wpa_supplicant/ctrl_iface.c

   1 /*
   2  * WPA Supplicant / Control interface (shared code for all backends)
   3  * Copyright (c) 2004-2012, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10
  11 #include "utils/common.h"
  12 #include "utils/eloop.h"
  13 #include "common/version.h"
  14 #include "common/ieee802_11_defs.h"
  15 #include "common/ieee802_11_common.h"
  16 #include "common/wpa_ctrl.h"
  17 #include "eap_peer/eap.h"
  18 #include "eapol_supp/eapol_supp_sm.h"
  19 #include "rsn_supp/wpa.h"
  20 #include "rsn_supp/preauth.h"
  21 #include "rsn_supp/pmksa_cache.h"
  22 #include "l2_packet/l2_packet.h"
  23 #include "wps/wps.h"
  24 #include "config.h"
  25 #include "wpa_supplicant_i.h"
  26 #include "driver_i.h"
  27 #include "wps_supplicant.h"
  28 #include "ibss_rsn.h"
  29 #include "ap.h"
  30 #include "p2p_supplicant.h"
  31 #include "p2p/p2p.h"
  32 #include "hs20_supplicant.h"
  33 #include "wifi_display.h"
  34 #include "notify.h"
  35 #include "bss.h"
  36 #include "scan.h"
  37 #include "ctrl_iface.h"
  38 #include "interworking.h"
  39 #include "blacklist.h"
  40 #include "autoscan.h"
  41 #include "wnm_sta.h"
  42
  43 extern struct wpa_driver_ops *wpa_drivers[];
  44
  45 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
  46                                             char *buf, int len);
  47 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
  48                                                   char *buf, int len);
  49
  50
  51 static int pno_start(struct wpa_supplicant *wpa_s)
  52 {
  53         int ret;
  54         size_t i, num_ssid;
  55         struct wpa_ssid *ssid;
  56         struct wpa_driver_scan_params params;
  57
  58         if (wpa_s->pno)
  59                 return 0;
  60
  61         if (wpa_s->wpa_state == WPA_SCANNING) {
  62                 wpa_supplicant_cancel_sched_scan(wpa_s);
  63                 wpa_supplicant_cancel_scan(wpa_s);
  64         }
  65
  66         os_memset(&params, 0, sizeof(params));
  67
  68         num_ssid = 0;
  69         ssid = wpa_s->conf->ssid;
  70         while (ssid) {
  71                 if (!wpas_network_disabled(wpa_s, ssid))
  72                         num_ssid++;
  73                 ssid = ssid->next;
  74         }
  75         if (num_ssid > WPAS_MAX_SCAN_SSIDS) {
  76                 wpa_printf(MSG_DEBUG, "PNO: Use only the first %u SSIDs from "
  77                            "%u", WPAS_MAX_SCAN_SSIDS, (unsigned int) num_ssid);
  78                 num_ssid = WPAS_MAX_SCAN_SSIDS;
  79         }
  80
  81         if (num_ssid == 0) {
  82                 wpa_printf(MSG_DEBUG, "PNO: No configured SSIDs");
  83                 return -1;
  84         }
  85
  86         params.filter_ssids = os_malloc(sizeof(struct wpa_driver_scan_filter) *
  87                                         num_ssid);
  88         if (params.filter_ssids == NULL)
  89                 return -1;
  90         i = 0;
  91         ssid = wpa_s->conf->ssid;
  92         while (ssid) {
  93                 if (!wpas_network_disabled(wpa_s, ssid)) {
  94                         params.ssids[i].ssid = ssid->ssid;
  95                         params.ssids[i].ssid_len = ssid->ssid_len;
  96                         params.num_ssids++;
  97                         os_memcpy(params.filter_ssids[i].ssid, ssid->ssid,
  98                                   ssid->ssid_len);
  99                         params.filter_ssids[i].ssid_len = ssid->ssid_len;
 100                         params.num_filter_ssids++;
 101                         i++;
 102                         if (i == num_ssid)
 103                                 break;
 104                 }
 105                 ssid = ssid->next;
 106         }
 107
 108         if (wpa_s->conf->filter_rssi)
 109                 params.filter_rssi = wpa_s->conf->filter_rssi;
 110
 111         ret = wpa_drv_sched_scan(wpa_s, &params, 10 * 1000);
 112         os_free(params.filter_ssids);
 113         if (ret == 0)
 114                 wpa_s->pno = 1;
 115         return ret;
 116 }
 117
 118
 119 static int pno_stop(struct wpa_supplicant *wpa_s)
 120 {
 121         int ret = 0;
 122
 123         if (wpa_s->pno) {
 124                 wpa_s->pno = 0;
 125                 ret = wpa_drv_stop_sched_scan(wpa_s);
 126         }
 127
 128         if (wpa_s->wpa_state == WPA_SCANNING)
 129                 wpa_supplicant_req_scan(wpa_s, 0, 0);
 130
 131         return ret;
 132 }
 133
 134
 135 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
 136 {
 137         char *pos;
 138         u8 addr[ETH_ALEN], *filter = NULL, *n;
 139         size_t count = 0;
 140
 141         pos = val;
 142         while (pos) {
 143                 if (*pos == '\0')
 144                         break;
 145                 if (hwaddr_aton(pos, addr)) {
 146                         os_free(filter);
 147                         return -1;
 148                 }
 149                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
 150                 if (n == NULL) {
 151                         os_free(filter);
 152                         return -1;
 153                 }
 154                 filter = n;
 155                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
 156                 count++;
 157
 158                 pos = os_strchr(pos, ' ');
 159                 if (pos)
 160                         pos++;
 161         }
 162
 163         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
 164         os_free(wpa_s->bssid_filter);
 165         wpa_s->bssid_filter = filter;
 166         wpa_s->bssid_filter_count = count;
 167
 168         return 0;
 169 }
 170
 171
 172 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
 173 {
 174         char *pos;
 175         u8 addr[ETH_ALEN], *bssid = NULL, *n;
 176         struct wpa_ssid_value *ssid = NULL, *ns;
 177         size_t count = 0, ssid_count = 0;
 178         struct wpa_ssid *c;
 179
 180         /*
 181          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | “”
 182          * SSID_SPEC ::= ssid <SSID_HEX>
 183          * BSSID_SPEC ::= bssid <BSSID_HEX>
 184          */
 185
 186         pos = val;
 187         while (pos) {
 188                 if (*pos == '\0')
 189                         break;
 190                 if (os_strncmp(pos, "bssid ", 6) == 0) {
 191                         int res;
 192                         pos += 6;
 193                         res = hwaddr_aton2(pos, addr);
 194                         if (res < 0) {
 195                                 os_free(ssid);
 196                                 os_free(bssid);
 197                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 198                                            "BSSID value '%s'", pos);
 199                                 return -1;
 200                         }
 201                         pos += res;
 202                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
 203                         if (n == NULL) {
 204                                 os_free(ssid);
 205                                 os_free(bssid);
 206                                 return -1;
 207                         }
 208                         bssid = n;
 209                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
 210                         count++;
 211                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
 212                         char *end;
 213                         pos += 5;
 214
 215                         end = pos;
 216                         while (*end) {
 217                                 if (*end == '\0' || *end == ' ')
 218                                         break;
 219                                 end++;
 220                         }
 221
 222                         ns = os_realloc_array(ssid, ssid_count + 1,
 223                                               sizeof(struct wpa_ssid_value));
 224                         if (ns == NULL) {
 225                                 os_free(ssid);
 226                                 os_free(bssid);
 227                                 return -1;
 228                         }
 229                         ssid = ns;
 230
 231                         if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
 232                             hexstr2bin(pos, ssid[ssid_count].ssid,
 233                                        (end - pos) / 2) < 0) {
 234                                 os_free(ssid);
 235                                 os_free(bssid);
 236                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 237                                            "SSID value '%s'", pos);
 238                                 return -1;
 239                         }
 240                         ssid[ssid_count].ssid_len = (end - pos) / 2;
 241                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
 242                                           ssid[ssid_count].ssid,
 243                                           ssid[ssid_count].ssid_len);
 244                         ssid_count++;
 245                         pos = end;
 246                 } else {
 247                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
 248                                    "'%s'", pos);
 249                         os_free(ssid);
 250                         os_free(bssid);
 251                         return -1;
 252                 }
 253
 254                 pos = os_strchr(pos, ' ');
 255                 if (pos)
 256                         pos++;
 257         }
 258
 259         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
 260         os_free(wpa_s->disallow_aps_bssid);
 261         wpa_s->disallow_aps_bssid = bssid;
 262         wpa_s->disallow_aps_bssid_count = count;
 263
 264         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
 265         os_free(wpa_s->disallow_aps_ssid);
 266         wpa_s->disallow_aps_ssid = ssid;
 267         wpa_s->disallow_aps_ssid_count = ssid_count;
 268
 269         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
 270                 return 0;
 271
 272         c = wpa_s->current_ssid;
 273         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
 274                 return 0;
 275
 276         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
 277             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
 278                 return 0;
 279
 280         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
 281                    "because current AP was marked disallowed");
 282
 283 #ifdef CONFIG_SME
 284         wpa_s->sme.prev_bssid_set = 0;
 285 #endif /* CONFIG_SME */
 286         wpa_s->reassociate = 1;
 287         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
 288         wpa_supplicant_req_scan(wpa_s, 0, 0);
 289
 290         return 0;
 291 }
 292
 293
 294 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
 295                                          char *cmd)
 296 {
 297         char *value;
 298         int ret = 0;
 299
 300         value = os_strchr(cmd, ' ');
 301         if (value == NULL)
 302                 return -1;
 303         *value++ = '\0';
 304
 305         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
 306         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
 307                 eapol_sm_configure(wpa_s->eapol,
 308                                    atoi(value), -1, -1, -1);
 309         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
 310                 eapol_sm_configure(wpa_s->eapol,
 311                                    -1, atoi(value), -1, -1);
 312         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
 313                 eapol_sm_configure(wpa_s->eapol,
 314                                    -1, -1, atoi(value), -1);
 315         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
 316                 eapol_sm_configure(wpa_s->eapol,
 317                                    -1, -1, -1, atoi(value));
 318         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
 319                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
 320                                      atoi(value)))
 321                         ret = -1;
 322         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
 323                    0) {
 324                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
 325                                      atoi(value)))
 326                         ret = -1;
 327         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
 328                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
 329                         ret = -1;
 330         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
 331                 wpa_s->wps_fragment_size = atoi(value);
 332 #ifdef CONFIG_WPS_TESTING
 333         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
 334                 long int val;
 335                 val = strtol(value, NULL, 0);
 336                 if (val < 0 || val > 0xff) {
 337                         ret = -1;
 338                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
 339                                    "wps_version_number %ld", val);
 340                 } else {
 341                         wps_version_number = val;
 342                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
 343                                    "version %u.%u",
 344                                    (wps_version_number & 0xf0) >> 4,
 345                                    wps_version_number & 0x0f);
 346                 }
 347         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
 348                 wps_testing_dummy_cred = atoi(value);
 349                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
 350                            wps_testing_dummy_cred);
 351 #endif /* CONFIG_WPS_TESTING */
 352         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
 353                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
 354                         ret = -1;
 355 #ifdef CONFIG_TDLS_TESTING
 356         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
 357                 extern unsigned int tdls_testing;
 358                 tdls_testing = strtol(value, NULL, 0);
 359                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
 360 #endif /* CONFIG_TDLS_TESTING */
 361 #ifdef CONFIG_TDLS
 362         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
 363                 int disabled = atoi(value);
 364                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
 365                 if (disabled) {
 366                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
 367                                 ret = -1;
 368                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
 369                         ret = -1;
 370                 wpa_tdls_enable(wpa_s->wpa, !disabled);
 371 #endif /* CONFIG_TDLS */
 372         } else if (os_strcasecmp(cmd, "pno") == 0) {
 373                 if (atoi(value))
 374                         ret = pno_start(wpa_s);
 375                 else
 376                         ret = pno_stop(wpa_s);
 377         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
 378                 int disabled = atoi(value);
 379                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
 380                         ret = -1;
 381                 else if (disabled)
 382                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
 383         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
 384                 if (os_strcmp(value, "disable") == 0)
 385                         wpa_s->set_sta_uapsd = 0;
 386                 else {
 387                         int be, bk, vi, vo;
 388                         char *pos;
 389                         /* format: BE,BK,VI,VO;max SP Length */
 390                         be = atoi(value);
 391                         pos = os_strchr(value, ',');
 392                         if (pos == NULL)
 393                                 return -1;
 394                         pos++;
 395                         bk = atoi(pos);
 396                         pos = os_strchr(pos, ',');
 397                         if (pos == NULL)
 398                                 return -1;
 399                         pos++;
 400                         vi = atoi(pos);
 401                         pos = os_strchr(pos, ',');
 402                         if (pos == NULL)
 403                                 return -1;
 404                         pos++;
 405                         vo = atoi(pos);
 406                         /* ignore max SP Length for now */
 407
 408                         wpa_s->set_sta_uapsd = 1;
 409                         wpa_s->sta_uapsd = 0;
 410                         if (be)
 411                                 wpa_s->sta_uapsd |= BIT(0);
 412                         if (bk)
 413                                 wpa_s->sta_uapsd |= BIT(1);
 414                         if (vi)
 415                                 wpa_s->sta_uapsd |= BIT(2);
 416                         if (vo)
 417                                 wpa_s->sta_uapsd |= BIT(3);
 418                 }
 419         } else if (os_strcasecmp(cmd, "ps") == 0) {
 420                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
 421 #ifdef CONFIG_WIFI_DISPLAY
 422         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 423                 wifi_display_enable(wpa_s->global, !!atoi(value));
 424 #endif /* CONFIG_WIFI_DISPLAY */
 425         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
 426                 ret = set_bssid_filter(wpa_s, value);
 427         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
 428                 ret = set_disallow_aps(wpa_s, value);
 429         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
 430                 wpa_s->no_keep_alive = !!atoi(value);
 431         } else {
 432                 value[-1] = '=';
 433                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
 434                 if (ret == 0)
 435                         wpa_supplicant_update_config(wpa_s);
 436         }
 437
 438         return ret;
 439 }
 440
 441
 442 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
 443                                          char *cmd, char *buf, size_t buflen)
 444 {
 445         int res = -1;
 446
 447         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
 448
 449         if (os_strcmp(cmd, "version") == 0) {
 450                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
 451         } else if (os_strcasecmp(cmd, "country") == 0) {
 452                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
 453                         res = os_snprintf(buf, buflen, "%c%c",
 454                                           wpa_s->conf->country[0],
 455                                           wpa_s->conf->country[1]);
 456 #ifdef CONFIG_WIFI_DISPLAY
 457         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 458                 res = os_snprintf(buf, buflen, "%d",
 459                                   wpa_s->global->wifi_display);
 460                 if (res < 0 || (unsigned int) res >= buflen)
 461                         return -1;
 462                 return res;
 463 #endif /* CONFIG_WIFI_DISPLAY */
 464         }
 465
 466         if (res < 0 || (unsigned int) res >= buflen)
 467                 return -1;
 468         return res;
 469 }
 470
 471
 472 #ifdef IEEE8021X_EAPOL
 473 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
 474                                              char *addr)
 475 {
 476         u8 bssid[ETH_ALEN];
 477         struct wpa_ssid *ssid = wpa_s->current_ssid;
 478
 479         if (hwaddr_aton(addr, bssid)) {
 480                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
 481                            "'%s'", addr);
 482                 return -1;
 483         }
 484
 485         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
 486         rsn_preauth_deinit(wpa_s->wpa);
 487         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
 488                 return -1;
 489
 490         return 0;
 491 }
 492 #endif /* IEEE8021X_EAPOL */
 493
 494
 495 #ifdef CONFIG_PEERKEY
 496 /* MLME-STKSTART.request(peer) */
 497 static int wpa_supplicant_ctrl_iface_stkstart(
 498         struct wpa_supplicant *wpa_s, char *addr)
 499 {
 500         u8 peer[ETH_ALEN];
 501
 502         if (hwaddr_aton(addr, peer)) {
 503                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
 504                            "address '%s'", addr);
 505                 return -1;
 506         }
 507
 508         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
 509                    MAC2STR(peer));
 510
 511         return wpa_sm_stkstart(wpa_s->wpa, peer);
 512 }
 513 #endif /* CONFIG_PEERKEY */
 514
 515
 516 #ifdef CONFIG_TDLS
 517
 518 static int wpa_supplicant_ctrl_iface_tdls_discover(
 519         struct wpa_supplicant *wpa_s, char *addr)
 520 {
 521         u8 peer[ETH_ALEN];
 522         int ret;
 523
 524         if (hwaddr_aton(addr, peer)) {
 525                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
 526                            "address '%s'", addr);
 527                 return -1;
 528         }
 529
 530         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
 531                    MAC2STR(peer));
 532
 533         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 534                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
 535         else
 536                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
 537
 538         return ret;
 539 }
 540
 541
 542 static int wpa_supplicant_ctrl_iface_tdls_setup(
 543         struct wpa_supplicant *wpa_s, char *addr)
 544 {
 545         u8 peer[ETH_ALEN];
 546         int ret;
 547
 548         if (hwaddr_aton(addr, peer)) {
 549                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
 550                            "address '%s'", addr);
 551                 return -1;
 552         }
 553
 554         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
 555                    MAC2STR(peer));
 556
 557         wpa_tdls_remove(wpa_s->wpa, peer);
 558
 559         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 560                 ret = wpa_tdls_start(wpa_s->wpa, peer);
 561         else
 562                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 563
 564         return ret;
 565 }
 566
 567
 568 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 569         struct wpa_supplicant *wpa_s, char *addr)
 570 {
 571         u8 peer[ETH_ALEN];
 572
 573         if (hwaddr_aton(addr, peer)) {
 574                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 575                            "address '%s'", addr);
 576                 return -1;
 577         }
 578
 579         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 580                    MAC2STR(peer));
 581
 582         return wpa_tdls_teardown_link(wpa_s->wpa, peer,
 583                                       WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 584 }
 585
 586 #endif /* CONFIG_TDLS */
 587
 588
 589 #ifdef CONFIG_IEEE80211R
 590 static int wpa_supplicant_ctrl_iface_ft_ds(
 591         struct wpa_supplicant *wpa_s, char *addr)
 592 {
 593         u8 target_ap[ETH_ALEN];
 594         struct wpa_bss *bss;
 595         const u8 *mdie;
 596
 597         if (hwaddr_aton(addr, target_ap)) {
 598                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 599                            "address '%s'", addr);
 600                 return -1;
 601         }
 602
 603         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 604
 605         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 606         if (bss)
 607                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 608         else
 609                 mdie = NULL;
 610
 611         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 612 }
 613 #endif /* CONFIG_IEEE80211R */
 614
 615
 616 #ifdef CONFIG_WPS
 617 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 618                                              char *cmd)
 619 {
 620         u8 bssid[ETH_ALEN], *_bssid = bssid;
 621 #ifdef CONFIG_P2P
 622         u8 p2p_dev_addr[ETH_ALEN];
 623 #endif /* CONFIG_P2P */
 624 #ifdef CONFIG_AP
 625         u8 *_p2p_dev_addr = NULL;
 626 #endif /* CONFIG_AP */
 627
 628         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 629                 _bssid = NULL;
 630 #ifdef CONFIG_P2P
 631         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 632                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 633                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 634                                    "P2P Device Address '%s'",
 635                                    cmd + 13);
 636                         return -1;
 637                 }
 638                 _p2p_dev_addr = p2p_dev_addr;
 639 #endif /* CONFIG_P2P */
 640         } else if (hwaddr_aton(cmd, bssid)) {
 641                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 642                            cmd);
 643                 return -1;
 644         }
 645
 646 #ifdef CONFIG_AP
 647         if (wpa_s->ap_iface)
 648                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 649 #endif /* CONFIG_AP */
 650
 651         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 652 }
 653
 654
 655 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 656                                              char *cmd, char *buf,
 657                                              size_t buflen)
 658 {
 659         u8 bssid[ETH_ALEN], *_bssid = bssid;
 660         char *pin;
 661         int ret;
 662
 663         pin = os_strchr(cmd, ' ');
 664         if (pin)
 665                 *pin++ = '\0';
 666
 667         if (os_strcmp(cmd, "any") == 0)
 668                 _bssid = NULL;
 669         else if (os_strcmp(cmd, "get") == 0) {
 670                 ret = wps_generate_pin();
 671                 goto done;
 672         } else if (hwaddr_aton(cmd, bssid)) {
 673                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 674                            cmd);
 675                 return -1;
 676         }
 677
 678 #ifdef CONFIG_AP
 679         if (wpa_s->ap_iface) {
 680                 int timeout = 0;
