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         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3965                    field);
3966
3967         return -1;
3968 }
3969
3970
3971 #ifdef CONFIG_INTERWORKING
3972 static char * anqp_add_hex(char *pos, char *end, const char *title,
3973                            struct wpabuf *data)
3974 {
3975         char *start = pos;
3976         size_t i;
3977         int ret;
3978         const u8 *d;
3979
3980         if (data == NULL)
3981                 return start;
3982
3983         ret = os_snprintf(pos, end - pos, "%s=", title);
3984         if (os_snprintf_error(end - pos, ret))
3985                 return start;
3986         pos += ret;
3987
3988         d = wpabuf_head_u8(data);
3989         for (i = 0; i < wpabuf_len(data); i++) {
3990                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3991                 if (os_snprintf_error(end - pos, ret))
3992                         return start;
3993                 pos += ret;
3994         }
3995
3996         ret = os_snprintf(pos, end - pos, "\n");
3997         if (os_snprintf_error(end - pos, ret))
3998                 return start;
3999         pos += ret;
4000
4001         return pos;
4002 }
4003 #endif /* CONFIG_INTERWORKING */
4004
4005
4006 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
4007                           unsigned long mask, char *buf, size_t buflen)
4008 {
4009         size_t i;
4010         int ret;
4011         char *pos, *end;
4012         const u8 *ie, *ie2, *osen_ie;
4013
4014         pos = buf;
4015         end = buf + buflen;
4016
4017         if (mask & WPA_BSS_MASK_ID) {
4018                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
4019                 if (os_snprintf_error(end - pos, ret))
4020                         return 0;
4021                 pos += ret;
4022         }
4023
4024         if (mask & WPA_BSS_MASK_BSSID) {
4025                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
4026                                   MAC2STR(bss->bssid));
4027                 if (os_snprintf_error(end - pos, ret))
4028                         return 0;
4029                 pos += ret;
4030         }
4031
4032         if (mask & WPA_BSS_MASK_FREQ) {
4033                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
4034                 if (os_snprintf_error(end - pos, ret))
4035                         return 0;
4036                 pos += ret;
4037         }
4038
4039         if (mask & WPA_BSS_MASK_BEACON_INT) {
4040                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
4041                                   bss->beacon_int);
4042                 if (os_snprintf_error(end - pos, ret))
4043                         return 0;
4044                 pos += ret;
4045         }
4046
4047         if (mask & WPA_BSS_MASK_CAPABILITIES) {
4048                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
4049                                   bss->caps);
4050                 if (os_snprintf_error(end - pos, ret))
4051                         return 0;
4052                 pos += ret;
4053         }
4054
4055         if (mask & WPA_BSS_MASK_QUAL) {
4056                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
4057                 if (os_snprintf_error(end - pos, ret))
4058                         return 0;
4059                 pos += ret;
4060         }
4061
4062         if (mask & WPA_BSS_MASK_NOISE) {
4063                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
4064                 if (os_snprintf_error(end - pos, ret))
4065                         return 0;
4066                 pos += ret;
4067         }
4068
4069         if (mask & WPA_BSS_MASK_LEVEL) {
4070                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
4071                 if (os_snprintf_error(end - pos, ret))
4072                         return 0;
4073                 pos += ret;
4074         }
4075
4076         if (mask & WPA_BSS_MASK_TSF) {
4077                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
4078                                   (unsigned long long) bss->tsf);
4079                 if (os_snprintf_error(end - pos, ret))
4080                         return 0;
4081                 pos += ret;
4082         }
4083
4084         if (mask & WPA_BSS_MASK_AGE) {
4085                 struct os_reltime now;
4086
4087                 os_get_reltime(&now);
4088                 ret = os_snprintf(pos, end - pos, "age=%d\n",
4089                                   (int) (now.sec - bss->last_update.sec));
4090                 if (os_snprintf_error(end - pos, ret))
4091                         return 0;
4092                 pos += ret;
4093         }
4094
4095         if (mask & WPA_BSS_MASK_IE) {
4096                 ret = os_snprintf(pos, end - pos, "ie=");
4097                 if (os_snprintf_error(end - pos, ret))
4098                         return 0;
4099                 pos += ret;
4100
4101                 ie = (const u8 *) (bss + 1);
4102                 for (i = 0; i < bss->ie_len; i++) {
4103                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4104                         if (os_snprintf_error(end - pos, ret))
4105                                 return 0;
4106                         pos += ret;
4107                 }
4108
4109                 ret = os_snprintf(pos, end - pos, "\n");
4110                 if (os_snprintf_error(end - pos, ret))
4111                         return 0;
4112                 pos += ret;
4113         }
4114
4115         if (mask & WPA_BSS_MASK_FLAGS) {
4116                 ret = os_snprintf(pos, end - pos, "flags=");
4117                 if (os_snprintf_error(end - pos, ret))
4118                         return 0;
4119                 pos += ret;
4120
4121                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
4122                 if (ie)
4123                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
4124                                                     2 + ie[1]);
4125                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4126                 if (ie2)
4127                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
4128                                                     2 + ie2[1]);
4129                 osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
4130                 if (osen_ie)
4131                         pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
4132                                                     osen_ie, 2 + osen_ie[1]);
4133                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
4134                 if (!ie && !ie2 && !osen_ie &&
4135                     (bss->caps & IEEE80211_CAP_PRIVACY)) {
4136                         ret = os_snprintf(pos, end - pos, "[WEP]");
4137                         if (os_snprintf_error(end - pos, ret))
4138                                 return 0;
4139                         pos += ret;
4140                 }
4141                 if (bss_is_dmg(bss)) {
4142                         const char *s;
4143                         ret = os_snprintf(pos, end - pos, "[DMG]");
4144                         if (os_snprintf_error(end - pos, ret))
4145                                 return 0;
4146                         pos += ret;
4147                         switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
4148                         case IEEE80211_CAP_DMG_IBSS:
4149                                 s = "[IBSS]";
4150                                 break;
4151                         case IEEE80211_CAP_DMG_AP:
4152                                 s = "[ESS]";
4153                                 break;
4154                         case IEEE80211_CAP_DMG_PBSS:
4155                                 s = "[PBSS]";
4156                                 break;
4157                         default:
4158                                 s = "";
4159                                 break;
4160                         }
4161                         ret = os_snprintf(pos, end - pos, "%s", s);
4162                         if (os_snprintf_error(end - pos, ret))
4163                                 return 0;
4164                         pos += ret;
4165                 } else {
4166                         if (bss->caps & IEEE80211_CAP_IBSS) {
4167                                 ret = os_snprintf(pos, end - pos, "[IBSS]");
4168                                 if (os_snprintf_error(end - pos, ret))
4169                                         return 0;
4170                                 pos += ret;
4171                         }
4172                         if (bss->caps & IEEE80211_CAP_ESS) {
4173                                 ret = os_snprintf(pos, end - pos, "[ESS]");
4174                                 if (os_snprintf_error(end - pos, ret))
4175                                         return 0;
4176                                 pos += ret;
4177                         }
4178                 }
4179                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
4180                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
4181                         ret = os_snprintf(pos, end - pos, "[P2P]");
4182                         if (os_snprintf_error(end - pos, ret))
4183                                 return 0;
4184                         pos += ret;
4185                 }
4186 #ifdef CONFIG_HS20
4187                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
4188                         ret = os_snprintf(pos, end - pos, "[HS20]");
4189                         if (os_snprintf_error(end - pos, ret))
4190                                 return 0;
4191                         pos += ret;
4192                 }
4193 #endif /* CONFIG_HS20 */
4194
4195                 ret = os_snprintf(pos, end - pos, "\n");
4196                 if (os_snprintf_error(end - pos, ret))
4197                         return 0;
4198                 pos += ret;
4199         }
4200
4201         if (mask & WPA_BSS_MASK_SSID) {
4202                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
4203                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
4204                 if (os_snprintf_error(end - pos, ret))
4205                         return 0;
4206                 pos += ret;
4207         }
4208
4209 #ifdef CONFIG_WPS
4210         if (mask & WPA_BSS_MASK_WPS_SCAN) {
4211                 ie = (const u8 *) (bss + 1);
4212                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
4213                 if (ret < 0 || ret >= end - pos)
4214                         return 0;
4215                 pos += ret;
4216         }
4217 #endif /* CONFIG_WPS */
4218
4219 #ifdef CONFIG_P2P
4220         if (mask & WPA_BSS_MASK_P2P_SCAN) {
4221                 ie = (const u8 *) (bss + 1);
4222                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
4223                 if (ret < 0 || ret >= end - pos)
4224                         return 0;
4225                 pos += ret;
4226         }
4227 #endif /* CONFIG_P2P */
4228
4229 #ifdef CONFIG_WIFI_DISPLAY
4230         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
4231                 struct wpabuf *wfd;
4232                 ie = (const u8 *) (bss + 1);
4233                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
4234                                                   WFD_IE_VENDOR_TYPE);
4235                 if (wfd) {
4236                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
4237                         if (os_snprintf_error(end - pos, ret)) {
4238                                 wpabuf_free(wfd);
4239                                 return 0;
4240                         }
4241                         pos += ret;
4242
4243                         pos += wpa_snprintf_hex(pos, end - pos,
4244                                                 wpabuf_head(wfd),
4245                                                 wpabuf_len(wfd));
4246                         wpabuf_free(wfd);
4247
4248                         ret = os_snprintf(pos, end - pos, "\n");
4249                         if (os_snprintf_error(end - pos, ret))
4250                                 return 0;
4251                         pos += ret;
4252                 }
4253         }
4254 #endif /* CONFIG_WIFI_DISPLAY */
4255
4256 #ifdef CONFIG_INTERWORKING
4257         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
4258                 struct wpa_bss_anqp *anqp = bss->anqp;
4259                 pos = anqp_add_hex(pos, end, "anqp_capability_list",
4260                                    anqp->capability_list);
4261                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
4262                                    anqp->venue_name);
4263                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4264                                    anqp->network_auth_type);
4265                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4266                                    anqp->roaming_consortium);
4267                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4268                                    anqp->ip_addr_type_availability);
4269                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4270                                    anqp->nai_realm);
4271                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4272                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
4273                                    anqp->domain_name);
4274 #ifdef CONFIG_HS20
4275                 pos = anqp_add_hex(pos, end, "hs20_capability_list",
4276                                    anqp->hs20_capability_list);
4277                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4278                                    anqp->hs20_operator_friendly_name);
4279                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4280                                    anqp->hs20_wan_metrics);
4281                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4282                                    anqp->hs20_connection_capability);
4283                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
4284                                    anqp->hs20_operating_class);
4285                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4286                                    anqp->hs20_osu_providers_list);
4287 #endif /* CONFIG_HS20 */
4288         }
4289 #endif /* CONFIG_INTERWORKING */
4290
4291 #ifdef CONFIG_MESH
4292         if (mask & WPA_BSS_MASK_MESH_SCAN) {
4293                 ie = (const u8 *) (bss + 1);
4294                 ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4295                 if (ret < 0 || ret >= end - pos)
4296                         return 0;
4297                 pos += ret;
4298         }
4299 #endif /* CONFIG_MESH */
4300
4301         if (mask & WPA_BSS_MASK_SNR) {
4302                 ret = os_snprintf(pos, end - pos, "snr=%d\n", bss->snr);
4303                 if (os_snprintf_error(end - pos, ret))
4304                         return 0;
4305                 pos += ret;
4306         }
4307
4308         if (mask & WPA_BSS_MASK_EST_THROUGHPUT) {
4309                 ret = os_snprintf(pos, end - pos, "est_throughput=%d\n",
4310                                   bss->est_throughput);
4311                 if (os_snprintf_error(end - pos, ret))
4312                         return 0;
4313                 pos += ret;
4314         }
4315
4316 #ifdef CONFIG_FST
4317         if (mask & WPA_BSS_MASK_FST) {
4318                 ret = fst_ctrl_iface_mb_info(bss->bssid, pos, end - pos);
4319                 if (ret < 0 || ret >= end - pos)
4320                         return 0;
4321                 pos += ret;
4322         }
4323 #endif /* CONFIG_FST */
4324
4325         if (mask & WPA_BSS_MASK_DELIM) {
4326                 ret = os_snprintf(pos, end - pos, "====\n");
4327                 if (os_snprintf_error(end - pos, ret))
4328                         return 0;
4329                 pos += ret;
4330         }
4331
4332         return pos - buf;
4333 }
4334
4335
4336 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
4337                                          const char *cmd, char *buf,
4338                                          size_t buflen)
4339 {
4340         u8 bssid[ETH_ALEN];
4341         size_t i;
4342         struct wpa_bss *bss;
4343         struct wpa_bss *bsslast = NULL;
4344         struct dl_list *next;
4345         int ret = 0;
4346         int len;
4347         char *ctmp, *end = buf + buflen;
4348         unsigned long mask = WPA_BSS_MASK_ALL;
4349
4350         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
4351                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
4352                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
4353                                             list_id);
4354                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
4355                                                list_id);
4356                 } else { /* N1-N2 */
4357                         unsigned int id1, id2;
4358
4359                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
4360                                 wpa_printf(MSG_INFO, "Wrong BSS range "
4361                                            "format");
4362                                 return 0;
4363                         }
4364
4365                         if (*(cmd + 6) == '-')
4366                                 id1 = 0;
4367                         else
4368                                 id1 = atoi(cmd + 6);
4369                         ctmp++;
4370                         if (*ctmp >= '0' && *ctmp <= '9')
4371                                 id2 = atoi(ctmp);
4372                         else
4373                                 id2 = (unsigned int) -1;
4374                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4375                         if (id2 == (unsigned int) -1)
4376                                 bsslast = dl_list_last(&wpa_s->bss_id,
4377                                                        struct wpa_bss,
4378                                                        list_id);
4379                         else {
4380                                 bsslast = wpa_bss_get_id(wpa_s, id2);
4381                                 if (bsslast == NULL && bss && id2 > id1) {
4382                                         struct wpa_bss *tmp = bss;
4383                                         for (;;) {
4384                                                 next = tmp->list_id.next;
4385                                                 if (next == &wpa_s->bss_id)
4386                                                         break;
4387                                                 tmp = dl_list_entry(
4388                                                         next, struct wpa_bss,
4389                                                         list_id);
4390                                                 if (tmp->id > id2)
4391                                                         break;
4392                                                 bsslast = tmp;
4393                                         }
4394                                 }
4395                         }
4396                 }
4397         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
4398                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4399         else if (os_strncmp(cmd, "LAST", 4) == 0)
4400                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4401         else if (os_strncmp(cmd, "ID-", 3) == 0) {
4402                 i = atoi(cmd + 3);
4403                 bss = wpa_bss_get_id(wpa_s, i);
4404         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4405                 i = atoi(cmd + 5);
4406                 bss = wpa_bss_get_id(wpa_s, i);
4407                 if (bss) {
4408                         next = bss->list_id.next;
4409                         if (next == &wpa_s->bss_id)
4410                                 bss = NULL;
4411                         else
4412                                 bss = dl_list_entry(next, struct wpa_bss,
4413                                                     list_id);
4414                 }
4415 #ifdef CONFIG_P2P
4416         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4417                 if (hwaddr_aton(cmd + 13, bssid) == 0)
4418                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4419                 else
4420                         bss = NULL;
4421 #endif /* CONFIG_P2P */
4422         } else if (hwaddr_aton(cmd, bssid) == 0)
4423                 bss = wpa_bss_get_bssid(wpa_s, bssid);
4424         else {
4425                 struct wpa_bss *tmp;
4426                 i = atoi(cmd);
4427                 bss = NULL;
4428                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4429                 {
4430                         if (i-- == 0) {
4431                                 bss = tmp;
4432                                 break;
4433                         }
4434                 }
4435         }
4436
4437         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4438                 mask = strtoul(ctmp + 5, NULL, 0x10);
4439                 if (mask == 0)
4440                         mask = WPA_BSS_MASK_ALL;
4441         }
4442
4443         if (bss == NULL)
4444                 return 0;
4445
4446         if (bsslast == NULL)
4447                 bsslast = bss;
4448         do {
4449                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4450                 ret += len;
4451                 buf += len;
4452                 buflen -= len;
4453                 if (bss == bsslast) {
4454                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
4455                             (bss == dl_list_last(&wpa_s->bss_id,
4456                                                  struct wpa_bss, list_id))) {
4457                                 int res;
4458
4459                                 res = os_snprintf(buf - 5, end - buf + 5,
4460                                                   "####\n");
4461                                 if (os_snprintf_error(end - buf + 5, res)) {
4462                                         wpa_printf(MSG_DEBUG,
4463                                                    "Could not add end delim");
4464                                 }
4465                         }
4466                         break;
4467                 }
4468                 next = bss->list_id.next;
4469                 if (next == &wpa_s->bss_id)
4470                         break;
4471                 bss = dl_list_entry(next, struct wpa_bss, list_id);
4472         } while (bss && len);
4473
4474         return ret;
4475 }
4476
4477
4478 static int wpa_supplicant_ctrl_iface_ap_scan(
4479         struct wpa_supplicant *wpa_s, char *cmd)
4480 {
4481         int ap_scan = atoi(cmd);
4482         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4483 }
4484
4485
4486 static int wpa_supplicant_ctrl_iface_scan_interval(
4487         struct wpa_supplicant *wpa_s, char *cmd)
4488 {
4489         int scan_int = atoi(cmd);
4490         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4491 }
4492
4493
4494 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4495         struct wpa_supplicant *wpa_s, char *cmd)
4496 {
4497         int expire_age = atoi(cmd);
4498         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4499 }
4500
4501
4502 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4503         struct wpa_supplicant *wpa_s, char *cmd)
4504 {
4505         int expire_count = atoi(cmd);
4506         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4507 }
4508
4509
4510 static void wpa_supplicant_ctrl_iface_bss_flush(
4511         struct wpa_supplicant *wpa_s, char *cmd)
