wpa_supplicant/ctrl_iface.c

   1 /*
   2  * WPA Supplicant / Control interface (shared code for all backends)
   3  * Copyright (c) 2004-2014, 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 "utils/uuid.h"
  14 #include "common/version.h"
  15 #include "common/ieee802_11_defs.h"
  16 #include "common/ieee802_11_common.h"
  17 #include "common/wpa_ctrl.h"
  18 #include "eap_peer/eap.h"
  19 #include "eapol_supp/eapol_supp_sm.h"
  20 #include "rsn_supp/wpa.h"
  21 #include "rsn_supp/preauth.h"
  22 #include "rsn_supp/pmksa_cache.h"
  23 #include "l2_packet/l2_packet.h"
  24 #include "wps/wps.h"
  25 #include "config.h"
  26 #include "wpa_supplicant_i.h"
  27 #include "driver_i.h"
  28 #include "wps_supplicant.h"
  29 #include "ibss_rsn.h"
  30 #include "ap.h"
  31 #include "p2p_supplicant.h"
  32 #include "p2p/p2p.h"
  33 #include "hs20_supplicant.h"
  34 #include "wifi_display.h"
  35 #include "notify.h"
  36 #include "bss.h"
  37 #include "scan.h"
  38 #include "ctrl_iface.h"
  39 #include "interworking.h"
  40 #include "blacklist.h"
  41 #include "autoscan.h"
  42 #include "wnm_sta.h"
  43
  44 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
  45                                             char *buf, int len);
  46 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
  47                                                   char *buf, int len);
  48
  49
  50 static int pno_start(struct wpa_supplicant *wpa_s)
  51 {
  52         int ret, interval;
  53         size_t i, num_ssid;
  54         struct wpa_ssid *ssid;
  55         struct wpa_driver_scan_params params;
  56
  57         if (wpa_s->pno || wpa_s->pno_sched_pending)
  58                 return 0;
  59
  60         if ((wpa_s->wpa_state > WPA_SCANNING) &&
  61             (wpa_s->wpa_state <= WPA_COMPLETED)) {
  62                 wpa_printf(MSG_ERROR, "PNO: In assoc process");
  63                 return -EAGAIN;
  64         }
  65
  66         if (wpa_s->wpa_state == WPA_SCANNING) {
  67                 wpa_supplicant_cancel_scan(wpa_s);
  68                 if (wpa_s->sched_scanning) {
  69                         wpa_printf(MSG_DEBUG, "Schedule PNO on completion of "
  70                                    "ongoing sched scan");
  71                         wpa_supplicant_cancel_sched_scan(wpa_s);
  72                         wpa_s->pno_sched_pending = 1;
  73                         return 0;
  74                 }
  75         }
  76
  77         os_memset(&params, 0, sizeof(params));
  78
  79         num_ssid = 0;
  80         ssid = wpa_s->conf->ssid;
  81         while (ssid) {
  82                 if (!wpas_network_disabled(wpa_s, ssid))
  83                         num_ssid++;
  84                 ssid = ssid->next;
  85         }
  86         if (num_ssid > WPAS_MAX_SCAN_SSIDS) {
  87                 wpa_printf(MSG_DEBUG, "PNO: Use only the first %u SSIDs from "
  88                            "%u", WPAS_MAX_SCAN_SSIDS, (unsigned int) num_ssid);
  89                 num_ssid = WPAS_MAX_SCAN_SSIDS;
  90         }
  91
  92         if (num_ssid == 0) {
  93                 wpa_printf(MSG_DEBUG, "PNO: No configured SSIDs");
  94                 return -1;
  95         }
  96
  97         params.filter_ssids = os_malloc(sizeof(struct wpa_driver_scan_filter) *
  98                                         num_ssid);
  99         if (params.filter_ssids == NULL)
 100                 return -1;
 101         i = 0;
 102         ssid = wpa_s->conf->ssid;
 103         while (ssid) {
 104                 if (!wpas_network_disabled(wpa_s, ssid)) {
 105                         params.ssids[i].ssid = ssid->ssid;
 106                         params.ssids[i].ssid_len = ssid->ssid_len;
 107                         params.num_ssids++;
 108                         os_memcpy(params.filter_ssids[i].ssid, ssid->ssid,
 109                                   ssid->ssid_len);
 110                         params.filter_ssids[i].ssid_len = ssid->ssid_len;
 111                         params.num_filter_ssids++;
 112                         i++;
 113                         if (i == num_ssid)
 114                                 break;
 115                 }
 116                 ssid = ssid->next;
 117         }
 118
 119         if (wpa_s->conf->filter_rssi)
 120                 params.filter_rssi = wpa_s->conf->filter_rssi;
 121
 122         interval = wpa_s->conf->sched_scan_interval ?
 123                 wpa_s->conf->sched_scan_interval : 10;
 124
 125         ret = wpa_supplicant_start_sched_scan(wpa_s, &params, interval);
 126         os_free(params.filter_ssids);
 127         if (ret == 0)
 128                 wpa_s->pno = 1;
 129         return ret;
 130 }
 131
 132
 133 static int pno_stop(struct wpa_supplicant *wpa_s)
 134 {
 135         int ret = 0;
 136
 137         if (wpa_s->pno || wpa_s->sched_scanning) {
 138                 wpa_s->pno = 0;
 139                 ret = wpa_supplicant_stop_sched_scan(wpa_s);
 140         }
 141
 142         wpa_s->pno_sched_pending = 0;
 143
 144         if (wpa_s->wpa_state == WPA_SCANNING)
 145                 wpa_supplicant_req_scan(wpa_s, 0, 0);
 146
 147         return ret;
 148 }
 149
 150
 151 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
 152 {
 153         char *pos;
 154         u8 addr[ETH_ALEN], *filter = NULL, *n;
 155         size_t count = 0;
 156
 157         pos = val;
 158         while (pos) {
 159                 if (*pos == '\0')
 160                         break;
 161                 if (hwaddr_aton(pos, addr)) {
 162                         os_free(filter);
 163                         return -1;
 164                 }
 165                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
 166                 if (n == NULL) {
 167                         os_free(filter);
 168                         return -1;
 169                 }
 170                 filter = n;
 171                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
 172                 count++;
 173
 174                 pos = os_strchr(pos, ' ');
 175                 if (pos)
 176                         pos++;
 177         }
 178
 179         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
 180         os_free(wpa_s->bssid_filter);
 181         wpa_s->bssid_filter = filter;
 182         wpa_s->bssid_filter_count = count;
 183
 184         return 0;
 185 }
 186
 187
 188 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
 189 {
 190         char *pos;
 191         u8 addr[ETH_ALEN], *bssid = NULL, *n;
 192         struct wpa_ssid_value *ssid = NULL, *ns;
 193         size_t count = 0, ssid_count = 0;
 194         struct wpa_ssid *c;
 195
 196         /*
 197          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
 198          * SSID_SPEC ::= ssid <SSID_HEX>
 199          * BSSID_SPEC ::= bssid <BSSID_HEX>
 200          */
 201
 202         pos = val;
 203         while (pos) {
 204                 if (*pos == '\0')
 205                         break;
 206                 if (os_strncmp(pos, "bssid ", 6) == 0) {
 207                         int res;
 208                         pos += 6;
 209                         res = hwaddr_aton2(pos, addr);
 210                         if (res < 0) {
 211                                 os_free(ssid);
 212                                 os_free(bssid);
 213                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 214                                            "BSSID value '%s'", pos);
 215                                 return -1;
 216                         }
 217                         pos += res;
 218                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
 219                         if (n == NULL) {
 220                                 os_free(ssid);
 221                                 os_free(bssid);
 222                                 return -1;
 223                         }
 224                         bssid = n;
 225                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
 226                         count++;
 227                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
 228                         char *end;
 229                         pos += 5;
 230
 231                         end = pos;
 232                         while (*end) {
 233                                 if (*end == '\0' || *end == ' ')
 234                                         break;
 235                                 end++;
 236                         }
 237
 238                         ns = os_realloc_array(ssid, ssid_count + 1,
 239                                               sizeof(struct wpa_ssid_value));
 240                         if (ns == NULL) {
 241                                 os_free(ssid);
 242                                 os_free(bssid);
 243                                 return -1;
 244                         }
 245                         ssid = ns;
 246
 247                         if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
 248                             hexstr2bin(pos, ssid[ssid_count].ssid,
 249                                        (end - pos) / 2) < 0) {
 250                                 os_free(ssid);
 251                                 os_free(bssid);
 252                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 253                                            "SSID value '%s'", pos);
 254                                 return -1;
 255                         }
 256                         ssid[ssid_count].ssid_len = (end - pos) / 2;
 257                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
 258                                           ssid[ssid_count].ssid,
 259                                           ssid[ssid_count].ssid_len);
 260                         ssid_count++;
 261                         pos = end;
 262                 } else {
 263                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
 264                                    "'%s'", pos);
 265                         os_free(ssid);
 266                         os_free(bssid);
 267                         return -1;
 268                 }
 269
 270                 pos = os_strchr(pos, ' ');
 271                 if (pos)
 272                         pos++;
 273         }
 274
 275         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
 276         os_free(wpa_s->disallow_aps_bssid);
 277         wpa_s->disallow_aps_bssid = bssid;
 278         wpa_s->disallow_aps_bssid_count = count;
 279
 280         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
 281         os_free(wpa_s->disallow_aps_ssid);
 282         wpa_s->disallow_aps_ssid = ssid;
 283         wpa_s->disallow_aps_ssid_count = ssid_count;
 284
 285         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
 286                 return 0;
 287
 288         c = wpa_s->current_ssid;
 289         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
 290                 return 0;
 291
 292         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
 293             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
 294                 return 0;
 295
 296         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
 297                    "because current AP was marked disallowed");
 298
 299 #ifdef CONFIG_SME
 300         wpa_s->sme.prev_bssid_set = 0;
 301 #endif /* CONFIG_SME */
 302         wpa_s->reassociate = 1;
 303         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
 304         wpa_supplicant_req_scan(wpa_s, 0, 0);
 305
 306         return 0;
 307 }
 308
 309
 310 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
 311                                          char *cmd)
 312 {
 313         char *value;
 314         int ret = 0;
 315
 316         value = os_strchr(cmd, ' ');
 317         if (value == NULL)
 318                 return -1;
 319         *value++ = '\0';
 320
 321         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
 322         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
 323                 eapol_sm_configure(wpa_s->eapol,
 324                                    atoi(value), -1, -1, -1);
 325         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
 326                 eapol_sm_configure(wpa_s->eapol,
 327                                    -1, atoi(value), -1, -1);
 328         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
 329                 eapol_sm_configure(wpa_s->eapol,
 330                                    -1, -1, atoi(value), -1);
 331         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
 332                 eapol_sm_configure(wpa_s->eapol,
 333                                    -1, -1, -1, atoi(value));
 334         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
 335                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
 336                                      atoi(value)))
 337                         ret = -1;
 338         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
 339                    0) {
 340                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
 341                                      atoi(value)))
 342                         ret = -1;
 343         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
 344                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
 345                         ret = -1;
 346         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
 347                 wpa_s->wps_fragment_size = atoi(value);
 348 #ifdef CONFIG_WPS_TESTING
 349         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
 350                 long int val;
 351                 val = strtol(value, NULL, 0);
 352                 if (val < 0 || val > 0xff) {
 353                         ret = -1;
 354                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
 355                                    "wps_version_number %ld", val);
 356                 } else {
 357                         wps_version_number = val;
 358                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
 359                                    "version %u.%u",
 360                                    (wps_version_number & 0xf0) >> 4,
 361                                    wps_version_number & 0x0f);
 362                 }
 363         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
 364                 wps_testing_dummy_cred = atoi(value);
 365                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
 366                            wps_testing_dummy_cred);
 367         } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
 368                 wps_corrupt_pkhash = atoi(value);
 369                 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
 370                            wps_corrupt_pkhash);
 371 #endif /* CONFIG_WPS_TESTING */
 372         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
 373                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
 374                         ret = -1;
 375 #ifdef CONFIG_TDLS
 376 #ifdef CONFIG_TDLS_TESTING
 377         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
 378                 extern unsigned int tdls_testing;
 379                 tdls_testing = strtol(value, NULL, 0);
 380                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
 381 #endif /* CONFIG_TDLS_TESTING */
 382         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
 383                 int disabled = atoi(value);
 384                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
 385                 if (disabled) {
 386                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
 387                                 ret = -1;
 388                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
 389                         ret = -1;
 390                 wpa_tdls_enable(wpa_s->wpa, !disabled);
 391 #endif /* CONFIG_TDLS */
 392         } else if (os_strcasecmp(cmd, "pno") == 0) {
 393                 if (atoi(value))
 394                         ret = pno_start(wpa_s);
 395                 else
 396                         ret = pno_stop(wpa_s);
 397         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
 398                 int disabled = atoi(value);
 399                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
 400                         ret = -1;
 401                 else if (disabled)
 402                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
 403         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
 404                 if (os_strcmp(value, "disable") == 0)
 405                         wpa_s->set_sta_uapsd = 0;
 406                 else {
 407                         int be, bk, vi, vo;
 408                         char *pos;
 409                         /* format: BE,BK,VI,VO;max SP Length */
 410                         be = atoi(value);
 411                         pos = os_strchr(value, ',');
 412                         if (pos == NULL)
 413                                 return -1;
 414                         pos++;
 415                         bk = atoi(pos);
 416                         pos = os_strchr(pos, ',');
 417                         if (pos == NULL)
 418                                 return -1;
 419                         pos++;
 420                         vi = atoi(pos);
 421                         pos = os_strchr(pos, ',');
 422                         if (pos == NULL)
 423                                 return -1;
 424                         pos++;
 425                         vo = atoi(pos);
 426                         /* ignore max SP Length for now */
 427
 428                         wpa_s->set_sta_uapsd = 1;
 429                         wpa_s->sta_uapsd = 0;
 430                         if (be)
 431                                 wpa_s->sta_uapsd |= BIT(0);
 432                         if (bk)
 433                                 wpa_s->sta_uapsd |= BIT(1);
 434                         if (vi)
 435                                 wpa_s->sta_uapsd |= BIT(2);
 436                         if (vo)
 437                                 wpa_s->sta_uapsd |= BIT(3);
 438                 }
 439         } else if (os_strcasecmp(cmd, "ps") == 0) {
 440                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
 441 #ifdef CONFIG_WIFI_DISPLAY
 442         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 443                 int enabled = !!atoi(value);
 444                 if (enabled && !wpa_s->global->p2p)
 445                         ret = -1;
 446                 else
 447                         wifi_display_enable(wpa_s->global, enabled);
 448 #endif /* CONFIG_WIFI_DISPLAY */
 449         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
 450                 ret = set_bssid_filter(wpa_s, value);
 451         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
 452                 ret = set_disallow_aps(wpa_s, value);
 453         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
 454                 wpa_s->no_keep_alive = !!atoi(value);
 455         } else {
 456                 value[-1] = '=';
 457                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
 458                 if (ret == 0)
 459                         wpa_supplicant_update_config(wpa_s);
 460         }
 461
 462         return ret;
 463 }
 464
 465
 466 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
 467                                          char *cmd, char *buf, size_t buflen)
 468 {
 469         int res = -1;
 470
 471         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
 472
 473         if (os_strcmp(cmd, "version") == 0) {
 474                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
 475         } else if (os_strcasecmp(cmd, "country") == 0) {
 476                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
 477                         res = os_snprintf(buf, buflen, "%c%c",
 478                                           wpa_s->conf->country[0],
 479                                           wpa_s->conf->country[1]);
 480 #ifdef CONFIG_WIFI_DISPLAY
 481         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 482                 int enabled;
 483                 if (wpa_s->global->p2p == NULL ||
 484                     wpa_s->global->p2p_disabled)
 485                         enabled = 0;
 486                 else
 487                         enabled = wpa_s->global->wifi_display;
 488                 res = os_snprintf(buf, buflen, "%d", enabled);
 489                 if (res < 0 || (unsigned int) res >= buflen)
 490                         return -1;
 491                 return res;
 492 #endif /* CONFIG_WIFI_DISPLAY */
 493 #ifdef CONFIG_TESTING_GET_GTK
 494         } else if (os_strcmp(cmd, "gtk") == 0) {
 495                 if (wpa_s->last_gtk_len == 0)
 496                         return -1;
 497                 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
 498                                        wpa_s->last_gtk_len);
 499                 return res;
 500 #endif /* CONFIG_TESTING_GET_GTK */
 501         }
 502
 503         if (res < 0 || (unsigned int) res >= buflen)
 504                 return -1;
 505         return res;
 506 }
 507
 508
 509 #ifdef IEEE8021X_EAPOL
 510 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
 511                                              char *addr)
 512 {
 513         u8 bssid[ETH_ALEN];
 514         struct wpa_ssid *ssid = wpa_s->current_ssid;
 515
 516         if (hwaddr_aton(addr, bssid)) {
 517                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
 518                            "'%s'", addr);
 519                 return -1;
 520         }
 521
 522         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
 523         rsn_preauth_deinit(wpa_s->wpa);
 524         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
 525                 return -1;
 526
 527         return 0;
 528 }
 529 #endif /* IEEE8021X_EAPOL */
 530
 531
 532 #ifdef CONFIG_PEERKEY
 533 /* MLME-STKSTART.request(peer) */
 534 static int wpa_supplicant_ctrl_iface_stkstart(
 535         struct wpa_supplicant *wpa_s, char *addr)
 536 {
 537         u8 peer[ETH_ALEN];
 538
 539         if (hwaddr_aton(addr, peer)) {
 540                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
 541                            "address '%s'", addr);
 542                 return -1;
 543         }
 544
 545         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
 546                    MAC2STR(peer));
 547
 548         return wpa_sm_stkstart(wpa_s->wpa, peer);
 549 }
 550 #endif /* CONFIG_PEERKEY */
 551
 552
 553 #ifdef CONFIG_TDLS
 554
 555 static int wpa_supplicant_ctrl_iface_tdls_discover(
 556         struct wpa_supplicant *wpa_s, char *addr)
 557 {
 558         u8 peer[ETH_ALEN];
 559         int ret;
 560
 561         if (hwaddr_aton(addr, peer)) {
 562                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
 563                            "address '%s'", addr);
 564                 return -1;
 565         }
 566
 567         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
 568                    MAC2STR(peer));
 569
 570         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 571                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
 572         else
 573                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
 574
 575         return ret;
 576 }
 577
 578
 579 static int wpa_supplicant_ctrl_iface_tdls_setup(
 580         struct wpa_supplicant *wpa_s, char *addr)
 581 {
 582         u8 peer[ETH_ALEN];
 583         int ret;
 584
 585         if (hwaddr_aton(addr, peer)) {
 586                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
 587                            "address '%s'", addr);
 588                 return -1;
 589         }
 590
 591         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
 592                    MAC2STR(peer));
 593
 594         if ((wpa_s->conf->tdls_external_control) &&
 595             wpa_tdls_is_external_setup(wpa_s->wpa))
 596                 return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 597
 598         wpa_tdls_remove(wpa_s->wpa, peer);
 599
 600         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 601                 ret = wpa_tdls_start(wpa_s->wpa, peer);
 602         else
 603                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 604
 605         return ret;
 606 }
 607
 608
 609 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 610         struct wpa_supplicant *wpa_s, char *addr)
 611 {
 612         u8 peer[ETH_ALEN];
 613         int ret;
 614
 615         if (hwaddr_aton(addr, peer)) {
 616                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 617                            "address '%s'", addr);
 618                 return -1;
 619         }
 620
 621         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 622                    MAC2STR(peer));
 623
 624         if ((wpa_s->conf->tdls_external_control) &&
 625             wpa_tdls_is_external_setup(wpa_s->wpa))
 626                 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 627
 628         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 629                 ret = wpa_tdls_teardown_link(
 630                         wpa_s->wpa, peer,
 631                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 632         else
 633                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 634
 635         return ret;
 636 }
 637
 638 #endif /* CONFIG_TDLS */
 639
 640
 641 #ifdef CONFIG_IEEE80211R
 642 static int wpa_supplicant_ctrl_iface_ft_ds(
 643         struct wpa_supplicant *wpa_s, char *addr)
 644 {
 645         u8 target_ap[ETH_ALEN];
 646         struct wpa_bss *bss;
 647         const u8 *mdie;
 648
 649         if (hwaddr_aton(addr, target_ap)) {
 650                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 651                            "address '%s'", addr);
 652                 return -1;
 653         }
 654
 655         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 656
 657         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 658         if (bss)
 659                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 660         else
 661                 mdie = NULL;
 662
 663         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 664 }
 665 #endif /* CONFIG_IEEE80211R */
 666
 667
 668 #ifdef CONFIG_WPS
 669 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 670                                              char *cmd)
 671 {
 672         u8 bssid[ETH_ALEN], *_bssid = bssid;
 673 #ifdef CONFIG_P2P
 674         u8 p2p_dev_addr[ETH_ALEN];
 675 #endif /* CONFIG_P2P */
 676 #ifdef CONFIG_AP
 677         u8 *_p2p_dev_addr = NULL;
 678 #endif /* CONFIG_AP */
 679
 680         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 681                 _bssid = NULL;
 682 #ifdef CONFIG_P2P
 683         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 684                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 685                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 686                                    "P2P Device Address '%s'",
 687                                    cmd + 13);
 688                         return -1;
 689                 }
 690                 _p2p_dev_addr = p2p_dev_addr;
 691 #endif /* CONFIG_P2P */
 692         } else if (hwaddr_aton(cmd, bssid)) {
 693                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 694                            cmd);
 695                 return -1;
 696         }
 697
 698 #ifdef CONFIG_AP
 699         if (wpa_s->ap_iface)
 700                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 701 #endif /* CONFIG_AP */
 702
 703         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 704 }
 705
 706
 707 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 708                                              char *cmd, char *buf,
 709                                              size_t buflen)
 710 {
 711         u8 bssid[ETH_ALEN], *_bssid = bssid;
 712         char *pin;
 713         int ret;
 714
 715         pin = os_strchr(cmd, ' ');
 716         if (pin)
 717                 *pin++ = '\0';
 718
 719         if (os_strcmp(cmd, "any") == 0)
 720                 _bssid = NULL;
 721         else if (os_strcmp(cmd, "get") == 0) {
 722                 ret = wps_generate_pin();
 723                 goto done;
 724         } else if (hwaddr_aton(cmd, bssid)) {
 725                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 726                            cmd);
 727                 return -1;
 728         }
 729
 730 #ifdef CONFIG_AP
 731         if (wpa_s->ap_iface) {
 732                 int timeout = 0;
 733                 char *pos;
 734
 735                 if (pin) {
 736                         pos = os_strchr(pin, ' ');
 737                         if (pos) {
 738                                 *pos++ = '\0';
 739                                 timeout = atoi(pos);
 740                         }
 741                 }
 742
 743                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 744                                                  buf, buflen, timeout);
 745         }
 746 #endif /* CONFIG_AP */
 747
 748         if (pin) {
 749                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 750                                          DEV_PW_DEFAULT);
 751                 if (ret < 0)
 752                         return -1;
 753                 ret = os_snprintf(buf, buflen, "%s", pin);
 754                 if (ret < 0 || (size_t) ret >= buflen)
 755                         return -1;
 756                 return ret;
 757         }
 758
 759         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 760         if (ret < 0)
 761                 return -1;
 762
 763 done:
 764         /* Return the generated PIN */
 765         ret = os_snprintf(buf, buflen, "%08d", ret);
 766         if (ret < 0 || (size_t) ret >= buflen)
 767                 return -1;
 768         return ret;
 769 }
 770
 771
 772 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 773         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 774 {
 775         char pin[9];
 776         size_t len;
 777         char *pos;
 778         int ret;
 779
 780         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
 781                               (u8 *) cmd, os_strlen(cmd));
 782         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
 783                 if (*pos < '0' || *pos > '9')
 784                         continue;
 785                 pin[len++] = *pos;
 786                 if (len == 9) {
 787                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
 788                         return -1;
 789                 }
 790         }
 791         if (len != 4 && len != 8) {
 792                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
 793                 return -1;
 794         }
 795         pin[len] = '\0';
 796
 797         if (len == 8) {
 798                 unsigned int pin_val;
 799                 pin_val = atoi(pin);
 800                 if (!wps_pin_valid(pin_val)) {
 801                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
 802                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
 803                         if (ret < 0 || (size_t) ret >= buflen)
 804                                 return -1;
 805                         return ret;
 806                 }
 807         }
 808
 809         ret = os_snprintf(buf, buflen, "%s", pin);
 810         if (ret < 0 || (size_t) ret >= buflen)
 811                 return -1;
 812
 813         return ret;
 814 }
 815
 816
 817 #ifdef CONFIG_WPS_NFC
 818
 819 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
 820                                              char *cmd)
 821 {
 822         u8 bssid[ETH_ALEN], *_bssid = bssid;
 823
 824         if (cmd == NULL || cmd[0] == '\0')
 825                 _bssid = NULL;
 826         else if (hwaddr_aton(cmd, bssid))
 827                 return -1;
 828
 829         return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
 830                                   0, 0);
 831 }
 832
 833
 834 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
 835         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 836 {
 837         int ndef;
 838         struct wpabuf *buf;
 839         int res;
 840         char *pos;
 841
 842         pos = os_strchr(cmd, ' ');
 843         if (pos)
 844                 *pos++ = '\0';
 845         if (os_strcmp(cmd, "WPS") == 0)
 846                 ndef = 0;
 847         else if (os_strcmp(cmd, "NDEF") == 0)
 848                 ndef = 1;
 849         else
 850                 return -1;
 851
 852         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
 853         if (buf == NULL)
 854                 return -1;
 855
 856         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 857                                          wpabuf_len(buf));
 858         reply[res++] = '\n';
 859         reply[res] = '\0';
 860
 861         wpabuf_free(buf);
 862
 863         return res;
 864 }
 865
 866
 867 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
 868         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 869 {
 870         int ndef;
 871         struct wpabuf *buf;
 872         int res;
 873
 874         if (os_strcmp(cmd, "WPS") == 0)
 875                 ndef = 0;
 876         else if (os_strcmp(cmd, "NDEF") == 0)
 877                 ndef = 1;
 878         else
 879                 return -1;
 880
 881         buf = wpas_wps_nfc_token(wpa_s, ndef);
 882         if (buf == NULL)
 883                 return -1;
 884
 885         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 886                                          wpabuf_len(buf));
 887         reply[res++] = '\n';
 888         reply[res] = '\0';
 889
 890         wpabuf_free(buf);
 891
 892         return res;
 893 }
 894
 895
 896 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
 897         struct wpa_supplicant *wpa_s, char *pos)
 898 {
 899         size_t len;
 900         struct wpabuf *buf;
 901         int ret;
 902         char *freq;
 903         int forced_freq = 0;
 904
 905         freq = strstr(pos, " freq=");
 906         if (freq) {
 907                 *freq = '\0';
 908                 freq += 6;
 909                 forced_freq = atoi(freq);
 910         }
 911
 912         len = os_strlen(pos);
 913         if (len & 0x01)
 914                 return -1;
 915         len /= 2;
 916
 917         buf = wpabuf_alloc(len);
 918         if (buf == NULL)
 919                 return -1;
 920         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
