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         } else if (os_strcasecmp(cmd, "p2p_go_csa_on_inv") == 0) {
 471                 wpa_s->p2p_go_csa_on_inv = !!atoi(value);
 472 #endif /* CONFIG_TESTING_OPTIONS */
 473 #ifndef CONFIG_NO_CONFIG_BLOBS
 474         } else if (os_strcmp(cmd, "blob") == 0) {
 475                 ret = wpas_ctrl_set_blob(wpa_s, value);
 476 #endif /* CONFIG_NO_CONFIG_BLOBS */
 477         } else if (os_strcasecmp(cmd, "setband") == 0) {
 478                 ret = wpas_ctrl_set_band(wpa_s, value);
 479         } else {
 480                 value[-1] = '=';
 481                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
 482                 if (ret == 0)
 483                         wpa_supplicant_update_config(wpa_s);
 484         }
 485
 486         return ret;
 487 }
 488
 489
 490 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
 491                                          char *cmd, char *buf, size_t buflen)
 492 {
 493         int res = -1;
 494
 495         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
 496
 497         if (os_strcmp(cmd, "version") == 0) {
 498                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
 499         } else if (os_strcasecmp(cmd, "country") == 0) {
 500                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
 501                         res = os_snprintf(buf, buflen, "%c%c",
 502                                           wpa_s->conf->country[0],
 503                                           wpa_s->conf->country[1]);
 504 #ifdef CONFIG_WIFI_DISPLAY
 505         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 506                 int enabled;
 507                 if (wpa_s->global->p2p == NULL ||
 508                     wpa_s->global->p2p_disabled)
 509                         enabled = 0;
 510                 else
 511                         enabled = wpa_s->global->wifi_display;
 512                 res = os_snprintf(buf, buflen, "%d", enabled);
 513 #endif /* CONFIG_WIFI_DISPLAY */
 514 #ifdef CONFIG_TESTING_GET_GTK
 515         } else if (os_strcmp(cmd, "gtk") == 0) {
 516                 if (wpa_s->last_gtk_len == 0)
 517                         return -1;
 518                 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
 519                                        wpa_s->last_gtk_len);
 520                 return res;
 521 #endif /* CONFIG_TESTING_GET_GTK */
 522         } else if (os_strcmp(cmd, "tls_library") == 0) {
 523                 res = tls_get_library_version(buf, buflen);
 524         } else {
 525                 res = wpa_config_get_value(cmd, wpa_s->conf, buf, buflen);
 526         }
 527
 528         if (os_snprintf_error(buflen, res))
 529                 return -1;
 530         return res;
 531 }
 532
 533
 534 #ifdef IEEE8021X_EAPOL
 535 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
 536                                              char *addr)
 537 {
 538         u8 bssid[ETH_ALEN];
 539         struct wpa_ssid *ssid = wpa_s->current_ssid;
 540
 541         if (hwaddr_aton(addr, bssid)) {
 542                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
 543                            "'%s'", addr);
 544                 return -1;
 545         }
 546
 547         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
 548         rsn_preauth_deinit(wpa_s->wpa);
 549         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
 550                 return -1;
 551
 552         return 0;
 553 }
 554 #endif /* IEEE8021X_EAPOL */
 555
 556
 557 #ifdef CONFIG_PEERKEY
 558 /* MLME-STKSTART.request(peer) */
 559 static int wpa_supplicant_ctrl_iface_stkstart(
 560         struct wpa_supplicant *wpa_s, char *addr)
 561 {
 562         u8 peer[ETH_ALEN];
 563
 564         if (hwaddr_aton(addr, peer)) {
 565                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
 566                            "address '%s'", addr);
 567                 return -1;
 568         }
 569
 570         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
 571                    MAC2STR(peer));
 572
 573         return wpa_sm_stkstart(wpa_s->wpa, peer);
 574 }
 575 #endif /* CONFIG_PEERKEY */
 576
 577
 578 #ifdef CONFIG_TDLS
 579
 580 static int wpa_supplicant_ctrl_iface_tdls_discover(
 581         struct wpa_supplicant *wpa_s, char *addr)
 582 {
 583         u8 peer[ETH_ALEN];
 584         int ret;
 585
 586         if (hwaddr_aton(addr, peer)) {
 587                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
 588                            "address '%s'", addr);
 589                 return -1;
 590         }
 591
 592         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
 593                    MAC2STR(peer));
 594
 595         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 596                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
 597         else
 598                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
 599
 600         return ret;
 601 }
 602
 603
 604 static int wpa_supplicant_ctrl_iface_tdls_setup(
 605         struct wpa_supplicant *wpa_s, char *addr)
 606 {
 607         u8 peer[ETH_ALEN];
 608         int ret;
 609
 610         if (hwaddr_aton(addr, peer)) {
 611                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
 612                            "address '%s'", addr);
 613                 return -1;
 614         }
 615
 616         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
 617                    MAC2STR(peer));
 618
 619         if ((wpa_s->conf->tdls_external_control) &&
 620             wpa_tdls_is_external_setup(wpa_s->wpa))
 621                 return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 622
 623         wpa_tdls_remove(wpa_s->wpa, peer);
 624
 625         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 626                 ret = wpa_tdls_start(wpa_s->wpa, peer);
 627         else
 628                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 629
 630         return ret;
 631 }
 632
 633
 634 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 635         struct wpa_supplicant *wpa_s, char *addr)
 636 {
 637         u8 peer[ETH_ALEN];
 638         int ret;
 639
 640         if (os_strcmp(addr, "*") == 0) {
 641                 /* remove everyone */
 642                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN *");
 643                 wpa_tdls_teardown_peers(wpa_s->wpa);
 644                 return 0;
 645         }
 646
 647         if (hwaddr_aton(addr, peer)) {
 648                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 649                            "address '%s'", addr);
 650                 return -1;
 651         }
 652
 653         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 654                    MAC2STR(peer));
 655
 656         if ((wpa_s->conf->tdls_external_control) &&
 657             wpa_tdls_is_external_setup(wpa_s->wpa))
 658                 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 659
 660         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 661                 ret = wpa_tdls_teardown_link(
 662                         wpa_s->wpa, peer,
 663                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 664         else
 665                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 666
 667         return ret;
 668 }
 669
 670
 671 static int ctrl_iface_get_capability_tdls(
 672         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
 673 {
 674         int ret;
 675
 676         ret = os_snprintf(buf, buflen, "%s\n",
 677                           wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
 678                           (wpa_s->drv_flags &
 679                            WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
 680                            "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
 681         if (os_snprintf_error(buflen, ret))
 682                 return -1;
 683         return ret;
 684 }
 685
 686
 687 static int wpa_supplicant_ctrl_iface_tdls_chan_switch(
 688         struct wpa_supplicant *wpa_s, char *cmd)
 689 {
 690         u8 peer[ETH_ALEN];
 691         struct hostapd_freq_params freq_params;
 692         u8 oper_class;
 693         char *pos, *end;
 694
 695         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
 696                 wpa_printf(MSG_INFO,
 697                            "tdls_chanswitch: Only supported with external setup");
 698                 return -1;
 699         }
 700
 701         os_memset(&freq_params, 0, sizeof(freq_params));
 702
 703         pos = os_strchr(cmd, ' ');
 704         if (pos == NULL)
 705                 return -1;
 706         *pos++ = '\0';
 707
 708         oper_class = strtol(pos, &end, 10);
 709         if (pos == end) {
 710                 wpa_printf(MSG_INFO,
 711                            "tdls_chanswitch: Invalid op class provided");
 712                 return -1;
 713         }
 714
 715         pos = end;
 716         freq_params.freq = atoi(pos);
 717         if (freq_params.freq == 0) {
 718                 wpa_printf(MSG_INFO, "tdls_chanswitch: Invalid freq provided");
 719                 return -1;
 720         }
 721
 722 #define SET_FREQ_SETTING(str) \
 723         do { \
 724                 const char *pos2 = os_strstr(pos, " " #str "="); \
 725                 if (pos2) { \
 726                         pos2 += sizeof(" " #str "=") - 1; \
 727                         freq_params.str = atoi(pos2); \
 728                 } \
 729         } while (0)
 730
 731         SET_FREQ_SETTING(center_freq1);
 732         SET_FREQ_SETTING(center_freq2);
 733         SET_FREQ_SETTING(bandwidth);
 734         SET_FREQ_SETTING(sec_channel_offset);
 735 #undef SET_FREQ_SETTING
 736
 737         freq_params.ht_enabled = !!os_strstr(pos, " ht");
 738         freq_params.vht_enabled = !!os_strstr(pos, " vht");
 739
 740         if (hwaddr_aton(cmd, peer)) {
 741                 wpa_printf(MSG_DEBUG,
 742                            "CTRL_IFACE TDLS_CHAN_SWITCH: Invalid address '%s'",
 743                            cmd);
 744                 return -1;
 745         }
 746
 747         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CHAN_SWITCH " MACSTR
 748                    " OP CLASS %d FREQ %d CENTER1 %d CENTER2 %d BW %d SEC_OFFSET %d%s%s",
 749                    MAC2STR(peer), oper_class, freq_params.freq,
 750                    freq_params.center_freq1, freq_params.center_freq2,
 751                    freq_params.bandwidth, freq_params.sec_channel_offset,
 752                    freq_params.ht_enabled ? " HT" : "",
 753                    freq_params.vht_enabled ? " VHT" : "");
 754
 755         return wpa_tdls_enable_chan_switch(wpa_s->wpa, peer, oper_class,
 756                                            &freq_params);
 757 }
 758
 759
 760 static int wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(
 761         struct wpa_supplicant *wpa_s, char *cmd)
 762 {
 763         u8 peer[ETH_ALEN];
 764
 765         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
 766                 wpa_printf(MSG_INFO,
 767                            "tdls_chanswitch: Only supported with external setup");
 768                 return -1;
 769         }
 770
 771         if (hwaddr_aton(cmd, peer)) {
 772                 wpa_printf(MSG_DEBUG,
 773                            "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH: Invalid address '%s'",
 774                            cmd);
 775                 return -1;
 776         }
 777
 778         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH " MACSTR,
 779                    MAC2STR(peer));
 780
 781         return wpa_tdls_disable_chan_switch(wpa_s->wpa, peer);
 782 }
 783
 784
 785 static int wpa_supplicant_ctrl_iface_tdls_link_status(
 786         struct wpa_supplicant *wpa_s, const char *addr,
 787         char *buf, size_t buflen)
 788 {
 789         u8 peer[ETH_ALEN];
 790         const char *tdls_status;
 791         int ret;
 792
 793         if (hwaddr_aton(addr, peer)) {
 794                 wpa_printf(MSG_DEBUG,
 795                            "CTRL_IFACE TDLS_LINK_STATUS: Invalid address '%s'",
 796                            addr);
 797                 return -1;
 798         }
 799         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS " MACSTR,
 800                    MAC2STR(peer));
 801
 802         tdls_status = wpa_tdls_get_link_status(wpa_s->wpa, peer);
 803         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS: %s", tdls_status);
 804         ret = os_snprintf(buf, buflen, "TDLS link status: %s\n", tdls_status);
 805         if (os_snprintf_error(buflen, ret))
 806                 return -1;
 807
 808         return ret;
 809 }
 810
 811 #endif /* CONFIG_TDLS */
 812
 813
 814 static int wmm_ac_ctrl_addts(struct wpa_supplicant *wpa_s, char *cmd)
 815 {
 816         char *token, *context = NULL;
 817         struct wmm_ac_ts_setup_params params = {
 818                 .tsid = 0xff,
 819                 .direction = 0xff,
 820         };
 821
 822         while ((token = str_token(cmd, " ", &context))) {
 823                 if (sscanf(token, "tsid=%i", &params.tsid) == 1 ||
 824                     sscanf(token, "up=%i", &params.user_priority) == 1 ||
 825                     sscanf(token, "nominal_msdu_size=%i",
 826                            &params.nominal_msdu_size) == 1 ||
 827                     sscanf(token, "mean_data_rate=%i",
 828                            &params.mean_data_rate) == 1 ||
 829                     sscanf(token, "min_phy_rate=%i",
 830                            &params.minimum_phy_rate) == 1 ||
 831                     sscanf(token, "sba=%i",
 832                            &params.surplus_bandwidth_allowance) == 1)
 833                         continue;
 834
 835                 if (os_strcasecmp(token, "downlink") == 0) {
 836                         params.direction = WMM_TSPEC_DIRECTION_DOWNLINK;
 837                 } else if (os_strcasecmp(token, "uplink") == 0) {
 838                         params.direction = WMM_TSPEC_DIRECTION_UPLINK;
 839                 } else if (os_strcasecmp(token, "bidi") == 0) {
 840                         params.direction = WMM_TSPEC_DIRECTION_BI_DIRECTIONAL;
 841                 } else if (os_strcasecmp(token, "fixed_nominal_msdu") == 0) {
 842                         params.fixed_nominal_msdu = 1;
 843                 } else {
 844                         wpa_printf(MSG_DEBUG,
 845                                    "CTRL: Invalid WMM_AC_ADDTS parameter: '%s'",
 846                                    token);
 847                         return -1;
 848                 }
 849
 850         }
 851
 852         return wpas_wmm_ac_addts(wpa_s, &params);
 853 }
 854
 855
 856 static int wmm_ac_ctrl_delts(struct wpa_supplicant *wpa_s, char *cmd)
 857 {
 858         u8 tsid = atoi(cmd);
 859
 860         return wpas_wmm_ac_delts(wpa_s, tsid);
 861 }
 862
 863
 864 #ifdef CONFIG_IEEE80211R
 865 static int wpa_supplicant_ctrl_iface_ft_ds(
 866         struct wpa_supplicant *wpa_s, char *addr)
 867 {
 868         u8 target_ap[ETH_ALEN];
 869         struct wpa_bss *bss;
 870         const u8 *mdie;
 871
 872         if (hwaddr_aton(addr, target_ap)) {
 873                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 874                            "address '%s'", addr);
 875                 return -1;
 876         }
 877
 878         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 879
 880         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 881         if (bss)
 882                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 883         else
 884                 mdie = NULL;
 885
 886         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 887 }
 888 #endif /* CONFIG_IEEE80211R */
 889
 890
 891 #ifdef CONFIG_WPS
 892 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 893                                              char *cmd)
 894 {
 895         u8 bssid[ETH_ALEN], *_bssid = bssid;
 896 #ifdef CONFIG_P2P
 897         u8 p2p_dev_addr[ETH_ALEN];
 898 #endif /* CONFIG_P2P */
 899 #ifdef CONFIG_AP
 900         u8 *_p2p_dev_addr = NULL;
 901 #endif /* CONFIG_AP */
 902
 903         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 904                 _bssid = NULL;
 905 #ifdef CONFIG_P2P
 906         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 907                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 908                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 909                                    "P2P Device Address '%s'",
 910                                    cmd + 13);
 911                         return -1;
 912                 }
 913                 _p2p_dev_addr = p2p_dev_addr;
 914 #endif /* CONFIG_P2P */
 915         } else if (hwaddr_aton(cmd, bssid)) {
 916                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 917                            cmd);
 918                 return -1;
 919         }
 920
 921 #ifdef CONFIG_AP
 922         if (wpa_s->ap_iface)
 923                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 924 #endif /* CONFIG_AP */
 925
 926         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 927 }
 928
 929
 930 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 931                                              char *cmd, char *buf,
 932                                              size_t buflen)
 933 {
 934         u8 bssid[ETH_ALEN], *_bssid = bssid;
 935         char *pin;
 936         int ret;
 937
 938         pin = os_strchr(cmd, ' ');
 939         if (pin)
 940                 *pin++ = '\0';
 941
 942         if (os_strcmp(cmd, "any") == 0)
 943                 _bssid = NULL;
 944         else if (os_strcmp(cmd, "get") == 0) {
 945                 ret = wps_generate_pin();
 946                 goto done;
 947         } else if (hwaddr_aton(cmd, bssid)) {
 948                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 949                            cmd);
 950                 return -1;
 951         }
 952
 953 #ifdef CONFIG_AP
 954         if (wpa_s->ap_iface) {
 955                 int timeout = 0;
 956                 char *pos;
 957
 958                 if (pin) {
 959                         pos = os_strchr(pin, ' ');
 960                         if (pos) {
 961                                 *pos++ = '\0';
 962                                 timeout = atoi(pos);
 963                         }
 964                 }
 965
 966                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 967                                                  buf, buflen, timeout);
 968         }
 969 #endif /* CONFIG_AP */
 970
 971         if (pin) {
 972                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 973                                          DEV_PW_DEFAULT);
 974                 if (ret < 0)
 975                         return -1;
 976                 ret = os_snprintf(buf, buflen, "%s", pin);
 977                 if (os_snprintf_error(buflen, ret))
 978                         return -1;
 979                 return ret;
 980         }
 981
 982         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 983         if (ret < 0)
 984                 return -1;
 985
 986 done:
 987         /* Return the generated PIN */
 988         ret = os_snprintf(buf, buflen, "%08d", ret);
 989         if (os_snprintf_error(buflen, ret))
 990                 return -1;
 991         return ret;
 992 }
 993
 994
 995 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 996         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 997 {
 998         char pin[9];
 999         size_t len;
1000         char *pos;
1001         int ret;
1002
1003         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
1004                               (u8 *) cmd, os_strlen(cmd));
1005         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
1006                 if (*pos < '0' || *pos > '9')
1007                         continue;
1008                 pin[len++] = *pos;
1009                 if (len == 9) {
1010                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
1011                         return -1;
1012                 }
1013         }
1014         if (len != 4 && len != 8) {
1015                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
1016                 return -1;
1017         }
1018         pin[len] = '\0';
1019
1020         if (len == 8) {
1021                 unsigned int pin_val;
1022                 pin_val = atoi(pin);
1023                 if (!wps_pin_valid(pin_val)) {
1024                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
1025                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
1026                         if (os_snprintf_error(buflen, ret))
1027                                 return -1;
1028                         return ret;
1029                 }
1030         }
1031
1032         ret = os_snprintf(buf, buflen, "%s", pin);
1033         if (os_snprintf_error(buflen, ret))
1034                 return -1;
1035
1036         return ret;
1037 }
1038
1039
1040 #ifdef CONFIG_WPS_NFC
1041
1042 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
1043                                              char *cmd)
1044 {
1045         u8 bssid[ETH_ALEN], *_bssid = bssid;
1046
1047         if (cmd == NULL || cmd[0] == '\0')
1048                 _bssid = NULL;
1049         else if (hwaddr_aton(cmd, bssid))
1050                 return -1;
1051
1052         return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
1053                                   0, 0);
1054 }
1055
1056
1057 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
1058         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1059 {
1060         int ndef;
1061         struct wpabuf *buf;
1062         int res;
1063         char *pos;
1064
1065         pos = os_strchr(cmd, ' ');
1066         if (pos)
1067                 *pos++ = '\0';
1068         if (os_strcmp(cmd, "WPS") == 0)
1069                 ndef = 0;
1070         else if (os_strcmp(cmd, "NDEF") == 0)
1071                 ndef = 1;
1072         else
1073                 return -1;
1074
1075         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
1076         if (buf == NULL)
1077                 return -1;
1078
1079         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1080                                          wpabuf_len(buf));
1081         reply[res++] = '\n';
1082         reply[res] = '\0';
1083
1084         wpabuf_free(buf);
1085
1086         return res;
1087 }
1088
1089
1090 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
1091         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1092 {
1093         int ndef;
1094         struct wpabuf *buf;
1095         int res;
1096
1097         if (os_strcmp(cmd, "WPS") == 0)
1098                 ndef = 0;
1099         else if (os_strcmp(cmd, "NDEF") == 0)
1100                 ndef = 1;
1101         else
1102                 return -1;
1103
1104         buf = wpas_wps_nfc_token(wpa_s, ndef);
1105         if (buf == NULL)
1106                 return -1;
1107
1108         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1109                                          wpabuf_len(buf));
1110         reply[res++] = '\n';
1111         reply[res] = '\0';
1112
1113         wpabuf_free(buf);
1114
1115         return res;
1116 }
1117
1118
1119 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
1120         struct wpa_supplicant *wpa_s, char *pos)
1121 {
1122         size_t len;
1123         struct wpabuf *buf;
1124         int ret;
1125         char *freq;
1126         int forced_freq = 0;
1127
1128         freq = strstr(pos, " freq=");
1129         if (freq) {
1130                 *freq = '\0';
1131                 freq += 6;
1132                 forced_freq = atoi(freq);
1133         }
1134
1135         len = os_strlen(pos);
1136         if (len & 0x01)
1137                 return -1;
1138         len /= 2;
1139
1140         buf = wpabuf_alloc(len);
1141         if (buf == NULL)
1142                 return -1;
1143         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
1144                 wpabuf_free(buf);
1145                 return -1;
1146         }
1147
1148         ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
1149         wpabuf_free(buf);
1150
1151         return ret;
1152 }
1153
1154
1155 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
1156                                               char *reply, size_t max_len,
1157                                               int ndef)
1158 {
1159         struct wpabuf *buf;
1160         int res;
1161
1162         buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
1163         if (buf == NULL)
1164                 return -1;
1165
1166         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1167                                          wpabuf_len(buf));
1168         reply[res++] = '\n';
1169         reply[res] = '\0';
1170
1171         wpabuf_free(buf);
1172
1173         return res;
1174 }
1175
1176
1177 #ifdef CONFIG_P2P
1178 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
1179                                               char *reply, size_t max_len,
1180                                               int ndef)
1181 {
1182         struct wpabuf *buf;
1183         int res;
1184
1185         buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
1186         if (buf == NULL) {
1187                 wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
1188                 return -1;
1189         }
1190
1191         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1192                                          wpabuf_len(buf));
1193         reply[res++] = '\n';
1194         reply[res] = '\0';
1195
1196         wpabuf_free(buf);
1197
1198         return res;
1199 }
1200 #endif /* CONFIG_P2P */
1201
1202
1203 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
1204                                           char *cmd, char *reply,
1205                                           size_t max_len)
1206 {
1207         char *pos;
1208         int ndef;
1209
1210         pos = os_strchr(cmd, ' ');
1211         if (pos == NULL)
1212                 return -1;
1213         *pos++ = '\0';
1214
1215         if (os_strcmp(cmd, "WPS") == 0)
1216                 ndef = 0;
1217         else if (os_strcmp(cmd, "NDEF") == 0)
1218                 ndef = 1;
1219         else
1220                 return -1;
1221
1222         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1223                 if (!ndef)
1224                         return -1;
1225                 return wpas_ctrl_nfc_get_handover_req_wps(
1226                         wpa_s, reply, max_len, ndef);
1227         }
1228
1229 #ifdef CONFIG_P2P
1230         if (os_strcmp(pos, "P2P-CR") == 0) {
1231                 return wpas_ctrl_nfc_get_handover_req_p2p(
1232                         wpa_s, reply, max_len, ndef);
1233         }
1234 #endif /* CONFIG_P2P */
1235
1236         return -1;
1237 }
1238
1239
1240 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1241                                               char *reply, size_t max_len,
1242                                               int ndef, int cr, char *uuid)
1243 {
1244         struct wpabuf *buf;
1245         int res;
1246
1247         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1248         if (buf == NULL)
1249                 return -1;
1250
1251         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1252                                          wpabuf_len(buf));
1253         reply[res++] = '\n';
1254         reply[res] = '\0';
1255
1256         wpabuf_free(buf);
1257
1258         return res;
1259 }
1260
1261
1262 #ifdef CONFIG_P2P
1263 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1264                                               char *reply, size_t max_len,
1265                                               int ndef, int tag)
1266 {
1267         struct wpabuf *buf;
1268         int res;
1269
1270         buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1271         if (buf == NULL)
1272                 return -1;
1273
1274         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1275                                          wpabuf_len(buf));
1276         reply[res++] = '\n';
1277         reply[res] = '\0';
1278
1279         wpabuf_free(buf);
1280
1281         return res;
1282 }
1283 #endif /* CONFIG_P2P */
1284
1285
1286 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1287                                           char *cmd, char *reply,
1288                                           size_t max_len)
1289 {
1290         char *pos, *pos2;
1291         int ndef;
1292
1293         pos = os_strchr(cmd, ' ');
1294         if (pos == NULL)
1295                 return -1;
1296         *pos++ = '\0';
1297
1298         if (os_strcmp(cmd, "WPS") == 0)
1299                 ndef = 0;
1300         else if (os_strcmp(cmd, "NDEF") == 0)
1301                 ndef = 1;
1302         else
1303                 return -1;
1304
1305         pos2 = os_strchr(pos, ' ');
1306         if (pos2)
1307                 *pos2++ = '\0';
1308         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1309                 if (!ndef)
1310                         return -1;
1311                 return wpas_ctrl_nfc_get_handover_sel_wps(
1312                         wpa_s, reply, max_len, ndef,
1313                         os_strcmp(pos, "WPS-CR") == 0, pos2);
1314         }
1315
1316 #ifdef CONFIG_P2P
1317         if (os_strcmp(pos, "P2P-CR") == 0) {
1318                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1319                         wpa_s, reply, max_len, ndef, 0);
1320         }
1321
1322         if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1323                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1324                         wpa_s, reply, max_len, ndef, 1);
1325         }
1326 #endif /* CONFIG_P2P */
1327
1328         return -1;
1329 }
1330
1331
1332 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1333                                          char *cmd)
1334 {
1335         size_t len;
1336         struct wpabuf *req, *sel;
1337         int ret;
1338         char *pos, *role, *type, *pos2;
1339 #ifdef CONFIG_P2P
1340         char *freq;
1341         int forced_freq = 0;
1342
1343         freq = strstr(cmd, " freq=");
1344         if (freq) {
1345                 *freq = '\0';
1346                 freq += 6;
1347                 forced_freq = atoi(freq);
1348         }
1349 #endif /* CONFIG_P2P */
1350
1351         role = cmd;
1352         pos = os_strchr(role, ' ');
1353         if (pos == NULL) {
1354                 wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1355                 return -1;
1356         }
1357         *pos++ = '\0';
1358
1359         type = pos;
1360         pos = os_strchr(type, ' ');
1361         if (pos == NULL) {
1362                 wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1363                 return -1;
1364         }
1365         *pos++ = '\0';
1366
1367         pos2 = os_strchr(pos, ' ');
1368         if (pos2 == NULL) {
1369                 wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1370                 return -1;
1371         }
1372         *pos2++ = '\0';
1373
1374         len = os_strlen(pos);
1375         if (len & 0x01) {
1376                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1377                 return -1;
1378         }
1379         len /= 2;
1380
1381         req = wpabuf_alloc(len);
1382         if (req == NULL) {
1383                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1384                 return -1;
1385         }
1386         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1387                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1388                 wpabuf_free(req);
1389                 return -1;
1390         }
1391
1392         len = os_strlen(pos2);
1393         if (len & 0x01) {
1394                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1395                 wpabuf_free(req);
1396                 return -1;
1397         }
1398         len /= 2;
1399
1400         sel = wpabuf_alloc(len);
1401         if (sel == NULL) {
1402                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1403                 wpabuf_free(req);
1404                 return -1;
1405         }
1406         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1407                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1408                 wpabuf_free(req);
1409                 wpabuf_free(sel);
1410                 return -1;
1411         }
1412
1413         wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1414                    role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1415
1416         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1417                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1418 #ifdef CONFIG_AP
1419         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1420         {
1421                 ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1422                 if (ret < 0)
1423                         ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1424 #endif /* CONFIG_AP */
1425 #ifdef CONFIG_P2P
1426         } else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1427         {
1428                 ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1429         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1430         {
1431                 ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1432                                                    forced_freq);
1433 #endif /* CONFIG_P2P */
1434         } else {
1435                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1436                            "reported: role=%s type=%s", role, type);
1437                 ret = -1;
1438         }
1439         wpabuf_free(req);
1440         wpabuf_free(sel);
1441
1442         if (ret)
1443                 wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1444
1445         return ret;
1446 }
1447
1448 #endif /* CONFIG_WPS_NFC */
1449
1450
1451 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1452                                              char *cmd)
1453 {
1454         u8 bssid[ETH_ALEN];
1455         char *pin;
1456         char *new_ssid;
1457         char *new_auth;
1458         char *new_encr;
1459         char *new_key;
1460         struct wps_new_ap_settings ap;
1461
1462         pin = os_strchr(cmd, ' ');
1463         if (pin == NULL)
1464                 return -1;
1465         *pin++ = '\0';
1466
1467         if (hwaddr_aton(cmd, bssid)) {
1468                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1469                            cmd);
1470                 return -1;
1471         }
1472
1473         new_ssid = os_strchr(pin, ' ');
1474         if (new_ssid == NULL)
1475                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1476         *new_ssid++ = '\0';
1477
1478         new_auth = os_strchr(new_ssid, ' ');
1479         if (new_auth == NULL)
1480                 return -1;
1481         *new_auth++ = '\0';
1482
1483         new_encr = os_strchr(new_auth, ' ');
1484         if (new_encr == NULL)
1485                 return -1;
1486         *new_encr++ = '\0';
1487
1488         new_key = os_strchr(new_encr, ' ');
1489         if (new_key == NULL)
1490                 return -1;
1491         *new_key++ = '\0';
1492
1493         os_memset(&ap, 0, sizeof(ap));
1494         ap.ssid_hex = new_ssid;
1495         ap.auth = new_auth;
1496         ap.encr = new_encr;
1497         ap.key_hex = new_key;
1498         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1499 }
1500
1501
1502 #ifdef CONFIG_AP
1503 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1504                                                 char *cmd, char *buf,
1505                                                 size_t buflen)
1506 {
1507         int timeout = 300;
1508         char *pos;
1509         const char *pin_txt;
1510
1511         if (!wpa_s->ap_iface)
1512                 return -1;
1513
1514         pos = os_strchr(cmd, ' ');
1515         if (pos)
1516                 *pos++ = '\0';
1517
1518         if (os_strcmp(cmd, "disable") == 0) {
1519                 wpas_wps_ap_pin_disable(wpa_s);
1520                 return os_snprintf(buf, buflen, "OK\n");
1521         }
1522
1523         if (os_strcmp(cmd, "random") == 0) {
1524                 if (pos)
1525                         timeout = atoi(pos);
1526                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1527                 if (pin_txt == NULL)
1528                         return -1;
1529                 return os_snprintf(buf, buflen, "%s", pin_txt);
1530         }
1531
1532         if (os_strcmp(cmd, "get") == 0) {
1533                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1534                 if (pin_txt == NULL)
1535                         return -1;
1536                 return os_snprintf(buf, buflen, "%s", pin_txt);
1537         }
1538
1539         if (os_strcmp(cmd, "set") == 0) {
1540                 char *pin;
1541                 if (pos == NULL)
1542                         return -1;
1543                 pin = pos;
1544                 pos = os_strchr(pos, ' ');
1545                 if (pos) {
1546                         *pos++ = '\0';
1547                         timeout = atoi(pos);
1548                 }
1549                 if (os_strlen(pin) > buflen)
1550                         return -1;
1551                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1552                         return -1;
1553                 return os_snprintf(buf, buflen, "%s", pin);
1554         }
1555
1556         return -1;
1557 }
1558 #endif /* CONFIG_AP */
1559
1560
1561 #ifdef CONFIG_WPS_ER
1562 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1563                                                 char *cmd)
1564 {
1565         char *uuid = cmd, *pin, *pos;
1566         u8 addr_buf[ETH_ALEN], *addr = NULL;
1567         pin = os_strchr(uuid, ' ');
1568         if (pin == NULL)
1569                 return -1;
1570         *pin++ = '\0';
1571         pos = os_strchr(pin, ' ');
1572         if (pos) {
1573                 *pos++ = '\0';
1574                 if (hwaddr_aton(pos, addr_buf) == 0)
1575                         addr = addr_buf;
1576         }
1577         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1578 }
1579
1580
1581 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1582                                                   char *cmd)
1583 {
1584         char *uuid = cmd, *pin;
1585         pin = os_strchr(uuid, ' ');
1586         if (pin == NULL)
1587                 return -1;
1588         *pin++ = '\0';
1589         return wpas_wps_er_learn(wpa_s, uuid, pin);
1590 }
1591
1592
1593 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1594         struct wpa_supplicant *wpa_s, char *cmd)
1595 {
1596         char *uuid = cmd, *id;
1597         id = os_strchr(uuid, ' ');
1598         if (id == NULL)
1599                 return -1;
1600         *id++ = '\0';
1601         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1602 }
1603
1604
1605 static int wpa_supplicant_ctrl_iface_wps_er_config(
1606         struct wpa_supplicant *wpa_s, char *cmd)
1607 {
1608         char *pin;
1609         char *new_ssid;
1610         char *new_auth;
1611         char *new_encr;
1612         char *new_key;
1613         struct wps_new_ap_settings ap;
1614
1615         pin = os_strchr(cmd, ' ');
1616         if (pin == NULL)
1617                 return -1;
1618         *pin++ = '\0';
1619
1620         new_ssid = os_strchr(pin, ' ');
1621         if (new_ssid == NULL)
1622                 return -1;
1623         *new_ssid++ = '\0';
1624
1625         new_auth = os_strchr(new_ssid, ' ');
1626         if (new_auth == NULL)
1627                 return -1;
1628         *new_auth++ = '\0';
1629
1630         new_encr = os_strchr(new_auth, ' ');
1631         if (new_encr == NULL)
1632                 return -1;
1633         *new_encr++ = '\0';
1634
1635         new_key = os_strchr(new_encr, ' ');
1636         if (new_key == NULL)
1637                 return -1;
1638         *new_key++ = '\0';
1639
1640         os_memset(&ap, 0, sizeof(ap));
1641         ap.ssid_hex = new_ssid;
1642         ap.auth = new_auth;
1643         ap.encr = new_encr;
1644         ap.key_hex = new_key;
1645         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1646 }
1647
1648
1649 #ifdef CONFIG_WPS_NFC
1650 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1651         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1652 {
1653         int ndef;
1654         struct wpabuf *buf;
1655         int res;
1656         char *uuid;
1657
1658         uuid = os_strchr(cmd, ' ');
1659         if (uuid == NULL)
1660                 return -1;
1661         *uuid++ = '\0';
1662
1663         if (os_strcmp(cmd, "WPS") == 0)
1664                 ndef = 0;
1665         else if (os_strcmp(cmd, "NDEF") == 0)
1666                 ndef = 1;
1667         else
1668                 return -1;
1669
1670         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1671         if (buf == NULL)
1672                 return -1;
1673
1674         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1675                                          wpabuf_len(buf));
1676         reply[res++] = '\n';
1677         reply[res] = '\0';
1678
1679         wpabuf_free(buf);
1680
1681         return res;
1682 }
1683 #endif /* CONFIG_WPS_NFC */
1684 #endif /* CONFIG_WPS_ER */
1685
1686 #endif /* CONFIG_WPS */
1687
1688
1689 #ifdef CONFIG_IBSS_RSN
1690 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1691         struct wpa_supplicant *wpa_s, char *addr)
1692 {
1693         u8 peer[ETH_ALEN];
1694
1695         if (hwaddr_aton(addr, peer)) {
1696                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1697                            "address '%s'", addr);
1698                 return -1;
1699         }
1700
1701         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1702                    MAC2STR(peer));
1703
1704         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1705 }
1706 #endif /* CONFIG_IBSS_RSN */
1707
1708
1709 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1710                                               char *rsp)
1711 {
1712 #ifdef IEEE8021X_EAPOL
1713         char *pos, *id_pos;
1714         int id;
1715         struct wpa_ssid *ssid;
1716
1717         pos = os_strchr(rsp, '-');
1718         if (pos == NULL)
1719                 return -1;
1720         *pos++ = '\0';
1721         id_pos = pos;
1722         pos = os_strchr(pos, ':');
1723         if (pos == NULL)
1724                 return -1;
1725         *pos++ = '\0';
1726         id = atoi(id_pos);
1727         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1728         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1729                               (u8 *) pos, os_strlen(pos));
1730
1731         ssid = wpa_config_get_network(wpa_s->conf, id);
1732         if (ssid == NULL) {
1733                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1734                            "to update", id);
1735                 return -1;
1736         }
1737
1738         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1739                                                          pos);
1740 #else /* IEEE8021X_EAPOL */
1741         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1742         return -1;
1743 #endif /* IEEE8021X_EAPOL */
1744 }
1745
1746
1747 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1748                                             const char *params,
1749                                             char *buf, size_t buflen)
1750 {
1751         char *pos, *end, tmp[30];
1752         int res, verbose, wps, ret;
1753 #ifdef CONFIG_HS20
1754         const u8 *hs20;
1755 #endif /* CONFIG_HS20 */
1756         const u8 *sess_id;
1757         size_t sess_id_len;
1758
1759         if (os_strcmp(params, "-DRIVER") == 0)
1760                 return wpa_drv_status(wpa_s, buf, buflen);
1761         verbose = os_strcmp(params, "-VERBOSE") == 0;
1762         wps = os_strcmp(params, "-WPS") == 0;
1763         pos = buf;
1764         end = buf + buflen;
1765         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1766                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1767                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1768                                   MAC2STR(wpa_s->bssid));
1769                 if (os_snprintf_error(end - pos, ret))
1770                         return pos - buf;
1771                 pos += ret;
1772                 ret = os_snprintf(pos, end - pos, "freq=%u\n",
1773                                   wpa_s->assoc_freq);
1774                 if (os_snprintf_error(end - pos, ret))
1775                         return pos - buf;
1776                 pos += ret;
1777                 if (ssid) {
1778                         u8 *_ssid = ssid->ssid;
1779                         size_t ssid_len = ssid->ssid_len;
1780                         u8 ssid_buf[SSID_MAX_LEN];
1781                         if (ssid_len == 0) {
1782                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1783                                 if (_res < 0)
1784                                         ssid_len = 0;
1785                                 else
1786                                         ssid_len = _res;
