wpa_supplicant/ctrl_iface.c

   1 /*
   2  * WPA Supplicant / Control interface (shared code for all backends)
   3  * Copyright (c) 2004-2013, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10
  11 #include "utils/common.h"
  12 #include "utils/eloop.h"
  13 #include "common/version.h"
  14 #include "common/ieee802_11_defs.h"
  15 #include "common/ieee802_11_common.h"
  16 #include "common/wpa_ctrl.h"
  17 #include "eap_peer/eap.h"
  18 #include "eapol_supp/eapol_supp_sm.h"
  19 #include "rsn_supp/wpa.h"
  20 #include "rsn_supp/preauth.h"
  21 #include "rsn_supp/pmksa_cache.h"
  22 #include "l2_packet/l2_packet.h"
  23 #include "wps/wps.h"
  24 #include "config.h"
  25 #include "wpa_supplicant_i.h"
  26 #include "driver_i.h"
  27 #include "wps_supplicant.h"
  28 #include "ibss_rsn.h"
  29 #include "ap.h"
  30 #include "p2p_supplicant.h"
  31 #include "p2p/p2p.h"
  32 #include "hs20_supplicant.h"
  33 #include "wifi_display.h"
  34 #include "notify.h"
  35 #include "bss.h"
  36 #include "scan.h"
  37 #include "ctrl_iface.h"
  38 #include "interworking.h"
  39 #include "blacklist.h"
  40 #include "autoscan.h"
  41 #include "wnm_sta.h"
  42
  43 extern struct wpa_driver_ops *wpa_drivers[];
  44
  45 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
  46                                             char *buf, int len);
  47 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
  48                                                   char *buf, int len);
  49
  50
  51 static int pno_start(struct wpa_supplicant *wpa_s)
  52 {
  53         int ret, interval;
  54         size_t i, num_ssid;
  55         struct wpa_ssid *ssid;
  56         struct wpa_driver_scan_params params;
  57
  58         if (wpa_s->pno)
  59                 return 0;
  60
  61         if (wpa_s->wpa_state == WPA_SCANNING) {
  62                 wpa_supplicant_cancel_sched_scan(wpa_s);
  63                 wpa_supplicant_cancel_scan(wpa_s);
  64         }
  65
  66         os_memset(&params, 0, sizeof(params));
  67
  68         num_ssid = 0;
  69         ssid = wpa_s->conf->ssid;
  70         while (ssid) {
  71                 if (!wpas_network_disabled(wpa_s, ssid))
  72                         num_ssid++;
  73                 ssid = ssid->next;
  74         }
  75         if (num_ssid > WPAS_MAX_SCAN_SSIDS) {
  76                 wpa_printf(MSG_DEBUG, "PNO: Use only the first %u SSIDs from "
  77                            "%u", WPAS_MAX_SCAN_SSIDS, (unsigned int) num_ssid);
  78                 num_ssid = WPAS_MAX_SCAN_SSIDS;
  79         }
  80
  81         if (num_ssid == 0) {
  82                 wpa_printf(MSG_DEBUG, "PNO: No configured SSIDs");
  83                 return -1;
  84         }
  85
  86         params.filter_ssids = os_malloc(sizeof(struct wpa_driver_scan_filter) *
  87                                         num_ssid);
  88         if (params.filter_ssids == NULL)
  89                 return -1;
  90         i = 0;
  91         ssid = wpa_s->conf->ssid;
  92         while (ssid) {
  93                 if (!wpas_network_disabled(wpa_s, ssid)) {
  94                         params.ssids[i].ssid = ssid->ssid;
  95                         params.ssids[i].ssid_len = ssid->ssid_len;
  96                         params.num_ssids++;
  97                         os_memcpy(params.filter_ssids[i].ssid, ssid->ssid,
  98                                   ssid->ssid_len);
  99                         params.filter_ssids[i].ssid_len = ssid->ssid_len;
 100                         params.num_filter_ssids++;
 101                         i++;
 102                         if (i == num_ssid)
 103                                 break;
 104                 }
 105                 ssid = ssid->next;
 106         }
 107
 108         if (wpa_s->conf->filter_rssi)
 109                 params.filter_rssi = wpa_s->conf->filter_rssi;
 110
 111         interval = wpa_s->conf->sched_scan_interval ?
 112                 wpa_s->conf->sched_scan_interval : 10;
 113
 114         ret = wpa_drv_sched_scan(wpa_s, &params, interval * 1000);
 115         os_free(params.filter_ssids);
 116         if (ret == 0)
 117                 wpa_s->pno = 1;
 118         return ret;
 119 }
 120
 121
 122 static int pno_stop(struct wpa_supplicant *wpa_s)
 123 {
 124         int ret = 0;
 125
 126         if (wpa_s->pno) {
 127                 wpa_s->pno = 0;
 128                 ret = wpa_drv_stop_sched_scan(wpa_s);
 129         }
 130
 131         if (wpa_s->wpa_state == WPA_SCANNING)
 132                 wpa_supplicant_req_scan(wpa_s, 0, 0);
 133
 134         return ret;
 135 }
 136
 137
 138 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
 139 {
 140         char *pos;
 141         u8 addr[ETH_ALEN], *filter = NULL, *n;
 142         size_t count = 0;
 143
 144         pos = val;
 145         while (pos) {
 146                 if (*pos == '\0')
 147                         break;
 148                 if (hwaddr_aton(pos, addr)) {
 149                         os_free(filter);
 150                         return -1;
 151                 }
 152                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
 153                 if (n == NULL) {
 154                         os_free(filter);
 155                         return -1;
 156                 }
 157                 filter = n;
 158                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
 159                 count++;
 160
 161                 pos = os_strchr(pos, ' ');
 162                 if (pos)
 163                         pos++;
 164         }
 165
 166         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
 167         os_free(wpa_s->bssid_filter);
 168         wpa_s->bssid_filter = filter;
 169         wpa_s->bssid_filter_count = count;
 170
 171         return 0;
 172 }
 173
 174
 175 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
 176 {
 177         char *pos;
 178         u8 addr[ETH_ALEN], *bssid = NULL, *n;
 179         struct wpa_ssid_value *ssid = NULL, *ns;
 180         size_t count = 0, ssid_count = 0;
 181         struct wpa_ssid *c;
 182
 183         /*
 184          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
 185          * SSID_SPEC ::= ssid <SSID_HEX>
 186          * BSSID_SPEC ::= bssid <BSSID_HEX>
 187          */
 188
 189         pos = val;
 190         while (pos) {
 191                 if (*pos == '\0')
 192                         break;
 193                 if (os_strncmp(pos, "bssid ", 6) == 0) {
 194                         int res;
 195                         pos += 6;
 196                         res = hwaddr_aton2(pos, addr);
 197                         if (res < 0) {
 198                                 os_free(ssid);
 199                                 os_free(bssid);
 200                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 201                                            "BSSID value '%s'", pos);
 202                                 return -1;
 203                         }
 204                         pos += res;
 205                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
 206                         if (n == NULL) {
 207                                 os_free(ssid);
 208                                 os_free(bssid);
 209                                 return -1;
 210                         }
 211                         bssid = n;
 212                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
 213                         count++;
 214                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
 215                         char *end;
 216                         pos += 5;
 217
 218                         end = pos;
 219                         while (*end) {
 220                                 if (*end == '\0' || *end == ' ')
 221                                         break;
 222                                 end++;
 223                         }
 224
 225                         ns = os_realloc_array(ssid, ssid_count + 1,
 226                                               sizeof(struct wpa_ssid_value));
 227                         if (ns == NULL) {
 228                                 os_free(ssid);
 229                                 os_free(bssid);
 230                                 return -1;
 231                         }
 232                         ssid = ns;
 233
 234                         if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
 235                             hexstr2bin(pos, ssid[ssid_count].ssid,
 236                                        (end - pos) / 2) < 0) {
 237                                 os_free(ssid);
 238                                 os_free(bssid);
 239                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 240                                            "SSID value '%s'", pos);
 241                                 return -1;
 242                         }
 243                         ssid[ssid_count].ssid_len = (end - pos) / 2;
 244                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
 245                                           ssid[ssid_count].ssid,
 246                                           ssid[ssid_count].ssid_len);
 247                         ssid_count++;
 248                         pos = end;
 249                 } else {
 250                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
 251                                    "'%s'", pos);
 252                         os_free(ssid);
 253                         os_free(bssid);
 254                         return -1;
 255                 }
 256
 257                 pos = os_strchr(pos, ' ');
 258                 if (pos)
 259                         pos++;
 260         }
 261
 262         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
 263         os_free(wpa_s->disallow_aps_bssid);
 264         wpa_s->disallow_aps_bssid = bssid;
 265         wpa_s->disallow_aps_bssid_count = count;
 266
 267         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
 268         os_free(wpa_s->disallow_aps_ssid);
 269         wpa_s->disallow_aps_ssid = ssid;
 270         wpa_s->disallow_aps_ssid_count = ssid_count;
 271
 272         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
 273                 return 0;
 274
 275         c = wpa_s->current_ssid;
 276         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
 277                 return 0;
 278
 279         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
 280             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
 281                 return 0;
 282
 283         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
 284                    "because current AP was marked disallowed");
 285
 286 #ifdef CONFIG_SME
 287         wpa_s->sme.prev_bssid_set = 0;
 288 #endif /* CONFIG_SME */
 289         wpa_s->reassociate = 1;
 290         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
 291         wpa_supplicant_req_scan(wpa_s, 0, 0);
 292
 293         return 0;
 294 }
 295
 296
 297 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
 298                                          char *cmd)
 299 {
 300         char *value;
 301         int ret = 0;
 302
 303         value = os_strchr(cmd, ' ');
 304         if (value == NULL)
 305                 return -1;
 306         *value++ = '\0';
 307
 308         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
 309         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
 310                 eapol_sm_configure(wpa_s->eapol,
 311                                    atoi(value), -1, -1, -1);
 312         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
 313                 eapol_sm_configure(wpa_s->eapol,
 314                                    -1, atoi(value), -1, -1);
 315         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
 316                 eapol_sm_configure(wpa_s->eapol,
 317                                    -1, -1, atoi(value), -1);
 318         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
 319                 eapol_sm_configure(wpa_s->eapol,
 320                                    -1, -1, -1, atoi(value));
 321         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
 322                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
 323                                      atoi(value)))
 324                         ret = -1;
 325         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
 326                    0) {
 327                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
 328                                      atoi(value)))
 329                         ret = -1;
 330         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
 331                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
 332                         ret = -1;
 333         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
 334                 wpa_s->wps_fragment_size = atoi(value);
 335 #ifdef CONFIG_WPS_TESTING
 336         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
 337                 long int val;
 338                 val = strtol(value, NULL, 0);
 339                 if (val < 0 || val > 0xff) {
 340                         ret = -1;
 341                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
 342                                    "wps_version_number %ld", val);
 343                 } else {
 344                         wps_version_number = val;
 345                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
 346                                    "version %u.%u",
 347                                    (wps_version_number & 0xf0) >> 4,
 348                                    wps_version_number & 0x0f);
 349                 }
 350         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
 351                 wps_testing_dummy_cred = atoi(value);
 352                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
 353                            wps_testing_dummy_cred);
 354 #endif /* CONFIG_WPS_TESTING */
 355         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
 356                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
 357                         ret = -1;
 358 #ifdef CONFIG_TDLS_TESTING
 359         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
 360                 extern unsigned int tdls_testing;
 361                 tdls_testing = strtol(value, NULL, 0);
 362                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
 363 #endif /* CONFIG_TDLS_TESTING */
 364 #ifdef CONFIG_TDLS
 365         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
 366                 int disabled = atoi(value);
 367                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
 368                 if (disabled) {
 369                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
 370                                 ret = -1;
 371                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
 372                         ret = -1;
 373                 wpa_tdls_enable(wpa_s->wpa, !disabled);
 374 #endif /* CONFIG_TDLS */
 375         } else if (os_strcasecmp(cmd, "pno") == 0) {
 376                 if (atoi(value))
 377                         ret = pno_start(wpa_s);
 378                 else
 379                         ret = pno_stop(wpa_s);
 380         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
 381                 int disabled = atoi(value);
 382                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
 383                         ret = -1;
 384                 else if (disabled)
 385                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
 386         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
 387                 if (os_strcmp(value, "disable") == 0)
 388                         wpa_s->set_sta_uapsd = 0;
 389                 else {
 390                         int be, bk, vi, vo;
 391                         char *pos;
 392                         /* format: BE,BK,VI,VO;max SP Length */
 393                         be = atoi(value);
 394                         pos = os_strchr(value, ',');
 395                         if (pos == NULL)
 396                                 return -1;
 397                         pos++;
 398                         bk = atoi(pos);
 399                         pos = os_strchr(pos, ',');
 400                         if (pos == NULL)
 401                                 return -1;
 402                         pos++;
 403                         vi = atoi(pos);
 404                         pos = os_strchr(pos, ',');
 405                         if (pos == NULL)
 406                                 return -1;
 407                         pos++;
 408                         vo = atoi(pos);
 409                         /* ignore max SP Length for now */
 410
 411                         wpa_s->set_sta_uapsd = 1;
 412                         wpa_s->sta_uapsd = 0;
 413                         if (be)
 414                                 wpa_s->sta_uapsd |= BIT(0);
 415                         if (bk)
 416                                 wpa_s->sta_uapsd |= BIT(1);
 417                         if (vi)
 418                                 wpa_s->sta_uapsd |= BIT(2);
 419                         if (vo)
 420                                 wpa_s->sta_uapsd |= BIT(3);
 421                 }
 422         } else if (os_strcasecmp(cmd, "ps") == 0) {
 423                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
 424 #ifdef CONFIG_WIFI_DISPLAY
 425         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 426                 wifi_display_enable(wpa_s->global, !!atoi(value));
 427 #endif /* CONFIG_WIFI_DISPLAY */
 428         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
 429                 ret = set_bssid_filter(wpa_s, value);
 430         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
 431                 ret = set_disallow_aps(wpa_s, value);
 432         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
 433                 wpa_s->no_keep_alive = !!atoi(value);
 434         } else {
 435                 value[-1] = '=';
 436                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
 437                 if (ret == 0)
 438                         wpa_supplicant_update_config(wpa_s);
 439         }
 440
 441         return ret;
 442 }
 443
 444
 445 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
 446                                          char *cmd, char *buf, size_t buflen)
 447 {
 448         int res = -1;
 449
 450         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
 451
 452         if (os_strcmp(cmd, "version") == 0) {
 453                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
 454         } else if (os_strcasecmp(cmd, "country") == 0) {
 455                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
 456                         res = os_snprintf(buf, buflen, "%c%c",
 457                                           wpa_s->conf->country[0],
 458                                           wpa_s->conf->country[1]);
 459 #ifdef CONFIG_WIFI_DISPLAY
 460         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 461                 res = os_snprintf(buf, buflen, "%d",
 462                                   wpa_s->global->wifi_display);
 463                 if (res < 0 || (unsigned int) res >= buflen)
 464                         return -1;
 465                 return res;
 466 #endif /* CONFIG_WIFI_DISPLAY */
 467 #ifdef CONFIG_TESTING_GET_GTK
 468         } else if (os_strcmp(cmd, "gtk") == 0) {
 469                 if (wpa_s->last_gtk_len == 0)
 470                         return -1;
 471                 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
 472                                        wpa_s->last_gtk_len);
 473                 return res;
 474 #endif /* CONFIG_TESTING_GET_GTK */
 475         }
 476
 477         if (res < 0 || (unsigned int) res >= buflen)
 478                 return -1;
 479         return res;
 480 }
 481
 482
 483 #ifdef IEEE8021X_EAPOL
 484 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
 485                                              char *addr)
 486 {
 487         u8 bssid[ETH_ALEN];
 488         struct wpa_ssid *ssid = wpa_s->current_ssid;
 489
 490         if (hwaddr_aton(addr, bssid)) {
 491                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
 492                            "'%s'", addr);
 493                 return -1;
 494         }
 495
 496         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
 497         rsn_preauth_deinit(wpa_s->wpa);
 498         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
 499                 return -1;
 500
 501         return 0;
 502 }
 503 #endif /* IEEE8021X_EAPOL */
 504
 505
 506 #ifdef CONFIG_PEERKEY
 507 /* MLME-STKSTART.request(peer) */
 508 static int wpa_supplicant_ctrl_iface_stkstart(
 509         struct wpa_supplicant *wpa_s, char *addr)
 510 {
 511         u8 peer[ETH_ALEN];
 512
 513         if (hwaddr_aton(addr, peer)) {
 514                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
 515                            "address '%s'", addr);
 516                 return -1;
 517         }
 518
 519         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
 520                    MAC2STR(peer));
 521
 522         return wpa_sm_stkstart(wpa_s->wpa, peer);
 523 }
 524 #endif /* CONFIG_PEERKEY */
 525
 526
 527 #ifdef CONFIG_TDLS
 528
 529 static int wpa_supplicant_ctrl_iface_tdls_discover(
 530         struct wpa_supplicant *wpa_s, char *addr)
 531 {
 532         u8 peer[ETH_ALEN];
 533         int ret;
 534
 535         if (hwaddr_aton(addr, peer)) {
 536                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
 537                            "address '%s'", addr);
 538                 return -1;
 539         }
 540
 541         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
 542                    MAC2STR(peer));
 543
 544         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 545                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
 546         else
 547                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
 548
 549         return ret;
 550 }
 551
 552
 553 static int wpa_supplicant_ctrl_iface_tdls_setup(
 554         struct wpa_supplicant *wpa_s, char *addr)
 555 {
 556         u8 peer[ETH_ALEN];
 557         int ret;
 558
 559         if (hwaddr_aton(addr, peer)) {
 560                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
 561                            "address '%s'", addr);
 562                 return -1;
 563         }
 564
 565         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
 566                    MAC2STR(peer));
 567
 568         wpa_tdls_remove(wpa_s->wpa, peer);
 569
 570         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 571                 ret = wpa_tdls_start(wpa_s->wpa, peer);
 572         else
 573                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 574
 575         return ret;
 576 }
 577
 578
 579 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 580         struct wpa_supplicant *wpa_s, char *addr)
 581 {
 582         u8 peer[ETH_ALEN];
 583         int ret;
 584
 585         if (hwaddr_aton(addr, peer)) {
 586                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 587                            "address '%s'", addr);
 588                 return -1;
 589         }
 590
 591         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 592                    MAC2STR(peer));
 593
 594         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 595                 ret = wpa_tdls_teardown_link(
 596                         wpa_s->wpa, peer,
 597                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 598         else
 599                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 600
 601         return ret;
 602 }
 603
 604 #endif /* CONFIG_TDLS */
 605
 606
 607 #ifdef CONFIG_IEEE80211R
 608 static int wpa_supplicant_ctrl_iface_ft_ds(
 609         struct wpa_supplicant *wpa_s, char *addr)
 610 {
 611         u8 target_ap[ETH_ALEN];
 612         struct wpa_bss *bss;
 613         const u8 *mdie;
 614
 615         if (hwaddr_aton(addr, target_ap)) {
 616                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 617                            "address '%s'", addr);
 618                 return -1;
 619         }
 620
 621         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 622
 623         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 624         if (bss)
 625                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 626         else
 627                 mdie = NULL;
 628
 629         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 630 }
 631 #endif /* CONFIG_IEEE80211R */
 632
 633
 634 #ifdef CONFIG_WPS
 635 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 636                                              char *cmd)
 637 {
 638         u8 bssid[ETH_ALEN], *_bssid = bssid;
 639 #ifdef CONFIG_P2P
 640         u8 p2p_dev_addr[ETH_ALEN];
 641 #endif /* CONFIG_P2P */
 642 #ifdef CONFIG_AP
 643         u8 *_p2p_dev_addr = NULL;
 644 #endif /* CONFIG_AP */
 645
 646         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 647                 _bssid = NULL;
 648 #ifdef CONFIG_P2P
 649         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 650                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 651                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 652                                    "P2P Device Address '%s'",
 653                                    cmd + 13);
 654                         return -1;
 655                 }
 656                 _p2p_dev_addr = p2p_dev_addr;
 657 #endif /* CONFIG_P2P */
 658         } else if (hwaddr_aton(cmd, bssid)) {
 659                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 660                            cmd);
 661                 return -1;
 662         }
 663
 664 #ifdef CONFIG_AP
 665         if (wpa_s->ap_iface)
 666                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 667 #endif /* CONFIG_AP */
 668
 669         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 670 }
 671
 672
 673 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 674                                              char *cmd, char *buf,
 675                                              size_t buflen)
 676 {
 677         u8 bssid[ETH_ALEN], *_bssid = bssid;
 678         char *pin;
 679         int ret;
 680
 681         pin = os_strchr(cmd, ' ');
 682         if (pin)
 683                 *pin++ = '\0';
 684
 685         if (os_strcmp(cmd, "any") == 0)
 686                 _bssid = NULL;
 687         else if (os_strcmp(cmd, "get") == 0) {
 688                 ret = wps_generate_pin();
 689                 goto done;
 690         } else if (hwaddr_aton(cmd, bssid)) {
 691                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 692                            cmd);
 693                 return -1;
 694         }
 695
 696 #ifdef CONFIG_AP
 697         if (wpa_s->ap_iface) {
 698                 int timeout = 0;
 699                 char *pos;
 700
 701                 if (pin) {
 702                         pos = os_strchr(pin, ' ');
 703                         if (pos) {
 704                                 *pos++ = '\0';
 705                                 timeout = atoi(pos);
 706                         }
 707                 }
 708
 709                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 710                                                  buf, buflen, timeout);
 711         }
 712 #endif /* CONFIG_AP */
 713
 714         if (pin) {
 715                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 716                                          DEV_PW_DEFAULT);
 717                 if (ret < 0)
 718                         return -1;
 719                 ret = os_snprintf(buf, buflen, "%s", pin);
 720                 if (ret < 0 || (size_t) ret >= buflen)
 721                         return -1;
 722                 return ret;
 723         }
 724
 725         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 726         if (ret < 0)
 727                 return -1;
 728
 729 done:
 730         /* Return the generated PIN */
 731         ret = os_snprintf(buf, buflen, "%08d", ret);
 732         if (ret < 0 || (size_t) ret >= buflen)
 733                 return -1;
 734         return ret;
 735 }
 736
 737
 738 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 739         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 740 {
 741         char pin[9];
 742         size_t len;
 743         char *pos;
 744         int ret;
 745
 746         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
 747                               (u8 *) cmd, os_strlen(cmd));
 748         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
 749                 if (*pos < '0' || *pos > '9')
 750                         continue;
 751                 pin[len++] = *pos;
 752                 if (len == 9) {
 753                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
 754                         return -1;
 755                 }
 756         }
 757         if (len != 4 && len != 8) {
 758                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
 759                 return -1;
 760         }
 761         pin[len] = '\0';
 762
 763         if (len == 8) {
 764                 unsigned int pin_val;
 765                 pin_val = atoi(pin);
 766                 if (!wps_pin_valid(pin_val)) {
 767                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
 768                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
 769                         if (ret < 0 || (size_t) ret >= buflen)
 770                                 return -1;
 771                         return ret;
 772                 }
 773         }
 774
 775         ret = os_snprintf(buf, buflen, "%s", pin);
 776         if (ret < 0 || (size_t) ret >= buflen)
 777                 return -1;
 778
 779         return ret;
 780 }
 781
 782
 783 #ifdef CONFIG_WPS_NFC
 784
 785 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
 786                                              char *cmd)
 787 {
 788         u8 bssid[ETH_ALEN], *_bssid = bssid;
 789
 790         if (cmd == NULL || cmd[0] == '\0')
 791                 _bssid = NULL;
 792         else if (hwaddr_aton(cmd, bssid))
 793                 return -1;
 794
 795         return wpas_wps_start_nfc(wpa_s, _bssid);
 796 }
 797
 798
 799 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
 800         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 801 {
 802         int ndef;
 803         struct wpabuf *buf;
 804         int res;
 805         char *pos;
 806
 807         pos = os_strchr(cmd, ' ');
 808         if (pos)
 809                 *pos++ = '\0';
 810         if (os_strcmp(cmd, "WPS") == 0)
