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                         if (!cred->domain)
1573                                 continue;
1574
1575                         for (i = 0; i < cred->num_domain; i++) {
1576                                 ret = os_snprintf(pos, end - pos,
1577                                                   "home_sp=%s\n",
1578                                                   cred->domain[i]);
1579                                 if (ret < 0 || ret >= end - pos)
1580                                         return pos - buf;
1581                                 pos += ret;
1582                         }
1583
1584                         if (wpa_s->current_bss == NULL ||
1585                             wpa_s->current_bss->anqp == NULL)
1586                                 res = -1;
1587                         else
1588                                 res = interworking_home_sp_cred(
1589                                         wpa_s, cred,
1590                                         wpa_s->current_bss->anqp->domain_name);
1591                         if (res > 0)
1592                                 type = "home";
1593                         else if (res == 0)
1594                                 type = "roaming";
1595                         else
1596                                 type = "unknown";
1597
1598                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1599                         if (ret < 0 || ret >= end - pos)
1600                                 return pos - buf;
1601                         pos += ret;
1602
1603                         break;
1604                 }
1605         }
1606 #endif /* CONFIG_HS20 */
1607
1608         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1609             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1610                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1611                                           verbose);
1612                 if (res >= 0)
1613                         pos += res;
1614         }
1615
1616         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1617         if (res >= 0)
1618                 pos += res;
1619
1620         return pos - buf;
1621 }
1622
1623
1624 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1625                                            char *cmd)
1626 {
1627         char *pos;
1628         int id;
1629         struct wpa_ssid *ssid;
1630         u8 bssid[ETH_ALEN];
1631
1632         /* cmd: "<network id> <BSSID>" */
1633         pos = os_strchr(cmd, ' ');
1634         if (pos == NULL)
1635                 return -1;
1636         *pos++ = '\0';
1637         id = atoi(cmd);
1638         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1639         if (hwaddr_aton(pos, bssid)) {
1640                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1641                 return -1;
1642         }
1643
1644         ssid = wpa_config_get_network(wpa_s->conf, id);
1645         if (ssid == NULL) {
1646                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1647                            "to update", id);
1648                 return -1;
1649         }
1650
1651         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1652         ssid->bssid_set = !is_zero_ether_addr(bssid);
1653
1654         return 0;
1655 }
1656
1657
1658 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1659                                                char *cmd, char *buf,
1660                                                size_t buflen)
1661 {
1662         u8 bssid[ETH_ALEN];
1663         struct wpa_blacklist *e;
1664         char *pos, *end;
1665         int ret;
1666
1667         /* cmd: "BLACKLIST [<BSSID>]" */
1668         if (*cmd == '\0') {
1669                 pos = buf;
1670                 end = buf + buflen;
1671                 e = wpa_s->blacklist;
1672                 while (e) {
1673                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1674                                           MAC2STR(e->bssid));
1675                         if (ret < 0 || ret >= end - pos)
1676                                 return pos - buf;
1677                         pos += ret;
1678                         e = e->next;
1679                 }
1680                 return pos - buf;
1681         }
1682
1683         cmd++;
1684         if (os_strncmp(cmd, "clear", 5) == 0) {
1685                 wpa_blacklist_clear(wpa_s);
1686                 os_memcpy(buf, "OK\n", 3);
1687                 return 3;
1688         }
1689
1690         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1691         if (hwaddr_aton(cmd, bssid)) {
1692                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1693                 return -1;
1694         }
1695
1696         /*
1697          * Add the BSSID twice, so its count will be 2, causing it to be
1698          * skipped when processing scan results.
1699          */
1700         ret = wpa_blacklist_add(wpa_s, bssid);
1701         if (ret != 0)
1702                 return -1;
1703         ret = wpa_blacklist_add(wpa_s, bssid);
1704         if (ret != 0)
1705                 return -1;
1706         os_memcpy(buf, "OK\n", 3);
1707         return 3;
1708 }
1709
1710
1711 extern int wpa_debug_level;
1712 extern int wpa_debug_timestamp;
1713
1714 static const char * debug_level_str(int level)
1715 {
1716         switch (level) {
1717         case MSG_EXCESSIVE:
1718                 return "EXCESSIVE";
1719         case MSG_MSGDUMP:
1720                 return "MSGDUMP";
1721         case MSG_DEBUG:
1722                 return "DEBUG";
1723         case MSG_INFO:
1724                 return "INFO";
1725         case MSG_WARNING:
1726                 return "WARNING";
1727         case MSG_ERROR:
1728                 return "ERROR";
1729         default:
1730                 return "?";
1731         }
1732 }
1733
1734
1735 static int str_to_debug_level(const char *s)
1736 {
1737         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1738                 return MSG_EXCESSIVE;
1739         if (os_strcasecmp(s, "MSGDUMP") == 0)
1740                 return MSG_MSGDUMP;
1741         if (os_strcasecmp(s, "DEBUG") == 0)
1742                 return MSG_DEBUG;
1743         if (os_strcasecmp(s, "INFO") == 0)
1744                 return MSG_INFO;
1745         if (os_strcasecmp(s, "WARNING") == 0)
1746                 return MSG_WARNING;
1747         if (os_strcasecmp(s, "ERROR") == 0)
1748                 return MSG_ERROR;
1749         return -1;
1750 }
1751
1752
1753 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1754                                                char *cmd, char *buf,
1755                                                size_t buflen)
1756 {
1757         char *pos, *end, *stamp;
1758         int ret;
1759
1760         if (cmd == NULL) {
1761                 return -1;
1762         }
1763
1764         /* cmd: "LOG_LEVEL [<level>]" */
1765         if (*cmd == '\0') {
1766                 pos = buf;
1767                 end = buf + buflen;
1768                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1769                                   "Timestamp: %d\n",
1770                                   debug_level_str(wpa_debug_level),
1771                                   wpa_debug_timestamp);
1772                 if (ret < 0 || ret >= end - pos)
1773                         ret = 0;
1774
1775                 return ret;
1776         }
1777
1778         while (*cmd == ' ')
1779                 cmd++;
1780
1781         stamp = os_strchr(cmd, ' ');
1782         if (stamp) {
1783                 *stamp++ = '\0';
1784                 while (*stamp == ' ') {
1785                         stamp++;
1786                 }
1787         }
1788
1789         if (cmd && os_strlen(cmd)) {
1790                 int level = str_to_debug_level(cmd);
1791                 if (level < 0)
1792                         return -1;
1793                 wpa_debug_level = level;
1794         }
1795
1796         if (stamp && os_strlen(stamp))
1797                 wpa_debug_timestamp = atoi(stamp);
1798
1799         os_memcpy(buf, "OK\n", 3);
1800         return 3;
1801 }
1802
1803
1804 static int wpa_supplicant_ctrl_iface_list_networks(
1805         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1806 {
1807         char *pos, *end;
1808         struct wpa_ssid *ssid;
1809         int ret;
1810
1811         pos = buf;
1812         end = buf + buflen;
1813         ret = os_snprintf(pos, end - pos,
1814                           "network id / ssid / bssid / flags\n");
1815         if (ret < 0 || ret >= end - pos)
1816                 return pos - buf;
1817         pos += ret;
1818
1819         ssid = wpa_s->conf->ssid;
1820         while (ssid) {
1821                 ret = os_snprintf(pos, end - pos, "%d\t%s",
1822                                   ssid->id,
1823                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1824                 if (ret < 0 || ret >= end - pos)
1825                         return pos - buf;
1826                 pos += ret;
1827                 if (ssid->bssid_set) {
1828                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1829                                           MAC2STR(ssid->bssid));
1830                 } else {
1831                         ret = os_snprintf(pos, end - pos, "\tany");
1832                 }
1833                 if (ret < 0 || ret >= end - pos)
1834                         return pos - buf;
1835                 pos += ret;
1836                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
1837                                   ssid == wpa_s->current_ssid ?
1838                                   "[CURRENT]" : "",
1839                                   ssid->disabled ? "[DISABLED]" : "",
1840                                   ssid->disabled_until.sec ?
1841                                   "[TEMP-DISABLED]" : "",
1842                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1843                                   "");
1844                 if (ret < 0 || ret >= end - pos)
1845                         return pos - buf;
1846                 pos += ret;
1847                 ret = os_snprintf(pos, end - pos, "\n");
1848                 if (ret < 0 || ret >= end - pos)
1849                         return pos - buf;
1850                 pos += ret;
1851
1852                 ssid = ssid->next;
1853         }
1854
1855         return pos - buf;
1856 }
1857
1858
1859 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1860 {
1861         int ret;
1862         ret = os_snprintf(pos, end - pos, "-");
1863         if (ret < 0 || ret >= end - pos)
1864                 return pos;
1865         pos += ret;
1866         ret = wpa_write_ciphers(pos, end, cipher, "+");
1867         if (ret < 0)
1868                 return pos;
1869         pos += ret;
1870         return pos;
1871 }
1872
1873
1874 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1875                                     const u8 *ie, size_t ie_len)
1876 {
1877         struct wpa_ie_data data;
1878         int first, ret;
1879
1880         ret = os_snprintf(pos, end - pos, "[%s-", proto);
1881         if (ret < 0 || ret >= end - pos)
1882                 return pos;
1883         pos += ret;
1884
1885         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1886                 ret = os_snprintf(pos, end - pos, "?]");
1887                 if (ret < 0 || ret >= end - pos)
1888                         return pos;
1889                 pos += ret;
1890                 return pos;
1891         }
1892
1893         first = 1;
1894         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1895                 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1896                 if (ret < 0 || ret >= end - pos)
1897                         return pos;
1898                 pos += ret;
1899                 first = 0;
1900         }
1901         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1902                 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1903                 if (ret < 0 || ret >= end - pos)
1904                         return pos;
1905                 pos += ret;
1906                 first = 0;
1907         }
1908         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1909                 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1910                 if (ret < 0 || ret >= end - pos)
1911                         return pos;
1912                 pos += ret;
1913                 first = 0;
1914         }
1915 #ifdef CONFIG_IEEE80211R
1916         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1917                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1918                                   first ? "" : "+");
1919                 if (ret < 0 || ret >= end - pos)
1920                         return pos;
1921                 pos += ret;
1922                 first = 0;
1923         }
1924         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1925                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1926                                   first ? "" : "+");
1927                 if (ret < 0 || ret >= end - pos)
1928                         return pos;
1929                 pos += ret;
1930                 first = 0;
1931         }
1932 #endif /* CONFIG_IEEE80211R */
1933 #ifdef CONFIG_IEEE80211W
1934         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1935                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1936                                   first ? "" : "+");
1937                 if (ret < 0 || ret >= end - pos)
1938                         return pos;
1939                 pos += ret;
1940                 first = 0;
1941         }
1942         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1943                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1944                                   first ? "" : "+");
1945                 if (ret < 0 || ret >= end - pos)
1946                         return pos;
1947                 pos += ret;
1948                 first = 0;
1949         }
1950 #endif /* CONFIG_IEEE80211W */
1951
1952         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1953
1954         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1955                 ret = os_snprintf(pos, end - pos, "-preauth");
1956                 if (ret < 0 || ret >= end - pos)
1957                         return pos;
1958                 pos += ret;
1959         }
1960
1961         ret = os_snprintf(pos, end - pos, "]");
1962         if (ret < 0 || ret >= end - pos)
1963                 return pos;
1964         pos += ret;
1965
1966         return pos;
1967 }
1968
1969
1970 #ifdef CONFIG_WPS
1971 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
1972                                             char *pos, char *end,
1973                                             struct wpabuf *wps_ie)
1974 {
1975         int ret;
1976         const char *txt;
1977
1978         if (wps_ie == NULL)
1979                 return pos;
1980         if (wps_is_selected_pbc_registrar(wps_ie))
1981                 txt = "[WPS-PBC]";
1982 #ifdef CONFIG_WPS2
1983         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
1984                 txt = "[WPS-AUTH]";
1985 #endif /* CONFIG_WPS2 */
1986         else if (wps_is_selected_pin_registrar(wps_ie))
1987                 txt = "[WPS-PIN]";
1988         else
1989                 txt = "[WPS]";
1990
1991         ret = os_snprintf(pos, end - pos, "%s", txt);
1992         if (ret >= 0 && ret < end - pos)
1993                 pos += ret;
1994         wpabuf_free(wps_ie);
1995         return pos;
1996 }
1997 #endif /* CONFIG_WPS */
1998
1999
2000 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2001                                         char *pos, char *end,
2002                                         const struct wpa_bss *bss)
2003 {
2004 #ifdef CONFIG_WPS
2005         struct wpabuf *wps_ie;
2006         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2007         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2008 #else /* CONFIG_WPS */
2009         return pos;
2010 #endif /* CONFIG_WPS */
2011 }
2012
2013
2014 /* Format one result on one text line into a buffer. */
2015 static int wpa_supplicant_ctrl_iface_scan_result(
2016         struct wpa_supplicant *wpa_s,
2017         const struct wpa_bss *bss, char *buf, size_t buflen)
2018 {
2019         char *pos, *end;
2020         int ret;
2021         const u8 *ie, *ie2, *p2p;
2022
2023         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2024         if (!p2p)
2025                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2026         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2027             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2028             0)
2029                 return 0; /* Do not show P2P listen discovery results here */
2030
2031         pos = buf;
2032         end = buf + buflen;
2033
2034         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2035                           MAC2STR(bss->bssid), bss->freq, bss->level);
2036         if (ret < 0 || ret >= end - pos)
2037                 return -1;
2038         pos += ret;
2039         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2040         if (ie)
2041                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2042         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2043         if (ie2)
2044                 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
2045         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2046         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2047                 ret = os_snprintf(pos, end - pos, "[WEP]");
2048                 if (ret < 0 || ret >= end - pos)
2049                         return -1;
2050                 pos += ret;
2051         }
2052         if (bss->caps & IEEE80211_CAP_IBSS) {
2053                 ret = os_snprintf(pos, end - pos, "[IBSS]");
2054                 if (ret < 0 || ret >= end - pos)
2055                         return -1;
2056                 pos += ret;
2057         }
2058         if (bss->caps & IEEE80211_CAP_ESS) {
2059                 ret = os_snprintf(pos, end - pos, "[ESS]");
2060                 if (ret < 0 || ret >= end - pos)
2061                         return -1;
2062                 pos += ret;
2063         }
2064         if (p2p) {
2065                 ret = os_snprintf(pos, end - pos, "[P2P]");
2066                 if (ret < 0 || ret >= end - pos)
2067                         return -1;
2068                 pos += ret;
2069         }
2070 #ifdef CONFIG_HS20
2071         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2072                 ret = os_snprintf(pos, end - pos, "[HS20]");
2073                 if (ret < 0 || ret >= end - pos)
2074                         return -1;
2075                 pos += ret;
2076         }
2077 #endif /* CONFIG_HS20 */
2078
2079         ret = os_snprintf(pos, end - pos, "\t%s",
2080                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2081         if (ret < 0 || ret >= end - pos)
2082                 return -1;
2083         pos += ret;
2084
2085         ret = os_snprintf(pos, end - pos, "\n");
2086         if (ret < 0 || ret >= end - pos)
2087                 return -1;
2088         pos += ret;
2089
2090         return pos - buf;
2091 }
2092
2093
2094 static int wpa_supplicant_ctrl_iface_scan_results(
2095         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2096 {
2097         char *pos, *end;
2098         struct wpa_bss *bss;
2099         int ret;
2100
2101         pos = buf;
2102         end = buf + buflen;
2103         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2104                           "flags / ssid\n");
2105         if (ret < 0 || ret >= end - pos)
2106                 return pos - buf;
2107         pos += ret;
2108
2109         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2110                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2111                                                             end - pos);
2112                 if (ret < 0 || ret >= end - pos)
2113                         return pos - buf;
2114                 pos += ret;
2115         }
2116
2117         return pos - buf;
2118 }
2119
2120
2121 static int wpa_supplicant_ctrl_iface_select_network(
2122         struct wpa_supplicant *wpa_s, char *cmd)
2123 {
2124         int id;
2125         struct wpa_ssid *ssid;
2126
2127         /* cmd: "<network id>" or "any" */
2128         if (os_strcmp(cmd, "any") == 0) {
2129                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2130                 ssid = NULL;
2131         } else {
2132                 id = atoi(cmd);
2133                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2134
2135                 ssid = wpa_config_get_network(wpa_s->conf, id);
2136                 if (ssid == NULL) {
2137                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2138                                    "network id=%d", id);
2139                         return -1;
2140                 }
2141                 if (ssid->disabled == 2) {
2142                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2143                                    "SELECT_NETWORK with persistent P2P group");
2144                         return -1;
