wpa_supplicant/ctrl_iface.c

   1 /*
   2  * WPA Supplicant / Control interface (shared code for all backends)
   3  * Copyright (c) 2004-2012, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10
  11 #include "utils/common.h"
  12 #include "utils/eloop.h"
  13 #include "common/version.h"
  14 #include "common/ieee802_11_defs.h"
  15 #include "common/ieee802_11_common.h"
  16 #include "common/wpa_ctrl.h"
  17 #include "eap_peer/eap.h"
  18 #include "eapol_supp/eapol_supp_sm.h"
  19 #include "rsn_supp/wpa.h"
  20 #include "rsn_supp/preauth.h"
  21 #include "rsn_supp/pmksa_cache.h"
  22 #include "l2_packet/l2_packet.h"
  23 #include "wps/wps.h"
  24 #include "config.h"
  25 #include "wpa_supplicant_i.h"
  26 #include "driver_i.h"
  27 #include "wps_supplicant.h"
  28 #include "ibss_rsn.h"
  29 #include "ap.h"
  30 #include "p2p_supplicant.h"
  31 #include "p2p/p2p.h"
  32 #include "hs20_supplicant.h"
  33 #include "wifi_display.h"
  34 #include "notify.h"
  35 #include "bss.h"
  36 #include "scan.h"
  37 #include "ctrl_iface.h"
  38 #include "interworking.h"
  39 #include "blacklist.h"
  40 #include "autoscan.h"
  41 #include "wnm_sta.h"
  42
  43 extern struct wpa_driver_ops *wpa_drivers[];
  44
  45 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
  46                                             char *buf, int len);
  47 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
  48                                                   char *buf, int len);
  49
  50
  51 static int pno_start(struct wpa_supplicant *wpa_s)
  52 {
  53         int ret;
  54         size_t i, num_ssid;
  55         struct wpa_ssid *ssid;
  56         struct wpa_driver_scan_params params;
  57
  58         if (wpa_s->pno)
  59                 return 0;
  60
  61         if (wpa_s->wpa_state == WPA_SCANNING) {
  62                 wpa_supplicant_cancel_sched_scan(wpa_s);
  63                 wpa_supplicant_cancel_scan(wpa_s);
  64         }
  65
  66         os_memset(&params, 0, sizeof(params));
  67
  68         num_ssid = 0;
  69         ssid = wpa_s->conf->ssid;
  70         while (ssid) {
  71                 if (!wpas_network_disabled(wpa_s, ssid))
  72                         num_ssid++;
  73                 ssid = ssid->next;
  74         }
  75         if (num_ssid > WPAS_MAX_SCAN_SSIDS) {
  76                 wpa_printf(MSG_DEBUG, "PNO: Use only the first %u SSIDs from "
  77                            "%u", WPAS_MAX_SCAN_SSIDS, (unsigned int) num_ssid);
  78                 num_ssid = WPAS_MAX_SCAN_SSIDS;
  79         }
  80
  81         if (num_ssid == 0) {
  82                 wpa_printf(MSG_DEBUG, "PNO: No configured SSIDs");
  83                 return -1;
  84         }
  85
  86         params.filter_ssids = os_malloc(sizeof(struct wpa_driver_scan_filter) *
  87                                         num_ssid);
  88         if (params.filter_ssids == NULL)
  89                 return -1;
  90         i = 0;
  91         ssid = wpa_s->conf->ssid;
  92         while (ssid) {
  93                 if (!wpas_network_disabled(wpa_s, ssid)) {
  94                         params.ssids[i].ssid = ssid->ssid;
  95                         params.ssids[i].ssid_len = ssid->ssid_len;
  96                         params.num_ssids++;
  97                         os_memcpy(params.filter_ssids[i].ssid, ssid->ssid,
  98                                   ssid->ssid_len);
  99                         params.filter_ssids[i].ssid_len = ssid->ssid_len;
 100                         params.num_filter_ssids++;
 101                         i++;
 102                         if (i == num_ssid)
 103                                 break;
 104                 }
 105                 ssid = ssid->next;
 106         }
 107
 108         if (wpa_s->conf->filter_rssi)
 109                 params.filter_rssi = wpa_s->conf->filter_rssi;
 110
 111         ret = wpa_drv_sched_scan(wpa_s, &params, 10 * 1000);
 112         os_free(params.filter_ssids);
 113         if (ret == 0)
 114                 wpa_s->pno = 1;
 115         return ret;
 116 }
 117
 118
 119 static int pno_stop(struct wpa_supplicant *wpa_s)
 120 {
 121         int ret = 0;
 122
 123         if (wpa_s->pno) {
 124                 wpa_s->pno = 0;
 125                 ret = wpa_drv_stop_sched_scan(wpa_s);
 126         }
 127
 128         if (wpa_s->wpa_state == WPA_SCANNING)
 129                 wpa_supplicant_req_scan(wpa_s, 0, 0);
 130
 131         return ret;
 132 }
 133
 134
 135 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
 136 {
 137         char *pos;
 138         u8 addr[ETH_ALEN], *filter = NULL, *n;
 139         size_t count = 0;
 140
 141         pos = val;
 142         while (pos) {
 143                 if (*pos == '\0')
 144                         break;
 145                 if (hwaddr_aton(pos, addr)) {
 146                         os_free(filter);
 147                         return -1;
 148                 }
 149                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
 150                 if (n == NULL) {
 151                         os_free(filter);
 152                         return -1;
 153                 }
 154                 filter = n;
 155                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
 156                 count++;
 157
 158                 pos = os_strchr(pos, ' ');
 159                 if (pos)
 160                         pos++;
 161         }
 162
 163         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
 164         os_free(wpa_s->bssid_filter);
 165         wpa_s->bssid_filter = filter;
 166         wpa_s->bssid_filter_count = count;
 167
 168         return 0;
 169 }
 170
 171
 172 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
 173 {
 174         char *pos;
 175         u8 addr[ETH_ALEN], *bssid = NULL, *n;
 176         struct wpa_ssid_value *ssid = NULL, *ns;
 177         size_t count = 0, ssid_count = 0;
 178         struct wpa_ssid *c;
 179
 180         /*
 181          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | \93\94
 182          * SSID_SPEC ::= ssid <SSID_HEX>
 183          * BSSID_SPEC ::= bssid <BSSID_HEX>
 184          */
 185
 186         pos = val;
 187         while (pos) {
 188                 if (*pos == '\0')
 189                         break;
 190                 if (os_strncmp(pos, "bssid ", 6) == 0) {
 191                         int res;
 192                         pos += 6;
 193                         res = hwaddr_aton2(pos, addr);
 194                         if (res < 0) {
 195                                 os_free(ssid);
 196                                 os_free(bssid);
 197                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 198                                            "BSSID value '%s'", pos);
 199                                 return -1;
 200                         }
 201                         pos += res;
 202                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
 203                         if (n == NULL) {
 204                                 os_free(ssid);
 205                                 os_free(bssid);
 206                                 return -1;
 207                         }
 208                         bssid = n;
 209                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
 210                         count++;
 211                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
 212                         char *end;
 213                         pos += 5;
 214
 215                         end = pos;
 216                         while (*end) {
 217                                 if (*end == '\0' || *end == ' ')
 218                                         break;
 219                                 end++;
 220                         }
 221
 222                         ns = os_realloc_array(ssid, ssid_count + 1,
 223                                               sizeof(struct wpa_ssid_value));
 224                         if (ns == NULL) {
 225                                 os_free(ssid);
 226                                 os_free(bssid);
 227                                 return -1;
 228                         }
 229                         ssid = ns;
 230
 231                         if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
 232                             hexstr2bin(pos, ssid[ssid_count].ssid,
 233                                        (end - pos) / 2) < 0) {
 234                                 os_free(ssid);
 235                                 os_free(bssid);
 236                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 237                                            "SSID value '%s'", pos);
 238                                 return -1;
 239                         }
 240                         ssid[ssid_count].ssid_len = (end - pos) / 2;
 241                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
 242                                           ssid[ssid_count].ssid,
 243                                           ssid[ssid_count].ssid_len);
 244                         ssid_count++;
 245                         pos = end;
 246                 } else {
 247                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
 248                                    "'%s'", pos);
 249                         os_free(ssid);
 250                         os_free(bssid);
 251                         return -1;
 252                 }
 253
 254                 pos = os_strchr(pos, ' ');
 255                 if (pos)
 256                         pos++;
 257         }
 258
 259         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
 260         os_free(wpa_s->disallow_aps_bssid);
 261         wpa_s->disallow_aps_bssid = bssid;
 262         wpa_s->disallow_aps_bssid_count = count;
 263
 264         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
 265         os_free(wpa_s->disallow_aps_ssid);
 266         wpa_s->disallow_aps_ssid = ssid;
 267         wpa_s->disallow_aps_ssid_count = ssid_count;
 268
 269         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
 270                 return 0;
 271
 272         c = wpa_s->current_ssid;
 273         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
 274                 return 0;
 275
 276         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
 277             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
 278                 return 0;
 279
 280         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
 281                    "because current AP was marked disallowed");
 282
 283 #ifdef CONFIG_SME
 284         wpa_s->sme.prev_bssid_set = 0;
 285 #endif /* CONFIG_SME */
 286         wpa_s->reassociate = 1;
 287         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
 288         wpa_supplicant_req_scan(wpa_s, 0, 0);
 289
 290         return 0;
 291 }
 292
 293
 294 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
 295                                          char *cmd)
 296 {
 297         char *value;
 298         int ret = 0;
 299
 300         value = os_strchr(cmd, ' ');
 301         if (value == NULL)
 302                 return -1;
 303         *value++ = '\0';
 304
 305         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
 306         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
 307                 eapol_sm_configure(wpa_s->eapol,
 308                                    atoi(value), -1, -1, -1);
 309         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
 310                 eapol_sm_configure(wpa_s->eapol,
 311                                    -1, atoi(value), -1, -1);
 312         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
 313                 eapol_sm_configure(wpa_s->eapol,
 314                                    -1, -1, atoi(value), -1);
 315         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
 316                 eapol_sm_configure(wpa_s->eapol,
 317                                    -1, -1, -1, atoi(value));
 318         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
 319                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
 320                                      atoi(value)))
 321                         ret = -1;
 322         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
 323                    0) {
 324                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
 325                                      atoi(value)))
 326                         ret = -1;
 327         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
 328                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
 329                         ret = -1;
 330         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
 331                 wpa_s->wps_fragment_size = atoi(value);
 332 #ifdef CONFIG_WPS_TESTING
 333         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
 334                 long int val;
 335                 val = strtol(value, NULL, 0);
 336                 if (val < 0 || val > 0xff) {
 337                         ret = -1;
 338                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
 339                                    "wps_version_number %ld", val);
 340                 } else {
 341                         wps_version_number = val;
 342                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
 343                                    "version %u.%u",
 344                                    (wps_version_number & 0xf0) >> 4,
 345                                    wps_version_number & 0x0f);
 346                 }
 347         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
 348                 wps_testing_dummy_cred = atoi(value);
 349                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
 350                            wps_testing_dummy_cred);
 351 #endif /* CONFIG_WPS_TESTING */
 352         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
 353                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
 354                         ret = -1;
 355 #ifdef CONFIG_TDLS_TESTING
 356         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
 357                 extern unsigned int tdls_testing;
 358                 tdls_testing = strtol(value, NULL, 0);
 359                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
 360 #endif /* CONFIG_TDLS_TESTING */
 361 #ifdef CONFIG_TDLS
 362         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
 363                 int disabled = atoi(value);
 364                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
 365                 if (disabled) {
 366                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
 367                                 ret = -1;
 368                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
 369                         ret = -1;
 370                 wpa_tdls_enable(wpa_s->wpa, !disabled);
 371 #endif /* CONFIG_TDLS */
 372         } else if (os_strcasecmp(cmd, "pno") == 0) {
 373                 if (atoi(value))
 374                         ret = pno_start(wpa_s);
 375                 else
 376                         ret = pno_stop(wpa_s);
 377         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
 378                 int disabled = atoi(value);
 379                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
 380                         ret = -1;
 381                 else if (disabled)
 382                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
 383         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
 384                 if (os_strcmp(value, "disable") == 0)
 385                         wpa_s->set_sta_uapsd = 0;
 386                 else {
 387                         int be, bk, vi, vo;
 388                         char *pos;
 389                         /* format: BE,BK,VI,VO;max SP Length */
 390                         be = atoi(value);
 391                         pos = os_strchr(value, ',');
 392                         if (pos == NULL)
 393                                 return -1;
 394                         pos++;
 395                         bk = atoi(pos);
 396                         pos = os_strchr(pos, ',');
 397                         if (pos == NULL)
 398                                 return -1;
 399                         pos++;
 400                         vi = atoi(pos);
 401                         pos = os_strchr(pos, ',');
 402                         if (pos == NULL)
 403                                 return -1;
 404                         pos++;
 405                         vo = atoi(pos);
 406                         /* ignore max SP Length for now */
 407
 408                         wpa_s->set_sta_uapsd = 1;
 409                         wpa_s->sta_uapsd = 0;
 410                         if (be)
 411                                 wpa_s->sta_uapsd |= BIT(0);
 412                         if (bk)
 413                                 wpa_s->sta_uapsd |= BIT(1);
 414                         if (vi)
 415                                 wpa_s->sta_uapsd |= BIT(2);
 416                         if (vo)
 417                                 wpa_s->sta_uapsd |= BIT(3);
 418                 }
 419         } else if (os_strcasecmp(cmd, "ps") == 0) {
 420                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
 421 #ifdef CONFIG_WIFI_DISPLAY
 422         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 423                 wifi_display_enable(wpa_s->global, !!atoi(value));
 424 #endif /* CONFIG_WIFI_DISPLAY */
 425         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
 426                 ret = set_bssid_filter(wpa_s, value);
 427         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
 428                 ret = set_disallow_aps(wpa_s, value);
 429         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
 430                 wpa_s->no_keep_alive = !!atoi(value);
 431         } else {
 432                 value[-1] = '=';
 433                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
 434                 if (ret == 0)
 435                         wpa_supplicant_update_config(wpa_s);
 436         }
 437
 438         return ret;
 439 }
 440
 441
 442 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
 443                                          char *cmd, char *buf, size_t buflen)
 444 {
 445         int res = -1;
 446
 447         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
 448
 449         if (os_strcmp(cmd, "version") == 0) {
 450                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
 451         } else if (os_strcasecmp(cmd, "country") == 0) {
 452                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
 453                         res = os_snprintf(buf, buflen, "%c%c",
 454                                           wpa_s->conf->country[0],
 455                                           wpa_s->conf->country[1]);
 456 #ifdef CONFIG_WIFI_DISPLAY
 457         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 458                 res = os_snprintf(buf, buflen, "%d",
 459                                   wpa_s->global->wifi_display);
 460                 if (res < 0 || (unsigned int) res >= buflen)
 461                         return -1;
 462                 return res;
 463 #endif /* CONFIG_WIFI_DISPLAY */
 464         }
 465
 466         if (res < 0 || (unsigned int) res >= buflen)
 467                 return -1;
