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                 int enabled = !!atoi(value);
 444                 if (enabled && !wpa_s->global->p2p)
 445                         ret = -1;
 446                 else
 447                         wifi_display_enable(wpa_s->global, enabled);
 448 #endif /* CONFIG_WIFI_DISPLAY */
 449         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
 450                 ret = set_bssid_filter(wpa_s, value);
 451         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
 452                 ret = set_disallow_aps(wpa_s, value);
 453         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
 454                 wpa_s->no_keep_alive = !!atoi(value);
 455         } else {
 456                 value[-1] = '=';
 457                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
 458                 if (ret == 0)
 459                         wpa_supplicant_update_config(wpa_s);
 460         }
 461
 462         return ret;
 463 }
 464
 465
 466 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
 467                                          char *cmd, char *buf, size_t buflen)
 468 {
 469         int res = -1;
 470
 471         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
 472
 473         if (os_strcmp(cmd, "version") == 0) {
 474                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
 475         } else if (os_strcasecmp(cmd, "country") == 0) {
 476                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
 477                         res = os_snprintf(buf, buflen, "%c%c",
 478                                           wpa_s->conf->country[0],
 479                                           wpa_s->conf->country[1]);
 480 #ifdef CONFIG_WIFI_DISPLAY
 481         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 482                 int enabled;
 483                 if (wpa_s->global->p2p == NULL ||
 484                     wpa_s->global->p2p_disabled)
 485                         enabled = 0;
 486                 else
 487                         enabled = wpa_s->global->wifi_display;
 488                 res = os_snprintf(buf, buflen, "%d", enabled);
 489                 if (res < 0 || (unsigned int) res >= buflen)
 490                         return -1;
 491                 return res;
 492 #endif /* CONFIG_WIFI_DISPLAY */
 493 #ifdef CONFIG_TESTING_GET_GTK
 494         } else if (os_strcmp(cmd, "gtk") == 0) {
 495                 if (wpa_s->last_gtk_len == 0)
 496                         return -1;
 497                 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
 498                                        wpa_s->last_gtk_len);
 499                 return res;
 500 #endif /* CONFIG_TESTING_GET_GTK */
 501         }
 502
 503         if (res < 0 || (unsigned int) res >= buflen)
 504                 return -1;
 505         return res;
 506 }
 507
 508
 509 #ifdef IEEE8021X_EAPOL
 510 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
 511                                              char *addr)
 512 {
 513         u8 bssid[ETH_ALEN];
 514         struct wpa_ssid *ssid = wpa_s->current_ssid;
 515
 516         if (hwaddr_aton(addr, bssid)) {
 517                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
 518                            "'%s'", addr);
 519                 return -1;
 520         }
 521
 522         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
 523         rsn_preauth_deinit(wpa_s->wpa);
 524         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
 525                 return -1;
 526
 527         return 0;
 528 }
 529 #endif /* IEEE8021X_EAPOL */
 530
 531
 532 #ifdef CONFIG_PEERKEY
 533 /* MLME-STKSTART.request(peer) */
 534 static int wpa_supplicant_ctrl_iface_stkstart(
 535         struct wpa_supplicant *wpa_s, char *addr)
 536 {
 537         u8 peer[ETH_ALEN];
 538
 539         if (hwaddr_aton(addr, peer)) {
 540                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
 541                            "address '%s'", addr);
 542                 return -1;
 543         }
 544
 545         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
 546                    MAC2STR(peer));
 547
 548         return wpa_sm_stkstart(wpa_s->wpa, peer);
 549 }
 550 #endif /* CONFIG_PEERKEY */
 551
 552
 553 #ifdef CONFIG_TDLS
 554
 555 static int wpa_supplicant_ctrl_iface_tdls_discover(
 556         struct wpa_supplicant *wpa_s, char *addr)
 557 {
 558         u8 peer[ETH_ALEN];
 559         int ret;
 560
 561         if (hwaddr_aton(addr, peer)) {
 562                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
 563                            "address '%s'", addr);
 564                 return -1;
 565         }
 566
 567         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
 568                    MAC2STR(peer));
 569
 570         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 571                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
 572         else
 573                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
 574
 575         return ret;
 576 }
 577
 578
 579 static int wpa_supplicant_ctrl_iface_tdls_setup(
 580         struct wpa_supplicant *wpa_s, char *addr)
 581 {
 582         u8 peer[ETH_ALEN];
 583         int ret;
 584
 585         if (hwaddr_aton(addr, peer)) {
 586                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
 587                            "address '%s'", addr);
 588                 return -1;
 589         }
 590
 591         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
 592                    MAC2STR(peer));
 593
 594         if ((wpa_s->conf->tdls_external_control) &&
 595             wpa_tdls_is_external_setup(wpa_s->wpa))
 596                 return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 597
 598         wpa_tdls_remove(wpa_s->wpa, peer);
 599
 600         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 601                 ret = wpa_tdls_start(wpa_s->wpa, peer);
 602         else
 603                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 604
 605         return ret;
 606 }
 607
 608
 609 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 610         struct wpa_supplicant *wpa_s, char *addr)
 611 {
 612         u8 peer[ETH_ALEN];
 613         int ret;
 614
 615         if (hwaddr_aton(addr, peer)) {
 616                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 617                            "address '%s'", addr);
 618                 return -1;
 619         }
 620
 621         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 622                    MAC2STR(peer));
 623
 624         if ((wpa_s->conf->tdls_external_control) &&
 625             wpa_tdls_is_external_setup(wpa_s->wpa))
 626                 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 627
 628         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 629                 ret = wpa_tdls_teardown_link(
 630                         wpa_s->wpa, peer,
 631                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 632         else
 633                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 634
 635         return ret;
 636 }
 637
 638 #endif /* CONFIG_TDLS */
 639
 640
 641 #ifdef CONFIG_IEEE80211R
 642 static int wpa_supplicant_ctrl_iface_ft_ds(
 643         struct wpa_supplicant *wpa_s, char *addr)
 644 {
 645         u8 target_ap[ETH_ALEN];
 646         struct wpa_bss *bss;
 647         const u8 *mdie;
 648
 649         if (hwaddr_aton(addr, target_ap)) {
 650                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 651                            "address '%s'", addr);
 652                 return -1;
 653         }
 654
 655         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 656
 657         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 658         if (bss)
 659                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 660         else
 661                 mdie = NULL;
 662
 663         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 664 }
 665 #endif /* CONFIG_IEEE80211R */
 666
 667
 668 #ifdef CONFIG_WPS
 669 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 670                                              char *cmd)
 671 {
 672         u8 bssid[ETH_ALEN], *_bssid = bssid;
 673 #ifdef CONFIG_P2P
 674         u8 p2p_dev_addr[ETH_ALEN];
 675 #endif /* CONFIG_P2P */
 676 #ifdef CONFIG_AP
 677         u8 *_p2p_dev_addr = NULL;
 678 #endif /* CONFIG_AP */
 679
 680         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 681                 _bssid = NULL;
 682 #ifdef CONFIG_P2P
 683         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 684                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 685                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 686                                    "P2P Device Address '%s'",
 687                                    cmd + 13);
 688                         return -1;
 689                 }
 690                 _p2p_dev_addr = p2p_dev_addr;
 691 #endif /* CONFIG_P2P */
 692         } else if (hwaddr_aton(cmd, bssid)) {
 693                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 694                            cmd);
 695                 return -1;
 696         }
 697
 698 #ifdef CONFIG_AP
 699         if (wpa_s->ap_iface)
 700                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 701 #endif /* CONFIG_AP */
 702
 703         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 704 }
 705
 706
 707 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 708                                              char *cmd, char *buf,
 709                                              size_t buflen)
 710 {
 711         u8 bssid[ETH_ALEN], *_bssid = bssid;
 712         char *pin;
 713         int ret;
 714
 715         pin = os_strchr(cmd, ' ');
 716         if (pin)
 717                 *pin++ = '\0';
 718
 719         if (os_strcmp(cmd, "any") == 0)
 720                 _bssid = NULL;
 721         else if (os_strcmp(cmd, "get") == 0) {
 722                 ret = wps_generate_pin();
 723                 goto done;
 724         } else if (hwaddr_aton(cmd, bssid)) {
 725                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 726                            cmd);
 727                 return -1;
 728         }
 729
 730 #ifdef CONFIG_AP
 731         if (wpa_s->ap_iface) {
 732                 int timeout = 0;
 733                 char *pos;
 734
 735                 if (pin) {
 736                         pos = os_strchr(pin, ' ');
 737                         if (pos) {
 738                                 *pos++ = '\0';
 739                                 timeout = atoi(pos);
 740                         }
 741                 }
 742
 743                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 744                                                  buf, buflen, timeout);
 745         }
 746 #endif /* CONFIG_AP */
 747
 748         if (pin) {
 749                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 750                                          DEV_PW_DEFAULT);
 751                 if (ret < 0)
 752                         return -1;
 753                 ret = os_snprintf(buf, buflen, "%s", pin);
 754                 if (ret < 0 || (size_t) ret >= buflen)
 755                         return -1;
 756                 return ret;
 757         }
 758
 759         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 760         if (ret < 0)
 761                 return -1;
 762
 763 done:
 764         /* Return the generated PIN */
 765         ret = os_snprintf(buf, buflen, "%08d", ret);
 766         if (ret < 0 || (size_t) ret >= buflen)
 767                 return -1;
 768         return ret;
 769 }
 770
 771
 772 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 773         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 774 {
 775         char pin[9];
 776         size_t len;
 777         char *pos;
 778         int ret;
 779
 780         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
 781                               (u8 *) cmd, os_strlen(cmd));
 782         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
 783                 if (*pos < '0' || *pos > '9')
 784                         continue;
 785                 pin[len++] = *pos;
 786                 if (len == 9) {
 787                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
 788                         return -1;
 789                 }
 790         }
 791         if (len != 4 && len != 8) {
 792                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
 793                 return -1;
 794         }
 795         pin[len] = '\0';
 796
 797         if (len == 8) {
 798                 unsigned int pin_val;
 799                 pin_val = atoi(pin);
 800                 if (!wps_pin_valid(pin_val)) {
 801                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
 802                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
 803                         if (ret < 0 || (size_t) ret >= buflen)
 804                                 return -1;
 805                         return ret;
 806                 }
 807         }
 808
 809         ret = os_snprintf(buf, buflen, "%s", pin);
 810         if (ret < 0 || (size_t) ret >= buflen)
 811                 return -1;
 812
 813         return ret;
 814 }
 815
 816
 817 #ifdef CONFIG_WPS_NFC
 818
 819 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
 820                                              char *cmd)
 821 {
 822         u8 bssid[ETH_ALEN], *_bssid = bssid;
 823
 824         if (cmd == NULL || cmd[0] == '\0')
 825                 _bssid = NULL;
 826         else if (hwaddr_aton(cmd, bssid))
 827                 return -1;
 828
 829         return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
 830                                   0, 0);
 831 }
 832
 833
 834 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
 835         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 836 {
 837         int ndef;
 838         struct wpabuf *buf;
 839         int res;
 840         char *pos;
 841
 842         pos = os_strchr(cmd, ' ');
 843         if (pos)
 844                 *pos++ = '\0';
 845         if (os_strcmp(cmd, "WPS") == 0)
 846                 ndef = 0;
 847         else if (os_strcmp(cmd, "NDEF") == 0)
 848                 ndef = 1;
 849         else
 850                 return -1;
 851
 852         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
 853         if (buf == NULL)
 854                 return -1;
 855
 856         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 857                                          wpabuf_len(buf));
 858         reply[res++] = '\n';
 859         reply[res] = '\0';
 860
 861         wpabuf_free(buf);
 862
 863         return res;
 864 }
 865
 866
 867 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
 868         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 869 {
 870         int ndef;
 871         struct wpabuf *buf;
 872         int res;
 873
 874         if (os_strcmp(cmd, "WPS") == 0)
 875                 ndef = 0;
 876         else if (os_strcmp(cmd, "NDEF") == 0)
 877                 ndef = 1;
 878         else
 879                 return -1;
 880
 881         buf = wpas_wps_nfc_token(wpa_s, ndef);
 882         if (buf == NULL)
 883                 return -1;
 884
 885         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 886                                          wpabuf_len(buf));
 887         reply[res++] = '\n';
 888         reply[res] = '\0';
 889
 890         wpabuf_free(buf);
 891
 892         return res;
 893 }
 894
 895
 896 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
 897         struct wpa_supplicant *wpa_s, char *pos)
 898 {
 899         size_t len;
 900         struct wpabuf *buf;
 901         int ret;
 902         char *freq;
 903         int forced_freq = 0;
 904
 905         freq = strstr(pos, " freq=");
 906         if (freq) {
 907                 *freq = '\0';
 908                 freq += 6;
 909                 forced_freq = atoi(freq);
 910         }
 911
 912         len = os_strlen(pos);
 913         if (len & 0x01)
 914                 return -1;
 915         len /= 2;
 916
 917         buf = wpabuf_alloc(len);
 918         if (buf == NULL)
 919                 return -1;
 920         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
 921                 wpabuf_free(buf);
 922                 return -1;
 923         }
 924
 925         ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
 926         wpabuf_free(buf);
 927
 928         return ret;
 929 }
 930
 931
 932 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
 933                                               char *reply, size_t max_len,
 934                                               int ndef)
 935 {
 936         struct wpabuf *buf;
 937         int res;
 938
 939         buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
 940         if (buf == NULL)
 941                 return -1;
 942
 943         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 944                                          wpabuf_len(buf));
 945         reply[res++] = '\n';
 946         reply[res] = '\0';
 947
 948         wpabuf_free(buf);
 949
 950         return res;
 951 }
 952
 953
 954 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
 955                                               char *reply, size_t max_len,
 956                                               int ndef)
 957 {
 958         struct wpabuf *buf;
 959         int res;
 960
 961         buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
 962         if (buf == NULL) {
 963                 wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
 964                 return -1;
 965         }
 966
 967         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 968                                          wpabuf_len(buf));
 969         reply[res++] = '\n';
 970         reply[res] = '\0';
 971
 972         wpabuf_free(buf);
 973
 974         return res;
 975 }
 976
 977
 978 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
 979                                           char *cmd, char *reply,
 980                                           size_t max_len)
 981 {
 982         char *pos;
 983         int ndef;
 984
 985         pos = os_strchr(cmd, ' ');
 986         if (pos == NULL)
 987                 return -1;
 988         *pos++ = '\0';
 989
 990         if (os_strcmp(cmd, "WPS") == 0)
 991                 ndef = 0;
 992         else if (os_strcmp(cmd, "NDEF") == 0)
 993                 ndef = 1;
 994         else
 995                 return -1;
 996
 997         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
 998                 if (!ndef)
 999                         return -1;
1000                 return wpas_ctrl_nfc_get_handover_req_wps(
1001                         wpa_s, reply, max_len, ndef);
1002         }
1003
1004         if (os_strcmp(pos, "P2P-CR") == 0) {
1005                 return wpas_ctrl_nfc_get_handover_req_p2p(
1006                         wpa_s, reply, max_len, ndef);
1007         }
1008
1009         return -1;
1010 }
1011
1012
1013 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1014                                               char *reply, size_t max_len,
1015                                               int ndef, int cr, char *uuid)
1016 {
1017         struct wpabuf *buf;
1018         int res;
1019
1020         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1021         if (buf == NULL)
1022                 return -1;
1023
1024         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1025                                          wpabuf_len(buf));
1026         reply[res++] = '\n';
1027         reply[res] = '\0';
1028
1029         wpabuf_free(buf);
1030
1031         return res;
1032 }
1033
1034
1035 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1036                                               char *reply, size_t max_len,
1037                                               int ndef, int tag)
1038 {
1039         struct wpabuf *buf;
1040         int res;
1041
1042         buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1043         if (buf == NULL)
1044                 return -1;
1045
1046         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1047                                          wpabuf_len(buf));
1048         reply[res++] = '\n';
1049         reply[res] = '\0';
1050
1051         wpabuf_free(buf);
1052
1053         return res;
1054 }
1055
1056
1057 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1058                                           char *cmd, char *reply,
1059                                           size_t max_len)
1060 {
1061         char *pos, *pos2;
1062         int ndef;
1063
1064         pos = os_strchr(cmd, ' ');
1065         if (pos == NULL)
1066                 return -1;
1067         *pos++ = '\0';
1068
1069         if (os_strcmp(cmd, "WPS") == 0)
1070                 ndef = 0;
1071         else if (os_strcmp(cmd, "NDEF") == 0)
1072                 ndef = 1;
1073         else
1074                 return -1;
1075
1076         pos2 = os_strchr(pos, ' ');
1077         if (pos2)
1078                 *pos2++ = '\0';
1079         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1080                 if (!ndef)
1081                         return -1;
1082                 return wpas_ctrl_nfc_get_handover_sel_wps(
1083                         wpa_s, reply, max_len, ndef,
1084                         os_strcmp(pos, "WPS-CR") == 0, pos2);
1085         }
1086
1087         if (os_strcmp(pos, "P2P-CR") == 0) {
1088                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1089                         wpa_s, reply, max_len, ndef, 0);
1090         }
1091
1092         if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1093                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1094                         wpa_s, reply, max_len, ndef, 1);
1095         }
1096
1097         return -1;
1098 }
1099
1100
1101 static int wpas_ctrl_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
1102                                          char *cmd, char *reply,
1103                                          size_t max_len)
1104 {
1105         size_t len;
1106         struct wpabuf *buf;
1107         int ret;
1108
1109         len = os_strlen(cmd);
1110         if (len & 0x01)
1111                 return -1;
1112         len /= 2;
1113
1114         buf = wpabuf_alloc(len);
1115         if (buf == NULL)
1116                 return -1;
1117         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
1118                 wpabuf_free(buf);
1119                 return -1;
1120         }
1121
1122         ret = wpas_wps_nfc_rx_handover_req(wpa_s, buf);
1123         wpabuf_free(buf);
1124
1125         return ret;
1126 }
1127
1128
1129 static int wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
1130                                          char *cmd)
1131 {
1132         size_t len;
1133         struct wpabuf *buf;
1134         int ret;
1135
1136         len = os_strlen(cmd);
1137         if (len & 0x01)
1138                 return -1;
1139         len /= 2;
1140
1141         buf = wpabuf_alloc(len);
1142         if (buf == NULL)
1143                 return -1;
1144         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
1145                 wpabuf_free(buf);
1146                 return -1;
1147         }
1148
1149         ret = wpas_wps_nfc_rx_handover_sel(wpa_s, buf);
1150         wpabuf_free(buf);
1151
1152         return ret;
1153 }
1154
1155
1156 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1157                                          char *cmd)
1158 {
1159         size_t len;
1160         struct wpabuf *req, *sel;
1161         int ret;
1162         char *pos, *role, *type, *pos2;
1163         char *freq;
1164         int forced_freq = 0;
1165
1166         freq = strstr(cmd, " freq=");
1167         if (freq) {
1168                 *freq = '\0';
1169                 freq += 6;
1170                 forced_freq = atoi(freq);
1171         }
1172
1173         role = cmd;
1174         pos = os_strchr(role, ' ');
1175         if (pos == NULL) {
1176                 wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1177                 return -1;
1178         }
1179         *pos++ = '\0';
1180
1181         type = pos;
1182         pos = os_strchr(type, ' ');
1183         if (pos == NULL) {
1184                 wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1185                 return -1;
1186         }
1187         *pos++ = '\0';
1188
1189         pos2 = os_strchr(pos, ' ');
1190         if (pos2 == NULL) {
1191                 wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1192                 return -1;
1193         }
1194         *pos2++ = '\0';
1195
1196         len = os_strlen(pos);
1197         if (len & 0x01) {
1198                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1199                 return -1;
1200         }
1201         len /= 2;
1202
1203         req = wpabuf_alloc(len);
1204         if (req == NULL) {
1205                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1206                 return -1;
1207         }
1208         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1209                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1210                 wpabuf_free(req);
1211                 return -1;
1212         }
1213
1214         len = os_strlen(pos2);
1215         if (len & 0x01) {
1216                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1217                 wpabuf_free(req);
1218                 return -1;
1219         }
1220         len /= 2;
1221
1222         sel = wpabuf_alloc(len);
1223         if (sel == NULL) {
1224                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1225                 wpabuf_free(req);
1226                 return -1;
1227         }
1228         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1229                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1230                 wpabuf_free(req);
1231                 wpabuf_free(sel);
1232                 return -1;
1233         }
1234
1235         wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1236                    role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1237
1238         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1239                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1240         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1241         {
1242                 ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1243                 if (ret < 0)
1244                         ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1245         } else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1246         {
1247                 ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1248         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1249         {
1250                 ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1251                                                    forced_freq);
1252         } else {
1253                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1254                            "reported: role=%s type=%s", role, type);
1255                 ret = -1;
1256         }
1257         wpabuf_free(req);
1258         wpabuf_free(sel);
1259
1260         if (ret)
1261                 wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1262
1263         return ret;
1264 }
1265
1266 #endif /* CONFIG_WPS_NFC */
1267
1268
1269 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1270                                              char *cmd)
1271 {
1272         u8 bssid[ETH_ALEN];
1273         char *pin;
1274         char *new_ssid;
1275         char *new_auth;
1276         char *new_encr;
1277         char *new_key;
1278         struct wps_new_ap_settings ap;
1279
1280         pin = os_strchr(cmd, ' ');
