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 -1;
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 pos - buf;
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 pos - buf;
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         return pos - buf;
3229 }
3230
3231
3232 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3233                                          const char *cmd, char *buf,
3234                                          size_t buflen)
3235 {
3236         u8 bssid[ETH_ALEN];
3237         size_t i;
3238         struct wpa_bss *bss;
3239         struct wpa_bss *bsslast = NULL;
3240         struct dl_list *next;
3241         int ret = 0;
3242         int len;
3243         char *ctmp;
3244         unsigned long mask = WPA_BSS_MASK_ALL;
3245
3246         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3247                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3248                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3249                                             list_id);
3250                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3251                                                list_id);
3252                 } else { /* N1-N2 */
3253                         unsigned int id1, id2;
3254
3255                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3256                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3257                                            "format");
3258                                 return 0;
3259                         }
3260
3261                         if (*(cmd + 6) == '-')
3262                                 id1 = 0;
3263                         else
3264                                 id1 = atoi(cmd + 6);
3265                         ctmp++;
3266                         if (*ctmp >= '0' && *ctmp <= '9')
3267                                 id2 = atoi(ctmp);
3268                         else
3269                                 id2 = (unsigned int) -1;
3270                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3271                         if (id2 == (unsigned int) -1)
3272                                 bsslast = dl_list_last(&wpa_s->bss_id,
3273                                                        struct wpa_bss,
3274                                                        list_id);
3275                         else {
3276                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3277                                 if (bsslast == NULL && bss && id2 > id1) {
3278                                         struct wpa_bss *tmp = bss;
3279                                         for (;;) {
3280                                                 next = tmp->list_id.next;
3281                                                 if (next == &wpa_s->bss_id)
3282                                                         break;
3283                                                 tmp = dl_list_entry(
3284                                                         next, struct wpa_bss,
3285                                                         list_id);
3286                                                 if (tmp->id > id2)
3287                                                         break;
3288                                                 bsslast = tmp;
3289                                         }
3290                                 }
3291                         }
3292                 }
3293         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3294                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3295         else if (os_strncmp(cmd, "LAST", 4) == 0)
3296                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3297         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3298                 i = atoi(cmd + 3);
3299                 bss = wpa_bss_get_id(wpa_s, i);
3300         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3301                 i = atoi(cmd + 5);
3302                 bss = wpa_bss_get_id(wpa_s, i);
3303                 if (bss) {
3304                         next = bss->list_id.next;
3305                         if (next == &wpa_s->bss_id)
3306                                 bss = NULL;
3307                         else
3308                                 bss = dl_list_entry(next, struct wpa_bss,
3309                                                     list_id);
3310                 }
3311 #ifdef CONFIG_P2P
3312         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3313                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3314                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3315                 else
3316                         bss = NULL;
3317 #endif /* CONFIG_P2P */
3318         } else if (hwaddr_aton(cmd, bssid) == 0)
3319                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3320         else {
3321                 struct wpa_bss *tmp;
3322                 i = atoi(cmd);
3323                 bss = NULL;
3324                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3325                 {
3326                         if (i-- == 0) {
3327                                 bss = tmp;
3328                                 break;
3329                         }
3330                 }
3331         }
3332
3333         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3334                 mask = strtoul(ctmp + 5, NULL, 0x10);
3335                 if (mask == 0)
3336                         mask = WPA_BSS_MASK_ALL;
3337         }
3338
3339         if (bss == NULL)
3340                 return 0;
3341
3342         if (bsslast == NULL)
3343                 bsslast = bss;
3344         do {
3345                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3346                 ret += len;
3347                 buf += len;
3348                 buflen -= len;
3349                 if (bss == bsslast)
3350                         break;
3351                 next = bss->list_id.next;
3352                 if (next == &wpa_s->bss_id)
3353                         break;
3354                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3355         } while (bss && len);
3356
3357         return ret;
3358 }
3359
3360
3361 static int wpa_supplicant_ctrl_iface_ap_scan(
3362         struct wpa_supplicant *wpa_s, char *cmd)
3363 {
3364         int ap_scan = atoi(cmd);
3365         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3366 }
3367
3368
3369 static int wpa_supplicant_ctrl_iface_scan_interval(
3370         struct wpa_supplicant *wpa_s, char *cmd)
3371 {
3372         int scan_int = atoi(cmd);
3373         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3374 }
3375
3376
3377 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3378         struct wpa_supplicant *wpa_s, char *cmd)
3379 {
3380         int expire_age = atoi(cmd);
3381         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3382 }
3383
3384
3385 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3386         struct wpa_supplicant *wpa_s, char *cmd)
3387 {
3388         int expire_count = atoi(cmd);
3389         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3390 }
3391
3392
3393 static int wpa_supplicant_ctrl_iface_bss_flush(
3394         struct wpa_supplicant *wpa_s, char *cmd)
3395 {
3396         int flush_age = atoi(cmd);
3397
3398         if (flush_age == 0)
3399                 wpa_bss_flush(wpa_s);
3400         else
3401                 wpa_bss_flush_by_age(wpa_s, flush_age);
3402         return 0;
3403 }
3404
3405
3406 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3407 {
3408         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3409         /* MLME-DELETEKEYS.request */
3410         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3411         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3412         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3413         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3414 #ifdef CONFIG_IEEE80211W
3415         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3416         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3417 #endif /* CONFIG_IEEE80211W */
3418
3419         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3420                         0);
3421         /* MLME-SETPROTECTION.request(None) */
3422         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3423                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3424                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3425         wpa_sm_drop_sa(wpa_s->wpa);
3426 }
3427
3428
3429 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3430                                           char *addr)
3431 {
3432 #ifdef CONFIG_NO_SCAN_PROCESSING
3433         return -1;
3434 #else /* CONFIG_NO_SCAN_PROCESSING */
3435         u8 bssid[ETH_ALEN];
3436         struct wpa_bss *bss;
3437         struct wpa_ssid *ssid = wpa_s->current_ssid;
3438
3439         if (hwaddr_aton(addr, bssid)) {
3440                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3441                            "address '%s'", addr);
3442                 return -1;
3443         }
3444
3445         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3446
3447         bss = wpa_bss_get_bssid(wpa_s, bssid);
3448         if (!bss) {
3449                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3450                            "from BSS table");
3451                 return -1;
3452         }
3453
3454         /*
3455          * TODO: Find best network configuration block from configuration to
3456          * allow roaming to other networks
3457          */
3458
3459         if (!ssid) {
3460                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3461                            "configuration known for the target AP");
3462                 return -1;
3463         }
3464
3465         wpa_s->reassociate = 1;
3466         wpa_supplicant_connect(wpa_s, bss, ssid);
3467
3468         return 0;
3469 #endif /* CONFIG_NO_SCAN_PROCESSING */
3470 }
3471
3472
3473 #ifdef CONFIG_P2P
3474 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3475 {
3476         unsigned int timeout = atoi(cmd);
3477         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3478         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3479         char *pos;
3480         unsigned int search_delay;
3481
3482         if (os_strstr(cmd, "type=social"))
3483                 type = P2P_FIND_ONLY_SOCIAL;
3484         else if (os_strstr(cmd, "type=progressive"))
3485                 type = P2P_FIND_PROGRESSIVE;
3486
3487         pos = os_strstr(cmd, "dev_id=");
3488         if (pos) {
3489                 pos += 7;
3490                 if (hwaddr_aton(pos, dev_id))
3491                         return -1;
3492                 _dev_id = dev_id;
3493         }
3494
3495         pos = os_strstr(cmd, "delay=");
3496         if (pos) {
3497                 pos += 6;
3498                 search_delay = atoi(pos);
3499         } else
3500                 search_delay = wpas_p2p_search_delay(wpa_s);
3501
3502         return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3503                              search_delay);
3504 }
3505
3506
3507 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3508                             char *buf, size_t buflen)