 681                 char *pos;
 682
 683                 if (pin) {
 684                         pos = os_strchr(pin, ' ');
 685                         if (pos) {
 686                                 *pos++ = '\0';
 687                                 timeout = atoi(pos);
 688                         }
 689                 }
 690
 691                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 692                                                  buf, buflen, timeout);
 693         }
 694 #endif /* CONFIG_AP */
 695
 696         if (pin) {
 697                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 698                                          DEV_PW_DEFAULT);
 699                 if (ret < 0)
 700                         return -1;
 701                 ret = os_snprintf(buf, buflen, "%s", pin);
 702                 if (ret < 0 || (size_t) ret >= buflen)
 703                         return -1;
 704                 return ret;
 705         }
 706
 707         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 708         if (ret < 0)
 709                 return -1;
 710
 711 done:
 712         /* Return the generated PIN */
 713         ret = os_snprintf(buf, buflen, "%08d", ret);
 714         if (ret < 0 || (size_t) ret >= buflen)
 715                 return -1;
 716         return ret;
 717 }
 718
 719
 720 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 721         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 722 {
 723         char pin[9];
 724         size_t len;
 725         char *pos;
 726         int ret;
 727
 728         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
 729                               (u8 *) cmd, os_strlen(cmd));
 730         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
 731                 if (*pos < '0' || *pos > '9')
 732                         continue;
 733                 pin[len++] = *pos;
 734                 if (len == 9) {
 735                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
 736                         return -1;
 737                 }
 738         }
 739         if (len != 4 && len != 8) {
 740                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
 741                 return -1;
 742         }
 743         pin[len] = '\0';
 744
 745         if (len == 8) {
 746                 unsigned int pin_val;
 747                 pin_val = atoi(pin);
 748                 if (!wps_pin_valid(pin_val)) {
 749                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
 750                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
 751                         if (ret < 0 || (size_t) ret >= buflen)
 752                                 return -1;
 753                         return ret;
 754                 }
 755         }
 756
 757         ret = os_snprintf(buf, buflen, "%s", pin);
 758         if (ret < 0 || (size_t) ret >= buflen)
 759                 return -1;
 760
 761         return ret;
 762 }
 763
 764
 765 #ifdef CONFIG_WPS_NFC
 766
 767 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
 768                                              char *cmd)
 769 {
 770         u8 bssid[ETH_ALEN], *_bssid = bssid;
 771
 772         if (cmd == NULL || cmd[0] == '\0')
 773                 _bssid = NULL;
 774         else if (hwaddr_aton(cmd, bssid))
 775                 return -1;
 776
 777         return wpas_wps_start_nfc(wpa_s, _bssid);
 778 }
 779
 780
 781 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
 782         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 783 {
 784         int ndef;
 785         struct wpabuf *buf;
 786         int res;
 787
 788         if (os_strcmp(cmd, "WPS") == 0)
 789                 ndef = 0;
 790         else if (os_strcmp(cmd, "NDEF") == 0)
 791                 ndef = 1;
 792         else
 793                 return -1;
 794
 795         buf = wpas_wps_nfc_token(wpa_s, ndef);
 796         if (buf == NULL)
 797                 return -1;
 798
 799         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 800                                          wpabuf_len(buf));
 801         reply[res++] = '\n';
 802         reply[res] = '\0';
 803
 804         wpabuf_free(buf);
 805
 806         return res;
 807 }
 808
 809
 810 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
 811         struct wpa_supplicant *wpa_s, char *pos)
 812 {
 813         size_t len;
 814         struct wpabuf *buf;
 815         int ret;
 816
 817         len = os_strlen(pos);
 818         if (len & 0x01)
 819                 return -1;
 820         len /= 2;
 821
 822         buf = wpabuf_alloc(len);
 823         if (buf == NULL)
 824                 return -1;
 825         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
 826                 wpabuf_free(buf);
 827                 return -1;
 828         }
 829
 830         ret = wpas_wps_nfc_tag_read(wpa_s, buf);
 831         wpabuf_free(buf);
 832
 833         return ret;
 834 }
 835
 836
 837 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
 838                                               char *reply, size_t max_len)
 839 {
 840         struct wpabuf *buf;
 841         int res;
 842
 843         buf = wpas_wps_nfc_handover_req(wpa_s);
 844         if (buf == NULL)
 845                 return -1;
 846
 847         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 848                                          wpabuf_len(buf));
 849         reply[res++] = '\n';
 850         reply[res] = '\0';
 851
 852         wpabuf_free(buf);
 853
 854         return res;
 855 }
 856
 857
 858 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
 859                                           char *cmd, char *reply,
 860                                           size_t max_len)
 861 {
 862         char *pos;
 863
 864         pos = os_strchr(cmd, ' ');
 865         if (pos == NULL)
 866                 return -1;
 867         *pos++ = '\0';
 868
 869         if (os_strcmp(cmd, "NDEF") != 0)
 870                 return -1;
 871
 872         if (os_strcmp(pos, "WPS") == 0) {
 873                 return wpas_ctrl_nfc_get_handover_req_wps(wpa_s, reply,
 874                                                           max_len);
 875         }
 876
 877         return -1;
 878 }
 879
 880
 881 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
 882                                               char *reply, size_t max_len)
 883 {
 884         struct wpabuf *buf;
 885         int res;
 886
 887         buf = wpas_wps_nfc_handover_sel(wpa_s);
 888         if (buf == NULL)
 889                 return -1;
 890
 891         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 892                                          wpabuf_len(buf));
 893         reply[res++] = '\n';
 894         reply[res] = '\0';
 895
 896         wpabuf_free(buf);
 897
 898         return res;
 899 }
 900
 901
 902 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
 903                                           char *cmd, char *reply,
 904                                           size_t max_len)
 905 {
 906         char *pos;
 907
 908         pos = os_strchr(cmd, ' ');
 909         if (pos == NULL)
 910                 return -1;
 911         *pos++ = '\0';
 912
 913         if (os_strcmp(cmd, "NDEF") != 0)
 914                 return -1;
 915
 916         if (os_strcmp(pos, "WPS") == 0) {
 917                 return wpas_ctrl_nfc_get_handover_sel_wps(wpa_s, reply,
 918                                                           max_len);
 919         }
 920
 921         return -1;
 922 }
 923
 924
 925 static int wpas_ctrl_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
 926                                          char *cmd, char *reply,
 927                                          size_t max_len)
 928 {
 929         size_t len;
 930         struct wpabuf *buf;
 931         int ret;
 932
 933         len = os_strlen(cmd);
 934         if (len & 0x01)
 935                 return -1;
 936         len /= 2;
 937
 938         buf = wpabuf_alloc(len);
 939         if (buf == NULL)
 940                 return -1;
 941         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
 942                 wpabuf_free(buf);
 943                 return -1;
 944         }
 945
 946         ret = wpas_wps_nfc_rx_handover_req(wpa_s, buf);
 947         wpabuf_free(buf);
 948
 949         return ret;
 950 }
 951
 952
 953 static int wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
 954                                          char *cmd)
 955 {
 956         size_t len;
 957         struct wpabuf *buf;
 958         int ret;
 959
 960         len = os_strlen(cmd);
 961         if (len & 0x01)
 962                 return -1;
 963         len /= 2;
 964
 965         buf = wpabuf_alloc(len);
 966         if (buf == NULL)
 967                 return -1;
 968         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
 969                 wpabuf_free(buf);
 970                 return -1;
 971         }
 972
 973         ret = wpas_wps_nfc_rx_handover_sel(wpa_s, buf);
 974         wpabuf_free(buf);
 975
 976         return ret;
 977 }
 978
 979 #endif /* CONFIG_WPS_NFC */
 980
 981
 982 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
 983                                              char *cmd)
 984 {
 985         u8 bssid[ETH_ALEN];
 986         char *pin;
 987         char *new_ssid;
 988         char *new_auth;
 989         char *new_encr;
 990         char *new_key;
 991         struct wps_new_ap_settings ap;
 992
 993         pin = os_strchr(cmd, ' ');
 994         if (pin == NULL)
 995                 return -1;
 996         *pin++ = '\0';
 997
 998         if (hwaddr_aton(cmd, bssid)) {
 999                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1000                            cmd);
1001                 return -1;
1002         }
1003
1004         new_ssid = os_strchr(pin, ' ');
1005         if (new_ssid == NULL)
1006                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1007         *new_ssid++ = '\0';
1008
1009         new_auth = os_strchr(new_ssid, ' ');
1010         if (new_auth == NULL)
1011                 return -1;
1012         *new_auth++ = '\0';
1013
1014         new_encr = os_strchr(new_auth, ' ');
1015         if (new_encr == NULL)
1016                 return -1;
1017         *new_encr++ = '\0';
1018
1019         new_key = os_strchr(new_encr, ' ');
1020         if (new_key == NULL)
1021                 return -1;
1022         *new_key++ = '\0';
1023
1024         os_memset(&ap, 0, sizeof(ap));
1025         ap.ssid_hex = new_ssid;
1026         ap.auth = new_auth;
1027         ap.encr = new_encr;
1028         ap.key_hex = new_key;
1029         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1030 }
1031
1032
1033 #ifdef CONFIG_AP
1034 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1035                                                 char *cmd, char *buf,
1036                                                 size_t buflen)
1037 {
1038         int timeout = 300;
1039         char *pos;
1040         const char *pin_txt;
1041
1042         if (!wpa_s->ap_iface)
1043                 return -1;
1044
1045         pos = os_strchr(cmd, ' ');
1046         if (pos)
1047                 *pos++ = '\0';
1048
1049         if (os_strcmp(cmd, "disable") == 0) {
1050                 wpas_wps_ap_pin_disable(wpa_s);
1051                 return os_snprintf(buf, buflen, "OK\n");
1052         }
1053
1054         if (os_strcmp(cmd, "random") == 0) {
1055                 if (pos)
1056                         timeout = atoi(pos);
1057                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1058                 if (pin_txt == NULL)
1059                         return -1;
1060                 return os_snprintf(buf, buflen, "%s", pin_txt);
1061         }
1062
1063         if (os_strcmp(cmd, "get") == 0) {
1064                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1065                 if (pin_txt == NULL)
1066                         return -1;
1067                 return os_snprintf(buf, buflen, "%s", pin_txt);
1068         }
1069
1070         if (os_strcmp(cmd, "set") == 0) {
1071                 char *pin;
1072                 if (pos == NULL)
1073                         return -1;
1074                 pin = pos;
1075                 pos = os_strchr(pos, ' ');
1076                 if (pos) {
1077                         *pos++ = '\0';
1078                         timeout = atoi(pos);
1079                 }
1080                 if (os_strlen(pin) > buflen)
1081                         return -1;
1082                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1083                         return -1;
1084                 return os_snprintf(buf, buflen, "%s", pin);
1085         }
1086
1087         return -1;
1088 }
1089 #endif /* CONFIG_AP */
1090
1091
1092 #ifdef CONFIG_WPS_ER
1093 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1094                                                 char *cmd)
1095 {
1096         char *uuid = cmd, *pin, *pos;
1097         u8 addr_buf[ETH_ALEN], *addr = NULL;
1098         pin = os_strchr(uuid, ' ');
1099         if (pin == NULL)
1100                 return -1;
1101         *pin++ = '\0';
1102         pos = os_strchr(pin, ' ');
1103         if (pos) {
1104                 *pos++ = '\0';
1105                 if (hwaddr_aton(pos, addr_buf) == 0)
1106                         addr = addr_buf;
1107         }
1108         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1109 }
1110
1111
1112 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1113                                                   char *cmd)
1114 {
1115         char *uuid = cmd, *pin;
1116         pin = os_strchr(uuid, ' ');
1117         if (pin == NULL)
1118                 return -1;
1119         *pin++ = '\0';
1120         return wpas_wps_er_learn(wpa_s, uuid, pin);
1121 }
1122
1123
1124 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1125         struct wpa_supplicant *wpa_s, char *cmd)
1126 {
1127         char *uuid = cmd, *id;
1128         id = os_strchr(uuid, ' ');
1129         if (id == NULL)
1130                 return -1;
1131         *id++ = '\0';
1132         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1133 }
1134
1135
1136 static int wpa_supplicant_ctrl_iface_wps_er_config(
1137         struct wpa_supplicant *wpa_s, char *cmd)
1138 {
1139         char *pin;
1140         char *new_ssid;
1141         char *new_auth;
1142         char *new_encr;
1143         char *new_key;
1144         struct wps_new_ap_settings ap;
1145
1146         pin = os_strchr(cmd, ' ');
1147         if (pin == NULL)
1148                 return -1;
1149         *pin++ = '\0';
1150
1151         new_ssid = os_strchr(pin, ' ');
1152         if (new_ssid == NULL)
1153                 return -1;
1154         *new_ssid++ = '\0';
1155
1156         new_auth = os_strchr(new_ssid, ' ');
1157         if (new_auth == NULL)
1158                 return -1;
1159         *new_auth++ = '\0';
1160
1161         new_encr = os_strchr(new_auth, ' ');
1162         if (new_encr == NULL)
1163                 return -1;
1164         *new_encr++ = '\0';
1165
1166         new_key = os_strchr(new_encr, ' ');
1167         if (new_key == NULL)
1168                 return -1;
1169         *new_key++ = '\0';
1170
1171         os_memset(&ap, 0, sizeof(ap));
1172         ap.ssid_hex = new_ssid;
1173         ap.auth = new_auth;
1174         ap.encr = new_encr;
1175         ap.key_hex = new_key;
1176         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1177 }
1178
1179
1180 #ifdef CONFIG_WPS_NFC
1181 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1182         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1183 {
1184         int ndef;
1185         struct wpabuf *buf;
1186         int res;
1187         char *uuid;
1188
1189         uuid = os_strchr(cmd, ' ');
1190         if (uuid == NULL)
1191                 return -1;
1192         *uuid++ = '\0';
1193
1194         if (os_strcmp(cmd, "WPS") == 0)
1195                 ndef = 0;
1196         else if (os_strcmp(cmd, "NDEF") == 0)
1197                 ndef = 1;
1198         else
1199                 return -1;
1200
1201         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1202         if (buf == NULL)
1203                 return -1;
1204
1205         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1206                                          wpabuf_len(buf));
1207         reply[res++] = '\n';
1208         reply[res] = '\0';
1209
1210         wpabuf_free(buf);
1211
1212         return res;
1213 }
1214 #endif /* CONFIG_WPS_NFC */
1215 #endif /* CONFIG_WPS_ER */
1216
1217 #endif /* CONFIG_WPS */
1218
1219
1220 #ifdef CONFIG_IBSS_RSN
1221 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1222         struct wpa_supplicant *wpa_s, char *addr)
1223 {
1224         u8 peer[ETH_ALEN];
1225
1226         if (hwaddr_aton(addr, peer)) {
1227                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1228                            "address '%s'", addr);
1229                 return -1;
1230         }
1231
1232         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1233                    MAC2STR(peer));
1234
1235         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1236 }
1237 #endif /* CONFIG_IBSS_RSN */
1238
1239
1240 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1241                                               char *rsp)
1242 {
1243 #ifdef IEEE8021X_EAPOL
1244         char *pos, *id_pos;
1245         int id;
1246         struct wpa_ssid *ssid;
1247
1248         pos = os_strchr(rsp, '-');
1249         if (pos == NULL)
1250                 return -1;
1251         *pos++ = '\0';
1252         id_pos = pos;
1253         pos = os_strchr(pos, ':');
1254         if (pos == NULL)
1255                 return -1;
1256         *pos++ = '\0';
1257         id = atoi(id_pos);
1258         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1259         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1260                               (u8 *) pos, os_strlen(pos));
1261
1262         ssid = wpa_config_get_network(wpa_s->conf, id);
1263         if (ssid == NULL) {
1264                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1265                            "to update", id);
1266                 return -1;
1267         }
1268
1269         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1270                                                          pos);
1271 #else /* IEEE8021X_EAPOL */
1272         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1273         return -1;
1274 #endif /* IEEE8021X_EAPOL */
1275 }
1276
1277
1278 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1279                                             const char *params,
1280                                             char *buf, size_t buflen)
1281 {
1282         char *pos, *end, tmp[30];
1283         int res, verbose, wps, ret;
1284
1285         verbose = os_strcmp(params, "-VERBOSE") == 0;
1286         wps = os_strcmp(params, "-WPS") == 0;
1287         pos = buf;
1288         end = buf + buflen;
1289         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1290                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1291                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1292                                   MAC2STR(wpa_s->bssid));
1293                 if (ret < 0 || ret >= end - pos)
1294                         return pos - buf;
1295                 pos += ret;
1296                 if (ssid) {
1297                         u8 *_ssid = ssid->ssid;
1298                         size_t ssid_len = ssid->ssid_len;
1299                         u8 ssid_buf[MAX_SSID_LEN];
1300                         if (ssid_len == 0) {
1301                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1302                                 if (_res < 0)
1303                                         ssid_len = 0;
1304                                 else
1305                                         ssid_len = _res;
1306                                 _ssid = ssid_buf;
1307                         }
1308                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1309                                           wpa_ssid_txt(_ssid, ssid_len),
1310                                           ssid->id);
1311                         if (ret < 0 || ret >= end - pos)
1312                                 return pos - buf;
1313                         pos += ret;
1314
1315                         if (wps && ssid->passphrase &&
1316                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1317                             (ssid->mode == WPAS_MODE_AP ||
1318                              ssid->mode == WPAS_MODE_P2P_GO)) {
1319                                 ret = os_snprintf(pos, end - pos,
1320                                                   "passphrase=%s\n",
1321                                                   ssid->passphrase);
1322                                 if (ret < 0 || ret >= end - pos)
1323                                         return pos - buf;
1324                                 pos += ret;
1325                         }
1326                         if (ssid->id_str) {
1327                                 ret = os_snprintf(pos, end - pos,
1328                                                   "id_str=%s\n",
1329                                                   ssid->id_str);
1330                                 if (ret < 0 || ret >= end - pos)
1331                                         return pos - buf;
1332                                 pos += ret;
1333                         }
1334
1335                         switch (ssid->mode) {
1336                         case WPAS_MODE_INFRA:
1337                                 ret = os_snprintf(pos, end - pos,
1338                                                   "mode=station\n");
1339                                 break;
1340                         case WPAS_MODE_IBSS:
1341                                 ret = os_snprintf(pos, end - pos,
1342                                                   "mode=IBSS\n");
1343                                 break;
1344                         case WPAS_MODE_AP:
1345                                 ret = os_snprintf(pos, end - pos,
1346                                                   "mode=AP\n");
1347                                 break;
1348                         case WPAS_MODE_P2P_GO:
1349                                 ret = os_snprintf(pos, end - pos,
1350                                                   "mode=P2P GO\n");
1351                                 break;
1352                         case WPAS_MODE_P2P_GROUP_FORMATION:
1353                                 ret = os_snprintf(pos, end - pos,
1354                                                   "mode=P2P GO - group "
1355                                                   "formation\n");
1356                                 break;
1357                         default:
1358                                 ret = 0;
1359                                 break;
1360                         }
1361                         if (ret < 0 || ret >= end - pos)
1362                                 return pos - buf;
1363                         pos += ret;
1364                 }
1365
1366 #ifdef CONFIG_AP
1367                 if (wpa_s->ap_iface) {
1368                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1369                                                             end - pos,
1370                                                             verbose);
1371                 } else
1372 #endif /* CONFIG_AP */
1373                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1374         }
1375 #ifdef CONFIG_SAE
1376         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1377             wpa_s->sme.sae.state == SAE_ACCEPTED && !wpa_s->ap_iface) {
1378                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1379                                   wpa_s->sme.sae.group);
1380                 if (ret < 0 || ret >= end - pos)
1381                         return pos - buf;
1382                 pos += ret;
1383         }
1384 #endif /* CONFIG_SAE */
1385         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1386                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1387         if (ret < 0 || ret >= end - pos)
1388                 return pos - buf;
1389         pos += ret;
1390
1391         if (wpa_s->l2 &&
1392             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1393                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1394                 if (ret < 0 || ret >= end - pos)
1395                         return pos - buf;
1396                 pos += ret;
1397         }
1398
1399 #ifdef CONFIG_P2P
1400         if (wpa_s->global->p2p) {
1401                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1402                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1403                 if (ret < 0 || ret >= end - pos)
1404                         return pos - buf;
1405                 pos += ret;
1406         }
1407 #endif /* CONFIG_P2P */
1408
1409         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1410                           MAC2STR(wpa_s->own_addr));
1411         if (ret < 0 || ret >= end - pos)
1412                 return pos - buf;
1413         pos += ret;
1414
1415 #ifdef CONFIG_HS20
1416         if (wpa_s->current_bss &&
1417             wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE) &&
1418             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1419             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1420                 ret = os_snprintf(pos, end - pos, "hs20=1\n");
1421                 if (ret < 0 || ret >= end - pos)
1422                         return pos - buf;
1423                 pos += ret;
1424         }
1425
1426         if (wpa_s->current_ssid) {
1427                 struct wpa_cred *cred;
1428                 char *type;
1429
1430                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1431                         if (wpa_s->current_ssid->parent_cred != cred)
1432                                 continue;
1433                         if (!cred->domain)
1434                                 continue;
1435
1436                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1437                                           cred->domain);