1281         if (pin == NULL)
1282                 return -1;
1283         *pin++ = '\0';
1284
1285         if (hwaddr_aton(cmd, bssid)) {
1286                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1287                            cmd);
1288                 return -1;
1289         }
1290
1291         new_ssid = os_strchr(pin, ' ');
1292         if (new_ssid == NULL)
1293                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1294         *new_ssid++ = '\0';
1295
1296         new_auth = os_strchr(new_ssid, ' ');
1297         if (new_auth == NULL)
1298                 return -1;
1299         *new_auth++ = '\0';
1300
1301         new_encr = os_strchr(new_auth, ' ');
1302         if (new_encr == NULL)
1303                 return -1;
1304         *new_encr++ = '\0';
1305
1306         new_key = os_strchr(new_encr, ' ');
1307         if (new_key == NULL)
1308                 return -1;
1309         *new_key++ = '\0';
1310
1311         os_memset(&ap, 0, sizeof(ap));
1312         ap.ssid_hex = new_ssid;
1313         ap.auth = new_auth;
1314         ap.encr = new_encr;
1315         ap.key_hex = new_key;
1316         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1317 }
1318
1319
1320 #ifdef CONFIG_AP
1321 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1322                                                 char *cmd, char *buf,
1323                                                 size_t buflen)
1324 {
1325         int timeout = 300;
1326         char *pos;
1327         const char *pin_txt;
1328
1329         if (!wpa_s->ap_iface)
1330                 return -1;
1331
1332         pos = os_strchr(cmd, ' ');
1333         if (pos)
1334                 *pos++ = '\0';
1335
1336         if (os_strcmp(cmd, "disable") == 0) {
1337                 wpas_wps_ap_pin_disable(wpa_s);
1338                 return os_snprintf(buf, buflen, "OK\n");
1339         }
1340
1341         if (os_strcmp(cmd, "random") == 0) {
1342                 if (pos)
1343                         timeout = atoi(pos);
1344                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1345                 if (pin_txt == NULL)
1346                         return -1;
1347                 return os_snprintf(buf, buflen, "%s", pin_txt);
1348         }
1349
1350         if (os_strcmp(cmd, "get") == 0) {
1351                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1352                 if (pin_txt == NULL)
1353                         return -1;
1354                 return os_snprintf(buf, buflen, "%s", pin_txt);
1355         }
1356
1357         if (os_strcmp(cmd, "set") == 0) {
1358                 char *pin;
1359                 if (pos == NULL)
1360                         return -1;
1361                 pin = pos;
1362                 pos = os_strchr(pos, ' ');
1363                 if (pos) {
1364                         *pos++ = '\0';
1365                         timeout = atoi(pos);
1366                 }
1367                 if (os_strlen(pin) > buflen)
1368                         return -1;
1369                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1370                         return -1;
1371                 return os_snprintf(buf, buflen, "%s", pin);
1372         }
1373
1374         return -1;
1375 }
1376 #endif /* CONFIG_AP */
1377
1378
1379 #ifdef CONFIG_WPS_ER
1380 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1381                                                 char *cmd)
1382 {
1383         char *uuid = cmd, *pin, *pos;
1384         u8 addr_buf[ETH_ALEN], *addr = NULL;
1385         pin = os_strchr(uuid, ' ');
1386         if (pin == NULL)
1387                 return -1;
1388         *pin++ = '\0';
1389         pos = os_strchr(pin, ' ');
1390         if (pos) {
1391                 *pos++ = '\0';
1392                 if (hwaddr_aton(pos, addr_buf) == 0)
1393                         addr = addr_buf;
1394         }
1395         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1396 }
1397
1398
1399 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1400                                                   char *cmd)
1401 {
1402         char *uuid = cmd, *pin;
1403         pin = os_strchr(uuid, ' ');
1404         if (pin == NULL)
1405                 return -1;
1406         *pin++ = '\0';
1407         return wpas_wps_er_learn(wpa_s, uuid, pin);
1408 }
1409
1410
1411 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1412         struct wpa_supplicant *wpa_s, char *cmd)
1413 {
1414         char *uuid = cmd, *id;
1415         id = os_strchr(uuid, ' ');
1416         if (id == NULL)
1417                 return -1;
1418         *id++ = '\0';
1419         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1420 }
1421
1422
1423 static int wpa_supplicant_ctrl_iface_wps_er_config(
1424         struct wpa_supplicant *wpa_s, char *cmd)
1425 {
1426         char *pin;
1427         char *new_ssid;
1428         char *new_auth;
1429         char *new_encr;
1430         char *new_key;
1431         struct wps_new_ap_settings ap;
1432
1433         pin = os_strchr(cmd, ' ');
1434         if (pin == NULL)
1435                 return -1;
1436         *pin++ = '\0';
1437
1438         new_ssid = os_strchr(pin, ' ');
1439         if (new_ssid == NULL)
1440                 return -1;
1441         *new_ssid++ = '\0';
1442
1443         new_auth = os_strchr(new_ssid, ' ');
1444         if (new_auth == NULL)
1445                 return -1;
1446         *new_auth++ = '\0';
1447
1448         new_encr = os_strchr(new_auth, ' ');
1449         if (new_encr == NULL)
1450                 return -1;
1451         *new_encr++ = '\0';
1452
1453         new_key = os_strchr(new_encr, ' ');
1454         if (new_key == NULL)
1455                 return -1;
1456         *new_key++ = '\0';
1457
1458         os_memset(&ap, 0, sizeof(ap));
1459         ap.ssid_hex = new_ssid;
1460         ap.auth = new_auth;
1461         ap.encr = new_encr;
1462         ap.key_hex = new_key;
1463         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1464 }
1465
1466
1467 #ifdef CONFIG_WPS_NFC
1468 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1469         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1470 {
1471         int ndef;
1472         struct wpabuf *buf;
1473         int res;
1474         char *uuid;
1475
1476         uuid = os_strchr(cmd, ' ');
1477         if (uuid == NULL)
1478                 return -1;
1479         *uuid++ = '\0';
1480
1481         if (os_strcmp(cmd, "WPS") == 0)
1482                 ndef = 0;
1483         else if (os_strcmp(cmd, "NDEF") == 0)
1484                 ndef = 1;
1485         else
1486                 return -1;
1487
1488         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1489         if (buf == NULL)
1490                 return -1;
1491
1492         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1493                                          wpabuf_len(buf));
1494         reply[res++] = '\n';
1495         reply[res] = '\0';
1496
1497         wpabuf_free(buf);
1498
1499         return res;
1500 }
1501 #endif /* CONFIG_WPS_NFC */
1502 #endif /* CONFIG_WPS_ER */
1503
1504 #endif /* CONFIG_WPS */
1505
1506
1507 #ifdef CONFIG_IBSS_RSN
1508 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1509         struct wpa_supplicant *wpa_s, char *addr)
1510 {
1511         u8 peer[ETH_ALEN];
1512
1513         if (hwaddr_aton(addr, peer)) {
1514                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1515                            "address '%s'", addr);
1516                 return -1;
1517         }
1518
1519         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1520                    MAC2STR(peer));
1521
1522         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1523 }
1524 #endif /* CONFIG_IBSS_RSN */
1525
1526
1527 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1528                                               char *rsp)
1529 {
1530 #ifdef IEEE8021X_EAPOL
1531         char *pos, *id_pos;
1532         int id;
1533         struct wpa_ssid *ssid;
1534
1535         pos = os_strchr(rsp, '-');
1536         if (pos == NULL)
1537                 return -1;
1538         *pos++ = '\0';
1539         id_pos = pos;
1540         pos = os_strchr(pos, ':');
1541         if (pos == NULL)
1542                 return -1;
1543         *pos++ = '\0';
1544         id = atoi(id_pos);
1545         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1546         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1547                               (u8 *) pos, os_strlen(pos));
1548
1549         ssid = wpa_config_get_network(wpa_s->conf, id);
1550         if (ssid == NULL) {
1551                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1552                            "to update", id);
1553                 return -1;
1554         }
1555
1556         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1557                                                          pos);
1558 #else /* IEEE8021X_EAPOL */
1559         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1560         return -1;
1561 #endif /* IEEE8021X_EAPOL */
1562 }
1563
1564
1565 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1566                                             const char *params,
1567                                             char *buf, size_t buflen)
1568 {
1569         char *pos, *end, tmp[30];
1570         int res, verbose, wps, ret;
1571
1572         if (os_strcmp(params, "-DRIVER") == 0)
1573                 return wpa_drv_status(wpa_s, buf, buflen);
1574         verbose = os_strcmp(params, "-VERBOSE") == 0;
1575         wps = os_strcmp(params, "-WPS") == 0;
1576         pos = buf;
1577         end = buf + buflen;
1578         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1579                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1580                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1581                                   MAC2STR(wpa_s->bssid));
1582                 if (ret < 0 || ret >= end - pos)
1583                         return pos - buf;
1584                 pos += ret;
1585                 if (ssid) {
1586                         u8 *_ssid = ssid->ssid;
1587                         size_t ssid_len = ssid->ssid_len;
1588                         u8 ssid_buf[MAX_SSID_LEN];
1589                         if (ssid_len == 0) {
1590                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1591                                 if (_res < 0)
1592                                         ssid_len = 0;
1593                                 else
1594                                         ssid_len = _res;
1595                                 _ssid = ssid_buf;
1596                         }
1597                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1598                                           wpa_ssid_txt(_ssid, ssid_len),
1599                                           ssid->id);
1600                         if (ret < 0 || ret >= end - pos)
1601                                 return pos - buf;
1602                         pos += ret;
1603
1604                         if (wps && ssid->passphrase &&
1605                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1606                             (ssid->mode == WPAS_MODE_AP ||
1607                              ssid->mode == WPAS_MODE_P2P_GO)) {
1608                                 ret = os_snprintf(pos, end - pos,
1609                                                   "passphrase=%s\n",
1610                                                   ssid->passphrase);
1611                                 if (ret < 0 || ret >= end - pos)
1612                                         return pos - buf;
1613                                 pos += ret;
1614                         }
1615                         if (ssid->id_str) {
1616                                 ret = os_snprintf(pos, end - pos,
1617                                                   "id_str=%s\n",
1618                                                   ssid->id_str);
1619                                 if (ret < 0 || ret >= end - pos)
1620                                         return pos - buf;
1621                                 pos += ret;
1622                         }
1623
1624                         switch (ssid->mode) {
1625                         case WPAS_MODE_INFRA:
1626                                 ret = os_snprintf(pos, end - pos,
1627                                                   "mode=station\n");
1628                                 break;
1629                         case WPAS_MODE_IBSS:
1630                                 ret = os_snprintf(pos, end - pos,
1631                                                   "mode=IBSS\n");
1632                                 break;
1633                         case WPAS_MODE_AP:
1634                                 ret = os_snprintf(pos, end - pos,
1635                                                   "mode=AP\n");
1636                                 break;
1637                         case WPAS_MODE_P2P_GO:
1638                                 ret = os_snprintf(pos, end - pos,
1639                                                   "mode=P2P GO\n");
1640                                 break;
1641                         case WPAS_MODE_P2P_GROUP_FORMATION:
1642                                 ret = os_snprintf(pos, end - pos,
1643                                                   "mode=P2P GO - group "
1644                                                   "formation\n");
1645                                 break;
1646                         default:
1647                                 ret = 0;
1648                                 break;
1649                         }
1650                         if (ret < 0 || ret >= end - pos)
1651                                 return pos - buf;
1652                         pos += ret;
1653                 }
1654
1655 #ifdef CONFIG_AP
1656                 if (wpa_s->ap_iface) {
1657                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1658                                                             end - pos,
1659                                                             verbose);
1660                 } else
1661 #endif /* CONFIG_AP */
1662                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1663         }
1664 #ifdef CONFIG_SAE
1665         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1666 #ifdef CONFIG_AP
1667             !wpa_s->ap_iface &&
1668 #endif /* CONFIG_AP */
1669             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1670                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1671                                   wpa_s->sme.sae.group);
1672                 if (ret < 0 || ret >= end - pos)
1673                         return pos - buf;
1674                 pos += ret;
1675         }
1676 #endif /* CONFIG_SAE */
1677         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1678                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1679         if (ret < 0 || ret >= end - pos)
1680                 return pos - buf;
1681         pos += ret;
1682
1683         if (wpa_s->l2 &&
1684             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1685                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1686                 if (ret < 0 || ret >= end - pos)
1687                         return pos - buf;
1688                 pos += ret;
1689         }
1690
1691 #ifdef CONFIG_P2P
1692         if (wpa_s->global->p2p) {
1693                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1694                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1695                 if (ret < 0 || ret >= end - pos)
1696                         return pos - buf;
1697                 pos += ret;
1698         }
1699 #endif /* CONFIG_P2P */
1700
1701         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1702                           MAC2STR(wpa_s->own_addr));
1703         if (ret < 0 || ret >= end - pos)
1704                 return pos - buf;
1705         pos += ret;
1706
1707 #ifdef CONFIG_HS20
1708         if (wpa_s->current_bss &&
1709             wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE) &&
1710             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1711             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1712                 ret = os_snprintf(pos, end - pos, "hs20=1\n");
1713                 if (ret < 0 || ret >= end - pos)
1714                         return pos - buf;
1715                 pos += ret;
1716         }
1717
1718         if (wpa_s->current_ssid) {
1719                 struct wpa_cred *cred;
1720                 char *type;
1721
1722                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1723                         size_t i;
1724
1725                         if (wpa_s->current_ssid->parent_cred != cred)
1726                                 continue;
1727
1728                         for (i = 0; cred->domain && i < cred->num_domain; i++) {
1729                                 ret = os_snprintf(pos, end - pos,
1730                                                   "home_sp=%s\n",
1731                                                   cred->domain[i]);
1732                                 if (ret < 0 || ret >= end - pos)
1733                                         return pos - buf;
1734                                 pos += ret;
1735                         }
1736
1737                         if (wpa_s->current_bss == NULL ||
1738                             wpa_s->current_bss->anqp == NULL)
1739                                 res = -1;
1740                         else
1741                                 res = interworking_home_sp_cred(
1742                                         wpa_s, cred,
1743                                         wpa_s->current_bss->anqp->domain_name);
1744                         if (res > 0)
1745                                 type = "home";
1746                         else if (res == 0)
1747                                 type = "roaming";
1748                         else
1749                                 type = "unknown";
1750
1751                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1752                         if (ret < 0 || ret >= end - pos)
1753                                 return pos - buf;
1754                         pos += ret;
1755
1756                         break;
1757                 }
1758         }
1759 #endif /* CONFIG_HS20 */
1760
1761         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1762             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1763                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1764                                           verbose);
1765                 if (res >= 0)
1766                         pos += res;
1767         }
1768
1769         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1770         if (res >= 0)
1771                 pos += res;
1772
1773 #ifdef CONFIG_WPS
1774         {
1775                 char uuid_str[100];
1776                 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
1777                 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
1778                 if (ret < 0 || ret >= end - pos)
1779                         return pos - buf;
1780                 pos += ret;
1781         }
1782 #endif /* CONFIG_WPS */
1783
1784 #ifdef ANDROID
1785         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
1786                      "id=%d state=%d BSSID=" MACSTR " SSID=%s",
1787                      wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
1788                      wpa_s->wpa_state,
1789                      MAC2STR(wpa_s->bssid),
1790                      wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
1791                      wpa_ssid_txt(wpa_s->current_ssid->ssid,
1792                                   wpa_s->current_ssid->ssid_len) : "");
1793         if (wpa_s->wpa_state == WPA_COMPLETED) {
1794                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1795                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
1796                              "- connection to " MACSTR
1797                              " completed %s [id=%d id_str=%s]",
1798                              MAC2STR(wpa_s->bssid), "(auth)",
1799                              ssid ? ssid->id : -1,
1800                              ssid && ssid->id_str ? ssid->id_str : "");
1801         }
1802 #endif /* ANDROID */
1803
1804         return pos - buf;
1805 }
1806
1807
1808 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1809                                            char *cmd)
1810 {
1811         char *pos;
1812         int id;
1813         struct wpa_ssid *ssid;
1814         u8 bssid[ETH_ALEN];
1815
1816         /* cmd: "<network id> <BSSID>" */
1817         pos = os_strchr(cmd, ' ');
1818         if (pos == NULL)
1819                 return -1;
1820         *pos++ = '\0';
1821         id = atoi(cmd);
1822         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1823         if (hwaddr_aton(pos, bssid)) {
1824                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1825                 return -1;
1826         }
1827
1828         ssid = wpa_config_get_network(wpa_s->conf, id);
1829         if (ssid == NULL) {
1830                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1831                            "to update", id);
1832                 return -1;
1833         }
1834
1835         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1836         ssid->bssid_set = !is_zero_ether_addr(bssid);
1837
1838         return 0;
1839 }
1840
1841
1842 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1843                                                char *cmd, char *buf,
1844                                                size_t buflen)
1845 {
1846         u8 bssid[ETH_ALEN];
1847         struct wpa_blacklist *e;
1848         char *pos, *end;
1849         int ret;
1850
1851         /* cmd: "BLACKLIST [<BSSID>]" */
1852         if (*cmd == '\0') {
1853                 pos = buf;
1854                 end = buf + buflen;
1855                 e = wpa_s->blacklist;
1856                 while (e) {
1857                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1858                                           MAC2STR(e->bssid));
1859                         if (ret < 0 || ret >= end - pos)
1860                                 return pos - buf;
1861                         pos += ret;
1862                         e = e->next;
1863                 }
1864                 return pos - buf;
1865         }
1866
1867         cmd++;
1868         if (os_strncmp(cmd, "clear", 5) == 0) {
1869                 wpa_blacklist_clear(wpa_s);
1870                 os_memcpy(buf, "OK\n", 3);
1871                 return 3;
1872         }
1873
1874         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1875         if (hwaddr_aton(cmd, bssid)) {
1876                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1877                 return -1;
1878         }
1879
1880         /*
1881          * Add the BSSID twice, so its count will be 2, causing it to be
1882          * skipped when processing scan results.
1883          */
1884         ret = wpa_blacklist_add(wpa_s, bssid);
1885         if (ret != 0)
1886                 return -1;
1887         ret = wpa_blacklist_add(wpa_s, bssid);
1888         if (ret != 0)
1889                 return -1;
1890         os_memcpy(buf, "OK\n", 3);
1891         return 3;
1892 }
1893
1894
1895 static const char * debug_level_str(int level)
1896 {
1897         switch (level) {
1898         case MSG_EXCESSIVE:
1899                 return "EXCESSIVE";
1900         case MSG_MSGDUMP:
1901                 return "MSGDUMP";
1902         case MSG_DEBUG:
1903                 return "DEBUG";
1904         case MSG_INFO:
1905                 return "INFO";
1906         case MSG_WARNING:
1907                 return "WARNING";
1908         case MSG_ERROR:
1909                 return "ERROR";
1910         default:
1911                 return "?";
1912         }
1913 }
1914
1915
1916 static int str_to_debug_level(const char *s)
1917 {
1918         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1919                 return MSG_EXCESSIVE;
1920         if (os_strcasecmp(s, "MSGDUMP") == 0)
1921                 return MSG_MSGDUMP;
1922         if (os_strcasecmp(s, "DEBUG") == 0)
1923                 return MSG_DEBUG;
1924         if (os_strcasecmp(s, "INFO") == 0)
1925                 return MSG_INFO;
1926         if (os_strcasecmp(s, "WARNING") == 0)
1927                 return MSG_WARNING;
1928         if (os_strcasecmp(s, "ERROR") == 0)
1929                 return MSG_ERROR;
1930         return -1;
1931 }
1932
1933
1934 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1935                                                char *cmd, char *buf,
1936                                                size_t buflen)
1937 {
1938         char *pos, *end, *stamp;
1939         int ret;
1940
1941         if (cmd == NULL) {
1942                 return -1;
1943         }
1944
1945         /* cmd: "LOG_LEVEL [<level>]" */
1946         if (*cmd == '\0') {
1947                 pos = buf;
1948                 end = buf + buflen;
1949                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1950                                   "Timestamp: %d\n",
1951                                   debug_level_str(wpa_debug_level),
1952                                   wpa_debug_timestamp);
1953                 if (ret < 0 || ret >= end - pos)
1954                         ret = 0;
1955
1956                 return ret;
1957         }
1958
1959         while (*cmd == ' ')
1960                 cmd++;
1961
1962         stamp = os_strchr(cmd, ' ');
1963         if (stamp) {
1964                 *stamp++ = '\0';
1965                 while (*stamp == ' ') {
1966                         stamp++;
1967                 }
1968         }
1969
1970         if (cmd && os_strlen(cmd)) {
1971                 int level = str_to_debug_level(cmd);
1972                 if (level < 0)
1973                         return -1;
1974                 wpa_debug_level = level;
1975         }
1976
1977         if (stamp && os_strlen(stamp))
1978                 wpa_debug_timestamp = atoi(stamp);
1979
1980         os_memcpy(buf, "OK\n", 3);
1981         return 3;
1982 }
1983
1984
1985 static int wpa_supplicant_ctrl_iface_list_networks(
1986         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1987 {
1988         char *pos, *end;
1989         struct wpa_ssid *ssid;
1990         int ret;
1991
1992         pos = buf;
1993         end = buf + buflen;
1994         ret = os_snprintf(pos, end - pos,
1995                           "network id / ssid / bssid / flags\n");
1996         if (ret < 0 || ret >= end - pos)
1997                 return pos - buf;
1998         pos += ret;
1999
2000         ssid = wpa_s->conf->ssid;
2001         while (ssid) {
2002                 ret = os_snprintf(pos, end - pos, "%d\t%s",
2003                                   ssid->id,
2004                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2005                 if (ret < 0 || ret >= end - pos)
2006                         return pos - buf;
2007                 pos += ret;
2008                 if (ssid->bssid_set) {
2009                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2010                                           MAC2STR(ssid->bssid));
2011                 } else {
2012                         ret = os_snprintf(pos, end - pos, "\tany");
2013                 }
2014                 if (ret < 0 || ret >= end - pos)
2015                         return pos - buf;
2016                 pos += ret;
2017                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2018                                   ssid == wpa_s->current_ssid ?
2019                                   "[CURRENT]" : "",
2020                                   ssid->disabled ? "[DISABLED]" : "",
2021                                   ssid->disabled_until.sec ?
