352                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3353                                   (unsigned long long) bss->tsf);
3354                 if (ret < 0 || ret >= end - pos)
3355                         return 0;
3356                 pos += ret;
3357         }
3358
3359         if (mask & WPA_BSS_MASK_AGE) {
3360                 struct os_reltime now;
3361
3362                 os_get_reltime(&now);
3363                 ret = os_snprintf(pos, end - pos, "age=%d\n",
3364                                   (int) (now.sec - bss->last_update.sec));
3365                 if (ret < 0 || ret >= end - pos)
3366                         return 0;
3367                 pos += ret;
3368         }
3369
3370         if (mask & WPA_BSS_MASK_IE) {
3371                 ret = os_snprintf(pos, end - pos, "ie=");
3372                 if (ret < 0 || ret >= end - pos)
3373                         return 0;
3374                 pos += ret;
3375
3376                 ie = (const u8 *) (bss + 1);
3377                 for (i = 0; i < bss->ie_len; i++) {
3378                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3379                         if (ret < 0 || ret >= end - pos)
3380                                 return 0;
3381                         pos += ret;
3382                 }
3383
3384                 ret = os_snprintf(pos, end - pos, "\n");
3385                 if (ret < 0 || ret >= end - pos)
3386                         return 0;
3387                 pos += ret;
3388         }
3389
3390         if (mask & WPA_BSS_MASK_FLAGS) {
3391                 ret = os_snprintf(pos, end - pos, "flags=");
3392                 if (ret < 0 || ret >= end - pos)
3393                         return 0;
3394                 pos += ret;
3395
3396                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3397                 if (ie)
3398                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3399                                                     2 + ie[1]);
3400                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3401                 if (ie2)
3402                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3403                                                     2 + ie2[1]);
3404                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3405                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3406                         ret = os_snprintf(pos, end - pos, "[WEP]");
3407                         if (ret < 0 || ret >= end - pos)
3408                                 return 0;
3409                         pos += ret;
3410                 }
3411                 if (bss->caps & IEEE80211_CAP_IBSS) {
3412                         ret = os_snprintf(pos, end - pos, "[IBSS]");
3413                         if (ret < 0 || ret >= end - pos)
3414                                 return 0;
3415                         pos += ret;
3416                 }
3417                 if (bss->caps & IEEE80211_CAP_ESS) {
3418                         ret = os_snprintf(pos, end - pos, "[ESS]");
3419                         if (ret < 0 || ret >= end - pos)
3420                                 return 0;
3421                         pos += ret;
3422                 }
3423                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
3424                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
3425                         ret = os_snprintf(pos, end - pos, "[P2P]");
3426                         if (ret < 0 || ret >= end - pos)
3427                                 return 0;
3428                         pos += ret;
3429                 }
3430 #ifdef CONFIG_HS20
3431                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3432                         ret = os_snprintf(pos, end - pos, "[HS20]");
3433                         if (ret < 0 || ret >= end - pos)
3434                                 return 0;
3435                         pos += ret;
3436                 }
3437 #endif /* CONFIG_HS20 */
3438
3439                 ret = os_snprintf(pos, end - pos, "\n");
3440                 if (ret < 0 || ret >= end - pos)
3441                         return 0;
3442                 pos += ret;
3443         }
3444
3445         if (mask & WPA_BSS_MASK_SSID) {
3446                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3447                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3448                 if (ret < 0 || ret >= end - pos)
3449                         return 0;
3450                 pos += ret;
3451         }
3452
3453 #ifdef CONFIG_WPS
3454         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3455                 ie = (const u8 *) (bss + 1);
3456                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3457                 if (ret < 0 || ret >= end - pos)
3458                         return 0;
3459                 pos += ret;
3460         }
3461 #endif /* CONFIG_WPS */
3462
3463 #ifdef CONFIG_P2P
3464         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3465                 ie = (const u8 *) (bss + 1);
3466                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3467                 if (ret < 0 || ret >= end - pos)
3468                         return 0;
3469                 pos += ret;
3470         }
3471 #endif /* CONFIG_P2P */
3472
3473 #ifdef CONFIG_WIFI_DISPLAY
3474         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3475                 struct wpabuf *wfd;
3476                 ie = (const u8 *) (bss + 1);
3477                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3478                                                   WFD_IE_VENDOR_TYPE);
3479                 if (wfd) {
3480                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3481                         if (ret < 0 || ret >= end - pos)
3482                                 return 0;
3483                         pos += ret;
3484
3485                         pos += wpa_snprintf_hex(pos, end - pos,
3486                                                 wpabuf_head(wfd),
3487                                                 wpabuf_len(wfd));
3488                         wpabuf_free(wfd);
3489
3490                         ret = os_snprintf(pos, end - pos, "\n");
3491                         if (ret < 0 || ret >= end - pos)
3492                                 return 0;
3493                         pos += ret;
3494                 }
3495         }
3496 #endif /* CONFIG_WIFI_DISPLAY */
3497
3498 #ifdef CONFIG_INTERWORKING
3499         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3500                 struct wpa_bss_anqp *anqp = bss->anqp;
3501                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3502                                    anqp->venue_name);
3503                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3504                                    anqp->network_auth_type);
3505                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3506                                    anqp->roaming_consortium);
3507                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3508                                    anqp->ip_addr_type_availability);
3509                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3510                                    anqp->nai_realm);
3511                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3512                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3513                                    anqp->domain_name);
3514 #ifdef CONFIG_HS20
3515                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3516                                    anqp->hs20_operator_friendly_name);
3517                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3518                                    anqp->hs20_wan_metrics);
3519                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3520                                    anqp->hs20_connection_capability);
3521 #endif /* CONFIG_HS20 */
3522         }
3523 #endif /* CONFIG_INTERWORKING */
3524
3525         if (mask & WPA_BSS_MASK_DELIM) {
3526                 ret = os_snprintf(pos, end - pos, "====\n");
3527                 if (ret < 0 || ret >= end - pos)
3528                         return 0;
3529                 pos += ret;
3530         }
3531
3532         return pos - buf;
3533 }
3534
3535
3536 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3537                                          const char *cmd, char *buf,
3538                                          size_t buflen)
3539 {
3540         u8 bssid[ETH_ALEN];
3541         size_t i;
3542         struct wpa_bss *bss;
3543         struct wpa_bss *bsslast = NULL;
3544         struct dl_list *next;
3545         int ret = 0;
3546         int len;
3547         char *ctmp;
3548         unsigned long mask = WPA_BSS_MASK_ALL;
3549
3550         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3551                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3552                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3553                                             list_id);
3554                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3555                                                list_id);
3556                 } else { /* N1-N2 */
3557                         unsigned int id1, id2;
3558
3559                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3560                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3561                                            "format");
3562                                 return 0;
3563                         }
3564
3565                         if (*(cmd + 6) == '-')
3566                                 id1 = 0;
3567                         else
3568                                 id1 = atoi(cmd + 6);
3569                         ctmp++;
3570                         if (*ctmp >= '0' && *ctmp <= '9')
3571                                 id2 = atoi(ctmp);
3572                         else
3573                                 id2 = (unsigned int) -1;
3574                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3575                         if (id2 == (unsigned int) -1)
3576                                 bsslast = dl_list_last(&wpa_s->bss_id,
3577                                                        struct wpa_bss,
3578                                                        list_id);
3579                         else {
3580                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3581                                 if (bsslast == NULL && bss && id2 > id1) {
3582                                         struct wpa_bss *tmp = bss;
3583                                         for (;;) {
3584                                                 next = tmp->list_id.next;
3585                                                 if (next == &wpa_s->bss_id)
3586                                                         break;
3587                                                 tmp = dl_list_entry(
3588                                                         next, struct wpa_bss,
3589                                                         list_id);
3590                                                 if (tmp->id > id2)
3591                                                         break;
3592                                                 bsslast = tmp;
3593                                         }
3594                                 }
3595                         }
3596                 }
3597         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3598                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3599         else if (os_strncmp(cmd, "LAST", 4) == 0)
3600                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3601         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3602                 i = atoi(cmd + 3);
3603                 bss = wpa_bss_get_id(wpa_s, i);
3604         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3605                 i = atoi(cmd + 5);
3606                 bss = wpa_bss_get_id(wpa_s, i);
3607                 if (bss) {
3608                         next = bss->list_id.next;
3609                         if (next == &wpa_s->bss_id)
3610                                 bss = NULL;
3611                         else
3612                                 bss = dl_list_entry(next, struct wpa_bss,
3613                                                     list_id);
3614                 }
3615 #ifdef CONFIG_P2P
3616         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3617                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3618                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3619                 else
3620                         bss = NULL;
3621 #endif /* CONFIG_P2P */
3622         } else if (hwaddr_aton(cmd, bssid) == 0)
3623                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3624         else {
3625                 struct wpa_bss *tmp;
3626                 i = atoi(cmd);
3627                 bss = NULL;
3628                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3629                 {
3630                         if (i-- == 0) {
3631                                 bss = tmp;
3632                                 break;
3633                         }
3634                 }
3635         }
3636
3637         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3638                 mask = strtoul(ctmp + 5, NULL, 0x10);
3639                 if (mask == 0)
3640                         mask = WPA_BSS_MASK_ALL;
3641         }
3642
3643         if (bss == NULL)
3644                 return 0;
3645
3646         if (bsslast == NULL)
3647                 bsslast = bss;
3648         do {
3649                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3650                 ret += len;
3651                 buf += len;
3652                 buflen -= len;
3653                 if (bss == bsslast) {
3654                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
3655                             (bss == dl_list_last(&wpa_s->bss_id,
3656                                                  struct wpa_bss, list_id)))
3657                                 os_snprintf(buf - 5, 5, "####\n");
3658                         break;
3659                 }
3660                 next = bss->list_id.next;
3661                 if (next == &wpa_s->bss_id)
3662                         break;
3663                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3664         } while (bss && len);
3665
3666         return ret;
3667 }
3668
3669
3670 static int wpa_supplicant_ctrl_iface_ap_scan(
3671         struct wpa_supplicant *wpa_s, char *cmd)
3672 {
3673         int ap_scan = atoi(cmd);
3674         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3675 }
3676
3677
3678 static int wpa_supplicant_ctrl_iface_scan_interval(
3679         struct wpa_supplicant *wpa_s, char *cmd)
3680 {
3681         int scan_int = atoi(cmd);
3682         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3683 }
3684
3685
3686 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3687         struct wpa_supplicant *wpa_s, char *cmd)
3688 {
3689         int expire_age = atoi(cmd);
3690         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3691 }
3692
3693
3694 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3695         struct wpa_supplicant *wpa_s, char *cmd)
3696 {
3697         int expire_count = atoi(cmd);
3698         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3699 }