3509 {
3510         u8 addr[ETH_ALEN];
3511         char *pos, *pos2;
3512         char *pin = NULL;
3513         enum p2p_wps_method wps_method;
3514         int new_pin;
3515         int ret;
3516         int persistent_group, persistent_id = -1;
3517         int join;
3518         int auth;
3519         int automatic;
3520         int go_intent = -1;
3521         int freq = 0;
3522         int pd;
3523         int ht40;
3524
3525         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3526          * [persistent|persistent=<network id>]
3527          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3528          * [ht40] */
3529
3530         if (hwaddr_aton(cmd, addr))
3531                 return -1;
3532
3533         pos = cmd + 17;
3534         if (*pos != ' ')
3535                 return -1;
3536         pos++;
3537
3538         persistent_group = os_strstr(pos, " persistent") != NULL;
3539         pos2 = os_strstr(pos, " persistent=");
3540         if (pos2) {
3541                 struct wpa_ssid *ssid;
3542                 persistent_id = atoi(pos2 + 12);
3543                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3544                 if (ssid == NULL || ssid->disabled != 2 ||
3545                     ssid->mode != WPAS_MODE_P2P_GO) {
3546                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3547                                    "SSID id=%d for persistent P2P group (GO)",
3548                                    persistent_id);
3549                         return -1;
3550                 }
3551         }
3552         join = os_strstr(pos, " join") != NULL;
3553         auth = os_strstr(pos, " auth") != NULL;
3554         automatic = os_strstr(pos, " auto") != NULL;
3555         pd = os_strstr(pos, " provdisc") != NULL;
3556         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3557
3558         pos2 = os_strstr(pos, " go_intent=");
3559         if (pos2) {
3560                 pos2 += 11;
3561                 go_intent = atoi(pos2);
3562                 if (go_intent < 0 || go_intent > 15)
3563                         return -1;
3564         }
3565
3566         pos2 = os_strstr(pos, " freq=");
3567         if (pos2) {
3568                 pos2 += 6;
3569                 freq = atoi(pos2);
3570                 if (freq <= 0)
3571                         return -1;
3572         }
3573
3574         if (os_strncmp(pos, "pin", 3) == 0) {
3575                 /* Request random PIN (to be displayed) and enable the PIN */
3576                 wps_method = WPS_PIN_DISPLAY;
3577         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3578                 wps_method = WPS_PBC;
3579         } else {
3580                 pin = pos;
3581                 pos = os_strchr(pin, ' ');
3582                 wps_method = WPS_PIN_KEYPAD;
3583                 if (pos) {
3584                         *pos++ = '\0';
3585                         if (os_strncmp(pos, "display", 7) == 0)
3586                                 wps_method = WPS_PIN_DISPLAY;
3587                 }
3588                 if (!wps_pin_str_valid(pin)) {
3589                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3590                         return 17;
3591                 }
3592         }
3593
3594         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3595                                    persistent_group, automatic, join,
3596                                    auth, go_intent, freq, persistent_id, pd,
3597                                    ht40);
3598         if (new_pin == -2) {
3599                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3600                 return 25;
3601         }
3602         if (new_pin == -3) {
3603                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3604                 return 25;
3605         }
3606         if (new_pin < 0)
3607                 return -1;
3608         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3609                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3610                 if (ret < 0 || (size_t) ret >= buflen)
3611                         return -1;
3612                 return ret;
3613         }
3614
3615         os_memcpy(buf, "OK\n", 3);
3616         return 3;
3617 }
3618
3619
3620 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3621 {
3622         unsigned int timeout = atoi(cmd);
3623         return wpas_p2p_listen(wpa_s, timeout);
3624 }
3625
3626
3627 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3628 {
3629         u8 addr[ETH_ALEN];
3630         char *pos;
3631         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3632
3633         /* <addr> <config method> [join|auto] */
3634
3635         if (hwaddr_aton(cmd, addr))
3636                 return -1;
3637
3638         pos = cmd + 17;
3639         if (*pos != ' ')
3640                 return -1;
3641         pos++;
3642
3643         if (os_strstr(pos, " join") != NULL)
3644                 use = WPAS_P2P_PD_FOR_JOIN;
3645         else if (os_strstr(pos, " auto") != NULL)
3646                 use = WPAS_P2P_PD_AUTO;
3647
3648         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3649 }
3650
3651
3652 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3653                               size_t buflen)
3654 {
3655         struct wpa_ssid *ssid = wpa_s->current_ssid;
3656
3657         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3658             ssid->passphrase == NULL)
3659                 return -1;
3660
3661         os_strlcpy(buf, ssid->passphrase, buflen);
3662         return os_strlen(buf);
3663 }
3664
3665
3666 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3667                                   char *buf, size_t buflen)
3668 {
3669         u64 ref;
3670         int res;
3671         u8 dst_buf[ETH_ALEN], *dst;
3672         struct wpabuf *tlvs;
3673         char *pos;
3674         size_t len;
3675
3676         if (hwaddr_aton(cmd, dst_buf))
3677                 return -1;
3678         dst = dst_buf;
3679         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3680             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3681                 dst = NULL;
3682         pos = cmd + 17;
3683         if (*pos != ' ')
3684                 return -1;
3685         pos++;
3686
3687         if (os_strncmp(pos, "upnp ", 5) == 0) {
3688                 u8 version;
3689                 pos += 5;
3690                 if (hexstr2bin(pos, &version, 1) < 0)
3691                         return -1;
3692                 pos += 2;
3693                 if (*pos != ' ')
3694                         return -1;
3695                 pos++;
3696                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3697 #ifdef CONFIG_WIFI_DISPLAY
3698         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3699                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3700 #endif /* CONFIG_WIFI_DISPLAY */
3701         } else {
3702                 len = os_strlen(pos);
3703                 if (len & 1)
3704                         return -1;
3705                 len /= 2;
3706                 tlvs = wpabuf_alloc(len);
3707                 if (tlvs == NULL)
3708                         return -1;
3709                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3710                         wpabuf_free(tlvs);
3711                         return -1;
3712                 }
3713
3714                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3715                 wpabuf_free(tlvs);
3716         }
3717         if (ref == 0)
3718                 return -1;
3719         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3720         if (res < 0 || (unsigned) res >= buflen)
3721                 return -1;
3722         return res;
3723 }
3724
3725
3726 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3727                                          char *cmd)
3728 {
3729         long long unsigned val;
3730         u64 req;
3731         if (sscanf(cmd, "%llx", &val) != 1)
3732                 return -1;
3733         req = val;
3734         return wpas_p2p_sd_cancel_request(wpa_s, req);
3735 }
3736
3737
3738 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3739 {
3740         int freq;
3741         u8 dst[ETH_ALEN];
3742         u8 dialog_token;
3743         struct wpabuf *resp_tlvs;
3744         char *pos, *pos2;
3745         size_t len;
3746
3747         pos = os_strchr(cmd, ' ');
3748         if (pos == NULL)
3749                 return -1;
3750         *pos++ = '\0';
3751         freq = atoi(cmd);
3752         if (freq == 0)
3753                 return -1;
3754
3755         if (hwaddr_aton(pos, dst))
3756                 return -1;
3757         pos += 17;
3758         if (*pos != ' ')
3759                 return -1;
3760         pos++;
3761
3762         pos2 = os_strchr(pos, ' ');
3763         if (pos2 == NULL)
3764                 return -1;
3765         *pos2++ = '\0';
3766         dialog_token = atoi(pos);
3767
3768         len = os_strlen(pos2);
3769         if (len & 1)
3770                 return -1;
3771         len /= 2;
3772         resp_tlvs = wpabuf_alloc(len);
3773         if (resp_tlvs == NULL)
3774                 return -1;
3775         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3776                 wpabuf_free(resp_tlvs);
3777                 return -1;
3778         }
3779
3780         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3781         wpabuf_free(resp_tlvs);
3782         return 0;
3783 }
3784
3785
3786 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3787                                        char *cmd)
3788 {
3789         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3790                 return -1;
3791         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3792         return 0;
3793 }
3794
3795
3796 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3797                                         char *cmd)
3798 {
3799         char *pos;
3800         size_t len;
3801         struct wpabuf *query, *resp;
3802
3803         pos = os_strchr(cmd, ' ');
3804         if (pos == NULL)
3805                 return -1;
3806         *pos++ = '\0';
3807
3808         len = os_strlen(cmd);
3809         if (len & 1)
3810                 return -1;
3811         len /= 2;
3812         query = wpabuf_alloc(len);
3813         if (query == NULL)
3814                 return -1;
3815         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3816                 wpabuf_free(query);
3817                 return -1;
3818         }
3819
3820         len = os_strlen(pos);
3821         if (len & 1) {
3822                 wpabuf_free(query);
3823                 return -1;
3824         }
3825         len /= 2;
3826         resp = wpabuf_alloc(len);
3827         if (resp == NULL) {
3828                 wpabuf_free(query);
3829                 return -1;
3830         }
3831         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
3832                 wpabuf_free(query);
3833                 wpabuf_free(resp);
3834                 return -1;
3835         }
3836
3837         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
3838                 wpabuf_free(query);
3839                 wpabuf_free(resp);
3840                 return -1;
3841         }
3842         return 0;
3843 }
3844
