wpa_supplicant/ctrl_iface.c

   1 /*
   2  * WPA Supplicant / Control interface (shared code for all backends)
   3  * Copyright (c) 2004-2012, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10
  11 #include "utils/common.h"
  12 #include "utils/eloop.h"
  13 #include "common/version.h"
  14 #include "common/ieee802_11_defs.h"
  15 #include "common/ieee802_11_common.h"
  16 #include "common/wpa_ctrl.h"
  17 #include "eap_peer/eap.h"
  18 #include "eapol_supp/eapol_supp_sm.h"
  19 #include "rsn_supp/wpa.h"
  20 #include "rsn_supp/preauth.h"
  21 #include "rsn_supp/pmksa_cache.h"
  22 #include "l2_packet/l2_packet.h"
  23 #include "wps/wps.h"
  24 #include "config.h"
  25 #include "wpa_supplicant_i.h"
  26 #include "driver_i.h"
  27 #include "wps_supplicant.h"
  28 #include "ibss_rsn.h"
  29 #include "ap.h"
  30 #include "p2p_supplicant.h"
  31 #include "p2p/p2p.h"
  32 #include "hs20_supplicant.h"
  33 #include "wifi_display.h"
  34 #include "notify.h"
  35 #include "bss.h"
  36 #include "scan.h"
  37 #include "ctrl_iface.h"
  38 #include "interworking.h"
  39 #include "blacklist.h"
  40 #include "autoscan.h"
  41 #include "wnm_sta.h"
  42
  43 extern struct wpa_driver_ops *wpa_drivers[];
  44
  45 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
  46                                             char *buf, int len);
  47 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
  48                                                   char *buf, int len);
  49
  50
  51 static int pno_start(struct wpa_supplicant *wpa_s)
  52 {
  53         int ret;
  54         size_t i, num_ssid;
  55         struct wpa_ssid *ssid;
  56         struct wpa_driver_scan_params params;
  57
  58         if (wpa_s->pno)
  59                 return 0;
  60
  61         if (wpa_s->wpa_state == WPA_SCANNING) {
  62                 wpa_supplicant_cancel_sched_scan(wpa_s);
  63                 wpa_supplicant_cancel_scan(wpa_s);
  64         }
  65
  66         os_memset(&params, 0, sizeof(params));
  67
  68         num_ssid = 0;
  69         ssid = wpa_s->conf->ssid;
  70         while (ssid) {
  71                 if (!wpas_network_disabled(wpa_s, ssid))
  72                         num_ssid++;
  73                 ssid = ssid->next;
  74         }
  75         if (num_ssid > WPAS_MAX_SCAN_SSIDS) {
  76                 wpa_printf(MSG_DEBUG, "PNO: Use only the first %u SSIDs from "
  77                            "%u", WPAS_MAX_SCAN_SSIDS, (unsigned int) num_ssid);
  78                 num_ssid = WPAS_MAX_SCAN_SSIDS;
  79         }
  80
  81         if (num_ssid == 0) {
  82                 wpa_printf(MSG_DEBUG, "PNO: No configured SSIDs");
  83                 return -1;
  84         }
  85
  86         params.filter_ssids = os_malloc(sizeof(struct wpa_driver_scan_filter) *
  87                                         num_ssid);
  88         if (params.filter_ssids == NULL)
  89                 return -1;
  90         i = 0;
  91         ssid = wpa_s->conf->ssid;
  92         while (ssid) {
  93                 if (!wpas_network_disabled(wpa_s, ssid)) {
  94                         params.ssids[i].ssid = ssid->ssid;
  95                         params.ssids[i].ssid_len = ssid->ssid_len;
  96                         params.num_ssids++;
  97                         os_memcpy(params.filter_ssids[i].ssid, ssid->ssid,
  98                                   ssid->ssid_len);
  99                         params.filter_ssids[i].ssid_len = ssid->ssid_len;
 100                         params.num_filter_ssids++;
 101                         i++;
 102                         if (i == num_ssid)
 103                                 break;
 104                 }
 105                 ssid = ssid->next;
 106         }
 107
 108         if (wpa_s->conf->filter_rssi)
 109                 params.filter_rssi = wpa_s->conf->filter_rssi;
 110
 111         ret = wpa_drv_sched_scan(wpa_s, &params, 10 * 1000);
 112         os_free(params.filter_ssids);
 113         if (ret == 0)
 114                 wpa_s->pno = 1;
 115         return ret;
 116 }
 117
 118
 119 static int pno_stop(struct wpa_supplicant *wpa_s)
 120 {
 121         int ret = 0;
 122
 123         if (wpa_s->pno) {
 124                 wpa_s->pno = 0;
 125                 ret = wpa_drv_stop_sched_scan(wpa_s);
 126         }
 127
 128         if (wpa_s->wpa_state == WPA_SCANNING)
 129                 wpa_supplicant_req_scan(wpa_s, 0, 0);
 130
 131         return ret;
 132 }
 133
 134
 135 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
 136 {
 137         char *pos;
 138         u8 addr[ETH_ALEN], *filter = NULL, *n;
 139         size_t count = 0;
 140
 141         pos = val;
 142         while (pos) {
 143                 if (*pos == '\0')
 144                         break;
 145                 if (hwaddr_aton(pos, addr)) {
 146                         os_free(filter);
 147                         return -1;
 148                 }
 149                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
 150                 if (n == NULL) {
 151                         os_free(filter);
 152                         return -1;
 153                 }
 154                 filter = n;
 155                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
 156                 count++;
 157
 158                 pos = os_strchr(pos, ' ');
 159                 if (pos)
 160                         pos++;
 161         }
 162
 163         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
 164         os_free(wpa_s->bssid_filter);
 165         wpa_s->bssid_filter = filter;
 166         wpa_s->bssid_filter_count = count;
 167
 168         return 0;
 169 }
 170
 171
 172 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
 173 {
 174         char *pos;
 175         u8 addr[ETH_ALEN], *bssid = NULL, *n;
 176         struct wpa_ssid_value *ssid = NULL, *ns;
 177         size_t count = 0, ssid_count = 0;
 178         struct wpa_ssid *c;
 179
 180         /*
 181          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | “”
 182          * SSID_SPEC ::= ssid <SSID_HEX>
 183          * BSSID_SPEC ::= bssid <BSSID_HEX>
 184          */
 185
 186         pos = val;
 187         while (pos) {
 188                 if (*pos == '\0')
 189                         break;
 190                 if (os_strncmp(pos, "bssid ", 6) == 0) {
 191                         int res;
 192                         pos += 6;
 193                         res = hwaddr_aton2(pos, addr);
 194                         if (res < 0) {
 195                                 os_free(ssid);
 196                                 os_free(bssid);
 197                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 198                                            "BSSID value '%s'", pos);
 199                                 return -1;
 200                         }
 201                         pos += res;
 202                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
 203                         if (n == NULL) {
 204                                 os_free(ssid);
 205                                 os_free(bssid);
 206                                 return -1;
 207                         }
 208                         bssid = n;
 209                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
 210                         count++;
 211                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
 212                         char *end;
 213                         pos += 5;
 214
 215                         end = pos;
 216                         while (*end) {
 217                                 if (*end == '\0' || *end == ' ')
 218                                         break;
 219                                 end++;
 220                         }
 221
 222                         ns = os_realloc_array(ssid, ssid_count + 1,
 223                                               sizeof(struct wpa_ssid_value));
 224                         if (ns == NULL) {
 225                                 os_free(ssid);
 226                                 os_free(bssid);
 227                                 return -1;
 228                         }
 229                         ssid = ns;
 230
 231                         if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
 232                             hexstr2bin(pos, ssid[ssid_count].ssid,
 233                                        (end - pos) / 2) < 0) {
 234                                 os_free(ssid);
 235                                 os_free(bssid);
 236                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 237                                            "SSID value '%s'", pos);
 238                                 return -1;
 239                         }
 240                         ssid[ssid_count].ssid_len = (end - pos) / 2;
 241                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
 242                                           ssid[ssid_count].ssid,
 243                                           ssid[ssid_count].ssid_len);
 244                         ssid_count++;
 245                         pos = end;
 246                 } else {
 247                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
 248                                    "'%s'", pos);
 249                         os_free(ssid);
 250                         os_free(bssid);
 251                         return -1;
 252                 }
 253
 254                 pos = os_strchr(pos, ' ');
 255                 if (pos)
 256                         pos++;
 257         }
 258
 259         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
 260         os_free(wpa_s->disallow_aps_bssid);
 261         wpa_s->disallow_aps_bssid = bssid;
 262         wpa_s->disallow_aps_bssid_count = count;
 263
 264         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
 265         os_free(wpa_s->disallow_aps_ssid);
 266         wpa_s->disallow_aps_ssid = ssid;
 267         wpa_s->disallow_aps_ssid_count = ssid_count;
 268
 269         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
 270                 return 0;
 271
 272         c = wpa_s->current_ssid;
 273         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
 274                 return 0;
 275
 276         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
 277             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
 278                 return 0;
 279
 280         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
 281                    "because current AP was marked disallowed");
 282
 283 #ifdef CONFIG_SME
 284         wpa_s->sme.prev_bssid_set = 0;
 285 #endif /* CONFIG_SME */
 286         wpa_s->reassociate = 1;
 287         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
 288         wpa_supplicant_req_scan(wpa_s, 0, 0);
 289
 290         return 0;
 291 }
 292
 293
 294 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
 295                                          char *cmd)
 296 {
 297         char *value;
 298         int ret = 0;
 299
 300         value = os_strchr(cmd, ' ');
 301         if (value == NULL)
 302                 return -1;
 303         *value++ = '\0';
 304
 305         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
 306         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
 307                 eapol_sm_configure(wpa_s->eapol,
 308                                    atoi(value), -1, -1, -1);
 309         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
 310                 eapol_sm_configure(wpa_s->eapol,
 311                                    -1, atoi(value), -1, -1);
 312         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
 313                 eapol_sm_configure(wpa_s->eapol,
 314                                    -1, -1, atoi(value), -1);
 315         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
 316                 eapol_sm_configure(wpa_s->eapol,
 317                                    -1, -1, -1, atoi(value));
 318         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
 319                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
 320                                      atoi(value)))
 321                         ret = -1;
 322         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
 323                    0) {
 324                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
 325                                      atoi(value)))
 326                         ret = -1;
 327         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
 328                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
 329                         ret = -1;
 330         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
 331                 wpa_s->wps_fragment_size = atoi(value);
 332 #ifdef CONFIG_WPS_TESTING
 333         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
 334                 long int val;
 335                 val = strtol(value, NULL, 0);
 336                 if (val < 0 || val > 0xff) {
 337                         ret = -1;
 338                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
 339                                    "wps_version_number %ld", val);
 340                 } else {
 341                         wps_version_number = val;
 342                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
 343                                    "version %u.%u",
 344                                    (wps_version_number & 0xf0) >> 4,
 345                                    wps_version_number & 0x0f);
 346                 }
 347         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
 348                 wps_testing_dummy_cred = atoi(value);
 349                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
 350                            wps_testing_dummy_cred);
 351 #endif /* CONFIG_WPS_TESTING */
 352         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
 353                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
 354                         ret = -1;
 355 #ifdef CONFIG_TDLS_TESTING
 356         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
 357                 extern unsigned int tdls_testing;
 358                 tdls_testing = strtol(value, NULL, 0);
 359                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
 360 #endif /* CONFIG_TDLS_TESTING */
 361 #ifdef CONFIG_TDLS
 362         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
 363                 int disabled = atoi(value);
 364                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
 365                 if (disabled) {
 366                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
 367                                 ret = -1;
 368                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
 369                         ret = -1;
 370                 wpa_tdls_enable(wpa_s->wpa, !disabled);
 371 #endif /* CONFIG_TDLS */
 372         } else if (os_strcasecmp(cmd, "pno") == 0) {
 373                 if (atoi(value))
 374                         ret = pno_start(wpa_s);
 375                 else
 376                         ret = pno_stop(wpa_s);
 377         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
 378                 int disabled = atoi(value);
 379                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
 380                         ret = -1;
 381                 else if (disabled)
 382                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
 383         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
 384                 if (os_strcmp(value, "disable") == 0)
 385                         wpa_s->set_sta_uapsd = 0;
 386                 else {
 387                         int be, bk, vi, vo;
 388                         char *pos;
 389                         /* format: BE,BK,VI,VO;max SP Length */
 390                         be = atoi(value);
 391                         pos = os_strchr(value, ',');
 392                         if (pos == NULL)
 393                                 return -1;
 394                         pos++;
 395                         bk = atoi(pos);
 396                         pos = os_strchr(pos, ',');
 397                         if (pos == NULL)
 398                                 return -1;
 399                         pos++;
 400                         vi = atoi(pos);
 401                         pos = os_strchr(pos, ',');
 402                         if (pos == NULL)
 403                                 return -1;
 404                         pos++;
 405                         vo = atoi(pos);
 406                         /* ignore max SP Length for now */
 407
 408                         wpa_s->set_sta_uapsd = 1;
 409                         wpa_s->sta_uapsd = 0;
 410                         if (be)
 411                                 wpa_s->sta_uapsd |= BIT(0);
 412                         if (bk)
 413                                 wpa_s->sta_uapsd |= BIT(1);
 414                         if (vi)
 415                                 wpa_s->sta_uapsd |= BIT(2);
 416                         if (vo)
 417                                 wpa_s->sta_uapsd |= BIT(3);
 418                 }
 419         } else if (os_strcasecmp(cmd, "ps") == 0) {
 420                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
 421 #ifdef CONFIG_WIFI_DISPLAY
 422         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 423                 wifi_display_enable(wpa_s->global, !!atoi(value));
 424 #endif /* CONFIG_WIFI_DISPLAY */
 425         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
 426                 ret = set_bssid_filter(wpa_s, value);
 427         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
 428                 ret = set_disallow_aps(wpa_s, value);
 429         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
 430                 wpa_s->no_keep_alive = !!atoi(value);
 431         } else {
 432                 value[-1] = '=';
 433                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
 434                 if (ret == 0)
 435                         wpa_supplicant_update_config(wpa_s);
 436         }
 437
 438         return ret;
 439 }
 440
 441
 442 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
 443                                          char *cmd, char *buf, size_t buflen)
 444 {
 445         int res = -1;
 446
 447         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
 448
 449         if (os_strcmp(cmd, "version") == 0) {
 450                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
 451         } else if (os_strcasecmp(cmd, "country") == 0) {
 452                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
 453                         res = os_snprintf(buf, buflen, "%c%c",
 454                                           wpa_s->conf->country[0],
 455                                           wpa_s->conf->country[1]);
 456 #ifdef CONFIG_WIFI_DISPLAY
 457         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 458                 res = os_snprintf(buf, buflen, "%d",
 459                                   wpa_s->global->wifi_display);
 460                 if (res < 0 || (unsigned int) res >= buflen)
 461                         return -1;
 462                 return res;
 463 #endif /* CONFIG_WIFI_DISPLAY */
 464         }
 465
 466         if (res < 0 || (unsigned int) res >= buflen)
 467                 return -1;
 468         return res;
 469 }
 470
 471
 472 #ifdef IEEE8021X_EAPOL
 473 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
 474                                              char *addr)
 475 {
 476         u8 bssid[ETH_ALEN];
 477         struct wpa_ssid *ssid = wpa_s->current_ssid;
 478
 479         if (hwaddr_aton(addr, bssid)) {
 480                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
 481                            "'%s'", addr);
 482                 return -1;
 483         }
 484
 485         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
 486         rsn_preauth_deinit(wpa_s->wpa);
 487         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
 488                 return -1;
 489
 490         return 0;
 491 }
 492 #endif /* IEEE8021X_EAPOL */
 493
 494
 495 #ifdef CONFIG_PEERKEY
 496 /* MLME-STKSTART.request(peer) */
 497 static int wpa_supplicant_ctrl_iface_stkstart(
 498         struct wpa_supplicant *wpa_s, char *addr)
 499 {
 500         u8 peer[ETH_ALEN];
 501
 502         if (hwaddr_aton(addr, peer)) {
 503                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
 504                            "address '%s'", addr);
 505                 return -1;
 506         }
 507
 508         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
 509                    MAC2STR(peer));
 510
 511         return wpa_sm_stkstart(wpa_s->wpa, peer);
 512 }
 513 #endif /* CONFIG_PEERKEY */
 514
 515
 516 #ifdef CONFIG_TDLS
 517
 518 static int wpa_supplicant_ctrl_iface_tdls_discover(
 519         struct wpa_supplicant *wpa_s, char *addr)
 520 {
 521         u8 peer[ETH_ALEN];
 522         int ret;
 523
 524         if (hwaddr_aton(addr, peer)) {
 525                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
 526                            "address '%s'", addr);
 527                 return -1;
 528         }
 529
 530         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
 531                    MAC2STR(peer));
 532
 533         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 534                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
 535         else
 536                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
 537
 538         return ret;
 539 }
 540
 541
 542 static int wpa_supplicant_ctrl_iface_tdls_setup(
 543         struct wpa_supplicant *wpa_s, char *addr)
 544 {
 545         u8 peer[ETH_ALEN];
 546         int ret;
 547
 548         if (hwaddr_aton(addr, peer)) {
 549                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
 550                            "address '%s'", addr);
 551                 return -1;
 552         }
 553
 554         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
 555                    MAC2STR(peer));
 556
 557         wpa_tdls_remove(wpa_s->wpa, peer);
 558
 559         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 560                 ret = wpa_tdls_start(wpa_s->wpa, peer);
 561         else
 562                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 563
 564         return ret;
 565 }
 566
 567
 568 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 569         struct wpa_supplicant *wpa_s, char *addr)
 570 {
 571         u8 peer[ETH_ALEN];
 572
 573         if (hwaddr_aton(addr, peer)) {
 574                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 575                            "address '%s'", addr);
 576                 return -1;
 577         }
 578
 579         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 580                    MAC2STR(peer));
 581
 582         return wpa_tdls_teardown_link(wpa_s->wpa, peer,
 583                                       WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 584 }
 585
 586 #endif /* CONFIG_TDLS */
 587
 588
 589 #ifdef CONFIG_IEEE80211R
 590 static int wpa_supplicant_ctrl_iface_ft_ds(
 591         struct wpa_supplicant *wpa_s, char *addr)
 592 {
 593         u8 target_ap[ETH_ALEN];
 594         struct wpa_bss *bss;
 595         const u8 *mdie;
 596
 597         if (hwaddr_aton(addr, target_ap)) {
 598                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 599                            "address '%s'", addr);
 600                 return -1;
 601         }
 602
 603         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 604
 605         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 606         if (bss)
 607                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 608         else
 609                 mdie = NULL;
 610
 611         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 612 }
 613 #endif /* CONFIG_IEEE80211R */
 614
 615
 616 #ifdef CONFIG_WPS
 617 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 618                                              char *cmd)
 619 {
 620         u8 bssid[ETH_ALEN], *_bssid = bssid;
 621 #ifdef CONFIG_P2P
 622         u8 p2p_dev_addr[ETH_ALEN];
 623 #endif /* CONFIG_P2P */
 624 #ifdef CONFIG_AP
 625         u8 *_p2p_dev_addr = NULL;
 626 #endif /* CONFIG_AP */
 627
 628         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 629                 _bssid = NULL;
 630 #ifdef CONFIG_P2P
 631         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 632                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 633                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 634                                    "P2P Device Address '%s'",
 635                                    cmd + 13);
 636                         return -1;
 637                 }
 638                 _p2p_dev_addr = p2p_dev_addr;
 639 #endif /* CONFIG_P2P */
 640         } else if (hwaddr_aton(cmd, bssid)) {
 641                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 642                            cmd);
 643                 return -1;
 644         }
 645
 646 #ifdef CONFIG_AP
 647         if (wpa_s->ap_iface)
 648                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 649 #endif /* CONFIG_AP */
 650
 651         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 652 }
 653
 654
 655 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 656                                              char *cmd, char *buf,
 657                                              size_t buflen)
 658 {
 659         u8 bssid[ETH_ALEN], *_bssid = bssid;
 660         char *pin;
 661         int ret;
 662
 663         pin = os_strchr(cmd, ' ');
 664         if (pin)
 665                 *pin++ = '\0';
 666
 667         if (os_strcmp(cmd, "any") == 0)
 668                 _bssid = NULL;
 669         else if (os_strcmp(cmd, "get") == 0) {
 670                 ret = wps_generate_pin();
 671                 goto done;
 672         } else if (hwaddr_aton(cmd, bssid)) {
 673                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 674                            cmd);
 675                 return -1;
 676         }
 677
 678 #ifdef CONFIG_AP
 679         if (wpa_s->ap_iface) {
 680                 int timeout = 0;
 681                 char *pos;
 682
 683                 if (pin) {
 684                         pos = os_strchr(pin, ' ');
 685                         if (pos) {
 686                                 *pos++ = '\0';
 687                                 timeout = atoi(pos);
 688                         }
 689                 }
 690
 691                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 692                                                  buf, buflen, timeout);
 693         }
 694 #endif /* CONFIG_AP */
 695
 696         if (pin) {
 697                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 698                                          DEV_PW_DEFAULT);
 699                 if (ret < 0)
 700                         return -1;
 701                 ret = os_snprintf(buf, buflen, "%s", pin);
 702                 if (ret < 0 || (size_t) ret >= buflen)
 703                         return -1;
 704                 return ret;
 705         }
 706
 707         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 708         if (ret < 0)
 709                 return -1;
 710
 711 done:
 712         /* Return the generated PIN */
 713         ret = os_snprintf(buf, buflen, "%08d", ret);
