wpa_supplicant/ctrl_iface.c

   1 /*
   2  * WPA Supplicant / Control interface (shared code for all backends)
   3  * Copyright (c) 2004-2012, 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;
  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         ret = wpa_drv_sched_scan(wpa_s, &params, 10 * 1000);
 112         os_free(params.filter_ssids);
 113         if (ret == 0)
 114                 wpa_s->pno = 1;
 115         return ret;
 116 }
 117
 118
 119 static int pno_stop(struct wpa_supplicant *wpa_s)
 120 {
 121         int ret = 0;
 122
 123         if (wpa_s->pno) {
 124                 wpa_s->pno = 0;
 125                 ret = wpa_drv_stop_sched_scan(wpa_s);
 126         }
 127
 128         if (wpa_s->wpa_state == WPA_SCANNING)
 129                 wpa_supplicant_req_scan(wpa_s, 0, 0);
 130
 131         return ret;
 132 }
 133
 134
 135 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
 136 {
 137         char *pos;
 138         u8 addr[ETH_ALEN], *filter = NULL, *n;
 139         size_t count = 0;
 140
 141         pos = val;
 142         while (pos) {
 143                 if (*pos == '\0')
 144                         break;
 145                 if (hwaddr_aton(pos, addr)) {
 146                         os_free(filter);
 147                         return -1;
 148                 }
 149                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
 150                 if (n == NULL) {
 151                         os_free(filter);
 152                         return -1;
 153                 }
 154                 filter = n;
 155                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
 156                 count++;
 157
 158                 pos = os_strchr(pos, ' ');
 159                 if (pos)
 160                         pos++;
 161         }
 162
 163         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
 164         os_free(wpa_s->bssid_filter);
 165         wpa_s->bssid_filter = filter;
 166         wpa_s->bssid_filter_count = count;
 167
 168         return 0;
 169 }
 170
 171
 172 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
 173 {
 174         char *pos;
 175         u8 addr[ETH_ALEN], *bssid = NULL, *n;
 176         struct wpa_ssid_value *ssid = NULL, *ns;
 177         size_t count = 0, ssid_count = 0;
 178         struct wpa_ssid *c;
 179
 180         /*
 181          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | “”
 182          * SSID_SPEC ::= ssid <SSID_HEX>
 183          * BSSID_SPEC ::= bssid <BSSID_HEX>
 184          */
 185
 186         pos = val;
 187         while (pos) {
 188                 if (*pos == '\0')
 189                         break;
 190                 if (os_strncmp(pos, "bssid ", 6) == 0) {
 191                         int res;
 192                         pos += 6;
 193                         res = hwaddr_aton2(pos, addr);
 194                         if (res < 0) {
 195                                 os_free(ssid);
 196                                 os_free(bssid);
 197                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 198                                            "BSSID value '%s'", pos);
 199                                 return -1;
 200                         }
 201                         pos += res;
 202                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
 203                         if (n == NULL) {
 204                                 os_free(ssid);
 205                                 os_free(bssid);
 206                                 return -1;
 207                         }
 208                         bssid = n;
 209                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
 210                         count++;
 211                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
 212                         char *end;
 213                         pos += 5;
 214
 215                         end = pos;
 216                         while (*end) {
 217                                 if (*end == '\0' || *end == ' ')
 218                                         break;
 219                                 end++;
 220                         }
 221
 222                         ns = os_realloc_array(ssid, ssid_count + 1,
 223                                               sizeof(struct wpa_ssid_value));
 224                         if (ns == NULL) {
 225                                 os_free(ssid);
 226                                 os_free(bssid);
 227                                 return -1;
 228                         }
 229                         ssid = ns;
 230
 231                         if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
 232                             hexstr2bin(pos, ssid[ssid_count].ssid,
 233                                        (end - pos) / 2) < 0) {
 234                                 os_free(ssid);
 235                                 os_free(bssid);
 236                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 237                                            "SSID value '%s'", pos);
 238                                 return -1;
 239                         }
 240                         ssid[ssid_count].ssid_len = (end - pos) / 2;
 241                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
 242                                           ssid[ssid_count].ssid,
 243                                           ssid[ssid_count].ssid_len);
 244                         ssid_count++;
 245                         pos = end;
 246                 } else {
 247                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
 248                                    "'%s'", pos);
 249                         os_free(ssid);
 250                         os_free(bssid);
 251                         return -1;
 252                 }
 253
 254                 pos = os_strchr(pos, ' ');
 255                 if (pos)
 256                         pos++;
 257         }
 258
 259         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
 260         os_free(wpa_s->disallow_aps_bssid);
 261         wpa_s->disallow_aps_bssid = bssid;
 262         wpa_s->disallow_aps_bssid_count = count;
 263
 264         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
 265         os_free(wpa_s->disallow_aps_ssid);
 266         wpa_s->disallow_aps_ssid = ssid;
 267         wpa_s->disallow_aps_ssid_count = ssid_count;
 268
 269         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
 270                 return 0;
 271
 272         c = wpa_s->current_ssid;
 273         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
 274                 return 0;
 275
 276         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
 277             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
 278                 return 0;
 279
 280         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
 281                    "because current AP was marked disallowed");
 282
 283 #ifdef CONFIG_SME
 284         wpa_s->sme.prev_bssid_set = 0;
 285 #endif /* CONFIG_SME */
 286         wpa_s->reassociate = 1;
 287         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
 288         wpa_supplicant_req_scan(wpa_s, 0, 0);
 289
 290         return 0;
 291 }
 292
 293
 294 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
 295                                          char *cmd)
 296 {
 297         char *value;
 298         int ret = 0;
 299
 300         value = os_strchr(cmd, ' ');
 301         if (value == NULL)
 302                 return -1;
 303         *value++ = '\0';
 304
 305         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
 306         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
 307                 eapol_sm_configure(wpa_s->eapol,
 308                                    atoi(value), -1, -1, -1);
 309         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
 310                 eapol_sm_configure(wpa_s->eapol,
 311                                    -1, atoi(value), -1, -1);
 312         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
 313                 eapol_sm_configure(wpa_s->eapol,
 314                                    -1, -1, atoi(value), -1);
 315         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
 316                 eapol_sm_configure(wpa_s->eapol,
 317                                    -1, -1, -1, atoi(value));
 318         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
 319                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
 320                                      atoi(value)))
 321                         ret = -1;
 322         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
 323                    0) {
 324                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
 325                                      atoi(value)))
 326                         ret = -1;
 327         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
 328                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
 329                         ret = -1;
 330         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
 331                 wpa_s->wps_fragment_size = atoi(value);
 332 #ifdef CONFIG_WPS_TESTING
 333         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
 334                 long int val;
 335                 val = strtol(value, NULL, 0);
 336                 if (val < 0 || val > 0xff) {
 337                         ret = -1;
 338                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
 339                                    "wps_version_number %ld", val);
 340                 } else {
 341                         wps_version_number = val;
 342                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
 343                                    "version %u.%u",
 344                                    (wps_version_number & 0xf0) >> 4,
 345                                    wps_version_number & 0x0f);
 346                 }
 347         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
 348                 wps_testing_dummy_cred = atoi(value);
 349                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
 350                            wps_testing_dummy_cred);
 351 #endif /* CONFIG_WPS_TESTING */
 352         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
 353                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
 354                         ret = -1;
 355 #ifdef CONFIG_TDLS_TESTING
 356         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
 357                 extern unsigned int tdls_testing;
 358                 tdls_testing = strtol(value, NULL, 0);
 359                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
 360 #endif /* CONFIG_TDLS_TESTING */
 361 #ifdef CONFIG_TDLS
 362         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
 363                 int disabled = atoi(value);
 364                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
 365                 if (disabled) {
 366                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
 367                                 ret = -1;
 368                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
 369                         ret = -1;
 370                 wpa_tdls_enable(wpa_s->wpa, !disabled);
 371 #endif /* CONFIG_TDLS */
 372         } else if (os_strcasecmp(cmd, "pno") == 0) {
 373                 if (atoi(value))
 374                         ret = pno_start(wpa_s);
 375                 else
 376                         ret = pno_stop(wpa_s);
 377         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
 378                 int disabled = atoi(value);
 379                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
 380                         ret = -1;
 381                 else if (disabled)
 382                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
 383         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
 384                 if (os_strcmp(value, "disable") == 0)
 385                         wpa_s->set_sta_uapsd = 0;
 386                 else {
 387                         int be, bk, vi, vo;
 388                         char *pos;
 389                         /* format: BE,BK,VI,VO;max SP Length */
 390                         be = atoi(value);
 391                         pos = os_strchr(value, ',');
 392                         if (pos == NULL)
 393                                 return -1;
 394                         pos++;
 395                         bk = atoi(pos);
 396                         pos = os_strchr(pos, ',');
 397                         if (pos == NULL)
 398                                 return -1;
 399                         pos++;
 400                         vi = atoi(pos);
 401                         pos = os_strchr(pos, ',');
 402                         if (pos == NULL)
 403                                 return -1;
 404                         pos++;
 405                         vo = atoi(pos);
 406                         /* ignore max SP Length for now */
 407
 408                         wpa_s->set_sta_uapsd = 1;
 409                         wpa_s->sta_uapsd = 0;
 410                         if (be)
 411                                 wpa_s->sta_uapsd |= BIT(0);
 412                         if (bk)
 413                                 wpa_s->sta_uapsd |= BIT(1);
 414                         if (vi)
 415                                 wpa_s->sta_uapsd |= BIT(2);
 416                         if (vo)
 417                                 wpa_s->sta_uapsd |= BIT(3);
 418                 }
 419         } else if (os_strcasecmp(cmd, "ps") == 0) {
 420                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
 421 #ifdef CONFIG_WIFI_DISPLAY
 422         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 423                 wifi_display_enable(wpa_s->global, !!atoi(value));
 424 #endif /* CONFIG_WIFI_DISPLAY */
 425         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
 426                 ret = set_bssid_filter(wpa_s, value);
 427         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
 428                 ret = set_disallow_aps(wpa_s, value);
 429         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
 430                 wpa_s->no_keep_alive = !!atoi(value);
 431         } else {
 432                 value[-1] = '=';
 433                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
 434                 if (ret == 0)
 435                         wpa_supplicant_update_config(wpa_s);
 436         }
 437
 438         return ret;
 439 }
 440
 441
 442 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
 443                                          char *cmd, char *buf, size_t buflen)
 444 {
 445         int res = -1;
 446
 447         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
 448
 449         if (os_strcmp(cmd, "version") == 0) {
 450                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
 451         } else if (os_strcasecmp(cmd, "country") == 0) {
 452                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
 453                         res = os_snprintf(buf, buflen, "%c%c",
 454                                           wpa_s->conf->country[0],
 455                                           wpa_s->conf->country[1]);
 456 #ifdef CONFIG_WIFI_DISPLAY
 457         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 458                 res = os_snprintf(buf, buflen, "%d",
 459                                   wpa_s->global->wifi_display);
 460                 if (res < 0 || (unsigned int) res >= buflen)
 461                         return -1;
 462                 return res;
 463 #endif /* CONFIG_WIFI_DISPLAY */
 464         }
 465
 466         if (res < 0 || (unsigned int) res >= buflen)
 467                 return -1;
 468         return res;
 469 }
 470
 471
 472 #ifdef IEEE8021X_EAPOL
 473 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
 474                                              char *addr)
 475 {
 476         u8 bssid[ETH_ALEN];
 477         struct wpa_ssid *ssid = wpa_s->current_ssid;
 478
 479         if (hwaddr_aton(addr, bssid)) {
 480                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
 481                            "'%s'", addr);
 482                 return -1;
 483         }
 484
 485         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
 486         rsn_preauth_deinit(wpa_s->wpa);
 487         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
 488                 return -1;
 489
 490         return 0;
 491 }
 492 #endif /* IEEE8021X_EAPOL */
 493
 494
 495 #ifdef CONFIG_PEERKEY
 496 /* MLME-STKSTART.request(peer) */
 497 static int wpa_supplicant_ctrl_iface_stkstart(
 498         struct wpa_supplicant *wpa_s, char *addr)
 499 {
 500         u8 peer[ETH_ALEN];
 501
 502         if (hwaddr_aton(addr, peer)) {
 503                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
 504                            "address '%s'", addr);
 505                 return -1;
 506         }
 507
 508         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
 509                    MAC2STR(peer));
 510
 511         return wpa_sm_stkstart(wpa_s->wpa, peer);
 512 }
 513 #endif /* CONFIG_PEERKEY */
 514
 515
 516 #ifdef CONFIG_TDLS
 517
 518 static int wpa_supplicant_ctrl_iface_tdls_discover(
 519         struct wpa_supplicant *wpa_s, char *addr)
 520 {
 521         u8 peer[ETH_ALEN];
 522         int ret;
 523
 524         if (hwaddr_aton(addr, peer)) {
 525                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
 526                            "address '%s'", addr);
 527                 return -1;
 528         }
 529
 530         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
 531                    MAC2STR(peer));
 532
 533         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 534                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
 535         else
 536                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
 537
 538         return ret;
 539 }
 540
 541
 542 static int wpa_supplicant_ctrl_iface_tdls_setup(
 543         struct wpa_supplicant *wpa_s, char *addr)
 544 {
 545         u8 peer[ETH_ALEN];
 546         int ret;
 547
 548         if (hwaddr_aton(addr, peer)) {
 549                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
 550                            "address '%s'", addr);
 551                 return -1;
 552         }
 553
 554         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
 555                    MAC2STR(peer));
 556
 557         wpa_tdls_remove(wpa_s->wpa, peer);
 558
 559         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 560                 ret = wpa_tdls_start(wpa_s->wpa, peer);
 561         else
 562                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 563
 564         return ret;
 565 }
 566
 567
 568 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 569         struct wpa_supplicant *wpa_s, char *addr)
 570 {
 571         u8 peer[ETH_ALEN];
 572
 573         if (hwaddr_aton(addr, peer)) {
 574                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 575                            "address '%s'", addr);
 576                 return -1;
 577         }
 578
 579         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 580                    MAC2STR(peer));
 581
 582         return wpa_tdls_teardown_link(wpa_s->wpa, peer,
 583                                       WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 584 }
 585
 586 #endif /* CONFIG_TDLS */
 587
 588
 589 #ifdef CONFIG_IEEE80211R
 590 static int wpa_supplicant_ctrl_iface_ft_ds(
 591         struct wpa_supplicant *wpa_s, char *addr)
 592 {
 593         u8 target_ap[ETH_ALEN];
 594         struct wpa_bss *bss;
 595         const u8 *mdie;
 596
 597         if (hwaddr_aton(addr, target_ap)) {
 598                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 599                            "address '%s'", addr);
 600                 return -1;
 601         }
 602
 603         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 604
 605         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 606         if (bss)
 607                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 608         else
 609                 mdie = NULL;
 610
 611         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 612 }
 613 #endif /* CONFIG_IEEE80211R */
 614
 615
 616 #ifdef CONFIG_WPS
 617 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 618                                              char *cmd)
 619 {
 620         u8 bssid[ETH_ALEN], *_bssid = bssid;
 621 #ifdef CONFIG_P2P
 622         u8 p2p_dev_addr[ETH_ALEN];
 623 #endif /* CONFIG_P2P */
 624 #ifdef CONFIG_AP
 625         u8 *_p2p_dev_addr = NULL;
 626 #endif /* CONFIG_AP */
 627
 628         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 629                 _bssid = NULL;
 630 #ifdef CONFIG_P2P
 631         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 632                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 633                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 634                                    "P2P Device Address '%s'",
 635                                    cmd + 13);
 636                         return -1;
 637                 }
 638                 _p2p_dev_addr = p2p_dev_addr;
 639 #endif /* CONFIG_P2P */
 640         } else if (hwaddr_aton(cmd, bssid)) {
 641                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 642                            cmd);
 643                 return -1;
 644         }
 645
 646 #ifdef CONFIG_AP
 647         if (wpa_s->ap_iface)
 648                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 649 #endif /* CONFIG_AP */
 650
 651         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 652 }
 653
 654
 655 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 656                                              char *cmd, char *buf,
 657                                              size_t buflen)
 658 {
 659         u8 bssid[ETH_ALEN], *_bssid = bssid;
 660         char *pin;
 661         int ret;
 662
 663         pin = os_strchr(cmd, ' ');
 664         if (pin)
 665                 *pin++ = '\0';
 666
 667         if (os_strcmp(cmd, "any") == 0)
 668                 _bssid = NULL;
 669         else if (os_strcmp(cmd, "get") == 0) {
 670                 ret = wps_generate_pin();
 671                 goto done;
 672         } else if (hwaddr_aton(cmd, bssid)) {
 673                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 674                            cmd);
 675                 return -1;
 676         }
 677
 678 #ifdef CONFIG_AP
 679         if (wpa_s->ap_iface) {
 680                 int timeout = 0;
 681                 char *pos;
 682
 683                 if (pin) {
 684                         pos = os_strchr(pin, ' ');
 685                         if (pos) {
 686                                 *pos++ = '\0';
 687                                 timeout = atoi(pos);
 688                         }
 689                 }
 690
 691                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 692                                                  buf, buflen, timeout);
 693         }
 694 #endif /* CONFIG_AP */
 695
 696         if (pin) {
 697                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 698                                          DEV_PW_DEFAULT);
 699                 if (ret < 0)
 700                         return -1;
 701                 ret = os_snprintf(buf, buflen, "%s", pin);
 702                 if (ret < 0 || (size_t) ret >= buflen)
 703                         return -1;
 704                 return ret;
 705         }
 706
 707         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 708         if (ret < 0)
 709                 return -1;
 710
 711 done:
 712         /* Return the generated PIN */
 713         ret = os_snprintf(buf, buflen, "%08d", ret);
 714         if (ret < 0 || (size_t) ret >= buflen)
 715                 return -1;
 716         return ret;
 717 }
 718
 719
 720 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 721         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 722 {
 723         char pin[9];
 724         size_t len;
 725         char *pos;
 726         int ret;
 727
 728         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
 729                               (u8 *) cmd, os_strlen(cmd));
 730         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
 731                 if (*pos < '0' || *pos > '9')
 732                         continue;
 733                 pin[len++] = *pos;
 734                 if (len == 9) {
 735                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
 736                         return -1;
 737                 }
 738         }
 739         if (len != 4 && len != 8) {
 740                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
 741                 return -1;
 742         }
 743         pin[len] = '\0';
 744
 745         if (len == 8) {
 746                 unsigned int pin_val;
 747                 pin_val = atoi(pin);
 748                 if (!wps_pin_valid(pin_val)) {
 749                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
 750                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
 751                         if (ret < 0 || (size_t) ret >= buflen)
 752                                 return -1;
 753                         return ret;
 754                 }
 755         }
 756
 757         ret = os_snprintf(buf, buflen, "%s", pin);
 758         if (ret < 0 || (size_t) ret >= buflen)
 759                 return -1;
 760
 761         return ret;
 762 }
 763
 764
 765 #ifdef CONFIG_WPS_NFC
 766
 767 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
 768                                              char *cmd)
 769 {
 770         u8 bssid[ETH_ALEN], *_bssid = bssid;
 771
 772         if (cmd == NULL || cmd[0] == '\0')
 773                 _bssid = NULL;
 774         else if (hwaddr_aton(cmd, bssid))
 775                 return -1;
 776
 777         return wpas_wps_start_nfc(wpa_s, _bssid);
 778 }
 779
 780
 781 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
 782         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 783 {
 784         int ndef;
 785         struct wpabuf *buf;
 786         int res;
 787
 788         if (os_strcmp(cmd, "WPS") == 0)
 789                 ndef = 0;
 790         else if (os_strcmp(cmd, "NDEF") == 0)
 791                 ndef = 1;
 792         else
 793                 return -1;
 794
 795         buf = wpas_wps_nfc_config_token(wpa_s, ndef);
 796         if (buf == NULL)
 797                 return -1;
 798
 799         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 800                                          wpabuf_len(buf));
 801         reply[res++] = '\n';
 802         reply[res] = '\0';
 803
 804         wpabuf_free(buf);
 805
 806         return res;
 807 }
 808
 809
 810 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
 811         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 812 {
 813         int ndef;
 814         struct wpabuf *buf;
 815         int res;
 816
 817         if (os_strcmp(cmd, "WPS") == 0)
 818                 ndef = 0;
 819         else if (os_strcmp(cmd, "NDEF") == 0)
 820                 ndef = 1;
 821         else
 822                 return -1;
 823
 824         buf = wpas_wps_nfc_token(wpa_s, ndef);
 825         if (buf == NULL)
 826                 return -1;
 827
 828         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 829                                          wpabuf_len(buf));
 830         reply[res++] = '\n';
 831         reply[res] = '\0';
 832
 833         wpabuf_free(buf);
 834
 835         return res;
 836 }
 837
 838
 839 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
 840         struct wpa_supplicant *wpa_s, char *pos)
 841 {
 842         size_t len;
 843         struct wpabuf *buf;
 844         int ret;
 845
 846         len = os_strlen(pos);
 847         if (len & 0x01)
 848                 return -1;
 849         len /= 2;
 850
 851         buf = wpabuf_alloc(len);
 852         if (buf == NULL)
 853                 return -1;
 854         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
 855                 wpabuf_free(buf);
 856                 return -1;
 857         }
 858
 859         ret = wpas_wps_nfc_tag_read(wpa_s, buf);