3700
3701
3702 static int wpa_supplicant_ctrl_iface_bss_flush(
3703         struct wpa_supplicant *wpa_s, char *cmd)
3704 {
3705         int flush_age = atoi(cmd);
3706
3707         if (flush_age == 0)
3708                 wpa_bss_flush(wpa_s);
3709         else
3710                 wpa_bss_flush_by_age(wpa_s, flush_age);
3711         return 0;
3712 }
3713
3714
3715 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3716 {
3717         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3718         /* MLME-DELETEKEYS.request */
3719         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3720         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3721         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3722         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3723 #ifdef CONFIG_IEEE80211W
3724         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3725         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3726 #endif /* CONFIG_IEEE80211W */
3727
3728         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3729                         0);
3730         /* MLME-SETPROTECTION.request(None) */
3731         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3732                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3733                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3734         wpa_sm_drop_sa(wpa_s->wpa);
3735 }
3736
3737
3738 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3739                                           char *addr)
3740 {
3741 #ifdef CONFIG_NO_SCAN_PROCESSING
3742         return -1;
3743 #else /* CONFIG_NO_SCAN_PROCESSING */
3744         u8 bssid[ETH_ALEN];
3745         struct wpa_bss *bss;
3746         struct wpa_ssid *ssid = wpa_s->current_ssid;
3747
3748         if (hwaddr_aton(addr, bssid)) {
3749                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3750                            "address '%s'", addr);
3751                 return -1;
3752         }
3753
3754         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3755
3756         if (!ssid) {
3757                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3758                            "configuration known for the target AP");
3759                 return -1;
3760         }
3761
3762         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
3763         if (!bss) {
3764                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3765                            "from BSS table");
3766                 return -1;
3767         }
3768
3769         /*
3770          * TODO: Find best network configuration block from configuration to
3771          * allow roaming to other networks
3772          */
3773
3774         wpa_s->reassociate = 1;
3775         wpa_supplicant_connect(wpa_s, bss, ssid);
3776
3777         return 0;
3778 #endif /* CONFIG_NO_SCAN_PROCESSING */
3779 }
3780
3781
3782 #ifdef CONFIG_P2P
3783 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3784 {
3785         unsigned int timeout = atoi(cmd);
3786         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3787         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3788         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
3789         char *pos;
3790         unsigned int search_delay;
3791
3792         if (os_strstr(cmd, "type=social"))
3793                 type = P2P_FIND_ONLY_SOCIAL;
3794         else if (os_strstr(cmd, "type=progressive"))
3795                 type = P2P_FIND_PROGRESSIVE;
3796
3797         pos = os_strstr(cmd, "dev_id=");
3798         if (pos) {
3799                 pos += 7;
3800                 if (hwaddr_aton(pos, dev_id))
3801                         return -1;
3802                 _dev_id = dev_id;
3803         }
3804
3805         pos = os_strstr(cmd, "dev_type=");
3806         if (pos) {
3807                 pos += 9;
3808                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
3809                         return -1;
3810                 _dev_type = dev_type;
3811         }
3812
3813         pos = os_strstr(cmd, "delay=");
3814         if (pos) {
3815                 pos += 6;
3816                 search_delay = atoi(pos);
3817         } else
3818                 search_delay = wpas_p2p_search_delay(wpa_s);
3819
3820         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
3821                              _dev_id, search_delay);
3822 }
3823
3824
3825 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3826                             char *buf, size_t buflen)
3827 {
3828         u8 addr[ETH_ALEN];
3829         char *pos, *pos2;
3830         char *pin = NULL;
3831         enum p2p_wps_method wps_method;
3832         int new_pin;
3833         int ret;
3834         int persistent_group, persistent_id = -1;
3835         int join;
3836         int auth;
3837         int automatic;
3838         int go_intent = -1;
3839         int freq = 0;
3840         int pd;
3841         int ht40, vht;
3842
3843         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3844          * [persistent|persistent=<network id>]
3845          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3846          * [ht40] [vht] */
3847
3848         if (hwaddr_aton(cmd, addr))
3849                 return -1;
3850
3851         pos = cmd + 17;
3852         if (*pos != ' ')
3853                 return -1;
3854         pos++;
3855
3856         persistent_group = os_strstr(pos, " persistent") != NULL;
3857         pos2 = os_strstr(pos, " persistent=");
3858         if (pos2) {
3859                 struct wpa_ssid *ssid;
3860                 persistent_id = atoi(pos2 + 12);
3861                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3862                 if (ssid == NULL || ssid->disabled != 2 ||
3863                     ssid->mode != WPAS_MODE_P2P_GO) {
3864                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3865                                    "SSID id=%d for persistent P2P group (GO)",
3866                                    persistent_id);
3867                         return -1;
3868                 }
3869         }
3870         join = os_strstr(pos, " join") != NULL;
3871         auth = os_strstr(pos, " auth") != NULL;
3872         automatic = os_strstr(pos, " auto") != NULL;
3873         pd = os_strstr(pos, " provdisc") != NULL;
3874         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
3875         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
3876                 vht;
3877
3878         pos2 = os_strstr(pos, " go_intent=");
3879         if (pos2) {
3880                 pos2 += 11;
3881                 go_intent = atoi(pos2);
3882                 if (go_intent < 0 || go_intent > 15)
3883                         return -1;
3884         }
3885
3886         pos2 = os_strstr(pos, " freq=");
3887         if (pos2) {
3888                 pos2 += 6;
3889                 freq = atoi(pos2);
3890                 if (freq <= 0)
3891                         return -1;
3892         }
3893
3894         if (os_strncmp(pos, "pin", 3) == 0) {
3895                 /* Request random PIN (to be displayed) and enable the PIN */
3896                 wps_method = WPS_PIN_DISPLAY;
3897         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3898                 wps_method = WPS_PBC;
3899         } else {
3900                 pin = pos;
3901                 pos = os_strchr(pin, ' ');
3902                 wps_method = WPS_PIN_KEYPAD;
3903                 if (pos) {
3904                         *pos++ = '\0';
3905                         if (os_strncmp(pos, "display", 7) == 0)
3906                                 wps_method = WPS_PIN_DISPLAY;
3907                 }
3908                 if (!wps_pin_str_valid(pin)) {
3909                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3910                         return 17;
3911                 }
3912         }
3913
3914         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3915                                    persistent_group, automatic, join,
3916                                    auth, go_intent, freq, persistent_id, pd,
3917                                    ht40, vht);
3918         if (new_pin == -2) {
3919                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3920                 return 25;
3921         }
3922         if (new_pin == -3) {
3923                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3924                 return 25;
3925         }
3926         if (new_pin < 0)
3927                 return -1;
3928         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3929                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3930                 if (ret < 0 || (size_t) ret >= buflen)
3931                         return -1;
3932                 return ret;
3933         }
3934
3935         os_memcpy(buf, "OK\n", 3);
3936         return 3;
3937 }
3938
3939
3940 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3941 {
3942         unsigned int timeout = atoi(cmd);
3943         return wpas_p2p_listen(wpa_s, timeout);
3944 }
3945
3946
3947 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3948 {
3949         u8 addr[ETH_ALEN];
3950         char *pos;
3951         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3952
3953         /* <addr> <config method> [join|auto] */
3954
3955         if (hwaddr_aton(cmd, addr))
3956                 return -1;
3957
3958         pos = cmd + 17;
3959         if (*pos != ' ')
3960                 return -1;
3961         pos++;
3962
3963         if (os_strstr(pos, " join") != NULL)
3964                 use = WPAS_P2P_PD_FOR_JOIN;
3965         else if (os_strstr(pos, " auto") != NULL)
3966                 use = WPAS_P2P_PD_AUTO;
3967
3968         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3969 }
3970
3971
3972 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3973                               size_t buflen)
3974 {
3975         struct wpa_ssid *ssid = wpa_s->current_ssid;
3976
3977         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3978             ssid->passphrase == NULL)
3979                 return -1;
3980
3981         os_strlcpy(buf, ssid->passphrase, buflen);
3982         return os_strlen(buf);
3983 }
3984
3985
3986 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3987                                   char *buf, size_t buflen)
3988 {
3989         u64 ref;
3990         int res;
3991         u8 dst_buf[ETH_ALEN], *dst;
3992         struct wpabuf *tlvs;
3993         char *pos;
3994         size_t len;
3995
3996         if (hwaddr_aton(cmd, dst_buf))
3997                 return -1;
3998         dst = dst_buf;
3999         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
4000             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
4001                 dst = NULL;
4002         pos = cmd + 17;
4003         if (*pos != ' ')
4004                 return -1;
4005         pos++;
4006
4007         if (os_strncmp(pos, "upnp ", 5) == 0) {
4008                 u8 version;
4009                 pos += 5;
4010                 if (hexstr2bin(pos, &version, 1) < 0)
4011                         return -1;
4012                 pos += 2;
4013                 if (*pos != ' ')
4014                         return -1;
4015                 pos++;
4016                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
4017 #ifdef CONFIG_WIFI_DISPLAY
4018         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
4019                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
4020 #endif /* CONFIG_WIFI_DISPLAY */
4021         } else {
4022                 len = os_strlen(pos);
4023                 if (len & 1)
4024                         return -1;
4025                 len /= 2;
4026                 tlvs = wpabuf_alloc(len);
4027                 if (tlvs == NULL)
4028                         return -1;
4029                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
4030                         wpabuf_free(tlvs);
4031                         return -1;
4032                 }
4033
4034                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
4035                 wpabuf_free(tlvs);
4036         }
4037         if (ref == 0)
4038                 return -1;
4039         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
4040         if (res < 0 || (unsigned) res >= buflen)
4041                 return -1;
4042         return res;
4043 }
4044
4045
4046 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
4047                                          char *cmd)
4048 {
4049         long long unsigned val;
4050         u64 req;
4051         if (sscanf(cmd, "%llx", &val) != 1)
4052                 return -1;
4053         req = val;
4054         return wpas_p2p_sd_cancel_request(wpa_s, req);
4055 }
4056
4057
4058 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
4059 {
4060         int freq;
4061         u8 dst[ETH_ALEN];
4062         u8 dialog_token;
4063         struct wpabuf *resp_tlvs;
4064         char *pos, *pos2;
4065         size_t len;
4066
4067         pos = os_strchr(cmd, ' ');
4068         if (pos == NULL)
4069                 return -1;
4070         *pos++ = '\0';
4071         freq = atoi(cmd);
4072         if (freq == 0)
4073                 return -1;
4074
4075         if (hwaddr_aton(pos, dst))
4076                 return -1;
4077         pos += 17;
4078         if (*pos != ' ')
4079                 return -1;
4080         pos++;
4081
4082         pos2 = os_strchr(pos, ' ');
4083         if (pos2 == NULL)
4084                 return -1;
4085         *pos2++ = '\0';
4086         dialog_token = atoi(pos);
4087
4088         len = os_strlen(pos2);
4089         if (len & 1)
4090                 return -1;
4091         len /= 2;
4092         resp_tlvs = wpabuf_alloc(len);
4093         if (resp_tlvs == NULL)
4094                 return -1;
4095         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
4096                 wpabuf_free(resp_tlvs);
4097                 return -1;
4098         }
4099
4100         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
4101         wpabuf_free(resp_tlvs);
4102         return 0;
4103 }
4104
4105
4106 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
4107                                        char *cmd)
4108 {
4109         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
4110                 return -1;
4111         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
4112         return 0;
4113 }
4114
4115
4116 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
4117                                         char *cmd)
4118 {
4119         char *pos;
4120         size_t len;
4121         struct wpabuf *query, *resp;
4122
4123         pos = os_strchr(cmd, ' ');
4124         if (pos == NULL)
4125                 return -1;
4126         *pos++ = '\0';
4127
4128         len = os_strlen(cmd);
4129         if (len & 1)
4130                 return -1;
4131         len /= 2;
4132         query = wpabuf_alloc(len);
4133         if (query == NULL)
4134                 return -1;
4135         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4136                 wpabuf_free(query);
4137                 return -1;
4138         }
4139
4140         len = os_strlen(pos);
4141         if (len & 1) {
4142                 wpabuf_free(query);
4143                 return -1;
4144         }
4145         len /= 2;
4146         resp = wpabuf_alloc(len);
4147         if (resp == NULL) {
4148                 wpabuf_free(query);
4149                 return -1;
4150         }
4151         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
