wpa_supplicant/ctrl_iface.c

   1 /*
   2  * WPA Supplicant / Control interface (shared code for all backends)
   3  * Copyright (c) 2004-2015, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10 #ifdef CONFIG_TESTING_OPTIONS
  11 #include <net/ethernet.h>
  12 #include <netinet/ip.h>
  13 #endif /* CONFIG_TESTING_OPTIONS */
  14
  15 #include "utils/common.h"
  16 #include "utils/eloop.h"
  17 #include "utils/uuid.h"
  18 #include "common/version.h"
  19 #include "common/ieee802_11_defs.h"
  20 #include "common/ieee802_11_common.h"
  21 #include "common/wpa_ctrl.h"
  22 #include "crypto/tls.h"
  23 #include "ap/hostapd.h"
  24 #include "eap_peer/eap.h"
  25 #include "eapol_supp/eapol_supp_sm.h"
  26 #include "rsn_supp/wpa.h"
  27 #include "rsn_supp/preauth.h"
  28 #include "rsn_supp/pmksa_cache.h"
  29 #include "l2_packet/l2_packet.h"
  30 #include "wps/wps.h"
  31 #include "fst/fst.h"
  32 #include "fst/fst_ctrl_iface.h"
  33 #include "config.h"
  34 #include "wpa_supplicant_i.h"
  35 #include "driver_i.h"
  36 #include "wps_supplicant.h"
  37 #include "ibss_rsn.h"
  38 #include "ap.h"
  39 #include "p2p_supplicant.h"
  40 #include "p2p/p2p.h"
  41 #include "hs20_supplicant.h"
  42 #include "wifi_display.h"
  43 #include "notify.h"
  44 #include "bss.h"
  45 #include "scan.h"
  46 #include "ctrl_iface.h"
  47 #include "interworking.h"
  48 #include "blacklist.h"
  49 #include "autoscan.h"
  50 #include "wnm_sta.h"
  51 #include "offchannel.h"
  52 #include "drivers/driver.h"
  53 #include "mesh.h"
  54
  55 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
  56                                             char *buf, int len);
  57 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
  58                                                   char *buf, int len);
  59 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
  60                                         char *val);
  61
  62 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
  63 {
  64         char *pos;
  65         u8 addr[ETH_ALEN], *filter = NULL, *n;
  66         size_t count = 0;
  67
  68         pos = val;
  69         while (pos) {
  70                 if (*pos == '\0')
  71                         break;
  72                 if (hwaddr_aton(pos, addr)) {
  73                         os_free(filter);
  74                         return -1;
  75                 }
  76                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
  77                 if (n == NULL) {
  78                         os_free(filter);
  79                         return -1;
  80                 }
  81                 filter = n;
  82                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
  83                 count++;
  84
  85                 pos = os_strchr(pos, ' ');
  86                 if (pos)
  87                         pos++;
  88         }
  89
  90         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
  91         os_free(wpa_s->bssid_filter);
  92         wpa_s->bssid_filter = filter;
  93         wpa_s->bssid_filter_count = count;
  94
  95         return 0;
  96 }
  97
  98
  99 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
 100 {
 101         char *pos;
 102         u8 addr[ETH_ALEN], *bssid = NULL, *n;
 103         struct wpa_ssid_value *ssid = NULL, *ns;
 104         size_t count = 0, ssid_count = 0;
 105         struct wpa_ssid *c;
 106
 107         /*
 108          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
 109          * SSID_SPEC ::= ssid <SSID_HEX>
 110          * BSSID_SPEC ::= bssid <BSSID_HEX>
 111          */
 112
 113         pos = val;
 114         while (pos) {
 115                 if (*pos == '\0')
 116                         break;
 117                 if (os_strncmp(pos, "bssid ", 6) == 0) {
 118                         int res;
 119                         pos += 6;
 120                         res = hwaddr_aton2(pos, addr);
 121                         if (res < 0) {
 122                                 os_free(ssid);
 123                                 os_free(bssid);
 124                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 125                                            "BSSID value '%s'", pos);
 126                                 return -1;
 127                         }
 128                         pos += res;
 129                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
 130                         if (n == NULL) {
 131                                 os_free(ssid);
 132                                 os_free(bssid);
 133                                 return -1;
 134                         }
 135                         bssid = n;
 136                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
 137                         count++;
 138                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
 139                         char *end;
 140                         pos += 5;
 141
 142                         end = pos;
 143                         while (*end) {
 144                                 if (*end == '\0' || *end == ' ')
 145                                         break;
 146                                 end++;
 147                         }
 148
 149                         ns = os_realloc_array(ssid, ssid_count + 1,
 150                                               sizeof(struct wpa_ssid_value));
 151                         if (ns == NULL) {
 152                                 os_free(ssid);
 153                                 os_free(bssid);
 154                                 return -1;
 155                         }
 156                         ssid = ns;
 157
 158                         if ((end - pos) & 0x01 ||
 159                             end - pos > 2 * SSID_MAX_LEN ||
 160                             hexstr2bin(pos, ssid[ssid_count].ssid,
 161                                        (end - pos) / 2) < 0) {
 162                                 os_free(ssid);
 163                                 os_free(bssid);
 164                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 165                                            "SSID value '%s'", pos);
 166                                 return -1;
 167                         }
 168                         ssid[ssid_count].ssid_len = (end - pos) / 2;
 169                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
 170                                           ssid[ssid_count].ssid,
 171                                           ssid[ssid_count].ssid_len);
 172                         ssid_count++;
 173                         pos = end;
 174                 } else {
 175                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
 176                                    "'%s'", pos);
 177                         os_free(ssid);
 178                         os_free(bssid);
 179                         return -1;
 180                 }
 181
 182                 pos = os_strchr(pos, ' ');
 183                 if (pos)
 184                         pos++;
 185         }
 186
 187         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
 188         os_free(wpa_s->disallow_aps_bssid);
 189         wpa_s->disallow_aps_bssid = bssid;
 190         wpa_s->disallow_aps_bssid_count = count;
 191
 192         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
 193         os_free(wpa_s->disallow_aps_ssid);
 194         wpa_s->disallow_aps_ssid = ssid;
 195         wpa_s->disallow_aps_ssid_count = ssid_count;
 196
 197         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
 198                 return 0;
 199
 200         c = wpa_s->current_ssid;
 201         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
 202                 return 0;
 203
 204         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
 205             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
 206                 return 0;
 207
 208         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
 209                    "because current AP was marked disallowed");
 210
 211 #ifdef CONFIG_SME
 212         wpa_s->sme.prev_bssid_set = 0;
 213 #endif /* CONFIG_SME */
 214         wpa_s->reassociate = 1;
 215         wpa_s->own_disconnect_req = 1;
 216         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
 217         wpa_supplicant_req_scan(wpa_s, 0, 0);
 218
 219         return 0;
 220 }
 221
 222
 223 #ifndef CONFIG_NO_CONFIG_BLOBS
 224 static int wpas_ctrl_set_blob(struct wpa_supplicant *wpa_s, char *pos)
 225 {
 226         char *name = pos;
 227         struct wpa_config_blob *blob;
 228         size_t len;
 229
 230         pos = os_strchr(pos, ' ');
 231         if (pos == NULL)
 232                 return -1;
 233         *pos++ = '\0';
 234         len = os_strlen(pos);
 235         if (len & 1)
 236                 return -1;
 237
 238         wpa_printf(MSG_DEBUG, "CTRL: Set blob '%s'", name);
 239         blob = os_zalloc(sizeof(*blob));
 240         if (blob == NULL)
 241                 return -1;
 242         blob->name = os_strdup(name);
 243         blob->data = os_malloc(len / 2);
 244         if (blob->name == NULL || blob->data == NULL) {
 245                 wpa_config_free_blob(blob);
 246                 return -1;
 247         }
 248
 249         if (hexstr2bin(pos, blob->data, len / 2) < 0) {
 250                 wpa_printf(MSG_DEBUG, "CTRL: Invalid blob hex data");
 251                 wpa_config_free_blob(blob);
 252                 return -1;
 253         }
 254         blob->len = len / 2;
 255
 256         wpa_config_set_blob(wpa_s->conf, blob);
 257
 258         return 0;
 259 }
 260 #endif /* CONFIG_NO_CONFIG_BLOBS */
 261
 262
 263 static int wpas_ctrl_pno(struct wpa_supplicant *wpa_s, char *cmd)
 264 {
 265         char *params;
 266         char *pos;
 267         int *freqs = NULL;
 268         int ret;
 269
 270         if (atoi(cmd)) {
 271                 params = os_strchr(cmd, ' ');
 272                 os_free(wpa_s->manual_sched_scan_freqs);
 273                 if (params) {
 274                         params++;
 275                         pos = os_strstr(params, "freq=");
 276                         if (pos)
 277                                 freqs = freq_range_to_channel_list(wpa_s,
 278                                                                    pos + 5);
 279                 }
 280                 wpa_s->manual_sched_scan_freqs = freqs;
 281                 ret = wpas_start_pno(wpa_s);
 282         } else {
 283                 ret = wpas_stop_pno(wpa_s);
 284         }
 285         return ret;
 286 }
 287
 288
 289 static int wpas_ctrl_set_band(struct wpa_supplicant *wpa_s, char *band)
 290 {
 291         union wpa_event_data event;
 292
 293         if (os_strcmp(band, "AUTO") == 0)
 294                 wpa_s->setband = WPA_SETBAND_AUTO;
 295         else if (os_strcmp(band, "5G") == 0)
 296                 wpa_s->setband = WPA_SETBAND_5G;
 297         else if (os_strcmp(band, "2G") == 0)
 298                 wpa_s->setband = WPA_SETBAND_2G;
 299         else
 300                 return -1;
 301
 302         if (wpa_drv_setband(wpa_s, wpa_s->setband) == 0) {
 303                 os_memset(&event, 0, sizeof(event));
 304                 event.channel_list_changed.initiator = REGDOM_SET_BY_USER;
 305                 event.channel_list_changed.type = REGDOM_TYPE_UNKNOWN;
 306                 wpa_supplicant_event(wpa_s, EVENT_CHANNEL_LIST_CHANGED, &event);
 307         }
 308
 309         return 0;
 310 }
 311
 312
 313 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
 314                                          char *cmd)
 315 {
 316         char *value;
 317         int ret = 0;
 318
 319         value = os_strchr(cmd, ' ');
 320         if (value == NULL)
 321                 return -1;
 322         *value++ = '\0';
 323
 324         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
 325         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
 326                 eapol_sm_configure(wpa_s->eapol,
 327                                    atoi(value), -1, -1, -1);
 328         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
 329                 eapol_sm_configure(wpa_s->eapol,
 330                                    -1, atoi(value), -1, -1);
 331         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
 332                 eapol_sm_configure(wpa_s->eapol,
 333                                    -1, -1, atoi(value), -1);
 334         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
 335                 eapol_sm_configure(wpa_s->eapol,
 336                                    -1, -1, -1, atoi(value));
 337         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
 338                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
 339                                      atoi(value)))
 340                         ret = -1;
 341         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
 342                    0) {
 343                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
 344                                      atoi(value)))
 345                         ret = -1;
 346         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
 347                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
 348                         ret = -1;
 349         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
 350                 wpa_s->wps_fragment_size = atoi(value);
 351 #ifdef CONFIG_WPS_TESTING
 352         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
 353                 long int val;
 354                 val = strtol(value, NULL, 0);
 355                 if (val < 0 || val > 0xff) {
 356                         ret = -1;
 357                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
 358                                    "wps_version_number %ld", val);
 359                 } else {
 360                         wps_version_number = val;
 361                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
 362                                    "version %u.%u",
 363                                    (wps_version_number & 0xf0) >> 4,
 364                                    wps_version_number & 0x0f);
 365                 }
 366         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
 367                 wps_testing_dummy_cred = atoi(value);
 368                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
 369                            wps_testing_dummy_cred);
 370         } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
 371                 wps_corrupt_pkhash = atoi(value);
 372                 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
 373                            wps_corrupt_pkhash);
 374 #endif /* CONFIG_WPS_TESTING */
 375         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
 376                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
 377                         ret = -1;
 378 #ifdef CONFIG_TDLS
 379 #ifdef CONFIG_TDLS_TESTING
 380         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
 381                 extern unsigned int tdls_testing;
 382                 tdls_testing = strtol(value, NULL, 0);
 383                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
 384 #endif /* CONFIG_TDLS_TESTING */
 385         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
 386                 int disabled = atoi(value);
 387                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
 388                 if (disabled) {
 389                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
 390                                 ret = -1;
 391                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
 392                         ret = -1;
 393                 wpa_tdls_enable(wpa_s->wpa, !disabled);
 394 #endif /* CONFIG_TDLS */
 395         } else if (os_strcasecmp(cmd, "pno") == 0) {
 396                 ret = wpas_ctrl_pno(wpa_s, value);
 397         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
 398                 int disabled = atoi(value);
 399                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
 400                         ret = -1;
 401                 else if (disabled)
 402                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
 403         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
 404                 if (os_strcmp(value, "disable") == 0)
 405                         wpa_s->set_sta_uapsd = 0;
 406                 else {
 407                         int be, bk, vi, vo;
 408                         char *pos;
 409                         /* format: BE,BK,VI,VO;max SP Length */
 410                         be = atoi(value);
 411                         pos = os_strchr(value, ',');
 412                         if (pos == NULL)
 413                                 return -1;
 414                         pos++;
 415                         bk = atoi(pos);
 416                         pos = os_strchr(pos, ',');
 417                         if (pos == NULL)
 418                                 return -1;
 419                         pos++;
 420                         vi = atoi(pos);
 421                         pos = os_strchr(pos, ',');
 422                         if (pos == NULL)
 423                                 return -1;
 424                         pos++;
 425                         vo = atoi(pos);
 426                         /* ignore max SP Length for now */
 427
 428                         wpa_s->set_sta_uapsd = 1;
 429                         wpa_s->sta_uapsd = 0;
 430                         if (be)
 431                                 wpa_s->sta_uapsd |= BIT(0);
 432                         if (bk)
 433                                 wpa_s->sta_uapsd |= BIT(1);
 434                         if (vi)
 435                                 wpa_s->sta_uapsd |= BIT(2);
 436                         if (vo)
 437                                 wpa_s->sta_uapsd |= BIT(3);
 438                 }
 439         } else if (os_strcasecmp(cmd, "ps") == 0) {
 440                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
 441 #ifdef CONFIG_WIFI_DISPLAY
 442         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 443                 int enabled = !!atoi(value);
 444                 if (enabled && !wpa_s->global->p2p)
 445                         ret = -1;
 446                 else
 447                         wifi_display_enable(wpa_s->global, enabled);
 448 #endif /* CONFIG_WIFI_DISPLAY */
 449         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
 450                 ret = set_bssid_filter(wpa_s, value);
 451         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
 452                 ret = set_disallow_aps(wpa_s, value);
 453         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
 454                 wpa_s->no_keep_alive = !!atoi(value);
 455 #ifdef CONFIG_TESTING_OPTIONS
 456         } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
 457                 wpa_s->ext_mgmt_frame_handling = !!atoi(value);
 458         } else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
 459                 wpa_s->ext_eapol_frame_io = !!atoi(value);
 460 #ifdef CONFIG_AP
 461                 if (wpa_s->ap_iface) {
 462                         wpa_s->ap_iface->bss[0]->ext_eapol_frame_io =
 463                                 wpa_s->ext_eapol_frame_io;
 464                 }
 465 #endif /* CONFIG_AP */
 466         } else if (os_strcasecmp(cmd, "extra_roc_dur") == 0) {
 467                 wpa_s->extra_roc_dur = atoi(value);
 468         } else if (os_strcasecmp(cmd, "test_failure") == 0) {
 469                 wpa_s->test_failure = atoi(value);
 470 #endif /* CONFIG_TESTING_OPTIONS */
 471 #ifndef CONFIG_NO_CONFIG_BLOBS
 472         } else if (os_strcmp(cmd, "blob") == 0) {
 473                 ret = wpas_ctrl_set_blob(wpa_s, value);
 474 #endif /* CONFIG_NO_CONFIG_BLOBS */
 475         } else if (os_strcasecmp(cmd, "setband") == 0) {
 476                 ret = wpas_ctrl_set_band(wpa_s, value);
 477         } else {
 478                 value[-1] = '=';
 479                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
 480                 if (ret == 0)
 481                         wpa_supplicant_update_config(wpa_s);
 482         }
 483
 484         return ret;
 485 }
 486
 487
 488 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
 489                                          char *cmd, char *buf, size_t buflen)
 490 {
 491         int res = -1;
 492
 493         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
 494
 495         if (os_strcmp(cmd, "version") == 0) {
 496                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
 497         } else if (os_strcasecmp(cmd, "country") == 0) {
 498                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
 499                         res = os_snprintf(buf, buflen, "%c%c",
 500                                           wpa_s->conf->country[0],
 501                                           wpa_s->conf->country[1]);
 502 #ifdef CONFIG_WIFI_DISPLAY
 503         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 504                 int enabled;
 505                 if (wpa_s->global->p2p == NULL ||
 506                     wpa_s->global->p2p_disabled)
 507                         enabled = 0;
 508                 else
 509                         enabled = wpa_s->global->wifi_display;
 510                 res = os_snprintf(buf, buflen, "%d", enabled);
 511 #endif /* CONFIG_WIFI_DISPLAY */
 512 #ifdef CONFIG_TESTING_GET_GTK
 513         } else if (os_strcmp(cmd, "gtk") == 0) {
 514                 if (wpa_s->last_gtk_len == 0)
 515                         return -1;
 516                 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
 517                                        wpa_s->last_gtk_len);
 518                 return res;
 519 #endif /* CONFIG_TESTING_GET_GTK */
 520         } else if (os_strcmp(cmd, "tls_library") == 0) {
 521                 res = tls_get_library_version(buf, buflen);
 522         } else {
 523                 res = wpa_config_get_value(cmd, wpa_s->conf, buf, buflen);
 524         }
 525
 526         if (os_snprintf_error(buflen, res))
 527                 return -1;
 528         return res;
 529 }
 530
 531
 532 #ifdef IEEE8021X_EAPOL
 533 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
 534                                              char *addr)
 535 {
 536         u8 bssid[ETH_ALEN];
 537         struct wpa_ssid *ssid = wpa_s->current_ssid;
 538
 539         if (hwaddr_aton(addr, bssid)) {
 540                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
 541                            "'%s'", addr);
 542                 return -1;
 543         }
 544
 545         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
 546         rsn_preauth_deinit(wpa_s->wpa);
 547         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
 548                 return -1;
 549
 550         return 0;
 551 }
 552 #endif /* IEEE8021X_EAPOL */
 553
 554
 555 #ifdef CONFIG_PEERKEY
 556 /* MLME-STKSTART.request(peer) */
 557 static int wpa_supplicant_ctrl_iface_stkstart(
 558         struct wpa_supplicant *wpa_s, char *addr)
 559 {
 560         u8 peer[ETH_ALEN];
 561
 562         if (hwaddr_aton(addr, peer)) {
 563                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
 564                            "address '%s'", addr);
 565                 return -1;
 566         }
 567
 568         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
 569                    MAC2STR(peer));
 570
 571         return wpa_sm_stkstart(wpa_s->wpa, peer);
 572 }
 573 #endif /* CONFIG_PEERKEY */
 574
 575
 576 #ifdef CONFIG_TDLS
 577
 578 static int wpa_supplicant_ctrl_iface_tdls_discover(
 579         struct wpa_supplicant *wpa_s, char *addr)
 580 {
 581         u8 peer[ETH_ALEN];
 582         int ret;
 583
 584         if (hwaddr_aton(addr, peer)) {
 585                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
 586                            "address '%s'", addr);
 587                 return -1;
 588         }
 589
 590         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
 591                    MAC2STR(peer));
 592
 593         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 594                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
 595         else
 596                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
 597
 598         return ret;
 599 }
 600
 601
 602 static int wpa_supplicant_ctrl_iface_tdls_setup(
 603         struct wpa_supplicant *wpa_s, char *addr)
 604 {
 605         u8 peer[ETH_ALEN];
 606         int ret;
 607
 608         if (hwaddr_aton(addr, peer)) {
 609                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
 610                            "address '%s'", addr);
 611                 return -1;
 612         }
 613
 614         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
 615                    MAC2STR(peer));
 616
 617         if ((wpa_s->conf->tdls_external_control) &&
 618             wpa_tdls_is_external_setup(wpa_s->wpa))
 619                 return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 620
 621         wpa_tdls_remove(wpa_s->wpa, peer);
 622
 623         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 624                 ret = wpa_tdls_start(wpa_s->wpa, peer);
 625         else
 626                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 627
 628         return ret;
 629 }
 630
 631
 632 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 633         struct wpa_supplicant *wpa_s, char *addr)
 634 {
 635         u8 peer[ETH_ALEN];
 636         int ret;
 637
 638         if (os_strcmp(addr, "*") == 0) {
 639                 /* remove everyone */
 640                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN *");
 641                 wpa_tdls_teardown_peers(wpa_s->wpa);
 642                 return 0;
 643         }
 644
 645         if (hwaddr_aton(addr, peer)) {
 646                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 647                            "address '%s'", addr);
 648                 return -1;
 649         }
 650
 651         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 652                    MAC2STR(peer));
 653
 654         if ((wpa_s->conf->tdls_external_control) &&
 655             wpa_tdls_is_external_setup(wpa_s->wpa))
 656                 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 657
 658         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 659                 ret = wpa_tdls_teardown_link(
 660                         wpa_s->wpa, peer,
 661                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 662         else
 663                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 664
 665         return ret;
 666 }
 667
 668
 669 static int ctrl_iface_get_capability_tdls(
 670         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
 671 {
 672         int ret;
 673
 674         ret = os_snprintf(buf, buflen, "%s\n",
 675                           wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
 676                           (wpa_s->drv_flags &
 677                            WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
 678                            "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
 679         if (os_snprintf_error(buflen, ret))
 680                 return -1;
 681         return ret;
 682 }
 683
 684
 685 static int wpa_supplicant_ctrl_iface_tdls_chan_switch(
 686         struct wpa_supplicant *wpa_s, char *cmd)
 687 {
 688         u8 peer[ETH_ALEN];
 689         struct hostapd_freq_params freq_params;
 690         u8 oper_class;
 691         char *pos, *end;
 692
 693         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
 694                 wpa_printf(MSG_INFO,
 695                            "tdls_chanswitch: Only supported with external setup");
 696                 return -1;
 697         }
 698
 699         os_memset(&freq_params, 0, sizeof(freq_params));
 700
 701         pos = os_strchr(cmd, ' ');
 702         if (pos == NULL)
 703                 return -1;
 704         *pos++ = '\0';
 705
 706         oper_class = strtol(pos, &end, 10);
 707         if (pos == end) {
 708                 wpa_printf(MSG_INFO,
 709                            "tdls_chanswitch: Invalid op class provided");
 710                 return -1;
 711         }
 712
 713         pos = end;
 714         freq_params.freq = atoi(pos);
 715         if (freq_params.freq == 0) {
 716                 wpa_printf(MSG_INFO, "tdls_chanswitch: Invalid freq provided");
 717                 return -1;
 718         }
 719
 720 #define SET_FREQ_SETTING(str) \
 721         do { \
 722                 const char *pos2 = os_strstr(pos, " " #str "="); \
 723                 if (pos2) { \
 724                         pos2 += sizeof(" " #str "=") - 1; \
 725                         freq_params.str = atoi(pos2); \
 726                 } \
 727         } while (0)
 728
 729         SET_FREQ_SETTING(center_freq1);
 730         SET_FREQ_SETTING(center_freq2);
 731         SET_FREQ_SETTING(bandwidth);
 732         SET_FREQ_SETTING(sec_channel_offset);
 733 #undef SET_FREQ_SETTING
 734
 735         freq_params.ht_enabled = !!os_strstr(pos, " ht");
 736         freq_params.vht_enabled = !!os_strstr(pos, " vht");
 737
 738         if (hwaddr_aton(cmd, peer)) {
 739                 wpa_printf(MSG_DEBUG,
 740                            "CTRL_IFACE TDLS_CHAN_SWITCH: Invalid address '%s'",
 741                            cmd);
 742                 return -1;
 743         }
 744
 745         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CHAN_SWITCH " MACSTR
 746                    " OP CLASS %d FREQ %d CENTER1 %d CENTER2 %d BW %d SEC_OFFSET %d%s%s",
 747                    MAC2STR(peer), oper_class, freq_params.freq,
 748                    freq_params.center_freq1, freq_params.center_freq2,
 749                    freq_params.bandwidth, freq_params.sec_channel_offset,
 750                    freq_params.ht_enabled ? " HT" : "",
 751                    freq_params.vht_enabled ? " VHT" : "");
 752
 753         return wpa_tdls_enable_chan_switch(wpa_s->wpa, peer, oper_class,
 754                                            &freq_params);
 755 }
 756
 757
 758 static int wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(
 759         struct wpa_supplicant *wpa_s, char *cmd)
 760 {
 761         u8 peer[ETH_ALEN];
 762
 763         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
 764                 wpa_printf(MSG_INFO,
 765                            "tdls_chanswitch: Only supported with external setup");
 766                 return -1;
 767         }
 768
 769         if (hwaddr_aton(cmd, peer)) {
 770                 wpa_printf(MSG_DEBUG,
 771                            "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH: Invalid address '%s'",
 772                            cmd);
 773                 return -1;
 774         }
 775
 776         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH " MACSTR,
 777                    MAC2STR(peer));
 778
 779         return wpa_tdls_disable_chan_switch(wpa_s->wpa, peer);
 780 }
 781
 782
 783 static int wpa_supplicant_ctrl_iface_tdls_link_status(
 784         struct wpa_supplicant *wpa_s, const char *addr,
 785         char *buf, size_t buflen)
 786 {
 787         u8 peer[ETH_ALEN];
 788         const char *tdls_status;
 789         int ret;
 790
 791         if (hwaddr_aton(addr, peer)) {
 792                 wpa_printf(MSG_DEBUG,
 793                            "CTRL_IFACE TDLS_LINK_STATUS: Invalid address '%s'",
 794                            addr);
 795                 return -1;
 796         }
 797         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS " MACSTR,
 798                    MAC2STR(peer));
 799
 800         tdls_status = wpa_tdls_get_link_status(wpa_s->wpa, peer);
 801         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS: %s", tdls_status);
 802         ret = os_snprintf(buf, buflen, "TDLS link status: %s\n", tdls_status);
 803         if (os_snprintf_error(buflen, ret))
 804                 return -1;
 805
 806         return ret;
 807 }
 808
 809 #endif /* CONFIG_TDLS */
 810
 811
 812 static int wmm_ac_ctrl_addts(struct wpa_supplicant *wpa_s, char *cmd)
 813 {
 814         char *token, *context = NULL;
 815         struct wmm_ac_ts_setup_params params = {
 816                 .tsid = 0xff,
 817                 .direction = 0xff,
 818         };
 819
 820         while ((token = str_token(cmd, " ", &context))) {
 821                 if (sscanf(token, "tsid=%i", &params.tsid) == 1 ||
 822                     sscanf(token, "up=%i", &params.user_priority) == 1 ||
 823                     sscanf(token, "nominal_msdu_size=%i",
 824                            &params.nominal_msdu_size) == 1 ||
 825                     sscanf(token, "mean_data_rate=%i",
 826                            &params.mean_data_rate) == 1 ||
 827                     sscanf(token, "min_phy_rate=%i",
 828                            &params.minimum_phy_rate) == 1 ||
 829                     sscanf(token, "sba=%i",
 830                            &params.surplus_bandwidth_allowance) == 1)
 831                         continue;
 832
 833                 if (os_strcasecmp(token, "downlink") == 0) {
 834                         params.direction = WMM_TSPEC_DIRECTION_DOWNLINK;
 835                 } else if (os_strcasecmp(token, "uplink") == 0) {
 836                         params.direction = WMM_TSPEC_DIRECTION_UPLINK;
 837                 } else if (os_strcasecmp(token, "bidi") == 0) {
 838                         params.direction = WMM_TSPEC_DIRECTION_BI_DIRECTIONAL;
 839                 } else if (os_strcasecmp(token, "fixed_nominal_msdu") == 0) {
 840                         params.fixed_nominal_msdu = 1;
 841                 } else {
 842                         wpa_printf(MSG_DEBUG,
 843                                    "CTRL: Invalid WMM_AC_ADDTS parameter: '%s'",
 844                                    token);
 845                         return -1;
 846                 }
 847
 848         }
 849
 850         return wpas_wmm_ac_addts(wpa_s, &params);
 851 }
 852
 853
 854 static int wmm_ac_ctrl_delts(struct wpa_supplicant *wpa_s, char *cmd)
 855 {
 856         u8 tsid = atoi(cmd);
 857
 858         return wpas_wmm_ac_delts(wpa_s, tsid);
 859 }
 860
 861
 862 #ifdef CONFIG_IEEE80211R
 863 static int wpa_supplicant_ctrl_iface_ft_ds(
 864         struct wpa_supplicant *wpa_s, char *addr)
 865 {
 866         u8 target_ap[ETH_ALEN];
 867         struct wpa_bss *bss;
 868         const u8 *mdie;
 869
 870         if (hwaddr_aton(addr, target_ap)) {
 871                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 872                            "address '%s'", addr);
 873                 return -1;
 874         }
 875
 876         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 877
 878         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 879         if (bss)
 880                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 881         else
 882                 mdie = NULL;
 883
 884         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 885 }
 886 #endif /* CONFIG_IEEE80211R */
 887
 888
 889 #ifdef CONFIG_WPS
 890 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 891                                              char *cmd)
 892 {
 893         u8 bssid[ETH_ALEN], *_bssid = bssid;
 894 #ifdef CONFIG_P2P
 895         u8 p2p_dev_addr[ETH_ALEN];
 896 #endif /* CONFIG_P2P */
 897 #ifdef CONFIG_AP
 898         u8 *_p2p_dev_addr = NULL;
 899 #endif /* CONFIG_AP */
 900
 901         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 902                 _bssid = NULL;
 903 #ifdef CONFIG_P2P
 904         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 905                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 906                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 907                                    "P2P Device Address '%s'",
 908                                    cmd + 13);
 909                         return -1;
 910                 }
 911                 _p2p_dev_addr = p2p_dev_addr;
 912 #endif /* CONFIG_P2P */
 913         } else if (hwaddr_aton(cmd, bssid)) {
 914                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 915                            cmd);
 916                 return -1;
 917         }
 918
 919 #ifdef CONFIG_AP
 920         if (wpa_s->ap_iface)
 921                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 922 #endif /* CONFIG_AP */
 923
 924         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 925 }
 926
 927
 928 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 929                                              char *cmd, char *buf,
 930                                              size_t buflen)
 931 {
 932         u8 bssid[ETH_ALEN], *_bssid = bssid;
 933         char *pin;
 934         int ret;
 935
 936         pin = os_strchr(cmd, ' ');
 937         if (pin)
 938                 *pin++ = '\0';
 939
 940         if (os_strcmp(cmd, "any") == 0)
 941                 _bssid = NULL;
 942         else if (os_strcmp(cmd, "get") == 0) {
 943                 ret = wps_generate_pin();
 944                 goto done;
 945         } else if (hwaddr_aton(cmd, bssid)) {
 946                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 947                            cmd);
 948                 return -1;
 949         }
 950
 951 #ifdef CONFIG_AP
 952         if (wpa_s->ap_iface) {
 953                 int timeout = 0;
 954                 char *pos;
 955
 956                 if (pin) {
 957                         pos = os_strchr(pin, ' ');
 958                         if (pos) {
 959                                 *pos++ = '\0';
 960                                 timeout = atoi(pos);
 961                         }
 962                 }
 963
 964                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 965                                                  buf, buflen, timeout);
 966         }
 967 #endif /* CONFIG_AP */
 968
 969         if (pin) {
 970                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 971                                          DEV_PW_DEFAULT);
 972                 if (ret < 0)
 973                         return -1;
 974                 ret = os_snprintf(buf, buflen, "%s", pin);
 975                 if (os_snprintf_error(buflen, ret))
 976                         return -1;
 977                 return ret;
 978         }
 979
 980         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 981         if (ret < 0)
 982                 return -1;
 983
 984 done:
 985         /* Return the generated PIN */
 986         ret = os_snprintf(buf, buflen, "%08d", ret);
 987         if (os_snprintf_error(buflen, ret))
 988                 return -1;
 989         return ret;
 990 }
 991
 992
 993 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 994         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 995 {
 996         char pin[9];
 997         size_t len;
 998         char *pos;
 999         int ret;
1000
1001         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
1002                               (u8 *) cmd, os_strlen(cmd));
1003         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
1004                 if (*pos < '0' || *pos > '9')
1005                         continue;
1006                 pin[len++] = *pos;
1007                 if (len == 9) {
1008                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
1009                         return -1;
1010                 }
1011         }
1012         if (len != 4 && len != 8) {
1013                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
1014                 return -1;
1015         }
1016         pin[len] = '\0';
1017
1018         if (len == 8) {
1019                 unsigned int pin_val;
1020                 pin_val = atoi(pin);
1021                 if (!wps_pin_valid(pin_val)) {
1022                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
1023                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
1024                         if (os_snprintf_error(buflen, ret))
1025                                 return -1;
1026                         return ret;
1027                 }
1028         }
1029
1030         ret = os_snprintf(buf, buflen, "%s", pin);
1031         if (os_snprintf_error(buflen, ret))
1032                 return -1;
1033
1034         return ret;
1035 }
1036
1037
1038 #ifdef CONFIG_WPS_NFC
1039
1040 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
1041                                              char *cmd)
1042 {
1043         u8 bssid[ETH_ALEN], *_bssid = bssid;
1044
1045         if (cmd == NULL || cmd[0] == '\0')
1046                 _bssid = NULL;
1047         else if (hwaddr_aton(cmd, bssid))
1048                 return -1;
1049
1050         return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
1051                                   0, 0);
1052 }
1053
1054
1055 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
1056         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1057 {
1058         int ndef;
1059         struct wpabuf *buf;
1060         int res;
1061         char *pos;
1062
1063         pos = os_strchr(cmd, ' ');
1064         if (pos)
1065                 *pos++ = '\0';
1066         if (os_strcmp(cmd, "WPS") == 0)
1067                 ndef = 0;
1068         else if (os_strcmp(cmd, "NDEF") == 0)
1069                 ndef = 1;
1070         else
1071                 return -1;
1072
1073         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
1074         if (buf == NULL)
1075                 return -1;
1076
1077         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1078                                          wpabuf_len(buf));
1079         reply[res++] = '\n';
1080         reply[res] = '\0';
1081
1082         wpabuf_free(buf);
1083
1084         return res;
1085 }
1086
1087
1088 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
1089         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1090 {
1091         int ndef;
1092         struct wpabuf *buf;
1093         int res;
1094