 921                 wpabuf_free(buf);
 922                 return -1;
 923         }
 924
 925         ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
 926         wpabuf_free(buf);
 927
 928         return ret;
 929 }
 930
 931
 932 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
 933                                               char *reply, size_t max_len,
 934                                               int ndef)
 935 {
 936         struct wpabuf *buf;
 937         int res;
 938
 939         buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
 940         if (buf == NULL)
 941                 return -1;
 942
 943         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 944                                          wpabuf_len(buf));
 945         reply[res++] = '\n';
 946         reply[res] = '\0';
 947
 948         wpabuf_free(buf);
 949
 950         return res;
 951 }
 952
 953
 954 #ifdef CONFIG_P2P
 955 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
 956                                               char *reply, size_t max_len,
 957                                               int ndef)
 958 {
 959         struct wpabuf *buf;
 960         int res;
 961
 962         buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
 963         if (buf == NULL) {
 964                 wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
 965                 return -1;
 966         }
 967
 968         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 969                                          wpabuf_len(buf));
 970         reply[res++] = '\n';
 971         reply[res] = '\0';
 972
 973         wpabuf_free(buf);
 974
 975         return res;
 976 }
 977 #endif /* CONFIG_P2P */
 978
 979
 980 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
 981                                           char *cmd, char *reply,
 982                                           size_t max_len)
 983 {
 984         char *pos;
 985         int ndef;
 986
 987         pos = os_strchr(cmd, ' ');
 988         if (pos == NULL)
 989                 return -1;
 990         *pos++ = '\0';
 991
 992         if (os_strcmp(cmd, "WPS") == 0)
 993                 ndef = 0;
 994         else if (os_strcmp(cmd, "NDEF") == 0)
 995                 ndef = 1;
 996         else
 997                 return -1;
 998
 999         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1000                 if (!ndef)
1001                         return -1;
1002                 return wpas_ctrl_nfc_get_handover_req_wps(
1003                         wpa_s, reply, max_len, ndef);
1004         }
1005
1006 #ifdef CONFIG_P2P
1007         if (os_strcmp(pos, "P2P-CR") == 0) {
1008                 return wpas_ctrl_nfc_get_handover_req_p2p(
1009                         wpa_s, reply, max_len, ndef);
1010         }
1011 #endif /* CONFIG_P2P */
1012
1013         return -1;
1014 }
1015
1016
1017 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1018                                               char *reply, size_t max_len,
1019                                               int ndef, int cr, char *uuid)
1020 {
1021         struct wpabuf *buf;
1022         int res;
1023
1024         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1025         if (buf == NULL)
1026                 return -1;
1027
1028         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1029                                          wpabuf_len(buf));
1030         reply[res++] = '\n';
1031         reply[res] = '\0';
1032
1033         wpabuf_free(buf);
1034
1035         return res;
1036 }
1037
1038
1039 #ifdef CONFIG_P2P
1040 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1041                                               char *reply, size_t max_len,
1042                                               int ndef, int tag)
1043 {
1044         struct wpabuf *buf;
1045         int res;
1046
1047         buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1048         if (buf == NULL)
1049                 return -1;
1050
1051         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1052                                          wpabuf_len(buf));
1053         reply[res++] = '\n';
1054         reply[res] = '\0';
1055
1056         wpabuf_free(buf);
1057
1058         return res;
1059 }
1060 #endif /* CONFIG_P2P */
1061
1062
1063 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1064                                           char *cmd, char *reply,
1065                                           size_t max_len)
1066 {
1067         char *pos, *pos2;
1068         int ndef;
1069
1070         pos = os_strchr(cmd, ' ');
1071         if (pos == NULL)
1072                 return -1;
1073         *pos++ = '\0';
1074
1075         if (os_strcmp(cmd, "WPS") == 0)
1076                 ndef = 0;
1077         else if (os_strcmp(cmd, "NDEF") == 0)
1078                 ndef = 1;
1079         else
1080                 return -1;
1081
1082         pos2 = os_strchr(pos, ' ');
1083         if (pos2)
1084                 *pos2++ = '\0';
1085         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1086                 if (!ndef)
1087                         return -1;
1088                 return wpas_ctrl_nfc_get_handover_sel_wps(
1089                         wpa_s, reply, max_len, ndef,
1090                         os_strcmp(pos, "WPS-CR") == 0, pos2);
1091         }
1092
1093 #ifdef CONFIG_P2P
1094         if (os_strcmp(pos, "P2P-CR") == 0) {
1095                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1096                         wpa_s, reply, max_len, ndef, 0);
1097         }
1098
1099         if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1100                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1101                         wpa_s, reply, max_len, ndef, 1);
1102         }
1103 #endif /* CONFIG_P2P */
1104
1105         return -1;
1106 }
1107
1108
1109 static int wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
1110                                          char *cmd)
1111 {
1112         size_t len;
1113         struct wpabuf *buf;
1114         int ret;
1115
1116         len = os_strlen(cmd);
1117         if (len & 0x01)
1118                 return -1;
1119         len /= 2;
1120
1121         buf = wpabuf_alloc(len);
1122         if (buf == NULL)
1123                 return -1;
1124         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
1125                 wpabuf_free(buf);
1126                 return -1;
1127         }
1128
1129         ret = wpas_wps_nfc_rx_handover_sel(wpa_s, buf);
1130         wpabuf_free(buf);
1131
1132         return ret;
1133 }
1134
1135
1136 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1137                                          char *cmd)
1138 {
1139         size_t len;
1140         struct wpabuf *req, *sel;
1141         int ret;
1142         char *pos, *role, *type, *pos2;
1143 #ifdef CONFIG_P2P
1144         char *freq;
1145         int forced_freq = 0;
1146
1147         freq = strstr(cmd, " freq=");
1148         if (freq) {
1149                 *freq = '\0';
1150                 freq += 6;
1151                 forced_freq = atoi(freq);
1152         }
1153 #endif /* CONFIG_P2P */
1154
1155         role = cmd;
1156         pos = os_strchr(role, ' ');
1157         if (pos == NULL) {
1158                 wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1159                 return -1;
1160         }
1161         *pos++ = '\0';
1162
1163         type = pos;
1164         pos = os_strchr(type, ' ');
1165         if (pos == NULL) {
1166                 wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1167                 return -1;
1168         }
1169         *pos++ = '\0';
1170
1171         pos2 = os_strchr(pos, ' ');
1172         if (pos2 == NULL) {
1173                 wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1174                 return -1;
1175         }
1176         *pos2++ = '\0';
1177
1178         len = os_strlen(pos);
1179         if (len & 0x01) {
1180                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1181                 return -1;
1182         }
1183         len /= 2;
1184
1185         req = wpabuf_alloc(len);
1186         if (req == NULL) {
1187                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1188                 return -1;
1189         }
1190         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1191                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1192                 wpabuf_free(req);
1193                 return -1;
1194         }
1195
1196         len = os_strlen(pos2);
1197         if (len & 0x01) {
1198                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1199                 wpabuf_free(req);
1200                 return -1;
1201         }
1202         len /= 2;
1203
1204         sel = wpabuf_alloc(len);
1205         if (sel == NULL) {
1206                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1207                 wpabuf_free(req);
1208                 return -1;
1209         }
1210         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1211                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1212                 wpabuf_free(req);
1213                 wpabuf_free(sel);
1214                 return -1;
1215         }
1216
1217         wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1218                    role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1219
1220         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1221                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1222 #ifdef CONFIG_AP
1223         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1224         {
1225                 ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1226                 if (ret < 0)
1227                         ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1228 #endif /* CONFIG_AP */
1229 #ifdef CONFIG_P2P
1230         } else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1231         {
1232                 ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1233         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1234         {
1235                 ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1236                                                    forced_freq);
1237 #endif /* CONFIG_P2P */
1238         } else {
1239                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1240                            "reported: role=%s type=%s", role, type);
1241                 ret = -1;
1242         }
1243         wpabuf_free(req);
1244         wpabuf_free(sel);
1245
1246         if (ret)
1247                 wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1248
1249         return ret;
1250 }
1251
1252 #endif /* CONFIG_WPS_NFC */
1253
1254
1255 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1256                                              char *cmd)
1257 {
1258         u8 bssid[ETH_ALEN];
1259         char *pin;
1260         char *new_ssid;
1261         char *new_auth;
1262         char *new_encr;
1263         char *new_key;
1264         struct wps_new_ap_settings ap;
1265
1266         pin = os_strchr(cmd, ' ');
1267         if (pin == NULL)
1268                 return -1;
1269         *pin++ = '\0';
1270
1271         if (hwaddr_aton(cmd, bssid)) {
1272                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1273                            cmd);
1274                 return -1;
1275         }
1276
1277         new_ssid = os_strchr(pin, ' ');
1278         if (new_ssid == NULL)
1279                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1280         *new_ssid++ = '\0';
1281
1282         new_auth = os_strchr(new_ssid, ' ');
1283         if (new_auth == NULL)
1284                 return -1;
1285         *new_auth++ = '\0';
1286
1287         new_encr = os_strchr(new_auth, ' ');
1288         if (new_encr == NULL)
1289                 return -1;
1290         *new_encr++ = '\0';
1291
1292         new_key = os_strchr(new_encr, ' ');
1293         if (new_key == NULL)
1294                 return -1;
1295         *new_key++ = '\0';
1296
1297         os_memset(&ap, 0, sizeof(ap));
1298         ap.ssid_hex = new_ssid;
1299         ap.auth = new_auth;
1300         ap.encr = new_encr;
1301         ap.key_hex = new_key;
1302         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1303 }
1304
1305
1306 #ifdef CONFIG_AP
1307 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1308                                                 char *cmd, char *buf,
1309                                                 size_t buflen)
1310 {
1311         int timeout = 300;
1312         char *pos;
1313         const char *pin_txt;
1314
1315         if (!wpa_s->ap_iface)
1316                 return -1;
1317
1318         pos = os_strchr(cmd, ' ');
1319         if (pos)
1320                 *pos++ = '\0';
1321
1322         if (os_strcmp(cmd, "disable") == 0) {
1323                 wpas_wps_ap_pin_disable(wpa_s);
1324                 return os_snprintf(buf, buflen, "OK\n");
1325         }
1326
1327         if (os_strcmp(cmd, "random") == 0) {
1328                 if (pos)
1329                         timeout = atoi(pos);
1330                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1331                 if (pin_txt == NULL)
1332                         return -1;
1333                 return os_snprintf(buf, buflen, "%s", pin_txt);
1334         }
1335
1336         if (os_strcmp(cmd, "get") == 0) {
1337                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1338                 if (pin_txt == NULL)
1339                         return -1;
1340                 return os_snprintf(buf, buflen, "%s", pin_txt);
1341         }
1342
1343         if (os_strcmp(cmd, "set") == 0) {
1344                 char *pin;
1345                 if (pos == NULL)
1346                         return -1;
1347                 pin = pos;
1348                 pos = os_strchr(pos, ' ');
1349                 if (pos) {
1350                         *pos++ = '\0';
1351                         timeout = atoi(pos);
1352                 }
1353                 if (os_strlen(pin) > buflen)
1354                         return -1;
1355                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1356                         return -1;
1357                 return os_snprintf(buf, buflen, "%s", pin);
1358         }
1359
1360         return -1;
1361 }
1362 #endif /* CONFIG_AP */
1363
1364
1365 #ifdef CONFIG_WPS_ER
1366 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1367                                                 char *cmd)
1368 {
1369         char *uuid = cmd, *pin, *pos;
1370         u8 addr_buf[ETH_ALEN], *addr = NULL;
1371         pin = os_strchr(uuid, ' ');
1372         if (pin == NULL)
1373                 return -1;
1374         *pin++ = '\0';
1375         pos = os_strchr(pin, ' ');
1376         if (pos) {
1377                 *pos++ = '\0';
1378                 if (hwaddr_aton(pos, addr_buf) == 0)
1379                         addr = addr_buf;
1380         }
1381         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1382 }
1383
1384
1385 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1386                                                   char *cmd)
1387 {
1388         char *uuid = cmd, *pin;
1389         pin = os_strchr(uuid, ' ');
1390         if (pin == NULL)
1391                 return -1;
1392         *pin++ = '\0';
1393         return wpas_wps_er_learn(wpa_s, uuid, pin);
1394 }
1395
1396
1397 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1398         struct wpa_supplicant *wpa_s, char *cmd)
1399 {
1400         char *uuid = cmd, *id;
1401         id = os_strchr(uuid, ' ');
1402         if (id == NULL)
1403                 return -1;
1404         *id++ = '\0';
1405         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1406 }
1407
1408
1409 static int wpa_supplicant_ctrl_iface_wps_er_config(
1410         struct wpa_supplicant *wpa_s, char *cmd)
1411 {
1412         char *pin;
1413         char *new_ssid;
1414         char *new_auth;
1415         char *new_encr;
1416         char *new_key;
1417         struct wps_new_ap_settings ap;
1418
1419         pin = os_strchr(cmd, ' ');
1420         if (pin == NULL)
1421                 return -1;
1422         *pin++ = '\0';
1423
1424         new_ssid = os_strchr(pin, ' ');
1425         if (new_ssid == NULL)
1426                 return -1;
1427         *new_ssid++ = '\0';
1428
1429         new_auth = os_strchr(new_ssid, ' ');
1430         if (new_auth == NULL)
1431                 return -1;
1432         *new_auth++ = '\0';
1433
1434         new_encr = os_strchr(new_auth, ' ');
1435         if (new_encr == NULL)
1436                 return -1;
1437         *new_encr++ = '\0';
1438
1439         new_key = os_strchr(new_encr, ' ');
1440         if (new_key == NULL)
1441                 return -1;
1442         *new_key++ = '\0';
1443
1444         os_memset(&ap, 0, sizeof(ap));
1445         ap.ssid_hex = new_ssid;
1446         ap.auth = new_auth;
1447         ap.encr = new_encr;
1448         ap.key_hex = new_key;
1449         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1450 }
1451
1452
1453 #ifdef CONFIG_WPS_NFC
1454 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1455         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1456 {
1457         int ndef;
1458         struct wpabuf *buf;
1459         int res;
1460         char *uuid;
1461
1462         uuid = os_strchr(cmd, ' ');
1463         if (uuid == NULL)
1464                 return -1;
1465         *uuid++ = '\0';
1466
1467         if (os_strcmp(cmd, "WPS") == 0)
1468                 ndef = 0;
1469         else if (os_strcmp(cmd, "NDEF") == 0)
1470                 ndef = 1;
1471         else
1472                 return -1;
1473
1474         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1475         if (buf == NULL)
1476                 return -1;
1477
1478         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1479                                          wpabuf_len(buf));
1480         reply[res++] = '\n';
1481         reply[res] = '\0';
1482
1483         wpabuf_free(buf);
1484
1485         return res;
1486 }
1487 #endif /* CONFIG_WPS_NFC */
1488 #endif /* CONFIG_WPS_ER */
1489
1490 #endif /* CONFIG_WPS */
1491
1492
1493 #ifdef CONFIG_IBSS_RSN
1494 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1495         struct wpa_supplicant *wpa_s, char *addr)
1496 {
1497         u8 peer[ETH_ALEN];
1498
1499         if (hwaddr_aton(addr, peer)) {
1500                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1501                            "address '%s'", addr);
1502                 return -1;
1503         }
1504
1505         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1506                    MAC2STR(peer));
1507
1508         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1509 }
1510 #endif /* CONFIG_IBSS_RSN */
1511
1512
1513 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1514                                               char *rsp)
1515 {
1516 #ifdef IEEE8021X_EAPOL
1517         char *pos, *id_pos;
1518         int id;
1519         struct wpa_ssid *ssid;
1520
1521         pos = os_strchr(rsp, '-');
1522         if (pos == NULL)
1523                 return -1;
1524         *pos++ = '\0';
1525         id_pos = pos;
1526         pos = os_strchr(pos, ':');
1527         if (pos == NULL)
1528                 return -1;
1529         *pos++ = '\0';
1530         id = atoi(id_pos);
1531         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1532         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1533                               (u8 *) pos, os_strlen(pos));
1534
1535         ssid = wpa_config_get_network(wpa_s->conf, id);
1536         if (ssid == NULL) {
1537                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1538                            "to update", id);
1539                 return -1;
1540         }
1541
1542         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1543                                                          pos);
1544 #else /* IEEE8021X_EAPOL */
1545         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1546         return -1;
1547 #endif /* IEEE8021X_EAPOL */
1548 }
1549
1550
1551 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1552                                             const char *params,
1553                                             char *buf, size_t buflen)
1554 {
1555         char *pos, *end, tmp[30];
1556         int res, verbose, wps, ret;
1557 #ifdef CONFIG_HS20
1558         const u8 *hs20;
1559 #endif /* CONFIG_HS20 */
1560
1561         if (os_strcmp(params, "-DRIVER") == 0)
1562                 return wpa_drv_status(wpa_s, buf, buflen);
1563         verbose = os_strcmp(params, "-VERBOSE") == 0;
1564         wps = os_strcmp(params, "-WPS") == 0;
1565         pos = buf;
1566         end = buf + buflen;
1567         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1568                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1569                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1570                                   MAC2STR(wpa_s->bssid));
1571                 if (ret < 0 || ret >= end - pos)
1572                         return pos - buf;
1573                 pos += ret;
1574                 if (ssid) {
1575                         u8 *_ssid = ssid->ssid;
1576                         size_t ssid_len = ssid->ssid_len;
1577                         u8 ssid_buf[MAX_SSID_LEN];
1578                         if (ssid_len == 0) {
1579                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1580                                 if (_res < 0)
1581                                         ssid_len = 0;
1582                                 else
1583                                         ssid_len = _res;
1584                                 _ssid = ssid_buf;
1585                         }
1586                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1587                                           wpa_ssid_txt(_ssid, ssid_len),
1588                                           ssid->id);
1589                         if (ret < 0 || ret >= end - pos)
1590                                 return pos - buf;
1591                         pos += ret;
1592
1593                         if (wps && ssid->passphrase &&
1594                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1595                             (ssid->mode == WPAS_MODE_AP ||
1596                              ssid->mode == WPAS_MODE_P2P_GO)) {
1597                                 ret = os_snprintf(pos, end - pos,
1598                                                   "passphrase=%s\n",
1599                                                   ssid->passphrase);
1600                                 if (ret < 0 || ret >= end - pos)
1601                                         return pos - buf;
1602                                 pos += ret;
1603                         }
1604                         if (ssid->id_str) {
1605                                 ret = os_snprintf(pos, end - pos,
1606                                                   "id_str=%s\n",
1607                                                   ssid->id_str);
1608                                 if (ret < 0 || ret >= end - pos)
1609                                         return pos - buf;
1610                                 pos += ret;
1611                         }
1612
1613                         switch (ssid->mode) {
1614                         case WPAS_MODE_INFRA:
1615                                 ret = os_snprintf(pos, end - pos,
1616                                                   "mode=station\n");
1617                                 break;
1618                         case WPAS_MODE_IBSS:
1619                                 ret = os_snprintf(pos, end - pos,
1620                                                   "mode=IBSS\n");
1621                                 break;
1622                         case WPAS_MODE_AP:
1623                                 ret = os_snprintf(pos, end - pos,
1624                                                   "mode=AP\n");
1625                                 break;
1626                         case WPAS_MODE_P2P_GO:
1627                                 ret = os_snprintf(pos, end - pos,
1628                                                   "mode=P2P GO\n");
1629                                 break;
1630                         case WPAS_MODE_P2P_GROUP_FORMATION:
1631                                 ret = os_snprintf(pos, end - pos,
1632                                                   "mode=P2P GO - group "
1633                                                   "formation\n");
1634                                 break;
1635                         default:
1636                                 ret = 0;
1637                                 break;
1638                         }
1639                         if (ret < 0 || ret >= end - pos)
1640                                 return pos - buf;
1641                         pos += ret;
1642                 }
1643
1644 #ifdef CONFIG_AP
1645                 if (wpa_s->ap_iface) {
1646                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1647                                                             end - pos,
1648                                                             verbose);
1649                 } else
1650 #endif /* CONFIG_AP */
1651                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1652         }
1653 #ifdef CONFIG_SAE
1654         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1655 #ifdef CONFIG_AP
1656             !wpa_s->ap_iface &&
1657 #endif /* CONFIG_AP */
1658             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1659                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1660                                   wpa_s->sme.sae.group);
1661                 if (ret < 0 || ret >= end - pos)
1662                         return pos - buf;
1663                 pos += ret;
1664         }
1665 #endif /* CONFIG_SAE */
1666         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1667                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1668         if (ret < 0 || ret >= end - pos)
1669                 return pos - buf;
1670         pos += ret;
1671
1672         if (wpa_s->l2 &&
1673             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1674                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1675                 if (ret < 0 || ret >= end - pos)
1676                         return pos - buf;
1677                 pos += ret;
1678         }
1679
1680 #ifdef CONFIG_P2P
1681         if (wpa_s->global->p2p) {
1682                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1683                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1684                 if (ret < 0 || ret >= end - pos)
1685                         return pos - buf;
1686                 pos += ret;
1687         }
1688 #endif /* CONFIG_P2P */
1689
1690         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1691                           MAC2STR(wpa_s->own_addr));
1692         if (ret < 0 || ret >= end - pos)
1693                 return pos - buf;
1694         pos += ret;
1695
1696 #ifdef CONFIG_HS20
1697         if (wpa_s->current_bss &&
1698             (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1699                                           HS20_IE_VENDOR_TYPE)) &&
1700             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1701             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1702                 int release = 1;
1703                 if (hs20[1] >= 5) {
1704                         u8 rel_num = (hs20[6] & 0xf0) >> 4;
1705                         release = rel_num + 1;
1706                 }
1707                 ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
1708                 if (ret < 0 || ret >= end - pos)
1709                         return pos - buf;
1710                 pos += ret;
1711         }
1712
1713         if (wpa_s->current_ssid) {
1714                 struct wpa_cred *cred;
1715                 char *type;
1716
1717                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1718                         size_t i;
1719
1720                         if (wpa_s->current_ssid->parent_cred != cred)
1721                                 continue;
1722
1723                         for (i = 0; cred->domain && i < cred->num_domain; i++) {
1724                                 ret = os_snprintf(pos, end - pos,
1725                                                   "home_sp=%s\n",
1726                                                   cred->domain[i]);
1727                                 if (ret < 0 || ret >= end - pos)
1728                                         return pos - buf;
1729                                 pos += ret;
1730                         }
1731
1732                         if (wpa_s->current_bss == NULL ||
1733                             wpa_s->current_bss->anqp == NULL)
1734                                 res = -1;
1735                         else
1736                                 res = interworking_home_sp_cred(
1737                                         wpa_s, cred,
1738                                         wpa_s->current_bss->anqp->domain_name);
1739                         if (res > 0)
1740                                 type = "home";
1741                         else if (res == 0)
1742                                 type = "roaming";
1743                         else
1744                                 type = "unknown";
1745
1746                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1747                         if (ret < 0 || ret >= end - pos)
1748                                 return pos - buf;
1749                         pos += ret;
1750
1751                         break;
1752                 }
1753         }
1754 #endif /* CONFIG_HS20 */
1755
1756         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1757             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1758                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1759                                           verbose);
1760                 if (res >= 0)
1761                         pos += res;
1762         }
1763
1764         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1765         if (res >= 0)
1766                 pos += res;
1767
1768 #ifdef CONFIG_WPS
1769         {
1770                 char uuid_str[100];
1771                 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
1772                 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
1773                 if (ret < 0 || ret >= end - pos)
1774                         return pos - buf;
1775                 pos += ret;
1776         }
1777 #endif /* CONFIG_WPS */
1778
1779 #ifdef ANDROID
1780         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
1781                      "id=%d state=%d BSSID=" MACSTR " SSID=%s",
1782                      wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
1783                      wpa_s->wpa_state,
1784                      MAC2STR(wpa_s->bssid),
1785                      wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
1786                      wpa_ssid_txt(wpa_s->current_ssid->ssid,
1787                                   wpa_s->current_ssid->ssid_len) : "");
1788         if (wpa_s->wpa_state == WPA_COMPLETED) {
1789                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1790                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
1791                              "- connection to " MACSTR
1792                              " completed %s [id=%d id_str=%s]",
1793                              MAC2STR(wpa_s->bssid), "(auth)",
1794                              ssid ? ssid->id : -1,
1795                              ssid && ssid->id_str ? ssid->id_str : "");
1796         }
1797 #endif /* ANDROID */
1798
1799         return pos - buf;
1800 }
1801
1802
1803 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1804                                            char *cmd)
1805 {
1806         char *pos;
1807         int id;
1808         struct wpa_ssid *ssid;
1809         u8 bssid[ETH_ALEN];
1810
1811         /* cmd: "<network id> <BSSID>" */
1812         pos = os_strchr(cmd, ' ');
1813         if (pos == NULL)
1814                 return -1;
1815         *pos++ = '\0';
1816         id = atoi(cmd);
1817         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1818         if (hwaddr_aton(pos, bssid)) {
1819                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1820                 return -1;
1821         }
1822
1823         ssid = wpa_config_get_network(wpa_s->conf, id);
1824         if (ssid == NULL) {
1825                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1826                            "to update", id);
1827                 return -1;
1828         }
1829
1830         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1831         ssid->bssid_set = !is_zero_ether_addr(bssid);
1832
1833         return 0;
1834 }
1835
1836
1837 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1838                                                char *cmd, char *buf,
1839                                                size_t buflen)
1840 {
1841         u8 bssid[ETH_ALEN];
1842         struct wpa_blacklist *e;
1843         char *pos, *end;
1844         int ret;
1845
1846         /* cmd: "BLACKLIST [<BSSID>]" */
1847         if (*cmd == '\0') {
1848                 pos = buf;
1849                 end = buf + buflen;
1850                 e = wpa_s->blacklist;
1851                 while (e) {
1852                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1853                                           MAC2STR(e->bssid));
1854                         if (ret < 0 || ret >= end - pos)
1855                                 return pos - buf;
1856                         pos += ret;
1857                         e = e->next;
1858                 }
1859                 return pos - buf;
1860         }
1861
1862         cmd++;
1863         if (os_strncmp(cmd, "clear", 5) == 0) {
1864                 wpa_blacklist_clear(wpa_s);
1865                 os_memcpy(buf, "OK\n", 3);
1866                 return 3;
1867         }
1868
1869         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1870         if (hwaddr_aton(cmd, bssid)) {
1871                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1872                 return -1;
1873         }
1874
1875         /*
1876          * Add the BSSID twice, so its count will be 2, causing it to be
1877          * skipped when processing scan results.