4512 {
4513         int flush_age = atoi(cmd);
4514
4515         if (flush_age == 0)
4516                 wpa_bss_flush(wpa_s);
4517         else
4518                 wpa_bss_flush_by_age(wpa_s, flush_age);
4519 }
4520
4521
4522 #ifdef CONFIG_TESTING_OPTIONS
4523 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4524 {
4525         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4526         /* MLME-DELETEKEYS.request */
4527         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4528         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4529         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4530         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4531 #ifdef CONFIG_IEEE80211W
4532         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4533         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4534 #endif /* CONFIG_IEEE80211W */
4535
4536         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4537                         0);
4538         /* MLME-SETPROTECTION.request(None) */
4539         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4540                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4541                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4542         wpa_sm_drop_sa(wpa_s->wpa);
4543 }
4544 #endif /* CONFIG_TESTING_OPTIONS */
4545
4546
4547 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4548                                           char *addr)
4549 {
4550 #ifdef CONFIG_NO_SCAN_PROCESSING
4551         return -1;
4552 #else /* CONFIG_NO_SCAN_PROCESSING */
4553         u8 bssid[ETH_ALEN];
4554         struct wpa_bss *bss;
4555         struct wpa_ssid *ssid = wpa_s->current_ssid;
4556
4557         if (hwaddr_aton(addr, bssid)) {
4558                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4559                            "address '%s'", addr);
4560                 return -1;
4561         }
4562
4563         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4564
4565         if (!ssid) {
4566                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4567                            "configuration known for the target AP");
4568                 return -1;
4569         }
4570
4571         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4572         if (!bss) {
4573                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4574                            "from BSS table");
4575                 return -1;
4576         }
4577
4578         /*
4579          * TODO: Find best network configuration block from configuration to
4580          * allow roaming to other networks
4581          */
4582
4583         wpa_s->reassociate = 1;
4584         wpa_supplicant_connect(wpa_s, bss, ssid);
4585
4586         return 0;
4587 #endif /* CONFIG_NO_SCAN_PROCESSING */
4588 }
4589
4590
4591 #ifdef CONFIG_P2P
4592 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4593 {
4594         unsigned int timeout = atoi(cmd);
4595         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4596         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4597         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4598         char *pos;
4599         unsigned int search_delay;
4600         const char *_seek[P2P_MAX_QUERY_HASH + 1], **seek = NULL;
4601         u8 seek_count = 0;
4602         int freq = 0;
4603
4604         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4605                 wpa_dbg(wpa_s, MSG_INFO,
4606                         "Reject P2P_FIND since interface is disabled");
4607                 return -1;
4608         }
4609         if (os_strstr(cmd, "type=social"))
4610                 type = P2P_FIND_ONLY_SOCIAL;
4611         else if (os_strstr(cmd, "type=progressive"))
4612                 type = P2P_FIND_PROGRESSIVE;
4613
4614         pos = os_strstr(cmd, "dev_id=");
4615         if (pos) {
4616                 pos += 7;
4617                 if (hwaddr_aton(pos, dev_id))
4618                         return -1;
4619                 _dev_id = dev_id;
4620         }
4621
4622         pos = os_strstr(cmd, "dev_type=");
4623         if (pos) {
4624                 pos += 9;
4625                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4626                         return -1;
4627                 _dev_type = dev_type;
4628         }
4629
4630         pos = os_strstr(cmd, "delay=");
4631         if (pos) {
4632                 pos += 6;
4633                 search_delay = atoi(pos);
4634         } else
4635                 search_delay = wpas_p2p_search_delay(wpa_s);
4636
4637         pos = os_strstr(cmd, "freq=");
4638         if (pos) {
4639                 pos += 5;
4640                 freq = atoi(pos);
4641                 if (freq <= 0)
4642                         return -1;
4643         }
4644
4645         /* Must be searched for last, because it adds nul termination */
4646         pos = os_strstr(cmd, " seek=");
4647         if (pos)
4648                 pos += 6;
4649         while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
4650                 char *term;
4651
4652                 _seek[seek_count++] = pos;
4653                 seek = _seek;
4654                 term = os_strchr(pos, ' ');
4655                 if (!term)
4656                         break;
4657                 *term = '\0';
4658                 pos = os_strstr(term + 1, "seek=");
4659                 if (pos)
4660                         pos += 5;
4661         }
4662         if (seek_count > P2P_MAX_QUERY_HASH) {
4663                 seek[0] = NULL;
4664                 seek_count = 1;
4665         }
4666
4667         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4668                              _dev_id, search_delay, seek_count, seek, freq);
4669 }
4670
4671
4672 static int p2ps_ctrl_parse_cpt_priority(const char *pos, u8 *cpt)
4673 {
4674         const char *last = NULL;
4675         const char *token;
4676         long int token_len;
4677         unsigned int i;
4678
4679         /* Expected predefined CPT names delimited by ':' */
4680         for (i = 0; (token = cstr_token(pos, ": \t", &last)); i++) {
4681                 if (i >= P2PS_FEATURE_CAPAB_CPT_MAX) {
4682                         wpa_printf(MSG_ERROR,
4683                                    "P2PS: CPT name list is too long, expected up to %d names",
4684                                    P2PS_FEATURE_CAPAB_CPT_MAX);
4685                         cpt[0] = 0;
4686                         return -1;
4687                 }
4688
4689                 token_len = last - token;
4690
4691                 if (token_len  == 3 &&
4692                     os_memcmp(token, "UDP", token_len) == 0) {
4693                         cpt[i] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4694                 } else if (token_len == 3 &&
4695                            os_memcmp(token, "MAC", token_len) == 0) {
4696                         cpt[i] = P2PS_FEATURE_CAPAB_MAC_TRANSPORT;
4697                 } else {
4698                         wpa_printf(MSG_ERROR,
4699                                    "P2PS: Unsupported CPT name '%s'", token);
4700                         cpt[0] = 0;
4701                         return -1;
4702                 }
4703
4704                 if (isblank(*last)) {
4705                         i++;
4706                         break;
4707                 }
4708         }
4709         cpt[i] = 0;
4710         return 0;
4711 }
4712
4713
4714 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
4715 {
4716         struct p2ps_provision *p2ps_prov;
4717         char *pos;
4718         size_t info_len = 0;
4719         char *info = NULL;
4720         u8 role = P2PS_SETUP_NONE;
4721         long long unsigned val;
4722         int i;
4723
4724         pos = os_strstr(cmd, "info=");
4725         if (pos) {
4726                 pos += 5;
4727                 info_len = os_strlen(pos);
4728
4729                 if (info_len) {
4730                         info = os_malloc(info_len + 1);
4731                         if (info) {
4732                                 info_len = utf8_unescape(pos, info_len,
4733                                                          info, info_len + 1);
4734                         } else
4735                                 info_len = 0;
4736                 }
4737         }
4738
4739         p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
4740         if (p2ps_prov == NULL) {
4741                 os_free(info);
4742                 return NULL;
4743         }
4744
4745         if (info) {
4746                 os_memcpy(p2ps_prov->info, info, info_len);
4747                 p2ps_prov->info[info_len] = '\0';
4748                 os_free(info);
4749         }
4750
4751         pos = os_strstr(cmd, "status=");
4752         if (pos)
4753                 p2ps_prov->status = atoi(pos + 7);
4754         else
4755                 p2ps_prov->status = -1;
4756
4757         pos = os_strstr(cmd, "adv_id=");
4758         if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
4759                 goto invalid_args;
4760         p2ps_prov->adv_id = val;
4761
4762         pos = os_strstr(cmd, "method=");
4763         if (pos)
4764                 p2ps_prov->method = strtol(pos + 7, NULL, 16);
4765         else
4766                 p2ps_prov->method = 0;
4767
4768         pos = os_strstr(cmd, "session=");
4769         if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
4770                 goto invalid_args;
4771         p2ps_prov->session_id = val;
4772
4773         pos = os_strstr(cmd, "adv_mac=");
4774         if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
4775                 goto invalid_args;
4776
4777         pos = os_strstr(cmd, "session_mac=");
4778         if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
4779                 goto invalid_args;
4780
4781         pos = os_strstr(cmd, "cpt=");
4782         if (pos) {
4783                 if (p2ps_ctrl_parse_cpt_priority(pos + 4,
4784                                                  p2ps_prov->cpt_priority))
4785                         goto invalid_args;
4786         } else {
4787                 p2ps_prov->cpt_priority[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4788         }
4789
4790         for (i = 0; p2ps_prov->cpt_priority[i]; i++)
4791                 p2ps_prov->cpt_mask |= p2ps_prov->cpt_priority[i];
4792
4793         /* force conncap with tstCap (no sanity checks) */
4794         pos = os_strstr(cmd, "tstCap=");
4795         if (pos) {
4796                 role = strtol(pos + 7, NULL, 16);
4797         } else {
4798                 pos = os_strstr(cmd, "role=");
4799                 if (pos) {
4800                         role = strtol(pos + 5, NULL, 16);
4801                         if (role != P2PS_SETUP_CLIENT &&
4802                             role != P2PS_SETUP_GROUP_OWNER)
4803                                 role = P2PS_SETUP_NONE;
4804                 }
4805         }
4806         p2ps_prov->role = role;
4807
4808         return p2ps_prov;
4809
4810 invalid_args:
4811         os_free(p2ps_prov);
4812         return NULL;
4813 }
4814
4815
4816 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
4817 {
4818         u8 addr[ETH_ALEN];
4819         struct p2ps_provision *p2ps_prov;
4820         char *pos;
4821
4822         /* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
4823
4824         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4825
4826         if (hwaddr_aton(cmd, addr))
4827                 return -1;
4828
4829         pos = cmd + 17;
4830         if (*pos != ' ')
4831                 return -1;
4832
4833         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4834         if (!p2ps_prov)
4835                 return -1;
4836
4837         if (p2ps_prov->status < 0) {
4838                 os_free(p2ps_prov);
4839                 return -1;
4840         }
4841
4842         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4843                                   p2ps_prov);
4844 }
4845
4846
4847 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
4848 {
4849         u8 addr[ETH_ALEN];
4850         struct p2ps_provision *p2ps_prov;
4851         char *pos;
4852
4853         /* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
4854          *        session=<ses_id> mac=<ses_mac> [info=<infodata>]
4855          */
4856
4857         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4858         if (hwaddr_aton(cmd, addr))
4859                 return -1;
4860
4861         pos = cmd + 17;
4862         if (*pos != ' ')
4863                 return -1;
4864
4865         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4866         if (!p2ps_prov)
4867                 return -1;
4868
4869         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4870                                   p2ps_prov);
4871 }
4872
4873
4874 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4875                             char *buf, size_t buflen)
4876 {
4877         u8 addr[ETH_ALEN];
4878         char *pos, *pos2;
4879         char *pin = NULL;
4880         enum p2p_wps_method wps_method;
4881         int new_pin;
4882         int ret;
4883         int persistent_group, persistent_id = -1;
4884         int join;
4885         int auth;
4886         int automatic;
4887         int go_intent = -1;
4888         int freq = 0;
4889         int pd;
4890         int ht40, vht;
4891
4892         if (!wpa_s->global->p2p_init_wpa_s)
4893                 return -1;
4894         if (wpa_s->global->p2p_init_wpa_s != wpa_s) {
4895                 wpa_dbg(wpa_s, MSG_DEBUG, "Direct P2P_CONNECT command to %s",
4896                         wpa_s->global->p2p_init_wpa_s->ifname);
4897                 wpa_s = wpa_s->global->p2p_init_wpa_s;
4898         }
4899
4900         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
4901          * [persistent|persistent=<network id>]
4902          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4903          * [ht40] [vht] [auto] */
4904
4905         if (hwaddr_aton(cmd, addr))
4906                 return -1;
4907
4908         pos = cmd + 17;
4909         if (*pos != ' ')
4910                 return -1;
4911         pos++;
4912
4913         persistent_group = os_strstr(pos, " persistent") != NULL;
4914         pos2 = os_strstr(pos, " persistent=");
4915         if (pos2) {
4916                 struct wpa_ssid *ssid;
4917                 persistent_id = atoi(pos2 + 12);
4918                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4919                 if (ssid == NULL || ssid->disabled != 2 ||
4920                     ssid->mode != WPAS_MODE_P2P_GO) {
4921                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4922                                    "SSID id=%d for persistent P2P group (GO)",
4923                                    persistent_id);
4924                         return -1;
4925                 }
4926         }
4927         join = os_strstr(pos, " join") != NULL;
4928         auth = os_strstr(pos, " auth") != NULL;
4929         automatic = os_strstr(pos, " auto") != NULL;
4930         pd = os_strstr(pos, " provdisc") != NULL;
4931         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4932         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4933                 vht;
4934
4935         pos2 = os_strstr(pos, " go_intent=");
4936         if (pos2) {
4937                 pos2 += 11;
4938                 go_intent = atoi(pos2);
4939                 if (go_intent < 0 || go_intent > 15)
4940                         return -1;
4941         }
4942
4943         pos2 = os_strstr(pos, " freq=");
4944         if (pos2) {
4945                 pos2 += 6;
4946                 freq = atoi(pos2);
4947                 if (freq <= 0)
4948                         return -1;
4949         }
4950
4951         if (os_strncmp(pos, "pin", 3) == 0) {
4952                 /* Request random PIN (to be displayed) and enable the PIN */
4953                 wps_method = WPS_PIN_DISPLAY;
4954         } else if (os_strncmp(pos, "pbc", 3) == 0) {
4955                 wps_method = WPS_PBC;
4956         } else {
4957                 pin = pos;
4958                 pos = os_strchr(pin, ' ');
4959                 wps_method = WPS_PIN_KEYPAD;
4960                 if (pos) {
4961                         *pos++ = '\0';
4962                         if (os_strncmp(pos, "display", 7) == 0)
4963                                 wps_method = WPS_PIN_DISPLAY;
4964                         else if (os_strncmp(pos, "p2ps", 4) == 0)
4965                                 wps_method = WPS_P2PS;
4966                 }
4967                 if (!wps_pin_str_valid(pin)) {
4968                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
4969                         return 17;
4970                 }
4971         }
4972
4973         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
4974                                    persistent_group, automatic, join,
4975                                    auth, go_intent, freq, persistent_id, pd,
4976                                    ht40, vht);
4977         if (new_pin == -2) {
4978                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
4979                 return 25;
4980         }
4981         if (new_pin == -3) {
4982                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
4983                 return 25;
4984         }
4985         if (new_pin < 0)
4986                 return -1;
4987         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
4988                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
4989                 if (os_snprintf_error(buflen, ret))
4990                         return -1;
4991                 return ret;
4992         }
4993
4994         os_memcpy(buf, "OK\n", 3);
4995         return 3;
4996 }
4997
4998
4999 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
5000 {
5001         unsigned int timeout = atoi(cmd);
5002         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
5003                 wpa_dbg(wpa_s, MSG_INFO,
5004                         "Reject P2P_LISTEN since interface is disabled");
5005                 return -1;
5006         }
5007         return wpas_p2p_listen(wpa_s, timeout);
5008 }
5009
5010
5011 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
5012 {
5013         u8 addr[ETH_ALEN];
5014         char *pos;
5015         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
5016
5017         /* <addr> <config method> [join|auto] */
5018
5019         if (hwaddr_aton(cmd, addr))
5020                 return -1;
5021
5022         pos = cmd + 17;
5023         if (*pos != ' ')
5024                 return -1;
5025         pos++;
5026
5027         if (os_strstr(pos, " join") != NULL)
5028                 use = WPAS_P2P_PD_FOR_JOIN;
5029         else if (os_strstr(pos, " auto") != NULL)
5030                 use = WPAS_P2P_PD_AUTO;
5031
5032         return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
5033 }
5034
5035
5036 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
5037                               size_t buflen)
5038 {
5039         struct wpa_ssid *ssid = wpa_s->current_ssid;
5040
5041         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
5042             ssid->passphrase == NULL)
5043                 return -1;
5044
5045         os_strlcpy(buf, ssid->passphrase, buflen);
5046         return os_strlen(buf);
5047 }
5048
5049
5050 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
5051                                   char *buf, size_t buflen)
5052 {
5053         u64 ref;
5054         int res;
5055         u8 dst_buf[ETH_ALEN], *dst;
5056         struct wpabuf *tlvs;
5057         char *pos;
5058         size_t len;
5059
5060         if (hwaddr_aton(cmd, dst_buf))
5061                 return -1;
5062         dst = dst_buf;
5063         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
5064             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
5065                 dst = NULL;
5066         pos = cmd + 17;
5067         if (*pos != ' ')
5068                 return -1;
5069         pos++;
5070
5071         if (os_strncmp(pos, "upnp ", 5) == 0) {
5072                 u8 version;
5073                 pos += 5;
5074                 if (hexstr2bin(pos, &version, 1) < 0)
5075                         return -1;
5076                 pos += 2;
5077                 if (*pos != ' ')
5078                         return -1;
5079                 pos++;
5080                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
5081 #ifdef CONFIG_WIFI_DISPLAY
5082         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
5083                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
5084 #endif /* CONFIG_WIFI_DISPLAY */
5085         } else if (os_strncmp(pos, "asp ", 4) == 0) {
5086                 char *svc_str;
5087                 char *svc_info = NULL;
5088                 u32 id;
5089
5090                 pos += 4;
5091                 if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
5092                         return -1;
5093
5094                 pos = os_strchr(pos, ' ');
5095                 if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
5096                         return -1;
5097
5098                 svc_str = pos + 1;
5099
5100                 pos = os_strchr(svc_str, ' ');
5101
5102                 if (pos)
5103                         *pos++ = '\0';
5104
5105                 /* All remaining data is the svc_info string */
5106                 if (pos && pos[0] && pos[0] != ' ') {
5107                         len = os_strlen(pos);
5108
5109                         /* Unescape in place */
5110                         len = utf8_unescape(pos, len, pos, len);
5111                         if (len > 0xff)
5112                                 return -1;
5113
5114                         svc_info = pos;
5115                 }
5116
5117                 ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
5118                                               svc_str, svc_info);
5119         } else {
5120                 len = os_strlen(pos);
5121                 if (len & 1)
5122                         return -1;
5123                 len /= 2;
5124                 tlvs = wpabuf_alloc(len);
5125                 if (tlvs == NULL)
5126                         return -1;
5127                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
5128                         wpabuf_free(tlvs);
5129                         return -1;
5130                 }
5131
5132                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
5133                 wpabuf_free(tlvs);
5134         }
5135         if (ref == 0)
5136                 return -1;
5137         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
5138         if (os_snprintf_error(buflen, res))
5139                 return -1;
5140         return res;
5141 }
5142
5143
5144 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
5145                                          char *cmd)
5146 {
5147         long long unsigned val;
5148         u64 req;
5149         if (sscanf(cmd, "%llx", &val) != 1)
5150                 return -1;
5151         req = val;
5152         return wpas_p2p_sd_cancel_request(wpa_s, req);
5153 }
5154
5155
5156 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
5157 {
5158         int freq;
5159         u8 dst[ETH_ALEN];
5160         u8 dialog_token;
5161         struct wpabuf *resp_tlvs;
5162         char *pos, *pos2;
5163         size_t len;
5164
5165         pos = os_strchr(cmd, ' ');
5166         if (pos == NULL)
5167                 return -1;
5168         *pos++ = '\0';
5169         freq = atoi(cmd);
5170         if (freq == 0)
5171                 return -1;
5172
5173         if (hwaddr_aton(pos, dst))
5174                 return -1;
5175         pos += 17;
5176         if (*pos != ' ')