 714         if (ret < 0 || (size_t) ret >= buflen)
 715                 return -1;
 716         return ret;
 717 }
 718
 719
 720 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 721         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 722 {
 723         char pin[9];
 724         size_t len;
 725         char *pos;
 726         int ret;
 727
 728         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
 729                               (u8 *) cmd, os_strlen(cmd));
 730         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
 731                 if (*pos < '0' || *pos > '9')
 732                         continue;
 733                 pin[len++] = *pos;
 734                 if (len == 9) {
 735                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
 736                         return -1;
 737                 }
 738         }
 739         if (len != 4 && len != 8) {
 740                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
 741                 return -1;
 742         }
 743         pin[len] = '\0';
 744
 745         if (len == 8) {
 746                 unsigned int pin_val;
 747                 pin_val = atoi(pin);
 748                 if (!wps_pin_valid(pin_val)) {
 749                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
 750                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
 751                         if (ret < 0 || (size_t) ret >= buflen)
 752                                 return -1;
 753                         return ret;
 754                 }
 755         }
 756
 757         ret = os_snprintf(buf, buflen, "%s", pin);
 758         if (ret < 0 || (size_t) ret >= buflen)
 759                 return -1;
 760
 761         return ret;
 762 }
 763
 764
 765 #ifdef CONFIG_WPS_NFC
 766
 767 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
 768                                              char *cmd)
 769 {
 770         u8 bssid[ETH_ALEN], *_bssid = bssid;
 771
 772         if (cmd == NULL || cmd[0] == '\0')
 773                 _bssid = NULL;
 774         else if (hwaddr_aton(cmd, bssid))
 775                 return -1;
 776
 777         return wpas_wps_start_nfc(wpa_s, _bssid);
 778 }
 779
 780
 781 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
 782         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 783 {
 784         int ndef;
 785         struct wpabuf *buf;
 786         int res;
 787         char *pos;
 788
 789         pos = os_strchr(cmd, ' ');
 790         if (pos)
 791                 *pos++ = '\0';
 792         if (os_strcmp(cmd, "WPS") == 0)
 793                 ndef = 0;
 794         else if (os_strcmp(cmd, "NDEF") == 0)
 795                 ndef = 1;
 796         else
 797                 return -1;
 798
 799         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
 800         if (buf == NULL)
 801                 return -1;
 802
 803         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 804                                          wpabuf_len(buf));
 805         reply[res++] = '\n';
 806         reply[res] = '\0';
 807
 808         wpabuf_free(buf);
 809
 810         return res;
 811 }
 812
 813
 814 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
 815         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 816 {
 817         int ndef;
 818         struct wpabuf *buf;
 819         int res;
 820
 821         if (os_strcmp(cmd, "WPS") == 0)
 822                 ndef = 0;
 823         else if (os_strcmp(cmd, "NDEF") == 0)
 824                 ndef = 1;
 825         else
 826                 return -1;
 827
 828         buf = wpas_wps_nfc_token(wpa_s, ndef);
 829         if (buf == NULL)
 830                 return -1;
 831
 832         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 833                                          wpabuf_len(buf));
 834         reply[res++] = '\n';
 835         reply[res] = '\0';
 836
 837         wpabuf_free(buf);
 838
 839         return res;
 840 }
 841
 842
 843 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
 844         struct wpa_supplicant *wpa_s, char *pos)
 845 {
 846         size_t len;
 847         struct wpabuf *buf;
 848         int ret;
 849
 850         len = os_strlen(pos);
 851         if (len & 0x01)
 852                 return -1;
 853         len /= 2;
 854
 855         buf = wpabuf_alloc(len);
 856         if (buf == NULL)
 857                 return -1;
 858         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
 859                 wpabuf_free(buf);
 860                 return -1;
 861         }
 862
 863         ret = wpas_wps_nfc_tag_read(wpa_s, buf);
 864         wpabuf_free(buf);
 865
 866         return ret;
 867 }
 868
 869
 870 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
 871                                               char *reply, size_t max_len,
 872                                               int cr)
 873 {
 874         struct wpabuf *buf;
 875         int res;
 876
 877         buf = wpas_wps_nfc_handover_req(wpa_s, cr);
 878         if (buf == NULL)
 879                 return -1;
 880
 881         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 882                                          wpabuf_len(buf));
 883         reply[res++] = '\n';
 884         reply[res] = '\0';
 885
 886         wpabuf_free(buf);
 887
 888         return res;
 889 }
 890
 891
 892 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
 893                                           char *cmd, char *reply,
 894                                           size_t max_len)
 895 {
 896         char *pos;
 897
 898         pos = os_strchr(cmd, ' ');
 899         if (pos == NULL)
 900                 return -1;
 901         *pos++ = '\0';
 902
 903         if (os_strcmp(cmd, "NDEF") != 0)
 904                 return -1;
 905
 906         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
 907                 return wpas_ctrl_nfc_get_handover_req_wps(
 908                         wpa_s, reply, max_len, os_strcmp(pos, "WPS-CR") == 0);
 909         }
 910
 911         return -1;
 912 }
 913
 914
 915 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
 916                                               char *reply, size_t max_len,
 917                                               int ndef, int cr, char *uuid)
 918 {
 919         struct wpabuf *buf;
 920         int res;
 921
 922         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
 923         if (buf == NULL)
 924                 return -1;
 925
 926         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 927                                          wpabuf_len(buf));
 928         reply[res++] = '\n';
 929         reply[res] = '\0';
 930
 931         wpabuf_free(buf);
 932
 933         return res;
 934 }
 935
 936
 937 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
 938                                           char *cmd, char *reply,
 939                                           size_t max_len)
 940 {
 941         char *pos, *pos2;
 942         int ndef;
 943
 944         pos = os_strchr(cmd, ' ');
 945         if (pos == NULL)
 946                 return -1;
 947         *pos++ = '\0';
 948
 949         if (os_strcmp(cmd, "WPS") == 0)
 950                 ndef = 0;
 951         else if (os_strcmp(cmd, "NDEF") == 0)
 952                 ndef = 1;
 953         else
 954                 return -1;
 955
 956         pos2 = os_strchr(pos, ' ');
 957         if (pos2)
 958                 *pos2++ = '\0';
 959         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
 960                 return wpas_ctrl_nfc_get_handover_sel_wps(
 961                         wpa_s, reply, max_len, ndef,
 962                         os_strcmp(pos, "WPS-CR") == 0, pos2);
 963         }
 964
 965         return -1;
 966 }
 967
 968
 969 static int wpas_ctrl_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
 970                                          char *cmd, char *reply,
 971                                          size_t max_len)
 972 {
 973         size_t len;
 974         struct wpabuf *buf;
 975         int ret;
 976
 977         len = os_strlen(cmd);
 978         if (len & 0x01)
 979                 return -1;
 980         len /= 2;
 981
 982         buf = wpabuf_alloc(len);
 983         if (buf == NULL)
 984                 return -1;
 985         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
 986                 wpabuf_free(buf);
 987                 return -1;
 988         }
 989
 990         ret = wpas_wps_nfc_rx_handover_req(wpa_s, buf);
 991         wpabuf_free(buf);
 992
 993         return ret;
 994 }
 995
 996
 997 static int wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
 998                                          char *cmd)
 999 {
1000         size_t len;
1001         struct wpabuf *buf;
1002         int ret;
1003
1004         len = os_strlen(cmd);
1005         if (len & 0x01)
1006                 return -1;
1007         len /= 2;
1008
1009         buf = wpabuf_alloc(len);
1010         if (buf == NULL)
1011                 return -1;
1012         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
1013                 wpabuf_free(buf);
1014                 return -1;
1015         }
1016
1017         ret = wpas_wps_nfc_rx_handover_sel(wpa_s, buf);
1018         wpabuf_free(buf);
1019
1020         return ret;
1021 }
1022
1023
1024 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1025                                          char *cmd)
1026 {
1027         size_t len;
1028         struct wpabuf *req, *sel;
1029         int ret;
1030         char *pos, *role, *type, *pos2;
1031
1032         role = cmd;
1033         pos = os_strchr(role, ' ');
1034         if (pos == NULL)
1035                 return -1;
1036         *pos++ = '\0';
1037
1038         type = pos;
1039         pos = os_strchr(type, ' ');
1040         if (pos == NULL)
1041                 return -1;
1042         *pos++ = '\0';
1043
1044         pos2 = os_strchr(pos, ' ');
1045         if (pos2 == NULL)
1046                 return -1;
1047         *pos2++ = '\0';
1048
1049         len = os_strlen(pos);
1050         if (len & 0x01)
1051                 return -1;
1052         len /= 2;
1053
1054         req = wpabuf_alloc(len);
1055         if (req == NULL)
1056                 return -1;
1057         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1058                 wpabuf_free(req);
1059                 return -1;
1060         }
1061
1062         len = os_strlen(pos2);
1063         if (len & 0x01) {
1064                 wpabuf_free(req);
1065                 return -1;
1066         }
1067         len /= 2;
1068
1069         sel = wpabuf_alloc(len);
1070         if (sel == NULL) {
1071                 wpabuf_free(req);
1072                 return -1;
1073         }
1074         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1075                 wpabuf_free(req);
1076                 wpabuf_free(sel);
1077                 return -1;
1078         }
1079
1080         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1081                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1082         } else {
1083                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1084                            "reported: role=%s type=%s", role, type);
1085                 ret = -1;
1086         }
1087         wpabuf_free(req);
1088         wpabuf_free(sel);
1089
1090         return ret;
1091 }
1092
1093 #endif /* CONFIG_WPS_NFC */
1094
1095
1096 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1097                                              char *cmd)
1098 {
1099         u8 bssid[ETH_ALEN];
1100         char *pin;
1101         char *new_ssid;
1102         char *new_auth;
1103         char *new_encr;
1104         char *new_key;
1105         struct wps_new_ap_settings ap;
1106
1107         pin = os_strchr(cmd, ' ');
1108         if (pin == NULL)
1109                 return -1;
1110         *pin++ = '\0';
1111
1112         if (hwaddr_aton(cmd, bssid)) {
1113                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1114                            cmd);
1115                 return -1;
1116         }
1117
1118         new_ssid = os_strchr(pin, ' ');
1119         if (new_ssid == NULL)
1120                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1121         *new_ssid++ = '\0';
1122
1123         new_auth = os_strchr(new_ssid, ' ');
1124         if (new_auth == NULL)
1125                 return -1;
1126         *new_auth++ = '\0';
1127
1128         new_encr = os_strchr(new_auth, ' ');
1129         if (new_encr == NULL)
1130                 return -1;
1131         *new_encr++ = '\0';
1132
1133         new_key = os_strchr(new_encr, ' ');
1134         if (new_key == NULL)
1135                 return -1;
1136         *new_key++ = '\0';
1137
1138         os_memset(&ap, 0, sizeof(ap));
1139         ap.ssid_hex = new_ssid;
1140         ap.auth = new_auth;
1141         ap.encr = new_encr;
1142         ap.key_hex = new_key;
1143         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1144 }
1145
1146
1147 #ifdef CONFIG_AP
1148 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1149                                                 char *cmd, char *buf,
1150                                                 size_t buflen)
1151 {
1152         int timeout = 300;
1153         char *pos;
1154         const char *pin_txt;
1155
1156         if (!wpa_s->ap_iface)
1157                 return -1;
1158
1159         pos = os_strchr(cmd, ' ');
1160         if (pos)
1161                 *pos++ = '\0';
1162
1163         if (os_strcmp(cmd, "disable") == 0) {
1164                 wpas_wps_ap_pin_disable(wpa_s);
1165                 return os_snprintf(buf, buflen, "OK\n");
1166         }
1167
1168         if (os_strcmp(cmd, "random") == 0) {
1169                 if (pos)
1170                         timeout = atoi(pos);
1171                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1172                 if (pin_txt == NULL)
1173                         return -1;
1174                 return os_snprintf(buf, buflen, "%s", pin_txt);
1175         }
1176
1177         if (os_strcmp(cmd, "get") == 0) {
1178                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1179                 if (pin_txt == NULL)
1180                         return -1;
1181                 return os_snprintf(buf, buflen, "%s", pin_txt);
1182         }
1183
1184         if (os_strcmp(cmd, "set") == 0) {
1185                 char *pin;
1186                 if (pos == NULL)
1187                         return -1;
1188                 pin = pos;
1189                 pos = os_strchr(pos, ' ');
1190                 if (pos) {
1191                         *pos++ = '\0';
1192                         timeout = atoi(pos);
1193                 }
1194                 if (os_strlen(pin) > buflen)
1195                         return -1;
1196                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1197                         return -1;
1198                 return os_snprintf(buf, buflen, "%s", pin);
1199         }
1200
1201         return -1;
1202 }
1203 #endif /* CONFIG_AP */
1204
1205
1206 #ifdef CONFIG_WPS_ER
1207 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1208                                                 char *cmd)
1209 {
1210         char *uuid = cmd, *pin, *pos;
1211         u8 addr_buf[ETH_ALEN], *addr = NULL;
1212         pin = os_strchr(uuid, ' ');
1213         if (pin == NULL)
1214                 return -1;
1215         *pin++ = '\0';
1216         pos = os_strchr(pin, ' ');
1217         if (pos) {
1218                 *pos++ = '\0';
1219                 if (hwaddr_aton(pos, addr_buf) == 0)
1220                         addr = addr_buf;
1221         }
1222         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1223 }
1224
1225
1226 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1227                                                   char *cmd)
1228 {
1229         char *uuid = cmd, *pin;
1230         pin = os_strchr(uuid, ' ');
1231         if (pin == NULL)
1232                 return -1;
1233         *pin++ = '\0';
1234         return wpas_wps_er_learn(wpa_s, uuid, pin);
1235 }
1236
1237
1238 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1239         struct wpa_supplicant *wpa_s, char *cmd)
1240 {
1241         char *uuid = cmd, *id;
1242         id = os_strchr(uuid, ' ');
1243         if (id == NULL)
1244                 return -1;
1245         *id++ = '\0';
1246         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1247 }
1248
1249
1250 static int wpa_supplicant_ctrl_iface_wps_er_config(
1251         struct wpa_supplicant *wpa_s, char *cmd)
1252 {
1253         char *pin;
1254         char *new_ssid;
1255         char *new_auth;
1256         char *new_encr;
1257         char *new_key;
1258         struct wps_new_ap_settings ap;
1259
1260         pin = os_strchr(cmd, ' ');
1261         if (pin == NULL)
1262                 return -1;
1263         *pin++ = '\0';
1264
1265         new_ssid = os_strchr(pin, ' ');
1266         if (new_ssid == NULL)
1267                 return -1;
1268         *new_ssid++ = '\0';
1269
1270         new_auth = os_strchr(new_ssid, ' ');
1271         if (new_auth == NULL)
1272                 return -1;
1273         *new_auth++ = '\0';
1274
1275         new_encr = os_strchr(new_auth, ' ');
1276         if (new_encr == NULL)
1277                 return -1;
1278         *new_encr++ = '\0';
1279
1280         new_key = os_strchr(new_encr, ' ');
1281         if (new_key == NULL)
1282                 return -1;
1283         *new_key++ = '\0';
1284
1285         os_memset(&ap, 0, sizeof(ap));
1286         ap.ssid_hex = new_ssid;
1287         ap.auth = new_auth;
1288         ap.encr = new_encr;
1289         ap.key_hex = new_key;
1290         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1291 }
1292
1293
1294 #ifdef CONFIG_WPS_NFC
1295 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1296         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1297 {
1298         int ndef;
1299         struct wpabuf *buf;
1300         int res;
1301         char *uuid;
1302
1303         uuid = os_strchr(cmd, ' ');
1304         if (uuid == NULL)
1305                 return -1;
1306         *uuid++ = '\0';
1307
1308         if (os_strcmp(cmd, "WPS") == 0)
1309                 ndef = 0;
1310         else if (os_strcmp(cmd, "NDEF") == 0)
1311                 ndef = 1;
1312         else
1313                 return -1;
1314
1315         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1316         if (buf == NULL)
1317                 return -1;
1318
1319         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1320                                          wpabuf_len(buf));
1321         reply[res++] = '\n';
1322         reply[res] = '\0';
1323
1324         wpabuf_free(buf);
1325
1326         return res;
1327 }
1328 #endif /* CONFIG_WPS_NFC */
1329 #endif /* CONFIG_WPS_ER */
1330
1331 #endif /* CONFIG_WPS */
1332
1333
1334 #ifdef CONFIG_IBSS_RSN
1335 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1336         struct wpa_supplicant *wpa_s, char *addr)
1337 {
1338         u8 peer[ETH_ALEN];
1339
1340         if (hwaddr_aton(addr, peer)) {
1341                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1342                            "address '%s'", addr);
1343                 return -1;
1344         }
1345
1346         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1347                    MAC2STR(peer));
1348
1349         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1350 }
1351 #endif /* CONFIG_IBSS_RSN */
1352
1353
1354 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1355                                               char *rsp)
1356 {
1357 #ifdef IEEE8021X_EAPOL
1358         char *pos, *id_pos;
1359         int id;
1360         struct wpa_ssid *ssid;
1361
1362         pos = os_strchr(rsp, '-');
1363         if (pos == NULL)
1364                 return -1;
1365         *pos++ = '\0';
1366         id_pos = pos;
1367         pos = os_strchr(pos, ':');
1368         if (pos == NULL)
1369                 return -1;
1370         *pos++ = '\0';
1371         id = atoi(id_pos);
1372         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1373         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1374                               (u8 *) pos, os_strlen(pos));
1375
1376         ssid = wpa_config_get_network(wpa_s->conf, id);
1377         if (ssid == NULL) {
1378                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1379                            "to update", id);
1380                 return -1;
1381         }
1382
1383         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1384                                                          pos);
1385 #else /* IEEE8021X_EAPOL */
1386         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1387         return -1;
1388 #endif /* IEEE8021X_EAPOL */
1389 }
1390
1391
1392 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1393                                             const char *params,
1394                                             char *buf, size_t buflen)
1395 {
1396         char *pos, *end, tmp[30];
1397         int res, verbose, wps, ret;
1398
1399         verbose = os_strcmp(params, "-VERBOSE") == 0;
1400         wps = os_strcmp(params, "-WPS") == 0;
1401         pos = buf;
1402         end = buf + buflen;
1403         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1404                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1405                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1406                                   MAC2STR(wpa_s->bssid));
1407                 if (ret < 0 || ret >= end - pos)
1408                         return pos - buf;
1409                 pos += ret;
1410                 if (ssid) {
1411                         u8 *_ssid = ssid->ssid;
1412                         size_t ssid_len = ssid->ssid_len;
1413                         u8 ssid_buf[MAX_SSID_LEN];
1414                         if (ssid_len == 0) {
1415                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1416                                 if (_res < 0)
1417                                         ssid_len = 0;
1418                                 else
1419                                         ssid_len = _res;
1420                                 _ssid = ssid_buf;
1421                         }
1422                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1423                                           wpa_ssid_txt(_ssid, ssid_len),
1424                                           ssid->id);
1425                         if (ret < 0 || ret >= end - pos)
1426                                 return pos - buf;
1427                         pos += ret;
1428
1429                         if (wps && ssid->passphrase &&
1430                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1431                             (ssid->mode == WPAS_MODE_AP ||
1432                              ssid->mode == WPAS_MODE_P2P_GO)) {
1433                                 ret = os_snprintf(pos, end - pos,
1434                                                   "passphrase=%s\n",
1435                                                   ssid->passphrase);
1436                                 if (ret < 0 || ret >= end - pos)
1437                                         return pos - buf;
1438                                 pos += ret;
1439                         }
1440                         if (ssid->id_str) {
1441                                 ret = os_snprintf(pos, end - pos,
1442                                                   "id_str=%s\n",
1443                                                   ssid->id_str);
1444                                 if (ret < 0 || ret >= end - pos)
1445                                         return pos - buf;
1446                                 pos += ret;
1447                         }
1448
1449                         switch (ssid->mode) {
1450                         case WPAS_MODE_INFRA:
1451                                 ret = os_snprintf(pos, end - pos,
1452                                                   "mode=station\n");
1453                                 break;
1454                         case WPAS_MODE_IBSS:
1455                                 ret = os_snprintf(pos, end - pos,
1456                                                   "mode=IBSS\n");
1457                                 break;
1458                         case WPAS_MODE_AP:
1459                                 ret = os_snprintf(pos, end - pos,
1460                                                   "mode=AP\n");
1461                                 break;
1462                         case WPAS_MODE_P2P_GO:
1463                                 ret = os_snprintf(pos, end - pos,
1464                                                   "mode=P2P GO\n");
1465                                 break;
1466                         case WPAS_MODE_P2P_GROUP_FORMATION:
1467                                 ret = os_snprintf(pos, end - pos,
1468                                                   "mode=P2P GO - group "
1469                                                   "formation\n");
1470                                 break;
1471                         default:
1472                                 ret = 0;
1473                                 break;
1474                         }
1475                         if (ret < 0 || ret >= end - pos)
1476                                 return pos - buf;
1477                         pos += ret;
1478                 }
1479
1480 #ifdef CONFIG_AP
1481                 if (wpa_s->ap_iface) {
1482                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1483                                                             end - pos,
1484                                                             verbose);
1485                 } else
1486 #endif /* CONFIG_AP */
1487                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1488         }
1489 #ifdef CONFIG_SAE
1490         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1491             wpa_s->sme.sae.state == SAE_ACCEPTED && !wpa_s->ap_iface) {
1492                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1493                                   wpa_s->sme.sae.group);
1494                 if (ret < 0 || ret >= end - pos)
1495                         return pos - buf;
1496                 pos += ret;
1497         }
1498 #endif /* CONFIG_SAE */
1499         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1500                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1501         if (ret < 0 || ret >= end - pos)
1502                 return pos - buf;
1503         pos += ret;
1504
1505         if (wpa_s->l2 &&
1506             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1507                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1508                 if (ret < 0 || ret >= end - pos)
1509                         return pos - buf;
1510                 pos += ret;
1511         }
1512
1513 #ifdef CONFIG_P2P
1514         if (wpa_s->global->p2p) {
1515                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1516                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1517                 if (ret < 0 || ret >= end - pos)
1518                         return pos - buf;
1519                 pos += ret;
1520         }
1521 #endif /* CONFIG_P2P */
1522
1523         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1524                           MAC2STR(wpa_s->own_addr));
1525         if (ret < 0 || ret >= end - pos)
