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> | \93\94
 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 || cmd[0] == '\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 #ifdef ANDROID
1589         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
1590                      "id=%d state=%d BSSID=" MACSTR " SSID=%s",
1591                      wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
1592                      wpa_s->wpa_state,
1593                      MAC2STR(wpa_s->bssid),
1594                      wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
1595                      wpa_ssid_txt(wpa_s->current_ssid->ssid,
1596                      wpa_s->current_ssid->ssid_len) : "");
1597         if (wpa_s->wpa_state == WPA_COMPLETED) {
1598                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1599                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED "- connection to "
1600                         MACSTR " completed %s [id=%d id_str=%s]",
1601                         MAC2STR(wpa_s->bssid), "(auth)",
1602                         ssid ? ssid->id : -1,
1603                         ssid && ssid->id_str ? ssid->id_str : "");
1604         }
1605 #endif /* ANDROID */
1606
1607         return pos - buf;
1608 }
1609
1610
1611 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1612                                            char *cmd)
1613 {
1614         char *pos;
1615         int id;
1616         struct wpa_ssid *ssid;
1617         u8 bssid[ETH_ALEN];
1618
1619         /* cmd: "<network id> <BSSID>" */
1620         pos = os_strchr(cmd, ' ');
1621         if (pos == NULL)
1622                 return -1;
1623         *pos++ = '\0';
1624         id = atoi(cmd);
1625         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1626         if (hwaddr_aton(pos, bssid)) {
1627                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1628                 return -1;
1629         }
1630
1631         ssid = wpa_config_get_network(wpa_s->conf, id);
1632         if (ssid == NULL) {
1633                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1634                            "to update", id);
1635                 return -1;
1636         }
1637
1638         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1639         ssid->bssid_set = !is_zero_ether_addr(bssid);
1640
1641         return 0;
1642 }
1643
1644
1645 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1646                                                char *cmd, char *buf,
1647                                                size_t buflen)
1648 {
1649         u8 bssid[ETH_ALEN];
1650         struct wpa_blacklist *e;
1651         char *pos, *end;
1652         int ret;
1653
1654         /* cmd: "BLACKLIST [<BSSID>]" */
1655         if (*cmd == '\0') {
1656                 pos = buf;
1657                 end = buf + buflen;
1658                 e = wpa_s->blacklist;
1659                 while (e) {
1660                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1661                                           MAC2STR(e->bssid));
1662                         if (ret < 0 || ret >= end - pos)
1663                                 return pos - buf;
1664                         pos += ret;
1665                         e = e->next;
1666                 }
1667                 return pos - buf;
1668         }
1669
1670         cmd++;
1671         if (os_strncmp(cmd, "clear", 5) == 0) {
1672                 wpa_blacklist_clear(wpa_s);
1673                 os_memcpy(buf, "OK\n", 3);
1674                 return 3;
1675         }
1676
1677         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1678         if (hwaddr_aton(cmd, bssid)) {
1679                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1680                 return -1;
1681         }
1682
1683         /*
1684          * Add the BSSID twice, so its count will be 2, causing it to be
1685          * skipped when processing scan results.
1686          */
1687         ret = wpa_blacklist_add(wpa_s, bssid);
1688         if (ret != 0)
1689                 return -1;
1690         ret = wpa_blacklist_add(wpa_s, bssid);
1691         if (ret != 0)
1692                 return -1;
1693         os_memcpy(buf, "OK\n", 3);
1694         return 3;
1695 }
1696
1697
1698 extern int wpa_debug_level;
1699 extern int wpa_debug_timestamp;
1700
1701 static const char * debug_level_str(int level)
1702 {
1703         switch (level) {
1704         case MSG_EXCESSIVE:
1705                 return "EXCESSIVE";
1706         case MSG_MSGDUMP:
1707                 return "MSGDUMP";
1708         case MSG_DEBUG:
1709                 return "DEBUG";
1710         case MSG_INFO:
1711                 return "INFO";
1712         case MSG_WARNING:
1713                 return "WARNING";
1714         case MSG_ERROR:
1715                 return "ERROR";
1716         default:
1717                 return "?";
1718         }
1719 }
1720
1721
1722 static int str_to_debug_level(const char *s)
1723 {
1724         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1725                 return MSG_EXCESSIVE;
1726         if (os_strcasecmp(s, "MSGDUMP") == 0)
1727                 return MSG_MSGDUMP;
1728         if (os_strcasecmp(s, "DEBUG") == 0)
1729                 return MSG_DEBUG;
1730         if (os_strcasecmp(s, "INFO") == 0)
1731                 return MSG_INFO;
1732         if (os_strcasecmp(s, "WARNING") == 0)
1733                 return MSG_WARNING;
1734         if (os_strcasecmp(s, "ERROR") == 0)
1735                 return MSG_ERROR;
1736         return -1;
1737 }
1738
1739
1740 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1741                                                char *cmd, char *buf,
1742                                                size_t buflen)
1743 {
1744         char *pos, *end, *stamp;
1745         int ret;
1746
1747         if (cmd == NULL) {
1748                 return -1;
1749         }
1750
1751         /* cmd: "LOG_LEVEL [<level>]" */
1752         if (*cmd == '\0') {
1753                 pos = buf;
1754                 end = buf + buflen;
1755                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1756                                   "Timestamp: %d\n",
1757                                   debug_level_str(wpa_debug_level),
1758                                   wpa_debug_timestamp);
1759                 if (ret < 0 || ret >= end - pos)
1760                         ret = 0;
1761
1762                 return ret;
1763         }
1764
1765         while (*cmd == ' ')
1766                 cmd++;
1767
1768         stamp = os_strchr(cmd, ' ');
1769         if (stamp) {
1770                 *stamp++ = '\0';
1771                 while (*stamp == ' ') {
1772                         stamp++;
1773                 }
1774         }
1775
1776         if (cmd && os_strlen(cmd)) {
1777                 int level = str_to_debug_level(cmd);
1778                 if (level < 0)
1779                         return -1;
1780                 wpa_debug_level = level;
1781         }
1782
1783         if (stamp && os_strlen(stamp))
1784                 wpa_debug_timestamp = atoi(stamp);
1785
1786         os_memcpy(buf, "OK\n", 3);
1787         return 3;
1788 }
1789
1790
1791 static int wpa_supplicant_ctrl_iface_list_networks(
1792         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1793 {
1794         char *pos, *end;
1795         struct wpa_ssid *ssid;
1796         int ret;
1797
1798         pos = buf;
1799         end = buf + buflen;
1800         ret = os_snprintf(pos, end - pos,
1801                           "network id / ssid / bssid / flags\n");
1802         if (ret < 0 || ret >= end - pos)
1803                 return pos - buf;
1804         pos += ret;
1805
1806         ssid = wpa_s->conf->ssid;
1807         while (ssid) {
1808                 ret = os_snprintf(pos, end - pos, "%d\t%s",
1809                                   ssid->id,
1810                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1811                 if (ret < 0 || ret >= end - pos)
1812                         return pos - buf;
1813                 pos += ret;
1814                 if (ssid->bssid_set) {
1815                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1816                                           MAC2STR(ssid->bssid));
1817                 } else {
1818                         ret = os_snprintf(pos, end - pos, "\tany");
1819                 }
1820                 if (ret < 0 || ret >= end - pos)
1821                         return pos - buf;
1822                 pos += ret;
1823                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
1824                                   ssid == wpa_s->current_ssid ?
1825                                   "[CURRENT]" : "",
1826                                   ssid->disabled ? "[DISABLED]" : "",
1827                                   ssid->disabled_until.sec ?
1828                                   "[TEMP-DISABLED]" : "",
1829                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1830                                   "");
1831                 if (ret < 0 || ret >= end - pos)
1832                         return pos - buf;
1833                 pos += ret;
1834                 ret = os_snprintf(pos, end - pos, "\n");
1835                 if (ret < 0 || ret >= end - pos)
1836                         return pos - buf;
1837                 pos += ret;
1838
1839                 ssid = ssid->next;
1840         }
1841
1842         return pos - buf;
1843 }
1844
1845
1846 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1847 {
1848         int ret;
1849         ret = os_snprintf(pos, end - pos, "-");
1850         if (ret < 0 || ret >= end - pos)
1851                 return pos;
1852         pos += ret;
1853         ret = wpa_write_ciphers(pos, end, cipher, "+");
1854         if (ret < 0)
1855                 return pos;
1856         pos += ret;
1857         return pos;
1858 }
1859
1860
1861 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1862                                     const u8 *ie, size_t ie_len)
1863 {
1864         struct wpa_ie_data data;
1865         int first, ret;
1866
1867         ret = os_snprintf(pos, end - pos, "[%s-", proto);
1868         if (ret < 0 || ret >= end - pos)
1869                 return pos;
1870         pos += ret;
1871
1872         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1873                 ret = os_snprintf(pos, end - pos, "?]");
1874                 if (ret < 0 || ret >= end - pos)
1875                         return pos;
1876                 pos += ret;
1877                 return pos;
1878         }
1879
1880         first = 1;
1881         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1882                 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1883                 if (ret < 0 || ret >= end - pos)
1884                         return pos;
1885                 pos += ret;
1886                 first = 0;
1887         }
1888         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1889                 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1890                 if (ret < 0 || ret >= end - pos)
1891                         return pos;
1892                 pos += ret;
1893                 first = 0;
1894         }
1895         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1896                 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1897                 if (ret < 0 || ret >= end - pos)
1898                         return pos;
1899                 pos += ret;
1900                 first = 0;
1901         }
1902 #ifdef CONFIG_IEEE80211R
1903         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1904                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1905                                   first ? "" : "+");
1906                 if (ret < 0 || ret >= end - pos)
1907                         return pos;
1908                 pos += ret;
1909                 first = 0;
1910         }
1911         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1912                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1913                                   first ? "" : "+");
1914                 if (ret < 0 || ret >= end - pos)
1915                         return pos;
1916                 pos += ret;
1917                 first = 0;
1918         }
1919 #endif /* CONFIG_IEEE80211R */
1920 #ifdef CONFIG_IEEE80211W
1921         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1922                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1923                                   first ? "" : "+");
1924                 if (ret < 0 || ret >= end - pos)
1925                         return pos;
1926                 pos += ret;
1927                 first = 0;
1928         }
1929         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1930                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1931                                   first ? "" : "+");
1932                 if (ret < 0 || ret >= end - pos)
1933                         return pos;
1934                 pos += ret;
1935                 first = 0;
1936         }
1937 #endif /* CONFIG_IEEE80211W */
1938
1939         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1940
1941         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1942                 ret = os_snprintf(pos, end - pos, "-preauth");
1943                 if (ret < 0 || ret >= end - pos)
1944                         return pos;
1945                 pos += ret;
1946         }
1947
1948         ret = os_snprintf(pos, end - pos, "]");
1949         if (ret < 0 || ret >= end - pos)
1950                 return pos;
1951         pos += ret;
1952
1953         return pos;
1954 }
1955
1956
1957 #ifdef CONFIG_WPS
1958 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
1959                                             char *pos, char *end,
1960                                             struct wpabuf *wps_ie)
1961 {
1962         int ret;
1963         const char *txt;
1964
1965         if (wps_ie == NULL)
1966                 return pos;
1967         if (wps_is_selected_pbc_registrar(wps_ie))
1968                 txt = "[WPS-PBC]";
1969 #ifdef CONFIG_WPS2
1970         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
1971                 txt = "[WPS-AUTH]";
1972 #endif /* CONFIG_WPS2 */
1973         else if (wps_is_selected_pin_registrar(wps_ie))
1974                 txt = "[WPS-PIN]";
1975         else
1976                 txt = "[WPS]";
1977
1978         ret = os_snprintf(pos, end - pos, "%s", txt);
1979         if (ret >= 0 && ret < end - pos)
1980                 pos += ret;
1981         wpabuf_free(wps_ie);
1982         return pos;
1983 }
1984 #endif /* CONFIG_WPS */
1985
1986
1987 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
1988                                         char *pos, char *end,
1989                                         const struct wpa_bss *bss)
1990 {
1991 #ifdef CONFIG_WPS
1992         struct wpabuf *wps_ie;
1993         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1994         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
1995 #else /* CONFIG_WPS */
1996         return pos;
1997 #endif /* CONFIG_WPS */
1998 }
1999
2000
2001 /* Format one result on one text line into a buffer. */
2002 static int wpa_supplicant_ctrl_iface_scan_result(
2003         struct wpa_supplicant *wpa_s,
2004         const struct wpa_bss *bss, char *buf, size_t buflen)
2005 {
2006         char *pos, *end;
2007         int ret;
2008         const u8 *ie, *ie2, *p2p;
2009
2010         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2011         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2012             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2013             0)
2014                 return 0; /* Do not show P2P listen discovery results here */
2015
2016         pos = buf;
2017         end = buf + buflen;
2018
2019         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2020                           MAC2STR(bss->bssid), bss->freq, bss->level);
2021         if (ret < 0 || ret >= end - pos)
2022                 return -1;
2023         pos += ret;
2024         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2025         if (ie)
2026                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2027         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2028         if (ie2)
2029                 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
2030         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2031         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2032                 ret = os_snprintf(pos, end - pos, "[WEP]");
2033                 if (ret < 0 || ret >= end - pos)
2034                         return -1;
2035                 pos += ret;
2036         }
2037         if (bss->caps & IEEE80211_CAP_IBSS) {
2038                 ret = os_snprintf(pos, end - pos, "[IBSS]");
2039                 if (ret < 0 || ret >= end - pos)
2040                         return -1;
2041                 pos += ret;
2042         }
2043         if (bss->caps & IEEE80211_CAP_ESS) {
2044                 ret = os_snprintf(pos, end - pos, "[ESS]");
2045                 if (ret < 0 || ret >= end - pos)
2046                         return -1;
2047                 pos += ret;
2048         }
2049         if (p2p) {
2050                 ret = os_snprintf(pos, end - pos, "[P2P]");
2051                 if (ret < 0 || ret >= end - pos)
2052                         return -1;
2053                 pos += ret;
2054         }
2055 #ifdef CONFIG_HS20
2056         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2057                 ret = os_snprintf(pos, end - pos, "[HS20]");
2058                 if (ret < 0 || ret >= end - pos)
2059                         return -1;
2060                 pos += ret;
2061         }
2062 #endif /* CONFIG_HS20 */
2063
2064         ret = os_snprintf(pos, end - pos, "\t%s",
2065                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2066         if (ret < 0 || ret >= end - pos)
2067                 return -1;
2068         pos += ret;
2069
2070         ret = os_snprintf(pos, end - pos, "\n");
2071         if (ret < 0 || ret >= end - pos)
2072                 return -1;
2073         pos += ret;
2074
2075         return pos - buf;
2076 }
2077
2078
2079 static int wpa_supplicant_ctrl_iface_scan_results(
2080         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2081 {
2082         char *pos, *end;
2083         struct wpa_bss *bss;
2084         int ret;
2085
2086         pos = buf;
2087         end = buf + buflen;
2088         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2089                           "flags / ssid\n");
2090         if (ret < 0 || ret >= end - pos)
2091                 return pos - buf;
2092         pos += ret;
2093
2094         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2095                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2096                                                             end - pos);
2097                 if (ret < 0 || ret >= end - pos)
2098                         return pos - buf;
2099                 pos += ret;
2100         }
2101
2102         return pos - buf;
2103 }
2104
2105
2106 static int wpa_supplicant_ctrl_iface_select_network(
2107         struct wpa_supplicant *wpa_s, char *cmd)
2108 {
2109         int id;
2110         struct wpa_ssid *ssid;
2111
2112         /* cmd: "<network id>" or "any" */
2113         if (os_strcmp(cmd, "any") == 0) {
2114                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2115                 ssid = NULL;
2116         } else {
2117                 id = atoi(cmd);
2118                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2119
2120                 ssid = wpa_config_get_network(wpa_s->conf, id);