5177                 return -1;
5178         pos++;
5179
5180         pos2 = os_strchr(pos, ' ');
5181         if (pos2 == NULL)
5182                 return -1;
5183         *pos2++ = '\0';
5184         dialog_token = atoi(pos);
5185
5186         len = os_strlen(pos2);
5187         if (len & 1)
5188                 return -1;
5189         len /= 2;
5190         resp_tlvs = wpabuf_alloc(len);
5191         if (resp_tlvs == NULL)
5192                 return -1;
5193         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
5194                 wpabuf_free(resp_tlvs);
5195                 return -1;
5196         }
5197
5198         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
5199         wpabuf_free(resp_tlvs);
5200         return 0;
5201 }
5202
5203
5204 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
5205                                        char *cmd)
5206 {
5207         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
5208                 return -1;
5209         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
5210         return 0;
5211 }
5212
5213
5214 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
5215                                         char *cmd)
5216 {
5217         char *pos;
5218         size_t len;
5219         struct wpabuf *query, *resp;
5220
5221         pos = os_strchr(cmd, ' ');
5222         if (pos == NULL)
5223                 return -1;
5224         *pos++ = '\0';
5225
5226         len = os_strlen(cmd);
5227         if (len & 1)
5228                 return -1;
5229         len /= 2;
5230         query = wpabuf_alloc(len);
5231         if (query == NULL)
5232                 return -1;
5233         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5234                 wpabuf_free(query);
5235                 return -1;
5236         }
5237
5238         len = os_strlen(pos);
5239         if (len & 1) {
5240                 wpabuf_free(query);
5241                 return -1;
5242         }
5243         len /= 2;
5244         resp = wpabuf_alloc(len);
5245         if (resp == NULL) {
5246                 wpabuf_free(query);
5247                 return -1;
5248         }
5249         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
5250                 wpabuf_free(query);
5251                 wpabuf_free(resp);
5252                 return -1;
5253         }
5254
5255         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
5256                 wpabuf_free(query);
5257                 wpabuf_free(resp);
5258                 return -1;
5259         }
5260         return 0;
5261 }
5262
5263
5264 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5265 {
5266         char *pos;
5267         u8 version;
5268
5269         pos = os_strchr(cmd, ' ');
5270         if (pos == NULL)
5271                 return -1;
5272         *pos++ = '\0';
5273
5274         if (hexstr2bin(cmd, &version, 1) < 0)
5275                 return -1;
5276
5277         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
5278 }
5279
5280
5281 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
5282                                     u8 replace, char *cmd)
5283 {
5284         char *pos;
5285         char *adv_str;
5286         u32 auto_accept, adv_id, svc_state, config_methods;
5287         char *svc_info = NULL;
5288         char *cpt_prio_str;
5289         u8 cpt_prio[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
5290
5291         pos = os_strchr(cmd, ' ');
5292         if (pos == NULL)
5293                 return -1;
5294         *pos++ = '\0';
5295
5296         /* Auto-Accept value is mandatory, and must be one of the
5297          * single values (0, 1, 2, 4) */
5298         auto_accept = atoi(cmd);
5299         switch (auto_accept) {
5300         case P2PS_SETUP_NONE: /* No auto-accept */
5301         case P2PS_SETUP_NEW:
5302         case P2PS_SETUP_CLIENT:
5303         case P2PS_SETUP_GROUP_OWNER:
5304                 break;
5305         default:
5306                 return -1;
5307         }
5308
5309         /* Advertisement ID is mandatory */
5310         cmd = pos;
5311         pos = os_strchr(cmd, ' ');
5312         if (pos == NULL)
5313                 return -1;
5314         *pos++ = '\0';
5315
5316         /* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
5317         if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
5318                 return -1;
5319
5320         /* Only allow replacements if exist, and adds if not */
5321         if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
5322                 if (!replace)
5323                         return -1;
5324         } else {
5325                 if (replace)
5326                         return -1;
5327         }
5328
5329         /* svc_state between 0 - 0xff is mandatory */
5330         if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
5331                 return -1;
5332
5333         pos = os_strchr(pos, ' ');
5334         if (pos == NULL)
5335                 return -1;
5336
5337         /* config_methods is mandatory */
5338         pos++;
5339         if (sscanf(pos, "%x", &config_methods) != 1)
5340                 return -1;
5341
5342         if (!(config_methods &
5343               (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
5344                 return -1;
5345
5346         pos = os_strchr(pos, ' ');
5347         if (pos == NULL)
5348                 return -1;
5349
5350         pos++;
5351         adv_str = pos;
5352
5353         /* Advertisement string is mandatory */
5354         if (!pos[0] || pos[0] == ' ')
5355                 return -1;
5356
5357         /* Terminate svc string */
5358         pos = os_strchr(pos, ' ');
5359         if (pos != NULL)
5360                 *pos++ = '\0';
5361
5362         cpt_prio_str = (pos && pos[0]) ? os_strstr(pos, "cpt=") : NULL;
5363         if (cpt_prio_str) {
5364                 pos = os_strchr(pos, ' ');
5365                 if (pos != NULL)
5366                         *pos++ = '\0';
5367
5368                 if (p2ps_ctrl_parse_cpt_priority(cpt_prio_str + 4, cpt_prio))
5369                         return -1;
5370         } else {
5371                 cpt_prio[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
5372                 cpt_prio[1] = 0;
5373         }
5374
5375         /* Service and Response Information are optional */
5376         if (pos && pos[0]) {
5377                 size_t len;
5378
5379                 /* Note the bare ' included, which cannot exist legally
5380                  * in unescaped string. */
5381                 svc_info = os_strstr(pos, "svc_info='");
5382
5383                 if (svc_info) {
5384                         svc_info += 9;
5385                         len = os_strlen(svc_info);
5386                         utf8_unescape(svc_info, len, svc_info, len);
5387                 }
5388         }
5389
5390         return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
5391                                         (u8) svc_state, (u16) config_methods,
5392                                         svc_info, cpt_prio);
5393 }
5394
5395
5396 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
5397 {
5398         char *pos;
5399
5400         pos = os_strchr(cmd, ' ');
5401         if (pos == NULL)
5402                 return -1;
5403         *pos++ = '\0';
5404
5405         if (os_strcmp(cmd, "bonjour") == 0)
5406                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
5407         if (os_strcmp(cmd, "upnp") == 0)
5408                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
5409         if (os_strcmp(cmd, "asp") == 0)
5410                 return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
5411         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5412         return -1;
5413 }
5414
5415
5416 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
5417                                         char *cmd)
5418 {
5419         size_t len;
5420         struct wpabuf *query;
5421         int ret;
5422
5423         len = os_strlen(cmd);
5424         if (len & 1)
5425                 return -1;
5426         len /= 2;
5427         query = wpabuf_alloc(len);
5428         if (query == NULL)
5429                 return -1;
5430         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5431                 wpabuf_free(query);
5432                 return -1;
5433         }
5434
5435         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
5436         wpabuf_free(query);
5437         return ret;
5438 }
5439
5440
5441 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5442 {
5443         char *pos;
5444         u8 version;
5445
5446         pos = os_strchr(cmd, ' ');
5447         if (pos == NULL)
5448                 return -1;
5449         *pos++ = '\0';
5450
5451         if (hexstr2bin(cmd, &version, 1) < 0)
5452                 return -1;
5453
5454         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
5455 }
5456
5457
5458 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
5459 {
5460         u32 adv_id;
5461
5462         if (os_strcmp(cmd, "all") == 0) {
5463                 wpas_p2p_service_flush_asp(wpa_s);
5464                 return 0;
5465         }
5466
5467         if (sscanf(cmd, "%x", &adv_id) != 1)
5468                 return -1;
5469
5470         return wpas_p2p_service_del_asp(wpa_s, adv_id);
5471 }
5472
5473
5474 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
5475 {
5476         char *pos;
5477
5478         pos = os_strchr(cmd, ' ');
5479         if (pos == NULL)
5480                 return -1;
5481         *pos++ = '\0';
5482
5483         if (os_strcmp(cmd, "bonjour") == 0)
5484                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
5485         if (os_strcmp(cmd, "upnp") == 0)
5486                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
5487         if (os_strcmp(cmd, "asp") == 0)
5488                 return p2p_ctrl_service_del_asp(wpa_s, pos);
5489         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5490         return -1;
5491 }
5492
5493
5494 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
5495 {
5496         char *pos;
5497
5498         pos = os_strchr(cmd, ' ');
5499         if (pos == NULL)
5500                 return -1;
5501         *pos++ = '\0';
5502
5503         if (os_strcmp(cmd, "asp") == 0)
5504                 return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
5505
5506         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5507         return -1;
5508 }
5509
5510
5511 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
5512 {
5513         u8 addr[ETH_ALEN];
5514
5515         /* <addr> */
5516
5517         if (hwaddr_aton(cmd, addr))
5518                 return -1;
5519
5520         return wpas_p2p_reject(wpa_s, addr);
5521 }
5522
5523
5524 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
5525 {
5526         char *pos;
5527         int id;
5528         struct wpa_ssid *ssid;
5529         u8 *_peer = NULL, peer[ETH_ALEN];
5530         int freq = 0, pref_freq = 0;
5531         int ht40, vht;
5532
5533         id = atoi(cmd);
5534         pos = os_strstr(cmd, " peer=");
5535         if (pos) {
5536                 pos += 6;
5537                 if (hwaddr_aton(pos, peer))
5538                         return -1;
5539                 _peer = peer;
5540         }
5541         ssid = wpa_config_get_network(wpa_s->conf, id);
5542         if (ssid == NULL || ssid->disabled != 2) {
5543                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5544                            "for persistent P2P group",
5545                            id);
5546                 return -1;
5547         }
5548
5549         pos = os_strstr(cmd, " freq=");
5550         if (pos) {
5551                 pos += 6;
5552                 freq = atoi(pos);
5553                 if (freq <= 0)
5554                         return -1;
5555         }
5556
5557         pos = os_strstr(cmd, " pref=");
5558         if (pos) {
5559                 pos += 6;
5560                 pref_freq = atoi(pos);
5561                 if (pref_freq <= 0)
5562                         return -1;
5563         }
5564
5565         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5566         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5567                 vht;
5568
5569         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
5570                                pref_freq);
5571 }
5572
5573
5574 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
5575 {
5576         char *pos;
5577         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
5578
5579         pos = os_strstr(cmd, " peer=");
5580         if (!pos)
5581                 return -1;
5582
5583         *pos = '\0';
5584         pos += 6;
5585         if (hwaddr_aton(pos, peer)) {
5586                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
5587                 return -1;
5588         }
5589
5590         pos = os_strstr(pos, " go_dev_addr=");
5591         if (pos) {
5592                 pos += 13;
5593                 if (hwaddr_aton(pos, go_dev_addr)) {
5594                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
5595                                    pos);
5596                         return -1;
5597                 }
5598                 go_dev = go_dev_addr;
5599         }
5600
5601         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
5602 }
5603
5604
5605 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
5606 {
5607         if (os_strncmp(cmd, "persistent=", 11) == 0)
5608                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
5609         if (os_strncmp(cmd, "group=", 6) == 0)
5610                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
5611
5612         return -1;
5613 }
5614
5615
5616 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
5617                                          int id, int freq, int ht40, int vht)
5618 {
5619         struct wpa_ssid *ssid;
5620
5621         ssid = wpa_config_get_network(wpa_s->conf, id);
5622         if (ssid == NULL || ssid->disabled != 2) {
5623                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5624                            "for persistent P2P group",
5625                            id);
5626                 return -1;
5627         }
5628
5629         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
5630                                              NULL, 0);
5631 }
5632
5633
5634 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
5635 {
5636         int freq = 0, persistent = 0, group_id = -1;
5637         int vht = wpa_s->conf->p2p_go_vht;
5638         int ht40 = wpa_s->conf->p2p_go_ht40 || vht;
5639         char *token, *context = NULL;
5640
5641         while ((token = str_token(cmd, " ", &context))) {
5642                 if (sscanf(token, "freq=%d", &freq) == 1 ||
5643                     sscanf(token, "persistent=%d", &group_id) == 1) {
5644                         continue;
5645                 } else if (os_strcmp(token, "ht40") == 0) {
5646                         ht40 = 1;
5647                 } else if (os_strcmp(token, "vht") == 0) {
5648                         vht = 1;
5649                         ht40 = 1;
5650                 } else if (os_strcmp(token, "persistent") == 0) {
5651                         persistent = 1;
5652                 } else {
5653                         wpa_printf(MSG_DEBUG,
5654                                    "CTRL: Invalid P2P_GROUP_ADD parameter: '%s'",
5655                                    token);
5656                         return -1;
5657                 }
5658         }
5659
5660         if (group_id >= 0)
5661                 return p2p_ctrl_group_add_persistent(wpa_s, group_id,
5662                                                      freq, ht40, vht);
5663
5664         return wpas_p2p_group_add(wpa_s, persistent, freq, ht40, vht);
5665 }
5666
5667
5668 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
5669                          char *buf, size_t buflen)
5670 {
5671         u8 addr[ETH_ALEN], *addr_ptr;
5672         int next, res;
5673         const struct p2p_peer_info *info;
5674         char *pos, *end;
5675         char devtype[WPS_DEV_TYPE_BUFSIZE];
5676         struct wpa_ssid *ssid;
5677         size_t i;
5678
5679         if (!wpa_s->global->p2p)
5680                 return -1;
5681
5682         if (os_strcmp(cmd, "FIRST") == 0) {
5683                 addr_ptr = NULL;
5684                 next = 0;
5685         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5686                 if (hwaddr_aton(cmd + 5, addr) < 0)
5687                         return -1;
5688                 addr_ptr = addr;
5689                 next = 1;
5690         } else {
5691                 if (hwaddr_aton(cmd, addr) < 0)
5692                         return -1;
5693                 addr_ptr = addr;
5694                 next = 0;
5695         }
5696
5697         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
5698         if (info == NULL)
5699                 return -1;
5700
5701         pos = buf;
5702         end = buf + buflen;
5703
5704         res = os_snprintf(pos, end - pos, MACSTR "\n"
5705                           "pri_dev_type=%s\n"
5706                           "device_name=%s\n"
5707                           "manufacturer=%s\n"
5708                           "model_name=%s\n"
5709                           "model_number=%s\n"
5710                           "serial_number=%s\n"
5711                           "config_methods=0x%x\n"
5712                           "dev_capab=0x%x\n"
5713                           "group_capab=0x%x\n"
5714                           "level=%d\n",
5715                           MAC2STR(info->p2p_device_addr),
5716                           wps_dev_type_bin2str(info->pri_dev_type,
5717                                                devtype, sizeof(devtype)),
5718                           info->device_name,
5719                           info->manufacturer,
5720                           info->model_name,
5721                           info->model_number,
5722                           info->serial_number,
5723                           info->config_methods,
5724                           info->dev_capab,
5725                           info->group_capab,
5726                           info->level);
5727         if (os_snprintf_error(end - pos, res))
5728                 return pos - buf;
5729         pos += res;
5730
5731         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
5732         {
5733                 const u8 *t;
5734                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
5735                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
5736                                   wps_dev_type_bin2str(t, devtype,
5737                                                        sizeof(devtype)));
5738                 if (os_snprintf_error(end - pos, res))
5739                         return pos - buf;
5740                 pos += res;
5741         }
5742
5743         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
5744         if (ssid) {
5745                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
5746                 if (os_snprintf_error(end - pos, res))
5747                         return pos - buf;
5748                 pos += res;
5749         }
5750
5751         res = p2p_get_peer_info_txt(info, pos, end - pos);
5752         if (res < 0)
5753                 return pos - buf;
5754         pos += res;
5755
5756         if (info->vendor_elems) {
5757                 res = os_snprintf(pos, end - pos, "vendor_elems=");
5758                 if (os_snprintf_error(end - pos, res))
5759                         return pos - buf;
5760                 pos += res;
5761
5762                 pos += wpa_snprintf_hex(pos, end - pos,
5763                                         wpabuf_head(info->vendor_elems),
5764                                         wpabuf_len(info->vendor_elems));
5765
5766                 res = os_snprintf(pos, end - pos, "\n");
5767                 if (os_snprintf_error(end - pos, res))
5768                         return pos - buf;
5769                 pos += res;
5770         }
5771
5772         return pos - buf;
5773 }
5774
5775
5776 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
5777                                   const char *param)
5778 {
5779         unsigned int i;
5780
5781         if (wpa_s->global->p2p == NULL)
5782                 return -1;
5783
5784         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
5785                 return -1;
5786
5787         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
5788                 struct wpa_freq_range *freq;
5789                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
5790                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
5791                            freq->min, freq->max);
5792         }
5793
5794         wpas_p2p_update_channel_list(wpa_s);
5795         return 0;
5796 }
5797
5798
5799 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
5800 {
5801         char *param;
5802
5803         if (wpa_s->global->p2p == NULL)
5804                 return -1;
5805
5806         param = os_strchr(cmd, ' ');
5807         if (param == NULL)
5808                 return -1;
5809         *param++ = '\0';
5810
5811         if (os_strcmp(cmd, "discoverability") == 0) {
5812                 p2p_set_client_discoverability(wpa_s->global->p2p,
5813                                                atoi(param));
5814                 return 0;
5815         }
5816
5817         if (os_strcmp(cmd, "managed") == 0) {
5818                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5819                 return 0;
5820         }
5821
5822         if (os_strcmp(cmd, "listen_channel") == 0) {
5823                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
5824                                               atoi(param), 1);
5825         }
5826
5827         if (os_strcmp(cmd, "ssid_postfix") == 0) {
5828                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
5829                                             os_strlen(param));
5830         }
5831
5832         if (os_strcmp(cmd, "noa") == 0) {
5833                 char *pos;
5834                 int count, start, duration;
5835                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
5836                 count = atoi(param);
5837                 pos = os_strchr(param, ',');
5838                 if (pos == NULL)
5839                         return -1;
5840                 pos++;
5841                 start = atoi(pos);
5842                 pos = os_strchr(pos, ',');
5843                 if (pos == NULL)
5844                         return -1;
5845                 pos++;
5846                 duration = atoi(pos);
5847                 if (count < 0 || count > 255 || start < 0 || duration < 0)
5848                         return -1;
5849                 if (count == 0 && duration > 0)
5850                         return -1;
5851                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
5852                            "start=%d duration=%d", count, start, duration);
5853                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
5854         }
5855
5856         if (os_strcmp(cmd, "ps") == 0)
5857                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
5858
5859         if (os_strcmp(cmd, "oppps") == 0)
5860                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
5861
5862         if (os_strcmp(cmd, "ctwindow") == 0)
5863                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
5864
5865         if (os_strcmp(cmd, "disabled") == 0) {
5866                 wpa_s->global->p2p_disabled = atoi(param);
5867                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
5868                            wpa_s->global->p2p_disabled ?