1095         if (os_strcmp(cmd, "WPS") == 0)
1096                 ndef = 0;
1097         else if (os_strcmp(cmd, "NDEF") == 0)
1098                 ndef = 1;
1099         else
1100                 return -1;
1101
1102         buf = wpas_wps_nfc_token(wpa_s, ndef);
1103         if (buf == NULL)
1104                 return -1;
1105
1106         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1107                                          wpabuf_len(buf));
1108         reply[res++] = '\n';
1109         reply[res] = '\0';
1110
1111         wpabuf_free(buf);
1112
1113         return res;
1114 }
1115
1116
1117 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
1118         struct wpa_supplicant *wpa_s, char *pos)
1119 {
1120         size_t len;
1121         struct wpabuf *buf;
1122         int ret;
1123         char *freq;
1124         int forced_freq = 0;
1125
1126         freq = strstr(pos, " freq=");
1127         if (freq) {
1128                 *freq = '\0';
1129                 freq += 6;
1130                 forced_freq = atoi(freq);
1131         }
1132
1133         len = os_strlen(pos);
1134         if (len & 0x01)
1135                 return -1;
1136         len /= 2;
1137
1138         buf = wpabuf_alloc(len);
1139         if (buf == NULL)
1140                 return -1;
1141         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
1142                 wpabuf_free(buf);
1143                 return -1;
1144         }
1145
1146         ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
1147         wpabuf_free(buf);
1148
1149         return ret;
1150 }
1151
1152
1153 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
1154                                               char *reply, size_t max_len,
1155                                               int ndef)
1156 {
1157         struct wpabuf *buf;
1158         int res;
1159
1160         buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
1161         if (buf == NULL)
1162                 return -1;
1163
1164         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1165                                          wpabuf_len(buf));
1166         reply[res++] = '\n';
1167         reply[res] = '\0';
1168
1169         wpabuf_free(buf);
1170
1171         return res;
1172 }
1173
1174
1175 #ifdef CONFIG_P2P
1176 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
1177                                               char *reply, size_t max_len,
1178                                               int ndef)
1179 {
1180         struct wpabuf *buf;
1181         int res;
1182
1183         buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
1184         if (buf == NULL) {
1185                 wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
1186                 return -1;
1187         }
1188
1189         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1190                                          wpabuf_len(buf));
1191         reply[res++] = '\n';
1192         reply[res] = '\0';
1193
1194         wpabuf_free(buf);
1195
1196         return res;
1197 }
1198 #endif /* CONFIG_P2P */
1199
1200
1201 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
1202                                           char *cmd, char *reply,
1203                                           size_t max_len)
1204 {
1205         char *pos;
1206         int ndef;
1207
1208         pos = os_strchr(cmd, ' ');
1209         if (pos == NULL)
1210                 return -1;
1211         *pos++ = '\0';
1212
1213         if (os_strcmp(cmd, "WPS") == 0)
1214                 ndef = 0;
1215         else if (os_strcmp(cmd, "NDEF") == 0)
1216                 ndef = 1;
1217         else
1218                 return -1;
1219
1220         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1221                 if (!ndef)
1222                         return -1;
1223                 return wpas_ctrl_nfc_get_handover_req_wps(
1224                         wpa_s, reply, max_len, ndef);
1225         }
1226
1227 #ifdef CONFIG_P2P
1228         if (os_strcmp(pos, "P2P-CR") == 0) {
1229                 return wpas_ctrl_nfc_get_handover_req_p2p(
1230                         wpa_s, reply, max_len, ndef);
1231         }
1232 #endif /* CONFIG_P2P */
1233
1234         return -1;
1235 }
1236
1237
1238 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1239                                               char *reply, size_t max_len,
1240                                               int ndef, int cr, char *uuid)
1241 {
1242         struct wpabuf *buf;
1243         int res;
1244
1245         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1246         if (buf == NULL)
1247                 return -1;
1248
1249         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1250                                          wpabuf_len(buf));
1251         reply[res++] = '\n';
1252         reply[res] = '\0';
1253
1254         wpabuf_free(buf);
1255
1256         return res;
1257 }
1258
1259
1260 #ifdef CONFIG_P2P
1261 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1262                                               char *reply, size_t max_len,
1263                                               int ndef, int tag)
1264 {
1265         struct wpabuf *buf;
1266         int res;
1267
1268         buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1269         if (buf == NULL)
1270                 return -1;
1271
1272         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1273                                          wpabuf_len(buf));
1274         reply[res++] = '\n';
1275         reply[res] = '\0';
1276
1277         wpabuf_free(buf);
1278
1279         return res;
1280 }
1281 #endif /* CONFIG_P2P */
1282
1283
1284 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1285                                           char *cmd, char *reply,
1286                                           size_t max_len)
1287 {
1288         char *pos, *pos2;
1289         int ndef;
1290
1291         pos = os_strchr(cmd, ' ');
1292         if (pos == NULL)
1293                 return -1;
1294         *pos++ = '\0';
1295
1296         if (os_strcmp(cmd, "WPS") == 0)
1297                 ndef = 0;
1298         else if (os_strcmp(cmd, "NDEF") == 0)
1299                 ndef = 1;
1300         else
1301                 return -1;
1302
1303         pos2 = os_strchr(pos, ' ');
1304         if (pos2)
1305                 *pos2++ = '\0';
1306         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1307                 if (!ndef)
1308                         return -1;
1309                 return wpas_ctrl_nfc_get_handover_sel_wps(
1310                         wpa_s, reply, max_len, ndef,
1311                         os_strcmp(pos, "WPS-CR") == 0, pos2);
1312         }
1313
1314 #ifdef CONFIG_P2P
1315         if (os_strcmp(pos, "P2P-CR") == 0) {
1316                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1317                         wpa_s, reply, max_len, ndef, 0);
1318         }
1319
1320         if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1321                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1322                         wpa_s, reply, max_len, ndef, 1);
1323         }
1324 #endif /* CONFIG_P2P */
1325
1326         return -1;
1327 }
1328
1329
1330 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1331                                          char *cmd)
1332 {
1333         size_t len;
1334         struct wpabuf *req, *sel;
1335         int ret;
1336         char *pos, *role, *type, *pos2;
1337 #ifdef CONFIG_P2P
1338         char *freq;
1339         int forced_freq = 0;
1340
1341         freq = strstr(cmd, " freq=");
1342         if (freq) {
1343                 *freq = '\0';
1344                 freq += 6;
1345                 forced_freq = atoi(freq);
1346         }
1347 #endif /* CONFIG_P2P */
1348
1349         role = cmd;
1350         pos = os_strchr(role, ' ');
1351         if (pos == NULL) {
1352                 wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1353                 return -1;
1354         }
1355         *pos++ = '\0';
1356
1357         type = pos;
1358         pos = os_strchr(type, ' ');
1359         if (pos == NULL) {
1360                 wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1361                 return -1;
1362         }
1363         *pos++ = '\0';
1364
1365         pos2 = os_strchr(pos, ' ');
1366         if (pos2 == NULL) {
1367                 wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1368                 return -1;
1369         }
1370         *pos2++ = '\0';
1371
1372         len = os_strlen(pos);
1373         if (len & 0x01) {
1374                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1375                 return -1;
1376         }
1377         len /= 2;
1378
1379         req = wpabuf_alloc(len);
1380         if (req == NULL) {
1381                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1382                 return -1;
1383         }
1384         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1385                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1386                 wpabuf_free(req);
1387                 return -1;
1388         }
1389
1390         len = os_strlen(pos2);
1391         if (len & 0x01) {
1392                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1393                 wpabuf_free(req);
1394                 return -1;
1395         }
1396         len /= 2;
1397
1398         sel = wpabuf_alloc(len);
1399         if (sel == NULL) {
1400                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1401                 wpabuf_free(req);
1402                 return -1;
1403         }
1404         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1405                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1406                 wpabuf_free(req);
1407                 wpabuf_free(sel);
1408                 return -1;
1409         }
1410
1411         wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1412                    role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1413
1414         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1415                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1416 #ifdef CONFIG_AP
1417         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1418         {
1419                 ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1420                 if (ret < 0)
1421                         ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1422 #endif /* CONFIG_AP */
1423 #ifdef CONFIG_P2P
1424         } else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1425         {
1426                 ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1427         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1428         {
1429                 ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1430                                                    forced_freq);
1431 #endif /* CONFIG_P2P */
1432         } else {
1433                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1434                            "reported: role=%s type=%s", role, type);
1435                 ret = -1;
1436         }
1437         wpabuf_free(req);
1438         wpabuf_free(sel);
1439
1440         if (ret)
1441                 wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1442
1443         return ret;
1444 }
1445
1446 #endif /* CONFIG_WPS_NFC */
1447
1448
1449 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1450                                              char *cmd)
1451 {
1452         u8 bssid[ETH_ALEN];
1453         char *pin;
1454         char *new_ssid;
1455         char *new_auth;
1456         char *new_encr;
1457         char *new_key;
1458         struct wps_new_ap_settings ap;
1459
1460         pin = os_strchr(cmd, ' ');
1461         if (pin == NULL)
1462                 return -1;
1463         *pin++ = '\0';
1464
1465         if (hwaddr_aton(cmd, bssid)) {
1466                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1467                            cmd);
1468                 return -1;
1469         }
1470
1471         new_ssid = os_strchr(pin, ' ');
1472         if (new_ssid == NULL)
1473                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1474         *new_ssid++ = '\0';
1475
1476         new_auth = os_strchr(new_ssid, ' ');
1477         if (new_auth == NULL)
1478                 return -1;
1479         *new_auth++ = '\0';
1480
1481         new_encr = os_strchr(new_auth, ' ');
1482         if (new_encr == NULL)
1483                 return -1;
1484         *new_encr++ = '\0';
1485
1486         new_key = os_strchr(new_encr, ' ');
1487         if (new_key == NULL)
1488                 return -1;
1489         *new_key++ = '\0';
1490
1491         os_memset(&ap, 0, sizeof(ap));
1492         ap.ssid_hex = new_ssid;
1493         ap.auth = new_auth;
1494         ap.encr = new_encr;
1495         ap.key_hex = new_key;
1496         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1497 }
1498
1499
1500 #ifdef CONFIG_AP
1501 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1502                                                 char *cmd, char *buf,
1503                                                 size_t buflen)
1504 {
1505         int timeout = 300;
1506         char *pos;
1507         const char *pin_txt;
1508
1509         if (!wpa_s->ap_iface)
1510                 return -1;
1511
1512         pos = os_strchr(cmd, ' ');
1513         if (pos)
1514                 *pos++ = '\0';
1515
1516         if (os_strcmp(cmd, "disable") == 0) {
1517                 wpas_wps_ap_pin_disable(wpa_s);
1518                 return os_snprintf(buf, buflen, "OK\n");
1519         }
1520
1521         if (os_strcmp(cmd, "random") == 0) {
1522                 if (pos)
1523                         timeout = atoi(pos);
1524                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1525                 if (pin_txt == NULL)
1526                         return -1;
1527                 return os_snprintf(buf, buflen, "%s", pin_txt);
1528         }
1529
1530         if (os_strcmp(cmd, "get") == 0) {
1531                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1532                 if (pin_txt == NULL)
1533                         return -1;
1534                 return os_snprintf(buf, buflen, "%s", pin_txt);
1535         }
1536
1537         if (os_strcmp(cmd, "set") == 0) {
1538                 char *pin;
1539                 if (pos == NULL)
1540                         return -1;
1541                 pin = pos;
1542                 pos = os_strchr(pos, ' ');
1543                 if (pos) {
1544                         *pos++ = '\0';
1545                         timeout = atoi(pos);
1546                 }
1547                 if (os_strlen(pin) > buflen)
1548                         return -1;
1549                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1550                         return -1;
1551                 return os_snprintf(buf, buflen, "%s", pin);
1552         }
1553
1554         return -1;
1555 }
1556 #endif /* CONFIG_AP */
1557
1558
1559 #ifdef CONFIG_WPS_ER
1560 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1561                                                 char *cmd)
1562 {
1563         char *uuid = cmd, *pin, *pos;
1564         u8 addr_buf[ETH_ALEN], *addr = NULL;
1565         pin = os_strchr(uuid, ' ');
1566         if (pin == NULL)
1567                 return -1;
1568         *pin++ = '\0';
1569         pos = os_strchr(pin, ' ');
1570         if (pos) {
1571                 *pos++ = '\0';
1572                 if (hwaddr_aton(pos, addr_buf) == 0)
1573                         addr = addr_buf;
1574         }
1575         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1576 }
1577
1578
1579 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1580                                                   char *cmd)
1581 {
1582         char *uuid = cmd, *pin;
1583         pin = os_strchr(uuid, ' ');
1584         if (pin == NULL)
1585                 return -1;
1586         *pin++ = '\0';
1587         return wpas_wps_er_learn(wpa_s, uuid, pin);
1588 }
1589
1590
1591 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1592         struct wpa_supplicant *wpa_s, char *cmd)
1593 {
1594         char *uuid = cmd, *id;
1595         id = os_strchr(uuid, ' ');
1596         if (id == NULL)
1597                 return -1;
1598         *id++ = '\0';
1599         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1600 }
1601
1602
1603 static int wpa_supplicant_ctrl_iface_wps_er_config(
1604         struct wpa_supplicant *wpa_s, char *cmd)
1605 {
1606         char *pin;
1607         char *new_ssid;
1608         char *new_auth;
1609         char *new_encr;
1610         char *new_key;
1611         struct wps_new_ap_settings ap;
1612
1613         pin = os_strchr(cmd, ' ');
1614         if (pin == NULL)
1615                 return -1;
1616         *pin++ = '\0';
1617
1618         new_ssid = os_strchr(pin, ' ');
1619         if (new_ssid == NULL)
1620                 return -1;
1621         *new_ssid++ = '\0';
1622
1623         new_auth = os_strchr(new_ssid, ' ');
1624         if (new_auth == NULL)
1625                 return -1;
1626         *new_auth++ = '\0';
1627
1628         new_encr = os_strchr(new_auth, ' ');
1629         if (new_encr == NULL)
1630                 return -1;
1631         *new_encr++ = '\0';
1632
1633         new_key = os_strchr(new_encr, ' ');
1634         if (new_key == NULL)
1635                 return -1;
1636         *new_key++ = '\0';
1637
1638         os_memset(&ap, 0, sizeof(ap));
1639         ap.ssid_hex = new_ssid;
1640         ap.auth = new_auth;
1641         ap.encr = new_encr;
1642         ap.key_hex = new_key;
1643         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1644 }
1645
1646
1647 #ifdef CONFIG_WPS_NFC
1648 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1649         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1650 {
1651         int ndef;
1652         struct wpabuf *buf;
1653         int res;
1654         char *uuid;
1655
1656         uuid = os_strchr(cmd, ' ');
1657         if (uuid == NULL)
1658                 return -1;
1659         *uuid++ = '\0';
1660
1661         if (os_strcmp(cmd, "WPS") == 0)
1662                 ndef = 0;
1663         else if (os_strcmp(cmd, "NDEF") == 0)
1664                 ndef = 1;
1665         else
1666                 return -1;
1667
1668         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1669         if (buf == NULL)
1670                 return -1;
1671
1672         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1673                                          wpabuf_len(buf));
1674         reply[res++] = '\n';
1675         reply[res] = '\0';
1676
1677         wpabuf_free(buf);
1678
1679         return res;
1680 }
1681 #endif /* CONFIG_WPS_NFC */
1682 #endif /* CONFIG_WPS_ER */
1683
1684 #endif /* CONFIG_WPS */
1685
1686
1687 #ifdef CONFIG_IBSS_RSN
1688 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1689         struct wpa_supplicant *wpa_s, char *addr)
1690 {
1691         u8 peer[ETH_ALEN];
1692
1693         if (hwaddr_aton(addr, peer)) {
1694                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1695                            "address '%s'", addr);
1696                 return -1;
1697         }
1698
1699         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1700                    MAC2STR(peer));
1701
1702         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1703 }
1704 #endif /* CONFIG_IBSS_RSN */
1705
1706
1707 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1708                                               char *rsp)
1709 {
1710 #ifdef IEEE8021X_EAPOL
1711         char *pos, *id_pos;
1712         int id;
1713         struct wpa_ssid *ssid;
1714
1715         pos = os_strchr(rsp, '-');
1716         if (pos == NULL)
1717                 return -1;
1718         *pos++ = '\0';
1719         id_pos = pos;
1720         pos = os_strchr(pos, ':');
1721         if (pos == NULL)
1722                 return -1;
1723         *pos++ = '\0';
1724         id = atoi(id_pos);
1725         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1726         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1727                               (u8 *) pos, os_strlen(pos));
1728
1729         ssid = wpa_config_get_network(wpa_s->conf, id);
1730         if (ssid == NULL) {
1731                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1732                            "to update", id);
1733                 return -1;
1734         }
1735
1736         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1737                                                          pos);
1738 #else /* IEEE8021X_EAPOL */
1739         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1740         return -1;
1741 #endif /* IEEE8021X_EAPOL */
1742 }
1743
1744
1745 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1746                                             const char *params,
1747                                             char *buf, size_t buflen)
1748 {
1749         char *pos, *end, tmp[30];
1750         int res, verbose, wps, ret;
1751 #ifdef CONFIG_HS20
1752         const u8 *hs20;
1753 #endif /* CONFIG_HS20 */
1754         const u8 *sess_id;
1755         size_t sess_id_len;
1756
1757         if (os_strcmp(params, "-DRIVER") == 0)
1758                 return wpa_drv_status(wpa_s, buf, buflen);
1759         verbose = os_strcmp(params, "-VERBOSE") == 0;
1760         wps = os_strcmp(params, "-WPS") == 0;
1761         pos = buf;
1762         end = buf + buflen;
1763         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1764                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1765                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1766                                   MAC2STR(wpa_s->bssid));
1767                 if (os_snprintf_error(end - pos, ret))
1768                         return pos - buf;
1769                 pos += ret;
1770                 ret = os_snprintf(pos, end - pos, "freq=%u\n",
1771                                   wpa_s->assoc_freq);
1772                 if (os_snprintf_error(end - pos, ret))
1773                         return pos - buf;
1774                 pos += ret;
1775                 if (ssid) {
1776                         u8 *_ssid = ssid->ssid;
1777                         size_t ssid_len = ssid->ssid_len;
1778                         u8 ssid_buf[SSID_MAX_LEN];
1779                         if (ssid_len == 0) {
1780                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1781                                 if (_res < 0)
1782                                         ssid_len = 0;
1783                                 else
1784                                         ssid_len = _res;
1785                                 _ssid = ssid_buf;
1786                         }
1787                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1788                                           wpa_ssid_txt(_ssid, ssid_len),
1789                                           ssid->id);
1790                         if (os_snprintf_error(end - pos, ret))
1791                                 return pos - buf;
1792                         pos += ret;
1793
1794                         if (wps && ssid->passphrase &&
1795                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1796                             (ssid->mode == WPAS_MODE_AP ||
1797                              ssid->mode == WPAS_MODE_P2P_GO)) {
1798                                 ret = os_snprintf(pos, end - pos,
1799                                                   "passphrase=%s\n",
1800                                                   ssid->passphrase);
1801                                 if (os_snprintf_error(end - pos, ret))
1802                                         return pos - buf;
1803                                 pos += ret;
1804                         }
1805                         if (ssid->id_str) {
1806                                 ret = os_snprintf(pos, end - pos,
1807                                                   "id_str=%s\n",
1808                                                   ssid->id_str);
1809                                 if (os_snprintf_error(end - pos, ret))
1810                                         return pos - buf;
1811                                 pos += ret;
1812                         }
1813
1814                         switch (ssid->mode) {
1815                         case WPAS_MODE_INFRA:
1816                                 ret = os_snprintf(pos, end - pos,
1817                                                   "mode=station\n");
1818                                 break;
1819                         case WPAS_MODE_IBSS:
1820                                 ret = os_snprintf(pos, end - pos,
1821                                                   "mode=IBSS\n");
1822                                 break;
1823                         case WPAS_MODE_AP:
1824                                 ret = os_snprintf(pos, end - pos,
1825                                                   "mode=AP\n");
1826                                 break;
1827                         case WPAS_MODE_P2P_GO:
1828                                 ret = os_snprintf(pos, end - pos,
1829                                                   "mode=P2P GO\n");
1830                                 break;
1831                         case WPAS_MODE_P2P_GROUP_FORMATION:
1832                                 ret = os_snprintf(pos, end - pos,
1833                                                   "mode=P2P GO - group "
1834                                                   "formation\n");
1835                                 break;
1836                         default:
1837                                 ret = 0;
1838                                 break;
1839                         }
1840                         if (os_snprintf_error(end - pos, ret))
1841                                 return pos - buf;
1842                         pos += ret;
1843                 }
1844
1845 #ifdef CONFIG_AP
1846                 if (wpa_s->ap_iface) {
1847                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1848                                                             end - pos,
1849                                                             verbose);
1850                 } else
1851 #endif /* CONFIG_AP */
1852                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1853         }
1854 #ifdef CONFIG_SAE
1855         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1856 #ifdef CONFIG_AP
1857             !wpa_s->ap_iface &&
1858 #endif /* CONFIG_AP */
1859             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1860                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1861                                   wpa_s->sme.sae.group);
1862                 if (os_snprintf_error(end - pos, ret))
1863                         return pos - buf;
1864                 pos += ret;
1865         }
1866 #endif /* CONFIG_SAE */
1867         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1868                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1869         if (os_snprintf_error(end - pos, ret))
1870                 return pos - buf;
1871         pos += ret;
1872
1873         if (wpa_s->l2 &&
1874             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1875                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1876                 if (os_snprintf_error(end - pos, ret))
1877                         return pos - buf;
1878                 pos += ret;
1879         }
1880
1881 #ifdef CONFIG_P2P
1882         if (wpa_s->global->p2p) {
1883                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1884                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1885                 if (os_snprintf_error(end - pos, ret))
1886                         return pos - buf;
1887                 pos += ret;
1888         }
1889 #endif /* CONFIG_P2P */
1890
1891         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1892                           MAC2STR(wpa_s->own_addr));
1893         if (os_snprintf_error(end - pos, ret))
1894                 return pos - buf;
1895         pos += ret;
1896
1897 #ifdef CONFIG_HS20
1898         if (wpa_s->current_bss &&
1899             (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1900                                           HS20_IE_VENDOR_TYPE)) &&
1901             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1902             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1903                 int release = 1;
1904                 if (hs20[1] >= 5) {
1905                         u8 rel_num = (hs20[6] & 0xf0) >> 4;
1906                         release = rel_num + 1;
1907                 }
1908                 ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
1909                 if (os_snprintf_error(end - pos, ret))
1910                         return pos - buf;
1911                 pos += ret;
1912         }
1913
1914         if (wpa_s->current_ssid) {
1915                 struct wpa_cred *cred;
1916                 char *type;
1917
1918                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1919                         size_t i;
1920
1921                         if (wpa_s->current_ssid->parent_cred != cred)
1922                                 continue;
1923
1924                         if (cred->provisioning_sp) {
1925                                 ret = os_snprintf(pos, end - pos,
1926                                                   "provisioning_sp=%s\n",
1927                                                   cred->provisioning_sp);
1928                                 if (os_snprintf_error(end - pos, ret))
1929                                         return pos - buf;
1930                                 pos += ret;
1931                         }
1932
1933                         if (!cred->domain)
1934                                 goto no_domain;
1935
1936                         i = 0;
1937                         if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
1938                                 struct wpabuf *names =
1939                                         wpa_s->current_bss->anqp->domain_name;
1940                                 for (i = 0; names && i < cred->num_domain; i++)
1941                                 {
1942                                         if (domain_name_list_contains(
1943                                                     names, cred->domain[i], 1))
1944                                                 break;
1945                                 }
1946                                 if (i == cred->num_domain)
1947                                         i = 0; /* show first entry by default */
1948                         }
1949                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1950                                           cred->domain[i]);
1951                         if (os_snprintf_error(end - pos, ret))
1952                                 return pos - buf;
1953                         pos += ret;
1954
1955                 no_domain:
1956                         if (wpa_s->current_bss == NULL ||
1957                             wpa_s->current_bss->anqp == NULL)
1958                                 res = -1;
1959                         else
1960                                 res = interworking_home_sp_cred(
1961                                         wpa_s, cred,
1962                                         wpa_s->current_bss->anqp->domain_name);
1963                         if (res > 0)
1964                                 type = "home";
1965                         else if (res == 0)
1966                                 type = "roaming";
1967                         else
1968                                 type = "unknown";
1969
1970                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1971                         if (os_snprintf_error(end - pos, ret))
1972                                 return pos - buf;
1973                         pos += ret;
1974
1975                         break;
1976                 }
1977         }
1978 #endif /* CONFIG_HS20 */
1979
1980         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1981             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1982                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1983                                           verbose);
1984                 if (res >= 0)
1985                         pos += res;
1986         }
1987
1988         sess_id = eapol_sm_get_session_id(wpa_s->eapol, &sess_id_len);
1989         if (sess_id) {
1990                 char *start = pos;
1991
1992                 ret = os_snprintf(pos, end - pos, "eap_session_id=");
1993                 if (os_snprintf_error(end - pos, ret))
1994                         return start - buf;
1995                 pos += ret;
1996                 ret = wpa_snprintf_hex(pos, end - pos, sess_id, sess_id_len);
1997                 if (ret <= 0)
1998                         return start - buf;
1999                 pos += ret;
2000                 ret = os_snprintf(pos, end - pos, "\n");
2001                 if (os_snprintf_error(end - pos, ret))
2002                         return start - buf;
2003                 pos += ret;
2004         }
2005
2006         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
2007         if (res >= 0)
2008                 pos += res;
2009
2010 #ifdef CONFIG_WPS
2011         {
2012                 char uuid_str[100];
2013                 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
2014                 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
2015                 if (os_snprintf_error(end - pos, ret))
2016                         return pos - buf;
2017                 pos += ret;
2018         }
2019 #endif /* CONFIG_WPS */
2020
2021 #ifdef ANDROID
2022         /*
2023          * Allow using the STATUS command with default behavior, say for debug,
2024          * i.e., don't generate a "fake" CONNECTION and SUPPLICANT_STATE_CHANGE
2025          * events with STATUS-NO_EVENTS.
2026          */
2027         if (os_strcmp(params, "-NO_EVENTS")) {
2028                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
2029                              "id=%d state=%d BSSID=" MACSTR " SSID=%s",
2030                              wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
2031                              wpa_s->wpa_state,
2032                              MAC2STR(wpa_s->bssid),
2033                              wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
2034                              wpa_ssid_txt(wpa_s->current_ssid->ssid,
2035                                           wpa_s->current_ssid->ssid_len) : "");
2036                 if (wpa_s->wpa_state == WPA_COMPLETED) {
2037                         struct wpa_ssid *ssid = wpa_s->current_ssid;
2038                         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
2039                                      "- connection to " MACSTR
2040                                      " completed %s [id=%d id_str=%s]",
2041                                      MAC2STR(wpa_s->bssid), "(auth)",
2042                                      ssid ? ssid->id : -1,
2043                                      ssid && ssid->id_str ? ssid->id_str : "");
2044                 }
2045         }
2046 #endif /* ANDROID */
2047
2048         return pos - buf;
2049 }
2050
2051
2052 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
2053                                            char *cmd)
2054 {
2055         char *pos;
2056         int id;
2057         struct wpa_ssid *ssid;
2058         u8 bssid[ETH_ALEN];
2059
2060         /* cmd: "<network id> <BSSID>" */
2061         pos = os_strchr(cmd, ' ');
2062         if (pos == NULL)
2063                 return -1;
2064         *pos++ = '\0';
2065         id = atoi(cmd);
2066         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
2067         if (hwaddr_aton(pos, bssid)) {
2068                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
2069                 return -1;
2070         }
2071
2072         ssid = wpa_config_get_network(wpa_s->conf, id);
2073         if (ssid == NULL) {
2074                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
2075                            "to update", id);
2076                 return -1;
2077         }
2078
2079         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
2080         ssid->bssid_set = !is_zero_ether_addr(bssid);
2081
2082         return 0;
2083 }
2084
2085
2086 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
2087                                                char *cmd, char *buf,
2088                                                size_t buflen)
2089 {
2090         u8 bssid[ETH_ALEN];
2091         struct wpa_blacklist *e;
2092         char *pos, *end;
2093         int ret;
2094
2095         /* cmd: "BLACKLIST [<BSSID>]" */
2096         if (*cmd == '\0') {
2097                 pos = buf;
2098                 end = buf + buflen;
2099                 e = wpa_s->blacklist;
2100                 while (e) {
2101                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
2102                                           MAC2STR(e->bssid));
2103                         if (os_snprintf_error(end - pos, ret))
2104                                 return pos - buf;
2105                         pos += ret;
2106                         e = e->next;
2107                 }
2108                 return pos - buf;
2109         }
2110
2111         cmd++;
2112         if (os_strncmp(cmd, "clear", 5) == 0) {
2113                 wpa_blacklist_clear(wpa_s);
2114                 os_memcpy(buf, "OK\n", 3);
2115                 return 3;
2116         }
2117
2118         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
2119         if (hwaddr_aton(cmd, bssid)) {
2120                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
2121                 return -1;
2122         }
2123
2124         /*
2125          * Add the BSSID twice, so its count will be 2, causing it to be
2126          * skipped when processing scan results.
2127          */
2128         ret = wpa_blacklist_add(wpa_s, bssid);
2129         if (ret < 0)
2130                 return -1;
2131         ret = wpa_blacklist_add(wpa_s, bssid);
2132         if (ret < 0)
2133                 return -1;
2134         os_memcpy(buf, "OK\n", 3);
2135         return 3;
2136 }
2137
2138
2139 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
2140                                                char *cmd, char *buf,
2141                                                size_t buflen)
2142 {
2143         char *pos, *end, *stamp;
2144         int ret;
2145
2146         /* cmd: "LOG_LEVEL [<level>]" */
2147         if (*cmd == '\0') {
2148                 pos = buf;
2149                 end = buf + buflen;
2150                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
2151                                   "Timestamp: %d\n",
2152                                   debug_level_str(wpa_debug_level),
2153                                   wpa_debug_timestamp);
2154                 if (os_snprintf_error(end - pos, ret))
2155                         ret = 0;
2156
2157                 return ret;
2158         }
2159
2160         while (*cmd == ' ')
2161                 cmd++;
2162
2163         stamp = os_strchr(cmd, ' ');
2164         if (stamp) {
2165                 *stamp++ = '\0';
2166                 while (*stamp == ' ') {
2167                         stamp++;
2168                 }
2169         }
2170
2171         if (os_strlen(cmd)) {
2172                 int level = str_to_debug_level(cmd);
2173                 if (level < 0)
2174                         return -1;
2175                 wpa_debug_level = level;
2176         }
2177
2178         if (stamp && os_strlen(stamp))
2179                 wpa_debug_timestamp = atoi(stamp);
2180
2181         os_memcpy(buf, "OK\n", 3);
2182         return 3;
2183 }
2184
2185
2186 static int wpa_supplicant_ctrl_iface_list_networks(
2187         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2188 {
2189         char *pos, *end, *prev;
2190         struct wpa_ssid *ssid;
2191         int ret;
2192
2193         pos = buf;
2194         end = buf + buflen;
2195         ret = os_snprintf(pos, end - pos,
2196                           "network id / ssid / bssid / flags\n");
2197         if (os_snprintf_error(end - pos, ret))
2198                 return pos - buf;
2199         pos += ret;
2200
2201         ssid = wpa_s->conf->ssid;
2202
2203         /* skip over ssids until we find next one */
2204         if (cmd != NULL && os_strncmp(cmd, "LAST_ID=", 8) == 0) {
2205                 int last_id = atoi(cmd + 8);
2206                 if (last_id != -1) {
2207                         while (ssid != NULL && ssid->id <= last_id) {
2208                                 ssid = ssid->next;
2209                         }
2210                 }
2211         }
2212
2213         while (ssid) {
2214                 prev = pos;
2215                 ret = os_snprintf(pos, end - pos, "%d\t%s",
2216                                   ssid->id,
2217                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2218                 if (os_snprintf_error(end - pos, ret))
2219                         return prev - buf;
2220                 pos += ret;
2221                 if (ssid->bssid_set) {
2222                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2223                                           MAC2STR(ssid->bssid));
2224                 } else {
2225                         ret = os_snprintf(pos, end - pos, "\tany");
2226                 }
2227                 if (os_snprintf_error(end - pos, ret))
2228                         return prev - buf;
2229                 pos += ret;
2230                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2231                                   ssid == wpa_s->current_ssid ?
2232                                   "[CURRENT]" : "",
2233                                   ssid->disabled ? "[DISABLED]" : "",
2234                                   ssid->disabled_until.sec ?