1878          */
1879         ret = wpa_blacklist_add(wpa_s, bssid);
1880         if (ret != 0)
1881                 return -1;
1882         ret = wpa_blacklist_add(wpa_s, bssid);
1883         if (ret != 0)
1884                 return -1;
1885         os_memcpy(buf, "OK\n", 3);
1886         return 3;
1887 }
1888
1889
1890 static const char * debug_level_str(int level)
1891 {
1892         switch (level) {
1893         case MSG_EXCESSIVE:
1894                 return "EXCESSIVE";
1895         case MSG_MSGDUMP:
1896                 return "MSGDUMP";
1897         case MSG_DEBUG:
1898                 return "DEBUG";
1899         case MSG_INFO:
1900                 return "INFO";
1901         case MSG_WARNING:
1902                 return "WARNING";
1903         case MSG_ERROR:
1904                 return "ERROR";
1905         default:
1906                 return "?";
1907         }
1908 }
1909
1910
1911 static int str_to_debug_level(const char *s)
1912 {
1913         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1914                 return MSG_EXCESSIVE;
1915         if (os_strcasecmp(s, "MSGDUMP") == 0)
1916                 return MSG_MSGDUMP;
1917         if (os_strcasecmp(s, "DEBUG") == 0)
1918                 return MSG_DEBUG;
1919         if (os_strcasecmp(s, "INFO") == 0)
1920                 return MSG_INFO;
1921         if (os_strcasecmp(s, "WARNING") == 0)
1922                 return MSG_WARNING;
1923         if (os_strcasecmp(s, "ERROR") == 0)
1924                 return MSG_ERROR;
1925         return -1;
1926 }
1927
1928
1929 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1930                                                char *cmd, char *buf,
1931                                                size_t buflen)
1932 {
1933         char *pos, *end, *stamp;
1934         int ret;
1935
1936         if (cmd == NULL) {
1937                 return -1;
1938         }
1939
1940         /* cmd: "LOG_LEVEL [<level>]" */
1941         if (*cmd == '\0') {
1942                 pos = buf;
1943                 end = buf + buflen;
1944                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1945                                   "Timestamp: %d\n",
1946                                   debug_level_str(wpa_debug_level),
1947                                   wpa_debug_timestamp);
1948                 if (ret < 0 || ret >= end - pos)
1949                         ret = 0;
1950
1951                 return ret;
1952         }
1953
1954         while (*cmd == ' ')
1955                 cmd++;
1956
1957         stamp = os_strchr(cmd, ' ');
1958         if (stamp) {
1959                 *stamp++ = '\0';
1960                 while (*stamp == ' ') {
1961                         stamp++;
1962                 }
1963         }
1964
1965         if (cmd && os_strlen(cmd)) {
1966                 int level = str_to_debug_level(cmd);
1967                 if (level < 0)
1968                         return -1;
1969                 wpa_debug_level = level;
1970         }
1971
1972         if (stamp && os_strlen(stamp))
1973                 wpa_debug_timestamp = atoi(stamp);
1974
1975         os_memcpy(buf, "OK\n", 3);
1976         return 3;
1977 }
1978
1979
1980 static int wpa_supplicant_ctrl_iface_list_networks(
1981         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1982 {
1983         char *pos, *end;
1984         struct wpa_ssid *ssid;
1985         int ret;
1986
1987         pos = buf;
1988         end = buf + buflen;
1989         ret = os_snprintf(pos, end - pos,
1990                           "network id / ssid / bssid / flags\n");
1991         if (ret < 0 || ret >= end - pos)
1992                 return pos - buf;
1993         pos += ret;
1994
1995         ssid = wpa_s->conf->ssid;
1996         while (ssid) {
1997                 ret = os_snprintf(pos, end - pos, "%d\t%s",
1998                                   ssid->id,
1999                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2000                 if (ret < 0 || ret >= end - pos)
2001                         return pos - buf;
2002                 pos += ret;
2003                 if (ssid->bssid_set) {
2004                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2005                                           MAC2STR(ssid->bssid));
2006                 } else {
2007                         ret = os_snprintf(pos, end - pos, "\tany");
2008                 }
2009                 if (ret < 0 || ret >= end - pos)
2010                         return pos - buf;
2011                 pos += ret;
2012                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2013                                   ssid == wpa_s->current_ssid ?
2014                                   "[CURRENT]" : "",
2015                                   ssid->disabled ? "[DISABLED]" : "",
2016                                   ssid->disabled_until.sec ?
2017                                   "[TEMP-DISABLED]" : "",
2018                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2019                                   "");
2020                 if (ret < 0 || ret >= end - pos)
2021                         return pos - buf;
2022                 pos += ret;
2023                 ret = os_snprintf(pos, end - pos, "\n");
2024                 if (ret < 0 || ret >= end - pos)
2025                         return pos - buf;
2026                 pos += ret;
2027
2028                 ssid = ssid->next;
2029         }
2030
2031         return pos - buf;
2032 }
2033
2034
2035 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2036 {
2037         int ret;
2038         ret = os_snprintf(pos, end - pos, "-");
2039         if (ret < 0 || ret >= end - pos)
2040                 return pos;
2041         pos += ret;
2042         ret = wpa_write_ciphers(pos, end, cipher, "+");
2043         if (ret < 0)
2044                 return pos;
2045         pos += ret;
2046         return pos;
2047 }
2048
2049
2050 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2051                                     const u8 *ie, size_t ie_len)
2052 {
2053         struct wpa_ie_data data;
2054         int first, ret;
2055
2056         ret = os_snprintf(pos, end - pos, "[%s-", proto);
2057         if (ret < 0 || ret >= end - pos)
2058                 return pos;
2059         pos += ret;
2060
2061         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2062                 ret = os_snprintf(pos, end - pos, "?]");
2063                 if (ret < 0 || ret >= end - pos)
2064                         return pos;
2065                 pos += ret;
2066                 return pos;
2067         }
2068
2069         first = 1;
2070         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2071                 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
2072                 if (ret < 0 || ret >= end - pos)
2073                         return pos;
2074                 pos += ret;
2075                 first = 0;
2076         }
2077         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2078                 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
2079                 if (ret < 0 || ret >= end - pos)
2080                         return pos;
2081                 pos += ret;
2082                 first = 0;
2083         }
2084         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2085                 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
2086                 if (ret < 0 || ret >= end - pos)
2087                         return pos;
2088                 pos += ret;
2089                 first = 0;
2090         }
2091 #ifdef CONFIG_IEEE80211R
2092         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2093                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2094                                   first ? "" : "+");
2095                 if (ret < 0 || ret >= end - pos)
2096                         return pos;
2097                 pos += ret;
2098                 first = 0;
2099         }
2100         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2101                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2102                                   first ? "" : "+");
2103                 if (ret < 0 || ret >= end - pos)
2104                         return pos;
2105                 pos += ret;
2106                 first = 0;
2107         }
2108 #endif /* CONFIG_IEEE80211R */
2109 #ifdef CONFIG_IEEE80211W
2110         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2111                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2112                                   first ? "" : "+");
2113                 if (ret < 0 || ret >= end - pos)
2114                         return pos;
2115                 pos += ret;
2116                 first = 0;
2117         }
2118         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2119                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2120                                   first ? "" : "+");
2121                 if (ret < 0 || ret >= end - pos)
2122                         return pos;
2123                 pos += ret;
2124                 first = 0;
2125         }
2126 #endif /* CONFIG_IEEE80211W */
2127
2128         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2129
2130         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2131                 ret = os_snprintf(pos, end - pos, "-preauth");
2132                 if (ret < 0 || ret >= end - pos)
2133                         return pos;
2134                 pos += ret;
2135         }
2136
2137         ret = os_snprintf(pos, end - pos, "]");
2138         if (ret < 0 || ret >= end - pos)
2139                 return pos;
2140         pos += ret;
2141
2142         return pos;
2143 }
2144
2145
2146 #ifdef CONFIG_WPS
2147 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2148                                             char *pos, char *end,
2149                                             struct wpabuf *wps_ie)
2150 {
2151         int ret;
2152         const char *txt;
2153
2154         if (wps_ie == NULL)
2155                 return pos;
2156         if (wps_is_selected_pbc_registrar(wps_ie))
2157                 txt = "[WPS-PBC]";
2158 #ifdef CONFIG_WPS2
2159         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2160                 txt = "[WPS-AUTH]";
2161 #endif /* CONFIG_WPS2 */
2162         else if (wps_is_selected_pin_registrar(wps_ie))
2163                 txt = "[WPS-PIN]";
2164         else
2165                 txt = "[WPS]";
2166
2167         ret = os_snprintf(pos, end - pos, "%s", txt);
2168         if (ret >= 0 && ret < end - pos)
2169                 pos += ret;
2170         wpabuf_free(wps_ie);
2171         return pos;
2172 }
2173 #endif /* CONFIG_WPS */
2174
2175
2176 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2177                                         char *pos, char *end,
2178                                         const struct wpa_bss *bss)
2179 {
2180 #ifdef CONFIG_WPS
2181         struct wpabuf *wps_ie;
2182         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2183         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2184 #else /* CONFIG_WPS */
2185         return pos;
2186 #endif /* CONFIG_WPS */
2187 }
2188
2189
2190 /* Format one result on one text line into a buffer. */
2191 static int wpa_supplicant_ctrl_iface_scan_result(
2192         struct wpa_supplicant *wpa_s,
2193         const struct wpa_bss *bss, char *buf, size_t buflen)
2194 {
2195         char *pos, *end;
2196         int ret;
2197         const u8 *ie, *ie2, *p2p;
2198
2199         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2200         if (!p2p)
2201                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2202         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2203             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2204             0)
2205                 return 0; /* Do not show P2P listen discovery results here */
2206
2207         pos = buf;
2208         end = buf + buflen;
2209
2210         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2211                           MAC2STR(bss->bssid), bss->freq, bss->level);
2212         if (ret < 0 || ret >= end - pos)
2213                 return -1;
2214         pos += ret;
2215         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2216         if (ie)
2217                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2218         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2219         if (ie2)
2220                 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
2221         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2222         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2223                 ret = os_snprintf(pos, end - pos, "[WEP]");
2224                 if (ret < 0 || ret >= end - pos)
2225                         return -1;
2226                 pos += ret;
2227         }
2228         if (bss->caps & IEEE80211_CAP_IBSS) {
2229                 ret = os_snprintf(pos, end - pos, "[IBSS]");
2230                 if (ret < 0 || ret >= end - pos)
2231                         return -1;
2232                 pos += ret;
2233         }
2234         if (bss->caps & IEEE80211_CAP_ESS) {
2235                 ret = os_snprintf(pos, end - pos, "[ESS]");
2236                 if (ret < 0 || ret >= end - pos)
2237                         return -1;
2238                 pos += ret;
2239         }
2240         if (p2p) {
2241                 ret = os_snprintf(pos, end - pos, "[P2P]");
2242                 if (ret < 0 || ret >= end - pos)
2243                         return -1;
2244                 pos += ret;
2245         }
2246 #ifdef CONFIG_HS20
2247         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2248                 ret = os_snprintf(pos, end - pos, "[HS20]");
2249                 if (ret < 0 || ret >= end - pos)
2250                         return -1;
2251                 pos += ret;
2252         }
2253 #endif /* CONFIG_HS20 */
2254
2255         ret = os_snprintf(pos, end - pos, "\t%s",
2256                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2257         if (ret < 0 || ret >= end - pos)
2258                 return -1;
2259         pos += ret;
2260
2261         ret = os_snprintf(pos, end - pos, "\n");
2262         if (ret < 0 || ret >= end - pos)
2263                 return -1;
2264         pos += ret;
2265
2266         return pos - buf;
2267 }
2268
2269
2270 static int wpa_supplicant_ctrl_iface_scan_results(
2271         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2272 {
2273         char *pos, *end;
2274         struct wpa_bss *bss;
2275         int ret;
2276
2277         pos = buf;
2278         end = buf + buflen;
2279         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2280                           "flags / ssid\n");
2281         if (ret < 0 || ret >= end - pos)
2282                 return pos - buf;
2283         pos += ret;
2284
2285         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2286                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2287                                                             end - pos);
2288                 if (ret < 0 || ret >= end - pos)
2289                         return pos - buf;
2290                 pos += ret;
2291         }
2292
2293         return pos - buf;
2294 }
2295
2296
2297 static int wpa_supplicant_ctrl_iface_select_network(
2298         struct wpa_supplicant *wpa_s, char *cmd)
2299 {
2300         int id;
2301         struct wpa_ssid *ssid;
2302
2303         /* cmd: "<network id>" or "any" */
2304         if (os_strcmp(cmd, "any") == 0) {
2305                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2306                 ssid = NULL;
2307         } else {
2308                 id = atoi(cmd);
2309                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2310
2311                 ssid = wpa_config_get_network(wpa_s->conf, id);
2312                 if (ssid == NULL) {
2313                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2314                                    "network id=%d", id);
2315                         return -1;
2316                 }
2317                 if (ssid->disabled == 2) {
2318                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2319                                    "SELECT_NETWORK with persistent P2P group");
2320                         return -1;
2321                 }
2322         }
2323
2324         wpa_supplicant_select_network(wpa_s, ssid);
2325
2326         return 0;
2327 }
2328
2329
2330 static int wpa_supplicant_ctrl_iface_enable_network(
2331         struct wpa_supplicant *wpa_s, char *cmd)
2332 {
2333         int id;
2334         struct wpa_ssid *ssid;
2335
2336         /* cmd: "<network id>" or "all" */
2337         if (os_strcmp(cmd, "all") == 0) {
2338                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2339                 ssid = NULL;
2340         } else {
2341                 id = atoi(cmd);
2342                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2343
2344                 ssid = wpa_config_get_network(wpa_s->conf, id);
2345                 if (ssid == NULL) {
2346                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2347                                    "network id=%d", id);
2348                         return -1;
2349                 }
2350                 if (ssid->disabled == 2) {
2351                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2352                                    "ENABLE_NETWORK with persistent P2P group");
2353                         return -1;
2354                 }
2355
2356                 if (os_strstr(cmd, " no-connect")) {
2357                         ssid->disabled = 0;
2358                         return 0;
2359                 }
2360         }
2361         wpa_supplicant_enable_network(wpa_s, ssid);
2362
2363         return 0;
2364 }
2365
2366
2367 static int wpa_supplicant_ctrl_iface_disable_network(
2368         struct wpa_supplicant *wpa_s, char *cmd)
2369 {
2370         int id;
2371         struct wpa_ssid *ssid;
2372
2373         /* cmd: "<network id>" or "all" */
2374         if (os_strcmp(cmd, "all") == 0) {
2375                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2376                 ssid = NULL;
2377         } else {
2378                 id = atoi(cmd);
2379                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2380
2381                 ssid = wpa_config_get_network(wpa_s->conf, id);
2382                 if (ssid == NULL) {
2383                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2384                                    "network id=%d", id);
2385                         return -1;
2386                 }
2387                 if (ssid->disabled == 2) {
2388                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2389                                    "DISABLE_NETWORK with persistent P2P "
2390                                    "group");
2391                         return -1;
2392                 }
2393         }
2394         wpa_supplicant_disable_network(wpa_s, ssid);
2395
2396         return 0;
2397 }
2398
2399
2400 static int wpa_supplicant_ctrl_iface_add_network(
2401         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2402 {
2403         struct wpa_ssid *ssid;
2404         int ret;
2405
2406         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2407
2408         ssid = wpa_config_add_network(wpa_s->conf);
2409         if (ssid == NULL)
2410                 return -1;
2411
2412         wpas_notify_network_added(wpa_s, ssid);
2413
2414         ssid->disabled = 1;
2415         wpa_config_set_network_defaults(ssid);
2416
2417         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2418         if (ret < 0 || (size_t) ret >= buflen)
2419                 return -1;
2420         return ret;
2421 }
2422
2423
2424 static int wpa_supplicant_ctrl_iface_remove_network(
2425         struct wpa_supplicant *wpa_s, char *cmd)
2426 {
2427         int id;
2428         struct wpa_ssid *ssid;
2429         int was_disabled;
2430
2431         /* cmd: "<network id>" or "all" */
2432         if (os_strcmp(cmd, "all") == 0) {
2433                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2434                 if (wpa_s->sched_scanning)
2435                         wpa_supplicant_cancel_sched_scan(wpa_s);
2436
2437                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2438                 if (wpa_s->current_ssid) {
2439 #ifdef CONFIG_SME
2440                         wpa_s->sme.prev_bssid_set = 0;
2441 #endif /* CONFIG_SME */
2442                         wpa_sm_set_config(wpa_s->wpa, NULL);
2443                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2444                         wpa_supplicant_deauthenticate(
2445                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2446                 }
2447                 ssid = wpa_s->conf->ssid;
2448                 while (ssid) {
2449                         struct wpa_ssid *remove_ssid = ssid;
2450                         id = ssid->id;
2451                         ssid = ssid->next;
2452                         wpas_notify_network_removed(wpa_s, remove_ssid);
2453                         wpa_config_remove_network(wpa_s->conf, id);
2454                 }
2455                 return 0;
2456         }
2457
2458         id = atoi(cmd);
2459         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2460
2461         ssid = wpa_config_get_network(wpa_s->conf, id);
2462         if (ssid)
2463                 wpas_notify_network_removed(wpa_s, ssid);
2464         if (ssid == NULL) {
2465                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2466                            "id=%d", id);
2467                 return -1;
2468         }
2469
2470         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2471 #ifdef CONFIG_SME
2472                 wpa_s->sme.prev_bssid_set = 0;
2473 #endif /* CONFIG_SME */
2474                 /*
2475                  * Invalidate the EAP session cache if the current or
2476                  * previously used network is removed.
