wpa_supplicant/ctrl_iface.c

   1 /*
   2  * WPA Supplicant / Control interface (shared code for all backends)
   3  * Copyright (c) 2004-2012, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10
  11 #include "utils/common.h"
  12 #include "utils/eloop.h"
  13 #include "common/version.h"
  14 #include "common/ieee802_11_defs.h"
  15 #include "common/ieee802_11_common.h"
  16 #include "common/wpa_ctrl.h"
  17 #include "eap_peer/eap.h"
  18 #include "eapol_supp/eapol_supp_sm.h"
  19 #include "rsn_supp/wpa.h"
  20 #include "rsn_supp/preauth.h"
  21 #include "rsn_supp/pmksa_cache.h"
  22 #include "l2_packet/l2_packet.h"
  23 #include "wps/wps.h"
  24 #include "config.h"
  25 #include "wpa_supplicant_i.h"
  26 #include "driver_i.h"
  27 #include "wps_supplicant.h"
  28 #include "ibss_rsn.h"
  29 #include "ap.h"
  30 #include "p2p_supplicant.h"
  31 #include "p2p/p2p.h"
  32 #include "hs20_supplicant.h"
  33 #include "wifi_display.h"
  34 #include "notify.h"
  35 #include "bss.h"
  36 #include "scan.h"
  37 #include "ctrl_iface.h"
  38 #include "interworking.h"
  39 #include "blacklist.h"
  40 #include "autoscan.h"
  41 #include "wnm_sta.h"
  42
  43 extern struct wpa_driver_ops *wpa_drivers[];
  44
  45 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
  46                                             char *buf, int len);
  47 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
  48                                                   char *buf, int len);
  49
  50
  51 static int pno_start(struct wpa_supplicant *wpa_s)
  52 {
  53         int ret;
  54         size_t i, num_ssid;
  55         struct wpa_ssid *ssid;
  56         struct wpa_driver_scan_params params;
  57
  58         if (wpa_s->pno)
  59                 return 0;
  60
  61         if (wpa_s->wpa_state == WPA_SCANNING) {
  62                 wpa_supplicant_cancel_sched_scan(wpa_s);
  63                 wpa_supplicant_cancel_scan(wpa_s);
  64         }
  65
  66         os_memset(&params, 0, sizeof(params));
  67
  68         num_ssid = 0;
  69         ssid = wpa_s->conf->ssid;
  70         while (ssid) {
  71                 if (!wpas_network_disabled(wpa_s, ssid))
  72                         num_ssid++;
  73                 ssid = ssid->next;
  74         }
  75         if (num_ssid > WPAS_MAX_SCAN_SSIDS) {
  76                 wpa_printf(MSG_DEBUG, "PNO: Use only the first %u SSIDs from "
  77                            "%u", WPAS_MAX_SCAN_SSIDS, (unsigned int) num_ssid);
  78                 num_ssid = WPAS_MAX_SCAN_SSIDS;
  79         }
  80
  81         if (num_ssid == 0) {
  82                 wpa_printf(MSG_DEBUG, "PNO: No configured SSIDs");
  83                 return -1;
  84         }
  85
  86         params.filter_ssids = os_malloc(sizeof(struct wpa_driver_scan_filter) *
  87                                         num_ssid);
  88         if (params.filter_ssids == NULL)
  89                 return -1;
  90         i = 0;
  91         ssid = wpa_s->conf->ssid;
  92         while (ssid) {
  93                 if (!wpas_network_disabled(wpa_s, ssid)) {
  94                         params.ssids[i].ssid = ssid->ssid;
  95                         params.ssids[i].ssid_len = ssid->ssid_len;
  96                         params.num_ssids++;
  97                         os_memcpy(params.filter_ssids[i].ssid, ssid->ssid,
  98                                   ssid->ssid_len);
  99                         params.filter_ssids[i].ssid_len = ssid->ssid_len;
 100                         params.num_filter_ssids++;
 101                         i++;
 102                         if (i == num_ssid)
 103                                 break;
 104                 }
 105                 ssid = ssid->next;
 106         }
 107
 108         if (wpa_s->conf->filter_rssi)
 109                 params.filter_rssi = wpa_s->conf->filter_rssi;
 110
 111         ret = wpa_drv_sched_scan(wpa_s, &params, 10 * 1000);
 112         os_free(params.filter_ssids);
 113         if (ret == 0)
 114                 wpa_s->pno = 1;
 115         return ret;
 116 }
 117
 118
 119 static int pno_stop(struct wpa_supplicant *wpa_s)
 120 {
 121         int ret = 0;
 122
 123         if (wpa_s->pno) {
 124                 wpa_s->pno = 0;
 125                 ret = wpa_drv_stop_sched_scan(wpa_s);
 126         }
 127
 128         if (wpa_s->wpa_state == WPA_SCANNING)
 129                 wpa_supplicant_req_scan(wpa_s, 0, 0);
 130
 131         return ret;
 132 }
 133
 134
 135 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
 136 {
 137         char *pos;
 138         u8 addr[ETH_ALEN], *filter = NULL, *n;
 139         size_t count = 0;
 140
 141         pos = val;
 142         while (pos) {
 143                 if (*pos == '\0')
 144                         break;
 145                 if (hwaddr_aton(pos, addr)) {
 146                         os_free(filter);
 147                         return -1;
 148                 }
 149                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
 150                 if (n == NULL) {
 151                         os_free(filter);
 152                         return -1;
 153                 }
 154                 filter = n;
 155                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
 156                 count++;
 157
 158                 pos = os_strchr(pos, ' ');
 159                 if (pos)
 160                         pos++;
 161         }
 162
 163         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
 164         os_free(wpa_s->bssid_filter);
 165         wpa_s->bssid_filter = filter;
 166         wpa_s->bssid_filter_count = count;
 167
 168         return 0;
 169 }
 170
 171
 172 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
 173 {
 174         char *pos;
 175         u8 addr[ETH_ALEN], *bssid = NULL, *n;
 176         struct wpa_ssid_value *ssid = NULL, *ns;
 177         size_t count = 0, ssid_count = 0;
 178         struct wpa_ssid *c;
 179
 180         /*
 181          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | “”
 182          * SSID_SPEC ::= ssid <SSID_HEX>
 183          * BSSID_SPEC ::= bssid <BSSID_HEX>
 184          */
 185
 186         pos = val;
 187         while (pos) {
 188                 if (*pos == '\0')
 189                         break;
 190                 if (os_strncmp(pos, "bssid ", 6) == 0) {
 191                         int res;
 192                         pos += 6;
 193                         res = hwaddr_aton2(pos, addr);
 194                         if (res < 0) {
 195                                 os_free(ssid);
 196                                 os_free(bssid);
 197                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 198                                            "BSSID value '%s'", pos);
 199                                 return -1;
 200                         }
 201                         pos += res;
 202                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
 203                         if (n == NULL) {
 204                                 os_free(ssid);
 205                                 os_free(bssid);
 206                                 return -1;
 207                         }
 208                         bssid = n;
 209                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
 210                         count++;
 211                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
 212                         char *end;
 213                         pos += 5;
 214
 215                         end = pos;
 216                         while (*end) {
 217                                 if (*end == '\0' || *end == ' ')
 218                                         break;
 219                                 end++;
 220                         }
 221
 222                         ns = os_realloc_array(ssid, ssid_count + 1,
 223                                               sizeof(struct wpa_ssid_value));
 224                         if (ns == NULL) {
 225                                 os_free(ssid);
 226                                 os_free(bssid);
 227                                 return -1;
 228                         }
 229                         ssid = ns;
 230
 231                         if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
 232                             hexstr2bin(pos, ssid[ssid_count].ssid,
 233                                        (end - pos) / 2) < 0) {
 234                                 os_free(ssid);
 235                                 os_free(bssid);
 236                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 237                                            "SSID value '%s'", pos);
 238                                 return -1;
 239                         }
 240                         ssid[ssid_count].ssid_len = (end - pos) / 2;
 241                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
 242                                           ssid[ssid_count].ssid,
 243                                           ssid[ssid_count].ssid_len);
 244                         ssid_count++;
 245                         pos = end;
 246                 } else {
 247                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
 248                                    "'%s'", pos);
 249                         os_free(ssid);
 250                         os_free(bssid);
 251                         return -1;
 252                 }
 253
 254                 pos = os_strchr(pos, ' ');
 255                 if (pos)
 256                         pos++;
 257         }
 258
 259         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
 260         os_free(wpa_s->disallow_aps_bssid);
 261         wpa_s->disallow_aps_bssid = bssid;
 262         wpa_s->disallow_aps_bssid_count = count;
 263
 264         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
 265         os_free(wpa_s->disallow_aps_ssid);
 266         wpa_s->disallow_aps_ssid = ssid;
 267         wpa_s->disallow_aps_ssid_count = ssid_count;
 268
 269         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
 270                 return 0;
 271
 272         c = wpa_s->current_ssid;
 273         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
 274                 return 0;
 275
 276         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
 277             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
 278                 return 0;
 279
 280         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
 281                    "because current AP was marked disallowed");
 282
 283 #ifdef CONFIG_SME
 284         wpa_s->sme.prev_bssid_set = 0;
 285 #endif /* CONFIG_SME */
 286         wpa_s->reassociate = 1;
 287         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
 288         wpa_supplicant_req_scan(wpa_s, 0, 0);
 289
 290         return 0;
 291 }
 292
 293
 294 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
 295                                          char *cmd)
 296 {
 297         char *value;
 298         int ret = 0;
 299
 300         value = os_strchr(cmd, ' ');
 301         if (value == NULL)
 302                 return -1;
 303         *value++ = '\0';
 304
 305         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
 306         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
 307                 eapol_sm_configure(wpa_s->eapol,
 308                                    atoi(value), -1, -1, -1);
 309         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
 310                 eapol_sm_configure(wpa_s->eapol,
 311                                    -1, atoi(value), -1, -1);
 312         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
 313                 eapol_sm_configure(wpa_s->eapol,
 314                                    -1, -1, atoi(value), -1);
 315         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
 316                 eapol_sm_configure(wpa_s->eapol,
 317                                    -1, -1, -1, atoi(value));
 318         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
 319                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
 320                                      atoi(value)))
 321                         ret = -1;
 322         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
 323                    0) {
 324                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
 325                                      atoi(value)))
 326                         ret = -1;
 327         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
 328                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
 329                         ret = -1;
 330         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
 331                 wpa_s->wps_fragment_size = atoi(value);
 332 #ifdef CONFIG_WPS_TESTING
 333         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
 334                 long int val;
 335                 val = strtol(value, NULL, 0);
 336                 if (val < 0 || val > 0xff) {
 337                         ret = -1;
 338                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
 339                                    "wps_version_number %ld", val);
 340                 } else {
 341                         wps_version_number = val;
 342                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
 343                                    "version %u.%u",
 344                                    (wps_version_number & 0xf0) >> 4,
 345                                    wps_version_number & 0x0f);
 346                 }
 347         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
 348                 wps_testing_dummy_cred = atoi(value);
 349                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
 350                            wps_testing_dummy_cred);
 351 #endif /* CONFIG_WPS_TESTING */
 352         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
 353                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
 354                         ret = -1;
 355 #ifdef CONFIG_TDLS_TESTING
 356         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
 357                 extern unsigned int tdls_testing;
 358                 tdls_testing = strtol(value, NULL, 0);
 359                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
 360 #endif /* CONFIG_TDLS_TESTING */
 361 #ifdef CONFIG_TDLS
 362         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
 363                 int disabled = atoi(value);
 364                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
 365                 if (disabled) {
 366                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
 367                                 ret = -1;
 368                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
 369                         ret = -1;
 370                 wpa_tdls_enable(wpa_s->wpa, !disabled);
 371 #endif /* CONFIG_TDLS */
 372         } else if (os_strcasecmp(cmd, "pno") == 0) {
 373                 if (atoi(value))
 374                         ret = pno_start(wpa_s);
 375                 else
 376                         ret = pno_stop(wpa_s);
 377         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
 378                 int disabled = atoi(value);
 379                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
 380                         ret = -1;
 381                 else if (disabled)
 382                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
 383         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
 384                 if (os_strcmp(value, "disable") == 0)
 385                         wpa_s->set_sta_uapsd = 0;
 386                 else {
 387                         int be, bk, vi, vo;
 388                         char *pos;
 389                         /* format: BE,BK,VI,VO;max SP Length */
 390                         be = atoi(value);
 391                         pos = os_strchr(value, ',');
 392                         if (pos == NULL)
 393                                 return -1;
 394                         pos++;
 395                         bk = atoi(pos);
 396                         pos = os_strchr(pos, ',');
 397                         if (pos == NULL)
 398                                 return -1;
 399                         pos++;
 400                         vi = atoi(pos);
 401                         pos = os_strchr(pos, ',');
 402                         if (pos == NULL)
 403                                 return -1;
 404                         pos++;
 405                         vo = atoi(pos);
 406                         /* ignore max SP Length for now */
 407
 408                         wpa_s->set_sta_uapsd = 1;
 409                         wpa_s->sta_uapsd = 0;
 410                         if (be)
 411                                 wpa_s->sta_uapsd |= BIT(0);
 412                         if (bk)
 413                                 wpa_s->sta_uapsd |= BIT(1);
 414                         if (vi)
 415                                 wpa_s->sta_uapsd |= BIT(2);
 416                         if (vo)
 417                                 wpa_s->sta_uapsd |= BIT(3);
 418                 }
 419         } else if (os_strcasecmp(cmd, "ps") == 0) {
 420                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
 421 #ifdef CONFIG_WIFI_DISPLAY
 422         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 423                 wifi_display_enable(wpa_s->global, !!atoi(value));
 424 #endif /* CONFIG_WIFI_DISPLAY */
 425         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
 426                 ret = set_bssid_filter(wpa_s, value);
 427         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
 428                 ret = set_disallow_aps(wpa_s, value);
 429         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
 430                 wpa_s->no_keep_alive = !!atoi(value);
 431         } else {
 432                 value[-1] = '=';
 433                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
 434                 if (ret == 0)
 435                         wpa_supplicant_update_config(wpa_s);
 436         }
 437
 438         return ret;
 439 }
 440
 441
 442 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
 443                                          char *cmd, char *buf, size_t buflen)
 444 {
 445         int res = -1;
 446
 447         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
 448
 449         if (os_strcmp(cmd, "version") == 0) {
 450                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
 451         } else if (os_strcasecmp(cmd, "country") == 0) {
 452                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
 453                         res = os_snprintf(buf, buflen, "%c%c",
 454                                           wpa_s->conf->country[0],
 455                                           wpa_s->conf->country[1]);
 456 #ifdef CONFIG_WIFI_DISPLAY
 457         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 458                 res = os_snprintf(buf, buflen, "%d",
 459                                   wpa_s->global->wifi_display);
 460                 if (res < 0 || (unsigned int) res >= buflen)
 461                         return -1;
 462                 return res;
 463 #endif /* CONFIG_WIFI_DISPLAY */
 464         }
 465
 466         if (res < 0 || (unsigned int) res >= buflen)
 467                 return -1;
 468         return res;
 469 }
 470
 471
 472 #ifdef IEEE8021X_EAPOL
 473 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
 474                                              char *addr)
 475 {
 476         u8 bssid[ETH_ALEN];
 477         struct wpa_ssid *ssid = wpa_s->current_ssid;
 478
 479         if (hwaddr_aton(addr, bssid)) {
 480                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
 481                            "'%s'", addr);
 482                 return -1;
 483         }
 484
 485         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
 486         rsn_preauth_deinit(wpa_s->wpa);
 487         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
 488                 return -1;
 489
 490         return 0;
 491 }
 492 #endif /* IEEE8021X_EAPOL */
 493
 494
 495 #ifdef CONFIG_PEERKEY
 496 /* MLME-STKSTART.request(peer) */
 497 static int wpa_supplicant_ctrl_iface_stkstart(
 498         struct wpa_supplicant *wpa_s, char *addr)
 499 {
 500         u8 peer[ETH_ALEN];
 501
 502         if (hwaddr_aton(addr, peer)) {
 503                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
 504                            "address '%s'", addr);
 505                 return -1;
 506         }
 507
 508         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
 509                    MAC2STR(peer));
 510
 511         return wpa_sm_stkstart(wpa_s->wpa, peer);
 512 }
 513 #endif /* CONFIG_PEERKEY */
 514
 515
 516 #ifdef CONFIG_TDLS
 517
 518 static int wpa_supplicant_ctrl_iface_tdls_discover(
 519         struct wpa_supplicant *wpa_s, char *addr)
 520 {
 521         u8 peer[ETH_ALEN];
 522         int ret;
 523
 524         if (hwaddr_aton(addr, peer)) {
 525                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
 526                            "address '%s'", addr);
 527                 return -1;
 528         }
 529
 530         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
 531                    MAC2STR(peer));
 532
 533         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 534                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
 535         else
 536                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
 537
 538         return ret;
 539 }
 540
 541
 542 static int wpa_supplicant_ctrl_iface_tdls_setup(
 543         struct wpa_supplicant *wpa_s, char *addr)
 544 {
 545         u8 peer[ETH_ALEN];
 546         int ret;
 547
 548         if (hwaddr_aton(addr, peer)) {
 549                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
 550                            "address '%s'", addr);
 551                 return -1;
 552         }
 553
 554         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
 555                    MAC2STR(peer));
 556
 557         wpa_tdls_remove(wpa_s->wpa, peer);
 558
 559         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 560                 ret = wpa_tdls_start(wpa_s->wpa, peer);
 561         else
 562                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 563
 564         return ret;
 565 }
 566
 567
 568 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 569         struct wpa_supplicant *wpa_s, char *addr)
 570 {
 571         u8 peer[ETH_ALEN];
 572
 573         if (hwaddr_aton(addr, peer)) {
 574                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 575                            "address '%s'", addr);
 576                 return -1;
 577         }
 578
 579         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 580                    MAC2STR(peer));
 581
 582         return wpa_tdls_teardown_link(wpa_s->wpa, peer,
 583                                       WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 584 }
 585
 586 #endif /* CONFIG_TDLS */
 587
 588
 589 #ifdef CONFIG_IEEE80211R
 590 static int wpa_supplicant_ctrl_iface_ft_ds(
 591         struct wpa_supplicant *wpa_s, char *addr)
 592 {
 593         u8 target_ap[ETH_ALEN];
 594         struct wpa_bss *bss;
 595         const u8 *mdie;
 596
 597         if (hwaddr_aton(addr, target_ap)) {
 598                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 599                            "address '%s'", addr);
 600                 return -1;
 601         }
 602
 603         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 604
 605         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 606         if (bss)
 607                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 608         else
 609                 mdie = NULL;
 610
 611         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 612 }
 613 #endif /* CONFIG_IEEE80211R */
 614
 615
 616 #ifdef CONFIG_WPS
 617 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 618                                              char *cmd)
 619 {
 620         u8 bssid[ETH_ALEN], *_bssid = bssid;
 621 #ifdef CONFIG_P2P
 622         u8 p2p_dev_addr[ETH_ALEN];
 623 #endif /* CONFIG_P2P */
 624 #ifdef CONFIG_AP
 625         u8 *_p2p_dev_addr = NULL;
 626 #endif /* CONFIG_AP */
 627
 628         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 629                 _bssid = NULL;
 630 #ifdef CONFIG_P2P
 631         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 632                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 633                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 634                                    "P2P Device Address '%s'",
 635                                    cmd + 13);
 636                         return -1;
 637                 }
 638                 _p2p_dev_addr = p2p_dev_addr;
 639 #endif /* CONFIG_P2P */
 640         } else if (hwaddr_aton(cmd, bssid)) {
 641                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 642                            cmd);
 643                 return -1;
 644         }
 645
 646 #ifdef CONFIG_AP
 647         if (wpa_s->ap_iface)
 648                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 649 #endif /* CONFIG_AP */
 650
 651         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 652 }
 653
 654
 655 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 656                                              char *cmd, char *buf,
 657                                              size_t buflen)
 658 {
 659         u8 bssid[ETH_ALEN], *_bssid = bssid;
 660         char *pin;
 661         int ret;
 662
 663         pin = os_strchr(cmd, ' ');
 664         if (pin)
 665                 *pin++ = '\0';
 666
 667         if (os_strcmp(cmd, "any") == 0)
 668                 _bssid = NULL;
 669         else if (os_strcmp(cmd, "get") == 0) {
 670                 ret = wps_generate_pin();
 671                 goto done;
 672         } else if (hwaddr_aton(cmd, bssid)) {
 673                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 674                            cmd);
 675                 return -1;
 676         }
 677
 678 #ifdef CONFIG_AP
 679         if (wpa_s->ap_iface) {
 680                 int timeout = 0;
 681                 char *pos;
 682
 683                 if (pin) {
 684                         pos = os_strchr(pin, ' ');
 685                         if (pos) {
 686                                 *pos++ = '\0';
 687                                 timeout = atoi(pos);
 688                         }
 689                 }
 690
 691                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 692                                                  buf, buflen, timeout);
 693         }
 694 #endif /* CONFIG_AP */
 695
 696         if (pin) {
 697                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 698                                          DEV_PW_DEFAULT);
 699                 if (ret < 0)
 700                         return -1;
 701                 ret = os_snprintf(buf, buflen, "%s", pin);
 702                 if (ret < 0 || (size_t) ret >= buflen)
 703                         return -1;
 704                 return ret;
 705         }
 706
 707         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 708         if (ret < 0)
 709                 return -1;
 710
 711 done:
 712         /* Return the generated PIN */
 713         ret = os_snprintf(buf, buflen, "%08d", ret);
 714         if (ret < 0 || (size_t) ret >= buflen)
 715                 return -1;
 716         return ret;
 717 }
 718
 719
 720 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 721         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 722 {
 723         char pin[9];
 724         size_t len;
 725         char *pos;
 726         int ret;
 727
 728         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
 729                               (u8 *) cmd, os_strlen(cmd));
 730         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
 731                 if (*pos < '0' || *pos > '9')
 732                         continue;
 733                 pin[len++] = *pos;
 734                 if (len == 9) {
 735                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
 736                         return -1;
 737                 }
 738         }
 739         if (len != 4 && len != 8) {
 740                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
 741                 return -1;
 742         }
 743         pin[len] = '\0';
 744
 745         if (len == 8) {
 746                 unsigned int pin_val;
 747                 pin_val = atoi(pin);
 748                 if (!wps_pin_valid(pin_val)) {
 749                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
 750                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
 751                         if (ret < 0 || (size_t) ret >= buflen)
 752                                 return -1;
 753                         return ret;
 754                 }
 755         }
 756
 757         ret = os_snprintf(buf, buflen, "%s", pin);
 758         if (ret < 0 || (size_t) ret >= buflen)
 759                 return -1;
 760
 761         return ret;
 762 }
 763
 764
 765 #ifdef CONFIG_WPS_NFC
 766
 767 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
 768                                              char *cmd)
 769 {
 770         u8 bssid[ETH_ALEN], *_bssid = bssid;
 771
 772         if (cmd == NULL || cmd[0] == '\0')
 773                 _bssid = NULL;
 774         else if (hwaddr_aton(cmd, bssid))
 775                 return -1;
 776
 777         return wpas_wps_start_nfc(wpa_s, _bssid);
 778 }
 779
 780
 781 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
 782         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 783 {
 784         int ndef;
 785         struct wpabuf *buf;
 786         int res;
 787
 788         if (os_strcmp(cmd, "WPS") == 0)
 789                 ndef = 0;
 790         else if (os_strcmp(cmd, "NDEF") == 0)
 791                 ndef = 1;
 792         else
 793                 return -1;
 794
 795         buf = wpas_wps_nfc_config_token(wpa_s, ndef);
 796         if (buf == NULL)
 797                 return -1;
 798
 799         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 800                                          wpabuf_len(buf));
 801         reply[res++] = '\n';
 802         reply[res] = '\0';
 803
 804         wpabuf_free(buf);
 805
 806         return res;
 807 }
 808
 809
 810 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
 811         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 812 {
 813         int ndef;
 814         struct wpabuf *buf;
 815         int res;
 816
 817         if (os_strcmp(cmd, "WPS") == 0)
 818                 ndef = 0;
 819         else if (os_strcmp(cmd, "NDEF") == 0)
 820                 ndef = 1;
 821         else
 822                 return -1;
 823
 824         buf = wpas_wps_nfc_token(wpa_s, ndef);
 825         if (buf == NULL)
 826                 return -1;
 827
 828         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 829                                          wpabuf_len(buf));
 830         reply[res++] = '\n';
 831         reply[res] = '\0';
 832
 833         wpabuf_free(buf);
 834
 835         return res;
 836 }
 837
 838
 839 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
 840         struct wpa_supplicant *wpa_s, char *pos)
 841 {
 842         size_t len;
 843         struct wpabuf *buf;
 844         int ret;
 845
 846         len = os_strlen(pos);
 847         if (len & 0x01)
 848                 return -1;
 849         len /= 2;
 850
 851         buf = wpabuf_alloc(len);
 852         if (buf == NULL)
 853                 return -1;
 854         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
 855                 wpabuf_free(buf);
 856                 return -1;
 857         }
 858
 859         ret = wpas_wps_nfc_tag_read(wpa_s, buf);
 860         wpabuf_free(buf);
 861
 862         return ret;
 863 }
 864
 865
 866 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
 867                                               char *reply, size_t max_len,
 868                                               int cr)
 869 {
 870         struct wpabuf *buf;
 871         int res;
 872
 873         buf = wpas_wps_nfc_handover_req(wpa_s, cr);
 874         if (buf == NULL)
 875                 return -1;
 876
 877         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 878                                          wpabuf_len(buf));
 879         reply[res++] = '\n';
 880         reply[res] = '\0';
 881
 882         wpabuf_free(buf);
 883
 884         return res;
 885 }
 886
 887
 888 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
 889                                           char *cmd, char *reply,
 890                                           size_t max_len)
 891 {
 892         char *pos;
 893
 894         pos = os_strchr(cmd, ' ');
 895         if (pos == NULL)
 896                 return -1;
 897         *pos++ = '\0';
 898
 899         if (os_strcmp(cmd, "NDEF") != 0)
 900                 return -1;
 901
 902         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
 903                 return wpas_ctrl_nfc_get_handover_req_wps(
 904                         wpa_s, reply, max_len, os_strcmp(pos, "WPS-CR") == 0);
 905         }
 906
 907         return -1;
 908 }
 909
 910
 911 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
 912                                               char *reply, size_t max_len,
 913                                               int ndef, int cr, char *uuid)
 914 {
 915         struct wpabuf *buf;
 916         int res;
 917
 918         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
 919         if (buf == NULL)
 920                 return -1;
 921
 922         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 923                                          wpabuf_len(buf));
 924         reply[res++] = '\n';
 925         reply[res] = '\0';
 926
 927         wpabuf_free(buf);
 928
 929         return res;
 930 }
 931
 932
 933 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
 934                                           char *cmd, char *reply,
 935                                           size_t max_len)
 936 {
 937         char *pos, *pos2;
 938         int ndef;
 939
 940         pos = os_strchr(cmd, ' ');
 941         if (pos == NULL)
 942                 return -1;
 943         *pos++ = '\0';
 944
 945         if (os_strcmp(cmd, "WPS") == 0)
 946                 ndef = 0;
 947         else if (os_strcmp(cmd, "NDEF") == 0)
 948                 ndef = 1;
 949         else
 950                 return -1;
 951
 952         pos2 = os_strchr(pos, ' ');
 953         if (pos2)
 954                 *pos2++ = '\0';
 955         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
 956                 return wpas_ctrl_nfc_get_handover_sel_wps(
 957                         wpa_s, reply, max_len, ndef,
 958                         os_strcmp(pos, "WPS-CR") == 0, pos2);
 959         }
 960
 961         return -1;
 962 }
 963
 964
 965 static int wpas_ctrl_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
 966                                          char *cmd, char *reply,
 967                                          size_t max_len)
 968 {
 969         size_t len;
 970         struct wpabuf *buf;
 971         int ret;
 972
 973         len = os_strlen(cmd);
 974         if (len & 0x01)
 975                 return -1;
 976         len /= 2;
 977
 978         buf = wpabuf_alloc(len);
 979         if (buf == NULL)
 980                 return -1;
 981         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
 982                 wpabuf_free(buf);
 983                 return -1;
 984         }
 985
 986         ret = wpas_wps_nfc_rx_handover_req(wpa_s, buf);
 987         wpabuf_free(buf);
 988
 989         return ret;
 990 }
 991
 992
 993 static int wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
 994                                          char *cmd)
 995 {
 996         size_t len;
 997         struct wpabuf *buf;
 998         int ret;
 999
1000         len = os_strlen(cmd);
1001         if (len & 0x01)
1002                 return -1;
1003         len /= 2;
1004
1005         buf = wpabuf_alloc(len);
1006         if (buf == NULL)
1007                 return -1;
1008         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
1009                 wpabuf_free(buf);
1010                 return -1;
1011         }
1012
1013         ret = wpas_wps_nfc_rx_handover_sel(wpa_s, buf);
1014         wpabuf_free(buf);
1015
1016         return ret;
1017 }
1018
1019
1020 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1021                                          char *cmd)
1022 {
1023         size_t len;
1024         struct wpabuf *req, *sel;
1025         int ret;
1026         char *pos, *role, *type, *pos2;
1027
1028         role = cmd;
1029         pos = os_strchr(role, ' ');
1030         if (pos == NULL)
1031                 return -1;
1032         *pos++ = '\0';
1033
1034         type = pos;
1035         pos = os_strchr(type, ' ');
1036         if (pos == NULL)
1037                 return -1;
1038         *pos++ = '\0';
1039
1040         pos2 = os_strchr(pos, ' ');
1041         if (pos2 == NULL)
1042                 return -1;
1043         *pos2++ = '\0';
1044
1045         len = os_strlen(pos);
1046         if (len & 0x01)
1047                 return -1;
1048         len /= 2;
1049
1050         req = wpabuf_alloc(len);
1051         if (req == NULL)
1052                 return -1;
1053         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1054                 wpabuf_free(req);
1055                 return -1;
1056         }
1057
1058         len = os_strlen(pos2);
1059         if (len & 0x01) {
1060                 wpabuf_free(req);
1061                 return -1;
1062         }
1063         len /= 2;
1064
1065         sel = wpabuf_alloc(len);
1066         if (sel == NULL) {
1067                 wpabuf_free(req);
1068                 return -1;
1069         }
1070         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1071                 wpabuf_free(req);
1072                 wpabuf_free(sel);
1073                 return -1;
1074         }
1075
1076         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1077                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1078         } else {
1079                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1080                            "reported: role=%s type=%s", role, type);
1081                 ret = -1;
1082         }
1083         wpabuf_free(req);
1084         wpabuf_free(sel);
1085
1086         return ret;
1087 }
1088
1089 #endif /* CONFIG_WPS_NFC */
1090
1091
1092 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1093                                              char *cmd)
1094 {
1095         u8 bssid[ETH_ALEN];
1096         char *pin;
1097         char *new_ssid;
1098         char *new_auth;
1099         char *new_encr;
1100         char *new_key;
1101         struct wps_new_ap_settings ap;
1102
1103         pin = os_strchr(cmd, ' ');
1104         if (pin == NULL)
1105                 return -1;
1106         *pin++ = '\0';
1107
1108         if (hwaddr_aton(cmd, bssid)) {
1109                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1110                            cmd);
1111                 return -1;
1112         }
1113
1114         new_ssid = os_strchr(pin, ' ');
1115         if (new_ssid == NULL)
1116                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1117         *new_ssid++ = '\0';
1118
1119         new_auth = os_strchr(new_ssid, ' ');
1120         if (new_auth == NULL)
1121                 return -1;
1122         *new_auth++ = '\0';
1123
1124         new_encr = os_strchr(new_auth, ' ');
1125         if (new_encr == NULL)
1126                 return -1;
1127         *new_encr++ = '\0';
1128
1129         new_key = os_strchr(new_encr, ' ');
1130         if (new_key == NULL)
1131                 return -1;
1132         *new_key++ = '\0';
1133
1134         os_memset(&ap, 0, sizeof(ap));
1135         ap.ssid_hex = new_ssid;
1136         ap.auth = new_auth;
1137         ap.encr = new_encr;
1138         ap.key_hex = new_key;
1139         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1140 }
1141
1142
1143 #ifdef CONFIG_AP
1144 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1145                                                 char *cmd, char *buf,
1146                                                 size_t buflen)
1147 {
1148         int timeout = 300;
1149         char *pos;
1150         const char *pin_txt;
1151
1152         if (!wpa_s->ap_iface)
1153                 return -1;
1154
1155         pos = os_strchr(cmd, ' ');
1156         if (pos)
1157                 *pos++ = '\0';
1158
1159         if (os_strcmp(cmd, "disable") == 0) {
1160                 wpas_wps_ap_pin_disable(wpa_s);
1161                 return os_snprintf(buf, buflen, "OK\n");
1162         }
1163
1164         if (os_strcmp(cmd, "random") == 0) {
1165                 if (pos)
1166                         timeout = atoi(pos);
1167                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1168                 if (pin_txt == NULL)
1169                         return -1;
1170                 return os_snprintf(buf, buflen, "%s", pin_txt);
1171         }
1172
1173         if (os_strcmp(cmd, "get") == 0) {
1174                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1175                 if (pin_txt == NULL)
1176                         return -1;
1177                 return os_snprintf(buf, buflen, "%s", pin_txt);
1178         }
1179
1180         if (os_strcmp(cmd, "set") == 0) {
1181                 char *pin;
1182                 if (pos == NULL)
1183                         return -1;
1184                 pin = pos;
1185                 pos = os_strchr(pos, ' ');
1186                 if (pos) {
1187                         *pos++ = '\0';
1188                         timeout = atoi(pos);
1189                 }
1190                 if (os_strlen(pin) > buflen)
1191                         return -1;
1192                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1193                         return -1;
1194                 return os_snprintf(buf, buflen, "%s", pin);
1195         }
1196
1197         return -1;
1198 }
1199 #endif /* CONFIG_AP */
1200
1201
1202 #ifdef CONFIG_WPS_ER
1203 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1204                                                 char *cmd)
1205 {
1206         char *uuid = cmd, *pin, *pos;
1207         u8 addr_buf[ETH_ALEN], *addr = NULL;
1208         pin = os_strchr(uuid, ' ');
1209         if (pin == NULL)
1210                 return -1;
1211         *pin++ = '\0';
1212         pos = os_strchr(pin, ' ');
1213         if (pos) {
1214                 *pos++ = '\0';
1215                 if (hwaddr_aton(pos, addr_buf) == 0)
1216                         addr = addr_buf;
1217         }
1218         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1219 }
1220
1221
1222 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1223                                                   char *cmd)
1224 {
1225         char *uuid = cmd, *pin;
1226         pin = os_strchr(uuid, ' ');
1227         if (pin == NULL)
1228                 return -1;
1229         *pin++ = '\0';
1230         return wpas_wps_er_learn(wpa_s, uuid, pin);
1231 }
1232
1233
1234 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1235         struct wpa_supplicant *wpa_s, char *cmd)
1236 {
1237         char *uuid = cmd, *id;
1238         id = os_strchr(uuid, ' ');
1239         if (id == NULL)
1240                 return -1;
1241         *id++ = '\0';
1242         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1243 }
1244
1245
1246 static int wpa_supplicant_ctrl_iface_wps_er_config(
1247         struct wpa_supplicant *wpa_s, char *cmd)
1248 {
1249         char *pin;
1250         char *new_ssid;
1251         char *new_auth;
1252         char *new_encr;
1253         char *new_key;
1254         struct wps_new_ap_settings ap;
1255
1256         pin = os_strchr(cmd, ' ');
1257         if (pin == NULL)
1258                 return -1;
1259         *pin++ = '\0';
1260
1261         new_ssid = os_strchr(pin, ' ');
1262         if (new_ssid == NULL)
1263                 return -1;
1264         *new_ssid++ = '\0';
1265
1266         new_auth = os_strchr(new_ssid, ' ');
1267         if (new_auth == NULL)
1268                 return -1;
1269         *new_auth++ = '\0';
1270
1271         new_encr = os_strchr(new_auth, ' ');
1272         if (new_encr == NULL)
1273                 return -1;
1274         *new_encr++ = '\0';
1275
1276         new_key = os_strchr(new_encr, ' ');
1277         if (new_key == NULL)
1278                 return -1;
1279         *new_key++ = '\0';
1280
1281         os_memset(&ap, 0, sizeof(ap));
1282         ap.ssid_hex = new_ssid;
1283         ap.auth = new_auth;
1284         ap.encr = new_encr;
1285         ap.key_hex = new_key;
1286         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1287 }
1288
1289
1290 #ifdef CONFIG_WPS_NFC
1291 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1292         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1293 {
1294         int ndef;
1295         struct wpabuf *buf;
1296         int res;
1297         char *uuid;
1298
1299         uuid = os_strchr(cmd, ' ');
1300         if (uuid == NULL)
1301                 return -1;
1302         *uuid++ = '\0';
1303
1304         if (os_strcmp(cmd, "WPS") == 0)
1305                 ndef = 0;
1306         else if (os_strcmp(cmd, "NDEF") == 0)
1307                 ndef = 1;
1308         else
1309                 return -1;
1310
1311         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1312         if (buf == NULL)
1313                 return -1;
1314
1315         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1316                                          wpabuf_len(buf));
1317         reply[res++] = '\n';
1318         reply[res] = '\0';
1319
1320         wpabuf_free(buf);
1321
1322         return res;
1323 }
1324 #endif /* CONFIG_WPS_NFC */
1325 #endif /* CONFIG_WPS_ER */
1326
1327 #endif /* CONFIG_WPS */
1328
1329
1330 #ifdef CONFIG_IBSS_RSN
1331 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1332         struct wpa_supplicant *wpa_s, char *addr)
1333 {
1334         u8 peer[ETH_ALEN];
1335
1336         if (hwaddr_aton(addr, peer)) {
1337                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1338                            "address '%s'", addr);
1339                 return -1;
1340         }
1341
1342         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1343                    MAC2STR(peer));
1344
1345         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1346 }
1347 #endif /* CONFIG_IBSS_RSN */
1348
1349
1350 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1351                                               char *rsp)
1352 {
1353 #ifdef IEEE8021X_EAPOL
1354         char *pos, *id_pos;
1355         int id;
1356         struct wpa_ssid *ssid;
1357
1358         pos = os_strchr(rsp, '-');
1359         if (pos == NULL)
1360                 return -1;
1361         *pos++ = '\0';
1362         id_pos = pos;
1363         pos = os_strchr(pos, ':');
1364         if (pos == NULL)
1365                 return -1;
1366         *pos++ = '\0';
1367         id = atoi(id_pos);
1368         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1369         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1370                               (u8 *) pos, os_strlen(pos));
1371
1372         ssid = wpa_config_get_network(wpa_s->conf, id);
1373         if (ssid == NULL) {
1374                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1375                            "to update", id);
1376                 return -1;
1377         }
1378
1379         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1380                                                          pos);
1381 #else /* IEEE8021X_EAPOL */
1382         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1383         return -1;
1384 #endif /* IEEE8021X_EAPOL */
1385 }
1386
1387
1388 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1389                                             const char *params,
1390                                             char *buf, size_t buflen)
1391 {
1392         char *pos, *end, tmp[30];
1393         int res, verbose, wps, ret;
1394
1395         verbose = os_strcmp(params, "-VERBOSE") == 0;
1396         wps = os_strcmp(params, "-WPS") == 0;
1397         pos = buf;
1398         end = buf + buflen;
1399         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1400                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1401                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1402                                   MAC2STR(wpa_s->bssid));
1403                 if (ret < 0 || ret >= end - pos)
1404                         return pos - buf;
1405                 pos += ret;
1406                 if (ssid) {
1407                         u8 *_ssid = ssid->ssid;
1408                         size_t ssid_len = ssid->ssid_len;
1409                         u8 ssid_buf[MAX_SSID_LEN];
1410                         if (ssid_len == 0) {
1411                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1412                                 if (_res < 0)
1413                                         ssid_len = 0;
1414                                 else
1415                                         ssid_len = _res;
1416                                 _ssid = ssid_buf;
1417                         }
1418                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1419                                           wpa_ssid_txt(_ssid, ssid_len),
1420                                           ssid->id);
1421                         if (ret < 0 || ret >= end - pos)
1422                                 return pos - buf;
1423                         pos += ret;
1424
1425                         if (wps && ssid->passphrase &&
1426                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1427                             (ssid->mode == WPAS_MODE_AP ||
1428                              ssid->mode == WPAS_MODE_P2P_GO)) {
1429                                 ret = os_snprintf(pos, end - pos,
1430                                                   "passphrase=%s\n",
1431                                                   ssid->passphrase);
1432                                 if (ret < 0 || ret >= end - pos)
1433                                         return pos - buf;
1434                                 pos += ret;
1435                         }
1436                         if (ssid->id_str) {
1437                                 ret = os_snprintf(pos, end - pos,
1438                                                   "id_str=%s\n",
1439                                                   ssid->id_str);
1440                                 if (ret < 0 || ret >= end - pos)
1441                                         return pos - buf;
1442                                 pos += ret;
1443                         }
1444
1445                         switch (ssid->mode) {
1446                         case WPAS_MODE_INFRA:
1447                                 ret = os_snprintf(pos, end - pos,
1448                                                   "mode=station\n");
1449                                 break;
1450                         case WPAS_MODE_IBSS:
1451                                 ret = os_snprintf(pos, end - pos,
1452                                                   "mode=IBSS\n");
1453                                 break;
1454                         case WPAS_MODE_AP:
1455                                 ret = os_snprintf(pos, end - pos,
1456                                                   "mode=AP\n");
1457                                 break;
1458                         case WPAS_MODE_P2P_GO:
1459                                 ret = os_snprintf(pos, end - pos,
1460                                                   "mode=P2P GO\n");
1461                                 break;
1462                         case WPAS_MODE_P2P_GROUP_FORMATION:
1463                                 ret = os_snprintf(pos, end - pos,
1464                                                   "mode=P2P GO - group "
1465                                                   "formation\n");
1466                                 break;
1467                         default:
1468                                 ret = 0;
1469                                 break;
1470                         }
1471                         if (ret < 0 || ret >= end - pos)
1472                                 return pos - buf;
1473                         pos += ret;
1474                 }
1475
1476 #ifdef CONFIG_AP
1477                 if (wpa_s->ap_iface) {
1478                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1479                                                             end - pos,
1480                                                             verbose);
1481                 } else
1482 #endif /* CONFIG_AP */
1483                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1484         }
1485 #ifdef CONFIG_SAE
1486         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1487             wpa_s->sme.sae.state == SAE_ACCEPTED && !wpa_s->ap_iface) {
1488                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1489                                   wpa_s->sme.sae.group);
1490                 if (ret < 0 || ret >= end - pos)
1491                         return pos - buf;
1492                 pos += ret;
1493         }
1494 #endif /* CONFIG_SAE */
1495         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1496                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1497         if (ret < 0 || ret >= end - pos)
1498                 return pos - buf;
1499         pos += ret;
1500
1501         if (wpa_s->l2 &&
1502             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1503                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1504                 if (ret < 0 || ret >= end - pos)
1505                         return pos - buf;
1506                 pos += ret;
1507         }
1508
1509 #ifdef CONFIG_P2P
1510         if (wpa_s->global->p2p) {
1511                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1512                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1513                 if (ret < 0 || ret >= end - pos)
1514                         return pos - buf;
1515                 pos += ret;
1516         }
1517 #endif /* CONFIG_P2P */
1518
1519         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1520                           MAC2STR(wpa_s->own_addr));
