wpa_supplicant/ctrl_iface.c

   1 /*
   2  * WPA Supplicant / Control interface (shared code for all backends)
   3  * Copyright (c) 2004-2015, 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 #ifdef CONFIG_TESTING_OPTIONS
  11 #include <net/ethernet.h>
  12 #include <netinet/ip.h>
  13 #endif /* CONFIG_TESTING_OPTIONS */
  14
  15 #include "utils/common.h"
  16 #include "utils/eloop.h"
  17 #include "utils/uuid.h"
  18 #include "common/version.h"
  19 #include "common/ieee802_11_defs.h"
  20 #include "common/ieee802_11_common.h"
  21 #include "common/wpa_ctrl.h"
  22 #include "crypto/tls.h"
  23 #include "ap/hostapd.h"
  24 #include "eap_peer/eap.h"
  25 #include "eapol_supp/eapol_supp_sm.h"
  26 #include "rsn_supp/wpa.h"
  27 #include "rsn_supp/preauth.h"
  28 #include "rsn_supp/pmksa_cache.h"
  29 #include "l2_packet/l2_packet.h"
  30 #include "wps/wps.h"
  31 #include "fst/fst.h"
  32 #include "fst/fst_ctrl_iface.h"
  33 #include "config.h"
  34 #include "wpa_supplicant_i.h"
  35 #include "driver_i.h"
  36 #include "wps_supplicant.h"
  37 #include "ibss_rsn.h"
  38 #include "ap.h"
  39 #include "p2p_supplicant.h"
  40 #include "p2p/p2p.h"
  41 #include "hs20_supplicant.h"
  42 #include "wifi_display.h"
  43 #include "notify.h"
  44 #include "bss.h"
  45 #include "scan.h"
  46 #include "ctrl_iface.h"
  47 #include "interworking.h"
  48 #include "blacklist.h"
  49 #include "autoscan.h"
  50 #include "wnm_sta.h"
  51 #include "offchannel.h"
  52 #include "drivers/driver.h"
  53 #include "mesh.h"
  54
  55 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
  56                                             char *buf, int len);
  57 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
  58                                                   char *buf, int len);
  59 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
  60                                         char *val);
  61
  62 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
  63 {
  64         char *pos;
  65         u8 addr[ETH_ALEN], *filter = NULL, *n;
  66         size_t count = 0;
  67
  68         pos = val;
  69         while (pos) {
  70                 if (*pos == '\0')
  71                         break;
  72                 if (hwaddr_aton(pos, addr)) {
  73                         os_free(filter);
  74                         return -1;
  75                 }
  76                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
  77                 if (n == NULL) {
  78                         os_free(filter);
  79                         return -1;
  80                 }
  81                 filter = n;
  82                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
  83                 count++;
  84
  85                 pos = os_strchr(pos, ' ');
  86                 if (pos)
  87                         pos++;
  88         }
  89
  90         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
  91         os_free(wpa_s->bssid_filter);
  92         wpa_s->bssid_filter = filter;
  93         wpa_s->bssid_filter_count = count;
  94
  95         return 0;
  96 }
  97
  98
  99 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
 100 {
 101         char *pos;
 102         u8 addr[ETH_ALEN], *bssid = NULL, *n;
 103         struct wpa_ssid_value *ssid = NULL, *ns;
 104         size_t count = 0, ssid_count = 0;
 105         struct wpa_ssid *c;
 106
 107         /*
 108          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
 109          * SSID_SPEC ::= ssid <SSID_HEX>
 110          * BSSID_SPEC ::= bssid <BSSID_HEX>
 111          */
 112
 113         pos = val;
 114         while (pos) {
 115                 if (*pos == '\0')
 116                         break;
 117                 if (os_strncmp(pos, "bssid ", 6) == 0) {
 118                         int res;
 119                         pos += 6;
 120                         res = hwaddr_aton2(pos, addr);
 121                         if (res < 0) {
 122                                 os_free(ssid);
 123                                 os_free(bssid);
 124                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 125                                            "BSSID value '%s'", pos);
 126                                 return -1;
 127                         }
 128                         pos += res;
 129                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
 130                         if (n == NULL) {
 131                                 os_free(ssid);
 132                                 os_free(bssid);
 133                                 return -1;
 134                         }
 135                         bssid = n;
 136                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
 137                         count++;
 138                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
 139                         char *end;
 140                         pos += 5;
 141
 142                         end = pos;
 143                         while (*end) {
 144                                 if (*end == '\0' || *end == ' ')
 145                                         break;
 146                                 end++;
 147                         }
 148
 149                         ns = os_realloc_array(ssid, ssid_count + 1,
 150                                               sizeof(struct wpa_ssid_value));
 151                         if (ns == NULL) {
 152                                 os_free(ssid);
 153                                 os_free(bssid);
 154                                 return -1;
 155                         }
 156                         ssid = ns;
 157
 158                         if ((end - pos) & 0x01 ||
 159                             end - pos > 2 * SSID_MAX_LEN ||
 160                             hexstr2bin(pos, ssid[ssid_count].ssid,
 161                                        (end - pos) / 2) < 0) {
 162                                 os_free(ssid);
 163                                 os_free(bssid);
 164                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 165                                            "SSID value '%s'", pos);
 166                                 return -1;
 167                         }
 168                         ssid[ssid_count].ssid_len = (end - pos) / 2;
 169                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
 170                                           ssid[ssid_count].ssid,
 171                                           ssid[ssid_count].ssid_len);
 172                         ssid_count++;
 173                         pos = end;
 174                 } else {
 175                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
 176                                    "'%s'", pos);
 177                         os_free(ssid);
 178                         os_free(bssid);
 179                         return -1;
 180                 }
 181
 182                 pos = os_strchr(pos, ' ');
 183                 if (pos)
 184                         pos++;
 185         }
 186
 187         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
 188         os_free(wpa_s->disallow_aps_bssid);
 189         wpa_s->disallow_aps_bssid = bssid;
 190         wpa_s->disallow_aps_bssid_count = count;
 191
 192         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
 193         os_free(wpa_s->disallow_aps_ssid);
 194         wpa_s->disallow_aps_ssid = ssid;
 195         wpa_s->disallow_aps_ssid_count = ssid_count;
 196
 197         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
 198                 return 0;
 199
 200         c = wpa_s->current_ssid;
 201         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
 202                 return 0;
 203
 204         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
 205             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
 206                 return 0;
 207
 208         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
 209                    "because current AP was marked disallowed");
 210
 211 #ifdef CONFIG_SME
 212         wpa_s->sme.prev_bssid_set = 0;
 213 #endif /* CONFIG_SME */
 214         wpa_s->reassociate = 1;
 215         wpa_s->own_disconnect_req = 1;
 216         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
 217         wpa_supplicant_req_scan(wpa_s, 0, 0);
 218
 219         return 0;
 220 }
 221
 222
 223 #ifndef CONFIG_NO_CONFIG_BLOBS
 224 static int wpas_ctrl_set_blob(struct wpa_supplicant *wpa_s, char *pos)
 225 {
 226         char *name = pos;
 227         struct wpa_config_blob *blob;
 228         size_t len;
 229
 230         pos = os_strchr(pos, ' ');
 231         if (pos == NULL)
 232                 return -1;
 233         *pos++ = '\0';
 234         len = os_strlen(pos);
 235         if (len & 1)
 236                 return -1;
 237
 238         wpa_printf(MSG_DEBUG, "CTRL: Set blob '%s'", name);
 239         blob = os_zalloc(sizeof(*blob));
 240         if (blob == NULL)
 241                 return -1;
 242         blob->name = os_strdup(name);
 243         blob->data = os_malloc(len / 2);
 244         if (blob->name == NULL || blob->data == NULL) {
 245                 wpa_config_free_blob(blob);
 246                 return -1;
 247         }
 248
 249         if (hexstr2bin(pos, blob->data, len / 2) < 0) {
 250                 wpa_printf(MSG_DEBUG, "CTRL: Invalid blob hex data");
 251                 wpa_config_free_blob(blob);
 252                 return -1;
 253         }
 254         blob->len = len / 2;
 255
 256         wpa_config_set_blob(wpa_s->conf, blob);
 257
 258         return 0;
 259 }
 260 #endif /* CONFIG_NO_CONFIG_BLOBS */
 261
 262
 263 static int wpas_ctrl_pno(struct wpa_supplicant *wpa_s, char *cmd)
 264 {
 265         char *params;
 266         char *pos;
 267         int *freqs = NULL;
 268         int ret;
 269
 270         if (atoi(cmd)) {
 271                 params = os_strchr(cmd, ' ');
 272                 os_free(wpa_s->manual_sched_scan_freqs);
 273                 if (params) {
 274                         params++;
 275                         pos = os_strstr(params, "freq=");
 276                         if (pos)
 277                                 freqs = freq_range_to_channel_list(wpa_s,
 278                                                                    pos + 5);
 279                 }
 280                 wpa_s->manual_sched_scan_freqs = freqs;
 281                 ret = wpas_start_pno(wpa_s);
 282         } else {
 283                 ret = wpas_stop_pno(wpa_s);
 284         }
 285         return ret;
 286 }
 287
 288
 289 static int wpas_ctrl_set_band(struct wpa_supplicant *wpa_s, char *band)
 290 {
 291         union wpa_event_data event;
 292
 293         if (os_strcmp(band, "AUTO") == 0)
 294                 wpa_s->setband = WPA_SETBAND_AUTO;
 295         else if (os_strcmp(band, "5G") == 0)
 296                 wpa_s->setband = WPA_SETBAND_5G;
 297         else if (os_strcmp(band, "2G") == 0)
 298                 wpa_s->setband = WPA_SETBAND_2G;
 299         else
 300                 return -1;
 301
 302         if (wpa_drv_setband(wpa_s, wpa_s->setband) == 0) {
 303                 os_memset(&event, 0, sizeof(event));
 304                 event.channel_list_changed.initiator = REGDOM_SET_BY_USER;
 305                 event.channel_list_changed.type = REGDOM_TYPE_UNKNOWN;
 306                 wpa_supplicant_event(wpa_s, EVENT_CHANNEL_LIST_CHANGED, &event);
 307         }
 308
 309         return 0;
 310 }
 311
 312
 313 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
 314                                          char *cmd)
 315 {
 316         char *value;
 317         int ret = 0;
 318
 319         value = os_strchr(cmd, ' ');
 320         if (value == NULL)
 321                 return -1;
 322         *value++ = '\0';
 323
 324         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
 325         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
 326                 eapol_sm_configure(wpa_s->eapol,
 327                                    atoi(value), -1, -1, -1);
 328         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
 329                 eapol_sm_configure(wpa_s->eapol,
 330                                    -1, atoi(value), -1, -1);
 331         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
 332                 eapol_sm_configure(wpa_s->eapol,
 333                                    -1, -1, atoi(value), -1);
 334         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
 335                 eapol_sm_configure(wpa_s->eapol,
 336                                    -1, -1, -1, atoi(value));
 337         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
 338                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
 339                                      atoi(value)))
 340                         ret = -1;
 341         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
 342                    0) {
 343                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
 344                                      atoi(value)))
 345                         ret = -1;
 346         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
 347                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
 348                         ret = -1;
 349         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
 350                 wpa_s->wps_fragment_size = atoi(value);
 351 #ifdef CONFIG_WPS_TESTING
 352         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
 353                 long int val;
 354                 val = strtol(value, NULL, 0);
 355                 if (val < 0 || val > 0xff) {
 356                         ret = -1;
 357                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
 358                                    "wps_version_number %ld", val);
 359                 } else {
 360                         wps_version_number = val;
 361                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
 362                                    "version %u.%u",
 363                                    (wps_version_number & 0xf0) >> 4,
 364                                    wps_version_number & 0x0f);
 365                 }
 366         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
 367                 wps_testing_dummy_cred = atoi(value);
 368                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
 369                            wps_testing_dummy_cred);
 370         } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
 371                 wps_corrupt_pkhash = atoi(value);
 372                 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
 373                            wps_corrupt_pkhash);
 374 #endif /* CONFIG_WPS_TESTING */
 375         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
 376                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
 377                         ret = -1;
 378 #ifdef CONFIG_TDLS
 379 #ifdef CONFIG_TDLS_TESTING
 380         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
 381                 extern unsigned int tdls_testing;
 382                 tdls_testing = strtol(value, NULL, 0);
 383                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
 384 #endif /* CONFIG_TDLS_TESTING */
 385         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
 386                 int disabled = atoi(value);
 387                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
 388                 if (disabled) {
 389                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
 390                                 ret = -1;
 391                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
 392                         ret = -1;
 393                 wpa_tdls_enable(wpa_s->wpa, !disabled);
 394 #endif /* CONFIG_TDLS */
 395         } else if (os_strcasecmp(cmd, "pno") == 0) {
 396                 ret = wpas_ctrl_pno(wpa_s, value);
 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 #ifdef CONFIG_TESTING_OPTIONS
 456         } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
 457                 wpa_s->ext_mgmt_frame_handling = !!atoi(value);
 458         } else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
 459                 wpa_s->ext_eapol_frame_io = !!atoi(value);
 460 #ifdef CONFIG_AP
 461                 if (wpa_s->ap_iface) {
 462                         wpa_s->ap_iface->bss[0]->ext_eapol_frame_io =
 463                                 wpa_s->ext_eapol_frame_io;
 464                 }
 465 #endif /* CONFIG_AP */
 466         } else if (os_strcasecmp(cmd, "extra_roc_dur") == 0) {
 467                 wpa_s->extra_roc_dur = atoi(value);
 468         } else if (os_strcasecmp(cmd, "test_failure") == 0) {
 469                 wpa_s->test_failure = atoi(value);
 470 #endif /* CONFIG_TESTING_OPTIONS */
 471 #ifndef CONFIG_NO_CONFIG_BLOBS
 472         } else if (os_strcmp(cmd, "blob") == 0) {
 473                 ret = wpas_ctrl_set_blob(wpa_s, value);
 474 #endif /* CONFIG_NO_CONFIG_BLOBS */
 475         } else if (os_strcasecmp(cmd, "setband") == 0) {
 476                 ret = wpas_ctrl_set_band(wpa_s, value);
 477         } else {
 478                 value[-1] = '=';
 479                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
 480                 if (ret == 0)
 481                         wpa_supplicant_update_config(wpa_s);
 482         }
 483
 484         return ret;
 485 }
 486
 487
 488 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
 489                                          char *cmd, char *buf, size_t buflen)
 490 {
 491         int res = -1;
 492
 493         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
 494
 495         if (os_strcmp(cmd, "version") == 0) {
 496                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
 497         } else if (os_strcasecmp(cmd, "country") == 0) {
 498                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
 499                         res = os_snprintf(buf, buflen, "%c%c",
 500                                           wpa_s->conf->country[0],
 501                                           wpa_s->conf->country[1]);
 502 #ifdef CONFIG_WIFI_DISPLAY
 503         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 504                 int enabled;
 505                 if (wpa_s->global->p2p == NULL ||
 506                     wpa_s->global->p2p_disabled)
 507                         enabled = 0;
 508                 else
 509                         enabled = wpa_s->global->wifi_display;
 510                 res = os_snprintf(buf, buflen, "%d", enabled);
 511 #endif /* CONFIG_WIFI_DISPLAY */
 512 #ifdef CONFIG_TESTING_GET_GTK
 513         } else if (os_strcmp(cmd, "gtk") == 0) {
 514                 if (wpa_s->last_gtk_len == 0)
 515                         return -1;
 516                 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
 517                                        wpa_s->last_gtk_len);
 518                 return res;
 519 #endif /* CONFIG_TESTING_GET_GTK */
 520         } else if (os_strcmp(cmd, "tls_library") == 0) {
 521                 res = tls_get_library_version(buf, buflen);
 522         } else {
 523                 res = wpa_config_get_value(cmd, wpa_s->conf, buf, buflen);
 524         }
 525
 526         if (os_snprintf_error(buflen, res))
 527                 return -1;
 528         return res;
 529 }
 530
 531
 532 #ifdef IEEE8021X_EAPOL
 533 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
 534                                              char *addr)
 535 {
 536         u8 bssid[ETH_ALEN];
 537         struct wpa_ssid *ssid = wpa_s->current_ssid;
 538
 539         if (hwaddr_aton(addr, bssid)) {
 540                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
 541                            "'%s'", addr);
 542                 return -1;
 543         }
 544
 545         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
 546         rsn_preauth_deinit(wpa_s->wpa);
 547         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
 548                 return -1;
 549
 550         return 0;
 551 }
 552 #endif /* IEEE8021X_EAPOL */
 553
 554
 555 #ifdef CONFIG_PEERKEY
 556 /* MLME-STKSTART.request(peer) */
 557 static int wpa_supplicant_ctrl_iface_stkstart(
 558         struct wpa_supplicant *wpa_s, char *addr)
 559 {
 560         u8 peer[ETH_ALEN];
 561
 562         if (hwaddr_aton(addr, peer)) {
 563                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
 564                            "address '%s'", addr);
 565                 return -1;
 566         }
 567
 568         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
 569                    MAC2STR(peer));
 570
 571         return wpa_sm_stkstart(wpa_s->wpa, peer);
 572 }
 573 #endif /* CONFIG_PEERKEY */
 574
 575
 576 #ifdef CONFIG_TDLS
 577
 578 static int wpa_supplicant_ctrl_iface_tdls_discover(
 579         struct wpa_supplicant *wpa_s, char *addr)
 580 {
 581         u8 peer[ETH_ALEN];
 582         int ret;
 583
 584         if (hwaddr_aton(addr, peer)) {
 585                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
 586                            "address '%s'", addr);
 587                 return -1;
 588         }
 589
 590         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
 591                    MAC2STR(peer));
 592
 593         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 594                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
 595         else
 596                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
 597
 598         return ret;
 599 }
 600
 601
 602 static int wpa_supplicant_ctrl_iface_tdls_setup(
 603         struct wpa_supplicant *wpa_s, char *addr)
 604 {
 605         u8 peer[ETH_ALEN];
 606         int ret;
 607
 608         if (hwaddr_aton(addr, peer)) {
 609                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
 610                            "address '%s'", addr);
 611                 return -1;
 612         }
 613
 614         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
 615                    MAC2STR(peer));
 616
 617         if ((wpa_s->conf->tdls_external_control) &&
 618             wpa_tdls_is_external_setup(wpa_s->wpa))
 619                 return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 620
 621         wpa_tdls_remove(wpa_s->wpa, peer);
 622
 623         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 624                 ret = wpa_tdls_start(wpa_s->wpa, peer);
 625         else
 626                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 627
 628         return ret;
 629 }
 630
 631
 632 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 633         struct wpa_supplicant *wpa_s, char *addr)
 634 {
 635         u8 peer[ETH_ALEN];
 636         int ret;
 637
 638         if (os_strcmp(addr, "*") == 0) {
 639                 /* remove everyone */
 640                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN *");
 641                 wpa_tdls_teardown_peers(wpa_s->wpa);
 642                 return 0;
 643         }
 644
 645         if (hwaddr_aton(addr, peer)) {
 646                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 647                            "address '%s'", addr);
 648                 return -1;
 649         }
 650
 651         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 652                    MAC2STR(peer));
 653
 654         if ((wpa_s->conf->tdls_external_control) &&
 655             wpa_tdls_is_external_setup(wpa_s->wpa))
 656                 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 657
 658         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 659                 ret = wpa_tdls_teardown_link(
 660                         wpa_s->wpa, peer,
 661                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 662         else
 663                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 664
 665         return ret;
 666 }
 667
 668
 669 static int ctrl_iface_get_capability_tdls(
 670         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
 671 {
 672         int ret;
 673
 674         ret = os_snprintf(buf, buflen, "%s\n",
 675                           wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
 676                           (wpa_s->drv_flags &
 677                            WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
 678                            "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
 679         if (os_snprintf_error(buflen, ret))
 680                 return -1;
 681         return ret;
 682 }
 683
 684
 685 static int wpa_supplicant_ctrl_iface_tdls_chan_switch(
 686         struct wpa_supplicant *wpa_s, char *cmd)
 687 {
 688         u8 peer[ETH_ALEN];
 689         struct hostapd_freq_params freq_params;
 690         u8 oper_class;
 691         char *pos, *end;
 692
 693         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
 694                 wpa_printf(MSG_INFO,
 695                            "tdls_chanswitch: Only supported with external setup");
 696                 return -1;
 697         }
 698
 699         os_memset(&freq_params, 0, sizeof(freq_params));
 700
 701         pos = os_strchr(cmd, ' ');
 702         if (pos == NULL)
 703                 return -1;
 704         *pos++ = '\0';
 705
 706         oper_class = strtol(pos, &end, 10);
 707         if (pos == end) {
 708                 wpa_printf(MSG_INFO,
 709                            "tdls_chanswitch: Invalid op class provided");
 710                 return -1;
 711         }
 712
 713         pos = end;
 714         freq_params.freq = atoi(pos);
 715         if (freq_params.freq == 0) {
 716                 wpa_printf(MSG_INFO, "tdls_chanswitch: Invalid freq provided");
 717                 return -1;
 718         }
 719
 720 #define SET_FREQ_SETTING(str) \
 721         do { \
 722                 const char *pos2 = os_strstr(pos, " " #str "="); \
 723                 if (pos2) { \
 724                         pos2 += sizeof(" " #str "=") - 1; \
 725                         freq_params.str = atoi(pos2); \
 726                 } \
 727         } while (0)
 728
 729         SET_FREQ_SETTING(center_freq1);
 730         SET_FREQ_SETTING(center_freq2);
 731         SET_FREQ_SETTING(bandwidth);
 732         SET_FREQ_SETTING(sec_channel_offset);
 733 #undef SET_FREQ_SETTING
 734
 735         freq_params.ht_enabled = !!os_strstr(pos, " ht");
 736         freq_params.vht_enabled = !!os_strstr(pos, " vht");
 737
 738         if (hwaddr_aton(cmd, peer)) {
 739                 wpa_printf(MSG_DEBUG,
 740                            "CTRL_IFACE TDLS_CHAN_SWITCH: Invalid address '%s'",
 741                            cmd);
 742                 return -1;
 743         }
 744
 745         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CHAN_SWITCH " MACSTR
 746                    " OP CLASS %d FREQ %d CENTER1 %d CENTER2 %d BW %d SEC_OFFSET %d%s%s",
 747                    MAC2STR(peer), oper_class, freq_params.freq,
 748                    freq_params.center_freq1, freq_params.center_freq2,
 749                    freq_params.bandwidth, freq_params.sec_channel_offset,
 750                    freq_params.ht_enabled ? " HT" : "",
 751                    freq_params.vht_enabled ? " VHT" : "");
 752
 753         return wpa_tdls_enable_chan_switch(wpa_s->wpa, peer, oper_class,
 754                                            &freq_params);
 755 }
 756
 757
 758 static int wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(
 759         struct wpa_supplicant *wpa_s, char *cmd)
 760 {
 761         u8 peer[ETH_ALEN];
 762
 763         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
 764                 wpa_printf(MSG_INFO,
 765                            "tdls_chanswitch: Only supported with external setup");
 766                 return -1;
 767         }
 768
 769         if (hwaddr_aton(cmd, peer)) {
 770                 wpa_printf(MSG_DEBUG,
 771                            "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH: Invalid address '%s'",
 772                            cmd);
 773                 return -1;
 774         }
 775
 776         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH " MACSTR,
 777                    MAC2STR(peer));
 778
 779         return wpa_tdls_disable_chan_switch(wpa_s->wpa, peer);
 780 }
 781
 782
 783 static int wpa_supplicant_ctrl_iface_tdls_link_status(
 784         struct wpa_supplicant *wpa_s, const char *addr,
 785         char *buf, size_t buflen)
 786 {
 787         u8 peer[ETH_ALEN];
 788         const char *tdls_status;
 789         int ret;
 790
 791         if (hwaddr_aton(addr, peer)) {
 792                 wpa_printf(MSG_DEBUG,
 793                            "CTRL_IFACE TDLS_LINK_STATUS: Invalid address '%s'",
 794                            addr);
 795                 return -1;
 796         }
 797         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS " MACSTR,
 798                    MAC2STR(peer));
 799
 800         tdls_status = wpa_tdls_get_link_status(wpa_s->wpa, peer);
 801         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS: %s", tdls_status);
 802         ret = os_snprintf(buf, buflen, "TDLS link status: %s\n", tdls_status);
 803         if (os_snprintf_error(buflen, ret))
 804                 return -1;
 805
 806         return ret;
 807 }
 808
 809 #endif /* CONFIG_TDLS */
 810
 811
 812 static int wmm_ac_ctrl_addts(struct wpa_supplicant *wpa_s, char *cmd)
 813 {
 814         char *token, *context = NULL;
 815         struct wmm_ac_ts_setup_params params = {
 816                 .tsid = 0xff,
 817                 .direction = 0xff,
 818         };
 819
 820         while ((token = str_token(cmd, " ", &context))) {
 821                 if (sscanf(token, "tsid=%i", &params.tsid) == 1 ||
 822                     sscanf(token, "up=%i", &params.user_priority) == 1 ||
 823                     sscanf(token, "nominal_msdu_size=%i",
 824                            &params.nominal_msdu_size) == 1 ||
 825                     sscanf(token, "mean_data_rate=%i",
 826                            &params.mean_data_rate) == 1 ||
 827                     sscanf(token, "min_phy_rate=%i",
 828                            &params.minimum_phy_rate) == 1 ||
 829                     sscanf(token, "sba=%i",
 830                            &params.surplus_bandwidth_allowance) == 1)
 831                         continue;
 832
 833                 if (os_strcasecmp(token, "downlink") == 0) {
 834                         params.direction = WMM_TSPEC_DIRECTION_DOWNLINK;
 835                 } else if (os_strcasecmp(token, "uplink") == 0) {
 836                         params.direction = WMM_TSPEC_DIRECTION_UPLINK;
 837                 } else if (os_strcasecmp(token, "bidi") == 0) {
 838                         params.direction = WMM_TSPEC_DIRECTION_BI_DIRECTIONAL;
 839                 } else if (os_strcasecmp(token, "fixed_nominal_msdu") == 0) {
 840                         params.fixed_nominal_msdu = 1;
 841                 } else {
 842                         wpa_printf(MSG_DEBUG,
 843                                    "CTRL: Invalid WMM_AC_ADDTS parameter: '%s'",
 844                                    token);
 845                         return -1;
 846                 }
 847
 848         }
 849
 850         return wpas_wmm_ac_addts(wpa_s, &params);
 851 }
 852
 853
 854 static int wmm_ac_ctrl_delts(struct wpa_supplicant *wpa_s, char *cmd)
 855 {
 856         u8 tsid = atoi(cmd);
 857
 858         return wpas_wmm_ac_delts(wpa_s, tsid);
 859 }
 860
 861
 862 #ifdef CONFIG_IEEE80211R
 863 static int wpa_supplicant_ctrl_iface_ft_ds(
 864         struct wpa_supplicant *wpa_s, char *addr)
 865 {
 866         u8 target_ap[ETH_ALEN];
 867         struct wpa_bss *bss;
 868         const u8 *mdie;
 869
 870         if (hwaddr_aton(addr, target_ap)) {
 871                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 872                            "address '%s'", addr);
 873                 return -1;
 874         }
 875
 876         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 877
 878         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 879         if (bss)
 880                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 881         else
 882                 mdie = NULL;
 883
 884         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 885 }
 886 #endif /* CONFIG_IEEE80211R */
 887
 888
 889 #ifdef CONFIG_WPS
 890 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 891                                              char *cmd)
 892 {
 893         u8 bssid[ETH_ALEN], *_bssid = bssid;
 894 #ifdef CONFIG_P2P
 895         u8 p2p_dev_addr[ETH_ALEN];
 896 #endif /* CONFIG_P2P */
 897 #ifdef CONFIG_AP
 898         u8 *_p2p_dev_addr = NULL;
 899 #endif /* CONFIG_AP */
 900
 901         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 902                 _bssid = NULL;
 903 #ifdef CONFIG_P2P
 904         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 905                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 906                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 907                                    "P2P Device Address '%s'",
 908                                    cmd + 13);
 909                         return -1;
 910                 }
 911                 _p2p_dev_addr = p2p_dev_addr;
 912 #endif /* CONFIG_P2P */
 913         } else if (hwaddr_aton(cmd, bssid)) {
 914                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 915                            cmd);
 916                 return -1;
 917         }
 918
 919 #ifdef CONFIG_AP
 920         if (wpa_s->ap_iface)
 921                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 922 #endif /* CONFIG_AP */
 923
 924         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 925 }
 926
 927
 928 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 929                                              char *cmd, char *buf,
 930                                              size_t buflen)
 931 {
 932         u8 bssid[ETH_ALEN], *_bssid = bssid;
 933         char *pin;
 934         int ret;
 935
 936         pin = os_strchr(cmd, ' ');
 937         if (pin)
 938                 *pin++ = '\0';
 939
 940         if (os_strcmp(cmd, "any") == 0)
 941                 _bssid = NULL;
 942         else if (os_strcmp(cmd, "get") == 0) {
 943                 ret = wps_generate_pin();
 944                 goto done;
 945         } else if (hwaddr_aton(cmd, bssid)) {
 946                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 947                            cmd);
 948                 return -1;
 949         }
 950
 951 #ifdef CONFIG_AP
 952         if (wpa_s->ap_iface) {
 953                 int timeout = 0;
 954                 char *pos;
 955
 956                 if (pin) {
 957                         pos = os_strchr(pin, ' ');
 958                         if (pos) {
 959                                 *pos++ = '\0';
 960                                 timeout = atoi(pos);
 961                         }
 962                 }
 963
 964                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 965                                                  buf, buflen, timeout);
 966         }
 967 #endif /* CONFIG_AP */
 968
 969         if (pin) {
 970                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 971                                          DEV_PW_DEFAULT);
 972                 if (ret < 0)
 973                         return -1;
 974                 ret = os_snprintf(buf, buflen, "%s", pin);
 975                 if (os_snprintf_error(buflen, ret))
 976                         return -1;
 977                 return ret;
 978         }
 979
 980         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 981         if (ret < 0)
 982                 return -1;
 983
 984 done:
 985         /* Return the generated PIN */
 986         ret = os_snprintf(buf, buflen, "%08d", ret);
 987         if (os_snprintf_error(buflen, ret))
 988                 return -1;
 989         return ret;
 990 }
 991
 992
 993 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 994         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 995 {
 996         char pin[9];
 997         size_t len;
 998         char *pos;
 999         int ret;
1000
1001         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
1002                               (u8 *) cmd, os_strlen(cmd));
1003         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
1004                 if (*pos < '0' || *pos > '9')
1005                         continue;
1006                 pin[len++] = *pos;
1007                 if (len == 9) {
1008                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
1009                         return -1;
1010                 }
1011         }
1012         if (len != 4 && len != 8) {
1013                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
1014                 return -1;
1015         }
1016         pin[len] = '\0';
1017
1018         if (len == 8) {
1019                 unsigned int pin_val;
1020                 pin_val = atoi(pin);
1021                 if (!wps_pin_valid(pin_val)) {
1022                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
1023                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
1024                         if (os_snprintf_error(buflen, ret))
1025                                 return -1;
1026                         return ret;
1027                 }
1028         }
1029
1030         ret = os_snprintf(buf, buflen, "%s", pin);
1031         if (os_snprintf_error(buflen, ret))
1032                 return -1;
1033
1034         return ret;
1035 }
1036
1037
1038 #ifdef CONFIG_WPS_NFC
1039
1040 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
1041                                              char *cmd)
1042 {
1043         u8 bssid[ETH_ALEN], *_bssid = bssid;
1044
1045         if (cmd == NULL || cmd[0] == '\0')
1046                 _bssid = NULL;
1047         else if (hwaddr_aton(cmd, bssid))
1048                 return -1;
1049
1050         return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
1051                                   0, 0);
1052 }
1053
1054
1055 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
1056         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1057 {
1058         int ndef;
1059         struct wpabuf *buf;
1060         int res;
1061         char *pos;
1062
1063         pos = os_strchr(cmd, ' ');
1064         if (pos)
1065                 *pos++ = '\0';
1066         if (os_strcmp(cmd, "WPS") == 0)
1067                 ndef = 0;
1068         else if (os_strcmp(cmd, "NDEF") == 0)
1069                 ndef = 1;
1070         else
1071                 return -1;
1072
1073         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
1074         if (buf == NULL)
1075                 return -1;
1076
1077         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1078                                          wpabuf_len(buf));
1079         reply[res++] = '\n';
1080         reply[res] = '\0';
1081
1082         wpabuf_free(buf);
1083
1084         return res;
1085 }
1086
1087
1088 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
1089         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1090 {
1091         int ndef;
1092         struct wpabuf *buf;
1093         int res;
1094
1095         if (os_strcmp(cmd, "WPS") == 0)
1096                 ndef = 0;
1097         else if (os_strcmp(cmd, "NDEF") == 0)
1098                 ndef = 1;
1099         else
1100                 return -1;
1101
1102         buf = wpas_wps_nfc_token(wpa_s, ndef);
1103         if (buf == NULL)
1104                 return -1;
1105
1106         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1107                                          wpabuf_len(buf));
1108         reply[res++] = '\n';
1109         reply[res] = '\0';
1110
1111         wpabuf_free(buf);
1112
1113         return res;
1114 }
1115
1116
1117 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
1118         struct wpa_supplicant *wpa_s, char *pos)
1119 {
1120         size_t len;
1121         struct wpabuf *buf;
1122         int ret;
1123         char *freq;
1124         int forced_freq = 0;
1125
1126         freq = strstr(pos, " freq=");
1127         if (freq) {
1128                 *freq = '\0';
1129                 freq += 6;
1130                 forced_freq = atoi(freq);
1131         }
1132
1133         len = os_strlen(pos);
1134         if (len & 0x01)
1135                 return -1;
1136         len /= 2;
1137
1138         buf = wpabuf_alloc(len);
1139         if (buf == NULL)
1140                 return -1;
1141         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
1142                 wpabuf_free(buf);
1143                 return -1;
1144         }
1145
1146         ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
1147         wpabuf_free(buf);
1148
1149         return ret;
1150 }
1151
1152
1153 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
1154                                               char *reply, size_t max_len,
1155                                               int ndef)
1156 {
1157         struct wpabuf *buf;
1158         int res;
1159
1160         buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
1161         if (buf == NULL)
1162                 return -1;
1163
1164         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1165                                          wpabuf_len(buf));