1438                         if (ret < 0 || ret >= end - pos)
1439                                 return pos - buf;
1440                         pos += ret;
1441
1442                         if (wpa_s->current_bss == NULL ||
1443                             wpa_s->current_bss->anqp == NULL)
1444                                 res = -1;
1445                         else
1446                                 res = interworking_home_sp_cred(
1447                                         wpa_s, cred,
1448                                         wpa_s->current_bss->anqp->domain_name);
1449                         if (res > 0)
1450                                 type = "home";
1451                         else if (res == 0)
1452                                 type = "roaming";
1453                         else
1454                                 type = "unknown";
1455
1456                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1457                         if (ret < 0 || ret >= end - pos)
1458                                 return pos - buf;
1459                         pos += ret;
1460
1461                         break;
1462                 }
1463         }
1464 #endif /* CONFIG_HS20 */
1465
1466         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1467             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1468                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1469                                           verbose);
1470                 if (res >= 0)
1471                         pos += res;
1472         }
1473
1474         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1475         if (res >= 0)
1476                 pos += res;
1477
1478         return pos - buf;
1479 }
1480
1481
1482 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1483                                            char *cmd)
1484 {
1485         char *pos;
1486         int id;
1487         struct wpa_ssid *ssid;
1488         u8 bssid[ETH_ALEN];
1489
1490         /* cmd: "<network id> <BSSID>" */
1491         pos = os_strchr(cmd, ' ');
1492         if (pos == NULL)
1493                 return -1;
1494         *pos++ = '\0';
1495         id = atoi(cmd);
1496         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1497         if (hwaddr_aton(pos, bssid)) {
1498                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1499                 return -1;
1500         }
1501
1502         ssid = wpa_config_get_network(wpa_s->conf, id);
1503         if (ssid == NULL) {
1504                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1505                            "to update", id);
1506                 return -1;
1507         }
1508
1509         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1510         ssid->bssid_set = !is_zero_ether_addr(bssid);
1511
1512         return 0;
1513 }
1514
1515
1516 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1517                                                char *cmd, char *buf,
1518                                                size_t buflen)
1519 {
1520         u8 bssid[ETH_ALEN];
1521         struct wpa_blacklist *e;
1522         char *pos, *end;
1523         int ret;
1524
1525         /* cmd: "BLACKLIST [<BSSID>]" */
1526         if (*cmd == '\0') {
1527                 pos = buf;
1528                 end = buf + buflen;
1529                 e = wpa_s->blacklist;
1530                 while (e) {
1531                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1532                                           MAC2STR(e->bssid));
1533                         if (ret < 0 || ret >= end - pos)
1534                                 return pos - buf;
1535                         pos += ret;
1536                         e = e->next;
1537                 }
1538                 return pos - buf;
1539         }
1540
1541         cmd++;
1542         if (os_strncmp(cmd, "clear", 5) == 0) {
1543                 wpa_blacklist_clear(wpa_s);
1544                 os_memcpy(buf, "OK\n", 3);
1545                 return 3;
1546         }
1547
1548         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1549         if (hwaddr_aton(cmd, bssid)) {
1550                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1551                 return -1;
1552         }
1553
1554         /*
1555          * Add the BSSID twice, so its count will be 2, causing it to be
1556          * skipped when processing scan results.
1557          */
1558         ret = wpa_blacklist_add(wpa_s, bssid);
1559         if (ret != 0)
1560                 return -1;
1561         ret = wpa_blacklist_add(wpa_s, bssid);
1562         if (ret != 0)
1563                 return -1;
1564         os_memcpy(buf, "OK\n", 3);
1565         return 3;
1566 }
1567
1568
1569 extern int wpa_debug_level;
1570 extern int wpa_debug_timestamp;
1571
1572 static const char * debug_level_str(int level)
1573 {
1574         switch (level) {
1575         case MSG_EXCESSIVE:
1576                 return "EXCESSIVE";
1577         case MSG_MSGDUMP:
1578                 return "MSGDUMP";
1579         case MSG_DEBUG:
1580                 return "DEBUG";
1581         case MSG_INFO:
1582                 return "INFO";
1583         case MSG_WARNING:
1584                 return "WARNING";
1585         case MSG_ERROR:
1586                 return "ERROR";
1587         default:
1588                 return "?";
1589         }
1590 }
1591
1592
1593 static int str_to_debug_level(const char *s)
1594 {
1595         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1596                 return MSG_EXCESSIVE;
1597         if (os_strcasecmp(s, "MSGDUMP") == 0)
1598                 return MSG_MSGDUMP;
1599         if (os_strcasecmp(s, "DEBUG") == 0)
1600                 return MSG_DEBUG;
1601         if (os_strcasecmp(s, "INFO") == 0)
1602                 return MSG_INFO;
1603         if (os_strcasecmp(s, "WARNING") == 0)
1604                 return MSG_WARNING;
1605         if (os_strcasecmp(s, "ERROR") == 0)
1606                 return MSG_ERROR;
1607         return -1;
1608 }
1609
1610
1611 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1612                                                char *cmd, char *buf,
1613                                                size_t buflen)
1614 {
1615         char *pos, *end, *stamp;
1616         int ret;
1617
1618         if (cmd == NULL) {
1619                 return -1;
1620         }
1621
1622         /* cmd: "LOG_LEVEL [<level>]" */
1623         if (*cmd == '\0') {
1624                 pos = buf;
1625                 end = buf + buflen;
1626                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1627                                   "Timestamp: %d\n",
1628                                   debug_level_str(wpa_debug_level),
1629                                   wpa_debug_timestamp);
1630                 if (ret < 0 || ret >= end - pos)
1631                         ret = 0;
1632
1633                 return ret;
1634         }
1635
1636         while (*cmd == ' ')
1637                 cmd++;
1638
1639         stamp = os_strchr(cmd, ' ');
1640         if (stamp) {
1641                 *stamp++ = '\0';
1642                 while (*stamp == ' ') {
1643                         stamp++;
1644                 }
1645         }
1646
1647         if (cmd && os_strlen(cmd)) {
1648                 int level = str_to_debug_level(cmd);
1649                 if (level < 0)
1650                         return -1;
1651                 wpa_debug_level = level;
1652         }
1653
1654         if (stamp && os_strlen(stamp))
1655                 wpa_debug_timestamp = atoi(stamp);
1656
1657         os_memcpy(buf, "OK\n", 3);
1658         return 3;
1659 }
1660
1661
1662 static int wpa_supplicant_ctrl_iface_list_networks(
1663         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1664 {
1665         char *pos, *end;
1666         struct wpa_ssid *ssid;
1667         int ret;
1668
1669         pos = buf;
1670         end = buf + buflen;
1671         ret = os_snprintf(pos, end - pos,
1672                           "network id / ssid / bssid / flags\n");
1673         if (ret < 0 || ret >= end - pos)
1674                 return pos - buf;
1675         pos += ret;
1676
1677         ssid = wpa_s->conf->ssid;
1678         while (ssid) {
1679                 ret = os_snprintf(pos, end - pos, "%d\t%s",
1680                                   ssid->id,
1681                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1682                 if (ret < 0 || ret >= end - pos)
1683                         return pos - buf;
1684                 pos += ret;
1685                 if (ssid->bssid_set) {
1686                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1687                                           MAC2STR(ssid->bssid));
1688                 } else {
1689                         ret = os_snprintf(pos, end - pos, "\tany");
1690                 }
1691                 if (ret < 0 || ret >= end - pos)
1692                         return pos - buf;
1693                 pos += ret;
1694                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
1695                                   ssid == wpa_s->current_ssid ?
1696                                   "[CURRENT]" : "",
1697                                   ssid->disabled ? "[DISABLED]" : "",
1698                                   ssid->disabled_until.sec ?
1699                                   "[TEMP-DISABLED]" : "",
1700                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1701                                   "");
1702                 if (ret < 0 || ret >= end - pos)
1703                         return pos - buf;
1704                 pos += ret;
1705                 ret = os_snprintf(pos, end - pos, "\n");
1706                 if (ret < 0 || ret >= end - pos)
1707                         return pos - buf;
1708                 pos += ret;
1709
1710                 ssid = ssid->next;
1711         }
1712
1713         return pos - buf;
1714 }
1715
1716
1717 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1718 {
1719         int ret;
1720         ret = os_snprintf(pos, end - pos, "-");
1721         if (ret < 0 || ret >= end - pos)
1722                 return pos;
1723         pos += ret;
1724         ret = wpa_write_ciphers(pos, end, cipher, "+");
1725         if (ret < 0)
1726                 return pos;
1727         pos += ret;
1728         return pos;
1729 }
1730
1731
1732 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1733                                     const u8 *ie, size_t ie_len)
1734 {
1735         struct wpa_ie_data data;
1736         int first, ret;
1737
1738         ret = os_snprintf(pos, end - pos, "[%s-", proto);
1739         if (ret < 0 || ret >= end - pos)
1740                 return pos;
1741         pos += ret;
1742
1743         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1744                 ret = os_snprintf(pos, end - pos, "?]");
1745                 if (ret < 0 || ret >= end - pos)
1746                         return pos;
1747                 pos += ret;
1748                 return pos;
1749         }
1750
1751         first = 1;
1752         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1753                 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1754                 if (ret < 0 || ret >= end - pos)
1755                         return pos;
1756                 pos += ret;
1757                 first = 0;
1758         }
1759         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1760                 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1761                 if (ret < 0 || ret >= end - pos)
1762                         return pos;
1763                 pos += ret;
1764                 first = 0;
1765         }
1766         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1767                 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1768                 if (ret < 0 || ret >= end - pos)
1769                         return pos;
1770                 pos += ret;
1771                 first = 0;
1772         }
1773 #ifdef CONFIG_IEEE80211R
1774         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1775                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1776                                   first ? "" : "+");
1777                 if (ret < 0 || ret >= end - pos)
1778                         return pos;
1779                 pos += ret;
1780                 first = 0;
1781         }
1782         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1783                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1784                                   first ? "" : "+");
1785                 if (ret < 0 || ret >= end - pos)
1786                         return pos;
1787                 pos += ret;
1788                 first = 0;
1789         }
1790 #endif /* CONFIG_IEEE80211R */
1791 #ifdef CONFIG_IEEE80211W
1792         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1793                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1794                                   first ? "" : "+");
1795                 if (ret < 0 || ret >= end - pos)
1796                         return pos;
1797                 pos += ret;
1798                 first = 0;
1799         }
1800         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1801                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1802                                   first ? "" : "+");
1803                 if (ret < 0 || ret >= end - pos)
1804                         return pos;
1805                 pos += ret;
1806                 first = 0;
1807         }
1808 #endif /* CONFIG_IEEE80211W */
1809
1810         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1811
1812         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1813                 ret = os_snprintf(pos, end - pos, "-preauth");
1814                 if (ret < 0 || ret >= end - pos)
1815                         return pos;
1816                 pos += ret;
1817         }
1818
1819         ret = os_snprintf(pos, end - pos, "]");
1820         if (ret < 0 || ret >= end - pos)
1821                 return pos;
1822         pos += ret;
1823
1824         return pos;
1825 }
1826
1827
1828 #ifdef CONFIG_WPS
1829 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
1830                                             char *pos, char *end,
1831                                             struct wpabuf *wps_ie)
1832 {
1833         int ret;
1834         const char *txt;
1835
1836         if (wps_ie == NULL)
1837                 return pos;
1838         if (wps_is_selected_pbc_registrar(wps_ie))
1839                 txt = "[WPS-PBC]";
1840 #ifdef CONFIG_WPS2
1841         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
1842                 txt = "[WPS-AUTH]";
1843 #endif /* CONFIG_WPS2 */
1844         else if (wps_is_selected_pin_registrar(wps_ie))
1845                 txt = "[WPS-PIN]";
1846         else
1847                 txt = "[WPS]";
1848
1849         ret = os_snprintf(pos, end - pos, "%s", txt);
1850         if (ret >= 0 && ret < end - pos)
1851                 pos += ret;
1852         wpabuf_free(wps_ie);
1853         return pos;
1854 }
1855 #endif /* CONFIG_WPS */
1856
1857
1858 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
1859                                         char *pos, char *end,
1860                                         const struct wpa_bss *bss)
1861 {
1862 #ifdef CONFIG_WPS
1863         struct wpabuf *wps_ie;
1864         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1865         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
1866 #else /* CONFIG_WPS */
1867         return pos;
1868 #endif /* CONFIG_WPS */
1869 }
1870
1871
1872 /* Format one result on one text line into a buffer. */
1873 static int wpa_supplicant_ctrl_iface_scan_result(
1874         struct wpa_supplicant *wpa_s,
1875         const struct wpa_bss *bss, char *buf, size_t buflen)
1876 {
1877         char *pos, *end;
1878         int ret;
1879         const u8 *ie, *ie2, *p2p;
1880
1881         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
1882         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
1883             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
1884             0)
1885                 return 0; /* Do not show P2P listen discovery results here */
1886
1887         pos = buf;
1888         end = buf + buflen;
1889
1890         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
1891                           MAC2STR(bss->bssid), bss->freq, bss->level);
1892         if (ret < 0 || ret >= end - pos)
1893                 return -1;
1894         pos += ret;
1895         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
1896         if (ie)
1897                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
1898         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
1899         if (ie2)
1900                 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
1901         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
1902         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
1903                 ret = os_snprintf(pos, end - pos, "[WEP]");
1904                 if (ret < 0 || ret >= end - pos)
1905                         return -1;
1906                 pos += ret;
1907         }
1908         if (bss->caps & IEEE80211_CAP_IBSS) {
1909                 ret = os_snprintf(pos, end - pos, "[IBSS]");
1910                 if (ret < 0 || ret >= end - pos)
1911                         return -1;
1912                 pos += ret;
1913         }
1914         if (bss->caps & IEEE80211_CAP_ESS) {
1915                 ret = os_snprintf(pos, end - pos, "[ESS]");
1916                 if (ret < 0 || ret >= end - pos)
1917                         return -1;
1918                 pos += ret;
1919         }
1920         if (p2p) {
1921                 ret = os_snprintf(pos, end - pos, "[P2P]");
1922                 if (ret < 0 || ret >= end - pos)
1923                         return -1;
1924                 pos += ret;
1925         }
1926 #ifdef CONFIG_HS20
1927         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
1928                 ret = os_snprintf(pos, end - pos, "[HS20]");
1929                 if (ret < 0 || ret >= end - pos)
1930                         return -1;
1931                 pos += ret;
1932         }
1933 #endif /* CONFIG_HS20 */
1934
1935         ret = os_snprintf(pos, end - pos, "\t%s",
1936                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
1937         if (ret < 0 || ret >= end - pos)
1938                 return -1;
1939         pos += ret;
1940
1941         ret = os_snprintf(pos, end - pos, "\n");
1942         if (ret < 0 || ret >= end - pos)
1943                 return -1;
1944         pos += ret;
1945
1946         return pos - buf;
1947 }
1948
1949
1950 static int wpa_supplicant_ctrl_iface_scan_results(
1951         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1952 {
1953         char *pos, *end;
1954         struct wpa_bss *bss;
1955         int ret;
1956
1957         pos = buf;
1958         end = buf + buflen;
1959         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
1960                           "flags / ssid\n");
1961         if (ret < 0 || ret >= end - pos)
1962                 return pos - buf;
1963         pos += ret;
1964
1965         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
1966                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
1967                                                             end - pos);
1968                 if (ret < 0 || ret >= end - pos)
1969                         return pos - buf;
1970                 pos += ret;
1971         }
1972
1973         return pos - buf;
1974 }
1975
1976
1977 static int wpa_supplicant_ctrl_iface_select_network(
1978         struct wpa_supplicant *wpa_s, char *cmd)
1979 {
1980         int id;
1981         struct wpa_ssid *ssid;
1982
1983         /* cmd: "<network id>" or "any" */
1984         if (os_strcmp(cmd, "any") == 0) {
1985                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
1986                 ssid = NULL;
1987         } else {
1988                 id = atoi(cmd);
1989                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
1990
1991                 ssid = wpa_config_get_network(wpa_s->conf, id);
1992                 if (ssid == NULL) {
1993                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
1994                                    "network id=%d", id);
1995                         return -1;
1996                 }
1997                 if (ssid->disabled == 2) {
1998                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
1999                                    "SELECT_NETWORK with persistent P2P group");
2000                         return -1;
2001                 }
2002         }
2003
2004         wpa_supplicant_select_network(wpa_s, ssid);
2005
2006         return 0;
2007 }
2008
2009
2010 static int wpa_supplicant_ctrl_iface_enable_network(
2011         struct wpa_supplicant *wpa_s, char *cmd)
2012 {
2013         int id;
2014         struct wpa_ssid *ssid;
2015
2016         /* cmd: "<network id>" or "all" */
2017         if (os_strcmp(cmd, "all") == 0) {
2018                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2019                 ssid = NULL;
2020         } else {
2021                 id = atoi(cmd);
2022                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2023
2024                 ssid = wpa_config_get_network(wpa_s->conf, id);
2025                 if (ssid == NULL) {
2026                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2027                                    "network id=%d", id);
2028                         return -1;
2029                 }
2030                 if (ssid->disabled == 2) {
2031                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2032                                    "ENABLE_NETWORK with persistent P2P group");
2033                         return -1;
2034                 }
2035
2036                 if (os_strstr(cmd, " no-connect")) {
2037                         ssid->disabled = 0;
2038                         return 0;
2039                 }
2040         }
2041         wpa_supplicant_enable_network(wpa_s, ssid);
2042
2043         return 0;
2044 }
2045
2046
2047 static int wpa_supplicant_ctrl_iface_disable_network(
2048         struct wpa_supplicant *wpa_s, char *cmd)
2049 {
2050         int id;
2051         struct wpa_ssid *ssid;
2052
2053         /* cmd: "<network id>" or "all" */
2054         if (os_strcmp(cmd, "all") == 0) {
2055                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2056                 ssid = NULL;
2057         } else {
2058                 id = atoi(cmd);
2059                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2060
2061                 ssid = wpa_config_get_network(wpa_s->conf, id);
2062                 if (ssid == NULL) {
2063                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2064                                    "network id=%d", id);
2065                         return -1;
2066                 }
2067                 if (ssid->disabled == 2) {
2068                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2069                                    "DISABLE_NETWORK with persistent P2P "
2070                                    "group");
2071                         return -1;
2072                 }
2073         }
2074         wpa_supplicant_disable_network(wpa_s, ssid);
2075
2076         return 0;
2077 }
2078
2079
2080 static int wpa_supplicant_ctrl_iface_add_network(
2081         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2082 {
2083         struct wpa_ssid *ssid;
2084         int ret;
2085
2086         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2087
2088         ssid = wpa_config_add_network(wpa_s->conf);
2089         if (ssid == NULL)
2090                 return -1;
2091
2092         wpas_notify_network_added(wpa_s, ssid);
2093
2094         ssid->disabled = 1;
2095         wpa_config_set_network_defaults(ssid);
2096
2097         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2098         if (ret < 0 || (size_t) ret >= buflen)
2099                 return -1;
2100         return ret;
2101 }
2102
2103
2104 static int wpa_supplicant_ctrl_iface_remove_network(
2105         struct wpa_supplicant *wpa_s, char *cmd)
2106 {
2107         int id;
2108         struct wpa_ssid *ssid;
2109
2110         /* cmd: "<network id>" or "all" */
2111         if (os_strcmp(cmd, "all") == 0) {
2112                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2113                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2114                 if (wpa_s->current_ssid) {
2115 #ifdef CONFIG_SME
2116                         wpa_s->sme.prev_bssid_set = 0;
2117 #endif /* CONFIG_SME */
2118                         wpa_sm_set_config(wpa_s->wpa, NULL);
2119                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2120                         wpa_supplicant_deauthenticate(
2121                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2122                 }
2123                 ssid = wpa_s->conf->ssid;
2124                 while (ssid) {
2125                         struct wpa_ssid *remove_ssid = ssid;
2126                         id = ssid->id;
2127                         ssid = ssid->next;
2128                         wpas_notify_network_removed(wpa_s, remove_ssid);
2129                         wpa_config_remove_network(wpa_s->conf, id);
2130                 }
2131                 return 0;
2132         }
2133
2134         id = atoi(cmd);
2135         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2136
2137         ssid = wpa_config_get_network(wpa_s->conf, id);
2138         if (ssid)
2139                 wpas_notify_network_removed(wpa_s, ssid);
2140         if (ssid == NULL) {
2141                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2142                            "id=%d", id);
2143                 return -1;
2144         }
2145
2146         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2147 #ifdef CONFIG_SME
2148                 wpa_s->sme.prev_bssid_set = 0;
2149 #endif /* CONFIG_SME */
2150                 /*
2151                  * Invalidate the EAP session cache if the current or
2152                  * previously used network is removed.
