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)
 914 {
 915         struct wpabuf *buf;
 916         int res;
 917
 918         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr);
 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;
 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         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
 953                 return wpas_ctrl_nfc_get_handover_sel_wps(
 954                         wpa_s, reply, max_len, ndef,
 955                         os_strcmp(pos, "WPS-CR") == 0);
 956         }
 957
 958         return -1;
 959 }
 960
 961
 962 static int wpas_ctrl_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
 963                                          char *cmd, char *reply,
 964                                          size_t max_len)
 965 {
 966         size_t len;
 967         struct wpabuf *buf;
 968         int ret;
 969
 970         len = os_strlen(cmd);
 971         if (len & 0x01)
 972                 return -1;
 973         len /= 2;
 974
 975         buf = wpabuf_alloc(len);
 976         if (buf == NULL)
 977                 return -1;
 978         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
 979                 wpabuf_free(buf);
 980                 return -1;
 981         }
 982
 983         ret = wpas_wps_nfc_rx_handover_req(wpa_s, buf);
 984         wpabuf_free(buf);
 985
 986         return ret;
 987 }
 988
 989
 990 static int wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
 991                                          char *cmd)
 992 {
 993         size_t len;
 994         struct wpabuf *buf;
 995         int ret;
 996
 997         len = os_strlen(cmd);
 998         if (len & 0x01)
 999                 return -1;
1000         len /= 2;
1001
1002         buf = wpabuf_alloc(len);
1003         if (buf == NULL)
1004                 return -1;
1005         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
1006                 wpabuf_free(buf);
1007                 return -1;
1008         }
1009
1010         ret = wpas_wps_nfc_rx_handover_sel(wpa_s, buf);
1011         wpabuf_free(buf);
1012
1013         return ret;
1014 }
1015
1016
1017 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1018                                          char *cmd)
1019 {
1020         size_t len;
1021         struct wpabuf *req, *sel;
1022         int ret;
1023         char *pos, *role, *type, *pos2;
1024
1025         role = cmd;
1026         pos = os_strchr(role, ' ');
1027         if (pos == NULL)
1028                 return -1;
1029         *pos++ = '\0';
1030
1031         type = pos;
1032         pos = os_strchr(type, ' ');
1033         if (pos == NULL)
1034                 return -1;
1035         *pos++ = '\0';
1036
1037         pos2 = os_strchr(pos, ' ');
1038         if (pos2 == NULL)
1039                 return -1;
1040         *pos2++ = '\0';
1041
1042         len = os_strlen(pos);
1043         if (len & 0x01)
1044                 return -1;
1045         len /= 2;
1046
1047         req = wpabuf_alloc(len);
1048         if (req == NULL)
1049                 return -1;
1050         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1051                 wpabuf_free(req);
1052                 return -1;
1053         }
1054
1055         len = os_strlen(pos2);
1056         if (len & 0x01) {
1057                 wpabuf_free(req);
1058                 return -1;
1059         }
1060         len /= 2;
1061
1062         sel = wpabuf_alloc(len);
1063         if (sel == NULL) {
1064                 wpabuf_free(req);
1065                 return -1;
1066         }
1067         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1068                 wpabuf_free(req);
1069                 wpabuf_free(sel);
1070                 return -1;
1071         }
1072
1073         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1074                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1075         } else {
1076                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1077                            "reported: role=%s type=%s", role, type);
1078                 ret = -1;
1079         }
1080         wpabuf_free(req);
1081         wpabuf_free(sel);
1082
1083         return ret;
1084 }
1085
1086 #endif /* CONFIG_WPS_NFC */
1087
1088
1089 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1090                                              char *cmd)
1091 {
1092         u8 bssid[ETH_ALEN];
1093         char *pin;
1094         char *new_ssid;
1095         char *new_auth;
1096         char *new_encr;
1097         char *new_key;
1098         struct wps_new_ap_settings ap;
1099
1100         pin = os_strchr(cmd, ' ');
1101         if (pin == NULL)
1102                 return -1;
1103         *pin++ = '\0';
1104
1105         if (hwaddr_aton(cmd, bssid)) {
1106                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1107                            cmd);
1108                 return -1;
1109         }
1110
1111         new_ssid = os_strchr(pin, ' ');
1112         if (new_ssid == NULL)
1113                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1114         *new_ssid++ = '\0';
1115
1116         new_auth = os_strchr(new_ssid, ' ');
1117         if (new_auth == NULL)
1118                 return -1;
1119         *new_auth++ = '\0';
1120
1121         new_encr = os_strchr(new_auth, ' ');
1122         if (new_encr == NULL)
1123                 return -1;
1124         *new_encr++ = '\0';
1125
1126         new_key = os_strchr(new_encr, ' ');
1127         if (new_key == NULL)
1128                 return -1;
1129         *new_key++ = '\0';
1130
1131         os_memset(&ap, 0, sizeof(ap));
1132         ap.ssid_hex = new_ssid;
1133         ap.auth = new_auth;
1134         ap.encr = new_encr;
1135         ap.key_hex = new_key;
1136         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1137 }
1138
1139
1140 #ifdef CONFIG_AP
1141 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1142                                                 char *cmd, char *buf,
1143                                                 size_t buflen)
1144 {
1145         int timeout = 300;
1146         char *pos;
1147         const char *pin_txt;
1148
1149         if (!wpa_s->ap_iface)
1150                 return -1;
1151
1152         pos = os_strchr(cmd, ' ');
1153         if (pos)
1154                 *pos++ = '\0';
1155
1156         if (os_strcmp(cmd, "disable") == 0) {
1157                 wpas_wps_ap_pin_disable(wpa_s);
1158                 return os_snprintf(buf, buflen, "OK\n");
1159         }
1160
1161         if (os_strcmp(cmd, "random") == 0) {
1162                 if (pos)
1163                         timeout = atoi(pos);
1164                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1165                 if (pin_txt == NULL)
1166                         return -1;
1167                 return os_snprintf(buf, buflen, "%s", pin_txt);
1168         }
1169
1170         if (os_strcmp(cmd, "get") == 0) {
1171                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1172                 if (pin_txt == NULL)
1173                         return -1;
1174                 return os_snprintf(buf, buflen, "%s", pin_txt);
1175         }
1176
1177         if (os_strcmp(cmd, "set") == 0) {
1178                 char *pin;
1179                 if (pos == NULL)
1180                         return -1;
1181                 pin = pos;
1182                 pos = os_strchr(pos, ' ');
1183                 if (pos) {
1184                         *pos++ = '\0';
1185                         timeout = atoi(pos);
1186                 }
1187                 if (os_strlen(pin) > buflen)
1188                         return -1;
1189                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1190                         return -1;
1191                 return os_snprintf(buf, buflen, "%s", pin);
1192         }
1193
1194         return -1;
1195 }
1196 #endif /* CONFIG_AP */
1197
1198
1199 #ifdef CONFIG_WPS_ER
1200 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1201                                                 char *cmd)
1202 {
1203         char *uuid = cmd, *pin, *pos;
1204         u8 addr_buf[ETH_ALEN], *addr = NULL;
1205         pin = os_strchr(uuid, ' ');
1206         if (pin == NULL)
1207                 return -1;
1208         *pin++ = '\0';
1209         pos = os_strchr(pin, ' ');
1210         if (pos) {
1211                 *pos++ = '\0';
1212                 if (hwaddr_aton(pos, addr_buf) == 0)
1213                         addr = addr_buf;
1214         }
1215         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1216 }
1217
1218
1219 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1220                                                   char *cmd)
1221 {
1222         char *uuid = cmd, *pin;
1223         pin = os_strchr(uuid, ' ');
1224         if (pin == NULL)
1225                 return -1;
1226         *pin++ = '\0';
1227         return wpas_wps_er_learn(wpa_s, uuid, pin);
1228 }
1229
1230
1231 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1232         struct wpa_supplicant *wpa_s, char *cmd)
1233 {
1234         char *uuid = cmd, *id;
1235         id = os_strchr(uuid, ' ');
1236         if (id == NULL)
1237                 return -1;
1238         *id++ = '\0';
1239         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1240 }
1241
1242
1243 static int wpa_supplicant_ctrl_iface_wps_er_config(
1244         struct wpa_supplicant *wpa_s, char *cmd)
1245 {
1246         char *pin;
1247         char *new_ssid;
1248         char *new_auth;
1249         char *new_encr;
1250         char *new_key;
1251         struct wps_new_ap_settings ap;
1252
1253         pin = os_strchr(cmd, ' ');
1254         if (pin == NULL)
1255                 return -1;
1256         *pin++ = '\0';
1257
1258         new_ssid = os_strchr(pin, ' ');
1259         if (new_ssid == NULL)
1260                 return -1;
1261         *new_ssid++ = '\0';
1262
1263         new_auth = os_strchr(new_ssid, ' ');
1264         if (new_auth == NULL)
1265                 return -1;
1266         *new_auth++ = '\0';
1267
1268         new_encr = os_strchr(new_auth, ' ');
1269         if (new_encr == NULL)
1270                 return -1;
1271         *new_encr++ = '\0';
1272
1273         new_key = os_strchr(new_encr, ' ');
1274         if (new_key == NULL)
1275                 return -1;
1276         *new_key++ = '\0';
1277
1278         os_memset(&ap, 0, sizeof(ap));
1279         ap.ssid_hex = new_ssid;
1280         ap.auth = new_auth;
1281         ap.encr = new_encr;
1282         ap.key_hex = new_key;
1283         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1284 }
1285
1286
1287 #ifdef CONFIG_WPS_NFC
1288 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1289         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1290 {
1291         int ndef;
1292         struct wpabuf *buf;
1293         int res;
1294         char *uuid;
1295
1296         uuid = os_strchr(cmd, ' ');
1297         if (uuid == NULL)
1298                 return -1;
1299         *uuid++ = '\0';
1300
1301         if (os_strcmp(cmd, "WPS") == 0)
1302                 ndef = 0;
1303         else if (os_strcmp(cmd, "NDEF") == 0)
1304                 ndef = 1;
1305         else
1306                 return -1;
1307
1308         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1309         if (buf == NULL)
1310                 return -1;
1311
1312         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1313                                          wpabuf_len(buf));
1314         reply[res++] = '\n';
1315         reply[res] = '\0';
1316
1317         wpabuf_free(buf);
1318
1319         return res;
1320 }
1321 #endif /* CONFIG_WPS_NFC */
1322 #endif /* CONFIG_WPS_ER */
1323
1324 #endif /* CONFIG_WPS */
1325
1326
1327 #ifdef CONFIG_IBSS_RSN
1328 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1329         struct wpa_supplicant *wpa_s, char *addr)
1330 {
1331         u8 peer[ETH_ALEN];
1332
1333         if (hwaddr_aton(addr, peer)) {
1334                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1335                            "address '%s'", addr);
1336                 return -1;
1337         }
1338
1339         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1340                    MAC2STR(peer));
1341
1342         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1343 }
1344 #endif /* CONFIG_IBSS_RSN */
1345
1346
1347 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1348                                               char *rsp)
1349 {
1350 #ifdef IEEE8021X_EAPOL
1351         char *pos, *id_pos;
1352         int id;
1353         struct wpa_ssid *ssid;
1354
1355         pos = os_strchr(rsp, '-');
1356         if (pos == NULL)
1357                 return -1;
1358         *pos++ = '\0';
1359         id_pos = pos;
1360         pos = os_strchr(pos, ':');
1361         if (pos == NULL)
1362                 return -1;
1363         *pos++ = '\0';
1364         id = atoi(id_pos);
1365         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1366         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1367                               (u8 *) pos, os_strlen(pos));
1368
1369         ssid = wpa_config_get_network(wpa_s->conf, id);
1370         if (ssid == NULL) {
1371                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1372                            "to update", id);
1373                 return -1;
1374         }
1375
1376         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1377                                                          pos);
1378 #else /* IEEE8021X_EAPOL */
1379         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1380         return -1;
1381 #endif /* IEEE8021X_EAPOL */
1382 }
1383
1384
1385 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1386                                             const char *params,
1387                                             char *buf, size_t buflen)
1388 {
1389         char *pos, *end, tmp[30];
1390         int res, verbose, wps, ret;
1391
1392         verbose = os_strcmp(params, "-VERBOSE") == 0;
1393         wps = os_strcmp(params, "-WPS") == 0;
1394         pos = buf;
1395         end = buf + buflen;
1396         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1397                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1398                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1399                                   MAC2STR(wpa_s->bssid));
1400                 if (ret < 0 || ret >= end - pos)
1401                         return pos - buf;
1402                 pos += ret;
1403                 if (ssid) {
1404                         u8 *_ssid = ssid->ssid;
1405                         size_t ssid_len = ssid->ssid_len;
1406                         u8 ssid_buf[MAX_SSID_LEN];
1407                         if (ssid_len == 0) {
1408                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1409                                 if (_res < 0)
1410                                         ssid_len = 0;
1411                                 else
1412                                         ssid_len = _res;
1413                                 _ssid = ssid_buf;
1414                         }
1415                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1416                                           wpa_ssid_txt(_ssid, ssid_len),
1417                                           ssid->id);
1418                         if (ret < 0 || ret >= end - pos)
1419                                 return pos - buf;
1420                         pos += ret;
1421
1422                         if (wps && ssid->passphrase &&
1423                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1424                             (ssid->mode == WPAS_MODE_AP ||
1425                              ssid->mode == WPAS_MODE_P2P_GO)) {
1426                                 ret = os_snprintf(pos, end - pos,
1427                                                   "passphrase=%s\n",
1428                                                   ssid->passphrase);
1429                                 if (ret < 0 || ret >= end - pos)
1430                                         return pos - buf;
1431                                 pos += ret;
1432                         }
1433                         if (ssid->id_str) {
1434                                 ret = os_snprintf(pos, end - pos,
1435                                                   "id_str=%s\n",
1436                                                   ssid->id_str);
1437                                 if (ret < 0 || ret >= end - pos)
1438                                         return pos - buf;
1439                                 pos += ret;
1440                         }
1441
1442                         switch (ssid->mode) {
1443                         case WPAS_MODE_INFRA:
1444                                 ret = os_snprintf(pos, end - pos,
1445                                                   "mode=station\n");
1446                                 break;
1447                         case WPAS_MODE_IBSS:
1448                                 ret = os_snprintf(pos, end - pos,
1449                                                   "mode=IBSS\n");
1450                                 break;
1451                         case WPAS_MODE_AP:
1452                                 ret = os_snprintf(pos, end - pos,
1453                                                   "mode=AP\n");
1454                                 break;
1455                         case WPAS_MODE_P2P_GO:
1456                                 ret = os_snprintf(pos, end - pos,
1457                                                   "mode=P2P GO\n");
1458                                 break;
1459                         case WPAS_MODE_P2P_GROUP_FORMATION:
1460                                 ret = os_snprintf(pos, end - pos,
1461                                                   "mode=P2P GO - group "
1462                                                   "formation\n");
1463                                 break;
1464                         default:
1465                                 ret = 0;
1466                                 break;
1467                         }
1468                         if (ret < 0 || ret >= end - pos)
1469                                 return pos - buf;
1470                         pos += ret;
1471                 }
1472
1473 #ifdef CONFIG_AP
1474                 if (wpa_s->ap_iface) {
1475                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1476                                                             end - pos,
1477                                                             verbose);
1478                 } else
1479 #endif /* CONFIG_AP */
1480                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1481         }
1482 #ifdef CONFIG_SAE
1483         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1484             wpa_s->sme.sae.state == SAE_ACCEPTED && !wpa_s->ap_iface) {
1485                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1486                                   wpa_s->sme.sae.group);
1487                 if (ret < 0 || ret >= end - pos)
1488                         return pos - buf;
1489                 pos += ret;
1490         }
1491 #endif /* CONFIG_SAE */
1492         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1493                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1494         if (ret < 0 || ret >= end - pos)
1495                 return pos - buf;
1496         pos += ret;
1497
1498         if (wpa_s->l2 &&
1499             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1500                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1501                 if (ret < 0 || ret >= end - pos)
1502                         return pos - buf;
1503                 pos += ret;
1504         }
1505
1506 #ifdef CONFIG_P2P
1507         if (wpa_s->global->p2p) {
1508                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1509                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1510                 if (ret < 0 || ret >= end - pos)
1511                         return pos - buf;
1512                 pos += ret;
1513         }
1514 #endif /* CONFIG_P2P */
1515
1516         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1517                           MAC2STR(wpa_s->own_addr));
1518         if (ret < 0 || ret >= end - pos)
1519                 return pos - buf;
1520         pos += ret;
1521
1522 #ifdef CONFIG_HS20
1523         if (wpa_s->current_bss &&
1524             wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE) &&
1525             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1526             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1527                 ret = os_snprintf(pos, end - pos, "hs20=1\n");
1528                 if (ret < 0 || ret >= end - pos)
1529                         return pos - buf;
1530                 pos += ret;
1531         }
1532
1533         if (wpa_s->current_ssid) {
1534                 struct wpa_cred *cred;
1535                 char *type;
1536
1537                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1538                         if (wpa_s->current_ssid->parent_cred != cred)
1539                                 continue;
1540                         if (!cred->domain)
1541                                 continue;
1542
1543                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1544                                           cred->domain);
1545                         if (ret < 0 || ret >= end - pos)
1546                                 return pos - buf;
1547                         pos += ret;
1548
1549                         if (wpa_s->current_bss == NULL ||
1550                             wpa_s->current_bss->anqp == NULL)
1551                                 res = -1;
1552                         else
1553                                 res = interworking_home_sp_cred(
1554                                         wpa_s, cred,
1555                                         wpa_s->current_bss->anqp->domain_name);
1556                         if (res > 0)
1557                                 type = "home";
1558                         else if (res == 0)
1559                                 type = "roaming";
1560                         else
1561                                 type = "unknown";
1562
1563                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1564                         if (ret < 0 || ret >= end - pos)
1565                                 return pos - buf;
1566                         pos += ret;
1567
1568                         break;
1569                 }
1570         }
1571 #endif /* CONFIG_HS20 */
1572
1573         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1574             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1575                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1576                                           verbose);
1577                 if (res >= 0)
1578                         pos += res;
1579         }
1580
1581         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1582         if (res >= 0)
1583                 pos += res;
1584
1585 #ifdef ANDROID
1586         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
1587                      "id=%d state=%d BSSID=" MACSTR " SSID=%s",
1588                      wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
1589                      wpa_s->wpa_state,
1590                      MAC2STR(wpa_s->bssid),
1591                      wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
1592                      wpa_ssid_txt(wpa_s->current_ssid->ssid,
1593                      wpa_s->current_ssid->ssid_len) : "");
1594         if (wpa_s->wpa_state == WPA_COMPLETED) {
1595                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1596                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED "- connection to "
1597                         MACSTR " completed %s [id=%d id_str=%s]",
1598                         MAC2STR(wpa_s->bssid), "(auth)",
1599                         ssid ? ssid->id : -1,
1600                         ssid && ssid->id_str ? ssid->id_str : "");
1601         }
1602 #endif /* ANDROID */
1603
1604         return pos - buf;
1605 }
1606
1607
1608 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1609                                            char *cmd)
1610 {
1611         char *pos;
1612         int id;
1613         struct wpa_ssid *ssid;
1614         u8 bssid[ETH_ALEN];
1615
1616         /* cmd: "<network id> <BSSID>" */
1617         pos = os_strchr(cmd, ' ');
1618         if (pos == NULL)
1619                 return -1;
1620         *pos++ = '\0';
1621         id = atoi(cmd);
1622         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1623         if (hwaddr_aton(pos, bssid)) {
1624                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1625                 return -1;
1626         }
1627
1628         ssid = wpa_config_get_network(wpa_s->conf, id);
1629         if (ssid == NULL) {
1630                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1631                            "to update", id);
1632                 return -1;
1633         }
1634
1635         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1636         ssid->bssid_set = !is_zero_ether_addr(bssid);
1637
1638         return 0;
1639 }
1640
1641
1642 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1643                                                char *cmd, char *buf,
1644                                                size_t buflen)
1645 {
1646         u8 bssid[ETH_ALEN];
1647         struct wpa_blacklist *e;
1648         char *pos, *end;
1649         int ret;
1650
1651         /* cmd: "BLACKLIST [<BSSID>]" */
1652         if (*cmd == '\0') {
1653                 pos = buf;
1654                 end = buf + buflen;
1655                 e = wpa_s->blacklist;
1656                 while (e) {
1657                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1658                                           MAC2STR(e->bssid));
1659                         if (ret < 0 || ret >= end - pos)
1660                                 return pos - buf;
1661                         pos += ret;
1662                         e = e->next;
1663                 }
1664                 return pos - buf;
1665         }
1666
1667         cmd++;
1668         if (os_strncmp(cmd, "clear", 5) == 0) {
1669                 wpa_blacklist_clear(wpa_s);
1670                 os_memcpy(buf, "OK\n", 3);
1671                 return 3;
1672         }
1673
1674         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1675         if (hwaddr_aton(cmd, bssid)) {
1676                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1677                 return -1;
1678         }
1679
1680         /*
1681          * Add the BSSID twice, so its count will be 2, causing it to be
1682          * skipped when processing scan results.