1166         reply[res++] = '\n';
1167         reply[res] = '\0';
1168
1169         wpabuf_free(buf);
1170
1171         return res;
1172 }
1173
1174
1175 #ifdef CONFIG_P2P
1176 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
1177                                               char *reply, size_t max_len,
1178                                               int ndef)
1179 {
1180         struct wpabuf *buf;
1181         int res;
1182
1183         buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
1184         if (buf == NULL) {
1185                 wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
1186                 return -1;
1187         }
1188
1189         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1190                                          wpabuf_len(buf));
1191         reply[res++] = '\n';
1192         reply[res] = '\0';
1193
1194         wpabuf_free(buf);
1195
1196         return res;
1197 }
1198 #endif /* CONFIG_P2P */
1199
1200
1201 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
1202                                           char *cmd, char *reply,
1203                                           size_t max_len)
1204 {
1205         char *pos;
1206         int ndef;
1207
1208         pos = os_strchr(cmd, ' ');
1209         if (pos == NULL)
1210                 return -1;
1211         *pos++ = '\0';
1212
1213         if (os_strcmp(cmd, "WPS") == 0)
1214                 ndef = 0;
1215         else if (os_strcmp(cmd, "NDEF") == 0)
1216                 ndef = 1;
1217         else
1218                 return -1;
1219
1220         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1221                 if (!ndef)
1222                         return -1;
1223                 return wpas_ctrl_nfc_get_handover_req_wps(
1224                         wpa_s, reply, max_len, ndef);
1225         }
1226
1227 #ifdef CONFIG_P2P
1228         if (os_strcmp(pos, "P2P-CR") == 0) {
1229                 return wpas_ctrl_nfc_get_handover_req_p2p(
1230                         wpa_s, reply, max_len, ndef);
1231         }
1232 #endif /* CONFIG_P2P */
1233
1234         return -1;
1235 }
1236
1237
1238 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1239                                               char *reply, size_t max_len,
1240                                               int ndef, int cr, char *uuid)
1241 {
1242         struct wpabuf *buf;
1243         int res;
1244
1245         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1246         if (buf == NULL)
1247                 return -1;
1248
1249         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1250                                          wpabuf_len(buf));
1251         reply[res++] = '\n';
1252         reply[res] = '\0';
1253
1254         wpabuf_free(buf);
1255
1256         return res;
1257 }
1258
1259
1260 #ifdef CONFIG_P2P
1261 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1262                                               char *reply, size_t max_len,
1263                                               int ndef, int tag)
1264 {
1265         struct wpabuf *buf;
1266         int res;
1267
1268         buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1269         if (buf == NULL)
1270                 return -1;
1271
1272         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1273                                          wpabuf_len(buf));
1274         reply[res++] = '\n';
1275         reply[res] = '\0';
1276
1277         wpabuf_free(buf);
1278
1279         return res;
1280 }
1281 #endif /* CONFIG_P2P */
1282
1283
1284 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1285                                           char *cmd, char *reply,
1286                                           size_t max_len)
1287 {
1288         char *pos, *pos2;
1289         int ndef;
1290
1291         pos = os_strchr(cmd, ' ');
1292         if (pos == NULL)
1293                 return -1;
1294         *pos++ = '\0';
1295
1296         if (os_strcmp(cmd, "WPS") == 0)
1297                 ndef = 0;
1298         else if (os_strcmp(cmd, "NDEF") == 0)
1299                 ndef = 1;
1300         else
1301                 return -1;
1302
1303         pos2 = os_strchr(pos, ' ');
1304         if (pos2)
1305                 *pos2++ = '\0';
1306         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1307                 if (!ndef)
1308                         return -1;
1309                 return wpas_ctrl_nfc_get_handover_sel_wps(
1310                         wpa_s, reply, max_len, ndef,
1311                         os_strcmp(pos, "WPS-CR") == 0, pos2);
1312         }
1313
1314 #ifdef CONFIG_P2P
1315         if (os_strcmp(pos, "P2P-CR") == 0) {
1316                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1317                         wpa_s, reply, max_len, ndef, 0);
1318         }
1319
1320         if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1321                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1322                         wpa_s, reply, max_len, ndef, 1);
1323         }
1324 #endif /* CONFIG_P2P */
1325
1326         return -1;
1327 }
1328
1329
1330 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1331                                          char *cmd)
1332 {
1333         size_t len;
1334         struct wpabuf *req, *sel;
1335         int ret;
1336         char *pos, *role, *type, *pos2;
1337 #ifdef CONFIG_P2P
1338         char *freq;
1339         int forced_freq = 0;
1340
1341         freq = strstr(cmd, " freq=");
1342         if (freq) {
1343                 *freq = '\0';
1344                 freq += 6;
1345                 forced_freq = atoi(freq);
1346         }
1347 #endif /* CONFIG_P2P */
1348
1349         role = cmd;
1350         pos = os_strchr(role, ' ');
1351         if (pos == NULL) {
1352                 wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1353                 return -1;
1354         }
1355         *pos++ = '\0';
1356
1357         type = pos;
1358         pos = os_strchr(type, ' ');
1359         if (pos == NULL) {
1360                 wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1361                 return -1;
1362         }
1363         *pos++ = '\0';
1364
1365         pos2 = os_strchr(pos, ' ');
1366         if (pos2 == NULL) {
1367                 wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1368                 return -1;
1369         }
1370         *pos2++ = '\0';
1371
1372         len = os_strlen(pos);
1373         if (len & 0x01) {
1374                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1375                 return -1;
1376         }
1377         len /= 2;
1378
1379         req = wpabuf_alloc(len);
1380         if (req == NULL) {
1381                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1382                 return -1;
1383         }
1384         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1385                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1386                 wpabuf_free(req);
1387                 return -1;
1388         }
1389
1390         len = os_strlen(pos2);
1391         if (len & 0x01) {
1392                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1393                 wpabuf_free(req);
1394                 return -1;
1395         }
1396         len /= 2;
1397
1398         sel = wpabuf_alloc(len);
1399         if (sel == NULL) {
1400                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1401                 wpabuf_free(req);
1402                 return -1;
1403         }
1404         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1405                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1406                 wpabuf_free(req);
1407                 wpabuf_free(sel);
1408                 return -1;
1409         }
1410
1411         wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1412                    role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1413
1414         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1415                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1416 #ifdef CONFIG_AP
1417         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1418         {
1419                 ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1420                 if (ret < 0)
1421                         ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1422 #endif /* CONFIG_AP */
1423 #ifdef CONFIG_P2P
1424         } else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1425         {
1426                 ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1427         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1428         {
1429                 ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1430                                                    forced_freq);
1431 #endif /* CONFIG_P2P */
1432         } else {
1433                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1434                            "reported: role=%s type=%s", role, type);
1435                 ret = -1;
1436         }
1437         wpabuf_free(req);
1438         wpabuf_free(sel);
1439
1440         if (ret)
1441                 wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1442
1443         return ret;
1444 }
1445
1446 #endif /* CONFIG_WPS_NFC */
1447
1448
1449 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1450                                              char *cmd)
1451 {
1452         u8 bssid[ETH_ALEN];
1453         char *pin;
1454         char *new_ssid;
1455         char *new_auth;
1456         char *new_encr;
1457         char *new_key;
1458         struct wps_new_ap_settings ap;
1459
1460         pin = os_strchr(cmd, ' ');
1461         if (pin == NULL)
1462                 return -1;
1463         *pin++ = '\0';
1464
1465         if (hwaddr_aton(cmd, bssid)) {
1466                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1467                            cmd);
1468                 return -1;
1469         }
1470
1471         new_ssid = os_strchr(pin, ' ');
1472         if (new_ssid == NULL)
1473                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1474         *new_ssid++ = '\0';
1475
1476         new_auth = os_strchr(new_ssid, ' ');
1477         if (new_auth == NULL)
1478                 return -1;
1479         *new_auth++ = '\0';
1480
1481         new_encr = os_strchr(new_auth, ' ');
1482         if (new_encr == NULL)
1483                 return -1;
1484         *new_encr++ = '\0';
1485
1486         new_key = os_strchr(new_encr, ' ');
1487         if (new_key == NULL)
1488                 return -1;
1489         *new_key++ = '\0';
1490
1491         os_memset(&ap, 0, sizeof(ap));
1492         ap.ssid_hex = new_ssid;
1493         ap.auth = new_auth;
1494         ap.encr = new_encr;
1495         ap.key_hex = new_key;
1496         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1497 }
1498
1499
1500 #ifdef CONFIG_AP
1501 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1502                                                 char *cmd, char *buf,
1503                                                 size_t buflen)
1504 {
1505         int timeout = 300;
1506         char *pos;
1507         const char *pin_txt;
1508
1509         if (!wpa_s->ap_iface)
1510                 return -1;
1511
1512         pos = os_strchr(cmd, ' ');
1513         if (pos)
1514                 *pos++ = '\0';
1515
1516         if (os_strcmp(cmd, "disable") == 0) {
1517                 wpas_wps_ap_pin_disable(wpa_s);
1518                 return os_snprintf(buf, buflen, "OK\n");
1519         }
1520
1521         if (os_strcmp(cmd, "random") == 0) {
1522                 if (pos)
1523                         timeout = atoi(pos);
1524                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1525                 if (pin_txt == NULL)
1526                         return -1;
1527                 return os_snprintf(buf, buflen, "%s", pin_txt);
1528         }
1529
1530         if (os_strcmp(cmd, "get") == 0) {
1531                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1532                 if (pin_txt == NULL)
1533                         return -1;
1534                 return os_snprintf(buf, buflen, "%s", pin_txt);
1535         }
1536
1537         if (os_strcmp(cmd, "set") == 0) {
1538                 char *pin;
1539                 if (pos == NULL)
1540                         return -1;
1541                 pin = pos;
1542                 pos = os_strchr(pos, ' ');
1543                 if (pos) {
1544                         *pos++ = '\0';
1545                         timeout = atoi(pos);
1546                 }
1547                 if (os_strlen(pin) > buflen)
1548                         return -1;
1549                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1550                         return -1;
1551                 return os_snprintf(buf, buflen, "%s", pin);
1552         }
1553
1554         return -1;
1555 }
1556 #endif /* CONFIG_AP */
1557
1558
1559 #ifdef CONFIG_WPS_ER
1560 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1561                                                 char *cmd)
1562 {
1563         char *uuid = cmd, *pin, *pos;
1564         u8 addr_buf[ETH_ALEN], *addr = NULL;
1565         pin = os_strchr(uuid, ' ');
1566         if (pin == NULL)
1567                 return -1;
1568         *pin++ = '\0';
1569         pos = os_strchr(pin, ' ');
1570         if (pos) {
1571                 *pos++ = '\0';
1572                 if (hwaddr_aton(pos, addr_buf) == 0)
1573                         addr = addr_buf;
1574         }
1575         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1576 }
1577
1578
1579 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1580                                                   char *cmd)
1581 {
1582         char *uuid = cmd, *pin;
1583         pin = os_strchr(uuid, ' ');
1584         if (pin == NULL)
1585                 return -1;
1586         *pin++ = '\0';
1587         return wpas_wps_er_learn(wpa_s, uuid, pin);
1588 }
1589
1590
1591 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1592         struct wpa_supplicant *wpa_s, char *cmd)
1593 {
1594         char *uuid = cmd, *id;
1595         id = os_strchr(uuid, ' ');
1596         if (id == NULL)
1597                 return -1;
1598         *id++ = '\0';
1599         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1600 }
1601
1602
1603 static int wpa_supplicant_ctrl_iface_wps_er_config(
1604         struct wpa_supplicant *wpa_s, char *cmd)
1605 {
1606         char *pin;
1607         char *new_ssid;
1608         char *new_auth;
1609         char *new_encr;
1610         char *new_key;
1611         struct wps_new_ap_settings ap;
1612
1613         pin = os_strchr(cmd, ' ');
1614         if (pin == NULL)
1615                 return -1;
1616         *pin++ = '\0';
1617
1618         new_ssid = os_strchr(pin, ' ');
1619         if (new_ssid == NULL)
1620                 return -1;
1621         *new_ssid++ = '\0';
1622
1623         new_auth = os_strchr(new_ssid, ' ');
1624         if (new_auth == NULL)
1625                 return -1;
1626         *new_auth++ = '\0';
1627
1628         new_encr = os_strchr(new_auth, ' ');
1629         if (new_encr == NULL)
1630                 return -1;
1631         *new_encr++ = '\0';
1632
1633         new_key = os_strchr(new_encr, ' ');
1634         if (new_key == NULL)
1635                 return -1;
1636         *new_key++ = '\0';
1637
1638         os_memset(&ap, 0, sizeof(ap));
1639         ap.ssid_hex = new_ssid;
1640         ap.auth = new_auth;
1641         ap.encr = new_encr;
1642         ap.key_hex = new_key;
1643         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1644 }
1645
1646
1647 #ifdef CONFIG_WPS_NFC
1648 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1649         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1650 {
1651         int ndef;
1652         struct wpabuf *buf;
1653         int res;
1654         char *uuid;
1655
1656         uuid = os_strchr(cmd, ' ');
1657         if (uuid == NULL)
1658                 return -1;
1659         *uuid++ = '\0';
1660
1661         if (os_strcmp(cmd, "WPS") == 0)
1662                 ndef = 0;
1663         else if (os_strcmp(cmd, "NDEF") == 0)
1664                 ndef = 1;
1665         else
1666                 return -1;
1667
1668         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1669         if (buf == NULL)
1670                 return -1;
1671
1672         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1673                                          wpabuf_len(buf));
1674         reply[res++] = '\n';
1675         reply[res] = '\0';
1676
1677         wpabuf_free(buf);
1678
1679         return res;
1680 }
1681 #endif /* CONFIG_WPS_NFC */
1682 #endif /* CONFIG_WPS_ER */
1683
1684 #endif /* CONFIG_WPS */
1685
1686
1687 #ifdef CONFIG_IBSS_RSN
1688 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1689         struct wpa_supplicant *wpa_s, char *addr)
1690 {
1691         u8 peer[ETH_ALEN];
1692
1693         if (hwaddr_aton(addr, peer)) {
1694                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1695                            "address '%s'", addr);
1696                 return -1;
1697         }
1698
1699         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1700                    MAC2STR(peer));
1701
1702         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1703 }
1704 #endif /* CONFIG_IBSS_RSN */
1705
1706
1707 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1708                                               char *rsp)
1709 {
1710 #ifdef IEEE8021X_EAPOL
1711         char *pos, *id_pos;
1712         int id;
1713         struct wpa_ssid *ssid;
1714
1715         pos = os_strchr(rsp, '-');
1716         if (pos == NULL)
1717                 return -1;
1718         *pos++ = '\0';
1719         id_pos = pos;
1720         pos = os_strchr(pos, ':');
1721         if (pos == NULL)
1722                 return -1;
1723         *pos++ = '\0';
1724         id = atoi(id_pos);
1725         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1726         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1727                               (u8 *) pos, os_strlen(pos));
1728
1729         ssid = wpa_config_get_network(wpa_s->conf, id);
1730         if (ssid == NULL) {
1731                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1732                            "to update", id);
1733                 return -1;
1734         }
1735
1736         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1737                                                          pos);
1738 #else /* IEEE8021X_EAPOL */
1739         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1740         return -1;
1741 #endif /* IEEE8021X_EAPOL */
1742 }
1743
1744
1745 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1746                                             const char *params,
1747                                             char *buf, size_t buflen)
1748 {
1749         char *pos, *end, tmp[30];
1750         int res, verbose, wps, ret;
1751 #ifdef CONFIG_HS20
1752         const u8 *hs20;
1753 #endif /* CONFIG_HS20 */
1754         const u8 *sess_id;
1755         size_t sess_id_len;
1756
1757         if (os_strcmp(params, "-DRIVER") == 0)
1758                 return wpa_drv_status(wpa_s, buf, buflen);
1759         verbose = os_strcmp(params, "-VERBOSE") == 0;
1760         wps = os_strcmp(params, "-WPS") == 0;
1761         pos = buf;
1762         end = buf + buflen;
1763         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1764                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1765                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1766                                   MAC2STR(wpa_s->bssid));
1767                 if (os_snprintf_error(end - pos, ret))
1768                         return pos - buf;
1769                 pos += ret;
1770                 ret = os_snprintf(pos, end - pos, "freq=%u\n",
1771                                   wpa_s->assoc_freq);
1772                 if (os_snprintf_error(end - pos, ret))
1773                         return pos - buf;
1774                 pos += ret;
1775                 if (ssid) {
1776                         u8 *_ssid = ssid->ssid;
1777                         size_t ssid_len = ssid->ssid_len;
1778                         u8 ssid_buf[SSID_MAX_LEN];
1779                         if (ssid_len == 0) {
1780                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1781                                 if (_res < 0)
1782                                         ssid_len = 0;
1783                                 else
1784                                         ssid_len = _res;
1785                                 _ssid = ssid_buf;
1786                         }
1787                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1788                                           wpa_ssid_txt(_ssid, ssid_len),
1789                                           ssid->id);
1790                         if (os_snprintf_error(end - pos, ret))
1791                                 return pos - buf;
1792                         pos += ret;
1793
1794                         if (wps && ssid->passphrase &&
1795                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1796                             (ssid->mode == WPAS_MODE_AP ||
1797                              ssid->mode == WPAS_MODE_P2P_GO)) {
1798                                 ret = os_snprintf(pos, end - pos,
1799                                                   "passphrase=%s\n",
1800                                                   ssid->passphrase);
1801                                 if (os_snprintf_error(end - pos, ret))
1802                                         return pos - buf;
1803                                 pos += ret;
1804                         }
1805                         if (ssid->id_str) {
1806                                 ret = os_snprintf(pos, end - pos,
1807                                                   "id_str=%s\n",
1808                                                   ssid->id_str);
1809                                 if (os_snprintf_error(end - pos, ret))
1810                                         return pos - buf;
1811                                 pos += ret;
1812                         }
1813
1814                         switch (ssid->mode) {
1815                         case WPAS_MODE_INFRA:
1816                                 ret = os_snprintf(pos, end - pos,
1817                                                   "mode=station\n");
1818                                 break;
1819                         case WPAS_MODE_IBSS:
1820                                 ret = os_snprintf(pos, end - pos,
1821                                                   "mode=IBSS\n");
1822                                 break;
1823                         case WPAS_MODE_AP:
1824                                 ret = os_snprintf(pos, end - pos,
1825                                                   "mode=AP\n");
1826                                 break;
1827                         case WPAS_MODE_P2P_GO:
1828                                 ret = os_snprintf(pos, end - pos,
1829                                                   "mode=P2P GO\n");
1830                                 break;
1831                         case WPAS_MODE_P2P_GROUP_FORMATION:
1832                                 ret = os_snprintf(pos, end - pos,
1833                                                   "mode=P2P GO - group "
1834                                                   "formation\n");
1835                                 break;
1836                         default:
1837                                 ret = 0;
1838                                 break;
1839                         }
1840                         if (os_snprintf_error(end - pos, ret))
1841                                 return pos - buf;
1842                         pos += ret;
1843                 }
1844
1845 #ifdef CONFIG_AP
1846                 if (wpa_s->ap_iface) {
1847                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1848                                                             end - pos,
1849                                                             verbose);
1850                 } else
1851 #endif /* CONFIG_AP */
1852                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1853         }
1854 #ifdef CONFIG_SAE
1855         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1856 #ifdef CONFIG_AP
1857             !wpa_s->ap_iface &&
1858 #endif /* CONFIG_AP */
1859             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1860                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1861                                   wpa_s->sme.sae.group);
1862                 if (os_snprintf_error(end - pos, ret))
1863                         return pos - buf;
1864                 pos += ret;
1865         }
1866 #endif /* CONFIG_SAE */
1867         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1868                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1869         if (os_snprintf_error(end - pos, ret))
1870                 return pos - buf;
1871         pos += ret;
1872
1873         if (wpa_s->l2 &&
1874             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1875                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1876                 if (os_snprintf_error(end - pos, ret))
1877                         return pos - buf;
1878                 pos += ret;
1879         }
1880
1881 #ifdef CONFIG_P2P
1882         if (wpa_s->global->p2p) {
1883                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1884                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1885                 if (os_snprintf_error(end - pos, ret))
1886                         return pos - buf;
1887                 pos += ret;
1888         }
1889 #endif /* CONFIG_P2P */
1890
1891         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1892                           MAC2STR(wpa_s->own_addr));
1893         if (os_snprintf_error(end - pos, ret))
1894                 return pos - buf;
1895         pos += ret;
1896
1897 #ifdef CONFIG_HS20
1898         if (wpa_s->current_bss &&
1899             (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1900                                           HS20_IE_VENDOR_TYPE)) &&
1901             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1902             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1903                 int release = 1;
1904                 if (hs20[1] >= 5) {
1905                         u8 rel_num = (hs20[6] & 0xf0) >> 4;
1906                         release = rel_num + 1;
1907                 }
1908                 ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
1909                 if (os_snprintf_error(end - pos, ret))
1910                         return pos - buf;
1911                 pos += ret;
1912         }
1913
1914         if (wpa_s->current_ssid) {
1915                 struct wpa_cred *cred;
1916                 char *type;
1917
1918                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1919                         size_t i;
1920
1921                         if (wpa_s->current_ssid->parent_cred != cred)
1922                                 continue;
1923
1924                         if (cred->provisioning_sp) {
1925                                 ret = os_snprintf(pos, end - pos,
1926                                                   "provisioning_sp=%s\n",
1927                                                   cred->provisioning_sp);
1928                                 if (os_snprintf_error(end - pos, ret))
1929                                         return pos - buf;
1930                                 pos += ret;
1931                         }
1932
1933                         if (!cred->domain)
1934                                 goto no_domain;
1935
1936                         i = 0;
1937                         if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
1938                                 struct wpabuf *names =
1939                                         wpa_s->current_bss->anqp->domain_name;
1940                                 for (i = 0; names && i < cred->num_domain; i++)
1941                                 {
1942                                         if (domain_name_list_contains(
1943                                                     names, cred->domain[i], 1))
1944                                                 break;
1945                                 }
1946                                 if (i == cred->num_domain)
1947                                         i = 0; /* show first entry by default */
1948                         }
1949                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1950                                           cred->domain[i]);
1951                         if (os_snprintf_error(end - pos, ret))
1952                                 return pos - buf;
1953                         pos += ret;
1954
1955                 no_domain:
1956                         if (wpa_s->current_bss == NULL ||
1957                             wpa_s->current_bss->anqp == NULL)
1958                                 res = -1;
1959                         else
1960                                 res = interworking_home_sp_cred(
1961                                         wpa_s, cred,
1962                                         wpa_s->current_bss->anqp->domain_name);
1963                         if (res > 0)
1964                                 type = "home";
1965                         else if (res == 0)
1966                                 type = "roaming";
1967                         else
1968                                 type = "unknown";
1969
1970                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1971                         if (os_snprintf_error(end - pos, ret))
1972                                 return pos - buf;
1973                         pos += ret;
1974
1975                         break;
1976                 }
1977         }
1978 #endif /* CONFIG_HS20 */
1979
1980         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1981             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1982                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1983                                           verbose);
1984                 if (res >= 0)
1985                         pos += res;
1986         }
1987
1988         sess_id = eapol_sm_get_session_id(wpa_s->eapol, &sess_id_len);
1989         if (sess_id) {
1990                 char *start = pos;
1991
1992                 ret = os_snprintf(pos, end - pos, "eap_session_id=");
1993                 if (os_snprintf_error(end - pos, ret))
1994                         return start - buf;
1995                 pos += ret;
1996                 ret = wpa_snprintf_hex(pos, end - pos, sess_id, sess_id_len);
1997                 if (ret <= 0)
1998                         return start - buf;
1999                 pos += ret;
2000                 ret = os_snprintf(pos, end - pos, "\n");
2001                 if (os_snprintf_error(end - pos, ret))
2002                         return start - buf;
2003                 pos += ret;
2004         }
2005
2006         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
2007         if (res >= 0)
2008                 pos += res;
2009
2010 #ifdef CONFIG_WPS
2011         {
2012                 char uuid_str[100];
2013                 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
2014                 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
2015                 if (os_snprintf_error(end - pos, ret))
2016                         return pos - buf;
2017                 pos += ret;
2018         }
2019 #endif /* CONFIG_WPS */
2020
2021 #ifdef ANDROID
2022         /*
2023          * Allow using the STATUS command with default behavior, say for debug,
2024          * i.e., don't generate a "fake" CONNECTION and SUPPLICANT_STATE_CHANGE
2025          * events with STATUS-NO_EVENTS.
2026          */
2027         if (os_strcmp(params, "-NO_EVENTS")) {
2028                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
2029                              "id=%d state=%d BSSID=" MACSTR " SSID=%s",
2030                              wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
2031                              wpa_s->wpa_state,
2032                              MAC2STR(wpa_s->bssid),
2033                              wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
2034                              wpa_ssid_txt(wpa_s->current_ssid->ssid,
2035                                           wpa_s->current_ssid->ssid_len) : "");
2036                 if (wpa_s->wpa_state == WPA_COMPLETED) {
2037                         struct wpa_ssid *ssid = wpa_s->current_ssid;
2038                         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
2039                                      "- connection to " MACSTR
2040                                      " completed %s [id=%d id_str=%s]",
2041                                      MAC2STR(wpa_s->bssid), "(auth)",
2042                                      ssid ? ssid->id : -1,
2043                                      ssid && ssid->id_str ? ssid->id_str : "");
2044                 }
2045         }
2046 #endif /* ANDROID */
2047
2048         return pos - buf;
2049 }
2050
2051
2052 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
2053                                            char *cmd)
2054 {
2055         char *pos;
2056         int id;
2057         struct wpa_ssid *ssid;
2058         u8 bssid[ETH_ALEN];
2059
2060         /* cmd: "<network id> <BSSID>" */
2061         pos = os_strchr(cmd, ' ');
2062         if (pos == NULL)
2063                 return -1;
2064         *pos++ = '\0';
2065         id = atoi(cmd);
2066         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
2067         if (hwaddr_aton(pos, bssid)) {
2068                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
2069                 return -1;
2070         }
2071
2072         ssid = wpa_config_get_network(wpa_s->conf, id);
2073         if (ssid == NULL) {
2074                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
2075                            "to update", id);
2076                 return -1;
2077         }
2078
2079         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
2080         ssid->bssid_set = !is_zero_ether_addr(bssid);
2081
2082         return 0;
2083 }
2084
2085
2086 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
2087                                                char *cmd, char *buf,
2088                                                size_t buflen)
2089 {
2090         u8 bssid[ETH_ALEN];
2091         struct wpa_blacklist *e;
2092         char *pos, *end;
2093         int ret;
2094
2095         /* cmd: "BLACKLIST [<BSSID>]" */
2096         if (*cmd == '\0') {
2097                 pos = buf;
2098                 end = buf + buflen;
2099                 e = wpa_s->blacklist;
2100                 while (e) {
2101                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
2102                                           MAC2STR(e->bssid));
2103                         if (os_snprintf_error(end - pos, ret))
2104                                 return pos - buf;
2105                         pos += ret;
2106                         e = e->next;
2107                 }
2108                 return pos - buf;
2109         }
2110
2111         cmd++;
2112         if (os_strncmp(cmd, "clear", 5) == 0) {
2113                 wpa_blacklist_clear(wpa_s);
2114                 os_memcpy(buf, "OK\n", 3);
2115                 return 3;
2116         }
2117
2118         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
2119         if (hwaddr_aton(cmd, bssid)) {
2120                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
2121                 return -1;
2122         }
2123
2124         /*
2125          * Add the BSSID twice, so its count will be 2, causing it to be
2126          * skipped when processing scan results.
2127          */
2128         ret = wpa_blacklist_add(wpa_s, bssid);
2129         if (ret < 0)
2130                 return -1;
2131         ret = wpa_blacklist_add(wpa_s, bssid);
2132         if (ret < 0)
2133                 return -1;
2134         os_memcpy(buf, "OK\n", 3);
2135         return 3;
2136 }
2137
2138
2139 static const char * debug_level_str(int level)
2140 {
2141         switch (level) {
2142         case MSG_EXCESSIVE:
2143                 return "EXCESSIVE";
2144         case MSG_MSGDUMP:
2145                 return "MSGDUMP";
2146         case MSG_DEBUG:
2147                 return "DEBUG";
2148         case MSG_INFO:
2149                 return "INFO";
2150         case MSG_WARNING:
2151                 return "WARNING";
2152         case MSG_ERROR:
2153                 return "ERROR";
2154         default:
2155                 return "?";
2156         }
2157 }
2158
2159
2160 static int str_to_debug_level(const char *s)
2161 {
2162         if (os_strcasecmp(s, "EXCESSIVE") == 0)
2163                 return MSG_EXCESSIVE;
2164         if (os_strcasecmp(s, "MSGDUMP") == 0)
2165                 return MSG_MSGDUMP;
2166         if (os_strcasecmp(s, "DEBUG") == 0)
2167                 return MSG_DEBUG;
2168         if (os_strcasecmp(s, "INFO") == 0)
2169                 return MSG_INFO;
2170         if (os_strcasecmp(s, "WARNING") == 0)
2171                 return MSG_WARNING;
2172         if (os_strcasecmp(s, "ERROR") == 0)
2173                 return MSG_ERROR;
2174         return -1;
2175 }
2176
2177
2178 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
2179                                                char *cmd, char *buf,
2180                                                size_t buflen)
2181 {
2182         char *pos, *end, *stamp;
2183         int ret;
2184
2185         /* cmd: "LOG_LEVEL [<level>]" */
2186         if (*cmd == '\0') {
2187                 pos = buf;
2188                 end = buf + buflen;
2189                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
2190                                   "Timestamp: %d\n",
2191                                   debug_level_str(wpa_debug_level),
2192                                   wpa_debug_timestamp);
2193                 if (os_snprintf_error(end - pos, ret))
2194                         ret = 0;
2195
2196                 return ret;
2197         }
2198
2199         while (*cmd == ' ')
2200                 cmd++;
2201
2202         stamp = os_strchr(cmd, ' ');
2203         if (stamp) {
2204                 *stamp++ = '\0';
2205                 while (*stamp == ' ') {
2206                         stamp++;
2207                 }
2208         }
2209
2210         if (cmd && os_strlen(cmd)) {
2211                 int level = str_to_debug_level(cmd);
2212                 if (level < 0)
2213                         return -1;
2214                 wpa_debug_level = level;
2215         }
2216
2217         if (stamp && os_strlen(stamp))
2218                 wpa_debug_timestamp = atoi(stamp);
2219
2220         os_memcpy(buf, "OK\n", 3);
2221         return 3;
2222 }
2223
2224
2225 static int wpa_supplicant_ctrl_iface_list_networks(
2226         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2227 {
2228         char *pos, *end, *prev;
2229         struct wpa_ssid *ssid;
2230         int ret;
2231
2232         pos = buf;
2233         end = buf + buflen;
2234         ret = os_snprintf(pos, end - pos,
2235                           "network id / ssid / bssid / flags\n");
2236         if (os_snprintf_error(end - pos, ret))
2237                 return pos - buf;
2238         pos += ret;
2239
2240         ssid = wpa_s->conf->ssid;
2241
2242         /* skip over ssids until we find next one */
2243         if (cmd != NULL && os_strncmp(cmd, "LAST_ID=", 8) == 0) {
2244                 int last_id = atoi(cmd + 8);
2245                 if (last_id != -1) {
2246                         while (ssid != NULL && ssid->id <= last_id) {
2247                                 ssid = ssid->next;
2248                         }
2249                 }
2250         }
2251
2252         while (ssid) {
2253                 prev = pos;
2254                 ret = os_snprintf(pos, end - pos, "%d\t%s",
2255                                   ssid->id,
2256                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2257                 if (os_snprintf_error(end - pos, ret))
2258                         return prev - buf;
2259                 pos += ret;
2260                 if (ssid->bssid_set) {
2261                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2262                                           MAC2STR(ssid->bssid));
2263                 } else {
2264                         ret = os_snprintf(pos, end - pos, "\tany");
2265                 }
2266                 if (os_snprintf_error(end - pos, ret))
2267                         return prev - buf;
2268                 pos += ret;
2269                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2270                                   ssid == wpa_s->current_ssid ?
2271                                   "[CURRENT]" : "",
2272                                   ssid->disabled ? "[DISABLED]" : "",
2273                                   ssid->disabled_until.sec ?
