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 #ifdef CONFIG_ACS
3941         if (os_strcmp(field, "acs") == 0) {
3942                 res = os_snprintf(buf, buflen, "ACS");
3943                 if (os_snprintf_error(buflen, res))
3944                         return -1;
3945                 return res;
3946         }
3947 #endif /* CONFIG_ACS */
3948
3949         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3950                    field);
3951
3952         return -1;
3953 }
3954
3955
3956 #ifdef CONFIG_INTERWORKING
3957 static char * anqp_add_hex(char *pos, char *end, const char *title,
3958                            struct wpabuf *data)
3959 {
3960         char *start = pos;
3961         size_t i;
3962         int ret;
3963         const u8 *d;
3964
3965         if (data == NULL)
3966                 return start;
3967
3968         ret = os_snprintf(pos, end - pos, "%s=", title);
3969         if (os_snprintf_error(end - pos, ret))
3970                 return start;
3971         pos += ret;
3972
3973         d = wpabuf_head_u8(data);
3974         for (i = 0; i < wpabuf_len(data); i++) {
3975                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3976                 if (os_snprintf_error(end - pos, ret))
3977                         return start;
3978                 pos += ret;
3979         }
3980
3981         ret = os_snprintf(pos, end - pos, "\n");
3982         if (os_snprintf_error(end - pos, ret))
3983                 return start;
3984         pos += ret;
3985
3986         return pos;
3987 }
3988 #endif /* CONFIG_INTERWORKING */
3989
3990
3991 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3992                           unsigned long mask, char *buf, size_t buflen)
3993 {
3994         size_t i;
3995         int ret;
3996         char *pos, *end;
3997         const u8 *ie, *ie2, *osen_ie;
3998
3999         pos = buf;
4000         end = buf + buflen;
4001
4002         if (mask & WPA_BSS_MASK_ID) {
4003                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
4004                 if (os_snprintf_error(end - pos, ret))
4005                         return 0;
4006                 pos += ret;
4007         }
4008
4009         if (mask & WPA_BSS_MASK_BSSID) {
4010                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
4011                                   MAC2STR(bss->bssid));
4012                 if (os_snprintf_error(end - pos, ret))
4013                         return 0;
4014                 pos += ret;
4015         }
4016
4017         if (mask & WPA_BSS_MASK_FREQ) {
4018                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
4019                 if (os_snprintf_error(end - pos, ret))
4020                         return 0;
4021                 pos += ret;
4022         }
4023
4024         if (mask & WPA_BSS_MASK_BEACON_INT) {
4025                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
4026                                   bss->beacon_int);
4027                 if (os_snprintf_error(end - pos, ret))
4028                         return 0;
4029                 pos += ret;
4030         }
4031
4032         if (mask & WPA_BSS_MASK_CAPABILITIES) {
4033                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
4034                                   bss->caps);
4035                 if (os_snprintf_error(end - pos, ret))
4036                         return 0;
4037                 pos += ret;
4038         }
4039
4040         if (mask & WPA_BSS_MASK_QUAL) {
4041                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
4042                 if (os_snprintf_error(end - pos, ret))
4043                         return 0;
4044                 pos += ret;
4045         }
4046
4047         if (mask & WPA_BSS_MASK_NOISE) {
4048                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
4049                 if (os_snprintf_error(end - pos, ret))
4050                         return 0;
4051                 pos += ret;
4052         }
4053
4054         if (mask & WPA_BSS_MASK_LEVEL) {
4055                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
4056                 if (os_snprintf_error(end - pos, ret))
4057                         return 0;
4058                 pos += ret;
4059         }
4060
4061         if (mask & WPA_BSS_MASK_TSF) {
4062                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
4063                                   (unsigned long long) bss->tsf);
4064                 if (os_snprintf_error(end - pos, ret))
4065                         return 0;
4066                 pos += ret;
4067         }
4068
4069         if (mask & WPA_BSS_MASK_AGE) {
4070                 struct os_reltime now;
4071
4072                 os_get_reltime(&now);
4073                 ret = os_snprintf(pos, end - pos, "age=%d\n",
4074                                   (int) (now.sec - bss->last_update.sec));
4075                 if (os_snprintf_error(end - pos, ret))
4076                         return 0;
4077                 pos += ret;
4078         }
4079
4080         if (mask & WPA_BSS_MASK_IE) {
4081                 ret = os_snprintf(pos, end - pos, "ie=");
4082                 if (os_snprintf_error(end - pos, ret))
4083                         return 0;
4084                 pos += ret;
4085
4086                 ie = (const u8 *) (bss + 1);
4087                 for (i = 0; i < bss->ie_len; i++) {
4088                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4089                         if (os_snprintf_error(end - pos, ret))
4090                                 return 0;
4091                         pos += ret;
4092                 }
4093
4094                 ret = os_snprintf(pos, end - pos, "\n");
4095                 if (os_snprintf_error(end - pos, ret))
4096                         return 0;
4097                 pos += ret;
4098         }
4099
4100         if (mask & WPA_BSS_MASK_FLAGS) {
4101                 ret = os_snprintf(pos, end - pos, "flags=");
4102                 if (os_snprintf_error(end - pos, ret))
4103                         return 0;
4104                 pos += ret;
4105
4106                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
4107                 if (ie)
4108                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
4109                                                     2 + ie[1]);
4110                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4111                 if (ie2)
4112                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
4113                                                     2 + ie2[1]);
4114                 osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
4115                 if (osen_ie)
4116                         pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
4117                                                     osen_ie, 2 + osen_ie[1]);
4118                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
4119                 if (!ie && !ie2 && !osen_ie &&
4120                     (bss->caps & IEEE80211_CAP_PRIVACY)) {
4121                         ret = os_snprintf(pos, end - pos, "[WEP]");
4122                         if (os_snprintf_error(end - pos, ret))
4123                                 return 0;
4124                         pos += ret;
4125                 }
4126                 if (bss_is_dmg(bss)) {
4127                         const char *s;
4128                         ret = os_snprintf(pos, end - pos, "[DMG]");
4129                         if (os_snprintf_error(end - pos, ret))
4130                                 return 0;
4131                         pos += ret;
4132                         switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
4133                         case IEEE80211_CAP_DMG_IBSS:
4134                                 s = "[IBSS]";
4135                                 break;
4136                         case IEEE80211_CAP_DMG_AP:
4137                                 s = "[ESS]";
4138                                 break;
4139                         case IEEE80211_CAP_DMG_PBSS:
4140                                 s = "[PBSS]";
4141                                 break;
4142                         default:
4143                                 s = "";
4144                                 break;
4145                         }
4146                         ret = os_snprintf(pos, end - pos, "%s", s);
4147                         if (os_snprintf_error(end - pos, ret))
4148                                 return 0;
4149                         pos += ret;
4150                 } else {
4151                         if (bss->caps & IEEE80211_CAP_IBSS) {
4152                                 ret = os_snprintf(pos, end - pos, "[IBSS]");
4153                                 if (os_snprintf_error(end - pos, ret))
4154                                         return 0;
4155                                 pos += ret;
4156                         }
4157                         if (bss->caps & IEEE80211_CAP_ESS) {
4158                                 ret = os_snprintf(pos, end - pos, "[ESS]");
4159                                 if (os_snprintf_error(end - pos, ret))
4160                                         return 0;
4161                                 pos += ret;
4162                         }
4163                 }
4164                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
4165                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
4166                         ret = os_snprintf(pos, end - pos, "[P2P]");
4167                         if (os_snprintf_error(end - pos, ret))
4168                                 return 0;
4169                         pos += ret;
4170                 }
4171 #ifdef CONFIG_HS20
4172                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
4173                         ret = os_snprintf(pos, end - pos, "[HS20]");
4174                         if (os_snprintf_error(end - pos, ret))
4175                                 return 0;
4176                         pos += ret;
4177                 }
4178 #endif /* CONFIG_HS20 */
4179
4180                 ret = os_snprintf(pos, end - pos, "\n");
4181                 if (os_snprintf_error(end - pos, ret))
4182                         return 0;
4183                 pos += ret;
4184         }
4185
4186         if (mask & WPA_BSS_MASK_SSID) {
4187                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
4188                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
4189                 if (os_snprintf_error(end - pos, ret))
4190                         return 0;
4191                 pos += ret;
4192         }
4193
4194 #ifdef CONFIG_WPS
4195         if (mask & WPA_BSS_MASK_WPS_SCAN) {
4196                 ie = (const u8 *) (bss + 1);
4197                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
4198                 if (ret >= end - pos)
4199                         return 0;
4200                 if (ret > 0)
4201                         pos += ret;
4202         }
4203 #endif /* CONFIG_WPS */
4204
4205 #ifdef CONFIG_P2P
4206         if (mask & WPA_BSS_MASK_P2P_SCAN) {
4207                 ie = (const u8 *) (bss + 1);
4208                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
4209                 if (ret < 0 || ret >= end - pos)
4210                         return 0;
4211                 pos += ret;
4212         }
4213 #endif /* CONFIG_P2P */
4214
4215 #ifdef CONFIG_WIFI_DISPLAY
4216         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
4217                 struct wpabuf *wfd;
4218                 ie = (const u8 *) (bss + 1);
4219                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
4220                                                   WFD_IE_VENDOR_TYPE);
4221                 if (wfd) {
4222                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
4223                         if (os_snprintf_error(end - pos, ret)) {
4224                                 wpabuf_free(wfd);
4225                                 return 0;
4226                         }
4227                         pos += ret;
4228
4229                         pos += wpa_snprintf_hex(pos, end - pos,
4230                                                 wpabuf_head(wfd),
4231                                                 wpabuf_len(wfd));
4232                         wpabuf_free(wfd);
4233
4234                         ret = os_snprintf(pos, end - pos, "\n");
4235                         if (os_snprintf_error(end - pos, ret))
4236                                 return 0;
4237                         pos += ret;
4238                 }