2153                  */
2154                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2155         }
2156
2157         if (ssid == wpa_s->current_ssid) {
2158                 wpa_sm_set_config(wpa_s->wpa, NULL);
2159                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2160
2161                 wpa_supplicant_deauthenticate(wpa_s,
2162                                               WLAN_REASON_DEAUTH_LEAVING);
2163         }
2164
2165         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2166                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2167                            "network id=%d", id);
2168                 return -1;
2169         }
2170
2171         return 0;
2172 }
2173
2174
2175 static int wpa_supplicant_ctrl_iface_set_network(
2176         struct wpa_supplicant *wpa_s, char *cmd)
2177 {
2178         int id;
2179         struct wpa_ssid *ssid;
2180         char *name, *value;
2181
2182         /* cmd: "<network id> <variable name> <value>" */
2183         name = os_strchr(cmd, ' ');
2184         if (name == NULL)
2185                 return -1;
2186         *name++ = '\0';
2187
2188         value = os_strchr(name, ' ');
2189         if (value == NULL)
2190                 return -1;
2191         *value++ = '\0';
2192
2193         id = atoi(cmd);
2194         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2195                    id, name);
2196         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2197                               (u8 *) value, os_strlen(value));
2198
2199         ssid = wpa_config_get_network(wpa_s->conf, id);
2200         if (ssid == NULL) {
2201                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2202                            "id=%d", id);
2203                 return -1;
2204         }
2205
2206         if (wpa_config_set(ssid, name, value, 0) < 0) {
2207                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2208                            "variable '%s'", name);
2209                 return -1;
2210         }
2211
2212         if (os_strcmp(name, "bssid") != 0 &&
2213             os_strcmp(name, "priority") != 0)
2214                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2215
2216         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2217                 /*
2218                  * Invalidate the EAP session cache if anything in the current
2219                  * or previously used configuration changes.
2220                  */
2221                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2222         }
2223
2224         if ((os_strcmp(name, "psk") == 0 &&
2225              value[0] == '"' && ssid->ssid_len) ||
2226             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2227                 wpa_config_update_psk(ssid);
2228         else if (os_strcmp(name, "priority") == 0)
2229                 wpa_config_update_prio_list(wpa_s->conf);
2230
2231         return 0;
2232 }
2233
2234
2235 static int wpa_supplicant_ctrl_iface_get_network(
2236         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2237 {
2238         int id;
2239         size_t res;
2240         struct wpa_ssid *ssid;
2241         char *name, *value;
2242
2243         /* cmd: "<network id> <variable name>" */
2244         name = os_strchr(cmd, ' ');
2245         if (name == NULL || buflen == 0)
2246                 return -1;
2247         *name++ = '\0';
2248
2249         id = atoi(cmd);
2250         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2251                    id, name);
2252
2253         ssid = wpa_config_get_network(wpa_s->conf, id);
2254         if (ssid == NULL) {
2255                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2256                            "id=%d", id);
2257                 return -1;
2258         }
2259
2260         value = wpa_config_get_no_key(ssid, name);
2261         if (value == NULL) {
2262                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2263                            "variable '%s'", name);
2264                 return -1;
2265         }
2266
2267         res = os_strlcpy(buf, value, buflen);
2268         if (res >= buflen) {
2269                 os_free(value);
2270                 return -1;
2271         }
2272
2273         os_free(value);
2274
2275         return res;
2276 }
2277
2278
2279 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2280                                                 char *buf, size_t buflen)
2281 {
2282         char *pos, *end;
2283         struct wpa_cred *cred;
2284         int ret;
2285
2286         pos = buf;
2287         end = buf + buflen;
2288         ret = os_snprintf(pos, end - pos,
2289                           "cred id / realm / username / domain / imsi\n");
2290         if (ret < 0 || ret >= end - pos)
2291                 return pos - buf;
2292         pos += ret;
2293
2294         cred = wpa_s->conf->cred;
2295         while (cred) {
2296                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2297                                   cred->id, cred->realm ? cred->realm : "",
2298                                   cred->username ? cred->username : "",
2299                                   cred->domain ? cred->domain : "",
2300                                   cred->imsi ? cred->imsi : "");
2301                 if (ret < 0 || ret >= end - pos)
2302                         return pos - buf;
2303                 pos += ret;
2304
2305                 cred = cred->next;
2306         }
2307
2308         return pos - buf;
2309 }
2310
2311
2312 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2313                                               char *buf, size_t buflen)
2314 {
2315         struct wpa_cred *cred;
2316         int ret;
2317
2318         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2319
2320         cred = wpa_config_add_cred(wpa_s->conf);
2321         if (cred == NULL)
2322                 return -1;
2323
2324         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2325         if (ret < 0 || (size_t) ret >= buflen)
2326                 return -1;
2327         return ret;
2328 }
2329
2330
2331 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2332                                  struct wpa_cred *cred)
2333 {
2334         struct wpa_ssid *ssid;
2335         char str[20];
2336
2337         if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2338                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2339                 return -1;
2340         }
2341
2342         /* Remove any network entry created based on the removed credential */
2343         ssid = wpa_s->conf->ssid;
2344         while (ssid) {
2345                 if (ssid->parent_cred == cred) {
2346                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2347                                    "used the removed credential", ssid->id);
2348                         os_snprintf(str, sizeof(str), "%d", ssid->id);
2349                         ssid = ssid->next;
2350                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2351                 } else
2352                         ssid = ssid->next;
2353         }
2354
2355         return 0;
2356 }
2357
2358
2359 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2360                                                  char *cmd)
2361 {
2362         int id;
2363         struct wpa_cred *cred, *prev;
2364
2365         /* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2366         if (os_strcmp(cmd, "all") == 0) {
2367                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2368                 cred = wpa_s->conf->cred;
2369                 while (cred) {
2370                         prev = cred;
2371                         cred = cred->next;
2372                         wpas_ctrl_remove_cred(wpa_s, prev);
2373                 }
2374                 return 0;
2375         }
2376
2377         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2378                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2379                            cmd + 8);
2380                 cred = wpa_s->conf->cred;
2381                 while (cred) {
2382                         prev = cred;
2383                         cred = cred->next;
2384                         if (prev->domain &&
2385                             os_strcmp(prev->domain, cmd + 8) == 0)
2386                                 wpas_ctrl_remove_cred(wpa_s, prev);
2387                 }
2388                 return 0;
2389         }
2390
2391         id = atoi(cmd);
2392         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2393
2394         cred = wpa_config_get_cred(wpa_s->conf, id);
2395         return wpas_ctrl_remove_cred(wpa_s, cred);
2396 }
2397
2398
2399 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2400                                               char *cmd)
2401 {
2402         int id;
2403         struct wpa_cred *cred;
2404         char *name, *value;
2405
2406         /* cmd: "<cred id> <variable name> <value>" */
2407         name = os_strchr(cmd, ' ');
2408         if (name == NULL)
2409                 return -1;
2410         *name++ = '\0';
2411
2412         value = os_strchr(name, ' ');
2413         if (value == NULL)
2414                 return -1;
2415         *value++ = '\0';
2416
2417         id = atoi(cmd);
2418         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2419                    id, name);
2420         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2421                               (u8 *) value, os_strlen(value));
2422
2423         cred = wpa_config_get_cred(wpa_s->conf, id);
2424         if (cred == NULL) {
2425                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2426                            id);
2427                 return -1;
2428         }
2429
2430         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2431                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2432                            "variable '%s'", name);
2433                 return -1;
2434         }
2435
2436         return 0;
2437 }
2438
2439
2440 #ifndef CONFIG_NO_CONFIG_WRITE
2441 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2442 {
2443         int ret;
2444
2445         if (!wpa_s->conf->update_config) {
2446                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2447                            "to update configuration (update_config=0)");
2448                 return -1;
2449         }
2450
2451         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2452         if (ret) {
2453                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2454                            "update configuration");
2455         } else {
2456                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2457                            " updated");
2458         }
2459
2460         return ret;
2461 }
2462 #endif /* CONFIG_NO_CONFIG_WRITE */
2463
2464
2465 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2466                                               struct wpa_driver_capa *capa,
2467                                               char *buf, size_t buflen)
2468 {
2469         int ret, first = 1;
2470         char *pos, *end;
2471         size_t len;
2472
2473         pos = buf;
2474         end = pos + buflen;
2475
2476         if (res < 0) {
2477                 if (strict)
2478                         return 0;
2479                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2480                 if (len >= buflen)
2481                         return -1;
2482                 return len;
2483         }
2484
2485         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2486                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2487                 if (ret < 0 || ret >= end - pos)
2488                         return pos - buf;
2489                 pos += ret;
2490                 first = 0;
2491         }
2492
2493         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2494                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2495                 if (ret < 0 || ret >= end - pos)
2496                         return pos - buf;
2497                 pos += ret;
2498                 first = 0;
2499         }
2500
2501         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2502                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2503                 if (ret < 0 || ret >= end - pos)
2504                         return pos - buf;
2505                 pos += ret;
2506                 first = 0;
2507         }
2508
2509         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2510                 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
2511                 if (ret < 0 || ret >= end - pos)
2512                         return pos - buf;
2513                 pos += ret;
2514                 first = 0;
2515         }
2516
2517         return pos - buf;
2518 }
2519
2520
2521 static int ctrl_iface_get_capability_group(int res, char *strict,
2522                                            struct wpa_driver_capa *capa,
2523                                            char *buf, size_t buflen)
2524 {
2525         int ret, first = 1;
2526         char *pos, *end;
2527         size_t len;
2528
2529         pos = buf;
2530         end = pos + buflen;
2531
2532         if (res < 0) {
2533                 if (strict)
2534                         return 0;
2535                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2536                 if (len >= buflen)
2537                         return -1;
2538                 return len;
2539         }
2540
2541         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2542                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2543                 if (ret < 0 || ret >= end - pos)
2544                         return pos - buf;
2545                 pos += ret;
2546                 first = 0;
2547         }
2548
2549         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2550                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2551                 if (ret < 0 || ret >= end - pos)
2552                         return pos - buf;
2553                 pos += ret;
2554                 first = 0;
2555         }
2556
2557         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2558                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2559                 if (ret < 0 || ret >= end - pos)
2560                         return pos - buf;
2561                 pos += ret;
2562                 first = 0;
2563         }
2564
2565         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2566                 ret = os_snprintf(pos, end - pos, "%sWEP104",
2567                                   first ? "" : " ");
2568                 if (ret < 0 || ret >= end - pos)
2569                         return pos - buf;
2570                 pos += ret;
2571                 first = 0;
2572         }
2573
2574         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2575                 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
2576                 if (ret < 0 || ret >= end - pos)
2577                         return pos - buf;
2578                 pos += ret;
2579                 first = 0;
2580         }
2581
2582         return pos - buf;
2583 }
2584
2585
2586 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2587                                               struct wpa_driver_capa *capa,
2588                                               char *buf, size_t buflen)
2589 {
2590         int ret;
2591         char *pos, *end;
2592         size_t len;
2593
2594         pos = buf;
2595         end = pos + buflen;
2596
2597         if (res < 0) {
2598                 if (strict)
2599                         return 0;
2600                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2601                                  "NONE", buflen);
2602                 if (len >= buflen)
2603                         return -1;
2604                 return len;
2605         }
2606
2607         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2608         if (ret < 0 || ret >= end - pos)
2609                 return pos - buf;
2610         pos += ret;
2611
2612         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2613                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2614                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2615                 if (ret < 0 || ret >= end - pos)
2616                         return pos - buf;
2617                 pos += ret;
2618         }
2619
2620         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2621                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2622                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2623                 if (ret < 0 || ret >= end - pos)
2624                         return pos - buf;
2625                 pos += ret;
2626         }
2627
2628         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2629                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2630                 if (ret < 0 || ret >= end - pos)
2631                         return pos - buf;
2632                 pos += ret;
2633         }
2634
2635         return pos - buf;
2636 }
2637
2638
2639 static int ctrl_iface_get_capability_proto(int res, char *strict,
2640                                            struct wpa_driver_capa *capa,
2641                                            char *buf, size_t buflen)
2642 {
2643         int ret, first = 1;
2644         char *pos, *end;
2645         size_t len;
2646
2647         pos = buf;
2648         end = pos + buflen;
2649
2650         if (res < 0) {
2651                 if (strict)
2652                         return 0;
2653                 len = os_strlcpy(buf, "RSN WPA", buflen);
2654                 if (len >= buflen)
2655                         return -1;
2656                 return len;
2657         }
2658
2659         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2660                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2661                 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2662                 if (ret < 0 || ret >= end - pos)
2663                         return pos - buf;
2664                 pos += ret;
2665                 first = 0;
2666         }
2667
2668         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2669                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2670                 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2671                 if (ret < 0 || ret >= end - pos)
2672                         return pos - buf;
2673                 pos += ret;
2674                 first = 0;
2675         }
2676
2677         return pos - buf;
2678 }
2679
2680
2681 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2682                                               struct wpa_driver_capa *capa,
2683                                               char *buf, size_t buflen)
2684 {
2685         int ret, first = 1;
2686         char *pos, *end;
2687         size_t len;
2688
2689         pos = buf;
2690         end = pos + buflen;
2691
2692         if (res < 0) {
2693                 if (strict)
2694                         return 0;
2695                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2696                 if (len >= buflen)
2697                         return -1;
2698                 return len;
2699         }
2700
2701         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2702                 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2703                 if (ret < 0 || ret >= end - pos)
2704                         return pos - buf;
2705                 pos += ret;
2706                 first = 0;
2707         }
2708
2709         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2710                 ret = os_snprintf(pos, end - pos, "%sSHARED",
2711                                   first ? "" : " ");
2712                 if (ret < 0 || ret >= end - pos)
2713                         return pos - buf;
2714                 pos += ret;
2715                 first = 0;
2716         }
2717
2718         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2719                 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2720                 if (ret < 0 || ret >= end - pos)
2721                         return pos - buf;
2722                 pos += ret;
2723                 first = 0;
2724         }
2725
2726         return pos - buf;
2727 }
2728
2729
2730 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
2731                                               char *buf, size_t buflen)
2732 {
2733         struct hostapd_channel_data *chnl;
2734         int ret, i, j;
2735         char *pos, *end, *hmode;
2736
2737         pos = buf;
2738         end = pos + buflen;
2739
2740         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2741                 switch (wpa_s->hw.modes[j].mode) {
2742                 case HOSTAPD_MODE_IEEE80211B:
2743                         hmode = "B";
2744                         break;
2745                 case HOSTAPD_MODE_IEEE80211G:
2746                         hmode = "G";
2747                         break;
2748                 case HOSTAPD_MODE_IEEE80211A:
2749                         hmode = "A";
2750                         break;
2751                 case HOSTAPD_MODE_IEEE80211AD:
2752                         hmode = "AD";
2753                         break;
2754                 default:
2755                         continue;
2756                 }
2757                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
2758                 if (ret < 0 || ret >= end - pos)
2759                         return pos - buf;
2760                 pos += ret;
2761                 chnl = wpa_s->hw.modes[j].channels;
2762                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2763                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2764                                 continue;
2765                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
2766                         if (ret < 0 || ret >= end - pos)
2767                                 return pos - buf;
2768                         pos += ret;
2769                 }
2770                 ret = os_snprintf(pos, end - pos, "\n");
2771                 if (ret < 0 || ret >= end - pos)
2772                         return pos - buf;
2773                 pos += ret;
2774         }
2775
2776         return pos - buf;
2777 }
2778
2779
2780 static int wpa_supplicant_ctrl_iface_get_capability(
2781         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
2782         size_t buflen)
2783 {
2784         struct wpa_driver_capa capa;
2785         int res;
2786         char *strict;
2787         char field[30];
2788         size_t len;
2789
2790         /* Determine whether or not strict checking was requested */
2791         len = os_strlcpy(field, _field, sizeof(field));
2792         if (len >= sizeof(field))
2793                 return -1;
2794         strict = os_strchr(field, ' ');
2795         if (strict != NULL) {
2796                 *strict++ = '\0';
2797                 if (os_strcmp(strict, "strict") != 0)
2798                         return -1;
2799         }
2800
2801         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
2802                 field, strict ? strict : "");
2803
2804         if (os_strcmp(field, "eap") == 0) {
2805                 return eap_get_names(buf, buflen);
2806         }
2807
2808         res = wpa_drv_get_capa(wpa_s, &capa);
2809
2810         if (os_strcmp(field, "pairwise") == 0)
2811                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
2812                                                           buf, buflen);
2813
2814         if (os_strcmp(field, "group") == 0)
2815                 return ctrl_iface_get_capability_group(res, strict, &capa,
2816                                                        buf, buflen);
2817
2818         if (os_strcmp(field, "key_mgmt") == 0)
2819                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
2820                                                           buf, buflen);
2821
2822         if (os_strcmp(field, "proto") == 0)
2823                 return ctrl_iface_get_capability_proto(res, strict, &capa,
2824                                                        buf, buflen);
2825
2826         if (os_strcmp(field, "auth_alg") == 0)
2827                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
2828                                                           buf, buflen);
2829
2830         if (os_strcmp(field, "channels") == 0)
2831                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
2832
2833         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
2834                    field);