1683          */
1684         ret = wpa_blacklist_add(wpa_s, bssid);
1685         if (ret != 0)
1686                 return -1;
1687         ret = wpa_blacklist_add(wpa_s, bssid);
1688         if (ret != 0)
1689                 return -1;
1690         os_memcpy(buf, "OK\n", 3);
1691         return 3;
1692 }
1693
1694
1695 extern int wpa_debug_level;
1696 extern int wpa_debug_timestamp;
1697
1698 static const char * debug_level_str(int level)
1699 {
1700         switch (level) {
1701         case MSG_EXCESSIVE:
1702                 return "EXCESSIVE";
1703         case MSG_MSGDUMP:
1704                 return "MSGDUMP";
1705         case MSG_DEBUG:
1706                 return "DEBUG";
1707         case MSG_INFO:
1708                 return "INFO";
1709         case MSG_WARNING:
1710                 return "WARNING";
1711         case MSG_ERROR:
1712                 return "ERROR";
1713         default:
1714                 return "?";
1715         }
1716 }
1717
1718
1719 static int str_to_debug_level(const char *s)
1720 {
1721         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1722                 return MSG_EXCESSIVE;
1723         if (os_strcasecmp(s, "MSGDUMP") == 0)
1724                 return MSG_MSGDUMP;
1725         if (os_strcasecmp(s, "DEBUG") == 0)
1726                 return MSG_DEBUG;
1727         if (os_strcasecmp(s, "INFO") == 0)
1728                 return MSG_INFO;
1729         if (os_strcasecmp(s, "WARNING") == 0)
1730                 return MSG_WARNING;
1731         if (os_strcasecmp(s, "ERROR") == 0)
1732                 return MSG_ERROR;
1733         return -1;
1734 }
1735
1736
1737 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1738                                                char *cmd, char *buf,
1739                                                size_t buflen)
1740 {
1741         char *pos, *end, *stamp;
1742         int ret;
1743
1744         if (cmd == NULL) {
1745                 return -1;
1746         }
1747
1748         /* cmd: "LOG_LEVEL [<level>]" */
1749         if (*cmd == '\0') {
1750                 pos = buf;
1751                 end = buf + buflen;
1752                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1753                                   "Timestamp: %d\n",
1754                                   debug_level_str(wpa_debug_level),
1755                                   wpa_debug_timestamp);
1756                 if (ret < 0 || ret >= end - pos)
1757                         ret = 0;
1758
1759                 return ret;
1760         }
1761
1762         while (*cmd == ' ')
1763                 cmd++;
1764
1765         stamp = os_strchr(cmd, ' ');
1766         if (stamp) {
1767                 *stamp++ = '\0';
1768                 while (*stamp == ' ') {
1769                         stamp++;
1770                 }
1771         }
1772
1773         if (cmd && os_strlen(cmd)) {
1774                 int level = str_to_debug_level(cmd);
1775                 if (level < 0)
1776                         return -1;
1777                 wpa_debug_level = level;
1778         }
1779
1780         if (stamp && os_strlen(stamp))
1781                 wpa_debug_timestamp = atoi(stamp);
1782
1783         os_memcpy(buf, "OK\n", 3);
1784         return 3;
1785 }
1786
1787
1788 static int wpa_supplicant_ctrl_iface_list_networks(
1789         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1790 {
1791         char *pos, *end;
1792         struct wpa_ssid *ssid;
1793         int ret;
1794
1795         pos = buf;
1796         end = buf + buflen;
1797         ret = os_snprintf(pos, end - pos,
1798                           "network id / ssid / bssid / flags\n");
1799         if (ret < 0 || ret >= end - pos)
1800                 return pos - buf;
1801         pos += ret;
1802
1803         ssid = wpa_s->conf->ssid;
1804         while (ssid) {
1805                 ret = os_snprintf(pos, end - pos, "%d\t%s",
1806                                   ssid->id,
1807                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1808                 if (ret < 0 || ret >= end - pos)
1809                         return pos - buf;
1810                 pos += ret;
1811                 if (ssid->bssid_set) {
1812                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1813                                           MAC2STR(ssid->bssid));
1814                 } else {
1815                         ret = os_snprintf(pos, end - pos, "\tany");
1816                 }
1817                 if (ret < 0 || ret >= end - pos)
1818                         return pos - buf;
1819                 pos += ret;
1820                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
1821                                   ssid == wpa_s->current_ssid ?
1822                                   "[CURRENT]" : "",
1823                                   ssid->disabled ? "[DISABLED]" : "",
1824                                   ssid->disabled_until.sec ?
1825                                   "[TEMP-DISABLED]" : "",
1826                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1827                                   "");
1828                 if (ret < 0 || ret >= end - pos)
1829                         return pos - buf;
1830                 pos += ret;
1831                 ret = os_snprintf(pos, end - pos, "\n");
1832                 if (ret < 0 || ret >= end - pos)
1833                         return pos - buf;
1834                 pos += ret;
1835
1836                 ssid = ssid->next;
1837         }
1838
1839         return pos - buf;
1840 }
1841
1842
1843 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1844 {
1845         int ret;
1846         ret = os_snprintf(pos, end - pos, "-");
1847         if (ret < 0 || ret >= end - pos)
1848                 return pos;
1849         pos += ret;
1850         ret = wpa_write_ciphers(pos, end, cipher, "+");
1851         if (ret < 0)
1852                 return pos;
1853         pos += ret;
1854         return pos;
1855 }
1856
1857
1858 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1859                                     const u8 *ie, size_t ie_len)
1860 {
1861         struct wpa_ie_data data;
1862         int first, ret;
1863
1864         ret = os_snprintf(pos, end - pos, "[%s-", proto);
1865         if (ret < 0 || ret >= end - pos)
1866                 return pos;
1867         pos += ret;
1868
1869         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1870                 ret = os_snprintf(pos, end - pos, "?]");
1871                 if (ret < 0 || ret >= end - pos)
1872                         return pos;
1873                 pos += ret;
1874                 return pos;
1875         }
1876
1877         first = 1;
1878         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1879                 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1880                 if (ret < 0 || ret >= end - pos)
1881                         return pos;
1882                 pos += ret;
1883                 first = 0;
1884         }
1885         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1886                 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1887                 if (ret < 0 || ret >= end - pos)
1888                         return pos;
1889                 pos += ret;
1890                 first = 0;
1891         }
1892         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1893                 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1894                 if (ret < 0 || ret >= end - pos)
1895                         return pos;
1896                 pos += ret;
1897                 first = 0;
1898         }
1899 #ifdef CONFIG_IEEE80211R
1900         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1901                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1902                                   first ? "" : "+");
1903                 if (ret < 0 || ret >= end - pos)
1904                         return pos;
1905                 pos += ret;
1906                 first = 0;
1907         }
1908         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1909                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1910                                   first ? "" : "+");
1911                 if (ret < 0 || ret >= end - pos)
1912                         return pos;
1913                 pos += ret;
1914                 first = 0;
1915         }
1916 #endif /* CONFIG_IEEE80211R */
1917 #ifdef CONFIG_IEEE80211W
1918         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1919                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1920                                   first ? "" : "+");
1921                 if (ret < 0 || ret >= end - pos)
1922                         return pos;
1923                 pos += ret;
1924                 first = 0;
1925         }
1926         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1927                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1928                                   first ? "" : "+");
1929                 if (ret < 0 || ret >= end - pos)
1930                         return pos;
1931                 pos += ret;
1932                 first = 0;
1933         }
1934 #endif /* CONFIG_IEEE80211W */
1935
1936         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1937
1938         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1939                 ret = os_snprintf(pos, end - pos, "-preauth");
1940                 if (ret < 0 || ret >= end - pos)
1941                         return pos;
1942                 pos += ret;
1943         }
1944
1945         ret = os_snprintf(pos, end - pos, "]");
1946         if (ret < 0 || ret >= end - pos)
1947                 return pos;
1948         pos += ret;
1949
1950         return pos;
1951 }
1952
1953
1954 #ifdef CONFIG_WPS
1955 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
1956                                             char *pos, char *end,
1957                                             struct wpabuf *wps_ie)
1958 {
1959         int ret;
1960         const char *txt;
1961
1962         if (wps_ie == NULL)
1963                 return pos;
1964         if (wps_is_selected_pbc_registrar(wps_ie))
1965                 txt = "[WPS-PBC]";
1966 #ifdef CONFIG_WPS2
1967         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
1968                 txt = "[WPS-AUTH]";
1969 #endif /* CONFIG_WPS2 */
1970         else if (wps_is_selected_pin_registrar(wps_ie))
1971                 txt = "[WPS-PIN]";
1972         else
1973                 txt = "[WPS]";
1974
1975         ret = os_snprintf(pos, end - pos, "%s", txt);
1976         if (ret >= 0 && ret < end - pos)
1977                 pos += ret;
1978         wpabuf_free(wps_ie);
1979         return pos;
1980 }
1981 #endif /* CONFIG_WPS */
1982
1983
1984 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
1985                                         char *pos, char *end,
1986                                         const struct wpa_bss *bss)
1987 {
1988 #ifdef CONFIG_WPS
1989         struct wpabuf *wps_ie;
1990         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1991         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
1992 #else /* CONFIG_WPS */
1993         return pos;
1994 #endif /* CONFIG_WPS */
1995 }
1996
1997
1998 /* Format one result on one text line into a buffer. */
1999 static int wpa_supplicant_ctrl_iface_scan_result(
2000         struct wpa_supplicant *wpa_s,
2001         const struct wpa_bss *bss, char *buf, size_t buflen)
2002 {
2003         char *pos, *end;
2004         int ret;
2005         const u8 *ie, *ie2, *p2p;
2006
2007         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2008         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2009             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2010             0)
2011                 return 0; /* Do not show P2P listen discovery results here */
2012
2013         pos = buf;
2014         end = buf + buflen;
2015
2016         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2017                           MAC2STR(bss->bssid), bss->freq, bss->level);
2018         if (ret < 0 || ret >= end - pos)
2019                 return -1;
2020         pos += ret;
2021         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2022         if (ie)
2023                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2024         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2025         if (ie2)
2026                 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
2027         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2028         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2029                 ret = os_snprintf(pos, end - pos, "[WEP]");
2030                 if (ret < 0 || ret >= end - pos)
2031                         return -1;
2032                 pos += ret;
2033         }
2034         if (bss->caps & IEEE80211_CAP_IBSS) {
2035                 ret = os_snprintf(pos, end - pos, "[IBSS]");
2036                 if (ret < 0 || ret >= end - pos)
2037                         return -1;
2038                 pos += ret;
2039         }
2040         if (bss->caps & IEEE80211_CAP_ESS) {
2041                 ret = os_snprintf(pos, end - pos, "[ESS]");
2042                 if (ret < 0 || ret >= end - pos)
2043                         return -1;
2044                 pos += ret;
2045         }
2046         if (p2p) {
2047                 ret = os_snprintf(pos, end - pos, "[P2P]");
2048                 if (ret < 0 || ret >= end - pos)
2049                         return -1;
2050                 pos += ret;
2051         }
2052 #ifdef CONFIG_HS20
2053         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2054                 ret = os_snprintf(pos, end - pos, "[HS20]");
2055                 if (ret < 0 || ret >= end - pos)
2056                         return -1;
2057                 pos += ret;
2058         }
2059 #endif /* CONFIG_HS20 */
2060
2061         ret = os_snprintf(pos, end - pos, "\t%s",
2062                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2063         if (ret < 0 || ret >= end - pos)
2064                 return -1;
2065         pos += ret;
2066
2067         ret = os_snprintf(pos, end - pos, "\n");
2068         if (ret < 0 || ret >= end - pos)
2069                 return -1;
2070         pos += ret;
2071
2072         return pos - buf;
2073 }
2074
2075
2076 static int wpa_supplicant_ctrl_iface_scan_results(
2077         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2078 {
2079         char *pos, *end;
2080         struct wpa_bss *bss;
2081         int ret;
2082
2083         pos = buf;
2084         end = buf + buflen;
2085         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2086                           "flags / ssid\n");
2087         if (ret < 0 || ret >= end - pos)
2088                 return pos - buf;
2089         pos += ret;
2090
2091         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2092                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2093                                                             end - pos);
2094                 if (ret < 0 || ret >= end - pos)
2095                         return pos - buf;
2096                 pos += ret;
2097         }
2098
2099         return pos - buf;
2100 }
2101
2102
2103 static int wpa_supplicant_ctrl_iface_select_network(
2104         struct wpa_supplicant *wpa_s, char *cmd)
2105 {
2106         int id;
2107         struct wpa_ssid *ssid;
2108
2109         /* cmd: "<network id>" or "any" */
2110         if (os_strcmp(cmd, "any") == 0) {
2111                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2112                 ssid = NULL;
2113         } else {
2114                 id = atoi(cmd);
2115                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2116
2117                 ssid = wpa_config_get_network(wpa_s->conf, id);
2118                 if (ssid == NULL) {
2119                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2120                                    "network id=%d", id);
2121                         return -1;
2122                 }
2123                 if (ssid->disabled == 2) {
2124                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2125                                    "SELECT_NETWORK with persistent P2P group");
2126                         return -1;
2127                 }
2128         }
2129
2130         wpa_supplicant_select_network(wpa_s, ssid);
2131
2132         return 0;
2133 }
2134
2135
2136 static int wpa_supplicant_ctrl_iface_enable_network(
2137         struct wpa_supplicant *wpa_s, char *cmd)
2138 {
2139         int id;
2140         struct wpa_ssid *ssid;
2141
2142         /* cmd: "<network id>" or "all" */
2143         if (os_strcmp(cmd, "all") == 0) {
2144                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2145                 ssid = NULL;
2146         } else {
2147                 id = atoi(cmd);
2148                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2149
2150                 ssid = wpa_config_get_network(wpa_s->conf, id);
2151                 if (ssid == NULL) {
2152                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2153                                    "network id=%d", id);
2154                         return -1;
2155                 }
2156                 if (ssid->disabled == 2) {
2157                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2158                                    "ENABLE_NETWORK with persistent P2P group");
2159                         return -1;
2160                 }
2161
2162                 if (os_strstr(cmd, " no-connect")) {
2163                         ssid->disabled = 0;
2164                         return 0;
2165                 }
2166         }
2167         wpa_supplicant_enable_network(wpa_s, ssid);
2168
2169         return 0;
2170 }
2171
2172
2173 static int wpa_supplicant_ctrl_iface_disable_network(
2174         struct wpa_supplicant *wpa_s, char *cmd)
2175 {
2176         int id;
2177         struct wpa_ssid *ssid;
2178
2179         /* cmd: "<network id>" or "all" */
2180         if (os_strcmp(cmd, "all") == 0) {
2181                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2182                 ssid = NULL;
2183         } else {
2184                 id = atoi(cmd);
2185                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2186
2187                 ssid = wpa_config_get_network(wpa_s->conf, id);
2188                 if (ssid == NULL) {
2189                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2190                                    "network id=%d", id);
2191                         return -1;
2192                 }
2193                 if (ssid->disabled == 2) {
2194                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2195                                    "DISABLE_NETWORK with persistent P2P "
2196                                    "group");
2197                         return -1;
2198                 }
2199         }
2200         wpa_supplicant_disable_network(wpa_s, ssid);
2201
2202         return 0;
2203 }
2204
2205
2206 static int wpa_supplicant_ctrl_iface_add_network(
2207         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2208 {
2209         struct wpa_ssid *ssid;
2210         int ret;
2211
2212         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2213
2214         ssid = wpa_config_add_network(wpa_s->conf);
2215         if (ssid == NULL)
2216                 return -1;
2217
2218         wpas_notify_network_added(wpa_s, ssid);
2219
2220         ssid->disabled = 1;
2221         wpa_config_set_network_defaults(ssid);
2222
2223         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2224         if (ret < 0 || (size_t) ret >= buflen)
2225                 return -1;
2226         return ret;
2227 }
2228
2229
2230 static int wpa_supplicant_ctrl_iface_remove_network(
2231         struct wpa_supplicant *wpa_s, char *cmd)
2232 {
2233         int id;
2234         struct wpa_ssid *ssid;
2235
2236         /* cmd: "<network id>" or "all" */
2237         if (os_strcmp(cmd, "all") == 0) {
2238                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2239                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2240                 if (wpa_s->current_ssid) {
2241 #ifdef CONFIG_SME
2242                         wpa_s->sme.prev_bssid_set = 0;
2243 #endif /* CONFIG_SME */
2244                         wpa_sm_set_config(wpa_s->wpa, NULL);
2245                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2246                         wpa_supplicant_deauthenticate(
2247                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2248                 }
2249                 ssid = wpa_s->conf->ssid;
2250                 while (ssid) {
2251                         struct wpa_ssid *remove_ssid = ssid;
2252                         id = ssid->id;
2253                         ssid = ssid->next;
2254                         wpas_notify_network_removed(wpa_s, remove_ssid);
2255                         wpa_config_remove_network(wpa_s->conf, id);
2256                 }
2257                 return 0;
2258         }
2259
2260         id = atoi(cmd);
2261         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2262
2263         ssid = wpa_config_get_network(wpa_s->conf, id);
2264         if (ssid)
2265                 wpas_notify_network_removed(wpa_s, ssid);
2266         if (ssid == NULL) {
2267                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2268                            "id=%d", id);
2269                 return -1;
2270         }
2271
2272         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2273 #ifdef CONFIG_SME
2274                 wpa_s->sme.prev_bssid_set = 0;
2275 #endif /* CONFIG_SME */
2276                 /*
2277                  * Invalidate the EAP session cache if the current or
2278                  * previously used network is removed.
2279                  */
2280                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2281         }
2282
2283         if (ssid == wpa_s->current_ssid) {
2284                 wpa_sm_set_config(wpa_s->wpa, NULL);
2285                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2286