2235                                   "[TEMP-DISABLED]" : "",
2236                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2237                                   "");
2238                 if (os_snprintf_error(end - pos, ret))
2239                         return prev - buf;
2240                 pos += ret;
2241                 ret = os_snprintf(pos, end - pos, "\n");
2242                 if (os_snprintf_error(end - pos, ret))
2243                         return prev - buf;
2244                 pos += ret;
2245
2246                 ssid = ssid->next;
2247         }
2248
2249         return pos - buf;
2250 }
2251
2252
2253 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2254 {
2255         int ret;
2256         ret = os_snprintf(pos, end - pos, "-");
2257         if (os_snprintf_error(end - pos, ret))
2258                 return pos;
2259         pos += ret;
2260         ret = wpa_write_ciphers(pos, end, cipher, "+");
2261         if (ret < 0)
2262                 return pos;
2263         pos += ret;
2264         return pos;
2265 }
2266
2267
2268 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2269                                     const u8 *ie, size_t ie_len)
2270 {
2271         struct wpa_ie_data data;
2272         char *start;
2273         int ret;
2274
2275         ret = os_snprintf(pos, end - pos, "[%s-", proto);
2276         if (os_snprintf_error(end - pos, ret))
2277                 return pos;
2278         pos += ret;
2279
2280         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2281                 ret = os_snprintf(pos, end - pos, "?]");
2282                 if (os_snprintf_error(end - pos, ret))
2283                         return pos;
2284                 pos += ret;
2285                 return pos;
2286         }
2287
2288         start = pos;
2289         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2290                 ret = os_snprintf(pos, end - pos, "%sEAP",
2291                                   pos == start ? "" : "+");
2292                 if (os_snprintf_error(end - pos, ret))
2293                         return pos;
2294                 pos += ret;
2295         }
2296         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2297                 ret = os_snprintf(pos, end - pos, "%sPSK",
2298                                   pos == start ? "" : "+");
2299                 if (os_snprintf_error(end - pos, ret))
2300                         return pos;
2301                 pos += ret;
2302         }
2303         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2304                 ret = os_snprintf(pos, end - pos, "%sNone",
2305                                   pos == start ? "" : "+");
2306                 if (os_snprintf_error(end - pos, ret))
2307                         return pos;
2308                 pos += ret;
2309         }
2310         if (data.key_mgmt & WPA_KEY_MGMT_SAE) {
2311                 ret = os_snprintf(pos, end - pos, "%sSAE",
2312                                   pos == start ? "" : "+");
2313                 if (os_snprintf_error(end - pos, ret))
2314                         return pos;
2315                 pos += ret;
2316         }
2317 #ifdef CONFIG_IEEE80211R
2318         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2319                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2320                                   pos == start ? "" : "+");
2321                 if (os_snprintf_error(end - pos, ret))
2322                         return pos;
2323                 pos += ret;
2324         }
2325         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2326                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2327                                   pos == start ? "" : "+");
2328                 if (os_snprintf_error(end - pos, ret))
2329                         return pos;
2330                 pos += ret;
2331         }
2332         if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) {
2333                 ret = os_snprintf(pos, end - pos, "%sFT/SAE",
2334                                   pos == start ? "" : "+");
2335                 if (os_snprintf_error(end - pos, ret))
2336                         return pos;
2337                 pos += ret;
2338         }
2339 #endif /* CONFIG_IEEE80211R */
2340 #ifdef CONFIG_IEEE80211W
2341         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2342                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2343                                   pos == start ? "" : "+");
2344                 if (os_snprintf_error(end - pos, ret))
2345                         return pos;
2346                 pos += ret;
2347         }
2348         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2349                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2350                                   pos == start ? "" : "+");
2351                 if (os_snprintf_error(end - pos, ret))
2352                         return pos;
2353                 pos += ret;
2354         }
2355 #endif /* CONFIG_IEEE80211W */
2356
2357 #ifdef CONFIG_SUITEB
2358         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
2359                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B",
2360                                   pos == start ? "" : "+");
2361                 if (os_snprintf_error(end - pos, ret))
2362                         return pos;
2363                 pos += ret;
2364         }
2365 #endif /* CONFIG_SUITEB */
2366
2367 #ifdef CONFIG_SUITEB192
2368         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
2369                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B-192",
2370                                   pos == start ? "" : "+");
2371                 if (os_snprintf_error(end - pos, ret))
2372                         return pos;
2373                 pos += ret;
2374         }
2375 #endif /* CONFIG_SUITEB192 */
2376
2377         if (data.key_mgmt & WPA_KEY_MGMT_OSEN) {
2378                 ret = os_snprintf(pos, end - pos, "%sOSEN",
2379                                   pos == start ? "" : "+");
2380                 if (os_snprintf_error(end - pos, ret))
2381                         return pos;
2382                 pos += ret;
2383         }
2384
2385         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2386
2387         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2388                 ret = os_snprintf(pos, end - pos, "-preauth");
2389                 if (os_snprintf_error(end - pos, ret))
2390                         return pos;
2391                 pos += ret;
2392         }
2393
2394         ret = os_snprintf(pos, end - pos, "]");
2395         if (os_snprintf_error(end - pos, ret))
2396                 return pos;
2397         pos += ret;
2398
2399         return pos;
2400 }
2401
2402
2403 #ifdef CONFIG_WPS
2404 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2405                                             char *pos, char *end,
2406                                             struct wpabuf *wps_ie)
2407 {
2408         int ret;
2409         const char *txt;
2410
2411         if (wps_ie == NULL)
2412                 return pos;
2413         if (wps_is_selected_pbc_registrar(wps_ie))
2414                 txt = "[WPS-PBC]";
2415         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2416                 txt = "[WPS-AUTH]";
2417         else if (wps_is_selected_pin_registrar(wps_ie))
2418                 txt = "[WPS-PIN]";
2419         else
2420                 txt = "[WPS]";
2421
2422         ret = os_snprintf(pos, end - pos, "%s", txt);
2423         if (!os_snprintf_error(end - pos, ret))
2424                 pos += ret;
2425         wpabuf_free(wps_ie);
2426         return pos;
2427 }
2428 #endif /* CONFIG_WPS */
2429
2430
2431 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2432                                         char *pos, char *end,
2433                                         const struct wpa_bss *bss)
2434 {
2435 #ifdef CONFIG_WPS
2436         struct wpabuf *wps_ie;
2437         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2438         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2439 #else /* CONFIG_WPS */
2440         return pos;
2441 #endif /* CONFIG_WPS */
2442 }
2443
2444
2445 /* Format one result on one text line into a buffer. */
2446 static int wpa_supplicant_ctrl_iface_scan_result(
2447         struct wpa_supplicant *wpa_s,
2448         const struct wpa_bss *bss, char *buf, size_t buflen)
2449 {
2450         char *pos, *end;
2451         int ret;
2452         const u8 *ie, *ie2, *osen_ie, *p2p, *mesh;
2453
2454         mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
2455         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2456         if (!p2p)
2457                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2458         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2459             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2460             0)
2461                 return 0; /* Do not show P2P listen discovery results here */
2462
2463         pos = buf;
2464         end = buf + buflen;
2465
2466         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2467                           MAC2STR(bss->bssid), bss->freq, bss->level);
2468         if (os_snprintf_error(end - pos, ret))
2469                 return -1;
2470         pos += ret;
2471         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2472         if (ie)
2473                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2474         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2475         if (ie2) {
2476                 pos = wpa_supplicant_ie_txt(pos, end, mesh ? "RSN" : "WPA2",
2477                                             ie2, 2 + ie2[1]);
2478         }
2479         osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
2480         if (osen_ie)
2481                 pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
2482                                             osen_ie, 2 + osen_ie[1]);
2483         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2484         if (!ie && !ie2 && !osen_ie && (bss->caps & IEEE80211_CAP_PRIVACY)) {
2485                 ret = os_snprintf(pos, end - pos, "[WEP]");
2486                 if (os_snprintf_error(end - pos, ret))
2487                         return -1;
2488                 pos += ret;
2489         }
2490         if (mesh) {
2491                 ret = os_snprintf(pos, end - pos, "[MESH]");
2492                 if (os_snprintf_error(end - pos, ret))
2493                         return -1;
2494                 pos += ret;
2495         }
2496         if (bss_is_dmg(bss)) {
2497                 const char *s;
2498                 ret = os_snprintf(pos, end - pos, "[DMG]");
2499                 if (os_snprintf_error(end - pos, ret))
2500                         return -1;
2501                 pos += ret;
2502                 switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
2503                 case IEEE80211_CAP_DMG_IBSS:
2504                         s = "[IBSS]";
2505                         break;
2506                 case IEEE80211_CAP_DMG_AP:
2507                         s = "[ESS]";
2508                         break;
2509                 case IEEE80211_CAP_DMG_PBSS:
2510                         s = "[PBSS]";
2511                         break;
2512                 default:
2513                         s = "";
2514                         break;
2515                 }
2516                 ret = os_snprintf(pos, end - pos, "%s", s);
2517                 if (os_snprintf_error(end - pos, ret))
2518                         return -1;
2519                 pos += ret;
2520         } else {
2521                 if (bss->caps & IEEE80211_CAP_IBSS) {
2522                         ret = os_snprintf(pos, end - pos, "[IBSS]");
2523                         if (os_snprintf_error(end - pos, ret))
2524                                 return -1;
2525                         pos += ret;
2526                 }
2527                 if (bss->caps & IEEE80211_CAP_ESS) {
2528                         ret = os_snprintf(pos, end - pos, "[ESS]");
2529                         if (os_snprintf_error(end - pos, ret))
2530                                 return -1;
2531                         pos += ret;
2532                 }
2533         }
2534         if (p2p) {
2535                 ret = os_snprintf(pos, end - pos, "[P2P]");
2536                 if (os_snprintf_error(end - pos, ret))
2537                         return -1;
2538                 pos += ret;
2539         }
2540 #ifdef CONFIG_HS20
2541         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2542                 ret = os_snprintf(pos, end - pos, "[HS20]");
2543                 if (os_snprintf_error(end - pos, ret))
2544                         return -1;
2545                 pos += ret;
2546         }
2547 #endif /* CONFIG_HS20 */
2548 #ifdef CONFIG_FST
2549         if (wpa_bss_get_ie(bss, WLAN_EID_MULTI_BAND)) {
2550                 ret = os_snprintf(pos, end - pos, "[FST]");
2551                 if (os_snprintf_error(end - pos, ret))
2552                         return -1;
2553                 pos += ret;
2554         }
2555 #endif /* CONFIG_FST */
2556
2557         ret = os_snprintf(pos, end - pos, "\t%s",
2558                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2559         if (os_snprintf_error(end - pos, ret))
2560                 return -1;
2561         pos += ret;
2562
2563         ret = os_snprintf(pos, end - pos, "\n");
2564         if (os_snprintf_error(end - pos, ret))
2565                 return -1;
2566         pos += ret;
2567
2568         return pos - buf;
2569 }
2570
2571
2572 static int wpa_supplicant_ctrl_iface_scan_results(
2573         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2574 {
2575         char *pos, *end;
2576         struct wpa_bss *bss;
2577         int ret;
2578
2579         pos = buf;
2580         end = buf + buflen;
2581         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2582                           "flags / ssid\n");
2583         if (os_snprintf_error(end - pos, ret))
2584                 return pos - buf;
2585         pos += ret;
2586
2587         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2588                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2589                                                             end - pos);
2590                 if (ret < 0 || ret >= end - pos)
2591                         return pos - buf;
2592                 pos += ret;
2593         }
2594
2595         return pos - buf;
2596 }
2597
2598
2599 #ifdef CONFIG_MESH
2600
2601 static int wpa_supplicant_ctrl_iface_mesh_interface_add(
2602         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
2603 {
2604         char *pos, ifname[IFNAMSIZ + 1];
2605
2606         ifname[0] = '\0';
2607
2608         pos = os_strstr(cmd, "ifname=");
2609         if (pos) {
2610                 pos += 7;
2611                 os_strlcpy(ifname, pos, sizeof(ifname));
2612         }
2613
2614         if (wpas_mesh_add_interface(wpa_s, ifname, sizeof(ifname)) < 0)
2615                 return -1;
2616
2617         os_strlcpy(reply, ifname, max_len);
2618         return os_strlen(ifname);
2619 }
2620
2621
2622 static int wpa_supplicant_ctrl_iface_mesh_group_add(
2623         struct wpa_supplicant *wpa_s, char *cmd)
2624 {
2625         int id;
2626         struct wpa_ssid *ssid;
2627
2628         id = atoi(cmd);
2629         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_ADD id=%d", id);
2630
2631         ssid = wpa_config_get_network(wpa_s->conf, id);
2632         if (ssid == NULL) {
2633                 wpa_printf(MSG_DEBUG,
2634                            "CTRL_IFACE: Could not find network id=%d", id);
2635                 return -1;
2636         }
2637         if (ssid->mode != WPAS_MODE_MESH) {
2638                 wpa_printf(MSG_DEBUG,
2639                            "CTRL_IFACE: Cannot use MESH_GROUP_ADD on a non mesh network");
2640                 return -1;
2641         }
2642         if (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
2643             ssid->key_mgmt != WPA_KEY_MGMT_SAE) {
2644                 wpa_printf(MSG_ERROR,
2645                            "CTRL_IFACE: key_mgmt for mesh network should be open or SAE");
2646                 return -1;
2647         }
2648
2649         /*
2650          * TODO: If necessary write our own group_add function,
2651          * for now we can reuse select_network
2652          */
2653         wpa_supplicant_select_network(wpa_s, ssid);
2654
2655         return 0;
2656 }
2657
2658
2659 static int wpa_supplicant_ctrl_iface_mesh_group_remove(
2660         struct wpa_supplicant *wpa_s, char *cmd)
2661 {
2662         struct wpa_supplicant *orig;
2663         struct wpa_global *global;
2664         int found = 0;
2665
2666         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s", cmd);
2667
2668         global = wpa_s->global;
2669         orig = wpa_s;
2670
2671         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2672                 if (os_strcmp(wpa_s->ifname, cmd) == 0) {
2673                         found = 1;
2674                         break;
2675                 }
2676         }
2677         if (!found) {
2678                 wpa_printf(MSG_ERROR,
2679                            "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s not found",
2680                            cmd);
2681                 return -1;
2682         }
2683         if (wpa_s->mesh_if_created && wpa_s == orig) {
2684                 wpa_printf(MSG_ERROR,
2685                            "CTRL_IFACE: MESH_GROUP_REMOVE can't remove itself");
2686                 return -1;
2687         }
2688
2689         wpa_s->reassociate = 0;
2690         wpa_s->disconnected = 1;
2691         wpa_supplicant_cancel_sched_scan(wpa_s);
2692         wpa_supplicant_cancel_scan(wpa_s);
2693
2694         /*
2695          * TODO: If necessary write our own group_remove function,
2696          * for now we can reuse deauthenticate
2697          */
2698         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2699
2700         if (wpa_s->mesh_if_created)
2701                 wpa_supplicant_remove_iface(global, wpa_s, 0);
2702
2703         return 0;
2704 }
2705
2706 #endif /* CONFIG_MESH */
2707
2708
2709 static int wpa_supplicant_ctrl_iface_select_network(
2710         struct wpa_supplicant *wpa_s, char *cmd)
2711 {
2712         int id;
2713         struct wpa_ssid *ssid;
2714         char *pos;
2715
2716         /* cmd: "<network id>" or "any" */
2717         if (os_strncmp(cmd, "any", 3) == 0) {
2718                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2719                 ssid = NULL;
2720         } else {
2721                 id = atoi(cmd);
2722                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2723
2724                 ssid = wpa_config_get_network(wpa_s->conf, id);
2725                 if (ssid == NULL) {
2726                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2727                                    "network id=%d", id);
2728                         return -1;
2729                 }
2730                 if (ssid->disabled == 2) {
2731                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2732                                    "SELECT_NETWORK with persistent P2P group");
2733                         return -1;
2734                 }
2735         }
2736
2737         pos = os_strstr(cmd, " freq=");
2738         if (pos) {
2739                 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2740                 if (freqs) {
2741                         wpa_s->scan_req = MANUAL_SCAN_REQ;
2742                         os_free(wpa_s->manual_scan_freqs);
2743                         wpa_s->manual_scan_freqs = freqs;
2744                 }
2745         }
2746
2747         wpa_s->scan_min_time.sec = 0;
2748         wpa_s->scan_min_time.usec = 0;
2749         wpa_supplicant_select_network(wpa_s, ssid);
2750
2751         return 0;
2752 }
2753
2754
2755 static int wpa_supplicant_ctrl_iface_enable_network(
2756         struct wpa_supplicant *wpa_s, char *cmd)
2757 {
2758         int id;
2759         struct wpa_ssid *ssid;
2760
2761         /* cmd: "<network id>" or "all" */
2762         if (os_strcmp(cmd, "all") == 0) {
2763                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2764                 ssid = NULL;
2765         } else {
2766                 id = atoi(cmd);
2767                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2768
2769                 ssid = wpa_config_get_network(wpa_s->conf, id);
2770                 if (ssid == NULL) {
2771                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2772                                    "network id=%d", id);
2773                         return -1;
2774                 }
2775                 if (ssid->disabled == 2) {
2776                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2777                                    "ENABLE_NETWORK with persistent P2P group");
2778                         return -1;
2779                 }
2780
2781                 if (os_strstr(cmd, " no-connect")) {
2782                         ssid->disabled = 0;
2783                         return 0;
2784                 }
2785         }
2786         wpa_s->scan_min_time.sec = 0;
2787         wpa_s->scan_min_time.usec = 0;
2788         wpa_supplicant_enable_network(wpa_s, ssid);
2789
2790         return 0;
2791 }
2792
2793
2794 static int wpa_supplicant_ctrl_iface_disable_network(
2795         struct wpa_supplicant *wpa_s, char *cmd)
2796 {
2797         int id;
2798         struct wpa_ssid *ssid;
2799
2800         /* cmd: "<network id>" or "all" */
2801         if (os_strcmp(cmd, "all") == 0) {
2802                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2803                 ssid = NULL;
2804         } else {
2805                 id = atoi(cmd);
2806                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2807
2808                 ssid = wpa_config_get_network(wpa_s->conf, id);
2809                 if (ssid == NULL) {
2810                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2811                                    "network id=%d", id);
2812                         return -1;
2813                 }
2814                 if (ssid->disabled == 2) {
2815                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2816                                    "DISABLE_NETWORK with persistent P2P "
2817                                    "group");
2818                         return -1;
2819                 }
2820         }
2821         wpa_supplicant_disable_network(wpa_s, ssid);
2822
2823         return 0;
2824 }
2825
2826
2827 static int wpa_supplicant_ctrl_iface_add_network(
2828         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2829 {
2830         struct wpa_ssid *ssid;
2831         int ret;
2832
2833         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2834
2835         ssid = wpa_config_add_network(wpa_s->conf);
2836         if (ssid == NULL)
2837                 return -1;
2838
2839         wpas_notify_network_added(wpa_s, ssid);
2840
2841         ssid->disabled = 1;
2842         wpa_config_set_network_defaults(ssid);
2843
2844         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2845         if (os_snprintf_error(buflen, ret))
2846                 return -1;
2847         return ret;
2848 }
2849
2850
2851 static int wpa_supplicant_ctrl_iface_remove_network(
2852         struct wpa_supplicant *wpa_s, char *cmd)
2853 {
2854         int id;
2855         struct wpa_ssid *ssid;
2856         int was_disabled;
2857
2858         /* cmd: "<network id>" or "all" */
2859         if (os_strcmp(cmd, "all") == 0) {
2860                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2861                 if (wpa_s->sched_scanning)
2862                         wpa_supplicant_cancel_sched_scan(wpa_s);
2863
2864                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2865                 if (wpa_s->current_ssid) {
2866 #ifdef CONFIG_SME
2867                         wpa_s->sme.prev_bssid_set = 0;
2868 #endif /* CONFIG_SME */
2869                         wpa_sm_set_config(wpa_s->wpa, NULL);
2870                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2871                         if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2872                                 wpa_s->own_disconnect_req = 1;
2873                         wpa_supplicant_deauthenticate(
2874                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2875                 }
2876                 ssid = wpa_s->conf->ssid;
2877                 while (ssid) {
2878                         struct wpa_ssid *remove_ssid = ssid;
2879                         id = ssid->id;
2880                         ssid = ssid->next;
2881                         if (wpa_s->last_ssid == remove_ssid)
2882                                 wpa_s->last_ssid = NULL;
2883                         wpas_notify_network_removed(wpa_s, remove_ssid);
2884                         wpa_config_remove_network(wpa_s->conf, id);
2885                 }
2886                 return 0;
2887         }
2888
2889         id = atoi(cmd);
2890         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2891
2892         ssid = wpa_config_get_network(wpa_s->conf, id);
2893         if (ssid)
2894                 wpas_notify_network_removed(wpa_s, ssid);
2895         if (ssid == NULL) {
2896                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2897                            "id=%d", id);
2898                 return -1;
2899         }
2900
2901         if (wpa_s->last_ssid == ssid)
2902                 wpa_s->last_ssid = NULL;
2903
2904         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2905 #ifdef CONFIG_SME
2906                 wpa_s->sme.prev_bssid_set = 0;
2907 #endif /* CONFIG_SME */
2908                 /*
2909                  * Invalidate the EAP session cache if the current or
2910                  * previously used network is removed.
2911                  */
2912                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2913         }
2914
2915         if (ssid == wpa_s->current_ssid) {
2916                 wpa_sm_set_config(wpa_s->wpa, NULL);
2917                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2918
2919                 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2920                         wpa_s->own_disconnect_req = 1;
2921                 wpa_supplicant_deauthenticate(wpa_s,
2922                                               WLAN_REASON_DEAUTH_LEAVING);
2923         }
2924
2925         was_disabled = ssid->disabled;
2926
2927         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2928                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2929                            "network id=%d", id);
2930                 return -1;
2931         }
2932
2933         if (!was_disabled && wpa_s->sched_scanning) {
2934                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2935                            "network from filters");
2936                 wpa_supplicant_cancel_sched_scan(wpa_s);
2937                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2938         }
2939
2940         return 0;
2941 }
2942
2943
2944 static int wpa_supplicant_ctrl_iface_update_network(
2945         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
2946         char *name, char *value)
2947 {
2948         if (wpa_config_set(ssid, name, value, 0) < 0) {
2949                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2950                            "variable '%s'", name);
2951                 return -1;
2952         }
2953
2954         if (os_strcmp(name, "bssid") != 0 &&
2955             os_strcmp(name, "priority") != 0)
2956                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2957
2958         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2959                 /*
2960                  * Invalidate the EAP session cache if anything in the current
2961                  * or previously used configuration changes.
2962                  */
2963                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2964         }
2965
2966         if ((os_strcmp(name, "psk") == 0 &&
2967              value[0] == '"' && ssid->ssid_len) ||
2968             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2969                 wpa_config_update_psk(ssid);
2970         else if (os_strcmp(name, "priority") == 0)
2971                 wpa_config_update_prio_list(wpa_s->conf);
2972
2973         return 0;
2974 }
2975
2976
2977 static int wpa_supplicant_ctrl_iface_set_network(
2978         struct wpa_supplicant *wpa_s, char *cmd)
2979 {
2980         int id, ret, prev_bssid_set, prev_disabled;
2981         struct wpa_ssid *ssid;
2982         char *name, *value;
2983         u8 prev_bssid[ETH_ALEN];
2984
2985         /* cmd: "<network id> <variable name> <value>" */
2986         name = os_strchr(cmd, ' ');
2987         if (name == NULL)
2988                 return -1;
2989         *name++ = '\0';
2990
2991         value = os_strchr(name, ' ');
2992         if (value == NULL)
2993                 return -1;
2994         *value++ = '\0';
2995
2996         id = atoi(cmd);
2997         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2998                    id, name);
2999         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3000                               (u8 *) value, os_strlen(value));
3001
3002         ssid = wpa_config_get_network(wpa_s->conf, id);
3003         if (ssid == NULL) {
3004                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3005                            "id=%d", id);
3006                 return -1;
3007         }
3008
3009         prev_bssid_set = ssid->bssid_set;
3010         prev_disabled = ssid->disabled;
3011         os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
3012         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
3013                                                        value);
3014         if (ret == 0 &&
3015             (ssid->bssid_set != prev_bssid_set ||
3016              os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
3017                 wpas_notify_network_bssid_set_changed(wpa_s, ssid);
3018
3019         if (prev_disabled != ssid->disabled &&
3020             (prev_disabled == 2 || ssid->disabled == 2))
3021                 wpas_notify_network_type_changed(wpa_s, ssid);
3022
3023         return ret;
3024 }
3025
3026
3027 static int wpa_supplicant_ctrl_iface_get_network(
3028         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
3029 {
3030         int id;
3031         size_t res;
3032         struct wpa_ssid *ssid;
3033         char *name, *value;
3034
3035         /* cmd: "<network id> <variable name>" */
3036         name = os_strchr(cmd, ' ');
3037         if (name == NULL || buflen == 0)
3038                 return -1;
3039         *name++ = '\0';
3040
3041         id = atoi(cmd);
3042         wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
3043                    id, name);
3044
3045         ssid = wpa_config_get_network(wpa_s->conf, id);
3046         if (ssid == NULL) {
3047                 wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: Could not find network "
3048                            "id=%d", id);
3049                 return -1;
3050         }
3051
3052         value = wpa_config_get_no_key(ssid, name);
3053         if (value == NULL) {
3054                 wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: Failed to get network "
3055                            "variable '%s'", name);
3056                 return -1;
3057         }
3058
3059         res = os_strlcpy(buf, value, buflen);
3060         if (res >= buflen) {
3061                 os_free(value);
3062                 return -1;
3063         }
3064
3065         os_free(value);
3066
3067         return res;
3068 }
3069
3070
3071 static int wpa_supplicant_ctrl_iface_dup_network(
3072         struct wpa_supplicant *wpa_s, char *cmd,
3073         struct wpa_supplicant *dst_wpa_s)
3074 {
3075         struct wpa_ssid *ssid_s, *ssid_d;
3076         char *name, *id, *value;
3077         int id_s, id_d, ret;
3078
3079         /* cmd: "<src network id> <dst network id> <variable name>" */
3080         id = os_strchr(cmd, ' ');
3081         if (id == NULL)
3082                 return -1;
3083         *id++ = '\0';
3084
3085         name = os_strchr(id, ' ');
3086         if (name == NULL)
3087                 return -1;
3088         *name++ = '\0';
3089
3090         id_s = atoi(cmd);
3091         id_d = atoi(id);
3092
3093         wpa_printf(MSG_DEBUG,
3094                    "CTRL_IFACE: DUP_NETWORK ifname=%s->%s id=%d->%d name='%s'",
3095                    wpa_s->ifname, dst_wpa_s->ifname, id_s, id_d, name);
3096
3097         ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
3098         if (ssid_s == NULL) {
3099                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3100                            "network id=%d", id_s);
3101                 return -1;
3102         }
3103
3104         ssid_d = wpa_config_get_network(dst_wpa_s->conf, id_d);
3105         if (ssid_d == NULL) {
3106                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3107                            "network id=%d", id_d);
3108                 return -1;
3109         }
3110
3111         value = wpa_config_get(ssid_s, name);
3112         if (value == NULL) {
3113                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3114                            "variable '%s'", name);
3115                 return -1;
3116         }
3117
3118         ret = wpa_supplicant_ctrl_iface_update_network(dst_wpa_s, ssid_d, name,
3119                                                        value);
3120
3121         os_free(value);
3122
3123         return ret;
3124 }
3125
3126
3127 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
3128                                                 char *buf, size_t buflen)
3129 {
3130         char *pos, *end;
3131         struct wpa_cred *cred;
3132         int ret;
3133
3134         pos = buf;
3135         end = buf + buflen;
3136         ret = os_snprintf(pos, end - pos,
3137                           "cred id / realm / username / domain / imsi\n");
3138         if (os_snprintf_error(end - pos, ret))
3139                 return pos - buf;
3140         pos += ret;
3141
3142         cred = wpa_s->conf->cred;
3143         while (cred) {
3144                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
3145                                   cred->id, cred->realm ? cred->realm : "",
3146                                   cred->username ? cred->username : "",
3147                                   cred->domain ? cred->domain[0] : "",
3148                                   cred->imsi ? cred->imsi : "");
3149                 if (os_snprintf_error(end - pos, ret))
3150                         return pos - buf;
3151                 pos += ret;
3152
3153                 cred = cred->next;
3154         }
3155
3156         return pos - buf;
3157 }
3158
3159
3160 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
3161                                               char *buf, size_t buflen)
3162 {
3163         struct wpa_cred *cred;
3164         int ret;
3165
3166         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
3167
3168         cred = wpa_config_add_cred(wpa_s->conf);
3169         if (cred == NULL)
3170                 return -1;
3171
3172         wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
3173
3174         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
3175         if (os_snprintf_error(buflen, ret))
3176                 return -1;
3177         return ret;
3178 }
3179
3180
3181 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
3182                                  struct wpa_cred *cred)
3183 {
3184         struct wpa_ssid *ssid;
3185         char str[20];
3186         int id;
3187
3188         if (cred == NULL) {
3189                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3190                 return -1;
3191         }
3192
3193         id = cred->id;
3194         if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
3195                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3196                 return -1;
3197         }
3198
3199         wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
3200
3201         /* Remove any network entry created based on the removed credential */
3202         ssid = wpa_s->conf->ssid;
3203         while (ssid) {
3204                 if (ssid->parent_cred == cred) {
3205                         int res;
3206
3207                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
3208                                    "used the removed credential", ssid->id);
3209                         res = os_snprintf(str, sizeof(str), "%d", ssid->id);
3210                         if (os_snprintf_error(sizeof(str), res))
3211                                 str[sizeof(str) - 1] = '\0';
3212                         ssid = ssid->next;
3213                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
3214                 } else
3215                         ssid = ssid->next;
3216         }
3217
3218         return 0;
3219 }
3220
3221
3222 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
3223                                                  char *cmd)
3224 {
3225         int id;
3226         struct wpa_cred *cred, *prev;
3227
3228         /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
3229          * "provisioning_sp=<FQDN> */
3230         if (os_strcmp(cmd, "all") == 0) {
3231                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
3232                 cred = wpa_s->conf->cred;
3233                 while (cred) {
3234                         prev = cred;
3235                         cred = cred->next;
3236                         wpas_ctrl_remove_cred(wpa_s, prev);
3237                 }
3238                 return 0;
3239         }
3240
3241         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
3242                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
3243                            cmd + 8);
3244                 cred = wpa_s->conf->cred;
3245                 while (cred) {
3246                         prev = cred;
3247                         cred = cred->next;
3248                         if (prev->domain) {
3249                                 size_t i;
3250                                 for (i = 0; i < prev->num_domain; i++) {
3251                                         if (os_strcmp(prev->domain[i], cmd + 8)
3252                                             != 0)
3253                                                 continue;
3254                                         wpas_ctrl_remove_cred(wpa_s, prev);
3255                                         break;
3256                                 }
3257                         }
3258                 }
3259                 return 0;
3260         }
3261
3262         if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
3263                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
3264                            cmd + 16);
3265                 cred = wpa_s->conf->cred;
3266                 while (cred) {
3267                         prev = cred;
3268                         cred = cred->next;
3269                         if (prev->provisioning_sp &&
3270                             os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
3271                                 wpas_ctrl_remove_cred(wpa_s, prev);
3272                 }
3273                 return 0;
3274         }
3275
3276         id = atoi(cmd);
3277         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
3278
3279         cred = wpa_config_get_cred(wpa_s->conf, id);
3280         return wpas_ctrl_remove_cred(wpa_s, cred);
3281 }
3282
3283
3284 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
3285                                               char *cmd)
3286 {
3287         int id;
3288         struct wpa_cred *cred;
3289         char *name, *value;
3290
3291         /* cmd: "<cred id> <variable name> <value>" */
3292         name = os_strchr(cmd, ' ');
3293         if (name == NULL)
3294                 return -1;
3295         *name++ = '\0';
3296
3297         value = os_strchr(name, ' ');
3298         if (value == NULL)
3299                 return -1;
3300         *value++ = '\0';
3301
3302         id = atoi(cmd);
3303         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
3304                    id, name);
3305         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3306                               (u8 *) value, os_strlen(value));
3307
3308         cred = wpa_config_get_cred(wpa_s->conf, id);
3309         if (cred == NULL) {
3310                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3311                            id);
3312                 return -1;
3313         }
3314
3315         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
3316                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
3317                            "variable '%s'", name);
3318                 return -1;
3319         }
3320
3321         wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
3322
3323         return 0;
3324 }
3325
3326
3327 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
3328                                               char *cmd, char *buf,
3329                                               size_t buflen)
3330 {
3331         int id;
3332         size_t res;
3333         struct wpa_cred *cred;
3334         char *name, *value;
3335
3336         /* cmd: "<cred id> <variable name>" */
3337         name = os_strchr(cmd, ' ');
3338         if (name == NULL)
3339                 return -1;
3340         *name++ = '\0';
3341
3342         id = atoi(cmd);
3343         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
3344                    id, name);
3345
3346         cred = wpa_config_get_cred(wpa_s->conf, id);
3347         if (cred == NULL) {
3348                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3349                            id);
3350                 return -1;
3351         }
3352
3353         value = wpa_config_get_cred_no_key(cred, name);
3354         if (value == NULL) {
3355                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
3356                            name);
3357                 return -1;
3358         }
3359
3360         res = os_strlcpy(buf, value, buflen);
3361         if (res >= buflen) {
3362                 os_free(value);
3363                 return -1;
3364         }
3365
3366         os_free(value);
3367
3368         return res;
3369 }
3370
3371
3372 #ifndef CONFIG_NO_CONFIG_WRITE
3373 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3374 {
3375         int ret;
3376
3377         if (!wpa_s->conf->update_config) {
3378                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3379                            "to update configuration (update_config=0)");
3380                 return -1;
3381         }
3382
3383         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3384         if (ret) {
3385                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3386                            "update configuration");
3387         } else {
3388                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3389                            " updated");
3390         }
3391
3392         return ret;
3393 }
3394 #endif /* CONFIG_NO_CONFIG_WRITE */
3395
3396
3397 struct cipher_info {
3398         unsigned int capa;
3399         const char *name;
3400         int group_only;
3401 };
3402
3403 static const struct cipher_info ciphers[] = {
3404         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3405         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3406         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3407         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3408         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3409         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3410         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3411         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3412 };
3413
3414 static const struct cipher_info ciphers_group_mgmt[] = {
3415         { WPA_DRIVER_CAPA_ENC_BIP, "AES-128-CMAC", 1 },
3416         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_128, "BIP-GMAC-128", 1 },
3417         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_256, "BIP-GMAC-256", 1 },
3418         { WPA_DRIVER_CAPA_ENC_BIP_CMAC_256, "BIP-CMAC-256", 1 },
3419 };
3420
3421
3422 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3423                                               struct wpa_driver_capa *capa,
3424                                               char *buf, size_t buflen)
3425 {
3426         int ret;
3427         char *pos, *end;
3428         size_t len;
3429         unsigned int i;
3430
3431         pos = buf;
3432         end = pos + buflen;
3433
3434         if (res < 0) {
3435                 if (strict)
3436                         return 0;
3437                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3438                 if (len >= buflen)
3439                         return -1;
3440                 return len;
3441         }
3442
3443         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3444                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3445                         ret = os_snprintf(pos, end - pos, "%s%s",