 468         return res;
 469 }
 470
 471
 472 #ifdef IEEE8021X_EAPOL
 473 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
 474                                              char *addr)
 475 {
 476         u8 bssid[ETH_ALEN];
 477         struct wpa_ssid *ssid = wpa_s->current_ssid;
 478
 479         if (hwaddr_aton(addr, bssid)) {
 480                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
 481                            "'%s'", addr);
 482                 return -1;
 483         }
 484
 485         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
 486         rsn_preauth_deinit(wpa_s->wpa);
 487         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
 488                 return -1;
 489
 490         return 0;
 491 }
 492 #endif /* IEEE8021X_EAPOL */
 493
 494
 495 #ifdef CONFIG_PEERKEY
 496 /* MLME-STKSTART.request(peer) */
 497 static int wpa_supplicant_ctrl_iface_stkstart(
 498         struct wpa_supplicant *wpa_s, char *addr)
 499 {
 500         u8 peer[ETH_ALEN];
 501
 502         if (hwaddr_aton(addr, peer)) {
 503                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
 504                            "address '%s'", addr);
 505                 return -1;
 506         }
 507
 508         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
 509                    MAC2STR(peer));
 510
 511         return wpa_sm_stkstart(wpa_s->wpa, peer);
 512 }
 513 #endif /* CONFIG_PEERKEY */
 514
 515
 516 #ifdef CONFIG_TDLS
 517
 518 static int wpa_supplicant_ctrl_iface_tdls_discover(
 519         struct wpa_supplicant *wpa_s, char *addr)
 520 {
 521         u8 peer[ETH_ALEN];
 522         int ret;
 523
 524         if (hwaddr_aton(addr, peer)) {
 525                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
 526                            "address '%s'", addr);
 527                 return -1;
 528         }
 529
 530         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
 531                    MAC2STR(peer));
 532
 533         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 534                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
 535         else
 536                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
 537
 538         return ret;
 539 }
 540
 541
 542 static int wpa_supplicant_ctrl_iface_tdls_setup(
 543         struct wpa_supplicant *wpa_s, char *addr)
 544 {
 545         u8 peer[ETH_ALEN];
 546         int ret;
 547
 548         if (hwaddr_aton(addr, peer)) {
 549                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
 550                            "address '%s'", addr);
 551                 return -1;
 552         }
 553
 554         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
 555                    MAC2STR(peer));
 556
 557         wpa_tdls_remove(wpa_s->wpa, peer);
 558
 559         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 560                 ret = wpa_tdls_start(wpa_s->wpa, peer);
 561         else
 562                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 563
 564         return ret;
 565 }
 566
 567
 568 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 569         struct wpa_supplicant *wpa_s, char *addr)
 570 {
 571         u8 peer[ETH_ALEN];
 572
 573         if (hwaddr_aton(addr, peer)) {
 574                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 575                            "address '%s'", addr);
 576                 return -1;
 577         }
 578
 579         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 580                    MAC2STR(peer));
 581
 582         return wpa_tdls_teardown_link(wpa_s->wpa, peer,
 583                                       WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 584 }
 585
 586 #endif /* CONFIG_TDLS */
 587
 588
 589 #ifdef CONFIG_IEEE80211R
 590 static int wpa_supplicant_ctrl_iface_ft_ds(
 591         struct wpa_supplicant *wpa_s, char *addr)
 592 {
 593         u8 target_ap[ETH_ALEN];
 594         struct wpa_bss *bss;
 595         const u8 *mdie;
 596
 597         if (hwaddr_aton(addr, target_ap)) {
 598                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 599                            "address '%s'", addr);
 600                 return -1;
 601         }
 602
 603         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 604
 605         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 606         if (bss)
 607                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 608         else
 609                 mdie = NULL;
 610
 611         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 612 }
 613 #endif /* CONFIG_IEEE80211R */
 614
 615
 616 #ifdef CONFIG_WPS
 617 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 618                                              char *cmd)
 619 {
 620         u8 bssid[ETH_ALEN], *_bssid = bssid;
 621 #ifdef CONFIG_P2P
 622         u8 p2p_dev_addr[ETH_ALEN];
 623 #endif /* CONFIG_P2P */
 624 #ifdef CONFIG_AP
 625         u8 *_p2p_dev_addr = NULL;
 626 #endif /* CONFIG_AP */
 627
 628         if (cmd == NULL || os_strcmp(cmd, "any") == 0 || cmd[0] == '\0') {
 629                 _bssid = NULL;
 630 #ifdef CONFIG_P2P
 631         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 632                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 633                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 634                                    "P2P Device Address '%s'",
 635                                    cmd + 13);
 636                         return -1;
 637                 }
 638                 _p2p_dev_addr = p2p_dev_addr;
 639 #endif /* CONFIG_P2P */
 640         } else if (hwaddr_aton(cmd, bssid)) {
 641                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 642                            cmd);
 643                 return -1;
 644         }
 645
 646 #ifdef CONFIG_AP
 647         if (wpa_s->ap_iface)
 648                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 649 #endif /* CONFIG_AP */
 650
 651         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 652 }
 653
 654
 655 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 656                                              char *cmd, char *buf,
 657                                              size_t buflen)
 658 {
 659         u8 bssid[ETH_ALEN], *_bssid = bssid;
 660         char *pin;
 661         int ret;
 662
 663         pin = os_strchr(cmd, ' ');
 664         if (pin)
 665                 *pin++ = '\0';
 666
 667         if (os_strcmp(cmd, "any") == 0)
 668                 _bssid = NULL;
 669         else if (os_strcmp(cmd, "get") == 0) {
 670                 ret = wps_generate_pin();
 671                 goto done;
 672         } else if (hwaddr_aton(cmd, bssid)) {
 673                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 674                            cmd);
 675                 return -1;
 676         }
 677
 678 #ifdef CONFIG_AP
 679         if (wpa_s->ap_iface) {
 680                 int timeout = 0;
 681                 char *pos;
 682
 683                 if (pin) {
 684                         pos = os_strchr(pin, ' ');
 685                         if (pos) {
 686                                 *pos++ = '\0';
 687                                 timeout = atoi(pos);
 688                         }
 689                 }
 690
 691                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 692                                                  buf, buflen, timeout);
 693         }
 694 #endif /* CONFIG_AP */
 695
 696         if (pin) {
 697                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 698                                          DEV_PW_DEFAULT);
 699                 if (ret < 0)
 700                         return -1;
 701                 ret = os_snprintf(buf, buflen, "%s", pin);
 702                 if (ret < 0 || (size_t) ret >= buflen)
 703                         return -1;
 704                 return ret;
 705         }
 706
 707         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 708         if (ret < 0)
 709                 return -1;
 710
 711 done:
 712         /* Return the generated PIN */
 713         ret = os_snprintf(buf, buflen, "%08d", ret);
 714         if (ret < 0 || (size_t) ret >= buflen)
 715                 return -1;
 716         return ret;
 717 }
 718
 719
 720 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 721         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 722 {
 723         char pin[9];
 724         size_t len;
 725         char *pos;
 726         int ret;
 727
 728         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
 729                               (u8 *) cmd, os_strlen(cmd));
 730         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
 731                 if (*pos < '0' || *pos > '9')
 732                         continue;
 733                 pin[len++] = *pos;
 734                 if (len == 9) {
 735                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
 736                         return -1;
 737                 }
 738         }
 739         if (len != 4 && len != 8) {
 740                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
 741                 return -1;
 742         }
 743         pin[len] = '\0';
 744
 745         if (len == 8) {
 746                 unsigned int pin_val;
 747                 pin_val = atoi(pin);
 748                 if (!wps_pin_valid(pin_val)) {
 749                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
 750                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
 751                         if (ret < 0 || (size_t) ret >= buflen)
 752                                 return -1;
 753                         return ret;
 754                 }
 755         }
 756
 757         ret = os_snprintf(buf, buflen, "%s", pin);
 758         if (ret < 0 || (size_t) ret >= buflen)
 759                 return -1;
 760
 761         return ret;
 762 }
 763
 764
 765 #ifdef CONFIG_WPS_NFC
 766
 767 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
 768                                              char *cmd)
 769 {
 770         u8 bssid[ETH_ALEN], *_bssid = bssid;
 771
 772         if (cmd == NULL || cmd[0] == '\0')
 773                 _bssid = NULL;
 774         else if (hwaddr_aton(cmd, bssid))
 775                 return -1;
 776
 777         return wpas_wps_start_nfc(wpa_s, _bssid);
 778 }
 779
 780
 781 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
 782         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 783 {
 784         int ndef;
 785         struct wpabuf *buf;
 786         int res;
 787         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 #ifdef ANDROID
1593         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
1594                      "id=%d state=%d BSSID=" MACSTR " SSID=%s",
1595                      wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
1596                      wpa_s->wpa_state,
1597                      MAC2STR(wpa_s->bssid),
1598                      wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
1599                      wpa_ssid_txt(wpa_s->current_ssid->ssid,
1600                      wpa_s->current_ssid->ssid_len) : "");
1601         if (wpa_s->wpa_state == WPA_COMPLETED) {
1602                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1603                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED "- connection to "
1604                         MACSTR " completed %s [id=%d id_str=%s]",
1605                         MAC2STR(wpa_s->bssid), "(auth)",
1606                         ssid ? ssid->id : -1,
1607                         ssid && ssid->id_str ? ssid->id_str : "");
1608         }
1609 #endif /* ANDROID */
1610
1611         return pos - buf;
1612 }
1613
1614
1615 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1616                                            char *cmd)
1617 {
1618         char *pos;
1619         int id;
1620         struct wpa_ssid *ssid;
1621         u8 bssid[ETH_ALEN];
1622
1623         /* cmd: "<network id> <BSSID>" */
1624         pos = os_strchr(cmd, ' ');
1625         if (pos == NULL)
1626                 return -1;
1627         *pos++ = '\0';
1628         id = atoi(cmd);
1629         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1630         if (hwaddr_aton(pos, bssid)) {
1631                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1632                 return -1;
1633         }
1634
1635         ssid = wpa_config_get_network(wpa_s->conf, id);
1636         if (ssid == NULL) {
1637                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1638                            "to update", id);
1639                 return -1;
1640         }
1641
1642         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1643         ssid->bssid_set = !is_zero_ether_addr(bssid);
1644
1645         return 0;
1646 }
1647
1648
1649 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1650                                                char *cmd, char *buf,
1651                                                size_t buflen)
1652 {
1653         u8 bssid[ETH_ALEN];
1654         struct wpa_blacklist *e;
1655         char *pos, *end;
1656         int ret;
1657
1658         /* cmd: "BLACKLIST [<BSSID>]" */
1659         if (*cmd == '\0') {
1660                 pos = buf;
1661                 end = buf + buflen;
1662                 e = wpa_s->blacklist;
1663                 while (e) {
1664                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1665                                           MAC2STR(e->bssid));
1666                         if (ret < 0 || ret >= end - pos)
1667                                 return pos - buf;
1668                         pos += ret;
1669                         e = e->next;
1670                 }
1671                 return pos - buf;
1672         }
1673
1674         cmd++;
1675         if (os_strncmp(cmd, "clear", 5) == 0) {
1676                 wpa_blacklist_clear(wpa_s);
1677                 os_memcpy(buf, "OK\n", 3);
1678                 return 3;
1679         }
1680
1681         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1682         if (hwaddr_aton(cmd, bssid)) {
1683                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1684                 return -1;
1685         }
1686
1687         /*
1688          * Add the BSSID twice, so its count will be 2, causing it to be
1689          * skipped when processing scan results.
1690          */
1691         ret = wpa_blacklist_add(wpa_s, bssid);
1692         if (ret != 0)
1693                 return -1;
1694         ret = wpa_blacklist_add(wpa_s, bssid);
1695         if (ret != 0)
1696                 return -1;
1697         os_memcpy(buf, "OK\n", 3);
1698         return 3;
1699 }
1700
1701
1702 extern int wpa_debug_level;
1703 extern int wpa_debug_timestamp;
1704
1705 static const char * debug_level_str(int level)
1706 {
1707         switch (level) {
1708         case MSG_EXCESSIVE:
1709                 return "EXCESSIVE";
1710         case MSG_MSGDUMP:
1711                 return "MSGDUMP";
1712         case MSG_DEBUG:
1713                 return "DEBUG";
1714         case MSG_INFO:
1715                 return "INFO";
1716         case MSG_WARNING:
1717                 return "WARNING";
1718         case MSG_ERROR:
1719                 return "ERROR";
1720         default:
1721                 return "?";
1722         }
1723 }
1724
1725
1726 static int str_to_debug_level(const char *s)
1727 {
1728         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1729                 return MSG_EXCESSIVE;
1730         if (os_strcasecmp(s, "MSGDUMP") == 0)
1731                 return MSG_MSGDUMP;
1732         if (os_strcasecmp(s, "DEBUG") == 0)
1733                 return MSG_DEBUG;
1734         if (os_strcasecmp(s, "INFO") == 0)
1735                 return MSG_INFO;
1736         if (os_strcasecmp(s, "WARNING") == 0)
1737                 return MSG_WARNING;
1738         if (os_strcasecmp(s, "ERROR") == 0)
1739                 return MSG_ERROR;
1740         return -1;
1741 }
1742
1743
1744 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1745                                                char *cmd, char *buf,
1746                                                size_t buflen)
1747 {
1748         char *pos, *end, *stamp;
1749         int ret;
1750
1751         if (cmd == NULL) {
1752                 return -1;
1753         }
1754
1755         /* cmd: "LOG_LEVEL [<level>]" */
1756         if (*cmd == '\0') {
1757                 pos = buf;
1758                 end = buf + buflen;
1759                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1760                                   "Timestamp: %d\n",
1761                                   debug_level_str(wpa_debug_level),
1762                                   wpa_debug_timestamp);
1763                 if (ret < 0 || ret >= end - pos)
1764                         ret = 0;
1765
1766                 return ret;
1767         }
1768
1769         while (*cmd == ' ')
1770                 cmd++;
1771
1772         stamp = os_strchr(cmd, ' ');
1773         if (stamp) {
1774                 *stamp++ = '\0';
1775                 while (*stamp == ' ') {
1776                         stamp++;
1777                 }
1778         }
1779
1780         if (cmd && os_strlen(cmd)) {
1781                 int level = str_to_debug_level(cmd);
1782                 if (level < 0)
1783                         return -1;
1784                 wpa_debug_level = level;
1785         }
1786
1787         if (stamp && os_strlen(stamp))
1788                 wpa_debug_timestamp = atoi(stamp);
1789
1790         os_memcpy(buf, "OK\n", 3);
1791         return 3;
1792 }
1793
1794
1795 static int wpa_supplicant_ctrl_iface_list_networks(
1796         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1797 {
1798         char *pos, *end;
1799         struct wpa_ssid *ssid;
1800         int ret;
1801
1802         pos = buf;
1803         end = buf + buflen;
1804         ret = os_snprintf(pos, end - pos,
1805                           "network id / ssid / bssid / flags\n");
1806         if (ret < 0 || ret >= end - pos)
1807                 return pos - buf;
1808         pos += ret;
1809
1810         ssid = wpa_s->conf->ssid;
1811         while (ssid) {
1812                 ret = os_snprintf(pos, end - pos, "%d\t%s",
1813                                   ssid->id,
1814                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1815                 if (ret < 0 || ret >= end - pos)
1816                         return pos - buf;
1817                 pos += ret;
1818                 if (ssid->bssid_set) {
1819                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1820                                           MAC2STR(ssid->bssid));
1821                 } else {
1822                         ret = os_snprintf(pos, end - pos, "\tany");
1823                 }
1824                 if (ret < 0 || ret >= end - pos)
1825                         return pos - buf;
1826                 pos += ret;
1827                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
1828                                   ssid == wpa_s->current_ssid ?
1829                                   "[CURRENT]" : "",
1830                                   ssid->disabled ? "[DISABLED]" : "",
1831                                   ssid->disabled_until.sec ?