2022                                   "[TEMP-DISABLED]" : "",
2023                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2024                                   "");
2025                 if (ret < 0 || ret >= end - pos)
2026                         return pos - buf;
2027                 pos += ret;
2028                 ret = os_snprintf(pos, end - pos, "\n");
2029                 if (ret < 0 || ret >= end - pos)
2030                         return pos - buf;
2031                 pos += ret;
2032
2033                 ssid = ssid->next;
2034         }
2035
2036         return pos - buf;
2037 }
2038
2039
2040 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2041 {
2042         int ret;
2043         ret = os_snprintf(pos, end - pos, "-");
2044         if (ret < 0 || ret >= end - pos)
2045                 return pos;
2046         pos += ret;
2047         ret = wpa_write_ciphers(pos, end, cipher, "+");
2048         if (ret < 0)
2049                 return pos;
2050         pos += ret;
2051         return pos;
2052 }
2053
2054
2055 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2056                                     const u8 *ie, size_t ie_len)
2057 {
2058         struct wpa_ie_data data;
2059         int first, ret;
2060
2061         ret = os_snprintf(pos, end - pos, "[%s-", proto);
2062         if (ret < 0 || ret >= end - pos)
2063                 return pos;
2064         pos += ret;
2065
2066         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2067                 ret = os_snprintf(pos, end - pos, "?]");
2068                 if (ret < 0 || ret >= end - pos)
2069                         return pos;
2070                 pos += ret;
2071                 return pos;
2072         }
2073
2074         first = 1;
2075         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2076                 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
2077                 if (ret < 0 || ret >= end - pos)
2078                         return pos;
2079                 pos += ret;
2080                 first = 0;
2081         }
2082         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2083                 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
2084                 if (ret < 0 || ret >= end - pos)
2085                         return pos;
2086                 pos += ret;
2087                 first = 0;
2088         }
2089         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2090                 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
2091                 if (ret < 0 || ret >= end - pos)
2092                         return pos;
2093                 pos += ret;
2094                 first = 0;
2095         }
2096 #ifdef CONFIG_IEEE80211R
2097         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2098                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2099                                   first ? "" : "+");
2100                 if (ret < 0 || ret >= end - pos)
2101                         return pos;
2102                 pos += ret;
2103                 first = 0;
2104         }
2105         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2106                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2107                                   first ? "" : "+");
2108                 if (ret < 0 || ret >= end - pos)
2109                         return pos;
2110                 pos += ret;
2111                 first = 0;
2112         }
2113 #endif /* CONFIG_IEEE80211R */
2114 #ifdef CONFIG_IEEE80211W
2115         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2116                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2117                                   first ? "" : "+");
2118                 if (ret < 0 || ret >= end - pos)
2119                         return pos;
2120                 pos += ret;
2121                 first = 0;
2122         }
2123         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2124                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2125                                   first ? "" : "+");
2126                 if (ret < 0 || ret >= end - pos)
2127                         return pos;
2128                 pos += ret;
2129                 first = 0;
2130         }
2131 #endif /* CONFIG_IEEE80211W */
2132
2133         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2134
2135         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2136                 ret = os_snprintf(pos, end - pos, "-preauth");
2137                 if (ret < 0 || ret >= end - pos)
2138                         return pos;
2139                 pos += ret;
2140         }
2141
2142         ret = os_snprintf(pos, end - pos, "]");
2143         if (ret < 0 || ret >= end - pos)
2144                 return pos;
2145         pos += ret;
2146
2147         return pos;
2148 }
2149
2150
2151 #ifdef CONFIG_WPS
2152 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2153                                             char *pos, char *end,
2154                                             struct wpabuf *wps_ie)
2155 {
2156         int ret;
2157         const char *txt;
2158
2159         if (wps_ie == NULL)
2160                 return pos;
2161         if (wps_is_selected_pbc_registrar(wps_ie))
2162                 txt = "[WPS-PBC]";
2163 #ifdef CONFIG_WPS2
2164         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2165                 txt = "[WPS-AUTH]";
2166 #endif /* CONFIG_WPS2 */
2167         else if (wps_is_selected_pin_registrar(wps_ie))
2168                 txt = "[WPS-PIN]";
2169         else
2170                 txt = "[WPS]";
2171
2172         ret = os_snprintf(pos, end - pos, "%s", txt);
2173         if (ret >= 0 && ret < end - pos)
2174                 pos += ret;
2175         wpabuf_free(wps_ie);
2176         return pos;
2177 }
2178 #endif /* CONFIG_WPS */
2179
2180
2181 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2182                                         char *pos, char *end,
2183                                         const struct wpa_bss *bss)
2184 {
2185 #ifdef CONFIG_WPS
2186         struct wpabuf *wps_ie;
2187         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2188         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2189 #else /* CONFIG_WPS */
2190         return pos;
2191 #endif /* CONFIG_WPS */
2192 }
2193
2194
2195 /* Format one result on one text line into a buffer. */
2196 static int wpa_supplicant_ctrl_iface_scan_result(
2197         struct wpa_supplicant *wpa_s,
2198         const struct wpa_bss *bss, char *buf, size_t buflen)
2199 {
2200         char *pos, *end;
2201         int ret;
2202         const u8 *ie, *ie2, *p2p;
2203
2204         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2205         if (!p2p)
2206                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2207         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2208             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2209             0)
2210                 return 0; /* Do not show P2P listen discovery results here */
2211
2212         pos = buf;
2213         end = buf + buflen;
2214
2215         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2216                           MAC2STR(bss->bssid), bss->freq, bss->level);
2217         if (ret < 0 || ret >= end - pos)
2218                 return -1;
2219         pos += ret;
2220         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2221         if (ie)
2222                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2223         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2224         if (ie2)
2225                 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
2226         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2227         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2228                 ret = os_snprintf(pos, end - pos, "[WEP]");
2229                 if (ret < 0 || ret >= end - pos)
2230                         return -1;
2231                 pos += ret;
2232         }
2233         if (bss->caps & IEEE80211_CAP_IBSS) {
2234                 ret = os_snprintf(pos, end - pos, "[IBSS]");
2235                 if (ret < 0 || ret >= end - pos)
2236                         return -1;
2237                 pos += ret;
2238         }
2239         if (bss->caps & IEEE80211_CAP_ESS) {
2240                 ret = os_snprintf(pos, end - pos, "[ESS]");
2241                 if (ret < 0 || ret >= end - pos)
2242                         return -1;
2243                 pos += ret;
2244         }
2245         if (p2p) {
2246                 ret = os_snprintf(pos, end - pos, "[P2P]");
2247                 if (ret < 0 || ret >= end - pos)
2248                         return -1;
2249                 pos += ret;
2250         }
2251 #ifdef CONFIG_HS20
2252         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2253                 ret = os_snprintf(pos, end - pos, "[HS20]");
2254                 if (ret < 0 || ret >= end - pos)
2255                         return -1;
2256                 pos += ret;
2257         }
2258 #endif /* CONFIG_HS20 */
2259
2260         ret = os_snprintf(pos, end - pos, "\t%s",
2261                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2262         if (ret < 0 || ret >= end - pos)
2263                 return -1;
2264         pos += ret;
2265
2266         ret = os_snprintf(pos, end - pos, "\n");
2267         if (ret < 0 || ret >= end - pos)
2268                 return -1;
2269         pos += ret;
2270
2271         return pos - buf;
2272 }
2273
2274
2275 static int wpa_supplicant_ctrl_iface_scan_results(
2276         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2277 {
2278         char *pos, *end;
2279         struct wpa_bss *bss;
2280         int ret;
2281
2282         pos = buf;
2283         end = buf + buflen;
2284         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2285                           "flags / ssid\n");
2286         if (ret < 0 || ret >= end - pos)
2287                 return pos - buf;
2288         pos += ret;
2289
2290         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2291                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2292                                                             end - pos);
2293                 if (ret < 0 || ret >= end - pos)
2294                         return pos - buf;
2295                 pos += ret;
2296         }
2297
2298         return pos - buf;
2299 }
2300
2301
2302 static int wpa_supplicant_ctrl_iface_select_network(
2303         struct wpa_supplicant *wpa_s, char *cmd)
2304 {
2305         int id;
2306         struct wpa_ssid *ssid;
2307
2308         /* cmd: "<network id>" or "any" */
2309         if (os_strcmp(cmd, "any") == 0) {
2310                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2311                 ssid = NULL;
2312         } else {
2313                 id = atoi(cmd);
2314                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2315
2316                 ssid = wpa_config_get_network(wpa_s->conf, id);
2317                 if (ssid == NULL) {
2318                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2319                                    "network id=%d", id);
2320                         return -1;
2321                 }
2322                 if (ssid->disabled == 2) {
2323                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2324                                    "SELECT_NETWORK with persistent P2P group");
2325                         return -1;
2326                 }
2327         }
2328
2329         wpa_supplicant_select_network(wpa_s, ssid);
2330
2331         return 0;
2332 }
2333
2334
2335 static int wpa_supplicant_ctrl_iface_enable_network(
2336         struct wpa_supplicant *wpa_s, char *cmd)
2337 {
2338         int id;
2339         struct wpa_ssid *ssid;
2340
2341         /* cmd: "<network id>" or "all" */
2342         if (os_strcmp(cmd, "all") == 0) {
2343                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2344                 ssid = NULL;
2345         } else {
2346                 id = atoi(cmd);
2347                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2348
2349                 ssid = wpa_config_get_network(wpa_s->conf, id);
2350                 if (ssid == NULL) {
2351                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2352                                    "network id=%d", id);
2353                         return -1;
2354                 }
2355                 if (ssid->disabled == 2) {
2356                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2357                                    "ENABLE_NETWORK with persistent P2P group");
2358                         return -1;
2359                 }
2360
2361                 if (os_strstr(cmd, " no-connect")) {
2362                         ssid->disabled = 0;
2363                         return 0;
2364                 }
2365         }
2366         wpa_supplicant_enable_network(wpa_s, ssid);
2367
2368         return 0;
2369 }
2370
2371
2372 static int wpa_supplicant_ctrl_iface_disable_network(
2373         struct wpa_supplicant *wpa_s, char *cmd)
2374 {
2375         int id;
2376         struct wpa_ssid *ssid;
2377
2378         /* cmd: "<network id>" or "all" */
2379         if (os_strcmp(cmd, "all") == 0) {
2380                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2381                 ssid = NULL;
2382         } else {
2383                 id = atoi(cmd);
2384                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2385
2386                 ssid = wpa_config_get_network(wpa_s->conf, id);
2387                 if (ssid == NULL) {
2388                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2389                                    "network id=%d", id);
2390                         return -1;
2391                 }
2392                 if (ssid->disabled == 2) {
2393                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2394                                    "DISABLE_NETWORK with persistent P2P "
2395                                    "group");
2396                         return -1;
2397                 }
2398         }
2399         wpa_supplicant_disable_network(wpa_s, ssid);
2400
2401         return 0;
2402 }
2403
2404
2405 static int wpa_supplicant_ctrl_iface_add_network(
2406         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2407 {
2408         struct wpa_ssid *ssid;
2409         int ret;
2410
2411         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2412
2413         ssid = wpa_config_add_network(wpa_s->conf);
2414         if (ssid == NULL)
2415                 return -1;
2416
2417         wpas_notify_network_added(wpa_s, ssid);
2418
2419         ssid->disabled = 1;
2420         wpa_config_set_network_defaults(ssid);
2421
2422         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2423         if (ret < 0 || (size_t) ret >= buflen)
2424                 return -1;
2425         return ret;
2426 }
2427
2428
2429 static int wpa_supplicant_ctrl_iface_remove_network(
2430         struct wpa_supplicant *wpa_s, char *cmd)
2431 {
2432         int id;
2433         struct wpa_ssid *ssid;
2434         int was_disabled;
2435
2436         /* cmd: "<network id>" or "all" */
2437         if (os_strcmp(cmd, "all") == 0) {
2438                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2439                 if (wpa_s->sched_scanning)
2440                         wpa_supplicant_cancel_sched_scan(wpa_s);
2441
2442                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2443                 if (wpa_s->current_ssid) {
2444 #ifdef CONFIG_SME
2445                         wpa_s->sme.prev_bssid_set = 0;
2446 #endif /* CONFIG_SME */
2447                         wpa_sm_set_config(wpa_s->wpa, NULL);
2448                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2449                         wpa_supplicant_deauthenticate(
2450                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2451                 }
2452                 ssid = wpa_s->conf->ssid;
2453                 while (ssid) {
2454                         struct wpa_ssid *remove_ssid = ssid;
2455                         id = ssid->id;
2456                         ssid = ssid->next;
2457                         wpas_notify_network_removed(wpa_s, remove_ssid);
2458                         wpa_config_remove_network(wpa_s->conf, id);
2459                 }
2460                 return 0;
2461         }
2462
2463         id = atoi(cmd);
2464         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2465
2466         ssid = wpa_config_get_network(wpa_s->conf, id);
2467         if (ssid)
2468                 wpas_notify_network_removed(wpa_s, ssid);
2469         if (ssid == NULL) {
2470                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2471                            "id=%d", id);
2472                 return -1;
2473         }
2474
2475         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2476 #ifdef CONFIG_SME
2477                 wpa_s->sme.prev_bssid_set = 0;
2478 #endif /* CONFIG_SME */
2479                 /*
2480                  * Invalidate the EAP session cache if the current or
2481                  * previously used network is removed.
2482                  */
2483                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2484         }
2485
2486         if (ssid == wpa_s->current_ssid) {
2487                 wpa_sm_set_config(wpa_s->wpa, NULL);
2488                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2489
2490                 wpa_supplicant_deauthenticate(wpa_s,
2491                                               WLAN_REASON_DEAUTH_LEAVING);
2492         }
2493
2494         was_disabled = ssid->disabled;
2495
2496         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2497                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2498                            "network id=%d", id);
2499                 return -1;
2500         }
2501
2502         if (!was_disabled && wpa_s->sched_scanning) {
2503                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2504                            "network from filters");
2505                 wpa_supplicant_cancel_sched_scan(wpa_s);
2506                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2507         }
2508
2509         return 0;
2510 }
2511
2512
2513 static int wpa_supplicant_ctrl_iface_set_network(
2514         struct wpa_supplicant *wpa_s, char *cmd)
2515 {
2516         int id;
2517         struct wpa_ssid *ssid;
2518         char *name, *value;
2519
2520         /* cmd: "<network id> <variable name> <value>" */
2521         name = os_strchr(cmd, ' ');
2522         if (name == NULL)
2523                 return -1;
2524         *name++ = '\0';
2525
2526         value = os_strchr(name, ' ');
2527         if (value == NULL)
2528                 return -1;
2529         *value++ = '\0';
2530
2531         id = atoi(cmd);
2532         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2533                    id, name);
2534         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2535                               (u8 *) value, os_strlen(value));
2536
2537         ssid = wpa_config_get_network(wpa_s->conf, id);
2538         if (ssid == NULL) {
2539                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2540                            "id=%d", id);
2541                 return -1;
2542         }
2543
2544         if (wpa_config_set(ssid, name, value, 0) < 0) {
2545                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2546                            "variable '%s'", name);
2547                 return -1;
2548         }
2549
2550         if (os_strcmp(name, "bssid") != 0 &&
2551             os_strcmp(name, "priority") != 0)
2552                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2553
2554         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2555                 /*
2556                  * Invalidate the EAP session cache if anything in the current
2557                  * or previously used configuration changes.
2558                  */
2559                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2560         }
2561
2562         if ((os_strcmp(name, "psk") == 0 &&
2563              value[0] == '"' && ssid->ssid_len) ||
2564             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2565                 wpa_config_update_psk(ssid);
2566         else if (os_strcmp(name, "priority") == 0)
2567                 wpa_config_update_prio_list(wpa_s->conf);
2568
2569         return 0;
2570 }
2571
2572
2573 static int wpa_supplicant_ctrl_iface_get_network(
2574         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2575 {
2576         int id;
2577         size_t res;
2578         struct wpa_ssid *ssid;
2579         char *name, *value;
2580
2581         /* cmd: "<network id> <variable name>" */
2582         name = os_strchr(cmd, ' ');
2583         if (name == NULL || buflen == 0)
2584                 return -1;
2585         *name++ = '\0';
2586
2587         id = atoi(cmd);
2588         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2589                    id, name);
2590
2591         ssid = wpa_config_get_network(wpa_s->conf, id);
2592         if (ssid == NULL) {
2593                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2594                            "id=%d", id);
2595                 return -1;
2596         }
2597
2598         value = wpa_config_get_no_key(ssid, name);
2599         if (value == NULL) {
2600                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2601                            "variable '%s'", name);
2602                 return -1;
2603         }
2604
2605         res = os_strlcpy(buf, value, buflen);
2606         if (res >= buflen) {
2607                 os_free(value);
2608                 return -1;
2609         }
2610
2611         os_free(value);
2612
2613         return res;
2614 }
2615
2616
2617 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2618                                                 char *buf, size_t buflen)
2619 {
2620         char *pos, *end;
2621         struct wpa_cred *cred;
2622         int ret;
2623
2624         pos = buf;
2625         end = buf + buflen;
2626         ret = os_snprintf(pos, end - pos,
2627                           "cred id / realm / username / domain / imsi\n");
2628         if (ret < 0 || ret >= end - pos)
2629                 return pos - buf;
2630         pos += ret;
2631
2632         cred = wpa_s->conf->cred;
2633         while (cred) {
2634                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2635                                   cred->id, cred->realm ? cred->realm : "",
2636                                   cred->username ? cred->username : "",
2637                                   cred->domain ? cred->domain[0] : "",
2638                                   cred->imsi ? cred->imsi : "");
2639                 if (ret < 0 || ret >= end - pos)
2640                         return pos - buf;
2641                 pos += ret;
2642
2643                 cred = cred->next;
2644         }
2645
2646         return pos - buf;
2647 }
2648
2649
2650 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2651                                               char *buf, size_t buflen)
2652 {
2653         struct wpa_cred *cred;
2654         int ret;
2655
2656         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2657
2658         cred = wpa_config_add_cred(wpa_s->conf);
2659         if (cred == NULL)
2660                 return -1;
2661
2662         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2663         if (ret < 0 || (size_t) ret >= buflen)
2664                 return -1;
2665         return ret;
2666 }
2667
2668
2669 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2670                                  struct wpa_cred *cred)
2671 {
2672         struct wpa_ssid *ssid;
2673         char str[20];
2674
2675         if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2676                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2677                 return -1;
2678         }
2679
2680         /* Remove any network entry created based on the removed credential */
2681         ssid = wpa_s->conf->ssid;
2682         while (ssid) {
2683                 if (ssid->parent_cred == cred) {
2684                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2685                                    "used the removed credential", ssid->id);
2686                         os_snprintf(str, sizeof(str), "%d", ssid->id);
2687                         ssid = ssid->next;
2688                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2689                 } else
2690                         ssid = ssid->next;
2691         }
2692
2693         return 0;
2694 }
2695
2696
2697 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2698                                                  char *cmd)
2699 {
2700         int id;
2701         struct wpa_cred *cred, *prev;
2702
2703         /* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2704         if (os_strcmp(cmd, "all") == 0) {
2705                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2706                 cred = wpa_s->conf->cred;
2707                 while (cred) {
2708                         prev = cred;
2709                         cred = cred->next;
2710                         wpas_ctrl_remove_cred(wpa_s, prev);
2711                 }
2712                 return 0;
2713         }
2714
2715         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2716                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2717                            cmd + 8);
2718                 cred = wpa_s->conf->cred;
2719                 while (cred) {
2720                         prev = cred;
2721                         cred = cred->next;
2722                         if (prev->domain) {
2723                                 size_t i;
2724                                 for (i = 0; i < prev->num_domain; i++) {
2725                                         if (os_strcmp(prev->domain[i], cmd + 8)
2726                                             != 0)
2727                                                 continue;
2728                                         wpas_ctrl_remove_cred(wpa_s, prev);
2729                                         break;
2730                                 }
2731                         }
2732                 }
2733                 return 0;
2734         }
2735
2736         id = atoi(cmd);
2737         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2738
2739         cred = wpa_config_get_cred(wpa_s->conf, id);
2740         return wpas_ctrl_remove_cred(wpa_s, cred);
2741 }
2742
2743
2744 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2745                                               char *cmd)
2746 {
2747         int id;
2748         struct wpa_cred *cred;
2749         char *name, *value;
2750
2751         /* cmd: "<cred id> <variable name> <value>" */
2752         name = os_strchr(cmd, ' ');
2753         if (name == NULL)
2754                 return -1;
2755         *name++ = '\0';
2756
2757         value = os_strchr(name, ' ');
2758         if (value == NULL)
2759                 return -1;
2760         *value++ = '\0';
2761
2762         id = atoi(cmd);
2763         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2764                    id, name);
2765         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2766                               (u8 *) value, os_strlen(value));
2767
2768         cred = wpa_config_get_cred(wpa_s->conf, id);
2769         if (cred == NULL) {
2770                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2771                            id);
2772                 return -1;
2773         }
2774
2775         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2776                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2777                            "variable '%s'", name);
2778                 return -1;
2779         }
2780
2781         return 0;
2782 }
2783
2784
2785 #ifndef CONFIG_NO_CONFIG_WRITE
2786 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2787 {
2788         int ret;
2789
2790         if (!wpa_s->conf->update_config) {
2791                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2792                            "to update configuration (update_config=0)");
2793                 return -1;
2794         }
2795
2796         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2797         if (ret) {
2798                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2799                            "update configuration");
2800         } else {
2801                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2802                            " updated");
2803         }
2804
2805         return ret;
2806 }
2807 #endif /* CONFIG_NO_CONFIG_WRITE */
2808
2809
2810 struct cipher_info {
2811         unsigned int capa;
2812         const char *name;
2813         int group_only;
2814 };
2815
2816 static const struct cipher_info ciphers[] = {
2817         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
2818         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
2819         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
2820         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
2821         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
2822         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
2823         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
2824         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
2825 };
2826
2827
2828 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2829                                               struct wpa_driver_capa *capa,
2830                                               char *buf, size_t buflen)
2831 {
2832         int ret, first = 1;
2833         char *pos, *end;
2834         size_t len;
2835         unsigned int i;
2836
2837         pos = buf;
2838         end = pos + buflen;
2839
2840         if (res < 0) {
2841                 if (strict)
2842                         return 0;
2843                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2844                 if (len >= buflen)
2845                         return -1;
2846                 return len;
2847         }
2848
2849         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
2850                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
2851                         ret = os_snprintf(pos, end - pos, "%s%s",
2852                                           first ? "" : " ", ciphers[i].name);
2853                         if (ret < 0 || ret >= end - pos)
2854                                 return pos - buf;
2855                         pos += ret;
2856                         first = 0;
2857                 }
2858         }
2859
2860         return pos - buf;
2861 }
2862
2863
2864 static int ctrl_iface_get_capability_group(int res, char *strict,
2865                                            struct wpa_driver_capa *capa,
2866                                            char *buf, size_t buflen)
2867 {
2868         int ret, first = 1;
2869         char *pos, *end;
2870         size_t len;
2871         unsigned int i;
2872
2873         pos = buf;
2874         end = pos + buflen;
2875
2876         if (res < 0) {
2877                 if (strict)
2878                         return 0;
2879                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2880                 if (len >= buflen)
2881                         return -1;
2882                 return len;
2883         }
2884
2885         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
2886                 if (capa->enc & ciphers[i].capa) {
2887                         ret = os_snprintf(pos, end - pos, "%s%s",
2888                                           first ? "" : " ", ciphers[i].name);