1521         if (ret < 0 || ret >= end - pos)
1522                 return pos - buf;
1523         pos += ret;
1524
1525 #ifdef CONFIG_HS20
1526         if (wpa_s->current_bss &&
1527             wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE) &&
1528             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1529             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1530                 ret = os_snprintf(pos, end - pos, "hs20=1\n");
1531                 if (ret < 0 || ret >= end - pos)
1532                         return pos - buf;
1533                 pos += ret;
1534         }
1535
1536         if (wpa_s->current_ssid) {
1537                 struct wpa_cred *cred;
1538                 char *type;
1539
1540                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1541                         if (wpa_s->current_ssid->parent_cred != cred)
1542                                 continue;
1543                         if (!cred->domain)
1544                                 continue;
1545
1546                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1547                                           cred->domain);
1548                         if (ret < 0 || ret >= end - pos)
1549                                 return pos - buf;
1550                         pos += ret;
1551
1552                         if (wpa_s->current_bss == NULL ||
1553                             wpa_s->current_bss->anqp == NULL)
1554                                 res = -1;
1555                         else
1556                                 res = interworking_home_sp_cred(
1557                                         wpa_s, cred,
1558                                         wpa_s->current_bss->anqp->domain_name);
1559                         if (res > 0)
1560                                 type = "home";
1561                         else if (res == 0)
1562                                 type = "roaming";
1563                         else
1564                                 type = "unknown";
1565
1566                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1567                         if (ret < 0 || ret >= end - pos)
1568                                 return pos - buf;
1569                         pos += ret;
1570
1571                         break;
1572                 }
1573         }
1574 #endif /* CONFIG_HS20 */
1575
1576         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1577             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1578                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1579                                           verbose);
1580                 if (res >= 0)
1581                         pos += res;
1582         }
1583
1584         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1585         if (res >= 0)
1586                 pos += res;
1587
1588         return pos - buf;
1589 }
1590
1591
1592 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1593                                            char *cmd)
1594 {
1595         char *pos;
1596         int id;
1597         struct wpa_ssid *ssid;
1598         u8 bssid[ETH_ALEN];
1599
1600         /* cmd: "<network id> <BSSID>" */
1601         pos = os_strchr(cmd, ' ');
1602         if (pos == NULL)
1603                 return -1;
1604         *pos++ = '\0';
1605         id = atoi(cmd);
1606         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1607         if (hwaddr_aton(pos, bssid)) {
1608                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1609                 return -1;
1610         }
1611
1612         ssid = wpa_config_get_network(wpa_s->conf, id);
1613         if (ssid == NULL) {
1614                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1615                            "to update", id);
1616                 return -1;
1617         }
1618
1619         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1620         ssid->bssid_set = !is_zero_ether_addr(bssid);
1621
1622         return 0;
1623 }
1624
1625
1626 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1627                                                char *cmd, char *buf,
1628                                                size_t buflen)
1629 {
1630         u8 bssid[ETH_ALEN];
1631         struct wpa_blacklist *e;
1632         char *pos, *end;
1633         int ret;
1634
1635         /* cmd: "BLACKLIST [<BSSID>]" */
1636         if (*cmd == '\0') {
1637                 pos = buf;
1638                 end = buf + buflen;
1639                 e = wpa_s->blacklist;
1640                 while (e) {
1641                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1642                                           MAC2STR(e->bssid));
1643                         if (ret < 0 || ret >= end - pos)
1644                                 return pos - buf;
1645                         pos += ret;
1646                         e = e->next;
1647                 }
1648                 return pos - buf;
1649         }
1650
1651         cmd++;
1652         if (os_strncmp(cmd, "clear", 5) == 0) {
1653                 wpa_blacklist_clear(wpa_s);
1654                 os_memcpy(buf, "OK\n", 3);
1655                 return 3;
1656         }
1657
1658         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1659         if (hwaddr_aton(cmd, bssid)) {
1660                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1661                 return -1;
1662         }
1663
1664         /*
1665          * Add the BSSID twice, so its count will be 2, causing it to be
1666          * skipped when processing scan results.
1667          */
1668         ret = wpa_blacklist_add(wpa_s, bssid);
1669         if (ret != 0)
1670                 return -1;
1671         ret = wpa_blacklist_add(wpa_s, bssid);
1672         if (ret != 0)
1673                 return -1;
1674         os_memcpy(buf, "OK\n", 3);
1675         return 3;
1676 }
1677
1678
1679 extern int wpa_debug_level;
1680 extern int wpa_debug_timestamp;
1681
1682 static const char * debug_level_str(int level)
1683 {
1684         switch (level) {
1685         case MSG_EXCESSIVE:
1686                 return "EXCESSIVE";
1687         case MSG_MSGDUMP:
1688                 return "MSGDUMP";
1689         case MSG_DEBUG:
1690                 return "DEBUG";
1691         case MSG_INFO:
1692                 return "INFO";
1693         case MSG_WARNING:
1694                 return "WARNING";
1695         case MSG_ERROR:
1696                 return "ERROR";
1697         default:
1698                 return "?";
1699         }
1700 }
1701
1702
1703 static int str_to_debug_level(const char *s)
1704 {
1705         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1706                 return MSG_EXCESSIVE;
1707         if (os_strcasecmp(s, "MSGDUMP") == 0)
1708                 return MSG_MSGDUMP;
1709         if (os_strcasecmp(s, "DEBUG") == 0)
1710                 return MSG_DEBUG;
1711         if (os_strcasecmp(s, "INFO") == 0)
1712                 return MSG_INFO;
1713         if (os_strcasecmp(s, "WARNING") == 0)
1714                 return MSG_WARNING;
1715         if (os_strcasecmp(s, "ERROR") == 0)
1716                 return MSG_ERROR;
1717         return -1;
1718 }
1719
1720
1721 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1722                                                char *cmd, char *buf,
1723                                                size_t buflen)
1724 {
1725         char *pos, *end, *stamp;
1726         int ret;
1727
1728         if (cmd == NULL) {
1729                 return -1;
1730         }
1731
1732         /* cmd: "LOG_LEVEL [<level>]" */
1733         if (*cmd == '\0') {
1734                 pos = buf;
1735                 end = buf + buflen;
1736                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1737                                   "Timestamp: %d\n",
1738                                   debug_level_str(wpa_debug_level),
1739                                   wpa_debug_timestamp);
1740                 if (ret < 0 || ret >= end - pos)
1741                         ret = 0;
1742
1743                 return ret;
1744         }
1745
1746         while (*cmd == ' ')
1747                 cmd++;
1748
1749         stamp = os_strchr(cmd, ' ');
1750         if (stamp) {
1751                 *stamp++ = '\0';
1752                 while (*stamp == ' ') {
1753                         stamp++;
1754                 }
1755         }
1756
1757         if (cmd && os_strlen(cmd)) {
1758                 int level = str_to_debug_level(cmd);
1759                 if (level < 0)
1760                         return -1;
1761                 wpa_debug_level = level;
1762         }
1763
1764         if (stamp && os_strlen(stamp))
1765                 wpa_debug_timestamp = atoi(stamp);
1766
1767         os_memcpy(buf, "OK\n", 3);
1768         return 3;
1769 }
1770
1771
1772 static int wpa_supplicant_ctrl_iface_list_networks(
1773         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1774 {
1775         char *pos, *end;
1776         struct wpa_ssid *ssid;
1777         int ret;
1778
1779         pos = buf;
1780         end = buf + buflen;
1781         ret = os_snprintf(pos, end - pos,
1782                           "network id / ssid / bssid / flags\n");
1783         if (ret < 0 || ret >= end - pos)
1784                 return pos - buf;
1785         pos += ret;
1786
1787         ssid = wpa_s->conf->ssid;
1788         while (ssid) {
1789                 ret = os_snprintf(pos, end - pos, "%d\t%s",
1790                                   ssid->id,
1791                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1792                 if (ret < 0 || ret >= end - pos)
1793                         return pos - buf;
1794                 pos += ret;
1795                 if (ssid->bssid_set) {
1796                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1797                                           MAC2STR(ssid->bssid));
1798                 } else {
1799                         ret = os_snprintf(pos, end - pos, "\tany");
1800                 }
1801                 if (ret < 0 || ret >= end - pos)
1802                         return pos - buf;
1803                 pos += ret;
1804                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
1805                                   ssid == wpa_s->current_ssid ?
1806                                   "[CURRENT]" : "",
1807                                   ssid->disabled ? "[DISABLED]" : "",
1808                                   ssid->disabled_until.sec ?
1809                                   "[TEMP-DISABLED]" : "",
1810                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1811                                   "");
1812                 if (ret < 0 || ret >= end - pos)
1813                         return pos - buf;
1814                 pos += ret;
1815                 ret = os_snprintf(pos, end - pos, "\n");
1816                 if (ret < 0 || ret >= end - pos)
1817                         return pos - buf;
1818                 pos += ret;
1819
1820                 ssid = ssid->next;
1821         }
1822
1823         return pos - buf;
1824 }
1825
1826
1827 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1828 {
1829         int ret;
1830         ret = os_snprintf(pos, end - pos, "-");
1831         if (ret < 0 || ret >= end - pos)
1832                 return pos;
1833         pos += ret;
1834         ret = wpa_write_ciphers(pos, end, cipher, "+");
1835         if (ret < 0)
1836                 return pos;
1837         pos += ret;
1838         return pos;
1839 }
1840
1841
1842 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1843                                     const u8 *ie, size_t ie_len)
1844 {
1845         struct wpa_ie_data data;
1846         int first, ret;
1847
1848         ret = os_snprintf(pos, end - pos, "[%s-", proto);
1849         if (ret < 0 || ret >= end - pos)
1850                 return pos;
1851         pos += ret;
1852
1853         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1854                 ret = os_snprintf(pos, end - pos, "?]");
1855                 if (ret < 0 || ret >= end - pos)
1856                         return pos;
1857                 pos += ret;
1858                 return pos;
1859         }
1860
1861         first = 1;
1862         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1863                 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1864                 if (ret < 0 || ret >= end - pos)
1865                         return pos;
1866                 pos += ret;
1867                 first = 0;
1868         }
1869         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1870                 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1871                 if (ret < 0 || ret >= end - pos)
1872                         return pos;
1873                 pos += ret;
1874                 first = 0;
1875         }
1876         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1877                 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1878                 if (ret < 0 || ret >= end - pos)
1879                         return pos;
1880                 pos += ret;
1881                 first = 0;
1882         }
1883 #ifdef CONFIG_IEEE80211R
1884         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1885                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1886                                   first ? "" : "+");
1887                 if (ret < 0 || ret >= end - pos)
1888                         return pos;
1889                 pos += ret;
1890                 first = 0;
1891         }
1892         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1893                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1894                                   first ? "" : "+");
1895                 if (ret < 0 || ret >= end - pos)
1896                         return pos;
1897                 pos += ret;
1898                 first = 0;
1899         }
1900 #endif /* CONFIG_IEEE80211R */
1901 #ifdef CONFIG_IEEE80211W
1902         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1903                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1904                                   first ? "" : "+");
1905                 if (ret < 0 || ret >= end - pos)
1906                         return pos;
1907                 pos += ret;
1908                 first = 0;
1909         }
1910         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1911                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1912                                   first ? "" : "+");
1913                 if (ret < 0 || ret >= end - pos)
1914                         return pos;
1915                 pos += ret;
1916                 first = 0;
1917         }
1918 #endif /* CONFIG_IEEE80211W */
1919
1920         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1921
1922         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1923                 ret = os_snprintf(pos, end - pos, "-preauth");
1924                 if (ret < 0 || ret >= end - pos)
1925                         return pos;
1926                 pos += ret;
1927         }
1928
1929         ret = os_snprintf(pos, end - pos, "]");
1930         if (ret < 0 || ret >= end - pos)
1931                 return pos;
1932         pos += ret;
1933
1934         return pos;
1935 }
1936
1937
1938 #ifdef CONFIG_WPS
1939 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
1940                                             char *pos, char *end,
1941                                             struct wpabuf *wps_ie)
1942 {
1943         int ret;
1944         const char *txt;
1945
1946         if (wps_ie == NULL)
1947                 return pos;
1948         if (wps_is_selected_pbc_registrar(wps_ie))
1949                 txt = "[WPS-PBC]";
1950 #ifdef CONFIG_WPS2
1951         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
1952                 txt = "[WPS-AUTH]";
1953 #endif /* CONFIG_WPS2 */
1954         else if (wps_is_selected_pin_registrar(wps_ie))
1955                 txt = "[WPS-PIN]";
1956         else
1957                 txt = "[WPS]";
1958
1959         ret = os_snprintf(pos, end - pos, "%s", txt);
1960         if (ret >= 0 && ret < end - pos)
1961                 pos += ret;
1962         wpabuf_free(wps_ie);
1963         return pos;
1964 }
1965 #endif /* CONFIG_WPS */
1966
1967
1968 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
1969                                         char *pos, char *end,
1970                                         const struct wpa_bss *bss)
1971 {
1972 #ifdef CONFIG_WPS
1973         struct wpabuf *wps_ie;
1974         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1975         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
1976 #else /* CONFIG_WPS */
1977         return pos;
1978 #endif /* CONFIG_WPS */
1979 }
1980
1981
1982 /* Format one result on one text line into a buffer. */
1983 static int wpa_supplicant_ctrl_iface_scan_result(
1984         struct wpa_supplicant *wpa_s,
1985         const struct wpa_bss *bss, char *buf, size_t buflen)
1986 {
1987         char *pos, *end;
1988         int ret;
1989         const u8 *ie, *ie2, *p2p;
1990
1991         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
1992         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
1993             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
1994             0)
1995                 return 0; /* Do not show P2P listen discovery results here */
1996
1997         pos = buf;
1998         end = buf + buflen;
1999
2000         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2001                           MAC2STR(bss->bssid), bss->freq, bss->level);
2002         if (ret < 0 || ret >= end - pos)
2003                 return -1;
2004         pos += ret;
2005         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2006         if (ie)
2007                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2008         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2009         if (ie2)
2010                 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
2011         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2012         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2013                 ret = os_snprintf(pos, end - pos, "[WEP]");
2014                 if (ret < 0 || ret >= end - pos)
2015                         return -1;
2016                 pos += ret;
2017         }
2018         if (bss->caps & IEEE80211_CAP_IBSS) {
2019                 ret = os_snprintf(pos, end - pos, "[IBSS]");
2020                 if (ret < 0 || ret >= end - pos)
2021                         return -1;
2022                 pos += ret;
2023         }
2024         if (bss->caps & IEEE80211_CAP_ESS) {
2025                 ret = os_snprintf(pos, end - pos, "[ESS]");
2026                 if (ret < 0 || ret >= end - pos)
2027                         return -1;
2028                 pos += ret;
2029         }
2030         if (p2p) {
2031                 ret = os_snprintf(pos, end - pos, "[P2P]");
2032                 if (ret < 0 || ret >= end - pos)
2033                         return -1;
2034                 pos += ret;
2035         }
2036 #ifdef CONFIG_HS20
2037         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2038                 ret = os_snprintf(pos, end - pos, "[HS20]");
2039                 if (ret < 0 || ret >= end - pos)
2040                         return -1;
2041                 pos += ret;
2042         }
2043 #endif /* CONFIG_HS20 */
2044
2045         ret = os_snprintf(pos, end - pos, "\t%s",
2046                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2047         if (ret < 0 || ret >= end - pos)
2048                 return -1;
2049         pos += ret;
2050
2051         ret = os_snprintf(pos, end - pos, "\n");
2052         if (ret < 0 || ret >= end - pos)
2053                 return -1;
2054         pos += ret;
2055
2056         return pos - buf;
2057 }
2058
2059
2060 static int wpa_supplicant_ctrl_iface_scan_results(
2061         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2062 {
2063         char *pos, *end;
2064         struct wpa_bss *bss;
2065         int ret;
2066
2067         pos = buf;
2068         end = buf + buflen;
2069         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2070                           "flags / ssid\n");
2071         if (ret < 0 || ret >= end - pos)
2072                 return pos - buf;
2073         pos += ret;
2074
2075         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2076                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2077                                                             end - pos);
2078                 if (ret < 0 || ret >= end - pos)
2079                         return pos - buf;
2080                 pos += ret;
2081         }
2082
2083         return pos - buf;
2084 }
2085
2086
2087 static int wpa_supplicant_ctrl_iface_select_network(
2088         struct wpa_supplicant *wpa_s, char *cmd)
2089 {
2090         int id;
2091         struct wpa_ssid *ssid;
2092
2093         /* cmd: "<network id>" or "any" */
2094         if (os_strcmp(cmd, "any") == 0) {
2095                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2096                 ssid = NULL;
2097         } else {
2098                 id = atoi(cmd);
2099                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2100
2101                 ssid = wpa_config_get_network(wpa_s->conf, id);
2102                 if (ssid == NULL) {
2103                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2104                                    "network id=%d", id);
2105                         return -1;
2106                 }
2107                 if (ssid->disabled == 2) {
2108                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2109                                    "SELECT_NETWORK with persistent P2P group");
2110                         return -1;
2111                 }
2112         }
2113
2114         wpa_supplicant_select_network(wpa_s, ssid);
2115
2116         return 0;
2117 }
2118
2119
2120 static int wpa_supplicant_ctrl_iface_enable_network(
2121         struct wpa_supplicant *wpa_s, char *cmd)
2122 {
2123         int id;
2124         struct wpa_ssid *ssid;
2125
2126         /* cmd: "<network id>" or "all" */
2127         if (os_strcmp(cmd, "all") == 0) {
2128                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2129                 ssid = NULL;
2130         } else {
2131                 id = atoi(cmd);
2132                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2133
2134                 ssid = wpa_config_get_network(wpa_s->conf, id);
2135                 if (ssid == NULL) {
2136                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2137                                    "network id=%d", id);
2138                         return -1;
2139                 }
2140                 if (ssid->disabled == 2) {
2141                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2142                                    "ENABLE_NETWORK with persistent P2P group");
2143                         return -1;
2144                 }
2145
2146                 if (os_strstr(cmd, " no-connect")) {
2147                         ssid->disabled = 0;
2148                         return 0;
2149                 }
2150         }
2151         wpa_supplicant_enable_network(wpa_s, ssid);
2152
2153         return 0;
2154 }
2155
2156
2157 static int wpa_supplicant_ctrl_iface_disable_network(
2158         struct wpa_supplicant *wpa_s, char *cmd)
2159 {
2160         int id;
2161         struct wpa_ssid *ssid;
2162
2163         /* cmd: "<network id>" or "all" */
2164         if (os_strcmp(cmd, "all") == 0) {
2165                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2166                 ssid = NULL;
2167         } else {
2168                 id = atoi(cmd);
2169                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2170
2171                 ssid = wpa_config_get_network(wpa_s->conf, id);
2172                 if (ssid == NULL) {
2173                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2174                                    "network id=%d", id);
2175                         return -1;
2176                 }
2177                 if (ssid->disabled == 2) {
2178                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2179                                    "DISABLE_NETWORK with persistent P2P "
2180                                    "group");
2181                         return -1;
2182                 }
2183         }
2184         wpa_supplicant_disable_network(wpa_s, ssid);
2185
2186         return 0;
2187 }
2188
2189
2190 static int wpa_supplicant_ctrl_iface_add_network(
2191         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2192 {
2193         struct wpa_ssid *ssid;
2194         int ret;
2195
2196         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2197
2198         ssid = wpa_config_add_network(wpa_s->conf);
2199         if (ssid == NULL)
2200                 return -1;
2201
2202         wpas_notify_network_added(wpa_s, ssid);
2203
2204         ssid->disabled = 1;
2205         wpa_config_set_network_defaults(ssid);
2206
2207         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2208         if (ret < 0 || (size_t) ret >= buflen)
2209                 return -1;
2210         return ret;
2211 }
2212
2213
2214 static int wpa_supplicant_ctrl_iface_remove_network(
2215         struct wpa_supplicant *wpa_s, char *cmd)
2216 {
2217         int id;
2218         struct wpa_ssid *ssid;
2219         int was_disabled;
2220
2221         /* cmd: "<network id>" or "all" */
2222         if (os_strcmp(cmd, "all") == 0) {
2223                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2224                 if (wpa_s->sched_scanning)
2225                         wpa_supplicant_cancel_sched_scan(wpa_s);
2226
2227                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2228                 if (wpa_s->current_ssid) {
2229 #ifdef CONFIG_SME
2230                         wpa_s->sme.prev_bssid_set = 0;
2231 #endif /* CONFIG_SME */
2232                         wpa_sm_set_config(wpa_s->wpa, NULL);
2233                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2234                         wpa_supplicant_deauthenticate(
2235                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2236                 }
2237                 ssid = wpa_s->conf->ssid;
2238                 while (ssid) {
2239                         struct wpa_ssid *remove_ssid = ssid;
2240                         id = ssid->id;
2241                         ssid = ssid->next;
2242                         wpas_notify_network_removed(wpa_s, remove_ssid);
2243                         wpa_config_remove_network(wpa_s->conf, id);
2244                 }
2245                 return 0;
2246         }
2247
2248         id = atoi(cmd);
2249         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2250
2251         ssid = wpa_config_get_network(wpa_s->conf, id);
2252         if (ssid)
2253                 wpas_notify_network_removed(wpa_s, ssid);
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         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2261 #ifdef CONFIG_SME
2262                 wpa_s->sme.prev_bssid_set = 0;
2263 #endif /* CONFIG_SME */
2264                 /*
2265                  * Invalidate the EAP session cache if the current or
2266                  * previously used network is removed.