2835
2836         return -1;
2837 }
2838
2839
2840 #ifdef CONFIG_INTERWORKING
2841 static char * anqp_add_hex(char *pos, char *end, const char *title,
2842                            struct wpabuf *data)
2843 {
2844         char *start = pos;
2845         size_t i;
2846         int ret;
2847         const u8 *d;
2848
2849         if (data == NULL)
2850                 return start;
2851
2852         ret = os_snprintf(pos, end - pos, "%s=", title);
2853         if (ret < 0 || ret >= end - pos)
2854                 return start;
2855         pos += ret;
2856
2857         d = wpabuf_head_u8(data);
2858         for (i = 0; i < wpabuf_len(data); i++) {
2859                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
2860                 if (ret < 0 || ret >= end - pos)
2861                         return start;
2862                 pos += ret;
2863         }
2864
2865         ret = os_snprintf(pos, end - pos, "\n");
2866         if (ret < 0 || ret >= end - pos)
2867                 return start;
2868         pos += ret;
2869
2870         return pos;
2871 }
2872 #endif /* CONFIG_INTERWORKING */
2873
2874
2875 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
2876                           unsigned long mask, char *buf, size_t buflen)
2877 {
2878         size_t i;
2879         int ret;
2880         char *pos, *end;
2881         const u8 *ie, *ie2;
2882
2883         pos = buf;
2884         end = buf + buflen;
2885
2886         if (mask & WPA_BSS_MASK_ID) {
2887                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
2888                 if (ret < 0 || ret >= end - pos)
2889                         return 0;
2890                 pos += ret;
2891         }
2892
2893         if (mask & WPA_BSS_MASK_BSSID) {
2894                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
2895                                   MAC2STR(bss->bssid));
2896                 if (ret < 0 || ret >= end - pos)
2897                         return 0;
2898                 pos += ret;
2899         }
2900
2901         if (mask & WPA_BSS_MASK_FREQ) {
2902                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
2903                 if (ret < 0 || ret >= end - pos)
2904                         return 0;
2905                 pos += ret;
2906         }
2907
2908         if (mask & WPA_BSS_MASK_BEACON_INT) {
2909                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
2910                                   bss->beacon_int);
2911                 if (ret < 0 || ret >= end - pos)
2912                         return 0;
2913                 pos += ret;
2914         }
2915
2916         if (mask & WPA_BSS_MASK_CAPABILITIES) {
2917                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
2918                                   bss->caps);
2919                 if (ret < 0 || ret >= end - pos)
2920                         return 0;
2921                 pos += ret;
2922         }
2923
2924         if (mask & WPA_BSS_MASK_QUAL) {
2925                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
2926                 if (ret < 0 || ret >= end - pos)
2927                         return 0;
2928                 pos += ret;
2929         }
2930
2931         if (mask & WPA_BSS_MASK_NOISE) {
2932                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
2933                 if (ret < 0 || ret >= end - pos)
2934                         return 0;
2935                 pos += ret;
2936         }
2937
2938         if (mask & WPA_BSS_MASK_LEVEL) {
2939                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
2940                 if (ret < 0 || ret >= end - pos)
2941                         return 0;
2942                 pos += ret;
2943         }
2944
2945         if (mask & WPA_BSS_MASK_TSF) {
2946                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
2947                                   (unsigned long long) bss->tsf);
2948                 if (ret < 0 || ret >= end - pos)
2949                         return 0;
2950                 pos += ret;
2951         }
2952
2953         if (mask & WPA_BSS_MASK_AGE) {
2954                 struct os_time now;
2955
2956                 os_get_time(&now);
2957                 ret = os_snprintf(pos, end - pos, "age=%d\n",
2958                                   (int) (now.sec - bss->last_update.sec));
2959                 if (ret < 0 || ret >= end - pos)
2960                         return 0;
2961                 pos += ret;
2962         }
2963
2964         if (mask & WPA_BSS_MASK_IE) {
2965                 ret = os_snprintf(pos, end - pos, "ie=");
2966                 if (ret < 0 || ret >= end - pos)
2967                         return 0;
2968                 pos += ret;
2969
2970                 ie = (const u8 *) (bss + 1);
2971                 for (i = 0; i < bss->ie_len; i++) {
2972                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
2973                         if (ret < 0 || ret >= end - pos)
2974                                 return 0;
2975                         pos += ret;
2976                 }
2977
2978                 ret = os_snprintf(pos, end - pos, "\n");
2979                 if (ret < 0 || ret >= end - pos)
2980                         return 0;
2981                 pos += ret;
2982         }
2983
2984         if (mask & WPA_BSS_MASK_FLAGS) {
2985                 ret = os_snprintf(pos, end - pos, "flags=");
2986                 if (ret < 0 || ret >= end - pos)
2987                         return 0;
2988                 pos += ret;
2989
2990                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2991                 if (ie)
2992                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
2993                                                     2 + ie[1]);
2994                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2995                 if (ie2)
2996                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
2997                                                     2 + ie2[1]);
2998                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2999                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3000                         ret = os_snprintf(pos, end - pos, "[WEP]");
3001                         if (ret < 0 || ret >= end - pos)
3002                                 return 0;
3003                         pos += ret;
3004                 }
3005                 if (bss->caps & IEEE80211_CAP_IBSS) {
3006                         ret = os_snprintf(pos, end - pos, "[IBSS]");
3007                         if (ret < 0 || ret >= end - pos)
3008                                 return 0;
3009                         pos += ret;
3010                 }
3011                 if (bss->caps & IEEE80211_CAP_ESS) {
3012                         ret = os_snprintf(pos, end - pos, "[ESS]");
3013                         if (ret < 0 || ret >= end - pos)
3014                                 return 0;
3015                         pos += ret;
3016                 }
3017                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE)) {
3018                         ret = os_snprintf(pos, end - pos, "[P2P]");
3019                         if (ret < 0 || ret >= end - pos)
3020                                 return 0;
3021                         pos += ret;
3022                 }
3023 #ifdef CONFIG_HS20
3024                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3025                         ret = os_snprintf(pos, end - pos, "[HS20]");
3026                         if (ret < 0 || ret >= end - pos)
3027                                 return -1;
3028                         pos += ret;
3029                 }
3030 #endif /* CONFIG_HS20 */
3031
3032                 ret = os_snprintf(pos, end - pos, "\n");
3033                 if (ret < 0 || ret >= end - pos)
3034                         return 0;
3035                 pos += ret;
3036         }
3037
3038         if (mask & WPA_BSS_MASK_SSID) {
3039                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3040                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3041                 if (ret < 0 || ret >= end - pos)
3042                         return 0;
3043                 pos += ret;
3044         }
3045
3046 #ifdef CONFIG_WPS
3047         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3048                 ie = (const u8 *) (bss + 1);
3049                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3050                 if (ret < 0 || ret >= end - pos)
3051                         return 0;
3052                 pos += ret;
3053         }
3054 #endif /* CONFIG_WPS */
3055
3056 #ifdef CONFIG_P2P
3057         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3058                 ie = (const u8 *) (bss + 1);
3059                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3060                 if (ret < 0 || ret >= end - pos)
3061                         return 0;
3062                 pos += ret;
3063         }
3064 #endif /* CONFIG_P2P */
3065
3066 #ifdef CONFIG_WIFI_DISPLAY
3067         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3068                 struct wpabuf *wfd;
3069                 ie = (const u8 *) (bss + 1);
3070                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3071                                                   WFD_IE_VENDOR_TYPE);
3072                 if (wfd) {
3073                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3074                         if (ret < 0 || ret >= end - pos)
3075                                 return pos - buf;
3076                         pos += ret;
3077
3078                         pos += wpa_snprintf_hex(pos, end - pos,
3079                                                 wpabuf_head(wfd),
3080                                                 wpabuf_len(wfd));
3081                         wpabuf_free(wfd);
3082
3083                         ret = os_snprintf(pos, end - pos, "\n");
3084                         if (ret < 0 || ret >= end - pos)
3085                                 return pos - buf;
3086                         pos += ret;
3087                 }
3088         }
3089 #endif /* CONFIG_WIFI_DISPLAY */
3090
3091 #ifdef CONFIG_INTERWORKING
3092         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3093                 struct wpa_bss_anqp *anqp = bss->anqp;
3094                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3095                                    anqp->venue_name);
3096                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3097                                    anqp->network_auth_type);
3098                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3099                                    anqp->roaming_consortium);
3100                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3101                                    anqp->ip_addr_type_availability);
3102                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3103                                    anqp->nai_realm);
3104                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3105                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3106                                    anqp->domain_name);
3107 #ifdef CONFIG_HS20
3108                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3109                                    anqp->hs20_operator_friendly_name);
3110                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3111                                    anqp->hs20_wan_metrics);
3112                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3113                                    anqp->hs20_connection_capability);
3114 #endif /* CONFIG_HS20 */
3115         }
3116 #endif /* CONFIG_INTERWORKING */
3117
3118         return pos - buf;
3119 }
3120
3121
3122 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3123                                          const char *cmd, char *buf,
3124                                          size_t buflen)
3125 {
3126         u8 bssid[ETH_ALEN];
3127         size_t i;
3128         struct wpa_bss *bss;
3129         struct wpa_bss *bsslast = NULL;
3130         struct dl_list *next;
3131         int ret = 0;
3132         int len;
3133         char *ctmp;
3134         unsigned long mask = WPA_BSS_MASK_ALL;
3135
3136         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3137                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3138                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3139                                             list_id);
3140                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3141                                                list_id);
3142                 } else { /* N1-N2 */
3143                         unsigned int id1, id2;
3144
3145                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3146                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3147                                            "format");
3148                                 return 0;
3149                         }
3150
3151                         if (*(cmd + 6) == '-')
3152                                 id1 = 0;
3153                         else
3154                                 id1 = atoi(cmd + 6);
3155                         ctmp++;
3156                         if (*ctmp >= '0' && *ctmp <= '9')
3157                                 id2 = atoi(ctmp);
3158                         else
3159                                 id2 = (unsigned int) -1;
3160                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3161                         if (id2 == (unsigned int) -1)
3162                                 bsslast = dl_list_last(&wpa_s->bss_id,
3163                                                        struct wpa_bss,
3164                                                        list_id);
3165                         else {
3166                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3167                                 if (bsslast == NULL && bss && id2 > id1) {
3168                                         struct wpa_bss *tmp = bss;
3169                                         for (;;) {
3170                                                 next = tmp->list_id.next;
3171                                                 if (next == &wpa_s->bss_id)
3172                                                         break;
3173                                                 tmp = dl_list_entry(
3174                                                         next, struct wpa_bss,
3175                                                         list_id);
3176                                                 if (tmp->id > id2)
3177                                                         break;
3178                                                 bsslast = tmp;
3179                                         }
3180                                 }
3181                         }
3182                 }
3183         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3184                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3185         else if (os_strncmp(cmd, "LAST", 4) == 0)
3186                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3187         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3188                 i = atoi(cmd + 3);
3189                 bss = wpa_bss_get_id(wpa_s, i);
3190         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3191                 i = atoi(cmd + 5);
3192                 bss = wpa_bss_get_id(wpa_s, i);
3193                 if (bss) {
3194                         next = bss->list_id.next;
3195                         if (next == &wpa_s->bss_id)
3196                                 bss = NULL;
3197                         else
3198                                 bss = dl_list_entry(next, struct wpa_bss,
3199                                                     list_id);
3200                 }
3201 #ifdef CONFIG_P2P
3202         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3203                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3204                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3205                 else
3206                         bss = NULL;
3207 #endif /* CONFIG_P2P */
3208         } else if (hwaddr_aton(cmd, bssid) == 0)
3209                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3210         else {
3211                 struct wpa_bss *tmp;
3212                 i = atoi(cmd);
3213                 bss = NULL;
3214                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3215                 {
3216                         if (i-- == 0) {
3217                                 bss = tmp;
3218                                 break;
3219                         }
3220                 }
3221         }
3222
3223         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3224                 mask = strtoul(ctmp + 5, NULL, 0x10);
3225                 if (mask == 0)
3226                         mask = WPA_BSS_MASK_ALL;
3227         }
3228
3229         if (bss == NULL)
3230                 return 0;
3231
3232         if (bsslast == NULL)
3233                 bsslast = bss;
3234         do {
3235                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3236                 ret += len;
3237                 buf += len;
3238                 buflen -= len;
3239                 if (bss == bsslast)
3240                         break;
3241                 next = bss->list_id.next;
3242                 if (next == &wpa_s->bss_id)
3243                         break;
3244                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3245         } while (bss && len);
3246
3247         return ret;
3248 }
3249
3250
3251 static int wpa_supplicant_ctrl_iface_ap_scan(
3252         struct wpa_supplicant *wpa_s, char *cmd)
3253 {
3254         int ap_scan = atoi(cmd);
3255         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3256 }
3257
3258
3259 static int wpa_supplicant_ctrl_iface_scan_interval(
3260         struct wpa_supplicant *wpa_s, char *cmd)
3261 {
3262         int scan_int = atoi(cmd);
3263         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3264 }
3265
3266
3267 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3268         struct wpa_supplicant *wpa_s, char *cmd)
3269 {
3270         int expire_age = atoi(cmd);
3271         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3272 }
3273
3274
3275 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3276         struct wpa_supplicant *wpa_s, char *cmd)
3277 {
3278         int expire_count = atoi(cmd);
3279         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3280 }
3281
3282
3283 static int wpa_supplicant_ctrl_iface_bss_flush(
3284         struct wpa_supplicant *wpa_s, char *cmd)
3285 {
3286         int flush_age = atoi(cmd);
3287
3288         if (flush_age == 0)
3289                 wpa_bss_flush(wpa_s);
3290         else
3291                 wpa_bss_flush_by_age(wpa_s, flush_age);
3292         return 0;
3293 }
3294
3295
3296 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3297 {
3298         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3299         /* MLME-DELETEKEYS.request */
3300         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3301         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3302         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3303         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3304 #ifdef CONFIG_IEEE80211W
3305         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3306         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3307 #endif /* CONFIG_IEEE80211W */
3308
3309         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3310                         0);
3311         /* MLME-SETPROTECTION.request(None) */
3312         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3313                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3314                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3315         wpa_sm_drop_sa(wpa_s->wpa);
3316 }
3317
3318
3319 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3320                                           char *addr)
3321 {
3322 #ifdef CONFIG_NO_SCAN_PROCESSING
3323         return -1;
3324 #else /* CONFIG_NO_SCAN_PROCESSING */
3325         u8 bssid[ETH_ALEN];
3326         struct wpa_bss *bss;
3327         struct wpa_ssid *ssid = wpa_s->current_ssid;
3328
3329         if (hwaddr_aton(addr, bssid)) {
3330                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3331                            "address '%s'", addr);
3332                 return -1;
3333         }
3334
3335         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3336
3337         bss = wpa_bss_get_bssid(wpa_s, bssid);
3338         if (!bss) {
3339                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3340                            "from BSS table");
3341                 return -1;
3342         }
3343
3344         /*
3345          * TODO: Find best network configuration block from configuration to
3346          * allow roaming to other networks
3347          */
3348
3349         if (!ssid) {
3350                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3351                            "configuration known for the target AP");
3352                 return -1;
3353         }
3354
3355         wpa_s->reassociate = 1;
3356         wpa_supplicant_connect(wpa_s, bss, ssid);
3357
3358         return 0;
3359 #endif /* CONFIG_NO_SCAN_PROCESSING */
3360 }
3361
3362
3363 #ifdef CONFIG_P2P
3364 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3365 {
3366         unsigned int timeout = atoi(cmd);
3367         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3368         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3369         char *pos;
3370         unsigned int search_delay;
3371
3372         if (os_strstr(cmd, "type=social"))
3373                 type = P2P_FIND_ONLY_SOCIAL;
3374         else if (os_strstr(cmd, "type=progressive"))
3375                 type = P2P_FIND_PROGRESSIVE;
3376
3377         pos = os_strstr(cmd, "dev_id=");
3378         if (pos) {
3379                 pos += 7;
3380                 if (hwaddr_aton(pos, dev_id))
3381                         return -1;
3382                 _dev_id = dev_id;
3383         }
3384
3385         pos = os_strstr(cmd, "delay=");
3386         if (pos) {
3387                 pos += 6;
3388                 search_delay = atoi(pos);
3389         } else
3390                 search_delay = wpas_p2p_search_delay(wpa_s);
3391
3392         return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3393                              search_delay);
3394 }
3395
3396
3397 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3398                             char *buf, size_t buflen)
3399 {
3400         u8 addr[ETH_ALEN];
3401         char *pos, *pos2;
3402         char *pin = NULL;
3403         enum p2p_wps_method wps_method;
3404         int new_pin;
3405         int ret;
3406         int persistent_group, persistent_id = -1;
3407         int join;
3408         int auth;
3409         int automatic;
3410         int go_intent = -1;
3411         int freq = 0;
3412         int pd;
3413         int ht40;
3414
3415         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3416          * [persistent|persistent=<network id>]
3417          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3418          * [ht40] */
3419
3420         if (hwaddr_aton(cmd, addr))
3421                 return -1;
3422
3423         pos = cmd + 17;
3424         if (*pos != ' ')
3425                 return -1;
3426         pos++;
3427
3428         persistent_group = os_strstr(pos, " persistent") != NULL;
3429         pos2 = os_strstr(pos, " persistent=");
3430         if (pos2) {
3431                 struct wpa_ssid *ssid;
3432                 persistent_id = atoi(pos2 + 12);
3433                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3434                 if (ssid == NULL || ssid->disabled != 2 ||
3435                     ssid->mode != WPAS_MODE_P2P_GO) {
3436                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3437                                    "SSID id=%d for persistent P2P group (GO)",
3438                                    persistent_id);
3439                         return -1;
3440                 }
3441         }
3442         join = os_strstr(pos, " join") != NULL;
3443         auth = os_strstr(pos, " auth") != NULL;
3444         automatic = os_strstr(pos, " auto") != NULL;
3445         pd = os_strstr(pos, " provdisc") != NULL;
3446         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3447
3448         pos2 = os_strstr(pos, " go_intent=");
3449         if (pos2) {
3450                 pos2 += 11;
3451                 go_intent = atoi(pos2);
