wpa_supplicant/ctrl_iface.c

   1 /*
   2  * WPA Supplicant / Control interface (shared code for all backends)
   3  * Copyright (c) 2004-2015, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10 #ifdef CONFIG_TESTING_OPTIONS
  11 #include <net/ethernet.h>
  12 #include <netinet/ip.h>
  13 #endif /* CONFIG_TESTING_OPTIONS */
  14
  15 #include "utils/common.h"
  16 #include "utils/eloop.h"
  17 #include "utils/uuid.h"
  18 #include "common/version.h"
  19 #include "common/ieee802_11_defs.h"
  20 #include "common/ieee802_11_common.h"
  21 #include "common/wpa_ctrl.h"
  22 #include "crypto/tls.h"
  23 #include "ap/hostapd.h"
  24 #include "eap_peer/eap.h"
  25 #include "eapol_supp/eapol_supp_sm.h"
  26 #include "rsn_supp/wpa.h"
  27 #include "rsn_supp/preauth.h"
  28 #include "rsn_supp/pmksa_cache.h"
  29 #include "l2_packet/l2_packet.h"
  30 #include "wps/wps.h"
  31 #include "fst/fst.h"
  32 #include "fst/fst_ctrl_iface.h"
  33 #include "config.h"
  34 #include "wpa_supplicant_i.h"
  35 #include "driver_i.h"
  36 #include "wps_supplicant.h"
  37 #include "ibss_rsn.h"
  38 #include "ap.h"
  39 #include "p2p_supplicant.h"
  40 #include "p2p/p2p.h"
  41 #include "hs20_supplicant.h"
  42 #include "wifi_display.h"
  43 #include "notify.h"
  44 #include "bss.h"
  45 #include "scan.h"
  46 #include "ctrl_iface.h"
  47 #include "interworking.h"
  48 #include "blacklist.h"
  49 #include "autoscan.h"
  50 #include "wnm_sta.h"
  51 #include "offchannel.h"
  52 #include "drivers/driver.h"
  53 #include "mesh.h"
  54
  55 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
  56                                             char *buf, int len);
  57 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
  58                                                   char *buf, int len);
  59 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
  60                                         char *val);
  61
  62 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
  63 {
  64         char *pos;
  65         u8 addr[ETH_ALEN], *filter = NULL, *n;
  66         size_t count = 0;
  67
  68         pos = val;
  69         while (pos) {
  70                 if (*pos == '\0')
  71                         break;
  72                 if (hwaddr_aton(pos, addr)) {
  73                         os_free(filter);
  74                         return -1;
  75                 }
  76                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
  77                 if (n == NULL) {
  78                         os_free(filter);
  79                         return -1;
  80                 }
  81                 filter = n;
  82                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
  83                 count++;
  84
  85                 pos = os_strchr(pos, ' ');
  86                 if (pos)
  87                         pos++;
  88         }
  89
  90         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
  91         os_free(wpa_s->bssid_filter);
  92         wpa_s->bssid_filter = filter;
  93         wpa_s->bssid_filter_count = count;
  94
  95         return 0;
  96 }
  97
  98
  99 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
 100 {
 101         char *pos;
 102         u8 addr[ETH_ALEN], *bssid = NULL, *n;
 103         struct wpa_ssid_value *ssid = NULL, *ns;
 104         size_t count = 0, ssid_count = 0;
 105         struct wpa_ssid *c;
 106
 107         /*
 108          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
 109          * SSID_SPEC ::= ssid <SSID_HEX>
 110          * BSSID_SPEC ::= bssid <BSSID_HEX>
 111          */
 112
 113         pos = val;
 114         while (pos) {
 115                 if (*pos == '\0')
 116                         break;
 117                 if (os_strncmp(pos, "bssid ", 6) == 0) {
 118                         int res;
 119                         pos += 6;
 120                         res = hwaddr_aton2(pos, addr);
 121                         if (res < 0) {
 122                                 os_free(ssid);
 123                                 os_free(bssid);
 124                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 125                                            "BSSID value '%s'", pos);
 126                                 return -1;
 127                         }
 128                         pos += res;
 129                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
 130                         if (n == NULL) {
 131                                 os_free(ssid);
 132                                 os_free(bssid);
 133                                 return -1;
 134                         }
 135                         bssid = n;
 136                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
 137                         count++;
 138                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
 139                         char *end;
 140                         pos += 5;
 141
 142                         end = pos;
 143                         while (*end) {
 144                                 if (*end == '\0' || *end == ' ')
 145                                         break;
 146                                 end++;
 147                         }
 148
 149                         ns = os_realloc_array(ssid, ssid_count + 1,
 150                                               sizeof(struct wpa_ssid_value));
 151                         if (ns == NULL) {
 152                                 os_free(ssid);
 153                                 os_free(bssid);
 154                                 return -1;
 155                         }
 156                         ssid = ns;
 157
 158                         if ((end - pos) & 0x01 ||
 159                             end - pos > 2 * SSID_MAX_LEN ||
 160                             hexstr2bin(pos, ssid[ssid_count].ssid,
 161                                        (end - pos) / 2) < 0) {
 162                                 os_free(ssid);
 163                                 os_free(bssid);
 164                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 165                                            "SSID value '%s'", pos);
 166                                 return -1;
 167                         }
 168                         ssid[ssid_count].ssid_len = (end - pos) / 2;
 169                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
 170                                           ssid[ssid_count].ssid,
 171                                           ssid[ssid_count].ssid_len);
 172                         ssid_count++;
 173                         pos = end;
 174                 } else {
 175                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
 176                                    "'%s'", pos);
 177                         os_free(ssid);
 178                         os_free(bssid);
 179                         return -1;
 180                 }
 181
 182                 pos = os_strchr(pos, ' ');
 183                 if (pos)
 184                         pos++;
 185         }
 186
 187         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
 188         os_free(wpa_s->disallow_aps_bssid);
 189         wpa_s->disallow_aps_bssid = bssid;
 190         wpa_s->disallow_aps_bssid_count = count;
 191
 192         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
 193         os_free(wpa_s->disallow_aps_ssid);
 194         wpa_s->disallow_aps_ssid = ssid;
 195         wpa_s->disallow_aps_ssid_count = ssid_count;
 196
 197         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
 198                 return 0;
 199
 200         c = wpa_s->current_ssid;
 201         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
 202                 return 0;
 203
 204         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
 205             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
 206                 return 0;
 207
 208         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
 209                    "because current AP was marked disallowed");
 210
 211 #ifdef CONFIG_SME
 212         wpa_s->sme.prev_bssid_set = 0;
 213 #endif /* CONFIG_SME */
 214         wpa_s->reassociate = 1;
 215         wpa_s->own_disconnect_req = 1;
 216         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
 217         wpa_supplicant_req_scan(wpa_s, 0, 0);
 218
 219         return 0;
 220 }
 221
 222
 223 #ifndef CONFIG_NO_CONFIG_BLOBS
 224 static int wpas_ctrl_set_blob(struct wpa_supplicant *wpa_s, char *pos)
 225 {
 226         char *name = pos;
 227         struct wpa_config_blob *blob;
 228         size_t len;
 229
 230         pos = os_strchr(pos, ' ');
 231         if (pos == NULL)
 232                 return -1;
 233         *pos++ = '\0';
 234         len = os_strlen(pos);
 235         if (len & 1)
 236                 return -1;
 237
 238         wpa_printf(MSG_DEBUG, "CTRL: Set blob '%s'", name);
 239         blob = os_zalloc(sizeof(*blob));
 240         if (blob == NULL)
 241                 return -1;
 242         blob->name = os_strdup(name);
 243         blob->data = os_malloc(len / 2);
 244         if (blob->name == NULL || blob->data == NULL) {
 245                 wpa_config_free_blob(blob);
 246                 return -1;
 247         }
 248
 249         if (hexstr2bin(pos, blob->data, len / 2) < 0) {
 250                 wpa_printf(MSG_DEBUG, "CTRL: Invalid blob hex data");
 251                 wpa_config_free_blob(blob);
 252                 return -1;
 253         }
 254         blob->len = len / 2;
 255
 256         wpa_config_set_blob(wpa_s->conf, blob);
 257
 258         return 0;
 259 }
 260 #endif /* CONFIG_NO_CONFIG_BLOBS */
 261
 262
 263 static int wpas_ctrl_pno(struct wpa_supplicant *wpa_s, char *cmd)
 264 {
 265         char *params;
 266         char *pos;
 267         int *freqs = NULL;
 268         int ret;
 269
 270         if (atoi(cmd)) {
 271                 params = os_strchr(cmd, ' ');
 272                 os_free(wpa_s->manual_sched_scan_freqs);
 273                 if (params) {
 274                         params++;
 275                         pos = os_strstr(params, "freq=");
 276                         if (pos)
 277                                 freqs = freq_range_to_channel_list(wpa_s,
 278                                                                    pos + 5);
 279                 }
 280                 wpa_s->manual_sched_scan_freqs = freqs;
 281                 ret = wpas_start_pno(wpa_s);
 282         } else {
 283                 ret = wpas_stop_pno(wpa_s);
 284         }
 285         return ret;
 286 }
 287
 288
 289 static int wpas_ctrl_set_band(struct wpa_supplicant *wpa_s, char *band)
 290 {
 291         union wpa_event_data event;
 292
 293         if (os_strcmp(band, "AUTO") == 0)
 294                 wpa_s->setband = WPA_SETBAND_AUTO;
 295         else if (os_strcmp(band, "5G") == 0)
 296                 wpa_s->setband = WPA_SETBAND_5G;
 297         else if (os_strcmp(band, "2G") == 0)
 298                 wpa_s->setband = WPA_SETBAND_2G;
 299         else
 300                 return -1;
 301
 302         if (wpa_drv_setband(wpa_s, wpa_s->setband) == 0) {
 303                 os_memset(&event, 0, sizeof(event));
 304                 event.channel_list_changed.initiator = REGDOM_SET_BY_USER;
 305                 event.channel_list_changed.type = REGDOM_TYPE_UNKNOWN;
 306                 wpa_supplicant_event(wpa_s, EVENT_CHANNEL_LIST_CHANGED, &event);
 307         }
 308
 309         return 0;
 310 }
 311
 312
 313 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
 314                                          char *cmd)
 315 {
 316         char *value;
 317         int ret = 0;
 318
 319         value = os_strchr(cmd, ' ');
 320         if (value == NULL)
 321                 return -1;
 322         *value++ = '\0';
 323
 324         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
 325         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
 326                 eapol_sm_configure(wpa_s->eapol,
 327                                    atoi(value), -1, -1, -1);
 328         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
 329                 eapol_sm_configure(wpa_s->eapol,
 330                                    -1, atoi(value), -1, -1);
 331         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
 332                 eapol_sm_configure(wpa_s->eapol,
 333                                    -1, -1, atoi(value), -1);
 334         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
 335                 eapol_sm_configure(wpa_s->eapol,
 336                                    -1, -1, -1, atoi(value));
 337         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
 338                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
 339                                      atoi(value)))
 340                         ret = -1;
 341         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
 342                    0) {
 343                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
 344                                      atoi(value)))
 345                         ret = -1;
 346         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
 347                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
 348                         ret = -1;
 349         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
 350                 wpa_s->wps_fragment_size = atoi(value);
 351 #ifdef CONFIG_WPS_TESTING
 352         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
 353                 long int val;
 354                 val = strtol(value, NULL, 0);
 355                 if (val < 0 || val > 0xff) {
 356                         ret = -1;
 357                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
 358                                    "wps_version_number %ld", val);
 359                 } else {
 360                         wps_version_number = val;
 361                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
 362                                    "version %u.%u",
 363                                    (wps_version_number & 0xf0) >> 4,
 364                                    wps_version_number & 0x0f);
 365                 }
 366         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
 367                 wps_testing_dummy_cred = atoi(value);
 368                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
 369                            wps_testing_dummy_cred);
 370         } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
 371                 wps_corrupt_pkhash = atoi(value);
 372                 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
 373                            wps_corrupt_pkhash);
 374 #endif /* CONFIG_WPS_TESTING */
 375         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
 376                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
 377                         ret = -1;
 378 #ifdef CONFIG_TDLS
 379 #ifdef CONFIG_TDLS_TESTING
 380         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
 381                 extern unsigned int tdls_testing;
 382                 tdls_testing = strtol(value, NULL, 0);
 383                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
 384 #endif /* CONFIG_TDLS_TESTING */
 385         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
 386                 int disabled = atoi(value);
 387                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
 388                 if (disabled) {
 389                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
 390                                 ret = -1;
 391                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
 392                         ret = -1;
 393                 wpa_tdls_enable(wpa_s->wpa, !disabled);
 394 #endif /* CONFIG_TDLS */
 395         } else if (os_strcasecmp(cmd, "pno") == 0) {
 396                 ret = wpas_ctrl_pno(wpa_s, value);
 397         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
 398                 int disabled = atoi(value);
 399                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
 400                         ret = -1;
 401                 else if (disabled)
 402                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
 403         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
 404                 if (os_strcmp(value, "disable") == 0)
 405                         wpa_s->set_sta_uapsd = 0;
 406                 else {
 407                         int be, bk, vi, vo;
 408                         char *pos;
 409                         /* format: BE,BK,VI,VO;max SP Length */
 410                         be = atoi(value);
 411                         pos = os_strchr(value, ',');
 412                         if (pos == NULL)
 413                                 return -1;
 414                         pos++;
 415                         bk = atoi(pos);
 416                         pos = os_strchr(pos, ',');
 417                         if (pos == NULL)
 418                                 return -1;
 419                         pos++;
 420                         vi = atoi(pos);
 421                         pos = os_strchr(pos, ',');
 422                         if (pos == NULL)
 423                                 return -1;
 424                         pos++;
 425                         vo = atoi(pos);
 426                         /* ignore max SP Length for now */
 427
 428                         wpa_s->set_sta_uapsd = 1;
 429                         wpa_s->sta_uapsd = 0;
 430                         if (be)
 431                                 wpa_s->sta_uapsd |= BIT(0);
 432                         if (bk)
 433                                 wpa_s->sta_uapsd |= BIT(1);
 434                         if (vi)
 435                                 wpa_s->sta_uapsd |= BIT(2);
 436                         if (vo)
 437                                 wpa_s->sta_uapsd |= BIT(3);
 438                 }
 439         } else if (os_strcasecmp(cmd, "ps") == 0) {
 440                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
 441 #ifdef CONFIG_WIFI_DISPLAY
 442         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 443                 int enabled = !!atoi(value);
 444                 if (enabled && !wpa_s->global->p2p)
 445                         ret = -1;
 446                 else
 447                         wifi_display_enable(wpa_s->global, enabled);
 448 #endif /* CONFIG_WIFI_DISPLAY */
 449         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
 450                 ret = set_bssid_filter(wpa_s, value);
 451         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
 452                 ret = set_disallow_aps(wpa_s, value);
 453         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
 454                 wpa_s->no_keep_alive = !!atoi(value);
 455 #ifdef CONFIG_TESTING_OPTIONS
 456         } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
 457                 wpa_s->ext_mgmt_frame_handling = !!atoi(value);
 458         } else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
 459                 wpa_s->ext_eapol_frame_io = !!atoi(value);
 460 #ifdef CONFIG_AP
 461                 if (wpa_s->ap_iface) {
 462                         wpa_s->ap_iface->bss[0]->ext_eapol_frame_io =
 463                                 wpa_s->ext_eapol_frame_io;
 464                 }
 465 #endif /* CONFIG_AP */
 466         } else if (os_strcasecmp(cmd, "extra_roc_dur") == 0) {
 467                 wpa_s->extra_roc_dur = atoi(value);
 468         } else if (os_strcasecmp(cmd, "test_failure") == 0) {
 469                 wpa_s->test_failure = atoi(value);
 470         } else if (os_strcasecmp(cmd, "p2p_go_csa_on_inv") == 0) {
 471                 wpa_s->p2p_go_csa_on_inv = !!atoi(value);
 472 #endif /* CONFIG_TESTING_OPTIONS */
 473 #ifndef CONFIG_NO_CONFIG_BLOBS
 474         } else if (os_strcmp(cmd, "blob") == 0) {
 475                 ret = wpas_ctrl_set_blob(wpa_s, value);
 476 #endif /* CONFIG_NO_CONFIG_BLOBS */
 477         } else if (os_strcasecmp(cmd, "setband") == 0) {
 478                 ret = wpas_ctrl_set_band(wpa_s, value);
 479         } else {
 480                 value[-1] = '=';
 481                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
 482                 if (ret == 0)
 483                         wpa_supplicant_update_config(wpa_s);
 484         }
 485
 486         return ret;
 487 }
 488
 489
 490 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
 491                                          char *cmd, char *buf, size_t buflen)
 492 {
 493         int res = -1;
 494
 495         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
 496
 497         if (os_strcmp(cmd, "version") == 0) {
 498                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
 499         } else if (os_strcasecmp(cmd, "country") == 0) {
 500                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
 501                         res = os_snprintf(buf, buflen, "%c%c",
 502                                           wpa_s->conf->country[0],
 503                                           wpa_s->conf->country[1]);
 504 #ifdef CONFIG_WIFI_DISPLAY
 505         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 506                 int enabled;
 507                 if (wpa_s->global->p2p == NULL ||
 508                     wpa_s->global->p2p_disabled)
 509                         enabled = 0;
 510                 else
 511                         enabled = wpa_s->global->wifi_display;
 512                 res = os_snprintf(buf, buflen, "%d", enabled);
 513 #endif /* CONFIG_WIFI_DISPLAY */
 514 #ifdef CONFIG_TESTING_GET_GTK
 515         } else if (os_strcmp(cmd, "gtk") == 0) {
 516                 if (wpa_s->last_gtk_len == 0)
 517                         return -1;
 518                 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
 519                                        wpa_s->last_gtk_len);
 520                 return res;
 521 #endif /* CONFIG_TESTING_GET_GTK */
 522         } else if (os_strcmp(cmd, "tls_library") == 0) {
 523                 res = tls_get_library_version(buf, buflen);
 524         } else {
 525                 res = wpa_config_get_value(cmd, wpa_s->conf, buf, buflen);
 526         }
 527
 528         if (os_snprintf_error(buflen, res))
 529                 return -1;
 530         return res;
 531 }
 532
 533
 534 #ifdef IEEE8021X_EAPOL
 535 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
 536                                              char *addr)
 537 {
 538         u8 bssid[ETH_ALEN];
 539         struct wpa_ssid *ssid = wpa_s->current_ssid;
 540
 541         if (hwaddr_aton(addr, bssid)) {
 542                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
 543                            "'%s'", addr);
 544                 return -1;
 545         }
 546
 547         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
 548         rsn_preauth_deinit(wpa_s->wpa);
 549         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
 550                 return -1;
 551
 552         return 0;
 553 }
 554 #endif /* IEEE8021X_EAPOL */
 555
 556
 557 #ifdef CONFIG_PEERKEY
 558 /* MLME-STKSTART.request(peer) */
 559 static int wpa_supplicant_ctrl_iface_stkstart(
 560         struct wpa_supplicant *wpa_s, char *addr)
 561 {
 562         u8 peer[ETH_ALEN];
 563
 564         if (hwaddr_aton(addr, peer)) {
 565                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
 566                            "address '%s'", addr);
 567                 return -1;
 568         }
 569
 570         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
 571                    MAC2STR(peer));
 572
 573         return wpa_sm_stkstart(wpa_s->wpa, peer);
 574 }
 575 #endif /* CONFIG_PEERKEY */
 576
 577
 578 #ifdef CONFIG_TDLS
 579
 580 static int wpa_supplicant_ctrl_iface_tdls_discover(
 581         struct wpa_supplicant *wpa_s, char *addr)
 582 {
 583         u8 peer[ETH_ALEN];
 584         int ret;
 585
 586         if (hwaddr_aton(addr, peer)) {
 587                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
 588                            "address '%s'", addr);
 589                 return -1;
 590         }
 591
 592         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
 593                    MAC2STR(peer));
 594
 595         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 596                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
 597         else
 598                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
 599
 600         return ret;
 601 }
 602
 603
 604 static int wpa_supplicant_ctrl_iface_tdls_setup(
 605         struct wpa_supplicant *wpa_s, char *addr)
 606 {
 607         u8 peer[ETH_ALEN];
 608         int ret;
 609
 610         if (hwaddr_aton(addr, peer)) {
 611                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
 612                            "address '%s'", addr);
 613                 return -1;
 614         }
 615
 616         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
 617                    MAC2STR(peer));
 618
 619         if ((wpa_s->conf->tdls_external_control) &&
 620             wpa_tdls_is_external_setup(wpa_s->wpa))
 621                 return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 622
 623         wpa_tdls_remove(wpa_s->wpa, peer);
 624
 625         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 626                 ret = wpa_tdls_start(wpa_s->wpa, peer);
 627         else
 628                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 629
 630         return ret;
 631 }
 632
 633
 634 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 635         struct wpa_supplicant *wpa_s, char *addr)
 636 {
 637         u8 peer[ETH_ALEN];
 638         int ret;
 639
 640         if (os_strcmp(addr, "*") == 0) {
 641                 /* remove everyone */
 642                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN *");
 643                 wpa_tdls_teardown_peers(wpa_s->wpa);
 644                 return 0;
 645         }
 646
 647         if (hwaddr_aton(addr, peer)) {
 648                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 649                            "address '%s'", addr);
 650                 return -1;
 651         }
 652
 653         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 654                    MAC2STR(peer));
 655
 656         if ((wpa_s->conf->tdls_external_control) &&
 657             wpa_tdls_is_external_setup(wpa_s->wpa))
 658                 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 659
 660         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 661                 ret = wpa_tdls_teardown_link(
 662                         wpa_s->wpa, peer,
 663                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 664         else
 665                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 666
 667         return ret;
 668 }
 669
 670
 671 static int ctrl_iface_get_capability_tdls(
 672         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
 673 {
 674         int ret;
 675
 676         ret = os_snprintf(buf, buflen, "%s\n",
 677                           wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
 678                           (wpa_s->drv_flags &
 679                            WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
 680                            "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
 681         if (os_snprintf_error(buflen, ret))
 682                 return -1;
 683         return ret;
 684 }
 685
 686
 687 static int wpa_supplicant_ctrl_iface_tdls_chan_switch(
 688         struct wpa_supplicant *wpa_s, char *cmd)
 689 {
 690         u8 peer[ETH_ALEN];
 691         struct hostapd_freq_params freq_params;
 692         u8 oper_class;
 693         char *pos, *end;
 694
 695         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
 696                 wpa_printf(MSG_INFO,
 697                            "tdls_chanswitch: Only supported with external setup");
 698                 return -1;
 699         }
 700
 701         os_memset(&freq_params, 0, sizeof(freq_params));
 702
 703         pos = os_strchr(cmd, ' ');
 704         if (pos == NULL)
 705                 return -1;
 706         *pos++ = '\0';
 707
 708         oper_class = strtol(pos, &end, 10);
 709         if (pos == end) {
 710                 wpa_printf(MSG_INFO,
 711                            "tdls_chanswitch: Invalid op class provided");
 712                 return -1;
 713         }
 714
 715         pos = end;
 716         freq_params.freq = atoi(pos);
 717         if (freq_params.freq == 0) {
 718                 wpa_printf(MSG_INFO, "tdls_chanswitch: Invalid freq provided");
 719                 return -1;
 720         }
 721
 722 #define SET_FREQ_SETTING(str) \
 723         do { \
 724                 const char *pos2 = os_strstr(pos, " " #str "="); \
 725                 if (pos2) { \
 726                         pos2 += sizeof(" " #str "=") - 1; \
 727                         freq_params.str = atoi(pos2); \
 728                 } \
 729         } while (0)
 730
 731         SET_FREQ_SETTING(center_freq1);
 732         SET_FREQ_SETTING(center_freq2);
 733         SET_FREQ_SETTING(bandwidth);
 734         SET_FREQ_SETTING(sec_channel_offset);
 735 #undef SET_FREQ_SETTING
 736
 737         freq_params.ht_enabled = !!os_strstr(pos, " ht");
 738         freq_params.vht_enabled = !!os_strstr(pos, " vht");
 739
 740         if (hwaddr_aton(cmd, peer)) {
 741                 wpa_printf(MSG_DEBUG,
 742                            "CTRL_IFACE TDLS_CHAN_SWITCH: Invalid address '%s'",
 743                            cmd);
 744                 return -1;
 745         }
 746
 747         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CHAN_SWITCH " MACSTR
 748                    " OP CLASS %d FREQ %d CENTER1 %d CENTER2 %d BW %d SEC_OFFSET %d%s%s",
 749                    MAC2STR(peer), oper_class, freq_params.freq,
 750                    freq_params.center_freq1, freq_params.center_freq2,
 751                    freq_params.bandwidth, freq_params.sec_channel_offset,
 752                    freq_params.ht_enabled ? " HT" : "",
 753                    freq_params.vht_enabled ? " VHT" : "");
 754
 755         return wpa_tdls_enable_chan_switch(wpa_s->wpa, peer, oper_class,
 756                                            &freq_params);
 757 }
 758
 759
 760 static int wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(
 761         struct wpa_supplicant *wpa_s, char *cmd)
 762 {
 763         u8 peer[ETH_ALEN];
 764
 765         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
 766                 wpa_printf(MSG_INFO,
 767                            "tdls_chanswitch: Only supported with external setup");
 768                 return -1;
 769         }
 770
 771         if (hwaddr_aton(cmd, peer)) {
 772                 wpa_printf(MSG_DEBUG,
 773                            "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH: Invalid address '%s'",
 774                            cmd);
 775                 return -1;
 776         }
 777
 778         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH " MACSTR,
 779                    MAC2STR(peer));
 780
 781         return wpa_tdls_disable_chan_switch(wpa_s->wpa, peer);
 782 }
 783
 784
 785 static int wpa_supplicant_ctrl_iface_tdls_link_status(
 786         struct wpa_supplicant *wpa_s, const char *addr,
 787         char *buf, size_t buflen)
 788 {
 789         u8 peer[ETH_ALEN];
 790         const char *tdls_status;
 791         int ret;
 792
 793         if (hwaddr_aton(addr, peer)) {
 794                 wpa_printf(MSG_DEBUG,
 795                            "CTRL_IFACE TDLS_LINK_STATUS: Invalid address '%s'",
 796                            addr);
 797                 return -1;
 798         }
 799         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS " MACSTR,
 800                    MAC2STR(peer));
 801
 802         tdls_status = wpa_tdls_get_link_status(wpa_s->wpa, peer);
 803         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS: %s", tdls_status);
 804         ret = os_snprintf(buf, buflen, "TDLS link status: %s\n", tdls_status);
 805         if (os_snprintf_error(buflen, ret))
 806                 return -1;
 807
 808         return ret;
 809 }
 810
 811 #endif /* CONFIG_TDLS */
 812
 813
 814 static int wmm_ac_ctrl_addts(struct wpa_supplicant *wpa_s, char *cmd)
 815 {
 816         char *token, *context = NULL;
 817         struct wmm_ac_ts_setup_params params = {
 818                 .tsid = 0xff,
 819                 .direction = 0xff,
 820         };
 821
 822         while ((token = str_token(cmd, " ", &context))) {
 823                 if (sscanf(token, "tsid=%i", &params.tsid) == 1 ||
 824                     sscanf(token, "up=%i", &params.user_priority) == 1 ||
 825                     sscanf(token, "nominal_msdu_size=%i",
 826                            &params.nominal_msdu_size) == 1 ||
 827                     sscanf(token, "mean_data_rate=%i",
 828                            &params.mean_data_rate) == 1 ||
 829                     sscanf(token, "min_phy_rate=%i",
 830                            &params.minimum_phy_rate) == 1 ||
 831                     sscanf(token, "sba=%i",
 832                            &params.surplus_bandwidth_allowance) == 1)
 833                         continue;
 834
 835                 if (os_strcasecmp(token, "downlink") == 0) {
 836                         params.direction = WMM_TSPEC_DIRECTION_DOWNLINK;
 837                 } else if (os_strcasecmp(token, "uplink") == 0) {
 838                         params.direction = WMM_TSPEC_DIRECTION_UPLINK;
 839                 } else if (os_strcasecmp(token, "bidi") == 0) {
 840                         params.direction = WMM_TSPEC_DIRECTION_BI_DIRECTIONAL;
 841                 } else if (os_strcasecmp(token, "fixed_nominal_msdu") == 0) {
 842                         params.fixed_nominal_msdu = 1;
 843                 } else {
 844                         wpa_printf(MSG_DEBUG,
 845                                    "CTRL: Invalid WMM_AC_ADDTS parameter: '%s'",
 846                                    token);
 847                         return -1;
 848                 }
 849
 850         }
 851
 852         return wpas_wmm_ac_addts(wpa_s, &params);
 853 }
 854
 855
 856 static int wmm_ac_ctrl_delts(struct wpa_supplicant *wpa_s, char *cmd)
 857 {
 858         u8 tsid = atoi(cmd);
 859
 860         return wpas_wmm_ac_delts(wpa_s, tsid);
 861 }
 862
 863
 864 #ifdef CONFIG_IEEE80211R
 865 static int wpa_supplicant_ctrl_iface_ft_ds(
 866         struct wpa_supplicant *wpa_s, char *addr)
 867 {
 868         u8 target_ap[ETH_ALEN];
 869         struct wpa_bss *bss;
 870         const u8 *mdie;
 871
 872         if (hwaddr_aton(addr, target_ap)) {
 873                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 874                            "address '%s'", addr);
 875                 return -1;
 876         }
 877
 878         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 879
 880         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 881         if (bss)
 882                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 883         else
 884                 mdie = NULL;
 885
 886         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 887 }
 888 #endif /* CONFIG_IEEE80211R */
 889
 890
 891 #ifdef CONFIG_WPS
 892 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 893                                              char *cmd)
 894 {
 895         u8 bssid[ETH_ALEN], *_bssid = bssid;
 896 #ifdef CONFIG_P2P
 897         u8 p2p_dev_addr[ETH_ALEN];
 898 #endif /* CONFIG_P2P */
 899 #ifdef CONFIG_AP
 900         u8 *_p2p_dev_addr = NULL;
 901 #endif /* CONFIG_AP */
 902
 903         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 904                 _bssid = NULL;
 905 #ifdef CONFIG_P2P
 906         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 907                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 908                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 909                                    "P2P Device Address '%s'",
 910                                    cmd + 13);
 911                         return -1;
 912                 }
 913                 _p2p_dev_addr = p2p_dev_addr;
 914 #endif /* CONFIG_P2P */
 915         } else if (hwaddr_aton(cmd, bssid)) {
 916                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 917                            cmd);
 918                 return -1;
 919         }
 920
 921 #ifdef CONFIG_AP
 922         if (wpa_s->ap_iface)
 923                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 924 #endif /* CONFIG_AP */
 925
 926         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 927 }
 928
 929
 930 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 931                                              char *cmd, char *buf,
 932                                              size_t buflen)
 933 {
 934         u8 bssid[ETH_ALEN], *_bssid = bssid;
 935         char *pin;
 936         int ret;
 937
 938         pin = os_strchr(cmd, ' ');
 939         if (pin)
 940                 *pin++ = '\0';
 941
 942         if (os_strcmp(cmd, "any") == 0)
 943                 _bssid = NULL;
 944         else if (os_strcmp(cmd, "get") == 0) {
 945                 ret = wps_generate_pin();
 946                 goto done;
 947         } else if (hwaddr_aton(cmd, bssid)) {
 948                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 949                            cmd);
 950                 return -1;
 951         }
 952
 953 #ifdef CONFIG_AP
 954         if (wpa_s->ap_iface) {
 955                 int timeout = 0;
 956                 char *pos;
 957
 958                 if (pin) {
 959                         pos = os_strchr(pin, ' ');
 960                         if (pos) {
 961                                 *pos++ = '\0';
 962                                 timeout = atoi(pos);
 963                         }
 964                 }
 965
 966                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 967                                                  buf, buflen, timeout);
 968         }
 969 #endif /* CONFIG_AP */
 970
 971         if (pin) {
 972                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 973                                          DEV_PW_DEFAULT);
 974                 if (ret < 0)
 975                         return -1;
 976                 ret = os_snprintf(buf, buflen, "%s", pin);
 977                 if (os_snprintf_error(buflen, ret))
 978                         return -1;
 979                 return ret;
 980         }
 981
 982         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 983         if (ret < 0)
 984                 return -1;
 985
 986 done:
 987         /* Return the generated PIN */
 988         ret = os_snprintf(buf, buflen, "%08d", ret);
 989         if (os_snprintf_error(buflen, ret))
 990                 return -1;
 991         return ret;
 992 }
 993
 994
 995 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 996         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 997 {
 998         char pin[9];
 999         size_t len;
1000         char *pos;
1001         int ret;
1002
1003         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
1004                               (u8 *) cmd, os_strlen(cmd));
1005         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
1006                 if (*pos < '0' || *pos > '9')
1007                         continue;
1008                 pin[len++] = *pos;
1009                 if (len == 9) {
1010                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
1011                         return -1;
1012                 }
1013         }
1014         if (len != 4 && len != 8) {
1015                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
1016                 return -1;
1017         }
1018         pin[len] = '\0';
1019
1020         if (len == 8) {
1021                 unsigned int pin_val;
1022                 pin_val = atoi(pin);
1023                 if (!wps_pin_valid(pin_val)) {
1024                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
1025                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
1026                         if (os_snprintf_error(buflen, ret))
1027                                 return -1;
1028                         return ret;
1029                 }
1030         }
1031
1032         ret = os_snprintf(buf, buflen, "%s", pin);
1033         if (os_snprintf_error(buflen, ret))
1034                 return -1;
1035
1036         return ret;
1037 }
1038
1039
1040 #ifdef CONFIG_WPS_NFC
1041
1042 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
1043                                              char *cmd)
1044 {
1045         u8 bssid[ETH_ALEN], *_bssid = bssid;
1046
1047         if (cmd == NULL || cmd[0] == '\0')
1048                 _bssid = NULL;
1049         else if (hwaddr_aton(cmd, bssid))
1050                 return -1;
1051
1052         return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
1053                                   0, 0);
1054 }
1055
1056
1057 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
1058         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1059 {
1060         int ndef;
1061         struct wpabuf *buf;
1062         int res;
1063         char *pos;
1064
1065         pos = os_strchr(cmd, ' ');
1066         if (pos)
1067                 *pos++ = '\0';
1068         if (os_strcmp(cmd, "WPS") == 0)
1069                 ndef = 0;
1070         else if (os_strcmp(cmd, "NDEF") == 0)
1071                 ndef = 1;
1072         else
1073                 return -1;
1074
1075         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
1076         if (buf == NULL)
1077                 return -1;
1078
1079         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1080                                          wpabuf_len(buf));
1081         reply[res++] = '\n';
1082         reply[res] = '\0';
1083
1084         wpabuf_free(buf);
1085
1086         return res;
1087 }
1088
1089
1090 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
1091         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1092 {
1093         int ndef;