 811                 ndef = 0;
 812         else if (os_strcmp(cmd, "NDEF") == 0)
 813                 ndef = 1;
 814         else
 815                 return -1;
 816
 817         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
 818         if (buf == NULL)
 819                 return -1;
 820
 821         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 822                                          wpabuf_len(buf));
 823         reply[res++] = '\n';
 824         reply[res] = '\0';
 825
 826         wpabuf_free(buf);
 827
 828         return res;
 829 }
 830
 831
 832 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
 833         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 834 {
 835         int ndef;
 836         struct wpabuf *buf;
 837         int res;
 838
 839         if (os_strcmp(cmd, "WPS") == 0)
 840                 ndef = 0;
 841         else if (os_strcmp(cmd, "NDEF") == 0)
 842                 ndef = 1;
 843         else
 844                 return -1;
 845
 846         buf = wpas_wps_nfc_token(wpa_s, ndef);
 847         if (buf == NULL)
 848                 return -1;
 849
 850         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 851                                          wpabuf_len(buf));
 852         reply[res++] = '\n';
 853         reply[res] = '\0';
 854
 855         wpabuf_free(buf);
 856
 857         return res;
 858 }
 859
 860
 861 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
 862         struct wpa_supplicant *wpa_s, char *pos)
 863 {
 864         size_t len;
 865         struct wpabuf *buf;
 866         int ret;
 867
 868         len = os_strlen(pos);
 869         if (len & 0x01)
 870                 return -1;
 871         len /= 2;
 872
 873         buf = wpabuf_alloc(len);
 874         if (buf == NULL)
 875                 return -1;
 876         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
 877                 wpabuf_free(buf);
 878                 return -1;
 879         }
 880
 881         ret = wpas_wps_nfc_tag_read(wpa_s, buf);
 882         wpabuf_free(buf);
 883
 884         return ret;
 885 }
 886
 887
 888 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
 889                                               char *reply, size_t max_len,
 890                                               int cr)
 891 {
 892         struct wpabuf *buf;
 893         int res;
 894
 895         buf = wpas_wps_nfc_handover_req(wpa_s, cr);
 896         if (buf == NULL)
 897                 return -1;
 898
 899         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 900                                          wpabuf_len(buf));
 901         reply[res++] = '\n';
 902         reply[res] = '\0';
 903
 904         wpabuf_free(buf);
 905
 906         return res;
 907 }
 908
 909
 910 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
 911                                           char *cmd, char *reply,
 912                                           size_t max_len)
 913 {
 914         char *pos;
 915
 916         pos = os_strchr(cmd, ' ');
 917         if (pos == NULL)
 918                 return -1;
 919         *pos++ = '\0';
 920
 921         if (os_strcmp(cmd, "NDEF") != 0)
 922                 return -1;
 923
 924         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
 925                 return wpas_ctrl_nfc_get_handover_req_wps(
 926                         wpa_s, reply, max_len, os_strcmp(pos, "WPS-CR") == 0);
 927         }
 928
 929         return -1;
 930 }
 931
 932
 933 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
 934                                               char *reply, size_t max_len,
 935                                               int ndef, int cr, char *uuid)
 936 {
 937         struct wpabuf *buf;
 938         int res;
 939
 940         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
 941         if (buf == NULL)
 942                 return -1;
 943
 944         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 945                                          wpabuf_len(buf));
 946         reply[res++] = '\n';
 947         reply[res] = '\0';
 948
 949         wpabuf_free(buf);
 950
 951         return res;
 952 }
 953
 954
 955 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
 956                                           char *cmd, char *reply,
 957                                           size_t max_len)
 958 {
 959         char *pos, *pos2;
 960         int ndef;
 961
 962         pos = os_strchr(cmd, ' ');
 963         if (pos == NULL)
 964                 return -1;
 965         *pos++ = '\0';
 966
 967         if (os_strcmp(cmd, "WPS") == 0)
 968                 ndef = 0;
 969         else if (os_strcmp(cmd, "NDEF") == 0)
 970                 ndef = 1;
 971         else
 972                 return -1;
 973
 974         pos2 = os_strchr(pos, ' ');
 975         if (pos2)
 976                 *pos2++ = '\0';
 977         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
 978                 return wpas_ctrl_nfc_get_handover_sel_wps(
 979                         wpa_s, reply, max_len, ndef,
 980                         os_strcmp(pos, "WPS-CR") == 0, pos2);
 981         }
 982
 983         return -1;
 984 }
 985
 986
 987 static int wpas_ctrl_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
 988                                          char *cmd, char *reply,
 989                                          size_t max_len)
 990 {
 991         size_t len;
 992         struct wpabuf *buf;
 993         int ret;
 994
 995         len = os_strlen(cmd);
 996         if (len & 0x01)
 997                 return -1;
 998         len /= 2;
 999
1000         buf = wpabuf_alloc(len);
1001         if (buf == NULL)
1002                 return -1;
1003         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
1004                 wpabuf_free(buf);
1005                 return -1;
1006         }
1007
1008         ret = wpas_wps_nfc_rx_handover_req(wpa_s, buf);
1009         wpabuf_free(buf);
1010
1011         return ret;
1012 }
1013
1014
1015 static int wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
1016                                          char *cmd)
1017 {
1018         size_t len;
1019         struct wpabuf *buf;
1020         int ret;
1021
1022         len = os_strlen(cmd);
1023         if (len & 0x01)
1024                 return -1;
1025         len /= 2;
1026
1027         buf = wpabuf_alloc(len);
1028         if (buf == NULL)
1029                 return -1;
1030         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
1031                 wpabuf_free(buf);
1032                 return -1;
1033         }
1034
1035         ret = wpas_wps_nfc_rx_handover_sel(wpa_s, buf);
1036         wpabuf_free(buf);
1037
1038         return ret;
1039 }
1040
1041
1042 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1043                                          char *cmd)
1044 {
1045         size_t len;
1046         struct wpabuf *req, *sel;
1047         int ret;
1048         char *pos, *role, *type, *pos2;
1049
1050         role = cmd;
1051         pos = os_strchr(role, ' ');
1052         if (pos == NULL)
1053                 return -1;
1054         *pos++ = '\0';
1055
1056         type = pos;
1057         pos = os_strchr(type, ' ');
1058         if (pos == NULL)
1059                 return -1;
1060         *pos++ = '\0';
1061
1062         pos2 = os_strchr(pos, ' ');
1063         if (pos2 == NULL)
1064                 return -1;
1065         *pos2++ = '\0';
1066
1067         len = os_strlen(pos);
1068         if (len & 0x01)
1069                 return -1;
1070         len /= 2;
1071
1072         req = wpabuf_alloc(len);
1073         if (req == NULL)
1074                 return -1;
1075         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1076                 wpabuf_free(req);
1077                 return -1;
1078         }
1079
1080         len = os_strlen(pos2);
1081         if (len & 0x01) {
1082                 wpabuf_free(req);
1083                 return -1;
1084         }
1085         len /= 2;
1086
1087         sel = wpabuf_alloc(len);
1088         if (sel == NULL) {
1089                 wpabuf_free(req);
1090                 return -1;
1091         }
1092         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1093                 wpabuf_free(req);
1094                 wpabuf_free(sel);
1095                 return -1;
1096         }
1097
1098         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1099                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1100         } else {
1101                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1102                            "reported: role=%s type=%s", role, type);
1103                 ret = -1;
1104         }
1105         wpabuf_free(req);
1106         wpabuf_free(sel);
1107
1108         return ret;
1109 }
1110
1111 #endif /* CONFIG_WPS_NFC */
1112
1113
1114 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1115                                              char *cmd)
1116 {
1117         u8 bssid[ETH_ALEN];
1118         char *pin;
1119         char *new_ssid;
1120         char *new_auth;
1121         char *new_encr;
1122         char *new_key;
1123         struct wps_new_ap_settings ap;
1124
1125         pin = os_strchr(cmd, ' ');
1126         if (pin == NULL)
1127                 return -1;
1128         *pin++ = '\0';
1129
1130         if (hwaddr_aton(cmd, bssid)) {
1131                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1132                            cmd);
1133                 return -1;
1134         }
1135
1136         new_ssid = os_strchr(pin, ' ');
1137         if (new_ssid == NULL)
1138                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1139         *new_ssid++ = '\0';
1140
1141         new_auth = os_strchr(new_ssid, ' ');
1142         if (new_auth == NULL)
1143                 return -1;
1144         *new_auth++ = '\0';
1145
1146         new_encr = os_strchr(new_auth, ' ');
1147         if (new_encr == NULL)
1148                 return -1;
1149         *new_encr++ = '\0';
1150
1151         new_key = os_strchr(new_encr, ' ');
1152         if (new_key == NULL)
1153                 return -1;
1154         *new_key++ = '\0';
1155
1156         os_memset(&ap, 0, sizeof(ap));
1157         ap.ssid_hex = new_ssid;
1158         ap.auth = new_auth;
1159         ap.encr = new_encr;
1160         ap.key_hex = new_key;
1161         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1162 }
1163
1164
1165 #ifdef CONFIG_AP
1166 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1167                                                 char *cmd, char *buf,
1168                                                 size_t buflen)
1169 {
1170         int timeout = 300;
1171         char *pos;
1172         const char *pin_txt;
1173
1174         if (!wpa_s->ap_iface)
1175                 return -1;
1176
1177         pos = os_strchr(cmd, ' ');
1178         if (pos)
1179                 *pos++ = '\0';
1180
1181         if (os_strcmp(cmd, "disable") == 0) {
1182                 wpas_wps_ap_pin_disable(wpa_s);
1183                 return os_snprintf(buf, buflen, "OK\n");
1184         }
1185
1186         if (os_strcmp(cmd, "random") == 0) {
1187                 if (pos)
1188                         timeout = atoi(pos);
1189                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1190                 if (pin_txt == NULL)
1191                         return -1;
1192                 return os_snprintf(buf, buflen, "%s", pin_txt);
1193         }
1194
1195         if (os_strcmp(cmd, "get") == 0) {
1196                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1197                 if (pin_txt == NULL)
1198                         return -1;
1199                 return os_snprintf(buf, buflen, "%s", pin_txt);
1200         }
1201
1202         if (os_strcmp(cmd, "set") == 0) {
1203                 char *pin;
1204                 if (pos == NULL)
1205                         return -1;
1206                 pin = pos;
1207                 pos = os_strchr(pos, ' ');
1208                 if (pos) {
1209                         *pos++ = '\0';
1210                         timeout = atoi(pos);
1211                 }
1212                 if (os_strlen(pin) > buflen)
1213                         return -1;
1214                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1215                         return -1;
1216                 return os_snprintf(buf, buflen, "%s", pin);
1217         }
1218
1219         return -1;
1220 }
1221 #endif /* CONFIG_AP */
1222
1223
1224 #ifdef CONFIG_WPS_ER
1225 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1226                                                 char *cmd)
1227 {
1228         char *uuid = cmd, *pin, *pos;
1229         u8 addr_buf[ETH_ALEN], *addr = NULL;
1230         pin = os_strchr(uuid, ' ');
1231         if (pin == NULL)
1232                 return -1;
1233         *pin++ = '\0';
1234         pos = os_strchr(pin, ' ');
1235         if (pos) {
1236                 *pos++ = '\0';
1237                 if (hwaddr_aton(pos, addr_buf) == 0)
1238                         addr = addr_buf;
1239         }
1240         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1241 }
1242
1243
1244 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1245                                                   char *cmd)
1246 {
1247         char *uuid = cmd, *pin;
1248         pin = os_strchr(uuid, ' ');
1249         if (pin == NULL)
1250                 return -1;
1251         *pin++ = '\0';
1252         return wpas_wps_er_learn(wpa_s, uuid, pin);
1253 }
1254
1255
1256 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1257         struct wpa_supplicant *wpa_s, char *cmd)
1258 {
1259         char *uuid = cmd, *id;
1260         id = os_strchr(uuid, ' ');
1261         if (id == NULL)
1262                 return -1;
1263         *id++ = '\0';
1264         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1265 }
1266
1267
1268 static int wpa_supplicant_ctrl_iface_wps_er_config(
1269         struct wpa_supplicant *wpa_s, char *cmd)
1270 {
1271         char *pin;
1272         char *new_ssid;
1273         char *new_auth;
1274         char *new_encr;
1275         char *new_key;
1276         struct wps_new_ap_settings ap;
1277
1278         pin = os_strchr(cmd, ' ');
1279         if (pin == NULL)
1280                 return -1;
1281         *pin++ = '\0';
1282
1283         new_ssid = os_strchr(pin, ' ');
1284         if (new_ssid == NULL)
1285                 return -1;
1286         *new_ssid++ = '\0';
1287
1288         new_auth = os_strchr(new_ssid, ' ');
1289         if (new_auth == NULL)
1290                 return -1;
1291         *new_auth++ = '\0';
1292
1293         new_encr = os_strchr(new_auth, ' ');
1294         if (new_encr == NULL)
1295                 return -1;
1296         *new_encr++ = '\0';
1297
1298         new_key = os_strchr(new_encr, ' ');
1299         if (new_key == NULL)
1300                 return -1;
1301         *new_key++ = '\0';
1302
1303         os_memset(&ap, 0, sizeof(ap));
1304         ap.ssid_hex = new_ssid;
1305         ap.auth = new_auth;
1306         ap.encr = new_encr;
1307         ap.key_hex = new_key;
1308         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1309 }
1310
1311
1312 #ifdef CONFIG_WPS_NFC
1313 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1314         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1315 {
1316         int ndef;
1317         struct wpabuf *buf;
1318         int res;
1319         char *uuid;
1320
1321         uuid = os_strchr(cmd, ' ');
1322         if (uuid == NULL)
1323                 return -1;
1324         *uuid++ = '\0';
1325
1326         if (os_strcmp(cmd, "WPS") == 0)
1327                 ndef = 0;
1328         else if (os_strcmp(cmd, "NDEF") == 0)
1329                 ndef = 1;
1330         else
1331                 return -1;
1332
1333         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1334         if (buf == NULL)
1335                 return -1;
1336
1337         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1338                                          wpabuf_len(buf));
1339         reply[res++] = '\n';
1340         reply[res] = '\0';
1341
1342         wpabuf_free(buf);
1343
1344         return res;
1345 }
1346 #endif /* CONFIG_WPS_NFC */
1347 #endif /* CONFIG_WPS_ER */
1348
1349 #endif /* CONFIG_WPS */
1350
1351
1352 #ifdef CONFIG_IBSS_RSN
1353 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1354         struct wpa_supplicant *wpa_s, char *addr)
1355 {
1356         u8 peer[ETH_ALEN];
1357
1358         if (hwaddr_aton(addr, peer)) {
1359                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1360                            "address '%s'", addr);
1361                 return -1;
1362         }
1363
1364         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1365                    MAC2STR(peer));
1366
1367         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1368 }
1369 #endif /* CONFIG_IBSS_RSN */
1370
1371
1372 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1373                                               char *rsp)
1374 {
1375 #ifdef IEEE8021X_EAPOL
1376         char *pos, *id_pos;
1377         int id;
1378         struct wpa_ssid *ssid;
1379
1380         pos = os_strchr(rsp, '-');
1381         if (pos == NULL)
1382                 return -1;
1383         *pos++ = '\0';
1384         id_pos = pos;
1385         pos = os_strchr(pos, ':');
1386         if (pos == NULL)
1387                 return -1;
1388         *pos++ = '\0';
1389         id = atoi(id_pos);
1390         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1391         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1392                               (u8 *) pos, os_strlen(pos));
1393
1394         ssid = wpa_config_get_network(wpa_s->conf, id);
1395         if (ssid == NULL) {
1396                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1397                            "to update", id);
1398                 return -1;
1399         }
1400
1401         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1402                                                          pos);
1403 #else /* IEEE8021X_EAPOL */
1404         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1405         return -1;
1406 #endif /* IEEE8021X_EAPOL */
1407 }
1408
1409
1410 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1411                                             const char *params,
1412                                             char *buf, size_t buflen)
1413 {
1414         char *pos, *end, tmp[30];
1415         int res, verbose, wps, ret;
1416
1417         if (os_strcmp(params, "-DRIVER") == 0)
1418                 return wpa_drv_status(wpa_s, buf, buflen);
1419         verbose = os_strcmp(params, "-VERBOSE") == 0;
1420         wps = os_strcmp(params, "-WPS") == 0;
1421         pos = buf;
1422         end = buf + buflen;
1423         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1424                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1425                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1426                                   MAC2STR(wpa_s->bssid));
1427                 if (ret < 0 || ret >= end - pos)
1428                         return pos - buf;
1429                 pos += ret;
1430                 if (ssid) {
1431                         u8 *_ssid = ssid->ssid;
1432                         size_t ssid_len = ssid->ssid_len;
1433                         u8 ssid_buf[MAX_SSID_LEN];
1434                         if (ssid_len == 0) {
1435                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1436                                 if (_res < 0)
1437                                         ssid_len = 0;
1438                                 else
1439                                         ssid_len = _res;
1440                                 _ssid = ssid_buf;
1441                         }
1442                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1443                                           wpa_ssid_txt(_ssid, ssid_len),
1444                                           ssid->id);
1445                         if (ret < 0 || ret >= end - pos)
1446                                 return pos - buf;
1447                         pos += ret;
1448
1449                         if (wps && ssid->passphrase &&
1450                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1451                             (ssid->mode == WPAS_MODE_AP ||
1452                              ssid->mode == WPAS_MODE_P2P_GO)) {
1453                                 ret = os_snprintf(pos, end - pos,
1454                                                   "passphrase=%s\n",
1455                                                   ssid->passphrase);
1456                                 if (ret < 0 || ret >= end - pos)
1457                                         return pos - buf;
1458                                 pos += ret;
1459                         }
1460                         if (ssid->id_str) {
1461                                 ret = os_snprintf(pos, end - pos,
1462                                                   "id_str=%s\n",
1463                                                   ssid->id_str);
1464                                 if (ret < 0 || ret >= end - pos)
1465                                         return pos - buf;
1466                                 pos += ret;
1467                         }
1468
1469                         switch (ssid->mode) {
1470                         case WPAS_MODE_INFRA:
1471                                 ret = os_snprintf(pos, end - pos,
1472                                                   "mode=station\n");
1473                                 break;
1474                         case WPAS_MODE_IBSS:
1475                                 ret = os_snprintf(pos, end - pos,
1476                                                   "mode=IBSS\n");
1477                                 break;
1478                         case WPAS_MODE_AP:
1479                                 ret = os_snprintf(pos, end - pos,
1480                                                   "mode=AP\n");
1481                                 break;
1482                         case WPAS_MODE_P2P_GO:
1483                                 ret = os_snprintf(pos, end - pos,
1484                                                   "mode=P2P GO\n");
1485                                 break;
1486                         case WPAS_MODE_P2P_GROUP_FORMATION:
1487                                 ret = os_snprintf(pos, end - pos,
1488                                                   "mode=P2P GO - group "
1489                                                   "formation\n");
1490                                 break;
1491                         default:
1492                                 ret = 0;
1493                                 break;
1494                         }
1495                         if (ret < 0 || ret >= end - pos)
1496                                 return pos - buf;
1497                         pos += ret;
1498                 }
1499
1500 #ifdef CONFIG_AP
1501                 if (wpa_s->ap_iface) {
1502                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1503                                                             end - pos,
1504                                                             verbose);
1505                 } else
1506 #endif /* CONFIG_AP */
1507                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1508         }
1509 #ifdef CONFIG_SAE
1510         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1511 #ifdef CONFIG_AP
1512             !wpa_s->ap_iface &&
1513 #endif /* CONFIG_AP */
1514             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1515                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1516                                   wpa_s->sme.sae.group);
1517                 if (ret < 0 || ret >= end - pos)
1518                         return pos - buf;
1519                 pos += ret;
1520         }
1521 #endif /* CONFIG_SAE */
1522         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1523                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1524         if (ret < 0 || ret >= end - pos)
1525                 return pos - buf;
1526         pos += ret;
1527
1528         if (wpa_s->l2 &&
1529             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1530                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1531                 if (ret < 0 || ret >= end - pos)
1532                         return pos - buf;
1533                 pos += ret;
1534         }
1535
1536 #ifdef CONFIG_P2P
1537         if (wpa_s->global->p2p) {
1538                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1539                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1540                 if (ret < 0 || ret >= end - pos)
1541                         return pos - buf;
1542                 pos += ret;
1543         }
1544 #endif /* CONFIG_P2P */
1545
1546         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1547                           MAC2STR(wpa_s->own_addr));
1548         if (ret < 0 || ret >= end - pos)
1549                 return pos - buf;
1550         pos += ret;
1551
1552 #ifdef CONFIG_HS20
1553         if (wpa_s->current_bss &&
1554             wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE) &&
1555             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1556             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1557                 ret = os_snprintf(pos, end - pos, "hs20=1\n");
1558                 if (ret < 0 || ret >= end - pos)
1559                         return pos - buf;
1560                 pos += ret;
1561         }
1562
1563         if (wpa_s->current_ssid) {
1564                 struct wpa_cred *cred;
1565                 char *type;
1566
1567                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1568                         size_t i;
1569
1570                         if (wpa_s->current_ssid->parent_cred != cred)
1571                                 continue;
1572
1573                         for (i = 0; cred->domain && i < cred->num_domain; i++) {
1574                                 ret = os_snprintf(pos, end - pos,
1575                                                   "home_sp=%s\n",
1576                                                   cred->domain[i]);
1577                                 if (ret < 0 || ret >= end - pos)
1578                                         return pos - buf;
1579                                 pos += ret;
1580                         }
1581
1582                         if (wpa_s->current_bss == NULL ||
1583                             wpa_s->current_bss->anqp == NULL)
1584                                 res = -1;
1585                         else
1586                                 res = interworking_home_sp_cred(
1587                                         wpa_s, cred,
1588                                         wpa_s->current_bss->anqp->domain_name);
1589                         if (res > 0)
1590                                 type = "home";
1591                         else if (res == 0)
1592                                 type = "roaming";
1593                         else
1594                                 type = "unknown";
1595
1596                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1597                         if (ret < 0 || ret >= end - pos)
1598                                 return pos - buf;
1599                         pos += ret;
1600
1601                         break;
1602                 }
1603         }
1604 #endif /* CONFIG_HS20 */
1605
1606         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1607             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1608                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1609                                           verbose);
1610                 if (res >= 0)
1611                         pos += res;
1612         }
1613
1614         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1615         if (res >= 0)
1616                 pos += res;
1617
1618         return pos - buf;
1619 }
1620
1621
1622 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1623                                            char *cmd)
1624 {
1625         char *pos;
1626         int id;
1627         struct wpa_ssid *ssid;
1628         u8 bssid[ETH_ALEN];
1629
1630         /* cmd: "<network id> <BSSID>" */
1631         pos = os_strchr(cmd, ' ');
1632         if (pos == NULL)
1633                 return -1;
1634         *pos++ = '\0';
1635         id = atoi(cmd);
1636         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1637         if (hwaddr_aton(pos, bssid)) {
1638                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1639                 return -1;
1640         }
1641
1642         ssid = wpa_config_get_network(wpa_s->conf, id);
1643         if (ssid == NULL) {
1644                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1645                            "to update", id);
1646                 return -1;
1647         }
1648
1649         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1650         ssid->bssid_set = !is_zero_ether_addr(bssid);
1651
1652         return 0;
1653 }
1654
1655
1656 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1657                                                char *cmd, char *buf,
1658                                                size_t buflen)
1659 {
1660         u8 bssid[ETH_ALEN];
1661         struct wpa_blacklist *e;
1662         char *pos, *end;
1663         int ret;
1664
1665         /* cmd: "BLACKLIST [<BSSID>]" */
1666         if (*cmd == '\0') {
1667                 pos = buf;
1668                 end = buf + buflen;
1669                 e = wpa_s->blacklist;
1670                 while (e) {
1671                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1672                                           MAC2STR(e->bssid));
1673                         if (ret < 0 || ret >= end - pos)
1674                                 return pos - buf;
1675                         pos += ret;
1676                         e = e->next;
1677                 }
1678                 return pos - buf;
1679         }
1680
1681         cmd++;
1682         if (os_strncmp(cmd, "clear", 5) == 0) {
1683                 wpa_blacklist_clear(wpa_s);
1684                 os_memcpy(buf, "OK\n", 3);
1685                 return 3;
1686         }
1687
1688         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1689         if (hwaddr_aton(cmd, bssid)) {
1690                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1691                 return -1;
1692         }
1693
1694         /*
1695          * Add the BSSID twice, so its count will be 2, causing it to be
1696          * skipped when processing scan results.