2889                         if (ret < 0 || ret >= end - pos)
2890                                 return pos - buf;
2891                         pos += ret;
2892                         first = 0;
2893                 }
2894         }
2895
2896         return pos - buf;
2897 }
2898
2899
2900 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2901                                               struct wpa_driver_capa *capa,
2902                                               char *buf, size_t buflen)
2903 {
2904         int ret;
2905         char *pos, *end;
2906         size_t len;
2907
2908         pos = buf;
2909         end = pos + buflen;
2910
2911         if (res < 0) {
2912                 if (strict)
2913                         return 0;
2914                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2915                                  "NONE", buflen);
2916                 if (len >= buflen)
2917                         return -1;
2918                 return len;
2919         }
2920
2921         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2922         if (ret < 0 || ret >= end - pos)
2923                 return pos - buf;
2924         pos += ret;
2925
2926         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2927                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2928                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2929                 if (ret < 0 || ret >= end - pos)
2930                         return pos - buf;
2931                 pos += ret;
2932         }
2933
2934         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2935                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2936                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2937                 if (ret < 0 || ret >= end - pos)
2938                         return pos - buf;
2939                 pos += ret;
2940         }
2941
2942         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2943                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2944                 if (ret < 0 || ret >= end - pos)
2945                         return pos - buf;
2946                 pos += ret;
2947         }
2948
2949         return pos - buf;
2950 }
2951
2952
2953 static int ctrl_iface_get_capability_proto(int res, char *strict,
2954                                            struct wpa_driver_capa *capa,
2955                                            char *buf, size_t buflen)
2956 {
2957         int ret, first = 1;
2958         char *pos, *end;
2959         size_t len;
2960
2961         pos = buf;
2962         end = pos + buflen;
2963
2964         if (res < 0) {
2965                 if (strict)
2966                         return 0;
2967                 len = os_strlcpy(buf, "RSN WPA", buflen);
2968                 if (len >= buflen)
2969                         return -1;
2970                 return len;
2971         }
2972
2973         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2974                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2975                 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2976                 if (ret < 0 || ret >= end - pos)
2977                         return pos - buf;
2978                 pos += ret;
2979                 first = 0;
2980         }
2981
2982         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2983                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2984                 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2985                 if (ret < 0 || ret >= end - pos)
2986                         return pos - buf;
2987                 pos += ret;
2988                 first = 0;
2989         }
2990
2991         return pos - buf;
2992 }
2993
2994
2995 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2996                                               struct wpa_driver_capa *capa,
2997                                               char *buf, size_t buflen)
2998 {
2999         int ret, first = 1;
3000         char *pos, *end;
3001         size_t len;
3002
3003         pos = buf;
3004         end = pos + buflen;
3005
3006         if (res < 0) {
3007                 if (strict)
3008                         return 0;
3009                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3010                 if (len >= buflen)
3011                         return -1;
3012                 return len;
3013         }
3014
3015         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3016                 ret = os_snprintf(pos, end - pos, "%sOPEN", 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_SHARED)) {
3024                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3025                                   first ? "" : " ");
3026                 if (ret < 0 || ret >= end - pos)
3027                         return pos - buf;
3028                 pos += ret;
3029                 first = 0;
3030         }
3031
3032         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3033                 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
3034                 if (ret < 0 || ret >= end - pos)
3035                         return pos - buf;
3036                 pos += ret;
3037                 first = 0;
3038         }
3039
3040         return pos - buf;
3041 }
3042
3043
3044 static int ctrl_iface_get_capability_modes(int res, char *strict,
3045                                            struct wpa_driver_capa *capa,
3046                                            char *buf, size_t buflen)
3047 {
3048         int ret, first = 1;
3049         char *pos, *end;
3050         size_t len;
3051
3052         pos = buf;
3053         end = pos + buflen;
3054
3055         if (res < 0) {
3056                 if (strict)
3057                         return 0;
3058                 len = os_strlcpy(buf, "IBSS AP", buflen);
3059                 if (len >= buflen)
3060                         return -1;
3061                 return len;
3062         }
3063
3064         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3065                 ret = os_snprintf(pos, end - pos, "%sIBSS", first ? "" : " ");
3066                 if (ret < 0 || ret >= end - pos)
3067                         return pos - buf;
3068                 pos += ret;
3069                 first = 0;
3070         }
3071
3072         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3073                 ret = os_snprintf(pos, end - pos, "%sAP", first ? "" : " ");
3074                 if (ret < 0 || ret >= end - pos)
3075                         return pos - buf;
3076                 pos += ret;
3077                 first = 0;
3078         }
3079
3080         return pos - buf;
3081 }
3082
3083
3084 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3085                                               char *buf, size_t buflen)
3086 {
3087         struct hostapd_channel_data *chnl;
3088         int ret, i, j;
3089         char *pos, *end, *hmode;
3090
3091         pos = buf;
3092         end = pos + buflen;
3093
3094         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3095                 switch (wpa_s->hw.modes[j].mode) {
3096                 case HOSTAPD_MODE_IEEE80211B:
3097                         hmode = "B";
3098                         break;
3099                 case HOSTAPD_MODE_IEEE80211G:
3100                         hmode = "G";
3101                         break;
3102                 case HOSTAPD_MODE_IEEE80211A:
3103                         hmode = "A";
3104                         break;
3105                 case HOSTAPD_MODE_IEEE80211AD:
3106                         hmode = "AD";
3107                         break;
3108                 default:
3109                         continue;
3110                 }
3111                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3112                 if (ret < 0 || ret >= end - pos)
3113                         return pos - buf;
3114                 pos += ret;
3115                 chnl = wpa_s->hw.modes[j].channels;
3116                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3117                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3118                                 continue;
3119                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3120                         if (ret < 0 || ret >= end - pos)
3121                                 return pos - buf;
3122                         pos += ret;
3123                 }
3124                 ret = os_snprintf(pos, end - pos, "\n");
3125                 if (ret < 0 || ret >= end - pos)
3126                         return pos - buf;
3127                 pos += ret;
3128         }
3129
3130         return pos - buf;
3131 }
3132
3133
3134 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3135                                           char *buf, size_t buflen)
3136 {
3137         struct hostapd_channel_data *chnl;
3138         int ret, i, j;
3139         char *pos, *end, *hmode;
3140
3141         pos = buf;
3142         end = pos + buflen;
3143
3144         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3145                 switch (wpa_s->hw.modes[j].mode) {
3146                 case HOSTAPD_MODE_IEEE80211B:
3147                         hmode = "B";
3148                         break;
3149                 case HOSTAPD_MODE_IEEE80211G:
3150                         hmode = "G";
3151                         break;
3152                 case HOSTAPD_MODE_IEEE80211A:
3153                         hmode = "A";
3154                         break;
3155                 case HOSTAPD_MODE_IEEE80211AD:
3156                         hmode = "AD";
3157                         break;
3158                 default:
3159                         continue;
3160                 }
3161                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3162                                   hmode);
3163                 if (ret < 0 || ret >= end - pos)
3164                         return pos - buf;
3165                 pos += ret;
3166                 chnl = wpa_s->hw.modes[j].channels;
3167                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3168                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3169                                 continue;
3170                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s\n",
3171                                           chnl[i].chan, chnl[i].freq,
3172                                           chnl[i].flag & HOSTAPD_CHAN_NO_IBSS ?
3173                                           " (NO_IBSS)" : "");
3174                         if (ret < 0 || ret >= end - pos)
3175                                 return pos - buf;
3176                         pos += ret;
3177                 }
3178                 ret = os_snprintf(pos, end - pos, "\n");
3179                 if (ret < 0 || ret >= end - pos)
3180                         return pos - buf;
3181                 pos += ret;
3182         }
3183
3184         return pos - buf;
3185 }
3186
3187
3188 static int wpa_supplicant_ctrl_iface_get_capability(
3189         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3190         size_t buflen)
3191 {
3192         struct wpa_driver_capa capa;
3193         int res;
3194         char *strict;
3195         char field[30];
3196         size_t len;
3197
3198         /* Determine whether or not strict checking was requested */
3199         len = os_strlcpy(field, _field, sizeof(field));
3200         if (len >= sizeof(field))
3201                 return -1;
3202         strict = os_strchr(field, ' ');
3203         if (strict != NULL) {
3204                 *strict++ = '\0';
3205                 if (os_strcmp(strict, "strict") != 0)
3206                         return -1;
3207         }
3208
3209         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3210                 field, strict ? strict : "");
3211
3212         if (os_strcmp(field, "eap") == 0) {
3213                 return eap_get_names(buf, buflen);
3214         }
3215
3216         res = wpa_drv_get_capa(wpa_s, &capa);
3217
3218         if (os_strcmp(field, "pairwise") == 0)
3219                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3220                                                           buf, buflen);
3221
3222         if (os_strcmp(field, "group") == 0)
3223                 return ctrl_iface_get_capability_group(res, strict, &capa,
3224                                                        buf, buflen);
3225
3226         if (os_strcmp(field, "key_mgmt") == 0)
3227                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3228                                                           buf, buflen);
3229
3230         if (os_strcmp(field, "proto") == 0)
3231                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3232                                                        buf, buflen);
3233
3234         if (os_strcmp(field, "auth_alg") == 0)
3235                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
3236                                                           buf, buflen);
3237
3238         if (os_strcmp(field, "modes") == 0)
3239                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3240                                                        buf, buflen);
3241
3242         if (os_strcmp(field, "channels") == 0)
3243                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3244
3245         if (os_strcmp(field, "freq") == 0)
3246                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3247
3248         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3249                    field);
3250
3251         return -1;
3252 }
3253
3254
3255 #ifdef CONFIG_INTERWORKING
3256 static char * anqp_add_hex(char *pos, char *end, const char *title,
3257                            struct wpabuf *data)
3258 {
3259         char *start = pos;
3260         size_t i;
3261         int ret;
3262         const u8 *d;
3263
3264         if (data == NULL)
3265                 return start;
3266
3267         ret = os_snprintf(pos, end - pos, "%s=", title);
3268         if (ret < 0 || ret >= end - pos)
3269                 return start;
3270         pos += ret;
3271
3272         d = wpabuf_head_u8(data);
3273         for (i = 0; i < wpabuf_len(data); i++) {
3274                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3275                 if (ret < 0 || ret >= end - pos)
3276                         return start;
3277                 pos += ret;
3278         }
3279
3280         ret = os_snprintf(pos, end - pos, "\n");
3281         if (ret < 0 || ret >= end - pos)
3282                 return start;
3283         pos += ret;
3284
3285         return pos;
3286 }
3287 #endif /* CONFIG_INTERWORKING */
3288
3289
3290 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3291                           unsigned long mask, char *buf, size_t buflen)
3292 {
3293         size_t i;
3294         int ret;
3295         char *pos, *end;
3296         const u8 *ie, *ie2;
3297
3298         pos = buf;
3299         end = buf + buflen;
3300
3301         if (mask & WPA_BSS_MASK_ID) {
3302                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3303                 if (ret < 0 || ret >= end - pos)
3304                         return 0;
3305                 pos += ret;
3306         }
3307
3308         if (mask & WPA_BSS_MASK_BSSID) {
3309                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3310                                   MAC2STR(bss->bssid));
3311                 if (ret < 0 || ret >= end - pos)
3312                         return 0;
3313                 pos += ret;
3314         }
3315
3316         if (mask & WPA_BSS_MASK_FREQ) {
3317                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3318                 if (ret < 0 || ret >= end - pos)
3319                         return 0;
3320                 pos += ret;
3321         }
3322
3323         if (mask & WPA_BSS_MASK_BEACON_INT) {
3324                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3325                                   bss->beacon_int);
3326                 if (ret < 0 || ret >= end - pos)
3327                         return 0;
3328                 pos += ret;
3329         }
3330
3331         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3332                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3333                                   bss->caps);
3334                 if (ret < 0 || ret >= end - pos)
3335                         return 0;
3336                 pos += ret;
3337         }
3338
3339         if (mask & WPA_BSS_MASK_QUAL) {
3340                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3341                 if (ret < 0 || ret >= end - pos)
3342                         return 0;
3343                 pos += ret;
3344         }
3345
3346         if (mask & WPA_BSS_MASK_NOISE) {
3347                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3348                 if (ret < 0 || ret >= end - pos)
3349                         return 0;
3350                 pos += ret;
3351         }
3352
3353         if (mask & WPA_BSS_MASK_LEVEL) {
3354                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3355                 if (ret < 0 || ret >= end - pos)
3356                         return 0;
3357                 pos += ret;
3358         }
3359
3360         if (mask & WPA_BSS_MASK_TSF) {
3361                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3362                                   (unsigned long long) bss->tsf);
3363                 if (ret < 0 || ret >= end - pos)
3364                         return 0;
3365                 pos += ret;
3366         }
3367
3368         if (mask & WPA_BSS_MASK_AGE) {
3369                 struct os_reltime now;
3370
3371                 os_get_reltime(&now);
3372                 ret = os_snprintf(pos, end - pos, "age=%d\n",
3373                                   (int) (now.sec - bss->last_update.sec));
3374                 if (ret < 0 || ret >= end - pos)
3375                         return 0;
3376                 pos += ret;
3377         }
3378
3379         if (mask & WPA_BSS_MASK_IE) {
3380                 ret = os_snprintf(pos, end - pos, "ie=");
3381                 if (ret < 0 || ret >= end - pos)
3382                         return 0;
3383                 pos += ret;
3384
3385                 ie = (const u8 *) (bss + 1);
3386                 for (i = 0; i < bss->ie_len; i++) {
3387                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3388                         if (ret < 0 || ret >= end - pos)
3389                                 return 0;
3390                         pos += ret;
3391                 }
3392
3393                 ret = os_snprintf(pos, end - pos, "\n");
3394                 if (ret < 0 || ret >= end - pos)
3395                         return 0;
3396                 pos += ret;
3397         }
3398
3399         if (mask & WPA_BSS_MASK_FLAGS) {
3400                 ret = os_snprintf(pos, end - pos, "flags=");
3401                 if (ret < 0 || ret >= end - pos)
3402                         return 0;
3403                 pos += ret;
3404
3405                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3406                 if (ie)
3407                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3408                                                     2 + ie[1]);
3409                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3410                 if (ie2)
3411                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3412                                                     2 + ie2[1]);
3413                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3414                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3415                         ret = os_snprintf(pos, end - pos, "[WEP]");
3416                         if (ret < 0 || ret >= end - pos)
3417                                 return 0;
3418                         pos += ret;
3419                 }
3420                 if (bss->caps & IEEE80211_CAP_IBSS) {
3421                         ret = os_snprintf(pos, end - pos, "[IBSS]");
3422                         if (ret < 0 || ret >= end - pos)
3423                                 return 0;
3424                         pos += ret;
3425                 }
3426                 if (bss->caps & IEEE80211_CAP_ESS) {
3427                         ret = os_snprintf(pos, end - pos, "[ESS]");
3428                         if (ret < 0 || ret >= end - pos)
3429                                 return 0;
3430                         pos += ret;
3431                 }
3432                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
3433                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
3434                         ret = os_snprintf(pos, end - pos, "[P2P]");
3435                         if (ret < 0 || ret >= end - pos)
3436                                 return 0;
3437                         pos += ret;
3438                 }
3439 #ifdef CONFIG_HS20
3440                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3441                         ret = os_snprintf(pos, end - pos, "[HS20]");
3442                         if (ret < 0 || ret >= end - pos)
3443                                 return 0;
3444                         pos += ret;
3445                 }
3446 #endif /* CONFIG_HS20 */
3447
3448                 ret = os_snprintf(pos, end - pos, "\n");
3449                 if (ret < 0 || ret >= end - pos)
3450                         return 0;
3451                 pos += ret;
3452         }
3453
3454         if (mask & WPA_BSS_MASK_SSID) {
3455                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3456                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3457                 if (ret < 0 || ret >= end - pos)
3458                         return 0;
3459                 pos += ret;
3460         }
3461
3462 #ifdef CONFIG_WPS
3463         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3464                 ie = (const u8 *) (bss + 1);
3465                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3466                 if (ret < 0 || ret >= end - pos)
3467                         return 0;
3468                 pos += ret;
3469         }
3470 #endif /* CONFIG_WPS */
3471
3472 #ifdef CONFIG_P2P
3473         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3474                 ie = (const u8 *) (bss + 1);
3475                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3476                 if (ret < 0 || ret >= end - pos)
3477                         return 0;
3478                 pos += ret;
3479         }
3480 #endif /* CONFIG_P2P */
3481
3482 #ifdef CONFIG_WIFI_DISPLAY
3483         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3484                 struct wpabuf *wfd;
3485                 ie = (const u8 *) (bss + 1);
3486                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3487                                                   WFD_IE_VENDOR_TYPE);
3488                 if (wfd) {
3489                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3490                         if (ret < 0 || ret >= end - pos)
3491                                 return 0;
3492                         pos += ret;
3493
3494                         pos += wpa_snprintf_hex(pos, end - pos,
3495                                                 wpabuf_head(wfd),
3496                                                 wpabuf_len(wfd));
3497                         wpabuf_free(wfd);
3498
3499                         ret = os_snprintf(pos, end - pos, "\n");
3500                         if (ret < 0 || ret >= end - pos)
3501                                 return 0;
3502                         pos += ret;
3503                 }
3504         }
3505 #endif /* CONFIG_WIFI_DISPLAY */
3506
3507 #ifdef CONFIG_INTERWORKING
3508         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3509                 struct wpa_bss_anqp *anqp = bss->anqp;
3510                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3511                                    anqp->venue_name);
3512                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3513                                    anqp->network_auth_type);
3514                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3515                                    anqp->roaming_consortium);
3516                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3517                                    anqp->ip_addr_type_availability);
3518                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3519                                    anqp->nai_realm);
3520                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3521                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3522                                    anqp->domain_name);
3523 #ifdef CONFIG_HS20
3524                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3525                                    anqp->hs20_operator_friendly_name);
3526                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3527                                    anqp->hs20_wan_metrics);
3528                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3529                                    anqp->hs20_connection_capability);
3530 #endif /* CONFIG_HS20 */
3531         }
3532 #endif /* CONFIG_INTERWORKING */
3533
3534         if (mask & WPA_BSS_MASK_DELIM) {
3535                 ret = os_snprintf(pos, end - pos, "====\n");
3536                 if (ret < 0 || ret >= end - pos)
3537                         return 0;
3538                 pos += ret;
3539         }
3540
3541         return pos - buf;
3542 }
3543
3544
3545 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3546                                          const char *cmd, char *buf,
3547                                          size_t buflen)
3548 {
3549         u8 bssid[ETH_ALEN];
3550         size_t i;
3551         struct wpa_bss *bss;
3552         struct wpa_bss *bsslast = NULL;
3553         struct dl_list *next;
3554         int ret = 0;
3555         int len;
3556         char *ctmp;
3557         unsigned long mask = WPA_BSS_MASK_ALL;
3558
3559         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3560                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3561                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3562                                             list_id);
3563                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3564                                                list_id);
3565                 } else { /* N1-N2 */
3566                         unsigned int id1, id2;
3567
3568                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3569                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3570                                            "format");
3571                                 return 0;
3572                         }
3573
3574                         if (*(cmd + 6) == '-')
3575                                 id1 = 0;
3576                         else
3577                                 id1 = atoi(cmd + 6);
3578                         ctmp++;
3579                         if (*ctmp >= '0' && *ctmp <= '9')
3580                                 id2 = atoi(ctmp);
3581                         else
3582                                 id2 = (unsigned int) -1;
3583                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3584                         if (id2 == (unsigned int) -1)
3585                                 bsslast = dl_list_last(&wpa_s->bss_id,
3586                                                        struct wpa_bss,
3587                                                        list_id);
3588                         else {
3589                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3590                                 if (bsslast == NULL && bss && id2 > id1) {
3591                                         struct wpa_bss *tmp = bss;
3592                                         for (;;) {
3593                                                 next = tmp->list_id.next;
3594                                                 if (next == &wpa_s->bss_id)
3595                                                         break;
3596                                                 tmp = dl_list_entry(
3597                                                         next, struct wpa_bss,
3598                                                         list_id);
3599                                                 if (tmp->id > id2)
3600                                                         break;
3601                                                 bsslast = tmp;
3602                                         }
3603                                 }
3604                         }
3605                 }
3606         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3607                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3608         else if (os_strncmp(cmd, "LAST", 4) == 0)
3609                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3610         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3611                 i = atoi(cmd + 3);
3612                 bss = wpa_bss_get_id(wpa_s, i);
3613         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3614                 i = atoi(cmd + 5);
3615                 bss = wpa_bss_get_id(wpa_s, i);
3616                 if (bss) {
3617                         next = bss->list_id.next;
3618                         if (next == &wpa_s->bss_id)
3619                                 bss = NULL;
3620                         else
3621                                 bss = dl_list_entry(next, struct wpa_bss,
3622                                                     list_id);
3623                 }
3624 #ifdef CONFIG_P2P
3625         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3626                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3627                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3628                 else
3629                         bss = NULL;
3630 #endif /* CONFIG_P2P */
3631         } else if (hwaddr_aton(cmd, bssid) == 0)
3632                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3633         else {
3634                 struct wpa_bss *tmp;
3635                 i = atoi(cmd);
3636                 bss = NULL;
3637                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3638                 {
3639                         if (i-- == 0) {
3640                                 bss = tmp;
3641                                 break;
3642                         }
3643                 }
3644         }
3645
3646         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3647                 mask = strtoul(ctmp + 5, NULL, 0x10);
3648                 if (mask == 0)
3649                         mask = WPA_BSS_MASK_ALL;
3650         }
3651
3652         if (bss == NULL)
3653                 return 0;
3654
3655         if (bsslast == NULL)
3656                 bsslast = bss;
3657         do {
3658                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3659                 ret += len;
3660                 buf += len;
3661                 buflen -= len;
3662                 if (bss == bsslast) {
3663                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
3664                             (bss == dl_list_last(&wpa_s->bss_id,
3665                                                  struct wpa_bss, list_id)))
3666                                 os_snprintf(buf - 5, 5, "####\n");
3667                         break;
3668                 }
3669                 next = bss->list_id.next;
3670                 if (next == &wpa_s->bss_id)
3671                         break;
3672                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3673         } while (bss && len);
3674
3675         return ret;
3676 }
3677
3678