3452                 if (go_intent < 0 || go_intent > 15)
3453                         return -1;
3454         }
3455
3456         pos2 = os_strstr(pos, " freq=");
3457         if (pos2) {
3458                 pos2 += 6;
3459                 freq = atoi(pos2);
3460                 if (freq <= 0)
3461                         return -1;
3462         }
3463
3464         if (os_strncmp(pos, "pin", 3) == 0) {
3465                 /* Request random PIN (to be displayed) and enable the PIN */
3466                 wps_method = WPS_PIN_DISPLAY;
3467         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3468                 wps_method = WPS_PBC;
3469         } else {
3470                 pin = pos;
3471                 pos = os_strchr(pin, ' ');
3472                 wps_method = WPS_PIN_KEYPAD;
3473                 if (pos) {
3474                         *pos++ = '\0';
3475                         if (os_strncmp(pos, "display", 7) == 0)
3476                                 wps_method = WPS_PIN_DISPLAY;
3477                 }
3478                 if (!wps_pin_str_valid(pin)) {
3479                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3480                         return 17;
3481                 }
3482         }
3483
3484         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3485                                    persistent_group, automatic, join,
3486                                    auth, go_intent, freq, persistent_id, pd,
3487                                    ht40);
3488         if (new_pin == -2) {
3489                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3490                 return 25;
3491         }
3492         if (new_pin == -3) {
3493                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3494                 return 25;
3495         }
3496         if (new_pin < 0)
3497                 return -1;
3498         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3499                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3500                 if (ret < 0 || (size_t) ret >= buflen)
3501                         return -1;
3502                 return ret;
3503         }
3504
3505         os_memcpy(buf, "OK\n", 3);
3506         return 3;
3507 }
3508
3509
3510 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3511 {
3512         unsigned int timeout = atoi(cmd);
3513         return wpas_p2p_listen(wpa_s, timeout);
3514 }
3515
3516
3517 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3518 {
3519         u8 addr[ETH_ALEN];
3520         char *pos;
3521         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3522
3523         /* <addr> <config method> [join|auto] */
3524
3525         if (hwaddr_aton(cmd, addr))
3526                 return -1;
3527
3528         pos = cmd + 17;
3529         if (*pos != ' ')
3530                 return -1;
3531         pos++;
3532
3533         if (os_strstr(pos, " join") != NULL)
3534                 use = WPAS_P2P_PD_FOR_JOIN;
3535         else if (os_strstr(pos, " auto") != NULL)
3536                 use = WPAS_P2P_PD_AUTO;
3537
3538         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3539 }
3540
3541
3542 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3543                               size_t buflen)
3544 {
3545         struct wpa_ssid *ssid = wpa_s->current_ssid;
3546
3547         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3548             ssid->passphrase == NULL)
3549                 return -1;
3550
3551         os_strlcpy(buf, ssid->passphrase, buflen);
3552         return os_strlen(buf);
3553 }
3554
3555
3556 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3557                                   char *buf, size_t buflen)
3558 {
3559         u64 ref;
3560         int res;
3561         u8 dst_buf[ETH_ALEN], *dst;
3562         struct wpabuf *tlvs;
3563         char *pos;
3564         size_t len;
3565
3566         if (hwaddr_aton(cmd, dst_buf))
3567                 return -1;
3568         dst = dst_buf;
3569         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3570             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3571                 dst = NULL;
3572         pos = cmd + 17;
3573         if (*pos != ' ')
3574                 return -1;
3575         pos++;
3576
3577         if (os_strncmp(pos, "upnp ", 5) == 0) {
3578                 u8 version;
3579                 pos += 5;
3580                 if (hexstr2bin(pos, &version, 1) < 0)
3581                         return -1;
3582                 pos += 2;
3583                 if (*pos != ' ')
3584                         return -1;
3585                 pos++;
3586                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3587 #ifdef CONFIG_WIFI_DISPLAY
3588         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3589                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3590 #endif /* CONFIG_WIFI_DISPLAY */
3591         } else {
3592                 len = os_strlen(pos);
3593                 if (len & 1)
3594                         return -1;
3595                 len /= 2;
3596                 tlvs = wpabuf_alloc(len);
3597                 if (tlvs == NULL)
3598                         return -1;
3599                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3600                         wpabuf_free(tlvs);
3601                         return -1;
3602                 }
3603
3604                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3605                 wpabuf_free(tlvs);
3606         }
3607         if (ref == 0)
3608                 return -1;
3609         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3610         if (res < 0 || (unsigned) res >= buflen)
3611                 return -1;
3612         return res;
3613 }
3614
3615
3616 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3617                                          char *cmd)
3618 {
3619         long long unsigned val;
3620         u64 req;
3621         if (sscanf(cmd, "%llx", &val) != 1)
3622                 return -1;
3623         req = val;
3624         return wpas_p2p_sd_cancel_request(wpa_s, req);
3625 }
3626
3627
3628 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3629 {
3630         int freq;
3631         u8 dst[ETH_ALEN];
3632         u8 dialog_token;
3633         struct wpabuf *resp_tlvs;
3634         char *pos, *pos2;
3635         size_t len;
3636
3637         pos = os_strchr(cmd, ' ');
3638         if (pos == NULL)
3639                 return -1;
3640         *pos++ = '\0';
3641         freq = atoi(cmd);
3642         if (freq == 0)
3643                 return -1;
3644
3645         if (hwaddr_aton(pos, dst))
3646                 return -1;
3647         pos += 17;
3648         if (*pos != ' ')
3649                 return -1;
3650         pos++;
3651
3652         pos2 = os_strchr(pos, ' ');
3653         if (pos2 == NULL)
3654                 return -1;
3655         *pos2++ = '\0';
3656         dialog_token = atoi(pos);
3657
3658         len = os_strlen(pos2);
3659         if (len & 1)
3660                 return -1;
3661         len /= 2;
3662         resp_tlvs = wpabuf_alloc(len);
3663         if (resp_tlvs == NULL)
3664                 return -1;
3665         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3666                 wpabuf_free(resp_tlvs);
3667                 return -1;
3668         }
3669
3670         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3671         wpabuf_free(resp_tlvs);
3672         return 0;
3673 }
3674
3675
3676 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3677                                        char *cmd)
3678 {
3679         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3680                 return -1;
3681         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3682         return 0;
3683 }
3684
3685
3686 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3687                                         char *cmd)
3688 {
3689         char *pos;
3690         size_t len;
3691         struct wpabuf *query, *resp;
3692
3693         pos = os_strchr(cmd, ' ');
3694         if (pos == NULL)
3695                 return -1;
3696         *pos++ = '\0';
3697
3698         len = os_strlen(cmd);
3699         if (len & 1)
3700                 return -1;
3701         len /= 2;
3702         query = wpabuf_alloc(len);
3703         if (query == NULL)
3704                 return -1;
3705         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3706                 wpabuf_free(query);
3707                 return -1;
3708         }
3709
3710         len = os_strlen(pos);
3711         if (len & 1) {
3712                 wpabuf_free(query);
3713                 return -1;
3714         }
3715         len /= 2;
3716         resp = wpabuf_alloc(len);
3717         if (resp == NULL) {
3718                 wpabuf_free(query);
3719                 return -1;
3720         }
3721         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
3722                 wpabuf_free(query);
3723                 wpabuf_free(resp);
3724                 return -1;
3725         }
3726
3727         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
3728                 wpabuf_free(query);
3729                 wpabuf_free(resp);
3730                 return -1;
3731         }
3732         return 0;
3733 }
3734
3735
3736 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3737 {
3738         char *pos;
3739         u8 version;
3740
3741         pos = os_strchr(cmd, ' ');
3742         if (pos == NULL)
3743                 return -1;
3744         *pos++ = '\0';
3745
3746         if (hexstr2bin(cmd, &version, 1) < 0)
3747                 return -1;
3748
3749         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
3750 }
3751
3752
3753 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
3754 {
3755         char *pos;
3756
3757         pos = os_strchr(cmd, ' ');
3758         if (pos == NULL)
3759                 return -1;
3760         *pos++ = '\0';
3761
3762         if (os_strcmp(cmd, "bonjour") == 0)
3763                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
3764         if (os_strcmp(cmd, "upnp") == 0)
3765                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
3766         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3767         return -1;
3768 }
3769
3770
3771 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
3772                                         char *cmd)
3773 {
3774         size_t len;
3775         struct wpabuf *query;
3776         int ret;
3777
3778         len = os_strlen(cmd);
3779         if (len & 1)
3780                 return -1;
3781         len /= 2;
3782         query = wpabuf_alloc(len);
3783         if (query == NULL)
3784                 return -1;
3785         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3786                 wpabuf_free(query);
3787                 return -1;
3788         }
3789
3790         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
3791         wpabuf_free(query);
3792         return ret;
3793 }
3794
3795
3796 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3797 {
3798         char *pos;
3799         u8 version;
3800
3801         pos = os_strchr(cmd, ' ');
3802         if (pos == NULL)
3803                 return -1;
3804         *pos++ = '\0';
3805
3806         if (hexstr2bin(cmd, &version, 1) < 0)
3807                 return -1;
3808
3809         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
3810 }
3811
3812
3813 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
3814 {
3815         char *pos;
3816
3817         pos = os_strchr(cmd, ' ');
3818         if (pos == NULL)
3819                 return -1;
3820         *pos++ = '\0';
3821
3822         if (os_strcmp(cmd, "bonjour") == 0)
3823                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
3824         if (os_strcmp(cmd, "upnp") == 0)
3825                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
3826         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3827         return -1;
3828 }
3829
3830
3831 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
3832 {
3833         u8 addr[ETH_ALEN];
3834
3835         /* <addr> */
3836
3837         if (hwaddr_aton(cmd, addr))
3838                 return -1;
3839
3840         return wpas_p2p_reject(wpa_s, addr);
3841 }
3842
3843
3844 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
3845 {
3846         char *pos;
3847         int id;
3848         struct wpa_ssid *ssid;
3849         u8 *_peer = NULL, peer[ETH_ALEN];
3850         int freq = 0;
3851         int ht40;
3852
3853         id = atoi(cmd);
3854         pos = os_strstr(cmd, " peer=");
3855         if (pos) {
3856                 pos += 6;
3857                 if (hwaddr_aton(pos, peer))
3858                         return -1;
3859                 _peer = peer;
3860         }
3861         ssid = wpa_config_get_network(wpa_s->conf, id);
3862         if (ssid == NULL || ssid->disabled != 2) {
3863                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3864                            "for persistent P2P group",
3865                            id);
3866                 return -1;
3867         }
3868
3869         pos = os_strstr(cmd, " freq=");
3870         if (pos) {
3871                 pos += 6;
3872                 freq = atoi(pos);
3873                 if (freq <= 0)
3874                         return -1;
3875         }
3876
3877         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3878
3879         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40);
3880 }
3881
3882
3883 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
3884 {
3885         char *pos;
3886         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
3887
3888         pos = os_strstr(cmd, " peer=");
3889         if (!pos)
3890                 return -1;
3891
3892         *pos = '\0';
3893         pos += 6;
3894         if (hwaddr_aton(pos, peer)) {
3895                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
3896                 return -1;
3897         }
3898
3899         pos = os_strstr(pos, " go_dev_addr=");
3900         if (pos) {
3901                 pos += 13;
3902                 if (hwaddr_aton(pos, go_dev_addr)) {
3903                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
3904                                    pos);
3905                         return -1;
3906                 }
3907                 go_dev = go_dev_addr;
3908         }
3909
3910         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
3911 }
3912
3913
3914 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
3915 {
3916         if (os_strncmp(cmd, "persistent=", 11) == 0)
3917                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
3918         if (os_strncmp(cmd, "group=", 6) == 0)
3919                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
3920
3921         return -1;
3922 }
3923
3924
3925 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
3926                                          char *cmd, int freq, int ht40)
3927 {
3928         int id;
3929         struct wpa_ssid *ssid;
3930
3931         id = atoi(cmd);
3932         ssid = wpa_config_get_network(wpa_s->conf, id);
3933         if (ssid == NULL || ssid->disabled != 2) {
3934                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3935                            "for persistent P2P group",
3936                            id);
3937                 return -1;
3938         }
3939
3940         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40);
3941 }
3942
3943
3944 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
3945 {
3946         int freq = 0, ht40;
3947         char *pos;
3948
3949         pos = os_strstr(cmd, "freq=");
3950         if (pos)
3951                 freq = atoi(pos + 5);
3952
3953         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3954
3955         if (os_strncmp(cmd, "persistent=", 11) == 0)
3956                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
3957                                                      ht40);
3958         if (os_strcmp(cmd, "persistent") == 0 ||
3959             os_strncmp(cmd, "persistent ", 11) == 0)
3960                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40);
3961         if (os_strncmp(cmd, "freq=", 5) == 0)
3962                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
3963         if (ht40)
3964                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
3965
3966         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
3967                    cmd);
3968         return -1;
3969 }
3970
3971
3972 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
3973                          char *buf, size_t buflen)
3974 {
3975         u8 addr[ETH_ALEN], *addr_ptr;
3976         int next, res;
3977         const struct p2p_peer_info *info;
3978         char *pos, *end;
3979         char devtype[WPS_DEV_TYPE_BUFSIZE];
3980         struct wpa_ssid *ssid;
3981         size_t i;
3982
3983         if (!wpa_s->global->p2p)
3984                 return -1;
3985
3986         if (os_strcmp(cmd, "FIRST") == 0) {
3987                 addr_ptr = NULL;
3988                 next = 0;
3989         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3990                 if (hwaddr_aton(cmd + 5, addr) < 0)
3991                         return -1;
3992                 addr_ptr = addr;
3993                 next = 1;
3994         } else {
3995                 if (hwaddr_aton(cmd, addr) < 0)
3996                         return -1;
3997                 addr_ptr = addr;
3998                 next = 0;
3999         }
4000
4001         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4002         if (info == NULL)
4003                 return -1;
4004
4005         pos = buf;
4006         end = buf + buflen;
4007
4008         res = os_snprintf(pos, end - pos, MACSTR "\n"
4009                           "pri_dev_type=%s\n"
4010                           "device_name=%s\n"
4011                           "manufacturer=%s\n"
4012                           "model_name=%s\n"
4013                           "model_number=%s\n"
4014                           "serial_number=%s\n"
4015                           "config_methods=0x%x\n"
4016                           "dev_capab=0x%x\n"
4017                           "group_capab=0x%x\n"
4018                           "level=%d\n",
4019                           MAC2STR(info->p2p_device_addr),
4020                           wps_dev_type_bin2str(info->pri_dev_type,
4021                                                devtype, sizeof(devtype)),
4022                           info->device_name,
4023                           info->manufacturer,
4024                           info->model_name,
4025                           info->model_number,
4026                           info->serial_number,
4027                           info->config_methods,
4028                           info->dev_capab,
4029                           info->group_capab,
4030                           info->level);
4031         if (res < 0 || res >= end - pos)
4032                 return pos - buf;
4033         pos += res;
4034
4035         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4036         {
4037                 const u8 *t;
4038                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4039                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4040                                   wps_dev_type_bin2str(t, devtype,
4041                                                        sizeof(devtype)));
4042                 if (res < 0 || res >= end - pos)
4043                         return pos - buf;
4044                 pos += res;
4045         }
4046
4047         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4048         if (ssid) {
4049                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4050                 if (res < 0 || res >= end - pos)
4051                         return pos - buf;
4052                 pos += res;
4053         }
4054
4055         res = p2p_get_peer_info_txt(info, pos, end - pos);
4056         if (res < 0)
4057                 return pos - buf;
4058         pos += res;
4059
4060         return pos - buf;
4061 }
4062
4063
4064 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4065                                   const char *param)
4066 {
4067         struct wpa_freq_range *freq = NULL, *n;
4068         unsigned int count = 0, i;
4069         const char *pos, *pos2, *pos3;
4070
4071         if (wpa_s->global->p2p == NULL)
4072                 return -1;
4073
4074         /*
4075          * param includes comma separated frequency range.
4076          * For example: 2412-2432,2462,5000-6000
4077          */
4078         pos = param;
4079         while (pos && pos[0]) {
4080                 n = os_realloc_array(freq, count + 1,
4081                                      sizeof(struct wpa_freq_range));
4082                 if (n == NULL) {
4083                         os_free(freq);
4084                         return -1;
4085                 }
4086                 freq = n;
4087                 freq[count].min = atoi(pos);
4088                 pos2 = os_strchr(pos, '-');
4089                 pos3 = os_strchr(pos, ',');
4090                 if (pos2 && (!pos3 || pos2 < pos3)) {
4091                         pos2++;
4092                         freq[count].max = atoi(pos2);
4093                 } else
4094                         freq[count].max = freq[count].min;
4095                 pos = pos3;
4096                 if (pos)
4097                         pos++;
4098                 count++;
4099         }
4100
4101         for (i = 0; i < count; i++) {
4102                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4103                            freq[i].min, freq[i].max);
4104         }
4105
4106         os_free(wpa_s->global->p2p_disallow_freq);
4107         wpa_s->global->p2p_disallow_freq = freq;
4108         wpa_s->global->num_p2p_disallow_freq = count;
4109         wpas_p2p_update_channel_list(wpa_s);
4110         return 0;
4111 }
4112
4113
4114 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4115 {
4116         char *param;
4117
4118         if (wpa_s->global->p2p == NULL)
4119                 return -1;
4120
4121         param = os_strchr(cmd, ' ');
4122         if (param == NULL)
4123                 return -1;
4124         *param++ = '\0';
4125
4126         if (os_strcmp(cmd, "discoverability") == 0) {
4127                 p2p_set_client_discoverability(wpa_s->global->p2p,
4128                                                atoi(param));
4129                 return 0;
4130         }
4131
4132         if (os_strcmp(cmd, "managed") == 0) {
4133                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4134                 return 0;
4135         }
4136
4137         if (os_strcmp(cmd, "listen_channel") == 0) {
4138                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4139                                               atoi(param));
4140         }
4141
4142         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4143                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4144                                             os_strlen(param));
4145         }
4146
4147         if (os_strcmp(cmd, "noa") == 0) {
4148                 char *pos;
4149                 int count, start, duration;
4150                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4151                 count = atoi(param);
4152                 pos = os_strchr(param, ',');
4153                 if (pos == NULL)
4154                         return -1;
4155                 pos++;
4156                 start = atoi(pos);
4157                 pos = os_strchr(pos, ',');
4158                 if (pos == NULL)
4159                         return -1;
4160                 pos++;
4161                 duration = atoi(pos);
4162                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4163                         return -1;
4164                 if (count == 0 && duration > 0)
4165                         return -1;
4166                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4167                            "start=%d duration=%d", count, start, duration);
4168                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4169         }
4170
4171         if (os_strcmp(cmd, "ps") == 0)
4172                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4173
4174         if (os_strcmp(cmd, "oppps") == 0)
4175                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4176
4177         if (os_strcmp(cmd, "ctwindow") == 0)
4178                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4179
4180         if (os_strcmp(cmd, "disabled") == 0) {
4181                 wpa_s->global->p2p_disabled = atoi(param);
4182                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4183                            wpa_s->global->p2p_disabled ?
