contrib/wpa/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         ret = wpa_tdls_reneg(wpa_s->wpa, peer);
 558         if (ret) {
 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
 565         return ret;
 566 }
 567
 568
 569 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 570         struct wpa_supplicant *wpa_s, char *addr)
 571 {
 572         u8 peer[ETH_ALEN];
 573
 574         if (hwaddr_aton(addr, peer)) {
 575                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 576                            "address '%s'", addr);
 577                 return -1;
 578         }
 579
 580         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 581                    MAC2STR(peer));
 582
 583         return wpa_tdls_teardown_link(wpa_s->wpa, peer,
 584                                       WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 585 }
 586
 587 #endif /* CONFIG_TDLS */
 588
 589
 590 #ifdef CONFIG_IEEE80211R
 591 static int wpa_supplicant_ctrl_iface_ft_ds(
 592         struct wpa_supplicant *wpa_s, char *addr)
 593 {
 594         u8 target_ap[ETH_ALEN];
 595         struct wpa_bss *bss;
 596         const u8 *mdie;
 597
 598         if (hwaddr_aton(addr, target_ap)) {
 599                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 600                            "address '%s'", addr);
 601                 return -1;
 602         }
 603
 604         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 605
 606         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 607         if (bss)
 608                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 609         else
 610                 mdie = NULL;
 611
 612         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 613 }
 614 #endif /* CONFIG_IEEE80211R */
 615
 616
 617 #ifdef CONFIG_WPS
 618 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 619                                              char *cmd)
 620 {
 621         u8 bssid[ETH_ALEN], *_bssid = bssid;
 622 #ifdef CONFIG_P2P
 623         u8 p2p_dev_addr[ETH_ALEN];
 624 #endif /* CONFIG_P2P */
 625 #ifdef CONFIG_AP
 626         u8 *_p2p_dev_addr = NULL;
 627 #endif /* CONFIG_AP */
 628
 629         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 630                 _bssid = NULL;
 631 #ifdef CONFIG_P2P
 632         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 633                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 634                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 635                                    "P2P Device Address '%s'",
 636                                    cmd + 13);
 637                         return -1;
 638                 }
 639                 _p2p_dev_addr = p2p_dev_addr;
 640 #endif /* CONFIG_P2P */
 641         } else if (hwaddr_aton(cmd, bssid)) {
 642                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 643                            cmd);
 644                 return -1;
 645         }
 646
 647 #ifdef CONFIG_AP
 648         if (wpa_s->ap_iface)
 649                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 650 #endif /* CONFIG_AP */
 651
 652         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 653 }
 654
 655
 656 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 657                                              char *cmd, char *buf,
 658                                              size_t buflen)
 659 {
 660         u8 bssid[ETH_ALEN], *_bssid = bssid;
 661         char *pin;
 662         int ret;
 663
 664         pin = os_strchr(cmd, ' ');
 665         if (pin)
 666                 *pin++ = '\0';
 667
 668         if (os_strcmp(cmd, "any") == 0)
 669                 _bssid = NULL;
 670         else if (os_strcmp(cmd, "get") == 0) {
 671                 ret = wps_generate_pin();
 672                 goto done;
 673         } else if (hwaddr_aton(cmd, bssid)) {
 674                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 675                            cmd);
 676                 return -1;
 677         }
 678
 679 #ifdef CONFIG_AP
 680         if (wpa_s->ap_iface) {
 681                 int timeout = 0;
 682                 char *pos;
 683
 684                 if (pin) {
 685                         pos = os_strchr(pin, ' ');
 686                         if (pos) {
 687                                 *pos++ = '\0';
 688                                 timeout = atoi(pos);
 689                         }
 690                 }
 691
 692                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 693                                                  buf, buflen, timeout);
 694         }
 695 #endif /* CONFIG_AP */
 696
 697         if (pin) {
 698                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 699                                          DEV_PW_DEFAULT);
 700                 if (ret < 0)
 701                         return -1;
 702                 ret = os_snprintf(buf, buflen, "%s", pin);
 703                 if (ret < 0 || (size_t) ret >= buflen)
 704                         return -1;
 705                 return ret;
 706         }
 707
 708         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 709         if (ret < 0)
 710                 return -1;
 711
 712 done:
 713         /* Return the generated PIN */
 714         ret = os_snprintf(buf, buflen, "%08d", ret);
 715         if (ret < 0 || (size_t) ret >= buflen)
 716                 return -1;
 717         return ret;
 718 }
 719
 720
 721 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 722         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 723 {
 724         char pin[9];
 725         size_t len;
 726         char *pos;
 727         int ret;
 728
 729         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
 730                               (u8 *) cmd, os_strlen(cmd));
 731         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
 732                 if (*pos < '0' || *pos > '9')
 733                         continue;
 734                 pin[len++] = *pos;
 735                 if (len == 9) {
 736                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
 737                         return -1;
 738                 }
 739         }
 740         if (len != 4 && len != 8) {
 741                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
 742                 return -1;
 743         }
 744         pin[len] = '\0';
 745
 746         if (len == 8) {
 747                 unsigned int pin_val;
 748                 pin_val = atoi(pin);
 749                 if (!wps_pin_valid(pin_val)) {
 750                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
 751                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
 752                         if (ret < 0 || (size_t) ret >= buflen)
 753                                 return -1;
 754                         return ret;
 755                 }
 756         }
 757
 758         ret = os_snprintf(buf, buflen, "%s", pin);
 759         if (ret < 0 || (size_t) ret >= buflen)
 760                 return -1;
 761
 762         return ret;
 763 }
 764
 765
 766 #ifdef CONFIG_WPS_NFC
 767
 768 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
 769                                              char *cmd)
 770 {
 771         u8 bssid[ETH_ALEN], *_bssid = bssid;
 772
 773         if (cmd == NULL || cmd[0] == '\0')
 774                 _bssid = NULL;
 775         else if (hwaddr_aton(cmd, bssid))
 776                 return -1;
 777
 778         return wpas_wps_start_nfc(wpa_s, _bssid);
 779 }
 780
 781
 782 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
 783         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 784 {
 785         int ndef;
 786         struct wpabuf *buf;
 787         int res;
 788
 789         if (os_strcmp(cmd, "WPS") == 0)
 790                 ndef = 0;
 791         else if (os_strcmp(cmd, "NDEF") == 0)
 792                 ndef = 1;
 793         else
 794                 return -1;
 795
 796         buf = wpas_wps_nfc_token(wpa_s, ndef);
 797         if (buf == NULL)
 798                 return -1;
 799
 800         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 801                                          wpabuf_len(buf));
 802         reply[res++] = '\n';
 803         reply[res] = '\0';
 804
 805         wpabuf_free(buf);
 806
 807         return res;
 808 }
 809
 810
 811 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
 812         struct wpa_supplicant *wpa_s, char *pos)
 813 {
 814         size_t len;
 815         struct wpabuf *buf;
 816         int ret;
 817
 818         len = os_strlen(pos);
 819         if (len & 0x01)
 820                 return -1;
 821         len /= 2;
 822
 823         buf = wpabuf_alloc(len);
 824         if (buf == NULL)
 825                 return -1;
 826         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
 827                 wpabuf_free(buf);
 828                 return -1;
 829         }
 830
 831         ret = wpas_wps_nfc_tag_read(wpa_s, buf);
 832         wpabuf_free(buf);
 833
 834         return ret;
 835 }
 836
 837
 838 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
 839                                               char *reply, size_t max_len)
 840 {
 841         struct wpabuf *buf;
 842         int res;
 843
 844         buf = wpas_wps_nfc_handover_req(wpa_s);
 845         if (buf == NULL)
 846                 return -1;
 847
 848         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 849                                          wpabuf_len(buf));
 850         reply[res++] = '\n';
 851         reply[res] = '\0';
 852
 853         wpabuf_free(buf);
 854
 855         return res;
 856 }
 857
 858
 859 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
 860                                           char *cmd, char *reply,
 861                                           size_t max_len)
 862 {
 863         char *pos;
 864
 865         pos = os_strchr(cmd, ' ');
 866         if (pos == NULL)
 867                 return -1;
 868         *pos++ = '\0';
 869
 870         if (os_strcmp(cmd, "NDEF") != 0)
 871                 return -1;
 872
 873         if (os_strcmp(pos, "WPS") == 0) {
 874                 return wpas_ctrl_nfc_get_handover_req_wps(wpa_s, reply,
 875                                                           max_len);
 876         }
 877
 878         return -1;
 879 }
 880
 881
 882 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
 883                                               char *reply, size_t max_len)
 884 {
 885         struct wpabuf *buf;
 886         int res;
 887
 888         buf = wpas_wps_nfc_handover_sel(wpa_s);
 889         if (buf == NULL)
 890                 return -1;
 891
 892         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 893                                          wpabuf_len(buf));
 894         reply[res++] = '\n';
 895         reply[res] = '\0';
 896
 897         wpabuf_free(buf);
 898
 899         return res;
 900 }
 901
 902
 903 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
 904                                           char *cmd, char *reply,
 905                                           size_t max_len)
 906 {
 907         char *pos;
 908
 909         pos = os_strchr(cmd, ' ');
 910         if (pos == NULL)
 911                 return -1;
 912         *pos++ = '\0';
 913
 914         if (os_strcmp(cmd, "NDEF") != 0)
 915                 return -1;
 916
 917         if (os_strcmp(pos, "WPS") == 0) {
 918                 return wpas_ctrl_nfc_get_handover_sel_wps(wpa_s, reply,
 919                                                           max_len);
 920         }
 921
 922         return -1;
 923 }
 924
 925
 926 static int wpas_ctrl_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
 927                                          char *cmd, char *reply,
 928                                          size_t max_len)
 929 {
 930         size_t len;
 931         struct wpabuf *buf;
 932         int ret;
 933
 934         len = os_strlen(cmd);
 935         if (len & 0x01)
 936                 return -1;
 937         len /= 2;
 938
 939         buf = wpabuf_alloc(len);
 940         if (buf == NULL)
 941                 return -1;
 942         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
 943                 wpabuf_free(buf);
 944                 return -1;
 945         }
 946
 947         ret = wpas_wps_nfc_rx_handover_req(wpa_s, buf);
 948         wpabuf_free(buf);
 949
 950         return ret;
 951 }
 952
 953
 954 static int wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
 955                                          char *cmd)
 956 {
 957         size_t len;
 958         struct wpabuf *buf;
 959         int ret;
 960
 961         len = os_strlen(cmd);
 962         if (len & 0x01)
 963                 return -1;
 964         len /= 2;
 965
 966         buf = wpabuf_alloc(len);
 967         if (buf == NULL)
 968                 return -1;
 969         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
 970                 wpabuf_free(buf);
 971                 return -1;
 972         }
 973
 974         ret = wpas_wps_nfc_rx_handover_sel(wpa_s, buf);
 975         wpabuf_free(buf);
 976
 977         return ret;
 978 }
 979
 980 #endif /* CONFIG_WPS_NFC */
 981
 982
 983 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
 984                                              char *cmd)
 985 {
 986         u8 bssid[ETH_ALEN];
 987         char *pin;
 988         char *new_ssid;
 989         char *new_auth;
 990         char *new_encr;
 991         char *new_key;
 992         struct wps_new_ap_settings ap;
 993
 994         pin = os_strchr(cmd, ' ');
 995         if (pin == NULL)
 996                 return -1;
 997         *pin++ = '\0';
 998
 999         if (hwaddr_aton(cmd, bssid)) {
1000                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1001                            cmd);
1002                 return -1;
1003         }
1004
1005         new_ssid = os_strchr(pin, ' ');
1006         if (new_ssid == NULL)
1007                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1008         *new_ssid++ = '\0';
1009
1010         new_auth = os_strchr(new_ssid, ' ');
1011         if (new_auth == NULL)
1012                 return -1;
1013         *new_auth++ = '\0';
1014
1015         new_encr = os_strchr(new_auth, ' ');
1016         if (new_encr == NULL)
1017                 return -1;
1018         *new_encr++ = '\0';
1019
1020         new_key = os_strchr(new_encr, ' ');
1021         if (new_key == NULL)
1022                 return -1;
1023         *new_key++ = '\0';
1024
1025         os_memset(&ap, 0, sizeof(ap));
1026         ap.ssid_hex = new_ssid;
1027         ap.auth = new_auth;
1028         ap.encr = new_encr;
1029         ap.key_hex = new_key;
1030         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1031 }
1032
1033
1034 #ifdef CONFIG_AP
1035 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1036                                                 char *cmd, char *buf,
1037                                                 size_t buflen)
1038 {
1039         int timeout = 300;
1040         char *pos;
1041         const char *pin_txt;
1042
1043         if (!wpa_s->ap_iface)
1044                 return -1;
1045
1046         pos = os_strchr(cmd, ' ');
1047         if (pos)
1048                 *pos++ = '\0';
1049
1050         if (os_strcmp(cmd, "disable") == 0) {
1051                 wpas_wps_ap_pin_disable(wpa_s);
1052                 return os_snprintf(buf, buflen, "OK\n");
1053         }
1054
1055         if (os_strcmp(cmd, "random") == 0) {
1056                 if (pos)
1057                         timeout = atoi(pos);
1058                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1059                 if (pin_txt == NULL)
1060                         return -1;
1061                 return os_snprintf(buf, buflen, "%s", pin_txt);
1062         }
1063
1064         if (os_strcmp(cmd, "get") == 0) {
1065                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1066                 if (pin_txt == NULL)
1067                         return -1;
1068                 return os_snprintf(buf, buflen, "%s", pin_txt);
1069         }
1070
1071         if (os_strcmp(cmd, "set") == 0) {
1072                 char *pin;
1073                 if (pos == NULL)
1074                         return -1;
1075                 pin = pos;
1076                 pos = os_strchr(pos, ' ');
1077                 if (pos) {
1078                         *pos++ = '\0';
1079                         timeout = atoi(pos);
1080                 }
1081                 if (os_strlen(pin) > buflen)
1082                         return -1;
1083                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1084                         return -1;
1085                 return os_snprintf(buf, buflen, "%s", pin);
1086         }
1087
1088         return -1;
1089 }
1090 #endif /* CONFIG_AP */
1091
1092
1093 #ifdef CONFIG_WPS_ER
1094 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1095                                                 char *cmd)
1096 {
1097         char *uuid = cmd, *pin, *pos;
1098         u8 addr_buf[ETH_ALEN], *addr = NULL;
1099         pin = os_strchr(uuid, ' ');
1100         if (pin == NULL)
1101                 return -1;
1102         *pin++ = '\0';
1103         pos = os_strchr(pin, ' ');
1104         if (pos) {
1105                 *pos++ = '\0';
1106                 if (hwaddr_aton(pos, addr_buf) == 0)
1107                         addr = addr_buf;
1108         }
1109         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1110 }
1111
1112
1113 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1114                                                   char *cmd)
1115 {
1116         char *uuid = cmd, *pin;
1117         pin = os_strchr(uuid, ' ');
1118         if (pin == NULL)
1119                 return -1;
1120         *pin++ = '\0';
1121         return wpas_wps_er_learn(wpa_s, uuid, pin);
1122 }
1123
1124
1125 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1126         struct wpa_supplicant *wpa_s, char *cmd)
1127 {
1128         char *uuid = cmd, *id;
1129         id = os_strchr(uuid, ' ');
1130         if (id == NULL)
1131                 return -1;
1132         *id++ = '\0';
1133         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1134 }
1135
1136
1137 static int wpa_supplicant_ctrl_iface_wps_er_config(
1138         struct wpa_supplicant *wpa_s, char *cmd)
1139 {
1140         char *pin;
1141         char *new_ssid;
1142         char *new_auth;
1143         char *new_encr;
1144         char *new_key;
1145         struct wps_new_ap_settings ap;
1146
1147         pin = os_strchr(cmd, ' ');
1148         if (pin == NULL)
1149                 return -1;
1150         *pin++ = '\0';
1151
1152         new_ssid = os_strchr(pin, ' ');
1153         if (new_ssid == NULL)
1154                 return -1;
1155         *new_ssid++ = '\0';
1156
1157         new_auth = os_strchr(new_ssid, ' ');
1158         if (new_auth == NULL)
1159                 return -1;
1160         *new_auth++ = '\0';
1161
1162         new_encr = os_strchr(new_auth, ' ');
1163         if (new_encr == NULL)
1164                 return -1;
1165         *new_encr++ = '\0';
1166
1167         new_key = os_strchr(new_encr, ' ');
1168         if (new_key == NULL)
1169                 return -1;
1170         *new_key++ = '\0';
1171
1172         os_memset(&ap, 0, sizeof(ap));
1173         ap.ssid_hex = new_ssid;
1174         ap.auth = new_auth;
1175         ap.encr = new_encr;
1176         ap.key_hex = new_key;
1177         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1178 }
1179
1180
1181 #ifdef CONFIG_WPS_NFC