4239         }
4240 #endif /* CONFIG_WIFI_DISPLAY */
4241
4242 #ifdef CONFIG_INTERWORKING
4243         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
4244                 struct wpa_bss_anqp *anqp = bss->anqp;
4245                 struct wpa_bss_anqp_elem *elem;
4246
4247                 pos = anqp_add_hex(pos, end, "anqp_capability_list",
4248                                    anqp->capability_list);
4249                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
4250                                    anqp->venue_name);
4251                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4252                                    anqp->network_auth_type);
4253                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4254                                    anqp->roaming_consortium);
4255                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4256                                    anqp->ip_addr_type_availability);
4257                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4258                                    anqp->nai_realm);
4259                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4260                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
4261                                    anqp->domain_name);
4262 #ifdef CONFIG_HS20
4263                 pos = anqp_add_hex(pos, end, "hs20_capability_list",
4264                                    anqp->hs20_capability_list);
4265                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4266                                    anqp->hs20_operator_friendly_name);
4267                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4268                                    anqp->hs20_wan_metrics);
4269                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4270                                    anqp->hs20_connection_capability);
4271                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
4272                                    anqp->hs20_operating_class);
4273                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4274                                    anqp->hs20_osu_providers_list);
4275 #endif /* CONFIG_HS20 */
4276
4277                 dl_list_for_each(elem, &anqp->anqp_elems,
4278                                  struct wpa_bss_anqp_elem, list) {
4279                         char title[20];
4280
4281                         os_snprintf(title, sizeof(title), "anqp[%u]",
4282                                     elem->infoid);
4283                         pos = anqp_add_hex(pos, end, title, elem->payload);
4284                 }
4285         }
4286 #endif /* CONFIG_INTERWORKING */
4287
4288 #ifdef CONFIG_MESH
4289         if (mask & WPA_BSS_MASK_MESH_SCAN) {
4290                 ie = (const u8 *) (bss + 1);
4291                 ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4292                 if (ret < 0 || ret >= end - pos)
4293                         return 0;
4294                 pos += ret;
4295         }
4296 #endif /* CONFIG_MESH */
4297
4298         if (mask & WPA_BSS_MASK_SNR) {
4299                 ret = os_snprintf(pos, end - pos, "snr=%d\n", bss->snr);
4300                 if (os_snprintf_error(end - pos, ret))
4301                         return 0;
4302                 pos += ret;
4303         }
4304
4305         if (mask & WPA_BSS_MASK_EST_THROUGHPUT) {
4306                 ret = os_snprintf(pos, end - pos, "est_throughput=%d\n",
4307                                   bss->est_throughput);
4308                 if (os_snprintf_error(end - pos, ret))
4309                         return 0;
4310                 pos += ret;
4311         }
4312
4313 #ifdef CONFIG_FST
4314         if (mask & WPA_BSS_MASK_FST) {
4315                 ret = fst_ctrl_iface_mb_info(bss->bssid, pos, end - pos);
4316                 if (ret < 0 || ret >= end - pos)
4317                         return 0;
4318                 pos += ret;
4319         }
4320 #endif /* CONFIG_FST */
4321
4322         if (mask & WPA_BSS_MASK_DELIM) {
4323                 ret = os_snprintf(pos, end - pos, "====\n");
4324                 if (os_snprintf_error(end - pos, ret))
4325                         return 0;
4326                 pos += ret;
4327         }
4328
4329         return pos - buf;
4330 }
4331
4332
4333 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
4334                                          const char *cmd, char *buf,
4335                                          size_t buflen)
4336 {
4337         u8 bssid[ETH_ALEN];
4338         size_t i;
4339         struct wpa_bss *bss;
4340         struct wpa_bss *bsslast = NULL;
4341         struct dl_list *next;
4342         int ret = 0;
4343         int len;
4344         char *ctmp, *end = buf + buflen;
4345         unsigned long mask = WPA_BSS_MASK_ALL;
4346
4347         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
4348                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
4349                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
4350                                             list_id);
4351                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
4352                                                list_id);
4353                 } else { /* N1-N2 */
4354                         unsigned int id1, id2;
4355
4356                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
4357                                 wpa_printf(MSG_INFO, "Wrong BSS range "
4358                                            "format");
4359                                 return 0;
4360                         }
4361
4362                         if (*(cmd + 6) == '-')
4363                                 id1 = 0;
4364                         else
4365                                 id1 = atoi(cmd + 6);
4366                         ctmp++;
4367                         if (*ctmp >= '0' && *ctmp <= '9')
4368                                 id2 = atoi(ctmp);
4369                         else
4370                                 id2 = (unsigned int) -1;
4371                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4372                         if (id2 == (unsigned int) -1)
4373                                 bsslast = dl_list_last(&wpa_s->bss_id,
4374                                                        struct wpa_bss,
4375                                                        list_id);
4376                         else {
4377                                 bsslast = wpa_bss_get_id(wpa_s, id2);
4378                                 if (bsslast == NULL && bss && id2 > id1) {
4379                                         struct wpa_bss *tmp = bss;
4380                                         for (;;) {
4381                                                 next = tmp->list_id.next;
4382                                                 if (next == &wpa_s->bss_id)
4383                                                         break;
4384                                                 tmp = dl_list_entry(
4385                                                         next, struct wpa_bss,
4386                                                         list_id);
4387                                                 if (tmp->id > id2)
4388                                                         break;
4389                                                 bsslast = tmp;
4390                                         }
4391                                 }
4392                         }
4393                 }
4394         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
4395                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4396         else if (os_strncmp(cmd, "LAST", 4) == 0)
4397                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4398         else if (os_strncmp(cmd, "ID-", 3) == 0) {
4399                 i = atoi(cmd + 3);
4400                 bss = wpa_bss_get_id(wpa_s, i);
4401         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4402                 i = atoi(cmd + 5);
4403                 bss = wpa_bss_get_id(wpa_s, i);
4404                 if (bss) {
4405                         next = bss->list_id.next;
4406                         if (next == &wpa_s->bss_id)
4407                                 bss = NULL;
4408                         else
4409                                 bss = dl_list_entry(next, struct wpa_bss,
4410                                                     list_id);
4411                 }
4412 #ifdef CONFIG_P2P
4413         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4414                 if (hwaddr_aton(cmd + 13, bssid) == 0)
4415                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4416                 else
4417                         bss = NULL;
4418 #endif /* CONFIG_P2P */
4419         } else if (hwaddr_aton(cmd, bssid) == 0)
4420                 bss = wpa_bss_get_bssid(wpa_s, bssid);
4421         else {
4422                 struct wpa_bss *tmp;
4423                 i = atoi(cmd);
4424                 bss = NULL;
4425                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4426                 {
4427                         if (i-- == 0) {
4428                                 bss = tmp;
4429                                 break;
4430                         }
4431                 }
4432         }
4433
4434         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4435                 mask = strtoul(ctmp + 5, NULL, 0x10);
4436                 if (mask == 0)
4437                         mask = WPA_BSS_MASK_ALL;
4438         }
4439
4440         if (bss == NULL)
4441                 return 0;
4442
4443         if (bsslast == NULL)
4444                 bsslast = bss;
4445         do {
4446                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4447                 ret += len;
4448                 buf += len;
4449                 buflen -= len;
4450                 if (bss == bsslast) {
4451                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
4452                             (bss == dl_list_last(&wpa_s->bss_id,
4453                                                  struct wpa_bss, list_id))) {
4454                                 int res;
4455
4456                                 res = os_snprintf(buf - 5, end - buf + 5,
4457                                                   "####\n");
4458                                 if (os_snprintf_error(end - buf + 5, res)) {
4459                                         wpa_printf(MSG_DEBUG,
4460                                                    "Could not add end delim");
4461                                 }
4462                         }
4463                         break;
4464                 }
4465                 next = bss->list_id.next;
4466                 if (next == &wpa_s->bss_id)
4467                         break;
4468                 bss = dl_list_entry(next, struct wpa_bss, list_id);
4469         } while (bss && len);
4470
4471         return ret;
4472 }
4473
4474
4475 static int wpa_supplicant_ctrl_iface_ap_scan(
4476         struct wpa_supplicant *wpa_s, char *cmd)
4477 {
4478         int ap_scan = atoi(cmd);
4479         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4480 }
4481
4482
4483 static int wpa_supplicant_ctrl_iface_scan_interval(
4484         struct wpa_supplicant *wpa_s, char *cmd)
4485 {
4486         int scan_int = atoi(cmd);
4487         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4488 }
4489
4490
4491 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4492         struct wpa_supplicant *wpa_s, char *cmd)
4493 {
4494         int expire_age = atoi(cmd);
4495         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4496 }
4497
4498
4499 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4500         struct wpa_supplicant *wpa_s, char *cmd)
4501 {
4502         int expire_count = atoi(cmd);
4503         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4504 }
4505
4506
4507 static void wpa_supplicant_ctrl_iface_bss_flush(
4508         struct wpa_supplicant *wpa_s, char *cmd)
4509 {
4510         int flush_age = atoi(cmd);
4511
4512         if (flush_age == 0)
4513                 wpa_bss_flush(wpa_s);
4514         else
4515                 wpa_bss_flush_by_age(wpa_s, flush_age);
4516 }
4517
4518
4519 #ifdef CONFIG_TESTING_OPTIONS
4520 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4521 {
4522         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4523         /* MLME-DELETEKEYS.request */