2121                 if (ssid == NULL) {
2122                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2123                                    "network id=%d", id);
2124                         return -1;
2125                 }
2126                 if (ssid->disabled == 2) {
2127                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2128                                    "SELECT_NETWORK with persistent P2P group");
2129                         return -1;
2130                 }
2131         }
2132
2133         wpa_supplicant_select_network(wpa_s, ssid);
2134
2135         return 0;
2136 }
2137
2138
2139 static int wpa_supplicant_ctrl_iface_enable_network(
2140         struct wpa_supplicant *wpa_s, char *cmd)
2141 {
2142         int id;
2143         struct wpa_ssid *ssid;
2144
2145         /* cmd: "<network id>" or "all" */
2146         if (os_strcmp(cmd, "all") == 0) {
2147                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2148                 ssid = NULL;
2149         } else {
2150                 id = atoi(cmd);
2151                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2152
2153                 ssid = wpa_config_get_network(wpa_s->conf, id);
2154                 if (ssid == NULL) {
2155                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2156                                    "network id=%d", id);
2157                         return -1;
2158                 }
2159                 if (ssid->disabled == 2) {
2160                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2161                                    "ENABLE_NETWORK with persistent P2P group");
2162                         return -1;
2163                 }
2164
2165                 if (os_strstr(cmd, " no-connect")) {
2166                         ssid->disabled = 0;
2167                         return 0;
2168                 }
2169         }
2170         wpa_supplicant_enable_network(wpa_s, ssid);
2171
2172         return 0;
2173 }
2174
2175
2176 static int wpa_supplicant_ctrl_iface_disable_network(
2177         struct wpa_supplicant *wpa_s, char *cmd)
2178 {
2179         int id;
2180         struct wpa_ssid *ssid;
2181
2182         /* cmd: "<network id>" or "all" */
2183         if (os_strcmp(cmd, "all") == 0) {
2184                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2185                 ssid = NULL;
2186         } else {
2187                 id = atoi(cmd);
2188                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2189
2190                 ssid = wpa_config_get_network(wpa_s->conf, id);
2191                 if (ssid == NULL) {
2192                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2193                                    "network id=%d", id);
2194                         return -1;
2195                 }
2196                 if (ssid->disabled == 2) {
2197                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2198                                    "DISABLE_NETWORK with persistent P2P "
2199                                    "group");
2200                         return -1;
2201                 }
2202         }
2203         wpa_supplicant_disable_network(wpa_s, ssid);
2204
2205         return 0;
2206 }
2207
2208
2209 static int wpa_supplicant_ctrl_iface_add_network(
2210         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2211 {
2212         struct wpa_ssid *ssid;
2213         int ret;
2214
2215         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2216
2217         ssid = wpa_config_add_network(wpa_s->conf);
2218         if (ssid == NULL)
2219                 return -1;
2220
2221         wpas_notify_network_added(wpa_s, ssid);
2222
2223         ssid->disabled = 1;
2224         wpa_config_set_network_defaults(ssid);
2225
2226         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2227         if (ret < 0 || (size_t) ret >= buflen)
2228                 return -1;
2229         return ret;
2230 }
2231
2232
2233 static int wpa_supplicant_ctrl_iface_remove_network(
2234         struct wpa_supplicant *wpa_s, char *cmd)
2235 {
2236         int id;
2237         struct wpa_ssid *ssid;
2238         int was_disabled;
2239
2240         /* cmd: "<network id>" or "all" */
2241         if (os_strcmp(cmd, "all") == 0) {
2242                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2243                 if (wpa_s->sched_scanning)
2244                         wpa_supplicant_cancel_sched_scan(wpa_s);
2245
2246                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2247                 if (wpa_s->current_ssid) {
2248 #ifdef CONFIG_SME
2249                         wpa_s->sme.prev_bssid_set = 0;
2250 #endif /* CONFIG_SME */
2251                         wpa_sm_set_config(wpa_s->wpa, NULL);
2252                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2253                         wpa_supplicant_deauthenticate(
2254                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2255                 }
2256                 ssid = wpa_s->conf->ssid;
2257                 while (ssid) {
2258                         struct wpa_ssid *remove_ssid = ssid;
2259                         id = ssid->id;
2260                         ssid = ssid->next;
2261                         wpas_notify_network_removed(wpa_s, remove_ssid);
2262                         wpa_config_remove_network(wpa_s->conf, id);
2263                 }
2264                 return 0;
2265         }
2266
2267         id = atoi(cmd);
2268         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2269
2270         ssid = wpa_config_get_network(wpa_s->conf, id);
2271         if (ssid)
2272                 wpas_notify_network_removed(wpa_s, ssid);
2273         if (ssid == NULL) {
2274                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2275                            "id=%d", id);
2276                 return -1;
2277         }
2278
2279         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2280 #ifdef CONFIG_SME
2281                 wpa_s->sme.prev_bssid_set = 0;
2282 #endif /* CONFIG_SME */
2283                 /*
2284                  * Invalidate the EAP session cache if the current or
2285                  * previously used network is removed.
2286                  */
2287                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2288         }
2289
2290         if (ssid == wpa_s->current_ssid) {
2291                 wpa_sm_set_config(wpa_s->wpa, NULL);
2292                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2293
2294                 wpa_supplicant_deauthenticate(wpa_s,
2295                                               WLAN_REASON_DEAUTH_LEAVING);
2296         }
2297
2298         was_disabled = ssid->disabled;
2299
2300         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2301                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2302                            "network id=%d", id);
2303                 return -1;
2304         }
2305
2306         if (!was_disabled && wpa_s->sched_scanning) {
2307                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2308                            "network from filters");
2309                 wpa_supplicant_cancel_sched_scan(wpa_s);
2310                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2311         }
2312
2313         return 0;
2314 }
2315
2316
2317 static int wpa_supplicant_ctrl_iface_set_network(
2318         struct wpa_supplicant *wpa_s, char *cmd)
2319 {
2320         int id;
2321         struct wpa_ssid *ssid;
2322         char *name, *value;
2323
2324         /* cmd: "<network id> <variable name> <value>" */
2325         name = os_strchr(cmd, ' ');
2326         if (name == NULL)
2327                 return -1;
2328         *name++ = '\0';
2329
2330         value = os_strchr(name, ' ');
2331         if (value == NULL)
2332                 return -1;
2333         *value++ = '\0';
2334
2335         id = atoi(cmd);
2336         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2337                    id, name);
2338         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2339                               (u8 *) value, os_strlen(value));
2340
2341         ssid = wpa_config_get_network(wpa_s->conf, id);
2342         if (ssid == NULL) {
2343                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2344                            "id=%d", id);
2345                 return -1;
2346         }
2347
2348         if (wpa_config_set(ssid, name, value, 0) < 0) {
2349                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2350                            "variable '%s'", name);
2351                 return -1;
2352         }
2353
2354         if (os_strcmp(name, "bssid") != 0 &&
2355             os_strcmp(name, "priority") != 0)
2356                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2357
2358         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2359                 /*
2360                  * Invalidate the EAP session cache if anything in the current
2361                  * or previously used configuration changes.
2362                  */
2363                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2364         }
2365
2366         if ((os_strcmp(name, "psk") == 0 &&
2367              value[0] == '"' && ssid->ssid_len) ||
2368             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2369                 wpa_config_update_psk(ssid);
2370         else if (os_strcmp(name, "priority") == 0)
2371                 wpa_config_update_prio_list(wpa_s->conf);
2372
2373         return 0;
2374 }
2375
2376
2377 static int wpa_supplicant_ctrl_iface_get_network(
2378         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2379 {
2380         int id;
2381         size_t res;
2382         struct wpa_ssid *ssid;
2383         char *name, *value;
2384
2385         /* cmd: "<network id> <variable name>" */
2386         name = os_strchr(cmd, ' ');
2387         if (name == NULL || buflen == 0)
2388                 return -1;
2389         *name++ = '\0';
2390
2391         id = atoi(cmd);
2392         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2393                    id, name);
2394
2395         ssid = wpa_config_get_network(wpa_s->conf, id);
2396         if (ssid == NULL) {
2397                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2398                            "id=%d", id);
2399                 return -1;
2400         }
2401
2402         value = wpa_config_get_no_key(ssid, name);
2403         if (value == NULL) {
2404                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2405                            "variable '%s'", name);
2406                 return -1;
2407         }
2408
2409         res = os_strlcpy(buf, value, buflen);
2410         if (res >= buflen) {
2411                 os_free(value);
2412                 return -1;
2413         }
2414
2415         os_free(value);
2416
2417         return res;
2418 }
2419
2420
2421 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2422                                                 char *buf, size_t buflen)
2423 {
2424         char *pos, *end;
2425         struct wpa_cred *cred;
2426         int ret;
2427
2428         pos = buf;
2429         end = buf + buflen;
2430         ret = os_snprintf(pos, end - pos,
2431                           "cred id / realm / username / domain / imsi\n");
2432         if (ret < 0 || ret >= end - pos)
2433                 return pos - buf;
2434         pos += ret;
2435
2436         cred = wpa_s->conf->cred;
2437         while (cred) {
2438                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2439                                   cred->id, cred->realm ? cred->realm : "",
2440                                   cred->username ? cred->username : "",
2441                                   cred->domain ? cred->domain : "",
2442                                   cred->imsi ? cred->imsi : "");
2443                 if (ret < 0 || ret >= end - pos)
2444                         return pos - buf;
2445                 pos += ret;
2446
2447                 cred = cred->next;
2448         }
2449
2450         return pos - buf;
2451 }
2452
2453
2454 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2455                                               char *buf, size_t buflen)
2456 {
2457         struct wpa_cred *cred;
2458         int ret;
2459
2460         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2461
2462         cred = wpa_config_add_cred(wpa_s->conf);
2463         if (cred == NULL)
2464                 return -1;
2465
2466         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2467         if (ret < 0 || (size_t) ret >= buflen)
2468                 return -1;
2469         return ret;
2470 }
2471
2472
2473 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2474                                  struct wpa_cred *cred)
2475 {
2476         struct wpa_ssid *ssid;
2477         char str[20];
2478
2479         if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2480                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2481                 return -1;
2482         }
2483
2484         /* Remove any network entry created based on the removed credential */
2485         ssid = wpa_s->conf->ssid;
2486         while (ssid) {
2487                 if (ssid->parent_cred == cred) {
2488                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2489                                    "used the removed credential", ssid->id);
2490                         os_snprintf(str, sizeof(str), "%d", ssid->id);
2491                         ssid = ssid->next;
2492                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2493                 } else
2494                         ssid = ssid->next;
2495         }
2496
2497         return 0;
2498 }
2499
2500
2501 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2502                                                  char *cmd)
2503 {
2504         int id;
2505         struct wpa_cred *cred, *prev;
2506
2507         /* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2508         if (os_strcmp(cmd, "all") == 0) {
2509                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2510                 cred = wpa_s->conf->cred;
2511                 while (cred) {
2512                         prev = cred;
2513                         cred = cred->next;
2514                         wpas_ctrl_remove_cred(wpa_s, prev);
2515                 }
2516                 return 0;
2517         }
2518
2519         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2520                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2521                            cmd + 8);
2522                 cred = wpa_s->conf->cred;
2523                 while (cred) {
2524                         prev = cred;
2525                         cred = cred->next;
2526                         if (prev->domain &&
2527                             os_strcmp(prev->domain, cmd + 8) == 0)
2528                                 wpas_ctrl_remove_cred(wpa_s, prev);
2529                 }
2530                 return 0;
2531         }
2532
2533         id = atoi(cmd);
2534         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2535
2536         cred = wpa_config_get_cred(wpa_s->conf, id);
2537         return wpas_ctrl_remove_cred(wpa_s, cred);
2538 }
2539
2540
2541 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2542                                               char *cmd)
2543 {
2544         int id;
2545         struct wpa_cred *cred;
2546         char *name, *value;
2547
2548         /* cmd: "<cred id> <variable name> <value>" */
2549         name = os_strchr(cmd, ' ');
2550         if (name == NULL)
2551                 return -1;
2552         *name++ = '\0';
2553
2554         value = os_strchr(name, ' ');
2555         if (value == NULL)
2556                 return -1;
2557         *value++ = '\0';
2558
2559         id = atoi(cmd);
2560         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2561                    id, name);
2562         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2563                               (u8 *) value, os_strlen(value));
2564
2565         cred = wpa_config_get_cred(wpa_s->conf, id);
2566         if (cred == NULL) {
2567                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2568                            id);
2569                 return -1;
2570         }
2571
2572         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2573                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2574                            "variable '%s'", name);
2575                 return -1;
2576         }
2577
2578         return 0;
2579 }
2580
2581
2582 #ifndef CONFIG_NO_CONFIG_WRITE
2583 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2584 {
2585         int ret;
2586
2587         if (!wpa_s->conf->update_config) {
2588                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2589                            "to update configuration (update_config=0)");
2590                 return -1;
2591         }
2592
2593         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2594         if (ret) {
2595                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2596                            "update configuration");
2597         } else {
2598                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2599                            " updated");
2600         }
2601
2602         return ret;
2603 }
2604 #endif /* CONFIG_NO_CONFIG_WRITE */
2605
2606
2607 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2608                                               struct wpa_driver_capa *capa,
2609                                               char *buf, size_t buflen)
2610 {
2611         int ret, first = 1;
2612         char *pos, *end;
2613         size_t len;
2614
2615         pos = buf;
2616         end = pos + buflen;
2617
2618         if (res < 0) {
2619                 if (strict)
2620                         return 0;
2621                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2622                 if (len >= buflen)
2623                         return -1;
2624                 return len;
2625         }
2626
2627         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2628                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2629                 if (ret < 0 || ret >= end - pos)
2630                         return pos - buf;
2631                 pos += ret;
2632                 first = 0;
2633         }
2634
2635         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2636                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2637                 if (ret < 0 || ret >= end - pos)
2638                         return pos - buf;
2639                 pos += ret;
2640                 first = 0;
2641         }
2642
2643         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2644                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2645                 if (ret < 0 || ret >= end - pos)
2646                         return pos - buf;
2647                 pos += ret;
2648                 first = 0;
2649         }
2650
2651         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2652                 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
2653                 if (ret < 0 || ret >= end - pos)
2654                         return pos - buf;
2655                 pos += ret;
2656                 first = 0;
2657         }
2658
2659         return pos - buf;
2660 }
2661
2662
2663 static int ctrl_iface_get_capability_group(int res, char *strict,
2664                                            struct wpa_driver_capa *capa,
2665                                            char *buf, size_t buflen)
2666 {
2667         int ret, first = 1;