1787                                 _ssid = ssid_buf;
1788                         }
1789                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1790                                           wpa_ssid_txt(_ssid, ssid_len),
1791                                           ssid->id);
1792                         if (os_snprintf_error(end - pos, ret))
1793                                 return pos - buf;
1794                         pos += ret;
1795
1796                         if (wps && ssid->passphrase &&
1797                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1798                             (ssid->mode == WPAS_MODE_AP ||
1799                              ssid->mode == WPAS_MODE_P2P_GO)) {
1800                                 ret = os_snprintf(pos, end - pos,
1801                                                   "passphrase=%s\n",
1802                                                   ssid->passphrase);
1803                                 if (os_snprintf_error(end - pos, ret))
1804                                         return pos - buf;
1805                                 pos += ret;
1806                         }
1807                         if (ssid->id_str) {
1808                                 ret = os_snprintf(pos, end - pos,
1809                                                   "id_str=%s\n",
1810                                                   ssid->id_str);
1811                                 if (os_snprintf_error(end - pos, ret))
1812                                         return pos - buf;
1813                                 pos += ret;
1814                         }
1815
1816                         switch (ssid->mode) {
1817                         case WPAS_MODE_INFRA:
1818                                 ret = os_snprintf(pos, end - pos,
1819                                                   "mode=station\n");
1820                                 break;
1821                         case WPAS_MODE_IBSS:
1822                                 ret = os_snprintf(pos, end - pos,
1823                                                   "mode=IBSS\n");
1824                                 break;
1825                         case WPAS_MODE_AP:
1826                                 ret = os_snprintf(pos, end - pos,
1827                                                   "mode=AP\n");
1828                                 break;
1829                         case WPAS_MODE_P2P_GO:
1830                                 ret = os_snprintf(pos, end - pos,
1831                                                   "mode=P2P GO\n");
1832                                 break;
1833                         case WPAS_MODE_P2P_GROUP_FORMATION:
1834                                 ret = os_snprintf(pos, end - pos,
1835                                                   "mode=P2P GO - group "
1836                                                   "formation\n");
1837                                 break;
1838                         default:
1839                                 ret = 0;
1840                                 break;
1841                         }
1842                         if (os_snprintf_error(end - pos, ret))
1843                                 return pos - buf;
1844                         pos += ret;
1845                 }
1846
1847 #ifdef CONFIG_AP
1848                 if (wpa_s->ap_iface) {
1849                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1850                                                             end - pos,
1851                                                             verbose);
1852                 } else
1853 #endif /* CONFIG_AP */
1854                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1855         }
1856 #ifdef CONFIG_SAE
1857         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1858 #ifdef CONFIG_AP
1859             !wpa_s->ap_iface &&
1860 #endif /* CONFIG_AP */
1861             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1862                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1863                                   wpa_s->sme.sae.group);
1864                 if (os_snprintf_error(end - pos, ret))
1865                         return pos - buf;
1866                 pos += ret;
1867         }
1868 #endif /* CONFIG_SAE */
1869         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1870                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1871         if (os_snprintf_error(end - pos, ret))
1872                 return pos - buf;
1873         pos += ret;
1874
1875         if (wpa_s->l2 &&
1876             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1877                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1878                 if (os_snprintf_error(end - pos, ret))
1879                         return pos - buf;
1880                 pos += ret;
1881         }
1882
1883 #ifdef CONFIG_P2P
1884         if (wpa_s->global->p2p) {
1885                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1886                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1887                 if (os_snprintf_error(end - pos, ret))
1888                         return pos - buf;
1889                 pos += ret;
1890         }
1891 #endif /* CONFIG_P2P */
1892
1893         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1894                           MAC2STR(wpa_s->own_addr));
1895         if (os_snprintf_error(end - pos, ret))
1896                 return pos - buf;
1897         pos += ret;
1898
1899 #ifdef CONFIG_HS20
1900         if (wpa_s->current_bss &&
1901             (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1902                                           HS20_IE_VENDOR_TYPE)) &&
1903             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1904             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1905                 int release = 1;
1906                 if (hs20[1] >= 5) {
1907                         u8 rel_num = (hs20[6] & 0xf0) >> 4;
1908                         release = rel_num + 1;
1909                 }
1910                 ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
1911                 if (os_snprintf_error(end - pos, ret))
1912                         return pos - buf;
1913                 pos += ret;
1914         }
1915
1916         if (wpa_s->current_ssid) {
1917                 struct wpa_cred *cred;
1918                 char *type;
1919
1920                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1921                         size_t i;
1922
1923                         if (wpa_s->current_ssid->parent_cred != cred)
1924                                 continue;
1925
1926                         if (cred->provisioning_sp) {
1927                                 ret = os_snprintf(pos, end - pos,
1928                                                   "provisioning_sp=%s\n",
1929                                                   cred->provisioning_sp);
1930                                 if (os_snprintf_error(end - pos, ret))
1931                                         return pos - buf;
1932                                 pos += ret;
1933                         }
1934
1935                         if (!cred->domain)
1936                                 goto no_domain;
1937
1938                         i = 0;
1939                         if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
1940                                 struct wpabuf *names =
1941                                         wpa_s->current_bss->anqp->domain_name;
1942                                 for (i = 0; names && i < cred->num_domain; i++)
1943                                 {
1944                                         if (domain_name_list_contains(
1945                                                     names, cred->domain[i], 1))
1946                                                 break;
1947                                 }
1948                                 if (i == cred->num_domain)
1949                                         i = 0; /* show first entry by default */
1950                         }
1951                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1952                                           cred->domain[i]);
1953                         if (os_snprintf_error(end - pos, ret))
1954                                 return pos - buf;
1955                         pos += ret;
1956
1957                 no_domain:
1958                         if (wpa_s->current_bss == NULL ||
1959                             wpa_s->current_bss->anqp == NULL)
1960                                 res = -1;
1961                         else
1962                                 res = interworking_home_sp_cred(
1963                                         wpa_s, cred,
1964                                         wpa_s->current_bss->anqp->domain_name);
1965                         if (res > 0)
1966                                 type = "home";
1967                         else if (res == 0)
1968                                 type = "roaming";
1969                         else
1970                                 type = "unknown";
1971
1972                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1973                         if (os_snprintf_error(end - pos, ret))
1974                                 return pos - buf;
1975                         pos += ret;
1976
1977                         break;
1978                 }
1979         }
1980 #endif /* CONFIG_HS20 */
1981
1982         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1983             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1984                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1985                                           verbose);
1986                 if (res >= 0)
1987                         pos += res;
1988         }
1989
1990         sess_id = eapol_sm_get_session_id(wpa_s->eapol, &sess_id_len);
1991         if (sess_id) {
1992                 char *start = pos;
1993
1994                 ret = os_snprintf(pos, end - pos, "eap_session_id=");
1995                 if (os_snprintf_error(end - pos, ret))
1996                         return start - buf;
1997                 pos += ret;
1998                 ret = wpa_snprintf_hex(pos, end - pos, sess_id, sess_id_len);
1999                 if (ret <= 0)
2000                         return start - buf;
2001                 pos += ret;
2002                 ret = os_snprintf(pos, end - pos, "\n");
2003                 if (os_snprintf_error(end - pos, ret))
2004                         return start - buf;
2005                 pos += ret;
2006         }
2007
2008         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
2009         if (res >= 0)
2010                 pos += res;
2011
2012 #ifdef CONFIG_WPS
2013         {
2014                 char uuid_str[100];
2015                 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
2016                 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
2017                 if (os_snprintf_error(end - pos, ret))
2018                         return pos - buf;
2019                 pos += ret;
2020         }
2021 #endif /* CONFIG_WPS */
2022
2023 #ifdef ANDROID
2024         /*
2025          * Allow using the STATUS command with default behavior, say for debug,
2026          * i.e., don't generate a "fake" CONNECTION and SUPPLICANT_STATE_CHANGE
2027          * events with STATUS-NO_EVENTS.
2028          */
2029         if (os_strcmp(params, "-NO_EVENTS")) {
2030                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
2031                              "id=%d state=%d BSSID=" MACSTR " SSID=%s",
2032                              wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
2033                              wpa_s->wpa_state,
2034                              MAC2STR(wpa_s->bssid),
2035                              wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
2036                              wpa_ssid_txt(wpa_s->current_ssid->ssid,
2037                                           wpa_s->current_ssid->ssid_len) : "");
2038                 if (wpa_s->wpa_state == WPA_COMPLETED) {
2039                         struct wpa_ssid *ssid = wpa_s->current_ssid;
2040                         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
2041                                      "- connection to " MACSTR
2042                                      " completed %s [id=%d id_str=%s]",
2043                                      MAC2STR(wpa_s->bssid), "(auth)",
2044                                      ssid ? ssid->id : -1,
2045                                      ssid && ssid->id_str ? ssid->id_str : "");
2046                 }
2047         }
2048 #endif /* ANDROID */
2049
2050         return pos - buf;
2051 }
2052
2053
2054 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
2055                                            char *cmd)
2056 {
2057         char *pos;
2058         int id;
2059         struct wpa_ssid *ssid;
2060         u8 bssid[ETH_ALEN];
2061
2062         /* cmd: "<network id> <BSSID>" */
2063         pos = os_strchr(cmd, ' ');
2064         if (pos == NULL)
2065                 return -1;
2066         *pos++ = '\0';
2067         id = atoi(cmd);
2068         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
2069         if (hwaddr_aton(pos, bssid)) {
2070                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
2071                 return -1;
2072         }
2073
2074         ssid = wpa_config_get_network(wpa_s->conf, id);
2075         if (ssid == NULL) {
2076                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
2077                            "to update", id);
2078                 return -1;
2079         }
2080
2081         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
2082         ssid->bssid_set = !is_zero_ether_addr(bssid);
2083
2084         return 0;
2085 }
2086
2087
2088 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
2089                                                char *cmd, char *buf,
2090                                                size_t buflen)
2091 {
2092         u8 bssid[ETH_ALEN];
2093         struct wpa_blacklist *e;
2094         char *pos, *end;
2095         int ret;
2096
2097         /* cmd: "BLACKLIST [<BSSID>]" */
2098         if (*cmd == '\0') {
2099                 pos = buf;
2100                 end = buf + buflen;
2101                 e = wpa_s->blacklist;
2102                 while (e) {
2103                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
2104                                           MAC2STR(e->bssid));
2105                         if (os_snprintf_error(end - pos, ret))
2106                                 return pos - buf;
2107                         pos += ret;
2108                         e = e->next;
2109                 }
2110                 return pos - buf;
2111         }
2112
2113         cmd++;
2114         if (os_strncmp(cmd, "clear", 5) == 0) {
2115                 wpa_blacklist_clear(wpa_s);
2116                 os_memcpy(buf, "OK\n", 3);
2117                 return 3;
2118         }
2119
2120         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
2121         if (hwaddr_aton(cmd, bssid)) {
2122                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
2123                 return -1;
2124         }
2125
2126         /*
2127          * Add the BSSID twice, so its count will be 2, causing it to be
2128          * skipped when processing scan results.
2129          */
2130         ret = wpa_blacklist_add(wpa_s, bssid);
2131         if (ret < 0)
2132                 return -1;
2133         ret = wpa_blacklist_add(wpa_s, bssid);
2134         if (ret < 0)
2135                 return -1;
2136         os_memcpy(buf, "OK\n", 3);
2137         return 3;
2138 }
2139
2140
2141 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
2142                                                char *cmd, char *buf,
2143                                                size_t buflen)
2144 {
2145         char *pos, *end, *stamp;
2146         int ret;
2147
2148         /* cmd: "LOG_LEVEL [<level>]" */
2149         if (*cmd == '\0') {
2150                 pos = buf;
2151                 end = buf + buflen;
2152                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
2153                                   "Timestamp: %d\n",
2154                                   debug_level_str(wpa_debug_level),
2155                                   wpa_debug_timestamp);
2156                 if (os_snprintf_error(end - pos, ret))
2157                         ret = 0;
2158
2159                 return ret;
2160         }
2161
2162         while (*cmd == ' ')
2163                 cmd++;
2164
2165         stamp = os_strchr(cmd, ' ');
2166         if (stamp) {
2167                 *stamp++ = '\0';
2168                 while (*stamp == ' ') {
2169                         stamp++;
2170                 }
2171         }
2172
2173         if (os_strlen(cmd)) {
2174                 int level = str_to_debug_level(cmd);
2175                 if (level < 0)
2176                         return -1;
2177                 wpa_debug_level = level;
2178         }
2179
2180         if (stamp && os_strlen(stamp))
2181                 wpa_debug_timestamp = atoi(stamp);
2182
2183         os_memcpy(buf, "OK\n", 3);
2184         return 3;
2185 }
2186
2187
2188 static int wpa_supplicant_ctrl_iface_list_networks(
2189         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2190 {
2191         char *pos, *end, *prev;
2192         struct wpa_ssid *ssid;
2193         int ret;
2194
2195         pos = buf;
2196         end = buf + buflen;
2197         ret = os_snprintf(pos, end - pos,
2198                           "network id / ssid / bssid / flags\n");
2199         if (os_snprintf_error(end - pos, ret))
2200                 return pos - buf;
2201         pos += ret;
2202
2203         ssid = wpa_s->conf->ssid;
2204
2205         /* skip over ssids until we find next one */
2206         if (cmd != NULL && os_strncmp(cmd, "LAST_ID=", 8) == 0) {
2207                 int last_id = atoi(cmd + 8);
2208                 if (last_id != -1) {
2209                         while (ssid != NULL && ssid->id <= last_id) {
2210                                 ssid = ssid->next;
2211                         }
2212                 }
2213         }
2214
2215         while (ssid) {
2216                 prev = pos;
2217                 ret = os_snprintf(pos, end - pos, "%d\t%s",
2218                                   ssid->id,
2219                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2220                 if (os_snprintf_error(end - pos, ret))
2221                         return prev - buf;
2222                 pos += ret;
2223                 if (ssid->bssid_set) {
2224                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2225                                           MAC2STR(ssid->bssid));
2226                 } else {
2227                         ret = os_snprintf(pos, end - pos, "\tany");
2228                 }
2229                 if (os_snprintf_error(end - pos, ret))
2230                         return prev - buf;
2231                 pos += ret;
2232                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2233                                   ssid == wpa_s->current_ssid ?
2234                                   "[CURRENT]" : "",
2235                                   ssid->disabled ? "[DISABLED]" : "",
2236                                   ssid->disabled_until.sec ?
2237                                   "[TEMP-DISABLED]" : "",
2238                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2239                                   "");
2240                 if (os_snprintf_error(end - pos, ret))
2241                         return prev - buf;
2242                 pos += ret;
2243                 ret = os_snprintf(pos, end - pos, "\n");
2244                 if (os_snprintf_error(end - pos, ret))
2245                         return prev - buf;
2246                 pos += ret;
2247
2248                 ssid = ssid->next;
2249         }
2250
2251         return pos - buf;
2252 }
2253
2254
2255 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2256 {
2257         int ret;
2258         ret = os_snprintf(pos, end - pos, "-");
2259         if (os_snprintf_error(end - pos, ret))
2260                 return pos;
2261         pos += ret;
2262         ret = wpa_write_ciphers(pos, end, cipher, "+");
2263         if (ret < 0)
2264                 return pos;
2265         pos += ret;
2266         return pos;
2267 }
2268
2269
2270 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2271                                     const u8 *ie, size_t ie_len)
2272 {
2273         struct wpa_ie_data data;
2274         char *start;
2275         int ret;
2276
2277         ret = os_snprintf(pos, end - pos, "[%s-", proto);
2278         if (os_snprintf_error(end - pos, ret))
2279                 return pos;
2280         pos += ret;
2281
2282         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2283                 ret = os_snprintf(pos, end - pos, "?]");
2284                 if (os_snprintf_error(end - pos, ret))
2285                         return pos;
2286                 pos += ret;
2287                 return pos;
2288         }
2289
2290         start = pos;
2291         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2292                 ret = os_snprintf(pos, end - pos, "%sEAP",
2293                                   pos == start ? "" : "+");
2294                 if (os_snprintf_error(end - pos, ret))
2295                         return pos;
2296                 pos += ret;
2297         }
2298         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2299                 ret = os_snprintf(pos, end - pos, "%sPSK",
2300                                   pos == start ? "" : "+");
2301                 if (os_snprintf_error(end - pos, ret))
2302                         return pos;
2303                 pos += ret;
2304         }
2305         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2306                 ret = os_snprintf(pos, end - pos, "%sNone",
2307                                   pos == start ? "" : "+");
2308                 if (os_snprintf_error(end - pos, ret))
2309                         return pos;
2310                 pos += ret;
2311         }
2312         if (data.key_mgmt & WPA_KEY_MGMT_SAE) {
2313                 ret = os_snprintf(pos, end - pos, "%sSAE",
2314                                   pos == start ? "" : "+");
2315                 if (os_snprintf_error(end - pos, ret))
2316                         return pos;
2317                 pos += ret;
2318         }
2319 #ifdef CONFIG_IEEE80211R
2320         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2321                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2322                                   pos == start ? "" : "+");
2323                 if (os_snprintf_error(end - pos, ret))
2324                         return pos;
2325                 pos += ret;
2326         }
2327         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2328                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2329                                   pos == start ? "" : "+");
2330                 if (os_snprintf_error(end - pos, ret))
2331                         return pos;
2332                 pos += ret;
2333         }
2334         if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) {
2335                 ret = os_snprintf(pos, end - pos, "%sFT/SAE",
2336                                   pos == start ? "" : "+");
2337                 if (os_snprintf_error(end - pos, ret))
2338                         return pos;
2339                 pos += ret;
2340         }
2341 #endif /* CONFIG_IEEE80211R */
2342 #ifdef CONFIG_IEEE80211W
2343         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2344                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2345                                   pos == start ? "" : "+");
2346                 if (os_snprintf_error(end - pos, ret))
2347                         return pos;
2348                 pos += ret;
2349         }
2350         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2351                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2352                                   pos == start ? "" : "+");
2353                 if (os_snprintf_error(end - pos, ret))
2354                         return pos;
2355                 pos += ret;
2356         }
2357 #endif /* CONFIG_IEEE80211W */
2358
2359 #ifdef CONFIG_SUITEB
2360         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
2361                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B",
2362                                   pos == start ? "" : "+");
2363                 if (os_snprintf_error(end - pos, ret))
2364                         return pos;
2365                 pos += ret;
2366         }
2367 #endif /* CONFIG_SUITEB */
2368
2369 #ifdef CONFIG_SUITEB192
2370         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
2371                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B-192",
2372                                   pos == start ? "" : "+");
2373                 if (os_snprintf_error(end - pos, ret))
2374                         return pos;
2375                 pos += ret;
2376         }
2377 #endif /* CONFIG_SUITEB192 */
2378
2379         if (data.key_mgmt & WPA_KEY_MGMT_OSEN) {
2380                 ret = os_snprintf(pos, end - pos, "%sOSEN",
2381                                   pos == start ? "" : "+");
2382                 if (os_snprintf_error(end - pos, ret))
2383                         return pos;
2384                 pos += ret;
2385         }
2386
2387         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2388
2389         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2390                 ret = os_snprintf(pos, end - pos, "-preauth");
2391                 if (os_snprintf_error(end - pos, ret))
2392                         return pos;
2393                 pos += ret;
2394         }
2395
2396         ret = os_snprintf(pos, end - pos, "]");
2397         if (os_snprintf_error(end - pos, ret))
2398                 return pos;
2399         pos += ret;
2400
2401         return pos;
2402 }
2403
2404
2405 #ifdef CONFIG_WPS
2406 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2407                                             char *pos, char *end,
2408                                             struct wpabuf *wps_ie)
2409 {
2410         int ret;
2411         const char *txt;
2412
2413         if (wps_ie == NULL)
2414                 return pos;
2415         if (wps_is_selected_pbc_registrar(wps_ie))
2416                 txt = "[WPS-PBC]";
2417         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2418                 txt = "[WPS-AUTH]";
2419         else if (wps_is_selected_pin_registrar(wps_ie))
2420                 txt = "[WPS-PIN]";
2421         else
2422                 txt = "[WPS]";
2423
2424         ret = os_snprintf(pos, end - pos, "%s", txt);
2425         if (!os_snprintf_error(end - pos, ret))
2426                 pos += ret;
2427         wpabuf_free(wps_ie);
2428         return pos;
2429 }
2430 #endif /* CONFIG_WPS */
2431
2432
2433 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2434                                         char *pos, char *end,
2435                                         const struct wpa_bss *bss)
2436 {
2437 #ifdef CONFIG_WPS
2438         struct wpabuf *wps_ie;
2439         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2440         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2441 #else /* CONFIG_WPS */
2442         return pos;
2443 #endif /* CONFIG_WPS */
2444 }
2445
2446
2447 /* Format one result on one text line into a buffer. */
2448 static int wpa_supplicant_ctrl_iface_scan_result(
2449         struct wpa_supplicant *wpa_s,
2450         const struct wpa_bss *bss, char *buf, size_t buflen)
2451 {
2452         char *pos, *end;
2453         int ret;
2454         const u8 *ie, *ie2, *osen_ie, *p2p, *mesh;
2455
2456         mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
2457         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2458         if (!p2p)
2459                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2460         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2461             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2462             0)
2463                 return 0; /* Do not show P2P listen discovery results here */
2464
2465         pos = buf;
2466         end = buf + buflen;
2467
2468         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2469                           MAC2STR(bss->bssid), bss->freq, bss->level);
2470         if (os_snprintf_error(end - pos, ret))
2471                 return -1;
2472         pos += ret;
2473         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2474         if (ie)
2475                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2476         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2477         if (ie2) {
2478                 pos = wpa_supplicant_ie_txt(pos, end, mesh ? "RSN" : "WPA2",
2479                                             ie2, 2 + ie2[1]);
2480         }
2481         osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
2482         if (osen_ie)
2483                 pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
2484                                             osen_ie, 2 + osen_ie[1]);
2485         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2486         if (!ie && !ie2 && !osen_ie && (bss->caps & IEEE80211_CAP_PRIVACY)) {
2487                 ret = os_snprintf(pos, end - pos, "[WEP]");
2488                 if (os_snprintf_error(end - pos, ret))
2489                         return -1;
2490                 pos += ret;
2491         }
2492         if (mesh) {
2493                 ret = os_snprintf(pos, end - pos, "[MESH]");
2494                 if (os_snprintf_error(end - pos, ret))
2495                         return -1;
2496                 pos += ret;
2497         }
2498         if (bss_is_dmg(bss)) {
2499                 const char *s;
2500                 ret = os_snprintf(pos, end - pos, "[DMG]");
2501                 if (os_snprintf_error(end - pos, ret))
2502                         return -1;
2503                 pos += ret;
2504                 switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
2505                 case IEEE80211_CAP_DMG_IBSS:
2506                         s = "[IBSS]";
2507                         break;
2508                 case IEEE80211_CAP_DMG_AP:
2509                         s = "[ESS]";
2510                         break;
2511                 case IEEE80211_CAP_DMG_PBSS:
2512                         s = "[PBSS]";
2513                         break;
2514                 default:
2515                         s = "";
2516                         break;
2517                 }
2518                 ret = os_snprintf(pos, end - pos, "%s", s);
2519                 if (os_snprintf_error(end - pos, ret))
2520                         return -1;
2521                 pos += ret;
2522         } else {
2523                 if (bss->caps & IEEE80211_CAP_IBSS) {
2524                         ret = os_snprintf(pos, end - pos, "[IBSS]");
2525                         if (os_snprintf_error(end - pos, ret))
2526                                 return -1;
2527                         pos += ret;
2528                 }
2529                 if (bss->caps & IEEE80211_CAP_ESS) {
2530                         ret = os_snprintf(pos, end - pos, "[ESS]");
2531                         if (os_snprintf_error(end - pos, ret))
2532                                 return -1;
2533                         pos += ret;
2534                 }
2535         }
2536         if (p2p) {
2537                 ret = os_snprintf(pos, end - pos, "[P2P]");
2538                 if (os_snprintf_error(end - pos, ret))
2539                         return -1;
2540                 pos += ret;
2541         }
2542 #ifdef CONFIG_HS20
2543         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2544                 ret = os_snprintf(pos, end - pos, "[HS20]");
2545                 if (os_snprintf_error(end - pos, ret))
2546                         return -1;
2547                 pos += ret;
2548         }
2549 #endif /* CONFIG_HS20 */
2550 #ifdef CONFIG_FST
2551         if (wpa_bss_get_ie(bss, WLAN_EID_MULTI_BAND)) {
2552                 ret = os_snprintf(pos, end - pos, "[FST]");
2553                 if (os_snprintf_error(end - pos, ret))
2554                         return -1;
2555                 pos += ret;
2556         }
2557 #endif /* CONFIG_FST */
2558
2559         ret = os_snprintf(pos, end - pos, "\t%s",
2560                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2561         if (os_snprintf_error(end - pos, ret))
2562                 return -1;
2563         pos += ret;
2564
2565         ret = os_snprintf(pos, end - pos, "\n");
2566         if (os_snprintf_error(end - pos, ret))
2567                 return -1;
2568         pos += ret;
2569
2570         return pos - buf;
2571 }
2572
2573
2574 static int wpa_supplicant_ctrl_iface_scan_results(
2575         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2576 {
2577         char *pos, *end;
2578         struct wpa_bss *bss;
2579         int ret;
2580
2581         pos = buf;
2582         end = buf + buflen;
2583         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2584                           "flags / ssid\n");
2585         if (os_snprintf_error(end - pos, ret))
2586                 return pos - buf;
2587         pos += ret;
2588
2589         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2590                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2591                                                             end - pos);
2592                 if (ret < 0 || ret >= end - pos)
2593                         return pos - buf;
2594                 pos += ret;
2595         }
2596
2597         return pos - buf;
2598 }
2599
2600
2601 #ifdef CONFIG_MESH
2602
2603 static int wpa_supplicant_ctrl_iface_mesh_interface_add(
2604         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
2605 {
2606         char *pos, ifname[IFNAMSIZ + 1];
2607
2608         ifname[0] = '\0';
2609
2610         pos = os_strstr(cmd, "ifname=");
2611         if (pos) {
2612                 pos += 7;
2613                 os_strlcpy(ifname, pos, sizeof(ifname));
2614         }
2615
2616         if (wpas_mesh_add_interface(wpa_s, ifname, sizeof(ifname)) < 0)
2617                 return -1;
2618
2619         os_strlcpy(reply, ifname, max_len);
2620         return os_strlen(ifname);
2621 }
2622
2623
2624 static int wpa_supplicant_ctrl_iface_mesh_group_add(
2625         struct wpa_supplicant *wpa_s, char *cmd)
2626 {
2627         int id;
2628         struct wpa_ssid *ssid;
2629
2630         id = atoi(cmd);
2631         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_ADD id=%d", id);
2632
2633         ssid = wpa_config_get_network(wpa_s->conf, id);
2634         if (ssid == NULL) {
2635                 wpa_printf(MSG_DEBUG,
2636                            "CTRL_IFACE: Could not find network id=%d", id);
2637                 return -1;
2638         }
2639         if (ssid->mode != WPAS_MODE_MESH) {
2640                 wpa_printf(MSG_DEBUG,
2641                            "CTRL_IFACE: Cannot use MESH_GROUP_ADD on a non mesh network");
2642                 return -1;
2643         }
2644         if (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
2645             ssid->key_mgmt != WPA_KEY_MGMT_SAE) {
2646                 wpa_printf(MSG_ERROR,
2647                            "CTRL_IFACE: key_mgmt for mesh network should be open or SAE");
2648                 return -1;
2649         }
2650
2651         /*
2652          * TODO: If necessary write our own group_add function,
2653          * for now we can reuse select_network
2654          */
2655         wpa_supplicant_select_network(wpa_s, ssid);
2656
2657         return 0;
2658 }
2659
2660
2661 static int wpa_supplicant_ctrl_iface_mesh_group_remove(
2662         struct wpa_supplicant *wpa_s, char *cmd)
2663 {
2664         struct wpa_supplicant *orig;
2665         struct wpa_global *global;
2666         int found = 0;
2667
2668         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s", cmd);
2669
2670         global = wpa_s->global;
2671         orig = wpa_s;
2672
2673         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2674                 if (os_strcmp(wpa_s->ifname, cmd) == 0) {
2675                         found = 1;
2676                         break;
2677                 }
2678         }
2679         if (!found) {
2680                 wpa_printf(MSG_ERROR,
2681                            "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s not found",
2682                            cmd);
2683                 return -1;
2684         }
2685         if (wpa_s->mesh_if_created && wpa_s == orig) {
2686                 wpa_printf(MSG_ERROR,
2687                            "CTRL_IFACE: MESH_GROUP_REMOVE can't remove itself");
2688                 return -1;
2689         }
2690
2691         wpa_s->reassociate = 0;
2692         wpa_s->disconnected = 1;
2693         wpa_supplicant_cancel_sched_scan(wpa_s);
2694         wpa_supplicant_cancel_scan(wpa_s);
2695
2696         /*
2697          * TODO: If necessary write our own group_remove function,
2698          * for now we can reuse deauthenticate
2699          */
2700         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2701
2702         if (wpa_s->mesh_if_created)
2703                 wpa_supplicant_remove_iface(global, wpa_s, 0);
2704
2705         return 0;
2706 }
2707
2708 #endif /* CONFIG_MESH */
2709
2710
2711 static int wpa_supplicant_ctrl_iface_select_network(
2712         struct wpa_supplicant *wpa_s, char *cmd)
2713 {
2714         int id;
2715         struct wpa_ssid *ssid;
2716         char *pos;
2717
2718         /* cmd: "<network id>" or "any" */
2719         if (os_strncmp(cmd, "any", 3) == 0) {
2720                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2721                 ssid = NULL;
2722         } else {
2723                 id = atoi(cmd);
2724                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2725
2726                 ssid = wpa_config_get_network(wpa_s->conf, id);
2727                 if (ssid == NULL) {
2728                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2729                                    "network id=%d", id);
2730                         return -1;
2731                 }
2732                 if (ssid->disabled == 2) {
2733                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2734                                    "SELECT_NETWORK with persistent P2P group");
2735                         return -1;
2736                 }
2737         }
2738
2739         pos = os_strstr(cmd, " freq=");
2740         if (pos) {
2741                 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2742                 if (freqs) {
2743                         wpa_s->scan_req = MANUAL_SCAN_REQ;
2744                         os_free(wpa_s->manual_scan_freqs);
2745                         wpa_s->manual_scan_freqs = freqs;
2746                 }
2747         }
2748
2749         wpa_s->scan_min_time.sec = 0;
2750         wpa_s->scan_min_time.usec = 0;
2751         wpa_supplicant_select_network(wpa_s, ssid);
2752
2753         return 0;
2754 }
2755
2756
2757 static int wpa_supplicant_ctrl_iface_enable_network(
2758         struct wpa_supplicant *wpa_s, char *cmd)
2759 {
2760         int id;
2761         struct wpa_ssid *ssid;
2762
2763         /* cmd: "<network id>" or "all" */
2764         if (os_strcmp(cmd, "all") == 0) {
2765                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2766                 ssid = NULL;
2767         } else {
2768                 id = atoi(cmd);
2769                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2770
2771                 ssid = wpa_config_get_network(wpa_s->conf, id);
2772                 if (ssid == NULL) {
2773                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2774                                    "network id=%d", id);
2775                         return -1;
2776                 }
2777                 if (ssid->disabled == 2) {
2778                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2779                                    "ENABLE_NETWORK with persistent P2P group");
2780                         return -1;
2781                 }
2782
2783                 if (os_strstr(cmd, " no-connect")) {
2784                         ssid->disabled = 0;
2785                         return 0;
2786                 }
2787         }
2788         wpa_s->scan_min_time.sec = 0;
2789         wpa_s->scan_min_time.usec = 0;
2790         wpa_supplicant_enable_network(wpa_s, ssid);
2791
2792         return 0;
2793 }
2794
2795
2796 static int wpa_supplicant_ctrl_iface_disable_network(
2797         struct wpa_supplicant *wpa_s, char *cmd)
2798 {
2799         int id;
2800         struct wpa_ssid *ssid;
2801
2802         /* cmd: "<network id>" or "all" */
2803         if (os_strcmp(cmd, "all") == 0) {
2804                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2805                 ssid = NULL;
2806         } else {
2807                 id = atoi(cmd);
2808                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2809
2810                 ssid = wpa_config_get_network(wpa_s->conf, id);
2811                 if (ssid == NULL) {
2812                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2813                                    "network id=%d", id);
2814                         return -1;
2815                 }
2816                 if (ssid->disabled == 2) {
2817                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2818                                    "DISABLE_NETWORK with persistent P2P "
2819                                    "group");
2820                         return -1;
2821                 }
2822         }
2823         wpa_supplicant_disable_network(wpa_s, ssid);
2824
2825         return 0;
2826 }
2827
2828
2829 static int wpa_supplicant_ctrl_iface_add_network(
2830         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2831 {
2832         struct wpa_ssid *ssid;
2833         int ret;
2834
2835         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2836
2837         ssid = wpa_config_add_network(wpa_s->conf);
2838         if (ssid == NULL)
2839                 return -1;
2840
2841         wpas_notify_network_added(wpa_s, ssid);
2842
2843         ssid->disabled = 1;
2844         wpa_config_set_network_defaults(ssid);
2845
2846         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2847         if (os_snprintf_error(buflen, ret))
2848                 return -1;
2849         return ret;
2850 }
2851
2852
2853 static int wpa_supplicant_ctrl_iface_remove_network(
2854         struct wpa_supplicant *wpa_s, char *cmd)
2855 {
2856         int id;
2857         struct wpa_ssid *ssid;
2858         int was_disabled;
2859
2860         /* cmd: "<network id>" or "all" */
2861         if (os_strcmp(cmd, "all") == 0) {
2862                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2863                 if (wpa_s->sched_scanning)
2864                         wpa_supplicant_cancel_sched_scan(wpa_s);
2865
2866                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2867                 if (wpa_s->current_ssid) {
2868 #ifdef CONFIG_SME
2869                         wpa_s->sme.prev_bssid_set = 0;
2870 #endif /* CONFIG_SME */
2871                         wpa_sm_set_config(wpa_s->wpa, NULL);
2872                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2873                         if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2874                                 wpa_s->own_disconnect_req = 1;
2875                         wpa_supplicant_deauthenticate(
2876                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2877                 }
2878                 ssid = wpa_s->conf->ssid;
2879                 while (ssid) {
2880                         struct wpa_ssid *remove_ssid = ssid;
2881                         id = ssid->id;
2882                         ssid = ssid->next;
2883                         if (wpa_s->last_ssid == remove_ssid)
2884                                 wpa_s->last_ssid = NULL;
2885                         wpas_notify_network_removed(wpa_s, remove_ssid);
2886                         wpa_config_remove_network(wpa_s->conf, id);
2887                 }
2888                 return 0;
2889         }
2890
2891         id = atoi(cmd);
2892         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2893
2894         ssid = wpa_config_get_network(wpa_s->conf, id);
2895         if (ssid)
2896                 wpas_notify_network_removed(wpa_s, ssid);
2897         if (ssid == NULL) {
2898                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2899                            "id=%d", id);
2900                 return -1;
2901         }
2902
2903         if (wpa_s->last_ssid == ssid)
2904                 wpa_s->last_ssid = NULL;
2905
2906         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2907 #ifdef CONFIG_SME
2908                 wpa_s->sme.prev_bssid_set = 0;
2909 #endif /* CONFIG_SME */
2910                 /*
2911                  * Invalidate the EAP session cache if the current or
2912                  * previously used network is removed.