1182 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1183         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1184 {
1185         int ndef;
1186         struct wpabuf *buf;
1187         int res;
1188         char *uuid;
1189
1190         uuid = os_strchr(cmd, ' ');
1191         if (uuid == NULL)
1192                 return -1;
1193         *uuid++ = '\0';
1194
1195         if (os_strcmp(cmd, "WPS") == 0)
1196                 ndef = 0;
1197         else if (os_strcmp(cmd, "NDEF") == 0)
1198                 ndef = 1;
1199         else
1200                 return -1;
1201
1202         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1203         if (buf == NULL)
1204                 return -1;
1205
1206         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1207                                          wpabuf_len(buf));
1208         reply[res++] = '\n';
1209         reply[res] = '\0';
1210
1211         wpabuf_free(buf);
1212
1213         return res;
1214 }
1215 #endif /* CONFIG_WPS_NFC */
1216 #endif /* CONFIG_WPS_ER */
1217
1218 #endif /* CONFIG_WPS */
1219
1220
1221 #ifdef CONFIG_IBSS_RSN
1222 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1223         struct wpa_supplicant *wpa_s, char *addr)
1224 {
1225         u8 peer[ETH_ALEN];
1226
1227         if (hwaddr_aton(addr, peer)) {
1228                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1229                            "address '%s'", addr);
1230                 return -1;
1231         }
1232
1233         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1234                    MAC2STR(peer));
1235
1236         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1237 }
1238 #endif /* CONFIG_IBSS_RSN */
1239
1240
1241 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1242                                               char *rsp)
1243 {
1244 #ifdef IEEE8021X_EAPOL
1245         char *pos, *id_pos;
1246         int id;
1247         struct wpa_ssid *ssid;
1248
1249         pos = os_strchr(rsp, '-');
1250         if (pos == NULL)
1251                 return -1;
1252         *pos++ = '\0';
1253         id_pos = pos;
1254         pos = os_strchr(pos, ':');
1255         if (pos == NULL)
1256                 return -1;
1257         *pos++ = '\0';
1258         id = atoi(id_pos);
1259         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1260         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1261                               (u8 *) pos, os_strlen(pos));
1262
1263         ssid = wpa_config_get_network(wpa_s->conf, id);
1264         if (ssid == NULL) {
1265                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1266                            "to update", id);
1267                 return -1;
1268         }
1269
1270         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1271                                                          pos);
1272 #else /* IEEE8021X_EAPOL */
1273         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1274         return -1;
1275 #endif /* IEEE8021X_EAPOL */
1276 }
1277
1278
1279 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1280                                             const char *params,
1281                                             char *buf, size_t buflen)
1282 {
1283         char *pos, *end, tmp[30];
1284         int res, verbose, wps, ret;
1285
1286         verbose = os_strcmp(params, "-VERBOSE") == 0;
1287         wps = os_strcmp(params, "-WPS") == 0;
1288         pos = buf;
1289         end = buf + buflen;
1290         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1291                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1292                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1293                                   MAC2STR(wpa_s->bssid));
1294                 if (ret < 0 || ret >= end - pos)
1295                         return pos - buf;
1296                 pos += ret;
1297                 if (ssid) {
1298                         u8 *_ssid = ssid->ssid;
1299                         size_t ssid_len = ssid->ssid_len;
1300                         u8 ssid_buf[MAX_SSID_LEN];
1301                         if (ssid_len == 0) {
1302                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1303                                 if (_res < 0)
1304                                         ssid_len = 0;
1305                                 else
1306                                         ssid_len = _res;
1307                                 _ssid = ssid_buf;
1308                         }
1309                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1310                                           wpa_ssid_txt(_ssid, ssid_len),
1311                                           ssid->id);
1312                         if (ret < 0 || ret >= end - pos)
1313                                 return pos - buf;
1314                         pos += ret;
1315
1316                         if (wps && ssid->passphrase &&
1317                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1318                             (ssid->mode == WPAS_MODE_AP ||
1319                              ssid->mode == WPAS_MODE_P2P_GO)) {
1320                                 ret = os_snprintf(pos, end - pos,
1321                                                   "passphrase=%s\n",
1322                                                   ssid->passphrase);
1323                                 if (ret < 0 || ret >= end - pos)
1324                                         return pos - buf;
1325                                 pos += ret;
1326                         }
1327                         if (ssid->id_str) {
1328                                 ret = os_snprintf(pos, end - pos,
1329                                                   "id_str=%s\n",
1330                                                   ssid->id_str);
1331                                 if (ret < 0 || ret >= end - pos)
1332                                         return pos - buf;
1333                                 pos += ret;
1334                         }
1335
1336                         switch (ssid->mode) {
1337                         case WPAS_MODE_INFRA:
1338                                 ret = os_snprintf(pos, end - pos,
1339                                                   "mode=station\n");
1340                                 break;
1341                         case WPAS_MODE_IBSS:
1342                                 ret = os_snprintf(pos, end - pos,
1343                                                   "mode=IBSS\n");
1344                                 break;
1345                         case WPAS_MODE_AP:
1346                                 ret = os_snprintf(pos, end - pos,
1347                                                   "mode=AP\n");
1348                                 break;
1349                         case WPAS_MODE_P2P_GO:
1350                                 ret = os_snprintf(pos, end - pos,
1351                                                   "mode=P2P GO\n");
1352                                 break;
1353                         case WPAS_MODE_P2P_GROUP_FORMATION:
1354                                 ret = os_snprintf(pos, end - pos,
1355                                                   "mode=P2P GO - group "
1356                                                   "formation\n");
1357                                 break;
1358                         default:
1359                                 ret = 0;
1360                                 break;
1361                         }
1362                         if (ret < 0 || ret >= end - pos)
1363                                 return pos - buf;
1364                         pos += ret;
1365                 }
1366
1367 #ifdef CONFIG_AP
1368                 if (wpa_s->ap_iface) {
1369                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1370                                                             end - pos,
1371                                                             verbose);
1372                 } else
1373 #endif /* CONFIG_AP */
1374                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1375         }
1376         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1377                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1378         if (ret < 0 || ret >= end - pos)
1379                 return pos - buf;
1380         pos += ret;
1381
1382         if (wpa_s->l2 &&
1383             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1384                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1385                 if (ret < 0 || ret >= end - pos)
1386                         return pos - buf;
1387                 pos += ret;
1388         }
1389
1390 #ifdef CONFIG_P2P
1391         if (wpa_s->global->p2p) {
1392                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1393                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1394                 if (ret < 0 || ret >= end - pos)
1395                         return pos - buf;
1396                 pos += ret;
1397         }
1398 #endif /* CONFIG_P2P */
1399
1400         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1401                           MAC2STR(wpa_s->own_addr));
1402         if (ret < 0 || ret >= end - pos)
1403                 return pos - buf;
1404         pos += ret;
1405
1406 #ifdef CONFIG_HS20
1407         if (wpa_s->current_bss &&
1408             wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE) &&
1409             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1410             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1411                 ret = os_snprintf(pos, end - pos, "hs20=1\n");
1412                 if (ret < 0 || ret >= end - pos)
1413                         return pos - buf;
1414                 pos += ret;
1415         }
1416
1417         if (wpa_s->current_ssid) {
1418                 struct wpa_cred *cred;
1419                 char *type;
1420
1421                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1422                         if (wpa_s->current_ssid->parent_cred != cred)
1423                                 continue;
1424                         if (!cred->domain)
1425                                 continue;
1426
1427                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1428                                           cred->domain);
1429                         if (ret < 0 || ret >= end - pos)
1430                                 return pos - buf;
1431                         pos += ret;
1432
1433                         if (wpa_s->current_bss == NULL ||
1434                             wpa_s->current_bss->anqp == NULL)
1435                                 res = -1;
1436                         else
1437                                 res = interworking_home_sp_cred(
1438                                         wpa_s, cred,
1439                                         wpa_s->current_bss->anqp->domain_name);
1440                         if (res > 0)
1441                                 type = "home";
1442                         else if (res == 0)
1443                                 type = "roaming";
1444                         else
1445                                 type = "unknown";
1446
1447                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1448                         if (ret < 0 || ret >= end - pos)
1449                                 return pos - buf;
1450                         pos += ret;
1451
1452                         break;
1453                 }
1454         }
1455 #endif /* CONFIG_HS20 */
1456
1457         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1458             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1459                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1460                                           verbose);
1461                 if (res >= 0)
1462                         pos += res;
1463         }
1464
1465         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1466         if (res >= 0)
1467                 pos += res;
1468
1469         return pos - buf;
1470 }
1471
1472
1473 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1474                                            char *cmd)
1475 {
1476         char *pos;
1477         int id;
1478         struct wpa_ssid *ssid;
1479         u8 bssid[ETH_ALEN];
1480
1481         /* cmd: "<network id> <BSSID>" */
1482         pos = os_strchr(cmd, ' ');
1483         if (pos == NULL)
1484                 return -1;
1485         *pos++ = '\0';
1486         id = atoi(cmd);
1487         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1488         if (hwaddr_aton(pos, bssid)) {
1489                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1490                 return -1;
1491         }
1492
1493         ssid = wpa_config_get_network(wpa_s->conf, id);
1494         if (ssid == NULL) {
1495                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1496                            "to update", id);
1497                 return -1;
1498         }
1499
1500         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1501         ssid->bssid_set = !is_zero_ether_addr(bssid);
1502
1503         return 0;
1504 }
1505
1506
1507 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1508                                                char *cmd, char *buf,
1509                                                size_t buflen)
1510 {
1511         u8 bssid[ETH_ALEN];
1512         struct wpa_blacklist *e;
1513         char *pos, *end;
1514         int ret;
1515
1516         /* cmd: "BLACKLIST [<BSSID>]" */
1517         if (*cmd == '\0') {
1518                 pos = buf;
1519                 end = buf + buflen;
1520                 e = wpa_s->blacklist;
1521                 while (e) {
1522                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1523                                           MAC2STR(e->bssid));
1524                         if (ret < 0 || ret >= end - pos)
1525                                 return pos - buf;
1526                         pos += ret;
1527                         e = e->next;
1528                 }
1529                 return pos - buf;
1530         }
1531
1532         cmd++;
1533         if (os_strncmp(cmd, "clear", 5) == 0) {
1534                 wpa_blacklist_clear(wpa_s);
1535                 os_memcpy(buf, "OK\n", 3);
1536                 return 3;
1537         }
1538
1539         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1540         if (hwaddr_aton(cmd, bssid)) {
1541                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1542                 return -1;
1543         }
1544
1545         /*
1546          * Add the BSSID twice, so its count will be 2, causing it to be
1547          * skipped when processing scan results.
1548          */
1549         ret = wpa_blacklist_add(wpa_s, bssid);
1550         if (ret != 0)
1551                 return -1;
1552         ret = wpa_blacklist_add(wpa_s, bssid);
1553         if (ret != 0)
1554                 return -1;
1555         os_memcpy(buf, "OK\n", 3);
1556         return 3;
1557 }
1558
1559
1560 extern int wpa_debug_level;
1561 extern int wpa_debug_timestamp;
1562
1563 static const char * debug_level_str(int level)
1564 {
1565         switch (level) {
1566         case MSG_EXCESSIVE:
1567                 return "EXCESSIVE";
1568         case MSG_MSGDUMP:
1569                 return "MSGDUMP";
1570         case MSG_DEBUG:
1571                 return "DEBUG";
1572         case MSG_INFO:
1573                 return "INFO";
1574         case MSG_WARNING:
1575                 return "WARNING";
1576         case MSG_ERROR:
1577                 return "ERROR";
1578         default:
1579                 return "?";
1580         }
1581 }
1582
1583
1584 static int str_to_debug_level(const char *s)
1585 {
1586         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1587                 return MSG_EXCESSIVE;
1588         if (os_strcasecmp(s, "MSGDUMP") == 0)
1589                 return MSG_MSGDUMP;
1590         if (os_strcasecmp(s, "DEBUG") == 0)
1591                 return MSG_DEBUG;
1592         if (os_strcasecmp(s, "INFO") == 0)
1593                 return MSG_INFO;
1594         if (os_strcasecmp(s, "WARNING") == 0)
1595                 return MSG_WARNING;
1596         if (os_strcasecmp(s, "ERROR") == 0)
1597                 return MSG_ERROR;
1598         return -1;
1599 }
1600
1601
1602 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1603                                                char *cmd, char *buf,
1604                                                size_t buflen)
1605 {
1606         char *pos, *end, *stamp;
1607         int ret;
1608
1609         if (cmd == NULL) {
1610                 return -1;
1611         }
1612
1613         /* cmd: "LOG_LEVEL [<level>]" */
1614         if (*cmd == '\0') {
1615                 pos = buf;
1616                 end = buf + buflen;
1617                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1618                                   "Timestamp: %d\n",
1619                                   debug_level_str(wpa_debug_level),
1620                                   wpa_debug_timestamp);
1621                 if (ret < 0 || ret >= end - pos)
1622                         ret = 0;
1623
1624                 return ret;
1625         }
1626
1627         while (*cmd == ' ')
1628                 cmd++;
1629
1630         stamp = os_strchr(cmd, ' ');
1631         if (stamp) {
1632                 *stamp++ = '\0';
1633                 while (*stamp == ' ') {
1634                         stamp++;
1635                 }
1636         }
1637
1638         if (cmd && os_strlen(cmd)) {
1639                 int level = str_to_debug_level(cmd);
1640                 if (level < 0)
1641                         return -1;
1642                 wpa_debug_level = level;
1643         }
1644
1645         if (stamp && os_strlen(stamp))
1646                 wpa_debug_timestamp = atoi(stamp);
1647
1648         os_memcpy(buf, "OK\n", 3);
1649         return 3;
1650 }
1651
1652
1653 static int wpa_supplicant_ctrl_iface_list_networks(
1654         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1655 {
1656         char *pos, *end;
1657         struct wpa_ssid *ssid;
1658         int ret;
1659
1660         pos = buf;
1661         end = buf + buflen;
1662         ret = os_snprintf(pos, end - pos,
1663                           "network id / ssid / bssid / flags\n");
1664         if (ret < 0 || ret >= end - pos)
1665                 return pos - buf;
1666         pos += ret;
1667
1668         ssid = wpa_s->conf->ssid;
1669         while (ssid) {
1670                 ret = os_snprintf(pos, end - pos, "%d\t%s",
1671                                   ssid->id,
1672                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1673                 if (ret < 0 || ret >= end - pos)
1674                         return pos - buf;
1675                 pos += ret;
1676                 if (ssid->bssid_set) {
1677                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1678                                           MAC2STR(ssid->bssid));
1679                 } else {
1680                         ret = os_snprintf(pos, end - pos, "\tany");
1681                 }
1682                 if (ret < 0 || ret >= end - pos)
1683                         return pos - buf;
1684                 pos += ret;
1685                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
1686                                   ssid == wpa_s->current_ssid ?
1687                                   "[CURRENT]" : "",
1688                                   ssid->disabled ? "[DISABLED]" : "",
1689                                   ssid->disabled_until.sec ?