1094         struct wpabuf *buf;
1095         int res;
1096
1097         if (os_strcmp(cmd, "WPS") == 0)
1098                 ndef = 0;
1099         else if (os_strcmp(cmd, "NDEF") == 0)
1100                 ndef = 1;
1101         else
1102                 return -1;
1103
1104         buf = wpas_wps_nfc_token(wpa_s, ndef);
1105         if (buf == NULL)
1106                 return -1;
1107
1108         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1109                                          wpabuf_len(buf));
1110         reply[res++] = '\n';
1111         reply[res] = '\0';
1112
1113         wpabuf_free(buf);
1114
1115         return res;
1116 }
1117
1118
1119 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
1120         struct wpa_supplicant *wpa_s, char *pos)
1121 {
1122         size_t len;
1123         struct wpabuf *buf;
1124         int ret;
1125         char *freq;
1126         int forced_freq = 0;
1127
1128         freq = strstr(pos, " freq=");
1129         if (freq) {
1130                 *freq = '\0';
1131                 freq += 6;
1132                 forced_freq = atoi(freq);
1133         }
1134
1135         len = os_strlen(pos);
1136         if (len & 0x01)
1137                 return -1;
1138         len /= 2;
1139
1140         buf = wpabuf_alloc(len);
1141         if (buf == NULL)
1142                 return -1;
1143         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
1144                 wpabuf_free(buf);
1145                 return -1;
1146         }
1147
1148         ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
1149         wpabuf_free(buf);
1150
1151         return ret;
1152 }
1153
1154
1155 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
1156                                               char *reply, size_t max_len,
1157                                               int ndef)
1158 {
1159         struct wpabuf *buf;
1160         int res;
1161
1162         buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
1163         if (buf == NULL)
1164                 return -1;
1165
1166         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1167                                          wpabuf_len(buf));
1168         reply[res++] = '\n';
1169         reply[res] = '\0';
1170
1171         wpabuf_free(buf);
1172
1173         return res;
1174 }
1175
1176
1177 #ifdef CONFIG_P2P
1178 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
1179                                               char *reply, size_t max_len,
1180                                               int ndef)
1181 {
1182         struct wpabuf *buf;
1183         int res;
1184
1185         buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
1186         if (buf == NULL) {
1187                 wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
1188                 return -1;
1189         }
1190
1191         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1192                                          wpabuf_len(buf));
1193         reply[res++] = '\n';
1194         reply[res] = '\0';
1195
1196         wpabuf_free(buf);
1197
1198         return res;
1199 }
1200 #endif /* CONFIG_P2P */
1201
1202
1203 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
1204                                           char *cmd, char *reply,
1205                                           size_t max_len)
1206 {
1207         char *pos;
1208         int ndef;
1209
1210         pos = os_strchr(cmd, ' ');
1211         if (pos == NULL)
1212                 return -1;
1213         *pos++ = '\0';
1214
1215         if (os_strcmp(cmd, "WPS") == 0)
1216                 ndef = 0;
1217         else if (os_strcmp(cmd, "NDEF") == 0)
1218                 ndef = 1;
1219         else
1220                 return -1;
1221
1222         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1223                 if (!ndef)
1224                         return -1;
1225                 return wpas_ctrl_nfc_get_handover_req_wps(
1226                         wpa_s, reply, max_len, ndef);
1227         }
1228
1229 #ifdef CONFIG_P2P
1230         if (os_strcmp(pos, "P2P-CR") == 0) {
1231                 return wpas_ctrl_nfc_get_handover_req_p2p(
1232                         wpa_s, reply, max_len, ndef);
1233         }
1234 #endif /* CONFIG_P2P */
1235
1236         return -1;
1237 }
1238
1239
1240 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1241                                               char *reply, size_t max_len,
1242                                               int ndef, int cr, char *uuid)
1243 {
1244         struct wpabuf *buf;
1245         int res;
1246
1247         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1248         if (buf == NULL)
1249                 return -1;
1250
1251         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1252                                          wpabuf_len(buf));
1253         reply[res++] = '\n';
1254         reply[res] = '\0';
1255
1256         wpabuf_free(buf);
1257
1258         return res;
1259 }
1260
1261
1262 #ifdef CONFIG_P2P
1263 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1264                                               char *reply, size_t max_len,
1265                                               int ndef, int tag)
1266 {
1267         struct wpabuf *buf;
1268         int res;
1269
1270         buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1271         if (buf == NULL)
1272                 return -1;
1273
1274         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1275                                          wpabuf_len(buf));
1276         reply[res++] = '\n';
1277         reply[res] = '\0';
1278
1279         wpabuf_free(buf);
1280
1281         return res;
1282 }
1283 #endif /* CONFIG_P2P */
1284
1285
1286 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1287                                           char *cmd, char *reply,
1288                                           size_t max_len)
1289 {
1290         char *pos, *pos2;
1291         int ndef;
1292
1293         pos = os_strchr(cmd, ' ');
1294         if (pos == NULL)
1295                 return -1;
1296         *pos++ = '\0';
1297
1298         if (os_strcmp(cmd, "WPS") == 0)
1299                 ndef = 0;
1300         else if (os_strcmp(cmd, "NDEF") == 0)
1301                 ndef = 1;
1302         else
1303                 return -1;
1304
1305         pos2 = os_strchr(pos, ' ');
1306         if (pos2)
1307                 *pos2++ = '\0';
1308         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1309                 if (!ndef)
1310                         return -1;
1311                 return wpas_ctrl_nfc_get_handover_sel_wps(
1312                         wpa_s, reply, max_len, ndef,
1313                         os_strcmp(pos, "WPS-CR") == 0, pos2);
1314         }
1315
1316 #ifdef CONFIG_P2P
1317         if (os_strcmp(pos, "P2P-CR") == 0) {
1318                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1319                         wpa_s, reply, max_len, ndef, 0);
1320         }
1321
1322         if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1323                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1324                         wpa_s, reply, max_len, ndef, 1);
1325         }
1326 #endif /* CONFIG_P2P */
1327
1328         return -1;
1329 }
1330
1331
1332 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1333                                          char *cmd)
1334 {
1335         size_t len;
1336         struct wpabuf *req, *sel;
1337         int ret;
1338         char *pos, *role, *type, *pos2;
1339 #ifdef CONFIG_P2P
1340         char *freq;
1341         int forced_freq = 0;
1342
1343         freq = strstr(cmd, " freq=");
1344         if (freq) {
1345                 *freq = '\0';
1346                 freq += 6;
1347                 forced_freq = atoi(freq);
1348         }
1349 #endif /* CONFIG_P2P */
1350
1351         role = cmd;
1352         pos = os_strchr(role, ' ');
1353         if (pos == NULL) {
1354                 wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1355                 return -1;
1356         }
1357         *pos++ = '\0';
1358
1359         type = pos;
1360         pos = os_strchr(type, ' ');
1361         if (pos == NULL) {
1362                 wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1363                 return -1;
1364         }
1365         *pos++ = '\0';
1366
1367         pos2 = os_strchr(pos, ' ');
1368         if (pos2 == NULL) {
1369                 wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1370                 return -1;
1371         }
1372         *pos2++ = '\0';
1373
1374         len = os_strlen(pos);
1375         if (len & 0x01) {
1376                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1377                 return -1;
1378         }
1379         len /= 2;
1380
1381         req = wpabuf_alloc(len);
1382         if (req == NULL) {
1383                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1384                 return -1;
1385         }
1386         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1387                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1388                 wpabuf_free(req);
1389                 return -1;
1390         }
1391
1392         len = os_strlen(pos2);
1393         if (len & 0x01) {
1394                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1395                 wpabuf_free(req);
1396                 return -1;
1397         }
1398         len /= 2;
1399
1400         sel = wpabuf_alloc(len);
1401         if (sel == NULL) {
1402                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1403                 wpabuf_free(req);
1404                 return -1;
1405         }
1406         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1407                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1408                 wpabuf_free(req);
1409                 wpabuf_free(sel);
1410                 return -1;
1411         }
1412
1413         wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1414                    role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1415
1416         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1417                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1418 #ifdef CONFIG_AP
1419         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1420         {
1421                 ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1422                 if (ret < 0)
1423                         ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1424 #endif /* CONFIG_AP */
1425 #ifdef CONFIG_P2P
1426         } else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1427         {
1428                 ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1429         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1430         {
1431                 ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1432                                                    forced_freq);
1433 #endif /* CONFIG_P2P */
1434         } else {
1435                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1436                            "reported: role=%s type=%s", role, type);
1437                 ret = -1;
1438         }
1439         wpabuf_free(req);
1440         wpabuf_free(sel);
1441
1442         if (ret)
1443                 wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1444
1445         return ret;
1446 }
1447
1448 #endif /* CONFIG_WPS_NFC */
1449
1450
1451 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1452                                              char *cmd)
1453 {
1454         u8 bssid[ETH_ALEN];
1455         char *pin;
1456         char *new_ssid;
1457         char *new_auth;
1458         char *new_encr;
1459         char *new_key;
1460         struct wps_new_ap_settings ap;
1461
1462         pin = os_strchr(cmd, ' ');
1463         if (pin == NULL)
1464                 return -1;
1465         *pin++ = '\0';
1466
1467         if (hwaddr_aton(cmd, bssid)) {
1468                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1469                            cmd);
1470                 return -1;
1471         }
1472
1473         new_ssid = os_strchr(pin, ' ');
1474         if (new_ssid == NULL)
1475                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1476         *new_ssid++ = '\0';
1477
1478         new_auth = os_strchr(new_ssid, ' ');
1479         if (new_auth == NULL)
1480                 return -1;
1481         *new_auth++ = '\0';
1482
1483         new_encr = os_strchr(new_auth, ' ');
1484         if (new_encr == NULL)
1485                 return -1;
1486         *new_encr++ = '\0';
1487
1488         new_key = os_strchr(new_encr, ' ');
1489         if (new_key == NULL)
1490                 return -1;
1491         *new_key++ = '\0';
1492
1493         os_memset(&ap, 0, sizeof(ap));
1494         ap.ssid_hex = new_ssid;
1495         ap.auth = new_auth;
1496         ap.encr = new_encr;
1497         ap.key_hex = new_key;
1498         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1499 }
1500
1501
1502 #ifdef CONFIG_AP
1503 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1504                                                 char *cmd, char *buf,
1505                                                 size_t buflen)
1506 {
1507         int timeout = 300;
1508         char *pos;
1509         const char *pin_txt;
1510
1511         if (!wpa_s->ap_iface)
1512                 return -1;
1513
1514         pos = os_strchr(cmd, ' ');
1515         if (pos)
1516                 *pos++ = '\0';
1517
1518         if (os_strcmp(cmd, "disable") == 0) {
1519                 wpas_wps_ap_pin_disable(wpa_s);
1520                 return os_snprintf(buf, buflen, "OK\n");
1521         }
1522
1523         if (os_strcmp(cmd, "random") == 0) {
1524                 if (pos)
1525                         timeout = atoi(pos);
1526                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1527                 if (pin_txt == NULL)
1528                         return -1;
1529                 return os_snprintf(buf, buflen, "%s", pin_txt);
1530         }
1531
1532         if (os_strcmp(cmd, "get") == 0) {
1533                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1534                 if (pin_txt == NULL)
1535                         return -1;
1536                 return os_snprintf(buf, buflen, "%s", pin_txt);
1537         }
1538
1539         if (os_strcmp(cmd, "set") == 0) {
1540                 char *pin;
1541                 if (pos == NULL)
1542                         return -1;
1543                 pin = pos;
1544                 pos = os_strchr(pos, ' ');
1545                 if (pos) {
1546                         *pos++ = '\0';
1547                         timeout = atoi(pos);
1548                 }
1549                 if (os_strlen(pin) > buflen)
1550                         return -1;
1551                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1552                         return -1;
1553                 return os_snprintf(buf, buflen, "%s", pin);
1554         }
1555
1556         return -1;
1557 }
1558 #endif /* CONFIG_AP */
1559
1560
1561 #ifdef CONFIG_WPS_ER
1562 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1563                                                 char *cmd)
1564 {
1565         char *uuid = cmd, *pin, *pos;
1566         u8 addr_buf[ETH_ALEN], *addr = NULL;
1567         pin = os_strchr(uuid, ' ');
1568         if (pin == NULL)
1569                 return -1;
1570         *pin++ = '\0';
1571         pos = os_strchr(pin, ' ');
1572         if (pos) {
1573                 *pos++ = '\0';
1574                 if (hwaddr_aton(pos, addr_buf) == 0)
1575                         addr = addr_buf;
1576         }
1577         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1578 }
1579
1580
1581 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1582                                                   char *cmd)
1583 {
1584         char *uuid = cmd, *pin;
1585         pin = os_strchr(uuid, ' ');
1586         if (pin == NULL)
1587                 return -1;
1588         *pin++ = '\0';
1589         return wpas_wps_er_learn(wpa_s, uuid, pin);
1590 }
1591
1592
1593 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1594         struct wpa_supplicant *wpa_s, char *cmd)
1595 {
1596         char *uuid = cmd, *id;
1597         id = os_strchr(uuid, ' ');
1598         if (id == NULL)
1599                 return -1;
1600         *id++ = '\0';
1601         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1602 }
1603
1604
1605 static int wpa_supplicant_ctrl_iface_wps_er_config(
1606         struct wpa_supplicant *wpa_s, char *cmd)
1607 {
1608         char *pin;
1609         char *new_ssid;
1610         char *new_auth;
1611         char *new_encr;
1612         char *new_key;
1613         struct wps_new_ap_settings ap;
1614
1615         pin = os_strchr(cmd, ' ');
1616         if (pin == NULL)
1617                 return -1;
1618         *pin++ = '\0';
1619
1620         new_ssid = os_strchr(pin, ' ');
1621         if (new_ssid == NULL)
1622                 return -1;
1623         *new_ssid++ = '\0';
1624
1625         new_auth = os_strchr(new_ssid, ' ');
1626         if (new_auth == NULL)
1627                 return -1;
1628         *new_auth++ = '\0';
1629
1630         new_encr = os_strchr(new_auth, ' ');
1631         if (new_encr == NULL)
1632                 return -1;
1633         *new_encr++ = '\0';
1634
1635         new_key = os_strchr(new_encr, ' ');
1636         if (new_key == NULL)
1637                 return -1;
1638         *new_key++ = '\0';
1639
1640         os_memset(&ap, 0, sizeof(ap));
1641         ap.ssid_hex = new_ssid;
1642         ap.auth = new_auth;
1643         ap.encr = new_encr;
1644         ap.key_hex = new_key;
1645         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1646 }
1647
1648
1649 #ifdef CONFIG_WPS_NFC
1650 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1651         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1652 {
1653         int ndef;
1654         struct wpabuf *buf;
1655         int res;
1656         char *uuid;
1657
1658         uuid = os_strchr(cmd, ' ');
1659         if (uuid == NULL)
1660                 return -1;
1661         *uuid++ = '\0';
1662
1663         if (os_strcmp(cmd, "WPS") == 0)
1664                 ndef = 0;
1665         else if (os_strcmp(cmd, "NDEF") == 0)
1666                 ndef = 1;
1667         else
1668                 return -1;
1669
1670         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1671         if (buf == NULL)
1672                 return -1;
1673
1674         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1675                                          wpabuf_len(buf));
1676         reply[res++] = '\n';
1677         reply[res] = '\0';
1678
1679         wpabuf_free(buf);
1680
1681         return res;
1682 }
1683 #endif /* CONFIG_WPS_NFC */
1684 #endif /* CONFIG_WPS_ER */
1685
1686 #endif /* CONFIG_WPS */
1687
1688
1689 #ifdef CONFIG_IBSS_RSN
1690 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1691         struct wpa_supplicant *wpa_s, char *addr)
1692 {
1693         u8 peer[ETH_ALEN];
1694
1695         if (hwaddr_aton(addr, peer)) {
1696                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1697                            "address '%s'", addr);
1698                 return -1;
1699         }
1700
1701         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1702                    MAC2STR(peer));
1703
1704         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1705 }
1706 #endif /* CONFIG_IBSS_RSN */
1707
1708
1709 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1710                                               char *rsp)
1711 {
1712 #ifdef IEEE8021X_EAPOL
1713         char *pos, *id_pos;
1714         int id;
1715         struct wpa_ssid *ssid;
1716
1717         pos = os_strchr(rsp, '-');
1718         if (pos == NULL)
1719                 return -1;
1720         *pos++ = '\0';
1721         id_pos = pos;
1722         pos = os_strchr(pos, ':');
1723         if (pos == NULL)
1724                 return -1;
1725         *pos++ = '\0';
1726         id = atoi(id_pos);
1727         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1728         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1729                               (u8 *) pos, os_strlen(pos));
1730
1731         ssid = wpa_config_get_network(wpa_s->conf, id);
1732         if (ssid == NULL) {
1733                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1734                            "to update", id);
1735                 return -1;
1736         }
1737
1738         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1739                                                          pos);
1740 #else /* IEEE8021X_EAPOL */
1741         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1742         return -1;
1743 #endif /* IEEE8021X_EAPOL */
1744 }
1745
1746
1747 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1748                                             const char *params,
1749                                             char *buf, size_t buflen)
1750 {
1751         char *pos, *end, tmp[30];
1752         int res, verbose, wps, ret;
1753 #ifdef CONFIG_HS20
1754         const u8 *hs20;
1755 #endif /* CONFIG_HS20 */
1756         const u8 *sess_id;
1757         size_t sess_id_len;
1758
1759         if (os_strcmp(params, "-DRIVER") == 0)
1760                 return wpa_drv_status(wpa_s, buf, buflen);
1761         verbose = os_strcmp(params, "-VERBOSE") == 0;
1762         wps = os_strcmp(params, "-WPS") == 0;
1763         pos = buf;
1764         end = buf + buflen;
1765         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1766                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1767                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1768                                   MAC2STR(wpa_s->bssid));
1769                 if (os_snprintf_error(end - pos, ret))
1770                         return pos - buf;
1771                 pos += ret;
1772                 ret = os_snprintf(pos, end - pos, "freq=%u\n",
1773                                   wpa_s->assoc_freq);
1774                 if (os_snprintf_error(end - pos, ret))
1775                         return pos - buf;
1776                 pos += ret;
1777                 if (ssid) {
1778                         u8 *_ssid = ssid->ssid;
1779                         size_t ssid_len = ssid->ssid_len;
1780                         u8 ssid_buf[SSID_MAX_LEN];
1781                         if (ssid_len == 0) {
1782                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1783                                 if (_res < 0)
1784                                         ssid_len = 0;
1785                                 else
1786                                         ssid_len = _res;
1787                                 _ssid = ssid_buf;
1788                         }
1789                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1790                                           wpa_ssid_txt(_ssid, ssid_len),
1791                                           ssid->id);
1792                         if (os_snprintf_error(end - pos, ret))
1793                                 return pos - buf;
1794                         pos += ret;
1795
1796                         if (wps && ssid->passphrase &&
1797                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1798                             (ssid->mode == WPAS_MODE_AP ||
1799                              ssid->mode == WPAS_MODE_P2P_GO)) {
1800                                 ret = os_snprintf(pos, end - pos,
1801                                                   "passphrase=%s\n",
1802                                                   ssid->passphrase);
1803                                 if (os_snprintf_error(end - pos, ret))
1804                                         return pos - buf;
1805                                 pos += ret;
1806                         }
1807                         if (ssid->id_str) {
1808                                 ret = os_snprintf(pos, end - pos,
1809                                                   "id_str=%s\n",
1810                                                   ssid->id_str);
1811                                 if (os_snprintf_error(end - pos, ret))
1812                                         return pos - buf;
1813                                 pos += ret;
1814                         }
1815
1816                         switch (ssid->mode) {
1817                         case WPAS_MODE_INFRA:
1818                                 ret = os_snprintf(pos, end - pos,
1819                                                   "mode=station\n");
1820                                 break;
1821                         case WPAS_MODE_IBSS:
1822                                 ret = os_snprintf(pos, end - pos,
1823                                                   "mode=IBSS\n");
1824                                 break;
1825                         case WPAS_MODE_AP:
1826                                 ret = os_snprintf(pos, end - pos,
1827                                                   "mode=AP\n");
1828                                 break;
1829                         case WPAS_MODE_P2P_GO:
1830                                 ret = os_snprintf(pos, end - pos,
1831                                                   "mode=P2P GO\n");
1832                                 break;
1833                         case WPAS_MODE_P2P_GROUP_FORMATION:
1834                                 ret = os_snprintf(pos, end - pos,
1835                                                   "mode=P2P GO - group "
1836                                                   "formation\n");
1837                                 break;
1838                         default:
1839                                 ret = 0;
1840                                 break;
1841                         }
1842                         if (os_snprintf_error(end - pos, ret))
1843                                 return pos - buf;
1844                         pos += ret;
1845                 }
1846
1847 #ifdef CONFIG_AP
1848                 if (wpa_s->ap_iface) {
1849                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1850                                                             end - pos,
1851                                                             verbose);
1852                 } else
1853 #endif /* CONFIG_AP */
1854                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1855         }
1856 #ifdef CONFIG_SAE
1857         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1858 #ifdef CONFIG_AP
1859             !wpa_s->ap_iface &&
1860 #endif /* CONFIG_AP */
1861             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1862                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1863                                   wpa_s->sme.sae.group);
1864                 if (os_snprintf_error(end - pos, ret))
1865                         return pos - buf;
1866                 pos += ret;
1867         }
1868 #endif /* CONFIG_SAE */
1869         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1870                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1871         if (os_snprintf_error(end - pos, ret))
1872                 return pos - buf;
1873         pos += ret;
1874
1875         if (wpa_s->l2 &&
1876             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1877                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1878                 if (os_snprintf_error(end - pos, ret))
1879                         return pos - buf;
1880                 pos += ret;
1881         }
1882
1883 #ifdef CONFIG_P2P
1884         if (wpa_s->global->p2p) {
1885                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1886                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1887                 if (os_snprintf_error(end - pos, ret))
1888                         return pos - buf;
1889                 pos += ret;
1890         }
1891 #endif /* CONFIG_P2P */
1892
1893         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1894                           MAC2STR(wpa_s->own_addr));
1895         if (os_snprintf_error(end - pos, ret))
1896                 return pos - buf;
1897         pos += ret;
1898
1899 #ifdef CONFIG_HS20
1900         if (wpa_s->current_bss &&
1901             (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1902                                           HS20_IE_VENDOR_TYPE)) &&
1903             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1904             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1905                 int release = 1;
1906                 if (hs20[1] >= 5) {
1907                         u8 rel_num = (hs20[6] & 0xf0) >> 4;
1908                         release = rel_num + 1;
1909                 }
1910                 ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
1911                 if (os_snprintf_error(end - pos, ret))
1912                         return pos - buf;
1913                 pos += ret;
1914         }
1915
1916         if (wpa_s->current_ssid) {
1917                 struct wpa_cred *cred;
1918                 char *type;
1919
1920                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1921                         size_t i;
1922
1923                         if (wpa_s->current_ssid->parent_cred != cred)
1924                                 continue;
1925
1926                         if (cred->provisioning_sp) {
1927                                 ret = os_snprintf(pos, end - pos,
1928                                                   "provisioning_sp=%s\n",
1929                                                   cred->provisioning_sp);
1930                                 if (os_snprintf_error(end - pos, ret))
1931                                         return pos - buf;
1932                                 pos += ret;
1933                         }
1934
1935                         if (!cred->domain)
1936                                 goto no_domain;
1937
1938                         i = 0;
1939                         if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
1940                                 struct wpabuf *names =
1941                                         wpa_s->current_bss->anqp->domain_name;
1942                                 for (i = 0; names && i < cred->num_domain; i++)
1943                                 {
1944                                         if (domain_name_list_contains(
1945                                                     names, cred->domain[i], 1))
1946                                                 break;
1947                                 }
1948                                 if (i == cred->num_domain)
1949                                         i = 0; /* show first entry by default */
1950                         }
1951                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1952                                           cred->domain[i]);
1953                         if (os_snprintf_error(end - pos, ret))
1954                                 return pos - buf;
1955                         pos += ret;
1956
1957                 no_domain:
1958                         if (wpa_s->current_bss == NULL ||
1959                             wpa_s->current_bss->anqp == NULL)
1960                                 res = -1;
1961                         else
1962                                 res = interworking_home_sp_cred(
1963                                         wpa_s, cred,
1964                                         wpa_s->current_bss->anqp->domain_name);
1965                         if (res > 0)
1966                                 type = "home";
1967                         else if (res == 0)
1968                                 type = "roaming";
1969                         else
1970                                 type = "unknown";
1971
1972                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1973                         if (os_snprintf_error(end - pos, ret))
1974                                 return pos - buf;
1975                         pos += ret;
1976
1977                         break;
1978                 }
1979         }
1980 #endif /* CONFIG_HS20 */
1981
1982         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1983             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1984                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1985                                           verbose);
1986                 if (res >= 0)
1987                         pos += res;
1988         }
1989
1990         sess_id = eapol_sm_get_session_id(wpa_s->eapol, &sess_id_len);
1991         if (sess_id) {
1992                 char *start = pos;
1993
1994                 ret = os_snprintf(pos, end - pos, "eap_session_id=");
1995                 if (os_snprintf_error(end - pos, ret))
1996                         return start - buf;
1997                 pos += ret;
1998                 ret = wpa_snprintf_hex(pos, end - pos, sess_id, sess_id_len);
1999                 if (ret <= 0)
2000                         return start - buf;
2001                 pos += ret;
2002                 ret = os_snprintf(pos, end - pos, "\n");
2003                 if (os_snprintf_error(end - pos, ret))
2004                         return start - buf;
2005                 pos += ret;
2006         }
2007
2008         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
2009         if (res >= 0)
2010                 pos += res;
2011
2012 #ifdef CONFIG_WPS
2013         {
2014                 char uuid_str[100];
2015                 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
2016                 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
2017                 if (os_snprintf_error(end - pos, ret))
2018                         return pos - buf;
2019                 pos += ret;
2020         }
2021 #endif /* CONFIG_WPS */
2022
2023 #ifdef ANDROID
2024         /*
2025          * Allow using the STATUS command with default behavior, say for debug,
2026          * i.e., don't generate a "fake" CONNECTION and SUPPLICANT_STATE_CHANGE
2027          * events with STATUS-NO_EVENTS.
2028          */
2029         if (os_strcmp(params, "-NO_EVENTS")) {
2030                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
2031                              "id=%d state=%d BSSID=" MACSTR " SSID=%s",
2032                              wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
2033                              wpa_s->wpa_state,
2034                              MAC2STR(wpa_s->bssid),
2035                              wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
2036                              wpa_ssid_txt(wpa_s->current_ssid->ssid,
2037                                           wpa_s->current_ssid->ssid_len) : "");
2038                 if (wpa_s->wpa_state == WPA_COMPLETED) {
2039                         struct wpa_ssid *ssid = wpa_s->current_ssid;
2040                         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
2041                                      "- connection to " MACSTR
2042                                      " completed %s [id=%d id_str=%s]",
2043                                      MAC2STR(wpa_s->bssid), "(auth)",
2044                                      ssid ? ssid->id : -1,
2045                                      ssid && ssid->id_str ? ssid->id_str : "");
2046                 }
2047         }
2048 #endif /* ANDROID */
2049
2050         return pos - buf;
2051 }
2052
2053
2054 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
2055                                            char *cmd)
2056 {
2057         char *pos;
2058         int id;
2059         struct wpa_ssid *ssid;
2060         u8 bssid[ETH_ALEN];
2061
2062         /* cmd: "<network id> <BSSID>" */
2063         pos = os_strchr(cmd, ' ');
2064         if (pos == NULL)
2065                 return -1;
2066         *pos++ = '\0';
2067         id = atoi(cmd);
2068         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
2069         if (hwaddr_aton(pos, bssid)) {
2070                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
2071                 return -1;
2072         }
2073
2074         ssid = wpa_config_get_network(wpa_s->conf, id);
2075         if (ssid == NULL) {
2076                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
2077                            "to update", id);
2078                 return -1;
2079         }
2080
2081         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
2082         ssid->bssid_set = !is_zero_ether_addr(bssid);
2083
2084         return 0;
2085 }
2086
2087
2088 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
2089                                                char *cmd, char *buf,
2090                                                size_t buflen)
2091 {
2092         u8 bssid[ETH_ALEN];
2093         struct wpa_blacklist *e;
2094         char *pos, *end;
2095         int ret;
2096
2097         /* cmd: "BLACKLIST [<BSSID>]" */
2098         if (*cmd == '\0') {
2099                 pos = buf;
2100                 end = buf + buflen;
2101                 e = wpa_s->blacklist;
2102                 while (e) {
2103                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
2104                                           MAC2STR(e->bssid));
2105                         if (os_snprintf_error(end - pos, ret))
2106                                 return pos - buf;
2107                         pos += ret;
2108                         e = e->next;
2109                 }
2110                 return pos - buf;
2111         }
2112
2113         cmd++;
2114         if (os_strncmp(cmd, "clear", 5) == 0) {
2115                 wpa_blacklist_clear(wpa_s);
2116                 os_memcpy(buf, "OK\n", 3);
2117                 return 3;
2118         }
2119
2120         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
2121         if (hwaddr_aton(cmd, bssid)) {
2122                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
2123                 return -1;
2124         }
2125
2126         /*
2127          * Add the BSSID twice, so its count will be 2, causing it to be
2128          * skipped when processing scan results.
2129          */
2130         ret = wpa_blacklist_add(wpa_s, bssid);
2131         if (ret < 0)
2132                 return -1;
2133         ret = wpa_blacklist_add(wpa_s, bssid);
2134         if (ret < 0)
2135                 return -1;
2136         os_memcpy(buf, "OK\n", 3);
2137         return 3;
2138 }
2139
2140
2141 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
2142                                                char *cmd, char *buf,
2143                                                size_t buflen)
2144 {
2145         char *pos, *end, *stamp;
2146         int ret;
2147
2148         /* cmd: "LOG_LEVEL [<level>]" */
2149         if (*cmd == '\0') {
2150                 pos = buf;
2151                 end = buf + buflen;
2152                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
2153                                   "Timestamp: %d\n",
2154                                   debug_level_str(wpa_debug_level),
2155                                   wpa_debug_timestamp);
2156                 if (os_snprintf_error(end - pos, ret))
2157                         ret = 0;
2158
2159                 return ret;
2160         }
2161
2162         while (*cmd == ' ')
2163                 cmd++;
2164
2165         stamp = os_strchr(cmd, ' ');
2166         if (stamp) {
2167                 *stamp++ = '\0';
2168                 while (*stamp == ' ') {
2169                         stamp++;
2170                 }
2171         }
2172
2173         if (os_strlen(cmd)) {
2174                 int level = str_to_debug_level(cmd);
2175                 if (level < 0)
2176                         return -1;
2177                 wpa_debug_level = level;
2178         }
2179
2180         if (stamp && os_strlen(stamp))
2181                 wpa_debug_timestamp = atoi(stamp);
2182
2183         os_memcpy(buf, "OK\n", 3);
2184         return 3;
2185 }
2186
2187
2188 static int wpa_supplicant_ctrl_iface_list_networks(
2189         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2190 {
2191         char *pos, *end, *prev;
2192         struct wpa_ssid *ssid;
2193         int ret;
2194
2195         pos = buf;
2196         end = buf + buflen;
2197         ret = os_snprintf(pos, end - pos,
2198                           "network id / ssid / bssid / flags\n");
2199         if (os_snprintf_error(end - pos, ret))
2200                 return pos - buf;
2201         pos += ret;
2202
2203         ssid = wpa_s->conf->ssid;
2204
2205         /* skip over ssids until we find next one */
2206         if (cmd != NULL && os_strncmp(cmd, "LAST_ID=", 8) == 0) {
2207                 int last_id = atoi(cmd + 8);
2208                 if (last_id != -1) {
2209                         while (ssid != NULL && ssid->id <= last_id) {
2210                                 ssid = ssid->next;
2211                         }
2212                 }
2213         }
2214
2215         while (ssid) {
2216                 prev = pos;
2217                 ret = os_snprintf(pos, end - pos, "%d\t%s",
2218                                   ssid->id,
2219                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2220                 if (os_snprintf_error(end - pos, ret))
2221                         return prev - buf;
2222                 pos += ret;
2223                 if (ssid->bssid_set) {
2224                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2225                                           MAC2STR(ssid->bssid));
2226                 } else {
2227                         ret = os_snprintf(pos, end - pos, "\tany");
2228                 }
2229                 if (os_snprintf_error(end - pos, ret))
2230                         return prev - buf;
2231                 pos += ret;
2232                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2233                                   ssid == wpa_s->current_ssid ?
2234                                   "[CURRENT]" : "",
2235                                   ssid->disabled ? "[DISABLED]" : "",
2236                                   ssid->disabled_until.sec ?