2145                 }
2146         }
2147
2148         wpa_supplicant_select_network(wpa_s, ssid);
2149
2150         return 0;
2151 }
2152
2153
2154 static int wpa_supplicant_ctrl_iface_enable_network(
2155         struct wpa_supplicant *wpa_s, char *cmd)
2156 {
2157         int id;
2158         struct wpa_ssid *ssid;
2159
2160         /* cmd: "<network id>" or "all" */
2161         if (os_strcmp(cmd, "all") == 0) {
2162                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2163                 ssid = NULL;
2164         } else {
2165                 id = atoi(cmd);
2166                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2167
2168                 ssid = wpa_config_get_network(wpa_s->conf, id);
2169                 if (ssid == NULL) {
2170                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2171                                    "network id=%d", id);
2172                         return -1;
2173                 }
2174                 if (ssid->disabled == 2) {
2175                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2176                                    "ENABLE_NETWORK with persistent P2P group");
2177                         return -1;
2178                 }
2179
2180                 if (os_strstr(cmd, " no-connect")) {
2181                         ssid->disabled = 0;
2182                         return 0;
2183                 }
2184         }
2185         wpa_supplicant_enable_network(wpa_s, ssid);
2186
2187         return 0;
2188 }
2189
2190
2191 static int wpa_supplicant_ctrl_iface_disable_network(
2192         struct wpa_supplicant *wpa_s, char *cmd)
2193 {
2194         int id;
2195         struct wpa_ssid *ssid;
2196
2197         /* cmd: "<network id>" or "all" */
2198         if (os_strcmp(cmd, "all") == 0) {
2199                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2200                 ssid = NULL;
2201         } else {
2202                 id = atoi(cmd);
2203                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2204
2205                 ssid = wpa_config_get_network(wpa_s->conf, id);
2206                 if (ssid == NULL) {
2207                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2208                                    "network id=%d", id);
2209                         return -1;
2210                 }
2211                 if (ssid->disabled == 2) {
2212                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2213                                    "DISABLE_NETWORK with persistent P2P "
2214                                    "group");
2215                         return -1;
2216                 }
2217         }
2218         wpa_supplicant_disable_network(wpa_s, ssid);
2219
2220         return 0;
2221 }
2222
2223
2224 static int wpa_supplicant_ctrl_iface_add_network(
2225         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2226 {
2227         struct wpa_ssid *ssid;
2228         int ret;
2229
2230         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2231
2232         ssid = wpa_config_add_network(wpa_s->conf);
2233         if (ssid == NULL)
2234                 return -1;
2235
2236         wpas_notify_network_added(wpa_s, ssid);
2237
2238         ssid->disabled = 1;
2239         wpa_config_set_network_defaults(ssid);
2240
2241         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2242         if (ret < 0 || (size_t) ret >= buflen)
2243                 return -1;
2244         return ret;
2245 }
2246
2247
2248 static int wpa_supplicant_ctrl_iface_remove_network(
2249         struct wpa_supplicant *wpa_s, char *cmd)
2250 {
2251         int id;
2252         struct wpa_ssid *ssid;
2253         int was_disabled;
2254
2255         /* cmd: "<network id>" or "all" */
2256         if (os_strcmp(cmd, "all") == 0) {
2257                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2258                 if (wpa_s->sched_scanning)
2259                         wpa_supplicant_cancel_sched_scan(wpa_s);
2260
2261                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2262                 if (wpa_s->current_ssid) {
2263 #ifdef CONFIG_SME
2264                         wpa_s->sme.prev_bssid_set = 0;
2265 #endif /* CONFIG_SME */
2266                         wpa_sm_set_config(wpa_s->wpa, NULL);
2267                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2268                         wpa_supplicant_deauthenticate(
2269                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2270                 }
2271                 ssid = wpa_s->conf->ssid;
2272                 while (ssid) {
2273                         struct wpa_ssid *remove_ssid = ssid;
2274                         id = ssid->id;
2275                         ssid = ssid->next;
2276                         wpas_notify_network_removed(wpa_s, remove_ssid);
2277                         wpa_config_remove_network(wpa_s->conf, id);
2278                 }
2279                 return 0;
2280         }
2281
2282         id = atoi(cmd);
2283         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2284
2285         ssid = wpa_config_get_network(wpa_s->conf, id);
2286         if (ssid)
2287                 wpas_notify_network_removed(wpa_s, ssid);
2288         if (ssid == NULL) {
2289                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2290                            "id=%d", id);
2291                 return -1;
2292         }
2293
2294         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2295 #ifdef CONFIG_SME
2296                 wpa_s->sme.prev_bssid_set = 0;
2297 #endif /* CONFIG_SME */
2298                 /*
2299                  * Invalidate the EAP session cache if the current or
2300                  * previously used network is removed.
2301                  */
2302                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2303         }
2304
2305         if (ssid == wpa_s->current_ssid) {
2306                 wpa_sm_set_config(wpa_s->wpa, NULL);
2307                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2308
2309                 wpa_supplicant_deauthenticate(wpa_s,
2310                                               WLAN_REASON_DEAUTH_LEAVING);
2311         }
2312
2313         was_disabled = ssid->disabled;
2314
2315         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2316                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2317                            "network id=%d", id);
2318                 return -1;
2319         }
2320
2321         if (!was_disabled && wpa_s->sched_scanning) {
2322                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2323                            "network from filters");
2324                 wpa_supplicant_cancel_sched_scan(wpa_s);
2325                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2326         }
2327
2328         return 0;
2329 }
2330
2331
2332 static int wpa_supplicant_ctrl_iface_set_network(
2333         struct wpa_supplicant *wpa_s, char *cmd)
2334 {
2335         int id;
2336         struct wpa_ssid *ssid;
2337         char *name, *value;
2338
2339         /* cmd: "<network id> <variable name> <value>" */
2340         name = os_strchr(cmd, ' ');
2341         if (name == NULL)
2342                 return -1;
2343         *name++ = '\0';
2344
2345         value = os_strchr(name, ' ');
2346         if (value == NULL)
2347                 return -1;
2348         *value++ = '\0';
2349
2350         id = atoi(cmd);
2351         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2352                    id, name);
2353         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2354                               (u8 *) value, os_strlen(value));
2355
2356         ssid = wpa_config_get_network(wpa_s->conf, id);
2357         if (ssid == NULL) {
2358                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2359                            "id=%d", id);
2360                 return -1;
2361         }
2362
2363         if (wpa_config_set(ssid, name, value, 0) < 0) {
2364                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2365                            "variable '%s'", name);
2366                 return -1;
2367         }
2368
2369         if (os_strcmp(name, "bssid") != 0 &&
2370             os_strcmp(name, "priority") != 0)
2371                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2372
2373         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2374                 /*
2375                  * Invalidate the EAP session cache if anything in the current
2376                  * or previously used configuration changes.
2377                  */
2378                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2379         }
2380
2381         if ((os_strcmp(name, "psk") == 0 &&
2382              value[0] == '"' && ssid->ssid_len) ||
2383             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2384                 wpa_config_update_psk(ssid);
2385         else if (os_strcmp(name, "priority") == 0)
2386                 wpa_config_update_prio_list(wpa_s->conf);
2387
2388         return 0;
2389 }
2390
2391
2392 static int wpa_supplicant_ctrl_iface_get_network(
2393         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2394 {
2395         int id;
2396         size_t res;
2397         struct wpa_ssid *ssid;
2398         char *name, *value;
2399
2400         /* cmd: "<network id> <variable name>" */
2401         name = os_strchr(cmd, ' ');
2402         if (name == NULL || buflen == 0)
2403                 return -1;
2404         *name++ = '\0';
2405
2406         id = atoi(cmd);
2407         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2408                    id, name);
2409
2410         ssid = wpa_config_get_network(wpa_s->conf, id);
2411         if (ssid == NULL) {
2412                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2413                            "id=%d", id);
2414                 return -1;
2415         }
2416
2417         value = wpa_config_get_no_key(ssid, name);
2418         if (value == NULL) {
2419                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2420                            "variable '%s'", name);
2421                 return -1;
2422         }
2423
2424         res = os_strlcpy(buf, value, buflen);
2425         if (res >= buflen) {
2426                 os_free(value);
2427                 return -1;
2428         }
2429
2430         os_free(value);
2431
2432         return res;
2433 }
2434
2435
2436 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2437                                                 char *buf, size_t buflen)
2438 {
2439         char *pos, *end;
2440         struct wpa_cred *cred;
2441         int ret;
2442
2443         pos = buf;
2444         end = buf + buflen;
2445         ret = os_snprintf(pos, end - pos,
2446                           "cred id / realm / username / domain / imsi\n");
2447         if (ret < 0 || ret >= end - pos)
2448                 return pos - buf;
2449         pos += ret;
2450
2451         cred = wpa_s->conf->cred;
2452         while (cred) {
2453                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2454                                   cred->id, cred->realm ? cred->realm : "",
2455                                   cred->username ? cred->username : "",
2456                                   cred->domain ? cred->domain[0] : "",
2457                                   cred->imsi ? cred->imsi : "");
2458                 if (ret < 0 || ret >= end - pos)
2459                         return pos - buf;
2460                 pos += ret;
2461
2462                 cred = cred->next;
2463         }
2464
2465         return pos - buf;
2466 }
2467
2468
2469 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2470                                               char *buf, size_t buflen)
2471 {
2472         struct wpa_cred *cred;
2473         int ret;
2474
2475         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2476
2477         cred = wpa_config_add_cred(wpa_s->conf);
2478         if (cred == NULL)
2479                 return -1;
2480
2481         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2482         if (ret < 0 || (size_t) ret >= buflen)
2483                 return -1;
2484         return ret;
2485 }
2486
2487
2488 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2489                                  struct wpa_cred *cred)
2490 {
2491         struct wpa_ssid *ssid;
2492         char str[20];
2493
2494         if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2495                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2496                 return -1;
2497         }
2498
2499         /* Remove any network entry created based on the removed credential */
2500         ssid = wpa_s->conf->ssid;
2501         while (ssid) {
2502                 if (ssid->parent_cred == cred) {
2503                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2504                                    "used the removed credential", ssid->id);
2505                         os_snprintf(str, sizeof(str), "%d", ssid->id);
2506                         ssid = ssid->next;
2507                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2508                 } else
2509                         ssid = ssid->next;
2510         }
2511
2512         return 0;
2513 }
2514
2515
2516 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2517                                                  char *cmd)
2518 {
2519         int id;
2520         struct wpa_cred *cred, *prev;
2521
2522         /* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2523         if (os_strcmp(cmd, "all") == 0) {
2524                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2525                 cred = wpa_s->conf->cred;
2526                 while (cred) {
2527                         prev = cred;
2528                         cred = cred->next;
2529                         wpas_ctrl_remove_cred(wpa_s, prev);
2530                 }
2531                 return 0;
2532         }
2533
2534         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2535                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2536                            cmd + 8);
2537                 cred = wpa_s->conf->cred;
2538                 while (cred) {
2539                         prev = cred;
2540                         cred = cred->next;
2541                         if (prev->domain) {
2542                                 size_t i;
2543                                 for (i = 0; i < prev->num_domain; i++) {
2544                                         if (os_strcmp(prev->domain[i], cmd + 8)
2545                                             != 0)
2546                                                 continue;
2547                                         wpas_ctrl_remove_cred(wpa_s, prev);
2548                                         break;
2549                                 }
2550                         }
2551                 }
2552                 return 0;
2553         }
2554
2555         id = atoi(cmd);
2556         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2557
2558         cred = wpa_config_get_cred(wpa_s->conf, id);
2559         return wpas_ctrl_remove_cred(wpa_s, cred);
2560 }
2561
2562
2563 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2564                                               char *cmd)
2565 {
2566         int id;
2567         struct wpa_cred *cred;
2568         char *name, *value;
2569
2570         /* cmd: "<cred id> <variable name> <value>" */
2571         name = os_strchr(cmd, ' ');
2572         if (name == NULL)
2573                 return -1;
2574         *name++ = '\0';
2575
2576         value = os_strchr(name, ' ');
2577         if (value == NULL)
2578                 return -1;
2579         *value++ = '\0';
2580
2581         id = atoi(cmd);
2582         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2583                    id, name);
2584         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2585                               (u8 *) value, os_strlen(value));
2586
2587         cred = wpa_config_get_cred(wpa_s->conf, id);
2588         if (cred == NULL) {
2589                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2590                            id);
2591                 return -1;
2592         }
2593
2594         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2595                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2596                            "variable '%s'", name);
2597                 return -1;
2598         }
2599
2600         return 0;
2601 }
2602
2603
2604 #ifndef CONFIG_NO_CONFIG_WRITE
2605 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2606 {
2607         int ret;
2608
2609         if (!wpa_s->conf->update_config) {
2610                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2611                            "to update configuration (update_config=0)");
2612                 return -1;
2613         }
2614
2615         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2616         if (ret) {
2617                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2618                            "update configuration");
2619         } else {
2620                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2621                            " updated");
2622         }
2623
2624         return ret;
2625 }
2626 #endif /* CONFIG_NO_CONFIG_WRITE */
2627
2628
2629 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2630                                               struct wpa_driver_capa *capa,
2631                                               char *buf, size_t buflen)
2632 {
2633         int ret, first = 1;
2634         char *pos, *end;
2635         size_t len;
2636
2637         pos = buf;
2638         end = pos + buflen;
2639
2640         if (res < 0) {
2641                 if (strict)
2642                         return 0;
2643                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2644                 if (len >= buflen)
2645                         return -1;
2646                 return len;
2647         }
2648
2649         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2650                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2651                 if (ret < 0 || ret >= end - pos)
2652                         return pos - buf;
2653                 pos += ret;
2654                 first = 0;
2655         }
2656
2657         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2658                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2659                 if (ret < 0 || ret >= end - pos)
2660                         return pos - buf;
2661                 pos += ret;
2662                 first = 0;
2663         }
2664
2665         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2666                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2667                 if (ret < 0 || ret >= end - pos)
2668                         return pos - buf;
2669                 pos += ret;
2670                 first = 0;
2671         }
2672
2673         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2674                 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
2675                 if (ret < 0 || ret >= end - pos)
2676                         return pos - buf;
2677                 pos += ret;
2678                 first = 0;
2679         }
2680
2681         return pos - buf;
2682 }
2683
2684
2685 static int ctrl_iface_get_capability_group(int res, char *strict,
2686                                            struct wpa_driver_capa *capa,
2687                                            char *buf, size_t buflen)
2688 {
2689         int ret, first = 1;
2690         char *pos, *end;
2691         size_t len;
2692
2693         pos = buf;
2694         end = pos + buflen;
2695
2696         if (res < 0) {
2697                 if (strict)
2698                         return 0;
2699                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2700                 if (len >= buflen)
2701                         return -1;
2702                 return len;
2703         }
2704
2705         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2706                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2707                 if (ret < 0 || ret >= end - pos)
2708                         return pos - buf;
2709                 pos += ret;
2710                 first = 0;
2711         }
2712
2713         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2714                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2715                 if (ret < 0 || ret >= end - pos)
2716                         return pos - buf;
2717                 pos += ret;
2718                 first = 0;
2719         }
2720
2721         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2722                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2723                 if (ret < 0 || ret >= end - pos)
2724                         return pos - buf;
2725                 pos += ret;
2726                 first = 0;
2727         }
2728
2729         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2730                 ret = os_snprintf(pos, end - pos, "%sWEP104",
2731                                   first ? "" : " ");
2732                 if (ret < 0 || ret >= end - pos)