3845
3846 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3847 {
3848         char *pos;
3849         u8 version;
3850
3851         pos = os_strchr(cmd, ' ');
3852         if (pos == NULL)
3853                 return -1;
3854         *pos++ = '\0';
3855
3856         if (hexstr2bin(cmd, &version, 1) < 0)
3857                 return -1;
3858
3859         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
3860 }
3861
3862
3863 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
3864 {
3865         char *pos;
3866
3867         pos = os_strchr(cmd, ' ');
3868         if (pos == NULL)
3869                 return -1;
3870         *pos++ = '\0';
3871
3872         if (os_strcmp(cmd, "bonjour") == 0)
3873                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
3874         if (os_strcmp(cmd, "upnp") == 0)
3875                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
3876         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3877         return -1;
3878 }
3879
3880
3881 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
3882                                         char *cmd)
3883 {
3884         size_t len;
3885         struct wpabuf *query;
3886         int ret;
3887
3888         len = os_strlen(cmd);
3889         if (len & 1)
3890                 return -1;
3891         len /= 2;
3892         query = wpabuf_alloc(len);
3893         if (query == NULL)
3894                 return -1;
3895         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3896                 wpabuf_free(query);
3897                 return -1;
3898         }
3899
3900         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
3901         wpabuf_free(query);
3902         return ret;
3903 }
3904
3905
3906 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3907 {
3908         char *pos;
3909         u8 version;
3910
3911         pos = os_strchr(cmd, ' ');
3912         if (pos == NULL)
3913                 return -1;
3914         *pos++ = '\0';
3915
3916         if (hexstr2bin(cmd, &version, 1) < 0)
3917                 return -1;
3918
3919         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
3920 }
3921
3922
3923 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
3924 {
3925         char *pos;
3926
3927         pos = os_strchr(cmd, ' ');
3928         if (pos == NULL)
3929                 return -1;
3930         *pos++ = '\0';
3931
3932         if (os_strcmp(cmd, "bonjour") == 0)
3933                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
3934         if (os_strcmp(cmd, "upnp") == 0)
3935                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
3936         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3937         return -1;
3938 }
3939
3940
3941 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
3942 {
3943         u8 addr[ETH_ALEN];
3944
3945         /* <addr> */
3946
3947         if (hwaddr_aton(cmd, addr))
3948                 return -1;
3949
3950         return wpas_p2p_reject(wpa_s, addr);
3951 }
3952
3953
3954 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
3955 {
3956         char *pos;
3957         int id;
3958         struct wpa_ssid *ssid;
3959         u8 *_peer = NULL, peer[ETH_ALEN];
3960         int freq = 0;
3961         int ht40;
3962
3963         id = atoi(cmd);
3964         pos = os_strstr(cmd, " peer=");
3965         if (pos) {
3966                 pos += 6;
3967                 if (hwaddr_aton(pos, peer))
3968                         return -1;
3969                 _peer = peer;
3970         }
3971         ssid = wpa_config_get_network(wpa_s->conf, id);
3972         if (ssid == NULL || ssid->disabled != 2) {
3973                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3974                            "for persistent P2P group",
3975                            id);
3976                 return -1;
3977         }
3978
3979         pos = os_strstr(cmd, " freq=");
3980         if (pos) {
3981                 pos += 6;
3982                 freq = atoi(pos);
3983                 if (freq <= 0)
3984                         return -1;
3985         }
3986
3987         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3988
3989         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40);
3990 }
3991
3992
3993 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
3994 {
3995         char *pos;
3996         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
3997
3998         pos = os_strstr(cmd, " peer=");
3999         if (!pos)
4000                 return -1;
4001
4002         *pos = '\0';
4003         pos += 6;
4004         if (hwaddr_aton(pos, peer)) {
4005                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4006                 return -1;
4007         }
4008
4009         pos = os_strstr(pos, " go_dev_addr=");
4010         if (pos) {
4011                 pos += 13;
4012                 if (hwaddr_aton(pos, go_dev_addr)) {
4013                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4014                                    pos);
4015                         return -1;
4016                 }
4017                 go_dev = go_dev_addr;
4018         }
4019
4020         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4021 }
4022
4023
4024 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4025 {
4026         if (os_strncmp(cmd, "persistent=", 11) == 0)
4027                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4028         if (os_strncmp(cmd, "group=", 6) == 0)
4029                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4030
4031         return -1;
4032 }
4033
4034
4035 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4036                                          char *cmd, int freq, int ht40)
4037 {
4038         int id;
4039         struct wpa_ssid *ssid;
4040
4041         id = atoi(cmd);
4042         ssid = wpa_config_get_network(wpa_s->conf, id);
4043         if (ssid == NULL || ssid->disabled != 2) {
4044                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4045                            "for persistent P2P group",
4046                            id);
4047                 return -1;
4048         }
4049
4050         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40);
4051 }
4052
4053
4054 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4055 {
4056         int freq = 0, ht40;
4057         char *pos;
4058
4059         pos = os_strstr(cmd, "freq=");
4060         if (pos)
4061                 freq = atoi(pos + 5);
4062
4063         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
4064
4065         if (os_strncmp(cmd, "persistent=", 11) == 0)
4066                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4067                                                      ht40);
4068         if (os_strcmp(cmd, "persistent") == 0 ||
4069             os_strncmp(cmd, "persistent ", 11) == 0)
4070                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40);
4071         if (os_strncmp(cmd, "freq=", 5) == 0)
4072                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4073         if (ht40)
4074                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4075
4076         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4077                    cmd);
4078         return -1;
4079 }
4080
4081
4082 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4083                          char *buf, size_t buflen)
4084 {
4085         u8 addr[ETH_ALEN], *addr_ptr;
4086         int next, res;
4087         const struct p2p_peer_info *info;
4088         char *pos, *end;
4089         char devtype[WPS_DEV_TYPE_BUFSIZE];
4090         struct wpa_ssid *ssid;
4091         size_t i;
4092
4093         if (!wpa_s->global->p2p)
4094                 return -1;
4095
4096         if (os_strcmp(cmd, "FIRST") == 0) {
4097                 addr_ptr = NULL;
4098                 next = 0;
4099         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4100                 if (hwaddr_aton(cmd + 5, addr) < 0)
4101                         return -1;
4102                 addr_ptr = addr;
4103                 next = 1;
4104         } else {
4105                 if (hwaddr_aton(cmd, addr) < 0)
4106                         return -1;
4107                 addr_ptr = addr;
4108                 next = 0;
4109         }
4110
4111         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4112         if (info == NULL)
4113                 return -1;
4114
4115         pos = buf;
4116         end = buf + buflen;
4117
4118         res = os_snprintf(pos, end - pos, MACSTR "\n"
4119                           "pri_dev_type=%s\n"
4120                           "device_name=%s\n"
4121                           "manufacturer=%s\n"
4122                           "model_name=%s\n"
4123                           "model_number=%s\n"
4124                           "serial_number=%s\n"
4125                           "config_methods=0x%x\n"
4126                           "dev_capab=0x%x\n"
4127                           "group_capab=0x%x\n"
4128                           "level=%d\n",
4129                           MAC2STR(info->p2p_device_addr),
4130                           wps_dev_type_bin2str(info->pri_dev_type,
4131                                                devtype, sizeof(devtype)),
4132                           info->device_name,
4133                           info->manufacturer,
4134                           info->model_name,
4135                           info->model_number,
4136                           info->serial_number,
4137                           info->config_methods,
4138                           info->dev_capab,
4139                           info->group_capab,
4140                           info->level);
4141         if (res < 0 || res >= end - pos)
4142                 return pos - buf;
4143         pos += res;
4144
4145         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4146         {
4147                 const u8 *t;
4148                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4149                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4150                                   wps_dev_type_bin2str(t, devtype,
4151                                                        sizeof(devtype)));
4152                 if (res < 0 || res >= end - pos)
4153                         return pos - buf;
4154                 pos += res;
4155         }
4156
4157         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4158         if (ssid) {
4159                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4160                 if (res < 0 || res >= end - pos)
4161                         return pos - buf;
4162                 pos += res;
4163         }
4164
4165         res = p2p_get_peer_info_txt(info, pos, end - pos);
4166         if (res < 0)
4167                 return pos - buf;
4168         pos += res;
4169
4170         return pos - buf;
4171 }
4172
4173
4174 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4175                                   const char *param)
4176 {
4177         struct wpa_freq_range *freq = NULL, *n;
4178         unsigned int count = 0, i;
4179         const char *pos, *pos2, *pos3;
4180
4181         if (wpa_s->global->p2p == NULL)
4182                 return -1;
4183
4184         /*
4185          * param includes comma separated frequency range.