5869                            "disabled" : "enabled");
5870                 if (wpa_s->global->p2p_disabled) {
5871                         wpas_p2p_stop_find(wpa_s);
5872                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5873                         p2p_flush(wpa_s->global->p2p);
5874                 }
5875                 return 0;
5876         }
5877
5878         if (os_strcmp(cmd, "conc_pref") == 0) {
5879                 if (os_strcmp(param, "sta") == 0)
5880                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
5881                 else if (os_strcmp(param, "p2p") == 0)
5882                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
5883                 else {
5884                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
5885                         return -1;
5886                 }
5887                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
5888                            "%s", param);
5889                 return 0;
5890         }
5891
5892         if (os_strcmp(cmd, "force_long_sd") == 0) {
5893                 wpa_s->force_long_sd = atoi(param);
5894                 return 0;
5895         }
5896
5897         if (os_strcmp(cmd, "peer_filter") == 0) {
5898                 u8 addr[ETH_ALEN];
5899                 if (hwaddr_aton(param, addr))
5900                         return -1;
5901                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
5902                 return 0;
5903         }
5904
5905         if (os_strcmp(cmd, "cross_connect") == 0)
5906                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
5907
5908         if (os_strcmp(cmd, "go_apsd") == 0) {
5909                 if (os_strcmp(param, "disable") == 0)
5910                         wpa_s->set_ap_uapsd = 0;
5911                 else {
5912                         wpa_s->set_ap_uapsd = 1;
5913                         wpa_s->ap_uapsd = atoi(param);
5914                 }
5915                 return 0;
5916         }
5917
5918         if (os_strcmp(cmd, "client_apsd") == 0) {
5919                 if (os_strcmp(param, "disable") == 0)
5920                         wpa_s->set_sta_uapsd = 0;
5921                 else {
5922                         int be, bk, vi, vo;
5923                         char *pos;
5924                         /* format: BE,BK,VI,VO;max SP Length */
5925                         be = atoi(param);
5926                         pos = os_strchr(param, ',');
5927                         if (pos == NULL)
5928                                 return -1;
5929                         pos++;
5930                         bk = atoi(pos);
5931                         pos = os_strchr(pos, ',');
5932                         if (pos == NULL)
5933                                 return -1;
5934                         pos++;
5935                         vi = atoi(pos);
5936                         pos = os_strchr(pos, ',');
5937                         if (pos == NULL)
5938                                 return -1;
5939                         pos++;
5940                         vo = atoi(pos);
5941                         /* ignore max SP Length for now */
5942
5943                         wpa_s->set_sta_uapsd = 1;
5944                         wpa_s->sta_uapsd = 0;
5945                         if (be)
5946                                 wpa_s->sta_uapsd |= BIT(0);
5947                         if (bk)
5948                                 wpa_s->sta_uapsd |= BIT(1);
5949                         if (vi)
5950                                 wpa_s->sta_uapsd |= BIT(2);
5951                         if (vo)
5952                                 wpa_s->sta_uapsd |= BIT(3);
5953                 }
5954                 return 0;
5955         }
5956
5957         if (os_strcmp(cmd, "disallow_freq") == 0)
5958                 return p2p_ctrl_disallow_freq(wpa_s, param);
5959
5960         if (os_strcmp(cmd, "disc_int") == 0) {
5961                 int min_disc_int, max_disc_int, max_disc_tu;
5962                 char *pos;
5963
5964                 pos = param;
5965
5966                 min_disc_int = atoi(pos);
5967                 pos = os_strchr(pos, ' ');
5968                 if (pos == NULL)
5969                         return -1;
5970                 *pos++ = '\0';
5971
5972                 max_disc_int = atoi(pos);
5973                 pos = os_strchr(pos, ' ');
5974                 if (pos == NULL)
5975                         return -1;
5976                 *pos++ = '\0';
5977
5978                 max_disc_tu = atoi(pos);
5979
5980                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
5981                                         max_disc_int, max_disc_tu);
5982         }
5983
5984         if (os_strcmp(cmd, "per_sta_psk") == 0) {
5985                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
5986                 return 0;
5987         }
5988
5989 #ifdef CONFIG_WPS_NFC
5990         if (os_strcmp(cmd, "nfc_tag") == 0)
5991                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
5992 #endif /* CONFIG_WPS_NFC */
5993
5994         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
5995                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
5996                 return 0;
5997         }
5998
5999         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
6000                    cmd);
6001
6002         return -1;
6003 }
6004
6005
6006 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
6007 {
6008         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
6009         wpa_s->force_long_sd = 0;
6010         wpas_p2p_stop_find(wpa_s);
6011         if (wpa_s->global->p2p)
6012                 p2p_flush(wpa_s->global->p2p);
6013 }
6014
6015
6016 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
6017 {
6018         char *pos, *pos2;
6019         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
6020
6021         if (cmd[0]) {
6022                 pos = os_strchr(cmd, ' ');
6023                 if (pos == NULL)
6024                         return -1;
6025                 *pos++ = '\0';
6026                 dur1 = atoi(cmd);
6027
6028                 pos2 = os_strchr(pos, ' ');
6029                 if (pos2)
6030                         *pos2++ = '\0';
6031                 int1 = atoi(pos);
6032         } else
6033                 pos2 = NULL;
6034
6035         if (pos2) {
6036                 pos = os_strchr(pos2, ' ');
6037                 if (pos == NULL)
6038                         return -1;
6039                 *pos++ = '\0';
6040                 dur2 = atoi(pos2);
6041                 int2 = atoi(pos);
6042         }
6043
6044         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
6045 }
6046
6047
6048 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
6049 {
6050         char *pos;
6051         unsigned int period = 0, interval = 0;
6052
6053         if (cmd[0]) {
6054                 pos = os_strchr(cmd, ' ');
6055                 if (pos == NULL)
6056                         return -1;
6057                 *pos++ = '\0';
6058                 period = atoi(cmd);
6059                 interval = atoi(pos);
6060         }
6061
6062         return wpas_p2p_ext_listen(wpa_s, period, interval);
6063 }
6064
6065
6066 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
6067 {
6068         const char *pos;
6069         u8 peer[ETH_ALEN];
6070         int iface_addr = 0;
6071
6072         pos = cmd;
6073         if (os_strncmp(pos, "iface=", 6) == 0) {
6074                 iface_addr = 1;
6075                 pos += 6;
6076         }
6077         if (hwaddr_aton(pos, peer))
6078                 return -1;
6079
6080         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
6081         return 0;
6082 }
6083
6084 #endif /* CONFIG_P2P */
6085
6086
6087 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
6088 {
6089         struct wpa_freq_range_list ranges;
6090         int *freqs = NULL;
6091         struct hostapd_hw_modes *mode;
6092         u16 i;
6093
6094         if (wpa_s->hw.modes == NULL)
6095                 return NULL;
6096
6097         os_memset(&ranges, 0, sizeof(ranges));
6098         if (freq_range_list_parse(&ranges, val) < 0)
6099                 return NULL;
6100
6101         for (i = 0; i < wpa_s->hw.num_modes; i++) {
6102                 int j;
6103
6104                 mode = &wpa_s->hw.modes[i];
6105                 for (j = 0; j < mode->num_channels; j++) {
6106                         unsigned int freq;
6107
6108                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
6109                                 continue;
6110
6111                         freq = mode->channels[j].freq;
6112                         if (!freq_range_list_includes(&ranges, freq))
6113                                 continue;
6114
6115                         int_array_add_unique(&freqs, freq);
6116                 }
6117         }
6118
6119         os_free(ranges.range);
6120         return freqs;
6121 }
6122
6123
6124 #ifdef CONFIG_INTERWORKING
6125
6126 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
6127 {
6128         int auto_sel = 0;
6129         int *freqs = NULL;
6130
6131         if (param) {
6132                 char *pos;
6133
6134                 auto_sel = os_strstr(param, "auto") != NULL;
6135
6136                 pos = os_strstr(param, "freq=");
6137                 if (pos) {
6138                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
6139                         if (freqs == NULL)
6140                                 return -1;
6141                 }
6142
6143         }
6144
6145         return interworking_select(wpa_s, auto_sel, freqs);
6146 }
6147
6148
6149 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
6150                                      int only_add)
6151 {
6152         u8 bssid[ETH_ALEN];
6153         struct wpa_bss *bss;
6154
6155         if (hwaddr_aton(dst, bssid)) {
6156                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
6157                 return -1;
6158         }
6159
6160         bss = wpa_bss_get_bssid(wpa_s, bssid);
6161         if (bss == NULL) {
6162                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
6163                            MAC2STR(bssid));
6164                 return -1;
6165         }
6166
6167         if (bss->ssid_len == 0) {
6168                 int found = 0;
6169
6170                 wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
6171                            " does not have SSID information", MAC2STR(bssid));
6172
6173                 dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
6174                                          list) {
6175                         if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
6176                             bss->ssid_len > 0) {
6177                                 found = 1;
6178                                 break;
6179                         }
6180                 }
6181
6182                 if (!found)
6183                         return -1;
6184                 wpa_printf(MSG_DEBUG,
6185                            "Found another matching BSS entry with SSID");
6186         }
6187
6188         return interworking_connect(wpa_s, bss, only_add);
6189 }
6190
6191
6192 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
6193 {
6194         u8 dst_addr[ETH_ALEN];
6195         int used;
6196         char *pos;
6197 #define MAX_ANQP_INFO_ID 100
6198         u16 id[MAX_ANQP_INFO_ID];
6199         size_t num_id = 0;
6200         u32 subtypes = 0;
6201
6202         used = hwaddr_aton2(dst, dst_addr);
6203         if (used < 0)
6204                 return -1;
6205         pos = dst + used;
6206         if (*pos == ' ')
6207                 pos++;
6208         while (num_id < MAX_ANQP_INFO_ID) {
6209                 if (os_strncmp(pos, "hs20:", 5) == 0) {
6210 #ifdef CONFIG_HS20
6211                         int num = atoi(pos + 5);
6212                         if (num <= 0 || num > 31)
6213                                 return -1;
6214                         subtypes |= BIT(num);
6215 #else /* CONFIG_HS20 */
6216                         return -1;
6217 #endif /* CONFIG_HS20 */
6218                 } else {
6219                         id[num_id] = atoi(pos);
6220                         if (id[num_id])
6221                                 num_id++;
6222                 }
6223                 pos = os_strchr(pos + 1, ',');
6224                 if (pos == NULL)
6225                         break;
6226                 pos++;
6227         }
6228
6229         if (num_id == 0)
6230                 return -1;
6231
6232         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
6233 }
6234
6235
6236 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
6237 {
6238         u8 dst_addr[ETH_ALEN];
6239         struct wpabuf *advproto, *query = NULL;
6240         int used, ret = -1;
6241         char *pos, *end;
6242         size_t len;
6243
6244         used = hwaddr_aton2(cmd, dst_addr);
6245         if (used < 0)
6246                 return -1;
6247
6248         pos = cmd + used;
6249         while (*pos == ' ')
6250                 pos++;
6251
6252         /* Advertisement Protocol ID */
6253         end = os_strchr(pos, ' ');
6254         if (end)
6255                 len = end - pos;
6256         else
6257                 len = os_strlen(pos);
6258         if (len & 0x01)
6259                 return -1;
6260         len /= 2;
6261         if (len == 0)
6262                 return -1;
6263         advproto = wpabuf_alloc(len);
6264         if (advproto == NULL)
6265                 return -1;
6266         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
6267                 goto fail;
6268
6269         if (end) {
6270                 /* Optional Query Request */
6271                 pos = end + 1;
6272                 while (*pos == ' ')
6273                         pos++;
6274
6275                 len = os_strlen(pos);
6276                 if (len) {
6277                         if (len & 0x01)
6278                                 goto fail;
6279                         len /= 2;
6280                         if (len == 0)
6281                                 goto fail;
6282                         query = wpabuf_alloc(len);
6283                         if (query == NULL)
6284                                 goto fail;
6285                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
6286                                 goto fail;
6287                 }
6288         }
6289
6290         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
6291
6292 fail:
6293         wpabuf_free(advproto);
6294         wpabuf_free(query);
6295
6296         return ret;
6297 }
6298
6299
6300 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
6301                             size_t buflen)
6302 {
6303         u8 addr[ETH_ALEN];
6304         int dialog_token;
6305         int used;
6306         char *pos;
6307         size_t resp_len, start, requested_len;
6308         struct wpabuf *resp;
6309         int ret;
6310
6311         used = hwaddr_aton2(cmd, addr);
6312         if (used < 0)
6313                 return -1;
6314
6315         pos = cmd + used;
6316         while (*pos == ' ')
6317                 pos++;
6318         dialog_token = atoi(pos);
6319
6320         if (wpa_s->last_gas_resp &&
6321             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
6322             dialog_token == wpa_s->last_gas_dialog_token)
6323                 resp = wpa_s->last_gas_resp;
6324         else if (wpa_s->prev_gas_resp &&
6325                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
6326                  dialog_token == wpa_s->prev_gas_dialog_token)
6327                 resp = wpa_s->prev_gas_resp;
6328         else
6329                 return -1;
6330
6331         resp_len = wpabuf_len(resp);
6332         start = 0;
6333         requested_len = resp_len;
6334
6335         pos = os_strchr(pos, ' ');
6336         if (pos) {
6337                 start = atoi(pos);
6338                 if (start > resp_len)
6339                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6340                 pos = os_strchr(pos, ',');
6341                 if (pos == NULL)
6342                         return -1;
6343                 pos++;
6344                 requested_len = atoi(pos);
6345                 if (start + requested_len > resp_len)
6346                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6347         }
6348
6349         if (requested_len * 2 + 1 > buflen)
6350                 return os_snprintf(buf, buflen, "FAIL-Too long response");
6351
6352         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
6353                                requested_len);
6354
6355         if (start + requested_len == resp_len) {
6356                 /*
6357                  * Free memory by dropping the response after it has been
6358                  * fetched.
6359                  */
6360                 if (resp == wpa_s->prev_gas_resp) {
6361                         wpabuf_free(wpa_s->prev_gas_resp);
6362                         wpa_s->prev_gas_resp = NULL;
6363                 } else {
6364                         wpabuf_free(wpa_s->last_gas_resp);
6365                         wpa_s->last_gas_resp = NULL;
6366                 }
6367         }
6368
6369         return ret;
6370 }
6371 #endif /* CONFIG_INTERWORKING */
6372
6373
6374 #ifdef CONFIG_HS20
6375
6376 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
6377 {
6378         u8 dst_addr[ETH_ALEN];
6379         int used;
6380         char *pos;
6381         u32 subtypes = 0;
6382
6383         used = hwaddr_aton2(dst, dst_addr);
6384         if (used < 0)
6385                 return -1;
6386         pos = dst + used;
6387         if (*pos == ' ')
6388                 pos++;
6389         for (;;) {
6390                 int num = atoi(pos);
6391                 if (num <= 0 || num > 31)
6392                         return -1;
6393                 subtypes |= BIT(num);
6394                 pos = os_strchr(pos + 1, ',');
6395                 if (pos == NULL)
6396                         break;
6397                 pos++;
6398         }
6399
6400         if (subtypes == 0)
6401                 return -1;
6402
6403         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
6404 }
6405
6406
6407 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6408                                     const u8 *addr, const char *realm)
6409 {
6410         u8 *buf;
6411         size_t rlen, len;
6412         int ret;
6413
6414         rlen = os_strlen(realm);
6415         len = 3 + rlen;
6416         buf = os_malloc(len);
6417         if (buf == NULL)
6418                 return -1;
6419         buf[0] = 1; /* NAI Home Realm Count */
6420         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
6421         buf[2] = rlen;
6422         os_memcpy(buf + 3, realm, rlen);
6423
6424         ret = hs20_anqp_send_req(wpa_s, addr,
6425                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6426                                  buf, len);
6427
6428         os_free(buf);
6429
6430         return ret;
6431 }
6432
6433
6434 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6435                                         char *dst)
6436 {
6437         struct wpa_cred *cred = wpa_s->conf->cred;
6438         u8 dst_addr[ETH_ALEN];
6439         int used;
6440         u8 *buf;
6441         size_t len;
6442         int ret;
6443
6444         used = hwaddr_aton2(dst, dst_addr);
6445         if (used < 0)
6446                 return -1;
6447
6448         while (dst[used] == ' ')
6449                 used++;
6450         if (os_strncmp(dst + used, "realm=", 6) == 0)
6451                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
6452                                                 dst + used + 6);
6453
6454         len = os_strlen(dst + used);
6455
6456         if (len == 0 && cred && cred->realm)
6457                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
6458
6459         if (len & 1)
6460                 return -1;
6461         len /= 2;
6462         buf = os_malloc(len);
6463         if (buf == NULL)
6464                 return -1;
6465         if (hexstr2bin(dst + used, buf, len) < 0) {
6466                 os_free(buf);
6467                 return -1;
6468         }
6469
6470         ret = hs20_anqp_send_req(wpa_s, dst_addr,
6471                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6472                                  buf, len);
6473         os_free(buf);
6474
6475         return ret;
6476 }
6477
6478
6479 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
6480 {
6481         u8 dst_addr[ETH_ALEN];
6482         int used;
6483         char *icon;
6484
6485         used = hwaddr_aton2(cmd, dst_addr);
6486         if (used < 0)
6487                 return -1;
6488
6489         while (cmd[used] == ' ')
6490                 used++;
6491         icon = &cmd[used];
6492
6493         wpa_s->fetch_osu_icon_in_progress = 0;
6494         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
6495                                   (u8 *) icon, os_strlen(icon));
6496 }
6497
6498 #endif /* CONFIG_HS20 */
6499
6500
6501 #ifdef CONFIG_AUTOSCAN
6502
6503 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
6504                                               char *cmd)
6505 {
6506         enum wpa_states state = wpa_s->wpa_state;
6507         char *new_params = NULL;
6508
6509         if (os_strlen(cmd) > 0) {
6510                 new_params = os_strdup(cmd);
6511                 if (new_params == NULL)
6512                         return -1;
6513         }
6514
6515         os_free(wpa_s->conf->autoscan);
6516         wpa_s->conf->autoscan = new_params;
6517
6518         if (wpa_s->conf->autoscan == NULL)
6519                 autoscan_deinit(wpa_s);
6520         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
6521                 autoscan_init(wpa_s, 1);
6522         else if (state == WPA_SCANNING)
6523                 wpa_supplicant_reinit_autoscan(wpa_s);
6524
6525         return 0;
6526 }
6527
6528 #endif /* CONFIG_AUTOSCAN */
6529
6530
6531 #ifdef CONFIG_WNM
6532
6533 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
6534 {
6535         int enter;
6536         int intval = 0;
6537         char *pos;
6538         int ret;
6539         struct wpabuf *tfs_req = NULL;
6540
6541         if (os_strncmp(cmd, "enter", 5) == 0)
6542                 enter = 1;
6543         else if (os_strncmp(cmd, "exit", 4) == 0)
6544                 enter = 0;
6545         else
6546                 return -1;
6547
6548         pos = os_strstr(cmd, " interval=");
6549         if (pos)
6550                 intval = atoi(pos + 10);
6551
6552         pos = os_strstr(cmd, " tfs_req=");
6553         if (pos) {
6554                 char *end;
6555                 size_t len;
6556                 pos += 9;
6557                 end = os_strchr(pos, ' ');
6558                 if (end)
6559                         len = end - pos;
6560                 else
6561                         len = os_strlen(pos);
6562                 if (len & 1)
6563                         return -1;
6564                 len /= 2;
6565                 tfs_req = wpabuf_alloc(len);
6566                 if (tfs_req == NULL)
6567                         return -1;
6568                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
6569                         wpabuf_free(tfs_req);
6570                         return -1;
6571                 }
6572         }
6573
6574         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
6575                                            WNM_SLEEP_MODE_EXIT, intval,
6576                                            tfs_req);
6577         wpabuf_free(tfs_req);
6578
6579         return ret;
6580 }
6581
6582
6583 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
6584 {
6585         int query_reason;
6586
6587         query_reason = atoi(cmd);
6588
6589         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
6590                    query_reason);
6591
6592         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
6593 }
6594
6595 #endif /* CONFIG_WNM */
6596
6597
6598 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
6599                                       size_t buflen)
6600 {
6601         struct wpa_signal_info si;
6602         int ret;
6603         char *pos, *end;
6604
6605         ret = wpa_drv_signal_poll(wpa_s, &si);
6606         if (ret)
6607                 return -1;
6608
6609         pos = buf;
6610         end = buf + buflen;
6611
6612         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
6613                           "NOISE=%d\nFREQUENCY=%u\n",
6614                           si.current_signal, si.current_txrate / 1000,
6615                           si.current_noise, si.frequency);
6616         if (os_snprintf_error(end - pos, ret))
6617                 return -1;
6618         pos += ret;
6619
6620         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
6621                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
6622                                   channel_width_to_string(si.chanwidth));
6623                 if (os_snprintf_error(end - pos, ret))
6624                         return -1;
6625                 pos += ret;
6626         }
6627
6628         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
6629                 ret = os_snprintf(pos, end - pos,
6630                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
6631                                   si.center_frq1, si.center_frq2);
6632                 if (os_snprintf_error(end - pos, ret))
6633                         return -1;
6634                 pos += ret;
6635         }
6636
6637         if (si.avg_signal) {
6638                 ret = os_snprintf(pos, end - pos,
6639                                   "AVG_RSSI=%d\n", si.avg_signal);
6640                 if (os_snprintf_error(end - pos, ret))
6641                         return -1;
6642                 pos += ret;
6643         }
6644
6645         if (si.avg_beacon_signal) {
6646                 ret = os_snprintf(pos, end - pos,
6647                                   "AVG_BEACON_RSSI=%d\n", si.avg_beacon_signal);
6648                 if (os_snprintf_error(end - pos, ret))
6649                         return -1;
6650                 pos += ret;
6651         }
6652
6653         return pos - buf;
6654 }
6655
6656
6657 static int wpas_ctrl_iface_get_pref_freq_list(
6658         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
6659 {
6660         unsigned int freq_list[100], num = 100, i;
6661         int ret;
6662         enum wpa_driver_if_type iface_type;
6663         char *pos, *end;
6664
6665         pos = buf;
6666         end = buf + buflen;
6667
6668         /* buf: "<interface_type>" */
6669         if (os_strcmp(cmd, "STATION") == 0)
6670                 iface_type = WPA_IF_STATION;
6671         else if (os_strcmp(cmd, "AP") == 0)
6672                 iface_type = WPA_IF_AP_BSS;
6673         else if (os_strcmp(cmd, "P2P_GO") == 0)
6674                 iface_type = WPA_IF_P2P_GO;
6675         else if (os_strcmp(cmd, "P2P_CLIENT") == 0)
6676                 iface_type = WPA_IF_P2P_CLIENT;
6677         else if (os_strcmp(cmd, "IBSS") == 0)
6678                 iface_type = WPA_IF_IBSS;
6679         else if (os_strcmp(cmd, "TDLS") == 0)
6680                 iface_type = WPA_IF_TDLS;
6681         else
6682                 return -1;
6683
6684         wpa_printf(MSG_DEBUG,
6685                    "CTRL_IFACE: GET_PREF_FREQ_LIST iface_type=%d (%s)",
6686                    iface_type, buf);
6687
6688         ret = wpa_drv_get_pref_freq_list(wpa_s, iface_type, &num, freq_list);
6689         if (ret)
6690                 return -1;
6691
6692         for (i = 0; i < num; i++) {
6693                 ret = os_snprintf(pos, end - pos, "%s%u",
6694                                   i > 0 ? "," : "", freq_list[i]);
6695                 if (os_snprintf_error(end - pos, ret))
6696                         return -1;
6697                 pos += ret;
6698         }
6699
6700         return pos - buf;
6701 }
6702
6703
6704 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
6705                                       size_t buflen)
6706 {
6707         struct hostap_sta_driver_data sta;
6708         int ret;
6709
6710         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
6711         if (ret)
6712                 return -1;
6713
6714         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
6715                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
6716         if (os_snprintf_error(buflen, ret))
6717                 return -1;
6718         return ret;
6719 }
6720
6721
6722 #ifdef ANDROID
6723 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6724                                      char *buf, size_t buflen)
6725 {
6726         int ret;
6727
6728         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
6729         if (ret == 0) {
6730                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