1697          */
1698         ret = wpa_blacklist_add(wpa_s, bssid);
1699         if (ret != 0)
1700                 return -1;
1701         ret = wpa_blacklist_add(wpa_s, bssid);
1702         if (ret != 0)
1703                 return -1;
1704         os_memcpy(buf, "OK\n", 3);
1705         return 3;
1706 }
1707
1708
1709 extern int wpa_debug_level;
1710 extern int wpa_debug_timestamp;
1711
1712 static const char * debug_level_str(int level)
1713 {
1714         switch (level) {
1715         case MSG_EXCESSIVE:
1716                 return "EXCESSIVE";
1717         case MSG_MSGDUMP:
1718                 return "MSGDUMP";
1719         case MSG_DEBUG:
1720                 return "DEBUG";
1721         case MSG_INFO:
1722                 return "INFO";
1723         case MSG_WARNING:
1724                 return "WARNING";
1725         case MSG_ERROR:
1726                 return "ERROR";
1727         default:
1728                 return "?";
1729         }
1730 }
1731
1732
1733 static int str_to_debug_level(const char *s)
1734 {
1735         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1736                 return MSG_EXCESSIVE;
1737         if (os_strcasecmp(s, "MSGDUMP") == 0)
1738                 return MSG_MSGDUMP;
1739         if (os_strcasecmp(s, "DEBUG") == 0)
1740                 return MSG_DEBUG;
1741         if (os_strcasecmp(s, "INFO") == 0)
1742                 return MSG_INFO;
1743         if (os_strcasecmp(s, "WARNING") == 0)
1744                 return MSG_WARNING;
1745         if (os_strcasecmp(s, "ERROR") == 0)
1746                 return MSG_ERROR;
1747         return -1;
1748 }
1749
1750
1751 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1752                                                char *cmd, char *buf,
1753                                                size_t buflen)
1754 {
1755         char *pos, *end, *stamp;
1756         int ret;
1757
1758         if (cmd == NULL) {
1759                 return -1;
1760         }
1761
1762         /* cmd: "LOG_LEVEL [<level>]" */
1763         if (*cmd == '\0') {
1764                 pos = buf;
1765                 end = buf + buflen;
1766                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1767                                   "Timestamp: %d\n",
1768                                   debug_level_str(wpa_debug_level),
1769                                   wpa_debug_timestamp);
1770                 if (ret < 0 || ret >= end - pos)
1771                         ret = 0;
1772
1773                 return ret;
1774         }
1775
1776         while (*cmd == ' ')
1777                 cmd++;
1778
1779         stamp = os_strchr(cmd, ' ');
1780         if (stamp) {
1781                 *stamp++ = '\0';
1782                 while (*stamp == ' ') {
1783                         stamp++;
1784                 }
1785         }
1786
1787         if (cmd && os_strlen(cmd)) {
1788                 int level = str_to_debug_level(cmd);
1789                 if (level < 0)
1790                         return -1;
1791                 wpa_debug_level = level;
1792         }
1793
1794         if (stamp && os_strlen(stamp))
1795                 wpa_debug_timestamp = atoi(stamp);
1796
1797         os_memcpy(buf, "OK\n", 3);
1798         return 3;
1799 }
1800
1801
1802 static int wpa_supplicant_ctrl_iface_list_networks(
1803         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1804 {
1805         char *pos, *end;
1806         struct wpa_ssid *ssid;
1807         int ret;
1808
1809         pos = buf;
1810         end = buf + buflen;
1811         ret = os_snprintf(pos, end - pos,
1812                           "network id / ssid / bssid / flags\n");
1813         if (ret < 0 || ret >= end - pos)
1814                 return pos - buf;
1815         pos += ret;
1816
1817         ssid = wpa_s->conf->ssid;
1818         while (ssid) {
1819                 ret = os_snprintf(pos, end - pos, "%d\t%s",
1820                                   ssid->id,
1821                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1822                 if (ret < 0 || ret >= end - pos)
1823                         return pos - buf;
1824                 pos += ret;
1825                 if (ssid->bssid_set) {
1826                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1827                                           MAC2STR(ssid->bssid));
1828                 } else {
1829                         ret = os_snprintf(pos, end - pos, "\tany");
1830                 }
1831                 if (ret < 0 || ret >= end - pos)
1832                         return pos - buf;
1833                 pos += ret;
1834                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
1835                                   ssid == wpa_s->current_ssid ?
1836                                   "[CURRENT]" : "",
1837                                   ssid->disabled ? "[DISABLED]" : "",
1838                                   ssid->disabled_until.sec ?
1839                                   "[TEMP-DISABLED]" : "",
1840                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1841                                   "");
1842                 if (ret < 0 || ret >= end - pos)
1843                         return pos - buf;
1844                 pos += ret;
1845                 ret = os_snprintf(pos, end - pos, "\n");
1846                 if (ret < 0 || ret >= end - pos)
1847                         return pos - buf;
1848                 pos += ret;
1849
1850                 ssid = ssid->next;
1851         }
1852
1853         return pos - buf;
1854 }
1855
1856
1857 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1858 {
1859         int ret;
1860         ret = os_snprintf(pos, end - pos, "-");
1861         if (ret < 0 || ret >= end - pos)
1862                 return pos;
1863         pos += ret;
1864         ret = wpa_write_ciphers(pos, end, cipher, "+");
1865         if (ret < 0)
1866                 return pos;
1867         pos += ret;
1868         return pos;
1869 }
1870
1871
1872 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1873                                     const u8 *ie, size_t ie_len)
1874 {
1875         struct wpa_ie_data data;
1876         int first, ret;
1877
1878         ret = os_snprintf(pos, end - pos, "[%s-", proto);
1879         if (ret < 0 || ret >= end - pos)
1880                 return pos;
1881         pos += ret;
1882
1883         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1884                 ret = os_snprintf(pos, end - pos, "?]");
1885                 if (ret < 0 || ret >= end - pos)
1886                         return pos;
1887                 pos += ret;
1888                 return pos;
1889         }
1890
1891         first = 1;
1892         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1893                 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1894                 if (ret < 0 || ret >= end - pos)
1895                         return pos;
1896                 pos += ret;
1897                 first = 0;
1898         }
1899         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1900                 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1901                 if (ret < 0 || ret >= end - pos)
1902                         return pos;
1903                 pos += ret;
1904                 first = 0;
1905         }
1906         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1907                 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1908                 if (ret < 0 || ret >= end - pos)
1909                         return pos;
1910                 pos += ret;
1911                 first = 0;
1912         }
1913 #ifdef CONFIG_IEEE80211R
1914         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1915                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1916                                   first ? "" : "+");
1917                 if (ret < 0 || ret >= end - pos)
1918                         return pos;
1919                 pos += ret;
1920                 first = 0;
1921         }
1922         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1923                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1924                                   first ? "" : "+");
1925                 if (ret < 0 || ret >= end - pos)
1926                         return pos;
1927                 pos += ret;
1928                 first = 0;
1929         }
1930 #endif /* CONFIG_IEEE80211R */
1931 #ifdef CONFIG_IEEE80211W
1932         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1933                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1934                                   first ? "" : "+");
1935                 if (ret < 0 || ret >= end - pos)
1936                         return pos;
1937                 pos += ret;
1938                 first = 0;
1939         }
1940         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1941                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1942                                   first ? "" : "+");
1943                 if (ret < 0 || ret >= end - pos)
1944                         return pos;
1945                 pos += ret;
1946                 first = 0;
1947         }
1948 #endif /* CONFIG_IEEE80211W */
1949
1950         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1951
1952         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1953                 ret = os_snprintf(pos, end - pos, "-preauth");
1954                 if (ret < 0 || ret >= end - pos)
1955                         return pos;
1956                 pos += ret;
1957         }
1958
1959         ret = os_snprintf(pos, end - pos, "]");
1960         if (ret < 0 || ret >= end - pos)
1961                 return pos;
1962         pos += ret;
1963
1964         return pos;
1965 }
1966
1967
1968 #ifdef CONFIG_WPS
1969 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
1970                                             char *pos, char *end,
1971                                             struct wpabuf *wps_ie)
1972 {
1973         int ret;
1974         const char *txt;
1975
1976         if (wps_ie == NULL)
1977                 return pos;
1978         if (wps_is_selected_pbc_registrar(wps_ie))
1979                 txt = "[WPS-PBC]";
1980 #ifdef CONFIG_WPS2
1981         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
1982                 txt = "[WPS-AUTH]";
1983 #endif /* CONFIG_WPS2 */
1984         else if (wps_is_selected_pin_registrar(wps_ie))
1985                 txt = "[WPS-PIN]";
1986         else
1987                 txt = "[WPS]";
1988
1989         ret = os_snprintf(pos, end - pos, "%s", txt);
1990         if (ret >= 0 && ret < end - pos)
1991                 pos += ret;
1992         wpabuf_free(wps_ie);
1993         return pos;
1994 }
1995 #endif /* CONFIG_WPS */
1996
1997
1998 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
1999                                         char *pos, char *end,
2000                                         const struct wpa_bss *bss)
2001 {
2002 #ifdef CONFIG_WPS
2003         struct wpabuf *wps_ie;
2004         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2005         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2006 #else /* CONFIG_WPS */
2007         return pos;
2008 #endif /* CONFIG_WPS */
2009 }
2010
2011
2012 /* Format one result on one text line into a buffer. */
2013 static int wpa_supplicant_ctrl_iface_scan_result(
2014         struct wpa_supplicant *wpa_s,
2015         const struct wpa_bss *bss, char *buf, size_t buflen)
2016 {
2017         char *pos, *end;
2018         int ret;
2019         const u8 *ie, *ie2, *p2p;
2020
2021         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2022         if (!p2p)
2023                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2024         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2025             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2026             0)
2027                 return 0; /* Do not show P2P listen discovery results here */
2028
2029         pos = buf;
2030         end = buf + buflen;
2031
2032         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2033                           MAC2STR(bss->bssid), bss->freq, bss->level);
2034         if (ret < 0 || ret >= end - pos)
2035                 return -1;
2036         pos += ret;
2037         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2038         if (ie)
2039                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2040         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2041         if (ie2)
2042                 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
2043         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2044         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2045                 ret = os_snprintf(pos, end - pos, "[WEP]");
2046                 if (ret < 0 || ret >= end - pos)
2047                         return -1;
2048                 pos += ret;
2049         }
2050         if (bss->caps & IEEE80211_CAP_IBSS) {
2051                 ret = os_snprintf(pos, end - pos, "[IBSS]");
2052                 if (ret < 0 || ret >= end - pos)
2053                         return -1;
2054                 pos += ret;
2055         }
2056         if (bss->caps & IEEE80211_CAP_ESS) {
2057                 ret = os_snprintf(pos, end - pos, "[ESS]");
2058                 if (ret < 0 || ret >= end - pos)
2059                         return -1;
2060                 pos += ret;
2061         }
2062         if (p2p) {
2063                 ret = os_snprintf(pos, end - pos, "[P2P]");
2064                 if (ret < 0 || ret >= end - pos)
2065                         return -1;
2066                 pos += ret;
2067         }
2068 #ifdef CONFIG_HS20
2069         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2070                 ret = os_snprintf(pos, end - pos, "[HS20]");
2071                 if (ret < 0 || ret >= end - pos)
2072                         return -1;
2073                 pos += ret;
2074         }
2075 #endif /* CONFIG_HS20 */
2076
2077         ret = os_snprintf(pos, end - pos, "\t%s",
2078                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2079         if (ret < 0 || ret >= end - pos)
2080                 return -1;
2081         pos += ret;
2082
2083         ret = os_snprintf(pos, end - pos, "\n");
2084         if (ret < 0 || ret >= end - pos)
2085                 return -1;
2086         pos += ret;
2087
2088         return pos - buf;
2089 }
2090
2091
2092 static int wpa_supplicant_ctrl_iface_scan_results(
2093         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2094 {
2095         char *pos, *end;
2096         struct wpa_bss *bss;
2097         int ret;
2098
2099         pos = buf;
2100         end = buf + buflen;
2101         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2102                           "flags / ssid\n");
2103         if (ret < 0 || ret >= end - pos)
2104                 return pos - buf;
2105         pos += ret;
2106
2107         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2108                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2109                                                             end - pos);
2110                 if (ret < 0 || ret >= end - pos)
2111                         return pos - buf;
2112                 pos += ret;
2113         }
2114
2115         return pos - buf;
2116 }
2117
2118
2119 static int wpa_supplicant_ctrl_iface_select_network(
2120         struct wpa_supplicant *wpa_s, char *cmd)
2121 {
2122         int id;
2123         struct wpa_ssid *ssid;
2124
2125         /* cmd: "<network id>" or "any" */
2126         if (os_strcmp(cmd, "any") == 0) {
2127                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2128                 ssid = NULL;
2129         } else {
2130                 id = atoi(cmd);
2131                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2132
2133                 ssid = wpa_config_get_network(wpa_s->conf, id);
2134                 if (ssid == NULL) {
2135                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2136                                    "network id=%d", id);
2137                         return -1;
2138                 }
2139                 if (ssid->disabled == 2) {
2140                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2141                                    "SELECT_NETWORK with persistent P2P group");
2142                         return -1;
2143                 }
2144         }
2145
2146         wpa_supplicant_select_network(wpa_s, ssid);
2147
2148         return 0;
2149 }
2150
2151
2152 static int wpa_supplicant_ctrl_iface_enable_network(
2153         struct wpa_supplicant *wpa_s, char *cmd)
2154 {
2155         int id;
2156         struct wpa_ssid *ssid;
2157
2158         /* cmd: "<network id>" or "all" */
2159         if (os_strcmp(cmd, "all") == 0) {
2160                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2161                 ssid = NULL;
2162         } else {
2163                 id = atoi(cmd);
2164                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2165
2166                 ssid = wpa_config_get_network(wpa_s->conf, id);
2167                 if (ssid == NULL) {
2168                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2169                                    "network id=%d", id);
2170                         return -1;
2171                 }
2172                 if (ssid->disabled == 2) {
2173                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2174                                    "ENABLE_NETWORK with persistent P2P group");
2175                         return -1;
2176                 }
2177
2178                 if (os_strstr(cmd, " no-connect")) {
2179                         ssid->disabled = 0;
2180                         return 0;
2181                 }
2182         }
2183         wpa_supplicant_enable_network(wpa_s, ssid);
2184
2185         return 0;
2186 }
2187
2188
2189 static int wpa_supplicant_ctrl_iface_disable_network(
2190         struct wpa_supplicant *wpa_s, char *cmd)
2191 {
2192         int id;
2193         struct wpa_ssid *ssid;
2194
2195         /* cmd: "<network id>" or "all" */
2196         if (os_strcmp(cmd, "all") == 0) {
2197                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2198                 ssid = NULL;
2199         } else {
2200                 id = atoi(cmd);
2201                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2202
2203                 ssid = wpa_config_get_network(wpa_s->conf, id);
2204                 if (ssid == NULL) {
2205                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2206                                    "network id=%d", id);
2207                         return -1;
2208                 }
2209                 if (ssid->disabled == 2) {
2210                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2211                                    "DISABLE_NETWORK with persistent P2P "
2212                                    "group");
2213                         return -1;
2214                 }
2215         }
2216         wpa_supplicant_disable_network(wpa_s, ssid);
2217
2218         return 0;
2219 }
2220
2221
2222 static int wpa_supplicant_ctrl_iface_add_network(
2223         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2224 {
2225         struct wpa_ssid *ssid;
2226         int ret;
2227
2228         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2229
2230         ssid = wpa_config_add_network(wpa_s->conf);
2231         if (ssid == NULL)
2232                 return -1;
2233
2234         wpas_notify_network_added(wpa_s, ssid);
2235
2236         ssid->disabled = 1;
2237         wpa_config_set_network_defaults(ssid);
2238
2239         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2240         if (ret < 0 || (size_t) ret >= buflen)
2241                 return -1;
2242         return ret;
2243 }
2244
2245
2246 static int wpa_supplicant_ctrl_iface_remove_network(
2247         struct wpa_supplicant *wpa_s, char *cmd)
2248 {
2249         int id;
2250         struct wpa_ssid *ssid;
2251         int was_disabled;
2252
2253         /* cmd: "<network id>" or "all" */
2254         if (os_strcmp(cmd, "all") == 0) {
2255                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2256                 if (wpa_s->sched_scanning)
2257                         wpa_supplicant_cancel_sched_scan(wpa_s);
2258
2259                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2260                 if (wpa_s->current_ssid) {
2261 #ifdef CONFIG_SME
2262                         wpa_s->sme.prev_bssid_set = 0;
2263 #endif /* CONFIG_SME */
2264                         wpa_sm_set_config(wpa_s->wpa, NULL);
2265                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2266                         wpa_supplicant_deauthenticate(
2267                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2268                 }
2269                 ssid = wpa_s->conf->ssid;
2270                 while (ssid) {
2271                         struct wpa_ssid *remove_ssid = ssid;
2272                         id = ssid->id;
2273                         ssid = ssid->next;
2274                         wpas_notify_network_removed(wpa_s, remove_ssid);
2275                         wpa_config_remove_network(wpa_s->conf, id);
2276                 }
2277                 return 0;
2278         }
2279
2280         id = atoi(cmd);
2281         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2282
2283         ssid = wpa_config_get_network(wpa_s->conf, id);
2284         if (ssid)
2285                 wpas_notify_network_removed(wpa_s, ssid);
2286         if (ssid == NULL) {
2287                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2288                            "id=%d", id);
2289                 return -1;
2290         }
2291
2292         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2293 #ifdef CONFIG_SME
2294                 wpa_s->sme.prev_bssid_set = 0;
2295 #endif /* CONFIG_SME */
2296                 /*
2297                  * Invalidate the EAP session cache if the current or
2298                  * previously used network is removed.