1832                                   "[TEMP-DISABLED]" : "",
1833                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1834                                   "");
1835                 if (ret < 0 || ret >= end - pos)
1836                         return pos - buf;
1837                 pos += ret;
1838                 ret = os_snprintf(pos, end - pos, "\n");
1839                 if (ret < 0 || ret >= end - pos)
1840                         return pos - buf;
1841                 pos += ret;
1842
1843                 ssid = ssid->next;
1844         }
1845
1846         return pos - buf;
1847 }
1848
1849
1850 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1851 {
1852         int ret;
1853         ret = os_snprintf(pos, end - pos, "-");
1854         if (ret < 0 || ret >= end - pos)
1855                 return pos;
1856         pos += ret;
1857         ret = wpa_write_ciphers(pos, end, cipher, "+");
1858         if (ret < 0)
1859                 return pos;
1860         pos += ret;
1861         return pos;
1862 }
1863
1864
1865 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1866                                     const u8 *ie, size_t ie_len)
1867 {
1868         struct wpa_ie_data data;
1869         int first, ret;
1870
1871         ret = os_snprintf(pos, end - pos, "[%s-", proto);
1872         if (ret < 0 || ret >= end - pos)
1873                 return pos;
1874         pos += ret;
1875
1876         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1877                 ret = os_snprintf(pos, end - pos, "?]");
1878                 if (ret < 0 || ret >= end - pos)
1879                         return pos;
1880                 pos += ret;
1881                 return pos;
1882         }
1883
1884         first = 1;
1885         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1886                 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1887                 if (ret < 0 || ret >= end - pos)
1888                         return pos;
1889                 pos += ret;
1890                 first = 0;
1891         }
1892         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1893                 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1894                 if (ret < 0 || ret >= end - pos)
1895                         return pos;
1896                 pos += ret;
1897                 first = 0;
1898         }
1899         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1900                 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1901                 if (ret < 0 || ret >= end - pos)
1902                         return pos;
1903                 pos += ret;
1904                 first = 0;
1905         }
1906 #ifdef CONFIG_IEEE80211R
1907         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1908                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1909                                   first ? "" : "+");
1910                 if (ret < 0 || ret >= end - pos)
1911                         return pos;
1912                 pos += ret;
1913                 first = 0;
1914         }
1915         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1916                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1917                                   first ? "" : "+");
1918                 if (ret < 0 || ret >= end - pos)
1919                         return pos;
1920                 pos += ret;
1921                 first = 0;
1922         }
1923 #endif /* CONFIG_IEEE80211R */
1924 #ifdef CONFIG_IEEE80211W
1925         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1926                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1927                                   first ? "" : "+");
1928                 if (ret < 0 || ret >= end - pos)
1929                         return pos;
1930                 pos += ret;
1931                 first = 0;
1932         }
1933         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1934                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1935                                   first ? "" : "+");
1936                 if (ret < 0 || ret >= end - pos)
1937                         return pos;
1938                 pos += ret;
1939                 first = 0;
1940         }
1941 #endif /* CONFIG_IEEE80211W */
1942
1943         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1944
1945         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1946                 ret = os_snprintf(pos, end - pos, "-preauth");
1947                 if (ret < 0 || ret >= end - pos)
1948                         return pos;
1949                 pos += ret;
1950         }
1951
1952         ret = os_snprintf(pos, end - pos, "]");
1953         if (ret < 0 || ret >= end - pos)
1954                 return pos;
1955         pos += ret;
1956
1957         return pos;
1958 }
1959
1960
1961 #ifdef CONFIG_WPS
1962 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
1963                                             char *pos, char *end,
1964                                             struct wpabuf *wps_ie)
1965 {
1966         int ret;
1967         const char *txt;
1968
1969         if (wps_ie == NULL)
1970                 return pos;
1971         if (wps_is_selected_pbc_registrar(wps_ie))
1972                 txt = "[WPS-PBC]";
1973 #ifdef CONFIG_WPS2
1974         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
1975                 txt = "[WPS-AUTH]";
1976 #endif /* CONFIG_WPS2 */
1977         else if (wps_is_selected_pin_registrar(wps_ie))
1978                 txt = "[WPS-PIN]";
1979         else
1980                 txt = "[WPS]";
1981
1982         ret = os_snprintf(pos, end - pos, "%s", txt);
1983         if (ret >= 0 && ret < end - pos)
1984                 pos += ret;
1985         wpabuf_free(wps_ie);
1986         return pos;
1987 }
1988 #endif /* CONFIG_WPS */
1989
1990
1991 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
1992                                         char *pos, char *end,
1993                                         const struct wpa_bss *bss)
1994 {
1995 #ifdef CONFIG_WPS
1996         struct wpabuf *wps_ie;
1997         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1998         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
1999 #else /* CONFIG_WPS */
2000         return pos;
2001 #endif /* CONFIG_WPS */
2002 }
2003
2004
2005 /* Format one result on one text line into a buffer. */
2006 static int wpa_supplicant_ctrl_iface_scan_result(
2007         struct wpa_supplicant *wpa_s,
2008         const struct wpa_bss *bss, char *buf, size_t buflen)
2009 {
2010         char *pos, *end;
2011         int ret;
2012         const u8 *ie, *ie2, *p2p;
2013
2014         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2015         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2016             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2017             0)
2018                 return 0; /* Do not show P2P listen discovery results here */
2019
2020         pos = buf;
2021         end = buf + buflen;
2022
2023         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2024                           MAC2STR(bss->bssid), bss->freq, bss->level);
2025         if (ret < 0 || ret >= end - pos)
2026                 return -1;
2027         pos += ret;
2028         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2029         if (ie)
2030                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2031         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2032         if (ie2)
2033                 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
2034         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2035         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2036                 ret = os_snprintf(pos, end - pos, "[WEP]");
2037                 if (ret < 0 || ret >= end - pos)
2038                         return -1;
2039                 pos += ret;
2040         }
2041         if (bss->caps & IEEE80211_CAP_IBSS) {
2042                 ret = os_snprintf(pos, end - pos, "[IBSS]");
2043                 if (ret < 0 || ret >= end - pos)
2044                         return -1;
2045                 pos += ret;
2046         }
2047         if (bss->caps & IEEE80211_CAP_ESS) {
2048                 ret = os_snprintf(pos, end - pos, "[ESS]");
2049                 if (ret < 0 || ret >= end - pos)
2050                         return -1;
2051                 pos += ret;
2052         }
2053         if (p2p) {
2054                 ret = os_snprintf(pos, end - pos, "[P2P]");
2055                 if (ret < 0 || ret >= end - pos)
2056                         return -1;
2057                 pos += ret;
2058         }
2059 #ifdef CONFIG_HS20
2060         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2061                 ret = os_snprintf(pos, end - pos, "[HS20]");
2062                 if (ret < 0 || ret >= end - pos)
2063                         return -1;
2064                 pos += ret;
2065         }
2066 #endif /* CONFIG_HS20 */
2067
2068         ret = os_snprintf(pos, end - pos, "\t%s",
2069                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2070         if (ret < 0 || ret >= end - pos)
2071                 return -1;
2072         pos += ret;
2073
2074         ret = os_snprintf(pos, end - pos, "\n");
2075         if (ret < 0 || ret >= end - pos)
2076                 return -1;
2077         pos += ret;
2078
2079         return pos - buf;
2080 }
2081
2082
2083 static int wpa_supplicant_ctrl_iface_scan_results(
2084         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2085 {
2086         char *pos, *end;
2087         struct wpa_bss *bss;
2088         int ret;
2089
2090         pos = buf;
2091         end = buf + buflen;
2092         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2093                           "flags / ssid\n");
2094         if (ret < 0 || ret >= end - pos)
2095                 return pos - buf;
2096         pos += ret;
2097
2098         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2099                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2100                                                             end - pos);
2101                 if (ret < 0 || ret >= end - pos)
2102                         return pos - buf;
2103                 pos += ret;
2104         }
2105
2106         return pos - buf;
2107 }
2108
2109
2110 static int wpa_supplicant_ctrl_iface_select_network(
2111         struct wpa_supplicant *wpa_s, char *cmd)
2112 {
2113         int id;
2114         struct wpa_ssid *ssid;
2115
2116         /* cmd: "<network id>" or "any" */
2117         if (os_strcmp(cmd, "any") == 0) {
2118                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2119                 ssid = NULL;
2120         } else {
2121                 id = atoi(cmd);
2122                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2123
2124                 ssid = wpa_config_get_network(wpa_s->conf, id);
2125                 if (ssid == NULL) {
2126                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2127                                    "network id=%d", id);
2128                         return -1;
2129                 }
2130                 if (ssid->disabled == 2) {
2131                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2132                                    "SELECT_NETWORK with persistent P2P group");
2133                         return -1;
2134                 }
2135         }
2136
2137         wpa_supplicant_select_network(wpa_s, ssid);
2138
2139         return 0;
2140 }
2141
2142
2143 static int wpa_supplicant_ctrl_iface_enable_network(
2144         struct wpa_supplicant *wpa_s, char *cmd)
2145 {
2146         int id;
2147         struct wpa_ssid *ssid;
2148
2149         /* cmd: "<network id>" or "all" */
2150         if (os_strcmp(cmd, "all") == 0) {
2151                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2152                 ssid = NULL;
2153         } else {
2154                 id = atoi(cmd);
2155                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2156
2157                 ssid = wpa_config_get_network(wpa_s->conf, id);
2158                 if (ssid == NULL) {
2159                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2160                                    "network id=%d", id);
2161                         return -1;
2162                 }
2163                 if (ssid->disabled == 2) {
2164                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2165                                    "ENABLE_NETWORK with persistent P2P group");
2166                         return -1;
2167                 }
2168
2169                 if (os_strstr(cmd, " no-connect")) {
2170                         ssid->disabled = 0;
2171                         return 0;
2172                 }
2173         }
2174         wpa_supplicant_enable_network(wpa_s, ssid);
2175
2176         return 0;
2177 }
2178
2179
2180 static int wpa_supplicant_ctrl_iface_disable_network(
2181         struct wpa_supplicant *wpa_s, char *cmd)
2182 {
2183         int id;
2184         struct wpa_ssid *ssid;
2185
2186         /* cmd: "<network id>" or "all" */
2187         if (os_strcmp(cmd, "all") == 0) {
2188                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2189                 ssid = NULL;
2190         } else {
2191                 id = atoi(cmd);
2192                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2193
2194                 ssid = wpa_config_get_network(wpa_s->conf, id);
2195                 if (ssid == NULL) {
2196                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2197                                    "network id=%d", id);
2198                         return -1;
2199                 }
2200                 if (ssid->disabled == 2) {
2201                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2202                                    "DISABLE_NETWORK with persistent P2P "
2203                                    "group");
2204                         return -1;
2205                 }
2206         }
2207         wpa_supplicant_disable_network(wpa_s, ssid);
2208
2209         return 0;
2210 }
2211
2212
2213 static int wpa_supplicant_ctrl_iface_add_network(
2214         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2215 {
2216         struct wpa_ssid *ssid;
2217         int ret;
2218
2219         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2220
2221         ssid = wpa_config_add_network(wpa_s->conf);
2222         if (ssid == NULL)
2223                 return -1;
2224
2225         wpas_notify_network_added(wpa_s, ssid);
2226
2227         ssid->disabled = 1;
2228         wpa_config_set_network_defaults(ssid);
2229
2230         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2231         if (ret < 0 || (size_t) ret >= buflen)
2232                 return -1;
2233         return ret;
2234 }
2235
2236
2237 static int wpa_supplicant_ctrl_iface_remove_network(
2238         struct wpa_supplicant *wpa_s, char *cmd)
2239 {
2240         int id;
2241         struct wpa_ssid *ssid;
2242         int was_disabled;
2243
2244         /* cmd: "<network id>" or "all" */
2245         if (os_strcmp(cmd, "all") == 0) {
2246                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2247                 if (wpa_s->sched_scanning)
2248                         wpa_supplicant_cancel_sched_scan(wpa_s);
2249
2250                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2251                 if (wpa_s->current_ssid) {
2252 #ifdef CONFIG_SME
2253                         wpa_s->sme.prev_bssid_set = 0;
2254 #endif /* CONFIG_SME */
2255                         wpa_sm_set_config(wpa_s->wpa, NULL);
2256                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2257                         wpa_supplicant_deauthenticate(
2258                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2259                 }
2260                 ssid = wpa_s->conf->ssid;
2261                 while (ssid) {
2262                         struct wpa_ssid *remove_ssid = ssid;
2263                         id = ssid->id;
2264                         ssid = ssid->next;
2265                         wpas_notify_network_removed(wpa_s, remove_ssid);
2266                         wpa_config_remove_network(wpa_s->conf, id);
2267                 }
2268                 return 0;
2269         }
2270
2271         id = atoi(cmd);
2272         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2273
2274         ssid = wpa_config_get_network(wpa_s->conf, id);
2275         if (ssid)
2276                 wpas_notify_network_removed(wpa_s, ssid);
2277         if (ssid == NULL) {
2278                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2279                            "id=%d", id);
2280                 return -1;
2281         }
2282
2283         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2284 #ifdef CONFIG_SME
2285                 wpa_s->sme.prev_bssid_set = 0;
2286 #endif /* CONFIG_SME */
2287                 /*
2288                  * Invalidate the EAP session cache if the current or
2289                  * previously used network is removed.
2290                  */
2291                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2292         }
2293
2294         if (ssid == wpa_s->current_ssid) {
2295                 wpa_sm_set_config(wpa_s->wpa, NULL);
2296                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2297
2298                 wpa_supplicant_deauthenticate(wpa_s,
2299                                               WLAN_REASON_DEAUTH_LEAVING);
2300         }
2301
2302         was_disabled = ssid->disabled;
2303
2304         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2305                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2306                            "network id=%d", id);
2307                 return -1;
2308         }
2309
2310         if (!was_disabled && wpa_s->sched_scanning) {
2311                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2312                            "network from filters");
2313                 wpa_supplicant_cancel_sched_scan(wpa_s);
2314                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2315         }
2316
2317         return 0;
2318 }
2319
2320
2321 static int wpa_supplicant_ctrl_iface_set_network(
2322         struct wpa_supplicant *wpa_s, char *cmd)
2323 {
2324         int id;
2325         struct wpa_ssid *ssid;
2326         char *name, *value;
2327
2328         /* cmd: "<network id> <variable name> <value>" */
2329         name = os_strchr(cmd, ' ');
2330         if (name == NULL)
2331                 return -1;
2332         *name++ = '\0';
2333
2334         value = os_strchr(name, ' ');
2335         if (value == NULL)
2336                 return -1;
2337         *value++ = '\0';
2338
2339         id = atoi(cmd);
2340         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2341                    id, name);
2342         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2343                               (u8 *) value, os_strlen(value));
2344
2345         ssid = wpa_config_get_network(wpa_s->conf, id);
2346         if (ssid == NULL) {
2347                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2348                            "id=%d", id);
2349                 return -1;
2350         }
2351
2352         if (wpa_config_set(ssid, name, value, 0) < 0) {
2353                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2354                            "variable '%s'", name);
2355                 return -1;
2356         }
2357
2358         if (os_strcmp(name, "bssid") != 0 &&
2359             os_strcmp(name, "priority") != 0)
2360                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2361
2362         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2363                 /*
2364                  * Invalidate the EAP session cache if anything in the current
2365                  * or previously used configuration changes.
2366                  */
2367                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2368         }
2369
2370         if ((os_strcmp(name, "psk") == 0 &&
2371              value[0] == '"' && ssid->ssid_len) ||
2372             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2373                 wpa_config_update_psk(ssid);
2374         else if (os_strcmp(name, "priority") == 0)
2375                 wpa_config_update_prio_list(wpa_s->conf);
2376
2377         return 0;
2378 }
2379
2380
2381 static int wpa_supplicant_ctrl_iface_get_network(
2382         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2383 {
2384         int id;
2385         size_t res;
2386         struct wpa_ssid *ssid;
2387         char *name, *value;
2388
2389         /* cmd: "<network id> <variable name>" */
2390         name = os_strchr(cmd, ' ');
2391         if (name == NULL || buflen == 0)
2392                 return -1;
2393         *name++ = '\0';
2394
2395         id = atoi(cmd);
2396         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2397                    id, name);
2398
2399         ssid = wpa_config_get_network(wpa_s->conf, id);
2400         if (ssid == NULL) {
2401                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2402                            "id=%d", id);
2403                 return -1;
2404         }
2405
2406         value = wpa_config_get_no_key(ssid, name);
2407         if (value == NULL) {
2408                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2409                            "variable '%s'", name);
2410                 return -1;
2411         }
2412
2413         res = os_strlcpy(buf, value, buflen);
2414         if (res >= buflen) {
2415                 os_free(value);
2416                 return -1;
2417         }
2418
2419         os_free(value);
2420
2421         return res;
2422 }
2423
2424
2425 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2426                                                 char *buf, size_t buflen)
2427 {
2428         char *pos, *end;
2429         struct wpa_cred *cred;
2430         int ret;
2431
2432         pos = buf;
2433         end = buf + buflen;
2434         ret = os_snprintf(pos, end - pos,
2435                           "cred id / realm / username / domain / imsi\n");
2436         if (ret < 0 || ret >= end - pos)
2437                 return pos - buf;
2438         pos += ret;
2439
2440         cred = wpa_s->conf->cred;
2441         while (cred) {
2442                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2443                                   cred->id, cred->realm ? cred->realm : "",
2444                                   cred->username ? cred->username : "",
2445                                   cred->domain ? cred->domain : "",
2446                                   cred->imsi ? cred->imsi : "");
2447                 if (ret < 0 || ret >= end - pos)
2448                         return pos - buf;
2449                 pos += ret;
2450
2451                 cred = cred->next;
2452         }
2453
2454         return pos - buf;
2455 }
2456
2457
2458 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2459                                               char *buf, size_t buflen)
2460 {
2461         struct wpa_cred *cred;
2462         int ret;
2463
2464         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2465
2466         cred = wpa_config_add_cred(wpa_s->conf);
2467         if (cred == NULL)
2468                 return -1;
2469
2470         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2471         if (ret < 0 || (size_t) ret >= buflen)
2472                 return -1;
2473         return ret;
2474 }
2475
2476
2477 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2478                                  struct wpa_cred *cred)
2479 {
2480         struct wpa_ssid *ssid;
2481         char str[20];
2482
2483         if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2484                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2485                 return -1;
2486         }
2487
2488         /* Remove any network entry created based on the removed credential */
2489         ssid = wpa_s->conf->ssid;
2490         while (ssid) {
2491                 if (ssid->parent_cred == cred) {
2492                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2493                                    "used the removed credential", ssid->id);
2494                         os_snprintf(str, sizeof(str), "%d", ssid->id);
2495                         ssid = ssid->next;
2496                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2497                 } else
2498                         ssid = ssid->next;
2499         }
2500
2501         return 0;
2502 }
2503
2504
2505 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2506                                                  char *cmd)
2507 {
2508         int id;
2509         struct wpa_cred *cred, *prev;
2510
2511         /* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2512         if (os_strcmp(cmd, "all") == 0) {
2513                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2514                 cred = wpa_s->conf->cred;
2515                 while (cred) {
2516                         prev = cred;
2517                         cred = cred->next;
2518                         wpas_ctrl_remove_cred(wpa_s, prev);
2519                 }
2520                 return 0;
2521         }
2522
2523         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2524                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2525                            cmd + 8);
2526                 cred = wpa_s->conf->cred;
2527                 while (cred) {
2528                         prev = cred;
2529                         cred = cred->next;
2530                         if (prev->domain &&
2531                             os_strcmp(prev->domain, cmd + 8) == 0)
2532                                 wpas_ctrl_remove_cred(wpa_s, prev);
2533                 }
2534                 return 0;
2535         }
2536
2537         id = atoi(cmd);
2538         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2539
2540         cred = wpa_config_get_cred(wpa_s->conf, id);
2541         return wpas_ctrl_remove_cred(wpa_s, cred);
2542 }
2543
2544
2545 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2546                                               char *cmd)