1690                                   "[TEMP-DISABLED]" : "",
1691                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1692                                   "");
1693                 if (ret < 0 || ret >= end - pos)
1694                         return pos - buf;
1695                 pos += ret;
1696                 ret = os_snprintf(pos, end - pos, "\n");
1697                 if (ret < 0 || ret >= end - pos)
1698                         return pos - buf;
1699                 pos += ret;
1700
1701                 ssid = ssid->next;
1702         }
1703
1704         return pos - buf;
1705 }
1706
1707
1708 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1709 {
1710         int first = 1, ret;
1711         ret = os_snprintf(pos, end - pos, "-");
1712         if (ret < 0 || ret >= end - pos)
1713                 return pos;
1714         pos += ret;
1715         if (cipher & WPA_CIPHER_NONE) {
1716                 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : "+");
1717                 if (ret < 0 || ret >= end - pos)
1718                         return pos;
1719                 pos += ret;
1720                 first = 0;
1721         }
1722         if (cipher & WPA_CIPHER_WEP40) {
1723                 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : "+");
1724                 if (ret < 0 || ret >= end - pos)
1725                         return pos;
1726                 pos += ret;
1727                 first = 0;
1728         }
1729         if (cipher & WPA_CIPHER_WEP104) {
1730                 ret = os_snprintf(pos, end - pos, "%sWEP104",
1731                                   first ? "" : "+");
1732                 if (ret < 0 || ret >= end - pos)
1733                         return pos;
1734                 pos += ret;
1735                 first = 0;
1736         }
1737         if (cipher & WPA_CIPHER_TKIP) {
1738                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : "+");
1739                 if (ret < 0 || ret >= end - pos)
1740                         return pos;
1741                 pos += ret;
1742                 first = 0;
1743         }
1744         if (cipher & WPA_CIPHER_CCMP) {
1745                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : "+");
1746                 if (ret < 0 || ret >= end - pos)
1747                         return pos;
1748                 pos += ret;
1749                 first = 0;
1750         }
1751         if (cipher & WPA_CIPHER_GCMP) {
1752                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : "+");
1753                 if (ret < 0 || ret >= end - pos)
1754                         return pos;
1755                 pos += ret;
1756                 first = 0;
1757         }
1758         return pos;
1759 }
1760
1761
1762 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1763                                     const u8 *ie, size_t ie_len)
1764 {
1765         struct wpa_ie_data data;
1766         int first, ret;
1767
1768         ret = os_snprintf(pos, end - pos, "[%s-", proto);
1769         if (ret < 0 || ret >= end - pos)
1770                 return pos;
1771         pos += ret;
1772
1773         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1774                 ret = os_snprintf(pos, end - pos, "?]");
1775                 if (ret < 0 || ret >= end - pos)
1776                         return pos;
1777                 pos += ret;
1778                 return pos;
1779         }
1780
1781         first = 1;
1782         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1783                 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1784                 if (ret < 0 || ret >= end - pos)
1785                         return pos;
1786                 pos += ret;
1787                 first = 0;
1788         }
1789         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1790                 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1791                 if (ret < 0 || ret >= end - pos)
1792                         return pos;
1793                 pos += ret;
1794                 first = 0;
1795         }
1796         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1797                 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1798                 if (ret < 0 || ret >= end - pos)
1799                         return pos;
1800                 pos += ret;
1801                 first = 0;
1802         }
1803 #ifdef CONFIG_IEEE80211R
1804         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1805                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1806                                   first ? "" : "+");
1807                 if (ret < 0 || ret >= end - pos)
1808                         return pos;
1809                 pos += ret;
1810                 first = 0;
1811         }
1812         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1813                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1814                                   first ? "" : "+");
1815                 if (ret < 0 || ret >= end - pos)
1816                         return pos;
1817                 pos += ret;
1818                 first = 0;
1819         }
1820 #endif /* CONFIG_IEEE80211R */
1821 #ifdef CONFIG_IEEE80211W
1822         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1823                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1824                                   first ? "" : "+");
1825                 if (ret < 0 || ret >= end - pos)
1826                         return pos;
1827                 pos += ret;
1828                 first = 0;
1829         }
1830         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1831                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1832                                   first ? "" : "+");
1833                 if (ret < 0 || ret >= end - pos)
1834                         return pos;
1835                 pos += ret;
1836                 first = 0;
1837         }
1838 #endif /* CONFIG_IEEE80211W */
1839
1840         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1841
1842         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1843                 ret = os_snprintf(pos, end - pos, "-preauth");
1844                 if (ret < 0 || ret >= end - pos)
1845                         return pos;
1846                 pos += ret;
1847         }
1848
1849         ret = os_snprintf(pos, end - pos, "]");
1850         if (ret < 0 || ret >= end - pos)
1851                 return pos;
1852         pos += ret;
1853
1854         return pos;
1855 }
1856
1857
1858 #ifdef CONFIG_WPS
1859 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
1860                                             char *pos, char *end,
1861                                             struct wpabuf *wps_ie)
1862 {
1863         int ret;
1864         const char *txt;
1865
1866         if (wps_ie == NULL)
1867                 return pos;
1868         if (wps_is_selected_pbc_registrar(wps_ie))
1869                 txt = "[WPS-PBC]";
1870 #ifdef CONFIG_WPS2
1871         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
1872                 txt = "[WPS-AUTH]";
1873 #endif /* CONFIG_WPS2 */
1874         else if (wps_is_selected_pin_registrar(wps_ie))
1875                 txt = "[WPS-PIN]";
1876         else
1877                 txt = "[WPS]";
1878
1879         ret = os_snprintf(pos, end - pos, "%s", txt);
1880         if (ret >= 0 && ret < end - pos)
1881                 pos += ret;
1882         wpabuf_free(wps_ie);
1883         return pos;
1884 }
1885 #endif /* CONFIG_WPS */
1886
1887
1888 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
1889                                         char *pos, char *end,
1890                                         const struct wpa_bss *bss)
1891 {
1892 #ifdef CONFIG_WPS
1893         struct wpabuf *wps_ie;
1894         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1895         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
1896 #else /* CONFIG_WPS */
1897         return pos;
1898 #endif /* CONFIG_WPS */
1899 }
1900
1901
1902 /* Format one result on one text line into a buffer. */
1903 static int wpa_supplicant_ctrl_iface_scan_result(
1904         struct wpa_supplicant *wpa_s,
1905         const struct wpa_bss *bss, char *buf, size_t buflen)
1906 {
1907         char *pos, *end;
1908         int ret;
1909         const u8 *ie, *ie2, *p2p;
1910
1911         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
1912         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
1913             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
1914             0)
1915                 return 0; /* Do not show P2P listen discovery results here */
1916
1917         pos = buf;
1918         end = buf + buflen;
1919
1920         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
1921                           MAC2STR(bss->bssid), bss->freq, bss->level);
1922         if (ret < 0 || ret >= end - pos)
1923                 return -1;
1924         pos += ret;
1925         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
1926         if (ie)
1927                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
1928         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
1929         if (ie2)
1930                 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
1931         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
1932         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
1933                 ret = os_snprintf(pos, end - pos, "[WEP]");
1934                 if (ret < 0 || ret >= end - pos)
1935                         return -1;
1936                 pos += ret;
1937         }
1938         if (bss->caps & IEEE80211_CAP_IBSS) {
1939                 ret = os_snprintf(pos, end - pos, "[IBSS]");
1940                 if (ret < 0 || ret >= end - pos)
1941                         return -1;
1942                 pos += ret;
1943         }
1944         if (bss->caps & IEEE80211_CAP_ESS) {
1945                 ret = os_snprintf(pos, end - pos, "[ESS]");
1946                 if (ret < 0 || ret >= end - pos)
1947                         return -1;
1948                 pos += ret;
1949         }
1950         if (p2p) {
1951                 ret = os_snprintf(pos, end - pos, "[P2P]");
1952                 if (ret < 0 || ret >= end - pos)
1953                         return -1;
1954                 pos += ret;
1955         }
1956 #ifdef CONFIG_HS20
1957         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
1958                 ret = os_snprintf(pos, end - pos, "[HS20]");
1959                 if (ret < 0 || ret >= end - pos)
1960                         return -1;
1961                 pos += ret;
1962         }
1963 #endif /* CONFIG_HS20 */
1964
1965         ret = os_snprintf(pos, end - pos, "\t%s",
1966                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
1967         if (ret < 0 || ret >= end - pos)
1968                 return -1;
1969         pos += ret;
1970
1971         ret = os_snprintf(pos, end - pos, "\n");
1972         if (ret < 0 || ret >= end - pos)
1973                 return -1;
1974         pos += ret;
1975
1976         return pos - buf;
1977 }
1978
1979
1980 static int wpa_supplicant_ctrl_iface_scan_results(
1981         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1982 {
1983         char *pos, *end;
1984         struct wpa_bss *bss;
1985         int ret;
1986
1987         pos = buf;
1988         end = buf + buflen;
1989         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
1990                           "flags / ssid\n");
1991         if (ret < 0 || ret >= end - pos)
1992                 return pos - buf;
1993         pos += ret;
1994
1995         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
1996                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
1997                                                             end - pos);
1998                 if (ret < 0 || ret >= end - pos)
1999                         return pos - buf;
2000                 pos += ret;
2001         }
2002
2003         return pos - buf;
2004 }
2005
2006
2007 static int wpa_supplicant_ctrl_iface_select_network(
2008         struct wpa_supplicant *wpa_s, char *cmd)
2009 {
2010         int id;
2011         struct wpa_ssid *ssid;
2012
2013         /* cmd: "<network id>" or "any" */
2014         if (os_strcmp(cmd, "any") == 0) {
2015                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2016                 ssid = NULL;
2017         } else {
2018                 id = atoi(cmd);
2019                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2020
2021                 ssid = wpa_config_get_network(wpa_s->conf, id);
2022                 if (ssid == NULL) {
2023                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2024                                    "network id=%d", id);
2025                         return -1;
2026                 }
2027                 if (ssid->disabled == 2) {
2028                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2029                                    "SELECT_NETWORK with persistent P2P group");
2030                         return -1;
2031                 }
2032         }
2033
2034         wpa_supplicant_select_network(wpa_s, ssid);
2035
2036         return 0;
2037 }
2038
2039
2040 static int wpa_supplicant_ctrl_iface_enable_network(
2041         struct wpa_supplicant *wpa_s, char *cmd)
2042 {
2043         int id;
2044         struct wpa_ssid *ssid;
2045
2046         /* cmd: "<network id>" or "all" */
2047         if (os_strcmp(cmd, "all") == 0) {
2048                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2049                 ssid = NULL;
2050         } else {
2051                 id = atoi(cmd);
2052                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2053
2054                 ssid = wpa_config_get_network(wpa_s->conf, id);
2055                 if (ssid == NULL) {
2056                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2057                                    "network id=%d", id);
2058                         return -1;
2059                 }
2060                 if (ssid->disabled == 2) {
2061                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2062                                    "ENABLE_NETWORK with persistent P2P group");
2063                         return -1;
2064                 }
2065
2066                 if (os_strstr(cmd, " no-connect")) {
2067                         ssid->disabled = 0;
2068                         return 0;
2069                 }
2070         }
2071         wpa_supplicant_enable_network(wpa_s, ssid);
2072
2073         return 0;
2074 }
2075
2076
2077 static int wpa_supplicant_ctrl_iface_disable_network(
2078         struct wpa_supplicant *wpa_s, char *cmd)
2079 {
2080         int id;
2081         struct wpa_ssid *ssid;
2082
2083         /* cmd: "<network id>" or "all" */
2084         if (os_strcmp(cmd, "all") == 0) {
2085                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2086                 ssid = NULL;
2087         } else {
2088                 id = atoi(cmd);
2089                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2090
2091                 ssid = wpa_config_get_network(wpa_s->conf, id);
2092                 if (ssid == NULL) {
2093                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2094                                    "network id=%d", id);
2095                         return -1;
2096                 }
2097                 if (ssid->disabled == 2) {
2098                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2099                                    "DISABLE_NETWORK with persistent P2P "
2100                                    "group");
2101                         return -1;
2102                 }
2103         }
2104         wpa_supplicant_disable_network(wpa_s, ssid);
2105
2106         return 0;
2107 }
2108
2109
2110 static int wpa_supplicant_ctrl_iface_add_network(
2111         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2112 {
2113         struct wpa_ssid *ssid;
2114         int ret;
2115
2116         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2117
2118         ssid = wpa_config_add_network(wpa_s->conf);
2119         if (ssid == NULL)
2120                 return -1;
2121
2122         wpas_notify_network_added(wpa_s, ssid);
2123
2124         ssid->disabled = 1;
2125         wpa_config_set_network_defaults(ssid);
2126
2127         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2128         if (ret < 0 || (size_t) ret >= buflen)
2129                 return -1;
2130         return ret;
2131 }
2132
2133
2134 static int wpa_supplicant_ctrl_iface_remove_network(
2135         struct wpa_supplicant *wpa_s, char *cmd)
2136 {
2137         int id;
2138         struct wpa_ssid *ssid;
2139
2140         /* cmd: "<network id>" or "all" */
2141         if (os_strcmp(cmd, "all") == 0) {
2142                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2143                 ssid = wpa_s->conf->ssid;
2144                 while (ssid) {
2145                         struct wpa_ssid *remove_ssid = ssid;
2146                         id = ssid->id;
2147                         ssid = ssid->next;
2148                         wpas_notify_network_removed(wpa_s, remove_ssid);
2149                         wpa_config_remove_network(wpa_s->conf, id);
2150                 }
2151                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2152                 if (wpa_s->current_ssid) {
2153 #ifdef CONFIG_SME
2154                         wpa_s->sme.prev_bssid_set = 0;
2155 #endif /* CONFIG_SME */
2156                         wpa_sm_set_config(wpa_s->wpa, NULL);
2157                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2158                         wpa_supplicant_deauthenticate(
2159                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2160                 }
2161                 return 0;
2162         }
2163
2164         id = atoi(cmd);
2165         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2166
2167         ssid = wpa_config_get_network(wpa_s->conf, id);
2168         if (ssid)
2169                 wpas_notify_network_removed(wpa_s, ssid);
2170         if (ssid == NULL) {
2171                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2172                            "id=%d", id);
2173                 return -1;
2174         }
2175
2176         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2177 #ifdef CONFIG_SME
2178                 wpa_s->sme.prev_bssid_set = 0;
2179 #endif /* CONFIG_SME */
2180                 /*
2181                  * Invalidate the EAP session cache if the current or
2182                  * previously used network is removed.
2183                  */
2184                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2185         }
2186
2187         if (ssid == wpa_s->current_ssid) {
2188                 wpa_sm_set_config(wpa_s->wpa, NULL);
2189                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2190
2191                 wpa_supplicant_deauthenticate(wpa_s,
2192                                               WLAN_REASON_DEAUTH_LEAVING);
2193         }
2194
2195         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2196                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2197                            "network id=%d", id);
2198                 return -1;
2199         }
2200
2201         return 0;
2202 }
2203
2204
2205 static int wpa_supplicant_ctrl_iface_set_network(
2206         struct wpa_supplicant *wpa_s, char *cmd)
2207 {
2208         int id;
2209         struct wpa_ssid *ssid;
2210         char *name, *value;
2211
2212         /* cmd: "<network id> <variable name> <value>" */
2213         name = os_strchr(cmd, ' ');
2214         if (name == NULL)
2215                 return -1;
2216         *name++ = '\0';
2217
2218         value = os_strchr(name, ' ');
2219         if (value == NULL)
2220                 return -1;
2221         *value++ = '\0';
2222
2223         id = atoi(cmd);
2224         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2225                    id, name);
2226         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2227                               (u8 *) value, os_strlen(value));
2228
2229         ssid = wpa_config_get_network(wpa_s->conf, id);
2230         if (ssid == NULL) {
2231                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2232                            "id=%d", id);
2233                 return -1;
2234         }
2235
2236         if (wpa_config_set(ssid, name, value, 0) < 0) {
2237                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2238                            "variable '%s'", name);
2239                 return -1;
2240         }
2241
2242         if (os_strcmp(name, "bssid") != 0 &&
2243             os_strcmp(name, "priority") != 0)
2244                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2245
2246         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2247                 /*
2248                  * Invalidate the EAP session cache if anything in the current
2249                  * or previously used configuration changes.