2733                         return pos - buf;
2734                 pos += ret;
2735                 first = 0;
2736         }
2737
2738         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2739                 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
2740                 if (ret < 0 || ret >= end - pos)
2741                         return pos - buf;
2742                 pos += ret;
2743                 first = 0;
2744         }
2745
2746         return pos - buf;
2747 }
2748
2749
2750 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2751                                               struct wpa_driver_capa *capa,
2752                                               char *buf, size_t buflen)
2753 {
2754         int ret;
2755         char *pos, *end;
2756         size_t len;
2757
2758         pos = buf;
2759         end = pos + buflen;
2760
2761         if (res < 0) {
2762                 if (strict)
2763                         return 0;
2764                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2765                                  "NONE", buflen);
2766                 if (len >= buflen)
2767                         return -1;
2768                 return len;
2769         }
2770
2771         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2772         if (ret < 0 || ret >= end - pos)
2773                 return pos - buf;
2774         pos += ret;
2775
2776         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2777                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2778                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2779                 if (ret < 0 || ret >= end - pos)
2780                         return pos - buf;
2781                 pos += ret;
2782         }
2783
2784         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2785                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2786                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2787                 if (ret < 0 || ret >= end - pos)
2788                         return pos - buf;
2789                 pos += ret;
2790         }
2791
2792         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2793                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2794                 if (ret < 0 || ret >= end - pos)
2795                         return pos - buf;
2796                 pos += ret;
2797         }
2798
2799         return pos - buf;
2800 }
2801
2802
2803 static int ctrl_iface_get_capability_proto(int res, char *strict,
2804                                            struct wpa_driver_capa *capa,
2805                                            char *buf, size_t buflen)
2806 {
2807         int ret, first = 1;
2808         char *pos, *end;
2809         size_t len;
2810
2811         pos = buf;
2812         end = pos + buflen;
2813
2814         if (res < 0) {
2815                 if (strict)
2816                         return 0;
2817                 len = os_strlcpy(buf, "RSN WPA", buflen);
2818                 if (len >= buflen)
2819                         return -1;
2820                 return len;
2821         }
2822
2823         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2824                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2825                 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2826                 if (ret < 0 || ret >= end - pos)
2827                         return pos - buf;
2828                 pos += ret;
2829                 first = 0;
2830         }
2831
2832         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2833                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2834                 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2835                 if (ret < 0 || ret >= end - pos)
2836                         return pos - buf;
2837                 pos += ret;
2838                 first = 0;
2839         }
2840
2841         return pos - buf;
2842 }
2843
2844
2845 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2846                                               struct wpa_driver_capa *capa,
2847                                               char *buf, size_t buflen)
2848 {
2849         int ret, first = 1;
2850         char *pos, *end;
2851         size_t len;
2852
2853         pos = buf;
2854         end = pos + buflen;
2855
2856         if (res < 0) {
2857                 if (strict)
2858                         return 0;
2859                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2860                 if (len >= buflen)
2861                         return -1;
2862                 return len;
2863         }
2864
2865         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2866                 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2867                 if (ret < 0 || ret >= end - pos)
2868                         return pos - buf;
2869                 pos += ret;
2870                 first = 0;
2871         }
2872
2873         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2874                 ret = os_snprintf(pos, end - pos, "%sSHARED",
2875                                   first ? "" : " ");
2876                 if (ret < 0 || ret >= end - pos)
2877                         return pos - buf;
2878                 pos += ret;
2879                 first = 0;
2880         }
2881
2882         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2883                 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2884                 if (ret < 0 || ret >= end - pos)
2885                         return pos - buf;
2886                 pos += ret;
2887                 first = 0;
2888         }
2889
2890         return pos - buf;
2891 }
2892
2893
2894 static int ctrl_iface_get_capability_modes(int res, char *strict,
2895                                            struct wpa_driver_capa *capa,
2896                                            char *buf, size_t buflen)
2897 {
2898         int ret, first = 1;
2899         char *pos, *end;
2900         size_t len;
2901
2902         pos = buf;
2903         end = pos + buflen;
2904
2905         if (res < 0) {
2906                 if (strict)
2907                         return 0;
2908                 len = os_strlcpy(buf, "IBSS AP", buflen);
2909                 if (len >= buflen)
2910                         return -1;
2911                 return len;
2912         }
2913
2914         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
2915                 ret = os_snprintf(pos, end - pos, "%sIBSS", first ? "" : " ");
2916                 if (ret < 0 || ret >= end - pos)
2917                         return pos - buf;
2918                 pos += ret;
2919                 first = 0;
2920         }
2921
2922         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
2923                 ret = os_snprintf(pos, end - pos, "%sAP", first ? "" : " ");
2924                 if (ret < 0 || ret >= end - pos)
2925                         return pos - buf;
2926                 pos += ret;
2927                 first = 0;
2928         }
2929
2930         return pos - buf;
2931 }
2932
2933
2934 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
2935                                               char *buf, size_t buflen)
2936 {
2937         struct hostapd_channel_data *chnl;
2938         int ret, i, j;
2939         char *pos, *end, *hmode;
2940
2941         pos = buf;
2942         end = pos + buflen;
2943
2944         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2945                 switch (wpa_s->hw.modes[j].mode) {
2946                 case HOSTAPD_MODE_IEEE80211B:
2947                         hmode = "B";
2948                         break;
2949                 case HOSTAPD_MODE_IEEE80211G:
2950                         hmode = "G";
2951                         break;
2952                 case HOSTAPD_MODE_IEEE80211A:
2953                         hmode = "A";
2954                         break;
2955                 case HOSTAPD_MODE_IEEE80211AD:
2956                         hmode = "AD";
2957                         break;
2958                 default:
2959                         continue;
2960                 }
2961                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
2962                 if (ret < 0 || ret >= end - pos)
2963                         return pos - buf;
2964                 pos += ret;
2965                 chnl = wpa_s->hw.modes[j].channels;
2966                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2967                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2968                                 continue;
2969                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
2970                         if (ret < 0 || ret >= end - pos)
2971                                 return pos - buf;
2972                         pos += ret;
2973                 }
2974                 ret = os_snprintf(pos, end - pos, "\n");
2975                 if (ret < 0 || ret >= end - pos)
2976                         return pos - buf;
2977                 pos += ret;
2978         }
2979
2980         return pos - buf;
2981 }
2982
2983
2984 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
2985                                           char *buf, size_t buflen)
2986 {
2987         struct hostapd_channel_data *chnl;
2988         int ret, i, j;
2989         char *pos, *end, *hmode;
2990
2991         pos = buf;
2992         end = pos + buflen;
2993
2994         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2995                 switch (wpa_s->hw.modes[j].mode) {
2996                 case HOSTAPD_MODE_IEEE80211B:
2997                         hmode = "B";
2998                         break;
2999                 case HOSTAPD_MODE_IEEE80211G:
3000                         hmode = "G";
3001                         break;
3002                 case HOSTAPD_MODE_IEEE80211A:
3003                         hmode = "A";
3004                         break;
3005                 case HOSTAPD_MODE_IEEE80211AD:
3006                         hmode = "AD";
3007                         break;
3008                 default:
3009                         continue;
3010                 }
3011                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3012                                   hmode);
3013                 if (ret < 0 || ret >= end - pos)
3014                         return pos - buf;
3015                 pos += ret;
3016                 chnl = wpa_s->hw.modes[j].channels;
3017                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3018                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3019                                 continue;
3020                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s\n",
3021                                           chnl[i].chan, chnl[i].freq,
3022                                           chnl[i].flag & HOSTAPD_CHAN_NO_IBSS ?
3023                                           " (NO_IBSS)" : "");
3024                         if (ret < 0 || ret >= end - pos)
3025                                 return pos - buf;
3026                         pos += ret;
3027                 }
3028                 ret = os_snprintf(pos, end - pos, "\n");
3029                 if (ret < 0 || ret >= end - pos)
3030                         return pos - buf;
3031                 pos += ret;
3032         }
3033
3034         return pos - buf;
3035 }
3036
3037
3038 static int wpa_supplicant_ctrl_iface_get_capability(
3039         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3040         size_t buflen)
3041 {
3042         struct wpa_driver_capa capa;
3043         int res;
3044         char *strict;
3045         char field[30];
3046         size_t len;
3047
3048         /* Determine whether or not strict checking was requested */
3049         len = os_strlcpy(field, _field, sizeof(field));
3050         if (len >= sizeof(field))
3051                 return -1;
3052         strict = os_strchr(field, ' ');
3053         if (strict != NULL) {
3054                 *strict++ = '\0';
3055                 if (os_strcmp(strict, "strict") != 0)
3056                         return -1;
3057         }
3058
3059         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3060                 field, strict ? strict : "");
3061
3062         if (os_strcmp(field, "eap") == 0) {
3063                 return eap_get_names(buf, buflen);
3064         }
3065
3066         res = wpa_drv_get_capa(wpa_s, &capa);
3067
3068         if (os_strcmp(field, "pairwise") == 0)
3069                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3070                                                           buf, buflen);
3071
3072         if (os_strcmp(field, "group") == 0)
3073                 return ctrl_iface_get_capability_group(res, strict, &capa,
3074                                                        buf, buflen);
3075
3076         if (os_strcmp(field, "key_mgmt") == 0)
3077                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3078                                                           buf, buflen);
3079
3080         if (os_strcmp(field, "proto") == 0)
3081                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3082                                                        buf, buflen);
3083
3084         if (os_strcmp(field, "auth_alg") == 0)
3085                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
3086                                                           buf, buflen);
3087
3088         if (os_strcmp(field, "modes") == 0)
3089                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3090                                                        buf, buflen);
3091
3092         if (os_strcmp(field, "channels") == 0)
3093                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3094
3095         if (os_strcmp(field, "freq") == 0)
3096                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3097
3098         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3099                    field);
3100
3101         return -1;
3102 }
3103
3104
3105 #ifdef CONFIG_INTERWORKING
3106 static char * anqp_add_hex(char *pos, char *end, const char *title,
3107                            struct wpabuf *data)
3108 {
3109         char *start = pos;
3110         size_t i;
3111         int ret;
3112         const u8 *d;
3113
3114         if (data == NULL)
3115                 return start;
3116
3117         ret = os_snprintf(pos, end - pos, "%s=", title);
3118         if (ret < 0 || ret >= end - pos)
3119                 return start;
3120         pos += ret;
3121
3122         d = wpabuf_head_u8(data);
3123         for (i = 0; i < wpabuf_len(data); i++) {
3124                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3125                 if (ret < 0 || ret >= end - pos)
3126                         return start;
3127                 pos += ret;
3128         }
3129
3130         ret = os_snprintf(pos, end - pos, "\n");
3131         if (ret < 0 || ret >= end - pos)
3132                 return start;
3133         pos += ret;
3134
3135         return pos;
3136 }
3137 #endif /* CONFIG_INTERWORKING */
3138
3139
3140 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3141                           unsigned long mask, char *buf, size_t buflen)
3142 {
3143         size_t i;
3144         int ret;
3145         char *pos, *end;
3146         const u8 *ie, *ie2;
3147
3148         pos = buf;
3149         end = buf + buflen;
3150
3151         if (mask & WPA_BSS_MASK_ID) {
3152                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3153                 if (ret < 0 || ret >= end - pos)
3154                         return 0;
3155                 pos += ret;
3156         }
3157
3158         if (mask & WPA_BSS_MASK_BSSID) {
3159                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3160                                   MAC2STR(bss->bssid));
3161                 if (ret < 0 || ret >= end - pos)
3162                         return 0;
3163                 pos += ret;
3164         }
3165
3166         if (mask & WPA_BSS_MASK_FREQ) {
3167                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3168                 if (ret < 0 || ret >= end - pos)
3169                         return 0;
3170                 pos += ret;
3171         }
3172
3173         if (mask & WPA_BSS_MASK_BEACON_INT) {
3174                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3175                                   bss->beacon_int);
3176                 if (ret < 0 || ret >= end - pos)
3177                         return 0;
3178                 pos += ret;
3179         }
3180
3181         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3182                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3183                                   bss->caps);
3184                 if (ret < 0 || ret >= end - pos)
3185                         return 0;
3186                 pos += ret;
3187         }
3188
3189         if (mask & WPA_BSS_MASK_QUAL) {
3190                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3191                 if (ret < 0 || ret >= end - pos)
3192                         return 0;
3193                 pos += ret;
3194         }
3195
3196         if (mask & WPA_BSS_MASK_NOISE) {
3197                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3198                 if (ret < 0 || ret >= end - pos)
3199                         return 0;
3200                 pos += ret;
3201         }
3202
3203         if (mask & WPA_BSS_MASK_LEVEL) {
3204                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3205                 if (ret < 0 || ret >= end - pos)
3206                         return 0;
3207                 pos += ret;
3208         }
3209
3210         if (mask & WPA_BSS_MASK_TSF) {
3211                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3212                                   (unsigned long long) bss->tsf);
3213                 if (ret < 0 || ret >= end - pos)
3214                         return 0;
3215                 pos += ret;
3216         }
3217
3218         if (mask & WPA_BSS_MASK_AGE) {
3219                 struct os_time now;
3220
3221                 os_get_time(&now);
3222                 ret = os_snprintf(pos, end - pos, "age=%d\n",
3223                                   (int) (now.sec - bss->last_update.sec));
3224                 if (ret < 0 || ret >= end - pos)
3225                         return 0;
3226                 pos += ret;
3227         }
3228
3229         if (mask & WPA_BSS_MASK_IE) {
3230                 ret = os_snprintf(pos, end - pos, "ie=");
3231                 if (ret < 0 || ret >= end - pos)
3232                         return 0;
3233                 pos += ret;
3234
3235                 ie = (const u8 *) (bss + 1);
3236                 for (i = 0; i < bss->ie_len; i++) {
3237                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3238                         if (ret < 0 || ret >= end - pos)
3239                                 return 0;
3240                         pos += ret;
3241                 }
3242
3243                 ret = os_snprintf(pos, end - pos, "\n");
3244                 if (ret < 0 || ret >= end - pos)
3245                         return 0;
3246                 pos += ret;
3247         }
3248
3249         if (mask & WPA_BSS_MASK_FLAGS) {
3250                 ret = os_snprintf(pos, end - pos, "flags=");
3251                 if (ret < 0 || ret >= end - pos)
3252                         return 0;
3253                 pos += ret;
3254
3255                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3256                 if (ie)
3257                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3258                                                     2 + ie[1]);
3259                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3260                 if (ie2)
3261                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3262                                                     2 + ie2[1]);
3263                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3264                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3265                         ret = os_snprintf(pos, end - pos, "[WEP]");
3266                         if (ret < 0 || ret >= end - pos)
3267                                 return 0;
3268                         pos += ret;
3269                 }
3270                 if (bss->caps & IEEE80211_CAP_IBSS) {
3271                         ret = os_snprintf(pos, end - pos, "[IBSS]");
3272                         if (ret < 0 || ret >= end - pos)
3273                                 return 0;
3274                         pos += ret;
3275                 }
3276                 if (bss->caps & IEEE80211_CAP_ESS) {
3277                         ret = os_snprintf(pos, end - pos, "[ESS]");
3278                         if (ret < 0 || ret >= end - pos)
3279                                 return 0;
3280                         pos += ret;
3281                 }
3282                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
3283                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
3284                         ret = os_snprintf(pos, end - pos, "[P2P]");
3285                         if (ret < 0 || ret >= end - pos)
3286                                 return 0;