6731                         struct p2p_data *p2p = wpa_s->global->p2p;
6732                         if (p2p) {
6733                                 char country[3];
6734                                 country[0] = cmd[8];
6735                                 country[1] = cmd[9];
6736                                 country[2] = 0x04;
6737                                 p2p_set_country(p2p, country);
6738                         }
6739                 }
6740                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
6741                 if (os_snprintf_error(buflen, ret))
6742                         ret = -1;
6743         }
6744         return ret;
6745 }
6746 #endif /* ANDROID */
6747
6748
6749 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6750                                      char *buf, size_t buflen)
6751 {
6752         int ret;
6753         char *pos;
6754         u8 *data = NULL;
6755         unsigned int vendor_id, subcmd;
6756         struct wpabuf *reply;
6757         size_t data_len = 0;
6758
6759         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
6760         vendor_id = strtoul(cmd, &pos, 16);
6761         if (!isblank(*pos))
6762                 return -EINVAL;
6763
6764         subcmd = strtoul(pos, &pos, 10);
6765
6766         if (*pos != '\0') {
6767                 if (!isblank(*pos++))
6768                         return -EINVAL;
6769                 data_len = os_strlen(pos);
6770         }
6771
6772         if (data_len) {
6773                 data_len /= 2;
6774                 data = os_malloc(data_len);
6775                 if (!data)
6776                         return -1;
6777
6778                 if (hexstr2bin(pos, data, data_len)) {
6779                         wpa_printf(MSG_DEBUG,
6780                                    "Vendor command: wrong parameter format");
6781                         os_free(data);
6782                         return -EINVAL;
6783                 }
6784         }
6785
6786         reply = wpabuf_alloc((buflen - 1) / 2);
6787         if (!reply) {
6788                 os_free(data);
6789                 return -1;
6790         }
6791
6792         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
6793                                  reply);
6794
6795         if (ret == 0)
6796                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
6797                                        wpabuf_len(reply));
6798
6799         wpabuf_free(reply);
6800         os_free(data);
6801
6802         return ret;
6803 }
6804
6805
6806 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
6807 {
6808 #ifdef CONFIG_P2P
6809         struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
6810                 wpa_s->global->p2p_init_wpa_s : wpa_s;
6811 #endif /* CONFIG_P2P */
6812
6813         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
6814
6815 #ifdef CONFIG_P2P
6816         wpas_p2p_cancel(p2p_wpa_s);
6817         p2p_ctrl_flush(p2p_wpa_s);
6818         wpas_p2p_group_remove(p2p_wpa_s, "*");
6819         wpas_p2p_service_flush(p2p_wpa_s);
6820         p2p_wpa_s->global->p2p_disabled = 0;
6821         p2p_wpa_s->global->p2p_per_sta_psk = 0;
6822         p2p_wpa_s->conf->num_sec_device_types = 0;
6823         p2p_wpa_s->p2p_disable_ip_addr_req = 0;
6824         os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
6825         p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
6826         p2p_wpa_s->global->pending_p2ps_group = 0;
6827 #endif /* CONFIG_P2P */
6828
6829 #ifdef CONFIG_WPS_TESTING
6830         wps_version_number = 0x20;
6831         wps_testing_dummy_cred = 0;
6832         wps_corrupt_pkhash = 0;
6833 #endif /* CONFIG_WPS_TESTING */
6834 #ifdef CONFIG_WPS
6835         wpa_s->wps_fragment_size = 0;
6836         wpas_wps_cancel(wpa_s);
6837         wps_registrar_flush(wpa_s->wps->registrar);
6838 #endif /* CONFIG_WPS */
6839         wpa_s->after_wps = 0;
6840         wpa_s->known_wps_freq = 0;
6841
6842 #ifdef CONFIG_TDLS
6843 #ifdef CONFIG_TDLS_TESTING
6844         extern unsigned int tdls_testing;
6845         tdls_testing = 0;
6846 #endif /* CONFIG_TDLS_TESTING */
6847         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
6848         wpa_tdls_enable(wpa_s->wpa, 1);
6849 #endif /* CONFIG_TDLS */
6850
6851         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
6852         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
6853
6854         wpa_s->no_keep_alive = 0;
6855         wpa_s->own_disconnect_req = 0;
6856
6857         os_free(wpa_s->disallow_aps_bssid);
6858         wpa_s->disallow_aps_bssid = NULL;
6859         wpa_s->disallow_aps_bssid_count = 0;
6860         os_free(wpa_s->disallow_aps_ssid);
6861         wpa_s->disallow_aps_ssid = NULL;
6862         wpa_s->disallow_aps_ssid_count = 0;
6863
6864         wpa_s->set_sta_uapsd = 0;
6865         wpa_s->sta_uapsd = 0;
6866
6867         wpa_drv_radio_disable(wpa_s, 0);
6868         wpa_blacklist_clear(wpa_s);
6869         wpa_s->extra_blacklist_count = 0;
6870         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
6871         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
6872         wpa_config_flush_blobs(wpa_s->conf);
6873         wpa_s->conf->auto_interworking = 0;
6874         wpa_s->conf->okc = 0;
6875
6876         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
6877         rsn_preauth_deinit(wpa_s->wpa);
6878
6879         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
6880         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
6881         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
6882         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
6883
6884         radio_remove_works(wpa_s, NULL, 1);
6885         wpa_s->ext_work_in_progress = 0;
6886
6887         wpa_s->next_ssid = NULL;
6888
6889 #ifdef CONFIG_INTERWORKING
6890         hs20_cancel_fetch_osu(wpa_s);
6891 #endif /* CONFIG_INTERWORKING */
6892
6893         wpa_s->ext_mgmt_frame_handling = 0;
6894         wpa_s->ext_eapol_frame_io = 0;
6895 #ifdef CONFIG_TESTING_OPTIONS
6896         wpa_s->extra_roc_dur = 0;
6897         wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
6898 #endif /* CONFIG_TESTING_OPTIONS */
6899
6900         wpa_s->disconnected = 0;
6901         os_free(wpa_s->next_scan_freqs);
6902         wpa_s->next_scan_freqs = NULL;
6903
6904         wpa_bss_flush(wpa_s);
6905         if (!dl_list_empty(&wpa_s->bss)) {
6906                 wpa_printf(MSG_DEBUG,
6907                            "BSS table not empty after flush: %u entries, current_bss=%p bssid="
6908                            MACSTR " pending_bssid=" MACSTR,
6909                            dl_list_len(&wpa_s->bss), wpa_s->current_bss,
6910                            MAC2STR(wpa_s->bssid),
6911                            MAC2STR(wpa_s->pending_bssid));
6912         }
6913
6914         eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
6915 }
6916
6917
6918 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
6919                                      char *buf, size_t buflen)
6920 {
6921         struct wpa_radio_work *work;
6922         char *pos, *end;
6923         struct os_reltime now, diff;
6924
6925         pos = buf;
6926         end = buf + buflen;
6927
6928         os_get_reltime(&now);
6929
6930         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6931         {
6932                 int ret;
6933
6934                 os_reltime_sub(&now, &work->time, &diff);
6935                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
6936                                   work->type, work->wpa_s->ifname, work->freq,
6937                                   work->started, diff.sec, diff.usec);
6938                 if (os_snprintf_error(end - pos, ret))
6939                         break;
6940                 pos += ret;
6941         }
6942
6943         return pos - buf;
6944 }
6945
6946
6947 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
6948 {
6949         struct wpa_radio_work *work = eloop_ctx;
6950         struct wpa_external_work *ework = work->ctx;
6951
6952         wpa_dbg(work->wpa_s, MSG_DEBUG,
6953                 "Timing out external radio work %u (%s)",
6954                 ework->id, work->type);
6955         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
6956         work->wpa_s->ext_work_in_progress = 0;
6957         radio_work_done(work);
6958         os_free(ework);
6959 }
6960
6961
6962 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
6963 {
6964         struct wpa_external_work *ework = work->ctx;
6965
6966         if (deinit) {
6967                 if (work->started)
6968                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6969                                              work, NULL);
6970
6971                 os_free(ework);
6972                 return;
6973         }
6974
6975         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
6976                 ework->id, ework->type);
6977         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
6978         work->wpa_s->ext_work_in_progress = 1;
6979         if (!ework->timeout)
6980                 ework->timeout = 10;
6981         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
6982                                work, NULL);
6983 }
6984
6985
6986 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
6987                                     char *buf, size_t buflen)
6988 {
6989         struct wpa_external_work *ework;
6990         char *pos, *pos2;
6991         size_t type_len;
6992         int ret;
6993         unsigned int freq = 0;
6994
6995         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
6996
6997         ework = os_zalloc(sizeof(*ework));
6998         if (ework == NULL)
6999                 return -1;
7000
7001         pos = os_strchr(cmd, ' ');
7002         if (pos) {
7003                 type_len = pos - cmd;
7004                 pos++;
7005
7006                 pos2 = os_strstr(pos, "freq=");
7007                 if (pos2)
7008                         freq = atoi(pos2 + 5);
7009
7010                 pos2 = os_strstr(pos, "timeout=");
7011                 if (pos2)
7012                         ework->timeout = atoi(pos2 + 8);
7013         } else {
7014                 type_len = os_strlen(cmd);
7015         }
7016         if (4 + type_len >= sizeof(ework->type))
7017                 type_len = sizeof(ework->type) - 4 - 1;
7018         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
7019         os_memcpy(ework->type + 4, cmd, type_len);
7020         ework->type[4 + type_len] = '\0';
7021
7022         wpa_s->ext_work_id++;
7023         if (wpa_s->ext_work_id == 0)
7024                 wpa_s->ext_work_id++;
7025         ework->id = wpa_s->ext_work_id;
7026
7027         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
7028                            ework) < 0) {
7029                 os_free(ework);
7030                 return -1;
7031         }
7032
7033         ret = os_snprintf(buf, buflen, "%u", ework->id);
7034         if (os_snprintf_error(buflen, ret))
7035                 return -1;
7036         return ret;
7037 }
7038
7039
7040 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
7041 {
7042         struct wpa_radio_work *work;
7043         unsigned int id = atoi(cmd);
7044
7045         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
7046         {
7047                 struct wpa_external_work *ework;
7048
7049                 if (os_strncmp(work->type, "ext:", 4) != 0)
7050                         continue;
7051                 ework = work->ctx;
7052                 if (id && ework->id != id)
7053                         continue;
7054                 wpa_dbg(wpa_s, MSG_DEBUG,
7055                         "Completed external radio work %u (%s)",
7056                         ework->id, ework->type);
7057                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
7058                 wpa_s->ext_work_in_progress = 0;
7059                 radio_work_done(work);
7060                 os_free(ework);
7061                 return 3; /* "OK\n" */
7062         }
7063
7064         return -1;
7065 }
7066
7067
7068 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
7069                                 char *buf, size_t buflen)
7070 {
7071         if (os_strcmp(cmd, "show") == 0)
7072                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
7073         if (os_strncmp(cmd, "add ", 4) == 0)
7074                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
7075         if (os_strncmp(cmd, "done ", 5) == 0)
7076                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
7077         return -1;
7078 }
7079
7080
7081 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
7082 {
7083         struct wpa_radio_work *work, *tmp;
7084
7085         if (!wpa_s || !wpa_s->radio)
7086                 return;
7087
7088         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
7089                               struct wpa_radio_work, list) {
7090                 struct wpa_external_work *ework;
7091
7092                 if (os_strncmp(work->type, "ext:", 4) != 0)
7093                         continue;
7094                 ework = work->ctx;
7095                 wpa_dbg(wpa_s, MSG_DEBUG,
7096                         "Flushing%s external radio work %u (%s)",
7097                         work->started ? " started" : "", ework->id,
7098                         ework->type);
7099                 if (work->started)
7100                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
7101                                              work, NULL);
7102                 radio_work_done(work);
7103                 os_free(ework);
7104         }
7105 }
7106
7107
7108 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
7109 {
7110         struct wpa_supplicant *wpa_s = eloop_ctx;
7111         eapol_sm_notify_ctrl_response(wpa_s->eapol);
7112 }
7113
7114
7115 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
7116                               unsigned int *scan_id_count, int scan_id[])
7117 {
7118         const char *pos = value;
7119
7120         while (pos) {
7121                 if (*pos == ' ' || *pos == '\0')
7122                         break;
7123                 if (*scan_id_count == MAX_SCAN_ID)
7124                         return -1;
7125                 scan_id[(*scan_id_count)++] = atoi(pos);
7126                 pos = os_strchr(pos, ',');
7127                 if (pos)
7128                         pos++;
7129         }
7130
7131         return 0;
7132 }
7133
7134
7135 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
7136                            char *reply, int reply_size, int *reply_len)
7137 {
7138         char *pos;
7139         unsigned int manual_scan_passive = 0;
7140         unsigned int manual_scan_use_id = 0;
7141         unsigned int manual_scan_only_new = 0;
7142         unsigned int scan_only = 0;
7143         unsigned int scan_id_count = 0;
7144         int scan_id[MAX_SCAN_ID];
7145         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
7146                                  struct wpa_scan_results *scan_res);
7147         int *manual_scan_freqs = NULL;
7148         struct wpa_ssid_value *ssid = NULL, *ns;
7149         unsigned int ssid_count = 0;
7150
7151         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
7152                 *reply_len = -1;
7153                 return;
7154         }
7155
7156         if (radio_work_pending(wpa_s, "scan")) {
7157                 wpa_printf(MSG_DEBUG,
7158                            "Pending scan scheduled - reject new request");
7159                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7160                 return;
7161         }
7162
7163 #ifdef CONFIG_INTERWORKING
7164         if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) {
7165                 wpa_printf(MSG_DEBUG,
7166                            "Interworking select in progress - reject new scan");
7167                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7168                 return;
7169         }
7170 #endif /* CONFIG_INTERWORKING */
7171
7172         if (params) {
7173                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
7174                         scan_only = 1;
7175
7176                 pos = os_strstr(params, "freq=");
7177                 if (pos) {
7178                         manual_scan_freqs = freq_range_to_channel_list(wpa_s,
7179                                                                        pos + 5);
7180                         if (manual_scan_freqs == NULL) {
7181                                 *reply_len = -1;
7182                                 goto done;
7183                         }
7184                 }
7185
7186                 pos = os_strstr(params, "passive=");
7187                 if (pos)
7188                         manual_scan_passive = !!atoi(pos + 8);
7189
7190                 pos = os_strstr(params, "use_id=");
7191                 if (pos)
7192                         manual_scan_use_id = atoi(pos + 7);
7193
7194                 pos = os_strstr(params, "only_new=1");
7195                 if (pos)
7196                         manual_scan_only_new = 1;
7197
7198                 pos = os_strstr(params, "scan_id=");
7199                 if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
7200                                               scan_id) < 0) {
7201                         *reply_len = -1;
7202                         goto done;
7203                 }
7204
7205                 pos = params;
7206                 while (pos && *pos != '\0') {
7207                         if (os_strncmp(pos, "ssid ", 5) == 0) {
7208                                 char *end;
7209
7210                                 pos += 5;
7211                                 end = pos;
7212                                 while (*end) {
7213                                         if (*end == '\0' || *end == ' ')
7214                                                 break;
7215                                         end++;
7216                                 }
7217
7218                                 ns = os_realloc_array(
7219                                         ssid, ssid_count + 1,
7220                                         sizeof(struct wpa_ssid_value));
7221                                 if (ns == NULL) {
7222                                         *reply_len = -1;
7223                                         goto done;
7224                                 }
7225                                 ssid = ns;
7226
7227                                 if ((end - pos) & 0x01 ||
7228                                     end - pos > 2 * SSID_MAX_LEN ||
7229                                     hexstr2bin(pos, ssid[ssid_count].ssid,
7230                                                (end - pos) / 2) < 0) {
7231                                         wpa_printf(MSG_DEBUG,
7232                                                    "Invalid SSID value '%s'",
7233                                                    pos);
7234                                         *reply_len = -1;
7235                                         goto done;
7236                                 }
7237                                 ssid[ssid_count].ssid_len = (end - pos) / 2;
7238                                 wpa_hexdump_ascii(MSG_DEBUG, "scan SSID",
7239                                                   ssid[ssid_count].ssid,
7240                                                   ssid[ssid_count].ssid_len);
7241                                 ssid_count++;
7242                                 pos = end;
7243                         }
7244
7245                         pos = os_strchr(pos, ' ');
7246                         if (pos)
7247                                 pos++;
7248                 }
7249         }
7250
7251         wpa_s->num_ssids_from_scan_req = ssid_count;
7252         os_free(wpa_s->ssids_from_scan_req);
7253         if (ssid_count) {
7254                 wpa_s->ssids_from_scan_req = ssid;
7255                 ssid = NULL;
7256         } else {
7257                 wpa_s->ssids_from_scan_req = NULL;
7258         }
7259
7260         if (scan_only)
7261                 scan_res_handler = scan_only_handler;
7262         else if (wpa_s->scan_res_handler == scan_only_handler)
7263                 scan_res_handler = NULL;
7264         else
7265                 scan_res_handler = wpa_s->scan_res_handler;
7266
7267         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
7268             ((wpa_s->wpa_state <= WPA_SCANNING) ||
7269              (wpa_s->wpa_state == WPA_COMPLETED))) {
7270                 wpa_s->manual_scan_passive = manual_scan_passive;
7271                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7272                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7273                 wpa_s->scan_id_count = scan_id_count;
7274                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7275                 wpa_s->scan_res_handler = scan_res_handler;
7276                 os_free(wpa_s->manual_scan_freqs);
7277                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7278                 manual_scan_freqs = NULL;
7279
7280                 wpa_s->normal_scans = 0;
7281                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7282                 wpa_s->after_wps = 0;
7283                 wpa_s->known_wps_freq = 0;
7284                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7285                 if (wpa_s->manual_scan_use_id) {
7286                         wpa_s->manual_scan_id++;
7287                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7288                                 wpa_s->manual_scan_id);
7289                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7290                                                  wpa_s->manual_scan_id);
7291                 }
7292         } else if (wpa_s->sched_scanning) {
7293                 wpa_s->manual_scan_passive = manual_scan_passive;
7294                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7295                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7296                 wpa_s->scan_id_count = scan_id_count;
7297                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7298                 wpa_s->scan_res_handler = scan_res_handler;
7299                 os_free(wpa_s->manual_scan_freqs);
7300                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7301                 manual_scan_freqs = NULL;
7302
7303                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
7304                 wpa_supplicant_cancel_sched_scan(wpa_s);
7305                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7306                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7307                 if (wpa_s->manual_scan_use_id) {
7308                         wpa_s->manual_scan_id++;
7309                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7310                                                  wpa_s->manual_scan_id);
7311                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7312                                 wpa_s->manual_scan_id);
7313                 }
7314         } else {
7315                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
7316                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7317         }
7318
7319 done:
7320         os_free(manual_scan_freqs);
7321         os_free(ssid);
7322 }
7323
7324
7325 #ifdef CONFIG_TESTING_OPTIONS
7326
7327 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
7328                                        unsigned int freq, const u8 *dst,
7329                                        const u8 *src, const u8 *bssid,
7330                                        const u8 *data, size_t data_len,
7331                                        enum offchannel_send_action_result
7332                                        result)
7333 {
7334         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
7335                 " src=" MACSTR " bssid=" MACSTR " result=%s",
7336                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
7337                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
7338                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
7339                              "NO_ACK" : "FAILED"));
7340 }
7341
7342
7343 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
7344 {
7345         char *pos, *param;
7346         size_t len;
7347         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
7348         int res, used;
7349         int freq = 0, no_cck = 0, wait_time = 0;
7350
7351         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
7352          *    <action=Action frame payload> */
7353
7354         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
7355
7356         pos = cmd;
7357         used = hwaddr_aton2(pos, da);
7358         if (used < 0)
7359                 return -1;
7360         pos += used;
7361         while (*pos == ' ')
7362                 pos++;
7363         used = hwaddr_aton2(pos, bssid);
7364         if (used < 0)
7365                 return -1;
7366         pos += used;
7367
7368         param = os_strstr(pos, " freq=");
7369         if (param) {
7370                 param += 6;
7371                 freq = atoi(param);
7372         }
7373
7374         param = os_strstr(pos, " no_cck=");
7375         if (param) {
7376                 param += 8;
7377                 no_cck = atoi(param);
7378         }
7379
7380         param = os_strstr(pos, " wait_time=");
7381         if (param) {
7382                 param += 11;
7383                 wait_time = atoi(param);
7384         }
7385
7386         param = os_strstr(pos, " action=");
7387         if (param == NULL)
7388                 return -1;
7389         param += 8;
7390
7391         len = os_strlen(param);
7392         if (len & 1)
7393                 return -1;
7394         len /= 2;
7395
7396         buf = os_malloc(len);
7397         if (buf == NULL)
7398                 return -1;
7399
7400         if (hexstr2bin(param, buf, len) < 0) {
7401                 os_free(buf);
7402                 return -1;
7403         }
7404
7405         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
7406                                      buf, len, wait_time,
7407                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
7408         os_free(buf);
7409         return res;
7410 }
7411
7412
7413 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
7414 {
7415         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
7416         offchannel_send_action_done(wpa_s);
7417 }
7418
7419
7420 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
7421 {
7422         char *pos, *param;
7423         union wpa_event_data event;
7424         enum wpa_event_type ev;
7425
7426         /* <event name> [parameters..] */
7427
7428         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
7429
7430         pos = cmd;
7431         param = os_strchr(pos, ' ');
7432         if (param)
7433                 *param++ = '\0';
7434
7435         os_memset(&event, 0, sizeof(event));
7436
7437         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
7438                 ev = EVENT_INTERFACE_ENABLED;
7439         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
7440                 ev = EVENT_INTERFACE_DISABLED;
7441         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
7442                 ev = EVENT_AVOID_FREQUENCIES;
7443                 if (param == NULL)
7444                         param = "";
7445                 if (freq_range_list_parse(&event.freq_range, param) < 0)
7446                         return -1;
7447                 wpa_supplicant_event(wpa_s, ev, &event);
7448                 os_free(event.freq_range.range);
7449                 return 0;
7450         } else {
7451                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
7452                         cmd);
7453                 return -1;
7454         }
7455
7456         wpa_supplicant_event(wpa_s, ev, &event);
7457
7458         return 0;
7459 }
7460
7461
7462 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
7463 {
7464         char *pos;
7465         u8 src[ETH_ALEN], *buf;
7466         int used;
7467         size_t len;
7468
7469         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
7470
7471         pos = cmd;
7472         used = hwaddr_aton2(pos, src);
7473         if (used < 0)
7474                 return -1;
7475         pos += used;
7476         while (*pos == ' ')
7477                 pos++;
7478
7479         len = os_strlen(pos);
7480         if (len & 1)
7481                 return -1;
7482         len /= 2;
7483
7484         buf = os_malloc(len);
7485         if (buf == NULL)
7486                 return -1;
7487
7488         if (hexstr2bin(pos, buf, len) < 0) {
7489                 os_free(buf);
7490                 return -1;
7491         }
7492
7493         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
7494         os_free(buf);