2477                  */
2478                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2479         }
2480
2481         if (ssid == wpa_s->current_ssid) {
2482                 wpa_sm_set_config(wpa_s->wpa, NULL);
2483                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2484
2485                 wpa_supplicant_deauthenticate(wpa_s,
2486                                               WLAN_REASON_DEAUTH_LEAVING);
2487         }
2488
2489         was_disabled = ssid->disabled;
2490
2491         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2492                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2493                            "network id=%d", id);
2494                 return -1;
2495         }
2496
2497         if (!was_disabled && wpa_s->sched_scanning) {
2498                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2499                            "network from filters");
2500                 wpa_supplicant_cancel_sched_scan(wpa_s);
2501                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2502         }
2503
2504         return 0;
2505 }
2506
2507
2508 static int wpa_supplicant_ctrl_iface_set_network(
2509         struct wpa_supplicant *wpa_s, char *cmd)
2510 {
2511         int id;
2512         struct wpa_ssid *ssid;
2513         char *name, *value;
2514
2515         /* cmd: "<network id> <variable name> <value>" */
2516         name = os_strchr(cmd, ' ');
2517         if (name == NULL)
2518                 return -1;
2519         *name++ = '\0';
2520
2521         value = os_strchr(name, ' ');
2522         if (value == NULL)
2523                 return -1;
2524         *value++ = '\0';
2525
2526         id = atoi(cmd);
2527         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2528                    id, name);
2529         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2530                               (u8 *) value, os_strlen(value));
2531
2532         ssid = wpa_config_get_network(wpa_s->conf, id);
2533         if (ssid == NULL) {
2534                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2535                            "id=%d", id);
2536                 return -1;
2537         }
2538
2539         if (wpa_config_set(ssid, name, value, 0) < 0) {
2540                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2541                            "variable '%s'", name);
2542                 return -1;
2543         }
2544
2545         if (os_strcmp(name, "bssid") != 0 &&
2546             os_strcmp(name, "priority") != 0)
2547                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2548
2549         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2550                 /*
2551                  * Invalidate the EAP session cache if anything in the current
2552                  * or previously used configuration changes.
2553                  */
2554                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2555         }
2556
2557         if ((os_strcmp(name, "psk") == 0 &&
2558              value[0] == '"' && ssid->ssid_len) ||
2559             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2560                 wpa_config_update_psk(ssid);
2561         else if (os_strcmp(name, "priority") == 0)
2562                 wpa_config_update_prio_list(wpa_s->conf);
2563
2564         return 0;
2565 }
2566
2567
2568 static int wpa_supplicant_ctrl_iface_get_network(
2569         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2570 {
2571         int id;
2572         size_t res;
2573         struct wpa_ssid *ssid;
2574         char *name, *value;
2575
2576         /* cmd: "<network id> <variable name>" */
2577         name = os_strchr(cmd, ' ');
2578         if (name == NULL || buflen == 0)
2579                 return -1;
2580         *name++ = '\0';
2581
2582         id = atoi(cmd);
2583         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2584                    id, name);
2585
2586         ssid = wpa_config_get_network(wpa_s->conf, id);
2587         if (ssid == NULL) {
2588                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2589                            "id=%d", id);
2590                 return -1;
2591         }
2592
2593         value = wpa_config_get_no_key(ssid, name);
2594         if (value == NULL) {
2595                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2596                            "variable '%s'", name);
2597                 return -1;
2598         }
2599
2600         res = os_strlcpy(buf, value, buflen);
2601         if (res >= buflen) {
2602                 os_free(value);
2603                 return -1;
2604         }
2605
2606         os_free(value);
2607
2608         return res;
2609 }
2610
2611
2612 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2613                                                 char *buf, size_t buflen)
2614 {
2615         char *pos, *end;
2616         struct wpa_cred *cred;
2617         int ret;
2618
2619         pos = buf;
2620         end = buf + buflen;
2621         ret = os_snprintf(pos, end - pos,
2622                           "cred id / realm / username / domain / imsi\n");
2623         if (ret < 0 || ret >= end - pos)
2624                 return pos - buf;
2625         pos += ret;
2626
2627         cred = wpa_s->conf->cred;
2628         while (cred) {
2629                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2630                                   cred->id, cred->realm ? cred->realm : "",
2631                                   cred->username ? cred->username : "",
2632                                   cred->domain ? cred->domain[0] : "",
2633                                   cred->imsi ? cred->imsi : "");
2634                 if (ret < 0 || ret >= end - pos)
2635                         return pos - buf;
2636                 pos += ret;
2637
2638                 cred = cred->next;
2639         }
2640
2641         return pos - buf;
2642 }
2643
2644
2645 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2646                                               char *buf, size_t buflen)
2647 {
2648         struct wpa_cred *cred;
2649         int ret;
2650
2651         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2652
2653         cred = wpa_config_add_cred(wpa_s->conf);
2654         if (cred == NULL)
2655                 return -1;
2656
2657         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2658         if (ret < 0 || (size_t) ret >= buflen)
2659                 return -1;
2660         return ret;
2661 }
2662
2663
2664 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2665                                  struct wpa_cred *cred)
2666 {
2667         struct wpa_ssid *ssid;
2668         char str[20];
2669
2670         if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2671                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2672                 return -1;
2673         }
2674
2675         /* Remove any network entry created based on the removed credential */
2676         ssid = wpa_s->conf->ssid;
2677         while (ssid) {
2678                 if (ssid->parent_cred == cred) {
2679                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2680                                    "used the removed credential", ssid->id);
2681                         os_snprintf(str, sizeof(str), "%d", ssid->id);
2682                         ssid = ssid->next;
2683                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2684                 } else
2685                         ssid = ssid->next;
2686         }
2687
2688         return 0;
2689 }
2690
2691
2692 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2693                                                  char *cmd)
2694 {
2695         int id;
2696         struct wpa_cred *cred, *prev;
2697
2698         /* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2699         if (os_strcmp(cmd, "all") == 0) {
2700                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2701                 cred = wpa_s->conf->cred;
2702                 while (cred) {
2703                         prev = cred;
2704                         cred = cred->next;
2705                         wpas_ctrl_remove_cred(wpa_s, prev);
2706                 }
2707                 return 0;
2708         }
2709
2710         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2711                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2712                            cmd + 8);
2713                 cred = wpa_s->conf->cred;
2714                 while (cred) {
2715                         prev = cred;
2716                         cred = cred->next;
2717                         if (prev->domain) {
2718                                 size_t i;
2719                                 for (i = 0; i < prev->num_domain; i++) {
2720                                         if (os_strcmp(prev->domain[i], cmd + 8)
2721                                             != 0)
2722                                                 continue;
2723                                         wpas_ctrl_remove_cred(wpa_s, prev);
2724                                         break;
2725                                 }
2726                         }
2727                 }
2728                 return 0;
2729         }
2730
2731         id = atoi(cmd);
2732         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2733
2734         cred = wpa_config_get_cred(wpa_s->conf, id);
2735         return wpas_ctrl_remove_cred(wpa_s, cred);
2736 }
2737
2738
2739 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2740                                               char *cmd)
2741 {
2742         int id;
2743         struct wpa_cred *cred;
2744         char *name, *value;
2745
2746         /* cmd: "<cred id> <variable name> <value>" */
2747         name = os_strchr(cmd, ' ');
2748         if (name == NULL)
2749                 return -1;
2750         *name++ = '\0';
2751
2752         value = os_strchr(name, ' ');
2753         if (value == NULL)
2754                 return -1;
2755         *value++ = '\0';
2756
2757         id = atoi(cmd);
2758         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2759                    id, name);
2760         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2761                               (u8 *) value, os_strlen(value));
2762
2763         cred = wpa_config_get_cred(wpa_s->conf, id);
2764         if (cred == NULL) {
2765                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2766                            id);
2767                 return -1;
2768         }
2769
2770         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2771                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2772                            "variable '%s'", name);
2773                 return -1;
2774         }
2775
2776         return 0;
2777 }
2778
2779
2780 #ifndef CONFIG_NO_CONFIG_WRITE
2781 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2782 {
2783         int ret;
2784
2785         if (!wpa_s->conf->update_config) {
2786                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2787                            "to update configuration (update_config=0)");
2788                 return -1;
2789         }
2790
2791         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2792         if (ret) {
2793                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2794                            "update configuration");
2795         } else {
2796                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2797                            " updated");
2798         }
2799
2800         return ret;
2801 }
2802 #endif /* CONFIG_NO_CONFIG_WRITE */
2803
2804
2805 struct cipher_info {
2806         unsigned int capa;
2807         const char *name;
2808         int group_only;
2809 };
2810
2811 static const struct cipher_info ciphers[] = {
2812         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
2813         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
2814         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
2815         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
2816         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
2817         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
2818         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
2819         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
2820 };
2821
2822
2823 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2824                                               struct wpa_driver_capa *capa,
2825                                               char *buf, size_t buflen)
2826 {
2827         int ret, first = 1;
2828         char *pos, *end;
2829         size_t len;
2830         unsigned int i;
2831
2832         pos = buf;
2833         end = pos + buflen;
2834
2835         if (res < 0) {
2836                 if (strict)
2837                         return 0;
2838                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2839                 if (len >= buflen)
2840                         return -1;
2841                 return len;
2842         }
2843
2844         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
2845                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
2846                         ret = os_snprintf(pos, end - pos, "%s%s",
2847                                           first ? "" : " ", ciphers[i].name);
2848                         if (ret < 0 || ret >= end - pos)
2849                                 return pos - buf;
2850                         pos += ret;
2851                         first = 0;
2852                 }
2853         }
2854
2855         return pos - buf;
2856 }
2857
2858
2859 static int ctrl_iface_get_capability_group(int res, char *strict,
2860                                            struct wpa_driver_capa *capa,
2861                                            char *buf, size_t buflen)
2862 {
2863         int ret, first = 1;
2864         char *pos, *end;
2865         size_t len;
2866         unsigned int i;
2867
2868         pos = buf;
2869         end = pos + buflen;
2870
2871         if (res < 0) {
2872                 if (strict)
2873                         return 0;
2874                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2875                 if (len >= buflen)
2876                         return -1;
2877                 return len;
2878         }
2879
2880         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
2881                 if (capa->enc & ciphers[i].capa) {
2882                         ret = os_snprintf(pos, end - pos, "%s%s",
2883                                           first ? "" : " ", ciphers[i].name);
2884                         if (ret < 0 || ret >= end - pos)
2885                                 return pos - buf;
2886                         pos += ret;
2887                         first = 0;
2888                 }
2889         }
2890
2891         return pos - buf;
2892 }
2893
2894
2895 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2896                                               struct wpa_driver_capa *capa,
2897                                               char *buf, size_t buflen)
2898 {
2899         int ret;
2900         char *pos, *end;
2901         size_t len;
2902
2903         pos = buf;
2904         end = pos + buflen;
2905
2906         if (res < 0) {
2907                 if (strict)
2908                         return 0;
2909                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2910                                  "NONE", buflen);
2911                 if (len >= buflen)
2912                         return -1;
2913                 return len;
2914         }
2915
2916         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2917         if (ret < 0 || ret >= end - pos)
2918                 return pos - buf;
2919         pos += ret;
2920
2921         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2922                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2923                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2924                 if (ret < 0 || ret >= end - pos)
2925                         return pos - buf;
2926                 pos += ret;
2927         }
2928
2929         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2930                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2931                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2932                 if (ret < 0 || ret >= end - pos)
2933                         return pos - buf;
2934                 pos += ret;
2935         }
2936
2937         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2938                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2939                 if (ret < 0 || ret >= end - pos)
2940                         return pos - buf;
2941                 pos += ret;
2942         }
2943
2944         return pos - buf;
2945 }
2946
2947
2948 static int ctrl_iface_get_capability_proto(int res, char *strict,
2949                                            struct wpa_driver_capa *capa,
2950                                            char *buf, size_t buflen)
2951 {
2952         int ret, first = 1;
2953         char *pos, *end;
2954         size_t len;
2955
2956         pos = buf;
2957         end = pos + buflen;
2958
2959         if (res < 0) {
2960                 if (strict)
2961                         return 0;
2962                 len = os_strlcpy(buf, "RSN WPA", buflen);
2963                 if (len >= buflen)
2964                         return -1;
2965                 return len;
2966         }
2967
2968         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2969                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2970                 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2971                 if (ret < 0 || ret >= end - pos)
2972                         return pos - buf;
2973                 pos += ret;
2974                 first = 0;
2975         }
2976
2977         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2978                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2979                 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2980                 if (ret < 0 || ret >= end - pos)
2981                         return pos - buf;
2982                 pos += ret;
2983                 first = 0;
2984         }
2985
2986         return pos - buf;
2987 }
2988
2989
2990 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2991                                               struct wpa_driver_capa *capa,
2992                                               char *buf, size_t buflen)
2993 {
2994         int ret, first = 1;
2995         char *pos, *end;
2996         size_t len;
2997
2998         pos = buf;
2999         end = pos + buflen;
3000
3001         if (res < 0) {
3002                 if (strict)
3003                         return 0;
3004                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3005                 if (len >= buflen)
3006                         return -1;
3007                 return len;
3008         }
3009
3010         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3011                 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
3012                 if (ret < 0 || ret >= end - pos)
3013                         return pos - buf;
3014                 pos += ret;
3015                 first = 0;
3016         }
3017
3018         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3019                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3020                                   first ? "" : " ");
3021                 if (ret < 0 || ret >= end - pos)
3022                         return pos - buf;
3023                 pos += ret;
3024                 first = 0;
3025         }
3026
3027         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3028                 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
3029                 if (ret < 0 || ret >= end - pos)
3030                         return pos - buf;
3031                 pos += ret;
3032                 first = 0;
3033         }
3034
3035         return pos - buf;
3036 }
3037
3038
3039 static int ctrl_iface_get_capability_modes(int res, char *strict,
3040                                            struct wpa_driver_capa *capa,
3041                                            char *buf, size_t buflen)
3042 {
3043         int ret, first = 1;
3044         char *pos, *end;
3045         size_t len;
3046
3047         pos = buf;
3048         end = pos + buflen;
3049
3050         if (res < 0) {
3051                 if (strict)
3052                         return 0;
3053                 len = os_strlcpy(buf, "IBSS AP", buflen);
3054                 if (len >= buflen)
3055                         return -1;
3056                 return len;
3057         }
3058
3059         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3060                 ret = os_snprintf(pos, end - pos, "%sIBSS", first ? "" : " ");
3061                 if (ret < 0 || ret >= end - pos)
3062                         return pos - buf;
3063                 pos += ret;
3064                 first = 0;
3065         }
3066
3067         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3068                 ret = os_snprintf(pos, end - pos, "%sAP", first ? "" : " ");
3069                 if (ret < 0 || ret >= end - pos)
3070                         return pos - buf;
3071                 pos += ret;
3072                 first = 0;
3073         }
3074
3075         return pos - buf;
3076 }
3077
3078
3079 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3080                                               char *buf, size_t buflen)
3081 {
3082         struct hostapd_channel_data *chnl;
3083         int ret, i, j;
3084         char *pos, *end, *hmode;
3085
3086         pos = buf;
3087         end = pos + buflen;
3088
3089         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3090                 switch (wpa_s->hw.modes[j].mode) {
3091                 case HOSTAPD_MODE_IEEE80211B:
3092                         hmode = "B";
3093                         break;
3094                 case HOSTAPD_MODE_IEEE80211G:
3095                         hmode = "G";
3096                         break;
3097                 case HOSTAPD_MODE_IEEE80211A:
3098                         hmode = "A";
3099                         break;
3100                 case HOSTAPD_MODE_IEEE80211AD:
3101                         hmode = "AD";
3102                         break;
3103                 default:
3104                         continue;
3105                 }
3106                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3107                 if (ret < 0 || ret >= end - pos)
3108                         return pos - buf;
3109                 pos += ret;
3110                 chnl = wpa_s->hw.modes[j].channels;
3111                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3112                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3113                                 continue;
3114                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3115                         if (ret < 0 || ret >= end - pos)
3116                                 return pos - buf;
3117                         pos += ret;
3118                 }
3119                 ret = os_snprintf(pos, end - pos, "\n");
3120                 if (ret < 0 || ret >= end - pos)
3121                         return pos - buf;
3122                 pos += ret;
3123         }
3124
3125         return pos - buf;
3126 }
3127
3128
3129 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3130                                           char *buf, size_t buflen)
3131 {
3132         struct hostapd_channel_data *chnl;
3133         int ret, i, j;
3134         char *pos, *end, *hmode;
3135
3136         pos = buf;
3137         end = pos + buflen;
3138
3139         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3140                 switch (wpa_s->hw.modes[j].mode) {
3141                 case HOSTAPD_MODE_IEEE80211B:
3142                         hmode = "B";
3143                         break;
3144                 case HOSTAPD_MODE_IEEE80211G:
3145                         hmode = "G";
3146                         break;
3147                 case HOSTAPD_MODE_IEEE80211A:
3148                         hmode = "A";
3149                         break;
3150                 case HOSTAPD_MODE_IEEE80211AD:
3151                         hmode = "AD";
3152                         break;
3153                 default:
3154                         continue;
3155                 }
3156                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3157                                   hmode);
3158                 if (ret < 0 || ret >= end - pos)
3159                         return pos - buf;
3160                 pos += ret;
3161                 chnl = wpa_s->hw.modes[j].channels;
3162                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3163                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3164                                 continue;
3165                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3166                                           chnl[i].chan, chnl[i].freq,
3167                                           chnl[i].flag & HOSTAPD_CHAN_NO_IBSS ?