3287                         pos += ret;
3288                 }
3289 #ifdef CONFIG_HS20
3290                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3291                         ret = os_snprintf(pos, end - pos, "[HS20]");
3292                         if (ret < 0 || ret >= end - pos)
3293                                 return 0;
3294                         pos += ret;
3295                 }
3296 #endif /* CONFIG_HS20 */
3297
3298                 ret = os_snprintf(pos, end - pos, "\n");
3299                 if (ret < 0 || ret >= end - pos)
3300                         return 0;
3301                 pos += ret;
3302         }
3303
3304         if (mask & WPA_BSS_MASK_SSID) {
3305                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3306                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3307                 if (ret < 0 || ret >= end - pos)
3308                         return 0;
3309                 pos += ret;
3310         }
3311
3312 #ifdef CONFIG_WPS
3313         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3314                 ie = (const u8 *) (bss + 1);
3315                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3316                 if (ret < 0 || ret >= end - pos)
3317                         return 0;
3318                 pos += ret;
3319         }
3320 #endif /* CONFIG_WPS */
3321
3322 #ifdef CONFIG_P2P
3323         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3324                 ie = (const u8 *) (bss + 1);
3325                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3326                 if (ret < 0 || ret >= end - pos)
3327                         return 0;
3328                 pos += ret;
3329         }
3330 #endif /* CONFIG_P2P */
3331
3332 #ifdef CONFIG_WIFI_DISPLAY
3333         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3334                 struct wpabuf *wfd;
3335                 ie = (const u8 *) (bss + 1);
3336                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3337                                                   WFD_IE_VENDOR_TYPE);
3338                 if (wfd) {
3339                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3340                         if (ret < 0 || ret >= end - pos)
3341                                 return 0;
3342                         pos += ret;
3343
3344                         pos += wpa_snprintf_hex(pos, end - pos,
3345                                                 wpabuf_head(wfd),
3346                                                 wpabuf_len(wfd));
3347                         wpabuf_free(wfd);
3348
3349                         ret = os_snprintf(pos, end - pos, "\n");
3350                         if (ret < 0 || ret >= end - pos)
3351                                 return 0;
3352                         pos += ret;
3353                 }
3354         }
3355 #endif /* CONFIG_WIFI_DISPLAY */
3356
3357 #ifdef CONFIG_INTERWORKING
3358         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3359                 struct wpa_bss_anqp *anqp = bss->anqp;
3360                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3361                                    anqp->venue_name);
3362                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3363                                    anqp->network_auth_type);
3364                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3365                                    anqp->roaming_consortium);
3366                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3367                                    anqp->ip_addr_type_availability);
3368                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3369                                    anqp->nai_realm);
3370                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3371                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3372                                    anqp->domain_name);
3373 #ifdef CONFIG_HS20
3374                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3375                                    anqp->hs20_operator_friendly_name);
3376                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3377                                    anqp->hs20_wan_metrics);
3378                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3379                                    anqp->hs20_connection_capability);
3380 #endif /* CONFIG_HS20 */
3381         }
3382 #endif /* CONFIG_INTERWORKING */
3383
3384         if (mask & WPA_BSS_MASK_DELIM) {
3385                 ret = os_snprintf(pos, end - pos, "====\n");
3386                 if (ret < 0 || ret >= end - pos)
3387                         return 0;
3388                 pos += ret;
3389         }
3390
3391         return pos - buf;
3392 }
3393
3394
3395 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3396                                          const char *cmd, char *buf,
3397                                          size_t buflen)
3398 {
3399         u8 bssid[ETH_ALEN];
3400         size_t i;
3401         struct wpa_bss *bss;
3402         struct wpa_bss *bsslast = NULL;
3403         struct dl_list *next;
3404         int ret = 0;
3405         int len;
3406         char *ctmp;
3407         unsigned long mask = WPA_BSS_MASK_ALL;
3408
3409         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3410                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3411                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3412                                             list_id);
3413                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3414                                                list_id);
3415                 } else { /* N1-N2 */
3416                         unsigned int id1, id2;
3417
3418                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3419                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3420                                            "format");
3421                                 return 0;
3422                         }
3423
3424                         if (*(cmd + 6) == '-')
3425                                 id1 = 0;
3426                         else
3427                                 id1 = atoi(cmd + 6);
3428                         ctmp++;
3429                         if (*ctmp >= '0' && *ctmp <= '9')
3430                                 id2 = atoi(ctmp);
3431                         else
3432                                 id2 = (unsigned int) -1;
3433                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3434                         if (id2 == (unsigned int) -1)
3435                                 bsslast = dl_list_last(&wpa_s->bss_id,
3436                                                        struct wpa_bss,
3437                                                        list_id);
3438                         else {
3439                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3440                                 if (bsslast == NULL && bss && id2 > id1) {
3441                                         struct wpa_bss *tmp = bss;
3442                                         for (;;) {
3443                                                 next = tmp->list_id.next;
3444                                                 if (next == &wpa_s->bss_id)
3445                                                         break;
3446                                                 tmp = dl_list_entry(
3447                                                         next, struct wpa_bss,
3448                                                         list_id);
3449                                                 if (tmp->id > id2)
3450                                                         break;
3451                                                 bsslast = tmp;
3452                                         }
3453                                 }
3454                         }
3455                 }
3456         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3457                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3458         else if (os_strncmp(cmd, "LAST", 4) == 0)
3459                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3460         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3461                 i = atoi(cmd + 3);
3462                 bss = wpa_bss_get_id(wpa_s, i);
3463         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3464                 i = atoi(cmd + 5);
3465                 bss = wpa_bss_get_id(wpa_s, i);
3466                 if (bss) {
3467                         next = bss->list_id.next;
3468                         if (next == &wpa_s->bss_id)
3469                                 bss = NULL;
3470                         else
3471                                 bss = dl_list_entry(next, struct wpa_bss,
3472                                                     list_id);
3473                 }
3474 #ifdef CONFIG_P2P
3475         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3476                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3477                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3478                 else
3479                         bss = NULL;
3480 #endif /* CONFIG_P2P */
3481         } else if (hwaddr_aton(cmd, bssid) == 0)
3482                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3483         else {
3484                 struct wpa_bss *tmp;
3485                 i = atoi(cmd);
3486                 bss = NULL;
3487                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3488                 {
3489                         if (i-- == 0) {
3490                                 bss = tmp;
3491                                 break;
3492                         }
3493                 }
3494         }
3495
3496         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3497                 mask = strtoul(ctmp + 5, NULL, 0x10);
3498                 if (mask == 0)
3499                         mask = WPA_BSS_MASK_ALL;
3500         }
3501
3502         if (bss == NULL)
3503                 return 0;
3504
3505         if (bsslast == NULL)
3506                 bsslast = bss;
3507         do {
3508                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3509                 ret += len;
3510                 buf += len;
3511                 buflen -= len;
3512                 if (bss == bsslast) {
3513                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
3514                             (bss == dl_list_last(&wpa_s->bss_id,
3515                                                  struct wpa_bss, list_id)))
3516                                 os_snprintf(buf - 5, 5, "####\n");
3517                         break;
3518                 }
3519                 next = bss->list_id.next;
3520                 if (next == &wpa_s->bss_id)
3521                         break;
3522                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3523         } while (bss && len);
3524
3525         return ret;
3526 }
3527
3528
3529 static int wpa_supplicant_ctrl_iface_ap_scan(
3530         struct wpa_supplicant *wpa_s, char *cmd)
3531 {
3532         int ap_scan = atoi(cmd);
3533         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3534 }
3535
3536
3537 static int wpa_supplicant_ctrl_iface_scan_interval(
3538         struct wpa_supplicant *wpa_s, char *cmd)
3539 {
3540         int scan_int = atoi(cmd);
3541         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3542 }
3543
3544
3545 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3546         struct wpa_supplicant *wpa_s, char *cmd)
3547 {
3548         int expire_age = atoi(cmd);
3549         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3550 }
3551
3552
3553 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3554         struct wpa_supplicant *wpa_s, char *cmd)
3555 {
3556         int expire_count = atoi(cmd);
3557         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3558 }
3559
3560
3561 static int wpa_supplicant_ctrl_iface_bss_flush(
3562         struct wpa_supplicant *wpa_s, char *cmd)
3563 {
3564         int flush_age = atoi(cmd);
3565
3566         if (flush_age == 0)
3567                 wpa_bss_flush(wpa_s);
3568         else
3569                 wpa_bss_flush_by_age(wpa_s, flush_age);
3570         return 0;
3571 }
3572
3573
3574 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3575 {
3576         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3577         /* MLME-DELETEKEYS.request */
3578         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3579         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3580         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3581         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3582 #ifdef CONFIG_IEEE80211W
3583         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3584         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3585 #endif /* CONFIG_IEEE80211W */
3586
3587         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3588                         0);
3589         /* MLME-SETPROTECTION.request(None) */
3590         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3591                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3592                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3593         wpa_sm_drop_sa(wpa_s->wpa);
3594 }
3595
3596
3597 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3598                                           char *addr)
3599 {
3600 #ifdef CONFIG_NO_SCAN_PROCESSING
3601         return -1;
3602 #else /* CONFIG_NO_SCAN_PROCESSING */
3603         u8 bssid[ETH_ALEN];
3604         struct wpa_bss *bss;
3605         struct wpa_ssid *ssid = wpa_s->current_ssid;
3606
3607         if (hwaddr_aton(addr, bssid)) {
3608                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3609                            "address '%s'", addr);
3610                 return -1;
3611         }
3612
3613         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3614
3615         if (!ssid) {
3616                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3617                            "configuration known for the target AP");
3618                 return -1;
3619         }
3620
3621         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
3622         if (!bss) {
3623                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3624                            "from BSS table");
3625                 return -1;
3626         }
3627
3628         /*
3629          * TODO: Find best network configuration block from configuration to
3630          * allow roaming to other networks
3631          */
3632
3633         wpa_s->reassociate = 1;
3634         wpa_supplicant_connect(wpa_s, bss, ssid);
3635
3636         return 0;
3637 #endif /* CONFIG_NO_SCAN_PROCESSING */
3638 }
3639
3640
3641 #ifdef CONFIG_P2P
3642 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3643 {
3644         unsigned int timeout = atoi(cmd);
3645         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3646         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3647         char *pos;
3648         unsigned int search_delay;
3649
3650         if (os_strstr(cmd, "type=social"))
3651                 type = P2P_FIND_ONLY_SOCIAL;
3652         else if (os_strstr(cmd, "type=progressive"))
3653                 type = P2P_FIND_PROGRESSIVE;
3654
3655         pos = os_strstr(cmd, "dev_id=");
3656         if (pos) {
3657                 pos += 7;
3658                 if (hwaddr_aton(pos, dev_id))
3659                         return -1;
3660                 _dev_id = dev_id;
3661         }
3662
3663         pos = os_strstr(cmd, "delay=");
3664         if (pos) {
3665                 pos += 6;
3666                 search_delay = atoi(pos);
3667         } else
3668                 search_delay = wpas_p2p_search_delay(wpa_s);
3669
3670         return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3671                              search_delay);
3672 }
3673
3674
3675 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3676                             char *buf, size_t buflen)
3677 {
3678         u8 addr[ETH_ALEN];
3679         char *pos, *pos2;
3680         char *pin = NULL;
3681         enum p2p_wps_method wps_method;
3682         int new_pin;
3683         int ret;
3684         int persistent_group, persistent_id = -1;
3685         int join;
3686         int auth;
3687         int automatic;
3688         int go_intent = -1;
3689         int freq = 0;
3690         int pd;
3691         int ht40, vht;
3692
3693         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3694          * [persistent|persistent=<network id>]
3695          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3696          * [ht40] [vht] */
3697
3698         if (hwaddr_aton(cmd, addr))
3699                 return -1;
3700
3701         pos = cmd + 17;
3702         if (*pos != ' ')
3703                 return -1;
3704         pos++;
3705
3706         persistent_group = os_strstr(pos, " persistent") != NULL;
3707         pos2 = os_strstr(pos, " persistent=");
3708         if (pos2) {
3709                 struct wpa_ssid *ssid;
3710                 persistent_id = atoi(pos2 + 12);
3711                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3712                 if (ssid == NULL || ssid->disabled != 2 ||
3713                     ssid->mode != WPAS_MODE_P2P_GO) {
3714                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3715                                    "SSID id=%d for persistent P2P group (GO)",
3716                                    persistent_id);
3717                         return -1;
3718                 }
3719         }
3720         join = os_strstr(pos, " join") != NULL;
3721         auth = os_strstr(pos, " auth") != NULL;
3722         automatic = os_strstr(pos, " auto") != NULL;
3723         pd = os_strstr(pos, " provdisc") != NULL;
3724         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
3725         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
3726                 vht;
3727
3728         pos2 = os_strstr(pos, " go_intent=");
3729         if (pos2) {
3730                 pos2 += 11;
3731                 go_intent = atoi(pos2);
3732                 if (go_intent < 0 || go_intent > 15)
3733                         return -1;
3734         }
3735
3736         pos2 = os_strstr(pos, " freq=");
3737         if (pos2) {
3738                 pos2 += 6;
3739                 freq = atoi(pos2);
3740                 if (freq <= 0)
3741                         return -1;
3742         }
3743
3744         if (os_strncmp(pos, "pin", 3) == 0) {
3745                 /* Request random PIN (to be displayed) and enable the PIN */
3746                 wps_method = WPS_PIN_DISPLAY;
3747         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3748                 wps_method = WPS_PBC;
3749         } else {
3750                 pin = pos;
3751                 pos = os_strchr(pin, ' ');
3752                 wps_method = WPS_PIN_KEYPAD;
3753                 if (pos) {
3754                         *pos++ = '\0';
3755                         if (os_strncmp(pos, "display", 7) == 0)
3756                                 wps_method = WPS_PIN_DISPLAY;
3757                 }
3758                 if (!wps_pin_str_valid(pin)) {
3759                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3760                         return 17;
3761                 }
3762         }
3763
3764         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3765                                    persistent_group, automatic, join,
3766                                    auth, go_intent, freq, persistent_id, pd,
3767                                    ht40, vht);
3768         if (new_pin == -2) {
3769                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3770                 return 25;
3771         }
3772         if (new_pin == -3) {
3773                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3774                 return 25;
3775         }
3776         if (new_pin < 0)
3777                 return -1;
3778         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3779                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3780                 if (ret < 0 || (size_t) ret >= buflen)
3781                         return -1;
3782                 return ret;
3783         }
3784
3785         os_memcpy(buf, "OK\n", 3);
3786         return 3;
3787 }
3788
3789
3790 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3791 {
3792         unsigned int timeout = atoi(cmd);
3793         return wpas_p2p_listen(wpa_s, timeout);
3794 }
3795
3796
3797 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3798 {
3799         u8 addr[ETH_ALEN];
3800         char *pos;
3801         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3802
3803         /* <addr> <config method> [join|auto] */
3804
3805         if (hwaddr_aton(cmd, addr))
3806                 return -1;
3807
3808         pos = cmd + 17;
3809         if (*pos != ' ')
3810                 return -1;
3811         pos++;
3812
3813         if (os_strstr(pos, " join") != NULL)
3814                 use = WPAS_P2P_PD_FOR_JOIN;
3815         else if (os_strstr(pos, " auto") != NULL)
3816                 use = WPAS_P2P_PD_AUTO;