2287                 wpa_supplicant_deauthenticate(wpa_s,
2288                                               WLAN_REASON_DEAUTH_LEAVING);
2289         }
2290
2291         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2292                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2293                            "network id=%d", id);
2294                 return -1;
2295         }
2296
2297         return 0;
2298 }
2299
2300
2301 static int wpa_supplicant_ctrl_iface_set_network(
2302         struct wpa_supplicant *wpa_s, char *cmd)
2303 {
2304         int id;
2305         struct wpa_ssid *ssid;
2306         char *name, *value;
2307
2308         /* cmd: "<network id> <variable name> <value>" */
2309         name = os_strchr(cmd, ' ');
2310         if (name == NULL)
2311                 return -1;
2312         *name++ = '\0';
2313
2314         value = os_strchr(name, ' ');
2315         if (value == NULL)
2316                 return -1;
2317         *value++ = '\0';
2318
2319         id = atoi(cmd);
2320         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2321                    id, name);
2322         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2323                               (u8 *) value, os_strlen(value));
2324
2325         ssid = wpa_config_get_network(wpa_s->conf, id);
2326         if (ssid == NULL) {
2327                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2328                            "id=%d", id);
2329                 return -1;
2330         }
2331
2332         if (wpa_config_set(ssid, name, value, 0) < 0) {
2333                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2334                            "variable '%s'", name);
2335                 return -1;
2336         }
2337
2338         if (os_strcmp(name, "bssid") != 0 &&
2339             os_strcmp(name, "priority") != 0)
2340                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2341
2342         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2343                 /*
2344                  * Invalidate the EAP session cache if anything in the current
2345                  * or previously used configuration changes.
2346                  */
2347                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2348         }
2349
2350         if ((os_strcmp(name, "psk") == 0 &&
2351              value[0] == '"' && ssid->ssid_len) ||
2352             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2353                 wpa_config_update_psk(ssid);
2354         else if (os_strcmp(name, "priority") == 0)
2355                 wpa_config_update_prio_list(wpa_s->conf);
2356
2357         return 0;
2358 }
2359
2360
2361 static int wpa_supplicant_ctrl_iface_get_network(
2362         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2363 {
2364         int id;
2365         size_t res;
2366         struct wpa_ssid *ssid;
2367         char *name, *value;
2368
2369         /* cmd: "<network id> <variable name>" */
2370         name = os_strchr(cmd, ' ');
2371         if (name == NULL || buflen == 0)
2372                 return -1;
2373         *name++ = '\0';
2374
2375         id = atoi(cmd);
2376         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2377                    id, name);
2378
2379         ssid = wpa_config_get_network(wpa_s->conf, id);
2380         if (ssid == NULL) {
2381                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2382                            "id=%d", id);
2383                 return -1;
2384         }
2385
2386         value = wpa_config_get_no_key(ssid, name);
2387         if (value == NULL) {
2388                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2389                            "variable '%s'", name);
2390                 return -1;
2391         }
2392
2393         res = os_strlcpy(buf, value, buflen);
2394         if (res >= buflen) {
2395                 os_free(value);
2396                 return -1;
2397         }
2398
2399         os_free(value);
2400
2401         return res;
2402 }
2403
2404
2405 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2406                                                 char *buf, size_t buflen)
2407 {
2408         char *pos, *end;
2409         struct wpa_cred *cred;
2410         int ret;
2411
2412         pos = buf;
2413         end = buf + buflen;
2414         ret = os_snprintf(pos, end - pos,
2415                           "cred id / realm / username / domain / imsi\n");
2416         if (ret < 0 || ret >= end - pos)
2417                 return pos - buf;
2418         pos += ret;
2419
2420         cred = wpa_s->conf->cred;
2421         while (cred) {
2422                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2423                                   cred->id, cred->realm ? cred->realm : "",
2424                                   cred->username ? cred->username : "",
2425                                   cred->domain ? cred->domain : "",
2426                                   cred->imsi ? cred->imsi : "");
2427                 if (ret < 0 || ret >= end - pos)
2428                         return pos - buf;
2429                 pos += ret;
2430
2431                 cred = cred->next;
2432         }
2433
2434         return pos - buf;
2435 }
2436
2437
2438 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2439                                               char *buf, size_t buflen)
2440 {
2441         struct wpa_cred *cred;
2442         int ret;
2443
2444         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2445
2446         cred = wpa_config_add_cred(wpa_s->conf);
2447         if (cred == NULL)
2448                 return -1;
2449
2450         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2451         if (ret < 0 || (size_t) ret >= buflen)
2452                 return -1;
2453         return ret;
2454 }
2455
2456
2457 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2458                                  struct wpa_cred *cred)
2459 {
2460         struct wpa_ssid *ssid;
2461         char str[20];
2462
2463         if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2464                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2465                 return -1;
2466         }
2467
2468         /* Remove any network entry created based on the removed credential */
2469         ssid = wpa_s->conf->ssid;
2470         while (ssid) {
2471                 if (ssid->parent_cred == cred) {
2472                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2473                                    "used the removed credential", ssid->id);
2474                         os_snprintf(str, sizeof(str), "%d", ssid->id);
2475                         ssid = ssid->next;
2476                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2477                 } else
2478                         ssid = ssid->next;
2479         }
2480
2481         return 0;
2482 }
2483
2484
2485 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2486                                                  char *cmd)
2487 {
2488         int id;
2489         struct wpa_cred *cred, *prev;
2490
2491         /* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2492         if (os_strcmp(cmd, "all") == 0) {
2493                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2494                 cred = wpa_s->conf->cred;
2495                 while (cred) {
2496                         prev = cred;
2497                         cred = cred->next;
2498                         wpas_ctrl_remove_cred(wpa_s, prev);
2499                 }
2500                 return 0;
2501         }
2502
2503         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2504                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2505                            cmd + 8);
2506                 cred = wpa_s->conf->cred;
2507                 while (cred) {
2508                         prev = cred;
2509                         cred = cred->next;
2510                         if (prev->domain &&
2511                             os_strcmp(prev->domain, cmd + 8) == 0)
2512                                 wpas_ctrl_remove_cred(wpa_s, prev);
2513                 }
2514                 return 0;
2515         }
2516
2517         id = atoi(cmd);
2518         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2519
2520         cred = wpa_config_get_cred(wpa_s->conf, id);
2521         return wpas_ctrl_remove_cred(wpa_s, cred);
2522 }
2523
2524
2525 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2526                                               char *cmd)
2527 {
2528         int id;
2529         struct wpa_cred *cred;
2530         char *name, *value;
2531
2532         /* cmd: "<cred id> <variable name> <value>" */
2533         name = os_strchr(cmd, ' ');
2534         if (name == NULL)
2535                 return -1;
2536         *name++ = '\0';
2537
2538         value = os_strchr(name, ' ');
2539         if (value == NULL)
2540                 return -1;
2541         *value++ = '\0';
2542
2543         id = atoi(cmd);
2544         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2545                    id, name);
2546         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2547                               (u8 *) value, os_strlen(value));
2548
2549         cred = wpa_config_get_cred(wpa_s->conf, id);
2550         if (cred == NULL) {
2551                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2552                            id);
2553                 return -1;
2554         }
2555
2556         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2557                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2558                            "variable '%s'", name);
2559                 return -1;
2560         }
2561
2562         return 0;
2563 }
2564
2565
2566 #ifndef CONFIG_NO_CONFIG_WRITE
2567 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2568 {
2569         int ret;
2570
2571         if (!wpa_s->conf->update_config) {
2572                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2573                            "to update configuration (update_config=0)");
2574                 return -1;
2575         }
2576
2577         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2578         if (ret) {
2579                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2580                            "update configuration");
2581         } else {
2582                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2583                            " updated");
2584         }
2585
2586         return ret;
2587 }
2588 #endif /* CONFIG_NO_CONFIG_WRITE */
2589
2590
2591 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2592                                               struct wpa_driver_capa *capa,
2593                                               char *buf, size_t buflen)
2594 {
2595         int ret, first = 1;
2596         char *pos, *end;
2597         size_t len;
2598
2599         pos = buf;
2600         end = pos + buflen;
2601
2602         if (res < 0) {
2603                 if (strict)
2604                         return 0;
2605                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2606                 if (len >= buflen)
2607                         return -1;
2608                 return len;
2609         }
2610
2611         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2612                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2613                 if (ret < 0 || ret >= end - pos)
2614                         return pos - buf;
2615                 pos += ret;
2616                 first = 0;
2617         }
2618
2619         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2620                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2621                 if (ret < 0 || ret >= end - pos)
2622                         return pos - buf;
2623                 pos += ret;
2624                 first = 0;
2625         }
2626
2627         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2628                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2629                 if (ret < 0 || ret >= end - pos)
2630                         return pos - buf;
2631                 pos += ret;
2632                 first = 0;
2633         }
2634
2635         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2636                 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
2637                 if (ret < 0 || ret >= end - pos)
2638                         return pos - buf;
2639                 pos += ret;
2640                 first = 0;
2641         }
2642
2643         return pos - buf;
2644 }
2645
2646
2647 static int ctrl_iface_get_capability_group(int res, char *strict,
2648                                            struct wpa_driver_capa *capa,
2649                                            char *buf, size_t buflen)
2650 {
2651         int ret, first = 1;
2652         char *pos, *end;
2653         size_t len;
2654
2655         pos = buf;
2656         end = pos + buflen;
2657
2658         if (res < 0) {
2659                 if (strict)
2660                         return 0;
2661                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2662                 if (len >= buflen)
2663                         return -1;
2664                 return len;
2665         }
2666
2667         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2668                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2669                 if (ret < 0 || ret >= end - pos)
2670                         return pos - buf;
2671                 pos += ret;
2672                 first = 0;
2673         }
2674
2675         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2676                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2677                 if (ret < 0 || ret >= end - pos)
2678                         return pos - buf;
2679                 pos += ret;
2680                 first = 0;
2681         }
2682
2683         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2684                 ret = os_snprintf(pos, end - pos, "%sTKIP", 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_WEP104) {
2692                 ret = os_snprintf(pos, end - pos, "%sWEP104",
2693                                   first ? "" : " ");
2694                 if (ret < 0 || ret >= end - pos)
2695                         return pos - buf;
2696                 pos += ret;
2697                 first = 0;
2698         }
2699
2700         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2701                 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
2702                 if (ret < 0 || ret >= end - pos)
2703                         return pos - buf;
2704                 pos += ret;
2705                 first = 0;
2706         }
2707
2708         return pos - buf;
2709 }
2710
2711
2712 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2713                                               struct wpa_driver_capa *capa,
2714                                               char *buf, size_t buflen)
2715 {
2716         int ret;
2717         char *pos, *end;
2718         size_t len;
2719
2720         pos = buf;
2721         end = pos + buflen;
2722
2723         if (res < 0) {
2724                 if (strict)
2725                         return 0;
2726                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2727                                  "NONE", buflen);
2728                 if (len >= buflen)
2729                         return -1;
2730                 return len;
2731         }
2732
2733         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2734         if (ret < 0 || ret >= end - pos)
2735                 return pos - buf;
2736         pos += ret;
2737
2738         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2739                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2740                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2741                 if (ret < 0 || ret >= end - pos)
2742                         return pos - buf;
2743                 pos += ret;
2744         }
2745
2746         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2747                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2748                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2749                 if (ret < 0 || ret >= end - pos)
2750                         return pos - buf;
2751                 pos += ret;
2752         }
2753
2754         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2755                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2756                 if (ret < 0 || ret >= end - pos)
2757                         return pos - buf;
2758                 pos += ret;
2759         }
2760
2761         return pos - buf;
2762 }
2763
2764
2765 static int ctrl_iface_get_capability_proto(int res, char *strict,
2766                                            struct wpa_driver_capa *capa,
2767                                            char *buf, size_t buflen)
2768 {
2769         int ret, first = 1;
2770         char *pos, *end;
2771         size_t len;
2772
2773         pos = buf;
2774         end = pos + buflen;
2775
2776         if (res < 0) {
2777                 if (strict)
2778                         return 0;
2779                 len = os_strlcpy(buf, "RSN WPA", buflen);
2780                 if (len >= buflen)
2781                         return -1;
2782                 return len;
2783         }
2784
2785         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2786                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2787                 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2788                 if (ret < 0 || ret >= end - pos)
2789                         return pos - buf;
2790                 pos += ret;
2791                 first = 0;
2792         }
2793
2794         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2795                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2796                 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2797                 if (ret < 0 || ret >= end - pos)
2798                         return pos - buf;
2799                 pos += ret;
2800                 first = 0;
2801         }
2802
2803         return pos - buf;
2804 }
2805
2806
2807 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2808                                               struct wpa_driver_capa *capa,
2809                                               char *buf, size_t buflen)
2810 {
2811         int ret, first = 1;
2812         char *pos, *end;
2813         size_t len;
2814
2815         pos = buf;
2816         end = pos + buflen;
2817
2818         if (res < 0) {
2819                 if (strict)
2820                         return 0;
2821                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2822                 if (len >= buflen)
2823                         return -1;
2824                 return len;
2825         }
2826
2827         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2828                 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2829                 if (ret < 0 || ret >= end - pos)
2830                         return pos - buf;
2831                 pos += ret;
2832                 first = 0;
2833         }
2834
2835         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2836                 ret = os_snprintf(pos, end - pos, "%sSHARED",
2837                                   first ? "" : " ");
2838                 if (ret < 0 || ret >= end - pos)
2839                         return pos - buf;
2840                 pos += ret;
2841                 first = 0;
2842         }
2843
2844         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2845                 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2846                 if (ret < 0 || ret >= end - pos)
2847                         return pos - buf;
2848                 pos += ret;
2849                 first = 0;
2850         }
2851
2852         return pos - buf;
2853 }
2854
2855
2856 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
2857                                               char *buf, size_t buflen)
2858 {
2859         struct hostapd_channel_data *chnl;
2860         int ret, i, j;
2861         char *pos, *end, *hmode;
2862
2863         pos = buf;
2864         end = pos + buflen;
2865
2866         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2867                 switch (wpa_s->hw.modes[j].mode) {
2868                 case HOSTAPD_MODE_IEEE80211B:
2869                         hmode = "B";
2870                         break;
2871                 case HOSTAPD_MODE_IEEE80211G:
2872                         hmode = "G";
2873                         break;
2874                 case HOSTAPD_MODE_IEEE80211A:
2875                         hmode = "A";
2876                         break;
2877                 case HOSTAPD_MODE_IEEE80211AD:
2878                         hmode = "AD";
2879                         break;
2880                 default:
2881                         continue;
2882                 }
2883                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
2884                 if (ret < 0 || ret >= end - pos)
2885                         return pos - buf;
2886                 pos += ret;
2887                 chnl = wpa_s->hw.modes[j].channels;
2888                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2889                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2890                                 continue;
2891                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
2892                         if (ret < 0 || ret >= end - pos)
2893                                 return pos - buf;
2894                         pos += ret;
2895                 }
2896                 ret = os_snprintf(pos, end - pos, "\n");
2897                 if (ret < 0 || ret >= end - pos)
2898                         return pos - buf;
2899                 pos += ret;
2900         }
2901
2902         return pos - buf;
2903 }
2904
2905
2906 static int wpa_supplicant_ctrl_iface_get_capability(
2907         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