4186          * For example: 2412-2432,2462,5000-6000
4187          */
4188         pos = param;
4189         while (pos && pos[0]) {
4190                 n = os_realloc_array(freq, count + 1,
4191                                      sizeof(struct wpa_freq_range));
4192                 if (n == NULL) {
4193                         os_free(freq);
4194                         return -1;
4195                 }
4196                 freq = n;
4197                 freq[count].min = atoi(pos);
4198                 pos2 = os_strchr(pos, '-');
4199                 pos3 = os_strchr(pos, ',');
4200                 if (pos2 && (!pos3 || pos2 < pos3)) {
4201                         pos2++;
4202                         freq[count].max = atoi(pos2);
4203                 } else
4204                         freq[count].max = freq[count].min;
4205                 pos = pos3;
4206                 if (pos)
4207                         pos++;
4208                 count++;
4209         }
4210
4211         for (i = 0; i < count; i++) {
4212                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4213                            freq[i].min, freq[i].max);
4214         }
4215
4216         os_free(wpa_s->global->p2p_disallow_freq);
4217         wpa_s->global->p2p_disallow_freq = freq;
4218         wpa_s->global->num_p2p_disallow_freq = count;
4219         wpas_p2p_update_channel_list(wpa_s);
4220         return 0;
4221 }
4222
4223
4224 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4225 {
4226         char *param;
4227
4228         if (wpa_s->global->p2p == NULL)
4229                 return -1;
4230
4231         param = os_strchr(cmd, ' ');
4232         if (param == NULL)
4233                 return -1;
4234         *param++ = '\0';
4235
4236         if (os_strcmp(cmd, "discoverability") == 0) {
4237                 p2p_set_client_discoverability(wpa_s->global->p2p,
4238                                                atoi(param));
4239                 return 0;
4240         }
4241
4242         if (os_strcmp(cmd, "managed") == 0) {
4243                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4244                 return 0;
4245         }
4246
4247         if (os_strcmp(cmd, "listen_channel") == 0) {
4248                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4249                                               atoi(param));
4250         }
4251
4252         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4253                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4254                                             os_strlen(param));
4255         }
4256
4257         if (os_strcmp(cmd, "noa") == 0) {
4258                 char *pos;
4259                 int count, start, duration;
4260                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4261                 count = atoi(param);
4262                 pos = os_strchr(param, ',');
4263                 if (pos == NULL)
4264                         return -1;
4265                 pos++;
4266                 start = atoi(pos);
4267                 pos = os_strchr(pos, ',');
4268                 if (pos == NULL)
4269                         return -1;
4270                 pos++;
4271                 duration = atoi(pos);
4272                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4273                         return -1;
4274                 if (count == 0 && duration > 0)
4275                         return -1;
4276                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4277                            "start=%d duration=%d", count, start, duration);
4278                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4279         }
4280
4281         if (os_strcmp(cmd, "ps") == 0)
4282                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4283
4284         if (os_strcmp(cmd, "oppps") == 0)
4285                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4286
4287         if (os_strcmp(cmd, "ctwindow") == 0)
4288                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4289
4290         if (os_strcmp(cmd, "disabled") == 0) {
4291                 wpa_s->global->p2p_disabled = atoi(param);
4292                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4293                            wpa_s->global->p2p_disabled ?
4294                            "disabled" : "enabled");
4295                 if (wpa_s->global->p2p_disabled) {
4296                         wpas_p2p_stop_find(wpa_s);
4297                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4298                         p2p_flush(wpa_s->global->p2p);
4299                 }
4300                 return 0;
4301         }
4302
4303         if (os_strcmp(cmd, "conc_pref") == 0) {
4304                 if (os_strcmp(param, "sta") == 0)
4305                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4306                 else if (os_strcmp(param, "p2p") == 0)
4307                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4308                 else {
4309                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4310                         return -1;
4311                 }
4312                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4313                            "%s", param);
4314                 return 0;
4315         }
4316
4317         if (os_strcmp(cmd, "force_long_sd") == 0) {
4318                 wpa_s->force_long_sd = atoi(param);
4319                 return 0;
4320         }
4321
4322         if (os_strcmp(cmd, "peer_filter") == 0) {
4323                 u8 addr[ETH_ALEN];
4324                 if (hwaddr_aton(param, addr))
4325                         return -1;
4326                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4327                 return 0;
4328         }
4329
4330         if (os_strcmp(cmd, "cross_connect") == 0)
4331                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4332
4333         if (os_strcmp(cmd, "go_apsd") == 0) {
4334                 if (os_strcmp(param, "disable") == 0)
4335                         wpa_s->set_ap_uapsd = 0;
4336                 else {
4337                         wpa_s->set_ap_uapsd = 1;
4338                         wpa_s->ap_uapsd = atoi(param);
4339                 }
4340                 return 0;
4341         }
4342
4343         if (os_strcmp(cmd, "client_apsd") == 0) {
4344                 if (os_strcmp(param, "disable") == 0)
4345                         wpa_s->set_sta_uapsd = 0;
4346                 else {
4347                         int be, bk, vi, vo;
4348                         char *pos;
4349                         /* format: BE,BK,VI,VO;max SP Length */
4350                         be = atoi(param);
4351                         pos = os_strchr(param, ',');
4352                         if (pos == NULL)
4353                                 return -1;
4354                         pos++;
4355                         bk = atoi(pos);
4356                         pos = os_strchr(pos, ',');
4357                         if (pos == NULL)
4358                                 return -1;
4359                         pos++;
4360                         vi = atoi(pos);
4361                         pos = os_strchr(pos, ',');
4362                         if (pos == NULL)
4363                                 return -1;
4364                         pos++;
4365                         vo = atoi(pos);
4366                         /* ignore max SP Length for now */
4367
4368                         wpa_s->set_sta_uapsd = 1;
4369                         wpa_s->sta_uapsd = 0;
4370                         if (be)
4371                                 wpa_s->sta_uapsd |= BIT(0);
4372                         if (bk)
4373                                 wpa_s->sta_uapsd |= BIT(1);
4374                         if (vi)
4375                                 wpa_s->sta_uapsd |= BIT(2);
4376                         if (vo)
4377                                 wpa_s->sta_uapsd |= BIT(3);
4378                 }
4379                 return 0;
4380         }
4381
4382         if (os_strcmp(cmd, "disallow_freq") == 0)
4383                 return p2p_ctrl_disallow_freq(wpa_s, param);
4384
4385         if (os_strcmp(cmd, "disc_int") == 0) {
4386                 int min_disc_int, max_disc_int, max_disc_tu;
4387                 char *pos;
4388
4389                 pos = param;
4390
4391                 min_disc_int = atoi(pos);
4392                 pos = os_strchr(pos, ' ');
4393                 if (pos == NULL)
4394                         return -1;
4395                 *pos++ = '\0';
4396
4397                 max_disc_int = atoi(pos);
4398                 pos = os_strchr(pos, ' ');
4399                 if (pos == NULL)
4400                         return -1;
4401                 *pos++ = '\0';
4402
4403                 max_disc_tu = atoi(pos);
4404
4405                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4406                                         max_disc_int, max_disc_tu);
4407         }
4408
4409         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4410                    cmd);
4411
4412         return -1;
4413 }
4414
4415
4416 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4417 {
4418         char *pos, *pos2;
4419         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4420
4421         if (cmd[0]) {
4422                 pos = os_strchr(cmd, ' ');
4423                 if (pos == NULL)
4424                         return -1;
4425                 *pos++ = '\0';
4426                 dur1 = atoi(cmd);
4427
4428                 pos2 = os_strchr(pos, ' ');
4429                 if (pos2)
4430                         *pos2++ = '\0';
4431                 int1 = atoi(pos);
4432         } else
4433                 pos2 = NULL;
4434
4435         if (pos2) {
4436                 pos = os_strchr(pos2, ' ');
4437                 if (pos == NULL)
4438                         return -1;
4439                 *pos++ = '\0';
4440                 dur2 = atoi(pos2);
4441                 int2 = atoi(pos);
4442         }
4443
4444         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4445 }
4446
4447
4448 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4449 {
4450         char *pos;
4451         unsigned int period = 0, interval = 0;
4452
4453         if (cmd[0]) {
4454                 pos = os_strchr(cmd, ' ');
4455                 if (pos == NULL)
4456                         return -1;
4457                 *pos++ = '\0';
4458                 period = atoi(cmd);
4459                 interval = atoi(pos);
4460         }
4461
4462         return wpas_p2p_ext_listen(wpa_s, period, interval);
4463 }
4464
4465 #endif /* CONFIG_P2P */
4466
4467
4468 #ifdef CONFIG_INTERWORKING
4469 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4470 {
4471         u8 bssid[ETH_ALEN];
4472         struct wpa_bss *bss;
4473
4474         if (hwaddr_aton(dst, bssid)) {
4475                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4476                 return -1;
4477         }
4478
4479         bss = wpa_bss_get_bssid(wpa_s, bssid);
4480         if (bss == NULL) {
4481                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4482                            MAC2STR(bssid));
4483                 return -1;
4484         }
4485
4486         return interworking_connect(wpa_s, bss);
4487 }
4488
4489
4490 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4491 {
4492         u8 dst_addr[ETH_ALEN];
4493         int used;
4494         char *pos;
4495 #define MAX_ANQP_INFO_ID 100
4496         u16 id[MAX_ANQP_INFO_ID];
4497         size_t num_id = 0;
4498
4499         used = hwaddr_aton2(dst, dst_addr);
4500         if (used < 0)
4501                 return -1;
4502         pos = dst + used;
4503         while (num_id < MAX_ANQP_INFO_ID) {
4504                 id[num_id] = atoi(pos);
4505                 if (id[num_id])
4506                         num_id++;
4507                 pos = os_strchr(pos + 1, ',');
4508                 if (pos == NULL)
4509                         break;
4510                 pos++;
4511         }
4512
4513         if (num_id == 0)
4514                 return -1;
4515
4516         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4517 }
4518
4519
4520 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4521 {
4522         u8 dst_addr[ETH_ALEN];
4523         struct wpabuf *advproto, *query = NULL;
4524         int used, ret = -1;
4525         char *pos, *end;
4526         size_t len;
4527
4528         used = hwaddr_aton2(cmd, dst_addr);
4529         if (used < 0)