3446                                           pos == buf ? "" : " ",
3447                                           ciphers[i].name);
3448                         if (os_snprintf_error(end - pos, ret))
3449                                 return pos - buf;
3450                         pos += ret;
3451                 }
3452         }
3453
3454         return pos - buf;
3455 }
3456
3457
3458 static int ctrl_iface_get_capability_group(int res, char *strict,
3459                                            struct wpa_driver_capa *capa,
3460                                            char *buf, size_t buflen)
3461 {
3462         int ret;
3463         char *pos, *end;
3464         size_t len;
3465         unsigned int i;
3466
3467         pos = buf;
3468         end = pos + buflen;
3469
3470         if (res < 0) {
3471                 if (strict)
3472                         return 0;
3473                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3474                 if (len >= buflen)
3475                         return -1;
3476                 return len;
3477         }
3478
3479         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3480                 if (capa->enc & ciphers[i].capa) {
3481                         ret = os_snprintf(pos, end - pos, "%s%s",
3482                                           pos == buf ? "" : " ",
3483                                           ciphers[i].name);
3484                         if (os_snprintf_error(end - pos, ret))
3485                                 return pos - buf;
3486                         pos += ret;
3487                 }
3488         }
3489
3490         return pos - buf;
3491 }
3492
3493
3494 static int ctrl_iface_get_capability_group_mgmt(int res, char *strict,
3495                                                 struct wpa_driver_capa *capa,
3496                                                 char *buf, size_t buflen)
3497 {
3498         int ret;
3499         char *pos, *end;
3500         unsigned int i;
3501
3502         pos = buf;
3503         end = pos + buflen;
3504
3505         if (res < 0)
3506                 return 0;
3507
3508         for (i = 0; i < ARRAY_SIZE(ciphers_group_mgmt); i++) {
3509                 if (capa->enc & ciphers_group_mgmt[i].capa) {
3510                         ret = os_snprintf(pos, end - pos, "%s%s",
3511                                           pos == buf ? "" : " ",
3512                                           ciphers_group_mgmt[i].name);
3513                         if (os_snprintf_error(end - pos, ret))
3514                                 return pos - buf;
3515                         pos += ret;
3516                 }
3517         }
3518
3519         return pos - buf;
3520 }
3521
3522
3523 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3524                                               struct wpa_driver_capa *capa,
3525                                               char *buf, size_t buflen)
3526 {
3527         int ret;
3528         char *pos, *end;
3529         size_t len;
3530
3531         pos = buf;
3532         end = pos + buflen;
3533
3534         if (res < 0) {
3535                 if (strict)
3536                         return 0;
3537                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3538                                  "NONE", buflen);
3539                 if (len >= buflen)
3540                         return -1;
3541                 return len;
3542         }
3543
3544         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3545         if (os_snprintf_error(end - pos, ret))
3546                 return pos - buf;
3547         pos += ret;
3548
3549         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3550                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3551                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3552                 if (os_snprintf_error(end - pos, ret))
3553                         return pos - buf;
3554                 pos += ret;
3555         }
3556
3557         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3558                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3559                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3560                 if (os_snprintf_error(end - pos, ret))
3561                         return pos - buf;
3562                 pos += ret;
3563         }
3564
3565         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3566                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3567                 if (os_snprintf_error(end - pos, ret))
3568                         return pos - buf;
3569                 pos += ret;
3570         }
3571
3572 #ifdef CONFIG_SUITEB
3573         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B) {
3574                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B");
3575                 if (os_snprintf_error(end - pos, ret))
3576                         return pos - buf;
3577                 pos += ret;
3578         }
3579 #endif /* CONFIG_SUITEB */
3580 #ifdef CONFIG_SUITEB192
3581         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192) {
3582                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B-192");
3583                 if (os_snprintf_error(end - pos, ret))
3584                         return pos - buf;
3585                 pos += ret;
3586         }
3587 #endif /* CONFIG_SUITEB192 */
3588
3589         return pos - buf;
3590 }
3591
3592
3593 static int ctrl_iface_get_capability_proto(int res, char *strict,
3594                                            struct wpa_driver_capa *capa,
3595                                            char *buf, size_t buflen)
3596 {
3597         int ret;
3598         char *pos, *end;
3599         size_t len;
3600
3601         pos = buf;
3602         end = pos + buflen;
3603
3604         if (res < 0) {
3605                 if (strict)
3606                         return 0;
3607                 len = os_strlcpy(buf, "RSN WPA", buflen);
3608                 if (len >= buflen)
3609                         return -1;
3610                 return len;
3611         }
3612
3613         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3614                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3615                 ret = os_snprintf(pos, end - pos, "%sRSN",
3616                                   pos == buf ? "" : " ");
3617                 if (os_snprintf_error(end - pos, ret))
3618                         return pos - buf;
3619                 pos += ret;
3620         }
3621
3622         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3623                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3624                 ret = os_snprintf(pos, end - pos, "%sWPA",
3625                                   pos == buf ? "" : " ");
3626                 if (os_snprintf_error(end - pos, ret))
3627                         return pos - buf;
3628                 pos += ret;
3629         }
3630
3631         return pos - buf;
3632 }
3633
3634
3635 static int ctrl_iface_get_capability_auth_alg(struct wpa_supplicant *wpa_s,
3636                                               int res, char *strict,
3637                                               struct wpa_driver_capa *capa,
3638                                               char *buf, size_t buflen)
3639 {
3640         int ret;
3641         char *pos, *end;
3642         size_t len;
3643
3644         pos = buf;
3645         end = pos + buflen;
3646
3647         if (res < 0) {
3648                 if (strict)
3649                         return 0;
3650                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3651                 if (len >= buflen)
3652                         return -1;
3653                 return len;
3654         }
3655
3656         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3657                 ret = os_snprintf(pos, end - pos, "%sOPEN",
3658                                   pos == buf ? "" : " ");
3659                 if (os_snprintf_error(end - pos, ret))
3660                         return pos - buf;
3661                 pos += ret;
3662         }
3663
3664         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3665                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3666                                   pos == buf ? "" : " ");
3667                 if (os_snprintf_error(end - pos, ret))
3668                         return pos - buf;
3669                 pos += ret;
3670         }
3671
3672         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3673                 ret = os_snprintf(pos, end - pos, "%sLEAP",
3674                                   pos == buf ? "" : " ");
3675                 if (os_snprintf_error(end - pos, ret))
3676                         return pos - buf;
3677                 pos += ret;
3678         }
3679
3680 #ifdef CONFIG_SAE
3681         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE) {
3682                 ret = os_snprintf(pos, end - pos, "%sSAE",
3683                                   pos == buf ? "" : " ");
3684                 if (os_snprintf_error(end - pos, ret))
3685                         return pos - buf;
3686                 pos += ret;
3687         }
3688 #endif /* CONFIG_SAE */
3689
3690         return pos - buf;
3691 }
3692
3693
3694 static int ctrl_iface_get_capability_modes(int res, char *strict,
3695                                            struct wpa_driver_capa *capa,
3696                                            char *buf, size_t buflen)
3697 {
3698         int ret;
3699         char *pos, *end;
3700         size_t len;
3701
3702         pos = buf;
3703         end = pos + buflen;
3704
3705         if (res < 0) {
3706                 if (strict)
3707                         return 0;
3708                 len = os_strlcpy(buf, "IBSS AP", buflen);
3709                 if (len >= buflen)
3710                         return -1;
3711                 return len;
3712         }
3713
3714         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3715                 ret = os_snprintf(pos, end - pos, "%sIBSS",
3716                                   pos == buf ? "" : " ");
3717                 if (os_snprintf_error(end - pos, ret))
3718                         return pos - buf;
3719                 pos += ret;
3720         }
3721
3722         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3723                 ret = os_snprintf(pos, end - pos, "%sAP",
3724                                   pos == buf ? "" : " ");
3725                 if (os_snprintf_error(end - pos, ret))
3726                         return pos - buf;
3727                 pos += ret;
3728         }
3729
3730 #ifdef CONFIG_MESH
3731         if (capa->flags & WPA_DRIVER_FLAGS_MESH) {
3732                 ret = os_snprintf(pos, end - pos, "%sMESH",
3733                                   pos == buf ? "" : " ");
3734                 if (os_snprintf_error(end - pos, ret))
3735                         return pos - buf;
3736                 pos += ret;
3737         }
3738 #endif /* CONFIG_MESH */
3739
3740         return pos - buf;
3741 }
3742
3743
3744 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3745                                               char *buf, size_t buflen)
3746 {
3747         struct hostapd_channel_data *chnl;
3748         int ret, i, j;
3749         char *pos, *end, *hmode;
3750
3751         pos = buf;
3752         end = pos + buflen;
3753
3754         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3755                 switch (wpa_s->hw.modes[j].mode) {
3756                 case HOSTAPD_MODE_IEEE80211B:
3757                         hmode = "B";
3758                         break;
3759                 case HOSTAPD_MODE_IEEE80211G:
3760                         hmode = "G";
3761                         break;
3762                 case HOSTAPD_MODE_IEEE80211A:
3763                         hmode = "A";
3764                         break;
3765                 case HOSTAPD_MODE_IEEE80211AD:
3766                         hmode = "AD";
3767                         break;
3768                 default:
3769                         continue;
3770                 }
3771                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3772                 if (os_snprintf_error(end - pos, ret))
3773                         return pos - buf;
3774                 pos += ret;
3775                 chnl = wpa_s->hw.modes[j].channels;
3776                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3777                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3778                                 continue;
3779                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3780                         if (os_snprintf_error(end - pos, ret))
3781                                 return pos - buf;
3782                         pos += ret;
3783                 }
3784                 ret = os_snprintf(pos, end - pos, "\n");
3785                 if (os_snprintf_error(end - pos, ret))
3786                         return pos - buf;
3787                 pos += ret;
3788         }
3789
3790         return pos - buf;
3791 }
3792
3793
3794 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3795                                           char *buf, size_t buflen)
3796 {
3797         struct hostapd_channel_data *chnl;
3798         int ret, i, j;
3799         char *pos, *end, *hmode;
3800
3801         pos = buf;
3802         end = pos + buflen;
3803
3804         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3805                 switch (wpa_s->hw.modes[j].mode) {
3806                 case HOSTAPD_MODE_IEEE80211B:
3807                         hmode = "B";
3808                         break;
3809                 case HOSTAPD_MODE_IEEE80211G:
3810                         hmode = "G";
3811                         break;
3812                 case HOSTAPD_MODE_IEEE80211A:
3813                         hmode = "A";
3814                         break;
3815                 case HOSTAPD_MODE_IEEE80211AD:
3816                         hmode = "AD";
3817                         break;
3818                 default:
3819                         continue;
3820                 }
3821                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3822                                   hmode);
3823                 if (os_snprintf_error(end - pos, ret))
3824                         return pos - buf;
3825                 pos += ret;
3826                 chnl = wpa_s->hw.modes[j].channels;
3827                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3828                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3829                                 continue;
3830                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3831                                           chnl[i].chan, chnl[i].freq,
3832                                           chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
3833                                           " (NO_IR)" : "",
3834                                           chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3835                                           " (DFS)" : "");
3836
3837                         if (os_snprintf_error(end - pos, ret))
3838                                 return pos - buf;
3839                         pos += ret;
3840                 }
3841                 ret = os_snprintf(pos, end - pos, "\n");
3842                 if (os_snprintf_error(end - pos, ret))
3843                         return pos - buf;
3844                 pos += ret;
3845         }
3846
3847         return pos - buf;
3848 }
3849
3850
3851 static int wpa_supplicant_ctrl_iface_get_capability(
3852         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3853         size_t buflen)
3854 {
3855         struct wpa_driver_capa capa;
3856         int res;
3857         char *strict;
3858         char field[30];
3859         size_t len;
3860
3861         /* Determine whether or not strict checking was requested */
3862         len = os_strlcpy(field, _field, sizeof(field));
3863         if (len >= sizeof(field))
3864                 return -1;
3865         strict = os_strchr(field, ' ');
3866         if (strict != NULL) {
3867                 *strict++ = '\0';
3868                 if (os_strcmp(strict, "strict") != 0)
3869                         return -1;
3870         }
3871
3872         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3873                 field, strict ? strict : "");
3874
3875         if (os_strcmp(field, "eap") == 0) {
3876                 return eap_get_names(buf, buflen);
3877         }
3878
3879         res = wpa_drv_get_capa(wpa_s, &capa);
3880
3881         if (os_strcmp(field, "pairwise") == 0)
3882                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3883                                                           buf, buflen);
3884
3885         if (os_strcmp(field, "group") == 0)
3886                 return ctrl_iface_get_capability_group(res, strict, &capa,
3887                                                        buf, buflen);
3888
3889         if (os_strcmp(field, "group_mgmt") == 0)
3890                 return ctrl_iface_get_capability_group_mgmt(res, strict, &capa,
3891                                                             buf, buflen);
3892
3893         if (os_strcmp(field, "key_mgmt") == 0)
3894                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3895                                                           buf, buflen);
3896
3897         if (os_strcmp(field, "proto") == 0)
3898                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3899                                                        buf, buflen);
3900
3901         if (os_strcmp(field, "auth_alg") == 0)
3902                 return ctrl_iface_get_capability_auth_alg(wpa_s, res, strict,
3903                                                           &capa, buf, buflen);
3904
3905         if (os_strcmp(field, "modes") == 0)
3906                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3907                                                        buf, buflen);
3908
3909         if (os_strcmp(field, "channels") == 0)
3910                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3911
3912         if (os_strcmp(field, "freq") == 0)
3913                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3914
3915 #ifdef CONFIG_TDLS
3916         if (os_strcmp(field, "tdls") == 0)
3917                 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3918 #endif /* CONFIG_TDLS */
3919
3920 #ifdef CONFIG_ERP
3921         if (os_strcmp(field, "erp") == 0) {
3922                 res = os_snprintf(buf, buflen, "ERP");
3923                 if (os_snprintf_error(buflen, res))
3924                         return -1;
3925                 return res;
3926         }
3927 #endif /* CONFIG_EPR */
3928
3929 #ifdef CONFIG_FIPS
3930         if (os_strcmp(field, "fips") == 0) {
3931                 res = os_snprintf(buf, buflen, "FIPS");
3932                 if (os_snprintf_error(buflen, res))
3933                         return -1;
3934                 return res;
3935         }
3936 #endif /* CONFIG_FIPS */
3937
3938         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3939                    field);
3940
3941         return -1;
3942 }
3943
3944
3945 #ifdef CONFIG_INTERWORKING
3946 static char * anqp_add_hex(char *pos, char *end, const char *title,
3947                            struct wpabuf *data)
3948 {
3949         char *start = pos;
3950         size_t i;
3951         int ret;
3952         const u8 *d;
3953
3954         if (data == NULL)
3955                 return start;
3956
3957         ret = os_snprintf(pos, end - pos, "%s=", title);
3958         if (os_snprintf_error(end - pos, ret))
3959                 return start;
3960         pos += ret;
3961
3962         d = wpabuf_head_u8(data);
3963         for (i = 0; i < wpabuf_len(data); i++) {
3964                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3965                 if (os_snprintf_error(end - pos, ret))
3966                         return start;
3967                 pos += ret;
3968         }
3969
3970         ret = os_snprintf(pos, end - pos, "\n");
3971         if (os_snprintf_error(end - pos, ret))
3972                 return start;
3973         pos += ret;
3974
3975         return pos;
3976 }
3977 #endif /* CONFIG_INTERWORKING */
3978
3979
3980 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3981                           unsigned long mask, char *buf, size_t buflen)
3982 {
3983         size_t i;
3984         int ret;
3985         char *pos, *end;
3986         const u8 *ie, *ie2, *osen_ie;
3987
3988         pos = buf;
3989         end = buf + buflen;
3990
3991         if (mask & WPA_BSS_MASK_ID) {
3992                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3993                 if (os_snprintf_error(end - pos, ret))
3994                         return 0;
3995                 pos += ret;
3996         }
3997
3998         if (mask & WPA_BSS_MASK_BSSID) {
3999                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
4000                                   MAC2STR(bss->bssid));
4001                 if (os_snprintf_error(end - pos, ret))
4002                         return 0;
4003                 pos += ret;
4004         }
4005
4006         if (mask & WPA_BSS_MASK_FREQ) {
4007                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
4008                 if (os_snprintf_error(end - pos, ret))
4009                         return 0;
4010                 pos += ret;
4011         }
4012
4013         if (mask & WPA_BSS_MASK_BEACON_INT) {
4014                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
4015                                   bss->beacon_int);
4016                 if (os_snprintf_error(end - pos, ret))
4017                         return 0;
4018                 pos += ret;
4019         }
4020
4021         if (mask & WPA_BSS_MASK_CAPABILITIES) {
4022                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
4023                                   bss->caps);
4024                 if (os_snprintf_error(end - pos, ret))
4025                         return 0;
4026                 pos += ret;
4027         }
4028
4029         if (mask & WPA_BSS_MASK_QUAL) {
4030                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
4031                 if (os_snprintf_error(end - pos, ret))
4032                         return 0;
4033                 pos += ret;
4034         }
4035
4036         if (mask & WPA_BSS_MASK_NOISE) {
4037                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
4038                 if (os_snprintf_error(end - pos, ret))
4039                         return 0;
4040                 pos += ret;
4041         }
4042
4043         if (mask & WPA_BSS_MASK_LEVEL) {
4044                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
4045                 if (os_snprintf_error(end - pos, ret))
4046                         return 0;
4047                 pos += ret;
4048         }
4049
4050         if (mask & WPA_BSS_MASK_TSF) {
4051                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
4052                                   (unsigned long long) bss->tsf);
4053                 if (os_snprintf_error(end - pos, ret))
4054                         return 0;
4055                 pos += ret;
4056         }
4057
4058         if (mask & WPA_BSS_MASK_AGE) {
4059                 struct os_reltime now;
4060
4061                 os_get_reltime(&now);
4062                 ret = os_snprintf(pos, end - pos, "age=%d\n",
4063                                   (int) (now.sec - bss->last_update.sec));
4064                 if (os_snprintf_error(end - pos, ret))
4065                         return 0;
4066                 pos += ret;
4067         }
4068
4069         if (mask & WPA_BSS_MASK_IE) {
4070                 ret = os_snprintf(pos, end - pos, "ie=");
4071                 if (os_snprintf_error(end - pos, ret))
4072                         return 0;
4073                 pos += ret;
4074
4075                 ie = (const u8 *) (bss + 1);
4076                 for (i = 0; i < bss->ie_len; i++) {
4077                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4078                         if (os_snprintf_error(end - pos, ret))
4079                                 return 0;
4080                         pos += ret;
4081                 }
4082
4083                 ret = os_snprintf(pos, end - pos, "\n");
4084                 if (os_snprintf_error(end - pos, ret))
4085                         return 0;
4086                 pos += ret;
4087         }
4088
4089         if (mask & WPA_BSS_MASK_FLAGS) {
4090                 ret = os_snprintf(pos, end - pos, "flags=");
4091                 if (os_snprintf_error(end - pos, ret))
4092                         return 0;
4093                 pos += ret;
4094
4095                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
4096                 if (ie)
4097                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
4098                                                     2 + ie[1]);
4099                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4100                 if (ie2)
4101                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
4102                                                     2 + ie2[1]);
4103                 osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
4104                 if (osen_ie)
4105                         pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
4106                                                     osen_ie, 2 + osen_ie[1]);
4107                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
4108                 if (!ie && !ie2 && !osen_ie &&
4109                     (bss->caps & IEEE80211_CAP_PRIVACY)) {
4110                         ret = os_snprintf(pos, end - pos, "[WEP]");
4111                         if (os_snprintf_error(end - pos, ret))
4112                                 return 0;
4113                         pos += ret;
4114                 }
4115                 if (bss_is_dmg(bss)) {
4116                         const char *s;
4117                         ret = os_snprintf(pos, end - pos, "[DMG]");
4118                         if (os_snprintf_error(end - pos, ret))
4119                                 return 0;
4120                         pos += ret;
4121                         switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
4122                         case IEEE80211_CAP_DMG_IBSS:
4123                                 s = "[IBSS]";
4124                                 break;
4125                         case IEEE80211_CAP_DMG_AP:
4126                                 s = "[ESS]";
4127                                 break;
4128                         case IEEE80211_CAP_DMG_PBSS:
4129                                 s = "[PBSS]";
4130                                 break;
4131                         default:
4132                                 s = "";
4133                                 break;
4134                         }
4135                         ret = os_snprintf(pos, end - pos, "%s", s);
4136                         if (os_snprintf_error(end - pos, ret))
4137                                 return 0;
4138                         pos += ret;
4139                 } else {
4140                         if (bss->caps & IEEE80211_CAP_IBSS) {
4141                                 ret = os_snprintf(pos, end - pos, "[IBSS]");
4142                                 if (os_snprintf_error(end - pos, ret))
4143                                         return 0;
4144                                 pos += ret;
4145                         }
4146                         if (bss->caps & IEEE80211_CAP_ESS) {
4147                                 ret = os_snprintf(pos, end - pos, "[ESS]");
4148                                 if (os_snprintf_error(end - pos, ret))
4149                                         return 0;
4150                                 pos += ret;
4151                         }
4152                 }
4153                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
4154                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
4155                         ret = os_snprintf(pos, end - pos, "[P2P]");
4156                         if (os_snprintf_error(end - pos, ret))
4157                                 return 0;
4158                         pos += ret;
4159                 }
4160 #ifdef CONFIG_HS20
4161                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
4162                         ret = os_snprintf(pos, end - pos, "[HS20]");
4163                         if (os_snprintf_error(end - pos, ret))
4164                                 return 0;
4165                         pos += ret;
4166                 }
4167 #endif /* CONFIG_HS20 */
4168
4169                 ret = os_snprintf(pos, end - pos, "\n");
4170                 if (os_snprintf_error(end - pos, ret))
4171                         return 0;
4172                 pos += ret;
4173         }
4174
4175         if (mask & WPA_BSS_MASK_SSID) {
4176                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
4177                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
4178                 if (os_snprintf_error(end - pos, ret))
4179                         return 0;
4180                 pos += ret;
4181         }
4182
4183 #ifdef CONFIG_WPS
4184         if (mask & WPA_BSS_MASK_WPS_SCAN) {
4185                 ie = (const u8 *) (bss + 1);
4186                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
4187                 if (ret >= end - pos)
4188                         return 0;
4189                 if (ret > 0)
4190                         pos += ret;
4191         }
4192 #endif /* CONFIG_WPS */
4193
4194 #ifdef CONFIG_P2P
4195         if (mask & WPA_BSS_MASK_P2P_SCAN) {
4196                 ie = (const u8 *) (bss + 1);
4197                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
4198                 if (ret < 0 || ret >= end - pos)
4199                         return 0;
4200                 pos += ret;
4201         }
4202 #endif /* CONFIG_P2P */
4203
4204 #ifdef CONFIG_WIFI_DISPLAY
4205         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
4206                 struct wpabuf *wfd;
4207                 ie = (const u8 *) (bss + 1);
4208                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
4209                                                   WFD_IE_VENDOR_TYPE);
4210                 if (wfd) {
4211                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
4212                         if (os_snprintf_error(end - pos, ret)) {
4213                                 wpabuf_free(wfd);
4214                                 return 0;
4215                         }
4216                         pos += ret;
4217
4218                         pos += wpa_snprintf_hex(pos, end - pos,
4219                                                 wpabuf_head(wfd),
4220                                                 wpabuf_len(wfd));
4221                         wpabuf_free(wfd);
4222
4223                         ret = os_snprintf(pos, end - pos, "\n");
4224                         if (os_snprintf_error(end - pos, ret))
4225                                 return 0;
4226                         pos += ret;
4227                 }
4228         }
4229 #endif /* CONFIG_WIFI_DISPLAY */
4230
4231 #ifdef CONFIG_INTERWORKING
4232         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
4233                 struct wpa_bss_anqp *anqp = bss->anqp;
4234                 struct wpa_bss_anqp_elem *elem;
4235
4236                 pos = anqp_add_hex(pos, end, "anqp_capability_list",
4237                                    anqp->capability_list);
4238                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
4239                                    anqp->venue_name);
4240                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4241                                    anqp->network_auth_type);
4242                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4243                                    anqp->roaming_consortium);
4244                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4245                                    anqp->ip_addr_type_availability);
4246                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4247                                    anqp->nai_realm);
4248                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4249                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
4250                                    anqp->domain_name);
4251 #ifdef CONFIG_HS20
4252                 pos = anqp_add_hex(pos, end, "hs20_capability_list",
4253                                    anqp->hs20_capability_list);
4254                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4255                                    anqp->hs20_operator_friendly_name);
4256                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4257                                    anqp->hs20_wan_metrics);
4258                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4259                                    anqp->hs20_connection_capability);
4260                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
4261                                    anqp->hs20_operating_class);
4262                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4263                                    anqp->hs20_osu_providers_list);
4264 #endif /* CONFIG_HS20 */
4265
4266                 dl_list_for_each(elem, &anqp->anqp_elems,
4267                                  struct wpa_bss_anqp_elem, list) {
4268                         char title[20];
4269
4270                         os_snprintf(title, sizeof(title), "anqp[%u]",
4271                                     elem->infoid);
4272                         pos = anqp_add_hex(pos, end, title, elem->payload);
4273                 }
4274         }
4275 #endif /* CONFIG_INTERWORKING */
4276
4277 #ifdef CONFIG_MESH
4278         if (mask & WPA_BSS_MASK_MESH_SCAN) {
4279                 ie = (const u8 *) (bss + 1);
4280                 ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4281                 if (ret < 0 || ret >= end - pos)
4282                         return 0;
4283                 pos += ret;
4284         }
4285 #endif /* CONFIG_MESH */
4286
4287         if (mask & WPA_BSS_MASK_SNR) {
4288                 ret = os_snprintf(pos, end - pos, "snr=%d\n", bss->snr);
4289                 if (os_snprintf_error(end - pos, ret))
4290                         return 0;
4291                 pos += ret;
4292         }
4293
4294         if (mask & WPA_BSS_MASK_EST_THROUGHPUT) {
4295                 ret = os_snprintf(pos, end - pos, "est_throughput=%d\n",
4296                                   bss->est_throughput);
4297                 if (os_snprintf_error(end - pos, ret))
4298                         return 0;
4299                 pos += ret;
4300         }
4301
4302 #ifdef CONFIG_FST
4303         if (mask & WPA_BSS_MASK_FST) {
4304                 ret = fst_ctrl_iface_mb_info(bss->bssid, pos, end - pos);
4305                 if (ret < 0 || ret >= end - pos)
4306                         return 0;
4307                 pos += ret;
4308         }
4309 #endif /* CONFIG_FST */
4310
4311         if (mask & WPA_BSS_MASK_DELIM) {
4312                 ret = os_snprintf(pos, end - pos, "====\n");
4313                 if (os_snprintf_error(end - pos, ret))
4314                         return 0;
4315                 pos += ret;
4316         }
4317
4318         return pos - buf;
4319 }
4320
4321
4322 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
4323                                          const char *cmd, char *buf,
4324                                          size_t buflen)
4325 {
4326         u8 bssid[ETH_ALEN];
4327         size_t i;
4328         struct wpa_bss *bss;
4329         struct wpa_bss *bsslast = NULL;
4330         struct dl_list *next;
4331         int ret = 0;
4332         int len;
4333         char *ctmp, *end = buf + buflen;
4334         unsigned long mask = WPA_BSS_MASK_ALL;
4335
4336         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
4337                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
4338                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
4339                                             list_id);
4340                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
4341                                                list_id);
4342                 } else { /* N1-N2 */
4343                         unsigned int id1, id2;
4344
4345                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
4346                                 wpa_printf(MSG_INFO, "Wrong BSS range "
4347                                            "format");
4348                                 return 0;
4349                         }
4350
4351                         if (*(cmd + 6) == '-')
4352                                 id1 = 0;
4353                         else
4354                                 id1 = atoi(cmd + 6);
4355                         ctmp++;
4356                         if (*ctmp >= '0' && *ctmp <= '9')
4357                                 id2 = atoi(ctmp);
4358                         else
4359                                 id2 = (unsigned int) -1;
4360                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4361                         if (id2 == (unsigned int) -1)
4362                                 bsslast = dl_list_last(&wpa_s->bss_id,
4363                                                        struct wpa_bss,
4364                                                        list_id);
4365                         else {
4366                                 bsslast = wpa_bss_get_id(wpa_s, id2);
4367                                 if (bsslast == NULL && bss && id2 > id1) {
4368                                         struct wpa_bss *tmp = bss;
4369                                         for (;;) {
4370                                                 next = tmp->list_id.next;
4371                                                 if (next == &wpa_s->bss_id)
4372                                                         break;
4373                                                 tmp = dl_list_entry(
4374                                                         next, struct wpa_bss,
4375                                                         list_id);
4376                                                 if (tmp->id > id2)
4377                                                         break;
4378                                                 bsslast = tmp;
4379                                         }
4380                                 }
4381                         }
4382                 }
4383         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
4384                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4385         else if (os_strncmp(cmd, "LAST", 4) == 0)
4386                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4387         else if (os_strncmp(cmd, "ID-", 3) == 0) {
4388                 i = atoi(cmd + 3);
4389                 bss = wpa_bss_get_id(wpa_s, i);
4390         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4391                 i = atoi(cmd + 5);
4392                 bss = wpa_bss_get_id(wpa_s, i);
4393                 if (bss) {
4394                         next = bss->list_id.next;
4395                         if (next == &wpa_s->bss_id)
4396                                 bss = NULL;
4397                         else
4398                                 bss = dl_list_entry(next, struct wpa_bss,
4399                                                     list_id);
4400                 }
4401 #ifdef CONFIG_P2P
4402         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4403                 if (hwaddr_aton(cmd + 13, bssid) == 0)
4404                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4405                 else
4406                         bss = NULL;
4407 #endif /* CONFIG_P2P */
4408         } else if (hwaddr_aton(cmd, bssid) == 0)
4409                 bss = wpa_bss_get_bssid(wpa_s, bssid);
4410         else {
4411                 struct wpa_bss *tmp;
4412                 i = atoi(cmd);
4413                 bss = NULL;
4414                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4415                 {
4416                         if (i-- == 0) {
4417                                 bss = tmp;
4418                                 break;
4419                         }
4420                 }
4421         }
4422
4423         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4424                 mask = strtoul(ctmp + 5, NULL, 0x10);
4425                 if (mask == 0)
4426                         mask = WPA_BSS_MASK_ALL;
4427         }
4428
4429         if (bss == NULL)
4430                 return 0;
4431
4432         if (bsslast == NULL)
4433                 bsslast = bss;
4434         do {
4435                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4436                 ret += len;
4437                 buf += len;
4438                 buflen -= len;
4439                 if (bss == bsslast) {
4440                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
4441                             (bss == dl_list_last(&wpa_s->bss_id,
4442                                                  struct wpa_bss, list_id))) {
4443                                 int res;
4444
4445                                 res = os_snprintf(buf - 5, end - buf + 5,
4446                                                   "####\n");
4447                                 if (os_snprintf_error(end - buf + 5, res)) {
4448                                         wpa_printf(MSG_DEBUG,
4449                                                    "Could not add end delim");
4450                                 }
4451                         }
4452                         break;
4453                 }
4454                 next = bss->list_id.next;
4455                 if (next == &wpa_s->bss_id)
4456                         break;
4457                 bss = dl_list_entry(next, struct wpa_bss, list_id);
4458         } while (bss && len);
4459
4460         return ret;
4461 }
4462
4463
4464 static int wpa_supplicant_ctrl_iface_ap_scan(
4465         struct wpa_supplicant *wpa_s, char *cmd)
4466 {
4467         int ap_scan = atoi(cmd);
4468         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4469 }
4470
4471
4472 static int wpa_supplicant_ctrl_iface_scan_interval(
4473         struct wpa_supplicant *wpa_s, char *cmd)
4474 {
4475         int scan_int = atoi(cmd);
4476         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4477 }
4478
4479
4480 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4481         struct wpa_supplicant *wpa_s, char *cmd)
4482 {
4483         int expire_age = atoi(cmd);
4484         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4485 }
4486
4487
4488 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4489         struct wpa_supplicant *wpa_s, char *cmd)
4490 {
4491         int expire_count = atoi(cmd);
4492         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4493 }
4494
4495
4496 static void wpa_supplicant_ctrl_iface_bss_flush(
4497         struct wpa_supplicant *wpa_s, char *cmd)
4498 {
4499         int flush_age = atoi(cmd);
4500
4501         if (flush_age == 0)
4502                 wpa_bss_flush(wpa_s);
4503         else
4504                 wpa_bss_flush_by_age(wpa_s, flush_age);
4505 }
4506
4507
4508 #ifdef CONFIG_TESTING_OPTIONS
4509 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4510 {
4511         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4512         /* MLME-DELETEKEYS.request */
4513         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4514         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4515         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4516         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4517 #ifdef CONFIG_IEEE80211W
4518         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4519         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4520 #endif /* CONFIG_IEEE80211W */
4521
4522         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4523                         0);
4524         /* MLME-SETPROTECTION.request(None) */
4525         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4526                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4527                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4528         wpa_sm_drop_sa(wpa_s->wpa);
4529 }
4530 #endif /* CONFIG_TESTING_OPTIONS */
4531
4532
4533 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4534                                           char *addr)
4535 {
4536 #ifdef CONFIG_NO_SCAN_PROCESSING
4537         return -1;
4538 #else /* CONFIG_NO_SCAN_PROCESSING */
4539         u8 bssid[ETH_ALEN];
4540         struct wpa_bss *bss;
4541         struct wpa_ssid *ssid = wpa_s->current_ssid;
4542
4543         if (hwaddr_aton(addr, bssid)) {
4544                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4545                            "address '%s'", addr);
4546                 return -1;
4547         }
4548
4549         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4550
4551         if (!ssid) {