2250                  */
2251                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2252         }
2253
2254         if ((os_strcmp(name, "psk") == 0 &&
2255              value[0] == '"' && ssid->ssid_len) ||
2256             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2257                 wpa_config_update_psk(ssid);
2258         else if (os_strcmp(name, "priority") == 0)
2259                 wpa_config_update_prio_list(wpa_s->conf);
2260
2261         return 0;
2262 }
2263
2264
2265 static int wpa_supplicant_ctrl_iface_get_network(
2266         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2267 {
2268         int id;
2269         size_t res;
2270         struct wpa_ssid *ssid;
2271         char *name, *value;
2272
2273         /* cmd: "<network id> <variable name>" */
2274         name = os_strchr(cmd, ' ');
2275         if (name == NULL || buflen == 0)
2276                 return -1;
2277         *name++ = '\0';
2278
2279         id = atoi(cmd);
2280         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2281                    id, name);
2282
2283         ssid = wpa_config_get_network(wpa_s->conf, id);
2284         if (ssid == NULL) {
2285                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2286                            "id=%d", id);
2287                 return -1;
2288         }
2289
2290         value = wpa_config_get_no_key(ssid, name);
2291         if (value == NULL) {
2292                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2293                            "variable '%s'", name);
2294                 return -1;
2295         }
2296
2297         res = os_strlcpy(buf, value, buflen);
2298         if (res >= buflen) {
2299                 os_free(value);
2300                 return -1;
2301         }
2302
2303         os_free(value);
2304
2305         return res;
2306 }
2307
2308
2309 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2310                                                 char *buf, size_t buflen)
2311 {
2312         char *pos, *end;
2313         struct wpa_cred *cred;
2314         int ret;
2315
2316         pos = buf;
2317         end = buf + buflen;
2318         ret = os_snprintf(pos, end - pos,
2319                           "cred id / realm / username / domain / imsi\n");
2320         if (ret < 0 || ret >= end - pos)
2321                 return pos - buf;
2322         pos += ret;
2323
2324         cred = wpa_s->conf->cred;
2325         while (cred) {
2326                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2327                                   cred->id, cred->realm ? cred->realm : "",
2328                                   cred->username ? cred->username : "",
2329                                   cred->domain ? cred->domain : "",
2330                                   cred->imsi ? cred->imsi : "");
2331                 if (ret < 0 || ret >= end - pos)
2332                         return pos - buf;
2333                 pos += ret;
2334
2335                 cred = cred->next;
2336         }
2337
2338         return pos - buf;
2339 }
2340
2341
2342 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2343                                               char *buf, size_t buflen)
2344 {
2345         struct wpa_cred *cred;
2346         int ret;
2347
2348         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2349
2350         cred = wpa_config_add_cred(wpa_s->conf);
2351         if (cred == NULL)
2352                 return -1;
2353
2354         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2355         if (ret < 0 || (size_t) ret >= buflen)
2356                 return -1;
2357         return ret;
2358 }
2359
2360
2361 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2362                                  struct wpa_cred *cred)
2363 {
2364         struct wpa_ssid *ssid;
2365         char str[20];
2366
2367         if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2368                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2369                 return -1;
2370         }
2371
2372         /* Remove any network entry created based on the removed credential */
2373         ssid = wpa_s->conf->ssid;
2374         while (ssid) {
2375                 if (ssid->parent_cred == cred) {
2376                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2377                                    "used the removed credential", ssid->id);
2378                         os_snprintf(str, sizeof(str), "%d", ssid->id);
2379                         ssid = ssid->next;
2380                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2381                 } else
2382                         ssid = ssid->next;
2383         }
2384
2385         return 0;
2386 }
2387
2388
2389 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2390                                                  char *cmd)
2391 {
2392         int id;
2393         struct wpa_cred *cred, *prev;
2394
2395         /* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2396         if (os_strcmp(cmd, "all") == 0) {
2397                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2398                 cred = wpa_s->conf->cred;
2399                 while (cred) {
2400                         prev = cred;
2401                         cred = cred->next;
2402                         wpas_ctrl_remove_cred(wpa_s, prev);
2403                 }
2404                 return 0;
2405         }
2406
2407         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2408                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2409                            cmd + 8);
2410                 cred = wpa_s->conf->cred;
2411                 while (cred) {
2412                         prev = cred;
2413                         cred = cred->next;
2414                         if (prev->domain &&
2415                             os_strcmp(prev->domain, cmd + 8) == 0)
2416                                 wpas_ctrl_remove_cred(wpa_s, prev);
2417                 }
2418                 return 0;
2419         }
2420
2421         id = atoi(cmd);
2422         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2423
2424         cred = wpa_config_get_cred(wpa_s->conf, id);
2425         return wpas_ctrl_remove_cred(wpa_s, cred);
2426 }
2427
2428
2429 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2430                                               char *cmd)
2431 {
2432         int id;
2433         struct wpa_cred *cred;
2434         char *name, *value;
2435
2436         /* cmd: "<cred id> <variable name> <value>" */
2437         name = os_strchr(cmd, ' ');
2438         if (name == NULL)
2439                 return -1;
2440         *name++ = '\0';
2441
2442         value = os_strchr(name, ' ');
2443         if (value == NULL)
2444                 return -1;
2445         *value++ = '\0';
2446
2447         id = atoi(cmd);
2448         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2449                    id, name);
2450         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2451                               (u8 *) value, os_strlen(value));
2452
2453         cred = wpa_config_get_cred(wpa_s->conf, id);
2454         if (cred == NULL) {
2455                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2456                            id);
2457                 return -1;
2458         }
2459
2460         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2461                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2462                            "variable '%s'", name);
2463                 return -1;
2464         }
2465
2466         return 0;
2467 }
2468
2469
2470 #ifndef CONFIG_NO_CONFIG_WRITE
2471 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2472 {
2473         int ret;
2474
2475         if (!wpa_s->conf->update_config) {
2476                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2477                            "to update configuration (update_config=0)");
2478                 return -1;
2479         }
2480
2481         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2482         if (ret) {
2483                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2484                            "update configuration");
2485         } else {
2486                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2487                            " updated");
2488         }
2489
2490         return ret;
2491 }
2492 #endif /* CONFIG_NO_CONFIG_WRITE */
2493
2494
2495 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2496                                               struct wpa_driver_capa *capa,
2497                                               char *buf, size_t buflen)
2498 {
2499         int ret, first = 1;
2500         char *pos, *end;
2501         size_t len;
2502
2503         pos = buf;
2504         end = pos + buflen;
2505
2506         if (res < 0) {
2507                 if (strict)
2508                         return 0;
2509                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2510                 if (len >= buflen)
2511                         return -1;
2512                 return len;
2513         }
2514
2515         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2516                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2517                 if (ret < 0 || ret >= end - pos)
2518                         return pos - buf;
2519                 pos += ret;
2520                 first = 0;
2521         }
2522
2523         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2524                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2525                 if (ret < 0 || ret >= end - pos)
2526                         return pos - buf;
2527                 pos += ret;
2528                 first = 0;
2529         }
2530
2531         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2532                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2533                 if (ret < 0 || ret >= end - pos)
2534                         return pos - buf;
2535                 pos += ret;
2536                 first = 0;
2537         }
2538
2539         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2540                 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
2541                 if (ret < 0 || ret >= end - pos)
2542                         return pos - buf;
2543                 pos += ret;
2544                 first = 0;
2545         }
2546
2547         return pos - buf;
2548 }
2549
2550
2551 static int ctrl_iface_get_capability_group(int res, char *strict,
2552                                            struct wpa_driver_capa *capa,
2553                                            char *buf, size_t buflen)
2554 {
2555         int ret, first = 1;
2556         char *pos, *end;
2557         size_t len;
2558
2559         pos = buf;
2560         end = pos + buflen;
2561
2562         if (res < 0) {
2563                 if (strict)
2564                         return 0;
2565                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2566                 if (len >= buflen)
2567                         return -1;
2568                 return len;
2569         }
2570
2571         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2572                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2573                 if (ret < 0 || ret >= end - pos)
2574                         return pos - buf;
2575                 pos += ret;
2576                 first = 0;
2577         }
2578
2579         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2580                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2581                 if (ret < 0 || ret >= end - pos)
2582                         return pos - buf;
2583                 pos += ret;
2584                 first = 0;
2585         }
2586
2587         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2588                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2589                 if (ret < 0 || ret >= end - pos)
2590                         return pos - buf;
2591                 pos += ret;
2592                 first = 0;
2593         }
2594
2595         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2596                 ret = os_snprintf(pos, end - pos, "%sWEP104",
2597                                   first ? "" : " ");
2598                 if (ret < 0 || ret >= end - pos)
2599                         return pos - buf;
2600                 pos += ret;
2601                 first = 0;
2602         }
2603
2604         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2605                 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
2606                 if (ret < 0 || ret >= end - pos)
2607                         return pos - buf;
2608                 pos += ret;
2609                 first = 0;
2610         }
2611
2612         return pos - buf;
2613 }
2614
2615
2616 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2617                                               struct wpa_driver_capa *capa,
2618                                               char *buf, size_t buflen)
2619 {
2620         int ret;
2621         char *pos, *end;
2622         size_t len;
2623
2624         pos = buf;
2625         end = pos + buflen;
2626
2627         if (res < 0) {
2628                 if (strict)
2629                         return 0;
2630                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2631                                  "NONE", buflen);
2632                 if (len >= buflen)
2633                         return -1;
2634                 return len;
2635         }
2636
2637         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2638         if (ret < 0 || ret >= end - pos)
2639                 return pos - buf;
2640         pos += ret;
2641
2642         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2643                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2644                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2645                 if (ret < 0 || ret >= end - pos)
2646                         return pos - buf;
2647                 pos += ret;
2648         }
2649
2650         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2651                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2652                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2653                 if (ret < 0 || ret >= end - pos)
2654                         return pos - buf;
2655                 pos += ret;
2656         }
2657
2658         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2659                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2660                 if (ret < 0 || ret >= end - pos)
2661                         return pos - buf;
2662                 pos += ret;
2663         }
2664
2665         return pos - buf;
2666 }
2667
2668
2669 static int ctrl_iface_get_capability_proto(int res, char *strict,
2670                                            struct wpa_driver_capa *capa,
2671                                            char *buf, size_t buflen)
2672 {
2673         int ret, first = 1;
2674         char *pos, *end;
2675         size_t len;
2676
2677         pos = buf;
2678         end = pos + buflen;
2679
2680         if (res < 0) {
2681                 if (strict)
2682                         return 0;
2683                 len = os_strlcpy(buf, "RSN WPA", buflen);
2684                 if (len >= buflen)
2685                         return -1;
2686                 return len;
2687         }
2688
2689         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2690                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2691                 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2692                 if (ret < 0 || ret >= end - pos)
2693                         return pos - buf;
2694                 pos += ret;
2695                 first = 0;
2696         }
2697
2698         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2699                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2700                 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2701                 if (ret < 0 || ret >= end - pos)
2702                         return pos - buf;
2703                 pos += ret;
2704                 first = 0;
2705         }
2706
2707         return pos - buf;
2708 }
2709
2710
2711 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2712                                               struct wpa_driver_capa *capa,
2713                                               char *buf, size_t buflen)
2714 {
2715         int ret, first = 1;
2716         char *pos, *end;
2717         size_t len;
2718
2719         pos = buf;
2720         end = pos + buflen;
2721
2722         if (res < 0) {
2723                 if (strict)
2724                         return 0;
2725                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2726                 if (len >= buflen)
2727                         return -1;
2728                 return len;
2729         }
2730
2731         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2732                 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2733                 if (ret < 0 || ret >= end - pos)
2734                         return pos - buf;
2735                 pos += ret;
2736                 first = 0;
2737         }
2738
2739         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2740                 ret = os_snprintf(pos, end - pos, "%sSHARED",
2741                                   first ? "" : " ");
2742                 if (ret < 0 || ret >= end - pos)
2743                         return pos - buf;
2744                 pos += ret;
2745                 first = 0;
2746         }
2747
2748         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2749                 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2750                 if (ret < 0 || ret >= end - pos)
2751                         return pos - buf;
2752                 pos += ret;
2753                 first = 0;
2754         }
2755
2756         return pos - buf;
2757 }
2758
2759
2760 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
2761                                               char *buf, size_t buflen)
2762 {
2763         struct hostapd_channel_data *chnl;
2764         int ret, i, j;
2765         char *pos, *end, *hmode;
2766
2767         pos = buf;
2768         end = pos + buflen;
2769
2770         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2771                 switch (wpa_s->hw.modes[j].mode) {
2772                 case HOSTAPD_MODE_IEEE80211B:
2773                         hmode = "B";
2774                         break;
2775                 case HOSTAPD_MODE_IEEE80211G:
2776                         hmode = "G";
2777                         break;
2778                 case HOSTAPD_MODE_IEEE80211A:
2779                         hmode = "A";
2780                         break;
2781                 case HOSTAPD_MODE_IEEE80211AD:
2782                         hmode = "AD";
2783                         break;
2784                 default:
2785                         continue;
2786                 }
2787                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
2788                 if (ret < 0 || ret >= end - pos)
2789                         return pos - buf;
2790                 pos += ret;
2791                 chnl = wpa_s->hw.modes[j].channels;
2792                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2793                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2794                                 continue;
2795                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
2796                         if (ret < 0 || ret >= end - pos)
2797                                 return pos - buf;
2798                         pos += ret;
2799                 }
2800                 ret = os_snprintf(pos, end - pos, "\n");
2801                 if (ret < 0 || ret >= end - pos)
2802                         return pos - buf;
2803                 pos += ret;
2804         }
2805
2806         return pos - buf;
2807 }
2808
2809
2810 static int wpa_supplicant_ctrl_iface_get_capability(
2811         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
2812         size_t buflen)
2813 {
2814         struct wpa_driver_capa capa;
2815         int res;
2816         char *strict;
2817         char field[30];
2818         size_t len;
2819
2820         /* Determine whether or not strict checking was requested */
2821         len = os_strlcpy(field, _field, sizeof(field));
2822         if (len >= sizeof(field))
2823                 return -1;
2824         strict = os_strchr(field, ' ');
2825         if (strict != NULL) {
2826                 *strict++ = '\0';
2827                 if (os_strcmp(strict, "strict") != 0)
2828                         return -1;
2829         }
2830
2831         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
2832                 field, strict ? strict : "");
2833
2834         if (os_strcmp(field, "eap") == 0) {
2835                 return eap_get_names(buf, buflen);
2836         }
2837
2838         res = wpa_drv_get_capa(wpa_s, &capa);
2839
2840         if (os_strcmp(field, "pairwise") == 0)
2841                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
2842                                                           buf, buflen);
2843
2844         if (os_strcmp(field, "group") == 0)
2845                 return ctrl_iface_get_capability_group(res, strict, &capa,
2846                                                        buf, buflen);
2847
2848         if (os_strcmp(field, "key_mgmt") == 0)
2849                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
2850                                                           buf, buflen);
2851
2852         if (os_strcmp(field, "proto") == 0)
2853                 return ctrl_iface_get_capability_proto(res, strict, &capa,
2854                                                        buf, buflen);
2855
2856         if (os_strcmp(field, "auth_alg") == 0)
2857                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
2858                                                           buf, buflen);
2859
2860         if (os_strcmp(field, "channels") == 0)
2861                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
2862
2863         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
2864                    field);
2865
2866         return -1;
2867 }
2868
2869
2870 #ifdef CONFIG_INTERWORKING
2871 static char * anqp_add_hex(char *pos, char *end, const char *title,
2872                            struct wpabuf *data)
2873 {
2874         char *start = pos;
2875         size_t i;
2876         int ret;
2877         const u8 *d;
2878
2879         if (data == NULL)
2880                 return start;
2881
2882         ret = os_snprintf(pos, end - pos, "%s=", title);
2883         if (ret < 0 || ret >= end - pos)
2884                 return start;
2885         pos += ret;
2886
2887         d = wpabuf_head_u8(data);
2888         for (i = 0; i < wpabuf_len(data); i++) {
2889                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
2890                 if (ret < 0 || ret >= end - pos)
2891                         return start;
2892                 pos += ret;
2893         }
2894
2895         ret = os_snprintf(pos, end - pos, "\n");
2896         if (ret < 0 || ret >= end - pos)
2897                 return start;
2898         pos += ret;
2899
2900         return pos;
2901 }
2902 #endif /* CONFIG_INTERWORKING */
2903
2904
2905 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
2906                           unsigned long mask, char *buf, size_t buflen)
2907 {
2908         size_t i;
2909         int ret;
2910         char *pos, *end;
2911         const u8 *ie, *ie2;
2912
2913         pos = buf;
2914         end = buf + buflen;
2915
2916         if (mask & WPA_BSS_MASK_ID) {