3817
3818         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3819 }
3820
3821
3822 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3823                               size_t buflen)
3824 {
3825         struct wpa_ssid *ssid = wpa_s->current_ssid;
3826
3827         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3828             ssid->passphrase == NULL)
3829                 return -1;
3830
3831         os_strlcpy(buf, ssid->passphrase, buflen);
3832         return os_strlen(buf);
3833 }
3834
3835
3836 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3837                                   char *buf, size_t buflen)
3838 {
3839         u64 ref;
3840         int res;
3841         u8 dst_buf[ETH_ALEN], *dst;
3842         struct wpabuf *tlvs;
3843         char *pos;
3844         size_t len;
3845
3846         if (hwaddr_aton(cmd, dst_buf))
3847                 return -1;
3848         dst = dst_buf;
3849         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3850             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3851                 dst = NULL;
3852         pos = cmd + 17;
3853         if (*pos != ' ')
3854                 return -1;
3855         pos++;
3856
3857         if (os_strncmp(pos, "upnp ", 5) == 0) {
3858                 u8 version;
3859                 pos += 5;
3860                 if (hexstr2bin(pos, &version, 1) < 0)
3861                         return -1;
3862                 pos += 2;
3863                 if (*pos != ' ')
3864                         return -1;
3865                 pos++;
3866                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3867 #ifdef CONFIG_WIFI_DISPLAY
3868         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3869                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3870 #endif /* CONFIG_WIFI_DISPLAY */
3871         } else {
3872                 len = os_strlen(pos);
3873                 if (len & 1)
3874                         return -1;
3875                 len /= 2;
3876                 tlvs = wpabuf_alloc(len);
3877                 if (tlvs == NULL)
3878                         return -1;
3879                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3880                         wpabuf_free(tlvs);
3881                         return -1;
3882                 }
3883
3884                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3885                 wpabuf_free(tlvs);
3886         }
3887         if (ref == 0)
3888                 return -1;
3889         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3890         if (res < 0 || (unsigned) res >= buflen)
3891                 return -1;
3892         return res;
3893 }
3894
3895
3896 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3897                                          char *cmd)
3898 {
3899         long long unsigned val;
3900         u64 req;
3901         if (sscanf(cmd, "%llx", &val) != 1)
3902                 return -1;
3903         req = val;
3904         return wpas_p2p_sd_cancel_request(wpa_s, req);
3905 }
3906
3907
3908 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3909 {
3910         int freq;
3911         u8 dst[ETH_ALEN];
3912         u8 dialog_token;
3913         struct wpabuf *resp_tlvs;
3914         char *pos, *pos2;
3915         size_t len;
3916
3917         pos = os_strchr(cmd, ' ');
3918         if (pos == NULL)
3919                 return -1;
3920         *pos++ = '\0';
3921         freq = atoi(cmd);
3922         if (freq == 0)
3923                 return -1;
3924
3925         if (hwaddr_aton(pos, dst))
3926                 return -1;
3927         pos += 17;
3928         if (*pos != ' ')
3929                 return -1;
3930         pos++;
3931
3932         pos2 = os_strchr(pos, ' ');
3933         if (pos2 == NULL)
3934                 return -1;
3935         *pos2++ = '\0';
3936         dialog_token = atoi(pos);
3937
3938         len = os_strlen(pos2);
3939         if (len & 1)
3940                 return -1;
3941         len /= 2;
3942         resp_tlvs = wpabuf_alloc(len);
3943         if (resp_tlvs == NULL)
3944                 return -1;
3945         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3946                 wpabuf_free(resp_tlvs);
3947                 return -1;
3948         }
3949
3950         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3951         wpabuf_free(resp_tlvs);
3952         return 0;
3953 }
3954
3955
3956 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3957                                        char *cmd)
3958 {
3959         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3960                 return -1;
3961         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3962         return 0;
3963 }
3964
3965
3966 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3967                                         char *cmd)
3968 {
3969         char *pos;
3970         size_t len;
3971         struct wpabuf *query, *resp;
3972
3973         pos = os_strchr(cmd, ' ');
3974         if (pos == NULL)
3975                 return -1;
3976         *pos++ = '\0';
3977
3978         len = os_strlen(cmd);
3979         if (len & 1)
3980                 return -1;
3981         len /= 2;
3982         query = wpabuf_alloc(len);
3983         if (query == NULL)
3984                 return -1;
3985         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3986                 wpabuf_free(query);
3987                 return -1;
3988         }
3989
3990         len = os_strlen(pos);
3991         if (len & 1) {
3992                 wpabuf_free(query);
3993                 return -1;
3994         }
3995         len /= 2;
3996         resp = wpabuf_alloc(len);
3997         if (resp == NULL) {
3998                 wpabuf_free(query);
3999                 return -1;
4000         }
4001         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
4002                 wpabuf_free(query);
4003                 wpabuf_free(resp);
4004                 return -1;
4005         }
4006
4007         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
4008                 wpabuf_free(query);
4009                 wpabuf_free(resp);
4010                 return -1;
4011         }
4012         return 0;
4013 }
4014
4015
4016 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4017 {
4018         char *pos;
4019         u8 version;
4020
4021         pos = os_strchr(cmd, ' ');
4022         if (pos == NULL)
4023                 return -1;
4024         *pos++ = '\0';
4025
4026         if (hexstr2bin(cmd, &version, 1) < 0)
4027                 return -1;
4028
4029         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
4030 }
4031
4032
4033 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
4034 {
4035         char *pos;
4036
4037         pos = os_strchr(cmd, ' ');
4038         if (pos == NULL)
4039                 return -1;
4040         *pos++ = '\0';
4041
4042         if (os_strcmp(cmd, "bonjour") == 0)
4043                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
4044         if (os_strcmp(cmd, "upnp") == 0)
4045                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
4046         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4047         return -1;
4048 }
4049
4050
4051 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
4052                                         char *cmd)
4053 {
4054         size_t len;
4055         struct wpabuf *query;
4056         int ret;
4057
4058         len = os_strlen(cmd);
4059         if (len & 1)
4060                 return -1;
4061         len /= 2;
4062         query = wpabuf_alloc(len);
4063         if (query == NULL)
4064                 return -1;
4065         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4066                 wpabuf_free(query);
4067                 return -1;
4068         }
4069
4070         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
4071         wpabuf_free(query);
4072         return ret;
4073 }
4074
4075
4076 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4077 {
4078         char *pos;
4079         u8 version;
4080
4081         pos = os_strchr(cmd, ' ');
4082         if (pos == NULL)
4083                 return -1;
4084         *pos++ = '\0';
4085
4086         if (hexstr2bin(cmd, &version, 1) < 0)
4087                 return -1;
4088
4089         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4090 }
4091
4092
4093 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4094 {
4095         char *pos;
4096
4097         pos = os_strchr(cmd, ' ');
4098         if (pos == NULL)
4099                 return -1;
4100         *pos++ = '\0';
4101
4102         if (os_strcmp(cmd, "bonjour") == 0)
4103                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4104         if (os_strcmp(cmd, "upnp") == 0)
4105                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
4106         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4107         return -1;
4108 }
4109
4110
4111 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4112 {
4113         u8 addr[ETH_ALEN];
4114
4115         /* <addr> */
4116
4117         if (hwaddr_aton(cmd, addr))
4118                 return -1;
4119
4120         return wpas_p2p_reject(wpa_s, addr);
4121 }
4122
4123
4124 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
4125 {
4126         char *pos;
4127         int id;
4128         struct wpa_ssid *ssid;
4129         u8 *_peer = NULL, peer[ETH_ALEN];
4130         int freq = 0, pref_freq = 0;
4131         int ht40, vht;
4132
4133         id = atoi(cmd);
4134         pos = os_strstr(cmd, " peer=");
4135         if (pos) {
4136                 pos += 6;
4137                 if (hwaddr_aton(pos, peer))
4138                         return -1;
4139                 _peer = peer;
4140         }
4141         ssid = wpa_config_get_network(wpa_s->conf, id);
4142         if (ssid == NULL || ssid->disabled != 2) {
4143                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4144                            "for persistent P2P group",
4145                            id);
4146                 return -1;
4147         }
4148
4149         pos = os_strstr(cmd, " freq=");
4150         if (pos) {
4151                 pos += 6;
4152                 freq = atoi(pos);
4153                 if (freq <= 0)
4154                         return -1;
4155         }
4156
4157         pos = os_strstr(cmd, " pref=");
4158         if (pos) {
4159                 pos += 6;
4160                 pref_freq = atoi(pos);
4161                 if (pref_freq <= 0)
4162                         return -1;
4163         }
4164
4165         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4166         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4167                 vht;
4168
4169         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
4170                                pref_freq);
4171 }
4172
4173
4174 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4175 {
4176         char *pos;
4177         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4178
4179         pos = os_strstr(cmd, " peer=");
4180         if (!pos)
4181                 return -1;
4182
4183         *pos = '\0';
4184         pos += 6;
4185         if (hwaddr_aton(pos, peer)) {
4186                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4187                 return -1;
4188         }
4189
4190         pos = os_strstr(pos, " go_dev_addr=");
4191         if (pos) {
4192                 pos += 13;
4193                 if (hwaddr_aton(pos, go_dev_addr)) {
4194                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4195                                    pos);
4196                         return -1;
4197                 }
4198                 go_dev = go_dev_addr;
4199         }
4200
4201         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4202 }
4203
4204
4205 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4206 {
4207         if (os_strncmp(cmd, "persistent=", 11) == 0)
4208                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4209         if (os_strncmp(cmd, "group=", 6) == 0)
4210                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4211
4212         return -1;
4213 }
4214
4215
4216 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4217                                          char *cmd, int freq, int ht40,
4218                                          int vht)
4219 {
4220         int id;
4221         struct wpa_ssid *ssid;
4222
4223         id = atoi(cmd);
4224         ssid = wpa_config_get_network(wpa_s->conf, id);
4225         if (ssid == NULL || ssid->disabled != 2) {
4226                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4227                            "for persistent P2P group",
4228                            id);
4229                 return -1;
4230         }
4231
4232         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40, vht,
4233                                              NULL, 0);
4234 }
4235
4236
4237 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4238 {
4239         int freq = 0, ht40, vht;
4240         char *pos;
4241
4242         pos = os_strstr(cmd, "freq=");
4243         if (pos)
4244                 freq = atoi(pos + 5);
4245
4246         vht = (os_strstr(cmd, "vht") != NULL) || wpa_s->conf->p2p_go_vht;
4247         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4248                 vht;
4249
4250         if (os_strncmp(cmd, "persistent=", 11) == 0)
4251                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4252                                                      ht40, vht);
4253         if (os_strcmp(cmd, "persistent") == 0 ||
4254             os_strncmp(cmd, "persistent ", 11) == 0)
4255                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40, vht);
4256         if (os_strncmp(cmd, "freq=", 5) == 0)
4257                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4258         if (ht40)
4259                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4260
4261         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4262                    cmd);
4263         return -1;
4264 }
4265
4266
4267 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4268                          char *buf, size_t buflen)
4269 {
4270         u8 addr[ETH_ALEN], *addr_ptr;
4271         int next, res;
4272         const struct p2p_peer_info *info;
4273         char *pos, *end;
4274         char devtype[WPS_DEV_TYPE_BUFSIZE];
4275         struct wpa_ssid *ssid;
4276         size_t i;
4277
4278         if (!wpa_s->global->p2p)
4279                 return -1;
4280
4281         if (os_strcmp(cmd, "FIRST") == 0) {
4282                 addr_ptr = NULL;
4283                 next = 0;
4284         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4285                 if (hwaddr_aton(cmd + 5, addr) < 0)
4286                         return -1;
4287                 addr_ptr = addr;
4288                 next = 1;
4289         } else {
4290                 if (hwaddr_aton(cmd, addr) < 0)
4291                         return -1;
4292                 addr_ptr = addr;
4293                 next = 0;
4294         }
4295
4296         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4297         if (info == NULL)
4298                 return -1;
4299
4300         pos = buf;
4301         end = buf + buflen;
4302
4303         res = os_snprintf(pos, end - pos, MACSTR "\n"
4304                           "pri_dev_type=%s\n"
4305                           "device_name=%s\n"
4306                           "manufacturer=%s\n"
4307                           "model_name=%s\n"
4308                           "model_number=%s\n"
4309                           "serial_number=%s\n"
4310                           "config_methods=0x%x\n"
4311                           "dev_capab=0x%x\n"
4312                           "group_capab=0x%x\n"
4313                           "level=%d\n",
4314                           MAC2STR(info->p2p_device_addr),
4315                           wps_dev_type_bin2str(info->pri_dev_type,
4316                                                devtype, sizeof(devtype)),
4317                           info->device_name,
4318                           info->manufacturer,
4319                           info->model_name,
4320                           info->model_number,
4321                           info->serial_number,
4322                           info->config_methods,
4323                           info->dev_capab,
4324                           info->group_capab,
4325                           info->level);
4326         if (res < 0 || res >= end - pos)
4327                 return pos - buf;
4328         pos += res;
4329
4330         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4331         {
4332                 const u8 *t;
4333                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4334                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4335                                   wps_dev_type_bin2str(t, devtype,
4336                                                        sizeof(devtype)));
4337                 if (res < 0 || res >= end - pos)
4338                         return pos - buf;
4339                 pos += res;
4340         }
4341
4342         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4343         if (ssid) {
4344                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4345                 if (res < 0 || res >= end - pos)
4346                         return pos - buf;
4347                 pos += res;
4348         }
4349
4350         res = p2p_get_peer_info_txt(info, pos, end - pos);
4351         if (res < 0)
4352                 return pos - buf;
4353         pos += res;
4354
4355         return pos - buf;
4356 }
4357
4358
4359 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4360                                   const char *param)
4361 {
4362         unsigned int i;
4363
4364         if (wpa_s->global->p2p == NULL)
4365                 return -1;
4366
4367         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
4368                 return -1;
4369
4370         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
4371                 struct wpa_freq_range *freq;
4372                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
4373                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4374                            freq->min, freq->max);
4375         }
4376
4377         wpas_p2p_update_channel_list(wpa_s);
4378         return 0;
4379 }
4380
4381
4382 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4383 {
4384         char *param;
4385
4386         if (wpa_s->global->p2p == NULL)
4387                 return -1;
4388
4389         param = os_strchr(cmd, ' ');
4390         if (param == NULL)
4391                 return -1;
4392         *param++ = '\0';
4393
4394         if (os_strcmp(cmd, "discoverability") == 0) {
4395                 p2p_set_client_discoverability(wpa_s->global->p2p,
4396                                                atoi(param));
4397                 return 0;
4398         }
4399
4400         if (os_strcmp(cmd, "managed") == 0) {
4401                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4402                 return 0;
4403         }
4404
4405         if (os_strcmp(cmd, "listen_channel") == 0) {
4406                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4407                                               atoi(param));
4408         }
4409
4410         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4411                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4412                                             os_strlen(param));
4413         }
4414
4415         if (os_strcmp(cmd, "noa") == 0) {
4416                 char *pos;
4417                 int count, start, duration;
4418                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4419                 count = atoi(param);
4420                 pos = os_strchr(param, ',');
4421                 if (pos == NULL)
4422                         return -1;
4423                 pos++;
4424                 start = atoi(pos);
4425                 pos = os_strchr(pos, ',');
4426                 if (pos == NULL)
4427                         return -1;
4428                 pos++;
4429                 duration = atoi(pos);
4430                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4431                         return -1;
4432                 if (count == 0 && duration > 0)
4433                         return -1;
4434                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4435                            "start=%d duration=%d", count, start, duration);
4436                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4437         }
4438
4439         if (os_strcmp(cmd, "ps") == 0)
4440                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4441
4442         if (os_strcmp(cmd, "oppps") == 0)
4443                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4444
4445         if (os_strcmp(cmd, "ctwindow") == 0)
4446                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4447
4448         if (os_strcmp(cmd, "disabled") == 0) {
4449                 wpa_s->global->p2p_disabled = atoi(param);
4450                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4451                            wpa_s->global->p2p_disabled ?