2547 {
2548         int id;
2549         struct wpa_cred *cred;
2550         char *name, *value;
2551
2552         /* cmd: "<cred id> <variable name> <value>" */
2553         name = os_strchr(cmd, ' ');
2554         if (name == NULL)
2555                 return -1;
2556         *name++ = '\0';
2557
2558         value = os_strchr(name, ' ');
2559         if (value == NULL)
2560                 return -1;
2561         *value++ = '\0';
2562
2563         id = atoi(cmd);
2564         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2565                    id, name);
2566         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2567                               (u8 *) value, os_strlen(value));
2568
2569         cred = wpa_config_get_cred(wpa_s->conf, id);
2570         if (cred == NULL) {
2571                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2572                            id);
2573                 return -1;
2574         }
2575
2576         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2577                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2578                            "variable '%s'", name);
2579                 return -1;
2580         }
2581
2582         return 0;
2583 }
2584
2585
2586 #ifndef CONFIG_NO_CONFIG_WRITE
2587 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2588 {
2589         int ret;
2590
2591         if (!wpa_s->conf->update_config) {
2592                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2593                            "to update configuration (update_config=0)");
2594                 return -1;
2595         }
2596
2597         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2598         if (ret) {
2599                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2600                            "update configuration");
2601         } else {
2602                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2603                            " updated");
2604         }
2605
2606         return ret;
2607 }
2608 #endif /* CONFIG_NO_CONFIG_WRITE */
2609
2610
2611 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2612                                               struct wpa_driver_capa *capa,
2613                                               char *buf, size_t buflen)
2614 {
2615         int ret, first = 1;
2616         char *pos, *end;
2617         size_t len;
2618
2619         pos = buf;
2620         end = pos + buflen;
2621
2622         if (res < 0) {
2623                 if (strict)
2624                         return 0;
2625                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2626                 if (len >= buflen)
2627                         return -1;
2628                 return len;
2629         }
2630
2631         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2632                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2633                 if (ret < 0 || ret >= end - pos)
2634                         return pos - buf;
2635                 pos += ret;
2636                 first = 0;
2637         }
2638
2639         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2640                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2641                 if (ret < 0 || ret >= end - pos)
2642                         return pos - buf;
2643                 pos += ret;
2644                 first = 0;
2645         }
2646
2647         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2648                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2649                 if (ret < 0 || ret >= end - pos)
2650                         return pos - buf;
2651                 pos += ret;
2652                 first = 0;
2653         }
2654
2655         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2656                 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
2657                 if (ret < 0 || ret >= end - pos)
2658                         return pos - buf;
2659                 pos += ret;
2660                 first = 0;
2661         }
2662
2663         return pos - buf;
2664 }
2665
2666
2667 static int ctrl_iface_get_capability_group(int res, char *strict,
2668                                            struct wpa_driver_capa *capa,
2669                                            char *buf, size_t buflen)
2670 {
2671         int ret, first = 1;
2672         char *pos, *end;
2673         size_t len;
2674
2675         pos = buf;
2676         end = pos + buflen;
2677
2678         if (res < 0) {
2679                 if (strict)
2680                         return 0;
2681                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2682                 if (len >= buflen)
2683                         return -1;
2684                 return len;
2685         }
2686
2687         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2688                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2689                 if (ret < 0 || ret >= end - pos)
2690                         return pos - buf;
2691                 pos += ret;
2692                 first = 0;
2693         }
2694
2695         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2696                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2697                 if (ret < 0 || ret >= end - pos)
2698                         return pos - buf;
2699                 pos += ret;
2700                 first = 0;
2701         }
2702
2703         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2704                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2705                 if (ret < 0 || ret >= end - pos)
2706                         return pos - buf;
2707                 pos += ret;
2708                 first = 0;
2709         }
2710
2711         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2712                 ret = os_snprintf(pos, end - pos, "%sWEP104",
2713                                   first ? "" : " ");
2714                 if (ret < 0 || ret >= end - pos)
2715                         return pos - buf;
2716                 pos += ret;
2717                 first = 0;
2718         }
2719
2720         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2721                 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
2722                 if (ret < 0 || ret >= end - pos)
2723                         return pos - buf;
2724                 pos += ret;
2725                 first = 0;
2726         }
2727
2728         return pos - buf;
2729 }
2730
2731
2732 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2733                                               struct wpa_driver_capa *capa,
2734                                               char *buf, size_t buflen)
2735 {
2736         int ret;
2737         char *pos, *end;
2738         size_t len;
2739
2740         pos = buf;
2741         end = pos + buflen;
2742
2743         if (res < 0) {
2744                 if (strict)
2745                         return 0;
2746                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2747                                  "NONE", buflen);
2748                 if (len >= buflen)
2749                         return -1;
2750                 return len;
2751         }
2752
2753         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2754         if (ret < 0 || ret >= end - pos)
2755                 return pos - buf;
2756         pos += ret;
2757
2758         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2759                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2760                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2761                 if (ret < 0 || ret >= end - pos)
2762                         return pos - buf;
2763                 pos += ret;
2764         }
2765
2766         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2767                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2768                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2769                 if (ret < 0 || ret >= end - pos)
2770                         return pos - buf;
2771                 pos += ret;
2772         }
2773
2774         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2775                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2776                 if (ret < 0 || ret >= end - pos)
2777                         return pos - buf;
2778                 pos += ret;
2779         }
2780
2781         return pos - buf;
2782 }
2783
2784
2785 static int ctrl_iface_get_capability_proto(int res, char *strict,
2786                                            struct wpa_driver_capa *capa,
2787                                            char *buf, size_t buflen)
2788 {
2789         int ret, first = 1;
2790         char *pos, *end;
2791         size_t len;
2792
2793         pos = buf;
2794         end = pos + buflen;
2795
2796         if (res < 0) {
2797                 if (strict)
2798                         return 0;
2799                 len = os_strlcpy(buf, "RSN WPA", buflen);
2800                 if (len >= buflen)
2801                         return -1;
2802                 return len;
2803         }
2804
2805         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2806                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2807                 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2808                 if (ret < 0 || ret >= end - pos)
2809                         return pos - buf;
2810                 pos += ret;
2811                 first = 0;
2812         }
2813
2814         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2815                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2816                 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2817                 if (ret < 0 || ret >= end - pos)
2818                         return pos - buf;
2819                 pos += ret;
2820                 first = 0;
2821         }
2822
2823         return pos - buf;
2824 }
2825
2826
2827 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2828                                               struct wpa_driver_capa *capa,
2829                                               char *buf, size_t buflen)
2830 {
2831         int ret, first = 1;
2832         char *pos, *end;
2833         size_t len;
2834
2835         pos = buf;
2836         end = pos + buflen;
2837
2838         if (res < 0) {
2839                 if (strict)
2840                         return 0;
2841                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2842                 if (len >= buflen)
2843                         return -1;
2844                 return len;
2845         }
2846
2847         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2848                 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2849                 if (ret < 0 || ret >= end - pos)
2850                         return pos - buf;
2851                 pos += ret;
2852                 first = 0;
2853         }
2854
2855         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2856                 ret = os_snprintf(pos, end - pos, "%sSHARED",
2857                                   first ? "" : " ");
2858                 if (ret < 0 || ret >= end - pos)
2859                         return pos - buf;
2860                 pos += ret;
2861                 first = 0;
2862         }
2863
2864         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2865                 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2866                 if (ret < 0 || ret >= end - pos)
2867                         return pos - buf;
2868                 pos += ret;
2869                 first = 0;
2870         }
2871
2872         return pos - buf;
2873 }
2874
2875
2876 static int ctrl_iface_get_capability_modes(int res, char *strict,
2877                                            struct wpa_driver_capa *capa,
2878                                            char *buf, size_t buflen)
2879 {
2880         int ret, first = 1;
2881         char *pos, *end;
2882         size_t len;
2883
2884         pos = buf;
2885         end = pos + buflen;
2886
2887         if (res < 0) {
2888                 if (strict)
2889                         return 0;
2890                 len = os_strlcpy(buf, "IBSS AP", buflen);
2891                 if (len >= buflen)
2892                         return -1;
2893                 return len;
2894         }
2895
2896         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
2897                 ret = os_snprintf(pos, end - pos, "%sIBSS", first ? "" : " ");
2898                 if (ret < 0 || ret >= end - pos)
2899                         return pos - buf;
2900                 pos += ret;
2901                 first = 0;
2902         }
2903
2904         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
2905                 ret = os_snprintf(pos, end - pos, "%sAP", first ? "" : " ");
2906                 if (ret < 0 || ret >= end - pos)
2907                         return pos - buf;
2908                 pos += ret;
2909                 first = 0;
2910         }
2911
2912         return pos - buf;
2913 }
2914
2915
2916 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
2917                                               char *buf, size_t buflen)
2918 {
2919         struct hostapd_channel_data *chnl;
2920         int ret, i, j;
2921         char *pos, *end, *hmode;
2922
2923         pos = buf;
2924         end = pos + buflen;
2925
2926         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2927                 switch (wpa_s->hw.modes[j].mode) {
2928                 case HOSTAPD_MODE_IEEE80211B:
2929                         hmode = "B";
2930                         break;
2931                 case HOSTAPD_MODE_IEEE80211G:
2932                         hmode = "G";
2933                         break;
2934                 case HOSTAPD_MODE_IEEE80211A:
2935                         hmode = "A";
2936                         break;
2937                 case HOSTAPD_MODE_IEEE80211AD:
2938                         hmode = "AD";
2939                         break;
2940                 default:
2941                         continue;
2942                 }
2943                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
2944                 if (ret < 0 || ret >= end - pos)
2945                         return pos - buf;
2946                 pos += ret;
2947                 chnl = wpa_s->hw.modes[j].channels;
2948                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2949                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2950                                 continue;
2951                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
2952                         if (ret < 0 || ret >= end - pos)
2953                                 return pos - buf;
2954                         pos += ret;
2955                 }
2956                 ret = os_snprintf(pos, end - pos, "\n");
2957                 if (ret < 0 || ret >= end - pos)
2958                         return pos - buf;
2959                 pos += ret;
2960         }
2961
2962         return pos - buf;
2963 }
2964
2965
2966 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
2967                                           char *buf, size_t buflen)
2968 {
2969         struct hostapd_channel_data *chnl;
2970         int ret, i, j;
2971         char *pos, *end, *hmode;
2972
2973         pos = buf;
2974         end = pos + buflen;
2975
2976         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2977                 switch (wpa_s->hw.modes[j].mode) {
2978                 case HOSTAPD_MODE_IEEE80211B:
2979                         hmode = "B";
2980                         break;
2981                 case HOSTAPD_MODE_IEEE80211G:
2982                         hmode = "G";
2983                         break;
2984                 case HOSTAPD_MODE_IEEE80211A:
2985                         hmode = "A";
2986                         break;
2987                 case HOSTAPD_MODE_IEEE80211AD:
2988                         hmode = "AD";
2989                         break;
2990                 default:
2991                         continue;
2992                 }
2993                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
2994                                   hmode);
2995                 if (ret < 0 || ret >= end - pos)
2996                         return pos - buf;
2997                 pos += ret;
2998                 chnl = wpa_s->hw.modes[j].channels;
2999                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3000                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3001                                 continue;
3002                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s\n",
3003                                           chnl[i].chan, chnl[i].freq,
3004                                           chnl[i].flag & HOSTAPD_CHAN_NO_IBSS ?
3005                                           " (NO_IBSS)" : "");
3006                         if (ret < 0 || ret >= end - pos)
3007                                 return pos - buf;
3008                         pos += ret;
3009                 }
3010                 ret = os_snprintf(pos, end - pos, "\n");
3011                 if (ret < 0 || ret >= end - pos)
3012                         return pos - buf;
3013                 pos += ret;
3014         }
3015
3016         return pos - buf;
3017 }
3018
3019
3020 static int wpa_supplicant_ctrl_iface_get_capability(
3021         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3022         size_t buflen)
3023 {
3024         struct wpa_driver_capa capa;
3025         int res;
3026         char *strict;
3027         char field[30];
3028         size_t len;
3029
3030         /* Determine whether or not strict checking was requested */
3031         len = os_strlcpy(field, _field, sizeof(field));
3032         if (len >= sizeof(field))
3033                 return -1;
3034         strict = os_strchr(field, ' ');
3035         if (strict != NULL) {
3036                 *strict++ = '\0';
3037                 if (os_strcmp(strict, "strict") != 0)
3038                         return -1;
3039         }
3040
3041         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3042                 field, strict ? strict : "");
3043
3044         if (os_strcmp(field, "eap") == 0) {
3045                 return eap_get_names(buf, buflen);
3046         }
3047
3048         res = wpa_drv_get_capa(wpa_s, &capa);
3049
3050         if (os_strcmp(field, "pairwise") == 0)
3051                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3052                                                           buf, buflen);
3053
3054         if (os_strcmp(field, "group") == 0)
3055                 return ctrl_iface_get_capability_group(res, strict, &capa,
3056                                                        buf, buflen);
3057
3058         if (os_strcmp(field, "key_mgmt") == 0)
3059                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3060                                                           buf, buflen);
3061
3062         if (os_strcmp(field, "proto") == 0)
3063                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3064                                                        buf, buflen);
3065
3066         if (os_strcmp(field, "auth_alg") == 0)
3067                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
3068                                                           buf, buflen);
3069
3070         if (os_strcmp(field, "modes") == 0)
3071                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3072                                                        buf, buflen);
3073
3074         if (os_strcmp(field, "channels") == 0)
3075                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3076
3077         if (os_strcmp(field, "freq") == 0)
3078                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3079
3080         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3081                    field);
3082
3083         return -1;
3084 }
3085
3086
3087 #ifdef CONFIG_INTERWORKING
3088 static char * anqp_add_hex(char *pos, char *end, const char *title,
3089                            struct wpabuf *data)
3090 {
3091         char *start = pos;
3092         size_t i;
3093         int ret;
3094         const u8 *d;
3095
3096         if (data == NULL)
3097                 return start;
3098
3099         ret = os_snprintf(pos, end - pos, "%s=", title);
3100         if (ret < 0 || ret >= end - pos)
3101                 return start;
3102         pos += ret;
3103
3104         d = wpabuf_head_u8(data);
3105         for (i = 0; i < wpabuf_len(data); i++) {
3106                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3107                 if (ret < 0 || ret >= end - pos)
3108                         return start;
3109                 pos += ret;
3110         }
3111
3112         ret = os_snprintf(pos, end - pos, "\n");
3113         if (ret < 0 || ret >= end - pos)
3114                 return start;
3115         pos += ret;
3116
3117         return pos;
3118 }
3119 #endif /* CONFIG_INTERWORKING */
3120
3121
3122 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3123                           unsigned long mask, char *buf, size_t buflen)
3124 {
3125         size_t i;
3126         int ret;
3127         char *pos, *end;
3128         const u8 *ie, *ie2;
3129
3130         pos = buf;
3131         end = buf + buflen;
3132
3133         if (mask & WPA_BSS_MASK_ID) {
3134                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3135                 if (ret < 0 || ret >= end - pos)
3136                         return 0;
3137                 pos += ret;
3138         }
3139
3140         if (mask & WPA_BSS_MASK_BSSID) {
3141                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3142                                   MAC2STR(bss->bssid));
3143                 if (ret < 0 || ret >= end - pos)
3144                         return 0;
3145                 pos += ret;
3146         }
3147
3148         if (mask & WPA_BSS_MASK_FREQ) {
3149                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3150                 if (ret < 0 || ret >= end - pos)
3151                         return 0;
3152                 pos += ret;
3153         }
3154
3155         if (mask & WPA_BSS_MASK_BEACON_INT) {
3156                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3157                                   bss->beacon_int);
3158                 if (ret < 0 || ret >= end - pos)
3159                         return 0;
3160                 pos += ret;
3161         }
3162
3163         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3164                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3165                                   bss->caps);
3166                 if (ret < 0 || ret >= end - pos)
3167                         return 0;
3168                 pos += ret;
3169         }
3170
3171         if (mask & WPA_BSS_MASK_QUAL) {
3172                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3173                 if (ret < 0 || ret >= end - pos)
3174                         return 0;
3175                 pos += ret;
3176         }
3177
3178         if (mask & WPA_BSS_MASK_NOISE) {
3179                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3180                 if (ret < 0 || ret >= end - pos)
3181                         return 0;
3182                 pos += ret;
3183         }
3184
3185         if (mask & WPA_BSS_MASK_LEVEL) {
3186                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3187                 if (ret < 0 || ret >= end - pos)
3188                         return 0;
3189                 pos += ret;
3190         }
3191
3192         if (mask & WPA_BSS_MASK_TSF) {
3193                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3194                                   (unsigned long long) bss->tsf);
3195                 if (ret < 0 || ret >= end - pos)
3196                         return 0;
3197                 pos += ret;
3198         }
3199
3200         if (mask & WPA_BSS_MASK_AGE) {
3201                 struct os_time now;
3202
3203                 os_get_time(&now);
3204                 ret = os_snprintf(pos, end - pos, "age=%d\n",
3205                                   (int) (now.sec - bss->last_update.sec));
3206                 if (ret < 0 || ret >= end - pos)
3207                         return 0;
3208                 pos += ret;
3209         }
3210
3211         if (mask & WPA_BSS_MASK_IE) {
3212                 ret = os_snprintf(pos, end - pos, "ie=");
3213                 if (ret < 0 || ret >= end - pos)
3214                         return 0;
3215                 pos += ret;
3216
3217                 ie = (const u8 *) (bss + 1);
3218                 for (i = 0; i < bss->ie_len; i++) {
3219                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3220                         if (ret < 0 || ret >= end - pos)
3221                                 return 0;
3222                         pos += ret;
3223                 }
3224
3225                 ret = os_snprintf(pos, end - pos, "\n");
3226                 if (ret < 0 || ret >= end - pos)
3227                         return 0;
3228                 pos += ret;
3229         }
3230
3231         if (mask & WPA_BSS_MASK_FLAGS) {
3232                 ret = os_snprintf(pos, end - pos, "flags=");
3233                 if (ret < 0 || ret >= end - pos)
3234                         return 0;
3235                 pos += ret;
3236
3237                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3238                 if (ie)
3239                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3240                                                     2 + ie[1]);
3241                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3242                 if (ie2)
3243                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3244                                                     2 + ie2[1]);
3245                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3246                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3247                         ret = os_snprintf(pos, end - pos, "[WEP]");
3248                         if (ret < 0 || ret >= end - pos)
3249                                 return 0;
3250                         pos += ret;