3679 static int wpa_supplicant_ctrl_iface_ap_scan(
3680         struct wpa_supplicant *wpa_s, char *cmd)
3681 {
3682         int ap_scan = atoi(cmd);
3683         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3684 }
3685
3686
3687 static int wpa_supplicant_ctrl_iface_scan_interval(
3688         struct wpa_supplicant *wpa_s, char *cmd)
3689 {
3690         int scan_int = atoi(cmd);
3691         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3692 }
3693
3694
3695 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3696         struct wpa_supplicant *wpa_s, char *cmd)
3697 {
3698         int expire_age = atoi(cmd);
3699         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3700 }
3701
3702
3703 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3704         struct wpa_supplicant *wpa_s, char *cmd)
3705 {
3706         int expire_count = atoi(cmd);
3707         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3708 }
3709
3710
3711 static int wpa_supplicant_ctrl_iface_bss_flush(
3712         struct wpa_supplicant *wpa_s, char *cmd)
3713 {
3714         int flush_age = atoi(cmd);
3715
3716         if (flush_age == 0)
3717                 wpa_bss_flush(wpa_s);
3718         else
3719                 wpa_bss_flush_by_age(wpa_s, flush_age);
3720         return 0;
3721 }
3722
3723
3724 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3725 {
3726         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3727         /* MLME-DELETEKEYS.request */
3728         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3729         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3730         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3731         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3732 #ifdef CONFIG_IEEE80211W
3733         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3734         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3735 #endif /* CONFIG_IEEE80211W */
3736
3737         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3738                         0);
3739         /* MLME-SETPROTECTION.request(None) */
3740         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3741                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3742                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3743         wpa_sm_drop_sa(wpa_s->wpa);
3744 }
3745
3746
3747 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3748                                           char *addr)
3749 {
3750 #ifdef CONFIG_NO_SCAN_PROCESSING
3751         return -1;
3752 #else /* CONFIG_NO_SCAN_PROCESSING */
3753         u8 bssid[ETH_ALEN];
3754         struct wpa_bss *bss;
3755         struct wpa_ssid *ssid = wpa_s->current_ssid;
3756
3757         if (hwaddr_aton(addr, bssid)) {
3758                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3759                            "address '%s'", addr);
3760                 return -1;
3761         }
3762
3763         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3764
3765         if (!ssid) {
3766                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3767                            "configuration known for the target AP");
3768                 return -1;
3769         }
3770
3771         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
3772         if (!bss) {
3773                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3774                            "from BSS table");
3775                 return -1;
3776         }
3777
3778         /*
3779          * TODO: Find best network configuration block from configuration to
3780          * allow roaming to other networks
3781          */
3782
3783         wpa_s->reassociate = 1;
3784         wpa_supplicant_connect(wpa_s, bss, ssid);
3785
3786         return 0;
3787 #endif /* CONFIG_NO_SCAN_PROCESSING */
3788 }
3789
3790
3791 #ifdef CONFIG_P2P
3792 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3793 {
3794         unsigned int timeout = atoi(cmd);
3795         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3796         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3797         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
3798         char *pos;
3799         unsigned int search_delay;
3800
3801         if (os_strstr(cmd, "type=social"))
3802                 type = P2P_FIND_ONLY_SOCIAL;
3803         else if (os_strstr(cmd, "type=progressive"))
3804                 type = P2P_FIND_PROGRESSIVE;
3805
3806         pos = os_strstr(cmd, "dev_id=");
3807         if (pos) {
3808                 pos += 7;
3809                 if (hwaddr_aton(pos, dev_id))
3810                         return -1;
3811                 _dev_id = dev_id;
3812         }
3813
3814         pos = os_strstr(cmd, "dev_type=");
3815         if (pos) {
3816                 pos += 9;
3817                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
3818                         return -1;
3819                 _dev_type = dev_type;
3820         }
3821
3822         pos = os_strstr(cmd, "delay=");
3823         if (pos) {
3824                 pos += 6;
3825                 search_delay = atoi(pos);
3826         } else
3827                 search_delay = wpas_p2p_search_delay(wpa_s);
3828
3829         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
3830                              _dev_id, search_delay);
3831 }
3832
3833
3834 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3835                             char *buf, size_t buflen)
3836 {
3837         u8 addr[ETH_ALEN];
3838         char *pos, *pos2;
3839         char *pin = NULL;
3840         enum p2p_wps_method wps_method;
3841         int new_pin;
3842         int ret;
3843         int persistent_group, persistent_id = -1;
3844         int join;
3845         int auth;
3846         int automatic;
3847         int go_intent = -1;
3848         int freq = 0;
3849         int pd;
3850         int ht40, vht;
3851
3852         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3853          * [persistent|persistent=<network id>]
3854          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3855          * [ht40] [vht] */
3856
3857         if (hwaddr_aton(cmd, addr))
3858                 return -1;
3859
3860         pos = cmd + 17;
3861         if (*pos != ' ')
3862                 return -1;
3863         pos++;
3864
3865         persistent_group = os_strstr(pos, " persistent") != NULL;
3866         pos2 = os_strstr(pos, " persistent=");
3867         if (pos2) {
3868                 struct wpa_ssid *ssid;
3869                 persistent_id = atoi(pos2 + 12);
3870                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3871                 if (ssid == NULL || ssid->disabled != 2 ||
3872                     ssid->mode != WPAS_MODE_P2P_GO) {
3873                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3874                                    "SSID id=%d for persistent P2P group (GO)",
3875                                    persistent_id);
3876                         return -1;
3877                 }
3878         }
3879         join = os_strstr(pos, " join") != NULL;
3880         auth = os_strstr(pos, " auth") != NULL;
3881         automatic = os_strstr(pos, " auto") != NULL;
3882         pd = os_strstr(pos, " provdisc") != NULL;
3883         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
3884         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
3885                 vht;
3886
3887         pos2 = os_strstr(pos, " go_intent=");
3888         if (pos2) {
3889                 pos2 += 11;
3890                 go_intent = atoi(pos2);
3891                 if (go_intent < 0 || go_intent > 15)
3892                         return -1;
3893         }
3894
3895         pos2 = os_strstr(pos, " freq=");
3896         if (pos2) {
3897                 pos2 += 6;
3898                 freq = atoi(pos2);
3899                 if (freq <= 0)
3900                         return -1;
3901         }
3902
3903         if (os_strncmp(pos, "pin", 3) == 0) {
3904                 /* Request random PIN (to be displayed) and enable the PIN */
3905                 wps_method = WPS_PIN_DISPLAY;
3906         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3907                 wps_method = WPS_PBC;
3908         } else {
3909                 pin = pos;
3910                 pos = os_strchr(pin, ' ');
3911                 wps_method = WPS_PIN_KEYPAD;
3912                 if (pos) {
3913                         *pos++ = '\0';
3914                         if (os_strncmp(pos, "display", 7) == 0)
3915                                 wps_method = WPS_PIN_DISPLAY;
3916                 }
3917                 if (!wps_pin_str_valid(pin)) {
3918                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3919                         return 17;
3920                 }
3921         }
3922
3923         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3924                                    persistent_group, automatic, join,
3925                                    auth, go_intent, freq, persistent_id, pd,
3926                                    ht40, vht);
3927         if (new_pin == -2) {
3928                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3929                 return 25;
3930         }
3931         if (new_pin == -3) {
3932                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3933                 return 25;
3934         }
3935         if (new_pin < 0)
3936                 return -1;
3937         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3938                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3939                 if (ret < 0 || (size_t) ret >= buflen)
3940                         return -1;
3941                 return ret;
3942         }
3943
3944         os_memcpy(buf, "OK\n", 3);
3945         return 3;
3946 }
3947
3948
3949 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3950 {
3951         unsigned int timeout = atoi(cmd);
3952         return wpas_p2p_listen(wpa_s, timeout);
3953 }
3954
3955
3956 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3957 {
3958         u8 addr[ETH_ALEN];
3959         char *pos;
3960         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3961
3962         /* <addr> <config method> [join|auto] */
3963
3964         if (hwaddr_aton(cmd, addr))
3965                 return -1;
3966
3967         pos = cmd + 17;
3968         if (*pos != ' ')
3969                 return -1;
3970         pos++;
3971
3972         if (os_strstr(pos, " join") != NULL)
3973                 use = WPAS_P2P_PD_FOR_JOIN;
3974         else if (os_strstr(pos, " auto") != NULL)
3975                 use = WPAS_P2P_PD_AUTO;
3976
3977         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3978 }
3979
3980
3981 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3982                               size_t buflen)
3983 {
3984         struct wpa_ssid *ssid = wpa_s->current_ssid;
3985
3986         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3987             ssid->passphrase == NULL)
3988                 return -1;
3989
3990         os_strlcpy(buf, ssid->passphrase, buflen);
3991         return os_strlen(buf);
3992 }
3993
3994
3995 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3996                                   char *buf, size_t buflen)
3997 {
3998         u64 ref;
3999         int res;
4000         u8 dst_buf[ETH_ALEN], *dst;
4001         struct wpabuf *tlvs;
4002         char *pos;
4003         size_t len;
4004
4005         if (hwaddr_aton(cmd, dst_buf))
4006                 return -1;
4007         dst = dst_buf;
4008         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
4009             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
4010                 dst = NULL;
4011         pos = cmd + 17;
4012         if (*pos != ' ')
4013                 return -1;
4014         pos++;
4015
4016         if (os_strncmp(pos, "upnp ", 5) == 0) {
4017                 u8 version;
4018                 pos += 5;
4019                 if (hexstr2bin(pos, &version, 1) < 0)
4020                         return -1;
4021                 pos += 2;
4022                 if (*pos != ' ')
4023                         return -1;
4024                 pos++;
4025                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
4026 #ifdef CONFIG_WIFI_DISPLAY
4027         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
4028                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
4029 #endif /* CONFIG_WIFI_DISPLAY */
4030         } else {
4031                 len = os_strlen(pos);
4032                 if (len & 1)
4033                         return -1;
4034                 len /= 2;
4035                 tlvs = wpabuf_alloc(len);
4036                 if (tlvs == NULL)
4037                         return -1;
4038                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
4039                         wpabuf_free(tlvs);
4040                         return -1;
4041                 }
4042
4043                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
4044                 wpabuf_free(tlvs);
4045         }
4046         if (ref == 0)
4047                 return -1;
4048         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
4049         if (res < 0 || (unsigned) res >= buflen)
4050                 return -1;
4051         return res;
4052 }
4053
4054
4055 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
4056                                          char *cmd)
4057 {
4058         long long unsigned val;
4059         u64 req;
4060         if (sscanf(cmd, "%llx", &val) != 1)
4061                 return -1;
4062         req = val;
4063         return wpas_p2p_sd_cancel_request(wpa_s, req);
4064 }
4065
4066
4067 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
4068 {
4069         int freq;
4070         u8 dst[ETH_ALEN];
4071         u8 dialog_token;
4072         struct wpabuf *resp_tlvs;
4073         char *pos, *pos2;
4074         size_t len;
4075
4076         pos = os_strchr(cmd, ' ');
4077         if (pos == NULL)
4078                 return -1;
4079         *pos++ = '\0';
4080         freq = atoi(cmd);
4081         if (freq == 0)
4082                 return -1;
4083
4084         if (hwaddr_aton(pos, dst))
4085                 return -1;
4086         pos += 17;
4087         if (*pos != ' ')
4088                 return -1;
4089         pos++;
4090
4091         pos2 = os_strchr(pos, ' ');
4092         if (pos2 == NULL)
4093                 return -1;
4094         *pos2++ = '\0';
4095         dialog_token = atoi(pos);
4096
4097         len = os_strlen(pos2);
4098         if (len & 1)
4099                 return -1;
4100         len /= 2;
4101         resp_tlvs = wpabuf_alloc(len);
4102         if (resp_tlvs == NULL)
4103                 return -1;
4104         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
4105                 wpabuf_free(resp_tlvs);
4106                 return -1;
4107         }
4108
4109         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
4110         wpabuf_free(resp_tlvs);
4111         return 0;
4112 }
4113
4114
4115 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
4116                                        char *cmd)
4117 {
4118         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
4119                 return -1;
4120         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
4121         return 0;
4122 }
4123
4124
4125 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
4126                                         char *cmd)
4127 {
4128         char *pos;
4129         size_t len;
4130         struct wpabuf *query, *resp;
4131
4132         pos = os_strchr(cmd, ' ');
4133         if (pos == NULL)
4134                 return -1;
4135         *pos++ = '\0';
4136
4137         len = os_strlen(cmd);
4138         if (len & 1)
4139                 return -1;
4140         len /= 2;
4141         query = wpabuf_alloc(len);
4142         if (query == NULL)
4143                 return -1;
4144         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4145                 wpabuf_free(query);
4146                 return -1;
4147         }
4148
4149         len = os_strlen(pos);
4150         if (len & 1) {
4151                 wpabuf_free(query);
4152                 return -1;
4153         }
4154         len /= 2;
4155         resp = wpabuf_alloc(len);
4156         if (resp == NULL) {
4157                 wpabuf_free(query);
4158                 return -1;
4159         }
4160         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
4161                 wpabuf_free(query);
4162                 wpabuf_free(resp);
4163                 return -1;
4164         }
4165
4166         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
4167                 wpabuf_free(query);
4168                 wpabuf_free(resp);
4169                 return -1;
4170         }
4171         return 0;
4172 }
4173
4174
4175 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4176 {
4177         char *pos;
4178         u8 version;
4179
4180         pos = os_strchr(cmd, ' ');
4181         if (pos == NULL)
4182                 return -1;
4183         *pos++ = '\0';
4184
4185         if (hexstr2bin(cmd, &version, 1) < 0)
4186                 return -1;
4187
4188         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
4189 }
4190
4191
4192 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
4193 {
4194         char *pos;
4195
4196         pos = os_strchr(cmd, ' ');
4197         if (pos == NULL)
4198                 return -1;
4199         *pos++ = '\0';
4200
4201         if (os_strcmp(cmd, "bonjour") == 0)
4202                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
4203         if (os_strcmp(cmd, "upnp") == 0)
4204                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
4205         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4206         return -1;
4207 }
4208
4209
4210 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
4211                                         char *cmd)
4212 {
4213         size_t len;
4214         struct wpabuf *query;
4215         int ret;
4216
4217         len = os_strlen(cmd);
4218         if (len & 1)
4219                 return -1;
4220         len /= 2;
4221         query = wpabuf_alloc(len);
4222         if (query == NULL)
4223                 return -1;
4224         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4225                 wpabuf_free(query);
4226                 return -1;
4227         }
4228
4229         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
4230         wpabuf_free(query);
4231         return ret;
4232 }
4233
4234
4235 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4236 {
4237         char *pos;
4238         u8 version;
4239
4240         pos = os_strchr(cmd, ' ');
4241         if (pos == NULL)
4242                 return -1;
4243         *pos++ = '\0';
4244
4245         if (hexstr2bin(cmd, &version, 1) < 0)
4246                 return -1;
4247
4248         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4249 }
4250
4251
4252 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4253 {
4254         char *pos;
4255
4256         pos = os_strchr(cmd, ' ');
4257         if (pos == NULL)
4258                 return -1;
4259         *pos++ = '\0';
4260
4261         if (os_strcmp(cmd, "bonjour") == 0)
4262                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4263         if (os_strcmp(cmd, "upnp") == 0)
4264                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
4265         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4266         return -1;
4267 }
4268
4269
4270 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4271 {
4272         u8 addr[ETH_ALEN];
4273
4274         /* <addr> */
4275
4276         if (hwaddr_aton(cmd, addr))
4277                 return -1;
4278
4279         return wpas_p2p_reject(wpa_s, addr);
4280 }
4281
4282
4283 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
4284 {
4285         char *pos;
4286         int id;
4287         struct wpa_ssid *ssid;
4288         u8 *_peer = NULL, peer[ETH_ALEN];
4289         int freq = 0, pref_freq = 0;
4290         int ht40, vht;
4291
4292         id = atoi(cmd);
4293         pos = os_strstr(cmd, " peer=");
4294         if (pos) {
4295                 pos += 6;
4296                 if (hwaddr_aton(pos, peer))
4297                         return -1;
4298                 _peer = peer;
4299         }
4300         ssid = wpa_config_get_network(wpa_s->conf, id);
4301         if (ssid == NULL || ssid->disabled != 2) {
4302                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4303                            "for persistent P2P group",
4304                            id);
4305                 return -1;
4306         }
4307
4308         pos = os_strstr(cmd, " freq=");
4309         if (pos) {
4310                 pos += 6;
4311                 freq = atoi(pos);
4312                 if (freq <= 0)
4313                         return -1;
4314         }
4315
4316         pos = os_strstr(cmd, " pref=");
4317         if (pos) {
4318                 pos += 6;
4319                 pref_freq = atoi(pos);
4320                 if (pref_freq <= 0)
4321                         return -1;
4322         }
4323
4324         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4325         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4326                 vht;
4327
4328         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
4329                                pref_freq);
4330 }
4331
4332
4333 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4334 {
4335         char *pos;
4336         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4337
4338         pos = os_strstr(cmd, " peer=");
4339         if (!pos)
4340                 return -1;
4341
4342         *pos = '\0';
4343         pos += 6;
4344         if (hwaddr_aton(pos, peer)) {
4345                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4346                 return -1;
4347         }
4348
4349         pos = os_strstr(pos, " go_dev_addr=");
4350         if (pos) {
4351                 pos += 13;
4352                 if (hwaddr_aton(pos, go_dev_addr)) {
4353                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4354                                    pos);
4355                         return -1;
4356                 }
4357                 go_dev = go_dev_addr;
4358         }
4359
4360         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4361 }
4362
4363
4364 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4365 {
4366         if (os_strncmp(cmd, "persistent=", 11) == 0)
4367                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4368         if (os_strncmp(cmd, "group=", 6) == 0)
4369                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4370
4371         return -1;
4372 }
4373
4374
4375 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4376                                          char *cmd, int freq, int ht40,
4377                                          int vht)
4378 {
4379         int id;
4380         struct wpa_ssid *ssid;
4381
4382         id = atoi(cmd);
4383         ssid = wpa_config_get_network(wpa_s->conf, id);
4384         if (ssid == NULL || ssid->disabled != 2) {
4385                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4386                            "for persistent P2P group",
4387                            id);
4388                 return -1;
4389         }
4390
4391         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40, vht,
4392                                              NULL, 0);
4393 }
4394
4395
4396 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4397 {
4398         int freq = 0, ht40, vht;
4399         char *pos;
4400
4401         pos = os_strstr(cmd, "freq=");
4402         if (pos)
4403                 freq = atoi(pos + 5);
4404
4405         vht = (os_strstr(cmd, "vht") != NULL) || wpa_s->conf->p2p_go_vht;
4406         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4407                 vht;
4408
4409         if (os_strncmp(cmd, "persistent=", 11) == 0)
4410                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4411                                                      ht40, vht);
4412         if (os_strcmp(cmd, "persistent") == 0 ||
4413             os_strncmp(cmd, "persistent ", 11) == 0)
4414                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40, vht);
4415         if (os_strncmp(cmd, "freq=", 5) == 0)
4416                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4417         if (ht40)
4418                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4419
4420         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4421                    cmd);
4422         return -1;
4423 }
4424
4425
4426 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4427                          char *buf, size_t buflen)
4428 {
4429         u8 addr[ETH_ALEN], *addr_ptr;
4430         int next, res;
4431         const struct p2p_peer_info *info;
4432         char *pos, *end;
4433         char devtype[WPS_DEV_TYPE_BUFSIZE];
4434         struct wpa_ssid *ssid;
4435         size_t i;
4436
4437         if (!wpa_s->global->p2p)
4438                 return -1;
4439
4440         if (os_strcmp(cmd, "FIRST") == 0) {
4441                 addr_ptr = NULL;
4442                 next = 0;
4443         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4444                 if (hwaddr_aton(cmd + 5, addr) < 0)
4445                         return -1;
4446                 addr_ptr = addr;
4447                 next = 1;
4448         } else {
4449                 if (hwaddr_aton(cmd, addr) < 0)
4450                         return -1;
4451                 addr_ptr = addr;
4452                 next = 0;
4453         }
4454
4455         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4456         if (info == NULL)
4457                 return -1;
4458
4459         pos = buf;
4460         end = buf + buflen;
4461
4462         res = os_snprintf(pos, end - pos, MACSTR "\n"
4463                           "pri_dev_type=%s\n"
4464                           "device_name=%s\n"
4465                           "manufacturer=%s\n"
4466                           "model_name=%s\n"
4467                           "model_number=%s\n"
4468                           "serial_number=%s\n"
4469                           "config_methods=0x%x\n"
4470                           "dev_capab=0x%x\n"
4471                           "group_capab=0x%x\n"
4472                           "level=%d\n",
4473                           MAC2STR(info->p2p_device_addr),
4474                           wps_dev_type_bin2str(info->pri_dev_type,
4475                                                devtype, sizeof(devtype)),
4476                           info->device_name,
4477                           info->manufacturer,
4478                           info->model_name,
4479                           info->model_number,
4480                           info->serial_number,
4481                           info->config_methods,
4482                           info->dev_capab,
4483                           info->group_capab,
4484                           info->level);
4485         if (res < 0 || res >= end - pos)
4486                 return pos - buf;
4487         pos += res;
4488
4489         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4490         {
4491                 const u8 *t;
4492                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4493                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4494                                   wps_dev_type_bin2str(t, devtype,
4495                                                        sizeof(devtype)));
4496                 if (res < 0 || res >= end - pos)
4497                         return pos - buf;
4498                 pos += res;
4499         }
4500
4501         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4502         if (ssid) {
4503                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4504                 if (res < 0 || res >= end - pos)
4505                         return pos - buf;
4506                 pos += res;
4507         }
4508
4509         res = p2p_get_peer_info_txt(info, pos, end - pos);
4510         if (res < 0)
4511                 return pos - buf;
4512         pos += res;
4513
4514         return pos - buf;
4515 }
4516
4517
4518 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4519                                   const char *param)
4520 {
4521         unsigned int i;
4522
4523         if (wpa_s->global->p2p == NULL)
4524                 return -1;
4525
4526         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
4527                 return -1;
4528
4529         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
4530                 struct wpa_freq_range *freq;
4531                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
4532                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4533                            freq->min, freq->max);
4534         }
4535
4536         wpas_p2p_update_channel_list(wpa_s);
4537         return 0;
4538 }
4539
4540
4541 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4542 {
4543         char *param;
4544
4545         if (wpa_s->global->p2p == NULL)
4546                 return -1;
4547
4548         param = os_strchr(cmd, ' ');
4549         if (param == NULL)
4550                 return -1;
4551         *param++ = '\0';
4552
4553         if (os_strcmp(cmd, "discoverability") == 0) {
4554                 p2p_set_client_discoverability(wpa_s->global->p2p,
4555                                                atoi(param));
4556                 return 0;
4557         }
4558
4559         if (os_strcmp(cmd, "managed") == 0) {
4560                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4561                 return 0;
4562         }
4563
4564         if (os_strcmp(cmd, "listen_channel") == 0) {
4565                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4566                                               atoi(param));
4567         }
4568
4569         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4570                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4571                                             os_strlen(param));
4572         }
4573
4574         if (os_strcmp(cmd, "noa") == 0) {
4575                 char *pos;
4576                 int count, start, duration;
4577                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4578                 count = atoi(param);
4579                 pos = os_strchr(param, ',');
4580                 if (pos == NULL)
4581                         return -1;
4582                 pos++;
4583                 start = atoi(pos);
4584                 pos = os_strchr(pos, ',');
4585                 if (pos == NULL)
4586                         return -1;
4587                 pos++;
4588                 duration = atoi(pos);
4589                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4590                         return -1;
4591                 if (count == 0 && duration > 0)
4592                         return -1;
4593                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4594                            "start=%d duration=%d", count, start, duration);
4595                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4596         }
4597
4598         if (os_strcmp(cmd, "ps") == 0)
4599                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4600
4601         if (os_strcmp(cmd, "oppps") == 0)
4602                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4603
4604         if (os_strcmp(cmd, "ctwindow") == 0)
4605                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4606
4607         if (os_strcmp(cmd, "disabled") == 0) {
4608                 wpa_s->global->p2p_disabled = atoi(param);
4609                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4610                            wpa_s->global->p2p_disabled ?