2237                                   "[TEMP-DISABLED]" : "",
2238                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2239                                   "");
2240                 if (os_snprintf_error(end - pos, ret))
2241                         return prev - buf;
2242                 pos += ret;
2243                 ret = os_snprintf(pos, end - pos, "\n");
2244                 if (os_snprintf_error(end - pos, ret))
2245                         return prev - buf;
2246                 pos += ret;
2247
2248                 ssid = ssid->next;
2249         }
2250
2251         return pos - buf;
2252 }
2253
2254
2255 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2256 {
2257         int ret;
2258         ret = os_snprintf(pos, end - pos, "-");
2259         if (os_snprintf_error(end - pos, ret))
2260                 return pos;
2261         pos += ret;
2262         ret = wpa_write_ciphers(pos, end, cipher, "+");
2263         if (ret < 0)
2264                 return pos;
2265         pos += ret;
2266         return pos;
2267 }
2268
2269
2270 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2271                                     const u8 *ie, size_t ie_len)
2272 {
2273         struct wpa_ie_data data;
2274         char *start;
2275         int ret;
2276
2277         ret = os_snprintf(pos, end - pos, "[%s-", proto);
2278         if (os_snprintf_error(end - pos, ret))
2279                 return pos;
2280         pos += ret;
2281
2282         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2283                 ret = os_snprintf(pos, end - pos, "?]");
2284                 if (os_snprintf_error(end - pos, ret))
2285                         return pos;
2286                 pos += ret;
2287                 return pos;
2288         }
2289
2290         start = pos;
2291         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2292                 ret = os_snprintf(pos, end - pos, "%sEAP",
2293                                   pos == start ? "" : "+");
2294                 if (os_snprintf_error(end - pos, ret))
2295                         return pos;
2296                 pos += ret;
2297         }
2298         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2299                 ret = os_snprintf(pos, end - pos, "%sPSK",
2300                                   pos == start ? "" : "+");
2301                 if (os_snprintf_error(end - pos, ret))
2302                         return pos;
2303                 pos += ret;
2304         }
2305         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2306                 ret = os_snprintf(pos, end - pos, "%sNone",
2307                                   pos == start ? "" : "+");
2308                 if (os_snprintf_error(end - pos, ret))
2309                         return pos;
2310                 pos += ret;
2311         }
2312         if (data.key_mgmt & WPA_KEY_MGMT_SAE) {
2313                 ret = os_snprintf(pos, end - pos, "%sSAE",
2314                                   pos == start ? "" : "+");
2315                 if (os_snprintf_error(end - pos, ret))
2316                         return pos;
2317                 pos += ret;
2318         }
2319 #ifdef CONFIG_IEEE80211R
2320         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2321                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2322                                   pos == start ? "" : "+");
2323                 if (os_snprintf_error(end - pos, ret))
2324                         return pos;
2325                 pos += ret;
2326         }
2327         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2328                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2329                                   pos == start ? "" : "+");
2330                 if (os_snprintf_error(end - pos, ret))
2331                         return pos;
2332                 pos += ret;
2333         }
2334         if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) {
2335                 ret = os_snprintf(pos, end - pos, "%sFT/SAE",
2336                                   pos == start ? "" : "+");
2337                 if (os_snprintf_error(end - pos, ret))
2338                         return pos;
2339                 pos += ret;
2340         }
2341 #endif /* CONFIG_IEEE80211R */
2342 #ifdef CONFIG_IEEE80211W
2343         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2344                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2345                                   pos == start ? "" : "+");
2346                 if (os_snprintf_error(end - pos, ret))
2347                         return pos;
2348                 pos += ret;
2349         }
2350         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2351                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2352                                   pos == start ? "" : "+");
2353                 if (os_snprintf_error(end - pos, ret))
2354                         return pos;
2355                 pos += ret;
2356         }
2357 #endif /* CONFIG_IEEE80211W */
2358
2359 #ifdef CONFIG_SUITEB
2360         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
2361                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B",
2362                                   pos == start ? "" : "+");
2363                 if (os_snprintf_error(end - pos, ret))
2364                         return pos;
2365                 pos += ret;
2366         }
2367 #endif /* CONFIG_SUITEB */
2368
2369 #ifdef CONFIG_SUITEB192
2370         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
2371                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B-192",
2372                                   pos == start ? "" : "+");
2373                 if (os_snprintf_error(end - pos, ret))
2374                         return pos;
2375                 pos += ret;
2376         }
2377 #endif /* CONFIG_SUITEB192 */
2378
2379         if (data.key_mgmt & WPA_KEY_MGMT_OSEN) {
2380                 ret = os_snprintf(pos, end - pos, "%sOSEN",
2381                                   pos == start ? "" : "+");
2382                 if (os_snprintf_error(end - pos, ret))
2383                         return pos;
2384                 pos += ret;
2385         }
2386
2387         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2388
2389         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2390                 ret = os_snprintf(pos, end - pos, "-preauth");
2391                 if (os_snprintf_error(end - pos, ret))
2392                         return pos;
2393                 pos += ret;
2394         }
2395
2396         ret = os_snprintf(pos, end - pos, "]");
2397         if (os_snprintf_error(end - pos, ret))
2398                 return pos;
2399         pos += ret;
2400
2401         return pos;
2402 }
2403
2404
2405 #ifdef CONFIG_WPS
2406 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2407                                             char *pos, char *end,
2408                                             struct wpabuf *wps_ie)
2409 {
2410         int ret;
2411         const char *txt;
2412
2413         if (wps_ie == NULL)
2414                 return pos;
2415         if (wps_is_selected_pbc_registrar(wps_ie))
2416                 txt = "[WPS-PBC]";
2417         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2418                 txt = "[WPS-AUTH]";
2419         else if (wps_is_selected_pin_registrar(wps_ie))
2420                 txt = "[WPS-PIN]";
2421         else
2422                 txt = "[WPS]";
2423
2424         ret = os_snprintf(pos, end - pos, "%s", txt);
2425         if (!os_snprintf_error(end - pos, ret))
2426                 pos += ret;
2427         wpabuf_free(wps_ie);
2428         return pos;
2429 }
2430 #endif /* CONFIG_WPS */
2431
2432
2433 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2434                                         char *pos, char *end,
2435                                         const struct wpa_bss *bss)
2436 {
2437 #ifdef CONFIG_WPS
2438         struct wpabuf *wps_ie;
2439         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2440         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2441 #else /* CONFIG_WPS */
2442         return pos;
2443 #endif /* CONFIG_WPS */
2444 }
2445
2446
2447 /* Format one result on one text line into a buffer. */
2448 static int wpa_supplicant_ctrl_iface_scan_result(
2449         struct wpa_supplicant *wpa_s,
2450         const struct wpa_bss *bss, char *buf, size_t buflen)
2451 {
2452         char *pos, *end;
2453         int ret;
2454         const u8 *ie, *ie2, *osen_ie, *p2p, *mesh;
2455
2456         mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
2457         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2458         if (!p2p)
2459                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2460         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2461             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2462             0)
2463                 return 0; /* Do not show P2P listen discovery results here */
2464
2465         pos = buf;
2466         end = buf + buflen;
2467
2468         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2469                           MAC2STR(bss->bssid), bss->freq, bss->level);
2470         if (os_snprintf_error(end - pos, ret))
2471                 return -1;
2472         pos += ret;
2473         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2474         if (ie)
2475                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2476         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2477         if (ie2) {
2478                 pos = wpa_supplicant_ie_txt(pos, end, mesh ? "RSN" : "WPA2",
2479                                             ie2, 2 + ie2[1]);
2480         }
2481         osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
2482         if (osen_ie)
2483                 pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
2484                                             osen_ie, 2 + osen_ie[1]);
2485         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2486         if (!ie && !ie2 && !osen_ie && (bss->caps & IEEE80211_CAP_PRIVACY)) {
2487                 ret = os_snprintf(pos, end - pos, "[WEP]");
2488                 if (os_snprintf_error(end - pos, ret))
2489                         return -1;
2490                 pos += ret;
2491         }
2492         if (mesh) {
2493                 ret = os_snprintf(pos, end - pos, "[MESH]");
2494                 if (os_snprintf_error(end - pos, ret))
2495                         return -1;
2496                 pos += ret;
2497         }
2498         if (bss_is_dmg(bss)) {
2499                 const char *s;
2500                 ret = os_snprintf(pos, end - pos, "[DMG]");
2501                 if (os_snprintf_error(end - pos, ret))
2502                         return -1;
2503                 pos += ret;
2504                 switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
2505                 case IEEE80211_CAP_DMG_IBSS:
2506                         s = "[IBSS]";
2507                         break;
2508                 case IEEE80211_CAP_DMG_AP:
2509                         s = "[ESS]";
2510                         break;
2511                 case IEEE80211_CAP_DMG_PBSS:
2512                         s = "[PBSS]";
2513                         break;
2514                 default:
2515                         s = "";
2516                         break;
2517                 }
2518                 ret = os_snprintf(pos, end - pos, "%s", s);
2519                 if (os_snprintf_error(end - pos, ret))
2520                         return -1;
2521                 pos += ret;
2522         } else {
2523                 if (bss->caps & IEEE80211_CAP_IBSS) {
2524                         ret = os_snprintf(pos, end - pos, "[IBSS]");
2525                         if (os_snprintf_error(end - pos, ret))
2526                                 return -1;
2527                         pos += ret;
2528                 }
2529                 if (bss->caps & IEEE80211_CAP_ESS) {
2530                         ret = os_snprintf(pos, end - pos, "[ESS]");
2531                         if (os_snprintf_error(end - pos, ret))
2532                                 return -1;
2533                         pos += ret;
2534                 }
2535         }
2536         if (p2p) {
2537                 ret = os_snprintf(pos, end - pos, "[P2P]");
2538                 if (os_snprintf_error(end - pos, ret))
2539                         return -1;
2540                 pos += ret;
2541         }
2542 #ifdef CONFIG_HS20
2543         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2544                 ret = os_snprintf(pos, end - pos, "[HS20]");
2545                 if (os_snprintf_error(end - pos, ret))
2546                         return -1;
2547                 pos += ret;
2548         }
2549 #endif /* CONFIG_HS20 */
2550 #ifdef CONFIG_FST
2551         if (wpa_bss_get_ie(bss, WLAN_EID_MULTI_BAND)) {
2552                 ret = os_snprintf(pos, end - pos, "[FST]");
2553                 if (os_snprintf_error(end - pos, ret))
2554                         return -1;
2555                 pos += ret;
2556         }
2557 #endif /* CONFIG_FST */
2558
2559         ret = os_snprintf(pos, end - pos, "\t%s",
2560                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2561         if (os_snprintf_error(end - pos, ret))
2562                 return -1;
2563         pos += ret;
2564
2565         ret = os_snprintf(pos, end - pos, "\n");
2566         if (os_snprintf_error(end - pos, ret))
2567                 return -1;
2568         pos += ret;
2569
2570         return pos - buf;
2571 }
2572
2573
2574 static int wpa_supplicant_ctrl_iface_scan_results(
2575         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2576 {
2577         char *pos, *end;
2578         struct wpa_bss *bss;
2579         int ret;
2580
2581         pos = buf;
2582         end = buf + buflen;
2583         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2584                           "flags / ssid\n");
2585         if (os_snprintf_error(end - pos, ret))
2586                 return pos - buf;
2587         pos += ret;
2588
2589         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2590                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2591                                                             end - pos);
2592                 if (ret < 0 || ret >= end - pos)
2593                         return pos - buf;
2594                 pos += ret;
2595         }
2596
2597         return pos - buf;
2598 }
2599
2600
2601 #ifdef CONFIG_MESH
2602
2603 static int wpa_supplicant_ctrl_iface_mesh_interface_add(
2604         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
2605 {
2606         char *pos, ifname[IFNAMSIZ + 1];
2607
2608         ifname[0] = '\0';
2609
2610         pos = os_strstr(cmd, "ifname=");
2611         if (pos) {
2612                 pos += 7;
2613                 os_strlcpy(ifname, pos, sizeof(ifname));
2614         }
2615
2616         if (wpas_mesh_add_interface(wpa_s, ifname, sizeof(ifname)) < 0)
2617                 return -1;
2618
2619         os_strlcpy(reply, ifname, max_len);
2620         return os_strlen(ifname);
2621 }
2622
2623
2624 static int wpa_supplicant_ctrl_iface_mesh_group_add(
2625         struct wpa_supplicant *wpa_s, char *cmd)
2626 {
2627         int id;
2628         struct wpa_ssid *ssid;
2629
2630         id = atoi(cmd);
2631         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_ADD id=%d", id);
2632
2633         ssid = wpa_config_get_network(wpa_s->conf, id);
2634         if (ssid == NULL) {
2635                 wpa_printf(MSG_DEBUG,
2636                            "CTRL_IFACE: Could not find network id=%d", id);
2637                 return -1;
2638         }
2639         if (ssid->mode != WPAS_MODE_MESH) {
2640                 wpa_printf(MSG_DEBUG,
2641                            "CTRL_IFACE: Cannot use MESH_GROUP_ADD on a non mesh network");
2642                 return -1;
2643         }
2644         if (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
2645             ssid->key_mgmt != WPA_KEY_MGMT_SAE) {
2646                 wpa_printf(MSG_ERROR,
2647                            "CTRL_IFACE: key_mgmt for mesh network should be open or SAE");
2648                 return -1;
2649         }
2650
2651         /*
2652          * TODO: If necessary write our own group_add function,
2653          * for now we can reuse select_network
2654          */
2655         wpa_supplicant_select_network(wpa_s, ssid);
2656
2657         return 0;
2658 }
2659
2660
2661 static int wpa_supplicant_ctrl_iface_mesh_group_remove(
2662         struct wpa_supplicant *wpa_s, char *cmd)
2663 {
2664         struct wpa_supplicant *orig;
2665         struct wpa_global *global;
2666         int found = 0;
2667
2668         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s", cmd);
2669
2670         global = wpa_s->global;
2671         orig = wpa_s;
2672
2673         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2674                 if (os_strcmp(wpa_s->ifname, cmd) == 0) {
2675                         found = 1;
2676                         break;
2677                 }
2678         }
2679         if (!found) {
2680                 wpa_printf(MSG_ERROR,
2681                            "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s not found",
2682                            cmd);
2683                 return -1;
2684         }
2685         if (wpa_s->mesh_if_created && wpa_s == orig) {
2686                 wpa_printf(MSG_ERROR,
2687                            "CTRL_IFACE: MESH_GROUP_REMOVE can't remove itself");
2688                 return -1;
2689         }
2690
2691         wpa_s->reassociate = 0;
2692         wpa_s->disconnected = 1;
2693         wpa_supplicant_cancel_sched_scan(wpa_s);
2694         wpa_supplicant_cancel_scan(wpa_s);
2695
2696         /*
2697          * TODO: If necessary write our own group_remove function,
2698          * for now we can reuse deauthenticate
2699          */
2700         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2701
2702         if (wpa_s->mesh_if_created)
2703                 wpa_supplicant_remove_iface(global, wpa_s, 0);
2704
2705         return 0;
2706 }
2707
2708 #endif /* CONFIG_MESH */
2709
2710
2711 static int wpa_supplicant_ctrl_iface_select_network(
2712         struct wpa_supplicant *wpa_s, char *cmd)
2713 {
2714         int id;
2715         struct wpa_ssid *ssid;
2716         char *pos;
2717
2718         /* cmd: "<network id>" or "any" */
2719         if (os_strncmp(cmd, "any", 3) == 0) {
2720                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2721                 ssid = NULL;
2722         } else {
2723                 id = atoi(cmd);
2724                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2725
2726                 ssid = wpa_config_get_network(wpa_s->conf, id);
2727                 if (ssid == NULL) {
2728                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2729                                    "network id=%d", id);
2730                         return -1;
2731                 }
2732                 if (ssid->disabled == 2) {
2733                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2734                                    "SELECT_NETWORK with persistent P2P group");
2735                         return -1;
2736                 }
2737         }
2738
2739         pos = os_strstr(cmd, " freq=");
2740         if (pos) {
2741                 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2742                 if (freqs) {
2743                         wpa_s->scan_req = MANUAL_SCAN_REQ;
2744                         os_free(wpa_s->manual_scan_freqs);
2745                         wpa_s->manual_scan_freqs = freqs;
2746                 }
2747         }
2748
2749         wpa_s->scan_min_time.sec = 0;
2750         wpa_s->scan_min_time.usec = 0;
2751         wpa_supplicant_select_network(wpa_s, ssid);
2752
2753         return 0;
2754 }
2755
2756
2757 static int wpa_supplicant_ctrl_iface_enable_network(
2758         struct wpa_supplicant *wpa_s, char *cmd)
2759 {
2760         int id;
2761         struct wpa_ssid *ssid;
2762
2763         /* cmd: "<network id>" or "all" */
2764         if (os_strcmp(cmd, "all") == 0) {
2765                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2766                 ssid = NULL;
2767         } else {
2768                 id = atoi(cmd);
2769                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2770
2771                 ssid = wpa_config_get_network(wpa_s->conf, id);
2772                 if (ssid == NULL) {
2773                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2774                                    "network id=%d", id);
2775                         return -1;
2776                 }
2777                 if (ssid->disabled == 2) {
2778                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2779                                    "ENABLE_NETWORK with persistent P2P group");
2780                         return -1;
2781                 }
2782
2783                 if (os_strstr(cmd, " no-connect")) {
2784                         ssid->disabled = 0;
2785                         return 0;
2786                 }
2787         }
2788         wpa_s->scan_min_time.sec = 0;
2789         wpa_s->scan_min_time.usec = 0;
2790         wpa_supplicant_enable_network(wpa_s, ssid);
2791
2792         return 0;
2793 }
2794
2795
2796 static int wpa_supplicant_ctrl_iface_disable_network(
2797         struct wpa_supplicant *wpa_s, char *cmd)
2798 {
2799         int id;
2800         struct wpa_ssid *ssid;
2801
2802         /* cmd: "<network id>" or "all" */
2803         if (os_strcmp(cmd, "all") == 0) {
2804                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2805                 ssid = NULL;
2806         } else {
2807                 id = atoi(cmd);
2808                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2809
2810                 ssid = wpa_config_get_network(wpa_s->conf, id);
2811                 if (ssid == NULL) {
2812                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2813                                    "network id=%d", id);
2814                         return -1;
2815                 }
2816                 if (ssid->disabled == 2) {
2817                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2818                                    "DISABLE_NETWORK with persistent P2P "
2819                                    "group");
2820                         return -1;
2821                 }
2822         }
2823         wpa_supplicant_disable_network(wpa_s, ssid);
2824
2825         return 0;
2826 }
2827
2828
2829 static int wpa_supplicant_ctrl_iface_add_network(
2830         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2831 {
2832         struct wpa_ssid *ssid;
2833         int ret;
2834
2835         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2836
2837         ssid = wpa_config_add_network(wpa_s->conf);
2838         if (ssid == NULL)
2839                 return -1;
2840
2841         wpas_notify_network_added(wpa_s, ssid);
2842
2843         ssid->disabled = 1;
2844         wpa_config_set_network_defaults(ssid);
2845
2846         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2847         if (os_snprintf_error(buflen, ret))
2848                 return -1;
2849         return ret;
2850 }
2851
2852
2853 static int wpa_supplicant_ctrl_iface_remove_network(
2854         struct wpa_supplicant *wpa_s, char *cmd)
2855 {
2856         int id;
2857         struct wpa_ssid *ssid;
2858         int was_disabled;
2859
2860         /* cmd: "<network id>" or "all" */
2861         if (os_strcmp(cmd, "all") == 0) {
2862                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2863                 if (wpa_s->sched_scanning)
2864                         wpa_supplicant_cancel_sched_scan(wpa_s);
2865
2866                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2867                 if (wpa_s->current_ssid) {
2868 #ifdef CONFIG_SME
2869                         wpa_s->sme.prev_bssid_set = 0;
2870 #endif /* CONFIG_SME */
2871                         wpa_sm_set_config(wpa_s->wpa, NULL);
2872                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2873                         if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2874                                 wpa_s->own_disconnect_req = 1;
2875                         wpa_supplicant_deauthenticate(
2876                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2877                 }
2878                 ssid = wpa_s->conf->ssid;
2879                 while (ssid) {
2880                         struct wpa_ssid *remove_ssid = ssid;
2881                         id = ssid->id;
2882                         ssid = ssid->next;
2883                         if (wpa_s->last_ssid == remove_ssid)
2884                                 wpa_s->last_ssid = NULL;
2885                         wpas_notify_network_removed(wpa_s, remove_ssid);
2886                         wpa_config_remove_network(wpa_s->conf, id);
2887                 }
2888                 return 0;
2889         }
2890
2891         id = atoi(cmd);
2892         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2893
2894         ssid = wpa_config_get_network(wpa_s->conf, id);
2895         if (ssid)
2896                 wpas_notify_network_removed(wpa_s, ssid);
2897         if (ssid == NULL) {
2898                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2899                            "id=%d", id);
2900                 return -1;
2901         }
2902
2903         if (wpa_s->last_ssid == ssid)
2904                 wpa_s->last_ssid = NULL;
2905
2906         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2907 #ifdef CONFIG_SME
2908                 wpa_s->sme.prev_bssid_set = 0;
2909 #endif /* CONFIG_SME */
2910                 /*
2911                  * Invalidate the EAP session cache if the current or
2912                  * previously used network is removed.
2913                  */
2914                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2915         }
2916
2917         if (ssid == wpa_s->current_ssid) {
2918                 wpa_sm_set_config(wpa_s->wpa, NULL);
2919                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2920
2921                 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2922                         wpa_s->own_disconnect_req = 1;
2923                 wpa_supplicant_deauthenticate(wpa_s,
2924                                               WLAN_REASON_DEAUTH_LEAVING);
2925         }
2926
2927         was_disabled = ssid->disabled;
2928
2929         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2930                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2931                            "network id=%d", id);
2932                 return -1;
2933         }
2934
2935         if (!was_disabled && wpa_s->sched_scanning) {
2936                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2937                            "network from filters");
2938                 wpa_supplicant_cancel_sched_scan(wpa_s);
2939                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2940         }
2941
2942         return 0;
2943 }
2944
2945
2946 static int wpa_supplicant_ctrl_iface_update_network(
2947         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
2948         char *name, char *value)
2949 {
2950         if (wpa_config_set(ssid, name, value, 0) < 0) {
2951                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2952                            "variable '%s'", name);
2953                 return -1;
2954         }
2955
2956         if (os_strcmp(name, "bssid") != 0 &&
2957             os_strcmp(name, "priority") != 0)
2958                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2959
2960         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2961                 /*
2962                  * Invalidate the EAP session cache if anything in the current
2963                  * or previously used configuration changes.
2964                  */
2965                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2966         }
2967
2968         if ((os_strcmp(name, "psk") == 0 &&
2969              value[0] == '"' && ssid->ssid_len) ||
2970             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2971                 wpa_config_update_psk(ssid);
2972         else if (os_strcmp(name, "priority") == 0)
2973                 wpa_config_update_prio_list(wpa_s->conf);
2974
2975         return 0;
2976 }
2977
2978
2979 static int wpa_supplicant_ctrl_iface_set_network(
2980         struct wpa_supplicant *wpa_s, char *cmd)
2981 {
2982         int id, ret, prev_bssid_set, prev_disabled;
2983         struct wpa_ssid *ssid;
2984         char *name, *value;
2985         u8 prev_bssid[ETH_ALEN];
2986
2987         /* cmd: "<network id> <variable name> <value>" */
2988         name = os_strchr(cmd, ' ');
2989         if (name == NULL)
2990                 return -1;
2991         *name++ = '\0';
2992
2993         value = os_strchr(name, ' ');
2994         if (value == NULL)
2995                 return -1;
2996         *value++ = '\0';
2997
2998         id = atoi(cmd);
2999         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
3000                    id, name);
3001         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3002                               (u8 *) value, os_strlen(value));
3003
3004         ssid = wpa_config_get_network(wpa_s->conf, id);
3005         if (ssid == NULL) {
3006                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3007                            "id=%d", id);
3008                 return -1;
3009         }
3010
3011         prev_bssid_set = ssid->bssid_set;
3012         prev_disabled = ssid->disabled;
3013         os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
3014         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
3015                                                        value);
3016         if (ret == 0 &&
3017             (ssid->bssid_set != prev_bssid_set ||
3018              os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
3019                 wpas_notify_network_bssid_set_changed(wpa_s, ssid);
3020
3021         if (prev_disabled != ssid->disabled &&
3022             (prev_disabled == 2 || ssid->disabled == 2))
3023                 wpas_notify_network_type_changed(wpa_s, ssid);
3024
3025         return ret;
3026 }
3027
3028
3029 static int wpa_supplicant_ctrl_iface_get_network(
3030         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
3031 {
3032         int id;
3033         size_t res;
3034         struct wpa_ssid *ssid;
3035         char *name, *value;
3036
3037         /* cmd: "<network id> <variable name>" */
3038         name = os_strchr(cmd, ' ');
3039         if (name == NULL || buflen == 0)
3040                 return -1;
3041         *name++ = '\0';
3042
3043         id = atoi(cmd);
3044         wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
3045                    id, name);
3046
3047         ssid = wpa_config_get_network(wpa_s->conf, id);
3048         if (ssid == NULL) {
3049                 wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: Could not find network "
3050                            "id=%d", id);
3051                 return -1;
3052         }
3053
3054         value = wpa_config_get_no_key(ssid, name);
3055         if (value == NULL) {
3056                 wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: Failed to get network "
3057                            "variable '%s'", name);
3058                 return -1;
3059         }
3060
3061         res = os_strlcpy(buf, value, buflen);
3062         if (res >= buflen) {
3063                 os_free(value);
3064                 return -1;
3065         }
3066
3067         os_free(value);
3068
3069         return res;
3070 }
3071
3072
3073 static int wpa_supplicant_ctrl_iface_dup_network(
3074         struct wpa_supplicant *wpa_s, char *cmd,
3075         struct wpa_supplicant *dst_wpa_s)
3076 {
3077         struct wpa_ssid *ssid_s, *ssid_d;
3078         char *name, *id, *value;
3079         int id_s, id_d, ret;
3080
3081         /* cmd: "<src network id> <dst network id> <variable name>" */
3082         id = os_strchr(cmd, ' ');
3083         if (id == NULL)
3084                 return -1;
3085         *id++ = '\0';
3086
3087         name = os_strchr(id, ' ');
3088         if (name == NULL)
3089                 return -1;
3090         *name++ = '\0';
3091
3092         id_s = atoi(cmd);
3093         id_d = atoi(id);
3094
3095         wpa_printf(MSG_DEBUG,
3096                    "CTRL_IFACE: DUP_NETWORK ifname=%s->%s id=%d->%d name='%s'",
3097                    wpa_s->ifname, dst_wpa_s->ifname, id_s, id_d, name);
3098
3099         ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
3100         if (ssid_s == NULL) {
3101                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3102                            "network id=%d", id_s);
3103                 return -1;
3104         }
3105
3106         ssid_d = wpa_config_get_network(dst_wpa_s->conf, id_d);
3107         if (ssid_d == NULL) {
3108                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3109                            "network id=%d", id_d);
3110                 return -1;
3111         }
3112
3113         value = wpa_config_get(ssid_s, name);
3114         if (value == NULL) {
3115                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3116                            "variable '%s'", name);
3117                 return -1;
3118         }
3119
3120         ret = wpa_supplicant_ctrl_iface_update_network(dst_wpa_s, ssid_d, name,
3121                                                        value);
3122
3123         os_free(value);
3124
3125         return ret;
3126 }
3127
3128
3129 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
3130                                                 char *buf, size_t buflen)
3131 {
3132         char *pos, *end;
3133         struct wpa_cred *cred;
3134         int ret;
3135
3136         pos = buf;
3137         end = buf + buflen;
3138         ret = os_snprintf(pos, end - pos,
3139                           "cred id / realm / username / domain / imsi\n");
3140         if (os_snprintf_error(end - pos, ret))
3141                 return pos - buf;
3142         pos += ret;
3143
3144         cred = wpa_s->conf->cred;
3145         while (cred) {
3146                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
3147                                   cred->id, cred->realm ? cred->realm : "",
3148                                   cred->username ? cred->username : "",
3149                                   cred->domain ? cred->domain[0] : "",
3150                                   cred->imsi ? cred->imsi : "");
3151                 if (os_snprintf_error(end - pos, ret))
3152                         return pos - buf;
3153                 pos += ret;
3154
3155                 cred = cred->next;
3156         }
3157
3158         return pos - buf;
3159 }
3160
3161
3162 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
3163                                               char *buf, size_t buflen)
3164 {
3165         struct wpa_cred *cred;
3166         int ret;
3167
3168         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
3169
3170         cred = wpa_config_add_cred(wpa_s->conf);
3171         if (cred == NULL)
3172                 return -1;
3173
3174         wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
3175
3176         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
3177         if (os_snprintf_error(buflen, ret))
3178                 return -1;
3179         return ret;
3180 }
3181
3182
3183 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
3184                                  struct wpa_cred *cred)
3185 {
3186         struct wpa_ssid *ssid;
3187         char str[20];
3188         int id;
3189
3190         if (cred == NULL) {
3191                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3192                 return -1;
3193         }
3194
3195         id = cred->id;
3196         if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
3197                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3198                 return -1;
3199         }
3200
3201         wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
3202
3203         /* Remove any network entry created based on the removed credential */
3204         ssid = wpa_s->conf->ssid;
3205         while (ssid) {
3206                 if (ssid->parent_cred == cred) {
3207                         int res;
3208
3209                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
3210                                    "used the removed credential", ssid->id);
3211                         res = os_snprintf(str, sizeof(str), "%d", ssid->id);
3212                         if (os_snprintf_error(sizeof(str), res))
3213                                 str[sizeof(str) - 1] = '\0';
3214                         ssid = ssid->next;
3215                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
3216                 } else
3217                         ssid = ssid->next;
3218         }
3219
3220         return 0;
3221 }
3222
3223
3224 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
3225                                                  char *cmd)
3226 {
3227         int id;
3228         struct wpa_cred *cred, *prev;
3229
3230         /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
3231          * "provisioning_sp=<FQDN> */
3232         if (os_strcmp(cmd, "all") == 0) {
3233                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
3234                 cred = wpa_s->conf->cred;
3235                 while (cred) {
3236                         prev = cred;
3237                         cred = cred->next;
3238                         wpas_ctrl_remove_cred(wpa_s, prev);
3239                 }
3240                 return 0;
3241         }
3242
3243         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
3244                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
3245                            cmd + 8);
3246                 cred = wpa_s->conf->cred;
3247                 while (cred) {
3248                         prev = cred;
3249                         cred = cred->next;
3250                         if (prev->domain) {
3251                                 size_t i;
3252                                 for (i = 0; i < prev->num_domain; i++) {
3253                                         if (os_strcmp(prev->domain[i], cmd + 8)
3254                                             != 0)
3255                                                 continue;
3256                                         wpas_ctrl_remove_cred(wpa_s, prev);
3257                                         break;
3258                                 }
3259                         }
3260                 }
3261                 return 0;
3262         }
3263
3264         if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
3265                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
3266                            cmd + 16);
3267                 cred = wpa_s->conf->cred;
3268                 while (cred) {
3269                         prev = cred;
3270                         cred = cred->next;
3271                         if (prev->provisioning_sp &&
3272                             os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
3273                                 wpas_ctrl_remove_cred(wpa_s, prev);
3274                 }
3275                 return 0;
3276         }
3277
3278         id = atoi(cmd);
3279         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
3280
3281         cred = wpa_config_get_cred(wpa_s->conf, id);
3282         return wpas_ctrl_remove_cred(wpa_s, cred);
3283 }
3284
3285
3286 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
3287                                               char *cmd)
3288 {
3289         int id;
3290         struct wpa_cred *cred;
3291         char *name, *value;
3292
3293         /* cmd: "<cred id> <variable name> <value>" */
3294         name = os_strchr(cmd, ' ');
3295         if (name == NULL)
3296                 return -1;
3297         *name++ = '\0';
3298
3299         value = os_strchr(name, ' ');
3300         if (value == NULL)
3301                 return -1;
3302         *value++ = '\0';
3303
3304         id = atoi(cmd);
3305         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
3306                    id, name);
3307         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3308                               (u8 *) value, os_strlen(value));
3309
3310         cred = wpa_config_get_cred(wpa_s->conf, id);
3311         if (cred == NULL) {
3312                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3313                            id);
3314                 return -1;
3315         }
3316
3317         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
3318                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
3319                            "variable '%s'", name);
3320                 return -1;
3321         }
3322
3323         wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
3324
3325         return 0;
3326 }
3327
3328
3329 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
3330                                               char *cmd, char *buf,
3331                                               size_t buflen)
3332 {
3333         int id;
3334         size_t res;
3335         struct wpa_cred *cred;
3336         char *name, *value;
3337
3338         /* cmd: "<cred id> <variable name>" */
3339         name = os_strchr(cmd, ' ');
3340         if (name == NULL)
3341                 return -1;
3342         *name++ = '\0';
3343
3344         id = atoi(cmd);
3345         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
3346                    id, name);
3347
3348         cred = wpa_config_get_cred(wpa_s->conf, id);
3349         if (cred == NULL) {
3350                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3351                            id);
3352                 return -1;
3353         }
3354
3355         value = wpa_config_get_cred_no_key(cred, name);
3356         if (value == NULL) {
3357                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
3358                            name);
3359                 return -1;
3360         }
3361
3362         res = os_strlcpy(buf, value, buflen);
3363         if (res >= buflen) {
3364                 os_free(value);
3365                 return -1;
3366         }
3367
3368         os_free(value);
3369
3370         return res;
3371 }
3372
3373
3374 #ifndef CONFIG_NO_CONFIG_WRITE
3375 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3376 {
3377         int ret;
3378
3379         if (!wpa_s->conf->update_config) {
3380                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3381                            "to update configuration (update_config=0)");
3382                 return -1;
3383         }
3384
3385         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3386         if (ret) {
3387                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3388                            "update configuration");
3389         } else {
3390                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3391                            " updated");
3392         }
3393
3394         return ret;
3395 }
3396 #endif /* CONFIG_NO_CONFIG_WRITE */
3397
3398
3399 struct cipher_info {
3400         unsigned int capa;
3401         const char *name;
3402         int group_only;
3403 };
3404
3405 static const struct cipher_info ciphers[] = {
3406         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3407         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3408         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3409         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3410         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3411         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3412         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3413         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3414 };
3415
3416 static const struct cipher_info ciphers_group_mgmt[] = {
3417         { WPA_DRIVER_CAPA_ENC_BIP, "AES-128-CMAC", 1 },
3418         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_128, "BIP-GMAC-128", 1 },
3419         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_256, "BIP-GMAC-256", 1 },
3420         { WPA_DRIVER_CAPA_ENC_BIP_CMAC_256, "BIP-CMAC-256", 1 },
3421 };
3422
3423
3424 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3425                                               struct wpa_driver_capa *capa,
3426                                               char *buf, size_t buflen)
3427 {
3428         int ret;
3429         char *pos, *end;
3430         size_t len;
3431         unsigned int i;
3432
3433         pos = buf;
3434         end = pos + buflen;
3435
3436         if (res < 0) {
3437                 if (strict)
3438                         return 0;
3439                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3440                 if (len >= buflen)
3441                         return -1;
3442                 return len;
3443         }
3444
3445         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3446                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3447                         ret = os_snprintf(pos, end - pos, "%s%s",
3448                                           pos == buf ? "" : " ",
3449                                           ciphers[i].name);
3450                         if (os_snprintf_error(end - pos, ret))
3451                                 return pos - buf;
3452                         pos += ret;
3453                 }
3454         }
3455
3456         return pos - buf;
3457 }
3458
3459
3460 static int ctrl_iface_get_capability_group(int res, char *strict,
3461                                            struct wpa_driver_capa *capa,
3462                                            char *buf, size_t buflen)
3463 {
3464         int ret;
3465         char *pos, *end;