2274                                   "[TEMP-DISABLED]" : "",
2275                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2276                                   "");
2277                 if (os_snprintf_error(end - pos, ret))
2278                         return prev - buf;
2279                 pos += ret;
2280                 ret = os_snprintf(pos, end - pos, "\n");
2281                 if (os_snprintf_error(end - pos, ret))
2282                         return prev - buf;
2283                 pos += ret;
2284
2285                 ssid = ssid->next;
2286         }
2287
2288         return pos - buf;
2289 }
2290
2291
2292 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2293 {
2294         int ret;
2295         ret = os_snprintf(pos, end - pos, "-");
2296         if (os_snprintf_error(end - pos, ret))
2297                 return pos;
2298         pos += ret;
2299         ret = wpa_write_ciphers(pos, end, cipher, "+");
2300         if (ret < 0)
2301                 return pos;
2302         pos += ret;
2303         return pos;
2304 }
2305
2306
2307 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2308                                     const u8 *ie, size_t ie_len)
2309 {
2310         struct wpa_ie_data data;
2311         char *start;
2312         int ret;
2313
2314         ret = os_snprintf(pos, end - pos, "[%s-", proto);
2315         if (os_snprintf_error(end - pos, ret))
2316                 return pos;
2317         pos += ret;
2318
2319         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2320                 ret = os_snprintf(pos, end - pos, "?]");
2321                 if (os_snprintf_error(end - pos, ret))
2322                         return pos;
2323                 pos += ret;
2324                 return pos;
2325         }
2326
2327         start = pos;
2328         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2329                 ret = os_snprintf(pos, end - pos, "%sEAP",
2330                                   pos == start ? "" : "+");
2331                 if (os_snprintf_error(end - pos, ret))
2332                         return pos;
2333                 pos += ret;
2334         }
2335         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2336                 ret = os_snprintf(pos, end - pos, "%sPSK",
2337                                   pos == start ? "" : "+");
2338                 if (os_snprintf_error(end - pos, ret))
2339                         return pos;
2340                 pos += ret;
2341         }
2342         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2343                 ret = os_snprintf(pos, end - pos, "%sNone",
2344                                   pos == start ? "" : "+");
2345                 if (os_snprintf_error(end - pos, ret))
2346                         return pos;
2347                 pos += ret;
2348         }
2349         if (data.key_mgmt & WPA_KEY_MGMT_SAE) {
2350                 ret = os_snprintf(pos, end - pos, "%sSAE",
2351                                   pos == start ? "" : "+");
2352                 if (os_snprintf_error(end - pos, ret))
2353                         return pos;
2354                 pos += ret;
2355         }
2356 #ifdef CONFIG_IEEE80211R
2357         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2358                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2359                                   pos == start ? "" : "+");
2360                 if (os_snprintf_error(end - pos, ret))
2361                         return pos;
2362                 pos += ret;
2363         }
2364         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2365                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2366                                   pos == start ? "" : "+");
2367                 if (os_snprintf_error(end - pos, ret))
2368                         return pos;
2369                 pos += ret;
2370         }
2371         if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) {
2372                 ret = os_snprintf(pos, end - pos, "%sFT/SAE",
2373                                   pos == start ? "" : "+");
2374                 if (os_snprintf_error(end - pos, ret))
2375                         return pos;
2376                 pos += ret;
2377         }
2378 #endif /* CONFIG_IEEE80211R */
2379 #ifdef CONFIG_IEEE80211W
2380         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2381                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2382                                   pos == start ? "" : "+");
2383                 if (os_snprintf_error(end - pos, ret))
2384                         return pos;
2385                 pos += ret;
2386         }
2387         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2388                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2389                                   pos == start ? "" : "+");
2390                 if (os_snprintf_error(end - pos, ret))
2391                         return pos;
2392                 pos += ret;
2393         }
2394 #endif /* CONFIG_IEEE80211W */
2395
2396 #ifdef CONFIG_SUITEB
2397         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
2398                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B",
2399                                   pos == start ? "" : "+");
2400                 if (os_snprintf_error(end - pos, ret))
2401                         return pos;
2402                 pos += ret;
2403         }
2404 #endif /* CONFIG_SUITEB */
2405
2406 #ifdef CONFIG_SUITEB192
2407         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
2408                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B-192",
2409                                   pos == start ? "" : "+");
2410                 if (os_snprintf_error(end - pos, ret))
2411                         return pos;
2412                 pos += ret;
2413         }
2414 #endif /* CONFIG_SUITEB192 */
2415
2416         if (data.key_mgmt & WPA_KEY_MGMT_OSEN) {
2417                 ret = os_snprintf(pos, end - pos, "%sOSEN",
2418                                   pos == start ? "" : "+");
2419                 if (os_snprintf_error(end - pos, ret))
2420                         return pos;
2421                 pos += ret;
2422         }
2423
2424         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2425
2426         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2427                 ret = os_snprintf(pos, end - pos, "-preauth");
2428                 if (os_snprintf_error(end - pos, ret))
2429                         return pos;
2430                 pos += ret;
2431         }
2432
2433         ret = os_snprintf(pos, end - pos, "]");
2434         if (os_snprintf_error(end - pos, ret))
2435                 return pos;
2436         pos += ret;
2437
2438         return pos;
2439 }
2440
2441
2442 #ifdef CONFIG_WPS
2443 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2444                                             char *pos, char *end,
2445                                             struct wpabuf *wps_ie)
2446 {
2447         int ret;
2448         const char *txt;
2449
2450         if (wps_ie == NULL)
2451                 return pos;
2452         if (wps_is_selected_pbc_registrar(wps_ie))
2453                 txt = "[WPS-PBC]";
2454         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2455                 txt = "[WPS-AUTH]";
2456         else if (wps_is_selected_pin_registrar(wps_ie))
2457                 txt = "[WPS-PIN]";
2458         else
2459                 txt = "[WPS]";
2460
2461         ret = os_snprintf(pos, end - pos, "%s", txt);
2462         if (!os_snprintf_error(end - pos, ret))
2463                 pos += ret;
2464         wpabuf_free(wps_ie);
2465         return pos;
2466 }
2467 #endif /* CONFIG_WPS */
2468
2469
2470 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2471                                         char *pos, char *end,
2472                                         const struct wpa_bss *bss)
2473 {
2474 #ifdef CONFIG_WPS
2475         struct wpabuf *wps_ie;
2476         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2477         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2478 #else /* CONFIG_WPS */
2479         return pos;
2480 #endif /* CONFIG_WPS */
2481 }
2482
2483
2484 /* Format one result on one text line into a buffer. */
2485 static int wpa_supplicant_ctrl_iface_scan_result(
2486         struct wpa_supplicant *wpa_s,
2487         const struct wpa_bss *bss, char *buf, size_t buflen)
2488 {
2489         char *pos, *end;
2490         int ret;
2491         const u8 *ie, *ie2, *osen_ie, *p2p, *mesh;
2492
2493         mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
2494         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2495         if (!p2p)
2496                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2497         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2498             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2499             0)
2500                 return 0; /* Do not show P2P listen discovery results here */
2501
2502         pos = buf;
2503         end = buf + buflen;
2504
2505         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2506                           MAC2STR(bss->bssid), bss->freq, bss->level);
2507         if (os_snprintf_error(end - pos, ret))
2508                 return -1;
2509         pos += ret;
2510         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2511         if (ie)
2512                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2513         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2514         if (ie2) {
2515                 pos = wpa_supplicant_ie_txt(pos, end, mesh ? "RSN" : "WPA2",
2516                                             ie2, 2 + ie2[1]);
2517         }
2518         osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
2519         if (osen_ie)
2520                 pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
2521                                             osen_ie, 2 + osen_ie[1]);
2522         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2523         if (!ie && !ie2 && !osen_ie && (bss->caps & IEEE80211_CAP_PRIVACY)) {
2524                 ret = os_snprintf(pos, end - pos, "[WEP]");
2525                 if (os_snprintf_error(end - pos, ret))
2526                         return -1;
2527                 pos += ret;
2528         }
2529         if (mesh) {
2530                 ret = os_snprintf(pos, end - pos, "[MESH]");
2531                 if (os_snprintf_error(end - pos, ret))
2532                         return -1;
2533                 pos += ret;
2534         }
2535         if (bss_is_dmg(bss)) {
2536                 const char *s;
2537                 ret = os_snprintf(pos, end - pos, "[DMG]");
2538                 if (os_snprintf_error(end - pos, ret))
2539                         return -1;
2540                 pos += ret;
2541                 switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
2542                 case IEEE80211_CAP_DMG_IBSS:
2543                         s = "[IBSS]";
2544                         break;
2545                 case IEEE80211_CAP_DMG_AP:
2546                         s = "[ESS]";
2547                         break;
2548                 case IEEE80211_CAP_DMG_PBSS:
2549                         s = "[PBSS]";
2550                         break;
2551                 default:
2552                         s = "";
2553                         break;
2554                 }
2555                 ret = os_snprintf(pos, end - pos, "%s", s);
2556                 if (os_snprintf_error(end - pos, ret))
2557                         return -1;
2558                 pos += ret;
2559         } else {
2560                 if (bss->caps & IEEE80211_CAP_IBSS) {
2561                         ret = os_snprintf(pos, end - pos, "[IBSS]");
2562                         if (os_snprintf_error(end - pos, ret))
2563                                 return -1;
2564                         pos += ret;
2565                 }
2566                 if (bss->caps & IEEE80211_CAP_ESS) {
2567                         ret = os_snprintf(pos, end - pos, "[ESS]");
2568                         if (os_snprintf_error(end - pos, ret))
2569                                 return -1;
2570                         pos += ret;
2571                 }
2572         }
2573         if (p2p) {
2574                 ret = os_snprintf(pos, end - pos, "[P2P]");
2575                 if (os_snprintf_error(end - pos, ret))
2576                         return -1;
2577                 pos += ret;
2578         }
2579 #ifdef CONFIG_HS20
2580         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2581                 ret = os_snprintf(pos, end - pos, "[HS20]");
2582                 if (os_snprintf_error(end - pos, ret))
2583                         return -1;
2584                 pos += ret;
2585         }
2586 #endif /* CONFIG_HS20 */
2587 #ifdef CONFIG_FST
2588         if (wpa_bss_get_ie(bss, WLAN_EID_MULTI_BAND)) {
2589                 ret = os_snprintf(pos, end - pos, "[FST]");
2590                 if (os_snprintf_error(end - pos, ret))
2591                         return -1;
2592                 pos += ret;
2593         }
2594 #endif /* CONFIG_FST */
2595
2596         ret = os_snprintf(pos, end - pos, "\t%s",
2597                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2598         if (os_snprintf_error(end - pos, ret))
2599                 return -1;
2600         pos += ret;
2601
2602         ret = os_snprintf(pos, end - pos, "\n");
2603         if (os_snprintf_error(end - pos, ret))
2604                 return -1;
2605         pos += ret;
2606
2607         return pos - buf;
2608 }
2609
2610
2611 static int wpa_supplicant_ctrl_iface_scan_results(
2612         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2613 {
2614         char *pos, *end;
2615         struct wpa_bss *bss;
2616         int ret;
2617
2618         pos = buf;
2619         end = buf + buflen;
2620         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2621                           "flags / ssid\n");
2622         if (os_snprintf_error(end - pos, ret))
2623                 return pos - buf;
2624         pos += ret;
2625
2626         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2627                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2628                                                             end - pos);
2629                 if (ret < 0 || ret >= end - pos)
2630                         return pos - buf;
2631                 pos += ret;
2632         }
2633
2634         return pos - buf;
2635 }
2636
2637
2638 #ifdef CONFIG_MESH
2639
2640 static int wpa_supplicant_ctrl_iface_mesh_interface_add(
2641         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
2642 {
2643         char *pos, ifname[IFNAMSIZ + 1];
2644
2645         ifname[0] = '\0';
2646
2647         pos = os_strstr(cmd, "ifname=");
2648         if (pos) {
2649                 pos += 7;
2650                 os_strlcpy(ifname, pos, sizeof(ifname));
2651         }
2652
2653         if (wpas_mesh_add_interface(wpa_s, ifname, sizeof(ifname)) < 0)
2654                 return -1;
2655
2656         os_strlcpy(reply, ifname, max_len);
2657         return os_strlen(ifname);
2658 }
2659
2660
2661 static int wpa_supplicant_ctrl_iface_mesh_group_add(
2662         struct wpa_supplicant *wpa_s, char *cmd)
2663 {
2664         int id;
2665         struct wpa_ssid *ssid;
2666
2667         id = atoi(cmd);
2668         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_ADD id=%d", id);
2669
2670         ssid = wpa_config_get_network(wpa_s->conf, id);
2671         if (ssid == NULL) {
2672                 wpa_printf(MSG_DEBUG,
2673                            "CTRL_IFACE: Could not find network id=%d", id);
2674                 return -1;
2675         }
2676         if (ssid->mode != WPAS_MODE_MESH) {
2677                 wpa_printf(MSG_DEBUG,
2678                            "CTRL_IFACE: Cannot use MESH_GROUP_ADD on a non mesh network");
2679                 return -1;
2680         }
2681         if (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
2682             ssid->key_mgmt != WPA_KEY_MGMT_SAE) {
2683                 wpa_printf(MSG_ERROR,
2684                            "CTRL_IFACE: key_mgmt for mesh network should be open or SAE");
2685                 return -1;
2686         }
2687
2688         /*
2689          * TODO: If necessary write our own group_add function,
2690          * for now we can reuse select_network
2691          */
2692         wpa_supplicant_select_network(wpa_s, ssid);
2693
2694         return 0;
2695 }
2696
2697
2698 static int wpa_supplicant_ctrl_iface_mesh_group_remove(
2699         struct wpa_supplicant *wpa_s, char *cmd)
2700 {
2701         struct wpa_supplicant *orig;
2702         struct wpa_global *global;
2703         int found = 0;
2704
2705         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s", cmd);
2706
2707         global = wpa_s->global;
2708         orig = wpa_s;
2709
2710         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2711                 if (os_strcmp(wpa_s->ifname, cmd) == 0) {
2712                         found = 1;
2713                         break;
2714                 }
2715         }
2716         if (!found) {
2717                 wpa_printf(MSG_ERROR,
2718                            "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s not found",
2719                            cmd);
2720                 return -1;
2721         }
2722         if (wpa_s->mesh_if_created && wpa_s == orig) {
2723                 wpa_printf(MSG_ERROR,
2724                            "CTRL_IFACE: MESH_GROUP_REMOVE can't remove itself");
2725                 return -1;
2726         }
2727
2728         wpa_s->reassociate = 0;
2729         wpa_s->disconnected = 1;
2730         wpa_supplicant_cancel_sched_scan(wpa_s);
2731         wpa_supplicant_cancel_scan(wpa_s);
2732
2733         /*
2734          * TODO: If necessary write our own group_remove function,
2735          * for now we can reuse deauthenticate
2736          */
2737         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2738
2739         if (wpa_s->mesh_if_created)
2740                 wpa_supplicant_remove_iface(global, wpa_s, 0);
2741
2742         return 0;
2743 }
2744
2745 #endif /* CONFIG_MESH */
2746
2747
2748 static int wpa_supplicant_ctrl_iface_select_network(
2749         struct wpa_supplicant *wpa_s, char *cmd)
2750 {
2751         int id;
2752         struct wpa_ssid *ssid;
2753         char *pos;
2754
2755         /* cmd: "<network id>" or "any" */
2756         if (os_strncmp(cmd, "any", 3) == 0) {
2757                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2758                 ssid = NULL;
2759         } else {
2760                 id = atoi(cmd);
2761                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2762
2763                 ssid = wpa_config_get_network(wpa_s->conf, id);
2764                 if (ssid == NULL) {
2765                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2766                                    "network id=%d", id);
2767                         return -1;
2768                 }
2769                 if (ssid->disabled == 2) {
2770                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2771                                    "SELECT_NETWORK with persistent P2P group");
2772                         return -1;
2773                 }
2774         }
2775
2776         pos = os_strstr(cmd, " freq=");
2777         if (pos) {
2778                 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2779                 if (freqs) {
2780                         wpa_s->scan_req = MANUAL_SCAN_REQ;
2781                         os_free(wpa_s->manual_scan_freqs);
2782                         wpa_s->manual_scan_freqs = freqs;
2783                 }
2784         }
2785
2786         wpa_supplicant_select_network(wpa_s, ssid);
2787
2788         return 0;
2789 }
2790
2791
2792 static int wpa_supplicant_ctrl_iface_enable_network(
2793         struct wpa_supplicant *wpa_s, char *cmd)
2794 {
2795         int id;
2796         struct wpa_ssid *ssid;
2797
2798         /* cmd: "<network id>" or "all" */
2799         if (os_strcmp(cmd, "all") == 0) {
2800                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2801                 ssid = NULL;
2802         } else {
2803                 id = atoi(cmd);
2804                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2805
2806                 ssid = wpa_config_get_network(wpa_s->conf, id);
2807                 if (ssid == NULL) {
2808                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2809                                    "network id=%d", id);
2810                         return -1;
2811                 }
2812                 if (ssid->disabled == 2) {
2813                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2814                                    "ENABLE_NETWORK with persistent P2P group");
2815                         return -1;
2816                 }
2817
2818                 if (os_strstr(cmd, " no-connect")) {
2819                         ssid->disabled = 0;
2820                         return 0;
2821                 }
2822         }
2823         wpa_supplicant_enable_network(wpa_s, ssid);
2824
2825         return 0;
2826 }
2827
2828
2829 static int wpa_supplicant_ctrl_iface_disable_network(
2830         struct wpa_supplicant *wpa_s, char *cmd)
2831 {
2832         int id;
2833         struct wpa_ssid *ssid;
2834
2835         /* cmd: "<network id>" or "all" */
2836         if (os_strcmp(cmd, "all") == 0) {
2837                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2838                 ssid = NULL;
2839         } else {
2840                 id = atoi(cmd);
2841                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2842
2843                 ssid = wpa_config_get_network(wpa_s->conf, id);
2844                 if (ssid == NULL) {
2845                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2846                                    "network id=%d", id);
2847                         return -1;
2848                 }
2849                 if (ssid->disabled == 2) {
2850                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2851                                    "DISABLE_NETWORK with persistent P2P "
2852                                    "group");
2853                         return -1;
2854                 }
2855         }
2856         wpa_supplicant_disable_network(wpa_s, ssid);
2857
2858         return 0;
2859 }
2860
2861
2862 static int wpa_supplicant_ctrl_iface_add_network(
2863         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2864 {
2865         struct wpa_ssid *ssid;
2866         int ret;
2867
2868         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2869
2870         ssid = wpa_config_add_network(wpa_s->conf);
2871         if (ssid == NULL)
2872                 return -1;
2873
2874         wpas_notify_network_added(wpa_s, ssid);
2875
2876         ssid->disabled = 1;
2877         wpa_config_set_network_defaults(ssid);
2878
2879         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2880         if (os_snprintf_error(buflen, ret))
2881                 return -1;
2882         return ret;
2883 }
2884
2885
2886 static int wpa_supplicant_ctrl_iface_remove_network(
2887         struct wpa_supplicant *wpa_s, char *cmd)
2888 {
2889         int id;
2890         struct wpa_ssid *ssid;
2891         int was_disabled;
2892
2893         /* cmd: "<network id>" or "all" */
2894         if (os_strcmp(cmd, "all") == 0) {
2895                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2896                 if (wpa_s->sched_scanning)
2897                         wpa_supplicant_cancel_sched_scan(wpa_s);
2898
2899                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2900                 if (wpa_s->current_ssid) {
2901 #ifdef CONFIG_SME
2902                         wpa_s->sme.prev_bssid_set = 0;
2903 #endif /* CONFIG_SME */
2904                         wpa_sm_set_config(wpa_s->wpa, NULL);
2905                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2906                         if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2907                                 wpa_s->own_disconnect_req = 1;
2908                         wpa_supplicant_deauthenticate(
2909                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2910                 }
2911                 ssid = wpa_s->conf->ssid;
2912                 while (ssid) {
2913                         struct wpa_ssid *remove_ssid = ssid;
2914                         id = ssid->id;
2915                         ssid = ssid->next;
2916                         if (wpa_s->last_ssid == remove_ssid)
2917                                 wpa_s->last_ssid = NULL;
2918                         wpas_notify_network_removed(wpa_s, remove_ssid);
2919                         wpa_config_remove_network(wpa_s->conf, id);
2920                 }
2921                 return 0;
2922         }
2923
2924         id = atoi(cmd);
2925         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2926
2927         ssid = wpa_config_get_network(wpa_s->conf, id);
2928         if (ssid)
2929                 wpas_notify_network_removed(wpa_s, ssid);
2930         if (ssid == NULL) {
2931                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2932                            "id=%d", id);
2933                 return -1;
2934         }
2935
2936         if (wpa_s->last_ssid == ssid)
2937                 wpa_s->last_ssid = NULL;
2938
2939         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2940 #ifdef CONFIG_SME
2941                 wpa_s->sme.prev_bssid_set = 0;
2942 #endif /* CONFIG_SME */
2943                 /*
2944                  * Invalidate the EAP session cache if the current or
2945                  * previously used network is removed.
2946                  */
2947                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2948         }
2949
2950         if (ssid == wpa_s->current_ssid) {
2951                 wpa_sm_set_config(wpa_s->wpa, NULL);
2952                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2953
2954                 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2955                         wpa_s->own_disconnect_req = 1;
2956                 wpa_supplicant_deauthenticate(wpa_s,
2957                                               WLAN_REASON_DEAUTH_LEAVING);
2958         }
2959
2960         was_disabled = ssid->disabled;
2961
2962         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2963                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2964                            "network id=%d", id);
2965                 return -1;
2966         }
2967
2968         if (!was_disabled && wpa_s->sched_scanning) {
2969                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2970                            "network from filters");
2971                 wpa_supplicant_cancel_sched_scan(wpa_s);
2972                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2973         }
2974
2975         return 0;
2976 }
2977
2978
2979 static int wpa_supplicant_ctrl_iface_update_network(
2980         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
2981         char *name, char *value)
2982 {
2983         if (wpa_config_set(ssid, name, value, 0) < 0) {
2984                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2985                            "variable '%s'", name);
2986                 return -1;
2987         }
2988
2989         if (os_strcmp(name, "bssid") != 0 &&
2990             os_strcmp(name, "priority") != 0)
2991                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2992
2993         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2994                 /*
2995                  * Invalidate the EAP session cache if anything in the current
2996                  * or previously used configuration changes.
2997                  */
2998                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2999         }
3000
3001         if ((os_strcmp(name, "psk") == 0 &&
3002              value[0] == '"' && ssid->ssid_len) ||
3003             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
3004                 wpa_config_update_psk(ssid);
3005         else if (os_strcmp(name, "priority") == 0)
3006                 wpa_config_update_prio_list(wpa_s->conf);
3007
3008         return 0;
3009 }
3010
3011
3012 static int wpa_supplicant_ctrl_iface_set_network(
3013         struct wpa_supplicant *wpa_s, char *cmd)
3014 {
3015         int id, ret, prev_bssid_set, prev_disabled;
3016         struct wpa_ssid *ssid;
3017         char *name, *value;
3018         u8 prev_bssid[ETH_ALEN];
3019
3020         /* cmd: "<network id> <variable name> <value>" */
3021         name = os_strchr(cmd, ' ');
3022         if (name == NULL)
3023                 return -1;
3024         *name++ = '\0';
3025
3026         value = os_strchr(name, ' ');
3027         if (value == NULL)
3028                 return -1;
3029         *value++ = '\0';
3030
3031         id = atoi(cmd);
3032         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
3033                    id, name);
3034         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3035                               (u8 *) value, os_strlen(value));
3036
3037         ssid = wpa_config_get_network(wpa_s->conf, id);
3038         if (ssid == NULL) {
3039                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3040                            "id=%d", id);
3041                 return -1;
3042         }
3043
3044         prev_bssid_set = ssid->bssid_set;
3045         prev_disabled = ssid->disabled;
3046         os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
3047         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
3048                                                        value);
3049         if (ret == 0 &&
3050             (ssid->bssid_set != prev_bssid_set ||
3051              os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
3052                 wpas_notify_network_bssid_set_changed(wpa_s, ssid);
3053
3054         if (prev_disabled != ssid->disabled &&
3055             (prev_disabled == 2 || ssid->disabled == 2))
3056                 wpas_notify_network_type_changed(wpa_s, ssid);
3057
3058         return ret;
3059 }
3060
3061
3062 static int wpa_supplicant_ctrl_iface_get_network(
3063         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
3064 {
3065         int id;
3066         size_t res;
3067         struct wpa_ssid *ssid;
3068         char *name, *value;
3069
3070         /* cmd: "<network id> <variable name>" */
3071         name = os_strchr(cmd, ' ');
3072         if (name == NULL || buflen == 0)
3073                 return -1;
3074         *name++ = '\0';
3075
3076         id = atoi(cmd);
3077         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
3078                    id, name);
3079
3080         ssid = wpa_config_get_network(wpa_s->conf, id);
3081         if (ssid == NULL) {
3082                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3083                            "id=%d", id);
3084                 return -1;
3085         }
3086
3087         value = wpa_config_get_no_key(ssid, name);
3088         if (value == NULL) {
3089                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3090                            "variable '%s'", name);
3091                 return -1;
3092         }
3093
3094         res = os_strlcpy(buf, value, buflen);
3095         if (res >= buflen) {
3096                 os_free(value);
3097                 return -1;
3098         }
3099
3100         os_free(value);
3101
3102         return res;
3103 }
3104
3105
3106 static int wpa_supplicant_ctrl_iface_dup_network(
3107         struct wpa_supplicant *wpa_s, char *cmd,
3108         struct wpa_supplicant *dst_wpa_s)
3109 {
3110         struct wpa_ssid *ssid_s, *ssid_d;
3111         char *name, *id, *value;
3112         int id_s, id_d, ret;
3113
3114         /* cmd: "<src network id> <dst network id> <variable name>" */
3115         id = os_strchr(cmd, ' ');
3116         if (id == NULL)
3117                 return -1;
3118         *id++ = '\0';
3119
3120         name = os_strchr(id, ' ');
3121         if (name == NULL)
3122                 return -1;
3123         *name++ = '\0';
3124
3125         id_s = atoi(cmd);
3126         id_d = atoi(id);
3127
3128         wpa_printf(MSG_DEBUG,
3129                    "CTRL_IFACE: DUP_NETWORK ifname=%s->%s id=%d->%d name='%s'",
3130                    wpa_s->ifname, dst_wpa_s->ifname, id_s, id_d, name);
3131
3132         ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
3133         if (ssid_s == NULL) {
3134                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3135                            "network id=%d", id_s);
3136                 return -1;
3137         }
3138
3139         ssid_d = wpa_config_get_network(dst_wpa_s->conf, id_d);
3140         if (ssid_d == NULL) {
3141                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3142                            "network id=%d", id_d);
3143                 return -1;
3144         }
3145
3146         value = wpa_config_get(ssid_s, name);
3147         if (value == NULL) {
3148                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3149                            "variable '%s'", name);
3150                 return -1;
3151         }
3152
3153         ret = wpa_supplicant_ctrl_iface_update_network(dst_wpa_s, ssid_d, name,
3154                                                        value);
3155
3156         os_free(value);
3157
3158         return ret;
3159 }
3160
3161
3162 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
3163                                                 char *buf, size_t buflen)
3164 {
3165         char *pos, *end;
3166         struct wpa_cred *cred;
3167         int ret;
3168
3169         pos = buf;
3170         end = buf + buflen;
3171         ret = os_snprintf(pos, end - pos,
3172                           "cred id / realm / username / domain / imsi\n");
3173         if (os_snprintf_error(end - pos, ret))
3174                 return pos - buf;
3175         pos += ret;
3176
3177         cred = wpa_s->conf->cred;
3178         while (cred) {
3179                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
3180                                   cred->id, cred->realm ? cred->realm : "",
3181                                   cred->username ? cred->username : "",
3182                                   cred->domain ? cred->domain[0] : "",
3183                                   cred->imsi ? cred->imsi : "");
3184                 if (os_snprintf_error(end - pos, ret))
3185                         return pos - buf;
3186                 pos += ret;
3187
3188                 cred = cred->next;
3189         }
3190
3191         return pos - buf;
3192 }
3193
3194
3195 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
3196                                               char *buf, size_t buflen)
3197 {
3198         struct wpa_cred *cred;
3199         int ret;
3200
3201         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
3202
3203         cred = wpa_config_add_cred(wpa_s->conf);
3204         if (cred == NULL)
3205                 return -1;
3206
3207         wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
3208
3209         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
3210         if (os_snprintf_error(buflen, ret))
3211                 return -1;
3212         return ret;
3213 }
3214
3215
3216 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
3217                                  struct wpa_cred *cred)
3218 {
3219         struct wpa_ssid *ssid;
3220         char str[20];
3221         int id;
3222
3223         if (cred == NULL) {
3224                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3225                 return -1;
3226         }
3227
3228         id = cred->id;
3229         if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
3230                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3231                 return -1;
3232         }
3233
3234         wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
3235
3236         /* Remove any network entry created based on the removed credential */
3237         ssid = wpa_s->conf->ssid;
3238         while (ssid) {
3239                 if (ssid->parent_cred == cred) {
3240                         int res;
3241
3242                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
3243                                    "used the removed credential", ssid->id);
3244                         res = os_snprintf(str, sizeof(str), "%d", ssid->id);
3245                         if (os_snprintf_error(sizeof(str), res))
3246                                 str[sizeof(str) - 1] = '\0';
3247                         ssid = ssid->next;
3248                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
3249                 } else
3250                         ssid = ssid->next;
3251         }
3252
3253         return 0;
3254 }
3255
3256
3257 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
3258                                                  char *cmd)
3259 {
3260         int id;
3261         struct wpa_cred *cred, *prev;
3262
3263         /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
3264          * "provisioning_sp=<FQDN> */
3265         if (os_strcmp(cmd, "all") == 0) {
3266                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
3267                 cred = wpa_s->conf->cred;
3268                 while (cred) {
3269                         prev = cred;
3270                         cred = cred->next;
3271                         wpas_ctrl_remove_cred(wpa_s, prev);
3272                 }
3273                 return 0;
3274         }
3275
3276         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
3277                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
3278                            cmd + 8);
3279                 cred = wpa_s->conf->cred;
3280                 while (cred) {
3281                         prev = cred;
3282                         cred = cred->next;
3283                         if (prev->domain) {
3284                                 size_t i;
3285                                 for (i = 0; i < prev->num_domain; i++) {
3286                                         if (os_strcmp(prev->domain[i], cmd + 8)
3287                                             != 0)
3288                                                 continue;
3289                                         wpas_ctrl_remove_cred(wpa_s, prev);
3290                                         break;
3291                                 }
3292                         }
3293                 }
3294                 return 0;
3295         }
3296
3297         if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
3298                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
3299                            cmd + 16);
3300                 cred = wpa_s->conf->cred;
3301                 while (cred) {
3302                         prev = cred;
3303                         cred = cred->next;
3304                         if (prev->provisioning_sp &&
3305                             os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
3306                                 wpas_ctrl_remove_cred(wpa_s, prev);
3307                 }
3308                 return 0;
3309         }
3310
3311         id = atoi(cmd);
3312         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
3313
3314         cred = wpa_config_get_cred(wpa_s->conf, id);
3315         return wpas_ctrl_remove_cred(wpa_s, cred);
3316 }
3317
3318
3319 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
3320                                               char *cmd)
3321 {
3322         int id;
3323         struct wpa_cred *cred;
3324         char *name, *value;
3325
3326         /* cmd: "<cred id> <variable name> <value>" */
3327         name = os_strchr(cmd, ' ');
3328         if (name == NULL)
3329                 return -1;
3330         *name++ = '\0';
3331
3332         value = os_strchr(name, ' ');
3333         if (value == NULL)
3334                 return -1;
3335         *value++ = '\0';
3336
3337         id = atoi(cmd);
3338         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
3339                    id, name);
3340         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3341                               (u8 *) value, os_strlen(value));
3342
3343         cred = wpa_config_get_cred(wpa_s->conf, id);
3344         if (cred == NULL) {
3345                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3346                            id);
3347                 return -1;
3348         }
3349
3350         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
3351                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
3352                            "variable '%s'", name);
3353                 return -1;
3354         }
3355
3356         wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
3357
3358         return 0;
3359 }
3360
3361
3362 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
3363                                               char *cmd, char *buf,
3364                                               size_t buflen)
3365 {
3366         int id;
3367         size_t res;
3368         struct wpa_cred *cred;
3369         char *name, *value;
3370
3371         /* cmd: "<cred id> <variable name>" */
3372         name = os_strchr(cmd, ' ');
3373         if (name == NULL)
3374                 return -1;
3375         *name++ = '\0';
3376
3377         id = atoi(cmd);
3378         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
3379                    id, name);
3380
3381         cred = wpa_config_get_cred(wpa_s->conf, id);
3382         if (cred == NULL) {
3383                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3384                            id);
3385                 return -1;
3386         }
3387
3388         value = wpa_config_get_cred_no_key(cred, name);
3389         if (value == NULL) {
3390                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
3391                            name);
3392                 return -1;
3393         }
3394
3395         res = os_strlcpy(buf, value, buflen);
3396         if (res >= buflen) {
3397                 os_free(value);
3398                 return -1;
3399         }
3400
3401         os_free(value);
3402
3403         return res;
3404 }
3405
3406
3407 #ifndef CONFIG_NO_CONFIG_WRITE
3408 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3409 {
3410         int ret;
3411
3412         if (!wpa_s->conf->update_config) {
3413                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3414                            "to update configuration (update_config=0)");
3415                 return -1;
3416         }
3417
3418         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3419         if (ret) {
3420                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3421                            "update configuration");
3422         } else {
3423                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3424                            " updated");
3425         }
3426
3427         return ret;
3428 }
3429 #endif /* CONFIG_NO_CONFIG_WRITE */
3430
3431
3432 struct cipher_info {
3433         unsigned int capa;
3434         const char *name;
3435         int group_only;
3436 };
3437
3438 static const struct cipher_info ciphers[] = {
3439         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3440         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3441         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3442         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3443         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3444         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3445         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3446         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3447 };
3448
3449 static const struct cipher_info ciphers_group_mgmt[] = {
3450         { WPA_DRIVER_CAPA_ENC_BIP, "AES-128-CMAC", 1 },
3451         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_128, "BIP-GMAC-128", 1 },
3452         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_256, "BIP-GMAC-256", 1 },
3453         { WPA_DRIVER_CAPA_ENC_BIP_CMAC_256, "BIP-CMAC-256", 1 },
3454 };
3455
3456
3457 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3458                                               struct wpa_driver_capa *capa,
3459                                               char *buf, size_t buflen)
3460 {
3461         int ret;
3462         char *pos, *end;
3463         size_t len;
3464         unsigned int i;
3465
3466         pos = buf;
3467         end = pos + buflen;
3468
3469         if (res < 0) {
3470                 if (strict)
3471                         return 0;
3472                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3473                 if (len >= buflen)
3474                         return -1;
3475                 return len;
3476         }
3477