2267                  */
2268                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2269         }
2270
2271         if (ssid == wpa_s->current_ssid) {
2272                 wpa_sm_set_config(wpa_s->wpa, NULL);
2273                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2274
2275                 wpa_supplicant_deauthenticate(wpa_s,
2276                                               WLAN_REASON_DEAUTH_LEAVING);
2277         }
2278
2279         was_disabled = ssid->disabled;
2280
2281         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2282                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2283                            "network id=%d", id);
2284                 return -1;
2285         }
2286
2287         if (!was_disabled && wpa_s->sched_scanning) {
2288                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2289                            "network from filters");
2290                 wpa_supplicant_cancel_sched_scan(wpa_s);
2291                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2292         }
2293
2294         return 0;
2295 }
2296
2297
2298 static int wpa_supplicant_ctrl_iface_set_network(
2299         struct wpa_supplicant *wpa_s, char *cmd)
2300 {
2301         int id;
2302         struct wpa_ssid *ssid;
2303         char *name, *value;
2304
2305         /* cmd: "<network id> <variable name> <value>" */
2306         name = os_strchr(cmd, ' ');
2307         if (name == NULL)
2308                 return -1;
2309         *name++ = '\0';
2310
2311         value = os_strchr(name, ' ');
2312         if (value == NULL)
2313                 return -1;
2314         *value++ = '\0';
2315
2316         id = atoi(cmd);
2317         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2318                    id, name);
2319         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2320                               (u8 *) value, os_strlen(value));
2321
2322         ssid = wpa_config_get_network(wpa_s->conf, id);
2323         if (ssid == NULL) {
2324                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2325                            "id=%d", id);
2326                 return -1;
2327         }
2328
2329         if (wpa_config_set(ssid, name, value, 0) < 0) {
2330                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2331                            "variable '%s'", name);
2332                 return -1;
2333         }
2334
2335         if (os_strcmp(name, "bssid") != 0 &&
2336             os_strcmp(name, "priority") != 0)
2337                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2338
2339         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2340                 /*
2341                  * Invalidate the EAP session cache if anything in the current
2342                  * or previously used configuration changes.
2343                  */
2344                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2345         }
2346
2347         if ((os_strcmp(name, "psk") == 0 &&
2348              value[0] == '"' && ssid->ssid_len) ||
2349             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2350                 wpa_config_update_psk(ssid);
2351         else if (os_strcmp(name, "priority") == 0)
2352                 wpa_config_update_prio_list(wpa_s->conf);
2353
2354         return 0;
2355 }
2356
2357
2358 static int wpa_supplicant_ctrl_iface_get_network(
2359         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2360 {
2361         int id;
2362         size_t res;
2363         struct wpa_ssid *ssid;
2364         char *name, *value;
2365
2366         /* cmd: "<network id> <variable name>" */
2367         name = os_strchr(cmd, ' ');
2368         if (name == NULL || buflen == 0)
2369                 return -1;
2370         *name++ = '\0';
2371
2372         id = atoi(cmd);
2373         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2374                    id, name);
2375
2376         ssid = wpa_config_get_network(wpa_s->conf, id);
2377         if (ssid == NULL) {
2378                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2379                            "id=%d", id);
2380                 return -1;
2381         }
2382
2383         value = wpa_config_get_no_key(ssid, name);
2384         if (value == NULL) {
2385                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2386                            "variable '%s'", name);
2387                 return -1;
2388         }
2389
2390         res = os_strlcpy(buf, value, buflen);
2391         if (res >= buflen) {
2392                 os_free(value);
2393                 return -1;
2394         }
2395
2396         os_free(value);
2397
2398         return res;
2399 }
2400
2401
2402 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2403                                                 char *buf, size_t buflen)
2404 {
2405         char *pos, *end;
2406         struct wpa_cred *cred;
2407         int ret;
2408
2409         pos = buf;
2410         end = buf + buflen;
2411         ret = os_snprintf(pos, end - pos,
2412                           "cred id / realm / username / domain / imsi\n");
2413         if (ret < 0 || ret >= end - pos)
2414                 return pos - buf;
2415         pos += ret;
2416
2417         cred = wpa_s->conf->cred;
2418         while (cred) {
2419                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2420                                   cred->id, cred->realm ? cred->realm : "",
2421                                   cred->username ? cred->username : "",
2422                                   cred->domain ? cred->domain : "",
2423                                   cred->imsi ? cred->imsi : "");
2424                 if (ret < 0 || ret >= end - pos)
2425                         return pos - buf;
2426                 pos += ret;
2427
2428                 cred = cred->next;
2429         }
2430
2431         return pos - buf;
2432 }
2433
2434
2435 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2436                                               char *buf, size_t buflen)
2437 {
2438         struct wpa_cred *cred;
2439         int ret;
2440
2441         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2442
2443         cred = wpa_config_add_cred(wpa_s->conf);
2444         if (cred == NULL)
2445                 return -1;
2446
2447         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2448         if (ret < 0 || (size_t) ret >= buflen)
2449                 return -1;
2450         return ret;
2451 }
2452
2453
2454 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2455                                  struct wpa_cred *cred)
2456 {
2457         struct wpa_ssid *ssid;
2458         char str[20];
2459
2460         if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2461                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2462                 return -1;
2463         }
2464
2465         /* Remove any network entry created based on the removed credential */
2466         ssid = wpa_s->conf->ssid;
2467         while (ssid) {
2468                 if (ssid->parent_cred == cred) {
2469                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2470                                    "used the removed credential", ssid->id);
2471                         os_snprintf(str, sizeof(str), "%d", ssid->id);
2472                         ssid = ssid->next;
2473                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2474                 } else
2475                         ssid = ssid->next;
2476         }
2477
2478         return 0;
2479 }
2480
2481
2482 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2483                                                  char *cmd)
2484 {
2485         int id;
2486         struct wpa_cred *cred, *prev;
2487
2488         /* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2489         if (os_strcmp(cmd, "all") == 0) {
2490                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2491                 cred = wpa_s->conf->cred;
2492                 while (cred) {
2493                         prev = cred;
2494                         cred = cred->next;
2495                         wpas_ctrl_remove_cred(wpa_s, prev);
2496                 }
2497                 return 0;
2498         }
2499
2500         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2501                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2502                            cmd + 8);
2503                 cred = wpa_s->conf->cred;
2504                 while (cred) {
2505                         prev = cred;
2506                         cred = cred->next;
2507                         if (prev->domain &&
2508                             os_strcmp(prev->domain, cmd + 8) == 0)
2509                                 wpas_ctrl_remove_cred(wpa_s, prev);
2510                 }
2511                 return 0;
2512         }
2513
2514         id = atoi(cmd);
2515         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2516
2517         cred = wpa_config_get_cred(wpa_s->conf, id);
2518         return wpas_ctrl_remove_cred(wpa_s, cred);
2519 }
2520
2521
2522 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2523                                               char *cmd)
2524 {
2525         int id;
2526         struct wpa_cred *cred;
2527         char *name, *value;
2528
2529         /* cmd: "<cred id> <variable name> <value>" */
2530         name = os_strchr(cmd, ' ');
2531         if (name == NULL)
2532                 return -1;
2533         *name++ = '\0';
2534
2535         value = os_strchr(name, ' ');
2536         if (value == NULL)
2537                 return -1;
2538         *value++ = '\0';
2539
2540         id = atoi(cmd);
2541         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2542                    id, name);
2543         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2544                               (u8 *) value, os_strlen(value));
2545
2546         cred = wpa_config_get_cred(wpa_s->conf, id);
2547         if (cred == NULL) {
2548                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2549                            id);
2550                 return -1;
2551         }
2552
2553         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2554                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2555                            "variable '%s'", name);
2556                 return -1;
2557         }
2558
2559         return 0;
2560 }
2561
2562
2563 #ifndef CONFIG_NO_CONFIG_WRITE
2564 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2565 {
2566         int ret;
2567
2568         if (!wpa_s->conf->update_config) {
2569                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2570                            "to update configuration (update_config=0)");
2571                 return -1;
2572         }
2573
2574         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2575         if (ret) {
2576                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2577                            "update configuration");
2578         } else {
2579                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2580                            " updated");
2581         }
2582
2583         return ret;
2584 }
2585 #endif /* CONFIG_NO_CONFIG_WRITE */
2586
2587
2588 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2589                                               struct wpa_driver_capa *capa,
2590                                               char *buf, size_t buflen)
2591 {
2592         int ret, first = 1;
2593         char *pos, *end;
2594         size_t len;
2595
2596         pos = buf;
2597         end = pos + buflen;
2598
2599         if (res < 0) {
2600                 if (strict)
2601                         return 0;
2602                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2603                 if (len >= buflen)
2604                         return -1;
2605                 return len;
2606         }
2607
2608         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2609                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2610                 if (ret < 0 || ret >= end - pos)
2611                         return pos - buf;
2612                 pos += ret;
2613                 first = 0;
2614         }
2615
2616         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2617                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2618                 if (ret < 0 || ret >= end - pos)
2619                         return pos - buf;
2620                 pos += ret;
2621                 first = 0;
2622         }
2623
2624         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2625                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2626                 if (ret < 0 || ret >= end - pos)
2627                         return pos - buf;
2628                 pos += ret;
2629                 first = 0;
2630         }
2631
2632         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2633                 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
2634                 if (ret < 0 || ret >= end - pos)
2635                         return pos - buf;
2636                 pos += ret;
2637                 first = 0;
2638         }
2639
2640         return pos - buf;
2641 }
2642
2643
2644 static int ctrl_iface_get_capability_group(int res, char *strict,
2645                                            struct wpa_driver_capa *capa,
2646                                            char *buf, size_t buflen)
2647 {
2648         int ret, first = 1;
2649         char *pos, *end;
2650         size_t len;
2651
2652         pos = buf;
2653         end = pos + buflen;
2654
2655         if (res < 0) {
2656                 if (strict)
2657                         return 0;
2658                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2659                 if (len >= buflen)
2660                         return -1;
2661                 return len;
2662         }
2663
2664         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2665                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2666                 if (ret < 0 || ret >= end - pos)
2667                         return pos - buf;
2668                 pos += ret;
2669                 first = 0;
2670         }
2671
2672         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2673                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2674                 if (ret < 0 || ret >= end - pos)
2675                         return pos - buf;
2676                 pos += ret;
2677                 first = 0;
2678         }
2679
2680         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2681                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2682                 if (ret < 0 || ret >= end - pos)
2683                         return pos - buf;
2684                 pos += ret;
2685                 first = 0;
2686         }
2687
2688         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2689                 ret = os_snprintf(pos, end - pos, "%sWEP104",
2690                                   first ? "" : " ");
2691                 if (ret < 0 || ret >= end - pos)
2692                         return pos - buf;
2693                 pos += ret;
2694                 first = 0;
2695         }
2696
2697         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2698                 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
2699                 if (ret < 0 || ret >= end - pos)
2700                         return pos - buf;
2701                 pos += ret;
2702                 first = 0;
2703         }
2704
2705         return pos - buf;
2706 }
2707
2708
2709 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2710                                               struct wpa_driver_capa *capa,
2711                                               char *buf, size_t buflen)
2712 {
2713         int ret;
2714         char *pos, *end;
2715         size_t len;
2716
2717         pos = buf;
2718         end = pos + buflen;
2719
2720         if (res < 0) {
2721                 if (strict)
2722                         return 0;
2723                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2724                                  "NONE", buflen);
2725                 if (len >= buflen)
2726                         return -1;
2727                 return len;
2728         }
2729
2730         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2731         if (ret < 0 || ret >= end - pos)
2732                 return pos - buf;
2733         pos += ret;
2734
2735         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2736                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2737                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2738                 if (ret < 0 || ret >= end - pos)
2739                         return pos - buf;
2740                 pos += ret;
2741         }
2742
2743         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2744                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2745                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2746                 if (ret < 0 || ret >= end - pos)
2747                         return pos - buf;
2748                 pos += ret;
2749         }
2750
2751         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2752                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2753                 if (ret < 0 || ret >= end - pos)
2754                         return pos - buf;
2755                 pos += ret;
2756         }
2757
2758         return pos - buf;
2759 }
2760
2761
2762 static int ctrl_iface_get_capability_proto(int res, char *strict,
2763                                            struct wpa_driver_capa *capa,
2764                                            char *buf, size_t buflen)
2765 {
2766         int ret, first = 1;
2767         char *pos, *end;
2768         size_t len;
2769
2770         pos = buf;
2771         end = pos + buflen;
2772
2773         if (res < 0) {
2774                 if (strict)
2775                         return 0;
2776                 len = os_strlcpy(buf, "RSN WPA", buflen);
2777                 if (len >= buflen)
2778                         return -1;
2779                 return len;
2780         }
2781
2782         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2783                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2784                 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2785                 if (ret < 0 || ret >= end - pos)
2786                         return pos - buf;
2787                 pos += ret;
2788                 first = 0;
2789         }
2790
2791         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2792                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2793                 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2794                 if (ret < 0 || ret >= end - pos)
2795                         return pos - buf;
2796                 pos += ret;
2797                 first = 0;
2798         }
2799
2800         return pos - buf;
2801 }
2802
2803
2804 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2805                                               struct wpa_driver_capa *capa,
2806                                               char *buf, size_t buflen)
2807 {
2808         int ret, first = 1;
2809         char *pos, *end;
2810         size_t len;
2811
2812         pos = buf;
2813         end = pos + buflen;
2814
2815         if (res < 0) {
2816                 if (strict)
2817                         return 0;
2818                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2819                 if (len >= buflen)
2820                         return -1;
2821                 return len;
2822         }
2823
2824         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2825                 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2826                 if (ret < 0 || ret >= end - pos)
2827                         return pos - buf;
2828                 pos += ret;
2829                 first = 0;
2830         }
2831
2832         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2833                 ret = os_snprintf(pos, end - pos, "%sSHARED",
2834                                   first ? "" : " ");
2835                 if (ret < 0 || ret >= end - pos)
2836                         return pos - buf;
2837                 pos += ret;
2838                 first = 0;
2839         }
2840
2841         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2842                 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2843                 if (ret < 0 || ret >= end - pos)
2844                         return pos - buf;
2845                 pos += ret;
2846                 first = 0;
2847         }
2848
2849         return pos - buf;
2850 }
2851
2852
2853 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
2854                                               char *buf, size_t buflen)
2855 {
2856         struct hostapd_channel_data *chnl;
2857         int ret, i, j;
2858         char *pos, *end, *hmode;
2859
2860         pos = buf;
2861         end = pos + buflen;
2862
2863         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2864                 switch (wpa_s->hw.modes[j].mode) {
2865                 case HOSTAPD_MODE_IEEE80211B:
2866                         hmode = "B";
2867                         break;
2868                 case HOSTAPD_MODE_IEEE80211G:
2869                         hmode = "G";
2870                         break;
2871                 case HOSTAPD_MODE_IEEE80211A:
2872                         hmode = "A";
2873                         break;
2874                 case HOSTAPD_MODE_IEEE80211AD:
2875                         hmode = "AD";
2876                         break;
2877                 default:
2878                         continue;
2879                 }
2880                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
2881                 if (ret < 0 || ret >= end - pos)
2882                         return pos - buf;
2883                 pos += ret;
2884                 chnl = wpa_s->hw.modes[j].channels;
2885                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2886                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2887                                 continue;
2888                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
2889                         if (ret < 0 || ret >= end - pos)
2890                                 return pos - buf;
2891                         pos += ret;
2892                 }
2893                 ret = os_snprintf(pos, end - pos, "\n");
2894                 if (ret < 0 || ret >= end - pos)
2895                         return pos - buf;
2896                 pos += ret;
2897         }
2898
2899         return pos - buf;
2900 }
2901
2902
2903 static int wpa_supplicant_ctrl_iface_get_capability(
2904         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
2905         size_t buflen)
2906 {
2907         struct wpa_driver_capa capa;
2908         int res;
2909         char *strict;
2910         char field[30];
2911         size_t len;
2912
2913         /* Determine whether or not strict checking was requested */
2914         len = os_strlcpy(field, _field, sizeof(field));
2915         if (len >= sizeof(field))
2916                 return -1;
2917         strict = os_strchr(field, ' ');
2918         if (strict != NULL) {
2919                 *strict++ = '\0';
2920                 if (os_strcmp(strict, "strict") != 0)
2921                         return -1;
2922         }
2923
2924         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
2925                 field, strict ? strict : "");
2926
2927         if (os_strcmp(field, "eap") == 0) {
2928                 return eap_get_names(buf, buflen);
2929         }
2930
2931         res = wpa_drv_get_capa(wpa_s, &capa);
2932
2933         if (os_strcmp(field, "pairwise") == 0)
2934                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
2935                                                           buf, buflen);
2936
2937         if (os_strcmp(field, "group") == 0)
2938                 return ctrl_iface_get_capability_group(res, strict, &capa,
2939                                                        buf, buflen);
2940
2941         if (os_strcmp(field, "key_mgmt") == 0)
2942                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
2943                                                           buf, buflen);
2944
2945         if (os_strcmp(field, "proto") == 0)
2946                 return ctrl_iface_get_capability_proto(res, strict, &capa,
2947                                                        buf, buflen);
2948
2949         if (os_strcmp(field, "auth_alg") == 0)
2950                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
2951                                                           buf, buflen);
2952
2953         if (os_strcmp(field, "channels") == 0)
2954                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
2955
2956         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
2957                    field);