2299                  */
2300                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2301         }
2302
2303         if (ssid == wpa_s->current_ssid) {
2304                 wpa_sm_set_config(wpa_s->wpa, NULL);
2305                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2306
2307                 wpa_supplicant_deauthenticate(wpa_s,
2308                                               WLAN_REASON_DEAUTH_LEAVING);
2309         }
2310
2311         was_disabled = ssid->disabled;
2312
2313         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2314                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2315                            "network id=%d", id);
2316                 return -1;
2317         }
2318
2319         if (!was_disabled && wpa_s->sched_scanning) {
2320                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2321                            "network from filters");
2322                 wpa_supplicant_cancel_sched_scan(wpa_s);
2323                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2324         }
2325
2326         return 0;
2327 }
2328
2329
2330 static int wpa_supplicant_ctrl_iface_set_network(
2331         struct wpa_supplicant *wpa_s, char *cmd)
2332 {
2333         int id;
2334         struct wpa_ssid *ssid;
2335         char *name, *value;
2336
2337         /* cmd: "<network id> <variable name> <value>" */
2338         name = os_strchr(cmd, ' ');
2339         if (name == NULL)
2340                 return -1;
2341         *name++ = '\0';
2342
2343         value = os_strchr(name, ' ');
2344         if (value == NULL)
2345                 return -1;
2346         *value++ = '\0';
2347
2348         id = atoi(cmd);
2349         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2350                    id, name);
2351         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2352                               (u8 *) value, os_strlen(value));
2353
2354         ssid = wpa_config_get_network(wpa_s->conf, id);
2355         if (ssid == NULL) {
2356                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2357                            "id=%d", id);
2358                 return -1;
2359         }
2360
2361         if (wpa_config_set(ssid, name, value, 0) < 0) {
2362                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2363                            "variable '%s'", name);
2364                 return -1;
2365         }
2366
2367         if (os_strcmp(name, "bssid") != 0 &&
2368             os_strcmp(name, "priority") != 0)
2369                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2370
2371         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2372                 /*
2373                  * Invalidate the EAP session cache if anything in the current
2374                  * or previously used configuration changes.
2375                  */
2376                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2377         }
2378
2379         if ((os_strcmp(name, "psk") == 0 &&
2380              value[0] == '"' && ssid->ssid_len) ||
2381             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2382                 wpa_config_update_psk(ssid);
2383         else if (os_strcmp(name, "priority") == 0)
2384                 wpa_config_update_prio_list(wpa_s->conf);
2385
2386         return 0;
2387 }
2388
2389
2390 static int wpa_supplicant_ctrl_iface_get_network(
2391         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2392 {
2393         int id;
2394         size_t res;
2395         struct wpa_ssid *ssid;
2396         char *name, *value;
2397
2398         /* cmd: "<network id> <variable name>" */
2399         name = os_strchr(cmd, ' ');
2400         if (name == NULL || buflen == 0)
2401                 return -1;
2402         *name++ = '\0';
2403
2404         id = atoi(cmd);
2405         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2406                    id, name);
2407
2408         ssid = wpa_config_get_network(wpa_s->conf, id);
2409         if (ssid == NULL) {
2410                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2411                            "id=%d", id);
2412                 return -1;
2413         }
2414
2415         value = wpa_config_get_no_key(ssid, name);
2416         if (value == NULL) {
2417                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2418                            "variable '%s'", name);
2419                 return -1;
2420         }
2421
2422         res = os_strlcpy(buf, value, buflen);
2423         if (res >= buflen) {
2424                 os_free(value);
2425                 return -1;
2426         }
2427
2428         os_free(value);
2429
2430         return res;
2431 }
2432
2433
2434 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2435                                                 char *buf, size_t buflen)
2436 {
2437         char *pos, *end;
2438         struct wpa_cred *cred;
2439         int ret;
2440
2441         pos = buf;
2442         end = buf + buflen;
2443         ret = os_snprintf(pos, end - pos,
2444                           "cred id / realm / username / domain / imsi\n");
2445         if (ret < 0 || ret >= end - pos)
2446                 return pos - buf;
2447         pos += ret;
2448
2449         cred = wpa_s->conf->cred;
2450         while (cred) {
2451                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2452                                   cred->id, cred->realm ? cred->realm : "",
2453                                   cred->username ? cred->username : "",
2454                                   cred->domain ? cred->domain[0] : "",
2455                                   cred->imsi ? cred->imsi : "");
2456                 if (ret < 0 || ret >= end - pos)
2457                         return pos - buf;
2458                 pos += ret;
2459
2460                 cred = cred->next;
2461         }
2462
2463         return pos - buf;
2464 }
2465
2466
2467 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2468                                               char *buf, size_t buflen)
2469 {
2470         struct wpa_cred *cred;
2471         int ret;
2472
2473         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2474
2475         cred = wpa_config_add_cred(wpa_s->conf);
2476         if (cred == NULL)
2477                 return -1;
2478
2479         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2480         if (ret < 0 || (size_t) ret >= buflen)
2481                 return -1;
2482         return ret;
2483 }
2484
2485
2486 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2487                                  struct wpa_cred *cred)
2488 {
2489         struct wpa_ssid *ssid;
2490         char str[20];
2491
2492         if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2493                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2494                 return -1;
2495         }
2496
2497         /* Remove any network entry created based on the removed credential */
2498         ssid = wpa_s->conf->ssid;
2499         while (ssid) {
2500                 if (ssid->parent_cred == cred) {
2501                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2502                                    "used the removed credential", ssid->id);
2503                         os_snprintf(str, sizeof(str), "%d", ssid->id);
2504                         ssid = ssid->next;
2505                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2506                 } else
2507                         ssid = ssid->next;
2508         }
2509
2510         return 0;
2511 }
2512
2513
2514 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2515                                                  char *cmd)
2516 {
2517         int id;
2518         struct wpa_cred *cred, *prev;
2519
2520         /* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2521         if (os_strcmp(cmd, "all") == 0) {
2522                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2523                 cred = wpa_s->conf->cred;
2524                 while (cred) {
2525                         prev = cred;
2526                         cred = cred->next;
2527                         wpas_ctrl_remove_cred(wpa_s, prev);
2528                 }
2529                 return 0;
2530         }
2531
2532         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2533                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2534                            cmd + 8);
2535                 cred = wpa_s->conf->cred;
2536                 while (cred) {
2537                         prev = cred;
2538                         cred = cred->next;
2539                         if (prev->domain) {
2540                                 size_t i;
2541                                 for (i = 0; i < prev->num_domain; i++) {
2542                                         if (os_strcmp(prev->domain[i], cmd + 8)
2543                                             != 0)
2544                                                 continue;
2545                                         wpas_ctrl_remove_cred(wpa_s, prev);
2546                                         break;
2547                                 }
2548                         }
2549                 }
2550                 return 0;
2551         }
2552
2553         id = atoi(cmd);
2554         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2555
2556         cred = wpa_config_get_cred(wpa_s->conf, id);
2557         return wpas_ctrl_remove_cred(wpa_s, cred);
2558 }
2559
2560
2561 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2562                                               char *cmd)
2563 {
2564         int id;
2565         struct wpa_cred *cred;
2566         char *name, *value;
2567
2568         /* cmd: "<cred id> <variable name> <value>" */
2569         name = os_strchr(cmd, ' ');
2570         if (name == NULL)
2571                 return -1;
2572         *name++ = '\0';
2573
2574         value = os_strchr(name, ' ');
2575         if (value == NULL)
2576                 return -1;
2577         *value++ = '\0';
2578
2579         id = atoi(cmd);
2580         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2581                    id, name);
2582         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2583                               (u8 *) value, os_strlen(value));
2584
2585         cred = wpa_config_get_cred(wpa_s->conf, id);
2586         if (cred == NULL) {
2587                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2588                            id);
2589                 return -1;
2590         }
2591
2592         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2593                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2594                            "variable '%s'", name);
2595                 return -1;
2596         }
2597
2598         return 0;
2599 }
2600
2601
2602 #ifndef CONFIG_NO_CONFIG_WRITE
2603 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2604 {
2605         int ret;
2606
2607         if (!wpa_s->conf->update_config) {
2608                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2609                            "to update configuration (update_config=0)");
2610                 return -1;
2611         }
2612
2613         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2614         if (ret) {
2615                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2616                            "update configuration");
2617         } else {
2618                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2619                            " updated");
2620         }
2621
2622         return ret;
2623 }
2624 #endif /* CONFIG_NO_CONFIG_WRITE */
2625
2626
2627 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2628                                               struct wpa_driver_capa *capa,
2629                                               char *buf, size_t buflen)
2630 {
2631         int ret, first = 1;
2632         char *pos, *end;
2633         size_t len;
2634
2635         pos = buf;
2636         end = pos + buflen;
2637
2638         if (res < 0) {
2639                 if (strict)
2640                         return 0;
2641                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2642                 if (len >= buflen)
2643                         return -1;
2644                 return len;
2645         }
2646
2647         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2648                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2649                 if (ret < 0 || ret >= end - pos)
2650                         return pos - buf;
2651                 pos += ret;
2652                 first = 0;
2653         }
2654
2655         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2656                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2657                 if (ret < 0 || ret >= end - pos)
2658                         return pos - buf;
2659                 pos += ret;
2660                 first = 0;
2661         }
2662
2663         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2664                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2665                 if (ret < 0 || ret >= end - pos)
2666                         return pos - buf;
2667                 pos += ret;
2668                 first = 0;
2669         }
2670
2671         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2672                 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
2673                 if (ret < 0 || ret >= end - pos)
2674                         return pos - buf;
2675                 pos += ret;
2676                 first = 0;
2677         }
2678
2679         return pos - buf;
2680 }
2681
2682
2683 static int ctrl_iface_get_capability_group(int res, char *strict,
2684                                            struct wpa_driver_capa *capa,
2685                                            char *buf, size_t buflen)
2686 {
2687         int ret, first = 1;
2688         char *pos, *end;
2689         size_t len;
2690
2691         pos = buf;
2692         end = pos + buflen;
2693
2694         if (res < 0) {
2695                 if (strict)
2696                         return 0;
2697                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2698                 if (len >= buflen)
2699                         return -1;
2700                 return len;
2701         }
2702
2703         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2704                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2705                 if (ret < 0 || ret >= end - pos)
2706                         return pos - buf;
2707                 pos += ret;
2708                 first = 0;
2709         }
2710
2711         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2712                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2713                 if (ret < 0 || ret >= end - pos)
2714                         return pos - buf;
2715                 pos += ret;
2716                 first = 0;
2717         }
2718
2719         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2720                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2721                 if (ret < 0 || ret >= end - pos)
2722                         return pos - buf;
2723                 pos += ret;
2724                 first = 0;
2725         }
2726
2727         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2728                 ret = os_snprintf(pos, end - pos, "%sWEP104",
2729                                   first ? "" : " ");
2730                 if (ret < 0 || ret >= end - pos)
2731                         return pos - buf;
2732                 pos += ret;
2733                 first = 0;
2734         }
2735
2736         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2737                 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
2738                 if (ret < 0 || ret >= end - pos)
2739                         return pos - buf;
2740                 pos += ret;
2741                 first = 0;
2742         }
2743
2744         return pos - buf;
2745 }
2746
2747
2748 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2749                                               struct wpa_driver_capa *capa,
2750                                               char *buf, size_t buflen)
2751 {
2752         int ret;
2753         char *pos, *end;
2754         size_t len;
2755
2756         pos = buf;
2757         end = pos + buflen;
2758
2759         if (res < 0) {
2760                 if (strict)
2761                         return 0;
2762                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2763                                  "NONE", buflen);
2764                 if (len >= buflen)
2765                         return -1;
2766                 return len;
2767         }
2768
2769         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2770         if (ret < 0 || ret >= end - pos)
2771                 return pos - buf;
2772         pos += ret;
2773
2774         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2775                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2776                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2777                 if (ret < 0 || ret >= end - pos)
2778                         return pos - buf;
2779                 pos += ret;
2780         }
2781
2782         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2783                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2784                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2785                 if (ret < 0 || ret >= end - pos)
2786                         return pos - buf;
2787                 pos += ret;
2788         }
2789
2790         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2791                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2792                 if (ret < 0 || ret >= end - pos)
2793                         return pos - buf;
2794                 pos += ret;
2795         }
2796
2797         return pos - buf;
2798 }
2799
2800
2801 static int ctrl_iface_get_capability_proto(int res, char *strict,
2802                                            struct wpa_driver_capa *capa,
2803                                            char *buf, size_t buflen)
2804 {
2805         int ret, first = 1;
2806         char *pos, *end;
2807         size_t len;
2808
2809         pos = buf;
2810         end = pos + buflen;
2811
2812         if (res < 0) {
2813                 if (strict)
2814                         return 0;
2815                 len = os_strlcpy(buf, "RSN WPA", buflen);
2816                 if (len >= buflen)
2817                         return -1;
2818                 return len;
2819         }
2820
2821         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2822                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2823                 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2824                 if (ret < 0 || ret >= end - pos)
2825                         return pos - buf;
2826                 pos += ret;
2827                 first = 0;
2828         }
2829
2830         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2831                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2832                 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2833                 if (ret < 0 || ret >= end - pos)
2834                         return pos - buf;
2835                 pos += ret;
2836                 first = 0;
2837         }
2838
2839         return pos - buf;
2840 }
2841
2842
2843 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2844                                               struct wpa_driver_capa *capa,
2845                                               char *buf, size_t buflen)
2846 {
2847         int ret, first = 1;
2848         char *pos, *end;
2849         size_t len;
2850
2851         pos = buf;
2852         end = pos + buflen;
2853
2854         if (res < 0) {
2855                 if (strict)
2856                         return 0;
2857                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2858                 if (len >= buflen)
2859                         return -1;
2860                 return len;
2861         }
2862
2863         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2864                 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2865                 if (ret < 0 || ret >= end - pos)
2866                         return pos - buf;
2867                 pos += ret;
2868                 first = 0;
2869         }
2870
2871         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2872                 ret = os_snprintf(pos, end - pos, "%sSHARED",
2873                                   first ? "" : " ");
2874                 if (ret < 0 || ret >= end - pos)
2875                         return pos - buf;
2876                 pos += ret;
2877                 first = 0;
2878         }
2879
2880         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2881                 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2882                 if (ret < 0 || ret >= end - pos)
2883                         return pos - buf;
2884                 pos += ret;
2885                 first = 0;
2886         }
2887
2888         return pos - buf;
2889 }
2890
2891
2892 static int ctrl_iface_get_capability_modes(int res, char *strict,
2893                                            struct wpa_driver_capa *capa,
2894                                            char *buf, size_t buflen)
2895 {
2896         int ret, first = 1;
2897         char *pos, *end;
2898         size_t len;
2899
2900         pos = buf;
2901         end = pos + buflen;
2902
2903         if (res < 0) {
2904                 if (strict)
2905                         return 0;
2906                 len = os_strlcpy(buf, "IBSS AP", buflen);
2907                 if (len >= buflen)
2908                         return -1;
2909                 return len;
2910         }
2911
2912         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
2913                 ret = os_snprintf(pos, end - pos, "%sIBSS", first ? "" : " ");
2914                 if (ret < 0 || ret >= end - pos)
2915                         return pos - buf;
2916                 pos += ret;
2917                 first = 0;
2918         }
2919
2920         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
2921                 ret = os_snprintf(pos, end - pos, "%sAP", first ? "" : " ");
2922                 if (ret < 0 || ret >= end - pos)
2923                         return pos - buf;
2924                 pos += ret;
2925                 first = 0;
2926         }
2927
2928         return pos - buf;
2929 }
2930
2931
2932 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
2933                                               char *buf, size_t buflen)
2934 {
2935         struct hostapd_channel_data *chnl;
2936         int ret, i, j;
2937         char *pos, *end, *hmode;
2938
2939         pos = buf;
2940         end = pos + buflen;
2941
2942         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2943                 switch (wpa_s->hw.modes[j].mode) {
2944                 case HOSTAPD_MODE_IEEE80211B:
2945                         hmode = "B";
2946                         break;
2947                 case HOSTAPD_MODE_IEEE80211G:
2948                         hmode = "G";
2949                         break;
2950                 case HOSTAPD_MODE_IEEE80211A:
2951                         hmode = "A";
2952                         break;
2953                 case HOSTAPD_MODE_IEEE80211AD:
2954                         hmode = "AD";
2955                         break;
2956                 default:
2957                         continue;
2958                 }
2959                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
2960                 if (ret < 0 || ret >= end - pos)
2961                         return pos - buf;
2962                 pos += ret;
2963                 chnl = wpa_s->hw.modes[j].channels;
2964                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2965                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2966                                 continue;
2967                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
2968                         if (ret < 0 || ret >= end - pos)
2969                                 return pos - buf;
2970                         pos += ret;
2971                 }
2972                 ret = os_snprintf(pos, end - pos, "\n");
2973                 if (ret < 0 || ret >= end - pos)
2974                         return pos - buf;
2975                 pos += ret;
2976         }
2977
2978         return pos - buf;
2979 }
2980
2981
2982 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
2983                                           char *buf, size_t buflen)
2984 {
2985         struct hostapd_channel_data *chnl;
2986         int ret, i, j;
2987         char *pos, *end, *hmode;
2988
2989         pos = buf;
2990         end = pos + buflen;
2991
2992         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2993                 switch (wpa_s->hw.modes[j].mode) {
2994                 case HOSTAPD_MODE_IEEE80211B:
2995                         hmode = "B";
2996                         break;
2997                 case HOSTAPD_MODE_IEEE80211G:
2998                         hmode = "G";
2999                         break;
3000                 case HOSTAPD_MODE_IEEE80211A:
3001                         hmode = "A";
3002                         break;
3003                 case HOSTAPD_MODE_IEEE80211AD:
3004                         hmode = "AD";
3005                         break;
3006                 default:
3007                         continue;
3008                 }
3009                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3010                                   hmode);
3011                 if (ret < 0 || ret >= end - pos)
3012                         return pos - buf;
3013                 pos += ret;
3014                 chnl = wpa_s->hw.modes[j].channels;
3015                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3016                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3017                                 continue;
3018                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s\n",
3019                                           chnl[i].chan, chnl[i].freq,
3020                                           chnl[i].flag & HOSTAPD_CHAN_NO_IBSS ?