 860         wpabuf_free(buf);
 861
 862         return ret;
 863 }
 864
 865
 866 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
 867                                               char *reply, size_t max_len,
 868                                               int cr)
 869 {
 870         struct wpabuf *buf;
 871         int res;
 872
 873         buf = wpas_wps_nfc_handover_req(wpa_s, cr);
 874         if (buf == NULL)
 875                 return -1;
 876
 877         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 878                                          wpabuf_len(buf));
 879         reply[res++] = '\n';
 880         reply[res] = '\0';
 881
 882         wpabuf_free(buf);
 883
 884         return res;
 885 }
 886
 887
 888 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
 889                                           char *cmd, char *reply,
 890                                           size_t max_len)
 891 {
 892         char *pos;
 893
 894         pos = os_strchr(cmd, ' ');
 895         if (pos == NULL)
 896                 return -1;
 897         *pos++ = '\0';
 898
 899         if (os_strcmp(cmd, "NDEF") != 0)
 900                 return -1;
 901
 902         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
 903                 return wpas_ctrl_nfc_get_handover_req_wps(
 904                         wpa_s, reply, max_len, os_strcmp(pos, "WPS-CR") == 0);
 905         }
 906
 907         return -1;
 908 }
 909
 910
 911 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
 912                                               char *reply, size_t max_len,
 913                                               int ndef, int cr, char *uuid)
 914 {
 915         struct wpabuf *buf;
 916         int res;
 917
 918         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
 919         if (buf == NULL)
 920                 return -1;
 921
 922         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 923                                          wpabuf_len(buf));
 924         reply[res++] = '\n';
 925         reply[res] = '\0';
 926
 927         wpabuf_free(buf);
 928
 929         return res;
 930 }
 931
 932
 933 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
 934                                           char *cmd, char *reply,
 935                                           size_t max_len)
 936 {
 937         char *pos, *pos2;
 938         int ndef;
 939
 940         pos = os_strchr(cmd, ' ');
 941         if (pos == NULL)
 942                 return -1;
 943         *pos++ = '\0';
 944
 945         if (os_strcmp(cmd, "WPS") == 0)
 946                 ndef = 0;
 947         else if (os_strcmp(cmd, "NDEF") == 0)
 948                 ndef = 1;
 949         else
 950                 return -1;
 951
 952         pos2 = os_strchr(pos, ' ');
 953         if (pos2)
 954                 *pos2++ = '\0';
 955         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
 956                 return wpas_ctrl_nfc_get_handover_sel_wps(
 957                         wpa_s, reply, max_len, ndef,
 958                         os_strcmp(pos, "WPS-CR") == 0, pos2);
 959         }
 960
 961         return -1;
 962 }
 963
 964
 965 static int wpas_ctrl_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
 966                                          char *cmd, char *reply,
 967                                          size_t max_len)
 968 {
 969         size_t len;
 970         struct wpabuf *buf;
 971         int ret;
 972
 973         len = os_strlen(cmd);
 974         if (len & 0x01)
 975                 return -1;
 976         len /= 2;
 977
 978         buf = wpabuf_alloc(len);
 979         if (buf == NULL)
 980                 return -1;
 981         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
 982                 wpabuf_free(buf);
 983                 return -1;
 984         }
 985
 986         ret = wpas_wps_nfc_rx_handover_req(wpa_s, buf);
 987         wpabuf_free(buf);
 988
 989         return ret;
 990 }
 991
 992
 993 static int wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
 994                                          char *cmd)
 995 {
 996         size_t len;
 997         struct wpabuf *buf;
 998         int ret;
 999
1000         len = os_strlen(cmd);
1001         if (len & 0x01)
1002                 return -1;
1003         len /= 2;
1004
1005         buf = wpabuf_alloc(len);
1006         if (buf == NULL)
1007                 return -1;
1008         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
1009                 wpabuf_free(buf);
1010                 return -1;
1011         }
1012
1013         ret = wpas_wps_nfc_rx_handover_sel(wpa_s, buf);
1014         wpabuf_free(buf);
1015
1016         return ret;
1017 }
1018
1019
1020 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1021                                          char *cmd)
1022 {
1023         size_t len;
1024         struct wpabuf *req, *sel;
1025         int ret;
1026         char *pos, *role, *type, *pos2;
1027
1028         role = cmd;
1029         pos = os_strchr(role, ' ');
1030         if (pos == NULL)
1031                 return -1;
1032         *pos++ = '\0';
1033
1034         type = pos;
1035         pos = os_strchr(type, ' ');
1036         if (pos == NULL)
1037                 return -1;
1038         *pos++ = '\0';
1039
1040         pos2 = os_strchr(pos, ' ');
1041         if (pos2 == NULL)
1042                 return -1;
1043         *pos2++ = '\0';
1044
1045         len = os_strlen(pos);
1046         if (len & 0x01)
1047                 return -1;
1048         len /= 2;
1049
1050         req = wpabuf_alloc(len);
1051         if (req == NULL)
1052                 return -1;
1053         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1054                 wpabuf_free(req);
1055                 return -1;
1056         }
1057
1058         len = os_strlen(pos2);
1059         if (len & 0x01) {
1060                 wpabuf_free(req);
1061                 return -1;
1062         }
1063         len /= 2;
1064
1065         sel = wpabuf_alloc(len);
1066         if (sel == NULL) {
1067                 wpabuf_free(req);
1068                 return -1;
1069         }
1070         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1071                 wpabuf_free(req);
1072                 wpabuf_free(sel);
1073                 return -1;
1074         }
1075
1076         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1077                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1078         } else {
1079                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1080                            "reported: role=%s type=%s", role, type);
1081                 ret = -1;
1082         }
1083         wpabuf_free(req);
1084         wpabuf_free(sel);
1085
1086         return ret;
1087 }
1088
1089 #endif /* CONFIG_WPS_NFC */
1090
1091
1092 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1093                                              char *cmd)
1094 {
1095         u8 bssid[ETH_ALEN];
1096         char *pin;
1097         char *new_ssid;
1098         char *new_auth;
1099         char *new_encr;
1100         char *new_key;
1101         struct wps_new_ap_settings ap;
1102
1103         pin = os_strchr(cmd, ' ');
1104         if (pin == NULL)
1105                 return -1;
1106         *pin++ = '\0';
1107
1108         if (hwaddr_aton(cmd, bssid)) {
1109                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1110                            cmd);
1111                 return -1;
1112         }
1113
1114         new_ssid = os_strchr(pin, ' ');
1115         if (new_ssid == NULL)
1116                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1117         *new_ssid++ = '\0';
1118
1119         new_auth = os_strchr(new_ssid, ' ');
1120         if (new_auth == NULL)
1121                 return -1;
1122         *new_auth++ = '\0';
1123
1124         new_encr = os_strchr(new_auth, ' ');
1125         if (new_encr == NULL)
1126                 return -1;
1127         *new_encr++ = '\0';
1128
1129         new_key = os_strchr(new_encr, ' ');
1130         if (new_key == NULL)
1131                 return -1;
1132         *new_key++ = '\0';
1133
1134         os_memset(&ap, 0, sizeof(ap));
1135         ap.ssid_hex = new_ssid;
1136         ap.auth = new_auth;
1137         ap.encr = new_encr;
1138         ap.key_hex = new_key;
1139         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1140 }
1141
1142
1143 #ifdef CONFIG_AP
1144 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1145                                                 char *cmd, char *buf,
1146                                                 size_t buflen)
1147 {
1148         int timeout = 300;
1149         char *pos;
1150         const char *pin_txt;
1151
1152         if (!wpa_s->ap_iface)
1153                 return -1;
1154
1155         pos = os_strchr(cmd, ' ');
1156         if (pos)
1157                 *pos++ = '\0';
1158
1159         if (os_strcmp(cmd, "disable") == 0) {
1160                 wpas_wps_ap_pin_disable(wpa_s);
1161                 return os_snprintf(buf, buflen, "OK\n");
1162         }
1163
1164         if (os_strcmp(cmd, "random") == 0) {
1165                 if (pos)
1166                         timeout = atoi(pos);
1167                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1168                 if (pin_txt == NULL)
1169                         return -1;
1170                 return os_snprintf(buf, buflen, "%s", pin_txt);
1171         }
1172
1173         if (os_strcmp(cmd, "get") == 0) {
1174                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1175                 if (pin_txt == NULL)
1176                         return -1;
1177                 return os_snprintf(buf, buflen, "%s", pin_txt);
1178         }
1179
1180         if (os_strcmp(cmd, "set") == 0) {
1181                 char *pin;
1182                 if (pos == NULL)
1183                         return -1;
1184                 pin = pos;
1185                 pos = os_strchr(pos, ' ');
1186                 if (pos) {
1187                         *pos++ = '\0';
1188                         timeout = atoi(pos);
1189                 }
1190                 if (os_strlen(pin) > buflen)
1191                         return -1;
1192                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1193                         return -1;
1194                 return os_snprintf(buf, buflen, "%s", pin);
1195         }
1196
1197         return -1;
1198 }
1199 #endif /* CONFIG_AP */
1200
1201
1202 #ifdef CONFIG_WPS_ER
1203 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1204                                                 char *cmd)
1205 {
1206         char *uuid = cmd, *pin, *pos;
1207         u8 addr_buf[ETH_ALEN], *addr = NULL;
1208         pin = os_strchr(uuid, ' ');
1209         if (pin == NULL)
1210                 return -1;
1211         *pin++ = '\0';
1212         pos = os_strchr(pin, ' ');
1213         if (pos) {
1214                 *pos++ = '\0';
1215                 if (hwaddr_aton(pos, addr_buf) == 0)
1216                         addr = addr_buf;
1217         }
1218         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1219 }
1220
1221
1222 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1223                                                   char *cmd)
1224 {
1225         char *uuid = cmd, *pin;
1226         pin = os_strchr(uuid, ' ');
1227         if (pin == NULL)
1228                 return -1;
1229         *pin++ = '\0';
1230         return wpas_wps_er_learn(wpa_s, uuid, pin);
1231 }
1232
1233
1234 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1235         struct wpa_supplicant *wpa_s, char *cmd)
1236 {
1237         char *uuid = cmd, *id;
1238         id = os_strchr(uuid, ' ');
1239         if (id == NULL)
1240                 return -1;
1241         *id++ = '\0';
1242         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1243 }
1244
1245
1246 static int wpa_supplicant_ctrl_iface_wps_er_config(
1247         struct wpa_supplicant *wpa_s, char *cmd)
1248 {
1249         char *pin;
1250         char *new_ssid;
1251         char *new_auth;
1252         char *new_encr;
1253         char *new_key;
1254         struct wps_new_ap_settings ap;
1255
1256         pin = os_strchr(cmd, ' ');
1257         if (pin == NULL)
1258                 return -1;
1259         *pin++ = '\0';
1260
1261         new_ssid = os_strchr(pin, ' ');
1262         if (new_ssid == NULL)
1263                 return -1;
1264         *new_ssid++ = '\0';
1265
1266         new_auth = os_strchr(new_ssid, ' ');
1267         if (new_auth == NULL)
1268                 return -1;
1269         *new_auth++ = '\0';
1270
1271         new_encr = os_strchr(new_auth, ' ');
1272         if (new_encr == NULL)
1273                 return -1;
1274         *new_encr++ = '\0';
1275
1276         new_key = os_strchr(new_encr, ' ');
1277         if (new_key == NULL)
1278                 return -1;
1279         *new_key++ = '\0';
1280
1281         os_memset(&ap, 0, sizeof(ap));
1282         ap.ssid_hex = new_ssid;
1283         ap.auth = new_auth;
1284         ap.encr = new_encr;
1285         ap.key_hex = new_key;
1286         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1287 }
1288
1289
1290 #ifdef CONFIG_WPS_NFC
1291 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1292         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1293 {
1294         int ndef;
1295         struct wpabuf *buf;
1296         int res;
1297         char *uuid;
1298
1299         uuid = os_strchr(cmd, ' ');
1300         if (uuid == NULL)
1301                 return -1;
1302         *uuid++ = '\0';
1303
1304         if (os_strcmp(cmd, "WPS") == 0)
1305                 ndef = 0;
1306         else if (os_strcmp(cmd, "NDEF") == 0)
1307                 ndef = 1;
1308         else
1309                 return -1;
1310
1311         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1312         if (buf == NULL)
1313                 return -1;
1314
1315         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1316                                          wpabuf_len(buf));
1317         reply[res++] = '\n';
1318         reply[res] = '\0';
1319
1320         wpabuf_free(buf);
1321
1322         return res;
1323 }
1324 #endif /* CONFIG_WPS_NFC */
1325 #endif /* CONFIG_WPS_ER */
1326
1327 #endif /* CONFIG_WPS */
1328
1329
1330 #ifdef CONFIG_IBSS_RSN
1331 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1332         struct wpa_supplicant *wpa_s, char *addr)
1333 {
1334         u8 peer[ETH_ALEN];
1335
1336         if (hwaddr_aton(addr, peer)) {
1337                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1338                            "address '%s'", addr);
1339                 return -1;
1340         }
1341
1342         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1343                    MAC2STR(peer));
1344
1345         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1346 }
1347 #endif /* CONFIG_IBSS_RSN */
1348
1349
1350 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1351                                               char *rsp)
1352 {
1353 #ifdef IEEE8021X_EAPOL
1354         char *pos, *id_pos;
1355         int id;
1356         struct wpa_ssid *ssid;
1357
1358         pos = os_strchr(rsp, '-');
1359         if (pos == NULL)
1360                 return -1;
1361         *pos++ = '\0';
1362         id_pos = pos;
1363         pos = os_strchr(pos, ':');
1364         if (pos == NULL)
1365                 return -1;
1366         *pos++ = '\0';
1367         id = atoi(id_pos);
1368         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1369         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1370                               (u8 *) pos, os_strlen(pos));
1371
1372         ssid = wpa_config_get_network(wpa_s->conf, id);
1373         if (ssid == NULL) {
1374                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1375                            "to update", id);
1376                 return -1;
1377         }
1378
1379         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1380                                                          pos);
1381 #else /* IEEE8021X_EAPOL */
1382         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1383         return -1;
1384 #endif /* IEEE8021X_EAPOL */
1385 }
1386
1387
1388 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1389                                             const char *params,
1390                                             char *buf, size_t buflen)
1391 {
1392         char *pos, *end, tmp[30];
1393         int res, verbose, wps, ret;
1394
1395         verbose = os_strcmp(params, "-VERBOSE") == 0;
1396         wps = os_strcmp(params, "-WPS") == 0;
1397         pos = buf;
1398         end = buf + buflen;
1399         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1400                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1401                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1402                                   MAC2STR(wpa_s->bssid));
1403                 if (ret < 0 || ret >= end - pos)
1404                         return pos - buf;
1405                 pos += ret;
1406                 if (ssid) {
1407                         u8 *_ssid = ssid->ssid;
1408                         size_t ssid_len = ssid->ssid_len;
1409                         u8 ssid_buf[MAX_SSID_LEN];
1410                         if (ssid_len == 0) {
1411                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1412                                 if (_res < 0)
1413                                         ssid_len = 0;
1414                                 else
1415                                         ssid_len = _res;
1416                                 _ssid = ssid_buf;
1417                         }
1418                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1419                                           wpa_ssid_txt(_ssid, ssid_len),
1420                                           ssid->id);
1421                         if (ret < 0 || ret >= end - pos)
1422                                 return pos - buf;
1423                         pos += ret;
1424
1425                         if (wps && ssid->passphrase &&
1426                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1427                             (ssid->mode == WPAS_MODE_AP ||
1428                              ssid->mode == WPAS_MODE_P2P_GO)) {
1429                                 ret = os_snprintf(pos, end - pos,
1430                                                   "passphrase=%s\n",
1431                                                   ssid->passphrase);
1432                                 if (ret < 0 || ret >= end - pos)
1433                                         return pos - buf;
1434                                 pos += ret;
1435                         }
1436                         if (ssid->id_str) {
1437                                 ret = os_snprintf(pos, end - pos,
1438                                                   "id_str=%s\n",
1439                                                   ssid->id_str);
1440                                 if (ret < 0 || ret >= end - pos)
1441                                         return pos - buf;
1442                                 pos += ret;
1443                         }
1444
1445                         switch (ssid->mode) {
1446                         case WPAS_MODE_INFRA:
1447                                 ret = os_snprintf(pos, end - pos,
1448                                                   "mode=station\n");
1449                                 break;
1450                         case WPAS_MODE_IBSS:
1451                                 ret = os_snprintf(pos, end - pos,
1452                                                   "mode=IBSS\n");
1453                                 break;
1454                         case WPAS_MODE_AP:
1455                                 ret = os_snprintf(pos, end - pos,
1456                                                   "mode=AP\n");
1457                                 break;
1458                         case WPAS_MODE_P2P_GO:
1459                                 ret = os_snprintf(pos, end - pos,
1460                                                   "mode=P2P GO\n");
1461                                 break;
1462                         case WPAS_MODE_P2P_GROUP_FORMATION:
1463                                 ret = os_snprintf(pos, end - pos,
1464                                                   "mode=P2P GO - group "
1465                                                   "formation\n");
1466                                 break;
1467                         default:
1468                                 ret = 0;
1469                                 break;
1470                         }
1471                         if (ret < 0 || ret >= end - pos)
1472                                 return pos - buf;
1473                         pos += ret;
1474                 }
1475
1476 #ifdef CONFIG_AP
1477                 if (wpa_s->ap_iface) {
1478                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1479                                                             end - pos,
1480                                                             verbose);
1481                 } else
1482 #endif /* CONFIG_AP */
1483                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1484         }
1485 #ifdef CONFIG_SAE
1486         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1487             wpa_s->sme.sae.state == SAE_ACCEPTED && !wpa_s->ap_iface) {
1488                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1489                                   wpa_s->sme.sae.group);
1490                 if (ret < 0 || ret >= end - pos)
1491                         return pos - buf;
1492                 pos += ret;
1493         }
1494 #endif /* CONFIG_SAE */
1495         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1496                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1497         if (ret < 0 || ret >= end - pos)
1498                 return pos - buf;
1499         pos += ret;
1500
1501         if (wpa_s->l2 &&
1502             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1503                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1504                 if (ret < 0 || ret >= end - pos)
1505                         return pos - buf;
1506                 pos += ret;
1507         }
1508
1509 #ifdef CONFIG_P2P
1510         if (wpa_s->global->p2p) {
1511                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1512                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1513                 if (ret < 0 || ret >= end - pos)
1514                         return pos - buf;
1515                 pos += ret;
1516         }
1517 #endif /* CONFIG_P2P */
1518
1519         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1520                           MAC2STR(wpa_s->own_addr));
1521         if (ret < 0 || ret >= end - pos)
1522                 return pos - buf;
1523         pos += ret;
1524
1525 #ifdef CONFIG_HS20
1526         if (wpa_s->current_bss &&
1527             wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE) &&
1528             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1529             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1530                 ret = os_snprintf(pos, end - pos, "hs20=1\n");
1531                 if (ret < 0 || ret >= end - pos)
1532                         return pos - buf;
1533                 pos += ret;
1534         }
1535
1536         if (wpa_s->current_ssid) {
1537                 struct wpa_cred *cred;
1538                 char *type;
1539
1540                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1541                         if (wpa_s->current_ssid->parent_cred != cred)
1542                                 continue;
1543                         if (!cred->domain)
1544                                 continue;
1545
1546                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1547                                           cred->domain);
1548                         if (ret < 0 || ret >= end - pos)
1549                                 return pos - buf;
1550                         pos += ret;
1551
1552                         if (wpa_s->current_bss == NULL ||
1553                             wpa_s->current_bss->anqp == NULL)
1554                                 res = -1;
1555                         else
1556                                 res = interworking_home_sp_cred(
1557                                         wpa_s, cred,
1558                                         wpa_s->current_bss->anqp->domain_name);
1559                         if (res > 0)
1560                                 type = "home";
1561                         else if (res == 0)
1562                                 type = "roaming";
1563                         else
1564                                 type = "unknown";
1565
1566                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1567                         if (ret < 0 || ret >= end - pos)
1568                                 return pos - buf;
1569                         pos += ret;
1570
1571                         break;
1572                 }
1573         }
1574 #endif /* CONFIG_HS20 */
1575
1576         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1577             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1578                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1579                                           verbose);
1580                 if (res >= 0)
1581                         pos += res;
1582         }
1583
1584         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1585         if (res >= 0)
1586                 pos += res;
1587
1588         return pos - buf;
1589 }
1590
1591
1592 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1593                                            char *cmd)
1594 {
1595         char *pos;
1596         int id;
1597         struct wpa_ssid *ssid;
1598         u8 bssid[ETH_ALEN];
1599
1600         /* cmd: "<network id> <BSSID>" */
1601         pos = os_strchr(cmd, ' ');
1602         if (pos == NULL)
1603                 return -1;
1604         *pos++ = '\0';
1605         id = atoi(cmd);
1606         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1607         if (hwaddr_aton(pos, bssid)) {
1608                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1609                 return -1;
1610         }
1611
1612         ssid = wpa_config_get_network(wpa_s->conf, id);
1613         if (ssid == NULL) {
1614                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1615                            "to update", id);
1616                 return -1;
1617         }
1618
1619         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1620         ssid->bssid_set = !is_zero_ether_addr(bssid);
1621
1622         return 0;
1623 }
1624
1625
1626 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1627                                                char *cmd, char *buf,
1628                                                size_t buflen)
1629 {
1630         u8 bssid[ETH_ALEN];
1631         struct wpa_blacklist *e;
1632         char *pos, *end;
1633         int ret;
1634
1635         /* cmd: "BLACKLIST [<BSSID>]" */
1636         if (*cmd == '\0') {
1637                 pos = buf;
1638                 end = buf + buflen;
1639                 e = wpa_s->blacklist;
1640                 while (e) {
1641                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1642                                           MAC2STR(e->bssid));
1643                         if (ret < 0 || ret >= end - pos)
1644                                 return pos - buf;
1645                         pos += ret;
1646                         e = e->next;
1647                 }
1648                 return pos - buf;
1649         }
1650
1651         cmd++;
1652         if (os_strncmp(cmd, "clear", 5) == 0) {
1653                 wpa_blacklist_clear(wpa_s);
1654                 os_memcpy(buf, "OK\n", 3);
1655                 return 3;
1656         }
1657
1658         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1659         if (hwaddr_aton(cmd, bssid)) {
1660                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1661                 return -1;
1662         }
1663
1664         /*
1665          * Add the BSSID twice, so its count will be 2, causing it to be
1666          * skipped when processing scan results.