2958
2959         return -1;
2960 }
2961
2962
2963 #ifdef CONFIG_INTERWORKING
2964 static char * anqp_add_hex(char *pos, char *end, const char *title,
2965                            struct wpabuf *data)
2966 {
2967         char *start = pos;
2968         size_t i;
2969         int ret;
2970         const u8 *d;
2971
2972         if (data == NULL)
2973                 return start;
2974
2975         ret = os_snprintf(pos, end - pos, "%s=", title);
2976         if (ret < 0 || ret >= end - pos)
2977                 return start;
2978         pos += ret;
2979
2980         d = wpabuf_head_u8(data);
2981         for (i = 0; i < wpabuf_len(data); i++) {
2982                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
2983                 if (ret < 0 || ret >= end - pos)
2984                         return start;
2985                 pos += ret;
2986         }
2987
2988         ret = os_snprintf(pos, end - pos, "\n");
2989         if (ret < 0 || ret >= end - pos)
2990                 return start;
2991         pos += ret;
2992
2993         return pos;
2994 }
2995 #endif /* CONFIG_INTERWORKING */
2996
2997
2998 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
2999                           unsigned long mask, char *buf, size_t buflen)
3000 {
3001         size_t i;
3002         int ret;
3003         char *pos, *end;
3004         const u8 *ie, *ie2;
3005
3006         pos = buf;
3007         end = buf + buflen;
3008
3009         if (mask & WPA_BSS_MASK_ID) {
3010                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3011                 if (ret < 0 || ret >= end - pos)
3012                         return 0;
3013                 pos += ret;
3014         }
3015
3016         if (mask & WPA_BSS_MASK_BSSID) {
3017                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3018                                   MAC2STR(bss->bssid));
3019                 if (ret < 0 || ret >= end - pos)
3020                         return 0;
3021                 pos += ret;
3022         }
3023
3024         if (mask & WPA_BSS_MASK_FREQ) {
3025                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3026                 if (ret < 0 || ret >= end - pos)
3027                         return 0;
3028                 pos += ret;
3029         }
3030
3031         if (mask & WPA_BSS_MASK_BEACON_INT) {
3032                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3033                                   bss->beacon_int);
3034                 if (ret < 0 || ret >= end - pos)
3035                         return 0;
3036                 pos += ret;
3037         }
3038
3039         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3040                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3041                                   bss->caps);
3042                 if (ret < 0 || ret >= end - pos)
3043                         return 0;
3044                 pos += ret;
3045         }
3046
3047         if (mask & WPA_BSS_MASK_QUAL) {
3048                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3049                 if (ret < 0 || ret >= end - pos)
3050                         return 0;
3051                 pos += ret;
3052         }
3053
3054         if (mask & WPA_BSS_MASK_NOISE) {
3055                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3056                 if (ret < 0 || ret >= end - pos)
3057                         return 0;
3058                 pos += ret;
3059         }
3060
3061         if (mask & WPA_BSS_MASK_LEVEL) {
3062                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3063                 if (ret < 0 || ret >= end - pos)
3064                         return 0;
3065                 pos += ret;
3066         }
3067
3068         if (mask & WPA_BSS_MASK_TSF) {
3069                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3070                                   (unsigned long long) bss->tsf);
3071                 if (ret < 0 || ret >= end - pos)
3072                         return 0;
3073                 pos += ret;
3074         }
3075
3076         if (mask & WPA_BSS_MASK_AGE) {
3077                 struct os_time now;
3078
3079                 os_get_time(&now);
3080                 ret = os_snprintf(pos, end - pos, "age=%d\n",
3081                                   (int) (now.sec - bss->last_update.sec));
3082                 if (ret < 0 || ret >= end - pos)
3083                         return 0;
3084                 pos += ret;
3085         }
3086
3087         if (mask & WPA_BSS_MASK_IE) {
3088                 ret = os_snprintf(pos, end - pos, "ie=");
3089                 if (ret < 0 || ret >= end - pos)
3090                         return 0;
3091                 pos += ret;
3092
3093                 ie = (const u8 *) (bss + 1);
3094                 for (i = 0; i < bss->ie_len; i++) {
3095                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3096                         if (ret < 0 || ret >= end - pos)
3097                                 return 0;
3098                         pos += ret;
3099                 }
3100
3101                 ret = os_snprintf(pos, end - pos, "\n");
3102                 if (ret < 0 || ret >= end - pos)
3103                         return 0;
3104                 pos += ret;
3105         }
3106
3107         if (mask & WPA_BSS_MASK_FLAGS) {
3108                 ret = os_snprintf(pos, end - pos, "flags=");
3109                 if (ret < 0 || ret >= end - pos)
3110                         return 0;
3111                 pos += ret;
3112
3113                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3114                 if (ie)
3115                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3116                                                     2 + ie[1]);
3117                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3118                 if (ie2)
3119                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3120                                                     2 + ie2[1]);
3121                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3122                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3123                         ret = os_snprintf(pos, end - pos, "[WEP]");
3124                         if (ret < 0 || ret >= end - pos)
3125                                 return 0;
3126                         pos += ret;
3127                 }
3128                 if (bss->caps & IEEE80211_CAP_IBSS) {
3129                         ret = os_snprintf(pos, end - pos, "[IBSS]");
3130                         if (ret < 0 || ret >= end - pos)
3131                                 return 0;
3132                         pos += ret;
3133                 }
3134                 if (bss->caps & IEEE80211_CAP_ESS) {
3135                         ret = os_snprintf(pos, end - pos, "[ESS]");
3136                         if (ret < 0 || ret >= end - pos)
3137                                 return 0;
3138                         pos += ret;
3139                 }
3140                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE)) {
3141                         ret = os_snprintf(pos, end - pos, "[P2P]");
3142                         if (ret < 0 || ret >= end - pos)
3143                                 return 0;
3144                         pos += ret;
3145                 }
3146 #ifdef CONFIG_HS20
3147                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3148                         ret = os_snprintf(pos, end - pos, "[HS20]");
3149                         if (ret < 0 || ret >= end - pos)
3150                                 return 0;
3151                         pos += ret;
3152                 }
3153 #endif /* CONFIG_HS20 */
3154
3155                 ret = os_snprintf(pos, end - pos, "\n");
3156                 if (ret < 0 || ret >= end - pos)
3157                         return 0;
3158                 pos += ret;
3159         }
3160
3161         if (mask & WPA_BSS_MASK_SSID) {
3162                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3163                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3164                 if (ret < 0 || ret >= end - pos)
3165                         return 0;
3166                 pos += ret;
3167         }
3168
3169 #ifdef CONFIG_WPS
3170         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3171                 ie = (const u8 *) (bss + 1);
3172                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3173                 if (ret < 0 || ret >= end - pos)
3174                         return 0;
3175                 pos += ret;
3176         }
3177 #endif /* CONFIG_WPS */
3178
3179 #ifdef CONFIG_P2P
3180         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3181                 ie = (const u8 *) (bss + 1);
3182                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3183                 if (ret < 0 || ret >= end - pos)
3184                         return 0;
3185                 pos += ret;
3186         }
3187 #endif /* CONFIG_P2P */
3188
3189 #ifdef CONFIG_WIFI_DISPLAY
3190         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3191                 struct wpabuf *wfd;
3192                 ie = (const u8 *) (bss + 1);
3193                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3194                                                   WFD_IE_VENDOR_TYPE);
3195                 if (wfd) {
3196                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3197                         if (ret < 0 || ret >= end - pos)
3198                                 return 0;
3199                         pos += ret;
3200
3201                         pos += wpa_snprintf_hex(pos, end - pos,
3202                                                 wpabuf_head(wfd),
3203                                                 wpabuf_len(wfd));
3204                         wpabuf_free(wfd);
3205
3206                         ret = os_snprintf(pos, end - pos, "\n");
3207                         if (ret < 0 || ret >= end - pos)
3208                                 return 0;
3209                         pos += ret;
3210                 }
3211         }
3212 #endif /* CONFIG_WIFI_DISPLAY */
3213
3214 #ifdef CONFIG_INTERWORKING
3215         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3216                 struct wpa_bss_anqp *anqp = bss->anqp;
3217                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3218                                    anqp->venue_name);
3219                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3220                                    anqp->network_auth_type);
3221                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3222                                    anqp->roaming_consortium);
3223                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3224                                    anqp->ip_addr_type_availability);
3225                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3226                                    anqp->nai_realm);
3227                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3228                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3229                                    anqp->domain_name);
3230 #ifdef CONFIG_HS20
3231                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3232                                    anqp->hs20_operator_friendly_name);
3233                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3234                                    anqp->hs20_wan_metrics);
3235                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3236                                    anqp->hs20_connection_capability);
3237 #endif /* CONFIG_HS20 */
3238         }
3239 #endif /* CONFIG_INTERWORKING */
3240
3241         if (mask & WPA_BSS_MASK_DELIM) {
3242                 ret = os_snprintf(pos, end - pos, "====\n");
3243                 if (ret < 0 || ret >= end - pos)
3244                         return 0;
3245                 pos += ret;
3246         }
3247
3248         return pos - buf;
3249 }
3250
3251
3252 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3253                                          const char *cmd, char *buf,
3254                                          size_t buflen)
3255 {
3256         u8 bssid[ETH_ALEN];
3257         size_t i;
3258         struct wpa_bss *bss;
3259         struct wpa_bss *bsslast = NULL;
3260         struct dl_list *next;
3261         int ret = 0;
3262         int len;
3263         char *ctmp;
3264         unsigned long mask = WPA_BSS_MASK_ALL;
3265
3266         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3267                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3268                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3269                                             list_id);
3270                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3271                                                list_id);
3272                 } else { /* N1-N2 */
3273                         unsigned int id1, id2;
3274
3275                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3276                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3277                                            "format");
3278                                 return 0;
3279                         }
3280
3281                         if (*(cmd + 6) == '-')
3282                                 id1 = 0;
3283                         else
3284                                 id1 = atoi(cmd + 6);
3285                         ctmp++;
3286                         if (*ctmp >= '0' && *ctmp <= '9')
3287                                 id2 = atoi(ctmp);
3288                         else
3289                                 id2 = (unsigned int) -1;
3290                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3291                         if (id2 == (unsigned int) -1)
3292                                 bsslast = dl_list_last(&wpa_s->bss_id,
3293                                                        struct wpa_bss,
3294                                                        list_id);
3295                         else {
3296                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3297                                 if (bsslast == NULL && bss && id2 > id1) {
3298                                         struct wpa_bss *tmp = bss;
3299                                         for (;;) {
3300                                                 next = tmp->list_id.next;
3301                                                 if (next == &wpa_s->bss_id)
3302                                                         break;
3303                                                 tmp = dl_list_entry(
3304                                                         next, struct wpa_bss,
3305                                                         list_id);
3306                                                 if (tmp->id > id2)
3307                                                         break;
3308                                                 bsslast = tmp;
3309                                         }
3310                                 }
3311                         }
3312                 }
3313         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3314                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3315         else if (os_strncmp(cmd, "LAST", 4) == 0)
3316                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3317         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3318                 i = atoi(cmd + 3);
3319                 bss = wpa_bss_get_id(wpa_s, i);
3320         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3321                 i = atoi(cmd + 5);
3322                 bss = wpa_bss_get_id(wpa_s, i);
3323                 if (bss) {
3324                         next = bss->list_id.next;
3325                         if (next == &wpa_s->bss_id)
3326                                 bss = NULL;
3327                         else
3328                                 bss = dl_list_entry(next, struct wpa_bss,
3329                                                     list_id);
3330                 }
3331 #ifdef CONFIG_P2P
3332         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3333                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3334                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3335                 else
3336                         bss = NULL;
3337 #endif /* CONFIG_P2P */
3338         } else if (hwaddr_aton(cmd, bssid) == 0)
3339                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3340         else {
3341                 struct wpa_bss *tmp;
3342                 i = atoi(cmd);
3343                 bss = NULL;
3344                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3345                 {
3346                         if (i-- == 0) {
3347                                 bss = tmp;
3348                                 break;
3349                         }
3350                 }
3351         }
3352
3353         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3354                 mask = strtoul(ctmp + 5, NULL, 0x10);
3355                 if (mask == 0)
3356                         mask = WPA_BSS_MASK_ALL;
3357         }
3358
3359         if (bss == NULL)
3360                 return 0;
3361
3362         if (bsslast == NULL)
3363                 bsslast = bss;
3364         do {
3365                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3366                 ret += len;
3367                 buf += len;
3368                 buflen -= len;
3369                 if (bss == bsslast) {
3370                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
3371                             (bss == dl_list_last(&wpa_s->bss_id,
3372                                                  struct wpa_bss, list_id)))
3373                                 os_snprintf(buf - 5, 5, "####\n");
3374                         break;
3375                 }
3376                 next = bss->list_id.next;
3377                 if (next == &wpa_s->bss_id)
3378                         break;
3379                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3380         } while (bss && len);
3381
3382         return ret;
3383 }
3384
3385
3386 static int wpa_supplicant_ctrl_iface_ap_scan(
3387         struct wpa_supplicant *wpa_s, char *cmd)
3388 {
3389         int ap_scan = atoi(cmd);
3390         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3391 }
3392
3393
3394 static int wpa_supplicant_ctrl_iface_scan_interval(
3395         struct wpa_supplicant *wpa_s, char *cmd)
3396 {
3397         int scan_int = atoi(cmd);
3398         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3399 }
3400
3401
3402 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3403         struct wpa_supplicant *wpa_s, char *cmd)
3404 {
3405         int expire_age = atoi(cmd);
3406         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3407 }
3408
3409
3410 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3411         struct wpa_supplicant *wpa_s, char *cmd)
3412 {
3413         int expire_count = atoi(cmd);
3414         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3415 }
3416
3417
3418 static int wpa_supplicant_ctrl_iface_bss_flush(
3419         struct wpa_supplicant *wpa_s, char *cmd)
3420 {
3421         int flush_age = atoi(cmd);
3422
3423         if (flush_age == 0)
3424                 wpa_bss_flush(wpa_s);
3425         else
3426                 wpa_bss_flush_by_age(wpa_s, flush_age);
3427         return 0;
3428 }
3429
3430
3431 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3432 {
3433         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3434         /* MLME-DELETEKEYS.request */
3435         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3436         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3437         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3438         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3439 #ifdef CONFIG_IEEE80211W
3440         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3441         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3442 #endif /* CONFIG_IEEE80211W */
3443
3444         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3445                         0);
3446         /* MLME-SETPROTECTION.request(None) */
3447         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3448                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3449                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3450         wpa_sm_drop_sa(wpa_s->wpa);
3451 }
3452
3453
3454 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3455                                           char *addr)
3456 {
3457 #ifdef CONFIG_NO_SCAN_PROCESSING
3458         return -1;
3459 #else /* CONFIG_NO_SCAN_PROCESSING */
3460         u8 bssid[ETH_ALEN];
3461         struct wpa_bss *bss;
3462         struct wpa_ssid *ssid = wpa_s->current_ssid;
3463
3464         if (hwaddr_aton(addr, bssid)) {
3465                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3466                            "address '%s'", addr);
3467                 return -1;
3468         }
3469
3470         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3471
3472         bss = wpa_bss_get_bssid(wpa_s, bssid);
3473         if (!bss) {
3474                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3475                            "from BSS table");
3476                 return -1;
3477         }
3478
3479         /*
3480          * TODO: Find best network configuration block from configuration to
3481          * allow roaming to other networks
3482          */
3483
3484         if (!ssid) {
3485                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3486                            "configuration known for the target AP");
3487                 return -1;
3488         }
3489
3490         wpa_s->reassociate = 1;
3491         wpa_supplicant_connect(wpa_s, bss, ssid);
3492
3493         return 0;
3494 #endif /* CONFIG_NO_SCAN_PROCESSING */
3495 }
3496
3497
3498 #ifdef CONFIG_P2P
3499 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3500 {
3501         unsigned int timeout = atoi(cmd);
3502         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3503         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3504         char *pos;
3505         unsigned int search_delay;
3506
3507         if (os_strstr(cmd, "type=social"))
3508                 type = P2P_FIND_ONLY_SOCIAL;
3509         else if (os_strstr(cmd, "type=progressive"))
3510                 type = P2P_FIND_PROGRESSIVE;
3511
3512         pos = os_strstr(cmd, "dev_id=");
3513         if (pos) {
3514                 pos += 7;
3515                 if (hwaddr_aton(pos, dev_id))
3516                         return -1;
3517                 _dev_id = dev_id;
3518         }
3519
3520         pos = os_strstr(cmd, "delay=");
3521         if (pos) {
3522                 pos += 6;
3523                 search_delay = atoi(pos);
3524         } else
3525                 search_delay = wpas_p2p_search_delay(wpa_s);
3526
3527         return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3528                              search_delay);
3529 }
3530
3531
3532 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3533                             char *buf, size_t buflen)
3534 {
3535         u8 addr[ETH_ALEN];
3536         char *pos, *pos2;
3537         char *pin = NULL;
3538         enum p2p_wps_method wps_method;
3539         int new_pin;
3540         int ret;
3541         int persistent_group, persistent_id = -1;
3542         int join;
3543         int auth;
3544         int automatic;
3545         int go_intent = -1;
3546         int freq = 0;
3547         int pd;
3548         int ht40;
3549
3550         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3551          * [persistent|persistent=<network id>]
3552          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3553          * [ht40] */
3554
3555         if (hwaddr_aton(cmd, addr))
3556                 return -1;
3557
3558         pos = cmd + 17;
3559         if (*pos != ' ')
3560                 return -1;
3561         pos++;
3562
3563         persistent_group = os_strstr(pos, " persistent") != NULL;
3564         pos2 = os_strstr(pos, " persistent=");
3565         if (pos2) {
3566                 struct wpa_ssid *ssid;
3567                 persistent_id = atoi(pos2 + 12);
3568                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3569                 if (ssid == NULL || ssid->disabled != 2 ||
3570                     ssid->mode != WPAS_MODE_P2P_GO) {
3571                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3572                                    "SSID id=%d for persistent P2P group (GO)",
3573                                    persistent_id);
3574                         return -1;
3575                 }
3576         }
3577         join = os_strstr(pos, " join") != NULL;
3578         auth = os_strstr(pos, " auth") != NULL;
3579         automatic = os_strstr(pos, " auto") != NULL;
3580         pd = os_strstr(pos, " provdisc") != NULL;
3581         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3582