2917                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
2918                 if (ret < 0 || ret >= end - pos)
2919                         return 0;
2920                 pos += ret;
2921         }
2922
2923         if (mask & WPA_BSS_MASK_BSSID) {
2924                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
2925                                   MAC2STR(bss->bssid));
2926                 if (ret < 0 || ret >= end - pos)
2927                         return 0;
2928                 pos += ret;
2929         }
2930
2931         if (mask & WPA_BSS_MASK_FREQ) {
2932                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
2933                 if (ret < 0 || ret >= end - pos)
2934                         return 0;
2935                 pos += ret;
2936         }
2937
2938         if (mask & WPA_BSS_MASK_BEACON_INT) {
2939                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
2940                                   bss->beacon_int);
2941                 if (ret < 0 || ret >= end - pos)
2942                         return 0;
2943                 pos += ret;
2944         }
2945
2946         if (mask & WPA_BSS_MASK_CAPABILITIES) {
2947                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
2948                                   bss->caps);
2949                 if (ret < 0 || ret >= end - pos)
2950                         return 0;
2951                 pos += ret;
2952         }
2953
2954         if (mask & WPA_BSS_MASK_QUAL) {
2955                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
2956                 if (ret < 0 || ret >= end - pos)
2957                         return 0;
2958                 pos += ret;
2959         }
2960
2961         if (mask & WPA_BSS_MASK_NOISE) {
2962                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
2963                 if (ret < 0 || ret >= end - pos)
2964                         return 0;
2965                 pos += ret;
2966         }
2967
2968         if (mask & WPA_BSS_MASK_LEVEL) {
2969                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
2970                 if (ret < 0 || ret >= end - pos)
2971                         return 0;
2972                 pos += ret;
2973         }
2974
2975         if (mask & WPA_BSS_MASK_TSF) {
2976                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
2977                                   (unsigned long long) bss->tsf);
2978                 if (ret < 0 || ret >= end - pos)
2979                         return 0;
2980                 pos += ret;
2981         }
2982
2983         if (mask & WPA_BSS_MASK_AGE) {
2984                 struct os_time now;
2985
2986                 os_get_time(&now);
2987                 ret = os_snprintf(pos, end - pos, "age=%d\n",
2988                                   (int) (now.sec - bss->last_update.sec));
2989                 if (ret < 0 || ret >= end - pos)
2990                         return 0;
2991                 pos += ret;
2992         }
2993
2994         if (mask & WPA_BSS_MASK_IE) {
2995                 ret = os_snprintf(pos, end - pos, "ie=");
2996                 if (ret < 0 || ret >= end - pos)
2997                         return 0;
2998                 pos += ret;
2999
3000                 ie = (const u8 *) (bss + 1);
3001                 for (i = 0; i < bss->ie_len; i++) {
3002                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3003                         if (ret < 0 || ret >= end - pos)
3004                                 return 0;
3005                         pos += ret;
3006                 }
3007
3008                 ret = os_snprintf(pos, end - pos, "\n");
3009                 if (ret < 0 || ret >= end - pos)
3010                         return 0;
3011                 pos += ret;
3012         }
3013
3014         if (mask & WPA_BSS_MASK_FLAGS) {
3015                 ret = os_snprintf(pos, end - pos, "flags=");
3016                 if (ret < 0 || ret >= end - pos)
3017                         return 0;
3018                 pos += ret;
3019
3020                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3021                 if (ie)
3022                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3023                                                     2 + ie[1]);
3024                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3025                 if (ie2)
3026                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3027                                                     2 + ie2[1]);
3028                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3029                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3030                         ret = os_snprintf(pos, end - pos, "[WEP]");
3031                         if (ret < 0 || ret >= end - pos)
3032                                 return 0;
3033                         pos += ret;
3034                 }
3035                 if (bss->caps & IEEE80211_CAP_IBSS) {
3036                         ret = os_snprintf(pos, end - pos, "[IBSS]");
3037                         if (ret < 0 || ret >= end - pos)
3038                                 return 0;
3039                         pos += ret;
3040                 }
3041                 if (bss->caps & IEEE80211_CAP_ESS) {
3042                         ret = os_snprintf(pos, end - pos, "[ESS]");
3043                         if (ret < 0 || ret >= end - pos)
3044                                 return 0;
3045                         pos += ret;
3046                 }
3047                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE)) {
3048                         ret = os_snprintf(pos, end - pos, "[P2P]");
3049                         if (ret < 0 || ret >= end - pos)
3050                                 return 0;
3051                         pos += ret;
3052                 }
3053 #ifdef CONFIG_HS20
3054                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3055                         ret = os_snprintf(pos, end - pos, "[HS20]");
3056                         if (ret < 0 || ret >= end - pos)
3057                                 return -1;
3058                         pos += ret;
3059                 }
3060 #endif /* CONFIG_HS20 */
3061
3062                 ret = os_snprintf(pos, end - pos, "\n");
3063                 if (ret < 0 || ret >= end - pos)
3064                         return 0;
3065                 pos += ret;
3066         }
3067
3068         if (mask & WPA_BSS_MASK_SSID) {
3069                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3070                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3071                 if (ret < 0 || ret >= end - pos)
3072                         return 0;
3073                 pos += ret;
3074         }
3075
3076 #ifdef CONFIG_WPS
3077         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3078                 ie = (const u8 *) (bss + 1);
3079                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3080                 if (ret < 0 || ret >= end - pos)
3081                         return 0;
3082                 pos += ret;
3083         }
3084 #endif /* CONFIG_WPS */
3085
3086 #ifdef CONFIG_P2P
3087         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3088                 ie = (const u8 *) (bss + 1);
3089                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3090                 if (ret < 0 || ret >= end - pos)
3091                         return 0;
3092                 pos += ret;
3093         }
3094 #endif /* CONFIG_P2P */
3095
3096 #ifdef CONFIG_WIFI_DISPLAY
3097         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3098                 struct wpabuf *wfd;
3099                 ie = (const u8 *) (bss + 1);
3100                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3101                                                   WFD_IE_VENDOR_TYPE);
3102                 if (wfd) {
3103                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3104                         if (ret < 0 || ret >= end - pos)
3105                                 return pos - buf;
3106                         pos += ret;
3107
3108                         pos += wpa_snprintf_hex(pos, end - pos,
3109                                                 wpabuf_head(wfd),
3110                                                 wpabuf_len(wfd));
3111                         wpabuf_free(wfd);
3112
3113                         ret = os_snprintf(pos, end - pos, "\n");
3114                         if (ret < 0 || ret >= end - pos)
3115                                 return pos - buf;
3116                         pos += ret;
3117                 }
3118         }
3119 #endif /* CONFIG_WIFI_DISPLAY */
3120
3121 #ifdef CONFIG_INTERWORKING
3122         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3123                 struct wpa_bss_anqp *anqp = bss->anqp;
3124                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3125                                    anqp->venue_name);
3126                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3127                                    anqp->network_auth_type);
3128                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3129                                    anqp->roaming_consortium);
3130                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3131                                    anqp->ip_addr_type_availability);
3132                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3133                                    anqp->nai_realm);
3134                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3135                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3136                                    anqp->domain_name);
3137 #ifdef CONFIG_HS20
3138                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3139                                    anqp->hs20_operator_friendly_name);
3140                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3141                                    anqp->hs20_wan_metrics);
3142                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3143                                    anqp->hs20_connection_capability);
3144 #endif /* CONFIG_HS20 */
3145         }
3146 #endif /* CONFIG_INTERWORKING */
3147
3148         return pos - buf;
3149 }
3150
3151
3152 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3153                                          const char *cmd, char *buf,
3154                                          size_t buflen)
3155 {
3156         u8 bssid[ETH_ALEN];
3157         size_t i;
3158         struct wpa_bss *bss;
3159         struct wpa_bss *bsslast = NULL;
3160         struct dl_list *next;
3161         int ret = 0;
3162         int len;
3163         char *ctmp;
3164         unsigned long mask = WPA_BSS_MASK_ALL;
3165
3166         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3167                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3168                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3169                                             list_id);
3170                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3171                                                list_id);
3172                 } else { /* N1-N2 */
3173                         unsigned int id1, id2;
3174
3175                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3176                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3177                                            "format");
3178                                 return 0;
3179                         }
3180
3181                         id1 = atoi(cmd + 6);
3182                         bss = wpa_bss_get_id(wpa_s, id1);
3183                         id2 = atoi(ctmp + 1);
3184                         if (id2 == 0)
3185                                 bsslast = dl_list_last(&wpa_s->bss_id,
3186                                                        struct wpa_bss,
3187                                                        list_id);
3188                         else {
3189                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3190                                 if (bsslast == NULL && bss && id2 > id1) {
3191                                         struct wpa_bss *tmp = bss;
3192                                         for (;;) {
3193                                                 next = tmp->list_id.next;
3194                                                 if (next == &wpa_s->bss_id)
3195                                                         break;
3196                                                 tmp = dl_list_entry(
3197                                                         next, struct wpa_bss,
3198                                                         list_id);
3199                                                 if (tmp->id > id2)
3200                                                         break;
3201                                                 bsslast = tmp;
3202                                         }
3203                                 }
3204                         }
3205                 }
3206         } else if (os_strcmp(cmd, "FIRST") == 0)
3207                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3208         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3209                 i = atoi(cmd + 3);
3210                 bss = wpa_bss_get_id(wpa_s, i);
3211         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3212                 i = atoi(cmd + 5);
3213                 bss = wpa_bss_get_id(wpa_s, i);
3214                 if (bss) {
3215                         next = bss->list_id.next;
3216                         if (next == &wpa_s->bss_id)
3217                                 bss = NULL;
3218                         else
3219                                 bss = dl_list_entry(next, struct wpa_bss,
3220                                                     list_id);
3221                 }
3222 #ifdef CONFIG_P2P
3223         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3224                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3225                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3226                 else
3227                         bss = NULL;
3228 #endif /* CONFIG_P2P */
3229         } else if (hwaddr_aton(cmd, bssid) == 0)
3230                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3231         else {
3232                 struct wpa_bss *tmp;
3233                 i = atoi(cmd);
3234                 bss = NULL;
3235                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3236                 {
3237                         if (i-- == 0) {
3238                                 bss = tmp;
3239                                 break;
3240                         }
3241                 }
3242         }
3243
3244         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3245                 mask = strtoul(ctmp + 5, NULL, 0x10);
3246                 if (mask == 0)
3247                         mask = WPA_BSS_MASK_ALL;
3248         }
3249
3250         if (bss == NULL)
3251                 return 0;
3252
3253         if (bsslast == NULL)
3254                 bsslast = bss;
3255         do {
3256                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3257                 ret += len;
3258                 buf += len;
3259                 buflen -= len;
3260                 if (bss == bsslast)
3261                         break;
3262                 next = bss->list_id.next;
3263                 if (next == &wpa_s->bss_id)
3264                         break;
3265                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3266         } while (bss && len);
3267
3268         return ret;
3269 }
3270
3271
3272 static int wpa_supplicant_ctrl_iface_ap_scan(
3273         struct wpa_supplicant *wpa_s, char *cmd)
3274 {
3275         int ap_scan = atoi(cmd);
3276         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3277 }
3278
3279
3280 static int wpa_supplicant_ctrl_iface_scan_interval(
3281         struct wpa_supplicant *wpa_s, char *cmd)
3282 {
3283         int scan_int = atoi(cmd);
3284         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3285 }
3286
3287
3288 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3289         struct wpa_supplicant *wpa_s, char *cmd)
3290 {
3291         int expire_age = atoi(cmd);
3292         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3293 }
3294
3295
3296 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3297         struct wpa_supplicant *wpa_s, char *cmd)
3298 {
3299         int expire_count = atoi(cmd);
3300         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3301 }
3302
3303
3304 static int wpa_supplicant_ctrl_iface_bss_flush(
3305         struct wpa_supplicant *wpa_s, char *cmd)
3306 {
3307         int flush_age = atoi(cmd);
3308
3309         if (flush_age == 0)
3310                 wpa_bss_flush(wpa_s);
3311         else
3312                 wpa_bss_flush_by_age(wpa_s, flush_age);
3313         return 0;
3314 }
3315
3316
3317 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3318 {
3319         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3320         /* MLME-DELETEKEYS.request */
3321         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3322         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3323         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3324         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3325 #ifdef CONFIG_IEEE80211W
3326         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3327         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3328 #endif /* CONFIG_IEEE80211W */
3329
3330         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3331                         0);
3332         /* MLME-SETPROTECTION.request(None) */
3333         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3334                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3335                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3336         wpa_sm_drop_sa(wpa_s->wpa);
3337 }
3338
3339
3340 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3341                                           char *addr)
3342 {
3343 #ifdef CONFIG_NO_SCAN_PROCESSING
3344         return -1;
3345 #else /* CONFIG_NO_SCAN_PROCESSING */
3346         u8 bssid[ETH_ALEN];
3347         struct wpa_bss *bss;
3348         struct wpa_ssid *ssid = wpa_s->current_ssid;
3349
3350         if (hwaddr_aton(addr, bssid)) {
3351                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3352                            "address '%s'", addr);
3353                 return -1;
3354         }
3355
3356         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3357
3358         bss = wpa_bss_get_bssid(wpa_s, bssid);
3359         if (!bss) {
3360                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3361                            "from BSS table");
3362                 return -1;
3363         }
3364
3365         /*
3366          * TODO: Find best network configuration block from configuration to
3367          * allow roaming to other networks
3368          */
3369
3370         if (!ssid) {
3371                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3372                            "configuration known for the target AP");
3373                 return -1;
3374         }
3375
3376         wpa_s->reassociate = 1;
3377         wpa_supplicant_connect(wpa_s, bss, ssid);
3378
3379         return 0;
3380 #endif /* CONFIG_NO_SCAN_PROCESSING */
3381 }
3382
3383
3384 #ifdef CONFIG_P2P
3385 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3386 {
3387         unsigned int timeout = atoi(cmd);
3388         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3389         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3390         char *pos;
3391         unsigned int search_delay;
3392
3393         if (os_strstr(cmd, "type=social"))
3394                 type = P2P_FIND_ONLY_SOCIAL;
3395         else if (os_strstr(cmd, "type=progressive"))
3396                 type = P2P_FIND_PROGRESSIVE;
3397
3398         pos = os_strstr(cmd, "dev_id=");
3399         if (pos) {
3400                 pos += 7;
3401                 if (hwaddr_aton(pos, dev_id))
3402                         return -1;
3403                 _dev_id = dev_id;
3404         }
3405
3406         pos = os_strstr(cmd, "delay=");
3407         if (pos) {
3408                 pos += 6;
3409                 search_delay = atoi(pos);
3410         } else
3411                 search_delay = wpas_p2p_search_delay(wpa_s);
3412
3413         return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3414                              search_delay);
3415 }
3416
3417
3418 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3419                             char *buf, size_t buflen)
3420 {
3421         u8 addr[ETH_ALEN];
3422         char *pos, *pos2;
3423         char *pin = NULL;
3424         enum p2p_wps_method wps_method;
3425         int new_pin;
3426         int ret;
3427         int persistent_group, persistent_id = -1;
3428         int join;
3429         int auth;
3430         int automatic;
3431         int go_intent = -1;
3432         int freq = 0;
3433         int pd;
3434         int ht40;
3435
3436         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3437          * [persistent|persistent=<network id>]
3438          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3439          * [ht40] */
3440
3441         if (hwaddr_aton(cmd, addr))
3442                 return -1;
3443
3444         pos = cmd + 17;
3445         if (*pos != ' ')
3446                 return -1;
3447         pos++;
3448
3449         persistent_group = os_strstr(pos, " persistent") != NULL;
3450         pos2 = os_strstr(pos, " persistent=");
3451         if (pos2) {
3452                 struct wpa_ssid *ssid;
3453                 persistent_id = atoi(pos2 + 12);
3454                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3455                 if (ssid == NULL || ssid->disabled != 2 ||
3456                     ssid->mode != WPAS_MODE_P2P_GO) {
3457                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3458                                    "SSID id=%d for persistent P2P group (GO)",
3459                                    persistent_id);
3460                         return -1;
3461                 }
3462         }
3463         join = os_strstr(pos, " join") != NULL;
3464         auth = os_strstr(pos, " auth") != NULL;
3465         automatic = os_strstr(pos, " auto") != NULL;
3466         pd = os_strstr(pos, " provdisc") != NULL;
3467         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3468
3469         pos2 = os_strstr(pos, " go_intent=");
3470         if (pos2) {
3471                 pos2 += 11;
3472                 go_intent = atoi(pos2);
3473                 if (go_intent < 0 || go_intent > 15)
3474                         return -1;
3475         }
3476
3477         pos2 = os_strstr(pos, " freq=");
3478         if (pos2) {
3479                 pos2 += 6;
3480                 freq = atoi(pos2);
3481                 if (freq <= 0)
3482                         return -1;
3483         }
3484
3485         if (os_strncmp(pos, "pin", 3) == 0) {
3486                 /* Request random PIN (to be displayed) and enable the PIN */
3487                 wps_method = WPS_PIN_DISPLAY;
3488         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3489                 wps_method = WPS_PBC;
3490         } else {
3491                 pin = pos;
3492                 pos = os_strchr(pin, ' ');
3493                 wps_method = WPS_PIN_KEYPAD;
3494                 if (pos) {
3495                         *pos++ = '\0';
3496                         if (os_strncmp(pos, "display", 7) == 0)
3497                                 wps_method = WPS_PIN_DISPLAY;