1526                 return pos - buf;
1527         pos += ret;
1528
1529 #ifdef CONFIG_HS20
1530         if (wpa_s->current_bss &&
1531             wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE) &&
1532             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1533             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1534                 ret = os_snprintf(pos, end - pos, "hs20=1\n");
1535                 if (ret < 0 || ret >= end - pos)
1536                         return pos - buf;
1537                 pos += ret;
1538         }
1539
1540         if (wpa_s->current_ssid) {
1541                 struct wpa_cred *cred;
1542                 char *type;
1543
1544                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1545                         if (wpa_s->current_ssid->parent_cred != cred)
1546                                 continue;
1547                         if (!cred->domain)
1548                                 continue;
1549
1550                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1551                                           cred->domain);
1552                         if (ret < 0 || ret >= end - pos)
1553                                 return pos - buf;
1554                         pos += ret;
1555
1556                         if (wpa_s->current_bss == NULL ||
1557                             wpa_s->current_bss->anqp == NULL)
1558                                 res = -1;
1559                         else
1560                                 res = interworking_home_sp_cred(
1561                                         wpa_s, cred,
1562                                         wpa_s->current_bss->anqp->domain_name);
1563                         if (res > 0)
1564                                 type = "home";
1565                         else if (res == 0)
1566                                 type = "roaming";
1567                         else
1568                                 type = "unknown";
1569
1570                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1571                         if (ret < 0 || ret >= end - pos)
1572                                 return pos - buf;
1573                         pos += ret;
1574
1575                         break;
1576                 }
1577         }
1578 #endif /* CONFIG_HS20 */
1579
1580         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1581             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1582                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1583                                           verbose);
1584                 if (res >= 0)
1585                         pos += res;
1586         }
1587
1588         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1589         if (res >= 0)
1590                 pos += res;
1591
1592         return pos - buf;
1593 }
1594
1595
1596 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1597                                            char *cmd)
1598 {
1599         char *pos;
1600         int id;
1601         struct wpa_ssid *ssid;
1602         u8 bssid[ETH_ALEN];
1603
1604         /* cmd: "<network id> <BSSID>" */
1605         pos = os_strchr(cmd, ' ');
1606         if (pos == NULL)
1607                 return -1;
1608         *pos++ = '\0';
1609         id = atoi(cmd);
1610         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1611         if (hwaddr_aton(pos, bssid)) {
1612                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1613                 return -1;
1614         }
1615
1616         ssid = wpa_config_get_network(wpa_s->conf, id);
1617         if (ssid == NULL) {
1618                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1619                            "to update", id);
1620                 return -1;
1621         }
1622
1623         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1624         ssid->bssid_set = !is_zero_ether_addr(bssid);
1625
1626         return 0;
1627 }
1628
1629
1630 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1631                                                char *cmd, char *buf,
1632                                                size_t buflen)
1633 {
1634         u8 bssid[ETH_ALEN];
1635         struct wpa_blacklist *e;
1636         char *pos, *end;
1637         int ret;
1638
1639         /* cmd: "BLACKLIST [<BSSID>]" */
1640         if (*cmd == '\0') {
1641                 pos = buf;
1642                 end = buf + buflen;
1643                 e = wpa_s->blacklist;
1644                 while (e) {
1645                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1646                                           MAC2STR(e->bssid));
1647                         if (ret < 0 || ret >= end - pos)
1648                                 return pos - buf;
1649                         pos += ret;
1650                         e = e->next;
1651                 }
1652                 return pos - buf;
1653         }
1654
1655         cmd++;
1656         if (os_strncmp(cmd, "clear", 5) == 0) {
1657                 wpa_blacklist_clear(wpa_s);
1658                 os_memcpy(buf, "OK\n", 3);
1659                 return 3;
1660         }
1661
1662         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1663         if (hwaddr_aton(cmd, bssid)) {
1664                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1665                 return -1;
1666         }
1667
1668         /*
1669          * Add the BSSID twice, so its count will be 2, causing it to be
1670          * skipped when processing scan results.
1671          */
1672         ret = wpa_blacklist_add(wpa_s, bssid);
1673         if (ret != 0)
1674                 return -1;
1675         ret = wpa_blacklist_add(wpa_s, bssid);
1676         if (ret != 0)
1677                 return -1;
1678         os_memcpy(buf, "OK\n", 3);
1679         return 3;
1680 }
1681
1682
1683 extern int wpa_debug_level;
1684 extern int wpa_debug_timestamp;
1685
1686 static const char * debug_level_str(int level)
1687 {
1688         switch (level) {
1689         case MSG_EXCESSIVE:
1690                 return "EXCESSIVE";
1691         case MSG_MSGDUMP:
1692                 return "MSGDUMP";
1693         case MSG_DEBUG:
1694                 return "DEBUG";
1695         case MSG_INFO:
1696                 return "INFO";
1697         case MSG_WARNING:
1698                 return "WARNING";
1699         case MSG_ERROR:
1700                 return "ERROR";
1701         default:
1702                 return "?";
1703         }
1704 }
1705
1706
1707 static int str_to_debug_level(const char *s)
1708 {
1709         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1710                 return MSG_EXCESSIVE;
1711         if (os_strcasecmp(s, "MSGDUMP") == 0)
1712                 return MSG_MSGDUMP;
1713         if (os_strcasecmp(s, "DEBUG") == 0)
1714                 return MSG_DEBUG;
1715         if (os_strcasecmp(s, "INFO") == 0)
1716                 return MSG_INFO;
1717         if (os_strcasecmp(s, "WARNING") == 0)
1718                 return MSG_WARNING;
1719         if (os_strcasecmp(s, "ERROR") == 0)
1720                 return MSG_ERROR;
1721         return -1;
1722 }
1723
1724
1725 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1726                                                char *cmd, char *buf,
1727                                                size_t buflen)
1728 {
1729         char *pos, *end, *stamp;
1730         int ret;
1731
1732         if (cmd == NULL) {
1733                 return -1;
1734         }
1735
1736         /* cmd: "LOG_LEVEL [<level>]" */
1737         if (*cmd == '\0') {
1738                 pos = buf;
1739                 end = buf + buflen;
1740                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1741                                   "Timestamp: %d\n",
1742                                   debug_level_str(wpa_debug_level),
1743                                   wpa_debug_timestamp);
1744                 if (ret < 0 || ret >= end - pos)
1745                         ret = 0;
1746
1747                 return ret;
1748         }
1749
1750         while (*cmd == ' ')
1751                 cmd++;
1752
1753         stamp = os_strchr(cmd, ' ');
1754         if (stamp) {
1755                 *stamp++ = '\0';
1756                 while (*stamp == ' ') {
1757                         stamp++;
1758                 }
1759         }
1760
1761         if (cmd && os_strlen(cmd)) {
1762                 int level = str_to_debug_level(cmd);
1763                 if (level < 0)
1764                         return -1;
1765                 wpa_debug_level = level;
1766         }
1767
1768         if (stamp && os_strlen(stamp))
1769                 wpa_debug_timestamp = atoi(stamp);
1770
1771         os_memcpy(buf, "OK\n", 3);
1772         return 3;
1773 }
1774
1775
1776 static int wpa_supplicant_ctrl_iface_list_networks(
1777         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1778 {
1779         char *pos, *end;
1780         struct wpa_ssid *ssid;
1781         int ret;
1782
1783         pos = buf;
1784         end = buf + buflen;
1785         ret = os_snprintf(pos, end - pos,
1786                           "network id / ssid / bssid / flags\n");
1787         if (ret < 0 || ret >= end - pos)
1788                 return pos - buf;
1789         pos += ret;
1790
1791         ssid = wpa_s->conf->ssid;
1792         while (ssid) {
1793                 ret = os_snprintf(pos, end - pos, "%d\t%s",
1794                                   ssid->id,
1795                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1796                 if (ret < 0 || ret >= end - pos)
1797                         return pos - buf;
1798                 pos += ret;
1799                 if (ssid->bssid_set) {
1800                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1801                                           MAC2STR(ssid->bssid));
1802                 } else {
1803                         ret = os_snprintf(pos, end - pos, "\tany");
1804                 }
1805                 if (ret < 0 || ret >= end - pos)
1806                         return pos - buf;
1807                 pos += ret;
1808                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
1809                                   ssid == wpa_s->current_ssid ?
1810                                   "[CURRENT]" : "",
1811                                   ssid->disabled ? "[DISABLED]" : "",
1812                                   ssid->disabled_until.sec ?
1813                                   "[TEMP-DISABLED]" : "",
1814                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1815                                   "");
1816                 if (ret < 0 || ret >= end - pos)
1817                         return pos - buf;
1818                 pos += ret;
1819                 ret = os_snprintf(pos, end - pos, "\n");
1820                 if (ret < 0 || ret >= end - pos)
1821                         return pos - buf;
1822                 pos += ret;
1823
1824                 ssid = ssid->next;
1825         }
1826
1827         return pos - buf;
1828 }
1829
1830
1831 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1832 {
1833         int ret;
1834         ret = os_snprintf(pos, end - pos, "-");
1835         if (ret < 0 || ret >= end - pos)
1836                 return pos;
1837         pos += ret;
1838         ret = wpa_write_ciphers(pos, end, cipher, "+");
1839         if (ret < 0)
1840                 return pos;
1841         pos += ret;
1842         return pos;
1843 }
1844
1845
1846 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1847                                     const u8 *ie, size_t ie_len)
1848 {
1849         struct wpa_ie_data data;
1850         int first, ret;
1851
1852         ret = os_snprintf(pos, end - pos, "[%s-", proto);
1853         if (ret < 0 || ret >= end - pos)
1854                 return pos;
1855         pos += ret;
1856
1857         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1858                 ret = os_snprintf(pos, end - pos, "?]");
1859                 if (ret < 0 || ret >= end - pos)
1860                         return pos;
1861                 pos += ret;
1862                 return pos;
1863         }
1864
1865         first = 1;
1866         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1867                 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1868                 if (ret < 0 || ret >= end - pos)
1869                         return pos;
1870                 pos += ret;
1871                 first = 0;
1872         }
1873         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1874                 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1875                 if (ret < 0 || ret >= end - pos)
1876                         return pos;
1877                 pos += ret;
1878                 first = 0;
1879         }
1880         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1881                 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1882                 if (ret < 0 || ret >= end - pos)
1883                         return pos;
1884                 pos += ret;
1885                 first = 0;
1886         }
1887 #ifdef CONFIG_IEEE80211R
1888         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1889                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1890                                   first ? "" : "+");
1891                 if (ret < 0 || ret >= end - pos)
1892                         return pos;
1893                 pos += ret;
1894                 first = 0;
1895         }
1896         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1897                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1898                                   first ? "" : "+");
1899                 if (ret < 0 || ret >= end - pos)
1900                         return pos;
1901                 pos += ret;
1902                 first = 0;
1903         }
1904 #endif /* CONFIG_IEEE80211R */
1905 #ifdef CONFIG_IEEE80211W
1906         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1907                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1908                                   first ? "" : "+");
1909                 if (ret < 0 || ret >= end - pos)
1910                         return pos;
1911                 pos += ret;
1912                 first = 0;
1913         }
1914         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1915                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1916                                   first ? "" : "+");
1917                 if (ret < 0 || ret >= end - pos)
1918                         return pos;
1919                 pos += ret;
1920                 first = 0;
1921         }
1922 #endif /* CONFIG_IEEE80211W */
1923
1924         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1925
1926         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1927                 ret = os_snprintf(pos, end - pos, "-preauth");
1928                 if (ret < 0 || ret >= end - pos)
1929                         return pos;
1930                 pos += ret;
1931         }
1932
1933         ret = os_snprintf(pos, end - pos, "]");
1934         if (ret < 0 || ret >= end - pos)
1935                 return pos;
1936         pos += ret;
1937
1938         return pos;
1939 }
1940
1941
1942 #ifdef CONFIG_WPS
1943 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
1944                                             char *pos, char *end,
1945                                             struct wpabuf *wps_ie)
1946 {
1947         int ret;
1948         const char *txt;
1949
1950         if (wps_ie == NULL)
1951                 return pos;
1952         if (wps_is_selected_pbc_registrar(wps_ie))
1953                 txt = "[WPS-PBC]";
1954 #ifdef CONFIG_WPS2
1955         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
1956                 txt = "[WPS-AUTH]";
1957 #endif /* CONFIG_WPS2 */
1958         else if (wps_is_selected_pin_registrar(wps_ie))
1959                 txt = "[WPS-PIN]";
1960         else
1961                 txt = "[WPS]";
1962
1963         ret = os_snprintf(pos, end - pos, "%s", txt);
1964         if (ret >= 0 && ret < end - pos)
1965                 pos += ret;
1966         wpabuf_free(wps_ie);
1967         return pos;
1968 }
1969 #endif /* CONFIG_WPS */
1970
1971
1972 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
1973                                         char *pos, char *end,
1974                                         const struct wpa_bss *bss)
1975 {
1976 #ifdef CONFIG_WPS
1977         struct wpabuf *wps_ie;
1978         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1979         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
1980 #else /* CONFIG_WPS */
1981         return pos;
1982 #endif /* CONFIG_WPS */
1983 }
1984
1985
1986 /* Format one result on one text line into a buffer. */
1987 static int wpa_supplicant_ctrl_iface_scan_result(
1988         struct wpa_supplicant *wpa_s,
1989         const struct wpa_bss *bss, char *buf, size_t buflen)
1990 {
1991         char *pos, *end;
1992         int ret;
1993         const u8 *ie, *ie2, *p2p;
1994
1995         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
1996         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
1997             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
1998             0)
1999                 return 0; /* Do not show P2P listen discovery results here */
2000
2001         pos = buf;
2002         end = buf + buflen;
2003
2004         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2005                           MAC2STR(bss->bssid), bss->freq, bss->level);
2006         if (ret < 0 || ret >= end - pos)
2007                 return -1;
2008         pos += ret;
2009         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2010         if (ie)
2011                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2012         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2013         if (ie2)
2014                 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
2015         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2016         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2017                 ret = os_snprintf(pos, end - pos, "[WEP]");
2018                 if (ret < 0 || ret >= end - pos)
2019                         return -1;
2020                 pos += ret;
2021         }
2022         if (bss->caps & IEEE80211_CAP_IBSS) {
2023                 ret = os_snprintf(pos, end - pos, "[IBSS]");
2024                 if (ret < 0 || ret >= end - pos)
2025                         return -1;
2026                 pos += ret;
2027         }
2028         if (bss->caps & IEEE80211_CAP_ESS) {
2029                 ret = os_snprintf(pos, end - pos, "[ESS]");
2030                 if (ret < 0 || ret >= end - pos)
2031                         return -1;
2032                 pos += ret;
2033         }
2034         if (p2p) {
2035                 ret = os_snprintf(pos, end - pos, "[P2P]");
2036                 if (ret < 0 || ret >= end - pos)
2037                         return -1;
2038                 pos += ret;
2039         }
2040 #ifdef CONFIG_HS20
2041         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2042                 ret = os_snprintf(pos, end - pos, "[HS20]");
2043                 if (ret < 0 || ret >= end - pos)
2044                         return -1;
2045                 pos += ret;
2046         }
2047 #endif /* CONFIG_HS20 */
2048
2049         ret = os_snprintf(pos, end - pos, "\t%s",
2050                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2051         if (ret < 0 || ret >= end - pos)
2052                 return -1;
2053         pos += ret;
2054
2055         ret = os_snprintf(pos, end - pos, "\n");
2056         if (ret < 0 || ret >= end - pos)
2057                 return -1;
2058         pos += ret;
2059
2060         return pos - buf;
2061 }
2062
2063
2064 static int wpa_supplicant_ctrl_iface_scan_results(
2065         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2066 {
2067         char *pos, *end;
2068         struct wpa_bss *bss;
2069         int ret;
2070
2071         pos = buf;
2072         end = buf + buflen;
2073         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2074                           "flags / ssid\n");
2075         if (ret < 0 || ret >= end - pos)
2076                 return pos - buf;
2077         pos += ret;
2078
2079         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2080                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2081                                                             end - pos);
2082                 if (ret < 0 || ret >= end - pos)
2083                         return pos - buf;
2084                 pos += ret;
2085         }
2086
2087         return pos - buf;
2088 }
2089
2090
2091 static int wpa_supplicant_ctrl_iface_select_network(
2092         struct wpa_supplicant *wpa_s, char *cmd)
2093 {
2094         int id;
2095         struct wpa_ssid *ssid;
2096
2097         /* cmd: "<network id>" or "any" */
2098         if (os_strcmp(cmd, "any") == 0) {
2099                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2100                 ssid = NULL;
2101         } else {
2102                 id = atoi(cmd);
2103                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2104
2105                 ssid = wpa_config_get_network(wpa_s->conf, id);
2106                 if (ssid == NULL) {
2107                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2108                                    "network id=%d", id);
2109                         return -1;
2110                 }
2111                 if (ssid->disabled == 2) {
2112                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2113                                    "SELECT_NETWORK with persistent P2P group");
2114                         return -1;
2115                 }
2116         }
2117
2118         wpa_supplicant_select_network(wpa_s, ssid);
2119
2120         return 0;
2121 }
2122
2123
2124 static int wpa_supplicant_ctrl_iface_enable_network(
2125         struct wpa_supplicant *wpa_s, char *cmd)
2126 {
2127         int id;
2128         struct wpa_ssid *ssid;
2129
2130         /* cmd: "<network id>" or "all" */
2131         if (os_strcmp(cmd, "all") == 0) {
2132                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2133                 ssid = NULL;
2134         } else {
2135                 id = atoi(cmd);
2136                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2137
2138                 ssid = wpa_config_get_network(wpa_s->conf, id);
2139                 if (ssid == NULL) {
2140                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2141                                    "network id=%d", id);
2142                         return -1;
2143                 }
2144                 if (ssid->disabled == 2) {
2145                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2146                                    "ENABLE_NETWORK with persistent P2P group");
2147                         return -1;
2148                 }
2149
2150                 if (os_strstr(cmd, " no-connect")) {
2151                         ssid->disabled = 0;
2152                         return 0;
2153                 }
2154         }
2155         wpa_supplicant_enable_network(wpa_s, ssid);
2156
2157         return 0;
2158 }
2159
2160
2161 static int wpa_supplicant_ctrl_iface_disable_network(
2162         struct wpa_supplicant *wpa_s, char *cmd)
2163 {
2164         int id;
2165         struct wpa_ssid *ssid;
2166
2167         /* cmd: "<network id>" or "all" */
2168         if (os_strcmp(cmd, "all") == 0) {
2169                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2170                 ssid = NULL;
2171         } else {
2172                 id = atoi(cmd);
2173                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2174
2175                 ssid = wpa_config_get_network(wpa_s->conf, id);
2176                 if (ssid == NULL) {
2177                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2178                                    "network id=%d", id);
2179                         return -1;
2180                 }
2181                 if (ssid->disabled == 2) {
2182                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2183                                    "DISABLE_NETWORK with persistent P2P "
2184                                    "group");
2185                         return -1;
2186                 }
2187         }
2188         wpa_supplicant_disable_network(wpa_s, ssid);
2189
2190         return 0;
2191 }
2192
2193
2194 static int wpa_supplicant_ctrl_iface_add_network(
2195         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2196 {
2197         struct wpa_ssid *ssid;
2198         int ret;
2199
2200         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2201
2202         ssid = wpa_config_add_network(wpa_s->conf);
2203         if (ssid == NULL)
2204                 return -1;
2205
2206         wpas_notify_network_added(wpa_s, ssid);
2207
2208         ssid->disabled = 1;
2209         wpa_config_set_network_defaults(ssid);
2210
2211         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2212         if (ret < 0 || (size_t) ret >= buflen)
2213                 return -1;
2214         return ret;
2215 }
2216
2217
2218 static int wpa_supplicant_ctrl_iface_remove_network(
2219         struct wpa_supplicant *wpa_s, char *cmd)
2220 {
2221         int id;
2222         struct wpa_ssid *ssid;
2223         int was_disabled;
2224
2225         /* cmd: "<network id>" or "all" */
2226         if (os_strcmp(cmd, "all") == 0) {
2227                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2228                 if (wpa_s->sched_scanning)
2229                         wpa_supplicant_cancel_sched_scan(wpa_s);
2230
2231                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2232                 if (wpa_s->current_ssid) {
2233 #ifdef CONFIG_SME
2234                         wpa_s->sme.prev_bssid_set = 0;
2235 #endif /* CONFIG_SME */
2236                         wpa_sm_set_config(wpa_s->wpa, NULL);
2237                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2238                         wpa_supplicant_deauthenticate(
2239                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2240                 }
2241                 ssid = wpa_s->conf->ssid;
2242                 while (ssid) {
2243                         struct wpa_ssid *remove_ssid = ssid;
2244                         id = ssid->id;
2245                         ssid = ssid->next;
2246                         wpas_notify_network_removed(wpa_s, remove_ssid);
2247                         wpa_config_remove_network(wpa_s->conf, id);
2248                 }
2249                 return 0;
2250         }
2251
2252         id = atoi(cmd);
2253         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2254
2255         ssid = wpa_config_get_network(wpa_s->conf, id);
2256         if (ssid)
2257                 wpas_notify_network_removed(wpa_s, ssid);
2258         if (ssid == NULL) {
2259                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2260                            "id=%d", id);
2261                 return -1;
2262         }
2263
2264         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2265 #ifdef CONFIG_SME
2266                 wpa_s->sme.prev_bssid_set = 0;
2267 #endif /* CONFIG_SME */
2268                 /*
2269                  * Invalidate the EAP session cache if the current or
2270                  * previously used network is removed.