1667          */
1668         ret = wpa_blacklist_add(wpa_s, bssid);
1669         if (ret != 0)
1670                 return -1;
1671         ret = wpa_blacklist_add(wpa_s, bssid);
1672         if (ret != 0)
1673                 return -1;
1674         os_memcpy(buf, "OK\n", 3);
1675         return 3;
1676 }
1677
1678
1679 extern int wpa_debug_level;
1680 extern int wpa_debug_timestamp;
1681
1682 static const char * debug_level_str(int level)
1683 {
1684         switch (level) {
1685         case MSG_EXCESSIVE:
1686                 return "EXCESSIVE";
1687         case MSG_MSGDUMP:
1688                 return "MSGDUMP";
1689         case MSG_DEBUG:
1690                 return "DEBUG";
1691         case MSG_INFO:
1692                 return "INFO";
1693         case MSG_WARNING:
1694                 return "WARNING";
1695         case MSG_ERROR:
1696                 return "ERROR";
1697         default:
1698                 return "?";
1699         }
1700 }
1701
1702
1703 static int str_to_debug_level(const char *s)
1704 {
1705         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1706                 return MSG_EXCESSIVE;
1707         if (os_strcasecmp(s, "MSGDUMP") == 0)
1708                 return MSG_MSGDUMP;
1709         if (os_strcasecmp(s, "DEBUG") == 0)
1710                 return MSG_DEBUG;
1711         if (os_strcasecmp(s, "INFO") == 0)
1712                 return MSG_INFO;
1713         if (os_strcasecmp(s, "WARNING") == 0)
1714                 return MSG_WARNING;
1715         if (os_strcasecmp(s, "ERROR") == 0)
1716                 return MSG_ERROR;
1717         return -1;
1718 }
1719
1720
1721 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1722                                                char *cmd, char *buf,
1723                                                size_t buflen)
1724 {
1725         char *pos, *end, *stamp;
1726         int ret;
1727
1728         if (cmd == NULL) {
1729                 return -1;
1730         }
1731
1732         /* cmd: "LOG_LEVEL [<level>]" */
1733         if (*cmd == '\0') {
1734                 pos = buf;
1735                 end = buf + buflen;
1736                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1737                                   "Timestamp: %d\n",
1738                                   debug_level_str(wpa_debug_level),
1739                                   wpa_debug_timestamp);
1740                 if (ret < 0 || ret >= end - pos)
1741                         ret = 0;
1742
1743                 return ret;
1744         }
1745
1746         while (*cmd == ' ')
1747                 cmd++;
1748
1749         stamp = os_strchr(cmd, ' ');
1750         if (stamp) {
1751                 *stamp++ = '\0';
1752                 while (*stamp == ' ') {
1753                         stamp++;
1754                 }
1755         }
1756
1757         if (cmd && os_strlen(cmd)) {
1758                 int level = str_to_debug_level(cmd);
1759                 if (level < 0)
1760                         return -1;
1761                 wpa_debug_level = level;
1762         }
1763
1764         if (stamp && os_strlen(stamp))
1765                 wpa_debug_timestamp = atoi(stamp);
1766
1767         os_memcpy(buf, "OK\n", 3);
1768         return 3;
1769 }
1770
1771
1772 static int wpa_supplicant_ctrl_iface_list_networks(
1773         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1774 {
1775         char *pos, *end;
1776         struct wpa_ssid *ssid;
1777         int ret;
1778
1779         pos = buf;
1780         end = buf + buflen;
1781         ret = os_snprintf(pos, end - pos,
1782                           "network id / ssid / bssid / flags\n");
1783         if (ret < 0 || ret >= end - pos)
1784                 return pos - buf;
1785         pos += ret;
1786
1787         ssid = wpa_s->conf->ssid;
1788         while (ssid) {
1789                 ret = os_snprintf(pos, end - pos, "%d\t%s",
1790                                   ssid->id,
1791                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1792                 if (ret < 0 || ret >= end - pos)
1793                         return pos - buf;
1794                 pos += ret;
1795                 if (ssid->bssid_set) {
1796                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1797                                           MAC2STR(ssid->bssid));
1798                 } else {
1799                         ret = os_snprintf(pos, end - pos, "\tany");
1800                 }
1801                 if (ret < 0 || ret >= end - pos)
1802                         return pos - buf;
1803                 pos += ret;
1804                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
1805                                   ssid == wpa_s->current_ssid ?
1806                                   "[CURRENT]" : "",
1807                                   ssid->disabled ? "[DISABLED]" : "",
1808                                   ssid->disabled_until.sec ?
1809                                   "[TEMP-DISABLED]" : "",
1810                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1811                                   "");
1812                 if (ret < 0 || ret >= end - pos)
1813                         return pos - buf;
1814                 pos += ret;
1815                 ret = os_snprintf(pos, end - pos, "\n");
1816                 if (ret < 0 || ret >= end - pos)
1817                         return pos - buf;
1818                 pos += ret;
1819
1820                 ssid = ssid->next;
1821         }
1822
1823         return pos - buf;
1824 }
1825
1826
1827 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1828 {
1829         int ret;
1830         ret = os_snprintf(pos, end - pos, "-");
1831         if (ret < 0 || ret >= end - pos)
1832                 return pos;
1833         pos += ret;
1834         ret = wpa_write_ciphers(pos, end, cipher, "+");
1835         if (ret < 0)
1836                 return pos;
1837         pos += ret;
1838         return pos;
1839 }
1840
1841
1842 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1843                                     const u8 *ie, size_t ie_len)
1844 {
1845         struct wpa_ie_data data;
1846         int first, ret;
1847
1848         ret = os_snprintf(pos, end - pos, "[%s-", proto);
1849         if (ret < 0 || ret >= end - pos)
1850                 return pos;
1851         pos += ret;
1852
1853         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1854                 ret = os_snprintf(pos, end - pos, "?]");
1855                 if (ret < 0 || ret >= end - pos)
1856                         return pos;
1857                 pos += ret;
1858                 return pos;
1859         }
1860
1861         first = 1;
1862         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1863                 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1864                 if (ret < 0 || ret >= end - pos)
1865                         return pos;
1866                 pos += ret;
1867                 first = 0;
1868         }
1869         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1870                 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1871                 if (ret < 0 || ret >= end - pos)
1872                         return pos;
1873                 pos += ret;
1874                 first = 0;
1875         }
1876         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1877                 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1878                 if (ret < 0 || ret >= end - pos)
1879                         return pos;
1880                 pos += ret;
1881                 first = 0;
1882         }
1883 #ifdef CONFIG_IEEE80211R
1884         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1885                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1886                                   first ? "" : "+");
1887                 if (ret < 0 || ret >= end - pos)
1888                         return pos;
1889                 pos += ret;
1890                 first = 0;
1891         }
1892         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1893                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1894                                   first ? "" : "+");
1895                 if (ret < 0 || ret >= end - pos)
1896                         return pos;
1897                 pos += ret;
1898                 first = 0;
1899         }
1900 #endif /* CONFIG_IEEE80211R */
1901 #ifdef CONFIG_IEEE80211W
1902         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1903                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1904                                   first ? "" : "+");
1905                 if (ret < 0 || ret >= end - pos)
1906                         return pos;
1907                 pos += ret;
1908                 first = 0;
1909         }
1910         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1911                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1912                                   first ? "" : "+");
1913                 if (ret < 0 || ret >= end - pos)
1914                         return pos;
1915                 pos += ret;
1916                 first = 0;
1917         }
1918 #endif /* CONFIG_IEEE80211W */
1919
1920         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1921
1922         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1923                 ret = os_snprintf(pos, end - pos, "-preauth");
1924                 if (ret < 0 || ret >= end - pos)
1925                         return pos;
1926                 pos += ret;
1927         }
1928
1929         ret = os_snprintf(pos, end - pos, "]");
1930         if (ret < 0 || ret >= end - pos)
1931                 return pos;
1932         pos += ret;
1933
1934         return pos;
1935 }
1936
1937
1938 #ifdef CONFIG_WPS
1939 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
1940                                             char *pos, char *end,
1941                                             struct wpabuf *wps_ie)
1942 {
1943         int ret;
1944         const char *txt;
1945
1946         if (wps_ie == NULL)
1947                 return pos;
1948         if (wps_is_selected_pbc_registrar(wps_ie))
1949                 txt = "[WPS-PBC]";
1950 #ifdef CONFIG_WPS2
1951         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
1952                 txt = "[WPS-AUTH]";
1953 #endif /* CONFIG_WPS2 */
1954         else if (wps_is_selected_pin_registrar(wps_ie))
1955                 txt = "[WPS-PIN]";
1956         else
1957                 txt = "[WPS]";
1958
1959         ret = os_snprintf(pos, end - pos, "%s", txt);
1960         if (ret >= 0 && ret < end - pos)
1961                 pos += ret;
1962         wpabuf_free(wps_ie);
1963         return pos;
1964 }
1965 #endif /* CONFIG_WPS */
1966
1967
1968 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
1969                                         char *pos, char *end,
1970                                         const struct wpa_bss *bss)
1971 {
1972 #ifdef CONFIG_WPS
1973         struct wpabuf *wps_ie;
1974         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1975         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
1976 #else /* CONFIG_WPS */
1977         return pos;
1978 #endif /* CONFIG_WPS */
1979 }
1980
1981
1982 /* Format one result on one text line into a buffer. */
1983 static int wpa_supplicant_ctrl_iface_scan_result(
1984         struct wpa_supplicant *wpa_s,
1985         const struct wpa_bss *bss, char *buf, size_t buflen)
1986 {
1987         char *pos, *end;
1988         int ret;
1989         const u8 *ie, *ie2, *p2p;
1990
1991         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
1992         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
1993             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
1994             0)
1995                 return 0; /* Do not show P2P listen discovery results here */
1996
1997         pos = buf;
1998         end = buf + buflen;
1999
2000         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2001                           MAC2STR(bss->bssid), bss->freq, bss->level);
2002         if (ret < 0 || ret >= end - pos)
2003                 return -1;
2004         pos += ret;
2005         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2006         if (ie)
2007                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2008         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2009         if (ie2)
2010                 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
2011         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2012         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2013                 ret = os_snprintf(pos, end - pos, "[WEP]");
2014                 if (ret < 0 || ret >= end - pos)
2015                         return -1;
2016                 pos += ret;
2017         }
2018         if (bss->caps & IEEE80211_CAP_IBSS) {
2019                 ret = os_snprintf(pos, end - pos, "[IBSS]");
2020                 if (ret < 0 || ret >= end - pos)
2021                         return -1;
2022                 pos += ret;
2023         }
2024         if (bss->caps & IEEE80211_CAP_ESS) {
2025                 ret = os_snprintf(pos, end - pos, "[ESS]");
2026                 if (ret < 0 || ret >= end - pos)
2027                         return -1;
2028                 pos += ret;
2029         }
2030         if (p2p) {
2031                 ret = os_snprintf(pos, end - pos, "[P2P]");
2032                 if (ret < 0 || ret >= end - pos)
2033                         return -1;
2034                 pos += ret;
2035         }
2036 #ifdef CONFIG_HS20
2037         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2038                 ret = os_snprintf(pos, end - pos, "[HS20]");
2039                 if (ret < 0 || ret >= end - pos)
2040                         return -1;
2041                 pos += ret;
2042         }
2043 #endif /* CONFIG_HS20 */
2044
2045         ret = os_snprintf(pos, end - pos, "\t%s",
2046                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2047         if (ret < 0 || ret >= end - pos)
2048                 return -1;
2049         pos += ret;
2050
2051         ret = os_snprintf(pos, end - pos, "\n");
2052         if (ret < 0 || ret >= end - pos)
2053                 return -1;
2054         pos += ret;
2055
2056         return pos - buf;
2057 }
2058
2059
2060 static int wpa_supplicant_ctrl_iface_scan_results(
2061         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2062 {
2063         char *pos, *end;
2064         struct wpa_bss *bss;
2065         int ret;
2066
2067         pos = buf;
2068         end = buf + buflen;
2069         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2070                           "flags / ssid\n");
2071         if (ret < 0 || ret >= end - pos)
2072                 return pos - buf;
2073         pos += ret;
2074
2075         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2076                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2077                                                             end - pos);
2078                 if (ret < 0 || ret >= end - pos)
2079                         return pos - buf;
2080                 pos += ret;
2081         }
2082
2083         return pos - buf;
2084 }
2085
2086
2087 static int wpa_supplicant_ctrl_iface_select_network(
2088         struct wpa_supplicant *wpa_s, char *cmd)
2089 {
2090         int id;
2091         struct wpa_ssid *ssid;
2092
2093         /* cmd: "<network id>" or "any" */
2094         if (os_strcmp(cmd, "any") == 0) {
2095                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2096                 ssid = NULL;
2097         } else {
2098                 id = atoi(cmd);
2099                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2100
2101                 ssid = wpa_config_get_network(wpa_s->conf, id);
2102                 if (ssid == NULL) {
2103                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2104                                    "network id=%d", id);
2105                         return -1;
2106                 }
2107                 if (ssid->disabled == 2) {
2108                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2109                                    "SELECT_NETWORK with persistent P2P group");
2110                         return -1;
2111                 }
2112         }
2113
2114         wpa_supplicant_select_network(wpa_s, ssid);
2115
2116         return 0;
2117 }
2118
2119
2120 static int wpa_supplicant_ctrl_iface_enable_network(
2121         struct wpa_supplicant *wpa_s, char *cmd)
2122 {
2123         int id;
2124         struct wpa_ssid *ssid;
2125
2126         /* cmd: "<network id>" or "all" */
2127         if (os_strcmp(cmd, "all") == 0) {
2128                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2129                 ssid = NULL;
2130         } else {
2131                 id = atoi(cmd);
2132                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2133
2134                 ssid = wpa_config_get_network(wpa_s->conf, id);
2135                 if (ssid == NULL) {
2136                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2137                                    "network id=%d", id);
2138                         return -1;
2139                 }
2140                 if (ssid->disabled == 2) {
2141                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2142                                    "ENABLE_NETWORK with persistent P2P group");
2143                         return -1;
2144                 }
2145
2146                 if (os_strstr(cmd, " no-connect")) {
2147                         ssid->disabled = 0;
2148                         return 0;
2149                 }
2150         }
2151         wpa_supplicant_enable_network(wpa_s, ssid);
2152
2153         return 0;
2154 }
2155
2156
2157 static int wpa_supplicant_ctrl_iface_disable_network(
2158         struct wpa_supplicant *wpa_s, char *cmd)
2159 {
2160         int id;
2161         struct wpa_ssid *ssid;
2162
2163         /* cmd: "<network id>" or "all" */
2164         if (os_strcmp(cmd, "all") == 0) {
2165                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2166                 ssid = NULL;
2167         } else {
2168                 id = atoi(cmd);
2169                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2170
2171                 ssid = wpa_config_get_network(wpa_s->conf, id);
2172                 if (ssid == NULL) {
2173                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2174                                    "network id=%d", id);
2175                         return -1;
2176                 }
2177                 if (ssid->disabled == 2) {
2178                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2179                                    "DISABLE_NETWORK with persistent P2P "
2180                                    "group");
2181                         return -1;
2182                 }
2183         }
2184         wpa_supplicant_disable_network(wpa_s, ssid);
2185
2186         return 0;
2187 }
2188
2189
2190 static int wpa_supplicant_ctrl_iface_add_network(
2191         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2192 {
2193         struct wpa_ssid *ssid;
2194         int ret;
2195
2196         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2197
2198         ssid = wpa_config_add_network(wpa_s->conf);
2199         if (ssid == NULL)
2200                 return -1;
2201
2202         wpas_notify_network_added(wpa_s, ssid);
2203
2204         ssid->disabled = 1;
2205         wpa_config_set_network_defaults(ssid);
2206
2207         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2208         if (ret < 0 || (size_t) ret >= buflen)
2209                 return -1;
2210         return ret;
2211 }
2212
2213
2214 static int wpa_supplicant_ctrl_iface_remove_network(
2215         struct wpa_supplicant *wpa_s, char *cmd)
2216 {
2217         int id;
2218         struct wpa_ssid *ssid;
2219
2220         /* cmd: "<network id>" or "all" */
2221         if (os_strcmp(cmd, "all") == 0) {
2222                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2223                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2224                 if (wpa_s->current_ssid) {
2225 #ifdef CONFIG_SME
2226                         wpa_s->sme.prev_bssid_set = 0;
2227 #endif /* CONFIG_SME */
2228                         wpa_sm_set_config(wpa_s->wpa, NULL);
2229                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2230                         wpa_supplicant_deauthenticate(
2231                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2232                 }
2233                 ssid = wpa_s->conf->ssid;
2234                 while (ssid) {
2235                         struct wpa_ssid *remove_ssid = ssid;
2236                         id = ssid->id;
2237                         ssid = ssid->next;
2238                         wpas_notify_network_removed(wpa_s, remove_ssid);
2239                         wpa_config_remove_network(wpa_s->conf, id);
2240                 }
2241                 return 0;
2242         }
2243
2244         id = atoi(cmd);
2245         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2246
2247         ssid = wpa_config_get_network(wpa_s->conf, id);
2248         if (ssid)
2249                 wpas_notify_network_removed(wpa_s, ssid);
2250         if (ssid == NULL) {
2251                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2252                            "id=%d", id);
2253                 return -1;
2254         }
2255
2256         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2257 #ifdef CONFIG_SME
2258                 wpa_s->sme.prev_bssid_set = 0;
2259 #endif /* CONFIG_SME */
2260                 /*
2261                  * Invalidate the EAP session cache if the current or
2262                  * previously used network is removed.