3498                 }
3499                 if (!wps_pin_str_valid(pin)) {
3500                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3501                         return 17;
3502                 }
3503         }
3504
3505         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3506                                    persistent_group, automatic, join,
3507                                    auth, go_intent, freq, persistent_id, pd,
3508                                    ht40);
3509         if (new_pin == -2) {
3510                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3511                 return 25;
3512         }
3513         if (new_pin == -3) {
3514                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3515                 return 25;
3516         }
3517         if (new_pin < 0)
3518                 return -1;
3519         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3520                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3521                 if (ret < 0 || (size_t) ret >= buflen)
3522                         return -1;
3523                 return ret;
3524         }
3525
3526         os_memcpy(buf, "OK\n", 3);
3527         return 3;
3528 }
3529
3530
3531 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3532 {
3533         unsigned int timeout = atoi(cmd);
3534         return wpas_p2p_listen(wpa_s, timeout);
3535 }
3536
3537
3538 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3539 {
3540         u8 addr[ETH_ALEN];
3541         char *pos;
3542         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3543
3544         /* <addr> <config method> [join|auto] */
3545
3546         if (hwaddr_aton(cmd, addr))
3547                 return -1;
3548
3549         pos = cmd + 17;
3550         if (*pos != ' ')
3551                 return -1;
3552         pos++;
3553
3554         if (os_strstr(pos, " join") != NULL)
3555                 use = WPAS_P2P_PD_FOR_JOIN;
3556         else if (os_strstr(pos, " auto") != NULL)
3557                 use = WPAS_P2P_PD_AUTO;
3558
3559         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3560 }
3561
3562
3563 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3564                               size_t buflen)
3565 {
3566         struct wpa_ssid *ssid = wpa_s->current_ssid;
3567
3568         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3569             ssid->passphrase == NULL)
3570                 return -1;
3571
3572         os_strlcpy(buf, ssid->passphrase, buflen);
3573         return os_strlen(buf);
3574 }
3575
3576
3577 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3578                                   char *buf, size_t buflen)
3579 {
3580         u64 ref;
3581         int res;
3582         u8 dst_buf[ETH_ALEN], *dst;
3583         struct wpabuf *tlvs;
3584         char *pos;
3585         size_t len;
3586
3587         if (hwaddr_aton(cmd, dst_buf))
3588                 return -1;
3589         dst = dst_buf;
3590         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3591             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3592                 dst = NULL;
3593         pos = cmd + 17;
3594         if (*pos != ' ')
3595                 return -1;
3596         pos++;
3597
3598         if (os_strncmp(pos, "upnp ", 5) == 0) {
3599                 u8 version;
3600                 pos += 5;
3601                 if (hexstr2bin(pos, &version, 1) < 0)
3602                         return -1;
3603                 pos += 2;
3604                 if (*pos != ' ')
3605                         return -1;
3606                 pos++;
3607                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3608 #ifdef CONFIG_WIFI_DISPLAY
3609         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3610                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3611 #endif /* CONFIG_WIFI_DISPLAY */
3612         } else {
3613                 len = os_strlen(pos);
3614                 if (len & 1)
3615                         return -1;
3616                 len /= 2;
3617                 tlvs = wpabuf_alloc(len);
3618                 if (tlvs == NULL)
3619                         return -1;
3620                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3621                         wpabuf_free(tlvs);
3622                         return -1;
3623                 }
3624
3625                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3626                 wpabuf_free(tlvs);
3627         }
3628         if (ref == 0)
3629                 return -1;
3630         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3631         if (res < 0 || (unsigned) res >= buflen)
3632                 return -1;
3633         return res;
3634 }
3635
3636
3637 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3638                                          char *cmd)
3639 {
3640         long long unsigned val;
3641         u64 req;
3642         if (sscanf(cmd, "%llx", &val) != 1)
3643                 return -1;
3644         req = val;
3645         return wpas_p2p_sd_cancel_request(wpa_s, req);
3646 }
3647
3648
3649 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3650 {
3651         int freq;
3652         u8 dst[ETH_ALEN];
3653         u8 dialog_token;
3654         struct wpabuf *resp_tlvs;
3655         char *pos, *pos2;
3656         size_t len;
3657
3658         pos = os_strchr(cmd, ' ');
3659         if (pos == NULL)
3660                 return -1;
3661         *pos++ = '\0';
3662         freq = atoi(cmd);
3663         if (freq == 0)
3664                 return -1;
3665
3666         if (hwaddr_aton(pos, dst))
3667                 return -1;
3668         pos += 17;
3669         if (*pos != ' ')
3670                 return -1;
3671         pos++;
3672
3673         pos2 = os_strchr(pos, ' ');
3674         if (pos2 == NULL)
3675                 return -1;
3676         *pos2++ = '\0';
3677         dialog_token = atoi(pos);
3678
3679         len = os_strlen(pos2);
3680         if (len & 1)
3681                 return -1;
3682         len /= 2;
3683         resp_tlvs = wpabuf_alloc(len);
3684         if (resp_tlvs == NULL)
3685                 return -1;
3686         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3687                 wpabuf_free(resp_tlvs);
3688                 return -1;
3689         }
3690
3691         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3692         wpabuf_free(resp_tlvs);
3693         return 0;
3694 }
3695
3696
3697 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3698                                        char *cmd)
3699 {
3700         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3701                 return -1;
3702         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3703         return 0;
3704 }
3705
3706
3707 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3708                                         char *cmd)
3709 {
3710         char *pos;
3711         size_t len;
3712         struct wpabuf *query, *resp;
3713
3714         pos = os_strchr(cmd, ' ');
3715         if (pos == NULL)
3716                 return -1;
3717         *pos++ = '\0';
3718
3719         len = os_strlen(cmd);
3720         if (len & 1)
3721                 return -1;
3722         len /= 2;
3723         query = wpabuf_alloc(len);
3724         if (query == NULL)
3725                 return -1;
3726         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3727                 wpabuf_free(query);
3728                 return -1;
3729         }
3730
3731         len = os_strlen(pos);
3732         if (len & 1) {
3733                 wpabuf_free(query);
3734                 return -1;
3735         }
3736         len /= 2;
3737         resp = wpabuf_alloc(len);
3738         if (resp == NULL) {
3739                 wpabuf_free(query);
3740                 return -1;
3741         }
3742         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
3743                 wpabuf_free(query);
3744                 wpabuf_free(resp);
3745                 return -1;
3746         }
3747
3748         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
3749                 wpabuf_free(query);
3750                 wpabuf_free(resp);
3751                 return -1;
3752         }
3753         return 0;
3754 }
3755
3756
3757 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3758 {
3759         char *pos;
3760         u8 version;
3761
3762         pos = os_strchr(cmd, ' ');
3763         if (pos == NULL)
3764                 return -1;
3765         *pos++ = '\0';
3766
3767         if (hexstr2bin(cmd, &version, 1) < 0)
3768                 return -1;
3769
3770         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
3771 }
3772
3773
3774 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
3775 {
3776         char *pos;
3777
3778         pos = os_strchr(cmd, ' ');
3779         if (pos == NULL)
3780                 return -1;
3781         *pos++ = '\0';
3782
3783         if (os_strcmp(cmd, "bonjour") == 0)
3784                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
3785         if (os_strcmp(cmd, "upnp") == 0)
3786                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
3787         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3788         return -1;
3789 }
3790
3791
3792 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
3793                                         char *cmd)
3794 {
3795         size_t len;
3796         struct wpabuf *query;
3797         int ret;
3798
3799         len = os_strlen(cmd);
3800         if (len & 1)
3801                 return -1;
3802         len /= 2;
3803         query = wpabuf_alloc(len);
3804         if (query == NULL)
3805                 return -1;
3806         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3807                 wpabuf_free(query);
3808                 return -1;
3809         }
3810
3811         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
3812         wpabuf_free(query);
3813         return ret;
3814 }
3815
3816
3817 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3818 {
3819         char *pos;
3820         u8 version;
3821
3822         pos = os_strchr(cmd, ' ');
3823         if (pos == NULL)
3824                 return -1;
3825         *pos++ = '\0';
3826
3827         if (hexstr2bin(cmd, &version, 1) < 0)
3828                 return -1;
3829
3830         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
3831 }
3832
3833
3834 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
3835 {
3836         char *pos;
3837
3838         pos = os_strchr(cmd, ' ');
3839         if (pos == NULL)
3840                 return -1;
3841         *pos++ = '\0';
3842
3843         if (os_strcmp(cmd, "bonjour") == 0)
3844                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
3845         if (os_strcmp(cmd, "upnp") == 0)
3846                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
3847         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3848         return -1;
3849 }
3850
3851
3852 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
3853 {
3854         u8 addr[ETH_ALEN];
3855
3856         /* <addr> */
3857
3858         if (hwaddr_aton(cmd, addr))
3859                 return -1;
3860
3861         return wpas_p2p_reject(wpa_s, addr);
3862 }
3863
3864
3865 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
3866 {
3867         char *pos;
3868         int id;
3869         struct wpa_ssid *ssid;
3870         u8 *_peer = NULL, peer[ETH_ALEN];
3871         int freq = 0;
3872         int ht40;
3873
3874         id = atoi(cmd);
3875         pos = os_strstr(cmd, " peer=");
3876         if (pos) {
3877                 pos += 6;
3878                 if (hwaddr_aton(pos, peer))
3879                         return -1;
3880                 _peer = peer;
3881         }
3882         ssid = wpa_config_get_network(wpa_s->conf, id);
3883         if (ssid == NULL || ssid->disabled != 2) {
3884                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3885                            "for persistent P2P group",
3886                            id);
3887                 return -1;
3888         }
3889
3890         pos = os_strstr(cmd, " freq=");
3891         if (pos) {
3892                 pos += 6;
3893                 freq = atoi(pos);
3894                 if (freq <= 0)
3895                         return -1;
3896         }
3897
3898         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3899
3900         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40);
3901 }
3902
3903
3904 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
3905 {
3906         char *pos;
3907         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
3908
3909         pos = os_strstr(cmd, " peer=");
3910         if (!pos)
3911                 return -1;
3912
3913         *pos = '\0';
3914         pos += 6;
3915         if (hwaddr_aton(pos, peer)) {
3916                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
3917                 return -1;
3918         }
3919
3920         pos = os_strstr(pos, " go_dev_addr=");
3921         if (pos) {
3922                 pos += 13;
3923                 if (hwaddr_aton(pos, go_dev_addr)) {
3924                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
3925                                    pos);
3926                         return -1;
3927                 }
3928                 go_dev = go_dev_addr;
3929         }
3930
3931         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
3932 }
3933
3934
3935 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
3936 {
3937         if (os_strncmp(cmd, "persistent=", 11) == 0)
3938                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
3939         if (os_strncmp(cmd, "group=", 6) == 0)
3940                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
3941
3942         return -1;
3943 }
3944
3945
3946 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
3947                                          char *cmd, int freq, int ht40)
3948 {
3949         int id;
3950         struct wpa_ssid *ssid;
3951
3952         id = atoi(cmd);
3953         ssid = wpa_config_get_network(wpa_s->conf, id);
3954         if (ssid == NULL || ssid->disabled != 2) {
3955                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3956                            "for persistent P2P group",
3957                            id);
3958                 return -1;
3959         }
3960
3961         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40);
3962 }
3963
3964
3965 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
3966 {
3967         int freq = 0, ht40;
3968         char *pos;
3969
3970         pos = os_strstr(cmd, "freq=");
3971         if (pos)
3972                 freq = atoi(pos + 5);
3973
3974         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3975
3976         if (os_strncmp(cmd, "persistent=", 11) == 0)
3977                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
3978                                                      ht40);
3979         if (os_strcmp(cmd, "persistent") == 0 ||
3980             os_strncmp(cmd, "persistent ", 11) == 0)
3981                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40);
3982         if (os_strncmp(cmd, "freq=", 5) == 0)
3983                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
3984         if (ht40)
3985                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
3986
3987         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
3988                    cmd);
3989         return -1;
3990 }
3991
3992
3993 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
3994                          char *buf, size_t buflen)
3995 {
3996         u8 addr[ETH_ALEN], *addr_ptr;
3997         int next, res;
3998         const struct p2p_peer_info *info;
3999         char *pos, *end;
4000         char devtype[WPS_DEV_TYPE_BUFSIZE];
4001         struct wpa_ssid *ssid;
4002         size_t i;
4003
4004         if (!wpa_s->global->p2p)
4005                 return -1;
4006
4007         if (os_strcmp(cmd, "FIRST") == 0) {
4008                 addr_ptr = NULL;
4009                 next = 0;
4010         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4011                 if (hwaddr_aton(cmd + 5, addr) < 0)
4012                         return -1;
4013                 addr_ptr = addr;
4014                 next = 1;
4015         } else {
4016                 if (hwaddr_aton(cmd, addr) < 0)
4017                         return -1;
4018                 addr_ptr = addr;
4019                 next = 0;
4020         }
4021
4022         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4023         if (info == NULL)
4024                 return -1;
4025
4026         pos = buf;
4027         end = buf + buflen;
4028
4029         res = os_snprintf(pos, end - pos, MACSTR "\n"
4030                           "pri_dev_type=%s\n"
4031                           "device_name=%s\n"
4032                           "manufacturer=%s\n"
4033                           "model_name=%s\n"
4034                           "model_number=%s\n"
4035                           "serial_number=%s\n"
4036                           "config_methods=0x%x\n"
4037                           "dev_capab=0x%x\n"
4038                           "group_capab=0x%x\n"
4039                           "level=%d\n",
4040                           MAC2STR(info->p2p_device_addr),
4041                           wps_dev_type_bin2str(info->pri_dev_type,
4042                                                devtype, sizeof(devtype)),
4043                           info->device_name,
4044                           info->manufacturer,
4045                           info->model_name,
4046                           info->model_number,
4047                           info->serial_number,
4048                           info->config_methods,
4049                           info->dev_capab,
4050                           info->group_capab,
4051                           info->level);
4052         if (res < 0 || res >= end - pos)
4053                 return pos - buf;
4054         pos += res;
4055
4056         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4057         {
4058                 const u8 *t;
4059                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4060                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4061                                   wps_dev_type_bin2str(t, devtype,
4062                                                        sizeof(devtype)));
4063                 if (res < 0 || res >= end - pos)
4064                         return pos - buf;
4065                 pos += res;
4066         }
4067
4068         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4069         if (ssid) {
4070                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4071                 if (res < 0 || res >= end - pos)
4072                         return pos - buf;
4073                 pos += res;
4074         }
4075
4076         res = p2p_get_peer_info_txt(info, pos, end - pos);
4077         if (res < 0)
4078                 return pos - buf;
4079         pos += res;
4080
4081         return pos - buf;
4082 }
4083
4084
4085 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4086                                   const char *param)
4087 {
4088         struct wpa_freq_range *freq = NULL, *n;
4089         unsigned int count = 0, i;
4090         const char *pos, *pos2, *pos3;
4091
4092         if (wpa_s->global->p2p == NULL)
4093                 return -1;
4094
4095         /*
4096          * param includes comma separated frequency range.
4097          * For example: 2412-2432,2462,5000-6000
4098          */
4099         pos = param;
4100         while (pos && pos[0]) {
4101                 n = os_realloc_array(freq, count + 1,
4102                                      sizeof(struct wpa_freq_range));
4103                 if (n == NULL) {
4104                         os_free(freq);
4105                         return -1;
4106                 }
4107                 freq = n;
4108                 freq[count].min = atoi(pos);
4109                 pos2 = os_strchr(pos, '-');
4110                 pos3 = os_strchr(pos, ',');
4111                 if (pos2 && (!pos3 || pos2 < pos3)) {
4112                         pos2++;
4113                         freq[count].max = atoi(pos2);
4114                 } else
4115                         freq[count].max = freq[count].min;
4116                 pos = pos3;
4117                 if (pos)
4118                         pos++;
4119                 count++;
4120         }
4121
4122         for (i = 0; i < count; i++) {
4123                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4124                            freq[i].min, freq[i].max);
4125         }
4126
4127         os_free(wpa_s->global->p2p_disallow_freq);
4128         wpa_s->global->p2p_disallow_freq = freq;
4129         wpa_s->global->num_p2p_disallow_freq = count;
4130         wpas_p2p_update_channel_list(wpa_s);
4131         return 0;
4132 }
4133
4134
4135 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4136 {
4137         char *param;
4138
4139         if (wpa_s->global->p2p == NULL)
4140                 return -1;
4141
4142         param = os_strchr(cmd, ' ');
4143         if (param == NULL)
4144                 return -1;
4145         *param++ = '\0';
4146
4147         if (os_strcmp(cmd, "discoverability") == 0) {
4148                 p2p_set_client_discoverability(wpa_s->global->p2p,
4149                                                atoi(param));
4150                 return 0;
4151         }
4152
4153         if (os_strcmp(cmd, "managed") == 0) {
4154                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4155                 return 0;
4156         }
4157
4158         if (os_strcmp(cmd, "listen_channel") == 0) {
4159                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4160                                               atoi(param));
4161         }
4162
4163         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4164                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4165                                             os_strlen(param));
4166         }
4167
4168         if (os_strcmp(cmd, "noa") == 0) {
4169                 char *pos;
4170                 int count, start, duration;
4171                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4172                 count = atoi(param);
4173                 pos = os_strchr(param, ',');
4174                 if (pos == NULL)
4175                         return -1;
4176                 pos++;
4177                 start = atoi(pos);
4178                 pos = os_strchr(pos, ',');
4179                 if (pos == NULL)
4180                         return -1;
4181                 pos++;
4182                 duration = atoi(pos);
4183                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4184                         return -1;
4185                 if (count == 0 && duration > 0)
4186                         return -1;
4187                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4188                            "start=%d duration=%d", count, start, duration);
4189                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4190         }
4191
4192         if (os_strcmp(cmd, "ps") == 0)
4193                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4194
4195         if (os_strcmp(cmd, "oppps") == 0)
4196                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4197
4198         if (os_strcmp(cmd, "ctwindow") == 0)
4199                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4200
4201         if (os_strcmp(cmd, "disabled") == 0) {
4202                 wpa_s->global->p2p_disabled = atoi(param);
4203                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4204                            wpa_s->global->p2p_disabled ?
