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