4524         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4525         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4526         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4527         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4528 #ifdef CONFIG_IEEE80211W
4529         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4530         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4531 #endif /* CONFIG_IEEE80211W */
4532
4533         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4534                         0);
4535         /* MLME-SETPROTECTION.request(None) */
4536         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4537                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4538                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4539         wpa_sm_drop_sa(wpa_s->wpa);
4540 }
4541 #endif /* CONFIG_TESTING_OPTIONS */
4542
4543
4544 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4545                                           char *addr)
4546 {
4547 #ifdef CONFIG_NO_SCAN_PROCESSING
4548         return -1;
4549 #else /* CONFIG_NO_SCAN_PROCESSING */
4550         u8 bssid[ETH_ALEN];
4551         struct wpa_bss *bss;
4552         struct wpa_ssid *ssid = wpa_s->current_ssid;
4553
4554         if (hwaddr_aton(addr, bssid)) {
4555                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4556                            "address '%s'", addr);
4557                 return -1;
4558         }
4559
4560         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4561
4562         if (!ssid) {
4563                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4564                            "configuration known for the target AP");
4565                 return -1;
4566         }
4567
4568         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4569         if (!bss) {
4570                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4571                            "from BSS table");
4572                 return -1;
4573         }
4574
4575         /*
4576          * TODO: Find best network configuration block from configuration to
4577          * allow roaming to other networks
4578          */
4579
4580         wpa_s->reassociate = 1;
4581         wpa_supplicant_connect(wpa_s, bss, ssid);
4582
4583         return 0;
4584 #endif /* CONFIG_NO_SCAN_PROCESSING */
4585 }
4586
4587
4588 #ifdef CONFIG_P2P
4589 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4590 {
4591         unsigned int timeout = atoi(cmd);
4592         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4593         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4594         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4595         char *pos;
4596         unsigned int search_delay;
4597         const char *_seek[P2P_MAX_QUERY_HASH + 1], **seek = NULL;
4598         u8 seek_count = 0;
4599         int freq = 0;
4600
4601         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4602                 wpa_dbg(wpa_s, MSG_INFO,
4603                         "Reject P2P_FIND since interface is disabled");
4604                 return -1;
4605         }
4606         if (os_strstr(cmd, "type=social"))
4607                 type = P2P_FIND_ONLY_SOCIAL;
4608         else if (os_strstr(cmd, "type=progressive"))
4609                 type = P2P_FIND_PROGRESSIVE;
4610
4611         pos = os_strstr(cmd, "dev_id=");
4612         if (pos) {
4613                 pos += 7;
4614                 if (hwaddr_aton(pos, dev_id))
4615                         return -1;
4616                 _dev_id = dev_id;
4617         }
4618
4619         pos = os_strstr(cmd, "dev_type=");
4620         if (pos) {
4621                 pos += 9;
4622                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4623                         return -1;
4624                 _dev_type = dev_type;
4625         }
4626
4627         pos = os_strstr(cmd, "delay=");
4628         if (pos) {
4629                 pos += 6;
4630                 search_delay = atoi(pos);
4631         } else
4632                 search_delay = wpas_p2p_search_delay(wpa_s);
4633
4634         pos = os_strstr(cmd, "freq=");
4635         if (pos) {
4636                 pos += 5;
4637                 freq = atoi(pos);
4638                 if (freq <= 0)
4639                         return -1;
4640         }
4641
4642         /* Must be searched for last, because it adds nul termination */
4643         pos = os_strstr(cmd, " seek=");
4644         if (pos)
4645                 pos += 6;
4646         while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
4647                 char *term;
4648
4649                 _seek[seek_count++] = pos;
4650                 seek = _seek;
4651                 term = os_strchr(pos, ' ');
4652                 if (!term)
4653                         break;
4654                 *term = '\0';
4655                 pos = os_strstr(term + 1, "seek=");
4656                 if (pos)
4657                         pos += 5;
4658         }
4659         if (seek_count > P2P_MAX_QUERY_HASH) {
4660                 seek[0] = NULL;
4661                 seek_count = 1;
4662         }
4663
4664         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4665                              _dev_id, search_delay, seek_count, seek, freq);
4666 }
4667
4668
4669 static int p2ps_ctrl_parse_cpt_priority(const char *pos, u8 *cpt)
4670 {
4671         const char *last = NULL;
4672         const char *token;
4673         long int token_len;
4674         unsigned int i;
4675
4676         /* Expected predefined CPT names delimited by ':' */
4677         for (i = 0; (token = cstr_token(pos, ": \t", &last)); i++) {
4678                 if (i >= P2PS_FEATURE_CAPAB_CPT_MAX) {
4679                         wpa_printf(MSG_ERROR,
4680                                    "P2PS: CPT name list is too long, expected up to %d names",
4681                                    P2PS_FEATURE_CAPAB_CPT_MAX);
4682                         cpt[0] = 0;
4683                         return -1;
4684                 }
4685
4686                 token_len = last - token;
4687
4688                 if (token_len  == 3 &&
4689                     os_memcmp(token, "UDP", token_len) == 0) {
4690                         cpt[i] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4691                 } else if (token_len == 3 &&
4692                            os_memcmp(token, "MAC", token_len) == 0) {
4693                         cpt[i] = P2PS_FEATURE_CAPAB_MAC_TRANSPORT;
4694                 } else {
4695                         wpa_printf(MSG_ERROR,
4696                                    "P2PS: Unsupported CPT name '%s'", token);
4697                         cpt[0] = 0;
4698                         return -1;
4699                 }
4700
4701                 if (isblank(*last)) {
4702                         i++;
4703                         break;
4704                 }
4705         }
4706         cpt[i] = 0;
4707         return 0;
4708 }
4709
4710
4711 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
4712 {
4713         struct p2ps_provision *p2ps_prov;
4714         char *pos;
4715         size_t info_len = 0;
4716         char *info = NULL;
4717         u8 role = P2PS_SETUP_NONE;
4718         long long unsigned val;
4719         int i;
4720
4721         pos = os_strstr(cmd, "info=");
4722         if (pos) {
4723                 pos += 5;
4724                 info_len = os_strlen(pos);
4725
4726                 if (info_len) {
4727                         info = os_malloc(info_len + 1);
4728                         if (info) {
4729                                 info_len = utf8_unescape(pos, info_len,
4730                                                          info, info_len + 1);
4731                         } else
4732                                 info_len = 0;
4733                 }
4734         }
4735
4736         p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
4737         if (p2ps_prov == NULL) {
4738                 os_free(info);
4739                 return NULL;
4740         }
4741
4742         if (info) {
4743                 os_memcpy(p2ps_prov->info, info, info_len);
4744                 p2ps_prov->info[info_len] = '\0';
4745                 os_free(info);
4746         }
4747
4748         pos = os_strstr(cmd, "status=");
4749         if (pos)
4750                 p2ps_prov->status = atoi(pos + 7);
4751         else
4752                 p2ps_prov->status = -1;
4753
4754         pos = os_strstr(cmd, "adv_id=");
4755         if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
4756                 goto invalid_args;
4757         p2ps_prov->adv_id = val;
4758
4759         pos = os_strstr(cmd, "method=");
4760         if (pos)
4761                 p2ps_prov->method = strtol(pos + 7, NULL, 16);
4762         else
4763                 p2ps_prov->method = 0;
4764
4765         pos = os_strstr(cmd, "session=");
4766         if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
4767                 goto invalid_args;
4768         p2ps_prov->session_id = val;
4769
4770         pos = os_strstr(cmd, "adv_mac=");
4771         if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
4772                 goto invalid_args;
4773
4774         pos = os_strstr(cmd, "session_mac=");
4775         if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
4776                 goto invalid_args;
4777
4778         pos = os_strstr(cmd, "cpt=");
4779         if (pos) {
4780                 if (p2ps_ctrl_parse_cpt_priority(pos + 4,
4781                                                  p2ps_prov->cpt_priority))
4782                         goto invalid_args;
4783         } else {
4784                 p2ps_prov->cpt_priority[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4785         }
4786
4787         for (i = 0; p2ps_prov->cpt_priority[i]; i++)
4788                 p2ps_prov->cpt_mask |= p2ps_prov->cpt_priority[i];
4789
4790         /* force conncap with tstCap (no sanity checks) */
4791         pos = os_strstr(cmd, "tstCap=");
4792         if (pos) {
4793                 role = strtol(pos + 7, NULL, 16);
4794         } else {
4795                 pos = os_strstr(cmd, "role=");
4796                 if (pos) {
4797                         role = strtol(pos + 5, NULL, 16);
4798                         if (role != P2PS_SETUP_CLIENT &&
4799                             role != P2PS_SETUP_GROUP_OWNER)
4800                                 role = P2PS_SETUP_NONE;
4801                 }
4802         }
4803         p2ps_prov->role = role;
4804
4805         return p2ps_prov;
4806
4807 invalid_args:
4808         os_free(p2ps_prov);
4809         return NULL;
4810 }
4811
4812
4813 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
4814 {
4815         u8 addr[ETH_ALEN];
4816         struct p2ps_provision *p2ps_prov;
4817         char *pos;
4818
4819         /* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
4820
4821         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4822
4823         if (hwaddr_aton(cmd, addr))
4824                 return -1;
4825
4826         pos = cmd + 17;
4827         if (*pos != ' ')
4828                 return -1;
4829
4830         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4831         if (!p2ps_prov)
4832                 return -1;
4833
4834         if (p2ps_prov->status < 0) {
4835                 os_free(p2ps_prov);
4836                 return -1;
4837         }
4838
4839         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4840                                   p2ps_prov);
4841 }
4842
4843
4844 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
4845 {
4846         u8 addr[ETH_ALEN];
4847         struct p2ps_provision *p2ps_prov;
4848         char *pos;
4849
4850         /* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
4851          *        session=<ses_id> mac=<ses_mac> [info=<infodata>]
4852          */
4853
4854         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4855         if (hwaddr_aton(cmd, addr))
4856                 return -1;
4857
4858         pos = cmd + 17;
4859         if (*pos != ' ')
4860                 return -1;
4861
4862         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4863         if (!p2ps_prov)
4864                 return -1;
4865
4866         p2ps_prov->pd_seeker = 1;
4867
4868         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4869                                   p2ps_prov);
4870 }
4871
4872
4873 static int parse_freq(int chwidth, int freq2)
4874 {
4875         if (freq2 < 0)
4876                 return -1;
4877         if (freq2)
4878                 return VHT_CHANWIDTH_80P80MHZ;
4879