4205                            "disabled" : "enabled");
4206                 if (wpa_s->global->p2p_disabled) {
4207                         wpas_p2p_stop_find(wpa_s);
4208                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4209                         p2p_flush(wpa_s->global->p2p);
4210                 }
4211                 return 0;
4212         }
4213
4214         if (os_strcmp(cmd, "conc_pref") == 0) {
4215                 if (os_strcmp(param, "sta") == 0)
4216                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4217                 else if (os_strcmp(param, "p2p") == 0)
4218                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4219                 else {
4220                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4221                         return -1;
4222                 }
4223                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4224                            "%s", param);
4225                 return 0;
4226         }
4227
4228         if (os_strcmp(cmd, "force_long_sd") == 0) {
4229                 wpa_s->force_long_sd = atoi(param);
4230                 return 0;
4231         }
4232
4233         if (os_strcmp(cmd, "peer_filter") == 0) {
4234                 u8 addr[ETH_ALEN];
4235                 if (hwaddr_aton(param, addr))
4236                         return -1;
4237                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4238                 return 0;
4239         }
4240
4241         if (os_strcmp(cmd, "cross_connect") == 0)
4242                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4243
4244         if (os_strcmp(cmd, "go_apsd") == 0) {
4245                 if (os_strcmp(param, "disable") == 0)
4246                         wpa_s->set_ap_uapsd = 0;
4247                 else {
4248                         wpa_s->set_ap_uapsd = 1;
4249                         wpa_s->ap_uapsd = atoi(param);
4250                 }
4251                 return 0;
4252         }
4253
4254         if (os_strcmp(cmd, "client_apsd") == 0) {
4255                 if (os_strcmp(param, "disable") == 0)
4256                         wpa_s->set_sta_uapsd = 0;
4257                 else {
4258                         int be, bk, vi, vo;
4259                         char *pos;
4260                         /* format: BE,BK,VI,VO;max SP Length */
4261                         be = atoi(param);
4262                         pos = os_strchr(param, ',');
4263                         if (pos == NULL)
4264                                 return -1;
4265                         pos++;
4266                         bk = atoi(pos);
4267                         pos = os_strchr(pos, ',');
4268                         if (pos == NULL)
4269                                 return -1;
4270                         pos++;
4271                         vi = atoi(pos);
4272                         pos = os_strchr(pos, ',');
4273                         if (pos == NULL)
4274                                 return -1;
4275                         pos++;
4276                         vo = atoi(pos);
4277                         /* ignore max SP Length for now */
4278
4279                         wpa_s->set_sta_uapsd = 1;
4280                         wpa_s->sta_uapsd = 0;
4281                         if (be)
4282                                 wpa_s->sta_uapsd |= BIT(0);
4283                         if (bk)
4284                                 wpa_s->sta_uapsd |= BIT(1);
4285                         if (vi)
4286                                 wpa_s->sta_uapsd |= BIT(2);
4287                         if (vo)
4288                                 wpa_s->sta_uapsd |= BIT(3);
4289                 }
4290                 return 0;
4291         }
4292
4293         if (os_strcmp(cmd, "disallow_freq") == 0)
4294                 return p2p_ctrl_disallow_freq(wpa_s, param);
4295
4296         if (os_strcmp(cmd, "disc_int") == 0) {
4297                 int min_disc_int, max_disc_int, max_disc_tu;
4298                 char *pos;
4299
4300                 pos = param;
4301
4302                 min_disc_int = atoi(pos);
4303                 pos = os_strchr(pos, ' ');
4304                 if (pos == NULL)
4305                         return -1;
4306                 *pos++ = '\0';
4307
4308                 max_disc_int = atoi(pos);
4309                 pos = os_strchr(pos, ' ');
4310                 if (pos == NULL)
4311                         return -1;
4312                 *pos++ = '\0';
4313
4314                 max_disc_tu = atoi(pos);
4315
4316                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4317                                         max_disc_int, max_disc_tu);
4318         }
4319
4320         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4321                    cmd);
4322
4323         return -1;
4324 }
4325
4326
4327 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4328 {
4329         char *pos, *pos2;
4330         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4331
4332         if (cmd[0]) {
4333                 pos = os_strchr(cmd, ' ');
4334                 if (pos == NULL)
4335                         return -1;
4336                 *pos++ = '\0';
4337                 dur1 = atoi(cmd);
4338
4339                 pos2 = os_strchr(pos, ' ');
4340                 if (pos2)
4341                         *pos2++ = '\0';
4342                 int1 = atoi(pos);
4343         } else
4344                 pos2 = NULL;
4345
4346         if (pos2) {
4347                 pos = os_strchr(pos2, ' ');
4348                 if (pos == NULL)
4349                         return -1;
4350                 *pos++ = '\0';
4351                 dur2 = atoi(pos2);
4352                 int2 = atoi(pos);
4353         }
4354
4355         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4356 }
4357
4358
4359 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4360 {
4361         char *pos;
4362         unsigned int period = 0, interval = 0;
4363
4364         if (cmd[0]) {
4365                 pos = os_strchr(cmd, ' ');
4366                 if (pos == NULL)
4367                         return -1;
4368                 *pos++ = '\0';
4369                 period = atoi(cmd);
4370                 interval = atoi(pos);
4371         }
4372
4373         return wpas_p2p_ext_listen(wpa_s, period, interval);
4374 }
4375
4376 #endif /* CONFIG_P2P */
4377
4378
4379 #ifdef CONFIG_INTERWORKING
4380 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4381 {
4382         u8 bssid[ETH_ALEN];
4383         struct wpa_bss *bss;
4384
4385         if (hwaddr_aton(dst, bssid)) {
4386                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4387                 return -1;
4388         }
4389
4390         bss = wpa_bss_get_bssid(wpa_s, bssid);
4391         if (bss == NULL) {
4392                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4393                            MAC2STR(bssid));
4394                 return -1;
4395         }
4396
4397         return interworking_connect(wpa_s, bss);
4398 }
4399
4400
4401 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4402 {
4403         u8 dst_addr[ETH_ALEN];
4404         int used;
4405         char *pos;
4406 #define MAX_ANQP_INFO_ID 100
4407         u16 id[MAX_ANQP_INFO_ID];
4408         size_t num_id = 0;
4409
4410         used = hwaddr_aton2(dst, dst_addr);
4411         if (used < 0)
4412                 return -1;
4413         pos = dst + used;
4414         while (num_id < MAX_ANQP_INFO_ID) {
4415                 id[num_id] = atoi(pos);
4416                 if (id[num_id])
4417                         num_id++;
4418                 pos = os_strchr(pos + 1, ',');
4419                 if (pos == NULL)
4420                         break;
4421                 pos++;
4422         }
4423
4424         if (num_id == 0)
4425                 return -1;
4426
4427         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4428 }
4429
4430
4431 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4432 {
4433         u8 dst_addr[ETH_ALEN];
4434         struct wpabuf *advproto, *query = NULL;
4435         int used, ret = -1;
4436         char *pos, *end;
4437         size_t len;
4438
4439         used = hwaddr_aton2(cmd, dst_addr);
4440         if (used < 0)
4441                 return -1;
4442
4443         pos = cmd + used;
4444         while (*pos == ' ')
4445                 pos++;
4446
4447         /* Advertisement Protocol ID */
4448         end = os_strchr(pos, ' ');
4449         if (end)
4450                 len = end - pos;
4451         else
4452                 len = os_strlen(pos);
4453         if (len & 0x01)
4454                 return -1;
4455         len /= 2;
4456         if (len == 0)
4457                 return -1;
4458         advproto = wpabuf_alloc(len);
4459         if (advproto == NULL)
4460                 return -1;
4461         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4462                 goto fail;
4463
4464         if (end) {
4465                 /* Optional Query Request */
4466                 pos = end + 1;
4467                 while (*pos == ' ')
4468                         pos++;
4469
4470                 len = os_strlen(pos);
4471                 if (len) {
4472                         if (len & 0x01)
4473                                 goto fail;
4474                         len /= 2;
4475                         if (len == 0)
4476                                 goto fail;
4477                         query = wpabuf_alloc(len);
4478                         if (query == NULL)
4479                                 goto fail;
4480                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4481                                 goto fail;
4482                 }
4483         }
4484
4485         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4486
4487 fail:
4488         wpabuf_free(advproto);
4489         wpabuf_free(query);
4490
4491         return ret;
4492 }
4493
4494
4495 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4496                             size_t buflen)
4497 {
4498         u8 addr[ETH_ALEN];
4499         int dialog_token;
4500         int used;
4501         char *pos;
4502         size_t resp_len, start, requested_len;
4503
4504         if (!wpa_s->last_gas_resp)
4505                 return -1;
4506
4507         used = hwaddr_aton2(cmd, addr);
4508         if (used < 0)
4509                 return -1;
4510
4511         pos = cmd + used;
4512         while (*pos == ' ')
4513                 pos++;
4514         dialog_token = atoi(pos);
4515
4516         if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4517             dialog_token != wpa_s->last_gas_dialog_token)
4518                 return -1;
4519
4520         resp_len = wpabuf_len(wpa_s->last_gas_resp);
4521         start = 0;
4522         requested_len = resp_len;
4523
4524         pos = os_strchr(pos, ' ');
4525         if (pos) {
4526                 start = atoi(pos);
4527                 if (start > resp_len)
4528                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4529                 pos = os_strchr(pos, ',');
4530                 if (pos == NULL)
4531                         return -1;
4532                 pos++;
4533                 requested_len = atoi(pos);
4534                 if (start + requested_len > resp_len)
4535                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4536         }
4537
4538         if (requested_len * 2 + 1 > buflen)
4539                 return os_snprintf(buf, buflen, "FAIL-Too long response");
4540
4541         return wpa_snprintf_hex(buf, buflen,
4542                                 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4543                                 requested_len);
4544 }
4545 #endif /* CONFIG_INTERWORKING */
4546
4547
4548 #ifdef CONFIG_HS20
4549
4550 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4551 {
4552         u8 dst_addr[ETH_ALEN];
4553         int used;
4554         char *pos;
4555         u32 subtypes = 0;
4556
4557         used = hwaddr_aton2(dst, dst_addr);
4558         if (used < 0)
4559                 return -1;
4560         pos = dst + used;
4561         for (;;) {
4562                 int num = atoi(pos);
4563                 if (num <= 0 || num > 31)
4564                         return -1;
4565                 subtypes |= BIT(num);
4566                 pos = os_strchr(pos + 1, ',');
4567                 if (pos == NULL)
4568                         break;
4569                 pos++;
4570         }
4571
4572         if (subtypes == 0)
4573                 return -1;
4574
4575         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4576 }
4577
4578
4579 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4580                                     const u8 *addr, const char *realm)
4581 {
4582         u8 *buf;
4583         size_t rlen, len;
4584         int ret;
4585
4586         rlen = os_strlen(realm);
4587         len = 3 + rlen;
4588         buf = os_malloc(len);
4589         if (buf == NULL)
4590                 return -1;
4591         buf[0] = 1; /* NAI Home Realm Count */
4592         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4593         buf[2] = rlen;
4594         os_memcpy(buf + 3, realm, rlen);
4595
4596         ret = hs20_anqp_send_req(wpa_s, addr,
4597                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4598                                  buf, len);
4599
4600         os_free(buf);
4601
4602         return ret;
4603 }
4604
4605
4606 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4607                                         char *dst)
4608 {
4609         struct wpa_cred *cred = wpa_s->conf->cred;
4610         u8 dst_addr[ETH_ALEN];
4611         int used;
4612         u8 *buf;
4613         size_t len;
4614         int ret;
4615
4616         used = hwaddr_aton2(dst, dst_addr);
4617         if (used < 0)
4618                 return -1;
4619
4620         while (dst[used] == ' ')
4621                 used++;
4622         if (os_strncmp(dst + used, "realm=", 6) == 0)
4623                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4624                                                 dst + used + 6);
4625
4626         len = os_strlen(dst + used);
4627
4628         if (len == 0 && cred && cred->realm)
4629                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4630
4631         if (len % 1)
4632                 return -1;
4633         len /= 2;
4634         buf = os_malloc(len);
4635         if (buf == NULL)
4636                 return -1;
4637         if (hexstr2bin(dst + used, buf, len) < 0) {
4638                 os_free(buf);
4639                 return -1;
4640         }
4641
4642         ret = hs20_anqp_send_req(wpa_s, dst_addr,
4643                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4644                                  buf, len);
4645         os_free(buf);
4646
4647         return ret;
4648 }
4649
4650 #endif /* CONFIG_HS20 */
4651
4652
4653 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4654         struct wpa_supplicant *wpa_s, char *cmd)
4655 {
4656         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4657         return 0;
4658 }
4659
4660
4661 #ifdef CONFIG_AUTOSCAN
4662
4663 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4664                                               char *cmd)
4665 {
4666         enum wpa_states state = wpa_s->wpa_state;
4667         char *new_params = NULL;
4668
4669         if (os_strlen(cmd) > 0) {
4670                 new_params = os_strdup(cmd);
4671                 if (new_params == NULL)
4672                         return -1;
4673         }
4674
4675         os_free(wpa_s->conf->autoscan);
4676         wpa_s->conf->autoscan = new_params;
4677
4678         if (wpa_s->conf->autoscan == NULL)
4679                 autoscan_deinit(wpa_s);
4680         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4681                 autoscan_init(wpa_s, 1);
4682         else if (state == WPA_SCANNING)
4683                 wpa_supplicant_reinit_autoscan(wpa_s);
4684
4685         return 0;
4686 }
4687
4688 #endif /* CONFIG_AUTOSCAN */
4689
4690
4691 #ifdef CONFIG_WNM
4692
4693 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
4694 {
4695         int enter;
4696         int intval = 0;
4697         char *pos;
4698         int ret;
4699         struct wpabuf *tfs_req = NULL;
4700
4701         if (os_strncmp(cmd, "enter", 5) == 0)
4702                 enter = 1;
4703         else if (os_strncmp(cmd, "exit", 4) == 0)
4704                 enter = 0;
4705         else
4706                 return -1;
4707
4708         pos = os_strstr(cmd, " interval=");
4709         if (pos)
4710                 intval = atoi(pos + 10);
4711
4712         pos = os_strstr(cmd, " tfs_req=");
4713         if (pos) {
4714                 char *end;
4715                 size_t len;
4716                 pos += 9;
4717                 end = os_strchr(pos, ' ');
4718                 if (end)
4719                         len = end - pos;
4720                 else
4721                         len = os_strlen(pos);
4722                 if (len & 1)
4723                         return -1;
4724                 len /= 2;
4725                 tfs_req = wpabuf_alloc(len);
4726                 if (tfs_req == NULL)
4727                         return -1;
4728                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
4729                         wpabuf_free(tfs_req);
4730                         return -1;
4731                 }
4732         }
4733
4734         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
4735                                            WNM_SLEEP_MODE_EXIT, intval,
4736                                            tfs_req);
4737         wpabuf_free(tfs_req);
4738
4739         return ret;
4740 }
4741
4742 #endif /* CONFIG_WNM */
4743
4744
4745 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
4746                                       size_t buflen)
4747 {
4748         struct wpa_signal_info si;
4749         int ret;
4750
4751         ret = wpa_drv_signal_poll(wpa_s, &si);
4752         if (ret)
4753                 return -1;
4754
4755         ret = os_snprintf(buf, buflen, "RSSI=%d\nLINKSPEED=%d\n"
4756                           "NOISE=%d\nFREQUENCY=%u\n",
4757                           si.current_signal, si.current_txrate / 1000,
4758                           si.current_noise, si.frequency);
4759         if (ret < 0 || (unsigned int) ret > buflen)
4760                 return -1;
4761         return ret;
4762 }
4763
4764
4765 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
4766                                       size_t buflen)
4767 {
4768         struct hostap_sta_driver_data sta;
4769         int ret;
4770
4771         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
4772         if (ret)
4773                 return -1;
4774
4775         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
4776                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
4777         if (ret < 0 || (size_t) ret > buflen)
4778                 return -1;
4779         return ret;
4780 }
4781
4782
4783 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
4784                                          char *buf, size_t *resp_len)
4785 {
4786         char *reply;
4787         const int reply_size = 4096;
4788         int ctrl_rsp = 0;
4789         int reply_len;
4790
4791         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
4792             os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
4793             os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
4794             os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
4795                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
4796                                       (const u8 *) buf, os_strlen(buf));
4797         } else {
4798                 int level = MSG_DEBUG;
4799                 if (os_strcmp(buf, "PING") == 0)
4800                         level = MSG_EXCESSIVE;
4801                 wpa_hexdump_ascii(level, "RX ctrl_iface",
4802                                   (const u8 *) buf, os_strlen(buf));
4803                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
4804         }
4805
4806         reply = os_malloc(reply_size);
4807         if (reply == NULL) {
4808                 *resp_len = 1;
4809                 return NULL;
4810         }
4811
4812         os_memcpy(reply, "OK\n", 3);
4813         reply_len = 3;
4814
4815         if (os_strcmp(buf, "PING") == 0) {
4816                 os_memcpy(reply, "PONG\n", 5);
4817                 reply_len = 5;
4818         } else if (os_strcmp(buf, "IFNAME") == 0) {
4819                 reply_len = os_strlen(wpa_s->ifname);
4820                 os_memcpy(reply, wpa_s->ifname, reply_len);
4821         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
4822                 if (wpa_debug_reopen_file() < 0)
4823                         reply_len = -1;
4824         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
4825                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
4826         } else if (os_strcmp(buf, "MIB") == 0) {
4827                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
4828                 if (reply_len >= 0) {
4829                         int res;
4830                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
4831                                                reply_size - reply_len);
4832                         if (res < 0)
4833                                 reply_len = -1;
4834                         else
4835                                 reply_len += res;
4836                 }
4837         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
4838                 reply_len = wpa_supplicant_ctrl_iface_status(
4839                         wpa_s, buf + 6, reply, reply_size);
4840         } else if (os_strcmp(buf, "PMKSA") == 0) {
4841                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
4842                                                     reply_size);
4843         } else if (os_strncmp(buf, "SET ", 4) == 0) {
4844                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
4845                         reply_len = -1;
4846         } else if (os_strncmp(buf, "GET ", 4) == 0) {
4847                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
4848                                                           reply, reply_size);
4849         } else if (os_strcmp(buf, "LOGON") == 0) {
4850                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
4851         } else if (os_strcmp(buf, "LOGOFF") == 0) {
4852                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
4853         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
4854                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4855                         reply_len = -1;
4856                 else
4857                         wpas_request_connection(wpa_s);
4858         } else if (os_strcmp(buf, "RECONNECT") == 0) {
4859                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4860                         reply_len = -1;
4861                 else if (wpa_s->disconnected)
4862                         wpas_request_connection(wpa_s);
4863 #ifdef IEEE8021X_EAPOL
4864         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
4865                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
4866                         reply_len = -1;
4867 #endif /* IEEE8021X_EAPOL */
4868 #ifdef CONFIG_PEERKEY
4869         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
4870                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
4871                         reply_len = -1;
4872 #endif /* CONFIG_PEERKEY */
4873 #ifdef CONFIG_IEEE80211R
4874         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
4875                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
4876                         reply_len = -1;
4877 #endif /* CONFIG_IEEE80211R */
4878 #ifdef CONFIG_WPS
4879         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
4880                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
4881                 if (res == -2) {
4882                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4883                         reply_len = 17;
4884                 } else if (res)
4885                         reply_len = -1;
4886         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
4887                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
4888                 if (res == -2) {
4889                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4890                         reply_len = 17;
4891                 } else if (res)
4892                         reply_len = -1;
4893         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
4894                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
4895                                                               reply,
4896                                                               reply_size);
4897         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
4898                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
4899                         wpa_s, buf + 14, reply, reply_size);
4900         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
4901                 if (wpas_wps_cancel(wpa_s))
4902                         reply_len = -1;
4903 #ifdef CONFIG_WPS_NFC
4904         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
4905                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
4906                         reply_len = -1;
4907         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
4908                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
4909                         reply_len = -1;
4910         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
4911                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
4912                         wpa_s, buf + 14, reply, reply_size);
4913         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
4914                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
4915                                                                buf + 17))
4916                         reply_len = -1;
4917         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
4918                 reply_len = wpas_ctrl_nfc_get_handover_req(
4919                         wpa_s, buf + 21, reply, reply_size);
4920         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
4921                 reply_len = wpas_ctrl_nfc_get_handover_sel(
4922                         wpa_s, buf + 21, reply, reply_size);
4923         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
4924                 reply_len = wpas_ctrl_nfc_rx_handover_req(
4925                         wpa_s, buf + 20, reply, reply_size);
4926         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
4927                 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
4928                         reply_len = -1;
4929 #endif /* CONFIG_WPS_NFC */
4930         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
4931                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
4932                         reply_len = -1;
4933 #ifdef CONFIG_AP
4934         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
4935                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
4936                         wpa_s, buf + 11, reply, reply_size);
4937 #endif /* CONFIG_AP */
4938 #ifdef CONFIG_WPS_ER
4939         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
4940                 if (wpas_wps_er_start(wpa_s, NULL))
4941                         reply_len = -1;
4942         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
4943                 if (wpas_wps_er_start(wpa_s, buf + 13))
4944                         reply_len = -1;
4945         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
4946                 if (wpas_wps_er_stop(wpa_s))
4947                         reply_len = -1;
4948         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
4949                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
4950                         reply_len = -1;
4951         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
4952                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
4953                 if (ret == -2) {
4954                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4955                         reply_len = 17;
4956                 } else if (ret == -3) {
4957                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
4958                         reply_len = 18;
4959                 } else if (ret == -4) {
4960                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
4961                         reply_len = 20;