3466         size_t len;
3467         unsigned int i;
3468
3469         pos = buf;
3470         end = pos + buflen;
3471
3472         if (res < 0) {
3473                 if (strict)
3474                         return 0;
3475                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3476                 if (len >= buflen)
3477                         return -1;
3478                 return len;
3479         }
3480
3481         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3482                 if (capa->enc & ciphers[i].capa) {
3483                         ret = os_snprintf(pos, end - pos, "%s%s",
3484                                           pos == buf ? "" : " ",
3485                                           ciphers[i].name);
3486                         if (os_snprintf_error(end - pos, ret))
3487                                 return pos - buf;
3488                         pos += ret;
3489                 }
3490         }
3491
3492         return pos - buf;
3493 }
3494
3495
3496 static int ctrl_iface_get_capability_group_mgmt(int res, char *strict,
3497                                                 struct wpa_driver_capa *capa,
3498                                                 char *buf, size_t buflen)
3499 {
3500         int ret;
3501         char *pos, *end;
3502         unsigned int i;
3503
3504         pos = buf;
3505         end = pos + buflen;
3506
3507         if (res < 0)
3508                 return 0;
3509
3510         for (i = 0; i < ARRAY_SIZE(ciphers_group_mgmt); i++) {
3511                 if (capa->enc & ciphers_group_mgmt[i].capa) {
3512                         ret = os_snprintf(pos, end - pos, "%s%s",
3513                                           pos == buf ? "" : " ",
3514                                           ciphers_group_mgmt[i].name);
3515                         if (os_snprintf_error(end - pos, ret))
3516                                 return pos - buf;
3517                         pos += ret;
3518                 }
3519         }
3520
3521         return pos - buf;
3522 }
3523
3524
3525 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3526                                               struct wpa_driver_capa *capa,
3527                                               char *buf, size_t buflen)
3528 {
3529         int ret;
3530         char *pos, *end;
3531         size_t len;
3532
3533         pos = buf;
3534         end = pos + buflen;
3535
3536         if (res < 0) {
3537                 if (strict)
3538                         return 0;
3539                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3540                                  "NONE", buflen);
3541                 if (len >= buflen)
3542                         return -1;
3543                 return len;
3544         }
3545
3546         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3547         if (os_snprintf_error(end - pos, ret))
3548                 return pos - buf;
3549         pos += ret;
3550
3551         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3552                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3553                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3554                 if (os_snprintf_error(end - pos, ret))
3555                         return pos - buf;
3556                 pos += ret;
3557         }
3558
3559         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3560                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3561                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3562                 if (os_snprintf_error(end - pos, ret))
3563                         return pos - buf;
3564                 pos += ret;
3565         }
3566
3567         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3568                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3569                 if (os_snprintf_error(end - pos, ret))
3570                         return pos - buf;
3571                 pos += ret;
3572         }
3573
3574 #ifdef CONFIG_SUITEB
3575         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B) {
3576                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B");
3577                 if (os_snprintf_error(end - pos, ret))
3578                         return pos - buf;
3579                 pos += ret;
3580         }
3581 #endif /* CONFIG_SUITEB */
3582 #ifdef CONFIG_SUITEB192
3583         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192) {
3584                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B-192");
3585                 if (os_snprintf_error(end - pos, ret))
3586                         return pos - buf;
3587                 pos += ret;
3588         }
3589 #endif /* CONFIG_SUITEB192 */
3590
3591         return pos - buf;
3592 }
3593
3594
3595 static int ctrl_iface_get_capability_proto(int res, char *strict,
3596                                            struct wpa_driver_capa *capa,
3597                                            char *buf, size_t buflen)
3598 {
3599         int ret;
3600         char *pos, *end;
3601         size_t len;
3602
3603         pos = buf;
3604         end = pos + buflen;
3605
3606         if (res < 0) {
3607                 if (strict)
3608                         return 0;
3609                 len = os_strlcpy(buf, "RSN WPA", buflen);
3610                 if (len >= buflen)
3611                         return -1;
3612                 return len;
3613         }
3614
3615         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3616                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3617                 ret = os_snprintf(pos, end - pos, "%sRSN",
3618                                   pos == buf ? "" : " ");
3619                 if (os_snprintf_error(end - pos, ret))
3620                         return pos - buf;
3621                 pos += ret;
3622         }
3623
3624         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3625                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3626                 ret = os_snprintf(pos, end - pos, "%sWPA",
3627                                   pos == buf ? "" : " ");
3628                 if (os_snprintf_error(end - pos, ret))
3629                         return pos - buf;
3630                 pos += ret;
3631         }
3632
3633         return pos - buf;
3634 }
3635
3636
3637 static int ctrl_iface_get_capability_auth_alg(struct wpa_supplicant *wpa_s,
3638                                               int res, char *strict,
3639                                               struct wpa_driver_capa *capa,
3640                                               char *buf, size_t buflen)
3641 {
3642         int ret;
3643         char *pos, *end;
3644         size_t len;
3645
3646         pos = buf;
3647         end = pos + buflen;
3648
3649         if (res < 0) {
3650                 if (strict)
3651                         return 0;
3652                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3653                 if (len >= buflen)
3654                         return -1;
3655                 return len;
3656         }
3657
3658         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3659                 ret = os_snprintf(pos, end - pos, "%sOPEN",
3660                                   pos == buf ? "" : " ");
3661                 if (os_snprintf_error(end - pos, ret))
3662                         return pos - buf;
3663                 pos += ret;
3664         }
3665
3666         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3667                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3668                                   pos == buf ? "" : " ");
3669                 if (os_snprintf_error(end - pos, ret))
3670                         return pos - buf;
3671                 pos += ret;
3672         }
3673
3674         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3675                 ret = os_snprintf(pos, end - pos, "%sLEAP",
3676                                   pos == buf ? "" : " ");
3677                 if (os_snprintf_error(end - pos, ret))
3678                         return pos - buf;
3679                 pos += ret;
3680         }
3681
3682 #ifdef CONFIG_SAE
3683         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE) {
3684                 ret = os_snprintf(pos, end - pos, "%sSAE",
3685                                   pos == buf ? "" : " ");
3686                 if (os_snprintf_error(end - pos, ret))
3687                         return pos - buf;
3688                 pos += ret;
3689         }
3690 #endif /* CONFIG_SAE */
3691
3692         return pos - buf;
3693 }
3694
3695
3696 static int ctrl_iface_get_capability_modes(int res, char *strict,
3697                                            struct wpa_driver_capa *capa,
3698                                            char *buf, size_t buflen)
3699 {
3700         int ret;
3701         char *pos, *end;
3702         size_t len;
3703
3704         pos = buf;
3705         end = pos + buflen;
3706
3707         if (res < 0) {
3708                 if (strict)
3709                         return 0;
3710                 len = os_strlcpy(buf, "IBSS AP", buflen);
3711                 if (len >= buflen)
3712                         return -1;
3713                 return len;
3714         }
3715
3716         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3717                 ret = os_snprintf(pos, end - pos, "%sIBSS",
3718                                   pos == buf ? "" : " ");
3719                 if (os_snprintf_error(end - pos, ret))
3720                         return pos - buf;
3721                 pos += ret;
3722         }
3723
3724         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3725                 ret = os_snprintf(pos, end - pos, "%sAP",
3726                                   pos == buf ? "" : " ");
3727                 if (os_snprintf_error(end - pos, ret))
3728                         return pos - buf;
3729                 pos += ret;
3730         }
3731
3732 #ifdef CONFIG_MESH
3733         if (capa->flags & WPA_DRIVER_FLAGS_MESH) {
3734                 ret = os_snprintf(pos, end - pos, "%sMESH",
3735                                   pos == buf ? "" : " ");
3736                 if (os_snprintf_error(end - pos, ret))
3737                         return pos - buf;
3738                 pos += ret;
3739         }
3740 #endif /* CONFIG_MESH */
3741
3742         return pos - buf;
3743 }
3744
3745
3746 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3747                                               char *buf, size_t buflen)
3748 {
3749         struct hostapd_channel_data *chnl;
3750         int ret, i, j;
3751         char *pos, *end, *hmode;
3752
3753         pos = buf;
3754         end = pos + buflen;
3755
3756         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3757                 switch (wpa_s->hw.modes[j].mode) {
3758                 case HOSTAPD_MODE_IEEE80211B:
3759                         hmode = "B";
3760                         break;
3761                 case HOSTAPD_MODE_IEEE80211G:
3762                         hmode = "G";
3763                         break;
3764                 case HOSTAPD_MODE_IEEE80211A:
3765                         hmode = "A";
3766                         break;
3767                 case HOSTAPD_MODE_IEEE80211AD:
3768                         hmode = "AD";
3769                         break;
3770                 default:
3771                         continue;
3772                 }
3773                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3774                 if (os_snprintf_error(end - pos, ret))
3775                         return pos - buf;
3776                 pos += ret;
3777                 chnl = wpa_s->hw.modes[j].channels;
3778                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3779                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3780                                 continue;
3781                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3782                         if (os_snprintf_error(end - pos, ret))
3783                                 return pos - buf;
3784                         pos += ret;
3785                 }
3786                 ret = os_snprintf(pos, end - pos, "\n");
3787                 if (os_snprintf_error(end - pos, ret))
3788                         return pos - buf;
3789                 pos += ret;
3790         }
3791
3792         return pos - buf;
3793 }
3794
3795
3796 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3797                                           char *buf, size_t buflen)
3798 {
3799         struct hostapd_channel_data *chnl;
3800         int ret, i, j;
3801         char *pos, *end, *hmode;
3802
3803         pos = buf;
3804         end = pos + buflen;
3805
3806         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3807                 switch (wpa_s->hw.modes[j].mode) {
3808                 case HOSTAPD_MODE_IEEE80211B:
3809                         hmode = "B";
3810                         break;
3811                 case HOSTAPD_MODE_IEEE80211G:
3812                         hmode = "G";
3813                         break;
3814                 case HOSTAPD_MODE_IEEE80211A:
3815                         hmode = "A";
3816                         break;
3817                 case HOSTAPD_MODE_IEEE80211AD:
3818                         hmode = "AD";
3819                         break;
3820                 default:
3821                         continue;
3822                 }
3823                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3824                                   hmode);
3825                 if (os_snprintf_error(end - pos, ret))
3826                         return pos - buf;
3827                 pos += ret;
3828                 chnl = wpa_s->hw.modes[j].channels;
3829                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3830                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3831                                 continue;
3832                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3833                                           chnl[i].chan, chnl[i].freq,
3834                                           chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
3835                                           " (NO_IR)" : "",
3836                                           chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3837                                           " (DFS)" : "");
3838
3839                         if (os_snprintf_error(end - pos, ret))
3840                                 return pos - buf;
3841                         pos += ret;
3842                 }
3843                 ret = os_snprintf(pos, end - pos, "\n");
3844                 if (os_snprintf_error(end - pos, ret))
3845                         return pos - buf;
3846                 pos += ret;
3847         }
3848
3849         return pos - buf;
3850 }
3851
3852
3853 static int wpa_supplicant_ctrl_iface_get_capability(
3854         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3855         size_t buflen)
3856 {
3857         struct wpa_driver_capa capa;
3858         int res;
3859         char *strict;
3860         char field[30];
3861         size_t len;
3862
3863         /* Determine whether or not strict checking was requested */
3864         len = os_strlcpy(field, _field, sizeof(field));
3865         if (len >= sizeof(field))
3866                 return -1;
3867         strict = os_strchr(field, ' ');
3868         if (strict != NULL) {
3869                 *strict++ = '\0';
3870                 if (os_strcmp(strict, "strict") != 0)
3871                         return -1;
3872         }
3873
3874         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3875                 field, strict ? strict : "");
3876
3877         if (os_strcmp(field, "eap") == 0) {
3878                 return eap_get_names(buf, buflen);
3879         }
3880
3881         res = wpa_drv_get_capa(wpa_s, &capa);
3882
3883         if (os_strcmp(field, "pairwise") == 0)
3884                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3885                                                           buf, buflen);
3886
3887         if (os_strcmp(field, "group") == 0)
3888                 return ctrl_iface_get_capability_group(res, strict, &capa,
3889                                                        buf, buflen);
3890
3891         if (os_strcmp(field, "group_mgmt") == 0)
3892                 return ctrl_iface_get_capability_group_mgmt(res, strict, &capa,
3893                                                             buf, buflen);
3894
3895         if (os_strcmp(field, "key_mgmt") == 0)
3896                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3897                                                           buf, buflen);
3898
3899         if (os_strcmp(field, "proto") == 0)
3900                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3901                                                        buf, buflen);
3902
3903         if (os_strcmp(field, "auth_alg") == 0)
3904                 return ctrl_iface_get_capability_auth_alg(wpa_s, res, strict,
3905                                                           &capa, buf, buflen);
3906
3907         if (os_strcmp(field, "modes") == 0)
3908                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3909                                                        buf, buflen);
3910
3911         if (os_strcmp(field, "channels") == 0)
3912                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3913
3914         if (os_strcmp(field, "freq") == 0)
3915                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3916
3917 #ifdef CONFIG_TDLS
3918         if (os_strcmp(field, "tdls") == 0)
3919                 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3920 #endif /* CONFIG_TDLS */
3921
3922 #ifdef CONFIG_ERP
3923         if (os_strcmp(field, "erp") == 0) {
3924                 res = os_snprintf(buf, buflen, "ERP");
3925                 if (os_snprintf_error(buflen, res))
3926                         return -1;
3927                 return res;
3928         }
3929 #endif /* CONFIG_EPR */
3930
3931 #ifdef CONFIG_FIPS
3932         if (os_strcmp(field, "fips") == 0) {
3933                 res = os_snprintf(buf, buflen, "FIPS");
3934                 if (os_snprintf_error(buflen, res))
3935                         return -1;
3936                 return res;
3937         }
3938 #endif /* CONFIG_FIPS */
3939
3940         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3941                    field);
3942
3943         return -1;
3944 }
3945
3946
3947 #ifdef CONFIG_INTERWORKING
3948 static char * anqp_add_hex(char *pos, char *end, const char *title,
3949                            struct wpabuf *data)
3950 {
3951         char *start = pos;
3952         size_t i;
3953         int ret;
3954         const u8 *d;
3955
3956         if (data == NULL)
3957                 return start;
3958
3959         ret = os_snprintf(pos, end - pos, "%s=", title);
3960         if (os_snprintf_error(end - pos, ret))
3961                 return start;
3962         pos += ret;
3963
3964         d = wpabuf_head_u8(data);
3965         for (i = 0; i < wpabuf_len(data); i++) {
3966                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3967                 if (os_snprintf_error(end - pos, ret))
3968                         return start;
3969                 pos += ret;
3970         }
3971
3972         ret = os_snprintf(pos, end - pos, "\n");
3973         if (os_snprintf_error(end - pos, ret))
3974                 return start;
3975         pos += ret;
3976
3977         return pos;
3978 }
3979 #endif /* CONFIG_INTERWORKING */
3980
3981
3982 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3983                           unsigned long mask, char *buf, size_t buflen)
3984 {
3985         size_t i;
3986         int ret;
3987         char *pos, *end;
3988         const u8 *ie, *ie2, *osen_ie;
3989
3990         pos = buf;
3991         end = buf + buflen;
3992
3993         if (mask & WPA_BSS_MASK_ID) {
3994                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3995                 if (os_snprintf_error(end - pos, ret))
3996                         return 0;
3997                 pos += ret;
3998         }
3999
4000         if (mask & WPA_BSS_MASK_BSSID) {
4001                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
4002                                   MAC2STR(bss->bssid));
4003                 if (os_snprintf_error(end - pos, ret))
4004                         return 0;
4005                 pos += ret;
4006         }
4007
4008         if (mask & WPA_BSS_MASK_FREQ) {
4009                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
4010                 if (os_snprintf_error(end - pos, ret))
4011                         return 0;
4012                 pos += ret;
4013         }
4014
4015         if (mask & WPA_BSS_MASK_BEACON_INT) {
4016                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
4017                                   bss->beacon_int);
4018                 if (os_snprintf_error(end - pos, ret))
4019                         return 0;
4020                 pos += ret;
4021         }
4022
4023         if (mask & WPA_BSS_MASK_CAPABILITIES) {
4024                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
4025                                   bss->caps);
4026                 if (os_snprintf_error(end - pos, ret))
4027                         return 0;
4028                 pos += ret;
4029         }
4030
4031         if (mask & WPA_BSS_MASK_QUAL) {
4032                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
4033                 if (os_snprintf_error(end - pos, ret))
4034                         return 0;
4035                 pos += ret;
4036         }
4037
4038         if (mask & WPA_BSS_MASK_NOISE) {
4039                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
4040                 if (os_snprintf_error(end - pos, ret))
4041                         return 0;
4042                 pos += ret;
4043         }
4044
4045         if (mask & WPA_BSS_MASK_LEVEL) {
4046                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
4047                 if (os_snprintf_error(end - pos, ret))
4048                         return 0;
4049                 pos += ret;
4050         }
4051
4052         if (mask & WPA_BSS_MASK_TSF) {
4053                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
4054                                   (unsigned long long) bss->tsf);
4055                 if (os_snprintf_error(end - pos, ret))
4056                         return 0;
4057                 pos += ret;
4058         }
4059
4060         if (mask & WPA_BSS_MASK_AGE) {
4061                 struct os_reltime now;
4062
4063                 os_get_reltime(&now);
4064                 ret = os_snprintf(pos, end - pos, "age=%d\n",
4065                                   (int) (now.sec - bss->last_update.sec));
4066                 if (os_snprintf_error(end - pos, ret))
4067                         return 0;
4068                 pos += ret;
4069         }
4070
4071         if (mask & WPA_BSS_MASK_IE) {
4072                 ret = os_snprintf(pos, end - pos, "ie=");
4073                 if (os_snprintf_error(end - pos, ret))
4074                         return 0;
4075                 pos += ret;
4076
4077                 ie = (const u8 *) (bss + 1);
4078                 for (i = 0; i < bss->ie_len; i++) {
4079                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4080                         if (os_snprintf_error(end - pos, ret))
4081                                 return 0;
4082                         pos += ret;
4083                 }
4084
4085                 ret = os_snprintf(pos, end - pos, "\n");
4086                 if (os_snprintf_error(end - pos, ret))
4087                         return 0;
4088                 pos += ret;
4089         }
4090
4091         if (mask & WPA_BSS_MASK_FLAGS) {
4092                 ret = os_snprintf(pos, end - pos, "flags=");
4093                 if (os_snprintf_error(end - pos, ret))
4094                         return 0;
4095                 pos += ret;
4096
4097                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
4098                 if (ie)
4099                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
4100                                                     2 + ie[1]);
4101                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4102                 if (ie2)
4103                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
4104                                                     2 + ie2[1]);
4105                 osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
4106                 if (osen_ie)
4107                         pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
4108                                                     osen_ie, 2 + osen_ie[1]);
4109                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
4110                 if (!ie && !ie2 && !osen_ie &&
4111                     (bss->caps & IEEE80211_CAP_PRIVACY)) {
4112                         ret = os_snprintf(pos, end - pos, "[WEP]");
4113                         if (os_snprintf_error(end - pos, ret))
4114                                 return 0;
4115                         pos += ret;
4116                 }
4117                 if (bss_is_dmg(bss)) {
4118                         const char *s;
4119                         ret = os_snprintf(pos, end - pos, "[DMG]");
4120                         if (os_snprintf_error(end - pos, ret))
4121                                 return 0;
4122                         pos += ret;
4123                         switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
4124                         case IEEE80211_CAP_DMG_IBSS:
4125                                 s = "[IBSS]";
4126                                 break;
4127                         case IEEE80211_CAP_DMG_AP:
4128                                 s = "[ESS]";
4129                                 break;
4130                         case IEEE80211_CAP_DMG_PBSS:
4131                                 s = "[PBSS]";
4132                                 break;
4133                         default:
4134                                 s = "";
4135                                 break;
4136                         }
4137                         ret = os_snprintf(pos, end - pos, "%s", s);
4138                         if (os_snprintf_error(end - pos, ret))
4139                                 return 0;
4140                         pos += ret;
4141                 } else {
4142                         if (bss->caps & IEEE80211_CAP_IBSS) {
4143                                 ret = os_snprintf(pos, end - pos, "[IBSS]");
4144                                 if (os_snprintf_error(end - pos, ret))
4145                                         return 0;
4146                                 pos += ret;
4147                         }
4148                         if (bss->caps & IEEE80211_CAP_ESS) {
4149                                 ret = os_snprintf(pos, end - pos, "[ESS]");
4150                                 if (os_snprintf_error(end - pos, ret))
4151                                         return 0;
4152                                 pos += ret;
4153                         }
4154                 }
4155                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
4156                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
4157                         ret = os_snprintf(pos, end - pos, "[P2P]");
4158                         if (os_snprintf_error(end - pos, ret))
4159                                 return 0;
4160                         pos += ret;
4161                 }
4162 #ifdef CONFIG_HS20
4163                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
4164                         ret = os_snprintf(pos, end - pos, "[HS20]");
4165                         if (os_snprintf_error(end - pos, ret))
4166                                 return 0;
4167                         pos += ret;
4168                 }
4169 #endif /* CONFIG_HS20 */
4170
4171                 ret = os_snprintf(pos, end - pos, "\n");
4172                 if (os_snprintf_error(end - pos, ret))
4173                         return 0;
4174                 pos += ret;
4175         }
4176
4177         if (mask & WPA_BSS_MASK_SSID) {
4178                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
4179                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
4180                 if (os_snprintf_error(end - pos, ret))
4181                         return 0;
4182                 pos += ret;
4183         }
4184
4185 #ifdef CONFIG_WPS
4186         if (mask & WPA_BSS_MASK_WPS_SCAN) {
4187                 ie = (const u8 *) (bss + 1);
4188                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
4189                 if (ret >= end - pos)
4190                         return 0;
4191                 if (ret > 0)
4192                         pos += ret;
4193         }
4194 #endif /* CONFIG_WPS */
4195
4196 #ifdef CONFIG_P2P
4197         if (mask & WPA_BSS_MASK_P2P_SCAN) {
4198                 ie = (const u8 *) (bss + 1);
4199                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
4200                 if (ret < 0 || ret >= end - pos)
4201                         return 0;
4202                 pos += ret;
4203         }
4204 #endif /* CONFIG_P2P */
4205
4206 #ifdef CONFIG_WIFI_DISPLAY
4207         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
4208                 struct wpabuf *wfd;
4209                 ie = (const u8 *) (bss + 1);
4210                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
4211                                                   WFD_IE_VENDOR_TYPE);
4212                 if (wfd) {
4213                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
4214                         if (os_snprintf_error(end - pos, ret)) {
4215                                 wpabuf_free(wfd);
4216                                 return 0;
4217                         }
4218                         pos += ret;
4219
4220                         pos += wpa_snprintf_hex(pos, end - pos,
4221                                                 wpabuf_head(wfd),
4222                                                 wpabuf_len(wfd));
4223                         wpabuf_free(wfd);
4224
4225                         ret = os_snprintf(pos, end - pos, "\n");
4226                         if (os_snprintf_error(end - pos, ret))
4227                                 return 0;
4228                         pos += ret;
4229                 }
4230         }
4231 #endif /* CONFIG_WIFI_DISPLAY */
4232
4233 #ifdef CONFIG_INTERWORKING
4234         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
4235                 struct wpa_bss_anqp *anqp = bss->anqp;
4236                 struct wpa_bss_anqp_elem *elem;
4237
4238                 pos = anqp_add_hex(pos, end, "anqp_capability_list",
4239                                    anqp->capability_list);
4240                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
4241                                    anqp->venue_name);
4242                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4243                                    anqp->network_auth_type);
4244                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4245                                    anqp->roaming_consortium);
4246                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4247                                    anqp->ip_addr_type_availability);
4248                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4249                                    anqp->nai_realm);
4250                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4251                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
4252                                    anqp->domain_name);
4253 #ifdef CONFIG_HS20
4254                 pos = anqp_add_hex(pos, end, "hs20_capability_list",
4255                                    anqp->hs20_capability_list);
4256                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4257                                    anqp->hs20_operator_friendly_name);
4258                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4259                                    anqp->hs20_wan_metrics);
4260                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4261                                    anqp->hs20_connection_capability);
4262                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
4263                                    anqp->hs20_operating_class);
4264                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4265                                    anqp->hs20_osu_providers_list);
4266 #endif /* CONFIG_HS20 */
4267
4268                 dl_list_for_each(elem, &anqp->anqp_elems,
4269                                  struct wpa_bss_anqp_elem, list) {
4270                         char title[20];
4271
4272                         os_snprintf(title, sizeof(title), "anqp[%u]",
4273                                     elem->infoid);
4274                         pos = anqp_add_hex(pos, end, title, elem->payload);
4275                 }
4276         }
4277 #endif /* CONFIG_INTERWORKING */
4278
4279 #ifdef CONFIG_MESH
4280         if (mask & WPA_BSS_MASK_MESH_SCAN) {
4281                 ie = (const u8 *) (bss + 1);
4282                 ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4283                 if (ret < 0 || ret >= end - pos)
4284                         return 0;
4285                 pos += ret;
4286         }
4287 #endif /* CONFIG_MESH */
4288
4289         if (mask & WPA_BSS_MASK_SNR) {
4290                 ret = os_snprintf(pos, end - pos, "snr=%d\n", bss->snr);
4291                 if (os_snprintf_error(end - pos, ret))
4292                         return 0;
4293                 pos += ret;
4294         }
4295
4296         if (mask & WPA_BSS_MASK_EST_THROUGHPUT) {
4297                 ret = os_snprintf(pos, end - pos, "est_throughput=%d\n",
4298                                   bss->est_throughput);
4299                 if (os_snprintf_error(end - pos, ret))
4300                         return 0;
4301                 pos += ret;
4302         }
4303
4304 #ifdef CONFIG_FST
4305         if (mask & WPA_BSS_MASK_FST) {
4306                 ret = fst_ctrl_iface_mb_info(bss->bssid, pos, end - pos);
4307                 if (ret < 0 || ret >= end - pos)
4308                         return 0;
4309                 pos += ret;
4310         }
4311 #endif /* CONFIG_FST */
4312
4313         if (mask & WPA_BSS_MASK_DELIM) {
4314                 ret = os_snprintf(pos, end - pos, "====\n");
4315                 if (os_snprintf_error(end - pos, ret))
4316                         return 0;
4317                 pos += ret;
4318         }
4319
4320         return pos - buf;
4321 }
4322
4323
4324 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
4325                                          const char *cmd, char *buf,
4326                                          size_t buflen)
4327 {
4328         u8 bssid[ETH_ALEN];
4329         size_t i;
4330         struct wpa_bss *bss;
4331         struct wpa_bss *bsslast = NULL;
4332         struct dl_list *next;
4333         int ret = 0;
4334         int len;
4335         char *ctmp, *end = buf + buflen;
4336         unsigned long mask = WPA_BSS_MASK_ALL;
4337
4338         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
4339                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
4340                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
4341                                             list_id);
4342                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
4343                                                list_id);
4344                 } else { /* N1-N2 */
4345                         unsigned int id1, id2;
4346
4347                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
4348                                 wpa_printf(MSG_INFO, "Wrong BSS range "
4349                                            "format");
4350                                 return 0;
4351                         }
4352
4353                         if (*(cmd + 6) == '-')
4354                                 id1 = 0;
4355                         else
4356                                 id1 = atoi(cmd + 6);
4357                         ctmp++;
4358                         if (*ctmp >= '0' && *ctmp <= '9')
4359                                 id2 = atoi(ctmp);
4360                         else
4361                                 id2 = (unsigned int) -1;
4362                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4363                         if (id2 == (unsigned int) -1)
4364                                 bsslast = dl_list_last(&wpa_s->bss_id,
4365                                                        struct wpa_bss,
4366                                                        list_id);
4367                         else {
4368                                 bsslast = wpa_bss_get_id(wpa_s, id2);
4369                                 if (bsslast == NULL && bss && id2 > id1) {
4370                                         struct wpa_bss *tmp = bss;
4371                                         for (;;) {
4372                                                 next = tmp->list_id.next;
4373                                                 if (next == &wpa_s->bss_id)
4374                                                         break;
4375                                                 tmp = dl_list_entry(
4376                                                         next, struct wpa_bss,
4377                                                         list_id);
4378                                                 if (tmp->id > id2)
4379                                                         break;
4380                                                 bsslast = tmp;
4381                                         }
4382                                 }
4383                         }
4384                 }
4385         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
4386                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4387         else if (os_strncmp(cmd, "LAST", 4) == 0)
4388                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4389         else if (os_strncmp(cmd, "ID-", 3) == 0) {
4390                 i = atoi(cmd + 3);
4391                 bss = wpa_bss_get_id(wpa_s, i);
4392         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4393                 i = atoi(cmd + 5);
4394                 bss = wpa_bss_get_id(wpa_s, i);
4395                 if (bss) {
4396                         next = bss->list_id.next;
4397                         if (next == &wpa_s->bss_id)
4398                                 bss = NULL;
4399                         else
4400                                 bss = dl_list_entry(next, struct wpa_bss,
4401                                                     list_id);
4402                 }
4403 #ifdef CONFIG_P2P
4404         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4405                 if (hwaddr_aton(cmd + 13, bssid) == 0)
4406                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4407                 else
4408                         bss = NULL;
4409 #endif /* CONFIG_P2P */
4410         } else if (hwaddr_aton(cmd, bssid) == 0)
4411                 bss = wpa_bss_get_bssid(wpa_s, bssid);
4412         else {
4413                 struct wpa_bss *tmp;
4414                 i = atoi(cmd);
4415                 bss = NULL;
4416                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4417                 {
4418                         if (i-- == 0) {
4419                                 bss = tmp;
4420                                 break;
4421                         }
4422                 }
4423         }
4424
4425         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4426                 mask = strtoul(ctmp + 5, NULL, 0x10);
4427                 if (mask == 0)
4428                         mask = WPA_BSS_MASK_ALL;
4429         }
4430
4431         if (bss == NULL)
4432                 return 0;
4433
4434         if (bsslast == NULL)
4435                 bsslast = bss;
4436         do {
4437                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4438                 ret += len;
4439                 buf += len;
4440                 buflen -= len;
4441                 if (bss == bsslast) {
4442                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
4443                             (bss == dl_list_last(&wpa_s->bss_id,
4444                                                  struct wpa_bss, list_id))) {
4445                                 int res;
4446
4447                                 res = os_snprintf(buf - 5, end - buf + 5,
4448                                                   "####\n");
4449                                 if (os_snprintf_error(end - buf + 5, res)) {
4450                                         wpa_printf(MSG_DEBUG,
4451                                                    "Could not add end delim");
4452                                 }
4453                         }
4454                         break;
4455                 }
4456                 next = bss->list_id.next;
4457                 if (next == &wpa_s->bss_id)
4458                         break;
4459                 bss = dl_list_entry(next, struct wpa_bss, list_id);
4460         } while (bss && len);
4461
4462         return ret;
4463 }
4464
4465
4466 static int wpa_supplicant_ctrl_iface_ap_scan(
4467         struct wpa_supplicant *wpa_s, char *cmd)
4468 {
4469         int ap_scan = atoi(cmd);
4470         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4471 }
4472
4473
4474 static int wpa_supplicant_ctrl_iface_scan_interval(
4475         struct wpa_supplicant *wpa_s, char *cmd)
4476 {
4477         int scan_int = atoi(cmd);
4478         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4479 }
4480
4481
4482 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4483         struct wpa_supplicant *wpa_s, char *cmd)
4484 {
4485         int expire_age = atoi(cmd);
4486         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4487 }
4488
4489
4490 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4491         struct wpa_supplicant *wpa_s, char *cmd)
4492 {
4493         int expire_count = atoi(cmd);
4494         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4495 }
4496
4497
4498 static void wpa_supplicant_ctrl_iface_bss_flush(
4499         struct wpa_supplicant *wpa_s, char *cmd)
4500 {
4501         int flush_age = atoi(cmd);
4502
4503         if (flush_age == 0)
4504                 wpa_bss_flush(wpa_s);
4505         else
4506                 wpa_bss_flush_by_age(wpa_s, flush_age);
4507 }
4508
4509
4510 #ifdef CONFIG_TESTING_OPTIONS
4511 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4512 {
4513         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4514         /* MLME-DELETEKEYS.request */
4515         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4516         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4517         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4518         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4519 #ifdef CONFIG_IEEE80211W
4520         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4521         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4522 #endif /* CONFIG_IEEE80211W */
4523
4524         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4525                         0);
4526         /* MLME-SETPROTECTION.request(None) */
4527         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4528                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4529                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4530         wpa_sm_drop_sa(wpa_s->wpa);
4531 }
4532 #endif /* CONFIG_TESTING_OPTIONS */
4533
4534
4535 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4536                                           char *addr)
4537 {
4538 #ifdef CONFIG_NO_SCAN_PROCESSING
4539         return -1;
4540 #else /* CONFIG_NO_SCAN_PROCESSING */
4541         u8 bssid[ETH_ALEN];
4542         struct wpa_bss *bss;
4543         struct wpa_ssid *ssid = wpa_s->current_ssid;
4544
4545         if (hwaddr_aton(addr, bssid)) {
4546                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4547                            "address '%s'", addr);
4548                 return -1;
4549         }
4550
4551         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4552
4553         if (!ssid) {
4554                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4555                            "configuration known for the target AP");
4556                 return -1;
4557         }
4558
4559         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4560         if (!bss) {
4561                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4562                            "from BSS table");
4563                 return -1;
4564         }
4565
4566         /*
4567          * TODO: Find best network configuration block from configuration to
4568          * allow roaming to other networks
4569          */
4570
4571         wpa_s->reassociate = 1;
4572         wpa_supplicant_connect(wpa_s, bss, ssid);
4573
4574         return 0;
4575 #endif /* CONFIG_NO_SCAN_PROCESSING */
4576 }
4577
4578
4579 #ifdef CONFIG_P2P
4580 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4581 {
4582         unsigned int timeout = atoi(cmd);
4583         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4584         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4585         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4586         char *pos;
4587         unsigned int search_delay;
4588         const char *_seek[P2P_MAX_QUERY_HASH + 1], **seek = NULL;
4589         u8 seek_count = 0;
4590         int freq = 0;
4591
4592         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4593                 wpa_dbg(wpa_s, MSG_INFO,
4594                         "Reject P2P_FIND since interface is disabled");
4595                 return -1;