2908         size_t buflen)
2909 {
2910         struct wpa_driver_capa capa;
2911         int res;
2912         char *strict;
2913         char field[30];
2914         size_t len;
2915
2916         /* Determine whether or not strict checking was requested */
2917         len = os_strlcpy(field, _field, sizeof(field));
2918         if (len >= sizeof(field))
2919                 return -1;
2920         strict = os_strchr(field, ' ');
2921         if (strict != NULL) {
2922                 *strict++ = '\0';
2923                 if (os_strcmp(strict, "strict") != 0)
2924                         return -1;
2925         }
2926
2927         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
2928                 field, strict ? strict : "");
2929
2930         if (os_strcmp(field, "eap") == 0) {
2931                 return eap_get_names(buf, buflen);
2932         }
2933
2934         res = wpa_drv_get_capa(wpa_s, &capa);
2935
2936         if (os_strcmp(field, "pairwise") == 0)
2937                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
2938                                                           buf, buflen);
2939
2940         if (os_strcmp(field, "group") == 0)
2941                 return ctrl_iface_get_capability_group(res, strict, &capa,
2942                                                        buf, buflen);
2943
2944         if (os_strcmp(field, "key_mgmt") == 0)
2945                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
2946                                                           buf, buflen);
2947
2948         if (os_strcmp(field, "proto") == 0)
2949                 return ctrl_iface_get_capability_proto(res, strict, &capa,
2950                                                        buf, buflen);
2951
2952         if (os_strcmp(field, "auth_alg") == 0)
2953                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
2954                                                           buf, buflen);
2955
2956         if (os_strcmp(field, "channels") == 0)
2957                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
2958
2959         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
2960                    field);
2961
2962         return -1;
2963 }
2964
2965
2966 #ifdef CONFIG_INTERWORKING
2967 static char * anqp_add_hex(char *pos, char *end, const char *title,
2968                            struct wpabuf *data)
2969 {
2970         char *start = pos;
2971         size_t i;
2972         int ret;
2973         const u8 *d;
2974
2975         if (data == NULL)
2976                 return start;
2977
2978         ret = os_snprintf(pos, end - pos, "%s=", title);
2979         if (ret < 0 || ret >= end - pos)
2980                 return start;
2981         pos += ret;
2982
2983         d = wpabuf_head_u8(data);
2984         for (i = 0; i < wpabuf_len(data); i++) {
2985                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
2986                 if (ret < 0 || ret >= end - pos)
2987                         return start;
2988                 pos += ret;
2989         }
2990
2991         ret = os_snprintf(pos, end - pos, "\n");
2992         if (ret < 0 || ret >= end - pos)
2993                 return start;
2994         pos += ret;
2995
2996         return pos;
2997 }
2998 #endif /* CONFIG_INTERWORKING */
2999
3000
3001 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3002                           unsigned long mask, char *buf, size_t buflen)
3003 {
3004         size_t i;
3005         int ret;
3006         char *pos, *end;
3007         const u8 *ie, *ie2;
3008
3009         pos = buf;
3010         end = buf + buflen;
3011
3012         if (mask & WPA_BSS_MASK_ID) {
3013                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3014                 if (ret < 0 || ret >= end - pos)
3015                         return 0;
3016                 pos += ret;
3017         }
3018
3019         if (mask & WPA_BSS_MASK_BSSID) {
3020                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3021                                   MAC2STR(bss->bssid));
3022                 if (ret < 0 || ret >= end - pos)
3023                         return 0;
3024                 pos += ret;
3025         }
3026
3027         if (mask & WPA_BSS_MASK_FREQ) {
3028                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3029                 if (ret < 0 || ret >= end - pos)
3030                         return 0;
3031                 pos += ret;
3032         }
3033
3034         if (mask & WPA_BSS_MASK_BEACON_INT) {
3035                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3036                                   bss->beacon_int);
3037                 if (ret < 0 || ret >= end - pos)
3038                         return 0;
3039                 pos += ret;
3040         }
3041
3042         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3043                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3044                                   bss->caps);
3045                 if (ret < 0 || ret >= end - pos)
3046                         return 0;
3047                 pos += ret;
3048         }
3049
3050         if (mask & WPA_BSS_MASK_QUAL) {
3051                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3052                 if (ret < 0 || ret >= end - pos)
3053                         return 0;
3054                 pos += ret;
3055         }
3056
3057         if (mask & WPA_BSS_MASK_NOISE) {
3058                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3059                 if (ret < 0 || ret >= end - pos)
3060                         return 0;
3061                 pos += ret;
3062         }
3063
3064         if (mask & WPA_BSS_MASK_LEVEL) {
3065                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3066                 if (ret < 0 || ret >= end - pos)
3067                         return 0;
3068                 pos += ret;
3069         }
3070
3071         if (mask & WPA_BSS_MASK_TSF) {
3072                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3073                                   (unsigned long long) bss->tsf);
3074                 if (ret < 0 || ret >= end - pos)
3075                         return 0;
3076                 pos += ret;
3077         }
3078
3079         if (mask & WPA_BSS_MASK_AGE) {
3080                 struct os_time now;
3081
3082                 os_get_time(&now);
3083                 ret = os_snprintf(pos, end - pos, "age=%d\n",
3084                                   (int) (now.sec - bss->last_update.sec));
3085                 if (ret < 0 || ret >= end - pos)
3086                         return 0;
3087                 pos += ret;
3088         }
3089
3090         if (mask & WPA_BSS_MASK_IE) {
3091                 ret = os_snprintf(pos, end - pos, "ie=");
3092                 if (ret < 0 || ret >= end - pos)
3093                         return 0;
3094                 pos += ret;
3095
3096                 ie = (const u8 *) (bss + 1);
3097                 for (i = 0; i < bss->ie_len; i++) {
3098                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3099                         if (ret < 0 || ret >= end - pos)
3100                                 return 0;
3101                         pos += ret;
3102                 }
3103
3104                 ret = os_snprintf(pos, end - pos, "\n");
3105                 if (ret < 0 || ret >= end - pos)
3106                         return 0;
3107                 pos += ret;
3108         }
3109
3110         if (mask & WPA_BSS_MASK_FLAGS) {
3111                 ret = os_snprintf(pos, end - pos, "flags=");
3112                 if (ret < 0 || ret >= end - pos)
3113                         return 0;
3114                 pos += ret;
3115
3116                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3117                 if (ie)
3118                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3119                                                     2 + ie[1]);
3120                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3121                 if (ie2)
3122                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3123                                                     2 + ie2[1]);
3124                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3125                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3126                         ret = os_snprintf(pos, end - pos, "[WEP]");
3127                         if (ret < 0 || ret >= end - pos)
3128                                 return 0;
3129                         pos += ret;
3130                 }
3131                 if (bss->caps & IEEE80211_CAP_IBSS) {
3132                         ret = os_snprintf(pos, end - pos, "[IBSS]");
3133                         if (ret < 0 || ret >= end - pos)
3134                                 return 0;
3135                         pos += ret;
3136                 }
3137                 if (bss->caps & IEEE80211_CAP_ESS) {
3138                         ret = os_snprintf(pos, end - pos, "[ESS]");
3139                         if (ret < 0 || ret >= end - pos)
3140                                 return 0;
3141                         pos += ret;
3142                 }
3143                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE)) {
3144                         ret = os_snprintf(pos, end - pos, "[P2P]");
3145                         if (ret < 0 || ret >= end - pos)
3146                                 return 0;
3147                         pos += ret;
3148                 }
3149 #ifdef CONFIG_HS20
3150                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3151                         ret = os_snprintf(pos, end - pos, "[HS20]");
3152                         if (ret < 0 || ret >= end - pos)
3153                                 return -1;
3154                         pos += ret;
3155                 }
3156 #endif /* CONFIG_HS20 */
3157
3158                 ret = os_snprintf(pos, end - pos, "\n");
3159                 if (ret < 0 || ret >= end - pos)
3160                         return 0;
3161                 pos += ret;
3162         }
3163
3164         if (mask & WPA_BSS_MASK_SSID) {
3165                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3166                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3167                 if (ret < 0 || ret >= end - pos)
3168                         return 0;
3169                 pos += ret;
3170         }
3171
3172 #ifdef CONFIG_WPS
3173         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3174                 ie = (const u8 *) (bss + 1);
3175                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3176                 if (ret < 0 || ret >= end - pos)
3177                         return 0;
3178                 pos += ret;
3179         }
3180 #endif /* CONFIG_WPS */
3181
3182 #ifdef CONFIG_P2P
3183         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3184                 ie = (const u8 *) (bss + 1);
3185                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3186                 if (ret < 0 || ret >= end - pos)
3187                         return 0;
3188                 pos += ret;
3189         }
3190 #endif /* CONFIG_P2P */
3191
3192 #ifdef CONFIG_WIFI_DISPLAY
3193         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3194                 struct wpabuf *wfd;
3195                 ie = (const u8 *) (bss + 1);
3196                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3197                                                   WFD_IE_VENDOR_TYPE);
3198                 if (wfd) {
3199                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3200                         if (ret < 0 || ret >= end - pos)
3201                                 return pos - buf;
3202                         pos += ret;
3203
3204                         pos += wpa_snprintf_hex(pos, end - pos,
3205                                                 wpabuf_head(wfd),
3206                                                 wpabuf_len(wfd));
3207                         wpabuf_free(wfd);
3208
3209                         ret = os_snprintf(pos, end - pos, "\n");
3210                         if (ret < 0 || ret >= end - pos)
3211                                 return pos - buf;
3212                         pos += ret;
3213                 }
3214         }
3215 #endif /* CONFIG_WIFI_DISPLAY */
3216
3217 #ifdef CONFIG_INTERWORKING
3218         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3219                 struct wpa_bss_anqp *anqp = bss->anqp;
3220                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3221                                    anqp->venue_name);
3222                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3223                                    anqp->network_auth_type);
3224                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3225                                    anqp->roaming_consortium);
3226                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3227                                    anqp->ip_addr_type_availability);
3228                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3229                                    anqp->nai_realm);
3230                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3231                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3232                                    anqp->domain_name);
3233 #ifdef CONFIG_HS20
3234                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3235                                    anqp->hs20_operator_friendly_name);
3236                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3237                                    anqp->hs20_wan_metrics);
3238                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3239                                    anqp->hs20_connection_capability);
3240 #endif /* CONFIG_HS20 */
3241         }
3242 #endif /* CONFIG_INTERWORKING */
3243
3244 #ifdef ANDROID
3245         ret = os_snprintf(pos, end - pos, "====\n");
3246         if (ret < 0 || ret >= end - pos)
3247                 return 0;
3248         pos += ret;
3249 #endif
3250
3251         return pos - buf;
3252 }
3253
3254
3255 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3256                                          const char *cmd, char *buf,
3257                                          size_t buflen)
3258 {
3259         u8 bssid[ETH_ALEN];
3260         size_t i;
3261         struct wpa_bss *bss;
3262         struct wpa_bss *bsslast = NULL;
3263         struct dl_list *next;
3264         int ret = 0;
3265         int len;
3266         char *ctmp;
3267         unsigned long mask = WPA_BSS_MASK_ALL;
3268
3269         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3270                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3271                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3272                                             list_id);
3273                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3274                                                list_id);
3275                 } else { /* N1-N2 */
3276                         unsigned int id1, id2;
3277
3278                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3279                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3280                                            "format");
3281                                 return 0;
3282                         }
3283
3284                         if (*(cmd + 6) == '-')
3285                                 id1 = 0;
3286                         else
3287                                 id1 = atoi(cmd + 6);
3288                         ctmp++;
3289                         if (*ctmp >= '0' && *ctmp <= '9')
3290                                 id2 = atoi(ctmp);
3291                         else
3292                                 id2 = (unsigned int) -1;
3293                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3294                         if (id2 == (unsigned int) -1)
3295                                 bsslast = dl_list_last(&wpa_s->bss_id,
3296                                                        struct wpa_bss,
3297                                                        list_id);
3298                         else {
3299                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3300                                 if (bsslast == NULL && bss && id2 > id1) {
3301                                         struct wpa_bss *tmp = bss;
3302                                         for (;;) {
3303                                                 next = tmp->list_id.next;
3304                                                 if (next == &wpa_s->bss_id)
3305                                                         break;
3306                                                 tmp = dl_list_entry(
3307                                                         next, struct wpa_bss,
3308                                                         list_id);
3309                                                 if (tmp->id > id2)
3310                                                         break;
3311                                                 bsslast = tmp;
3312                                         }
3313                                 }
3314                         }
3315                 }
3316         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3317                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3318         else if (os_strncmp(cmd, "LAST", 4) == 0)
3319                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3320         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3321                 i = atoi(cmd + 3);
3322                 bss = wpa_bss_get_id(wpa_s, i);
3323         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3324                 i = atoi(cmd + 5);
3325                 bss = wpa_bss_get_id(wpa_s, i);
3326                 if (bss) {
3327                         next = bss->list_id.next;
3328                         if (next == &wpa_s->bss_id)
3329                                 bss = NULL;
3330                         else
3331                                 bss = dl_list_entry(next, struct wpa_bss,
3332                                                     list_id);
3333                 }
3334 #ifdef CONFIG_P2P
3335         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3336                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3337                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3338                 else
3339                         bss = NULL;
3340 #endif /* CONFIG_P2P */
3341         } else if (hwaddr_aton(cmd, bssid) == 0)
3342                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3343         else {
3344                 struct wpa_bss *tmp;
3345                 i = atoi(cmd);
3346                 bss = NULL;
3347                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3348                 {
3349                         if (i-- == 0) {
3350                                 bss = tmp;
3351                                 break;
3352                         }
3353                 }
3354         }
3355
3356         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3357                 mask = strtoul(ctmp + 5, NULL, 0x10);
3358                 if (mask == 0)
3359                         mask = WPA_BSS_MASK_ALL;
3360         }
3361
3362         if (bss == NULL)
3363                 return 0;
3364
3365         if (bsslast == NULL)
3366                 bsslast = bss;
3367         do {
3368                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3369                 ret += len;
3370                 buf += len;
3371                 buflen -= len;
3372                 if (bss == bsslast)
3373                         break;
3374                 next = bss->list_id.next;
3375                 if (next == &wpa_s->bss_id)
3376                         break;
3377                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3378         } while (bss && len);
3379
3380         return ret;
3381 }
3382
3383
3384 static int wpa_supplicant_ctrl_iface_ap_scan(
3385         struct wpa_supplicant *wpa_s, char *cmd)
3386 {
3387         int ap_scan = atoi(cmd);
3388         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3389 }
3390
3391
3392 static int wpa_supplicant_ctrl_iface_scan_interval(
3393         struct wpa_supplicant *wpa_s, char *cmd)
3394 {
3395         int scan_int = atoi(cmd);
3396         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3397 }
3398
3399
3400 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3401         struct wpa_supplicant *wpa_s, char *cmd)
3402 {
3403         int expire_age = atoi(cmd);
3404         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3405 }
3406
3407
3408 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3409         struct wpa_supplicant *wpa_s, char *cmd)
3410 {
3411         int expire_count = atoi(cmd);
3412         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3413 }
3414
3415
3416 static int wpa_supplicant_ctrl_iface_bss_flush(
3417         struct wpa_supplicant *wpa_s, char *cmd)
3418 {
3419         int flush_age = atoi(cmd);
3420
3421         if (flush_age == 0)
3422                 wpa_bss_flush(wpa_s);
3423         else
3424                 wpa_bss_flush_by_age(wpa_s, flush_age);
3425         return 0;
3426 }
3427
3428
3429 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3430 {
3431         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3432         /* MLME-DELETEKEYS.request */
3433         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3434         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3435         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3436         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3437 #ifdef CONFIG_IEEE80211W
3438         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3439         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3440 #endif /* CONFIG_IEEE80211W */
3441
3442         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3443                         0);
3444         /* MLME-SETPROTECTION.request(None) */