3583         pos2 = os_strstr(pos, " go_intent=");
3584         if (pos2) {
3585                 pos2 += 11;
3586                 go_intent = atoi(pos2);
3587                 if (go_intent < 0 || go_intent > 15)
3588                         return -1;
3589         }
3590
3591         pos2 = os_strstr(pos, " freq=");
3592         if (pos2) {
3593                 pos2 += 6;
3594                 freq = atoi(pos2);
3595                 if (freq <= 0)
3596                         return -1;
3597         }
3598
3599         if (os_strncmp(pos, "pin", 3) == 0) {
3600                 /* Request random PIN (to be displayed) and enable the PIN */
3601                 wps_method = WPS_PIN_DISPLAY;
3602         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3603                 wps_method = WPS_PBC;
3604         } else {
3605                 pin = pos;
3606                 pos = os_strchr(pin, ' ');
3607                 wps_method = WPS_PIN_KEYPAD;
3608                 if (pos) {
3609                         *pos++ = '\0';
3610                         if (os_strncmp(pos, "display", 7) == 0)
3611                                 wps_method = WPS_PIN_DISPLAY;
3612                 }
3613                 if (!wps_pin_str_valid(pin)) {
3614                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3615                         return 17;
3616                 }
3617         }
3618
3619         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3620                                    persistent_group, automatic, join,
3621                                    auth, go_intent, freq, persistent_id, pd,
3622                                    ht40);
3623         if (new_pin == -2) {
3624                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3625                 return 25;
3626         }
3627         if (new_pin == -3) {
3628                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3629                 return 25;
3630         }
3631         if (new_pin < 0)
3632                 return -1;
3633         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3634                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3635                 if (ret < 0 || (size_t) ret >= buflen)
3636                         return -1;
3637                 return ret;
3638         }
3639
3640         os_memcpy(buf, "OK\n", 3);
3641         return 3;
3642 }
3643
3644
3645 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3646 {
3647         unsigned int timeout = atoi(cmd);
3648         return wpas_p2p_listen(wpa_s, timeout);
3649 }
3650
3651
3652 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3653 {
3654         u8 addr[ETH_ALEN];
3655         char *pos;
3656         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3657
3658         /* <addr> <config method> [join|auto] */
3659
3660         if (hwaddr_aton(cmd, addr))
3661                 return -1;
3662
3663         pos = cmd + 17;
3664         if (*pos != ' ')
3665                 return -1;
3666         pos++;
3667
3668         if (os_strstr(pos, " join") != NULL)
3669                 use = WPAS_P2P_PD_FOR_JOIN;
3670         else if (os_strstr(pos, " auto") != NULL)
3671                 use = WPAS_P2P_PD_AUTO;
3672
3673         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3674 }
3675
3676
3677 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3678                               size_t buflen)
3679 {
3680         struct wpa_ssid *ssid = wpa_s->current_ssid;
3681
3682         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3683             ssid->passphrase == NULL)
3684                 return -1;
3685
3686         os_strlcpy(buf, ssid->passphrase, buflen);
3687         return os_strlen(buf);
3688 }
3689
3690
3691 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3692                                   char *buf, size_t buflen)
3693 {
3694         u64 ref;
3695         int res;
3696         u8 dst_buf[ETH_ALEN], *dst;
3697         struct wpabuf *tlvs;
3698         char *pos;
3699         size_t len;
3700
3701         if (hwaddr_aton(cmd, dst_buf))
3702                 return -1;
3703         dst = dst_buf;
3704         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3705             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3706                 dst = NULL;
3707         pos = cmd + 17;
3708         if (*pos != ' ')
3709                 return -1;
3710         pos++;
3711
3712         if (os_strncmp(pos, "upnp ", 5) == 0) {
3713                 u8 version;
3714                 pos += 5;
3715                 if (hexstr2bin(pos, &version, 1) < 0)
3716                         return -1;
3717                 pos += 2;
3718                 if (*pos != ' ')
3719                         return -1;
3720                 pos++;
3721                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3722 #ifdef CONFIG_WIFI_DISPLAY
3723         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3724                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3725 #endif /* CONFIG_WIFI_DISPLAY */
3726         } else {
3727                 len = os_strlen(pos);
3728                 if (len & 1)
3729                         return -1;
3730                 len /= 2;
3731                 tlvs = wpabuf_alloc(len);
3732                 if (tlvs == NULL)
3733                         return -1;
3734                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3735                         wpabuf_free(tlvs);
3736                         return -1;
3737                 }
3738
3739                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3740                 wpabuf_free(tlvs);
3741         }
3742         if (ref == 0)
3743                 return -1;
3744         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3745         if (res < 0 || (unsigned) res >= buflen)
3746                 return -1;
3747         return res;
3748 }
3749
3750
3751 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3752                                          char *cmd)
3753 {
3754         long long unsigned val;
3755         u64 req;
3756         if (sscanf(cmd, "%llx", &val) != 1)
3757                 return -1;
3758         req = val;
3759         return wpas_p2p_sd_cancel_request(wpa_s, req);
3760 }
3761
3762
3763 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3764 {
3765         int freq;
3766         u8 dst[ETH_ALEN];
3767         u8 dialog_token;
3768         struct wpabuf *resp_tlvs;
3769         char *pos, *pos2;
3770         size_t len;
3771
3772         pos = os_strchr(cmd, ' ');
3773         if (pos == NULL)
3774                 return -1;
3775         *pos++ = '\0';
3776         freq = atoi(cmd);
3777         if (freq == 0)
3778                 return -1;
3779
3780         if (hwaddr_aton(pos, dst))
3781                 return -1;
3782         pos += 17;
3783         if (*pos != ' ')
3784                 return -1;
3785         pos++;
3786
3787         pos2 = os_strchr(pos, ' ');
3788         if (pos2 == NULL)
3789                 return -1;
3790         *pos2++ = '\0';
3791         dialog_token = atoi(pos);
3792
3793         len = os_strlen(pos2);
3794         if (len & 1)
3795                 return -1;
3796         len /= 2;
3797         resp_tlvs = wpabuf_alloc(len);
3798         if (resp_tlvs == NULL)
3799                 return -1;
3800         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3801                 wpabuf_free(resp_tlvs);
3802                 return -1;
3803         }
3804
3805         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3806         wpabuf_free(resp_tlvs);
3807         return 0;
3808 }
3809
3810
3811 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3812                                        char *cmd)
3813 {
3814         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3815                 return -1;
3816         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3817         return 0;
3818 }
3819
3820
3821 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3822                                         char *cmd)
3823 {
3824         char *pos;
3825         size_t len;
3826         struct wpabuf *query, *resp;
3827
3828         pos = os_strchr(cmd, ' ');
3829         if (pos == NULL)
3830                 return -1;
3831         *pos++ = '\0';
3832
3833         len = os_strlen(cmd);
3834         if (len & 1)
3835                 return -1;
3836         len /= 2;
3837         query = wpabuf_alloc(len);
3838         if (query == NULL)
3839                 return -1;
3840         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3841                 wpabuf_free(query);
3842                 return -1;
3843         }
3844
3845         len = os_strlen(pos);
3846         if (len & 1) {
3847                 wpabuf_free(query);
3848                 return -1;
3849         }
3850         len /= 2;
3851         resp = wpabuf_alloc(len);
3852         if (resp == NULL) {
3853                 wpabuf_free(query);
3854                 return -1;
3855         }
3856         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
3857                 wpabuf_free(query);
3858                 wpabuf_free(resp);
3859                 return -1;
3860         }
3861
3862         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
3863                 wpabuf_free(query);
3864                 wpabuf_free(resp);
3865                 return -1;
3866         }
3867         return 0;
3868 }
3869
3870
3871 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3872 {
3873         char *pos;
3874         u8 version;
3875
3876         pos = os_strchr(cmd, ' ');
3877         if (pos == NULL)
3878                 return -1;
3879         *pos++ = '\0';
3880
3881         if (hexstr2bin(cmd, &version, 1) < 0)
3882                 return -1;
3883
3884         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
3885 }
3886
3887
3888 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
3889 {
3890         char *pos;
3891
3892         pos = os_strchr(cmd, ' ');
3893         if (pos == NULL)
3894                 return -1;
3895         *pos++ = '\0';
3896
3897         if (os_strcmp(cmd, "bonjour") == 0)
3898                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
3899         if (os_strcmp(cmd, "upnp") == 0)
3900                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
3901         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3902         return -1;
3903 }
3904
3905
3906 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
3907                                         char *cmd)
3908 {
3909         size_t len;
3910         struct wpabuf *query;
3911         int ret;
3912
3913         len = os_strlen(cmd);
3914         if (len & 1)
3915                 return -1;
3916         len /= 2;
3917         query = wpabuf_alloc(len);
3918         if (query == NULL)
3919                 return -1;
3920         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3921                 wpabuf_free(query);
3922                 return -1;
3923         }
3924
3925         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
3926         wpabuf_free(query);
3927         return ret;
3928 }
3929
3930
3931 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3932 {
3933         char *pos;
3934         u8 version;
3935
3936         pos = os_strchr(cmd, ' ');
3937         if (pos == NULL)
3938                 return -1;
3939         *pos++ = '\0';
3940
3941         if (hexstr2bin(cmd, &version, 1) < 0)
3942                 return -1;
3943
3944         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
3945 }
3946
3947
3948 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
3949 {
3950         char *pos;
3951
3952         pos = os_strchr(cmd, ' ');
3953         if (pos == NULL)
3954                 return -1;
3955         *pos++ = '\0';
3956
3957         if (os_strcmp(cmd, "bonjour") == 0)
3958                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
3959         if (os_strcmp(cmd, "upnp") == 0)
3960                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
3961         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3962         return -1;
3963 }
3964
3965
3966 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
3967 {
3968         u8 addr[ETH_ALEN];
3969
3970         /* <addr> */
3971
3972         if (hwaddr_aton(cmd, addr))
3973                 return -1;
3974
3975         return wpas_p2p_reject(wpa_s, addr);
3976 }
3977
3978
3979 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
3980 {
3981         char *pos;
3982         int id;
3983         struct wpa_ssid *ssid;
3984         u8 *_peer = NULL, peer[ETH_ALEN];
3985         int freq = 0, pref_freq = 0;
3986         int ht40;
3987
3988         id = atoi(cmd);
3989         pos = os_strstr(cmd, " peer=");
3990         if (pos) {
3991                 pos += 6;
3992                 if (hwaddr_aton(pos, peer))
3993                         return -1;
3994                 _peer = peer;
3995         }
3996         ssid = wpa_config_get_network(wpa_s->conf, id);
3997         if (ssid == NULL || ssid->disabled != 2) {
3998                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3999                            "for persistent P2P group",
4000                            id);
4001                 return -1;
4002         }
4003
4004         pos = os_strstr(cmd, " freq=");
4005         if (pos) {
4006                 pos += 6;
4007                 freq = atoi(pos);
4008                 if (freq <= 0)
4009                         return -1;
4010         }
4011
4012         pos = os_strstr(cmd, " pref=");
4013         if (pos) {
4014                 pos += 6;
4015                 pref_freq = atoi(pos);
4016                 if (pref_freq <= 0)
4017                         return -1;
4018         }
4019
4020         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
4021
4022         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, pref_freq);
4023 }
4024
4025
4026 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4027 {
4028         char *pos;
4029         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4030
4031         pos = os_strstr(cmd, " peer=");
4032         if (!pos)
4033                 return -1;
4034
4035         *pos = '\0';
4036         pos += 6;
4037         if (hwaddr_aton(pos, peer)) {
4038                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4039                 return -1;
4040         }
4041
4042         pos = os_strstr(pos, " go_dev_addr=");
4043         if (pos) {
4044                 pos += 13;
4045                 if (hwaddr_aton(pos, go_dev_addr)) {
4046                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4047                                    pos);
4048                         return -1;
4049                 }
4050                 go_dev = go_dev_addr;
4051         }
4052
4053         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4054 }
4055
4056
4057 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4058 {
4059         if (os_strncmp(cmd, "persistent=", 11) == 0)
4060                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4061         if (os_strncmp(cmd, "group=", 6) == 0)
4062                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4063
4064         return -1;
4065 }
4066
4067
4068 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4069                                          char *cmd, int freq, int ht40)
4070 {
4071         int id;
4072         struct wpa_ssid *ssid;
4073
4074         id = atoi(cmd);
4075         ssid = wpa_config_get_network(wpa_s->conf, id);
4076         if (ssid == NULL || ssid->disabled != 2) {
4077                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4078                            "for persistent P2P group",
4079                            id);
4080                 return -1;
4081         }
4082
4083         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40, NULL);
4084 }
4085
4086
4087 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4088 {
4089         int freq = 0, ht40;
4090         char *pos;
4091
4092         pos = os_strstr(cmd, "freq=");
4093         if (pos)
4094                 freq = atoi(pos + 5);
4095
4096         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
4097
4098         if (os_strncmp(cmd, "persistent=", 11) == 0)
4099                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4100                                                      ht40);
4101         if (os_strcmp(cmd, "persistent") == 0 ||
4102             os_strncmp(cmd, "persistent ", 11) == 0)
4103                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40);
4104         if (os_strncmp(cmd, "freq=", 5) == 0)
4105                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4106         if (ht40)
4107                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4108
4109         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4110                    cmd);
4111         return -1;
4112 }
4113
4114
4115 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4116                          char *buf, size_t buflen)
4117 {
4118         u8 addr[ETH_ALEN], *addr_ptr;
4119         int next, res;
4120         const struct p2p_peer_info *info;
4121         char *pos, *end;
4122         char devtype[WPS_DEV_TYPE_BUFSIZE];
4123         struct wpa_ssid *ssid;
4124         size_t i;
4125
4126         if (!wpa_s->global->p2p)
4127                 return -1;
4128
4129         if (os_strcmp(cmd, "FIRST") == 0) {
4130                 addr_ptr = NULL;
4131                 next = 0;
4132         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4133                 if (hwaddr_aton(cmd + 5, addr) < 0)
4134                         return -1;
4135                 addr_ptr = addr;
4136                 next = 1;
4137         } else {
4138                 if (hwaddr_aton(cmd, addr) < 0)
4139                         return -1;
4140                 addr_ptr = addr;
4141                 next = 0;
4142         }
4143
4144         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4145         if (info == NULL)
4146                 return -1;
4147
4148         pos = buf;
4149         end = buf + buflen;
4150
4151         res = os_snprintf(pos, end - pos, MACSTR "\n"
4152                           "pri_dev_type=%s\n"
4153                           "device_name=%s\n"
4154                           "manufacturer=%s\n"
4155                           "model_name=%s\n"
4156                           "model_number=%s\n"
4157                           "serial_number=%s\n"
4158                           "config_methods=0x%x\n"
4159                           "dev_capab=0x%x\n"
4160                           "group_capab=0x%x\n"
4161                           "level=%d\n",
4162                           MAC2STR(info->p2p_device_addr),
4163                           wps_dev_type_bin2str(info->pri_dev_type,
4164                                                devtype, sizeof(devtype)),
4165                           info->device_name,
4166                           info->manufacturer,
4167                           info->model_name,
4168                           info->model_number,
4169                           info->serial_number,
4170                           info->config_methods,
4171                           info->dev_capab,
4172                           info->group_capab,
4173                           info->level);
4174         if (res < 0 || res >= end - pos)
4175                 return pos - buf;
4176         pos += res;
4177
4178         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4179         {
4180                 const u8 *t;
4181                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4182                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4183                                   wps_dev_type_bin2str(t, devtype,
4184                                                        sizeof(devtype)));
4185                 if (res < 0 || res >= end - pos)
4186                         return pos - buf;
4187                 pos += res;
4188         }
4189
4190         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4191         if (ssid) {
4192                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4193                 if (res < 0 || res >= end - pos)
4194                         return pos - buf;
4195                 pos += res;
4196         }
4197
4198         res = p2p_get_peer_info_txt(info, pos, end - pos);
4199         if (res < 0)
4200                 return pos - buf;
4201         pos += res;
4202
4203         return pos - buf;
4204 }
4205
4206
4207 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4208                                   const char *param)
4209 {
4210         struct wpa_freq_range *freq = NULL, *n;
4211         unsigned int count = 0, i;
4212         const char *pos, *pos2, *pos3;
4213
4214         if (wpa_s->global->p2p == NULL)
4215                 return -1;
4216
4217         /*
4218          * param includes comma separated frequency range.
4219          * For example: 2412-2432,2462,5000-6000
4220          */
4221         pos = param;
4222         while (pos && pos[0]) {
4223                 n = os_realloc_array(freq, count + 1,
4224                                      sizeof(struct wpa_freq_range));
4225                 if (n == NULL) {
4226                         os_free(freq);
4227                         return -1;
4228                 }
4229                 freq = n;
4230                 freq[count].min = atoi(pos);
4231                 pos2 = os_strchr(pos, '-');
4232                 pos3 = os_strchr(pos, ',');
4233                 if (pos2 && (!pos3 || pos2 < pos3)) {
4234                         pos2++;
4235                         freq[count].max = atoi(pos2);
4236                 } else
4237                         freq[count].max = freq[count].min;
4238                 pos = pos3;
4239                 if (pos)
4240                         pos++;
4241                 count++;
4242         }
4243
4244         for (i = 0; i < count; i++) {
4245                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4246                            freq[i].min, freq[i].max);
4247         }
4248
4249         os_free(wpa_s->global->p2p_disallow_freq);
4250         wpa_s->global->p2p_disallow_freq = freq;
4251         wpa_s->global->num_p2p_disallow_freq = count;
4252         wpas_p2p_update_channel_list(wpa_s);
4253         return 0;
4254 }
4255
4256
4257 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4258 {
4259         char *param;
4260
4261         if (wpa_s->global->p2p == NULL)
4262                 return -1;
4263
4264         param = os_strchr(cmd, ' ');
4265         if (param == NULL)
4266                 return -1;
4267         *param++ = '\0';
4268
4269         if (os_strcmp(cmd, "discoverability") == 0) {
4270                 p2p_set_client_discoverability(wpa_s->global->p2p,
4271                                                atoi(param));
4272                 return 0;
4273         }
4274
4275         if (os_strcmp(cmd, "managed") == 0) {
4276                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4277                 return 0;
4278         }
4279
4280         if (os_strcmp(cmd, "listen_channel") == 0) {
4281                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4282                                               atoi(param));
4283         }
4284
4285         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4286                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4287                                             os_strlen(param));
4288         }
4289
4290         if (os_strcmp(cmd, "noa") == 0) {
4291                 char *pos;
4292                 int count, start, duration;
4293                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4294                 count = atoi(param);
4295                 pos = os_strchr(param, ',');
4296                 if (pos == NULL)
4297                         return -1;
4298                 pos++;
4299                 start = atoi(pos);
4300                 pos = os_strchr(pos, ',');
4301                 if (pos == NULL)
4302                         return -1;
4303                 pos++;
4304                 duration = atoi(pos);
4305                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4306                         return -1;
4307                 if (count == 0 && duration > 0)
4308                         return -1;
4309                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4310                            "start=%d duration=%d", count, start, duration);
4311                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4312         }
4313
4314         if (os_strcmp(cmd, "ps") == 0)
4315                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4316
4317         if (os_strcmp(cmd, "oppps") == 0)
4318                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4319
4320         if (os_strcmp(cmd, "ctwindow") == 0)
4321                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4322
4323         if (os_strcmp(cmd, "disabled") == 0) {
4324                 wpa_s->global->p2p_disabled = atoi(param);
4325                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4326                            wpa_s->global->p2p_disabled ?