2668         char *pos, *end;
2669         size_t len;
2670
2671         pos = buf;
2672         end = pos + buflen;
2673
2674         if (res < 0) {
2675                 if (strict)
2676                         return 0;
2677                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2678                 if (len >= buflen)
2679                         return -1;
2680                 return len;
2681         }
2682
2683         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2684                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2685                 if (ret < 0 || ret >= end - pos)
2686                         return pos - buf;
2687                 pos += ret;
2688                 first = 0;
2689         }
2690
2691         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2692                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2693                 if (ret < 0 || ret >= end - pos)
2694                         return pos - buf;
2695                 pos += ret;
2696                 first = 0;
2697         }
2698
2699         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2700                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2701                 if (ret < 0 || ret >= end - pos)
2702                         return pos - buf;
2703                 pos += ret;
2704                 first = 0;
2705         }
2706
2707         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2708                 ret = os_snprintf(pos, end - pos, "%sWEP104",
2709                                   first ? "" : " ");
2710                 if (ret < 0 || ret >= end - pos)
2711                         return pos - buf;
2712                 pos += ret;
2713                 first = 0;
2714         }
2715
2716         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2717                 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
2718                 if (ret < 0 || ret >= end - pos)
2719                         return pos - buf;
2720                 pos += ret;
2721                 first = 0;
2722         }
2723
2724         return pos - buf;
2725 }
2726
2727
2728 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2729                                               struct wpa_driver_capa *capa,
2730                                               char *buf, size_t buflen)
2731 {
2732         int ret;
2733         char *pos, *end;
2734         size_t len;
2735
2736         pos = buf;
2737         end = pos + buflen;
2738
2739         if (res < 0) {
2740                 if (strict)
2741                         return 0;
2742                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2743                                  "NONE", buflen);
2744                 if (len >= buflen)
2745                         return -1;
2746                 return len;
2747         }
2748
2749         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2750         if (ret < 0 || ret >= end - pos)
2751                 return pos - buf;
2752         pos += ret;
2753
2754         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2755                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2756                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2757                 if (ret < 0 || ret >= end - pos)
2758                         return pos - buf;
2759                 pos += ret;
2760         }
2761
2762         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2763                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2764                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2765                 if (ret < 0 || ret >= end - pos)
2766                         return pos - buf;
2767                 pos += ret;
2768         }
2769
2770         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2771                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2772                 if (ret < 0 || ret >= end - pos)
2773                         return pos - buf;
2774                 pos += ret;
2775         }
2776
2777         return pos - buf;
2778 }
2779
2780
2781 static int ctrl_iface_get_capability_proto(int res, char *strict,
2782                                            struct wpa_driver_capa *capa,
2783                                            char *buf, size_t buflen)
2784 {
2785         int ret, first = 1;
2786         char *pos, *end;
2787         size_t len;
2788
2789         pos = buf;
2790         end = pos + buflen;
2791
2792         if (res < 0) {
2793                 if (strict)
2794                         return 0;
2795                 len = os_strlcpy(buf, "RSN WPA", buflen);
2796                 if (len >= buflen)
2797                         return -1;
2798                 return len;
2799         }
2800
2801         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2802                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2803                 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2804                 if (ret < 0 || ret >= end - pos)
2805                         return pos - buf;
2806                 pos += ret;
2807                 first = 0;
2808         }
2809
2810         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2811                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2812                 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2813                 if (ret < 0 || ret >= end - pos)
2814                         return pos - buf;
2815                 pos += ret;
2816                 first = 0;
2817         }
2818
2819         return pos - buf;
2820 }
2821
2822
2823 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2824                                               struct wpa_driver_capa *capa,
2825                                               char *buf, size_t buflen)
2826 {
2827         int ret, first = 1;
2828         char *pos, *end;
2829         size_t len;
2830
2831         pos = buf;
2832         end = pos + buflen;
2833
2834         if (res < 0) {
2835                 if (strict)
2836                         return 0;
2837                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2838                 if (len >= buflen)
2839                         return -1;
2840                 return len;
2841         }
2842
2843         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2844                 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2845                 if (ret < 0 || ret >= end - pos)
2846                         return pos - buf;
2847                 pos += ret;
2848                 first = 0;
2849         }
2850
2851         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2852                 ret = os_snprintf(pos, end - pos, "%sSHARED",
2853                                   first ? "" : " ");
2854                 if (ret < 0 || ret >= end - pos)
2855                         return pos - buf;
2856                 pos += ret;
2857                 first = 0;
2858         }
2859
2860         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2861                 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2862                 if (ret < 0 || ret >= end - pos)
2863                         return pos - buf;
2864                 pos += ret;
2865                 first = 0;
2866         }
2867
2868         return pos - buf;
2869 }
2870
2871
2872 static int ctrl_iface_get_capability_modes(int res, char *strict,
2873                                            struct wpa_driver_capa *capa,
2874                                            char *buf, size_t buflen)
2875 {
2876         int ret, first = 1;
2877         char *pos, *end;
2878         size_t len;
2879
2880         pos = buf;
2881         end = pos + buflen;
2882
2883         if (res < 0) {
2884                 if (strict)
2885                         return 0;
2886                 len = os_strlcpy(buf, "IBSS AP", buflen);
2887                 if (len >= buflen)
2888                         return -1;
2889                 return len;
2890         }
2891
2892         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
2893                 ret = os_snprintf(pos, end - pos, "%sIBSS", first ? "" : " ");
2894                 if (ret < 0 || ret >= end - pos)
2895                         return pos - buf;
2896                 pos += ret;
2897                 first = 0;
2898         }
2899
2900         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
2901                 ret = os_snprintf(pos, end - pos, "%sAP", first ? "" : " ");
2902                 if (ret < 0 || ret >= end - pos)
2903                         return pos - buf;
2904                 pos += ret;
2905                 first = 0;
2906         }
2907
2908         return pos - buf;
2909 }
2910
2911
2912 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
2913                                               char *buf, size_t buflen)
2914 {
2915         struct hostapd_channel_data *chnl;
2916         int ret, i, j;
2917         char *pos, *end, *hmode;
2918
2919         pos = buf;
2920         end = pos + buflen;
2921
2922         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2923                 switch (wpa_s->hw.modes[j].mode) {
2924                 case HOSTAPD_MODE_IEEE80211B:
2925                         hmode = "B";
2926                         break;
2927                 case HOSTAPD_MODE_IEEE80211G:
2928                         hmode = "G";
2929                         break;
2930                 case HOSTAPD_MODE_IEEE80211A:
2931                         hmode = "A";
2932                         break;
2933                 case HOSTAPD_MODE_IEEE80211AD:
2934                         hmode = "AD";
2935                         break;
2936                 default:
2937                         continue;
2938                 }
2939                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
2940                 if (ret < 0 || ret >= end - pos)
2941                         return pos - buf;
2942                 pos += ret;
2943                 chnl = wpa_s->hw.modes[j].channels;
2944                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2945                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2946                                 continue;
2947                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
2948                         if (ret < 0 || ret >= end - pos)
2949                                 return pos - buf;
2950                         pos += ret;
2951                 }
2952                 ret = os_snprintf(pos, end - pos, "\n");
2953                 if (ret < 0 || ret >= end - pos)
2954                         return pos - buf;
2955                 pos += ret;
2956         }
2957
2958         return pos - buf;
2959 }
2960
2961
2962 static int wpa_supplicant_ctrl_iface_get_capability(
2963         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
2964         size_t buflen)
2965 {
2966         struct wpa_driver_capa capa;
2967         int res;
2968         char *strict;
2969         char field[30];
2970         size_t len;
2971
2972         /* Determine whether or not strict checking was requested */
2973         len = os_strlcpy(field, _field, sizeof(field));
2974         if (len >= sizeof(field))
2975                 return -1;
2976         strict = os_strchr(field, ' ');
2977         if (strict != NULL) {
2978                 *strict++ = '\0';
2979                 if (os_strcmp(strict, "strict") != 0)
2980                         return -1;
2981         }
2982
2983         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
2984                 field, strict ? strict : "");
2985
2986         if (os_strcmp(field, "eap") == 0) {
2987                 return eap_get_names(buf, buflen);
2988         }
2989
2990         res = wpa_drv_get_capa(wpa_s, &capa);
2991
2992         if (os_strcmp(field, "pairwise") == 0)
2993                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
2994                                                           buf, buflen);
2995
2996         if (os_strcmp(field, "group") == 0)
2997                 return ctrl_iface_get_capability_group(res, strict, &capa,
2998                                                        buf, buflen);
2999
3000         if (os_strcmp(field, "key_mgmt") == 0)
3001                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3002                                                           buf, buflen);
3003
3004         if (os_strcmp(field, "proto") == 0)
3005                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3006                                                        buf, buflen);
3007
3008         if (os_strcmp(field, "auth_alg") == 0)
3009                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
3010                                                           buf, buflen);
3011
3012         if (os_strcmp(field, "modes") == 0)
3013                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3014                                                        buf, buflen);
3015
3016         if (os_strcmp(field, "channels") == 0)
3017                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3018
3019         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3020                    field);
3021
3022         return -1;
3023 }
3024
3025
3026 #ifdef CONFIG_INTERWORKING
3027 static char * anqp_add_hex(char *pos, char *end, const char *title,
3028                            struct wpabuf *data)
3029 {
3030         char *start = pos;
3031         size_t i;
3032         int ret;
3033         const u8 *d;
3034
3035         if (data == NULL)
3036                 return start;
3037
3038         ret = os_snprintf(pos, end - pos, "%s=", title);
3039         if (ret < 0 || ret >= end - pos)
3040                 return start;
3041         pos += ret;
3042
3043         d = wpabuf_head_u8(data);
3044         for (i = 0; i < wpabuf_len(data); i++) {
3045                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3046                 if (ret < 0 || ret >= end - pos)
3047                         return start;
3048                 pos += ret;
3049         }
3050
3051         ret = os_snprintf(pos, end - pos, "\n");
3052         if (ret < 0 || ret >= end - pos)
3053                 return start;
3054         pos += ret;
3055
3056         return pos;
3057 }
3058 #endif /* CONFIG_INTERWORKING */
3059
3060
3061 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3062                           unsigned long mask, char *buf, size_t buflen)
3063 {
3064         size_t i;
3065         int ret;
3066         char *pos, *end;
3067         const u8 *ie, *ie2;
3068
3069         pos = buf;
3070         end = buf + buflen;
3071
3072         if (mask & WPA_BSS_MASK_ID) {
3073                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3074                 if (ret < 0 || ret >= end - pos)
3075                         return 0;
3076                 pos += ret;
3077         }
3078
3079         if (mask & WPA_BSS_MASK_BSSID) {
3080                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3081                                   MAC2STR(bss->bssid));
3082                 if (ret < 0 || ret >= end - pos)
3083                         return 0;
3084                 pos += ret;
3085         }
3086
3087         if (mask & WPA_BSS_MASK_FREQ) {
3088                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3089                 if (ret < 0 || ret >= end - pos)
3090                         return 0;
3091                 pos += ret;
3092         }
3093
3094         if (mask & WPA_BSS_MASK_BEACON_INT) {
3095                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3096                                   bss->beacon_int);
3097                 if (ret < 0 || ret >= end - pos)
3098                         return 0;
3099                 pos += ret;
3100         }
3101
3102         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3103                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3104                                   bss->caps);
3105                 if (ret < 0 || ret >= end - pos)
3106                         return 0;
3107                 pos += ret;
3108         }
3109
3110         if (mask & WPA_BSS_MASK_QUAL) {
3111                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3112                 if (ret < 0 || ret >= end - pos)
3113                         return 0;
3114                 pos += ret;
3115         }
3116
3117         if (mask & WPA_BSS_MASK_NOISE) {
3118                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3119                 if (ret < 0 || ret >= end - pos)
3120                         return 0;
3121                 pos += ret;
3122         }
3123
3124         if (mask & WPA_BSS_MASK_LEVEL) {
3125                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3126                 if (ret < 0 || ret >= end - pos)
3127                         return 0;
3128                 pos += ret;
3129         }
3130
3131         if (mask & WPA_BSS_MASK_TSF) {
3132                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3133                                   (unsigned long long) bss->tsf);
3134                 if (ret < 0 || ret >= end - pos)
3135                         return 0;
3136                 pos += ret;
3137         }
3138
3139         if (mask & WPA_BSS_MASK_AGE) {
3140                 struct os_time now;
3141
3142                 os_get_time(&now);
3143                 ret = os_snprintf(pos, end - pos, "age=%d\n",
3144                                   (int) (now.sec - bss->last_update.sec));
3145                 if (ret < 0 || ret >= end - pos)
3146                         return 0;
3147                 pos += ret;
3148         }
3149
3150         if (mask & WPA_BSS_MASK_IE) {
3151                 ret = os_snprintf(pos, end - pos, "ie=");
3152                 if (ret < 0 || ret >= end - pos)
3153                         return 0;
3154                 pos += ret;
3155
3156                 ie = (const u8 *) (bss + 1);
3157                 for (i = 0; i < bss->ie_len; i++) {
3158                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3159                         if (ret < 0 || ret >= end - pos)
3160                                 return 0;
3161                         pos += ret;
3162                 }
3163
3164                 ret = os_snprintf(pos, end - pos, "\n");
3165                 if (ret < 0 || ret >= end - pos)
3166                         return 0;
3167                 pos += ret;
3168         }
3169
3170         if (mask & WPA_BSS_MASK_FLAGS) {
3171                 ret = os_snprintf(pos, end - pos, "flags=");
3172                 if (ret < 0 || ret >= end - pos)
3173                         return 0;
3174                 pos += ret;
3175
3176                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3177                 if (ie)
3178                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3179                                                     2 + ie[1]);
3180                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3181                 if (ie2)
3182                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3183                                                     2 + ie2[1]);
3184                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3185                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3186                         ret = os_snprintf(pos, end - pos, "[WEP]");
3187                         if (ret < 0 || ret >= end - pos)
3188                                 return 0;
3189                         pos += ret;
3190                 }
3191                 if (bss->caps & IEEE80211_CAP_IBSS) {
3192                         ret = os_snprintf(pos, end - pos, "[IBSS]");
3193                         if (ret < 0 || ret >= end - pos)