4552                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4553                            "configuration known for the target AP");
4554                 return -1;
4555         }
4556
4557         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4558         if (!bss) {
4559                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4560                            "from BSS table");
4561                 return -1;
4562         }
4563
4564         /*
4565          * TODO: Find best network configuration block from configuration to
4566          * allow roaming to other networks
4567          */
4568
4569         wpa_s->reassociate = 1;
4570         wpa_supplicant_connect(wpa_s, bss, ssid);
4571
4572         return 0;
4573 #endif /* CONFIG_NO_SCAN_PROCESSING */
4574 }
4575
4576
4577 #ifdef CONFIG_P2P
4578 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4579 {
4580         unsigned int timeout = atoi(cmd);
4581         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4582         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4583         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4584         char *pos;
4585         unsigned int search_delay;
4586         const char *_seek[P2P_MAX_QUERY_HASH + 1], **seek = NULL;
4587         u8 seek_count = 0;
4588         int freq = 0;
4589
4590         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4591                 wpa_dbg(wpa_s, MSG_INFO,
4592                         "Reject P2P_FIND since interface is disabled");
4593                 return -1;
4594         }
4595         if (os_strstr(cmd, "type=social"))
4596                 type = P2P_FIND_ONLY_SOCIAL;
4597         else if (os_strstr(cmd, "type=progressive"))
4598                 type = P2P_FIND_PROGRESSIVE;
4599
4600         pos = os_strstr(cmd, "dev_id=");
4601         if (pos) {
4602                 pos += 7;
4603                 if (hwaddr_aton(pos, dev_id))
4604                         return -1;
4605                 _dev_id = dev_id;
4606         }
4607
4608         pos = os_strstr(cmd, "dev_type=");
4609         if (pos) {
4610                 pos += 9;
4611                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4612                         return -1;
4613                 _dev_type = dev_type;
4614         }
4615
4616         pos = os_strstr(cmd, "delay=");
4617         if (pos) {
4618                 pos += 6;
4619                 search_delay = atoi(pos);
4620         } else
4621                 search_delay = wpas_p2p_search_delay(wpa_s);
4622
4623         pos = os_strstr(cmd, "freq=");
4624         if (pos) {
4625                 pos += 5;
4626                 freq = atoi(pos);
4627                 if (freq <= 0)
4628                         return -1;
4629         }
4630
4631         /* Must be searched for last, because it adds nul termination */
4632         pos = os_strstr(cmd, " seek=");
4633         if (pos)
4634                 pos += 6;
4635         while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
4636                 char *term;
4637
4638                 _seek[seek_count++] = pos;
4639                 seek = _seek;
4640                 term = os_strchr(pos, ' ');
4641                 if (!term)
4642                         break;
4643                 *term = '\0';
4644                 pos = os_strstr(term + 1, "seek=");
4645                 if (pos)
4646                         pos += 5;
4647         }
4648         if (seek_count > P2P_MAX_QUERY_HASH) {
4649                 seek[0] = NULL;
4650                 seek_count = 1;
4651         }
4652
4653         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4654                              _dev_id, search_delay, seek_count, seek, freq);
4655 }
4656
4657
4658 static int p2ps_ctrl_parse_cpt_priority(const char *pos, u8 *cpt)
4659 {
4660         const char *last = NULL;
4661         const char *token;
4662         long int token_len;
4663         unsigned int i;
4664
4665         /* Expected predefined CPT names delimited by ':' */
4666         for (i = 0; (token = cstr_token(pos, ": \t", &last)); i++) {
4667                 if (i >= P2PS_FEATURE_CAPAB_CPT_MAX) {
4668                         wpa_printf(MSG_ERROR,
4669                                    "P2PS: CPT name list is too long, expected up to %d names",
4670                                    P2PS_FEATURE_CAPAB_CPT_MAX);
4671                         cpt[0] = 0;
4672                         return -1;
4673                 }
4674
4675                 token_len = last - token;
4676
4677                 if (token_len  == 3 &&
4678                     os_memcmp(token, "UDP", token_len) == 0) {
4679                         cpt[i] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4680                 } else if (token_len == 3 &&
4681                            os_memcmp(token, "MAC", token_len) == 0) {
4682                         cpt[i] = P2PS_FEATURE_CAPAB_MAC_TRANSPORT;
4683                 } else {
4684                         wpa_printf(MSG_ERROR,
4685                                    "P2PS: Unsupported CPT name '%s'", token);
4686                         cpt[0] = 0;
4687                         return -1;
4688                 }
4689
4690                 if (isblank(*last)) {
4691                         i++;
4692                         break;
4693                 }
4694         }
4695         cpt[i] = 0;
4696         return 0;
4697 }
4698
4699
4700 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
4701 {
4702         struct p2ps_provision *p2ps_prov;
4703         char *pos;
4704         size_t info_len = 0;
4705         char *info = NULL;
4706         u8 role = P2PS_SETUP_NONE;
4707         long long unsigned val;
4708         int i;
4709
4710         pos = os_strstr(cmd, "info=");
4711         if (pos) {
4712                 pos += 5;
4713                 info_len = os_strlen(pos);
4714
4715                 if (info_len) {
4716                         info = os_malloc(info_len + 1);
4717                         if (info) {
4718                                 info_len = utf8_unescape(pos, info_len,
4719                                                          info, info_len + 1);
4720                         } else
4721                                 info_len = 0;
4722                 }
4723         }
4724
4725         p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
4726         if (p2ps_prov == NULL) {
4727                 os_free(info);
4728                 return NULL;
4729         }
4730
4731         if (info) {
4732                 os_memcpy(p2ps_prov->info, info, info_len);
4733                 p2ps_prov->info[info_len] = '\0';
4734                 os_free(info);
4735         }
4736
4737         pos = os_strstr(cmd, "status=");
4738         if (pos)
4739                 p2ps_prov->status = atoi(pos + 7);
4740         else
4741                 p2ps_prov->status = -1;
4742
4743         pos = os_strstr(cmd, "adv_id=");
4744         if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
4745                 goto invalid_args;
4746         p2ps_prov->adv_id = val;
4747
4748         pos = os_strstr(cmd, "method=");
4749         if (pos)
4750                 p2ps_prov->method = strtol(pos + 7, NULL, 16);
4751         else
4752                 p2ps_prov->method = 0;
4753
4754         pos = os_strstr(cmd, "session=");
4755         if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
4756                 goto invalid_args;
4757         p2ps_prov->session_id = val;
4758
4759         pos = os_strstr(cmd, "adv_mac=");
4760         if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
4761                 goto invalid_args;
4762
4763         pos = os_strstr(cmd, "session_mac=");
4764         if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
4765                 goto invalid_args;
4766
4767         pos = os_strstr(cmd, "cpt=");
4768         if (pos) {
4769                 if (p2ps_ctrl_parse_cpt_priority(pos + 4,
4770                                                  p2ps_prov->cpt_priority))
4771                         goto invalid_args;
4772         } else {
4773                 p2ps_prov->cpt_priority[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4774         }
4775
4776         for (i = 0; p2ps_prov->cpt_priority[i]; i++)
4777                 p2ps_prov->cpt_mask |= p2ps_prov->cpt_priority[i];
4778
4779         /* force conncap with tstCap (no sanity checks) */
4780         pos = os_strstr(cmd, "tstCap=");
4781         if (pos) {
4782                 role = strtol(pos + 7, NULL, 16);
4783         } else {
4784                 pos = os_strstr(cmd, "role=");
4785                 if (pos) {
4786                         role = strtol(pos + 5, NULL, 16);
4787                         if (role != P2PS_SETUP_CLIENT &&
4788                             role != P2PS_SETUP_GROUP_OWNER)
4789                                 role = P2PS_SETUP_NONE;
4790                 }
4791         }
4792         p2ps_prov->role = role;
4793
4794         return p2ps_prov;
4795
4796 invalid_args:
4797         os_free(p2ps_prov);
4798         return NULL;
4799 }
4800
4801
4802 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
4803 {
4804         u8 addr[ETH_ALEN];
4805         struct p2ps_provision *p2ps_prov;
4806         char *pos;
4807
4808         /* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
4809
4810         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4811
4812         if (hwaddr_aton(cmd, addr))
4813                 return -1;
4814
4815         pos = cmd + 17;
4816         if (*pos != ' ')
4817                 return -1;
4818
4819         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4820         if (!p2ps_prov)
4821                 return -1;
4822
4823         if (p2ps_prov->status < 0) {
4824                 os_free(p2ps_prov);
4825                 return -1;
4826         }
4827
4828         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4829                                   p2ps_prov);
4830 }
4831
4832
4833 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
4834 {
4835         u8 addr[ETH_ALEN];
4836         struct p2ps_provision *p2ps_prov;
4837         char *pos;
4838
4839         /* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
4840          *        session=<ses_id> mac=<ses_mac> [info=<infodata>]
4841          */
4842
4843         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4844         if (hwaddr_aton(cmd, addr))
4845                 return -1;
4846
4847         pos = cmd + 17;
4848         if (*pos != ' ')
4849                 return -1;
4850
4851         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4852         if (!p2ps_prov)
4853                 return -1;
4854
4855         p2ps_prov->pd_seeker = 1;
4856
4857         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4858                                   p2ps_prov);
4859 }
4860
4861
4862 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4863                             char *buf, size_t buflen)
4864 {
4865         u8 addr[ETH_ALEN];
4866         char *pos, *pos2;
4867         char *pin = NULL;
4868         enum p2p_wps_method wps_method;
4869         int new_pin;
4870         int ret;
4871         int persistent_group, persistent_id = -1;
4872         int join;
4873         int auth;
4874         int automatic;
4875         int go_intent = -1;
4876         int freq = 0;
4877         int pd;
4878         int ht40, vht;
4879
4880         if (!wpa_s->global->p2p_init_wpa_s)
4881                 return -1;
4882         if (wpa_s->global->p2p_init_wpa_s != wpa_s) {
4883                 wpa_dbg(wpa_s, MSG_DEBUG, "Direct P2P_CONNECT command to %s",
4884                         wpa_s->global->p2p_init_wpa_s->ifname);
4885                 wpa_s = wpa_s->global->p2p_init_wpa_s;
4886         }
4887
4888         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
4889          * [persistent|persistent=<network id>]
4890          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4891          * [ht40] [vht] [auto] */
4892
4893         if (hwaddr_aton(cmd, addr))
4894                 return -1;
4895
4896         pos = cmd + 17;
4897         if (*pos != ' ')
4898                 return -1;
4899         pos++;
4900
4901         persistent_group = os_strstr(pos, " persistent") != NULL;
4902         pos2 = os_strstr(pos, " persistent=");
4903         if (pos2) {
4904                 struct wpa_ssid *ssid;
4905                 persistent_id = atoi(pos2 + 12);
4906                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4907                 if (ssid == NULL || ssid->disabled != 2 ||
4908                     ssid->mode != WPAS_MODE_P2P_GO) {
4909                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4910                                    "SSID id=%d for persistent P2P group (GO)",
4911                                    persistent_id);
4912                         return -1;
4913                 }
4914         }
4915         join = os_strstr(pos, " join") != NULL;
4916         auth = os_strstr(pos, " auth") != NULL;
4917         automatic = os_strstr(pos, " auto") != NULL;
4918         pd = os_strstr(pos, " provdisc") != NULL;
4919         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4920         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4921                 vht;
4922
4923         pos2 = os_strstr(pos, " go_intent=");
4924         if (pos2) {
4925                 pos2 += 11;
4926                 go_intent = atoi(pos2);
4927                 if (go_intent < 0 || go_intent > 15)
4928                         return -1;
4929         }
4930
4931         pos2 = os_strstr(pos, " freq=");
4932         if (pos2) {
4933                 pos2 += 6;
4934                 freq = atoi(pos2);
4935                 if (freq <= 0)
4936                         return -1;
4937         }
4938
4939         if (os_strncmp(pos, "pin", 3) == 0) {
4940                 /* Request random PIN (to be displayed) and enable the PIN */
4941                 wps_method = WPS_PIN_DISPLAY;
4942         } else if (os_strncmp(pos, "pbc", 3) == 0) {
4943                 wps_method = WPS_PBC;
4944         } else {
4945                 pin = pos;
4946                 pos = os_strchr(pin, ' ');
4947                 wps_method = WPS_PIN_KEYPAD;
4948                 if (pos) {
4949                         *pos++ = '\0';
4950                         if (os_strncmp(pos, "display", 7) == 0)
4951                                 wps_method = WPS_PIN_DISPLAY;
4952                         else if (os_strncmp(pos, "p2ps", 4) == 0)
4953                                 wps_method = WPS_P2PS;
4954                 }
4955                 if (!wps_pin_str_valid(pin)) {
4956                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
4957                         return 17;
4958                 }
4959         }
4960
4961         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
4962                                    persistent_group, automatic, join,
4963                                    auth, go_intent, freq, persistent_id, pd,
4964                                    ht40, vht);
4965         if (new_pin == -2) {
4966                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
4967                 return 25;
4968         }
4969         if (new_pin == -3) {
4970                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
4971                 return 25;
4972         }
4973         if (new_pin < 0)
4974                 return -1;
4975         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
4976                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
4977                 if (os_snprintf_error(buflen, ret))
4978                         return -1;
4979                 return ret;
4980         }
4981
4982         os_memcpy(buf, "OK\n", 3);
4983         return 3;
4984 }
4985
4986
4987 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
4988 {
4989         unsigned int timeout = atoi(cmd);
4990         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4991                 wpa_dbg(wpa_s, MSG_INFO,
4992                         "Reject P2P_LISTEN since interface is disabled");
4993                 return -1;
4994         }
4995         return wpas_p2p_listen(wpa_s, timeout);
4996 }
4997
4998
4999 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
5000 {
5001         u8 addr[ETH_ALEN];
5002         char *pos;
5003         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
5004
5005         /* <addr> <config method> [join|auto] */
5006
5007         if (hwaddr_aton(cmd, addr))
5008                 return -1;
5009
5010         pos = cmd + 17;
5011         if (*pos != ' ')
5012                 return -1;
5013         pos++;
5014
5015         if (os_strstr(pos, " join") != NULL)
5016                 use = WPAS_P2P_PD_FOR_JOIN;
5017         else if (os_strstr(pos, " auto") != NULL)
5018                 use = WPAS_P2P_PD_AUTO;
5019
5020         return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
5021 }
5022
5023
5024 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
5025                               size_t buflen)
5026 {
5027         struct wpa_ssid *ssid = wpa_s->current_ssid;
5028
5029         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
5030             ssid->passphrase == NULL)
5031                 return -1;
5032
5033         os_strlcpy(buf, ssid->passphrase, buflen);
5034         return os_strlen(buf);
5035 }
5036
5037
5038 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
5039                                   char *buf, size_t buflen)
5040 {
5041         u64 ref;
5042         int res;
5043         u8 dst_buf[ETH_ALEN], *dst;
5044         struct wpabuf *tlvs;
5045         char *pos;
5046         size_t len;
5047
5048         if (hwaddr_aton(cmd, dst_buf))
5049                 return -1;
5050         dst = dst_buf;
5051         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
5052             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
5053                 dst = NULL;
5054         pos = cmd + 17;
5055         if (*pos != ' ')
5056                 return -1;
5057         pos++;
5058
5059         if (os_strncmp(pos, "upnp ", 5) == 0) {
5060                 u8 version;
5061                 pos += 5;
5062                 if (hexstr2bin(pos, &version, 1) < 0)
5063                         return -1;
5064                 pos += 2;
5065                 if (*pos != ' ')
5066                         return -1;
5067                 pos++;
5068                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
5069 #ifdef CONFIG_WIFI_DISPLAY
5070         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
5071                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
5072 #endif /* CONFIG_WIFI_DISPLAY */
5073         } else if (os_strncmp(pos, "asp ", 4) == 0) {
5074                 char *svc_str;
5075                 char *svc_info = NULL;
5076                 u32 id;
5077
5078                 pos += 4;
5079                 if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
5080                         return -1;
5081
5082                 pos = os_strchr(pos, ' ');
5083                 if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
5084                         return -1;
5085
5086                 svc_str = pos + 1;
5087
5088                 pos = os_strchr(svc_str, ' ');
5089
5090                 if (pos)
5091                         *pos++ = '\0';
5092
5093                 /* All remaining data is the svc_info string */
5094                 if (pos && pos[0] && pos[0] != ' ') {
5095                         len = os_strlen(pos);
5096
5097                         /* Unescape in place */
5098                         len = utf8_unescape(pos, len, pos, len);
5099                         if (len > 0xff)
5100                                 return -1;
5101
5102                         svc_info = pos;
5103                 }
5104
5105                 ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
5106                                               svc_str, svc_info);
5107         } else {
5108                 len = os_strlen(pos);
5109                 if (len & 1)
5110                         return -1;
5111                 len /= 2;
5112                 tlvs = wpabuf_alloc(len);
5113                 if (tlvs == NULL)
5114                         return -1;
5115                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
5116                         wpabuf_free(tlvs);
5117                         return -1;
5118                 }
5119
5120                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
5121                 wpabuf_free(tlvs);
5122         }
5123         if (ref == 0)
5124                 return -1;
5125         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
5126         if (os_snprintf_error(buflen, res))
5127                 return -1;
5128         return res;
5129 }
5130
5131
5132 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
5133                                          char *cmd)
5134 {
5135         long long unsigned val;
5136         u64 req;
5137         if (sscanf(cmd, "%llx", &val) != 1)
5138                 return -1;
5139         req = val;
5140         return wpas_p2p_sd_cancel_request(wpa_s, req);
5141 }
5142
5143
5144 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
5145 {
5146         int freq;
5147         u8 dst[ETH_ALEN];
5148         u8 dialog_token;
5149         struct wpabuf *resp_tlvs;
5150         char *pos, *pos2;
5151         size_t len;
5152
5153         pos = os_strchr(cmd, ' ');
5154         if (pos == NULL)
5155                 return -1;
5156         *pos++ = '\0';
5157         freq = atoi(cmd);
5158         if (freq == 0)
5159                 return -1;
5160
5161         if (hwaddr_aton(pos, dst))
5162                 return -1;
5163         pos += 17;
5164         if (*pos != ' ')
5165                 return -1;
5166         pos++;
5167
5168         pos2 = os_strchr(pos, ' ');
5169         if (pos2 == NULL)
5170                 return -1;
5171         *pos2++ = '\0';
5172         dialog_token = atoi(pos);
5173
5174         len = os_strlen(pos2);
5175         if (len & 1)
5176                 return -1;
5177         len /= 2;
5178         resp_tlvs = wpabuf_alloc(len);
5179         if (resp_tlvs == NULL)
5180                 return -1;
5181         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
5182                 wpabuf_free(resp_tlvs);
5183                 return -1;
5184         }
5185
5186         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
5187         wpabuf_free(resp_tlvs);
5188         return 0;
5189 }
5190
5191
5192 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
5193                                        char *cmd)
5194 {
5195         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
5196                 return -1;
5197         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
5198         return 0;
5199 }
5200
5201
5202 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
5203                                         char *cmd)
5204 {
5205         char *pos;
5206         size_t len;
5207         struct wpabuf *query, *resp;
5208
5209         pos = os_strchr(cmd, ' ');
5210         if (pos == NULL)
5211                 return -1;
5212         *pos++ = '\0';
5213
5214         len = os_strlen(cmd);
5215         if (len & 1)
5216                 return -1;
5217         len /= 2;
5218         query = wpabuf_alloc(len);
5219         if (query == NULL)
5220                 return -1;
5221         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5222                 wpabuf_free(query);
5223                 return -1;
5224         }
5225
5226         len = os_strlen(pos);
5227         if (len & 1) {
5228                 wpabuf_free(query);
5229                 return -1;
5230         }
5231         len /= 2;
5232         resp = wpabuf_alloc(len);
5233         if (resp == NULL) {
5234                 wpabuf_free(query);
5235                 return -1;
5236         }
5237         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
5238                 wpabuf_free(query);
5239                 wpabuf_free(resp);
5240                 return -1;
5241         }
5242
5243         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
5244                 wpabuf_free(query);
5245                 wpabuf_free(resp);
5246                 return -1;
5247         }
5248         return 0;
5249 }
5250
5251
5252 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5253 {
5254         char *pos;
5255         u8 version;
5256
5257         pos = os_strchr(cmd, ' ');
5258         if (pos == NULL)
5259                 return -1;
5260         *pos++ = '\0';
5261
5262         if (hexstr2bin(cmd, &version, 1) < 0)
5263                 return -1;
5264
5265         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
5266 }
5267
5268
5269 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
5270                                     u8 replace, char *cmd)
5271 {
5272         char *pos;
5273         char *adv_str;
5274         u32 auto_accept, adv_id, svc_state, config_methods;
5275         char *svc_info = NULL;
5276         char *cpt_prio_str;
5277         u8 cpt_prio[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
5278
5279         pos = os_strchr(cmd, ' ');
5280         if (pos == NULL)
5281                 return -1;
5282         *pos++ = '\0';
5283
5284         /* Auto-Accept value is mandatory, and must be one of the
5285          * single values (0, 1, 2, 4) */
5286         auto_accept = atoi(cmd);
5287         switch (auto_accept) {
5288         case P2PS_SETUP_NONE: /* No auto-accept */
5289         case P2PS_SETUP_NEW:
5290         case P2PS_SETUP_CLIENT:
5291         case P2PS_SETUP_GROUP_OWNER:
5292                 break;
5293         default:
5294                 return -1;
5295         }
5296
5297         /* Advertisement ID is mandatory */
5298         cmd = pos;
5299         pos = os_strchr(cmd, ' ');
5300         if (pos == NULL)
5301                 return -1;
5302         *pos++ = '\0';
5303
5304         /* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
5305         if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
5306                 return -1;
5307
5308         /* Only allow replacements if exist, and adds if not */
5309         if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
5310                 if (!replace)
5311                         return -1;
5312         } else {
5313                 if (replace)
5314                         return -1;
5315         }
5316
5317         /* svc_state between 0 - 0xff is mandatory */
5318         if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
5319                 return -1;
5320
5321         pos = os_strchr(pos, ' ');
5322         if (pos == NULL)
5323                 return -1;
5324
5325         /* config_methods is mandatory */
5326         pos++;
5327         if (sscanf(pos, "%x", &config_methods) != 1)
5328                 return -1;
5329
5330         if (!(config_methods &
5331               (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
5332                 return -1;
5333
5334         pos = os_strchr(pos, ' ');
5335         if (pos == NULL)
5336                 return -1;
5337
5338         pos++;
5339         adv_str = pos;
5340
5341         /* Advertisement string is mandatory */
5342         if (!pos[0] || pos[0] == ' ')
5343                 return -1;
5344
5345         /* Terminate svc string */
5346         pos = os_strchr(pos, ' ');
5347         if (pos != NULL)
5348                 *pos++ = '\0';
5349
5350         cpt_prio_str = (pos && pos[0]) ? os_strstr(pos, "cpt=") : NULL;
5351         if (cpt_prio_str) {
5352                 pos = os_strchr(pos, ' ');
5353                 if (pos != NULL)
5354                         *pos++ = '\0';
5355
5356                 if (p2ps_ctrl_parse_cpt_priority(cpt_prio_str + 4, cpt_prio))
5357                         return -1;
5358         } else {
5359                 cpt_prio[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
5360                 cpt_prio[1] = 0;
5361         }
5362
5363         /* Service and Response Information are optional */
5364         if (pos && pos[0]) {
5365                 size_t len;
5366
5367                 /* Note the bare ' included, which cannot exist legally
5368                  * in unescaped string. */
5369                 svc_info = os_strstr(pos, "svc_info='");
5370
5371                 if (svc_info) {
5372                         svc_info += 9;
5373                         len = os_strlen(svc_info);
5374                         utf8_unescape(svc_info, len, svc_info, len);
5375                 }
5376         }
5377
5378         return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
5379                                         (u8) svc_state, (u16) config_methods,
5380                                         svc_info, cpt_prio);
5381 }
5382
5383
5384 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
5385 {
5386         char *pos;
5387
5388         pos = os_strchr(cmd, ' ');
5389         if (pos == NULL)
5390                 return -1;
5391         *pos++ = '\0';
5392
5393         if (os_strcmp(cmd, "bonjour") == 0)
5394                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
5395         if (os_strcmp(cmd, "upnp") == 0)
5396                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
5397         if (os_strcmp(cmd, "asp") == 0)
5398                 return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
5399         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5400         return -1;
5401 }
5402
5403
5404 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
5405                                         char *cmd)
5406 {
5407         size_t len;
5408         struct wpabuf *query;
5409         int ret;
5410
5411         len = os_strlen(cmd);
5412         if (len & 1)
5413                 return -1;
5414         len /= 2;
5415         query = wpabuf_alloc(len);
5416         if (query == NULL)
5417                 return -1;
5418         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5419                 wpabuf_free(query);
5420                 return -1;
5421         }
5422
5423         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
5424         wpabuf_free(query);
5425         return ret;
5426 }
5427
5428
5429 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5430 {
5431         char *pos;
5432         u8 version;
5433
5434         pos = os_strchr(cmd, ' ');
5435         if (pos == NULL)
5436                 return -1;
5437         *pos++ = '\0';
5438
5439         if (hexstr2bin(cmd, &version, 1) < 0)
5440                 return -1;
5441
5442         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
5443 }
5444
5445
5446 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
5447 {
5448         u32 adv_id;
5449
5450         if (os_strcmp(cmd, "all") == 0) {
5451                 wpas_p2p_service_flush_asp(wpa_s);
5452                 return 0;
5453         }
5454
5455         if (sscanf(cmd, "%x", &adv_id) != 1)
5456                 return -1;
5457
5458         return wpas_p2p_service_del_asp(wpa_s, adv_id);
5459 }
5460
5461
5462 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
5463 {
5464         char *pos;
5465
5466         pos = os_strchr(cmd, ' ');
5467         if (pos == NULL)
5468                 return -1;
5469         *pos++ = '\0';
5470
5471         if (os_strcmp(cmd, "bonjour") == 0)
5472                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
5473         if (os_strcmp(cmd, "upnp") == 0)
5474                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
5475         if (os_strcmp(cmd, "asp") == 0)
5476                 return p2p_ctrl_service_del_asp(wpa_s, pos);
5477         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5478         return -1;
5479 }
5480
5481
5482 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
5483 {
5484         char *pos;
5485
5486         pos = os_strchr(cmd, ' ');
5487         if (pos == NULL)
5488                 return -1;
5489         *pos++ = '\0';
5490
5491         if (os_strcmp(cmd, "asp") == 0)
5492                 return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
5493
5494         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5495         return -1;
5496 }
5497
5498
5499 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
5500 {
5501         u8 addr[ETH_ALEN];
5502
5503         /* <addr> */
5504
5505         if (hwaddr_aton(cmd, addr))
5506                 return -1;
5507
5508         return wpas_p2p_reject(wpa_s, addr);
5509 }
5510
5511
5512 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
5513 {
5514         char *pos;
5515         int id;
5516         struct wpa_ssid *ssid;
5517         u8 *_peer = NULL, peer[ETH_ALEN];
5518         int freq = 0, pref_freq = 0;
5519         int ht40, vht;
5520
5521         id = atoi(cmd);
5522         pos = os_strstr(cmd, " peer=");
5523         if (pos) {
5524                 pos += 6;
5525                 if (hwaddr_aton(pos, peer))
5526                         return -1;
5527                 _peer = peer;
5528         }
5529         ssid = wpa_config_get_network(wpa_s->conf, id);
5530         if (ssid == NULL || ssid->disabled != 2) {
5531                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5532                            "for persistent P2P group",
5533                            id);
5534                 return -1;
5535         }
5536
5537         pos = os_strstr(cmd, " freq=");
5538         if (pos) {
5539                 pos += 6;
5540                 freq = atoi(pos);
5541                 if (freq <= 0)
5542                         return -1;
5543         }
5544
5545         pos = os_strstr(cmd, " pref=");
5546         if (pos) {
5547                 pos += 6;
5548                 pref_freq = atoi(pos);
5549                 if (pref_freq <= 0)
5550                         return -1;
5551         }
5552
5553         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5554         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5555                 vht;
5556
5557         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
5558                                pref_freq);
5559 }
5560
5561
5562 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
5563 {
5564         char *pos;
5565         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
5566
5567         pos = os_strstr(cmd, " peer=");
5568         if (!pos)
5569                 return -1;
5570
5571         *pos = '\0';
5572         pos += 6;
5573         if (hwaddr_aton(pos, peer)) {
5574                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
5575                 return -1;
5576         }
5577
5578         pos = os_strstr(pos, " go_dev_addr=");
5579         if (pos) {
5580                 pos += 13;
5581                 if (hwaddr_aton(pos, go_dev_addr)) {
5582                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
5583                                    pos);
5584                         return -1;
5585                 }
5586                 go_dev = go_dev_addr;
5587         }
5588
5589         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
5590 }
5591
5592
5593 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
5594 {
5595         if (os_strncmp(cmd, "persistent=", 11) == 0)
5596                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
5597         if (os_strncmp(cmd, "group=", 6) == 0)
5598                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
5599
5600         return -1;
5601 }
5602
5603
5604 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
5605                                          int id, int freq, int ht40, int vht)
5606 {
5607         struct wpa_ssid *ssid;
5608
5609         ssid = wpa_config_get_network(wpa_s->conf, id);
5610         if (ssid == NULL || ssid->disabled != 2) {
5611                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5612                            "for persistent P2P group",
5613                            id);
5614                 return -1;
5615         }
5616
5617         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
5618                                              NULL, 0, 0);
5619 }
5620
5621
5622 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
5623 {
5624         int freq = 0, persistent = 0, group_id = -1;
5625         int vht = wpa_s->conf->p2p_go_vht;
5626         int ht40 = wpa_s->conf->p2p_go_ht40 || vht;
5627         char *token, *context = NULL;
5628
5629         while ((token = str_token(cmd, " ", &context))) {
5630                 if (sscanf(token, "freq=%d", &freq) == 1 ||
5631                     sscanf(token, "persistent=%d", &group_id) == 1) {
5632                         continue;
5633                 } else if (os_strcmp(token, "ht40") == 0) {
5634                         ht40 = 1;
5635                 } else if (os_strcmp(token, "vht") == 0) {
5636                         vht = 1;
5637                         ht40 = 1;
5638                 } else if (os_strcmp(token, "persistent") == 0) {
5639                         persistent = 1;
5640                 } else {
5641                         wpa_printf(MSG_DEBUG,
5642                                    "CTRL: Invalid P2P_GROUP_ADD parameter: '%s'",
5643                                    token);
5644                         return -1;
5645                 }
5646         }
5647
5648         if (group_id >= 0)
5649                 return p2p_ctrl_group_add_persistent(wpa_s, group_id,
5650                                                      freq, ht40, vht);
5651
5652         return wpas_p2p_group_add(wpa_s, persistent, freq, ht40, vht);
5653 }
5654
5655
5656 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
5657                          char *buf, size_t buflen)
5658 {
5659         u8 addr[ETH_ALEN], *addr_ptr;
5660         int next, res;
5661         const struct p2p_peer_info *info;
5662         char *pos, *end;
5663         char devtype[WPS_DEV_TYPE_BUFSIZE];
5664         struct wpa_ssid *ssid;
5665         size_t i;
5666
5667         if (!wpa_s->global->p2p)
5668                 return -1;
5669
5670         if (os_strcmp(cmd, "FIRST") == 0) {
5671                 addr_ptr = NULL;
5672                 next = 0;
5673         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5674                 if (hwaddr_aton(cmd + 5, addr) < 0)
5675                         return -1;
5676                 addr_ptr = addr;
5677                 next = 1;
5678         } else {
5679                 if (hwaddr_aton(cmd, addr) < 0)
5680                         return -1;
5681                 addr_ptr = addr;
5682                 next = 0;
5683         }
5684
5685         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
5686         if (info == NULL)
5687                 return -1;
5688
5689         pos = buf;
5690         end = buf + buflen;
5691
5692         res = os_snprintf(pos, end - pos, MACSTR "\n"
5693                           "pri_dev_type=%s\n"
5694                           "device_name=%s\n"
5695                           "manufacturer=%s\n"
5696                           "model_name=%s\n"
5697                           "model_number=%s\n"
5698                           "serial_number=%s\n"
5699                           "config_methods=0x%x\n"
5700                           "dev_capab=0x%x\n"
5701                           "group_capab=0x%x\n"
5702                           "level=%d\n",
5703                           MAC2STR(info->p2p_device_addr),
5704                           wps_dev_type_bin2str(info->pri_dev_type,
5705                                                devtype, sizeof(devtype)),
5706                           info->device_name,
5707                           info->manufacturer,
5708                           info->model_name,
5709                           info->model_number,
5710                           info->serial_number,
5711                           info->config_methods,
5712                           info->dev_capab,
5713                           info->group_capab,
5714                           info->level);
5715         if (os_snprintf_error(end - pos, res))
5716                 return pos - buf;
5717         pos += res;
5718
5719         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
5720         {
5721                 const u8 *t;
5722                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
5723                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
5724                                   wps_dev_type_bin2str(t, devtype,
5725                                                        sizeof(devtype)));
5726                 if (os_snprintf_error(end - pos, res))
5727                         return pos - buf;
5728                 pos += res;
5729         }
5730
5731         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
5732         if (ssid) {
5733                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
5734                 if (os_snprintf_error(end - pos, res))
5735                         return pos - buf;
5736                 pos += res;
5737         }
5738
5739         res = p2p_get_peer_info_txt(info, pos, end - pos);
5740         if (res < 0)
5741                 return pos - buf;
5742         pos += res;
5743
5744         if (info->vendor_elems) {
5745                 res = os_snprintf(pos, end - pos, "vendor_elems=");
5746                 if (os_snprintf_error(end - pos, res))
5747                         return pos - buf;
5748                 pos += res;
5749
5750                 pos += wpa_snprintf_hex(pos, end - pos,
5751                                         wpabuf_head(info->vendor_elems),
5752                                         wpabuf_len(info->vendor_elems));
5753
5754                 res = os_snprintf(pos, end - pos, "\n");
5755                 if (os_snprintf_error(end - pos, res))
5756                         return pos - buf;
5757                 pos += res;
5758         }
5759
5760         return pos - buf;
5761 }
5762
5763
5764 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
5765                                   const char *param)
5766 {
5767         unsigned int i;
5768
5769         if (wpa_s->global->p2p == NULL)
5770                 return -1;
5771
5772         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
5773                 return -1;
5774
5775         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
5776                 struct wpa_freq_range *freq;
5777                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
5778                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
5779                            freq->min, freq->max);
5780         }
5781
5782         wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DISALLOW);
5783         return 0;
5784 }
5785
5786
5787 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
5788 {
5789         char *param;
5790
5791         if (wpa_s->global->p2p == NULL)
5792                 return -1;
5793
5794         param = os_strchr(cmd, ' ');
5795         if (param == NULL)
5796                 return -1;
5797         *param++ = '\0';
5798
5799         if (os_strcmp(cmd, "discoverability") == 0) {
5800                 p2p_set_client_discoverability(wpa_s->global->p2p,
5801                                                atoi(param));
5802                 return 0;
5803         }
5804
5805         if (os_strcmp(cmd, "managed") == 0) {
5806                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5807                 return 0;
5808         }
5809
5810         if (os_strcmp(cmd, "listen_channel") == 0) {
5811                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
5812                                               atoi(param), 1);
5813         }
5814
5815         if (os_strcmp(cmd, "ssid_postfix") == 0) {
5816                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
5817                                             os_strlen(param));
5818         }
5819
5820         if (os_strcmp(cmd, "noa") == 0) {
5821                 char *pos;
5822                 int count, start, duration;
5823                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
5824                 count = atoi(param);
5825                 pos = os_strchr(param, ',');
5826                 if (pos == NULL)
5827                         return -1;
5828                 pos++;
5829                 start = atoi(pos);
5830                 pos = os_strchr(pos, ',');
5831                 if (pos == NULL)
5832                         return -1;
5833                 pos++;
5834                 duration = atoi(pos);
5835                 if (count < 0 || count > 255 || start < 0 || duration < 0)
5836                         return -1;
5837                 if (count == 0 && duration > 0)
5838                         return -1;
5839                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
5840                            "start=%d duration=%d", count, start, duration);
5841                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
5842         }
5843
5844         if (os_strcmp(cmd, "ps") == 0)
5845                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
5846
5847         if (os_strcmp(cmd, "oppps") == 0)
5848                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
5849
5850         if (os_strcmp(cmd, "ctwindow") == 0)
5851                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
5852
5853         if (os_strcmp(cmd, "disabled") == 0) {
5854                 wpa_s->global->p2p_disabled = atoi(param);
5855                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
5856                            wpa_s->global->p2p_disabled ?