4530                 return -1;
4531
4532         pos = cmd + used;
4533         while (*pos == ' ')
4534                 pos++;
4535
4536         /* Advertisement Protocol ID */
4537         end = os_strchr(pos, ' ');
4538         if (end)
4539                 len = end - pos;
4540         else
4541                 len = os_strlen(pos);
4542         if (len & 0x01)
4543                 return -1;
4544         len /= 2;
4545         if (len == 0)
4546                 return -1;
4547         advproto = wpabuf_alloc(len);
4548         if (advproto == NULL)
4549                 return -1;
4550         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4551                 goto fail;
4552
4553         if (end) {
4554                 /* Optional Query Request */
4555                 pos = end + 1;
4556                 while (*pos == ' ')
4557                         pos++;
4558
4559                 len = os_strlen(pos);
4560                 if (len) {
4561                         if (len & 0x01)
4562                                 goto fail;
4563                         len /= 2;
4564                         if (len == 0)
4565                                 goto fail;
4566                         query = wpabuf_alloc(len);
4567                         if (query == NULL)
4568                                 goto fail;
4569                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4570                                 goto fail;
4571                 }
4572         }
4573
4574         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4575
4576 fail:
4577         wpabuf_free(advproto);
4578         wpabuf_free(query);
4579
4580         return ret;
4581 }
4582
4583
4584 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4585                             size_t buflen)
4586 {
4587         u8 addr[ETH_ALEN];
4588         int dialog_token;
4589         int used;
4590         char *pos;
4591         size_t resp_len, start, requested_len;
4592
4593         if (!wpa_s->last_gas_resp)
4594                 return -1;
4595
4596         used = hwaddr_aton2(cmd, addr);
4597         if (used < 0)
4598                 return -1;
4599
4600         pos = cmd + used;
4601         while (*pos == ' ')
4602                 pos++;
4603         dialog_token = atoi(pos);
4604
4605         if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4606             dialog_token != wpa_s->last_gas_dialog_token)
4607                 return -1;
4608
4609         resp_len = wpabuf_len(wpa_s->last_gas_resp);
4610         start = 0;
4611         requested_len = resp_len;
4612
4613         pos = os_strchr(pos, ' ');
4614         if (pos) {
4615                 start = atoi(pos);
4616                 if (start > resp_len)
4617                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4618                 pos = os_strchr(pos, ',');
4619                 if (pos == NULL)
4620                         return -1;
4621                 pos++;
4622                 requested_len = atoi(pos);
4623                 if (start + requested_len > resp_len)
4624                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4625         }
4626
4627         if (requested_len * 2 + 1 > buflen)
4628                 return os_snprintf(buf, buflen, "FAIL-Too long response");
4629
4630         return wpa_snprintf_hex(buf, buflen,
4631                                 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4632                                 requested_len);
4633 }
4634 #endif /* CONFIG_INTERWORKING */
4635
4636
4637 #ifdef CONFIG_HS20
4638
4639 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4640 {
4641         u8 dst_addr[ETH_ALEN];
4642         int used;
4643         char *pos;
4644         u32 subtypes = 0;
4645
4646         used = hwaddr_aton2(dst, dst_addr);
4647         if (used < 0)
4648                 return -1;
4649         pos = dst + used;
4650         for (;;) {
4651                 int num = atoi(pos);
4652                 if (num <= 0 || num > 31)
4653                         return -1;
4654                 subtypes |= BIT(num);
4655                 pos = os_strchr(pos + 1, ',');
4656                 if (pos == NULL)
4657                         break;
4658                 pos++;
4659         }
4660
4661         if (subtypes == 0)
4662                 return -1;
4663
4664         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4665 }
4666
4667
4668 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4669                                     const u8 *addr, const char *realm)
4670 {
4671         u8 *buf;
4672         size_t rlen, len;
4673         int ret;
4674
4675         rlen = os_strlen(realm);
4676         len = 3 + rlen;
4677         buf = os_malloc(len);
4678         if (buf == NULL)
4679                 return -1;
4680         buf[0] = 1; /* NAI Home Realm Count */
4681         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4682         buf[2] = rlen;
4683         os_memcpy(buf + 3, realm, rlen);
4684
4685         ret = hs20_anqp_send_req(wpa_s, addr,
4686                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4687                                  buf, len);
4688
4689         os_free(buf);
4690
4691         return ret;
4692 }
4693
4694
4695 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4696                                         char *dst)
4697 {
4698         struct wpa_cred *cred = wpa_s->conf->cred;
4699         u8 dst_addr[ETH_ALEN];
4700         int used;
4701         u8 *buf;
4702         size_t len;
4703         int ret;
4704
4705         used = hwaddr_aton2(dst, dst_addr);
4706         if (used < 0)
4707                 return -1;
4708
4709         while (dst[used] == ' ')
4710                 used++;
4711         if (os_strncmp(dst + used, "realm=", 6) == 0)
4712                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4713                                                 dst + used + 6);
4714
4715         len = os_strlen(dst + used);
4716
4717         if (len == 0 && cred && cred->realm)
4718                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4719
4720         if (len % 1)
4721                 return -1;
4722         len /= 2;
4723         buf = os_malloc(len);
4724         if (buf == NULL)
4725                 return -1;
4726         if (hexstr2bin(dst + used, buf, len) < 0) {
4727                 os_free(buf);
4728                 return -1;
4729         }
4730
4731         ret = hs20_anqp_send_req(wpa_s, dst_addr,
4732                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4733                                  buf, len);
4734         os_free(buf);
4735
4736         return ret;
4737 }
4738
4739 #endif /* CONFIG_HS20 */
4740
4741
4742 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4743         struct wpa_supplicant *wpa_s, char *cmd)
4744 {
4745         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4746         return 0;
4747 }
4748
4749
4750 #ifdef CONFIG_AUTOSCAN
4751
4752 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4753                                               char *cmd)
4754 {
4755         enum wpa_states state = wpa_s->wpa_state;
4756         char *new_params = NULL;
4757
4758         if (os_strlen(cmd) > 0) {
4759                 new_params = os_strdup(cmd);
4760                 if (new_params == NULL)
4761                         return -1;
4762         }
4763
4764         os_free(wpa_s->conf->autoscan);
4765         wpa_s->conf->autoscan = new_params;
4766
4767         if (wpa_s->conf->autoscan == NULL)
4768                 autoscan_deinit(wpa_s);
4769         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4770                 autoscan_init(wpa_s, 1);
4771         else if (state == WPA_SCANNING)
4772                 wpa_supplicant_reinit_autoscan(wpa_s);
4773
4774         return 0;
4775 }
4776
4777 #endif /* CONFIG_AUTOSCAN */
4778
4779
4780 #ifdef CONFIG_WNM
4781
4782 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
4783 {
4784         int enter;
4785         int intval = 0;
4786         char *pos;
4787         int ret;
4788         struct wpabuf *tfs_req = NULL;
4789
4790         if (os_strncmp(cmd, "enter", 5) == 0)
4791                 enter = 1;
4792         else if (os_strncmp(cmd, "exit", 4) == 0)
4793                 enter = 0;
4794         else
4795                 return -1;
4796
4797         pos = os_strstr(cmd, " interval=");
4798         if (pos)
4799                 intval = atoi(pos + 10);
4800
4801         pos = os_strstr(cmd, " tfs_req=");
4802         if (pos) {
4803                 char *end;
4804                 size_t len;
4805                 pos += 9;
4806                 end = os_strchr(pos, ' ');
4807                 if (end)
4808                         len = end - pos;
4809                 else
4810                         len = os_strlen(pos);
4811                 if (len & 1)
4812                         return -1;
4813                 len /= 2;
4814                 tfs_req = wpabuf_alloc(len);
4815                 if (tfs_req == NULL)
4816                         return -1;
4817                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
4818                         wpabuf_free(tfs_req);
4819                         return -1;
4820                 }
4821         }
4822
4823         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
4824                                            WNM_SLEEP_MODE_EXIT, intval,
4825                                            tfs_req);
4826         wpabuf_free(tfs_req);
4827
4828         return ret;
4829 }
4830
4831 #endif /* CONFIG_WNM */
4832
4833
4834 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
4835                                       size_t buflen)
4836 {
4837         struct wpa_signal_info si;
4838         int ret;
4839
4840         ret = wpa_drv_signal_poll(wpa_s, &si);
4841         if (ret)
4842                 return -1;
4843
4844         ret = os_snprintf(buf, buflen, "RSSI=%d\nLINKSPEED=%d\n"
4845                           "NOISE=%d\nFREQUENCY=%u\n",
4846                           si.current_signal, si.current_txrate / 1000,
4847                           si.current_noise, si.frequency);
4848         if (ret < 0 || (unsigned int) ret > buflen)
4849                 return -1;
4850         return ret;
4851 }
4852
4853
4854 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
4855                                       size_t buflen)
4856 {
4857         struct hostap_sta_driver_data sta;
4858         int ret;
4859
4860         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
4861         if (ret)
4862                 return -1;
4863
4864         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
4865                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
4866         if (ret < 0 || (size_t) ret > buflen)
4867                 return -1;
4868         return ret;
4869 }
4870
4871
4872 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
4873                                          char *buf, size_t *resp_len)
4874 {
4875         char *reply;
4876         const int reply_size = 4096;
4877         int ctrl_rsp = 0;
4878         int reply_len;
4879
4880         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
4881             os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
4882             os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
4883             os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0 ||
4884             os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
4885                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
4886                                       (const u8 *) buf, os_strlen(buf));
4887         } else {
4888                 int level = MSG_DEBUG;
4889                 if (os_strcmp(buf, "PING") == 0)
4890                         level = MSG_EXCESSIVE;
4891                 wpa_hexdump_ascii(level, "RX ctrl_iface",
4892                                   (const u8 *) buf, os_strlen(buf));
4893                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
4894         }
4895
4896         reply = os_malloc(reply_size);
4897         if (reply == NULL) {
4898                 *resp_len = 1;
4899                 return NULL;
4900         }
4901
4902         os_memcpy(reply, "OK\n", 3);
4903         reply_len = 3;
4904
4905         if (os_strcmp(buf, "PING") == 0) {
4906                 os_memcpy(reply, "PONG\n", 5);
4907                 reply_len = 5;
4908         } else if (os_strcmp(buf, "IFNAME") == 0) {
4909                 reply_len = os_strlen(wpa_s->ifname);