2263                  */
2264                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2265         }
2266
2267         if (ssid == wpa_s->current_ssid) {
2268                 wpa_sm_set_config(wpa_s->wpa, NULL);
2269                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2270
2271                 wpa_supplicant_deauthenticate(wpa_s,
2272                                               WLAN_REASON_DEAUTH_LEAVING);
2273         }
2274
2275         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2276                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2277                            "network id=%d", id);
2278                 return -1;
2279         }
2280
2281         return 0;
2282 }
2283
2284
2285 static int wpa_supplicant_ctrl_iface_set_network(
2286         struct wpa_supplicant *wpa_s, char *cmd)
2287 {
2288         int id;
2289         struct wpa_ssid *ssid;
2290         char *name, *value;
2291
2292         /* cmd: "<network id> <variable name> <value>" */
2293         name = os_strchr(cmd, ' ');
2294         if (name == NULL)
2295                 return -1;
2296         *name++ = '\0';
2297
2298         value = os_strchr(name, ' ');
2299         if (value == NULL)
2300                 return -1;
2301         *value++ = '\0';
2302
2303         id = atoi(cmd);
2304         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2305                    id, name);
2306         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2307                               (u8 *) value, os_strlen(value));
2308
2309         ssid = wpa_config_get_network(wpa_s->conf, id);
2310         if (ssid == NULL) {
2311                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2312                            "id=%d", id);
2313                 return -1;
2314         }
2315
2316         if (wpa_config_set(ssid, name, value, 0) < 0) {
2317                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2318                            "variable '%s'", name);
2319                 return -1;
2320         }
2321
2322         if (os_strcmp(name, "bssid") != 0 &&
2323             os_strcmp(name, "priority") != 0)
2324                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2325
2326         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2327                 /*
2328                  * Invalidate the EAP session cache if anything in the current
2329                  * or previously used configuration changes.
2330                  */
2331                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2332         }
2333
2334         if ((os_strcmp(name, "psk") == 0 &&
2335              value[0] == '"' && ssid->ssid_len) ||
2336             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2337                 wpa_config_update_psk(ssid);
2338         else if (os_strcmp(name, "priority") == 0)
2339                 wpa_config_update_prio_list(wpa_s->conf);
2340
2341         return 0;
2342 }
2343
2344
2345 static int wpa_supplicant_ctrl_iface_get_network(
2346         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2347 {
2348         int id;
2349         size_t res;
2350         struct wpa_ssid *ssid;
2351         char *name, *value;
2352
2353         /* cmd: "<network id> <variable name>" */
2354         name = os_strchr(cmd, ' ');
2355         if (name == NULL || buflen == 0)
2356                 return -1;
2357         *name++ = '\0';
2358
2359         id = atoi(cmd);
2360         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2361                    id, name);
2362
2363         ssid = wpa_config_get_network(wpa_s->conf, id);
2364         if (ssid == NULL) {
2365                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2366                            "id=%d", id);
2367                 return -1;
2368         }
2369
2370         value = wpa_config_get_no_key(ssid, name);
2371         if (value == NULL) {
2372                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2373                            "variable '%s'", name);
2374                 return -1;
2375         }
2376
2377         res = os_strlcpy(buf, value, buflen);
2378         if (res >= buflen) {
2379                 os_free(value);
2380                 return -1;
2381         }
2382
2383         os_free(value);
2384
2385         return res;
2386 }
2387
2388
2389 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2390                                                 char *buf, size_t buflen)
2391 {
2392         char *pos, *end;
2393         struct wpa_cred *cred;
2394         int ret;
2395
2396         pos = buf;
2397         end = buf + buflen;
2398         ret = os_snprintf(pos, end - pos,
2399                           "cred id / realm / username / domain / imsi\n");
2400         if (ret < 0 || ret >= end - pos)
2401                 return pos - buf;
2402         pos += ret;
2403
2404         cred = wpa_s->conf->cred;
2405         while (cred) {
2406                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2407                                   cred->id, cred->realm ? cred->realm : "",
2408                                   cred->username ? cred->username : "",
2409                                   cred->domain ? cred->domain : "",
2410                                   cred->imsi ? cred->imsi : "");
2411                 if (ret < 0 || ret >= end - pos)
2412                         return pos - buf;
2413                 pos += ret;
2414
2415                 cred = cred->next;
2416         }
2417
2418         return pos - buf;
2419 }
2420
2421
2422 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2423                                               char *buf, size_t buflen)
2424 {
2425         struct wpa_cred *cred;
2426         int ret;
2427
2428         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2429
2430         cred = wpa_config_add_cred(wpa_s->conf);
2431         if (cred == NULL)
2432                 return -1;
2433
2434         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2435         if (ret < 0 || (size_t) ret >= buflen)
2436                 return -1;
2437         return ret;
2438 }
2439
2440
2441 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2442                                  struct wpa_cred *cred)
2443 {
2444         struct wpa_ssid *ssid;
2445         char str[20];
2446
2447         if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2448                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2449                 return -1;
2450         }
2451
2452         /* Remove any network entry created based on the removed credential */
2453         ssid = wpa_s->conf->ssid;
2454         while (ssid) {
2455                 if (ssid->parent_cred == cred) {
2456                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2457                                    "used the removed credential", ssid->id);
2458                         os_snprintf(str, sizeof(str), "%d", ssid->id);
2459                         ssid = ssid->next;
2460                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2461                 } else
2462                         ssid = ssid->next;
2463         }
2464
2465         return 0;
2466 }
2467
2468
2469 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2470                                                  char *cmd)
2471 {
2472         int id;
2473         struct wpa_cred *cred, *prev;
2474
2475         /* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2476         if (os_strcmp(cmd, "all") == 0) {
2477                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2478                 cred = wpa_s->conf->cred;
2479                 while (cred) {
2480                         prev = cred;
2481                         cred = cred->next;
2482                         wpas_ctrl_remove_cred(wpa_s, prev);
2483                 }
2484                 return 0;
2485         }
2486
2487         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2488                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2489                            cmd + 8);
2490                 cred = wpa_s->conf->cred;
2491                 while (cred) {
2492                         prev = cred;
2493                         cred = cred->next;
2494                         if (prev->domain &&
2495                             os_strcmp(prev->domain, cmd + 8) == 0)
2496                                 wpas_ctrl_remove_cred(wpa_s, prev);
2497                 }
2498                 return 0;
2499         }
2500
2501         id = atoi(cmd);
2502         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2503
2504         cred = wpa_config_get_cred(wpa_s->conf, id);
2505         return wpas_ctrl_remove_cred(wpa_s, cred);
2506 }
2507
2508
2509 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2510                                               char *cmd)
2511 {
2512         int id;
2513         struct wpa_cred *cred;
2514         char *name, *value;
2515
2516         /* cmd: "<cred id> <variable name> <value>" */
2517         name = os_strchr(cmd, ' ');
2518         if (name == NULL)
2519                 return -1;
2520         *name++ = '\0';
2521
2522         value = os_strchr(name, ' ');
2523         if (value == NULL)
2524                 return -1;
2525         *value++ = '\0';
2526
2527         id = atoi(cmd);
2528         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2529                    id, name);
2530         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2531                               (u8 *) value, os_strlen(value));
2532
2533         cred = wpa_config_get_cred(wpa_s->conf, id);
2534         if (cred == NULL) {
2535                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2536                            id);
2537                 return -1;
2538         }
2539
2540         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2541                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2542                            "variable '%s'", name);
2543                 return -1;
2544         }
2545
2546         return 0;
2547 }
2548
2549
2550 #ifndef CONFIG_NO_CONFIG_WRITE
2551 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2552 {
2553         int ret;
2554
2555         if (!wpa_s->conf->update_config) {
2556                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2557                            "to update configuration (update_config=0)");
2558                 return -1;
2559         }
2560
2561         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2562         if (ret) {
2563                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2564                            "update configuration");
2565         } else {
2566                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2567                            " updated");
2568         }
2569
2570         return ret;
2571 }
2572 #endif /* CONFIG_NO_CONFIG_WRITE */
2573
2574
2575 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2576                                               struct wpa_driver_capa *capa,
2577                                               char *buf, size_t buflen)
2578 {
2579         int ret, first = 1;
2580         char *pos, *end;
2581         size_t len;
2582
2583         pos = buf;
2584         end = pos + buflen;
2585
2586         if (res < 0) {
2587                 if (strict)
2588                         return 0;
2589                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2590                 if (len >= buflen)
2591                         return -1;
2592                 return len;
2593         }
2594
2595         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2596                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2597                 if (ret < 0 || ret >= end - pos)
2598                         return pos - buf;
2599                 pos += ret;
2600                 first = 0;
2601         }
2602
2603         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2604                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2605                 if (ret < 0 || ret >= end - pos)
2606                         return pos - buf;
2607                 pos += ret;
2608                 first = 0;
2609         }
2610
2611         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2612                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2613                 if (ret < 0 || ret >= end - pos)
2614                         return pos - buf;
2615                 pos += ret;
2616                 first = 0;
2617         }
2618
2619         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2620                 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
2621                 if (ret < 0 || ret >= end - pos)
2622                         return pos - buf;
2623                 pos += ret;
2624                 first = 0;
2625         }
2626
2627         return pos - buf;
2628 }
2629
2630
2631 static int ctrl_iface_get_capability_group(int res, char *strict,
2632                                            struct wpa_driver_capa *capa,
2633                                            char *buf, size_t buflen)
2634 {
2635         int ret, first = 1;
2636         char *pos, *end;
2637         size_t len;
2638
2639         pos = buf;
2640         end = pos + buflen;
2641
2642         if (res < 0) {
2643                 if (strict)
2644                         return 0;
2645                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2646                 if (len >= buflen)
2647                         return -1;
2648                 return len;
2649         }
2650
2651         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2652                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2653                 if (ret < 0 || ret >= end - pos)
2654                         return pos - buf;
2655                 pos += ret;
2656                 first = 0;
2657         }
2658
2659         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2660                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2661                 if (ret < 0 || ret >= end - pos)
2662                         return pos - buf;
2663                 pos += ret;
2664                 first = 0;
2665         }
2666
2667         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2668                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2669                 if (ret < 0 || ret >= end - pos)
2670                         return pos - buf;
2671                 pos += ret;
2672                 first = 0;
2673         }
2674
2675         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2676                 ret = os_snprintf(pos, end - pos, "%sWEP104",
2677                                   first ? "" : " ");
2678                 if (ret < 0 || ret >= end - pos)
2679                         return pos - buf;
2680                 pos += ret;
2681                 first = 0;
2682         }
2683
2684         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2685                 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
2686                 if (ret < 0 || ret >= end - pos)
2687                         return pos - buf;
2688                 pos += ret;
2689                 first = 0;
2690         }
2691
2692         return pos - buf;
2693 }
2694
2695
2696 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2697                                               struct wpa_driver_capa *capa,
2698                                               char *buf, size_t buflen)
2699 {
2700         int ret;
2701         char *pos, *end;
2702         size_t len;
2703
2704         pos = buf;
2705         end = pos + buflen;
2706
2707         if (res < 0) {
2708                 if (strict)
2709                         return 0;
2710                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2711                                  "NONE", buflen);
2712                 if (len >= buflen)
2713                         return -1;
2714                 return len;
2715         }
2716
2717         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2718         if (ret < 0 || ret >= end - pos)
2719                 return pos - buf;
2720         pos += ret;
2721
2722         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2723                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2724                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2725                 if (ret < 0 || ret >= end - pos)
2726                         return pos - buf;
2727                 pos += ret;
2728         }
2729
2730         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2731                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2732                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2733                 if (ret < 0 || ret >= end - pos)
2734                         return pos - buf;
2735                 pos += ret;
2736         }
2737
2738         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2739                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2740                 if (ret < 0 || ret >= end - pos)
2741                         return pos - buf;
2742                 pos += ret;
2743         }
2744
2745         return pos - buf;
2746 }
2747
2748
2749 static int ctrl_iface_get_capability_proto(int res, char *strict,
2750                                            struct wpa_driver_capa *capa,
2751                                            char *buf, size_t buflen)
2752 {
2753         int ret, first = 1;
2754         char *pos, *end;
2755         size_t len;
2756
2757         pos = buf;
2758         end = pos + buflen;
2759
2760         if (res < 0) {
2761                 if (strict)
2762                         return 0;
2763                 len = os_strlcpy(buf, "RSN WPA", buflen);
2764                 if (len >= buflen)
2765                         return -1;
2766                 return len;
2767         }
2768
2769         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2770                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2771                 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2772                 if (ret < 0 || ret >= end - pos)
2773                         return pos - buf;
2774                 pos += ret;
2775                 first = 0;
2776         }
2777
2778         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2779                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2780                 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2781                 if (ret < 0 || ret >= end - pos)
2782                         return pos - buf;
2783                 pos += ret;
2784                 first = 0;
2785         }
2786
2787         return pos - buf;
2788 }
2789
2790
2791 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2792                                               struct wpa_driver_capa *capa,
2793                                               char *buf, size_t buflen)
2794 {
2795         int ret, first = 1;
2796         char *pos, *end;
2797         size_t len;
2798
2799         pos = buf;
2800         end = pos + buflen;
2801
2802         if (res < 0) {
2803                 if (strict)
2804                         return 0;
2805                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2806                 if (len >= buflen)
2807                         return -1;
2808                 return len;
2809         }
2810
2811         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2812                 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2813                 if (ret < 0 || ret >= end - pos)
2814                         return pos - buf;
2815                 pos += ret;
2816                 first = 0;
2817         }
2818
2819         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2820                 ret = os_snprintf(pos, end - pos, "%sSHARED",
2821                                   first ? "" : " ");
2822                 if (ret < 0 || ret >= end - pos)
2823                         return pos - buf;
2824                 pos += ret;
2825                 first = 0;
2826         }
2827
2828         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2829                 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2830                 if (ret < 0 || ret >= end - pos)
2831                         return pos - buf;
2832                 pos += ret;
2833                 first = 0;
2834         }
2835
2836         return pos - buf;
2837 }
2838
2839
2840 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
2841                                               char *buf, size_t buflen)
2842 {
2843         struct hostapd_channel_data *chnl;
2844         int ret, i, j;
2845         char *pos, *end, *hmode;
2846
2847         pos = buf;
2848         end = pos + buflen;
2849
2850         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2851                 switch (wpa_s->hw.modes[j].mode) {
2852                 case HOSTAPD_MODE_IEEE80211B:
2853                         hmode = "B";
2854                         break;
2855                 case HOSTAPD_MODE_IEEE80211G:
2856                         hmode = "G";
2857                         break;
2858                 case HOSTAPD_MODE_IEEE80211A:
2859                         hmode = "A";
2860                         break;
2861                 case HOSTAPD_MODE_IEEE80211AD:
2862                         hmode = "AD";
2863                         break;
2864                 default:
2865                         continue;
2866                 }
2867                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
2868                 if (ret < 0 || ret >= end - pos)
2869                         return pos - buf;
2870                 pos += ret;
2871                 chnl = wpa_s->hw.modes[j].channels;
2872                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2873                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2874                                 continue;
2875                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
2876                         if (ret < 0 || ret >= end - pos)
2877                                 return pos - buf;
2878                         pos += ret;
2879                 }
2880                 ret = os_snprintf(pos, end - pos, "\n");
2881                 if (ret < 0 || ret >= end - pos)
2882                         return pos - buf;
2883                 pos += ret;
2884         }
2885
2886         return pos - buf;
2887 }
2888
2889
2890 static int wpa_supplicant_ctrl_iface_get_capability(
2891         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
2892         size_t buflen)
2893 {
2894         struct wpa_driver_capa capa;
2895         int res;
2896         char *strict;
2897         char field[30];
2898         size_t len;
2899
2900         /* Determine whether or not strict checking was requested */
2901         len = os_strlcpy(field, _field, sizeof(field));
2902         if (len >= sizeof(field))
2903                 return -1;
2904         strict = os_strchr(field, ' ');
2905         if (strict != NULL) {
2906                 *strict++ = '\0';
2907                 if (os_strcmp(strict, "strict") != 0)
2908                         return -1;
2909         }
2910
2911         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
2912                 field, strict ? strict : "");
2913
2914         if (os_strcmp(field, "eap") == 0) {
2915                 return eap_get_names(buf, buflen);
2916         }
2917
2918         res = wpa_drv_get_capa(wpa_s, &capa);
2919
2920         if (os_strcmp(field, "pairwise") == 0)
2921                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
2922                                                           buf, buflen);
2923
2924         if (os_strcmp(field, "group") == 0)
2925                 return ctrl_iface_get_capability_group(res, strict, &capa,
2926                                                        buf, buflen);
2927
2928         if (os_strcmp(field, "key_mgmt") == 0)
2929                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
2930                                                           buf, buflen);
2931
2932         if (os_strcmp(field, "proto") == 0)
2933                 return ctrl_iface_get_capability_proto(res, strict, &capa,
2934                                                        buf, buflen);
2935
2936         if (os_strcmp(field, "auth_alg") == 0)
2937                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
2938                                                           buf, buflen);
2939
2940         if (os_strcmp(field, "channels") == 0)
2941                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
2942
2943         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
2944                    field);
2945
2946         return -1;
2947 }
2948
2949
2950 #ifdef CONFIG_INTERWORKING
2951 static char * anqp_add_hex(char *pos, char *end, const char *title,
2952                            struct wpabuf *data)
2953 {
2954         char *start = pos;
2955         size_t i;