4596         }
4597         if (os_strstr(cmd, "type=social"))
4598                 type = P2P_FIND_ONLY_SOCIAL;
4599         else if (os_strstr(cmd, "type=progressive"))
4600                 type = P2P_FIND_PROGRESSIVE;
4601
4602         pos = os_strstr(cmd, "dev_id=");
4603         if (pos) {
4604                 pos += 7;
4605                 if (hwaddr_aton(pos, dev_id))
4606                         return -1;
4607                 _dev_id = dev_id;
4608         }
4609
4610         pos = os_strstr(cmd, "dev_type=");
4611         if (pos) {
4612                 pos += 9;
4613                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4614                         return -1;
4615                 _dev_type = dev_type;
4616         }
4617
4618         pos = os_strstr(cmd, "delay=");
4619         if (pos) {
4620                 pos += 6;
4621                 search_delay = atoi(pos);
4622         } else
4623                 search_delay = wpas_p2p_search_delay(wpa_s);
4624
4625         pos = os_strstr(cmd, "freq=");
4626         if (pos) {
4627                 pos += 5;
4628                 freq = atoi(pos);
4629                 if (freq <= 0)
4630                         return -1;
4631         }
4632
4633         /* Must be searched for last, because it adds nul termination */
4634         pos = os_strstr(cmd, " seek=");
4635         if (pos)
4636                 pos += 6;
4637         while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
4638                 char *term;
4639
4640                 _seek[seek_count++] = pos;
4641                 seek = _seek;
4642                 term = os_strchr(pos, ' ');
4643                 if (!term)
4644                         break;
4645                 *term = '\0';
4646                 pos = os_strstr(term + 1, "seek=");
4647                 if (pos)
4648                         pos += 5;
4649         }
4650         if (seek_count > P2P_MAX_QUERY_HASH) {
4651                 seek[0] = NULL;
4652                 seek_count = 1;
4653         }
4654
4655         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4656                              _dev_id, search_delay, seek_count, seek, freq);
4657 }
4658
4659
4660 static int p2ps_ctrl_parse_cpt_priority(const char *pos, u8 *cpt)
4661 {
4662         const char *last = NULL;
4663         const char *token;
4664         long int token_len;
4665         unsigned int i;
4666
4667         /* Expected predefined CPT names delimited by ':' */
4668         for (i = 0; (token = cstr_token(pos, ": \t", &last)); i++) {
4669                 if (i >= P2PS_FEATURE_CAPAB_CPT_MAX) {
4670                         wpa_printf(MSG_ERROR,
4671                                    "P2PS: CPT name list is too long, expected up to %d names",
4672                                    P2PS_FEATURE_CAPAB_CPT_MAX);
4673                         cpt[0] = 0;
4674                         return -1;
4675                 }
4676
4677                 token_len = last - token;
4678
4679                 if (token_len  == 3 &&
4680                     os_memcmp(token, "UDP", token_len) == 0) {
4681                         cpt[i] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4682                 } else if (token_len == 3 &&
4683                            os_memcmp(token, "MAC", token_len) == 0) {
4684                         cpt[i] = P2PS_FEATURE_CAPAB_MAC_TRANSPORT;
4685                 } else {
4686                         wpa_printf(MSG_ERROR,
4687                                    "P2PS: Unsupported CPT name '%s'", token);
4688                         cpt[0] = 0;
4689                         return -1;
4690                 }
4691
4692                 if (isblank(*last)) {
4693                         i++;
4694                         break;
4695                 }
4696         }
4697         cpt[i] = 0;
4698         return 0;
4699 }
4700
4701
4702 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
4703 {
4704         struct p2ps_provision *p2ps_prov;
4705         char *pos;
4706         size_t info_len = 0;
4707         char *info = NULL;
4708         u8 role = P2PS_SETUP_NONE;
4709         long long unsigned val;
4710         int i;
4711
4712         pos = os_strstr(cmd, "info=");
4713         if (pos) {
4714                 pos += 5;
4715                 info_len = os_strlen(pos);
4716
4717                 if (info_len) {
4718                         info = os_malloc(info_len + 1);
4719                         if (info) {
4720                                 info_len = utf8_unescape(pos, info_len,
4721                                                          info, info_len + 1);
4722                         } else
4723                                 info_len = 0;
4724                 }
4725         }
4726
4727         p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
4728         if (p2ps_prov == NULL) {
4729                 os_free(info);
4730                 return NULL;
4731         }
4732
4733         if (info) {
4734                 os_memcpy(p2ps_prov->info, info, info_len);
4735                 p2ps_prov->info[info_len] = '\0';
4736                 os_free(info);
4737         }
4738
4739         pos = os_strstr(cmd, "status=");
4740         if (pos)
4741                 p2ps_prov->status = atoi(pos + 7);
4742         else
4743                 p2ps_prov->status = -1;
4744
4745         pos = os_strstr(cmd, "adv_id=");
4746         if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
4747                 goto invalid_args;
4748         p2ps_prov->adv_id = val;
4749
4750         pos = os_strstr(cmd, "method=");
4751         if (pos)
4752                 p2ps_prov->method = strtol(pos + 7, NULL, 16);
4753         else
4754                 p2ps_prov->method = 0;
4755
4756         pos = os_strstr(cmd, "session=");
4757         if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
4758                 goto invalid_args;
4759         p2ps_prov->session_id = val;
4760
4761         pos = os_strstr(cmd, "adv_mac=");
4762         if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
4763                 goto invalid_args;
4764
4765         pos = os_strstr(cmd, "session_mac=");
4766         if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
4767                 goto invalid_args;
4768
4769         pos = os_strstr(cmd, "cpt=");
4770         if (pos) {
4771                 if (p2ps_ctrl_parse_cpt_priority(pos + 4,
4772                                                  p2ps_prov->cpt_priority))
4773                         goto invalid_args;
4774         } else {
4775                 p2ps_prov->cpt_priority[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4776         }
4777
4778         for (i = 0; p2ps_prov->cpt_priority[i]; i++)
4779                 p2ps_prov->cpt_mask |= p2ps_prov->cpt_priority[i];
4780
4781         /* force conncap with tstCap (no sanity checks) */
4782         pos = os_strstr(cmd, "tstCap=");
4783         if (pos) {
4784                 role = strtol(pos + 7, NULL, 16);
4785         } else {
4786                 pos = os_strstr(cmd, "role=");
4787                 if (pos) {
4788                         role = strtol(pos + 5, NULL, 16);
4789                         if (role != P2PS_SETUP_CLIENT &&
4790                             role != P2PS_SETUP_GROUP_OWNER)
4791                                 role = P2PS_SETUP_NONE;
4792                 }
4793         }
4794         p2ps_prov->role = role;
4795
4796         return p2ps_prov;
4797
4798 invalid_args:
4799         os_free(p2ps_prov);
4800         return NULL;
4801 }
4802
4803
4804 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
4805 {
4806         u8 addr[ETH_ALEN];
4807         struct p2ps_provision *p2ps_prov;
4808         char *pos;
4809
4810         /* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
4811
4812         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4813
4814         if (hwaddr_aton(cmd, addr))
4815                 return -1;
4816
4817         pos = cmd + 17;
4818         if (*pos != ' ')
4819                 return -1;
4820
4821         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4822         if (!p2ps_prov)
4823                 return -1;
4824
4825         if (p2ps_prov->status < 0) {
4826                 os_free(p2ps_prov);
4827                 return -1;
4828         }
4829
4830         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4831                                   p2ps_prov);
4832 }
4833
4834
4835 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
4836 {
4837         u8 addr[ETH_ALEN];
4838         struct p2ps_provision *p2ps_prov;
4839         char *pos;
4840
4841         /* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
4842          *        session=<ses_id> mac=<ses_mac> [info=<infodata>]
4843          */
4844
4845         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4846         if (hwaddr_aton(cmd, addr))
4847                 return -1;
4848
4849         pos = cmd + 17;
4850         if (*pos != ' ')
4851                 return -1;
4852
4853         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4854         if (!p2ps_prov)
4855                 return -1;
4856
4857         p2ps_prov->pd_seeker = 1;
4858
4859         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4860                                   p2ps_prov);
4861 }
4862
4863
4864 static int parse_freq(int chwidth, int freq2)
4865 {
4866         if (freq2 < 0)
4867                 return -1;
4868         if (freq2)
4869                 return VHT_CHANWIDTH_80P80MHZ;
4870
4871         switch (chwidth) {
4872         case 0:
4873         case 20:
4874         case 40:
4875                 return VHT_CHANWIDTH_USE_HT;
4876         case 80:
4877                 return VHT_CHANWIDTH_80MHZ;
4878         case 160:
4879                 return VHT_CHANWIDTH_160MHZ;
4880         default:
4881                 wpa_printf(MSG_DEBUG, "Unknown max oper bandwidth: %d",
4882                            chwidth);
4883                 return -1;
4884         }
4885 }
4886
4887
4888 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4889                             char *buf, size_t buflen)
4890 {
4891         u8 addr[ETH_ALEN];
4892         char *pos, *pos2;
4893         char *pin = NULL;
4894         enum p2p_wps_method wps_method;
4895         int new_pin;
4896         int ret;
4897         int persistent_group, persistent_id = -1;
4898         int join;
4899         int auth;
4900         int automatic;
4901         int go_intent = -1;
4902         int freq = 0;
4903         int pd;
4904         int ht40, vht, max_oper_chwidth, chwidth = 0, freq2 = 0;
4905
4906         if (!wpa_s->global->p2p_init_wpa_s)
4907                 return -1;
4908         if (wpa_s->global->p2p_init_wpa_s != wpa_s) {
4909                 wpa_dbg(wpa_s, MSG_DEBUG, "Direct P2P_CONNECT command to %s",
4910                         wpa_s->global->p2p_init_wpa_s->ifname);
4911                 wpa_s = wpa_s->global->p2p_init_wpa_s;
4912         }
4913
4914         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
4915          * [persistent|persistent=<network id>]
4916          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4917          * [ht40] [vht] [auto] */
4918
4919         if (hwaddr_aton(cmd, addr))
4920                 return -1;
4921
4922         pos = cmd + 17;
4923         if (*pos != ' ')
4924                 return -1;
4925         pos++;
4926
4927         persistent_group = os_strstr(pos, " persistent") != NULL;
4928         pos2 = os_strstr(pos, " persistent=");
4929         if (pos2) {
4930                 struct wpa_ssid *ssid;
4931                 persistent_id = atoi(pos2 + 12);
4932                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4933                 if (ssid == NULL || ssid->disabled != 2 ||
4934                     ssid->mode != WPAS_MODE_P2P_GO) {
4935                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4936                                    "SSID id=%d for persistent P2P group (GO)",
4937                                    persistent_id);
4938                         return -1;
4939                 }
4940         }
4941         join = os_strstr(pos, " join") != NULL;
4942         auth = os_strstr(pos, " auth") != NULL;
4943         automatic = os_strstr(pos, " auto") != NULL;
4944         pd = os_strstr(pos, " provdisc") != NULL;
4945         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4946         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4947                 vht;
4948
4949         pos2 = os_strstr(pos, " go_intent=");
4950         if (pos2) {
4951                 pos2 += 11;
4952                 go_intent = atoi(pos2);
4953                 if (go_intent < 0 || go_intent > 15)
4954                         return -1;
4955         }
4956
4957         pos2 = os_strstr(pos, " freq=");
4958         if (pos2) {
4959                 pos2 += 6;
4960                 freq = atoi(pos2);
4961                 if (freq <= 0)
4962                         return -1;
4963         }
4964
4965         pos2 = os_strstr(pos, " freq2=");
4966         if (pos2)
4967                 freq2 = atoi(pos2 + 7);
4968
4969         pos2 = os_strstr(pos, " max_oper_chwidth=");
4970         if (pos2)
4971                 chwidth = atoi(pos2 + 18);
4972
4973         max_oper_chwidth = parse_freq(chwidth, freq2);
4974         if (max_oper_chwidth < 0)
4975                 return -1;
4976
4977         if (os_strncmp(pos, "pin", 3) == 0) {
4978                 /* Request random PIN (to be displayed) and enable the PIN */
4979                 wps_method = WPS_PIN_DISPLAY;
4980         } else if (os_strncmp(pos, "pbc", 3) == 0) {
4981                 wps_method = WPS_PBC;
4982         } else {
4983                 pin = pos;
4984                 pos = os_strchr(pin, ' ');
4985                 wps_method = WPS_PIN_KEYPAD;
4986                 if (pos) {
4987                         *pos++ = '\0';
4988                         if (os_strncmp(pos, "display", 7) == 0)
4989                                 wps_method = WPS_PIN_DISPLAY;
4990                         else if (os_strncmp(pos, "p2ps", 4) == 0)
4991                                 wps_method = WPS_P2PS;
4992                 }
4993                 if (!wps_pin_str_valid(pin)) {
4994                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
4995                         return 17;
4996                 }
4997         }
4998
4999         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
5000                                    persistent_group, automatic, join,
5001                                    auth, go_intent, freq, freq2, persistent_id,
5002                                    pd, ht40, vht, max_oper_chwidth);
5003         if (new_pin == -2) {
5004                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
5005                 return 25;
5006         }
5007         if (new_pin == -3) {
5008                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
5009                 return 25;
5010         }
5011         if (new_pin < 0)
5012                 return -1;
5013         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
5014                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
5015                 if (os_snprintf_error(buflen, ret))
5016                         return -1;
5017                 return ret;
5018         }
5019
5020         os_memcpy(buf, "OK\n", 3);
5021         return 3;
5022 }
5023
5024
5025 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
5026 {
5027         unsigned int timeout = atoi(cmd);
5028         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
5029                 wpa_dbg(wpa_s, MSG_INFO,
5030                         "Reject P2P_LISTEN since interface is disabled");
5031                 return -1;
5032         }
5033         return wpas_p2p_listen(wpa_s, timeout);
5034 }
5035
5036
5037 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
5038 {
5039         u8 addr[ETH_ALEN];
5040         char *pos;
5041         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
5042
5043         /* <addr> <config method> [join|auto] */
5044
5045         if (hwaddr_aton(cmd, addr))
5046                 return -1;
5047
5048         pos = cmd + 17;
5049         if (*pos != ' ')
5050                 return -1;
5051         pos++;
5052
5053         if (os_strstr(pos, " join") != NULL)
5054                 use = WPAS_P2P_PD_FOR_JOIN;
5055         else if (os_strstr(pos, " auto") != NULL)
5056                 use = WPAS_P2P_PD_AUTO;
5057
5058         return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
5059 }
5060
5061
5062 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
5063                               size_t buflen)
5064 {
5065         struct wpa_ssid *ssid = wpa_s->current_ssid;
5066
5067         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
5068             ssid->passphrase == NULL)
5069                 return -1;
5070
5071         os_strlcpy(buf, ssid->passphrase, buflen);
5072         return os_strlen(buf);
5073 }
5074
5075
5076 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
5077                                   char *buf, size_t buflen)
5078 {
5079         u64 ref;
5080         int res;
5081         u8 dst_buf[ETH_ALEN], *dst;
5082         struct wpabuf *tlvs;
5083         char *pos;
5084         size_t len;
5085
5086         if (hwaddr_aton(cmd, dst_buf))
5087                 return -1;
5088         dst = dst_buf;
5089         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
5090             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
5091                 dst = NULL;
5092         pos = cmd + 17;
5093         if (*pos != ' ')
5094                 return -1;
5095         pos++;
5096
5097         if (os_strncmp(pos, "upnp ", 5) == 0) {
5098                 u8 version;
5099                 pos += 5;
5100                 if (hexstr2bin(pos, &version, 1) < 0)
5101                         return -1;
5102                 pos += 2;
5103                 if (*pos != ' ')
5104                         return -1;
5105                 pos++;
5106                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
5107 #ifdef CONFIG_WIFI_DISPLAY
5108         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
5109                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
5110 #endif /* CONFIG_WIFI_DISPLAY */
5111         } else if (os_strncmp(pos, "asp ", 4) == 0) {
5112                 char *svc_str;
5113                 char *svc_info = NULL;
5114                 u32 id;
5115
5116                 pos += 4;
5117                 if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
5118                         return -1;
5119
5120                 pos = os_strchr(pos, ' ');
5121                 if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
5122                         return -1;
5123
5124                 svc_str = pos + 1;
5125
5126                 pos = os_strchr(svc_str, ' ');
5127
5128                 if (pos)
5129                         *pos++ = '\0';
5130
5131                 /* All remaining data is the svc_info string */
5132                 if (pos && pos[0] && pos[0] != ' ') {
5133                         len = os_strlen(pos);
5134
5135                         /* Unescape in place */
5136                         len = utf8_unescape(pos, len, pos, len);
5137                         if (len > 0xff)
5138                                 return -1;
5139
5140                         svc_info = pos;
5141                 }
5142
5143                 ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
5144                                               svc_str, svc_info);
5145         } else {
5146                 len = os_strlen(pos);
5147                 if (len & 1)
5148                         return -1;
5149                 len /= 2;
5150                 tlvs = wpabuf_alloc(len);
5151                 if (tlvs == NULL)
5152                         return -1;
5153                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
5154                         wpabuf_free(tlvs);
5155                         return -1;
5156                 }
5157
5158                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
5159                 wpabuf_free(tlvs);
5160         }
5161         if (ref == 0)
5162                 return -1;
5163         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
5164         if (os_snprintf_error(buflen, res))
5165                 return -1;
5166         return res;
5167 }
5168
5169
5170 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
5171                                          char *cmd)
5172 {
5173         long long unsigned val;
5174         u64 req;
5175         if (sscanf(cmd, "%llx", &val) != 1)
5176                 return -1;
5177         req = val;
5178         return wpas_p2p_sd_cancel_request(wpa_s, req);
5179 }
5180
5181
5182 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
5183 {
5184         int freq;
5185         u8 dst[ETH_ALEN];
5186         u8 dialog_token;
5187         struct wpabuf *resp_tlvs;
5188         char *pos, *pos2;
5189         size_t len;
5190
5191         pos = os_strchr(cmd, ' ');
5192         if (pos == NULL)
5193                 return -1;
5194         *pos++ = '\0';
5195         freq = atoi(cmd);
5196         if (freq == 0)
5197                 return -1;
5198
5199         if (hwaddr_aton(pos, dst))
5200                 return -1;
5201         pos += 17;
5202         if (*pos != ' ')
5203                 return -1;
5204         pos++;
5205
5206         pos2 = os_strchr(pos, ' ');
5207         if (pos2 == NULL)
5208                 return -1;
5209         *pos2++ = '\0';
5210         dialog_token = atoi(pos);
5211
5212         len = os_strlen(pos2);
5213         if (len & 1)
5214                 return -1;
5215         len /= 2;
5216         resp_tlvs = wpabuf_alloc(len);
5217         if (resp_tlvs == NULL)
5218                 return -1;
5219         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
5220                 wpabuf_free(resp_tlvs);
5221                 return -1;
5222         }
5223
5224         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
5225         wpabuf_free(resp_tlvs);
5226         return 0;
5227 }
5228
5229
5230 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
5231                                        char *cmd)
5232 {
5233         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
5234                 return -1;
5235         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
5236         return 0;
5237 }
5238
5239
5240 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
5241                                         char *cmd)
5242 {
5243         char *pos;
5244         size_t len;
5245         struct wpabuf *query, *resp;
5246
5247         pos = os_strchr(cmd, ' ');
5248         if (pos == NULL)
5249                 return -1;
5250         *pos++ = '\0';
5251
5252         len = os_strlen(cmd);
5253         if (len & 1)
5254                 return -1;
5255         len /= 2;
5256         query = wpabuf_alloc(len);
5257         if (query == NULL)
5258                 return -1;
5259         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5260                 wpabuf_free(query);
5261                 return -1;
5262         }
5263
5264         len = os_strlen(pos);
5265         if (len & 1) {
5266                 wpabuf_free(query);
5267                 return -1;
5268         }
5269         len /= 2;
5270         resp = wpabuf_alloc(len);
5271         if (resp == NULL) {
5272                 wpabuf_free(query);
5273                 return -1;
5274         }
5275         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
5276                 wpabuf_free(query);
5277                 wpabuf_free(resp);
5278                 return -1;
5279         }
5280
5281         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
5282                 wpabuf_free(query);
5283                 wpabuf_free(resp);
5284                 return -1;
5285         }
5286         return 0;
5287 }
5288
5289
5290 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5291 {
5292         char *pos;
5293         u8 version;
5294
5295         pos = os_strchr(cmd, ' ');
5296         if (pos == NULL)
5297                 return -1;
5298         *pos++ = '\0';
5299
5300         if (hexstr2bin(cmd, &version, 1) < 0)
5301                 return -1;
5302
5303         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
5304 }
5305
5306
5307 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
5308                                     u8 replace, char *cmd)
5309 {
5310         char *pos;
5311         char *adv_str;
5312         u32 auto_accept, adv_id, svc_state, config_methods;
5313         char *svc_info = NULL;
5314         char *cpt_prio_str;
5315         u8 cpt_prio[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
5316
5317         pos = os_strchr(cmd, ' ');
5318         if (pos == NULL)
5319                 return -1;
5320         *pos++ = '\0';
5321
5322         /* Auto-Accept value is mandatory, and must be one of the
5323          * single values (0, 1, 2, 4) */
5324         auto_accept = atoi(cmd);
5325         switch (auto_accept) {
5326         case P2PS_SETUP_NONE: /* No auto-accept */
5327         case P2PS_SETUP_NEW:
5328         case P2PS_SETUP_CLIENT:
5329         case P2PS_SETUP_GROUP_OWNER:
5330                 break;
5331         default:
5332                 return -1;
5333         }
5334
5335         /* Advertisement ID is mandatory */
5336         cmd = pos;
5337         pos = os_strchr(cmd, ' ');
5338         if (pos == NULL)
5339                 return -1;
5340         *pos++ = '\0';
5341
5342         /* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
5343         if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
5344                 return -1;
5345
5346         /* Only allow replacements if exist, and adds if not */
5347         if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
5348                 if (!replace)
5349                         return -1;
5350         } else {
5351                 if (replace)
5352                         return -1;
5353         }
5354
5355         /* svc_state between 0 - 0xff is mandatory */
5356         if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
5357                 return -1;
5358
5359         pos = os_strchr(pos, ' ');
5360         if (pos == NULL)
5361                 return -1;
5362
5363         /* config_methods is mandatory */
5364         pos++;
5365         if (sscanf(pos, "%x", &config_methods) != 1)
5366                 return -1;
5367
5368         if (!(config_methods &
5369               (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
5370                 return -1;
5371
5372         pos = os_strchr(pos, ' ');
5373         if (pos == NULL)
5374                 return -1;
5375
5376         pos++;
5377         adv_str = pos;
5378
5379         /* Advertisement string is mandatory */
5380         if (!pos[0] || pos[0] == ' ')
5381                 return -1;
5382
5383         /* Terminate svc string */
5384         pos = os_strchr(pos, ' ');
5385         if (pos != NULL)
5386                 *pos++ = '\0';
5387
5388         cpt_prio_str = (pos && pos[0]) ? os_strstr(pos, "cpt=") : NULL;
5389         if (cpt_prio_str) {
5390                 pos = os_strchr(pos, ' ');
5391                 if (pos != NULL)
5392                         *pos++ = '\0';
5393
5394                 if (p2ps_ctrl_parse_cpt_priority(cpt_prio_str + 4, cpt_prio))
5395                         return -1;
5396         } else {
5397                 cpt_prio[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
5398                 cpt_prio[1] = 0;
5399         }
5400
5401         /* Service and Response Information are optional */
5402         if (pos && pos[0]) {
5403                 size_t len;
5404
5405                 /* Note the bare ' included, which cannot exist legally
5406                  * in unescaped string. */
5407                 svc_info = os_strstr(pos, "svc_info='");
5408
5409                 if (svc_info) {
5410                         svc_info += 9;
5411                         len = os_strlen(svc_info);
5412                         utf8_unescape(svc_info, len, svc_info, len);
5413                 }
5414         }
5415
5416         return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
5417                                         (u8) svc_state, (u16) config_methods,
5418                                         svc_info, cpt_prio);
5419 }
5420
5421
5422 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
5423 {
5424         char *pos;
5425
5426         pos = os_strchr(cmd, ' ');
5427         if (pos == NULL)
5428                 return -1;
5429         *pos++ = '\0';
5430
5431         if (os_strcmp(cmd, "bonjour") == 0)
5432                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
5433         if (os_strcmp(cmd, "upnp") == 0)
5434                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
5435         if (os_strcmp(cmd, "asp") == 0)
5436                 return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
5437         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5438         return -1;
5439 }
5440
5441
5442 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
5443                                         char *cmd)
5444 {
5445         size_t len;
5446         struct wpabuf *query;
5447         int ret;
5448
5449         len = os_strlen(cmd);
5450         if (len & 1)
5451                 return -1;
5452         len /= 2;
5453         query = wpabuf_alloc(len);
5454         if (query == NULL)
5455                 return -1;
5456         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5457                 wpabuf_free(query);
5458                 return -1;
5459         }
5460
5461         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
5462         wpabuf_free(query);
5463         return ret;
5464 }
5465
5466
5467 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5468 {
5469         char *pos;
5470         u8 version;
5471
5472         pos = os_strchr(cmd, ' ');
5473         if (pos == NULL)
5474                 return -1;
5475         *pos++ = '\0';
5476
5477         if (hexstr2bin(cmd, &version, 1) < 0)
5478                 return -1;
5479
5480         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
5481 }
5482
5483
5484 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
5485 {
5486         u32 adv_id;
5487
5488         if (os_strcmp(cmd, "all") == 0) {
5489                 wpas_p2p_service_flush_asp(wpa_s);
5490                 return 0;
5491         }
5492
5493         if (sscanf(cmd, "%x", &adv_id) != 1)
5494                 return -1;
5495
5496         return wpas_p2p_service_del_asp(wpa_s, adv_id);
5497 }
5498
5499
5500 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
5501 {
5502         char *pos;
5503
5504         pos = os_strchr(cmd, ' ');
5505         if (pos == NULL)
5506                 return -1;
5507         *pos++ = '\0';
5508
5509         if (os_strcmp(cmd, "bonjour") == 0)
5510                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
5511         if (os_strcmp(cmd, "upnp") == 0)
5512                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
5513         if (os_strcmp(cmd, "asp") == 0)
5514                 return p2p_ctrl_service_del_asp(wpa_s, pos);
5515         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5516         return -1;
5517 }
5518
5519
5520 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
5521 {
5522         char *pos;
5523
5524         pos = os_strchr(cmd, ' ');
5525         if (pos == NULL)
5526                 return -1;
5527         *pos++ = '\0';
5528
5529         if (os_strcmp(cmd, "asp") == 0)
5530                 return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
5531
5532         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5533         return -1;
5534 }
5535
5536
5537 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
5538 {
5539         u8 addr[ETH_ALEN];
5540
5541         /* <addr> */
5542
5543         if (hwaddr_aton(cmd, addr))
5544                 return -1;
5545
5546         return wpas_p2p_reject(wpa_s, addr);
5547 }
5548
5549
5550 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
5551 {
5552         char *pos;
5553         int id;
5554         struct wpa_ssid *ssid;
5555         u8 *_peer = NULL, peer[ETH_ALEN];
5556         int freq = 0, pref_freq = 0;
5557         int ht40, vht, max_oper_chwidth, chwidth = 0, freq2 = 0;
5558
5559         id = atoi(cmd);
5560         pos = os_strstr(cmd, " peer=");
5561         if (pos) {
5562                 pos += 6;
5563                 if (hwaddr_aton(pos, peer))
5564                         return -1;
5565                 _peer = peer;
5566         }
5567         ssid = wpa_config_get_network(wpa_s->conf, id);
5568         if (ssid == NULL || ssid->disabled != 2) {
5569                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5570                            "for persistent P2P group",
5571                            id);
5572                 return -1;
5573         }
5574
5575         pos = os_strstr(cmd, " freq=");
5576         if (pos) {
5577                 pos += 6;
5578                 freq = atoi(pos);
5579                 if (freq <= 0)
5580                         return -1;
5581         }
5582
5583         pos = os_strstr(cmd, " pref=");
5584         if (pos) {
5585                 pos += 6;
5586                 pref_freq = atoi(pos);
5587                 if (pref_freq <= 0)
5588                         return -1;
5589         }
5590
5591         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5592         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5593                 vht;
5594
5595         pos = os_strstr(cmd, "freq2=");
5596         if (pos)
5597                 freq2 = atoi(pos + 6);
5598
5599         pos = os_strstr(cmd, " max_oper_chwidth=");
5600         if (pos)
5601                 chwidth = atoi(pos + 18);
5602
5603         max_oper_chwidth = parse_freq(chwidth, freq2);
5604         if (max_oper_chwidth < 0)
5605                 return -1;
5606
5607         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, freq2, ht40, vht,
5608                                max_oper_chwidth, pref_freq);
5609 }
5610
5611
5612 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
5613 {
5614         char *pos;
5615         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
5616
5617         pos = os_strstr(cmd, " peer=");
5618         if (!pos)
5619                 return -1;
5620
5621         *pos = '\0';
5622         pos += 6;
5623         if (hwaddr_aton(pos, peer)) {
5624                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
5625                 return -1;
5626         }
5627
5628         pos = os_strstr(pos, " go_dev_addr=");
5629         if (pos) {
5630                 pos += 13;
5631                 if (hwaddr_aton(pos, go_dev_addr)) {
5632                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
5633                                    pos);
5634                         return -1;
5635                 }
5636                 go_dev = go_dev_addr;
5637         }
5638
5639         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
5640 }
5641
5642
5643 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
5644 {
5645         if (os_strncmp(cmd, "persistent=", 11) == 0)
5646                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
5647         if (os_strncmp(cmd, "group=", 6) == 0)
5648                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
5649
5650         return -1;
5651 }
5652
5653
5654 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
5655                                          int id, int freq, int vht_center_freq2,
5656                                          int ht40, int vht, int vht_chwidth)
5657 {
5658         struct wpa_ssid *ssid;
5659
5660         ssid = wpa_config_get_network(wpa_s->conf, id);
5661         if (ssid == NULL || ssid->disabled != 2) {
5662                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5663                            "for persistent P2P group",
5664                            id);
5665                 return -1;
5666         }
5667
5668         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq,
5669                                              vht_center_freq2, 0, ht40, vht,
5670                                              vht_chwidth, NULL, 0, 0);
5671 }
5672
5673
5674 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
5675 {
5676         int freq = 0, persistent = 0, group_id = -1;
5677         int vht = wpa_s->conf->p2p_go_vht;
5678         int ht40 = wpa_s->conf->p2p_go_ht40 || vht;
5679         int max_oper_chwidth, chwidth = 0, freq2 = 0;
5680         char *token, *context = NULL;
5681
5682         while ((token = str_token(cmd, " ", &context))) {
5683                 if (sscanf(token, "freq=%d", &freq) == 1 ||
5684                     sscanf(token, "freq2=%d", &freq2) == 1 ||
5685                     sscanf(token, "persistent=%d", &group_id) == 1 ||
5686                     sscanf(token, "max_oper_chwidth=%d", &chwidth) == 1) {
5687                         continue;
5688                 } else if (os_strcmp(token, "ht40") == 0) {
5689                         ht40 = 1;
5690                 } else if (os_strcmp(token, "vht") == 0) {
5691                         vht = 1;
5692                         ht40 = 1;
5693                 } else if (os_strcmp(token, "persistent") == 0) {
5694                         persistent = 1;
5695                 } else {
5696                         wpa_printf(MSG_DEBUG,
5697                                    "CTRL: Invalid P2P_GROUP_ADD parameter: '%s'",
5698                                    token);
5699                         return -1;
5700                 }
5701         }
5702
5703         max_oper_chwidth = parse_freq(chwidth, freq2);
5704         if (max_oper_chwidth < 0)
5705                 return -1;
5706
5707         if (group_id >= 0)
5708                 return p2p_ctrl_group_add_persistent(wpa_s, group_id,
5709                                                      freq, freq2, ht40, vht,
5710                                                      max_oper_chwidth);
5711
5712         return wpas_p2p_group_add(wpa_s, persistent, freq, freq2, ht40, vht,
5713                                   max_oper_chwidth);
5714 }
5715
5716
5717 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
5718                          char *buf, size_t buflen)
5719 {
5720         u8 addr[ETH_ALEN], *addr_ptr;
5721         int next, res;
5722         const struct p2p_peer_info *info;
5723         char *pos, *end;
5724         char devtype[WPS_DEV_TYPE_BUFSIZE];
5725         struct wpa_ssid *ssid;
5726         size_t i;
5727
5728         if (!wpa_s->global->p2p)
5729                 return -1;
5730
5731         if (os_strcmp(cmd, "FIRST") == 0) {
5732                 addr_ptr = NULL;
5733                 next = 0;
5734         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5735                 if (hwaddr_aton(cmd + 5, addr) < 0)
5736                         return -1;
5737                 addr_ptr = addr;
5738                 next = 1;
5739         } else {
5740                 if (hwaddr_aton(cmd, addr) < 0)
5741                         return -1;
5742                 addr_ptr = addr;
5743                 next = 0;
5744         }
5745
5746         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
5747         if (info == NULL)
5748                 return -1;
5749
5750         pos = buf;
5751         end = buf + buflen;
5752
5753         res = os_snprintf(pos, end - pos, MACSTR "\n"
5754                           "pri_dev_type=%s\n"
5755                           "device_name=%s\n"
5756                           "manufacturer=%s\n"
5757                           "model_name=%s\n"
5758                           "model_number=%s\n"
5759                           "serial_number=%s\n"
5760                           "config_methods=0x%x\n"
5761                           "dev_capab=0x%x\n"
5762                           "group_capab=0x%x\n"
5763                           "level=%d\n",
5764                           MAC2STR(info->p2p_device_addr),
5765                           wps_dev_type_bin2str(info->pri_dev_type,
5766                                                devtype, sizeof(devtype)),
5767                           info->device_name,
5768                           info->manufacturer,
5769                           info->model_name,
5770                           info->model_number,
5771                           info->serial_number,
5772                           info->config_methods,
5773                           info->dev_capab,
5774                           info->group_capab,
5775                           info->level);
5776         if (os_snprintf_error(end - pos, res))
5777                 return pos - buf;
5778         pos += res;
5779
5780         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
5781         {
5782                 const u8 *t;
5783                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
5784                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
5785                                   wps_dev_type_bin2str(t, devtype,
5786                                                        sizeof(devtype)));
5787                 if (os_snprintf_error(end - pos, res))
5788                         return pos - buf;
5789                 pos += res;
5790         }
5791
5792         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
5793         if (ssid) {
5794                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
5795                 if (os_snprintf_error(end - pos, res))
5796                         return pos - buf;
5797                 pos += res;
5798         }
5799
5800         res = p2p_get_peer_info_txt(info, pos, end - pos);
5801         if (res < 0)
5802                 return pos - buf;
5803         pos += res;
5804
5805         if (info->vendor_elems) {
5806                 res = os_snprintf(pos, end - pos, "vendor_elems=");
5807                 if (os_snprintf_error(end - pos, res))
5808                         return pos - buf;
5809                 pos += res;
5810
5811                 pos += wpa_snprintf_hex(pos, end - pos,
5812                                         wpabuf_head(info->vendor_elems),
5813                                         wpabuf_len(info->vendor_elems));
5814
5815                 res = os_snprintf(pos, end - pos, "\n");
5816                 if (os_snprintf_error(end - pos, res))
5817                         return pos - buf;
5818                 pos += res;
5819         }
5820
5821         return pos - buf;
5822 }
5823
5824
5825 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
5826                                   const char *param)
5827 {
5828         unsigned int i;
5829
5830         if (wpa_s->global->p2p == NULL)
5831                 return -1;
5832
5833         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
5834                 return -1;
5835
5836         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
5837                 struct wpa_freq_range *freq;
5838                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
5839                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
5840                            freq->min, freq->max);
5841         }
5842
5843         wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DISALLOW);
5844         return 0;
5845 }
5846
5847
5848 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
5849 {
5850         char *param;
5851
5852         if (wpa_s->global->p2p == NULL)
5853                 return -1;
5854
5855         param = os_strchr(cmd, ' ');
5856         if (param == NULL)
5857                 return -1;
5858         *param++ = '\0';
5859
5860         if (os_strcmp(cmd, "discoverability") == 0) {
5861                 p2p_set_client_discoverability(wpa_s->global->p2p,
5862                                                atoi(param));
5863                 return 0;
5864         }
5865
5866         if (os_strcmp(cmd, "managed") == 0) {
5867                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5868                 return 0;
5869         }
5870
5871         if (os_strcmp(cmd, "listen_channel") == 0) {
5872                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
5873                                               atoi(param), 1);
5874         }
5875
5876         if (os_strcmp(cmd, "ssid_postfix") == 0) {
5877                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
5878                                             os_strlen(param));
5879         }
5880
5881         if (os_strcmp(cmd, "noa") == 0) {
5882                 char *pos;
5883                 int count, start, duration;
5884                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
5885                 count = atoi(param);
5886                 pos = os_strchr(param, ',');
5887                 if (pos == NULL)
5888                         return -1;
5889                 pos++;
5890                 start = atoi(pos);
5891                 pos = os_strchr(pos, ',');
5892                 if (pos == NULL)
5893                         return -1;
5894                 pos++;
5895                 duration = atoi(pos);
5896                 if (count < 0 || count > 255 || start < 0 || duration < 0)
5897                         return -1;
5898                 if (count == 0 && duration > 0)
5899                         return -1;
5900                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
5901                            "start=%d duration=%d", count, start, duration);
5902                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
5903         }
5904
5905         if (os_strcmp(cmd, "ps") == 0)
5906                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
5907
5908         if (os_strcmp(cmd, "oppps") == 0)
5909                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
5910
5911         if (os_strcmp(cmd, "ctwindow") == 0)
5912                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
5913
5914         if (os_strcmp(cmd, "disabled") == 0) {
5915                 wpa_s->global->p2p_disabled = atoi(param);
5916                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
5917                            wpa_s->global->p2p_disabled ?