4910                 os_memcpy(reply, wpa_s->ifname, reply_len);
4911         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
4912                 if (wpa_debug_reopen_file() < 0)
4913                         reply_len = -1;
4914         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
4915                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
4916         } else if (os_strcmp(buf, "MIB") == 0) {
4917                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
4918                 if (reply_len >= 0) {
4919                         int res;
4920                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
4921                                                reply_size - reply_len);
4922                         if (res < 0)
4923                                 reply_len = -1;
4924                         else
4925                                 reply_len += res;
4926                 }
4927         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
4928                 reply_len = wpa_supplicant_ctrl_iface_status(
4929                         wpa_s, buf + 6, reply, reply_size);
4930         } else if (os_strcmp(buf, "PMKSA") == 0) {
4931                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
4932                                                     reply_size);
4933         } else if (os_strncmp(buf, "SET ", 4) == 0) {
4934                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
4935                         reply_len = -1;
4936         } else if (os_strncmp(buf, "GET ", 4) == 0) {
4937                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
4938                                                           reply, reply_size);
4939         } else if (os_strcmp(buf, "LOGON") == 0) {
4940                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
4941         } else if (os_strcmp(buf, "LOGOFF") == 0) {
4942                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
4943         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
4944                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4945                         reply_len = -1;
4946                 else
4947                         wpas_request_connection(wpa_s);
4948         } else if (os_strcmp(buf, "RECONNECT") == 0) {
4949                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4950                         reply_len = -1;
4951                 else if (wpa_s->disconnected)
4952                         wpas_request_connection(wpa_s);
4953 #ifdef IEEE8021X_EAPOL
4954         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
4955                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
4956                         reply_len = -1;
4957 #endif /* IEEE8021X_EAPOL */
4958 #ifdef CONFIG_PEERKEY
4959         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
4960                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
4961                         reply_len = -1;
4962 #endif /* CONFIG_PEERKEY */
4963 #ifdef CONFIG_IEEE80211R
4964         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
4965                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
4966                         reply_len = -1;
4967 #endif /* CONFIG_IEEE80211R */
4968 #ifdef CONFIG_WPS
4969         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
4970                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
4971                 if (res == -2) {
4972                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4973                         reply_len = 17;
4974                 } else if (res)
4975                         reply_len = -1;
4976         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
4977                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
4978                 if (res == -2) {
4979                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4980                         reply_len = 17;
4981                 } else if (res)
4982                         reply_len = -1;
4983         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
4984                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
4985                                                               reply,
4986                                                               reply_size);
4987         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
4988                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
4989                         wpa_s, buf + 14, reply, reply_size);
4990         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
4991                 if (wpas_wps_cancel(wpa_s))
4992                         reply_len = -1;
4993 #ifdef CONFIG_WPS_NFC
4994         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
4995                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
4996                         reply_len = -1;
4997         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
4998                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
4999                         reply_len = -1;
5000         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
5001                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
5002                         wpa_s, buf + 21, reply, reply_size);
5003         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
5004                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
5005                         wpa_s, buf + 14, reply, reply_size);
5006         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
5007                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
5008                                                                buf + 17))
5009                         reply_len = -1;
5010         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
5011                 reply_len = wpas_ctrl_nfc_get_handover_req(
5012                         wpa_s, buf + 21, reply, reply_size);
5013         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
5014                 reply_len = wpas_ctrl_nfc_get_handover_sel(
5015                         wpa_s, buf + 21, reply, reply_size);
5016         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
5017                 reply_len = wpas_ctrl_nfc_rx_handover_req(
5018                         wpa_s, buf + 20, reply, reply_size);
5019         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
5020                 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
5021                         reply_len = -1;
5022         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
5023                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
5024                         reply_len = -1;
5025 #endif /* CONFIG_WPS_NFC */
5026         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
5027                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
5028                         reply_len = -1;
5029 #ifdef CONFIG_AP
5030         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
5031                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
5032                         wpa_s, buf + 11, reply, reply_size);
5033 #endif /* CONFIG_AP */
5034 #ifdef CONFIG_WPS_ER
5035         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
5036                 if (wpas_wps_er_start(wpa_s, NULL))
5037                         reply_len = -1;
5038         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
5039                 if (wpas_wps_er_start(wpa_s, buf + 13))
5040                         reply_len = -1;
5041         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
5042                 if (wpas_wps_er_stop(wpa_s))
5043                         reply_len = -1;
5044         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
5045                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
5046                         reply_len = -1;
5047         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
5048                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
5049                 if (ret == -2) {
5050                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5051                         reply_len = 17;
5052                 } else if (ret == -3) {
5053                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
5054                         reply_len = 18;
5055                 } else if (ret == -4) {
5056                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
5057                         reply_len = 20;
5058                 } else if (ret)
5059                         reply_len = -1;
5060         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
5061                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
5062                         reply_len = -1;
5063         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
5064                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
5065                                                                 buf + 18))
5066                         reply_len = -1;
5067         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
5068                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
5069                         reply_len = -1;
5070 #ifdef CONFIG_WPS_NFC
5071         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
5072                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
5073                         wpa_s, buf + 24, reply, reply_size);
5074 #endif /* CONFIG_WPS_NFC */
5075 #endif /* CONFIG_WPS_ER */
5076 #endif /* CONFIG_WPS */
5077 #ifdef CONFIG_IBSS_RSN
5078         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
5079                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
5080                         reply_len = -1;
5081 #endif /* CONFIG_IBSS_RSN */
5082 #ifdef CONFIG_P2P
5083         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
5084                 if (p2p_ctrl_find(wpa_s, buf + 9))
5085                         reply_len = -1;
5086         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
5087                 if (p2p_ctrl_find(wpa_s, ""))
5088                         reply_len = -1;
5089         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
5090                 wpas_p2p_stop_find(wpa_s);
5091         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
5092                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
5093                                              reply_size);
5094         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
5095                 if (p2p_ctrl_listen(wpa_s, buf + 11))
5096                         reply_len = -1;
5097         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
5098                 if (p2p_ctrl_listen(wpa_s, ""))
5099                         reply_len = -1;
5100         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
5101                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
5102                         reply_len = -1;
5103         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
5104                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0))
5105                         reply_len = -1;
5106         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
5107                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
5108                         reply_len = -1;
5109         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
5110                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
5111                         reply_len = -1;
5112         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
5113                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
5114         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
5115                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
5116                                                    reply_size);
5117         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
5118                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
5119                         reply_len = -1;
5120         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
5121                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
5122                         reply_len = -1;
5123         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
5124                 wpas_p2p_sd_service_update(wpa_s);
5125         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
5126                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