4152                 wpabuf_free(query);
4153                 wpabuf_free(resp);
4154                 return -1;
4155         }
4156
4157         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
4158                 wpabuf_free(query);
4159                 wpabuf_free(resp);
4160                 return -1;
4161         }
4162         return 0;
4163 }
4164
4165
4166 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4167 {
4168         char *pos;
4169         u8 version;
4170
4171         pos = os_strchr(cmd, ' ');
4172         if (pos == NULL)
4173                 return -1;
4174         *pos++ = '\0';
4175
4176         if (hexstr2bin(cmd, &version, 1) < 0)
4177                 return -1;
4178
4179         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
4180 }
4181
4182
4183 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
4184 {
4185         char *pos;
4186
4187         pos = os_strchr(cmd, ' ');
4188         if (pos == NULL)
4189                 return -1;
4190         *pos++ = '\0';
4191
4192         if (os_strcmp(cmd, "bonjour") == 0)
4193                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
4194         if (os_strcmp(cmd, "upnp") == 0)
4195                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
4196         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4197         return -1;
4198 }
4199
4200
4201 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
4202                                         char *cmd)
4203 {
4204         size_t len;
4205         struct wpabuf *query;
4206         int ret;
4207
4208         len = os_strlen(cmd);
4209         if (len & 1)
4210                 return -1;
4211         len /= 2;
4212         query = wpabuf_alloc(len);
4213         if (query == NULL)
4214                 return -1;
4215         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4216                 wpabuf_free(query);
4217                 return -1;
4218         }
4219
4220         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
4221         wpabuf_free(query);
4222         return ret;
4223 }
4224
4225
4226 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4227 {
4228         char *pos;
4229         u8 version;
4230
4231         pos = os_strchr(cmd, ' ');
4232         if (pos == NULL)
4233                 return -1;
4234         *pos++ = '\0';
4235
4236         if (hexstr2bin(cmd, &version, 1) < 0)
4237                 return -1;
4238
4239         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4240 }
4241
4242
4243 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4244 {
4245         char *pos;
4246
4247         pos = os_strchr(cmd, ' ');
4248         if (pos == NULL)
4249                 return -1;
4250         *pos++ = '\0';
4251
4252         if (os_strcmp(cmd, "bonjour") == 0)
4253                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4254         if (os_strcmp(cmd, "upnp") == 0)
4255                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
4256         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4257         return -1;
4258 }
4259
4260
4261 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4262 {
4263         u8 addr[ETH_ALEN];
4264
4265         /* <addr> */
4266
4267         if (hwaddr_aton(cmd, addr))
4268                 return -1;
4269
4270         return wpas_p2p_reject(wpa_s, addr);
4271 }
4272
4273
4274 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
4275 {
4276         char *pos;
4277         int id;
4278         struct wpa_ssid *ssid;
4279         u8 *_peer = NULL, peer[ETH_ALEN];
4280         int freq = 0, pref_freq = 0;
4281         int ht40, vht;
4282
4283         id = atoi(cmd);
4284         pos = os_strstr(cmd, " peer=");
4285         if (pos) {
4286                 pos += 6;
4287                 if (hwaddr_aton(pos, peer))
4288                         return -1;
4289                 _peer = peer;
4290         }
4291         ssid = wpa_config_get_network(wpa_s->conf, id);
4292         if (ssid == NULL || ssid->disabled != 2) {
4293                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4294                            "for persistent P2P group",
4295                            id);
4296                 return -1;
4297         }
4298
4299         pos = os_strstr(cmd, " freq=");
4300         if (pos) {
4301                 pos += 6;
4302                 freq = atoi(pos);
4303                 if (freq <= 0)
4304                         return -1;
4305         }
4306
4307         pos = os_strstr(cmd, " pref=");
4308         if (pos) {
4309                 pos += 6;
4310                 pref_freq = atoi(pos);
4311                 if (pref_freq <= 0)
4312                         return -1;
4313         }
4314
4315         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4316         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4317                 vht;
4318
4319         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
4320                                pref_freq);
4321 }
4322
4323
4324 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4325 {
4326         char *pos;
4327         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4328
4329         pos = os_strstr(cmd, " peer=");
4330         if (!pos)
4331                 return -1;
4332
4333         *pos = '\0';
4334         pos += 6;
4335         if (hwaddr_aton(pos, peer)) {
4336                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4337                 return -1;
4338         }
4339
4340         pos = os_strstr(pos, " go_dev_addr=");
4341         if (pos) {
4342                 pos += 13;
4343                 if (hwaddr_aton(pos, go_dev_addr)) {
4344                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4345                                    pos);
4346                         return -1;
4347                 }
4348                 go_dev = go_dev_addr;
4349         }
4350
4351         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4352 }
4353
4354
4355 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4356 {
4357         if (os_strncmp(cmd, "persistent=", 11) == 0)
4358                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4359         if (os_strncmp(cmd, "group=", 6) == 0)
4360                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4361
4362         return -1;
4363 }
4364
4365
4366 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4367                                          char *cmd, int freq, int ht40,
4368                                          int vht)
4369 {
4370         int id;
4371         struct wpa_ssid *ssid;
4372
4373         id = atoi(cmd);
4374         ssid = wpa_config_get_network(wpa_s->conf, id);
4375         if (ssid == NULL || ssid->disabled != 2) {
4376                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4377                            "for persistent P2P group",
4378                            id);
4379                 return -1;
4380         }
4381
4382         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40, vht,
4383                                              NULL, 0);
4384 }
4385
4386
4387 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4388 {
4389         int freq = 0, ht40, vht;
4390         char *pos;
4391
4392         pos = os_strstr(cmd, "freq=");
4393         if (pos)
4394                 freq = atoi(pos + 5);
4395
4396         vht = (os_strstr(cmd, "vht") != NULL) || wpa_s->conf->p2p_go_vht;
4397         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4398                 vht;
4399
4400         if (os_strncmp(cmd, "persistent=", 11) == 0)
4401                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4402                                                      ht40, vht);
4403         if (os_strcmp(cmd, "persistent") == 0 ||
4404             os_strncmp(cmd, "persistent ", 11) == 0)
4405                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40, vht);
4406         if (os_strncmp(cmd, "freq=", 5) == 0)
4407                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4408         if (ht40)
4409                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4410
4411         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4412                    cmd);
4413         return -1;
4414 }
4415
4416
4417 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4418                          char *buf, size_t buflen)
4419 {
4420         u8 addr[ETH_ALEN], *addr_ptr;
4421         int next, res;
4422         const struct p2p_peer_info *info;
4423         char *pos, *end;
4424         char devtype[WPS_DEV_TYPE_BUFSIZE];
4425         struct wpa_ssid *ssid;
4426         size_t i;
4427
4428         if (!wpa_s->global->p2p)
4429                 return -1;
4430
4431         if (os_strcmp(cmd, "FIRST") == 0) {
4432                 addr_ptr = NULL;
4433                 next = 0;
4434         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4435                 if (hwaddr_aton(cmd + 5, addr) < 0)
4436                         return -1;
4437                 addr_ptr = addr;
4438                 next = 1;
4439         } else {
4440                 if (hwaddr_aton(cmd, addr) < 0)
4441                         return -1;
4442                 addr_ptr = addr;
4443                 next = 0;
4444         }
4445
4446         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4447         if (info == NULL)
4448                 return -1;
4449
4450         pos = buf;
4451         end = buf + buflen;
4452
4453         res = os_snprintf(pos, end - pos, MACSTR "\n"
4454                           "pri_dev_type=%s\n"
4455                           "device_name=%s\n"
4456                           "manufacturer=%s\n"
4457                           "model_name=%s\n"
4458                           "model_number=%s\n"
4459                           "serial_number=%s\n"
4460                           "config_methods=0x%x\n"
4461                           "dev_capab=0x%x\n"
4462                           "group_capab=0x%x\n"
4463                           "level=%d\n",
4464                           MAC2STR(info->p2p_device_addr),
4465                           wps_dev_type_bin2str(info->pri_dev_type,
4466                                                devtype, sizeof(devtype)),
4467                           info->device_name,
4468                           info->manufacturer,
4469                           info->model_name,
4470                           info->model_number,
4471                           info->serial_number,
4472                           info->config_methods,
4473                           info->dev_capab,
4474                           info->group_capab,
4475                           info->level);
4476         if (res < 0 || res >= end - pos)
4477                 return pos - buf;
4478         pos += res;
4479
4480         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4481         {
4482                 const u8 *t;
4483                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4484                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4485                                   wps_dev_type_bin2str(t, devtype,
4486                                                        sizeof(devtype)));
4487                 if (res < 0 || res >= end - pos)
4488                         return pos - buf;
4489                 pos += res;
4490         }
4491
4492         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4493         if (ssid) {
4494                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4495                 if (res < 0 || res >= end - pos)
4496                         return pos - buf;
4497                 pos += res;
4498         }
4499
4500         res = p2p_get_peer_info_txt(info, pos, end - pos);
4501         if (res < 0)
4502                 return pos - buf;
4503         pos += res;
4504
4505         return pos - buf;
4506 }
4507
4508
4509 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4510                                   const char *param)
4511 {
4512         unsigned int i;
4513
4514         if (wpa_s->global->p2p == NULL)
4515                 return -1;
4516
4517         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
4518                 return -1;
4519
4520         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
4521                 struct wpa_freq_range *freq;
4522                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
4523                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4524                            freq->min, freq->max);
4525         }
4526
4527         wpas_p2p_update_channel_list(wpa_s);
4528         return 0;
4529 }
4530
4531
4532 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4533 {
4534         char *param;
4535
4536         if (wpa_s->global->p2p == NULL)
4537                 return -1;
4538
4539         param = os_strchr(cmd, ' ');
4540         if (param == NULL)
4541                 return -1;
4542         *param++ = '\0';
4543
4544         if (os_strcmp(cmd, "discoverability") == 0) {
4545                 p2p_set_client_discoverability(wpa_s->global->p2p,
4546                                                atoi(param));
4547                 return 0;
4548         }
4549
4550         if (os_strcmp(cmd, "managed") == 0) {
4551                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4552                 return 0;
4553         }
4554
4555         if (os_strcmp(cmd, "listen_channel") == 0) {
4556                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4557                                               atoi(param));
4558         }
4559
4560         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4561                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4562                                             os_strlen(param));
4563         }
4564
4565         if (os_strcmp(cmd, "noa") == 0) {
4566                 char *pos;
4567                 int count, start, duration;
4568                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4569                 count = atoi(param);
4570                 pos = os_strchr(param, ',');
4571                 if (pos == NULL)
4572                         return -1;
4573                 pos++;
4574                 start = atoi(pos);
4575                 pos = os_strchr(pos, ',');
4576                 if (pos == NULL)
4577                         return -1;
4578                 pos++;
4579                 duration = atoi(pos);
4580                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4581                         return -1;
4582                 if (count == 0 && duration > 0)
4583                         return -1;
4584                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4585                            "start=%d duration=%d", count, start, duration);
4586                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4587         }
4588
4589         if (os_strcmp(cmd, "ps") == 0)
4590                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4591
4592         if (os_strcmp(cmd, "oppps") == 0)
4593                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4594
4595         if (os_strcmp(cmd, "ctwindow") == 0)
4596                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4597
4598         if (os_strcmp(cmd, "disabled") == 0) {
4599                 wpa_s->global->p2p_disabled = atoi(param);
4600                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4601                            wpa_s->global->p2p_disabled ?