3194                                 return 0;
3195                         pos += ret;
3196                 }
3197                 if (bss->caps & IEEE80211_CAP_ESS) {
3198                         ret = os_snprintf(pos, end - pos, "[ESS]");
3199                         if (ret < 0 || ret >= end - pos)
3200                                 return 0;
3201                         pos += ret;
3202                 }
3203                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE)) {
3204                         ret = os_snprintf(pos, end - pos, "[P2P]");
3205                         if (ret < 0 || ret >= end - pos)
3206                                 return 0;
3207                         pos += ret;
3208                 }
3209 #ifdef CONFIG_HS20
3210                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3211                         ret = os_snprintf(pos, end - pos, "[HS20]");
3212                         if (ret < 0 || ret >= end - pos)
3213                                 return 0;
3214                         pos += ret;
3215                 }
3216 #endif /* CONFIG_HS20 */
3217
3218                 ret = os_snprintf(pos, end - pos, "\n");
3219                 if (ret < 0 || ret >= end - pos)
3220                         return 0;
3221                 pos += ret;
3222         }
3223
3224         if (mask & WPA_BSS_MASK_SSID) {
3225                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3226                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3227                 if (ret < 0 || ret >= end - pos)
3228                         return 0;
3229                 pos += ret;
3230         }
3231
3232 #ifdef CONFIG_WPS
3233         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3234                 ie = (const u8 *) (bss + 1);
3235                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3236                 if (ret < 0 || ret >= end - pos)
3237                         return 0;
3238                 pos += ret;
3239         }
3240 #endif /* CONFIG_WPS */
3241
3242 #ifdef CONFIG_P2P
3243         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3244                 ie = (const u8 *) (bss + 1);
3245                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3246                 if (ret < 0 || ret >= end - pos)
3247                         return 0;
3248                 pos += ret;
3249         }
3250 #endif /* CONFIG_P2P */
3251
3252 #ifdef CONFIG_WIFI_DISPLAY
3253         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3254                 struct wpabuf *wfd;
3255                 ie = (const u8 *) (bss + 1);
3256                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3257                                                   WFD_IE_VENDOR_TYPE);
3258                 if (wfd) {
3259                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3260                         if (ret < 0 || ret >= end - pos)
3261                                 return 0;
3262                         pos += ret;
3263
3264                         pos += wpa_snprintf_hex(pos, end - pos,
3265                                                 wpabuf_head(wfd),
3266                                                 wpabuf_len(wfd));
3267                         wpabuf_free(wfd);
3268
3269                         ret = os_snprintf(pos, end - pos, "\n");
3270                         if (ret < 0 || ret >= end - pos)
3271                                 return 0;
3272                         pos += ret;
3273                 }
3274         }
3275 #endif /* CONFIG_WIFI_DISPLAY */
3276
3277 #ifdef CONFIG_INTERWORKING
3278         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3279                 struct wpa_bss_anqp *anqp = bss->anqp;
3280                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3281                                    anqp->venue_name);
3282                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3283                                    anqp->network_auth_type);
3284                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3285                                    anqp->roaming_consortium);
3286                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3287                                    anqp->ip_addr_type_availability);
3288                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3289                                    anqp->nai_realm);
3290                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3291                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3292                                    anqp->domain_name);
3293 #ifdef CONFIG_HS20
3294                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3295                                    anqp->hs20_operator_friendly_name);
3296                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3297                                    anqp->hs20_wan_metrics);
3298                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3299                                    anqp->hs20_connection_capability);
3300 #endif /* CONFIG_HS20 */
3301         }
3302 #endif /* CONFIG_INTERWORKING */
3303
3304         if (mask & WPA_BSS_MASK_DELIM) {
3305                 ret = os_snprintf(pos, end - pos, "====\n");
3306                 if (ret < 0 || ret >= end - pos)
3307                         return 0;
3308                 pos += ret;
3309         }
3310
3311         return pos - buf;
3312 }
3313
3314
3315 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3316                                          const char *cmd, char *buf,
3317                                          size_t buflen)
3318 {
3319         u8 bssid[ETH_ALEN];
3320         size_t i;
3321         struct wpa_bss *bss;
3322         struct wpa_bss *bsslast = NULL;
3323         struct dl_list *next;
3324         int ret = 0;
3325         int len;
3326         char *ctmp;
3327         unsigned long mask = WPA_BSS_MASK_ALL;
3328
3329         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3330                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3331                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3332                                             list_id);
3333                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3334                                                list_id);
3335                 } else { /* N1-N2 */
3336                         unsigned int id1, id2;
3337
3338                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3339                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3340                                            "format");
3341                                 return 0;
3342                         }
3343
3344                         if (*(cmd + 6) == '-')
3345                                 id1 = 0;
3346                         else
3347                                 id1 = atoi(cmd + 6);
3348                         ctmp++;
3349                         if (*ctmp >= '0' && *ctmp <= '9')
3350                                 id2 = atoi(ctmp);
3351                         else
3352                                 id2 = (unsigned int) -1;
3353                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3354                         if (id2 == (unsigned int) -1)
3355                                 bsslast = dl_list_last(&wpa_s->bss_id,
3356                                                        struct wpa_bss,
3357                                                        list_id);
3358                         else {
3359                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3360                                 if (bsslast == NULL && bss && id2 > id1) {
3361                                         struct wpa_bss *tmp = bss;
3362                                         for (;;) {
3363                                                 next = tmp->list_id.next;
3364                                                 if (next == &wpa_s->bss_id)
3365                                                         break;
3366                                                 tmp = dl_list_entry(
3367                                                         next, struct wpa_bss,
3368                                                         list_id);
3369                                                 if (tmp->id > id2)
3370                                                         break;
3371                                                 bsslast = tmp;
3372                                         }
3373                                 }
3374                         }
3375                 }
3376         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3377                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3378         else if (os_strncmp(cmd, "LAST", 4) == 0)
3379                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3380         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3381                 i = atoi(cmd + 3);
3382                 bss = wpa_bss_get_id(wpa_s, i);
3383         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3384                 i = atoi(cmd + 5);
3385                 bss = wpa_bss_get_id(wpa_s, i);
3386                 if (bss) {
3387                         next = bss->list_id.next;
3388                         if (next == &wpa_s->bss_id)
3389                                 bss = NULL;
3390                         else
3391                                 bss = dl_list_entry(next, struct wpa_bss,
3392                                                     list_id);
3393                 }
3394 #ifdef CONFIG_P2P
3395         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3396                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3397                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3398                 else
3399                         bss = NULL;
3400 #endif /* CONFIG_P2P */
3401         } else if (hwaddr_aton(cmd, bssid) == 0)
3402                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3403         else {
3404                 struct wpa_bss *tmp;
3405                 i = atoi(cmd);
3406                 bss = NULL;
3407                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3408                 {
3409                         if (i-- == 0) {
3410                                 bss = tmp;
3411                                 break;
3412                         }
3413                 }
3414         }
3415
3416         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3417                 mask = strtoul(ctmp + 5, NULL, 0x10);
3418                 if (mask == 0)
3419                         mask = WPA_BSS_MASK_ALL;
3420         }
3421
3422         if (bss == NULL)
3423                 return 0;
3424
3425         if (bsslast == NULL)
3426                 bsslast = bss;
3427         do {
3428                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3429                 ret += len;
3430                 buf += len;
3431                 buflen -= len;
3432                 if (bss == bsslast) {
3433                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
3434                             (bss == dl_list_last(&wpa_s->bss_id,
3435                                                  struct wpa_bss, list_id)))
3436                                 os_snprintf(buf - 5, 5, "####\n");
3437                         break;
3438                 }
3439                 next = bss->list_id.next;
3440                 if (next == &wpa_s->bss_id)
3441                         break;
3442                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3443         } while (bss && len);
3444
3445         return ret;
3446 }
3447
3448
3449 static int wpa_supplicant_ctrl_iface_ap_scan(
3450         struct wpa_supplicant *wpa_s, char *cmd)
3451 {
3452         int ap_scan = atoi(cmd);
3453         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3454 }
3455
3456
3457 static int wpa_supplicant_ctrl_iface_scan_interval(
3458         struct wpa_supplicant *wpa_s, char *cmd)
3459 {
3460         int scan_int = atoi(cmd);
3461         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3462 }
3463
3464
3465 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3466         struct wpa_supplicant *wpa_s, char *cmd)
3467 {
3468         int expire_age = atoi(cmd);
3469         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3470 }
3471
3472
3473 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3474         struct wpa_supplicant *wpa_s, char *cmd)
3475 {
3476         int expire_count = atoi(cmd);
3477         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3478 }
3479
3480
3481 static int wpa_supplicant_ctrl_iface_bss_flush(
3482         struct wpa_supplicant *wpa_s, char *cmd)
3483 {
3484         int flush_age = atoi(cmd);
3485
3486         if (flush_age == 0)
3487                 wpa_bss_flush(wpa_s);
3488         else
3489                 wpa_bss_flush_by_age(wpa_s, flush_age);
3490         return 0;
3491 }
3492
3493
3494 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3495 {
3496         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3497         /* MLME-DELETEKEYS.request */
3498         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3499         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3500         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3501         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3502 #ifdef CONFIG_IEEE80211W
3503         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3504         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3505 #endif /* CONFIG_IEEE80211W */
3506
3507         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3508                         0);
3509         /* MLME-SETPROTECTION.request(None) */
3510         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3511                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3512                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3513         wpa_sm_drop_sa(wpa_s->wpa);
3514 }
3515
3516
3517 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3518                                           char *addr)
3519 {
3520 #ifdef CONFIG_NO_SCAN_PROCESSING
3521         return -1;
3522 #else /* CONFIG_NO_SCAN_PROCESSING */
3523         u8 bssid[ETH_ALEN];
3524         struct wpa_bss *bss;
3525         struct wpa_ssid *ssid = wpa_s->current_ssid;
3526
3527         if (hwaddr_aton(addr, bssid)) {
3528                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3529                            "address '%s'", addr);
3530                 return -1;
3531         }
3532
3533         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3534
3535         if (!ssid) {
3536                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3537                            "configuration known for the target AP");
3538                 return -1;
3539         }
3540
3541         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
3542         if (!bss) {
3543                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3544                            "from BSS table");
3545                 return -1;
3546         }
3547
3548         /*
3549          * TODO: Find best network configuration block from configuration to
3550          * allow roaming to other networks
3551          */
3552
3553         wpa_s->reassociate = 1;
3554         wpa_supplicant_connect(wpa_s, bss, ssid);
3555
3556         return 0;
3557 #endif /* CONFIG_NO_SCAN_PROCESSING */
3558 }
3559
3560
3561 #ifdef CONFIG_P2P
3562 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3563 {
3564         unsigned int timeout = atoi(cmd);
3565         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3566         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3567         char *pos;
3568         unsigned int search_delay;
3569
3570         if (os_strstr(cmd, "type=social"))
3571                 type = P2P_FIND_ONLY_SOCIAL;
3572         else if (os_strstr(cmd, "type=progressive"))
3573                 type = P2P_FIND_PROGRESSIVE;
3574
3575         pos = os_strstr(cmd, "dev_id=");
3576         if (pos) {
3577                 pos += 7;
3578                 if (hwaddr_aton(pos, dev_id))
3579                         return -1;
3580                 _dev_id = dev_id;
3581         }
3582
3583         pos = os_strstr(cmd, "delay=");
3584         if (pos) {
3585                 pos += 6;
3586                 search_delay = atoi(pos);
3587         } else
3588                 search_delay = wpas_p2p_search_delay(wpa_s);
3589
3590         return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3591                              search_delay);
3592 }
3593
3594
3595 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3596                             char *buf, size_t buflen)
3597 {
3598         u8 addr[ETH_ALEN];
3599         char *pos, *pos2;
3600         char *pin = NULL;
3601         enum p2p_wps_method wps_method;
3602         int new_pin;
3603         int ret;
3604         int persistent_group, persistent_id = -1;
3605         int join;
3606         int auth;
3607         int automatic;
3608         int go_intent = -1;
3609         int freq = 0;
3610         int pd;
3611         int ht40;
3612
3613         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3614          * [persistent|persistent=<network id>]
3615          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3616          * [ht40] */
3617
3618         if (hwaddr_aton(cmd, addr))
3619                 return -1;
3620
3621         pos = cmd + 17;
3622         if (*pos != ' ')
3623                 return -1;
3624         pos++;
3625
3626         persistent_group = os_strstr(pos, " persistent") != NULL;
3627         pos2 = os_strstr(pos, " persistent=");
3628         if (pos2) {
3629                 struct wpa_ssid *ssid;
3630                 persistent_id = atoi(pos2 + 12);
3631                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3632                 if (ssid == NULL || ssid->disabled != 2 ||
3633                     ssid->mode != WPAS_MODE_P2P_GO) {
3634                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3635                                    "SSID id=%d for persistent P2P group (GO)",
3636                                    persistent_id);
3637                         return -1;
3638                 }
3639         }
3640         join = os_strstr(pos, " join") != NULL;
3641         auth = os_strstr(pos, " auth") != NULL;
3642         automatic = os_strstr(pos, " auto") != NULL;
3643         pd = os_strstr(pos, " provdisc") != NULL;
3644         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3645
3646         pos2 = os_strstr(pos, " go_intent=");
3647         if (pos2) {
3648                 pos2 += 11;
3649                 go_intent = atoi(pos2);
3650                 if (go_intent < 0 || go_intent > 15)
3651                         return -1;
3652         }
3653
3654         pos2 = os_strstr(pos, " freq=");
3655         if (pos2) {
3656                 pos2 += 6;
3657                 freq = atoi(pos2);
3658                 if (freq <= 0)
3659                         return -1;
3660         }
3661
3662         if (os_strncmp(pos, "pin", 3) == 0) {
3663                 /* Request random PIN (to be displayed) and enable the PIN */
3664                 wps_method = WPS_PIN_DISPLAY;
3665         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3666                 wps_method = WPS_PBC;
3667         } else {
3668                 pin = pos;
3669                 pos = os_strchr(pin, ' ');
3670                 wps_method = WPS_PIN_KEYPAD;
3671                 if (pos) {
3672                         *pos++ = '\0';
3673                         if (os_strncmp(pos, "display", 7) == 0)
3674                                 wps_method = WPS_PIN_DISPLAY;