7495
7496         return 0;
7497 }
7498
7499
7500 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
7501 {
7502         size_t i;
7503         u32 sum = 0;
7504         const u16 *pos = buf;
7505
7506         for (i = 0; i < len / 2; i++)
7507                 sum += *pos++;
7508
7509         while (sum >> 16)
7510                 sum = (sum & 0xffff) + (sum >> 16);
7511
7512         return sum ^ 0xffff;
7513 }
7514
7515
7516 #define HWSIM_PACKETLEN 1500
7517 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
7518
7519 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
7520 {
7521         struct wpa_supplicant *wpa_s = ctx;
7522         const struct ether_header *eth;
7523         struct iphdr ip;
7524         const u8 *pos;
7525         unsigned int i;
7526
7527         if (len != HWSIM_PACKETLEN)
7528                 return;
7529
7530         eth = (const struct ether_header *) buf;
7531         os_memcpy(&ip, eth + 1, sizeof(ip));
7532         pos = &buf[sizeof(*eth) + sizeof(ip)];
7533
7534         if (ip.ihl != 5 || ip.version != 4 ||
7535             ntohs(ip.tot_len) != HWSIM_IP_LEN)
7536                 return;
7537
7538         for (i = 0; i < HWSIM_IP_LEN - sizeof(ip); i++) {
7539                 if (*pos != (u8) i)
7540                         return;
7541                 pos++;
7542         }
7543
7544         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
7545                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
7546 }
7547
7548
7549 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
7550                                             char *cmd)
7551 {
7552         int enabled = atoi(cmd);
7553
7554         if (!enabled) {
7555                 if (wpa_s->l2_test) {
7556                         l2_packet_deinit(wpa_s->l2_test);
7557                         wpa_s->l2_test = NULL;
7558                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
7559                 }
7560                 return 0;
7561         }
7562
7563         if (wpa_s->l2_test)
7564                 return 0;
7565
7566         wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
7567                                         ETHERTYPE_IP, wpas_data_test_rx,
7568                                         wpa_s, 1);
7569         if (wpa_s->l2_test == NULL)
7570                 return -1;
7571
7572         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
7573
7574         return 0;
7575 }
7576
7577
7578 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
7579 {
7580         u8 dst[ETH_ALEN], src[ETH_ALEN];
7581         char *pos;
7582         int used;
7583         long int val;
7584         u8 tos;
7585         u8 buf[2 + HWSIM_PACKETLEN];
7586         struct ether_header *eth;
7587         struct iphdr *ip;
7588         u8 *dpos;
7589         unsigned int i;
7590
7591         if (wpa_s->l2_test == NULL)
7592                 return -1;
7593
7594         /* format: <dst> <src> <tos> */
7595
7596         pos = cmd;
7597         used = hwaddr_aton2(pos, dst);
7598         if (used < 0)
7599                 return -1;
7600         pos += used;
7601         while (*pos == ' ')
7602                 pos++;
7603         used = hwaddr_aton2(pos, src);
7604         if (used < 0)
7605                 return -1;
7606         pos += used;
7607
7608         val = strtol(pos, NULL, 0);
7609         if (val < 0 || val > 0xff)
7610                 return -1;
7611         tos = val;
7612
7613         eth = (struct ether_header *) &buf[2];
7614         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
7615         os_memcpy(eth->ether_shost, src, ETH_ALEN);
7616         eth->ether_type = htons(ETHERTYPE_IP);
7617         ip = (struct iphdr *) (eth + 1);
7618         os_memset(ip, 0, sizeof(*ip));
7619         ip->ihl = 5;
7620         ip->version = 4;
7621         ip->ttl = 64;
7622         ip->tos = tos;
7623         ip->tot_len = htons(HWSIM_IP_LEN);
7624         ip->protocol = 1;
7625         ip->saddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 1);
7626         ip->daddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 2);
7627         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
7628         dpos = (u8 *) (ip + 1);
7629         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
7630                 *dpos++ = i;
7631
7632         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, &buf[2],
7633                            HWSIM_PACKETLEN) < 0)
7634                 return -1;
7635
7636         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
7637                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
7638
7639         return 0;
7640 }
7641
7642
7643 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
7644                                            char *cmd)
7645 {
7646         u8 *buf;
7647         struct ether_header *eth;
7648         struct l2_packet_data *l2 = NULL;
7649         size_t len;
7650         u16 ethertype;
7651         int res = -1;
7652
7653         len = os_strlen(cmd);
7654         if (len & 1 || len < ETH_HLEN * 2)
7655                 return -1;
7656         len /= 2;
7657
7658         buf = os_malloc(len);
7659         if (buf == NULL)
7660                 return -1;
7661
7662         if (hexstr2bin(cmd, buf, len) < 0)
7663                 goto done;
7664
7665         eth = (struct ether_header *) buf;
7666         ethertype = ntohs(eth->ether_type);
7667
7668         l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
7669                             wpas_data_test_rx, wpa_s, 1);
7670         if (l2 == NULL)
7671                 goto done;
7672
7673         res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
7674         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
7675 done:
7676         if (l2)
7677                 l2_packet_deinit(l2);
7678         os_free(buf);
7679
7680         return res < 0 ? -1 : 0;
7681 }
7682
7683
7684 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
7685 {
7686 #ifdef WPA_TRACE_BFD
7687         extern char wpa_trace_fail_func[256];
7688         extern unsigned int wpa_trace_fail_after;
7689         char *pos;
7690
7691         wpa_trace_fail_after = atoi(cmd);
7692         pos = os_strchr(cmd, ':');
7693         if (pos) {
7694                 pos++;
7695                 os_strlcpy(wpa_trace_fail_func, pos,
7696                            sizeof(wpa_trace_fail_func));
7697         } else {
7698                 wpa_trace_fail_after = 0;
7699         }
7700         return 0;
7701 #else /* WPA_TRACE_BFD */
7702         return -1;
7703 #endif /* WPA_TRACE_BFD */
7704 }
7705
7706
7707 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
7708                                     char *buf, size_t buflen)
7709 {
7710 #ifdef WPA_TRACE_BFD
7711         extern char wpa_trace_fail_func[256];
7712         extern unsigned int wpa_trace_fail_after;
7713
7714         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
7715                            wpa_trace_fail_func);
7716 #else /* WPA_TRACE_BFD */
7717         return -1;
7718 #endif /* WPA_TRACE_BFD */
7719 }
7720
7721
7722 static int wpas_ctrl_test_fail(struct wpa_supplicant *wpa_s, char *cmd)
7723 {
7724 #ifdef WPA_TRACE_BFD
7725         extern char wpa_trace_test_fail_func[256];
7726         extern unsigned int wpa_trace_test_fail_after;
7727         char *pos;
7728
7729         wpa_trace_test_fail_after = atoi(cmd);
7730         pos = os_strchr(cmd, ':');
7731         if (pos) {
7732                 pos++;
7733                 os_strlcpy(wpa_trace_test_fail_func, pos,
7734                            sizeof(wpa_trace_test_fail_func));
7735         } else {
7736                 wpa_trace_test_fail_after = 0;
7737         }
7738         return 0;
7739 #else /* WPA_TRACE_BFD */
7740         return -1;
7741 #endif /* WPA_TRACE_BFD */
7742 }
7743
7744
7745 static int wpas_ctrl_get_fail(struct wpa_supplicant *wpa_s,
7746                                     char *buf, size_t buflen)
7747 {
7748 #ifdef WPA_TRACE_BFD
7749         extern char wpa_trace_test_fail_func[256];
7750         extern unsigned int wpa_trace_test_fail_after;
7751
7752         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_test_fail_after,
7753                            wpa_trace_test_fail_func);
7754 #else /* WPA_TRACE_BFD */
7755         return -1;
7756 #endif /* WPA_TRACE_BFD */
7757 }
7758
7759 #endif /* CONFIG_TESTING_OPTIONS */
7760
7761
7762 static void wpas_ctrl_vendor_elem_update(struct wpa_supplicant *wpa_s)
7763 {
7764         unsigned int i;
7765         char buf[30];
7766
7767         wpa_printf(MSG_DEBUG, "Update vendor elements");
7768
7769         for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
7770                 if (wpa_s->vendor_elem[i]) {
7771                         int res;
7772
7773                         res = os_snprintf(buf, sizeof(buf), "frame[%u]", i);
7774                         if (!os_snprintf_error(sizeof(buf), res)) {
7775                                 wpa_hexdump_buf(MSG_DEBUG, buf,
7776                                                 wpa_s->vendor_elem[i]);
7777                         }
7778                 }
7779         }
7780
7781 #ifdef CONFIG_P2P
7782         if (wpa_s->parent == wpa_s &&
7783             wpa_s->global->p2p &&
7784             !wpa_s->global->p2p_disabled)
7785                 p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem);
7786 #endif /* CONFIG_P2P */
7787 }
7788
7789
7790 static struct wpa_supplicant *
7791 wpas_ctrl_vendor_elem_iface(struct wpa_supplicant *wpa_s,
7792                             enum wpa_vendor_elem_frame frame)
7793 {
7794         switch (frame) {
7795 #ifdef CONFIG_P2P
7796         case VENDOR_ELEM_PROBE_REQ_P2P:
7797         case VENDOR_ELEM_PROBE_RESP_P2P:
7798         case VENDOR_ELEM_PROBE_RESP_P2P_GO:
7799         case VENDOR_ELEM_BEACON_P2P_GO:
7800         case VENDOR_ELEM_P2P_PD_REQ:
7801         case VENDOR_ELEM_P2P_PD_RESP:
7802         case VENDOR_ELEM_P2P_GO_NEG_REQ:
7803         case VENDOR_ELEM_P2P_GO_NEG_RESP:
7804         case VENDOR_ELEM_P2P_GO_NEG_CONF:
7805         case VENDOR_ELEM_P2P_INV_REQ:
7806         case VENDOR_ELEM_P2P_INV_RESP:
7807         case VENDOR_ELEM_P2P_ASSOC_REQ:
7808                 return wpa_s->parent;
7809 #endif /* CONFIG_P2P */
7810         default:
7811                 return wpa_s;
7812         }
7813 }
7814
7815
7816 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
7817 {
7818         char *pos = cmd;
7819         int frame;
7820         size_t len;
7821         struct wpabuf *buf;
7822         struct ieee802_11_elems elems;
7823
7824         frame = atoi(pos);
7825         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7826                 return -1;
7827         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7828
7829         pos = os_strchr(pos, ' ');
7830         if (pos == NULL)
7831                 return -1;
7832         pos++;
7833
7834         len = os_strlen(pos);
7835         if (len == 0)
7836                 return 0;
7837         if (len & 1)
7838                 return -1;
7839         len /= 2;
7840
7841         buf = wpabuf_alloc(len);
7842         if (buf == NULL)
7843                 return -1;
7844
7845         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
7846                 wpabuf_free(buf);
7847                 return -1;
7848         }
7849
7850         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
7851             ParseFailed) {
7852                 wpabuf_free(buf);
7853                 return -1;
7854         }
7855
7856         if (wpa_s->vendor_elem[frame] == NULL) {
7857                 wpa_s->vendor_elem[frame] = buf;
7858                 wpas_ctrl_vendor_elem_update(wpa_s);
7859                 return 0;
7860         }
7861
7862         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
7863                 wpabuf_free(buf);
7864                 return -1;
7865         }
7866
7867         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
7868         wpabuf_free(buf);
7869         wpas_ctrl_vendor_elem_update(wpa_s);
7870
7871         return 0;
7872 }
7873
7874
7875 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
7876                                      char *buf, size_t buflen)
7877 {
7878         int frame = atoi(cmd);
7879
7880         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7881                 return -1;
7882         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7883
7884         if (wpa_s->vendor_elem[frame] == NULL)
7885                 return 0;
7886
7887         return wpa_snprintf_hex(buf, buflen,
7888                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
7889                                 wpabuf_len(wpa_s->vendor_elem[frame]));
7890 }
7891
7892
7893 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
7894 {
7895         char *pos = cmd;
7896         int frame;
7897         size_t len;
7898         u8 *buf;
7899         struct ieee802_11_elems elems;
7900         u8 *ie, *end;
7901
7902         frame = atoi(pos);
7903         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7904                 return -1;
7905         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7906
7907         pos = os_strchr(pos, ' ');
7908         if (pos == NULL)
7909                 return -1;
7910         pos++;
7911
7912         if (*pos == '*') {
7913                 wpabuf_free(wpa_s->vendor_elem[frame]);
7914                 wpa_s->vendor_elem[frame] = NULL;
7915                 wpas_ctrl_vendor_elem_update(wpa_s);
7916                 return 0;
7917         }
7918
7919         if (wpa_s->vendor_elem[frame] == NULL)
7920                 return -1;
7921
7922         len = os_strlen(pos);
7923         if (len == 0)
7924                 return 0;
7925         if (len & 1)
7926                 return -1;
7927         len /= 2;
7928
7929         buf = os_malloc(len);
7930         if (buf == NULL)
7931                 return -1;
7932
7933         if (hexstr2bin(pos, buf, len) < 0) {
7934                 os_free(buf);
7935                 return -1;
7936         }
7937
7938         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
7939                 os_free(buf);
7940                 return -1;
7941         }
7942
7943         ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]);
7944         end = ie + wpabuf_len(wpa_s->vendor_elem[frame]);
7945
7946         for (; ie + 1 < end; ie += 2 + ie[1]) {
7947                 if (ie + len > end)
7948                         break;
7949                 if (os_memcmp(ie, buf, len) != 0)
7950                         continue;
7951
7952                 if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) {
7953                         wpabuf_free(wpa_s->vendor_elem[frame]);
7954                         wpa_s->vendor_elem[frame] = NULL;
7955                 } else {
7956                         os_memmove(ie, ie + len,
7957                                    end - (ie + len));
7958                         wpa_s->vendor_elem[frame]->used -= len;
7959                 }
7960                 os_free(buf);
7961                 wpas_ctrl_vendor_elem_update(wpa_s);
7962                 return 0;
7963         }
7964
7965         os_free(buf);
7966
7967         return -1;
7968 }
7969
7970
7971 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
7972 {
7973         struct wpa_supplicant *wpa_s = ctx;
7974
7975         if (neighbor_rep) {
7976                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
7977                              "length=%u",
7978                              (unsigned int) wpabuf_len(neighbor_rep));
7979                 wpabuf_free(neighbor_rep);
7980         } else {
7981                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
7982         }
7983 }
7984
7985
7986 static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s,
7987                                             char *cmd)
7988 {
7989         struct wpa_ssid ssid;
7990         struct wpa_ssid *ssid_p = NULL;
7991         int ret = 0;
7992
7993         if (os_strncmp(cmd, " ssid=", 6) == 0) {
7994                 ssid.ssid_len = os_strlen(cmd + 6);
7995                 if (ssid.ssid_len > SSID_MAX_LEN)
7996                         return -1;
7997                 ssid.ssid = (u8 *) (cmd + 6);
7998                 ssid_p = &ssid;
7999         }
8000
8001         ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p,
8002                                                  wpas_ctrl_neighbor_rep_cb,
8003                                                  wpa_s);
8004
8005         return ret;
8006 }
8007
8008
8009 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
8010 {
8011         eapol_sm_erp_flush(wpa_s->eapol);
8012         return 0;
8013 }
8014
8015
8016 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
8017                                          char *cmd)
8018 {
8019         char *token, *context = NULL;
8020         unsigned int enable = ~0, type = 0;
8021         u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
8022         u8 *addr = NULL, *mask = NULL;
8023
8024         while ((token = str_token(cmd, " ", &context))) {
8025                 if (os_strcasecmp(token, "scan") == 0) {
8026                         type |= MAC_ADDR_RAND_SCAN;
8027                 } else if (os_strcasecmp(token, "sched") == 0) {
8028                         type |= MAC_ADDR_RAND_SCHED_SCAN;
8029                 } else if (os_strcasecmp(token, "pno") == 0) {
8030                         type |= MAC_ADDR_RAND_PNO;
8031                 } else if (os_strcasecmp(token, "all") == 0) {
8032                         type = wpa_s->mac_addr_rand_supported;
8033                 } else if (os_strncasecmp(token, "enable=", 7) == 0) {
8034                         enable = atoi(token + 7);
8035                 } else if (os_strncasecmp(token, "addr=", 5) == 0) {
8036                         addr = _addr;
8037                         if (hwaddr_aton(token + 5, addr)) {
8038                                 wpa_printf(MSG_INFO,
8039                                            "CTRL: Invalid MAC address: %s",
8040                                            token);
8041                                 return -1;
8042                         }
8043                 } else if (os_strncasecmp(token, "mask=", 5) == 0) {
8044                         mask = _mask;
8045                         if (hwaddr_aton(token + 5, mask)) {
8046                                 wpa_printf(MSG_INFO,
8047                                            "CTRL: Invalid MAC address mask: %s",
8048                                            token);
8049                                 return -1;
8050                         }
8051                 } else {
8052                         wpa_printf(MSG_INFO,
8053                                    "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
8054                                    token);
8055                         return -1;
8056                 }
8057         }
8058
8059         if (!type) {
8060                 wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
8061                 return -1;
8062         }
8063
8064         if ((wpa_s->mac_addr_rand_supported & type) != type) {
8065                 wpa_printf(MSG_INFO,
8066                            "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
8067                            type, wpa_s->mac_addr_rand_supported);
8068                 return -1;
8069         }
8070
8071         if (enable > 1) {
8072                 wpa_printf(MSG_INFO,
8073                            "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
8074                 return -1;
8075         }
8076
8077         if (!enable) {
8078                 wpas_mac_addr_rand_scan_clear(wpa_s, type);
8079                 if (wpa_s->pno) {
8080                         if (type & MAC_ADDR_RAND_PNO) {
8081                                 wpas_stop_pno(wpa_s);
8082                                 wpas_start_pno(wpa_s);
8083                         }
8084                 } else if (wpa_s->sched_scanning &&
8085                            (type & MAC_ADDR_RAND_SCHED_SCAN)) {
8086                         /* simulate timeout to restart the sched scan */
8087                         wpa_s->sched_scan_timed_out = 1;
8088                         wpa_s->prev_sched_ssid = NULL;
8089                         wpa_supplicant_cancel_sched_scan(wpa_s);
8090                 }
8091                 return 0;
8092         }
8093
8094         if ((addr && !mask) || (!addr && mask)) {
8095                 wpa_printf(MSG_INFO,
8096                            "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
8097                 return -1;
8098         }
8099
8100         if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
8101                 wpa_printf(MSG_INFO,
8102                            "CTRL: MAC_RAND_SCAN cannot allow multicast address");
8103                 return -1;
8104         }
8105
8106         if (type & MAC_ADDR_RAND_SCAN) {
8107                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
8108                                             addr, mask);
8109         }
8110
8111         if (type & MAC_ADDR_RAND_SCHED_SCAN) {
8112                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
8113                                             addr, mask);
8114
8115                 if (wpa_s->sched_scanning && !wpa_s->pno) {
8116                         /* simulate timeout to restart the sched scan */
8117                         wpa_s->sched_scan_timed_out = 1;
8118                         wpa_s->prev_sched_ssid = NULL;
8119                         wpa_supplicant_cancel_sched_scan(wpa_s);
8120                 }
8121         }
8122
8123         if (type & MAC_ADDR_RAND_PNO) {
8124                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
8125                                             addr, mask);
8126                 if (wpa_s->pno) {
8127                         wpas_stop_pno(wpa_s);
8128                         wpas_start_pno(wpa_s);
8129                 }
8130         }
8131
8132         return 0;
8133 }
8134
8135
8136 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
8137                                          char *buf, size_t *resp_len)
8138 {
8139         char *reply;
8140         const int reply_size = 4096;
8141         int reply_len;
8142
8143         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
8144             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8145                 if (wpa_debug_show_keys)
8146                         wpa_dbg(wpa_s, MSG_DEBUG,
8147                                 "Control interface command '%s'", buf);
8148                 else
8149                         wpa_dbg(wpa_s, MSG_DEBUG,
8150                                 "Control interface command '%s [REMOVED]'",
8151                                 os_strncmp(buf, WPA_CTRL_RSP,
8152                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
8153                                 WPA_CTRL_RSP : "SET_NETWORK");
8154         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
8155                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
8156                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
8157                                       (const u8 *) buf, os_strlen(buf));
8158         } else {
8159                 int level = MSG_DEBUG;
8160                 if (os_strcmp(buf, "PING") == 0)
8161                         level = MSG_EXCESSIVE;
8162                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
8163         }
8164
8165         reply = os_malloc(reply_size);
8166         if (reply == NULL) {
8167                 *resp_len = 1;
8168                 return NULL;
8169         }
8170
8171         os_memcpy(reply, "OK\n", 3);
8172         reply_len = 3;
8173
8174         if (os_strcmp(buf, "PING") == 0) {
8175                 os_memcpy(reply, "PONG\n", 5);
8176                 reply_len = 5;
8177         } else if (os_strcmp(buf, "IFNAME") == 0) {
8178                 reply_len = os_strlen(wpa_s->ifname);
8179                 os_memcpy(reply, wpa_s->ifname, reply_len);
8180         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
8181                 if (wpa_debug_reopen_file() < 0)
8182                         reply_len = -1;
8183         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
8184                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
8185         } else if (os_strcmp(buf, "MIB") == 0) {
8186                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
8187                 if (reply_len >= 0) {
8188                         reply_len += eapol_sm_get_mib(wpa_s->eapol,
8189                                                       reply + reply_len,
8190                                                       reply_size - reply_len);
8191                 }
8192         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
8193                 reply_len = wpa_supplicant_ctrl_iface_status(
8194                         wpa_s, buf + 6, reply, reply_size);
8195         } else if (os_strcmp(buf, "PMKSA") == 0) {
8196                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
8197                                                     reply_size);
8198         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
8199                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
8200         } else if (os_strncmp(buf, "SET ", 4) == 0) {
8201                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
8202                         reply_len = -1;
8203         } else if (os_strncmp(buf, "DUMP", 4) == 0) {
8204                 reply_len = wpa_config_dump_values(wpa_s->conf,
8205                                                    reply, reply_size);
8206         } else if (os_strncmp(buf, "GET ", 4) == 0) {
8207                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
8208                                                           reply, reply_size);
8209         } else if (os_strcmp(buf, "LOGON") == 0) {
8210                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
8211         } else if (os_strcmp(buf, "LOGOFF") == 0) {
8212                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
8213         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
8214                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8215                         reply_len = -1;
8216                 else
8217                         wpas_request_connection(wpa_s);
8218         } else if (os_strcmp(buf, "REATTACH") == 0) {
8219                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
8220                     !wpa_s->current_ssid)
8221                         reply_len = -1;
8222                 else {
8223                         wpa_s->reattach = 1;
8224                         wpas_request_connection(wpa_s);
8225                 }
8226         } else if (os_strcmp(buf, "RECONNECT") == 0) {
8227                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8228                         reply_len = -1;
8229                 else if (wpa_s->disconnected)
8230                         wpas_request_connection(wpa_s);
8231 #ifdef IEEE8021X_EAPOL
8232         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
8233                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
8234                         reply_len = -1;
8235 #endif /* IEEE8021X_EAPOL */
8236 #ifdef CONFIG_PEERKEY
8237         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
8238                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
8239                         reply_len = -1;
8240 #endif /* CONFIG_PEERKEY */
8241 #ifdef CONFIG_IEEE80211R
8242         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
8243                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
8244                         reply_len = -1;
8245 #endif /* CONFIG_IEEE80211R */
8246 #ifdef CONFIG_WPS
8247         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
8248                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
8249                 if (res == -2) {
8250                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8251                         reply_len = 17;
8252                 } else if (res)
8253                         reply_len = -1;
8254         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
8255                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
8256                 if (res == -2) {
8257                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8258                         reply_len = 17;
8259                 } else if (res)
8260                         reply_len = -1;
8261         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
8262                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
8263                                                               reply,
8264                                                               reply_size);
8265         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