4602                            "disabled" : "enabled");
4603                 if (wpa_s->global->p2p_disabled) {
4604                         wpas_p2p_stop_find(wpa_s);
4605                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4606                         p2p_flush(wpa_s->global->p2p);
4607                 }
4608                 return 0;
4609         }
4610
4611         if (os_strcmp(cmd, "conc_pref") == 0) {
4612                 if (os_strcmp(param, "sta") == 0)
4613                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4614                 else if (os_strcmp(param, "p2p") == 0)
4615                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4616                 else {
4617                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4618                         return -1;
4619                 }
4620                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4621                            "%s", param);
4622                 return 0;
4623         }
4624
4625         if (os_strcmp(cmd, "force_long_sd") == 0) {
4626                 wpa_s->force_long_sd = atoi(param);
4627                 return 0;
4628         }
4629
4630         if (os_strcmp(cmd, "peer_filter") == 0) {
4631                 u8 addr[ETH_ALEN];
4632                 if (hwaddr_aton(param, addr))
4633                         return -1;
4634                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4635                 return 0;
4636         }
4637
4638         if (os_strcmp(cmd, "cross_connect") == 0)
4639                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4640
4641         if (os_strcmp(cmd, "go_apsd") == 0) {
4642                 if (os_strcmp(param, "disable") == 0)
4643                         wpa_s->set_ap_uapsd = 0;
4644                 else {
4645                         wpa_s->set_ap_uapsd = 1;
4646                         wpa_s->ap_uapsd = atoi(param);
4647                 }
4648                 return 0;
4649         }
4650
4651         if (os_strcmp(cmd, "client_apsd") == 0) {
4652                 if (os_strcmp(param, "disable") == 0)
4653                         wpa_s->set_sta_uapsd = 0;
4654                 else {
4655                         int be, bk, vi, vo;
4656                         char *pos;
4657                         /* format: BE,BK,VI,VO;max SP Length */
4658                         be = atoi(param);
4659                         pos = os_strchr(param, ',');
4660                         if (pos == NULL)
4661                                 return -1;
4662                         pos++;
4663                         bk = atoi(pos);
4664                         pos = os_strchr(pos, ',');
4665                         if (pos == NULL)
4666                                 return -1;
4667                         pos++;
4668                         vi = atoi(pos);
4669                         pos = os_strchr(pos, ',');
4670                         if (pos == NULL)
4671                                 return -1;
4672                         pos++;
4673                         vo = atoi(pos);
4674                         /* ignore max SP Length for now */
4675
4676                         wpa_s->set_sta_uapsd = 1;
4677                         wpa_s->sta_uapsd = 0;
4678                         if (be)
4679                                 wpa_s->sta_uapsd |= BIT(0);
4680                         if (bk)
4681                                 wpa_s->sta_uapsd |= BIT(1);
4682                         if (vi)
4683                                 wpa_s->sta_uapsd |= BIT(2);
4684                         if (vo)
4685                                 wpa_s->sta_uapsd |= BIT(3);
4686                 }
4687                 return 0;
4688         }
4689
4690         if (os_strcmp(cmd, "disallow_freq") == 0)
4691                 return p2p_ctrl_disallow_freq(wpa_s, param);
4692
4693         if (os_strcmp(cmd, "disc_int") == 0) {
4694                 int min_disc_int, max_disc_int, max_disc_tu;
4695                 char *pos;
4696
4697                 pos = param;
4698
4699                 min_disc_int = atoi(pos);
4700                 pos = os_strchr(pos, ' ');
4701                 if (pos == NULL)
4702                         return -1;
4703                 *pos++ = '\0';
4704
4705                 max_disc_int = atoi(pos);
4706                 pos = os_strchr(pos, ' ');
4707                 if (pos == NULL)
4708                         return -1;
4709                 *pos++ = '\0';
4710
4711                 max_disc_tu = atoi(pos);
4712
4713                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4714                                         max_disc_int, max_disc_tu);
4715         }
4716
4717         if (os_strcmp(cmd, "per_sta_psk") == 0) {
4718                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
4719                 return 0;
4720         }
4721
4722 #ifdef CONFIG_WPS_NFC
4723         if (os_strcmp(cmd, "nfc_tag") == 0)
4724                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
4725 #endif /* CONFIG_WPS_NFC */
4726
4727         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
4728                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
4729                 return 0;
4730         }
4731
4732         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4733                    cmd);
4734
4735         return -1;
4736 }
4737
4738
4739 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
4740 {
4741         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4742         wpa_s->force_long_sd = 0;
4743         if (wpa_s->global->p2p)
4744                 p2p_flush(wpa_s->global->p2p);
4745 }
4746
4747
4748 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4749 {
4750         char *pos, *pos2;
4751         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4752
4753         if (cmd[0]) {
4754                 pos = os_strchr(cmd, ' ');
4755                 if (pos == NULL)
4756                         return -1;
4757                 *pos++ = '\0';
4758                 dur1 = atoi(cmd);
4759
4760                 pos2 = os_strchr(pos, ' ');
4761                 if (pos2)
4762                         *pos2++ = '\0';
4763                 int1 = atoi(pos);
4764         } else
4765                 pos2 = NULL;
4766
4767         if (pos2) {
4768                 pos = os_strchr(pos2, ' ');
4769                 if (pos == NULL)
4770                         return -1;
4771                 *pos++ = '\0';
4772                 dur2 = atoi(pos2);
4773                 int2 = atoi(pos);
4774         }
4775
4776         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4777 }
4778
4779
4780 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4781 {
4782         char *pos;
4783         unsigned int period = 0, interval = 0;
4784
4785         if (cmd[0]) {
4786                 pos = os_strchr(cmd, ' ');
4787                 if (pos == NULL)
4788                         return -1;
4789                 *pos++ = '\0';
4790                 period = atoi(cmd);
4791                 interval = atoi(pos);
4792         }
4793
4794         return wpas_p2p_ext_listen(wpa_s, period, interval);
4795 }
4796
4797
4798 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
4799 {
4800         const char *pos;
4801         u8 peer[ETH_ALEN];
4802         int iface_addr = 0;
4803
4804         pos = cmd;
4805         if (os_strncmp(pos, "iface=", 6) == 0) {
4806                 iface_addr = 1;
4807                 pos += 6;
4808         }
4809         if (hwaddr_aton(pos, peer))
4810                 return -1;
4811
4812         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
4813         return 0;
4814 }
4815
4816 #endif /* CONFIG_P2P */
4817
4818
4819 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
4820 {
4821         struct wpa_freq_range_list ranges;
4822         int *freqs = NULL;
4823         struct hostapd_hw_modes *mode;
4824         u16 i;
4825
4826         if (wpa_s->hw.modes == NULL)
4827                 return NULL;
4828
4829         os_memset(&ranges, 0, sizeof(ranges));
4830         if (freq_range_list_parse(&ranges, val) < 0)
4831                 return NULL;
4832
4833         for (i = 0; i < wpa_s->hw.num_modes; i++) {
4834                 int j;
4835
4836                 mode = &wpa_s->hw.modes[i];
4837                 for (j = 0; j < mode->num_channels; j++) {
4838                         unsigned int freq;
4839
4840                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
4841                                 continue;
4842
4843                         freq = mode->channels[j].freq;
4844                         if (!freq_range_list_includes(&ranges, freq))
4845                                 continue;
4846
4847                         int_array_add_unique(&freqs, freq);
4848                 }
4849         }
4850
4851         os_free(ranges.range);
4852         return freqs;
4853 }
4854
4855
4856 #ifdef CONFIG_INTERWORKING
4857
4858 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
4859 {
4860         int auto_sel = 0;
4861         int *freqs = NULL;
4862
4863         if (param) {
4864                 char *pos;
4865
4866                 auto_sel = os_strstr(param, "auto") != NULL;
4867
4868                 pos = os_strstr(param, "freq=");
4869                 if (pos) {
4870                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
4871                         if (freqs == NULL)
4872                                 return -1;
4873                 }
4874
4875         }
4876
4877         return interworking_select(wpa_s, auto_sel, freqs);
4878 }
4879
4880
4881 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4882 {
4883         u8 bssid[ETH_ALEN];
4884         struct wpa_bss *bss;
4885
4886         if (hwaddr_aton(dst, bssid)) {
4887                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4888                 return -1;
4889         }
4890
4891         bss = wpa_bss_get_bssid(wpa_s, bssid);
4892         if (bss == NULL) {
4893                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4894                            MAC2STR(bssid));
4895                 return -1;
4896         }
4897
4898         return interworking_connect(wpa_s, bss);
4899 }
4900
4901
4902 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4903 {
4904         u8 dst_addr[ETH_ALEN];
4905         int used;
4906         char *pos;
4907 #define MAX_ANQP_INFO_ID 100
4908         u16 id[MAX_ANQP_INFO_ID];
4909         size_t num_id = 0;
4910
4911         used = hwaddr_aton2(dst, dst_addr);
4912         if (used < 0)
4913                 return -1;
4914         pos = dst + used;
4915         while (num_id < MAX_ANQP_INFO_ID) {
4916                 id[num_id] = atoi(pos);
4917                 if (id[num_id])
4918                         num_id++;
4919                 pos = os_strchr(pos + 1, ',');
4920                 if (pos == NULL)
4921                         break;
4922                 pos++;
4923         }
4924
4925         if (num_id == 0)
4926                 return -1;
4927
4928         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4929 }
4930
4931
4932 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4933 {
4934         u8 dst_addr[ETH_ALEN];
4935         struct wpabuf *advproto, *query = NULL;
4936         int used, ret = -1;
4937         char *pos, *end;
4938         size_t len;
4939
4940         used = hwaddr_aton2(cmd, dst_addr);
4941         if (used < 0)
4942                 return -1;
4943
4944         pos = cmd + used;
4945         while (*pos == ' ')
4946                 pos++;
4947
4948         /* Advertisement Protocol ID */
4949         end = os_strchr(pos, ' ');
4950         if (end)
4951                 len = end - pos;
4952         else
4953                 len = os_strlen(pos);
4954         if (len & 0x01)
4955                 return -1;
4956         len /= 2;
4957         if (len == 0)
4958                 return -1;
4959         advproto = wpabuf_alloc(len);
4960         if (advproto == NULL)
4961                 return -1;
4962         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4963                 goto fail;
4964
4965         if (end) {
4966                 /* Optional Query Request */
4967                 pos = end + 1;
4968                 while (*pos == ' ')
4969                         pos++;
4970
4971                 len = os_strlen(pos);
4972                 if (len) {
4973                         if (len & 0x01)
4974                                 goto fail;
4975                         len /= 2;
4976                         if (len == 0)
4977                                 goto fail;
4978                         query = wpabuf_alloc(len);
4979                         if (query == NULL)
4980                                 goto fail;
4981                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4982                                 goto fail;
4983                 }
4984         }
4985
4986         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4987
4988 fail:
4989         wpabuf_free(advproto);
4990         wpabuf_free(query);
4991
4992         return ret;
4993 }
4994
4995
4996 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4997                             size_t buflen)
4998 {
4999         u8 addr[ETH_ALEN];
5000         int dialog_token;
5001         int used;
5002         char *pos;
5003         size_t resp_len, start, requested_len;
5004         struct wpabuf *resp;
5005         int ret;
5006
5007         used = hwaddr_aton2(cmd, addr);
5008         if (used < 0)
5009                 return -1;
5010
5011         pos = cmd + used;
5012         while (*pos == ' ')
5013                 pos++;
5014         dialog_token = atoi(pos);
5015
5016         if (wpa_s->last_gas_resp &&
5017             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
5018             dialog_token == wpa_s->last_gas_dialog_token)
5019                 resp = wpa_s->last_gas_resp;
5020         else if (wpa_s->prev_gas_resp &&
5021                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
5022                  dialog_token == wpa_s->prev_gas_dialog_token)
5023                 resp = wpa_s->prev_gas_resp;
5024         else
5025                 return -1;
5026
5027         resp_len = wpabuf_len(resp);
5028         start = 0;
5029         requested_len = resp_len;
5030
5031         pos = os_strchr(pos, ' ');
5032         if (pos) {
5033                 start = atoi(pos);
5034                 if (start > resp_len)
5035                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
5036                 pos = os_strchr(pos, ',');
5037                 if (pos == NULL)
5038                         return -1;
5039                 pos++;
5040                 requested_len = atoi(pos);
5041                 if (start + requested_len > resp_len)
5042                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
5043         }
5044
5045         if (requested_len * 2 + 1 > buflen)
5046                 return os_snprintf(buf, buflen, "FAIL-Too long response");
5047
5048         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
5049                                requested_len);
5050
5051         if (start + requested_len == resp_len) {
5052                 /*
5053                  * Free memory by dropping the response after it has been
5054                  * fetched.