3675                 }
3676                 if (!wps_pin_str_valid(pin)) {
3677                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3678                         return 17;
3679                 }
3680         }
3681
3682         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3683                                    persistent_group, automatic, join,
3684                                    auth, go_intent, freq, persistent_id, pd,
3685                                    ht40);
3686         if (new_pin == -2) {
3687                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3688                 return 25;
3689         }
3690         if (new_pin == -3) {
3691                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3692                 return 25;
3693         }
3694         if (new_pin < 0)
3695                 return -1;
3696         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3697                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3698                 if (ret < 0 || (size_t) ret >= buflen)
3699                         return -1;
3700                 return ret;
3701         }
3702
3703         os_memcpy(buf, "OK\n", 3);
3704         return 3;
3705 }
3706
3707
3708 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3709 {
3710         unsigned int timeout = atoi(cmd);
3711         return wpas_p2p_listen(wpa_s, timeout);
3712 }
3713
3714
3715 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3716 {
3717         u8 addr[ETH_ALEN];
3718         char *pos;
3719         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3720
3721         /* <addr> <config method> [join|auto] */
3722
3723         if (hwaddr_aton(cmd, addr))
3724                 return -1;
3725
3726         pos = cmd + 17;
3727         if (*pos != ' ')
3728                 return -1;
3729         pos++;
3730
3731         if (os_strstr(pos, " join") != NULL)
3732                 use = WPAS_P2P_PD_FOR_JOIN;
3733         else if (os_strstr(pos, " auto") != NULL)
3734                 use = WPAS_P2P_PD_AUTO;
3735
3736         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3737 }
3738
3739
3740 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3741                               size_t buflen)
3742 {
3743         struct wpa_ssid *ssid = wpa_s->current_ssid;
3744
3745         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3746             ssid->passphrase == NULL)
3747                 return -1;
3748
3749         os_strlcpy(buf, ssid->passphrase, buflen);
3750         return os_strlen(buf);
3751 }
3752
3753
3754 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3755                                   char *buf, size_t buflen)
3756 {
3757         u64 ref;
3758         int res;
3759         u8 dst_buf[ETH_ALEN], *dst;
3760         struct wpabuf *tlvs;
3761         char *pos;
3762         size_t len;
3763
3764         if (hwaddr_aton(cmd, dst_buf))
3765                 return -1;
3766         dst = dst_buf;
3767         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3768             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3769                 dst = NULL;
3770         pos = cmd + 17;
3771         if (*pos != ' ')
3772                 return -1;
3773         pos++;
3774
3775         if (os_strncmp(pos, "upnp ", 5) == 0) {
3776                 u8 version;
3777                 pos += 5;
3778                 if (hexstr2bin(pos, &version, 1) < 0)
3779                         return -1;
3780                 pos += 2;
3781                 if (*pos != ' ')
3782                         return -1;
3783                 pos++;
3784                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3785 #ifdef CONFIG_WIFI_DISPLAY
3786         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3787                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3788 #endif /* CONFIG_WIFI_DISPLAY */
3789         } else {
3790                 len = os_strlen(pos);
3791                 if (len & 1)
3792                         return -1;
3793                 len /= 2;
3794                 tlvs = wpabuf_alloc(len);
3795                 if (tlvs == NULL)
3796                         return -1;
3797                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3798                         wpabuf_free(tlvs);
3799                         return -1;
3800                 }
3801
3802                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3803                 wpabuf_free(tlvs);
3804         }
3805         if (ref == 0)
3806                 return -1;
3807         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3808         if (res < 0 || (unsigned) res >= buflen)
3809                 return -1;
3810         return res;
3811 }
3812
3813
3814 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3815                                          char *cmd)
3816 {
3817         long long unsigned val;
3818         u64 req;
3819         if (sscanf(cmd, "%llx", &val) != 1)
3820                 return -1;
3821         req = val;
3822         return wpas_p2p_sd_cancel_request(wpa_s, req);
3823 }
3824
3825
3826 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3827 {
3828         int freq;
3829         u8 dst[ETH_ALEN];
3830         u8 dialog_token;
3831         struct wpabuf *resp_tlvs;
3832         char *pos, *pos2;
3833         size_t len;
3834
3835         pos = os_strchr(cmd, ' ');
3836         if (pos == NULL)
3837                 return -1;
3838         *pos++ = '\0';
3839         freq = atoi(cmd);
3840         if (freq == 0)
3841                 return -1;
3842
3843         if (hwaddr_aton(pos, dst))
3844                 return -1;
3845         pos += 17;
3846         if (*pos != ' ')
3847                 return -1;
3848         pos++;
3849
3850         pos2 = os_strchr(pos, ' ');
3851         if (pos2 == NULL)
3852                 return -1;
3853         *pos2++ = '\0';
3854         dialog_token = atoi(pos);
3855
3856         len = os_strlen(pos2);
3857         if (len & 1)
3858                 return -1;
3859         len /= 2;
3860         resp_tlvs = wpabuf_alloc(len);
3861         if (resp_tlvs == NULL)
3862                 return -1;
3863         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3864                 wpabuf_free(resp_tlvs);
3865                 return -1;
3866         }
3867
3868         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3869         wpabuf_free(resp_tlvs);
3870         return 0;
3871 }
3872
3873
3874 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3875                                        char *cmd)
3876 {
3877         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3878                 return -1;
3879         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3880         return 0;
3881 }
3882
3883
3884 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3885                                         char *cmd)
3886 {
3887         char *pos;
3888         size_t len;
3889         struct wpabuf *query, *resp;
3890
3891         pos = os_strchr(cmd, ' ');
3892         if (pos == NULL)
3893                 return -1;
3894         *pos++ = '\0';
3895
3896         len = os_strlen(cmd);
3897         if (len & 1)
3898                 return -1;
3899         len /= 2;
3900         query = wpabuf_alloc(len);
3901         if (query == NULL)
3902                 return -1;
3903         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3904                 wpabuf_free(query);
3905                 return -1;
3906         }
3907
3908         len = os_strlen(pos);
3909         if (len & 1) {
3910                 wpabuf_free(query);
3911                 return -1;
3912         }
3913         len /= 2;
3914         resp = wpabuf_alloc(len);
3915         if (resp == NULL) {
3916                 wpabuf_free(query);
3917                 return -1;
3918         }
3919         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
3920                 wpabuf_free(query);
3921                 wpabuf_free(resp);
3922                 return -1;
3923         }
3924
3925         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
3926                 wpabuf_free(query);
3927                 wpabuf_free(resp);
3928                 return -1;
3929         }
3930         return 0;
3931 }
3932
3933
3934 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3935 {
3936         char *pos;
3937         u8 version;
3938
3939         pos = os_strchr(cmd, ' ');
3940         if (pos == NULL)
3941                 return -1;
3942         *pos++ = '\0';
3943
3944         if (hexstr2bin(cmd, &version, 1) < 0)
3945                 return -1;
3946
3947         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
3948 }
3949
3950
3951 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
3952 {
3953         char *pos;
3954
3955         pos = os_strchr(cmd, ' ');
3956         if (pos == NULL)
3957                 return -1;
3958         *pos++ = '\0';
3959
3960         if (os_strcmp(cmd, "bonjour") == 0)
3961                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
3962         if (os_strcmp(cmd, "upnp") == 0)
3963                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
3964         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3965         return -1;
3966 }
3967
3968
3969 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
3970                                         char *cmd)
3971 {
3972         size_t len;
3973         struct wpabuf *query;
3974         int ret;
3975
3976         len = os_strlen(cmd);
3977         if (len & 1)
3978                 return -1;
3979         len /= 2;
3980         query = wpabuf_alloc(len);
3981         if (query == NULL)
3982                 return -1;
3983         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3984                 wpabuf_free(query);
3985                 return -1;
3986         }
3987
3988         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
3989         wpabuf_free(query);
3990         return ret;
3991 }
3992
3993
3994 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3995 {
3996         char *pos;
3997         u8 version;
3998
3999         pos = os_strchr(cmd, ' ');
4000         if (pos == NULL)
4001                 return -1;
4002         *pos++ = '\0';
4003
4004         if (hexstr2bin(cmd, &version, 1) < 0)
4005                 return -1;
4006
4007         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4008 }
4009
4010
4011 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4012 {
4013         char *pos;
4014
4015         pos = os_strchr(cmd, ' ');
4016         if (pos == NULL)
4017                 return -1;
4018         *pos++ = '\0';
4019
4020         if (os_strcmp(cmd, "bonjour") == 0)
4021                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4022         if (os_strcmp(cmd, "upnp") == 0)
4023                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
4024         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4025         return -1;
4026 }
4027
4028
4029 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4030 {
4031         u8 addr[ETH_ALEN];
4032
4033         /* <addr> */
4034
4035         if (hwaddr_aton(cmd, addr))
4036                 return -1;
4037
4038         return wpas_p2p_reject(wpa_s, addr);
4039 }
4040
4041
4042 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
4043 {
4044         char *pos;
4045         int id;
4046         struct wpa_ssid *ssid;
4047         u8 *_peer = NULL, peer[ETH_ALEN];
4048         int freq = 0, pref_freq = 0;
4049         int ht40;
4050
4051         id = atoi(cmd);
4052         pos = os_strstr(cmd, " peer=");
4053         if (pos) {
4054                 pos += 6;
4055                 if (hwaddr_aton(pos, peer))
4056                         return -1;
4057                 _peer = peer;
4058         }
4059         ssid = wpa_config_get_network(wpa_s->conf, id);
4060         if (ssid == NULL || ssid->disabled != 2) {
4061                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4062                            "for persistent P2P group",
4063                            id);
4064                 return -1;
4065         }
4066
4067         pos = os_strstr(cmd, " freq=");
4068         if (pos) {
4069                 pos += 6;
4070                 freq = atoi(pos);
4071                 if (freq <= 0)
4072                         return -1;
4073         }
4074
4075         pos = os_strstr(cmd, " pref=");
4076         if (pos) {
4077                 pos += 6;
4078                 pref_freq = atoi(pos);
4079                 if (pref_freq <= 0)
4080                         return -1;
4081         }
4082
4083         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
4084
4085         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, pref_freq);
4086 }
4087
4088
4089 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4090 {
4091         char *pos;
4092         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4093
4094         pos = os_strstr(cmd, " peer=");
4095         if (!pos)
4096                 return -1;
4097
4098         *pos = '\0';
4099         pos += 6;
4100         if (hwaddr_aton(pos, peer)) {
4101                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4102                 return -1;
4103         }
4104
4105         pos = os_strstr(pos, " go_dev_addr=");
4106         if (pos) {
4107                 pos += 13;
4108                 if (hwaddr_aton(pos, go_dev_addr)) {
4109                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4110                                    pos);
4111                         return -1;
4112                 }
4113                 go_dev = go_dev_addr;
4114         }
4115
4116         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4117 }
4118
4119
4120 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4121 {
4122         if (os_strncmp(cmd, "persistent=", 11) == 0)
4123                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4124         if (os_strncmp(cmd, "group=", 6) == 0)
4125                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4126
4127         return -1;
4128 }
4129
4130
4131 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4132                                          char *cmd, int freq, int ht40)
4133 {
4134         int id;
4135         struct wpa_ssid *ssid;
4136
4137         id = atoi(cmd);
4138         ssid = wpa_config_get_network(wpa_s->conf, id);
4139         if (ssid == NULL || ssid->disabled != 2) {
4140                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4141                            "for persistent P2P group",
4142                            id);
4143                 return -1;
4144         }
4145
4146         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40, NULL);
4147 }
4148
4149
4150 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4151 {
4152         int freq = 0, ht40;
4153         char *pos;
4154
4155         pos = os_strstr(cmd, "freq=");
4156         if (pos)
4157                 freq = atoi(pos + 5);
4158
4159         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
4160
4161         if (os_strncmp(cmd, "persistent=", 11) == 0)
4162                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4163                                                      ht40);
4164         if (os_strcmp(cmd, "persistent") == 0 ||
4165             os_strncmp(cmd, "persistent ", 11) == 0)
4166                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40);
4167         if (os_strncmp(cmd, "freq=", 5) == 0)
4168                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4169         if (ht40)
4170                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4171
4172         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4173                    cmd);
4174         return -1;
4175 }
4176
4177
4178 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4179                          char *buf, size_t buflen)
4180 {
4181         u8 addr[ETH_ALEN], *addr_ptr;
4182         int next, res;
4183         const struct p2p_peer_info *info;
4184         char *pos, *end;
4185         char devtype[WPS_DEV_TYPE_BUFSIZE];
4186         struct wpa_ssid *ssid;
4187         size_t i;
4188
4189         if (!wpa_s->global->p2p)
4190                 return -1;
4191
4192         if (os_strcmp(cmd, "FIRST") == 0) {
4193                 addr_ptr = NULL;
4194                 next = 0;
4195         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4196                 if (hwaddr_aton(cmd + 5, addr) < 0)
4197                         return -1;
4198                 addr_ptr = addr;
4199                 next = 1;
4200         } else {
4201                 if (hwaddr_aton(cmd, addr) < 0)
4202                         return -1;
4203                 addr_ptr = addr;
4204                 next = 0;
4205         }
4206
4207         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4208         if (info == NULL)
4209                 return -1;
4210
4211         pos = buf;
4212         end = buf + buflen;
4213
4214         res = os_snprintf(pos, end - pos, MACSTR "\n"
4215                           "pri_dev_type=%s\n"
4216                           "device_name=%s\n"
4217                           "manufacturer=%s\n"
4218                           "model_name=%s\n"
4219                           "model_number=%s\n"
4220                           "serial_number=%s\n"
4221                           "config_methods=0x%x\n"
4222                           "dev_capab=0x%x\n"
4223                           "group_capab=0x%x\n"
4224                           "level=%d\n",
4225                           MAC2STR(info->p2p_device_addr),
4226                           wps_dev_type_bin2str(info->pri_dev_type,
4227                                                devtype, sizeof(devtype)),
4228                           info->device_name,
4229                           info->manufacturer,
4230                           info->model_name,
4231                           info->model_number,
4232                           info->serial_number,
4233                           info->config_methods,
4234                           info->dev_capab,
4235                           info->group_capab,
4236                           info->level);
4237         if (res < 0 || res >= end - pos)
4238                 return pos - buf;
4239         pos += res;
4240
4241         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4242         {
4243                 const u8 *t;
4244                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4245                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4246                                   wps_dev_type_bin2str(t, devtype,
4247                                                        sizeof(devtype)));
4248                 if (res < 0 || res >= end - pos)
4249                         return pos - buf;
4250                 pos += res;
4251         }
4252
4253         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4254         if (ssid) {
4255                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4256                 if (res < 0 || res >= end - pos)
4257                         return pos - buf;
4258                 pos += res;
4259         }
4260
4261         res = p2p_get_peer_info_txt(info, pos, end - pos);
4262         if (res < 0)
4263                 return pos - buf;
4264         pos += res;
4265
4266         return pos - buf;
4267 }
4268
4269
4270 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4271                                   const char *param)
4272 {
4273         struct wpa_freq_range *freq = NULL, *n;
4274         unsigned int count = 0, i;
4275         const char *pos, *pos2, *pos3;
4276
4277         if (wpa_s->global->p2p == NULL)
4278                 return -1;
4279
4280         /*
4281          * param includes comma separated frequency range.