4880         switch (chwidth) {
4881         case 0:
4882         case 20:
4883         case 40:
4884                 return VHT_CHANWIDTH_USE_HT;
4885         case 80:
4886                 return VHT_CHANWIDTH_80MHZ;
4887         case 160:
4888                 return VHT_CHANWIDTH_160MHZ;
4889         default:
4890                 wpa_printf(MSG_DEBUG, "Unknown max oper bandwidth: %d",
4891                            chwidth);
4892                 return -1;
4893         }
4894 }
4895
4896
4897 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4898                             char *buf, size_t buflen)
4899 {
4900         u8 addr[ETH_ALEN];
4901         char *pos, *pos2;
4902         char *pin = NULL;
4903         enum p2p_wps_method wps_method;
4904         int new_pin;
4905         int ret;
4906         int persistent_group, persistent_id = -1;
4907         int join;
4908         int auth;
4909         int automatic;
4910         int go_intent = -1;
4911         int freq = 0;
4912         int pd;
4913         int ht40, vht, max_oper_chwidth, chwidth = 0, freq2 = 0;
4914         u8 _group_ssid[SSID_MAX_LEN], *group_ssid = NULL;
4915         size_t group_ssid_len = 0;
4916
4917         if (!wpa_s->global->p2p_init_wpa_s)
4918                 return -1;
4919         if (wpa_s->global->p2p_init_wpa_s != wpa_s) {
4920                 wpa_dbg(wpa_s, MSG_DEBUG, "Direct P2P_CONNECT command to %s",
4921                         wpa_s->global->p2p_init_wpa_s->ifname);
4922                 wpa_s = wpa_s->global->p2p_init_wpa_s;
4923         }
4924
4925         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
4926          * [persistent|persistent=<network id>]
4927          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4928          * [ht40] [vht] [auto] [ssid=<hexdump>] */
4929
4930         if (hwaddr_aton(cmd, addr))
4931                 return -1;
4932
4933         pos = cmd + 17;
4934         if (*pos != ' ')
4935                 return -1;
4936         pos++;
4937
4938         persistent_group = os_strstr(pos, " persistent") != NULL;
4939         pos2 = os_strstr(pos, " persistent=");
4940         if (pos2) {
4941                 struct wpa_ssid *ssid;
4942                 persistent_id = atoi(pos2 + 12);
4943                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4944                 if (ssid == NULL || ssid->disabled != 2 ||
4945                     ssid->mode != WPAS_MODE_P2P_GO) {
4946                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4947                                    "SSID id=%d for persistent P2P group (GO)",
4948                                    persistent_id);
4949                         return -1;
4950                 }
4951         }
4952         join = os_strstr(pos, " join") != NULL;
4953         auth = os_strstr(pos, " auth") != NULL;
4954         automatic = os_strstr(pos, " auto") != NULL;
4955         pd = os_strstr(pos, " provdisc") != NULL;
4956         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4957         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4958                 vht;
4959
4960         pos2 = os_strstr(pos, " go_intent=");
4961         if (pos2) {
4962                 pos2 += 11;
4963                 go_intent = atoi(pos2);
4964                 if (go_intent < 0 || go_intent > 15)
4965                         return -1;
4966         }
4967
4968         pos2 = os_strstr(pos, " freq=");
4969         if (pos2) {
4970                 pos2 += 6;
4971                 freq = atoi(pos2);
4972                 if (freq <= 0)
4973                         return -1;
4974         }
4975
4976         pos2 = os_strstr(pos, " freq2=");
4977         if (pos2)
4978                 freq2 = atoi(pos2 + 7);
4979
4980         pos2 = os_strstr(pos, " max_oper_chwidth=");
4981         if (pos2)
4982                 chwidth = atoi(pos2 + 18);
4983
4984         max_oper_chwidth = parse_freq(chwidth, freq2);
4985         if (max_oper_chwidth < 0)
4986                 return -1;
4987
4988         pos2 = os_strstr(pos, " ssid=");
4989         if (pos2) {
4990                 char *end;
4991
4992                 pos2 += 6;
4993                 end = os_strchr(pos2, ' ');
4994                 if (!end)
4995                         group_ssid_len = os_strlen(pos2) / 2;
4996                 else
4997                         group_ssid_len = (end - pos2) / 2;
4998                 if (group_ssid_len == 0 || group_ssid_len > SSID_MAX_LEN ||
4999                     hexstr2bin(pos2, _group_ssid, group_ssid_len) < 0)
5000                         return -1;
5001                 group_ssid = _group_ssid;
5002         }
5003
5004         if (os_strncmp(pos, "pin", 3) == 0) {
5005                 /* Request random PIN (to be displayed) and enable the PIN */
5006                 wps_method = WPS_PIN_DISPLAY;
5007         } else if (os_strncmp(pos, "pbc", 3) == 0) {
5008                 wps_method = WPS_PBC;
5009         } else {
5010                 pin = pos;
5011                 pos = os_strchr(pin, ' ');
5012                 wps_method = WPS_PIN_KEYPAD;
5013                 if (pos) {
5014                         *pos++ = '\0';
5015                         if (os_strncmp(pos, "display", 7) == 0)
5016                                 wps_method = WPS_PIN_DISPLAY;
5017                         else if (os_strncmp(pos, "p2ps", 4) == 0)
5018                                 wps_method = WPS_P2PS;
5019                 }
5020                 if (!wps_pin_str_valid(pin)) {
5021                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
5022                         return 17;
5023                 }
5024         }
5025
5026         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
5027                                    persistent_group, automatic, join,
5028                                    auth, go_intent, freq, freq2, persistent_id,
5029                                    pd, ht40, vht, max_oper_chwidth,
5030                                    group_ssid, group_ssid_len);
5031         if (new_pin == -2) {
5032                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
5033                 return 25;
5034         }
5035         if (new_pin == -3) {
5036                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
5037                 return 25;
5038         }
5039         if (new_pin < 0)
5040                 return -1;
5041         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
5042                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
5043                 if (os_snprintf_error(buflen, ret))
5044                         return -1;
5045                 return ret;
5046         }
5047
5048         os_memcpy(buf, "OK\n", 3);
5049         return 3;
5050 }
5051
5052
5053 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
5054 {
5055         unsigned int timeout = atoi(cmd);
5056         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
5057                 wpa_dbg(wpa_s, MSG_INFO,
5058                         "Reject P2P_LISTEN since interface is disabled");
5059                 return -1;
5060         }
5061         return wpas_p2p_listen(wpa_s, timeout);
5062 }
5063
5064
5065 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
5066 {
5067         u8 addr[ETH_ALEN];
5068         char *pos;
5069         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
5070
5071         /* <addr> <config method> [join|auto] */
5072
5073         if (hwaddr_aton(cmd, addr))
5074                 return -1;
5075
5076         pos = cmd + 17;
5077         if (*pos != ' ')
5078                 return -1;
5079         pos++;
5080
5081         if (os_strstr(pos, " join") != NULL)
5082                 use = WPAS_P2P_PD_FOR_JOIN;
5083         else if (os_strstr(pos, " auto") != NULL)
5084                 use = WPAS_P2P_PD_AUTO;
5085
5086         return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
5087 }
5088
5089
5090 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
5091                               size_t buflen)
5092 {
5093         struct wpa_ssid *ssid = wpa_s->current_ssid;
5094
5095         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
5096             ssid->passphrase == NULL)
5097                 return -1;
5098
5099         os_strlcpy(buf, ssid->passphrase, buflen);
5100         return os_strlen(buf);
5101 }
5102
5103
5104 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
5105                                   char *buf, size_t buflen)
5106 {
5107         u64 ref;
5108         int res;
5109         u8 dst_buf[ETH_ALEN], *dst;
5110         struct wpabuf *tlvs;
5111         char *pos;
5112         size_t len;
5113
5114         if (hwaddr_aton(cmd, dst_buf))
5115                 return -1;
5116         dst = dst_buf;
5117         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
5118             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
5119                 dst = NULL;
5120         pos = cmd + 17;
5121         if (*pos != ' ')
5122                 return -1;
5123         pos++;
5124
5125         if (os_strncmp(pos, "upnp ", 5) == 0) {
5126                 u8 version;
5127                 pos += 5;
5128                 if (hexstr2bin(pos, &version, 1) < 0)
5129                         return -1;
5130                 pos += 2;
5131                 if (*pos != ' ')
5132                         return -1;
5133                 pos++;
5134                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
5135 #ifdef CONFIG_WIFI_DISPLAY
5136         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
5137                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
5138 #endif /* CONFIG_WIFI_DISPLAY */
5139         } else if (os_strncmp(pos, "asp ", 4) == 0) {
5140                 char *svc_str;
5141                 char *svc_info = NULL;
5142                 u32 id;
5143
5144                 pos += 4;
5145                 if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
5146                         return -1;
5147
5148                 pos = os_strchr(pos, ' ');
5149                 if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
5150                         return -1;
5151
5152                 svc_str = pos + 1;
5153
5154                 pos = os_strchr(svc_str, ' ');
5155
5156                 if (pos)
5157                         *pos++ = '\0';
5158
5159                 /* All remaining data is the svc_info string */
5160                 if (pos && pos[0] && pos[0] != ' ') {
5161                         len = os_strlen(pos);
5162
5163                         /* Unescape in place */
5164                         len = utf8_unescape(pos, len, pos, len);
5165                         if (len > 0xff)
5166                                 return -1;
5167
5168                         svc_info = pos;
5169                 }
5170
5171                 ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
5172                                               svc_str, svc_info);
5173         } else {
5174                 len = os_strlen(pos);
5175                 if (len & 1)
5176                         return -1;
5177                 len /= 2;
5178                 tlvs = wpabuf_alloc(len);
5179                 if (tlvs == NULL)
5180                         return -1;
5181                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
5182                         wpabuf_free(tlvs);
5183                         return -1;
5184                 }
5185
5186                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
5187                 wpabuf_free(tlvs);
5188         }
5189         if (ref == 0)
5190                 return -1;
5191         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
5192         if (os_snprintf_error(buflen, res))
5193                 return -1;
5194         return res;
5195 }
5196
5197
5198 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
5199                                          char *cmd)
5200 {
5201         long long unsigned val;
5202         u64 req;
5203         if (sscanf(cmd, "%llx", &val) != 1)
5204                 return -1;
5205         req = val;
5206         return wpas_p2p_sd_cancel_request(wpa_s, req);
5207 }
5208
5209
5210 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
5211 {
5212         int freq;
5213         u8 dst[ETH_ALEN];
5214         u8 dialog_token;
5215         struct wpabuf *resp_tlvs;
5216         char *pos, *pos2;
5217         size_t len;
5218
5219         pos = os_strchr(cmd, ' ');
5220         if (pos == NULL)
5221                 return -1;
5222         *pos++ = '\0';
5223         freq = atoi(cmd);
5224         if (freq == 0)