5127                         reply_len = -1;
5128         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
5129                 wpas_p2p_service_flush(wpa_s);
5130         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
5131                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
5132                         reply_len = -1;
5133         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
5134                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
5135                         reply_len = -1;
5136         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
5137                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
5138                         reply_len = -1;
5139         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
5140                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
5141                         reply_len = -1;
5142         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
5143                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
5144                                               reply_size);
5145         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
5146                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
5147                         reply_len = -1;
5148         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
5149                 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5150                 wpa_s->force_long_sd = 0;
5151                 if (wpa_s->global->p2p)
5152                         p2p_flush(wpa_s->global->p2p);
5153         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
5154                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
5155                         reply_len = -1;
5156         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
5157                 if (wpas_p2p_cancel(wpa_s))
5158                         reply_len = -1;
5159         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
5160                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
5161                         reply_len = -1;
5162         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
5163                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
5164                         reply_len = -1;
5165         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
5166                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
5167                         reply_len = -1;
5168         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
5169                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
5170                         reply_len = -1;
5171 #endif /* CONFIG_P2P */
5172 #ifdef CONFIG_WIFI_DISPLAY
5173         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
5174                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
5175                         reply_len = -1;
5176         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
5177                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
5178                                                      reply, reply_size);
5179 #endif /* CONFIG_WIFI_DISPLAY */
5180 #ifdef CONFIG_INTERWORKING
5181         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
5182                 if (interworking_fetch_anqp(wpa_s) < 0)
5183                         reply_len = -1;
5184         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
5185                 interworking_stop_fetch_anqp(wpa_s);
5186         } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
5187                 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
5188                                         NULL) < 0)
5189                         reply_len = -1;
5190         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
5191                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
5192                         reply_len = -1;
5193         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
5194                 if (get_anqp(wpa_s, buf + 9) < 0)
5195                         reply_len = -1;
5196         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
5197                 if (gas_request(wpa_s, buf + 12) < 0)
5198                         reply_len = -1;
5199         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
5200                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
5201                                              reply_size);
5202 #endif /* CONFIG_INTERWORKING */
5203 #ifdef CONFIG_HS20
5204         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
5205                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
5206                         reply_len = -1;
5207         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
5208                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
5209                         reply_len = -1;
5210 #endif /* CONFIG_HS20 */
5211         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
5212         {
5213                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
5214                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
5215                         reply_len = -1;
5216                 else
5217                         ctrl_rsp = 1;
5218         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
5219                 if (wpa_supplicant_reload_configuration(wpa_s))
5220                         reply_len = -1;
5221         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5222                 wpa_supplicant_terminate_proc(wpa_s->global);
5223         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
5224                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
5225                         reply_len = -1;
5226         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
5227                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
5228                         wpa_s, buf + 9, reply, reply_size);
5229         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
5230                 reply_len = wpa_supplicant_ctrl_iface_log_level(
5231                         wpa_s, buf + 9, reply, reply_size);
5232         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
5233                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
5234                         wpa_s, reply, reply_size);
5235         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
5236 #ifdef CONFIG_SME
5237                 wpa_s->sme.prev_bssid_set = 0;
5238 #endif /* CONFIG_SME */
5239                 wpa_s->reassociate = 0;
5240                 wpa_s->disconnected = 1;
5241                 wpa_supplicant_cancel_sched_scan(wpa_s);
5242                 wpa_supplicant_cancel_scan(wpa_s);
5243                 wpa_supplicant_deauthenticate(wpa_s,
5244                                               WLAN_REASON_DEAUTH_LEAVING);
5245         } else if (os_strcmp(buf, "SCAN") == 0 ||
5246                    os_strncmp(buf, "SCAN ", 5) == 0) {
5247                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5248                         reply_len = -1;
5249                 else {
5250                         if (os_strlen(buf) > 4 &&
5251                             os_strncasecmp(buf + 5, "TYPE=ONLY", 9) == 0)
5252                                 wpa_s->scan_res_handler = scan_only_handler;
5253                         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5254                             ((wpa_s->wpa_state <= WPA_SCANNING) ||
5255                              (wpa_s->wpa_state == WPA_COMPLETED))) {
5256                                 wpa_s->normal_scans = 0;
5257                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5258                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5259                         } else if (wpa_s->sched_scanning) {
5260                                 wpa_printf(MSG_DEBUG, "Stop ongoing "
5261                                            "sched_scan to allow requested "
5262                                            "full scan to proceed");
5263                                 wpa_supplicant_cancel_sched_scan(wpa_s);
5264                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5265                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5266                         } else {
5267                                 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
5268                                            "reject new request");
5269                                 reply_len = os_snprintf(reply, reply_size,
5270                                                         "FAIL-BUSY\n");
5271                         }
5272                 }
5273         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
5274                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
5275                         wpa_s, reply, reply_size);
5276         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
5277                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
5278                         reply_len = -1;
5279         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
5280                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
5281                         reply_len = -1;
5282         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
5283                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
5284                         reply_len = -1;
5285         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
5286                 reply_len = wpa_supplicant_ctrl_iface_add_network(
5287                         wpa_s, reply, reply_size);
5288         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
5289                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
5290                         reply_len = -1;
5291         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5292                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
5293                         reply_len = -1;
5294         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
5295                 reply_len = wpa_supplicant_ctrl_iface_get_network(
5296                         wpa_s, buf + 12, reply, reply_size);
5297         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
5298                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
5299                         wpa_s, reply, reply_size);
5300         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
5301                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
5302                         wpa_s, reply, reply_size);
5303         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
5304                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
5305                         reply_len = -1;
5306         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
5307                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
5308                         reply_len = -1;
5309 #ifndef CONFIG_NO_CONFIG_WRITE
5310         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
5311                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
5312                         reply_len = -1;
5313 #endif /* CONFIG_NO_CONFIG_WRITE */
5314         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
5315                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
5316                         wpa_s, buf + 15, reply, reply_size);
5317         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
5318                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
5319                         reply_len = -1;
5320         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
5321                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
5322                         reply_len = -1;
5323         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5324                 reply_len = wpa_supplicant_global_iface_list(
5325                         wpa_s->global, reply, reply_size);
5326         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5327                 reply_len = wpa_supplicant_global_iface_interfaces(
5328                         wpa_s->global, reply, reply_size);
5329         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
5330                 reply_len = wpa_supplicant_ctrl_iface_bss(
5331                         wpa_s, buf + 4, reply, reply_size);
5332 #ifdef CONFIG_AP
5333         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
5334                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