2271                  */
2272                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2273         }
2274
2275         if (ssid == wpa_s->current_ssid) {
2276                 wpa_sm_set_config(wpa_s->wpa, NULL);
2277                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2278
2279                 wpa_supplicant_deauthenticate(wpa_s,
2280                                               WLAN_REASON_DEAUTH_LEAVING);
2281         }
2282
2283         was_disabled = ssid->disabled;
2284
2285         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2286                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2287                            "network id=%d", id);
2288                 return -1;
2289         }
2290
2291         if (!was_disabled && wpa_s->sched_scanning) {
2292                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2293                            "network from filters");
2294                 wpa_supplicant_cancel_sched_scan(wpa_s);
2295                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2296         }
2297
2298         return 0;
2299 }
2300
2301
2302 static int wpa_supplicant_ctrl_iface_set_network(
2303         struct wpa_supplicant *wpa_s, char *cmd)
2304 {
2305         int id;
2306         struct wpa_ssid *ssid;
2307         char *name, *value;
2308
2309         /* cmd: "<network id> <variable name> <value>" */
2310         name = os_strchr(cmd, ' ');
2311         if (name == NULL)
2312                 return -1;
2313         *name++ = '\0';
2314
2315         value = os_strchr(name, ' ');
2316         if (value == NULL)
2317                 return -1;
2318         *value++ = '\0';
2319
2320         id = atoi(cmd);
2321         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2322                    id, name);
2323         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2324                               (u8 *) value, os_strlen(value));
2325
2326         ssid = wpa_config_get_network(wpa_s->conf, id);
2327         if (ssid == NULL) {
2328                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2329                            "id=%d", id);
2330                 return -1;
2331         }
2332
2333         if (wpa_config_set(ssid, name, value, 0) < 0) {
2334                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2335                            "variable '%s'", name);
2336                 return -1;
2337         }
2338
2339         if (os_strcmp(name, "bssid") != 0 &&
2340             os_strcmp(name, "priority") != 0)
2341                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2342
2343         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2344                 /*
2345                  * Invalidate the EAP session cache if anything in the current
2346                  * or previously used configuration changes.
2347                  */
2348                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2349         }
2350
2351         if ((os_strcmp(name, "psk") == 0 &&
2352              value[0] == '"' && ssid->ssid_len) ||
2353             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2354                 wpa_config_update_psk(ssid);
2355         else if (os_strcmp(name, "priority") == 0)
2356                 wpa_config_update_prio_list(wpa_s->conf);
2357
2358         return 0;
2359 }
2360
2361
2362 static int wpa_supplicant_ctrl_iface_get_network(
2363         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2364 {
2365         int id;
2366         size_t res;
2367         struct wpa_ssid *ssid;
2368         char *name, *value;
2369
2370         /* cmd: "<network id> <variable name>" */
2371         name = os_strchr(cmd, ' ');
2372         if (name == NULL || buflen == 0)
2373                 return -1;
2374         *name++ = '\0';
2375
2376         id = atoi(cmd);
2377         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2378                    id, name);
2379
2380         ssid = wpa_config_get_network(wpa_s->conf, id);
2381         if (ssid == NULL) {
2382                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2383                            "id=%d", id);
2384                 return -1;
2385         }
2386
2387         value = wpa_config_get_no_key(ssid, name);
2388         if (value == NULL) {
2389                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2390                            "variable '%s'", name);
2391                 return -1;
2392         }
2393
2394         res = os_strlcpy(buf, value, buflen);
2395         if (res >= buflen) {
2396                 os_free(value);
2397                 return -1;
2398         }
2399
2400         os_free(value);
2401
2402         return res;
2403 }
2404
2405
2406 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2407                                                 char *buf, size_t buflen)
2408 {
2409         char *pos, *end;
2410         struct wpa_cred *cred;
2411         int ret;
2412
2413         pos = buf;
2414         end = buf + buflen;
2415         ret = os_snprintf(pos, end - pos,
2416                           "cred id / realm / username / domain / imsi\n");
2417         if (ret < 0 || ret >= end - pos)
2418                 return pos - buf;
2419         pos += ret;
2420
2421         cred = wpa_s->conf->cred;
2422         while (cred) {
2423                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2424                                   cred->id, cred->realm ? cred->realm : "",
2425                                   cred->username ? cred->username : "",
2426                                   cred->domain ? cred->domain : "",
2427                                   cred->imsi ? cred->imsi : "");
2428                 if (ret < 0 || ret >= end - pos)
2429                         return pos - buf;
2430                 pos += ret;
2431
2432                 cred = cred->next;
2433         }
2434
2435         return pos - buf;
2436 }
2437
2438
2439 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2440                                               char *buf, size_t buflen)
2441 {
2442         struct wpa_cred *cred;
2443         int ret;
2444
2445         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2446
2447         cred = wpa_config_add_cred(wpa_s->conf);
2448         if (cred == NULL)
2449                 return -1;
2450
2451         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2452         if (ret < 0 || (size_t) ret >= buflen)
2453                 return -1;
2454         return ret;
2455 }
2456
2457
2458 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2459                                  struct wpa_cred *cred)
2460 {
2461         struct wpa_ssid *ssid;
2462         char str[20];
2463
2464         if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2465                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2466                 return -1;
2467         }
2468
2469         /* Remove any network entry created based on the removed credential */
2470         ssid = wpa_s->conf->ssid;
2471         while (ssid) {
2472                 if (ssid->parent_cred == cred) {
2473                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2474                                    "used the removed credential", ssid->id);
2475                         os_snprintf(str, sizeof(str), "%d", ssid->id);
2476                         ssid = ssid->next;
2477                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2478                 } else
2479                         ssid = ssid->next;
2480         }
2481
2482         return 0;
2483 }
2484
2485
2486 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2487                                                  char *cmd)
2488 {
2489         int id;
2490         struct wpa_cred *cred, *prev;
2491
2492         /* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2493         if (os_strcmp(cmd, "all") == 0) {
2494                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2495                 cred = wpa_s->conf->cred;
2496                 while (cred) {
2497                         prev = cred;
2498                         cred = cred->next;
2499                         wpas_ctrl_remove_cred(wpa_s, prev);
2500                 }
2501                 return 0;
2502         }
2503
2504         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2505                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2506                            cmd + 8);
2507                 cred = wpa_s->conf->cred;
2508                 while (cred) {
2509                         prev = cred;
2510                         cred = cred->next;
2511                         if (prev->domain &&
2512                             os_strcmp(prev->domain, cmd + 8) == 0)
2513                                 wpas_ctrl_remove_cred(wpa_s, prev);
2514                 }
2515                 return 0;
2516         }
2517
2518         id = atoi(cmd);
2519         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2520
2521         cred = wpa_config_get_cred(wpa_s->conf, id);
2522         return wpas_ctrl_remove_cred(wpa_s, cred);
2523 }
2524
2525
2526 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2527                                               char *cmd)
2528 {
2529         int id;
2530         struct wpa_cred *cred;
2531         char *name, *value;
2532
2533         /* cmd: "<cred id> <variable name> <value>" */
2534         name = os_strchr(cmd, ' ');
2535         if (name == NULL)
2536                 return -1;
2537         *name++ = '\0';
2538
2539         value = os_strchr(name, ' ');
2540         if (value == NULL)
2541                 return -1;
2542         *value++ = '\0';
2543
2544         id = atoi(cmd);
2545         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2546                    id, name);
2547         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2548                               (u8 *) value, os_strlen(value));
2549
2550         cred = wpa_config_get_cred(wpa_s->conf, id);
2551         if (cred == NULL) {
2552                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2553                            id);
2554                 return -1;
2555         }
2556
2557         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2558                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2559                            "variable '%s'", name);
2560                 return -1;
2561         }
2562
2563         return 0;
2564 }
2565
2566
2567 #ifndef CONFIG_NO_CONFIG_WRITE
2568 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2569 {
2570         int ret;
2571
2572         if (!wpa_s->conf->update_config) {
2573                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2574                            "to update configuration (update_config=0)");
2575                 return -1;
2576         }
2577
2578         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2579         if (ret) {
2580                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2581                            "update configuration");
2582         } else {
2583                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2584                            " updated");
2585         }
2586
2587         return ret;
2588 }
2589 #endif /* CONFIG_NO_CONFIG_WRITE */
2590
2591
2592 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2593                                               struct wpa_driver_capa *capa,
2594                                               char *buf, size_t buflen)
2595 {
2596         int ret, first = 1;
2597         char *pos, *end;
2598         size_t len;
2599
2600         pos = buf;
2601         end = pos + buflen;
2602
2603         if (res < 0) {
2604                 if (strict)
2605                         return 0;
2606                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2607                 if (len >= buflen)
2608                         return -1;
2609                 return len;
2610         }
2611
2612         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2613                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2614                 if (ret < 0 || ret >= end - pos)
2615                         return pos - buf;
2616                 pos += ret;
2617                 first = 0;
2618         }
2619
2620         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2621                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2622                 if (ret < 0 || ret >= end - pos)
2623                         return pos - buf;
2624                 pos += ret;
2625                 first = 0;
2626         }
2627
2628         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2629                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2630                 if (ret < 0 || ret >= end - pos)
2631                         return pos - buf;
2632                 pos += ret;
2633                 first = 0;
2634         }
2635
2636         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2637                 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
2638                 if (ret < 0 || ret >= end - pos)
2639                         return pos - buf;
2640                 pos += ret;
2641                 first = 0;
2642         }
2643
2644         return pos - buf;
2645 }
2646
2647
2648 static int ctrl_iface_get_capability_group(int res, char *strict,
2649                                            struct wpa_driver_capa *capa,
2650                                            char *buf, size_t buflen)
2651 {
2652         int ret, first = 1;
2653         char *pos, *end;
2654         size_t len;
2655
2656         pos = buf;
2657         end = pos + buflen;
2658
2659         if (res < 0) {
2660                 if (strict)
2661                         return 0;
2662                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2663                 if (len >= buflen)
2664                         return -1;
2665                 return len;
2666         }
2667
2668         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2669                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2670                 if (ret < 0 || ret >= end - pos)
2671                         return pos - buf;
2672                 pos += ret;
2673                 first = 0;
2674         }
2675
2676         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2677                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2678                 if (ret < 0 || ret >= end - pos)
2679                         return pos - buf;
2680                 pos += ret;
2681                 first = 0;
2682         }
2683
2684         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2685                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2686                 if (ret < 0 || ret >= end - pos)
2687                         return pos - buf;
2688                 pos += ret;
2689                 first = 0;
2690         }
2691
2692         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2693                 ret = os_snprintf(pos, end - pos, "%sWEP104",
2694                                   first ? "" : " ");
2695                 if (ret < 0 || ret >= end - pos)
2696                         return pos - buf;
2697                 pos += ret;
2698                 first = 0;
2699         }
2700
2701         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2702                 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
2703                 if (ret < 0 || ret >= end - pos)
2704                         return pos - buf;
2705                 pos += ret;
2706                 first = 0;
2707         }
2708
2709         return pos - buf;
2710 }
2711
2712
2713 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2714                                               struct wpa_driver_capa *capa,
2715                                               char *buf, size_t buflen)
2716 {
2717         int ret;
2718         char *pos, *end;
2719         size_t len;
2720
2721         pos = buf;
2722         end = pos + buflen;
2723
2724         if (res < 0) {
2725                 if (strict)
2726                         return 0;
2727                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2728                                  "NONE", buflen);
2729                 if (len >= buflen)
2730                         return -1;
2731                 return len;
2732         }
2733
2734         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2735         if (ret < 0 || ret >= end - pos)
2736                 return pos - buf;
2737         pos += ret;
2738
2739         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2740                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2741                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2742                 if (ret < 0 || ret >= end - pos)
2743                         return pos - buf;
2744                 pos += ret;
2745         }
2746
2747         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2748                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2749                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2750                 if (ret < 0 || ret >= end - pos)
2751                         return pos - buf;
2752                 pos += ret;
2753         }
2754
2755         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2756                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2757                 if (ret < 0 || ret >= end - pos)
2758                         return pos - buf;
2759                 pos += ret;
2760         }
2761
2762         return pos - buf;
2763 }
2764
2765
2766 static int ctrl_iface_get_capability_proto(int res, char *strict,
2767                                            struct wpa_driver_capa *capa,
2768                                            char *buf, size_t buflen)
2769 {
2770         int ret, first = 1;
2771         char *pos, *end;
2772         size_t len;
2773
2774         pos = buf;
2775         end = pos + buflen;
2776
2777         if (res < 0) {
2778                 if (strict)
2779                         return 0;
2780                 len = os_strlcpy(buf, "RSN WPA", buflen);
2781                 if (len >= buflen)
2782                         return -1;
2783                 return len;
2784         }
2785
2786         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2787                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2788                 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2789                 if (ret < 0 || ret >= end - pos)
2790                         return pos - buf;
2791                 pos += ret;
2792                 first = 0;
2793         }
2794
2795         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2796                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2797                 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2798                 if (ret < 0 || ret >= end - pos)
2799                         return pos - buf;
2800                 pos += ret;
2801                 first = 0;
2802         }
2803
2804         return pos - buf;
2805 }
2806
2807
2808 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2809                                               struct wpa_driver_capa *capa,
2810                                               char *buf, size_t buflen)
2811 {
2812         int ret, first = 1;
2813         char *pos, *end;
2814         size_t len;
2815
2816         pos = buf;
2817         end = pos + buflen;
2818
2819         if (res < 0) {
2820                 if (strict)
2821                         return 0;
2822                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2823                 if (len >= buflen)
2824                         return -1;
2825                 return len;
2826         }
2827
2828         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2829                 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2830                 if (ret < 0 || ret >= end - pos)
2831                         return pos - buf;
2832                 pos += ret;
2833                 first = 0;
2834         }
2835
2836         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2837                 ret = os_snprintf(pos, end - pos, "%sSHARED",
2838                                   first ? "" : " ");
2839                 if (ret < 0 || ret >= end - pos)
2840                         return pos - buf;
2841                 pos += ret;
2842                 first = 0;
2843         }
2844
2845         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2846                 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2847                 if (ret < 0 || ret >= end - pos)
2848                         return pos - buf;
2849                 pos += ret;
2850                 first = 0;
2851         }
2852
2853         return pos - buf;
2854 }
2855
2856
2857 static int ctrl_iface_get_capability_modes(int res, char *strict,
2858                                            struct wpa_driver_capa *capa,
2859                                            char *buf, size_t buflen)
2860 {
2861         int ret, first = 1;
2862         char *pos, *end;
2863         size_t len;
2864
2865         pos = buf;
2866         end = pos + buflen;
2867
2868         if (res < 0) {
2869                 if (strict)
2870                         return 0;
2871                 len = os_strlcpy(buf, "IBSS AP", buflen);
2872                 if (len >= buflen)
2873                         return -1;
2874                 return len;
2875         }
2876
2877         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
2878                 ret = os_snprintf(pos, end - pos, "%sIBSS", first ? "" : " ");
2879                 if (ret < 0 || ret >= end - pos)
2880                         return pos - buf;
2881                 pos += ret;
2882                 first = 0;
2883         }
2884
2885         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
2886                 ret = os_snprintf(pos, end - pos, "%sAP", first ? "" : " ");
2887                 if (ret < 0 || ret >= end - pos)
2888                         return pos - buf;
2889                 pos += ret;
2890                 first = 0;
2891         }
2892
2893         return pos - buf;
2894 }
2895
2896
2897 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
2898                                               char *buf, size_t buflen)
2899 {
2900         struct hostapd_channel_data *chnl;
2901         int ret, i, j;
2902         char *pos, *end, *hmode;
2903
2904         pos = buf;
2905         end = pos + buflen;
2906
2907         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2908                 switch (wpa_s->hw.modes[j].mode) {
2909                 case HOSTAPD_MODE_IEEE80211B:
2910                         hmode = "B";
2911                         break;
2912                 case HOSTAPD_MODE_IEEE80211G:
2913                         hmode = "G";
2914                         break;
2915                 case HOSTAPD_MODE_IEEE80211A:
2916                         hmode = "A";
2917                         break;
2918                 case HOSTAPD_MODE_IEEE80211AD:
2919                         hmode = "AD";
2920                         break;
2921                 default:
2922                         continue;
2923                 }
2924                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
2925                 if (ret < 0 || ret >= end - pos)
2926                         return pos - buf;
2927                 pos += ret;
2928                 chnl = wpa_s->hw.modes[j].channels;
2929                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2930                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2931                                 continue;
2932                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
2933                         if (ret < 0 || ret >= end - pos)
2934                                 return pos - buf;
2935                         pos += ret;
2936                 }
2937                 ret = os_snprintf(pos, end - pos, "\n");
2938                 if (ret < 0 || ret >= end - pos)
2939                         return pos - buf;
2940                 pos += ret;
2941         }
2942
2943         return pos - buf;
2944 }
2945
2946
2947 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
2948                                           char *buf, size_t buflen)
2949 {
2950         struct hostapd_channel_data *chnl;
2951         int ret, i, j;
2952         char *pos, *end, *hmode;
2953
2954         pos = buf;
2955         end = pos + buflen;
2956
2957         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2958                 switch (wpa_s->hw.modes[j].mode) {
2959                 case HOSTAPD_MODE_IEEE80211B:
2960                         hmode = "B";
2961                         break;
2962                 case HOSTAPD_MODE_IEEE80211G:
2963                         hmode = "G";
2964                         break;
2965                 case HOSTAPD_MODE_IEEE80211A:
2966                         hmode = "A";
2967                         break;
2968                 case HOSTAPD_MODE_IEEE80211AD:
2969                         hmode = "AD";
2970                         break;
2971                 default:
2972                         continue;
2973                 }
2974                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
2975                                   hmode);
2976                 if (ret < 0 || ret >= end - pos)
2977                         return pos - buf;
2978                 pos += ret;
2979                 chnl = wpa_s->hw.modes[j].channels;
2980                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2981                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2982                                 continue;
2983                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s\n",
2984                                           chnl[i].chan, chnl[i].freq,
2985                                           chnl[i].flag & HOSTAPD_CHAN_NO_IBSS ?