3021                                           " (NO_IBSS)" : "");
3022                         if (ret < 0 || ret >= end - pos)
3023                                 return pos - buf;
3024                         pos += ret;
3025                 }
3026                 ret = os_snprintf(pos, end - pos, "\n");
3027                 if (ret < 0 || ret >= end - pos)
3028                         return pos - buf;
3029                 pos += ret;
3030         }
3031
3032         return pos - buf;
3033 }
3034
3035
3036 static int wpa_supplicant_ctrl_iface_get_capability(
3037         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3038         size_t buflen)
3039 {
3040         struct wpa_driver_capa capa;
3041         int res;
3042         char *strict;
3043         char field[30];
3044         size_t len;
3045
3046         /* Determine whether or not strict checking was requested */
3047         len = os_strlcpy(field, _field, sizeof(field));
3048         if (len >= sizeof(field))
3049                 return -1;
3050         strict = os_strchr(field, ' ');
3051         if (strict != NULL) {
3052                 *strict++ = '\0';
3053                 if (os_strcmp(strict, "strict") != 0)
3054                         return -1;
3055         }
3056
3057         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3058                 field, strict ? strict : "");
3059
3060         if (os_strcmp(field, "eap") == 0) {
3061                 return eap_get_names(buf, buflen);
3062         }
3063
3064         res = wpa_drv_get_capa(wpa_s, &capa);
3065
3066         if (os_strcmp(field, "pairwise") == 0)
3067                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3068                                                           buf, buflen);
3069
3070         if (os_strcmp(field, "group") == 0)
3071                 return ctrl_iface_get_capability_group(res, strict, &capa,
3072                                                        buf, buflen);
3073
3074         if (os_strcmp(field, "key_mgmt") == 0)
3075                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3076                                                           buf, buflen);
3077
3078         if (os_strcmp(field, "proto") == 0)
3079                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3080                                                        buf, buflen);
3081
3082         if (os_strcmp(field, "auth_alg") == 0)
3083                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
3084                                                           buf, buflen);
3085
3086         if (os_strcmp(field, "modes") == 0)
3087                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3088                                                        buf, buflen);
3089
3090         if (os_strcmp(field, "channels") == 0)
3091                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3092
3093         if (os_strcmp(field, "freq") == 0)
3094                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3095
3096         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3097                    field);
3098
3099         return -1;
3100 }
3101
3102
3103 #ifdef CONFIG_INTERWORKING
3104 static char * anqp_add_hex(char *pos, char *end, const char *title,
3105                            struct wpabuf *data)
3106 {
3107         char *start = pos;
3108         size_t i;
3109         int ret;
3110         const u8 *d;
3111
3112         if (data == NULL)
3113                 return start;
3114
3115         ret = os_snprintf(pos, end - pos, "%s=", title);
3116         if (ret < 0 || ret >= end - pos)
3117                 return start;
3118         pos += ret;
3119
3120         d = wpabuf_head_u8(data);
3121         for (i = 0; i < wpabuf_len(data); i++) {
3122                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3123                 if (ret < 0 || ret >= end - pos)
3124                         return start;
3125                 pos += ret;
3126         }
3127
3128         ret = os_snprintf(pos, end - pos, "\n");
3129         if (ret < 0 || ret >= end - pos)
3130                 return start;
3131         pos += ret;
3132
3133         return pos;
3134 }
3135 #endif /* CONFIG_INTERWORKING */
3136
3137
3138 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3139                           unsigned long mask, char *buf, size_t buflen)
3140 {
3141         size_t i;
3142         int ret;
3143         char *pos, *end;
3144         const u8 *ie, *ie2;
3145
3146         pos = buf;
3147         end = buf + buflen;
3148
3149         if (mask & WPA_BSS_MASK_ID) {
3150                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3151                 if (ret < 0 || ret >= end - pos)
3152                         return 0;
3153                 pos += ret;
3154         }
3155
3156         if (mask & WPA_BSS_MASK_BSSID) {
3157                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3158                                   MAC2STR(bss->bssid));
3159                 if (ret < 0 || ret >= end - pos)
3160                         return 0;
3161                 pos += ret;
3162         }
3163
3164         if (mask & WPA_BSS_MASK_FREQ) {
3165                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3166                 if (ret < 0 || ret >= end - pos)
3167                         return 0;
3168                 pos += ret;
3169         }
3170
3171         if (mask & WPA_BSS_MASK_BEACON_INT) {
3172                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3173                                   bss->beacon_int);
3174                 if (ret < 0 || ret >= end - pos)
3175                         return 0;
3176                 pos += ret;
3177         }
3178
3179         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3180                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3181                                   bss->caps);
3182                 if (ret < 0 || ret >= end - pos)
3183                         return 0;
3184                 pos += ret;
3185         }
3186
3187         if (mask & WPA_BSS_MASK_QUAL) {
3188                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3189                 if (ret < 0 || ret >= end - pos)
3190                         return 0;
3191                 pos += ret;
3192         }
3193
3194         if (mask & WPA_BSS_MASK_NOISE) {
3195                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3196                 if (ret < 0 || ret >= end - pos)
3197                         return 0;
3198                 pos += ret;
3199         }
3200
3201         if (mask & WPA_BSS_MASK_LEVEL) {
3202                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3203                 if (ret < 0 || ret >= end - pos)
3204                         return 0;
3205                 pos += ret;
3206         }
3207
3208         if (mask & WPA_BSS_MASK_TSF) {
3209                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3210                                   (unsigned long long) bss->tsf);
3211                 if (ret < 0 || ret >= end - pos)
3212                         return 0;
3213                 pos += ret;
3214         }
3215
3216         if (mask & WPA_BSS_MASK_AGE) {
3217                 struct os_time now;
3218
3219                 os_get_time(&now);
3220                 ret = os_snprintf(pos, end - pos, "age=%d\n",
3221                                   (int) (now.sec - bss->last_update.sec));
3222                 if (ret < 0 || ret >= end - pos)
3223                         return 0;
3224                 pos += ret;
3225         }
3226
3227         if (mask & WPA_BSS_MASK_IE) {
3228                 ret = os_snprintf(pos, end - pos, "ie=");
3229                 if (ret < 0 || ret >= end - pos)
3230                         return 0;
3231                 pos += ret;
3232
3233                 ie = (const u8 *) (bss + 1);
3234                 for (i = 0; i < bss->ie_len; i++) {
3235                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3236                         if (ret < 0 || ret >= end - pos)
3237                                 return 0;
3238                         pos += ret;
3239                 }
3240
3241                 ret = os_snprintf(pos, end - pos, "\n");
3242                 if (ret < 0 || ret >= end - pos)
3243                         return 0;
3244                 pos += ret;
3245         }
3246
3247         if (mask & WPA_BSS_MASK_FLAGS) {
3248                 ret = os_snprintf(pos, end - pos, "flags=");
3249                 if (ret < 0 || ret >= end - pos)
3250                         return 0;
3251                 pos += ret;
3252
3253                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3254                 if (ie)
3255                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3256                                                     2 + ie[1]);
3257                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3258                 if (ie2)
3259                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3260                                                     2 + ie2[1]);
3261                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3262                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3263                         ret = os_snprintf(pos, end - pos, "[WEP]");
3264                         if (ret < 0 || ret >= end - pos)
3265                                 return 0;
3266                         pos += ret;
3267                 }
3268                 if (bss->caps & IEEE80211_CAP_IBSS) {
3269                         ret = os_snprintf(pos, end - pos, "[IBSS]");
3270                         if (ret < 0 || ret >= end - pos)
3271                                 return 0;
3272                         pos += ret;
3273                 }
3274                 if (bss->caps & IEEE80211_CAP_ESS) {
3275                         ret = os_snprintf(pos, end - pos, "[ESS]");
3276                         if (ret < 0 || ret >= end - pos)
3277                                 return 0;
3278                         pos += ret;
3279                 }
3280                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
3281                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
3282                         ret = os_snprintf(pos, end - pos, "[P2P]");
3283                         if (ret < 0 || ret >= end - pos)
3284                                 return 0;
3285                         pos += ret;
3286                 }
3287 #ifdef CONFIG_HS20
3288                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3289                         ret = os_snprintf(pos, end - pos, "[HS20]");
3290                         if (ret < 0 || ret >= end - pos)
3291                                 return 0;
3292                         pos += ret;
3293                 }
3294 #endif /* CONFIG_HS20 */
3295
3296                 ret = os_snprintf(pos, end - pos, "\n");
3297                 if (ret < 0 || ret >= end - pos)
3298                         return 0;
3299                 pos += ret;
3300         }
3301
3302         if (mask & WPA_BSS_MASK_SSID) {
3303                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3304                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3305                 if (ret < 0 || ret >= end - pos)
3306                         return 0;
3307                 pos += ret;
3308         }
3309
3310 #ifdef CONFIG_WPS
3311         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3312                 ie = (const u8 *) (bss + 1);
3313                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3314                 if (ret < 0 || ret >= end - pos)
3315                         return 0;
3316                 pos += ret;
3317         }
3318 #endif /* CONFIG_WPS */
3319
3320 #ifdef CONFIG_P2P
3321         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3322                 ie = (const u8 *) (bss + 1);
3323                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3324                 if (ret < 0 || ret >= end - pos)
3325                         return 0;
3326                 pos += ret;
3327         }
3328 #endif /* CONFIG_P2P */
3329
3330 #ifdef CONFIG_WIFI_DISPLAY
3331         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3332                 struct wpabuf *wfd;
3333                 ie = (const u8 *) (bss + 1);
3334                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3335                                                   WFD_IE_VENDOR_TYPE);
3336                 if (wfd) {
3337                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3338                         if (ret < 0 || ret >= end - pos)
3339                                 return 0;
3340                         pos += ret;
3341
3342                         pos += wpa_snprintf_hex(pos, end - pos,
3343                                                 wpabuf_head(wfd),
3344                                                 wpabuf_len(wfd));
3345                         wpabuf_free(wfd);
3346
3347                         ret = os_snprintf(pos, end - pos, "\n");
3348                         if (ret < 0 || ret >= end - pos)
3349                                 return 0;
3350                         pos += ret;
3351                 }
3352         }
3353 #endif /* CONFIG_WIFI_DISPLAY */
3354
3355 #ifdef CONFIG_INTERWORKING
3356         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3357                 struct wpa_bss_anqp *anqp = bss->anqp;
3358                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3359                                    anqp->venue_name);
3360                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3361                                    anqp->network_auth_type);
3362                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3363                                    anqp->roaming_consortium);
3364                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3365                                    anqp->ip_addr_type_availability);
3366                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3367                                    anqp->nai_realm);
3368                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3369                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3370                                    anqp->domain_name);
3371 #ifdef CONFIG_HS20
3372                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3373                                    anqp->hs20_operator_friendly_name);
3374                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3375                                    anqp->hs20_wan_metrics);
3376                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3377                                    anqp->hs20_connection_capability);
3378 #endif /* CONFIG_HS20 */
3379         }
3380 #endif /* CONFIG_INTERWORKING */
3381
3382         if (mask & WPA_BSS_MASK_DELIM) {
3383                 ret = os_snprintf(pos, end - pos, "====\n");
3384                 if (ret < 0 || ret >= end - pos)
3385                         return 0;
3386                 pos += ret;
3387         }
3388
3389         return pos - buf;
3390 }
3391
3392
3393 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3394                                          const char *cmd, char *buf,
3395                                          size_t buflen)
3396 {
3397         u8 bssid[ETH_ALEN];
3398         size_t i;
3399         struct wpa_bss *bss;
3400         struct wpa_bss *bsslast = NULL;
3401         struct dl_list *next;
3402         int ret = 0;
3403         int len;
3404         char *ctmp;
3405         unsigned long mask = WPA_BSS_MASK_ALL;
3406
3407         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3408                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3409                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3410                                             list_id);
3411                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3412                                                list_id);
3413                 } else { /* N1-N2 */
3414                         unsigned int id1, id2;
3415
3416                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3417                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3418                                            "format");
3419                                 return 0;
3420                         }
3421
3422                         if (*(cmd + 6) == '-')
3423                                 id1 = 0;
3424                         else
3425                                 id1 = atoi(cmd + 6);
3426                         ctmp++;
3427                         if (*ctmp >= '0' && *ctmp <= '9')
3428                                 id2 = atoi(ctmp);
3429                         else
3430                                 id2 = (unsigned int) -1;
3431                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3432                         if (id2 == (unsigned int) -1)
3433                                 bsslast = dl_list_last(&wpa_s->bss_id,
3434                                                        struct wpa_bss,
3435                                                        list_id);
3436                         else {
3437                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3438                                 if (bsslast == NULL && bss && id2 > id1) {
3439                                         struct wpa_bss *tmp = bss;
3440                                         for (;;) {
3441                                                 next = tmp->list_id.next;
3442                                                 if (next == &wpa_s->bss_id)
3443                                                         break;
3444                                                 tmp = dl_list_entry(
3445                                                         next, struct wpa_bss,
3446                                                         list_id);
3447                                                 if (tmp->id > id2)
3448                                                         break;
3449                                                 bsslast = tmp;
3450                                         }
3451                                 }
3452                         }
3453                 }
3454         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3455                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3456         else if (os_strncmp(cmd, "LAST", 4) == 0)
3457                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3458         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3459                 i = atoi(cmd + 3);
3460                 bss = wpa_bss_get_id(wpa_s, i);
3461         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3462                 i = atoi(cmd + 5);
3463                 bss = wpa_bss_get_id(wpa_s, i);
3464                 if (bss) {
3465                         next = bss->list_id.next;
3466                         if (next == &wpa_s->bss_id)
3467                                 bss = NULL;
3468                         else
3469                                 bss = dl_list_entry(next, struct wpa_bss,
3470                                                     list_id);
3471                 }
3472 #ifdef CONFIG_P2P
3473         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3474                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3475                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3476                 else
3477                         bss = NULL;
3478 #endif /* CONFIG_P2P */
3479         } else if (hwaddr_aton(cmd, bssid) == 0)
3480                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3481         else {
3482                 struct wpa_bss *tmp;
3483                 i = atoi(cmd);
3484                 bss = NULL;
3485                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3486                 {
3487                         if (i-- == 0) {
3488                                 bss = tmp;
3489                                 break;
3490                         }
3491                 }
3492         }
3493
3494         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3495                 mask = strtoul(ctmp + 5, NULL, 0x10);
3496                 if (mask == 0)
3497                         mask = WPA_BSS_MASK_ALL;
3498         }
3499
3500         if (bss == NULL)
3501                 return 0;
3502
3503         if (bsslast == NULL)
3504                 bsslast = bss;
3505         do {
3506                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3507                 ret += len;
3508                 buf += len;
3509                 buflen -= len;
3510                 if (bss == bsslast) {
3511                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
3512                             (bss == dl_list_last(&wpa_s->bss_id,
3513                                                  struct wpa_bss, list_id)))
3514                                 os_snprintf(buf - 5, 5, "####\n");
3515                         break;
3516                 }
3517                 next = bss->list_id.next;
3518                 if (next == &wpa_s->bss_id)
3519                         break;
3520                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3521         } while (bss && len);
3522
3523         return ret;
3524 }
3525
3526
3527 static int wpa_supplicant_ctrl_iface_ap_scan(
3528         struct wpa_supplicant *wpa_s, char *cmd)
3529 {
3530         int ap_scan = atoi(cmd);
3531         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3532 }
3533
3534
3535 static int wpa_supplicant_ctrl_iface_scan_interval(
3536         struct wpa_supplicant *wpa_s, char *cmd)
3537 {
3538         int scan_int = atoi(cmd);
3539         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3540 }
3541
3542
3543 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3544         struct wpa_supplicant *wpa_s, char *cmd)
3545 {
3546         int expire_age = atoi(cmd);
3547         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3548 }
3549
3550
3551 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3552         struct wpa_supplicant *wpa_s, char *cmd)
3553 {
3554         int expire_count = atoi(cmd);
3555         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3556 }
3557
3558
3559 static int wpa_supplicant_ctrl_iface_bss_flush(
3560         struct wpa_supplicant *wpa_s, char *cmd)
3561 {
3562         int flush_age = atoi(cmd);
3563
3564         if (flush_age == 0)
3565                 wpa_bss_flush(wpa_s);
3566         else
3567                 wpa_bss_flush_by_age(wpa_s, flush_age);
3568         return 0;
3569 }
3570
3571
3572 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3573 {
3574         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3575         /* MLME-DELETEKEYS.request */
3576         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3577         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3578         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3579         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3580 #ifdef CONFIG_IEEE80211W
3581         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3582         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3583 #endif /* CONFIG_IEEE80211W */
3584
3585         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3586                         0);
3587         /* MLME-SETPROTECTION.request(None) */
3588         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3589                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3590                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3591         wpa_sm_drop_sa(wpa_s->wpa);
3592 }
3593
3594
3595 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3596                                           char *addr)
3597 {
3598 #ifdef CONFIG_NO_SCAN_PROCESSING
3599         return -1;
3600 #else /* CONFIG_NO_SCAN_PROCESSING */
3601         u8 bssid[ETH_ALEN];
3602         struct wpa_bss *bss;
3603         struct wpa_ssid *ssid = wpa_s->current_ssid;
3604
3605         if (hwaddr_aton(addr, bssid)) {
3606                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3607                            "address '%s'", addr);
3608                 return -1;
3609         }
3610
3611         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3612
3613         if (!ssid) {
3614                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3615                            "configuration known for the target AP");
3616                 return -1;
3617         }
3618
3619         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
3620         if (!bss) {
3621                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3622                            "from BSS table");
3623                 return -1;
3624         }
3625
3626         /*
3627          * TODO: Find best network configuration block from configuration to
3628          * allow roaming to other networks
3629          */
3630
3631         wpa_s->reassociate = 1;
3632         wpa_supplicant_connect(wpa_s, bss, ssid);
3633
3634         return 0;
3635 #endif /* CONFIG_NO_SCAN_PROCESSING */
3636 }
3637
3638
3639 #ifdef CONFIG_P2P
3640 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3641 {
3642         unsigned int timeout = atoi(cmd);
3643         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3644         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3645         char *pos;
3646         unsigned int search_delay;
3647
3648         if (os_strstr(cmd, "type=social"))
3649                 type = P2P_FIND_ONLY_SOCIAL;
3650         else if (os_strstr(cmd, "type=progressive"))
3651                 type = P2P_FIND_PROGRESSIVE;
3652
3653         pos = os_strstr(cmd, "dev_id=");
3654         if (pos) {
3655                 pos += 7;
3656                 if (hwaddr_aton(pos, dev_id))
3657                         return -1;
3658                 _dev_id = dev_id;
3659         }
3660
3661         pos = os_strstr(cmd, "delay=");
3662         if (pos) {
3663                 pos += 6;
3664                 search_delay = atoi(pos);
3665         } else
3666                 search_delay = wpas_p2p_search_delay(wpa_s);
3667
3668         return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3669                              search_delay);
3670 }
3671
3672
3673 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3674                             char *buf, size_t buflen)
3675 {
3676         u8 addr[ETH_ALEN];
3677         char *pos, *pos2;
3678         char *pin = NULL;
3679         enum p2p_wps_method wps_method;
3680         int new_pin;
3681         int ret;
3682         int persistent_group, persistent_id = -1;
3683         int join;
3684         int auth;
3685         int automatic;
3686         int go_intent = -1;
3687         int freq = 0;
3688         int pd;
3689         int ht40, vht;
3690
3691         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3692          * [persistent|persistent=<network id>]
3693          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3694          * [ht40] [vht] */
3695
3696         if (hwaddr_aton(cmd, addr))
3697                 return -1;
3698
3699         pos = cmd + 17;
3700         if (*pos != ' ')
3701                 return -1;
3702         pos++;
3703
3704         persistent_group = os_strstr(pos, " persistent") != NULL;
3705         pos2 = os_strstr(pos, " persistent=");
3706         if (pos2) {
3707                 struct wpa_ssid *ssid;
3708                 persistent_id = atoi(pos2 + 12);
3709                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3710                 if (ssid == NULL || ssid->disabled != 2 ||
3711                     ssid->mode != WPAS_MODE_P2P_GO) {
3712                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3713                                    "SSID id=%d for persistent P2P group (GO)",
3714                                    persistent_id);
3715                         return -1;
3716                 }
3717         }
3718         join = os_strstr(pos, " join") != NULL;
3719         auth = os_strstr(pos, " auth") != NULL;
3720         automatic = os_strstr(pos, " auto") != NULL;
3721         pd = os_strstr(pos, " provdisc") != NULL;
3722         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
3723         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
3724                 vht;
3725
3726         pos2 = os_strstr(pos, " go_intent=");
3727         if (pos2) {
3728                 pos2 += 11;
3729                 go_intent = atoi(pos2);
3730                 if (go_intent < 0 || go_intent > 15)
3731                         return -1;
3732         }
3733
3734         pos2 = os_strstr(pos, " freq=");
3735         if (pos2) {
3736                 pos2 += 6;
3737                 freq = atoi(pos2);
3738                 if (freq <= 0)
3739                         return -1;
3740         }
3741
3742         if (os_strncmp(pos, "pin", 3) == 0) {
3743                 /* Request random PIN (to be displayed) and enable the PIN */
3744                 wps_method = WPS_PIN_DISPLAY;
3745         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3746                 wps_method = WPS_PBC;
3747         } else {
3748                 pin = pos;
3749                 pos = os_strchr(pin, ' ');
3750                 wps_method = WPS_PIN_KEYPAD;
3751                 if (pos) {
3752                         *pos++ = '\0';
3753                         if (os_strncmp(pos, "display", 7) == 0)
3754                                 wps_method = WPS_PIN_DISPLAY;
3755                 }
3756                 if (!wps_pin_str_valid(pin)) {
3757                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3758                         return 17;
3759                 }
3760         }
3761
3762         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3763                                    persistent_group, automatic, join,
3764                                    auth, go_intent, freq, persistent_id, pd,
3765                                    ht40, vht);
3766         if (new_pin == -2) {
3767                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3768                 return 25;
3769         }
3770         if (new_pin == -3) {
3771                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3772                 return 25;
3773         }
3774         if (new_pin < 0)
3775                 return -1;
3776         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3777                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3778                 if (ret < 0 || (size_t) ret >= buflen)
3779                         return -1;
3780                 return ret;
3781         }
3782
3783         os_memcpy(buf, "OK\n", 3);
3784         return 3;
3785 }
3786
3787
3788 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3789 {
3790         unsigned int timeout = atoi(cmd);
3791         return wpas_p2p_listen(wpa_s, timeout);
3792 }
3793
3794
3795 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3796 {
3797         u8 addr[ETH_ALEN];
3798         char *pos;
3799         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3800
3801         /* <addr> <config method> [join|auto] */
3802
3803         if (hwaddr_aton(cmd, addr))
3804                 return -1;
3805
3806         pos = cmd + 17;
3807         if (*pos != ' ')
3808                 return -1;
3809         pos++;
3810
3811         if (os_strstr(pos, " join") != NULL)
3812                 use = WPAS_P2P_PD_FOR_JOIN;
3813         else if (os_strstr(pos, " auto") != NULL)
3814                 use = WPAS_P2P_PD_AUTO;
3815
3816         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3817 }
3818
3819
3820 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3821                               size_t buflen)
3822 {
3823         struct wpa_ssid *ssid = wpa_s->current_ssid;
3824
3825         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3826             ssid->passphrase == NULL)
3827                 return -1;
3828
3829         os_strlcpy(buf, ssid->passphrase, buflen);
3830         return os_strlen(buf);
3831 }
3832
3833