4184                            "disabled" : "enabled");
4185                 if (wpa_s->global->p2p_disabled) {
4186                         wpas_p2p_stop_find(wpa_s);
4187                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4188                         p2p_flush(wpa_s->global->p2p);
4189                 }
4190                 return 0;
4191         }
4192
4193         if (os_strcmp(cmd, "conc_pref") == 0) {
4194                 if (os_strcmp(param, "sta") == 0)
4195                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4196                 else if (os_strcmp(param, "p2p") == 0)
4197                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4198                 else {
4199                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4200                         return -1;
4201                 }
4202                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4203                            "%s", param);
4204                 return 0;
4205         }
4206
4207         if (os_strcmp(cmd, "force_long_sd") == 0) {
4208                 wpa_s->force_long_sd = atoi(param);
4209                 return 0;
4210         }
4211
4212         if (os_strcmp(cmd, "peer_filter") == 0) {
4213                 u8 addr[ETH_ALEN];
4214                 if (hwaddr_aton(param, addr))
4215                         return -1;
4216                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4217                 return 0;
4218         }
4219
4220         if (os_strcmp(cmd, "cross_connect") == 0)
4221                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4222
4223         if (os_strcmp(cmd, "go_apsd") == 0) {
4224                 if (os_strcmp(param, "disable") == 0)
4225                         wpa_s->set_ap_uapsd = 0;
4226                 else {
4227                         wpa_s->set_ap_uapsd = 1;
4228                         wpa_s->ap_uapsd = atoi(param);
4229                 }
4230                 return 0;
4231         }
4232
4233         if (os_strcmp(cmd, "client_apsd") == 0) {
4234                 if (os_strcmp(param, "disable") == 0)
4235                         wpa_s->set_sta_uapsd = 0;
4236                 else {
4237                         int be, bk, vi, vo;
4238                         char *pos;
4239                         /* format: BE,BK,VI,VO;max SP Length */
4240                         be = atoi(param);
4241                         pos = os_strchr(param, ',');
4242                         if (pos == NULL)
4243                                 return -1;
4244                         pos++;
4245                         bk = atoi(pos);
4246                         pos = os_strchr(pos, ',');
4247                         if (pos == NULL)
4248                                 return -1;
4249                         pos++;
4250                         vi = atoi(pos);
4251                         pos = os_strchr(pos, ',');
4252                         if (pos == NULL)
4253                                 return -1;
4254                         pos++;
4255                         vo = atoi(pos);
4256                         /* ignore max SP Length for now */
4257
4258                         wpa_s->set_sta_uapsd = 1;
4259                         wpa_s->sta_uapsd = 0;
4260                         if (be)
4261                                 wpa_s->sta_uapsd |= BIT(0);
4262                         if (bk)
4263                                 wpa_s->sta_uapsd |= BIT(1);
4264                         if (vi)
4265                                 wpa_s->sta_uapsd |= BIT(2);
4266                         if (vo)
4267                                 wpa_s->sta_uapsd |= BIT(3);
4268                 }
4269                 return 0;
4270         }
4271
4272         if (os_strcmp(cmd, "disallow_freq") == 0)
4273                 return p2p_ctrl_disallow_freq(wpa_s, param);
4274
4275         if (os_strcmp(cmd, "disc_int") == 0) {
4276                 int min_disc_int, max_disc_int, max_disc_tu;
4277                 char *pos;
4278
4279                 pos = param;
4280
4281                 min_disc_int = atoi(pos);
4282                 pos = os_strchr(pos, ' ');
4283                 if (pos == NULL)
4284                         return -1;
4285                 *pos++ = '\0';
4286
4287                 max_disc_int = atoi(pos);
4288                 pos = os_strchr(pos, ' ');
4289                 if (pos == NULL)
4290                         return -1;
4291                 *pos++ = '\0';
4292
4293                 max_disc_tu = atoi(pos);
4294
4295                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4296                                         max_disc_int, max_disc_tu);
4297         }
4298
4299         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4300                    cmd);
4301
4302         return -1;
4303 }
4304
4305
4306 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4307 {
4308         char *pos, *pos2;
4309         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4310
4311         if (cmd[0]) {
4312                 pos = os_strchr(cmd, ' ');
4313                 if (pos == NULL)
4314                         return -1;
4315                 *pos++ = '\0';
4316                 dur1 = atoi(cmd);
4317
4318                 pos2 = os_strchr(pos, ' ');
4319                 if (pos2)
4320                         *pos2++ = '\0';
4321                 int1 = atoi(pos);
4322         } else
4323                 pos2 = NULL;
4324
4325         if (pos2) {
4326                 pos = os_strchr(pos2, ' ');
4327                 if (pos == NULL)
4328                         return -1;
4329                 *pos++ = '\0';
4330                 dur2 = atoi(pos2);
4331                 int2 = atoi(pos);
4332         }
4333
4334         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4335 }
4336
4337
4338 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4339 {
4340         char *pos;
4341         unsigned int period = 0, interval = 0;
4342
4343         if (cmd[0]) {
4344                 pos = os_strchr(cmd, ' ');
4345                 if (pos == NULL)
4346                         return -1;
4347                 *pos++ = '\0';
4348                 period = atoi(cmd);
4349                 interval = atoi(pos);
4350         }
4351
4352         return wpas_p2p_ext_listen(wpa_s, period, interval);
4353 }
4354
4355 #endif /* CONFIG_P2P */
4356
4357
4358 #ifdef CONFIG_INTERWORKING
4359 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4360 {
4361         u8 bssid[ETH_ALEN];
4362         struct wpa_bss *bss;
4363
4364         if (hwaddr_aton(dst, bssid)) {
4365                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4366                 return -1;
4367         }
4368
4369         bss = wpa_bss_get_bssid(wpa_s, bssid);
4370         if (bss == NULL) {
4371                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4372                            MAC2STR(bssid));
4373                 return -1;
4374         }
4375
4376         return interworking_connect(wpa_s, bss);
4377 }
4378
4379
4380 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4381 {
4382         u8 dst_addr[ETH_ALEN];
4383         int used;
4384         char *pos;
4385 #define MAX_ANQP_INFO_ID 100
4386         u16 id[MAX_ANQP_INFO_ID];
4387         size_t num_id = 0;
4388
4389         used = hwaddr_aton2(dst, dst_addr);
4390         if (used < 0)
4391                 return -1;
4392         pos = dst + used;
4393         while (num_id < MAX_ANQP_INFO_ID) {
4394                 id[num_id] = atoi(pos);
4395                 if (id[num_id])
4396                         num_id++;
4397                 pos = os_strchr(pos + 1, ',');
4398                 if (pos == NULL)
4399                         break;
4400                 pos++;
4401         }
4402
4403         if (num_id == 0)
4404                 return -1;
4405
4406         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4407 }
4408
4409
4410 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4411 {
4412         u8 dst_addr[ETH_ALEN];
4413         struct wpabuf *advproto, *query = NULL;
4414         int used, ret = -1;
4415         char *pos, *end;
4416         size_t len;
4417
4418         used = hwaddr_aton2(cmd, dst_addr);
4419         if (used < 0)
4420                 return -1;
4421
4422         pos = cmd + used;
4423         while (*pos == ' ')
4424                 pos++;
4425
4426         /* Advertisement Protocol ID */
4427         end = os_strchr(pos, ' ');
4428         if (end)
4429                 len = end - pos;
4430         else
4431                 len = os_strlen(pos);
4432         if (len & 0x01)
4433                 return -1;
4434         len /= 2;
4435         if (len == 0)
4436                 return -1;
4437         advproto = wpabuf_alloc(len);
4438         if (advproto == NULL)
4439                 return -1;
4440         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4441                 goto fail;
4442
4443         if (end) {
4444                 /* Optional Query Request */
4445                 pos = end + 1;
4446                 while (*pos == ' ')
4447                         pos++;
4448
4449                 len = os_strlen(pos);
4450                 if (len) {
4451                         if (len & 0x01)
4452                                 goto fail;
4453                         len /= 2;
4454                         if (len == 0)
4455                                 goto fail;
4456                         query = wpabuf_alloc(len);
4457                         if (query == NULL)
4458                                 goto fail;
4459                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4460                                 goto fail;
4461                 }
4462         }
4463
4464         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4465
4466 fail:
4467         wpabuf_free(advproto);
4468         wpabuf_free(query);
4469
4470         return ret;
4471 }
4472
4473
4474 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4475                             size_t buflen)
4476 {
4477         u8 addr[ETH_ALEN];
4478         int dialog_token;
4479         int used;
4480         char *pos;
4481         size_t resp_len, start, requested_len;
4482
4483         if (!wpa_s->last_gas_resp)
4484                 return -1;
4485
4486         used = hwaddr_aton2(cmd, addr);
4487         if (used < 0)
4488                 return -1;
4489
4490         pos = cmd + used;
4491         while (*pos == ' ')
4492                 pos++;
4493         dialog_token = atoi(pos);
4494
4495         if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4496             dialog_token != wpa_s->last_gas_dialog_token)
4497                 return -1;
4498
4499         resp_len = wpabuf_len(wpa_s->last_gas_resp);
4500         start = 0;
4501         requested_len = resp_len;
4502
4503         pos = os_strchr(pos, ' ');
4504         if (pos) {
4505                 start = atoi(pos);
4506                 if (start > resp_len)
4507                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4508                 pos = os_strchr(pos, ',');
4509                 if (pos == NULL)
4510                         return -1;
4511                 pos++;
4512                 requested_len = atoi(pos);
4513                 if (start + requested_len > resp_len)
4514                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4515         }
4516
4517         if (requested_len * 2 + 1 > buflen)
4518                 return os_snprintf(buf, buflen, "FAIL-Too long response");
4519
4520         return wpa_snprintf_hex(buf, buflen,
4521                                 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4522                                 requested_len);
4523 }
4524 #endif /* CONFIG_INTERWORKING */
4525
4526
4527 #ifdef CONFIG_HS20
4528
4529 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4530 {
4531         u8 dst_addr[ETH_ALEN];
4532         int used;
4533         char *pos;
4534         u32 subtypes = 0;
4535
4536         used = hwaddr_aton2(dst, dst_addr);
4537         if (used < 0)
4538                 return -1;
4539         pos = dst + used;
4540         for (;;) {
4541                 int num = atoi(pos);
4542                 if (num <= 0 || num > 31)
4543                         return -1;
4544                 subtypes |= BIT(num);
4545                 pos = os_strchr(pos + 1, ',');
4546                 if (pos == NULL)
4547                         break;
4548                 pos++;
4549         }
4550
4551         if (subtypes == 0)
4552                 return -1;
4553
4554         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4555 }
4556
4557
4558 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4559                                     const u8 *addr, const char *realm)
4560 {
4561         u8 *buf;
4562         size_t rlen, len;
4563         int ret;
4564
4565         rlen = os_strlen(realm);
4566         len = 3 + rlen;
4567         buf = os_malloc(len);
4568         if (buf == NULL)
4569                 return -1;
4570         buf[0] = 1; /* NAI Home Realm Count */
4571         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4572         buf[2] = rlen;
4573         os_memcpy(buf + 3, realm, rlen);
4574
4575         ret = hs20_anqp_send_req(wpa_s, addr,
4576                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4577                                  buf, len);
4578
4579         os_free(buf);
4580
4581         return ret;
4582 }
4583
4584
4585 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4586                                         char *dst)
4587 {
4588         struct wpa_cred *cred = wpa_s->conf->cred;
4589         u8 dst_addr[ETH_ALEN];
4590         int used;
4591         u8 *buf;
4592         size_t len;
4593         int ret;
4594
4595         used = hwaddr_aton2(dst, dst_addr);
4596         if (used < 0)
4597                 return -1;
4598
4599         while (dst[used] == ' ')
4600                 used++;
4601         if (os_strncmp(dst + used, "realm=", 6) == 0)
4602                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4603                                                 dst + used + 6);
4604
4605         len = os_strlen(dst + used);
4606
4607         if (len == 0 && cred && cred->realm)
4608                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4609
4610         if (len % 1)
4611                 return -1;
4612         len /= 2;
4613         buf = os_malloc(len);
4614         if (buf == NULL)
4615                 return -1;
4616         if (hexstr2bin(dst + used, buf, len) < 0) {
4617                 os_free(buf);
4618                 return -1;
4619         }
4620
4621         ret = hs20_anqp_send_req(wpa_s, dst_addr,
4622                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4623                                  buf, len);
4624         os_free(buf);
4625
4626         return ret;
4627 }
4628
4629 #endif /* CONFIG_HS20 */
4630
4631
4632 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4633         struct wpa_supplicant *wpa_s, char *cmd)
4634 {
4635         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4636         return 0;
4637 }
4638
4639
4640 #ifdef CONFIG_AUTOSCAN
4641
4642 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4643                                               char *cmd)
4644 {
4645         enum wpa_states state = wpa_s->wpa_state;
4646         char *new_params = NULL;
4647
4648         if (os_strlen(cmd) > 0) {
4649                 new_params = os_strdup(cmd);
4650                 if (new_params == NULL)
4651                         return -1;
4652         }
4653
4654         os_free(wpa_s->conf->autoscan);
4655         wpa_s->conf->autoscan = new_params;
4656
4657         if (wpa_s->conf->autoscan == NULL)
4658                 autoscan_deinit(wpa_s);
4659         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4660                 autoscan_init(wpa_s, 1);
4661         else if (state == WPA_SCANNING)
4662                 wpa_supplicant_reinit_autoscan(wpa_s);
4663
4664         return 0;
4665 }
4666
4667 #endif /* CONFIG_AUTOSCAN */
4668
4669
4670 #ifdef CONFIG_WNM
4671
4672 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
4673 {
4674         int enter;
4675         int intval = 0;
4676         char *pos;
4677         int ret;
4678         struct wpabuf *tfs_req = NULL;
4679
4680         if (os_strncmp(cmd, "enter", 5) == 0)
4681                 enter = 1;
4682         else if (os_strncmp(cmd, "exit", 4) == 0)
4683                 enter = 0;
4684         else
4685                 return -1;
4686
4687         pos = os_strstr(cmd, " interval=");
4688         if (pos)
4689                 intval = atoi(pos + 10);
4690
4691         pos = os_strstr(cmd, " tfs_req=");
4692         if (pos) {
4693                 char *end;
4694                 size_t len;
4695                 pos += 9;
4696                 end = os_strchr(pos, ' ');
4697                 if (end)
4698                         len = end - pos;
4699                 else
4700                         len = os_strlen(pos);
4701                 if (len & 1)
4702                         return -1;
4703                 len /= 2;
4704                 tfs_req = wpabuf_alloc(len);
4705                 if (tfs_req == NULL)
4706                         return -1;
4707                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
4708                         wpabuf_free(tfs_req);
4709                         return -1;
4710                 }
4711         }
4712
4713         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
4714                                            WNM_SLEEP_MODE_EXIT, intval,
4715                                            tfs_req);
4716         wpabuf_free(tfs_req);
4717
4718         return ret;
4719 }
4720
4721 #endif /* CONFIG_WNM */
4722
4723
4724 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
4725                                       size_t buflen)
4726 {
4727         struct wpa_signal_info si;
4728         int ret;
4729
4730         ret = wpa_drv_signal_poll(wpa_s, &si);
4731         if (ret)
4732                 return -1;
4733
4734         ret = os_snprintf(buf, buflen, "RSSI=%d\nLINKSPEED=%d\n"
4735                           "NOISE=%d\nFREQUENCY=%u\n",
4736                           si.current_signal, si.current_txrate / 1000,
4737                           si.current_noise, si.frequency);
4738         if (ret < 0 || (unsigned int) ret > buflen)
4739                 return -1;
4740         return ret;
4741 }
4742
4743
4744 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
4745                                       size_t buflen)
4746 {
4747         struct hostap_sta_driver_data sta;
4748         int ret;
4749
4750         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
4751         if (ret)
4752                 return -1;
4753
4754         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
4755                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
4756         if (ret < 0 || (size_t) ret > buflen)
4757                 return -1;
4758         return ret;
4759 }
4760
4761
4762 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
4763                                          char *buf, size_t *resp_len)
4764 {
4765         char *reply;
4766         const int reply_size = 4096;
4767         int ctrl_rsp = 0;
4768         int reply_len;
4769
4770         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
4771             os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
4772             os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
4773             os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
4774                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
4775                                       (const u8 *) buf, os_strlen(buf));
4776         } else {
4777                 int level = MSG_DEBUG;
4778                 if (os_strcmp(buf, "PING") == 0)
4779                         level = MSG_EXCESSIVE;
4780                 wpa_hexdump_ascii(level, "RX ctrl_iface",
4781                                   (const u8 *) buf, os_strlen(buf));
4782                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
4783         }
4784
4785         reply = os_malloc(reply_size);
4786         if (reply == NULL) {
4787                 *resp_len = 1;
4788                 return NULL;
4789         }
4790
4791         os_memcpy(reply, "OK\n", 3);
4792         reply_len = 3;
4793
4794         if (os_strcmp(buf, "PING") == 0) {
4795                 os_memcpy(reply, "PONG\n", 5);
4796                 reply_len = 5;
4797         } else if (os_strcmp(buf, "IFNAME") == 0) {
4798                 reply_len = os_strlen(wpa_s->ifname);
4799                 os_memcpy(reply, wpa_s->ifname, reply_len);
4800         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
4801                 if (wpa_debug_reopen_file() < 0)
4802                         reply_len = -1;
4803         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
4804                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
4805         } else if (os_strcmp(buf, "MIB") == 0) {
4806                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
4807                 if (reply_len >= 0) {
4808                         int res;
4809                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
4810                                                reply_size - reply_len);
4811                         if (res < 0)
4812                                 reply_len = -1;
4813                         else
4814                                 reply_len += res;
4815                 }
4816         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
4817                 reply_len = wpa_supplicant_ctrl_iface_status(
4818                         wpa_s, buf + 6, reply, reply_size);
4819         } else if (os_strcmp(buf, "PMKSA") == 0) {
4820                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
4821                                                     reply_size);
4822         } else if (os_strncmp(buf, "SET ", 4) == 0) {
4823                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
4824                         reply_len = -1;
4825         } else if (os_strncmp(buf, "GET ", 4) == 0) {
4826                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
4827                                                           reply, reply_size);
4828         } else if (os_strcmp(buf, "LOGON") == 0) {
4829                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
4830         } else if (os_strcmp(buf, "LOGOFF") == 0) {
4831                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
4832         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
4833                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4834                         reply_len = -1;
4835                 else
4836                         wpas_request_connection(wpa_s);
4837         } else if (os_strcmp(buf, "RECONNECT") == 0) {
4838                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4839                         reply_len = -1;
4840                 else if (wpa_s->disconnected)
4841                         wpas_request_connection(wpa_s);
4842 #ifdef IEEE8021X_EAPOL
4843         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
4844                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
4845                         reply_len = -1;
4846 #endif /* IEEE8021X_EAPOL */
4847 #ifdef CONFIG_PEERKEY
4848         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
4849                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
4850                         reply_len = -1;
4851 #endif /* CONFIG_PEERKEY */
4852 #ifdef CONFIG_IEEE80211R
4853         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
4854                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
4855                         reply_len = -1;
4856 #endif /* CONFIG_IEEE80211R */
4857 #ifdef CONFIG_WPS
4858         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
4859                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
4860                 if (res == -2) {
4861                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4862                         reply_len = 17;
4863                 } else if (res)
4864                         reply_len = -1;
4865         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
4866                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
4867                 if (res == -2) {
4868                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4869                         reply_len = 17;
4870                 } else if (res)
4871                         reply_len = -1;
4872         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
4873                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
4874                                                               reply,
4875                                                               reply_size);
4876         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
4877                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
4878                         wpa_s, buf + 14, reply, reply_size);
4879         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
4880                 if (wpas_wps_cancel(wpa_s))
4881                         reply_len = -1;
4882 #ifdef CONFIG_WPS_NFC
4883         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
4884                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
4885                         reply_len = -1;
4886         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
4887                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
4888                         reply_len = -1;
4889         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
4890                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
4891                         wpa_s, buf + 14, reply, reply_size);
4892         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
4893                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
4894                                                                buf + 17))
4895                         reply_len = -1;
4896         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
4897                 reply_len = wpas_ctrl_nfc_get_handover_req(
4898                         wpa_s, buf + 21, reply, reply_size);
4899         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
4900                 reply_len = wpas_ctrl_nfc_get_handover_sel(
4901                         wpa_s, buf + 21, reply, reply_size);
4902         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
4903                 reply_len = wpas_ctrl_nfc_rx_handover_req(
4904                         wpa_s, buf + 20, reply, reply_size);
4905         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
4906                 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
4907                         reply_len = -1;
4908 #endif /* CONFIG_WPS_NFC */
4909         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
4910                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
4911                         reply_len = -1;
4912 #ifdef CONFIG_AP
4913         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
4914                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
4915                         wpa_s, buf + 11, reply, reply_size);
4916 #endif /* CONFIG_AP */
4917 #ifdef CONFIG_WPS_ER
4918         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
4919                 if (wpas_wps_er_start(wpa_s, NULL))
4920                         reply_len = -1;
4921         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
4922                 if (wpas_wps_er_start(wpa_s, buf + 13))
4923                         reply_len = -1;
4924         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
4925                 if (wpas_wps_er_stop(wpa_s))
4926                         reply_len = -1;
4927         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
4928                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
4929                         reply_len = -1;
4930         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
4931                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
4932                 if (ret == -2) {
4933                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4934                         reply_len = 17;
4935                 } else if (ret == -3) {
4936                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
4937                         reply_len = 18;
4938                 } else if (ret == -4) {
4939                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
4940                         reply_len = 20;
4941                 } else if (ret)
4942                         reply_len = -1;
4943         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