5918                            "disabled" : "enabled");
5919                 if (wpa_s->global->p2p_disabled) {
5920                         wpas_p2p_stop_find(wpa_s);
5921                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5922                         p2p_flush(wpa_s->global->p2p);
5923                 }
5924                 return 0;
5925         }
5926
5927         if (os_strcmp(cmd, "conc_pref") == 0) {
5928                 if (os_strcmp(param, "sta") == 0)
5929                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
5930                 else if (os_strcmp(param, "p2p") == 0)
5931                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
5932                 else {
5933                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
5934                         return -1;
5935                 }
5936                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
5937                            "%s", param);
5938                 return 0;
5939         }
5940
5941         if (os_strcmp(cmd, "force_long_sd") == 0) {
5942                 wpa_s->force_long_sd = atoi(param);
5943                 return 0;
5944         }
5945
5946         if (os_strcmp(cmd, "peer_filter") == 0) {
5947                 u8 addr[ETH_ALEN];
5948                 if (hwaddr_aton(param, addr))
5949                         return -1;
5950                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
5951                 return 0;
5952         }
5953
5954         if (os_strcmp(cmd, "cross_connect") == 0)
5955                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
5956
5957         if (os_strcmp(cmd, "go_apsd") == 0) {
5958                 if (os_strcmp(param, "disable") == 0)
5959                         wpa_s->set_ap_uapsd = 0;
5960                 else {
5961                         wpa_s->set_ap_uapsd = 1;
5962                         wpa_s->ap_uapsd = atoi(param);
5963                 }
5964                 return 0;
5965         }
5966
5967         if (os_strcmp(cmd, "client_apsd") == 0) {
5968                 if (os_strcmp(param, "disable") == 0)
5969                         wpa_s->set_sta_uapsd = 0;
5970                 else {
5971                         int be, bk, vi, vo;
5972                         char *pos;
5973                         /* format: BE,BK,VI,VO;max SP Length */
5974                         be = atoi(param);
5975                         pos = os_strchr(param, ',');
5976                         if (pos == NULL)
5977                                 return -1;
5978                         pos++;
5979                         bk = atoi(pos);
5980                         pos = os_strchr(pos, ',');
5981                         if (pos == NULL)
5982                                 return -1;
5983                         pos++;
5984                         vi = atoi(pos);
5985                         pos = os_strchr(pos, ',');
5986                         if (pos == NULL)
5987                                 return -1;
5988                         pos++;
5989                         vo = atoi(pos);
5990                         /* ignore max SP Length for now */
5991
5992                         wpa_s->set_sta_uapsd = 1;
5993                         wpa_s->sta_uapsd = 0;
5994                         if (be)
5995                                 wpa_s->sta_uapsd |= BIT(0);
5996                         if (bk)
5997                                 wpa_s->sta_uapsd |= BIT(1);
5998                         if (vi)
5999                                 wpa_s->sta_uapsd |= BIT(2);
6000                         if (vo)
6001                                 wpa_s->sta_uapsd |= BIT(3);
6002                 }
6003                 return 0;
6004         }
6005
6006         if (os_strcmp(cmd, "disallow_freq") == 0)
6007                 return p2p_ctrl_disallow_freq(wpa_s, param);
6008
6009         if (os_strcmp(cmd, "disc_int") == 0) {
6010                 int min_disc_int, max_disc_int, max_disc_tu;
6011                 char *pos;
6012
6013                 pos = param;
6014
6015                 min_disc_int = atoi(pos);
6016                 pos = os_strchr(pos, ' ');
6017                 if (pos == NULL)
6018                         return -1;
6019                 *pos++ = '\0';
6020
6021                 max_disc_int = atoi(pos);
6022                 pos = os_strchr(pos, ' ');
6023                 if (pos == NULL)
6024                         return -1;
6025                 *pos++ = '\0';
6026
6027                 max_disc_tu = atoi(pos);
6028
6029                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
6030                                         max_disc_int, max_disc_tu);
6031         }
6032
6033         if (os_strcmp(cmd, "per_sta_psk") == 0) {
6034                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
6035                 return 0;
6036         }
6037
6038 #ifdef CONFIG_WPS_NFC
6039         if (os_strcmp(cmd, "nfc_tag") == 0)
6040                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
6041 #endif /* CONFIG_WPS_NFC */
6042
6043         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
6044                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
6045                 return 0;
6046         }
6047
6048         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
6049                    cmd);
6050
6051         return -1;
6052 }
6053
6054
6055 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
6056 {
6057         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
6058         wpa_s->force_long_sd = 0;
6059         wpas_p2p_stop_find(wpa_s);
6060         wpa_s->parent->p2ps_method_config_any = 0;
6061         if (wpa_s->global->p2p)
6062                 p2p_flush(wpa_s->global->p2p);
6063 }
6064
6065
6066 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
6067 {
6068         char *pos, *pos2;
6069         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
6070
6071         if (cmd[0]) {
6072                 pos = os_strchr(cmd, ' ');
6073                 if (pos == NULL)
6074                         return -1;
6075                 *pos++ = '\0';
6076                 dur1 = atoi(cmd);
6077
6078                 pos2 = os_strchr(pos, ' ');
6079                 if (pos2)
6080                         *pos2++ = '\0';
6081                 int1 = atoi(pos);
6082         } else
6083                 pos2 = NULL;
6084
6085         if (pos2) {
6086                 pos = os_strchr(pos2, ' ');
6087                 if (pos == NULL)
6088                         return -1;
6089                 *pos++ = '\0';
6090                 dur2 = atoi(pos2);
6091                 int2 = atoi(pos);
6092         }
6093
6094         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
6095 }
6096
6097
6098 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
6099 {
6100         char *pos;
6101         unsigned int period = 0, interval = 0;
6102
6103         if (cmd[0]) {
6104                 pos = os_strchr(cmd, ' ');
6105                 if (pos == NULL)
6106                         return -1;
6107                 *pos++ = '\0';
6108                 period = atoi(cmd);
6109                 interval = atoi(pos);
6110         }
6111
6112         return wpas_p2p_ext_listen(wpa_s, period, interval);
6113 }
6114
6115
6116 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
6117 {
6118         const char *pos;
6119         u8 peer[ETH_ALEN];
6120         int iface_addr = 0;
6121
6122         pos = cmd;
6123         if (os_strncmp(pos, "iface=", 6) == 0) {
6124                 iface_addr = 1;
6125                 pos += 6;
6126         }
6127         if (hwaddr_aton(pos, peer))
6128                 return -1;
6129
6130         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
6131         return 0;
6132 }
6133
6134 #endif /* CONFIG_P2P */
6135
6136
6137 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
6138 {
6139         struct wpa_freq_range_list ranges;
6140         int *freqs = NULL;
6141         struct hostapd_hw_modes *mode;
6142         u16 i;
6143
6144         if (wpa_s->hw.modes == NULL)
6145                 return NULL;
6146
6147         os_memset(&ranges, 0, sizeof(ranges));
6148         if (freq_range_list_parse(&ranges, val) < 0)
6149                 return NULL;
6150
6151         for (i = 0; i < wpa_s->hw.num_modes; i++) {
6152                 int j;
6153
6154                 mode = &wpa_s->hw.modes[i];
6155                 for (j = 0; j < mode->num_channels; j++) {
6156                         unsigned int freq;
6157
6158                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
6159                                 continue;
6160
6161                         freq = mode->channels[j].freq;
6162                         if (!freq_range_list_includes(&ranges, freq))
6163                                 continue;
6164
6165                         int_array_add_unique(&freqs, freq);
6166                 }
6167         }
6168
6169         os_free(ranges.range);
6170         return freqs;
6171 }
6172
6173
6174 #ifdef CONFIG_INTERWORKING
6175
6176 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
6177 {
6178         int auto_sel = 0;
6179         int *freqs = NULL;
6180
6181         if (param) {
6182                 char *pos;
6183
6184                 auto_sel = os_strstr(param, "auto") != NULL;
6185
6186                 pos = os_strstr(param, "freq=");
6187                 if (pos) {
6188                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
6189                         if (freqs == NULL)
6190                                 return -1;
6191                 }
6192
6193         }
6194
6195         return interworking_select(wpa_s, auto_sel, freqs);
6196 }
6197
6198
6199 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
6200                                      int only_add)
6201 {
6202         u8 bssid[ETH_ALEN];
6203         struct wpa_bss *bss;
6204
6205         if (hwaddr_aton(dst, bssid)) {
6206                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
6207                 return -1;
6208         }
6209
6210         bss = wpa_bss_get_bssid(wpa_s, bssid);
6211         if (bss == NULL) {
6212                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
6213                            MAC2STR(bssid));
6214                 return -1;
6215         }
6216
6217         if (bss->ssid_len == 0) {
6218                 int found = 0;
6219
6220                 wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
6221                            " does not have SSID information", MAC2STR(bssid));
6222
6223                 dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
6224                                          list) {
6225                         if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
6226                             bss->ssid_len > 0) {
6227                                 found = 1;
6228                                 break;
6229                         }
6230                 }
6231
6232                 if (!found)
6233                         return -1;
6234                 wpa_printf(MSG_DEBUG,
6235                            "Found another matching BSS entry with SSID");
6236         }
6237
6238         return interworking_connect(wpa_s, bss, only_add);
6239 }
6240
6241
6242 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
6243 {
6244         u8 dst_addr[ETH_ALEN];
6245         int used;
6246         char *pos;
6247 #define MAX_ANQP_INFO_ID 100
6248         u16 id[MAX_ANQP_INFO_ID];
6249         size_t num_id = 0;
6250         u32 subtypes = 0;
6251
6252         used = hwaddr_aton2(dst, dst_addr);
6253         if (used < 0)
6254                 return -1;
6255         pos = dst + used;
6256         if (*pos == ' ')
6257                 pos++;
6258         while (num_id < MAX_ANQP_INFO_ID) {
6259                 if (os_strncmp(pos, "hs20:", 5) == 0) {
6260 #ifdef CONFIG_HS20
6261                         int num = atoi(pos + 5);
6262                         if (num <= 0 || num > 31)
6263                                 return -1;
6264                         subtypes |= BIT(num);
6265 #else /* CONFIG_HS20 */
6266                         return -1;
6267 #endif /* CONFIG_HS20 */
6268                 } else {
6269                         id[num_id] = atoi(pos);
6270                         if (id[num_id])
6271                                 num_id++;
6272                 }
6273                 pos = os_strchr(pos + 1, ',');
6274                 if (pos == NULL)
6275                         break;
6276                 pos++;
6277         }
6278
6279         if (num_id == 0)
6280                 return -1;
6281
6282         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
6283 }
6284
6285
6286 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
6287 {
6288         u8 dst_addr[ETH_ALEN];
6289         struct wpabuf *advproto, *query = NULL;
6290         int used, ret = -1;
6291         char *pos, *end;
6292         size_t len;
6293
6294         used = hwaddr_aton2(cmd, dst_addr);
6295         if (used < 0)
6296                 return -1;
6297
6298         pos = cmd + used;
6299         while (*pos == ' ')
6300                 pos++;
6301
6302         /* Advertisement Protocol ID */
6303         end = os_strchr(pos, ' ');
6304         if (end)
6305                 len = end - pos;
6306         else
6307                 len = os_strlen(pos);
6308         if (len & 0x01)
6309                 return -1;
6310         len /= 2;
6311         if (len == 0)
6312                 return -1;
6313         advproto = wpabuf_alloc(len);
6314         if (advproto == NULL)
6315                 return -1;
6316         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
6317                 goto fail;
6318
6319         if (end) {
6320                 /* Optional Query Request */
6321                 pos = end + 1;
6322                 while (*pos == ' ')
6323                         pos++;
6324
6325                 len = os_strlen(pos);
6326                 if (len) {
6327                         if (len & 0x01)
6328                                 goto fail;
6329                         len /= 2;
6330                         if (len == 0)
6331                                 goto fail;
6332                         query = wpabuf_alloc(len);
6333                         if (query == NULL)
6334                                 goto fail;
6335                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
6336                                 goto fail;
6337                 }
6338         }
6339
6340         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
6341
6342 fail:
6343         wpabuf_free(advproto);
6344         wpabuf_free(query);
6345
6346         return ret;
6347 }
6348
6349
6350 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
6351                             size_t buflen)
6352 {
6353         u8 addr[ETH_ALEN];
6354         int dialog_token;
6355         int used;
6356         char *pos;
6357         size_t resp_len, start, requested_len;
6358         struct wpabuf *resp;
6359         int ret;
6360
6361         used = hwaddr_aton2(cmd, addr);
6362         if (used < 0)
6363                 return -1;
6364
6365         pos = cmd + used;
6366         while (*pos == ' ')
6367                 pos++;
6368         dialog_token = atoi(pos);
6369
6370         if (wpa_s->last_gas_resp &&
6371             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
6372             dialog_token == wpa_s->last_gas_dialog_token)
6373                 resp = wpa_s->last_gas_resp;
6374         else if (wpa_s->prev_gas_resp &&
6375                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
6376                  dialog_token == wpa_s->prev_gas_dialog_token)
6377                 resp = wpa_s->prev_gas_resp;
6378         else
6379                 return -1;
6380
6381         resp_len = wpabuf_len(resp);
6382         start = 0;
6383         requested_len = resp_len;
6384
6385         pos = os_strchr(pos, ' ');
6386         if (pos) {
6387                 start = atoi(pos);
6388                 if (start > resp_len)
6389                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6390                 pos = os_strchr(pos, ',');
6391                 if (pos == NULL)
6392                         return -1;
6393                 pos++;
6394                 requested_len = atoi(pos);
6395                 if (start + requested_len > resp_len)
6396                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6397         }
6398
6399         if (requested_len * 2 + 1 > buflen)
6400                 return os_snprintf(buf, buflen, "FAIL-Too long response");
6401
6402         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
6403                                requested_len);
6404
6405         if (start + requested_len == resp_len) {
6406                 /*
6407                  * Free memory by dropping the response after it has been
6408                  * fetched.
6409                  */
6410                 if (resp == wpa_s->prev_gas_resp) {
6411                         wpabuf_free(wpa_s->prev_gas_resp);
6412                         wpa_s->prev_gas_resp = NULL;
6413                 } else {
6414                         wpabuf_free(wpa_s->last_gas_resp);
6415                         wpa_s->last_gas_resp = NULL;
6416                 }
6417         }
6418
6419         return ret;
6420 }
6421 #endif /* CONFIG_INTERWORKING */
6422
6423
6424 #ifdef CONFIG_HS20
6425
6426 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
6427 {
6428         u8 dst_addr[ETH_ALEN];
6429         int used;
6430         char *pos;
6431         u32 subtypes = 0;
6432
6433         used = hwaddr_aton2(dst, dst_addr);
6434         if (used < 0)
6435                 return -1;
6436         pos = dst + used;
6437         if (*pos == ' ')
6438                 pos++;
6439         for (;;) {
6440                 int num = atoi(pos);
6441                 if (num <= 0 || num > 31)
6442                         return -1;
6443                 subtypes |= BIT(num);
6444                 pos = os_strchr(pos + 1, ',');
6445                 if (pos == NULL)
6446                         break;
6447                 pos++;
6448         }
6449
6450         if (subtypes == 0)
6451                 return -1;
6452
6453         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
6454 }
6455
6456
6457 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6458                                     const u8 *addr, const char *realm)
6459 {
6460         u8 *buf;
6461         size_t rlen, len;
6462         int ret;
6463
6464         rlen = os_strlen(realm);
6465         len = 3 + rlen;
6466         buf = os_malloc(len);
6467         if (buf == NULL)
6468                 return -1;
6469         buf[0] = 1; /* NAI Home Realm Count */
6470         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
6471         buf[2] = rlen;
6472         os_memcpy(buf + 3, realm, rlen);
6473
6474         ret = hs20_anqp_send_req(wpa_s, addr,
6475                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6476                                  buf, len);
6477
6478         os_free(buf);
6479
6480         return ret;
6481 }
6482
6483
6484 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6485                                         char *dst)
6486 {
6487         struct wpa_cred *cred = wpa_s->conf->cred;
6488         u8 dst_addr[ETH_ALEN];
6489         int used;
6490         u8 *buf;
6491         size_t len;
6492         int ret;
6493
6494         used = hwaddr_aton2(dst, dst_addr);
6495         if (used < 0)
6496                 return -1;
6497
6498         while (dst[used] == ' ')
6499                 used++;
6500         if (os_strncmp(dst + used, "realm=", 6) == 0)
6501                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
6502                                                 dst + used + 6);
6503
6504         len = os_strlen(dst + used);
6505
6506         if (len == 0 && cred && cred->realm)
6507                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
6508
6509         if (len & 1)
6510                 return -1;
6511         len /= 2;
6512         buf = os_malloc(len);
6513         if (buf == NULL)
6514                 return -1;
6515         if (hexstr2bin(dst + used, buf, len) < 0) {
6516                 os_free(buf);
6517                 return -1;
6518         }
6519
6520         ret = hs20_anqp_send_req(wpa_s, dst_addr,
6521                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6522                                  buf, len);
6523         os_free(buf);
6524
6525         return ret;
6526 }
6527
6528
6529 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
6530 {
6531         u8 dst_addr[ETH_ALEN];
6532         int used;
6533         char *icon;
6534
6535         used = hwaddr_aton2(cmd, dst_addr);
6536         if (used < 0)
6537                 return -1;
6538
6539         while (cmd[used] == ' ')
6540                 used++;
6541         icon = &cmd[used];
6542
6543         wpa_s->fetch_osu_icon_in_progress = 0;
6544         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
6545                                   (u8 *) icon, os_strlen(icon));
6546 }
6547
6548 #endif /* CONFIG_HS20 */
6549
6550
6551 #ifdef CONFIG_AUTOSCAN
6552
6553 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
6554                                               char *cmd)
6555 {
6556         enum wpa_states state = wpa_s->wpa_state;
6557         char *new_params = NULL;
6558
6559         if (os_strlen(cmd) > 0) {
6560                 new_params = os_strdup(cmd);
6561                 if (new_params == NULL)
6562                         return -1;
6563         }
6564
6565         os_free(wpa_s->conf->autoscan);
6566         wpa_s->conf->autoscan = new_params;
6567
6568         if (wpa_s->conf->autoscan == NULL)
6569                 autoscan_deinit(wpa_s);
6570         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
6571                 autoscan_init(wpa_s, 1);
6572         else if (state == WPA_SCANNING)
6573                 wpa_supplicant_reinit_autoscan(wpa_s);
6574
6575         return 0;
6576 }
6577
6578 #endif /* CONFIG_AUTOSCAN */
6579
6580
6581 #ifdef CONFIG_WNM
6582
6583 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
6584 {
6585         int enter;
6586         int intval = 0;
6587         char *pos;
6588         int ret;
6589         struct wpabuf *tfs_req = NULL;
6590
6591         if (os_strncmp(cmd, "enter", 5) == 0)
6592                 enter = 1;
6593         else if (os_strncmp(cmd, "exit", 4) == 0)
6594                 enter = 0;
6595         else
6596                 return -1;
6597
6598         pos = os_strstr(cmd, " interval=");
6599         if (pos)
6600                 intval = atoi(pos + 10);
6601
6602         pos = os_strstr(cmd, " tfs_req=");
6603         if (pos) {
6604                 char *end;
6605                 size_t len;
6606                 pos += 9;
6607                 end = os_strchr(pos, ' ');
6608                 if (end)
6609                         len = end - pos;
6610                 else
6611                         len = os_strlen(pos);
6612                 if (len & 1)
6613                         return -1;
6614                 len /= 2;
6615                 tfs_req = wpabuf_alloc(len);
6616                 if (tfs_req == NULL)
6617                         return -1;
6618                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
6619                         wpabuf_free(tfs_req);
6620                         return -1;
6621                 }
6622         }
6623
6624         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
6625                                            WNM_SLEEP_MODE_EXIT, intval,
6626                                            tfs_req);
6627         wpabuf_free(tfs_req);
6628
6629         return ret;
6630 }
6631
6632
6633 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
6634 {
6635         int query_reason;
6636
6637         query_reason = atoi(cmd);
6638
6639         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
6640                    query_reason);
6641
6642         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
6643 }
6644
6645 #endif /* CONFIG_WNM */
6646
6647
6648 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
6649                                       size_t buflen)
6650 {
6651         struct wpa_signal_info si;
6652         int ret;
6653         char *pos, *end;
6654
6655         ret = wpa_drv_signal_poll(wpa_s, &si);
6656         if (ret)
6657                 return -1;
6658
6659         pos = buf;
6660         end = buf + buflen;
6661
6662         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
6663                           "NOISE=%d\nFREQUENCY=%u\n",
6664                           si.current_signal, si.current_txrate / 1000,
6665                           si.current_noise, si.frequency);
6666         if (os_snprintf_error(end - pos, ret))
6667                 return -1;
6668         pos += ret;
6669
6670         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
6671                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
6672                                   channel_width_to_string(si.chanwidth));
6673                 if (os_snprintf_error(end - pos, ret))
6674                         return -1;
6675                 pos += ret;
6676         }
6677
6678         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
6679                 ret = os_snprintf(pos, end - pos,
6680                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
6681                                   si.center_frq1, si.center_frq2);
6682                 if (os_snprintf_error(end - pos, ret))
6683                         return -1;
6684                 pos += ret;
6685         }
6686
6687         if (si.avg_signal) {
6688                 ret = os_snprintf(pos, end - pos,
6689                                   "AVG_RSSI=%d\n", si.avg_signal);
6690                 if (os_snprintf_error(end - pos, ret))
6691                         return -1;
6692                 pos += ret;
6693         }
6694
6695         if (si.avg_beacon_signal) {
6696                 ret = os_snprintf(pos, end - pos,
6697                                   "AVG_BEACON_RSSI=%d\n", si.avg_beacon_signal);
6698                 if (os_snprintf_error(end - pos, ret))
6699                         return -1;
6700                 pos += ret;
6701         }
6702
6703         return pos - buf;
6704 }
6705
6706
6707 static int wpas_ctrl_iface_get_pref_freq_list(
6708         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
6709 {
6710         unsigned int freq_list[100], num = 100, i;
6711         int ret;
6712         enum wpa_driver_if_type iface_type;
6713         char *pos, *end;
6714
6715         pos = buf;
6716         end = buf + buflen;
6717
6718         /* buf: "<interface_type>" */
6719         if (os_strcmp(cmd, "STATION") == 0)
6720                 iface_type = WPA_IF_STATION;
6721         else if (os_strcmp(cmd, "AP") == 0)
6722                 iface_type = WPA_IF_AP_BSS;
6723         else if (os_strcmp(cmd, "P2P_GO") == 0)
6724                 iface_type = WPA_IF_P2P_GO;
6725         else if (os_strcmp(cmd, "P2P_CLIENT") == 0)
6726                 iface_type = WPA_IF_P2P_CLIENT;
6727         else if (os_strcmp(cmd, "IBSS") == 0)
6728                 iface_type = WPA_IF_IBSS;
6729         else if (os_strcmp(cmd, "TDLS") == 0)
6730                 iface_type = WPA_IF_TDLS;
6731         else
6732                 return -1;
6733
6734         wpa_printf(MSG_DEBUG,
6735                    "CTRL_IFACE: GET_PREF_FREQ_LIST iface_type=%d (%s)",
6736                    iface_type, buf);
6737
6738         ret = wpa_drv_get_pref_freq_list(wpa_s, iface_type, &num, freq_list);
6739         if (ret)
6740                 return -1;
6741
6742         for (i = 0; i < num; i++) {
6743                 ret = os_snprintf(pos, end - pos, "%s%u",
6744                                   i > 0 ? "," : "", freq_list[i]);
6745                 if (os_snprintf_error(end - pos, ret))
6746                         return -1;
6747                 pos += ret;
6748         }
6749
6750         return pos - buf;
6751 }
6752
6753
6754 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
6755                                       size_t buflen)
6756 {
6757         struct hostap_sta_driver_data sta;
6758         int ret;
6759
6760         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
6761         if (ret)
6762                 return -1;
6763
6764         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
6765                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
6766         if (os_snprintf_error(buflen, ret))
6767                 return -1;
6768         return ret;
6769 }
6770
6771
6772 #ifdef ANDROID
6773 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6774                                      char *buf, size_t buflen)
6775 {
6776         int ret;
6777
6778         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
6779         if (ret == 0) {
6780                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
6781                         struct p2p_data *p2p = wpa_s->global->p2p;
6782                         if (p2p) {
6783                                 char country[3];
6784                                 country[0] = cmd[8];
6785                                 country[1] = cmd[9];
6786                                 country[2] = 0x04;
6787                                 p2p_set_country(p2p, country);
6788                         }
6789                 }
6790                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
6791                 if (os_snprintf_error(buflen, ret))
6792                         ret = -1;
6793         }
6794         return ret;
6795 }
6796 #endif /* ANDROID */
6797
6798
6799 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6800                                      char *buf, size_t buflen)
6801 {
6802         int ret;
6803         char *pos;
6804         u8 *data = NULL;
6805         unsigned int vendor_id, subcmd;
6806         struct wpabuf *reply;
6807         size_t data_len = 0;
6808
6809         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
6810         vendor_id = strtoul(cmd, &pos, 16);
6811         if (!isblank(*pos))
6812                 return -EINVAL;
6813
6814         subcmd = strtoul(pos, &pos, 10);
6815
6816         if (*pos != '\0') {
6817                 if (!isblank(*pos++))
6818                         return -EINVAL;
6819                 data_len = os_strlen(pos);
6820         }
6821
6822         if (data_len) {
6823                 data_len /= 2;
6824                 data = os_malloc(data_len);
6825                 if (!data)
6826                         return -1;
6827
6828                 if (hexstr2bin(pos, data, data_len)) {
6829                         wpa_printf(MSG_DEBUG,
6830                                    "Vendor command: wrong parameter format");
6831                         os_free(data);
6832                         return -EINVAL;
6833                 }
6834         }
6835
6836         reply = wpabuf_alloc((buflen - 1) / 2);
6837         if (!reply) {
6838                 os_free(data);
6839                 return -1;
6840         }
6841
6842         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
6843                                  reply);
6844
6845         if (ret == 0)
6846                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
6847                                        wpabuf_len(reply));
6848
6849         wpabuf_free(reply);
6850         os_free(data);
6851
6852         return ret;
6853 }
6854
6855
6856 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
6857 {
6858 #ifdef CONFIG_P2P
6859         struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
6860                 wpa_s->global->p2p_init_wpa_s : wpa_s;
6861 #endif /* CONFIG_P2P */
6862
6863         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
6864
6865         wpas_abort_ongoing_scan(wpa_s);
6866
6867 #ifdef CONFIG_P2P
6868         wpas_p2p_cancel(p2p_wpa_s);
6869         p2p_ctrl_flush(p2p_wpa_s);
6870         wpas_p2p_group_remove(p2p_wpa_s, "*");
6871         wpas_p2p_service_flush(p2p_wpa_s);
6872         p2p_wpa_s->global->p2p_disabled = 0;
6873         p2p_wpa_s->global->p2p_per_sta_psk = 0;
6874         p2p_wpa_s->conf->num_sec_device_types = 0;
6875         p2p_wpa_s->p2p_disable_ip_addr_req = 0;
6876         os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
6877         p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
6878         p2p_wpa_s->global->p2p_go_avoid_freq.num = 0;
6879         p2p_wpa_s->global->pending_p2ps_group = 0;
6880         p2p_wpa_s->global->pending_p2ps_group_freq = 0;
6881 #endif /* CONFIG_P2P */
6882
6883 #ifdef CONFIG_WPS_TESTING
6884         wps_version_number = 0x20;
6885         wps_testing_dummy_cred = 0;
6886         wps_corrupt_pkhash = 0;
6887 #endif /* CONFIG_WPS_TESTING */
6888 #ifdef CONFIG_WPS
6889         wpa_s->wps_fragment_size = 0;
6890         wpas_wps_cancel(wpa_s);
6891         wps_registrar_flush(wpa_s->wps->registrar);
6892 #endif /* CONFIG_WPS */
6893         wpa_s->after_wps = 0;
6894         wpa_s->known_wps_freq = 0;
6895
6896 #ifdef CONFIG_TDLS
6897 #ifdef CONFIG_TDLS_TESTING
6898         extern unsigned int tdls_testing;
6899         tdls_testing = 0;
6900 #endif /* CONFIG_TDLS_TESTING */
6901         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
6902         wpa_tdls_enable(wpa_s->wpa, 1);
6903 #endif /* CONFIG_TDLS */
6904
6905         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
6906         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
6907
6908         wpa_s->no_keep_alive = 0;
6909         wpa_s->own_disconnect_req = 0;
6910
6911         os_free(wpa_s->disallow_aps_bssid);
6912         wpa_s->disallow_aps_bssid = NULL;
6913         wpa_s->disallow_aps_bssid_count = 0;
6914         os_free(wpa_s->disallow_aps_ssid);
6915         wpa_s->disallow_aps_ssid = NULL;
6916         wpa_s->disallow_aps_ssid_count = 0;
6917
6918         wpa_s->set_sta_uapsd = 0;
6919         wpa_s->sta_uapsd = 0;
6920
6921         wpa_drv_radio_disable(wpa_s, 0);
6922         wpa_blacklist_clear(wpa_s);
6923         wpa_s->extra_blacklist_count = 0;
6924         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
6925         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
6926         wpa_config_flush_blobs(wpa_s->conf);
6927         wpa_s->conf->auto_interworking = 0;
6928         wpa_s->conf->okc = 0;
6929
6930         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
6931         rsn_preauth_deinit(wpa_s->wpa);
6932
6933         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
6934         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
6935         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
6936         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
6937
6938         radio_remove_works(wpa_s, NULL, 1);
6939         wpa_s->ext_work_in_progress = 0;
6940
6941         wpa_s->next_ssid = NULL;
6942
6943 #ifdef CONFIG_INTERWORKING
6944 #ifdef CONFIG_HS20
6945         hs20_cancel_fetch_osu(wpa_s);
6946 #endif /* CONFIG_HS20 */
6947 #endif /* CONFIG_INTERWORKING */
6948
6949         wpa_s->ext_mgmt_frame_handling = 0;
6950         wpa_s->ext_eapol_frame_io = 0;
6951 #ifdef CONFIG_TESTING_OPTIONS
6952         wpa_s->extra_roc_dur = 0;
6953         wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
6954         wpa_s->p2p_go_csa_on_inv = 0;
6955         wpa_sm_set_test_assoc_ie(wpa_s->wpa, NULL);
6956 #endif /* CONFIG_TESTING_OPTIONS */
6957
6958         wpa_s->disconnected = 0;
6959         os_free(wpa_s->next_scan_freqs);
6960         wpa_s->next_scan_freqs = NULL;
6961
6962         wpa_bss_flush(wpa_s);
6963         if (!dl_list_empty(&wpa_s->bss)) {
6964                 wpa_printf(MSG_DEBUG,
6965                            "BSS table not empty after flush: %u entries, current_bss=%p bssid="
6966                            MACSTR " pending_bssid=" MACSTR,
6967                            dl_list_len(&wpa_s->bss), wpa_s->current_bss,
6968                            MAC2STR(wpa_s->bssid),
6969                            MAC2STR(wpa_s->pending_bssid));
6970         }
6971
6972         eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
6973         wpa_s->wnmsleep_used = 0;
6974 }
6975
6976
6977 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
6978                                      char *buf, size_t buflen)
6979 {
6980         struct wpa_radio_work *work;
6981         char *pos, *end;
6982         struct os_reltime now, diff;
6983
6984         pos = buf;
6985         end = buf + buflen;
6986
6987         os_get_reltime(&now);
6988
6989         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6990         {
6991                 int ret;
6992
6993                 os_reltime_sub(&now, &work->time, &diff);
6994                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
6995                                   work->type, work->wpa_s->ifname, work->freq,
6996                                   work->started, diff.sec, diff.usec);
6997                 if (os_snprintf_error(end - pos, ret))
6998                         break;
6999                 pos += ret;
7000         }
7001
7002         return pos - buf;
7003 }
7004
7005
7006 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
7007 {
7008         struct wpa_radio_work *work = eloop_ctx;
7009         struct wpa_external_work *ework = work->ctx;
7010
7011         wpa_dbg(work->wpa_s, MSG_DEBUG,
7012                 "Timing out external radio work %u (%s)",
7013                 ework->id, work->type);
7014         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
7015         work->wpa_s->ext_work_in_progress = 0;
7016         radio_work_done(work);
7017         os_free(ework);
7018 }
7019
7020
7021 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
7022 {
7023         struct wpa_external_work *ework = work->ctx;
7024
7025         if (deinit) {
7026                 if (work->started)
7027                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
7028                                              work, NULL);
7029
7030                 os_free(ework);
7031                 return;
7032         }
7033
7034         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
7035                 ework->id, ework->type);
7036         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
7037         work->wpa_s->ext_work_in_progress = 1;
7038         if (!ework->timeout)
7039                 ework->timeout = 10;
7040         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
7041                                work, NULL);
7042 }
7043
7044
7045 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
7046                                     char *buf, size_t buflen)
7047 {
7048         struct wpa_external_work *ework;
7049         char *pos, *pos2;
7050         size_t type_len;
7051         int ret;
7052         unsigned int freq = 0;
7053
7054         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
7055
7056         ework = os_zalloc(sizeof(*ework));
7057         if (ework == NULL)
7058                 return -1;
7059
7060         pos = os_strchr(cmd, ' ');
7061         if (pos) {
7062                 type_len = pos - cmd;
7063                 pos++;
7064
7065                 pos2 = os_strstr(pos, "freq=");
7066                 if (pos2)
7067                         freq = atoi(pos2 + 5);
7068
7069                 pos2 = os_strstr(pos, "timeout=");
7070                 if (pos2)
7071                         ework->timeout = atoi(pos2 + 8);
7072         } else {
7073                 type_len = os_strlen(cmd);
7074         }
7075         if (4 + type_len >= sizeof(ework->type))
7076                 type_len = sizeof(ework->type) - 4 - 1;
7077         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
7078         os_memcpy(ework->type + 4, cmd, type_len);
7079         ework->type[4 + type_len] = '\0';
7080
7081         wpa_s->ext_work_id++;
7082         if (wpa_s->ext_work_id == 0)
7083                 wpa_s->ext_work_id++;
7084         ework->id = wpa_s->ext_work_id;
7085
7086         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
7087                            ework) < 0) {
7088                 os_free(ework);
7089                 return -1;
7090         }
7091
7092         ret = os_snprintf(buf, buflen, "%u", ework->id);
7093         if (os_snprintf_error(buflen, ret))
7094                 return -1;
7095         return ret;
7096 }
7097
7098
7099 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
7100 {
7101         struct wpa_radio_work *work;
7102         unsigned int id = atoi(cmd);
7103
7104         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
7105         {
7106                 struct wpa_external_work *ework;
7107
7108                 if (os_strncmp(work->type, "ext:", 4) != 0)
7109                         continue;
7110                 ework = work->ctx;
7111                 if (id && ework->id != id)
7112                         continue;
7113                 wpa_dbg(wpa_s, MSG_DEBUG,
7114                         "Completed external radio work %u (%s)",
7115                         ework->id, ework->type);
7116                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
7117                 wpa_s->ext_work_in_progress = 0;
7118                 radio_work_done(work);
7119                 os_free(ework);
7120                 return 3; /* "OK\n" */
7121         }
7122
7123         return -1;
7124 }
7125
7126
7127 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
7128                                 char *buf, size_t buflen)
7129 {
7130         if (os_strcmp(cmd, "show") == 0)
7131                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
7132         if (os_strncmp(cmd, "add ", 4) == 0)
7133                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
7134         if (os_strncmp(cmd, "done ", 5) == 0)
7135                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
7136         return -1;
7137 }
7138
7139
7140 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
7141 {
7142         struct wpa_radio_work *work, *tmp;
7143
7144         if (!wpa_s || !wpa_s->radio)
7145                 return;
7146
7147         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
7148                               struct wpa_radio_work, list) {
7149                 struct wpa_external_work *ework;
7150
7151                 if (os_strncmp(work->type, "ext:", 4) != 0)
7152                         continue;
7153                 ework = work->ctx;
7154                 wpa_dbg(wpa_s, MSG_DEBUG,
7155                         "Flushing%s external radio work %u (%s)",
7156                         work->started ? " started" : "", ework->id,
7157                         ework->type);
7158                 if (work->started)
7159                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
7160                                              work, NULL);
7161                 radio_work_done(work);
7162                 os_free(ework);
7163         }
7164 }
7165
7166
7167 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
7168 {
7169         struct wpa_supplicant *wpa_s = eloop_ctx;
7170         eapol_sm_notify_ctrl_response(wpa_s->eapol);
7171 }
7172
7173
7174 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
7175                               unsigned int *scan_id_count, int scan_id[])
7176 {
7177         const char *pos = value;
7178
7179         while (pos) {
7180                 if (*pos == ' ' || *pos == '\0')
7181                         break;
7182                 if (*scan_id_count == MAX_SCAN_ID)
7183                         return -1;
7184                 scan_id[(*scan_id_count)++] = atoi(pos);
7185                 pos = os_strchr(pos, ',');
7186                 if (pos)
7187                         pos++;
7188         }
7189
7190         return 0;
7191 }
7192
7193
7194 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
7195                            char *reply, int reply_size, int *reply_len)
7196 {
7197         char *pos;
7198         unsigned int manual_scan_passive = 0;
7199         unsigned int manual_scan_use_id = 0;
7200         unsigned int manual_scan_only_new = 0;
7201         unsigned int scan_only = 0;
7202         unsigned int scan_id_count = 0;
7203         int scan_id[MAX_SCAN_ID];
7204         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
7205                                  struct wpa_scan_results *scan_res);
7206         int *manual_scan_freqs = NULL;
7207         struct wpa_ssid_value *ssid = NULL, *ns;
7208         unsigned int ssid_count = 0;
7209
7210         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
7211                 *reply_len = -1;
7212                 return;
7213         }
7214
7215         if (radio_work_pending(wpa_s, "scan")) {
7216                 wpa_printf(MSG_DEBUG,
7217                            "Pending scan scheduled - reject new request");
7218                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7219                 return;
7220         }
7221
7222 #ifdef CONFIG_INTERWORKING
7223         if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) {
7224                 wpa_printf(MSG_DEBUG,
7225                            "Interworking select in progress - reject new scan");
7226                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7227                 return;
7228         }
7229 #endif /* CONFIG_INTERWORKING */
7230
7231         if (params) {
7232                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
7233                         scan_only = 1;
7234
7235                 pos = os_strstr(params, "freq=");
7236                 if (pos) {
7237                         manual_scan_freqs = freq_range_to_channel_list(wpa_s,
7238                                                                        pos + 5);
7239                         if (manual_scan_freqs == NULL) {
7240                                 *reply_len = -1;
7241                                 goto done;
7242                         }
7243                 }
7244
7245                 pos = os_strstr(params, "passive=");
7246                 if (pos)
7247                         manual_scan_passive = !!atoi(pos + 8);
7248
7249                 pos = os_strstr(params, "use_id=");
7250                 if (pos)
7251                         manual_scan_use_id = atoi(pos + 7);
7252
7253                 pos = os_strstr(params, "only_new=1");
7254                 if (pos)
7255                         manual_scan_only_new = 1;
7256
7257                 pos = os_strstr(params, "scan_id=");
7258                 if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
7259                                               scan_id) < 0) {
7260                         *reply_len = -1;
7261                         goto done;
7262                 }
7263
7264                 pos = params;
7265                 while (pos && *pos != '\0') {
7266                         if (os_strncmp(pos, "ssid ", 5) == 0) {
7267                                 char *end;
7268
7269                                 pos += 5;
7270                                 end = pos;
7271                                 while (*end) {
7272                                         if (*end == '\0' || *end == ' ')
7273                                                 break;
7274                                         end++;
7275                                 }
7276
7277                                 ns = os_realloc_array(
7278                                         ssid, ssid_count + 1,
7279                                         sizeof(struct wpa_ssid_value));
7280                                 if (ns == NULL) {
7281                                         *reply_len = -1;
7282                                         goto done;
7283                                 }
7284                                 ssid = ns;
7285
7286                                 if ((end - pos) & 0x01 ||
7287                                     end - pos > 2 * SSID_MAX_LEN ||
7288                                     hexstr2bin(pos, ssid[ssid_count].ssid,
7289                                                (end - pos) / 2) < 0) {
7290                                         wpa_printf(MSG_DEBUG,
7291                                                    "Invalid SSID value '%s'",
7292                                                    pos);
7293                                         *reply_len = -1;
7294                                         goto done;
7295                                 }
7296                                 ssid[ssid_count].ssid_len = (end - pos) / 2;
7297                                 wpa_hexdump_ascii(MSG_DEBUG, "scan SSID",
7298                                                   ssid[ssid_count].ssid,
7299                                                   ssid[ssid_count].ssid_len);
7300                                 ssid_count++;
7301                                 pos = end;
7302                         }
7303
7304                         pos = os_strchr(pos, ' ');
7305                         if (pos)
7306                                 pos++;
7307                 }
7308         }
7309
7310         wpa_s->num_ssids_from_scan_req = ssid_count;
7311         os_free(wpa_s->ssids_from_scan_req);
7312         if (ssid_count) {
7313                 wpa_s->ssids_from_scan_req = ssid;
7314                 ssid = NULL;
7315         } else {
7316                 wpa_s->ssids_from_scan_req = NULL;
7317         }
7318
7319         if (scan_only)
7320                 scan_res_handler = scan_only_handler;
7321         else if (wpa_s->scan_res_handler == scan_only_handler)
7322                 scan_res_handler = NULL;
7323         else
7324                 scan_res_handler = wpa_s->scan_res_handler;
7325
7326         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
7327             ((wpa_s->wpa_state <= WPA_SCANNING) ||
7328              (wpa_s->wpa_state == WPA_COMPLETED))) {
7329                 wpa_s->manual_scan_passive = manual_scan_passive;
7330                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7331                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7332                 wpa_s->scan_id_count = scan_id_count;
7333                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7334                 wpa_s->scan_res_handler = scan_res_handler;
7335                 os_free(wpa_s->manual_scan_freqs);
7336                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7337                 manual_scan_freqs = NULL;
7338
7339                 wpa_s->normal_scans = 0;
7340                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7341                 wpa_s->after_wps = 0;
7342                 wpa_s->known_wps_freq = 0;
7343                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7344                 if (wpa_s->manual_scan_use_id) {
7345                         wpa_s->manual_scan_id++;
7346                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7347                                 wpa_s->manual_scan_id);
7348                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7349                                                  wpa_s->manual_scan_id);