3251                 }
3252                 if (bss->caps & IEEE80211_CAP_IBSS) {
3253                         ret = os_snprintf(pos, end - pos, "[IBSS]");
3254                         if (ret < 0 || ret >= end - pos)
3255                                 return 0;
3256                         pos += ret;
3257                 }
3258                 if (bss->caps & IEEE80211_CAP_ESS) {
3259                         ret = os_snprintf(pos, end - pos, "[ESS]");
3260                         if (ret < 0 || ret >= end - pos)
3261                                 return 0;
3262                         pos += ret;
3263                 }
3264                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE)) {
3265                         ret = os_snprintf(pos, end - pos, "[P2P]");
3266                         if (ret < 0 || ret >= end - pos)
3267                                 return 0;
3268                         pos += ret;
3269                 }
3270 #ifdef CONFIG_HS20
3271                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3272                         ret = os_snprintf(pos, end - pos, "[HS20]");
3273                         if (ret < 0 || ret >= end - pos)
3274                                 return 0;
3275                         pos += ret;
3276                 }
3277 #endif /* CONFIG_HS20 */
3278
3279                 ret = os_snprintf(pos, end - pos, "\n");
3280                 if (ret < 0 || ret >= end - pos)
3281                         return 0;
3282                 pos += ret;
3283         }
3284
3285         if (mask & WPA_BSS_MASK_SSID) {
3286                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3287                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3288                 if (ret < 0 || ret >= end - pos)
3289                         return 0;
3290                 pos += ret;
3291         }
3292
3293 #ifdef CONFIG_WPS
3294         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3295                 ie = (const u8 *) (bss + 1);
3296                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3297                 if (ret < 0 || ret >= end - pos)
3298                         return 0;
3299                 pos += ret;
3300         }
3301 #endif /* CONFIG_WPS */
3302
3303 #ifdef CONFIG_P2P
3304         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3305                 ie = (const u8 *) (bss + 1);
3306                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3307                 if (ret < 0 || ret >= end - pos)
3308                         return 0;
3309                 pos += ret;
3310         }
3311 #endif /* CONFIG_P2P */
3312
3313 #ifdef CONFIG_WIFI_DISPLAY
3314         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3315                 struct wpabuf *wfd;
3316                 ie = (const u8 *) (bss + 1);
3317                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3318                                                   WFD_IE_VENDOR_TYPE);
3319                 if (wfd) {
3320                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3321                         if (ret < 0 || ret >= end - pos)
3322                                 return 0;
3323                         pos += ret;
3324
3325                         pos += wpa_snprintf_hex(pos, end - pos,
3326                                                 wpabuf_head(wfd),
3327                                                 wpabuf_len(wfd));
3328                         wpabuf_free(wfd);
3329
3330                         ret = os_snprintf(pos, end - pos, "\n");
3331                         if (ret < 0 || ret >= end - pos)
3332                                 return 0;
3333                         pos += ret;
3334                 }
3335         }
3336 #endif /* CONFIG_WIFI_DISPLAY */
3337
3338 #ifdef CONFIG_INTERWORKING
3339         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3340                 struct wpa_bss_anqp *anqp = bss->anqp;
3341                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3342                                    anqp->venue_name);
3343                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3344                                    anqp->network_auth_type);
3345                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3346                                    anqp->roaming_consortium);
3347                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3348                                    anqp->ip_addr_type_availability);
3349                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3350                                    anqp->nai_realm);
3351                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3352                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3353                                    anqp->domain_name);
3354 #ifdef CONFIG_HS20
3355                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3356                                    anqp->hs20_operator_friendly_name);
3357                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3358                                    anqp->hs20_wan_metrics);
3359                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3360                                    anqp->hs20_connection_capability);
3361 #endif /* CONFIG_HS20 */
3362         }
3363 #endif /* CONFIG_INTERWORKING */
3364
3365         if (mask & WPA_BSS_MASK_DELIM) {
3366                 ret = os_snprintf(pos, end - pos, "====\n");
3367                 if (ret < 0 || ret >= end - pos)
3368                         return 0;
3369                 pos += ret;
3370         }
3371
3372         return pos - buf;
3373 }
3374
3375
3376 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3377                                          const char *cmd, char *buf,
3378                                          size_t buflen)
3379 {
3380         u8 bssid[ETH_ALEN];
3381         size_t i;
3382         struct wpa_bss *bss;
3383         struct wpa_bss *bsslast = NULL;
3384         struct dl_list *next;
3385         int ret = 0;
3386         int len;
3387         char *ctmp;
3388         unsigned long mask = WPA_BSS_MASK_ALL;
3389
3390         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3391                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3392                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3393                                             list_id);
3394                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3395                                                list_id);
3396                 } else { /* N1-N2 */
3397                         unsigned int id1, id2;
3398
3399                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3400                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3401                                            "format");
3402                                 return 0;
3403                         }
3404
3405                         if (*(cmd + 6) == '-')
3406                                 id1 = 0;
3407                         else
3408                                 id1 = atoi(cmd + 6);
3409                         ctmp++;
3410                         if (*ctmp >= '0' && *ctmp <= '9')
3411                                 id2 = atoi(ctmp);
3412                         else
3413                                 id2 = (unsigned int) -1;
3414                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3415                         if (id2 == (unsigned int) -1)
3416                                 bsslast = dl_list_last(&wpa_s->bss_id,
3417                                                        struct wpa_bss,
3418                                                        list_id);
3419                         else {
3420                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3421                                 if (bsslast == NULL && bss && id2 > id1) {
3422                                         struct wpa_bss *tmp = bss;
3423                                         for (;;) {
3424                                                 next = tmp->list_id.next;
3425                                                 if (next == &wpa_s->bss_id)
3426                                                         break;
3427                                                 tmp = dl_list_entry(
3428                                                         next, struct wpa_bss,
3429                                                         list_id);
3430                                                 if (tmp->id > id2)
3431                                                         break;
3432                                                 bsslast = tmp;
3433                                         }
3434                                 }
3435                         }
3436                 }
3437         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3438                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3439         else if (os_strncmp(cmd, "LAST", 4) == 0)
3440                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3441         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3442                 i = atoi(cmd + 3);
3443                 bss = wpa_bss_get_id(wpa_s, i);
3444         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3445                 i = atoi(cmd + 5);
3446                 bss = wpa_bss_get_id(wpa_s, i);
3447                 if (bss) {
3448                         next = bss->list_id.next;
3449                         if (next == &wpa_s->bss_id)
3450                                 bss = NULL;
3451                         else
3452                                 bss = dl_list_entry(next, struct wpa_bss,
3453                                                     list_id);
3454                 }
3455 #ifdef CONFIG_P2P
3456         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3457                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3458                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3459                 else
3460                         bss = NULL;
3461 #endif /* CONFIG_P2P */
3462         } else if (hwaddr_aton(cmd, bssid) == 0)
3463                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3464         else {
3465                 struct wpa_bss *tmp;
3466                 i = atoi(cmd);
3467                 bss = NULL;
3468                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3469                 {
3470                         if (i-- == 0) {
3471                                 bss = tmp;
3472                                 break;
3473                         }
3474                 }
3475         }
3476
3477         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3478                 mask = strtoul(ctmp + 5, NULL, 0x10);
3479                 if (mask == 0)
3480                         mask = WPA_BSS_MASK_ALL;
3481         }
3482
3483         if (bss == NULL)
3484                 return 0;
3485
3486         if (bsslast == NULL)
3487                 bsslast = bss;
3488         do {
3489                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3490                 ret += len;
3491                 buf += len;
3492                 buflen -= len;
3493                 if (bss == bsslast) {
3494                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
3495                             (bss == dl_list_last(&wpa_s->bss_id,
3496                                                  struct wpa_bss, list_id)))
3497                                 os_snprintf(buf - 5, 5, "####\n");
3498                         break;
3499                 }
3500                 next = bss->list_id.next;
3501                 if (next == &wpa_s->bss_id)
3502                         break;
3503                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3504         } while (bss && len);
3505
3506         return ret;
3507 }
3508
3509
3510 static int wpa_supplicant_ctrl_iface_ap_scan(
3511         struct wpa_supplicant *wpa_s, char *cmd)
3512 {
3513         int ap_scan = atoi(cmd);
3514         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3515 }
3516
3517
3518 static int wpa_supplicant_ctrl_iface_scan_interval(
3519         struct wpa_supplicant *wpa_s, char *cmd)
3520 {
3521         int scan_int = atoi(cmd);
3522         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3523 }
3524
3525
3526 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3527         struct wpa_supplicant *wpa_s, char *cmd)
3528 {
3529         int expire_age = atoi(cmd);
3530         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3531 }
3532
3533
3534 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3535         struct wpa_supplicant *wpa_s, char *cmd)
3536 {
3537         int expire_count = atoi(cmd);
3538         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3539 }
3540
3541
3542 static int wpa_supplicant_ctrl_iface_bss_flush(
3543         struct wpa_supplicant *wpa_s, char *cmd)
3544 {
3545         int flush_age = atoi(cmd);
3546
3547         if (flush_age == 0)
3548                 wpa_bss_flush(wpa_s);
3549         else
3550                 wpa_bss_flush_by_age(wpa_s, flush_age);
3551         return 0;
3552 }
3553
3554
3555 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3556 {
3557         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3558         /* MLME-DELETEKEYS.request */
3559         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3560         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3561         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3562         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3563 #ifdef CONFIG_IEEE80211W
3564         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3565         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3566 #endif /* CONFIG_IEEE80211W */
3567
3568         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3569                         0);
3570         /* MLME-SETPROTECTION.request(None) */
3571         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3572                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3573                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3574         wpa_sm_drop_sa(wpa_s->wpa);
3575 }
3576
3577
3578 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3579                                           char *addr)
3580 {
3581 #ifdef CONFIG_NO_SCAN_PROCESSING
3582         return -1;
3583 #else /* CONFIG_NO_SCAN_PROCESSING */
3584         u8 bssid[ETH_ALEN];
3585         struct wpa_bss *bss;
3586         struct wpa_ssid *ssid = wpa_s->current_ssid;
3587
3588         if (hwaddr_aton(addr, bssid)) {
3589                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3590                            "address '%s'", addr);
3591                 return -1;
3592         }
3593
3594         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3595
3596         if (!ssid) {
3597                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3598                            "configuration known for the target AP");
3599                 return -1;
3600         }
3601
3602         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
3603         if (!bss) {
3604                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3605                            "from BSS table");
3606                 return -1;
3607         }
3608
3609         /*
3610          * TODO: Find best network configuration block from configuration to
3611          * allow roaming to other networks
3612          */
3613
3614         wpa_s->reassociate = 1;
3615         wpa_supplicant_connect(wpa_s, bss, ssid);
3616
3617         return 0;
3618 #endif /* CONFIG_NO_SCAN_PROCESSING */
3619 }
3620
3621
3622 #ifdef CONFIG_P2P
3623 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3624 {
3625         unsigned int timeout = atoi(cmd);
3626         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3627         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3628         char *pos;
3629         unsigned int search_delay;
3630
3631         if (os_strstr(cmd, "type=social"))
3632                 type = P2P_FIND_ONLY_SOCIAL;
3633         else if (os_strstr(cmd, "type=progressive"))
3634                 type = P2P_FIND_PROGRESSIVE;
3635
3636         pos = os_strstr(cmd, "dev_id=");
3637         if (pos) {
3638                 pos += 7;
3639                 if (hwaddr_aton(pos, dev_id))
3640                         return -1;
3641                 _dev_id = dev_id;
3642         }
3643
3644         pos = os_strstr(cmd, "delay=");
3645         if (pos) {
3646                 pos += 6;
3647                 search_delay = atoi(pos);
3648         } else
3649                 search_delay = wpas_p2p_search_delay(wpa_s);
3650
3651         return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3652                              search_delay);
3653 }
3654
3655
3656 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3657                             char *buf, size_t buflen)
3658 {
3659         u8 addr[ETH_ALEN];
3660         char *pos, *pos2;
3661         char *pin = NULL;
3662         enum p2p_wps_method wps_method;
3663         int new_pin;
3664         int ret;
3665         int persistent_group, persistent_id = -1;
3666         int join;
3667         int auth;
3668         int automatic;
3669         int go_intent = -1;
3670         int freq = 0;
3671         int pd;
3672         int ht40;
3673
3674         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3675          * [persistent|persistent=<network id>]
3676          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3677          * [ht40] */
3678
3679         if (hwaddr_aton(cmd, addr))
3680                 return -1;
3681
3682         pos = cmd + 17;
3683         if (*pos != ' ')
3684                 return -1;
3685         pos++;
3686
3687         persistent_group = os_strstr(pos, " persistent") != NULL;
3688         pos2 = os_strstr(pos, " persistent=");
3689         if (pos2) {
3690                 struct wpa_ssid *ssid;
3691                 persistent_id = atoi(pos2 + 12);
3692                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3693                 if (ssid == NULL || ssid->disabled != 2 ||
3694                     ssid->mode != WPAS_MODE_P2P_GO) {
3695                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3696                                    "SSID id=%d for persistent P2P group (GO)",
3697                                    persistent_id);
3698                         return -1;
3699                 }
3700         }
3701         join = os_strstr(pos, " join") != NULL;
3702         auth = os_strstr(pos, " auth") != NULL;
3703         automatic = os_strstr(pos, " auto") != NULL;
3704         pd = os_strstr(pos, " provdisc") != NULL;
3705         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3706
3707         pos2 = os_strstr(pos, " go_intent=");
3708         if (pos2) {
3709                 pos2 += 11;
3710                 go_intent = atoi(pos2);
3711                 if (go_intent < 0 || go_intent > 15)
3712                         return -1;
3713         }
3714
3715         pos2 = os_strstr(pos, " freq=");
3716         if (pos2) {
3717                 pos2 += 6;
3718                 freq = atoi(pos2);
3719                 if (freq <= 0)
3720                         return -1;
3721         }
3722
3723         if (os_strncmp(pos, "pin", 3) == 0) {
3724                 /* Request random PIN (to be displayed) and enable the PIN */
3725                 wps_method = WPS_PIN_DISPLAY;
3726         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3727                 wps_method = WPS_PBC;
3728         } else {
3729                 pin = pos;
3730                 pos = os_strchr(pin, ' ');
3731                 wps_method = WPS_PIN_KEYPAD;
3732                 if (pos) {
3733                         *pos++ = '\0';
3734                         if (os_strncmp(pos, "display", 7) == 0)
3735                                 wps_method = WPS_PIN_DISPLAY;
3736                 }
3737                 if (!wps_pin_str_valid(pin)) {
3738                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3739                         return 17;
3740                 }
3741         }
3742
3743         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3744                                    persistent_group, automatic, join,
3745                                    auth, go_intent, freq, persistent_id, pd,
3746                                    ht40);
3747         if (new_pin == -2) {
3748                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3749                 return 25;
3750         }
3751         if (new_pin == -3) {
3752                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3753                 return 25;
3754         }
3755         if (new_pin < 0)
3756                 return -1;
3757         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3758                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3759                 if (ret < 0 || (size_t) ret >= buflen)
3760                         return -1;
3761                 return ret;
3762         }
3763
3764         os_memcpy(buf, "OK\n", 3);
3765         return 3;
3766 }
3767
3768
3769 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3770 {
3771         unsigned int timeout = atoi(cmd);
3772         return wpas_p2p_listen(wpa_s, timeout);
3773 }
3774
3775
3776 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3777 {
3778         u8 addr[ETH_ALEN];
3779         char *pos;
3780         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3781
3782         /* <addr> <config method> [join|auto] */
3783
3784         if (hwaddr_aton(cmd, addr))
3785                 return -1;
3786
3787         pos = cmd + 17;
3788         if (*pos != ' ')
3789                 return -1;
3790         pos++;
3791
3792         if (os_strstr(pos, " join") != NULL)
3793                 use = WPAS_P2P_PD_FOR_JOIN;
3794         else if (os_strstr(pos, " auto") != NULL)
3795                 use = WPAS_P2P_PD_AUTO;
3796
3797         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3798 }
3799
3800
3801 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3802                               size_t buflen)
3803 {
3804         struct wpa_ssid *ssid = wpa_s->current_ssid;
3805
3806         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3807             ssid->passphrase == NULL)
3808                 return -1;
3809
3810         os_strlcpy(buf, ssid->passphrase, buflen);
3811         return os_strlen(buf);
3812 }
3813
3814
3815 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3816                                   char *buf, size_t buflen)
3817 {
3818         u64 ref;
3819         int res;
3820         u8 dst_buf[ETH_ALEN], *dst;
3821         struct wpabuf *tlvs;
3822         char *pos;
3823         size_t len;
3824
3825         if (hwaddr_aton(cmd, dst_buf))
3826                 return -1;
3827         dst = dst_buf;
3828         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3829             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3830                 dst = NULL;
3831         pos = cmd + 17;
3832         if (*pos != ' ')
3833                 return -1;
3834         pos++;
3835
3836         if (os_strncmp(pos, "upnp ", 5) == 0) {
3837                 u8 version;
3838                 pos += 5;
3839                 if (hexstr2bin(pos, &version, 1) < 0)
3840                         return -1;
3841                 pos += 2;
3842                 if (*pos != ' ')
3843                         return -1;
3844                 pos++;
3845                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3846 #ifdef CONFIG_WIFI_DISPLAY
3847         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3848                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3849 #endif /* CONFIG_WIFI_DISPLAY */
3850         } else {
3851                 len = os_strlen(pos);
3852                 if (len & 1)
3853                         return -1;
3854                 len /= 2;
3855                 tlvs = wpabuf_alloc(len);
3856                 if (tlvs == NULL)
3857                         return -1;
3858                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3859                         wpabuf_free(tlvs);
3860                         return -1;
3861                 }
3862
3863                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3864                 wpabuf_free(tlvs);
3865         }
3866         if (ref == 0)
3867                 return -1;
3868         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3869         if (res < 0 || (unsigned) res >= buflen)
3870                 return -1;
3871         return res;
3872 }
3873
3874
3875 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3876                                          char *cmd)
3877 {
3878         long long unsigned val;
3879         u64 req;
3880         if (sscanf(cmd, "%llx", &val) != 1)
3881                 return -1;
3882         req = val;
3883         return wpas_p2p_sd_cancel_request(wpa_s, req);
3884 }
3885
3886
3887 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3888 {
3889         int freq;
3890         u8 dst[ETH_ALEN];
3891         u8 dialog_token;
3892         struct wpabuf *resp_tlvs;
3893         char *pos, *pos2;
3894         size_t len;
3895
3896         pos = os_strchr(cmd, ' ');
3897         if (pos == NULL)
3898                 return -1;
3899         *pos++ = '\0';
3900         freq = atoi(cmd);
3901         if (freq == 0)
3902                 return -1;
3903
3904         if (hwaddr_aton(pos, dst))
3905                 return -1;
3906         pos += 17;
3907         if (*pos != ' ')
3908                 return -1;
3909         pos++;
3910
3911         pos2 = os_strchr(pos, ' ');
3912         if (pos2 == NULL)
3913                 return -1;
3914         *pos2++ = '\0';
3915         dialog_token = atoi(pos);
3916
3917         len = os_strlen(pos2);
3918         if (len & 1)
3919                 return -1;
3920         len /= 2;
3921         resp_tlvs = wpabuf_alloc(len);
3922         if (resp_tlvs == NULL)
3923                 return -1;
3924         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3925                 wpabuf_free(resp_tlvs);
3926                 return -1;
3927         }
3928