8266                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
8267                         wpa_s, buf + 14, reply, reply_size);
8268         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
8269                 if (wpas_wps_cancel(wpa_s))
8270                         reply_len = -1;
8271 #ifdef CONFIG_WPS_NFC
8272         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
8273                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
8274                         reply_len = -1;
8275         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
8276                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
8277                         reply_len = -1;
8278         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
8279                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
8280                         wpa_s, buf + 21, reply, reply_size);
8281         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
8282                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
8283                         wpa_s, buf + 14, reply, reply_size);
8284         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
8285                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
8286                                                                buf + 17))
8287                         reply_len = -1;
8288         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
8289                 reply_len = wpas_ctrl_nfc_get_handover_req(
8290                         wpa_s, buf + 21, reply, reply_size);
8291         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
8292                 reply_len = wpas_ctrl_nfc_get_handover_sel(
8293                         wpa_s, buf + 21, reply, reply_size);
8294         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
8295                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
8296                         reply_len = -1;
8297 #endif /* CONFIG_WPS_NFC */
8298         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
8299                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
8300                         reply_len = -1;
8301 #ifdef CONFIG_AP
8302         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
8303                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
8304                         wpa_s, buf + 11, reply, reply_size);
8305 #endif /* CONFIG_AP */
8306 #ifdef CONFIG_WPS_ER
8307         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
8308                 if (wpas_wps_er_start(wpa_s, NULL))
8309                         reply_len = -1;
8310         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
8311                 if (wpas_wps_er_start(wpa_s, buf + 13))
8312                         reply_len = -1;
8313         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
8314                 wpas_wps_er_stop(wpa_s);
8315         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
8316                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
8317                         reply_len = -1;
8318         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
8319                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
8320                 if (ret == -2) {
8321                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8322                         reply_len = 17;
8323                 } else if (ret == -3) {
8324                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
8325                         reply_len = 18;
8326                 } else if (ret == -4) {
8327                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
8328                         reply_len = 20;
8329                 } else if (ret)
8330                         reply_len = -1;
8331         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
8332                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
8333                         reply_len = -1;
8334         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
8335                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
8336                                                                 buf + 18))
8337                         reply_len = -1;
8338         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
8339                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
8340                         reply_len = -1;
8341 #ifdef CONFIG_WPS_NFC
8342         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
8343                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
8344                         wpa_s, buf + 24, reply, reply_size);
8345 #endif /* CONFIG_WPS_NFC */
8346 #endif /* CONFIG_WPS_ER */
8347 #endif /* CONFIG_WPS */
8348 #ifdef CONFIG_IBSS_RSN
8349         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
8350                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
8351                         reply_len = -1;
8352 #endif /* CONFIG_IBSS_RSN */
8353 #ifdef CONFIG_MESH
8354         } else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
8355                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8356                         wpa_s, buf + 19, reply, reply_size);
8357         } else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
8358                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8359                         wpa_s, "", reply, reply_size);
8360         } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
8361                 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
8362                         reply_len = -1;
8363         } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
8364                 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
8365                                                                 buf + 18))
8366                         reply_len = -1;
8367 #endif /* CONFIG_MESH */
8368 #ifdef CONFIG_P2P
8369         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
8370                 if (p2p_ctrl_find(wpa_s, buf + 8))
8371                         reply_len = -1;
8372         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
8373                 if (p2p_ctrl_find(wpa_s, ""))
8374                         reply_len = -1;
8375         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
8376                 wpas_p2p_stop_find(wpa_s);
8377         } else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
8378                 if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
8379                         reply_len = -1;
8380         } else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
8381                 if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
8382                         reply_len = -1;
8383         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
8384                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
8385                                              reply_size);
8386         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
8387                 if (p2p_ctrl_listen(wpa_s, buf + 11))
8388                         reply_len = -1;
8389         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
8390                 if (p2p_ctrl_listen(wpa_s, ""))
8391                         reply_len = -1;
8392         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
8393                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
8394                         reply_len = -1;
8395         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
8396                 if (p2p_ctrl_group_add(wpa_s, ""))
8397                         reply_len = -1;
8398         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
8399                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
8400                         reply_len = -1;
8401         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
8402                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
8403                         reply_len = -1;
8404         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
8405                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
8406         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
8407                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
8408                                                    reply_size);
8409         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
8410                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
8411                         reply_len = -1;
8412         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
8413                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
8414                         reply_len = -1;
8415         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
8416                 wpas_p2p_sd_service_update(wpa_s);
8417         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
8418                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
8419                         reply_len = -1;
8420         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
8421                 wpas_p2p_service_flush(wpa_s);
8422         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
8423                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
8424                         reply_len = -1;
8425         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
8426                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
8427                         reply_len = -1;
8428         } else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
8429                 if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
8430                         reply_len = -1;
8431         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
8432                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
8433                         reply_len = -1;
8434         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
8435                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
8436                         reply_len = -1;
8437         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
8438                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
8439                                               reply_size);
8440         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
8441                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
8442                         reply_len = -1;
8443         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
8444                 p2p_ctrl_flush(wpa_s);
8445         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
8446                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
8447                         reply_len = -1;
8448         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
8449                 if (wpas_p2p_cancel(wpa_s))
8450                         reply_len = -1;
8451         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
8452                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
8453                         reply_len = -1;
8454         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
8455                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
8456                         reply_len = -1;
8457         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
8458                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
8459                         reply_len = -1;
8460         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
8461                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
8462                         reply_len = -1;
8463         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
8464                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
8465                         reply_len = -1;
8466 #endif /* CONFIG_P2P */
8467 #ifdef CONFIG_WIFI_DISPLAY
8468         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
8469                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
8470                         reply_len = -1;
8471         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
8472                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
8473                                                      reply, reply_size);
8474 #endif /* CONFIG_WIFI_DISPLAY */
8475 #ifdef CONFIG_INTERWORKING
8476         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
8477                 if (interworking_fetch_anqp(wpa_s) < 0)
8478                         reply_len = -1;
8479         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
8480                 interworking_stop_fetch_anqp(wpa_s);
8481         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
8482                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
8483                         reply_len = -1;
8484         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
8485                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
8486                         reply_len = -1;
8487         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
8488                 if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
8489                         reply_len = -1;
8490         } else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
8491                 int id;
8492
8493                 id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
8494                 if (id < 0)
8495                         reply_len = -1;
8496                 else {
8497                         reply_len = os_snprintf(reply, reply_size, "%d\n", id);
8498                         if (os_snprintf_error(reply_size, reply_len))
8499                                 reply_len = -1;
8500                 }
8501         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
8502                 if (get_anqp(wpa_s, buf + 9) < 0)
8503                         reply_len = -1;
8504         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
8505                 if (gas_request(wpa_s, buf + 12) < 0)
8506                         reply_len = -1;
8507         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
8508                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
8509                                              reply_size);
8510 #endif /* CONFIG_INTERWORKING */
8511 #ifdef CONFIG_HS20
8512         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
8513                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
8514                         reply_len = -1;
8515         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
8516                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
8517                         reply_len = -1;
8518         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
8519                 if (hs20_icon_request(wpa_s, buf + 18) < 0)
8520                         reply_len = -1;
8521         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
8522                 if (hs20_fetch_osu(wpa_s) < 0)
8523                         reply_len = -1;
8524         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
8525                 hs20_cancel_fetch_osu(wpa_s);
8526 #endif /* CONFIG_HS20 */
8527         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
8528         {
8529                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
8530                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
8531                         reply_len = -1;
8532                 else {
8533                         /*
8534                          * Notify response from timeout to allow the control
8535                          * interface response to be sent first.
8536                          */
8537                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
8538                                                wpa_s, NULL);
8539                 }
8540         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
8541                 if (wpa_supplicant_reload_configuration(wpa_s))
8542                         reply_len = -1;
8543         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8544                 wpa_supplicant_terminate_proc(wpa_s->global);
8545         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
8546                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
8547                         reply_len = -1;
8548         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
8549                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
8550                         wpa_s, buf + 9, reply, reply_size);
8551         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
8552                 reply_len = wpa_supplicant_ctrl_iface_log_level(
8553                         wpa_s, buf + 9, reply, reply_size);
8554         } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
8555                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8556                         wpa_s, buf + 14, reply, reply_size);
8557         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
8558                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8559                         wpa_s, NULL, reply, reply_size);
8560         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
8561 #ifdef CONFIG_SME
8562                 wpa_s->sme.prev_bssid_set = 0;
8563 #endif /* CONFIG_SME */
8564                 wpa_s->reassociate = 0;
8565                 wpa_s->disconnected = 1;
8566                 wpa_supplicant_cancel_sched_scan(wpa_s);
8567                 wpa_supplicant_cancel_scan(wpa_s);
8568                 wpa_supplicant_deauthenticate(wpa_s,
8569                                               WLAN_REASON_DEAUTH_LEAVING);
8570                 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
8571         } else if (os_strcmp(buf, "SCAN") == 0) {
8572                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
8573         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
8574                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
8575         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
8576                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
8577                         wpa_s, reply, reply_size);
8578         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
8579                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
8580                         reply_len = -1;
8581         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
8582                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
8583                         reply_len = -1;
8584         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
8585                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
8586                         reply_len = -1;
8587         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
8588                 reply_len = wpa_supplicant_ctrl_iface_add_network(
8589                         wpa_s, reply, reply_size);
8590         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
8591                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
8592                         reply_len = -1;
8593         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8594                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
8595                         reply_len = -1;
8596         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
8597                 reply_len = wpa_supplicant_ctrl_iface_get_network(
8598                         wpa_s, buf + 12, reply, reply_size);
8599         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
8600                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12,
8601                                                           wpa_s))
8602                         reply_len = -1;
8603         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
8604                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
8605                         wpa_s, reply, reply_size);
8606         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
8607                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
8608                         wpa_s, reply, reply_size);
8609         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
8610                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
8611                         reply_len = -1;
8612         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
8613                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
8614                         reply_len = -1;
8615         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
8616                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
8617                                                                reply,
8618                                                                reply_size);
8619 #ifndef CONFIG_NO_CONFIG_WRITE
8620         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8621                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
8622                         reply_len = -1;
8623 #endif /* CONFIG_NO_CONFIG_WRITE */
8624         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
8625                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
8626                         wpa_s, buf + 15, reply, reply_size);
8627         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
8628                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
8629                         reply_len = -1;
8630         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
8631                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
8632                         reply_len = -1;
8633         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8634                 reply_len = wpa_supplicant_global_iface_list(
8635                         wpa_s->global, reply, reply_size);
8636         } else if (os_strcmp(buf, "INTERFACES") == 0) {
8637                 reply_len = wpa_supplicant_global_iface_interfaces(
8638                         wpa_s->global, reply, reply_size);
8639         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
8640                 reply_len = wpa_supplicant_ctrl_iface_bss(
8641                         wpa_s, buf + 4, reply, reply_size);
8642 #ifdef CONFIG_AP
8643         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
8644                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
8645         } else if (os_strncmp(buf, "STA ", 4) == 0) {
8646                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
8647                                               reply_size);
8648         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
8649                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
8650                                                    reply_size);
8651         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
8652                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
8653                         reply_len = -1;
8654         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
8655                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
8656                         reply_len = -1;
8657         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
8658                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
8659                         reply_len = -1;
8660         } else if (os_strcmp(buf, "STOP_AP") == 0) {
8661                 if (wpas_ap_stop_ap(wpa_s))
8662                         reply_len = -1;
8663 #endif /* CONFIG_AP */
8664         } else if (os_strcmp(buf, "SUSPEND") == 0) {
8665                 wpas_notify_suspend(wpa_s->global);
8666         } else if (os_strcmp(buf, "RESUME") == 0) {
8667                 wpas_notify_resume(wpa_s->global);
8668 #ifdef CONFIG_TESTING_OPTIONS
8669         } else if (os_strcmp(buf, "DROP_SA") == 0) {
8670                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
8671 #endif /* CONFIG_TESTING_OPTIONS */
8672         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
8673                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
8674                         reply_len = -1;
8675         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
8676                 wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
8677         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
8678                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
8679                         reply_len = -1;
8680         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
8681                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
8682                                                                buf + 17))
8683                         reply_len = -1;
8684         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
8685                 wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
8686 #ifdef CONFIG_TDLS
8687         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
8688                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
8689                         reply_len = -1;
8690         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
8691                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
8692                         reply_len = -1;
8693         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
8694                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
8695                         reply_len = -1;
8696         } else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
8697                 if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
8698                                                                buf + 17))
8699                         reply_len = -1;
8700         } else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
8701                 if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
8702                                                                       buf + 24))
8703                         reply_len = -1;
8704         } else if (os_strncmp(buf, "TDLS_LINK_STATUS ", 17) == 0) {
8705                 reply_len = wpa_supplicant_ctrl_iface_tdls_link_status(
8706                         wpa_s, buf + 17, reply, reply_size);
8707 #endif /* CONFIG_TDLS */
8708         } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
8709                 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
8710         } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
8711                 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
8712                         reply_len = -1;
8713         } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
8714                 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
8715                         reply_len = -1;
8716         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
8717                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
8718                                                        reply_size);
8719         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
8720                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
8721                                                        reply_size);
8722 #ifdef CONFIG_AUTOSCAN
8723         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
8724                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
8725                         reply_len = -1;
8726 #endif /* CONFIG_AUTOSCAN */
8727 #ifdef ANDROID
8728         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
8729                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
8730                                                       reply_size);
8731 #endif /* ANDROID */
8732         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
8733                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
8734                                                       reply_size);
8735         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
8736                 pmksa_cache_clear_current(wpa_s->wpa);
8737                 eapol_sm_request_reauth(wpa_s->eapol);
8738 #ifdef CONFIG_WNM
8739         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
8740                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
8741                         reply_len = -1;
8742         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
8743                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
8744                                 reply_len = -1;
8745 #endif /* CONFIG_WNM */
8746         } else if (os_strcmp(buf, "FLUSH") == 0) {
8747                 wpa_supplicant_ctrl_iface_flush(wpa_s);
8748         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
8749                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
8750                                                  reply_size);
8751 #ifdef CONFIG_TESTING_OPTIONS
8752         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