5857                            "disabled" : "enabled");
5858                 if (wpa_s->global->p2p_disabled) {
5859                         wpas_p2p_stop_find(wpa_s);
5860                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5861                         p2p_flush(wpa_s->global->p2p);
5862                 }
5863                 return 0;
5864         }
5865
5866         if (os_strcmp(cmd, "conc_pref") == 0) {
5867                 if (os_strcmp(param, "sta") == 0)
5868                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
5869                 else if (os_strcmp(param, "p2p") == 0)
5870                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
5871                 else {
5872                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
5873                         return -1;
5874                 }
5875                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
5876                            "%s", param);
5877                 return 0;
5878         }
5879
5880         if (os_strcmp(cmd, "force_long_sd") == 0) {
5881                 wpa_s->force_long_sd = atoi(param);
5882                 return 0;
5883         }
5884
5885         if (os_strcmp(cmd, "peer_filter") == 0) {
5886                 u8 addr[ETH_ALEN];
5887                 if (hwaddr_aton(param, addr))
5888                         return -1;
5889                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
5890                 return 0;
5891         }
5892
5893         if (os_strcmp(cmd, "cross_connect") == 0)
5894                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
5895
5896         if (os_strcmp(cmd, "go_apsd") == 0) {
5897                 if (os_strcmp(param, "disable") == 0)
5898                         wpa_s->set_ap_uapsd = 0;
5899                 else {
5900                         wpa_s->set_ap_uapsd = 1;
5901                         wpa_s->ap_uapsd = atoi(param);
5902                 }
5903                 return 0;
5904         }
5905
5906         if (os_strcmp(cmd, "client_apsd") == 0) {
5907                 if (os_strcmp(param, "disable") == 0)
5908                         wpa_s->set_sta_uapsd = 0;
5909                 else {
5910                         int be, bk, vi, vo;
5911                         char *pos;
5912                         /* format: BE,BK,VI,VO;max SP Length */
5913                         be = atoi(param);
5914                         pos = os_strchr(param, ',');
5915                         if (pos == NULL)
5916                                 return -1;
5917                         pos++;
5918                         bk = atoi(pos);
5919                         pos = os_strchr(pos, ',');
5920                         if (pos == NULL)
5921                                 return -1;
5922                         pos++;
5923                         vi = atoi(pos);
5924                         pos = os_strchr(pos, ',');
5925                         if (pos == NULL)
5926                                 return -1;
5927                         pos++;
5928                         vo = atoi(pos);
5929                         /* ignore max SP Length for now */
5930
5931                         wpa_s->set_sta_uapsd = 1;
5932                         wpa_s->sta_uapsd = 0;
5933                         if (be)
5934                                 wpa_s->sta_uapsd |= BIT(0);
5935                         if (bk)
5936                                 wpa_s->sta_uapsd |= BIT(1);
5937                         if (vi)
5938                                 wpa_s->sta_uapsd |= BIT(2);
5939                         if (vo)
5940                                 wpa_s->sta_uapsd |= BIT(3);
5941                 }
5942                 return 0;
5943         }
5944
5945         if (os_strcmp(cmd, "disallow_freq") == 0)
5946                 return p2p_ctrl_disallow_freq(wpa_s, param);
5947
5948         if (os_strcmp(cmd, "disc_int") == 0) {
5949                 int min_disc_int, max_disc_int, max_disc_tu;
5950                 char *pos;
5951
5952                 pos = param;
5953
5954                 min_disc_int = atoi(pos);
5955                 pos = os_strchr(pos, ' ');
5956                 if (pos == NULL)
5957                         return -1;
5958                 *pos++ = '\0';
5959
5960                 max_disc_int = atoi(pos);
5961                 pos = os_strchr(pos, ' ');
5962                 if (pos == NULL)
5963                         return -1;
5964                 *pos++ = '\0';
5965
5966                 max_disc_tu = atoi(pos);
5967
5968                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
5969                                         max_disc_int, max_disc_tu);
5970         }
5971
5972         if (os_strcmp(cmd, "per_sta_psk") == 0) {
5973                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
5974                 return 0;
5975         }
5976
5977 #ifdef CONFIG_WPS_NFC
5978         if (os_strcmp(cmd, "nfc_tag") == 0)
5979                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
5980 #endif /* CONFIG_WPS_NFC */
5981
5982         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
5983                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
5984                 return 0;
5985         }
5986
5987         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
5988                    cmd);
5989
5990         return -1;
5991 }
5992
5993
5994 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
5995 {
5996         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5997         wpa_s->force_long_sd = 0;
5998         wpas_p2p_stop_find(wpa_s);
5999         wpa_s->parent->p2ps_method_config_any = 0;
6000         if (wpa_s->global->p2p)
6001                 p2p_flush(wpa_s->global->p2p);
6002 }
6003
6004
6005 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
6006 {
6007         char *pos, *pos2;
6008         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
6009
6010         if (cmd[0]) {
6011                 pos = os_strchr(cmd, ' ');
6012                 if (pos == NULL)
6013                         return -1;
6014                 *pos++ = '\0';
6015                 dur1 = atoi(cmd);
6016
6017                 pos2 = os_strchr(pos, ' ');
6018                 if (pos2)
6019                         *pos2++ = '\0';
6020                 int1 = atoi(pos);
6021         } else
6022                 pos2 = NULL;
6023
6024         if (pos2) {
6025                 pos = os_strchr(pos2, ' ');
6026                 if (pos == NULL)
6027                         return -1;
6028                 *pos++ = '\0';
6029                 dur2 = atoi(pos2);
6030                 int2 = atoi(pos);
6031         }
6032
6033         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
6034 }
6035
6036
6037 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
6038 {
6039         char *pos;
6040         unsigned int period = 0, interval = 0;
6041
6042         if (cmd[0]) {
6043                 pos = os_strchr(cmd, ' ');
6044                 if (pos == NULL)
6045                         return -1;
6046                 *pos++ = '\0';
6047                 period = atoi(cmd);
6048                 interval = atoi(pos);
6049         }
6050
6051         return wpas_p2p_ext_listen(wpa_s, period, interval);
6052 }
6053
6054
6055 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
6056 {
6057         const char *pos;
6058         u8 peer[ETH_ALEN];
6059         int iface_addr = 0;
6060
6061         pos = cmd;
6062         if (os_strncmp(pos, "iface=", 6) == 0) {
6063                 iface_addr = 1;
6064                 pos += 6;
6065         }
6066         if (hwaddr_aton(pos, peer))
6067                 return -1;
6068
6069         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
6070         return 0;
6071 }
6072
6073 #endif /* CONFIG_P2P */
6074
6075
6076 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
6077 {
6078         struct wpa_freq_range_list ranges;
6079         int *freqs = NULL;
6080         struct hostapd_hw_modes *mode;
6081         u16 i;
6082
6083         if (wpa_s->hw.modes == NULL)
6084                 return NULL;
6085
6086         os_memset(&ranges, 0, sizeof(ranges));
6087         if (freq_range_list_parse(&ranges, val) < 0)
6088                 return NULL;
6089
6090         for (i = 0; i < wpa_s->hw.num_modes; i++) {
6091                 int j;
6092
6093                 mode = &wpa_s->hw.modes[i];
6094                 for (j = 0; j < mode->num_channels; j++) {
6095                         unsigned int freq;
6096
6097                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
6098                                 continue;
6099
6100                         freq = mode->channels[j].freq;
6101                         if (!freq_range_list_includes(&ranges, freq))
6102                                 continue;
6103
6104                         int_array_add_unique(&freqs, freq);
6105                 }
6106         }
6107
6108         os_free(ranges.range);
6109         return freqs;
6110 }
6111
6112
6113 #ifdef CONFIG_INTERWORKING
6114
6115 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
6116 {
6117         int auto_sel = 0;
6118         int *freqs = NULL;
6119
6120         if (param) {
6121                 char *pos;
6122
6123                 auto_sel = os_strstr(param, "auto") != NULL;
6124
6125                 pos = os_strstr(param, "freq=");
6126                 if (pos) {
6127                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
6128                         if (freqs == NULL)
6129                                 return -1;
6130                 }
6131
6132         }
6133
6134         return interworking_select(wpa_s, auto_sel, freqs);
6135 }
6136
6137
6138 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
6139                                      int only_add)
6140 {
6141         u8 bssid[ETH_ALEN];
6142         struct wpa_bss *bss;
6143
6144         if (hwaddr_aton(dst, bssid)) {
6145                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
6146                 return -1;
6147         }
6148
6149         bss = wpa_bss_get_bssid(wpa_s, bssid);
6150         if (bss == NULL) {
6151                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
6152                            MAC2STR(bssid));
6153                 return -1;
6154         }
6155
6156         if (bss->ssid_len == 0) {
6157                 int found = 0;
6158
6159                 wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
6160                            " does not have SSID information", MAC2STR(bssid));
6161
6162                 dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
6163                                          list) {
6164                         if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
6165                             bss->ssid_len > 0) {
6166                                 found = 1;
6167                                 break;
6168                         }
6169                 }
6170
6171                 if (!found)
6172                         return -1;
6173                 wpa_printf(MSG_DEBUG,
6174                            "Found another matching BSS entry with SSID");
6175         }
6176
6177         return interworking_connect(wpa_s, bss, only_add);
6178 }
6179
6180
6181 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
6182 {
6183         u8 dst_addr[ETH_ALEN];
6184         int used;
6185         char *pos;
6186 #define MAX_ANQP_INFO_ID 100
6187         u16 id[MAX_ANQP_INFO_ID];
6188         size_t num_id = 0;
6189         u32 subtypes = 0;
6190
6191         used = hwaddr_aton2(dst, dst_addr);
6192         if (used < 0)
6193                 return -1;
6194         pos = dst + used;
6195         if (*pos == ' ')
6196                 pos++;
6197         while (num_id < MAX_ANQP_INFO_ID) {
6198                 if (os_strncmp(pos, "hs20:", 5) == 0) {
6199 #ifdef CONFIG_HS20
6200                         int num = atoi(pos + 5);
6201                         if (num <= 0 || num > 31)
6202                                 return -1;
6203                         subtypes |= BIT(num);
6204 #else /* CONFIG_HS20 */
6205                         return -1;
6206 #endif /* CONFIG_HS20 */
6207                 } else {
6208                         id[num_id] = atoi(pos);
6209                         if (id[num_id])
6210                                 num_id++;
6211                 }
6212                 pos = os_strchr(pos + 1, ',');
6213                 if (pos == NULL)
6214                         break;
6215                 pos++;
6216         }
6217
6218         if (num_id == 0)
6219                 return -1;
6220
6221         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
6222 }
6223
6224
6225 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
6226 {
6227         u8 dst_addr[ETH_ALEN];
6228         struct wpabuf *advproto, *query = NULL;
6229         int used, ret = -1;
6230         char *pos, *end;
6231         size_t len;
6232
6233         used = hwaddr_aton2(cmd, dst_addr);
6234         if (used < 0)
6235                 return -1;
6236
6237         pos = cmd + used;
6238         while (*pos == ' ')
6239                 pos++;
6240
6241         /* Advertisement Protocol ID */
6242         end = os_strchr(pos, ' ');
6243         if (end)
6244                 len = end - pos;
6245         else
6246                 len = os_strlen(pos);
6247         if (len & 0x01)
6248                 return -1;
6249         len /= 2;
6250         if (len == 0)
6251                 return -1;
6252         advproto = wpabuf_alloc(len);
6253         if (advproto == NULL)
6254                 return -1;
6255         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
6256                 goto fail;
6257
6258         if (end) {
6259                 /* Optional Query Request */
6260                 pos = end + 1;
6261                 while (*pos == ' ')
6262                         pos++;
6263
6264                 len = os_strlen(pos);
6265                 if (len) {
6266                         if (len & 0x01)
6267                                 goto fail;
6268                         len /= 2;
6269                         if (len == 0)
6270                                 goto fail;
6271                         query = wpabuf_alloc(len);
6272                         if (query == NULL)
6273                                 goto fail;
6274                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
6275                                 goto fail;
6276                 }
6277         }
6278
6279         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
6280
6281 fail:
6282         wpabuf_free(advproto);
6283         wpabuf_free(query);
6284
6285         return ret;
6286 }
6287
6288
6289 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
6290                             size_t buflen)
6291 {
6292         u8 addr[ETH_ALEN];
6293         int dialog_token;
6294         int used;
6295         char *pos;
6296         size_t resp_len, start, requested_len;
6297         struct wpabuf *resp;
6298         int ret;
6299
6300         used = hwaddr_aton2(cmd, addr);
6301         if (used < 0)
6302                 return -1;
6303
6304         pos = cmd + used;
6305         while (*pos == ' ')
6306                 pos++;
6307         dialog_token = atoi(pos);
6308
6309         if (wpa_s->last_gas_resp &&
6310             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
6311             dialog_token == wpa_s->last_gas_dialog_token)
6312                 resp = wpa_s->last_gas_resp;
6313         else if (wpa_s->prev_gas_resp &&
6314                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
6315                  dialog_token == wpa_s->prev_gas_dialog_token)
6316                 resp = wpa_s->prev_gas_resp;
6317         else
6318                 return -1;
6319
6320         resp_len = wpabuf_len(resp);
6321         start = 0;
6322         requested_len = resp_len;
6323
6324         pos = os_strchr(pos, ' ');
6325         if (pos) {
6326                 start = atoi(pos);
6327                 if (start > resp_len)
6328                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6329                 pos = os_strchr(pos, ',');
6330                 if (pos == NULL)
6331                         return -1;
6332                 pos++;
6333                 requested_len = atoi(pos);
6334                 if (start + requested_len > resp_len)
6335                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6336         }
6337
6338         if (requested_len * 2 + 1 > buflen)
6339                 return os_snprintf(buf, buflen, "FAIL-Too long response");
6340
6341         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
6342                                requested_len);
6343
6344         if (start + requested_len == resp_len) {
6345                 /*
6346                  * Free memory by dropping the response after it has been
6347                  * fetched.
6348                  */
6349                 if (resp == wpa_s->prev_gas_resp) {
6350                         wpabuf_free(wpa_s->prev_gas_resp);
6351                         wpa_s->prev_gas_resp = NULL;
6352                 } else {
6353                         wpabuf_free(wpa_s->last_gas_resp);
6354                         wpa_s->last_gas_resp = NULL;
6355                 }
6356         }
6357
6358         return ret;
6359 }
6360 #endif /* CONFIG_INTERWORKING */
6361
6362
6363 #ifdef CONFIG_HS20
6364
6365 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
6366 {
6367         u8 dst_addr[ETH_ALEN];
6368         int used;
6369         char *pos;
6370         u32 subtypes = 0;
6371
6372         used = hwaddr_aton2(dst, dst_addr);
6373         if (used < 0)
6374                 return -1;
6375         pos = dst + used;
6376         if (*pos == ' ')
6377                 pos++;
6378         for (;;) {
6379                 int num = atoi(pos);
6380                 if (num <= 0 || num > 31)
6381                         return -1;
6382                 subtypes |= BIT(num);
6383                 pos = os_strchr(pos + 1, ',');
6384                 if (pos == NULL)
6385                         break;
6386                 pos++;
6387         }
6388
6389         if (subtypes == 0)
6390                 return -1;
6391
6392         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
6393 }
6394
6395
6396 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6397                                     const u8 *addr, const char *realm)
6398 {
6399         u8 *buf;
6400         size_t rlen, len;
6401         int ret;
6402
6403         rlen = os_strlen(realm);
6404         len = 3 + rlen;
6405         buf = os_malloc(len);
6406         if (buf == NULL)
6407                 return -1;
6408         buf[0] = 1; /* NAI Home Realm Count */
6409         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
6410         buf[2] = rlen;
6411         os_memcpy(buf + 3, realm, rlen);
6412
6413         ret = hs20_anqp_send_req(wpa_s, addr,
6414                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6415                                  buf, len);
6416
6417         os_free(buf);
6418
6419         return ret;
6420 }
6421
6422
6423 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6424                                         char *dst)
6425 {
6426         struct wpa_cred *cred = wpa_s->conf->cred;
6427         u8 dst_addr[ETH_ALEN];
6428         int used;
6429         u8 *buf;
6430         size_t len;
6431         int ret;
6432
6433         used = hwaddr_aton2(dst, dst_addr);
6434         if (used < 0)
6435                 return -1;
6436
6437         while (dst[used] == ' ')
6438                 used++;
6439         if (os_strncmp(dst + used, "realm=", 6) == 0)
6440                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
6441                                                 dst + used + 6);
6442
6443         len = os_strlen(dst + used);
6444
6445         if (len == 0 && cred && cred->realm)
6446                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
6447
6448         if (len & 1)
6449                 return -1;
6450         len /= 2;
6451         buf = os_malloc(len);
6452         if (buf == NULL)
6453                 return -1;
6454         if (hexstr2bin(dst + used, buf, len) < 0) {
6455                 os_free(buf);
6456                 return -1;
6457         }
6458
6459         ret = hs20_anqp_send_req(wpa_s, dst_addr,
6460                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6461                                  buf, len);
6462         os_free(buf);
6463
6464         return ret;
6465 }
6466
6467
6468 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
6469 {
6470         u8 dst_addr[ETH_ALEN];
6471         int used;
6472         char *icon;
6473
6474         used = hwaddr_aton2(cmd, dst_addr);
6475         if (used < 0)
6476                 return -1;
6477
6478         while (cmd[used] == ' ')
6479                 used++;
6480         icon = &cmd[used];
6481
6482         wpa_s->fetch_osu_icon_in_progress = 0;
6483         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
6484                                   (u8 *) icon, os_strlen(icon));
6485 }
6486
6487 #endif /* CONFIG_HS20 */
6488
6489
6490 #ifdef CONFIG_AUTOSCAN
6491
6492 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
6493                                               char *cmd)
6494 {
6495         enum wpa_states state = wpa_s->wpa_state;
6496         char *new_params = NULL;
6497
6498         if (os_strlen(cmd) > 0) {
6499                 new_params = os_strdup(cmd);
6500                 if (new_params == NULL)
6501                         return -1;
6502         }
6503
6504         os_free(wpa_s->conf->autoscan);
6505         wpa_s->conf->autoscan = new_params;
6506
6507         if (wpa_s->conf->autoscan == NULL)
6508                 autoscan_deinit(wpa_s);
6509         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
6510                 autoscan_init(wpa_s, 1);
6511         else if (state == WPA_SCANNING)
6512                 wpa_supplicant_reinit_autoscan(wpa_s);
6513
6514         return 0;
6515 }
6516
6517 #endif /* CONFIG_AUTOSCAN */
6518
6519
6520 #ifdef CONFIG_WNM
6521
6522 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
6523 {
6524         int enter;
6525         int intval = 0;
6526         char *pos;
6527         int ret;
6528         struct wpabuf *tfs_req = NULL;
6529
6530         if (os_strncmp(cmd, "enter", 5) == 0)
6531                 enter = 1;
6532         else if (os_strncmp(cmd, "exit", 4) == 0)
6533                 enter = 0;
6534         else
6535                 return -1;
6536
6537         pos = os_strstr(cmd, " interval=");
6538         if (pos)
6539                 intval = atoi(pos + 10);
6540
6541         pos = os_strstr(cmd, " tfs_req=");
6542         if (pos) {
6543                 char *end;
6544                 size_t len;
6545                 pos += 9;
6546                 end = os_strchr(pos, ' ');
6547                 if (end)
6548                         len = end - pos;
6549                 else
6550                         len = os_strlen(pos);
6551                 if (len & 1)
6552                         return -1;
6553                 len /= 2;
6554                 tfs_req = wpabuf_alloc(len);
6555                 if (tfs_req == NULL)
6556                         return -1;
6557                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
6558                         wpabuf_free(tfs_req);
6559                         return -1;
6560                 }
6561         }
6562
6563         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
6564                                            WNM_SLEEP_MODE_EXIT, intval,
6565                                            tfs_req);
6566         wpabuf_free(tfs_req);
6567
6568         return ret;
6569 }
6570
6571
6572 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
6573 {
6574         int query_reason;
6575
6576         query_reason = atoi(cmd);
6577
6578         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
6579                    query_reason);
6580
6581         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
6582 }
6583
6584 #endif /* CONFIG_WNM */
6585
6586
6587 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
6588                                       size_t buflen)
6589 {
6590         struct wpa_signal_info si;
6591         int ret;
6592         char *pos, *end;
6593
6594         ret = wpa_drv_signal_poll(wpa_s, &si);
6595         if (ret)
6596                 return -1;
6597
6598         pos = buf;
6599         end = buf + buflen;
6600
6601         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
6602                           "NOISE=%d\nFREQUENCY=%u\n",
6603                           si.current_signal, si.current_txrate / 1000,
6604                           si.current_noise, si.frequency);
6605         if (os_snprintf_error(end - pos, ret))
6606                 return -1;
6607         pos += ret;
6608
6609         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
6610                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
6611                                   channel_width_to_string(si.chanwidth));
6612                 if (os_snprintf_error(end - pos, ret))
6613                         return -1;
6614                 pos += ret;
6615         }
6616
6617         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
6618                 ret = os_snprintf(pos, end - pos,
6619                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
6620                                   si.center_frq1, si.center_frq2);
6621                 if (os_snprintf_error(end - pos, ret))
6622                         return -1;
6623                 pos += ret;
6624         }
6625
6626         if (si.avg_signal) {
6627                 ret = os_snprintf(pos, end - pos,
6628                                   "AVG_RSSI=%d\n", si.avg_signal);
6629                 if (os_snprintf_error(end - pos, ret))
6630                         return -1;
6631                 pos += ret;
6632         }
6633
6634         if (si.avg_beacon_signal) {
6635                 ret = os_snprintf(pos, end - pos,
6636                                   "AVG_BEACON_RSSI=%d\n", si.avg_beacon_signal);
6637                 if (os_snprintf_error(end - pos, ret))
6638                         return -1;
6639                 pos += ret;
6640         }
6641
6642         return pos - buf;
6643 }
6644
6645
6646 static int wpas_ctrl_iface_get_pref_freq_list(
6647         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
6648 {
6649         unsigned int freq_list[100], num = 100, i;
6650         int ret;
6651         enum wpa_driver_if_type iface_type;
6652         char *pos, *end;
6653
6654         pos = buf;
6655         end = buf + buflen;
6656
6657         /* buf: "<interface_type>" */
6658         if (os_strcmp(cmd, "STATION") == 0)
6659                 iface_type = WPA_IF_STATION;
6660         else if (os_strcmp(cmd, "AP") == 0)
6661                 iface_type = WPA_IF_AP_BSS;
6662         else if (os_strcmp(cmd, "P2P_GO") == 0)
6663                 iface_type = WPA_IF_P2P_GO;
6664         else if (os_strcmp(cmd, "P2P_CLIENT") == 0)
6665                 iface_type = WPA_IF_P2P_CLIENT;
6666         else if (os_strcmp(cmd, "IBSS") == 0)
6667                 iface_type = WPA_IF_IBSS;
6668         else if (os_strcmp(cmd, "TDLS") == 0)
6669                 iface_type = WPA_IF_TDLS;
6670         else
6671                 return -1;
6672
6673         wpa_printf(MSG_DEBUG,
6674                    "CTRL_IFACE: GET_PREF_FREQ_LIST iface_type=%d (%s)",
6675                    iface_type, buf);
6676
6677         ret = wpa_drv_get_pref_freq_list(wpa_s, iface_type, &num, freq_list);
6678         if (ret)
6679                 return -1;
6680
6681         for (i = 0; i < num; i++) {
6682                 ret = os_snprintf(pos, end - pos, "%s%u",
6683                                   i > 0 ? "," : "", freq_list[i]);
6684                 if (os_snprintf_error(end - pos, ret))
6685                         return -1;
6686                 pos += ret;
6687         }
6688
6689         return pos - buf;
6690 }
6691
6692
6693 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
6694                                       size_t buflen)
6695 {
6696         struct hostap_sta_driver_data sta;
6697         int ret;
6698
6699         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
6700         if (ret)
6701                 return -1;
6702
6703         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
6704                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
6705         if (os_snprintf_error(buflen, ret))
6706                 return -1;
6707         return ret;
6708 }
6709
6710
6711 #ifdef ANDROID
6712 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6713                                      char *buf, size_t buflen)
6714 {
6715         int ret;
6716
6717         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
6718         if (ret == 0) {
6719                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
6720                         struct p2p_data *p2p = wpa_s->global->p2p;
6721                         if (p2p) {
6722                                 char country[3];
6723                                 country[0] = cmd[8];
6724                                 country[1] = cmd[9];
6725                                 country[2] = 0x04;
6726                                 p2p_set_country(p2p, country);
6727                         }
6728                 }
6729                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
6730                 if (os_snprintf_error(buflen, ret))
6731                         ret = -1;
6732         }
6733         return ret;
6734 }
6735 #endif /* ANDROID */
6736
6737
6738 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6739                                      char *buf, size_t buflen)
6740 {
6741         int ret;
6742         char *pos;
6743         u8 *data = NULL;
6744         unsigned int vendor_id, subcmd;
6745         struct wpabuf *reply;
6746         size_t data_len = 0;
6747
6748         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
6749         vendor_id = strtoul(cmd, &pos, 16);
6750         if (!isblank(*pos))
6751                 return -EINVAL;
6752
6753         subcmd = strtoul(pos, &pos, 10);
6754
6755         if (*pos != '\0') {
6756                 if (!isblank(*pos++))
6757                         return -EINVAL;
6758                 data_len = os_strlen(pos);
6759         }
6760
6761         if (data_len) {
6762                 data_len /= 2;
6763                 data = os_malloc(data_len);
6764                 if (!data)
6765                         return -1;
6766
6767                 if (hexstr2bin(pos, data, data_len)) {
6768                         wpa_printf(MSG_DEBUG,
6769                                    "Vendor command: wrong parameter format");
6770                         os_free(data);
6771                         return -EINVAL;
6772                 }
6773         }
6774
6775         reply = wpabuf_alloc((buflen - 1) / 2);
6776         if (!reply) {
6777                 os_free(data);
6778                 return -1;
6779         }
6780
6781         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
6782                                  reply);
6783
6784         if (ret == 0)
6785                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
6786                                        wpabuf_len(reply));
6787
6788         wpabuf_free(reply);
6789         os_free(data);
6790
6791         return ret;
6792 }
6793
6794
6795 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
6796 {
6797 #ifdef CONFIG_P2P
6798         struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
6799                 wpa_s->global->p2p_init_wpa_s : wpa_s;
6800 #endif /* CONFIG_P2P */
6801
6802         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
6803
6804 #ifdef CONFIG_P2P
6805         wpas_p2p_cancel(p2p_wpa_s);
6806         p2p_ctrl_flush(p2p_wpa_s);
6807         wpas_p2p_group_remove(p2p_wpa_s, "*");
6808         wpas_p2p_service_flush(p2p_wpa_s);
6809         p2p_wpa_s->global->p2p_disabled = 0;
6810         p2p_wpa_s->global->p2p_per_sta_psk = 0;
6811         p2p_wpa_s->conf->num_sec_device_types = 0;
6812         p2p_wpa_s->p2p_disable_ip_addr_req = 0;
6813         os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
6814         p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
6815         p2p_wpa_s->global->p2p_go_avoid_freq.num = 0;
6816         p2p_wpa_s->global->pending_p2ps_group = 0;
6817         p2p_wpa_s->global->pending_p2ps_group_freq = 0;
6818 #endif /* CONFIG_P2P */
6819
6820 #ifdef CONFIG_WPS_TESTING
6821         wps_version_number = 0x20;
6822         wps_testing_dummy_cred = 0;
6823         wps_corrupt_pkhash = 0;
6824 #endif /* CONFIG_WPS_TESTING */
6825 #ifdef CONFIG_WPS
6826         wpa_s->wps_fragment_size = 0;
6827         wpas_wps_cancel(wpa_s);
6828         wps_registrar_flush(wpa_s->wps->registrar);
6829 #endif /* CONFIG_WPS */
6830         wpa_s->after_wps = 0;
6831         wpa_s->known_wps_freq = 0;
6832
6833 #ifdef CONFIG_TDLS
6834 #ifdef CONFIG_TDLS_TESTING
6835         extern unsigned int tdls_testing;
6836         tdls_testing = 0;
6837 #endif /* CONFIG_TDLS_TESTING */
6838         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
6839         wpa_tdls_enable(wpa_s->wpa, 1);
6840 #endif /* CONFIG_TDLS */
6841
6842         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
6843         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
6844
6845         wpa_s->no_keep_alive = 0;
6846         wpa_s->own_disconnect_req = 0;
6847
6848         os_free(wpa_s->disallow_aps_bssid);
6849         wpa_s->disallow_aps_bssid = NULL;
6850         wpa_s->disallow_aps_bssid_count = 0;
6851         os_free(wpa_s->disallow_aps_ssid);
6852         wpa_s->disallow_aps_ssid = NULL;
6853         wpa_s->disallow_aps_ssid_count = 0;
6854
6855         wpa_s->set_sta_uapsd = 0;
6856         wpa_s->sta_uapsd = 0;
6857
6858         wpa_drv_radio_disable(wpa_s, 0);
6859         wpa_blacklist_clear(wpa_s);
6860         wpa_s->extra_blacklist_count = 0;
6861         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
6862         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
6863         wpa_config_flush_blobs(wpa_s->conf);
6864         wpa_s->conf->auto_interworking = 0;
6865         wpa_s->conf->okc = 0;
6866
6867         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
6868         rsn_preauth_deinit(wpa_s->wpa);
6869
6870         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
6871         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
6872         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
6873         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
6874
6875         radio_remove_works(wpa_s, NULL, 1);
6876         wpa_s->ext_work_in_progress = 0;
6877
6878         wpa_s->next_ssid = NULL;
6879
6880 #ifdef CONFIG_INTERWORKING
6881 #ifdef CONFIG_HS20
6882         hs20_cancel_fetch_osu(wpa_s);
6883 #endif /* CONFIG_HS20 */
6884 #endif /* CONFIG_INTERWORKING */
6885
6886         wpa_s->ext_mgmt_frame_handling = 0;
6887         wpa_s->ext_eapol_frame_io = 0;
6888 #ifdef CONFIG_TESTING_OPTIONS
6889         wpa_s->extra_roc_dur = 0;
6890         wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
6891 #endif /* CONFIG_TESTING_OPTIONS */
6892
6893         wpa_s->disconnected = 0;
6894         os_free(wpa_s->next_scan_freqs);
6895         wpa_s->next_scan_freqs = NULL;
6896
6897         wpa_bss_flush(wpa_s);
6898         if (!dl_list_empty(&wpa_s->bss)) {
6899                 wpa_printf(MSG_DEBUG,
6900                            "BSS table not empty after flush: %u entries, current_bss=%p bssid="
6901                            MACSTR " pending_bssid=" MACSTR,
6902                            dl_list_len(&wpa_s->bss), wpa_s->current_bss,
6903                            MAC2STR(wpa_s->bssid),
6904                            MAC2STR(wpa_s->pending_bssid));
6905         }
6906
6907         eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
6908 }
6909
6910
6911 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
6912                                      char *buf, size_t buflen)
6913 {
6914         struct wpa_radio_work *work;
6915         char *pos, *end;
6916         struct os_reltime now, diff;
6917
6918         pos = buf;
6919         end = buf + buflen;
6920
6921         os_get_reltime(&now);
6922
6923         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6924         {
6925                 int ret;
6926
6927                 os_reltime_sub(&now, &work->time, &diff);
6928                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
6929                                   work->type, work->wpa_s->ifname, work->freq,
6930                                   work->started, diff.sec, diff.usec);
6931                 if (os_snprintf_error(end - pos, ret))
6932                         break;
6933                 pos += ret;
6934         }
6935
6936         return pos - buf;
6937 }
6938
6939
6940 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
6941 {
6942         struct wpa_radio_work *work = eloop_ctx;
6943         struct wpa_external_work *ework = work->ctx;
6944
6945         wpa_dbg(work->wpa_s, MSG_DEBUG,
6946                 "Timing out external radio work %u (%s)",
6947                 ework->id, work->type);
6948         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
6949         work->wpa_s->ext_work_in_progress = 0;
6950         radio_work_done(work);
6951         os_free(ework);
6952 }
6953
6954
6955 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
6956 {
6957         struct wpa_external_work *ework = work->ctx;
6958
6959         if (deinit) {
6960                 if (work->started)
6961                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6962                                              work, NULL);
6963
6964                 os_free(ework);
6965                 return;
6966         }
6967
6968         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
6969                 ework->id, ework->type);
6970         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
6971         work->wpa_s->ext_work_in_progress = 1;
6972         if (!ework->timeout)
6973                 ework->timeout = 10;
6974         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
6975                                work, NULL);
6976 }
6977
6978
6979 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
6980                                     char *buf, size_t buflen)
6981 {
6982         struct wpa_external_work *ework;
6983         char *pos, *pos2;
6984         size_t type_len;
6985         int ret;
6986         unsigned int freq = 0;
6987
6988         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
6989
6990         ework = os_zalloc(sizeof(*ework));
6991         if (ework == NULL)
6992                 return -1;
6993
6994         pos = os_strchr(cmd, ' ');
6995         if (pos) {
6996                 type_len = pos - cmd;
6997                 pos++;
6998
6999                 pos2 = os_strstr(pos, "freq=");
7000                 if (pos2)
7001                         freq = atoi(pos2 + 5);
7002
7003                 pos2 = os_strstr(pos, "timeout=");
7004                 if (pos2)
7005                         ework->timeout = atoi(pos2 + 8);
7006         } else {
7007                 type_len = os_strlen(cmd);
7008         }
7009         if (4 + type_len >= sizeof(ework->type))
7010                 type_len = sizeof(ework->type) - 4 - 1;
7011         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
7012         os_memcpy(ework->type + 4, cmd, type_len);
7013         ework->type[4 + type_len] = '\0';
7014
7015         wpa_s->ext_work_id++;
7016         if (wpa_s->ext_work_id == 0)
7017                 wpa_s->ext_work_id++;
7018         ework->id = wpa_s->ext_work_id;
7019
7020         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
7021                            ework) < 0) {
7022                 os_free(ework);
7023                 return -1;
7024         }
7025
7026         ret = os_snprintf(buf, buflen, "%u", ework->id);
7027         if (os_snprintf_error(buflen, ret))
7028                 return -1;
7029         return ret;
7030 }
7031
7032
7033 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
7034 {
7035         struct wpa_radio_work *work;
7036         unsigned int id = atoi(cmd);
7037
7038         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
7039         {
7040                 struct wpa_external_work *ework;
7041
7042                 if (os_strncmp(work->type, "ext:", 4) != 0)
7043                         continue;
7044                 ework = work->ctx;
7045                 if (id && ework->id != id)
7046                         continue;
7047                 wpa_dbg(wpa_s, MSG_DEBUG,
7048                         "Completed external radio work %u (%s)",
7049                         ework->id, ework->type);
7050                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
7051                 wpa_s->ext_work_in_progress = 0;
7052                 radio_work_done(work);
7053                 os_free(ework);
7054                 return 3; /* "OK\n" */
7055         }
7056
7057         return -1;
7058 }
7059
7060
7061 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
7062                                 char *buf, size_t buflen)
7063 {
7064         if (os_strcmp(cmd, "show") == 0)
7065                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
7066         if (os_strncmp(cmd, "add ", 4) == 0)
7067                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
7068         if (os_strncmp(cmd, "done ", 5) == 0)
7069                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
7070         return -1;
7071 }
7072
7073
7074 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
7075 {
7076         struct wpa_radio_work *work, *tmp;
7077
7078         if (!wpa_s || !wpa_s->radio)
7079                 return;
7080
7081         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
7082                               struct wpa_radio_work, list) {
7083                 struct wpa_external_work *ework;
7084
7085                 if (os_strncmp(work->type, "ext:", 4) != 0)
7086                         continue;
7087                 ework = work->ctx;
7088                 wpa_dbg(wpa_s, MSG_DEBUG,
7089                         "Flushing%s external radio work %u (%s)",
7090                         work->started ? " started" : "", ework->id,
7091                         ework->type);
7092                 if (work->started)
7093                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
7094                                              work, NULL);
7095                 radio_work_done(work);
7096                 os_free(ework);
7097         }
7098 }
7099
7100
7101 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
7102 {
7103         struct wpa_supplicant *wpa_s = eloop_ctx;
7104         eapol_sm_notify_ctrl_response(wpa_s->eapol);
7105 }
7106
7107
7108 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
7109                               unsigned int *scan_id_count, int scan_id[])
7110 {
7111         const char *pos = value;
7112
7113         while (pos) {
7114                 if (*pos == ' ' || *pos == '\0')
7115                         break;
7116                 if (*scan_id_count == MAX_SCAN_ID)
7117                         return -1;
7118                 scan_id[(*scan_id_count)++] = atoi(pos);
7119                 pos = os_strchr(pos, ',');
7120                 if (pos)
7121                         pos++;
7122         }
7123
7124         return 0;
7125 }
7126
7127
7128 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
7129                            char *reply, int reply_size, int *reply_len)
7130 {
7131         char *pos;
7132         unsigned int manual_scan_passive = 0;
7133         unsigned int manual_scan_use_id = 0;
7134         unsigned int manual_scan_only_new = 0;
7135         unsigned int scan_only = 0;
7136         unsigned int scan_id_count = 0;
7137         int scan_id[MAX_SCAN_ID];
7138         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
7139                                  struct wpa_scan_results *scan_res);
7140         int *manual_scan_freqs = NULL;
7141         struct wpa_ssid_value *ssid = NULL, *ns;
7142         unsigned int ssid_count = 0;
7143
7144         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
7145                 *reply_len = -1;
7146                 return;
7147         }
7148
7149         if (radio_work_pending(wpa_s, "scan")) {
7150                 wpa_printf(MSG_DEBUG,
7151                            "Pending scan scheduled - reject new request");
7152                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7153                 return;
7154         }
7155
7156 #ifdef CONFIG_INTERWORKING
7157         if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) {
7158                 wpa_printf(MSG_DEBUG,
7159                            "Interworking select in progress - reject new scan");
7160                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7161                 return;
7162         }
7163 #endif /* CONFIG_INTERWORKING */
7164
7165         if (params) {
7166                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
7167                         scan_only = 1;
7168
7169                 pos = os_strstr(params, "freq=");
7170                 if (pos) {
7171                         manual_scan_freqs = freq_range_to_channel_list(wpa_s,
7172                                                                        pos + 5);
7173                         if (manual_scan_freqs == NULL) {
7174                                 *reply_len = -1;
7175                                 goto done;
7176                         }
7177                 }
7178
7179                 pos = os_strstr(params, "passive=");
7180                 if (pos)
7181                         manual_scan_passive = !!atoi(pos + 8);
7182
7183                 pos = os_strstr(params, "use_id=");
7184                 if (pos)
7185                         manual_scan_use_id = atoi(pos + 7);
7186
7187                 pos = os_strstr(params, "only_new=1");
7188                 if (pos)
7189                         manual_scan_only_new = 1;
7190
7191                 pos = os_strstr(params, "scan_id=");
7192                 if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
7193                                               scan_id) < 0) {
7194                         *reply_len = -1;
7195                         goto done;
7196                 }
7197
7198                 pos = params;
7199                 while (pos && *pos != '\0') {
7200                         if (os_strncmp(pos, "ssid ", 5) == 0) {
7201                                 char *end;
7202
7203                                 pos += 5;
7204                                 end = pos;
7205                                 while (*end) {
7206                                         if (*end == '\0' || *end == ' ')
7207                                                 break;
7208                                         end++;
7209                                 }
7210
7211                                 ns = os_realloc_array(
7212                                         ssid, ssid_count + 1,
7213                                         sizeof(struct wpa_ssid_value));
7214                                 if (ns == NULL) {
7215                                         *reply_len = -1;
7216                                         goto done;
7217                                 }
7218                                 ssid = ns;
7219
7220                                 if ((end - pos) & 0x01 ||
7221                                     end - pos > 2 * SSID_MAX_LEN ||
7222                                     hexstr2bin(pos, ssid[ssid_count].ssid,
7223                                                (end - pos) / 2) < 0) {
7224                                         wpa_printf(MSG_DEBUG,
7225                                                    "Invalid SSID value '%s'",
7226                                                    pos);
7227                                         *reply_len = -1;
7228                                         goto done;
7229                                 }
7230                                 ssid[ssid_count].ssid_len = (end - pos) / 2;
7231                                 wpa_hexdump_ascii(MSG_DEBUG, "scan SSID",
7232                                                   ssid[ssid_count].ssid,
7233                                                   ssid[ssid_count].ssid_len);
7234                                 ssid_count++;
7235                                 pos = end;
7236                         }
7237
7238                         pos = os_strchr(pos, ' ');
7239                         if (pos)
7240                                 pos++;
7241                 }
7242         }
7243
7244         wpa_s->num_ssids_from_scan_req = ssid_count;
7245         os_free(wpa_s->ssids_from_scan_req);
7246         if (ssid_count) {
7247                 wpa_s->ssids_from_scan_req = ssid;
7248                 ssid = NULL;
7249         } else {
7250                 wpa_s->ssids_from_scan_req = NULL;
7251         }
7252
7253         if (scan_only)
7254                 scan_res_handler = scan_only_handler;
7255         else if (wpa_s->scan_res_handler == scan_only_handler)
7256                 scan_res_handler = NULL;
7257         else
7258                 scan_res_handler = wpa_s->scan_res_handler;
7259
7260         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
7261             ((wpa_s->wpa_state <= WPA_SCANNING) ||
7262              (wpa_s->wpa_state == WPA_COMPLETED))) {
7263                 wpa_s->manual_scan_passive = manual_scan_passive;
7264                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7265                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7266                 wpa_s->scan_id_count = scan_id_count;
7267                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7268                 wpa_s->scan_res_handler = scan_res_handler;
7269                 os_free(wpa_s->manual_scan_freqs);
7270                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7271                 manual_scan_freqs = NULL;
7272
7273                 wpa_s->normal_scans = 0;
7274                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7275                 wpa_s->after_wps = 0;
7276                 wpa_s->known_wps_freq = 0;
7277                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7278                 if (wpa_s->manual_scan_use_id) {
7279                         wpa_s->manual_scan_id++;
7280                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7281                                 wpa_s->manual_scan_id);
7282                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7283                                                  wpa_s->manual_scan_id);
7284                 }
7285         } else if (wpa_s->sched_scanning) {
7286                 wpa_s->manual_scan_passive = manual_scan_passive;
7287                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7288                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7289                 wpa_s->scan_id_count = scan_id_count;
7290                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7291                 wpa_s->scan_res_handler = scan_res_handler;
7292                 os_free(wpa_s->manual_scan_freqs);
7293                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7294                 manual_scan_freqs = NULL;
7295
7296                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
7297                 wpa_supplicant_cancel_sched_scan(wpa_s);
7298                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7299                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7300                 if (wpa_s->manual_scan_use_id) {
7301                         wpa_s->manual_scan_id++;