3929         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3930         wpabuf_free(resp_tlvs);
3931         return 0;
3932 }
3933
3934
3935 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3936                                        char *cmd)
3937 {
3938         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3939                 return -1;
3940         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3941         return 0;
3942 }
3943
3944
3945 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3946                                         char *cmd)
3947 {
3948         char *pos;
3949         size_t len;
3950         struct wpabuf *query, *resp;
3951
3952         pos = os_strchr(cmd, ' ');
3953         if (pos == NULL)
3954                 return -1;
3955         *pos++ = '\0';
3956
3957         len = os_strlen(cmd);
3958         if (len & 1)
3959                 return -1;
3960         len /= 2;
3961         query = wpabuf_alloc(len);
3962         if (query == NULL)
3963                 return -1;
3964         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3965                 wpabuf_free(query);
3966                 return -1;
3967         }
3968
3969         len = os_strlen(pos);
3970         if (len & 1) {
3971                 wpabuf_free(query);
3972                 return -1;
3973         }
3974         len /= 2;
3975         resp = wpabuf_alloc(len);
3976         if (resp == NULL) {
3977                 wpabuf_free(query);
3978                 return -1;
3979         }
3980         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
3981                 wpabuf_free(query);
3982                 wpabuf_free(resp);
3983                 return -1;
3984         }
3985
3986         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
3987                 wpabuf_free(query);
3988                 wpabuf_free(resp);
3989                 return -1;
3990         }
3991         return 0;
3992 }
3993
3994
3995 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3996 {
3997         char *pos;
3998         u8 version;
3999
4000         pos = os_strchr(cmd, ' ');
4001         if (pos == NULL)
4002                 return -1;
4003         *pos++ = '\0';
4004
4005         if (hexstr2bin(cmd, &version, 1) < 0)
4006                 return -1;
4007
4008         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
4009 }
4010
4011
4012 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
4013 {
4014         char *pos;
4015
4016         pos = os_strchr(cmd, ' ');
4017         if (pos == NULL)
4018                 return -1;
4019         *pos++ = '\0';
4020
4021         if (os_strcmp(cmd, "bonjour") == 0)
4022                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
4023         if (os_strcmp(cmd, "upnp") == 0)
4024                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
4025         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4026         return -1;
4027 }
4028
4029
4030 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
4031                                         char *cmd)
4032 {
4033         size_t len;
4034         struct wpabuf *query;
4035         int ret;
4036
4037         len = os_strlen(cmd);
4038         if (len & 1)
4039                 return -1;
4040         len /= 2;
4041         query = wpabuf_alloc(len);
4042         if (query == NULL)
4043                 return -1;
4044         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4045                 wpabuf_free(query);
4046                 return -1;
4047         }
4048
4049         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
4050         wpabuf_free(query);
4051         return ret;
4052 }
4053
4054
4055 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4056 {
4057         char *pos;
4058         u8 version;
4059
4060         pos = os_strchr(cmd, ' ');
4061         if (pos == NULL)
4062                 return -1;
4063         *pos++ = '\0';
4064
4065         if (hexstr2bin(cmd, &version, 1) < 0)
4066                 return -1;
4067
4068         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4069 }
4070
4071
4072 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4073 {
4074         char *pos;
4075
4076         pos = os_strchr(cmd, ' ');
4077         if (pos == NULL)
4078                 return -1;
4079         *pos++ = '\0';
4080
4081         if (os_strcmp(cmd, "bonjour") == 0)
4082                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4083         if (os_strcmp(cmd, "upnp") == 0)
4084                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
4085         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4086         return -1;
4087 }
4088
4089
4090 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4091 {
4092         u8 addr[ETH_ALEN];
4093
4094         /* <addr> */
4095
4096         if (hwaddr_aton(cmd, addr))
4097                 return -1;
4098
4099         return wpas_p2p_reject(wpa_s, addr);
4100 }
4101
4102
4103 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
4104 {
4105         char *pos;
4106         int id;
4107         struct wpa_ssid *ssid;
4108         u8 *_peer = NULL, peer[ETH_ALEN];
4109         int freq = 0, pref_freq = 0;
4110         int ht40;
4111
4112         id = atoi(cmd);
4113         pos = os_strstr(cmd, " peer=");
4114         if (pos) {
4115                 pos += 6;
4116                 if (hwaddr_aton(pos, peer))
4117                         return -1;
4118                 _peer = peer;
4119         }
4120         ssid = wpa_config_get_network(wpa_s->conf, id);
4121         if (ssid == NULL || ssid->disabled != 2) {
4122                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4123                            "for persistent P2P group",
4124                            id);
4125                 return -1;
4126         }
4127
4128         pos = os_strstr(cmd, " freq=");
4129         if (pos) {
4130                 pos += 6;
4131                 freq = atoi(pos);
4132                 if (freq <= 0)
4133                         return -1;
4134         }
4135
4136         pos = os_strstr(cmd, " pref=");
4137         if (pos) {
4138                 pos += 6;
4139                 pref_freq = atoi(pos);
4140                 if (pref_freq <= 0)
4141                         return -1;
4142         }
4143
4144         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
4145
4146         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, pref_freq);
4147 }
4148
4149
4150 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4151 {
4152         char *pos;
4153         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4154
4155         pos = os_strstr(cmd, " peer=");
4156         if (!pos)
4157                 return -1;
4158
4159         *pos = '\0';
4160         pos += 6;
4161         if (hwaddr_aton(pos, peer)) {
4162                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4163                 return -1;
4164         }
4165
4166         pos = os_strstr(pos, " go_dev_addr=");
4167         if (pos) {
4168                 pos += 13;
4169                 if (hwaddr_aton(pos, go_dev_addr)) {
4170                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4171                                    pos);
4172                         return -1;
4173                 }
4174                 go_dev = go_dev_addr;
4175         }
4176
4177         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4178 }
4179
4180
4181 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4182 {
4183         if (os_strncmp(cmd, "persistent=", 11) == 0)
4184                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4185         if (os_strncmp(cmd, "group=", 6) == 0)
4186                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4187
4188         return -1;
4189 }
4190
4191
4192 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4193                                          char *cmd, int freq, int ht40)
4194 {
4195         int id;
4196         struct wpa_ssid *ssid;
4197
4198         id = atoi(cmd);
4199         ssid = wpa_config_get_network(wpa_s->conf, id);
4200         if (ssid == NULL || ssid->disabled != 2) {
4201                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4202                            "for persistent P2P group",
4203                            id);
4204                 return -1;
4205         }
4206
4207         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40, NULL);
4208 }
4209
4210
4211 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4212 {
4213         int freq = 0, ht40;
4214         char *pos;
4215
4216         pos = os_strstr(cmd, "freq=");
4217         if (pos)
4218                 freq = atoi(pos + 5);
4219
4220         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
4221
4222         if (os_strncmp(cmd, "persistent=", 11) == 0)
4223                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4224                                                      ht40);
4225         if (os_strcmp(cmd, "persistent") == 0 ||
4226             os_strncmp(cmd, "persistent ", 11) == 0)
4227                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40);
4228         if (os_strncmp(cmd, "freq=", 5) == 0)
4229                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4230         if (ht40)
4231                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4232
4233         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4234                    cmd);
4235         return -1;
4236 }
4237
4238
4239 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4240                          char *buf, size_t buflen)
4241 {
4242         u8 addr[ETH_ALEN], *addr_ptr;
4243         int next, res;
4244         const struct p2p_peer_info *info;
4245         char *pos, *end;
4246         char devtype[WPS_DEV_TYPE_BUFSIZE];
4247         struct wpa_ssid *ssid;
4248         size_t i;
4249
4250         if (!wpa_s->global->p2p)
4251                 return -1;
4252
4253         if (os_strcmp(cmd, "FIRST") == 0) {
4254                 addr_ptr = NULL;
4255                 next = 0;
4256         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4257                 if (hwaddr_aton(cmd + 5, addr) < 0)
4258                         return -1;
4259                 addr_ptr = addr;
4260                 next = 1;
4261         } else {
4262                 if (hwaddr_aton(cmd, addr) < 0)
4263                         return -1;
4264                 addr_ptr = addr;
4265                 next = 0;
4266         }
4267
4268         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4269         if (info == NULL)
4270                 return -1;
4271
4272         pos = buf;
4273         end = buf + buflen;
4274
4275         res = os_snprintf(pos, end - pos, MACSTR "\n"
4276                           "pri_dev_type=%s\n"
4277                           "device_name=%s\n"
4278                           "manufacturer=%s\n"
4279                           "model_name=%s\n"
4280                           "model_number=%s\n"
4281                           "serial_number=%s\n"
4282                           "config_methods=0x%x\n"
4283                           "dev_capab=0x%x\n"
4284                           "group_capab=0x%x\n"
4285                           "level=%d\n",
4286                           MAC2STR(info->p2p_device_addr),
4287                           wps_dev_type_bin2str(info->pri_dev_type,
4288                                                devtype, sizeof(devtype)),
4289                           info->device_name,
4290                           info->manufacturer,
4291                           info->model_name,
4292                           info->model_number,
4293                           info->serial_number,
4294                           info->config_methods,
4295                           info->dev_capab,
4296                           info->group_capab,
4297                           info->level);
4298         if (res < 0 || res >= end - pos)
4299                 return pos - buf;
4300         pos += res;
4301
4302         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4303         {
4304                 const u8 *t;
4305                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4306                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4307                                   wps_dev_type_bin2str(t, devtype,
4308                                                        sizeof(devtype)));
4309                 if (res < 0 || res >= end - pos)
4310                         return pos - buf;
4311                 pos += res;
4312         }
4313
4314         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4315         if (ssid) {
4316                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4317                 if (res < 0 || res >= end - pos)
4318                         return pos - buf;
4319                 pos += res;
4320         }
4321
4322         res = p2p_get_peer_info_txt(info, pos, end - pos);
4323         if (res < 0)
4324                 return pos - buf;
4325         pos += res;
4326
4327         return pos - buf;
4328 }
4329
4330
4331 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4332                                   const char *param)
4333 {
4334         struct wpa_freq_range *freq = NULL, *n;
4335         unsigned int count = 0, i;
4336         const char *pos, *pos2, *pos3;
4337
4338         if (wpa_s->global->p2p == NULL)
4339                 return -1;
4340
4341         /*
4342          * param includes comma separated frequency range.
4343          * For example: 2412-2432,2462,5000-6000
4344          */
4345         pos = param;
4346         while (pos && pos[0]) {
4347                 n = os_realloc_array(freq, count + 1,
4348                                      sizeof(struct wpa_freq_range));
4349                 if (n == NULL) {
4350                         os_free(freq);
4351                         return -1;
4352                 }
4353                 freq = n;
4354                 freq[count].min = atoi(pos);
4355                 pos2 = os_strchr(pos, '-');
4356                 pos3 = os_strchr(pos, ',');
4357                 if (pos2 && (!pos3 || pos2 < pos3)) {
4358                         pos2++;
4359                         freq[count].max = atoi(pos2);
4360                 } else
4361                         freq[count].max = freq[count].min;
4362                 pos = pos3;
4363                 if (pos)
4364                         pos++;
4365                 count++;
4366         }
4367
4368         for (i = 0; i < count; i++) {
4369                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4370                            freq[i].min, freq[i].max);
4371         }
4372
4373         os_free(wpa_s->global->p2p_disallow_freq);
4374         wpa_s->global->p2p_disallow_freq = freq;
4375         wpa_s->global->num_p2p_disallow_freq = count;
4376         wpas_p2p_update_channel_list(wpa_s);
4377         return 0;
4378 }
4379
4380
4381 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4382 {
4383         char *param;
4384
4385         if (wpa_s->global->p2p == NULL)
4386                 return -1;
4387
4388         param = os_strchr(cmd, ' ');
4389         if (param == NULL)
4390                 return -1;
4391         *param++ = '\0';
4392
4393         if (os_strcmp(cmd, "discoverability") == 0) {
4394                 p2p_set_client_discoverability(wpa_s->global->p2p,
4395                                                atoi(param));
4396                 return 0;
4397         }
4398
4399         if (os_strcmp(cmd, "managed") == 0) {
4400                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4401                 return 0;
4402         }
4403
4404         if (os_strcmp(cmd, "listen_channel") == 0) {
4405                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4406                                               atoi(param));
4407         }
4408
4409         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4410                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4411                                             os_strlen(param));
4412         }
4413
4414         if (os_strcmp(cmd, "noa") == 0) {
4415                 char *pos;
4416                 int count, start, duration;
4417                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4418                 count = atoi(param);
4419                 pos = os_strchr(param, ',');
4420                 if (pos == NULL)
4421                         return -1;
4422                 pos++;
4423                 start = atoi(pos);
4424                 pos = os_strchr(pos, ',');
4425                 if (pos == NULL)
4426                         return -1;
4427                 pos++;
4428                 duration = atoi(pos);
4429                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4430                         return -1;
4431                 if (count == 0 && duration > 0)
4432                         return -1;
4433                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4434                            "start=%d duration=%d", count, start, duration);
4435                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4436         }
4437
4438         if (os_strcmp(cmd, "ps") == 0)
4439                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4440
4441         if (os_strcmp(cmd, "oppps") == 0)
4442                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4443
4444         if (os_strcmp(cmd, "ctwindow") == 0)
4445                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4446
4447         if (os_strcmp(cmd, "disabled") == 0) {
4448                 wpa_s->global->p2p_disabled = atoi(param);
4449                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4450                            wpa_s->global->p2p_disabled ?
4451                            "disabled" : "enabled");
4452                 if (wpa_s->global->p2p_disabled) {
4453                         wpas_p2p_stop_find(wpa_s);
4454                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4455                         p2p_flush(wpa_s->global->p2p);
4456                 }
4457                 return 0;
4458         }
4459
4460         if (os_strcmp(cmd, "conc_pref") == 0) {
4461                 if (os_strcmp(param, "sta") == 0)
4462                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4463                 else if (os_strcmp(param, "p2p") == 0)
4464                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4465                 else {
4466                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4467                         return -1;
4468                 }
4469                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4470                            "%s", param);
4471                 return 0;
4472         }
4473
4474         if (os_strcmp(cmd, "force_long_sd") == 0) {
4475                 wpa_s->force_long_sd = atoi(param);
4476                 return 0;
4477         }
4478
4479         if (os_strcmp(cmd, "peer_filter") == 0) {
4480                 u8 addr[ETH_ALEN];
4481                 if (hwaddr_aton(param, addr))
4482                         return -1;
4483                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4484                 return 0;
4485         }
4486
4487         if (os_strcmp(cmd, "cross_connect") == 0)
4488                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4489
4490         if (os_strcmp(cmd, "go_apsd") == 0) {
4491                 if (os_strcmp(param, "disable") == 0)
4492                         wpa_s->set_ap_uapsd = 0;
4493                 else {
4494                         wpa_s->set_ap_uapsd = 1;
4495                         wpa_s->ap_uapsd = atoi(param);
4496                 }
4497                 return 0;
4498         }
4499
4500         if (os_strcmp(cmd, "client_apsd") == 0) {
4501                 if (os_strcmp(param, "disable") == 0)
4502                         wpa_s->set_sta_uapsd = 0;
4503                 else {
4504                         int be, bk, vi, vo;
4505                         char *pos;
4506                         /* format: BE,BK,VI,VO;max SP Length */
4507                         be = atoi(param);
4508                         pos = os_strchr(param, ',');
4509                         if (pos == NULL)
4510                                 return -1;
4511                         pos++;
4512                         bk = atoi(pos);
4513                         pos = os_strchr(pos, ',');
4514                         if (pos == NULL)
4515                                 return -1;
4516                         pos++;
4517                         vi = atoi(pos);
4518                         pos = os_strchr(pos, ',');
4519                         if (pos == NULL)
4520                                 return -1;
4521                         pos++;
4522                         vo = atoi(pos);
4523                         /* ignore max SP Length for now */
4524
4525                         wpa_s->set_sta_uapsd = 1;
4526                         wpa_s->sta_uapsd = 0;
4527                         if (be)
4528                                 wpa_s->sta_uapsd |= BIT(0);
4529                         if (bk)
4530                                 wpa_s->sta_uapsd |= BIT(1);
4531                         if (vi)
4532                                 wpa_s->sta_uapsd |= BIT(2);
4533                         if (vo)
4534                                 wpa_s->sta_uapsd |= BIT(3);
4535                 }
4536                 return 0;
4537         }
4538
4539         if (os_strcmp(cmd, "disallow_freq") == 0)
4540                 return p2p_ctrl_disallow_freq(wpa_s, param);
4541
4542         if (os_strcmp(cmd, "disc_int") == 0) {
4543                 int min_disc_int, max_disc_int, max_disc_tu;
4544                 char *pos;
4545
4546                 pos = param;
4547
4548                 min_disc_int = atoi(pos);
4549                 pos = os_strchr(pos, ' ');
4550                 if (pos == NULL)
4551                         return -1;
4552                 *pos++ = '\0';
4553
4554                 max_disc_int = atoi(pos);
4555                 pos = os_strchr(pos, ' ');
4556                 if (pos == NULL)
4557                         return -1;
4558                 *pos++ = '\0';
4559
4560                 max_disc_tu = atoi(pos);
4561
4562                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4563                                         max_disc_int, max_disc_tu);
4564         }
4565
4566         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4567                    cmd);
4568
4569         return -1;
4570 }
4571
4572
4573 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
4574 {
4575         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4576         wpa_s->force_long_sd = 0;
4577         if (wpa_s->global->p2p)
4578                 p2p_flush(wpa_s->global->p2p);
4579 }
4580
4581
4582 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4583 {
4584         char *pos, *pos2;
4585         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4586
4587         if (cmd[0]) {
4588                 pos = os_strchr(cmd, ' ');
4589                 if (pos == NULL)
4590                         return -1;
4591                 *pos++ = '\0';
4592                 dur1 = atoi(cmd);
4593
4594                 pos2 = os_strchr(pos, ' ');
4595                 if (pos2)
4596                         *pos2++ = '\0';
4597                 int1 = atoi(pos);
4598         } else
4599                 pos2 = NULL;
4600
4601         if (pos2) {
4602                 pos = os_strchr(pos2, ' ');
4603                 if (pos == NULL)
4604                         return -1;
4605                 *pos++ = '\0';
4606                 dur2 = atoi(pos2);
4607                 int2 = atoi(pos);
4608         }
4609
4610         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4611 }
4612
4613
4614 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4615 {
4616         char *pos;
4617         unsigned int period = 0, interval = 0;
4618
4619         if (cmd[0]) {
4620                 pos = os_strchr(cmd, ' ');
4621                 if (pos == NULL)
4622                         return -1;
4623                 *pos++ = '\0';
4624                 period = atoi(cmd);
4625                 interval = atoi(pos);
4626         }
4627
4628         return wpas_p2p_ext_listen(wpa_s, period, interval);
4629 }
4630
4631 #endif /* CONFIG_P2P */
4632
4633
4634 #ifdef CONFIG_INTERWORKING
4635 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4636 {
4637         u8 bssid[ETH_ALEN];
4638         struct wpa_bss *bss;
4639
4640         if (hwaddr_aton(dst, bssid)) {
4641                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4642                 return -1;
4643         }
4644
4645         bss = wpa_bss_get_bssid(wpa_s, bssid);
4646         if (bss == NULL) {
4647                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4648                            MAC2STR(bssid));
4649                 return -1;
4650         }
4651
4652         return interworking_connect(wpa_s, bss);
4653 }
4654
4655
4656 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4657 {
4658         u8 dst_addr[ETH_ALEN];
4659         int used;
4660         char *pos;
4661 #define MAX_ANQP_INFO_ID 100
4662         u16 id[MAX_ANQP_INFO_ID];
4663         size_t num_id = 0;
4664
4665         used = hwaddr_aton2(dst, dst_addr);
4666         if (used < 0)
4667                 return -1;
4668         pos = dst + used;
4669         while (num_id < MAX_ANQP_INFO_ID) {
4670                 id[num_id] = atoi(pos);
4671                 if (id[num_id])
4672                         num_id++;
4673                 pos = os_strchr(pos + 1, ',');
4674                 if (pos == NULL)
4675                         break;
4676                 pos++;
4677         }
4678
4679         if (num_id == 0)
4680                 return -1;
4681
4682         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4683 }
4684
4685
4686 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4687 {
4688         u8 dst_addr[ETH_ALEN];
4689         struct wpabuf *advproto, *query = NULL;
4690         int used, ret = -1;
4691         char *pos, *end;
4692         size_t len;
4693
4694         used = hwaddr_aton2(cmd, dst_addr);
4695         if (used < 0)
4696                 return -1;
4697
4698         pos = cmd + used;
4699         while (*pos == ' ')