5225                 return -1;
5226
5227         if (hwaddr_aton(pos, dst))
5228                 return -1;
5229         pos += 17;
5230         if (*pos != ' ')
5231                 return -1;
5232         pos++;
5233
5234         pos2 = os_strchr(pos, ' ');
5235         if (pos2 == NULL)
5236                 return -1;
5237         *pos2++ = '\0';
5238         dialog_token = atoi(pos);
5239
5240         len = os_strlen(pos2);
5241         if (len & 1)
5242                 return -1;
5243         len /= 2;
5244         resp_tlvs = wpabuf_alloc(len);
5245         if (resp_tlvs == NULL)
5246                 return -1;
5247         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
5248                 wpabuf_free(resp_tlvs);
5249                 return -1;
5250         }
5251
5252         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
5253         wpabuf_free(resp_tlvs);
5254         return 0;
5255 }
5256
5257
5258 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
5259                                        char *cmd)
5260 {
5261         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
5262                 return -1;
5263         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
5264         return 0;
5265 }
5266
5267
5268 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
5269                                         char *cmd)
5270 {
5271         char *pos;
5272         size_t len;
5273         struct wpabuf *query, *resp;
5274
5275         pos = os_strchr(cmd, ' ');
5276         if (pos == NULL)
5277                 return -1;
5278         *pos++ = '\0';
5279
5280         len = os_strlen(cmd);
5281         if (len & 1)
5282                 return -1;
5283         len /= 2;
5284         query = wpabuf_alloc(len);
5285         if (query == NULL)
5286                 return -1;
5287         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5288                 wpabuf_free(query);
5289                 return -1;
5290         }
5291
5292         len = os_strlen(pos);
5293         if (len & 1) {
5294                 wpabuf_free(query);
5295                 return -1;
5296         }
5297         len /= 2;
5298         resp = wpabuf_alloc(len);
5299         if (resp == NULL) {
5300                 wpabuf_free(query);
5301                 return -1;
5302         }
5303         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
5304                 wpabuf_free(query);
5305                 wpabuf_free(resp);
5306                 return -1;
5307         }
5308
5309         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
5310                 wpabuf_free(query);
5311                 wpabuf_free(resp);
5312                 return -1;
5313         }
5314         return 0;
5315 }
5316
5317
5318 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5319 {
5320         char *pos;
5321         u8 version;
5322
5323         pos = os_strchr(cmd, ' ');
5324         if (pos == NULL)
5325                 return -1;
5326         *pos++ = '\0';
5327
5328         if (hexstr2bin(cmd, &version, 1) < 0)
5329                 return -1;
5330
5331         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
5332 }
5333
5334
5335 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
5336                                     u8 replace, char *cmd)
5337 {
5338         char *pos;
5339         char *adv_str;
5340         u32 auto_accept, adv_id, svc_state, config_methods;
5341         char *svc_info = NULL;
5342         char *cpt_prio_str;
5343         u8 cpt_prio[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
5344
5345         pos = os_strchr(cmd, ' ');
5346         if (pos == NULL)
5347                 return -1;
5348         *pos++ = '\0';
5349
5350         /* Auto-Accept value is mandatory, and must be one of the
5351          * single values (0, 1, 2, 4) */
5352         auto_accept = atoi(cmd);
5353         switch (auto_accept) {
5354         case P2PS_SETUP_NONE: /* No auto-accept */
5355         case P2PS_SETUP_NEW:
5356         case P2PS_SETUP_CLIENT:
5357         case P2PS_SETUP_GROUP_OWNER:
5358                 break;
5359         default:
5360                 return -1;
5361         }
5362
5363         /* Advertisement ID is mandatory */
5364         cmd = pos;
5365         pos = os_strchr(cmd, ' ');
5366         if (pos == NULL)
5367                 return -1;
5368         *pos++ = '\0';
5369
5370         /* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
5371         if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
5372                 return -1;
5373
5374         /* Only allow replacements if exist, and adds if not */
5375         if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
5376                 if (!replace)
5377                         return -1;
5378         } else {
5379                 if (replace)
5380                         return -1;
5381         }
5382
5383         /* svc_state between 0 - 0xff is mandatory */
5384         if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
5385                 return -1;
5386
5387         pos = os_strchr(pos, ' ');
5388         if (pos == NULL)
5389                 return -1;
5390
5391         /* config_methods is mandatory */
5392         pos++;
5393         if (sscanf(pos, "%x", &config_methods) != 1)
5394                 return -1;
5395
5396         if (!(config_methods &
5397               (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
5398                 return -1;
5399
5400         pos = os_strchr(pos, ' ');
5401         if (pos == NULL)
5402                 return -1;
5403
5404         pos++;
5405         adv_str = pos;
5406
5407         /* Advertisement string is mandatory */
5408         if (!pos[0] || pos[0] == ' ')
5409                 return -1;
5410
5411         /* Terminate svc string */
5412         pos = os_strchr(pos, ' ');
5413         if (pos != NULL)
5414                 *pos++ = '\0';
5415
5416         cpt_prio_str = (pos && pos[0]) ? os_strstr(pos, "cpt=") : NULL;
5417         if (cpt_prio_str) {
5418                 pos = os_strchr(pos, ' ');
5419                 if (pos != NULL)
5420                         *pos++ = '\0';
5421
5422                 if (p2ps_ctrl_parse_cpt_priority(cpt_prio_str + 4, cpt_prio))
5423                         return -1;
5424         } else {
5425                 cpt_prio[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
5426                 cpt_prio[1] = 0;
5427         }
5428
5429         /* Service and Response Information are optional */
5430         if (pos && pos[0]) {
5431                 size_t len;
5432
5433                 /* Note the bare ' included, which cannot exist legally
5434                  * in unescaped string. */
5435                 svc_info = os_strstr(pos, "svc_info='");
5436
5437                 if (svc_info) {
5438                         svc_info += 9;
5439                         len = os_strlen(svc_info);
5440                         utf8_unescape(svc_info, len, svc_info, len);
5441                 }
5442         }
5443
5444         return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
5445                                         (u8) svc_state, (u16) config_methods,
5446                                         svc_info, cpt_prio);
5447 }
5448
5449
5450 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
5451 {
5452         char *pos;
5453
5454         pos = os_strchr(cmd, ' ');
5455         if (pos == NULL)
5456                 return -1;
5457         *pos++ = '\0';
5458
5459         if (os_strcmp(cmd, "bonjour") == 0)
5460                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
5461         if (os_strcmp(cmd, "upnp") == 0)
5462                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
5463         if (os_strcmp(cmd, "asp") == 0)
5464                 return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
5465         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5466         return -1;
5467 }
5468
5469
5470 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
5471                                         char *cmd)
5472 {
5473         size_t len;
5474         struct wpabuf *query;
5475         int ret;
5476
5477         len = os_strlen(cmd);
5478         if (len & 1)
5479                 return -1;
5480         len /= 2;
5481         query = wpabuf_alloc(len);
5482         if (query == NULL)
5483                 return -1;
5484         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5485                 wpabuf_free(query);
5486                 return -1;
5487         }
5488
5489         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
5490         wpabuf_free(query);
5491         return ret;
5492 }
5493
5494
5495 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5496 {
5497         char *pos;
5498         u8 version;
5499
5500         pos = os_strchr(cmd, ' ');
5501         if (pos == NULL)
5502                 return -1;
5503         *pos++ = '\0';
5504
5505         if (hexstr2bin(cmd, &version, 1) < 0)
5506                 return -1;
5507
5508         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
5509 }
5510
5511
5512 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
5513 {
5514         u32 adv_id;
5515
5516         if (os_strcmp(cmd, "all") == 0) {
5517                 wpas_p2p_service_flush_asp(wpa_s);
5518                 return 0;
5519         }
5520
5521         if (sscanf(cmd, "%x", &adv_id) != 1)
5522                 return -1;
5523
5524         return wpas_p2p_service_del_asp(wpa_s, adv_id);
5525 }
5526
5527
5528 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
5529 {
5530         char *pos;
5531
5532         pos = os_strchr(cmd, ' ');
5533         if (pos == NULL)
5534                 return -1;
5535         *pos++ = '\0';
5536
5537         if (os_strcmp(cmd, "bonjour") == 0)
5538                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
5539         if (os_strcmp(cmd, "upnp") == 0)
5540                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
5541         if (os_strcmp(cmd, "asp") == 0)
5542                 return p2p_ctrl_service_del_asp(wpa_s, pos);
5543         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5544         return -1;
5545 }
5546
5547
5548 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
5549 {
5550         char *pos;
5551
5552         pos = os_strchr(cmd, ' ');
5553         if (pos == NULL)
5554                 return -1;
5555         *pos++ = '\0';
5556
5557         if (os_strcmp(cmd, "asp") == 0)
5558                 return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
5559
5560         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5561         return -1;
5562 }
5563
5564
5565 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
5566 {
5567         u8 addr[ETH_ALEN];
5568
5569         /* <addr> */
5570
5571         if (hwaddr_aton(cmd, addr))
5572                 return -1;
5573
5574         return wpas_p2p_reject(wpa_s, addr);
5575 }
5576
5577
5578 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
5579 {
5580         char *pos;
5581         int id;
5582         struct wpa_ssid *ssid;
5583         u8 *_peer = NULL, peer[ETH_ALEN];
5584         int freq = 0, pref_freq = 0;
5585         int ht40, vht, max_oper_chwidth, chwidth = 0, freq2 = 0;
5586
5587         id = atoi(cmd);
5588         pos = os_strstr(cmd, " peer=");
5589         if (pos) {
5590                 pos += 6;
5591                 if (hwaddr_aton(pos, peer))
5592                         return -1;
5593                 _peer = peer;
5594         }
5595         ssid = wpa_config_get_network(wpa_s->conf, id);
5596         if (ssid == NULL || ssid->disabled != 2) {
5597                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5598                            "for persistent P2P group",
5599                            id);
5600                 return -1;
5601         }
5602
5603         pos = os_strstr(cmd, " freq=");
5604         if (pos) {
5605                 pos += 6;
5606                 freq = atoi(pos);
5607                 if (freq <= 0)
5608                         return -1;
5609         }
5610
5611         pos = os_strstr(cmd, " pref=");
5612         if (pos) {
5613                 pos += 6;
5614                 pref_freq = atoi(pos);
5615                 if (pref_freq <= 0)
5616                         return -1;
5617         }
5618
5619         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5620         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5621                 vht;
5622
5623         pos = os_strstr(cmd, "freq2=");
5624         if (pos)
5625                 freq2 = atoi(pos + 6);