3478         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3479                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3480                         ret = os_snprintf(pos, end - pos, "%s%s",
3481                                           pos == buf ? "" : " ",
3482                                           ciphers[i].name);
3483                         if (os_snprintf_error(end - pos, ret))
3484                                 return pos - buf;
3485                         pos += ret;
3486                 }
3487         }
3488
3489         return pos - buf;
3490 }
3491
3492
3493 static int ctrl_iface_get_capability_group(int res, char *strict,
3494                                            struct wpa_driver_capa *capa,
3495                                            char *buf, size_t buflen)
3496 {
3497         int ret;
3498         char *pos, *end;
3499         size_t len;
3500         unsigned int i;
3501
3502         pos = buf;
3503         end = pos + buflen;
3504
3505         if (res < 0) {
3506                 if (strict)
3507                         return 0;
3508                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3509                 if (len >= buflen)
3510                         return -1;
3511                 return len;
3512         }
3513
3514         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3515                 if (capa->enc & ciphers[i].capa) {
3516                         ret = os_snprintf(pos, end - pos, "%s%s",
3517                                           pos == buf ? "" : " ",
3518                                           ciphers[i].name);
3519                         if (os_snprintf_error(end - pos, ret))
3520                                 return pos - buf;
3521                         pos += ret;
3522                 }
3523         }
3524
3525         return pos - buf;
3526 }
3527
3528
3529 static int ctrl_iface_get_capability_group_mgmt(int res, char *strict,
3530                                                 struct wpa_driver_capa *capa,
3531                                                 char *buf, size_t buflen)
3532 {
3533         int ret;
3534         char *pos, *end;
3535         unsigned int i;
3536
3537         pos = buf;
3538         end = pos + buflen;
3539
3540         if (res < 0)
3541                 return 0;
3542
3543         for (i = 0; i < ARRAY_SIZE(ciphers_group_mgmt); i++) {
3544                 if (capa->enc & ciphers_group_mgmt[i].capa) {
3545                         ret = os_snprintf(pos, end - pos, "%s%s",
3546                                           pos == buf ? "" : " ",
3547                                           ciphers_group_mgmt[i].name);
3548                         if (os_snprintf_error(end - pos, ret))
3549                                 return pos - buf;
3550                         pos += ret;
3551                 }
3552         }
3553
3554         return pos - buf;
3555 }
3556
3557
3558 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3559                                               struct wpa_driver_capa *capa,
3560                                               char *buf, size_t buflen)
3561 {
3562         int ret;
3563         char *pos, *end;
3564         size_t len;
3565
3566         pos = buf;
3567         end = pos + buflen;
3568
3569         if (res < 0) {
3570                 if (strict)
3571                         return 0;
3572                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3573                                  "NONE", buflen);
3574                 if (len >= buflen)
3575                         return -1;
3576                 return len;
3577         }
3578
3579         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3580         if (os_snprintf_error(end - pos, ret))
3581                 return pos - buf;
3582         pos += ret;
3583
3584         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3585                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3586                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3587                 if (os_snprintf_error(end - pos, ret))
3588                         return pos - buf;
3589                 pos += ret;
3590         }
3591
3592         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3593                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3594                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3595                 if (os_snprintf_error(end - pos, ret))
3596                         return pos - buf;
3597                 pos += ret;
3598         }
3599
3600         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3601                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3602                 if (os_snprintf_error(end - pos, ret))
3603                         return pos - buf;
3604                 pos += ret;
3605         }
3606
3607 #ifdef CONFIG_SUITEB
3608         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B) {
3609                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B");
3610                 if (os_snprintf_error(end - pos, ret))
3611                         return pos - buf;
3612                 pos += ret;
3613         }
3614 #endif /* CONFIG_SUITEB */
3615 #ifdef CONFIG_SUITEB192
3616         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192) {
3617                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B-192");
3618                 if (os_snprintf_error(end - pos, ret))
3619                         return pos - buf;
3620                 pos += ret;
3621         }
3622 #endif /* CONFIG_SUITEB192 */
3623
3624         return pos - buf;
3625 }
3626
3627
3628 static int ctrl_iface_get_capability_proto(int res, char *strict,
3629                                            struct wpa_driver_capa *capa,
3630                                            char *buf, size_t buflen)
3631 {
3632         int ret;
3633         char *pos, *end;
3634         size_t len;
3635
3636         pos = buf;
3637         end = pos + buflen;
3638
3639         if (res < 0) {
3640                 if (strict)
3641                         return 0;
3642                 len = os_strlcpy(buf, "RSN WPA", buflen);
3643                 if (len >= buflen)
3644                         return -1;
3645                 return len;
3646         }
3647
3648         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3649                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3650                 ret = os_snprintf(pos, end - pos, "%sRSN",
3651                                   pos == buf ? "" : " ");
3652                 if (os_snprintf_error(end - pos, ret))
3653                         return pos - buf;
3654                 pos += ret;
3655         }
3656
3657         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3658                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3659                 ret = os_snprintf(pos, end - pos, "%sWPA",
3660                                   pos == buf ? "" : " ");
3661                 if (os_snprintf_error(end - pos, ret))
3662                         return pos - buf;
3663                 pos += ret;
3664         }
3665
3666         return pos - buf;
3667 }
3668
3669
3670 static int ctrl_iface_get_capability_auth_alg(struct wpa_supplicant *wpa_s,
3671                                               int res, char *strict,
3672                                               struct wpa_driver_capa *capa,
3673                                               char *buf, size_t buflen)
3674 {
3675         int ret;
3676         char *pos, *end;
3677         size_t len;
3678
3679         pos = buf;
3680         end = pos + buflen;
3681
3682         if (res < 0) {
3683                 if (strict)
3684                         return 0;
3685                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3686                 if (len >= buflen)
3687                         return -1;
3688                 return len;
3689         }
3690
3691         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3692                 ret = os_snprintf(pos, end - pos, "%sOPEN",
3693                                   pos == buf ? "" : " ");
3694                 if (os_snprintf_error(end - pos, ret))
3695                         return pos - buf;
3696                 pos += ret;
3697         }
3698
3699         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3700                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3701                                   pos == buf ? "" : " ");
3702                 if (os_snprintf_error(end - pos, ret))
3703                         return pos - buf;
3704                 pos += ret;
3705         }
3706
3707         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3708                 ret = os_snprintf(pos, end - pos, "%sLEAP",
3709                                   pos == buf ? "" : " ");
3710                 if (os_snprintf_error(end - pos, ret))
3711                         return pos - buf;
3712                 pos += ret;
3713         }
3714
3715 #ifdef CONFIG_SAE
3716         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE) {
3717                 ret = os_snprintf(pos, end - pos, "%sSAE",
3718                                   pos == buf ? "" : " ");
3719                 if (os_snprintf_error(end - pos, ret))
3720                         return pos - buf;
3721                 pos += ret;
3722         }
3723 #endif /* CONFIG_SAE */
3724
3725         return pos - buf;
3726 }
3727
3728
3729 static int ctrl_iface_get_capability_modes(int res, char *strict,
3730                                            struct wpa_driver_capa *capa,
3731                                            char *buf, size_t buflen)
3732 {
3733         int ret;
3734         char *pos, *end;
3735         size_t len;
3736
3737         pos = buf;
3738         end = pos + buflen;
3739
3740         if (res < 0) {
3741                 if (strict)
3742                         return 0;
3743                 len = os_strlcpy(buf, "IBSS AP", buflen);
3744                 if (len >= buflen)
3745                         return -1;
3746                 return len;
3747         }
3748
3749         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3750                 ret = os_snprintf(pos, end - pos, "%sIBSS",
3751                                   pos == buf ? "" : " ");
3752                 if (os_snprintf_error(end - pos, ret))
3753                         return pos - buf;
3754                 pos += ret;
3755         }
3756
3757         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3758                 ret = os_snprintf(pos, end - pos, "%sAP",
3759                                   pos == buf ? "" : " ");
3760                 if (os_snprintf_error(end - pos, ret))
3761                         return pos - buf;
3762                 pos += ret;
3763         }
3764
3765 #ifdef CONFIG_MESH
3766         if (capa->flags & WPA_DRIVER_FLAGS_MESH) {
3767                 ret = os_snprintf(pos, end - pos, "%sMESH",
3768                                   pos == buf ? "" : " ");
3769                 if (os_snprintf_error(end - pos, ret))
3770                         return pos - buf;
3771                 pos += ret;
3772         }
3773 #endif /* CONFIG_MESH */
3774
3775         return pos - buf;
3776 }
3777
3778
3779 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3780                                               char *buf, size_t buflen)
3781 {
3782         struct hostapd_channel_data *chnl;
3783         int ret, i, j;
3784         char *pos, *end, *hmode;
3785
3786         pos = buf;
3787         end = pos + buflen;
3788
3789         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3790                 switch (wpa_s->hw.modes[j].mode) {
3791                 case HOSTAPD_MODE_IEEE80211B:
3792                         hmode = "B";
3793                         break;
3794                 case HOSTAPD_MODE_IEEE80211G:
3795                         hmode = "G";
3796                         break;
3797                 case HOSTAPD_MODE_IEEE80211A:
3798                         hmode = "A";
3799                         break;
3800                 case HOSTAPD_MODE_IEEE80211AD:
3801                         hmode = "AD";
3802                         break;
3803                 default:
3804                         continue;
3805                 }
3806                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3807                 if (os_snprintf_error(end - pos, ret))
3808                         return pos - buf;
3809                 pos += ret;
3810                 chnl = wpa_s->hw.modes[j].channels;
3811                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3812                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3813                                 continue;
3814                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3815                         if (os_snprintf_error(end - pos, ret))
3816                                 return pos - buf;
3817                         pos += ret;
3818                 }
3819                 ret = os_snprintf(pos, end - pos, "\n");
3820                 if (os_snprintf_error(end - pos, ret))
3821                         return pos - buf;
3822                 pos += ret;
3823         }
3824
3825         return pos - buf;
3826 }
3827
3828
3829 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3830                                           char *buf, size_t buflen)
3831 {
3832         struct hostapd_channel_data *chnl;
3833         int ret, i, j;
3834         char *pos, *end, *hmode;
3835
3836         pos = buf;
3837         end = pos + buflen;
3838
3839         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3840                 switch (wpa_s->hw.modes[j].mode) {
3841                 case HOSTAPD_MODE_IEEE80211B:
3842                         hmode = "B";
3843                         break;
3844                 case HOSTAPD_MODE_IEEE80211G:
3845                         hmode = "G";
3846                         break;
3847                 case HOSTAPD_MODE_IEEE80211A:
3848                         hmode = "A";
3849                         break;
3850                 case HOSTAPD_MODE_IEEE80211AD:
3851                         hmode = "AD";
3852                         break;
3853                 default:
3854                         continue;
3855                 }
3856                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3857                                   hmode);
3858                 if (os_snprintf_error(end - pos, ret))
3859                         return pos - buf;
3860                 pos += ret;
3861                 chnl = wpa_s->hw.modes[j].channels;
3862                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3863                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3864                                 continue;
3865                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3866                                           chnl[i].chan, chnl[i].freq,
3867                                           chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
3868                                           " (NO_IR)" : "",
3869                                           chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3870                                           " (DFS)" : "");
3871
3872                         if (os_snprintf_error(end - pos, ret))
3873                                 return pos - buf;
3874                         pos += ret;
3875                 }
3876                 ret = os_snprintf(pos, end - pos, "\n");
3877                 if (os_snprintf_error(end - pos, ret))
3878                         return pos - buf;
3879                 pos += ret;
3880         }
3881
3882         return pos - buf;
3883 }
3884
3885
3886 static int wpa_supplicant_ctrl_iface_get_capability(
3887         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3888         size_t buflen)
3889 {
3890         struct wpa_driver_capa capa;
3891         int res;
3892         char *strict;
3893         char field[30];
3894         size_t len;
3895
3896         /* Determine whether or not strict checking was requested */
3897         len = os_strlcpy(field, _field, sizeof(field));
3898         if (len >= sizeof(field))
3899                 return -1;
3900         strict = os_strchr(field, ' ');
3901         if (strict != NULL) {
3902                 *strict++ = '\0';
3903                 if (os_strcmp(strict, "strict") != 0)
3904                         return -1;
3905         }
3906
3907         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3908                 field, strict ? strict : "");
3909
3910         if (os_strcmp(field, "eap") == 0) {
3911                 return eap_get_names(buf, buflen);
3912         }
3913
3914         res = wpa_drv_get_capa(wpa_s, &capa);
3915
3916         if (os_strcmp(field, "pairwise") == 0)
3917                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3918                                                           buf, buflen);
3919
3920         if (os_strcmp(field, "group") == 0)
3921                 return ctrl_iface_get_capability_group(res, strict, &capa,
3922                                                        buf, buflen);
3923
3924         if (os_strcmp(field, "group_mgmt") == 0)
3925                 return ctrl_iface_get_capability_group_mgmt(res, strict, &capa,
3926                                                             buf, buflen);
3927
3928         if (os_strcmp(field, "key_mgmt") == 0)
3929                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3930                                                           buf, buflen);
3931
3932         if (os_strcmp(field, "proto") == 0)
3933                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3934                                                        buf, buflen);
3935
3936         if (os_strcmp(field, "auth_alg") == 0)
3937                 return ctrl_iface_get_capability_auth_alg(wpa_s, res, strict,
3938                                                           &capa, buf, buflen);
3939
3940         if (os_strcmp(field, "modes") == 0)
3941                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3942                                                        buf, buflen);
3943
3944         if (os_strcmp(field, "channels") == 0)
3945                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3946
3947         if (os_strcmp(field, "freq") == 0)
3948                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3949
3950 #ifdef CONFIG_TDLS
3951         if (os_strcmp(field, "tdls") == 0)
3952                 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3953 #endif /* CONFIG_TDLS */
3954
3955 #ifdef CONFIG_ERP
3956         if (os_strcmp(field, "erp") == 0) {
3957                 res = os_snprintf(buf, buflen, "ERP");
3958                 if (os_snprintf_error(buflen, res))
3959                         return -1;
3960                 return res;
3961         }
3962 #endif /* CONFIG_EPR */
3963
3964 #ifdef CONFIG_FIPS
3965         if (os_strcmp(field, "fips") == 0) {
3966                 res = os_snprintf(buf, buflen, "FIPS");
3967                 if (os_snprintf_error(buflen, res))
3968                         return -1;
3969                 return res;
3970         }
3971 #endif /* CONFIG_FIPS */
3972
3973         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3974                    field);
3975
3976         return -1;
3977 }
3978
3979
3980 #ifdef CONFIG_INTERWORKING
3981 static char * anqp_add_hex(char *pos, char *end, const char *title,
3982                            struct wpabuf *data)
3983 {
3984         char *start = pos;
3985         size_t i;
3986         int ret;
3987         const u8 *d;
3988
3989         if (data == NULL)
3990                 return start;
3991
3992         ret = os_snprintf(pos, end - pos, "%s=", title);
3993         if (os_snprintf_error(end - pos, ret))
3994                 return start;
3995         pos += ret;
3996
3997         d = wpabuf_head_u8(data);
3998         for (i = 0; i < wpabuf_len(data); i++) {
3999                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
4000                 if (os_snprintf_error(end - pos, ret))
4001                         return start;
4002                 pos += ret;
4003         }
4004
4005         ret = os_snprintf(pos, end - pos, "\n");
4006         if (os_snprintf_error(end - pos, ret))
4007                 return start;
4008         pos += ret;
4009
4010         return pos;
4011 }
4012 #endif /* CONFIG_INTERWORKING */
4013
4014
4015 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
4016                           unsigned long mask, char *buf, size_t buflen)
4017 {
4018         size_t i;
4019         int ret;
4020         char *pos, *end;
4021         const u8 *ie, *ie2, *osen_ie;
4022
4023         pos = buf;
4024         end = buf + buflen;
4025
4026         if (mask & WPA_BSS_MASK_ID) {
4027                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
4028                 if (os_snprintf_error(end - pos, ret))
4029                         return 0;
4030                 pos += ret;
4031         }
4032
4033         if (mask & WPA_BSS_MASK_BSSID) {
4034                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
4035                                   MAC2STR(bss->bssid));
4036                 if (os_snprintf_error(end - pos, ret))
4037                         return 0;
4038                 pos += ret;
4039         }
4040
4041         if (mask & WPA_BSS_MASK_FREQ) {
4042                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
4043                 if (os_snprintf_error(end - pos, ret))
4044                         return 0;
4045                 pos += ret;
4046         }
4047
4048         if (mask & WPA_BSS_MASK_BEACON_INT) {
4049                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
4050                                   bss->beacon_int);
4051                 if (os_snprintf_error(end - pos, ret))
4052                         return 0;
4053                 pos += ret;
4054         }
4055
4056         if (mask & WPA_BSS_MASK_CAPABILITIES) {
4057                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
4058                                   bss->caps);
4059                 if (os_snprintf_error(end - pos, ret))
4060                         return 0;
4061                 pos += ret;
4062         }
4063
4064         if (mask & WPA_BSS_MASK_QUAL) {
4065                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
4066                 if (os_snprintf_error(end - pos, ret))
4067                         return 0;
4068                 pos += ret;
4069         }
4070
4071         if (mask & WPA_BSS_MASK_NOISE) {
4072                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
4073                 if (os_snprintf_error(end - pos, ret))
4074                         return 0;
4075                 pos += ret;
4076         }
4077
4078         if (mask & WPA_BSS_MASK_LEVEL) {
4079                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
4080                 if (os_snprintf_error(end - pos, ret))
4081                         return 0;
4082                 pos += ret;
4083         }
4084
4085         if (mask & WPA_BSS_MASK_TSF) {
4086                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
4087                                   (unsigned long long) bss->tsf);
4088                 if (os_snprintf_error(end - pos, ret))
4089                         return 0;
4090                 pos += ret;
4091         }
4092
4093         if (mask & WPA_BSS_MASK_AGE) {
4094                 struct os_reltime now;
4095
4096                 os_get_reltime(&now);
4097                 ret = os_snprintf(pos, end - pos, "age=%d\n",
4098                                   (int) (now.sec - bss->last_update.sec));
4099                 if (os_snprintf_error(end - pos, ret))
4100                         return 0;
4101                 pos += ret;
4102         }
4103
4104         if (mask & WPA_BSS_MASK_IE) {
4105                 ret = os_snprintf(pos, end - pos, "ie=");
4106                 if (os_snprintf_error(end - pos, ret))
4107                         return 0;
4108                 pos += ret;
4109
4110                 ie = (const u8 *) (bss + 1);
4111                 for (i = 0; i < bss->ie_len; i++) {
4112                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4113                         if (os_snprintf_error(end - pos, ret))
4114                                 return 0;
4115                         pos += ret;
4116                 }
4117
4118                 ret = os_snprintf(pos, end - pos, "\n");
4119                 if (os_snprintf_error(end - pos, ret))
4120                         return 0;
4121                 pos += ret;
4122         }
4123
4124         if (mask & WPA_BSS_MASK_FLAGS) {
4125                 ret = os_snprintf(pos, end - pos, "flags=");
4126                 if (os_snprintf_error(end - pos, ret))
4127                         return 0;
4128                 pos += ret;
4129
4130                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
4131                 if (ie)
4132                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
4133                                                     2 + ie[1]);
4134                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4135                 if (ie2)
4136                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
4137                                                     2 + ie2[1]);
4138                 osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
4139                 if (osen_ie)
4140                         pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
4141                                                     osen_ie, 2 + osen_ie[1]);
4142                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
4143                 if (!ie && !ie2 && !osen_ie &&
4144                     (bss->caps & IEEE80211_CAP_PRIVACY)) {
4145                         ret = os_snprintf(pos, end - pos, "[WEP]");
4146                         if (os_snprintf_error(end - pos, ret))
4147                                 return 0;
4148                         pos += ret;
4149                 }
4150                 if (bss_is_dmg(bss)) {
4151                         const char *s;
4152                         ret = os_snprintf(pos, end - pos, "[DMG]");
4153                         if (os_snprintf_error(end - pos, ret))
4154                                 return 0;
4155                         pos += ret;
4156                         switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
4157                         case IEEE80211_CAP_DMG_IBSS:
4158                                 s = "[IBSS]";
4159                                 break;
4160                         case IEEE80211_CAP_DMG_AP:
4161                                 s = "[ESS]";
4162                                 break;
4163                         case IEEE80211_CAP_DMG_PBSS:
4164                                 s = "[PBSS]";
4165                                 break;
4166                         default:
4167                                 s = "";
4168                                 break;
4169                         }
4170                         ret = os_snprintf(pos, end - pos, "%s", s);
4171                         if (os_snprintf_error(end - pos, ret))
4172                                 return 0;
4173                         pos += ret;
4174                 } else {
4175                         if (bss->caps & IEEE80211_CAP_IBSS) {
4176                                 ret = os_snprintf(pos, end - pos, "[IBSS]");
4177                                 if (os_snprintf_error(end - pos, ret))
4178                                         return 0;
4179                                 pos += ret;
4180                         }
4181                         if (bss->caps & IEEE80211_CAP_ESS) {
4182                                 ret = os_snprintf(pos, end - pos, "[ESS]");
4183                                 if (os_snprintf_error(end - pos, ret))
4184                                         return 0;
4185                                 pos += ret;
4186                         }
4187                 }
4188                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
4189                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
4190                         ret = os_snprintf(pos, end - pos, "[P2P]");
4191                         if (os_snprintf_error(end - pos, ret))
4192                                 return 0;
4193                         pos += ret;
4194                 }
4195 #ifdef CONFIG_HS20
4196                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
4197                         ret = os_snprintf(pos, end - pos, "[HS20]");
4198                         if (os_snprintf_error(end - pos, ret))
4199                                 return 0;
4200                         pos += ret;
4201                 }
4202 #endif /* CONFIG_HS20 */
4203
4204                 ret = os_snprintf(pos, end - pos, "\n");
4205                 if (os_snprintf_error(end - pos, ret))
4206                         return 0;
4207                 pos += ret;
4208         }
4209
4210         if (mask & WPA_BSS_MASK_SSID) {
4211                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
4212                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
4213                 if (os_snprintf_error(end - pos, ret))
4214                         return 0;
4215                 pos += ret;
4216         }
4217
4218 #ifdef CONFIG_WPS
4219         if (mask & WPA_BSS_MASK_WPS_SCAN) {
4220                 ie = (const u8 *) (bss + 1);
4221                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
4222                 if (ret < 0 || ret >= end - pos)
4223                         return 0;
4224                 pos += ret;
4225         }
4226 #endif /* CONFIG_WPS */
4227
4228 #ifdef CONFIG_P2P
4229         if (mask & WPA_BSS_MASK_P2P_SCAN) {
4230                 ie = (const u8 *) (bss + 1);
4231                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
4232                 if (ret < 0 || ret >= end - pos)
4233                         return 0;
4234                 pos += ret;
4235         }
4236 #endif /* CONFIG_P2P */
4237
4238 #ifdef CONFIG_WIFI_DISPLAY
4239         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
4240                 struct wpabuf *wfd;
4241                 ie = (const u8 *) (bss + 1);
4242                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
4243                                                   WFD_IE_VENDOR_TYPE);
4244                 if (wfd) {
4245                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
4246                         if (os_snprintf_error(end - pos, ret)) {
4247                                 wpabuf_free(wfd);
4248                                 return 0;
4249                         }
4250                         pos += ret;
4251
4252                         pos += wpa_snprintf_hex(pos, end - pos,
4253                                                 wpabuf_head(wfd),
4254                                                 wpabuf_len(wfd));
4255                         wpabuf_free(wfd);
4256
4257                         ret = os_snprintf(pos, end - pos, "\n");
4258                         if (os_snprintf_error(end - pos, ret))
4259                                 return 0;
4260                         pos += ret;
4261                 }
4262         }
4263 #endif /* CONFIG_WIFI_DISPLAY */
4264
4265 #ifdef CONFIG_INTERWORKING
4266         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
4267                 struct wpa_bss_anqp *anqp = bss->anqp;
4268                 pos = anqp_add_hex(pos, end, "anqp_capability_list",
4269                                    anqp->capability_list);
4270                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
4271                                    anqp->venue_name);
4272                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4273                                    anqp->network_auth_type);
4274                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4275                                    anqp->roaming_consortium);
4276                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4277                                    anqp->ip_addr_type_availability);
4278                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4279                                    anqp->nai_realm);
4280                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4281                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
4282                                    anqp->domain_name);
4283 #ifdef CONFIG_HS20
4284                 pos = anqp_add_hex(pos, end, "hs20_capability_list",
4285                                    anqp->hs20_capability_list);
4286                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4287                                    anqp->hs20_operator_friendly_name);
4288                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4289                                    anqp->hs20_wan_metrics);
4290                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4291                                    anqp->hs20_connection_capability);
4292                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
4293                                    anqp->hs20_operating_class);
4294                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4295                                    anqp->hs20_osu_providers_list);
4296 #endif /* CONFIG_HS20 */
4297         }
4298 #endif /* CONFIG_INTERWORKING */
4299
4300 #ifdef CONFIG_MESH
4301         if (mask & WPA_BSS_MASK_MESH_SCAN) {
4302                 ie = (const u8 *) (bss + 1);
4303                 ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4304                 if (ret < 0 || ret >= end - pos)
4305                         return 0;
4306                 pos += ret;
4307         }
4308 #endif /* CONFIG_MESH */
4309
4310         if (mask & WPA_BSS_MASK_SNR) {
4311                 ret = os_snprintf(pos, end - pos, "snr=%d\n", bss->snr);
4312                 if (os_snprintf_error(end - pos, ret))
4313                         return 0;
4314                 pos += ret;
4315         }
4316
4317         if (mask & WPA_BSS_MASK_EST_THROUGHPUT) {
4318                 ret = os_snprintf(pos, end - pos, "est_throughput=%d\n",
4319                                   bss->est_throughput);
4320                 if (os_snprintf_error(end - pos, ret))
4321                         return 0;
4322                 pos += ret;
4323         }
4324
4325 #ifdef CONFIG_FST
4326         if (mask & WPA_BSS_MASK_FST) {
4327                 ret = fst_ctrl_iface_mb_info(bss->bssid, pos, end - pos);
4328                 if (ret < 0 || ret >= end - pos)
4329                         return 0;
4330                 pos += ret;
4331         }
4332 #endif /* CONFIG_FST */
4333
4334         if (mask & WPA_BSS_MASK_DELIM) {
4335                 ret = os_snprintf(pos, end - pos, "====\n");
4336                 if (os_snprintf_error(end - pos, ret))
4337                         return 0;
4338                 pos += ret;
4339         }
4340
4341         return pos - buf;
4342 }
4343
4344
4345 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
4346                                          const char *cmd, char *buf,
4347                                          size_t buflen)
4348 {
4349         u8 bssid[ETH_ALEN];
4350         size_t i;
4351         struct wpa_bss *bss;
4352         struct wpa_bss *bsslast = NULL;
4353         struct dl_list *next;
4354         int ret = 0;
4355         int len;
4356         char *ctmp, *end = buf + buflen;
4357         unsigned long mask = WPA_BSS_MASK_ALL;
4358
4359         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
4360                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
4361                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
4362                                             list_id);
4363                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
4364                                                list_id);
4365                 } else { /* N1-N2 */
4366                         unsigned int id1, id2;
4367
4368                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
4369                                 wpa_printf(MSG_INFO, "Wrong BSS range "
4370                                            "format");
4371                                 return 0;
4372                         }
4373
4374                         if (*(cmd + 6) == '-')
4375                                 id1 = 0;
4376                         else
4377                                 id1 = atoi(cmd + 6);
4378                         ctmp++;
4379                         if (*ctmp >= '0' && *ctmp <= '9')
4380                                 id2 = atoi(ctmp);
4381                         else
4382                                 id2 = (unsigned int) -1;
4383                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4384                         if (id2 == (unsigned int) -1)
4385                                 bsslast = dl_list_last(&wpa_s->bss_id,
4386                                                        struct wpa_bss,
4387                                                        list_id);
4388                         else {
4389                                 bsslast = wpa_bss_get_id(wpa_s, id2);
4390                                 if (bsslast == NULL && bss && id2 > id1) {
4391                                         struct wpa_bss *tmp = bss;
4392                                         for (;;) {
4393                                                 next = tmp->list_id.next;
4394                                                 if (next == &wpa_s->bss_id)
4395                                                         break;
4396                                                 tmp = dl_list_entry(
4397                                                         next, struct wpa_bss,
4398                                                         list_id);
4399                                                 if (tmp->id > id2)
4400                                                         break;
4401                                                 bsslast = tmp;
4402                                         }
4403                                 }
4404                         }
4405                 }
4406         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
4407                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4408         else if (os_strncmp(cmd, "LAST", 4) == 0)
4409                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4410         else if (os_strncmp(cmd, "ID-", 3) == 0) {
4411                 i = atoi(cmd + 3);
4412                 bss = wpa_bss_get_id(wpa_s, i);
4413         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4414                 i = atoi(cmd + 5);
4415                 bss = wpa_bss_get_id(wpa_s, i);
4416                 if (bss) {
4417                         next = bss->list_id.next;
4418                         if (next == &wpa_s->bss_id)
4419                                 bss = NULL;
4420                         else
4421                                 bss = dl_list_entry(next, struct wpa_bss,
4422                                                     list_id);
4423                 }
4424 #ifdef CONFIG_P2P
4425         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4426                 if (hwaddr_aton(cmd + 13, bssid) == 0)
4427                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4428                 else
4429                         bss = NULL;
4430 #endif /* CONFIG_P2P */
4431         } else if (hwaddr_aton(cmd, bssid) == 0)
4432                 bss = wpa_bss_get_bssid(wpa_s, bssid);
4433         else {
4434                 struct wpa_bss *tmp;
4435                 i = atoi(cmd);
4436                 bss = NULL;
4437                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4438                 {
4439                         if (i-- == 0) {
4440                                 bss = tmp;
4441                                 break;
4442                         }
4443                 }
4444         }
4445
4446         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4447                 mask = strtoul(ctmp + 5, NULL, 0x10);
4448                 if (mask == 0)
4449                         mask = WPA_BSS_MASK_ALL;
4450         }
4451
4452         if (bss == NULL)
4453                 return 0;
4454
4455         if (bsslast == NULL)
4456                 bsslast = bss;
4457         do {
4458                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4459                 ret += len;
4460                 buf += len;
4461                 buflen -= len;
4462                 if (bss == bsslast) {
4463                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
4464                             (bss == dl_list_last(&wpa_s->bss_id,
4465                                                  struct wpa_bss, list_id))) {
4466                                 int res;
4467
4468                                 res = os_snprintf(buf - 5, end - buf + 5,
4469                                                   "####\n");
4470                                 if (os_snprintf_error(end - buf + 5, res)) {
4471                                         wpa_printf(MSG_DEBUG,
4472                                                    "Could not add end delim");
4473                                 }
4474                         }
4475                         break;
4476                 }
4477                 next = bss->list_id.next;
4478                 if (next == &wpa_s->bss_id)
4479                         break;
4480                 bss = dl_list_entry(next, struct wpa_bss, list_id);
4481         } while (bss && len);
4482
4483         return ret;
4484 }
4485
4486
4487 static int wpa_supplicant_ctrl_iface_ap_scan(
4488         struct wpa_supplicant *wpa_s, char *cmd)
4489 {
4490         int ap_scan = atoi(cmd);
4491         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4492 }
4493
4494
4495 static int wpa_supplicant_ctrl_iface_scan_interval(
4496         struct wpa_supplicant *wpa_s, char *cmd)
4497 {
4498         int scan_int = atoi(cmd);
4499         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4500 }
4501
4502
4503 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4504         struct wpa_supplicant *wpa_s, char *cmd)
4505 {
4506         int expire_age = atoi(cmd);
4507         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4508 }
4509
4510
4511 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4512         struct wpa_supplicant *wpa_s, char *cmd)
4513 {
4514         int expire_count = atoi(cmd);
4515         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4516 }
4517
4518
4519 static void wpa_supplicant_ctrl_iface_bss_flush(
4520         struct wpa_supplicant *wpa_s, char *cmd)
4521 {
4522         int flush_age = atoi(cmd);
4523
4524         if (flush_age == 0)
4525                 wpa_bss_flush(wpa_s);
4526         else
4527                 wpa_bss_flush_by_age(wpa_s, flush_age);
4528 }
4529
4530
4531 #ifdef CONFIG_TESTING_OPTIONS
4532 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4533 {
4534         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4535         /* MLME-DELETEKEYS.request */
4536         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4537         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4538         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4539         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4540 #ifdef CONFIG_IEEE80211W
4541         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4542         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4543 #endif /* CONFIG_IEEE80211W */
4544
4545         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4546                         0);
4547         /* MLME-SETPROTECTION.request(None) */
4548         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4549                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4550                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4551         wpa_sm_drop_sa(wpa_s->wpa);
4552 }
4553 #endif /* CONFIG_TESTING_OPTIONS */
4554
4555
4556 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4557                                           char *addr)
4558 {
4559 #ifdef CONFIG_NO_SCAN_PROCESSING
4560         return -1;
4561 #else /* CONFIG_NO_SCAN_PROCESSING */
4562         u8 bssid[ETH_ALEN];
4563         struct wpa_bss *bss;
4564         struct wpa_ssid *ssid = wpa_s->current_ssid;
4565
4566         if (hwaddr_aton(addr, bssid)) {
4567                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4568                            "address '%s'", addr);
4569                 return -1;
4570         }
4571
4572         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4573
4574         if (!ssid) {
4575                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4576                            "configuration known for the target AP");
4577                 return -1;
4578         }
4579
4580         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4581         if (!bss) {