4452                            "disabled" : "enabled");
4453                 if (wpa_s->global->p2p_disabled) {
4454                         wpas_p2p_stop_find(wpa_s);
4455                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4456                         p2p_flush(wpa_s->global->p2p);
4457                 }
4458                 return 0;
4459         }
4460
4461         if (os_strcmp(cmd, "conc_pref") == 0) {
4462                 if (os_strcmp(param, "sta") == 0)
4463                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4464                 else if (os_strcmp(param, "p2p") == 0)
4465                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4466                 else {
4467                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4468                         return -1;
4469                 }
4470                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4471                            "%s", param);
4472                 return 0;
4473         }
4474
4475         if (os_strcmp(cmd, "force_long_sd") == 0) {
4476                 wpa_s->force_long_sd = atoi(param);
4477                 return 0;
4478         }
4479
4480         if (os_strcmp(cmd, "peer_filter") == 0) {
4481                 u8 addr[ETH_ALEN];
4482                 if (hwaddr_aton(param, addr))
4483                         return -1;
4484                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4485                 return 0;
4486         }
4487
4488         if (os_strcmp(cmd, "cross_connect") == 0)
4489                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4490
4491         if (os_strcmp(cmd, "go_apsd") == 0) {
4492                 if (os_strcmp(param, "disable") == 0)
4493                         wpa_s->set_ap_uapsd = 0;
4494                 else {
4495                         wpa_s->set_ap_uapsd = 1;
4496                         wpa_s->ap_uapsd = atoi(param);
4497                 }
4498                 return 0;
4499         }
4500
4501         if (os_strcmp(cmd, "client_apsd") == 0) {
4502                 if (os_strcmp(param, "disable") == 0)
4503                         wpa_s->set_sta_uapsd = 0;
4504                 else {
4505                         int be, bk, vi, vo;
4506                         char *pos;
4507                         /* format: BE,BK,VI,VO;max SP Length */
4508                         be = atoi(param);
4509                         pos = os_strchr(param, ',');
4510                         if (pos == NULL)
4511                                 return -1;
4512                         pos++;
4513                         bk = atoi(pos);
4514                         pos = os_strchr(pos, ',');
4515                         if (pos == NULL)
4516                                 return -1;
4517                         pos++;
4518                         vi = atoi(pos);
4519                         pos = os_strchr(pos, ',');
4520                         if (pos == NULL)
4521                                 return -1;
4522                         pos++;
4523                         vo = atoi(pos);
4524                         /* ignore max SP Length for now */
4525
4526                         wpa_s->set_sta_uapsd = 1;
4527                         wpa_s->sta_uapsd = 0;
4528                         if (be)
4529                                 wpa_s->sta_uapsd |= BIT(0);
4530                         if (bk)
4531                                 wpa_s->sta_uapsd |= BIT(1);
4532                         if (vi)
4533                                 wpa_s->sta_uapsd |= BIT(2);
4534                         if (vo)
4535                                 wpa_s->sta_uapsd |= BIT(3);
4536                 }
4537                 return 0;
4538         }
4539
4540         if (os_strcmp(cmd, "disallow_freq") == 0)
4541                 return p2p_ctrl_disallow_freq(wpa_s, param);
4542
4543         if (os_strcmp(cmd, "disc_int") == 0) {
4544                 int min_disc_int, max_disc_int, max_disc_tu;
4545                 char *pos;
4546
4547                 pos = param;
4548
4549                 min_disc_int = atoi(pos);
4550                 pos = os_strchr(pos, ' ');
4551                 if (pos == NULL)
4552                         return -1;
4553                 *pos++ = '\0';
4554
4555                 max_disc_int = atoi(pos);
4556                 pos = os_strchr(pos, ' ');
4557                 if (pos == NULL)
4558                         return -1;
4559                 *pos++ = '\0';
4560
4561                 max_disc_tu = atoi(pos);
4562
4563                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4564                                         max_disc_int, max_disc_tu);
4565         }
4566
4567         if (os_strcmp(cmd, "per_sta_psk") == 0) {
4568                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
4569                 return 0;
4570         }
4571
4572         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4573                    cmd);
4574
4575         return -1;
4576 }
4577
4578
4579 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
4580 {
4581         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4582         wpa_s->force_long_sd = 0;
4583         if (wpa_s->global->p2p)
4584                 p2p_flush(wpa_s->global->p2p);
4585 }
4586
4587
4588 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4589 {
4590         char *pos, *pos2;
4591         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4592
4593         if (cmd[0]) {
4594                 pos = os_strchr(cmd, ' ');
4595                 if (pos == NULL)
4596                         return -1;
4597                 *pos++ = '\0';
4598                 dur1 = atoi(cmd);
4599
4600                 pos2 = os_strchr(pos, ' ');
4601                 if (pos2)
4602                         *pos2++ = '\0';
4603                 int1 = atoi(pos);
4604         } else
4605                 pos2 = NULL;
4606
4607         if (pos2) {
4608                 pos = os_strchr(pos2, ' ');
4609                 if (pos == NULL)
4610                         return -1;
4611                 *pos++ = '\0';
4612                 dur2 = atoi(pos2);
4613                 int2 = atoi(pos);
4614         }
4615
4616         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4617 }
4618
4619
4620 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4621 {
4622         char *pos;
4623         unsigned int period = 0, interval = 0;
4624
4625         if (cmd[0]) {
4626                 pos = os_strchr(cmd, ' ');
4627                 if (pos == NULL)
4628                         return -1;
4629                 *pos++ = '\0';
4630                 period = atoi(cmd);
4631                 interval = atoi(pos);
4632         }
4633
4634         return wpas_p2p_ext_listen(wpa_s, period, interval);
4635 }
4636
4637
4638 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
4639 {
4640         const char *pos;
4641         u8 peer[ETH_ALEN];
4642         int iface_addr = 0;
4643
4644         pos = cmd;
4645         if (os_strncmp(pos, "iface=", 6) == 0) {
4646                 iface_addr = 1;
4647                 pos += 6;
4648         }
4649         if (hwaddr_aton(pos, peer))
4650                 return -1;
4651
4652         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
4653         return 0;
4654 }
4655
4656 #endif /* CONFIG_P2P */
4657
4658
4659 #ifdef CONFIG_INTERWORKING
4660 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4661 {
4662         u8 bssid[ETH_ALEN];
4663         struct wpa_bss *bss;
4664
4665         if (hwaddr_aton(dst, bssid)) {
4666                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4667                 return -1;
4668         }
4669
4670         bss = wpa_bss_get_bssid(wpa_s, bssid);
4671         if (bss == NULL) {
4672                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4673                            MAC2STR(bssid));
4674                 return -1;
4675         }
4676
4677         return interworking_connect(wpa_s, bss);
4678 }
4679
4680
4681 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4682 {
4683         u8 dst_addr[ETH_ALEN];
4684         int used;
4685         char *pos;
4686 #define MAX_ANQP_INFO_ID 100
4687         u16 id[MAX_ANQP_INFO_ID];
4688         size_t num_id = 0;
4689
4690         used = hwaddr_aton2(dst, dst_addr);
4691         if (used < 0)
4692                 return -1;
4693         pos = dst + used;
4694         while (num_id < MAX_ANQP_INFO_ID) {
4695                 id[num_id] = atoi(pos);
4696                 if (id[num_id])
4697                         num_id++;
4698                 pos = os_strchr(pos + 1, ',');
4699                 if (pos == NULL)
4700                         break;
4701                 pos++;
4702         }
4703
4704         if (num_id == 0)
4705                 return -1;
4706
4707         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4708 }
4709
4710
4711 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4712 {
4713         u8 dst_addr[ETH_ALEN];
4714         struct wpabuf *advproto, *query = NULL;
4715         int used, ret = -1;
4716         char *pos, *end;
4717         size_t len;
4718
4719         used = hwaddr_aton2(cmd, dst_addr);
4720         if (used < 0)
4721                 return -1;
4722
4723         pos = cmd + used;
4724         while (*pos == ' ')
4725                 pos++;
4726
4727         /* Advertisement Protocol ID */
4728         end = os_strchr(pos, ' ');
4729         if (end)
4730                 len = end - pos;
4731         else
4732                 len = os_strlen(pos);
4733         if (len & 0x01)
4734                 return -1;
4735         len /= 2;
4736         if (len == 0)
4737                 return -1;
4738         advproto = wpabuf_alloc(len);
4739         if (advproto == NULL)
4740                 return -1;
4741         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4742                 goto fail;
4743
4744         if (end) {
4745                 /* Optional Query Request */
4746                 pos = end + 1;
4747                 while (*pos == ' ')
4748                         pos++;
4749
4750                 len = os_strlen(pos);
4751                 if (len) {
4752                         if (len & 0x01)
4753                                 goto fail;
4754                         len /= 2;
4755                         if (len == 0)
4756                                 goto fail;
4757                         query = wpabuf_alloc(len);
4758                         if (query == NULL)
4759                                 goto fail;
4760                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4761                                 goto fail;
4762                 }
4763         }
4764
4765         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4766
4767 fail:
4768         wpabuf_free(advproto);
4769         wpabuf_free(query);
4770
4771         return ret;
4772 }
4773
4774
4775 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4776                             size_t buflen)
4777 {
4778         u8 addr[ETH_ALEN];
4779         int dialog_token;
4780         int used;
4781         char *pos;
4782         size_t resp_len, start, requested_len;
4783
4784         if (!wpa_s->last_gas_resp)
4785                 return -1;
4786
4787         used = hwaddr_aton2(cmd, addr);
4788         if (used < 0)
4789                 return -1;
4790
4791         pos = cmd + used;
4792         while (*pos == ' ')
4793                 pos++;
4794         dialog_token = atoi(pos);
4795
4796         if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4797             dialog_token != wpa_s->last_gas_dialog_token)
4798                 return -1;
4799
4800         resp_len = wpabuf_len(wpa_s->last_gas_resp);
4801         start = 0;
4802         requested_len = resp_len;
4803
4804         pos = os_strchr(pos, ' ');
4805         if (pos) {
4806                 start = atoi(pos);
4807                 if (start > resp_len)
4808                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4809                 pos = os_strchr(pos, ',');
4810                 if (pos == NULL)
4811                         return -1;
4812                 pos++;
4813                 requested_len = atoi(pos);
4814                 if (start + requested_len > resp_len)
4815                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4816         }
4817
4818         if (requested_len * 2 + 1 > buflen)
4819                 return os_snprintf(buf, buflen, "FAIL-Too long response");
4820
4821         return wpa_snprintf_hex(buf, buflen,
4822                                 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4823                                 requested_len);
4824 }
4825 #endif /* CONFIG_INTERWORKING */
4826
4827
4828 #ifdef CONFIG_HS20
4829
4830 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4831 {
4832         u8 dst_addr[ETH_ALEN];
4833         int used;
4834         char *pos;
4835         u32 subtypes = 0;
4836
4837         used = hwaddr_aton2(dst, dst_addr);
4838         if (used < 0)
4839                 return -1;
4840         pos = dst + used;
4841         for (;;) {
4842                 int num = atoi(pos);
4843                 if (num <= 0 || num > 31)
4844                         return -1;
4845                 subtypes |= BIT(num);
4846                 pos = os_strchr(pos + 1, ',');
4847                 if (pos == NULL)
4848                         break;
4849                 pos++;
4850         }
4851
4852         if (subtypes == 0)
4853                 return -1;
4854
4855         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4856 }
4857
4858
4859 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4860                                     const u8 *addr, const char *realm)
4861 {
4862         u8 *buf;
4863         size_t rlen, len;
4864         int ret;
4865
4866         rlen = os_strlen(realm);
4867         len = 3 + rlen;
4868         buf = os_malloc(len);
4869         if (buf == NULL)
4870                 return -1;
4871         buf[0] = 1; /* NAI Home Realm Count */
4872         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4873         buf[2] = rlen;
4874         os_memcpy(buf + 3, realm, rlen);
4875
4876         ret = hs20_anqp_send_req(wpa_s, addr,
4877                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4878                                  buf, len);
4879
4880         os_free(buf);
4881
4882         return ret;
4883 }
4884
4885
4886 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4887                                         char *dst)
4888 {
4889         struct wpa_cred *cred = wpa_s->conf->cred;
4890         u8 dst_addr[ETH_ALEN];
4891         int used;
4892         u8 *buf;
4893         size_t len;
4894         int ret;
4895
4896         used = hwaddr_aton2(dst, dst_addr);
4897         if (used < 0)
4898                 return -1;
4899
4900         while (dst[used] == ' ')
4901                 used++;
4902         if (os_strncmp(dst + used, "realm=", 6) == 0)
4903                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4904                                                 dst + used + 6);
4905
4906         len = os_strlen(dst + used);
4907
4908         if (len == 0 && cred && cred->realm)
4909                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4910
4911         if (len % 1)
4912                 return -1;
4913         len /= 2;
4914         buf = os_malloc(len);
4915         if (buf == NULL)
4916                 return -1;
4917         if (hexstr2bin(dst + used, buf, len) < 0) {
4918                 os_free(buf);
4919                 return -1;
4920         }
4921
4922         ret = hs20_anqp_send_req(wpa_s, dst_addr,
4923                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4924                                  buf, len);
4925         os_free(buf);
4926
4927         return ret;
4928 }
4929
4930 #endif /* CONFIG_HS20 */
4931
4932
4933 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4934         struct wpa_supplicant *wpa_s, char *cmd)
4935 {
4936         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4937         return 0;
4938 }
4939
4940
4941 #ifdef CONFIG_AUTOSCAN
4942
4943 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4944                                               char *cmd)
4945 {
4946         enum wpa_states state = wpa_s->wpa_state;
4947         char *new_params = NULL;
4948
4949         if (os_strlen(cmd) > 0) {
4950                 new_params = os_strdup(cmd);
4951                 if (new_params == NULL)
4952                         return -1;
4953         }
4954
4955         os_free(wpa_s->conf->autoscan);
4956         wpa_s->conf->autoscan = new_params;
4957
4958         if (wpa_s->conf->autoscan == NULL)
4959                 autoscan_deinit(wpa_s);
4960         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4961                 autoscan_init(wpa_s, 1);
4962         else if (state == WPA_SCANNING)
4963                 wpa_supplicant_reinit_autoscan(wpa_s);
4964
4965         return 0;
4966 }
4967
4968 #endif /* CONFIG_AUTOSCAN */
4969
4970
4971 #ifdef CONFIG_WNM
4972
4973 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
4974 {
4975         int enter;
4976         int intval = 0;
4977         char *pos;
4978         int ret;
4979         struct wpabuf *tfs_req = NULL;
4980
4981         if (os_strncmp(cmd, "enter", 5) == 0)
4982                 enter = 1;
4983         else if (os_strncmp(cmd, "exit", 4) == 0)
4984                 enter = 0;
4985         else
4986                 return -1;
4987
4988         pos = os_strstr(cmd, " interval=");
4989         if (pos)
4990                 intval = atoi(pos + 10);
4991
4992         pos = os_strstr(cmd, " tfs_req=");
4993         if (pos) {
4994                 char *end;
4995                 size_t len;
4996                 pos += 9;
4997                 end = os_strchr(pos, ' ');
4998                 if (end)
4999                         len = end - pos;
5000                 else
5001                         len = os_strlen(pos);
5002                 if (len & 1)
5003                         return -1;
5004                 len /= 2;
5005                 tfs_req = wpabuf_alloc(len);
5006                 if (tfs_req == NULL)
5007                         return -1;
5008                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
5009                         wpabuf_free(tfs_req);
5010                         return -1;
5011                 }
5012         }
5013
5014         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
5015                                            WNM_SLEEP_MODE_EXIT, intval,
5016                                            tfs_req);
5017         wpabuf_free(tfs_req);
5018
5019         return ret;
5020 }
5021
5022
5023 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
5024 {
5025         int query_reason;
5026
5027         query_reason = atoi(cmd);
5028
5029         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
5030                    query_reason);
5031
5032         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
5033 }
5034
5035 #endif /* CONFIG_WNM */
5036
5037
5038 /* Get string representation of channel width */
5039 static const char * channel_width_name(enum chan_width width)
5040 {
5041         switch (width) {
5042         case CHAN_WIDTH_20_NOHT:
5043                 return "20 MHz (no HT)";
5044         case CHAN_WIDTH_20:
5045                 return "20 MHz";
5046         case CHAN_WIDTH_40:
5047                 return "40 MHz";
5048         case CHAN_WIDTH_80:
5049                 return "80 MHz";
5050         case CHAN_WIDTH_80P80:
5051                 return "80+80 MHz";
5052         case CHAN_WIDTH_160:
5053                 return "160 MHz";
5054         default:
5055                 return "unknown";
5056         }
5057 }
5058
5059
5060 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
5061                                       size_t buflen)
5062 {
5063         struct wpa_signal_info si;
5064         int ret;
5065         char *pos, *end;
5066
5067         ret = wpa_drv_signal_poll(wpa_s, &si);
5068         if (ret)
5069                 return -1;
5070
5071         pos = buf;
5072         end = buf + buflen;
5073
5074         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
5075                           "NOISE=%d\nFREQUENCY=%u\n",
5076                           si.current_signal, si.current_txrate / 1000,
5077                           si.current_noise, si.frequency);
5078         if (ret < 0 || ret > end - pos)
5079                 return -1;
5080         pos += ret;
5081
5082         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
5083                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
5084                                   channel_width_name(si.chanwidth));
5085                 if (ret < 0 || ret > end - pos)
5086                         return -1;
5087                 pos += ret;
5088         }
5089
5090         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
5091                 ret = os_snprintf(pos, end - pos,
5092                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
5093                                   si.center_frq1, si.center_frq2);
5094                 if (ret < 0 || ret > end - pos)
5095                         return -1;
5096                 pos += ret;
5097         }
5098
5099         if (si.avg_signal) {
5100                 ret = os_snprintf(pos, end - pos,
5101                                   "AVG_RSSI=%d\n", si.avg_signal);
5102                 if (ret < 0 || ret >= end - pos)
5103                         return -1;
5104                 pos += ret;
5105         }
5106
5107         return pos - buf;
5108 }
5109
5110
5111 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
5112                                       size_t buflen)
5113 {
5114         struct hostap_sta_driver_data sta;
5115         int ret;
5116
5117         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