3445         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3446                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3447                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3448         wpa_sm_drop_sa(wpa_s->wpa);
3449 }
3450
3451
3452 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3453                                           char *addr)
3454 {
3455 #ifdef CONFIG_NO_SCAN_PROCESSING
3456         return -1;
3457 #else /* CONFIG_NO_SCAN_PROCESSING */
3458         u8 bssid[ETH_ALEN];
3459         struct wpa_bss *bss;
3460         struct wpa_ssid *ssid = wpa_s->current_ssid;
3461
3462         if (hwaddr_aton(addr, bssid)) {
3463                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3464                            "address '%s'", addr);
3465                 return -1;
3466         }
3467
3468         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3469
3470         bss = wpa_bss_get_bssid(wpa_s, bssid);
3471         if (!bss) {
3472                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3473                            "from BSS table");
3474                 return -1;
3475         }
3476
3477         /*
3478          * TODO: Find best network configuration block from configuration to
3479          * allow roaming to other networks
3480          */
3481
3482         if (!ssid) {
3483                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3484                            "configuration known for the target AP");
3485                 return -1;
3486         }
3487
3488         wpa_s->reassociate = 1;
3489         wpa_supplicant_connect(wpa_s, bss, ssid);
3490
3491         return 0;
3492 #endif /* CONFIG_NO_SCAN_PROCESSING */
3493 }
3494
3495
3496 #ifdef CONFIG_P2P
3497 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3498 {
3499         unsigned int timeout = atoi(cmd);
3500         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3501         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3502         char *pos;
3503         unsigned int search_delay;
3504
3505         if (os_strstr(cmd, "type=social"))
3506                 type = P2P_FIND_ONLY_SOCIAL;
3507         else if (os_strstr(cmd, "type=progressive"))
3508                 type = P2P_FIND_PROGRESSIVE;
3509
3510         pos = os_strstr(cmd, "dev_id=");
3511         if (pos) {
3512                 pos += 7;
3513                 if (hwaddr_aton(pos, dev_id))
3514                         return -1;
3515                 _dev_id = dev_id;
3516         }
3517
3518         pos = os_strstr(cmd, "delay=");
3519         if (pos) {
3520                 pos += 6;
3521                 search_delay = atoi(pos);
3522         } else
3523                 search_delay = wpas_p2p_search_delay(wpa_s);
3524
3525         return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3526                              search_delay);
3527 }
3528
3529
3530 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3531                             char *buf, size_t buflen)
3532 {
3533         u8 addr[ETH_ALEN];
3534         char *pos, *pos2;
3535         char *pin = NULL;
3536         enum p2p_wps_method wps_method;
3537         int new_pin;
3538         int ret;
3539         int persistent_group, persistent_id = -1;
3540         int join;
3541         int auth;
3542         int automatic;
3543         int go_intent = -1;
3544         int freq = 0;
3545         int pd;
3546         int ht40;
3547
3548         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3549          * [persistent|persistent=<network id>]
3550          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3551          * [ht40] */
3552
3553         if (hwaddr_aton(cmd, addr))
3554                 return -1;
3555
3556         pos = cmd + 17;
3557         if (*pos != ' ')
3558                 return -1;
3559         pos++;
3560
3561         persistent_group = os_strstr(pos, " persistent") != NULL;
3562         pos2 = os_strstr(pos, " persistent=");
3563         if (pos2) {
3564                 struct wpa_ssid *ssid;
3565                 persistent_id = atoi(pos2 + 12);
3566                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3567                 if (ssid == NULL || ssid->disabled != 2 ||
3568                     ssid->mode != WPAS_MODE_P2P_GO) {
3569                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3570                                    "SSID id=%d for persistent P2P group (GO)",
3571                                    persistent_id);
3572                         return -1;
3573                 }
3574         }
3575         join = os_strstr(pos, " join") != NULL;
3576         auth = os_strstr(pos, " auth") != NULL;
3577         automatic = os_strstr(pos, " auto") != NULL;
3578         pd = os_strstr(pos, " provdisc") != NULL;
3579         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3580
3581         pos2 = os_strstr(pos, " go_intent=");
3582         if (pos2) {
3583                 pos2 += 11;
3584                 go_intent = atoi(pos2);
3585                 if (go_intent < 0 || go_intent > 15)
3586                         return -1;
3587         }
3588
3589         pos2 = os_strstr(pos, " freq=");
3590         if (pos2) {
3591                 pos2 += 6;
3592                 freq = atoi(pos2);
3593                 if (freq <= 0)
3594                         return -1;
3595         }
3596
3597         if (os_strncmp(pos, "pin", 3) == 0) {
3598                 /* Request random PIN (to be displayed) and enable the PIN */
3599                 wps_method = WPS_PIN_DISPLAY;
3600         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3601                 wps_method = WPS_PBC;
3602         } else {
3603                 pin = pos;
3604                 pos = os_strchr(pin, ' ');
3605                 wps_method = WPS_PIN_KEYPAD;
3606                 if (pos) {
3607                         *pos++ = '\0';
3608                         if (os_strncmp(pos, "display", 7) == 0)
3609                                 wps_method = WPS_PIN_DISPLAY;
3610                 }
3611                 if (!wps_pin_str_valid(pin)) {
3612                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3613                         return 17;
3614                 }
3615         }
3616
3617         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3618                                    persistent_group, automatic, join,
3619                                    auth, go_intent, freq, persistent_id, pd,
3620                                    ht40);
3621         if (new_pin == -2) {
3622                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3623                 return 25;
3624         }
3625         if (new_pin == -3) {
3626                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3627                 return 25;
3628         }
3629         if (new_pin < 0)
3630                 return -1;
3631         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3632                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3633                 if (ret < 0 || (size_t) ret >= buflen)
3634                         return -1;
3635                 return ret;
3636         }
3637
3638         os_memcpy(buf, "OK\n", 3);
3639         return 3;
3640 }
3641
3642
3643 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3644 {
3645         unsigned int timeout = atoi(cmd);
3646         return wpas_p2p_listen(wpa_s, timeout);
3647 }
3648
3649
3650 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3651 {
3652         u8 addr[ETH_ALEN];
3653         char *pos;
3654         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3655
3656         /* <addr> <config method> [join|auto] */
3657
3658         if (hwaddr_aton(cmd, addr))
3659                 return -1;
3660
3661         pos = cmd + 17;
3662         if (*pos != ' ')
3663                 return -1;
3664         pos++;
3665
3666         if (os_strstr(pos, " join") != NULL)
3667                 use = WPAS_P2P_PD_FOR_JOIN;
3668         else if (os_strstr(pos, " auto") != NULL)
3669                 use = WPAS_P2P_PD_AUTO;
3670
3671         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3672 }
3673
3674
3675 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3676                               size_t buflen)
3677 {
3678         struct wpa_ssid *ssid = wpa_s->current_ssid;
3679
3680         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3681             ssid->passphrase == NULL)
3682                 return -1;
3683
3684         os_strlcpy(buf, ssid->passphrase, buflen);
3685         return os_strlen(buf);
3686 }
3687
3688
3689 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3690                                   char *buf, size_t buflen)
3691 {
3692         u64 ref;
3693         int res;
3694         u8 dst_buf[ETH_ALEN], *dst;
3695         struct wpabuf *tlvs;
3696         char *pos;
3697         size_t len;
3698
3699         if (hwaddr_aton(cmd, dst_buf))
3700                 return -1;
3701         dst = dst_buf;
3702         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3703             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3704                 dst = NULL;
3705         pos = cmd + 17;
3706         if (*pos != ' ')
3707                 return -1;
3708         pos++;
3709
3710         if (os_strncmp(pos, "upnp ", 5) == 0) {
3711                 u8 version;
3712                 pos += 5;
3713                 if (hexstr2bin(pos, &version, 1) < 0)
3714                         return -1;
3715                 pos += 2;
3716                 if (*pos != ' ')
3717                         return -1;
3718                 pos++;
3719                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3720 #ifdef CONFIG_WIFI_DISPLAY
3721         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3722                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3723 #endif /* CONFIG_WIFI_DISPLAY */
3724         } else {
3725                 len = os_strlen(pos);
3726                 if (len & 1)
3727                         return -1;
3728                 len /= 2;
3729                 tlvs = wpabuf_alloc(len);
3730                 if (tlvs == NULL)
3731                         return -1;
3732                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3733                         wpabuf_free(tlvs);
3734                         return -1;
3735                 }
3736
3737                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3738                 wpabuf_free(tlvs);
3739         }
3740         if (ref == 0)
3741                 return -1;
3742         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3743         if (res < 0 || (unsigned) res >= buflen)
3744                 return -1;
3745         return res;
3746 }
3747
3748
3749 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3750                                          char *cmd)
3751 {
3752         long long unsigned val;
3753         u64 req;
3754         if (sscanf(cmd, "%llx", &val) != 1)
3755                 return -1;
3756         req = val;
3757         return wpas_p2p_sd_cancel_request(wpa_s, req);
3758 }
3759
3760
3761 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3762 {
3763         int freq;
3764         u8 dst[ETH_ALEN];
3765         u8 dialog_token;
3766         struct wpabuf *resp_tlvs;
3767         char *pos, *pos2;
3768         size_t len;
3769
3770         pos = os_strchr(cmd, ' ');
3771         if (pos == NULL)
3772                 return -1;
3773         *pos++ = '\0';
3774         freq = atoi(cmd);
3775         if (freq == 0)
3776                 return -1;
3777
3778         if (hwaddr_aton(pos, dst))
3779                 return -1;
3780         pos += 17;
3781         if (*pos != ' ')
3782                 return -1;
3783         pos++;
3784
3785         pos2 = os_strchr(pos, ' ');
3786         if (pos2 == NULL)
3787                 return -1;
3788         *pos2++ = '\0';
3789         dialog_token = atoi(pos);
3790
3791         len = os_strlen(pos2);
3792         if (len & 1)
3793                 return -1;
3794         len /= 2;
3795         resp_tlvs = wpabuf_alloc(len);
3796         if (resp_tlvs == NULL)
3797                 return -1;
3798         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3799                 wpabuf_free(resp_tlvs);
3800                 return -1;
3801         }
3802
3803         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3804         wpabuf_free(resp_tlvs);
3805         return 0;
3806 }
3807
3808
3809 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3810                                        char *cmd)
3811 {
3812         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3813                 return -1;
3814         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3815         return 0;
3816 }
3817
3818
3819 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3820                                         char *cmd)
3821 {
3822         char *pos;
3823         size_t len;
3824         struct wpabuf *query, *resp;
3825
3826         pos = os_strchr(cmd, ' ');
3827         if (pos == NULL)
3828                 return -1;
3829         *pos++ = '\0';
3830
3831         len = os_strlen(cmd);
3832         if (len & 1)
3833                 return -1;
3834         len /= 2;
3835         query = wpabuf_alloc(len);
3836         if (query == NULL)
3837                 return -1;
3838         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3839                 wpabuf_free(query);
3840                 return -1;
3841         }
3842
3843         len = os_strlen(pos);
3844         if (len & 1) {
3845                 wpabuf_free(query);
3846                 return -1;
3847         }
3848         len /= 2;
3849         resp = wpabuf_alloc(len);
3850         if (resp == NULL) {
3851                 wpabuf_free(query);
3852                 return -1;
3853         }
3854         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
3855                 wpabuf_free(query);
3856                 wpabuf_free(resp);
3857                 return -1;
3858         }
3859
3860         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
3861                 wpabuf_free(query);
3862                 wpabuf_free(resp);
3863                 return -1;
3864         }
3865         return 0;
3866 }
3867
3868
3869 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3870 {
3871         char *pos;
3872         u8 version;
3873
3874         pos = os_strchr(cmd, ' ');
3875         if (pos == NULL)
3876                 return -1;
3877         *pos++ = '\0';
3878
3879         if (hexstr2bin(cmd, &version, 1) < 0)
3880                 return -1;
3881
3882         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
3883 }
3884
3885
3886 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
3887 {
3888         char *pos;
3889
3890         pos = os_strchr(cmd, ' ');
3891         if (pos == NULL)
3892                 return -1;
3893         *pos++ = '\0';
3894
3895         if (os_strcmp(cmd, "bonjour") == 0)
3896                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
3897         if (os_strcmp(cmd, "upnp") == 0)
3898                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
3899         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3900         return -1;
3901 }
3902
3903
3904 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
3905                                         char *cmd)
3906 {
3907         size_t len;
3908         struct wpabuf *query;
3909         int ret;
3910
3911         len = os_strlen(cmd);
3912         if (len & 1)
3913                 return -1;
3914         len /= 2;
3915         query = wpabuf_alloc(len);
3916         if (query == NULL)
3917                 return -1;
3918         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3919                 wpabuf_free(query);
3920                 return -1;
3921         }
3922
3923         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
3924         wpabuf_free(query);
3925         return ret;
3926 }
3927
3928
3929 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3930 {
3931         char *pos;
3932         u8 version;
3933
3934         pos = os_strchr(cmd, ' ');
3935         if (pos == NULL)
3936                 return -1;
3937         *pos++ = '\0';
3938
3939         if (hexstr2bin(cmd, &version, 1) < 0)
3940                 return -1;
3941
3942         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
3943 }
3944
3945
3946 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
3947 {
3948         char *pos;
3949
3950         pos = os_strchr(cmd, ' ');
3951         if (pos == NULL)
3952                 return -1;
3953         *pos++ = '\0';
3954
3955         if (os_strcmp(cmd, "bonjour") == 0)
3956                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
3957         if (os_strcmp(cmd, "upnp") == 0)
3958                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
3959         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3960         return -1;
3961 }
3962
3963
3964 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
3965 {
3966         u8 addr[ETH_ALEN];
3967
3968         /* <addr> */
3969
3970         if (hwaddr_aton(cmd, addr))
3971                 return -1;
3972
3973         return wpas_p2p_reject(wpa_s, addr);
3974 }
3975
3976
3977 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
3978 {
3979         char *pos;
3980         int id;
3981         struct wpa_ssid *ssid;
3982         u8 *_peer = NULL, peer[ETH_ALEN];
3983         int freq = 0;
3984         int ht40;
3985
3986         id = atoi(cmd);
3987         pos = os_strstr(cmd, " peer=");
3988         if (pos) {
3989                 pos += 6;
3990                 if (hwaddr_aton(pos, peer))
3991                         return -1;
3992                 _peer = peer;
3993         }
3994         ssid = wpa_config_get_network(wpa_s->conf, id);
3995         if (ssid == NULL || ssid->disabled != 2) {
3996                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3997                            "for persistent P2P group",
3998                            id);
3999                 return -1;
4000         }
4001
4002         pos = os_strstr(cmd, " freq=");
4003         if (pos) {
4004                 pos += 6;
4005                 freq = atoi(pos);
4006                 if (freq <= 0)
4007                         return -1;
4008         }
4009
4010         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
4011
4012         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40);
4013 }
4014
4015
4016 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4017 {
4018         char *pos;
4019         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4020
4021         pos = os_strstr(cmd, " peer=");
4022         if (!pos)
4023                 return -1;
4024
4025         *pos = '\0';
4026         pos += 6;
4027         if (hwaddr_aton(pos, peer)) {
4028                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4029                 return -1;
4030         }
4031
4032         pos = os_strstr(pos, " go_dev_addr=");
4033         if (pos) {
4034                 pos += 13;
4035                 if (hwaddr_aton(pos, go_dev_addr)) {
4036                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4037                                    pos);
4038                         return -1;
4039                 }
4040                 go_dev = go_dev_addr;
4041         }
4042
4043         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4044 }
4045
4046
4047 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4048 {
4049         if (os_strncmp(cmd, "persistent=", 11) == 0)
4050                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4051         if (os_strncmp(cmd, "group=", 6) == 0)
4052                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4053
4054         return -1;
4055 }
4056
4057
4058 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4059                                          char *cmd, int freq, int ht40)
4060 {
4061         int id;
4062         struct wpa_ssid *ssid;
4063
4064         id = atoi(cmd);
4065         ssid = wpa_config_get_network(wpa_s->conf, id);
4066         if (ssid == NULL || ssid->disabled != 2) {
4067                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4068                            "for persistent P2P group",
4069                            id);
4070                 return -1;
4071         }
4072
4073         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40);
4074 }
4075
4076
4077 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4078 {
4079         int freq = 0, ht40;
4080         char *pos;
4081
4082         pos = os_strstr(cmd, "freq=");
4083         if (pos)
4084                 freq = atoi(pos + 5);
4085
4086         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
4087
4088         if (os_strncmp(cmd, "persistent=", 11) == 0)
4089                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4090                                                      ht40);
4091         if (os_strcmp(cmd, "persistent") == 0 ||
4092             os_strncmp(cmd, "persistent ", 11) == 0)
4093                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40);
4094         if (os_strncmp(cmd, "freq=", 5) == 0)
4095                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4096         if (ht40)
4097                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4098
4099         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4100                    cmd);
4101         return -1;
4102 }
4103
4104
4105 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4106                          char *buf, size_t buflen)
4107 {
4108         u8 addr[ETH_ALEN], *addr_ptr;
4109         int next, res;
4110         const struct p2p_peer_info *info;
4111         char *pos, *end;
4112         char devtype[WPS_DEV_TYPE_BUFSIZE];
4113         struct wpa_ssid *ssid;
4114         size_t i;
4115
4116         if (!wpa_s->global->p2p)
4117                 return -1;
4118
4119         if (os_strcmp(cmd, "FIRST") == 0) {
4120                 addr_ptr = NULL;
4121                 next = 0;
4122         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4123                 if (hwaddr_aton(cmd + 5, addr) < 0)