4582                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4583                            "from BSS table");
4584                 return -1;
4585         }
4586
4587         /*
4588          * TODO: Find best network configuration block from configuration to
4589          * allow roaming to other networks
4590          */
4591
4592         wpa_s->reassociate = 1;
4593         wpa_supplicant_connect(wpa_s, bss, ssid);
4594
4595         return 0;
4596 #endif /* CONFIG_NO_SCAN_PROCESSING */
4597 }
4598
4599
4600 #ifdef CONFIG_P2P
4601 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4602 {
4603         unsigned int timeout = atoi(cmd);
4604         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4605         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4606         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4607         char *pos;
4608         unsigned int search_delay;
4609         const char *_seek[P2P_MAX_QUERY_HASH + 1], **seek = NULL;
4610         u8 seek_count = 0;
4611         int freq = 0;
4612
4613         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4614                 wpa_dbg(wpa_s, MSG_INFO,
4615                         "Reject P2P_FIND since interface is disabled");
4616                 return -1;
4617         }
4618         if (os_strstr(cmd, "type=social"))
4619                 type = P2P_FIND_ONLY_SOCIAL;
4620         else if (os_strstr(cmd, "type=progressive"))
4621                 type = P2P_FIND_PROGRESSIVE;
4622
4623         pos = os_strstr(cmd, "dev_id=");
4624         if (pos) {
4625                 pos += 7;
4626                 if (hwaddr_aton(pos, dev_id))
4627                         return -1;
4628                 _dev_id = dev_id;
4629         }
4630
4631         pos = os_strstr(cmd, "dev_type=");
4632         if (pos) {
4633                 pos += 9;
4634                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4635                         return -1;
4636                 _dev_type = dev_type;
4637         }
4638
4639         pos = os_strstr(cmd, "delay=");
4640         if (pos) {
4641                 pos += 6;
4642                 search_delay = atoi(pos);
4643         } else
4644                 search_delay = wpas_p2p_search_delay(wpa_s);
4645
4646         pos = os_strstr(cmd, "freq=");
4647         if (pos) {
4648                 pos += 5;
4649                 freq = atoi(pos);
4650                 if (freq <= 0)
4651                         return -1;
4652         }
4653
4654         /* Must be searched for last, because it adds nul termination */
4655         pos = os_strstr(cmd, " seek=");
4656         if (pos)
4657                 pos += 6;
4658         while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
4659                 char *term;
4660
4661                 _seek[seek_count++] = pos;
4662                 seek = _seek;
4663                 term = os_strchr(pos, ' ');
4664                 if (!term)
4665                         break;
4666                 *term = '\0';
4667                 pos = os_strstr(term + 1, "seek=");
4668                 if (pos)
4669                         pos += 5;
4670         }
4671         if (seek_count > P2P_MAX_QUERY_HASH) {
4672                 seek[0] = NULL;
4673                 seek_count = 1;
4674         }
4675
4676         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4677                              _dev_id, search_delay, seek_count, seek, freq);
4678 }
4679
4680
4681 static int p2ps_ctrl_parse_cpt_priority(const char *pos, u8 *cpt)
4682 {
4683         const char *last = NULL;
4684         const char *token;
4685         long int token_len;
4686         unsigned int i;
4687
4688         /* Expected predefined CPT names delimited by ':' */
4689         for (i = 0; (token = cstr_token(pos, ": \t", &last)); i++) {
4690                 if (i >= P2PS_FEATURE_CAPAB_CPT_MAX) {
4691                         wpa_printf(MSG_ERROR,
4692                                    "P2PS: CPT name list is too long, expected up to %d names",
4693                                    P2PS_FEATURE_CAPAB_CPT_MAX);
4694                         cpt[0] = 0;
4695                         return -1;
4696                 }
4697
4698                 token_len = last - token;
4699
4700                 if (token_len  == 3 &&
4701                     os_memcmp(token, "UDP", token_len) == 0) {
4702                         cpt[i] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4703                 } else if (token_len == 3 &&
4704                            os_memcmp(token, "MAC", token_len) == 0) {
4705                         cpt[i] = P2PS_FEATURE_CAPAB_MAC_TRANSPORT;
4706                 } else {
4707                         wpa_printf(MSG_ERROR,
4708                                    "P2PS: Unsupported CPT name '%s'", token);
4709                         cpt[0] = 0;
4710                         return -1;
4711                 }
4712
4713                 if (isblank(*last)) {
4714                         i++;
4715                         break;
4716                 }
4717         }
4718         cpt[i] = 0;
4719         return 0;
4720 }
4721
4722
4723 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
4724 {
4725         struct p2ps_provision *p2ps_prov;
4726         char *pos;
4727         size_t info_len = 0;
4728         char *info = NULL;
4729         u8 role = P2PS_SETUP_NONE;
4730         long long unsigned val;
4731         int i;
4732
4733         pos = os_strstr(cmd, "info=");
4734         if (pos) {
4735                 pos += 5;
4736                 info_len = os_strlen(pos);
4737
4738                 if (info_len) {
4739                         info = os_malloc(info_len + 1);
4740                         if (info) {
4741                                 info_len = utf8_unescape(pos, info_len,
4742                                                          info, info_len + 1);
4743                         } else
4744                                 info_len = 0;
4745                 }
4746         }
4747
4748         p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
4749         if (p2ps_prov == NULL) {
4750                 os_free(info);
4751                 return NULL;
4752         }
4753
4754         if (info) {
4755                 os_memcpy(p2ps_prov->info, info, info_len);
4756                 p2ps_prov->info[info_len] = '\0';
4757                 os_free(info);
4758         }
4759
4760         pos = os_strstr(cmd, "status=");
4761         if (pos)
4762                 p2ps_prov->status = atoi(pos + 7);
4763         else
4764                 p2ps_prov->status = -1;
4765
4766         pos = os_strstr(cmd, "adv_id=");
4767         if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
4768                 goto invalid_args;
4769         p2ps_prov->adv_id = val;
4770
4771         pos = os_strstr(cmd, "method=");
4772         if (pos)
4773                 p2ps_prov->method = strtol(pos + 7, NULL, 16);
4774         else
4775                 p2ps_prov->method = 0;
4776
4777         pos = os_strstr(cmd, "session=");
4778         if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
4779                 goto invalid_args;
4780         p2ps_prov->session_id = val;
4781
4782         pos = os_strstr(cmd, "adv_mac=");
4783         if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
4784                 goto invalid_args;
4785
4786         pos = os_strstr(cmd, "session_mac=");
4787         if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
4788                 goto invalid_args;
4789
4790         pos = os_strstr(cmd, "cpt=");
4791         if (pos) {
4792                 if (p2ps_ctrl_parse_cpt_priority(pos + 4,
4793                                                  p2ps_prov->cpt_priority))
4794                         goto invalid_args;
4795         } else {
4796                 p2ps_prov->cpt_priority[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4797         }
4798
4799         for (i = 0; p2ps_prov->cpt_priority[i]; i++)
4800                 p2ps_prov->cpt_mask |= p2ps_prov->cpt_priority[i];
4801
4802         /* force conncap with tstCap (no sanity checks) */
4803         pos = os_strstr(cmd, "tstCap=");
4804         if (pos) {
4805                 role = strtol(pos + 7, NULL, 16);
4806         } else {
4807                 pos = os_strstr(cmd, "role=");
4808                 if (pos) {
4809                         role = strtol(pos + 5, NULL, 16);
4810                         if (role != P2PS_SETUP_CLIENT &&
4811                             role != P2PS_SETUP_GROUP_OWNER)
4812                                 role = P2PS_SETUP_NONE;
4813                 }
4814         }
4815         p2ps_prov->role = role;
4816
4817         return p2ps_prov;
4818
4819 invalid_args:
4820         os_free(p2ps_prov);
4821         return NULL;
4822 }
4823
4824
4825 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
4826 {
4827         u8 addr[ETH_ALEN];
4828         struct p2ps_provision *p2ps_prov;
4829         char *pos;
4830
4831         /* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
4832
4833         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4834
4835         if (hwaddr_aton(cmd, addr))
4836                 return -1;
4837
4838         pos = cmd + 17;
4839         if (*pos != ' ')
4840                 return -1;
4841
4842         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4843         if (!p2ps_prov)
4844                 return -1;
4845
4846         if (p2ps_prov->status < 0) {
4847                 os_free(p2ps_prov);
4848                 return -1;
4849         }
4850
4851         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4852                                   p2ps_prov);
4853 }
4854
4855
4856 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
4857 {
4858         u8 addr[ETH_ALEN];
4859         struct p2ps_provision *p2ps_prov;
4860         char *pos;
4861
4862         /* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
4863          *        session=<ses_id> mac=<ses_mac> [info=<infodata>]
4864          */
4865
4866         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4867         if (hwaddr_aton(cmd, addr))
4868                 return -1;
4869
4870         pos = cmd + 17;
4871         if (*pos != ' ')
4872                 return -1;
4873
4874         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4875         if (!p2ps_prov)
4876                 return -1;
4877
4878         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4879                                   p2ps_prov);
4880 }
4881
4882
4883 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4884                             char *buf, size_t buflen)
4885 {
4886         u8 addr[ETH_ALEN];
4887         char *pos, *pos2;
4888         char *pin = NULL;
4889         enum p2p_wps_method wps_method;
4890         int new_pin;
4891         int ret;
4892         int persistent_group, persistent_id = -1;
4893         int join;
4894         int auth;
4895         int automatic;
4896         int go_intent = -1;
4897         int freq = 0;
4898         int pd;
4899         int ht40, vht;
4900
4901         if (!wpa_s->global->p2p_init_wpa_s)
4902                 return -1;
4903         if (wpa_s->global->p2p_init_wpa_s != wpa_s) {
4904                 wpa_dbg(wpa_s, MSG_DEBUG, "Direct P2P_CONNECT command to %s",
4905                         wpa_s->global->p2p_init_wpa_s->ifname);
4906                 wpa_s = wpa_s->global->p2p_init_wpa_s;
4907         }
4908
4909         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
4910          * [persistent|persistent=<network id>]
4911          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4912          * [ht40] [vht] [auto] */
4913
4914         if (hwaddr_aton(cmd, addr))
4915                 return -1;
4916
4917         pos = cmd + 17;
4918         if (*pos != ' ')
4919                 return -1;
4920         pos++;
4921
4922         persistent_group = os_strstr(pos, " persistent") != NULL;
4923         pos2 = os_strstr(pos, " persistent=");
4924         if (pos2) {
4925                 struct wpa_ssid *ssid;
4926                 persistent_id = atoi(pos2 + 12);
4927                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4928                 if (ssid == NULL || ssid->disabled != 2 ||
4929                     ssid->mode != WPAS_MODE_P2P_GO) {
4930                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4931                                    "SSID id=%d for persistent P2P group (GO)",
4932                                    persistent_id);
4933                         return -1;
4934                 }
4935         }
4936         join = os_strstr(pos, " join") != NULL;
4937         auth = os_strstr(pos, " auth") != NULL;
4938         automatic = os_strstr(pos, " auto") != NULL;
4939         pd = os_strstr(pos, " provdisc") != NULL;
4940         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4941         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4942                 vht;
4943
4944         pos2 = os_strstr(pos, " go_intent=");
4945         if (pos2) {
4946                 pos2 += 11;
4947                 go_intent = atoi(pos2);
4948                 if (go_intent < 0 || go_intent > 15)
4949                         return -1;
4950         }
4951
4952         pos2 = os_strstr(pos, " freq=");
4953         if (pos2) {
4954                 pos2 += 6;
4955                 freq = atoi(pos2);
4956                 if (freq <= 0)
4957                         return -1;
4958         }
4959
4960         if (os_strncmp(pos, "pin", 3) == 0) {
4961                 /* Request random PIN (to be displayed) and enable the PIN */
4962                 wps_method = WPS_PIN_DISPLAY;
4963         } else if (os_strncmp(pos, "pbc", 3) == 0) {
4964                 wps_method = WPS_PBC;
4965         } else {
4966                 pin = pos;
4967                 pos = os_strchr(pin, ' ');
4968                 wps_method = WPS_PIN_KEYPAD;
4969                 if (pos) {
4970                         *pos++ = '\0';
4971                         if (os_strncmp(pos, "display", 7) == 0)
4972                                 wps_method = WPS_PIN_DISPLAY;
4973                         else if (os_strncmp(pos, "p2ps", 4) == 0)
4974                                 wps_method = WPS_P2PS;
4975                 }
4976                 if (!wps_pin_str_valid(pin)) {
4977                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
4978                         return 17;
4979                 }
4980         }
4981
4982         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
4983                                    persistent_group, automatic, join,
4984                                    auth, go_intent, freq, persistent_id, pd,
4985                                    ht40, vht);
4986         if (new_pin == -2) {
4987                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
4988                 return 25;
4989         }
4990         if (new_pin == -3) {
4991                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
4992                 return 25;
4993         }
4994         if (new_pin < 0)
4995                 return -1;
4996         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
4997                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
4998                 if (os_snprintf_error(buflen, ret))
4999                         return -1;
5000                 return ret;
5001         }
5002
5003         os_memcpy(buf, "OK\n", 3);
5004         return 3;
5005 }
5006
5007
5008 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
5009 {
5010         unsigned int timeout = atoi(cmd);
5011         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
5012                 wpa_dbg(wpa_s, MSG_INFO,
5013                         "Reject P2P_LISTEN since interface is disabled");
5014                 return -1;
5015         }
5016         return wpas_p2p_listen(wpa_s, timeout);
5017 }
5018
5019
5020 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
5021 {
5022         u8 addr[ETH_ALEN];
5023         char *pos;
5024         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
5025
5026         /* <addr> <config method> [join|auto] */
5027
5028         if (hwaddr_aton(cmd, addr))
5029                 return -1;
5030
5031         pos = cmd + 17;
5032         if (*pos != ' ')
5033                 return -1;
5034         pos++;
5035
5036         if (os_strstr(pos, " join") != NULL)
5037                 use = WPAS_P2P_PD_FOR_JOIN;
5038         else if (os_strstr(pos, " auto") != NULL)
5039                 use = WPAS_P2P_PD_AUTO;
5040
5041         return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
5042 }
5043
5044
5045 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
5046                               size_t buflen)
5047 {
5048         struct wpa_ssid *ssid = wpa_s->current_ssid;
5049
5050         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
5051             ssid->passphrase == NULL)
5052                 return -1;
5053
5054         os_strlcpy(buf, ssid->passphrase, buflen);
5055         return os_strlen(buf);
5056 }
5057
5058
5059 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
5060                                   char *buf, size_t buflen)
5061 {
5062         u64 ref;
5063         int res;
5064         u8 dst_buf[ETH_ALEN], *dst;
5065         struct wpabuf *tlvs;
5066         char *pos;
5067         size_t len;
5068
5069         if (hwaddr_aton(cmd, dst_buf))
5070                 return -1;
5071         dst = dst_buf;
5072         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
5073             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
5074                 dst = NULL;
5075         pos = cmd + 17;
5076         if (*pos != ' ')
5077                 return -1;
5078         pos++;
5079
5080         if (os_strncmp(pos, "upnp ", 5) == 0) {
5081                 u8 version;
5082                 pos += 5;
5083                 if (hexstr2bin(pos, &version, 1) < 0)
5084                         return -1;
5085                 pos += 2;
5086                 if (*pos != ' ')
5087                         return -1;
5088                 pos++;
5089                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
5090 #ifdef CONFIG_WIFI_DISPLAY
5091         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
5092                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
5093 #endif /* CONFIG_WIFI_DISPLAY */
5094         } else if (os_strncmp(pos, "asp ", 4) == 0) {
5095                 char *svc_str;
5096                 char *svc_info = NULL;
5097                 u32 id;
5098
5099                 pos += 4;
5100                 if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
5101                         return -1;
5102
5103                 pos = os_strchr(pos, ' ');
5104                 if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
5105                         return -1;
5106
5107                 svc_str = pos + 1;
5108
5109                 pos = os_strchr(svc_str, ' ');
5110
5111                 if (pos)
5112                         *pos++ = '\0';
5113
5114                 /* All remaining data is the svc_info string */
5115                 if (pos && pos[0] && pos[0] != ' ') {
5116                         len = os_strlen(pos);
5117
5118                         /* Unescape in place */
5119                         len = utf8_unescape(pos, len, pos, len);
5120                         if (len > 0xff)
5121                                 return -1;
5122
5123                         svc_info = pos;
5124                 }
5125
5126                 ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
5127                                               svc_str, svc_info);
5128         } else {
5129                 len = os_strlen(pos);
5130                 if (len & 1)
5131                         return -1;
5132                 len /= 2;
5133                 tlvs = wpabuf_alloc(len);
5134                 if (tlvs == NULL)
5135                         return -1;
5136                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
5137                         wpabuf_free(tlvs);
5138                         return -1;
5139                 }
5140
5141                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
5142                 wpabuf_free(tlvs);
5143         }
5144         if (ref == 0)
5145                 return -1;
5146         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
5147         if (os_snprintf_error(buflen, res))
5148                 return -1;
5149         return res;
5150 }
5151
5152
5153 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
5154                                          char *cmd)
5155 {
5156         long long unsigned val;
5157         u64 req;
5158         if (sscanf(cmd, "%llx", &val) != 1)
5159                 return -1;
5160         req = val;
5161         return wpas_p2p_sd_cancel_request(wpa_s, req);
5162 }
5163
5164
5165 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
5166 {
5167         int freq;
5168         u8 dst[ETH_ALEN];
5169         u8 dialog_token;
5170         struct wpabuf *resp_tlvs;
5171         char *pos, *pos2;
5172         size_t len;
5173
5174         pos = os_strchr(cmd, ' ');
5175         if (pos == NULL)
5176                 return -1;
5177         *pos++ = '\0';
5178         freq = atoi(cmd);
5179         if (freq == 0)
5180                 return -1;
5181
5182         if (hwaddr_aton(pos, dst))
5183                 return -1;
5184         pos += 17;
5185         if (*pos != ' ')
5186                 return -1;
5187         pos++;
5188
5189         pos2 = os_strchr(pos, ' ');
5190         if (pos2 == NULL)
5191                 return -1;
5192         *pos2++ = '\0';
5193         dialog_token = atoi(pos);
5194
5195         len = os_strlen(pos2);
5196         if (len & 1)
5197                 return -1;
5198         len /= 2;
5199         resp_tlvs = wpabuf_alloc(len);
5200         if (resp_tlvs == NULL)
5201                 return -1;
5202         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
5203                 wpabuf_free(resp_tlvs);
5204                 return -1;
5205         }
5206
5207         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
5208         wpabuf_free(resp_tlvs);
5209         return 0;
5210 }
5211
5212
5213 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
5214                                        char *cmd)
5215 {
5216         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
5217                 return -1;
5218         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
5219         return 0;
5220 }
5221
5222
5223 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
5224                                         char *cmd)
5225 {
5226         char *pos;
5227         size_t len;
5228         struct wpabuf *query, *resp;
5229
5230         pos = os_strchr(cmd, ' ');
5231         if (pos == NULL)
5232                 return -1;
5233         *pos++ = '\0';
5234
5235         len = os_strlen(cmd);
5236         if (len & 1)
5237                 return -1;
5238         len /= 2;
5239         query = wpabuf_alloc(len);
5240         if (query == NULL)
5241                 return -1;
5242         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5243                 wpabuf_free(query);
5244                 return -1;
5245         }
5246
5247         len = os_strlen(pos);
5248         if (len & 1) {
5249                 wpabuf_free(query);
5250                 return -1;
5251         }
5252         len /= 2;
5253         resp = wpabuf_alloc(len);
5254         if (resp == NULL) {
5255                 wpabuf_free(query);
5256                 return -1;
5257         }
5258         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
5259                 wpabuf_free(query);
5260                 wpabuf_free(resp);
5261                 return -1;
5262         }
5263
5264         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
5265                 wpabuf_free(query);
5266                 wpabuf_free(resp);
5267                 return -1;
5268         }
5269         return 0;
5270 }
5271
5272
5273 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5274 {
5275         char *pos;
5276         u8 version;
5277
5278         pos = os_strchr(cmd, ' ');
5279         if (pos == NULL)
5280                 return -1;
5281         *pos++ = '\0';
5282
5283         if (hexstr2bin(cmd, &version, 1) < 0)
5284                 return -1;
5285
5286         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
5287 }
5288
5289
5290 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
5291                                     u8 replace, char *cmd)
5292 {
5293         char *pos;
5294         char *adv_str;
5295         u32 auto_accept, adv_id, svc_state, config_methods;
5296         char *svc_info = NULL;
5297         char *cpt_prio_str;
5298         u8 cpt_prio[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
5299
5300         pos = os_strchr(cmd, ' ');
5301         if (pos == NULL)
5302                 return -1;
5303         *pos++ = '\0';
5304
5305         /* Auto-Accept value is mandatory, and must be one of the
5306          * single values (0, 1, 2, 4) */
5307         auto_accept = atoi(cmd);
5308         switch (auto_accept) {
5309         case P2PS_SETUP_NONE: /* No auto-accept */
5310         case P2PS_SETUP_NEW:
5311         case P2PS_SETUP_CLIENT:
5312         case P2PS_SETUP_GROUP_OWNER:
5313                 break;
5314         default:
5315                 return -1;
5316         }
5317
5318         /* Advertisement ID is mandatory */
5319         cmd = pos;
5320         pos = os_strchr(cmd, ' ');
5321         if (pos == NULL)
5322                 return -1;
5323         *pos++ = '\0';
5324
5325         /* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
5326         if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
5327                 return -1;
5328
5329         /* Only allow replacements if exist, and adds if not */
5330         if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
5331                 if (!replace)
5332                         return -1;
5333         } else {
5334                 if (replace)
5335                         return -1;
5336         }
5337
5338         /* svc_state between 0 - 0xff is mandatory */
5339         if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
5340                 return -1;
5341
5342         pos = os_strchr(pos, ' ');
5343         if (pos == NULL)
5344                 return -1;
5345
5346         /* config_methods is mandatory */
5347         pos++;
5348         if (sscanf(pos, "%x", &config_methods) != 1)
5349                 return -1;
5350
5351         if (!(config_methods &
5352               (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
5353                 return -1;
5354
5355         pos = os_strchr(pos, ' ');
5356         if (pos == NULL)
5357                 return -1;
5358
5359         pos++;
5360         adv_str = pos;
5361
5362         /* Advertisement string is mandatory */
5363         if (!pos[0] || pos[0] == ' ')
5364                 return -1;
5365
5366         /* Terminate svc string */
5367         pos = os_strchr(pos, ' ');
5368         if (pos != NULL)
5369                 *pos++ = '\0';
5370
5371         cpt_prio_str = (pos && pos[0]) ? os_strstr(pos, "cpt=") : NULL;
5372         if (cpt_prio_str) {
5373                 pos = os_strchr(pos, ' ');
5374                 if (pos != NULL)
5375                         *pos++ = '\0';
5376
5377                 if (p2ps_ctrl_parse_cpt_priority(cpt_prio_str + 4, cpt_prio))
5378                         return -1;
5379         } else {
5380                 cpt_prio[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
5381                 cpt_prio[1] = 0;
5382         }
5383
5384         /* Service and Response Information are optional */
5385         if (pos && pos[0]) {
5386                 size_t len;
5387
5388                 /* Note the bare ' included, which cannot exist legally
5389                  * in unescaped string. */
5390                 svc_info = os_strstr(pos, "svc_info='");
5391
5392                 if (svc_info) {
5393                         svc_info += 9;
5394                         len = os_strlen(svc_info);
5395                         utf8_unescape(svc_info, len, svc_info, len);
5396                 }
5397         }
5398
5399         return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
5400                                         (u8) svc_state, (u16) config_methods,
5401                                         svc_info, cpt_prio);
5402 }
5403
5404
5405 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
5406 {
5407         char *pos;
5408
5409         pos = os_strchr(cmd, ' ');
5410         if (pos == NULL)
5411                 return -1;
5412         *pos++ = '\0';
5413
5414         if (os_strcmp(cmd, "bonjour") == 0)
5415                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
5416         if (os_strcmp(cmd, "upnp") == 0)
5417                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
5418         if (os_strcmp(cmd, "asp") == 0)
5419                 return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
5420         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5421         return -1;
5422 }
5423
5424
5425 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
5426                                         char *cmd)
5427 {
5428         size_t len;
5429         struct wpabuf *query;
5430         int ret;
5431
5432         len = os_strlen(cmd);
5433         if (len & 1)
5434                 return -1;
5435         len /= 2;
5436         query = wpabuf_alloc(len);
5437         if (query == NULL)
5438                 return -1;
5439         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5440                 wpabuf_free(query);
5441                 return -1;
5442         }
5443
5444         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
5445         wpabuf_free(query);
5446         return ret;
5447 }
5448
5449
5450 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5451 {
5452         char *pos;
5453         u8 version;
5454
5455         pos = os_strchr(cmd, ' ');
5456         if (pos == NULL)
5457                 return -1;
5458         *pos++ = '\0';
5459
5460         if (hexstr2bin(cmd, &version, 1) < 0)
5461                 return -1;
5462
5463         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
5464 }
5465
5466
5467 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
5468 {
5469         u32 adv_id;
5470
5471         if (os_strcmp(cmd, "all") == 0) {
5472                 wpas_p2p_service_flush_asp(wpa_s);
5473                 return 0;
5474         }
5475
5476         if (sscanf(cmd, "%x", &adv_id) != 1)
5477                 return -1;
5478
5479         return wpas_p2p_service_del_asp(wpa_s, adv_id);
5480 }
5481
5482
5483 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
5484 {
5485         char *pos;
5486
5487         pos = os_strchr(cmd, ' ');
5488         if (pos == NULL)
5489                 return -1;
5490         *pos++ = '\0';
5491
5492         if (os_strcmp(cmd, "bonjour") == 0)
5493                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
5494         if (os_strcmp(cmd, "upnp") == 0)
5495                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
5496         if (os_strcmp(cmd, "asp") == 0)
5497                 return p2p_ctrl_service_del_asp(wpa_s, pos);
5498         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5499         return -1;
5500 }
5501
5502
5503 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
5504 {
5505         char *pos;
5506
5507         pos = os_strchr(cmd, ' ');
5508         if (pos == NULL)
5509                 return -1;
5510         *pos++ = '\0';
5511
5512         if (os_strcmp(cmd, "asp") == 0)
5513                 return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
5514
5515         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5516         return -1;
5517 }
5518
5519
5520 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
5521 {
5522         u8 addr[ETH_ALEN];
5523
5524         /* <addr> */
5525
5526         if (hwaddr_aton(cmd, addr))
5527                 return -1;
5528
5529         return wpas_p2p_reject(wpa_s, addr);
5530 }
5531
5532
5533 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
5534 {
5535         char *pos;
5536         int id;
5537         struct wpa_ssid *ssid;
5538         u8 *_peer = NULL, peer[ETH_ALEN];
5539         int freq = 0, pref_freq = 0;
5540         int ht40, vht;
5541
5542         id = atoi(cmd);
5543         pos = os_strstr(cmd, " peer=");
5544         if (pos) {
5545                 pos += 6;
5546                 if (hwaddr_aton(pos, peer))
5547                         return -1;
5548                 _peer = peer;
5549         }
5550         ssid = wpa_config_get_network(wpa_s->conf, id);
5551         if (ssid == NULL || ssid->disabled != 2) {
5552                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5553                            "for persistent P2P group",
5554                            id);
5555                 return -1;
5556         }
5557
5558         pos = os_strstr(cmd, " freq=");
5559         if (pos) {
5560                 pos += 6;
5561                 freq = atoi(pos);
5562                 if (freq <= 0)
5563                         return -1;
5564         }
5565
5566         pos = os_strstr(cmd, " pref=");
5567         if (pos) {
5568                 pos += 6;
5569                 pref_freq = atoi(pos);
5570                 if (pref_freq <= 0)
5571                         return -1;
5572         }
5573
5574         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5575         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5576                 vht;
5577
5578         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
5579                                pref_freq);
5580 }
5581
5582
5583 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
5584 {
5585         char *pos;
5586         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
5587
5588         pos = os_strstr(cmd, " peer=");
5589         if (!pos)
5590                 return -1;
5591
5592         *pos = '\0';
5593         pos += 6;
5594         if (hwaddr_aton(pos, peer)) {
5595                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
5596                 return -1;
5597         }
5598
5599         pos = os_strstr(pos, " go_dev_addr=");
5600         if (pos) {
5601                 pos += 13;
5602                 if (hwaddr_aton(pos, go_dev_addr)) {
5603                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
5604                                    pos);
5605                         return -1;
5606                 }
5607                 go_dev = go_dev_addr;
5608         }
5609
5610         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
5611 }
5612
5613
5614 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
5615 {
5616         if (os_strncmp(cmd, "persistent=", 11) == 0)
5617                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
5618         if (os_strncmp(cmd, "group=", 6) == 0)
5619                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
5620
5621         return -1;
5622 }
5623
5624
5625 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
5626                                          int id, int freq, int ht40, int vht)
5627 {
5628         struct wpa_ssid *ssid;
5629
5630         ssid = wpa_config_get_network(wpa_s->conf, id);
5631         if (ssid == NULL || ssid->disabled != 2) {
5632                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5633                            "for persistent P2P group",
5634                            id);
5635                 return -1;
5636         }
5637
5638         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
5639                                              NULL, 0);
5640 }
5641
5642
5643 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
5644 {
5645         int freq = 0, persistent = 0, group_id = -1;
5646         int vht = wpa_s->conf->p2p_go_vht;
5647         int ht40 = wpa_s->conf->p2p_go_ht40 || vht;
5648         char *token, *context = NULL;
5649
5650         while ((token = str_token(cmd, " ", &context))) {
5651                 if (sscanf(token, "freq=%d", &freq) == 1 ||
5652                     sscanf(token, "persistent=%d", &group_id) == 1) {
5653                         continue;
5654                 } else if (os_strcmp(token, "ht40") == 0) {
5655                         ht40 = 1;
5656                 } else if (os_strcmp(token, "vht") == 0) {
5657                         vht = 1;
5658                         ht40 = 1;
5659                 } else if (os_strcmp(token, "persistent") == 0) {
5660                         persistent = 1;
5661                 } else {
5662                         wpa_printf(MSG_DEBUG,
5663                                    "CTRL: Invalid P2P_GROUP_ADD parameter: '%s'",
5664                                    token);
5665                         return -1;
5666                 }
5667         }
5668
5669         if (group_id >= 0)
5670                 return p2p_ctrl_group_add_persistent(wpa_s, group_id,
5671                                                      freq, ht40, vht);
5672
5673         return wpas_p2p_group_add(wpa_s, persistent, freq, ht40, vht);
5674 }
5675
5676
5677 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
5678                          char *buf, size_t buflen)
5679 {
5680         u8 addr[ETH_ALEN], *addr_ptr;
5681         int next, res;
5682         const struct p2p_peer_info *info;
5683         char *pos, *end;
5684         char devtype[WPS_DEV_TYPE_BUFSIZE];
5685         struct wpa_ssid *ssid;
5686         size_t i;
5687
5688         if (!wpa_s->global->p2p)
5689                 return -1;
5690
5691         if (os_strcmp(cmd, "FIRST") == 0) {
5692                 addr_ptr = NULL;
5693                 next = 0;
5694         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5695                 if (hwaddr_aton(cmd + 5, addr) < 0)
5696                         return -1;
5697                 addr_ptr = addr;
5698                 next = 1;
5699         } else {
5700                 if (hwaddr_aton(cmd, addr) < 0)
5701                         return -1;
5702                 addr_ptr = addr;
5703                 next = 0;
5704         }
5705
5706         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
5707         if (info == NULL)
5708                 return -1;
5709
5710         pos = buf;
5711         end = buf + buflen;
5712
5713         res = os_snprintf(pos, end - pos, MACSTR "\n"
5714                           "pri_dev_type=%s\n"
5715                           "device_name=%s\n"
5716                           "manufacturer=%s\n"
5717                           "model_name=%s\n"
5718                           "model_number=%s\n"
5719                           "serial_number=%s\n"
5720                           "config_methods=0x%x\n"
5721                           "dev_capab=0x%x\n"
5722                           "group_capab=0x%x\n"
5723                           "level=%d\n",
5724                           MAC2STR(info->p2p_device_addr),
5725                           wps_dev_type_bin2str(info->pri_dev_type,
5726                                                devtype, sizeof(devtype)),
5727                           info->device_name,
5728                           info->manufacturer,
5729                           info->model_name,
5730                           info->model_number,
5731                           info->serial_number,
5732                           info->config_methods,
5733                           info->dev_capab,
5734                           info->group_capab,
5735                           info->level);
5736         if (os_snprintf_error(end - pos, res))
5737                 return pos - buf;
5738         pos += res;
5739
5740         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
5741         {
5742                 const u8 *t;
5743                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
5744                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
5745                                   wps_dev_type_bin2str(t, devtype,
5746                                                        sizeof(devtype)));
5747                 if (os_snprintf_error(end - pos, res))
5748                         return pos - buf;
5749                 pos += res;
5750         }
5751
5752         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
5753         if (ssid) {
5754                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
5755                 if (os_snprintf_error(end - pos, res))
5756                         return pos - buf;
5757                 pos += res;
5758         }
5759
5760         res = p2p_get_peer_info_txt(info, pos, end - pos);
5761         if (res < 0)
5762                 return pos - buf;
5763         pos += res;
5764
5765         if (info->vendor_elems) {
5766                 res = os_snprintf(pos, end - pos, "vendor_elems=");
5767                 if (os_snprintf_error(end - pos, res))
5768                         return pos - buf;
5769                 pos += res;
5770
5771                 pos += wpa_snprintf_hex(pos, end - pos,
5772                                         wpabuf_head(info->vendor_elems),
5773                                         wpabuf_len(info->vendor_elems));
5774
5775                 res = os_snprintf(pos, end - pos, "\n");
5776                 if (os_snprintf_error(end - pos, res))
5777                         return pos - buf;
5778                 pos += res;
5779         }
5780
5781         return pos - buf;
5782 }
5783
5784
5785 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
5786                                   const char *param)
5787 {
5788         unsigned int i;
5789
5790         if (wpa_s->global->p2p == NULL)
5791                 return -1;
5792
5793         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
5794                 return -1;
5795
5796         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
5797                 struct wpa_freq_range *freq;
5798                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
5799                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
5800                            freq->min, freq->max);
5801         }
5802
5803         wpas_p2p_update_channel_list(wpa_s);
5804         return 0;
5805 }
5806
5807
5808 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
5809 {
5810         char *param;
5811
5812         if (wpa_s->global->p2p == NULL)
5813                 return -1;
5814
5815         param = os_strchr(cmd, ' ');
5816         if (param == NULL)
5817                 return -1;
5818         *param++ = '\0';
5819
5820         if (os_strcmp(cmd, "discoverability") == 0) {
5821                 p2p_set_client_discoverability(wpa_s->global->p2p,
5822                                                atoi(param));
5823                 return 0;
5824         }
5825
5826         if (os_strcmp(cmd, "managed") == 0) {
5827                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5828                 return 0;
5829         }
5830
5831         if (os_strcmp(cmd, "listen_channel") == 0) {
5832                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
5833                                               atoi(param), 1);
5834         }
5835
5836         if (os_strcmp(cmd, "ssid_postfix") == 0) {
5837                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
5838                                             os_strlen(param));
5839         }
5840
5841         if (os_strcmp(cmd, "noa") == 0) {
5842                 char *pos;
5843                 int count, start, duration;
5844                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
5845                 count = atoi(param);
5846                 pos = os_strchr(param, ',');
5847                 if (pos == NULL)
5848                         return -1;
5849                 pos++;
5850                 start = atoi(pos);
5851                 pos = os_strchr(pos, ',');
5852                 if (pos == NULL)
5853                         return -1;
5854                 pos++;
5855                 duration = atoi(pos);
5856                 if (count < 0 || count > 255 || start < 0 || duration < 0)
5857                         return -1;
5858                 if (count == 0 && duration > 0)
5859                         return -1;
5860                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
5861                            "start=%d duration=%d", count, start, duration);
5862                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
5863         }
5864
5865         if (os_strcmp(cmd, "ps") == 0)
5866                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
5867
5868         if (os_strcmp(cmd, "oppps") == 0)
5869                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
5870
5871         if (os_strcmp(cmd, "ctwindow") == 0)
5872                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
5873
5874         if (os_strcmp(cmd, "disabled") == 0) {
5875                 wpa_s->global->p2p_disabled = atoi(param);
5876                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
5877                            wpa_s->global->p2p_disabled ?