5626
5627         pos = os_strstr(cmd, " max_oper_chwidth=");
5628         if (pos)
5629                 chwidth = atoi(pos + 18);
5630
5631         max_oper_chwidth = parse_freq(chwidth, freq2);
5632         if (max_oper_chwidth < 0)
5633                 return -1;
5634
5635         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, freq2, ht40, vht,
5636                                max_oper_chwidth, pref_freq);
5637 }
5638
5639
5640 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
5641 {
5642         char *pos;
5643         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
5644
5645         pos = os_strstr(cmd, " peer=");
5646         if (!pos)
5647                 return -1;
5648
5649         *pos = '\0';
5650         pos += 6;
5651         if (hwaddr_aton(pos, peer)) {
5652                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
5653                 return -1;
5654         }
5655
5656         pos = os_strstr(pos, " go_dev_addr=");
5657         if (pos) {
5658                 pos += 13;
5659                 if (hwaddr_aton(pos, go_dev_addr)) {
5660                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
5661                                    pos);
5662                         return -1;
5663                 }
5664                 go_dev = go_dev_addr;
5665         }
5666
5667         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
5668 }
5669
5670
5671 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
5672 {
5673         if (os_strncmp(cmd, "persistent=", 11) == 0)
5674                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
5675         if (os_strncmp(cmd, "group=", 6) == 0)
5676                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
5677
5678         return -1;
5679 }
5680
5681
5682 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
5683                                          int id, int freq, int vht_center_freq2,
5684                                          int ht40, int vht, int vht_chwidth)
5685 {
5686         struct wpa_ssid *ssid;
5687
5688         ssid = wpa_config_get_network(wpa_s->conf, id);
5689         if (ssid == NULL || ssid->disabled != 2) {
5690                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5691                            "for persistent P2P group",
5692                            id);
5693                 return -1;
5694         }
5695
5696         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq,
5697                                              vht_center_freq2, 0, ht40, vht,
5698                                              vht_chwidth, NULL, 0, 0);
5699 }
5700
5701
5702 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
5703 {
5704         int freq = 0, persistent = 0, group_id = -1;
5705         int vht = wpa_s->conf->p2p_go_vht;
5706         int ht40 = wpa_s->conf->p2p_go_ht40 || vht;
5707         int max_oper_chwidth, chwidth = 0, freq2 = 0;
5708         char *token, *context = NULL;
5709
5710         while ((token = str_token(cmd, " ", &context))) {
5711                 if (sscanf(token, "freq=%d", &freq) == 1 ||
5712                     sscanf(token, "freq2=%d", &freq2) == 1 ||
5713                     sscanf(token, "persistent=%d", &group_id) == 1 ||
5714                     sscanf(token, "max_oper_chwidth=%d", &chwidth) == 1) {
5715                         continue;
5716                 } else if (os_strcmp(token, "ht40") == 0) {
5717                         ht40 = 1;
5718                 } else if (os_strcmp(token, "vht") == 0) {
5719                         vht = 1;
5720                         ht40 = 1;
5721                 } else if (os_strcmp(token, "persistent") == 0) {
5722                         persistent = 1;
5723                 } else {
5724                         wpa_printf(MSG_DEBUG,
5725                                    "CTRL: Invalid P2P_GROUP_ADD parameter: '%s'",
5726                                    token);
5727                         return -1;
5728                 }
5729         }
5730
5731         max_oper_chwidth = parse_freq(chwidth, freq2);
5732         if (max_oper_chwidth < 0)
5733                 return -1;
5734
5735         if (group_id >= 0)
5736                 return p2p_ctrl_group_add_persistent(wpa_s, group_id,
5737                                                      freq, freq2, ht40, vht,
5738                                                      max_oper_chwidth);
5739
5740         return wpas_p2p_group_add(wpa_s, persistent, freq, freq2, ht40, vht,
5741                                   max_oper_chwidth);
5742 }
5743
5744
5745 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
5746                          char *buf, size_t buflen)
5747 {
5748         u8 addr[ETH_ALEN], *addr_ptr;
5749         int next, res;
5750         const struct p2p_peer_info *info;
5751         char *pos, *end;
5752         char devtype[WPS_DEV_TYPE_BUFSIZE];
5753         struct wpa_ssid *ssid;
5754         size_t i;
5755
5756         if (!wpa_s->global->p2p)
5757                 return -1;
5758
5759         if (os_strcmp(cmd, "FIRST") == 0) {
5760                 addr_ptr = NULL;
5761                 next = 0;
5762         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5763                 if (hwaddr_aton(cmd + 5, addr) < 0)
5764                         return -1;
5765                 addr_ptr = addr;
5766                 next = 1;
5767         } else {
5768                 if (hwaddr_aton(cmd, addr) < 0)
5769                         return -1;
5770                 addr_ptr = addr;
5771                 next = 0;
5772         }
5773
5774         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
5775         if (info == NULL)
5776                 return -1;
5777
5778         pos = buf;
5779         end = buf + buflen;
5780
5781         res = os_snprintf(pos, end - pos, MACSTR "\n"
5782                           "pri_dev_type=%s\n"
5783                           "device_name=%s\n"
5784                           "manufacturer=%s\n"
5785                           "model_name=%s\n"
5786                           "model_number=%s\n"
5787                           "serial_number=%s\n"
5788                           "config_methods=0x%x\n"
5789                           "dev_capab=0x%x\n"
5790                           "group_capab=0x%x\n"
5791                           "level=%d\n",
5792                           MAC2STR(info->p2p_device_addr),
5793                           wps_dev_type_bin2str(info->pri_dev_type,
5794                                                devtype, sizeof(devtype)),
5795                           info->device_name,
5796                           info->manufacturer,
5797                           info->model_name,
5798                           info->model_number,
5799                           info->serial_number,
5800                           info->config_methods,
5801                           info->dev_capab,
5802                           info->group_capab,
5803                           info->level);
5804         if (os_snprintf_error(end - pos, res))
5805                 return pos - buf;
5806         pos += res;
5807
5808         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
5809         {
5810                 const u8 *t;
5811                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
5812                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
5813                                   wps_dev_type_bin2str(t, devtype,
5814                                                        sizeof(devtype)));
5815                 if (os_snprintf_error(end - pos, res))
5816                         return pos - buf;
5817                 pos += res;
5818         }
5819
5820         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
5821         if (ssid) {
5822                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
5823                 if (os_snprintf_error(end - pos, res))
5824                         return pos - buf;
5825                 pos += res;
5826         }
5827
5828         res = p2p_get_peer_info_txt(info, pos, end - pos);
5829         if (res < 0)
5830                 return pos - buf;
5831         pos += res;
5832
5833         if (info->vendor_elems) {
5834                 res = os_snprintf(pos, end - pos, "vendor_elems=");
5835                 if (os_snprintf_error(end - pos, res))
5836                         return pos - buf;
5837                 pos += res;
5838
5839                 pos += wpa_snprintf_hex(pos, end - pos,
5840                                         wpabuf_head(info->vendor_elems),
5841                                         wpabuf_len(info->vendor_elems));
5842
5843                 res = os_snprintf(pos, end - pos, "\n");
5844                 if (os_snprintf_error(end - pos, res))
5845                         return pos - buf;
5846                 pos += res;
5847         }
5848
5849         return pos - buf;
5850 }
5851
5852
5853 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
5854                                   const char *param)
5855 {
5856         unsigned int i;
5857
5858         if (wpa_s->global->p2p == NULL)
5859                 return -1;
5860
5861         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
5862                 return -1;
5863
5864         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
5865                 struct wpa_freq_range *freq;
5866                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
5867                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
5868                            freq->min, freq->max);
5869         }
5870
5871         wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DISALLOW);
5872         return 0;
5873 }
5874
5875
5876 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
5877 {
5878         char *param;
5879
5880         if (wpa_s->global->p2p == NULL)
5881                 return -1;
5882
5883         param = os_strchr(cmd, ' ');
5884         if (param == NULL)
5885                 return -1;
5886         *param++ = '\0';
5887
5888         if (os_strcmp(cmd, "discoverability") == 0) {
5889                 p2p_set_client_discoverability(wpa_s->global->p2p,
5890                                                atoi(param));
5891                 return 0;
5892         }
5893
5894         if (os_strcmp(cmd, "managed") == 0) {
5895                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5896                 return 0;
5897         }
5898
5899         if (os_strcmp(cmd, "listen_channel") == 0) {
5900                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
5901                                               atoi(param), 1);
5902         }
5903
5904         if (os_strcmp(cmd, "ssid_postfix") == 0) {
5905                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
5906                                             os_strlen(param));
5907         }
5908
5909         if (os_strcmp(cmd, "noa") == 0) {
5910                 char *pos;
5911                 int count, start, duration;
5912                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
5913                 count = atoi(param);
5914                 pos = os_strchr(param, ',');
5915                 if (pos == NULL)
5916                         return -1;
5917                 pos++;
5918                 start = atoi(pos);
5919                 pos = os_strchr(pos, ',');
5920                 if (pos == NULL)
5921                         return -1;
5922                 pos++;
5923                 duration = atoi(pos);
5924                 if (count < 0 || count > 255 || start < 0 || duration < 0)
5925                         return -1;
5926                 if (count == 0 && duration > 0)
5927                         return -1;
5928                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
5929                            "start=%d duration=%d", count, start, duration);
5930                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
5931         }
5932
5933         if (os_strcmp(cmd, "ps") == 0)
5934                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
5935
5936         if (os_strcmp(cmd, "oppps") == 0)
5937                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
5938
5939         if (os_strcmp(cmd, "ctwindow") == 0)
5940                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
5941
5942         if (os_strcmp(cmd, "disabled") == 0) {
5943                 wpa_s->global->p2p_disabled = atoi(param);
5944                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
5945                            wpa_s->global->p2p_disabled ?