5118         if (ret)
5119                 return -1;
5120
5121         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
5122                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
5123         if (ret < 0 || (size_t) ret > buflen)
5124                 return -1;
5125         return ret;
5126 }
5127
5128
5129 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
5130 {
5131         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
5132
5133 #ifdef CONFIG_P2P
5134         wpas_p2p_stop_find(wpa_s);
5135         p2p_ctrl_flush(wpa_s);
5136         wpas_p2p_group_remove(wpa_s, "*");
5137 #endif /* CONFIG_P2P */
5138
5139 #ifdef CONFIG_WPS_TESTING
5140         wps_version_number = 0x20;
5141         wps_testing_dummy_cred = 0;
5142 #endif /* CONFIG_WPS_TESTING */
5143 #ifdef CONFIG_WPS
5144         wpas_wps_cancel(wpa_s);
5145 #endif /* CONFIG_WPS */
5146         wpa_s->after_wps = 0;
5147         wpa_s->known_wps_freq = 0;
5148
5149 #ifdef CONFIG_TDLS_TESTING
5150         extern unsigned int tdls_testing;
5151         tdls_testing = 0;
5152 #endif /* CONFIG_TDLS_TESTING */
5153 #ifdef CONFIG_TDLS
5154         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
5155         wpa_tdls_enable(wpa_s->wpa, 1);
5156 #endif /* CONFIG_TDLS */
5157
5158         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
5159         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
5160
5161         wpa_s->no_keep_alive = 0;
5162
5163         os_free(wpa_s->disallow_aps_bssid);
5164         wpa_s->disallow_aps_bssid = NULL;
5165         wpa_s->disallow_aps_bssid_count = 0;
5166         os_free(wpa_s->disallow_aps_ssid);
5167         wpa_s->disallow_aps_ssid = NULL;
5168         wpa_s->disallow_aps_ssid_count = 0;
5169
5170         wpa_s->set_sta_uapsd = 0;
5171         wpa_s->sta_uapsd = 0;
5172
5173         wpa_drv_radio_disable(wpa_s, 0);
5174
5175         wpa_bss_flush(wpa_s);
5176         wpa_blacklist_clear(wpa_s);
5177         wpa_s->extra_blacklist_count = 0;
5178         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
5179         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
5180 }
5181
5182
5183 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
5184 {
5185         struct wpa_supplicant *wpa_s = eloop_ctx;
5186         eapol_sm_notify_ctrl_response(wpa_s->eapol);
5187 }
5188
5189
5190 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
5191                                          char *buf, size_t *resp_len)
5192 {
5193         char *reply;
5194         const int reply_size = 4096;
5195         int reply_len;
5196
5197         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
5198             os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
5199             os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
5200             os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0 ||
5201             os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
5202                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
5203                                       (const u8 *) buf, os_strlen(buf));
5204         } else {
5205                 int level = MSG_DEBUG;
5206                 if (os_strcmp(buf, "PING") == 0)
5207                         level = MSG_EXCESSIVE;
5208                 wpa_hexdump_ascii(level, "RX ctrl_iface",
5209                                   (const u8 *) buf, os_strlen(buf));
5210                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
5211         }
5212
5213         reply = os_malloc(reply_size);
5214         if (reply == NULL) {
5215                 *resp_len = 1;
5216                 return NULL;
5217         }
5218
5219         os_memcpy(reply, "OK\n", 3);
5220         reply_len = 3;
5221
5222         if (os_strcmp(buf, "PING") == 0) {
5223                 os_memcpy(reply, "PONG\n", 5);
5224                 reply_len = 5;
5225         } else if (os_strcmp(buf, "IFNAME") == 0) {
5226                 reply_len = os_strlen(wpa_s->ifname);
5227                 os_memcpy(reply, wpa_s->ifname, reply_len);
5228         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
5229                 if (wpa_debug_reopen_file() < 0)
5230                         reply_len = -1;
5231         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
5232                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
5233         } else if (os_strcmp(buf, "MIB") == 0) {
5234                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
5235                 if (reply_len >= 0) {
5236                         int res;
5237                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
5238                                                reply_size - reply_len);
5239                         if (res < 0)
5240                                 reply_len = -1;
5241                         else
5242                                 reply_len += res;
5243                 }
5244         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
5245                 reply_len = wpa_supplicant_ctrl_iface_status(
5246                         wpa_s, buf + 6, reply, reply_size);
5247         } else if (os_strcmp(buf, "PMKSA") == 0) {
5248                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
5249                                                     reply_size);
5250         } else if (os_strncmp(buf, "SET ", 4) == 0) {
5251                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
5252                         reply_len = -1;
5253         } else if (os_strncmp(buf, "GET ", 4) == 0) {
5254                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
5255                                                           reply, reply_size);
5256         } else if (os_strcmp(buf, "LOGON") == 0) {
5257                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5258         } else if (os_strcmp(buf, "LOGOFF") == 0) {
5259                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
5260         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
5261                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5262                         reply_len = -1;
5263                 else
5264                         wpas_request_connection(wpa_s);
5265         } else if (os_strcmp(buf, "RECONNECT") == 0) {
5266                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5267                         reply_len = -1;
5268                 else if (wpa_s->disconnected)
5269                         wpas_request_connection(wpa_s);
5270 #ifdef IEEE8021X_EAPOL
5271         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
5272                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
5273                         reply_len = -1;
5274 #endif /* IEEE8021X_EAPOL */
5275 #ifdef CONFIG_PEERKEY
5276         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
5277                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
5278                         reply_len = -1;
5279 #endif /* CONFIG_PEERKEY */
5280 #ifdef CONFIG_IEEE80211R
5281         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
5282                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
5283                         reply_len = -1;
5284 #endif /* CONFIG_IEEE80211R */
5285 #ifdef CONFIG_WPS
5286         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
5287                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
5288                 if (res == -2) {
5289                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5290                         reply_len = 17;
5291                 } else if (res)
5292                         reply_len = -1;
5293         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
5294                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
5295                 if (res == -2) {
5296                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5297                         reply_len = 17;
5298                 } else if (res)
5299                         reply_len = -1;
5300         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
5301                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
5302                                                               reply,
5303                                                               reply_size);
5304         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
5305                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
5306                         wpa_s, buf + 14, reply, reply_size);
5307         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
5308                 if (wpas_wps_cancel(wpa_s))
5309                         reply_len = -1;
5310 #ifdef CONFIG_WPS_NFC
5311         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
5312                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
5313                         reply_len = -1;
5314         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
5315                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
5316                         reply_len = -1;
5317         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
5318                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
5319                         wpa_s, buf + 21, reply, reply_size);
5320         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
5321                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
5322                         wpa_s, buf + 14, reply, reply_size);
5323         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
5324                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
5325                                                                buf + 17))
5326                         reply_len = -1;
5327         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
5328                 reply_len = wpas_ctrl_nfc_get_handover_req(
5329                         wpa_s, buf + 21, reply, reply_size);
5330         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
5331                 reply_len = wpas_ctrl_nfc_get_handover_sel(
5332                         wpa_s, buf + 21, reply, reply_size);
5333         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
5334                 reply_len = wpas_ctrl_nfc_rx_handover_req(
5335                         wpa_s, buf + 20, reply, reply_size);
5336         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
5337                 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
5338                         reply_len = -1;
5339         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
5340                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
5341                         reply_len = -1;
5342 #endif /* CONFIG_WPS_NFC */
5343         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
5344                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
5345                         reply_len = -1;
5346 #ifdef CONFIG_AP
5347         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
5348                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
5349                         wpa_s, buf + 11, reply, reply_size);
5350 #endif /* CONFIG_AP */
5351 #ifdef CONFIG_WPS_ER
5352         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
5353                 if (wpas_wps_er_start(wpa_s, NULL))
5354                         reply_len = -1;
5355         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
5356                 if (wpas_wps_er_start(wpa_s, buf + 13))
5357                         reply_len = -1;
5358         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
5359                 if (wpas_wps_er_stop(wpa_s))
5360                         reply_len = -1;
5361         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
5362                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
5363                         reply_len = -1;
5364         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
5365                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
5366                 if (ret == -2) {
5367                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5368                         reply_len = 17;
5369                 } else if (ret == -3) {
5370                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
5371                         reply_len = 18;
5372                 } else if (ret == -4) {
5373                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
5374                         reply_len = 20;
5375                 } else if (ret)
5376                         reply_len = -1;
5377         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
5378                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
5379                         reply_len = -1;
5380         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
5381                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
5382                                                                 buf + 18))
5383                         reply_len = -1;
5384         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
5385                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
5386                         reply_len = -1;
5387 #ifdef CONFIG_WPS_NFC
5388         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
5389                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
5390                         wpa_s, buf + 24, reply, reply_size);
5391 #endif /* CONFIG_WPS_NFC */
5392 #endif /* CONFIG_WPS_ER */
5393 #endif /* CONFIG_WPS */
5394 #ifdef CONFIG_IBSS_RSN
5395         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
5396                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
5397                         reply_len = -1;
5398 #endif /* CONFIG_IBSS_RSN */
5399 #ifdef CONFIG_P2P
5400         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
5401                 if (p2p_ctrl_find(wpa_s, buf + 9))
5402                         reply_len = -1;
5403         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
5404                 if (p2p_ctrl_find(wpa_s, ""))
5405                         reply_len = -1;
5406         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
5407                 wpas_p2p_stop_find(wpa_s);
5408         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
5409                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
5410                                              reply_size);
5411         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
5412                 if (p2p_ctrl_listen(wpa_s, buf + 11))
5413                         reply_len = -1;
5414         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
5415                 if (p2p_ctrl_listen(wpa_s, ""))
5416                         reply_len = -1;
5417         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
5418                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
5419                         reply_len = -1;
5420         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
5421                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0, 0))
5422                         reply_len = -1;
5423         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
5424                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
5425                         reply_len = -1;
5426         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
5427                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
5428                         reply_len = -1;
5429         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
5430                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
5431         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
5432                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
5433                                                    reply_size);
5434         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
5435                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
5436                         reply_len = -1;
5437         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
5438                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
5439                         reply_len = -1;
5440         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
5441                 wpas_p2p_sd_service_update(wpa_s);
5442         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
5443                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
5444                         reply_len = -1;
5445         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
5446                 wpas_p2p_service_flush(wpa_s);
5447         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
5448                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
5449                         reply_len = -1;
5450         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
5451                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
5452                         reply_len = -1;
5453         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
5454                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
5455                         reply_len = -1;
5456         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
5457                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
5458                         reply_len = -1;
5459         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
5460                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
5461                                               reply_size);
5462         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
5463                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
5464                         reply_len = -1;
5465         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
5466                 p2p_ctrl_flush(wpa_s);
5467         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
5468                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
5469                         reply_len = -1;
5470         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
5471                 if (wpas_p2p_cancel(wpa_s))
5472                         reply_len = -1;
5473         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
5474                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
5475                         reply_len = -1;
5476         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
5477                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
5478                         reply_len = -1;
5479         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
5480                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
5481                         reply_len = -1;
5482         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
5483                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
5484                         reply_len = -1;
5485         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
5486                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
5487                         reply_len = -1;
5488 #endif /* CONFIG_P2P */
5489 #ifdef CONFIG_WIFI_DISPLAY
5490         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
5491                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
5492                         reply_len = -1;
5493         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
5494                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
5495                                                      reply, reply_size);
5496 #endif /* CONFIG_WIFI_DISPLAY */
5497 #ifdef CONFIG_INTERWORKING
5498         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
5499                 if (interworking_fetch_anqp(wpa_s) < 0)
5500                         reply_len = -1;
5501         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
5502                 interworking_stop_fetch_anqp(wpa_s);
5503         } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
5504                 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
5505                                         NULL) < 0)
5506                         reply_len = -1;
5507         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
5508                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
5509                         reply_len = -1;
5510         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
5511                 if (get_anqp(wpa_s, buf + 9) < 0)
5512                         reply_len = -1;
5513         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
5514                 if (gas_request(wpa_s, buf + 12) < 0)
5515                         reply_len = -1;
5516         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
5517                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
5518                                              reply_size);
5519 #endif /* CONFIG_INTERWORKING */
5520 #ifdef CONFIG_HS20
5521         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
5522                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
5523                         reply_len = -1;
5524         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
5525                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
5526                         reply_len = -1;
5527 #endif /* CONFIG_HS20 */
5528         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
5529         {
5530                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
5531                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
5532                         reply_len = -1;
5533                 else {
5534                         /*
5535                          * Notify response from timeout to allow the control
5536                          * interface response to be sent first.