3168                                           " (NO_IBSS)" : "",
3169                                           chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3170                                           " (DFS)" : "");
3171
3172                         if (ret < 0 || ret >= end - pos)
3173                                 return pos - buf;
3174                         pos += ret;
3175                 }
3176                 ret = os_snprintf(pos, end - pos, "\n");
3177                 if (ret < 0 || ret >= end - pos)
3178                         return pos - buf;
3179                 pos += ret;
3180         }
3181
3182         return pos - buf;
3183 }
3184
3185
3186 static int wpa_supplicant_ctrl_iface_get_capability(
3187         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3188         size_t buflen)
3189 {
3190         struct wpa_driver_capa capa;
3191         int res;
3192         char *strict;
3193         char field[30];
3194         size_t len;
3195
3196         /* Determine whether or not strict checking was requested */
3197         len = os_strlcpy(field, _field, sizeof(field));
3198         if (len >= sizeof(field))
3199                 return -1;
3200         strict = os_strchr(field, ' ');
3201         if (strict != NULL) {
3202                 *strict++ = '\0';
3203                 if (os_strcmp(strict, "strict") != 0)
3204                         return -1;
3205         }
3206
3207         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3208                 field, strict ? strict : "");
3209
3210         if (os_strcmp(field, "eap") == 0) {
3211                 return eap_get_names(buf, buflen);
3212         }
3213
3214         res = wpa_drv_get_capa(wpa_s, &capa);
3215
3216         if (os_strcmp(field, "pairwise") == 0)
3217                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3218                                                           buf, buflen);
3219
3220         if (os_strcmp(field, "group") == 0)
3221                 return ctrl_iface_get_capability_group(res, strict, &capa,
3222                                                        buf, buflen);
3223
3224         if (os_strcmp(field, "key_mgmt") == 0)
3225                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3226                                                           buf, buflen);
3227
3228         if (os_strcmp(field, "proto") == 0)
3229                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3230                                                        buf, buflen);
3231
3232         if (os_strcmp(field, "auth_alg") == 0)
3233                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
3234                                                           buf, buflen);
3235
3236         if (os_strcmp(field, "modes") == 0)
3237                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3238                                                        buf, buflen);
3239
3240         if (os_strcmp(field, "channels") == 0)
3241                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3242
3243         if (os_strcmp(field, "freq") == 0)
3244                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3245
3246         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3247                    field);
3248
3249         return -1;
3250 }
3251
3252
3253 #ifdef CONFIG_INTERWORKING
3254 static char * anqp_add_hex(char *pos, char *end, const char *title,
3255                            struct wpabuf *data)
3256 {
3257         char *start = pos;
3258         size_t i;
3259         int ret;
3260         const u8 *d;
3261
3262         if (data == NULL)
3263                 return start;
3264
3265         ret = os_snprintf(pos, end - pos, "%s=", title);
3266         if (ret < 0 || ret >= end - pos)
3267                 return start;
3268         pos += ret;
3269
3270         d = wpabuf_head_u8(data);
3271         for (i = 0; i < wpabuf_len(data); i++) {
3272                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3273                 if (ret < 0 || ret >= end - pos)
3274                         return start;
3275                 pos += ret;
3276         }
3277
3278         ret = os_snprintf(pos, end - pos, "\n");
3279         if (ret < 0 || ret >= end - pos)
3280                 return start;
3281         pos += ret;
3282
3283         return pos;
3284 }
3285 #endif /* CONFIG_INTERWORKING */
3286
3287
3288 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3289                           unsigned long mask, char *buf, size_t buflen)
3290 {
3291         size_t i;
3292         int ret;
3293         char *pos, *end;
3294         const u8 *ie, *ie2;
3295
3296         pos = buf;
3297         end = buf + buflen;
3298
3299         if (mask & WPA_BSS_MASK_ID) {
3300                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3301                 if (ret < 0 || ret >= end - pos)
3302                         return 0;
3303                 pos += ret;
3304         }
3305
3306         if (mask & WPA_BSS_MASK_BSSID) {
3307                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3308                                   MAC2STR(bss->bssid));
3309                 if (ret < 0 || ret >= end - pos)
3310                         return 0;
3311                 pos += ret;
3312         }
3313
3314         if (mask & WPA_BSS_MASK_FREQ) {
3315                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3316                 if (ret < 0 || ret >= end - pos)
3317                         return 0;
3318                 pos += ret;
3319         }
3320
3321         if (mask & WPA_BSS_MASK_BEACON_INT) {
3322                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3323                                   bss->beacon_int);
3324                 if (ret < 0 || ret >= end - pos)
3325                         return 0;
3326                 pos += ret;
3327         }
3328
3329         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3330                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3331                                   bss->caps);
3332                 if (ret < 0 || ret >= end - pos)
3333                         return 0;
3334                 pos += ret;
3335         }
3336
3337         if (mask & WPA_BSS_MASK_QUAL) {
3338                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3339                 if (ret < 0 || ret >= end - pos)
3340                         return 0;
3341                 pos += ret;
3342         }
3343
3344         if (mask & WPA_BSS_MASK_NOISE) {
3345                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3346                 if (ret < 0 || ret >= end - pos)
3347                         return 0;
3348                 pos += ret;
3349         }
3350
3351         if (mask & WPA_BSS_MASK_LEVEL) {
3352                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3353                 if (ret < 0 || ret >= end - pos)
3354                         return 0;
3355                 pos += ret;
3356         }
3357
3358         if (mask & WPA_BSS_MASK_TSF) {
3359                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3360                                   (unsigned long long) bss->tsf);
3361                 if (ret < 0 || ret >= end - pos)
3362                         return 0;
3363                 pos += ret;
3364         }
3365
3366         if (mask & WPA_BSS_MASK_AGE) {
3367                 struct os_reltime now;
3368
3369                 os_get_reltime(&now);
3370                 ret = os_snprintf(pos, end - pos, "age=%d\n",
3371                                   (int) (now.sec - bss->last_update.sec));
3372                 if (ret < 0 || ret >= end - pos)
3373                         return 0;
3374                 pos += ret;
3375         }
3376
3377         if (mask & WPA_BSS_MASK_IE) {
3378                 ret = os_snprintf(pos, end - pos, "ie=");
3379                 if (ret < 0 || ret >= end - pos)
3380                         return 0;
3381                 pos += ret;
3382
3383                 ie = (const u8 *) (bss + 1);
3384                 for (i = 0; i < bss->ie_len; i++) {
3385                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3386                         if (ret < 0 || ret >= end - pos)
3387                                 return 0;
3388                         pos += ret;
3389                 }
3390
3391                 ret = os_snprintf(pos, end - pos, "\n");
3392                 if (ret < 0 || ret >= end - pos)
3393                         return 0;
3394                 pos += ret;
3395         }
3396
3397         if (mask & WPA_BSS_MASK_FLAGS) {
3398                 ret = os_snprintf(pos, end - pos, "flags=");
3399                 if (ret < 0 || ret >= end - pos)
3400                         return 0;
3401                 pos += ret;
3402
3403                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3404                 if (ie)
3405                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3406                                                     2 + ie[1]);
3407                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3408                 if (ie2)
3409                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3410                                                     2 + ie2[1]);
3411                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3412                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3413                         ret = os_snprintf(pos, end - pos, "[WEP]");
3414                         if (ret < 0 || ret >= end - pos)
3415                                 return 0;
3416                         pos += ret;
3417                 }
3418                 if (bss->caps & IEEE80211_CAP_IBSS) {
3419                         ret = os_snprintf(pos, end - pos, "[IBSS]");
3420                         if (ret < 0 || ret >= end - pos)
3421                                 return 0;
3422                         pos += ret;
3423                 }
3424                 if (bss->caps & IEEE80211_CAP_ESS) {
3425                         ret = os_snprintf(pos, end - pos, "[ESS]");
3426                         if (ret < 0 || ret >= end - pos)
3427                                 return 0;
3428                         pos += ret;
3429                 }
3430                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
3431                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
3432                         ret = os_snprintf(pos, end - pos, "[P2P]");
3433                         if (ret < 0 || ret >= end - pos)
3434                                 return 0;
3435                         pos += ret;
3436                 }
3437 #ifdef CONFIG_HS20
3438                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3439                         ret = os_snprintf(pos, end - pos, "[HS20]");
3440                         if (ret < 0 || ret >= end - pos)
3441                                 return 0;
3442                         pos += ret;
3443                 }
3444 #endif /* CONFIG_HS20 */
3445
3446                 ret = os_snprintf(pos, end - pos, "\n");
3447                 if (ret < 0 || ret >= end - pos)
3448                         return 0;
3449                 pos += ret;
3450         }
3451
3452         if (mask & WPA_BSS_MASK_SSID) {
3453                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3454                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3455                 if (ret < 0 || ret >= end - pos)
3456                         return 0;
3457                 pos += ret;
3458         }
3459
3460 #ifdef CONFIG_WPS
3461         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3462                 ie = (const u8 *) (bss + 1);
3463                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3464                 if (ret < 0 || ret >= end - pos)
3465                         return 0;
3466                 pos += ret;
3467         }
3468 #endif /* CONFIG_WPS */
3469
3470 #ifdef CONFIG_P2P
3471         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3472                 ie = (const u8 *) (bss + 1);
3473                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3474                 if (ret < 0 || ret >= end - pos)
3475                         return 0;
3476                 pos += ret;
3477         }
3478 #endif /* CONFIG_P2P */
3479
3480 #ifdef CONFIG_WIFI_DISPLAY
3481         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3482                 struct wpabuf *wfd;
3483                 ie = (const u8 *) (bss + 1);
3484                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3485                                                   WFD_IE_VENDOR_TYPE);
3486                 if (wfd) {
3487                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3488                         if (ret < 0 || ret >= end - pos) {
3489                                 wpabuf_free(wfd);
3490                                 return 0;
3491                         }
3492                         pos += ret;
3493
3494                         pos += wpa_snprintf_hex(pos, end - pos,
3495                                                 wpabuf_head(wfd),
3496                                                 wpabuf_len(wfd));
3497                         wpabuf_free(wfd);
3498
3499                         ret = os_snprintf(pos, end - pos, "\n");
3500                         if (ret < 0 || ret >= end - pos)
3501                                 return 0;
3502                         pos += ret;
3503                 }
3504         }
3505 #endif /* CONFIG_WIFI_DISPLAY */
3506
3507 #ifdef CONFIG_INTERWORKING
3508         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3509                 struct wpa_bss_anqp *anqp = bss->anqp;
3510                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3511                                    anqp->venue_name);
3512                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3513                                    anqp->network_auth_type);
3514                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3515                                    anqp->roaming_consortium);
3516                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3517                                    anqp->ip_addr_type_availability);
3518                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3519                                    anqp->nai_realm);
3520                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3521                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3522                                    anqp->domain_name);
3523 #ifdef CONFIG_HS20
3524                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3525                                    anqp->hs20_operator_friendly_name);
3526                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3527                                    anqp->hs20_wan_metrics);
3528                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3529                                    anqp->hs20_connection_capability);
3530 #endif /* CONFIG_HS20 */
3531         }
3532 #endif /* CONFIG_INTERWORKING */
3533
3534         if (mask & WPA_BSS_MASK_DELIM) {
3535                 ret = os_snprintf(pos, end - pos, "====\n");
3536                 if (ret < 0 || ret >= end - pos)
3537                         return 0;
3538                 pos += ret;
3539         }
3540
3541         return pos - buf;
3542 }
3543
3544
3545 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3546                                          const char *cmd, char *buf,
3547                                          size_t buflen)
3548 {
3549         u8 bssid[ETH_ALEN];
3550         size_t i;
3551         struct wpa_bss *bss;
3552         struct wpa_bss *bsslast = NULL;
3553         struct dl_list *next;
3554         int ret = 0;
3555         int len;
3556         char *ctmp;
3557         unsigned long mask = WPA_BSS_MASK_ALL;
3558
3559         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3560                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3561                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3562                                             list_id);
3563                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3564                                                list_id);
3565                 } else { /* N1-N2 */
3566                         unsigned int id1, id2;
3567
3568                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3569                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3570                                            "format");
3571                                 return 0;
3572                         }
3573
3574                         if (*(cmd + 6) == '-')
3575                                 id1 = 0;
3576                         else
3577                                 id1 = atoi(cmd + 6);
3578                         ctmp++;
3579                         if (*ctmp >= '0' && *ctmp <= '9')
3580                                 id2 = atoi(ctmp);
3581                         else
3582                                 id2 = (unsigned int) -1;
3583                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3584                         if (id2 == (unsigned int) -1)
3585                                 bsslast = dl_list_last(&wpa_s->bss_id,
3586                                                        struct wpa_bss,
3587                                                        list_id);
3588                         else {
3589                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3590                                 if (bsslast == NULL && bss && id2 > id1) {
3591                                         struct wpa_bss *tmp = bss;
3592                                         for (;;) {
3593                                                 next = tmp->list_id.next;
3594                                                 if (next == &wpa_s->bss_id)
3595                                                         break;
3596                                                 tmp = dl_list_entry(
3597                                                         next, struct wpa_bss,
3598                                                         list_id);
3599                                                 if (tmp->id > id2)
3600                                                         break;
3601                                                 bsslast = tmp;
3602                                         }
3603                                 }
3604                         }
3605                 }
3606         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3607                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3608         else if (os_strncmp(cmd, "LAST", 4) == 0)
3609                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3610         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3611                 i = atoi(cmd + 3);
3612                 bss = wpa_bss_get_id(wpa_s, i);
3613         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3614                 i = atoi(cmd + 5);
3615                 bss = wpa_bss_get_id(wpa_s, i);
3616                 if (bss) {
3617                         next = bss->list_id.next;
3618                         if (next == &wpa_s->bss_id)
3619                                 bss = NULL;
3620                         else
3621                                 bss = dl_list_entry(next, struct wpa_bss,
3622                                                     list_id);
3623                 }
3624 #ifdef CONFIG_P2P
3625         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3626                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3627                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3628                 else
3629                         bss = NULL;
3630 #endif /* CONFIG_P2P */
3631         } else if (hwaddr_aton(cmd, bssid) == 0)
3632                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3633         else {
3634                 struct wpa_bss *tmp;
3635                 i = atoi(cmd);
3636                 bss = NULL;
3637                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3638                 {
3639                         if (i-- == 0) {
3640                                 bss = tmp;
3641                                 break;
3642                         }
3643                 }
3644         }
3645
3646         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3647                 mask = strtoul(ctmp + 5, NULL, 0x10);
3648                 if (mask == 0)
3649                         mask = WPA_BSS_MASK_ALL;
3650         }
3651
3652         if (bss == NULL)
3653                 return 0;
3654
3655         if (bsslast == NULL)
3656                 bsslast = bss;
3657         do {
3658                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3659                 ret += len;
3660                 buf += len;
3661                 buflen -= len;
3662                 if (bss == bsslast) {
3663                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
3664                             (bss == dl_list_last(&wpa_s->bss_id,
3665                                                  struct wpa_bss, list_id)))
3666                                 os_snprintf(buf - 5, 5, "####\n");
3667                         break;
3668                 }
3669                 next = bss->list_id.next;
3670                 if (next == &wpa_s->bss_id)
3671                         break;
3672                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3673         } while (bss && len);
3674
3675         return ret;
3676 }
3677
3678
3679 static int wpa_supplicant_ctrl_iface_ap_scan(
3680         struct wpa_supplicant *wpa_s, char *cmd)
3681 {
3682         int ap_scan = atoi(cmd);
3683         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3684 }
3685
3686
3687 static int wpa_supplicant_ctrl_iface_scan_interval(
3688         struct wpa_supplicant *wpa_s, char *cmd)
3689 {
3690         int scan_int = atoi(cmd);
3691         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3692 }
3693
3694
3695 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3696         struct wpa_supplicant *wpa_s, char *cmd)
3697 {
3698         int expire_age = atoi(cmd);
3699         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3700 }
3701
3702
3703 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3704         struct wpa_supplicant *wpa_s, char *cmd)
3705 {
3706         int expire_count = atoi(cmd);
3707         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3708 }
3709
3710
3711 static int wpa_supplicant_ctrl_iface_bss_flush(
3712         struct wpa_supplicant *wpa_s, char *cmd)
3713 {
3714         int flush_age = atoi(cmd);
3715
3716         if (flush_age == 0)
3717                 wpa_bss_flush(wpa_s);
3718         else
3719                 wpa_bss_flush_by_age(wpa_s, flush_age);
3720         return 0;
3721 }
3722
3723
3724 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3725 {
3726         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3727         /* MLME-DELETEKEYS.request */
3728         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3729         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3730         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3731         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3732 #ifdef CONFIG_IEEE80211W
3733         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3734         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3735 #endif /* CONFIG_IEEE80211W */
3736
3737         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3738                         0);
3739         /* MLME-SETPROTECTION.request(None) */
3740         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3741                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3742                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3743         wpa_sm_drop_sa(wpa_s->wpa);
3744 }
3745
3746
3747 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3748                                           char *addr)
3749 {
3750 #ifdef CONFIG_NO_SCAN_PROCESSING
3751         return -1;
3752 #else /* CONFIG_NO_SCAN_PROCESSING */
3753         u8 bssid[ETH_ALEN];
3754         struct wpa_bss *bss;
3755         struct wpa_ssid *ssid = wpa_s->current_ssid;
3756
3757         if (hwaddr_aton(addr, bssid)) {
3758                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3759                            "address '%s'", addr);
3760                 return -1;
3761         }
3762
3763         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3764
3765         if (!ssid) {
3766                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3767                            "configuration known for the target AP");
3768                 return -1;
3769         }
3770
3771         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
3772         if (!bss) {
3773                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3774                            "from BSS table");
3775                 return -1;
3776         }
3777
3778         /*
3779          * TODO: Find best network configuration block from configuration to
3780          * allow roaming to other networks
3781          */
3782
3783         wpa_s->reassociate = 1;
3784         wpa_supplicant_connect(wpa_s, bss, ssid);
3785
3786         return 0;
3787 #endif /* CONFIG_NO_SCAN_PROCESSING */
3788 }
3789
3790
3791 #ifdef CONFIG_P2P
3792 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3793 {
3794         unsigned int timeout = atoi(cmd);
3795         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3796         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3797         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
3798         char *pos;
3799         unsigned int search_delay;
3800
3801         if (os_strstr(cmd, "type=social"))
3802                 type = P2P_FIND_ONLY_SOCIAL;
3803         else if (os_strstr(cmd, "type=progressive"))
3804                 type = P2P_FIND_PROGRESSIVE;
3805
3806         pos = os_strstr(cmd, "dev_id=");
3807         if (pos) {
3808                 pos += 7;
3809                 if (hwaddr_aton(pos, dev_id))
3810                         return -1;
3811                 _dev_id = dev_id;
3812         }
3813
3814         pos = os_strstr(cmd, "dev_type=");
3815         if (pos) {
3816                 pos += 9;
3817                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
3818                         return -1;
3819                 _dev_type = dev_type;
3820         }
3821
3822         pos = os_strstr(cmd, "delay=");
3823         if (pos) {
3824                 pos += 6;
3825                 search_delay = atoi(pos);
3826         } else
3827                 search_delay = wpas_p2p_search_delay(wpa_s);
3828
3829         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
3830                              _dev_id, search_delay);
3831 }
3832
3833
3834 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3835                             char *buf, size_t buflen)
3836 {
3837         u8 addr[ETH_ALEN];
3838         char *pos, *pos2;
3839         char *pin = NULL;
3840         enum p2p_wps_method wps_method;
3841         int new_pin;
3842         int ret;
3843         int persistent_group, persistent_id = -1;
3844         int join;
3845         int auth;
3846         int automatic;
3847         int go_intent = -1;
3848         int freq = 0;
3849         int pd;
3850         int ht40, vht;
3851
3852         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3853          * [persistent|persistent=<network id>]
3854          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3855          * [ht40] [vht] */
3856
3857         if (hwaddr_aton(cmd, addr))
3858                 return -1;
3859
3860         pos = cmd + 17;
3861         if (*pos != ' ')
3862                 return -1;
3863         pos++;
3864
3865         persistent_group = os_strstr(pos, " persistent") != NULL;
3866         pos2 = os_strstr(pos, " persistent=");
3867         if (pos2) {
3868                 struct wpa_ssid *ssid;
3869                 persistent_id = atoi(pos2 + 12);
3870                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3871                 if (ssid == NULL || ssid->disabled != 2 ||
3872                     ssid->mode != WPAS_MODE_P2P_GO) {
3873                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3874                                    "SSID id=%d for persistent P2P group (GO)",
3875                                    persistent_id);
3876                         return -1;
3877                 }
3878         }
3879         join = os_strstr(pos, " join") != NULL;
3880         auth = os_strstr(pos, " auth") != NULL;
3881         automatic = os_strstr(pos, " auto") != NULL;
3882         pd = os_strstr(pos, " provdisc") != NULL;
3883         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
3884         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
3885                 vht;
3886
3887         pos2 = os_strstr(pos, " go_intent=");
3888         if (pos2) {
3889                 pos2 += 11;
3890                 go_intent = atoi(pos2);
3891                 if (go_intent < 0 || go_intent > 15)
3892                         return -1;
3893         }
3894
3895         pos2 = os_strstr(pos, " freq=");
3896         if (pos2) {
3897                 pos2 += 6;
3898                 freq = atoi(pos2);
3899                 if (freq <= 0)
3900                         return -1;
3901         }
3902
3903         if (os_strncmp(pos, "pin", 3) == 0) {
3904                 /* Request random PIN (to be displayed) and enable the PIN */
3905                 wps_method = WPS_PIN_DISPLAY;
3906         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3907                 wps_method = WPS_PBC;
3908         } else {
3909                 pin = pos;
3910                 pos = os_strchr(pin, ' ');
3911                 wps_method = WPS_PIN_KEYPAD;
3912                 if (pos) {
3913                         *pos++ = '\0';
3914                         if (os_strncmp(pos, "display", 7) == 0)
3915                                 wps_method = WPS_PIN_DISPLAY;
3916                 }
3917                 if (!wps_pin_str_valid(pin)) {
3918                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3919                         return 17;
3920                 }
3921         }
3922
3923         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3924                                    persistent_group, automatic, join,
3925                                    auth, go_intent, freq, persistent_id, pd,
3926                                    ht40, vht);
3927         if (new_pin == -2) {
3928                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3929                 return 25;
3930         }
3931         if (new_pin == -3) {
3932                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3933                 return 25;
3934         }
3935         if (new_pin < 0)
3936                 return -1;
3937         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3938                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3939                 if (ret < 0 || (size_t) ret >= buflen)
3940                         return -1;
3941                 return ret;
3942         }
3943
3944         os_memcpy(buf, "OK\n", 3);
3945         return 3;
3946 }
3947
3948
3949 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3950 {
3951         unsigned int timeout = atoi(cmd);
3952         return wpas_p2p_listen(wpa_s, timeout);
3953 }
3954
3955
3956 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3957 {
3958         u8 addr[ETH_ALEN];
3959         char *pos;
3960         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3961
3962         /* <addr> <config method> [join|auto] */
3963
3964         if (hwaddr_aton(cmd, addr))
3965                 return -1;
3966
3967         pos = cmd + 17;
3968         if (*pos != ' ')
3969                 return -1;
3970         pos++;
3971
3972         if (os_strstr(pos, " join") != NULL)
3973                 use = WPAS_P2P_PD_FOR_JOIN;
3974         else if (os_strstr(pos, " auto") != NULL)
3975                 use = WPAS_P2P_PD_AUTO;
3976
3977         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3978 }
3979
3980
3981 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3982                               size_t buflen)
3983 {
3984         struct wpa_ssid *ssid = wpa_s->current_ssid;
3985
3986         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3987             ssid->passphrase == NULL)
3988                 return -1;
3989
3990         os_strlcpy(buf, ssid->passphrase, buflen);
3991         return os_strlen(buf);
3992 }
3993
3994
3995 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3996                                   char *buf, size_t buflen)
3997 {
3998         u64 ref;
3999         int res;
4000         u8 dst_buf[ETH_ALEN], *dst;
4001         struct wpabuf *tlvs;
4002         char *pos;
4003         size_t len;
4004
4005         if (hwaddr_aton(cmd, dst_buf))
4006                 return -1;
4007         dst = dst_buf;
4008         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
4009             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
4010                 dst = NULL;
4011         pos = cmd + 17;
4012         if (*pos != ' ')
4013                 return -1;
4014         pos++;
4015
4016         if (os_strncmp(pos, "upnp ", 5) == 0) {
4017                 u8 version;
4018                 pos += 5;
4019                 if (hexstr2bin(pos, &version, 1) < 0)
4020                         return -1;
4021                 pos += 2;
4022                 if (*pos != ' ')
4023                         return -1;
4024                 pos++;
4025                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
4026 #ifdef CONFIG_WIFI_DISPLAY
4027         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
4028                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
4029 #endif /* CONFIG_WIFI_DISPLAY */
4030         } else {
4031                 len = os_strlen(pos);
4032                 if (len & 1)
4033                         return -1;
4034                 len /= 2;
4035                 tlvs = wpabuf_alloc(len);
4036                 if (tlvs == NULL)
4037                         return -1;