5055                  */
5056                 if (resp == wpa_s->prev_gas_resp) {
5057                         wpabuf_free(wpa_s->prev_gas_resp);
5058                         wpa_s->prev_gas_resp = NULL;
5059                 } else {
5060                         wpabuf_free(wpa_s->last_gas_resp);
5061                         wpa_s->last_gas_resp = NULL;
5062                 }
5063         }
5064
5065         return ret;
5066 }
5067 #endif /* CONFIG_INTERWORKING */
5068
5069
5070 #ifdef CONFIG_HS20
5071
5072 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
5073 {
5074         u8 dst_addr[ETH_ALEN];
5075         int used;
5076         char *pos;
5077         u32 subtypes = 0;
5078
5079         used = hwaddr_aton2(dst, dst_addr);
5080         if (used < 0)
5081                 return -1;
5082         pos = dst + used;
5083         for (;;) {
5084                 int num = atoi(pos);
5085                 if (num <= 0 || num > 31)
5086                         return -1;
5087                 subtypes |= BIT(num);
5088                 pos = os_strchr(pos + 1, ',');
5089                 if (pos == NULL)
5090                         break;
5091                 pos++;
5092         }
5093
5094         if (subtypes == 0)
5095                 return -1;
5096
5097         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
5098 }
5099
5100
5101 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5102                                     const u8 *addr, const char *realm)
5103 {
5104         u8 *buf;
5105         size_t rlen, len;
5106         int ret;
5107
5108         rlen = os_strlen(realm);
5109         len = 3 + rlen;
5110         buf = os_malloc(len);
5111         if (buf == NULL)
5112                 return -1;
5113         buf[0] = 1; /* NAI Home Realm Count */
5114         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
5115         buf[2] = rlen;
5116         os_memcpy(buf + 3, realm, rlen);
5117
5118         ret = hs20_anqp_send_req(wpa_s, addr,
5119                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5120                                  buf, len);
5121
5122         os_free(buf);
5123
5124         return ret;
5125 }
5126
5127
5128 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5129                                         char *dst)
5130 {
5131         struct wpa_cred *cred = wpa_s->conf->cred;
5132         u8 dst_addr[ETH_ALEN];
5133         int used;
5134         u8 *buf;
5135         size_t len;
5136         int ret;
5137
5138         used = hwaddr_aton2(dst, dst_addr);
5139         if (used < 0)
5140                 return -1;
5141
5142         while (dst[used] == ' ')
5143                 used++;
5144         if (os_strncmp(dst + used, "realm=", 6) == 0)
5145                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
5146                                                 dst + used + 6);
5147
5148         len = os_strlen(dst + used);
5149
5150         if (len == 0 && cred && cred->realm)
5151                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
5152
5153         if (len % 1)
5154                 return -1;
5155         len /= 2;
5156         buf = os_malloc(len);
5157         if (buf == NULL)
5158                 return -1;
5159         if (hexstr2bin(dst + used, buf, len) < 0) {
5160                 os_free(buf);
5161                 return -1;
5162         }
5163
5164         ret = hs20_anqp_send_req(wpa_s, dst_addr,
5165                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5166                                  buf, len);
5167         os_free(buf);
5168
5169         return ret;
5170 }
5171
5172 #endif /* CONFIG_HS20 */
5173
5174
5175 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
5176         struct wpa_supplicant *wpa_s, char *cmd)
5177 {
5178         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
5179         return 0;
5180 }
5181
5182
5183 #ifdef CONFIG_AUTOSCAN
5184
5185 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
5186                                               char *cmd)
5187 {
5188         enum wpa_states state = wpa_s->wpa_state;
5189         char *new_params = NULL;
5190
5191         if (os_strlen(cmd) > 0) {
5192                 new_params = os_strdup(cmd);
5193                 if (new_params == NULL)
5194                         return -1;
5195         }
5196
5197         os_free(wpa_s->conf->autoscan);
5198         wpa_s->conf->autoscan = new_params;
5199
5200         if (wpa_s->conf->autoscan == NULL)
5201                 autoscan_deinit(wpa_s);
5202         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
5203                 autoscan_init(wpa_s, 1);
5204         else if (state == WPA_SCANNING)
5205                 wpa_supplicant_reinit_autoscan(wpa_s);
5206
5207         return 0;
5208 }
5209
5210 #endif /* CONFIG_AUTOSCAN */
5211
5212
5213 #ifdef CONFIG_WNM
5214
5215 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
5216 {
5217         int enter;
5218         int intval = 0;
5219         char *pos;
5220         int ret;
5221         struct wpabuf *tfs_req = NULL;
5222
5223         if (os_strncmp(cmd, "enter", 5) == 0)
5224                 enter = 1;
5225         else if (os_strncmp(cmd, "exit", 4) == 0)
5226                 enter = 0;
5227         else
5228                 return -1;
5229
5230         pos = os_strstr(cmd, " interval=");
5231         if (pos)
5232                 intval = atoi(pos + 10);
5233
5234         pos = os_strstr(cmd, " tfs_req=");
5235         if (pos) {
5236                 char *end;
5237                 size_t len;
5238                 pos += 9;
5239                 end = os_strchr(pos, ' ');
5240                 if (end)
5241                         len = end - pos;
5242                 else
5243                         len = os_strlen(pos);
5244                 if (len & 1)
5245                         return -1;
5246                 len /= 2;
5247                 tfs_req = wpabuf_alloc(len);
5248                 if (tfs_req == NULL)
5249                         return -1;
5250                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
5251                         wpabuf_free(tfs_req);
5252                         return -1;
5253                 }
5254         }
5255
5256         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
5257                                            WNM_SLEEP_MODE_EXIT, intval,
5258                                            tfs_req);
5259         wpabuf_free(tfs_req);
5260
5261         return ret;
5262 }
5263
5264
5265 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
5266 {
5267         int query_reason;
5268
5269         query_reason = atoi(cmd);
5270
5271         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
5272                    query_reason);
5273
5274         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
5275 }
5276
5277 #endif /* CONFIG_WNM */
5278
5279
5280 /* Get string representation of channel width */
5281 static const char * channel_width_name(enum chan_width width)
5282 {
5283         switch (width) {
5284         case CHAN_WIDTH_20_NOHT:
5285                 return "20 MHz (no HT)";
5286         case CHAN_WIDTH_20:
5287                 return "20 MHz";
5288         case CHAN_WIDTH_40:
5289                 return "40 MHz";
5290         case CHAN_WIDTH_80:
5291                 return "80 MHz";
5292         case CHAN_WIDTH_80P80:
5293                 return "80+80 MHz";
5294         case CHAN_WIDTH_160:
5295                 return "160 MHz";
5296         default:
5297                 return "unknown";
5298         }
5299 }
5300
5301
5302 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
5303                                       size_t buflen)
5304 {
5305         struct wpa_signal_info si;
5306         int ret;
5307         char *pos, *end;
5308
5309         ret = wpa_drv_signal_poll(wpa_s, &si);
5310         if (ret)
5311                 return -1;
5312
5313         pos = buf;
5314         end = buf + buflen;
5315
5316         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
5317                           "NOISE=%d\nFREQUENCY=%u\n",
5318                           si.current_signal, si.current_txrate / 1000,
5319                           si.current_noise, si.frequency);
5320         if (ret < 0 || ret > end - pos)
5321                 return -1;
5322         pos += ret;
5323
5324         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
5325                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
5326                                   channel_width_name(si.chanwidth));
5327                 if (ret < 0 || ret > end - pos)
5328                         return -1;
5329                 pos += ret;
5330         }
5331
5332         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
5333                 ret = os_snprintf(pos, end - pos,
5334                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
5335                                   si.center_frq1, si.center_frq2);
5336                 if (ret < 0 || ret > end - pos)
5337                         return -1;
5338                 pos += ret;
5339         }
5340
5341         if (si.avg_signal) {
5342                 ret = os_snprintf(pos, end - pos,
5343                                   "AVG_RSSI=%d\n", si.avg_signal);
5344                 if (ret < 0 || ret >= end - pos)
5345                         return -1;
5346                 pos += ret;
5347         }
5348
5349         return pos - buf;
5350 }
5351
5352
5353 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
5354                                       size_t buflen)
5355 {
5356         struct hostap_sta_driver_data sta;
5357         int ret;
5358
5359         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
5360         if (ret)
5361                 return -1;
5362
5363         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
5364                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
5365         if (ret < 0 || (size_t) ret > buflen)
5366                 return -1;
5367         return ret;
5368 }
5369
5370
5371 #ifdef ANDROID
5372 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
5373                                      char *buf, size_t buflen)
5374 {
5375         int ret;
5376
5377         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
5378         if (ret == 0) {
5379                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
5380                         struct p2p_data *p2p = wpa_s->global->p2p;
5381                         if (p2p) {
5382                                 char country[3];
5383                                 country[0] = cmd[8];
5384                                 country[1] = cmd[9];
5385                                 country[2] = 0x04;
5386                                 p2p_set_country(p2p, country);
5387                         }
5388                 }
5389                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
5390         }
5391         return ret;
5392 }
5393 #endif /* ANDROID */
5394
5395
5396 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
5397 {
5398         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
5399
5400 #ifdef CONFIG_P2P
5401         wpas_p2p_stop_find(wpa_s);
5402         p2p_ctrl_flush(wpa_s);
5403         wpas_p2p_group_remove(wpa_s, "*");
5404         wpas_p2p_service_flush(wpa_s);
5405         wpa_s->global->p2p_disabled = 0;
5406         wpa_s->global->p2p_per_sta_psk = 0;
5407         wpa_s->conf->num_sec_device_types = 0;
5408         wpa_s->p2p_disable_ip_addr_req = 0;
5409 #endif /* CONFIG_P2P */
5410
5411 #ifdef CONFIG_WPS_TESTING
5412         wps_version_number = 0x20;
5413         wps_testing_dummy_cred = 0;
5414         wps_corrupt_pkhash = 0;
5415 #endif /* CONFIG_WPS_TESTING */
5416 #ifdef CONFIG_WPS
5417         wpa_s->wps_fragment_size = 0;
5418         wpas_wps_cancel(wpa_s);
5419 #endif /* CONFIG_WPS */
5420         wpa_s->after_wps = 0;
5421         wpa_s->known_wps_freq = 0;
5422
5423 #ifdef CONFIG_TDLS
5424 #ifdef CONFIG_TDLS_TESTING
5425         extern unsigned int tdls_testing;
5426         tdls_testing = 0;
5427 #endif /* CONFIG_TDLS_TESTING */
5428         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
5429         wpa_tdls_enable(wpa_s->wpa, 1);
5430 #endif /* CONFIG_TDLS */
5431
5432         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
5433         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
5434
5435         wpa_s->no_keep_alive = 0;
5436
5437         os_free(wpa_s->disallow_aps_bssid);
5438         wpa_s->disallow_aps_bssid = NULL;
5439         wpa_s->disallow_aps_bssid_count = 0;
5440         os_free(wpa_s->disallow_aps_ssid);
5441         wpa_s->disallow_aps_ssid = NULL;
5442         wpa_s->disallow_aps_ssid_count = 0;
5443
5444         wpa_s->set_sta_uapsd = 0;
5445         wpa_s->sta_uapsd = 0;
5446
5447         wpa_drv_radio_disable(wpa_s, 0);
5448
5449         wpa_bss_flush(wpa_s);
5450         wpa_blacklist_clear(wpa_s);
5451         wpa_s->extra_blacklist_count = 0;
5452         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
5453         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
5454         wpa_config_flush_blobs(wpa_s->conf);
5455         wpa_s->conf->auto_interworking = 0;
5456         wpa_s->conf->okc = 0;
5457         wpa_s->conf->pmf = 0;
5458
5459         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
5460         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
5461         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
5462         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5463
5464         radio_remove_unstarted_work(wpa_s, NULL);
5465 }
5466
5467
5468 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
5469                                      char *buf, size_t buflen)
5470 {
5471         struct wpa_radio_work *work;
5472         char *pos, *end;
5473         struct os_reltime now, diff;
5474
5475         pos = buf;
5476         end = buf + buflen;
5477
5478         os_get_reltime(&now);
5479
5480         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
5481         {
5482                 int ret;
5483
5484                 os_reltime_sub(&now, &work->time, &diff);
5485                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
5486                                   work->type, work->wpa_s->ifname, work->freq,
5487                                   work->started, diff.sec, diff.usec);
5488                 if (ret < 0 || ret >= end - pos)
5489                         break;
5490                 pos += ret;
5491         }
5492
5493         return pos - buf;
5494 }
5495
5496
5497 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
5498 {
5499         struct wpa_radio_work *work = eloop_ctx;
5500         struct wpa_external_work *ework = work->ctx;
5501
5502         wpa_dbg(work->wpa_s, MSG_DEBUG,
5503                 "Timing out external radio work %u (%s)",
5504                 ework->id, work->type);
5505         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
5506         os_free(ework);
5507         radio_work_done(work);
5508 }
5509
5510
5511 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
5512 {
5513         struct wpa_external_work *ework = work->ctx;
5514
5515         if (deinit) {
5516                 os_free(ework);
5517                 return;
5518         }
5519
5520         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
5521                 ework->id, ework->type);
5522         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
5523         if (!ework->timeout)
5524                 ework->timeout = 10;
5525         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
5526                                work, NULL);
5527 }
5528
5529
5530 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
5531                                     char *buf, size_t buflen)
5532 {
5533         struct wpa_external_work *ework;
5534         char *pos, *pos2;
5535         size_t type_len;
5536         int ret;
5537         unsigned int freq = 0;
5538
5539         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
5540
5541         ework = os_zalloc(sizeof(*ework));
5542         if (ework == NULL)
5543                 return -1;
5544
5545         pos = os_strchr(cmd, ' ');
5546         if (pos) {
5547                 type_len = pos - cmd;
5548                 pos++;
5549
5550                 pos2 = os_strstr(pos, "freq=");
5551                 if (pos2)
5552                         freq = atoi(pos2 + 5);
5553
5554                 pos2 = os_strstr(pos, "timeout=");
5555                 if (pos2)
5556                         ework->timeout = atoi(pos2 + 8);
5557         } else {
5558                 type_len = os_strlen(cmd);
5559         }
5560         if (4 + type_len >= sizeof(ework->type))
5561                 type_len = sizeof(ework->type) - 4 - 1;
5562         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
5563         os_memcpy(ework->type + 4, cmd, type_len);
5564         ework->type[4 + type_len] = '\0';
5565
5566         wpa_s->ext_work_id++;
5567         if (wpa_s->ext_work_id == 0)
5568                 wpa_s->ext_work_id++;
5569         ework->id = wpa_s->ext_work_id;
5570
5571         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
5572                            ework) < 0) {
5573                 os_free(ework);
5574                 return -1;
5575         }
5576
5577         ret = os_snprintf(buf, buflen, "%u", ework->id);
5578         if (ret < 0 || (size_t) ret >= buflen)
5579                 return -1;
5580         return ret;
5581 }
5582
5583
5584 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
5585 {
5586         struct wpa_radio_work *work;
5587         unsigned int id = atoi(cmd);
5588
5589         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
5590         {
5591                 struct wpa_external_work *ework;
5592
5593                 if (os_strncmp(work->type, "ext:", 4) != 0)
5594                         continue;
5595                 ework = work->ctx;
5596                 if (id && ework->id != id)
5597                         continue;
5598                 wpa_dbg(wpa_s, MSG_DEBUG,
5599                         "Completed external radio work %u (%s)",