3834 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3835                                   char *buf, size_t buflen)
3836 {
3837         u64 ref;
3838         int res;
3839         u8 dst_buf[ETH_ALEN], *dst;
3840         struct wpabuf *tlvs;
3841         char *pos;
3842         size_t len;
3843
3844         if (hwaddr_aton(cmd, dst_buf))
3845                 return -1;
3846         dst = dst_buf;
3847         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3848             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3849                 dst = NULL;
3850         pos = cmd + 17;
3851         if (*pos != ' ')
3852                 return -1;
3853         pos++;
3854
3855         if (os_strncmp(pos, "upnp ", 5) == 0) {
3856                 u8 version;
3857                 pos += 5;
3858                 if (hexstr2bin(pos, &version, 1) < 0)
3859                         return -1;
3860                 pos += 2;
3861                 if (*pos != ' ')
3862                         return -1;
3863                 pos++;
3864                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3865 #ifdef CONFIG_WIFI_DISPLAY
3866         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3867                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3868 #endif /* CONFIG_WIFI_DISPLAY */
3869         } else {
3870                 len = os_strlen(pos);
3871                 if (len & 1)
3872                         return -1;
3873                 len /= 2;
3874                 tlvs = wpabuf_alloc(len);
3875                 if (tlvs == NULL)
3876                         return -1;
3877                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3878                         wpabuf_free(tlvs);
3879                         return -1;
3880                 }
3881
3882                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3883                 wpabuf_free(tlvs);
3884         }
3885         if (ref == 0)
3886                 return -1;
3887         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3888         if (res < 0 || (unsigned) res >= buflen)
3889                 return -1;
3890         return res;
3891 }
3892
3893
3894 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3895                                          char *cmd)
3896 {
3897         long long unsigned val;
3898         u64 req;
3899         if (sscanf(cmd, "%llx", &val) != 1)
3900                 return -1;
3901         req = val;
3902         return wpas_p2p_sd_cancel_request(wpa_s, req);
3903 }
3904
3905
3906 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3907 {
3908         int freq;
3909         u8 dst[ETH_ALEN];
3910         u8 dialog_token;
3911         struct wpabuf *resp_tlvs;
3912         char *pos, *pos2;
3913         size_t len;
3914
3915         pos = os_strchr(cmd, ' ');
3916         if (pos == NULL)
3917                 return -1;
3918         *pos++ = '\0';
3919         freq = atoi(cmd);
3920         if (freq == 0)
3921                 return -1;
3922
3923         if (hwaddr_aton(pos, dst))
3924                 return -1;
3925         pos += 17;
3926         if (*pos != ' ')
3927                 return -1;
3928         pos++;
3929
3930         pos2 = os_strchr(pos, ' ');
3931         if (pos2 == NULL)
3932                 return -1;
3933         *pos2++ = '\0';
3934         dialog_token = atoi(pos);
3935
3936         len = os_strlen(pos2);
3937         if (len & 1)
3938                 return -1;
3939         len /= 2;
3940         resp_tlvs = wpabuf_alloc(len);
3941         if (resp_tlvs == NULL)
3942                 return -1;
3943         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3944                 wpabuf_free(resp_tlvs);
3945                 return -1;
3946         }
3947
3948         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3949         wpabuf_free(resp_tlvs);
3950         return 0;
3951 }
3952
3953
3954 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3955                                        char *cmd)
3956 {
3957         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3958                 return -1;
3959         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3960         return 0;
3961 }
3962
3963
3964 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3965                                         char *cmd)
3966 {
3967         char *pos;
3968         size_t len;
3969         struct wpabuf *query, *resp;
3970
3971         pos = os_strchr(cmd, ' ');
3972         if (pos == NULL)
3973                 return -1;
3974         *pos++ = '\0';
3975
3976         len = os_strlen(cmd);
3977         if (len & 1)
3978                 return -1;
3979         len /= 2;
3980         query = wpabuf_alloc(len);
3981         if (query == NULL)
3982                 return -1;
3983         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3984                 wpabuf_free(query);
3985                 return -1;
3986         }
3987
3988         len = os_strlen(pos);
3989         if (len & 1) {
3990                 wpabuf_free(query);
3991                 return -1;
3992         }
3993         len /= 2;
3994         resp = wpabuf_alloc(len);
3995         if (resp == NULL) {
3996                 wpabuf_free(query);
3997                 return -1;
3998         }
3999         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
4000                 wpabuf_free(query);
4001                 wpabuf_free(resp);
4002                 return -1;
4003         }
4004
4005         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
4006                 wpabuf_free(query);
4007                 wpabuf_free(resp);
4008                 return -1;
4009         }
4010         return 0;
4011 }
4012
4013
4014 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4015 {
4016         char *pos;
4017         u8 version;
4018
4019         pos = os_strchr(cmd, ' ');
4020         if (pos == NULL)
4021                 return -1;
4022         *pos++ = '\0';
4023
4024         if (hexstr2bin(cmd, &version, 1) < 0)
4025                 return -1;
4026
4027         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
4028 }
4029
4030
4031 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
4032 {
4033         char *pos;
4034
4035         pos = os_strchr(cmd, ' ');
4036         if (pos == NULL)
4037                 return -1;
4038         *pos++ = '\0';
4039
4040         if (os_strcmp(cmd, "bonjour") == 0)
4041                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
4042         if (os_strcmp(cmd, "upnp") == 0)
4043                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
4044         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4045         return -1;
4046 }
4047
4048
4049 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
4050                                         char *cmd)
4051 {
4052         size_t len;
4053         struct wpabuf *query;
4054         int ret;
4055
4056         len = os_strlen(cmd);
4057         if (len & 1)
4058                 return -1;
4059         len /= 2;
4060         query = wpabuf_alloc(len);
4061         if (query == NULL)
4062                 return -1;
4063         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4064                 wpabuf_free(query);
4065                 return -1;
4066         }
4067
4068         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
4069         wpabuf_free(query);
4070         return ret;
4071 }
4072
4073
4074 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4075 {
4076         char *pos;
4077         u8 version;
4078
4079         pos = os_strchr(cmd, ' ');
4080         if (pos == NULL)
4081                 return -1;
4082         *pos++ = '\0';
4083
4084         if (hexstr2bin(cmd, &version, 1) < 0)
4085                 return -1;
4086
4087         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4088 }
4089
4090
4091 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4092 {
4093         char *pos;
4094
4095         pos = os_strchr(cmd, ' ');
4096         if (pos == NULL)
4097                 return -1;
4098         *pos++ = '\0';
4099
4100         if (os_strcmp(cmd, "bonjour") == 0)
4101                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4102         if (os_strcmp(cmd, "upnp") == 0)
4103                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
4104         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4105         return -1;
4106 }
4107
4108
4109 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4110 {
4111         u8 addr[ETH_ALEN];
4112
4113         /* <addr> */
4114
4115         if (hwaddr_aton(cmd, addr))
4116                 return -1;
4117
4118         return wpas_p2p_reject(wpa_s, addr);
4119 }
4120
4121
4122 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
4123 {
4124         char *pos;
4125         int id;
4126         struct wpa_ssid *ssid;
4127         u8 *_peer = NULL, peer[ETH_ALEN];
4128         int freq = 0, pref_freq = 0;
4129         int ht40, vht;
4130
4131         id = atoi(cmd);
4132         pos = os_strstr(cmd, " peer=");
4133         if (pos) {
4134                 pos += 6;
4135                 if (hwaddr_aton(pos, peer))
4136                         return -1;
4137                 _peer = peer;
4138         }
4139         ssid = wpa_config_get_network(wpa_s->conf, id);
4140         if (ssid == NULL || ssid->disabled != 2) {
4141                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4142                            "for persistent P2P group",
4143                            id);
4144                 return -1;
4145         }
4146
4147         pos = os_strstr(cmd, " freq=");
4148         if (pos) {
4149                 pos += 6;
4150                 freq = atoi(pos);
4151                 if (freq <= 0)
4152                         return -1;
4153         }
4154
4155         pos = os_strstr(cmd, " pref=");
4156         if (pos) {
4157                 pos += 6;
4158                 pref_freq = atoi(pos);
4159                 if (pref_freq <= 0)
4160                         return -1;
4161         }
4162
4163         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4164         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4165                 vht;
4166
4167         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
4168                                pref_freq);
4169 }
4170
4171
4172 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4173 {
4174         char *pos;
4175         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4176
4177         pos = os_strstr(cmd, " peer=");
4178         if (!pos)
4179                 return -1;
4180
4181         *pos = '\0';
4182         pos += 6;
4183         if (hwaddr_aton(pos, peer)) {
4184                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4185                 return -1;
4186         }
4187
4188         pos = os_strstr(pos, " go_dev_addr=");
4189         if (pos) {
4190                 pos += 13;
4191                 if (hwaddr_aton(pos, go_dev_addr)) {
4192                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4193                                    pos);
4194                         return -1;
4195                 }
4196                 go_dev = go_dev_addr;
4197         }
4198
4199         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4200 }
4201
4202
4203 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4204 {
4205         if (os_strncmp(cmd, "persistent=", 11) == 0)
4206                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4207         if (os_strncmp(cmd, "group=", 6) == 0)
4208                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4209
4210         return -1;
4211 }
4212
4213
4214 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4215                                          char *cmd, int freq, int ht40,
4216                                          int vht)
4217 {
4218         int id;
4219         struct wpa_ssid *ssid;
4220
4221         id = atoi(cmd);
4222         ssid = wpa_config_get_network(wpa_s->conf, id);
4223         if (ssid == NULL || ssid->disabled != 2) {
4224                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4225                            "for persistent P2P group",
4226                            id);
4227                 return -1;
4228         }
4229
4230         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40, vht,
4231                                              NULL, 0);
4232 }
4233
4234
4235 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4236 {
4237         int freq = 0, ht40, vht;
4238         char *pos;
4239
4240         pos = os_strstr(cmd, "freq=");
4241         if (pos)
4242                 freq = atoi(pos + 5);
4243
4244         vht = (os_strstr(cmd, "vht") != NULL) || wpa_s->conf->p2p_go_vht;
4245         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4246                 vht;
4247
4248         if (os_strncmp(cmd, "persistent=", 11) == 0)
4249                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4250                                                      ht40, vht);
4251         if (os_strcmp(cmd, "persistent") == 0 ||
4252             os_strncmp(cmd, "persistent ", 11) == 0)
4253                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40, vht);
4254         if (os_strncmp(cmd, "freq=", 5) == 0)
4255                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4256         if (ht40)
4257                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4258
4259         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4260                    cmd);
4261         return -1;
4262 }
4263
4264
4265 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4266                          char *buf, size_t buflen)
4267 {
4268         u8 addr[ETH_ALEN], *addr_ptr;
4269         int next, res;
4270         const struct p2p_peer_info *info;
4271         char *pos, *end;
4272         char devtype[WPS_DEV_TYPE_BUFSIZE];
4273         struct wpa_ssid *ssid;
4274         size_t i;
4275
4276         if (!wpa_s->global->p2p)
4277                 return -1;
4278
4279         if (os_strcmp(cmd, "FIRST") == 0) {
4280                 addr_ptr = NULL;
4281                 next = 0;
4282         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4283                 if (hwaddr_aton(cmd + 5, addr) < 0)
4284                         return -1;
4285                 addr_ptr = addr;
4286                 next = 1;
4287         } else {
4288                 if (hwaddr_aton(cmd, addr) < 0)
4289                         return -1;
4290                 addr_ptr = addr;
4291                 next = 0;
4292         }
4293
4294         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4295         if (info == NULL)
4296                 return -1;
4297
4298         pos = buf;
4299         end = buf + buflen;
4300
4301         res = os_snprintf(pos, end - pos, MACSTR "\n"
4302                           "pri_dev_type=%s\n"
4303                           "device_name=%s\n"
4304                           "manufacturer=%s\n"
4305                           "model_name=%s\n"
4306                           "model_number=%s\n"
4307                           "serial_number=%s\n"
4308                           "config_methods=0x%x\n"
4309                           "dev_capab=0x%x\n"
4310                           "group_capab=0x%x\n"
4311                           "level=%d\n",
4312                           MAC2STR(info->p2p_device_addr),
4313                           wps_dev_type_bin2str(info->pri_dev_type,
4314                                                devtype, sizeof(devtype)),
4315                           info->device_name,
4316                           info->manufacturer,
4317                           info->model_name,
4318                           info->model_number,
4319                           info->serial_number,
4320                           info->config_methods,
4321                           info->dev_capab,
4322                           info->group_capab,
4323                           info->level);
4324         if (res < 0 || res >= end - pos)
4325                 return pos - buf;
4326         pos += res;
4327
4328         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4329         {
4330                 const u8 *t;
4331                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4332                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4333                                   wps_dev_type_bin2str(t, devtype,
4334                                                        sizeof(devtype)));
4335                 if (res < 0 || res >= end - pos)
4336                         return pos - buf;
4337                 pos += res;
4338         }
4339
4340         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4341         if (ssid) {
4342                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4343                 if (res < 0 || res >= end - pos)
4344                         return pos - buf;
4345                 pos += res;
4346         }
4347
4348         res = p2p_get_peer_info_txt(info, pos, end - pos);
4349         if (res < 0)
4350                 return pos - buf;
4351         pos += res;
4352
4353         return pos - buf;
4354 }
4355
4356
4357 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4358                                   const char *param)
4359 {
4360         unsigned int i;
4361
4362         if (wpa_s->global->p2p == NULL)
4363                 return -1;
4364
4365         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
4366                 return -1;
4367
4368         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
4369                 struct wpa_freq_range *freq;
4370                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
4371                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4372                            freq->min, freq->max);
4373         }
4374
4375         wpas_p2p_update_channel_list(wpa_s);
4376         return 0;
4377 }
4378
4379
4380 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4381 {
4382         char *param;
4383
4384         if (wpa_s->global->p2p == NULL)
4385                 return -1;
4386
4387         param = os_strchr(cmd, ' ');
4388         if (param == NULL)
4389                 return -1;
4390         *param++ = '\0';
4391
4392         if (os_strcmp(cmd, "discoverability") == 0) {
4393                 p2p_set_client_discoverability(wpa_s->global->p2p,
4394                                                atoi(param));
4395                 return 0;
4396         }
4397
4398         if (os_strcmp(cmd, "managed") == 0) {
4399                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4400                 return 0;
4401         }
4402
4403         if (os_strcmp(cmd, "listen_channel") == 0) {
4404                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4405                                               atoi(param));
4406         }
4407
4408         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4409                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4410                                             os_strlen(param));
4411         }
4412
4413         if (os_strcmp(cmd, "noa") == 0) {
4414                 char *pos;
4415                 int count, start, duration;
4416                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4417                 count = atoi(param);
4418                 pos = os_strchr(param, ',');
4419                 if (pos == NULL)
4420                         return -1;
4421                 pos++;
4422                 start = atoi(pos);
4423                 pos = os_strchr(pos, ',');
4424                 if (pos == NULL)
4425                         return -1;
4426                 pos++;
4427                 duration = atoi(pos);
4428                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4429                         return -1;
4430                 if (count == 0 && duration > 0)
4431                         return -1;
4432                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4433                            "start=%d duration=%d", count, start, duration);
4434                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4435         }
4436
4437         if (os_strcmp(cmd, "ps") == 0)
4438                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4439
4440         if (os_strcmp(cmd, "oppps") == 0)
4441                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4442
4443         if (os_strcmp(cmd, "ctwindow") == 0)
4444                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4445
4446         if (os_strcmp(cmd, "disabled") == 0) {
4447                 wpa_s->global->p2p_disabled = atoi(param);
4448                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4449                            wpa_s->global->p2p_disabled ?
4450                            "disabled" : "enabled");
4451                 if (wpa_s->global->p2p_disabled) {
4452                         wpas_p2p_stop_find(wpa_s);
4453                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4454                         p2p_flush(wpa_s->global->p2p);
4455                 }
4456                 return 0;
4457         }
4458
4459         if (os_strcmp(cmd, "conc_pref") == 0) {
4460                 if (os_strcmp(param, "sta") == 0)
4461                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4462                 else if (os_strcmp(param, "p2p") == 0)
4463                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4464                 else {
4465                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4466                         return -1;
4467                 }
4468                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4469                            "%s", param);
4470                 return 0;
4471         }
4472
4473         if (os_strcmp(cmd, "force_long_sd") == 0) {
4474                 wpa_s->force_long_sd = atoi(param);
4475                 return 0;
4476         }
4477
4478         if (os_strcmp(cmd, "peer_filter") == 0) {
4479                 u8 addr[ETH_ALEN];
4480                 if (hwaddr_aton(param, addr))
4481                         return -1;
4482                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4483                 return 0;
4484         }
4485
4486         if (os_strcmp(cmd, "cross_connect") == 0)
4487                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4488
4489         if (os_strcmp(cmd, "go_apsd") == 0) {
4490                 if (os_strcmp(param, "disable") == 0)
4491                         wpa_s->set_ap_uapsd = 0;
4492                 else {
4493                         wpa_s->set_ap_uapsd = 1;
4494                         wpa_s->ap_uapsd = atoi(param);
4495                 }
4496                 return 0;
4497         }
4498
4499         if (os_strcmp(cmd, "client_apsd") == 0) {
4500                 if (os_strcmp(param, "disable") == 0)
4501                         wpa_s->set_sta_uapsd = 0;
4502                 else {
4503                         int be, bk, vi, vo;
4504                         char *pos;
4505                         /* format: BE,BK,VI,VO;max SP Length */
4506                         be = atoi(param);
4507                         pos = os_strchr(param, ',');
4508                         if (pos == NULL)
4509                                 return -1;
4510                         pos++;
4511                         bk = atoi(pos);
4512                         pos = os_strchr(pos, ',');
4513                         if (pos == NULL)
4514                                 return -1;
4515                         pos++;
4516                         vi = atoi(pos);
4517                         pos = os_strchr(pos, ',');
4518                         if (pos == NULL)
4519                                 return -1;
4520                         pos++;
4521                         vo = atoi(pos);
4522                         /* ignore max SP Length for now */
4523
4524                         wpa_s->set_sta_uapsd = 1;
4525                         wpa_s->sta_uapsd = 0;
4526                         if (be)
4527                                 wpa_s->sta_uapsd |= BIT(0);
4528                         if (bk)
4529                                 wpa_s->sta_uapsd |= BIT(1);
4530                         if (vi)
4531                                 wpa_s->sta_uapsd |= BIT(2);
4532                         if (vo)
4533                                 wpa_s->sta_uapsd |= BIT(3);
4534                 }
4535                 return 0;
4536         }
4537
4538         if (os_strcmp(cmd, "disallow_freq") == 0)
4539                 return p2p_ctrl_disallow_freq(wpa_s, param);
4540
4541         if (os_strcmp(cmd, "disc_int") == 0) {
4542                 int min_disc_int, max_disc_int, max_disc_tu;
4543                 char *pos;
4544
4545                 pos = param;
4546
4547                 min_disc_int = atoi(pos);
4548                 pos = os_strchr(pos, ' ');
4549                 if (pos == NULL)
4550                         return -1;
4551                 *pos++ = '\0';
4552
4553                 max_disc_int = atoi(pos);
4554                 pos = os_strchr(pos, ' ');
4555                 if (pos == NULL)
4556                         return -1;
4557                 *pos++ = '\0';
4558
4559                 max_disc_tu = atoi(pos);
4560
4561                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4562                                         max_disc_int, max_disc_tu);
4563         }
4564
4565         if (os_strcmp(cmd, "per_sta_psk") == 0) {
4566                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
4567                 return 0;
4568         }
4569
4570         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4571                    cmd);
4572
4573         return -1;
4574 }
4575
4576
4577 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
4578 {
4579         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4580         wpa_s->force_long_sd = 0;
4581         if (wpa_s->global->p2p)
4582                 p2p_flush(wpa_s->global->p2p);
4583 }
4584
4585
4586 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4587 {
4588         char *pos, *pos2;
4589         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4590
4591         if (cmd[0]) {
4592                 pos = os_strchr(cmd, ' ');
4593                 if (pos == NULL)
4594                         return -1;
4595                 *pos++ = '\0';
4596                 dur1 = atoi(cmd);
4597
4598                 pos2 = os_strchr(pos, ' ');
4599                 if (pos2)
4600                         *pos2++ = '\0';
4601                 int1 = atoi(pos);
4602         } else
4603                 pos2 = NULL;
4604
4605         if (pos2) {
4606                 pos = os_strchr(pos2, ' ');
4607                 if (pos == NULL)
4608                         return -1;
4609                 *pos++ = '\0';
4610                 dur2 = atoi(pos2);
4611                 int2 = atoi(pos);
4612         }
4613
4614         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4615 }
4616
4617
4618 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4619 {
4620         char *pos;
4621         unsigned int period = 0, interval = 0;
4622
4623         if (cmd[0]) {
4624                 pos = os_strchr(cmd, ' ');
4625                 if (pos == NULL)
4626                         return -1;
4627                 *pos++ = '\0';
4628                 period = atoi(cmd);
4629                 interval = atoi(pos);
4630         }
4631
4632         return wpas_p2p_ext_listen(wpa_s, period, interval);
4633 }
4634
4635
4636 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
4637 {
4638         const char *pos;
4639         u8 peer[ETH_ALEN];
4640         int iface_addr = 0;
4641
4642         pos = cmd;
4643         if (os_strncmp(pos, "iface=", 6) == 0) {
4644                 iface_addr = 1;
4645                 pos += 6;
4646         }
4647         if (hwaddr_aton(pos, peer))
4648                 return -1;
4649
4650         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
4651         return 0;
4652 }
4653
4654 #endif /* CONFIG_P2P */
4655
4656
4657 #ifdef CONFIG_INTERWORKING
4658 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4659 {
4660         u8 bssid[ETH_ALEN];
4661         struct wpa_bss *bss;
4662
4663         if (hwaddr_aton(dst, bssid)) {
4664                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4665                 return -1;
4666         }
4667
4668         bss = wpa_bss_get_bssid(wpa_s, bssid);
4669         if (bss == NULL) {
4670                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4671                            MAC2STR(bssid));
4672                 return -1;
4673         }
4674
4675         return interworking_connect(wpa_s, bss);
4676 }
4677
4678
4679 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4680 {
4681         u8 dst_addr[ETH_ALEN];
4682         int used;
4683         char *pos;
4684 #define MAX_ANQP_INFO_ID 100
4685         u16 id[MAX_ANQP_INFO_ID];
4686         size_t num_id = 0;
4687
4688         used = hwaddr_aton2(dst, dst_addr);
4689         if (used < 0)
4690                 return -1;
4691         pos = dst + used;
4692         while (num_id < MAX_ANQP_INFO_ID) {
4693                 id[num_id] = atoi(pos);
4694                 if (id[num_id])
4695                         num_id++;
4696                 pos = os_strchr(pos + 1, ',');
4697                 if (pos == NULL)
4698                         break;
4699                 pos++;
4700         }
4701
4702         if (num_id == 0)
4703                 return -1;
4704
4705         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4706 }
4707
4708
4709 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4710 {
4711         u8 dst_addr[ETH_ALEN];
4712         struct wpabuf *advproto, *query = NULL;
4713         int used, ret = -1;
4714         char *pos, *end;
4715         size_t len;
4716
4717         used = hwaddr_aton2(cmd, dst_addr);
4718         if (used < 0)
4719                 return -1;
4720
4721         pos = cmd + used;
4722         while (*pos == ' ')
4723                 pos++;
4724
4725         /* Advertisement Protocol ID */
4726         end = os_strchr(pos, ' ');
4727         if (end)
4728                 len = end - pos;
4729         else
4730                 len = os_strlen(pos);
4731         if (len & 0x01)
4732                 return -1;
4733         len /= 2;
4734         if (len == 0)
4735                 return -1;
4736         advproto = wpabuf_alloc(len);
4737         if (advproto == NULL)
4738                 return -1;
4739         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4740                 goto fail;
4741
4742         if (end) {
4743                 /* Optional Query Request */
4744                 pos = end + 1;
4745                 while (*pos == ' ')
4746                         pos++;
4747
4748                 len = os_strlen(pos);
4749                 if (len) {
4750                         if (len & 0x01)
4751                                 goto fail;
4752                         len /= 2;
4753                         if (len == 0)
4754                                 goto fail;
4755                         query = wpabuf_alloc(len);
4756                         if (query == NULL)
4757                                 goto fail;
4758                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4759                                 goto fail;
4760                 }
4761         }
4762
4763         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4764
4765 fail:
4766         wpabuf_free(advproto);
4767         wpabuf_free(query);
4768
4769         return ret;
4770 }
4771
4772
4773 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4774                             size_t buflen)
4775 {
4776         u8 addr[ETH_ALEN];
4777         int dialog_token;
4778         int used;
4779         char *pos;
4780         size_t resp_len, start, requested_len;
4781
4782         if (!wpa_s->last_gas_resp)
4783                 return -1;
4784
4785         used = hwaddr_aton2(cmd, addr);
4786         if (used < 0)
4787                 return -1;
4788
4789         pos = cmd + used;
4790         while (*pos == ' ')
4791                 pos++;
4792         dialog_token = atoi(pos);
4793