7302                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7303                                                  wpa_s->manual_scan_id);
7304                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7305                                 wpa_s->manual_scan_id);
7306                 }
7307         } else {
7308                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
7309                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7310         }
7311
7312 done:
7313         os_free(manual_scan_freqs);
7314         os_free(ssid);
7315 }
7316
7317
7318 #ifdef CONFIG_TESTING_OPTIONS
7319
7320 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
7321                                        unsigned int freq, const u8 *dst,
7322                                        const u8 *src, const u8 *bssid,
7323                                        const u8 *data, size_t data_len,
7324                                        enum offchannel_send_action_result
7325                                        result)
7326 {
7327         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
7328                 " src=" MACSTR " bssid=" MACSTR " result=%s",
7329                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
7330                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
7331                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
7332                              "NO_ACK" : "FAILED"));
7333 }
7334
7335
7336 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
7337 {
7338         char *pos, *param;
7339         size_t len;
7340         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
7341         int res, used;
7342         int freq = 0, no_cck = 0, wait_time = 0;
7343
7344         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
7345          *    <action=Action frame payload> */
7346
7347         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
7348
7349         pos = cmd;
7350         used = hwaddr_aton2(pos, da);
7351         if (used < 0)
7352                 return -1;
7353         pos += used;
7354         while (*pos == ' ')
7355                 pos++;
7356         used = hwaddr_aton2(pos, bssid);
7357         if (used < 0)
7358                 return -1;
7359         pos += used;
7360
7361         param = os_strstr(pos, " freq=");
7362         if (param) {
7363                 param += 6;
7364                 freq = atoi(param);
7365         }
7366
7367         param = os_strstr(pos, " no_cck=");
7368         if (param) {
7369                 param += 8;
7370                 no_cck = atoi(param);
7371         }
7372
7373         param = os_strstr(pos, " wait_time=");
7374         if (param) {
7375                 param += 11;
7376                 wait_time = atoi(param);
7377         }
7378
7379         param = os_strstr(pos, " action=");
7380         if (param == NULL)
7381                 return -1;
7382         param += 8;
7383
7384         len = os_strlen(param);
7385         if (len & 1)
7386                 return -1;
7387         len /= 2;
7388
7389         buf = os_malloc(len);
7390         if (buf == NULL)
7391                 return -1;
7392
7393         if (hexstr2bin(param, buf, len) < 0) {
7394                 os_free(buf);
7395                 return -1;
7396         }
7397
7398         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
7399                                      buf, len, wait_time,
7400                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
7401         os_free(buf);
7402         return res;
7403 }
7404
7405
7406 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
7407 {
7408         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
7409         offchannel_send_action_done(wpa_s);
7410 }
7411
7412
7413 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
7414 {
7415         char *pos, *param;
7416         union wpa_event_data event;
7417         enum wpa_event_type ev;
7418
7419         /* <event name> [parameters..] */
7420
7421         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
7422
7423         pos = cmd;
7424         param = os_strchr(pos, ' ');
7425         if (param)
7426                 *param++ = '\0';
7427
7428         os_memset(&event, 0, sizeof(event));
7429
7430         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
7431                 ev = EVENT_INTERFACE_ENABLED;
7432         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
7433                 ev = EVENT_INTERFACE_DISABLED;
7434         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
7435                 ev = EVENT_AVOID_FREQUENCIES;
7436                 if (param == NULL)
7437                         param = "";
7438                 if (freq_range_list_parse(&event.freq_range, param) < 0)
7439                         return -1;
7440                 wpa_supplicant_event(wpa_s, ev, &event);
7441                 os_free(event.freq_range.range);
7442                 return 0;
7443         } else {
7444                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
7445                         cmd);
7446                 return -1;
7447         }
7448
7449         wpa_supplicant_event(wpa_s, ev, &event);
7450
7451         return 0;
7452 }
7453
7454
7455 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
7456 {
7457         char *pos;
7458         u8 src[ETH_ALEN], *buf;
7459         int used;
7460         size_t len;
7461
7462         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
7463
7464         pos = cmd;
7465         used = hwaddr_aton2(pos, src);
7466         if (used < 0)
7467                 return -1;
7468         pos += used;
7469         while (*pos == ' ')
7470                 pos++;
7471
7472         len = os_strlen(pos);
7473         if (len & 1)
7474                 return -1;
7475         len /= 2;
7476
7477         buf = os_malloc(len);
7478         if (buf == NULL)
7479                 return -1;
7480
7481         if (hexstr2bin(pos, buf, len) < 0) {
7482                 os_free(buf);
7483                 return -1;
7484         }
7485
7486         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
7487         os_free(buf);
7488
7489         return 0;
7490 }
7491
7492
7493 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
7494 {
7495         size_t i;
7496         u32 sum = 0;
7497         const u16 *pos = buf;
7498
7499         for (i = 0; i < len / 2; i++)
7500                 sum += *pos++;
7501
7502         while (sum >> 16)
7503                 sum = (sum & 0xffff) + (sum >> 16);
7504
7505         return sum ^ 0xffff;
7506 }
7507
7508
7509 #define HWSIM_PACKETLEN 1500
7510 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
7511
7512 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
7513 {
7514         struct wpa_supplicant *wpa_s = ctx;
7515         const struct ether_header *eth;
7516         struct iphdr ip;
7517         const u8 *pos;
7518         unsigned int i;
7519
7520         if (len != HWSIM_PACKETLEN)
7521                 return;
7522
7523         eth = (const struct ether_header *) buf;
7524         os_memcpy(&ip, eth + 1, sizeof(ip));
7525         pos = &buf[sizeof(*eth) + sizeof(ip)];
7526
7527         if (ip.ihl != 5 || ip.version != 4 ||
7528             ntohs(ip.tot_len) != HWSIM_IP_LEN)
7529                 return;
7530
7531         for (i = 0; i < HWSIM_IP_LEN - sizeof(ip); i++) {
7532                 if (*pos != (u8) i)
7533                         return;
7534                 pos++;
7535         }
7536
7537         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
7538                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
7539 }
7540
7541
7542 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
7543                                             char *cmd)
7544 {
7545         int enabled = atoi(cmd);
7546
7547         if (!enabled) {
7548                 if (wpa_s->l2_test) {
7549                         l2_packet_deinit(wpa_s->l2_test);
7550                         wpa_s->l2_test = NULL;
7551                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
7552                 }
7553                 return 0;
7554         }
7555
7556         if (wpa_s->l2_test)
7557                 return 0;
7558
7559         wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
7560                                         ETHERTYPE_IP, wpas_data_test_rx,
7561                                         wpa_s, 1);
7562         if (wpa_s->l2_test == NULL)
7563                 return -1;
7564
7565         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
7566
7567         return 0;
7568 }
7569
7570
7571 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
7572 {
7573         u8 dst[ETH_ALEN], src[ETH_ALEN];
7574         char *pos;
7575         int used;
7576         long int val;
7577         u8 tos;
7578         u8 buf[2 + HWSIM_PACKETLEN];
7579         struct ether_header *eth;
7580         struct iphdr *ip;
7581         u8 *dpos;
7582         unsigned int i;
7583
7584         if (wpa_s->l2_test == NULL)
7585                 return -1;
7586
7587         /* format: <dst> <src> <tos> */
7588
7589         pos = cmd;
7590         used = hwaddr_aton2(pos, dst);
7591         if (used < 0)
7592                 return -1;
7593         pos += used;
7594         while (*pos == ' ')
7595                 pos++;
7596         used = hwaddr_aton2(pos, src);
7597         if (used < 0)
7598                 return -1;
7599         pos += used;
7600
7601         val = strtol(pos, NULL, 0);
7602         if (val < 0 || val > 0xff)
7603                 return -1;
7604         tos = val;
7605
7606         eth = (struct ether_header *) &buf[2];
7607         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
7608         os_memcpy(eth->ether_shost, src, ETH_ALEN);
7609         eth->ether_type = htons(ETHERTYPE_IP);
7610         ip = (struct iphdr *) (eth + 1);
7611         os_memset(ip, 0, sizeof(*ip));
7612         ip->ihl = 5;
7613         ip->version = 4;
7614         ip->ttl = 64;
7615         ip->tos = tos;
7616         ip->tot_len = htons(HWSIM_IP_LEN);
7617         ip->protocol = 1;
7618         ip->saddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 1);
7619         ip->daddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 2);
7620         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
7621         dpos = (u8 *) (ip + 1);
7622         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
7623                 *dpos++ = i;
7624
7625         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, &buf[2],
7626                            HWSIM_PACKETLEN) < 0)
7627                 return -1;
7628
7629         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
7630                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
7631
7632         return 0;
7633 }
7634
7635
7636 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
7637                                            char *cmd)
7638 {
7639         u8 *buf;
7640         struct ether_header *eth;
7641         struct l2_packet_data *l2 = NULL;
7642         size_t len;
7643         u16 ethertype;
7644         int res = -1;
7645
7646         len = os_strlen(cmd);
7647         if (len & 1 || len < ETH_HLEN * 2)
7648                 return -1;
7649         len /= 2;
7650
7651         buf = os_malloc(len);
7652         if (buf == NULL)
7653                 return -1;
7654
7655         if (hexstr2bin(cmd, buf, len) < 0)
7656                 goto done;
7657
7658         eth = (struct ether_header *) buf;
7659         ethertype = ntohs(eth->ether_type);
7660
7661         l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
7662                             wpas_data_test_rx, wpa_s, 1);
7663         if (l2 == NULL)
7664                 goto done;
7665
7666         res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
7667         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
7668 done:
7669         if (l2)
7670                 l2_packet_deinit(l2);
7671         os_free(buf);
7672
7673         return res < 0 ? -1 : 0;
7674 }
7675
7676
7677 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
7678 {
7679 #ifdef WPA_TRACE_BFD
7680         extern char wpa_trace_fail_func[256];
7681         extern unsigned int wpa_trace_fail_after;
7682         char *pos;
7683
7684         wpa_trace_fail_after = atoi(cmd);
7685         pos = os_strchr(cmd, ':');
7686         if (pos) {
7687                 pos++;
7688                 os_strlcpy(wpa_trace_fail_func, pos,
7689                            sizeof(wpa_trace_fail_func));
7690         } else {
7691                 wpa_trace_fail_after = 0;
7692         }
7693         return 0;
7694 #else /* WPA_TRACE_BFD */
7695         return -1;
7696 #endif /* WPA_TRACE_BFD */
7697 }
7698
7699
7700 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
7701                                     char *buf, size_t buflen)
7702 {
7703 #ifdef WPA_TRACE_BFD
7704         extern char wpa_trace_fail_func[256];
7705         extern unsigned int wpa_trace_fail_after;
7706
7707         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
7708                            wpa_trace_fail_func);
7709 #else /* WPA_TRACE_BFD */
7710         return -1;
7711 #endif /* WPA_TRACE_BFD */
7712 }
7713
7714
7715 static int wpas_ctrl_test_fail(struct wpa_supplicant *wpa_s, char *cmd)
7716 {
7717 #ifdef WPA_TRACE_BFD
7718         extern char wpa_trace_test_fail_func[256];
7719         extern unsigned int wpa_trace_test_fail_after;
7720         char *pos;
7721
7722         wpa_trace_test_fail_after = atoi(cmd);
7723         pos = os_strchr(cmd, ':');
7724         if (pos) {
7725                 pos++;
7726                 os_strlcpy(wpa_trace_test_fail_func, pos,
7727                            sizeof(wpa_trace_test_fail_func));
7728         } else {
7729                 wpa_trace_test_fail_after = 0;
7730         }
7731         return 0;
7732 #else /* WPA_TRACE_BFD */
7733         return -1;
7734 #endif /* WPA_TRACE_BFD */
7735 }
7736
7737
7738 static int wpas_ctrl_get_fail(struct wpa_supplicant *wpa_s,
7739                                     char *buf, size_t buflen)
7740 {
7741 #ifdef WPA_TRACE_BFD
7742         extern char wpa_trace_test_fail_func[256];
7743         extern unsigned int wpa_trace_test_fail_after;
7744
7745         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_test_fail_after,
7746                            wpa_trace_test_fail_func);
7747 #else /* WPA_TRACE_BFD */
7748         return -1;
7749 #endif /* WPA_TRACE_BFD */
7750 }
7751
7752
7753 static void wpas_ctrl_event_test_cb(void *eloop_ctx, void *timeout_ctx)
7754 {
7755         struct wpa_supplicant *wpa_s = eloop_ctx;
7756         int i, count = (intptr_t) timeout_ctx;
7757
7758         wpa_printf(MSG_DEBUG, "TEST: Send %d control interface event messages",
7759                    count);
7760         for (i = 0; i < count; i++) {
7761                 wpa_msg_ctrl(wpa_s, MSG_INFO, "TEST-EVENT-MESSAGE %d/%d",
7762                              i + 1, count);
7763         }
7764 }
7765
7766
7767 static int wpas_ctrl_event_test(struct wpa_supplicant *wpa_s, const char *cmd)
7768 {
7769         int count;
7770
7771         count = atoi(cmd);
7772         if (count <= 0)
7773                 return -1;
7774
7775         return eloop_register_timeout(0, 0, wpas_ctrl_event_test_cb, wpa_s,
7776                                       (void *) (intptr_t) count);
7777 }
7778
7779 #endif /* CONFIG_TESTING_OPTIONS */
7780
7781
7782 static void wpas_ctrl_vendor_elem_update(struct wpa_supplicant *wpa_s)
7783 {
7784         unsigned int i;
7785         char buf[30];
7786
7787         wpa_printf(MSG_DEBUG, "Update vendor elements");
7788
7789         for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
7790                 if (wpa_s->vendor_elem[i]) {
7791                         int res;
7792
7793                         res = os_snprintf(buf, sizeof(buf), "frame[%u]", i);
7794                         if (!os_snprintf_error(sizeof(buf), res)) {
7795                                 wpa_hexdump_buf(MSG_DEBUG, buf,
7796                                                 wpa_s->vendor_elem[i]);
7797                         }
7798                 }
7799         }
7800
7801 #ifdef CONFIG_P2P
7802         if (wpa_s->parent == wpa_s &&
7803             wpa_s->global->p2p &&
7804             !wpa_s->global->p2p_disabled)
7805                 p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem);
7806 #endif /* CONFIG_P2P */
7807 }
7808
7809
7810 static struct wpa_supplicant *
7811 wpas_ctrl_vendor_elem_iface(struct wpa_supplicant *wpa_s,
7812                             enum wpa_vendor_elem_frame frame)
7813 {
7814         switch (frame) {
7815 #ifdef CONFIG_P2P
7816         case VENDOR_ELEM_PROBE_REQ_P2P:
7817         case VENDOR_ELEM_PROBE_RESP_P2P:
7818         case VENDOR_ELEM_PROBE_RESP_P2P_GO:
7819         case VENDOR_ELEM_BEACON_P2P_GO:
7820         case VENDOR_ELEM_P2P_PD_REQ:
7821         case VENDOR_ELEM_P2P_PD_RESP:
7822         case VENDOR_ELEM_P2P_GO_NEG_REQ:
7823         case VENDOR_ELEM_P2P_GO_NEG_RESP:
7824         case VENDOR_ELEM_P2P_GO_NEG_CONF:
7825         case VENDOR_ELEM_P2P_INV_REQ:
7826         case VENDOR_ELEM_P2P_INV_RESP:
7827         case VENDOR_ELEM_P2P_ASSOC_REQ:
7828         case VENDOR_ELEM_P2P_ASSOC_RESP:
7829                 return wpa_s->parent;
7830 #endif /* CONFIG_P2P */
7831         default:
7832                 return wpa_s;
7833         }
7834 }
7835
7836
7837 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
7838 {
7839         char *pos = cmd;
7840         int frame;
7841         size_t len;
7842         struct wpabuf *buf;
7843         struct ieee802_11_elems elems;
7844
7845         frame = atoi(pos);
7846         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7847                 return -1;
7848         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7849
7850         pos = os_strchr(pos, ' ');
7851         if (pos == NULL)
7852                 return -1;
7853         pos++;
7854
7855         len = os_strlen(pos);
7856         if (len == 0)
7857                 return 0;
7858         if (len & 1)
7859                 return -1;
7860         len /= 2;
7861
7862         buf = wpabuf_alloc(len);
7863         if (buf == NULL)
7864                 return -1;
7865
7866         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
7867                 wpabuf_free(buf);
7868                 return -1;
7869         }
7870
7871         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
7872             ParseFailed) {
7873                 wpabuf_free(buf);
7874                 return -1;
7875         }
7876
7877         if (wpa_s->vendor_elem[frame] == NULL) {
7878                 wpa_s->vendor_elem[frame] = buf;
7879                 wpas_ctrl_vendor_elem_update(wpa_s);
7880                 return 0;
7881         }
7882
7883         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
7884                 wpabuf_free(buf);
7885                 return -1;
7886         }
7887
7888         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
7889         wpabuf_free(buf);
7890         wpas_ctrl_vendor_elem_update(wpa_s);
7891
7892         return 0;
7893 }
7894
7895
7896 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
7897                                      char *buf, size_t buflen)
7898 {
7899         int frame = atoi(cmd);
7900
7901         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7902                 return -1;
7903         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7904
7905         if (wpa_s->vendor_elem[frame] == NULL)
7906                 return 0;
7907
7908         return wpa_snprintf_hex(buf, buflen,
7909                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
7910                                 wpabuf_len(wpa_s->vendor_elem[frame]));
7911 }
7912
7913
7914 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
7915 {
7916         char *pos = cmd;
7917         int frame;
7918         size_t len;
7919         u8 *buf;
7920         struct ieee802_11_elems elems;
7921         u8 *ie, *end;
7922
7923         frame = atoi(pos);
7924         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7925                 return -1;
7926         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7927
7928         pos = os_strchr(pos, ' ');
7929         if (pos == NULL)
7930                 return -1;
7931         pos++;
7932
7933         if (*pos == '*') {
7934                 wpabuf_free(wpa_s->vendor_elem[frame]);
7935                 wpa_s->vendor_elem[frame] = NULL;
7936                 wpas_ctrl_vendor_elem_update(wpa_s);
7937                 return 0;
7938         }
7939
7940         if (wpa_s->vendor_elem[frame] == NULL)
7941                 return -1;
7942
7943         len = os_strlen(pos);
7944         if (len == 0)
7945                 return 0;
7946         if (len & 1)
7947                 return -1;
7948         len /= 2;
7949
7950         buf = os_malloc(len);
7951         if (buf == NULL)
7952                 return -1;
7953
7954         if (hexstr2bin(pos, buf, len) < 0) {
7955                 os_free(buf);
7956                 return -1;
7957         }
7958
7959         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
7960                 os_free(buf);
7961                 return -1;
7962         }
7963
7964         ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]);
7965         end = ie + wpabuf_len(wpa_s->vendor_elem[frame]);
7966
7967         for (; ie + 1 < end; ie += 2 + ie[1]) {
7968                 if (ie + len > end)
7969                         break;
7970                 if (os_memcmp(ie, buf, len) != 0)
7971                         continue;
7972
7973                 if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) {
7974                         wpabuf_free(wpa_s->vendor_elem[frame]);
7975                         wpa_s->vendor_elem[frame] = NULL;
7976                 } else {
7977                         os_memmove(ie, ie + len,
7978                                    end - (ie + len));
7979                         wpa_s->vendor_elem[frame]->used -= len;
7980                 }
7981                 os_free(buf);
7982                 wpas_ctrl_vendor_elem_update(wpa_s);
7983                 return 0;
7984         }
7985
7986         os_free(buf);
7987
7988         return -1;
7989 }
7990
7991
7992 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
7993 {
7994         struct wpa_supplicant *wpa_s = ctx;
7995
7996         if (neighbor_rep) {
7997                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
7998                              "length=%u",
7999                              (unsigned int) wpabuf_len(neighbor_rep));
8000                 wpabuf_free(neighbor_rep);
8001         } else {
8002                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
8003         }
8004 }
8005
8006
8007 static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s,
8008                                             char *cmd)
8009 {
8010         struct wpa_ssid ssid;
8011         struct wpa_ssid *ssid_p = NULL;
8012         int ret = 0;
8013
8014         if (os_strncmp(cmd, " ssid=", 6) == 0) {
8015                 ssid.ssid_len = os_strlen(cmd + 6);
8016                 if (ssid.ssid_len > SSID_MAX_LEN)
8017                         return -1;
8018                 ssid.ssid = (u8 *) (cmd + 6);
8019                 ssid_p = &ssid;
8020         }
8021
8022         ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p,
8023                                                  wpas_ctrl_neighbor_rep_cb,
8024                                                  wpa_s);
8025
8026         return ret;
8027 }
8028
8029
8030 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
8031 {
8032         eapol_sm_erp_flush(wpa_s->eapol);
8033         return 0;
8034 }
8035
8036
8037 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
8038                                          char *cmd)
8039 {
8040         char *token, *context = NULL;
8041         unsigned int enable = ~0, type = 0;
8042         u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
8043         u8 *addr = NULL, *mask = NULL;
8044
8045         while ((token = str_token(cmd, " ", &context))) {
8046                 if (os_strcasecmp(token, "scan") == 0) {
8047                         type |= MAC_ADDR_RAND_SCAN;
8048                 } else if (os_strcasecmp(token, "sched") == 0) {
8049                         type |= MAC_ADDR_RAND_SCHED_SCAN;
8050                 } else if (os_strcasecmp(token, "pno") == 0) {
8051                         type |= MAC_ADDR_RAND_PNO;
8052                 } else if (os_strcasecmp(token, "all") == 0) {
8053                         type = wpa_s->mac_addr_rand_supported;
8054                 } else if (os_strncasecmp(token, "enable=", 7) == 0) {
8055                         enable = atoi(token + 7);
8056                 } else if (os_strncasecmp(token, "addr=", 5) == 0) {
8057                         addr = _addr;
8058                         if (hwaddr_aton(token + 5, addr)) {
8059                                 wpa_printf(MSG_INFO,
8060                                            "CTRL: Invalid MAC address: %s",
8061                                            token);
8062                                 return -1;
8063                         }
8064                 } else if (os_strncasecmp(token, "mask=", 5) == 0) {
8065                         mask = _mask;
8066                         if (hwaddr_aton(token + 5, mask)) {
8067                                 wpa_printf(MSG_INFO,
8068                                            "CTRL: Invalid MAC address mask: %s",
8069                                            token);
8070                                 return -1;
8071                         }
8072                 } else {
8073                         wpa_printf(MSG_INFO,
8074                                    "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
8075                                    token);
8076                         return -1;
8077                 }
8078         }
8079
8080         if (!type) {
8081                 wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
8082                 return -1;
8083         }
8084
8085         if ((wpa_s->mac_addr_rand_supported & type) != type) {
8086                 wpa_printf(MSG_INFO,
8087                            "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
8088                            type, wpa_s->mac_addr_rand_supported);
8089                 return -1;
8090         }
8091
8092         if (enable > 1) {
8093                 wpa_printf(MSG_INFO,
8094                            "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
8095                 return -1;
8096         }
8097
8098         if (!enable) {
8099                 wpas_mac_addr_rand_scan_clear(wpa_s, type);
8100                 if (wpa_s->pno) {
8101                         if (type & MAC_ADDR_RAND_PNO) {
8102                                 wpas_stop_pno(wpa_s);
8103                                 wpas_start_pno(wpa_s);
8104                         }
8105                 } else if (wpa_s->sched_scanning &&
8106                            (type & MAC_ADDR_RAND_SCHED_SCAN)) {
8107                         /* simulate timeout to restart the sched scan */
8108                         wpa_s->sched_scan_timed_out = 1;
8109                         wpa_s->prev_sched_ssid = NULL;
8110                         wpa_supplicant_cancel_sched_scan(wpa_s);
8111                 }
8112                 return 0;
8113         }
8114
8115         if ((addr && !mask) || (!addr && mask)) {
8116                 wpa_printf(MSG_INFO,
8117                            "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
8118                 return -1;
8119         }
8120
8121         if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
8122                 wpa_printf(MSG_INFO,
8123                            "CTRL: MAC_RAND_SCAN cannot allow multicast address");
8124                 return -1;
8125         }
8126
8127         if (type & MAC_ADDR_RAND_SCAN) {
8128                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
8129                                             addr, mask);
8130         }
8131
8132         if (type & MAC_ADDR_RAND_SCHED_SCAN) {
8133                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
8134                                             addr, mask);
8135
8136                 if (wpa_s->sched_scanning && !wpa_s->pno) {
8137                         /* simulate timeout to restart the sched scan */
8138                         wpa_s->sched_scan_timed_out = 1;
8139                         wpa_s->prev_sched_ssid = NULL;
8140                         wpa_supplicant_cancel_sched_scan(wpa_s);
8141                 }
8142         }
8143
8144         if (type & MAC_ADDR_RAND_PNO) {
8145                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
8146                                             addr, mask);
8147                 if (wpa_s->pno) {
8148                         wpas_stop_pno(wpa_s);
8149                         wpas_start_pno(wpa_s);
8150                 }
8151         }
8152
8153         return 0;
8154 }
8155
8156
8157 static int wpas_ctrl_cmd_debug_level(const char *cmd)
8158 {
8159         if (os_strcmp(cmd, "PING") == 0 ||
8160             os_strncmp(cmd, "BSS ", 4) == 0 ||
8161             os_strncmp(cmd, "GET_NETWORK ", 12) == 0 ||
8162             os_strncmp(cmd, "STATUS", 6) == 0 ||
8163             os_strncmp(cmd, "STA ", 4) == 0 ||
8164             os_strncmp(cmd, "STA-", 4) == 0)
8165                 return MSG_EXCESSIVE;
8166         return MSG_DEBUG;
8167 }
8168
8169
8170 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
8171                                          char *buf, size_t *resp_len)
8172 {
8173         char *reply;
8174         const int reply_size = 4096;
8175         int reply_len;
8176
8177         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
8178             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8179                 if (wpa_debug_show_keys)
8180                         wpa_dbg(wpa_s, MSG_DEBUG,
8181                                 "Control interface command '%s'", buf);
8182                 else
8183                         wpa_dbg(wpa_s, MSG_DEBUG,
8184                                 "Control interface command '%s [REMOVED]'",
8185                                 os_strncmp(buf, WPA_CTRL_RSP,
8186                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
8187                                 WPA_CTRL_RSP : "SET_NETWORK");
8188         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
8189                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
8190                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
8191                                       (const u8 *) buf, os_strlen(buf));
8192         } else {
8193                 int level = wpas_ctrl_cmd_debug_level(buf);
8194                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
8195         }
8196
8197         reply = os_malloc(reply_size);
8198         if (reply == NULL) {
8199                 *resp_len = 1;
8200                 return NULL;
8201         }
8202
8203         os_memcpy(reply, "OK\n", 3);
8204         reply_len = 3;
8205
8206         if (os_strcmp(buf, "PING") == 0) {
8207                 os_memcpy(reply, "PONG\n", 5);
8208                 reply_len = 5;
8209         } else if (os_strcmp(buf, "IFNAME") == 0) {
8210                 reply_len = os_strlen(wpa_s->ifname);
8211                 os_memcpy(reply, wpa_s->ifname, reply_len);
8212         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
8213                 if (wpa_debug_reopen_file() < 0)
8214                         reply_len = -1;
8215         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
8216                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
8217         } else if (os_strcmp(buf, "MIB") == 0) {
8218                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
8219                 if (reply_len >= 0) {
8220                         reply_len += eapol_sm_get_mib(wpa_s->eapol,
8221                                                       reply + reply_len,
8222                                                       reply_size - reply_len);
8223                 }
8224         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
8225                 reply_len = wpa_supplicant_ctrl_iface_status(
8226                         wpa_s, buf + 6, reply, reply_size);
8227         } else if (os_strcmp(buf, "PMKSA") == 0) {
8228                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
8229                                                     reply_size);
8230         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
8231                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
8232         } else if (os_strncmp(buf, "SET ", 4) == 0) {
8233                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
8234                         reply_len = -1;
8235         } else if (os_strncmp(buf, "DUMP", 4) == 0) {
8236                 reply_len = wpa_config_dump_values(wpa_s->conf,
8237                                                    reply, reply_size);
8238         } else if (os_strncmp(buf, "GET ", 4) == 0) {
8239                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
8240                                                           reply, reply_size);
8241         } else if (os_strcmp(buf, "LOGON") == 0) {
8242                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
8243         } else if (os_strcmp(buf, "LOGOFF") == 0) {
8244                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
8245         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
8246                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8247                         reply_len = -1;
8248                 else
8249                         wpas_request_connection(wpa_s);
8250         } else if (os_strcmp(buf, "REATTACH") == 0) {
8251                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
8252                     !wpa_s->current_ssid)
8253                         reply_len = -1;
8254                 else {
8255                         wpa_s->reattach = 1;
8256                         wpas_request_connection(wpa_s);
8257                 }
8258         } else if (os_strcmp(buf, "RECONNECT") == 0) {
8259                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8260                         reply_len = -1;
8261                 else if (wpa_s->disconnected)
8262                         wpas_request_connection(wpa_s);
8263 #ifdef IEEE8021X_EAPOL
8264         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
8265                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
8266                         reply_len = -1;
8267 #endif /* IEEE8021X_EAPOL */
8268 #ifdef CONFIG_PEERKEY
8269         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
8270                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
8271                         reply_len = -1;
8272 #endif /* CONFIG_PEERKEY */
8273 #ifdef CONFIG_IEEE80211R
8274         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
8275                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
8276                         reply_len = -1;
8277 #endif /* CONFIG_IEEE80211R */
8278 #ifdef CONFIG_WPS
8279         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
8280                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
8281                 if (res == -2) {
8282                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8283                         reply_len = 17;
8284                 } else if (res)
8285                         reply_len = -1;
8286         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
8287                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
8288                 if (res == -2) {
8289                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8290                         reply_len = 17;
8291                 } else if (res)
8292                         reply_len = -1;
8293         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
8294                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
8295                                                               reply,
8296                                                               reply_size);
8297         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
8298                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
8299                         wpa_s, buf + 14, reply, reply_size);
8300         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
8301                 if (wpas_wps_cancel(wpa_s))
8302                         reply_len = -1;
8303 #ifdef CONFIG_WPS_NFC
8304         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
8305                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
8306                         reply_len = -1;
8307         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
8308                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
8309                         reply_len = -1;
8310         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
8311                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
8312                         wpa_s, buf + 21, reply, reply_size);
8313         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
8314                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
8315                         wpa_s, buf + 14, reply, reply_size);
8316         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
8317                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
8318                                                                buf + 17))
8319                         reply_len = -1;
8320         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
8321                 reply_len = wpas_ctrl_nfc_get_handover_req(
8322                         wpa_s, buf + 21, reply, reply_size);
8323         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
8324                 reply_len = wpas_ctrl_nfc_get_handover_sel(
8325                         wpa_s, buf + 21, reply, reply_size);
8326         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
8327                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
8328                         reply_len = -1;
8329 #endif /* CONFIG_WPS_NFC */
8330         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
8331                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
8332                         reply_len = -1;
8333 #ifdef CONFIG_AP
8334         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
8335                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
8336                         wpa_s, buf + 11, reply, reply_size);
8337 #endif /* CONFIG_AP */
8338 #ifdef CONFIG_WPS_ER
8339         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
8340                 if (wpas_wps_er_start(wpa_s, NULL))
8341                         reply_len = -1;
8342         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
8343                 if (wpas_wps_er_start(wpa_s, buf + 13))
8344                         reply_len = -1;
8345         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
8346                 wpas_wps_er_stop(wpa_s);
8347         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
8348                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
8349                         reply_len = -1;
8350         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
8351                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
8352                 if (ret == -2) {
8353                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8354                         reply_len = 17;
8355                 } else if (ret == -3) {
8356                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
8357                         reply_len = 18;
8358                 } else if (ret == -4) {
8359                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
8360                         reply_len = 20;
8361                 } else if (ret)
8362                         reply_len = -1;
8363         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
8364                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
8365                         reply_len = -1;
8366         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
8367                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
8368                                                                 buf + 18))
8369                         reply_len = -1;
8370         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
8371                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
8372                         reply_len = -1;
8373 #ifdef CONFIG_WPS_NFC
8374         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
8375                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
8376                         wpa_s, buf + 24, reply, reply_size);
8377 #endif /* CONFIG_WPS_NFC */
8378 #endif /* CONFIG_WPS_ER */
8379 #endif /* CONFIG_WPS */
8380 #ifdef CONFIG_IBSS_RSN
8381         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
8382                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
8383                         reply_len = -1;
8384 #endif /* CONFIG_IBSS_RSN */
8385 #ifdef CONFIG_MESH
8386         } else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
8387                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8388                         wpa_s, buf + 19, reply, reply_size);
8389         } else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
8390                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8391                         wpa_s, "", reply, reply_size);
8392         } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
8393                 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
8394                         reply_len = -1;
8395         } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
8396                 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
8397                                                                 buf + 18))
8398                         reply_len = -1;
8399 #endif /* CONFIG_MESH */
8400 #ifdef CONFIG_P2P
8401         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
8402                 if (p2p_ctrl_find(wpa_s, buf + 8))
8403                         reply_len = -1;
8404         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
8405                 if (p2p_ctrl_find(wpa_s, ""))
8406                         reply_len = -1;
8407         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
8408                 wpas_p2p_stop_find(wpa_s);
8409         } else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
8410                 if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
8411                         reply_len = -1;
8412         } else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
8413                 if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
8414                         reply_len = -1;
8415         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
8416                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
8417                                              reply_size);
8418         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
8419                 if (p2p_ctrl_listen(wpa_s, buf + 11))
8420                         reply_len = -1;
8421         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
8422                 if (p2p_ctrl_listen(wpa_s, ""))
8423                         reply_len = -1;
8424         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
8425                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
8426                         reply_len = -1;
8427         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
8428                 if (p2p_ctrl_group_add(wpa_s, ""))
8429                         reply_len = -1;
8430         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
8431                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
8432                         reply_len = -1;
8433         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
8434                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
8435                         reply_len = -1;
8436         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
8437                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
8438         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
8439                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
8440                                                    reply_size);
8441         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
8442                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
8443                         reply_len = -1;
8444         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
8445                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
8446                         reply_len = -1;
8447         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
8448                 wpas_p2p_sd_service_update(wpa_s);
8449         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
8450                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
8451                         reply_len = -1;
8452         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
8453                 wpas_p2p_service_flush(wpa_s);
8454         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
8455                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
8456                         reply_len = -1;
8457         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
8458                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
8459                         reply_len = -1;
8460         } else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
8461                 if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
8462                         reply_len = -1;
8463         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
8464                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
8465                         reply_len = -1;
8466         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
8467                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
8468                         reply_len = -1;
8469         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
8470                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
8471                                               reply_size);
8472         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
8473                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
8474                         reply_len = -1;
8475         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
8476                 p2p_ctrl_flush(wpa_s);
8477         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
8478                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
8479                         reply_len = -1;
8480         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
8481                 if (wpas_p2p_cancel(wpa_s))
8482                         reply_len = -1;
8483         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
8484                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
8485                         reply_len = -1;
8486         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
8487                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
8488                         reply_len = -1;
8489         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
8490                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
8491                         reply_len = -1;
8492         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
8493                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
8494                         reply_len = -1;
8495         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
8496                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
8497                         reply_len = -1;
8498 #endif /* CONFIG_P2P */
8499 #ifdef CONFIG_WIFI_DISPLAY
8500         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
8501                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
8502                         reply_len = -1;
8503         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
8504                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
8505                                                      reply, reply_size);
8506 #endif /* CONFIG_WIFI_DISPLAY */
8507 #ifdef CONFIG_INTERWORKING
8508         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
8509                 if (interworking_fetch_anqp(wpa_s) < 0)
8510                         reply_len = -1;
8511         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
8512                 interworking_stop_fetch_anqp(wpa_s);
8513         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
8514                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
8515                         reply_len = -1;
8516         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
8517                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
8518                         reply_len = -1;
8519         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
8520                 if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
8521                         reply_len = -1;
8522         } else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
8523                 int id;
8524
8525                 id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
8526                 if (id < 0)
8527                         reply_len = -1;
8528                 else {
8529                         reply_len = os_snprintf(reply, reply_size, "%d\n", id);
8530                         if (os_snprintf_error(reply_size, reply_len))
8531                                 reply_len = -1;
8532                 }
8533         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
8534                 if (get_anqp(wpa_s, buf + 9) < 0)
8535                         reply_len = -1;
8536         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
8537                 if (gas_request(wpa_s, buf + 12) < 0)
8538                         reply_len = -1;
8539         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
8540                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
8541                                              reply_size);
8542 #endif /* CONFIG_INTERWORKING */
8543 #ifdef CONFIG_HS20
8544         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
8545                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
8546                         reply_len = -1;
8547         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
8548                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
8549                         reply_len = -1;
8550         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
8551                 if (hs20_icon_request(wpa_s, buf + 18) < 0)
8552                         reply_len = -1;
8553         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
8554                 if (hs20_fetch_osu(wpa_s) < 0)
8555                         reply_len = -1;
8556         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
8557                 hs20_cancel_fetch_osu(wpa_s);
8558 #endif /* CONFIG_HS20 */
8559         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
8560         {
8561                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
8562                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
8563                         reply_len = -1;
8564                 else {
8565                         /*
8566                          * Notify response from timeout to allow the control
8567                          * interface response to be sent first.