2956         int ret;
2957         const u8 *d;
2958
2959         if (data == NULL)
2960                 return start;
2961
2962         ret = os_snprintf(pos, end - pos, "%s=", title);
2963         if (ret < 0 || ret >= end - pos)
2964                 return start;
2965         pos += ret;
2966
2967         d = wpabuf_head_u8(data);
2968         for (i = 0; i < wpabuf_len(data); i++) {
2969                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
2970                 if (ret < 0 || ret >= end - pos)
2971                         return start;
2972                 pos += ret;
2973         }
2974
2975         ret = os_snprintf(pos, end - pos, "\n");
2976         if (ret < 0 || ret >= end - pos)
2977                 return start;
2978         pos += ret;
2979
2980         return pos;
2981 }
2982 #endif /* CONFIG_INTERWORKING */
2983
2984
2985 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
2986                           unsigned long mask, char *buf, size_t buflen)
2987 {
2988         size_t i;
2989         int ret;
2990         char *pos, *end;
2991         const u8 *ie, *ie2;
2992
2993         pos = buf;
2994         end = buf + buflen;
2995
2996         if (mask & WPA_BSS_MASK_ID) {
2997                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
2998                 if (ret < 0 || ret >= end - pos)
2999                         return 0;
3000                 pos += ret;
3001         }
3002
3003         if (mask & WPA_BSS_MASK_BSSID) {
3004                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3005                                   MAC2STR(bss->bssid));
3006                 if (ret < 0 || ret >= end - pos)
3007                         return 0;
3008                 pos += ret;
3009         }
3010
3011         if (mask & WPA_BSS_MASK_FREQ) {
3012                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3013                 if (ret < 0 || ret >= end - pos)
3014                         return 0;
3015                 pos += ret;
3016         }
3017
3018         if (mask & WPA_BSS_MASK_BEACON_INT) {
3019                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3020                                   bss->beacon_int);
3021                 if (ret < 0 || ret >= end - pos)
3022                         return 0;
3023                 pos += ret;
3024         }
3025
3026         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3027                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3028                                   bss->caps);
3029                 if (ret < 0 || ret >= end - pos)
3030                         return 0;
3031                 pos += ret;
3032         }
3033
3034         if (mask & WPA_BSS_MASK_QUAL) {
3035                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3036                 if (ret < 0 || ret >= end - pos)
3037                         return 0;
3038                 pos += ret;
3039         }
3040
3041         if (mask & WPA_BSS_MASK_NOISE) {
3042                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3043                 if (ret < 0 || ret >= end - pos)
3044                         return 0;
3045                 pos += ret;
3046         }
3047
3048         if (mask & WPA_BSS_MASK_LEVEL) {
3049                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3050                 if (ret < 0 || ret >= end - pos)
3051                         return 0;
3052                 pos += ret;
3053         }
3054
3055         if (mask & WPA_BSS_MASK_TSF) {
3056                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3057                                   (unsigned long long) bss->tsf);
3058                 if (ret < 0 || ret >= end - pos)
3059                         return 0;
3060                 pos += ret;
3061         }
3062
3063         if (mask & WPA_BSS_MASK_AGE) {
3064                 struct os_time now;
3065
3066                 os_get_time(&now);
3067                 ret = os_snprintf(pos, end - pos, "age=%d\n",
3068                                   (int) (now.sec - bss->last_update.sec));
3069                 if (ret < 0 || ret >= end - pos)
3070                         return 0;
3071                 pos += ret;
3072         }
3073
3074         if (mask & WPA_BSS_MASK_IE) {
3075                 ret = os_snprintf(pos, end - pos, "ie=");
3076                 if (ret < 0 || ret >= end - pos)
3077                         return 0;
3078                 pos += ret;
3079
3080                 ie = (const u8 *) (bss + 1);
3081                 for (i = 0; i < bss->ie_len; i++) {
3082                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3083                         if (ret < 0 || ret >= end - pos)
3084                                 return 0;
3085                         pos += ret;
3086                 }
3087
3088                 ret = os_snprintf(pos, end - pos, "\n");
3089                 if (ret < 0 || ret >= end - pos)
3090                         return 0;
3091                 pos += ret;
3092         }
3093
3094         if (mask & WPA_BSS_MASK_FLAGS) {
3095                 ret = os_snprintf(pos, end - pos, "flags=");
3096                 if (ret < 0 || ret >= end - pos)
3097                         return 0;
3098                 pos += ret;
3099
3100                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3101                 if (ie)
3102                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3103                                                     2 + ie[1]);
3104                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3105                 if (ie2)
3106                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3107                                                     2 + ie2[1]);
3108                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3109                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3110                         ret = os_snprintf(pos, end - pos, "[WEP]");
3111                         if (ret < 0 || ret >= end - pos)
3112                                 return 0;
3113                         pos += ret;
3114                 }
3115                 if (bss->caps & IEEE80211_CAP_IBSS) {
3116                         ret = os_snprintf(pos, end - pos, "[IBSS]");
3117                         if (ret < 0 || ret >= end - pos)
3118                                 return 0;
3119                         pos += ret;
3120                 }
3121                 if (bss->caps & IEEE80211_CAP_ESS) {
3122                         ret = os_snprintf(pos, end - pos, "[ESS]");
3123                         if (ret < 0 || ret >= end - pos)
3124                                 return 0;
3125                         pos += ret;
3126                 }
3127                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE)) {
3128                         ret = os_snprintf(pos, end - pos, "[P2P]");
3129                         if (ret < 0 || ret >= end - pos)
3130                                 return 0;
3131                         pos += ret;
3132                 }
3133 #ifdef CONFIG_HS20
3134                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3135                         ret = os_snprintf(pos, end - pos, "[HS20]");
3136                         if (ret < 0 || ret >= end - pos)
3137                                 return 0;
3138                         pos += ret;
3139                 }
3140 #endif /* CONFIG_HS20 */
3141
3142                 ret = os_snprintf(pos, end - pos, "\n");
3143                 if (ret < 0 || ret >= end - pos)
3144                         return 0;
3145                 pos += ret;
3146         }
3147
3148         if (mask & WPA_BSS_MASK_SSID) {
3149                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3150                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3151                 if (ret < 0 || ret >= end - pos)
3152                         return 0;
3153                 pos += ret;
3154         }
3155
3156 #ifdef CONFIG_WPS
3157         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3158                 ie = (const u8 *) (bss + 1);
3159                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3160                 if (ret < 0 || ret >= end - pos)
3161                         return 0;
3162                 pos += ret;
3163         }
3164 #endif /* CONFIG_WPS */
3165
3166 #ifdef CONFIG_P2P
3167         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3168                 ie = (const u8 *) (bss + 1);
3169                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3170                 if (ret < 0 || ret >= end - pos)
3171                         return 0;
3172                 pos += ret;
3173         }
3174 #endif /* CONFIG_P2P */
3175
3176 #ifdef CONFIG_WIFI_DISPLAY
3177         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3178                 struct wpabuf *wfd;
3179                 ie = (const u8 *) (bss + 1);
3180                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3181                                                   WFD_IE_VENDOR_TYPE);
3182                 if (wfd) {
3183                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3184                         if (ret < 0 || ret >= end - pos)
3185                                 return 0;
3186                         pos += ret;
3187
3188                         pos += wpa_snprintf_hex(pos, end - pos,
3189                                                 wpabuf_head(wfd),
3190                                                 wpabuf_len(wfd));
3191                         wpabuf_free(wfd);
3192
3193                         ret = os_snprintf(pos, end - pos, "\n");
3194                         if (ret < 0 || ret >= end - pos)
3195                                 return 0;
3196                         pos += ret;
3197                 }
3198         }
3199 #endif /* CONFIG_WIFI_DISPLAY */
3200
3201 #ifdef CONFIG_INTERWORKING
3202         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3203                 struct wpa_bss_anqp *anqp = bss->anqp;
3204                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3205                                    anqp->venue_name);
3206                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3207                                    anqp->network_auth_type);
3208                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3209                                    anqp->roaming_consortium);
3210                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3211                                    anqp->ip_addr_type_availability);
3212                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3213                                    anqp->nai_realm);
3214                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3215                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3216                                    anqp->domain_name);
3217 #ifdef CONFIG_HS20
3218                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3219                                    anqp->hs20_operator_friendly_name);
3220                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3221                                    anqp->hs20_wan_metrics);
3222                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3223                                    anqp->hs20_connection_capability);
3224 #endif /* CONFIG_HS20 */
3225         }
3226 #endif /* CONFIG_INTERWORKING */
3227
3228         if (mask & WPA_BSS_MASK_DELIM) {
3229                 ret = os_snprintf(pos, end - pos, "====\n");
3230                 if (ret < 0 || ret >= end - pos)
3231                         return 0;
3232                 pos += ret;
3233         }
3234
3235         return pos - buf;
3236 }
3237
3238
3239 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3240                                          const char *cmd, char *buf,
3241                                          size_t buflen)
3242 {
3243         u8 bssid[ETH_ALEN];
3244         size_t i;
3245         struct wpa_bss *bss;
3246         struct wpa_bss *bsslast = NULL;
3247         struct dl_list *next;
3248         int ret = 0;
3249         int len;
3250         char *ctmp;
3251         unsigned long mask = WPA_BSS_MASK_ALL;
3252
3253         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3254                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3255                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3256                                             list_id);
3257                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3258                                                list_id);
3259                 } else { /* N1-N2 */
3260                         unsigned int id1, id2;
3261
3262                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3263                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3264                                            "format");
3265                                 return 0;
3266                         }
3267
3268                         if (*(cmd + 6) == '-')
3269                                 id1 = 0;
3270                         else
3271                                 id1 = atoi(cmd + 6);
3272                         ctmp++;
3273                         if (*ctmp >= '0' && *ctmp <= '9')
3274                                 id2 = atoi(ctmp);
3275                         else
3276                                 id2 = (unsigned int) -1;
3277                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3278                         if (id2 == (unsigned int) -1)
3279                                 bsslast = dl_list_last(&wpa_s->bss_id,
3280                                                        struct wpa_bss,
3281                                                        list_id);
3282                         else {
3283                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3284                                 if (bsslast == NULL && bss && id2 > id1) {
3285                                         struct wpa_bss *tmp = bss;
3286                                         for (;;) {
3287                                                 next = tmp->list_id.next;
3288                                                 if (next == &wpa_s->bss_id)
3289                                                         break;
3290                                                 tmp = dl_list_entry(
3291                                                         next, struct wpa_bss,
3292                                                         list_id);
3293                                                 if (tmp->id > id2)
3294                                                         break;
3295                                                 bsslast = tmp;
3296                                         }
3297                                 }
3298                         }
3299                 }
3300         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3301                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3302         else if (os_strncmp(cmd, "LAST", 4) == 0)
3303                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3304         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3305                 i = atoi(cmd + 3);
3306                 bss = wpa_bss_get_id(wpa_s, i);
3307         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3308                 i = atoi(cmd + 5);
3309                 bss = wpa_bss_get_id(wpa_s, i);
3310                 if (bss) {
3311                         next = bss->list_id.next;
3312                         if (next == &wpa_s->bss_id)
3313                                 bss = NULL;
3314                         else
3315                                 bss = dl_list_entry(next, struct wpa_bss,
3316                                                     list_id);
3317                 }
3318 #ifdef CONFIG_P2P
3319         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3320                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3321                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3322                 else
3323                         bss = NULL;
3324 #endif /* CONFIG_P2P */
3325         } else if (hwaddr_aton(cmd, bssid) == 0)
3326                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3327         else {
3328                 struct wpa_bss *tmp;
3329                 i = atoi(cmd);
3330                 bss = NULL;
3331                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3332                 {
3333                         if (i-- == 0) {
3334                                 bss = tmp;
3335                                 break;
3336                         }
3337                 }
3338         }
3339
3340         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3341                 mask = strtoul(ctmp + 5, NULL, 0x10);
3342                 if (mask == 0)
3343                         mask = WPA_BSS_MASK_ALL;
3344         }
3345
3346         if (bss == NULL)
3347                 return 0;
3348
3349         if (bsslast == NULL)
3350                 bsslast = bss;
3351         do {
3352                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3353                 ret += len;
3354                 buf += len;
3355                 buflen -= len;
3356                 if (bss == bsslast) {
3357                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
3358                             (bss == dl_list_last(&wpa_s->bss_id,
3359                                                  struct wpa_bss, list_id)))
3360                                 os_snprintf(buf - 5, 5, "####\n");
3361                         break;
3362                 }
3363                 next = bss->list_id.next;
3364                 if (next == &wpa_s->bss_id)
3365                         break;
3366                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3367         } while (bss && len);
3368
3369         return ret;
3370 }
3371
3372
3373 static int wpa_supplicant_ctrl_iface_ap_scan(
3374         struct wpa_supplicant *wpa_s, char *cmd)
3375 {
3376         int ap_scan = atoi(cmd);
3377         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3378 }
3379
3380
3381 static int wpa_supplicant_ctrl_iface_scan_interval(
3382         struct wpa_supplicant *wpa_s, char *cmd)
3383 {
3384         int scan_int = atoi(cmd);
3385         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3386 }
3387
3388
3389 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3390         struct wpa_supplicant *wpa_s, char *cmd)
3391 {
3392         int expire_age = atoi(cmd);
3393         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3394 }
3395
3396
3397 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3398         struct wpa_supplicant *wpa_s, char *cmd)
3399 {
3400         int expire_count = atoi(cmd);
3401         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3402 }
3403
3404
3405 static int wpa_supplicant_ctrl_iface_bss_flush(
3406         struct wpa_supplicant *wpa_s, char *cmd)
3407 {
3408         int flush_age = atoi(cmd);
3409
3410         if (flush_age == 0)
3411                 wpa_bss_flush(wpa_s);
3412         else
3413                 wpa_bss_flush_by_age(wpa_s, flush_age);
3414         return 0;
3415 }
3416
3417
3418 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3419 {
3420         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3421         /* MLME-DELETEKEYS.request */
3422         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3423         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3424         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3425         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3426 #ifdef CONFIG_IEEE80211W
3427         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3428         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3429 #endif /* CONFIG_IEEE80211W */
3430
3431         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3432                         0);
3433         /* MLME-SETPROTECTION.request(None) */
3434         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3435                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3436                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3437         wpa_sm_drop_sa(wpa_s->wpa);
3438 }
3439
3440
3441 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3442                                           char *addr)
3443 {
3444 #ifdef CONFIG_NO_SCAN_PROCESSING
3445         return -1;
3446 #else /* CONFIG_NO_SCAN_PROCESSING */
3447         u8 bssid[ETH_ALEN];
3448         struct wpa_bss *bss;
3449         struct wpa_ssid *ssid = wpa_s->current_ssid;
3450
3451         if (hwaddr_aton(addr, bssid)) {
3452                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3453                            "address '%s'", addr);
3454                 return -1;
3455         }
3456
3457         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3458
3459         bss = wpa_bss_get_bssid(wpa_s, bssid);
3460         if (!bss) {
3461                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3462                            "from BSS table");
3463                 return -1;
3464         }
3465
3466         /*
3467          * TODO: Find best network configuration block from configuration to
3468          * allow roaming to other networks
3469          */
3470
3471         if (!ssid) {
3472                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3473                            "configuration known for the target AP");
3474                 return -1;
3475         }
3476
3477         wpa_s->reassociate = 1;
3478         wpa_supplicant_connect(wpa_s, bss, ssid);
3479
3480         return 0;
3481 #endif /* CONFIG_NO_SCAN_PROCESSING */
3482 }
3483
3484
3485 #ifdef CONFIG_P2P
3486 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3487 {
3488         unsigned int timeout = atoi(cmd);
3489         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3490         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3491         char *pos;
3492         unsigned int search_delay;
3493
3494         if (os_strstr(cmd, "type=social"))
3495                 type = P2P_FIND_ONLY_SOCIAL;
3496         else if (os_strstr(cmd, "type=progressive"))
3497                 type = P2P_FIND_PROGRESSIVE;
3498
3499         pos = os_strstr(cmd, "dev_id=");
3500         if (pos) {
3501                 pos += 7;
3502                 if (hwaddr_aton(pos, dev_id))
3503                         return -1;
3504                 _dev_id = dev_id;
3505         }
3506
3507         pos = os_strstr(cmd, "delay=");
3508         if (pos) {
3509                 pos += 6;
3510                 search_delay = atoi(pos);
3511         } else
3512                 search_delay = wpas_p2p_search_delay(wpa_s);
3513
3514         return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3515                              search_delay);
3516 }
3517
3518
3519 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3520                             char *buf, size_t buflen)
3521 {
3522         u8 addr[ETH_ALEN];
3523         char *pos, *pos2;
3524         char *pin = NULL;
3525         enum p2p_wps_method wps_method;
3526         int new_pin;
3527         int ret;
3528         int persistent_group, persistent_id = -1;
3529         int join;
3530         int auth;
3531         int automatic;
3532         int go_intent = -1;
3533         int freq = 0;
3534         int pd;
3535         int ht40;
3536
3537         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3538          * [persistent|persistent=<network id>]
3539          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3540          * [ht40] */
3541
3542         if (hwaddr_aton(cmd, addr))
3543                 return -1;
3544
3545         pos = cmd + 17;
3546         if (*pos != ' ')
3547                 return -1;
3548         pos++;
3549
3550         persistent_group = os_strstr(pos, " persistent") != NULL;
3551         pos2 = os_strstr(pos, " persistent=");
3552         if (pos2) {
3553                 struct wpa_ssid *ssid;
3554                 persistent_id = atoi(pos2 + 12);
3555                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3556                 if (ssid == NULL || ssid->disabled != 2 ||
3557                     ssid->mode != WPAS_MODE_P2P_GO) {
3558                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3559                                    "SSID id=%d for persistent P2P group (GO)",
3560                                    persistent_id);
3561                         return -1;
3562                 }
3563         }
3564         join = os_strstr(pos, " join") != NULL;
3565         auth = os_strstr(pos, " auth") != NULL;
3566         automatic = os_strstr(pos, " auto") != NULL;
3567         pd = os_strstr(pos, " provdisc") != NULL;
3568         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3569
3570         pos2 = os_strstr(pos, " go_intent=");
3571         if (pos2) {
3572                 pos2 += 11;
3573                 go_intent = atoi(pos2);