2986                                           " (NO_IBSS)" : "");
2987                         if (ret < 0 || ret >= end - pos)
2988                                 return pos - buf;
2989                         pos += ret;
2990                 }
2991                 ret = os_snprintf(pos, end - pos, "\n");
2992                 if (ret < 0 || ret >= end - pos)
2993                         return pos - buf;
2994                 pos += ret;
2995         }
2996
2997         return pos - buf;
2998 }
2999
3000
3001 static int wpa_supplicant_ctrl_iface_get_capability(
3002         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3003         size_t buflen)
3004 {
3005         struct wpa_driver_capa capa;
3006         int res;
3007         char *strict;
3008         char field[30];
3009         size_t len;
3010
3011         /* Determine whether or not strict checking was requested */
3012         len = os_strlcpy(field, _field, sizeof(field));
3013         if (len >= sizeof(field))
3014                 return -1;
3015         strict = os_strchr(field, ' ');
3016         if (strict != NULL) {
3017                 *strict++ = '\0';
3018                 if (os_strcmp(strict, "strict") != 0)
3019                         return -1;
3020         }
3021
3022         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3023                 field, strict ? strict : "");
3024
3025         if (os_strcmp(field, "eap") == 0) {
3026                 return eap_get_names(buf, buflen);
3027         }
3028
3029         res = wpa_drv_get_capa(wpa_s, &capa);
3030
3031         if (os_strcmp(field, "pairwise") == 0)
3032                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3033                                                           buf, buflen);
3034
3035         if (os_strcmp(field, "group") == 0)
3036                 return ctrl_iface_get_capability_group(res, strict, &capa,
3037                                                        buf, buflen);
3038
3039         if (os_strcmp(field, "key_mgmt") == 0)
3040                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3041                                                           buf, buflen);
3042
3043         if (os_strcmp(field, "proto") == 0)
3044                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3045                                                        buf, buflen);
3046
3047         if (os_strcmp(field, "auth_alg") == 0)
3048                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
3049                                                           buf, buflen);
3050
3051         if (os_strcmp(field, "modes") == 0)
3052                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3053                                                        buf, buflen);
3054
3055         if (os_strcmp(field, "channels") == 0)
3056                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3057
3058         if (os_strcmp(field, "freq") == 0)
3059                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3060
3061         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3062                    field);
3063
3064         return -1;
3065 }
3066
3067
3068 #ifdef CONFIG_INTERWORKING
3069 static char * anqp_add_hex(char *pos, char *end, const char *title,
3070                            struct wpabuf *data)
3071 {
3072         char *start = pos;
3073         size_t i;
3074         int ret;
3075         const u8 *d;
3076
3077         if (data == NULL)
3078                 return start;
3079
3080         ret = os_snprintf(pos, end - pos, "%s=", title);
3081         if (ret < 0 || ret >= end - pos)
3082                 return start;
3083         pos += ret;
3084
3085         d = wpabuf_head_u8(data);
3086         for (i = 0; i < wpabuf_len(data); i++) {
3087                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3088                 if (ret < 0 || ret >= end - pos)
3089                         return start;
3090                 pos += ret;
3091         }
3092
3093         ret = os_snprintf(pos, end - pos, "\n");
3094         if (ret < 0 || ret >= end - pos)
3095                 return start;
3096         pos += ret;
3097
3098         return pos;
3099 }
3100 #endif /* CONFIG_INTERWORKING */
3101
3102
3103 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3104                           unsigned long mask, char *buf, size_t buflen)
3105 {
3106         size_t i;
3107         int ret;
3108         char *pos, *end;
3109         const u8 *ie, *ie2;
3110
3111         pos = buf;
3112         end = buf + buflen;
3113
3114         if (mask & WPA_BSS_MASK_ID) {
3115                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3116                 if (ret < 0 || ret >= end - pos)
3117                         return 0;
3118                 pos += ret;
3119         }
3120
3121         if (mask & WPA_BSS_MASK_BSSID) {
3122                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3123                                   MAC2STR(bss->bssid));
3124                 if (ret < 0 || ret >= end - pos)
3125                         return 0;
3126                 pos += ret;
3127         }
3128
3129         if (mask & WPA_BSS_MASK_FREQ) {
3130                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3131                 if (ret < 0 || ret >= end - pos)
3132                         return 0;
3133                 pos += ret;
3134         }
3135
3136         if (mask & WPA_BSS_MASK_BEACON_INT) {
3137                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3138                                   bss->beacon_int);
3139                 if (ret < 0 || ret >= end - pos)
3140                         return 0;
3141                 pos += ret;
3142         }
3143
3144         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3145                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3146                                   bss->caps);
3147                 if (ret < 0 || ret >= end - pos)
3148                         return 0;
3149                 pos += ret;
3150         }
3151
3152         if (mask & WPA_BSS_MASK_QUAL) {
3153                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3154                 if (ret < 0 || ret >= end - pos)
3155                         return 0;
3156                 pos += ret;
3157         }
3158
3159         if (mask & WPA_BSS_MASK_NOISE) {
3160                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3161                 if (ret < 0 || ret >= end - pos)
3162                         return 0;
3163                 pos += ret;
3164         }
3165
3166         if (mask & WPA_BSS_MASK_LEVEL) {
3167                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3168                 if (ret < 0 || ret >= end - pos)
3169                         return 0;
3170                 pos += ret;
3171         }
3172
3173         if (mask & WPA_BSS_MASK_TSF) {
3174                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3175                                   (unsigned long long) bss->tsf);
3176                 if (ret < 0 || ret >= end - pos)
3177                         return 0;
3178                 pos += ret;
3179         }
3180
3181         if (mask & WPA_BSS_MASK_AGE) {
3182                 struct os_time now;
3183
3184                 os_get_time(&now);
3185                 ret = os_snprintf(pos, end - pos, "age=%d\n",
3186                                   (int) (now.sec - bss->last_update.sec));
3187                 if (ret < 0 || ret >= end - pos)
3188                         return 0;
3189                 pos += ret;
3190         }
3191
3192         if (mask & WPA_BSS_MASK_IE) {
3193                 ret = os_snprintf(pos, end - pos, "ie=");
3194                 if (ret < 0 || ret >= end - pos)
3195                         return 0;
3196                 pos += ret;
3197
3198                 ie = (const u8 *) (bss + 1);
3199                 for (i = 0; i < bss->ie_len; i++) {
3200                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3201                         if (ret < 0 || ret >= end - pos)
3202                                 return 0;
3203                         pos += ret;
3204                 }
3205
3206                 ret = os_snprintf(pos, end - pos, "\n");
3207                 if (ret < 0 || ret >= end - pos)
3208                         return 0;
3209                 pos += ret;
3210         }
3211
3212         if (mask & WPA_BSS_MASK_FLAGS) {
3213                 ret = os_snprintf(pos, end - pos, "flags=");
3214                 if (ret < 0 || ret >= end - pos)
3215                         return 0;
3216                 pos += ret;
3217
3218                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3219                 if (ie)
3220                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3221                                                     2 + ie[1]);
3222                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3223                 if (ie2)
3224                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3225                                                     2 + ie2[1]);
3226                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3227                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3228                         ret = os_snprintf(pos, end - pos, "[WEP]");
3229                         if (ret < 0 || ret >= end - pos)
3230                                 return 0;
3231                         pos += ret;
3232                 }
3233                 if (bss->caps & IEEE80211_CAP_IBSS) {
3234                         ret = os_snprintf(pos, end - pos, "[IBSS]");
3235                         if (ret < 0 || ret >= end - pos)
3236                                 return 0;
3237                         pos += ret;
3238                 }
3239                 if (bss->caps & IEEE80211_CAP_ESS) {
3240                         ret = os_snprintf(pos, end - pos, "[ESS]");
3241                         if (ret < 0 || ret >= end - pos)
3242                                 return 0;
3243                         pos += ret;
3244                 }
3245                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE)) {
3246                         ret = os_snprintf(pos, end - pos, "[P2P]");
3247                         if (ret < 0 || ret >= end - pos)
3248                                 return 0;
3249                         pos += ret;
3250                 }
3251 #ifdef CONFIG_HS20
3252                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3253                         ret = os_snprintf(pos, end - pos, "[HS20]");
3254                         if (ret < 0 || ret >= end - pos)
3255                                 return 0;
3256                         pos += ret;
3257                 }
3258 #endif /* CONFIG_HS20 */
3259
3260                 ret = os_snprintf(pos, end - pos, "\n");
3261                 if (ret < 0 || ret >= end - pos)
3262                         return 0;
3263                 pos += ret;
3264         }
3265
3266         if (mask & WPA_BSS_MASK_SSID) {
3267                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3268                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3269                 if (ret < 0 || ret >= end - pos)
3270                         return 0;
3271                 pos += ret;
3272         }
3273
3274 #ifdef CONFIG_WPS
3275         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3276                 ie = (const u8 *) (bss + 1);
3277                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3278                 if (ret < 0 || ret >= end - pos)
3279                         return 0;
3280                 pos += ret;
3281         }
3282 #endif /* CONFIG_WPS */
3283
3284 #ifdef CONFIG_P2P
3285         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3286                 ie = (const u8 *) (bss + 1);
3287                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3288                 if (ret < 0 || ret >= end - pos)
3289                         return 0;
3290                 pos += ret;
3291         }
3292 #endif /* CONFIG_P2P */
3293
3294 #ifdef CONFIG_WIFI_DISPLAY
3295         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3296                 struct wpabuf *wfd;
3297                 ie = (const u8 *) (bss + 1);
3298                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3299                                                   WFD_IE_VENDOR_TYPE);
3300                 if (wfd) {
3301                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3302                         if (ret < 0 || ret >= end - pos)
3303                                 return 0;
3304                         pos += ret;
3305
3306                         pos += wpa_snprintf_hex(pos, end - pos,
3307                                                 wpabuf_head(wfd),
3308                                                 wpabuf_len(wfd));
3309                         wpabuf_free(wfd);
3310
3311                         ret = os_snprintf(pos, end - pos, "\n");
3312                         if (ret < 0 || ret >= end - pos)
3313                                 return 0;
3314                         pos += ret;
3315                 }
3316         }
3317 #endif /* CONFIG_WIFI_DISPLAY */
3318
3319 #ifdef CONFIG_INTERWORKING
3320         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3321                 struct wpa_bss_anqp *anqp = bss->anqp;
3322                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3323                                    anqp->venue_name);
3324                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3325                                    anqp->network_auth_type);
3326                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3327                                    anqp->roaming_consortium);
3328                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3329                                    anqp->ip_addr_type_availability);
3330                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3331                                    anqp->nai_realm);
3332                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3333                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3334                                    anqp->domain_name);
3335 #ifdef CONFIG_HS20
3336                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3337                                    anqp->hs20_operator_friendly_name);
3338                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3339                                    anqp->hs20_wan_metrics);
3340                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3341                                    anqp->hs20_connection_capability);
3342 #endif /* CONFIG_HS20 */
3343         }
3344 #endif /* CONFIG_INTERWORKING */
3345
3346         if (mask & WPA_BSS_MASK_DELIM) {
3347                 ret = os_snprintf(pos, end - pos, "====\n");
3348                 if (ret < 0 || ret >= end - pos)
3349                         return 0;
3350                 pos += ret;
3351         }
3352
3353         return pos - buf;
3354 }
3355
3356
3357 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3358                                          const char *cmd, char *buf,
3359                                          size_t buflen)
3360 {
3361         u8 bssid[ETH_ALEN];
3362         size_t i;
3363         struct wpa_bss *bss;
3364         struct wpa_bss *bsslast = NULL;
3365         struct dl_list *next;
3366         int ret = 0;
3367         int len;
3368         char *ctmp;
3369         unsigned long mask = WPA_BSS_MASK_ALL;
3370
3371         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3372                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3373                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3374                                             list_id);
3375                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3376                                                list_id);
3377                 } else { /* N1-N2 */
3378                         unsigned int id1, id2;
3379
3380                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3381                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3382                                            "format");
3383                                 return 0;
3384                         }
3385
3386                         if (*(cmd + 6) == '-')
3387                                 id1 = 0;
3388                         else
3389                                 id1 = atoi(cmd + 6);
3390                         ctmp++;
3391                         if (*ctmp >= '0' && *ctmp <= '9')
3392                                 id2 = atoi(ctmp);
3393                         else
3394                                 id2 = (unsigned int) -1;
3395                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3396                         if (id2 == (unsigned int) -1)
3397                                 bsslast = dl_list_last(&wpa_s->bss_id,
3398                                                        struct wpa_bss,
3399                                                        list_id);
3400                         else {
3401                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3402                                 if (bsslast == NULL && bss && id2 > id1) {
3403                                         struct wpa_bss *tmp = bss;
3404                                         for (;;) {
3405                                                 next = tmp->list_id.next;
3406                                                 if (next == &wpa_s->bss_id)
3407                                                         break;
3408                                                 tmp = dl_list_entry(
3409                                                         next, struct wpa_bss,
3410                                                         list_id);
3411                                                 if (tmp->id > id2)
3412                                                         break;
3413                                                 bsslast = tmp;
3414                                         }
3415                                 }
3416                         }
3417                 }
3418         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3419                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3420         else if (os_strncmp(cmd, "LAST", 4) == 0)
3421                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3422         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3423                 i = atoi(cmd + 3);
3424                 bss = wpa_bss_get_id(wpa_s, i);
3425         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3426                 i = atoi(cmd + 5);
3427                 bss = wpa_bss_get_id(wpa_s, i);
3428                 if (bss) {
3429                         next = bss->list_id.next;
3430                         if (next == &wpa_s->bss_id)
3431                                 bss = NULL;
3432                         else
3433                                 bss = dl_list_entry(next, struct wpa_bss,
3434                                                     list_id);
3435                 }
3436 #ifdef CONFIG_P2P
3437         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3438                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3439                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3440                 else
3441                         bss = NULL;
3442 #endif /* CONFIG_P2P */
3443         } else if (hwaddr_aton(cmd, bssid) == 0)
3444                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3445         else {
3446                 struct wpa_bss *tmp;
3447                 i = atoi(cmd);
3448                 bss = NULL;
3449                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3450                 {
3451                         if (i-- == 0) {
3452                                 bss = tmp;
3453                                 break;
3454                         }
3455                 }
3456         }
3457
3458         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3459                 mask = strtoul(ctmp + 5, NULL, 0x10);
3460                 if (mask == 0)
3461                         mask = WPA_BSS_MASK_ALL;
3462         }
3463
3464         if (bss == NULL)
3465                 return 0;
3466
3467         if (bsslast == NULL)
3468                 bsslast = bss;
3469         do {
3470                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3471                 ret += len;
3472                 buf += len;
3473                 buflen -= len;
3474                 if (bss == bsslast) {
3475                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
3476                             (bss == dl_list_last(&wpa_s->bss_id,
3477                                                  struct wpa_bss, list_id)))
3478                                 os_snprintf(buf - 5, 5, "####\n");
3479                         break;
3480                 }
3481                 next = bss->list_id.next;
3482                 if (next == &wpa_s->bss_id)
3483                         break;
3484                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3485         } while (bss && len);
3486
3487         return ret;
3488 }
3489
3490
3491 static int wpa_supplicant_ctrl_iface_ap_scan(
3492         struct wpa_supplicant *wpa_s, char *cmd)
3493 {
3494         int ap_scan = atoi(cmd);
3495         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3496 }
3497
3498
3499 static int wpa_supplicant_ctrl_iface_scan_interval(
3500         struct wpa_supplicant *wpa_s, char *cmd)
3501 {
3502         int scan_int = atoi(cmd);
3503         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3504 }
3505
3506
3507 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3508         struct wpa_supplicant *wpa_s, char *cmd)
3509 {
3510         int expire_age = atoi(cmd);
3511         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3512 }
3513
3514
3515 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3516         struct wpa_supplicant *wpa_s, char *cmd)
3517 {
3518         int expire_count = atoi(cmd);
3519         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3520 }
3521
3522
3523 static int wpa_supplicant_ctrl_iface_bss_flush(
3524         struct wpa_supplicant *wpa_s, char *cmd)
3525 {
3526         int flush_age = atoi(cmd);
3527
3528         if (flush_age == 0)
3529                 wpa_bss_flush(wpa_s);
3530         else
3531                 wpa_bss_flush_by_age(wpa_s, flush_age);
3532         return 0;
3533 }
3534
3535
3536 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3537 {
3538         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3539         /* MLME-DELETEKEYS.request */
3540         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3541         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3542         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3543         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3544 #ifdef CONFIG_IEEE80211W
3545         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3546         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3547 #endif /* CONFIG_IEEE80211W */
3548
3549         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3550                         0);
3551         /* MLME-SETPROTECTION.request(None) */
3552         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3553                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3554                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3555         wpa_sm_drop_sa(wpa_s->wpa);
3556 }
3557
3558
3559 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3560                                           char *addr)
3561 {
3562 #ifdef CONFIG_NO_SCAN_PROCESSING
3563         return -1;
3564 #else /* CONFIG_NO_SCAN_PROCESSING */
3565         u8 bssid[ETH_ALEN];
3566         struct wpa_bss *bss;
3567         struct wpa_ssid *ssid = wpa_s->current_ssid;
3568
3569         if (hwaddr_aton(addr, bssid)) {
3570                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3571                            "address '%s'", addr);
3572                 return -1;
3573         }
3574
3575         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3576
3577         if (!ssid) {
3578                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3579                            "configuration known for the target AP");
3580                 return -1;
3581         }
3582
3583         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
3584         if (!bss) {
3585                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3586                            "from BSS table");
3587                 return -1;
3588         }
3589
3590         /*
3591          * TODO: Find best network configuration block from configuration to
3592          * allow roaming to other networks
3593          */
3594
3595         wpa_s->reassociate = 1;
3596         wpa_supplicant_connect(wpa_s, bss, ssid);
3597
3598         return 0;
3599 #endif /* CONFIG_NO_SCAN_PROCESSING */
3600 }
3601
3602
3603 #ifdef CONFIG_P2P
3604 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3605 {
3606         unsigned int timeout = atoi(cmd);
3607         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3608         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3609         char *pos;
3610         unsigned int search_delay;
3611
3612         if (os_strstr(cmd, "type=social"))
3613                 type = P2P_FIND_ONLY_SOCIAL;
3614         else if (os_strstr(cmd, "type=progressive"))
3615                 type = P2P_FIND_PROGRESSIVE;
3616
3617         pos = os_strstr(cmd, "dev_id=");
3618         if (pos) {
3619                 pos += 7;
3620                 if (hwaddr_aton(pos, dev_id))
3621                         return -1;
3622                 _dev_id = dev_id;
3623         }
3624
3625         pos = os_strstr(cmd, "delay=");
3626         if (pos) {
3627                 pos += 6;
3628                 search_delay = atoi(pos);
3629         } else
3630                 search_delay = wpas_p2p_search_delay(wpa_s);
3631
3632         return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3633                              search_delay);
3634 }
3635
3636
3637 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3638                             char *buf, size_t buflen)
3639 {
3640         u8 addr[ETH_ALEN];
3641         char *pos, *pos2;
3642         char *pin = NULL;
3643         enum p2p_wps_method wps_method;
3644         int new_pin;
3645         int ret;
3646         int persistent_group, persistent_id = -1;
3647         int join;
3648         int auth;