4327                            "disabled" : "enabled");
4328                 if (wpa_s->global->p2p_disabled) {
4329                         wpas_p2p_stop_find(wpa_s);
4330                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4331                         p2p_flush(wpa_s->global->p2p);
4332                 }
4333                 return 0;
4334         }
4335
4336         if (os_strcmp(cmd, "conc_pref") == 0) {
4337                 if (os_strcmp(param, "sta") == 0)
4338                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4339                 else if (os_strcmp(param, "p2p") == 0)
4340                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4341                 else {
4342                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4343                         return -1;
4344                 }
4345                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4346                            "%s", param);
4347                 return 0;
4348         }
4349
4350         if (os_strcmp(cmd, "force_long_sd") == 0) {
4351                 wpa_s->force_long_sd = atoi(param);
4352                 return 0;
4353         }
4354
4355         if (os_strcmp(cmd, "peer_filter") == 0) {
4356                 u8 addr[ETH_ALEN];
4357                 if (hwaddr_aton(param, addr))
4358                         return -1;
4359                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4360                 return 0;
4361         }
4362
4363         if (os_strcmp(cmd, "cross_connect") == 0)
4364                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4365
4366         if (os_strcmp(cmd, "go_apsd") == 0) {
4367                 if (os_strcmp(param, "disable") == 0)
4368                         wpa_s->set_ap_uapsd = 0;
4369                 else {
4370                         wpa_s->set_ap_uapsd = 1;
4371                         wpa_s->ap_uapsd = atoi(param);
4372                 }
4373                 return 0;
4374         }
4375
4376         if (os_strcmp(cmd, "client_apsd") == 0) {
4377                 if (os_strcmp(param, "disable") == 0)
4378                         wpa_s->set_sta_uapsd = 0;
4379                 else {
4380                         int be, bk, vi, vo;
4381                         char *pos;
4382                         /* format: BE,BK,VI,VO;max SP Length */
4383                         be = atoi(param);
4384                         pos = os_strchr(param, ',');
4385                         if (pos == NULL)
4386                                 return -1;
4387                         pos++;
4388                         bk = atoi(pos);
4389                         pos = os_strchr(pos, ',');
4390                         if (pos == NULL)
4391                                 return -1;
4392                         pos++;
4393                         vi = atoi(pos);
4394                         pos = os_strchr(pos, ',');
4395                         if (pos == NULL)
4396                                 return -1;
4397                         pos++;
4398                         vo = atoi(pos);
4399                         /* ignore max SP Length for now */
4400
4401                         wpa_s->set_sta_uapsd = 1;
4402                         wpa_s->sta_uapsd = 0;
4403                         if (be)
4404                                 wpa_s->sta_uapsd |= BIT(0);
4405                         if (bk)
4406                                 wpa_s->sta_uapsd |= BIT(1);
4407                         if (vi)
4408                                 wpa_s->sta_uapsd |= BIT(2);
4409                         if (vo)
4410                                 wpa_s->sta_uapsd |= BIT(3);
4411                 }
4412                 return 0;
4413         }
4414
4415         if (os_strcmp(cmd, "disallow_freq") == 0)
4416                 return p2p_ctrl_disallow_freq(wpa_s, param);
4417
4418         if (os_strcmp(cmd, "disc_int") == 0) {
4419                 int min_disc_int, max_disc_int, max_disc_tu;
4420                 char *pos;
4421
4422                 pos = param;
4423
4424                 min_disc_int = atoi(pos);
4425                 pos = os_strchr(pos, ' ');
4426                 if (pos == NULL)
4427                         return -1;
4428                 *pos++ = '\0';
4429
4430                 max_disc_int = atoi(pos);
4431                 pos = os_strchr(pos, ' ');
4432                 if (pos == NULL)
4433                         return -1;
4434                 *pos++ = '\0';
4435
4436                 max_disc_tu = atoi(pos);
4437
4438                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4439                                         max_disc_int, max_disc_tu);
4440         }
4441
4442         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4443                    cmd);
4444
4445         return -1;
4446 }
4447
4448
4449 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4450 {
4451         char *pos, *pos2;
4452         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4453
4454         if (cmd[0]) {
4455                 pos = os_strchr(cmd, ' ');
4456                 if (pos == NULL)
4457                         return -1;
4458                 *pos++ = '\0';
4459                 dur1 = atoi(cmd);
4460
4461                 pos2 = os_strchr(pos, ' ');
4462                 if (pos2)
4463                         *pos2++ = '\0';
4464                 int1 = atoi(pos);
4465         } else
4466                 pos2 = NULL;
4467
4468         if (pos2) {
4469                 pos = os_strchr(pos2, ' ');
4470                 if (pos == NULL)
4471                         return -1;
4472                 *pos++ = '\0';
4473                 dur2 = atoi(pos2);
4474                 int2 = atoi(pos);
4475         }
4476
4477         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4478 }
4479
4480
4481 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4482 {
4483         char *pos;
4484         unsigned int period = 0, interval = 0;
4485
4486         if (cmd[0]) {
4487                 pos = os_strchr(cmd, ' ');
4488                 if (pos == NULL)
4489                         return -1;
4490                 *pos++ = '\0';
4491                 period = atoi(cmd);
4492                 interval = atoi(pos);
4493         }
4494
4495         return wpas_p2p_ext_listen(wpa_s, period, interval);
4496 }
4497
4498 #endif /* CONFIG_P2P */
4499
4500
4501 #ifdef CONFIG_INTERWORKING
4502 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4503 {
4504         u8 bssid[ETH_ALEN];
4505         struct wpa_bss *bss;
4506
4507         if (hwaddr_aton(dst, bssid)) {
4508                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4509                 return -1;
4510         }
4511
4512         bss = wpa_bss_get_bssid(wpa_s, bssid);
4513         if (bss == NULL) {
4514                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4515                            MAC2STR(bssid));
4516                 return -1;
4517         }
4518
4519         return interworking_connect(wpa_s, bss);
4520 }
4521
4522
4523 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4524 {
4525         u8 dst_addr[ETH_ALEN];
4526         int used;
4527         char *pos;
4528 #define MAX_ANQP_INFO_ID 100
4529         u16 id[MAX_ANQP_INFO_ID];
4530         size_t num_id = 0;
4531
4532         used = hwaddr_aton2(dst, dst_addr);
4533         if (used < 0)
4534                 return -1;
4535         pos = dst + used;
4536         while (num_id < MAX_ANQP_INFO_ID) {
4537                 id[num_id] = atoi(pos);
4538                 if (id[num_id])
4539                         num_id++;
4540                 pos = os_strchr(pos + 1, ',');
4541                 if (pos == NULL)
4542                         break;
4543                 pos++;
4544         }
4545
4546         if (num_id == 0)
4547                 return -1;
4548
4549         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4550 }
4551
4552
4553 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4554 {
4555         u8 dst_addr[ETH_ALEN];
4556         struct wpabuf *advproto, *query = NULL;
4557         int used, ret = -1;
4558         char *pos, *end;
4559         size_t len;
4560
4561         used = hwaddr_aton2(cmd, dst_addr);
4562         if (used < 0)
4563                 return -1;
4564
4565         pos = cmd + used;
4566         while (*pos == ' ')
4567                 pos++;
4568
4569         /* Advertisement Protocol ID */
4570         end = os_strchr(pos, ' ');
4571         if (end)
4572                 len = end - pos;
4573         else
4574                 len = os_strlen(pos);
4575         if (len & 0x01)
4576                 return -1;
4577         len /= 2;
4578         if (len == 0)
4579                 return -1;
4580         advproto = wpabuf_alloc(len);
4581         if (advproto == NULL)
4582                 return -1;
4583         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4584                 goto fail;
4585
4586         if (end) {
4587                 /* Optional Query Request */
4588                 pos = end + 1;
4589                 while (*pos == ' ')
4590                         pos++;
4591
4592                 len = os_strlen(pos);
4593                 if (len) {
4594                         if (len & 0x01)
4595                                 goto fail;
4596                         len /= 2;
4597                         if (len == 0)
4598                                 goto fail;
4599                         query = wpabuf_alloc(len);
4600                         if (query == NULL)
4601                                 goto fail;
4602                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4603                                 goto fail;
4604                 }
4605         }
4606
4607         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4608
4609 fail:
4610         wpabuf_free(advproto);
4611         wpabuf_free(query);
4612
4613         return ret;
4614 }
4615
4616
4617 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4618                             size_t buflen)
4619 {
4620         u8 addr[ETH_ALEN];
4621         int dialog_token;
4622         int used;
4623         char *pos;
4624         size_t resp_len, start, requested_len;
4625
4626         if (!wpa_s->last_gas_resp)
4627                 return -1;
4628
4629         used = hwaddr_aton2(cmd, addr);
4630         if (used < 0)
4631                 return -1;
4632
4633         pos = cmd + used;
4634         while (*pos == ' ')
4635                 pos++;
4636         dialog_token = atoi(pos);
4637
4638         if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4639             dialog_token != wpa_s->last_gas_dialog_token)
4640                 return -1;
4641
4642         resp_len = wpabuf_len(wpa_s->last_gas_resp);
4643         start = 0;
4644         requested_len = resp_len;
4645
4646         pos = os_strchr(pos, ' ');
4647         if (pos) {
4648                 start = atoi(pos);
4649                 if (start > resp_len)
4650                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4651                 pos = os_strchr(pos, ',');
4652                 if (pos == NULL)
4653                         return -1;
4654                 pos++;
4655                 requested_len = atoi(pos);
4656                 if (start + requested_len > resp_len)
4657                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4658         }
4659
4660         if (requested_len * 2 + 1 > buflen)
4661                 return os_snprintf(buf, buflen, "FAIL-Too long response");
4662
4663         return wpa_snprintf_hex(buf, buflen,
4664                                 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4665                                 requested_len);
4666 }
4667 #endif /* CONFIG_INTERWORKING */
4668
4669
4670 #ifdef CONFIG_HS20
4671
4672 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4673 {
4674         u8 dst_addr[ETH_ALEN];
4675         int used;
4676         char *pos;
4677         u32 subtypes = 0;
4678
4679         used = hwaddr_aton2(dst, dst_addr);
4680         if (used < 0)
4681                 return -1;
4682         pos = dst + used;
4683         for (;;) {
4684                 int num = atoi(pos);
4685                 if (num <= 0 || num > 31)
4686                         return -1;
4687                 subtypes |= BIT(num);
4688                 pos = os_strchr(pos + 1, ',');
4689                 if (pos == NULL)
4690                         break;
4691                 pos++;
4692         }
4693
4694         if (subtypes == 0)
4695                 return -1;
4696
4697         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4698 }
4699
4700
4701 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4702                                     const u8 *addr, const char *realm)
4703 {
4704         u8 *buf;
4705         size_t rlen, len;
4706         int ret;
4707
4708         rlen = os_strlen(realm);
4709         len = 3 + rlen;
4710         buf = os_malloc(len);
4711         if (buf == NULL)
4712                 return -1;
4713         buf[0] = 1; /* NAI Home Realm Count */
4714         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4715         buf[2] = rlen;
4716         os_memcpy(buf + 3, realm, rlen);
4717
4718         ret = hs20_anqp_send_req(wpa_s, addr,
4719                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4720                                  buf, len);
4721
4722         os_free(buf);
4723
4724         return ret;
4725 }
4726
4727
4728 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4729                                         char *dst)
4730 {
4731         struct wpa_cred *cred = wpa_s->conf->cred;
4732         u8 dst_addr[ETH_ALEN];
4733         int used;
4734         u8 *buf;
4735         size_t len;
4736         int ret;
4737
4738         used = hwaddr_aton2(dst, dst_addr);
4739         if (used < 0)
4740                 return -1;
4741
4742         while (dst[used] == ' ')
4743                 used++;
4744         if (os_strncmp(dst + used, "realm=", 6) == 0)
4745                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4746                                                 dst + used + 6);
4747
4748         len = os_strlen(dst + used);
4749
4750         if (len == 0 && cred && cred->realm)
4751                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4752
4753         if (len % 1)
4754                 return -1;
4755         len /= 2;
4756         buf = os_malloc(len);
4757         if (buf == NULL)
4758                 return -1;
4759         if (hexstr2bin(dst + used, buf, len) < 0) {
4760                 os_free(buf);
4761                 return -1;
4762         }
4763
4764         ret = hs20_anqp_send_req(wpa_s, dst_addr,
4765                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4766                                  buf, len);
4767         os_free(buf);
4768
4769         return ret;
4770 }
4771
4772 #endif /* CONFIG_HS20 */
4773
4774
4775 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4776         struct wpa_supplicant *wpa_s, char *cmd)
4777 {
4778         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4779         return 0;
4780 }
4781
4782
4783 #ifdef CONFIG_AUTOSCAN
4784
4785 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4786                                               char *cmd)
4787 {
4788         enum wpa_states state = wpa_s->wpa_state;
4789         char *new_params = NULL;
4790
4791         if (os_strlen(cmd) > 0) {
4792                 new_params = os_strdup(cmd);
4793                 if (new_params == NULL)
4794                         return -1;
4795         }
4796
4797         os_free(wpa_s->conf->autoscan);
4798         wpa_s->conf->autoscan = new_params;
4799
4800         if (wpa_s->conf->autoscan == NULL)
4801                 autoscan_deinit(wpa_s);
4802         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4803                 autoscan_init(wpa_s, 1);
4804         else if (state == WPA_SCANNING)
4805                 wpa_supplicant_reinit_autoscan(wpa_s);
4806
4807         return 0;
4808 }
4809
4810 #endif /* CONFIG_AUTOSCAN */
4811
4812
4813 #ifdef CONFIG_WNM
4814
4815 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
4816 {
4817         int enter;
4818         int intval = 0;
4819         char *pos;
4820         int ret;
4821         struct wpabuf *tfs_req = NULL;
4822
4823         if (os_strncmp(cmd, "enter", 5) == 0)
4824                 enter = 1;
4825         else if (os_strncmp(cmd, "exit", 4) == 0)
4826                 enter = 0;
4827         else
4828                 return -1;
4829
4830         pos = os_strstr(cmd, " interval=");
4831         if (pos)
4832                 intval = atoi(pos + 10);
4833
4834         pos = os_strstr(cmd, " tfs_req=");
4835         if (pos) {
4836                 char *end;
4837                 size_t len;
4838                 pos += 9;
4839                 end = os_strchr(pos, ' ');
4840                 if (end)
4841                         len = end - pos;
4842                 else
4843                         len = os_strlen(pos);
4844                 if (len & 1)
4845                         return -1;
4846                 len /= 2;
4847                 tfs_req = wpabuf_alloc(len);
4848                 if (tfs_req == NULL)
4849                         return -1;
4850                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
4851                         wpabuf_free(tfs_req);
4852                         return -1;
4853                 }
4854         }
4855
4856         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
4857                                            WNM_SLEEP_MODE_EXIT, intval,
4858                                            tfs_req);
4859         wpabuf_free(tfs_req);
4860
4861         return ret;
4862 }
4863
4864 #endif /* CONFIG_WNM */
4865
4866
4867 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
4868                                       size_t buflen)
4869 {
4870         struct wpa_signal_info si;
4871         int ret;
4872
4873         ret = wpa_drv_signal_poll(wpa_s, &si);
4874         if (ret)
4875                 return -1;
4876
4877         ret = os_snprintf(buf, buflen, "RSSI=%d\nLINKSPEED=%d\n"
4878                           "NOISE=%d\nFREQUENCY=%u\n",
4879                           si.current_signal, si.current_txrate / 1000,
4880                           si.current_noise, si.frequency);
4881         if (ret < 0 || (unsigned int) ret > buflen)
4882                 return -1;
4883         return ret;
4884 }
4885
4886
4887 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
4888                                       size_t buflen)
4889 {
4890         struct hostap_sta_driver_data sta;
4891         int ret;
4892
4893         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
4894         if (ret)
4895                 return -1;
4896
4897         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
4898                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
4899         if (ret < 0 || (size_t) ret > buflen)
4900                 return -1;
4901         return ret;
4902 }
4903
4904
4905 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
4906                                          char *buf, size_t *resp_len)
4907 {
4908         char *reply;
4909         const int reply_size = 4096;
4910         int ctrl_rsp = 0;
4911         int reply_len;
4912
4913         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
4914             os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
4915             os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
4916             os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0 ||
4917             os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
4918                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
4919                                       (const u8 *) buf, os_strlen(buf));
4920         } else {
4921                 int level = MSG_DEBUG;
4922                 if (os_strcmp(buf, "PING") == 0)
4923                         level = MSG_EXCESSIVE;
4924                 wpa_hexdump_ascii(level, "RX ctrl_iface",
4925                                   (const u8 *) buf, os_strlen(buf));
4926                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
4927         }
4928
4929         reply = os_malloc(reply_size);
4930         if (reply == NULL) {
4931                 *resp_len = 1;
4932                 return NULL;
4933         }
4934
4935         os_memcpy(reply, "OK\n", 3);
4936         reply_len = 3;
4937
4938         if (os_strcmp(buf, "PING") == 0) {
4939                 os_memcpy(reply, "PONG\n", 5);
4940                 reply_len = 5;
4941         } else if (os_strcmp(buf, "IFNAME") == 0) {
4942                 reply_len = os_strlen(wpa_s->ifname);
4943                 os_memcpy(reply, wpa_s->ifname, reply_len);
4944         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
4945                 if (wpa_debug_reopen_file() < 0)
4946                         reply_len = -1;
4947         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
4948                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
4949         } else if (os_strcmp(buf, "MIB") == 0) {
4950                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
4951                 if (reply_len >= 0) {
4952                         int res;
4953                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
4954                                                reply_size - reply_len);
4955                         if (res < 0)
4956                                 reply_len = -1;
4957                         else
4958                                 reply_len += res;
4959                 }
4960         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
4961                 reply_len = wpa_supplicant_ctrl_iface_status(
4962                         wpa_s, buf + 6, reply, reply_size);
4963         } else if (os_strcmp(buf, "PMKSA") == 0) {
4964                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
4965                                                     reply_size);
4966         } else if (os_strncmp(buf, "SET ", 4) == 0) {
4967                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
4968                         reply_len = -1;
4969         } else if (os_strncmp(buf, "GET ", 4) == 0) {
4970                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
4971                                                           reply, reply_size);
4972         } else if (os_strcmp(buf, "LOGON") == 0) {
4973                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
4974         } else if (os_strcmp(buf, "LOGOFF") == 0) {
4975                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
4976         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
4977                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4978                         reply_len = -1;
4979                 else
4980                         wpas_request_connection(wpa_s);
4981         } else if (os_strcmp(buf, "RECONNECT") == 0) {
4982                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4983                         reply_len = -1;
4984                 else if (wpa_s->disconnected)
4985                         wpas_request_connection(wpa_s);
4986 #ifdef IEEE8021X_EAPOL
4987         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
4988                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
4989                         reply_len = -1;
4990 #endif /* IEEE8021X_EAPOL */
4991 #ifdef CONFIG_PEERKEY
4992         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
4993                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
4994                         reply_len = -1;
4995 #endif /* CONFIG_PEERKEY */
4996 #ifdef CONFIG_IEEE80211R
4997         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
4998                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
4999                         reply_len = -1;
5000 #endif /* CONFIG_IEEE80211R */
5001 #ifdef CONFIG_WPS
5002         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
5003                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
5004                 if (res == -2) {
5005                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5006                         reply_len = 17;
5007                 } else if (res)
5008                         reply_len = -1;
5009         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
5010                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
5011                 if (res == -2) {
5012                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5013                         reply_len = 17;
5014                 } else if (res)
5015                         reply_len = -1;
5016         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
5017                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
5018                                                               reply,
5019                                                               reply_size);
5020         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
5021                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
5022                         wpa_s, buf + 14, reply, reply_size);
5023         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
5024                 if (wpas_wps_cancel(wpa_s))
5025                         reply_len = -1;
5026 #ifdef CONFIG_WPS_NFC
5027         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
5028                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
5029                         reply_len = -1;
5030         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
5031                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
5032                         reply_len = -1;
5033         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
5034                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
5035                         wpa_s, buf + 21, reply, reply_size);
5036         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
5037                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
5038                         wpa_s, buf + 14, reply, reply_size);
5039         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
5040                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
5041                                                                buf + 17))
5042                         reply_len = -1;
5043         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
5044                 reply_len = wpas_ctrl_nfc_get_handover_req(
5045                         wpa_s, buf + 21, reply, reply_size);
5046         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
5047                 reply_len = wpas_ctrl_nfc_get_handover_sel(
5048                         wpa_s, buf + 21, reply, reply_size);
5049         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
5050                 reply_len = wpas_ctrl_nfc_rx_handover_req(
5051                         wpa_s, buf + 20, reply, reply_size);
5052         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
5053                 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
5054                         reply_len = -1;
5055         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
5056                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
5057                         reply_len = -1;
5058 #endif /* CONFIG_WPS_NFC */
5059         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
5060                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
5061                         reply_len = -1;
5062 #ifdef CONFIG_AP
5063         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
5064                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
5065                         wpa_s, buf + 11, reply, reply_size);
5066 #endif /* CONFIG_AP */
5067 #ifdef CONFIG_WPS_ER
5068         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
5069                 if (wpas_wps_er_start(wpa_s, NULL))
5070                         reply_len = -1;
5071         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
5072                 if (wpas_wps_er_start(wpa_s, buf + 13))
5073                         reply_len = -1;
5074         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
5075                 if (wpas_wps_er_stop(wpa_s))
5076                         reply_len = -1;
5077         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
5078                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
5079                         reply_len = -1;
5080         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
5081                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
5082                 if (ret == -2) {
5083                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5084                         reply_len = 17;
5085                 } else if (ret == -3) {
5086                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
5087                         reply_len = 18;
5088                 } else if (ret == -4) {