3574                 if (go_intent < 0 || go_intent > 15)
3575                         return -1;
3576         }
3577
3578         pos2 = os_strstr(pos, " freq=");
3579         if (pos2) {
3580                 pos2 += 6;
3581                 freq = atoi(pos2);
3582                 if (freq <= 0)
3583                         return -1;
3584         }
3585
3586         if (os_strncmp(pos, "pin", 3) == 0) {
3587                 /* Request random PIN (to be displayed) and enable the PIN */
3588                 wps_method = WPS_PIN_DISPLAY;
3589         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3590                 wps_method = WPS_PBC;
3591         } else {
3592                 pin = pos;
3593                 pos = os_strchr(pin, ' ');
3594                 wps_method = WPS_PIN_KEYPAD;
3595                 if (pos) {
3596                         *pos++ = '\0';
3597                         if (os_strncmp(pos, "display", 7) == 0)
3598                                 wps_method = WPS_PIN_DISPLAY;
3599                 }
3600                 if (!wps_pin_str_valid(pin)) {
3601                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3602                         return 17;
3603                 }
3604         }
3605
3606         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3607                                    persistent_group, automatic, join,
3608                                    auth, go_intent, freq, persistent_id, pd,
3609                                    ht40);
3610         if (new_pin == -2) {
3611                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3612                 return 25;
3613         }
3614         if (new_pin == -3) {
3615                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3616                 return 25;
3617         }
3618         if (new_pin < 0)
3619                 return -1;
3620         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3621                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3622                 if (ret < 0 || (size_t) ret >= buflen)
3623                         return -1;
3624                 return ret;
3625         }
3626
3627         os_memcpy(buf, "OK\n", 3);
3628         return 3;
3629 }
3630
3631
3632 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3633 {
3634         unsigned int timeout = atoi(cmd);
3635         return wpas_p2p_listen(wpa_s, timeout);
3636 }
3637
3638
3639 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3640 {
3641         u8 addr[ETH_ALEN];
3642         char *pos;
3643         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3644
3645         /* <addr> <config method> [join|auto] */
3646
3647         if (hwaddr_aton(cmd, addr))
3648                 return -1;
3649
3650         pos = cmd + 17;
3651         if (*pos != ' ')
3652                 return -1;
3653         pos++;
3654
3655         if (os_strstr(pos, " join") != NULL)
3656                 use = WPAS_P2P_PD_FOR_JOIN;
3657         else if (os_strstr(pos, " auto") != NULL)
3658                 use = WPAS_P2P_PD_AUTO;
3659
3660         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3661 }
3662
3663
3664 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3665                               size_t buflen)
3666 {
3667         struct wpa_ssid *ssid = wpa_s->current_ssid;
3668
3669         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3670             ssid->passphrase == NULL)
3671                 return -1;
3672
3673         os_strlcpy(buf, ssid->passphrase, buflen);
3674         return os_strlen(buf);
3675 }
3676
3677
3678 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3679                                   char *buf, size_t buflen)
3680 {
3681         u64 ref;
3682         int res;
3683         u8 dst_buf[ETH_ALEN], *dst;
3684         struct wpabuf *tlvs;
3685         char *pos;
3686         size_t len;
3687
3688         if (hwaddr_aton(cmd, dst_buf))
3689                 return -1;
3690         dst = dst_buf;
3691         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3692             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3693                 dst = NULL;
3694         pos = cmd + 17;
3695         if (*pos != ' ')
3696                 return -1;
3697         pos++;
3698
3699         if (os_strncmp(pos, "upnp ", 5) == 0) {
3700                 u8 version;
3701                 pos += 5;
3702                 if (hexstr2bin(pos, &version, 1) < 0)
3703                         return -1;
3704                 pos += 2;
3705                 if (*pos != ' ')
3706                         return -1;
3707                 pos++;
3708                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3709 #ifdef CONFIG_WIFI_DISPLAY
3710         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3711                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3712 #endif /* CONFIG_WIFI_DISPLAY */
3713         } else {
3714                 len = os_strlen(pos);
3715                 if (len & 1)
3716                         return -1;
3717                 len /= 2;
3718                 tlvs = wpabuf_alloc(len);
3719                 if (tlvs == NULL)
3720                         return -1;
3721                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3722                         wpabuf_free(tlvs);
3723                         return -1;
3724                 }
3725
3726                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3727                 wpabuf_free(tlvs);
3728         }
3729         if (ref == 0)
3730                 return -1;
3731         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3732         if (res < 0 || (unsigned) res >= buflen)
3733                 return -1;
3734         return res;
3735 }
3736
3737
3738 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3739                                          char *cmd)
3740 {
3741         long long unsigned val;
3742         u64 req;
3743         if (sscanf(cmd, "%llx", &val) != 1)
3744                 return -1;
3745         req = val;
3746         return wpas_p2p_sd_cancel_request(wpa_s, req);
3747 }
3748
3749
3750 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3751 {
3752         int freq;
3753         u8 dst[ETH_ALEN];
3754         u8 dialog_token;
3755         struct wpabuf *resp_tlvs;
3756         char *pos, *pos2;
3757         size_t len;
3758
3759         pos = os_strchr(cmd, ' ');
3760         if (pos == NULL)
3761                 return -1;
3762         *pos++ = '\0';
3763         freq = atoi(cmd);
3764         if (freq == 0)
3765                 return -1;
3766
3767         if (hwaddr_aton(pos, dst))
3768                 return -1;
3769         pos += 17;
3770         if (*pos != ' ')
3771                 return -1;
3772         pos++;
3773
3774         pos2 = os_strchr(pos, ' ');
3775         if (pos2 == NULL)
3776                 return -1;
3777         *pos2++ = '\0';
3778         dialog_token = atoi(pos);
3779
3780         len = os_strlen(pos2);
3781         if (len & 1)
3782                 return -1;
3783         len /= 2;
3784         resp_tlvs = wpabuf_alloc(len);
3785         if (resp_tlvs == NULL)
3786                 return -1;
3787         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3788                 wpabuf_free(resp_tlvs);
3789                 return -1;
3790         }
3791
3792         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3793         wpabuf_free(resp_tlvs);
3794         return 0;
3795 }
3796
3797
3798 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3799                                        char *cmd)
3800 {
3801         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3802                 return -1;
3803         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3804         return 0;
3805 }
3806
3807
3808 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3809                                         char *cmd)
3810 {
3811         char *pos;
3812         size_t len;
3813         struct wpabuf *query, *resp;
3814
3815         pos = os_strchr(cmd, ' ');
3816         if (pos == NULL)
3817                 return -1;
3818         *pos++ = '\0';
3819
3820         len = os_strlen(cmd);
3821         if (len & 1)
3822                 return -1;
3823         len /= 2;
3824         query = wpabuf_alloc(len);
3825         if (query == NULL)
3826                 return -1;
3827         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3828                 wpabuf_free(query);
3829                 return -1;
3830         }
3831
3832         len = os_strlen(pos);
3833         if (len & 1) {
3834                 wpabuf_free(query);
3835                 return -1;
3836         }
3837         len /= 2;
3838         resp = wpabuf_alloc(len);
3839         if (resp == NULL) {
3840                 wpabuf_free(query);
3841                 return -1;
3842         }
3843         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
3844                 wpabuf_free(query);
3845                 wpabuf_free(resp);
3846                 return -1;
3847         }
3848
3849         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
3850                 wpabuf_free(query);
3851                 wpabuf_free(resp);
3852                 return -1;
3853         }
3854         return 0;
3855 }
3856
3857
3858 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3859 {
3860         char *pos;
3861         u8 version;
3862
3863         pos = os_strchr(cmd, ' ');
3864         if (pos == NULL)
3865                 return -1;
3866         *pos++ = '\0';
3867
3868         if (hexstr2bin(cmd, &version, 1) < 0)
3869                 return -1;
3870
3871         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
3872 }
3873
3874
3875 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
3876 {
3877         char *pos;
3878
3879         pos = os_strchr(cmd, ' ');
3880         if (pos == NULL)
3881                 return -1;
3882         *pos++ = '\0';
3883
3884         if (os_strcmp(cmd, "bonjour") == 0)
3885                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
3886         if (os_strcmp(cmd, "upnp") == 0)
3887                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
3888         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3889         return -1;
3890 }
3891
3892
3893 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
3894                                         char *cmd)
3895 {
3896         size_t len;
3897         struct wpabuf *query;
3898         int ret;
3899
3900         len = os_strlen(cmd);
3901         if (len & 1)
3902                 return -1;
3903         len /= 2;
3904         query = wpabuf_alloc(len);
3905         if (query == NULL)
3906                 return -1;
3907         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3908                 wpabuf_free(query);
3909                 return -1;
3910         }
3911
3912         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
3913         wpabuf_free(query);
3914         return ret;
3915 }
3916
3917
3918 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3919 {
3920         char *pos;
3921         u8 version;
3922
3923         pos = os_strchr(cmd, ' ');
3924         if (pos == NULL)
3925                 return -1;
3926         *pos++ = '\0';
3927
3928         if (hexstr2bin(cmd, &version, 1) < 0)
3929                 return -1;
3930
3931         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
3932 }
3933
3934
3935 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
3936 {
3937         char *pos;
3938
3939         pos = os_strchr(cmd, ' ');
3940         if (pos == NULL)
3941                 return -1;
3942         *pos++ = '\0';
3943
3944         if (os_strcmp(cmd, "bonjour") == 0)
3945                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
3946         if (os_strcmp(cmd, "upnp") == 0)
3947                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
3948         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3949         return -1;
3950 }
3951
3952
3953 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
3954 {
3955         u8 addr[ETH_ALEN];
3956
3957         /* <addr> */
3958
3959         if (hwaddr_aton(cmd, addr))
3960                 return -1;
3961
3962         return wpas_p2p_reject(wpa_s, addr);
3963 }
3964
3965
3966 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
3967 {
3968         char *pos;
3969         int id;
3970         struct wpa_ssid *ssid;
3971         u8 *_peer = NULL, peer[ETH_ALEN];
3972         int freq = 0, pref_freq = 0;
3973         int ht40;
3974
3975         id = atoi(cmd);
3976         pos = os_strstr(cmd, " peer=");
3977         if (pos) {
3978                 pos += 6;
3979                 if (hwaddr_aton(pos, peer))
3980                         return -1;
3981                 _peer = peer;
3982         }
3983         ssid = wpa_config_get_network(wpa_s->conf, id);
3984         if (ssid == NULL || ssid->disabled != 2) {
3985                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3986                            "for persistent P2P group",
3987                            id);
3988                 return -1;
3989         }
3990
3991         pos = os_strstr(cmd, " freq=");
3992         if (pos) {
3993                 pos += 6;
3994                 freq = atoi(pos);
3995                 if (freq <= 0)
3996                         return -1;
3997         }
3998
3999         pos = os_strstr(cmd, " pref=");
4000         if (pos) {
4001                 pos += 6;
4002                 pref_freq = atoi(pos);
4003                 if (pref_freq <= 0)
4004                         return -1;
4005         }
4006
4007         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
4008
4009         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, pref_freq);
4010 }
4011
4012
4013 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4014 {
4015         char *pos;
4016         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4017
4018         pos = os_strstr(cmd, " peer=");
4019         if (!pos)
4020                 return -1;
4021
4022         *pos = '\0';
4023         pos += 6;
4024         if (hwaddr_aton(pos, peer)) {
4025                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4026                 return -1;
4027         }
4028
4029         pos = os_strstr(pos, " go_dev_addr=");
4030         if (pos) {
4031                 pos += 13;
4032                 if (hwaddr_aton(pos, go_dev_addr)) {
4033                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4034                                    pos);
4035                         return -1;
4036                 }
4037                 go_dev = go_dev_addr;
4038         }
4039
4040         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4041 }
4042
4043
4044 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4045 {
4046         if (os_strncmp(cmd, "persistent=", 11) == 0)
4047                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4048         if (os_strncmp(cmd, "group=", 6) == 0)
4049                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4050
4051         return -1;
4052 }
4053
4054
4055 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4056                                          char *cmd, int freq, int ht40)
4057 {
4058         int id;
4059         struct wpa_ssid *ssid;
4060
4061         id = atoi(cmd);
4062         ssid = wpa_config_get_network(wpa_s->conf, id);
4063         if (ssid == NULL || ssid->disabled != 2) {
4064                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4065                            "for persistent P2P group",
4066                            id);
4067                 return -1;
4068         }
4069
4070         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40, NULL);
4071 }
4072
4073
4074 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4075 {
4076         int freq = 0, ht40;
4077         char *pos;
4078
4079         pos = os_strstr(cmd, "freq=");
4080         if (pos)
4081                 freq = atoi(pos + 5);
4082
4083         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
4084
4085         if (os_strncmp(cmd, "persistent=", 11) == 0)
4086                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4087                                                      ht40);
4088         if (os_strcmp(cmd, "persistent") == 0 ||
4089             os_strncmp(cmd, "persistent ", 11) == 0)
4090                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40);
4091         if (os_strncmp(cmd, "freq=", 5) == 0)
4092                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4093         if (ht40)
4094                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4095
4096         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4097                    cmd);
4098         return -1;
4099 }
4100
4101
4102 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4103                          char *buf, size_t buflen)
4104 {
4105         u8 addr[ETH_ALEN], *addr_ptr;
4106         int next, res;
4107         const struct p2p_peer_info *info;
4108         char *pos, *end;
4109         char devtype[WPS_DEV_TYPE_BUFSIZE];
4110         struct wpa_ssid *ssid;
4111         size_t i;
4112
4113         if (!wpa_s->global->p2p)
4114                 return -1;
4115
4116         if (os_strcmp(cmd, "FIRST") == 0) {
4117                 addr_ptr = NULL;
4118                 next = 0;
4119         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4120                 if (hwaddr_aton(cmd + 5, addr) < 0)
4121                         return -1;
4122                 addr_ptr = addr;
4123                 next = 1;
4124         } else {
4125                 if (hwaddr_aton(cmd, addr) < 0)
4126                         return -1;
4127                 addr_ptr = addr;
4128                 next = 0;
4129         }
4130
4131         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4132         if (info == NULL)
4133                 return -1;
4134
4135         pos = buf;
4136         end = buf + buflen;
4137
4138         res = os_snprintf(pos, end - pos, MACSTR "\n"
4139                           "pri_dev_type=%s\n"
4140                           "device_name=%s\n"
4141                           "manufacturer=%s\n"
4142                           "model_name=%s\n"
4143                           "model_number=%s\n"
4144                           "serial_number=%s\n"
4145                           "config_methods=0x%x\n"
4146                           "dev_capab=0x%x\n"
4147                           "group_capab=0x%x\n"
4148                           "level=%d\n",
4149                           MAC2STR(info->p2p_device_addr),
4150                           wps_dev_type_bin2str(info->pri_dev_type,
4151                                                devtype, sizeof(devtype)),
4152                           info->device_name,
4153                           info->manufacturer,
4154                           info->model_name,
4155                           info->model_number,
4156                           info->serial_number,
4157                           info->config_methods,
4158                           info->dev_capab,
4159                           info->group_capab,
4160                           info->level);
4161         if (res < 0 || res >= end - pos)
4162                 return pos - buf;
4163         pos += res;
4164
4165         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4166         {
4167                 const u8 *t;
4168                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4169                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4170                                   wps_dev_type_bin2str(t, devtype,
4171                                                        sizeof(devtype)));
4172                 if (res < 0 || res >= end - pos)
4173                         return pos - buf;
4174                 pos += res;
4175         }
4176
4177         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4178         if (ssid) {
4179                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4180                 if (res < 0 || res >= end - pos)
4181                         return pos - buf;
4182                 pos += res;
4183         }
4184
4185         res = p2p_get_peer_info_txt(info, pos, end - pos);
4186         if (res < 0)
4187                 return pos - buf;
4188         pos += res;
4189
4190         return pos - buf;
4191 }
4192
4193
4194 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4195                                   const char *param)
4196 {
4197         struct wpa_freq_range *freq = NULL, *n;
4198         unsigned int count = 0, i;
4199         const char *pos, *pos2, *pos3;
4200
4201         if (wpa_s->global->p2p == NULL)
4202                 return -1;
4203
4204         /*
4205          * param includes comma separated frequency range.
4206          * For example: 2412-2432,2462,5000-6000
4207          */
4208         pos = param;
4209         while (pos && pos[0]) {
4210                 n = os_realloc_array(freq, count + 1,
4211                                      sizeof(struct wpa_freq_range));
4212                 if (n == NULL) {
4213                         os_free(freq);
4214                         return -1;
4215                 }
4216                 freq = n;
4217                 freq[count].min = atoi(pos);
4218                 pos2 = os_strchr(pos, '-');
4219                 pos3 = os_strchr(pos, ',');
4220                 if (pos2 && (!pos3 || pos2 < pos3)) {
4221                         pos2++;
4222                         freq[count].max = atoi(pos2);
4223                 } else
4224                         freq[count].max = freq[count].min;
4225                 pos = pos3;
4226                 if (pos)
4227                         pos++;
4228                 count++;
4229         }
4230
4231         for (i = 0; i < count; i++) {
4232                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4233                            freq[i].min, freq[i].max);
4234         }
4235
4236         os_free(wpa_s->global->p2p_disallow_freq);
4237         wpa_s->global->p2p_disallow_freq = freq;
4238         wpa_s->global->num_p2p_disallow_freq = count;
4239         wpas_p2p_update_channel_list(wpa_s);
4240         return 0;
4241 }
4242
4243
4244 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4245 {
4246         char *param;
4247
4248         if (wpa_s->global->p2p == NULL)
4249                 return -1;
4250
4251         param = os_strchr(cmd, ' ');
4252         if (param == NULL)
4253                 return -1;
4254         *param++ = '\0';
4255
4256         if (os_strcmp(cmd, "discoverability") == 0) {
4257                 p2p_set_client_discoverability(wpa_s->global->p2p,
4258                                                atoi(param));
4259                 return 0;
4260         }
4261
4262         if (os_strcmp(cmd, "managed") == 0) {
4263                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4264                 return 0;
4265         }
4266
4267         if (os_strcmp(cmd, "listen_channel") == 0) {
4268                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4269                                               atoi(param));
4270         }
4271
4272         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4273                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4274                                             os_strlen(param));
4275         }
4276
4277         if (os_strcmp(cmd, "noa") == 0) {
4278                 char *pos;
4279                 int count, start, duration;
4280                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4281                 count = atoi(param);
4282                 pos = os_strchr(param, ',');
4283                 if (pos == NULL)
4284                         return -1;
4285                 pos++;
4286                 start = atoi(pos);
4287                 pos = os_strchr(pos, ',');
4288                 if (pos == NULL)
4289                         return -1;
4290                 pos++;
4291                 duration = atoi(pos);
4292                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4293                         return -1;
4294                 if (count == 0 && duration > 0)
4295                         return -1;
4296                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4297                            "start=%d duration=%d", count, start, duration);
4298                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4299         }
4300
4301         if (os_strcmp(cmd, "ps") == 0)
4302                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4303
4304         if (os_strcmp(cmd, "oppps") == 0)
4305                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4306
4307         if (os_strcmp(cmd, "ctwindow") == 0)
4308                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4309
4310         if (os_strcmp(cmd, "disabled") == 0) {
4311                 wpa_s->global->p2p_disabled = atoi(param);
4312                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4313                            wpa_s->global->p2p_disabled ?