5946                            "disabled" : "enabled");
5947                 if (wpa_s->global->p2p_disabled) {
5948                         wpas_p2p_stop_find(wpa_s);
5949                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5950                         p2p_flush(wpa_s->global->p2p);
5951                 }
5952                 return 0;
5953         }
5954
5955         if (os_strcmp(cmd, "conc_pref") == 0) {
5956                 if (os_strcmp(param, "sta") == 0)
5957                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
5958                 else if (os_strcmp(param, "p2p") == 0)
5959                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
5960                 else {
5961                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
5962                         return -1;
5963                 }
5964                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
5965                            "%s", param);
5966                 return 0;
5967         }
5968
5969         if (os_strcmp(cmd, "force_long_sd") == 0) {
5970                 wpa_s->force_long_sd = atoi(param);
5971                 return 0;
5972         }
5973
5974         if (os_strcmp(cmd, "peer_filter") == 0) {
5975                 u8 addr[ETH_ALEN];
5976                 if (hwaddr_aton(param, addr))
5977                         return -1;
5978                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
5979                 return 0;
5980         }
5981
5982         if (os_strcmp(cmd, "cross_connect") == 0)
5983                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
5984
5985         if (os_strcmp(cmd, "go_apsd") == 0) {
5986                 if (os_strcmp(param, "disable") == 0)
5987                         wpa_s->set_ap_uapsd = 0;
5988                 else {
5989                         wpa_s->set_ap_uapsd = 1;
5990                         wpa_s->ap_uapsd = atoi(param);
5991                 }
5992                 return 0;
5993         }
5994
5995         if (os_strcmp(cmd, "client_apsd") == 0) {
5996                 if (os_strcmp(param, "disable") == 0)
5997                         wpa_s->set_sta_uapsd = 0;
5998                 else {
5999                         int be, bk, vi, vo;
6000                         char *pos;
6001                         /* format: BE,BK,VI,VO;max SP Length */
6002                         be = atoi(param);
6003                         pos = os_strchr(param, ',');
6004                         if (pos == NULL)
6005                                 return -1;
6006                         pos++;
6007                         bk = atoi(pos);
6008                         pos = os_strchr(pos, ',');
6009                         if (pos == NULL)
6010                                 return -1;
6011                         pos++;
6012                         vi = atoi(pos);
6013                         pos = os_strchr(pos, ',');
6014                         if (pos == NULL)
6015                                 return -1;
6016                         pos++;
6017                         vo = atoi(pos);
6018                         /* ignore max SP Length for now */
6019
6020                         wpa_s->set_sta_uapsd = 1;
6021                         wpa_s->sta_uapsd = 0;
6022                         if (be)
6023                                 wpa_s->sta_uapsd |= BIT(0);
6024                         if (bk)
6025                                 wpa_s->sta_uapsd |= BIT(1);
6026                         if (vi)
6027                                 wpa_s->sta_uapsd |= BIT(2);
6028                         if (vo)
6029                                 wpa_s->sta_uapsd |= BIT(3);
6030                 }
6031                 return 0;
6032         }
6033
6034         if (os_strcmp(cmd, "disallow_freq") == 0)
6035                 return p2p_ctrl_disallow_freq(wpa_s, param);
6036
6037         if (os_strcmp(cmd, "disc_int") == 0) {
6038                 int min_disc_int, max_disc_int, max_disc_tu;
6039                 char *pos;
6040
6041                 pos = param;
6042
6043                 min_disc_int = atoi(pos);
6044                 pos = os_strchr(pos, ' ');
6045                 if (pos == NULL)
6046                         return -1;
6047                 *pos++ = '\0';
6048
6049                 max_disc_int = atoi(pos);
6050                 pos = os_strchr(pos, ' ');
6051                 if (pos == NULL)
6052                         return -1;
6053                 *pos++ = '\0';
6054
6055                 max_disc_tu = atoi(pos);
6056
6057                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
6058                                         max_disc_int, max_disc_tu);
6059         }
6060
6061         if (os_strcmp(cmd, "per_sta_psk") == 0) {
6062                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
6063                 return 0;
6064         }
6065
6066 #ifdef CONFIG_WPS_NFC
6067         if (os_strcmp(cmd, "nfc_tag") == 0)
6068                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
6069 #endif /* CONFIG_WPS_NFC */
6070
6071         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
6072                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
6073                 return 0;
6074         }
6075
6076         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
6077                    cmd);
6078
6079         return -1;
6080 }
6081
6082
6083 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
6084 {
6085         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
6086         wpa_s->force_long_sd = 0;
6087         wpas_p2p_stop_find(wpa_s);
6088         wpa_s->parent->p2ps_method_config_any = 0;
6089         if (wpa_s->global->p2p)
6090                 p2p_flush(wpa_s->global->p2p);
6091 }
6092
6093
6094 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
6095 {
6096         char *pos, *pos2;
6097         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
6098
6099         if (cmd[0]) {
6100                 pos = os_strchr(cmd, ' ');
6101                 if (pos == NULL)
6102                         return -1;
6103                 *pos++ = '\0';
6104                 dur1 = atoi(cmd);
6105
6106                 pos2 = os_strchr(pos, ' ');
6107                 if (pos2)
6108                         *pos2++ = '\0';
6109                 int1 = atoi(pos);
6110         } else
6111                 pos2 = NULL;
6112
6113         if (pos2) {
6114                 pos = os_strchr(pos2, ' ');
6115                 if (pos == NULL)
6116                         return -1;
6117                 *pos++ = '\0';
6118                 dur2 = atoi(pos2);
6119                 int2 = atoi(pos);
6120         }
6121
6122         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
6123 }
6124
6125
6126 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
6127 {
6128         char *pos;
6129         unsigned int period = 0, interval = 0;
6130
6131         if (cmd[0]) {
6132                 pos = os_strchr(cmd, ' ');
6133                 if (pos == NULL)
6134                         return -1;
6135                 *pos++ = '\0';
6136                 period = atoi(cmd);
6137                 interval = atoi(pos);
6138         }
6139
6140         return wpas_p2p_ext_listen(wpa_s, period, interval);
6141 }
6142
6143
6144 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
6145 {
6146         const char *pos;
6147         u8 peer[ETH_ALEN];
6148         int iface_addr = 0;
6149
6150         pos = cmd;
6151         if (os_strncmp(pos, "iface=", 6) == 0) {
6152                 iface_addr = 1;
6153                 pos += 6;
6154         }
6155         if (hwaddr_aton(pos, peer))
6156                 return -1;
6157
6158         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
6159         return 0;
6160 }
6161
6162 #endif /* CONFIG_P2P */
6163
6164
6165 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
6166 {
6167         struct wpa_freq_range_list ranges;
6168         int *freqs = NULL;
6169         struct hostapd_hw_modes *mode;
6170         u16 i;
6171
6172         if (wpa_s->hw.modes == NULL)
6173                 return NULL;
6174
6175         os_memset(&ranges, 0, sizeof(ranges));
6176         if (freq_range_list_parse(&ranges, val) < 0)
6177                 return NULL;
6178
6179         for (i = 0; i < wpa_s->hw.num_modes; i++) {
6180                 int j;
6181
6182                 mode = &wpa_s->hw.modes[i];
6183                 for (j = 0; j < mode->num_channels; j++) {
6184                         unsigned int freq;
6185
6186                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
6187                                 continue;
6188
6189                         freq = mode->channels[j].freq;
6190                         if (!freq_range_list_includes(&ranges, freq))
6191                                 continue;
6192
6193                         int_array_add_unique(&freqs, freq);
6194                 }
6195         }
6196
6197         os_free(ranges.range);
6198         return freqs;
6199 }
6200
6201
6202 #ifdef CONFIG_INTERWORKING
6203
6204 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
6205 {
6206         int auto_sel = 0;
6207         int *freqs = NULL;
6208
6209         if (param) {
6210                 char *pos;
6211
6212                 auto_sel = os_strstr(param, "auto") != NULL;
6213
6214                 pos = os_strstr(param, "freq=");
6215                 if (pos) {
6216                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
6217                         if (freqs == NULL)
6218                                 return -1;
6219                 }
6220
6221         }
6222
6223         return interworking_select(wpa_s, auto_sel, freqs);
6224 }
6225
6226
6227 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
6228                                      int only_add)
6229 {
6230         u8 bssid[ETH_ALEN];
6231         struct wpa_bss *bss;
6232
6233         if (hwaddr_aton(dst, bssid)) {
6234                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
6235                 return -1;
6236         }
6237
6238         bss = wpa_bss_get_bssid(wpa_s, bssid);
6239         if (bss == NULL) {
6240                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
6241                            MAC2STR(bssid));
6242                 return -1;
6243         }
6244
6245         if (bss->ssid_len == 0) {
6246                 int found = 0;
6247
6248                 wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
6249                            " does not have SSID information", MAC2STR(bssid));
6250
6251                 dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
6252                                          list) {
6253                         if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
6254                             bss->ssid_len > 0) {
6255                                 found = 1;
6256                                 break;
6257                         }
6258                 }
6259
6260                 if (!found)
6261                         return -1;
6262                 wpa_printf(MSG_DEBUG,
6263                            "Found another matching BSS entry with SSID");
6264         }
6265
6266         return interworking_connect(wpa_s, bss, only_add);
6267 }
6268
6269
6270 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
6271 {
6272         u8 dst_addr[ETH_ALEN];
6273         int used;
6274         char *pos;
6275 #define MAX_ANQP_INFO_ID 100
6276         u16 id[MAX_ANQP_INFO_ID];
6277         size_t num_id = 0;
6278         u32 subtypes = 0;
6279
6280         used = hwaddr_aton2(dst, dst_addr);
6281         if (used < 0)
6282                 return -1;
6283         pos = dst + used;
6284         if (*pos == ' ')
6285                 pos++;
6286         while (num_id < MAX_ANQP_INFO_ID) {
6287                 if (os_strncmp(pos, "hs20:", 5) == 0) {
6288 #ifdef CONFIG_HS20
6289                         int num = atoi(pos + 5);
6290                         if (num <= 0 || num > 31)
6291                                 return -1;
6292                         subtypes |= BIT(num);
6293 #else /* CONFIG_HS20 */
6294                         return -1;
6295 #endif /* CONFIG_HS20 */
6296                 } else {
6297                         id[num_id] = atoi(pos);
6298                         if (id[num_id])
6299                                 num_id++;
6300                 }
6301                 pos = os_strchr(pos + 1, ',');
6302                 if (pos == NULL)
6303                         break;
6304                 pos++;
6305         }
6306
6307         if (num_id == 0)
6308                 return -1;
6309
6310         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
6311 }
6312
6313
6314 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
6315 {
6316         u8 dst_addr[ETH_ALEN];
6317         struct wpabuf *advproto, *query = NULL;
6318         int used, ret = -1;
6319         char *pos, *end;
6320         size_t len;
6321
6322         used = hwaddr_aton2(cmd, dst_addr);
6323         if (used < 0)
6324                 return -1;
6325
6326         pos = cmd + used;
6327         while (*pos == ' ')
6328                 pos++;
6329
6330         /* Advertisement Protocol ID */
6331         end = os_strchr(pos, ' ');
6332         if (end)
6333                 len = end - pos;
6334         else
6335                 len = os_strlen(pos);
6336         if (len & 0x01)
6337                 return -1;
6338         len /= 2;
6339         if (len == 0)
6340                 return -1;
6341         advproto = wpabuf_alloc(len);
6342         if (advproto == NULL)
6343                 return -1;
6344         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
6345                 goto fail;
6346
6347         if (end) {
6348                 /* Optional Query Request */
6349                 pos = end + 1;
6350                 while (*pos == ' ')
6351                         pos++;
6352
6353                 len = os_strlen(pos);
6354                 if (len) {
6355                         if (len & 0x01)
6356                                 goto fail;
6357                         len /= 2;
6358                         if (len == 0)
6359                                 goto fail;
6360                         query = wpabuf_alloc(len);
6361                         if (query == NULL)
6362                                 goto fail;
6363                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
6364                                 goto fail;
6365                 }
6366         }
6367
6368         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
6369
6370 fail:
6371         wpabuf_free(advproto);
6372         wpabuf_free(query);
6373
6374         return ret;
6375 }
6376
6377
6378 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
6379                             size_t buflen)
6380 {
6381         u8 addr[ETH_ALEN];
6382         int dialog_token;
6383         int used;
6384         char *pos;
6385         size_t resp_len, start, requested_len;
6386         struct wpabuf *resp;
6387         int ret;
6388
6389         used = hwaddr_aton2(cmd, addr);
6390         if (used < 0)
6391                 return -1;
6392
6393         pos = cmd + used;
6394         while (*pos == ' ')
6395                 pos++;
6396         dialog_token = atoi(pos);
6397
6398         if (wpa_s->last_gas_resp &&
6399             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
6400             dialog_token == wpa_s->last_gas_dialog_token)
6401                 resp = wpa_s->last_gas_resp;
6402         else if (wpa_s->prev_gas_resp &&
6403                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
6404                  dialog_token == wpa_s->prev_gas_dialog_token)
6405                 resp = wpa_s->prev_gas_resp;
6406         else
6407                 return -1;
6408
6409         resp_len = wpabuf_len(resp);
6410         start = 0;
6411         requested_len = resp_len;
6412
6413         pos = os_strchr(pos, ' ');
6414         if (pos) {
6415                 start = atoi(pos);
6416                 if (start > resp_len)
6417                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6418                 pos = os_strchr(pos, ',');
6419                 if (pos == NULL)
6420                         return -1;
6421                 pos++;
6422                 requested_len = atoi(pos);
6423                 if (start + requested_len > resp_len)
6424                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6425         }
6426
6427         if (requested_len * 2 + 1 > buflen)
6428                 return os_snprintf(buf, buflen, "FAIL-Too long response");
6429
6430         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
6431                                requested_len);
6432
6433         if (start + requested_len == resp_len) {
6434                 /*
6435                  * Free memory by dropping the response after it has been
6436                  * fetched.