4794         if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4795             dialog_token != wpa_s->last_gas_dialog_token)
4796                 return -1;
4797
4798         resp_len = wpabuf_len(wpa_s->last_gas_resp);
4799         start = 0;
4800         requested_len = resp_len;
4801
4802         pos = os_strchr(pos, ' ');
4803         if (pos) {
4804                 start = atoi(pos);
4805                 if (start > resp_len)
4806                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4807                 pos = os_strchr(pos, ',');
4808                 if (pos == NULL)
4809                         return -1;
4810                 pos++;
4811                 requested_len = atoi(pos);
4812                 if (start + requested_len > resp_len)
4813                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4814         }
4815
4816         if (requested_len * 2 + 1 > buflen)
4817                 return os_snprintf(buf, buflen, "FAIL-Too long response");
4818
4819         return wpa_snprintf_hex(buf, buflen,
4820                                 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4821                                 requested_len);
4822 }
4823 #endif /* CONFIG_INTERWORKING */
4824
4825
4826 #ifdef CONFIG_HS20
4827
4828 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4829 {
4830         u8 dst_addr[ETH_ALEN];
4831         int used;
4832         char *pos;
4833         u32 subtypes = 0;
4834
4835         used = hwaddr_aton2(dst, dst_addr);
4836         if (used < 0)
4837                 return -1;
4838         pos = dst + used;
4839         for (;;) {
4840                 int num = atoi(pos);
4841                 if (num <= 0 || num > 31)
4842                         return -1;
4843                 subtypes |= BIT(num);
4844                 pos = os_strchr(pos + 1, ',');
4845                 if (pos == NULL)
4846                         break;
4847                 pos++;
4848         }
4849
4850         if (subtypes == 0)
4851                 return -1;
4852
4853         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4854 }
4855
4856
4857 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4858                                     const u8 *addr, const char *realm)
4859 {
4860         u8 *buf;
4861         size_t rlen, len;
4862         int ret;
4863
4864         rlen = os_strlen(realm);
4865         len = 3 + rlen;
4866         buf = os_malloc(len);
4867         if (buf == NULL)
4868                 return -1;
4869         buf[0] = 1; /* NAI Home Realm Count */
4870         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4871         buf[2] = rlen;
4872         os_memcpy(buf + 3, realm, rlen);
4873
4874         ret = hs20_anqp_send_req(wpa_s, addr,
4875                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4876                                  buf, len);
4877
4878         os_free(buf);
4879
4880         return ret;
4881 }
4882
4883
4884 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4885                                         char *dst)
4886 {
4887         struct wpa_cred *cred = wpa_s->conf->cred;
4888         u8 dst_addr[ETH_ALEN];
4889         int used;
4890         u8 *buf;
4891         size_t len;
4892         int ret;
4893
4894         used = hwaddr_aton2(dst, dst_addr);
4895         if (used < 0)
4896                 return -1;
4897
4898         while (dst[used] == ' ')
4899                 used++;
4900         if (os_strncmp(dst + used, "realm=", 6) == 0)
4901                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4902                                                 dst + used + 6);
4903
4904         len = os_strlen(dst + used);
4905
4906         if (len == 0 && cred && cred->realm)
4907                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4908
4909         if (len % 1)
4910                 return -1;
4911         len /= 2;
4912         buf = os_malloc(len);
4913         if (buf == NULL)
4914                 return -1;
4915         if (hexstr2bin(dst + used, buf, len) < 0) {
4916                 os_free(buf);
4917                 return -1;
4918         }
4919
4920         ret = hs20_anqp_send_req(wpa_s, dst_addr,
4921                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4922                                  buf, len);
4923         os_free(buf);
4924
4925         return ret;
4926 }
4927
4928 #endif /* CONFIG_HS20 */
4929
4930
4931 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4932         struct wpa_supplicant *wpa_s, char *cmd)
4933 {
4934         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4935         return 0;
4936 }
4937
4938
4939 #ifdef CONFIG_AUTOSCAN
4940
4941 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4942                                               char *cmd)
4943 {
4944         enum wpa_states state = wpa_s->wpa_state;
4945         char *new_params = NULL;
4946
4947         if (os_strlen(cmd) > 0) {
4948                 new_params = os_strdup(cmd);
4949                 if (new_params == NULL)
4950                         return -1;
4951         }
4952
4953         os_free(wpa_s->conf->autoscan);
4954         wpa_s->conf->autoscan = new_params;
4955
4956         if (wpa_s->conf->autoscan == NULL)
4957                 autoscan_deinit(wpa_s);
4958         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4959                 autoscan_init(wpa_s, 1);
4960         else if (state == WPA_SCANNING)
4961                 wpa_supplicant_reinit_autoscan(wpa_s);
4962
4963         return 0;
4964 }
4965
4966 #endif /* CONFIG_AUTOSCAN */
4967
4968
4969 #ifdef CONFIG_WNM
4970
4971 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
4972 {
4973         int enter;
4974         int intval = 0;
4975         char *pos;
4976         int ret;
4977         struct wpabuf *tfs_req = NULL;
4978
4979         if (os_strncmp(cmd, "enter", 5) == 0)
4980                 enter = 1;
4981         else if (os_strncmp(cmd, "exit", 4) == 0)
4982                 enter = 0;
4983         else
4984                 return -1;
4985
4986         pos = os_strstr(cmd, " interval=");
4987         if (pos)
4988                 intval = atoi(pos + 10);
4989
4990         pos = os_strstr(cmd, " tfs_req=");
4991         if (pos) {
4992                 char *end;
4993                 size_t len;
4994                 pos += 9;
4995                 end = os_strchr(pos, ' ');
4996                 if (end)
4997                         len = end - pos;
4998                 else
4999                         len = os_strlen(pos);
5000                 if (len & 1)
5001                         return -1;
5002                 len /= 2;
5003                 tfs_req = wpabuf_alloc(len);
5004                 if (tfs_req == NULL)
5005                         return -1;
5006                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
5007                         wpabuf_free(tfs_req);
5008                         return -1;
5009                 }
5010         }
5011
5012         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
5013                                            WNM_SLEEP_MODE_EXIT, intval,
5014                                            tfs_req);
5015         wpabuf_free(tfs_req);
5016
5017         return ret;
5018 }
5019
5020
5021 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
5022 {
5023         int query_reason;
5024
5025         query_reason = atoi(cmd);
5026
5027         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
5028                    query_reason);
5029
5030         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
5031 }
5032
5033 #endif /* CONFIG_WNM */
5034
5035
5036 /* Get string representation of channel width */
5037 static const char * channel_width_name(enum chan_width width)
5038 {
5039         switch (width) {
5040         case CHAN_WIDTH_20_NOHT:
5041                 return "20 MHz (no HT)";
5042         case CHAN_WIDTH_20:
5043                 return "20 MHz";
5044         case CHAN_WIDTH_40:
5045                 return "40 MHz";
5046         case CHAN_WIDTH_80:
5047                 return "80 MHz";
5048         case CHAN_WIDTH_80P80:
5049                 return "80+80 MHz";
5050         case CHAN_WIDTH_160:
5051                 return "160 MHz";
5052         default:
5053                 return "unknown";
5054         }
5055 }
5056
5057
5058 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
5059                                       size_t buflen)
5060 {
5061         struct wpa_signal_info si;
5062         int ret;
5063         char *pos, *end;
5064
5065         ret = wpa_drv_signal_poll(wpa_s, &si);
5066         if (ret)
5067                 return -1;
5068
5069         pos = buf;
5070         end = buf + buflen;
5071
5072         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
5073                           "NOISE=%d\nFREQUENCY=%u\n",
5074                           si.current_signal, si.current_txrate / 1000,
5075                           si.current_noise, si.frequency);
5076         if (ret < 0 || ret > end - pos)
5077                 return -1;
5078         pos += ret;
5079
5080         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
5081                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
5082                                   channel_width_name(si.chanwidth));
5083                 if (ret < 0 || ret > end - pos)
5084                         return -1;
5085                 pos += ret;
5086         }
5087
5088         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
5089                 ret = os_snprintf(pos, end - pos,
5090                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
5091                                   si.center_frq1, si.center_frq2);
5092                 if (ret < 0 || ret > end - pos)
5093                         return -1;
5094                 pos += ret;
5095         }
5096
5097         if (si.avg_signal) {
5098                 ret = os_snprintf(pos, end - pos,
5099                                   "AVG_RSSI=%d\n", si.avg_signal);
5100                 if (ret < 0 || ret >= end - pos)
5101                         return -1;
5102                 pos += ret;
5103         }
5104
5105         return pos - buf;
5106 }
5107
5108
5109 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
5110                                       size_t buflen)
5111 {
5112         struct hostap_sta_driver_data sta;
5113         int ret;
5114
5115         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
5116         if (ret)
5117                 return -1;
5118
5119         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
5120                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
5121         if (ret < 0 || (size_t) ret > buflen)
5122                 return -1;
5123         return ret;
5124 }
5125
5126
5127 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
5128 {
5129         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
5130
5131 #ifdef CONFIG_P2P
5132         wpas_p2p_stop_find(wpa_s);
5133         p2p_ctrl_flush(wpa_s);
5134         wpas_p2p_group_remove(wpa_s, "*");
5135 #endif /* CONFIG_P2P */
5136
5137 #ifdef CONFIG_WPS_TESTING
5138         wps_version_number = 0x20;
5139         wps_testing_dummy_cred = 0;
5140 #endif /* CONFIG_WPS_TESTING */
5141 #ifdef CONFIG_WPS
5142         wpas_wps_cancel(wpa_s);
5143 #endif /* CONFIG_WPS */
5144         wpa_s->after_wps = 0;
5145         wpa_s->known_wps_freq = 0;
5146
5147 #ifdef CONFIG_TDLS_TESTING
5148         extern unsigned int tdls_testing;
5149         tdls_testing = 0;
5150 #endif /* CONFIG_TDLS_TESTING */
5151 #ifdef CONFIG_TDLS
5152         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
5153         wpa_tdls_enable(wpa_s->wpa, 1);
5154 #endif /* CONFIG_TDLS */
5155
5156         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
5157         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
5158
5159         wpa_s->no_keep_alive = 0;
5160
5161         os_free(wpa_s->disallow_aps_bssid);
5162         wpa_s->disallow_aps_bssid = NULL;
5163         wpa_s->disallow_aps_bssid_count = 0;
5164         os_free(wpa_s->disallow_aps_ssid);
5165         wpa_s->disallow_aps_ssid = NULL;
5166         wpa_s->disallow_aps_ssid_count = 0;
5167
5168         wpa_s->set_sta_uapsd = 0;
5169         wpa_s->sta_uapsd = 0;
5170
5171         wpa_drv_radio_disable(wpa_s, 0);
5172
5173         wpa_bss_flush(wpa_s);
5174         wpa_blacklist_clear(wpa_s);
5175         wpa_s->extra_blacklist_count = 0;
5176         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
5177         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
5178 }
5179
5180
5181 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
5182 {
5183         struct wpa_supplicant *wpa_s = eloop_ctx;
5184         eapol_sm_notify_ctrl_response(wpa_s->eapol);
5185 }
5186
5187
5188 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
5189                                          char *buf, size_t *resp_len)
5190 {
5191         char *reply;
5192         const int reply_size = 4096;
5193         int reply_len;
5194
5195         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
5196             os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
5197             os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
5198             os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0 ||
5199             os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
5200                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
5201                                       (const u8 *) buf, os_strlen(buf));
5202         } else {
5203                 int level = MSG_DEBUG;
5204                 if (os_strcmp(buf, "PING") == 0)
5205                         level = MSG_EXCESSIVE;
5206                 wpa_hexdump_ascii(level, "RX ctrl_iface",
5207                                   (const u8 *) buf, os_strlen(buf));
5208                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
5209         }
5210
5211         reply = os_malloc(reply_size);
5212         if (reply == NULL) {
5213                 *resp_len = 1;
5214                 return NULL;
5215         }
5216
5217         os_memcpy(reply, "OK\n", 3);
5218         reply_len = 3;
5219
5220         if (os_strcmp(buf, "PING") == 0) {
5221                 os_memcpy(reply, "PONG\n", 5);
5222                 reply_len = 5;
5223         } else if (os_strcmp(buf, "IFNAME") == 0) {
5224                 reply_len = os_strlen(wpa_s->ifname);
5225                 os_memcpy(reply, wpa_s->ifname, reply_len);
5226         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
5227                 if (wpa_debug_reopen_file() < 0)
5228                         reply_len = -1;
5229         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
5230                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
5231         } else if (os_strcmp(buf, "MIB") == 0) {
5232                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
5233                 if (reply_len >= 0) {
5234                         int res;
5235                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
5236                                                reply_size - reply_len);
5237                         if (res < 0)
5238                                 reply_len = -1;
5239                         else
5240                                 reply_len += res;
5241                 }
5242         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
5243                 reply_len = wpa_supplicant_ctrl_iface_status(
5244                         wpa_s, buf + 6, reply, reply_size);
5245         } else if (os_strcmp(buf, "PMKSA") == 0) {
5246                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
5247                                                     reply_size);
5248         } else if (os_strncmp(buf, "SET ", 4) == 0) {
5249                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
5250                         reply_len = -1;
5251         } else if (os_strncmp(buf, "GET ", 4) == 0) {
5252                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
5253                                                           reply, reply_size);
5254         } else if (os_strcmp(buf, "LOGON") == 0) {
5255                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5256         } else if (os_strcmp(buf, "LOGOFF") == 0) {
5257                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
5258         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
5259                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5260                         reply_len = -1;
5261                 else
5262                         wpas_request_connection(wpa_s);
5263         } else if (os_strcmp(buf, "RECONNECT") == 0) {
5264                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5265                         reply_len = -1;
5266                 else if (wpa_s->disconnected)
5267                         wpas_request_connection(wpa_s);
5268 #ifdef IEEE8021X_EAPOL
5269         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
5270                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
5271                         reply_len = -1;
5272 #endif /* IEEE8021X_EAPOL */
5273 #ifdef CONFIG_PEERKEY
5274         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
5275                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
5276                         reply_len = -1;
5277 #endif /* CONFIG_PEERKEY */
5278 #ifdef CONFIG_IEEE80211R
5279         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
5280                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
5281                         reply_len = -1;
5282 #endif /* CONFIG_IEEE80211R */
5283 #ifdef CONFIG_WPS
5284         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
5285                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
5286                 if (res == -2) {
5287                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5288                         reply_len = 17;
5289                 } else if (res)
5290                         reply_len = -1;
5291         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
5292                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
5293                 if (res == -2) {
5294                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5295                         reply_len = 17;
5296                 } else if (res)
5297                         reply_len = -1;
5298         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
5299                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
5300                                                               reply,
5301                                                               reply_size);
5302         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
5303                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
5304                         wpa_s, buf + 14, reply, reply_size);
5305         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
5306                 if (wpas_wps_cancel(wpa_s))
5307                         reply_len = -1;
5308 #ifdef CONFIG_WPS_NFC
5309         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
5310                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
5311                         reply_len = -1;
5312         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
5313                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
5314                         reply_len = -1;
5315         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
5316                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
5317                         wpa_s, buf + 21, reply, reply_size);
5318         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
5319                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
5320                         wpa_s, buf + 14, reply, reply_size);
5321         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
5322                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
5323                                                                buf + 17))
5324                         reply_len = -1;
5325         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
5326                 reply_len = wpas_ctrl_nfc_get_handover_req(
5327                         wpa_s, buf + 21, reply, reply_size);
5328         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
5329                 reply_len = wpas_ctrl_nfc_get_handover_sel(
5330                         wpa_s, buf + 21, reply, reply_size);
5331         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
5332                 reply_len = wpas_ctrl_nfc_rx_handover_req(
5333                         wpa_s, buf + 20, reply, reply_size);
5334         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
5335                 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
5336                         reply_len = -1;
5337         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
5338                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
5339                         reply_len = -1;
5340 #endif /* CONFIG_WPS_NFC */
5341         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
5342                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
5343                         reply_len = -1;
5344 #ifdef CONFIG_AP
5345         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
5346                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
5347                         wpa_s, buf + 11, reply, reply_size);
5348 #endif /* CONFIG_AP */
5349 #ifdef CONFIG_WPS_ER
5350         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
5351                 if (wpas_wps_er_start(wpa_s, NULL))
5352                         reply_len = -1;
5353         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
5354                 if (wpas_wps_er_start(wpa_s, buf + 13))
5355                         reply_len = -1;
5356         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
5357                 if (wpas_wps_er_stop(wpa_s))
5358                         reply_len = -1;
5359         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
5360                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
5361                         reply_len = -1;
5362         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
5363                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
5364                 if (ret == -2) {
5365                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5366                         reply_len = 17;
5367                 } else if (ret == -3) {
5368                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
5369                         reply_len = 18;
5370                 } else if (ret == -4) {
5371                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
5372                         reply_len = 20;
5373                 } else if (ret)
5374                         reply_len = -1;
5375         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
5376                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
5377                         reply_len = -1;
5378         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
5379                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
5380                                                                 buf + 18))
5381                         reply_len = -1;
5382         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
5383                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
5384                         reply_len = -1;
5385 #ifdef CONFIG_WPS_NFC
5386         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
5387                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
5388                         wpa_s, buf + 24, reply, reply_size);
5389 #endif /* CONFIG_WPS_NFC */
5390 #endif /* CONFIG_WPS_ER */
5391 #endif /* CONFIG_WPS */
5392 #ifdef CONFIG_IBSS_RSN
5393         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
5394                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
5395                         reply_len = -1;
5396 #endif /* CONFIG_IBSS_RSN */
5397 #ifdef CONFIG_P2P
5398         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
5399                 if (p2p_ctrl_find(wpa_s, buf + 9))
5400                         reply_len = -1;
5401         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
5402                 if (p2p_ctrl_find(wpa_s, ""))
5403                         reply_len = -1;
5404         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
5405                 wpas_p2p_stop_find(wpa_s);
5406         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
5407                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
5408                                              reply_size);
5409         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
5410                 if (p2p_ctrl_listen(wpa_s, buf + 11))
5411                         reply_len = -1;
5412         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
5413                 if (p2p_ctrl_listen(wpa_s, ""))
5414                         reply_len = -1;
5415         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
5416                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
5417                         reply_len = -1;
5418         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
5419                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0, 0))
5420                         reply_len = -1;
5421         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
5422                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
5423                         reply_len = -1;
5424         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
5425                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
5426                         reply_len = -1;
5427         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
5428                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
5429         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
5430                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
5431                                                    reply_size);
5432         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
5433                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
5434                         reply_len = -1;
5435         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
5436                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
5437                         reply_len = -1;
5438         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
5439                 wpas_p2p_sd_service_update(wpa_s);
5440         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
5441                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
5442                         reply_len = -1;
5443         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
5444                 wpas_p2p_service_flush(wpa_s);
5445         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
5446                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
5447                         reply_len = -1;
5448         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
5449                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
5450                         reply_len = -1;
5451         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
5452                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
5453                         reply_len = -1;
5454         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
5455                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
5456                         reply_len = -1;
5457         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
5458                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
5459                                               reply_size);
5460         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
5461                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
5462                         reply_len = -1;
5463         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
5464                 p2p_ctrl_flush(wpa_s);
5465         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
5466                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
5467                         reply_len = -1;
5468         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
5469                 if (wpas_p2p_cancel(wpa_s))
5470                         reply_len = -1;
5471         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
5472                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
5473                         reply_len = -1;
5474         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
5475                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
5476                         reply_len = -1;
5477         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
5478                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
5479                         reply_len = -1;
5480         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
5481                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
5482                         reply_len = -1;
5483         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
5484                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
5485                         reply_len = -1;
5486 #endif /* CONFIG_P2P */
5487 #ifdef CONFIG_WIFI_DISPLAY
5488         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
5489                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
5490                         reply_len = -1;
5491         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
5492                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
5493                                                      reply, reply_size);
5494 #endif /* CONFIG_WIFI_DISPLAY */
5495 #ifdef CONFIG_INTERWORKING
5496         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
5497                 if (interworking_fetch_anqp(wpa_s) < 0)
5498                         reply_len = -1;
5499         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
5500                 interworking_stop_fetch_anqp(wpa_s);
5501         } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
5502                 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
5503                                         NULL) < 0)
5504                         reply_len = -1;
5505         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
5506                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
5507                         reply_len = -1;
5508         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
5509                 if (get_anqp(wpa_s, buf + 9) < 0)
5510                         reply_len = -1;
5511         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
5512                 if (gas_request(wpa_s, buf + 12) < 0)
5513                         reply_len = -1;
5514         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
5515                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
5516                                              reply_size);
5517 #endif /* CONFIG_INTERWORKING */
5518 #ifdef CONFIG_HS20
5519         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
5520                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
5521                         reply_len = -1;
5522         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
5523                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
5524                         reply_len = -1;
5525 #endif /* CONFIG_HS20 */
5526         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
5527         {
5528                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
5529                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
5530                         reply_len = -1;
5531                 else {
5532                         /*
5533                          * Notify response from timeout to allow the control
5534                          * interface response to be sent first.