4314                            "disabled" : "enabled");
4315                 if (wpa_s->global->p2p_disabled) {
4316                         wpas_p2p_stop_find(wpa_s);
4317                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4318                         p2p_flush(wpa_s->global->p2p);
4319                 }
4320                 return 0;
4321         }
4322
4323         if (os_strcmp(cmd, "conc_pref") == 0) {
4324                 if (os_strcmp(param, "sta") == 0)
4325                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4326                 else if (os_strcmp(param, "p2p") == 0)
4327                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4328                 else {
4329                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4330                         return -1;
4331                 }
4332                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4333                            "%s", param);
4334                 return 0;
4335         }
4336
4337         if (os_strcmp(cmd, "force_long_sd") == 0) {
4338                 wpa_s->force_long_sd = atoi(param);
4339                 return 0;
4340         }
4341
4342         if (os_strcmp(cmd, "peer_filter") == 0) {
4343                 u8 addr[ETH_ALEN];
4344                 if (hwaddr_aton(param, addr))
4345                         return -1;
4346                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4347                 return 0;
4348         }
4349
4350         if (os_strcmp(cmd, "cross_connect") == 0)
4351                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4352
4353         if (os_strcmp(cmd, "go_apsd") == 0) {
4354                 if (os_strcmp(param, "disable") == 0)
4355                         wpa_s->set_ap_uapsd = 0;
4356                 else {
4357                         wpa_s->set_ap_uapsd = 1;
4358                         wpa_s->ap_uapsd = atoi(param);
4359                 }
4360                 return 0;
4361         }
4362
4363         if (os_strcmp(cmd, "client_apsd") == 0) {
4364                 if (os_strcmp(param, "disable") == 0)
4365                         wpa_s->set_sta_uapsd = 0;
4366                 else {
4367                         int be, bk, vi, vo;
4368                         char *pos;
4369                         /* format: BE,BK,VI,VO;max SP Length */
4370                         be = atoi(param);
4371                         pos = os_strchr(param, ',');
4372                         if (pos == NULL)
4373                                 return -1;
4374                         pos++;
4375                         bk = atoi(pos);
4376                         pos = os_strchr(pos, ',');
4377                         if (pos == NULL)
4378                                 return -1;
4379                         pos++;
4380                         vi = atoi(pos);
4381                         pos = os_strchr(pos, ',');
4382                         if (pos == NULL)
4383                                 return -1;
4384                         pos++;
4385                         vo = atoi(pos);
4386                         /* ignore max SP Length for now */
4387
4388                         wpa_s->set_sta_uapsd = 1;
4389                         wpa_s->sta_uapsd = 0;
4390                         if (be)
4391                                 wpa_s->sta_uapsd |= BIT(0);
4392                         if (bk)
4393                                 wpa_s->sta_uapsd |= BIT(1);
4394                         if (vi)
4395                                 wpa_s->sta_uapsd |= BIT(2);
4396                         if (vo)
4397                                 wpa_s->sta_uapsd |= BIT(3);
4398                 }
4399                 return 0;
4400         }
4401
4402         if (os_strcmp(cmd, "disallow_freq") == 0)
4403                 return p2p_ctrl_disallow_freq(wpa_s, param);
4404
4405         if (os_strcmp(cmd, "disc_int") == 0) {
4406                 int min_disc_int, max_disc_int, max_disc_tu;
4407                 char *pos;
4408
4409                 pos = param;
4410
4411                 min_disc_int = atoi(pos);
4412                 pos = os_strchr(pos, ' ');
4413                 if (pos == NULL)
4414                         return -1;
4415                 *pos++ = '\0';
4416
4417                 max_disc_int = atoi(pos);
4418                 pos = os_strchr(pos, ' ');
4419                 if (pos == NULL)
4420                         return -1;
4421                 *pos++ = '\0';
4422
4423                 max_disc_tu = atoi(pos);
4424
4425                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4426                                         max_disc_int, max_disc_tu);
4427         }
4428
4429         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4430                    cmd);
4431
4432         return -1;
4433 }
4434
4435
4436 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4437 {
4438         char *pos, *pos2;
4439         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4440
4441         if (cmd[0]) {
4442                 pos = os_strchr(cmd, ' ');
4443                 if (pos == NULL)
4444                         return -1;
4445                 *pos++ = '\0';
4446                 dur1 = atoi(cmd);
4447
4448                 pos2 = os_strchr(pos, ' ');
4449                 if (pos2)
4450                         *pos2++ = '\0';
4451                 int1 = atoi(pos);
4452         } else
4453                 pos2 = NULL;
4454
4455         if (pos2) {
4456                 pos = os_strchr(pos2, ' ');
4457                 if (pos == NULL)
4458                         return -1;
4459                 *pos++ = '\0';
4460                 dur2 = atoi(pos2);
4461                 int2 = atoi(pos);
4462         }
4463
4464         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4465 }
4466
4467
4468 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4469 {
4470         char *pos;
4471         unsigned int period = 0, interval = 0;
4472
4473         if (cmd[0]) {
4474                 pos = os_strchr(cmd, ' ');
4475                 if (pos == NULL)
4476                         return -1;
4477                 *pos++ = '\0';
4478                 period = atoi(cmd);
4479                 interval = atoi(pos);
4480         }
4481
4482         return wpas_p2p_ext_listen(wpa_s, period, interval);
4483 }
4484
4485 #endif /* CONFIG_P2P */
4486
4487
4488 #ifdef CONFIG_INTERWORKING
4489 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4490 {
4491         u8 bssid[ETH_ALEN];
4492         struct wpa_bss *bss;
4493
4494         if (hwaddr_aton(dst, bssid)) {
4495                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4496                 return -1;
4497         }
4498
4499         bss = wpa_bss_get_bssid(wpa_s, bssid);
4500         if (bss == NULL) {
4501                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4502                            MAC2STR(bssid));
4503                 return -1;
4504         }
4505
4506         return interworking_connect(wpa_s, bss);
4507 }
4508
4509
4510 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4511 {
4512         u8 dst_addr[ETH_ALEN];
4513         int used;
4514         char *pos;
4515 #define MAX_ANQP_INFO_ID 100
4516         u16 id[MAX_ANQP_INFO_ID];
4517         size_t num_id = 0;
4518
4519         used = hwaddr_aton2(dst, dst_addr);
4520         if (used < 0)
4521                 return -1;
4522         pos = dst + used;
4523         while (num_id < MAX_ANQP_INFO_ID) {
4524                 id[num_id] = atoi(pos);
4525                 if (id[num_id])
4526                         num_id++;
4527                 pos = os_strchr(pos + 1, ',');
4528                 if (pos == NULL)
4529                         break;
4530                 pos++;
4531         }
4532
4533         if (num_id == 0)
4534                 return -1;
4535
4536         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4537 }
4538
4539
4540 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4541 {
4542         u8 dst_addr[ETH_ALEN];
4543         struct wpabuf *advproto, *query = NULL;
4544         int used, ret = -1;
4545         char *pos, *end;
4546         size_t len;
4547
4548         used = hwaddr_aton2(cmd, dst_addr);
4549         if (used < 0)
4550                 return -1;
4551
4552         pos = cmd + used;
4553         while (*pos == ' ')
4554                 pos++;
4555
4556         /* Advertisement Protocol ID */
4557         end = os_strchr(pos, ' ');
4558         if (end)
4559                 len = end - pos;
4560         else
4561                 len = os_strlen(pos);
4562         if (len & 0x01)
4563                 return -1;
4564         len /= 2;
4565         if (len == 0)
4566                 return -1;
4567         advproto = wpabuf_alloc(len);
4568         if (advproto == NULL)
4569                 return -1;
4570         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4571                 goto fail;
4572
4573         if (end) {
4574                 /* Optional Query Request */
4575                 pos = end + 1;
4576                 while (*pos == ' ')
4577                         pos++;
4578
4579                 len = os_strlen(pos);
4580                 if (len) {
4581                         if (len & 0x01)
4582                                 goto fail;
4583                         len /= 2;
4584                         if (len == 0)
4585                                 goto fail;
4586                         query = wpabuf_alloc(len);
4587                         if (query == NULL)
4588                                 goto fail;
4589                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4590                                 goto fail;
4591                 }
4592         }
4593
4594         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4595
4596 fail:
4597         wpabuf_free(advproto);
4598         wpabuf_free(query);
4599
4600         return ret;
4601 }
4602
4603
4604 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4605                             size_t buflen)
4606 {
4607         u8 addr[ETH_ALEN];
4608         int dialog_token;
4609         int used;
4610         char *pos;
4611         size_t resp_len, start, requested_len;
4612
4613         if (!wpa_s->last_gas_resp)
4614                 return -1;
4615
4616         used = hwaddr_aton2(cmd, addr);
4617         if (used < 0)
4618                 return -1;
4619
4620         pos = cmd + used;
4621         while (*pos == ' ')
4622                 pos++;
4623         dialog_token = atoi(pos);
4624
4625         if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4626             dialog_token != wpa_s->last_gas_dialog_token)
4627                 return -1;
4628
4629         resp_len = wpabuf_len(wpa_s->last_gas_resp);
4630         start = 0;
4631         requested_len = resp_len;
4632
4633         pos = os_strchr(pos, ' ');
4634         if (pos) {
4635                 start = atoi(pos);
4636                 if (start > resp_len)
4637                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4638                 pos = os_strchr(pos, ',');
4639                 if (pos == NULL)
4640                         return -1;
4641                 pos++;
4642                 requested_len = atoi(pos);
4643                 if (start + requested_len > resp_len)
4644                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4645         }
4646
4647         if (requested_len * 2 + 1 > buflen)
4648                 return os_snprintf(buf, buflen, "FAIL-Too long response");
4649
4650         return wpa_snprintf_hex(buf, buflen,
4651                                 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4652                                 requested_len);
4653 }
4654 #endif /* CONFIG_INTERWORKING */
4655
4656
4657 #ifdef CONFIG_HS20
4658
4659 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4660 {
4661         u8 dst_addr[ETH_ALEN];
4662         int used;
4663         char *pos;
4664         u32 subtypes = 0;
4665
4666         used = hwaddr_aton2(dst, dst_addr);
4667         if (used < 0)
4668                 return -1;
4669         pos = dst + used;
4670         for (;;) {
4671                 int num = atoi(pos);
4672                 if (num <= 0 || num > 31)
4673                         return -1;
4674                 subtypes |= BIT(num);
4675                 pos = os_strchr(pos + 1, ',');
4676                 if (pos == NULL)
4677                         break;
4678                 pos++;
4679         }
4680
4681         if (subtypes == 0)
4682                 return -1;
4683
4684         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4685 }
4686
4687
4688 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4689                                     const u8 *addr, const char *realm)
4690 {
4691         u8 *buf;
4692         size_t rlen, len;
4693         int ret;
4694
4695         rlen = os_strlen(realm);
4696         len = 3 + rlen;
4697         buf = os_malloc(len);
4698         if (buf == NULL)
4699                 return -1;
4700         buf[0] = 1; /* NAI Home Realm Count */
4701         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4702         buf[2] = rlen;
4703         os_memcpy(buf + 3, realm, rlen);
4704
4705         ret = hs20_anqp_send_req(wpa_s, addr,
4706                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4707                                  buf, len);
4708
4709         os_free(buf);
4710
4711         return ret;
4712 }
4713
4714
4715 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4716                                         char *dst)
4717 {
4718         struct wpa_cred *cred = wpa_s->conf->cred;
4719         u8 dst_addr[ETH_ALEN];
4720         int used;
4721         u8 *buf;
4722         size_t len;
4723         int ret;
4724
4725         used = hwaddr_aton2(dst, dst_addr);
4726         if (used < 0)
4727                 return -1;
4728
4729         while (dst[used] == ' ')
4730                 used++;
4731         if (os_strncmp(dst + used, "realm=", 6) == 0)
4732                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4733                                                 dst + used + 6);
4734
4735         len = os_strlen(dst + used);
4736
4737         if (len == 0 && cred && cred->realm)
4738                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4739
4740         if (len % 1)
4741                 return -1;
4742         len /= 2;
4743         buf = os_malloc(len);
4744         if (buf == NULL)
4745                 return -1;
4746         if (hexstr2bin(dst + used, buf, len) < 0) {
4747                 os_free(buf);
4748                 return -1;
4749         }
4750
4751         ret = hs20_anqp_send_req(wpa_s, dst_addr,
4752                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4753                                  buf, len);
4754         os_free(buf);
4755
4756         return ret;
4757 }
4758
4759 #endif /* CONFIG_HS20 */
4760
4761
4762 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4763         struct wpa_supplicant *wpa_s, char *cmd)
4764 {
4765         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4766         return 0;
4767 }
4768
4769
4770 #ifdef CONFIG_AUTOSCAN
4771
4772 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4773                                               char *cmd)
4774 {
4775         enum wpa_states state = wpa_s->wpa_state;
4776         char *new_params = NULL;
4777
4778         if (os_strlen(cmd) > 0) {
4779                 new_params = os_strdup(cmd);
4780                 if (new_params == NULL)
4781                         return -1;
4782         }
4783
4784         os_free(wpa_s->conf->autoscan);
4785         wpa_s->conf->autoscan = new_params;
4786
4787         if (wpa_s->conf->autoscan == NULL)
4788                 autoscan_deinit(wpa_s);
4789         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4790                 autoscan_init(wpa_s, 1);
4791         else if (state == WPA_SCANNING)
4792                 wpa_supplicant_reinit_autoscan(wpa_s);
4793
4794         return 0;
4795 }
4796
4797 #endif /* CONFIG_AUTOSCAN */
4798
4799
4800 #ifdef CONFIG_WNM
4801
4802 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
4803 {
4804         int enter;
4805         int intval = 0;
4806         char *pos;
4807         int ret;
4808         struct wpabuf *tfs_req = NULL;
4809
4810         if (os_strncmp(cmd, "enter", 5) == 0)
4811                 enter = 1;
4812         else if (os_strncmp(cmd, "exit", 4) == 0)
4813                 enter = 0;
4814         else
4815                 return -1;
4816
4817         pos = os_strstr(cmd, " interval=");
4818         if (pos)
4819                 intval = atoi(pos + 10);
4820
4821         pos = os_strstr(cmd, " tfs_req=");
4822         if (pos) {
4823                 char *end;
4824                 size_t len;
4825                 pos += 9;
4826                 end = os_strchr(pos, ' ');
4827                 if (end)
4828                         len = end - pos;
4829                 else
4830                         len = os_strlen(pos);
4831                 if (len & 1)
4832                         return -1;
4833                 len /= 2;
4834                 tfs_req = wpabuf_alloc(len);
4835                 if (tfs_req == NULL)
4836                         return -1;
4837                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
4838                         wpabuf_free(tfs_req);
4839                         return -1;
4840                 }
4841         }
4842
4843         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
4844                                            WNM_SLEEP_MODE_EXIT, intval,
4845                                            tfs_req);
4846         wpabuf_free(tfs_req);
4847
4848         return ret;
4849 }
4850
4851 #endif /* CONFIG_WNM */
4852
4853
4854 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
4855                                       size_t buflen)
4856 {
4857         struct wpa_signal_info si;
4858         int ret;
4859
4860         ret = wpa_drv_signal_poll(wpa_s, &si);
4861         if (ret)
4862                 return -1;
4863
4864         ret = os_snprintf(buf, buflen, "RSSI=%d\nLINKSPEED=%d\n"
4865                           "NOISE=%d\nFREQUENCY=%u\n",
4866                           si.current_signal, si.current_txrate / 1000,
4867                           si.current_noise, si.frequency);
4868         if (ret < 0 || (unsigned int) ret > buflen)
4869                 return -1;
4870         return ret;
4871 }
4872
4873
4874 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
4875                                       size_t buflen)
4876 {
4877         struct hostap_sta_driver_data sta;
4878         int ret;
4879
4880         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
4881         if (ret)
4882                 return -1;
4883
4884         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
4885                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
4886         if (ret < 0 || (size_t) ret > buflen)
4887                 return -1;
4888         return ret;
4889 }
4890
4891
4892 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
4893                                          char *buf, size_t *resp_len)
4894 {
4895         char *reply;
4896         const int reply_size = 4096;
4897         int ctrl_rsp = 0;
4898         int reply_len;
4899
4900         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
4901             os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
4902             os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
4903             os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0 ||
4904             os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
4905                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
4906                                       (const u8 *) buf, os_strlen(buf));
4907         } else {
4908                 int level = MSG_DEBUG;
4909                 if (os_strcmp(buf, "PING") == 0)
4910                         level = MSG_EXCESSIVE;
4911                 wpa_hexdump_ascii(level, "RX ctrl_iface",
4912                                   (const u8 *) buf, os_strlen(buf));
4913                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
4914         }
4915
4916         reply = os_malloc(reply_size);
4917         if (reply == NULL) {
4918                 *resp_len = 1;
4919                 return NULL;
4920         }
4921
4922         os_memcpy(reply, "OK\n", 3);
4923         reply_len = 3;
4924
4925         if (os_strcmp(buf, "PING") == 0) {
4926                 os_memcpy(reply, "PONG\n", 5);
4927                 reply_len = 5;
4928         } else if (os_strcmp(buf, "IFNAME") == 0) {
4929                 reply_len = os_strlen(wpa_s->ifname);
4930                 os_memcpy(reply, wpa_s->ifname, reply_len);
4931         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
4932                 if (wpa_debug_reopen_file() < 0)
4933                         reply_len = -1;
4934         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
4935                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
4936         } else if (os_strcmp(buf, "MIB") == 0) {
4937                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
4938                 if (reply_len >= 0) {
4939                         int res;
4940                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
4941                                                reply_size - reply_len);
4942                         if (res < 0)
4943                                 reply_len = -1;
4944                         else
4945                                 reply_len += res;
4946                 }
4947         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
4948                 reply_len = wpa_supplicant_ctrl_iface_status(
4949                         wpa_s, buf + 6, reply, reply_size);
4950         } else if (os_strcmp(buf, "PMKSA") == 0) {
4951                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
4952                                                     reply_size);
4953         } else if (os_strncmp(buf, "SET ", 4) == 0) {
4954                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
4955                         reply_len = -1;
4956         } else if (os_strncmp(buf, "GET ", 4) == 0) {
4957                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
4958                                                           reply, reply_size);
4959         } else if (os_strcmp(buf, "LOGON") == 0) {
4960                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
4961         } else if (os_strcmp(buf, "LOGOFF") == 0) {
4962                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
4963         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
4964                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4965                         reply_len = -1;
4966                 else
4967                         wpas_request_connection(wpa_s);
4968         } else if (os_strcmp(buf, "RECONNECT") == 0) {
4969                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4970                         reply_len = -1;
4971                 else if (wpa_s->disconnected)
4972                         wpas_request_connection(wpa_s);
4973 #ifdef IEEE8021X_EAPOL
4974         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
4975                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
4976                         reply_len = -1;
4977 #endif /* IEEE8021X_EAPOL */
4978 #ifdef CONFIG_PEERKEY
4979         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
4980                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
4981                         reply_len = -1;
4982 #endif /* CONFIG_PEERKEY */
4983 #ifdef CONFIG_IEEE80211R
4984         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
4985                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
4986                         reply_len = -1;
4987 #endif /* CONFIG_IEEE80211R */
4988 #ifdef CONFIG_WPS
4989         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
4990                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
4991                 if (res == -2) {
4992                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4993                         reply_len = 17;
4994                 } else if (res)
4995                         reply_len = -1;
4996         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
4997                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
4998                 if (res == -2) {
4999                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5000                         reply_len = 17;
5001                 } else if (res)
5002                         reply_len = -1;
5003         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
5004                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
5005                                                               reply,
5006                                                               reply_size);
5007         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
5008                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
5009                         wpa_s, buf + 14, reply, reply_size);
5010         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
5011                 if (wpas_wps_cancel(wpa_s))
5012                         reply_len = -1;
5013 #ifdef CONFIG_WPS_NFC
5014         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
5015                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
5016                         reply_len = -1;
5017         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
5018                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
5019                         reply_len = -1;
5020         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
5021                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
5022                         wpa_s, buf + 21, reply, reply_size);
5023         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
5024                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
5025                         wpa_s, buf + 14, reply, reply_size);
5026         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
5027                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
5028                                                                buf + 17))
5029                         reply_len = -1;
5030         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
5031                 reply_len = wpas_ctrl_nfc_get_handover_req(
5032                         wpa_s, buf + 21, reply, reply_size);
5033         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
5034                 reply_len = wpas_ctrl_nfc_get_handover_sel(
5035                         wpa_s, buf + 21, reply, reply_size);
5036         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
5037                 reply_len = wpas_ctrl_nfc_rx_handover_req(
5038                         wpa_s, buf + 20, reply, reply_size);
5039         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
5040                 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
5041                         reply_len = -1;
5042         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
5043                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
5044                         reply_len = -1;
5045 #endif /* CONFIG_WPS_NFC */
5046         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
5047                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
5048                         reply_len = -1;
5049 #ifdef CONFIG_AP
5050         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
5051                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
5052                         wpa_s, buf + 11, reply, reply_size);
5053 #endif /* CONFIG_AP */
5054 #ifdef CONFIG_WPS_ER
5055         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
5056                 if (wpas_wps_er_start(wpa_s, NULL))
5057                         reply_len = -1;
5058         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
5059                 if (wpas_wps_er_start(wpa_s, buf + 13))
5060                         reply_len = -1;
5061         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
5062                 if (wpas_wps_er_stop(wpa_s))
5063                         reply_len = -1;
5064         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
5065                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
5066                         reply_len = -1;
5067         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
5068                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
5069                 if (ret == -2) {
5070                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5071                         reply_len = 17;
5072                 } else if (ret == -3) {
5073                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
5074                         reply_len = 18;
5075                 } else if (ret == -4) {