5600                         ework->id, ework->type);
5601                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
5602                 os_free(ework);
5603                 radio_work_done(work);
5604                 return 3; /* "OK\n" */
5605         }
5606
5607         return -1;
5608 }
5609
5610
5611 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
5612                                 char *buf, size_t buflen)
5613 {
5614         if (os_strcmp(cmd, "show") == 0)
5615                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
5616         if (os_strncmp(cmd, "add ", 4) == 0)
5617                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
5618         if (os_strncmp(cmd, "done ", 5) == 0)
5619                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
5620         return -1;
5621 }
5622
5623
5624 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
5625 {
5626         struct wpa_radio_work *work, *tmp;
5627
5628         if (!wpa_s || !wpa_s->radio)
5629                 return;
5630
5631         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
5632                               struct wpa_radio_work, list) {
5633                 struct wpa_external_work *ework;
5634
5635                 if (os_strncmp(work->type, "ext:", 4) != 0)
5636                         continue;
5637                 ework = work->ctx;
5638                 wpa_dbg(wpa_s, MSG_DEBUG,
5639                         "Flushing %sexternal radio work %u (%s)",
5640                         work->started ? " started" : "", ework->id,
5641                         ework->type);
5642                 if (work->started)
5643                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
5644                                              work, NULL);
5645                 os_free(ework);
5646                 radio_work_done(work);
5647         }
5648 }
5649
5650
5651 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
5652 {
5653         struct wpa_supplicant *wpa_s = eloop_ctx;
5654         eapol_sm_notify_ctrl_response(wpa_s->eapol);
5655 }
5656
5657
5658 static int set_scan_freqs(struct wpa_supplicant *wpa_s, char *val)
5659 {
5660         int *freqs = NULL;
5661
5662         freqs = freq_range_to_channel_list(wpa_s, val);
5663         if (freqs == NULL)
5664                 return -1;
5665
5666         os_free(wpa_s->manual_scan_freqs);
5667         wpa_s->manual_scan_freqs = freqs;
5668
5669         return 0;
5670 }
5671
5672
5673 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
5674                            char *reply, int reply_size, int *reply_len)
5675 {
5676         char *pos;
5677
5678         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
5679                 *reply_len = -1;
5680                 return;
5681         }
5682
5683         wpa_s->manual_scan_passive = 0;
5684         wpa_s->manual_scan_use_id = 0;
5685         wpa_s->manual_scan_only_new = 0;
5686
5687         if (params) {
5688                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
5689                         wpa_s->scan_res_handler = scan_only_handler;
5690
5691                 pos = os_strstr(params, "freq=");
5692                 if (pos && set_scan_freqs(wpa_s, pos + 5) < 0) {
5693                         *reply_len = -1;
5694                         return;
5695                 }
5696
5697                 pos = os_strstr(params, "passive=");
5698                 if (pos)
5699                         wpa_s->manual_scan_passive = !!atoi(pos + 8);
5700
5701                 pos = os_strstr(params, "use_id=");
5702                 if (pos)
5703                         wpa_s->manual_scan_use_id = atoi(pos + 7);
5704
5705                 pos = os_strstr(params, "only_new=1");
5706                 if (pos)
5707                         wpa_s->manual_scan_only_new = 1;
5708         } else {
5709                 os_free(wpa_s->manual_scan_freqs);
5710                 wpa_s->manual_scan_freqs = NULL;
5711                 if (wpa_s->scan_res_handler == scan_only_handler)
5712                         wpa_s->scan_res_handler = NULL;
5713         }
5714
5715         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5716             ((wpa_s->wpa_state <= WPA_SCANNING) ||
5717              (wpa_s->wpa_state == WPA_COMPLETED))) {
5718                 wpa_s->normal_scans = 0;
5719                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5720                 wpa_s->after_wps = 0;
5721                 wpa_s->known_wps_freq = 0;
5722                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5723                 if (wpa_s->manual_scan_use_id) {
5724                         wpa_s->manual_scan_id++;
5725                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
5726                                 wpa_s->manual_scan_id);
5727                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
5728                                                  wpa_s->manual_scan_id);
5729                 }
5730         } else if (wpa_s->sched_scanning) {
5731                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
5732                 wpa_supplicant_cancel_sched_scan(wpa_s);
5733                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5734                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5735                 if (wpa_s->manual_scan_use_id) {
5736                         wpa_s->manual_scan_id++;
5737                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
5738                                                  wpa_s->manual_scan_id);
5739                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
5740                                 wpa_s->manual_scan_id);
5741                 }
5742         } else {
5743                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
5744                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
5745         }
5746 }
5747
5748
5749 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
5750                                          char *buf, size_t *resp_len)
5751 {
5752         char *reply;
5753         const int reply_size = 4096;
5754         int reply_len;
5755
5756         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
5757             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5758                 if (wpa_debug_show_keys)
5759                         wpa_dbg(wpa_s, MSG_DEBUG,
5760                                 "Control interface command '%s'", buf);
5761                 else
5762                         wpa_dbg(wpa_s, MSG_DEBUG,
5763                                 "Control interface command '%s [REMOVED]'",
5764                                 os_strncmp(buf, WPA_CTRL_RSP,
5765                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
5766                                 WPA_CTRL_RSP : "SET_NETWORK");
5767         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
5768                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0 ||
5769                    os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
5770                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
5771                                       (const u8 *) buf, os_strlen(buf));
5772         } else {
5773                 int level = MSG_DEBUG;
5774                 if (os_strcmp(buf, "PING") == 0)
5775                         level = MSG_EXCESSIVE;
5776                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
5777         }
5778
5779         reply = os_malloc(reply_size);
5780         if (reply == NULL) {
5781                 *resp_len = 1;
5782                 return NULL;
5783         }
5784
5785         os_memcpy(reply, "OK\n", 3);
5786         reply_len = 3;
5787
5788         if (os_strcmp(buf, "PING") == 0) {
5789                 os_memcpy(reply, "PONG\n", 5);
5790                 reply_len = 5;
5791         } else if (os_strcmp(buf, "IFNAME") == 0) {
5792                 reply_len = os_strlen(wpa_s->ifname);
5793                 os_memcpy(reply, wpa_s->ifname, reply_len);
5794         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
5795                 if (wpa_debug_reopen_file() < 0)
5796                         reply_len = -1;
5797         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
5798                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
5799         } else if (os_strcmp(buf, "MIB") == 0) {
5800                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
5801                 if (reply_len >= 0) {
5802                         int res;
5803                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
5804                                                reply_size - reply_len);
5805                         if (res < 0)
5806                                 reply_len = -1;
5807                         else
5808                                 reply_len += res;
5809                 }
5810         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
5811                 reply_len = wpa_supplicant_ctrl_iface_status(
5812                         wpa_s, buf + 6, reply, reply_size);
5813         } else if (os_strcmp(buf, "PMKSA") == 0) {
5814                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
5815                                                     reply_size);
5816         } else if (os_strncmp(buf, "SET ", 4) == 0) {
5817                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
5818                         reply_len = -1;
5819         } else if (os_strncmp(buf, "GET ", 4) == 0) {
5820                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
5821                                                           reply, reply_size);
5822         } else if (os_strcmp(buf, "LOGON") == 0) {
5823                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5824         } else if (os_strcmp(buf, "LOGOFF") == 0) {
5825                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
5826         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
5827                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5828                         reply_len = -1;
5829                 else
5830                         wpas_request_connection(wpa_s);
5831         } else if (os_strcmp(buf, "RECONNECT") == 0) {
5832                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5833                         reply_len = -1;
5834                 else if (wpa_s->disconnected)
5835                         wpas_request_connection(wpa_s);
5836 #ifdef IEEE8021X_EAPOL
5837         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
5838                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
5839                         reply_len = -1;
5840 #endif /* IEEE8021X_EAPOL */
5841 #ifdef CONFIG_PEERKEY
5842         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
5843                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
5844                         reply_len = -1;
5845 #endif /* CONFIG_PEERKEY */
5846 #ifdef CONFIG_IEEE80211R
5847         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
5848                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
5849                         reply_len = -1;
5850 #endif /* CONFIG_IEEE80211R */
5851 #ifdef CONFIG_WPS
5852         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
5853                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
5854                 if (res == -2) {
5855                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5856                         reply_len = 17;
5857                 } else if (res)
5858                         reply_len = -1;
5859         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
5860                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
5861                 if (res == -2) {
5862                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5863                         reply_len = 17;
5864                 } else if (res)
5865                         reply_len = -1;
5866         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
5867                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
5868                                                               reply,
5869                                                               reply_size);
5870         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
5871                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
5872                         wpa_s, buf + 14, reply, reply_size);
5873         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
5874                 if (wpas_wps_cancel(wpa_s))
5875                         reply_len = -1;
5876 #ifdef CONFIG_WPS_NFC
5877         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
5878                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
5879                         reply_len = -1;
5880         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
5881                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
5882                         reply_len = -1;
5883         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
5884                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
5885                         wpa_s, buf + 21, reply, reply_size);
5886         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
5887                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
5888                         wpa_s, buf + 14, reply, reply_size);
5889         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
5890                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
5891                                                                buf + 17))
5892                         reply_len = -1;
5893         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
5894                 reply_len = wpas_ctrl_nfc_get_handover_req(
5895                         wpa_s, buf + 21, reply, reply_size);
5896         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
5897                 reply_len = wpas_ctrl_nfc_get_handover_sel(
5898                         wpa_s, buf + 21, reply, reply_size);
5899         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
5900                 reply_len = wpas_ctrl_nfc_rx_handover_req(
5901                         wpa_s, buf + 20, reply, reply_size);
5902         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
5903                 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
5904                         reply_len = -1;
5905         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
5906                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
5907                         reply_len = -1;
5908 #endif /* CONFIG_WPS_NFC */
5909         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
5910                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
5911                         reply_len = -1;
5912 #ifdef CONFIG_AP
5913         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
5914                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
5915                         wpa_s, buf + 11, reply, reply_size);
5916 #endif /* CONFIG_AP */
5917 #ifdef CONFIG_WPS_ER
5918         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
5919                 if (wpas_wps_er_start(wpa_s, NULL))
5920                         reply_len = -1;
5921         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
5922                 if (wpas_wps_er_start(wpa_s, buf + 13))
5923                         reply_len = -1;
5924         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
5925                 if (wpas_wps_er_stop(wpa_s))
5926                         reply_len = -1;
5927         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
5928                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
5929                         reply_len = -1;
5930         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
5931                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
5932                 if (ret == -2) {
5933                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5934                         reply_len = 17;
5935                 } else if (ret == -3) {
5936                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
5937                         reply_len = 18;
5938                 } else if (ret == -4) {
5939                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
5940                         reply_len = 20;
5941                 } else if (ret)
5942                         reply_len = -1;
5943         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
5944                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
5945                         reply_len = -1;
5946         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
5947                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
5948                                                                 buf + 18))
5949                         reply_len = -1;
5950         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
5951                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
5952                         reply_len = -1;
5953 #ifdef CONFIG_WPS_NFC
5954         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
5955                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
5956                         wpa_s, buf + 24, reply, reply_size);
5957 #endif /* CONFIG_WPS_NFC */
5958 #endif /* CONFIG_WPS_ER */
5959 #endif /* CONFIG_WPS */
5960 #ifdef CONFIG_IBSS_RSN
5961         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
5962                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
5963                         reply_len = -1;
5964 #endif /* CONFIG_IBSS_RSN */
5965 #ifdef CONFIG_P2P
5966         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
5967                 if (p2p_ctrl_find(wpa_s, buf + 9))
5968                         reply_len = -1;
5969         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
5970                 if (p2p_ctrl_find(wpa_s, ""))
5971                         reply_len = -1;