7350                 }
7351         } else if (wpa_s->sched_scanning) {
7352                 wpa_s->manual_scan_passive = manual_scan_passive;
7353                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7354                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7355                 wpa_s->scan_id_count = scan_id_count;
7356                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7357                 wpa_s->scan_res_handler = scan_res_handler;
7358                 os_free(wpa_s->manual_scan_freqs);
7359                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7360                 manual_scan_freqs = NULL;
7361
7362                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
7363                 wpa_supplicant_cancel_sched_scan(wpa_s);
7364                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7365                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7366                 if (wpa_s->manual_scan_use_id) {
7367                         wpa_s->manual_scan_id++;
7368                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7369                                                  wpa_s->manual_scan_id);
7370                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7371                                 wpa_s->manual_scan_id);
7372                 }
7373         } else {
7374                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
7375                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7376         }
7377
7378 done:
7379         os_free(manual_scan_freqs);
7380         os_free(ssid);
7381 }
7382
7383
7384 #ifdef CONFIG_TESTING_OPTIONS
7385
7386 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
7387                                        unsigned int freq, const u8 *dst,
7388                                        const u8 *src, const u8 *bssid,
7389                                        const u8 *data, size_t data_len,
7390                                        enum offchannel_send_action_result
7391                                        result)
7392 {
7393         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
7394                 " src=" MACSTR " bssid=" MACSTR " result=%s",
7395                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
7396                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
7397                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
7398                              "NO_ACK" : "FAILED"));
7399 }
7400
7401
7402 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
7403 {
7404         char *pos, *param;
7405         size_t len;
7406         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
7407         int res, used;
7408         int freq = 0, no_cck = 0, wait_time = 0;
7409
7410         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
7411          *    <action=Action frame payload> */
7412
7413         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
7414
7415         pos = cmd;
7416         used = hwaddr_aton2(pos, da);
7417         if (used < 0)
7418                 return -1;
7419         pos += used;
7420         while (*pos == ' ')
7421                 pos++;
7422         used = hwaddr_aton2(pos, bssid);
7423         if (used < 0)
7424                 return -1;
7425         pos += used;
7426
7427         param = os_strstr(pos, " freq=");
7428         if (param) {
7429                 param += 6;
7430                 freq = atoi(param);
7431         }
7432
7433         param = os_strstr(pos, " no_cck=");
7434         if (param) {
7435                 param += 8;
7436                 no_cck = atoi(param);
7437         }
7438
7439         param = os_strstr(pos, " wait_time=");
7440         if (param) {
7441                 param += 11;
7442                 wait_time = atoi(param);
7443         }
7444
7445         param = os_strstr(pos, " action=");
7446         if (param == NULL)
7447                 return -1;
7448         param += 8;
7449
7450         len = os_strlen(param);
7451         if (len & 1)
7452                 return -1;
7453         len /= 2;
7454
7455         buf = os_malloc(len);
7456         if (buf == NULL)
7457                 return -1;
7458
7459         if (hexstr2bin(param, buf, len) < 0) {
7460                 os_free(buf);
7461                 return -1;
7462         }
7463
7464         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
7465                                      buf, len, wait_time,
7466                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
7467         os_free(buf);
7468         return res;
7469 }
7470
7471
7472 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
7473 {
7474         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
7475         offchannel_send_action_done(wpa_s);
7476 }
7477
7478
7479 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
7480 {
7481         char *pos, *param;
7482         union wpa_event_data event;
7483         enum wpa_event_type ev;
7484
7485         /* <event name> [parameters..] */
7486
7487         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
7488
7489         pos = cmd;
7490         param = os_strchr(pos, ' ');
7491         if (param)
7492                 *param++ = '\0';
7493
7494         os_memset(&event, 0, sizeof(event));
7495
7496         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
7497                 ev = EVENT_INTERFACE_ENABLED;
7498         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
7499                 ev = EVENT_INTERFACE_DISABLED;
7500         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
7501                 ev = EVENT_AVOID_FREQUENCIES;
7502                 if (param == NULL)
7503                         param = "";
7504                 if (freq_range_list_parse(&event.freq_range, param) < 0)
7505                         return -1;
7506                 wpa_supplicant_event(wpa_s, ev, &event);
7507                 os_free(event.freq_range.range);
7508                 return 0;
7509         } else {
7510                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
7511                         cmd);
7512                 return -1;
7513         }
7514
7515         wpa_supplicant_event(wpa_s, ev, &event);
7516
7517         return 0;
7518 }
7519
7520
7521 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
7522 {
7523         char *pos;
7524         u8 src[ETH_ALEN], *buf;
7525         int used;
7526         size_t len;
7527
7528         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
7529
7530         pos = cmd;
7531         used = hwaddr_aton2(pos, src);
7532         if (used < 0)
7533                 return -1;
7534         pos += used;
7535         while (*pos == ' ')
7536                 pos++;
7537
7538         len = os_strlen(pos);
7539         if (len & 1)
7540                 return -1;
7541         len /= 2;
7542
7543         buf = os_malloc(len);
7544         if (buf == NULL)
7545                 return -1;
7546
7547         if (hexstr2bin(pos, buf, len) < 0) {
7548                 os_free(buf);
7549                 return -1;
7550         }
7551
7552         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
7553         os_free(buf);
7554
7555         return 0;
7556 }
7557
7558
7559 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
7560 {
7561         size_t i;
7562         u32 sum = 0;
7563         const u16 *pos = buf;
7564
7565         for (i = 0; i < len / 2; i++)
7566                 sum += *pos++;
7567
7568         while (sum >> 16)
7569                 sum = (sum & 0xffff) + (sum >> 16);
7570
7571         return sum ^ 0xffff;
7572 }
7573
7574
7575 #define HWSIM_PACKETLEN 1500
7576 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
7577
7578 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
7579 {
7580         struct wpa_supplicant *wpa_s = ctx;
7581         const struct ether_header *eth;
7582         struct iphdr ip;
7583         const u8 *pos;
7584         unsigned int i;
7585
7586         if (len != HWSIM_PACKETLEN)
7587                 return;
7588
7589         eth = (const struct ether_header *) buf;
7590         os_memcpy(&ip, eth + 1, sizeof(ip));
7591         pos = &buf[sizeof(*eth) + sizeof(ip)];
7592
7593         if (ip.ihl != 5 || ip.version != 4 ||
7594             ntohs(ip.tot_len) != HWSIM_IP_LEN)
7595                 return;
7596
7597         for (i = 0; i < HWSIM_IP_LEN - sizeof(ip); i++) {
7598                 if (*pos != (u8) i)
7599                         return;
7600                 pos++;
7601         }
7602
7603         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
7604                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
7605 }
7606
7607
7608 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
7609                                             char *cmd)
7610 {
7611         int enabled = atoi(cmd);
7612
7613         if (!enabled) {
7614                 if (wpa_s->l2_test) {
7615                         l2_packet_deinit(wpa_s->l2_test);
7616                         wpa_s->l2_test = NULL;
7617                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
7618                 }
7619                 return 0;
7620         }
7621
7622         if (wpa_s->l2_test)
7623                 return 0;
7624
7625         wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
7626                                         ETHERTYPE_IP, wpas_data_test_rx,
7627                                         wpa_s, 1);
7628         if (wpa_s->l2_test == NULL)
7629                 return -1;
7630
7631         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
7632
7633         return 0;
7634 }
7635
7636
7637 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
7638 {
7639         u8 dst[ETH_ALEN], src[ETH_ALEN];
7640         char *pos;
7641         int used;
7642         long int val;
7643         u8 tos;
7644         u8 buf[2 + HWSIM_PACKETLEN];
7645         struct ether_header *eth;
7646         struct iphdr *ip;
7647         u8 *dpos;
7648         unsigned int i;
7649
7650         if (wpa_s->l2_test == NULL)
7651                 return -1;
7652
7653         /* format: <dst> <src> <tos> */
7654
7655         pos = cmd;
7656         used = hwaddr_aton2(pos, dst);
7657         if (used < 0)
7658                 return -1;
7659         pos += used;
7660         while (*pos == ' ')
7661                 pos++;
7662         used = hwaddr_aton2(pos, src);
7663         if (used < 0)
7664                 return -1;
7665         pos += used;
7666
7667         val = strtol(pos, NULL, 0);
7668         if (val < 0 || val > 0xff)
7669                 return -1;
7670         tos = val;
7671
7672         eth = (struct ether_header *) &buf[2];
7673         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
7674         os_memcpy(eth->ether_shost, src, ETH_ALEN);
7675         eth->ether_type = htons(ETHERTYPE_IP);
7676         ip = (struct iphdr *) (eth + 1);
7677         os_memset(ip, 0, sizeof(*ip));
7678         ip->ihl = 5;
7679         ip->version = 4;
7680         ip->ttl = 64;
7681         ip->tos = tos;
7682         ip->tot_len = htons(HWSIM_IP_LEN);
7683         ip->protocol = 1;
7684         ip->saddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 1);
7685         ip->daddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 2);
7686         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
7687         dpos = (u8 *) (ip + 1);
7688         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
7689                 *dpos++ = i;
7690
7691         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, &buf[2],
7692                            HWSIM_PACKETLEN) < 0)
7693                 return -1;
7694
7695         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
7696                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
7697
7698         return 0;
7699 }
7700
7701
7702 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
7703                                            char *cmd)
7704 {
7705         u8 *buf;
7706         struct ether_header *eth;
7707         struct l2_packet_data *l2 = NULL;
7708         size_t len;
7709         u16 ethertype;
7710         int res = -1;
7711
7712         len = os_strlen(cmd);
7713         if (len & 1 || len < ETH_HLEN * 2)
7714                 return -1;
7715         len /= 2;
7716
7717         buf = os_malloc(len);
7718         if (buf == NULL)
7719                 return -1;
7720
7721         if (hexstr2bin(cmd, buf, len) < 0)
7722                 goto done;
7723
7724         eth = (struct ether_header *) buf;
7725         ethertype = ntohs(eth->ether_type);
7726
7727         l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
7728                             wpas_data_test_rx, wpa_s, 1);
7729         if (l2 == NULL)
7730                 goto done;
7731
7732         res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
7733         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
7734 done:
7735         if (l2)
7736                 l2_packet_deinit(l2);
7737         os_free(buf);
7738
7739         return res < 0 ? -1 : 0;
7740 }
7741
7742
7743 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
7744 {
7745 #ifdef WPA_TRACE_BFD
7746         extern char wpa_trace_fail_func[256];
7747         extern unsigned int wpa_trace_fail_after;
7748         char *pos;
7749
7750         wpa_trace_fail_after = atoi(cmd);
7751         pos = os_strchr(cmd, ':');
7752         if (pos) {
7753                 pos++;
7754                 os_strlcpy(wpa_trace_fail_func, pos,
7755                            sizeof(wpa_trace_fail_func));
7756         } else {
7757                 wpa_trace_fail_after = 0;
7758         }
7759         return 0;
7760 #else /* WPA_TRACE_BFD */
7761         return -1;
7762 #endif /* WPA_TRACE_BFD */
7763 }
7764
7765
7766 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
7767                                     char *buf, size_t buflen)
7768 {
7769 #ifdef WPA_TRACE_BFD
7770         extern char wpa_trace_fail_func[256];
7771         extern unsigned int wpa_trace_fail_after;
7772
7773         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
7774                            wpa_trace_fail_func);
7775 #else /* WPA_TRACE_BFD */
7776         return -1;
7777 #endif /* WPA_TRACE_BFD */
7778 }
7779
7780
7781 static int wpas_ctrl_test_fail(struct wpa_supplicant *wpa_s, char *cmd)
7782 {
7783 #ifdef WPA_TRACE_BFD
7784         extern char wpa_trace_test_fail_func[256];
7785         extern unsigned int wpa_trace_test_fail_after;
7786         char *pos;
7787
7788         wpa_trace_test_fail_after = atoi(cmd);
7789         pos = os_strchr(cmd, ':');
7790         if (pos) {
7791                 pos++;
7792                 os_strlcpy(wpa_trace_test_fail_func, pos,
7793                            sizeof(wpa_trace_test_fail_func));
7794         } else {
7795                 wpa_trace_test_fail_after = 0;
7796         }
7797         return 0;
7798 #else /* WPA_TRACE_BFD */
7799         return -1;
7800 #endif /* WPA_TRACE_BFD */
7801 }
7802
7803
7804 static int wpas_ctrl_get_fail(struct wpa_supplicant *wpa_s,
7805                                     char *buf, size_t buflen)
7806 {
7807 #ifdef WPA_TRACE_BFD
7808         extern char wpa_trace_test_fail_func[256];
7809         extern unsigned int wpa_trace_test_fail_after;
7810
7811         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_test_fail_after,
7812                            wpa_trace_test_fail_func);
7813 #else /* WPA_TRACE_BFD */
7814         return -1;
7815 #endif /* WPA_TRACE_BFD */
7816 }
7817
7818
7819 static void wpas_ctrl_event_test_cb(void *eloop_ctx, void *timeout_ctx)
7820 {
7821         struct wpa_supplicant *wpa_s = eloop_ctx;
7822         int i, count = (intptr_t) timeout_ctx;
7823
7824         wpa_printf(MSG_DEBUG, "TEST: Send %d control interface event messages",
7825                    count);
7826         for (i = 0; i < count; i++) {
7827                 wpa_msg_ctrl(wpa_s, MSG_INFO, "TEST-EVENT-MESSAGE %d/%d",
7828                              i + 1, count);
7829         }
7830 }
7831
7832
7833 static int wpas_ctrl_event_test(struct wpa_supplicant *wpa_s, const char *cmd)
7834 {
7835         int count;
7836
7837         count = atoi(cmd);
7838         if (count <= 0)
7839                 return -1;
7840
7841         return eloop_register_timeout(0, 0, wpas_ctrl_event_test_cb, wpa_s,
7842                                       (void *) (intptr_t) count);
7843 }
7844
7845
7846 static int wpas_ctrl_test_assoc_ie(struct wpa_supplicant *wpa_s,
7847                                    const char *cmd)
7848 {
7849         struct wpabuf *buf;
7850         size_t len;
7851
7852         len = os_strlen(cmd);
7853         if (len & 1)
7854                 return -1;
7855         len /= 2;
7856
7857         if (len == 0) {
7858                 buf = NULL;
7859         } else {
7860                 buf = wpabuf_alloc(len);
7861                 if (buf == NULL)
7862                         return -1;
7863
7864                 if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
7865                         wpabuf_free(buf);
7866                         return -1;
7867                 }
7868         }
7869
7870         wpa_sm_set_test_assoc_ie(wpa_s->wpa, buf);
7871         return 0;
7872 }
7873
7874 #endif /* CONFIG_TESTING_OPTIONS */
7875
7876
7877 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
7878 {
7879         char *pos = cmd;
7880         int frame;
7881         size_t len;
7882         struct wpabuf *buf;
7883         struct ieee802_11_elems elems;
7884
7885         frame = atoi(pos);
7886         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7887                 return -1;
7888         wpa_s = wpas_vendor_elem(wpa_s, frame);
7889
7890         pos = os_strchr(pos, ' ');
7891         if (pos == NULL)
7892                 return -1;
7893         pos++;
7894
7895         len = os_strlen(pos);
7896         if (len == 0)
7897                 return 0;
7898         if (len & 1)
7899                 return -1;
7900         len /= 2;
7901
7902         buf = wpabuf_alloc(len);
7903         if (buf == NULL)
7904                 return -1;
7905
7906         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
7907                 wpabuf_free(buf);
7908                 return -1;
7909         }
7910
7911         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
7912             ParseFailed) {
7913                 wpabuf_free(buf);
7914                 return -1;
7915         }
7916
7917         if (wpa_s->vendor_elem[frame] == NULL) {
7918                 wpa_s->vendor_elem[frame] = buf;
7919                 wpas_vendor_elem_update(wpa_s);
7920                 return 0;
7921         }
7922
7923         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
7924                 wpabuf_free(buf);
7925                 return -1;
7926         }
7927
7928         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
7929         wpabuf_free(buf);
7930         wpas_vendor_elem_update(wpa_s);
7931
7932         return 0;
7933 }
7934
7935
7936 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
7937                                      char *buf, size_t buflen)
7938 {
7939         int frame = atoi(cmd);
7940
7941         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7942                 return -1;
7943         wpa_s = wpas_vendor_elem(wpa_s, frame);
7944
7945         if (wpa_s->vendor_elem[frame] == NULL)
7946                 return 0;
7947
7948         return wpa_snprintf_hex(buf, buflen,
7949                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
7950                                 wpabuf_len(wpa_s->vendor_elem[frame]));
7951 }
7952
7953
7954 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
7955 {
7956         char *pos = cmd;
7957         int frame;
7958         size_t len;
7959         u8 *buf;
7960         struct ieee802_11_elems elems;
7961         int res;
7962
7963         frame = atoi(pos);
7964         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7965                 return -1;
7966         wpa_s = wpas_vendor_elem(wpa_s, frame);
7967
7968         pos = os_strchr(pos, ' ');
7969         if (pos == NULL)
7970                 return -1;
7971         pos++;
7972
7973         if (*pos == '*') {
7974                 wpabuf_free(wpa_s->vendor_elem[frame]);
7975                 wpa_s->vendor_elem[frame] = NULL;
7976                 wpas_vendor_elem_update(wpa_s);
7977                 return 0;
7978         }
7979
7980         if (wpa_s->vendor_elem[frame] == NULL)
7981                 return -1;
7982
7983         len = os_strlen(pos);
7984         if (len == 0)
7985                 return 0;
7986         if (len & 1)
7987                 return -1;
7988         len /= 2;
7989
7990         buf = os_malloc(len);
7991         if (buf == NULL)
7992                 return -1;
7993
7994         if (hexstr2bin(pos, buf, len) < 0) {
7995                 os_free(buf);
7996                 return -1;
7997         }
7998
7999         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
8000                 os_free(buf);
8001                 return -1;
8002         }
8003
8004         res = wpas_vendor_elem_remove(wpa_s, frame, buf, len);
8005         os_free(buf);
8006         return res;
8007 }
8008
8009
8010 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
8011 {
8012         struct wpa_supplicant *wpa_s = ctx;
8013
8014         if (neighbor_rep) {
8015                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
8016                              "length=%u",
8017                              (unsigned int) wpabuf_len(neighbor_rep));
8018                 wpabuf_free(neighbor_rep);
8019         } else {
8020                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
8021         }
8022 }
8023
8024
8025 static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s,
8026                                             char *cmd)
8027 {
8028         struct wpa_ssid ssid;
8029         struct wpa_ssid *ssid_p = NULL;
8030         int ret = 0;
8031
8032         if (os_strncmp(cmd, " ssid=", 6) == 0) {
8033                 ssid.ssid_len = os_strlen(cmd + 6);
8034                 if (ssid.ssid_len > SSID_MAX_LEN)
8035                         return -1;
8036                 ssid.ssid = (u8 *) (cmd + 6);
8037                 ssid_p = &ssid;
8038         }
8039
8040         ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p,
8041                                                  wpas_ctrl_neighbor_rep_cb,
8042                                                  wpa_s);
8043
8044         return ret;
8045 }
8046
8047
8048 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
8049 {
8050         eapol_sm_erp_flush(wpa_s->eapol);
8051         return 0;
8052 }
8053
8054
8055 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
8056                                          char *cmd)
8057 {
8058         char *token, *context = NULL;
8059         unsigned int enable = ~0, type = 0;
8060         u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
8061         u8 *addr = NULL, *mask = NULL;
8062
8063         while ((token = str_token(cmd, " ", &context))) {
8064                 if (os_strcasecmp(token, "scan") == 0) {
8065                         type |= MAC_ADDR_RAND_SCAN;
8066                 } else if (os_strcasecmp(token, "sched") == 0) {
8067                         type |= MAC_ADDR_RAND_SCHED_SCAN;
8068                 } else if (os_strcasecmp(token, "pno") == 0) {
8069                         type |= MAC_ADDR_RAND_PNO;
8070                 } else if (os_strcasecmp(token, "all") == 0) {
8071                         type = wpa_s->mac_addr_rand_supported;
8072                 } else if (os_strncasecmp(token, "enable=", 7) == 0) {
8073                         enable = atoi(token + 7);
8074                 } else if (os_strncasecmp(token, "addr=", 5) == 0) {
8075                         addr = _addr;
8076                         if (hwaddr_aton(token + 5, addr)) {
8077                                 wpa_printf(MSG_INFO,
8078                                            "CTRL: Invalid MAC address: %s",
8079                                            token);
8080                                 return -1;
8081                         }
8082                 } else if (os_strncasecmp(token, "mask=", 5) == 0) {
8083                         mask = _mask;
8084                         if (hwaddr_aton(token + 5, mask)) {
8085                                 wpa_printf(MSG_INFO,
8086                                            "CTRL: Invalid MAC address mask: %s",
8087                                            token);
8088                                 return -1;
8089                         }
8090                 } else {
8091                         wpa_printf(MSG_INFO,
8092                                    "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
8093                                    token);
8094                         return -1;
8095                 }
8096         }
8097
8098         if (!type) {
8099                 wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
8100                 return -1;
8101         }
8102
8103         if ((wpa_s->mac_addr_rand_supported & type) != type) {
8104                 wpa_printf(MSG_INFO,
8105                            "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
8106                            type, wpa_s->mac_addr_rand_supported);
8107                 return -1;
8108         }
8109
8110         if (enable > 1) {
8111                 wpa_printf(MSG_INFO,
8112                            "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
8113                 return -1;
8114         }
8115
8116         if (!enable) {
8117                 wpas_mac_addr_rand_scan_clear(wpa_s, type);
8118                 if (wpa_s->pno) {
8119                         if (type & MAC_ADDR_RAND_PNO) {
8120                                 wpas_stop_pno(wpa_s);
8121                                 wpas_start_pno(wpa_s);
8122                         }
8123                 } else if (wpa_s->sched_scanning &&
8124                            (type & MAC_ADDR_RAND_SCHED_SCAN)) {
8125                         /* simulate timeout to restart the sched scan */
8126                         wpa_s->sched_scan_timed_out = 1;
8127                         wpa_s->prev_sched_ssid = NULL;
8128                         wpa_supplicant_cancel_sched_scan(wpa_s);
8129                 }
8130                 return 0;
8131         }
8132
8133         if ((addr && !mask) || (!addr && mask)) {
8134                 wpa_printf(MSG_INFO,
8135                            "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
8136                 return -1;
8137         }
8138
8139         if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
8140                 wpa_printf(MSG_INFO,
8141                            "CTRL: MAC_RAND_SCAN cannot allow multicast address");
8142                 return -1;
8143         }
8144
8145         if (type & MAC_ADDR_RAND_SCAN) {
8146                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
8147                                             addr, mask);
8148         }
8149
8150         if (type & MAC_ADDR_RAND_SCHED_SCAN) {
8151                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
8152                                             addr, mask);
8153
8154                 if (wpa_s->sched_scanning && !wpa_s->pno) {
8155                         /* simulate timeout to restart the sched scan */
8156                         wpa_s->sched_scan_timed_out = 1;
8157                         wpa_s->prev_sched_ssid = NULL;
8158                         wpa_supplicant_cancel_sched_scan(wpa_s);
8159                 }
8160         }
8161
8162         if (type & MAC_ADDR_RAND_PNO) {
8163                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
8164                                             addr, mask);
8165                 if (wpa_s->pno) {
8166                         wpas_stop_pno(wpa_s);
8167                         wpas_start_pno(wpa_s);
8168                 }
8169         }
8170
8171         return 0;
8172 }
8173
8174
8175 static int wpas_ctrl_cmd_debug_level(const char *cmd)
8176 {
8177         if (os_strcmp(cmd, "PING") == 0 ||
8178             os_strncmp(cmd, "BSS ", 4) == 0 ||
8179             os_strncmp(cmd, "GET_NETWORK ", 12) == 0 ||
8180             os_strncmp(cmd, "STATUS", 6) == 0 ||
8181             os_strncmp(cmd, "STA ", 4) == 0 ||
8182             os_strncmp(cmd, "STA-", 4) == 0)
8183                 return MSG_EXCESSIVE;
8184         return MSG_DEBUG;
8185 }
8186
8187
8188 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
8189                                          char *buf, size_t *resp_len)
8190 {
8191         char *reply;
8192         const int reply_size = 4096;
8193         int reply_len;
8194
8195         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
8196             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8197                 if (wpa_debug_show_keys)
8198                         wpa_dbg(wpa_s, MSG_DEBUG,
8199                                 "Control interface command '%s'", buf);
8200                 else
8201                         wpa_dbg(wpa_s, MSG_DEBUG,
8202                                 "Control interface command '%s [REMOVED]'",
8203                                 os_strncmp(buf, WPA_CTRL_RSP,
8204                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
8205                                 WPA_CTRL_RSP : "SET_NETWORK");
8206         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
8207                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
8208                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
8209                                       (const u8 *) buf, os_strlen(buf));
8210         } else {
8211                 int level = wpas_ctrl_cmd_debug_level(buf);
8212                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
8213         }
8214
8215         reply = os_malloc(reply_size);
8216         if (reply == NULL) {
8217                 *resp_len = 1;
8218                 return NULL;
8219         }
8220
8221         os_memcpy(reply, "OK\n", 3);
8222         reply_len = 3;
8223
8224         if (os_strcmp(buf, "PING") == 0) {
8225                 os_memcpy(reply, "PONG\n", 5);
8226                 reply_len = 5;
8227         } else if (os_strcmp(buf, "IFNAME") == 0) {
8228                 reply_len = os_strlen(wpa_s->ifname);
8229                 os_memcpy(reply, wpa_s->ifname, reply_len);
8230         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
8231                 if (wpa_debug_reopen_file() < 0)
8232                         reply_len = -1;
8233         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
8234                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
8235         } else if (os_strcmp(buf, "MIB") == 0) {
8236                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
8237                 if (reply_len >= 0) {
8238                         reply_len += eapol_sm_get_mib(wpa_s->eapol,
8239                                                       reply + reply_len,
8240                                                       reply_size - reply_len);
8241                 }
8242         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
8243                 reply_len = wpa_supplicant_ctrl_iface_status(
8244                         wpa_s, buf + 6, reply, reply_size);
8245         } else if (os_strcmp(buf, "PMKSA") == 0) {
8246                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
8247                                                     reply_size);
8248         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
8249                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
8250         } else if (os_strncmp(buf, "SET ", 4) == 0) {
8251                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
8252                         reply_len = -1;
8253         } else if (os_strncmp(buf, "DUMP", 4) == 0) {
8254                 reply_len = wpa_config_dump_values(wpa_s->conf,
8255                                                    reply, reply_size);
8256         } else if (os_strncmp(buf, "GET ", 4) == 0) {
8257                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
8258                                                           reply, reply_size);
8259         } else if (os_strcmp(buf, "LOGON") == 0) {
8260                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
8261         } else if (os_strcmp(buf, "LOGOFF") == 0) {
8262                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
8263         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
8264                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8265                         reply_len = -1;
8266                 else
8267                         wpas_request_connection(wpa_s);
8268         } else if (os_strcmp(buf, "REATTACH") == 0) {
8269                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
8270                     !wpa_s->current_ssid)
8271                         reply_len = -1;
8272                 else {
8273                         wpa_s->reattach = 1;
8274                         wpas_request_connection(wpa_s);
8275                 }
8276         } else if (os_strcmp(buf, "RECONNECT") == 0) {
8277                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8278                         reply_len = -1;
8279                 else if (wpa_s->disconnected)
8280                         wpas_request_connection(wpa_s);
8281 #ifdef IEEE8021X_EAPOL
8282         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
8283                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
8284                         reply_len = -1;
8285 #endif /* IEEE8021X_EAPOL */
8286 #ifdef CONFIG_PEERKEY
8287         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
8288                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
8289                         reply_len = -1;
8290 #endif /* CONFIG_PEERKEY */
8291 #ifdef CONFIG_IEEE80211R
8292         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
8293                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
8294                         reply_len = -1;
8295 #endif /* CONFIG_IEEE80211R */
8296 #ifdef CONFIG_WPS
8297         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
8298                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
8299                 if (res == -2) {
8300                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8301                         reply_len = 17;
8302                 } else if (res)
8303                         reply_len = -1;
8304         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
8305                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
8306                 if (res == -2) {
8307                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8308                         reply_len = 17;
8309                 } else if (res)
8310                         reply_len = -1;
8311         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
8312                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
8313                                                               reply,
8314                                                               reply_size);
8315         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
8316                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
8317                         wpa_s, buf + 14, reply, reply_size);
8318         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
8319                 if (wpas_wps_cancel(wpa_s))
8320                         reply_len = -1;
8321 #ifdef CONFIG_WPS_NFC
8322         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
8323                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
8324                         reply_len = -1;
8325         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
8326                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
8327                         reply_len = -1;
8328         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
8329                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
8330                         wpa_s, buf + 21, reply, reply_size);
8331         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
8332                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
8333                         wpa_s, buf + 14, reply, reply_size);
8334         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
8335                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
8336                                                                buf + 17))
8337                         reply_len = -1;
8338         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
8339                 reply_len = wpas_ctrl_nfc_get_handover_req(
8340                         wpa_s, buf + 21, reply, reply_size);
8341         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
8342                 reply_len = wpas_ctrl_nfc_get_handover_sel(
8343                         wpa_s, buf + 21, reply, reply_size);
8344         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
8345                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
8346                         reply_len = -1;
8347 #endif /* CONFIG_WPS_NFC */
8348         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
8349                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
8350                         reply_len = -1;
8351 #ifdef CONFIG_AP
8352         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
8353                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
8354                         wpa_s, buf + 11, reply, reply_size);
8355 #endif /* CONFIG_AP */
8356 #ifdef CONFIG_WPS_ER
8357         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
8358                 if (wpas_wps_er_start(wpa_s, NULL))
8359                         reply_len = -1;
8360         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
8361                 if (wpas_wps_er_start(wpa_s, buf + 13))
8362                         reply_len = -1;
8363         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
8364                 wpas_wps_er_stop(wpa_s);
8365         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
8366                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
8367                         reply_len = -1;
8368         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
8369                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
8370                 if (ret == -2) {
8371                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8372                         reply_len = 17;
8373                 } else if (ret == -3) {
8374                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
8375                         reply_len = 18;
8376                 } else if (ret == -4) {
8377                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
8378                         reply_len = 20;
8379                 } else if (ret)
8380                         reply_len = -1;
8381         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
8382                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
8383                         reply_len = -1;
8384         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
8385                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
8386                                                                 buf + 18))
8387                         reply_len = -1;
8388         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
8389                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
8390                         reply_len = -1;
8391 #ifdef CONFIG_WPS_NFC
8392         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
8393                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
8394                         wpa_s, buf + 24, reply, reply_size);
8395 #endif /* CONFIG_WPS_NFC */
8396 #endif /* CONFIG_WPS_ER */
8397 #endif /* CONFIG_WPS */
8398 #ifdef CONFIG_IBSS_RSN
8399         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
8400                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
8401                         reply_len = -1;
8402 #endif /* CONFIG_IBSS_RSN */
8403 #ifdef CONFIG_MESH
8404         } else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
8405                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8406                         wpa_s, buf + 19, reply, reply_size);
8407         } else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
8408                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8409                         wpa_s, "", reply, reply_size);
8410         } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
8411                 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
8412                         reply_len = -1;
8413         } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
8414                 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
8415                                                                 buf + 18))
8416                         reply_len = -1;
8417 #endif /* CONFIG_MESH */
8418 #ifdef CONFIG_P2P
8419         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
8420                 if (p2p_ctrl_find(wpa_s, buf + 8))
8421                         reply_len = -1;
8422         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
8423                 if (p2p_ctrl_find(wpa_s, ""))
8424                         reply_len = -1;
8425         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
8426                 wpas_p2p_stop_find(wpa_s);
8427         } else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
8428                 if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
8429                         reply_len = -1;
8430         } else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
8431                 if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
8432                         reply_len = -1;
8433         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
8434                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
8435                                              reply_size);
8436         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
8437                 if (p2p_ctrl_listen(wpa_s, buf + 11))
8438                         reply_len = -1;
8439         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
8440                 if (p2p_ctrl_listen(wpa_s, ""))
8441                         reply_len = -1;
8442         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
8443                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
8444                         reply_len = -1;
8445         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
8446                 if (p2p_ctrl_group_add(wpa_s, ""))
8447                         reply_len = -1;
8448         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
8449                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
8450                         reply_len = -1;
8451         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
8452                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
8453                         reply_len = -1;
8454         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
8455                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
8456         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
8457                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
8458                                                    reply_size);
8459         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
8460                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
8461                         reply_len = -1;
8462         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
8463                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
8464                         reply_len = -1;
8465         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
8466                 wpas_p2p_sd_service_update(wpa_s);
8467         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
8468                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
8469                         reply_len = -1;
8470         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
8471                 wpas_p2p_service_flush(wpa_s);
8472         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
8473                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
8474                         reply_len = -1;
8475         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
8476                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
8477                         reply_len = -1;
8478         } else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
8479                 if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
8480                         reply_len = -1;
8481         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
8482                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
8483                         reply_len = -1;
8484         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
8485                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
8486                         reply_len = -1;
8487         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
8488                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
8489                                               reply_size);
8490         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
8491                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
8492                         reply_len = -1;
8493         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
8494                 p2p_ctrl_flush(wpa_s);
8495         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
8496                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
8497                         reply_len = -1;
8498         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
8499                 if (wpas_p2p_cancel(wpa_s))
8500                         reply_len = -1;
8501         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
8502                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
8503                         reply_len = -1;
8504         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
8505                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
8506                         reply_len = -1;
8507         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
8508                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
8509                         reply_len = -1;
8510         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
8511                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
8512                         reply_len = -1;
8513         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
8514                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
8515                         reply_len = -1;
8516 #endif /* CONFIG_P2P */
8517 #ifdef CONFIG_WIFI_DISPLAY
8518         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
8519                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
8520                         reply_len = -1;
8521         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
8522                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
8523                                                      reply, reply_size);
8524 #endif /* CONFIG_WIFI_DISPLAY */
8525 #ifdef CONFIG_INTERWORKING
8526         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
8527                 if (interworking_fetch_anqp(wpa_s) < 0)
8528                         reply_len = -1;
8529         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
8530                 interworking_stop_fetch_anqp(wpa_s);
8531         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
8532                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
8533                         reply_len = -1;
8534         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
8535                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
8536                         reply_len = -1;
8537         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
8538                 if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
8539                         reply_len = -1;
8540         } else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
8541                 int id;
8542
8543                 id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
8544                 if (id < 0)
8545                         reply_len = -1;
8546                 else {
8547                         reply_len = os_snprintf(reply, reply_size, "%d\n", id);
8548                         if (os_snprintf_error(reply_size, reply_len))
8549                                 reply_len = -1;
8550                 }
8551         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
8552                 if (get_anqp(wpa_s, buf + 9) < 0)
8553                         reply_len = -1;
8554         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
8555                 if (gas_request(wpa_s, buf + 12) < 0)
8556                         reply_len = -1;
8557         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
8558                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
8559                                              reply_size);
8560 #endif /* CONFIG_INTERWORKING */
8561 #ifdef CONFIG_HS20
8562         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
8563                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
8564                         reply_len = -1;
8565         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
8566                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
8567                         reply_len = -1;
8568         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
8569                 if (hs20_icon_request(wpa_s, buf + 18) < 0)
8570                         reply_len = -1;
8571         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
8572                 if (hs20_fetch_osu(wpa_s) < 0)
8573                         reply_len = -1;
8574         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
8575                 hs20_cancel_fetch_osu(wpa_s);
8576 #endif /* CONFIG_HS20 */
8577         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
8578         {
8579                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
8580                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
8581                         reply_len = -1;
8582                 else {
8583                         /*
8584                          * Notify response from timeout to allow the control
8585                          * interface response to be sent first.