4944                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
4945                         reply_len = -1;
4946         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
4947                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
4948                                                                 buf + 18))
4949                         reply_len = -1;
4950         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
4951                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
4952                         reply_len = -1;
4953 #ifdef CONFIG_WPS_NFC
4954         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
4955                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
4956                         wpa_s, buf + 24, reply, reply_size);
4957 #endif /* CONFIG_WPS_NFC */
4958 #endif /* CONFIG_WPS_ER */
4959 #endif /* CONFIG_WPS */
4960 #ifdef CONFIG_IBSS_RSN
4961         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
4962                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
4963                         reply_len = -1;
4964 #endif /* CONFIG_IBSS_RSN */
4965 #ifdef CONFIG_P2P
4966         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
4967                 if (p2p_ctrl_find(wpa_s, buf + 9))
4968                         reply_len = -1;
4969         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
4970                 if (p2p_ctrl_find(wpa_s, ""))
4971                         reply_len = -1;
4972         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
4973                 wpas_p2p_stop_find(wpa_s);
4974         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
4975                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
4976                                              reply_size);
4977         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
4978                 if (p2p_ctrl_listen(wpa_s, buf + 11))
4979                         reply_len = -1;
4980         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
4981                 if (p2p_ctrl_listen(wpa_s, ""))
4982                         reply_len = -1;
4983         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
4984                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
4985                         reply_len = -1;
4986         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
4987                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0))
4988                         reply_len = -1;
4989         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
4990                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
4991                         reply_len = -1;
4992         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
4993                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
4994                         reply_len = -1;
4995         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
4996                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
4997         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
4998                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
4999                                                    reply_size);
5000         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
5001                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
5002                         reply_len = -1;
5003         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
5004                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
5005                         reply_len = -1;
5006         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
5007                 wpas_p2p_sd_service_update(wpa_s);
5008         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
5009                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
5010                         reply_len = -1;
5011         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
5012                 wpas_p2p_service_flush(wpa_s);
5013         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
5014                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
5015                         reply_len = -1;
5016         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
5017                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
5018                         reply_len = -1;
5019         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
5020                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
5021                         reply_len = -1;
5022         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
5023                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
5024                         reply_len = -1;
5025         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
5026                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
5027                                               reply_size);
5028         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
5029                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
5030                         reply_len = -1;
5031         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
5032                 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5033                 wpa_s->force_long_sd = 0;
5034                 if (wpa_s->global->p2p)
5035                         p2p_flush(wpa_s->global->p2p);
5036         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
5037                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
5038                         reply_len = -1;
5039         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
5040                 if (wpas_p2p_cancel(wpa_s))
5041                         reply_len = -1;
5042         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
5043                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
5044                         reply_len = -1;
5045         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
5046                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
5047                         reply_len = -1;
5048         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
5049                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
5050                         reply_len = -1;
5051         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
5052                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
5053                         reply_len = -1;
5054 #endif /* CONFIG_P2P */
5055 #ifdef CONFIG_WIFI_DISPLAY
5056         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
5057                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
5058                         reply_len = -1;
5059         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
5060                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
5061                                                      reply, reply_size);
5062 #endif /* CONFIG_WIFI_DISPLAY */
5063 #ifdef CONFIG_INTERWORKING
5064         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
5065                 if (interworking_fetch_anqp(wpa_s) < 0)
5066                         reply_len = -1;
5067         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
5068                 interworking_stop_fetch_anqp(wpa_s);
5069         } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
5070                 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
5071                                         NULL) < 0)
5072                         reply_len = -1;
5073         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
5074                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
5075                         reply_len = -1;
5076         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
5077                 if (get_anqp(wpa_s, buf + 9) < 0)
5078                         reply_len = -1;
5079         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
5080                 if (gas_request(wpa_s, buf + 12) < 0)
5081                         reply_len = -1;
5082         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
5083                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
5084                                              reply_size);
5085 #endif /* CONFIG_INTERWORKING */
5086 #ifdef CONFIG_HS20
5087         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
5088                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
5089                         reply_len = -1;
5090         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
5091                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
5092                         reply_len = -1;
5093 #endif /* CONFIG_HS20 */
5094         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
5095         {
5096                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
5097                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
5098                         reply_len = -1;
5099                 else
5100                         ctrl_rsp = 1;
5101         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
5102                 if (wpa_supplicant_reload_configuration(wpa_s))
5103                         reply_len = -1;
5104         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5105                 wpa_supplicant_terminate_proc(wpa_s->global);
5106         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
5107                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
5108                         reply_len = -1;
5109         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
5110                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
5111                         wpa_s, buf + 9, reply, reply_size);
5112         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
5113                 reply_len = wpa_supplicant_ctrl_iface_log_level(
5114                         wpa_s, buf + 9, reply, reply_size);
5115         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
5116                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
5117                         wpa_s, reply, reply_size);
5118         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
5119 #ifdef CONFIG_SME
5120                 wpa_s->sme.prev_bssid_set = 0;
5121 #endif /* CONFIG_SME */
5122                 wpa_s->reassociate = 0;
5123                 wpa_s->disconnected = 1;
5124                 wpa_supplicant_cancel_sched_scan(wpa_s);
5125                 wpa_supplicant_cancel_scan(wpa_s);
5126                 wpa_supplicant_deauthenticate(wpa_s,
5127                                               WLAN_REASON_DEAUTH_LEAVING);
5128         } else if (os_strcmp(buf, "SCAN") == 0 ||
5129                    os_strncmp(buf, "SCAN ", 5) == 0) {
5130                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5131                         reply_len = -1;
5132                 else {
5133                         if (os_strlen(buf) > 4 &&
5134                             os_strncasecmp(buf + 5, "TYPE=ONLY", 9) == 0)
5135                                 wpa_s->scan_res_handler = scan_only_handler;
5136                         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5137                             ((wpa_s->wpa_state <= WPA_SCANNING) ||
5138                              (wpa_s->wpa_state == WPA_COMPLETED))) {
5139                                 wpa_s->normal_scans = 0;
5140                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5141                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5142                         } else if (wpa_s->sched_scanning) {
5143                                 wpa_printf(MSG_DEBUG, "Stop ongoing "
5144                                            "sched_scan to allow requested "
5145                                            "full scan to proceed");
5146                                 wpa_supplicant_cancel_sched_scan(wpa_s);
5147                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5148                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5149                         } else {
5150                                 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
5151                                            "reject new request");
5152                                 reply_len = os_snprintf(reply, reply_size,
5153                                                         "FAIL-BUSY\n");
5154                         }
5155                 }
5156         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
5157                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
5158                         wpa_s, reply, reply_size);
5159         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
5160                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
5161                         reply_len = -1;
5162         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
5163                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
5164                         reply_len = -1;
5165         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
5166                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
5167                         reply_len = -1;
5168         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
5169                 reply_len = wpa_supplicant_ctrl_iface_add_network(
5170                         wpa_s, reply, reply_size);
5171         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
5172                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
5173                         reply_len = -1;
5174         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5175                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
5176                         reply_len = -1;
5177         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
5178                 reply_len = wpa_supplicant_ctrl_iface_get_network(
5179                         wpa_s, buf + 12, reply, reply_size);
5180         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
5181                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
5182                         wpa_s, reply, reply_size);
5183         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
5184                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
5185                         wpa_s, reply, reply_size);
5186         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
5187                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
5188                         reply_len = -1;
5189         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
5190                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
5191                         reply_len = -1;
5192 #ifndef CONFIG_NO_CONFIG_WRITE
5193         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
5194                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
5195                         reply_len = -1;
5196 #endif /* CONFIG_NO_CONFIG_WRITE */
5197         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
5198                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
5199                         wpa_s, buf + 15, reply, reply_size);
5200         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
5201                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
5202                         reply_len = -1;
5203         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
5204                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
5205                         reply_len = -1;
5206         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5207                 reply_len = wpa_supplicant_global_iface_list(
5208                         wpa_s->global, reply, reply_size);
5209         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5210                 reply_len = wpa_supplicant_global_iface_interfaces(
5211                         wpa_s->global, reply, reply_size);
5212         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
5213                 reply_len = wpa_supplicant_ctrl_iface_bss(
5214                         wpa_s, buf + 4, reply, reply_size);
5215 #ifdef CONFIG_AP
5216         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
5217                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
5218         } else if (os_strncmp(buf, "STA ", 4) == 0) {
5219                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
5220                                               reply_size);
5221         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
5222                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
5223                                                    reply_size);
5224         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
5225                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
5226                         reply_len = -1;
5227         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
5228                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
5229                         reply_len = -1;
5230 #endif /* CONFIG_AP */
5231         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5232                 wpas_notify_suspend(wpa_s->global);
5233         } else if (os_strcmp(buf, "RESUME") == 0) {
5234                 wpas_notify_resume(wpa_s->global);
5235         } else if (os_strcmp(buf, "DROP_SA") == 0) {
5236                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
5237         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
5238                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
5239                         reply_len = -1;
5240         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
5241                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
5242                         reply_len = -1;
5243         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
5244                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
5245                         reply_len = -1;
5246         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
5247                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
5248                                                                buf + 17))
5249                         reply_len = -1;
5250         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
5251                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
5252                         reply_len = -1;
5253 #ifdef CONFIG_TDLS
5254         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
5255                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
5256                         reply_len = -1;
5257         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
5258                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
5259                         reply_len = -1;
5260         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
5261                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
5262                         reply_len = -1;
5263 #endif /* CONFIG_TDLS */
5264         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
5265                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
5266                                                        reply_size);
5267         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
5268                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
5269                                                        reply_size);
5270 #ifdef CONFIG_AUTOSCAN
5271         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
5272                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
5273                         reply_len = -1;
5274 #endif /* CONFIG_AUTOSCAN */
5275         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
5276                 pmksa_cache_clear_current(wpa_s->wpa);
5277                 eapol_sm_request_reauth(wpa_s->eapol);
5278 #ifdef CONFIG_WNM
5279         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
5280                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
5281                         reply_len = -1;
5282 #endif /* CONFIG_WNM */
5283         } else {
5284                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5285                 reply_len = 16;
5286         }
5287
5288         if (reply_len < 0) {
5289                 os_memcpy(reply, "FAIL\n", 5);
5290                 reply_len = 5;
5291         }
5292
5293         if (ctrl_rsp)
5294                 eapol_sm_notify_ctrl_response(wpa_s->eapol);
5295
5296         *resp_len = reply_len;
5297         return reply;
5298 }
5299
5300
5301 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
5302                                            char *cmd)
5303 {
5304         struct wpa_interface iface;
5305         char *pos;
5306
5307         /*
5308          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
5309          * TAB<bridge_ifname>
5310          */
5311         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
5312
5313         os_memset(&iface, 0, sizeof(iface));
5314
5315         do {
5316                 iface.ifname = pos = cmd;
5317                 pos = os_strchr(pos, '\t');
5318                 if (pos)
5319                         *pos++ = '\0';
5320                 if (iface.ifname[0] == '\0')
5321                         return -1;
5322                 if (pos == NULL)
5323                         break;
5324
5325                 iface.confname = pos;
5326                 pos = os_strchr(pos, '\t');
5327                 if (pos)
5328                         *pos++ = '\0';
5329                 if (iface.confname[0] == '\0')
5330                         iface.confname = NULL;
5331                 if (pos == NULL)
5332                         break;
5333
5334                 iface.driver = pos;
5335                 pos = os_strchr(pos, '\t');
5336                 if (pos)
5337                         *pos++ = '\0';
5338                 if (iface.driver[0] == '\0')
5339                         iface.driver = NULL;
5340                 if (pos == NULL)
5341                         break;
5342
5343                 iface.ctrl_interface = pos;
5344                 pos = os_strchr(pos, '\t');
5345                 if (pos)
5346                         *pos++ = '\0';
5347                 if (iface.ctrl_interface[0] == '\0')
5348                         iface.ctrl_interface = NULL;
5349                 if (pos == NULL)
5350                         break;
5351
5352                 iface.driver_param = pos;
5353                 pos = os_strchr(pos, '\t');
5354                 if (pos)
5355                         *pos++ = '\0';
5356                 if (iface.driver_param[0] == '\0')
5357                         iface.driver_param = NULL;
5358                 if (pos == NULL)
5359                         break;
5360
5361                 iface.bridge_ifname = pos;
5362                 pos = os_strchr(pos, '\t');
5363                 if (pos)
5364                         *pos++ = '\0';
5365                 if (iface.bridge_ifname[0] == '\0')
5366                         iface.bridge_ifname = NULL;
5367                 if (pos == NULL)
5368                         break;
5369         } while (0);
5370
5371         if (wpa_supplicant_get_iface(global, iface.ifname))
5372                 return -1;
5373
5374         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
5375 }
5376
5377
5378 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
5379                                               char *cmd)
5380 {
5381         struct wpa_supplicant *wpa_s;
5382
5383         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
5384
5385         wpa_s = wpa_supplicant_get_iface(global, cmd);
5386         if (wpa_s == NULL)
5387                 return -1;
5388         return wpa_supplicant_remove_iface(global, wpa_s, 0);
5389 }
5390
5391
5392 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5393 {
5394         struct wpa_interface_info *prev;
5395
5396         while (iface) {
5397                 prev = iface;
5398                 iface = iface->next;
5399
5400                 os_free(prev->ifname);
5401                 os_free(prev->desc);
5402                 os_free(prev);
5403         }
5404 }
5405
5406
5407 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5408                                             char *buf, int len)
5409 {
5410         int i, res;
5411         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5412         char *pos, *end;
5413
5414         for (i = 0; wpa_drivers[i]; i++) {
5415                 struct wpa_driver_ops *drv = wpa_drivers[i];
5416                 if (drv->get_interfaces == NULL)
5417                         continue;
5418                 tmp = drv->get_interfaces(global->drv_priv[i]);
5419                 if (tmp == NULL)
5420                         continue;
5421
5422                 if (last == NULL)
5423                         iface = last = tmp;
5424                 else
5425                         last->next = tmp;
5426                 while (last->next)
5427                         last = last->next;
5428         }
5429
5430         pos = buf;
5431         end = buf + len;
5432         for (tmp = iface; tmp; tmp = tmp->next) {
5433                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5434                                   tmp->drv_name, tmp->ifname,
5435                                   tmp->desc ? tmp->desc : "");
5436                 if (res < 0 || res >= end - pos) {
5437                         *pos = '\0';
5438                         break;
5439                 }
5440                 pos += res;
5441         }
5442
5443         wpa_free_iface_info(iface);
5444
5445         return pos - buf;
5446 }
5447
5448
5449 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5450                                                   char *buf, int len)
5451 {
5452         int res;
5453         char *pos, *end;
5454         struct wpa_supplicant *wpa_s;
5455
5456         wpa_s = global->ifaces;
5457         pos = buf;
5458         end = buf + len;
5459
5460         while (wpa_s) {
5461                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5462                 if (res < 0 || res >= end - pos) {
5463                         *pos = '\0';
5464                         break;
5465                 }
5466                 pos += res;
5467                 wpa_s = wpa_s->next;
5468         }
5469         return pos - buf;
5470 }
5471
5472
5473 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
5474                                                 char *buf, size_t *resp_len)
5475 {
5476         char *reply;
5477         const int reply_size = 2048;
5478         int reply_len;
5479         int level = MSG_DEBUG;
5480
5481         if (os_strcmp(buf, "PING") == 0)
5482                 level = MSG_EXCESSIVE;
5483         wpa_hexdump_ascii(level, "RX global ctrl_iface",
5484                           (const u8 *) buf, os_strlen(buf));
5485
5486         reply = os_malloc(reply_size);
5487         if (reply == NULL) {
5488                 *resp_len = 1;
5489                 return NULL;
5490         }
5491
5492         os_memcpy(reply, "OK\n", 3);
5493         reply_len = 3;
5494
5495         if (os_strcmp(buf, "PING") == 0) {
5496                 os_memcpy(reply, "PONG\n", 5);
5497                 reply_len = 5;
5498         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
5499                 if (wpa_supplicant_global_iface_add(global, buf + 14))
5500                         reply_len = -1;
5501         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
5502                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
5503                         reply_len = -1;
5504         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5505                 reply_len = wpa_supplicant_global_iface_list(
5506                         global, reply, reply_size);
5507         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5508                 reply_len = wpa_supplicant_global_iface_interfaces(
5509                         global, reply, reply_size);
5510         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5511                 wpa_supplicant_terminate_proc(global);
5512         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5513                 wpas_notify_suspend(global);
5514         } else if (os_strcmp(buf, "RESUME") == 0) {
5515                 wpas_notify_resume(global);
5516         } else {
5517                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5518                 reply_len = 16;
5519         }
5520
5521         if (reply_len < 0) {
5522                 os_memcpy(reply, "FAIL\n", 5);
5523                 reply_len = 5;
5524         }
5525
5526         *resp_len = reply_len;
5527         return reply;
5528 }