8753                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
8754                         reply_len = -1;
8755         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
8756                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
8757         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
8758                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
8759                         reply_len = -1;
8760         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
8761                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
8762                         reply_len = -1;
8763         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
8764                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
8765                         reply_len = -1;
8766         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
8767                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
8768                         reply_len = -1;
8769         } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
8770                 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
8771                         reply_len = -1;
8772         } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
8773                 if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
8774                         reply_len = -1;
8775         } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
8776                 reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
8777         } else if (os_strncmp(buf, "TEST_FAIL ", 10) == 0) {
8778                 if (wpas_ctrl_test_fail(wpa_s, buf + 10) < 0)
8779                         reply_len = -1;
8780         } else if (os_strcmp(buf, "GET_FAIL") == 0) {
8781                 reply_len = wpas_ctrl_get_fail(wpa_s, reply, reply_size);
8782 #endif /* CONFIG_TESTING_OPTIONS */
8783         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
8784                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
8785                         reply_len = -1;
8786         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
8787                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
8788                                                       reply_size);
8789         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
8790                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
8791                         reply_len = -1;
8792         } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
8793                 if (wpas_ctrl_iface_send_neigbor_rep(wpa_s, buf + 20))
8794                         reply_len = -1;
8795         } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
8796                 wpas_ctrl_iface_erp_flush(wpa_s);
8797         } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
8798                 if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
8799                         reply_len = -1;
8800         } else if (os_strncmp(buf, "GET_PREF_FREQ_LIST ", 19) == 0) {
8801                 reply_len = wpas_ctrl_iface_get_pref_freq_list(
8802                         wpa_s, buf + 19, reply, reply_size);
8803         } else {
8804                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8805                 reply_len = 16;
8806         }
8807
8808         if (reply_len < 0) {
8809                 os_memcpy(reply, "FAIL\n", 5);
8810                 reply_len = 5;
8811         }
8812
8813         *resp_len = reply_len;
8814         return reply;
8815 }
8816
8817
8818 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
8819                                            char *cmd)
8820 {
8821         struct wpa_interface iface;
8822         char *pos, *extra;
8823         struct wpa_supplicant *wpa_s;
8824         unsigned int create_iface = 0;
8825         u8 mac_addr[ETH_ALEN];
8826
8827         /*
8828          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
8829          * TAB<bridge_ifname>[TAB<create>]
8830          */
8831         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
8832
8833         os_memset(&iface, 0, sizeof(iface));
8834
8835         do {
8836                 iface.ifname = pos = cmd;
8837                 pos = os_strchr(pos, '\t');
8838                 if (pos)
8839                         *pos++ = '\0';
8840                 if (iface.ifname[0] == '\0')
8841                         return -1;
8842                 if (pos == NULL)
8843                         break;
8844
8845                 iface.confname = pos;
8846                 pos = os_strchr(pos, '\t');
8847                 if (pos)
8848                         *pos++ = '\0';
8849                 if (iface.confname[0] == '\0')
8850                         iface.confname = NULL;
8851                 if (pos == NULL)
8852                         break;
8853
8854                 iface.driver = pos;
8855                 pos = os_strchr(pos, '\t');
8856                 if (pos)
8857                         *pos++ = '\0';
8858                 if (iface.driver[0] == '\0')
8859                         iface.driver = NULL;
8860                 if (pos == NULL)
8861                         break;
8862
8863                 iface.ctrl_interface = pos;
8864                 pos = os_strchr(pos, '\t');
8865                 if (pos)
8866                         *pos++ = '\0';
8867                 if (iface.ctrl_interface[0] == '\0')
8868                         iface.ctrl_interface = NULL;
8869                 if (pos == NULL)
8870                         break;
8871
8872                 iface.driver_param = pos;
8873                 pos = os_strchr(pos, '\t');
8874                 if (pos)
8875                         *pos++ = '\0';
8876                 if (iface.driver_param[0] == '\0')
8877                         iface.driver_param = NULL;
8878                 if (pos == NULL)
8879                         break;
8880
8881                 iface.bridge_ifname = pos;
8882                 pos = os_strchr(pos, '\t');
8883                 if (pos)
8884                         *pos++ = '\0';
8885                 if (iface.bridge_ifname[0] == '\0')
8886                         iface.bridge_ifname = NULL;
8887                 if (pos == NULL)
8888                         break;
8889
8890                 extra = pos;
8891                 pos = os_strchr(pos, '\t');
8892                 if (pos)
8893                         *pos++ = '\0';
8894                 if (!extra[0])
8895                         break;
8896
8897                 if (os_strcmp(extra, "create") == 0)
8898                         create_iface = 1;
8899                 else {
8900                         wpa_printf(MSG_DEBUG,
8901                                    "INTERFACE_ADD unsupported extra parameter: '%s'",
8902                                    extra);
8903                         return -1;
8904                 }
8905         } while (0);
8906
8907         if (create_iface) {
8908                 wpa_printf(MSG_DEBUG, "CTRL_IFACE creating interface '%s'",
8909                            iface.ifname);
8910                 if (!global->ifaces)
8911                         return -1;
8912                 if (wpa_drv_if_add(global->ifaces, WPA_IF_STATION, iface.ifname,
8913                                    NULL, NULL, NULL, mac_addr, NULL) < 0) {
8914                         wpa_printf(MSG_ERROR,
8915                                    "CTRL_IFACE interface creation failed");
8916                         return -1;
8917                 }
8918
8919                 wpa_printf(MSG_DEBUG,
8920                            "CTRL_IFACE interface '%s' created with MAC addr: "
8921                            MACSTR, iface.ifname, MAC2STR(mac_addr));
8922         }
8923
8924         if (wpa_supplicant_get_iface(global, iface.ifname))
8925                 goto fail;
8926
8927         wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
8928         if (!wpa_s)
8929                 goto fail;
8930         wpa_s->added_vif = create_iface;
8931         return 0;
8932
8933 fail:
8934         if (create_iface)
8935                 wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, iface.ifname);
8936         return -1;
8937 }
8938
8939
8940 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
8941                                               char *cmd)
8942 {
8943         struct wpa_supplicant *wpa_s;
8944         int ret;
8945         unsigned int delete_iface;
8946
8947         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
8948
8949         wpa_s = wpa_supplicant_get_iface(global, cmd);
8950         if (wpa_s == NULL)
8951                 return -1;
8952         delete_iface = wpa_s->added_vif;
8953         ret = wpa_supplicant_remove_iface(global, wpa_s, 0);
8954         if (!ret && delete_iface) {
8955                 wpa_printf(MSG_DEBUG, "CTRL_IFACE deleting the interface '%s'",
8956                            cmd);
8957                 ret = wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, cmd);
8958         }
8959         return ret;
8960 }
8961
8962
8963 static void wpa_free_iface_info(struct wpa_interface_info *iface)
8964 {
8965         struct wpa_interface_info *prev;
8966
8967         while (iface) {
8968                 prev = iface;
8969                 iface = iface->next;
8970
8971                 os_free(prev->ifname);
8972                 os_free(prev->desc);
8973                 os_free(prev);
8974         }
8975 }
8976
8977
8978 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
8979                                             char *buf, int len)
8980 {
8981         int i, res;
8982         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
8983         char *pos, *end;
8984
8985         for (i = 0; wpa_drivers[i]; i++) {
8986                 const struct wpa_driver_ops *drv = wpa_drivers[i];
8987                 if (drv->get_interfaces == NULL)
8988                         continue;
8989                 tmp = drv->get_interfaces(global->drv_priv[i]);
8990                 if (tmp == NULL)
8991                         continue;
8992
8993                 if (last == NULL)
8994                         iface = last = tmp;
8995                 else
8996                         last->next = tmp;
8997                 while (last->next)
8998                         last = last->next;
8999         }
9000
9001         pos = buf;
9002         end = buf + len;
9003         for (tmp = iface; tmp; tmp = tmp->next) {
9004                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
9005                                   tmp->drv_name, tmp->ifname,
9006                                   tmp->desc ? tmp->desc : "");
9007                 if (os_snprintf_error(end - pos, res)) {
9008                         *pos = '\0';
9009                         break;
9010                 }
9011                 pos += res;
9012         }
9013
9014         wpa_free_iface_info(iface);
9015
9016         return pos - buf;
9017 }
9018
9019
9020 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
9021                                                   char *buf, int len)
9022 {
9023         int res;
9024         char *pos, *end;
9025         struct wpa_supplicant *wpa_s;
9026
9027         wpa_s = global->ifaces;
9028         pos = buf;
9029         end = buf + len;
9030
9031         while (wpa_s) {
9032                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
9033                 if (os_snprintf_error(end - pos, res)) {
9034                         *pos = '\0';
9035                         break;
9036                 }
9037                 pos += res;
9038                 wpa_s = wpa_s->next;
9039         }
9040         return pos - buf;
9041 }
9042
9043
9044 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
9045                                             const char *ifname,
9046                                             char *cmd, size_t *resp_len)
9047 {
9048         struct wpa_supplicant *wpa_s;
9049
9050         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9051                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
9052                         break;
9053         }
9054
9055         if (wpa_s == NULL) {
9056                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
9057                 if (resp)
9058                         *resp_len = os_strlen(resp);
9059                 else
9060                         *resp_len = 1;
9061                 return resp;
9062         }
9063
9064         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
9065 }
9066
9067
9068 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
9069                                                char *buf, size_t *resp_len)
9070 {
9071 #ifdef CONFIG_P2P
9072         static const char * cmd[] = {
9073                 "LIST_NETWORKS",
9074                 "P2P_FIND",
9075                 "P2P_STOP_FIND",
9076                 "P2P_LISTEN",
9077                 "P2P_GROUP_ADD",
9078                 "P2P_GET_PASSPHRASE",
9079                 "P2P_SERVICE_UPDATE",
9080                 "P2P_SERVICE_FLUSH",
9081                 "P2P_FLUSH",
9082                 "P2P_CANCEL",
9083                 "P2P_PRESENCE_REQ",
9084                 "P2P_EXT_LISTEN",
9085                 NULL
9086         };
9087         static const char * prefix[] = {
9088 #ifdef ANDROID
9089                 "DRIVER ",
9090 #endif /* ANDROID */
9091                 "GET_NETWORK ",
9092                 "REMOVE_NETWORK ",
9093                 "P2P_FIND ",
9094                 "P2P_CONNECT ",
9095                 "P2P_LISTEN ",
9096                 "P2P_GROUP_REMOVE ",
9097                 "P2P_GROUP_ADD ",
9098                 "P2P_PROV_DISC ",
9099                 "P2P_SERV_DISC_REQ ",
9100                 "P2P_SERV_DISC_CANCEL_REQ ",
9101                 "P2P_SERV_DISC_RESP ",
9102                 "P2P_SERV_DISC_EXTERNAL ",
9103                 "P2P_SERVICE_ADD ",
9104                 "P2P_SERVICE_DEL ",
9105                 "P2P_SERVICE_REP ",
9106                 "P2P_REJECT ",
9107                 "P2P_INVITE ",
9108                 "P2P_PEER ",
9109                 "P2P_SET ",
9110                 "P2P_UNAUTHORIZE ",
9111                 "P2P_PRESENCE_REQ ",
9112                 "P2P_EXT_LISTEN ",
9113                 "P2P_REMOVE_CLIENT ",
9114                 "WPS_NFC_TOKEN ",
9115                 "WPS_NFC_TAG_READ ",
9116                 "NFC_GET_HANDOVER_SEL ",
9117                 "NFC_GET_HANDOVER_REQ ",
9118                 "NFC_REPORT_HANDOVER ",
9119                 "P2P_ASP_PROVISION ",
9120                 "P2P_ASP_PROVISION_RESP ",
9121                 NULL
9122         };
9123         int found = 0;
9124         int i;
9125
9126         if (global->p2p_init_wpa_s == NULL)
9127                 return NULL;
9128
9129         for (i = 0; !found && cmd[i]; i++) {
9130                 if (os_strcmp(buf, cmd[i]) == 0)
9131                         found = 1;
9132         }
9133
9134         for (i = 0; !found && prefix[i]; i++) {
9135                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
9136                         found = 1;
9137         }
9138
9139         if (found)
9140                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9141                                                          buf, resp_len);
9142 #endif /* CONFIG_P2P */
9143         return NULL;
9144 }
9145
9146
9147 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
9148                                                char *buf, size_t *resp_len)
9149 {
9150 #ifdef CONFIG_WIFI_DISPLAY
9151         if (global->p2p_init_wpa_s == NULL)
9152                 return NULL;
9153         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
9154             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
9155                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9156                                                          buf, resp_len);
9157 #endif /* CONFIG_WIFI_DISPLAY */
9158         return NULL;
9159 }
9160
9161
9162 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
9163                                            char *buf, size_t *resp_len)
9164 {
9165         char *ret;
9166
9167         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
9168         if (ret)
9169                 return ret;
9170
9171         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
9172         if (ret)
9173                 return ret;
9174
9175         return NULL;
9176 }
9177
9178
9179 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
9180 {
9181         char *value;
9182
9183         value = os_strchr(cmd, ' ');
9184         if (value == NULL)
9185                 return -1;
9186         *value++ = '\0';
9187
9188         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
9189
9190 #ifdef CONFIG_WIFI_DISPLAY
9191         if (os_strcasecmp(cmd, "wifi_display") == 0) {
9192                 wifi_display_enable(global, !!atoi(value));
9193                 return 0;
9194         }
9195 #endif /* CONFIG_WIFI_DISPLAY */
9196
9197         /* Restore cmd to its original value to allow redirection */
9198         value[-1] = ' ';
9199
9200         return -1;
9201 }
9202
9203
9204 static int wpas_global_ctrl_iface_dup_network(struct wpa_global *global,
9205                                               char *cmd)
9206 {
9207         struct wpa_supplicant *wpa_s[2]; /* src, dst */
9208         char *p;
9209         unsigned int i;
9210
9211         /* cmd: "<src ifname> <dst ifname> <src network id> <dst network id>
9212          * <variable name> */
9213
9214         for (i = 0; i < ARRAY_SIZE(wpa_s) ; i++) {
9215                 p = os_strchr(cmd, ' ');
9216                 if (p == NULL)
9217                         return -1;
9218                 *p = '\0';
9219
9220                 wpa_s[i] = global->ifaces;
9221                 for (; wpa_s[i]; wpa_s[i] = wpa_s[i]->next) {
9222                         if (os_strcmp(cmd, wpa_s[i]->ifname) == 0)
9223                                 break;
9224                 }
9225
9226                 if (!wpa_s[i]) {
9227                         wpa_printf(MSG_DEBUG,
9228                                    "CTRL_IFACE: Could not find iface=%s", cmd);
9229                         return -1;
9230                 }
9231
9232                 cmd = p + 1;
9233         }
9234
9235         return wpa_supplicant_ctrl_iface_dup_network(wpa_s[0], cmd, wpa_s[1]);
9236 }
9237
9238
9239 #ifndef CONFIG_NO_CONFIG_WRITE
9240 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
9241 {
9242         int ret = 0, saved = 0;
9243         struct wpa_supplicant *wpa_s;
9244
9245         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9246                 if (!wpa_s->conf->update_config) {
9247                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
9248                         continue;
9249                 }
9250
9251                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
9252                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
9253                         ret = 1;
9254                 } else {
9255                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
9256                         saved++;
9257                 }
9258         }
9259
9260         if (!saved && !ret) {
9261                 wpa_dbg(wpa_s, MSG_DEBUG,
9262                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
9263                 ret = 1;
9264         }
9265
9266         return ret;
9267 }
9268 #endif /* CONFIG_NO_CONFIG_WRITE */
9269
9270
9271 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
9272                                          char *buf, size_t buflen)
9273 {
9274         char *pos, *end;
9275         int ret;
9276         struct wpa_supplicant *wpa_s;
9277
9278         pos = buf;
9279         end = buf + buflen;
9280
9281 #ifdef CONFIG_P2P
9282         if (global->p2p && !global->p2p_disabled) {
9283                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
9284                                   "\n"
9285                                   "p2p_state=%s\n",
9286                                   MAC2STR(global->p2p_dev_addr),
9287                                   p2p_get_state_txt(global->p2p));
9288                 if (os_snprintf_error(end - pos, ret))
9289                         return pos - buf;
9290                 pos += ret;
9291         } else if (global->p2p) {
9292                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
9293                 if (os_snprintf_error(end - pos, ret))
9294                         return pos - buf;
9295                 pos += ret;
9296         }
9297 #endif /* CONFIG_P2P */
9298
9299 #ifdef CONFIG_WIFI_DISPLAY
9300         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
9301                           !!global->wifi_display);
9302         if (os_snprintf_error(end - pos, ret))
9303                 return pos - buf;
9304         pos += ret;
9305 #endif /* CONFIG_WIFI_DISPLAY */
9306
9307         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9308                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
9309                                   "address=" MACSTR "\n",
9310                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
9311                 if (os_snprintf_error(end - pos, ret))
9312                         return pos - buf;
9313                 pos += ret;
9314         }
9315
9316         return pos - buf;
9317 }
9318
9319
9320 #ifdef CONFIG_FST
9321
9322 static int wpas_global_ctrl_iface_fst_attach(struct wpa_global *global,
9323                                              char *cmd, char *buf,
9324                                              size_t reply_size)
9325 {
9326         char ifname[IFNAMSIZ + 1];
9327         struct fst_iface_cfg cfg;
9328         struct wpa_supplicant *wpa_s;
9329         struct fst_wpa_obj iface_obj;
9330
9331         if (!fst_parse_attach_command(cmd, ifname, sizeof(ifname), &cfg)) {
9332                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9333                 if (wpa_s) {
9334                         if (wpa_s->fst) {
9335                                 wpa_printf(MSG_INFO, "FST: Already attached");
9336                                 return -1;
9337                         }
9338                         fst_wpa_supplicant_fill_iface_obj(wpa_s, &iface_obj);
9339                         wpa_s->fst = fst_attach(ifname, wpa_s->own_addr,
9340                                                 &iface_obj, &cfg);
9341                         if (wpa_s->fst)
9342                                 return os_snprintf(buf, reply_size, "OK\n");
9343                 }
9344         }
9345
9346         return -1;
9347 }
9348
9349
9350 static int wpas_global_ctrl_iface_fst_detach(struct wpa_global *global,
9351                                              char *cmd, char *buf,
9352                                              size_t reply_size)
9353 {
9354         char ifname[IFNAMSIZ + 1];
9355         struct wpa_supplicant *wpa_s;
9356
9357         if (!fst_parse_detach_command(cmd, ifname, sizeof(ifname))) {
9358                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9359                 if (wpa_s) {
9360                         if (!fst_iface_detach(ifname)) {
9361                                 wpa_s->fst = NULL;
9362                                 return os_snprintf(buf, reply_size, "OK\n");
9363                         }
9364                 }
9365         }
9366
9367         return -1;
9368 }
9369
9370 #endif /* CONFIG_FST */
9371
9372
9373 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
9374                                                 char *buf, size_t *resp_len)
9375 {
9376         char *reply;
9377         const int reply_size = 2048;
9378         int reply_len;
9379         int level = MSG_DEBUG;
9380
9381         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
9382                 char *pos = os_strchr(buf + 7, ' ');
9383                 if (pos) {
9384                         *pos++ = '\0';
9385                         return wpas_global_ctrl_iface_ifname(global,
9386                                                              buf + 7, pos,
9387                                                              resp_len);
9388                 }
9389         }
9390
9391         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
9392         if (reply)
9393                 return reply;
9394
9395         if (os_strcmp(buf, "PING") == 0)
9396                 level = MSG_EXCESSIVE;
9397         wpa_hexdump_ascii(level, "RX global ctrl_iface",
9398                           (const u8 *) buf, os_strlen(buf));
9399
9400         reply = os_malloc(reply_size);
9401         if (reply == NULL) {
9402                 *resp_len = 1;
9403                 return NULL;
9404         }
9405
9406         os_memcpy(reply, "OK\n", 3);
9407         reply_len = 3;
9408
9409         if (os_strcmp(buf, "PING") == 0) {
9410                 os_memcpy(reply, "PONG\n", 5);
9411                 reply_len = 5;
9412         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
9413                 if (wpa_supplicant_global_iface_add(global, buf + 14))
9414                         reply_len = -1;
9415         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
9416                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
9417                         reply_len = -1;
9418         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
9419                 reply_len = wpa_supplicant_global_iface_list(
9420                         global, reply, reply_size);
9421         } else if (os_strcmp(buf, "INTERFACES") == 0) {
9422                 reply_len = wpa_supplicant_global_iface_interfaces(
9423                         global, reply, reply_size);
9424 #ifdef CONFIG_FST
9425         } else if (os_strncmp(buf, "FST-ATTACH ", 11) == 0) {
9426                 reply_len = wpas_global_ctrl_iface_fst_attach(global, buf + 11,
9427                                                               reply,
9428                                                               reply_size);
9429         } else if (os_strncmp(buf, "FST-DETACH ", 11) == 0) {
9430                 reply_len = wpas_global_ctrl_iface_fst_detach(global, buf + 11,
9431                                                               reply,
9432                                                               reply_size);
9433         } else if (os_strncmp(buf, "FST-MANAGER ", 12) == 0) {
9434                 reply_len = fst_ctrl_iface_receive(buf + 12, reply, reply_size);
9435 #endif /* CONFIG_FST */
9436         } else if (os_strcmp(buf, "TERMINATE") == 0) {
9437                 wpa_supplicant_terminate_proc(global);
9438         } else if (os_strcmp(buf, "SUSPEND") == 0) {
9439                 wpas_notify_suspend(global);
9440         } else if (os_strcmp(buf, "RESUME") == 0) {
9441                 wpas_notify_resume(global);
9442         } else if (os_strncmp(buf, "SET ", 4) == 0) {
9443                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
9444 #ifdef CONFIG_P2P
9445                         if (global->p2p_init_wpa_s) {
9446                                 os_free(reply);
9447                                 /* Check if P2P redirection would work for this
9448                                  * command. */
9449                                 return wpa_supplicant_ctrl_iface_process(
9450                                         global->p2p_init_wpa_s,
9451                                         buf, resp_len);
9452                         }
9453 #endif /* CONFIG_P2P */
9454                         reply_len = -1;
9455                 }
9456         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
9457                 if (wpas_global_ctrl_iface_dup_network(global, buf + 12))
9458                         reply_len = -1;
9459 #ifndef CONFIG_NO_CONFIG_WRITE
9460         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
9461                 if (wpas_global_ctrl_iface_save_config(global))
9462                         reply_len = -1;
9463 #endif /* CONFIG_NO_CONFIG_WRITE */
9464         } else if (os_strcmp(buf, "STATUS") == 0) {
9465                 reply_len = wpas_global_ctrl_iface_status(global, reply,
9466                                                           reply_size);
9467 #ifdef CONFIG_MODULE_TESTS
9468         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
9469                 int wpas_module_tests(void);
9470                 if (wpas_module_tests() < 0)
9471                         reply_len = -1;
9472 #endif /* CONFIG_MODULE_TESTS */
9473         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
9474                 if (wpa_debug_reopen_file() < 0)
9475                         reply_len = -1;
9476         } else {
9477                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
9478                 reply_len = 16;
9479         }
9480
9481         if (reply_len < 0) {
9482                 os_memcpy(reply, "FAIL\n", 5);
9483                 reply_len = 5;
9484         }
9485
9486         *resp_len = reply_len;
9487         return reply;
9488 }