2913                  */
2914                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2915         }
2916
2917         if (ssid == wpa_s->current_ssid) {
2918                 wpa_sm_set_config(wpa_s->wpa, NULL);
2919                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2920
2921                 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2922                         wpa_s->own_disconnect_req = 1;
2923                 wpa_supplicant_deauthenticate(wpa_s,
2924                                               WLAN_REASON_DEAUTH_LEAVING);
2925         }
2926
2927         was_disabled = ssid->disabled;
2928
2929         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2930                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2931                            "network id=%d", id);
2932                 return -1;
2933         }
2934
2935         if (!was_disabled && wpa_s->sched_scanning) {
2936                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2937                            "network from filters");
2938                 wpa_supplicant_cancel_sched_scan(wpa_s);
2939                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2940         }
2941
2942         return 0;
2943 }
2944
2945
2946 static int wpa_supplicant_ctrl_iface_update_network(
2947         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
2948         char *name, char *value)
2949 {
2950         if (wpa_config_set(ssid, name, value, 0) < 0) {
2951                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2952                            "variable '%s'", name);
2953                 return -1;
2954         }
2955
2956         if (os_strcmp(name, "bssid") != 0 &&
2957             os_strcmp(name, "priority") != 0)
2958                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2959
2960         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2961                 /*
2962                  * Invalidate the EAP session cache if anything in the current
2963                  * or previously used configuration changes.
2964                  */
2965                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2966         }
2967
2968         if ((os_strcmp(name, "psk") == 0 &&
2969              value[0] == '"' && ssid->ssid_len) ||
2970             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2971                 wpa_config_update_psk(ssid);
2972         else if (os_strcmp(name, "priority") == 0)
2973                 wpa_config_update_prio_list(wpa_s->conf);
2974
2975         return 0;
2976 }
2977
2978
2979 static int wpa_supplicant_ctrl_iface_set_network(
2980         struct wpa_supplicant *wpa_s, char *cmd)
2981 {
2982         int id, ret, prev_bssid_set, prev_disabled;
2983         struct wpa_ssid *ssid;
2984         char *name, *value;
2985         u8 prev_bssid[ETH_ALEN];
2986
2987         /* cmd: "<network id> <variable name> <value>" */
2988         name = os_strchr(cmd, ' ');
2989         if (name == NULL)
2990                 return -1;
2991         *name++ = '\0';
2992
2993         value = os_strchr(name, ' ');
2994         if (value == NULL)
2995                 return -1;
2996         *value++ = '\0';
2997
2998         id = atoi(cmd);
2999         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
3000                    id, name);
3001         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3002                               (u8 *) value, os_strlen(value));
3003
3004         ssid = wpa_config_get_network(wpa_s->conf, id);
3005         if (ssid == NULL) {
3006                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3007                            "id=%d", id);
3008                 return -1;
3009         }
3010
3011         prev_bssid_set = ssid->bssid_set;
3012         prev_disabled = ssid->disabled;
3013         os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
3014         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
3015                                                        value);
3016         if (ret == 0 &&
3017             (ssid->bssid_set != prev_bssid_set ||
3018              os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
3019                 wpas_notify_network_bssid_set_changed(wpa_s, ssid);
3020
3021         if (prev_disabled != ssid->disabled &&
3022             (prev_disabled == 2 || ssid->disabled == 2))
3023                 wpas_notify_network_type_changed(wpa_s, ssid);
3024
3025         return ret;
3026 }
3027
3028
3029 static int wpa_supplicant_ctrl_iface_get_network(
3030         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
3031 {
3032         int id;
3033         size_t res;
3034         struct wpa_ssid *ssid;
3035         char *name, *value;
3036
3037         /* cmd: "<network id> <variable name>" */
3038         name = os_strchr(cmd, ' ');
3039         if (name == NULL || buflen == 0)
3040                 return -1;
3041         *name++ = '\0';
3042
3043         id = atoi(cmd);
3044         wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
3045                    id, name);
3046
3047         ssid = wpa_config_get_network(wpa_s->conf, id);
3048         if (ssid == NULL) {
3049                 wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: Could not find network "
3050                            "id=%d", id);
3051                 return -1;
3052         }
3053
3054         value = wpa_config_get_no_key(ssid, name);
3055         if (value == NULL) {
3056                 wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: Failed to get network "
3057                            "variable '%s'", name);
3058                 return -1;
3059         }
3060
3061         res = os_strlcpy(buf, value, buflen);
3062         if (res >= buflen) {
3063                 os_free(value);
3064                 return -1;
3065         }
3066
3067         os_free(value);
3068
3069         return res;
3070 }
3071
3072
3073 static int wpa_supplicant_ctrl_iface_dup_network(
3074         struct wpa_supplicant *wpa_s, char *cmd,
3075         struct wpa_supplicant *dst_wpa_s)
3076 {
3077         struct wpa_ssid *ssid_s, *ssid_d;
3078         char *name, *id, *value;
3079         int id_s, id_d, ret;
3080
3081         /* cmd: "<src network id> <dst network id> <variable name>" */
3082         id = os_strchr(cmd, ' ');
3083         if (id == NULL)
3084                 return -1;
3085         *id++ = '\0';
3086
3087         name = os_strchr(id, ' ');
3088         if (name == NULL)
3089                 return -1;
3090         *name++ = '\0';
3091
3092         id_s = atoi(cmd);
3093         id_d = atoi(id);
3094
3095         wpa_printf(MSG_DEBUG,
3096                    "CTRL_IFACE: DUP_NETWORK ifname=%s->%s id=%d->%d name='%s'",
3097                    wpa_s->ifname, dst_wpa_s->ifname, id_s, id_d, name);
3098
3099         ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
3100         if (ssid_s == NULL) {
3101                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3102                            "network id=%d", id_s);
3103                 return -1;
3104         }
3105
3106         ssid_d = wpa_config_get_network(dst_wpa_s->conf, id_d);
3107         if (ssid_d == NULL) {
3108                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3109                            "network id=%d", id_d);
3110                 return -1;
3111         }
3112
3113         value = wpa_config_get(ssid_s, name);
3114         if (value == NULL) {
3115                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3116                            "variable '%s'", name);
3117                 return -1;
3118         }
3119
3120         ret = wpa_supplicant_ctrl_iface_update_network(dst_wpa_s, ssid_d, name,
3121                                                        value);
3122
3123         os_free(value);
3124
3125         return ret;
3126 }
3127
3128
3129 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
3130                                                 char *buf, size_t buflen)
3131 {
3132         char *pos, *end;
3133         struct wpa_cred *cred;
3134         int ret;
3135
3136         pos = buf;
3137         end = buf + buflen;
3138         ret = os_snprintf(pos, end - pos,
3139                           "cred id / realm / username / domain / imsi\n");
3140         if (os_snprintf_error(end - pos, ret))
3141                 return pos - buf;
3142         pos += ret;
3143
3144         cred = wpa_s->conf->cred;
3145         while (cred) {
3146                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
3147                                   cred->id, cred->realm ? cred->realm : "",
3148                                   cred->username ? cred->username : "",
3149                                   cred->domain ? cred->domain[0] : "",
3150                                   cred->imsi ? cred->imsi : "");
3151                 if (os_snprintf_error(end - pos, ret))
3152                         return pos - buf;
3153                 pos += ret;
3154
3155                 cred = cred->next;
3156         }
3157
3158         return pos - buf;
3159 }
3160
3161
3162 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
3163                                               char *buf, size_t buflen)
3164 {
3165         struct wpa_cred *cred;
3166         int ret;
3167
3168         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
3169
3170         cred = wpa_config_add_cred(wpa_s->conf);
3171         if (cred == NULL)
3172                 return -1;
3173
3174         wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
3175
3176         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
3177         if (os_snprintf_error(buflen, ret))
3178                 return -1;
3179         return ret;
3180 }
3181
3182
3183 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
3184                                  struct wpa_cred *cred)
3185 {
3186         struct wpa_ssid *ssid;
3187         char str[20];
3188         int id;
3189
3190         if (cred == NULL) {
3191                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3192                 return -1;
3193         }
3194
3195         id = cred->id;
3196         if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
3197                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3198                 return -1;
3199         }
3200
3201         wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
3202
3203         /* Remove any network entry created based on the removed credential */
3204         ssid = wpa_s->conf->ssid;
3205         while (ssid) {
3206                 if (ssid->parent_cred == cred) {
3207                         int res;
3208
3209                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
3210                                    "used the removed credential", ssid->id);
3211                         res = os_snprintf(str, sizeof(str), "%d", ssid->id);
3212                         if (os_snprintf_error(sizeof(str), res))
3213                                 str[sizeof(str) - 1] = '\0';
3214                         ssid = ssid->next;
3215                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
3216                 } else
3217                         ssid = ssid->next;
3218         }
3219
3220         return 0;
3221 }
3222
3223
3224 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
3225                                                  char *cmd)
3226 {
3227         int id;
3228         struct wpa_cred *cred, *prev;
3229
3230         /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
3231          * "provisioning_sp=<FQDN> */
3232         if (os_strcmp(cmd, "all") == 0) {
3233                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
3234                 cred = wpa_s->conf->cred;
3235                 while (cred) {
3236                         prev = cred;
3237                         cred = cred->next;
3238                         wpas_ctrl_remove_cred(wpa_s, prev);
3239                 }
3240                 return 0;
3241         }
3242
3243         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
3244                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
3245                            cmd + 8);
3246                 cred = wpa_s->conf->cred;
3247                 while (cred) {
3248                         prev = cred;
3249                         cred = cred->next;
3250                         if (prev->domain) {
3251                                 size_t i;
3252                                 for (i = 0; i < prev->num_domain; i++) {
3253                                         if (os_strcmp(prev->domain[i], cmd + 8)
3254                                             != 0)
3255                                                 continue;
3256                                         wpas_ctrl_remove_cred(wpa_s, prev);
3257                                         break;
3258                                 }
3259                         }
3260                 }
3261                 return 0;
3262         }
3263
3264         if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
3265                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
3266                            cmd + 16);
3267                 cred = wpa_s->conf->cred;
3268                 while (cred) {
3269                         prev = cred;
3270                         cred = cred->next;
3271                         if (prev->provisioning_sp &&
3272                             os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
3273                                 wpas_ctrl_remove_cred(wpa_s, prev);
3274                 }
3275                 return 0;
3276         }
3277
3278         id = atoi(cmd);
3279         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
3280
3281         cred = wpa_config_get_cred(wpa_s->conf, id);
3282         return wpas_ctrl_remove_cred(wpa_s, cred);
3283 }
3284
3285
3286 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
3287                                               char *cmd)
3288 {
3289         int id;
3290         struct wpa_cred *cred;
3291         char *name, *value;
3292
3293         /* cmd: "<cred id> <variable name> <value>" */
3294         name = os_strchr(cmd, ' ');
3295         if (name == NULL)
3296                 return -1;
3297         *name++ = '\0';
3298
3299         value = os_strchr(name, ' ');
3300         if (value == NULL)
3301                 return -1;
3302         *value++ = '\0';
3303
3304         id = atoi(cmd);
3305         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
3306                    id, name);
3307         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3308                               (u8 *) value, os_strlen(value));
3309
3310         cred = wpa_config_get_cred(wpa_s->conf, id);
3311         if (cred == NULL) {
3312                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3313                            id);
3314                 return -1;
3315         }
3316
3317         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
3318                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
3319                            "variable '%s'", name);
3320                 return -1;
3321         }
3322
3323         wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
3324
3325         return 0;
3326 }
3327
3328
3329 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
3330                                               char *cmd, char *buf,
3331                                               size_t buflen)
3332 {
3333         int id;
3334         size_t res;
3335         struct wpa_cred *cred;
3336         char *name, *value;
3337
3338         /* cmd: "<cred id> <variable name>" */
3339         name = os_strchr(cmd, ' ');
3340         if (name == NULL)
3341                 return -1;
3342         *name++ = '\0';
3343
3344         id = atoi(cmd);
3345         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
3346                    id, name);
3347
3348         cred = wpa_config_get_cred(wpa_s->conf, id);
3349         if (cred == NULL) {
3350                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3351                            id);
3352                 return -1;
3353         }
3354
3355         value = wpa_config_get_cred_no_key(cred, name);
3356         if (value == NULL) {
3357                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
3358                            name);
3359                 return -1;
3360         }
3361
3362         res = os_strlcpy(buf, value, buflen);
3363         if (res >= buflen) {
3364                 os_free(value);
3365                 return -1;
3366         }
3367
3368         os_free(value);
3369
3370         return res;
3371 }
3372
3373
3374 #ifndef CONFIG_NO_CONFIG_WRITE
3375 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3376 {
3377         int ret;
3378
3379         if (!wpa_s->conf->update_config) {
3380                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3381                            "to update configuration (update_config=0)");
3382                 return -1;
3383         }
3384
3385         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3386         if (ret) {
3387                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3388                            "update configuration");
3389         } else {
3390                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3391                            " updated");
3392         }
3393
3394         return ret;
3395 }
3396 #endif /* CONFIG_NO_CONFIG_WRITE */
3397
3398
3399 struct cipher_info {
3400         unsigned int capa;
3401         const char *name;
3402         int group_only;
3403 };
3404
3405 static const struct cipher_info ciphers[] = {
3406         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3407         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3408         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3409         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3410         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3411         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3412         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3413         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3414 };
3415
3416 static const struct cipher_info ciphers_group_mgmt[] = {
3417         { WPA_DRIVER_CAPA_ENC_BIP, "AES-128-CMAC", 1 },
3418         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_128, "BIP-GMAC-128", 1 },
3419         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_256, "BIP-GMAC-256", 1 },
3420         { WPA_DRIVER_CAPA_ENC_BIP_CMAC_256, "BIP-CMAC-256", 1 },
3421 };
3422
3423
3424 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3425                                               struct wpa_driver_capa *capa,
3426                                               char *buf, size_t buflen)
3427 {
3428         int ret;
3429         char *pos, *end;
3430         size_t len;
3431         unsigned int i;
3432
3433         pos = buf;
3434         end = pos + buflen;
3435
3436         if (res < 0) {
3437                 if (strict)
3438                         return 0;
3439                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3440                 if (len >= buflen)
3441                         return -1;
3442                 return len;
3443         }
3444
3445         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3446                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3447                         ret = os_snprintf(pos, end - pos, "%s%s",
3448                                           pos == buf ? "" : " ",
3449                                           ciphers[i].name);
3450                         if (os_snprintf_error(end - pos, ret))
3451                                 return pos - buf;
3452                         pos += ret;
3453                 }
3454         }
3455
3456         return pos - buf;
3457 }
3458
3459
3460 static int ctrl_iface_get_capability_group(int res, char *strict,
3461                                            struct wpa_driver_capa *capa,
3462                                            char *buf, size_t buflen)
3463 {
3464         int ret;
3465         char *pos, *end;
3466         size_t len;
3467         unsigned int i;
3468
3469         pos = buf;
3470         end = pos + buflen;
3471
3472         if (res < 0) {
3473                 if (strict)
3474                         return 0;
3475                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3476                 if (len >= buflen)
3477                         return -1;
3478                 return len;
3479         }
3480
3481         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3482                 if (capa->enc & ciphers[i].capa) {
3483                         ret = os_snprintf(pos, end - pos, "%s%s",
3484                                           pos == buf ? "" : " ",
3485                                           ciphers[i].name);
3486                         if (os_snprintf_error(end - pos, ret))
3487                                 return pos - buf;
3488                         pos += ret;
3489                 }
3490         }
3491
3492         return pos - buf;
3493 }
3494
3495
3496 static int ctrl_iface_get_capability_group_mgmt(int res, char *strict,
3497                                                 struct wpa_driver_capa *capa,
3498                                                 char *buf, size_t buflen)
3499 {
3500         int ret;
3501         char *pos, *end;
3502         unsigned int i;
3503
3504         pos = buf;
3505         end = pos + buflen;
3506
3507         if (res < 0)
3508                 return 0;
3509
3510         for (i = 0; i < ARRAY_SIZE(ciphers_group_mgmt); i++) {
3511                 if (capa->enc & ciphers_group_mgmt[i].capa) {
3512                         ret = os_snprintf(pos, end - pos, "%s%s",
3513                                           pos == buf ? "" : " ",
3514                                           ciphers_group_mgmt[i].name);
3515                         if (os_snprintf_error(end - pos, ret))
3516                                 return pos - buf;
3517                         pos += ret;
3518                 }
3519         }
3520
3521         return pos - buf;
3522 }
3523
3524
3525 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3526                                               struct wpa_driver_capa *capa,
3527                                               char *buf, size_t buflen)
3528 {
3529         int ret;
3530         char *pos, *end;
3531         size_t len;
3532
3533         pos = buf;
3534         end = pos + buflen;
3535
3536         if (res < 0) {
3537                 if (strict)
3538                         return 0;
3539                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3540                                  "NONE", buflen);
3541                 if (len >= buflen)
3542                         return -1;
3543                 return len;
3544         }
3545
3546         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3547         if (os_snprintf_error(end - pos, ret))
3548                 return pos - buf;
3549         pos += ret;
3550
3551         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3552                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3553                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3554                 if (os_snprintf_error(end - pos, ret))
3555                         return pos - buf;
3556                 pos += ret;
3557         }
3558
3559         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3560                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3561                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3562                 if (os_snprintf_error(end - pos, ret))
3563                         return pos - buf;
3564                 pos += ret;
3565         }
3566
3567         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3568                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3569                 if (os_snprintf_error(end - pos, ret))
3570                         return pos - buf;
3571                 pos += ret;
3572         }
3573
3574 #ifdef CONFIG_SUITEB
3575         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B) {
3576                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B");
3577                 if (os_snprintf_error(end - pos, ret))
3578                         return pos - buf;
3579                 pos += ret;
3580         }
3581 #endif /* CONFIG_SUITEB */
3582 #ifdef CONFIG_SUITEB192
3583         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192) {
3584                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B-192");
3585                 if (os_snprintf_error(end - pos, ret))
3586                         return pos - buf;
3587                 pos += ret;
3588         }
3589 #endif /* CONFIG_SUITEB192 */
3590
3591         return pos - buf;
3592 }
3593
3594
3595 static int ctrl_iface_get_capability_proto(int res, char *strict,
3596                                            struct wpa_driver_capa *capa,
3597                                            char *buf, size_t buflen)
3598 {
3599         int ret;
3600         char *pos, *end;
3601         size_t len;
3602
3603         pos = buf;
3604         end = pos + buflen;
3605
3606         if (res < 0) {
3607                 if (strict)
3608                         return 0;
3609                 len = os_strlcpy(buf, "RSN WPA", buflen);
3610                 if (len >= buflen)
3611                         return -1;
3612                 return len;
3613         }
3614
3615         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3616                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3617                 ret = os_snprintf(pos, end - pos, "%sRSN",
3618                                   pos == buf ? "" : " ");
3619                 if (os_snprintf_error(end - pos, ret))
3620                         return pos - buf;
3621                 pos += ret;
3622         }
3623
3624         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3625                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3626                 ret = os_snprintf(pos, end - pos, "%sWPA",
3627                                   pos == buf ? "" : " ");
3628                 if (os_snprintf_error(end - pos, ret))
3629                         return pos - buf;
3630                 pos += ret;
3631         }
3632
3633         return pos - buf;
3634 }
3635
3636
3637 static int ctrl_iface_get_capability_auth_alg(struct wpa_supplicant *wpa_s,
3638                                               int res, char *strict,
3639                                               struct wpa_driver_capa *capa,
3640                                               char *buf, size_t buflen)
3641 {
3642         int ret;
3643         char *pos, *end;
3644         size_t len;
3645
3646         pos = buf;
3647         end = pos + buflen;
3648
3649         if (res < 0) {
3650                 if (strict)
3651                         return 0;
3652                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3653                 if (len >= buflen)
3654                         return -1;
3655                 return len;
3656         }
3657
3658         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3659                 ret = os_snprintf(pos, end - pos, "%sOPEN",
3660                                   pos == buf ? "" : " ");
3661                 if (os_snprintf_error(end - pos, ret))
3662                         return pos - buf;
3663                 pos += ret;
3664         }
3665
3666         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3667                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3668                                   pos == buf ? "" : " ");
3669                 if (os_snprintf_error(end - pos, ret))
3670                         return pos - buf;
3671                 pos += ret;
3672         }
3673
3674         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3675                 ret = os_snprintf(pos, end - pos, "%sLEAP",
3676                                   pos == buf ? "" : " ");
3677                 if (os_snprintf_error(end - pos, ret))
3678                         return pos - buf;
3679                 pos += ret;
3680         }
3681
3682 #ifdef CONFIG_SAE
3683         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE) {
3684                 ret = os_snprintf(pos, end - pos, "%sSAE",
3685                                   pos == buf ? "" : " ");
3686                 if (os_snprintf_error(end - pos, ret))
3687                         return pos - buf;
3688                 pos += ret;
3689         }
3690 #endif /* CONFIG_SAE */
3691
3692         return pos - buf;
3693 }
3694
3695
3696 static int ctrl_iface_get_capability_modes(int res, char *strict,
3697                                            struct wpa_driver_capa *capa,
3698                                            char *buf, size_t buflen)
3699 {
3700         int ret;
3701         char *pos, *end;
3702         size_t len;
3703
3704         pos = buf;
3705         end = pos + buflen;
3706
3707         if (res < 0) {
3708                 if (strict)
3709                         return 0;
3710                 len = os_strlcpy(buf, "IBSS AP", buflen);
3711                 if (len >= buflen)
3712                         return -1;
3713                 return len;
3714         }
3715
3716         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3717                 ret = os_snprintf(pos, end - pos, "%sIBSS",
3718                                   pos == buf ? "" : " ");
3719                 if (os_snprintf_error(end - pos, ret))
3720                         return pos - buf;
3721                 pos += ret;
3722         }
3723
3724         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3725                 ret = os_snprintf(pos, end - pos, "%sAP",
3726                                   pos == buf ? "" : " ");
3727                 if (os_snprintf_error(end - pos, ret))
3728                         return pos - buf;
3729                 pos += ret;
3730         }
3731
3732 #ifdef CONFIG_MESH
3733         if (capa->flags & WPA_DRIVER_FLAGS_MESH) {
3734                 ret = os_snprintf(pos, end - pos, "%sMESH",
3735                                   pos == buf ? "" : " ");
3736                 if (os_snprintf_error(end - pos, ret))
3737                         return pos - buf;
3738                 pos += ret;
3739         }
3740 #endif /* CONFIG_MESH */
3741
3742         return pos - buf;
3743 }
3744
3745
3746 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3747                                               char *buf, size_t buflen)
3748 {
3749         struct hostapd_channel_data *chnl;
3750         int ret, i, j;
3751         char *pos, *end, *hmode;
3752
3753         pos = buf;
3754         end = pos + buflen;
3755
3756         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3757                 switch (wpa_s->hw.modes[j].mode) {
3758                 case HOSTAPD_MODE_IEEE80211B:
3759                         hmode = "B";
3760                         break;
3761                 case HOSTAPD_MODE_IEEE80211G:
3762                         hmode = "G";
3763                         break;
3764                 case HOSTAPD_MODE_IEEE80211A:
3765                         hmode = "A";
3766                         break;
3767                 case HOSTAPD_MODE_IEEE80211AD:
3768                         hmode = "AD";
3769                         break;
3770                 default:
3771                         continue;
3772                 }
3773                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3774                 if (os_snprintf_error(end - pos, ret))
3775                         return pos - buf;
3776                 pos += ret;
3777                 chnl = wpa_s->hw.modes[j].channels;
3778                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3779                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3780                                 continue;
3781                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3782                         if (os_snprintf_error(end - pos, ret))
3783                                 return pos - buf;
3784                         pos += ret;
3785                 }
3786                 ret = os_snprintf(pos, end - pos, "\n");
3787                 if (os_snprintf_error(end - pos, ret))
3788                         return pos - buf;
3789                 pos += ret;
3790         }
3791
3792         return pos - buf;
3793 }
3794
3795
3796 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3797                                           char *buf, size_t buflen)
3798 {
3799         struct hostapd_channel_data *chnl;
3800         int ret, i, j;
3801         char *pos, *end, *hmode;
3802
3803         pos = buf;
3804         end = pos + buflen;
3805
3806         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3807                 switch (wpa_s->hw.modes[j].mode) {
3808                 case HOSTAPD_MODE_IEEE80211B:
3809                         hmode = "B";
3810                         break;
3811                 case HOSTAPD_MODE_IEEE80211G:
3812                         hmode = "G";
3813                         break;
3814                 case HOSTAPD_MODE_IEEE80211A:
3815                         hmode = "A";
3816                         break;
3817                 case HOSTAPD_MODE_IEEE80211AD:
3818                         hmode = "AD";
3819                         break;
3820                 default:
3821                         continue;
3822                 }
3823                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3824                                   hmode);
3825                 if (os_snprintf_error(end - pos, ret))
3826                         return pos - buf;
3827                 pos += ret;
3828                 chnl = wpa_s->hw.modes[j].channels;
3829                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3830                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3831                                 continue;
3832                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3833                                           chnl[i].chan, chnl[i].freq,
3834                                           chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
3835                                           " (NO_IR)" : "",
3836                                           chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3837                                           " (DFS)" : "");
3838
3839                         if (os_snprintf_error(end - pos, ret))
3840                                 return pos - buf;
3841                         pos += ret;
3842                 }
3843                 ret = os_snprintf(pos, end - pos, "\n");
3844                 if (os_snprintf_error(end - pos, ret))
3845                         return pos - buf;
3846                 pos += ret;
3847         }
3848
3849         return pos - buf;
3850 }
3851
3852
3853 static int wpa_supplicant_ctrl_iface_get_capability(
3854         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3855         size_t buflen)
3856 {
3857         struct wpa_driver_capa capa;
3858         int res;
3859         char *strict;
3860         char field[30];
3861         size_t len;
3862
3863         /* Determine whether or not strict checking was requested */
3864         len = os_strlcpy(field, _field, sizeof(field));
3865         if (len >= sizeof(field))
3866                 return -1;
3867         strict = os_strchr(field, ' ');
3868         if (strict != NULL) {
3869                 *strict++ = '\0';
3870                 if (os_strcmp(strict, "strict") != 0)
3871                         return -1;
3872         }
3873
3874         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3875                 field, strict ? strict : "");
3876
3877         if (os_strcmp(field, "eap") == 0) {
3878                 return eap_get_names(buf, buflen);
3879         }
3880
3881         res = wpa_drv_get_capa(wpa_s, &capa);
3882
3883         if (os_strcmp(field, "pairwise") == 0)
3884                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3885                                                           buf, buflen);
3886
3887         if (os_strcmp(field, "group") == 0)
3888                 return ctrl_iface_get_capability_group(res, strict, &capa,
3889                                                        buf, buflen);
3890
3891         if (os_strcmp(field, "group_mgmt") == 0)
3892                 return ctrl_iface_get_capability_group_mgmt(res, strict, &capa,
3893                                                             buf, buflen);
3894
3895         if (os_strcmp(field, "key_mgmt") == 0)
3896                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3897                                                           buf, buflen);
3898
3899         if (os_strcmp(field, "proto") == 0)
3900                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3901                                                        buf, buflen);
3902
3903         if (os_strcmp(field, "auth_alg") == 0)
3904                 return ctrl_iface_get_capability_auth_alg(wpa_s, res, strict,
3905                                                           &capa, buf, buflen);
3906
3907         if (os_strcmp(field, "modes") == 0)
3908                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3909                                                        buf, buflen);
3910
3911         if (os_strcmp(field, "channels") == 0)
3912                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3913
3914         if (os_strcmp(field, "freq") == 0)
3915                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3916
3917 #ifdef CONFIG_TDLS
3918         if (os_strcmp(field, "tdls") == 0)
3919                 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3920 #endif /* CONFIG_TDLS */
3921
3922 #ifdef CONFIG_ERP
3923         if (os_strcmp(field, "erp") == 0) {
3924                 res = os_snprintf(buf, buflen, "ERP");
3925                 if (os_snprintf_error(buflen, res))
3926                         return -1;
3927                 return res;
3928         }
3929 #endif /* CONFIG_EPR */
3930
3931 #ifdef CONFIG_FIPS
3932         if (os_strcmp(field, "fips") == 0) {
3933                 res = os_snprintf(buf, buflen, "FIPS");
3934                 if (os_snprintf_error(buflen, res))
3935                         return -1;
3936                 return res;
3937         }
3938 #endif /* CONFIG_FIPS */
3939
3940         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3941                    field);
3942
3943         return -1;
3944 }
3945
3946
3947 #ifdef CONFIG_INTERWORKING
3948 static char * anqp_add_hex(char *pos, char *end, const char *title,
3949                            struct wpabuf *data)
3950 {
3951         char *start = pos;
3952         size_t i;
3953         int ret;
3954         const u8 *d;
3955
3956         if (data == NULL)
3957                 return start;
3958
3959         ret = os_snprintf(pos, end - pos, "%s=", title);
3960         if (os_snprintf_error(end - pos, ret))
3961                 return start;
3962         pos += ret;
3963
3964         d = wpabuf_head_u8(data);
3965         for (i = 0; i < wpabuf_len(data); i++) {
3966                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3967                 if (os_snprintf_error(end - pos, ret))
3968                         return start;
3969                 pos += ret;
3970         }
3971
3972         ret = os_snprintf(pos, end - pos, "\n");
3973         if (os_snprintf_error(end - pos, ret))
3974                 return start;
3975         pos += ret;
3976
3977         return pos;
3978 }
3979 #endif /* CONFIG_INTERWORKING */
3980
3981
3982 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3983                           unsigned long mask, char *buf, size_t buflen)
3984 {
3985         size_t i;
3986         int ret;
3987         char *pos, *end;
3988         const u8 *ie, *ie2, *osen_ie;
3989
3990         pos = buf;
3991         end = buf + buflen;
3992
3993         if (mask & WPA_BSS_MASK_ID) {
3994                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3995                 if (os_snprintf_error(end - pos, ret))
3996                         return 0;
3997                 pos += ret;
3998         }
3999
4000         if (mask & WPA_BSS_MASK_BSSID) {
4001                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
4002                                   MAC2STR(bss->bssid));
4003                 if (os_snprintf_error(end - pos, ret))
4004                         return 0;
4005                 pos += ret;
4006         }
4007
4008         if (mask & WPA_BSS_MASK_FREQ) {
4009                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
4010                 if (os_snprintf_error(end - pos, ret))
4011                         return 0;
4012                 pos += ret;
4013         }
4014
4015         if (mask & WPA_BSS_MASK_BEACON_INT) {
4016                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
4017                                   bss->beacon_int);
4018                 if (os_snprintf_error(end - pos, ret))
4019                         return 0;
4020                 pos += ret;
4021         }
4022
4023         if (mask & WPA_BSS_MASK_CAPABILITIES) {
4024                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
4025                                   bss->caps);
4026                 if (os_snprintf_error(end - pos, ret))
4027                         return 0;
4028                 pos += ret;
4029         }
4030
4031         if (mask & WPA_BSS_MASK_QUAL) {
4032                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
4033                 if (os_snprintf_error(end - pos, ret))
4034                         return 0;
4035                 pos += ret;
4036         }
4037
4038         if (mask & WPA_BSS_MASK_NOISE) {
4039                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
4040                 if (os_snprintf_error(end - pos, ret))
4041                         return 0;
4042                 pos += ret;
4043         }
4044
4045         if (mask & WPA_BSS_MASK_LEVEL) {
4046                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
4047                 if (os_snprintf_error(end - pos, ret))