4611                            "disabled" : "enabled");
4612                 if (wpa_s->global->p2p_disabled) {
4613                         wpas_p2p_stop_find(wpa_s);
4614                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4615                         p2p_flush(wpa_s->global->p2p);
4616                 }
4617                 return 0;
4618         }
4619
4620         if (os_strcmp(cmd, "conc_pref") == 0) {
4621                 if (os_strcmp(param, "sta") == 0)
4622                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4623                 else if (os_strcmp(param, "p2p") == 0)
4624                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4625                 else {
4626                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4627                         return -1;
4628                 }
4629                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4630                            "%s", param);
4631                 return 0;
4632         }
4633
4634         if (os_strcmp(cmd, "force_long_sd") == 0) {
4635                 wpa_s->force_long_sd = atoi(param);
4636                 return 0;
4637         }
4638
4639         if (os_strcmp(cmd, "peer_filter") == 0) {
4640                 u8 addr[ETH_ALEN];
4641                 if (hwaddr_aton(param, addr))
4642                         return -1;
4643                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4644                 return 0;
4645         }
4646
4647         if (os_strcmp(cmd, "cross_connect") == 0)
4648                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4649
4650         if (os_strcmp(cmd, "go_apsd") == 0) {
4651                 if (os_strcmp(param, "disable") == 0)
4652                         wpa_s->set_ap_uapsd = 0;
4653                 else {
4654                         wpa_s->set_ap_uapsd = 1;
4655                         wpa_s->ap_uapsd = atoi(param);
4656                 }
4657                 return 0;
4658         }
4659
4660         if (os_strcmp(cmd, "client_apsd") == 0) {
4661                 if (os_strcmp(param, "disable") == 0)
4662                         wpa_s->set_sta_uapsd = 0;
4663                 else {
4664                         int be, bk, vi, vo;
4665                         char *pos;
4666                         /* format: BE,BK,VI,VO;max SP Length */
4667                         be = atoi(param);
4668                         pos = os_strchr(param, ',');
4669                         if (pos == NULL)
4670                                 return -1;
4671                         pos++;
4672                         bk = atoi(pos);
4673                         pos = os_strchr(pos, ',');
4674                         if (pos == NULL)
4675                                 return -1;
4676                         pos++;
4677                         vi = atoi(pos);
4678                         pos = os_strchr(pos, ',');
4679                         if (pos == NULL)
4680                                 return -1;
4681                         pos++;
4682                         vo = atoi(pos);
4683                         /* ignore max SP Length for now */
4684
4685                         wpa_s->set_sta_uapsd = 1;
4686                         wpa_s->sta_uapsd = 0;
4687                         if (be)
4688                                 wpa_s->sta_uapsd |= BIT(0);
4689                         if (bk)
4690                                 wpa_s->sta_uapsd |= BIT(1);
4691                         if (vi)
4692                                 wpa_s->sta_uapsd |= BIT(2);
4693                         if (vo)
4694                                 wpa_s->sta_uapsd |= BIT(3);
4695                 }
4696                 return 0;
4697         }
4698
4699         if (os_strcmp(cmd, "disallow_freq") == 0)
4700                 return p2p_ctrl_disallow_freq(wpa_s, param);
4701
4702         if (os_strcmp(cmd, "disc_int") == 0) {
4703                 int min_disc_int, max_disc_int, max_disc_tu;
4704                 char *pos;
4705
4706                 pos = param;
4707
4708                 min_disc_int = atoi(pos);
4709                 pos = os_strchr(pos, ' ');
4710                 if (pos == NULL)
4711                         return -1;
4712                 *pos++ = '\0';
4713
4714                 max_disc_int = atoi(pos);
4715                 pos = os_strchr(pos, ' ');
4716                 if (pos == NULL)
4717                         return -1;
4718                 *pos++ = '\0';
4719
4720                 max_disc_tu = atoi(pos);
4721
4722                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4723                                         max_disc_int, max_disc_tu);
4724         }
4725
4726         if (os_strcmp(cmd, "per_sta_psk") == 0) {
4727                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
4728                 return 0;
4729         }
4730
4731 #ifdef CONFIG_WPS_NFC
4732         if (os_strcmp(cmd, "nfc_tag") == 0)
4733                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
4734 #endif /* CONFIG_WPS_NFC */
4735
4736         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
4737                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
4738                 return 0;
4739         }
4740
4741         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4742                    cmd);
4743
4744         return -1;
4745 }
4746
4747
4748 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
4749 {
4750         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4751         wpa_s->force_long_sd = 0;
4752         if (wpa_s->global->p2p)
4753                 p2p_flush(wpa_s->global->p2p);
4754 }
4755
4756
4757 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4758 {
4759         char *pos, *pos2;
4760         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4761
4762         if (cmd[0]) {
4763                 pos = os_strchr(cmd, ' ');
4764                 if (pos == NULL)
4765                         return -1;
4766                 *pos++ = '\0';
4767                 dur1 = atoi(cmd);
4768
4769                 pos2 = os_strchr(pos, ' ');
4770                 if (pos2)
4771                         *pos2++ = '\0';
4772                 int1 = atoi(pos);
4773         } else
4774                 pos2 = NULL;
4775
4776         if (pos2) {
4777                 pos = os_strchr(pos2, ' ');
4778                 if (pos == NULL)
4779                         return -1;
4780                 *pos++ = '\0';
4781                 dur2 = atoi(pos2);
4782                 int2 = atoi(pos);
4783         }
4784
4785         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4786 }
4787
4788
4789 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4790 {
4791         char *pos;
4792         unsigned int period = 0, interval = 0;
4793
4794         if (cmd[0]) {
4795                 pos = os_strchr(cmd, ' ');
4796                 if (pos == NULL)
4797                         return -1;
4798                 *pos++ = '\0';
4799                 period = atoi(cmd);
4800                 interval = atoi(pos);
4801         }
4802
4803         return wpas_p2p_ext_listen(wpa_s, period, interval);
4804 }
4805
4806
4807 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
4808 {
4809         const char *pos;
4810         u8 peer[ETH_ALEN];
4811         int iface_addr = 0;
4812
4813         pos = cmd;
4814         if (os_strncmp(pos, "iface=", 6) == 0) {
4815                 iface_addr = 1;
4816                 pos += 6;
4817         }
4818         if (hwaddr_aton(pos, peer))
4819                 return -1;
4820
4821         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
4822         return 0;
4823 }
4824
4825 #endif /* CONFIG_P2P */
4826
4827
4828 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
4829 {
4830         struct wpa_freq_range_list ranges;
4831         int *freqs = NULL;
4832         struct hostapd_hw_modes *mode;
4833         u16 i;
4834
4835         if (wpa_s->hw.modes == NULL)
4836                 return NULL;
4837
4838         os_memset(&ranges, 0, sizeof(ranges));
4839         if (freq_range_list_parse(&ranges, val) < 0)
4840                 return NULL;
4841
4842         for (i = 0; i < wpa_s->hw.num_modes; i++) {
4843                 int j;
4844
4845                 mode = &wpa_s->hw.modes[i];
4846                 for (j = 0; j < mode->num_channels; j++) {
4847                         unsigned int freq;
4848
4849                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
4850                                 continue;
4851
4852                         freq = mode->channels[j].freq;
4853                         if (!freq_range_list_includes(&ranges, freq))
4854                                 continue;
4855
4856                         int_array_add_unique(&freqs, freq);
4857                 }
4858         }
4859
4860         os_free(ranges.range);
4861         return freqs;
4862 }
4863
4864
4865 #ifdef CONFIG_INTERWORKING
4866
4867 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
4868 {
4869         int auto_sel = 0;
4870         int *freqs = NULL;
4871
4872         if (param) {
4873                 char *pos;
4874
4875                 auto_sel = os_strstr(param, "auto") != NULL;
4876
4877                 pos = os_strstr(param, "freq=");
4878                 if (pos) {
4879                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
4880                         if (freqs == NULL)
4881                                 return -1;
4882                 }
4883
4884         }
4885
4886         return interworking_select(wpa_s, auto_sel, freqs);
4887 }
4888
4889
4890 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4891 {
4892         u8 bssid[ETH_ALEN];
4893         struct wpa_bss *bss;
4894
4895         if (hwaddr_aton(dst, bssid)) {
4896                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4897                 return -1;
4898         }
4899
4900         bss = wpa_bss_get_bssid(wpa_s, bssid);
4901         if (bss == NULL) {
4902                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4903                            MAC2STR(bssid));
4904                 return -1;
4905         }
4906
4907         return interworking_connect(wpa_s, bss);
4908 }
4909
4910
4911 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4912 {
4913         u8 dst_addr[ETH_ALEN];
4914         int used;
4915         char *pos;
4916 #define MAX_ANQP_INFO_ID 100
4917         u16 id[MAX_ANQP_INFO_ID];
4918         size_t num_id = 0;
4919
4920         used = hwaddr_aton2(dst, dst_addr);
4921         if (used < 0)
4922                 return -1;
4923         pos = dst + used;
4924         while (num_id < MAX_ANQP_INFO_ID) {
4925                 id[num_id] = atoi(pos);
4926                 if (id[num_id])
4927                         num_id++;
4928                 pos = os_strchr(pos + 1, ',');
4929                 if (pos == NULL)
4930                         break;
4931                 pos++;
4932         }
4933
4934         if (num_id == 0)
4935                 return -1;
4936
4937         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4938 }
4939
4940
4941 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4942 {
4943         u8 dst_addr[ETH_ALEN];
4944         struct wpabuf *advproto, *query = NULL;
4945         int used, ret = -1;
4946         char *pos, *end;
4947         size_t len;
4948
4949         used = hwaddr_aton2(cmd, dst_addr);
4950         if (used < 0)
4951                 return -1;
4952
4953         pos = cmd + used;
4954         while (*pos == ' ')
4955                 pos++;
4956
4957         /* Advertisement Protocol ID */
4958         end = os_strchr(pos, ' ');
4959         if (end)
4960                 len = end - pos;
4961         else
4962                 len = os_strlen(pos);
4963         if (len & 0x01)
4964                 return -1;
4965         len /= 2;
4966         if (len == 0)
4967                 return -1;
4968         advproto = wpabuf_alloc(len);
4969         if (advproto == NULL)
4970                 return -1;
4971         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4972                 goto fail;
4973
4974         if (end) {
4975                 /* Optional Query Request */
4976                 pos = end + 1;
4977                 while (*pos == ' ')
4978                         pos++;
4979
4980                 len = os_strlen(pos);
4981                 if (len) {
4982                         if (len & 0x01)
4983                                 goto fail;
4984                         len /= 2;
4985                         if (len == 0)
4986                                 goto fail;
4987                         query = wpabuf_alloc(len);
4988                         if (query == NULL)
4989                                 goto fail;
4990                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4991                                 goto fail;
4992                 }
4993         }
4994
4995         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4996
4997 fail:
4998         wpabuf_free(advproto);
4999         wpabuf_free(query);
5000
5001         return ret;
5002 }
5003
5004
5005 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
5006                             size_t buflen)
5007 {
5008         u8 addr[ETH_ALEN];
5009         int dialog_token;
5010         int used;
5011         char *pos;
5012         size_t resp_len, start, requested_len;
5013         struct wpabuf *resp;
5014         int ret;
5015
5016         used = hwaddr_aton2(cmd, addr);
5017         if (used < 0)
5018                 return -1;
5019
5020         pos = cmd + used;
5021         while (*pos == ' ')
5022                 pos++;
5023         dialog_token = atoi(pos);
5024
5025         if (wpa_s->last_gas_resp &&
5026             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
5027             dialog_token == wpa_s->last_gas_dialog_token)
5028                 resp = wpa_s->last_gas_resp;
5029         else if (wpa_s->prev_gas_resp &&
5030                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
5031                  dialog_token == wpa_s->prev_gas_dialog_token)
5032                 resp = wpa_s->prev_gas_resp;
5033         else
5034                 return -1;
5035
5036         resp_len = wpabuf_len(resp);
5037         start = 0;
5038         requested_len = resp_len;
5039
5040         pos = os_strchr(pos, ' ');
5041         if (pos) {
5042                 start = atoi(pos);
5043                 if (start > resp_len)
5044                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
5045                 pos = os_strchr(pos, ',');
5046                 if (pos == NULL)
5047                         return -1;
5048                 pos++;
5049                 requested_len = atoi(pos);
5050                 if (start + requested_len > resp_len)
5051                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
5052         }
5053
5054         if (requested_len * 2 + 1 > buflen)
5055                 return os_snprintf(buf, buflen, "FAIL-Too long response");
5056
5057         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
5058                                requested_len);
5059
5060         if (start + requested_len == resp_len) {
5061                 /*
5062                  * Free memory by dropping the response after it has been
5063                  * fetched.