4282          * For example: 2412-2432,2462,5000-6000
4283          */
4284         pos = param;
4285         while (pos && pos[0]) {
4286                 n = os_realloc_array(freq, count + 1,
4287                                      sizeof(struct wpa_freq_range));
4288                 if (n == NULL) {
4289                         os_free(freq);
4290                         return -1;
4291                 }
4292                 freq = n;
4293                 freq[count].min = atoi(pos);
4294                 pos2 = os_strchr(pos, '-');
4295                 pos3 = os_strchr(pos, ',');
4296                 if (pos2 && (!pos3 || pos2 < pos3)) {
4297                         pos2++;
4298                         freq[count].max = atoi(pos2);
4299                 } else
4300                         freq[count].max = freq[count].min;
4301                 pos = pos3;
4302                 if (pos)
4303                         pos++;
4304                 count++;
4305         }
4306
4307         for (i = 0; i < count; i++) {
4308                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4309                            freq[i].min, freq[i].max);
4310         }
4311
4312         os_free(wpa_s->global->p2p_disallow_freq);
4313         wpa_s->global->p2p_disallow_freq = freq;
4314         wpa_s->global->num_p2p_disallow_freq = count;
4315         wpas_p2p_update_channel_list(wpa_s);
4316         return 0;
4317 }
4318
4319
4320 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4321 {
4322         char *param;
4323
4324         if (wpa_s->global->p2p == NULL)
4325                 return -1;
4326
4327         param = os_strchr(cmd, ' ');
4328         if (param == NULL)
4329                 return -1;
4330         *param++ = '\0';
4331
4332         if (os_strcmp(cmd, "discoverability") == 0) {
4333                 p2p_set_client_discoverability(wpa_s->global->p2p,
4334                                                atoi(param));
4335                 return 0;
4336         }
4337
4338         if (os_strcmp(cmd, "managed") == 0) {
4339                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4340                 return 0;
4341         }
4342
4343         if (os_strcmp(cmd, "listen_channel") == 0) {
4344                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4345                                               atoi(param));
4346         }
4347
4348         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4349                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4350                                             os_strlen(param));
4351         }
4352
4353         if (os_strcmp(cmd, "noa") == 0) {
4354                 char *pos;
4355                 int count, start, duration;
4356                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4357                 count = atoi(param);
4358                 pos = os_strchr(param, ',');
4359                 if (pos == NULL)
4360                         return -1;
4361                 pos++;
4362                 start = atoi(pos);
4363                 pos = os_strchr(pos, ',');
4364                 if (pos == NULL)
4365                         return -1;
4366                 pos++;
4367                 duration = atoi(pos);
4368                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4369                         return -1;
4370                 if (count == 0 && duration > 0)
4371                         return -1;
4372                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4373                            "start=%d duration=%d", count, start, duration);
4374                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4375         }
4376
4377         if (os_strcmp(cmd, "ps") == 0)
4378                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4379
4380         if (os_strcmp(cmd, "oppps") == 0)
4381                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4382
4383         if (os_strcmp(cmd, "ctwindow") == 0)
4384                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4385
4386         if (os_strcmp(cmd, "disabled") == 0) {
4387                 wpa_s->global->p2p_disabled = atoi(param);
4388                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4389                            wpa_s->global->p2p_disabled ?
4390                            "disabled" : "enabled");
4391                 if (wpa_s->global->p2p_disabled) {
4392                         wpas_p2p_stop_find(wpa_s);
4393                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4394                         p2p_flush(wpa_s->global->p2p);
4395                 }
4396                 return 0;
4397         }
4398
4399         if (os_strcmp(cmd, "conc_pref") == 0) {
4400                 if (os_strcmp(param, "sta") == 0)
4401                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4402                 else if (os_strcmp(param, "p2p") == 0)
4403                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4404                 else {
4405                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4406                         return -1;
4407                 }
4408                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4409                            "%s", param);
4410                 return 0;
4411         }
4412
4413         if (os_strcmp(cmd, "force_long_sd") == 0) {
4414                 wpa_s->force_long_sd = atoi(param);
4415                 return 0;
4416         }
4417
4418         if (os_strcmp(cmd, "peer_filter") == 0) {
4419                 u8 addr[ETH_ALEN];
4420                 if (hwaddr_aton(param, addr))
4421                         return -1;
4422                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4423                 return 0;
4424         }
4425
4426         if (os_strcmp(cmd, "cross_connect") == 0)
4427                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4428
4429         if (os_strcmp(cmd, "go_apsd") == 0) {
4430                 if (os_strcmp(param, "disable") == 0)
4431                         wpa_s->set_ap_uapsd = 0;
4432                 else {
4433                         wpa_s->set_ap_uapsd = 1;
4434                         wpa_s->ap_uapsd = atoi(param);
4435                 }
4436                 return 0;
4437         }
4438
4439         if (os_strcmp(cmd, "client_apsd") == 0) {
4440                 if (os_strcmp(param, "disable") == 0)
4441                         wpa_s->set_sta_uapsd = 0;
4442                 else {
4443                         int be, bk, vi, vo;
4444                         char *pos;
4445                         /* format: BE,BK,VI,VO;max SP Length */
4446                         be = atoi(param);
4447                         pos = os_strchr(param, ',');
4448                         if (pos == NULL)
4449                                 return -1;
4450                         pos++;
4451                         bk = atoi(pos);
4452                         pos = os_strchr(pos, ',');
4453                         if (pos == NULL)
4454                                 return -1;
4455                         pos++;
4456                         vi = atoi(pos);
4457                         pos = os_strchr(pos, ',');
4458                         if (pos == NULL)
4459                                 return -1;
4460                         pos++;
4461                         vo = atoi(pos);
4462                         /* ignore max SP Length for now */
4463
4464                         wpa_s->set_sta_uapsd = 1;
4465                         wpa_s->sta_uapsd = 0;
4466                         if (be)
4467                                 wpa_s->sta_uapsd |= BIT(0);
4468                         if (bk)
4469                                 wpa_s->sta_uapsd |= BIT(1);
4470                         if (vi)
4471                                 wpa_s->sta_uapsd |= BIT(2);
4472                         if (vo)
4473                                 wpa_s->sta_uapsd |= BIT(3);
4474                 }
4475                 return 0;
4476         }
4477
4478         if (os_strcmp(cmd, "disallow_freq") == 0)
4479                 return p2p_ctrl_disallow_freq(wpa_s, param);
4480
4481         if (os_strcmp(cmd, "disc_int") == 0) {
4482                 int min_disc_int, max_disc_int, max_disc_tu;
4483                 char *pos;
4484
4485                 pos = param;
4486
4487                 min_disc_int = atoi(pos);
4488                 pos = os_strchr(pos, ' ');
4489                 if (pos == NULL)
4490                         return -1;
4491                 *pos++ = '\0';
4492
4493                 max_disc_int = atoi(pos);
4494                 pos = os_strchr(pos, ' ');
4495                 if (pos == NULL)
4496                         return -1;
4497                 *pos++ = '\0';
4498
4499                 max_disc_tu = atoi(pos);
4500
4501                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4502                                         max_disc_int, max_disc_tu);
4503         }
4504
4505         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4506                    cmd);
4507
4508         return -1;
4509 }
4510
4511
4512 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
4513 {
4514         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4515         wpa_s->force_long_sd = 0;
4516         if (wpa_s->global->p2p)
4517                 p2p_flush(wpa_s->global->p2p);
4518 }
4519
4520
4521 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4522 {
4523         char *pos, *pos2;
4524         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4525
4526         if (cmd[0]) {
4527                 pos = os_strchr(cmd, ' ');
4528                 if (pos == NULL)
4529                         return -1;
4530                 *pos++ = '\0';
4531                 dur1 = atoi(cmd);
4532
4533                 pos2 = os_strchr(pos, ' ');
4534                 if (pos2)
4535                         *pos2++ = '\0';
4536                 int1 = atoi(pos);
4537         } else
4538                 pos2 = NULL;
4539
4540         if (pos2) {
4541                 pos = os_strchr(pos2, ' ');
4542                 if (pos == NULL)
4543                         return -1;
4544                 *pos++ = '\0';
4545                 dur2 = atoi(pos2);
4546                 int2 = atoi(pos);
4547         }
4548
4549         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4550 }
4551
4552
4553 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4554 {
4555         char *pos;
4556         unsigned int period = 0, interval = 0;
4557
4558         if (cmd[0]) {
4559                 pos = os_strchr(cmd, ' ');
4560                 if (pos == NULL)
4561                         return -1;
4562                 *pos++ = '\0';
4563                 period = atoi(cmd);
4564                 interval = atoi(pos);
4565         }
4566
4567         return wpas_p2p_ext_listen(wpa_s, period, interval);
4568 }
4569
4570 #endif /* CONFIG_P2P */
4571
4572
4573 #ifdef CONFIG_INTERWORKING
4574 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4575 {
4576         u8 bssid[ETH_ALEN];
4577         struct wpa_bss *bss;
4578
4579         if (hwaddr_aton(dst, bssid)) {
4580                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4581                 return -1;
4582         }
4583
4584         bss = wpa_bss_get_bssid(wpa_s, bssid);
4585         if (bss == NULL) {
4586                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4587                            MAC2STR(bssid));
4588                 return -1;
4589         }
4590
4591         return interworking_connect(wpa_s, bss);
4592 }
4593
4594
4595 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4596 {
4597         u8 dst_addr[ETH_ALEN];
4598         int used;
4599         char *pos;
4600 #define MAX_ANQP_INFO_ID 100
4601         u16 id[MAX_ANQP_INFO_ID];
4602         size_t num_id = 0;
4603
4604         used = hwaddr_aton2(dst, dst_addr);
4605         if (used < 0)
4606                 return -1;
4607         pos = dst + used;
4608         while (num_id < MAX_ANQP_INFO_ID) {
4609                 id[num_id] = atoi(pos);
4610                 if (id[num_id])
4611                         num_id++;
4612                 pos = os_strchr(pos + 1, ',');
4613                 if (pos == NULL)
4614                         break;
4615                 pos++;
4616         }
4617
4618         if (num_id == 0)
4619                 return -1;
4620
4621         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4622 }
4623
4624
4625 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4626 {
4627         u8 dst_addr[ETH_ALEN];
4628         struct wpabuf *advproto, *query = NULL;
4629         int used, ret = -1;
4630         char *pos, *end;
4631         size_t len;
4632
4633         used = hwaddr_aton2(cmd, dst_addr);
4634         if (used < 0)
4635                 return -1;
4636
4637         pos = cmd + used;
4638         while (*pos == ' ')
4639                 pos++;
4640
4641         /* Advertisement Protocol ID */
4642         end = os_strchr(pos, ' ');
4643         if (end)
4644                 len = end - pos;
4645         else
4646                 len = os_strlen(pos);
4647         if (len & 0x01)
4648                 return -1;
4649         len /= 2;
4650         if (len == 0)
4651                 return -1;
4652         advproto = wpabuf_alloc(len);
4653         if (advproto == NULL)
4654                 return -1;
4655         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4656                 goto fail;
4657
4658         if (end) {
4659                 /* Optional Query Request */
4660                 pos = end + 1;
4661                 while (*pos == ' ')
4662                         pos++;
4663
4664                 len = os_strlen(pos);
4665                 if (len) {
4666                         if (len & 0x01)
4667                                 goto fail;
4668                         len /= 2;
4669                         if (len == 0)
4670                                 goto fail;
4671                         query = wpabuf_alloc(len);
4672                         if (query == NULL)
4673                                 goto fail;
4674                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4675                                 goto fail;
4676                 }
4677         }
4678
4679         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4680
4681 fail:
4682         wpabuf_free(advproto);
4683         wpabuf_free(query);
4684
4685         return ret;
4686 }
4687
4688
4689 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4690                             size_t buflen)
4691 {
4692         u8 addr[ETH_ALEN];
4693         int dialog_token;
4694         int used;
4695         char *pos;
4696         size_t resp_len, start, requested_len;
4697
4698         if (!wpa_s->last_gas_resp)
4699                 return -1;
4700
4701         used = hwaddr_aton2(cmd, addr);
4702         if (used < 0)
4703                 return -1;
4704
4705         pos = cmd + used;
4706         while (*pos == ' ')
4707                 pos++;
4708         dialog_token = atoi(pos);
4709
4710         if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4711             dialog_token != wpa_s->last_gas_dialog_token)
4712                 return -1;
4713
4714         resp_len = wpabuf_len(wpa_s->last_gas_resp);
4715         start = 0;
4716         requested_len = resp_len;
4717
4718         pos = os_strchr(pos, ' ');
4719         if (pos) {
4720                 start = atoi(pos);
4721                 if (start > resp_len)
4722                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4723                 pos = os_strchr(pos, ',');
4724                 if (pos == NULL)
4725                         return -1;
4726                 pos++;
4727                 requested_len = atoi(pos);
4728                 if (start + requested_len > resp_len)
4729                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4730         }
4731
4732         if (requested_len * 2 + 1 > buflen)
4733                 return os_snprintf(buf, buflen, "FAIL-Too long response");
4734
4735         return wpa_snprintf_hex(buf, buflen,
4736                                 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4737                                 requested_len);
4738 }
4739 #endif /* CONFIG_INTERWORKING */
4740
4741
4742 #ifdef CONFIG_HS20
4743
4744 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4745 {
4746         u8 dst_addr[ETH_ALEN];
4747         int used;
4748         char *pos;
4749         u32 subtypes = 0;
4750
4751         used = hwaddr_aton2(dst, dst_addr);
4752         if (used < 0)
4753                 return -1;
4754         pos = dst + used;
4755         for (;;) {
4756                 int num = atoi(pos);
4757                 if (num <= 0 || num > 31)
4758                         return -1;
4759                 subtypes |= BIT(num);
4760                 pos = os_strchr(pos + 1, ',');
4761                 if (pos == NULL)
4762                         break;
4763                 pos++;
4764         }
4765
4766         if (subtypes == 0)
4767                 return -1;
4768
4769         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4770 }
4771
4772
4773 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4774                                     const u8 *addr, const char *realm)
4775 {
4776         u8 *buf;
4777         size_t rlen, len;
4778         int ret;
4779
4780         rlen = os_strlen(realm);
4781         len = 3 + rlen;
4782         buf = os_malloc(len);
4783         if (buf == NULL)
4784                 return -1;
4785         buf[0] = 1; /* NAI Home Realm Count */
4786         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4787         buf[2] = rlen;
4788         os_memcpy(buf + 3, realm, rlen);
4789
4790         ret = hs20_anqp_send_req(wpa_s, addr,
4791                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4792                                  buf, len);
4793
4794         os_free(buf);
4795
4796         return ret;
4797 }
4798
4799
4800 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4801                                         char *dst)
4802 {
4803         struct wpa_cred *cred = wpa_s->conf->cred;
4804         u8 dst_addr[ETH_ALEN];
4805         int used;
4806         u8 *buf;
4807         size_t len;
4808         int ret;
4809
4810         used = hwaddr_aton2(dst, dst_addr);
4811         if (used < 0)
4812                 return -1;
4813
4814         while (dst[used] == ' ')
4815                 used++;
4816         if (os_strncmp(dst + used, "realm=", 6) == 0)
4817                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4818                                                 dst + used + 6);
4819
4820         len = os_strlen(dst + used);
4821
4822         if (len == 0 && cred && cred->realm)
4823                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4824
4825         if (len % 1)
4826                 return -1;
4827         len /= 2;
4828         buf = os_malloc(len);
4829         if (buf == NULL)
4830                 return -1;
4831         if (hexstr2bin(dst + used, buf, len) < 0) {
4832                 os_free(buf);
4833                 return -1;
4834         }
4835
4836         ret = hs20_anqp_send_req(wpa_s, dst_addr,
4837                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4838                                  buf, len);
4839         os_free(buf);
4840
4841         return ret;
4842 }
4843
4844 #endif /* CONFIG_HS20 */
4845
4846
4847 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4848         struct wpa_supplicant *wpa_s, char *cmd)
4849 {
4850         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4851         return 0;
4852 }
4853
4854
4855 #ifdef CONFIG_AUTOSCAN
4856
4857 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4858                                               char *cmd)
4859 {
4860         enum wpa_states state = wpa_s->wpa_state;
4861         char *new_params = NULL;
4862
4863         if (os_strlen(cmd) > 0) {
4864                 new_params = os_strdup(cmd);
4865                 if (new_params == NULL)
4866                         return -1;
4867         }
4868
4869         os_free(wpa_s->conf->autoscan);
4870         wpa_s->conf->autoscan = new_params;
4871
4872         if (wpa_s->conf->autoscan == NULL)
4873                 autoscan_deinit(wpa_s);
4874         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4875                 autoscan_init(wpa_s, 1);
4876         else if (state == WPA_SCANNING)
4877                 wpa_supplicant_reinit_autoscan(wpa_s);
4878
4879         return 0;
4880 }
4881
4882 #endif /* CONFIG_AUTOSCAN */
4883
4884
4885 #ifdef CONFIG_WNM
4886
4887 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
4888 {
4889         int enter;
4890         int intval = 0;
4891         char *pos;
4892         int ret;
4893         struct wpabuf *tfs_req = NULL;
4894
4895         if (os_strncmp(cmd, "enter", 5) == 0)
4896                 enter = 1;
4897         else if (os_strncmp(cmd, "exit", 4) == 0)
4898                 enter = 0;
4899         else
4900                 return -1;
4901
4902         pos = os_strstr(cmd, " interval=");
4903         if (pos)
4904                 intval = atoi(pos + 10);
4905
4906         pos = os_strstr(cmd, " tfs_req=");
4907         if (pos) {
4908                 char *end;
4909                 size_t len;
4910                 pos += 9;
4911                 end = os_strchr(pos, ' ');
4912                 if (end)
4913                         len = end - pos;
4914                 else
4915                         len = os_strlen(pos);
4916                 if (len & 1)
4917                         return -1;
4918                 len /= 2;