4124                         return -1;
4125                 addr_ptr = addr;
4126                 next = 1;
4127         } else {
4128                 if (hwaddr_aton(cmd, addr) < 0)
4129                         return -1;
4130                 addr_ptr = addr;
4131                 next = 0;
4132         }
4133
4134         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4135         if (info == NULL)
4136                 return -1;
4137
4138         pos = buf;
4139         end = buf + buflen;
4140
4141         res = os_snprintf(pos, end - pos, MACSTR "\n"
4142                           "pri_dev_type=%s\n"
4143                           "device_name=%s\n"
4144                           "manufacturer=%s\n"
4145                           "model_name=%s\n"
4146                           "model_number=%s\n"
4147                           "serial_number=%s\n"
4148                           "config_methods=0x%x\n"
4149                           "dev_capab=0x%x\n"
4150                           "group_capab=0x%x\n"
4151                           "level=%d\n",
4152                           MAC2STR(info->p2p_device_addr),
4153                           wps_dev_type_bin2str(info->pri_dev_type,
4154                                                devtype, sizeof(devtype)),
4155                           info->device_name,
4156                           info->manufacturer,
4157                           info->model_name,
4158                           info->model_number,
4159                           info->serial_number,
4160                           info->config_methods,
4161                           info->dev_capab,
4162                           info->group_capab,
4163                           info->level);
4164         if (res < 0 || res >= end - pos)
4165                 return pos - buf;
4166         pos += res;
4167
4168         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4169         {
4170                 const u8 *t;
4171                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4172                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4173                                   wps_dev_type_bin2str(t, devtype,
4174                                                        sizeof(devtype)));
4175                 if (res < 0 || res >= end - pos)
4176                         return pos - buf;
4177                 pos += res;
4178         }
4179
4180         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4181         if (ssid) {
4182                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4183                 if (res < 0 || res >= end - pos)
4184                         return pos - buf;
4185                 pos += res;
4186         }
4187
4188         res = p2p_get_peer_info_txt(info, pos, end - pos);
4189         if (res < 0)
4190                 return pos - buf;
4191         pos += res;
4192
4193         return pos - buf;
4194 }
4195
4196
4197 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4198                                   const char *param)
4199 {
4200         struct wpa_freq_range *freq = NULL, *n;
4201         unsigned int count = 0, i;
4202         const char *pos, *pos2, *pos3;
4203
4204         if (wpa_s->global->p2p == NULL)
4205                 return -1;
4206
4207         /*
4208          * param includes comma separated frequency range.
4209          * For example: 2412-2432,2462,5000-6000
4210          */
4211         pos = param;
4212         while (pos && pos[0]) {
4213                 n = os_realloc_array(freq, count + 1,
4214                                      sizeof(struct wpa_freq_range));
4215                 if (n == NULL) {
4216                         os_free(freq);
4217                         return -1;
4218                 }
4219                 freq = n;
4220                 freq[count].min = atoi(pos);
4221                 pos2 = os_strchr(pos, '-');
4222                 pos3 = os_strchr(pos, ',');
4223                 if (pos2 && (!pos3 || pos2 < pos3)) {
4224                         pos2++;
4225                         freq[count].max = atoi(pos2);
4226                 } else
4227                         freq[count].max = freq[count].min;
4228                 pos = pos3;
4229                 if (pos)
4230                         pos++;
4231                 count++;
4232         }
4233
4234         for (i = 0; i < count; i++) {
4235                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4236                            freq[i].min, freq[i].max);
4237         }
4238
4239         os_free(wpa_s->global->p2p_disallow_freq);
4240         wpa_s->global->p2p_disallow_freq = freq;
4241         wpa_s->global->num_p2p_disallow_freq = count;
4242         wpas_p2p_update_channel_list(wpa_s);
4243         return 0;
4244 }
4245
4246
4247 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4248 {
4249         char *param;
4250
4251         if (wpa_s->global->p2p == NULL)
4252                 return -1;
4253
4254         param = os_strchr(cmd, ' ');
4255         if (param == NULL)
4256                 return -1;
4257         *param++ = '\0';
4258
4259         if (os_strcmp(cmd, "discoverability") == 0) {
4260                 p2p_set_client_discoverability(wpa_s->global->p2p,
4261                                                atoi(param));
4262                 return 0;
4263         }
4264
4265         if (os_strcmp(cmd, "managed") == 0) {
4266                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4267                 return 0;
4268         }
4269
4270         if (os_strcmp(cmd, "listen_channel") == 0) {
4271                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4272                                               atoi(param));
4273         }
4274
4275         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4276                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4277                                             os_strlen(param));
4278         }
4279
4280         if (os_strcmp(cmd, "noa") == 0) {
4281                 char *pos;
4282                 int count, start, duration;
4283                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4284                 count = atoi(param);
4285                 pos = os_strchr(param, ',');
4286                 if (pos == NULL)
4287                         return -1;
4288                 pos++;
4289                 start = atoi(pos);
4290                 pos = os_strchr(pos, ',');
4291                 if (pos == NULL)
4292                         return -1;
4293                 pos++;
4294                 duration = atoi(pos);
4295                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4296                         return -1;
4297                 if (count == 0 && duration > 0)
4298                         return -1;
4299                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4300                            "start=%d duration=%d", count, start, duration);
4301                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4302         }
4303
4304         if (os_strcmp(cmd, "ps") == 0)
4305                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4306
4307         if (os_strcmp(cmd, "oppps") == 0)
4308                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4309
4310         if (os_strcmp(cmd, "ctwindow") == 0)
4311                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4312
4313         if (os_strcmp(cmd, "disabled") == 0) {
4314                 wpa_s->global->p2p_disabled = atoi(param);
4315                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4316                            wpa_s->global->p2p_disabled ?
4317                            "disabled" : "enabled");
4318                 if (wpa_s->global->p2p_disabled) {
4319                         wpas_p2p_stop_find(wpa_s);
4320                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4321                         p2p_flush(wpa_s->global->p2p);
4322                 }
4323                 return 0;
4324         }
4325
4326         if (os_strcmp(cmd, "conc_pref") == 0) {
4327                 if (os_strcmp(param, "sta") == 0)
4328                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4329                 else if (os_strcmp(param, "p2p") == 0)
4330                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4331                 else {
4332                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4333                         return -1;
4334                 }
4335                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4336                            "%s", param);
4337                 return 0;
4338         }
4339
4340         if (os_strcmp(cmd, "force_long_sd") == 0) {
4341                 wpa_s->force_long_sd = atoi(param);
4342                 return 0;
4343         }
4344
4345         if (os_strcmp(cmd, "peer_filter") == 0) {
4346                 u8 addr[ETH_ALEN];
4347                 if (hwaddr_aton(param, addr))
4348                         return -1;
4349                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4350                 return 0;
4351         }
4352
4353         if (os_strcmp(cmd, "cross_connect") == 0)
4354                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4355
4356         if (os_strcmp(cmd, "go_apsd") == 0) {
4357                 if (os_strcmp(param, "disable") == 0)
4358                         wpa_s->set_ap_uapsd = 0;
4359                 else {
4360                         wpa_s->set_ap_uapsd = 1;
4361                         wpa_s->ap_uapsd = atoi(param);
4362                 }
4363                 return 0;
4364         }
4365
4366         if (os_strcmp(cmd, "client_apsd") == 0) {
4367                 if (os_strcmp(param, "disable") == 0)
4368                         wpa_s->set_sta_uapsd = 0;
4369                 else {
4370                         int be, bk, vi, vo;
4371                         char *pos;
4372                         /* format: BE,BK,VI,VO;max SP Length */
4373                         be = atoi(param);
4374                         pos = os_strchr(param, ',');
4375                         if (pos == NULL)
4376                                 return -1;
4377                         pos++;
4378                         bk = atoi(pos);
4379                         pos = os_strchr(pos, ',');
4380                         if (pos == NULL)
4381                                 return -1;
4382                         pos++;
4383                         vi = atoi(pos);
4384                         pos = os_strchr(pos, ',');
4385                         if (pos == NULL)
4386                                 return -1;
4387                         pos++;
4388                         vo = atoi(pos);
4389                         /* ignore max SP Length for now */
4390
4391                         wpa_s->set_sta_uapsd = 1;
4392                         wpa_s->sta_uapsd = 0;
4393                         if (be)
4394                                 wpa_s->sta_uapsd |= BIT(0);
4395                         if (bk)
4396                                 wpa_s->sta_uapsd |= BIT(1);
4397                         if (vi)
4398                                 wpa_s->sta_uapsd |= BIT(2);
4399                         if (vo)
4400                                 wpa_s->sta_uapsd |= BIT(3);
4401                 }
4402                 return 0;
4403         }
4404
4405         if (os_strcmp(cmd, "disallow_freq") == 0)
4406                 return p2p_ctrl_disallow_freq(wpa_s, param);
4407
4408         if (os_strcmp(cmd, "disc_int") == 0) {
4409                 int min_disc_int, max_disc_int, max_disc_tu;
4410                 char *pos;
4411
4412                 pos = param;
4413
4414                 min_disc_int = atoi(pos);
4415                 pos = os_strchr(pos, ' ');
4416                 if (pos == NULL)
4417                         return -1;
4418                 *pos++ = '\0';
4419
4420                 max_disc_int = atoi(pos);
4421                 pos = os_strchr(pos, ' ');
4422                 if (pos == NULL)
4423                         return -1;
4424                 *pos++ = '\0';
4425
4426                 max_disc_tu = atoi(pos);
4427
4428                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4429                                         max_disc_int, max_disc_tu);
4430         }
4431
4432         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4433                    cmd);
4434
4435         return -1;
4436 }
4437
4438
4439 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4440 {
4441         char *pos, *pos2;
4442         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4443
4444         if (cmd[0]) {
4445                 pos = os_strchr(cmd, ' ');
4446                 if (pos == NULL)
4447                         return -1;
4448                 *pos++ = '\0';
4449                 dur1 = atoi(cmd);
4450
4451                 pos2 = os_strchr(pos, ' ');
4452                 if (pos2)
4453                         *pos2++ = '\0';
4454                 int1 = atoi(pos);
4455         } else
4456                 pos2 = NULL;
4457
4458         if (pos2) {
4459                 pos = os_strchr(pos2, ' ');
4460                 if (pos == NULL)
4461                         return -1;
4462                 *pos++ = '\0';
4463                 dur2 = atoi(pos2);
4464                 int2 = atoi(pos);
4465         }
4466
4467         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4468 }
4469
4470
4471 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4472 {
4473         char *pos;
4474         unsigned int period = 0, interval = 0;
4475
4476         if (cmd[0]) {
4477                 pos = os_strchr(cmd, ' ');
4478                 if (pos == NULL)
4479                         return -1;
4480                 *pos++ = '\0';
4481                 period = atoi(cmd);
4482                 interval = atoi(pos);
4483         }
4484
4485         return wpas_p2p_ext_listen(wpa_s, period, interval);
4486 }
4487
4488 #endif /* CONFIG_P2P */
4489
4490
4491 #ifdef CONFIG_INTERWORKING
4492 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4493 {
4494         u8 bssid[ETH_ALEN];
4495         struct wpa_bss *bss;
4496
4497         if (hwaddr_aton(dst, bssid)) {
4498                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4499                 return -1;
4500         }
4501
4502         bss = wpa_bss_get_bssid(wpa_s, bssid);
4503         if (bss == NULL) {
4504                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4505                            MAC2STR(bssid));
4506                 return -1;
4507         }
4508
4509         return interworking_connect(wpa_s, bss);
4510 }
4511
4512
4513 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4514 {
4515         u8 dst_addr[ETH_ALEN];
4516         int used;
4517         char *pos;
4518 #define MAX_ANQP_INFO_ID 100
4519         u16 id[MAX_ANQP_INFO_ID];
4520         size_t num_id = 0;
4521
4522         used = hwaddr_aton2(dst, dst_addr);
4523         if (used < 0)
4524                 return -1;
4525         pos = dst + used;
4526         while (num_id < MAX_ANQP_INFO_ID) {
4527                 id[num_id] = atoi(pos);
4528                 if (id[num_id])
4529                         num_id++;
4530                 pos = os_strchr(pos + 1, ',');
4531                 if (pos == NULL)
4532                         break;
4533                 pos++;
4534         }
4535
4536         if (num_id == 0)
4537                 return -1;
4538
4539         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4540 }
4541
4542
4543 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4544 {
4545         u8 dst_addr[ETH_ALEN];
4546         struct wpabuf *advproto, *query = NULL;
4547         int used, ret = -1;
4548         char *pos, *end;
4549         size_t len;
4550
4551         used = hwaddr_aton2(cmd, dst_addr);
4552         if (used < 0)
4553                 return -1;
4554
4555         pos = cmd + used;
4556         while (*pos == ' ')
4557                 pos++;
4558
4559         /* Advertisement Protocol ID */
4560         end = os_strchr(pos, ' ');
4561         if (end)
4562                 len = end - pos;
4563         else
4564                 len = os_strlen(pos);
4565         if (len & 0x01)
4566                 return -1;
4567         len /= 2;
4568         if (len == 0)
4569                 return -1;
4570         advproto = wpabuf_alloc(len);
4571         if (advproto == NULL)
4572                 return -1;
4573         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4574                 goto fail;
4575
4576         if (end) {
4577                 /* Optional Query Request */
4578                 pos = end + 1;
4579                 while (*pos == ' ')
4580                         pos++;
4581
4582                 len = os_strlen(pos);
4583                 if (len) {
4584                         if (len & 0x01)
4585                                 goto fail;
4586                         len /= 2;
4587                         if (len == 0)
4588                                 goto fail;
4589                         query = wpabuf_alloc(len);
4590                         if (query == NULL)
4591                                 goto fail;
4592                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4593                                 goto fail;
4594                 }
4595         }
4596
4597         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4598
4599 fail:
4600         wpabuf_free(advproto);
4601         wpabuf_free(query);
4602
4603         return ret;
4604 }
4605
4606
4607 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4608                             size_t buflen)
4609 {
4610         u8 addr[ETH_ALEN];
4611         int dialog_token;
4612         int used;
4613         char *pos;
4614         size_t resp_len, start, requested_len;
4615
4616         if (!wpa_s->last_gas_resp)
4617                 return -1;
4618
4619         used = hwaddr_aton2(cmd, addr);
4620         if (used < 0)
4621                 return -1;
4622
4623         pos = cmd + used;
4624         while (*pos == ' ')
4625                 pos++;
4626         dialog_token = atoi(pos);
4627
4628         if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4629             dialog_token != wpa_s->last_gas_dialog_token)
4630                 return -1;
4631
4632         resp_len = wpabuf_len(wpa_s->last_gas_resp);
4633         start = 0;
4634         requested_len = resp_len;
4635
4636         pos = os_strchr(pos, ' ');
4637         if (pos) {
4638                 start = atoi(pos);
4639                 if (start > resp_len)
4640                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4641                 pos = os_strchr(pos, ',');
4642                 if (pos == NULL)
4643                         return -1;
4644                 pos++;
4645                 requested_len = atoi(pos);
4646                 if (start + requested_len > resp_len)
4647                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4648         }
4649
4650         if (requested_len * 2 + 1 > buflen)
4651                 return os_snprintf(buf, buflen, "FAIL-Too long response");
4652
4653         return wpa_snprintf_hex(buf, buflen,
4654                                 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4655                                 requested_len);
4656 }
4657 #endif /* CONFIG_INTERWORKING */
4658
4659
4660 #ifdef CONFIG_HS20
4661
4662 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4663 {
4664         u8 dst_addr[ETH_ALEN];
4665         int used;
4666         char *pos;
4667         u32 subtypes = 0;
4668
4669         used = hwaddr_aton2(dst, dst_addr);
4670         if (used < 0)
4671                 return -1;
4672         pos = dst + used;
4673         for (;;) {
4674                 int num = atoi(pos);
4675                 if (num <= 0 || num > 31)
4676                         return -1;
4677                 subtypes |= BIT(num);
4678                 pos = os_strchr(pos + 1, ',');
4679                 if (pos == NULL)
4680                         break;
4681                 pos++;
4682         }
4683
4684         if (subtypes == 0)
4685                 return -1;
4686
4687         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4688 }
4689
4690
4691 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4692                                     const u8 *addr, const char *realm)
4693 {
4694         u8 *buf;
4695         size_t rlen, len;
4696         int ret;
4697
4698         rlen = os_strlen(realm);
4699         len = 3 + rlen;
4700         buf = os_malloc(len);
4701         if (buf == NULL)
4702                 return -1;
4703         buf[0] = 1; /* NAI Home Realm Count */
4704         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4705         buf[2] = rlen;
4706         os_memcpy(buf + 3, realm, rlen);
4707
4708         ret = hs20_anqp_send_req(wpa_s, addr,
4709                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4710                                  buf, len);
4711
4712         os_free(buf);
4713
4714         return ret;
4715 }
4716
4717
4718 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4719                                         char *dst)
4720 {
4721         struct wpa_cred *cred = wpa_s->conf->cred;
4722         u8 dst_addr[ETH_ALEN];
4723         int used;
4724         u8 *buf;
4725         size_t len;
4726         int ret;
4727
4728         used = hwaddr_aton2(dst, dst_addr);
4729         if (used < 0)
4730                 return -1;
4731
4732         while (dst[used] == ' ')
4733                 used++;
4734         if (os_strncmp(dst + used, "realm=", 6) == 0)
4735                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4736                                                 dst + used + 6);
4737
4738         len = os_strlen(dst + used);
4739
4740         if (len == 0 && cred && cred->realm)
4741                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4742
4743         if (len % 1)
4744                 return -1;
4745         len /= 2;
4746         buf = os_malloc(len);
4747         if (buf == NULL)
4748                 return -1;
4749         if (hexstr2bin(dst + used, buf, len) < 0) {
4750                 os_free(buf);