4048                         return 0;
4049                 pos += ret;
4050         }
4051
4052         if (mask & WPA_BSS_MASK_TSF) {
4053                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
4054                                   (unsigned long long) bss->tsf);
4055                 if (os_snprintf_error(end - pos, ret))
4056                         return 0;
4057                 pos += ret;
4058         }
4059
4060         if (mask & WPA_BSS_MASK_AGE) {
4061                 struct os_reltime now;
4062
4063                 os_get_reltime(&now);
4064                 ret = os_snprintf(pos, end - pos, "age=%d\n",
4065                                   (int) (now.sec - bss->last_update.sec));
4066                 if (os_snprintf_error(end - pos, ret))
4067                         return 0;
4068                 pos += ret;
4069         }
4070
4071         if (mask & WPA_BSS_MASK_IE) {
4072                 ret = os_snprintf(pos, end - pos, "ie=");
4073                 if (os_snprintf_error(end - pos, ret))
4074                         return 0;
4075                 pos += ret;
4076
4077                 ie = (const u8 *) (bss + 1);
4078                 for (i = 0; i < bss->ie_len; i++) {
4079                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4080                         if (os_snprintf_error(end - pos, ret))
4081                                 return 0;
4082                         pos += ret;
4083                 }
4084
4085                 ret = os_snprintf(pos, end - pos, "\n");
4086                 if (os_snprintf_error(end - pos, ret))
4087                         return 0;
4088                 pos += ret;
4089         }
4090
4091         if (mask & WPA_BSS_MASK_FLAGS) {
4092                 ret = os_snprintf(pos, end - pos, "flags=");
4093                 if (os_snprintf_error(end - pos, ret))
4094                         return 0;
4095                 pos += ret;
4096
4097                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
4098                 if (ie)
4099                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
4100                                                     2 + ie[1]);
4101                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4102                 if (ie2)
4103                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
4104                                                     2 + ie2[1]);
4105                 osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
4106                 if (osen_ie)
4107                         pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
4108                                                     osen_ie, 2 + osen_ie[1]);
4109                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
4110                 if (!ie && !ie2 && !osen_ie &&
4111                     (bss->caps & IEEE80211_CAP_PRIVACY)) {
4112                         ret = os_snprintf(pos, end - pos, "[WEP]");
4113                         if (os_snprintf_error(end - pos, ret))
4114                                 return 0;
4115                         pos += ret;
4116                 }
4117                 if (bss_is_dmg(bss)) {
4118                         const char *s;
4119                         ret = os_snprintf(pos, end - pos, "[DMG]");
4120                         if (os_snprintf_error(end - pos, ret))
4121                                 return 0;
4122                         pos += ret;
4123                         switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
4124                         case IEEE80211_CAP_DMG_IBSS:
4125                                 s = "[IBSS]";
4126                                 break;
4127                         case IEEE80211_CAP_DMG_AP:
4128                                 s = "[ESS]";
4129                                 break;
4130                         case IEEE80211_CAP_DMG_PBSS:
4131                                 s = "[PBSS]";
4132                                 break;
4133                         default:
4134                                 s = "";
4135                                 break;
4136                         }
4137                         ret = os_snprintf(pos, end - pos, "%s", s);
4138                         if (os_snprintf_error(end - pos, ret))
4139                                 return 0;
4140                         pos += ret;
4141                 } else {
4142                         if (bss->caps & IEEE80211_CAP_IBSS) {
4143                                 ret = os_snprintf(pos, end - pos, "[IBSS]");
4144                                 if (os_snprintf_error(end - pos, ret))
4145                                         return 0;
4146                                 pos += ret;
4147                         }
4148                         if (bss->caps & IEEE80211_CAP_ESS) {
4149                                 ret = os_snprintf(pos, end - pos, "[ESS]");
4150                                 if (os_snprintf_error(end - pos, ret))
4151                                         return 0;
4152                                 pos += ret;
4153                         }
4154                 }
4155                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
4156                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
4157                         ret = os_snprintf(pos, end - pos, "[P2P]");
4158                         if (os_snprintf_error(end - pos, ret))
4159                                 return 0;
4160                         pos += ret;
4161                 }
4162 #ifdef CONFIG_HS20
4163                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
4164                         ret = os_snprintf(pos, end - pos, "[HS20]");
4165                         if (os_snprintf_error(end - pos, ret))
4166                                 return 0;
4167                         pos += ret;
4168                 }
4169 #endif /* CONFIG_HS20 */
4170
4171                 ret = os_snprintf(pos, end - pos, "\n");
4172                 if (os_snprintf_error(end - pos, ret))
4173                         return 0;
4174                 pos += ret;
4175         }
4176
4177         if (mask & WPA_BSS_MASK_SSID) {
4178                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
4179                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
4180                 if (os_snprintf_error(end - pos, ret))
4181                         return 0;
4182                 pos += ret;
4183         }
4184
4185 #ifdef CONFIG_WPS
4186         if (mask & WPA_BSS_MASK_WPS_SCAN) {
4187                 ie = (const u8 *) (bss + 1);
4188                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
4189                 if (ret >= end - pos)
4190                         return 0;
4191                 if (ret > 0)
4192                         pos += ret;
4193         }
4194 #endif /* CONFIG_WPS */
4195
4196 #ifdef CONFIG_P2P
4197         if (mask & WPA_BSS_MASK_P2P_SCAN) {
4198                 ie = (const u8 *) (bss + 1);
4199                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
4200                 if (ret < 0 || ret >= end - pos)
4201                         return 0;
4202                 pos += ret;
4203         }
4204 #endif /* CONFIG_P2P */
4205
4206 #ifdef CONFIG_WIFI_DISPLAY
4207         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
4208                 struct wpabuf *wfd;
4209                 ie = (const u8 *) (bss + 1);
4210                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
4211                                                   WFD_IE_VENDOR_TYPE);
4212                 if (wfd) {
4213                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
4214                         if (os_snprintf_error(end - pos, ret)) {
4215                                 wpabuf_free(wfd);
4216                                 return 0;
4217                         }
4218                         pos += ret;
4219
4220                         pos += wpa_snprintf_hex(pos, end - pos,
4221                                                 wpabuf_head(wfd),
4222                                                 wpabuf_len(wfd));
4223                         wpabuf_free(wfd);
4224
4225                         ret = os_snprintf(pos, end - pos, "\n");
4226                         if (os_snprintf_error(end - pos, ret))
4227                                 return 0;
4228                         pos += ret;
4229                 }
4230         }
4231 #endif /* CONFIG_WIFI_DISPLAY */
4232
4233 #ifdef CONFIG_INTERWORKING
4234         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
4235                 struct wpa_bss_anqp *anqp = bss->anqp;
4236                 struct wpa_bss_anqp_elem *elem;
4237
4238                 pos = anqp_add_hex(pos, end, "anqp_capability_list",
4239                                    anqp->capability_list);
4240                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
4241                                    anqp->venue_name);
4242                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4243                                    anqp->network_auth_type);
4244                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4245                                    anqp->roaming_consortium);
4246                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4247                                    anqp->ip_addr_type_availability);
4248                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4249                                    anqp->nai_realm);
4250                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4251                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
4252                                    anqp->domain_name);
4253 #ifdef CONFIG_HS20
4254                 pos = anqp_add_hex(pos, end, "hs20_capability_list",
4255                                    anqp->hs20_capability_list);
4256                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4257                                    anqp->hs20_operator_friendly_name);
4258                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4259                                    anqp->hs20_wan_metrics);
4260                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4261                                    anqp->hs20_connection_capability);
4262                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
4263                                    anqp->hs20_operating_class);
4264                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4265                                    anqp->hs20_osu_providers_list);
4266 #endif /* CONFIG_HS20 */
4267
4268                 dl_list_for_each(elem, &anqp->anqp_elems,
4269                                  struct wpa_bss_anqp_elem, list) {
4270                         char title[20];
4271
4272                         os_snprintf(title, sizeof(title), "anqp[%u]",
4273                                     elem->infoid);
4274                         pos = anqp_add_hex(pos, end, title, elem->payload);
4275                 }
4276         }
4277 #endif /* CONFIG_INTERWORKING */
4278
4279 #ifdef CONFIG_MESH
4280         if (mask & WPA_BSS_MASK_MESH_SCAN) {
4281                 ie = (const u8 *) (bss + 1);
4282                 ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4283                 if (ret < 0 || ret >= end - pos)
4284                         return 0;
4285                 pos += ret;
4286         }
4287 #endif /* CONFIG_MESH */
4288
4289         if (mask & WPA_BSS_MASK_SNR) {
4290                 ret = os_snprintf(pos, end - pos, "snr=%d\n", bss->snr);
4291                 if (os_snprintf_error(end - pos, ret))
4292                         return 0;
4293                 pos += ret;
4294         }
4295
4296         if (mask & WPA_BSS_MASK_EST_THROUGHPUT) {
4297                 ret = os_snprintf(pos, end - pos, "est_throughput=%d\n",
4298                                   bss->est_throughput);
4299                 if (os_snprintf_error(end - pos, ret))
4300                         return 0;
4301                 pos += ret;
4302         }
4303
4304 #ifdef CONFIG_FST
4305         if (mask & WPA_BSS_MASK_FST) {
4306                 ret = fst_ctrl_iface_mb_info(bss->bssid, pos, end - pos);
4307                 if (ret < 0 || ret >= end - pos)
4308                         return 0;
4309                 pos += ret;
4310         }
4311 #endif /* CONFIG_FST */
4312
4313         if (mask & WPA_BSS_MASK_DELIM) {
4314                 ret = os_snprintf(pos, end - pos, "====\n");
4315                 if (os_snprintf_error(end - pos, ret))
4316                         return 0;
4317                 pos += ret;
4318         }
4319
4320         return pos - buf;
4321 }
4322
4323
4324 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
4325                                          const char *cmd, char *buf,
4326                                          size_t buflen)
4327 {
4328         u8 bssid[ETH_ALEN];
4329         size_t i;
4330         struct wpa_bss *bss;
4331         struct wpa_bss *bsslast = NULL;
4332         struct dl_list *next;
4333         int ret = 0;
4334         int len;
4335         char *ctmp, *end = buf + buflen;
4336         unsigned long mask = WPA_BSS_MASK_ALL;
4337
4338         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
4339                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
4340                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
4341                                             list_id);
4342                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
4343                                                list_id);
4344                 } else { /* N1-N2 */
4345                         unsigned int id1, id2;
4346
4347                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
4348                                 wpa_printf(MSG_INFO, "Wrong BSS range "
4349                                            "format");
4350                                 return 0;
4351                         }
4352
4353                         if (*(cmd + 6) == '-')
4354                                 id1 = 0;
4355                         else
4356                                 id1 = atoi(cmd + 6);
4357                         ctmp++;
4358                         if (*ctmp >= '0' && *ctmp <= '9')
4359                                 id2 = atoi(ctmp);
4360                         else
4361                                 id2 = (unsigned int) -1;
4362                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4363                         if (id2 == (unsigned int) -1)
4364                                 bsslast = dl_list_last(&wpa_s->bss_id,
4365                                                        struct wpa_bss,
4366                                                        list_id);
4367                         else {
4368                                 bsslast = wpa_bss_get_id(wpa_s, id2);
4369                                 if (bsslast == NULL && bss && id2 > id1) {
4370                                         struct wpa_bss *tmp = bss;
4371                                         for (;;) {
4372                                                 next = tmp->list_id.next;
4373                                                 if (next == &wpa_s->bss_id)
4374                                                         break;
4375                                                 tmp = dl_list_entry(
4376                                                         next, struct wpa_bss,
4377                                                         list_id);
4378                                                 if (tmp->id > id2)
4379                                                         break;
4380                                                 bsslast = tmp;
4381                                         }
4382                                 }
4383                         }
4384                 }
4385         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
4386                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4387         else if (os_strncmp(cmd, "LAST", 4) == 0)
4388                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4389         else if (os_strncmp(cmd, "ID-", 3) == 0) {
4390                 i = atoi(cmd + 3);
4391                 bss = wpa_bss_get_id(wpa_s, i);
4392         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4393                 i = atoi(cmd + 5);
4394                 bss = wpa_bss_get_id(wpa_s, i);
4395                 if (bss) {
4396                         next = bss->list_id.next;
4397                         if (next == &wpa_s->bss_id)
4398                                 bss = NULL;
4399                         else
4400                                 bss = dl_list_entry(next, struct wpa_bss,
4401                                                     list_id);
4402                 }
4403 #ifdef CONFIG_P2P
4404         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4405                 if (hwaddr_aton(cmd + 13, bssid) == 0)
4406                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4407                 else
4408                         bss = NULL;
4409 #endif /* CONFIG_P2P */
4410         } else if (hwaddr_aton(cmd, bssid) == 0)
4411                 bss = wpa_bss_get_bssid(wpa_s, bssid);
4412         else {
4413                 struct wpa_bss *tmp;
4414                 i = atoi(cmd);
4415                 bss = NULL;
4416                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4417                 {
4418                         if (i-- == 0) {
4419                                 bss = tmp;
4420                                 break;
4421                         }
4422                 }
4423         }
4424
4425         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4426                 mask = strtoul(ctmp + 5, NULL, 0x10);
4427                 if (mask == 0)
4428                         mask = WPA_BSS_MASK_ALL;
4429         }
4430
4431         if (bss == NULL)
4432                 return 0;
4433
4434         if (bsslast == NULL)
4435                 bsslast = bss;
4436         do {
4437                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4438                 ret += len;
4439                 buf += len;
4440                 buflen -= len;
4441                 if (bss == bsslast) {
4442                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
4443                             (bss == dl_list_last(&wpa_s->bss_id,
4444                                                  struct wpa_bss, list_id))) {
4445                                 int res;
4446
4447                                 res = os_snprintf(buf - 5, end - buf + 5,
4448                                                   "####\n");
4449                                 if (os_snprintf_error(end - buf + 5, res)) {
4450                                         wpa_printf(MSG_DEBUG,
4451                                                    "Could not add end delim");
4452                                 }
4453                         }
4454                         break;
4455                 }
4456                 next = bss->list_id.next;
4457                 if (next == &wpa_s->bss_id)
4458                         break;
4459                 bss = dl_list_entry(next, struct wpa_bss, list_id);
4460         } while (bss && len);
4461
4462         return ret;
4463 }
4464
4465
4466 static int wpa_supplicant_ctrl_iface_ap_scan(
4467         struct wpa_supplicant *wpa_s, char *cmd)
4468 {
4469         int ap_scan = atoi(cmd);
4470         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4471 }
4472
4473
4474 static int wpa_supplicant_ctrl_iface_scan_interval(
4475         struct wpa_supplicant *wpa_s, char *cmd)
4476 {
4477         int scan_int = atoi(cmd);
4478         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4479 }
4480
4481
4482 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4483         struct wpa_supplicant *wpa_s, char *cmd)
4484 {
4485         int expire_age = atoi(cmd);
4486         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4487 }
4488
4489
4490 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4491         struct wpa_supplicant *wpa_s, char *cmd)
4492 {
4493         int expire_count = atoi(cmd);
4494         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4495 }
4496
4497
4498 static void wpa_supplicant_ctrl_iface_bss_flush(
4499         struct wpa_supplicant *wpa_s, char *cmd)
4500 {
4501         int flush_age = atoi(cmd);
4502
4503         if (flush_age == 0)
4504                 wpa_bss_flush(wpa_s);
4505         else
4506                 wpa_bss_flush_by_age(wpa_s, flush_age);
4507 }
4508
4509
4510 #ifdef CONFIG_TESTING_OPTIONS
4511 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4512 {
4513         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4514         /* MLME-DELETEKEYS.request */
4515         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4516         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4517         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4518         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4519 #ifdef CONFIG_IEEE80211W
4520         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4521         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4522 #endif /* CONFIG_IEEE80211W */
4523
4524         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4525                         0);
4526         /* MLME-SETPROTECTION.request(None) */
4527         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4528                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4529                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4530         wpa_sm_drop_sa(wpa_s->wpa);
4531 }
4532 #endif /* CONFIG_TESTING_OPTIONS */
4533
4534
4535 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4536                                           char *addr)
4537 {
4538 #ifdef CONFIG_NO_SCAN_PROCESSING
4539         return -1;
4540 #else /* CONFIG_NO_SCAN_PROCESSING */
4541         u8 bssid[ETH_ALEN];
4542         struct wpa_bss *bss;
4543         struct wpa_ssid *ssid = wpa_s->current_ssid;
4544
4545         if (hwaddr_aton(addr, bssid)) {
4546                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4547                            "address '%s'", addr);
4548                 return -1;
4549         }
4550
4551         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4552
4553         if (!ssid) {
4554                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4555                            "configuration known for the target AP");
4556                 return -1;
4557         }
4558
4559         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4560         if (!bss) {
4561                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4562                            "from BSS table");
4563                 return -1;
4564         }
4565
4566         /*
4567          * TODO: Find best network configuration block from configuration to
4568          * allow roaming to other networks
4569          */
4570
4571         wpa_s->reassociate = 1;
4572         wpa_supplicant_connect(wpa_s, bss, ssid);
4573
4574         return 0;
4575 #endif /* CONFIG_NO_SCAN_PROCESSING */
4576 }
4577
4578
4579 #ifdef CONFIG_P2P
4580 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4581 {
4582         unsigned int timeout = atoi(cmd);
4583         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4584         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4585         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4586         char *pos;
4587         unsigned int search_delay;
4588         const char *_seek[P2P_MAX_QUERY_HASH + 1], **seek = NULL;
4589         u8 seek_count = 0;
4590         int freq = 0;
4591
4592         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4593                 wpa_dbg(wpa_s, MSG_INFO,
4594                         "Reject P2P_FIND since interface is disabled");
4595                 return -1;
4596         }
4597         if (os_strstr(cmd, "type=social"))
4598                 type = P2P_FIND_ONLY_SOCIAL;
4599         else if (os_strstr(cmd, "type=progressive"))
4600                 type = P2P_FIND_PROGRESSIVE;
4601
4602         pos = os_strstr(cmd, "dev_id=");
4603         if (pos) {
4604                 pos += 7;
4605                 if (hwaddr_aton(pos, dev_id))
4606                         return -1;
4607                 _dev_id = dev_id;
4608         }
4609
4610         pos = os_strstr(cmd, "dev_type=");
4611         if (pos) {
4612                 pos += 9;
4613                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4614                         return -1;
4615                 _dev_type = dev_type;
4616         }
4617
4618         pos = os_strstr(cmd, "delay=");
4619         if (pos) {
4620                 pos += 6;
4621                 search_delay = atoi(pos);
4622         } else
4623                 search_delay = wpas_p2p_search_delay(wpa_s);
4624
4625         pos = os_strstr(cmd, "freq=");
4626         if (pos) {
4627                 pos += 5;
4628                 freq = atoi(pos);
4629                 if (freq <= 0)
4630                         return -1;
4631         }
4632
4633         /* Must be searched for last, because it adds nul termination */
4634         pos = os_strstr(cmd, " seek=");
4635         if (pos)
4636                 pos += 6;
4637         while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
4638                 char *term;
4639
4640                 _seek[seek_count++] = pos;
4641                 seek = _seek;
4642                 term = os_strchr(pos, ' ');
4643                 if (!term)
4644                         break;
4645                 *term = '\0';
4646                 pos = os_strstr(term + 1, "seek=");
4647                 if (pos)
4648                         pos += 5;
4649         }
4650         if (seek_count > P2P_MAX_QUERY_HASH) {
4651                 seek[0] = NULL;
4652                 seek_count = 1;
4653         }
4654
4655         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4656                              _dev_id, search_delay, seek_count, seek, freq);
4657 }
4658
4659
4660 static int p2ps_ctrl_parse_cpt_priority(const char *pos, u8 *cpt)
4661 {
4662         const char *last = NULL;
4663         const char *token;
4664         long int token_len;
4665         unsigned int i;
4666
4667         /* Expected predefined CPT names delimited by ':' */
4668         for (i = 0; (token = cstr_token(pos, ": \t", &last)); i++) {
4669                 if (i >= P2PS_FEATURE_CAPAB_CPT_MAX) {
4670                         wpa_printf(MSG_ERROR,
4671                                    "P2PS: CPT name list is too long, expected up to %d names",
4672                                    P2PS_FEATURE_CAPAB_CPT_MAX);
4673                         cpt[0] = 0;
4674                         return -1;
4675                 }
4676
4677                 token_len = last - token;
4678
4679                 if (token_len  == 3 &&
4680                     os_memcmp(token, "UDP", token_len) == 0) {
4681                         cpt[i] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4682                 } else if (token_len == 3 &&
4683                            os_memcmp(token, "MAC", token_len) == 0) {
4684                         cpt[i] = P2PS_FEATURE_CAPAB_MAC_TRANSPORT;
4685                 } else {
4686                         wpa_printf(MSG_ERROR,
4687                                    "P2PS: Unsupported CPT name '%s'", token);
4688                         cpt[0] = 0;
4689                         return -1;
4690                 }
4691
4692                 if (isblank(*last)) {
4693                         i++;
4694                         break;
4695                 }
4696         }
4697         cpt[i] = 0;
4698         return 0;
4699 }
4700
4701
4702 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
4703 {
4704         struct p2ps_provision *p2ps_prov;
4705         char *pos;
4706         size_t info_len = 0;
4707         char *info = NULL;
4708         u8 role = P2PS_SETUP_NONE;
4709         long long unsigned val;
4710         int i;
4711
4712         pos = os_strstr(cmd, "info=");
4713         if (pos) {
4714                 pos += 5;
4715                 info_len = os_strlen(pos);
4716
4717                 if (info_len) {
4718                         info = os_malloc(info_len + 1);
4719                         if (info) {
4720                                 info_len = utf8_unescape(pos, info_len,
4721                                                          info, info_len + 1);
4722                         } else
4723                                 info_len = 0;
4724                 }
4725         }
4726
4727         p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
4728         if (p2ps_prov == NULL) {
4729                 os_free(info);
4730                 return NULL;
4731         }
4732
4733         if (info) {
4734                 os_memcpy(p2ps_prov->info, info, info_len);
4735                 p2ps_prov->info[info_len] = '\0';
4736                 os_free(info);
4737         }
4738
4739         pos = os_strstr(cmd, "status=");
4740         if (pos)
4741                 p2ps_prov->status = atoi(pos + 7);
4742         else
4743                 p2ps_prov->status = -1;
4744
4745         pos = os_strstr(cmd, "adv_id=");
4746         if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
4747                 goto invalid_args;
4748         p2ps_prov->adv_id = val;
4749
4750         pos = os_strstr(cmd, "method=");
4751         if (pos)
4752                 p2ps_prov->method = strtol(pos + 7, NULL, 16);
4753         else
4754                 p2ps_prov->method = 0;
4755
4756         pos = os_strstr(cmd, "session=");
4757         if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
4758                 goto invalid_args;
4759         p2ps_prov->session_id = val;
4760
4761         pos = os_strstr(cmd, "adv_mac=");
4762         if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
4763                 goto invalid_args;
4764
4765         pos = os_strstr(cmd, "session_mac=");
4766         if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
4767                 goto invalid_args;
4768
4769         pos = os_strstr(cmd, "cpt=");
4770         if (pos) {
4771                 if (p2ps_ctrl_parse_cpt_priority(pos + 4,
4772                                                  p2ps_prov->cpt_priority))
4773                         goto invalid_args;
4774         } else {
4775                 p2ps_prov->cpt_priority[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4776         }
4777
4778         for (i = 0; p2ps_prov->cpt_priority[i]; i++)
4779                 p2ps_prov->cpt_mask |= p2ps_prov->cpt_priority[i];
4780
4781         /* force conncap with tstCap (no sanity checks) */
4782         pos = os_strstr(cmd, "tstCap=");
4783         if (pos) {
4784                 role = strtol(pos + 7, NULL, 16);
4785         } else {
4786                 pos = os_strstr(cmd, "role=");
4787                 if (pos) {
4788                         role = strtol(pos + 5, NULL, 16);
4789                         if (role != P2PS_SETUP_CLIENT &&
4790                             role != P2PS_SETUP_GROUP_OWNER)
4791                                 role = P2PS_SETUP_NONE;
4792                 }
4793         }
4794         p2ps_prov->role = role;
4795
4796         return p2ps_prov;
4797
4798 invalid_args:
4799         os_free(p2ps_prov);
4800         return NULL;
4801 }
4802
4803
4804 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
4805 {
4806         u8 addr[ETH_ALEN];
4807         struct p2ps_provision *p2ps_prov;
4808         char *pos;
4809
4810         /* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
4811
4812         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4813
4814         if (hwaddr_aton(cmd, addr))
4815                 return -1;
4816
4817         pos = cmd + 17;
4818         if (*pos != ' ')
4819                 return -1;
4820
4821         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4822         if (!p2ps_prov)
4823                 return -1;
4824
4825         if (p2ps_prov->status < 0) {
4826                 os_free(p2ps_prov);
4827                 return -1;
4828         }
4829
4830         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4831                                   p2ps_prov);
4832 }
4833
4834
4835 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
4836 {
4837         u8 addr[ETH_ALEN];
4838         struct p2ps_provision *p2ps_prov;
4839         char *pos;
4840
4841         /* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
4842          *        session=<ses_id> mac=<ses_mac> [info=<infodata>]
4843          */
4844
4845         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4846         if (hwaddr_aton(cmd, addr))
4847                 return -1;
4848
4849         pos = cmd + 17;
4850         if (*pos != ' ')
4851                 return -1;
4852
4853         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4854         if (!p2ps_prov)
4855                 return -1;
4856
4857         p2ps_prov->pd_seeker = 1;
4858
4859         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4860                                   p2ps_prov);
4861 }
4862
4863
4864 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4865                             char *buf, size_t buflen)
4866 {
4867         u8 addr[ETH_ALEN];
4868         char *pos, *pos2;
4869         char *pin = NULL;
4870         enum p2p_wps_method wps_method;
4871         int new_pin;
4872         int ret;
4873         int persistent_group, persistent_id = -1;
4874         int join;
4875         int auth;
4876         int automatic;
4877         int go_intent = -1;
4878         int freq = 0;
4879         int pd;
4880         int ht40, vht;
4881
4882         if (!wpa_s->global->p2p_init_wpa_s)
4883                 return -1;
4884         if (wpa_s->global->p2p_init_wpa_s != wpa_s) {
4885                 wpa_dbg(wpa_s, MSG_DEBUG, "Direct P2P_CONNECT command to %s",
4886                         wpa_s->global->p2p_init_wpa_s->ifname);
4887                 wpa_s = wpa_s->global->p2p_init_wpa_s;
4888         }
4889
4890         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
4891          * [persistent|persistent=<network id>]
4892          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4893          * [ht40] [vht] [auto] */
4894
4895         if (hwaddr_aton(cmd, addr))
4896                 return -1;
4897
4898         pos = cmd + 17;
4899         if (*pos != ' ')
4900                 return -1;
4901         pos++;
4902
4903         persistent_group = os_strstr(pos, " persistent") != NULL;
4904         pos2 = os_strstr(pos, " persistent=");
4905         if (pos2) {
4906                 struct wpa_ssid *ssid;
4907                 persistent_id = atoi(pos2 + 12);
4908                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4909                 if (ssid == NULL || ssid->disabled != 2 ||
4910                     ssid->mode != WPAS_MODE_P2P_GO) {
4911                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4912                                    "SSID id=%d for persistent P2P group (GO)",
4913                                    persistent_id);
4914                         return -1;
4915                 }
4916         }
4917         join = os_strstr(pos, " join") != NULL;
4918         auth = os_strstr(pos, " auth") != NULL;
4919         automatic = os_strstr(pos, " auto") != NULL;
4920         pd = os_strstr(pos, " provdisc") != NULL;
4921         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4922         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4923                 vht;
4924
4925         pos2 = os_strstr(pos, " go_intent=");
4926         if (pos2) {
4927                 pos2 += 11;
4928                 go_intent = atoi(pos2);
4929                 if (go_intent < 0 || go_intent > 15)
4930                         return -1;
4931         }
4932
4933         pos2 = os_strstr(pos, " freq=");
4934         if (pos2) {
4935                 pos2 += 6;
4936                 freq = atoi(pos2);
4937                 if (freq <= 0)
4938                         return -1;
4939         }
4940
4941         if (os_strncmp(pos, "pin", 3) == 0) {
4942                 /* Request random PIN (to be displayed) and enable the PIN */
4943                 wps_method = WPS_PIN_DISPLAY;
4944         } else if (os_strncmp(pos, "pbc", 3) == 0) {
4945                 wps_method = WPS_PBC;
4946         } else {
4947                 pin = pos;
4948                 pos = os_strchr(pin, ' ');
4949                 wps_method = WPS_PIN_KEYPAD;
4950                 if (pos) {
4951                         *pos++ = '\0';
4952                         if (os_strncmp(pos, "display", 7) == 0)
4953                                 wps_method = WPS_PIN_DISPLAY;
4954                         else if (os_strncmp(pos, "p2ps", 4) == 0)
4955                                 wps_method = WPS_P2PS;
4956                 }
4957                 if (!wps_pin_str_valid(pin)) {
4958                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
4959                         return 17;
4960                 }
4961         }
4962
4963         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
4964                                    persistent_group, automatic, join,
4965                                    auth, go_intent, freq, persistent_id, pd,
4966                                    ht40, vht);
4967         if (new_pin == -2) {
4968                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
4969                 return 25;
4970         }
4971         if (new_pin == -3) {
4972                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
4973                 return 25;
4974         }
4975         if (new_pin < 0)
4976                 return -1;
4977         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
4978                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
4979                 if (os_snprintf_error(buflen, ret))
4980                         return -1;
4981                 return ret;
4982         }
4983
4984         os_memcpy(buf, "OK\n", 3);
4985         return 3;
4986 }
4987
4988
4989 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
4990 {
4991         unsigned int timeout = atoi(cmd);
4992         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4993                 wpa_dbg(wpa_s, MSG_INFO,
4994                         "Reject P2P_LISTEN since interface is disabled");
4995                 return -1;
4996         }
4997         return wpas_p2p_listen(wpa_s, timeout);
4998 }
4999
5000
5001 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
5002 {
5003         u8 addr[ETH_ALEN];
5004         char *pos;
5005         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
5006
5007         /* <addr> <config method> [join|auto] */
5008
5009         if (hwaddr_aton(cmd, addr))
5010                 return -1;
5011
5012         pos = cmd + 17;
5013         if (*pos != ' ')
5014                 return -1;
5015         pos++;
5016
5017         if (os_strstr(pos, " join") != NULL)
5018                 use = WPAS_P2P_PD_FOR_JOIN;
5019         else if (os_strstr(pos, " auto") != NULL)
5020                 use = WPAS_P2P_PD_AUTO;
5021
5022         return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
5023 }
5024
5025
5026 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
5027                               size_t buflen)
5028 {
5029         struct wpa_ssid *ssid = wpa_s->current_ssid;
5030
5031         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
5032             ssid->passphrase == NULL)
5033                 return -1;
5034
5035         os_strlcpy(buf, ssid->passphrase, buflen);
5036         return os_strlen(buf);
5037 }
5038
5039
5040 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
5041                                   char *buf, size_t buflen)
5042 {
5043         u64 ref;
5044         int res;
5045         u8 dst_buf[ETH_ALEN], *dst;
5046         struct wpabuf *tlvs;
5047         char *pos;
5048         size_t len;
5049
5050         if (hwaddr_aton(cmd, dst_buf))
5051                 return -1;
5052         dst = dst_buf;
5053         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
5054             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
5055                 dst = NULL;
5056         pos = cmd + 17;
5057         if (*pos != ' ')
5058                 return -1;
5059         pos++;
5060
5061         if (os_strncmp(pos, "upnp ", 5) == 0) {
5062                 u8 version;
5063                 pos += 5;
5064                 if (hexstr2bin(pos, &version, 1) < 0)
5065                         return -1;
5066                 pos += 2;
5067                 if (*pos != ' ')
5068                         return -1;
5069                 pos++;
5070                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
5071 #ifdef CONFIG_WIFI_DISPLAY
5072         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
5073                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
5074 #endif /* CONFIG_WIFI_DISPLAY */
5075         } else if (os_strncmp(pos, "asp ", 4) == 0) {
5076                 char *svc_str;
5077                 char *svc_info = NULL;
5078                 u32 id;
5079
5080                 pos += 4;
5081                 if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
5082                         return -1;
5083
5084                 pos = os_strchr(pos, ' ');
5085                 if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
5086                         return -1;
5087
5088                 svc_str = pos + 1;
5089
5090                 pos = os_strchr(svc_str, ' ');
5091
5092                 if (pos)
5093                         *pos++ = '\0';
5094
5095                 /* All remaining data is the svc_info string */
5096                 if (pos && pos[0] && pos[0] != ' ') {
5097                         len = os_strlen(pos);
5098
5099                         /* Unescape in place */
5100                         len = utf8_unescape(pos, len, pos, len);
5101                         if (len > 0xff)
5102                                 return -1;
5103
5104                         svc_info = pos;
5105                 }
5106
5107                 ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
5108                                               svc_str, svc_info);
5109         } else {