5972         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
5973                 wpas_p2p_stop_find(wpa_s);
5974         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
5975                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
5976                                              reply_size);
5977         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
5978                 if (p2p_ctrl_listen(wpa_s, buf + 11))
5979                         reply_len = -1;
5980         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
5981                 if (p2p_ctrl_listen(wpa_s, ""))
5982                         reply_len = -1;
5983         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
5984                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
5985                         reply_len = -1;
5986         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
5987                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0, 0))
5988                         reply_len = -1;
5989         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
5990                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
5991                         reply_len = -1;
5992         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
5993                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
5994                         reply_len = -1;
5995         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
5996                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
5997         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
5998                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
5999                                                    reply_size);
6000         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
6001                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
6002                         reply_len = -1;
6003         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
6004                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
6005                         reply_len = -1;
6006         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
6007                 wpas_p2p_sd_service_update(wpa_s);
6008         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
6009                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
6010                         reply_len = -1;
6011         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
6012                 wpas_p2p_service_flush(wpa_s);
6013         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
6014                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
6015                         reply_len = -1;
6016         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
6017                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
6018                         reply_len = -1;
6019         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
6020                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
6021                         reply_len = -1;
6022         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
6023                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
6024                         reply_len = -1;
6025         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
6026                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
6027                                               reply_size);
6028         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
6029                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
6030                         reply_len = -1;
6031         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
6032                 p2p_ctrl_flush(wpa_s);
6033         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
6034                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
6035                         reply_len = -1;
6036         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
6037                 if (wpas_p2p_cancel(wpa_s))
6038                         reply_len = -1;
6039         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
6040                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
6041                         reply_len = -1;
6042         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
6043                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
6044                         reply_len = -1;
6045         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
6046                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
6047                         reply_len = -1;
6048         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
6049                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
6050                         reply_len = -1;
6051         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
6052                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
6053                         reply_len = -1;
6054 #endif /* CONFIG_P2P */
6055 #ifdef CONFIG_WIFI_DISPLAY
6056         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
6057                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
6058                         reply_len = -1;
6059         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
6060                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
6061                                                      reply, reply_size);
6062 #endif /* CONFIG_WIFI_DISPLAY */
6063 #ifdef CONFIG_INTERWORKING
6064         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
6065                 if (interworking_fetch_anqp(wpa_s) < 0)
6066                         reply_len = -1;
6067         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
6068                 interworking_stop_fetch_anqp(wpa_s);
6069         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
6070                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
6071                         reply_len = -1;
6072         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
6073                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
6074                         reply_len = -1;
6075         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
6076                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
6077                         reply_len = -1;
6078         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
6079                 if (get_anqp(wpa_s, buf + 9) < 0)
6080                         reply_len = -1;
6081         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
6082                 if (gas_request(wpa_s, buf + 12) < 0)
6083                         reply_len = -1;
6084         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
6085                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
6086                                              reply_size);
6087 #endif /* CONFIG_INTERWORKING */
6088 #ifdef CONFIG_HS20
6089         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
6090                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
6091                         reply_len = -1;
6092         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
6093                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
6094                         reply_len = -1;
6095 #endif /* CONFIG_HS20 */
6096         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
6097         {
6098                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
6099                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
6100                         reply_len = -1;
6101                 else {
6102                         /*
6103                          * Notify response from timeout to allow the control
6104                          * interface response to be sent first.
6105                          */
6106                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
6107                                                wpa_s, NULL);
6108                 }
6109         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
6110                 if (wpa_supplicant_reload_configuration(wpa_s))
6111                         reply_len = -1;
6112         } else if (os_strcmp(buf, "TERMINATE") == 0) {
6113                 wpa_supplicant_terminate_proc(wpa_s->global);
6114         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
6115                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
6116                         reply_len = -1;
6117         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
6118                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
6119                         wpa_s, buf + 9, reply, reply_size);
6120         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
6121                 reply_len = wpa_supplicant_ctrl_iface_log_level(
6122                         wpa_s, buf + 9, reply, reply_size);
6123         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
6124                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
6125                         wpa_s, reply, reply_size);
6126         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
6127 #ifdef CONFIG_SME
6128                 wpa_s->sme.prev_bssid_set = 0;
6129 #endif /* CONFIG_SME */
6130                 wpa_s->reassociate = 0;
6131                 wpa_s->disconnected = 1;
6132                 wpa_supplicant_cancel_sched_scan(wpa_s);
6133                 wpa_supplicant_cancel_scan(wpa_s);
6134                 wpa_supplicant_deauthenticate(wpa_s,
6135                                               WLAN_REASON_DEAUTH_LEAVING);
6136         } else if (os_strcmp(buf, "SCAN") == 0) {
6137                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
6138         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
6139                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
6140         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
6141                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
6142                         wpa_s, reply, reply_size);
6143         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
6144                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
6145                         reply_len = -1;
6146         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
6147                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
6148                         reply_len = -1;
6149         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
6150                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
6151                         reply_len = -1;
6152         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
6153                 reply_len = wpa_supplicant_ctrl_iface_add_network(
6154                         wpa_s, reply, reply_size);
6155         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
6156                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
6157                         reply_len = -1;
6158         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
6159                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
6160                         reply_len = -1;
6161         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
6162                 reply_len = wpa_supplicant_ctrl_iface_get_network(
6163                         wpa_s, buf + 12, reply, reply_size);
6164         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
6165                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
6166                         wpa_s, reply, reply_size);
6167         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
6168                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
6169                         wpa_s, reply, reply_size);
6170         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
6171                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
6172                         reply_len = -1;
6173         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
6174                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
6175                         reply_len = -1;
6176 #ifndef CONFIG_NO_CONFIG_WRITE
6177         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
6178                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
6179                         reply_len = -1;
6180 #endif /* CONFIG_NO_CONFIG_WRITE */
6181         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
6182                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
6183                         wpa_s, buf + 15, reply, reply_size);
6184         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
6185                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
6186                         reply_len = -1;
6187         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
6188                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
6189                         reply_len = -1;
6190         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
6191                 reply_len = wpa_supplicant_global_iface_list(
6192                         wpa_s->global, reply, reply_size);
6193         } else if (os_strcmp(buf, "INTERFACES") == 0) {
6194                 reply_len = wpa_supplicant_global_iface_interfaces(
6195                         wpa_s->global, reply, reply_size);
6196         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
6197                 reply_len = wpa_supplicant_ctrl_iface_bss(
6198                         wpa_s, buf + 4, reply, reply_size);
6199 #ifdef CONFIG_AP
6200         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
6201                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
6202         } else if (os_strncmp(buf, "STA ", 4) == 0) {
6203                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
6204                                               reply_size);
6205         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
6206                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
6207                                                    reply_size);
6208         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
6209                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
6210                         reply_len = -1;
6211         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
6212                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
6213                         reply_len = -1;
6214         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
6215                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
6216                         reply_len = -1;
6217 #endif /* CONFIG_AP */
6218         } else if (os_strcmp(buf, "SUSPEND") == 0) {
6219                 wpas_notify_suspend(wpa_s->global);
6220         } else if (os_strcmp(buf, "RESUME") == 0) {
6221                 wpas_notify_resume(wpa_s->global);
6222         } else if (os_strcmp(buf, "DROP_SA") == 0) {
6223                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
6224         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
6225                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
6226                         reply_len = -1;
6227         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
6228                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
6229                         reply_len = -1;
6230         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
6231                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
6232                         reply_len = -1;
6233         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
6234                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
6235                                                                buf + 17))
6236                         reply_len = -1;
6237         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
6238                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
6239                         reply_len = -1;
6240 #ifdef CONFIG_TDLS
6241         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
6242                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
6243                         reply_len = -1;
6244         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
6245                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
6246                         reply_len = -1;
6247         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
6248                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
6249                         reply_len = -1;
6250 #endif /* CONFIG_TDLS */
6251         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
6252                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
6253                                                        reply_size);
6254         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
6255                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
6256                                                        reply_size);
6257 #ifdef CONFIG_AUTOSCAN
6258         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
6259                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
6260                         reply_len = -1;
6261 #endif /* CONFIG_AUTOSCAN */
6262 #ifdef ANDROID
6263         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
6264                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
6265                                                       reply_size);
6266 #endif /* ANDROID */
6267         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
6268                 pmksa_cache_clear_current(wpa_s->wpa);
6269                 eapol_sm_request_reauth(wpa_s->eapol);
6270 #ifdef CONFIG_WNM
6271         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
6272                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
6273                         reply_len = -1;