3649         int automatic;
3650         int go_intent = -1;
3651         int freq = 0;
3652         int pd;
3653         int ht40;
3654
3655         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3656          * [persistent|persistent=<network id>]
3657          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3658          * [ht40] */
3659
3660         if (hwaddr_aton(cmd, addr))
3661                 return -1;
3662
3663         pos = cmd + 17;
3664         if (*pos != ' ')
3665                 return -1;
3666         pos++;
3667
3668         persistent_group = os_strstr(pos, " persistent") != NULL;
3669         pos2 = os_strstr(pos, " persistent=");
3670         if (pos2) {
3671                 struct wpa_ssid *ssid;
3672                 persistent_id = atoi(pos2 + 12);
3673                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3674                 if (ssid == NULL || ssid->disabled != 2 ||
3675                     ssid->mode != WPAS_MODE_P2P_GO) {
3676                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3677                                    "SSID id=%d for persistent P2P group (GO)",
3678                                    persistent_id);
3679                         return -1;
3680                 }
3681         }
3682         join = os_strstr(pos, " join") != NULL;
3683         auth = os_strstr(pos, " auth") != NULL;
3684         automatic = os_strstr(pos, " auto") != NULL;
3685         pd = os_strstr(pos, " provdisc") != NULL;
3686         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3687
3688         pos2 = os_strstr(pos, " go_intent=");
3689         if (pos2) {
3690                 pos2 += 11;
3691                 go_intent = atoi(pos2);
3692                 if (go_intent < 0 || go_intent > 15)
3693                         return -1;
3694         }
3695
3696         pos2 = os_strstr(pos, " freq=");
3697         if (pos2) {
3698                 pos2 += 6;
3699                 freq = atoi(pos2);
3700                 if (freq <= 0)
3701                         return -1;
3702         }
3703
3704         if (os_strncmp(pos, "pin", 3) == 0) {
3705                 /* Request random PIN (to be displayed) and enable the PIN */
3706                 wps_method = WPS_PIN_DISPLAY;
3707         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3708                 wps_method = WPS_PBC;
3709         } else {
3710                 pin = pos;
3711                 pos = os_strchr(pin, ' ');
3712                 wps_method = WPS_PIN_KEYPAD;
3713                 if (pos) {
3714                         *pos++ = '\0';
3715                         if (os_strncmp(pos, "display", 7) == 0)
3716                                 wps_method = WPS_PIN_DISPLAY;
3717                 }
3718                 if (!wps_pin_str_valid(pin)) {
3719                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3720                         return 17;
3721                 }
3722         }
3723
3724         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3725                                    persistent_group, automatic, join,
3726                                    auth, go_intent, freq, persistent_id, pd,
3727                                    ht40);
3728         if (new_pin == -2) {
3729                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3730                 return 25;
3731         }
3732         if (new_pin == -3) {
3733                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3734                 return 25;
3735         }
3736         if (new_pin < 0)
3737                 return -1;
3738         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3739                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3740                 if (ret < 0 || (size_t) ret >= buflen)
3741                         return -1;
3742                 return ret;
3743         }
3744
3745         os_memcpy(buf, "OK\n", 3);
3746         return 3;
3747 }
3748
3749
3750 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3751 {
3752         unsigned int timeout = atoi(cmd);
3753         return wpas_p2p_listen(wpa_s, timeout);
3754 }
3755
3756
3757 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3758 {
3759         u8 addr[ETH_ALEN];
3760         char *pos;
3761         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3762
3763         /* <addr> <config method> [join|auto] */
3764
3765         if (hwaddr_aton(cmd, addr))
3766                 return -1;
3767
3768         pos = cmd + 17;
3769         if (*pos != ' ')
3770                 return -1;
3771         pos++;
3772
3773         if (os_strstr(pos, " join") != NULL)
3774                 use = WPAS_P2P_PD_FOR_JOIN;
3775         else if (os_strstr(pos, " auto") != NULL)
3776                 use = WPAS_P2P_PD_AUTO;
3777
3778         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3779 }
3780
3781
3782 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3783                               size_t buflen)
3784 {
3785         struct wpa_ssid *ssid = wpa_s->current_ssid;
3786
3787         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3788             ssid->passphrase == NULL)
3789                 return -1;
3790
3791         os_strlcpy(buf, ssid->passphrase, buflen);
3792         return os_strlen(buf);
3793 }
3794
3795
3796 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3797                                   char *buf, size_t buflen)
3798 {
3799         u64 ref;
3800         int res;
3801         u8 dst_buf[ETH_ALEN], *dst;
3802         struct wpabuf *tlvs;
3803         char *pos;
3804         size_t len;
3805
3806         if (hwaddr_aton(cmd, dst_buf))
3807                 return -1;
3808         dst = dst_buf;
3809         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3810             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3811                 dst = NULL;
3812         pos = cmd + 17;
3813         if (*pos != ' ')
3814                 return -1;
3815         pos++;
3816
3817         if (os_strncmp(pos, "upnp ", 5) == 0) {
3818                 u8 version;
3819                 pos += 5;
3820                 if (hexstr2bin(pos, &version, 1) < 0)
3821                         return -1;
3822                 pos += 2;
3823                 if (*pos != ' ')
3824                         return -1;
3825                 pos++;
3826                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3827 #ifdef CONFIG_WIFI_DISPLAY
3828         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3829                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3830 #endif /* CONFIG_WIFI_DISPLAY */
3831         } else {
3832                 len = os_strlen(pos);
3833                 if (len & 1)
3834                         return -1;
3835                 len /= 2;
3836                 tlvs = wpabuf_alloc(len);
3837                 if (tlvs == NULL)
3838                         return -1;
3839                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3840                         wpabuf_free(tlvs);
3841                         return -1;
3842                 }
3843
3844                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3845                 wpabuf_free(tlvs);
3846         }
3847         if (ref == 0)
3848                 return -1;
3849         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3850         if (res < 0 || (unsigned) res >= buflen)
3851                 return -1;
3852         return res;
3853 }
3854
3855
3856 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3857                                          char *cmd)
3858 {
3859         long long unsigned val;
3860         u64 req;
3861         if (sscanf(cmd, "%llx", &val) != 1)
3862                 return -1;
3863         req = val;
3864         return wpas_p2p_sd_cancel_request(wpa_s, req);
3865 }
3866
3867
3868 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3869 {
3870         int freq;
3871         u8 dst[ETH_ALEN];
3872         u8 dialog_token;
3873         struct wpabuf *resp_tlvs;
3874         char *pos, *pos2;
3875         size_t len;
3876
3877         pos = os_strchr(cmd, ' ');
3878         if (pos == NULL)
3879                 return -1;
3880         *pos++ = '\0';
3881         freq = atoi(cmd);
3882         if (freq == 0)
3883                 return -1;
3884
3885         if (hwaddr_aton(pos, dst))
3886                 return -1;
3887         pos += 17;
3888         if (*pos != ' ')
3889                 return -1;
3890         pos++;
3891
3892         pos2 = os_strchr(pos, ' ');
3893         if (pos2 == NULL)
3894                 return -1;
3895         *pos2++ = '\0';
3896         dialog_token = atoi(pos);
3897
3898         len = os_strlen(pos2);
3899         if (len & 1)
3900                 return -1;
3901         len /= 2;
3902         resp_tlvs = wpabuf_alloc(len);
3903         if (resp_tlvs == NULL)
3904                 return -1;
3905         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3906                 wpabuf_free(resp_tlvs);
3907                 return -1;
3908         }
3909
3910         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3911         wpabuf_free(resp_tlvs);
3912         return 0;
3913 }
3914
3915
3916 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3917                                        char *cmd)
3918 {
3919         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3920                 return -1;
3921         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3922         return 0;
3923 }
3924
3925
3926 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3927                                         char *cmd)
3928 {
3929         char *pos;
3930         size_t len;
3931         struct wpabuf *query, *resp;
3932
3933         pos = os_strchr(cmd, ' ');
3934         if (pos == NULL)
3935                 return -1;
3936         *pos++ = '\0';
3937
3938         len = os_strlen(cmd);
3939         if (len & 1)
3940                 return -1;
3941         len /= 2;
3942         query = wpabuf_alloc(len);
3943         if (query == NULL)
3944                 return -1;
3945         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3946                 wpabuf_free(query);
3947                 return -1;
3948         }
3949
3950         len = os_strlen(pos);
3951         if (len & 1) {
3952                 wpabuf_free(query);
3953                 return -1;
3954         }
3955         len /= 2;
3956         resp = wpabuf_alloc(len);
3957         if (resp == NULL) {
3958                 wpabuf_free(query);
3959                 return -1;
3960         }
3961         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
3962                 wpabuf_free(query);
3963                 wpabuf_free(resp);
3964                 return -1;
3965         }
3966
3967         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
3968                 wpabuf_free(query);
3969                 wpabuf_free(resp);
3970                 return -1;
3971         }
3972         return 0;
3973 }
3974
3975
3976 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3977 {
3978         char *pos;
3979         u8 version;
3980
3981         pos = os_strchr(cmd, ' ');
3982         if (pos == NULL)
3983                 return -1;
3984         *pos++ = '\0';
3985
3986         if (hexstr2bin(cmd, &version, 1) < 0)
3987                 return -1;
3988
3989         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
3990 }
3991
3992
3993 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
3994 {
3995         char *pos;
3996
3997         pos = os_strchr(cmd, ' ');
3998         if (pos == NULL)
3999                 return -1;
4000         *pos++ = '\0';
4001
4002         if (os_strcmp(cmd, "bonjour") == 0)
4003                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
4004         if (os_strcmp(cmd, "upnp") == 0)
4005                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
4006         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4007         return -1;
4008 }
4009
4010
4011 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
4012                                         char *cmd)
4013 {
4014         size_t len;
4015         struct wpabuf *query;
4016         int ret;
4017
4018         len = os_strlen(cmd);
4019         if (len & 1)
4020                 return -1;
4021         len /= 2;
4022         query = wpabuf_alloc(len);
4023         if (query == NULL)
4024                 return -1;
4025         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4026                 wpabuf_free(query);
4027                 return -1;
4028         }
4029
4030         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
4031         wpabuf_free(query);
4032         return ret;
4033 }
4034
4035
4036 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4037 {
4038         char *pos;
4039         u8 version;
4040
4041         pos = os_strchr(cmd, ' ');
4042         if (pos == NULL)
4043                 return -1;
4044         *pos++ = '\0';
4045
4046         if (hexstr2bin(cmd, &version, 1) < 0)
4047                 return -1;
4048
4049         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4050 }
4051
4052
4053 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4054 {
4055         char *pos;
4056
4057         pos = os_strchr(cmd, ' ');
4058         if (pos == NULL)
4059                 return -1;
4060         *pos++ = '\0';
4061
4062         if (os_strcmp(cmd, "bonjour") == 0)
4063                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4064         if (os_strcmp(cmd, "upnp") == 0)
4065                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
4066         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4067         return -1;
4068 }
4069
4070
4071 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4072 {
4073         u8 addr[ETH_ALEN];
4074
4075         /* <addr> */
4076
4077         if (hwaddr_aton(cmd, addr))
4078                 return -1;
4079
4080         return wpas_p2p_reject(wpa_s, addr);
4081 }
4082
4083
4084 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
4085 {
4086         char *pos;
4087         int id;
4088         struct wpa_ssid *ssid;
4089         u8 *_peer = NULL, peer[ETH_ALEN];
4090         int freq = 0, pref_freq = 0;
4091         int ht40;
4092
4093         id = atoi(cmd);
4094         pos = os_strstr(cmd, " peer=");
4095         if (pos) {
4096                 pos += 6;
4097                 if (hwaddr_aton(pos, peer))
4098                         return -1;
4099                 _peer = peer;
4100         }
4101         ssid = wpa_config_get_network(wpa_s->conf, id);
4102         if (ssid == NULL || ssid->disabled != 2) {
4103                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4104                            "for persistent P2P group",
4105                            id);
4106                 return -1;
4107         }
4108
4109         pos = os_strstr(cmd, " freq=");
4110         if (pos) {
4111                 pos += 6;
4112                 freq = atoi(pos);
4113                 if (freq <= 0)
4114                         return -1;
4115         }
4116
4117         pos = os_strstr(cmd, " pref=");
4118         if (pos) {
4119                 pos += 6;
4120                 pref_freq = atoi(pos);
4121                 if (pref_freq <= 0)
4122                         return -1;
4123         }
4124
4125         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
4126
4127         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, pref_freq);
4128 }
4129
4130
4131 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4132 {
4133         char *pos;
4134         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4135
4136         pos = os_strstr(cmd, " peer=");
4137         if (!pos)
4138                 return -1;
4139
4140         *pos = '\0';
4141         pos += 6;
4142         if (hwaddr_aton(pos, peer)) {
4143                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4144                 return -1;
4145         }
4146
4147         pos = os_strstr(pos, " go_dev_addr=");
4148         if (pos) {
4149                 pos += 13;
4150                 if (hwaddr_aton(pos, go_dev_addr)) {
4151                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4152                                    pos);
4153                         return -1;
4154                 }
4155                 go_dev = go_dev_addr;
4156         }
4157
4158         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4159 }
4160
4161
4162 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4163 {
4164         if (os_strncmp(cmd, "persistent=", 11) == 0)
4165                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4166         if (os_strncmp(cmd, "group=", 6) == 0)
4167                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4168
4169         return -1;
4170 }
4171
4172
4173 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4174                                          char *cmd, int freq, int ht40)
4175 {
4176         int id;
4177         struct wpa_ssid *ssid;
4178
4179         id = atoi(cmd);
4180         ssid = wpa_config_get_network(wpa_s->conf, id);
4181         if (ssid == NULL || ssid->disabled != 2) {
4182                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4183                            "for persistent P2P group",
4184                            id);
4185                 return -1;
4186         }
4187
4188         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40, NULL);
4189 }
4190
4191
4192 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4193 {
4194         int freq = 0, ht40;
4195         char *pos;
4196
4197         pos = os_strstr(cmd, "freq=");
4198         if (pos)
4199                 freq = atoi(pos + 5);
4200
4201         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
4202
4203         if (os_strncmp(cmd, "persistent=", 11) == 0)
4204                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4205                                                      ht40);
4206         if (os_strcmp(cmd, "persistent") == 0 ||
4207             os_strncmp(cmd, "persistent ", 11) == 0)
4208                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40);
4209         if (os_strncmp(cmd, "freq=", 5) == 0)
4210                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4211         if (ht40)
4212                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4213
4214         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4215                    cmd);
4216         return -1;
4217 }
4218
4219
4220 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4221                          char *buf, size_t buflen)
4222 {
4223         u8 addr[ETH_ALEN], *addr_ptr;
4224         int next, res;
4225         const struct p2p_peer_info *info;
4226         char *pos, *end;
4227         char devtype[WPS_DEV_TYPE_BUFSIZE];
4228         struct wpa_ssid *ssid;
4229         size_t i;
4230
4231         if (!wpa_s->global->p2p)
4232                 return -1;
4233
4234         if (os_strcmp(cmd, "FIRST") == 0) {
4235                 addr_ptr = NULL;
4236                 next = 0;
4237         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4238                 if (hwaddr_aton(cmd + 5, addr) < 0)
4239                         return -1;
4240                 addr_ptr = addr;
4241                 next = 1;
4242         } else {
4243                 if (hwaddr_aton(cmd, addr) < 0)
4244                         return -1;
4245                 addr_ptr = addr;
4246                 next = 0;
4247         }
4248
4249         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4250         if (info == NULL)
4251                 return -1;
4252
4253         pos = buf;
4254         end = buf + buflen;
4255
4256         res = os_snprintf(pos, end - pos, MACSTR "\n"
4257                           "pri_dev_type=%s\n"
4258                           "device_name=%s\n"
4259                           "manufacturer=%s\n"
4260                           "model_name=%s\n"
4261                           "model_number=%s\n"
4262                           "serial_number=%s\n"
4263                           "config_methods=0x%x\n"
4264                           "dev_capab=0x%x\n"
4265                           "group_capab=0x%x\n"
4266                           "level=%d\n",
4267                           MAC2STR(info->p2p_device_addr),
4268                           wps_dev_type_bin2str(info->pri_dev_type,
4269                                                devtype, sizeof(devtype)),
4270                           info->device_name,
4271                           info->manufacturer,
4272                           info->model_name,
4273                           info->model_number,
4274                           info->serial_number,
4275                           info->config_methods,
4276                           info->dev_capab,
4277                           info->group_capab,
4278                           info->level);
4279         if (res < 0 || res >= end - pos)
4280                 return pos - buf;
4281         pos += res;
4282
4283         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4284         {
4285                 const u8 *t;
4286                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4287                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4288                                   wps_dev_type_bin2str(t, devtype,
4289                                                        sizeof(devtype)));
4290                 if (res < 0 || res >= end - pos)
4291                         return pos - buf;
4292                 pos += res;
4293         }
4294
4295         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4296         if (ssid) {
4297                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4298                 if (res < 0 || res >= end - pos)
4299                         return pos - buf;
4300                 pos += res;
4301         }
4302
4303         res = p2p_get_peer_info_txt(info, pos, end - pos);
4304         if (res < 0)
4305                 return pos - buf;
4306         pos += res;
4307
4308         return pos - buf;
4309 }
4310
4311
4312 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4313                                   const char *param)
4314 {
4315         struct wpa_freq_range *freq = NULL, *n;
4316         unsigned int count = 0, i;
4317         const char *pos, *pos2, *pos3;
4318
4319         if (wpa_s->global->p2p == NULL)
4320                 return -1;
4321
4322         /*
4323          * param includes comma separated frequency range.
4324          * For example: 2412-2432,2462,5000-6000
4325          */
4326         pos = param;
4327         while (pos && pos[0]) {
4328                 n = os_realloc_array(freq, count + 1,
4329                                      sizeof(struct wpa_freq_range));
4330                 if (n == NULL) {
4331                         os_free(freq);
4332                         return -1;
4333                 }
4334                 freq = n;
4335                 freq[count].min = atoi(pos);
4336                 pos2 = os_strchr(pos, '-');
4337                 pos3 = os_strchr(pos, ',');
4338                 if (pos2 && (!pos3 || pos2 < pos3)) {
4339                         pos2++;
4340                         freq[count].max = atoi(pos2);
4341                 } else
4342                         freq[count].max = freq[count].min;
4343                 pos = pos3;
4344                 if (pos)
4345                         pos++;
4346                 count++;
4347         }
4348
4349         for (i = 0; i < count; i++) {
4350                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4351                            freq[i].min, freq[i].max);
4352         }
4353
4354         os_free(wpa_s->global->p2p_disallow_freq);
4355         wpa_s->global->p2p_disallow_freq = freq;
4356         wpa_s->global->num_p2p_disallow_freq = count;
4357         wpas_p2p_update_channel_list(wpa_s);
4358         return 0;
4359 }
4360
4361
4362 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4363 {
4364         char *param;
4365
4366         if (wpa_s->global->p2p == NULL)
4367                 return -1;
4368
4369         param = os_strchr(cmd, ' ');
4370         if (param == NULL)
4371                 return -1;
4372         *param++ = '\0';
4373
4374         if (os_strcmp(cmd, "discoverability") == 0) {
4375                 p2p_set_client_discoverability(wpa_s->global->p2p,
4376                                                atoi(param));
4377                 return 0;
4378         }
4379
4380         if (os_strcmp(cmd, "managed") == 0) {
4381                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4382                 return 0;
4383         }
4384
4385         if (os_strcmp(cmd, "listen_channel") == 0) {
4386                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4387                                               atoi(param));
4388         }
4389
4390         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4391                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4392                                             os_strlen(param));
4393         }
4394
4395         if (os_strcmp(cmd, "noa") == 0) {
4396                 char *pos;
4397                 int count, start, duration;
4398                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4399                 count = atoi(param);
4400                 pos = os_strchr(param, ',');
4401                 if (pos == NULL)
4402                         return -1;
4403                 pos++;
4404                 start = atoi(pos);
4405                 pos = os_strchr(pos, ',');
4406                 if (pos == NULL)
4407                         return -1;
4408                 pos++;
4409                 duration = atoi(pos);
4410                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4411                         return -1;
4412                 if (count == 0 && duration > 0)
4413                         return -1;
4414                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4415                            "start=%d duration=%d", count, start, duration);
4416                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4417         }
4418
4419         if (os_strcmp(cmd, "ps") == 0)
4420                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4421
4422         if (os_strcmp(cmd, "oppps") == 0)
4423                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4424
4425         if (os_strcmp(cmd, "ctwindow") == 0)
4426                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4427
4428         if (os_strcmp(cmd, "disabled") == 0) {
4429                 wpa_s->global->p2p_disabled = atoi(param);
4430                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4431                            wpa_s->global->p2p_disabled ?