5878                            "disabled" : "enabled");
5879                 if (wpa_s->global->p2p_disabled) {
5880                         wpas_p2p_stop_find(wpa_s);
5881                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5882                         p2p_flush(wpa_s->global->p2p);
5883                 }
5884                 return 0;
5885         }
5886
5887         if (os_strcmp(cmd, "conc_pref") == 0) {
5888                 if (os_strcmp(param, "sta") == 0)
5889                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
5890                 else if (os_strcmp(param, "p2p") == 0)
5891                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
5892                 else {
5893                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
5894                         return -1;
5895                 }
5896                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
5897                            "%s", param);
5898                 return 0;
5899         }
5900
5901         if (os_strcmp(cmd, "force_long_sd") == 0) {
5902                 wpa_s->force_long_sd = atoi(param);
5903                 return 0;
5904         }
5905
5906         if (os_strcmp(cmd, "peer_filter") == 0) {
5907                 u8 addr[ETH_ALEN];
5908                 if (hwaddr_aton(param, addr))
5909                         return -1;
5910                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
5911                 return 0;
5912         }
5913
5914         if (os_strcmp(cmd, "cross_connect") == 0)
5915                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
5916
5917         if (os_strcmp(cmd, "go_apsd") == 0) {
5918                 if (os_strcmp(param, "disable") == 0)
5919                         wpa_s->set_ap_uapsd = 0;
5920                 else {
5921                         wpa_s->set_ap_uapsd = 1;
5922                         wpa_s->ap_uapsd = atoi(param);
5923                 }
5924                 return 0;
5925         }
5926
5927         if (os_strcmp(cmd, "client_apsd") == 0) {
5928                 if (os_strcmp(param, "disable") == 0)
5929                         wpa_s->set_sta_uapsd = 0;
5930                 else {
5931                         int be, bk, vi, vo;
5932                         char *pos;
5933                         /* format: BE,BK,VI,VO;max SP Length */
5934                         be = atoi(param);
5935                         pos = os_strchr(param, ',');
5936                         if (pos == NULL)
5937                                 return -1;
5938                         pos++;
5939                         bk = atoi(pos);
5940                         pos = os_strchr(pos, ',');
5941                         if (pos == NULL)
5942                                 return -1;
5943                         pos++;
5944                         vi = atoi(pos);
5945                         pos = os_strchr(pos, ',');
5946                         if (pos == NULL)
5947                                 return -1;
5948                         pos++;
5949                         vo = atoi(pos);
5950                         /* ignore max SP Length for now */
5951
5952                         wpa_s->set_sta_uapsd = 1;
5953                         wpa_s->sta_uapsd = 0;
5954                         if (be)
5955                                 wpa_s->sta_uapsd |= BIT(0);
5956                         if (bk)
5957                                 wpa_s->sta_uapsd |= BIT(1);
5958                         if (vi)
5959                                 wpa_s->sta_uapsd |= BIT(2);
5960                         if (vo)
5961                                 wpa_s->sta_uapsd |= BIT(3);
5962                 }
5963                 return 0;
5964         }
5965
5966         if (os_strcmp(cmd, "disallow_freq") == 0)
5967                 return p2p_ctrl_disallow_freq(wpa_s, param);
5968
5969         if (os_strcmp(cmd, "disc_int") == 0) {
5970                 int min_disc_int, max_disc_int, max_disc_tu;
5971                 char *pos;
5972
5973                 pos = param;
5974
5975                 min_disc_int = atoi(pos);
5976                 pos = os_strchr(pos, ' ');
5977                 if (pos == NULL)
5978                         return -1;
5979                 *pos++ = '\0';
5980
5981                 max_disc_int = atoi(pos);
5982                 pos = os_strchr(pos, ' ');
5983                 if (pos == NULL)
5984                         return -1;
5985                 *pos++ = '\0';
5986
5987                 max_disc_tu = atoi(pos);
5988
5989                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
5990                                         max_disc_int, max_disc_tu);
5991         }
5992
5993         if (os_strcmp(cmd, "per_sta_psk") == 0) {
5994                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
5995                 return 0;
5996         }
5997
5998 #ifdef CONFIG_WPS_NFC
5999         if (os_strcmp(cmd, "nfc_tag") == 0)
6000                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
6001 #endif /* CONFIG_WPS_NFC */
6002
6003         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
6004                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
6005                 return 0;
6006         }
6007
6008         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
6009                    cmd);
6010
6011         return -1;
6012 }
6013
6014
6015 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
6016 {
6017         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
6018         wpa_s->force_long_sd = 0;
6019         wpas_p2p_stop_find(wpa_s);
6020         if (wpa_s->global->p2p)
6021                 p2p_flush(wpa_s->global->p2p);
6022 }
6023
6024
6025 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
6026 {
6027         char *pos, *pos2;
6028         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
6029
6030         if (cmd[0]) {
6031                 pos = os_strchr(cmd, ' ');
6032                 if (pos == NULL)
6033                         return -1;
6034                 *pos++ = '\0';
6035                 dur1 = atoi(cmd);
6036
6037                 pos2 = os_strchr(pos, ' ');
6038                 if (pos2)
6039                         *pos2++ = '\0';
6040                 int1 = atoi(pos);
6041         } else
6042                 pos2 = NULL;
6043
6044         if (pos2) {
6045                 pos = os_strchr(pos2, ' ');
6046                 if (pos == NULL)
6047                         return -1;
6048                 *pos++ = '\0';
6049                 dur2 = atoi(pos2);
6050                 int2 = atoi(pos);
6051         }
6052
6053         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
6054 }
6055
6056
6057 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
6058 {
6059         char *pos;
6060         unsigned int period = 0, interval = 0;
6061
6062         if (cmd[0]) {
6063                 pos = os_strchr(cmd, ' ');
6064                 if (pos == NULL)
6065                         return -1;
6066                 *pos++ = '\0';
6067                 period = atoi(cmd);
6068                 interval = atoi(pos);
6069         }
6070
6071         return wpas_p2p_ext_listen(wpa_s, period, interval);
6072 }
6073
6074
6075 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
6076 {
6077         const char *pos;
6078         u8 peer[ETH_ALEN];
6079         int iface_addr = 0;
6080
6081         pos = cmd;
6082         if (os_strncmp(pos, "iface=", 6) == 0) {
6083                 iface_addr = 1;
6084                 pos += 6;
6085         }
6086         if (hwaddr_aton(pos, peer))
6087                 return -1;
6088
6089         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
6090         return 0;
6091 }
6092
6093 #endif /* CONFIG_P2P */
6094
6095
6096 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
6097 {
6098         struct wpa_freq_range_list ranges;
6099         int *freqs = NULL;
6100         struct hostapd_hw_modes *mode;
6101         u16 i;
6102
6103         if (wpa_s->hw.modes == NULL)
6104                 return NULL;
6105
6106         os_memset(&ranges, 0, sizeof(ranges));
6107         if (freq_range_list_parse(&ranges, val) < 0)
6108                 return NULL;
6109
6110         for (i = 0; i < wpa_s->hw.num_modes; i++) {
6111                 int j;
6112
6113                 mode = &wpa_s->hw.modes[i];
6114                 for (j = 0; j < mode->num_channels; j++) {
6115                         unsigned int freq;
6116
6117                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
6118                                 continue;
6119
6120                         freq = mode->channels[j].freq;
6121                         if (!freq_range_list_includes(&ranges, freq))
6122                                 continue;
6123
6124                         int_array_add_unique(&freqs, freq);
6125                 }
6126         }
6127
6128         os_free(ranges.range);
6129         return freqs;
6130 }
6131
6132
6133 #ifdef CONFIG_INTERWORKING
6134
6135 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
6136 {
6137         int auto_sel = 0;
6138         int *freqs = NULL;
6139
6140         if (param) {
6141                 char *pos;
6142
6143                 auto_sel = os_strstr(param, "auto") != NULL;
6144
6145                 pos = os_strstr(param, "freq=");
6146                 if (pos) {
6147                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
6148                         if (freqs == NULL)
6149                                 return -1;
6150                 }
6151
6152         }
6153
6154         return interworking_select(wpa_s, auto_sel, freqs);
6155 }
6156
6157
6158 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
6159                                      int only_add)
6160 {
6161         u8 bssid[ETH_ALEN];
6162         struct wpa_bss *bss;
6163
6164         if (hwaddr_aton(dst, bssid)) {
6165                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
6166                 return -1;
6167         }
6168
6169         bss = wpa_bss_get_bssid(wpa_s, bssid);
6170         if (bss == NULL) {
6171                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
6172                            MAC2STR(bssid));
6173                 return -1;
6174         }
6175
6176         if (bss->ssid_len == 0) {
6177                 int found = 0;
6178
6179                 wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
6180                            " does not have SSID information", MAC2STR(bssid));
6181
6182                 dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
6183                                          list) {
6184                         if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
6185                             bss->ssid_len > 0) {
6186                                 found = 1;
6187                                 break;
6188                         }
6189                 }
6190
6191                 if (!found)
6192                         return -1;
6193                 wpa_printf(MSG_DEBUG,
6194                            "Found another matching BSS entry with SSID");
6195         }
6196
6197         return interworking_connect(wpa_s, bss, only_add);
6198 }
6199
6200
6201 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
6202 {
6203         u8 dst_addr[ETH_ALEN];
6204         int used;
6205         char *pos;
6206 #define MAX_ANQP_INFO_ID 100
6207         u16 id[MAX_ANQP_INFO_ID];
6208         size_t num_id = 0;
6209         u32 subtypes = 0;
6210
6211         used = hwaddr_aton2(dst, dst_addr);
6212         if (used < 0)
6213                 return -1;
6214         pos = dst + used;
6215         if (*pos == ' ')
6216                 pos++;
6217         while (num_id < MAX_ANQP_INFO_ID) {
6218                 if (os_strncmp(pos, "hs20:", 5) == 0) {
6219 #ifdef CONFIG_HS20
6220                         int num = atoi(pos + 5);
6221                         if (num <= 0 || num > 31)
6222                                 return -1;
6223                         subtypes |= BIT(num);
6224 #else /* CONFIG_HS20 */
6225                         return -1;
6226 #endif /* CONFIG_HS20 */
6227                 } else {
6228                         id[num_id] = atoi(pos);
6229                         if (id[num_id])
6230                                 num_id++;
6231                 }
6232                 pos = os_strchr(pos + 1, ',');
6233                 if (pos == NULL)
6234                         break;
6235                 pos++;
6236         }
6237
6238         if (num_id == 0)
6239                 return -1;
6240
6241         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
6242 }
6243
6244
6245 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
6246 {
6247         u8 dst_addr[ETH_ALEN];
6248         struct wpabuf *advproto, *query = NULL;
6249         int used, ret = -1;
6250         char *pos, *end;
6251         size_t len;
6252
6253         used = hwaddr_aton2(cmd, dst_addr);
6254         if (used < 0)
6255                 return -1;
6256
6257         pos = cmd + used;
6258         while (*pos == ' ')
6259                 pos++;
6260
6261         /* Advertisement Protocol ID */
6262         end = os_strchr(pos, ' ');
6263         if (end)
6264                 len = end - pos;
6265         else
6266                 len = os_strlen(pos);
6267         if (len & 0x01)
6268                 return -1;
6269         len /= 2;
6270         if (len == 0)
6271                 return -1;
6272         advproto = wpabuf_alloc(len);
6273         if (advproto == NULL)
6274                 return -1;
6275         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
6276                 goto fail;
6277
6278         if (end) {
6279                 /* Optional Query Request */
6280                 pos = end + 1;
6281                 while (*pos == ' ')
6282                         pos++;
6283
6284                 len = os_strlen(pos);
6285                 if (len) {
6286                         if (len & 0x01)
6287                                 goto fail;
6288                         len /= 2;
6289                         if (len == 0)
6290                                 goto fail;
6291                         query = wpabuf_alloc(len);
6292                         if (query == NULL)
6293                                 goto fail;
6294                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
6295                                 goto fail;
6296                 }
6297         }
6298
6299         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
6300
6301 fail:
6302         wpabuf_free(advproto);
6303         wpabuf_free(query);
6304
6305         return ret;
6306 }
6307
6308
6309 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
6310                             size_t buflen)
6311 {
6312         u8 addr[ETH_ALEN];
6313         int dialog_token;
6314         int used;
6315         char *pos;
6316         size_t resp_len, start, requested_len;
6317         struct wpabuf *resp;
6318         int ret;
6319
6320         used = hwaddr_aton2(cmd, addr);
6321         if (used < 0)
6322                 return -1;
6323
6324         pos = cmd + used;
6325         while (*pos == ' ')
6326                 pos++;
6327         dialog_token = atoi(pos);
6328
6329         if (wpa_s->last_gas_resp &&
6330             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
6331             dialog_token == wpa_s->last_gas_dialog_token)
6332                 resp = wpa_s->last_gas_resp;
6333         else if (wpa_s->prev_gas_resp &&
6334                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
6335                  dialog_token == wpa_s->prev_gas_dialog_token)
6336                 resp = wpa_s->prev_gas_resp;
6337         else
6338                 return -1;
6339
6340         resp_len = wpabuf_len(resp);
6341         start = 0;
6342         requested_len = resp_len;
6343
6344         pos = os_strchr(pos, ' ');
6345         if (pos) {
6346                 start = atoi(pos);
6347                 if (start > resp_len)
6348                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6349                 pos = os_strchr(pos, ',');
6350                 if (pos == NULL)
6351                         return -1;
6352                 pos++;
6353                 requested_len = atoi(pos);
6354                 if (start + requested_len > resp_len)
6355                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6356         }
6357
6358         if (requested_len * 2 + 1 > buflen)
6359                 return os_snprintf(buf, buflen, "FAIL-Too long response");
6360
6361         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
6362                                requested_len);
6363
6364         if (start + requested_len == resp_len) {
6365                 /*
6366                  * Free memory by dropping the response after it has been
6367                  * fetched.
6368                  */
6369                 if (resp == wpa_s->prev_gas_resp) {
6370                         wpabuf_free(wpa_s->prev_gas_resp);
6371                         wpa_s->prev_gas_resp = NULL;
6372                 } else {
6373                         wpabuf_free(wpa_s->last_gas_resp);
6374                         wpa_s->last_gas_resp = NULL;
6375                 }
6376         }
6377
6378         return ret;
6379 }
6380 #endif /* CONFIG_INTERWORKING */
6381
6382
6383 #ifdef CONFIG_HS20
6384
6385 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
6386 {
6387         u8 dst_addr[ETH_ALEN];
6388         int used;
6389         char *pos;
6390         u32 subtypes = 0;
6391
6392         used = hwaddr_aton2(dst, dst_addr);
6393         if (used < 0)
6394                 return -1;
6395         pos = dst + used;
6396         if (*pos == ' ')
6397                 pos++;
6398         for (;;) {
6399                 int num = atoi(pos);
6400                 if (num <= 0 || num > 31)
6401                         return -1;
6402                 subtypes |= BIT(num);
6403                 pos = os_strchr(pos + 1, ',');
6404                 if (pos == NULL)
6405                         break;
6406                 pos++;
6407         }
6408
6409         if (subtypes == 0)
6410                 return -1;
6411
6412         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
6413 }
6414
6415
6416 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6417                                     const u8 *addr, const char *realm)
6418 {
6419         u8 *buf;
6420         size_t rlen, len;
6421         int ret;
6422
6423         rlen = os_strlen(realm);
6424         len = 3 + rlen;
6425         buf = os_malloc(len);
6426         if (buf == NULL)
6427                 return -1;
6428         buf[0] = 1; /* NAI Home Realm Count */
6429         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
6430         buf[2] = rlen;
6431         os_memcpy(buf + 3, realm, rlen);
6432
6433         ret = hs20_anqp_send_req(wpa_s, addr,
6434                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6435                                  buf, len);
6436
6437         os_free(buf);
6438
6439         return ret;
6440 }
6441
6442
6443 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6444                                         char *dst)
6445 {
6446         struct wpa_cred *cred = wpa_s->conf->cred;
6447         u8 dst_addr[ETH_ALEN];
6448         int used;
6449         u8 *buf;
6450         size_t len;
6451         int ret;
6452
6453         used = hwaddr_aton2(dst, dst_addr);
6454         if (used < 0)
6455                 return -1;
6456
6457         while (dst[used] == ' ')
6458                 used++;
6459         if (os_strncmp(dst + used, "realm=", 6) == 0)
6460                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
6461                                                 dst + used + 6);
6462
6463         len = os_strlen(dst + used);
6464
6465         if (len == 0 && cred && cred->realm)
6466                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
6467
6468         if (len & 1)
6469                 return -1;
6470         len /= 2;
6471         buf = os_malloc(len);
6472         if (buf == NULL)
6473                 return -1;
6474         if (hexstr2bin(dst + used, buf, len) < 0) {
6475                 os_free(buf);
6476                 return -1;
6477         }
6478
6479         ret = hs20_anqp_send_req(wpa_s, dst_addr,
6480                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6481                                  buf, len);
6482         os_free(buf);
6483
6484         return ret;
6485 }
6486
6487
6488 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
6489 {
6490         u8 dst_addr[ETH_ALEN];
6491         int used;
6492         char *icon;
6493
6494         used = hwaddr_aton2(cmd, dst_addr);
6495         if (used < 0)
6496                 return -1;
6497
6498         while (cmd[used] == ' ')
6499                 used++;
6500         icon = &cmd[used];
6501
6502         wpa_s->fetch_osu_icon_in_progress = 0;
6503         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
6504                                   (u8 *) icon, os_strlen(icon));
6505 }
6506
6507 #endif /* CONFIG_HS20 */
6508
6509
6510 #ifdef CONFIG_AUTOSCAN
6511
6512 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
6513                                               char *cmd)
6514 {
6515         enum wpa_states state = wpa_s->wpa_state;
6516         char *new_params = NULL;
6517
6518         if (os_strlen(cmd) > 0) {
6519                 new_params = os_strdup(cmd);
6520                 if (new_params == NULL)
6521                         return -1;
6522         }
6523
6524         os_free(wpa_s->conf->autoscan);
6525         wpa_s->conf->autoscan = new_params;
6526
6527         if (wpa_s->conf->autoscan == NULL)
6528                 autoscan_deinit(wpa_s);
6529         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
6530                 autoscan_init(wpa_s, 1);
6531         else if (state == WPA_SCANNING)
6532                 wpa_supplicant_reinit_autoscan(wpa_s);
6533
6534         return 0;
6535 }
6536
6537 #endif /* CONFIG_AUTOSCAN */
6538
6539
6540 #ifdef CONFIG_WNM
6541
6542 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
6543 {
6544         int enter;
6545         int intval = 0;
6546         char *pos;
6547         int ret;
6548         struct wpabuf *tfs_req = NULL;
6549
6550         if (os_strncmp(cmd, "enter", 5) == 0)
6551                 enter = 1;
6552         else if (os_strncmp(cmd, "exit", 4) == 0)
6553                 enter = 0;
6554         else
6555                 return -1;
6556
6557         pos = os_strstr(cmd, " interval=");
6558         if (pos)
6559                 intval = atoi(pos + 10);
6560
6561         pos = os_strstr(cmd, " tfs_req=");
6562         if (pos) {
6563                 char *end;
6564                 size_t len;
6565                 pos += 9;
6566                 end = os_strchr(pos, ' ');
6567                 if (end)
6568                         len = end - pos;
6569                 else
6570                         len = os_strlen(pos);
6571                 if (len & 1)
6572                         return -1;
6573                 len /= 2;
6574                 tfs_req = wpabuf_alloc(len);
6575                 if (tfs_req == NULL)
6576                         return -1;
6577                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
6578                         wpabuf_free(tfs_req);
6579                         return -1;
6580                 }
6581         }
6582
6583         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
6584                                            WNM_SLEEP_MODE_EXIT, intval,
6585                                            tfs_req);
6586         wpabuf_free(tfs_req);
6587
6588         return ret;
6589 }
6590
6591
6592 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
6593 {
6594         int query_reason;
6595
6596         query_reason = atoi(cmd);
6597
6598         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
6599                    query_reason);
6600
6601         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
6602 }
6603
6604 #endif /* CONFIG_WNM */
6605
6606
6607 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
6608                                       size_t buflen)
6609 {
6610         struct wpa_signal_info si;
6611         int ret;
6612         char *pos, *end;
6613
6614         ret = wpa_drv_signal_poll(wpa_s, &si);
6615         if (ret)
6616                 return -1;
6617
6618         pos = buf;
6619         end = buf + buflen;
6620
6621         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
6622                           "NOISE=%d\nFREQUENCY=%u\n",
6623                           si.current_signal, si.current_txrate / 1000,
6624                           si.current_noise, si.frequency);
6625         if (os_snprintf_error(end - pos, ret))
6626                 return -1;
6627         pos += ret;
6628
6629         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
6630                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
6631                                   channel_width_to_string(si.chanwidth));
6632                 if (os_snprintf_error(end - pos, ret))
6633                         return -1;
6634                 pos += ret;
6635         }
6636
6637         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
6638                 ret = os_snprintf(pos, end - pos,
6639                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
6640                                   si.center_frq1, si.center_frq2);
6641                 if (os_snprintf_error(end - pos, ret))
6642                         return -1;
6643                 pos += ret;
6644         }
6645
6646         if (si.avg_signal) {
6647                 ret = os_snprintf(pos, end - pos,
6648                                   "AVG_RSSI=%d\n", si.avg_signal);
6649                 if (os_snprintf_error(end - pos, ret))
6650                         return -1;
6651                 pos += ret;
6652         }
6653
6654         if (si.avg_beacon_signal) {
6655                 ret = os_snprintf(pos, end - pos,
6656                                   "AVG_BEACON_RSSI=%d\n", si.avg_beacon_signal);
6657                 if (os_snprintf_error(end - pos, ret))
6658                         return -1;
6659                 pos += ret;
6660         }
6661
6662         return pos - buf;
6663 }
6664
6665
6666 static int wpas_ctrl_iface_get_pref_freq_list(
6667         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
6668 {
6669         unsigned int freq_list[100], num = 100, i;
6670         int ret;
6671         enum wpa_driver_if_type iface_type;
6672         char *pos, *end;
6673
6674         pos = buf;
6675         end = buf + buflen;
6676
6677         /* buf: "<interface_type>" */
6678         if (os_strcmp(cmd, "STATION") == 0)
6679                 iface_type = WPA_IF_STATION;
6680         else if (os_strcmp(cmd, "AP") == 0)
6681                 iface_type = WPA_IF_AP_BSS;
6682         else if (os_strcmp(cmd, "P2P_GO") == 0)
6683                 iface_type = WPA_IF_P2P_GO;
6684         else if (os_strcmp(cmd, "P2P_CLIENT") == 0)
6685                 iface_type = WPA_IF_P2P_CLIENT;
6686         else if (os_strcmp(cmd, "IBSS") == 0)
6687                 iface_type = WPA_IF_IBSS;
6688         else if (os_strcmp(cmd, "TDLS") == 0)
6689                 iface_type = WPA_IF_TDLS;
6690         else
6691                 return -1;
6692
6693         wpa_printf(MSG_DEBUG,
6694                    "CTRL_IFACE: GET_PREF_FREQ_LIST iface_type=%d (%s)",
6695                    iface_type, buf);
6696
6697         ret = wpa_drv_get_pref_freq_list(wpa_s, iface_type, &num, freq_list);
6698         if (ret)
6699                 return -1;
6700
6701         for (i = 0; i < num; i++) {
6702                 ret = os_snprintf(pos, end - pos, "%s%u",
6703                                   i > 0 ? "," : "", freq_list[i]);
6704                 if (os_snprintf_error(end - pos, ret))
6705                         return -1;
6706                 pos += ret;
6707         }
6708
6709         return pos - buf;
6710 }
6711
6712
6713 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
6714                                       size_t buflen)
6715 {
6716         struct hostap_sta_driver_data sta;
6717         int ret;
6718
6719         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
6720         if (ret)
6721                 return -1;
6722
6723         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
6724                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
6725         if (os_snprintf_error(buflen, ret))
6726                 return -1;
6727         return ret;
6728 }
6729
6730
6731 #ifdef ANDROID
6732 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6733                                      char *buf, size_t buflen)
6734 {
6735         int ret;
6736
6737         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
6738         if (ret == 0) {
6739                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
6740                         struct p2p_data *p2p = wpa_s->global->p2p;
6741                         if (p2p) {
6742                                 char country[3];
6743                                 country[0] = cmd[8];
6744                                 country[1] = cmd[9];
6745                                 country[2] = 0x04;
6746                                 p2p_set_country(p2p, country);
6747                         }
6748                 }
6749                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
6750                 if (os_snprintf_error(buflen, ret))
6751                         ret = -1;
6752         }
6753         return ret;
6754 }
6755 #endif /* ANDROID */
6756
6757
6758 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6759                                      char *buf, size_t buflen)
6760 {
6761         int ret;
6762         char *pos;
6763         u8 *data = NULL;
6764         unsigned int vendor_id, subcmd;
6765         struct wpabuf *reply;
6766         size_t data_len = 0;
6767
6768         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
6769         vendor_id = strtoul(cmd, &pos, 16);
6770         if (!isblank(*pos))
6771                 return -EINVAL;
6772
6773         subcmd = strtoul(pos, &pos, 10);
6774
6775         if (*pos != '\0') {
6776                 if (!isblank(*pos++))
6777                         return -EINVAL;
6778                 data_len = os_strlen(pos);
6779         }
6780
6781         if (data_len) {
6782                 data_len /= 2;
6783                 data = os_malloc(data_len);
6784                 if (!data)
6785                         return -1;
6786
6787                 if (hexstr2bin(pos, data, data_len)) {
6788                         wpa_printf(MSG_DEBUG,
6789                                    "Vendor command: wrong parameter format");
6790                         os_free(data);
6791                         return -EINVAL;
6792                 }
6793         }
6794
6795         reply = wpabuf_alloc((buflen - 1) / 2);
6796         if (!reply) {
6797                 os_free(data);
6798                 return -1;
6799         }
6800
6801         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
6802                                  reply);
6803
6804         if (ret == 0)
6805                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
6806                                        wpabuf_len(reply));
6807
6808         wpabuf_free(reply);
6809         os_free(data);
6810
6811         return ret;
6812 }
6813
6814
6815 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
6816 {
6817 #ifdef CONFIG_P2P
6818         struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
6819                 wpa_s->global->p2p_init_wpa_s : wpa_s;
6820 #endif /* CONFIG_P2P */
6821
6822         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
6823
6824 #ifdef CONFIG_P2P
6825         wpas_p2p_cancel(p2p_wpa_s);
6826         p2p_ctrl_flush(p2p_wpa_s);
6827         wpas_p2p_group_remove(p2p_wpa_s, "*");
6828         wpas_p2p_service_flush(p2p_wpa_s);
6829         p2p_wpa_s->global->p2p_disabled = 0;
6830         p2p_wpa_s->global->p2p_per_sta_psk = 0;
6831         p2p_wpa_s->conf->num_sec_device_types = 0;
6832         p2p_wpa_s->p2p_disable_ip_addr_req = 0;
6833         os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
6834         p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
6835         p2p_wpa_s->global->pending_p2ps_group = 0;
6836 #endif /* CONFIG_P2P */
6837
6838 #ifdef CONFIG_WPS_TESTING
6839         wps_version_number = 0x20;
6840         wps_testing_dummy_cred = 0;
6841         wps_corrupt_pkhash = 0;
6842 #endif /* CONFIG_WPS_TESTING */
6843 #ifdef CONFIG_WPS
6844         wpa_s->wps_fragment_size = 0;
6845         wpas_wps_cancel(wpa_s);
6846         wps_registrar_flush(wpa_s->wps->registrar);
6847 #endif /* CONFIG_WPS */
6848         wpa_s->after_wps = 0;
6849         wpa_s->known_wps_freq = 0;
6850
6851 #ifdef CONFIG_TDLS
6852 #ifdef CONFIG_TDLS_TESTING
6853         extern unsigned int tdls_testing;
6854         tdls_testing = 0;
6855 #endif /* CONFIG_TDLS_TESTING */
6856         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
6857         wpa_tdls_enable(wpa_s->wpa, 1);
6858 #endif /* CONFIG_TDLS */
6859
6860         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
6861         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
6862
6863         wpa_s->no_keep_alive = 0;
6864         wpa_s->own_disconnect_req = 0;
6865
6866         os_free(wpa_s->disallow_aps_bssid);
6867         wpa_s->disallow_aps_bssid = NULL;
6868         wpa_s->disallow_aps_bssid_count = 0;
6869         os_free(wpa_s->disallow_aps_ssid);
6870         wpa_s->disallow_aps_ssid = NULL;
6871         wpa_s->disallow_aps_ssid_count = 0;
6872
6873         wpa_s->set_sta_uapsd = 0;
6874         wpa_s->sta_uapsd = 0;
6875
6876         wpa_drv_radio_disable(wpa_s, 0);
6877         wpa_blacklist_clear(wpa_s);
6878         wpa_s->extra_blacklist_count = 0;
6879         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
6880         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
6881         wpa_config_flush_blobs(wpa_s->conf);
6882         wpa_s->conf->auto_interworking = 0;
6883         wpa_s->conf->okc = 0;
6884
6885         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
6886         rsn_preauth_deinit(wpa_s->wpa);
6887
6888         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
6889         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
6890         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
6891         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
6892
6893         radio_remove_works(wpa_s, NULL, 1);
6894         wpa_s->ext_work_in_progress = 0;
6895
6896         wpa_s->next_ssid = NULL;
6897
6898 #ifdef CONFIG_INTERWORKING
6899         hs20_cancel_fetch_osu(wpa_s);
6900 #endif /* CONFIG_INTERWORKING */
6901
6902         wpa_s->ext_mgmt_frame_handling = 0;
6903         wpa_s->ext_eapol_frame_io = 0;
6904 #ifdef CONFIG_TESTING_OPTIONS
6905         wpa_s->extra_roc_dur = 0;
6906         wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
6907 #endif /* CONFIG_TESTING_OPTIONS */
6908
6909         wpa_s->disconnected = 0;
6910         os_free(wpa_s->next_scan_freqs);
6911         wpa_s->next_scan_freqs = NULL;
6912
6913         wpa_bss_flush(wpa_s);
6914         if (!dl_list_empty(&wpa_s->bss)) {
6915                 wpa_printf(MSG_DEBUG,
6916                            "BSS table not empty after flush: %u entries, current_bss=%p bssid="
6917                            MACSTR " pending_bssid=" MACSTR,
6918                            dl_list_len(&wpa_s->bss), wpa_s->current_bss,
6919                            MAC2STR(wpa_s->bssid),
6920                            MAC2STR(wpa_s->pending_bssid));
6921         }
6922
6923         eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
6924 }
6925
6926
6927 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
6928                                      char *buf, size_t buflen)
6929 {
6930         struct wpa_radio_work *work;
6931         char *pos, *end;
6932         struct os_reltime now, diff;
6933
6934         pos = buf;
6935         end = buf + buflen;
6936
6937         os_get_reltime(&now);
6938
6939         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6940         {
6941                 int ret;
6942
6943                 os_reltime_sub(&now, &work->time, &diff);
6944                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
6945                                   work->type, work->wpa_s->ifname, work->freq,
6946                                   work->started, diff.sec, diff.usec);
6947                 if (os_snprintf_error(end - pos, ret))
6948                         break;
6949                 pos += ret;
6950         }
6951
6952         return pos - buf;
6953 }
6954
6955
6956 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
6957 {
6958         struct wpa_radio_work *work = eloop_ctx;
6959         struct wpa_external_work *ework = work->ctx;
6960
6961         wpa_dbg(work->wpa_s, MSG_DEBUG,
6962                 "Timing out external radio work %u (%s)",
6963                 ework->id, work->type);
6964         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
6965         work->wpa_s->ext_work_in_progress = 0;
6966         radio_work_done(work);
6967         os_free(ework);
6968 }
6969
6970
6971 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
6972 {
6973         struct wpa_external_work *ework = work->ctx;
6974
6975         if (deinit) {
6976                 if (work->started)
6977                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6978                                              work, NULL);
6979
6980                 os_free(ework);
6981                 return;
6982         }
6983
6984         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
6985                 ework->id, ework->type);
6986         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
6987         work->wpa_s->ext_work_in_progress = 1;
6988         if (!ework->timeout)
6989                 ework->timeout = 10;
6990         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
6991                                work, NULL);
6992 }
6993
6994
6995 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
6996                                     char *buf, size_t buflen)
6997 {
6998         struct wpa_external_work *ework;
6999         char *pos, *pos2;
7000         size_t type_len;
7001         int ret;
7002         unsigned int freq = 0;
7003
7004         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
7005
7006         ework = os_zalloc(sizeof(*ework));
7007         if (ework == NULL)
7008                 return -1;
7009
7010         pos = os_strchr(cmd, ' ');
7011         if (pos) {
7012                 type_len = pos - cmd;
7013                 pos++;
7014
7015                 pos2 = os_strstr(pos, "freq=");
7016                 if (pos2)
7017                         freq = atoi(pos2 + 5);
7018
7019                 pos2 = os_strstr(pos, "timeout=");
7020                 if (pos2)
7021                         ework->timeout = atoi(pos2 + 8);
7022         } else {
7023                 type_len = os_strlen(cmd);
7024         }
7025         if (4 + type_len >= sizeof(ework->type))
7026                 type_len = sizeof(ework->type) - 4 - 1;
7027         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
7028         os_memcpy(ework->type + 4, cmd, type_len);
7029         ework->type[4 + type_len] = '\0';
7030
7031         wpa_s->ext_work_id++;
7032         if (wpa_s->ext_work_id == 0)
7033                 wpa_s->ext_work_id++;
7034         ework->id = wpa_s->ext_work_id;
7035
7036         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
7037                            ework) < 0) {
7038                 os_free(ework);
7039                 return -1;
7040         }
7041
7042         ret = os_snprintf(buf, buflen, "%u", ework->id);
7043         if (os_snprintf_error(buflen, ret))
7044                 return -1;
7045         return ret;
7046 }
7047
7048
7049 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
7050 {
7051         struct wpa_radio_work *work;
7052         unsigned int id = atoi(cmd);
7053
7054         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
7055         {
7056                 struct wpa_external_work *ework;
7057
7058                 if (os_strncmp(work->type, "ext:", 4) != 0)
7059                         continue;
7060                 ework = work->ctx;
7061                 if (id && ework->id != id)
7062                         continue;
7063                 wpa_dbg(wpa_s, MSG_DEBUG,
7064                         "Completed external radio work %u (%s)",
7065                         ework->id, ework->type);
7066                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
7067                 wpa_s->ext_work_in_progress = 0;
7068                 radio_work_done(work);
7069                 os_free(ework);
7070                 return 3; /* "OK\n" */
7071         }
7072
7073         return -1;
7074 }
7075
7076
7077 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
7078                                 char *buf, size_t buflen)
7079 {
7080         if (os_strcmp(cmd, "show") == 0)
7081                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
7082         if (os_strncmp(cmd, "add ", 4) == 0)
7083                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
7084         if (os_strncmp(cmd, "done ", 5) == 0)
7085                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
7086         return -1;
7087 }
7088
7089
7090 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
7091 {
7092         struct wpa_radio_work *work, *tmp;
7093
7094         if (!wpa_s || !wpa_s->radio)
7095                 return;
7096
7097         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
7098                               struct wpa_radio_work, list) {
7099                 struct wpa_external_work *ework;
7100
7101                 if (os_strncmp(work->type, "ext:", 4) != 0)
7102                         continue;
7103                 ework = work->ctx;
7104                 wpa_dbg(wpa_s, MSG_DEBUG,
7105                         "Flushing%s external radio work %u (%s)",
7106                         work->started ? " started" : "", ework->id,
7107                         ework->type);
7108                 if (work->started)
7109                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
7110                                              work, NULL);
7111                 radio_work_done(work);
7112                 os_free(ework);
7113         }
7114 }
7115
7116
7117 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
7118 {
7119         struct wpa_supplicant *wpa_s = eloop_ctx;
7120         eapol_sm_notify_ctrl_response(wpa_s->eapol);
7121 }
7122
7123
7124 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
7125                               unsigned int *scan_id_count, int scan_id[])
7126 {
7127         const char *pos = value;
7128
7129         while (pos) {
7130                 if (*pos == ' ' || *pos == '\0')
7131                         break;
7132                 if (*scan_id_count == MAX_SCAN_ID)
7133                         return -1;
7134                 scan_id[(*scan_id_count)++] = atoi(pos);
7135                 pos = os_strchr(pos, ',');
7136                 if (pos)
7137                         pos++;
7138         }
7139
7140         return 0;
7141 }
7142
7143
7144 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
7145                            char *reply, int reply_size, int *reply_len)
7146 {
7147         char *pos;
7148         unsigned int manual_scan_passive = 0;
7149         unsigned int manual_scan_use_id = 0;
7150         unsigned int manual_scan_only_new = 0;
7151         unsigned int scan_only = 0;
7152         unsigned int scan_id_count = 0;
7153         int scan_id[MAX_SCAN_ID];
7154         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
7155                                  struct wpa_scan_results *scan_res);
7156         int *manual_scan_freqs = NULL;
7157         struct wpa_ssid_value *ssid = NULL, *ns;
7158         unsigned int ssid_count = 0;
7159
7160         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
7161                 *reply_len = -1;
7162                 return;
7163         }
7164
7165         if (radio_work_pending(wpa_s, "scan")) {
7166                 wpa_printf(MSG_DEBUG,
7167                            "Pending scan scheduled - reject new request");
7168                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7169                 return;
7170         }
7171
7172 #ifdef CONFIG_INTERWORKING
7173         if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) {
7174                 wpa_printf(MSG_DEBUG,
7175                            "Interworking select in progress - reject new scan");
7176                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7177                 return;
7178         }
7179 #endif /* CONFIG_INTERWORKING */
7180
7181         if (params) {
7182                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
7183                         scan_only = 1;
7184
7185                 pos = os_strstr(params, "freq=");
7186                 if (pos) {
7187                         manual_scan_freqs = freq_range_to_channel_list(wpa_s,
7188                                                                        pos + 5);
7189                         if (manual_scan_freqs == NULL) {
7190                                 *reply_len = -1;
7191                                 goto done;
7192                         }
7193                 }
7194
7195                 pos = os_strstr(params, "passive=");
7196                 if (pos)
7197                         manual_scan_passive = !!atoi(pos + 8);
7198
7199                 pos = os_strstr(params, "use_id=");
7200                 if (pos)
7201                         manual_scan_use_id = atoi(pos + 7);
7202
7203                 pos = os_strstr(params, "only_new=1");
7204                 if (pos)
7205                         manual_scan_only_new = 1;
7206
7207                 pos = os_strstr(params, "scan_id=");
7208                 if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
7209                                               scan_id) < 0) {
7210                         *reply_len = -1;
7211                         goto done;
7212                 }
7213
7214                 pos = params;
7215                 while (pos && *pos != '\0') {
7216                         if (os_strncmp(pos, "ssid ", 5) == 0) {
7217                                 char *end;
7218
7219                                 pos += 5;
7220                                 end = pos;
7221                                 while (*end) {
7222                                         if (*end == '\0' || *end == ' ')
7223                                                 break;
7224                                         end++;
7225                                 }
7226
7227                                 ns = os_realloc_array(
7228                                         ssid, ssid_count + 1,
7229                                         sizeof(struct wpa_ssid_value));
7230                                 if (ns == NULL) {
7231                                         *reply_len = -1;
7232                                         goto done;
7233                                 }
7234                                 ssid = ns;
7235
7236                                 if ((end - pos) & 0x01 ||
7237                                     end - pos > 2 * SSID_MAX_LEN ||
7238                                     hexstr2bin(pos, ssid[ssid_count].ssid,
7239                                                (end - pos) / 2) < 0) {
7240                                         wpa_printf(MSG_DEBUG,
7241                                                    "Invalid SSID value '%s'",
7242                                                    pos);
7243                                         *reply_len = -1;
7244                                         goto done;
7245                                 }
7246                                 ssid[ssid_count].ssid_len = (end - pos) / 2;
7247                                 wpa_hexdump_ascii(MSG_DEBUG, "scan SSID",
7248                                                   ssid[ssid_count].ssid,
7249                                                   ssid[ssid_count].ssid_len);
7250                                 ssid_count++;
7251                                 pos = end;
7252                         }
7253
7254                         pos = os_strchr(pos, ' ');
7255                         if (pos)
7256                                 pos++;
7257                 }
7258         }
7259
7260         wpa_s->num_ssids_from_scan_req = ssid_count;
7261         os_free(wpa_s->ssids_from_scan_req);
7262         if (ssid_count) {
7263                 wpa_s->ssids_from_scan_req = ssid;
7264                 ssid = NULL;
7265         } else {
7266                 wpa_s->ssids_from_scan_req = NULL;
7267         }
7268
7269         if (scan_only)
7270                 scan_res_handler = scan_only_handler;
7271         else if (wpa_s->scan_res_handler == scan_only_handler)
7272                 scan_res_handler = NULL;
7273         else
7274                 scan_res_handler = wpa_s->scan_res_handler;
7275
7276         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
7277             ((wpa_s->wpa_state <= WPA_SCANNING) ||
7278              (wpa_s->wpa_state == WPA_COMPLETED))) {
7279                 wpa_s->manual_scan_passive = manual_scan_passive;
7280                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7281                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7282                 wpa_s->scan_id_count = scan_id_count;
7283                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7284                 wpa_s->scan_res_handler = scan_res_handler;
7285                 os_free(wpa_s->manual_scan_freqs);
7286                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7287                 manual_scan_freqs = NULL;
7288
7289                 wpa_s->normal_scans = 0;
7290                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7291                 wpa_s->after_wps = 0;
7292                 wpa_s->known_wps_freq = 0;
7293                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7294                 if (wpa_s->manual_scan_use_id) {
7295                         wpa_s->manual_scan_id++;
7296                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7297                                 wpa_s->manual_scan_id);
7298                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7299                                                  wpa_s->manual_scan_id);
7300                 }
7301         } else if (wpa_s->sched_scanning) {
7302                 wpa_s->manual_scan_passive = manual_scan_passive;
7303                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7304                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7305                 wpa_s->scan_id_count = scan_id_count;
7306                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7307                 wpa_s->scan_res_handler = scan_res_handler;
7308                 os_free(wpa_s->manual_scan_freqs);