5537                          */
5538                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
5539                                                wpa_s, NULL);
5540                 }
5541         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
5542                 if (wpa_supplicant_reload_configuration(wpa_s))
5543                         reply_len = -1;
5544         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5545                 wpa_supplicant_terminate_proc(wpa_s->global);
5546         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
5547                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
5548                         reply_len = -1;
5549         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
5550                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
5551                         wpa_s, buf + 9, reply, reply_size);
5552         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
5553                 reply_len = wpa_supplicant_ctrl_iface_log_level(
5554                         wpa_s, buf + 9, reply, reply_size);
5555         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
5556                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
5557                         wpa_s, reply, reply_size);
5558         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
5559 #ifdef CONFIG_SME
5560                 wpa_s->sme.prev_bssid_set = 0;
5561 #endif /* CONFIG_SME */
5562                 wpa_s->reassociate = 0;
5563                 wpa_s->disconnected = 1;
5564                 wpa_supplicant_cancel_sched_scan(wpa_s);
5565                 wpa_supplicant_cancel_scan(wpa_s);
5566                 wpa_supplicant_deauthenticate(wpa_s,
5567                                               WLAN_REASON_DEAUTH_LEAVING);
5568         } else if (os_strcmp(buf, "SCAN") == 0 ||
5569                    os_strncmp(buf, "SCAN ", 5) == 0) {
5570                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5571                         reply_len = -1;
5572                 else {
5573                         if (os_strlen(buf) > 4 &&
5574                             os_strncasecmp(buf + 5, "TYPE=ONLY", 9) == 0)
5575                                 wpa_s->scan_res_handler = scan_only_handler;
5576                         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5577                             ((wpa_s->wpa_state <= WPA_SCANNING) ||
5578                              (wpa_s->wpa_state == WPA_COMPLETED))) {
5579                                 wpa_s->normal_scans = 0;
5580                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5581                                 wpa_s->after_wps = 0;
5582                                 wpa_s->known_wps_freq = 0;
5583                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5584                         } else if (wpa_s->sched_scanning) {
5585                                 wpa_printf(MSG_DEBUG, "Stop ongoing "
5586                                            "sched_scan to allow requested "
5587                                            "full scan to proceed");
5588                                 wpa_supplicant_cancel_sched_scan(wpa_s);
5589                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5590                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5591                         } else {
5592                                 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
5593                                            "reject new request");
5594                                 reply_len = os_snprintf(reply, reply_size,
5595                                                         "FAIL-BUSY\n");
5596                         }
5597                 }
5598         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
5599                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
5600                         wpa_s, reply, reply_size);
5601         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
5602                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
5603                         reply_len = -1;
5604         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
5605                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
5606                         reply_len = -1;
5607         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
5608                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
5609                         reply_len = -1;
5610         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
5611                 reply_len = wpa_supplicant_ctrl_iface_add_network(
5612                         wpa_s, reply, reply_size);
5613         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
5614                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
5615                         reply_len = -1;
5616         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5617                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
5618                         reply_len = -1;
5619         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
5620                 reply_len = wpa_supplicant_ctrl_iface_get_network(
5621                         wpa_s, buf + 12, reply, reply_size);
5622         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
5623                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
5624                         wpa_s, reply, reply_size);
5625         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
5626                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
5627                         wpa_s, reply, reply_size);
5628         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
5629                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
5630                         reply_len = -1;
5631         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
5632                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
5633                         reply_len = -1;
5634 #ifndef CONFIG_NO_CONFIG_WRITE
5635         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
5636                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
5637                         reply_len = -1;
5638 #endif /* CONFIG_NO_CONFIG_WRITE */
5639         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
5640                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
5641                         wpa_s, buf + 15, reply, reply_size);
5642         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
5643                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
5644                         reply_len = -1;
5645         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
5646                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
5647                         reply_len = -1;
5648         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5649                 reply_len = wpa_supplicant_global_iface_list(
5650                         wpa_s->global, reply, reply_size);
5651         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5652                 reply_len = wpa_supplicant_global_iface_interfaces(
5653                         wpa_s->global, reply, reply_size);
5654         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
5655                 reply_len = wpa_supplicant_ctrl_iface_bss(
5656                         wpa_s, buf + 4, reply, reply_size);
5657 #ifdef CONFIG_AP
5658         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
5659                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
5660         } else if (os_strncmp(buf, "STA ", 4) == 0) {
5661                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
5662                                               reply_size);
5663         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
5664                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
5665                                                    reply_size);
5666         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
5667                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
5668                         reply_len = -1;
5669         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
5670                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
5671                         reply_len = -1;
5672 #endif /* CONFIG_AP */
5673         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5674                 wpas_notify_suspend(wpa_s->global);
5675         } else if (os_strcmp(buf, "RESUME") == 0) {
5676                 wpas_notify_resume(wpa_s->global);
5677         } else if (os_strcmp(buf, "DROP_SA") == 0) {
5678                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
5679         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
5680                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
5681                         reply_len = -1;
5682         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
5683                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
5684                         reply_len = -1;
5685         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
5686                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
5687                         reply_len = -1;
5688         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
5689                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
5690                                                                buf + 17))
5691                         reply_len = -1;
5692         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
5693                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
5694                         reply_len = -1;
5695 #ifdef CONFIG_TDLS
5696         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
5697                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
5698                         reply_len = -1;
5699         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
5700                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
5701                         reply_len = -1;
5702         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
5703                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
5704                         reply_len = -1;
5705 #endif /* CONFIG_TDLS */
5706         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
5707                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
5708                                                        reply_size);
5709         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
5710                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
5711                                                        reply_size);
5712 #ifdef CONFIG_AUTOSCAN
5713         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
5714                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
5715                         reply_len = -1;
5716 #endif /* CONFIG_AUTOSCAN */
5717         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
5718                 pmksa_cache_clear_current(wpa_s->wpa);
5719                 eapol_sm_request_reauth(wpa_s->eapol);
5720 #ifdef CONFIG_WNM
5721         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
5722                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
5723                         reply_len = -1;
5724         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 10) == 0) {
5725                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 10))
5726                                 reply_len = -1;
5727 #endif /* CONFIG_WNM */
5728         } else if (os_strcmp(buf, "FLUSH") == 0) {
5729                 wpa_supplicant_ctrl_iface_flush(wpa_s);
5730         } else {
5731                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5732                 reply_len = 16;
5733         }
5734
5735         if (reply_len < 0) {
5736                 os_memcpy(reply, "FAIL\n", 5);
5737                 reply_len = 5;
5738         }
5739
5740         *resp_len = reply_len;
5741         return reply;
5742 }
5743
5744
5745 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
5746                                            char *cmd)
5747 {
5748         struct wpa_interface iface;
5749         char *pos;
5750
5751         /*
5752          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
5753          * TAB<bridge_ifname>
5754          */
5755         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
5756
5757         os_memset(&iface, 0, sizeof(iface));
5758
5759         do {
5760                 iface.ifname = pos = cmd;
5761                 pos = os_strchr(pos, '\t');
5762                 if (pos)
5763                         *pos++ = '\0';
5764                 if (iface.ifname[0] == '\0')
5765                         return -1;
5766                 if (pos == NULL)
5767                         break;
5768
5769                 iface.confname = pos;
5770                 pos = os_strchr(pos, '\t');
5771                 if (pos)
5772                         *pos++ = '\0';
5773                 if (iface.confname[0] == '\0')
5774                         iface.confname = NULL;
5775                 if (pos == NULL)
5776                         break;
5777
5778                 iface.driver = pos;
5779                 pos = os_strchr(pos, '\t');
5780                 if (pos)
5781                         *pos++ = '\0';
5782                 if (iface.driver[0] == '\0')
5783                         iface.driver = NULL;
5784                 if (pos == NULL)
5785                         break;
5786
5787                 iface.ctrl_interface = pos;
5788                 pos = os_strchr(pos, '\t');
5789                 if (pos)
5790                         *pos++ = '\0';
5791                 if (iface.ctrl_interface[0] == '\0')
5792                         iface.ctrl_interface = NULL;
5793                 if (pos == NULL)
5794                         break;
5795
5796                 iface.driver_param = pos;
5797                 pos = os_strchr(pos, '\t');
5798                 if (pos)
5799                         *pos++ = '\0';
5800                 if (iface.driver_param[0] == '\0')
5801                         iface.driver_param = NULL;
5802                 if (pos == NULL)
5803                         break;
5804
5805                 iface.bridge_ifname = pos;
5806                 pos = os_strchr(pos, '\t');
5807                 if (pos)
5808                         *pos++ = '\0';
5809                 if (iface.bridge_ifname[0] == '\0')
5810                         iface.bridge_ifname = NULL;
5811                 if (pos == NULL)
5812                         break;
5813         } while (0);
5814
5815         if (wpa_supplicant_get_iface(global, iface.ifname))
5816                 return -1;
5817
5818         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
5819 }
5820
5821
5822 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
5823                                               char *cmd)
5824 {
5825         struct wpa_supplicant *wpa_s;
5826
5827         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
5828
5829         wpa_s = wpa_supplicant_get_iface(global, cmd);
5830         if (wpa_s == NULL)
5831                 return -1;
5832         return wpa_supplicant_remove_iface(global, wpa_s, 0);
5833 }
5834
5835
5836 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5837 {
5838         struct wpa_interface_info *prev;
5839
5840         while (iface) {
5841                 prev = iface;
5842                 iface = iface->next;
5843
5844                 os_free(prev->ifname);
5845                 os_free(prev->desc);
5846                 os_free(prev);
5847         }
5848 }
5849
5850
5851 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5852                                             char *buf, int len)
5853 {
5854         int i, res;
5855         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5856         char *pos, *end;
5857
5858         for (i = 0; wpa_drivers[i]; i++) {
5859                 struct wpa_driver_ops *drv = wpa_drivers[i];
5860                 if (drv->get_interfaces == NULL)
5861                         continue;
5862                 tmp = drv->get_interfaces(global->drv_priv[i]);
5863                 if (tmp == NULL)
5864                         continue;
5865
5866                 if (last == NULL)
5867                         iface = last = tmp;
5868                 else
5869                         last->next = tmp;
5870                 while (last->next)
5871                         last = last->next;
5872         }
5873
5874         pos = buf;
5875         end = buf + len;
5876         for (tmp = iface; tmp; tmp = tmp->next) {
5877                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5878                                   tmp->drv_name, tmp->ifname,
5879                                   tmp->desc ? tmp->desc : "");
5880                 if (res < 0 || res >= end - pos) {
5881                         *pos = '\0';
5882                         break;
5883                 }
5884                 pos += res;
5885         }
5886
5887         wpa_free_iface_info(iface);
5888
5889         return pos - buf;
5890 }
5891
5892
5893 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5894                                                   char *buf, int len)
5895 {
5896         int res;
5897         char *pos, *end;
5898         struct wpa_supplicant *wpa_s;
5899
5900         wpa_s = global->ifaces;
5901         pos = buf;
5902         end = buf + len;
5903
5904         while (wpa_s) {
5905                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5906                 if (res < 0 || res >= end - pos) {
5907                         *pos = '\0';
5908                         break;
5909                 }
5910                 pos += res;
5911                 wpa_s = wpa_s->next;
5912         }
5913         return pos - buf;
5914 }
5915
5916
5917 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
5918                                             const char *ifname,
5919                                             char *cmd, size_t *resp_len)
5920 {
5921         struct wpa_supplicant *wpa_s;
5922
5923         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
5924                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
5925                         break;
5926         }
5927
5928         if (wpa_s == NULL) {
5929                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
5930                 if (resp)
5931                         *resp_len = os_strlen(resp);
5932                 else
5933                         *resp_len = 1;
5934                 return resp;
5935         }
5936
5937         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
5938 }
5939
5940
5941 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
5942                                                char *buf, size_t *resp_len)
5943 {
5944 #ifdef CONFIG_P2P
5945         static const char * cmd[] = {
5946                 "P2P_FIND",
5947                 "P2P_STOP_FIND",
5948                 "P2P_LISTEN",
5949                 "P2P_GROUP_ADD",
5950                 "P2P_GET_PASSPHRASE",
5951                 "P2P_SERVICE_UPDATE",
5952                 "P2P_SERVICE_FLUSH",
5953                 "P2P_FLUSH",
5954                 "P2P_CANCEL",
5955                 "P2P_PRESENCE_REQ",
5956                 "P2P_EXT_LISTEN",
5957                 NULL
5958         };
5959         static const char * prefix[] = {
5960                 "P2P_FIND ",
5961                 "P2P_CONNECT ",
5962                 "P2P_LISTEN ",
5963                 "P2P_GROUP_REMOVE ",
5964                 "P2P_GROUP_ADD ",
5965                 "P2P_PROV_DISC ",
5966                 "P2P_SERV_DISC_REQ ",
5967                 "P2P_SERV_DISC_CANCEL_REQ ",
5968                 "P2P_SERV_DISC_RESP ",
5969                 "P2P_SERV_DISC_EXTERNAL ",
5970                 "P2P_SERVICE_ADD ",
5971                 "P2P_SERVICE_DEL ",
5972                 "P2P_REJECT ",
5973                 "P2P_INVITE ",
5974                 "P2P_PEER ",
5975                 "P2P_SET ",
5976                 "P2P_UNAUTHORIZE ",
5977                 "P2P_PRESENCE_REQ ",
5978                 "P2P_EXT_LISTEN ",
5979                 "P2P_REMOVE_CLIENT ",
5980                 NULL
5981         };
5982         int found = 0;
5983         int i;
5984
5985         if (global->p2p_init_wpa_s == NULL)
5986                 return NULL;
5987
5988         for (i = 0; !found && cmd[i]; i++) {
5989                 if (os_strcmp(buf, cmd[i]) == 0)
5990                         found = 1;
5991         }
5992
5993         for (i = 0; !found && prefix[i]; i++) {
5994                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
5995                         found = 1;
5996         }
5997
5998         if (found)
5999                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
6000                                                          buf, resp_len);
6001 #endif /* CONFIG_P2P */
6002         return NULL;
6003 }
6004
6005
6006 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
6007                                                char *buf, size_t *resp_len)
6008 {
6009 #ifdef CONFIG_WIFI_DISPLAY
6010         if (global->p2p_init_wpa_s == NULL)
6011                 return NULL;
6012         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
6013             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
6014                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
6015                                                          buf, resp_len);
6016 #endif /* CONFIG_WIFI_DISPLAY */
6017         return NULL;
6018 }
6019
6020
6021 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
6022                                            char *buf, size_t *resp_len)
6023 {
6024         char *ret;
6025
6026         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
6027         if (ret)
6028                 return ret;
6029
6030         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
6031         if (ret)
6032                 return ret;
6033
6034         return NULL;
6035 }
6036
6037
6038 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
6039 {
6040         char *value;
6041
6042         value = os_strchr(cmd, ' ');
6043         if (value == NULL)
6044                 return -1;
6045         *value++ = '\0';
6046
6047         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
6048
6049 #ifdef CONFIG_WIFI_DISPLAY
6050         if (os_strcasecmp(cmd, "wifi_display") == 0) {
6051                 wifi_display_enable(global, !!atoi(value));
6052                 return 0;
6053         }
6054 #endif /* CONFIG_WIFI_DISPLAY */
6055
6056         return -1;
6057 }
6058
6059
6060 #ifndef CONFIG_NO_CONFIG_WRITE
6061 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
6062 {
6063         int ret = 0;
6064         struct wpa_supplicant *wpa_s;
6065
6066         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6067                 if (!wpa_s->conf->update_config) {
6068                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
6069                         continue;
6070                 }
6071
6072                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
6073                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
6074                         ret = 1;
6075                 } else {
6076                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
6077                 }
6078         }
6079
6080         return ret;
6081 }
6082 #endif /* CONFIG_NO_CONFIG_WRITE */
6083
6084
6085 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
6086                                          char *buf, size_t buflen)
6087 {
6088         char *pos, *end;
6089         int ret;
6090         struct wpa_supplicant *wpa_s;
6091
6092         pos = buf;
6093         end = buf + buflen;
6094
6095 #ifdef CONFIG_P2P
6096         if (global->p2p && !global->p2p_disabled) {
6097                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
6098                                   "\n"
6099                                   "p2p_state=%s\n",
6100                                   MAC2STR(global->p2p_dev_addr),
6101                                   p2p_get_state_txt(global->p2p));
6102                 if (ret < 0 || ret >= end - pos)
6103                         return pos - buf;
6104                 pos += ret;
6105         } else if (global->p2p) {
6106                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
6107                 if (ret < 0 || ret >= end - pos)
6108                         return pos - buf;
6109                 pos += ret;
6110         }
6111 #endif /* CONFIG_P2P */
6112
6113 #ifdef CONFIG_WIFI_DISPLAY
6114         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
6115                           !!global->wifi_display);
6116         if (ret < 0 || ret >= end - pos)
6117                 return pos - buf;
6118         pos += ret;
6119 #endif /* CONFIG_WIFI_DISPLAY */
6120
6121         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6122                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
6123                                   "address=" MACSTR "\n",
6124                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
6125                 if (ret < 0 || ret >= end - pos)
6126                         return pos - buf;
6127                 pos += ret;
6128         }
6129
6130         return pos - buf;
6131 }
6132
6133
6134 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
6135                                                 char *buf, size_t *resp_len)
6136 {
6137         char *reply;
6138         const int reply_size = 2048;
6139         int reply_len;
6140         int level = MSG_DEBUG;
6141
6142         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
6143                 char *pos = os_strchr(buf + 7, ' ');
6144                 if (pos) {
6145                         *pos++ = '\0';
6146                         return wpas_global_ctrl_iface_ifname(global,
6147                                                              buf + 7, pos,
6148                                                              resp_len);
6149                 }
6150         }
6151
6152         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
6153         if (reply)
6154                 return reply;
6155
6156         if (os_strcmp(buf, "PING") == 0)
6157                 level = MSG_EXCESSIVE;
6158         wpa_hexdump_ascii(level, "RX global ctrl_iface",
6159                           (const u8 *) buf, os_strlen(buf));
6160
6161         reply = os_malloc(reply_size);
6162         if (reply == NULL) {
6163                 *resp_len = 1;
6164                 return NULL;
6165         }
6166
6167         os_memcpy(reply, "OK\n", 3);
6168         reply_len = 3;
6169
6170         if (os_strcmp(buf, "PING") == 0) {
6171                 os_memcpy(reply, "PONG\n", 5);
6172                 reply_len = 5;
6173         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
6174                 if (wpa_supplicant_global_iface_add(global, buf + 14))
6175                         reply_len = -1;
6176         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
6177                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
6178                         reply_len = -1;
6179         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
6180                 reply_len = wpa_supplicant_global_iface_list(
6181                         global, reply, reply_size);
6182         } else if (os_strcmp(buf, "INTERFACES") == 0) {
6183                 reply_len = wpa_supplicant_global_iface_interfaces(
6184                         global, reply, reply_size);
6185         } else if (os_strcmp(buf, "TERMINATE") == 0) {
6186                 wpa_supplicant_terminate_proc(global);
6187         } else if (os_strcmp(buf, "SUSPEND") == 0) {
6188                 wpas_notify_suspend(global);
6189         } else if (os_strcmp(buf, "RESUME") == 0) {
6190                 wpas_notify_resume(global);
6191         } else if (os_strncmp(buf, "SET ", 4) == 0) {
6192                 if (wpas_global_ctrl_iface_set(global, buf + 4))
6193                         reply_len = -1;
6194 #ifndef CONFIG_NO_CONFIG_WRITE
6195         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
6196                 if (wpas_global_ctrl_iface_save_config(global))
6197                         reply_len = -1;
6198 #endif /* CONFIG_NO_CONFIG_WRITE */
6199         } else if (os_strcmp(buf, "STATUS") == 0) {
6200                 reply_len = wpas_global_ctrl_iface_status(global, reply,
6201                                                           reply_size);
6202         } else {
6203                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
6204                 reply_len = 16;
6205         }
6206
6207         if (reply_len < 0) {
6208                 os_memcpy(reply, "FAIL\n", 5);
6209                 reply_len = 5;
6210         }
6211
6212         *resp_len = reply_len;
6213         return reply;
6214 }