4432                            "disabled" : "enabled");
4433                 if (wpa_s->global->p2p_disabled) {
4434                         wpas_p2p_stop_find(wpa_s);
4435                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4436                         p2p_flush(wpa_s->global->p2p);
4437                 }
4438                 return 0;
4439         }
4440
4441         if (os_strcmp(cmd, "conc_pref") == 0) {
4442                 if (os_strcmp(param, "sta") == 0)
4443                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4444                 else if (os_strcmp(param, "p2p") == 0)
4445                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4446                 else {
4447                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4448                         return -1;
4449                 }
4450                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4451                            "%s", param);
4452                 return 0;
4453         }
4454
4455         if (os_strcmp(cmd, "force_long_sd") == 0) {
4456                 wpa_s->force_long_sd = atoi(param);
4457                 return 0;
4458         }
4459
4460         if (os_strcmp(cmd, "peer_filter") == 0) {
4461                 u8 addr[ETH_ALEN];
4462                 if (hwaddr_aton(param, addr))
4463                         return -1;
4464                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4465                 return 0;
4466         }
4467
4468         if (os_strcmp(cmd, "cross_connect") == 0)
4469                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4470
4471         if (os_strcmp(cmd, "go_apsd") == 0) {
4472                 if (os_strcmp(param, "disable") == 0)
4473                         wpa_s->set_ap_uapsd = 0;
4474                 else {
4475                         wpa_s->set_ap_uapsd = 1;
4476                         wpa_s->ap_uapsd = atoi(param);
4477                 }
4478                 return 0;
4479         }
4480
4481         if (os_strcmp(cmd, "client_apsd") == 0) {
4482                 if (os_strcmp(param, "disable") == 0)
4483                         wpa_s->set_sta_uapsd = 0;
4484                 else {
4485                         int be, bk, vi, vo;
4486                         char *pos;
4487                         /* format: BE,BK,VI,VO;max SP Length */
4488                         be = atoi(param);
4489                         pos = os_strchr(param, ',');
4490                         if (pos == NULL)
4491                                 return -1;
4492                         pos++;
4493                         bk = atoi(pos);
4494                         pos = os_strchr(pos, ',');
4495                         if (pos == NULL)
4496                                 return -1;
4497                         pos++;
4498                         vi = atoi(pos);
4499                         pos = os_strchr(pos, ',');
4500                         if (pos == NULL)
4501                                 return -1;
4502                         pos++;
4503                         vo = atoi(pos);
4504                         /* ignore max SP Length for now */
4505
4506                         wpa_s->set_sta_uapsd = 1;
4507                         wpa_s->sta_uapsd = 0;
4508                         if (be)
4509                                 wpa_s->sta_uapsd |= BIT(0);
4510                         if (bk)
4511                                 wpa_s->sta_uapsd |= BIT(1);
4512                         if (vi)
4513                                 wpa_s->sta_uapsd |= BIT(2);
4514                         if (vo)
4515                                 wpa_s->sta_uapsd |= BIT(3);
4516                 }
4517                 return 0;
4518         }
4519
4520         if (os_strcmp(cmd, "disallow_freq") == 0)
4521                 return p2p_ctrl_disallow_freq(wpa_s, param);
4522
4523         if (os_strcmp(cmd, "disc_int") == 0) {
4524                 int min_disc_int, max_disc_int, max_disc_tu;
4525                 char *pos;
4526
4527                 pos = param;
4528
4529                 min_disc_int = atoi(pos);
4530                 pos = os_strchr(pos, ' ');
4531                 if (pos == NULL)
4532                         return -1;
4533                 *pos++ = '\0';
4534
4535                 max_disc_int = atoi(pos);
4536                 pos = os_strchr(pos, ' ');
4537                 if (pos == NULL)
4538                         return -1;
4539                 *pos++ = '\0';
4540
4541                 max_disc_tu = atoi(pos);
4542
4543                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4544                                         max_disc_int, max_disc_tu);
4545         }
4546
4547         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4548                    cmd);
4549
4550         return -1;
4551 }
4552
4553
4554 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
4555 {
4556         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4557         wpa_s->force_long_sd = 0;
4558         if (wpa_s->global->p2p)
4559                 p2p_flush(wpa_s->global->p2p);
4560 }
4561
4562
4563 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4564 {
4565         char *pos, *pos2;
4566         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4567
4568         if (cmd[0]) {
4569                 pos = os_strchr(cmd, ' ');
4570                 if (pos == NULL)
4571                         return -1;
4572                 *pos++ = '\0';
4573                 dur1 = atoi(cmd);
4574
4575                 pos2 = os_strchr(pos, ' ');
4576                 if (pos2)
4577                         *pos2++ = '\0';
4578                 int1 = atoi(pos);
4579         } else
4580                 pos2 = NULL;
4581
4582         if (pos2) {
4583                 pos = os_strchr(pos2, ' ');
4584                 if (pos == NULL)
4585                         return -1;
4586                 *pos++ = '\0';
4587                 dur2 = atoi(pos2);
4588                 int2 = atoi(pos);
4589         }
4590
4591         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4592 }
4593
4594
4595 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4596 {
4597         char *pos;
4598         unsigned int period = 0, interval = 0;
4599
4600         if (cmd[0]) {
4601                 pos = os_strchr(cmd, ' ');
4602                 if (pos == NULL)
4603                         return -1;
4604                 *pos++ = '\0';
4605                 period = atoi(cmd);
4606                 interval = atoi(pos);
4607         }
4608
4609         return wpas_p2p_ext_listen(wpa_s, period, interval);
4610 }
4611
4612 #endif /* CONFIG_P2P */
4613
4614
4615 #ifdef CONFIG_INTERWORKING
4616 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4617 {
4618         u8 bssid[ETH_ALEN];
4619         struct wpa_bss *bss;
4620
4621         if (hwaddr_aton(dst, bssid)) {
4622                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4623                 return -1;
4624         }
4625
4626         bss = wpa_bss_get_bssid(wpa_s, bssid);
4627         if (bss == NULL) {
4628                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4629                            MAC2STR(bssid));
4630                 return -1;
4631         }
4632
4633         return interworking_connect(wpa_s, bss);
4634 }
4635
4636
4637 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4638 {
4639         u8 dst_addr[ETH_ALEN];
4640         int used;
4641         char *pos;
4642 #define MAX_ANQP_INFO_ID 100
4643         u16 id[MAX_ANQP_INFO_ID];
4644         size_t num_id = 0;
4645
4646         used = hwaddr_aton2(dst, dst_addr);
4647         if (used < 0)
4648                 return -1;
4649         pos = dst + used;
4650         while (num_id < MAX_ANQP_INFO_ID) {
4651                 id[num_id] = atoi(pos);
4652                 if (id[num_id])
4653                         num_id++;
4654                 pos = os_strchr(pos + 1, ',');
4655                 if (pos == NULL)
4656                         break;
4657                 pos++;
4658         }
4659
4660         if (num_id == 0)
4661                 return -1;
4662
4663         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4664 }
4665
4666
4667 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4668 {
4669         u8 dst_addr[ETH_ALEN];
4670         struct wpabuf *advproto, *query = NULL;
4671         int used, ret = -1;
4672         char *pos, *end;
4673         size_t len;
4674
4675         used = hwaddr_aton2(cmd, dst_addr);
4676         if (used < 0)
4677                 return -1;
4678
4679         pos = cmd + used;
4680         while (*pos == ' ')
4681                 pos++;
4682
4683         /* Advertisement Protocol ID */
4684         end = os_strchr(pos, ' ');
4685         if (end)
4686                 len = end - pos;
4687         else
4688                 len = os_strlen(pos);
4689         if (len & 0x01)
4690                 return -1;
4691         len /= 2;
4692         if (len == 0)
4693                 return -1;
4694         advproto = wpabuf_alloc(len);
4695         if (advproto == NULL)
4696                 return -1;
4697         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4698                 goto fail;
4699
4700         if (end) {
4701                 /* Optional Query Request */
4702                 pos = end + 1;
4703                 while (*pos == ' ')
4704                         pos++;
4705
4706                 len = os_strlen(pos);
4707                 if (len) {
4708                         if (len & 0x01)
4709                                 goto fail;
4710                         len /= 2;
4711                         if (len == 0)
4712                                 goto fail;
4713                         query = wpabuf_alloc(len);
4714                         if (query == NULL)
4715                                 goto fail;
4716                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4717                                 goto fail;
4718                 }
4719         }
4720
4721         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4722
4723 fail:
4724         wpabuf_free(advproto);
4725         wpabuf_free(query);
4726
4727         return ret;
4728 }
4729
4730
4731 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4732                             size_t buflen)
4733 {
4734         u8 addr[ETH_ALEN];
4735         int dialog_token;
4736         int used;
4737         char *pos;
4738         size_t resp_len, start, requested_len;
4739
4740         if (!wpa_s->last_gas_resp)
4741                 return -1;
4742
4743         used = hwaddr_aton2(cmd, addr);
4744         if (used < 0)
4745                 return -1;
4746
4747         pos = cmd + used;
4748         while (*pos == ' ')
4749                 pos++;
4750         dialog_token = atoi(pos);
4751
4752         if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4753             dialog_token != wpa_s->last_gas_dialog_token)
4754                 return -1;
4755
4756         resp_len = wpabuf_len(wpa_s->last_gas_resp);
4757         start = 0;
4758         requested_len = resp_len;
4759
4760         pos = os_strchr(pos, ' ');
4761         if (pos) {
4762                 start = atoi(pos);
4763                 if (start > resp_len)
4764                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4765                 pos = os_strchr(pos, ',');
4766                 if (pos == NULL)
4767                         return -1;
4768                 pos++;
4769                 requested_len = atoi(pos);
4770                 if (start + requested_len > resp_len)
4771                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4772         }
4773
4774         if (requested_len * 2 + 1 > buflen)
4775                 return os_snprintf(buf, buflen, "FAIL-Too long response");
4776
4777         return wpa_snprintf_hex(buf, buflen,
4778                                 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4779                                 requested_len);
4780 }
4781 #endif /* CONFIG_INTERWORKING */
4782
4783
4784 #ifdef CONFIG_HS20
4785
4786 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4787 {
4788         u8 dst_addr[ETH_ALEN];
4789         int used;
4790         char *pos;
4791         u32 subtypes = 0;
4792
4793         used = hwaddr_aton2(dst, dst_addr);
4794         if (used < 0)
4795                 return -1;
4796         pos = dst + used;
4797         for (;;) {
4798                 int num = atoi(pos);
4799                 if (num <= 0 || num > 31)
4800                         return -1;
4801                 subtypes |= BIT(num);
4802                 pos = os_strchr(pos + 1, ',');
4803                 if (pos == NULL)
4804                         break;
4805                 pos++;
4806         }
4807
4808         if (subtypes == 0)
4809                 return -1;
4810
4811         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4812 }
4813
4814
4815 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4816                                     const u8 *addr, const char *realm)
4817 {
4818         u8 *buf;
4819         size_t rlen, len;
4820         int ret;
4821
4822         rlen = os_strlen(realm);
4823         len = 3 + rlen;
4824         buf = os_malloc(len);
4825         if (buf == NULL)
4826                 return -1;
4827         buf[0] = 1; /* NAI Home Realm Count */
4828         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4829         buf[2] = rlen;
4830         os_memcpy(buf + 3, realm, rlen);
4831
4832         ret = hs20_anqp_send_req(wpa_s, addr,
4833                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4834                                  buf, len);
4835
4836         os_free(buf);
4837
4838         return ret;
4839 }
4840
4841
4842 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4843                                         char *dst)
4844 {
4845         struct wpa_cred *cred = wpa_s->conf->cred;
4846         u8 dst_addr[ETH_ALEN];
4847         int used;
4848         u8 *buf;
4849         size_t len;
4850         int ret;
4851
4852         used = hwaddr_aton2(dst, dst_addr);
4853         if (used < 0)
4854                 return -1;
4855
4856         while (dst[used] == ' ')
4857                 used++;
4858         if (os_strncmp(dst + used, "realm=", 6) == 0)
4859                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4860                                                 dst + used + 6);
4861
4862         len = os_strlen(dst + used);
4863
4864         if (len == 0 && cred && cred->realm)
4865                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4866
4867         if (len % 1)
4868                 return -1;
4869         len /= 2;
4870         buf = os_malloc(len);
4871         if (buf == NULL)
4872                 return -1;
4873         if (hexstr2bin(dst + used, buf, len) < 0) {
4874                 os_free(buf);
4875                 return -1;
4876         }
4877
4878         ret = hs20_anqp_send_req(wpa_s, dst_addr,
4879                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4880                                  buf, len);
4881         os_free(buf);
4882
4883         return ret;
4884 }
4885
4886 #endif /* CONFIG_HS20 */
4887
4888
4889 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4890         struct wpa_supplicant *wpa_s, char *cmd)
4891 {
4892         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4893         return 0;
4894 }
4895
4896
4897 #ifdef CONFIG_AUTOSCAN
4898
4899 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4900                                               char *cmd)
4901 {
4902         enum wpa_states state = wpa_s->wpa_state;
4903         char *new_params = NULL;
4904
4905         if (os_strlen(cmd) > 0) {
4906                 new_params = os_strdup(cmd);
4907                 if (new_params == NULL)
4908                         return -1;
4909         }
4910
4911         os_free(wpa_s->conf->autoscan);
4912         wpa_s->conf->autoscan = new_params;
4913
4914         if (wpa_s->conf->autoscan == NULL)
4915                 autoscan_deinit(wpa_s);
4916         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4917                 autoscan_init(wpa_s, 1);
4918         else if (state == WPA_SCANNING)
4919                 wpa_supplicant_reinit_autoscan(wpa_s);
4920
4921         return 0;
4922 }
4923
4924 #endif /* CONFIG_AUTOSCAN */
4925
4926
4927 #ifdef CONFIG_WNM
4928
4929 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
4930 {
4931         int enter;
4932         int intval = 0;
4933         char *pos;
4934         int ret;
4935         struct wpabuf *tfs_req = NULL;
4936
4937         if (os_strncmp(cmd, "enter", 5) == 0)
4938                 enter = 1;
4939         else if (os_strncmp(cmd, "exit", 4) == 0)
4940                 enter = 0;
4941         else
4942                 return -1;
4943
4944         pos = os_strstr(cmd, " interval=");
4945         if (pos)
4946                 intval = atoi(pos + 10);
4947
4948         pos = os_strstr(cmd, " tfs_req=");
4949         if (pos) {
4950                 char *end;
4951                 size_t len;
4952                 pos += 9;
4953                 end = os_strchr(pos, ' ');
4954                 if (end)
4955                         len = end - pos;
4956                 else
4957                         len = os_strlen(pos);
4958                 if (len & 1)
4959                         return -1;
4960                 len /= 2;
4961                 tfs_req = wpabuf_alloc(len);
4962                 if (tfs_req == NULL)
4963                         return -1;
4964                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
4965                         wpabuf_free(tfs_req);
4966                         return -1;
4967                 }
4968         }
4969
4970         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
4971                                            WNM_SLEEP_MODE_EXIT, intval,
4972                                            tfs_req);
4973         wpabuf_free(tfs_req);
4974
4975         return ret;
4976 }
4977
4978
4979 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
4980 {
4981         int query_reason;
4982
4983         query_reason = atoi(cmd);
4984
4985         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
4986                    query_reason);
4987
4988         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
4989 }
4990
4991 #endif /* CONFIG_WNM */
4992
4993
4994 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
4995                                       size_t buflen)
4996 {
4997         struct wpa_signal_info si;
4998         int ret;
4999
5000         ret = wpa_drv_signal_poll(wpa_s, &si);
5001         if (ret)
5002                 return -1;
5003
5004         ret = os_snprintf(buf, buflen, "RSSI=%d\nLINKSPEED=%d\n"
5005                           "NOISE=%d\nFREQUENCY=%u\n",
5006                           si.current_signal, si.current_txrate / 1000,
5007                           si.current_noise, si.frequency);
5008         if (ret < 0 || (unsigned int) ret > buflen)
5009                 return -1;
5010         return ret;
5011 }
5012
5013
5014 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
5015                                       size_t buflen)
5016 {
5017         struct hostap_sta_driver_data sta;
5018         int ret;
5019
5020         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
5021         if (ret)
5022                 return -1;
5023
5024         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
5025                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
5026         if (ret < 0 || (size_t) ret > buflen)
5027                 return -1;
5028         return ret;
5029 }
5030
5031
5032 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
5033 {
5034         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
5035
5036 #ifdef CONFIG_P2P
5037         wpas_p2p_stop_find(wpa_s);
5038         p2p_ctrl_flush(wpa_s);
5039         wpas_p2p_group_remove(wpa_s, "*");
5040 #endif /* CONFIG_P2P */
5041
5042 #ifdef CONFIG_WPS_TESTING
5043         wps_version_number = 0x20;
5044         wps_testing_dummy_cred = 0;
5045 #endif /* CONFIG_WPS_TESTING */
5046 #ifdef CONFIG_WPS
5047         wpas_wps_cancel(wpa_s);
5048 #endif /* CONFIG_WPS */
5049
5050 #ifdef CONFIG_TDLS_TESTING
5051         extern unsigned int tdls_testing;
5052         tdls_testing = 0;
5053 #endif /* CONFIG_TDLS_TESTING */
5054 #ifdef CONFIG_TDLS
5055         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
5056         wpa_tdls_enable(wpa_s->wpa, 1);
5057 #endif /* CONFIG_TDLS */
5058
5059         wpa_s->no_keep_alive = 0;
5060
5061         os_free(wpa_s->disallow_aps_bssid);
5062         wpa_s->disallow_aps_bssid = NULL;
5063         wpa_s->disallow_aps_bssid_count = 0;
5064         os_free(wpa_s->disallow_aps_ssid);
5065         wpa_s->disallow_aps_ssid = NULL;
5066         wpa_s->disallow_aps_ssid_count = 0;
5067
5068         wpa_s->set_sta_uapsd = 0;
5069         wpa_s->sta_uapsd = 0;
5070
5071         wpa_drv_radio_disable(wpa_s, 0);
5072
5073         wpa_bss_flush(wpa_s);
5074         wpa_blacklist_clear(wpa_s);
5075         wpa_s->extra_blacklist_count = 0;
5076         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
5077         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
5078 }
5079
5080
5081 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
5082                                          char *buf, size_t *resp_len)
5083 {
5084         char *reply;
5085         const int reply_size = 4096;
5086         int ctrl_rsp = 0;
5087         int reply_len;
5088
5089         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
5090             os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
5091             os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
5092             os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0 ||
5093             os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
5094                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
5095                                       (const u8 *) buf, os_strlen(buf));
5096         } else {
5097                 int level = MSG_DEBUG;
5098                 if (os_strcmp(buf, "PING") == 0)
5099                         level = MSG_EXCESSIVE;
5100                 wpa_hexdump_ascii(level, "RX ctrl_iface",
5101                                   (const u8 *) buf, os_strlen(buf));
5102                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
5103         }
5104
5105         reply = os_malloc(reply_size);
5106         if (reply == NULL) {
5107                 *resp_len = 1;
5108                 return NULL;
5109         }
5110
5111         os_memcpy(reply, "OK\n", 3);
5112         reply_len = 3;
5113
5114         if (os_strcmp(buf, "PING") == 0) {
5115                 os_memcpy(reply, "PONG\n", 5);
5116                 reply_len = 5;
5117         } else if (os_strcmp(buf, "IFNAME") == 0) {
5118                 reply_len = os_strlen(wpa_s->ifname);
5119                 os_memcpy(reply, wpa_s->ifname, reply_len);
5120         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
5121                 if (wpa_debug_reopen_file() < 0)
5122                         reply_len = -1;
5123         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
5124                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
5125         } else if (os_strcmp(buf, "MIB") == 0) {
5126                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
5127                 if (reply_len >= 0) {
5128                         int res;
5129                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
5130                                                reply_size - reply_len);
5131                         if (res < 0)
5132                                 reply_len = -1;
5133                         else
5134                                 reply_len += res;
5135                 }
5136         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
5137                 reply_len = wpa_supplicant_ctrl_iface_status(
5138                         wpa_s, buf + 6, reply, reply_size);
5139         } else if (os_strcmp(buf, "PMKSA") == 0) {
5140                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
5141                                                     reply_size);
5142         } else if (os_strncmp(buf, "SET ", 4) == 0) {
5143                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
5144                         reply_len = -1;
5145         } else if (os_strncmp(buf, "GET ", 4) == 0) {
5146                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
5147                                                           reply, reply_size);
5148         } else if (os_strcmp(buf, "LOGON") == 0) {
5149                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5150         } else if (os_strcmp(buf, "LOGOFF") == 0) {
5151                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
5152         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
5153                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5154                         reply_len = -1;
5155                 else
5156                         wpas_request_connection(wpa_s);
5157         } else if (os_strcmp(buf, "RECONNECT") == 0) {
5158                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5159                         reply_len = -1;
5160                 else if (wpa_s->disconnected)
5161                         wpas_request_connection(wpa_s);
5162 #ifdef IEEE8021X_EAPOL
5163         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
5164                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
5165                         reply_len = -1;
5166 #endif /* IEEE8021X_EAPOL */
5167 #ifdef CONFIG_PEERKEY
5168         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
5169                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
5170                         reply_len = -1;
5171 #endif /* CONFIG_PEERKEY */
5172 #ifdef CONFIG_IEEE80211R
5173         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
5174                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
5175                         reply_len = -1;
5176 #endif /* CONFIG_IEEE80211R */
5177 #ifdef CONFIG_WPS
5178         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
5179                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
5180                 if (res == -2) {
5181                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5182                         reply_len = 17;
5183                 } else if (res)
5184                         reply_len = -1;
5185         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
5186                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
5187                 if (res == -2) {
5188                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5189                         reply_len = 17;
5190                 } else if (res)
5191                         reply_len = -1;
5192         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
5193                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
5194                                                               reply,
5195                                                               reply_size);
5196         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
5197                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
5198                         wpa_s, buf + 14, reply, reply_size);
5199         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
5200                 if (wpas_wps_cancel(wpa_s))
5201                         reply_len = -1;
5202 #ifdef CONFIG_WPS_NFC
5203         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
5204                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
5205                         reply_len = -1;
5206         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
5207                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
5208                         reply_len = -1;
5209         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
5210                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
5211                         wpa_s, buf + 21, reply, reply_size);
5212         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
5213                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
5214                         wpa_s, buf + 14, reply, reply_size);
5215         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
5216                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
5217                                                                buf + 17))
5218                         reply_len = -1;
5219         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
5220                 reply_len = wpas_ctrl_nfc_get_handover_req(
5221                         wpa_s, buf + 21, reply, reply_size);
5222         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
5223                 reply_len = wpas_ctrl_nfc_get_handover_sel(
5224                         wpa_s, buf + 21, reply, reply_size);
5225         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
5226                 reply_len = wpas_ctrl_nfc_rx_handover_req(
5227                         wpa_s, buf + 20, reply, reply_size);
5228         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
5229                 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
5230                         reply_len = -1;
5231         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
5232                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
5233                         reply_len = -1;
5234 #endif /* CONFIG_WPS_NFC */
5235         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
5236                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
5237                         reply_len = -1;
5238 #ifdef CONFIG_AP
5239         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
5240                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
5241                         wpa_s, buf + 11, reply, reply_size);
5242 #endif /* CONFIG_AP */
5243 #ifdef CONFIG_WPS_ER
5244         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
5245                 if (wpas_wps_er_start(wpa_s, NULL))
5246                         reply_len = -1;