5535                          */
5536                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
5537                                                wpa_s, NULL);
5538                 }
5539         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
5540                 if (wpa_supplicant_reload_configuration(wpa_s))
5541                         reply_len = -1;
5542         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5543                 wpa_supplicant_terminate_proc(wpa_s->global);
5544         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
5545                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
5546                         reply_len = -1;
5547         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
5548                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
5549                         wpa_s, buf + 9, reply, reply_size);
5550         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
5551                 reply_len = wpa_supplicant_ctrl_iface_log_level(
5552                         wpa_s, buf + 9, reply, reply_size);
5553         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
5554                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
5555                         wpa_s, reply, reply_size);
5556         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
5557 #ifdef CONFIG_SME
5558                 wpa_s->sme.prev_bssid_set = 0;
5559 #endif /* CONFIG_SME */
5560                 wpa_s->reassociate = 0;
5561                 wpa_s->disconnected = 1;
5562                 wpa_supplicant_cancel_sched_scan(wpa_s);
5563                 wpa_supplicant_cancel_scan(wpa_s);
5564                 wpa_supplicant_deauthenticate(wpa_s,
5565                                               WLAN_REASON_DEAUTH_LEAVING);
5566         } else if (os_strcmp(buf, "SCAN") == 0 ||
5567                    os_strncmp(buf, "SCAN ", 5) == 0) {
5568                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5569                         reply_len = -1;
5570                 else {
5571                         if (os_strlen(buf) > 4 &&
5572                             os_strncasecmp(buf + 5, "TYPE=ONLY", 9) == 0)
5573                                 wpa_s->scan_res_handler = scan_only_handler;
5574                         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5575                             ((wpa_s->wpa_state <= WPA_SCANNING) ||
5576                              (wpa_s->wpa_state == WPA_COMPLETED))) {
5577                                 wpa_s->normal_scans = 0;
5578                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5579                                 wpa_s->after_wps = 0;
5580                                 wpa_s->known_wps_freq = 0;
5581                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5582                         } else if (wpa_s->sched_scanning) {
5583                                 wpa_printf(MSG_DEBUG, "Stop ongoing "
5584                                            "sched_scan to allow requested "
5585                                            "full scan to proceed");
5586                                 wpa_supplicant_cancel_sched_scan(wpa_s);
5587                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5588                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5589                         } else {
5590                                 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
5591                                            "reject new request");
5592                                 reply_len = os_snprintf(reply, reply_size,
5593                                                         "FAIL-BUSY\n");
5594                         }
5595                 }
5596         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
5597                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
5598                         wpa_s, reply, reply_size);
5599         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
5600                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
5601                         reply_len = -1;
5602         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
5603                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
5604                         reply_len = -1;
5605         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
5606                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
5607                         reply_len = -1;
5608         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
5609                 reply_len = wpa_supplicant_ctrl_iface_add_network(
5610                         wpa_s, reply, reply_size);
5611         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
5612                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
5613                         reply_len = -1;
5614         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5615                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
5616                         reply_len = -1;
5617         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
5618                 reply_len = wpa_supplicant_ctrl_iface_get_network(
5619                         wpa_s, buf + 12, reply, reply_size);
5620         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
5621                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
5622                         wpa_s, reply, reply_size);
5623         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
5624                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
5625                         wpa_s, reply, reply_size);
5626         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
5627                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
5628                         reply_len = -1;
5629         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
5630                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
5631                         reply_len = -1;
5632 #ifndef CONFIG_NO_CONFIG_WRITE
5633         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
5634                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
5635                         reply_len = -1;
5636 #endif /* CONFIG_NO_CONFIG_WRITE */
5637         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
5638                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
5639                         wpa_s, buf + 15, reply, reply_size);
5640         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
5641                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
5642                         reply_len = -1;
5643         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
5644                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
5645                         reply_len = -1;
5646         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5647                 reply_len = wpa_supplicant_global_iface_list(
5648                         wpa_s->global, reply, reply_size);
5649         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5650                 reply_len = wpa_supplicant_global_iface_interfaces(
5651                         wpa_s->global, reply, reply_size);
5652         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
5653                 reply_len = wpa_supplicant_ctrl_iface_bss(
5654                         wpa_s, buf + 4, reply, reply_size);
5655 #ifdef CONFIG_AP
5656         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
5657                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
5658         } else if (os_strncmp(buf, "STA ", 4) == 0) {
5659                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
5660                                               reply_size);
5661         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
5662                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
5663                                                    reply_size);
5664         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
5665                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
5666                         reply_len = -1;
5667         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
5668                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
5669                         reply_len = -1;
5670 #endif /* CONFIG_AP */
5671         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5672                 wpas_notify_suspend(wpa_s->global);
5673         } else if (os_strcmp(buf, "RESUME") == 0) {
5674                 wpas_notify_resume(wpa_s->global);
5675         } else if (os_strcmp(buf, "DROP_SA") == 0) {
5676                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
5677         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
5678                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
5679                         reply_len = -1;
5680         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
5681                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
5682                         reply_len = -1;
5683         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
5684                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
5685                         reply_len = -1;
5686         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
5687                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
5688                                                                buf + 17))
5689                         reply_len = -1;
5690         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
5691                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
5692                         reply_len = -1;
5693 #ifdef CONFIG_TDLS
5694         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
5695                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
5696                         reply_len = -1;
5697         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
5698                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
5699                         reply_len = -1;
5700         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
5701                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
5702                         reply_len = -1;
5703 #endif /* CONFIG_TDLS */
5704         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
5705                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
5706                                                        reply_size);
5707         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
5708                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
5709                                                        reply_size);
5710 #ifdef CONFIG_AUTOSCAN
5711         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
5712                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
5713                         reply_len = -1;
5714 #endif /* CONFIG_AUTOSCAN */
5715         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
5716                 pmksa_cache_clear_current(wpa_s->wpa);
5717                 eapol_sm_request_reauth(wpa_s->eapol);
5718 #ifdef CONFIG_WNM
5719         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
5720                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
5721                         reply_len = -1;
5722         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 10) == 0) {
5723                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 10))
5724                                 reply_len = -1;
5725 #endif /* CONFIG_WNM */
5726         } else if (os_strcmp(buf, "FLUSH") == 0) {
5727                 wpa_supplicant_ctrl_iface_flush(wpa_s);
5728         } else {
5729                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5730                 reply_len = 16;
5731         }
5732
5733         if (reply_len < 0) {
5734                 os_memcpy(reply, "FAIL\n", 5);
5735                 reply_len = 5;
5736         }
5737
5738         *resp_len = reply_len;
5739         return reply;
5740 }
5741
5742
5743 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
5744                                            char *cmd)
5745 {
5746         struct wpa_interface iface;
5747         char *pos;
5748
5749         /*
5750          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
5751          * TAB<bridge_ifname>
5752          */
5753         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
5754
5755         os_memset(&iface, 0, sizeof(iface));
5756
5757         do {
5758                 iface.ifname = pos = cmd;
5759                 pos = os_strchr(pos, '\t');
5760                 if (pos)
5761                         *pos++ = '\0';
5762                 if (iface.ifname[0] == '\0')
5763                         return -1;
5764                 if (pos == NULL)
5765                         break;
5766
5767                 iface.confname = pos;
5768                 pos = os_strchr(pos, '\t');
5769                 if (pos)
5770                         *pos++ = '\0';
5771                 if (iface.confname[0] == '\0')
5772                         iface.confname = NULL;
5773                 if (pos == NULL)
5774                         break;
5775
5776                 iface.driver = pos;
5777                 pos = os_strchr(pos, '\t');
5778                 if (pos)
5779                         *pos++ = '\0';
5780                 if (iface.driver[0] == '\0')
5781                         iface.driver = NULL;
5782                 if (pos == NULL)
5783                         break;
5784
5785                 iface.ctrl_interface = pos;
5786                 pos = os_strchr(pos, '\t');
5787                 if (pos)
5788                         *pos++ = '\0';
5789                 if (iface.ctrl_interface[0] == '\0')
5790                         iface.ctrl_interface = NULL;
5791                 if (pos == NULL)
5792                         break;
5793
5794                 iface.driver_param = pos;
5795                 pos = os_strchr(pos, '\t');
5796                 if (pos)
5797                         *pos++ = '\0';
5798                 if (iface.driver_param[0] == '\0')
5799                         iface.driver_param = NULL;
5800                 if (pos == NULL)
5801                         break;
5802
5803                 iface.bridge_ifname = pos;
5804                 pos = os_strchr(pos, '\t');
5805                 if (pos)
5806                         *pos++ = '\0';
5807                 if (iface.bridge_ifname[0] == '\0')
5808                         iface.bridge_ifname = NULL;
5809                 if (pos == NULL)
5810                         break;
5811         } while (0);
5812
5813         if (wpa_supplicant_get_iface(global, iface.ifname))
5814                 return -1;
5815
5816         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
5817 }
5818
5819
5820 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
5821                                               char *cmd)
5822 {
5823         struct wpa_supplicant *wpa_s;
5824
5825         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
5826
5827         wpa_s = wpa_supplicant_get_iface(global, cmd);
5828         if (wpa_s == NULL)
5829                 return -1;
5830         return wpa_supplicant_remove_iface(global, wpa_s, 0);
5831 }
5832
5833
5834 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5835 {
5836         struct wpa_interface_info *prev;
5837
5838         while (iface) {
5839                 prev = iface;
5840                 iface = iface->next;
5841
5842                 os_free(prev->ifname);
5843                 os_free(prev->desc);
5844                 os_free(prev);
5845         }
5846 }
5847
5848
5849 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5850                                             char *buf, int len)
5851 {
5852         int i, res;
5853         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5854         char *pos, *end;
5855
5856         for (i = 0; wpa_drivers[i]; i++) {
5857                 struct wpa_driver_ops *drv = wpa_drivers[i];
5858                 if (drv->get_interfaces == NULL)
5859                         continue;
5860                 tmp = drv->get_interfaces(global->drv_priv[i]);
5861                 if (tmp == NULL)
5862                         continue;
5863
5864                 if (last == NULL)
5865                         iface = last = tmp;
5866                 else
5867                         last->next = tmp;
5868                 while (last->next)
5869                         last = last->next;
5870         }
5871
5872         pos = buf;
5873         end = buf + len;
5874         for (tmp = iface; tmp; tmp = tmp->next) {
5875                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5876                                   tmp->drv_name, tmp->ifname,
5877                                   tmp->desc ? tmp->desc : "");
5878                 if (res < 0 || res >= end - pos) {
5879                         *pos = '\0';
5880                         break;
5881                 }
5882                 pos += res;
5883         }
5884
5885         wpa_free_iface_info(iface);
5886
5887         return pos - buf;
5888 }
5889
5890
5891 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5892                                                   char *buf, int len)
5893 {
5894         int res;
5895         char *pos, *end;
5896         struct wpa_supplicant *wpa_s;
5897
5898         wpa_s = global->ifaces;
5899         pos = buf;
5900         end = buf + len;
5901
5902         while (wpa_s) {
5903                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5904                 if (res < 0 || res >= end - pos) {
5905                         *pos = '\0';
5906                         break;
5907                 }
5908                 pos += res;
5909                 wpa_s = wpa_s->next;
5910         }
5911         return pos - buf;
5912 }
5913
5914
5915 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
5916                                             const char *ifname,
5917                                             char *cmd, size_t *resp_len)
5918 {
5919         struct wpa_supplicant *wpa_s;
5920
5921         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
5922                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
5923                         break;
5924         }
5925
5926         if (wpa_s == NULL) {
5927                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
5928                 if (resp)
5929                         *resp_len = os_strlen(resp);
5930                 else
5931                         *resp_len = 1;
5932                 return resp;
5933         }
5934
5935         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
5936 }
5937
5938
5939 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
5940                                                char *buf, size_t *resp_len)
5941 {
5942 #ifdef CONFIG_P2P
5943         static const char * cmd[] = {
5944                 "P2P_FIND",
5945                 "P2P_STOP_FIND",
5946                 "P2P_LISTEN",
5947                 "P2P_GROUP_ADD",
5948                 "P2P_GET_PASSPHRASE",
5949                 "P2P_SERVICE_UPDATE",
5950                 "P2P_SERVICE_FLUSH",
5951                 "P2P_FLUSH",
5952                 "P2P_CANCEL",
5953                 "P2P_PRESENCE_REQ",
5954                 "P2P_EXT_LISTEN",
5955                 NULL
5956         };
5957         static const char * prefix[] = {
5958                 "P2P_FIND ",
5959                 "P2P_CONNECT ",
5960                 "P2P_LISTEN ",
5961                 "P2P_GROUP_REMOVE ",
5962                 "P2P_GROUP_ADD ",
5963                 "P2P_PROV_DISC ",
5964                 "P2P_SERV_DISC_REQ ",
5965                 "P2P_SERV_DISC_CANCEL_REQ ",
5966                 "P2P_SERV_DISC_RESP ",
5967                 "P2P_SERV_DISC_EXTERNAL ",
5968                 "P2P_SERVICE_ADD ",
5969                 "P2P_SERVICE_DEL ",
5970                 "P2P_REJECT ",
5971                 "P2P_INVITE ",
5972                 "P2P_PEER ",
5973                 "P2P_SET ",
5974                 "P2P_UNAUTHORIZE ",
5975                 "P2P_PRESENCE_REQ ",
5976                 "P2P_EXT_LISTEN ",
5977                 "P2P_REMOVE_CLIENT ",
5978                 NULL
5979         };
5980         int found = 0;
5981         int i;
5982
5983         if (global->p2p_init_wpa_s == NULL)
5984                 return NULL;
5985
5986         for (i = 0; !found && cmd[i]; i++) {
5987                 if (os_strcmp(buf, cmd[i]) == 0)
5988                         found = 1;
5989         }
5990
5991         for (i = 0; !found && prefix[i]; i++) {
5992                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
5993                         found = 1;
5994         }
5995
5996         if (found)
5997                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
5998                                                          buf, resp_len);
5999 #endif /* CONFIG_P2P */
6000         return NULL;
6001 }
6002
6003
6004 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
6005                                                char *buf, size_t *resp_len)
6006 {
6007 #ifdef CONFIG_WIFI_DISPLAY
6008         if (global->p2p_init_wpa_s == NULL)
6009                 return NULL;
6010         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
6011             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
6012                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
6013                                                          buf, resp_len);
6014 #endif /* CONFIG_WIFI_DISPLAY */
6015         return NULL;
6016 }
6017
6018
6019 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
6020                                            char *buf, size_t *resp_len)
6021 {
6022         char *ret;
6023
6024         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
6025         if (ret)
6026                 return ret;
6027
6028         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
6029         if (ret)
6030                 return ret;
6031
6032         return NULL;
6033 }
6034
6035
6036 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
6037 {
6038         char *value;
6039
6040         value = os_strchr(cmd, ' ');
6041         if (value == NULL)
6042                 return -1;
6043         *value++ = '\0';
6044
6045         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
6046
6047 #ifdef CONFIG_WIFI_DISPLAY
6048         if (os_strcasecmp(cmd, "wifi_display") == 0) {
6049                 wifi_display_enable(global, !!atoi(value));
6050                 return 0;
6051         }
6052 #endif /* CONFIG_WIFI_DISPLAY */
6053
6054         return -1;
6055 }
6056
6057
6058 #ifndef CONFIG_NO_CONFIG_WRITE
6059 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
6060 {
6061         int ret = 0;
6062         struct wpa_supplicant *wpa_s;
6063
6064         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6065                 if (!wpa_s->conf->update_config) {
6066                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
6067                         continue;
6068                 }
6069
6070                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
6071                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
6072                         ret = 1;
6073                 } else {
6074                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
6075                 }
6076         }
6077
6078         return ret;
6079 }
6080 #endif /* CONFIG_NO_CONFIG_WRITE */
6081
6082
6083 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
6084                                          char *buf, size_t buflen)
6085 {
6086         char *pos, *end;
6087         int ret;
6088         struct wpa_supplicant *wpa_s;
6089
6090         pos = buf;
6091         end = buf + buflen;
6092
6093 #ifdef CONFIG_P2P
6094         if (global->p2p && !global->p2p_disabled) {
6095                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
6096                                   "\n"
6097                                   "p2p_state=%s\n",
6098                                   MAC2STR(global->p2p_dev_addr),
6099                                   p2p_get_state_txt(global->p2p));
6100                 if (ret < 0 || ret >= end - pos)
6101                         return pos - buf;
6102                 pos += ret;
6103         } else if (global->p2p) {
6104                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
6105                 if (ret < 0 || ret >= end - pos)
6106                         return pos - buf;
6107                 pos += ret;
6108         }
6109 #endif /* CONFIG_P2P */
6110
6111 #ifdef CONFIG_WIFI_DISPLAY
6112         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
6113                           !!global->wifi_display);
6114         if (ret < 0 || ret >= end - pos)
6115                 return pos - buf;
6116         pos += ret;
6117 #endif /* CONFIG_WIFI_DISPLAY */
6118
6119         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6120                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
6121                                   "address=" MACSTR "\n",
6122                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
6123                 if (ret < 0 || ret >= end - pos)
6124                         return pos - buf;
6125                 pos += ret;
6126         }
6127
6128         return pos - buf;
6129 }
6130
6131
6132 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
6133                                                 char *buf, size_t *resp_len)
6134 {
6135         char *reply;
6136         const int reply_size = 2048;
6137         int reply_len;
6138         int level = MSG_DEBUG;
6139
6140         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
6141                 char *pos = os_strchr(buf + 7, ' ');
6142                 if (pos) {
6143                         *pos++ = '\0';
6144                         return wpas_global_ctrl_iface_ifname(global,
6145                                                              buf + 7, pos,
6146                                                              resp_len);
6147                 }
6148         }
6149
6150         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
6151         if (reply)
6152                 return reply;
6153
6154         if (os_strcmp(buf, "PING") == 0)
6155                 level = MSG_EXCESSIVE;
6156         wpa_hexdump_ascii(level, "RX global ctrl_iface",
6157                           (const u8 *) buf, os_strlen(buf));
6158
6159         reply = os_malloc(reply_size);
6160         if (reply == NULL) {
6161                 *resp_len = 1;
6162                 return NULL;
6163         }
6164
6165         os_memcpy(reply, "OK\n", 3);
6166         reply_len = 3;
6167
6168         if (os_strcmp(buf, "PING") == 0) {
6169                 os_memcpy(reply, "PONG\n", 5);
6170                 reply_len = 5;
6171         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
6172                 if (wpa_supplicant_global_iface_add(global, buf + 14))
6173                         reply_len = -1;
6174         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
6175                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
6176                         reply_len = -1;
6177         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
6178                 reply_len = wpa_supplicant_global_iface_list(
6179                         global, reply, reply_size);
6180         } else if (os_strcmp(buf, "INTERFACES") == 0) {
6181                 reply_len = wpa_supplicant_global_iface_interfaces(
6182                         global, reply, reply_size);
6183         } else if (os_strcmp(buf, "TERMINATE") == 0) {
6184                 wpa_supplicant_terminate_proc(global);
6185         } else if (os_strcmp(buf, "SUSPEND") == 0) {
6186                 wpas_notify_suspend(global);
6187         } else if (os_strcmp(buf, "RESUME") == 0) {
6188                 wpas_notify_resume(global);
6189         } else if (os_strncmp(buf, "SET ", 4) == 0) {
6190                 if (wpas_global_ctrl_iface_set(global, buf + 4))
6191                         reply_len = -1;
6192 #ifndef CONFIG_NO_CONFIG_WRITE
6193         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
6194                 if (wpas_global_ctrl_iface_save_config(global))
6195                         reply_len = -1;
6196 #endif /* CONFIG_NO_CONFIG_WRITE */
6197         } else if (os_strcmp(buf, "STATUS") == 0) {
6198                 reply_len = wpas_global_ctrl_iface_status(global, reply,
6199                                                           reply_size);
6200         } else {
6201                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
6202                 reply_len = 16;
6203         }
6204
6205         if (reply_len < 0) {
6206                 os_memcpy(reply, "FAIL\n", 5);
6207                 reply_len = 5;
6208         }
6209
6210         *resp_len = reply_len;
6211         return reply;
6212 }