4919                 tfs_req = wpabuf_alloc(len);
4920                 if (tfs_req == NULL)
4921                         return -1;
4922                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
4923                         wpabuf_free(tfs_req);
4924                         return -1;
4925                 }
4926         }
4927
4928         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
4929                                            WNM_SLEEP_MODE_EXIT, intval,
4930                                            tfs_req);
4931         wpabuf_free(tfs_req);
4932
4933         return ret;
4934 }
4935
4936 #endif /* CONFIG_WNM */
4937
4938
4939 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
4940                                       size_t buflen)
4941 {
4942         struct wpa_signal_info si;
4943         int ret;
4944
4945         ret = wpa_drv_signal_poll(wpa_s, &si);
4946         if (ret)
4947                 return -1;
4948
4949         ret = os_snprintf(buf, buflen, "RSSI=%d\nLINKSPEED=%d\n"
4950                           "NOISE=%d\nFREQUENCY=%u\n",
4951                           si.current_signal, si.current_txrate / 1000,
4952                           si.current_noise, si.frequency);
4953         if (ret < 0 || (unsigned int) ret > buflen)
4954                 return -1;
4955         return ret;
4956 }
4957
4958
4959 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
4960                                       size_t buflen)
4961 {
4962         struct hostap_sta_driver_data sta;
4963         int ret;
4964
4965         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
4966         if (ret)
4967                 return -1;
4968
4969         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
4970                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
4971         if (ret < 0 || (size_t) ret > buflen)
4972                 return -1;
4973         return ret;
4974 }
4975
4976
4977 #ifdef ANDROID
4978 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
4979                                      char *buf, size_t buflen)
4980 {
4981         int ret;
4982
4983         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
4984         if (ret == 0)
4985                 ret = sprintf(buf, "%s\n", "OK");
4986         return ret;
4987 }
4988 #endif
4989
4990
4991 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
4992 {
4993         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
4994
4995 #ifdef CONFIG_P2P
4996         wpas_p2p_stop_find(wpa_s);
4997         p2p_ctrl_flush(wpa_s);
4998         wpas_p2p_group_remove(wpa_s, "*");
4999 #endif /* CONFIG_P2P */
5000
5001 #ifdef CONFIG_WPS_TESTING
5002         wps_version_number = 0x20;
5003         wps_testing_dummy_cred = 0;
5004 #endif /* CONFIG_WPS_TESTING */
5005 #ifdef CONFIG_WPS
5006         wpas_wps_cancel(wpa_s);
5007 #endif /* CONFIG_WPS */
5008
5009 #ifdef CONFIG_TDLS_TESTING
5010         extern unsigned int tdls_testing;
5011         tdls_testing = 0;
5012 #endif /* CONFIG_TDLS_TESTING */
5013 #ifdef CONFIG_TDLS
5014         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
5015         wpa_tdls_enable(wpa_s->wpa, 1);
5016 #endif /* CONFIG_TDLS */
5017
5018         wpa_s->no_keep_alive = 0;
5019
5020         os_free(wpa_s->disallow_aps_bssid);
5021         wpa_s->disallow_aps_bssid = NULL;
5022         wpa_s->disallow_aps_bssid_count = 0;
5023         os_free(wpa_s->disallow_aps_ssid);
5024         wpa_s->disallow_aps_ssid = NULL;
5025         wpa_s->disallow_aps_ssid_count = 0;
5026
5027         wpa_s->set_sta_uapsd = 0;
5028         wpa_s->sta_uapsd = 0;
5029
5030         wpa_drv_radio_disable(wpa_s, 0);
5031
5032         wpa_bss_flush(wpa_s);
5033         wpa_blacklist_clear(wpa_s);
5034         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
5035         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
5036 }
5037
5038
5039 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
5040                                          char *buf, size_t *resp_len)
5041 {
5042         char *reply;
5043         const int reply_size = 4096;
5044         int ctrl_rsp = 0;
5045         int reply_len;
5046
5047         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
5048             os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
5049             os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
5050             os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0 ||
5051             os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
5052                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
5053                                       (const u8 *) buf, os_strlen(buf));
5054         } else {
5055                 int level = MSG_DEBUG;
5056                 if (os_strcmp(buf, "PING") == 0)
5057                         level = MSG_EXCESSIVE;
5058                 wpa_hexdump_ascii(level, "RX ctrl_iface",
5059                                   (const u8 *) buf, os_strlen(buf));
5060                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
5061         }
5062
5063         reply = os_malloc(reply_size);
5064         if (reply == NULL) {
5065                 *resp_len = 1;
5066                 return NULL;
5067         }
5068
5069         os_memcpy(reply, "OK\n", 3);
5070         reply_len = 3;
5071
5072         if (os_strcmp(buf, "PING") == 0) {
5073                 os_memcpy(reply, "PONG\n", 5);
5074                 reply_len = 5;
5075         } else if (os_strcmp(buf, "IFNAME") == 0) {
5076                 reply_len = os_strlen(wpa_s->ifname);
5077                 os_memcpy(reply, wpa_s->ifname, reply_len);
5078         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
5079                 if (wpa_debug_reopen_file() < 0)
5080                         reply_len = -1;
5081         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
5082                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
5083         } else if (os_strcmp(buf, "MIB") == 0) {
5084                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
5085                 if (reply_len >= 0) {
5086                         int res;
5087                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
5088                                                reply_size - reply_len);
5089                         if (res < 0)
5090                                 reply_len = -1;
5091                         else
5092                                 reply_len += res;
5093                 }
5094         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
5095                 reply_len = wpa_supplicant_ctrl_iface_status(
5096                         wpa_s, buf + 6, reply, reply_size);
5097         } else if (os_strcmp(buf, "PMKSA") == 0) {
5098                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
5099                                                     reply_size);
5100         } else if (os_strncmp(buf, "SET ", 4) == 0) {
5101                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
5102                         reply_len = -1;
5103         } else if (os_strncmp(buf, "GET ", 4) == 0) {
5104                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
5105                                                           reply, reply_size);
5106         } else if (os_strcmp(buf, "LOGON") == 0) {
5107                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5108         } else if (os_strcmp(buf, "LOGOFF") == 0) {
5109                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
5110         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
5111                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5112                         reply_len = -1;
5113                 else
5114                         wpas_request_connection(wpa_s);
5115         } else if (os_strcmp(buf, "RECONNECT") == 0) {
5116                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5117                         reply_len = -1;
5118                 else if (wpa_s->disconnected)
5119                         wpas_request_connection(wpa_s);
5120 #ifdef IEEE8021X_EAPOL
5121         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
5122                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
5123                         reply_len = -1;
5124 #endif /* IEEE8021X_EAPOL */
5125 #ifdef CONFIG_PEERKEY
5126         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
5127                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
5128                         reply_len = -1;
5129 #endif /* CONFIG_PEERKEY */
5130 #ifdef CONFIG_IEEE80211R
5131         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
5132                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
5133                         reply_len = -1;
5134 #endif /* CONFIG_IEEE80211R */
5135 #ifdef CONFIG_WPS
5136         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
5137                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
5138                 if (res == -2) {
5139                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5140                         reply_len = 17;
5141                 } else if (res)
5142                         reply_len = -1;
5143         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
5144                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
5145                 if (res == -2) {
5146                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5147                         reply_len = 17;
5148                 } else if (res)
5149                         reply_len = -1;
5150         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
5151                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
5152                                                               reply,
5153                                                               reply_size);
5154         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
5155                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
5156                         wpa_s, buf + 14, reply, reply_size);
5157         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
5158                 if (wpas_wps_cancel(wpa_s))
5159                         reply_len = -1;
5160 #ifdef CONFIG_WPS_NFC
5161         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
5162                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
5163                         reply_len = -1;
5164         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
5165                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
5166                         reply_len = -1;
5167         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
5168                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
5169                         wpa_s, buf + 21, reply, reply_size);
5170         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
5171                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
5172                         wpa_s, buf + 14, reply, reply_size);
5173         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
5174                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
5175                                                                buf + 17))
5176                         reply_len = -1;
5177         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
5178                 reply_len = wpas_ctrl_nfc_get_handover_req(
5179                         wpa_s, buf + 21, reply, reply_size);
5180         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
5181                 reply_len = wpas_ctrl_nfc_get_handover_sel(
5182                         wpa_s, buf + 21, reply, reply_size);
5183         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
5184                 reply_len = wpas_ctrl_nfc_rx_handover_req(
5185                         wpa_s, buf + 20, reply, reply_size);
5186         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
5187                 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
5188                         reply_len = -1;
5189         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
5190                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
5191                         reply_len = -1;
5192 #endif /* CONFIG_WPS_NFC */
5193         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
5194                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
5195                         reply_len = -1;
5196 #ifdef CONFIG_AP
5197         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
5198                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
5199                         wpa_s, buf + 11, reply, reply_size);
5200 #endif /* CONFIG_AP */
5201 #ifdef CONFIG_WPS_ER
5202         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
5203                 if (wpas_wps_er_start(wpa_s, NULL))
5204                         reply_len = -1;
5205         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
5206                 if (wpas_wps_er_start(wpa_s, buf + 13))
5207                         reply_len = -1;
5208         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
5209                 if (wpas_wps_er_stop(wpa_s))
5210                         reply_len = -1;
5211         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
5212                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
5213                         reply_len = -1;
5214         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
5215                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
5216                 if (ret == -2) {
5217                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5218                         reply_len = 17;
5219                 } else if (ret == -3) {
5220                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
5221                         reply_len = 18;
5222                 } else if (ret == -4) {
5223                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
5224                         reply_len = 20;
5225                 } else if (ret)
5226                         reply_len = -1;
5227         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
5228                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
5229                         reply_len = -1;
5230         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
5231                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
5232                                                                 buf + 18))
5233                         reply_len = -1;
5234         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
5235                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
5236                         reply_len = -1;
5237 #ifdef CONFIG_WPS_NFC
5238         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
5239                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
5240                         wpa_s, buf + 24, reply, reply_size);
5241 #endif /* CONFIG_WPS_NFC */
5242 #endif /* CONFIG_WPS_ER */
5243 #endif /* CONFIG_WPS */
5244 #ifdef CONFIG_IBSS_RSN
5245         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
5246                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
5247                         reply_len = -1;
5248 #endif /* CONFIG_IBSS_RSN */
5249 #ifdef CONFIG_P2P
5250         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
5251                 if (p2p_ctrl_find(wpa_s, buf + 9))
5252                         reply_len = -1;
5253         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
5254                 if (p2p_ctrl_find(wpa_s, ""))
5255                         reply_len = -1;
5256         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
5257                 wpas_p2p_stop_find(wpa_s);
5258         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
5259                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
5260                                              reply_size);
5261         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
5262                 if (p2p_ctrl_listen(wpa_s, buf + 11))
5263                         reply_len = -1;
5264         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
5265                 if (p2p_ctrl_listen(wpa_s, ""))
5266                         reply_len = -1;
5267         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
5268                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
5269                         reply_len = -1;
5270         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
5271                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0))
5272                         reply_len = -1;
5273         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
5274                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
5275                         reply_len = -1;
5276         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
5277                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
5278                         reply_len = -1;
5279         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
5280                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
5281         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
5282                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
5283                                                    reply_size);
5284         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
5285                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
5286                         reply_len = -1;
5287         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
5288                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
5289                         reply_len = -1;
5290         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
5291 #ifdef ANDROID_P2P
5292                 wpas_p2p_sd_service_update(wpa_s, SRV_UPDATE);
5293 #else
5294                 wpas_p2p_sd_service_update(wpa_s);
5295 #endif
5296         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
5297                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
5298                         reply_len = -1;
5299         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
5300                 wpas_p2p_service_flush(wpa_s);
5301         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
5302                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
5303                         reply_len = -1;
5304         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
5305                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
5306                         reply_len = -1;
5307         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
5308                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
5309                         reply_len = -1;
5310         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
5311                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
5312                         reply_len = -1;
5313         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
5314                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
5315                                               reply_size);
5316         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
5317                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
5318                         reply_len = -1;
5319         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
5320                 p2p_ctrl_flush(wpa_s);
5321         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
5322                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
5323                         reply_len = -1;
5324         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
5325                 if (wpas_p2p_cancel(wpa_s))
5326                         reply_len = -1;
5327         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
5328                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
5329                         reply_len = -1;
5330         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
5331                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
5332                         reply_len = -1;
5333         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
5334                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
5335                         reply_len = -1;
5336         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
5337                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
5338                         reply_len = -1;
5339 #endif /* CONFIG_P2P */
5340 #ifdef CONFIG_WIFI_DISPLAY
5341         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
5342                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
5343                         reply_len = -1;
5344         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
5345                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
5346                                                      reply, reply_size);
5347 #endif /* CONFIG_WIFI_DISPLAY */
5348 #ifdef CONFIG_INTERWORKING
5349         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
5350                 if (interworking_fetch_anqp(wpa_s) < 0)
5351                         reply_len = -1;
5352         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
5353                 interworking_stop_fetch_anqp(wpa_s);
5354         } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
5355                 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
5356                                         NULL) < 0)