5110                 len = os_strlen(pos);
5111                 if (len & 1)
5112                         return -1;
5113                 len /= 2;
5114                 tlvs = wpabuf_alloc(len);
5115                 if (tlvs == NULL)
5116                         return -1;
5117                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
5118                         wpabuf_free(tlvs);
5119                         return -1;
5120                 }
5121
5122                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
5123                 wpabuf_free(tlvs);
5124         }
5125         if (ref == 0)
5126                 return -1;
5127         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
5128         if (os_snprintf_error(buflen, res))
5129                 return -1;
5130         return res;
5131 }
5132
5133
5134 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
5135                                          char *cmd)
5136 {
5137         long long unsigned val;
5138         u64 req;
5139         if (sscanf(cmd, "%llx", &val) != 1)
5140                 return -1;
5141         req = val;
5142         return wpas_p2p_sd_cancel_request(wpa_s, req);
5143 }
5144
5145
5146 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
5147 {
5148         int freq;
5149         u8 dst[ETH_ALEN];
5150         u8 dialog_token;
5151         struct wpabuf *resp_tlvs;
5152         char *pos, *pos2;
5153         size_t len;
5154
5155         pos = os_strchr(cmd, ' ');
5156         if (pos == NULL)
5157                 return -1;
5158         *pos++ = '\0';
5159         freq = atoi(cmd);
5160         if (freq == 0)
5161                 return -1;
5162
5163         if (hwaddr_aton(pos, dst))
5164                 return -1;
5165         pos += 17;
5166         if (*pos != ' ')
5167                 return -1;
5168         pos++;
5169
5170         pos2 = os_strchr(pos, ' ');
5171         if (pos2 == NULL)
5172                 return -1;
5173         *pos2++ = '\0';
5174         dialog_token = atoi(pos);
5175
5176         len = os_strlen(pos2);
5177         if (len & 1)
5178                 return -1;
5179         len /= 2;
5180         resp_tlvs = wpabuf_alloc(len);
5181         if (resp_tlvs == NULL)
5182                 return -1;
5183         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
5184                 wpabuf_free(resp_tlvs);
5185                 return -1;
5186         }
5187
5188         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
5189         wpabuf_free(resp_tlvs);
5190         return 0;
5191 }
5192
5193
5194 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
5195                                        char *cmd)
5196 {
5197         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
5198                 return -1;
5199         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
5200         return 0;
5201 }
5202
5203
5204 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
5205                                         char *cmd)
5206 {
5207         char *pos;
5208         size_t len;
5209         struct wpabuf *query, *resp;
5210
5211         pos = os_strchr(cmd, ' ');
5212         if (pos == NULL)
5213                 return -1;
5214         *pos++ = '\0';
5215
5216         len = os_strlen(cmd);
5217         if (len & 1)
5218                 return -1;
5219         len /= 2;
5220         query = wpabuf_alloc(len);
5221         if (query == NULL)
5222                 return -1;
5223         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5224                 wpabuf_free(query);
5225                 return -1;
5226         }
5227
5228         len = os_strlen(pos);
5229         if (len & 1) {
5230                 wpabuf_free(query);
5231                 return -1;
5232         }
5233         len /= 2;
5234         resp = wpabuf_alloc(len);
5235         if (resp == NULL) {
5236                 wpabuf_free(query);
5237                 return -1;
5238         }
5239         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
5240                 wpabuf_free(query);
5241                 wpabuf_free(resp);
5242                 return -1;
5243         }
5244
5245         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
5246                 wpabuf_free(query);
5247                 wpabuf_free(resp);
5248                 return -1;
5249         }
5250         return 0;
5251 }
5252
5253
5254 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5255 {
5256         char *pos;
5257         u8 version;
5258
5259         pos = os_strchr(cmd, ' ');
5260         if (pos == NULL)
5261                 return -1;
5262         *pos++ = '\0';
5263
5264         if (hexstr2bin(cmd, &version, 1) < 0)
5265                 return -1;
5266
5267         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
5268 }
5269
5270
5271 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
5272                                     u8 replace, char *cmd)
5273 {
5274         char *pos;
5275         char *adv_str;
5276         u32 auto_accept, adv_id, svc_state, config_methods;
5277         char *svc_info = NULL;
5278         char *cpt_prio_str;
5279         u8 cpt_prio[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
5280
5281         pos = os_strchr(cmd, ' ');
5282         if (pos == NULL)
5283                 return -1;
5284         *pos++ = '\0';
5285
5286         /* Auto-Accept value is mandatory, and must be one of the
5287          * single values (0, 1, 2, 4) */
5288         auto_accept = atoi(cmd);
5289         switch (auto_accept) {
5290         case P2PS_SETUP_NONE: /* No auto-accept */
5291         case P2PS_SETUP_NEW:
5292         case P2PS_SETUP_CLIENT:
5293         case P2PS_SETUP_GROUP_OWNER:
5294                 break;
5295         default:
5296                 return -1;
5297         }
5298
5299         /* Advertisement ID is mandatory */
5300         cmd = pos;
5301         pos = os_strchr(cmd, ' ');
5302         if (pos == NULL)
5303                 return -1;
5304         *pos++ = '\0';
5305
5306         /* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
5307         if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
5308                 return -1;
5309
5310         /* Only allow replacements if exist, and adds if not */
5311         if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
5312                 if (!replace)
5313                         return -1;
5314         } else {
5315                 if (replace)
5316                         return -1;
5317         }
5318
5319         /* svc_state between 0 - 0xff is mandatory */
5320         if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
5321                 return -1;
5322
5323         pos = os_strchr(pos, ' ');
5324         if (pos == NULL)
5325                 return -1;
5326
5327         /* config_methods is mandatory */
5328         pos++;
5329         if (sscanf(pos, "%x", &config_methods) != 1)
5330                 return -1;
5331
5332         if (!(config_methods &
5333               (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
5334                 return -1;
5335
5336         pos = os_strchr(pos, ' ');
5337         if (pos == NULL)
5338                 return -1;
5339
5340         pos++;
5341         adv_str = pos;
5342
5343         /* Advertisement string is mandatory */
5344         if (!pos[0] || pos[0] == ' ')
5345                 return -1;
5346
5347         /* Terminate svc string */
5348         pos = os_strchr(pos, ' ');
5349         if (pos != NULL)
5350                 *pos++ = '\0';
5351
5352         cpt_prio_str = (pos && pos[0]) ? os_strstr(pos, "cpt=") : NULL;
5353         if (cpt_prio_str) {
5354                 pos = os_strchr(pos, ' ');
5355                 if (pos != NULL)
5356                         *pos++ = '\0';
5357
5358                 if (p2ps_ctrl_parse_cpt_priority(cpt_prio_str + 4, cpt_prio))
5359                         return -1;
5360         } else {
5361                 cpt_prio[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
5362                 cpt_prio[1] = 0;
5363         }
5364
5365         /* Service and Response Information are optional */
5366         if (pos && pos[0]) {
5367                 size_t len;
5368
5369                 /* Note the bare ' included, which cannot exist legally
5370                  * in unescaped string. */
5371                 svc_info = os_strstr(pos, "svc_info='");
5372
5373                 if (svc_info) {
5374                         svc_info += 9;
5375                         len = os_strlen(svc_info);
5376                         utf8_unescape(svc_info, len, svc_info, len);
5377                 }
5378         }
5379
5380         return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
5381                                         (u8) svc_state, (u16) config_methods,
5382                                         svc_info, cpt_prio);
5383 }
5384
5385
5386 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
5387 {
5388         char *pos;
5389
5390         pos = os_strchr(cmd, ' ');
5391         if (pos == NULL)
5392                 return -1;
5393         *pos++ = '\0';
5394
5395         if (os_strcmp(cmd, "bonjour") == 0)
5396                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
5397         if (os_strcmp(cmd, "upnp") == 0)
5398                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
5399         if (os_strcmp(cmd, "asp") == 0)
5400                 return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
5401         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5402         return -1;
5403 }
5404
5405
5406 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
5407                                         char *cmd)
5408 {
5409         size_t len;
5410         struct wpabuf *query;
5411         int ret;
5412
5413         len = os_strlen(cmd);
5414         if (len & 1)
5415                 return -1;
5416         len /= 2;
5417         query = wpabuf_alloc(len);
5418         if (query == NULL)
5419                 return -1;
5420         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5421                 wpabuf_free(query);
5422                 return -1;
5423         }
5424
5425         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
5426         wpabuf_free(query);
5427         return ret;
5428 }
5429
5430
5431 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5432 {
5433         char *pos;
5434         u8 version;
5435
5436         pos = os_strchr(cmd, ' ');
5437         if (pos == NULL)
5438                 return -1;
5439         *pos++ = '\0';
5440
5441         if (hexstr2bin(cmd, &version, 1) < 0)
5442                 return -1;
5443
5444         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
5445 }
5446
5447
5448 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
5449 {
5450         u32 adv_id;
5451
5452         if (os_strcmp(cmd, "all") == 0) {
5453                 wpas_p2p_service_flush_asp(wpa_s);
5454                 return 0;
5455         }
5456
5457         if (sscanf(cmd, "%x", &adv_id) != 1)
5458                 return -1;
5459
5460         return wpas_p2p_service_del_asp(wpa_s, adv_id);
5461 }
5462
5463
5464 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
5465 {
5466         char *pos;
5467
5468         pos = os_strchr(cmd, ' ');
5469         if (pos == NULL)
5470                 return -1;
5471         *pos++ = '\0';
5472
5473         if (os_strcmp(cmd, "bonjour") == 0)
5474                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
5475         if (os_strcmp(cmd, "upnp") == 0)
5476                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
5477         if (os_strcmp(cmd, "asp") == 0)
5478                 return p2p_ctrl_service_del_asp(wpa_s, pos);
5479         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5480         return -1;
5481 }
5482
5483
5484 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
5485 {
5486         char *pos;
5487
5488         pos = os_strchr(cmd, ' ');
5489         if (pos == NULL)
5490                 return -1;
5491         *pos++ = '\0';
5492
5493         if (os_strcmp(cmd, "asp") == 0)
5494                 return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
5495
5496         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5497         return -1;
5498 }
5499
5500
5501 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
5502 {
5503         u8 addr[ETH_ALEN];
5504
5505         /* <addr> */
5506
5507         if (hwaddr_aton(cmd, addr))
5508                 return -1;
5509
5510         return wpas_p2p_reject(wpa_s, addr);
5511 }
5512
5513
5514 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
5515 {
5516         char *pos;
5517         int id;
5518         struct wpa_ssid *ssid;
5519         u8 *_peer = NULL, peer[ETH_ALEN];
5520         int freq = 0, pref_freq = 0;
5521         int ht40, vht;
5522
5523         id = atoi(cmd);
5524         pos = os_strstr(cmd, " peer=");
5525         if (pos) {
5526                 pos += 6;
5527                 if (hwaddr_aton(pos, peer))
5528                         return -1;
5529                 _peer = peer;
5530         }
5531         ssid = wpa_config_get_network(wpa_s->conf, id);
5532         if (ssid == NULL || ssid->disabled != 2) {
5533                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5534                            "for persistent P2P group",
5535                            id);
5536                 return -1;
5537         }
5538
5539         pos = os_strstr(cmd, " freq=");
5540         if (pos) {
5541                 pos += 6;
5542                 freq = atoi(pos);
5543                 if (freq <= 0)
5544                         return -1;
5545         }
5546
5547         pos = os_strstr(cmd, " pref=");
5548         if (pos) {
5549                 pos += 6;
5550                 pref_freq = atoi(pos);
5551                 if (pref_freq <= 0)
5552                         return -1;
5553         }
5554
5555         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5556         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5557                 vht;
5558
5559         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
5560                                pref_freq);
5561 }
5562
5563
5564 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
5565 {
5566         char *pos;
5567         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
5568
5569         pos = os_strstr(cmd, " peer=");
5570         if (!pos)
5571                 return -1;
5572
5573         *pos = '\0';
5574         pos += 6;
5575         if (hwaddr_aton(pos, peer)) {
5576                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
5577                 return -1;
5578         }
5579
5580         pos = os_strstr(pos, " go_dev_addr=");
5581         if (pos) {
5582                 pos += 13;
5583                 if (hwaddr_aton(pos, go_dev_addr)) {
5584                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
5585                                    pos);
5586                         return -1;
5587                 }
5588                 go_dev = go_dev_addr;
5589         }
5590
5591         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
5592 }
5593
5594
5595 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
5596 {
5597         if (os_strncmp(cmd, "persistent=", 11) == 0)
5598                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
5599         if (os_strncmp(cmd, "group=", 6) == 0)
5600                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
5601
5602         return -1;
5603 }
5604
5605
5606 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
5607                                          int id, int freq, int ht40, int vht)
5608 {
5609         struct wpa_ssid *ssid;
5610
5611         ssid = wpa_config_get_network(wpa_s->conf, id);
5612         if (ssid == NULL || ssid->disabled != 2) {
5613                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5614                            "for persistent P2P group",
5615                            id);
5616                 return -1;
5617         }
5618
5619         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
5620                                              NULL, 0, 0);
5621 }
5622
5623
5624 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
5625 {
5626         int freq = 0, persistent = 0, group_id = -1;
5627         int vht = wpa_s->conf->p2p_go_vht;
5628         int ht40 = wpa_s->conf->p2p_go_ht40 || vht;
5629         char *token, *context = NULL;
5630
5631         while ((token = str_token(cmd, " ", &context))) {
5632                 if (sscanf(token, "freq=%d", &freq) == 1 ||
5633                     sscanf(token, "persistent=%d", &group_id) == 1) {
5634                         continue;
5635                 } else if (os_strcmp(token, "ht40") == 0) {
5636                         ht40 = 1;
5637                 } else if (os_strcmp(token, "vht") == 0) {
5638                         vht = 1;
5639                         ht40 = 1;
5640                 } else if (os_strcmp(token, "persistent") == 0) {
5641                         persistent = 1;
5642                 } else {
5643                         wpa_printf(MSG_DEBUG,
5644                                    "CTRL: Invalid P2P_GROUP_ADD parameter: '%s'",
5645                                    token);
5646                         return -1;
5647                 }
5648         }
5649
5650         if (group_id >= 0)
5651                 return p2p_ctrl_group_add_persistent(wpa_s, group_id,
5652                                                      freq, ht40, vht);
5653
5654         return wpas_p2p_group_add(wpa_s, persistent, freq, ht40, vht);
5655 }
5656
5657
5658 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
5659                          char *buf, size_t buflen)
5660 {
5661         u8 addr[ETH_ALEN], *addr_ptr;
5662         int next, res;
5663         const struct p2p_peer_info *info;
5664         char *pos, *end;
5665         char devtype[WPS_DEV_TYPE_BUFSIZE];
5666         struct wpa_ssid *ssid;
5667         size_t i;
5668
5669         if (!wpa_s->global->p2p)
5670                 return -1;
5671
5672         if (os_strcmp(cmd, "FIRST") == 0) {
5673                 addr_ptr = NULL;
5674                 next = 0;
5675         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5676                 if (hwaddr_aton(cmd + 5, addr) < 0)
5677                         return -1;
5678                 addr_ptr = addr;
5679                 next = 1;
5680         } else {
5681                 if (hwaddr_aton(cmd, addr) < 0)
5682                         return -1;
5683                 addr_ptr = addr;
5684                 next = 0;
5685         }
5686
5687         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
5688         if (info == NULL)
5689                 return -1;
5690
5691         pos = buf;
5692         end = buf + buflen;
5693
5694         res = os_snprintf(pos, end - pos, MACSTR "\n"
5695                           "pri_dev_type=%s\n"
5696                           "device_name=%s\n"
5697                           "manufacturer=%s\n"
5698                           "model_name=%s\n"
5699                           "model_number=%s\n"
5700                           "serial_number=%s\n"
5701                           "config_methods=0x%x\n"
5702                           "dev_capab=0x%x\n"
5703                           "group_capab=0x%x\n"
5704                           "level=%d\n",
5705                           MAC2STR(info->p2p_device_addr),
5706                           wps_dev_type_bin2str(info->pri_dev_type,
5707                                                devtype, sizeof(devtype)),
5708                           info->device_name,
5709                           info->manufacturer,
5710                           info->model_name,
5711                           info->model_number,
5712                           info->serial_number,
5713                           info->config_methods,
5714                           info->dev_capab,
5715                           info->group_capab,
5716                           info->level);
5717         if (os_snprintf_error(end - pos, res))
5718                 return pos - buf;
5719         pos += res;
5720
5721         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
5722         {
5723                 const u8 *t;
5724                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
5725                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
5726                                   wps_dev_type_bin2str(t, devtype,
5727                                                        sizeof(devtype)));
5728                 if (os_snprintf_error(end - pos, res))
5729                         return pos - buf;
5730                 pos += res;
5731         }
5732
5733         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
5734         if (ssid) {
5735                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
5736                 if (os_snprintf_error(end - pos, res))
5737                         return pos - buf;
5738                 pos += res;
5739         }
5740
5741         res = p2p_get_peer_info_txt(info, pos, end - pos);
5742         if (res < 0)
5743                 return pos - buf;
5744         pos += res;
5745
5746         if (info->vendor_elems) {
5747                 res = os_snprintf(pos, end - pos, "vendor_elems=");
5748                 if (os_snprintf_error(end - pos, res))
5749                         return pos - buf;
5750                 pos += res;
5751
5752                 pos += wpa_snprintf_hex(pos, end - pos,
5753                                         wpabuf_head(info->vendor_elems),
5754                                         wpabuf_len(info->vendor_elems));
5755
5756                 res = os_snprintf(pos, end - pos, "\n");
5757                 if (os_snprintf_error(end - pos, res))
5758                         return pos - buf;
5759                 pos += res;
5760         }
5761
5762         return pos - buf;
5763 }
5764
5765
5766 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
5767                                   const char *param)
5768 {
5769         unsigned int i;
5770
5771         if (wpa_s->global->p2p == NULL)
5772                 return -1;
5773
5774         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
5775                 return -1;
5776
5777         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
5778                 struct wpa_freq_range *freq;
5779                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
5780                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
5781                            freq->min, freq->max);
5782         }
5783
5784         wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DISALLOW);
5785         return 0;
5786 }
5787
5788
5789 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
5790 {
5791         char *param;
5792
5793         if (wpa_s->global->p2p == NULL)
5794                 return -1;
5795
5796         param = os_strchr(cmd, ' ');
5797         if (param == NULL)
5798                 return -1;
5799         *param++ = '\0';
5800
5801         if (os_strcmp(cmd, "discoverability") == 0) {
5802                 p2p_set_client_discoverability(wpa_s->global->p2p,
5803                                                atoi(param));
5804                 return 0;
5805         }
5806
5807         if (os_strcmp(cmd, "managed") == 0) {
5808                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5809                 return 0;
5810         }
5811
5812         if (os_strcmp(cmd, "listen_channel") == 0) {
5813                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
5814                                               atoi(param), 1);
5815         }
5816
5817         if (os_strcmp(cmd, "ssid_postfix") == 0) {
5818                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
5819                                             os_strlen(param));
5820         }
5821
5822         if (os_strcmp(cmd, "noa") == 0) {
5823                 char *pos;
5824                 int count, start, duration;
5825                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
5826                 count = atoi(param);
5827                 pos = os_strchr(param, ',');
5828                 if (pos == NULL)
5829                         return -1;
5830                 pos++;
5831                 start = atoi(pos);
5832                 pos = os_strchr(pos, ',');
5833                 if (pos == NULL)
5834                         return -1;
5835                 pos++;
5836                 duration = atoi(pos);
5837                 if (count < 0 || count > 255 || start < 0 || duration < 0)
5838                         return -1;
5839                 if (count == 0 && duration > 0)
5840                         return -1;
5841                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
5842                            "start=%d duration=%d", count, start, duration);
5843                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
5844         }
5845
5846         if (os_strcmp(cmd, "ps") == 0)
5847                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
5848
5849         if (os_strcmp(cmd, "oppps") == 0)
5850                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
5851
5852         if (os_strcmp(cmd, "ctwindow") == 0)
5853                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
5854
5855         if (os_strcmp(cmd, "disabled") == 0) {
5856                 wpa_s->global->p2p_disabled = atoi(param);
5857                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
5858                            wpa_s->global->p2p_disabled ?
5859                            "disabled" : "enabled");
5860                 if (wpa_s->global->p2p_disabled) {
5861                         wpas_p2p_stop_find(wpa_s);
5862                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5863                         p2p_flush(wpa_s->global->p2p);
5864                 }
5865                 return 0;
5866         }
5867
5868         if (os_strcmp(cmd, "conc_pref") == 0) {
5869                 if (os_strcmp(param, "sta") == 0)
5870                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
5871                 else if (os_strcmp(param, "p2p") == 0)
5872                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
5873                 else {
5874                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
5875                         return -1;
5876                 }
5877                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
5878                            "%s", param);
5879                 return 0;
5880         }
5881
5882         if (os_strcmp(cmd, "force_long_sd") == 0) {
5883                 wpa_s->force_long_sd = atoi(param);
5884                 return 0;
5885         }
5886
5887         if (os_strcmp(cmd, "peer_filter") == 0) {
5888                 u8 addr[ETH_ALEN];
5889                 if (hwaddr_aton(param, addr))
5890                         return -1;
5891                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
5892                 return 0;
5893         }
5894
5895         if (os_strcmp(cmd, "cross_connect") == 0)
5896                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
5897
5898         if (os_strcmp(cmd, "go_apsd") == 0) {
5899                 if (os_strcmp(param, "disable") == 0)
5900                         wpa_s->set_ap_uapsd = 0;
5901                 else {
5902                         wpa_s->set_ap_uapsd = 1;
5903                         wpa_s->ap_uapsd = atoi(param);
5904                 }
5905                 return 0;
5906         }
5907
5908         if (os_strcmp(cmd, "client_apsd") == 0) {
5909                 if (os_strcmp(param, "disable") == 0)
5910                         wpa_s->set_sta_uapsd = 0;
5911                 else {
5912                         int be, bk, vi, vo;
5913                         char *pos;
5914                         /* format: BE,BK,VI,VO;max SP Length */
5915                         be = atoi(param);
5916                         pos = os_strchr(param, ',');
5917                         if (pos == NULL)
5918                                 return -1;
5919                         pos++;
5920                         bk = atoi(pos);
5921                         pos = os_strchr(pos, ',');
5922                         if (pos == NULL)
5923                                 return -1;
5924                         pos++;
5925                         vi = atoi(pos);
5926                         pos = os_strchr(pos, ',');
5927                         if (pos == NULL)
5928                                 return -1;
5929                         pos++;
5930                         vo = atoi(pos);
5931                         /* ignore max SP Length for now */
5932
5933                         wpa_s->set_sta_uapsd = 1;
5934                         wpa_s->sta_uapsd = 0;
5935                         if (be)
5936                                 wpa_s->sta_uapsd |= BIT(0);
5937                         if (bk)
5938                                 wpa_s->sta_uapsd |= BIT(1);
5939                         if (vi)
5940                                 wpa_s->sta_uapsd |= BIT(2);
5941                         if (vo)
5942                                 wpa_s->sta_uapsd |= BIT(3);
5943                 }
5944                 return 0;
5945         }
5946
5947         if (os_strcmp(cmd, "disallow_freq") == 0)
5948                 return p2p_ctrl_disallow_freq(wpa_s, param);
5949
5950         if (os_strcmp(cmd, "disc_int") == 0) {
5951                 int min_disc_int, max_disc_int, max_disc_tu;
5952                 char *pos;
5953
5954                 pos = param;
5955
5956                 min_disc_int = atoi(pos);
5957                 pos = os_strchr(pos, ' ');
5958                 if (pos == NULL)
5959                         return -1;
5960                 *pos++ = '\0';
5961
5962                 max_disc_int = atoi(pos);
5963                 pos = os_strchr(pos, ' ');
5964                 if (pos == NULL)
5965                         return -1;
5966                 *pos++ = '\0';
5967
5968                 max_disc_tu = atoi(pos);
5969
5970                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
5971                                         max_disc_int, max_disc_tu);
5972         }
5973
5974         if (os_strcmp(cmd, "per_sta_psk") == 0) {
5975                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
5976                 return 0;
5977         }
5978
5979 #ifdef CONFIG_WPS_NFC
5980         if (os_strcmp(cmd, "nfc_tag") == 0)
5981                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
5982 #endif /* CONFIG_WPS_NFC */
5983
5984         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
5985                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
5986                 return 0;
5987         }
5988
5989         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
5990                    cmd);
5991
5992         return -1;
5993 }
5994
5995
5996 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
5997 {
5998         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5999         wpa_s->force_long_sd = 0;
6000         wpas_p2p_stop_find(wpa_s);
6001         wpa_s->parent->p2ps_method_config_any = 0;
6002         if (wpa_s->global->p2p)
6003                 p2p_flush(wpa_s->global->p2p);
6004 }
6005
6006
6007 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
6008 {
6009         char *pos, *pos2;
6010         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
6011
6012         if (cmd[0]) {
6013                 pos = os_strchr(cmd, ' ');
6014                 if (pos == NULL)
6015                         return -1;
6016                 *pos++ = '\0';
6017                 dur1 = atoi(cmd);
6018
6019                 pos2 = os_strchr(pos, ' ');
6020                 if (pos2)
6021                         *pos2++ = '\0';
6022                 int1 = atoi(pos);
6023         } else
6024                 pos2 = NULL;
6025
6026         if (pos2) {
6027                 pos = os_strchr(pos2, ' ');
6028                 if (pos == NULL)
6029                         return -1;
6030                 *pos++ = '\0';
6031                 dur2 = atoi(pos2);
6032                 int2 = atoi(pos);
6033         }
6034
6035         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
6036 }
6037
6038
6039 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
6040 {
6041         char *pos;
6042         unsigned int period = 0, interval = 0;
6043
6044         if (cmd[0]) {
6045                 pos = os_strchr(cmd, ' ');
6046                 if (pos == NULL)
6047                         return -1;
6048                 *pos++ = '\0';
6049                 period = atoi(cmd);
6050                 interval = atoi(pos);
6051         }
6052
6053         return wpas_p2p_ext_listen(wpa_s, period, interval);
6054 }
6055
6056
6057 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
6058 {
6059         const char *pos;
6060         u8 peer[ETH_ALEN];
6061         int iface_addr = 0;
6062
6063         pos = cmd;
6064         if (os_strncmp(pos, "iface=", 6) == 0) {
6065                 iface_addr = 1;
6066                 pos += 6;
6067         }
6068         if (hwaddr_aton(pos, peer))
6069                 return -1;
6070
6071         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
6072         return 0;
6073 }
6074
6075 #endif /* CONFIG_P2P */
6076
6077
6078 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
6079 {
6080         struct wpa_freq_range_list ranges;
6081         int *freqs = NULL;
6082         struct hostapd_hw_modes *mode;
6083         u16 i;
6084
6085         if (wpa_s->hw.modes == NULL)
6086                 return NULL;
6087
6088         os_memset(&ranges, 0, sizeof(ranges));
6089         if (freq_range_list_parse(&ranges, val) < 0)
6090                 return NULL;
6091
6092         for (i = 0; i < wpa_s->hw.num_modes; i++) {
6093                 int j;
6094
6095                 mode = &wpa_s->hw.modes[i];
6096                 for (j = 0; j < mode->num_channels; j++) {
6097                         unsigned int freq;
6098
6099                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
6100                                 continue;
6101
6102                         freq = mode->channels[j].freq;
6103                         if (!freq_range_list_includes(&ranges, freq))
6104                                 continue;
6105
6106                         int_array_add_unique(&freqs, freq);
6107                 }
6108         }
6109
6110         os_free(ranges.range);
6111         return freqs;
6112 }
6113
6114
6115 #ifdef CONFIG_INTERWORKING
6116
6117 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
6118 {
6119         int auto_sel = 0;
6120         int *freqs = NULL;
6121
6122         if (param) {
6123                 char *pos;
6124
6125                 auto_sel = os_strstr(param, "auto") != NULL;
6126
6127                 pos = os_strstr(param, "freq=");
6128                 if (pos) {
6129                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
6130                         if (freqs == NULL)
6131                                 return -1;
6132                 }
6133
6134         }
6135
6136         return interworking_select(wpa_s, auto_sel, freqs);
6137 }
6138
6139
6140 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
6141                                      int only_add)
6142 {
6143         u8 bssid[ETH_ALEN];
6144         struct wpa_bss *bss;
6145
6146         if (hwaddr_aton(dst, bssid)) {
6147                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
6148                 return -1;
6149         }
6150
6151         bss = wpa_bss_get_bssid(wpa_s, bssid);
6152         if (bss == NULL) {
6153                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
6154                            MAC2STR(bssid));
6155                 return -1;
6156         }
6157
6158         if (bss->ssid_len == 0) {
6159                 int found = 0;
6160
6161                 wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
6162                            " does not have SSID information", MAC2STR(bssid));
6163
6164                 dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
6165                                          list) {
6166                         if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
6167                             bss->ssid_len > 0) {
6168                                 found = 1;
6169                                 break;
6170                         }
6171                 }
6172
6173                 if (!found)
6174                         return -1;
6175                 wpa_printf(MSG_DEBUG,
6176                            "Found another matching BSS entry with SSID");
6177         }
6178
6179         return interworking_connect(wpa_s, bss, only_add);
6180 }
6181
6182
6183 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
6184 {
6185         u8 dst_addr[ETH_ALEN];
6186         int used;
6187         char *pos;
6188 #define MAX_ANQP_INFO_ID 100
6189         u16 id[MAX_ANQP_INFO_ID];
6190         size_t num_id = 0;
6191         u32 subtypes = 0;
6192
6193         used = hwaddr_aton2(dst, dst_addr);
6194         if (used < 0)
6195                 return -1;
6196         pos = dst + used;
6197         if (*pos == ' ')
6198                 pos++;
6199         while (num_id < MAX_ANQP_INFO_ID) {
6200                 if (os_strncmp(pos, "hs20:", 5) == 0) {
6201 #ifdef CONFIG_HS20
6202                         int num = atoi(pos + 5);
6203                         if (num <= 0 || num > 31)
6204                                 return -1;
6205                         subtypes |= BIT(num);
6206 #else /* CONFIG_HS20 */
6207                         return -1;
6208 #endif /* CONFIG_HS20 */
6209                 } else {
6210                         id[num_id] = atoi(pos);
6211                         if (id[num_id])
6212                                 num_id++;
6213                 }
6214                 pos = os_strchr(pos + 1, ',');
6215                 if (pos == NULL)
6216                         break;
6217                 pos++;
6218         }
6219
6220         if (num_id == 0)
6221                 return -1;
6222
6223         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
6224 }
6225
6226
6227 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
6228 {
6229         u8 dst_addr[ETH_ALEN];
6230         struct wpabuf *advproto, *query = NULL;
6231         int used, ret = -1;
6232         char *pos, *end;
6233         size_t len;
6234
6235         used = hwaddr_aton2(cmd, dst_addr);
6236         if (used < 0)
6237                 return -1;
6238
6239         pos = cmd + used;
6240         while (*pos == ' ')
6241                 pos++;
6242
6243         /* Advertisement Protocol ID */
6244         end = os_strchr(pos, ' ');
6245         if (end)
6246                 len = end - pos;
6247         else
6248                 len = os_strlen(pos);
6249         if (len & 0x01)
6250                 return -1;
6251         len /= 2;
6252         if (len == 0)
6253                 return -1;
6254         advproto = wpabuf_alloc(len);
6255         if (advproto == NULL)
6256                 return -1;
6257         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
6258                 goto fail;
6259
6260         if (end) {
6261                 /* Optional Query Request */
6262                 pos = end + 1;
6263                 while (*pos == ' ')
6264                         pos++;
6265
6266                 len = os_strlen(pos);
6267                 if (len) {
6268                         if (len & 0x01)
6269                                 goto fail;
6270                         len /= 2;
6271                         if (len == 0)
6272                                 goto fail;
6273                         query = wpabuf_alloc(len);
6274                         if (query == NULL)
6275                                 goto fail;
6276                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
6277                                 goto fail;
6278                 }
6279         }
6280
6281         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
6282
6283 fail:
6284         wpabuf_free(advproto);
6285         wpabuf_free(query);
6286
6287         return ret;
6288 }
6289
6290
6291 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
6292                             size_t buflen)
6293 {
6294         u8 addr[ETH_ALEN];
6295         int dialog_token;
6296         int used;
6297         char *pos;
6298         size_t resp_len, start, requested_len;
6299         struct wpabuf *resp;
6300         int ret;
6301
6302         used = hwaddr_aton2(cmd, addr);
6303         if (used < 0)
6304                 return -1;
6305
6306         pos = cmd + used;
6307         while (*pos == ' ')
6308                 pos++;
6309         dialog_token = atoi(pos);
6310
6311         if (wpa_s->last_gas_resp &&
6312             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
6313             dialog_token == wpa_s->last_gas_dialog_token)
6314                 resp = wpa_s->last_gas_resp;
6315         else if (wpa_s->prev_gas_resp &&
6316                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
6317                  dialog_token == wpa_s->prev_gas_dialog_token)
6318                 resp = wpa_s->prev_gas_resp;
6319         else
6320                 return -1;
6321
6322         resp_len = wpabuf_len(resp);
6323         start = 0;
6324         requested_len = resp_len;
6325
6326         pos = os_strchr(pos, ' ');
6327         if (pos) {
6328                 start = atoi(pos);
6329                 if (start > resp_len)
6330                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6331                 pos = os_strchr(pos, ',');
6332                 if (pos == NULL)
6333                         return -1;
6334                 pos++;
6335                 requested_len = atoi(pos);
6336                 if (start + requested_len > resp_len)
6337                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6338         }
6339
6340         if (requested_len * 2 + 1 > buflen)
6341                 return os_snprintf(buf, buflen, "FAIL-Too long response");
6342
6343         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
6344                                requested_len);
6345
6346         if (start + requested_len == resp_len) {
6347                 /*
6348                  * Free memory by dropping the response after it has been
6349                  * fetched.