5089                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
5090                         reply_len = 20;
5091                 } else if (ret)
5092                         reply_len = -1;
5093         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
5094                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
5095                         reply_len = -1;
5096         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
5097                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
5098                                                                 buf + 18))
5099                         reply_len = -1;
5100         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
5101                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
5102                         reply_len = -1;
5103 #ifdef CONFIG_WPS_NFC
5104         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
5105                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
5106                         wpa_s, buf + 24, reply, reply_size);
5107 #endif /* CONFIG_WPS_NFC */
5108 #endif /* CONFIG_WPS_ER */
5109 #endif /* CONFIG_WPS */
5110 #ifdef CONFIG_IBSS_RSN
5111         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
5112                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
5113                         reply_len = -1;
5114 #endif /* CONFIG_IBSS_RSN */
5115 #ifdef CONFIG_P2P
5116         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
5117                 if (p2p_ctrl_find(wpa_s, buf + 9))
5118                         reply_len = -1;
5119         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
5120                 if (p2p_ctrl_find(wpa_s, ""))
5121                         reply_len = -1;
5122         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
5123                 wpas_p2p_stop_find(wpa_s);
5124         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
5125                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
5126                                              reply_size);
5127         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
5128                 if (p2p_ctrl_listen(wpa_s, buf + 11))
5129                         reply_len = -1;
5130         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
5131                 if (p2p_ctrl_listen(wpa_s, ""))
5132                         reply_len = -1;
5133         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
5134                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
5135                         reply_len = -1;
5136         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
5137                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0))
5138                         reply_len = -1;
5139         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
5140                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
5141                         reply_len = -1;
5142         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
5143                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
5144                         reply_len = -1;
5145         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
5146                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
5147         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
5148                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
5149                                                    reply_size);
5150         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
5151                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
5152                         reply_len = -1;
5153         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
5154                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
5155                         reply_len = -1;
5156         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
5157                 wpas_p2p_sd_service_update(wpa_s);
5158         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
5159                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
5160                         reply_len = -1;
5161         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
5162                 wpas_p2p_service_flush(wpa_s);
5163         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
5164                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
5165                         reply_len = -1;
5166         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
5167                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
5168                         reply_len = -1;
5169         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
5170                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
5171                         reply_len = -1;
5172         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
5173                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
5174                         reply_len = -1;
5175         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
5176                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
5177                                               reply_size);
5178         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
5179                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
5180                         reply_len = -1;
5181         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
5182                 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5183                 wpa_s->force_long_sd = 0;
5184                 if (wpa_s->global->p2p)
5185                         p2p_flush(wpa_s->global->p2p);
5186         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
5187                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
5188                         reply_len = -1;
5189         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
5190                 if (wpas_p2p_cancel(wpa_s))
5191                         reply_len = -1;
5192         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
5193                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
5194                         reply_len = -1;
5195         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
5196                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
5197                         reply_len = -1;
5198         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
5199                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
5200                         reply_len = -1;
5201         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
5202                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
5203                         reply_len = -1;
5204 #endif /* CONFIG_P2P */
5205 #ifdef CONFIG_WIFI_DISPLAY
5206         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
5207                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
5208                         reply_len = -1;
5209         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
5210                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
5211                                                      reply, reply_size);
5212 #endif /* CONFIG_WIFI_DISPLAY */
5213 #ifdef CONFIG_INTERWORKING
5214         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
5215                 if (interworking_fetch_anqp(wpa_s) < 0)
5216                         reply_len = -1;
5217         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
5218                 interworking_stop_fetch_anqp(wpa_s);
5219         } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
5220                 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
5221                                         NULL) < 0)
5222                         reply_len = -1;
5223         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
5224                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
5225                         reply_len = -1;
5226         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
5227                 if (get_anqp(wpa_s, buf + 9) < 0)
5228                         reply_len = -1;
5229         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
5230                 if (gas_request(wpa_s, buf + 12) < 0)
5231                         reply_len = -1;
5232         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
5233                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
5234                                              reply_size);
5235 #endif /* CONFIG_INTERWORKING */
5236 #ifdef CONFIG_HS20
5237         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
5238                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
5239                         reply_len = -1;
5240         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
5241                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
5242                         reply_len = -1;
5243 #endif /* CONFIG_HS20 */
5244         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
5245         {
5246                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
5247                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
5248                         reply_len = -1;
5249                 else
5250                         ctrl_rsp = 1;
5251         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
5252                 if (wpa_supplicant_reload_configuration(wpa_s))
5253                         reply_len = -1;
5254         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5255                 wpa_supplicant_terminate_proc(wpa_s->global);
5256         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
5257                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
5258                         reply_len = -1;
5259         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
5260                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
5261                         wpa_s, buf + 9, reply, reply_size);
5262         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
5263                 reply_len = wpa_supplicant_ctrl_iface_log_level(
5264                         wpa_s, buf + 9, reply, reply_size);
5265         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
5266                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
5267                         wpa_s, reply, reply_size);
5268         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
5269 #ifdef CONFIG_SME
5270                 wpa_s->sme.prev_bssid_set = 0;
5271 #endif /* CONFIG_SME */
5272                 wpa_s->reassociate = 0;
5273                 wpa_s->disconnected = 1;
5274                 wpa_supplicant_cancel_sched_scan(wpa_s);
5275                 wpa_supplicant_cancel_scan(wpa_s);
5276                 wpa_supplicant_deauthenticate(wpa_s,
5277                                               WLAN_REASON_DEAUTH_LEAVING);
5278         } else if (os_strcmp(buf, "SCAN") == 0 ||
5279                    os_strncmp(buf, "SCAN ", 5) == 0) {
5280                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5281                         reply_len = -1;
5282                 else {
5283                         if (os_strlen(buf) > 4 &&
5284                             os_strncasecmp(buf + 5, "TYPE=ONLY", 9) == 0)
5285                                 wpa_s->scan_res_handler = scan_only_handler;
5286                         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5287                             ((wpa_s->wpa_state <= WPA_SCANNING) ||
5288                              (wpa_s->wpa_state == WPA_COMPLETED))) {
5289                                 wpa_s->normal_scans = 0;
5290                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5291                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5292                         } else if (wpa_s->sched_scanning) {
5293                                 wpa_printf(MSG_DEBUG, "Stop ongoing "
5294                                            "sched_scan to allow requested "
5295                                            "full scan to proceed");
5296                                 wpa_supplicant_cancel_sched_scan(wpa_s);
5297                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5298                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5299                         } else {
5300                                 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
5301                                            "reject new request");
5302                                 reply_len = os_snprintf(reply, reply_size,
5303                                                         "FAIL-BUSY\n");
5304                         }
5305                 }
5306         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
5307                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
5308                         wpa_s, reply, reply_size);
5309         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
5310                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
5311                         reply_len = -1;
5312         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
5313                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
5314                         reply_len = -1;
5315         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
5316                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
5317                         reply_len = -1;
5318         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
5319                 reply_len = wpa_supplicant_ctrl_iface_add_network(
5320                         wpa_s, reply, reply_size);
5321         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
5322                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
5323                         reply_len = -1;
5324         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5325                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
5326                         reply_len = -1;
5327         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
5328                 reply_len = wpa_supplicant_ctrl_iface_get_network(
5329                         wpa_s, buf + 12, reply, reply_size);
5330         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
5331                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
5332                         wpa_s, reply, reply_size);
5333         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
5334                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
5335                         wpa_s, reply, reply_size);
5336         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
5337                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
5338                         reply_len = -1;
5339         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
5340                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
5341                         reply_len = -1;
5342 #ifndef CONFIG_NO_CONFIG_WRITE
5343         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
5344                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
5345                         reply_len = -1;
5346 #endif /* CONFIG_NO_CONFIG_WRITE */
5347         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
5348                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
5349                         wpa_s, buf + 15, reply, reply_size);
5350         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
5351                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
5352                         reply_len = -1;
5353         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
5354                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
5355                         reply_len = -1;
5356         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5357                 reply_len = wpa_supplicant_global_iface_list(
5358                         wpa_s->global, reply, reply_size);
5359         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5360                 reply_len = wpa_supplicant_global_iface_interfaces(
5361                         wpa_s->global, reply, reply_size);
5362         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
5363                 reply_len = wpa_supplicant_ctrl_iface_bss(
5364                         wpa_s, buf + 4, reply, reply_size);
5365 #ifdef CONFIG_AP
5366         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
5367                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
5368         } else if (os_strncmp(buf, "STA ", 4) == 0) {
5369                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
5370                                               reply_size);
5371         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
5372                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
5373                                                    reply_size);
5374         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
5375                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
5376                         reply_len = -1;
5377         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
5378                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
5379                         reply_len = -1;
5380 #endif /* CONFIG_AP */
5381         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5382                 wpas_notify_suspend(wpa_s->global);
5383         } else if (os_strcmp(buf, "RESUME") == 0) {
5384                 wpas_notify_resume(wpa_s->global);
5385         } else if (os_strcmp(buf, "DROP_SA") == 0) {
5386                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
5387         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
5388                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
5389                         reply_len = -1;
5390         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
5391                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
5392                         reply_len = -1;
5393         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
5394                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
5395                         reply_len = -1;
5396         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
5397                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
5398                                                                buf + 17))
5399                         reply_len = -1;
5400         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
5401                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
5402                         reply_len = -1;
5403 #ifdef CONFIG_TDLS
5404         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
5405                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
5406                         reply_len = -1;
5407         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
5408                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
5409                         reply_len = -1;
5410         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
5411                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
5412                         reply_len = -1;
5413 #endif /* CONFIG_TDLS */
5414         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
5415                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
5416                                                        reply_size);
5417         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
5418                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
5419                                                        reply_size);
5420 #ifdef CONFIG_AUTOSCAN
5421         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
5422                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
5423                         reply_len = -1;
5424 #endif /* CONFIG_AUTOSCAN */
5425         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
5426                 pmksa_cache_clear_current(wpa_s->wpa);
5427                 eapol_sm_request_reauth(wpa_s->eapol);
5428 #ifdef CONFIG_WNM
5429         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
5430                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
5431                         reply_len = -1;
5432 #endif /* CONFIG_WNM */
5433         } else {
5434                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5435                 reply_len = 16;
5436         }
5437
5438         if (reply_len < 0) {
5439                 os_memcpy(reply, "FAIL\n", 5);
5440                 reply_len = 5;
5441         }
5442
5443         if (ctrl_rsp)
5444                 eapol_sm_notify_ctrl_response(wpa_s->eapol);
5445
5446         *resp_len = reply_len;
5447         return reply;
5448 }
5449
5450
5451 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
5452                                            char *cmd)
5453 {
5454         struct wpa_interface iface;
5455         char *pos;
5456
5457         /*
5458          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
5459          * TAB<bridge_ifname>
5460          */
5461         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
5462
5463         os_memset(&iface, 0, sizeof(iface));
5464
5465         do {
5466                 iface.ifname = pos = cmd;
5467                 pos = os_strchr(pos, '\t');
5468                 if (pos)
5469                         *pos++ = '\0';
5470                 if (iface.ifname[0] == '\0')
5471                         return -1;
5472                 if (pos == NULL)
5473                         break;
5474
5475                 iface.confname = pos;
5476                 pos = os_strchr(pos, '\t');
5477                 if (pos)
5478                         *pos++ = '\0';
5479                 if (iface.confname[0] == '\0')
5480                         iface.confname = NULL;
5481                 if (pos == NULL)
5482                         break;
5483
5484                 iface.driver = pos;
5485                 pos = os_strchr(pos, '\t');
5486                 if (pos)
5487                         *pos++ = '\0';
5488                 if (iface.driver[0] == '\0')
5489                         iface.driver = NULL;
5490                 if (pos == NULL)
5491                         break;
5492
5493                 iface.ctrl_interface = pos;
5494                 pos = os_strchr(pos, '\t');
5495                 if (pos)
5496                         *pos++ = '\0';
5497                 if (iface.ctrl_interface[0] == '\0')
5498                         iface.ctrl_interface = NULL;
5499                 if (pos == NULL)
5500                         break;
5501
5502                 iface.driver_param = pos;
5503                 pos = os_strchr(pos, '\t');
5504                 if (pos)
5505                         *pos++ = '\0';
5506                 if (iface.driver_param[0] == '\0')
5507                         iface.driver_param = NULL;
5508                 if (pos == NULL)
5509                         break;
5510
5511                 iface.bridge_ifname = pos;
5512                 pos = os_strchr(pos, '\t');
5513                 if (pos)
5514                         *pos++ = '\0';
5515                 if (iface.bridge_ifname[0] == '\0')
5516                         iface.bridge_ifname = NULL;
5517                 if (pos == NULL)
5518                         break;
5519         } while (0);
5520
5521         if (wpa_supplicant_get_iface(global, iface.ifname))
5522                 return -1;
5523
5524         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
5525 }
5526
5527
5528 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
5529                                               char *cmd)
5530 {
5531         struct wpa_supplicant *wpa_s;
5532
5533         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
5534
5535         wpa_s = wpa_supplicant_get_iface(global, cmd);
5536         if (wpa_s == NULL)
5537                 return -1;
5538         return wpa_supplicant_remove_iface(global, wpa_s, 0);
5539 }
5540
5541
5542 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5543 {
5544         struct wpa_interface_info *prev;
5545
5546         while (iface) {
5547                 prev = iface;
5548                 iface = iface->next;
5549
5550                 os_free(prev->ifname);
5551                 os_free(prev->desc);
5552                 os_free(prev);
5553         }
5554 }
5555
5556
5557 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5558                                             char *buf, int len)
5559 {
5560         int i, res;
5561         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5562         char *pos, *end;
5563
5564         for (i = 0; wpa_drivers[i]; i++) {
5565                 struct wpa_driver_ops *drv = wpa_drivers[i];
5566                 if (drv->get_interfaces == NULL)
5567                         continue;
5568                 tmp = drv->get_interfaces(global->drv_priv[i]);
5569                 if (tmp == NULL)
5570                         continue;
5571
5572                 if (last == NULL)
5573                         iface = last = tmp;
5574                 else
5575                         last->next = tmp;
5576                 while (last->next)
5577                         last = last->next;
5578         }
5579
5580         pos = buf;
5581         end = buf + len;
5582         for (tmp = iface; tmp; tmp = tmp->next) {
5583                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5584                                   tmp->drv_name, tmp->ifname,
5585                                   tmp->desc ? tmp->desc : "");
5586                 if (res < 0 || res >= end - pos) {
5587                         *pos = '\0';
5588                         break;
5589                 }
5590                 pos += res;
5591         }
5592
5593         wpa_free_iface_info(iface);
5594
5595         return pos - buf;
5596 }
5597
5598
5599 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5600                                                   char *buf, int len)
5601 {
5602         int res;
5603         char *pos, *end;
5604         struct wpa_supplicant *wpa_s;
5605
5606         wpa_s = global->ifaces;
5607         pos = buf;
5608         end = buf + len;
5609
5610         while (wpa_s) {
5611                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5612                 if (res < 0 || res >= end - pos) {
5613                         *pos = '\0';
5614                         break;
5615                 }
5616                 pos += res;
5617                 wpa_s = wpa_s->next;
5618         }
5619         return pos - buf;
5620 }
5621
5622
5623 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
5624                                                 char *buf, size_t *resp_len)
5625 {
5626         char *reply;
5627         const int reply_size = 2048;
5628         int reply_len;
5629         int level = MSG_DEBUG;
5630
5631         if (os_strcmp(buf, "PING") == 0)
5632                 level = MSG_EXCESSIVE;
5633         wpa_hexdump_ascii(level, "RX global ctrl_iface",
5634                           (const u8 *) buf, os_strlen(buf));
5635
5636         reply = os_malloc(reply_size);
5637         if (reply == NULL) {
5638                 *resp_len = 1;
5639                 return NULL;
5640         }
5641
5642         os_memcpy(reply, "OK\n", 3);
5643         reply_len = 3;
5644
5645         if (os_strcmp(buf, "PING") == 0) {
5646                 os_memcpy(reply, "PONG\n", 5);
5647                 reply_len = 5;
5648         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
5649                 if (wpa_supplicant_global_iface_add(global, buf + 14))
5650                         reply_len = -1;
5651         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
5652                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
5653                         reply_len = -1;
5654         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5655                 reply_len = wpa_supplicant_global_iface_list(
5656                         global, reply, reply_size);
5657         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5658                 reply_len = wpa_supplicant_global_iface_interfaces(
5659                         global, reply, reply_size);
5660         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5661                 wpa_supplicant_terminate_proc(global);
5662         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5663                 wpas_notify_suspend(global);
5664         } else if (os_strcmp(buf, "RESUME") == 0) {
5665                 wpas_notify_resume(global);
5666         } else {
5667                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5668                 reply_len = 16;
5669         }
5670
5671         if (reply_len < 0) {
5672                 os_memcpy(reply, "FAIL\n", 5);
5673                 reply_len = 5;
5674         }
5675
5676         *resp_len = reply_len;
5677         return reply;
5678 }