4038                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
4039                         wpabuf_free(tlvs);
4040                         return -1;
4041                 }
4042
4043                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
4044                 wpabuf_free(tlvs);
4045         }
4046         if (ref == 0)
4047                 return -1;
4048         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
4049         if (res < 0 || (unsigned) res >= buflen)
4050                 return -1;
4051         return res;
4052 }
4053
4054
4055 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
4056                                          char *cmd)
4057 {
4058         long long unsigned val;
4059         u64 req;
4060         if (sscanf(cmd, "%llx", &val) != 1)
4061                 return -1;
4062         req = val;
4063         return wpas_p2p_sd_cancel_request(wpa_s, req);
4064 }
4065
4066
4067 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
4068 {
4069         int freq;
4070         u8 dst[ETH_ALEN];
4071         u8 dialog_token;
4072         struct wpabuf *resp_tlvs;
4073         char *pos, *pos2;
4074         size_t len;
4075
4076         pos = os_strchr(cmd, ' ');
4077         if (pos == NULL)
4078                 return -1;
4079         *pos++ = '\0';
4080         freq = atoi(cmd);
4081         if (freq == 0)
4082                 return -1;
4083
4084         if (hwaddr_aton(pos, dst))
4085                 return -1;
4086         pos += 17;
4087         if (*pos != ' ')
4088                 return -1;
4089         pos++;
4090
4091         pos2 = os_strchr(pos, ' ');
4092         if (pos2 == NULL)
4093                 return -1;
4094         *pos2++ = '\0';
4095         dialog_token = atoi(pos);
4096
4097         len = os_strlen(pos2);
4098         if (len & 1)
4099                 return -1;
4100         len /= 2;
4101         resp_tlvs = wpabuf_alloc(len);
4102         if (resp_tlvs == NULL)
4103                 return -1;
4104         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
4105                 wpabuf_free(resp_tlvs);
4106                 return -1;
4107         }
4108
4109         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
4110         wpabuf_free(resp_tlvs);
4111         return 0;
4112 }
4113
4114
4115 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
4116                                        char *cmd)
4117 {
4118         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
4119                 return -1;
4120         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
4121         return 0;
4122 }
4123
4124
4125 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
4126                                         char *cmd)
4127 {
4128         char *pos;
4129         size_t len;
4130         struct wpabuf *query, *resp;
4131
4132         pos = os_strchr(cmd, ' ');
4133         if (pos == NULL)
4134                 return -1;
4135         *pos++ = '\0';
4136
4137         len = os_strlen(cmd);
4138         if (len & 1)
4139                 return -1;
4140         len /= 2;
4141         query = wpabuf_alloc(len);
4142         if (query == NULL)
4143                 return -1;
4144         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4145                 wpabuf_free(query);
4146                 return -1;
4147         }
4148
4149         len = os_strlen(pos);
4150         if (len & 1) {
4151                 wpabuf_free(query);
4152                 return -1;
4153         }
4154         len /= 2;
4155         resp = wpabuf_alloc(len);
4156         if (resp == NULL) {
4157                 wpabuf_free(query);
4158                 return -1;
4159         }
4160         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
4161                 wpabuf_free(query);
4162                 wpabuf_free(resp);
4163                 return -1;
4164         }
4165
4166         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
4167                 wpabuf_free(query);
4168                 wpabuf_free(resp);
4169                 return -1;
4170         }
4171         return 0;
4172 }
4173
4174
4175 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4176 {
4177         char *pos;
4178         u8 version;
4179
4180         pos = os_strchr(cmd, ' ');
4181         if (pos == NULL)
4182                 return -1;
4183         *pos++ = '\0';
4184
4185         if (hexstr2bin(cmd, &version, 1) < 0)
4186                 return -1;
4187
4188         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
4189 }
4190
4191
4192 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
4193 {
4194         char *pos;
4195
4196         pos = os_strchr(cmd, ' ');
4197         if (pos == NULL)
4198                 return -1;
4199         *pos++ = '\0';
4200
4201         if (os_strcmp(cmd, "bonjour") == 0)
4202                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
4203         if (os_strcmp(cmd, "upnp") == 0)
4204                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
4205         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4206         return -1;
4207 }
4208
4209
4210 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
4211                                         char *cmd)
4212 {
4213         size_t len;
4214         struct wpabuf *query;
4215         int ret;
4216
4217         len = os_strlen(cmd);
4218         if (len & 1)
4219                 return -1;
4220         len /= 2;
4221         query = wpabuf_alloc(len);
4222         if (query == NULL)
4223                 return -1;
4224         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4225                 wpabuf_free(query);
4226                 return -1;
4227         }
4228
4229         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
4230         wpabuf_free(query);
4231         return ret;
4232 }
4233
4234
4235 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4236 {
4237         char *pos;
4238         u8 version;
4239
4240         pos = os_strchr(cmd, ' ');
4241         if (pos == NULL)
4242                 return -1;
4243         *pos++ = '\0';
4244
4245         if (hexstr2bin(cmd, &version, 1) < 0)
4246                 return -1;
4247
4248         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4249 }
4250
4251
4252 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4253 {
4254         char *pos;
4255
4256         pos = os_strchr(cmd, ' ');
4257         if (pos == NULL)
4258                 return -1;
4259         *pos++ = '\0';
4260
4261         if (os_strcmp(cmd, "bonjour") == 0)
4262                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4263         if (os_strcmp(cmd, "upnp") == 0)
4264                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
4265         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4266         return -1;
4267 }
4268
4269
4270 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4271 {
4272         u8 addr[ETH_ALEN];
4273
4274         /* <addr> */
4275
4276         if (hwaddr_aton(cmd, addr))
4277                 return -1;
4278
4279         return wpas_p2p_reject(wpa_s, addr);
4280 }
4281
4282
4283 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
4284 {
4285         char *pos;
4286         int id;
4287         struct wpa_ssid *ssid;
4288         u8 *_peer = NULL, peer[ETH_ALEN];
4289         int freq = 0, pref_freq = 0;
4290         int ht40, vht;
4291
4292         id = atoi(cmd);
4293         pos = os_strstr(cmd, " peer=");
4294         if (pos) {
4295                 pos += 6;
4296                 if (hwaddr_aton(pos, peer))
4297                         return -1;
4298                 _peer = peer;
4299         }
4300         ssid = wpa_config_get_network(wpa_s->conf, id);
4301         if (ssid == NULL || ssid->disabled != 2) {
4302                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4303                            "for persistent P2P group",
4304                            id);
4305                 return -1;
4306         }
4307
4308         pos = os_strstr(cmd, " freq=");
4309         if (pos) {
4310                 pos += 6;
4311                 freq = atoi(pos);
4312                 if (freq <= 0)
4313                         return -1;
4314         }
4315
4316         pos = os_strstr(cmd, " pref=");
4317         if (pos) {
4318                 pos += 6;
4319                 pref_freq = atoi(pos);
4320                 if (pref_freq <= 0)
4321                         return -1;
4322         }
4323
4324         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4325         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4326                 vht;
4327
4328         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
4329                                pref_freq);
4330 }
4331
4332
4333 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4334 {
4335         char *pos;
4336         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4337
4338         pos = os_strstr(cmd, " peer=");
4339         if (!pos)
4340                 return -1;
4341
4342         *pos = '\0';
4343         pos += 6;
4344         if (hwaddr_aton(pos, peer)) {
4345                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4346                 return -1;
4347         }
4348
4349         pos = os_strstr(pos, " go_dev_addr=");
4350         if (pos) {
4351                 pos += 13;
4352                 if (hwaddr_aton(pos, go_dev_addr)) {
4353                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4354                                    pos);
4355                         return -1;
4356                 }
4357                 go_dev = go_dev_addr;
4358         }
4359
4360         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4361 }
4362
4363
4364 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4365 {
4366         if (os_strncmp(cmd, "persistent=", 11) == 0)
4367                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4368         if (os_strncmp(cmd, "group=", 6) == 0)
4369                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4370
4371         return -1;
4372 }
4373
4374
4375 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4376                                          char *cmd, int freq, int ht40,
4377                                          int vht)
4378 {
4379         int id;
4380         struct wpa_ssid *ssid;
4381
4382         id = atoi(cmd);
4383         ssid = wpa_config_get_network(wpa_s->conf, id);
4384         if (ssid == NULL || ssid->disabled != 2) {
4385                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4386                            "for persistent P2P group",
4387                            id);
4388                 return -1;
4389         }
4390
4391         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
4392                                              NULL, 0);
4393 }
4394
4395
4396 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4397 {
4398         int freq = 0, ht40, vht;
4399         char *pos;
4400
4401         pos = os_strstr(cmd, "freq=");
4402         if (pos)
4403                 freq = atoi(pos + 5);
4404
4405         vht = (os_strstr(cmd, "vht") != NULL) || wpa_s->conf->p2p_go_vht;
4406         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4407                 vht;
4408
4409         if (os_strncmp(cmd, "persistent=", 11) == 0)
4410                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4411                                                      ht40, vht);
4412         if (os_strcmp(cmd, "persistent") == 0 ||
4413             os_strncmp(cmd, "persistent ", 11) == 0)
4414                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40, vht);
4415         if (os_strncmp(cmd, "freq=", 5) == 0)
4416                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4417         if (ht40)
4418                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4419
4420         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4421                    cmd);
4422         return -1;
4423 }
4424
4425
4426 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4427                          char *buf, size_t buflen)
4428 {
4429         u8 addr[ETH_ALEN], *addr_ptr;
4430         int next, res;
4431         const struct p2p_peer_info *info;
4432         char *pos, *end;
4433         char devtype[WPS_DEV_TYPE_BUFSIZE];
4434         struct wpa_ssid *ssid;
4435         size_t i;
4436
4437         if (!wpa_s->global->p2p)
4438                 return -1;
4439
4440         if (os_strcmp(cmd, "FIRST") == 0) {
4441                 addr_ptr = NULL;
4442                 next = 0;
4443         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4444                 if (hwaddr_aton(cmd + 5, addr) < 0)
4445                         return -1;
4446                 addr_ptr = addr;
4447                 next = 1;
4448         } else {
4449                 if (hwaddr_aton(cmd, addr) < 0)
4450                         return -1;
4451                 addr_ptr = addr;
4452                 next = 0;
4453         }
4454
4455         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4456         if (info == NULL)
4457                 return -1;
4458
4459         pos = buf;
4460         end = buf + buflen;
4461
4462         res = os_snprintf(pos, end - pos, MACSTR "\n"
4463                           "pri_dev_type=%s\n"
4464                           "device_name=%s\n"
4465                           "manufacturer=%s\n"
4466                           "model_name=%s\n"
4467                           "model_number=%s\n"
4468                           "serial_number=%s\n"
4469                           "config_methods=0x%x\n"
4470                           "dev_capab=0x%x\n"
4471                           "group_capab=0x%x\n"
4472                           "level=%d\n",
4473                           MAC2STR(info->p2p_device_addr),
4474                           wps_dev_type_bin2str(info->pri_dev_type,
4475                                                devtype, sizeof(devtype)),
4476                           info->device_name,
4477                           info->manufacturer,
4478                           info->model_name,
4479                           info->model_number,
4480                           info->serial_number,
4481                           info->config_methods,
4482                           info->dev_capab,
4483                           info->group_capab,
4484                           info->level);
4485         if (res < 0 || res >= end - pos)
4486                 return pos - buf;
4487         pos += res;
4488
4489         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4490         {
4491                 const u8 *t;
4492                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4493                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4494                                   wps_dev_type_bin2str(t, devtype,
4495                                                        sizeof(devtype)));
4496                 if (res < 0 || res >= end - pos)
4497                         return pos - buf;
4498                 pos += res;
4499         }
4500
4501         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4502         if (ssid) {
4503                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4504                 if (res < 0 || res >= end - pos)
4505                         return pos - buf;
4506                 pos += res;
4507         }
4508
4509         res = p2p_get_peer_info_txt(info, pos, end - pos);
4510         if (res < 0)
4511                 return pos - buf;
4512         pos += res;
4513
4514         return pos - buf;
4515 }
4516
4517
4518 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4519                                   const char *param)
4520 {
4521         unsigned int i;
4522
4523         if (wpa_s->global->p2p == NULL)
4524                 return -1;
4525
4526         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
4527                 return -1;
4528
4529         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
4530                 struct wpa_freq_range *freq;
4531                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
4532                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4533                            freq->min, freq->max);
4534         }
4535
4536         wpas_p2p_update_channel_list(wpa_s);
4537         return 0;
4538 }
4539
4540
4541 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4542 {
4543         char *param;
4544
4545         if (wpa_s->global->p2p == NULL)
4546                 return -1;
4547
4548         param = os_strchr(cmd, ' ');
4549         if (param == NULL)
4550                 return -1;
4551         *param++ = '\0';
4552
4553         if (os_strcmp(cmd, "discoverability") == 0) {
4554                 p2p_set_client_discoverability(wpa_s->global->p2p,
4555                                                atoi(param));
4556                 return 0;
4557         }
4558
4559         if (os_strcmp(cmd, "managed") == 0) {
4560                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4561                 return 0;
4562         }
4563
4564         if (os_strcmp(cmd, "listen_channel") == 0) {
4565                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4566                                               atoi(param));
4567         }
4568
4569         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4570                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4571                                             os_strlen(param));
4572         }
4573
4574         if (os_strcmp(cmd, "noa") == 0) {
4575                 char *pos;
4576                 int count, start, duration;
4577                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4578                 count = atoi(param);
4579                 pos = os_strchr(param, ',');
4580                 if (pos == NULL)
4581                         return -1;
4582                 pos++;
4583                 start = atoi(pos);
4584                 pos = os_strchr(pos, ',');
4585                 if (pos == NULL)
4586                         return -1;
4587                 pos++;
4588                 duration = atoi(pos);
4589                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4590                         return -1;
4591                 if (count == 0 && duration > 0)
4592                         return -1;
4593                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4594                            "start=%d duration=%d", count, start, duration);
4595                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4596         }
4597
4598         if (os_strcmp(cmd, "ps") == 0)
4599                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4600
4601         if (os_strcmp(cmd, "oppps") == 0)
4602                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4603
4604         if (os_strcmp(cmd, "ctwindow") == 0)
4605                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4606
4607         if (os_strcmp(cmd, "disabled") == 0) {
4608                 wpa_s->global->p2p_disabled = atoi(param);
4609                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4610                            wpa_s->global->p2p_disabled ?
4611                            "disabled" : "enabled");
4612                 if (wpa_s->global->p2p_disabled) {
4613                         wpas_p2p_stop_find(wpa_s);
4614                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4615                         p2p_flush(wpa_s->global->p2p);
4616                 }
4617                 return 0;
4618         }
4619
4620         if (os_strcmp(cmd, "conc_pref") == 0) {
4621                 if (os_strcmp(param, "sta") == 0)
4622                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4623                 else if (os_strcmp(param, "p2p") == 0)
4624                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4625                 else {
4626                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4627                         return -1;
4628                 }
4629                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4630                            "%s", param);
4631                 return 0;
4632         }
4633
4634         if (os_strcmp(cmd, "force_long_sd") == 0) {
4635                 wpa_s->force_long_sd = atoi(param);
4636                 return 0;
4637         }
4638
4639         if (os_strcmp(cmd, "peer_filter") == 0) {
4640                 u8 addr[ETH_ALEN];
4641                 if (hwaddr_aton(param, addr))
4642                         return -1;
4643                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4644                 return 0;
4645         }
4646
4647         if (os_strcmp(cmd, "cross_connect") == 0)
4648                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4649
4650         if (os_strcmp(cmd, "go_apsd") == 0) {
4651                 if (os_strcmp(param, "disable") == 0)
4652                         wpa_s->set_ap_uapsd = 0;
4653                 else {
4654                         wpa_s->set_ap_uapsd = 1;
4655                         wpa_s->ap_uapsd = atoi(param);
4656                 }
4657                 return 0;
4658         }
4659
4660         if (os_strcmp(cmd, "client_apsd") == 0) {
4661                 if (os_strcmp(param, "disable") == 0)
4662                         wpa_s->set_sta_uapsd = 0;
4663                 else {
4664                         int be, bk, vi, vo;
4665                         char *pos;
4666                         /* format: BE,BK,VI,VO;max SP Length */
4667                         be = atoi(param);
4668                         pos = os_strchr(param, ',');
4669                         if (pos == NULL)
4670                                 return -1;
4671                         pos++;
4672                         bk = atoi(pos);
4673                         pos = os_strchr(pos, ',');
4674                         if (pos == NULL)
4675                                 return -1;
4676                         pos++;
4677                         vi = atoi(pos);
4678                         pos = os_strchr(pos, ',');
4679                         if (pos == NULL)
4680                                 return -1;
4681                         pos++;
4682                         vo = atoi(pos);
4683                         /* ignore max SP Length for now */
4684
4685                         wpa_s->set_sta_uapsd = 1;
4686                         wpa_s->sta_uapsd = 0;
4687                         if (be)
4688                                 wpa_s->sta_uapsd |= BIT(0);
4689                         if (bk)
4690                                 wpa_s->sta_uapsd |= BIT(1);
4691                         if (vi)
4692                                 wpa_s->sta_uapsd |= BIT(2);
4693                         if (vo)
4694                                 wpa_s->sta_uapsd |= BIT(3);
4695                 }
4696                 return 0;
4697         }
4698
4699         if (os_strcmp(cmd, "disallow_freq") == 0)
4700                 return p2p_ctrl_disallow_freq(wpa_s, param);
4701
4702         if (os_strcmp(cmd, "disc_int") == 0) {
4703                 int min_disc_int, max_disc_int, max_disc_tu;
4704                 char *pos;
4705
4706                 pos = param;
4707
4708                 min_disc_int = atoi(pos);
4709                 pos = os_strchr(pos, ' ');
4710                 if (pos == NULL)
4711                         return -1;
4712                 *pos++ = '\0';
4713
4714                 max_disc_int = atoi(pos);
4715                 pos = os_strchr(pos, ' ');
4716                 if (pos == NULL)
4717                         return -1;
4718                 *pos++ = '\0';
4719
4720                 max_disc_tu = atoi(pos);
4721
4722                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4723                                         max_disc_int, max_disc_tu);
4724         }
4725
4726         if (os_strcmp(cmd, "per_sta_psk") == 0) {
4727                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
4728                 return 0;
4729         }
4730
4731 #ifdef CONFIG_WPS_NFC
4732         if (os_strcmp(cmd, "nfc_tag") == 0)
4733                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
4734 #endif /* CONFIG_WPS_NFC */
4735
4736         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
4737                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
4738                 return 0;
4739         }
4740
4741         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4742                    cmd);
4743
4744         return -1;
4745 }
4746
4747
4748 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
4749 {
4750         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4751         wpa_s->force_long_sd = 0;
4752         if (wpa_s->global->p2p)
4753                 p2p_flush(wpa_s->global->p2p);
4754 }
4755
4756
4757 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4758 {
4759         char *pos, *pos2;
4760         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4761
4762         if (cmd[0]) {
4763                 pos = os_strchr(cmd, ' ');
4764                 if (pos == NULL)
4765                         return -1;
4766                 *pos++ = '\0';
4767                 dur1 = atoi(cmd);
4768
4769                 pos2 = os_strchr(pos, ' ');
4770                 if (pos2)
4771                         *pos2++ = '\0';
4772                 int1 = atoi(pos);
4773         } else
4774                 pos2 = NULL;
4775
4776         if (pos2) {
4777                 pos = os_strchr(pos2, ' ');
4778                 if (pos == NULL)
4779                         return -1;
4780                 *pos++ = '\0';
4781                 dur2 = atoi(pos2);
4782                 int2 = atoi(pos);
4783         }
4784
4785         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4786 }
4787
4788
4789 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4790 {
4791         char *pos;
4792         unsigned int period = 0, interval = 0;
4793
4794         if (cmd[0]) {
4795                 pos = os_strchr(cmd, ' ');
4796                 if (pos == NULL)
4797                         return -1;
4798                 *pos++ = '\0';
4799                 period = atoi(cmd);
4800                 interval = atoi(pos);
4801         }
4802
4803         return wpas_p2p_ext_listen(wpa_s, period, interval);
4804 }
4805
4806
4807 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
4808 {
4809         const char *pos;
4810         u8 peer[ETH_ALEN];
4811         int iface_addr = 0;
4812
4813         pos = cmd;
4814         if (os_strncmp(pos, "iface=", 6) == 0) {
4815                 iface_addr = 1;
4816                 pos += 6;
4817         }
4818         if (hwaddr_aton(pos, peer))
4819                 return -1;
4820
4821         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
4822         return 0;
4823 }
4824
4825 #endif /* CONFIG_P2P */
4826
4827
4828 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
4829 {
4830         struct wpa_freq_range_list ranges;
4831         int *freqs = NULL;
4832         struct hostapd_hw_modes *mode;
4833         u16 i;
4834
4835         if (wpa_s->hw.modes == NULL)
4836                 return NULL;
4837
4838         os_memset(&ranges, 0, sizeof(ranges));
4839         if (freq_range_list_parse(&ranges, val) < 0)
4840                 return NULL;
4841
4842         for (i = 0; i < wpa_s->hw.num_modes; i++) {
4843                 int j;
4844
4845                 mode = &wpa_s->hw.modes[i];
4846                 for (j = 0; j < mode->num_channels; j++) {
4847                         unsigned int freq;
4848
4849                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
4850                                 continue;
4851
4852                         freq = mode->channels[j].freq;
4853                         if (!freq_range_list_includes(&ranges, freq))
4854                                 continue;
4855
4856                         int_array_add_unique(&freqs, freq);
4857                 }
4858         }
4859
4860         os_free(ranges.range);
4861         return freqs;
4862 }
4863
4864
4865 #ifdef CONFIG_INTERWORKING
4866
4867 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
4868 {
4869         int auto_sel = 0;
4870         int *freqs = NULL;
4871
4872         if (param) {
4873                 char *pos;
4874
4875                 auto_sel = os_strstr(param, "auto") != NULL;
4876
4877                 pos = os_strstr(param, "freq=");
4878                 if (pos) {
4879                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
4880                         if (freqs == NULL)
4881                                 return -1;
4882                 }
4883
4884         }
4885
4886         return interworking_select(wpa_s, auto_sel, freqs);
4887 }
4888
4889
4890 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4891 {
4892         u8 bssid[ETH_ALEN];
4893         struct wpa_bss *bss;
4894
4895         if (hwaddr_aton(dst, bssid)) {
4896                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4897                 return -1;
4898         }
4899
4900         bss = wpa_bss_get_bssid(wpa_s, bssid);
4901         if (bss == NULL) {
4902                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4903                            MAC2STR(bssid));
4904                 return -1;
4905         }
4906
4907         return interworking_connect(wpa_s, bss);
4908 }
4909
4910
4911 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4912 {
4913         u8 dst_addr[ETH_ALEN];
4914         int used;
4915         char *pos;
4916 #define MAX_ANQP_INFO_ID 100
4917         u16 id[MAX_ANQP_INFO_ID];
4918         size_t num_id = 0;
4919
4920         used = hwaddr_aton2(dst, dst_addr);
4921         if (used < 0)
4922                 return -1;
4923         pos = dst + used;
4924         while (num_id < MAX_ANQP_INFO_ID) {
4925                 id[num_id] = atoi(pos);
4926                 if (id[num_id])
4927                         num_id++;
4928                 pos = os_strchr(pos + 1, ',');
4929                 if (pos == NULL)
4930                         break;
4931                 pos++;
4932         }
4933
4934         if (num_id == 0)
4935                 return -1;
4936
4937         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4938 }
4939
4940
4941 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4942 {
4943         u8 dst_addr[ETH_ALEN];
4944         struct wpabuf *advproto, *query = NULL;
4945         int used, ret = -1;
4946         char *pos, *end;
4947         size_t len;
4948
4949         used = hwaddr_aton2(cmd, dst_addr);
4950         if (used < 0)
4951                 return -1;
4952
4953         pos = cmd + used;
4954         while (*pos == ' ')
4955                 pos++;
4956
4957         /* Advertisement Protocol ID */
4958         end = os_strchr(pos, ' ');
4959         if (end)
4960                 len = end - pos;
4961         else
4962                 len = os_strlen(pos);
4963         if (len & 0x01)
4964                 return -1;
4965         len /= 2;
4966         if (len == 0)
4967                 return -1;
4968         advproto = wpabuf_alloc(len);
4969         if (advproto == NULL)
4970                 return -1;
4971         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4972                 goto fail;
4973
4974         if (end) {
4975                 /* Optional Query Request */
4976                 pos = end + 1;
4977                 while (*pos == ' ')
4978                         pos++;
4979
4980                 len = os_strlen(pos);
4981                 if (len) {
4982                         if (len & 0x01)
4983                                 goto fail;
4984                         len /= 2;
4985                         if (len == 0)
4986                                 goto fail;
4987                         query = wpabuf_alloc(len);
4988                         if (query == NULL)
4989                                 goto fail;
4990                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4991                                 goto fail;
4992                 }
4993         }
4994
4995         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4996
4997 fail:
4998         wpabuf_free(advproto);
4999         wpabuf_free(query);
5000
5001         return ret;
5002 }
5003
5004
5005 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
5006                             size_t buflen)
5007 {
5008         u8 addr[ETH_ALEN];
5009         int dialog_token;
5010         int used;
5011         char *pos;
5012         size_t resp_len, start, requested_len;
5013         struct wpabuf *resp;
5014         int ret;
5015
5016         used = hwaddr_aton2(cmd, addr);
5017         if (used < 0)
5018                 return -1;
5019
5020         pos = cmd + used;
5021         while (*pos == ' ')
5022                 pos++;
5023         dialog_token = atoi(pos);
5024
5025         if (wpa_s->last_gas_resp &&
5026             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
5027             dialog_token == wpa_s->last_gas_dialog_token)
5028                 resp = wpa_s->last_gas_resp;
5029         else if (wpa_s->prev_gas_resp &&
5030                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
5031                  dialog_token == wpa_s->prev_gas_dialog_token)
5032                 resp = wpa_s->prev_gas_resp;
5033         else
5034                 return -1;
5035
5036         resp_len = wpabuf_len(resp);
5037         start = 0;
5038         requested_len = resp_len;
5039
5040         pos = os_strchr(pos, ' ');
5041         if (pos) {
5042                 start = atoi(pos);
5043                 if (start > resp_len)
5044                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
5045                 pos = os_strchr(pos, ',');
5046                 if (pos == NULL)
5047                         return -1;
5048                 pos++;
5049                 requested_len = atoi(pos);
5050                 if (start + requested_len > resp_len)
5051                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
5052         }
5053
5054         if (requested_len * 2 + 1 > buflen)
5055                 return os_snprintf(buf, buflen, "FAIL-Too long response");
5056
5057         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
5058                                requested_len);
5059
5060         if (start + requested_len == resp_len) {
5061                 /*
5062                  * Free memory by dropping the response after it has been
5063                  * fetched.