5357                         reply_len = -1;
5358         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
5359                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
5360                         reply_len = -1;
5361         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
5362                 if (get_anqp(wpa_s, buf + 9) < 0)
5363                         reply_len = -1;
5364         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
5365                 if (gas_request(wpa_s, buf + 12) < 0)
5366                         reply_len = -1;
5367         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
5368                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
5369                                              reply_size);
5370 #endif /* CONFIG_INTERWORKING */
5371 #ifdef CONFIG_HS20
5372         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
5373                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
5374                         reply_len = -1;
5375         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
5376                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
5377                         reply_len = -1;
5378 #endif /* CONFIG_HS20 */
5379         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
5380         {
5381                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
5382                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
5383                         reply_len = -1;
5384                 else
5385                         ctrl_rsp = 1;
5386         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
5387                 if (wpa_supplicant_reload_configuration(wpa_s))
5388                         reply_len = -1;
5389         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5390                 wpa_supplicant_terminate_proc(wpa_s->global);
5391         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
5392                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
5393                         reply_len = -1;
5394         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
5395                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
5396                         wpa_s, buf + 9, reply, reply_size);
5397         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
5398                 reply_len = wpa_supplicant_ctrl_iface_log_level(
5399                         wpa_s, buf + 9, reply, reply_size);
5400         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
5401                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
5402                         wpa_s, reply, reply_size);
5403         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
5404 #ifdef CONFIG_SME
5405                 wpa_s->sme.prev_bssid_set = 0;
5406 #endif /* CONFIG_SME */
5407                 wpa_s->reassociate = 0;
5408                 wpa_s->disconnected = 1;
5409                 wpa_supplicant_cancel_sched_scan(wpa_s);
5410                 wpa_supplicant_cancel_scan(wpa_s);
5411                 wpa_supplicant_deauthenticate(wpa_s,
5412                                               WLAN_REASON_DEAUTH_LEAVING);
5413         } else if (os_strcmp(buf, "SCAN") == 0 ||
5414                    os_strncmp(buf, "SCAN ", 5) == 0) {
5415                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5416                         reply_len = -1;
5417                 else {
5418                         if (os_strlen(buf) > 4 &&
5419                             os_strncasecmp(buf + 5, "TYPE=ONLY", 9) == 0)
5420                                 wpa_s->scan_res_handler = scan_only_handler;
5421                         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5422                             ((wpa_s->wpa_state <= WPA_SCANNING) ||
5423                              (wpa_s->wpa_state == WPA_COMPLETED))) {
5424                                 wpa_s->normal_scans = 0;
5425                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5426                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5427                         } else if (wpa_s->sched_scanning) {
5428                                 wpa_printf(MSG_DEBUG, "Stop ongoing "
5429                                            "sched_scan to allow requested "
5430                                            "full scan to proceed");
5431                                 wpa_supplicant_cancel_sched_scan(wpa_s);
5432                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5433                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5434                         } else {
5435                                 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
5436                                            "reject new request");
5437                                 reply_len = os_snprintf(reply, reply_size,
5438                                                         "FAIL-BUSY\n");
5439                         }
5440                 }
5441         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
5442                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
5443                         wpa_s, reply, reply_size);
5444         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
5445                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
5446                         reply_len = -1;
5447         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
5448                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
5449                         reply_len = -1;
5450         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
5451                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
5452                         reply_len = -1;
5453         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
5454                 reply_len = wpa_supplicant_ctrl_iface_add_network(
5455                         wpa_s, reply, reply_size);
5456         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
5457                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
5458                         reply_len = -1;
5459         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5460                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
5461                         reply_len = -1;
5462         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
5463                 reply_len = wpa_supplicant_ctrl_iface_get_network(
5464                         wpa_s, buf + 12, reply, reply_size);
5465         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
5466                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
5467                         wpa_s, reply, reply_size);
5468         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
5469                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
5470                         wpa_s, reply, reply_size);
5471         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
5472                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
5473                         reply_len = -1;
5474         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
5475                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
5476                         reply_len = -1;
5477 #ifndef CONFIG_NO_CONFIG_WRITE
5478         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
5479                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
5480                         reply_len = -1;
5481 #endif /* CONFIG_NO_CONFIG_WRITE */
5482         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
5483                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
5484                         wpa_s, buf + 15, reply, reply_size);
5485         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
5486                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
5487                         reply_len = -1;
5488         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
5489                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
5490                         reply_len = -1;
5491         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5492                 reply_len = wpa_supplicant_global_iface_list(
5493                         wpa_s->global, reply, reply_size);
5494         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5495                 reply_len = wpa_supplicant_global_iface_interfaces(
5496                         wpa_s->global, reply, reply_size);
5497         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
5498                 reply_len = wpa_supplicant_ctrl_iface_bss(
5499                         wpa_s, buf + 4, reply, reply_size);
5500 #ifdef CONFIG_AP
5501         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
5502                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
5503         } else if (os_strncmp(buf, "STA ", 4) == 0) {
5504                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
5505                                               reply_size);
5506         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
5507                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
5508                                                    reply_size);
5509         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
5510                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
5511                         reply_len = -1;
5512         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
5513                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
5514                         reply_len = -1;
5515 #endif /* CONFIG_AP */
5516         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5517                 wpas_notify_suspend(wpa_s->global);
5518         } else if (os_strcmp(buf, "RESUME") == 0) {
5519                 wpas_notify_resume(wpa_s->global);
5520         } else if (os_strcmp(buf, "DROP_SA") == 0) {
5521                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
5522         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
5523                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
5524                         reply_len = -1;
5525         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
5526                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
5527                         reply_len = -1;
5528         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
5529                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
5530                         reply_len = -1;
5531         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
5532                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
5533                                                                buf + 17))
5534                         reply_len = -1;
5535         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
5536                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
5537                         reply_len = -1;
5538 #ifdef CONFIG_TDLS
5539         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
5540                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
5541                         reply_len = -1;
5542         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
5543                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
5544                         reply_len = -1;
5545         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
5546                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
5547                         reply_len = -1;
5548 #endif /* CONFIG_TDLS */
5549         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
5550                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
5551                                                        reply_size);
5552         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
5553                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
5554                                                        reply_size);
5555 #ifdef CONFIG_AUTOSCAN
5556         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
5557                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
5558                         reply_len = -1;
5559 #endif /* CONFIG_AUTOSCAN */
5560 #ifdef ANDROID
5561         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
5562                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
5563                                                       reply_size);
5564 #endif
5565         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
5566                 pmksa_cache_clear_current(wpa_s->wpa);
5567                 eapol_sm_request_reauth(wpa_s->eapol);
5568 #ifdef CONFIG_WNM
5569         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
5570                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
5571                         reply_len = -1;
5572 #endif /* CONFIG_WNM */
5573         } else if (os_strcmp(buf, "FLUSH") == 0) {
5574                 wpa_supplicant_ctrl_iface_flush(wpa_s);
5575         } else {
5576                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5577                 reply_len = 16;
5578         }
5579
5580         if (reply_len < 0) {
5581                 os_memcpy(reply, "FAIL\n", 5);
5582                 reply_len = 5;
5583         }
5584
5585         if (ctrl_rsp)
5586                 eapol_sm_notify_ctrl_response(wpa_s->eapol);
5587
5588         *resp_len = reply_len;
5589         return reply;
5590 }
5591
5592
5593 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
5594                                            char *cmd)
5595 {
5596         struct wpa_interface iface;
5597         char *pos;
5598
5599         /*
5600          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
5601          * TAB<bridge_ifname>
5602          */
5603         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
5604
5605         os_memset(&iface, 0, sizeof(iface));
5606
5607         do {
5608                 iface.ifname = pos = cmd;
5609                 pos = os_strchr(pos, '\t');
5610                 if (pos)
5611                         *pos++ = '\0';
5612                 if (iface.ifname[0] == '\0')
5613                         return -1;
5614                 if (pos == NULL)
5615                         break;
5616
5617                 iface.confname = pos;
5618                 pos = os_strchr(pos, '\t');
5619                 if (pos)
5620                         *pos++ = '\0';
5621                 if (iface.confname[0] == '\0')
5622                         iface.confname = NULL;
5623                 if (pos == NULL)
5624                         break;
5625
5626                 iface.driver = pos;
5627                 pos = os_strchr(pos, '\t');
5628                 if (pos)
5629                         *pos++ = '\0';
5630                 if (iface.driver[0] == '\0')
5631                         iface.driver = NULL;
5632                 if (pos == NULL)
5633                         break;
5634
5635                 iface.ctrl_interface = pos;
5636                 pos = os_strchr(pos, '\t');
5637                 if (pos)
5638                         *pos++ = '\0';
5639                 if (iface.ctrl_interface[0] == '\0')
5640                         iface.ctrl_interface = NULL;
5641                 if (pos == NULL)
5642                         break;
5643
5644                 iface.driver_param = pos;
5645                 pos = os_strchr(pos, '\t');
5646                 if (pos)
5647                         *pos++ = '\0';
5648                 if (iface.driver_param[0] == '\0')
5649                         iface.driver_param = NULL;
5650                 if (pos == NULL)
5651                         break;
5652
5653                 iface.bridge_ifname = pos;
5654                 pos = os_strchr(pos, '\t');
5655                 if (pos)
5656                         *pos++ = '\0';
5657                 if (iface.bridge_ifname[0] == '\0')
5658                         iface.bridge_ifname = NULL;
5659                 if (pos == NULL)
5660                         break;
5661         } while (0);
5662
5663         if (wpa_supplicant_get_iface(global, iface.ifname))
5664                 return -1;
5665
5666         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
5667 }
5668
5669
5670 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
5671                                               char *cmd)
5672 {
5673         struct wpa_supplicant *wpa_s;
5674
5675         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
5676
5677         wpa_s = wpa_supplicant_get_iface(global, cmd);
5678         if (wpa_s == NULL)
5679                 return -1;
5680         return wpa_supplicant_remove_iface(global, wpa_s, 0);
5681 }
5682
5683
5684 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5685 {
5686         struct wpa_interface_info *prev;
5687
5688         while (iface) {
5689                 prev = iface;
5690                 iface = iface->next;
5691
5692                 os_free(prev->ifname);
5693                 os_free(prev->desc);
5694                 os_free(prev);
5695         }
5696 }
5697
5698
5699 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5700                                             char *buf, int len)
5701 {
5702         int i, res;
5703         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5704         char *pos, *end;
5705
5706         for (i = 0; wpa_drivers[i]; i++) {
5707                 struct wpa_driver_ops *drv = wpa_drivers[i];
5708                 if (drv->get_interfaces == NULL)
5709                         continue;
5710                 tmp = drv->get_interfaces(global->drv_priv[i]);
5711                 if (tmp == NULL)
5712                         continue;
5713
5714                 if (last == NULL)
5715                         iface = last = tmp;
5716                 else
5717                         last->next = tmp;
5718                 while (last->next)
5719                         last = last->next;
5720         }
5721
5722         pos = buf;
5723         end = buf + len;
5724         for (tmp = iface; tmp; tmp = tmp->next) {
5725                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5726                                   tmp->drv_name, tmp->ifname,
5727                                   tmp->desc ? tmp->desc : "");
5728                 if (res < 0 || res >= end - pos) {
5729                         *pos = '\0';
5730                         break;
5731                 }
5732                 pos += res;
5733         }
5734
5735         wpa_free_iface_info(iface);
5736
5737         return pos - buf;
5738 }
5739
5740
5741 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5742                                                   char *buf, int len)
5743 {
5744         int res;
5745         char *pos, *end;
5746         struct wpa_supplicant *wpa_s;
5747
5748         wpa_s = global->ifaces;
5749         pos = buf;
5750         end = buf + len;
5751
5752         while (wpa_s) {
5753                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5754                 if (res < 0 || res >= end - pos) {
5755                         *pos = '\0';
5756                         break;
5757                 }
5758                 pos += res;
5759                 wpa_s = wpa_s->next;
5760         }
5761         return pos - buf;
5762 }
5763
5764
5765 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
5766                                                 char *buf, size_t *resp_len)
5767 {
5768         char *reply;
5769         const int reply_size = 2048;
5770         int reply_len;
5771         int level = MSG_DEBUG;
5772
5773         if (os_strcmp(buf, "PING") == 0)
5774                 level = MSG_EXCESSIVE;
5775         wpa_hexdump_ascii(level, "RX global ctrl_iface",
5776                           (const u8 *) buf, os_strlen(buf));
5777
5778         reply = os_malloc(reply_size);
5779         if (reply == NULL) {
5780                 *resp_len = 1;
5781                 return NULL;
5782         }
5783
5784         os_memcpy(reply, "OK\n", 3);
5785         reply_len = 3;
5786
5787         if (os_strcmp(buf, "PING") == 0) {
5788                 os_memcpy(reply, "PONG\n", 5);
5789                 reply_len = 5;
5790         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
5791                 if (wpa_supplicant_global_iface_add(global, buf + 14))
5792                         reply_len = -1;
5793         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
5794                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
5795                         reply_len = -1;
5796         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5797                 reply_len = wpa_supplicant_global_iface_list(
5798                         global, reply, reply_size);
5799         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5800                 reply_len = wpa_supplicant_global_iface_interfaces(
5801                         global, reply, reply_size);
5802         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5803                 wpa_supplicant_terminate_proc(global);
5804         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5805                 wpas_notify_suspend(global);
5806         } else if (os_strcmp(buf, "RESUME") == 0) {
5807                 wpas_notify_resume(global);
5808         } else {
5809                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5810                 reply_len = 16;
5811         }
5812
5813         if (reply_len < 0) {
5814                 os_memcpy(reply, "FAIL\n", 5);
5815                 reply_len = 5;
5816         }
5817
5818         *resp_len = reply_len;
5819         return reply;
5820 }