4962                 } else if (ret)
4963                         reply_len = -1;
4964         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
4965                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
4966                         reply_len = -1;
4967         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
4968                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
4969                                                                 buf + 18))
4970                         reply_len = -1;
4971         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
4972                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
4973                         reply_len = -1;
4974 #ifdef CONFIG_WPS_NFC
4975         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
4976                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
4977                         wpa_s, buf + 24, reply, reply_size);
4978 #endif /* CONFIG_WPS_NFC */
4979 #endif /* CONFIG_WPS_ER */
4980 #endif /* CONFIG_WPS */
4981 #ifdef CONFIG_IBSS_RSN
4982         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
4983                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
4984                         reply_len = -1;
4985 #endif /* CONFIG_IBSS_RSN */
4986 #ifdef CONFIG_P2P
4987         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
4988                 if (p2p_ctrl_find(wpa_s, buf + 9))
4989                         reply_len = -1;
4990         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
4991                 if (p2p_ctrl_find(wpa_s, ""))
4992                         reply_len = -1;
4993         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
4994                 wpas_p2p_stop_find(wpa_s);
4995         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
4996                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
4997                                              reply_size);
4998         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
4999                 if (p2p_ctrl_listen(wpa_s, buf + 11))
5000                         reply_len = -1;
5001         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
5002                 if (p2p_ctrl_listen(wpa_s, ""))
5003                         reply_len = -1;
5004         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
5005                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
5006                         reply_len = -1;
5007         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
5008                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0))
5009                         reply_len = -1;
5010         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
5011                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
5012                         reply_len = -1;
5013         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
5014                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
5015                         reply_len = -1;
5016         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
5017                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
5018         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
5019                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
5020                                                    reply_size);
5021         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
5022                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
5023                         reply_len = -1;
5024         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
5025                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
5026                         reply_len = -1;
5027         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
5028                 wpas_p2p_sd_service_update(wpa_s);
5029         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
5030                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
5031                         reply_len = -1;
5032         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
5033                 wpas_p2p_service_flush(wpa_s);
5034         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
5035                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
5036                         reply_len = -1;
5037         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
5038                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
5039                         reply_len = -1;
5040         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
5041                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
5042                         reply_len = -1;
5043         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
5044                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
5045                         reply_len = -1;
5046         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
5047                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
5048                                               reply_size);
5049         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
5050                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
5051                         reply_len = -1;
5052         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
5053                 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5054                 wpa_s->force_long_sd = 0;
5055                 if (wpa_s->global->p2p)
5056                         p2p_flush(wpa_s->global->p2p);
5057         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
5058                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
5059                         reply_len = -1;
5060         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
5061                 if (wpas_p2p_cancel(wpa_s))
5062                         reply_len = -1;
5063         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
5064                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
5065                         reply_len = -1;
5066         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
5067                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
5068                         reply_len = -1;
5069         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
5070                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
5071                         reply_len = -1;
5072         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
5073                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
5074                         reply_len = -1;
5075 #endif /* CONFIG_P2P */
5076 #ifdef CONFIG_WIFI_DISPLAY
5077         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
5078                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
5079                         reply_len = -1;
5080         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
5081                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
5082                                                      reply, reply_size);
5083 #endif /* CONFIG_WIFI_DISPLAY */
5084 #ifdef CONFIG_INTERWORKING
5085         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
5086                 if (interworking_fetch_anqp(wpa_s) < 0)
5087                         reply_len = -1;
5088         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
5089                 interworking_stop_fetch_anqp(wpa_s);
5090         } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
5091                 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
5092                                         NULL) < 0)
5093                         reply_len = -1;
5094         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
5095                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
5096                         reply_len = -1;
5097         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
5098                 if (get_anqp(wpa_s, buf + 9) < 0)
5099                         reply_len = -1;
5100         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
5101                 if (gas_request(wpa_s, buf + 12) < 0)
5102                         reply_len = -1;
5103         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
5104                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
5105                                              reply_size);
5106 #endif /* CONFIG_INTERWORKING */
5107 #ifdef CONFIG_HS20
5108         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
5109                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
5110                         reply_len = -1;
5111         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
5112                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
5113                         reply_len = -1;
5114 #endif /* CONFIG_HS20 */
5115         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
5116         {
5117                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
5118                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
5119                         reply_len = -1;
5120                 else
5121                         ctrl_rsp = 1;
5122         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
5123                 if (wpa_supplicant_reload_configuration(wpa_s))
5124                         reply_len = -1;
5125         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5126                 wpa_supplicant_terminate_proc(wpa_s->global);
5127         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
5128                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
5129                         reply_len = -1;
5130         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
5131                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
5132                         wpa_s, buf + 9, reply, reply_size);
5133         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
5134                 reply_len = wpa_supplicant_ctrl_iface_log_level(
5135                         wpa_s, buf + 9, reply, reply_size);
5136         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
5137                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
5138                         wpa_s, reply, reply_size);
5139         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
5140 #ifdef CONFIG_SME
5141                 wpa_s->sme.prev_bssid_set = 0;
5142 #endif /* CONFIG_SME */
5143                 wpa_s->reassociate = 0;
5144                 wpa_s->disconnected = 1;
5145                 wpa_supplicant_cancel_sched_scan(wpa_s);
5146                 wpa_supplicant_cancel_scan(wpa_s);
5147                 wpa_supplicant_deauthenticate(wpa_s,
5148                                               WLAN_REASON_DEAUTH_LEAVING);
5149         } else if (os_strcmp(buf, "SCAN") == 0) {
5150                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5151                         reply_len = -1;
5152                 else {
5153                         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5154                             ((wpa_s->wpa_state <= WPA_SCANNING) ||
5155                              (wpa_s->wpa_state == WPA_COMPLETED))) {
5156                                 wpa_s->normal_scans = 0;
5157                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5158                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5159                         } else if (wpa_s->sched_scanning) {
5160                                 wpa_printf(MSG_DEBUG, "Stop ongoing "
5161                                            "sched_scan to allow requested "
5162                                            "full scan to proceed");
5163                                 wpa_supplicant_cancel_sched_scan(wpa_s);
5164                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5165                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5166                         } else {
5167                                 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
5168                                            "reject new request");
5169                                 reply_len = os_snprintf(reply, reply_size,
5170                                                         "FAIL-BUSY\n");
5171                         }
5172                 }
5173         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
5174                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
5175                         wpa_s, reply, reply_size);
5176         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
5177                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
5178                         reply_len = -1;
5179         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
5180                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
5181                         reply_len = -1;
5182         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
5183                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
5184                         reply_len = -1;
5185         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
5186                 reply_len = wpa_supplicant_ctrl_iface_add_network(
5187                         wpa_s, reply, reply_size);
5188         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
5189                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
5190                         reply_len = -1;
5191         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5192                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
5193                         reply_len = -1;
5194         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
5195                 reply_len = wpa_supplicant_ctrl_iface_get_network(
5196                         wpa_s, buf + 12, reply, reply_size);
5197         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
5198                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
5199                         wpa_s, reply, reply_size);
5200         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
5201                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
5202                         wpa_s, reply, reply_size);
5203         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
5204                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
5205                         reply_len = -1;
5206         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
5207                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
5208                         reply_len = -1;
5209 #ifndef CONFIG_NO_CONFIG_WRITE
5210         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
5211                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
5212                         reply_len = -1;
5213 #endif /* CONFIG_NO_CONFIG_WRITE */
5214         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
5215                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
5216                         wpa_s, buf + 15, reply, reply_size);
5217         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
5218                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
5219                         reply_len = -1;
5220         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
5221                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
5222                         reply_len = -1;
5223         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5224                 reply_len = wpa_supplicant_global_iface_list(
5225                         wpa_s->global, reply, reply_size);
5226         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5227                 reply_len = wpa_supplicant_global_iface_interfaces(
5228                         wpa_s->global, reply, reply_size);
5229         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
5230                 reply_len = wpa_supplicant_ctrl_iface_bss(
5231                         wpa_s, buf + 4, reply, reply_size);
5232 #ifdef CONFIG_AP
5233         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
5234                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
5235         } else if (os_strncmp(buf, "STA ", 4) == 0) {
5236                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
5237                                               reply_size);
5238         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
5239                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
5240                                                    reply_size);
5241         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
5242                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
5243                         reply_len = -1;
5244         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
5245                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
5246                         reply_len = -1;
5247 #endif /* CONFIG_AP */
5248         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5249                 wpas_notify_suspend(wpa_s->global);
5250         } else if (os_strcmp(buf, "RESUME") == 0) {
5251                 wpas_notify_resume(wpa_s->global);
5252         } else if (os_strcmp(buf, "DROP_SA") == 0) {
5253                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
5254         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
5255                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
5256                         reply_len = -1;
5257         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
5258                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
5259                         reply_len = -1;
5260         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
5261                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
5262                         reply_len = -1;
5263         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
5264                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
5265                                                                buf + 17))
5266                         reply_len = -1;
5267         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
5268                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
5269                         reply_len = -1;
5270 #ifdef CONFIG_TDLS
5271         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
5272                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
5273                         reply_len = -1;
5274         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
5275                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
5276                         reply_len = -1;
5277         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
5278                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
5279                         reply_len = -1;
5280 #endif /* CONFIG_TDLS */
5281         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
5282                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
5283                                                        reply_size);
5284         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
5285                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
5286                                                        reply_size);
5287 #ifdef CONFIG_AUTOSCAN
5288         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
5289                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
5290                         reply_len = -1;
5291 #endif /* CONFIG_AUTOSCAN */
5292         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
5293                 pmksa_cache_clear_current(wpa_s->wpa);
5294                 eapol_sm_request_reauth(wpa_s->eapol);
5295 #ifdef CONFIG_WNM
5296         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
5297                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
5298                         reply_len = -1;
5299 #endif /* CONFIG_WNM */
5300         } else {
5301                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5302                 reply_len = 16;
5303         }
5304
5305         if (reply_len < 0) {
5306                 os_memcpy(reply, "FAIL\n", 5);
5307                 reply_len = 5;
5308         }
5309
5310         if (ctrl_rsp)
5311                 eapol_sm_notify_ctrl_response(wpa_s->eapol);
5312
5313         *resp_len = reply_len;
5314         return reply;
5315 }
5316
5317
5318 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
5319                                            char *cmd)
5320 {
5321         struct wpa_interface iface;
5322         char *pos;
5323
5324         /*
5325          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
5326          * TAB<bridge_ifname>
5327          */
5328         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
5329
5330         os_memset(&iface, 0, sizeof(iface));
5331
5332         do {
5333                 iface.ifname = pos = cmd;
5334                 pos = os_strchr(pos, '\t');
5335                 if (pos)
5336                         *pos++ = '\0';
5337                 if (iface.ifname[0] == '\0')
5338                         return -1;
5339                 if (pos == NULL)
5340                         break;
5341
5342                 iface.confname = pos;
5343                 pos = os_strchr(pos, '\t');
5344                 if (pos)
5345                         *pos++ = '\0';
5346                 if (iface.confname[0] == '\0')
5347                         iface.confname = NULL;
5348                 if (pos == NULL)
5349                         break;
5350
5351                 iface.driver = pos;
5352                 pos = os_strchr(pos, '\t');
5353                 if (pos)
5354                         *pos++ = '\0';
5355                 if (iface.driver[0] == '\0')
5356                         iface.driver = NULL;
5357                 if (pos == NULL)
5358                         break;
5359
5360                 iface.ctrl_interface = pos;
5361                 pos = os_strchr(pos, '\t');
5362                 if (pos)
5363                         *pos++ = '\0';
5364                 if (iface.ctrl_interface[0] == '\0')
5365                         iface.ctrl_interface = NULL;
5366                 if (pos == NULL)
5367                         break;
5368
5369                 iface.driver_param = pos;
5370                 pos = os_strchr(pos, '\t');
5371                 if (pos)
5372                         *pos++ = '\0';
5373                 if (iface.driver_param[0] == '\0')
5374                         iface.driver_param = NULL;
5375                 if (pos == NULL)
5376                         break;
5377
5378                 iface.bridge_ifname = pos;
5379                 pos = os_strchr(pos, '\t');
5380                 if (pos)
5381                         *pos++ = '\0';
5382                 if (iface.bridge_ifname[0] == '\0')
5383                         iface.bridge_ifname = NULL;
5384                 if (pos == NULL)
5385                         break;
5386         } while (0);
5387
5388         if (wpa_supplicant_get_iface(global, iface.ifname))
5389                 return -1;
5390
5391         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
5392 }
5393
5394
5395 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
5396                                               char *cmd)
5397 {
5398         struct wpa_supplicant *wpa_s;
5399
5400         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
5401
5402         wpa_s = wpa_supplicant_get_iface(global, cmd);
5403         if (wpa_s == NULL)
5404                 return -1;
5405         return wpa_supplicant_remove_iface(global, wpa_s, 0);
5406 }
5407
5408
5409 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5410 {
5411         struct wpa_interface_info *prev;
5412
5413         while (iface) {
5414                 prev = iface;
5415                 iface = iface->next;
5416
5417                 os_free(prev->ifname);
5418                 os_free(prev->desc);
5419                 os_free(prev);
5420         }
5421 }
5422
5423
5424 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5425                                             char *buf, int len)
5426 {
5427         int i, res;
5428         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5429         char *pos, *end;
5430
5431         for (i = 0; wpa_drivers[i]; i++) {
5432                 struct wpa_driver_ops *drv = wpa_drivers[i];
5433                 if (drv->get_interfaces == NULL)
5434                         continue;
5435                 tmp = drv->get_interfaces(global->drv_priv[i]);
5436                 if (tmp == NULL)
5437                         continue;
5438
5439                 if (last == NULL)
5440                         iface = last = tmp;
5441                 else
5442                         last->next = tmp;
5443                 while (last->next)
5444                         last = last->next;
5445         }
5446
5447         pos = buf;
5448         end = buf + len;
5449         for (tmp = iface; tmp; tmp = tmp->next) {
5450                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5451                                   tmp->drv_name, tmp->ifname,
5452                                   tmp->desc ? tmp->desc : "");
5453                 if (res < 0 || res >= end - pos) {
5454                         *pos = '\0';
5455                         break;
5456                 }
5457                 pos += res;
5458         }
5459
5460         wpa_free_iface_info(iface);
5461
5462         return pos - buf;
5463 }
5464
5465
5466 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5467                                                   char *buf, int len)
5468 {
5469         int res;
5470         char *pos, *end;
5471         struct wpa_supplicant *wpa_s;
5472
5473         wpa_s = global->ifaces;
5474         pos = buf;
5475         end = buf + len;
5476
5477         while (wpa_s) {
5478                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5479                 if (res < 0 || res >= end - pos) {
5480                         *pos = '\0';
5481                         break;
5482                 }
5483                 pos += res;
5484                 wpa_s = wpa_s->next;
5485         }
5486         return pos - buf;
5487 }
5488
5489
5490 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
5491                                                 char *buf, size_t *resp_len)
5492 {
5493         char *reply;
5494         const int reply_size = 2048;
5495         int reply_len;
5496         int level = MSG_DEBUG;
5497
5498         if (os_strcmp(buf, "PING") == 0)
5499                 level = MSG_EXCESSIVE;
5500         wpa_hexdump_ascii(level, "RX global ctrl_iface",
5501                           (const u8 *) buf, os_strlen(buf));
5502
5503         reply = os_malloc(reply_size);
5504         if (reply == NULL) {
5505                 *resp_len = 1;
5506                 return NULL;
5507         }
5508
5509         os_memcpy(reply, "OK\n", 3);
5510         reply_len = 3;
5511
5512         if (os_strcmp(buf, "PING") == 0) {
5513                 os_memcpy(reply, "PONG\n", 5);
5514                 reply_len = 5;
5515         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
5516                 if (wpa_supplicant_global_iface_add(global, buf + 14))
5517                         reply_len = -1;
5518         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
5519                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
5520                         reply_len = -1;
5521         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5522                 reply_len = wpa_supplicant_global_iface_list(
5523                         global, reply, reply_size);
5524         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5525                 reply_len = wpa_supplicant_global_iface_interfaces(
5526                         global, reply, reply_size);
5527         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5528                 wpa_supplicant_terminate_proc(global);
5529         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5530                 wpas_notify_suspend(global);
5531         } else if (os_strcmp(buf, "RESUME") == 0) {
5532                 wpas_notify_resume(global);
5533         } else {
5534                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5535                 reply_len = 16;
5536         }
5537
5538         if (reply_len < 0) {
5539                 os_memcpy(reply, "FAIL\n", 5);
5540                 reply_len = 5;
5541         }
5542
5543         *resp_len = reply_len;
5544         return reply;
5545 }