6274         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 10) == 0) {
6275                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 10))
6276                                 reply_len = -1;
6277 #endif /* CONFIG_WNM */
6278         } else if (os_strcmp(buf, "FLUSH") == 0) {
6279                 wpa_supplicant_ctrl_iface_flush(wpa_s);
6280         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
6281                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
6282                                                  reply_size);
6283         } else {
6284                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
6285                 reply_len = 16;
6286         }
6287
6288         if (reply_len < 0) {
6289                 os_memcpy(reply, "FAIL\n", 5);
6290                 reply_len = 5;
6291         }
6292
6293         *resp_len = reply_len;
6294         return reply;
6295 }
6296
6297
6298 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
6299                                            char *cmd)
6300 {
6301         struct wpa_interface iface;
6302         char *pos;
6303
6304         /*
6305          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
6306          * TAB<bridge_ifname>
6307          */
6308         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
6309
6310         os_memset(&iface, 0, sizeof(iface));
6311
6312         do {
6313                 iface.ifname = pos = cmd;
6314                 pos = os_strchr(pos, '\t');
6315                 if (pos)
6316                         *pos++ = '\0';
6317                 if (iface.ifname[0] == '\0')
6318                         return -1;
6319                 if (pos == NULL)
6320                         break;
6321
6322                 iface.confname = pos;
6323                 pos = os_strchr(pos, '\t');
6324                 if (pos)
6325                         *pos++ = '\0';
6326                 if (iface.confname[0] == '\0')
6327                         iface.confname = NULL;
6328                 if (pos == NULL)
6329                         break;
6330
6331                 iface.driver = pos;
6332                 pos = os_strchr(pos, '\t');
6333                 if (pos)
6334                         *pos++ = '\0';
6335                 if (iface.driver[0] == '\0')
6336                         iface.driver = NULL;
6337                 if (pos == NULL)
6338                         break;
6339
6340                 iface.ctrl_interface = pos;
6341                 pos = os_strchr(pos, '\t');
6342                 if (pos)
6343                         *pos++ = '\0';
6344                 if (iface.ctrl_interface[0] == '\0')
6345                         iface.ctrl_interface = NULL;
6346                 if (pos == NULL)
6347                         break;
6348
6349                 iface.driver_param = pos;
6350                 pos = os_strchr(pos, '\t');
6351                 if (pos)
6352                         *pos++ = '\0';
6353                 if (iface.driver_param[0] == '\0')
6354                         iface.driver_param = NULL;
6355                 if (pos == NULL)
6356                         break;
6357
6358                 iface.bridge_ifname = pos;
6359                 pos = os_strchr(pos, '\t');
6360                 if (pos)
6361                         *pos++ = '\0';
6362                 if (iface.bridge_ifname[0] == '\0')
6363                         iface.bridge_ifname = NULL;
6364                 if (pos == NULL)
6365                         break;
6366         } while (0);
6367
6368         if (wpa_supplicant_get_iface(global, iface.ifname))
6369                 return -1;
6370
6371         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
6372 }
6373
6374
6375 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
6376                                               char *cmd)
6377 {
6378         struct wpa_supplicant *wpa_s;
6379
6380         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
6381
6382         wpa_s = wpa_supplicant_get_iface(global, cmd);
6383         if (wpa_s == NULL)
6384                 return -1;
6385         return wpa_supplicant_remove_iface(global, wpa_s, 0);
6386 }
6387
6388
6389 static void wpa_free_iface_info(struct wpa_interface_info *iface)
6390 {
6391         struct wpa_interface_info *prev;
6392
6393         while (iface) {
6394                 prev = iface;
6395                 iface = iface->next;
6396
6397                 os_free(prev->ifname);
6398                 os_free(prev->desc);
6399                 os_free(prev);
6400         }
6401 }
6402
6403
6404 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
6405                                             char *buf, int len)
6406 {
6407         int i, res;
6408         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
6409         char *pos, *end;
6410
6411         for (i = 0; wpa_drivers[i]; i++) {
6412                 struct wpa_driver_ops *drv = wpa_drivers[i];
6413                 if (drv->get_interfaces == NULL)
6414                         continue;
6415                 tmp = drv->get_interfaces(global->drv_priv[i]);
6416                 if (tmp == NULL)
6417                         continue;
6418
6419                 if (last == NULL)
6420                         iface = last = tmp;
6421                 else
6422                         last->next = tmp;
6423                 while (last->next)
6424                         last = last->next;
6425         }
6426
6427         pos = buf;
6428         end = buf + len;
6429         for (tmp = iface; tmp; tmp = tmp->next) {
6430                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
6431                                   tmp->drv_name, tmp->ifname,
6432                                   tmp->desc ? tmp->desc : "");
6433                 if (res < 0 || res >= end - pos) {
6434                         *pos = '\0';
6435                         break;
6436                 }
6437                 pos += res;
6438         }
6439
6440         wpa_free_iface_info(iface);
6441
6442         return pos - buf;
6443 }
6444
6445
6446 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
6447                                                   char *buf, int len)
6448 {
6449         int res;
6450         char *pos, *end;
6451         struct wpa_supplicant *wpa_s;
6452
6453         wpa_s = global->ifaces;
6454         pos = buf;
6455         end = buf + len;
6456
6457         while (wpa_s) {
6458                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
6459                 if (res < 0 || res >= end - pos) {
6460                         *pos = '\0';
6461                         break;
6462                 }
6463                 pos += res;
6464                 wpa_s = wpa_s->next;
6465         }
6466         return pos - buf;
6467 }
6468
6469
6470 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
6471                                             const char *ifname,
6472                                             char *cmd, size_t *resp_len)
6473 {
6474         struct wpa_supplicant *wpa_s;
6475
6476         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6477                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
6478                         break;
6479         }
6480
6481         if (wpa_s == NULL) {
6482                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
6483                 if (resp)
6484                         *resp_len = os_strlen(resp);
6485                 else
6486                         *resp_len = 1;
6487                 return resp;
6488         }
6489
6490         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
6491 }
6492
6493
6494 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
6495                                                char *buf, size_t *resp_len)
6496 {
6497 #ifdef CONFIG_P2P
6498         static const char * cmd[] = {
6499                 "LIST_NETWORKS",
6500                 "SAVE_CONFIG",
6501                 "P2P_FIND",
6502                 "P2P_STOP_FIND",
6503                 "P2P_LISTEN",
6504                 "P2P_GROUP_ADD",
6505                 "P2P_GET_PASSPHRASE",
6506                 "P2P_SERVICE_UPDATE",
6507                 "P2P_SERVICE_FLUSH",
6508                 "P2P_FLUSH",
6509                 "P2P_CANCEL",
6510                 "P2P_PRESENCE_REQ",
6511                 "P2P_EXT_LISTEN",
6512                 NULL
6513         };
6514         static const char * prefix[] = {
6515 #ifdef ANDROID
6516                 "DRIVER ",
6517 #endif /* ANDROID */
6518                 "GET_NETWORK ",
6519                 "REMOVE_NETWORK ",
6520                 "SET ",
6521                 "P2P_FIND ",
6522                 "P2P_CONNECT ",
6523                 "P2P_LISTEN ",
6524                 "P2P_GROUP_REMOVE ",
6525                 "P2P_GROUP_ADD ",
6526                 "P2P_PROV_DISC ",
6527                 "P2P_SERV_DISC_REQ ",
6528                 "P2P_SERV_DISC_CANCEL_REQ ",
6529                 "P2P_SERV_DISC_RESP ",
6530                 "P2P_SERV_DISC_EXTERNAL ",
6531                 "P2P_SERVICE_ADD ",
6532                 "P2P_SERVICE_DEL ",
6533                 "P2P_REJECT ",
6534                 "P2P_INVITE ",
6535                 "P2P_PEER ",
6536                 "P2P_SET ",
6537                 "P2P_UNAUTHORIZE ",
6538                 "P2P_PRESENCE_REQ ",
6539                 "P2P_EXT_LISTEN ",
6540                 "P2P_REMOVE_CLIENT ",
6541                 NULL
6542         };
6543         int found = 0;
6544         int i;
6545
6546         if (global->p2p_init_wpa_s == NULL)
6547                 return NULL;
6548
6549         for (i = 0; !found && cmd[i]; i++) {
6550                 if (os_strcmp(buf, cmd[i]) == 0)
6551                         found = 1;
6552         }
6553
6554         for (i = 0; !found && prefix[i]; i++) {
6555                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
6556                         found = 1;
6557         }
6558
6559         if (found)
6560                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
6561                                                          buf, resp_len);
6562 #endif /* CONFIG_P2P */
6563         return NULL;
6564 }
6565
6566
6567 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
6568                                                char *buf, size_t *resp_len)
6569 {
6570 #ifdef CONFIG_WIFI_DISPLAY
6571         if (global->p2p_init_wpa_s == NULL)
6572                 return NULL;
6573         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
6574             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
6575                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
6576                                                          buf, resp_len);
6577 #endif /* CONFIG_WIFI_DISPLAY */
6578         return NULL;
6579 }
6580
6581
6582 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
6583                                            char *buf, size_t *resp_len)
6584 {
6585         char *ret;
6586
6587         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
6588         if (ret)
6589                 return ret;
6590
6591         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
6592         if (ret)
6593                 return ret;
6594
6595         return NULL;
6596 }
6597
6598
6599 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
6600 {
6601         char *value;
6602
6603         value = os_strchr(cmd, ' ');
6604         if (value == NULL)
6605                 return -1;
6606         *value++ = '\0';
6607
6608         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
6609
6610 #ifdef CONFIG_WIFI_DISPLAY
6611         if (os_strcasecmp(cmd, "wifi_display") == 0) {
6612                 wifi_display_enable(global, !!atoi(value));
6613                 return 0;
6614         }
6615 #endif /* CONFIG_WIFI_DISPLAY */
6616
6617         return -1;
6618 }
6619
6620
6621 #ifndef CONFIG_NO_CONFIG_WRITE
6622 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
6623 {
6624         int ret = 0;
6625         struct wpa_supplicant *wpa_s;
6626
6627         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6628                 if (!wpa_s->conf->update_config) {
6629                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
6630                         continue;
6631                 }
6632
6633                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
6634                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
6635                         ret = 1;
6636                 } else {
6637                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
6638                 }
6639         }
6640
6641         return ret;
6642 }
6643 #endif /* CONFIG_NO_CONFIG_WRITE */
6644
6645
6646 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
6647                                          char *buf, size_t buflen)
6648 {
6649         char *pos, *end;
6650         int ret;
6651         struct wpa_supplicant *wpa_s;
6652
6653         pos = buf;
6654         end = buf + buflen;
6655
6656 #ifdef CONFIG_P2P
6657         if (global->p2p && !global->p2p_disabled) {
6658                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
6659                                   "\n"
6660                                   "p2p_state=%s\n",
6661                                   MAC2STR(global->p2p_dev_addr),
6662                                   p2p_get_state_txt(global->p2p));
6663                 if (ret < 0 || ret >= end - pos)
6664                         return pos - buf;
6665                 pos += ret;
6666         } else if (global->p2p) {
6667                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
6668                 if (ret < 0 || ret >= end - pos)
6669                         return pos - buf;
6670                 pos += ret;
6671         }
6672 #endif /* CONFIG_P2P */
6673
6674 #ifdef CONFIG_WIFI_DISPLAY
6675         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
6676                           !!global->wifi_display);
6677         if (ret < 0 || ret >= end - pos)
6678                 return pos - buf;
6679         pos += ret;
6680 #endif /* CONFIG_WIFI_DISPLAY */
6681
6682         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6683                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
6684                                   "address=" MACSTR "\n",
6685                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
6686                 if (ret < 0 || ret >= end - pos)
6687                         return pos - buf;
6688                 pos += ret;
6689         }
6690
6691         return pos - buf;
6692 }
6693
6694
6695 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
6696                                                 char *buf, size_t *resp_len)
6697 {
6698         char *reply;
6699         const int reply_size = 2048;
6700         int reply_len;
6701         int level = MSG_DEBUG;
6702
6703         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
6704                 char *pos = os_strchr(buf + 7, ' ');
6705                 if (pos) {
6706                         *pos++ = '\0';
6707                         return wpas_global_ctrl_iface_ifname(global,
6708                                                              buf + 7, pos,
6709                                                              resp_len);
6710                 }
6711         }
6712
6713         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
6714         if (reply)
6715                 return reply;
6716
6717         if (os_strcmp(buf, "PING") == 0)
6718                 level = MSG_EXCESSIVE;
6719         wpa_hexdump_ascii(level, "RX global ctrl_iface",
6720                           (const u8 *) buf, os_strlen(buf));
6721
6722         reply = os_malloc(reply_size);
6723         if (reply == NULL) {
6724                 *resp_len = 1;
6725                 return NULL;
6726         }
6727
6728         os_memcpy(reply, "OK\n", 3);
6729         reply_len = 3;
6730
6731         if (os_strcmp(buf, "PING") == 0) {
6732                 os_memcpy(reply, "PONG\n", 5);
6733                 reply_len = 5;
6734         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
6735                 if (wpa_supplicant_global_iface_add(global, buf + 14))
6736                         reply_len = -1;
6737         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
6738                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
6739                         reply_len = -1;
6740         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
6741                 reply_len = wpa_supplicant_global_iface_list(
6742                         global, reply, reply_size);
6743         } else if (os_strcmp(buf, "INTERFACES") == 0) {
6744                 reply_len = wpa_supplicant_global_iface_interfaces(
6745                         global, reply, reply_size);
6746         } else if (os_strcmp(buf, "TERMINATE") == 0) {
6747                 wpa_supplicant_terminate_proc(global);
6748         } else if (os_strcmp(buf, "SUSPEND") == 0) {
6749                 wpas_notify_suspend(global);
6750         } else if (os_strcmp(buf, "RESUME") == 0) {
6751                 wpas_notify_resume(global);
6752         } else if (os_strncmp(buf, "SET ", 4) == 0) {
6753                 if (wpas_global_ctrl_iface_set(global, buf + 4))
6754                         reply_len = -1;
6755 #ifndef CONFIG_NO_CONFIG_WRITE
6756         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
6757                 if (wpas_global_ctrl_iface_save_config(global))
6758                         reply_len = -1;
6759 #endif /* CONFIG_NO_CONFIG_WRITE */
6760         } else if (os_strcmp(buf, "STATUS") == 0) {
6761                 reply_len = wpas_global_ctrl_iface_status(global, reply,
6762                                                           reply_size);
6763         } else {
6764                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
6765                 reply_len = 16;
6766         }
6767
6768         if (reply_len < 0) {
6769                 os_memcpy(reply, "FAIL\n", 5);
6770                 reply_len = 5;
6771         }
6772
6773         *resp_len = reply_len;
6774         return reply;
6775 }