5247         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
5248                 if (wpas_wps_er_start(wpa_s, buf + 13))
5249                         reply_len = -1;
5250         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
5251                 if (wpas_wps_er_stop(wpa_s))
5252                         reply_len = -1;
5253         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
5254                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
5255                         reply_len = -1;
5256         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
5257                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
5258                 if (ret == -2) {
5259                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5260                         reply_len = 17;
5261                 } else if (ret == -3) {
5262                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
5263                         reply_len = 18;
5264                 } else if (ret == -4) {
5265                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
5266                         reply_len = 20;
5267                 } else if (ret)
5268                         reply_len = -1;
5269         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
5270                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
5271                         reply_len = -1;
5272         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
5273                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
5274                                                                 buf + 18))
5275                         reply_len = -1;
5276         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
5277                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
5278                         reply_len = -1;
5279 #ifdef CONFIG_WPS_NFC
5280         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
5281                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
5282                         wpa_s, buf + 24, reply, reply_size);
5283 #endif /* CONFIG_WPS_NFC */
5284 #endif /* CONFIG_WPS_ER */
5285 #endif /* CONFIG_WPS */
5286 #ifdef CONFIG_IBSS_RSN
5287         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
5288                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
5289                         reply_len = -1;
5290 #endif /* CONFIG_IBSS_RSN */
5291 #ifdef CONFIG_P2P
5292         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
5293                 if (p2p_ctrl_find(wpa_s, buf + 9))
5294                         reply_len = -1;
5295         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
5296                 if (p2p_ctrl_find(wpa_s, ""))
5297                         reply_len = -1;
5298         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
5299                 wpas_p2p_stop_find(wpa_s);
5300         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
5301                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
5302                                              reply_size);
5303         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
5304                 if (p2p_ctrl_listen(wpa_s, buf + 11))
5305                         reply_len = -1;
5306         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
5307                 if (p2p_ctrl_listen(wpa_s, ""))
5308                         reply_len = -1;
5309         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
5310                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
5311                         reply_len = -1;
5312         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
5313                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0))
5314                         reply_len = -1;
5315         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
5316                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
5317                         reply_len = -1;
5318         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
5319                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
5320                         reply_len = -1;
5321         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
5322                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
5323         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
5324                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
5325                                                    reply_size);
5326         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
5327                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
5328                         reply_len = -1;
5329         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
5330                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
5331                         reply_len = -1;
5332         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
5333                 wpas_p2p_sd_service_update(wpa_s);
5334         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
5335                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
5336                         reply_len = -1;
5337         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
5338                 wpas_p2p_service_flush(wpa_s);
5339         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
5340                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
5341                         reply_len = -1;
5342         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
5343                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
5344                         reply_len = -1;
5345         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
5346                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
5347                         reply_len = -1;
5348         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
5349                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
5350                         reply_len = -1;
5351         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
5352                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
5353                                               reply_size);
5354         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
5355                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
5356                         reply_len = -1;
5357         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
5358                 p2p_ctrl_flush(wpa_s);
5359         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
5360                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
5361                         reply_len = -1;
5362         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
5363                 if (wpas_p2p_cancel(wpa_s))
5364                         reply_len = -1;
5365         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
5366                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
5367                         reply_len = -1;
5368         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
5369                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
5370                         reply_len = -1;
5371         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
5372                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
5373                         reply_len = -1;
5374         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
5375                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
5376                         reply_len = -1;
5377 #endif /* CONFIG_P2P */
5378 #ifdef CONFIG_WIFI_DISPLAY
5379         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
5380                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
5381                         reply_len = -1;
5382         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
5383                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
5384                                                      reply, reply_size);
5385 #endif /* CONFIG_WIFI_DISPLAY */
5386 #ifdef CONFIG_INTERWORKING
5387         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
5388                 if (interworking_fetch_anqp(wpa_s) < 0)
5389                         reply_len = -1;
5390         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
5391                 interworking_stop_fetch_anqp(wpa_s);
5392         } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
5393                 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
5394                                         NULL) < 0)
5395                         reply_len = -1;
5396         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
5397                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
5398                         reply_len = -1;
5399         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
5400                 if (get_anqp(wpa_s, buf + 9) < 0)
5401                         reply_len = -1;
5402         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
5403                 if (gas_request(wpa_s, buf + 12) < 0)
5404                         reply_len = -1;
5405         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
5406                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
5407                                              reply_size);
5408 #endif /* CONFIG_INTERWORKING */
5409 #ifdef CONFIG_HS20
5410         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
5411                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
5412                         reply_len = -1;
5413         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
5414                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
5415                         reply_len = -1;
5416 #endif /* CONFIG_HS20 */
5417         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
5418         {
5419                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
5420                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
5421                         reply_len = -1;
5422                 else
5423                         ctrl_rsp = 1;
5424         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
5425                 if (wpa_supplicant_reload_configuration(wpa_s))
5426                         reply_len = -1;
5427         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5428                 wpa_supplicant_terminate_proc(wpa_s->global);
5429         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
5430                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
5431                         reply_len = -1;
5432         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
5433                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
5434                         wpa_s, buf + 9, reply, reply_size);
5435         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
5436                 reply_len = wpa_supplicant_ctrl_iface_log_level(
5437                         wpa_s, buf + 9, reply, reply_size);
5438         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
5439                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
5440                         wpa_s, reply, reply_size);
5441         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
5442 #ifdef CONFIG_SME
5443                 wpa_s->sme.prev_bssid_set = 0;
5444 #endif /* CONFIG_SME */
5445                 wpa_s->reassociate = 0;
5446                 wpa_s->disconnected = 1;
5447                 wpa_supplicant_cancel_sched_scan(wpa_s);
5448                 wpa_supplicant_cancel_scan(wpa_s);
5449                 wpa_supplicant_deauthenticate(wpa_s,
5450                                               WLAN_REASON_DEAUTH_LEAVING);
5451         } else if (os_strcmp(buf, "SCAN") == 0 ||
5452                    os_strncmp(buf, "SCAN ", 5) == 0) {
5453                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5454                         reply_len = -1;
5455                 else {
5456                         if (os_strlen(buf) > 4 &&
5457                             os_strncasecmp(buf + 5, "TYPE=ONLY", 9) == 0)
5458                                 wpa_s->scan_res_handler = scan_only_handler;
5459                         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5460                             ((wpa_s->wpa_state <= WPA_SCANNING) ||
5461                              (wpa_s->wpa_state == WPA_COMPLETED))) {
5462                                 wpa_s->normal_scans = 0;
5463                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5464                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5465                         } else if (wpa_s->sched_scanning) {
5466                                 wpa_printf(MSG_DEBUG, "Stop ongoing "
5467                                            "sched_scan to allow requested "
5468                                            "full scan to proceed");
5469                                 wpa_supplicant_cancel_sched_scan(wpa_s);
5470                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5471                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5472                         } else {
5473                                 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
5474                                            "reject new request");
5475                                 reply_len = os_snprintf(reply, reply_size,
5476                                                         "FAIL-BUSY\n");
5477                         }
5478                 }
5479         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
5480                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
5481                         wpa_s, reply, reply_size);
5482         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
5483                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
5484                         reply_len = -1;
5485         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
5486                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
5487                         reply_len = -1;
5488         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
5489                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
5490                         reply_len = -1;
5491         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
5492                 reply_len = wpa_supplicant_ctrl_iface_add_network(
5493                         wpa_s, reply, reply_size);
5494         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
5495                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
5496                         reply_len = -1;
5497         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5498                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
5499                         reply_len = -1;
5500         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
5501                 reply_len = wpa_supplicant_ctrl_iface_get_network(
5502                         wpa_s, buf + 12, reply, reply_size);
5503         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
5504                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
5505                         wpa_s, reply, reply_size);
5506         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
5507                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
5508                         wpa_s, reply, reply_size);
5509         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
5510                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
5511                         reply_len = -1;
5512         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
5513                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
5514                         reply_len = -1;
5515 #ifndef CONFIG_NO_CONFIG_WRITE
5516         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
5517                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
5518                         reply_len = -1;
5519 #endif /* CONFIG_NO_CONFIG_WRITE */
5520         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
5521                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
5522                         wpa_s, buf + 15, reply, reply_size);
5523         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
5524                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
5525                         reply_len = -1;
5526         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
5527                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
5528                         reply_len = -1;
5529         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5530                 reply_len = wpa_supplicant_global_iface_list(
5531                         wpa_s->global, reply, reply_size);
5532         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5533                 reply_len = wpa_supplicant_global_iface_interfaces(
5534                         wpa_s->global, reply, reply_size);
5535         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
5536                 reply_len = wpa_supplicant_ctrl_iface_bss(
5537                         wpa_s, buf + 4, reply, reply_size);
5538 #ifdef CONFIG_AP
5539         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
5540                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
5541         } else if (os_strncmp(buf, "STA ", 4) == 0) {
5542                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
5543                                               reply_size);
5544         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
5545                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
5546                                                    reply_size);
5547         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
5548                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
5549                         reply_len = -1;
5550         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
5551                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
5552                         reply_len = -1;
5553 #endif /* CONFIG_AP */
5554         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5555                 wpas_notify_suspend(wpa_s->global);
5556         } else if (os_strcmp(buf, "RESUME") == 0) {
5557                 wpas_notify_resume(wpa_s->global);
5558         } else if (os_strcmp(buf, "DROP_SA") == 0) {
5559                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
5560         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
5561                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
5562                         reply_len = -1;
5563         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
5564                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
5565                         reply_len = -1;
5566         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
5567                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
5568                         reply_len = -1;
5569         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
5570                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
5571                                                                buf + 17))
5572                         reply_len = -1;
5573         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
5574                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
5575                         reply_len = -1;
5576 #ifdef CONFIG_TDLS
5577         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
5578                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
5579                         reply_len = -1;
5580         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
5581                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
5582                         reply_len = -1;
5583         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
5584                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
5585                         reply_len = -1;
5586 #endif /* CONFIG_TDLS */
5587         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
5588                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
5589                                                        reply_size);
5590         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
5591                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
5592                                                        reply_size);
5593 #ifdef CONFIG_AUTOSCAN
5594         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
5595                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
5596                         reply_len = -1;
5597 #endif /* CONFIG_AUTOSCAN */
5598         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
5599                 pmksa_cache_clear_current(wpa_s->wpa);
5600                 eapol_sm_request_reauth(wpa_s->eapol);
5601 #ifdef CONFIG_WNM
5602         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
5603                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
5604                         reply_len = -1;
5605         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 10) == 0) {
5606                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 10))
5607                                 reply_len = -1;
5608 #endif /* CONFIG_WNM */
5609         } else if (os_strcmp(buf, "FLUSH") == 0) {
5610                 wpa_supplicant_ctrl_iface_flush(wpa_s);
5611         } else {
5612                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5613                 reply_len = 16;
5614         }
5615
5616         if (reply_len < 0) {
5617                 os_memcpy(reply, "FAIL\n", 5);
5618                 reply_len = 5;
5619         }
5620
5621         if (ctrl_rsp)
5622                 eapol_sm_notify_ctrl_response(wpa_s->eapol);
5623
5624         *resp_len = reply_len;
5625         return reply;
5626 }
5627
5628
5629 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
5630                                            char *cmd)
5631 {
5632         struct wpa_interface iface;
5633         char *pos;
5634
5635         /*
5636          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
5637          * TAB<bridge_ifname>
5638          */
5639         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
5640
5641         os_memset(&iface, 0, sizeof(iface));
5642
5643         do {
5644                 iface.ifname = pos = cmd;
5645                 pos = os_strchr(pos, '\t');
5646                 if (pos)
5647                         *pos++ = '\0';
5648                 if (iface.ifname[0] == '\0')
5649                         return -1;
5650                 if (pos == NULL)
5651                         break;
5652
5653                 iface.confname = pos;
5654                 pos = os_strchr(pos, '\t');
5655                 if (pos)
5656                         *pos++ = '\0';
5657                 if (iface.confname[0] == '\0')
5658                         iface.confname = NULL;
5659                 if (pos == NULL)
5660                         break;
5661
5662                 iface.driver = pos;
5663                 pos = os_strchr(pos, '\t');
5664                 if (pos)
5665                         *pos++ = '\0';
5666                 if (iface.driver[0] == '\0')
5667                         iface.driver = NULL;
5668                 if (pos == NULL)
5669                         break;
5670
5671                 iface.ctrl_interface = pos;
5672                 pos = os_strchr(pos, '\t');
5673                 if (pos)
5674                         *pos++ = '\0';
5675                 if (iface.ctrl_interface[0] == '\0')
5676                         iface.ctrl_interface = NULL;
5677                 if (pos == NULL)
5678                         break;
5679
5680                 iface.driver_param = pos;
5681                 pos = os_strchr(pos, '\t');
5682                 if (pos)
5683                         *pos++ = '\0';
5684                 if (iface.driver_param[0] == '\0')
5685                         iface.driver_param = NULL;
5686                 if (pos == NULL)
5687                         break;
5688
5689                 iface.bridge_ifname = pos;
5690                 pos = os_strchr(pos, '\t');
5691                 if (pos)
5692                         *pos++ = '\0';
5693                 if (iface.bridge_ifname[0] == '\0')
5694                         iface.bridge_ifname = NULL;
5695                 if (pos == NULL)
5696                         break;
5697         } while (0);
5698
5699         if (wpa_supplicant_get_iface(global, iface.ifname))
5700                 return -1;
5701
5702         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
5703 }
5704
5705
5706 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
5707                                               char *cmd)
5708 {
5709         struct wpa_supplicant *wpa_s;
5710
5711         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
5712
5713         wpa_s = wpa_supplicant_get_iface(global, cmd);
5714         if (wpa_s == NULL)
5715                 return -1;
5716         return wpa_supplicant_remove_iface(global, wpa_s, 0);
5717 }
5718
5719
5720 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5721 {
5722         struct wpa_interface_info *prev;
5723
5724         while (iface) {
5725                 prev = iface;
5726                 iface = iface->next;
5727
5728                 os_free(prev->ifname);
5729                 os_free(prev->desc);
5730                 os_free(prev);
5731         }
5732 }
5733
5734
5735 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5736                                             char *buf, int len)
5737 {
5738         int i, res;
5739         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5740         char *pos, *end;
5741
5742         for (i = 0; wpa_drivers[i]; i++) {
5743                 struct wpa_driver_ops *drv = wpa_drivers[i];
5744                 if (drv->get_interfaces == NULL)
5745                         continue;
5746                 tmp = drv->get_interfaces(global->drv_priv[i]);
5747                 if (tmp == NULL)
5748                         continue;
5749
5750                 if (last == NULL)
5751                         iface = last = tmp;
5752                 else
5753                         last->next = tmp;
5754                 while (last->next)
5755                         last = last->next;
5756         }
5757
5758         pos = buf;
5759         end = buf + len;
5760         for (tmp = iface; tmp; tmp = tmp->next) {
5761                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5762                                   tmp->drv_name, tmp->ifname,
5763                                   tmp->desc ? tmp->desc : "");
5764                 if (res < 0 || res >= end - pos) {
5765                         *pos = '\0';
5766                         break;
5767                 }
5768                 pos += res;
5769         }
5770
5771         wpa_free_iface_info(iface);
5772
5773         return pos - buf;
5774 }
5775
5776
5777 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5778                                                   char *buf, int len)
5779 {
5780         int res;
5781         char *pos, *end;
5782         struct wpa_supplicant *wpa_s;
5783
5784         wpa_s = global->ifaces;
5785         pos = buf;
5786         end = buf + len;
5787
5788         while (wpa_s) {
5789                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5790                 if (res < 0 || res >= end - pos) {
5791                         *pos = '\0';
5792                         break;
5793                 }
5794                 pos += res;
5795                 wpa_s = wpa_s->next;
5796         }
5797         return pos - buf;
5798 }
5799
5800
5801 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
5802                                                 char *buf, size_t *resp_len)
5803 {
5804         char *reply;
5805         const int reply_size = 2048;
5806         int reply_len;
5807         int level = MSG_DEBUG;
5808
5809         if (os_strcmp(buf, "PING") == 0)
5810                 level = MSG_EXCESSIVE;
5811         wpa_hexdump_ascii(level, "RX global ctrl_iface",
5812                           (const u8 *) buf, os_strlen(buf));
5813
5814         reply = os_malloc(reply_size);
5815         if (reply == NULL) {
5816                 *resp_len = 1;
5817                 return NULL;
5818         }
5819
5820         os_memcpy(reply, "OK\n", 3);
5821         reply_len = 3;
5822
5823         if (os_strcmp(buf, "PING") == 0) {
5824                 os_memcpy(reply, "PONG\n", 5);
5825                 reply_len = 5;
5826         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
5827                 if (wpa_supplicant_global_iface_add(global, buf + 14))
5828                         reply_len = -1;
5829         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
5830                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
5831                         reply_len = -1;
5832         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5833                 reply_len = wpa_supplicant_global_iface_list(
5834                         global, reply, reply_size);
5835         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5836                 reply_len = wpa_supplicant_global_iface_interfaces(
5837                         global, reply, reply_size);
5838         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5839                 wpa_supplicant_terminate_proc(global);
5840         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5841                 wpas_notify_suspend(global);
5842         } else if (os_strcmp(buf, "RESUME") == 0) {
5843                 wpas_notify_resume(global);
5844         } else {
5845                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5846                 reply_len = 16;
5847         }
5848
5849         if (reply_len < 0) {
5850                 os_memcpy(reply, "FAIL\n", 5);
5851                 reply_len = 5;
5852         }
5853
5854         *resp_len = reply_len;
5855         return reply;
5856 }