4700                 pos++;
4701
4702         /* Advertisement Protocol ID */
4703         end = os_strchr(pos, ' ');
4704         if (end)
4705                 len = end - pos;
4706         else
4707                 len = os_strlen(pos);
4708         if (len & 0x01)
4709                 return -1;
4710         len /= 2;
4711         if (len == 0)
4712                 return -1;
4713         advproto = wpabuf_alloc(len);
4714         if (advproto == NULL)
4715                 return -1;
4716         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4717                 goto fail;
4718
4719         if (end) {
4720                 /* Optional Query Request */
4721                 pos = end + 1;
4722                 while (*pos == ' ')
4723                         pos++;
4724
4725                 len = os_strlen(pos);
4726                 if (len) {
4727                         if (len & 0x01)
4728                                 goto fail;
4729                         len /= 2;
4730                         if (len == 0)
4731                                 goto fail;
4732                         query = wpabuf_alloc(len);
4733                         if (query == NULL)
4734                                 goto fail;
4735                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4736                                 goto fail;
4737                 }
4738         }
4739
4740         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4741
4742 fail:
4743         wpabuf_free(advproto);
4744         wpabuf_free(query);
4745
4746         return ret;
4747 }
4748
4749
4750 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4751                             size_t buflen)
4752 {
4753         u8 addr[ETH_ALEN];
4754         int dialog_token;
4755         int used;
4756         char *pos;
4757         size_t resp_len, start, requested_len;
4758
4759         if (!wpa_s->last_gas_resp)
4760                 return -1;
4761
4762         used = hwaddr_aton2(cmd, addr);
4763         if (used < 0)
4764                 return -1;
4765
4766         pos = cmd + used;
4767         while (*pos == ' ')
4768                 pos++;
4769         dialog_token = atoi(pos);
4770
4771         if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4772             dialog_token != wpa_s->last_gas_dialog_token)
4773                 return -1;
4774
4775         resp_len = wpabuf_len(wpa_s->last_gas_resp);
4776         start = 0;
4777         requested_len = resp_len;
4778
4779         pos = os_strchr(pos, ' ');
4780         if (pos) {
4781                 start = atoi(pos);
4782                 if (start > resp_len)
4783                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4784                 pos = os_strchr(pos, ',');
4785                 if (pos == NULL)
4786                         return -1;
4787                 pos++;
4788                 requested_len = atoi(pos);
4789                 if (start + requested_len > resp_len)
4790                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4791         }
4792
4793         if (requested_len * 2 + 1 > buflen)
4794                 return os_snprintf(buf, buflen, "FAIL-Too long response");
4795
4796         return wpa_snprintf_hex(buf, buflen,
4797                                 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4798                                 requested_len);
4799 }
4800 #endif /* CONFIG_INTERWORKING */
4801
4802
4803 #ifdef CONFIG_HS20
4804
4805 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4806 {
4807         u8 dst_addr[ETH_ALEN];
4808         int used;
4809         char *pos;
4810         u32 subtypes = 0;
4811
4812         used = hwaddr_aton2(dst, dst_addr);
4813         if (used < 0)
4814                 return -1;
4815         pos = dst + used;
4816         for (;;) {
4817                 int num = atoi(pos);
4818                 if (num <= 0 || num > 31)
4819                         return -1;
4820                 subtypes |= BIT(num);
4821                 pos = os_strchr(pos + 1, ',');
4822                 if (pos == NULL)
4823                         break;
4824                 pos++;
4825         }
4826
4827         if (subtypes == 0)
4828                 return -1;
4829
4830         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4831 }
4832
4833
4834 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4835                                     const u8 *addr, const char *realm)
4836 {
4837         u8 *buf;
4838         size_t rlen, len;
4839         int ret;
4840
4841         rlen = os_strlen(realm);
4842         len = 3 + rlen;
4843         buf = os_malloc(len);
4844         if (buf == NULL)
4845                 return -1;
4846         buf[0] = 1; /* NAI Home Realm Count */
4847         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4848         buf[2] = rlen;
4849         os_memcpy(buf + 3, realm, rlen);
4850
4851         ret = hs20_anqp_send_req(wpa_s, addr,
4852                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4853                                  buf, len);
4854
4855         os_free(buf);
4856
4857         return ret;
4858 }
4859
4860
4861 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4862                                         char *dst)
4863 {
4864         struct wpa_cred *cred = wpa_s->conf->cred;
4865         u8 dst_addr[ETH_ALEN];
4866         int used;
4867         u8 *buf;
4868         size_t len;
4869         int ret;
4870
4871         used = hwaddr_aton2(dst, dst_addr);
4872         if (used < 0)
4873                 return -1;
4874
4875         while (dst[used] == ' ')
4876                 used++;
4877         if (os_strncmp(dst + used, "realm=", 6) == 0)
4878                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4879                                                 dst + used + 6);
4880
4881         len = os_strlen(dst + used);
4882
4883         if (len == 0 && cred && cred->realm)
4884                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4885
4886         if (len % 1)
4887                 return -1;
4888         len /= 2;
4889         buf = os_malloc(len);
4890         if (buf == NULL)
4891                 return -1;
4892         if (hexstr2bin(dst + used, buf, len) < 0) {
4893                 os_free(buf);
4894                 return -1;
4895         }
4896
4897         ret = hs20_anqp_send_req(wpa_s, dst_addr,
4898                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4899                                  buf, len);
4900         os_free(buf);
4901
4902         return ret;
4903 }
4904
4905 #endif /* CONFIG_HS20 */
4906
4907
4908 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4909         struct wpa_supplicant *wpa_s, char *cmd)
4910 {
4911         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4912         return 0;
4913 }
4914
4915
4916 #ifdef CONFIG_AUTOSCAN
4917
4918 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4919                                               char *cmd)
4920 {
4921         enum wpa_states state = wpa_s->wpa_state;
4922         char *new_params = NULL;
4923
4924         if (os_strlen(cmd) > 0) {
4925                 new_params = os_strdup(cmd);
4926                 if (new_params == NULL)
4927                         return -1;
4928         }
4929
4930         os_free(wpa_s->conf->autoscan);
4931         wpa_s->conf->autoscan = new_params;
4932
4933         if (wpa_s->conf->autoscan == NULL)
4934                 autoscan_deinit(wpa_s);
4935         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4936                 autoscan_init(wpa_s, 1);
4937         else if (state == WPA_SCANNING)
4938                 wpa_supplicant_reinit_autoscan(wpa_s);
4939
4940         return 0;
4941 }
4942
4943 #endif /* CONFIG_AUTOSCAN */
4944
4945
4946 #ifdef CONFIG_WNM
4947
4948 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
4949 {
4950         int enter;
4951         int intval = 0;
4952         char *pos;
4953         int ret;
4954         struct wpabuf *tfs_req = NULL;
4955
4956         if (os_strncmp(cmd, "enter", 5) == 0)
4957                 enter = 1;
4958         else if (os_strncmp(cmd, "exit", 4) == 0)
4959                 enter = 0;
4960         else
4961                 return -1;
4962
4963         pos = os_strstr(cmd, " interval=");
4964         if (pos)
4965                 intval = atoi(pos + 10);
4966
4967         pos = os_strstr(cmd, " tfs_req=");
4968         if (pos) {
4969                 char *end;
4970                 size_t len;
4971                 pos += 9;
4972                 end = os_strchr(pos, ' ');
4973                 if (end)
4974                         len = end - pos;
4975                 else
4976                         len = os_strlen(pos);
4977                 if (len & 1)
4978                         return -1;
4979                 len /= 2;
4980                 tfs_req = wpabuf_alloc(len);
4981                 if (tfs_req == NULL)
4982                         return -1;
4983                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
4984                         wpabuf_free(tfs_req);
4985                         return -1;
4986                 }
4987         }
4988
4989         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
4990                                            WNM_SLEEP_MODE_EXIT, intval,
4991                                            tfs_req);
4992         wpabuf_free(tfs_req);
4993
4994         return ret;
4995 }
4996
4997
4998 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
4999 {
5000         int query_reason;
5001
5002         query_reason = atoi(cmd);
5003
5004         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
5005                    query_reason);
5006
5007         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
5008 }
5009
5010 #endif /* CONFIG_WNM */
5011
5012
5013 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
5014                                       size_t buflen)
5015 {
5016         struct wpa_signal_info si;
5017         int ret;
5018
5019         ret = wpa_drv_signal_poll(wpa_s, &si);
5020         if (ret)
5021                 return -1;
5022
5023         ret = os_snprintf(buf, buflen, "RSSI=%d\nLINKSPEED=%d\n"
5024                           "NOISE=%d\nFREQUENCY=%u\n",
5025                           si.current_signal, si.current_txrate / 1000,
5026                           si.current_noise, si.frequency);
5027         if (ret < 0 || (unsigned int) ret > buflen)
5028                 return -1;
5029         return ret;
5030 }
5031
5032
5033 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
5034                                       size_t buflen)
5035 {
5036         struct hostap_sta_driver_data sta;
5037         int ret;
5038
5039         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
5040         if (ret)
5041                 return -1;
5042
5043         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
5044                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
5045         if (ret < 0 || (size_t) ret > buflen)
5046                 return -1;
5047         return ret;
5048 }
5049
5050
5051 #ifdef ANDROID
5052 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
5053                                      char *buf, size_t buflen)
5054 {
5055         int ret;
5056
5057         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
5058         if (ret == 0)
5059                 ret = sprintf(buf, "%s\n", "OK");
5060         return ret;
5061 }
5062 #endif
5063
5064
5065 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
5066 {
5067         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
5068
5069 #ifdef CONFIG_P2P
5070         wpas_p2p_stop_find(wpa_s);
5071         p2p_ctrl_flush(wpa_s);
5072         wpas_p2p_group_remove(wpa_s, "*");
5073 #endif /* CONFIG_P2P */
5074
5075 #ifdef CONFIG_WPS_TESTING
5076         wps_version_number = 0x20;
5077         wps_testing_dummy_cred = 0;
5078 #endif /* CONFIG_WPS_TESTING */
5079 #ifdef CONFIG_WPS
5080         wpas_wps_cancel(wpa_s);
5081 #endif /* CONFIG_WPS */
5082
5083 #ifdef CONFIG_TDLS_TESTING
5084         extern unsigned int tdls_testing;
5085         tdls_testing = 0;
5086 #endif /* CONFIG_TDLS_TESTING */
5087 #ifdef CONFIG_TDLS
5088         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
5089         wpa_tdls_enable(wpa_s->wpa, 1);
5090 #endif /* CONFIG_TDLS */
5091
5092         wpa_s->no_keep_alive = 0;
5093
5094         os_free(wpa_s->disallow_aps_bssid);
5095         wpa_s->disallow_aps_bssid = NULL;
5096         wpa_s->disallow_aps_bssid_count = 0;
5097         os_free(wpa_s->disallow_aps_ssid);
5098         wpa_s->disallow_aps_ssid = NULL;
5099         wpa_s->disallow_aps_ssid_count = 0;
5100
5101         wpa_s->set_sta_uapsd = 0;
5102         wpa_s->sta_uapsd = 0;
5103
5104         wpa_drv_radio_disable(wpa_s, 0);
5105
5106         wpa_bss_flush(wpa_s);
5107         wpa_blacklist_clear(wpa_s);
5108         wpa_s->extra_blacklist_count = 0;
5109         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
5110         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
5111 }
5112
5113
5114 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
5115                                          char *buf, size_t *resp_len)
5116 {
5117         char *reply;
5118         const int reply_size = 4096;
5119         int ctrl_rsp = 0;
5120         int reply_len;
5121
5122         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
5123             os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
5124             os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
5125             os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0 ||
5126             os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
5127                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
5128                                       (const u8 *) buf, os_strlen(buf));
5129         } else {
5130                 int level = MSG_DEBUG;
5131                 if (os_strcmp(buf, "PING") == 0)
5132                         level = MSG_EXCESSIVE;
5133                 wpa_hexdump_ascii(level, "RX ctrl_iface",
5134                                   (const u8 *) buf, os_strlen(buf));
5135                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
5136         }
5137
5138         reply = os_malloc(reply_size);
5139         if (reply == NULL) {
5140                 *resp_len = 1;
5141                 return NULL;
5142         }
5143
5144         os_memcpy(reply, "OK\n", 3);
5145         reply_len = 3;
5146
5147         if (os_strcmp(buf, "PING") == 0) {
5148                 os_memcpy(reply, "PONG\n", 5);
5149                 reply_len = 5;
5150         } else if (os_strcmp(buf, "IFNAME") == 0) {
5151                 reply_len = os_strlen(wpa_s->ifname);
5152                 os_memcpy(reply, wpa_s->ifname, reply_len);
5153         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
5154                 if (wpa_debug_reopen_file() < 0)
5155                         reply_len = -1;
5156         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
5157                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
5158         } else if (os_strcmp(buf, "MIB") == 0) {
5159                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
5160                 if (reply_len >= 0) {
5161                         int res;
5162                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
5163                                                reply_size - reply_len);
5164                         if (res < 0)
5165                                 reply_len = -1;
5166                         else
5167                                 reply_len += res;
5168                 }
5169         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
5170                 reply_len = wpa_supplicant_ctrl_iface_status(
5171                         wpa_s, buf + 6, reply, reply_size);
5172         } else if (os_strcmp(buf, "PMKSA") == 0) {
5173                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
5174                                                     reply_size);
5175         } else if (os_strncmp(buf, "SET ", 4) == 0) {
5176                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
5177                         reply_len = -1;
5178         } else if (os_strncmp(buf, "GET ", 4) == 0) {
5179                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
5180                                                           reply, reply_size);
5181         } else if (os_strcmp(buf, "LOGON") == 0) {
5182                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5183         } else if (os_strcmp(buf, "LOGOFF") == 0) {
5184                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
5185         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
5186                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5187                         reply_len = -1;
5188                 else
5189                         wpas_request_connection(wpa_s);
5190         } else if (os_strcmp(buf, "RECONNECT") == 0) {
5191                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5192                         reply_len = -1;
5193                 else if (wpa_s->disconnected)
5194                         wpas_request_connection(wpa_s);
5195 #ifdef IEEE8021X_EAPOL
5196         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
5197                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
5198                         reply_len = -1;
5199 #endif /* IEEE8021X_EAPOL */
5200 #ifdef CONFIG_PEERKEY
5201         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
5202                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
5203                         reply_len = -1;
5204 #endif /* CONFIG_PEERKEY */
5205 #ifdef CONFIG_IEEE80211R
5206         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
5207                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
5208                         reply_len = -1;
5209 #endif /* CONFIG_IEEE80211R */
5210 #ifdef CONFIG_WPS
5211         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
5212                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
5213                 if (res == -2) {
5214                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5215                         reply_len = 17;
5216                 } else if (res)
5217                         reply_len = -1;
5218         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
5219                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
5220                 if (res == -2) {
5221                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5222                         reply_len = 17;
5223                 } else if (res)
5224                         reply_len = -1;
5225         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
5226                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
5227                                                               reply,
5228                                                               reply_size);
5229         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
5230                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
5231                         wpa_s, buf + 14, reply, reply_size);
5232         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
5233                 if (wpas_wps_cancel(wpa_s))
5234                         reply_len = -1;
5235 #ifdef CONFIG_WPS_NFC
5236         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
5237                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
5238                         reply_len = -1;
5239         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
5240                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
5241                         reply_len = -1;
5242         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
5243                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
5244                         wpa_s, buf + 21, reply, reply_size);
5245         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
5246                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
5247                         wpa_s, buf + 14, reply, reply_size);
5248         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
5249                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
5250                                                                buf + 17))
5251                         reply_len = -1;
5252         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
5253                 reply_len = wpas_ctrl_nfc_get_handover_req(
5254                         wpa_s, buf + 21, reply, reply_size);
5255         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
5256                 reply_len = wpas_ctrl_nfc_get_handover_sel(
5257                         wpa_s, buf + 21, reply, reply_size);
5258         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
5259                 reply_len = wpas_ctrl_nfc_rx_handover_req(
5260                         wpa_s, buf + 20, reply, reply_size);
5261         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
5262                 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
5263                         reply_len = -1;
5264         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
5265                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
5266                         reply_len = -1;
5267 #endif /* CONFIG_WPS_NFC */
5268         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
5269                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
5270                         reply_len = -1;
5271 #ifdef CONFIG_AP
5272         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
5273                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
5274                         wpa_s, buf + 11, reply, reply_size);
5275 #endif /* CONFIG_AP */
5276 #ifdef CONFIG_WPS_ER
5277         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
5278                 if (wpas_wps_er_start(wpa_s, NULL))
5279                         reply_len = -1;
5280         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
5281                 if (wpas_wps_er_start(wpa_s, buf + 13))
5282                         reply_len = -1;
5283         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
5284                 if (wpas_wps_er_stop(wpa_s))
5285                         reply_len = -1;
5286         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
5287                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
5288                         reply_len = -1;
5289         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
5290                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
5291                 if (ret == -2) {
5292                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5293                         reply_len = 17;
5294                 } else if (ret == -3) {
5295                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
5296                         reply_len = 18;
5297                 } else if (ret == -4) {
5298                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
5299                         reply_len = 20;
5300                 } else if (ret)
5301                         reply_len = -1;
5302         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
5303                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
5304                         reply_len = -1;
5305         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
5306                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
5307                                                                 buf + 18))
5308                         reply_len = -1;
5309         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
5310                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
5311                         reply_len = -1;
5312 #ifdef CONFIG_WPS_NFC
5313         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
5314                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
5315                         wpa_s, buf + 24, reply, reply_size);
5316 #endif /* CONFIG_WPS_NFC */
5317 #endif /* CONFIG_WPS_ER */
5318 #endif /* CONFIG_WPS */
5319 #ifdef CONFIG_IBSS_RSN
5320         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
5321                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
5322                         reply_len = -1;
5323 #endif /* CONFIG_IBSS_RSN */
5324 #ifdef CONFIG_P2P
5325         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
5326                 if (p2p_ctrl_find(wpa_s, buf + 9))
5327                         reply_len = -1;
5328         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
5329                 if (p2p_ctrl_find(wpa_s, ""))
5330                         reply_len = -1;
5331         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
5332                 wpas_p2p_stop_find(wpa_s);
5333         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
5334                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
5335                                              reply_size);
5336         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
5337                 if (p2p_ctrl_listen(wpa_s, buf + 11))
5338                         reply_len = -1;
5339         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
5340                 if (p2p_ctrl_listen(wpa_s, ""))
5341                         reply_len = -1;
5342         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
5343                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
5344                         reply_len = -1;
5345         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
5346                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0))
5347                         reply_len = -1;
5348         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
5349                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
5350                         reply_len = -1;
5351         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
5352                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
5353                         reply_len = -1;
5354         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
5355                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