5064                  */
5065                 if (resp == wpa_s->prev_gas_resp) {
5066                         wpabuf_free(wpa_s->prev_gas_resp);
5067                         wpa_s->prev_gas_resp = NULL;
5068                 } else {
5069                         wpabuf_free(wpa_s->last_gas_resp);
5070                         wpa_s->last_gas_resp = NULL;
5071                 }
5072         }
5073
5074         return ret;
5075 }
5076 #endif /* CONFIG_INTERWORKING */
5077
5078
5079 #ifdef CONFIG_HS20
5080
5081 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
5082 {
5083         u8 dst_addr[ETH_ALEN];
5084         int used;
5085         char *pos;
5086         u32 subtypes = 0;
5087
5088         used = hwaddr_aton2(dst, dst_addr);
5089         if (used < 0)
5090                 return -1;
5091         pos = dst + used;
5092         for (;;) {
5093                 int num = atoi(pos);
5094                 if (num <= 0 || num > 31)
5095                         return -1;
5096                 subtypes |= BIT(num);
5097                 pos = os_strchr(pos + 1, ',');
5098                 if (pos == NULL)
5099                         break;
5100                 pos++;
5101         }
5102
5103         if (subtypes == 0)
5104                 return -1;
5105
5106         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
5107 }
5108
5109
5110 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5111                                     const u8 *addr, const char *realm)
5112 {
5113         u8 *buf;
5114         size_t rlen, len;
5115         int ret;
5116
5117         rlen = os_strlen(realm);
5118         len = 3 + rlen;
5119         buf = os_malloc(len);
5120         if (buf == NULL)
5121                 return -1;
5122         buf[0] = 1; /* NAI Home Realm Count */
5123         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
5124         buf[2] = rlen;
5125         os_memcpy(buf + 3, realm, rlen);
5126
5127         ret = hs20_anqp_send_req(wpa_s, addr,
5128                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5129                                  buf, len);
5130
5131         os_free(buf);
5132
5133         return ret;
5134 }
5135
5136
5137 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5138                                         char *dst)
5139 {
5140         struct wpa_cred *cred = wpa_s->conf->cred;
5141         u8 dst_addr[ETH_ALEN];
5142         int used;
5143         u8 *buf;
5144         size_t len;
5145         int ret;
5146
5147         used = hwaddr_aton2(dst, dst_addr);
5148         if (used < 0)
5149                 return -1;
5150
5151         while (dst[used] == ' ')
5152                 used++;
5153         if (os_strncmp(dst + used, "realm=", 6) == 0)
5154                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
5155                                                 dst + used + 6);
5156
5157         len = os_strlen(dst + used);
5158
5159         if (len == 0 && cred && cred->realm)
5160                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
5161
5162         if (len % 1)
5163                 return -1;
5164         len /= 2;
5165         buf = os_malloc(len);
5166         if (buf == NULL)
5167                 return -1;
5168         if (hexstr2bin(dst + used, buf, len) < 0) {
5169                 os_free(buf);
5170                 return -1;
5171         }
5172
5173         ret = hs20_anqp_send_req(wpa_s, dst_addr,
5174                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5175                                  buf, len);
5176         os_free(buf);
5177
5178         return ret;
5179 }
5180
5181 #endif /* CONFIG_HS20 */
5182
5183
5184 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
5185         struct wpa_supplicant *wpa_s, char *cmd)
5186 {
5187         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
5188         return 0;
5189 }
5190
5191
5192 #ifdef CONFIG_AUTOSCAN
5193
5194 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
5195                                               char *cmd)
5196 {
5197         enum wpa_states state = wpa_s->wpa_state;
5198         char *new_params = NULL;
5199
5200         if (os_strlen(cmd) > 0) {
5201                 new_params = os_strdup(cmd);
5202                 if (new_params == NULL)
5203                         return -1;
5204         }
5205
5206         os_free(wpa_s->conf->autoscan);
5207         wpa_s->conf->autoscan = new_params;
5208
5209         if (wpa_s->conf->autoscan == NULL)
5210                 autoscan_deinit(wpa_s);
5211         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
5212                 autoscan_init(wpa_s, 1);
5213         else if (state == WPA_SCANNING)
5214                 wpa_supplicant_reinit_autoscan(wpa_s);
5215
5216         return 0;
5217 }
5218
5219 #endif /* CONFIG_AUTOSCAN */
5220
5221
5222 #ifdef CONFIG_WNM
5223
5224 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
5225 {
5226         int enter;
5227         int intval = 0;
5228         char *pos;
5229         int ret;
5230         struct wpabuf *tfs_req = NULL;
5231
5232         if (os_strncmp(cmd, "enter", 5) == 0)
5233                 enter = 1;
5234         else if (os_strncmp(cmd, "exit", 4) == 0)
5235                 enter = 0;
5236         else
5237                 return -1;
5238
5239         pos = os_strstr(cmd, " interval=");
5240         if (pos)
5241                 intval = atoi(pos + 10);
5242
5243         pos = os_strstr(cmd, " tfs_req=");
5244         if (pos) {
5245                 char *end;
5246                 size_t len;
5247                 pos += 9;
5248                 end = os_strchr(pos, ' ');
5249                 if (end)
5250                         len = end - pos;
5251                 else
5252                         len = os_strlen(pos);
5253                 if (len & 1)
5254                         return -1;
5255                 len /= 2;
5256                 tfs_req = wpabuf_alloc(len);
5257                 if (tfs_req == NULL)
5258                         return -1;
5259                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
5260                         wpabuf_free(tfs_req);
5261                         return -1;
5262                 }
5263         }
5264
5265         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
5266                                            WNM_SLEEP_MODE_EXIT, intval,
5267                                            tfs_req);
5268         wpabuf_free(tfs_req);
5269
5270         return ret;
5271 }
5272
5273
5274 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
5275 {
5276         int query_reason;
5277
5278         query_reason = atoi(cmd);
5279
5280         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
5281                    query_reason);
5282
5283         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
5284 }
5285
5286 #endif /* CONFIG_WNM */
5287
5288
5289 /* Get string representation of channel width */
5290 static const char * channel_width_name(enum chan_width width)
5291 {
5292         switch (width) {
5293         case CHAN_WIDTH_20_NOHT:
5294                 return "20 MHz (no HT)";
5295         case CHAN_WIDTH_20:
5296                 return "20 MHz";
5297         case CHAN_WIDTH_40:
5298                 return "40 MHz";
5299         case CHAN_WIDTH_80:
5300                 return "80 MHz";
5301         case CHAN_WIDTH_80P80:
5302                 return "80+80 MHz";
5303         case CHAN_WIDTH_160:
5304                 return "160 MHz";
5305         default:
5306                 return "unknown";
5307         }
5308 }
5309
5310
5311 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
5312                                       size_t buflen)
5313 {
5314         struct wpa_signal_info si;
5315         int ret;
5316         char *pos, *end;
5317
5318         ret = wpa_drv_signal_poll(wpa_s, &si);
5319         if (ret)
5320                 return -1;
5321
5322         pos = buf;
5323         end = buf + buflen;
5324
5325         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
5326                           "NOISE=%d\nFREQUENCY=%u\n",
5327                           si.current_signal, si.current_txrate / 1000,
5328                           si.current_noise, si.frequency);
5329         if (ret < 0 || ret > end - pos)
5330                 return -1;
5331         pos += ret;
5332
5333         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
5334                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
5335                                   channel_width_name(si.chanwidth));
5336                 if (ret < 0 || ret > end - pos)
5337                         return -1;
5338                 pos += ret;
5339         }
5340
5341         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
5342                 ret = os_snprintf(pos, end - pos,
5343                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
5344                                   si.center_frq1, si.center_frq2);
5345                 if (ret < 0 || ret > end - pos)
5346                         return -1;
5347                 pos += ret;
5348         }
5349
5350         if (si.avg_signal) {
5351                 ret = os_snprintf(pos, end - pos,
5352                                   "AVG_RSSI=%d\n", si.avg_signal);
5353                 if (ret < 0 || ret >= end - pos)
5354                         return -1;
5355                 pos += ret;
5356         }
5357
5358         return pos - buf;
5359 }
5360
5361
5362 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
5363                                       size_t buflen)
5364 {
5365         struct hostap_sta_driver_data sta;
5366         int ret;
5367
5368         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
5369         if (ret)
5370                 return -1;
5371
5372         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
5373                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
5374         if (ret < 0 || (size_t) ret > buflen)
5375                 return -1;
5376         return ret;
5377 }
5378
5379
5380 #ifdef ANDROID
5381 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
5382                                      char *buf, size_t buflen)
5383 {
5384         int ret;
5385
5386         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
5387         if (ret == 0) {
5388                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
5389                         struct p2p_data *p2p = wpa_s->global->p2p;
5390                         if (p2p) {
5391                                 char country[3];
5392                                 country[0] = cmd[8];
5393                                 country[1] = cmd[9];
5394                                 country[2] = 0x04;
5395                                 p2p_set_country(p2p, country);
5396                         }
5397                 }
5398                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
5399         }
5400         return ret;
5401 }
5402 #endif /* ANDROID */
5403
5404
5405 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
5406 {
5407         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
5408
5409 #ifdef CONFIG_P2P
5410         wpas_p2p_stop_find(wpa_s);
5411         p2p_ctrl_flush(wpa_s);
5412         wpas_p2p_group_remove(wpa_s, "*");
5413         wpas_p2p_service_flush(wpa_s);
5414         wpa_s->global->p2p_disabled = 0;
5415         wpa_s->global->p2p_per_sta_psk = 0;
5416         wpa_s->conf->num_sec_device_types = 0;
5417         wpa_s->p2p_disable_ip_addr_req = 0;
5418 #endif /* CONFIG_P2P */
5419
5420 #ifdef CONFIG_WPS_TESTING
5421         wps_version_number = 0x20;
5422         wps_testing_dummy_cred = 0;
5423         wps_corrupt_pkhash = 0;
5424 #endif /* CONFIG_WPS_TESTING */
5425 #ifdef CONFIG_WPS
5426         wpa_s->wps_fragment_size = 0;
5427         wpas_wps_cancel(wpa_s);
5428 #endif /* CONFIG_WPS */
5429         wpa_s->after_wps = 0;
5430         wpa_s->known_wps_freq = 0;
5431
5432 #ifdef CONFIG_TDLS
5433 #ifdef CONFIG_TDLS_TESTING
5434         extern unsigned int tdls_testing;
5435         tdls_testing = 0;
5436 #endif /* CONFIG_TDLS_TESTING */
5437         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
5438         wpa_tdls_enable(wpa_s->wpa, 1);
5439 #endif /* CONFIG_TDLS */
5440
5441         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
5442         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
5443
5444         wpa_s->no_keep_alive = 0;
5445
5446         os_free(wpa_s->disallow_aps_bssid);
5447         wpa_s->disallow_aps_bssid = NULL;
5448         wpa_s->disallow_aps_bssid_count = 0;
5449         os_free(wpa_s->disallow_aps_ssid);
5450         wpa_s->disallow_aps_ssid = NULL;
5451         wpa_s->disallow_aps_ssid_count = 0;
5452
5453         wpa_s->set_sta_uapsd = 0;
5454         wpa_s->sta_uapsd = 0;
5455
5456         wpa_drv_radio_disable(wpa_s, 0);
5457
5458         wpa_bss_flush(wpa_s);
5459         wpa_blacklist_clear(wpa_s);
5460         wpa_s->extra_blacklist_count = 0;
5461         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
5462         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
5463         wpa_config_flush_blobs(wpa_s->conf);
5464         wpa_s->conf->auto_interworking = 0;
5465         wpa_s->conf->okc = 0;
5466         wpa_s->conf->pmf = 0;
5467
5468         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
5469         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
5470         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
5471         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5472
5473         radio_remove_unstarted_work(wpa_s, NULL);
5474 }
5475
5476
5477 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
5478                                      char *buf, size_t buflen)
5479 {
5480         struct wpa_radio_work *work;
5481         char *pos, *end;
5482         struct os_reltime now, diff;
5483
5484         pos = buf;
5485         end = buf + buflen;
5486
5487         os_get_reltime(&now);
5488
5489         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
5490         {
5491                 int ret;
5492
5493                 os_reltime_sub(&now, &work->time, &diff);
5494                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
5495                                   work->type, work->wpa_s->ifname, work->freq,
5496                                   work->started, diff.sec, diff.usec);
5497                 if (ret < 0 || ret >= end - pos)
5498                         break;
5499                 pos += ret;
5500         }
5501
5502         return pos - buf;
5503 }
5504
5505
5506 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
5507 {
5508         struct wpa_radio_work *work = eloop_ctx;
5509         struct wpa_external_work *ework = work->ctx;
5510
5511         wpa_dbg(work->wpa_s, MSG_DEBUG,
5512                 "Timing out external radio work %u (%s)",
5513                 ework->id, work->type);
5514         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
5515         os_free(ework);
5516         radio_work_done(work);
5517 }
5518
5519
5520 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
5521 {
5522         struct wpa_external_work *ework = work->ctx;
5523
5524         if (deinit) {
5525                 os_free(ework);
5526                 return;
5527         }
5528
5529         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
5530                 ework->id, ework->type);
5531         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
5532         if (!ework->timeout)
5533                 ework->timeout = 10;
5534         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
5535                                work, NULL);
5536 }
5537
5538
5539 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
5540                                     char *buf, size_t buflen)
5541 {
5542         struct wpa_external_work *ework;
5543         char *pos, *pos2;
5544         size_t type_len;
5545         int ret;
5546         unsigned int freq = 0;
5547
5548         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
5549
5550         ework = os_zalloc(sizeof(*ework));
5551         if (ework == NULL)
5552                 return -1;
5553
5554         pos = os_strchr(cmd, ' ');
5555         if (pos) {
5556                 type_len = pos - cmd;
5557                 pos++;
5558
5559                 pos2 = os_strstr(pos, "freq=");
5560                 if (pos2)
5561                         freq = atoi(pos2 + 5);
5562
5563                 pos2 = os_strstr(pos, "timeout=");
5564                 if (pos2)
5565                         ework->timeout = atoi(pos2 + 8);
5566         } else {
5567                 type_len = os_strlen(cmd);
5568         }
5569         if (4 + type_len >= sizeof(ework->type))
5570                 type_len = sizeof(ework->type) - 4 - 1;
5571         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
5572         os_memcpy(ework->type + 4, cmd, type_len);
5573         ework->type[4 + type_len] = '\0';
5574
5575         wpa_s->ext_work_id++;
5576         if (wpa_s->ext_work_id == 0)
5577                 wpa_s->ext_work_id++;
5578         ework->id = wpa_s->ext_work_id;
5579
5580         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
5581                            ework) < 0) {
5582                 os_free(ework);
5583                 return -1;
5584         }
5585
5586         ret = os_snprintf(buf, buflen, "%u", ework->id);
5587         if (ret < 0 || (size_t) ret >= buflen)
5588                 return -1;
5589         return ret;
5590 }
5591
5592
5593 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
5594 {
5595         struct wpa_radio_work *work;
5596         unsigned int id = atoi(cmd);
5597
5598         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
5599         {
5600                 struct wpa_external_work *ework;
5601
5602                 if (os_strncmp(work->type, "ext:", 4) != 0)
5603                         continue;
5604                 ework = work->ctx;
5605                 if (id && ework->id != id)
5606                         continue;
5607                 wpa_dbg(wpa_s, MSG_DEBUG,
5608                         "Completed external radio work %u (%s)",
5609                         ework->id, ework->type);
5610                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
5611                 os_free(ework);
5612                 radio_work_done(work);
5613                 return 3; /* "OK\n" */
5614         }
5615
5616         return -1;
5617 }
5618
5619
5620 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
5621                                 char *buf, size_t buflen)
5622 {
5623         if (os_strcmp(cmd, "show") == 0)
5624                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
5625         if (os_strncmp(cmd, "add ", 4) == 0)
5626                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
5627         if (os_strncmp(cmd, "done ", 5) == 0)
5628                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
5629         return -1;
5630 }
5631
5632
5633 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
5634 {
5635         struct wpa_radio_work *work, *tmp;
5636
5637         if (!wpa_s || !wpa_s->radio)
5638                 return;
5639
5640         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
5641                               struct wpa_radio_work, list) {
5642                 struct wpa_external_work *ework;
5643
5644                 if (os_strncmp(work->type, "ext:", 4) != 0)
5645                         continue;
5646                 ework = work->ctx;
5647                 wpa_dbg(wpa_s, MSG_DEBUG,
5648                         "Flushing %sexternal radio work %u (%s)",
5649                         work->started ? " started" : "", ework->id,
5650                         ework->type);
5651                 if (work->started)
5652                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
5653                                              work, NULL);
5654                 os_free(ework);
5655                 radio_work_done(work);
5656         }
5657 }
5658
5659
5660 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
5661 {
5662         struct wpa_supplicant *wpa_s = eloop_ctx;
5663         eapol_sm_notify_ctrl_response(wpa_s->eapol);
5664 }
5665
5666
5667 static int set_scan_freqs(struct wpa_supplicant *wpa_s, char *val)
5668 {
5669         int *freqs = NULL;
5670
5671         freqs = freq_range_to_channel_list(wpa_s, val);
5672         if (freqs == NULL)
5673                 return -1;
5674
5675         os_free(wpa_s->manual_scan_freqs);
5676         wpa_s->manual_scan_freqs = freqs;
5677
5678         return 0;
5679 }
5680
5681
5682 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
5683                            char *reply, int reply_size, int *reply_len)
5684 {
5685         char *pos;
5686
5687         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
5688                 *reply_len = -1;
5689                 return;
5690         }
5691
5692         wpa_s->manual_scan_passive = 0;
5693         wpa_s->manual_scan_use_id = 0;
5694         wpa_s->manual_scan_only_new = 0;
5695
5696         if (params) {
5697                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
5698                         wpa_s->scan_res_handler = scan_only_handler;
5699
5700                 pos = os_strstr(params, "freq=");
5701                 if (pos && set_scan_freqs(wpa_s, pos + 5) < 0) {
5702                         *reply_len = -1;
5703                         return;
5704                 }
5705
5706                 pos = os_strstr(params, "passive=");
5707                 if (pos)
5708                         wpa_s->manual_scan_passive = !!atoi(pos + 8);
5709
5710                 pos = os_strstr(params, "use_id=");
5711                 if (pos)
5712                         wpa_s->manual_scan_use_id = atoi(pos + 7);
5713
5714                 pos = os_strstr(params, "only_new=1");
5715                 if (pos)
5716                         wpa_s->manual_scan_only_new = 1;
5717         } else {
5718                 os_free(wpa_s->manual_scan_freqs);
5719                 wpa_s->manual_scan_freqs = NULL;
5720                 if (wpa_s->scan_res_handler == scan_only_handler)
5721                         wpa_s->scan_res_handler = NULL;
5722         }
5723
5724         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5725             ((wpa_s->wpa_state <= WPA_SCANNING) ||
5726              (wpa_s->wpa_state == WPA_COMPLETED))) {
5727                 wpa_s->normal_scans = 0;
5728                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5729                 wpa_s->after_wps = 0;
5730                 wpa_s->known_wps_freq = 0;
5731                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5732                 if (wpa_s->manual_scan_use_id) {
5733                         wpa_s->manual_scan_id++;
5734                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
5735                                 wpa_s->manual_scan_id);
5736                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
5737                                                  wpa_s->manual_scan_id);
5738                 }
5739         } else if (wpa_s->sched_scanning) {
5740                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
5741                 wpa_supplicant_cancel_sched_scan(wpa_s);
5742                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5743                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5744                 if (wpa_s->manual_scan_use_id) {
5745                         wpa_s->manual_scan_id++;
5746                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
5747                                                  wpa_s->manual_scan_id);
5748                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
5749                                 wpa_s->manual_scan_id);
5750                 }
5751         } else {
5752                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
5753                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
5754         }
5755 }
5756
5757
5758 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
5759                                          char *buf, size_t *resp_len)
5760 {
5761         char *reply;
5762         const int reply_size = 4096;
5763         int reply_len;
5764
5765         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
5766             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5767                 if (wpa_debug_show_keys)
5768                         wpa_dbg(wpa_s, MSG_DEBUG,
5769                                 "Control interface command '%s'", buf);
5770                 else
5771                         wpa_dbg(wpa_s, MSG_DEBUG,
5772                                 "Control interface command '%s [REMOVED]'",
5773                                 os_strncmp(buf, WPA_CTRL_RSP,
5774                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
5775                                 WPA_CTRL_RSP : "SET_NETWORK");
5776         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
5777                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0 ||
5778                    os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
5779                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
5780                                       (const u8 *) buf, os_strlen(buf));
5781         } else {
5782                 int level = MSG_DEBUG;
5783                 if (os_strcmp(buf, "PING") == 0)
5784                         level = MSG_EXCESSIVE;
5785                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
5786         }
5787
5788         reply = os_malloc(reply_size);
5789         if (reply == NULL) {
5790                 *resp_len = 1;
5791                 return NULL;
5792         }
5793
5794         os_memcpy(reply, "OK\n", 3);
5795         reply_len = 3;
5796
5797         if (os_strcmp(buf, "PING") == 0) {
5798                 os_memcpy(reply, "PONG\n", 5);
5799                 reply_len = 5;
5800         } else if (os_strcmp(buf, "IFNAME") == 0) {
5801                 reply_len = os_strlen(wpa_s->ifname);
5802                 os_memcpy(reply, wpa_s->ifname, reply_len);
5803         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
5804                 if (wpa_debug_reopen_file() < 0)
5805                         reply_len = -1;
5806         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
5807                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
5808         } else if (os_strcmp(buf, "MIB") == 0) {
5809                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
5810                 if (reply_len >= 0) {
5811                         int res;
5812                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
5813                                                reply_size - reply_len);
5814                         if (res < 0)
5815                                 reply_len = -1;
5816                         else
5817                                 reply_len += res;
5818                 }
5819         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
5820                 reply_len = wpa_supplicant_ctrl_iface_status(
5821                         wpa_s, buf + 6, reply, reply_size);
5822         } else if (os_strcmp(buf, "PMKSA") == 0) {
5823                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
5824                                                     reply_size);
5825         } else if (os_strncmp(buf, "SET ", 4) == 0) {
5826                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
5827                         reply_len = -1;
5828         } else if (os_strncmp(buf, "GET ", 4) == 0) {
5829                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
5830                                                           reply, reply_size);
5831         } else if (os_strcmp(buf, "LOGON") == 0) {
5832                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5833         } else if (os_strcmp(buf, "LOGOFF") == 0) {
5834                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
5835         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
5836                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5837                         reply_len = -1;
5838                 else
5839                         wpas_request_connection(wpa_s);
5840         } else if (os_strcmp(buf, "RECONNECT") == 0) {
5841                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5842                         reply_len = -1;
5843                 else if (wpa_s->disconnected)
5844                         wpas_request_connection(wpa_s);
5845 #ifdef IEEE8021X_EAPOL
5846         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
5847                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
5848                         reply_len = -1;
5849 #endif /* IEEE8021X_EAPOL */
5850 #ifdef CONFIG_PEERKEY
5851         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
5852                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
5853                         reply_len = -1;
5854 #endif /* CONFIG_PEERKEY */
5855 #ifdef CONFIG_IEEE80211R
5856         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
5857                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
5858                         reply_len = -1;
5859 #endif /* CONFIG_IEEE80211R */
5860 #ifdef CONFIG_WPS
5861         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
5862                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
5863                 if (res == -2) {
5864                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5865                         reply_len = 17;
5866                 } else if (res)
5867                         reply_len = -1;
5868         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
5869                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
5870                 if (res == -2) {
5871                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5872                         reply_len = 17;
5873                 } else if (res)
5874                         reply_len = -1;
5875         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
5876                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
5877                                                               reply,
5878                                                               reply_size);
5879         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
5880                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
5881                         wpa_s, buf + 14, reply, reply_size);
5882         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
5883                 if (wpas_wps_cancel(wpa_s))
5884                         reply_len = -1;
5885 #ifdef CONFIG_WPS_NFC
5886         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
5887                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
5888                         reply_len = -1;
5889         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
5890                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
5891                         reply_len = -1;
5892         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
5893                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
5894                         wpa_s, buf + 21, reply, reply_size);
5895         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
5896                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
5897                         wpa_s, buf + 14, reply, reply_size);
5898         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
5899                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
5900                                                                buf + 17))
5901                         reply_len = -1;
5902         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
5903                 reply_len = wpas_ctrl_nfc_get_handover_req(
5904                         wpa_s, buf + 21, reply, reply_size);
5905         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
5906                 reply_len = wpas_ctrl_nfc_get_handover_sel(
5907                         wpa_s, buf + 21, reply, reply_size);
5908         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
5909                 reply_len = wpas_ctrl_nfc_rx_handover_req(
5910                         wpa_s, buf + 20, reply, reply_size);
5911         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
5912                 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
5913                         reply_len = -1;
5914         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
5915                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
5916                         reply_len = -1;
5917 #endif /* CONFIG_WPS_NFC */
5918         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
5919                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
5920                         reply_len = -1;
5921 #ifdef CONFIG_AP
5922         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
5923                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
5924                         wpa_s, buf + 11, reply, reply_size);
5925 #endif /* CONFIG_AP */
5926 #ifdef CONFIG_WPS_ER
5927         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
5928                 if (wpas_wps_er_start(wpa_s, NULL))
5929                         reply_len = -1;
5930         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
5931                 if (wpas_wps_er_start(wpa_s, buf + 13))
5932                         reply_len = -1;
5933         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
5934                 if (wpas_wps_er_stop(wpa_s))
5935                         reply_len = -1;
5936         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
5937                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
5938                         reply_len = -1;
5939         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
5940                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
5941                 if (ret == -2) {
5942                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5943                         reply_len = 17;
5944                 } else if (ret == -3) {
5945                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
5946                         reply_len = 18;
5947                 } else if (ret == -4) {
5948                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
5949                         reply_len = 20;
5950                 } else if (ret)
5951                         reply_len = -1;
5952         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
5953                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
5954                         reply_len = -1;
5955         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
5956                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
5957                                                                 buf + 18))
5958                         reply_len = -1;
5959         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
5960                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
5961                         reply_len = -1;
5962 #ifdef CONFIG_WPS_NFC
5963         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
5964                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
5965                         wpa_s, buf + 24, reply, reply_size);
5966 #endif /* CONFIG_WPS_NFC */
5967 #endif /* CONFIG_WPS_ER */
5968 #endif /* CONFIG_WPS */
5969 #ifdef CONFIG_IBSS_RSN
5970         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
5971                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
5972                         reply_len = -1;
5973 #endif /* CONFIG_IBSS_RSN */
5974 #ifdef CONFIG_P2P
5975         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
5976                 if (p2p_ctrl_find(wpa_s, buf + 9))
5977                         reply_len = -1;
5978         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
5979                 if (p2p_ctrl_find(wpa_s, ""))
5980                         reply_len = -1;
5981         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
5982                 wpas_p2p_stop_find(wpa_s);
5983         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
5984                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
5985                                              reply_size);
5986         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
5987                 if (p2p_ctrl_listen(wpa_s, buf + 11))
5988                         reply_len = -1;
5989         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
5990                 if (p2p_ctrl_listen(wpa_s, ""))
5991                         reply_len = -1;
5992         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
5993                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
5994                         reply_len = -1;
5995         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
5996                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0, 0))
5997                         reply_len = -1;
5998         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
5999                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
6000                         reply_len = -1;
6001         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
6002                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
6003                         reply_len = -1;
6004         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
6005                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
6006         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
6007                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
6008                                                    reply_size);
6009         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
6010                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
6011                         reply_len = -1;
6012         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
6013                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
6014                         reply_len = -1;
6015         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
6016                 wpas_p2p_sd_service_update(wpa_s);
6017         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
6018                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
6019                         reply_len = -1;
6020         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
6021                 wpas_p2p_service_flush(wpa_s);
6022         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
6023                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
6024                         reply_len = -1;
6025         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
6026                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
6027                         reply_len = -1;
6028         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
6029                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
6030                         reply_len = -1;
6031         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
6032                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
6033                         reply_len = -1;
6034         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
6035                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
6036                                               reply_size);
6037         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
6038                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
6039                         reply_len = -1;
6040         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
6041                 p2p_ctrl_flush(wpa_s);
6042         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
6043                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
6044                         reply_len = -1;
6045         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
6046                 if (wpas_p2p_cancel(wpa_s))
6047                         reply_len = -1;
6048         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
6049                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
6050                         reply_len = -1;
6051         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
6052                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
6053                         reply_len = -1;
6054         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
6055                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
6056                         reply_len = -1;
6057         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
6058                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
6059                         reply_len = -1;
6060         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
6061                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
6062                         reply_len = -1;
6063 #endif /* CONFIG_P2P */
6064 #ifdef CONFIG_WIFI_DISPLAY
6065         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
6066                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
6067                         reply_len = -1;
6068         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
6069                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
6070                                                      reply, reply_size);
6071 #endif /* CONFIG_WIFI_DISPLAY */
6072 #ifdef CONFIG_INTERWORKING
6073         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
6074                 if (interworking_fetch_anqp(wpa_s) < 0)
6075                         reply_len = -1;
6076         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
6077                 interworking_stop_fetch_anqp(wpa_s);
6078         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
6079                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
6080                         reply_len = -1;
6081         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
6082                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
6083                         reply_len = -1;
6084         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
6085                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
6086                         reply_len = -1;
6087         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
6088                 if (get_anqp(wpa_s, buf + 9) < 0)
6089                         reply_len = -1;
6090         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
6091                 if (gas_request(wpa_s, buf + 12) < 0)
6092                         reply_len = -1;
6093         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
6094                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
6095                                              reply_size);
6096 #endif /* CONFIG_INTERWORKING */
6097 #ifdef CONFIG_HS20
6098         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
6099                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
6100                         reply_len = -1;
6101         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
6102                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
6103                         reply_len = -1;
6104 #endif /* CONFIG_HS20 */
6105         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
6106         {
6107                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
6108                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
6109                         reply_len = -1;
6110                 else {
6111                         /*
6112                          * Notify response from timeout to allow the control
6113                          * interface response to be sent first.