8568                          */
8569                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
8570                                                wpa_s, NULL);
8571                 }
8572         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
8573                 if (wpa_supplicant_reload_configuration(wpa_s))
8574                         reply_len = -1;
8575         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8576                 wpa_supplicant_terminate_proc(wpa_s->global);
8577         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
8578                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
8579                         reply_len = -1;
8580         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
8581                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
8582                         wpa_s, buf + 9, reply, reply_size);
8583         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
8584                 reply_len = wpa_supplicant_ctrl_iface_log_level(
8585                         wpa_s, buf + 9, reply, reply_size);
8586         } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
8587                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8588                         wpa_s, buf + 14, reply, reply_size);
8589         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
8590                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8591                         wpa_s, NULL, reply, reply_size);
8592         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
8593 #ifdef CONFIG_SME
8594                 wpa_s->sme.prev_bssid_set = 0;
8595 #endif /* CONFIG_SME */
8596                 wpa_s->reassociate = 0;
8597                 wpa_s->disconnected = 1;
8598                 wpa_supplicant_cancel_sched_scan(wpa_s);
8599                 wpa_supplicant_cancel_scan(wpa_s);
8600                 wpa_supplicant_deauthenticate(wpa_s,
8601                                               WLAN_REASON_DEAUTH_LEAVING);
8602                 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
8603         } else if (os_strcmp(buf, "SCAN") == 0) {
8604                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
8605         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
8606                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
8607         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
8608                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
8609                         wpa_s, reply, reply_size);
8610         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
8611                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
8612                         reply_len = -1;
8613         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
8614                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
8615                         reply_len = -1;
8616         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
8617                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
8618                         reply_len = -1;
8619         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
8620                 reply_len = wpa_supplicant_ctrl_iface_add_network(
8621                         wpa_s, reply, reply_size);
8622         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
8623                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
8624                         reply_len = -1;
8625         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8626                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
8627                         reply_len = -1;
8628         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
8629                 reply_len = wpa_supplicant_ctrl_iface_get_network(
8630                         wpa_s, buf + 12, reply, reply_size);
8631         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
8632                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12,
8633                                                           wpa_s))
8634                         reply_len = -1;
8635         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
8636                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
8637                         wpa_s, reply, reply_size);
8638         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
8639                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
8640                         wpa_s, reply, reply_size);
8641         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
8642                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
8643                         reply_len = -1;
8644         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
8645                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
8646                         reply_len = -1;
8647         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
8648                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
8649                                                                reply,
8650                                                                reply_size);
8651 #ifndef CONFIG_NO_CONFIG_WRITE
8652         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8653                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
8654                         reply_len = -1;
8655 #endif /* CONFIG_NO_CONFIG_WRITE */
8656         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
8657                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
8658                         wpa_s, buf + 15, reply, reply_size);
8659         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
8660                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
8661                         reply_len = -1;
8662         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
8663                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
8664                         reply_len = -1;
8665         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8666                 reply_len = wpa_supplicant_global_iface_list(
8667                         wpa_s->global, reply, reply_size);
8668         } else if (os_strcmp(buf, "INTERFACES") == 0) {
8669                 reply_len = wpa_supplicant_global_iface_interfaces(
8670                         wpa_s->global, reply, reply_size);
8671         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
8672                 reply_len = wpa_supplicant_ctrl_iface_bss(
8673                         wpa_s, buf + 4, reply, reply_size);
8674 #ifdef CONFIG_AP
8675         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
8676                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
8677         } else if (os_strncmp(buf, "STA ", 4) == 0) {
8678                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
8679                                               reply_size);
8680         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
8681                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
8682                                                    reply_size);
8683         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
8684                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
8685                         reply_len = -1;
8686         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
8687                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
8688                         reply_len = -1;
8689         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
8690                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
8691                         reply_len = -1;
8692         } else if (os_strcmp(buf, "STOP_AP") == 0) {
8693                 if (wpas_ap_stop_ap(wpa_s))
8694                         reply_len = -1;
8695 #endif /* CONFIG_AP */
8696         } else if (os_strcmp(buf, "SUSPEND") == 0) {
8697                 wpas_notify_suspend(wpa_s->global);
8698         } else if (os_strcmp(buf, "RESUME") == 0) {
8699                 wpas_notify_resume(wpa_s->global);
8700 #ifdef CONFIG_TESTING_OPTIONS
8701         } else if (os_strcmp(buf, "DROP_SA") == 0) {
8702                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
8703 #endif /* CONFIG_TESTING_OPTIONS */
8704         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
8705                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
8706                         reply_len = -1;
8707         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
8708                 wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
8709         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
8710                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
8711                         reply_len = -1;
8712         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
8713                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
8714                                                                buf + 17))
8715                         reply_len = -1;
8716         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
8717                 wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
8718 #ifdef CONFIG_TDLS
8719         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
8720                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
8721                         reply_len = -1;
8722         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
8723                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
8724                         reply_len = -1;
8725         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
8726                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
8727                         reply_len = -1;
8728         } else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
8729                 if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
8730                                                                buf + 17))
8731                         reply_len = -1;
8732         } else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
8733                 if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
8734                                                                       buf + 24))
8735                         reply_len = -1;
8736         } else if (os_strncmp(buf, "TDLS_LINK_STATUS ", 17) == 0) {
8737                 reply_len = wpa_supplicant_ctrl_iface_tdls_link_status(
8738                         wpa_s, buf + 17, reply, reply_size);
8739 #endif /* CONFIG_TDLS */
8740         } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
8741                 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
8742         } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
8743                 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
8744                         reply_len = -1;
8745         } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
8746                 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
8747                         reply_len = -1;
8748         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
8749                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
8750                                                        reply_size);
8751         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
8752                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
8753                                                        reply_size);
8754 #ifdef CONFIG_AUTOSCAN
8755         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
8756                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
8757                         reply_len = -1;
8758 #endif /* CONFIG_AUTOSCAN */
8759 #ifdef ANDROID
8760         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
8761                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
8762                                                       reply_size);
8763 #endif /* ANDROID */
8764         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
8765                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
8766                                                       reply_size);
8767         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
8768                 pmksa_cache_clear_current(wpa_s->wpa);
8769                 eapol_sm_request_reauth(wpa_s->eapol);
8770 #ifdef CONFIG_WNM
8771         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
8772                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
8773                         reply_len = -1;
8774         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
8775                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
8776                                 reply_len = -1;
8777 #endif /* CONFIG_WNM */
8778         } else if (os_strcmp(buf, "FLUSH") == 0) {
8779                 wpa_supplicant_ctrl_iface_flush(wpa_s);
8780         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
8781                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
8782                                                  reply_size);
8783 #ifdef CONFIG_TESTING_OPTIONS
8784         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
8785                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
8786                         reply_len = -1;
8787         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
8788                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
8789         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
8790                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
8791                         reply_len = -1;
8792         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
8793                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
8794                         reply_len = -1;
8795         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
8796                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
8797                         reply_len = -1;
8798         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
8799                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
8800                         reply_len = -1;
8801         } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
8802                 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
8803                         reply_len = -1;
8804         } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
8805                 if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
8806                         reply_len = -1;
8807         } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
8808                 reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
8809         } else if (os_strncmp(buf, "TEST_FAIL ", 10) == 0) {
8810                 if (wpas_ctrl_test_fail(wpa_s, buf + 10) < 0)
8811                         reply_len = -1;
8812         } else if (os_strcmp(buf, "GET_FAIL") == 0) {
8813                 reply_len = wpas_ctrl_get_fail(wpa_s, reply, reply_size);
8814         } else if (os_strncmp(buf, "EVENT_TEST ", 11) == 0) {
8815                 if (wpas_ctrl_event_test(wpa_s, buf + 11) < 0)
8816                         reply_len = -1;
8817 #endif /* CONFIG_TESTING_OPTIONS */
8818         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
8819                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
8820                         reply_len = -1;
8821         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
8822                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
8823                                                       reply_size);
8824         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
8825                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
8826                         reply_len = -1;
8827         } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
8828                 if (wpas_ctrl_iface_send_neigbor_rep(wpa_s, buf + 20))
8829                         reply_len = -1;
8830         } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
8831                 wpas_ctrl_iface_erp_flush(wpa_s);
8832         } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
8833                 if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
8834                         reply_len = -1;
8835         } else if (os_strncmp(buf, "GET_PREF_FREQ_LIST ", 19) == 0) {
8836                 reply_len = wpas_ctrl_iface_get_pref_freq_list(
8837                         wpa_s, buf + 19, reply, reply_size);
8838         } else {
8839                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8840                 reply_len = 16;
8841         }
8842
8843         if (reply_len < 0) {
8844                 os_memcpy(reply, "FAIL\n", 5);
8845                 reply_len = 5;
8846         }
8847
8848         *resp_len = reply_len;
8849         return reply;
8850 }
8851
8852
8853 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
8854                                            char *cmd)
8855 {
8856         struct wpa_interface iface;
8857         char *pos, *extra;
8858         struct wpa_supplicant *wpa_s;
8859         unsigned int create_iface = 0;
8860         u8 mac_addr[ETH_ALEN];
8861
8862         /*
8863          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
8864          * TAB<bridge_ifname>[TAB<create>]
8865          */
8866         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
8867
8868         os_memset(&iface, 0, sizeof(iface));
8869
8870         do {
8871                 iface.ifname = pos = cmd;
8872                 pos = os_strchr(pos, '\t');
8873                 if (pos)
8874                         *pos++ = '\0';
8875                 if (iface.ifname[0] == '\0')
8876                         return -1;
8877                 if (pos == NULL)
8878                         break;
8879
8880                 iface.confname = pos;
8881                 pos = os_strchr(pos, '\t');
8882                 if (pos)
8883                         *pos++ = '\0';
8884                 if (iface.confname[0] == '\0')
8885                         iface.confname = NULL;
8886                 if (pos == NULL)
8887                         break;
8888
8889                 iface.driver = pos;
8890                 pos = os_strchr(pos, '\t');
8891                 if (pos)
8892                         *pos++ = '\0';
8893                 if (iface.driver[0] == '\0')
8894                         iface.driver = NULL;
8895                 if (pos == NULL)
8896                         break;
8897
8898                 iface.ctrl_interface = pos;
8899                 pos = os_strchr(pos, '\t');
8900                 if (pos)
8901                         *pos++ = '\0';
8902                 if (iface.ctrl_interface[0] == '\0')
8903                         iface.ctrl_interface = NULL;
8904                 if (pos == NULL)
8905                         break;
8906
8907                 iface.driver_param = pos;
8908                 pos = os_strchr(pos, '\t');
8909                 if (pos)
8910                         *pos++ = '\0';
8911                 if (iface.driver_param[0] == '\0')
8912                         iface.driver_param = NULL;
8913                 if (pos == NULL)
8914                         break;
8915
8916                 iface.bridge_ifname = pos;
8917                 pos = os_strchr(pos, '\t');
8918                 if (pos)
8919                         *pos++ = '\0';
8920                 if (iface.bridge_ifname[0] == '\0')
8921                         iface.bridge_ifname = NULL;
8922                 if (pos == NULL)
8923                         break;
8924
8925                 extra = pos;
8926                 pos = os_strchr(pos, '\t');
8927                 if (pos)
8928                         *pos++ = '\0';
8929                 if (!extra[0])
8930                         break;
8931
8932                 if (os_strcmp(extra, "create") == 0)
8933                         create_iface = 1;
8934                 else {
8935                         wpa_printf(MSG_DEBUG,
8936                                    "INTERFACE_ADD unsupported extra parameter: '%s'",
8937                                    extra);
8938                         return -1;
8939                 }
8940         } while (0);
8941
8942         if (create_iface) {
8943                 wpa_printf(MSG_DEBUG, "CTRL_IFACE creating interface '%s'",
8944                            iface.ifname);
8945                 if (!global->ifaces)
8946                         return -1;
8947                 if (wpa_drv_if_add(global->ifaces, WPA_IF_STATION, iface.ifname,
8948                                    NULL, NULL, NULL, mac_addr, NULL) < 0) {
8949                         wpa_printf(MSG_ERROR,
8950                                    "CTRL_IFACE interface creation failed");
8951                         return -1;
8952                 }
8953
8954                 wpa_printf(MSG_DEBUG,
8955                            "CTRL_IFACE interface '%s' created with MAC addr: "
8956                            MACSTR, iface.ifname, MAC2STR(mac_addr));
8957         }
8958
8959         if (wpa_supplicant_get_iface(global, iface.ifname))
8960                 goto fail;
8961
8962         wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
8963         if (!wpa_s)
8964                 goto fail;
8965         wpa_s->added_vif = create_iface;
8966         return 0;
8967
8968 fail:
8969         if (create_iface)
8970                 wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, iface.ifname);
8971         return -1;
8972 }
8973
8974
8975 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
8976                                               char *cmd)
8977 {
8978         struct wpa_supplicant *wpa_s;
8979         int ret;
8980         unsigned int delete_iface;
8981
8982         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
8983
8984         wpa_s = wpa_supplicant_get_iface(global, cmd);
8985         if (wpa_s == NULL)
8986                 return -1;
8987         delete_iface = wpa_s->added_vif;
8988         ret = wpa_supplicant_remove_iface(global, wpa_s, 0);
8989         if (!ret && delete_iface) {
8990                 wpa_printf(MSG_DEBUG, "CTRL_IFACE deleting the interface '%s'",
8991                            cmd);
8992                 ret = wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, cmd);
8993         }
8994         return ret;
8995 }
8996
8997
8998 static void wpa_free_iface_info(struct wpa_interface_info *iface)
8999 {
9000         struct wpa_interface_info *prev;
9001
9002         while (iface) {
9003                 prev = iface;
9004                 iface = iface->next;
9005
9006                 os_free(prev->ifname);
9007                 os_free(prev->desc);
9008                 os_free(prev);
9009         }
9010 }
9011
9012
9013 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
9014                                             char *buf, int len)
9015 {
9016         int i, res;
9017         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
9018         char *pos, *end;
9019
9020         for (i = 0; wpa_drivers[i]; i++) {
9021                 const struct wpa_driver_ops *drv = wpa_drivers[i];
9022                 if (drv->get_interfaces == NULL)
9023                         continue;
9024                 tmp = drv->get_interfaces(global->drv_priv[i]);
9025                 if (tmp == NULL)
9026                         continue;
9027
9028                 if (last == NULL)
9029                         iface = last = tmp;
9030                 else
9031                         last->next = tmp;
9032                 while (last->next)
9033                         last = last->next;
9034         }
9035
9036         pos = buf;
9037         end = buf + len;
9038         for (tmp = iface; tmp; tmp = tmp->next) {
9039                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
9040                                   tmp->drv_name, tmp->ifname,
9041                                   tmp->desc ? tmp->desc : "");
9042                 if (os_snprintf_error(end - pos, res)) {
9043                         *pos = '\0';
9044                         break;
9045                 }
9046                 pos += res;
9047         }
9048
9049         wpa_free_iface_info(iface);
9050
9051         return pos - buf;
9052 }
9053
9054
9055 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
9056                                                   char *buf, int len)
9057 {
9058         int res;
9059         char *pos, *end;
9060         struct wpa_supplicant *wpa_s;
9061
9062         wpa_s = global->ifaces;
9063         pos = buf;
9064         end = buf + len;
9065
9066         while (wpa_s) {
9067                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
9068                 if (os_snprintf_error(end - pos, res)) {
9069                         *pos = '\0';
9070                         break;
9071                 }
9072                 pos += res;
9073                 wpa_s = wpa_s->next;
9074         }
9075         return pos - buf;
9076 }
9077
9078
9079 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
9080                                             const char *ifname,
9081                                             char *cmd, size_t *resp_len)
9082 {
9083         struct wpa_supplicant *wpa_s;
9084
9085         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9086                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
9087                         break;
9088         }
9089
9090         if (wpa_s == NULL) {
9091                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
9092                 if (resp)
9093                         *resp_len = os_strlen(resp);
9094                 else
9095                         *resp_len = 1;
9096                 return resp;
9097         }
9098
9099         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
9100 }
9101
9102
9103 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
9104                                                char *buf, size_t *resp_len)
9105 {
9106 #ifdef CONFIG_P2P
9107         static const char * cmd[] = {
9108                 "LIST_NETWORKS",
9109                 "P2P_FIND",
9110                 "P2P_STOP_FIND",
9111                 "P2P_LISTEN",
9112                 "P2P_GROUP_ADD",
9113                 "P2P_GET_PASSPHRASE",
9114                 "P2P_SERVICE_UPDATE",
9115                 "P2P_SERVICE_FLUSH",
9116                 "P2P_FLUSH",
9117                 "P2P_CANCEL",
9118                 "P2P_PRESENCE_REQ",
9119                 "P2P_EXT_LISTEN",
9120                 NULL
9121         };
9122         static const char * prefix[] = {
9123 #ifdef ANDROID
9124                 "DRIVER ",
9125 #endif /* ANDROID */
9126                 "GET_NETWORK ",
9127                 "REMOVE_NETWORK ",
9128                 "P2P_FIND ",
9129                 "P2P_CONNECT ",
9130                 "P2P_LISTEN ",
9131                 "P2P_GROUP_REMOVE ",
9132                 "P2P_GROUP_ADD ",
9133                 "P2P_PROV_DISC ",
9134                 "P2P_SERV_DISC_REQ ",
9135                 "P2P_SERV_DISC_CANCEL_REQ ",
9136                 "P2P_SERV_DISC_RESP ",
9137                 "P2P_SERV_DISC_EXTERNAL ",
9138                 "P2P_SERVICE_ADD ",
9139                 "P2P_SERVICE_DEL ",
9140                 "P2P_SERVICE_REP ",
9141                 "P2P_REJECT ",
9142                 "P2P_INVITE ",
9143                 "P2P_PEER ",
9144                 "P2P_SET ",
9145                 "P2P_UNAUTHORIZE ",
9146                 "P2P_PRESENCE_REQ ",
9147                 "P2P_EXT_LISTEN ",
9148                 "P2P_REMOVE_CLIENT ",
9149                 "WPS_NFC_TOKEN ",
9150                 "WPS_NFC_TAG_READ ",
9151                 "NFC_GET_HANDOVER_SEL ",
9152                 "NFC_GET_HANDOVER_REQ ",
9153                 "NFC_REPORT_HANDOVER ",
9154                 "P2P_ASP_PROVISION ",
9155                 "P2P_ASP_PROVISION_RESP ",
9156                 NULL
9157         };
9158         int found = 0;
9159         int i;
9160
9161         if (global->p2p_init_wpa_s == NULL)
9162                 return NULL;
9163
9164         for (i = 0; !found && cmd[i]; i++) {
9165                 if (os_strcmp(buf, cmd[i]) == 0)
9166                         found = 1;
9167         }
9168
9169         for (i = 0; !found && prefix[i]; i++) {
9170                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
9171                         found = 1;
9172         }
9173
9174         if (found)
9175                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9176                                                          buf, resp_len);
9177 #endif /* CONFIG_P2P */
9178         return NULL;
9179 }
9180
9181
9182 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
9183                                                char *buf, size_t *resp_len)
9184 {
9185 #ifdef CONFIG_WIFI_DISPLAY
9186         if (global->p2p_init_wpa_s == NULL)
9187                 return NULL;
9188         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
9189             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
9190                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9191                                                          buf, resp_len);
9192 #endif /* CONFIG_WIFI_DISPLAY */
9193         return NULL;
9194 }
9195
9196
9197 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
9198                                            char *buf, size_t *resp_len)
9199 {
9200         char *ret;
9201
9202         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
9203         if (ret)
9204                 return ret;
9205
9206         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
9207         if (ret)
9208                 return ret;
9209
9210         return NULL;
9211 }
9212
9213
9214 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
9215 {
9216         char *value;
9217
9218         value = os_strchr(cmd, ' ');
9219         if (value == NULL)
9220                 return -1;
9221         *value++ = '\0';
9222
9223         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
9224
9225 #ifdef CONFIG_WIFI_DISPLAY
9226         if (os_strcasecmp(cmd, "wifi_display") == 0) {
9227                 wifi_display_enable(global, !!atoi(value));
9228                 return 0;
9229         }
9230 #endif /* CONFIG_WIFI_DISPLAY */
9231
9232         /* Restore cmd to its original value to allow redirection */
9233         value[-1] = ' ';
9234
9235         return -1;
9236 }
9237
9238
9239 static int wpas_global_ctrl_iface_dup_network(struct wpa_global *global,
9240                                               char *cmd)
9241 {
9242         struct wpa_supplicant *wpa_s[2]; /* src, dst */
9243         char *p;
9244         unsigned int i;
9245
9246         /* cmd: "<src ifname> <dst ifname> <src network id> <dst network id>
9247          * <variable name> */
9248
9249         for (i = 0; i < ARRAY_SIZE(wpa_s) ; i++) {
9250                 p = os_strchr(cmd, ' ');
9251                 if (p == NULL)
9252                         return -1;
9253                 *p = '\0';
9254
9255                 wpa_s[i] = global->ifaces;
9256                 for (; wpa_s[i]; wpa_s[i] = wpa_s[i]->next) {
9257                         if (os_strcmp(cmd, wpa_s[i]->ifname) == 0)
9258                                 break;
9259                 }
9260
9261                 if (!wpa_s[i]) {
9262                         wpa_printf(MSG_DEBUG,
9263                                    "CTRL_IFACE: Could not find iface=%s", cmd);
9264                         return -1;
9265                 }
9266
9267                 cmd = p + 1;
9268         }
9269
9270         return wpa_supplicant_ctrl_iface_dup_network(wpa_s[0], cmd, wpa_s[1]);
9271 }
9272
9273
9274 #ifndef CONFIG_NO_CONFIG_WRITE
9275 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
9276 {
9277         int ret = 0, saved = 0;
9278         struct wpa_supplicant *wpa_s;
9279
9280         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9281                 if (!wpa_s->conf->update_config) {
9282                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
9283                         continue;
9284                 }
9285
9286                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
9287                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
9288                         ret = 1;
9289                 } else {
9290                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
9291                         saved++;
9292                 }
9293         }
9294
9295         if (!saved && !ret) {
9296                 wpa_dbg(wpa_s, MSG_DEBUG,
9297                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
9298                 ret = 1;
9299         }
9300
9301         return ret;
9302 }
9303 #endif /* CONFIG_NO_CONFIG_WRITE */
9304
9305
9306 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
9307                                          char *buf, size_t buflen)
9308 {
9309         char *pos, *end;
9310         int ret;
9311         struct wpa_supplicant *wpa_s;
9312
9313         pos = buf;
9314         end = buf + buflen;
9315
9316 #ifdef CONFIG_P2P
9317         if (global->p2p && !global->p2p_disabled) {
9318                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
9319                                   "\n"
9320                                   "p2p_state=%s\n",
9321                                   MAC2STR(global->p2p_dev_addr),
9322                                   p2p_get_state_txt(global->p2p));
9323                 if (os_snprintf_error(end - pos, ret))
9324                         return pos - buf;
9325                 pos += ret;
9326         } else if (global->p2p) {
9327                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
9328                 if (os_snprintf_error(end - pos, ret))
9329                         return pos - buf;
9330                 pos += ret;
9331         }
9332 #endif /* CONFIG_P2P */
9333
9334 #ifdef CONFIG_WIFI_DISPLAY
9335         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
9336                           !!global->wifi_display);
9337         if (os_snprintf_error(end - pos, ret))
9338                 return pos - buf;
9339         pos += ret;
9340 #endif /* CONFIG_WIFI_DISPLAY */
9341
9342         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9343                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
9344                                   "address=" MACSTR "\n",
9345                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
9346                 if (os_snprintf_error(end - pos, ret))
9347                         return pos - buf;
9348                 pos += ret;
9349         }
9350
9351         return pos - buf;
9352 }
9353
9354
9355 #ifdef CONFIG_FST
9356
9357 static int wpas_global_ctrl_iface_fst_attach(struct wpa_global *global,
9358                                              char *cmd, char *buf,
9359                                              size_t reply_size)
9360 {
9361         char ifname[IFNAMSIZ + 1];
9362         struct fst_iface_cfg cfg;
9363         struct wpa_supplicant *wpa_s;
9364         struct fst_wpa_obj iface_obj;
9365
9366         if (!fst_parse_attach_command(cmd, ifname, sizeof(ifname), &cfg)) {
9367                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9368                 if (wpa_s) {
9369                         if (wpa_s->fst) {
9370                                 wpa_printf(MSG_INFO, "FST: Already attached");
9371                                 return -1;
9372                         }
9373                         fst_wpa_supplicant_fill_iface_obj(wpa_s, &iface_obj);
9374                         wpa_s->fst = fst_attach(ifname, wpa_s->own_addr,
9375                                                 &iface_obj, &cfg);
9376                         if (wpa_s->fst)
9377                                 return os_snprintf(buf, reply_size, "OK\n");
9378                 }
9379         }
9380
9381         return -1;
9382 }
9383
9384
9385 static int wpas_global_ctrl_iface_fst_detach(struct wpa_global *global,
9386                                              char *cmd, char *buf,
9387                                              size_t reply_size)
9388 {
9389         char ifname[IFNAMSIZ + 1];
9390         struct wpa_supplicant *wpa_s;
9391
9392         if (!fst_parse_detach_command(cmd, ifname, sizeof(ifname))) {
9393                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9394                 if (wpa_s) {
9395                         if (!fst_iface_detach(ifname)) {
9396                                 wpa_s->fst = NULL;
9397                                 return os_snprintf(buf, reply_size, "OK\n");
9398                         }
9399                 }
9400         }
9401
9402         return -1;
9403 }
9404
9405 #endif /* CONFIG_FST */
9406
9407
9408 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
9409                                                 char *buf, size_t *resp_len)
9410 {
9411         char *reply;
9412         const int reply_size = 2048;
9413         int reply_len;
9414         int level = MSG_DEBUG;
9415
9416         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
9417                 char *pos = os_strchr(buf + 7, ' ');
9418                 if (pos) {
9419                         *pos++ = '\0';
9420                         return wpas_global_ctrl_iface_ifname(global,
9421                                                              buf + 7, pos,
9422                                                              resp_len);
9423                 }
9424         }
9425
9426         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
9427         if (reply)
9428                 return reply;
9429
9430         if (os_strcmp(buf, "PING") == 0)
9431                 level = MSG_EXCESSIVE;
9432         wpa_hexdump_ascii(level, "RX global ctrl_iface",
9433                           (const u8 *) buf, os_strlen(buf));
9434
9435         reply = os_malloc(reply_size);
9436         if (reply == NULL) {
9437                 *resp_len = 1;
9438                 return NULL;
9439         }
9440
9441         os_memcpy(reply, "OK\n", 3);
9442         reply_len = 3;
9443
9444         if (os_strcmp(buf, "PING") == 0) {
9445                 os_memcpy(reply, "PONG\n", 5);
9446                 reply_len = 5;
9447         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
9448                 if (wpa_supplicant_global_iface_add(global, buf + 14))
9449                         reply_len = -1;
9450         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
9451                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
9452                         reply_len = -1;
9453         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
9454                 reply_len = wpa_supplicant_global_iface_list(
9455                         global, reply, reply_size);
9456         } else if (os_strcmp(buf, "INTERFACES") == 0) {
9457                 reply_len = wpa_supplicant_global_iface_interfaces(
9458                         global, reply, reply_size);
9459 #ifdef CONFIG_FST
9460         } else if (os_strncmp(buf, "FST-ATTACH ", 11) == 0) {
9461                 reply_len = wpas_global_ctrl_iface_fst_attach(global, buf + 11,
9462                                                               reply,
9463                                                               reply_size);
9464         } else if (os_strncmp(buf, "FST-DETACH ", 11) == 0) {
9465                 reply_len = wpas_global_ctrl_iface_fst_detach(global, buf + 11,
9466                                                               reply,
9467                                                               reply_size);
9468         } else if (os_strncmp(buf, "FST-MANAGER ", 12) == 0) {
9469                 reply_len = fst_ctrl_iface_receive(buf + 12, reply, reply_size);
9470 #endif /* CONFIG_FST */
9471         } else if (os_strcmp(buf, "TERMINATE") == 0) {
9472                 wpa_supplicant_terminate_proc(global);
9473         } else if (os_strcmp(buf, "SUSPEND") == 0) {
9474                 wpas_notify_suspend(global);
9475         } else if (os_strcmp(buf, "RESUME") == 0) {
9476                 wpas_notify_resume(global);
9477         } else if (os_strncmp(buf, "SET ", 4) == 0) {
9478                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
9479 #ifdef CONFIG_P2P
9480                         if (global->p2p_init_wpa_s) {
9481                                 os_free(reply);
9482                                 /* Check if P2P redirection would work for this
9483                                  * command. */
9484                                 return wpa_supplicant_ctrl_iface_process(
9485                                         global->p2p_init_wpa_s,
9486                                         buf, resp_len);
9487                         }
9488 #endif /* CONFIG_P2P */
9489                         reply_len = -1;
9490                 }
9491         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
9492                 if (wpas_global_ctrl_iface_dup_network(global, buf + 12))
9493                         reply_len = -1;
9494 #ifndef CONFIG_NO_CONFIG_WRITE
9495         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
9496                 if (wpas_global_ctrl_iface_save_config(global))
9497                         reply_len = -1;
9498 #endif /* CONFIG_NO_CONFIG_WRITE */
9499         } else if (os_strcmp(buf, "STATUS") == 0) {
9500                 reply_len = wpas_global_ctrl_iface_status(global, reply,
9501                                                           reply_size);
9502 #ifdef CONFIG_MODULE_TESTS
9503         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
9504                 int wpas_module_tests(void);
9505                 if (wpas_module_tests() < 0)
9506                         reply_len = -1;
9507 #endif /* CONFIG_MODULE_TESTS */
9508         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
9509                 if (wpa_debug_reopen_file() < 0)
9510                         reply_len = -1;
9511         } else {
9512                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
9513                 reply_len = 16;
9514         }
9515
9516         if (reply_len < 0) {
9517                 os_memcpy(reply, "FAIL\n", 5);
9518                 reply_len = 5;
9519         }
9520
9521         *resp_len = reply_len;
9522         return reply;
9523 }