8586                          */
8587                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
8588                                                wpa_s, NULL);
8589                 }
8590         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
8591                 if (wpa_supplicant_reload_configuration(wpa_s))
8592                         reply_len = -1;
8593         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8594                 wpa_supplicant_terminate_proc(wpa_s->global);
8595         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
8596                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
8597                         reply_len = -1;
8598         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
8599                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
8600                         wpa_s, buf + 9, reply, reply_size);
8601         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
8602                 reply_len = wpa_supplicant_ctrl_iface_log_level(
8603                         wpa_s, buf + 9, reply, reply_size);
8604         } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
8605                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8606                         wpa_s, buf + 14, reply, reply_size);
8607         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
8608                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8609                         wpa_s, NULL, reply, reply_size);
8610         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
8611 #ifdef CONFIG_SME
8612                 wpa_s->sme.prev_bssid_set = 0;
8613 #endif /* CONFIG_SME */
8614                 wpa_s->reassociate = 0;
8615                 wpa_s->disconnected = 1;
8616                 wpa_supplicant_cancel_sched_scan(wpa_s);
8617                 wpa_supplicant_cancel_scan(wpa_s);
8618                 wpa_supplicant_deauthenticate(wpa_s,
8619                                               WLAN_REASON_DEAUTH_LEAVING);
8620                 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
8621         } else if (os_strcmp(buf, "SCAN") == 0) {
8622                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
8623         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
8624                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
8625         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
8626                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
8627                         wpa_s, reply, reply_size);
8628         } else if (os_strcmp(buf, "ABORT_SCAN") == 0) {
8629                 if (wpas_abort_ongoing_scan(wpa_s) < 0)
8630                         reply_len = -1;
8631         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
8632                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
8633                         reply_len = -1;
8634         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
8635                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
8636                         reply_len = -1;
8637         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
8638                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
8639                         reply_len = -1;
8640         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
8641                 reply_len = wpa_supplicant_ctrl_iface_add_network(
8642                         wpa_s, reply, reply_size);
8643         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
8644                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
8645                         reply_len = -1;
8646         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8647                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
8648                         reply_len = -1;
8649         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
8650                 reply_len = wpa_supplicant_ctrl_iface_get_network(
8651                         wpa_s, buf + 12, reply, reply_size);
8652         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
8653                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12,
8654                                                           wpa_s))
8655                         reply_len = -1;
8656         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
8657                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
8658                         wpa_s, reply, reply_size);
8659         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
8660                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
8661                         wpa_s, reply, reply_size);
8662         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
8663                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
8664                         reply_len = -1;
8665         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
8666                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
8667                         reply_len = -1;
8668         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
8669                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
8670                                                                reply,
8671                                                                reply_size);
8672 #ifndef CONFIG_NO_CONFIG_WRITE
8673         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8674                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
8675                         reply_len = -1;
8676 #endif /* CONFIG_NO_CONFIG_WRITE */
8677         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
8678                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
8679                         wpa_s, buf + 15, reply, reply_size);
8680         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
8681                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
8682                         reply_len = -1;
8683         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
8684                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
8685                         reply_len = -1;
8686         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8687                 reply_len = wpa_supplicant_global_iface_list(
8688                         wpa_s->global, reply, reply_size);
8689         } else if (os_strcmp(buf, "INTERFACES") == 0) {
8690                 reply_len = wpa_supplicant_global_iface_interfaces(
8691                         wpa_s->global, reply, reply_size);
8692         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
8693                 reply_len = wpa_supplicant_ctrl_iface_bss(
8694                         wpa_s, buf + 4, reply, reply_size);
8695 #ifdef CONFIG_AP
8696         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
8697                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
8698         } else if (os_strncmp(buf, "STA ", 4) == 0) {
8699                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
8700                                               reply_size);
8701         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
8702                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
8703                                                    reply_size);
8704         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
8705                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
8706                         reply_len = -1;
8707         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
8708                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
8709                         reply_len = -1;
8710         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
8711                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
8712                         reply_len = -1;
8713         } else if (os_strcmp(buf, "STOP_AP") == 0) {
8714                 if (wpas_ap_stop_ap(wpa_s))
8715                         reply_len = -1;
8716 #endif /* CONFIG_AP */
8717         } else if (os_strcmp(buf, "SUSPEND") == 0) {
8718                 wpas_notify_suspend(wpa_s->global);
8719         } else if (os_strcmp(buf, "RESUME") == 0) {
8720                 wpas_notify_resume(wpa_s->global);
8721 #ifdef CONFIG_TESTING_OPTIONS
8722         } else if (os_strcmp(buf, "DROP_SA") == 0) {
8723                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
8724 #endif /* CONFIG_TESTING_OPTIONS */
8725         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
8726                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
8727                         reply_len = -1;
8728         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
8729                 wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
8730         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
8731                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
8732                         reply_len = -1;
8733         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
8734                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
8735                                                                buf + 17))
8736                         reply_len = -1;
8737         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
8738                 wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
8739 #ifdef CONFIG_TDLS
8740         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
8741                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
8742                         reply_len = -1;
8743         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
8744                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
8745                         reply_len = -1;
8746         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
8747                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
8748                         reply_len = -1;
8749         } else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
8750                 if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
8751                                                                buf + 17))
8752                         reply_len = -1;
8753         } else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
8754                 if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
8755                                                                       buf + 24))
8756                         reply_len = -1;
8757         } else if (os_strncmp(buf, "TDLS_LINK_STATUS ", 17) == 0) {
8758                 reply_len = wpa_supplicant_ctrl_iface_tdls_link_status(
8759                         wpa_s, buf + 17, reply, reply_size);
8760 #endif /* CONFIG_TDLS */
8761         } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
8762                 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
8763         } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
8764                 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
8765                         reply_len = -1;
8766         } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
8767                 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
8768                         reply_len = -1;
8769         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
8770                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
8771                                                        reply_size);
8772         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
8773                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
8774                                                        reply_size);
8775 #ifdef CONFIG_AUTOSCAN
8776         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
8777                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
8778                         reply_len = -1;
8779 #endif /* CONFIG_AUTOSCAN */
8780 #ifdef ANDROID
8781         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
8782                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
8783                                                       reply_size);
8784 #endif /* ANDROID */
8785         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
8786                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
8787                                                       reply_size);
8788         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
8789                 pmksa_cache_clear_current(wpa_s->wpa);
8790                 eapol_sm_request_reauth(wpa_s->eapol);
8791 #ifdef CONFIG_WNM
8792         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
8793                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
8794                         reply_len = -1;
8795         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
8796                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
8797                                 reply_len = -1;
8798 #endif /* CONFIG_WNM */
8799         } else if (os_strcmp(buf, "FLUSH") == 0) {
8800                 wpa_supplicant_ctrl_iface_flush(wpa_s);
8801         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
8802                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
8803                                                  reply_size);
8804 #ifdef CONFIG_TESTING_OPTIONS
8805         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
8806                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
8807                         reply_len = -1;
8808         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
8809                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
8810         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
8811                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
8812                         reply_len = -1;
8813         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
8814                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
8815                         reply_len = -1;
8816         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
8817                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
8818                         reply_len = -1;
8819         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
8820                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
8821                         reply_len = -1;
8822         } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
8823                 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
8824                         reply_len = -1;
8825         } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
8826                 if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
8827                         reply_len = -1;
8828         } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
8829                 reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
8830         } else if (os_strncmp(buf, "TEST_FAIL ", 10) == 0) {
8831                 if (wpas_ctrl_test_fail(wpa_s, buf + 10) < 0)
8832                         reply_len = -1;
8833         } else if (os_strcmp(buf, "GET_FAIL") == 0) {
8834                 reply_len = wpas_ctrl_get_fail(wpa_s, reply, reply_size);
8835         } else if (os_strncmp(buf, "EVENT_TEST ", 11) == 0) {
8836                 if (wpas_ctrl_event_test(wpa_s, buf + 11) < 0)
8837                         reply_len = -1;
8838         } else if (os_strncmp(buf, "TEST_ASSOC_IE ", 14) == 0) {
8839                 if (wpas_ctrl_test_assoc_ie(wpa_s, buf + 14) < 0)
8840                         reply_len = -1;
8841 #endif /* CONFIG_TESTING_OPTIONS */
8842         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
8843                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
8844                         reply_len = -1;
8845         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
8846                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
8847                                                       reply_size);
8848         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
8849                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
8850                         reply_len = -1;
8851         } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
8852                 if (wpas_ctrl_iface_send_neigbor_rep(wpa_s, buf + 20))
8853                         reply_len = -1;
8854         } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
8855                 wpas_ctrl_iface_erp_flush(wpa_s);
8856         } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
8857                 if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
8858                         reply_len = -1;
8859         } else if (os_strncmp(buf, "GET_PREF_FREQ_LIST ", 19) == 0) {
8860                 reply_len = wpas_ctrl_iface_get_pref_freq_list(
8861                         wpa_s, buf + 19, reply, reply_size);
8862         } else {
8863                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8864                 reply_len = 16;
8865         }
8866
8867         if (reply_len < 0) {
8868                 os_memcpy(reply, "FAIL\n", 5);
8869                 reply_len = 5;
8870         }
8871
8872         *resp_len = reply_len;
8873         return reply;
8874 }
8875
8876
8877 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
8878                                            char *cmd)
8879 {
8880         struct wpa_interface iface;
8881         char *pos, *extra;
8882         struct wpa_supplicant *wpa_s;
8883         unsigned int create_iface = 0;
8884         u8 mac_addr[ETH_ALEN];
8885         enum wpa_driver_if_type type = WPA_IF_STATION;
8886
8887         /*
8888          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
8889          * TAB<bridge_ifname>[TAB<create>[TAB<interface_type>]]
8890          */
8891         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
8892
8893         os_memset(&iface, 0, sizeof(iface));
8894
8895         do {
8896                 iface.ifname = pos = cmd;
8897                 pos = os_strchr(pos, '\t');
8898                 if (pos)
8899                         *pos++ = '\0';
8900                 if (iface.ifname[0] == '\0')
8901                         return -1;
8902                 if (pos == NULL)
8903                         break;
8904
8905                 iface.confname = pos;
8906                 pos = os_strchr(pos, '\t');
8907                 if (pos)
8908                         *pos++ = '\0';
8909                 if (iface.confname[0] == '\0')
8910                         iface.confname = NULL;
8911                 if (pos == NULL)
8912                         break;
8913
8914                 iface.driver = pos;
8915                 pos = os_strchr(pos, '\t');
8916                 if (pos)
8917                         *pos++ = '\0';
8918                 if (iface.driver[0] == '\0')
8919                         iface.driver = NULL;
8920                 if (pos == NULL)
8921                         break;
8922
8923                 iface.ctrl_interface = pos;
8924                 pos = os_strchr(pos, '\t');
8925                 if (pos)
8926                         *pos++ = '\0';
8927                 if (iface.ctrl_interface[0] == '\0')
8928                         iface.ctrl_interface = NULL;
8929                 if (pos == NULL)
8930                         break;
8931
8932                 iface.driver_param = pos;
8933                 pos = os_strchr(pos, '\t');
8934                 if (pos)
8935                         *pos++ = '\0';
8936                 if (iface.driver_param[0] == '\0')
8937                         iface.driver_param = NULL;
8938                 if (pos == NULL)
8939                         break;
8940
8941                 iface.bridge_ifname = pos;
8942                 pos = os_strchr(pos, '\t');
8943                 if (pos)
8944                         *pos++ = '\0';
8945                 if (iface.bridge_ifname[0] == '\0')
8946                         iface.bridge_ifname = NULL;
8947                 if (pos == NULL)
8948                         break;
8949
8950                 extra = pos;
8951                 pos = os_strchr(pos, '\t');
8952                 if (pos)
8953                         *pos++ = '\0';
8954                 if (!extra[0])
8955                         break;
8956
8957                 if (os_strcmp(extra, "create") == 0) {
8958                         create_iface = 1;
8959                         if (!pos)
8960                                 break;
8961
8962                         if (os_strcmp(pos, "sta") == 0) {
8963                                 type = WPA_IF_STATION;
8964                         } else if (os_strcmp(pos, "ap") == 0) {
8965                                 type = WPA_IF_AP_BSS;
8966                         } else {
8967                                 wpa_printf(MSG_DEBUG,
8968                                            "INTERFACE_ADD unsupported interface type: '%s'",
8969                                            pos);
8970                                 return -1;
8971                         }
8972                 } else {
8973                         wpa_printf(MSG_DEBUG,
8974                                    "INTERFACE_ADD unsupported extra parameter: '%s'",
8975                                    extra);
8976                         return -1;
8977                 }
8978         } while (0);
8979
8980         if (create_iface) {
8981                 wpa_printf(MSG_DEBUG, "CTRL_IFACE creating interface '%s'",
8982                            iface.ifname);
8983                 if (!global->ifaces)
8984                         return -1;
8985                 if (wpa_drv_if_add(global->ifaces, type, iface.ifname,
8986                                    NULL, NULL, NULL, mac_addr, NULL) < 0) {
8987                         wpa_printf(MSG_ERROR,
8988                                    "CTRL_IFACE interface creation failed");
8989                         return -1;
8990                 }
8991
8992                 wpa_printf(MSG_DEBUG,
8993                            "CTRL_IFACE interface '%s' created with MAC addr: "
8994                            MACSTR, iface.ifname, MAC2STR(mac_addr));
8995         }
8996
8997         if (wpa_supplicant_get_iface(global, iface.ifname))
8998                 goto fail;
8999
9000         wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
9001         if (!wpa_s)
9002                 goto fail;
9003         wpa_s->added_vif = create_iface;
9004         return 0;
9005
9006 fail:
9007         if (create_iface)
9008                 wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, iface.ifname);
9009         return -1;
9010 }
9011
9012
9013 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
9014                                               char *cmd)
9015 {
9016         struct wpa_supplicant *wpa_s;
9017         int ret;
9018         unsigned int delete_iface;
9019
9020         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
9021
9022         wpa_s = wpa_supplicant_get_iface(global, cmd);
9023         if (wpa_s == NULL)
9024                 return -1;
9025         delete_iface = wpa_s->added_vif;
9026         ret = wpa_supplicant_remove_iface(global, wpa_s, 0);
9027         if (!ret && delete_iface) {
9028                 wpa_printf(MSG_DEBUG, "CTRL_IFACE deleting the interface '%s'",
9029                            cmd);
9030                 ret = wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, cmd);
9031         }
9032         return ret;
9033 }
9034
9035
9036 static void wpa_free_iface_info(struct wpa_interface_info *iface)
9037 {
9038         struct wpa_interface_info *prev;
9039
9040         while (iface) {
9041                 prev = iface;
9042                 iface = iface->next;
9043
9044                 os_free(prev->ifname);
9045                 os_free(prev->desc);
9046                 os_free(prev);
9047         }
9048 }
9049
9050
9051 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
9052                                             char *buf, int len)
9053 {
9054         int i, res;
9055         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
9056         char *pos, *end;
9057
9058         for (i = 0; wpa_drivers[i]; i++) {
9059                 const struct wpa_driver_ops *drv = wpa_drivers[i];
9060                 if (drv->get_interfaces == NULL)
9061                         continue;
9062                 tmp = drv->get_interfaces(global->drv_priv[i]);
9063                 if (tmp == NULL)
9064                         continue;
9065
9066                 if (last == NULL)
9067                         iface = last = tmp;
9068                 else
9069                         last->next = tmp;
9070                 while (last->next)
9071                         last = last->next;
9072         }
9073
9074         pos = buf;
9075         end = buf + len;
9076         for (tmp = iface; tmp; tmp = tmp->next) {
9077                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
9078                                   tmp->drv_name, tmp->ifname,
9079                                   tmp->desc ? tmp->desc : "");
9080                 if (os_snprintf_error(end - pos, res)) {
9081                         *pos = '\0';
9082                         break;
9083                 }
9084                 pos += res;
9085         }
9086
9087         wpa_free_iface_info(iface);
9088
9089         return pos - buf;
9090 }
9091
9092
9093 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
9094                                                   char *buf, int len)
9095 {
9096         int res;
9097         char *pos, *end;
9098         struct wpa_supplicant *wpa_s;
9099
9100         wpa_s = global->ifaces;
9101         pos = buf;
9102         end = buf + len;
9103
9104         while (wpa_s) {
9105                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
9106                 if (os_snprintf_error(end - pos, res)) {
9107                         *pos = '\0';
9108                         break;
9109                 }
9110                 pos += res;
9111                 wpa_s = wpa_s->next;
9112         }
9113         return pos - buf;
9114 }
9115
9116
9117 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
9118                                             const char *ifname,
9119                                             char *cmd, size_t *resp_len)
9120 {
9121         struct wpa_supplicant *wpa_s;
9122
9123         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9124                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
9125                         break;
9126         }
9127
9128         if (wpa_s == NULL) {
9129                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
9130                 if (resp)
9131                         *resp_len = os_strlen(resp);
9132                 else
9133                         *resp_len = 1;
9134                 return resp;
9135         }
9136
9137         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
9138 }
9139
9140
9141 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
9142                                                char *buf, size_t *resp_len)
9143 {
9144 #ifdef CONFIG_P2P
9145         static const char * cmd[] = {
9146                 "LIST_NETWORKS",
9147                 "P2P_FIND",
9148                 "P2P_STOP_FIND",
9149                 "P2P_LISTEN",
9150                 "P2P_GROUP_ADD",
9151                 "P2P_GET_PASSPHRASE",
9152                 "P2P_SERVICE_UPDATE",
9153                 "P2P_SERVICE_FLUSH",
9154                 "P2P_FLUSH",
9155                 "P2P_CANCEL",
9156                 "P2P_PRESENCE_REQ",
9157                 "P2P_EXT_LISTEN",
9158                 NULL
9159         };
9160         static const char * prefix[] = {
9161 #ifdef ANDROID
9162                 "DRIVER ",
9163 #endif /* ANDROID */
9164                 "GET_NETWORK ",
9165                 "REMOVE_NETWORK ",
9166                 "P2P_FIND ",
9167                 "P2P_CONNECT ",
9168                 "P2P_LISTEN ",
9169                 "P2P_GROUP_REMOVE ",
9170                 "P2P_GROUP_ADD ",
9171                 "P2P_PROV_DISC ",
9172                 "P2P_SERV_DISC_REQ ",
9173                 "P2P_SERV_DISC_CANCEL_REQ ",
9174                 "P2P_SERV_DISC_RESP ",
9175                 "P2P_SERV_DISC_EXTERNAL ",
9176                 "P2P_SERVICE_ADD ",
9177                 "P2P_SERVICE_DEL ",
9178                 "P2P_SERVICE_REP ",
9179                 "P2P_REJECT ",
9180                 "P2P_INVITE ",
9181                 "P2P_PEER ",
9182                 "P2P_SET ",
9183                 "P2P_UNAUTHORIZE ",
9184                 "P2P_PRESENCE_REQ ",
9185                 "P2P_EXT_LISTEN ",
9186                 "P2P_REMOVE_CLIENT ",
9187                 "WPS_NFC_TOKEN ",
9188                 "WPS_NFC_TAG_READ ",
9189                 "NFC_GET_HANDOVER_SEL ",
9190                 "NFC_GET_HANDOVER_REQ ",
9191                 "NFC_REPORT_HANDOVER ",
9192                 "P2P_ASP_PROVISION ",
9193                 "P2P_ASP_PROVISION_RESP ",
9194                 NULL
9195         };
9196         int found = 0;
9197         int i;
9198
9199         if (global->p2p_init_wpa_s == NULL)
9200                 return NULL;
9201
9202         for (i = 0; !found && cmd[i]; i++) {
9203                 if (os_strcmp(buf, cmd[i]) == 0)
9204                         found = 1;
9205         }
9206
9207         for (i = 0; !found && prefix[i]; i++) {
9208                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
9209                         found = 1;
9210         }
9211
9212         if (found)
9213                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9214                                                          buf, resp_len);
9215 #endif /* CONFIG_P2P */
9216         return NULL;
9217 }
9218
9219
9220 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
9221                                                char *buf, size_t *resp_len)
9222 {
9223 #ifdef CONFIG_WIFI_DISPLAY
9224         if (global->p2p_init_wpa_s == NULL)
9225                 return NULL;
9226         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
9227             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
9228                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9229                                                          buf, resp_len);
9230 #endif /* CONFIG_WIFI_DISPLAY */
9231         return NULL;
9232 }
9233
9234
9235 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
9236                                            char *buf, size_t *resp_len)
9237 {
9238         char *ret;
9239
9240         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
9241         if (ret)
9242                 return ret;
9243
9244         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
9245         if (ret)
9246                 return ret;
9247
9248         return NULL;
9249 }
9250
9251
9252 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
9253 {
9254         char *value;
9255
9256         value = os_strchr(cmd, ' ');
9257         if (value == NULL)
9258                 return -1;
9259         *value++ = '\0';
9260
9261         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
9262
9263 #ifdef CONFIG_WIFI_DISPLAY
9264         if (os_strcasecmp(cmd, "wifi_display") == 0) {
9265                 wifi_display_enable(global, !!atoi(value));
9266                 return 0;
9267         }
9268 #endif /* CONFIG_WIFI_DISPLAY */
9269
9270         /* Restore cmd to its original value to allow redirection */
9271         value[-1] = ' ';
9272
9273         return -1;
9274 }
9275
9276
9277 static int wpas_global_ctrl_iface_dup_network(struct wpa_global *global,
9278                                               char *cmd)
9279 {
9280         struct wpa_supplicant *wpa_s[2]; /* src, dst */
9281         char *p;
9282         unsigned int i;
9283
9284         /* cmd: "<src ifname> <dst ifname> <src network id> <dst network id>
9285          * <variable name> */
9286
9287         for (i = 0; i < ARRAY_SIZE(wpa_s) ; i++) {
9288                 p = os_strchr(cmd, ' ');
9289                 if (p == NULL)
9290                         return -1;
9291                 *p = '\0';
9292
9293                 wpa_s[i] = global->ifaces;
9294                 for (; wpa_s[i]; wpa_s[i] = wpa_s[i]->next) {
9295                         if (os_strcmp(cmd, wpa_s[i]->ifname) == 0)
9296                                 break;
9297                 }
9298
9299                 if (!wpa_s[i]) {
9300                         wpa_printf(MSG_DEBUG,
9301                                    "CTRL_IFACE: Could not find iface=%s", cmd);
9302                         return -1;
9303                 }
9304
9305                 cmd = p + 1;
9306         }
9307
9308         return wpa_supplicant_ctrl_iface_dup_network(wpa_s[0], cmd, wpa_s[1]);
9309 }
9310
9311
9312 #ifndef CONFIG_NO_CONFIG_WRITE
9313 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
9314 {
9315         int ret = 0, saved = 0;
9316         struct wpa_supplicant *wpa_s;
9317
9318         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9319                 if (!wpa_s->conf->update_config) {
9320                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
9321                         continue;
9322                 }
9323
9324                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
9325                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
9326                         ret = 1;
9327                 } else {
9328                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
9329                         saved++;
9330                 }
9331         }
9332
9333         if (!saved && !ret) {
9334                 wpa_dbg(wpa_s, MSG_DEBUG,
9335                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
9336                 ret = 1;
9337         }
9338
9339         return ret;
9340 }
9341 #endif /* CONFIG_NO_CONFIG_WRITE */
9342
9343
9344 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
9345                                          char *buf, size_t buflen)
9346 {
9347         char *pos, *end;
9348         int ret;
9349         struct wpa_supplicant *wpa_s;
9350
9351         pos = buf;
9352         end = buf + buflen;
9353
9354 #ifdef CONFIG_P2P
9355         if (global->p2p && !global->p2p_disabled) {
9356                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
9357                                   "\n"
9358                                   "p2p_state=%s\n",
9359                                   MAC2STR(global->p2p_dev_addr),
9360                                   p2p_get_state_txt(global->p2p));
9361                 if (os_snprintf_error(end - pos, ret))
9362                         return pos - buf;
9363                 pos += ret;
9364         } else if (global->p2p) {
9365                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
9366                 if (os_snprintf_error(end - pos, ret))
9367                         return pos - buf;
9368                 pos += ret;
9369         }
9370 #endif /* CONFIG_P2P */
9371
9372 #ifdef CONFIG_WIFI_DISPLAY
9373         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
9374                           !!global->wifi_display);
9375         if (os_snprintf_error(end - pos, ret))
9376                 return pos - buf;
9377         pos += ret;
9378 #endif /* CONFIG_WIFI_DISPLAY */
9379
9380         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9381                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
9382                                   "address=" MACSTR "\n",
9383                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
9384                 if (os_snprintf_error(end - pos, ret))
9385                         return pos - buf;
9386                 pos += ret;
9387         }
9388
9389         return pos - buf;
9390 }
9391
9392
9393 #ifdef CONFIG_FST
9394
9395 static int wpas_global_ctrl_iface_fst_attach(struct wpa_global *global,
9396                                              char *cmd, char *buf,
9397                                              size_t reply_size)
9398 {
9399         char ifname[IFNAMSIZ + 1];
9400         struct fst_iface_cfg cfg;
9401         struct wpa_supplicant *wpa_s;
9402         struct fst_wpa_obj iface_obj;
9403
9404         if (!fst_parse_attach_command(cmd, ifname, sizeof(ifname), &cfg)) {
9405                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9406                 if (wpa_s) {
9407                         if (wpa_s->fst) {
9408                                 wpa_printf(MSG_INFO, "FST: Already attached");
9409                                 return -1;
9410                         }
9411                         fst_wpa_supplicant_fill_iface_obj(wpa_s, &iface_obj);
9412                         wpa_s->fst = fst_attach(ifname, wpa_s->own_addr,
9413                                                 &iface_obj, &cfg);
9414                         if (wpa_s->fst)
9415                                 return os_snprintf(buf, reply_size, "OK\n");
9416                 }
9417         }
9418
9419         return -1;
9420 }
9421
9422
9423 static int wpas_global_ctrl_iface_fst_detach(struct wpa_global *global,
9424                                              char *cmd, char *buf,
9425                                              size_t reply_size)
9426 {
9427         char ifname[IFNAMSIZ + 1];
9428         struct wpa_supplicant *wpa_s;
9429
9430         if (!fst_parse_detach_command(cmd, ifname, sizeof(ifname))) {
9431                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9432                 if (wpa_s) {
9433                         if (!fst_iface_detach(ifname)) {
9434                                 wpa_s->fst = NULL;
9435                                 return os_snprintf(buf, reply_size, "OK\n");
9436                         }
9437                 }
9438         }
9439
9440         return -1;
9441 }
9442
9443 #endif /* CONFIG_FST */
9444
9445
9446 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
9447                                                 char *buf, size_t *resp_len)
9448 {
9449         char *reply;
9450         const int reply_size = 2048;
9451         int reply_len;
9452         int level = MSG_DEBUG;
9453
9454         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
9455                 char *pos = os_strchr(buf + 7, ' ');
9456                 if (pos) {
9457                         *pos++ = '\0';
9458                         return wpas_global_ctrl_iface_ifname(global,
9459                                                              buf + 7, pos,
9460                                                              resp_len);
9461                 }
9462         }
9463
9464         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
9465         if (reply)
9466                 return reply;
9467
9468         if (os_strcmp(buf, "PING") == 0)
9469                 level = MSG_EXCESSIVE;
9470         wpa_hexdump_ascii(level, "RX global ctrl_iface",
9471                           (const u8 *) buf, os_strlen(buf));
9472
9473         reply = os_malloc(reply_size);
9474         if (reply == NULL) {
9475                 *resp_len = 1;
9476                 return NULL;
9477         }
9478
9479         os_memcpy(reply, "OK\n", 3);
9480         reply_len = 3;
9481
9482         if (os_strcmp(buf, "PING") == 0) {
9483                 os_memcpy(reply, "PONG\n", 5);
9484                 reply_len = 5;
9485         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
9486                 if (wpa_supplicant_global_iface_add(global, buf + 14))
9487                         reply_len = -1;
9488         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
9489                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
9490                         reply_len = -1;
9491         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
9492                 reply_len = wpa_supplicant_global_iface_list(
9493                         global, reply, reply_size);
9494         } else if (os_strcmp(buf, "INTERFACES") == 0) {
9495                 reply_len = wpa_supplicant_global_iface_interfaces(
9496                         global, reply, reply_size);
9497 #ifdef CONFIG_FST
9498         } else if (os_strncmp(buf, "FST-ATTACH ", 11) == 0) {
9499                 reply_len = wpas_global_ctrl_iface_fst_attach(global, buf + 11,
9500                                                               reply,
9501                                                               reply_size);
9502         } else if (os_strncmp(buf, "FST-DETACH ", 11) == 0) {
9503                 reply_len = wpas_global_ctrl_iface_fst_detach(global, buf + 11,
9504                                                               reply,
9505                                                               reply_size);
9506         } else if (os_strncmp(buf, "FST-MANAGER ", 12) == 0) {
9507                 reply_len = fst_ctrl_iface_receive(buf + 12, reply, reply_size);
9508 #endif /* CONFIG_FST */
9509         } else if (os_strcmp(buf, "TERMINATE") == 0) {
9510                 wpa_supplicant_terminate_proc(global);
9511         } else if (os_strcmp(buf, "SUSPEND") == 0) {
9512                 wpas_notify_suspend(global);
9513         } else if (os_strcmp(buf, "RESUME") == 0) {
9514                 wpas_notify_resume(global);
9515         } else if (os_strncmp(buf, "SET ", 4) == 0) {
9516                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
9517 #ifdef CONFIG_P2P
9518                         if (global->p2p_init_wpa_s) {
9519                                 os_free(reply);
9520                                 /* Check if P2P redirection would work for this
9521                                  * command. */
9522                                 return wpa_supplicant_ctrl_iface_process(
9523                                         global->p2p_init_wpa_s,
9524                                         buf, resp_len);
9525                         }
9526 #endif /* CONFIG_P2P */
9527                         reply_len = -1;
9528                 }
9529         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
9530                 if (wpas_global_ctrl_iface_dup_network(global, buf + 12))
9531                         reply_len = -1;
9532 #ifndef CONFIG_NO_CONFIG_WRITE
9533         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
9534                 if (wpas_global_ctrl_iface_save_config(global))
9535                         reply_len = -1;
9536 #endif /* CONFIG_NO_CONFIG_WRITE */
9537         } else if (os_strcmp(buf, "STATUS") == 0) {
9538                 reply_len = wpas_global_ctrl_iface_status(global, reply,
9539                                                           reply_size);
9540 #ifdef CONFIG_MODULE_TESTS
9541         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
9542                 int wpas_module_tests(void);
9543                 if (wpas_module_tests() < 0)
9544                         reply_len = -1;
9545 #endif /* CONFIG_MODULE_TESTS */
9546         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
9547                 if (wpa_debug_reopen_file() < 0)
9548                         reply_len = -1;
9549         } else {
9550                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
9551                 reply_len = 16;
9552         }
9553
9554         if (reply_len < 0) {
9555                 os_memcpy(reply, "FAIL\n", 5);
9556                 reply_len = 5;
9557         }
9558
9559         *resp_len = reply_len;
9560         return reply;
9561 }