5064                  */
5065                 if (resp == wpa_s->prev_gas_resp) {
5066                         wpabuf_free(wpa_s->prev_gas_resp);
5067                         wpa_s->prev_gas_resp = NULL;
5068                 } else {
5069                         wpabuf_free(wpa_s->last_gas_resp);
5070                         wpa_s->last_gas_resp = NULL;
5071                 }
5072         }
5073
5074         return ret;
5075 }
5076 #endif /* CONFIG_INTERWORKING */
5077
5078
5079 #ifdef CONFIG_HS20
5080
5081 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
5082 {
5083         u8 dst_addr[ETH_ALEN];
5084         int used;
5085         char *pos;
5086         u32 subtypes = 0;
5087
5088         used = hwaddr_aton2(dst, dst_addr);
5089         if (used < 0)
5090                 return -1;
5091         pos = dst + used;
5092         for (;;) {
5093                 int num = atoi(pos);
5094                 if (num <= 0 || num > 31)
5095                         return -1;
5096                 subtypes |= BIT(num);
5097                 pos = os_strchr(pos + 1, ',');
5098                 if (pos == NULL)
5099                         break;
5100                 pos++;
5101         }
5102
5103         if (subtypes == 0)
5104                 return -1;
5105
5106         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
5107 }
5108
5109
5110 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5111                                     const u8 *addr, const char *realm)
5112 {
5113         u8 *buf;
5114         size_t rlen, len;
5115         int ret;
5116
5117         rlen = os_strlen(realm);
5118         len = 3 + rlen;
5119         buf = os_malloc(len);
5120         if (buf == NULL)
5121                 return -1;
5122         buf[0] = 1; /* NAI Home Realm Count */
5123         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
5124         buf[2] = rlen;
5125         os_memcpy(buf + 3, realm, rlen);
5126
5127         ret = hs20_anqp_send_req(wpa_s, addr,
5128                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5129                                  buf, len);
5130
5131         os_free(buf);
5132
5133         return ret;
5134 }
5135
5136
5137 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5138                                         char *dst)
5139 {
5140         struct wpa_cred *cred = wpa_s->conf->cred;
5141         u8 dst_addr[ETH_ALEN];
5142         int used;
5143         u8 *buf;
5144         size_t len;
5145         int ret;
5146
5147         used = hwaddr_aton2(dst, dst_addr);
5148         if (used < 0)
5149                 return -1;
5150
5151         while (dst[used] == ' ')
5152                 used++;
5153         if (os_strncmp(dst + used, "realm=", 6) == 0)
5154                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
5155                                                 dst + used + 6);
5156
5157         len = os_strlen(dst + used);
5158
5159         if (len == 0 && cred && cred->realm)
5160                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
5161
5162         if (len % 1)
5163                 return -1;
5164         len /= 2;
5165         buf = os_malloc(len);
5166         if (buf == NULL)
5167                 return -1;
5168         if (hexstr2bin(dst + used, buf, len) < 0) {
5169                 os_free(buf);
5170                 return -1;
5171         }
5172
5173         ret = hs20_anqp_send_req(wpa_s, dst_addr,
5174                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5175                                  buf, len);
5176         os_free(buf);
5177
5178         return ret;
5179 }
5180
5181 #endif /* CONFIG_HS20 */
5182
5183
5184 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
5185         struct wpa_supplicant *wpa_s, char *cmd)
5186 {
5187         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
5188         return 0;
5189 }
5190
5191
5192 #ifdef CONFIG_AUTOSCAN
5193
5194 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
5195                                               char *cmd)
5196 {
5197         enum wpa_states state = wpa_s->wpa_state;
5198         char *new_params = NULL;
5199
5200         if (os_strlen(cmd) > 0) {
5201                 new_params = os_strdup(cmd);
5202                 if (new_params == NULL)
5203                         return -1;
5204         }
5205
5206         os_free(wpa_s->conf->autoscan);
5207         wpa_s->conf->autoscan = new_params;
5208
5209         if (wpa_s->conf->autoscan == NULL)
5210                 autoscan_deinit(wpa_s);
5211         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
5212                 autoscan_init(wpa_s, 1);
5213         else if (state == WPA_SCANNING)
5214                 wpa_supplicant_reinit_autoscan(wpa_s);
5215
5216         return 0;
5217 }
5218
5219 #endif /* CONFIG_AUTOSCAN */
5220
5221
5222 #ifdef CONFIG_WNM
5223
5224 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
5225 {
5226         int enter;
5227         int intval = 0;
5228         char *pos;
5229         int ret;
5230         struct wpabuf *tfs_req = NULL;
5231
5232         if (os_strncmp(cmd, "enter", 5) == 0)
5233                 enter = 1;
5234         else if (os_strncmp(cmd, "exit", 4) == 0)
5235                 enter = 0;
5236         else
5237                 return -1;
5238
5239         pos = os_strstr(cmd, " interval=");
5240         if (pos)
5241                 intval = atoi(pos + 10);
5242
5243         pos = os_strstr(cmd, " tfs_req=");
5244         if (pos) {
5245                 char *end;
5246                 size_t len;
5247                 pos += 9;
5248                 end = os_strchr(pos, ' ');
5249                 if (end)
5250                         len = end - pos;
5251                 else
5252                         len = os_strlen(pos);
5253                 if (len & 1)
5254                         return -1;
5255                 len /= 2;
5256                 tfs_req = wpabuf_alloc(len);
5257                 if (tfs_req == NULL)
5258                         return -1;
5259                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
5260                         wpabuf_free(tfs_req);
5261                         return -1;
5262                 }
5263         }
5264
5265         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
5266                                            WNM_SLEEP_MODE_EXIT, intval,
5267                                            tfs_req);
5268         wpabuf_free(tfs_req);
5269
5270         return ret;
5271 }
5272
5273
5274 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
5275 {
5276         int query_reason;
5277
5278         query_reason = atoi(cmd);
5279
5280         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
5281                    query_reason);
5282
5283         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
5284 }
5285
5286 #endif /* CONFIG_WNM */
5287
5288
5289 /* Get string representation of channel width */
5290 static const char * channel_width_name(enum chan_width width)
5291 {
5292         switch (width) {
5293         case CHAN_WIDTH_20_NOHT:
5294                 return "20 MHz (no HT)";
5295         case CHAN_WIDTH_20:
5296                 return "20 MHz";
5297         case CHAN_WIDTH_40:
5298                 return "40 MHz";
5299         case CHAN_WIDTH_80:
5300                 return "80 MHz";
5301         case CHAN_WIDTH_80P80:
5302                 return "80+80 MHz";
5303         case CHAN_WIDTH_160:
5304                 return "160 MHz";
5305         default:
5306                 return "unknown";
5307         }
5308 }
5309
5310
5311 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
5312                                       size_t buflen)
5313 {
5314         struct wpa_signal_info si;
5315         int ret;
5316         char *pos, *end;
5317
5318         ret = wpa_drv_signal_poll(wpa_s, &si);
5319         if (ret)
5320                 return -1;
5321
5322         pos = buf;
5323         end = buf + buflen;
5324
5325         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
5326                           "NOISE=%d\nFREQUENCY=%u\n",
5327                           si.current_signal, si.current_txrate / 1000,
5328                           si.current_noise, si.frequency);
5329         if (ret < 0 || ret > end - pos)
5330                 return -1;
5331         pos += ret;
5332
5333         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
5334                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
5335                                   channel_width_name(si.chanwidth));
5336                 if (ret < 0 || ret > end - pos)
5337                         return -1;
5338                 pos += ret;
5339         }
5340
5341         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
5342                 ret = os_snprintf(pos, end - pos,
5343                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
5344                                   si.center_frq1, si.center_frq2);
5345                 if (ret < 0 || ret > end - pos)
5346                         return -1;
5347                 pos += ret;
5348         }
5349
5350         if (si.avg_signal) {
5351                 ret = os_snprintf(pos, end - pos,
5352                                   "AVG_RSSI=%d\n", si.avg_signal);
5353                 if (ret < 0 || ret >= end - pos)
5354                         return -1;
5355                 pos += ret;
5356         }
5357
5358         return pos - buf;
5359 }
5360
5361
5362 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
5363                                       size_t buflen)
5364 {
5365         struct hostap_sta_driver_data sta;
5366         int ret;
5367
5368         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
5369         if (ret)
5370                 return -1;
5371
5372         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
5373                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
5374         if (ret < 0 || (size_t) ret > buflen)
5375                 return -1;
5376         return ret;
5377 }
5378
5379
5380 #ifdef ANDROID
5381 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
5382                                      char *buf, size_t buflen)
5383 {
5384         int ret;
5385
5386         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
5387         if (ret == 0) {
5388                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
5389                         struct p2p_data *p2p = wpa_s->global->p2p;
5390                         if (p2p) {
5391                                 char country[3];
5392                                 country[0] = cmd[8];
5393                                 country[1] = cmd[9];
5394                                 country[2] = 0x04;
5395                                 p2p_set_country(p2p, country);
5396                         }
5397                 }
5398                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
5399         }
5400         return ret;
5401 }
5402 #endif /* ANDROID */
5403
5404
5405 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
5406 {
5407         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
5408
5409 #ifdef CONFIG_P2P
5410         wpas_p2p_stop_find(wpa_s);
5411         p2p_ctrl_flush(wpa_s);
5412         wpas_p2p_group_remove(wpa_s, "*");
5413         wpas_p2p_service_flush(wpa_s);
5414         wpa_s->global->p2p_disabled = 0;
5415         wpa_s->global->p2p_per_sta_psk = 0;
5416         wpa_s->conf->num_sec_device_types = 0;
5417         wpa_s->p2p_disable_ip_addr_req = 0;
5418 #endif /* CONFIG_P2P */
5419
5420 #ifdef CONFIG_WPS_TESTING
5421         wps_version_number = 0x20;
5422         wps_testing_dummy_cred = 0;
5423         wps_corrupt_pkhash = 0;
5424 #endif /* CONFIG_WPS_TESTING */
5425 #ifdef CONFIG_WPS
5426         wpa_s->wps_fragment_size = 0;
5427         wpas_wps_cancel(wpa_s);
5428 #endif /* CONFIG_WPS */
5429         wpa_s->after_wps = 0;
5430         wpa_s->known_wps_freq = 0;
5431
5432 #ifdef CONFIG_TDLS
5433 #ifdef CONFIG_TDLS_TESTING
5434         extern unsigned int tdls_testing;
5435         tdls_testing = 0;
5436 #endif /* CONFIG_TDLS_TESTING */
5437         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
5438         wpa_tdls_enable(wpa_s->wpa, 1);
5439 #endif /* CONFIG_TDLS */
5440
5441         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
5442         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
5443
5444         wpa_s->no_keep_alive = 0;
5445
5446         os_free(wpa_s->disallow_aps_bssid);
5447         wpa_s->disallow_aps_bssid = NULL;
5448         wpa_s->disallow_aps_bssid_count = 0;
5449         os_free(wpa_s->disallow_aps_ssid);
5450         wpa_s->disallow_aps_ssid = NULL;
5451         wpa_s->disallow_aps_ssid_count = 0;
5452
5453         wpa_s->set_sta_uapsd = 0;
5454         wpa_s->sta_uapsd = 0;
5455
5456         wpa_drv_radio_disable(wpa_s, 0);
5457
5458         wpa_bss_flush(wpa_s);
5459         wpa_blacklist_clear(wpa_s);
5460         wpa_s->extra_blacklist_count = 0;
5461         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
5462         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
5463         wpa_config_flush_blobs(wpa_s->conf);
5464         wpa_s->conf->auto_interworking = 0;
5465         wpa_s->conf->okc = 0;
5466
5467         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
5468         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
5469         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
5470         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5471
5472         radio_remove_works(wpa_s, NULL, 1);
5473
5474         wpa_s->next_ssid = NULL;
5475 }
5476
5477
5478 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
5479                                      char *buf, size_t buflen)
5480 {
5481         struct wpa_radio_work *work;
5482         char *pos, *end;
5483         struct os_reltime now, diff;
5484
5485         pos = buf;
5486         end = buf + buflen;
5487
5488         os_get_reltime(&now);
5489
5490         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
5491         {
5492                 int ret;
5493
5494                 os_reltime_sub(&now, &work->time, &diff);
5495                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
5496                                   work->type, work->wpa_s->ifname, work->freq,
5497                                   work->started, diff.sec, diff.usec);
5498                 if (ret < 0 || ret >= end - pos)
5499                         break;
5500                 pos += ret;
5501         }
5502
5503         return pos - buf;
5504 }
5505
5506
5507 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
5508 {
5509         struct wpa_radio_work *work = eloop_ctx;
5510         struct wpa_external_work *ework = work->ctx;
5511
5512         wpa_dbg(work->wpa_s, MSG_DEBUG,
5513                 "Timing out external radio work %u (%s)",
5514                 ework->id, work->type);
5515         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
5516         os_free(ework);
5517         radio_work_done(work);
5518 }
5519
5520
5521 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
5522 {
5523         struct wpa_external_work *ework = work->ctx;
5524
5525         if (deinit) {
5526                 if (work->started)
5527                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
5528                                              work, NULL);
5529
5530                 os_free(ework);
5531                 return;
5532         }
5533
5534         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
5535                 ework->id, ework->type);
5536         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
5537         if (!ework->timeout)
5538                 ework->timeout = 10;
5539         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
5540                                work, NULL);
5541 }
5542
5543
5544 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
5545                                     char *buf, size_t buflen)
5546 {
5547         struct wpa_external_work *ework;
5548         char *pos, *pos2;
5549         size_t type_len;
5550         int ret;
5551         unsigned int freq = 0;
5552
5553         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
5554
5555         ework = os_zalloc(sizeof(*ework));
5556         if (ework == NULL)
5557                 return -1;
5558
5559         pos = os_strchr(cmd, ' ');
5560         if (pos) {
5561                 type_len = pos - cmd;
5562                 pos++;
5563
5564                 pos2 = os_strstr(pos, "freq=");
5565                 if (pos2)
5566                         freq = atoi(pos2 + 5);
5567
5568                 pos2 = os_strstr(pos, "timeout=");
5569                 if (pos2)
5570                         ework->timeout = atoi(pos2 + 8);
5571         } else {
5572                 type_len = os_strlen(cmd);
5573         }
5574         if (4 + type_len >= sizeof(ework->type))
5575                 type_len = sizeof(ework->type) - 4 - 1;
5576         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
5577         os_memcpy(ework->type + 4, cmd, type_len);
5578         ework->type[4 + type_len] = '\0';
5579
5580         wpa_s->ext_work_id++;
5581         if (wpa_s->ext_work_id == 0)
5582                 wpa_s->ext_work_id++;
5583         ework->id = wpa_s->ext_work_id;
5584
5585         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
5586                            ework) < 0) {
5587                 os_free(ework);
5588                 return -1;
5589         }
5590
5591         ret = os_snprintf(buf, buflen, "%u", ework->id);
5592         if (ret < 0 || (size_t) ret >= buflen)
5593                 return -1;
5594         return ret;
5595 }
5596
5597
5598 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
5599 {
5600         struct wpa_radio_work *work;
5601         unsigned int id = atoi(cmd);
5602
5603         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
5604         {
5605                 struct wpa_external_work *ework;
5606
5607                 if (os_strncmp(work->type, "ext:", 4) != 0)
5608                         continue;
5609                 ework = work->ctx;
5610                 if (id && ework->id != id)
5611                         continue;
5612                 wpa_dbg(wpa_s, MSG_DEBUG,
5613                         "Completed external radio work %u (%s)",
5614                         ework->id, ework->type);
5615                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
5616                 os_free(ework);
5617                 radio_work_done(work);
5618                 return 3; /* "OK\n" */
5619         }
5620
5621         return -1;
5622 }
5623
5624
5625 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
5626                                 char *buf, size_t buflen)
5627 {
5628         if (os_strcmp(cmd, "show") == 0)
5629                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
5630         if (os_strncmp(cmd, "add ", 4) == 0)
5631                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
5632         if (os_strncmp(cmd, "done ", 5) == 0)
5633                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
5634         return -1;
5635 }
5636
5637
5638 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
5639 {
5640         struct wpa_radio_work *work, *tmp;
5641
5642         if (!wpa_s || !wpa_s->radio)
5643                 return;
5644
5645         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
5646                               struct wpa_radio_work, list) {
5647                 struct wpa_external_work *ework;
5648
5649                 if (os_strncmp(work->type, "ext:", 4) != 0)
5650                         continue;
5651                 ework = work->ctx;
5652                 wpa_dbg(wpa_s, MSG_DEBUG,
5653                         "Flushing %sexternal radio work %u (%s)",
5654                         work->started ? " started" : "", ework->id,
5655                         ework->type);
5656                 if (work->started)
5657                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
5658                                              work, NULL);
5659                 os_free(ework);
5660                 radio_work_done(work);
5661         }
5662 }
5663
5664
5665 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
5666 {
5667         struct wpa_supplicant *wpa_s = eloop_ctx;
5668         eapol_sm_notify_ctrl_response(wpa_s->eapol);
5669 }
5670
5671
5672 static int set_scan_freqs(struct wpa_supplicant *wpa_s, char *val)
5673 {
5674         int *freqs = NULL;
5675
5676         freqs = freq_range_to_channel_list(wpa_s, val);
5677         if (freqs == NULL)
5678                 return -1;
5679
5680         os_free(wpa_s->manual_scan_freqs);
5681         wpa_s->manual_scan_freqs = freqs;
5682
5683         return 0;
5684 }
5685
5686
5687 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
5688                            char *reply, int reply_size, int *reply_len)
5689 {
5690         char *pos;
5691
5692         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
5693                 *reply_len = -1;
5694                 return;
5695         }
5696
5697         wpa_s->manual_scan_passive = 0;
5698         wpa_s->manual_scan_use_id = 0;
5699         wpa_s->manual_scan_only_new = 0;
5700
5701         if (params) {
5702                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
5703                         wpa_s->scan_res_handler = scan_only_handler;
5704
5705                 pos = os_strstr(params, "freq=");
5706                 if (pos && set_scan_freqs(wpa_s, pos + 5) < 0) {
5707                         *reply_len = -1;
5708                         return;
5709                 }
5710
5711                 pos = os_strstr(params, "passive=");
5712                 if (pos)
5713                         wpa_s->manual_scan_passive = !!atoi(pos + 8);
5714
5715                 pos = os_strstr(params, "use_id=");
5716                 if (pos)
5717                         wpa_s->manual_scan_use_id = atoi(pos + 7);
5718
5719                 pos = os_strstr(params, "only_new=1");
5720                 if (pos)
5721                         wpa_s->manual_scan_only_new = 1;
5722         } else {
5723                 os_free(wpa_s->manual_scan_freqs);
5724                 wpa_s->manual_scan_freqs = NULL;
5725                 if (wpa_s->scan_res_handler == scan_only_handler)
5726                         wpa_s->scan_res_handler = NULL;
5727         }
5728
5729         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5730             ((wpa_s->wpa_state <= WPA_SCANNING) ||
5731              (wpa_s->wpa_state == WPA_COMPLETED))) {
5732                 wpa_s->normal_scans = 0;
5733                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5734                 wpa_s->after_wps = 0;
5735                 wpa_s->known_wps_freq = 0;
5736                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5737                 if (wpa_s->manual_scan_use_id) {
5738                         wpa_s->manual_scan_id++;
5739                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
5740                                 wpa_s->manual_scan_id);
5741                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
5742                                                  wpa_s->manual_scan_id);
5743                 }
5744         } else if (wpa_s->sched_scanning) {
5745                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
5746                 wpa_supplicant_cancel_sched_scan(wpa_s);
5747                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5748                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5749                 if (wpa_s->manual_scan_use_id) {
5750                         wpa_s->manual_scan_id++;
5751                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
5752                                                  wpa_s->manual_scan_id);
5753                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
5754                                 wpa_s->manual_scan_id);
5755                 }
5756         } else {
5757                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
5758                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
5759         }
5760 }
5761
5762
5763 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
5764                                          char *buf, size_t *resp_len)
5765 {
5766         char *reply;
5767         const int reply_size = 4096;
5768         int reply_len;
5769
5770         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
5771             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5772                 if (wpa_debug_show_keys)
5773                         wpa_dbg(wpa_s, MSG_DEBUG,
5774                                 "Control interface command '%s'", buf);
5775                 else
5776                         wpa_dbg(wpa_s, MSG_DEBUG,
5777                                 "Control interface command '%s [REMOVED]'",
5778                                 os_strncmp(buf, WPA_CTRL_RSP,
5779                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
5780                                 WPA_CTRL_RSP : "SET_NETWORK");
5781         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
5782                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0 ||
5783                    os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
5784                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
5785                                       (const u8 *) buf, os_strlen(buf));
5786         } else {
5787                 int level = MSG_DEBUG;
5788                 if (os_strcmp(buf, "PING") == 0)
5789                         level = MSG_EXCESSIVE;
5790                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
5791         }
5792
5793         reply = os_malloc(reply_size);
5794         if (reply == NULL) {
5795                 *resp_len = 1;
5796                 return NULL;
5797         }
5798
5799         os_memcpy(reply, "OK\n", 3);
5800         reply_len = 3;
5801
5802         if (os_strcmp(buf, "PING") == 0) {
5803                 os_memcpy(reply, "PONG\n", 5);
5804                 reply_len = 5;
5805         } else if (os_strcmp(buf, "IFNAME") == 0) {
5806                 reply_len = os_strlen(wpa_s->ifname);
5807                 os_memcpy(reply, wpa_s->ifname, reply_len);
5808         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
5809                 if (wpa_debug_reopen_file() < 0)
5810                         reply_len = -1;
5811         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
5812                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
5813         } else if (os_strcmp(buf, "MIB") == 0) {
5814                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
5815                 if (reply_len >= 0) {
5816                         int res;
5817                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
5818                                                reply_size - reply_len);
5819                         if (res < 0)
5820                                 reply_len = -1;
5821                         else
5822                                 reply_len += res;
5823                 }
5824         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
5825                 reply_len = wpa_supplicant_ctrl_iface_status(
5826                         wpa_s, buf + 6, reply, reply_size);
5827         } else if (os_strcmp(buf, "PMKSA") == 0) {
5828                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
5829                                                     reply_size);
5830         } else if (os_strncmp(buf, "SET ", 4) == 0) {
5831                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
5832                         reply_len = -1;
5833         } else if (os_strncmp(buf, "GET ", 4) == 0) {
5834                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
5835                                                           reply, reply_size);
5836         } else if (os_strcmp(buf, "LOGON") == 0) {
5837                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5838         } else if (os_strcmp(buf, "LOGOFF") == 0) {
5839                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
5840         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
5841                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5842                         reply_len = -1;
5843                 else
5844                         wpas_request_connection(wpa_s);
5845         } else if (os_strcmp(buf, "RECONNECT") == 0) {
5846                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5847                         reply_len = -1;
5848                 else if (wpa_s->disconnected)
5849                         wpas_request_connection(wpa_s);
5850 #ifdef IEEE8021X_EAPOL
5851         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
5852                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
5853                         reply_len = -1;
5854 #endif /* IEEE8021X_EAPOL */
5855 #ifdef CONFIG_PEERKEY
5856         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
5857                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
5858                         reply_len = -1;
5859 #endif /* CONFIG_PEERKEY */
5860 #ifdef CONFIG_IEEE80211R
5861         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
5862                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
5863                         reply_len = -1;
5864 #endif /* CONFIG_IEEE80211R */
5865 #ifdef CONFIG_WPS
5866         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
5867                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
5868                 if (res == -2) {
5869                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5870                         reply_len = 17;
5871                 } else if (res)
5872                         reply_len = -1;
5873         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
5874                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
5875                 if (res == -2) {
5876                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5877                         reply_len = 17;
5878                 } else if (res)
5879                         reply_len = -1;
5880         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
5881                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
5882                                                               reply,
5883                                                               reply_size);
5884         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
5885                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
5886                         wpa_s, buf + 14, reply, reply_size);
5887         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
5888                 if (wpas_wps_cancel(wpa_s))
5889                         reply_len = -1;
5890 #ifdef CONFIG_WPS_NFC
5891         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
5892                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
5893                         reply_len = -1;
5894         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
5895                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
5896                         reply_len = -1;
5897         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
5898                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
5899                         wpa_s, buf + 21, reply, reply_size);
5900         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
5901                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
5902                         wpa_s, buf + 14, reply, reply_size);
5903         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
5904                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
5905                                                                buf + 17))
5906                         reply_len = -1;
5907         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
5908                 reply_len = wpas_ctrl_nfc_get_handover_req(
5909                         wpa_s, buf + 21, reply, reply_size);
5910         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
5911                 reply_len = wpas_ctrl_nfc_get_handover_sel(
5912                         wpa_s, buf + 21, reply, reply_size);
5913         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
5914                 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
5915                         reply_len = -1;
5916         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
5917                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
5918                         reply_len = -1;
5919 #endif /* CONFIG_WPS_NFC */
5920         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
5921                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
5922                         reply_len = -1;
5923 #ifdef CONFIG_AP
5924         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
5925                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
5926                         wpa_s, buf + 11, reply, reply_size);
5927 #endif /* CONFIG_AP */
5928 #ifdef CONFIG_WPS_ER
5929         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
5930                 if (wpas_wps_er_start(wpa_s, NULL))
5931                         reply_len = -1;
5932         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
5933                 if (wpas_wps_er_start(wpa_s, buf + 13))
5934                         reply_len = -1;
5935         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
5936                 if (wpas_wps_er_stop(wpa_s))
5937                         reply_len = -1;
5938         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
5939                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
5940                         reply_len = -1;
5941         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
5942                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
5943                 if (ret == -2) {
5944                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5945                         reply_len = 17;
5946                 } else if (ret == -3) {
5947                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
5948                         reply_len = 18;
5949                 } else if (ret == -4) {
5950                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
5951                         reply_len = 20;
5952                 } else if (ret)
5953                         reply_len = -1;
5954         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
5955                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
5956                         reply_len = -1;
5957         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
5958                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
5959                                                                 buf + 18))
5960                         reply_len = -1;
5961         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
5962                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
5963                         reply_len = -1;
5964 #ifdef CONFIG_WPS_NFC
5965         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
5966                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
5967                         wpa_s, buf + 24, reply, reply_size);
5968 #endif /* CONFIG_WPS_NFC */
5969 #endif /* CONFIG_WPS_ER */
5970 #endif /* CONFIG_WPS */
5971 #ifdef CONFIG_IBSS_RSN
5972         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
5973                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
5974                         reply_len = -1;
5975 #endif /* CONFIG_IBSS_RSN */
5976 #ifdef CONFIG_P2P
5977         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
5978                 if (p2p_ctrl_find(wpa_s, buf + 9))
5979                         reply_len = -1;
5980         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
5981                 if (p2p_ctrl_find(wpa_s, ""))
5982                         reply_len = -1;
5983         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
5984                 wpas_p2p_stop_find(wpa_s);
5985         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
5986                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
5987                                              reply_size);
5988         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
5989                 if (p2p_ctrl_listen(wpa_s, buf + 11))
5990                         reply_len = -1;
5991         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
5992                 if (p2p_ctrl_listen(wpa_s, ""))
5993                         reply_len = -1;
5994         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
5995                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
5996                         reply_len = -1;
5997         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
5998                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0, 0))
5999                         reply_len = -1;
6000         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
6001                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
6002                         reply_len = -1;
6003         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
6004                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
6005                         reply_len = -1;
6006         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
6007                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
6008         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
6009                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
6010                                                    reply_size);
6011         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
6012                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
6013                         reply_len = -1;
6014         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
6015                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
6016                         reply_len = -1;
6017         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
6018                 wpas_p2p_sd_service_update(wpa_s);
6019         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
6020                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
6021                         reply_len = -1;
6022         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
6023                 wpas_p2p_service_flush(wpa_s);
6024         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
6025                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
6026                         reply_len = -1;
6027         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
6028                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
6029                         reply_len = -1;
6030         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
6031                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
6032                         reply_len = -1;
6033         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
6034                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
6035                         reply_len = -1;
6036         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
6037                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
6038                                               reply_size);
6039         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
6040                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
6041                         reply_len = -1;
6042         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
6043                 p2p_ctrl_flush(wpa_s);
6044         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
6045                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
6046                         reply_len = -1;
6047         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
6048                 if (wpas_p2p_cancel(wpa_s))
6049                         reply_len = -1;
6050         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
6051                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
6052                         reply_len = -1;
6053         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
6054                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
6055                         reply_len = -1;
6056         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
6057                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
6058                         reply_len = -1;
6059         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
6060                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
6061                         reply_len = -1;
6062         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
6063                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
6064                         reply_len = -1;
6065 #endif /* CONFIG_P2P */
6066 #ifdef CONFIG_WIFI_DISPLAY
6067         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
6068                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
6069                         reply_len = -1;
6070         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
6071                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
6072                                                      reply, reply_size);
6073 #endif /* CONFIG_WIFI_DISPLAY */
6074 #ifdef CONFIG_INTERWORKING
6075         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
6076                 if (interworking_fetch_anqp(wpa_s) < 0)
6077                         reply_len = -1;
6078         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
6079                 interworking_stop_fetch_anqp(wpa_s);
6080         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
6081                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
6082                         reply_len = -1;
6083         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
6084                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
6085                         reply_len = -1;
6086         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
6087                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
6088                         reply_len = -1;
6089         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
6090                 if (get_anqp(wpa_s, buf + 9) < 0)
6091                         reply_len = -1;
6092         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
6093                 if (gas_request(wpa_s, buf + 12) < 0)
6094                         reply_len = -1;
6095         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
6096                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
6097                                              reply_size);
6098 #endif /* CONFIG_INTERWORKING */
6099 #ifdef CONFIG_HS20
6100         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
6101                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
6102                         reply_len = -1;
6103         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
6104                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
6105                         reply_len = -1;
6106 #endif /* CONFIG_HS20 */
6107         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
6108         {
6109                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
6110                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
6111                         reply_len = -1;
6112                 else {
6113                         /*
6114                          * Notify response from timeout to allow the control
6115                          * interface response to be sent first.