7309                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7310                 manual_scan_freqs = NULL;
7311
7312                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
7313                 wpa_supplicant_cancel_sched_scan(wpa_s);
7314                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7315                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7316                 if (wpa_s->manual_scan_use_id) {
7317                         wpa_s->manual_scan_id++;
7318                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7319                                                  wpa_s->manual_scan_id);
7320                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7321                                 wpa_s->manual_scan_id);
7322                 }
7323         } else {
7324                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
7325                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7326         }
7327
7328 done:
7329         os_free(manual_scan_freqs);
7330         os_free(ssid);
7331 }
7332
7333
7334 #ifdef CONFIG_TESTING_OPTIONS
7335
7336 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
7337                                        unsigned int freq, const u8 *dst,
7338                                        const u8 *src, const u8 *bssid,
7339                                        const u8 *data, size_t data_len,
7340                                        enum offchannel_send_action_result
7341                                        result)
7342 {
7343         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
7344                 " src=" MACSTR " bssid=" MACSTR " result=%s",
7345                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
7346                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
7347                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
7348                              "NO_ACK" : "FAILED"));
7349 }
7350
7351
7352 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
7353 {
7354         char *pos, *param;
7355         size_t len;
7356         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
7357         int res, used;
7358         int freq = 0, no_cck = 0, wait_time = 0;
7359
7360         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
7361          *    <action=Action frame payload> */
7362
7363         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
7364
7365         pos = cmd;
7366         used = hwaddr_aton2(pos, da);
7367         if (used < 0)
7368                 return -1;
7369         pos += used;
7370         while (*pos == ' ')
7371                 pos++;
7372         used = hwaddr_aton2(pos, bssid);
7373         if (used < 0)
7374                 return -1;
7375         pos += used;
7376
7377         param = os_strstr(pos, " freq=");
7378         if (param) {
7379                 param += 6;
7380                 freq = atoi(param);
7381         }
7382
7383         param = os_strstr(pos, " no_cck=");
7384         if (param) {
7385                 param += 8;
7386                 no_cck = atoi(param);
7387         }
7388
7389         param = os_strstr(pos, " wait_time=");
7390         if (param) {
7391                 param += 11;
7392                 wait_time = atoi(param);
7393         }
7394
7395         param = os_strstr(pos, " action=");
7396         if (param == NULL)
7397                 return -1;
7398         param += 8;
7399
7400         len = os_strlen(param);
7401         if (len & 1)
7402                 return -1;
7403         len /= 2;
7404
7405         buf = os_malloc(len);
7406         if (buf == NULL)
7407                 return -1;
7408
7409         if (hexstr2bin(param, buf, len) < 0) {
7410                 os_free(buf);
7411                 return -1;
7412         }
7413
7414         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
7415                                      buf, len, wait_time,
7416                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
7417         os_free(buf);
7418         return res;
7419 }
7420
7421
7422 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
7423 {
7424         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
7425         offchannel_send_action_done(wpa_s);
7426 }
7427
7428
7429 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
7430 {
7431         char *pos, *param;
7432         union wpa_event_data event;
7433         enum wpa_event_type ev;
7434
7435         /* <event name> [parameters..] */
7436
7437         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
7438
7439         pos = cmd;
7440         param = os_strchr(pos, ' ');
7441         if (param)
7442                 *param++ = '\0';
7443
7444         os_memset(&event, 0, sizeof(event));
7445
7446         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
7447                 ev = EVENT_INTERFACE_ENABLED;
7448         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
7449                 ev = EVENT_INTERFACE_DISABLED;
7450         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
7451                 ev = EVENT_AVOID_FREQUENCIES;
7452                 if (param == NULL)
7453                         param = "";
7454                 if (freq_range_list_parse(&event.freq_range, param) < 0)
7455                         return -1;
7456                 wpa_supplicant_event(wpa_s, ev, &event);
7457                 os_free(event.freq_range.range);
7458                 return 0;
7459         } else {
7460                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
7461                         cmd);
7462                 return -1;
7463         }
7464
7465         wpa_supplicant_event(wpa_s, ev, &event);
7466
7467         return 0;
7468 }
7469
7470
7471 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
7472 {
7473         char *pos;
7474         u8 src[ETH_ALEN], *buf;
7475         int used;
7476         size_t len;
7477
7478         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
7479
7480         pos = cmd;
7481         used = hwaddr_aton2(pos, src);
7482         if (used < 0)
7483                 return -1;
7484         pos += used;
7485         while (*pos == ' ')
7486                 pos++;
7487
7488         len = os_strlen(pos);
7489         if (len & 1)
7490                 return -1;
7491         len /= 2;
7492
7493         buf = os_malloc(len);
7494         if (buf == NULL)
7495                 return -1;
7496
7497         if (hexstr2bin(pos, buf, len) < 0) {
7498                 os_free(buf);
7499                 return -1;
7500         }
7501
7502         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
7503         os_free(buf);
7504
7505         return 0;
7506 }
7507
7508
7509 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
7510 {
7511         size_t i;
7512         u32 sum = 0;
7513         const u16 *pos = buf;
7514
7515         for (i = 0; i < len / 2; i++)
7516                 sum += *pos++;
7517
7518         while (sum >> 16)
7519                 sum = (sum & 0xffff) + (sum >> 16);
7520
7521         return sum ^ 0xffff;
7522 }
7523
7524
7525 #define HWSIM_PACKETLEN 1500
7526 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
7527
7528 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
7529 {
7530         struct wpa_supplicant *wpa_s = ctx;
7531         const struct ether_header *eth;
7532         struct iphdr ip;
7533         const u8 *pos;
7534         unsigned int i;
7535
7536         if (len != HWSIM_PACKETLEN)
7537                 return;
7538
7539         eth = (const struct ether_header *) buf;
7540         os_memcpy(&ip, eth + 1, sizeof(ip));
7541         pos = &buf[sizeof(*eth) + sizeof(ip)];
7542
7543         if (ip.ihl != 5 || ip.version != 4 ||
7544             ntohs(ip.tot_len) != HWSIM_IP_LEN)
7545                 return;
7546
7547         for (i = 0; i < HWSIM_IP_LEN - sizeof(ip); i++) {
7548                 if (*pos != (u8) i)
7549                         return;
7550                 pos++;
7551         }
7552
7553         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
7554                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
7555 }
7556
7557
7558 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
7559                                             char *cmd)
7560 {
7561         int enabled = atoi(cmd);
7562
7563         if (!enabled) {
7564                 if (wpa_s->l2_test) {
7565                         l2_packet_deinit(wpa_s->l2_test);
7566                         wpa_s->l2_test = NULL;
7567                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
7568                 }
7569                 return 0;
7570         }
7571
7572         if (wpa_s->l2_test)
7573                 return 0;
7574
7575         wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
7576                                         ETHERTYPE_IP, wpas_data_test_rx,
7577                                         wpa_s, 1);
7578         if (wpa_s->l2_test == NULL)
7579                 return -1;
7580
7581         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
7582
7583         return 0;
7584 }
7585
7586
7587 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
7588 {
7589         u8 dst[ETH_ALEN], src[ETH_ALEN];
7590         char *pos;
7591         int used;
7592         long int val;
7593         u8 tos;
7594         u8 buf[2 + HWSIM_PACKETLEN];
7595         struct ether_header *eth;
7596         struct iphdr *ip;
7597         u8 *dpos;
7598         unsigned int i;
7599
7600         if (wpa_s->l2_test == NULL)
7601                 return -1;
7602
7603         /* format: <dst> <src> <tos> */
7604
7605         pos = cmd;
7606         used = hwaddr_aton2(pos, dst);
7607         if (used < 0)
7608                 return -1;
7609         pos += used;
7610         while (*pos == ' ')
7611                 pos++;
7612         used = hwaddr_aton2(pos, src);
7613         if (used < 0)
7614                 return -1;
7615         pos += used;
7616
7617         val = strtol(pos, NULL, 0);
7618         if (val < 0 || val > 0xff)
7619                 return -1;
7620         tos = val;
7621
7622         eth = (struct ether_header *) &buf[2];
7623         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
7624         os_memcpy(eth->ether_shost, src, ETH_ALEN);
7625         eth->ether_type = htons(ETHERTYPE_IP);
7626         ip = (struct iphdr *) (eth + 1);
7627         os_memset(ip, 0, sizeof(*ip));
7628         ip->ihl = 5;
7629         ip->version = 4;
7630         ip->ttl = 64;
7631         ip->tos = tos;
7632         ip->tot_len = htons(HWSIM_IP_LEN);
7633         ip->protocol = 1;
7634         ip->saddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 1);
7635         ip->daddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 2);
7636         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
7637         dpos = (u8 *) (ip + 1);
7638         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
7639                 *dpos++ = i;
7640
7641         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, &buf[2],
7642                            HWSIM_PACKETLEN) < 0)
7643                 return -1;
7644
7645         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
7646                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
7647
7648         return 0;
7649 }
7650
7651
7652 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
7653                                            char *cmd)
7654 {
7655         u8 *buf;
7656         struct ether_header *eth;
7657         struct l2_packet_data *l2 = NULL;
7658         size_t len;
7659         u16 ethertype;
7660         int res = -1;
7661
7662         len = os_strlen(cmd);
7663         if (len & 1 || len < ETH_HLEN * 2)
7664                 return -1;
7665         len /= 2;
7666
7667         buf = os_malloc(len);
7668         if (buf == NULL)
7669                 return -1;
7670
7671         if (hexstr2bin(cmd, buf, len) < 0)
7672                 goto done;
7673
7674         eth = (struct ether_header *) buf;
7675         ethertype = ntohs(eth->ether_type);
7676
7677         l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
7678                             wpas_data_test_rx, wpa_s, 1);
7679         if (l2 == NULL)
7680                 goto done;
7681
7682         res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
7683         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
7684 done:
7685         if (l2)
7686                 l2_packet_deinit(l2);
7687         os_free(buf);
7688
7689         return res < 0 ? -1 : 0;
7690 }
7691
7692
7693 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
7694 {
7695 #ifdef WPA_TRACE_BFD
7696         extern char wpa_trace_fail_func[256];
7697         extern unsigned int wpa_trace_fail_after;
7698         char *pos;
7699
7700         wpa_trace_fail_after = atoi(cmd);
7701         pos = os_strchr(cmd, ':');
7702         if (pos) {
7703                 pos++;
7704                 os_strlcpy(wpa_trace_fail_func, pos,
7705                            sizeof(wpa_trace_fail_func));
7706         } else {
7707                 wpa_trace_fail_after = 0;
7708         }
7709         return 0;
7710 #else /* WPA_TRACE_BFD */
7711         return -1;
7712 #endif /* WPA_TRACE_BFD */
7713 }
7714
7715
7716 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
7717                                     char *buf, size_t buflen)
7718 {
7719 #ifdef WPA_TRACE_BFD
7720         extern char wpa_trace_fail_func[256];
7721         extern unsigned int wpa_trace_fail_after;
7722
7723         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
7724                            wpa_trace_fail_func);
7725 #else /* WPA_TRACE_BFD */
7726         return -1;
7727 #endif /* WPA_TRACE_BFD */
7728 }
7729
7730
7731 static int wpas_ctrl_test_fail(struct wpa_supplicant *wpa_s, char *cmd)
7732 {
7733 #ifdef WPA_TRACE_BFD
7734         extern char wpa_trace_test_fail_func[256];
7735         extern unsigned int wpa_trace_test_fail_after;
7736         char *pos;
7737
7738         wpa_trace_test_fail_after = atoi(cmd);
7739         pos = os_strchr(cmd, ':');
7740         if (pos) {
7741                 pos++;
7742                 os_strlcpy(wpa_trace_test_fail_func, pos,
7743                            sizeof(wpa_trace_test_fail_func));
7744         } else {
7745                 wpa_trace_test_fail_after = 0;
7746         }
7747         return 0;
7748 #else /* WPA_TRACE_BFD */
7749         return -1;
7750 #endif /* WPA_TRACE_BFD */
7751 }
7752
7753
7754 static int wpas_ctrl_get_fail(struct wpa_supplicant *wpa_s,
7755                                     char *buf, size_t buflen)
7756 {
7757 #ifdef WPA_TRACE_BFD
7758         extern char wpa_trace_test_fail_func[256];
7759         extern unsigned int wpa_trace_test_fail_after;
7760
7761         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_test_fail_after,
7762                            wpa_trace_test_fail_func);
7763 #else /* WPA_TRACE_BFD */
7764         return -1;
7765 #endif /* WPA_TRACE_BFD */
7766 }
7767
7768 #endif /* CONFIG_TESTING_OPTIONS */
7769
7770
7771 static void wpas_ctrl_vendor_elem_update(struct wpa_supplicant *wpa_s)
7772 {
7773         unsigned int i;
7774         char buf[30];
7775
7776         wpa_printf(MSG_DEBUG, "Update vendor elements");
7777
7778         for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
7779                 if (wpa_s->vendor_elem[i]) {
7780                         int res;
7781
7782                         res = os_snprintf(buf, sizeof(buf), "frame[%u]", i);
7783                         if (!os_snprintf_error(sizeof(buf), res)) {
7784                                 wpa_hexdump_buf(MSG_DEBUG, buf,
7785                                                 wpa_s->vendor_elem[i]);
7786                         }
7787                 }
7788         }
7789
7790 #ifdef CONFIG_P2P
7791         if (wpa_s->parent == wpa_s &&
7792             wpa_s->global->p2p &&
7793             !wpa_s->global->p2p_disabled)
7794                 p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem);
7795 #endif /* CONFIG_P2P */
7796 }
7797
7798
7799 static struct wpa_supplicant *
7800 wpas_ctrl_vendor_elem_iface(struct wpa_supplicant *wpa_s,
7801                             enum wpa_vendor_elem_frame frame)
7802 {
7803         switch (frame) {
7804 #ifdef CONFIG_P2P
7805         case VENDOR_ELEM_PROBE_REQ_P2P:
7806         case VENDOR_ELEM_PROBE_RESP_P2P:
7807         case VENDOR_ELEM_PROBE_RESP_P2P_GO:
7808         case VENDOR_ELEM_BEACON_P2P_GO:
7809         case VENDOR_ELEM_P2P_PD_REQ:
7810         case VENDOR_ELEM_P2P_PD_RESP:
7811         case VENDOR_ELEM_P2P_GO_NEG_REQ:
7812         case VENDOR_ELEM_P2P_GO_NEG_RESP:
7813         case VENDOR_ELEM_P2P_GO_NEG_CONF:
7814         case VENDOR_ELEM_P2P_INV_REQ:
7815         case VENDOR_ELEM_P2P_INV_RESP:
7816         case VENDOR_ELEM_P2P_ASSOC_REQ:
7817                 return wpa_s->parent;
7818 #endif /* CONFIG_P2P */
7819         default:
7820                 return wpa_s;
7821         }
7822 }
7823
7824
7825 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
7826 {
7827         char *pos = cmd;
7828         int frame;
7829         size_t len;
7830         struct wpabuf *buf;
7831         struct ieee802_11_elems elems;
7832
7833         frame = atoi(pos);
7834         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7835                 return -1;
7836         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7837
7838         pos = os_strchr(pos, ' ');
7839         if (pos == NULL)
7840                 return -1;
7841         pos++;
7842
7843         len = os_strlen(pos);
7844         if (len == 0)
7845                 return 0;
7846         if (len & 1)
7847                 return -1;
7848         len /= 2;
7849
7850         buf = wpabuf_alloc(len);
7851         if (buf == NULL)
7852                 return -1;
7853
7854         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
7855                 wpabuf_free(buf);
7856                 return -1;
7857         }
7858
7859         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
7860             ParseFailed) {
7861                 wpabuf_free(buf);
7862                 return -1;
7863         }
7864
7865         if (wpa_s->vendor_elem[frame] == NULL) {
7866                 wpa_s->vendor_elem[frame] = buf;
7867                 wpas_ctrl_vendor_elem_update(wpa_s);
7868                 return 0;
7869         }
7870
7871         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
7872                 wpabuf_free(buf);
7873                 return -1;
7874         }
7875
7876         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
7877         wpabuf_free(buf);
7878         wpas_ctrl_vendor_elem_update(wpa_s);
7879
7880         return 0;
7881 }
7882
7883
7884 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
7885                                      char *buf, size_t buflen)
7886 {
7887         int frame = atoi(cmd);
7888
7889         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7890                 return -1;
7891         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7892
7893         if (wpa_s->vendor_elem[frame] == NULL)
7894                 return 0;
7895
7896         return wpa_snprintf_hex(buf, buflen,
7897                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
7898                                 wpabuf_len(wpa_s->vendor_elem[frame]));
7899 }
7900
7901
7902 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
7903 {
7904         char *pos = cmd;
7905         int frame;
7906         size_t len;
7907         u8 *buf;
7908         struct ieee802_11_elems elems;
7909         u8 *ie, *end;
7910
7911         frame = atoi(pos);
7912         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7913                 return -1;
7914         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7915
7916         pos = os_strchr(pos, ' ');
7917         if (pos == NULL)
7918                 return -1;
7919         pos++;
7920
7921         if (*pos == '*') {
7922                 wpabuf_free(wpa_s->vendor_elem[frame]);
7923                 wpa_s->vendor_elem[frame] = NULL;
7924                 wpas_ctrl_vendor_elem_update(wpa_s);
7925                 return 0;
7926         }
7927
7928         if (wpa_s->vendor_elem[frame] == NULL)
7929                 return -1;
7930
7931         len = os_strlen(pos);
7932         if (len == 0)
7933                 return 0;
7934         if (len & 1)
7935                 return -1;
7936         len /= 2;
7937
7938         buf = os_malloc(len);
7939         if (buf == NULL)
7940                 return -1;
7941
7942         if (hexstr2bin(pos, buf, len) < 0) {
7943                 os_free(buf);
7944                 return -1;
7945         }
7946
7947         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
7948                 os_free(buf);
7949                 return -1;
7950         }
7951
7952         ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]);
7953         end = ie + wpabuf_len(wpa_s->vendor_elem[frame]);
7954
7955         for (; ie + 1 < end; ie += 2 + ie[1]) {
7956                 if (ie + len > end)
7957                         break;
7958                 if (os_memcmp(ie, buf, len) != 0)
7959                         continue;
7960
7961                 if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) {
7962                         wpabuf_free(wpa_s->vendor_elem[frame]);
7963                         wpa_s->vendor_elem[frame] = NULL;
7964                 } else {
7965                         os_memmove(ie, ie + len,
7966                                    end - (ie + len));
7967                         wpa_s->vendor_elem[frame]->used -= len;
7968                 }
7969                 os_free(buf);
7970                 wpas_ctrl_vendor_elem_update(wpa_s);
7971                 return 0;
7972         }
7973
7974         os_free(buf);
7975
7976         return -1;
7977 }
7978
7979
7980 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
7981 {
7982         struct wpa_supplicant *wpa_s = ctx;
7983
7984         if (neighbor_rep) {
7985                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
7986                              "length=%u",
7987                              (unsigned int) wpabuf_len(neighbor_rep));
7988                 wpabuf_free(neighbor_rep);
7989         } else {
7990                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
7991         }
7992 }
7993
7994
7995 static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s,
7996                                             char *cmd)
7997 {
7998         struct wpa_ssid ssid;
7999         struct wpa_ssid *ssid_p = NULL;
8000         int ret = 0;
8001
8002         if (os_strncmp(cmd, " ssid=", 6) == 0) {
8003                 ssid.ssid_len = os_strlen(cmd + 6);
8004                 if (ssid.ssid_len > SSID_MAX_LEN)
8005                         return -1;
8006                 ssid.ssid = (u8 *) (cmd + 6);
8007                 ssid_p = &ssid;
8008         }
8009
8010         ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p,
8011                                                  wpas_ctrl_neighbor_rep_cb,
8012                                                  wpa_s);
8013
8014         return ret;
8015 }
8016
8017
8018 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
8019 {
8020         eapol_sm_erp_flush(wpa_s->eapol);
8021         return 0;
8022 }
8023
8024
8025 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
8026                                          char *cmd)
8027 {
8028         char *token, *context = NULL;
8029         unsigned int enable = ~0, type = 0;
8030         u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
8031         u8 *addr = NULL, *mask = NULL;
8032
8033         while ((token = str_token(cmd, " ", &context))) {
8034                 if (os_strcasecmp(token, "scan") == 0) {
8035                         type |= MAC_ADDR_RAND_SCAN;
8036                 } else if (os_strcasecmp(token, "sched") == 0) {
8037                         type |= MAC_ADDR_RAND_SCHED_SCAN;
8038                 } else if (os_strcasecmp(token, "pno") == 0) {
8039                         type |= MAC_ADDR_RAND_PNO;
8040                 } else if (os_strcasecmp(token, "all") == 0) {
8041                         type = wpa_s->mac_addr_rand_supported;
8042                 } else if (os_strncasecmp(token, "enable=", 7) == 0) {
8043                         enable = atoi(token + 7);
8044                 } else if (os_strncasecmp(token, "addr=", 5) == 0) {
8045                         addr = _addr;
8046                         if (hwaddr_aton(token + 5, addr)) {
8047                                 wpa_printf(MSG_INFO,
8048                                            "CTRL: Invalid MAC address: %s",
8049                                            token);
8050                                 return -1;
8051                         }
8052                 } else if (os_strncasecmp(token, "mask=", 5) == 0) {
8053                         mask = _mask;
8054                         if (hwaddr_aton(token + 5, mask)) {
8055                                 wpa_printf(MSG_INFO,
8056                                            "CTRL: Invalid MAC address mask: %s",
8057                                            token);
8058                                 return -1;
8059                         }
8060                 } else {
8061                         wpa_printf(MSG_INFO,
8062                                    "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
8063                                    token);
8064                         return -1;
8065                 }
8066         }
8067
8068         if (!type) {
8069                 wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
8070                 return -1;
8071         }
8072
8073         if ((wpa_s->mac_addr_rand_supported & type) != type) {
8074                 wpa_printf(MSG_INFO,
8075                            "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
8076                            type, wpa_s->mac_addr_rand_supported);
8077                 return -1;
8078         }
8079
8080         if (enable > 1) {
8081                 wpa_printf(MSG_INFO,
8082                            "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
8083                 return -1;
8084         }
8085
8086         if (!enable) {
8087                 wpas_mac_addr_rand_scan_clear(wpa_s, type);
8088                 if (wpa_s->pno) {
8089                         if (type & MAC_ADDR_RAND_PNO) {
8090                                 wpas_stop_pno(wpa_s);
8091                                 wpas_start_pno(wpa_s);
8092                         }
8093                 } else if (wpa_s->sched_scanning &&
8094                            (type & MAC_ADDR_RAND_SCHED_SCAN)) {
8095                         /* simulate timeout to restart the sched scan */
8096                         wpa_s->sched_scan_timed_out = 1;
8097                         wpa_s->prev_sched_ssid = NULL;
8098                         wpa_supplicant_cancel_sched_scan(wpa_s);
8099                 }
8100                 return 0;
8101         }
8102
8103         if ((addr && !mask) || (!addr && mask)) {
8104                 wpa_printf(MSG_INFO,
8105                            "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
8106                 return -1;
8107         }
8108
8109         if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
8110                 wpa_printf(MSG_INFO,
8111                            "CTRL: MAC_RAND_SCAN cannot allow multicast address");
8112                 return -1;
8113         }
8114
8115         if (type & MAC_ADDR_RAND_SCAN) {
8116                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
8117                                             addr, mask);
8118         }
8119
8120         if (type & MAC_ADDR_RAND_SCHED_SCAN) {
8121                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
8122                                             addr, mask);
8123
8124                 if (wpa_s->sched_scanning && !wpa_s->pno) {
8125                         /* simulate timeout to restart the sched scan */
8126                         wpa_s->sched_scan_timed_out = 1;
8127                         wpa_s->prev_sched_ssid = NULL;
8128                         wpa_supplicant_cancel_sched_scan(wpa_s);
8129                 }
8130         }
8131
8132         if (type & MAC_ADDR_RAND_PNO) {
8133                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
8134                                             addr, mask);
8135                 if (wpa_s->pno) {
8136                         wpas_stop_pno(wpa_s);
8137                         wpas_start_pno(wpa_s);
8138                 }
8139         }
8140
8141         return 0;
8142 }
8143
8144
8145 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
8146                                          char *buf, size_t *resp_len)
8147 {
8148         char *reply;
8149         const int reply_size = 4096;
8150         int reply_len;
8151
8152         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
8153             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8154                 if (wpa_debug_show_keys)
8155                         wpa_dbg(wpa_s, MSG_DEBUG,
8156                                 "Control interface command '%s'", buf);
8157                 else
8158                         wpa_dbg(wpa_s, MSG_DEBUG,
8159                                 "Control interface command '%s [REMOVED]'",
8160                                 os_strncmp(buf, WPA_CTRL_RSP,
8161                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
8162                                 WPA_CTRL_RSP : "SET_NETWORK");
8163         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
8164                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
8165                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
8166                                       (const u8 *) buf, os_strlen(buf));
8167         } else {
8168                 int level = MSG_DEBUG;
8169                 if (os_strcmp(buf, "PING") == 0)
8170                         level = MSG_EXCESSIVE;
8171                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
8172         }
8173
8174         reply = os_malloc(reply_size);
8175         if (reply == NULL) {
8176                 *resp_len = 1;
8177                 return NULL;
8178         }
8179
8180         os_memcpy(reply, "OK\n", 3);
8181         reply_len = 3;
8182
8183         if (os_strcmp(buf, "PING") == 0) {
8184                 os_memcpy(reply, "PONG\n", 5);
8185                 reply_len = 5;
8186         } else if (os_strcmp(buf, "IFNAME") == 0) {
8187                 reply_len = os_strlen(wpa_s->ifname);
8188                 os_memcpy(reply, wpa_s->ifname, reply_len);
8189         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
8190                 if (wpa_debug_reopen_file() < 0)
8191                         reply_len = -1;
8192         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
8193                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
8194         } else if (os_strcmp(buf, "MIB") == 0) {
8195                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
8196                 if (reply_len >= 0) {
8197                         reply_len += eapol_sm_get_mib(wpa_s->eapol,
8198                                                       reply + reply_len,
8199                                                       reply_size - reply_len);
8200                 }
8201         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
8202                 reply_len = wpa_supplicant_ctrl_iface_status(
8203                         wpa_s, buf + 6, reply, reply_size);
8204         } else if (os_strcmp(buf, "PMKSA") == 0) {
8205                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
8206                                                     reply_size);
8207         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
8208                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
8209         } else if (os_strncmp(buf, "SET ", 4) == 0) {
8210                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
8211                         reply_len = -1;
8212         } else if (os_strncmp(buf, "DUMP", 4) == 0) {
8213                 reply_len = wpa_config_dump_values(wpa_s->conf,
8214                                                    reply, reply_size);
8215         } else if (os_strncmp(buf, "GET ", 4) == 0) {
8216                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
8217                                                           reply, reply_size);
8218         } else if (os_strcmp(buf, "LOGON") == 0) {
8219                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
8220         } else if (os_strcmp(buf, "LOGOFF") == 0) {
8221                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
8222         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
8223                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8224                         reply_len = -1;
8225                 else
8226                         wpas_request_connection(wpa_s);
8227         } else if (os_strcmp(buf, "REATTACH") == 0) {
8228                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
8229                     !wpa_s->current_ssid)
8230                         reply_len = -1;
8231                 else {
8232                         wpa_s->reattach = 1;
8233                         wpas_request_connection(wpa_s);
8234                 }
8235         } else if (os_strcmp(buf, "RECONNECT") == 0) {
8236                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8237                         reply_len = -1;
8238                 else if (wpa_s->disconnected)
8239                         wpas_request_connection(wpa_s);
8240 #ifdef IEEE8021X_EAPOL
8241         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
8242                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
8243                         reply_len = -1;
8244 #endif /* IEEE8021X_EAPOL */
8245 #ifdef CONFIG_PEERKEY
8246         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
8247                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
8248                         reply_len = -1;
8249 #endif /* CONFIG_PEERKEY */
8250 #ifdef CONFIG_IEEE80211R
8251         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
8252                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
8253                         reply_len = -1;
8254 #endif /* CONFIG_IEEE80211R */
8255 #ifdef CONFIG_WPS
8256         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
8257                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
8258                 if (res == -2) {
8259                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8260                         reply_len = 17;
8261                 } else if (res)
8262                         reply_len = -1;
8263         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
8264                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
8265                 if (res == -2) {
8266                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8267                         reply_len = 17;
8268                 } else if (res)
8269                         reply_len = -1;
8270         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
8271                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
8272                                                               reply,
8273                                                               reply_size);
8274         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
8275                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
8276                         wpa_s, buf + 14, reply, reply_size);
8277         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
8278                 if (wpas_wps_cancel(wpa_s))
8279                         reply_len = -1;
8280 #ifdef CONFIG_WPS_NFC
8281         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
8282                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
8283                         reply_len = -1;
8284         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
8285                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
8286                         reply_len = -1;
8287         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
8288                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
8289                         wpa_s, buf + 21, reply, reply_size);
8290         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
8291                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
8292                         wpa_s, buf + 14, reply, reply_size);
8293         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
8294                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
8295                                                                buf + 17))
8296                         reply_len = -1;
8297         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
8298                 reply_len = wpas_ctrl_nfc_get_handover_req(
8299                         wpa_s, buf + 21, reply, reply_size);
8300         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
8301                 reply_len = wpas_ctrl_nfc_get_handover_sel(
8302                         wpa_s, buf + 21, reply, reply_size);
8303         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
8304                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
8305                         reply_len = -1;
8306 #endif /* CONFIG_WPS_NFC */
8307         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
8308                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
8309                         reply_len = -1;
8310 #ifdef CONFIG_AP
8311         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
8312                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
8313                         wpa_s, buf + 11, reply, reply_size);
8314 #endif /* CONFIG_AP */
8315 #ifdef CONFIG_WPS_ER
8316         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
8317                 if (wpas_wps_er_start(wpa_s, NULL))
8318                         reply_len = -1;
8319         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
8320                 if (wpas_wps_er_start(wpa_s, buf + 13))
8321                         reply_len = -1;
8322         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
8323                 wpas_wps_er_stop(wpa_s);
8324         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
8325                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
8326                         reply_len = -1;
8327         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
8328                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
8329                 if (ret == -2) {
8330                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8331                         reply_len = 17;
8332                 } else if (ret == -3) {
8333                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
8334                         reply_len = 18;
8335                 } else if (ret == -4) {
8336                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
8337                         reply_len = 20;
8338                 } else if (ret)
8339                         reply_len = -1;
8340         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
8341                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
8342                         reply_len = -1;
8343         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
8344                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
8345                                                                 buf + 18))
8346                         reply_len = -1;
8347         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
8348                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
8349                         reply_len = -1;
8350 #ifdef CONFIG_WPS_NFC
8351         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
8352                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
8353                         wpa_s, buf + 24, reply, reply_size);
8354 #endif /* CONFIG_WPS_NFC */
8355 #endif /* CONFIG_WPS_ER */
8356 #endif /* CONFIG_WPS */
8357 #ifdef CONFIG_IBSS_RSN
8358         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
8359                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
8360                         reply_len = -1;
8361 #endif /* CONFIG_IBSS_RSN */
8362 #ifdef CONFIG_MESH
8363         } else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
8364                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8365                         wpa_s, buf + 19, reply, reply_size);
8366         } else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
8367                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8368                         wpa_s, "", reply, reply_size);
8369         } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
8370                 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
8371                         reply_len = -1;
8372         } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
8373                 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
8374                                                                 buf + 18))
8375                         reply_len = -1;
8376 #endif /* CONFIG_MESH */
8377 #ifdef CONFIG_P2P
8378         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
8379                 if (p2p_ctrl_find(wpa_s, buf + 8))
8380                         reply_len = -1;
8381         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
8382                 if (p2p_ctrl_find(wpa_s, ""))
8383                         reply_len = -1;
8384         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
8385                 wpas_p2p_stop_find(wpa_s);
8386         } else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
8387                 if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
8388                         reply_len = -1;
8389         } else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
8390                 if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
8391                         reply_len = -1;
8392         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
8393                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
8394                                              reply_size);
8395         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
8396                 if (p2p_ctrl_listen(wpa_s, buf + 11))
8397                         reply_len = -1;
8398         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
8399                 if (p2p_ctrl_listen(wpa_s, ""))
8400                         reply_len = -1;
8401         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
8402                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
8403                         reply_len = -1;
8404         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
8405                 if (p2p_ctrl_group_add(wpa_s, ""))
8406                         reply_len = -1;
8407         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
8408                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
8409                         reply_len = -1;
8410         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
8411                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
8412                         reply_len = -1;
8413         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
8414                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
8415         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
8416                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
8417                                                    reply_size);
8418         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
8419                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
8420                         reply_len = -1;
8421         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
8422                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
8423                         reply_len = -1;
8424         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
8425                 wpas_p2p_sd_service_update(wpa_s);
8426         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
8427                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
8428                         reply_len = -1;
8429         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
8430                 wpas_p2p_service_flush(wpa_s);
8431         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
8432                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
8433                         reply_len = -1;
8434         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
8435                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
8436                         reply_len = -1;
8437         } else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
8438                 if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
8439                         reply_len = -1;
8440         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
8441                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
8442                         reply_len = -1;
8443         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
8444                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
8445                         reply_len = -1;
8446         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
8447                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
8448                                               reply_size);
8449         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
8450                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
8451                         reply_len = -1;
8452         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
8453                 p2p_ctrl_flush(wpa_s);
8454         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
8455                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
8456                         reply_len = -1;
8457         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
8458                 if (wpas_p2p_cancel(wpa_s))
8459                         reply_len = -1;
8460         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
8461                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
8462                         reply_len = -1;
8463         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
8464                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
8465                         reply_len = -1;
8466         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
8467                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
8468                         reply_len = -1;
8469         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
8470                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
8471                         reply_len = -1;
8472         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
8473                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
8474                         reply_len = -1;
8475 #endif /* CONFIG_P2P */
8476 #ifdef CONFIG_WIFI_DISPLAY
8477         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
8478                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
8479                         reply_len = -1;
8480         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
8481                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
8482                                                      reply, reply_size);
8483 #endif /* CONFIG_WIFI_DISPLAY */
8484 #ifdef CONFIG_INTERWORKING
8485         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
8486                 if (interworking_fetch_anqp(wpa_s) < 0)
8487                         reply_len = -1;
8488         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
8489                 interworking_stop_fetch_anqp(wpa_s);
8490         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
8491                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
8492                         reply_len = -1;
8493         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
8494                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
8495                         reply_len = -1;
8496         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
8497                 if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
8498                         reply_len = -1;
8499         } else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
8500                 int id;
8501
8502                 id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
8503                 if (id < 0)
8504                         reply_len = -1;
8505                 else {
8506                         reply_len = os_snprintf(reply, reply_size, "%d\n", id);
8507                         if (os_snprintf_error(reply_size, reply_len))
8508                                 reply_len = -1;
8509                 }
8510         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
8511                 if (get_anqp(wpa_s, buf + 9) < 0)
8512                         reply_len = -1;
8513         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
8514                 if (gas_request(wpa_s, buf + 12) < 0)
8515                         reply_len = -1;
8516         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
8517                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
8518                                              reply_size);
8519 #endif /* CONFIG_INTERWORKING */
8520 #ifdef CONFIG_HS20
8521         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
8522                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
8523                         reply_len = -1;
8524         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
8525                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
8526                         reply_len = -1;
8527         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
8528                 if (hs20_icon_request(wpa_s, buf + 18) < 0)
8529                         reply_len = -1;
8530         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
8531                 if (hs20_fetch_osu(wpa_s) < 0)
8532                         reply_len = -1;
8533         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
8534                 hs20_cancel_fetch_osu(wpa_s);
8535 #endif /* CONFIG_HS20 */
8536         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
8537         {
8538                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
8539                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
8540                         reply_len = -1;
8541                 else {
8542                         /*
8543                          * Notify response from timeout to allow the control
8544                          * interface response to be sent first.