6350                  */
6351                 if (resp == wpa_s->prev_gas_resp) {
6352                         wpabuf_free(wpa_s->prev_gas_resp);
6353                         wpa_s->prev_gas_resp = NULL;
6354                 } else {
6355                         wpabuf_free(wpa_s->last_gas_resp);
6356                         wpa_s->last_gas_resp = NULL;
6357                 }
6358         }
6359
6360         return ret;
6361 }
6362 #endif /* CONFIG_INTERWORKING */
6363
6364
6365 #ifdef CONFIG_HS20
6366
6367 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
6368 {
6369         u8 dst_addr[ETH_ALEN];
6370         int used;
6371         char *pos;
6372         u32 subtypes = 0;
6373
6374         used = hwaddr_aton2(dst, dst_addr);
6375         if (used < 0)
6376                 return -1;
6377         pos = dst + used;
6378         if (*pos == ' ')
6379                 pos++;
6380         for (;;) {
6381                 int num = atoi(pos);
6382                 if (num <= 0 || num > 31)
6383                         return -1;
6384                 subtypes |= BIT(num);
6385                 pos = os_strchr(pos + 1, ',');
6386                 if (pos == NULL)
6387                         break;
6388                 pos++;
6389         }
6390
6391         if (subtypes == 0)
6392                 return -1;
6393
6394         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
6395 }
6396
6397
6398 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6399                                     const u8 *addr, const char *realm)
6400 {
6401         u8 *buf;
6402         size_t rlen, len;
6403         int ret;
6404
6405         rlen = os_strlen(realm);
6406         len = 3 + rlen;
6407         buf = os_malloc(len);
6408         if (buf == NULL)
6409                 return -1;
6410         buf[0] = 1; /* NAI Home Realm Count */
6411         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
6412         buf[2] = rlen;
6413         os_memcpy(buf + 3, realm, rlen);
6414
6415         ret = hs20_anqp_send_req(wpa_s, addr,
6416                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6417                                  buf, len);
6418
6419         os_free(buf);
6420
6421         return ret;
6422 }
6423
6424
6425 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6426                                         char *dst)
6427 {
6428         struct wpa_cred *cred = wpa_s->conf->cred;
6429         u8 dst_addr[ETH_ALEN];
6430         int used;
6431         u8 *buf;
6432         size_t len;
6433         int ret;
6434
6435         used = hwaddr_aton2(dst, dst_addr);
6436         if (used < 0)
6437                 return -1;
6438
6439         while (dst[used] == ' ')
6440                 used++;
6441         if (os_strncmp(dst + used, "realm=", 6) == 0)
6442                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
6443                                                 dst + used + 6);
6444
6445         len = os_strlen(dst + used);
6446
6447         if (len == 0 && cred && cred->realm)
6448                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
6449
6450         if (len & 1)
6451                 return -1;
6452         len /= 2;
6453         buf = os_malloc(len);
6454         if (buf == NULL)
6455                 return -1;
6456         if (hexstr2bin(dst + used, buf, len) < 0) {
6457                 os_free(buf);
6458                 return -1;
6459         }
6460
6461         ret = hs20_anqp_send_req(wpa_s, dst_addr,
6462                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6463                                  buf, len);
6464         os_free(buf);
6465
6466         return ret;
6467 }
6468
6469
6470 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
6471 {
6472         u8 dst_addr[ETH_ALEN];
6473         int used;
6474         char *icon;
6475
6476         used = hwaddr_aton2(cmd, dst_addr);
6477         if (used < 0)
6478                 return -1;
6479
6480         while (cmd[used] == ' ')
6481                 used++;
6482         icon = &cmd[used];
6483
6484         wpa_s->fetch_osu_icon_in_progress = 0;
6485         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
6486                                   (u8 *) icon, os_strlen(icon));
6487 }
6488
6489 #endif /* CONFIG_HS20 */
6490
6491
6492 #ifdef CONFIG_AUTOSCAN
6493
6494 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
6495                                               char *cmd)
6496 {
6497         enum wpa_states state = wpa_s->wpa_state;
6498         char *new_params = NULL;
6499
6500         if (os_strlen(cmd) > 0) {
6501                 new_params = os_strdup(cmd);
6502                 if (new_params == NULL)
6503                         return -1;
6504         }
6505
6506         os_free(wpa_s->conf->autoscan);
6507         wpa_s->conf->autoscan = new_params;
6508
6509         if (wpa_s->conf->autoscan == NULL)
6510                 autoscan_deinit(wpa_s);
6511         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
6512                 autoscan_init(wpa_s, 1);
6513         else if (state == WPA_SCANNING)
6514                 wpa_supplicant_reinit_autoscan(wpa_s);
6515
6516         return 0;
6517 }
6518
6519 #endif /* CONFIG_AUTOSCAN */
6520
6521
6522 #ifdef CONFIG_WNM
6523
6524 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
6525 {
6526         int enter;
6527         int intval = 0;
6528         char *pos;
6529         int ret;
6530         struct wpabuf *tfs_req = NULL;
6531
6532         if (os_strncmp(cmd, "enter", 5) == 0)
6533                 enter = 1;
6534         else if (os_strncmp(cmd, "exit", 4) == 0)
6535                 enter = 0;
6536         else
6537                 return -1;
6538
6539         pos = os_strstr(cmd, " interval=");
6540         if (pos)
6541                 intval = atoi(pos + 10);
6542
6543         pos = os_strstr(cmd, " tfs_req=");
6544         if (pos) {
6545                 char *end;
6546                 size_t len;
6547                 pos += 9;
6548                 end = os_strchr(pos, ' ');
6549                 if (end)
6550                         len = end - pos;
6551                 else
6552                         len = os_strlen(pos);
6553                 if (len & 1)
6554                         return -1;
6555                 len /= 2;
6556                 tfs_req = wpabuf_alloc(len);
6557                 if (tfs_req == NULL)
6558                         return -1;
6559                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
6560                         wpabuf_free(tfs_req);
6561                         return -1;
6562                 }
6563         }
6564
6565         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
6566                                            WNM_SLEEP_MODE_EXIT, intval,
6567                                            tfs_req);
6568         wpabuf_free(tfs_req);
6569
6570         return ret;
6571 }
6572
6573
6574 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
6575 {
6576         int query_reason;
6577
6578         query_reason = atoi(cmd);
6579
6580         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
6581                    query_reason);
6582
6583         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
6584 }
6585
6586 #endif /* CONFIG_WNM */
6587
6588
6589 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
6590                                       size_t buflen)
6591 {
6592         struct wpa_signal_info si;
6593         int ret;
6594         char *pos, *end;
6595
6596         ret = wpa_drv_signal_poll(wpa_s, &si);
6597         if (ret)
6598                 return -1;
6599
6600         pos = buf;
6601         end = buf + buflen;
6602
6603         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
6604                           "NOISE=%d\nFREQUENCY=%u\n",
6605                           si.current_signal, si.current_txrate / 1000,
6606                           si.current_noise, si.frequency);
6607         if (os_snprintf_error(end - pos, ret))
6608                 return -1;
6609         pos += ret;
6610
6611         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
6612                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
6613                                   channel_width_to_string(si.chanwidth));
6614                 if (os_snprintf_error(end - pos, ret))
6615                         return -1;
6616                 pos += ret;
6617         }
6618
6619         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
6620                 ret = os_snprintf(pos, end - pos,
6621                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
6622                                   si.center_frq1, si.center_frq2);
6623                 if (os_snprintf_error(end - pos, ret))
6624                         return -1;
6625                 pos += ret;
6626         }
6627
6628         if (si.avg_signal) {
6629                 ret = os_snprintf(pos, end - pos,
6630                                   "AVG_RSSI=%d\n", si.avg_signal);
6631                 if (os_snprintf_error(end - pos, ret))
6632                         return -1;
6633                 pos += ret;
6634         }
6635
6636         if (si.avg_beacon_signal) {
6637                 ret = os_snprintf(pos, end - pos,
6638                                   "AVG_BEACON_RSSI=%d\n", si.avg_beacon_signal);
6639                 if (os_snprintf_error(end - pos, ret))
6640                         return -1;
6641                 pos += ret;
6642         }
6643
6644         return pos - buf;
6645 }
6646
6647
6648 static int wpas_ctrl_iface_get_pref_freq_list(
6649         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
6650 {
6651         unsigned int freq_list[100], num = 100, i;
6652         int ret;
6653         enum wpa_driver_if_type iface_type;
6654         char *pos, *end;
6655
6656         pos = buf;
6657         end = buf + buflen;
6658
6659         /* buf: "<interface_type>" */
6660         if (os_strcmp(cmd, "STATION") == 0)
6661                 iface_type = WPA_IF_STATION;
6662         else if (os_strcmp(cmd, "AP") == 0)
6663                 iface_type = WPA_IF_AP_BSS;
6664         else if (os_strcmp(cmd, "P2P_GO") == 0)
6665                 iface_type = WPA_IF_P2P_GO;
6666         else if (os_strcmp(cmd, "P2P_CLIENT") == 0)
6667                 iface_type = WPA_IF_P2P_CLIENT;
6668         else if (os_strcmp(cmd, "IBSS") == 0)
6669                 iface_type = WPA_IF_IBSS;
6670         else if (os_strcmp(cmd, "TDLS") == 0)
6671                 iface_type = WPA_IF_TDLS;
6672         else
6673                 return -1;
6674
6675         wpa_printf(MSG_DEBUG,
6676                    "CTRL_IFACE: GET_PREF_FREQ_LIST iface_type=%d (%s)",
6677                    iface_type, buf);
6678
6679         ret = wpa_drv_get_pref_freq_list(wpa_s, iface_type, &num, freq_list);
6680         if (ret)
6681                 return -1;
6682
6683         for (i = 0; i < num; i++) {
6684                 ret = os_snprintf(pos, end - pos, "%s%u",
6685                                   i > 0 ? "," : "", freq_list[i]);
6686                 if (os_snprintf_error(end - pos, ret))
6687                         return -1;
6688                 pos += ret;
6689         }
6690
6691         return pos - buf;
6692 }
6693
6694
6695 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
6696                                       size_t buflen)
6697 {
6698         struct hostap_sta_driver_data sta;
6699         int ret;
6700
6701         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
6702         if (ret)
6703                 return -1;
6704
6705         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
6706                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
6707         if (os_snprintf_error(buflen, ret))
6708                 return -1;
6709         return ret;
6710 }
6711
6712
6713 #ifdef ANDROID
6714 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6715                                      char *buf, size_t buflen)
6716 {
6717         int ret;
6718
6719         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
6720         if (ret == 0) {
6721                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
6722                         struct p2p_data *p2p = wpa_s->global->p2p;
6723                         if (p2p) {
6724                                 char country[3];
6725                                 country[0] = cmd[8];
6726                                 country[1] = cmd[9];
6727                                 country[2] = 0x04;
6728                                 p2p_set_country(p2p, country);
6729                         }
6730                 }
6731                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
6732                 if (os_snprintf_error(buflen, ret))
6733                         ret = -1;
6734         }
6735         return ret;
6736 }
6737 #endif /* ANDROID */
6738
6739
6740 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6741                                      char *buf, size_t buflen)
6742 {
6743         int ret;
6744         char *pos;
6745         u8 *data = NULL;
6746         unsigned int vendor_id, subcmd;
6747         struct wpabuf *reply;
6748         size_t data_len = 0;
6749
6750         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
6751         vendor_id = strtoul(cmd, &pos, 16);
6752         if (!isblank(*pos))
6753                 return -EINVAL;
6754
6755         subcmd = strtoul(pos, &pos, 10);
6756
6757         if (*pos != '\0') {
6758                 if (!isblank(*pos++))
6759                         return -EINVAL;
6760                 data_len = os_strlen(pos);
6761         }
6762
6763         if (data_len) {
6764                 data_len /= 2;
6765                 data = os_malloc(data_len);
6766                 if (!data)
6767                         return -1;
6768
6769                 if (hexstr2bin(pos, data, data_len)) {
6770                         wpa_printf(MSG_DEBUG,
6771                                    "Vendor command: wrong parameter format");
6772                         os_free(data);
6773                         return -EINVAL;
6774                 }
6775         }
6776
6777         reply = wpabuf_alloc((buflen - 1) / 2);
6778         if (!reply) {
6779                 os_free(data);
6780                 return -1;
6781         }
6782
6783         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
6784                                  reply);
6785
6786         if (ret == 0)
6787                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
6788                                        wpabuf_len(reply));
6789
6790         wpabuf_free(reply);
6791         os_free(data);
6792
6793         return ret;
6794 }
6795
6796
6797 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
6798 {
6799 #ifdef CONFIG_P2P
6800         struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
6801                 wpa_s->global->p2p_init_wpa_s : wpa_s;
6802 #endif /* CONFIG_P2P */
6803
6804         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
6805
6806 #ifdef CONFIG_P2P
6807         wpas_p2p_cancel(p2p_wpa_s);
6808         p2p_ctrl_flush(p2p_wpa_s);
6809         wpas_p2p_group_remove(p2p_wpa_s, "*");
6810         wpas_p2p_service_flush(p2p_wpa_s);
6811         p2p_wpa_s->global->p2p_disabled = 0;
6812         p2p_wpa_s->global->p2p_per_sta_psk = 0;
6813         p2p_wpa_s->conf->num_sec_device_types = 0;
6814         p2p_wpa_s->p2p_disable_ip_addr_req = 0;
6815         os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
6816         p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
6817         p2p_wpa_s->global->p2p_go_avoid_freq.num = 0;
6818         p2p_wpa_s->global->pending_p2ps_group = 0;
6819         p2p_wpa_s->global->pending_p2ps_group_freq = 0;
6820 #endif /* CONFIG_P2P */
6821
6822 #ifdef CONFIG_WPS_TESTING
6823         wps_version_number = 0x20;
6824         wps_testing_dummy_cred = 0;
6825         wps_corrupt_pkhash = 0;
6826 #endif /* CONFIG_WPS_TESTING */
6827 #ifdef CONFIG_WPS
6828         wpa_s->wps_fragment_size = 0;
6829         wpas_wps_cancel(wpa_s);
6830         wps_registrar_flush(wpa_s->wps->registrar);
6831 #endif /* CONFIG_WPS */
6832         wpa_s->after_wps = 0;
6833         wpa_s->known_wps_freq = 0;
6834
6835 #ifdef CONFIG_TDLS
6836 #ifdef CONFIG_TDLS_TESTING
6837         extern unsigned int tdls_testing;
6838         tdls_testing = 0;
6839 #endif /* CONFIG_TDLS_TESTING */
6840         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
6841         wpa_tdls_enable(wpa_s->wpa, 1);
6842 #endif /* CONFIG_TDLS */
6843
6844         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
6845         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
6846
6847         wpa_s->no_keep_alive = 0;
6848         wpa_s->own_disconnect_req = 0;
6849
6850         os_free(wpa_s->disallow_aps_bssid);
6851         wpa_s->disallow_aps_bssid = NULL;
6852         wpa_s->disallow_aps_bssid_count = 0;
6853         os_free(wpa_s->disallow_aps_ssid);
6854         wpa_s->disallow_aps_ssid = NULL;
6855         wpa_s->disallow_aps_ssid_count = 0;
6856
6857         wpa_s->set_sta_uapsd = 0;
6858         wpa_s->sta_uapsd = 0;
6859
6860         wpa_drv_radio_disable(wpa_s, 0);
6861         wpa_blacklist_clear(wpa_s);
6862         wpa_s->extra_blacklist_count = 0;
6863         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
6864         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
6865         wpa_config_flush_blobs(wpa_s->conf);
6866         wpa_s->conf->auto_interworking = 0;
6867         wpa_s->conf->okc = 0;
6868
6869         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
6870         rsn_preauth_deinit(wpa_s->wpa);
6871
6872         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
6873         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
6874         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
6875         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
6876
6877         radio_remove_works(wpa_s, NULL, 1);
6878         wpa_s->ext_work_in_progress = 0;
6879
6880         wpa_s->next_ssid = NULL;
6881
6882 #ifdef CONFIG_INTERWORKING
6883 #ifdef CONFIG_HS20
6884         hs20_cancel_fetch_osu(wpa_s);
6885 #endif /* CONFIG_HS20 */
6886 #endif /* CONFIG_INTERWORKING */
6887
6888         wpa_s->ext_mgmt_frame_handling = 0;
6889         wpa_s->ext_eapol_frame_io = 0;
6890 #ifdef CONFIG_TESTING_OPTIONS
6891         wpa_s->extra_roc_dur = 0;
6892         wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
6893         wpa_s->p2p_go_csa_on_inv = 0;
6894 #endif /* CONFIG_TESTING_OPTIONS */
6895
6896         wpa_s->disconnected = 0;
6897         os_free(wpa_s->next_scan_freqs);
6898         wpa_s->next_scan_freqs = NULL;
6899
6900         wpa_bss_flush(wpa_s);
6901         if (!dl_list_empty(&wpa_s->bss)) {
6902                 wpa_printf(MSG_DEBUG,
6903                            "BSS table not empty after flush: %u entries, current_bss=%p bssid="
6904                            MACSTR " pending_bssid=" MACSTR,
6905                            dl_list_len(&wpa_s->bss), wpa_s->current_bss,
6906                            MAC2STR(wpa_s->bssid),
6907                            MAC2STR(wpa_s->pending_bssid));
6908         }
6909
6910         eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
6911         wpa_s->wnmsleep_used = 0;
6912 }
6913
6914
6915 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
6916                                      char *buf, size_t buflen)
6917 {
6918         struct wpa_radio_work *work;
6919         char *pos, *end;
6920         struct os_reltime now, diff;
6921
6922         pos = buf;
6923         end = buf + buflen;
6924
6925         os_get_reltime(&now);
6926
6927         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6928         {
6929                 int ret;
6930
6931                 os_reltime_sub(&now, &work->time, &diff);
6932                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
6933                                   work->type, work->wpa_s->ifname, work->freq,
6934                                   work->started, diff.sec, diff.usec);
6935                 if (os_snprintf_error(end - pos, ret))
6936                         break;
6937                 pos += ret;
6938         }
6939
6940         return pos - buf;
6941 }
6942
6943
6944 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
6945 {
6946         struct wpa_radio_work *work = eloop_ctx;
6947         struct wpa_external_work *ework = work->ctx;
6948
6949         wpa_dbg(work->wpa_s, MSG_DEBUG,
6950                 "Timing out external radio work %u (%s)",
6951                 ework->id, work->type);
6952         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
6953         work->wpa_s->ext_work_in_progress = 0;
6954         radio_work_done(work);
6955         os_free(ework);
6956 }
6957
6958
6959 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
6960 {
6961         struct wpa_external_work *ework = work->ctx;
6962
6963         if (deinit) {
6964                 if (work->started)
6965                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6966                                              work, NULL);
6967
6968                 os_free(ework);
6969                 return;
6970         }
6971
6972         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
6973                 ework->id, ework->type);
6974         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
6975         work->wpa_s->ext_work_in_progress = 1;
6976         if (!ework->timeout)
6977                 ework->timeout = 10;
6978         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
6979                                work, NULL);
6980 }
6981
6982
6983 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
6984                                     char *buf, size_t buflen)
6985 {
6986         struct wpa_external_work *ework;
6987         char *pos, *pos2;
6988         size_t type_len;
6989         int ret;
6990         unsigned int freq = 0;
6991
6992         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
6993
6994         ework = os_zalloc(sizeof(*ework));
6995         if (ework == NULL)
6996                 return -1;
6997
6998         pos = os_strchr(cmd, ' ');
6999         if (pos) {
7000                 type_len = pos - cmd;
7001                 pos++;
7002
7003                 pos2 = os_strstr(pos, "freq=");
7004                 if (pos2)
7005                         freq = atoi(pos2 + 5);
7006
7007                 pos2 = os_strstr(pos, "timeout=");
7008                 if (pos2)
7009                         ework->timeout = atoi(pos2 + 8);
7010         } else {
7011                 type_len = os_strlen(cmd);
7012         }
7013         if (4 + type_len >= sizeof(ework->type))
7014                 type_len = sizeof(ework->type) - 4 - 1;
7015         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
7016         os_memcpy(ework->type + 4, cmd, type_len);
7017         ework->type[4 + type_len] = '\0';
7018
7019         wpa_s->ext_work_id++;
7020         if (wpa_s->ext_work_id == 0)
7021                 wpa_s->ext_work_id++;
7022         ework->id = wpa_s->ext_work_id;
7023
7024         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
7025                            ework) < 0) {
7026                 os_free(ework);
7027                 return -1;
7028         }
7029
7030         ret = os_snprintf(buf, buflen, "%u", ework->id);
7031         if (os_snprintf_error(buflen, ret))
7032                 return -1;
7033         return ret;
7034 }
7035
7036
7037 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
7038 {
7039         struct wpa_radio_work *work;
7040         unsigned int id = atoi(cmd);
7041
7042         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
7043         {
7044                 struct wpa_external_work *ework;
7045
7046                 if (os_strncmp(work->type, "ext:", 4) != 0)
7047                         continue;
7048                 ework = work->ctx;
7049                 if (id && ework->id != id)
7050                         continue;
7051                 wpa_dbg(wpa_s, MSG_DEBUG,
7052                         "Completed external radio work %u (%s)",
7053                         ework->id, ework->type);
7054                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
7055                 wpa_s->ext_work_in_progress = 0;
7056                 radio_work_done(work);
7057                 os_free(ework);
7058                 return 3; /* "OK\n" */
7059         }
7060
7061         return -1;
7062 }
7063
7064
7065 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
7066                                 char *buf, size_t buflen)
7067 {
7068         if (os_strcmp(cmd, "show") == 0)
7069                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
7070         if (os_strncmp(cmd, "add ", 4) == 0)
7071                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
7072         if (os_strncmp(cmd, "done ", 5) == 0)
7073                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
7074         return -1;
7075 }
7076
7077
7078 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
7079 {
7080         struct wpa_radio_work *work, *tmp;
7081
7082         if (!wpa_s || !wpa_s->radio)
7083                 return;
7084
7085         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
7086                               struct wpa_radio_work, list) {
7087                 struct wpa_external_work *ework;
7088
7089                 if (os_strncmp(work->type, "ext:", 4) != 0)
7090                         continue;
7091                 ework = work->ctx;
7092                 wpa_dbg(wpa_s, MSG_DEBUG,
7093                         "Flushing%s external radio work %u (%s)",
7094                         work->started ? " started" : "", ework->id,
7095                         ework->type);
7096                 if (work->started)
7097                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
7098                                              work, NULL);
7099                 radio_work_done(work);
7100                 os_free(ework);
7101         }
7102 }
7103
7104
7105 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
7106 {
7107         struct wpa_supplicant *wpa_s = eloop_ctx;
7108         eapol_sm_notify_ctrl_response(wpa_s->eapol);
7109 }
7110
7111
7112 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
7113                               unsigned int *scan_id_count, int scan_id[])
7114 {
7115         const char *pos = value;
7116
7117         while (pos) {
7118                 if (*pos == ' ' || *pos == '\0')
7119                         break;
7120                 if (*scan_id_count == MAX_SCAN_ID)
7121                         return -1;
7122                 scan_id[(*scan_id_count)++] = atoi(pos);
7123                 pos = os_strchr(pos, ',');
7124                 if (pos)
7125                         pos++;
7126         }
7127
7128         return 0;
7129 }
7130
7131
7132 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
7133                            char *reply, int reply_size, int *reply_len)
7134 {
7135         char *pos;
7136         unsigned int manual_scan_passive = 0;
7137         unsigned int manual_scan_use_id = 0;
7138         unsigned int manual_scan_only_new = 0;
7139         unsigned int scan_only = 0;
7140         unsigned int scan_id_count = 0;
7141         int scan_id[MAX_SCAN_ID];
7142         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
7143                                  struct wpa_scan_results *scan_res);
7144         int *manual_scan_freqs = NULL;
7145         struct wpa_ssid_value *ssid = NULL, *ns;
7146         unsigned int ssid_count = 0;
7147
7148         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
7149                 *reply_len = -1;
7150                 return;
7151         }
7152
7153         if (radio_work_pending(wpa_s, "scan")) {
7154                 wpa_printf(MSG_DEBUG,
7155                            "Pending scan scheduled - reject new request");
7156                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7157                 return;
7158         }
7159
7160 #ifdef CONFIG_INTERWORKING
7161         if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) {
7162                 wpa_printf(MSG_DEBUG,
7163                            "Interworking select in progress - reject new scan");
7164                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7165                 return;
7166         }
7167 #endif /* CONFIG_INTERWORKING */
7168
7169         if (params) {
7170                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
7171                         scan_only = 1;
7172
7173                 pos = os_strstr(params, "freq=");
7174                 if (pos) {
7175                         manual_scan_freqs = freq_range_to_channel_list(wpa_s,
7176                                                                        pos + 5);
7177                         if (manual_scan_freqs == NULL) {
7178                                 *reply_len = -1;
7179                                 goto done;
7180                         }
7181                 }
7182
7183                 pos = os_strstr(params, "passive=");
7184                 if (pos)
7185                         manual_scan_passive = !!atoi(pos + 8);
7186
7187                 pos = os_strstr(params, "use_id=");
7188                 if (pos)
7189                         manual_scan_use_id = atoi(pos + 7);
7190
7191                 pos = os_strstr(params, "only_new=1");
7192                 if (pos)
7193                         manual_scan_only_new = 1;
7194
7195                 pos = os_strstr(params, "scan_id=");
7196                 if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
7197                                               scan_id) < 0) {
7198                         *reply_len = -1;
7199                         goto done;
7200                 }
7201
7202                 pos = params;
7203                 while (pos && *pos != '\0') {
7204                         if (os_strncmp(pos, "ssid ", 5) == 0) {
7205                                 char *end;
7206
7207                                 pos += 5;
7208                                 end = pos;
7209                                 while (*end) {
7210                                         if (*end == '\0' || *end == ' ')
7211                                                 break;
7212                                         end++;
7213                                 }
7214
7215                                 ns = os_realloc_array(
7216                                         ssid, ssid_count + 1,
7217                                         sizeof(struct wpa_ssid_value));
7218                                 if (ns == NULL) {
7219                                         *reply_len = -1;
7220                                         goto done;
7221                                 }
7222                                 ssid = ns;
7223
7224                                 if ((end - pos) & 0x01 ||
7225                                     end - pos > 2 * SSID_MAX_LEN ||
7226                                     hexstr2bin(pos, ssid[ssid_count].ssid,
7227                                                (end - pos) / 2) < 0) {
7228                                         wpa_printf(MSG_DEBUG,
7229                                                    "Invalid SSID value '%s'",
7230                                                    pos);
7231                                         *reply_len = -1;
7232                                         goto done;
7233                                 }
7234                                 ssid[ssid_count].ssid_len = (end - pos) / 2;
7235                                 wpa_hexdump_ascii(MSG_DEBUG, "scan SSID",
7236                                                   ssid[ssid_count].ssid,
7237                                                   ssid[ssid_count].ssid_len);
7238                                 ssid_count++;
7239                                 pos = end;
7240                         }
7241
7242                         pos = os_strchr(pos, ' ');
7243                         if (pos)
7244                                 pos++;
7245                 }
7246         }
7247
7248         wpa_s->num_ssids_from_scan_req = ssid_count;
7249         os_free(wpa_s->ssids_from_scan_req);
7250         if (ssid_count) {
7251                 wpa_s->ssids_from_scan_req = ssid;
7252                 ssid = NULL;
7253         } else {
7254                 wpa_s->ssids_from_scan_req = NULL;
7255         }
7256
7257         if (scan_only)
7258                 scan_res_handler = scan_only_handler;
7259         else if (wpa_s->scan_res_handler == scan_only_handler)
7260                 scan_res_handler = NULL;
7261         else
7262                 scan_res_handler = wpa_s->scan_res_handler;
7263
7264         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
7265             ((wpa_s->wpa_state <= WPA_SCANNING) ||
7266              (wpa_s->wpa_state == WPA_COMPLETED))) {
7267                 wpa_s->manual_scan_passive = manual_scan_passive;
7268                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7269                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7270                 wpa_s->scan_id_count = scan_id_count;
7271                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7272                 wpa_s->scan_res_handler = scan_res_handler;
7273                 os_free(wpa_s->manual_scan_freqs);
7274                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7275                 manual_scan_freqs = NULL;
7276
7277                 wpa_s->normal_scans = 0;
7278                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7279                 wpa_s->after_wps = 0;
7280                 wpa_s->known_wps_freq = 0;
7281                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7282                 if (wpa_s->manual_scan_use_id) {
7283                         wpa_s->manual_scan_id++;
7284                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7285                                 wpa_s->manual_scan_id);
7286                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7287                                                  wpa_s->manual_scan_id);
7288                 }
7289         } else if (wpa_s->sched_scanning) {
7290                 wpa_s->manual_scan_passive = manual_scan_passive;
7291                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7292                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7293                 wpa_s->scan_id_count = scan_id_count;
7294                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7295                 wpa_s->scan_res_handler = scan_res_handler;
7296                 os_free(wpa_s->manual_scan_freqs);
7297                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7298                 manual_scan_freqs = NULL;
7299
7300                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
7301                 wpa_supplicant_cancel_sched_scan(wpa_s);
7302                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7303                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7304                 if (wpa_s->manual_scan_use_id) {
7305                         wpa_s->manual_scan_id++;
7306                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7307                                                  wpa_s->manual_scan_id);
7308                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7309                                 wpa_s->manual_scan_id);
7310                 }
7311         } else {
7312                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
7313                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7314         }
7315
7316 done:
7317         os_free(manual_scan_freqs);
7318         os_free(ssid);
7319 }
7320
7321
7322 #ifdef CONFIG_TESTING_OPTIONS
7323
7324 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
7325                                        unsigned int freq, const u8 *dst,
7326                                        const u8 *src, const u8 *bssid,
7327                                        const u8 *data, size_t data_len,
7328                                        enum offchannel_send_action_result
7329                                        result)
7330 {
7331         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
7332                 " src=" MACSTR " bssid=" MACSTR " result=%s",
7333                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
7334                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
7335                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
7336                              "NO_ACK" : "FAILED"));
7337 }
7338
7339
7340 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
7341 {
7342         char *pos, *param;
7343         size_t len;
7344         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
7345         int res, used;
7346         int freq = 0, no_cck = 0, wait_time = 0;
7347
7348         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
7349          *    <action=Action frame payload> */
7350
7351         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
7352
7353         pos = cmd;
7354         used = hwaddr_aton2(pos, da);
7355         if (used < 0)
7356                 return -1;
7357         pos += used;
7358         while (*pos == ' ')
7359                 pos++;
7360         used = hwaddr_aton2(pos, bssid);
7361         if (used < 0)
7362                 return -1;
7363         pos += used;
7364
7365         param = os_strstr(pos, " freq=");
7366         if (param) {
7367                 param += 6;
7368                 freq = atoi(param);
7369         }
7370
7371         param = os_strstr(pos, " no_cck=");
7372         if (param) {
7373                 param += 8;
7374                 no_cck = atoi(param);
7375         }
7376
7377         param = os_strstr(pos, " wait_time=");
7378         if (param) {
7379                 param += 11;
7380                 wait_time = atoi(param);
7381         }
7382
7383         param = os_strstr(pos, " action=");
7384         if (param == NULL)
7385                 return -1;
7386         param += 8;
7387
7388         len = os_strlen(param);
7389         if (len & 1)
7390                 return -1;
7391         len /= 2;
7392
7393         buf = os_malloc(len);
7394         if (buf == NULL)
7395                 return -1;
7396
7397         if (hexstr2bin(param, buf, len) < 0) {
7398                 os_free(buf);
7399                 return -1;
7400         }
7401
7402         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
7403                                      buf, len, wait_time,
7404                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
7405         os_free(buf);
7406         return res;
7407 }
7408
7409
7410 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
7411 {
7412         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
7413         offchannel_send_action_done(wpa_s);
7414 }
7415
7416
7417 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
7418 {
7419         char *pos, *param;
7420         union wpa_event_data event;
7421         enum wpa_event_type ev;
7422
7423         /* <event name> [parameters..] */
7424
7425         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
7426
7427         pos = cmd;
7428         param = os_strchr(pos, ' ');
7429         if (param)
7430                 *param++ = '\0';
7431
7432         os_memset(&event, 0, sizeof(event));
7433
7434         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
7435                 ev = EVENT_INTERFACE_ENABLED;
7436         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
7437                 ev = EVENT_INTERFACE_DISABLED;
7438         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
7439                 ev = EVENT_AVOID_FREQUENCIES;
7440                 if (param == NULL)
7441                         param = "";
7442                 if (freq_range_list_parse(&event.freq_range, param) < 0)
7443                         return -1;
7444                 wpa_supplicant_event(wpa_s, ev, &event);
7445                 os_free(event.freq_range.range);
7446                 return 0;
7447         } else {
7448                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
7449                         cmd);
7450                 return -1;
7451         }
7452
7453         wpa_supplicant_event(wpa_s, ev, &event);
7454
7455         return 0;
7456 }
7457
7458
7459 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
7460 {
7461         char *pos;
7462         u8 src[ETH_ALEN], *buf;
7463         int used;
7464         size_t len;
7465
7466         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
7467
7468         pos = cmd;
7469         used = hwaddr_aton2(pos, src);
7470         if (used < 0)
7471                 return -1;
7472         pos += used;
7473         while (*pos == ' ')
7474                 pos++;
7475
7476         len = os_strlen(pos);
7477         if (len & 1)
7478                 return -1;
7479         len /= 2;
7480
7481         buf = os_malloc(len);
7482         if (buf == NULL)
7483                 return -1;
7484
7485         if (hexstr2bin(pos, buf, len) < 0) {
7486                 os_free(buf);
7487                 return -1;
7488         }
7489
7490         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
7491         os_free(buf);
7492
7493         return 0;
7494 }
7495
7496
7497 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
7498 {
7499         size_t i;
7500         u32 sum = 0;
7501         const u16 *pos = buf;
7502
7503         for (i = 0; i < len / 2; i++)
7504                 sum += *pos++;
7505
7506         while (sum >> 16)
7507                 sum = (sum & 0xffff) + (sum >> 16);
7508
7509         return sum ^ 0xffff;
7510 }
7511
7512
7513 #define HWSIM_PACKETLEN 1500
7514 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
7515
7516 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
7517 {
7518         struct wpa_supplicant *wpa_s = ctx;
7519         const struct ether_header *eth;
7520         struct iphdr ip;
7521         const u8 *pos;
7522         unsigned int i;
7523
7524         if (len != HWSIM_PACKETLEN)
7525                 return;
7526
7527         eth = (const struct ether_header *) buf;
7528         os_memcpy(&ip, eth + 1, sizeof(ip));
7529         pos = &buf[sizeof(*eth) + sizeof(ip)];
7530
7531         if (ip.ihl != 5 || ip.version != 4 ||
7532             ntohs(ip.tot_len) != HWSIM_IP_LEN)
7533                 return;
7534
7535         for (i = 0; i < HWSIM_IP_LEN - sizeof(ip); i++) {
7536                 if (*pos != (u8) i)
7537                         return;
7538                 pos++;
7539         }
7540
7541         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
7542                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
7543 }
7544
7545
7546 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
7547                                             char *cmd)
7548 {
7549         int enabled = atoi(cmd);
7550
7551         if (!enabled) {
7552                 if (wpa_s->l2_test) {
7553                         l2_packet_deinit(wpa_s->l2_test);
7554                         wpa_s->l2_test = NULL;
7555                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
7556                 }
7557                 return 0;
7558         }
7559
7560         if (wpa_s->l2_test)
7561                 return 0;
7562
7563         wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
7564                                         ETHERTYPE_IP, wpas_data_test_rx,
7565                                         wpa_s, 1);
7566         if (wpa_s->l2_test == NULL)