6116                          */
6117                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
6118                                                wpa_s, NULL);
6119                 }
6120         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
6121                 if (wpa_supplicant_reload_configuration(wpa_s))
6122                         reply_len = -1;
6123         } else if (os_strcmp(buf, "TERMINATE") == 0) {
6124                 wpa_supplicant_terminate_proc(wpa_s->global);
6125         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
6126                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
6127                         reply_len = -1;
6128         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
6129                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
6130                         wpa_s, buf + 9, reply, reply_size);
6131         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
6132                 reply_len = wpa_supplicant_ctrl_iface_log_level(
6133                         wpa_s, buf + 9, reply, reply_size);
6134         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
6135                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
6136                         wpa_s, reply, reply_size);
6137         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
6138 #ifdef CONFIG_SME
6139                 wpa_s->sme.prev_bssid_set = 0;
6140 #endif /* CONFIG_SME */
6141                 wpa_s->reassociate = 0;
6142                 wpa_s->disconnected = 1;
6143                 wpa_supplicant_cancel_sched_scan(wpa_s);
6144                 wpa_supplicant_cancel_scan(wpa_s);
6145                 wpa_supplicant_deauthenticate(wpa_s,
6146                                               WLAN_REASON_DEAUTH_LEAVING);
6147         } else if (os_strcmp(buf, "SCAN") == 0) {
6148                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
6149         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
6150                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
6151         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
6152                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
6153                         wpa_s, reply, reply_size);
6154         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
6155                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
6156                         reply_len = -1;
6157         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
6158                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
6159                         reply_len = -1;
6160         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
6161                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
6162                         reply_len = -1;
6163         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
6164                 reply_len = wpa_supplicant_ctrl_iface_add_network(
6165                         wpa_s, reply, reply_size);
6166         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
6167                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
6168                         reply_len = -1;
6169         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
6170                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
6171                         reply_len = -1;
6172         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
6173                 reply_len = wpa_supplicant_ctrl_iface_get_network(
6174                         wpa_s, buf + 12, reply, reply_size);
6175         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
6176                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
6177                         wpa_s, reply, reply_size);
6178         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
6179                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
6180                         wpa_s, reply, reply_size);
6181         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
6182                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
6183                         reply_len = -1;
6184         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
6185                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
6186                         reply_len = -1;
6187 #ifndef CONFIG_NO_CONFIG_WRITE
6188         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
6189                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
6190                         reply_len = -1;
6191 #endif /* CONFIG_NO_CONFIG_WRITE */
6192         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
6193                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
6194                         wpa_s, buf + 15, reply, reply_size);
6195         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
6196                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
6197                         reply_len = -1;
6198         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
6199                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
6200                         reply_len = -1;
6201         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
6202                 reply_len = wpa_supplicant_global_iface_list(
6203                         wpa_s->global, reply, reply_size);
6204         } else if (os_strcmp(buf, "INTERFACES") == 0) {
6205                 reply_len = wpa_supplicant_global_iface_interfaces(
6206                         wpa_s->global, reply, reply_size);
6207         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
6208                 reply_len = wpa_supplicant_ctrl_iface_bss(
6209                         wpa_s, buf + 4, reply, reply_size);
6210 #ifdef CONFIG_AP
6211         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
6212                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
6213         } else if (os_strncmp(buf, "STA ", 4) == 0) {
6214                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
6215                                               reply_size);
6216         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
6217                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
6218                                                    reply_size);
6219         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
6220                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
6221                         reply_len = -1;
6222         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
6223                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
6224                         reply_len = -1;
6225         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
6226                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
6227                         reply_len = -1;
6228 #endif /* CONFIG_AP */
6229         } else if (os_strcmp(buf, "SUSPEND") == 0) {
6230                 wpas_notify_suspend(wpa_s->global);
6231         } else if (os_strcmp(buf, "RESUME") == 0) {
6232                 wpas_notify_resume(wpa_s->global);
6233         } else if (os_strcmp(buf, "DROP_SA") == 0) {
6234                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
6235         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
6236                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
6237                         reply_len = -1;
6238         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
6239                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
6240                         reply_len = -1;
6241         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
6242                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
6243                         reply_len = -1;
6244         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
6245                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
6246                                                                buf + 17))
6247                         reply_len = -1;
6248         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
6249                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
6250                         reply_len = -1;
6251 #ifdef CONFIG_TDLS
6252         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
6253                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
6254                         reply_len = -1;
6255         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
6256                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
6257                         reply_len = -1;
6258         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
6259                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
6260                         reply_len = -1;
6261 #endif /* CONFIG_TDLS */
6262         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
6263                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
6264                                                        reply_size);
6265         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
6266                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
6267                                                        reply_size);
6268 #ifdef CONFIG_AUTOSCAN
6269         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
6270                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
6271                         reply_len = -1;
6272 #endif /* CONFIG_AUTOSCAN */
6273 #ifdef ANDROID
6274         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
6275                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
6276                                                       reply_size);
6277 #endif /* ANDROID */
6278         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
6279                 pmksa_cache_clear_current(wpa_s->wpa);
6280                 eapol_sm_request_reauth(wpa_s->eapol);
6281 #ifdef CONFIG_WNM
6282         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
6283                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
6284                         reply_len = -1;
6285         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 10) == 0) {
6286                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 10))
6287                                 reply_len = -1;
6288 #endif /* CONFIG_WNM */
6289         } else if (os_strcmp(buf, "FLUSH") == 0) {
6290                 wpa_supplicant_ctrl_iface_flush(wpa_s);
6291         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
6292                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
6293                                                  reply_size);
6294         } else {
6295                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
6296                 reply_len = 16;
6297         }
6298
6299         if (reply_len < 0) {
6300                 os_memcpy(reply, "FAIL\n", 5);
6301                 reply_len = 5;
6302         }
6303
6304         *resp_len = reply_len;
6305         return reply;
6306 }
6307
6308
6309 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
6310                                            char *cmd)
6311 {
6312         struct wpa_interface iface;
6313         char *pos;
6314
6315         /*
6316          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
6317          * TAB<bridge_ifname>
6318          */
6319         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
6320
6321         os_memset(&iface, 0, sizeof(iface));
6322
6323         do {
6324                 iface.ifname = pos = cmd;
6325                 pos = os_strchr(pos, '\t');
6326                 if (pos)
6327                         *pos++ = '\0';
6328                 if (iface.ifname[0] == '\0')
6329                         return -1;
6330                 if (pos == NULL)
6331                         break;
6332
6333                 iface.confname = pos;
6334                 pos = os_strchr(pos, '\t');
6335                 if (pos)
6336                         *pos++ = '\0';
6337                 if (iface.confname[0] == '\0')
6338                         iface.confname = NULL;
6339                 if (pos == NULL)
6340                         break;
6341
6342                 iface.driver = pos;
6343                 pos = os_strchr(pos, '\t');
6344                 if (pos)
6345                         *pos++ = '\0';
6346                 if (iface.driver[0] == '\0')
6347                         iface.driver = NULL;
6348                 if (pos == NULL)
6349                         break;
6350
6351                 iface.ctrl_interface = pos;
6352                 pos = os_strchr(pos, '\t');
6353                 if (pos)
6354                         *pos++ = '\0';
6355                 if (iface.ctrl_interface[0] == '\0')
6356                         iface.ctrl_interface = NULL;
6357                 if (pos == NULL)
6358                         break;
6359
6360                 iface.driver_param = pos;
6361                 pos = os_strchr(pos, '\t');
6362                 if (pos)
6363                         *pos++ = '\0';
6364                 if (iface.driver_param[0] == '\0')
6365                         iface.driver_param = NULL;
6366                 if (pos == NULL)
6367                         break;
6368
6369                 iface.bridge_ifname = pos;
6370                 pos = os_strchr(pos, '\t');
6371                 if (pos)
6372                         *pos++ = '\0';
6373                 if (iface.bridge_ifname[0] == '\0')
6374                         iface.bridge_ifname = NULL;
6375                 if (pos == NULL)
6376                         break;
6377         } while (0);
6378
6379         if (wpa_supplicant_get_iface(global, iface.ifname))
6380                 return -1;
6381
6382         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
6383 }
6384
6385
6386 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
6387                                               char *cmd)
6388 {
6389         struct wpa_supplicant *wpa_s;
6390
6391         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
6392
6393         wpa_s = wpa_supplicant_get_iface(global, cmd);
6394         if (wpa_s == NULL)
6395                 return -1;
6396         return wpa_supplicant_remove_iface(global, wpa_s, 0);
6397 }
6398
6399
6400 static void wpa_free_iface_info(struct wpa_interface_info *iface)
6401 {
6402         struct wpa_interface_info *prev;
6403
6404         while (iface) {
6405                 prev = iface;
6406                 iface = iface->next;
6407
6408                 os_free(prev->ifname);
6409                 os_free(prev->desc);
6410                 os_free(prev);
6411         }
6412 }
6413
6414
6415 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
6416                                             char *buf, int len)
6417 {
6418         int i, res;
6419         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
6420         char *pos, *end;
6421
6422         for (i = 0; wpa_drivers[i]; i++) {
6423                 struct wpa_driver_ops *drv = wpa_drivers[i];
6424                 if (drv->get_interfaces == NULL)
6425                         continue;
6426                 tmp = drv->get_interfaces(global->drv_priv[i]);
6427                 if (tmp == NULL)
6428                         continue;
6429
6430                 if (last == NULL)
6431                         iface = last = tmp;
6432                 else
6433                         last->next = tmp;
6434                 while (last->next)
6435                         last = last->next;
6436         }
6437
6438         pos = buf;
6439         end = buf + len;
6440         for (tmp = iface; tmp; tmp = tmp->next) {
6441                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
6442                                   tmp->drv_name, tmp->ifname,
6443                                   tmp->desc ? tmp->desc : "");
6444                 if (res < 0 || res >= end - pos) {
6445                         *pos = '\0';
6446                         break;
6447                 }
6448                 pos += res;
6449         }
6450
6451         wpa_free_iface_info(iface);
6452
6453         return pos - buf;
6454 }
6455
6456
6457 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
6458                                                   char *buf, int len)
6459 {
6460         int res;
6461         char *pos, *end;
6462         struct wpa_supplicant *wpa_s;
6463
6464         wpa_s = global->ifaces;
6465         pos = buf;
6466         end = buf + len;
6467
6468         while (wpa_s) {
6469                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
6470                 if (res < 0 || res >= end - pos) {
6471                         *pos = '\0';
6472                         break;
6473                 }
6474                 pos += res;
6475                 wpa_s = wpa_s->next;
6476         }
6477         return pos - buf;
6478 }
6479
6480
6481 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
6482                                             const char *ifname,
6483                                             char *cmd, size_t *resp_len)
6484 {
6485         struct wpa_supplicant *wpa_s;
6486
6487         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6488                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
6489                         break;
6490         }
6491
6492         if (wpa_s == NULL) {
6493                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
6494                 if (resp)
6495                         *resp_len = os_strlen(resp);
6496                 else
6497                         *resp_len = 1;
6498                 return resp;
6499         }
6500
6501         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
6502 }
6503
6504
6505 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
6506                                                char *buf, size_t *resp_len)
6507 {
6508 #ifdef CONFIG_P2P
6509         static const char * cmd[] = {
6510                 "LIST_NETWORKS",
6511                 "SAVE_CONFIG",
6512                 "P2P_FIND",
6513                 "P2P_STOP_FIND",
6514                 "P2P_LISTEN",
6515                 "P2P_GROUP_ADD",
6516                 "P2P_GET_PASSPHRASE",
6517                 "P2P_SERVICE_UPDATE",
6518                 "P2P_SERVICE_FLUSH",
6519                 "P2P_FLUSH",
6520                 "P2P_CANCEL",
6521                 "P2P_PRESENCE_REQ",
6522                 "P2P_EXT_LISTEN",
6523                 NULL
6524         };
6525         static const char * prefix[] = {
6526 #ifdef ANDROID
6527                 "DRIVER ",
6528 #endif /* ANDROID */
6529                 "GET_NETWORK ",
6530                 "REMOVE_NETWORK ",
6531                 "SET ",
6532                 "P2P_FIND ",
6533                 "P2P_CONNECT ",
6534                 "P2P_LISTEN ",
6535                 "P2P_GROUP_REMOVE ",
6536                 "P2P_GROUP_ADD ",
6537                 "P2P_PROV_DISC ",
6538                 "P2P_SERV_DISC_REQ ",
6539                 "P2P_SERV_DISC_CANCEL_REQ ",
6540                 "P2P_SERV_DISC_RESP ",
6541                 "P2P_SERV_DISC_EXTERNAL ",
6542                 "P2P_SERVICE_ADD ",
6543                 "P2P_SERVICE_DEL ",
6544                 "P2P_REJECT ",
6545                 "P2P_INVITE ",
6546                 "P2P_PEER ",
6547                 "P2P_SET ",
6548                 "P2P_UNAUTHORIZE ",
6549                 "P2P_PRESENCE_REQ ",
6550                 "P2P_EXT_LISTEN ",
6551                 "P2P_REMOVE_CLIENT ",
6552                 NULL
6553         };
6554         int found = 0;
6555         int i;
6556
6557         if (global->p2p_init_wpa_s == NULL)
6558                 return NULL;
6559
6560         for (i = 0; !found && cmd[i]; i++) {
6561                 if (os_strcmp(buf, cmd[i]) == 0)
6562                         found = 1;
6563         }
6564
6565         for (i = 0; !found && prefix[i]; i++) {
6566                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
6567                         found = 1;
6568         }
6569
6570         if (found)
6571                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
6572                                                          buf, resp_len);
6573 #endif /* CONFIG_P2P */
6574         return NULL;
6575 }
6576
6577
6578 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
6579                                                char *buf, size_t *resp_len)
6580 {
6581 #ifdef CONFIG_WIFI_DISPLAY
6582         if (global->p2p_init_wpa_s == NULL)
6583                 return NULL;
6584         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
6585             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
6586                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
6587                                                          buf, resp_len);
6588 #endif /* CONFIG_WIFI_DISPLAY */
6589         return NULL;
6590 }
6591
6592
6593 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
6594                                            char *buf, size_t *resp_len)
6595 {
6596         char *ret;
6597
6598         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
6599         if (ret)
6600                 return ret;
6601
6602         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
6603         if (ret)
6604                 return ret;
6605
6606         return NULL;
6607 }
6608
6609
6610 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
6611 {
6612         char *value;
6613
6614         value = os_strchr(cmd, ' ');
6615         if (value == NULL)
6616                 return -1;
6617         *value++ = '\0';
6618
6619         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
6620
6621 #ifdef CONFIG_WIFI_DISPLAY
6622         if (os_strcasecmp(cmd, "wifi_display") == 0) {
6623                 wifi_display_enable(global, !!atoi(value));
6624                 return 0;
6625         }
6626 #endif /* CONFIG_WIFI_DISPLAY */
6627
6628         return -1;
6629 }
6630
6631
6632 #ifndef CONFIG_NO_CONFIG_WRITE
6633 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
6634 {
6635         int ret = 0;
6636         struct wpa_supplicant *wpa_s;
6637
6638         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6639                 if (!wpa_s->conf->update_config) {
6640                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
6641                         continue;
6642                 }
6643
6644                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
6645                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
6646                         ret = 1;
6647                 } else {
6648                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
6649                 }
6650         }
6651
6652         return ret;
6653 }
6654 #endif /* CONFIG_NO_CONFIG_WRITE */
6655
6656
6657 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
6658                                          char *buf, size_t buflen)
6659 {
6660         char *pos, *end;
6661         int ret;
6662         struct wpa_supplicant *wpa_s;
6663
6664         pos = buf;
6665         end = buf + buflen;
6666
6667 #ifdef CONFIG_P2P
6668         if (global->p2p && !global->p2p_disabled) {
6669                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
6670                                   "\n"
6671                                   "p2p_state=%s\n",
6672                                   MAC2STR(global->p2p_dev_addr),
6673                                   p2p_get_state_txt(global->p2p));
6674                 if (ret < 0 || ret >= end - pos)
6675                         return pos - buf;
6676                 pos += ret;
6677         } else if (global->p2p) {
6678                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
6679                 if (ret < 0 || ret >= end - pos)
6680                         return pos - buf;
6681                 pos += ret;
6682         }
6683 #endif /* CONFIG_P2P */
6684
6685 #ifdef CONFIG_WIFI_DISPLAY
6686         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
6687                           !!global->wifi_display);
6688         if (ret < 0 || ret >= end - pos)
6689                 return pos - buf;
6690         pos += ret;
6691 #endif /* CONFIG_WIFI_DISPLAY */
6692
6693         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6694                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
6695                                   "address=" MACSTR "\n",
6696                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
6697                 if (ret < 0 || ret >= end - pos)
6698                         return pos - buf;
6699                 pos += ret;
6700         }
6701
6702         return pos - buf;
6703 }
6704
6705
6706 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
6707                                                 char *buf, size_t *resp_len)
6708 {
6709         char *reply;
6710         const int reply_size = 2048;
6711         int reply_len;
6712         int level = MSG_DEBUG;
6713
6714         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
6715                 char *pos = os_strchr(buf + 7, ' ');
6716                 if (pos) {
6717                         *pos++ = '\0';
6718                         return wpas_global_ctrl_iface_ifname(global,
6719                                                              buf + 7, pos,
6720                                                              resp_len);
6721                 }
6722         }
6723
6724         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
6725         if (reply)
6726                 return reply;
6727
6728         if (os_strcmp(buf, "PING") == 0)
6729                 level = MSG_EXCESSIVE;
6730         wpa_hexdump_ascii(level, "RX global ctrl_iface",
6731                           (const u8 *) buf, os_strlen(buf));
6732
6733         reply = os_malloc(reply_size);
6734         if (reply == NULL) {
6735                 *resp_len = 1;
6736                 return NULL;
6737         }
6738
6739         os_memcpy(reply, "OK\n", 3);
6740         reply_len = 3;
6741
6742         if (os_strcmp(buf, "PING") == 0) {
6743                 os_memcpy(reply, "PONG\n", 5);
6744                 reply_len = 5;
6745         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
6746                 if (wpa_supplicant_global_iface_add(global, buf + 14))
6747                         reply_len = -1;
6748         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
6749                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
6750                         reply_len = -1;
6751         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
6752                 reply_len = wpa_supplicant_global_iface_list(
6753                         global, reply, reply_size);
6754         } else if (os_strcmp(buf, "INTERFACES") == 0) {
6755                 reply_len = wpa_supplicant_global_iface_interfaces(
6756                         global, reply, reply_size);
6757         } else if (os_strcmp(buf, "TERMINATE") == 0) {
6758                 wpa_supplicant_terminate_proc(global);
6759         } else if (os_strcmp(buf, "SUSPEND") == 0) {
6760                 wpas_notify_suspend(global);
6761         } else if (os_strcmp(buf, "RESUME") == 0) {
6762                 wpas_notify_resume(global);
6763         } else if (os_strncmp(buf, "SET ", 4) == 0) {
6764                 if (wpas_global_ctrl_iface_set(global, buf + 4))
6765                         reply_len = -1;
6766 #ifndef CONFIG_NO_CONFIG_WRITE
6767         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
6768                 if (wpas_global_ctrl_iface_save_config(global))
6769                         reply_len = -1;
6770 #endif /* CONFIG_NO_CONFIG_WRITE */
6771         } else if (os_strcmp(buf, "STATUS") == 0) {
6772                 reply_len = wpas_global_ctrl_iface_status(global, reply,
6773                                                           reply_size);
6774 #ifdef CONFIG_MODULE_TESTS
6775         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
6776                 int wpas_module_tests(void);
6777                 if (wpas_module_tests() < 0)
6778                         reply_len = -1;
6779 #endif /* CONFIG_MODULE_TESTS */
6780         } else {
6781                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
6782                 reply_len = 16;
6783         }
6784
6785         if (reply_len < 0) {
6786                 os_memcpy(reply, "FAIL\n", 5);
6787                 reply_len = 5;
6788         }
6789
6790         *resp_len = reply_len;
6791         return reply;
6792 }