4751                 return -1;
4752         }
4753
4754         ret = hs20_anqp_send_req(wpa_s, dst_addr,
4755                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4756                                  buf, len);
4757         os_free(buf);
4758
4759         return ret;
4760 }
4761
4762 #endif /* CONFIG_HS20 */
4763
4764
4765 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4766         struct wpa_supplicant *wpa_s, char *cmd)
4767 {
4768         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4769         return 0;
4770 }
4771
4772
4773 #ifdef CONFIG_AUTOSCAN
4774
4775 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4776                                               char *cmd)
4777 {
4778         enum wpa_states state = wpa_s->wpa_state;
4779         char *new_params = NULL;
4780
4781         if (os_strlen(cmd) > 0) {
4782                 new_params = os_strdup(cmd);
4783                 if (new_params == NULL)
4784                         return -1;
4785         }
4786
4787         os_free(wpa_s->conf->autoscan);
4788         wpa_s->conf->autoscan = new_params;
4789
4790         if (wpa_s->conf->autoscan == NULL)
4791                 autoscan_deinit(wpa_s);
4792         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4793                 autoscan_init(wpa_s, 1);
4794         else if (state == WPA_SCANNING)
4795                 wpa_supplicant_reinit_autoscan(wpa_s);
4796
4797         return 0;
4798 }
4799
4800 #endif /* CONFIG_AUTOSCAN */
4801
4802
4803 #ifdef CONFIG_WNM
4804
4805 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
4806 {
4807         int enter;
4808         int intval = 0;
4809         char *pos;
4810         int ret;
4811         struct wpabuf *tfs_req = NULL;
4812
4813         if (os_strncmp(cmd, "enter", 5) == 0)
4814                 enter = 1;
4815         else if (os_strncmp(cmd, "exit", 4) == 0)
4816                 enter = 0;
4817         else
4818                 return -1;
4819
4820         pos = os_strstr(cmd, " interval=");
4821         if (pos)
4822                 intval = atoi(pos + 10);
4823
4824         pos = os_strstr(cmd, " tfs_req=");
4825         if (pos) {
4826                 char *end;
4827                 size_t len;
4828                 pos += 9;
4829                 end = os_strchr(pos, ' ');
4830                 if (end)
4831                         len = end - pos;
4832                 else
4833                         len = os_strlen(pos);
4834                 if (len & 1)
4835                         return -1;
4836                 len /= 2;
4837                 tfs_req = wpabuf_alloc(len);
4838                 if (tfs_req == NULL)
4839                         return -1;
4840                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
4841                         wpabuf_free(tfs_req);
4842                         return -1;
4843                 }
4844         }
4845
4846         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
4847                                            WNM_SLEEP_MODE_EXIT, intval,
4848                                            tfs_req);
4849         wpabuf_free(tfs_req);
4850
4851         return ret;
4852 }
4853
4854 #endif /* CONFIG_WNM */
4855
4856
4857 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
4858                                       size_t buflen)
4859 {
4860         struct wpa_signal_info si;
4861         int ret;
4862
4863         ret = wpa_drv_signal_poll(wpa_s, &si);
4864         if (ret)
4865                 return -1;
4866
4867         ret = os_snprintf(buf, buflen, "RSSI=%d\nLINKSPEED=%d\n"
4868                           "NOISE=%d\nFREQUENCY=%u\n",
4869                           si.current_signal, si.current_txrate / 1000,
4870                           si.current_noise, si.frequency);
4871         if (ret < 0 || (unsigned int) ret > buflen)
4872                 return -1;
4873         return ret;
4874 }
4875
4876
4877 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
4878                                       size_t buflen)
4879 {
4880         struct hostap_sta_driver_data sta;
4881         int ret;
4882
4883         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
4884         if (ret)
4885                 return -1;
4886
4887         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
4888                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
4889         if (ret < 0 || (size_t) ret > buflen)
4890                 return -1;
4891         return ret;
4892 }
4893
4894
4895 #ifdef ANDROID
4896 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
4897                                      char *buf, size_t buflen)
4898 {
4899         int ret;
4900
4901         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
4902         if (ret == 0)
4903                 ret = sprintf(buf, "%s\n", "OK");
4904         return ret;
4905 }
4906 #endif
4907
4908
4909 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
4910                                          char *buf, size_t *resp_len)
4911 {
4912         char *reply;
4913         const int reply_size = 4096;
4914         int ctrl_rsp = 0;
4915         int reply_len;
4916
4917         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
4918             os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
4919             os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
4920             os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0 ||
4921             os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
4922                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
4923                                       (const u8 *) buf, os_strlen(buf));
4924         } else {
4925                 int level = MSG_DEBUG;
4926                 if (os_strcmp(buf, "PING") == 0)
4927                         level = MSG_EXCESSIVE;
4928                 wpa_hexdump_ascii(level, "RX ctrl_iface",
4929                                   (const u8 *) buf, os_strlen(buf));
4930                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
4931         }
4932
4933         reply = os_malloc(reply_size);
4934         if (reply == NULL) {
4935                 *resp_len = 1;
4936                 return NULL;
4937         }
4938
4939         os_memcpy(reply, "OK\n", 3);
4940         reply_len = 3;
4941
4942         if (os_strcmp(buf, "PING") == 0) {
4943                 os_memcpy(reply, "PONG\n", 5);
4944                 reply_len = 5;
4945         } else if (os_strcmp(buf, "IFNAME") == 0) {
4946                 reply_len = os_strlen(wpa_s->ifname);
4947                 os_memcpy(reply, wpa_s->ifname, reply_len);
4948         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
4949                 if (wpa_debug_reopen_file() < 0)
4950                         reply_len = -1;
4951         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
4952                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
4953         } else if (os_strcmp(buf, "MIB") == 0) {
4954                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
4955                 if (reply_len >= 0) {
4956                         int res;
4957                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
4958                                                reply_size - reply_len);
4959                         if (res < 0)
4960                                 reply_len = -1;
4961                         else
4962                                 reply_len += res;
4963                 }
4964         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
4965                 reply_len = wpa_supplicant_ctrl_iface_status(
4966                         wpa_s, buf + 6, reply, reply_size);
4967         } else if (os_strcmp(buf, "PMKSA") == 0) {
4968                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
4969                                                     reply_size);
4970         } else if (os_strncmp(buf, "SET ", 4) == 0) {
4971                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
4972                         reply_len = -1;
4973         } else if (os_strncmp(buf, "GET ", 4) == 0) {
4974                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
4975                                                           reply, reply_size);
4976         } else if (os_strcmp(buf, "LOGON") == 0) {
4977                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
4978         } else if (os_strcmp(buf, "LOGOFF") == 0) {
4979                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
4980         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
4981                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4982                         reply_len = -1;
4983                 else
4984                         wpas_request_connection(wpa_s);
4985         } else if (os_strcmp(buf, "RECONNECT") == 0) {
4986                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4987                         reply_len = -1;
4988                 else if (wpa_s->disconnected)
4989                         wpas_request_connection(wpa_s);
4990 #ifdef IEEE8021X_EAPOL
4991         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
4992                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
4993                         reply_len = -1;
4994 #endif /* IEEE8021X_EAPOL */
4995 #ifdef CONFIG_PEERKEY
4996         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
4997                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
4998                         reply_len = -1;
4999 #endif /* CONFIG_PEERKEY */
5000 #ifdef CONFIG_IEEE80211R
5001         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
5002                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
5003                         reply_len = -1;
5004 #endif /* CONFIG_IEEE80211R */
5005 #ifdef CONFIG_WPS
5006         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
5007                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
5008                 if (res == -2) {
5009                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5010                         reply_len = 17;
5011                 } else if (res)
5012                         reply_len = -1;
5013         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
5014                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
5015                 if (res == -2) {
5016                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5017                         reply_len = 17;
5018                 } else if (res)
5019                         reply_len = -1;
5020         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
5021                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
5022                                                               reply,
5023                                                               reply_size);
5024         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
5025                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
5026                         wpa_s, buf + 14, reply, reply_size);
5027         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
5028                 if (wpas_wps_cancel(wpa_s))
5029                         reply_len = -1;
5030 #ifdef CONFIG_WPS_NFC
5031         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
5032                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
5033                         reply_len = -1;
5034         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
5035                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
5036                         reply_len = -1;
5037         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
5038                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
5039                         wpa_s, buf + 21, reply, reply_size);
5040         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
5041                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
5042                         wpa_s, buf + 14, reply, reply_size);
5043         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
5044                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
5045                                                                buf + 17))
5046                         reply_len = -1;
5047         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
5048                 reply_len = wpas_ctrl_nfc_get_handover_req(
5049                         wpa_s, buf + 21, reply, reply_size);
5050         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
5051                 reply_len = wpas_ctrl_nfc_get_handover_sel(
5052                         wpa_s, buf + 21, reply, reply_size);
5053         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
5054                 reply_len = wpas_ctrl_nfc_rx_handover_req(
5055                         wpa_s, buf + 20, reply, reply_size);
5056         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
5057                 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
5058                         reply_len = -1;
5059         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
5060                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
5061                         reply_len = -1;
5062 #endif /* CONFIG_WPS_NFC */
5063         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
5064                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
5065                         reply_len = -1;
5066 #ifdef CONFIG_AP
5067         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
5068                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
5069                         wpa_s, buf + 11, reply, reply_size);
5070 #endif /* CONFIG_AP */
5071 #ifdef CONFIG_WPS_ER
5072         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
5073                 if (wpas_wps_er_start(wpa_s, NULL))
5074                         reply_len = -1;
5075         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
5076                 if (wpas_wps_er_start(wpa_s, buf + 13))
5077                         reply_len = -1;
5078         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
5079                 if (wpas_wps_er_stop(wpa_s))
5080                         reply_len = -1;
5081         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
5082                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
5083                         reply_len = -1;
5084         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
5085                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
5086                 if (ret == -2) {
5087                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5088                         reply_len = 17;
5089                 } else if (ret == -3) {
5090                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
5091                         reply_len = 18;
5092                 } else if (ret == -4) {
5093                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
5094                         reply_len = 20;
5095                 } else if (ret)
5096                         reply_len = -1;
5097         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
5098                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
5099                         reply_len = -1;
5100         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
5101                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
5102                                                                 buf + 18))
5103                         reply_len = -1;
5104         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
5105                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
5106                         reply_len = -1;
5107 #ifdef CONFIG_WPS_NFC
5108         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
5109                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
5110                         wpa_s, buf + 24, reply, reply_size);
5111 #endif /* CONFIG_WPS_NFC */
5112 #endif /* CONFIG_WPS_ER */
5113 #endif /* CONFIG_WPS */
5114 #ifdef CONFIG_IBSS_RSN
5115         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
5116                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
5117                         reply_len = -1;
5118 #endif /* CONFIG_IBSS_RSN */
5119 #ifdef CONFIG_P2P
5120         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
5121                 if (p2p_ctrl_find(wpa_s, buf + 9))
5122                         reply_len = -1;
5123         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
5124                 if (p2p_ctrl_find(wpa_s, ""))
5125                         reply_len = -1;
5126         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
5127                 wpas_p2p_stop_find(wpa_s);
5128         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
5129                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
5130                                              reply_size);
5131         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
5132                 if (p2p_ctrl_listen(wpa_s, buf + 11))
5133                         reply_len = -1;
5134         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
5135                 if (p2p_ctrl_listen(wpa_s, ""))
5136                         reply_len = -1;
5137         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
5138                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
5139                         reply_len = -1;
5140         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
5141                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0))
5142                         reply_len = -1;
5143         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
5144                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
5145                         reply_len = -1;
5146         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
5147                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
5148                         reply_len = -1;
5149         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
5150                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
5151         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
5152                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
5153                                                    reply_size);
5154         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
5155                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
5156                         reply_len = -1;
5157         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
5158                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
5159                         reply_len = -1;
5160         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
5161 #ifdef ANDROID_P2P
5162                 wpas_p2p_sd_service_update(wpa_s, SRV_UPDATE);
5163 #else
5164                 wpas_p2p_sd_service_update(wpa_s);
5165 #endif
5166         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
5167                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
5168                         reply_len = -1;
5169         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
5170                 wpas_p2p_service_flush(wpa_s);
5171         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
5172                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
5173                         reply_len = -1;
5174         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
5175                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
5176                         reply_len = -1;
5177         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
5178                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
5179                         reply_len = -1;
5180         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
5181                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
5182                         reply_len = -1;
5183         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
5184                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
5185                                               reply_size);
5186         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
5187                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
5188                         reply_len = -1;
5189         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
5190                 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5191                 wpa_s->force_long_sd = 0;
5192                 if (wpa_s->global->p2p)
5193                         p2p_flush(wpa_s->global->p2p);
5194         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
5195                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
5196                         reply_len = -1;
5197         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
5198                 if (wpas_p2p_cancel(wpa_s))
5199                         reply_len = -1;
5200         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
5201                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
5202                         reply_len = -1;
5203         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
5204                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
5205                         reply_len = -1;
5206         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
5207                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
5208                         reply_len = -1;
5209         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
5210                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
5211                         reply_len = -1;
5212 #endif /* CONFIG_P2P */
5213 #ifdef CONFIG_WIFI_DISPLAY
5214         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
5215                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
5216                         reply_len = -1;
5217         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
5218                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