5076                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
5077                         reply_len = 20;
5078                 } else if (ret)
5079                         reply_len = -1;
5080         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
5081                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
5082                         reply_len = -1;
5083         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
5084                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
5085                                                                 buf + 18))
5086                         reply_len = -1;
5087         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
5088                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
5089                         reply_len = -1;
5090 #ifdef CONFIG_WPS_NFC
5091         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
5092                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
5093                         wpa_s, buf + 24, reply, reply_size);
5094 #endif /* CONFIG_WPS_NFC */
5095 #endif /* CONFIG_WPS_ER */
5096 #endif /* CONFIG_WPS */
5097 #ifdef CONFIG_IBSS_RSN
5098         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
5099                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
5100                         reply_len = -1;
5101 #endif /* CONFIG_IBSS_RSN */
5102 #ifdef CONFIG_P2P
5103         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
5104                 if (p2p_ctrl_find(wpa_s, buf + 9))
5105                         reply_len = -1;
5106         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
5107                 if (p2p_ctrl_find(wpa_s, ""))
5108                         reply_len = -1;
5109         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
5110                 wpas_p2p_stop_find(wpa_s);
5111         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
5112                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
5113                                              reply_size);
5114         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
5115                 if (p2p_ctrl_listen(wpa_s, buf + 11))
5116                         reply_len = -1;
5117         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
5118                 if (p2p_ctrl_listen(wpa_s, ""))
5119                         reply_len = -1;
5120         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
5121                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
5122                         reply_len = -1;
5123         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
5124                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0))
5125                         reply_len = -1;
5126         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
5127                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
5128                         reply_len = -1;
5129         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
5130                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
5131                         reply_len = -1;
5132         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
5133                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
5134         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
5135                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
5136                                                    reply_size);
5137         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
5138                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
5139                         reply_len = -1;
5140         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
5141                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
5142                         reply_len = -1;
5143         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
5144                 wpas_p2p_sd_service_update(wpa_s);
5145         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
5146                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
5147                         reply_len = -1;
5148         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
5149                 wpas_p2p_service_flush(wpa_s);
5150         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
5151                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
5152                         reply_len = -1;
5153         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
5154                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
5155                         reply_len = -1;
5156         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
5157                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
5158                         reply_len = -1;
5159         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
5160                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
5161                         reply_len = -1;
5162         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
5163                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
5164                                               reply_size);
5165         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
5166                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
5167                         reply_len = -1;
5168         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
5169                 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5170                 wpa_s->force_long_sd = 0;
5171                 if (wpa_s->global->p2p)
5172                         p2p_flush(wpa_s->global->p2p);
5173         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
5174                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
5175                         reply_len = -1;
5176         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
5177                 if (wpas_p2p_cancel(wpa_s))
5178                         reply_len = -1;
5179         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
5180                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
5181                         reply_len = -1;
5182         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
5183                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
5184                         reply_len = -1;
5185         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
5186                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
5187                         reply_len = -1;
5188         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
5189                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
5190                         reply_len = -1;
5191 #endif /* CONFIG_P2P */
5192 #ifdef CONFIG_WIFI_DISPLAY
5193         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
5194                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
5195                         reply_len = -1;
5196         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
5197                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
5198                                                      reply, reply_size);
5199 #endif /* CONFIG_WIFI_DISPLAY */
5200 #ifdef CONFIG_INTERWORKING
5201         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
5202                 if (interworking_fetch_anqp(wpa_s) < 0)
5203                         reply_len = -1;
5204         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
5205                 interworking_stop_fetch_anqp(wpa_s);
5206         } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
5207                 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
5208                                         NULL) < 0)
5209                         reply_len = -1;
5210         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
5211                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
5212                         reply_len = -1;
5213         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
5214                 if (get_anqp(wpa_s, buf + 9) < 0)
5215                         reply_len = -1;
5216         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
5217                 if (gas_request(wpa_s, buf + 12) < 0)
5218                         reply_len = -1;
5219         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
5220                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
5221                                              reply_size);
5222 #endif /* CONFIG_INTERWORKING */
5223 #ifdef CONFIG_HS20
5224         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
5225                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
5226                         reply_len = -1;
5227         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
5228                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
5229                         reply_len = -1;
5230 #endif /* CONFIG_HS20 */
5231         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
5232         {
5233                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
5234                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
5235                         reply_len = -1;
5236                 else
5237                         ctrl_rsp = 1;
5238         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
5239                 if (wpa_supplicant_reload_configuration(wpa_s))
5240                         reply_len = -1;
5241         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5242                 wpa_supplicant_terminate_proc(wpa_s->global);
5243         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
5244                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
5245                         reply_len = -1;
5246         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
5247                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
5248                         wpa_s, buf + 9, reply, reply_size);
5249         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
5250                 reply_len = wpa_supplicant_ctrl_iface_log_level(
5251                         wpa_s, buf + 9, reply, reply_size);
5252         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
5253                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
5254                         wpa_s, reply, reply_size);
5255         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
5256 #ifdef CONFIG_SME
5257                 wpa_s->sme.prev_bssid_set = 0;
5258 #endif /* CONFIG_SME */
5259                 wpa_s->reassociate = 0;
5260                 wpa_s->disconnected = 1;
5261                 wpa_supplicant_cancel_sched_scan(wpa_s);
5262                 wpa_supplicant_cancel_scan(wpa_s);
5263                 wpa_supplicant_deauthenticate(wpa_s,
5264                                               WLAN_REASON_DEAUTH_LEAVING);
5265         } else if (os_strcmp(buf, "SCAN") == 0 ||
5266                    os_strncmp(buf, "SCAN ", 5) == 0) {
5267                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5268                         reply_len = -1;
5269                 else {
5270                         if (os_strlen(buf) > 4 &&
5271                             os_strncasecmp(buf + 5, "TYPE=ONLY", 9) == 0)
5272                                 wpa_s->scan_res_handler = scan_only_handler;
5273                         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5274                             ((wpa_s->wpa_state <= WPA_SCANNING) ||
5275                              (wpa_s->wpa_state == WPA_COMPLETED))) {
5276                                 wpa_s->normal_scans = 0;
5277                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5278                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5279                         } else if (wpa_s->sched_scanning) {
5280                                 wpa_printf(MSG_DEBUG, "Stop ongoing "
5281                                            "sched_scan to allow requested "
5282                                            "full scan to proceed");
5283                                 wpa_supplicant_cancel_sched_scan(wpa_s);
5284                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5285                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5286                         } else {
5287                                 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
5288                                            "reject new request");
5289                                 reply_len = os_snprintf(reply, reply_size,
5290                                                         "FAIL-BUSY\n");
5291                         }
5292                 }
5293         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
5294                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
5295                         wpa_s, reply, reply_size);
5296         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
5297                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
5298                         reply_len = -1;
5299         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
5300                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
5301                         reply_len = -1;
5302         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
5303                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
5304                         reply_len = -1;
5305         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
5306                 reply_len = wpa_supplicant_ctrl_iface_add_network(
5307                         wpa_s, reply, reply_size);
5308         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
5309                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
5310                         reply_len = -1;
5311         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5312                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
5313                         reply_len = -1;
5314         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
5315                 reply_len = wpa_supplicant_ctrl_iface_get_network(
5316                         wpa_s, buf + 12, reply, reply_size);
5317         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
5318                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
5319                         wpa_s, reply, reply_size);
5320         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
5321                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
5322                         wpa_s, reply, reply_size);
5323         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
5324                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
5325                         reply_len = -1;
5326         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
5327                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
5328                         reply_len = -1;
5329 #ifndef CONFIG_NO_CONFIG_WRITE
5330         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
5331                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
5332                         reply_len = -1;
5333 #endif /* CONFIG_NO_CONFIG_WRITE */
5334         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
5335                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
5336                         wpa_s, buf + 15, reply, reply_size);
5337         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
5338                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
5339                         reply_len = -1;
5340         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
5341                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
5342                         reply_len = -1;
5343         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5344                 reply_len = wpa_supplicant_global_iface_list(
5345                         wpa_s->global, reply, reply_size);
5346         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5347                 reply_len = wpa_supplicant_global_iface_interfaces(
5348                         wpa_s->global, reply, reply_size);
5349         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
5350                 reply_len = wpa_supplicant_ctrl_iface_bss(
5351                         wpa_s, buf + 4, reply, reply_size);
5352 #ifdef CONFIG_AP
5353         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
5354                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
5355         } else if (os_strncmp(buf, "STA ", 4) == 0) {
5356                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
5357                                               reply_size);
5358         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
5359                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
5360                                                    reply_size);
5361         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
5362                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
5363                         reply_len = -1;
5364         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
5365                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
5366                         reply_len = -1;
5367 #endif /* CONFIG_AP */
5368         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5369                 wpas_notify_suspend(wpa_s->global);
5370         } else if (os_strcmp(buf, "RESUME") == 0) {
5371                 wpas_notify_resume(wpa_s->global);
5372         } else if (os_strcmp(buf, "DROP_SA") == 0) {
5373                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
5374         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
5375                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
5376                         reply_len = -1;
5377         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
5378                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
5379                         reply_len = -1;
5380         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
5381                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
5382                         reply_len = -1;
5383         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
5384                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
5385                                                                buf + 17))
5386                         reply_len = -1;
5387         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
5388                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
5389                         reply_len = -1;
5390 #ifdef CONFIG_TDLS
5391         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
5392                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
5393                         reply_len = -1;
5394         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
5395                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
5396                         reply_len = -1;
5397         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
5398                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
5399                         reply_len = -1;
5400 #endif /* CONFIG_TDLS */
5401         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
5402                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
5403                                                        reply_size);
5404         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
5405                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
5406                                                        reply_size);
5407 #ifdef CONFIG_AUTOSCAN
5408         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
5409                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
5410                         reply_len = -1;
5411 #endif /* CONFIG_AUTOSCAN */
5412         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
5413                 pmksa_cache_clear_current(wpa_s->wpa);
5414                 eapol_sm_request_reauth(wpa_s->eapol);
5415 #ifdef CONFIG_WNM
5416         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
5417                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
5418                         reply_len = -1;
5419 #endif /* CONFIG_WNM */
5420         } else {
5421                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5422                 reply_len = 16;
5423         }
5424
5425         if (reply_len < 0) {
5426                 os_memcpy(reply, "FAIL\n", 5);
5427                 reply_len = 5;
5428         }
5429
5430         if (ctrl_rsp)
5431                 eapol_sm_notify_ctrl_response(wpa_s->eapol);
5432
5433         *resp_len = reply_len;
5434         return reply;
5435 }
5436
5437
5438 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
5439                                            char *cmd)
5440 {
5441         struct wpa_interface iface;
5442         char *pos;
5443
5444         /*
5445          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
5446          * TAB<bridge_ifname>
5447          */
5448         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
5449
5450         os_memset(&iface, 0, sizeof(iface));
5451
5452         do {
5453                 iface.ifname = pos = cmd;
5454                 pos = os_strchr(pos, '\t');
5455                 if (pos)
5456                         *pos++ = '\0';
5457                 if (iface.ifname[0] == '\0')
5458                         return -1;
5459                 if (pos == NULL)
5460                         break;
5461
5462                 iface.confname = pos;
5463                 pos = os_strchr(pos, '\t');
5464                 if (pos)
5465                         *pos++ = '\0';
5466                 if (iface.confname[0] == '\0')
5467                         iface.confname = NULL;
5468                 if (pos == NULL)
5469                         break;
5470
5471                 iface.driver = pos;
5472                 pos = os_strchr(pos, '\t');
5473                 if (pos)
5474                         *pos++ = '\0';
5475                 if (iface.driver[0] == '\0')
5476                         iface.driver = NULL;
5477                 if (pos == NULL)
5478                         break;
5479
5480                 iface.ctrl_interface = pos;
5481                 pos = os_strchr(pos, '\t');
5482                 if (pos)
5483                         *pos++ = '\0';
5484                 if (iface.ctrl_interface[0] == '\0')
5485                         iface.ctrl_interface = NULL;
5486                 if (pos == NULL)
5487                         break;
5488
5489                 iface.driver_param = pos;
5490                 pos = os_strchr(pos, '\t');
5491                 if (pos)
5492                         *pos++ = '\0';
5493                 if (iface.driver_param[0] == '\0')
5494                         iface.driver_param = NULL;
5495                 if (pos == NULL)
5496                         break;
5497
5498                 iface.bridge_ifname = pos;
5499                 pos = os_strchr(pos, '\t');
5500                 if (pos)
5501                         *pos++ = '\0';
5502                 if (iface.bridge_ifname[0] == '\0')
5503                         iface.bridge_ifname = NULL;
5504                 if (pos == NULL)
5505                         break;
5506         } while (0);
5507
5508         if (wpa_supplicant_get_iface(global, iface.ifname))
5509                 return -1;
5510
5511         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
5512 }
5513
5514
5515 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
5516                                               char *cmd)
5517 {
5518         struct wpa_supplicant *wpa_s;
5519
5520         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
5521
5522         wpa_s = wpa_supplicant_get_iface(global, cmd);
5523         if (wpa_s == NULL)
5524                 return -1;
5525         return wpa_supplicant_remove_iface(global, wpa_s, 0);
5526 }
5527
5528
5529 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5530 {
5531         struct wpa_interface_info *prev;
5532
5533         while (iface) {
5534                 prev = iface;
5535                 iface = iface->next;
5536
5537                 os_free(prev->ifname);
5538                 os_free(prev->desc);
5539                 os_free(prev);
5540         }
5541 }
5542
5543
5544 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5545                                             char *buf, int len)
5546 {
5547         int i, res;
5548         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5549         char *pos, *end;
5550
5551         for (i = 0; wpa_drivers[i]; i++) {
5552                 struct wpa_driver_ops *drv = wpa_drivers[i];
5553                 if (drv->get_interfaces == NULL)
5554                         continue;
5555                 tmp = drv->get_interfaces(global->drv_priv[i]);
5556                 if (tmp == NULL)
5557                         continue;
5558
5559                 if (last == NULL)
5560                         iface = last = tmp;
5561                 else
5562                         last->next = tmp;
5563                 while (last->next)
5564                         last = last->next;
5565         }
5566
5567         pos = buf;
5568         end = buf + len;
5569         for (tmp = iface; tmp; tmp = tmp->next) {
5570                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5571                                   tmp->drv_name, tmp->ifname,
5572                                   tmp->desc ? tmp->desc : "");
5573                 if (res < 0 || res >= end - pos) {
5574                         *pos = '\0';
5575                         break;
5576                 }
5577                 pos += res;
5578         }
5579
5580         wpa_free_iface_info(iface);
5581
5582         return pos - buf;
5583 }
5584
5585
5586 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5587                                                   char *buf, int len)
5588 {
5589         int res;
5590         char *pos, *end;
5591         struct wpa_supplicant *wpa_s;
5592
5593         wpa_s = global->ifaces;
5594         pos = buf;
5595         end = buf + len;
5596
5597         while (wpa_s) {
5598                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5599                 if (res < 0 || res >= end - pos) {
5600                         *pos = '\0';
5601                         break;
5602                 }
5603                 pos += res;
5604                 wpa_s = wpa_s->next;
5605         }
5606         return pos - buf;
5607 }
5608
5609
5610 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
5611                                                 char *buf, size_t *resp_len)
5612 {
5613         char *reply;
5614         const int reply_size = 2048;
5615         int reply_len;
5616         int level = MSG_DEBUG;
5617
5618         if (os_strcmp(buf, "PING") == 0)
5619                 level = MSG_EXCESSIVE;
5620         wpa_hexdump_ascii(level, "RX global ctrl_iface",
5621                           (const u8 *) buf, os_strlen(buf));
5622
5623         reply = os_malloc(reply_size);
5624         if (reply == NULL) {
5625                 *resp_len = 1;
5626                 return NULL;
5627         }
5628
5629         os_memcpy(reply, "OK\n", 3);
5630         reply_len = 3;
5631
5632         if (os_strcmp(buf, "PING") == 0) {
5633                 os_memcpy(reply, "PONG\n", 5);
5634                 reply_len = 5;
5635         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
5636                 if (wpa_supplicant_global_iface_add(global, buf + 14))
5637                         reply_len = -1;
5638         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
5639                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
5640                         reply_len = -1;
5641         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5642                 reply_len = wpa_supplicant_global_iface_list(
5643                         global, reply, reply_size);
5644         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5645                 reply_len = wpa_supplicant_global_iface_interfaces(
5646                         global, reply, reply_size);
5647         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5648                 wpa_supplicant_terminate_proc(global);
5649         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5650                 wpas_notify_suspend(global);
5651         } else if (os_strcmp(buf, "RESUME") == 0) {
5652                 wpas_notify_resume(global);
5653         } else {
5654                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5655                 reply_len = 16;
5656         }
5657
5658         if (reply_len < 0) {
5659                 os_memcpy(reply, "FAIL\n", 5);
5660                 reply_len = 5;
5661         }
5662
5663         *resp_len = reply_len;
5664         return reply;
5665 }