8545                          */
8546                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
8547                                                wpa_s, NULL);
8548                 }
8549         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
8550                 if (wpa_supplicant_reload_configuration(wpa_s))
8551                         reply_len = -1;
8552         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8553                 wpa_supplicant_terminate_proc(wpa_s->global);
8554         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
8555                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
8556                         reply_len = -1;
8557         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
8558                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
8559                         wpa_s, buf + 9, reply, reply_size);
8560         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
8561                 reply_len = wpa_supplicant_ctrl_iface_log_level(
8562                         wpa_s, buf + 9, reply, reply_size);
8563         } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
8564                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8565                         wpa_s, buf + 14, reply, reply_size);
8566         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
8567                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8568                         wpa_s, NULL, reply, reply_size);
8569         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
8570 #ifdef CONFIG_SME
8571                 wpa_s->sme.prev_bssid_set = 0;
8572 #endif /* CONFIG_SME */
8573                 wpa_s->reassociate = 0;
8574                 wpa_s->disconnected = 1;
8575                 wpa_supplicant_cancel_sched_scan(wpa_s);
8576                 wpa_supplicant_cancel_scan(wpa_s);
8577                 wpa_supplicant_deauthenticate(wpa_s,
8578                                               WLAN_REASON_DEAUTH_LEAVING);
8579                 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
8580         } else if (os_strcmp(buf, "SCAN") == 0) {
8581                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
8582         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
8583                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
8584         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
8585                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
8586                         wpa_s, reply, reply_size);
8587         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
8588                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
8589                         reply_len = -1;
8590         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
8591                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
8592                         reply_len = -1;
8593         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
8594                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
8595                         reply_len = -1;
8596         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
8597                 reply_len = wpa_supplicant_ctrl_iface_add_network(
8598                         wpa_s, reply, reply_size);
8599         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
8600                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
8601                         reply_len = -1;
8602         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8603                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
8604                         reply_len = -1;
8605         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
8606                 reply_len = wpa_supplicant_ctrl_iface_get_network(
8607                         wpa_s, buf + 12, reply, reply_size);
8608         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
8609                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12,
8610                                                           wpa_s))
8611                         reply_len = -1;
8612         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
8613                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
8614                         wpa_s, reply, reply_size);
8615         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
8616                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
8617                         wpa_s, reply, reply_size);
8618         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
8619                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
8620                         reply_len = -1;
8621         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
8622                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
8623                         reply_len = -1;
8624         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
8625                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
8626                                                                reply,
8627                                                                reply_size);
8628 #ifndef CONFIG_NO_CONFIG_WRITE
8629         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8630                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
8631                         reply_len = -1;
8632 #endif /* CONFIG_NO_CONFIG_WRITE */
8633         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
8634                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
8635                         wpa_s, buf + 15, reply, reply_size);
8636         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
8637                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
8638                         reply_len = -1;
8639         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
8640                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
8641                         reply_len = -1;
8642         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8643                 reply_len = wpa_supplicant_global_iface_list(
8644                         wpa_s->global, reply, reply_size);
8645         } else if (os_strcmp(buf, "INTERFACES") == 0) {
8646                 reply_len = wpa_supplicant_global_iface_interfaces(
8647                         wpa_s->global, reply, reply_size);
8648         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
8649                 reply_len = wpa_supplicant_ctrl_iface_bss(
8650                         wpa_s, buf + 4, reply, reply_size);
8651 #ifdef CONFIG_AP
8652         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
8653                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
8654         } else if (os_strncmp(buf, "STA ", 4) == 0) {
8655                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
8656                                               reply_size);
8657         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
8658                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
8659                                                    reply_size);
8660         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
8661                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
8662                         reply_len = -1;
8663         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
8664                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
8665                         reply_len = -1;
8666         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
8667                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
8668                         reply_len = -1;
8669         } else if (os_strcmp(buf, "STOP_AP") == 0) {
8670                 if (wpas_ap_stop_ap(wpa_s))
8671                         reply_len = -1;
8672 #endif /* CONFIG_AP */
8673         } else if (os_strcmp(buf, "SUSPEND") == 0) {
8674                 wpas_notify_suspend(wpa_s->global);
8675         } else if (os_strcmp(buf, "RESUME") == 0) {
8676                 wpas_notify_resume(wpa_s->global);
8677 #ifdef CONFIG_TESTING_OPTIONS
8678         } else if (os_strcmp(buf, "DROP_SA") == 0) {
8679                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
8680 #endif /* CONFIG_TESTING_OPTIONS */
8681         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
8682                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
8683                         reply_len = -1;
8684         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
8685                 wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
8686         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
8687                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
8688                         reply_len = -1;
8689         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
8690                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
8691                                                                buf + 17))
8692                         reply_len = -1;
8693         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
8694                 wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
8695 #ifdef CONFIG_TDLS
8696         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
8697                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
8698                         reply_len = -1;
8699         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
8700                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
8701                         reply_len = -1;
8702         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
8703                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
8704                         reply_len = -1;
8705         } else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
8706                 if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
8707                                                                buf + 17))
8708                         reply_len = -1;
8709         } else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
8710                 if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
8711                                                                       buf + 24))
8712                         reply_len = -1;
8713         } else if (os_strncmp(buf, "TDLS_LINK_STATUS ", 17) == 0) {
8714                 reply_len = wpa_supplicant_ctrl_iface_tdls_link_status(
8715                         wpa_s, buf + 17, reply, reply_size);
8716 #endif /* CONFIG_TDLS */
8717         } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
8718                 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
8719         } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
8720                 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
8721                         reply_len = -1;
8722         } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
8723                 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
8724                         reply_len = -1;
8725         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
8726                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
8727                                                        reply_size);
8728         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
8729                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
8730                                                        reply_size);
8731 #ifdef CONFIG_AUTOSCAN
8732         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
8733                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
8734                         reply_len = -1;
8735 #endif /* CONFIG_AUTOSCAN */
8736 #ifdef ANDROID
8737         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
8738                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
8739                                                       reply_size);
8740 #endif /* ANDROID */
8741         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
8742                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
8743                                                       reply_size);
8744         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
8745                 pmksa_cache_clear_current(wpa_s->wpa);
8746                 eapol_sm_request_reauth(wpa_s->eapol);
8747 #ifdef CONFIG_WNM
8748         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
8749                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
8750                         reply_len = -1;
8751         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
8752                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
8753                                 reply_len = -1;
8754 #endif /* CONFIG_WNM */
8755         } else if (os_strcmp(buf, "FLUSH") == 0) {
8756                 wpa_supplicant_ctrl_iface_flush(wpa_s);
8757         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
8758                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
8759                                                  reply_size);
8760 #ifdef CONFIG_TESTING_OPTIONS
8761         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
8762                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
8763                         reply_len = -1;
8764         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
8765                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
8766         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
8767                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
8768                         reply_len = -1;
8769         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
8770                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
8771                         reply_len = -1;
8772         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
8773                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
8774                         reply_len = -1;
8775         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
8776                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
8777                         reply_len = -1;
8778         } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
8779                 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
8780                         reply_len = -1;
8781         } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
8782                 if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
8783                         reply_len = -1;
8784         } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
8785                 reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
8786         } else if (os_strncmp(buf, "TEST_FAIL ", 10) == 0) {
8787                 if (wpas_ctrl_test_fail(wpa_s, buf + 10) < 0)
8788                         reply_len = -1;
8789         } else if (os_strcmp(buf, "GET_FAIL") == 0) {
8790                 reply_len = wpas_ctrl_get_fail(wpa_s, reply, reply_size);
8791 #endif /* CONFIG_TESTING_OPTIONS */
8792         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
8793                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
8794                         reply_len = -1;
8795         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
8796                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
8797                                                       reply_size);
8798         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
8799                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
8800                         reply_len = -1;
8801         } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
8802                 if (wpas_ctrl_iface_send_neigbor_rep(wpa_s, buf + 20))
8803                         reply_len = -1;
8804         } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
8805                 wpas_ctrl_iface_erp_flush(wpa_s);
8806         } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
8807                 if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
8808                         reply_len = -1;
8809         } else if (os_strncmp(buf, "GET_PREF_FREQ_LIST ", 19) == 0) {
8810                 reply_len = wpas_ctrl_iface_get_pref_freq_list(
8811                         wpa_s, buf + 19, reply, reply_size);
8812         } else {
8813                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8814                 reply_len = 16;
8815         }
8816
8817         if (reply_len < 0) {
8818                 os_memcpy(reply, "FAIL\n", 5);
8819                 reply_len = 5;
8820         }
8821
8822         *resp_len = reply_len;
8823         return reply;
8824 }
8825
8826
8827 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
8828                                            char *cmd)
8829 {
8830         struct wpa_interface iface;
8831         char *pos, *extra;
8832         struct wpa_supplicant *wpa_s;
8833         unsigned int create_iface = 0;
8834         u8 mac_addr[ETH_ALEN];
8835
8836         /*
8837          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
8838          * TAB<bridge_ifname>[TAB<create>]
8839          */
8840         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
8841
8842         os_memset(&iface, 0, sizeof(iface));
8843
8844         do {
8845                 iface.ifname = pos = cmd;
8846                 pos = os_strchr(pos, '\t');
8847                 if (pos)
8848                         *pos++ = '\0';
8849                 if (iface.ifname[0] == '\0')
8850                         return -1;
8851                 if (pos == NULL)
8852                         break;
8853
8854                 iface.confname = pos;
8855                 pos = os_strchr(pos, '\t');
8856                 if (pos)
8857                         *pos++ = '\0';
8858                 if (iface.confname[0] == '\0')
8859                         iface.confname = NULL;
8860                 if (pos == NULL)
8861                         break;
8862
8863                 iface.driver = pos;
8864                 pos = os_strchr(pos, '\t');
8865                 if (pos)
8866                         *pos++ = '\0';
8867                 if (iface.driver[0] == '\0')
8868                         iface.driver = NULL;
8869                 if (pos == NULL)
8870                         break;
8871
8872                 iface.ctrl_interface = pos;
8873                 pos = os_strchr(pos, '\t');
8874                 if (pos)
8875                         *pos++ = '\0';
8876                 if (iface.ctrl_interface[0] == '\0')
8877                         iface.ctrl_interface = NULL;
8878                 if (pos == NULL)
8879                         break;
8880
8881                 iface.driver_param = pos;
8882                 pos = os_strchr(pos, '\t');
8883                 if (pos)
8884                         *pos++ = '\0';
8885                 if (iface.driver_param[0] == '\0')
8886                         iface.driver_param = NULL;
8887                 if (pos == NULL)
8888                         break;
8889
8890                 iface.bridge_ifname = pos;
8891                 pos = os_strchr(pos, '\t');
8892                 if (pos)
8893                         *pos++ = '\0';
8894                 if (iface.bridge_ifname[0] == '\0')
8895                         iface.bridge_ifname = NULL;
8896                 if (pos == NULL)
8897                         break;
8898
8899                 extra = pos;
8900                 pos = os_strchr(pos, '\t');
8901                 if (pos)
8902                         *pos++ = '\0';
8903                 if (!extra[0])
8904                         break;
8905
8906                 if (os_strcmp(extra, "create") == 0)
8907                         create_iface = 1;
8908                 else {
8909                         wpa_printf(MSG_DEBUG,
8910                                    "INTERFACE_ADD unsupported extra parameter: '%s'",
8911                                    extra);
8912                         return -1;
8913                 }
8914         } while (0);
8915
8916         if (create_iface) {
8917                 wpa_printf(MSG_DEBUG, "CTRL_IFACE creating interface '%s'",
8918                            iface.ifname);
8919                 if (!global->ifaces)
8920                         return -1;
8921                 if (wpa_drv_if_add(global->ifaces, WPA_IF_STATION, iface.ifname,
8922                                    NULL, NULL, NULL, mac_addr, NULL) < 0) {
8923                         wpa_printf(MSG_ERROR,
8924                                    "CTRL_IFACE interface creation failed");
8925                         return -1;
8926                 }
8927
8928                 wpa_printf(MSG_DEBUG,
8929                            "CTRL_IFACE interface '%s' created with MAC addr: "
8930                            MACSTR, iface.ifname, MAC2STR(mac_addr));
8931         }
8932
8933         if (wpa_supplicant_get_iface(global, iface.ifname))
8934                 goto fail;
8935
8936         wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
8937         if (!wpa_s)
8938                 goto fail;
8939         wpa_s->added_vif = create_iface;
8940         return 0;
8941
8942 fail:
8943         if (create_iface)
8944                 wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, iface.ifname);
8945         return -1;
8946 }
8947
8948
8949 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
8950                                               char *cmd)
8951 {
8952         struct wpa_supplicant *wpa_s;
8953         int ret;
8954         unsigned int delete_iface;
8955
8956         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
8957
8958         wpa_s = wpa_supplicant_get_iface(global, cmd);
8959         if (wpa_s == NULL)
8960                 return -1;
8961         delete_iface = wpa_s->added_vif;
8962         ret = wpa_supplicant_remove_iface(global, wpa_s, 0);
8963         if (!ret && delete_iface) {
8964                 wpa_printf(MSG_DEBUG, "CTRL_IFACE deleting the interface '%s'",
8965                            cmd);
8966                 ret = wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, cmd);
8967         }
8968         return ret;
8969 }
8970
8971
8972 static void wpa_free_iface_info(struct wpa_interface_info *iface)
8973 {
8974         struct wpa_interface_info *prev;
8975
8976         while (iface) {
8977                 prev = iface;
8978                 iface = iface->next;
8979
8980                 os_free(prev->ifname);
8981                 os_free(prev->desc);
8982                 os_free(prev);
8983         }
8984 }
8985
8986
8987 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
8988                                             char *buf, int len)
8989 {
8990         int i, res;
8991         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
8992         char *pos, *end;
8993
8994         for (i = 0; wpa_drivers[i]; i++) {
8995                 const struct wpa_driver_ops *drv = wpa_drivers[i];
8996                 if (drv->get_interfaces == NULL)
8997                         continue;
8998                 tmp = drv->get_interfaces(global->drv_priv[i]);
8999                 if (tmp == NULL)
9000                         continue;
9001
9002                 if (last == NULL)
9003                         iface = last = tmp;
9004                 else
9005                         last->next = tmp;
9006                 while (last->next)
9007                         last = last->next;
9008         }
9009
9010         pos = buf;
9011         end = buf + len;
9012         for (tmp = iface; tmp; tmp = tmp->next) {
9013                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
9014                                   tmp->drv_name, tmp->ifname,
9015                                   tmp->desc ? tmp->desc : "");
9016                 if (os_snprintf_error(end - pos, res)) {
9017                         *pos = '\0';
9018                         break;
9019                 }
9020                 pos += res;
9021         }
9022
9023         wpa_free_iface_info(iface);
9024
9025         return pos - buf;
9026 }
9027
9028
9029 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
9030                                                   char *buf, int len)
9031 {
9032         int res;
9033         char *pos, *end;
9034         struct wpa_supplicant *wpa_s;
9035
9036         wpa_s = global->ifaces;
9037         pos = buf;
9038         end = buf + len;
9039
9040         while (wpa_s) {
9041                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
9042                 if (os_snprintf_error(end - pos, res)) {
9043                         *pos = '\0';
9044                         break;
9045                 }
9046                 pos += res;
9047                 wpa_s = wpa_s->next;
9048         }
9049         return pos - buf;
9050 }
9051
9052
9053 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
9054                                             const char *ifname,
9055                                             char *cmd, size_t *resp_len)
9056 {
9057         struct wpa_supplicant *wpa_s;
9058
9059         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9060                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
9061                         break;
9062         }
9063
9064         if (wpa_s == NULL) {
9065                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
9066                 if (resp)
9067                         *resp_len = os_strlen(resp);
9068                 else
9069                         *resp_len = 1;
9070                 return resp;
9071         }
9072
9073         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
9074 }
9075
9076
9077 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
9078                                                char *buf, size_t *resp_len)
9079 {
9080 #ifdef CONFIG_P2P
9081         static const char * cmd[] = {
9082                 "LIST_NETWORKS",
9083                 "P2P_FIND",
9084                 "P2P_STOP_FIND",
9085                 "P2P_LISTEN",
9086                 "P2P_GROUP_ADD",
9087                 "P2P_GET_PASSPHRASE",
9088                 "P2P_SERVICE_UPDATE",
9089                 "P2P_SERVICE_FLUSH",
9090                 "P2P_FLUSH",
9091                 "P2P_CANCEL",
9092                 "P2P_PRESENCE_REQ",
9093                 "P2P_EXT_LISTEN",
9094                 NULL
9095         };
9096         static const char * prefix[] = {
9097 #ifdef ANDROID
9098                 "DRIVER ",
9099 #endif /* ANDROID */
9100                 "GET_NETWORK ",
9101                 "REMOVE_NETWORK ",
9102                 "P2P_FIND ",
9103                 "P2P_CONNECT ",
9104                 "P2P_LISTEN ",
9105                 "P2P_GROUP_REMOVE ",
9106                 "P2P_GROUP_ADD ",
9107                 "P2P_PROV_DISC ",
9108                 "P2P_SERV_DISC_REQ ",
9109                 "P2P_SERV_DISC_CANCEL_REQ ",
9110                 "P2P_SERV_DISC_RESP ",
9111                 "P2P_SERV_DISC_EXTERNAL ",
9112                 "P2P_SERVICE_ADD ",
9113                 "P2P_SERVICE_DEL ",
9114                 "P2P_SERVICE_REP ",
9115                 "P2P_REJECT ",
9116                 "P2P_INVITE ",
9117                 "P2P_PEER ",
9118                 "P2P_SET ",
9119                 "P2P_UNAUTHORIZE ",
9120                 "P2P_PRESENCE_REQ ",
9121                 "P2P_EXT_LISTEN ",
9122                 "P2P_REMOVE_CLIENT ",
9123                 "WPS_NFC_TOKEN ",
9124                 "WPS_NFC_TAG_READ ",
9125                 "NFC_GET_HANDOVER_SEL ",
9126                 "NFC_GET_HANDOVER_REQ ",
9127                 "NFC_REPORT_HANDOVER ",
9128                 "P2P_ASP_PROVISION ",
9129                 "P2P_ASP_PROVISION_RESP ",
9130                 NULL
9131         };
9132         int found = 0;
9133         int i;
9134
9135         if (global->p2p_init_wpa_s == NULL)
9136                 return NULL;
9137
9138         for (i = 0; !found && cmd[i]; i++) {
9139                 if (os_strcmp(buf, cmd[i]) == 0)
9140                         found = 1;
9141         }
9142
9143         for (i = 0; !found && prefix[i]; i++) {
9144                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
9145                         found = 1;
9146         }
9147
9148         if (found)
9149                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9150                                                          buf, resp_len);
9151 #endif /* CONFIG_P2P */
9152         return NULL;
9153 }
9154
9155
9156 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
9157                                                char *buf, size_t *resp_len)
9158 {
9159 #ifdef CONFIG_WIFI_DISPLAY
9160         if (global->p2p_init_wpa_s == NULL)
9161                 return NULL;
9162         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
9163             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
9164                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9165                                                          buf, resp_len);
9166 #endif /* CONFIG_WIFI_DISPLAY */
9167         return NULL;
9168 }
9169
9170
9171 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
9172                                            char *buf, size_t *resp_len)
9173 {
9174         char *ret;
9175
9176         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
9177         if (ret)
9178                 return ret;
9179
9180         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
9181         if (ret)
9182                 return ret;
9183
9184         return NULL;
9185 }
9186
9187
9188 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
9189 {
9190         char *value;
9191
9192         value = os_strchr(cmd, ' ');
9193         if (value == NULL)
9194                 return -1;
9195         *value++ = '\0';
9196
9197         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
9198
9199 #ifdef CONFIG_WIFI_DISPLAY
9200         if (os_strcasecmp(cmd, "wifi_display") == 0) {
9201                 wifi_display_enable(global, !!atoi(value));
9202                 return 0;
9203         }
9204 #endif /* CONFIG_WIFI_DISPLAY */
9205
9206         /* Restore cmd to its original value to allow redirection */
9207         value[-1] = ' ';
9208
9209         return -1;
9210 }
9211
9212
9213 static int wpas_global_ctrl_iface_dup_network(struct wpa_global *global,
9214                                               char *cmd)
9215 {
9216         struct wpa_supplicant *wpa_s[2]; /* src, dst */
9217         char *p;
9218         unsigned int i;
9219
9220         /* cmd: "<src ifname> <dst ifname> <src network id> <dst network id>
9221          * <variable name> */
9222
9223         for (i = 0; i < ARRAY_SIZE(wpa_s) ; i++) {
9224                 p = os_strchr(cmd, ' ');
9225                 if (p == NULL)
9226                         return -1;
9227                 *p = '\0';
9228
9229                 wpa_s[i] = global->ifaces;
9230                 for (; wpa_s[i]; wpa_s[i] = wpa_s[i]->next) {
9231                         if (os_strcmp(cmd, wpa_s[i]->ifname) == 0)
9232                                 break;
9233                 }
9234
9235                 if (!wpa_s[i]) {
9236                         wpa_printf(MSG_DEBUG,
9237                                    "CTRL_IFACE: Could not find iface=%s", cmd);
9238                         return -1;
9239                 }
9240
9241                 cmd = p + 1;
9242         }
9243
9244         return wpa_supplicant_ctrl_iface_dup_network(wpa_s[0], cmd, wpa_s[1]);
9245 }
9246
9247
9248 #ifndef CONFIG_NO_CONFIG_WRITE
9249 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
9250 {
9251         int ret = 0, saved = 0;
9252         struct wpa_supplicant *wpa_s;
9253
9254         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9255                 if (!wpa_s->conf->update_config) {
9256                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
9257                         continue;
9258                 }
9259
9260                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
9261                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
9262                         ret = 1;
9263                 } else {
9264                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
9265                         saved++;
9266                 }
9267         }
9268
9269         if (!saved && !ret) {
9270                 wpa_dbg(wpa_s, MSG_DEBUG,
9271                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
9272                 ret = 1;
9273         }
9274
9275         return ret;
9276 }
9277 #endif /* CONFIG_NO_CONFIG_WRITE */
9278
9279
9280 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
9281                                          char *buf, size_t buflen)
9282 {
9283         char *pos, *end;
9284         int ret;
9285         struct wpa_supplicant *wpa_s;
9286
9287         pos = buf;
9288         end = buf + buflen;
9289
9290 #ifdef CONFIG_P2P
9291         if (global->p2p && !global->p2p_disabled) {
9292                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
9293                                   "\n"
9294                                   "p2p_state=%s\n",
9295                                   MAC2STR(global->p2p_dev_addr),
9296                                   p2p_get_state_txt(global->p2p));
9297                 if (os_snprintf_error(end - pos, ret))
9298                         return pos - buf;
9299                 pos += ret;
9300         } else if (global->p2p) {
9301                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
9302                 if (os_snprintf_error(end - pos, ret))
9303                         return pos - buf;
9304                 pos += ret;
9305         }
9306 #endif /* CONFIG_P2P */
9307
9308 #ifdef CONFIG_WIFI_DISPLAY
9309         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
9310                           !!global->wifi_display);
9311         if (os_snprintf_error(end - pos, ret))
9312                 return pos - buf;
9313         pos += ret;
9314 #endif /* CONFIG_WIFI_DISPLAY */
9315
9316         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9317                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
9318                                   "address=" MACSTR "\n",
9319                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
9320                 if (os_snprintf_error(end - pos, ret))
9321                         return pos - buf;
9322                 pos += ret;
9323         }
9324
9325         return pos - buf;
9326 }
9327
9328
9329 #ifdef CONFIG_FST
9330
9331 static int wpas_global_ctrl_iface_fst_attach(struct wpa_global *global,
9332                                              char *cmd, char *buf,
9333                                              size_t reply_size)
9334 {
9335         char ifname[IFNAMSIZ + 1];
9336         struct fst_iface_cfg cfg;
9337         struct wpa_supplicant *wpa_s;
9338         struct fst_wpa_obj iface_obj;
9339
9340         if (!fst_parse_attach_command(cmd, ifname, sizeof(ifname), &cfg)) {
9341                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9342                 if (wpa_s) {
9343                         if (wpa_s->fst) {
9344                                 wpa_printf(MSG_INFO, "FST: Already attached");
9345                                 return -1;
9346                         }
9347                         fst_wpa_supplicant_fill_iface_obj(wpa_s, &iface_obj);
9348                         wpa_s->fst = fst_attach(ifname, wpa_s->own_addr,
9349                                                 &iface_obj, &cfg);
9350                         if (wpa_s->fst)
9351                                 return os_snprintf(buf, reply_size, "OK\n");
9352                 }
9353         }
9354
9355         return -1;
9356 }
9357
9358
9359 static int wpas_global_ctrl_iface_fst_detach(struct wpa_global *global,
9360                                              char *cmd, char *buf,
9361                                              size_t reply_size)
9362 {
9363         char ifname[IFNAMSIZ + 1];
9364         struct wpa_supplicant *wpa_s;
9365
9366         if (!fst_parse_detach_command(cmd, ifname, sizeof(ifname))) {
9367                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9368                 if (wpa_s) {
9369                         if (!fst_iface_detach(ifname)) {
9370                                 wpa_s->fst = NULL;
9371                                 return os_snprintf(buf, reply_size, "OK\n");
9372                         }
9373                 }
9374         }
9375
9376         return -1;
9377 }
9378
9379 #endif /* CONFIG_FST */
9380
9381
9382 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
9383                                                 char *buf, size_t *resp_len)
9384 {
9385         char *reply;
9386         const int reply_size = 2048;
9387         int reply_len;
9388         int level = MSG_DEBUG;
9389
9390         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
9391                 char *pos = os_strchr(buf + 7, ' ');
9392                 if (pos) {
9393                         *pos++ = '\0';
9394                         return wpas_global_ctrl_iface_ifname(global,
9395                                                              buf + 7, pos,
9396                                                              resp_len);
9397                 }
9398         }
9399
9400         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
9401         if (reply)
9402                 return reply;
9403
9404         if (os_strcmp(buf, "PING") == 0)
9405                 level = MSG_EXCESSIVE;
9406         wpa_hexdump_ascii(level, "RX global ctrl_iface",
9407                           (const u8 *) buf, os_strlen(buf));
9408
9409         reply = os_malloc(reply_size);
9410         if (reply == NULL) {
9411                 *resp_len = 1;
9412                 return NULL;
9413         }
9414
9415         os_memcpy(reply, "OK\n", 3);
9416         reply_len = 3;
9417
9418         if (os_strcmp(buf, "PING") == 0) {
9419                 os_memcpy(reply, "PONG\n", 5);
9420                 reply_len = 5;
9421         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
9422                 if (wpa_supplicant_global_iface_add(global, buf + 14))
9423                         reply_len = -1;
9424         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
9425                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
9426                         reply_len = -1;
9427         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
9428                 reply_len = wpa_supplicant_global_iface_list(
9429                         global, reply, reply_size);
9430         } else if (os_strcmp(buf, "INTERFACES") == 0) {
9431                 reply_len = wpa_supplicant_global_iface_interfaces(
9432                         global, reply, reply_size);
9433 #ifdef CONFIG_FST
9434         } else if (os_strncmp(buf, "FST-ATTACH ", 11) == 0) {
9435                 reply_len = wpas_global_ctrl_iface_fst_attach(global, buf + 11,
9436                                                               reply,
9437                                                               reply_size);
9438         } else if (os_strncmp(buf, "FST-DETACH ", 11) == 0) {
9439                 reply_len = wpas_global_ctrl_iface_fst_detach(global, buf + 11,
9440                                                               reply,
9441                                                               reply_size);
9442         } else if (os_strncmp(buf, "FST-MANAGER ", 12) == 0) {
9443                 reply_len = fst_ctrl_iface_receive(buf + 12, reply, reply_size);
9444 #endif /* CONFIG_FST */
9445         } else if (os_strcmp(buf, "TERMINATE") == 0) {
9446                 wpa_supplicant_terminate_proc(global);
9447         } else if (os_strcmp(buf, "SUSPEND") == 0) {
9448                 wpas_notify_suspend(global);
9449         } else if (os_strcmp(buf, "RESUME") == 0) {
9450                 wpas_notify_resume(global);
9451         } else if (os_strncmp(buf, "SET ", 4) == 0) {
9452                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
9453 #ifdef CONFIG_P2P
9454                         if (global->p2p_init_wpa_s) {
9455                                 os_free(reply);
9456                                 /* Check if P2P redirection would work for this
9457                                  * command. */
9458                                 return wpa_supplicant_ctrl_iface_process(
9459                                         global->p2p_init_wpa_s,
9460                                         buf, resp_len);
9461                         }
9462 #endif /* CONFIG_P2P */
9463                         reply_len = -1;
9464                 }
9465         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
9466                 if (wpas_global_ctrl_iface_dup_network(global, buf + 12))
9467                         reply_len = -1;
9468 #ifndef CONFIG_NO_CONFIG_WRITE
9469         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
9470                 if (wpas_global_ctrl_iface_save_config(global))
9471                         reply_len = -1;
9472 #endif /* CONFIG_NO_CONFIG_WRITE */
9473         } else if (os_strcmp(buf, "STATUS") == 0) {
9474                 reply_len = wpas_global_ctrl_iface_status(global, reply,
9475                                                           reply_size);
9476 #ifdef CONFIG_MODULE_TESTS
9477         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
9478                 int wpas_module_tests(void);
9479                 if (wpas_module_tests() < 0)
9480                         reply_len = -1;
9481 #endif /* CONFIG_MODULE_TESTS */
9482         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
9483                 if (wpa_debug_reopen_file() < 0)
9484                         reply_len = -1;
9485         } else {
9486                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
9487                 reply_len = 16;
9488         }
9489
9490         if (reply_len < 0) {
9491                 os_memcpy(reply, "FAIL\n", 5);
9492                 reply_len = 5;
9493         }
9494
9495         *resp_len = reply_len;
9496         return reply;
9497 }