5219                                                      reply, reply_size);
5220 #endif /* CONFIG_WIFI_DISPLAY */
5221 #ifdef CONFIG_INTERWORKING
5222         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
5223                 if (interworking_fetch_anqp(wpa_s) < 0)
5224                         reply_len = -1;
5225         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
5226                 interworking_stop_fetch_anqp(wpa_s);
5227         } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
5228                 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
5229                                         NULL) < 0)
5230                         reply_len = -1;
5231         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
5232                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
5233                         reply_len = -1;
5234         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
5235                 if (get_anqp(wpa_s, buf + 9) < 0)
5236                         reply_len = -1;
5237         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
5238                 if (gas_request(wpa_s, buf + 12) < 0)
5239                         reply_len = -1;
5240         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
5241                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
5242                                              reply_size);
5243 #endif /* CONFIG_INTERWORKING */
5244 #ifdef CONFIG_HS20
5245         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
5246                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
5247                         reply_len = -1;
5248         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
5249                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
5250                         reply_len = -1;
5251 #endif /* CONFIG_HS20 */
5252         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
5253         {
5254                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
5255                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
5256                         reply_len = -1;
5257                 else
5258                         ctrl_rsp = 1;
5259         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
5260                 if (wpa_supplicant_reload_configuration(wpa_s))
5261                         reply_len = -1;
5262         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5263                 wpa_supplicant_terminate_proc(wpa_s->global);
5264         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
5265                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
5266                         reply_len = -1;
5267         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
5268                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
5269                         wpa_s, buf + 9, reply, reply_size);
5270         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
5271                 reply_len = wpa_supplicant_ctrl_iface_log_level(
5272                         wpa_s, buf + 9, reply, reply_size);
5273         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
5274                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
5275                         wpa_s, reply, reply_size);
5276         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
5277 #ifdef CONFIG_SME
5278                 wpa_s->sme.prev_bssid_set = 0;
5279 #endif /* CONFIG_SME */
5280                 wpa_s->reassociate = 0;
5281                 wpa_s->disconnected = 1;
5282                 wpa_supplicant_cancel_sched_scan(wpa_s);
5283                 wpa_supplicant_cancel_scan(wpa_s);
5284                 wpa_supplicant_deauthenticate(wpa_s,
5285                                               WLAN_REASON_DEAUTH_LEAVING);
5286         } else if (os_strcmp(buf, "SCAN") == 0 ||
5287                    os_strncmp(buf, "SCAN ", 5) == 0) {
5288                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5289                         reply_len = -1;
5290                 else {
5291                         if (os_strlen(buf) > 4 &&
5292                             os_strncasecmp(buf + 5, "TYPE=ONLY", 9) == 0)
5293                                 wpa_s->scan_res_handler = scan_only_handler;
5294                         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5295                             ((wpa_s->wpa_state <= WPA_SCANNING) ||
5296                              (wpa_s->wpa_state == WPA_COMPLETED))) {
5297                                 wpa_s->normal_scans = 0;
5298                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5299                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5300                         } else if (wpa_s->sched_scanning) {
5301                                 wpa_printf(MSG_DEBUG, "Stop ongoing "
5302                                            "sched_scan to allow requested "
5303                                            "full scan to proceed");
5304                                 wpa_supplicant_cancel_sched_scan(wpa_s);
5305                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5306                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5307                         } else {
5308                                 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
5309                                            "reject new request");
5310                                 reply_len = os_snprintf(reply, reply_size,
5311                                                         "FAIL-BUSY\n");
5312                         }
5313                 }
5314         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
5315                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
5316                         wpa_s, reply, reply_size);
5317         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
5318                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
5319                         reply_len = -1;
5320         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
5321                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
5322                         reply_len = -1;
5323         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
5324                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
5325                         reply_len = -1;
5326         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
5327                 reply_len = wpa_supplicant_ctrl_iface_add_network(
5328                         wpa_s, reply, reply_size);
5329         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
5330                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
5331                         reply_len = -1;
5332         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5333                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
5334                         reply_len = -1;
5335         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
5336                 reply_len = wpa_supplicant_ctrl_iface_get_network(
5337                         wpa_s, buf + 12, reply, reply_size);
5338         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
5339                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
5340                         wpa_s, reply, reply_size);
5341         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
5342                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
5343                         wpa_s, reply, reply_size);
5344         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
5345                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
5346                         reply_len = -1;
5347         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
5348                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
5349                         reply_len = -1;
5350 #ifndef CONFIG_NO_CONFIG_WRITE
5351         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
5352                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
5353                         reply_len = -1;
5354 #endif /* CONFIG_NO_CONFIG_WRITE */
5355         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
5356                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
5357                         wpa_s, buf + 15, reply, reply_size);
5358         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
5359                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
5360                         reply_len = -1;
5361         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
5362                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
5363                         reply_len = -1;
5364         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5365                 reply_len = wpa_supplicant_global_iface_list(
5366                         wpa_s->global, reply, reply_size);
5367         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5368                 reply_len = wpa_supplicant_global_iface_interfaces(
5369                         wpa_s->global, reply, reply_size);
5370         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
5371                 reply_len = wpa_supplicant_ctrl_iface_bss(
5372                         wpa_s, buf + 4, reply, reply_size);
5373 #ifdef CONFIG_AP
5374         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
5375                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
5376         } else if (os_strncmp(buf, "STA ", 4) == 0) {
5377                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
5378                                               reply_size);
5379         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
5380                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
5381                                                    reply_size);
5382         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
5383                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
5384                         reply_len = -1;
5385         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
5386                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
5387                         reply_len = -1;
5388 #endif /* CONFIG_AP */
5389         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5390                 wpas_notify_suspend(wpa_s->global);
5391         } else if (os_strcmp(buf, "RESUME") == 0) {
5392                 wpas_notify_resume(wpa_s->global);
5393         } else if (os_strcmp(buf, "DROP_SA") == 0) {
5394                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
5395         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
5396                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
5397                         reply_len = -1;
5398         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
5399                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
5400                         reply_len = -1;
5401         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
5402                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
5403                         reply_len = -1;
5404         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
5405                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
5406                                                                buf + 17))
5407                         reply_len = -1;
5408         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
5409                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
5410                         reply_len = -1;
5411 #ifdef CONFIG_TDLS
5412         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
5413                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
5414                         reply_len = -1;
5415         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
5416                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
5417                         reply_len = -1;
5418         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
5419                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
5420                         reply_len = -1;
5421 #endif /* CONFIG_TDLS */
5422         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
5423                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
5424                                                        reply_size);
5425         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
5426                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
5427                                                        reply_size);
5428 #ifdef CONFIG_AUTOSCAN
5429         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
5430                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
5431                         reply_len = -1;
5432 #endif /* CONFIG_AUTOSCAN */
5433 #ifdef ANDROID
5434         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
5435                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
5436                                                       reply_size);
5437 #endif
5438         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
5439                 pmksa_cache_clear_current(wpa_s->wpa);
5440                 eapol_sm_request_reauth(wpa_s->eapol);
5441 #ifdef CONFIG_WNM
5442         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
5443                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
5444                         reply_len = -1;
5445 #endif /* CONFIG_WNM */
5446         } else {
5447                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5448                 reply_len = 16;
5449         }
5450
5451         if (reply_len < 0) {
5452                 os_memcpy(reply, "FAIL\n", 5);
5453                 reply_len = 5;
5454         }
5455
5456         if (ctrl_rsp)
5457                 eapol_sm_notify_ctrl_response(wpa_s->eapol);
5458
5459         *resp_len = reply_len;
5460         return reply;
5461 }
5462
5463
5464 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
5465                                            char *cmd)
5466 {
5467         struct wpa_interface iface;
5468         char *pos;
5469
5470         /*
5471          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
5472          * TAB<bridge_ifname>
5473          */
5474         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
5475
5476         os_memset(&iface, 0, sizeof(iface));
5477
5478         do {
5479                 iface.ifname = pos = cmd;
5480                 pos = os_strchr(pos, '\t');
5481                 if (pos)
5482                         *pos++ = '\0';
5483                 if (iface.ifname[0] == '\0')
5484                         return -1;
5485                 if (pos == NULL)
5486                         break;
5487
5488                 iface.confname = pos;
5489                 pos = os_strchr(pos, '\t');
5490                 if (pos)
5491                         *pos++ = '\0';
5492                 if (iface.confname[0] == '\0')
5493                         iface.confname = NULL;
5494                 if (pos == NULL)
5495                         break;
5496
5497                 iface.driver = pos;
5498                 pos = os_strchr(pos, '\t');
5499                 if (pos)
5500                         *pos++ = '\0';
5501                 if (iface.driver[0] == '\0')
5502                         iface.driver = NULL;
5503                 if (pos == NULL)
5504                         break;
5505
5506                 iface.ctrl_interface = pos;
5507                 pos = os_strchr(pos, '\t');
5508                 if (pos)
5509                         *pos++ = '\0';
5510                 if (iface.ctrl_interface[0] == '\0')
5511                         iface.ctrl_interface = NULL;
5512                 if (pos == NULL)
5513                         break;
5514
5515                 iface.driver_param = pos;
5516                 pos = os_strchr(pos, '\t');
5517                 if (pos)
5518                         *pos++ = '\0';
5519                 if (iface.driver_param[0] == '\0')
5520                         iface.driver_param = NULL;
5521                 if (pos == NULL)
5522                         break;
5523
5524                 iface.bridge_ifname = pos;
5525                 pos = os_strchr(pos, '\t');
5526                 if (pos)
5527                         *pos++ = '\0';
5528                 if (iface.bridge_ifname[0] == '\0')
5529                         iface.bridge_ifname = NULL;
5530                 if (pos == NULL)
5531                         break;
5532         } while (0);
5533
5534         if (wpa_supplicant_get_iface(global, iface.ifname))
5535                 return -1;
5536
5537         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
5538 }
5539
5540
5541 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
5542                                               char *cmd)
5543 {
5544         struct wpa_supplicant *wpa_s;
5545
5546         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
5547
5548         wpa_s = wpa_supplicant_get_iface(global, cmd);
5549         if (wpa_s == NULL)
5550                 return -1;
5551         return wpa_supplicant_remove_iface(global, wpa_s, 0);
5552 }
5553
5554
5555 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5556 {
5557         struct wpa_interface_info *prev;
5558
5559         while (iface) {
5560                 prev = iface;
5561                 iface = iface->next;
5562
5563                 os_free(prev->ifname);
5564                 os_free(prev->desc);
5565                 os_free(prev);
5566         }
5567 }
5568
5569
5570 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5571                                             char *buf, int len)
5572 {
5573         int i, res;
5574         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5575         char *pos, *end;
5576
5577         for (i = 0; wpa_drivers[i]; i++) {
5578                 struct wpa_driver_ops *drv = wpa_drivers[i];
5579                 if (drv->get_interfaces == NULL)
5580                         continue;
5581                 tmp = drv->get_interfaces(global->drv_priv[i]);
5582                 if (tmp == NULL)
5583                         continue;
5584
5585                 if (last == NULL)
5586                         iface = last = tmp;
5587                 else
5588                         last->next = tmp;
5589                 while (last->next)
5590                         last = last->next;
5591         }
5592
5593         pos = buf;
5594         end = buf + len;
5595         for (tmp = iface; tmp; tmp = tmp->next) {
5596                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5597                                   tmp->drv_name, tmp->ifname,
5598                                   tmp->desc ? tmp->desc : "");
5599                 if (res < 0 || res >= end - pos) {
5600                         *pos = '\0';
5601                         break;
5602                 }
5603                 pos += res;
5604         }
5605
5606         wpa_free_iface_info(iface);
5607
5608         return pos - buf;
5609 }
5610
5611
5612 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5613                                                   char *buf, int len)
5614 {
5615         int res;
5616         char *pos, *end;
5617         struct wpa_supplicant *wpa_s;
5618
5619         wpa_s = global->ifaces;
5620         pos = buf;
5621         end = buf + len;
5622
5623         while (wpa_s) {
5624                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5625                 if (res < 0 || res >= end - pos) {
5626                         *pos = '\0';
5627                         break;
5628                 }
5629                 pos += res;
5630                 wpa_s = wpa_s->next;
5631         }
5632         return pos - buf;
5633 }
5634
5635
5636 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
5637                                                 char *buf, size_t *resp_len)
5638 {
5639         char *reply;
5640         const int reply_size = 2048;
5641         int reply_len;
5642         int level = MSG_DEBUG;
5643
5644         if (os_strcmp(buf, "PING") == 0)
5645                 level = MSG_EXCESSIVE;
5646         wpa_hexdump_ascii(level, "RX global ctrl_iface",
5647                           (const u8 *) buf, os_strlen(buf));
5648
5649         reply = os_malloc(reply_size);
5650         if (reply == NULL) {
5651                 *resp_len = 1;
5652                 return NULL;
5653         }
5654
5655         os_memcpy(reply, "OK\n", 3);
5656         reply_len = 3;
5657
5658         if (os_strcmp(buf, "PING") == 0) {
5659                 os_memcpy(reply, "PONG\n", 5);
5660                 reply_len = 5;
5661         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
5662                 if (wpa_supplicant_global_iface_add(global, buf + 14))
5663                         reply_len = -1;
5664         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
5665                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
5666                         reply_len = -1;
5667         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5668                 reply_len = wpa_supplicant_global_iface_list(
5669                         global, reply, reply_size);
5670         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5671                 reply_len = wpa_supplicant_global_iface_interfaces(
5672                         global, reply, reply_size);
5673         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5674                 wpa_supplicant_terminate_proc(global);
5675         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5676                 wpas_notify_suspend(global);
5677         } else if (os_strcmp(buf, "RESUME") == 0) {
5678                 wpas_notify_resume(global);
5679         } else {
5680                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5681                 reply_len = 16;
5682         }
5683
5684         if (reply_len < 0) {
5685                 os_memcpy(reply, "FAIL\n", 5);
5686                 reply_len = 5;
5687         }
5688
5689         *resp_len = reply_len;
5690         return reply;
5691 }