7567                 return -1;
7568
7569         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
7570
7571         return 0;
7572 }
7573
7574
7575 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
7576 {
7577         u8 dst[ETH_ALEN], src[ETH_ALEN];
7578         char *pos;
7579         int used;
7580         long int val;
7581         u8 tos;
7582         u8 buf[2 + HWSIM_PACKETLEN];
7583         struct ether_header *eth;
7584         struct iphdr *ip;
7585         u8 *dpos;
7586         unsigned int i;
7587
7588         if (wpa_s->l2_test == NULL)
7589                 return -1;
7590
7591         /* format: <dst> <src> <tos> */
7592
7593         pos = cmd;
7594         used = hwaddr_aton2(pos, dst);
7595         if (used < 0)
7596                 return -1;
7597         pos += used;
7598         while (*pos == ' ')
7599                 pos++;
7600         used = hwaddr_aton2(pos, src);
7601         if (used < 0)
7602                 return -1;
7603         pos += used;
7604
7605         val = strtol(pos, NULL, 0);
7606         if (val < 0 || val > 0xff)
7607                 return -1;
7608         tos = val;
7609
7610         eth = (struct ether_header *) &buf[2];
7611         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
7612         os_memcpy(eth->ether_shost, src, ETH_ALEN);
7613         eth->ether_type = htons(ETHERTYPE_IP);
7614         ip = (struct iphdr *) (eth + 1);
7615         os_memset(ip, 0, sizeof(*ip));
7616         ip->ihl = 5;
7617         ip->version = 4;
7618         ip->ttl = 64;
7619         ip->tos = tos;
7620         ip->tot_len = htons(HWSIM_IP_LEN);
7621         ip->protocol = 1;
7622         ip->saddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 1);
7623         ip->daddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 2);
7624         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
7625         dpos = (u8 *) (ip + 1);
7626         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
7627                 *dpos++ = i;
7628
7629         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, &buf[2],
7630                            HWSIM_PACKETLEN) < 0)
7631                 return -1;
7632
7633         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
7634                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
7635
7636         return 0;
7637 }
7638
7639
7640 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
7641                                            char *cmd)
7642 {
7643         u8 *buf;
7644         struct ether_header *eth;
7645         struct l2_packet_data *l2 = NULL;
7646         size_t len;
7647         u16 ethertype;
7648         int res = -1;
7649
7650         len = os_strlen(cmd);
7651         if (len & 1 || len < ETH_HLEN * 2)
7652                 return -1;
7653         len /= 2;
7654
7655         buf = os_malloc(len);
7656         if (buf == NULL)
7657                 return -1;
7658
7659         if (hexstr2bin(cmd, buf, len) < 0)
7660                 goto done;
7661
7662         eth = (struct ether_header *) buf;
7663         ethertype = ntohs(eth->ether_type);
7664
7665         l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
7666                             wpas_data_test_rx, wpa_s, 1);
7667         if (l2 == NULL)
7668                 goto done;
7669
7670         res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
7671         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
7672 done:
7673         if (l2)
7674                 l2_packet_deinit(l2);
7675         os_free(buf);
7676
7677         return res < 0 ? -1 : 0;
7678 }
7679
7680
7681 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
7682 {
7683 #ifdef WPA_TRACE_BFD
7684         extern char wpa_trace_fail_func[256];
7685         extern unsigned int wpa_trace_fail_after;
7686         char *pos;
7687
7688         wpa_trace_fail_after = atoi(cmd);
7689         pos = os_strchr(cmd, ':');
7690         if (pos) {
7691                 pos++;
7692                 os_strlcpy(wpa_trace_fail_func, pos,
7693                            sizeof(wpa_trace_fail_func));
7694         } else {
7695                 wpa_trace_fail_after = 0;
7696         }
7697         return 0;
7698 #else /* WPA_TRACE_BFD */
7699         return -1;
7700 #endif /* WPA_TRACE_BFD */
7701 }
7702
7703
7704 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
7705                                     char *buf, size_t buflen)
7706 {
7707 #ifdef WPA_TRACE_BFD
7708         extern char wpa_trace_fail_func[256];
7709         extern unsigned int wpa_trace_fail_after;
7710
7711         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
7712                            wpa_trace_fail_func);
7713 #else /* WPA_TRACE_BFD */
7714         return -1;
7715 #endif /* WPA_TRACE_BFD */
7716 }
7717
7718
7719 static int wpas_ctrl_test_fail(struct wpa_supplicant *wpa_s, char *cmd)
7720 {
7721 #ifdef WPA_TRACE_BFD
7722         extern char wpa_trace_test_fail_func[256];
7723         extern unsigned int wpa_trace_test_fail_after;
7724         char *pos;
7725
7726         wpa_trace_test_fail_after = atoi(cmd);
7727         pos = os_strchr(cmd, ':');
7728         if (pos) {
7729                 pos++;
7730                 os_strlcpy(wpa_trace_test_fail_func, pos,
7731                            sizeof(wpa_trace_test_fail_func));
7732         } else {
7733                 wpa_trace_test_fail_after = 0;
7734         }
7735         return 0;
7736 #else /* WPA_TRACE_BFD */
7737         return -1;
7738 #endif /* WPA_TRACE_BFD */
7739 }
7740
7741
7742 static int wpas_ctrl_get_fail(struct wpa_supplicant *wpa_s,
7743                                     char *buf, size_t buflen)
7744 {
7745 #ifdef WPA_TRACE_BFD
7746         extern char wpa_trace_test_fail_func[256];
7747         extern unsigned int wpa_trace_test_fail_after;
7748
7749         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_test_fail_after,
7750                            wpa_trace_test_fail_func);
7751 #else /* WPA_TRACE_BFD */
7752         return -1;
7753 #endif /* WPA_TRACE_BFD */
7754 }
7755
7756
7757 static void wpas_ctrl_event_test_cb(void *eloop_ctx, void *timeout_ctx)
7758 {
7759         struct wpa_supplicant *wpa_s = eloop_ctx;
7760         int i, count = (intptr_t) timeout_ctx;
7761
7762         wpa_printf(MSG_DEBUG, "TEST: Send %d control interface event messages",
7763                    count);
7764         for (i = 0; i < count; i++) {
7765                 wpa_msg_ctrl(wpa_s, MSG_INFO, "TEST-EVENT-MESSAGE %d/%d",
7766                              i + 1, count);
7767         }
7768 }
7769
7770
7771 static int wpas_ctrl_event_test(struct wpa_supplicant *wpa_s, const char *cmd)
7772 {
7773         int count;
7774
7775         count = atoi(cmd);
7776         if (count <= 0)
7777                 return -1;
7778
7779         return eloop_register_timeout(0, 0, wpas_ctrl_event_test_cb, wpa_s,
7780                                       (void *) (intptr_t) count);
7781 }
7782
7783 #endif /* CONFIG_TESTING_OPTIONS */
7784
7785
7786 static void wpas_ctrl_vendor_elem_update(struct wpa_supplicant *wpa_s)
7787 {
7788         unsigned int i;
7789         char buf[30];
7790
7791         wpa_printf(MSG_DEBUG, "Update vendor elements");
7792
7793         for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
7794                 if (wpa_s->vendor_elem[i]) {
7795                         int res;
7796
7797                         res = os_snprintf(buf, sizeof(buf), "frame[%u]", i);
7798                         if (!os_snprintf_error(sizeof(buf), res)) {
7799                                 wpa_hexdump_buf(MSG_DEBUG, buf,
7800                                                 wpa_s->vendor_elem[i]);
7801                         }
7802                 }
7803         }
7804
7805 #ifdef CONFIG_P2P
7806         if (wpa_s->parent == wpa_s &&
7807             wpa_s->global->p2p &&
7808             !wpa_s->global->p2p_disabled)
7809                 p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem);
7810 #endif /* CONFIG_P2P */
7811 }
7812
7813
7814 static struct wpa_supplicant *
7815 wpas_ctrl_vendor_elem_iface(struct wpa_supplicant *wpa_s,
7816                             enum wpa_vendor_elem_frame frame)
7817 {
7818         switch (frame) {
7819 #ifdef CONFIG_P2P
7820         case VENDOR_ELEM_PROBE_REQ_P2P:
7821         case VENDOR_ELEM_PROBE_RESP_P2P:
7822         case VENDOR_ELEM_PROBE_RESP_P2P_GO:
7823         case VENDOR_ELEM_BEACON_P2P_GO:
7824         case VENDOR_ELEM_P2P_PD_REQ:
7825         case VENDOR_ELEM_P2P_PD_RESP:
7826         case VENDOR_ELEM_P2P_GO_NEG_REQ:
7827         case VENDOR_ELEM_P2P_GO_NEG_RESP:
7828         case VENDOR_ELEM_P2P_GO_NEG_CONF:
7829         case VENDOR_ELEM_P2P_INV_REQ:
7830         case VENDOR_ELEM_P2P_INV_RESP:
7831         case VENDOR_ELEM_P2P_ASSOC_REQ:
7832         case VENDOR_ELEM_P2P_ASSOC_RESP:
7833                 return wpa_s->parent;
7834 #endif /* CONFIG_P2P */
7835         default:
7836                 return wpa_s;
7837         }
7838 }
7839
7840
7841 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
7842 {
7843         char *pos = cmd;
7844         int frame;
7845         size_t len;
7846         struct wpabuf *buf;
7847         struct ieee802_11_elems elems;
7848
7849         frame = atoi(pos);
7850         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7851                 return -1;
7852         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7853
7854         pos = os_strchr(pos, ' ');
7855         if (pos == NULL)
7856                 return -1;
7857         pos++;
7858
7859         len = os_strlen(pos);
7860         if (len == 0)
7861                 return 0;
7862         if (len & 1)
7863                 return -1;
7864         len /= 2;
7865
7866         buf = wpabuf_alloc(len);
7867         if (buf == NULL)
7868                 return -1;
7869
7870         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
7871                 wpabuf_free(buf);
7872                 return -1;
7873         }
7874
7875         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
7876             ParseFailed) {
7877                 wpabuf_free(buf);
7878                 return -1;
7879         }
7880
7881         if (wpa_s->vendor_elem[frame] == NULL) {
7882                 wpa_s->vendor_elem[frame] = buf;
7883                 wpas_ctrl_vendor_elem_update(wpa_s);
7884                 return 0;
7885         }
7886
7887         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
7888                 wpabuf_free(buf);
7889                 return -1;
7890         }
7891
7892         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
7893         wpabuf_free(buf);
7894         wpas_ctrl_vendor_elem_update(wpa_s);
7895
7896         return 0;
7897 }
7898
7899
7900 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
7901                                      char *buf, size_t buflen)
7902 {
7903         int frame = atoi(cmd);
7904
7905         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7906                 return -1;
7907         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7908
7909         if (wpa_s->vendor_elem[frame] == NULL)
7910                 return 0;
7911
7912         return wpa_snprintf_hex(buf, buflen,
7913                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
7914                                 wpabuf_len(wpa_s->vendor_elem[frame]));
7915 }
7916
7917
7918 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
7919 {
7920         char *pos = cmd;
7921         int frame;
7922         size_t len;
7923         u8 *buf;
7924         struct ieee802_11_elems elems;
7925         u8 *ie, *end;
7926
7927         frame = atoi(pos);
7928         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7929                 return -1;
7930         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7931
7932         pos = os_strchr(pos, ' ');
7933         if (pos == NULL)
7934                 return -1;
7935         pos++;
7936
7937         if (*pos == '*') {
7938                 wpabuf_free(wpa_s->vendor_elem[frame]);
7939                 wpa_s->vendor_elem[frame] = NULL;
7940                 wpas_ctrl_vendor_elem_update(wpa_s);
7941                 return 0;
7942         }
7943
7944         if (wpa_s->vendor_elem[frame] == NULL)
7945                 return -1;
7946
7947         len = os_strlen(pos);
7948         if (len == 0)
7949                 return 0;
7950         if (len & 1)
7951                 return -1;
7952         len /= 2;
7953
7954         buf = os_malloc(len);
7955         if (buf == NULL)
7956                 return -1;
7957
7958         if (hexstr2bin(pos, buf, len) < 0) {
7959                 os_free(buf);
7960                 return -1;
7961         }
7962
7963         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
7964                 os_free(buf);
7965                 return -1;
7966         }
7967
7968         ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]);
7969         end = ie + wpabuf_len(wpa_s->vendor_elem[frame]);
7970
7971         for (; ie + 1 < end; ie += 2 + ie[1]) {
7972                 if (ie + len > end)
7973                         break;
7974                 if (os_memcmp(ie, buf, len) != 0)
7975                         continue;
7976
7977                 if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) {
7978                         wpabuf_free(wpa_s->vendor_elem[frame]);
7979                         wpa_s->vendor_elem[frame] = NULL;
7980                 } else {
7981                         os_memmove(ie, ie + len,
7982                                    end - (ie + len));
7983                         wpa_s->vendor_elem[frame]->used -= len;
7984                 }
7985                 os_free(buf);
7986                 wpas_ctrl_vendor_elem_update(wpa_s);
7987                 return 0;
7988         }
7989
7990         os_free(buf);
7991
7992         return -1;
7993 }
7994
7995
7996 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
7997 {
7998         struct wpa_supplicant *wpa_s = ctx;
7999
8000         if (neighbor_rep) {
8001                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
8002                              "length=%u",
8003                              (unsigned int) wpabuf_len(neighbor_rep));
8004                 wpabuf_free(neighbor_rep);
8005         } else {
8006                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
8007         }
8008 }
8009
8010
8011 static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s,
8012                                             char *cmd)
8013 {
8014         struct wpa_ssid ssid;
8015         struct wpa_ssid *ssid_p = NULL;
8016         int ret = 0;
8017
8018         if (os_strncmp(cmd, " ssid=", 6) == 0) {
8019                 ssid.ssid_len = os_strlen(cmd + 6);
8020                 if (ssid.ssid_len > SSID_MAX_LEN)
8021                         return -1;
8022                 ssid.ssid = (u8 *) (cmd + 6);
8023                 ssid_p = &ssid;
8024         }
8025
8026         ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p,
8027                                                  wpas_ctrl_neighbor_rep_cb,
8028                                                  wpa_s);
8029
8030         return ret;
8031 }
8032
8033
8034 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
8035 {
8036         eapol_sm_erp_flush(wpa_s->eapol);
8037         return 0;
8038 }
8039
8040
8041 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
8042                                          char *cmd)
8043 {
8044         char *token, *context = NULL;
8045         unsigned int enable = ~0, type = 0;
8046         u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
8047         u8 *addr = NULL, *mask = NULL;
8048
8049         while ((token = str_token(cmd, " ", &context))) {
8050                 if (os_strcasecmp(token, "scan") == 0) {
8051                         type |= MAC_ADDR_RAND_SCAN;
8052                 } else if (os_strcasecmp(token, "sched") == 0) {
8053                         type |= MAC_ADDR_RAND_SCHED_SCAN;
8054                 } else if (os_strcasecmp(token, "pno") == 0) {
8055                         type |= MAC_ADDR_RAND_PNO;
8056                 } else if (os_strcasecmp(token, "all") == 0) {
8057                         type = wpa_s->mac_addr_rand_supported;
8058                 } else if (os_strncasecmp(token, "enable=", 7) == 0) {
8059                         enable = atoi(token + 7);
8060                 } else if (os_strncasecmp(token, "addr=", 5) == 0) {
8061                         addr = _addr;
8062                         if (hwaddr_aton(token + 5, addr)) {
8063                                 wpa_printf(MSG_INFO,
8064                                            "CTRL: Invalid MAC address: %s",
8065                                            token);
8066                                 return -1;
8067                         }
8068                 } else if (os_strncasecmp(token, "mask=", 5) == 0) {
8069                         mask = _mask;
8070                         if (hwaddr_aton(token + 5, mask)) {
8071                                 wpa_printf(MSG_INFO,
8072                                            "CTRL: Invalid MAC address mask: %s",
8073                                            token);
8074                                 return -1;
8075                         }
8076                 } else {
8077                         wpa_printf(MSG_INFO,
8078                                    "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
8079                                    token);
8080                         return -1;
8081                 }
8082         }
8083
8084         if (!type) {
8085                 wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
8086                 return -1;
8087         }
8088
8089         if ((wpa_s->mac_addr_rand_supported & type) != type) {
8090                 wpa_printf(MSG_INFO,
8091                            "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
8092                            type, wpa_s->mac_addr_rand_supported);
8093                 return -1;
8094         }
8095
8096         if (enable > 1) {
8097                 wpa_printf(MSG_INFO,
8098                            "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
8099                 return -1;
8100         }
8101
8102         if (!enable) {
8103                 wpas_mac_addr_rand_scan_clear(wpa_s, type);
8104                 if (wpa_s->pno) {
8105                         if (type & MAC_ADDR_RAND_PNO) {
8106                                 wpas_stop_pno(wpa_s);
8107                                 wpas_start_pno(wpa_s);
8108                         }
8109                 } else if (wpa_s->sched_scanning &&
8110                            (type & MAC_ADDR_RAND_SCHED_SCAN)) {
8111                         /* simulate timeout to restart the sched scan */
8112                         wpa_s->sched_scan_timed_out = 1;
8113                         wpa_s->prev_sched_ssid = NULL;
8114                         wpa_supplicant_cancel_sched_scan(wpa_s);
8115                 }
8116                 return 0;
8117         }
8118
8119         if ((addr && !mask) || (!addr && mask)) {
8120                 wpa_printf(MSG_INFO,
8121                            "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
8122                 return -1;
8123         }
8124
8125         if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
8126                 wpa_printf(MSG_INFO,
8127                            "CTRL: MAC_RAND_SCAN cannot allow multicast address");
8128                 return -1;
8129         }
8130
8131         if (type & MAC_ADDR_RAND_SCAN) {
8132                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
8133                                             addr, mask);
8134         }
8135
8136         if (type & MAC_ADDR_RAND_SCHED_SCAN) {
8137                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
8138                                             addr, mask);
8139
8140                 if (wpa_s->sched_scanning && !wpa_s->pno) {
8141                         /* simulate timeout to restart the sched scan */
8142                         wpa_s->sched_scan_timed_out = 1;
8143                         wpa_s->prev_sched_ssid = NULL;
8144                         wpa_supplicant_cancel_sched_scan(wpa_s);
8145                 }
8146         }
8147
8148         if (type & MAC_ADDR_RAND_PNO) {
8149                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
8150                                             addr, mask);
8151                 if (wpa_s->pno) {
8152                         wpas_stop_pno(wpa_s);
8153                         wpas_start_pno(wpa_s);
8154                 }
8155         }
8156
8157         return 0;
8158 }
8159
8160
8161 static int wpas_ctrl_cmd_debug_level(const char *cmd)
8162 {
8163         if (os_strcmp(cmd, "PING") == 0 ||
8164             os_strncmp(cmd, "BSS ", 4) == 0 ||
8165             os_strncmp(cmd, "GET_NETWORK ", 12) == 0 ||
8166             os_strncmp(cmd, "STATUS", 6) == 0 ||
8167             os_strncmp(cmd, "STA ", 4) == 0 ||
8168             os_strncmp(cmd, "STA-", 4) == 0)
8169                 return MSG_EXCESSIVE;
8170         return MSG_DEBUG;
8171 }
8172
8173
8174 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
8175                                          char *buf, size_t *resp_len)
8176 {
8177         char *reply;
8178         const int reply_size = 4096;
8179         int reply_len;
8180
8181         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
8182             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8183                 if (wpa_debug_show_keys)
8184                         wpa_dbg(wpa_s, MSG_DEBUG,
8185                                 "Control interface command '%s'", buf);
8186                 else
8187                         wpa_dbg(wpa_s, MSG_DEBUG,
8188                                 "Control interface command '%s [REMOVED]'",
8189                                 os_strncmp(buf, WPA_CTRL_RSP,
8190                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
8191                                 WPA_CTRL_RSP : "SET_NETWORK");
8192         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
8193                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
8194                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
8195                                       (const u8 *) buf, os_strlen(buf));
8196         } else {
8197                 int level = wpas_ctrl_cmd_debug_level(buf);
8198                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
8199         }
8200
8201         reply = os_malloc(reply_size);
8202         if (reply == NULL) {
8203                 *resp_len = 1;
8204                 return NULL;
8205         }
8206
8207         os_memcpy(reply, "OK\n", 3);
8208         reply_len = 3;
8209
8210         if (os_strcmp(buf, "PING") == 0) {
8211                 os_memcpy(reply, "PONG\n", 5);
8212                 reply_len = 5;
8213         } else if (os_strcmp(buf, "IFNAME") == 0) {
8214                 reply_len = os_strlen(wpa_s->ifname);
8215                 os_memcpy(reply, wpa_s->ifname, reply_len);
8216         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
8217                 if (wpa_debug_reopen_file() < 0)
8218                         reply_len = -1;
8219         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
8220                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
8221         } else if (os_strcmp(buf, "MIB") == 0) {
8222                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
8223                 if (reply_len >= 0) {
8224                         reply_len += eapol_sm_get_mib(wpa_s->eapol,
8225                                                       reply + reply_len,
8226                                                       reply_size - reply_len);
8227                 }
8228         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
8229                 reply_len = wpa_supplicant_ctrl_iface_status(
8230                         wpa_s, buf + 6, reply, reply_size);
8231         } else if (os_strcmp(buf, "PMKSA") == 0) {
8232                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
8233                                                     reply_size);
8234         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
8235                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
8236         } else if (os_strncmp(buf, "SET ", 4) == 0) {
8237                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
8238                         reply_len = -1;
8239         } else if (os_strncmp(buf, "DUMP", 4) == 0) {
8240                 reply_len = wpa_config_dump_values(wpa_s->conf,
8241                                                    reply, reply_size);
8242         } else if (os_strncmp(buf, "GET ", 4) == 0) {
8243                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
8244                                                           reply, reply_size);
8245         } else if (os_strcmp(buf, "LOGON") == 0) {
8246                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
8247         } else if (os_strcmp(buf, "LOGOFF") == 0) {
8248                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
8249         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
8250                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8251                         reply_len = -1;
8252                 else
8253                         wpas_request_connection(wpa_s);
8254         } else if (os_strcmp(buf, "REATTACH") == 0) {
8255                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
8256                     !wpa_s->current_ssid)
8257                         reply_len = -1;
8258                 else {
8259                         wpa_s->reattach = 1;
8260                         wpas_request_connection(wpa_s);
8261                 }
8262         } else if (os_strcmp(buf, "RECONNECT") == 0) {
8263                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8264                         reply_len = -1;
8265                 else if (wpa_s->disconnected)
8266                         wpas_request_connection(wpa_s);
8267 #ifdef IEEE8021X_EAPOL
8268         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
8269                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
8270                         reply_len = -1;
8271 #endif /* IEEE8021X_EAPOL */
8272 #ifdef CONFIG_PEERKEY
8273         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
8274                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
8275                         reply_len = -1;
8276 #endif /* CONFIG_PEERKEY */
8277 #ifdef CONFIG_IEEE80211R
8278         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
8279                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
8280                         reply_len = -1;
8281 #endif /* CONFIG_IEEE80211R */
8282 #ifdef CONFIG_WPS
8283         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
8284                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
8285                 if (res == -2) {
8286                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8287                         reply_len = 17;
8288                 } else if (res)
8289                         reply_len = -1;
8290         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
8291                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
8292                 if (res == -2) {
8293                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8294                         reply_len = 17;
8295                 } else if (res)
8296                         reply_len = -1;
8297         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
8298                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
8299                                                               reply,
8300                                                               reply_size);
8301         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
8302                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
8303                         wpa_s, buf + 14, reply, reply_size);
8304         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
8305                 if (wpas_wps_cancel(wpa_s))
8306                         reply_len = -1;
8307 #ifdef CONFIG_WPS_NFC
8308         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
8309                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
8310                         reply_len = -1;
8311         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
8312                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
8313                         reply_len = -1;
8314         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
8315                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
8316                         wpa_s, buf + 21, reply, reply_size);
8317         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
8318                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
8319                         wpa_s, buf + 14, reply, reply_size);
8320         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
8321                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
8322                                                                buf + 17))
8323                         reply_len = -1;
8324         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
8325                 reply_len = wpas_ctrl_nfc_get_handover_req(
8326                         wpa_s, buf + 21, reply, reply_size);
8327         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
8328                 reply_len = wpas_ctrl_nfc_get_handover_sel(
8329                         wpa_s, buf + 21, reply, reply_size);
8330         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
8331                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
8332                         reply_len = -1;
8333 #endif /* CONFIG_WPS_NFC */
8334         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
8335                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
8336                         reply_len = -1;
8337 #ifdef CONFIG_AP
8338         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
8339                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
8340                         wpa_s, buf + 11, reply, reply_size);
8341 #endif /* CONFIG_AP */
8342 #ifdef CONFIG_WPS_ER
8343         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
8344                 if (wpas_wps_er_start(wpa_s, NULL))
8345                         reply_len = -1;
8346         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
8347                 if (wpas_wps_er_start(wpa_s, buf + 13))
8348                         reply_len = -1;
8349         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
8350                 wpas_wps_er_stop(wpa_s);
8351         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
8352                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
8353                         reply_len = -1;
8354         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
8355                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
8356                 if (ret == -2) {
8357                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8358                         reply_len = 17;
8359                 } else if (ret == -3) {
8360                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
8361                         reply_len = 18;
8362                 } else if (ret == -4) {
8363                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
8364                         reply_len = 20;
8365                 } else if (ret)
8366                         reply_len = -1;
8367         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
8368                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
8369                         reply_len = -1;
8370         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
8371                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
8372                                                                 buf + 18))
8373                         reply_len = -1;
8374         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
8375                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
8376                         reply_len = -1;
8377 #ifdef CONFIG_WPS_NFC
8378         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
8379                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
8380                         wpa_s, buf + 24, reply, reply_size);
8381 #endif /* CONFIG_WPS_NFC */
8382 #endif /* CONFIG_WPS_ER */
8383 #endif /* CONFIG_WPS */
8384 #ifdef CONFIG_IBSS_RSN
8385         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
8386                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
8387                         reply_len = -1;
8388 #endif /* CONFIG_IBSS_RSN */
8389 #ifdef CONFIG_MESH
8390         } else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
8391                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8392                         wpa_s, buf + 19, reply, reply_size);
8393         } else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
8394                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8395                         wpa_s, "", reply, reply_size);
8396         } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
8397                 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
8398                         reply_len = -1;
8399         } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
8400                 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
8401                                                                 buf + 18))
8402                         reply_len = -1;
8403 #endif /* CONFIG_MESH */
8404 #ifdef CONFIG_P2P
8405         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
8406                 if (p2p_ctrl_find(wpa_s, buf + 8))
8407                         reply_len = -1;
8408         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
8409                 if (p2p_ctrl_find(wpa_s, ""))
8410                         reply_len = -1;
8411         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
8412                 wpas_p2p_stop_find(wpa_s);
8413         } else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
8414                 if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
8415                         reply_len = -1;
8416         } else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
8417                 if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
8418                         reply_len = -1;
8419         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
8420                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
8421                                              reply_size);
8422         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
8423                 if (p2p_ctrl_listen(wpa_s, buf + 11))
8424                         reply_len = -1;
8425         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
8426                 if (p2p_ctrl_listen(wpa_s, ""))
8427                         reply_len = -1;
8428         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
8429                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
8430                         reply_len = -1;
8431         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
8432                 if (p2p_ctrl_group_add(wpa_s, ""))
8433                         reply_len = -1;
8434         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
8435                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
8436                         reply_len = -1;
8437         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
8438                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
8439                         reply_len = -1;
8440         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
8441                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
8442         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
8443                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
8444                                                    reply_size);
8445         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
8446                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
8447                         reply_len = -1;
8448         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
8449                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
8450                         reply_len = -1;
8451         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
8452                 wpas_p2p_sd_service_update(wpa_s);
8453         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
8454                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
8455                         reply_len = -1;
8456         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
8457                 wpas_p2p_service_flush(wpa_s);
8458         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
8459                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
8460                         reply_len = -1;
8461         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
8462                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
8463                         reply_len = -1;
8464         } else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
8465                 if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
8466                         reply_len = -1;
8467         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
8468                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
8469                         reply_len = -1;
8470         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
8471                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
8472                         reply_len = -1;
8473         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
8474                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
8475                                               reply_size);
8476         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
8477                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
8478                         reply_len = -1;
8479         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
8480                 p2p_ctrl_flush(wpa_s);
8481         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
8482                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
8483                         reply_len = -1;
8484         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
8485                 if (wpas_p2p_cancel(wpa_s))
8486                         reply_len = -1;
8487         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
8488                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
8489                         reply_len = -1;
8490         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
8491                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
8492                         reply_len = -1;
8493         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
8494                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
8495                         reply_len = -1;
8496         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
8497                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
8498                         reply_len = -1;
8499         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
8500                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
8501                         reply_len = -1;
8502 #endif /* CONFIG_P2P */
8503 #ifdef CONFIG_WIFI_DISPLAY
8504         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
8505                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
8506                         reply_len = -1;
8507         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
8508                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
8509                                                      reply, reply_size);
8510 #endif /* CONFIG_WIFI_DISPLAY */
8511 #ifdef CONFIG_INTERWORKING
8512         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
8513                 if (interworking_fetch_anqp(wpa_s) < 0)
8514                         reply_len = -1;
8515         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
8516                 interworking_stop_fetch_anqp(wpa_s);
8517         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
8518                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
8519                         reply_len = -1;
8520         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
8521                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
8522                         reply_len = -1;
8523         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
8524                 if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
8525                         reply_len = -1;
8526         } else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
8527                 int id;
8528
8529                 id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
8530                 if (id < 0)
8531                         reply_len = -1;
8532                 else {
8533                         reply_len = os_snprintf(reply, reply_size, "%d\n", id);
8534                         if (os_snprintf_error(reply_size, reply_len))
8535                                 reply_len = -1;
8536                 }
8537         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
8538                 if (get_anqp(wpa_s, buf + 9) < 0)
8539                         reply_len = -1;
8540         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
8541                 if (gas_request(wpa_s, buf + 12) < 0)
8542                         reply_len = -1;
8543         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
8544                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
8545                                              reply_size);
8546 #endif /* CONFIG_INTERWORKING */
8547 #ifdef CONFIG_HS20
8548         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
8549                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
8550                         reply_len = -1;
8551         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
8552                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
8553                         reply_len = -1;
8554         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
8555                 if (hs20_icon_request(wpa_s, buf + 18) < 0)
8556                         reply_len = -1;
8557         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
8558                 if (hs20_fetch_osu(wpa_s) < 0)
8559                         reply_len = -1;
8560         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
8561                 hs20_cancel_fetch_osu(wpa_s);
8562 #endif /* CONFIG_HS20 */
8563         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
8564         {
8565                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
8566                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
8567                         reply_len = -1;
8568                 else {
8569                         /*
8570                          * Notify response from timeout to allow the control
8571                          * interface response to be sent first.