6114                          */
6115                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
6116                                                wpa_s, NULL);
6117                 }
6118         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
6119                 if (wpa_supplicant_reload_configuration(wpa_s))
6120                         reply_len = -1;
6121         } else if (os_strcmp(buf, "TERMINATE") == 0) {
6122                 wpa_supplicant_terminate_proc(wpa_s->global);
6123         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
6124                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
6125                         reply_len = -1;
6126         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
6127                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
6128                         wpa_s, buf + 9, reply, reply_size);
6129         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
6130                 reply_len = wpa_supplicant_ctrl_iface_log_level(
6131                         wpa_s, buf + 9, reply, reply_size);
6132         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
6133                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
6134                         wpa_s, reply, reply_size);
6135         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
6136 #ifdef CONFIG_SME
6137                 wpa_s->sme.prev_bssid_set = 0;
6138 #endif /* CONFIG_SME */
6139                 wpa_s->reassociate = 0;
6140                 wpa_s->disconnected = 1;
6141                 wpa_supplicant_cancel_sched_scan(wpa_s);
6142                 wpa_supplicant_cancel_scan(wpa_s);
6143                 wpa_supplicant_deauthenticate(wpa_s,
6144                                               WLAN_REASON_DEAUTH_LEAVING);
6145         } else if (os_strcmp(buf, "SCAN") == 0) {
6146                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
6147         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
6148                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
6149         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
6150                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
6151                         wpa_s, reply, reply_size);
6152         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
6153                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
6154                         reply_len = -1;
6155         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
6156                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
6157                         reply_len = -1;
6158         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
6159                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
6160                         reply_len = -1;
6161         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
6162                 reply_len = wpa_supplicant_ctrl_iface_add_network(
6163                         wpa_s, reply, reply_size);
6164         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
6165                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
6166                         reply_len = -1;
6167         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
6168                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
6169                         reply_len = -1;
6170         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
6171                 reply_len = wpa_supplicant_ctrl_iface_get_network(
6172                         wpa_s, buf + 12, reply, reply_size);
6173         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
6174                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
6175                         wpa_s, reply, reply_size);
6176         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
6177                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
6178                         wpa_s, reply, reply_size);
6179         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
6180                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
6181                         reply_len = -1;
6182         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
6183                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
6184                         reply_len = -1;
6185 #ifndef CONFIG_NO_CONFIG_WRITE
6186         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
6187                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
6188                         reply_len = -1;
6189 #endif /* CONFIG_NO_CONFIG_WRITE */
6190         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
6191                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
6192                         wpa_s, buf + 15, reply, reply_size);
6193         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
6194                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
6195                         reply_len = -1;
6196         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
6197                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
6198                         reply_len = -1;
6199         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
6200                 reply_len = wpa_supplicant_global_iface_list(
6201                         wpa_s->global, reply, reply_size);
6202         } else if (os_strcmp(buf, "INTERFACES") == 0) {
6203                 reply_len = wpa_supplicant_global_iface_interfaces(
6204                         wpa_s->global, reply, reply_size);
6205         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
6206                 reply_len = wpa_supplicant_ctrl_iface_bss(
6207                         wpa_s, buf + 4, reply, reply_size);
6208 #ifdef CONFIG_AP
6209         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
6210                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
6211         } else if (os_strncmp(buf, "STA ", 4) == 0) {
6212                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
6213                                               reply_size);
6214         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
6215                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
6216                                                    reply_size);
6217         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
6218                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
6219                         reply_len = -1;
6220         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
6221                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
6222                         reply_len = -1;
6223         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
6224                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
6225                         reply_len = -1;
6226 #endif /* CONFIG_AP */
6227         } else if (os_strcmp(buf, "SUSPEND") == 0) {
6228                 wpas_notify_suspend(wpa_s->global);
6229         } else if (os_strcmp(buf, "RESUME") == 0) {
6230                 wpas_notify_resume(wpa_s->global);
6231         } else if (os_strcmp(buf, "DROP_SA") == 0) {
6232                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
6233         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
6234                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
6235                         reply_len = -1;
6236         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
6237                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
6238                         reply_len = -1;
6239         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
6240                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
6241                         reply_len = -1;
6242         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
6243                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
6244                                                                buf + 17))
6245                         reply_len = -1;
6246         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
6247                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
6248                         reply_len = -1;
6249 #ifdef CONFIG_TDLS
6250         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
6251                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
6252                         reply_len = -1;
6253         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
6254                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
6255                         reply_len = -1;
6256         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
6257                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
6258                         reply_len = -1;
6259 #endif /* CONFIG_TDLS */
6260         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
6261                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
6262                                                        reply_size);
6263         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
6264                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
6265                                                        reply_size);
6266 #ifdef CONFIG_AUTOSCAN
6267         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
6268                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
6269                         reply_len = -1;
6270 #endif /* CONFIG_AUTOSCAN */
6271 #ifdef ANDROID
6272         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
6273                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
6274                                                       reply_size);
6275 #endif /* ANDROID */
6276         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
6277                 pmksa_cache_clear_current(wpa_s->wpa);
6278                 eapol_sm_request_reauth(wpa_s->eapol);
6279 #ifdef CONFIG_WNM
6280         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
6281                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
6282                         reply_len = -1;
6283         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 10) == 0) {
6284                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 10))
6285                                 reply_len = -1;
6286 #endif /* CONFIG_WNM */
6287         } else if (os_strcmp(buf, "FLUSH") == 0) {
6288                 wpa_supplicant_ctrl_iface_flush(wpa_s);
6289         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
6290                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
6291                                                  reply_size);
6292         } else {
6293                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
6294                 reply_len = 16;
6295         }
6296
6297         if (reply_len < 0) {
6298                 os_memcpy(reply, "FAIL\n", 5);
6299                 reply_len = 5;
6300         }
6301
6302         *resp_len = reply_len;
6303         return reply;
6304 }
6305
6306
6307 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
6308                                            char *cmd)
6309 {
6310         struct wpa_interface iface;
6311         char *pos;
6312
6313         /*
6314          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
6315          * TAB<bridge_ifname>
6316          */
6317         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
6318
6319         os_memset(&iface, 0, sizeof(iface));
6320
6321         do {
6322                 iface.ifname = pos = cmd;
6323                 pos = os_strchr(pos, '\t');
6324                 if (pos)
6325                         *pos++ = '\0';
6326                 if (iface.ifname[0] == '\0')
6327                         return -1;
6328                 if (pos == NULL)
6329                         break;
6330
6331                 iface.confname = pos;
6332                 pos = os_strchr(pos, '\t');
6333                 if (pos)
6334                         *pos++ = '\0';
6335                 if (iface.confname[0] == '\0')
6336                         iface.confname = NULL;
6337                 if (pos == NULL)
6338                         break;
6339
6340                 iface.driver = pos;
6341                 pos = os_strchr(pos, '\t');
6342                 if (pos)
6343                         *pos++ = '\0';
6344                 if (iface.driver[0] == '\0')
6345                         iface.driver = NULL;
6346                 if (pos == NULL)
6347                         break;
6348
6349                 iface.ctrl_interface = pos;
6350                 pos = os_strchr(pos, '\t');
6351                 if (pos)
6352                         *pos++ = '\0';
6353                 if (iface.ctrl_interface[0] == '\0')
6354                         iface.ctrl_interface = NULL;
6355                 if (pos == NULL)
6356                         break;
6357
6358                 iface.driver_param = pos;
6359                 pos = os_strchr(pos, '\t');
6360                 if (pos)
6361                         *pos++ = '\0';
6362                 if (iface.driver_param[0] == '\0')
6363                         iface.driver_param = NULL;
6364                 if (pos == NULL)
6365                         break;
6366
6367                 iface.bridge_ifname = pos;
6368                 pos = os_strchr(pos, '\t');
6369                 if (pos)
6370                         *pos++ = '\0';
6371                 if (iface.bridge_ifname[0] == '\0')
6372                         iface.bridge_ifname = NULL;
6373                 if (pos == NULL)
6374                         break;
6375         } while (0);
6376
6377         if (wpa_supplicant_get_iface(global, iface.ifname))
6378                 return -1;
6379
6380         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
6381 }
6382
6383
6384 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
6385                                               char *cmd)
6386 {
6387         struct wpa_supplicant *wpa_s;
6388
6389         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
6390
6391         wpa_s = wpa_supplicant_get_iface(global, cmd);
6392         if (wpa_s == NULL)
6393                 return -1;
6394         return wpa_supplicant_remove_iface(global, wpa_s, 0);
6395 }
6396
6397
6398 static void wpa_free_iface_info(struct wpa_interface_info *iface)
6399 {
6400         struct wpa_interface_info *prev;
6401
6402         while (iface) {
6403                 prev = iface;
6404                 iface = iface->next;
6405
6406                 os_free(prev->ifname);
6407                 os_free(prev->desc);
6408                 os_free(prev);
6409         }
6410 }
6411
6412
6413 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
6414                                             char *buf, int len)
6415 {
6416         int i, res;
6417         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
6418         char *pos, *end;
6419
6420         for (i = 0; wpa_drivers[i]; i++) {
6421                 struct wpa_driver_ops *drv = wpa_drivers[i];
6422                 if (drv->get_interfaces == NULL)
6423                         continue;
6424                 tmp = drv->get_interfaces(global->drv_priv[i]);
6425                 if (tmp == NULL)
6426                         continue;
6427
6428                 if (last == NULL)
6429                         iface = last = tmp;
6430                 else
6431                         last->next = tmp;
6432                 while (last->next)
6433                         last = last->next;
6434         }
6435
6436         pos = buf;
6437         end = buf + len;
6438         for (tmp = iface; tmp; tmp = tmp->next) {
6439                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
6440                                   tmp->drv_name, tmp->ifname,
6441                                   tmp->desc ? tmp->desc : "");
6442                 if (res < 0 || res >= end - pos) {
6443                         *pos = '\0';
6444                         break;
6445                 }
6446                 pos += res;
6447         }
6448
6449         wpa_free_iface_info(iface);
6450
6451         return pos - buf;
6452 }
6453
6454
6455 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
6456                                                   char *buf, int len)
6457 {
6458         int res;
6459         char *pos, *end;
6460         struct wpa_supplicant *wpa_s;
6461
6462         wpa_s = global->ifaces;
6463         pos = buf;
6464         end = buf + len;
6465
6466         while (wpa_s) {
6467                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
6468                 if (res < 0 || res >= end - pos) {
6469                         *pos = '\0';
6470                         break;
6471                 }
6472                 pos += res;
6473                 wpa_s = wpa_s->next;
6474         }
6475         return pos - buf;
6476 }
6477
6478
6479 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
6480                                             const char *ifname,
6481                                             char *cmd, size_t *resp_len)
6482 {
6483         struct wpa_supplicant *wpa_s;
6484
6485         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6486                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
6487                         break;
6488         }
6489
6490         if (wpa_s == NULL) {
6491                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
6492                 if (resp)
6493                         *resp_len = os_strlen(resp);
6494                 else
6495                         *resp_len = 1;
6496                 return resp;
6497         }
6498
6499         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
6500 }
6501
6502
6503 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
6504                                                char *buf, size_t *resp_len)
6505 {
6506 #ifdef CONFIG_P2P
6507         static const char * cmd[] = {
6508                 "LIST_NETWORKS",
6509                 "SAVE_CONFIG",
6510                 "P2P_FIND",
6511                 "P2P_STOP_FIND",
6512                 "P2P_LISTEN",
6513                 "P2P_GROUP_ADD",
6514                 "P2P_GET_PASSPHRASE",
6515                 "P2P_SERVICE_UPDATE",
6516                 "P2P_SERVICE_FLUSH",
6517                 "P2P_FLUSH",
6518                 "P2P_CANCEL",
6519                 "P2P_PRESENCE_REQ",
6520                 "P2P_EXT_LISTEN",
6521                 NULL
6522         };
6523         static const char * prefix[] = {
6524 #ifdef ANDROID
6525                 "DRIVER ",
6526 #endif /* ANDROID */
6527                 "GET_NETWORK ",
6528                 "REMOVE_NETWORK ",
6529                 "SET ",
6530                 "P2P_FIND ",
6531                 "P2P_CONNECT ",
6532                 "P2P_LISTEN ",
6533                 "P2P_GROUP_REMOVE ",
6534                 "P2P_GROUP_ADD ",
6535                 "P2P_PROV_DISC ",
6536                 "P2P_SERV_DISC_REQ ",
6537                 "P2P_SERV_DISC_CANCEL_REQ ",
6538                 "P2P_SERV_DISC_RESP ",
6539                 "P2P_SERV_DISC_EXTERNAL ",
6540                 "P2P_SERVICE_ADD ",
6541                 "P2P_SERVICE_DEL ",
6542                 "P2P_REJECT ",
6543                 "P2P_INVITE ",
6544                 "P2P_PEER ",
6545                 "P2P_SET ",
6546                 "P2P_UNAUTHORIZE ",
6547                 "P2P_PRESENCE_REQ ",
6548                 "P2P_EXT_LISTEN ",
6549                 "P2P_REMOVE_CLIENT ",
6550                 NULL
6551         };
6552         int found = 0;
6553         int i;
6554
6555         if (global->p2p_init_wpa_s == NULL)
6556                 return NULL;
6557
6558         for (i = 0; !found && cmd[i]; i++) {
6559                 if (os_strcmp(buf, cmd[i]) == 0)
6560                         found = 1;
6561         }
6562
6563         for (i = 0; !found && prefix[i]; i++) {
6564                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
6565                         found = 1;
6566         }
6567
6568         if (found)
6569                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
6570                                                          buf, resp_len);
6571 #endif /* CONFIG_P2P */
6572         return NULL;
6573 }
6574
6575
6576 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
6577                                                char *buf, size_t *resp_len)
6578 {
6579 #ifdef CONFIG_WIFI_DISPLAY
6580         if (global->p2p_init_wpa_s == NULL)
6581                 return NULL;
6582         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
6583             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
6584                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
6585                                                          buf, resp_len);
6586 #endif /* CONFIG_WIFI_DISPLAY */
6587         return NULL;
6588 }
6589
6590
6591 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
6592                                            char *buf, size_t *resp_len)
6593 {
6594         char *ret;
6595
6596         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
6597         if (ret)
6598                 return ret;
6599
6600         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
6601         if (ret)
6602                 return ret;
6603
6604         return NULL;
6605 }
6606
6607
6608 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
6609 {
6610         char *value;
6611
6612         value = os_strchr(cmd, ' ');
6613         if (value == NULL)
6614                 return -1;
6615         *value++ = '\0';
6616
6617         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
6618
6619 #ifdef CONFIG_WIFI_DISPLAY
6620         if (os_strcasecmp(cmd, "wifi_display") == 0) {
6621                 wifi_display_enable(global, !!atoi(value));
6622                 return 0;
6623         }
6624 #endif /* CONFIG_WIFI_DISPLAY */
6625
6626         return -1;
6627 }
6628
6629
6630 #ifndef CONFIG_NO_CONFIG_WRITE
6631 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
6632 {
6633         int ret = 0;
6634         struct wpa_supplicant *wpa_s;
6635
6636         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6637                 if (!wpa_s->conf->update_config) {
6638                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
6639                         continue;
6640                 }
6641
6642                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
6643                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
6644                         ret = 1;
6645                 } else {
6646                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
6647                 }
6648         }
6649
6650         return ret;
6651 }
6652 #endif /* CONFIG_NO_CONFIG_WRITE */
6653
6654
6655 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
6656                                          char *buf, size_t buflen)
6657 {
6658         char *pos, *end;
6659         int ret;
6660         struct wpa_supplicant *wpa_s;
6661
6662         pos = buf;
6663         end = buf + buflen;
6664
6665 #ifdef CONFIG_P2P
6666         if (global->p2p && !global->p2p_disabled) {
6667                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
6668                                   "\n"
6669                                   "p2p_state=%s\n",
6670                                   MAC2STR(global->p2p_dev_addr),
6671                                   p2p_get_state_txt(global->p2p));
6672                 if (ret < 0 || ret >= end - pos)
6673                         return pos - buf;
6674                 pos += ret;
6675         } else if (global->p2p) {
6676                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
6677                 if (ret < 0 || ret >= end - pos)
6678                         return pos - buf;
6679                 pos += ret;
6680         }
6681 #endif /* CONFIG_P2P */
6682
6683 #ifdef CONFIG_WIFI_DISPLAY
6684         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
6685                           !!global->wifi_display);
6686         if (ret < 0 || ret >= end - pos)
6687                 return pos - buf;
6688         pos += ret;
6689 #endif /* CONFIG_WIFI_DISPLAY */
6690
6691         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6692                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
6693                                   "address=" MACSTR "\n",
6694                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
6695                 if (ret < 0 || ret >= end - pos)
6696                         return pos - buf;
6697                 pos += ret;
6698         }
6699
6700         return pos - buf;
6701 }
6702
6703
6704 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
6705                                                 char *buf, size_t *resp_len)
6706 {
6707         char *reply;
6708         const int reply_size = 2048;
6709         int reply_len;
6710         int level = MSG_DEBUG;
6711
6712         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
6713                 char *pos = os_strchr(buf + 7, ' ');
6714                 if (pos) {
6715                         *pos++ = '\0';
6716                         return wpas_global_ctrl_iface_ifname(global,
6717                                                              buf + 7, pos,
6718                                                              resp_len);
6719                 }
6720         }
6721
6722         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
6723         if (reply)
6724                 return reply;
6725
6726         if (os_strcmp(buf, "PING") == 0)
6727                 level = MSG_EXCESSIVE;
6728         wpa_hexdump_ascii(level, "RX global ctrl_iface",
6729                           (const u8 *) buf, os_strlen(buf));
6730
6731         reply = os_malloc(reply_size);
6732         if (reply == NULL) {
6733                 *resp_len = 1;
6734                 return NULL;
6735         }
6736
6737         os_memcpy(reply, "OK\n", 3);
6738         reply_len = 3;
6739
6740         if (os_strcmp(buf, "PING") == 0) {
6741                 os_memcpy(reply, "PONG\n", 5);
6742                 reply_len = 5;
6743         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
6744                 if (wpa_supplicant_global_iface_add(global, buf + 14))
6745                         reply_len = -1;
6746         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
6747                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
6748                         reply_len = -1;
6749         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
6750                 reply_len = wpa_supplicant_global_iface_list(
6751                         global, reply, reply_size);
6752         } else if (os_strcmp(buf, "INTERFACES") == 0) {
6753                 reply_len = wpa_supplicant_global_iface_interfaces(
6754                         global, reply, reply_size);
6755         } else if (os_strcmp(buf, "TERMINATE") == 0) {
6756                 wpa_supplicant_terminate_proc(global);
6757         } else if (os_strcmp(buf, "SUSPEND") == 0) {
6758                 wpas_notify_suspend(global);
6759         } else if (os_strcmp(buf, "RESUME") == 0) {
6760                 wpas_notify_resume(global);
6761         } else if (os_strncmp(buf, "SET ", 4) == 0) {
6762                 if (wpas_global_ctrl_iface_set(global, buf + 4))
6763                         reply_len = -1;
6764 #ifndef CONFIG_NO_CONFIG_WRITE
6765         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
6766                 if (wpas_global_ctrl_iface_save_config(global))
6767                         reply_len = -1;
6768 #endif /* CONFIG_NO_CONFIG_WRITE */
6769         } else if (os_strcmp(buf, "STATUS") == 0) {
6770                 reply_len = wpas_global_ctrl_iface_status(global, reply,
6771                                                           reply_size);
6772         } else {
6773                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
6774                 reply_len = 16;
6775         }
6776
6777         if (reply_len < 0) {
6778                 os_memcpy(reply, "FAIL\n", 5);
6779                 reply_len = 5;
6780         }
6781
6782         *resp_len = reply_len;
6783         return reply;
6784 }