5356         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
5357                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
5358                                                    reply_size);
5359         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
5360                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
5361                         reply_len = -1;
5362         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
5363                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
5364                         reply_len = -1;
5365         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
5366 #ifdef ANDROID_P2P
5367                 wpas_p2p_sd_service_update(wpa_s, SRV_UPDATE);
5368 #else
5369                 wpas_p2p_sd_service_update(wpa_s);
5370 #endif
5371         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
5372                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
5373                         reply_len = -1;
5374         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
5375                 wpas_p2p_service_flush(wpa_s);
5376         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
5377                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
5378                         reply_len = -1;
5379         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
5380                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
5381                         reply_len = -1;
5382         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
5383                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
5384                         reply_len = -1;
5385         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
5386                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
5387                         reply_len = -1;
5388         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
5389                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
5390                                               reply_size);
5391         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
5392                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
5393                         reply_len = -1;
5394         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
5395                 p2p_ctrl_flush(wpa_s);
5396         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
5397                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
5398                         reply_len = -1;
5399         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
5400                 if (wpas_p2p_cancel(wpa_s))
5401                         reply_len = -1;
5402         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
5403                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
5404                         reply_len = -1;
5405         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
5406                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
5407                         reply_len = -1;
5408         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
5409                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
5410                         reply_len = -1;
5411         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
5412                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
5413                         reply_len = -1;
5414 #endif /* CONFIG_P2P */
5415 #ifdef CONFIG_WIFI_DISPLAY
5416         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
5417                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
5418                         reply_len = -1;
5419         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
5420                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
5421                                                      reply, reply_size);
5422 #endif /* CONFIG_WIFI_DISPLAY */
5423 #ifdef CONFIG_INTERWORKING
5424         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
5425                 if (interworking_fetch_anqp(wpa_s) < 0)
5426                         reply_len = -1;
5427         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
5428                 interworking_stop_fetch_anqp(wpa_s);
5429         } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
5430                 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
5431                                         NULL) < 0)
5432                         reply_len = -1;
5433         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
5434                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
5435                         reply_len = -1;
5436         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
5437                 if (get_anqp(wpa_s, buf + 9) < 0)
5438                         reply_len = -1;
5439         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
5440                 if (gas_request(wpa_s, buf + 12) < 0)
5441                         reply_len = -1;
5442         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
5443                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
5444                                              reply_size);
5445 #endif /* CONFIG_INTERWORKING */
5446 #ifdef CONFIG_HS20
5447         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
5448                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
5449                         reply_len = -1;
5450         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
5451                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
5452                         reply_len = -1;
5453 #endif /* CONFIG_HS20 */
5454         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
5455         {
5456                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
5457                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
5458                         reply_len = -1;
5459                 else
5460                         ctrl_rsp = 1;
5461         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
5462                 if (wpa_supplicant_reload_configuration(wpa_s))
5463                         reply_len = -1;
5464         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5465                 wpa_supplicant_terminate_proc(wpa_s->global);
5466         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
5467                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
5468                         reply_len = -1;
5469         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
5470                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
5471                         wpa_s, buf + 9, reply, reply_size);
5472         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
5473                 reply_len = wpa_supplicant_ctrl_iface_log_level(
5474                         wpa_s, buf + 9, reply, reply_size);
5475         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
5476                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
5477                         wpa_s, reply, reply_size);
5478         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
5479 #ifdef CONFIG_SME
5480                 wpa_s->sme.prev_bssid_set = 0;
5481 #endif /* CONFIG_SME */
5482                 wpa_s->reassociate = 0;
5483                 wpa_s->disconnected = 1;
5484                 wpa_supplicant_cancel_sched_scan(wpa_s);
5485                 wpa_supplicant_cancel_scan(wpa_s);
5486                 wpa_supplicant_deauthenticate(wpa_s,
5487                                               WLAN_REASON_DEAUTH_LEAVING);
5488         } else if (os_strcmp(buf, "SCAN") == 0 ||
5489                    os_strncmp(buf, "SCAN ", 5) == 0) {
5490                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5491                         reply_len = -1;
5492                 else {
5493                         if (os_strlen(buf) > 4 &&
5494                             os_strncasecmp(buf + 5, "TYPE=ONLY", 9) == 0)
5495                                 wpa_s->scan_res_handler = scan_only_handler;
5496                         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5497                             ((wpa_s->wpa_state <= WPA_SCANNING) ||
5498                              (wpa_s->wpa_state == WPA_COMPLETED))) {
5499                                 wpa_s->normal_scans = 0;
5500                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5501                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5502                         } else if (wpa_s->sched_scanning) {
5503                                 wpa_printf(MSG_DEBUG, "Stop ongoing "
5504                                            "sched_scan to allow requested "
5505                                            "full scan to proceed");
5506                                 wpa_supplicant_cancel_sched_scan(wpa_s);
5507                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5508                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5509                         } else {
5510                                 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
5511                                            "reject new request");
5512                                 reply_len = os_snprintf(reply, reply_size,
5513                                                         "FAIL-BUSY\n");
5514                         }
5515                 }
5516         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
5517                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
5518                         wpa_s, reply, reply_size);
5519         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
5520                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
5521                         reply_len = -1;
5522         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
5523                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
5524                         reply_len = -1;
5525         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
5526                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
5527                         reply_len = -1;
5528         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
5529                 reply_len = wpa_supplicant_ctrl_iface_add_network(
5530                         wpa_s, reply, reply_size);
5531         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
5532                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
5533                         reply_len = -1;
5534         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5535                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
5536                         reply_len = -1;
5537         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
5538                 reply_len = wpa_supplicant_ctrl_iface_get_network(
5539                         wpa_s, buf + 12, reply, reply_size);
5540         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
5541                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
5542                         wpa_s, reply, reply_size);
5543         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
5544                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
5545                         wpa_s, reply, reply_size);
5546         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
5547                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
5548                         reply_len = -1;
5549         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
5550                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
5551                         reply_len = -1;
5552 #ifndef CONFIG_NO_CONFIG_WRITE
5553         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
5554                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
5555                         reply_len = -1;
5556 #endif /* CONFIG_NO_CONFIG_WRITE */
5557         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
5558                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
5559                         wpa_s, buf + 15, reply, reply_size);
5560         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
5561                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
5562                         reply_len = -1;
5563         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
5564                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
5565                         reply_len = -1;
5566         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5567                 reply_len = wpa_supplicant_global_iface_list(
5568                         wpa_s->global, reply, reply_size);
5569         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5570                 reply_len = wpa_supplicant_global_iface_interfaces(
5571                         wpa_s->global, reply, reply_size);
5572         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
5573                 reply_len = wpa_supplicant_ctrl_iface_bss(
5574                         wpa_s, buf + 4, reply, reply_size);
5575 #ifdef CONFIG_AP
5576         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
5577                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
5578         } else if (os_strncmp(buf, "STA ", 4) == 0) {
5579                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
5580                                               reply_size);
5581         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
5582                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
5583                                                    reply_size);
5584         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
5585                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
5586                         reply_len = -1;
5587         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
5588                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
5589                         reply_len = -1;
5590 #endif /* CONFIG_AP */
5591         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5592                 wpas_notify_suspend(wpa_s->global);
5593         } else if (os_strcmp(buf, "RESUME") == 0) {
5594                 wpas_notify_resume(wpa_s->global);
5595         } else if (os_strcmp(buf, "DROP_SA") == 0) {
5596                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
5597         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
5598                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
5599                         reply_len = -1;
5600         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
5601                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
5602                         reply_len = -1;
5603         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
5604                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
5605                         reply_len = -1;
5606         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
5607                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
5608                                                                buf + 17))
5609                         reply_len = -1;
5610         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
5611                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
5612                         reply_len = -1;
5613 #ifdef CONFIG_TDLS
5614         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
5615                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
5616                         reply_len = -1;
5617         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
5618                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
5619                         reply_len = -1;
5620         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
5621                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
5622                         reply_len = -1;
5623 #endif /* CONFIG_TDLS */
5624         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
5625                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
5626                                                        reply_size);
5627         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
5628                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
5629                                                        reply_size);
5630 #ifdef CONFIG_AUTOSCAN
5631         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
5632                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
5633                         reply_len = -1;
5634 #endif /* CONFIG_AUTOSCAN */
5635 #ifdef ANDROID
5636         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
5637                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
5638                                                       reply_size);
5639 #endif
5640         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
5641                 pmksa_cache_clear_current(wpa_s->wpa);
5642                 eapol_sm_request_reauth(wpa_s->eapol);
5643 #ifdef CONFIG_WNM
5644         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
5645                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
5646                         reply_len = -1;
5647         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 10) == 0) {
5648                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 10))
5649                                 reply_len = -1;
5650 #endif /* CONFIG_WNM */
5651         } else if (os_strcmp(buf, "FLUSH") == 0) {
5652                 wpa_supplicant_ctrl_iface_flush(wpa_s);
5653         } else {
5654                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5655                 reply_len = 16;
5656         }
5657
5658         if (reply_len < 0) {
5659                 os_memcpy(reply, "FAIL\n", 5);
5660                 reply_len = 5;
5661         }
5662
5663         if (ctrl_rsp)
5664                 eapol_sm_notify_ctrl_response(wpa_s->eapol);
5665
5666         *resp_len = reply_len;
5667         return reply;
5668 }
5669
5670
5671 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
5672                                            char *cmd)
5673 {
5674         struct wpa_interface iface;
5675         char *pos;
5676
5677         /*
5678          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
5679          * TAB<bridge_ifname>
5680          */
5681         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
5682
5683         os_memset(&iface, 0, sizeof(iface));
5684
5685         do {
5686                 iface.ifname = pos = cmd;
5687                 pos = os_strchr(pos, '\t');
5688                 if (pos)
5689                         *pos++ = '\0';
5690                 if (iface.ifname[0] == '\0')
5691                         return -1;
5692                 if (pos == NULL)
5693                         break;
5694
5695                 iface.confname = pos;
5696                 pos = os_strchr(pos, '\t');
5697                 if (pos)
5698                         *pos++ = '\0';
5699                 if (iface.confname[0] == '\0')
5700                         iface.confname = NULL;
5701                 if (pos == NULL)
5702                         break;
5703
5704                 iface.driver = pos;
5705                 pos = os_strchr(pos, '\t');
5706                 if (pos)
5707                         *pos++ = '\0';
5708                 if (iface.driver[0] == '\0')
5709                         iface.driver = NULL;
5710                 if (pos == NULL)
5711                         break;
5712
5713                 iface.ctrl_interface = pos;
5714                 pos = os_strchr(pos, '\t');
5715                 if (pos)
5716                         *pos++ = '\0';
5717                 if (iface.ctrl_interface[0] == '\0')
5718                         iface.ctrl_interface = NULL;
5719                 if (pos == NULL)
5720                         break;
5721
5722                 iface.driver_param = pos;
5723                 pos = os_strchr(pos, '\t');
5724                 if (pos)
5725                         *pos++ = '\0';
5726                 if (iface.driver_param[0] == '\0')
5727                         iface.driver_param = NULL;
5728                 if (pos == NULL)
5729                         break;
5730
5731                 iface.bridge_ifname = pos;
5732                 pos = os_strchr(pos, '\t');
5733                 if (pos)
5734                         *pos++ = '\0';
5735                 if (iface.bridge_ifname[0] == '\0')
5736                         iface.bridge_ifname = NULL;
5737                 if (pos == NULL)
5738                         break;
5739         } while (0);
5740
5741         if (wpa_supplicant_get_iface(global, iface.ifname))
5742                 return -1;
5743
5744         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
5745 }
5746
5747
5748 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
5749                                               char *cmd)
5750 {
5751         struct wpa_supplicant *wpa_s;
5752
5753         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
5754
5755         wpa_s = wpa_supplicant_get_iface(global, cmd);
5756         if (wpa_s == NULL)
5757                 return -1;
5758         return wpa_supplicant_remove_iface(global, wpa_s, 0);
5759 }
5760
5761
5762 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5763 {
5764         struct wpa_interface_info *prev;
5765
5766         while (iface) {
5767                 prev = iface;
5768                 iface = iface->next;
5769
5770                 os_free(prev->ifname);
5771                 os_free(prev->desc);
5772                 os_free(prev);
5773         }
5774 }
5775
5776
5777 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5778                                             char *buf, int len)
5779 {
5780         int i, res;
5781         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5782         char *pos, *end;
5783
5784         for (i = 0; wpa_drivers[i]; i++) {
5785                 struct wpa_driver_ops *drv = wpa_drivers[i];
5786                 if (drv->get_interfaces == NULL)
5787                         continue;
5788                 tmp = drv->get_interfaces(global->drv_priv[i]);
5789                 if (tmp == NULL)
5790                         continue;
5791
5792                 if (last == NULL)
5793                         iface = last = tmp;
5794                 else
5795                         last->next = tmp;
5796                 while (last->next)
5797                         last = last->next;
5798         }
5799
5800         pos = buf;
5801         end = buf + len;
5802         for (tmp = iface; tmp; tmp = tmp->next) {
5803                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5804                                   tmp->drv_name, tmp->ifname,
5805                                   tmp->desc ? tmp->desc : "");
5806                 if (res < 0 || res >= end - pos) {
5807                         *pos = '\0';
5808                         break;
5809                 }
5810                 pos += res;
5811         }
5812
5813         wpa_free_iface_info(iface);
5814
5815         return pos - buf;
5816 }
5817
5818
5819 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5820                                                   char *buf, int len)
5821 {
5822         int res;
5823         char *pos, *end;
5824         struct wpa_supplicant *wpa_s;
5825
5826         wpa_s = global->ifaces;
5827         pos = buf;
5828         end = buf + len;
5829
5830         while (wpa_s) {
5831                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5832                 if (res < 0 || res >= end - pos) {
5833                         *pos = '\0';
5834                         break;
5835                 }
5836                 pos += res;
5837                 wpa_s = wpa_s->next;
5838         }
5839         return pos - buf;
5840 }
5841
5842
5843 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
5844                                                 char *buf, size_t *resp_len)
5845 {
5846         char *reply;
5847         const int reply_size = 2048;
5848         int reply_len;
5849         int level = MSG_DEBUG;
5850
5851         if (os_strcmp(buf, "PING") == 0)
5852                 level = MSG_EXCESSIVE;
5853         wpa_hexdump_ascii(level, "RX global ctrl_iface",
5854                           (const u8 *) buf, os_strlen(buf));
5855
5856         reply = os_malloc(reply_size);
5857         if (reply == NULL) {
5858                 *resp_len = 1;
5859                 return NULL;
5860         }
5861
5862         os_memcpy(reply, "OK\n", 3);
5863         reply_len = 3;
5864
5865         if (os_strcmp(buf, "PING") == 0) {
5866                 os_memcpy(reply, "PONG\n", 5);
5867                 reply_len = 5;
5868         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
5869                 if (wpa_supplicant_global_iface_add(global, buf + 14))
5870                         reply_len = -1;
5871         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
5872                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
5873                         reply_len = -1;
5874         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5875                 reply_len = wpa_supplicant_global_iface_list(
5876                         global, reply, reply_size);
5877         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5878                 reply_len = wpa_supplicant_global_iface_interfaces(
5879                         global, reply, reply_size);
5880         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5881                 wpa_supplicant_terminate_proc(global);
5882         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5883                 wpas_notify_suspend(global);
5884         } else if (os_strcmp(buf, "RESUME") == 0) {
5885                 wpas_notify_resume(global);
5886         } else {
5887                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5888                 reply_len = 16;
5889         }
5890
5891         if (reply_len < 0) {
5892                 os_memcpy(reply, "FAIL\n", 5);
5893                 reply_len = 5;
5894         }
5895
5896         *resp_len = reply_len;
5897         return reply;
5898 }