5335         } else if (os_strncmp(buf, "STA ", 4) == 0) {
5336                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
5337                                               reply_size);
5338         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
5339                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
5340                                                    reply_size);
5341         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
5342                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
5343                         reply_len = -1;
5344         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
5345                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
5346                         reply_len = -1;
5347 #endif /* CONFIG_AP */
5348         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5349                 wpas_notify_suspend(wpa_s->global);
5350         } else if (os_strcmp(buf, "RESUME") == 0) {
5351                 wpas_notify_resume(wpa_s->global);
5352         } else if (os_strcmp(buf, "DROP_SA") == 0) {
5353                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
5354         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
5355                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
5356                         reply_len = -1;
5357         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
5358                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
5359                         reply_len = -1;
5360         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
5361                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
5362                         reply_len = -1;
5363         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
5364                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
5365                                                                buf + 17))
5366                         reply_len = -1;
5367         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
5368                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
5369                         reply_len = -1;
5370 #ifdef CONFIG_TDLS
5371         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
5372                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
5373                         reply_len = -1;
5374         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
5375                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
5376                         reply_len = -1;
5377         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
5378                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
5379                         reply_len = -1;
5380 #endif /* CONFIG_TDLS */
5381         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
5382                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
5383                                                        reply_size);
5384         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
5385                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
5386                                                        reply_size);
5387 #ifdef CONFIG_AUTOSCAN
5388         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
5389                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
5390                         reply_len = -1;
5391 #endif /* CONFIG_AUTOSCAN */
5392         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
5393                 pmksa_cache_clear_current(wpa_s->wpa);
5394                 eapol_sm_request_reauth(wpa_s->eapol);
5395 #ifdef CONFIG_WNM
5396         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
5397                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
5398                         reply_len = -1;
5399 #endif /* CONFIG_WNM */
5400         } else {
5401                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5402                 reply_len = 16;
5403         }
5404
5405         if (reply_len < 0) {
5406                 os_memcpy(reply, "FAIL\n", 5);
5407                 reply_len = 5;
5408         }
5409
5410         if (ctrl_rsp)
5411                 eapol_sm_notify_ctrl_response(wpa_s->eapol);
5412
5413         *resp_len = reply_len;
5414         return reply;
5415 }
5416
5417
5418 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
5419                                            char *cmd)
5420 {
5421         struct wpa_interface iface;
5422         char *pos;
5423
5424         /*
5425          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
5426          * TAB<bridge_ifname>
5427          */
5428         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
5429
5430         os_memset(&iface, 0, sizeof(iface));
5431
5432         do {
5433                 iface.ifname = pos = cmd;
5434                 pos = os_strchr(pos, '\t');
5435                 if (pos)
5436                         *pos++ = '\0';
5437                 if (iface.ifname[0] == '\0')
5438                         return -1;
5439                 if (pos == NULL)
5440                         break;
5441
5442                 iface.confname = pos;
5443                 pos = os_strchr(pos, '\t');
5444                 if (pos)
5445                         *pos++ = '\0';
5446                 if (iface.confname[0] == '\0')
5447                         iface.confname = NULL;
5448                 if (pos == NULL)
5449                         break;
5450
5451                 iface.driver = pos;
5452                 pos = os_strchr(pos, '\t');
5453                 if (pos)
5454                         *pos++ = '\0';
5455                 if (iface.driver[0] == '\0')
5456                         iface.driver = NULL;
5457                 if (pos == NULL)
5458                         break;
5459
5460                 iface.ctrl_interface = pos;
5461                 pos = os_strchr(pos, '\t');
5462                 if (pos)
5463                         *pos++ = '\0';
5464                 if (iface.ctrl_interface[0] == '\0')
5465                         iface.ctrl_interface = NULL;
5466                 if (pos == NULL)
5467                         break;
5468
5469                 iface.driver_param = pos;
5470                 pos = os_strchr(pos, '\t');
5471                 if (pos)
5472                         *pos++ = '\0';
5473                 if (iface.driver_param[0] == '\0')
5474                         iface.driver_param = NULL;
5475                 if (pos == NULL)
5476                         break;
5477
5478                 iface.bridge_ifname = pos;
5479                 pos = os_strchr(pos, '\t');
5480                 if (pos)
5481                         *pos++ = '\0';
5482                 if (iface.bridge_ifname[0] == '\0')
5483                         iface.bridge_ifname = NULL;
5484                 if (pos == NULL)
5485                         break;
5486         } while (0);
5487
5488         if (wpa_supplicant_get_iface(global, iface.ifname))
5489                 return -1;
5490
5491         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
5492 }
5493
5494
5495 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
5496                                               char *cmd)
5497 {
5498         struct wpa_supplicant *wpa_s;
5499
5500         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
5501
5502         wpa_s = wpa_supplicant_get_iface(global, cmd);
5503         if (wpa_s == NULL)
5504                 return -1;
5505         return wpa_supplicant_remove_iface(global, wpa_s, 0);
5506 }
5507
5508
5509 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5510 {
5511         struct wpa_interface_info *prev;
5512
5513         while (iface) {
5514                 prev = iface;
5515                 iface = iface->next;
5516
5517                 os_free(prev->ifname);
5518                 os_free(prev->desc);
5519                 os_free(prev);
5520         }
5521 }
5522
5523
5524 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5525                                             char *buf, int len)
5526 {
5527         int i, res;
5528         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5529         char *pos, *end;
5530
5531         for (i = 0; wpa_drivers[i]; i++) {
5532                 struct wpa_driver_ops *drv = wpa_drivers[i];
5533                 if (drv->get_interfaces == NULL)
5534                         continue;
5535                 tmp = drv->get_interfaces(global->drv_priv[i]);
5536                 if (tmp == NULL)
5537                         continue;
5538
5539                 if (last == NULL)
5540                         iface = last = tmp;
5541                 else
5542                         last->next = tmp;
5543                 while (last->next)
5544                         last = last->next;
5545         }
5546
5547         pos = buf;
5548         end = buf + len;
5549         for (tmp = iface; tmp; tmp = tmp->next) {
5550                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5551                                   tmp->drv_name, tmp->ifname,
5552                                   tmp->desc ? tmp->desc : "");
5553                 if (res < 0 || res >= end - pos) {
5554                         *pos = '\0';
5555                         break;
5556                 }
5557                 pos += res;
5558         }
5559
5560         wpa_free_iface_info(iface);
5561
5562         return pos - buf;
5563 }
5564
5565
5566 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5567                                                   char *buf, int len)
5568 {
5569         int res;
5570         char *pos, *end;
5571         struct wpa_supplicant *wpa_s;
5572
5573         wpa_s = global->ifaces;
5574         pos = buf;
5575         end = buf + len;
5576
5577         while (wpa_s) {
5578                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5579                 if (res < 0 || res >= end - pos) {
5580                         *pos = '\0';
5581                         break;
5582                 }
5583                 pos += res;
5584                 wpa_s = wpa_s->next;
5585         }
5586         return pos - buf;
5587 }
5588
5589
5590 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
5591                                                 char *buf, size_t *resp_len)
5592 {
5593         char *reply;
5594         const int reply_size = 2048;
5595         int reply_len;
5596         int level = MSG_DEBUG;
5597
5598         if (os_strcmp(buf, "PING") == 0)
5599                 level = MSG_EXCESSIVE;
5600         wpa_hexdump_ascii(level, "RX global ctrl_iface",
5601                           (const u8 *) buf, os_strlen(buf));
5602
5603         reply = os_malloc(reply_size);
5604         if (reply == NULL) {
5605                 *resp_len = 1;
5606                 return NULL;
5607         }
5608
5609         os_memcpy(reply, "OK\n", 3);
5610         reply_len = 3;
5611
5612         if (os_strcmp(buf, "PING") == 0) {
5613                 os_memcpy(reply, "PONG\n", 5);
5614                 reply_len = 5;
5615         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
5616                 if (wpa_supplicant_global_iface_add(global, buf + 14))
5617                         reply_len = -1;
5618         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
5619                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
5620                         reply_len = -1;
5621         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5622                 reply_len = wpa_supplicant_global_iface_list(
5623                         global, reply, reply_size);
5624         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5625                 reply_len = wpa_supplicant_global_iface_interfaces(
5626                         global, reply, reply_size);
5627         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5628                 wpa_supplicant_terminate_proc(global);
5629         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5630                 wpas_notify_suspend(global);
5631         } else if (os_strcmp(buf, "RESUME") == 0) {
5632                 wpas_notify_resume(global);
5633         } else {
5634                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5635                 reply_len = 16;
5636         }
5637
5638         if (reply_len < 0) {
5639                 os_memcpy(reply, "FAIL\n", 5);
5640                 reply_len = 5;
5641         }
5642
5643         *resp_len = reply_len;
5644         return reply;
5645 }