8572                          */
8573                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
8574                                                wpa_s, NULL);
8575                 }
8576         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
8577                 if (wpa_supplicant_reload_configuration(wpa_s))
8578                         reply_len = -1;
8579         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8580                 wpa_supplicant_terminate_proc(wpa_s->global);
8581         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
8582                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
8583                         reply_len = -1;
8584         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
8585                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
8586                         wpa_s, buf + 9, reply, reply_size);
8587         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
8588                 reply_len = wpa_supplicant_ctrl_iface_log_level(
8589                         wpa_s, buf + 9, reply, reply_size);
8590         } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
8591                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8592                         wpa_s, buf + 14, reply, reply_size);
8593         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
8594                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8595                         wpa_s, NULL, reply, reply_size);
8596         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
8597 #ifdef CONFIG_SME
8598                 wpa_s->sme.prev_bssid_set = 0;
8599 #endif /* CONFIG_SME */
8600                 wpa_s->reassociate = 0;
8601                 wpa_s->disconnected = 1;
8602                 wpa_supplicant_cancel_sched_scan(wpa_s);
8603                 wpa_supplicant_cancel_scan(wpa_s);
8604                 wpa_supplicant_deauthenticate(wpa_s,
8605                                               WLAN_REASON_DEAUTH_LEAVING);
8606                 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
8607         } else if (os_strcmp(buf, "SCAN") == 0) {
8608                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
8609         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
8610                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
8611         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
8612                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
8613                         wpa_s, reply, reply_size);
8614         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
8615                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
8616                         reply_len = -1;
8617         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
8618                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
8619                         reply_len = -1;
8620         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
8621                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
8622                         reply_len = -1;
8623         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
8624                 reply_len = wpa_supplicant_ctrl_iface_add_network(
8625                         wpa_s, reply, reply_size);
8626         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
8627                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
8628                         reply_len = -1;
8629         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8630                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
8631                         reply_len = -1;
8632         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
8633                 reply_len = wpa_supplicant_ctrl_iface_get_network(
8634                         wpa_s, buf + 12, reply, reply_size);
8635         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
8636                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12,
8637                                                           wpa_s))
8638                         reply_len = -1;
8639         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
8640                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
8641                         wpa_s, reply, reply_size);
8642         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
8643                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
8644                         wpa_s, reply, reply_size);
8645         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
8646                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
8647                         reply_len = -1;
8648         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
8649                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
8650                         reply_len = -1;
8651         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
8652                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
8653                                                                reply,
8654                                                                reply_size);
8655 #ifndef CONFIG_NO_CONFIG_WRITE
8656         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8657                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
8658                         reply_len = -1;
8659 #endif /* CONFIG_NO_CONFIG_WRITE */
8660         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
8661                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
8662                         wpa_s, buf + 15, reply, reply_size);
8663         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
8664                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
8665                         reply_len = -1;
8666         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
8667                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
8668                         reply_len = -1;
8669         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8670                 reply_len = wpa_supplicant_global_iface_list(
8671                         wpa_s->global, reply, reply_size);
8672         } else if (os_strcmp(buf, "INTERFACES") == 0) {
8673                 reply_len = wpa_supplicant_global_iface_interfaces(
8674                         wpa_s->global, reply, reply_size);
8675         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
8676                 reply_len = wpa_supplicant_ctrl_iface_bss(
8677                         wpa_s, buf + 4, reply, reply_size);
8678 #ifdef CONFIG_AP
8679         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
8680                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
8681         } else if (os_strncmp(buf, "STA ", 4) == 0) {
8682                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
8683                                               reply_size);
8684         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
8685                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
8686                                                    reply_size);
8687         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
8688                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
8689                         reply_len = -1;
8690         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
8691                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
8692                         reply_len = -1;
8693         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
8694                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
8695                         reply_len = -1;
8696         } else if (os_strcmp(buf, "STOP_AP") == 0) {
8697                 if (wpas_ap_stop_ap(wpa_s))
8698                         reply_len = -1;
8699 #endif /* CONFIG_AP */
8700         } else if (os_strcmp(buf, "SUSPEND") == 0) {
8701                 wpas_notify_suspend(wpa_s->global);
8702         } else if (os_strcmp(buf, "RESUME") == 0) {
8703                 wpas_notify_resume(wpa_s->global);
8704 #ifdef CONFIG_TESTING_OPTIONS
8705         } else if (os_strcmp(buf, "DROP_SA") == 0) {
8706                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
8707 #endif /* CONFIG_TESTING_OPTIONS */
8708         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
8709                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
8710                         reply_len = -1;
8711         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
8712                 wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
8713         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
8714                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
8715                         reply_len = -1;
8716         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
8717                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
8718                                                                buf + 17))
8719                         reply_len = -1;
8720         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
8721                 wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
8722 #ifdef CONFIG_TDLS
8723         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
8724                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
8725                         reply_len = -1;
8726         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
8727                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
8728                         reply_len = -1;
8729         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
8730                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
8731                         reply_len = -1;
8732         } else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
8733                 if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
8734                                                                buf + 17))
8735                         reply_len = -1;
8736         } else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
8737                 if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
8738                                                                       buf + 24))
8739                         reply_len = -1;
8740         } else if (os_strncmp(buf, "TDLS_LINK_STATUS ", 17) == 0) {
8741                 reply_len = wpa_supplicant_ctrl_iface_tdls_link_status(
8742                         wpa_s, buf + 17, reply, reply_size);
8743 #endif /* CONFIG_TDLS */
8744         } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
8745                 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
8746         } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
8747                 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
8748                         reply_len = -1;
8749         } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
8750                 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
8751                         reply_len = -1;
8752         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
8753                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
8754                                                        reply_size);
8755         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
8756                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
8757                                                        reply_size);
8758 #ifdef CONFIG_AUTOSCAN
8759         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
8760                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
8761                         reply_len = -1;
8762 #endif /* CONFIG_AUTOSCAN */
8763 #ifdef ANDROID
8764         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
8765                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
8766                                                       reply_size);
8767 #endif /* ANDROID */
8768         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
8769                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
8770                                                       reply_size);
8771         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
8772                 pmksa_cache_clear_current(wpa_s->wpa);
8773                 eapol_sm_request_reauth(wpa_s->eapol);
8774 #ifdef CONFIG_WNM
8775         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
8776                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
8777                         reply_len = -1;
8778         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
8779                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
8780                                 reply_len = -1;
8781 #endif /* CONFIG_WNM */
8782         } else if (os_strcmp(buf, "FLUSH") == 0) {
8783                 wpa_supplicant_ctrl_iface_flush(wpa_s);
8784         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
8785                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
8786                                                  reply_size);
8787 #ifdef CONFIG_TESTING_OPTIONS
8788         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
8789                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
8790                         reply_len = -1;
8791         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
8792                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
8793         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
8794                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
8795                         reply_len = -1;
8796         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
8797                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
8798                         reply_len = -1;
8799         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
8800                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
8801                         reply_len = -1;
8802         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
8803                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
8804                         reply_len = -1;
8805         } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
8806                 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
8807                         reply_len = -1;
8808         } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
8809                 if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
8810                         reply_len = -1;
8811         } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
8812                 reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
8813         } else if (os_strncmp(buf, "TEST_FAIL ", 10) == 0) {
8814                 if (wpas_ctrl_test_fail(wpa_s, buf + 10) < 0)
8815                         reply_len = -1;
8816         } else if (os_strcmp(buf, "GET_FAIL") == 0) {
8817                 reply_len = wpas_ctrl_get_fail(wpa_s, reply, reply_size);
8818         } else if (os_strncmp(buf, "EVENT_TEST ", 11) == 0) {
8819                 if (wpas_ctrl_event_test(wpa_s, buf + 11) < 0)
8820                         reply_len = -1;
8821 #endif /* CONFIG_TESTING_OPTIONS */
8822         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
8823                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
8824                         reply_len = -1;
8825         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
8826                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
8827                                                       reply_size);
8828         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
8829                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
8830                         reply_len = -1;
8831         } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
8832                 if (wpas_ctrl_iface_send_neigbor_rep(wpa_s, buf + 20))
8833                         reply_len = -1;
8834         } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
8835                 wpas_ctrl_iface_erp_flush(wpa_s);
8836         } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
8837                 if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
8838                         reply_len = -1;
8839         } else if (os_strncmp(buf, "GET_PREF_FREQ_LIST ", 19) == 0) {
8840                 reply_len = wpas_ctrl_iface_get_pref_freq_list(
8841                         wpa_s, buf + 19, reply, reply_size);
8842         } else {
8843                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8844                 reply_len = 16;
8845         }
8846
8847         if (reply_len < 0) {
8848                 os_memcpy(reply, "FAIL\n", 5);
8849                 reply_len = 5;
8850         }
8851
8852         *resp_len = reply_len;
8853         return reply;
8854 }
8855
8856
8857 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
8858                                            char *cmd)
8859 {
8860         struct wpa_interface iface;
8861         char *pos, *extra;
8862         struct wpa_supplicant *wpa_s;
8863         unsigned int create_iface = 0;
8864         u8 mac_addr[ETH_ALEN];
8865         enum wpa_driver_if_type type = WPA_IF_STATION;
8866
8867         /*
8868          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
8869          * TAB<bridge_ifname>[TAB<create>[TAB<interface_type>]]
8870          */
8871         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
8872
8873         os_memset(&iface, 0, sizeof(iface));
8874
8875         do {
8876                 iface.ifname = pos = cmd;
8877                 pos = os_strchr(pos, '\t');
8878                 if (pos)
8879                         *pos++ = '\0';
8880                 if (iface.ifname[0] == '\0')
8881                         return -1;
8882                 if (pos == NULL)
8883                         break;
8884
8885                 iface.confname = pos;
8886                 pos = os_strchr(pos, '\t');
8887                 if (pos)
8888                         *pos++ = '\0';
8889                 if (iface.confname[0] == '\0')
8890                         iface.confname = NULL;
8891                 if (pos == NULL)
8892                         break;
8893
8894                 iface.driver = pos;
8895                 pos = os_strchr(pos, '\t');
8896                 if (pos)
8897                         *pos++ = '\0';
8898                 if (iface.driver[0] == '\0')
8899                         iface.driver = NULL;
8900                 if (pos == NULL)
8901                         break;
8902
8903                 iface.ctrl_interface = pos;
8904                 pos = os_strchr(pos, '\t');
8905                 if (pos)
8906                         *pos++ = '\0';
8907                 if (iface.ctrl_interface[0] == '\0')
8908                         iface.ctrl_interface = NULL;
8909                 if (pos == NULL)
8910                         break;
8911
8912                 iface.driver_param = pos;
8913                 pos = os_strchr(pos, '\t');
8914                 if (pos)
8915                         *pos++ = '\0';
8916                 if (iface.driver_param[0] == '\0')
8917                         iface.driver_param = NULL;
8918                 if (pos == NULL)
8919                         break;
8920
8921                 iface.bridge_ifname = pos;
8922                 pos = os_strchr(pos, '\t');
8923                 if (pos)
8924                         *pos++ = '\0';
8925                 if (iface.bridge_ifname[0] == '\0')
8926                         iface.bridge_ifname = NULL;
8927                 if (pos == NULL)
8928                         break;
8929
8930                 extra = pos;
8931                 pos = os_strchr(pos, '\t');
8932                 if (pos)
8933                         *pos++ = '\0';
8934                 if (!extra[0])
8935                         break;
8936
8937                 if (os_strcmp(extra, "create") == 0) {
8938                         create_iface = 1;
8939                         if (!pos)
8940                                 break;
8941
8942                         if (os_strcmp(pos, "sta") == 0) {
8943                                 type = WPA_IF_STATION;
8944                         } else if (os_strcmp(pos, "ap") == 0) {
8945                                 type = WPA_IF_AP_BSS;
8946                         } else {
8947                                 wpa_printf(MSG_DEBUG,
8948                                            "INTERFACE_ADD unsupported interface type: '%s'",
8949                                            pos);
8950                                 return -1;
8951                         }
8952                 } else {
8953                         wpa_printf(MSG_DEBUG,
8954                                    "INTERFACE_ADD unsupported extra parameter: '%s'",
8955                                    extra);
8956                         return -1;
8957                 }
8958         } while (0);
8959
8960         if (create_iface) {
8961                 wpa_printf(MSG_DEBUG, "CTRL_IFACE creating interface '%s'",
8962                            iface.ifname);
8963                 if (!global->ifaces)
8964                         return -1;
8965                 if (wpa_drv_if_add(global->ifaces, type, iface.ifname,
8966                                    NULL, NULL, NULL, mac_addr, NULL) < 0) {
8967                         wpa_printf(MSG_ERROR,
8968                                    "CTRL_IFACE interface creation failed");
8969                         return -1;
8970                 }
8971
8972                 wpa_printf(MSG_DEBUG,
8973                            "CTRL_IFACE interface '%s' created with MAC addr: "
8974                            MACSTR, iface.ifname, MAC2STR(mac_addr));
8975         }
8976
8977         if (wpa_supplicant_get_iface(global, iface.ifname))
8978                 goto fail;
8979
8980         wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
8981         if (!wpa_s)
8982                 goto fail;
8983         wpa_s->added_vif = create_iface;
8984         return 0;
8985
8986 fail:
8987         if (create_iface)
8988                 wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, iface.ifname);
8989         return -1;
8990 }
8991
8992
8993 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
8994                                               char *cmd)
8995 {
8996         struct wpa_supplicant *wpa_s;
8997         int ret;
8998         unsigned int delete_iface;
8999
9000         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
9001
9002         wpa_s = wpa_supplicant_get_iface(global, cmd);
9003         if (wpa_s == NULL)
9004                 return -1;
9005         delete_iface = wpa_s->added_vif;
9006         ret = wpa_supplicant_remove_iface(global, wpa_s, 0);
9007         if (!ret && delete_iface) {
9008                 wpa_printf(MSG_DEBUG, "CTRL_IFACE deleting the interface '%s'",
9009                            cmd);
9010                 ret = wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, cmd);
9011         }
9012         return ret;
9013 }
9014
9015
9016 static void wpa_free_iface_info(struct wpa_interface_info *iface)
9017 {
9018         struct wpa_interface_info *prev;
9019
9020         while (iface) {
9021                 prev = iface;
9022                 iface = iface->next;
9023
9024                 os_free(prev->ifname);
9025                 os_free(prev->desc);
9026                 os_free(prev);
9027         }
9028 }
9029
9030
9031 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
9032                                             char *buf, int len)
9033 {
9034         int i, res;
9035         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
9036         char *pos, *end;
9037
9038         for (i = 0; wpa_drivers[i]; i++) {
9039                 const struct wpa_driver_ops *drv = wpa_drivers[i];
9040                 if (drv->get_interfaces == NULL)
9041                         continue;
9042                 tmp = drv->get_interfaces(global->drv_priv[i]);
9043                 if (tmp == NULL)
9044                         continue;
9045
9046                 if (last == NULL)
9047                         iface = last = tmp;
9048                 else
9049                         last->next = tmp;
9050                 while (last->next)
9051                         last = last->next;
9052         }
9053
9054         pos = buf;
9055         end = buf + len;
9056         for (tmp = iface; tmp; tmp = tmp->next) {
9057                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
9058                                   tmp->drv_name, tmp->ifname,
9059                                   tmp->desc ? tmp->desc : "");
9060                 if (os_snprintf_error(end - pos, res)) {
9061                         *pos = '\0';
9062                         break;
9063                 }
9064                 pos += res;
9065         }
9066
9067         wpa_free_iface_info(iface);
9068
9069         return pos - buf;
9070 }
9071
9072
9073 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
9074                                                   char *buf, int len)
9075 {
9076         int res;
9077         char *pos, *end;
9078         struct wpa_supplicant *wpa_s;
9079
9080         wpa_s = global->ifaces;
9081         pos = buf;
9082         end = buf + len;
9083
9084         while (wpa_s) {
9085                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
9086                 if (os_snprintf_error(end - pos, res)) {
9087                         *pos = '\0';
9088                         break;
9089                 }
9090                 pos += res;
9091                 wpa_s = wpa_s->next;
9092         }
9093         return pos - buf;
9094 }
9095
9096
9097 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
9098                                             const char *ifname,
9099                                             char *cmd, size_t *resp_len)
9100 {
9101         struct wpa_supplicant *wpa_s;
9102
9103         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9104                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
9105                         break;
9106         }
9107
9108         if (wpa_s == NULL) {
9109                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
9110                 if (resp)
9111                         *resp_len = os_strlen(resp);
9112                 else
9113                         *resp_len = 1;
9114                 return resp;
9115         }
9116
9117         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
9118 }
9119
9120
9121 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
9122                                                char *buf, size_t *resp_len)
9123 {
9124 #ifdef CONFIG_P2P
9125         static const char * cmd[] = {
9126                 "LIST_NETWORKS",
9127                 "P2P_FIND",
9128                 "P2P_STOP_FIND",
9129                 "P2P_LISTEN",
9130                 "P2P_GROUP_ADD",
9131                 "P2P_GET_PASSPHRASE",
9132                 "P2P_SERVICE_UPDATE",
9133                 "P2P_SERVICE_FLUSH",
9134                 "P2P_FLUSH",
9135                 "P2P_CANCEL",
9136                 "P2P_PRESENCE_REQ",
9137                 "P2P_EXT_LISTEN",
9138                 NULL
9139         };
9140         static const char * prefix[] = {
9141 #ifdef ANDROID
9142                 "DRIVER ",
9143 #endif /* ANDROID */
9144                 "GET_NETWORK ",
9145                 "REMOVE_NETWORK ",
9146                 "P2P_FIND ",
9147                 "P2P_CONNECT ",
9148                 "P2P_LISTEN ",
9149                 "P2P_GROUP_REMOVE ",
9150                 "P2P_GROUP_ADD ",
9151                 "P2P_PROV_DISC ",
9152                 "P2P_SERV_DISC_REQ ",
9153                 "P2P_SERV_DISC_CANCEL_REQ ",
9154                 "P2P_SERV_DISC_RESP ",
9155                 "P2P_SERV_DISC_EXTERNAL ",
9156                 "P2P_SERVICE_ADD ",
9157                 "P2P_SERVICE_DEL ",
9158                 "P2P_SERVICE_REP ",
9159                 "P2P_REJECT ",
9160                 "P2P_INVITE ",
9161                 "P2P_PEER ",
9162                 "P2P_SET ",
9163                 "P2P_UNAUTHORIZE ",
9164                 "P2P_PRESENCE_REQ ",
9165                 "P2P_EXT_LISTEN ",
9166                 "P2P_REMOVE_CLIENT ",
9167                 "WPS_NFC_TOKEN ",
9168                 "WPS_NFC_TAG_READ ",
9169                 "NFC_GET_HANDOVER_SEL ",
9170                 "NFC_GET_HANDOVER_REQ ",
9171                 "NFC_REPORT_HANDOVER ",
9172                 "P2P_ASP_PROVISION ",
9173                 "P2P_ASP_PROVISION_RESP ",
9174                 NULL
9175         };
9176         int found = 0;
9177         int i;
9178
9179         if (global->p2p_init_wpa_s == NULL)
9180                 return NULL;
9181
9182         for (i = 0; !found && cmd[i]; i++) {
9183                 if (os_strcmp(buf, cmd[i]) == 0)
9184                         found = 1;
9185         }
9186
9187         for (i = 0; !found && prefix[i]; i++) {
9188                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
9189                         found = 1;
9190         }
9191
9192         if (found)
9193                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9194                                                          buf, resp_len);
9195 #endif /* CONFIG_P2P */
9196         return NULL;
9197 }
9198
9199
9200 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
9201                                                char *buf, size_t *resp_len)
9202 {
9203 #ifdef CONFIG_WIFI_DISPLAY
9204         if (global->p2p_init_wpa_s == NULL)
9205                 return NULL;
9206         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
9207             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
9208                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9209                                                          buf, resp_len);
9210 #endif /* CONFIG_WIFI_DISPLAY */
9211         return NULL;
9212 }
9213
9214
9215 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
9216                                            char *buf, size_t *resp_len)
9217 {
9218         char *ret;
9219
9220         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
9221         if (ret)
9222                 return ret;
9223
9224         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
9225         if (ret)
9226                 return ret;
9227
9228         return NULL;
9229 }
9230
9231
9232 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
9233 {
9234         char *value;
9235
9236         value = os_strchr(cmd, ' ');
9237         if (value == NULL)
9238                 return -1;
9239         *value++ = '\0';
9240
9241         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
9242
9243 #ifdef CONFIG_WIFI_DISPLAY
9244         if (os_strcasecmp(cmd, "wifi_display") == 0) {
9245                 wifi_display_enable(global, !!atoi(value));
9246                 return 0;
9247         }
9248 #endif /* CONFIG_WIFI_DISPLAY */
9249
9250         /* Restore cmd to its original value to allow redirection */
9251         value[-1] = ' ';
9252
9253         return -1;
9254 }
9255
9256
9257 static int wpas_global_ctrl_iface_dup_network(struct wpa_global *global,
9258                                               char *cmd)
9259 {
9260         struct wpa_supplicant *wpa_s[2]; /* src, dst */
9261         char *p;
9262         unsigned int i;
9263
9264         /* cmd: "<src ifname> <dst ifname> <src network id> <dst network id>
9265          * <variable name> */
9266
9267         for (i = 0; i < ARRAY_SIZE(wpa_s) ; i++) {
9268                 p = os_strchr(cmd, ' ');
9269                 if (p == NULL)
9270                         return -1;
9271                 *p = '\0';
9272
9273                 wpa_s[i] = global->ifaces;
9274                 for (; wpa_s[i]; wpa_s[i] = wpa_s[i]->next) {
9275                         if (os_strcmp(cmd, wpa_s[i]->ifname) == 0)
9276                                 break;
9277                 }
9278
9279                 if (!wpa_s[i]) {
9280                         wpa_printf(MSG_DEBUG,
9281                                    "CTRL_IFACE: Could not find iface=%s", cmd);
9282                         return -1;
9283                 }
9284
9285                 cmd = p + 1;
9286         }
9287
9288         return wpa_supplicant_ctrl_iface_dup_network(wpa_s[0], cmd, wpa_s[1]);
9289 }
9290
9291
9292 #ifndef CONFIG_NO_CONFIG_WRITE
9293 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
9294 {
9295         int ret = 0, saved = 0;
9296         struct wpa_supplicant *wpa_s;
9297
9298         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9299                 if (!wpa_s->conf->update_config) {
9300                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
9301                         continue;
9302                 }
9303
9304                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
9305                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
9306                         ret = 1;
9307                 } else {
9308                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
9309                         saved++;
9310                 }
9311         }
9312
9313         if (!saved && !ret) {
9314                 wpa_dbg(wpa_s, MSG_DEBUG,
9315                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
9316                 ret = 1;
9317         }
9318
9319         return ret;
9320 }
9321 #endif /* CONFIG_NO_CONFIG_WRITE */
9322
9323
9324 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
9325                                          char *buf, size_t buflen)
9326 {
9327         char *pos, *end;
9328         int ret;
9329         struct wpa_supplicant *wpa_s;
9330
9331         pos = buf;
9332         end = buf + buflen;
9333
9334 #ifdef CONFIG_P2P
9335         if (global->p2p && !global->p2p_disabled) {
9336                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
9337                                   "\n"
9338                                   "p2p_state=%s\n",
9339                                   MAC2STR(global->p2p_dev_addr),
9340                                   p2p_get_state_txt(global->p2p));
9341                 if (os_snprintf_error(end - pos, ret))
9342                         return pos - buf;
9343                 pos += ret;
9344         } else if (global->p2p) {
9345                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
9346                 if (os_snprintf_error(end - pos, ret))
9347                         return pos - buf;
9348                 pos += ret;
9349         }
9350 #endif /* CONFIG_P2P */
9351
9352 #ifdef CONFIG_WIFI_DISPLAY
9353         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
9354                           !!global->wifi_display);
9355         if (os_snprintf_error(end - pos, ret))
9356                 return pos - buf;
9357         pos += ret;
9358 #endif /* CONFIG_WIFI_DISPLAY */
9359
9360         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9361                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
9362                                   "address=" MACSTR "\n",
9363                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
9364                 if (os_snprintf_error(end - pos, ret))
9365                         return pos - buf;
9366                 pos += ret;
9367         }
9368
9369         return pos - buf;
9370 }
9371
9372
9373 #ifdef CONFIG_FST
9374
9375 static int wpas_global_ctrl_iface_fst_attach(struct wpa_global *global,
9376                                              char *cmd, char *buf,
9377                                              size_t reply_size)
9378 {
9379         char ifname[IFNAMSIZ + 1];
9380         struct fst_iface_cfg cfg;
9381         struct wpa_supplicant *wpa_s;
9382         struct fst_wpa_obj iface_obj;
9383
9384         if (!fst_parse_attach_command(cmd, ifname, sizeof(ifname), &cfg)) {
9385                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9386                 if (wpa_s) {
9387                         if (wpa_s->fst) {
9388                                 wpa_printf(MSG_INFO, "FST: Already attached");
9389                                 return -1;
9390                         }
9391                         fst_wpa_supplicant_fill_iface_obj(wpa_s, &iface_obj);
9392                         wpa_s->fst = fst_attach(ifname, wpa_s->own_addr,
9393                                                 &iface_obj, &cfg);
9394                         if (wpa_s->fst)
9395                                 return os_snprintf(buf, reply_size, "OK\n");
9396                 }
9397         }
9398
9399         return -1;
9400 }
9401
9402
9403 static int wpas_global_ctrl_iface_fst_detach(struct wpa_global *global,
9404                                              char *cmd, char *buf,
9405                                              size_t reply_size)
9406 {
9407         char ifname[IFNAMSIZ + 1];
9408         struct wpa_supplicant *wpa_s;
9409
9410         if (!fst_parse_detach_command(cmd, ifname, sizeof(ifname))) {
9411                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9412                 if (wpa_s) {
9413                         if (!fst_iface_detach(ifname)) {
9414                                 wpa_s->fst = NULL;
9415                                 return os_snprintf(buf, reply_size, "OK\n");
9416                         }
9417                 }
9418         }
9419
9420         return -1;
9421 }
9422
9423 #endif /* CONFIG_FST */
9424
9425
9426 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
9427                                                 char *buf, size_t *resp_len)
9428 {
9429         char *reply;
9430         const int reply_size = 2048;
9431         int reply_len;
9432         int level = MSG_DEBUG;
9433
9434         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
9435                 char *pos = os_strchr(buf + 7, ' ');
9436                 if (pos) {
9437                         *pos++ = '\0';
9438                         return wpas_global_ctrl_iface_ifname(global,
9439                                                              buf + 7, pos,
9440                                                              resp_len);
9441                 }
9442         }
9443
9444         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
9445         if (reply)
9446                 return reply;
9447
9448         if (os_strcmp(buf, "PING") == 0)
9449                 level = MSG_EXCESSIVE;
9450         wpa_hexdump_ascii(level, "RX global ctrl_iface",
9451                           (const u8 *) buf, os_strlen(buf));
9452
9453         reply = os_malloc(reply_size);
9454         if (reply == NULL) {
9455                 *resp_len = 1;
9456                 return NULL;
9457         }
9458
9459         os_memcpy(reply, "OK\n", 3);
9460         reply_len = 3;
9461
9462         if (os_strcmp(buf, "PING") == 0) {
9463                 os_memcpy(reply, "PONG\n", 5);
9464                 reply_len = 5;
9465         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
9466                 if (wpa_supplicant_global_iface_add(global, buf + 14))
9467                         reply_len = -1;
9468         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
9469                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
9470                         reply_len = -1;
9471         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
9472                 reply_len = wpa_supplicant_global_iface_list(
9473                         global, reply, reply_size);
9474         } else if (os_strcmp(buf, "INTERFACES") == 0) {
9475                 reply_len = wpa_supplicant_global_iface_interfaces(
9476                         global, reply, reply_size);
9477 #ifdef CONFIG_FST
9478         } else if (os_strncmp(buf, "FST-ATTACH ", 11) == 0) {
9479                 reply_len = wpas_global_ctrl_iface_fst_attach(global, buf + 11,
9480                                                               reply,
9481                                                               reply_size);
9482         } else if (os_strncmp(buf, "FST-DETACH ", 11) == 0) {
9483                 reply_len = wpas_global_ctrl_iface_fst_detach(global, buf + 11,
9484                                                               reply,
9485                                                               reply_size);
9486         } else if (os_strncmp(buf, "FST-MANAGER ", 12) == 0) {
9487                 reply_len = fst_ctrl_iface_receive(buf + 12, reply, reply_size);
9488 #endif /* CONFIG_FST */
9489         } else if (os_strcmp(buf, "TERMINATE") == 0) {
9490                 wpa_supplicant_terminate_proc(global);
9491         } else if (os_strcmp(buf, "SUSPEND") == 0) {
9492                 wpas_notify_suspend(global);
9493         } else if (os_strcmp(buf, "RESUME") == 0) {
9494                 wpas_notify_resume(global);
9495         } else if (os_strncmp(buf, "SET ", 4) == 0) {
9496                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
9497 #ifdef CONFIG_P2P
9498                         if (global->p2p_init_wpa_s) {
9499                                 os_free(reply);
9500                                 /* Check if P2P redirection would work for this
9501                                  * command. */
9502                                 return wpa_supplicant_ctrl_iface_process(
9503                                         global->p2p_init_wpa_s,
9504                                         buf, resp_len);
9505                         }
9506 #endif /* CONFIG_P2P */
9507                         reply_len = -1;
9508                 }
9509         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
9510                 if (wpas_global_ctrl_iface_dup_network(global, buf + 12))
9511                         reply_len = -1;
9512 #ifndef CONFIG_NO_CONFIG_WRITE
9513         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
9514                 if (wpas_global_ctrl_iface_save_config(global))
9515                         reply_len = -1;
9516 #endif /* CONFIG_NO_CONFIG_WRITE */
9517         } else if (os_strcmp(buf, "STATUS") == 0) {
9518                 reply_len = wpas_global_ctrl_iface_status(global, reply,
9519                                                           reply_size);
9520 #ifdef CONFIG_MODULE_TESTS
9521         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
9522                 int wpas_module_tests(void);
9523                 if (wpas_module_tests() < 0)
9524                         reply_len = -1;
9525 #endif /* CONFIG_MODULE_TESTS */
9526         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
9527                 if (wpa_debug_reopen_file() < 0)
9528                         reply_len = -1;
9529         } else {
9530                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
9531                 reply_len = 16;
9532         }
9533
9534         if (reply_len < 0) {
9535                 os_memcpy(reply, "FAIL\n", 5);
9536                 reply_len = 5;
9537         }
9538
9539         *resp_len = reply_len;
9540         return reply;
9541 }