6437                  */
6438                 if (resp == wpa_s->prev_gas_resp) {
6439                         wpabuf_free(wpa_s->prev_gas_resp);
6440                         wpa_s->prev_gas_resp = NULL;
6441                 } else {
6442                         wpabuf_free(wpa_s->last_gas_resp);
6443                         wpa_s->last_gas_resp = NULL;
6444                 }
6445         }
6446
6447         return ret;
6448 }
6449 #endif /* CONFIG_INTERWORKING */
6450
6451
6452 #ifdef CONFIG_HS20
6453
6454 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
6455 {
6456         u8 dst_addr[ETH_ALEN];
6457         int used;
6458         char *pos;
6459         u32 subtypes = 0;
6460
6461         used = hwaddr_aton2(dst, dst_addr);
6462         if (used < 0)
6463                 return -1;
6464         pos = dst + used;
6465         if (*pos == ' ')
6466                 pos++;
6467         for (;;) {
6468                 int num = atoi(pos);
6469                 if (num <= 0 || num > 31)
6470                         return -1;
6471                 subtypes |= BIT(num);
6472                 pos = os_strchr(pos + 1, ',');
6473                 if (pos == NULL)
6474                         break;
6475                 pos++;
6476         }
6477
6478         if (subtypes == 0)
6479                 return -1;
6480
6481         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0, 0);
6482 }
6483
6484
6485 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6486                                     const u8 *addr, const char *realm)
6487 {
6488         u8 *buf;
6489         size_t rlen, len;
6490         int ret;
6491
6492         rlen = os_strlen(realm);
6493         len = 3 + rlen;
6494         buf = os_malloc(len);
6495         if (buf == NULL)
6496                 return -1;
6497         buf[0] = 1; /* NAI Home Realm Count */
6498         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
6499         buf[2] = rlen;
6500         os_memcpy(buf + 3, realm, rlen);
6501
6502         ret = hs20_anqp_send_req(wpa_s, addr,
6503                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6504                                  buf, len, 0);
6505
6506         os_free(buf);
6507
6508         return ret;
6509 }
6510
6511
6512 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6513                                         char *dst)
6514 {
6515         struct wpa_cred *cred = wpa_s->conf->cred;
6516         u8 dst_addr[ETH_ALEN];
6517         int used;
6518         u8 *buf;
6519         size_t len;
6520         int ret;
6521
6522         used = hwaddr_aton2(dst, dst_addr);
6523         if (used < 0)
6524                 return -1;
6525
6526         while (dst[used] == ' ')
6527                 used++;
6528         if (os_strncmp(dst + used, "realm=", 6) == 0)
6529                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
6530                                                 dst + used + 6);
6531
6532         len = os_strlen(dst + used);
6533
6534         if (len == 0 && cred && cred->realm)
6535                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
6536
6537         if (len & 1)
6538                 return -1;
6539         len /= 2;
6540         buf = os_malloc(len);
6541         if (buf == NULL)
6542                 return -1;
6543         if (hexstr2bin(dst + used, buf, len) < 0) {
6544                 os_free(buf);
6545                 return -1;
6546         }
6547
6548         ret = hs20_anqp_send_req(wpa_s, dst_addr,
6549                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6550                                  buf, len, 0);
6551         os_free(buf);
6552
6553         return ret;
6554 }
6555
6556
6557 static int get_hs20_icon(struct wpa_supplicant *wpa_s, char *cmd, char *reply,
6558                          int buflen)
6559 {
6560         u8 dst_addr[ETH_ALEN];
6561         int used;
6562         char *ctx = NULL, *icon, *poffset, *psize;
6563
6564         used = hwaddr_aton2(cmd, dst_addr);
6565         if (used < 0)
6566                 return -1;
6567         cmd += used;
6568
6569         icon = str_token(cmd, " ", &ctx);
6570         poffset = str_token(cmd, " ", &ctx);
6571         psize = str_token(cmd, " ", &ctx);
6572         if (!icon || !poffset || !psize)
6573                 return -1;
6574
6575         wpa_s->fetch_osu_icon_in_progress = 0;
6576         return hs20_get_icon(wpa_s, dst_addr, icon, atoi(poffset), atoi(psize),
6577                              reply, buflen);
6578 }
6579
6580
6581 static int del_hs20_icon(struct wpa_supplicant *wpa_s, char *cmd)
6582 {
6583         u8 dst_addr[ETH_ALEN];
6584         int used;
6585         char *icon;
6586
6587         if (!cmd[0])
6588                 return hs20_del_icon(wpa_s, NULL, NULL);
6589
6590         used = hwaddr_aton2(cmd, dst_addr);
6591         if (used < 0)
6592                 return -1;
6593
6594         while (cmd[used] == ' ')
6595                 used++;
6596         icon = cmd[used] ? &cmd[used] : NULL;
6597
6598         return hs20_del_icon(wpa_s, dst_addr, icon);
6599 }
6600
6601
6602 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd, int inmem)
6603 {
6604         u8 dst_addr[ETH_ALEN];
6605         int used;
6606         char *icon;
6607
6608         used = hwaddr_aton2(cmd, dst_addr);
6609         if (used < 0)
6610                 return -1;
6611
6612         while (cmd[used] == ' ')
6613                 used++;
6614         icon = &cmd[used];
6615
6616         wpa_s->fetch_osu_icon_in_progress = 0;
6617         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
6618                                   (u8 *) icon, os_strlen(icon), inmem);
6619 }
6620
6621 #endif /* CONFIG_HS20 */
6622
6623
6624 #ifdef CONFIG_AUTOSCAN
6625
6626 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
6627                                               char *cmd)
6628 {
6629         enum wpa_states state = wpa_s->wpa_state;
6630         char *new_params = NULL;
6631
6632         if (os_strlen(cmd) > 0) {
6633                 new_params = os_strdup(cmd);
6634                 if (new_params == NULL)
6635                         return -1;
6636         }
6637
6638         os_free(wpa_s->conf->autoscan);
6639         wpa_s->conf->autoscan = new_params;
6640
6641         if (wpa_s->conf->autoscan == NULL)
6642                 autoscan_deinit(wpa_s);
6643         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
6644                 autoscan_init(wpa_s, 1);
6645         else if (state == WPA_SCANNING)
6646                 wpa_supplicant_reinit_autoscan(wpa_s);
6647
6648         return 0;
6649 }
6650
6651 #endif /* CONFIG_AUTOSCAN */
6652
6653
6654 #ifdef CONFIG_WNM
6655
6656 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
6657 {
6658         int enter;
6659         int intval = 0;
6660         char *pos;
6661         int ret;
6662         struct wpabuf *tfs_req = NULL;
6663
6664         if (os_strncmp(cmd, "enter", 5) == 0)
6665                 enter = 1;
6666         else if (os_strncmp(cmd, "exit", 4) == 0)
6667                 enter = 0;
6668         else
6669                 return -1;
6670
6671         pos = os_strstr(cmd, " interval=");
6672         if (pos)
6673                 intval = atoi(pos + 10);
6674
6675         pos = os_strstr(cmd, " tfs_req=");
6676         if (pos) {
6677                 char *end;
6678                 size_t len;
6679                 pos += 9;
6680                 end = os_strchr(pos, ' ');
6681                 if (end)
6682                         len = end - pos;
6683                 else
6684                         len = os_strlen(pos);
6685                 if (len & 1)
6686                         return -1;
6687                 len /= 2;
6688                 tfs_req = wpabuf_alloc(len);
6689                 if (tfs_req == NULL)
6690                         return -1;
6691                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
6692                         wpabuf_free(tfs_req);
6693                         return -1;
6694                 }
6695         }
6696
6697         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
6698                                            WNM_SLEEP_MODE_EXIT, intval,
6699                                            tfs_req);
6700         wpabuf_free(tfs_req);
6701
6702         return ret;
6703 }
6704
6705
6706 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
6707 {
6708         int query_reason;
6709
6710         query_reason = atoi(cmd);
6711
6712         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
6713                    query_reason);
6714
6715         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
6716 }
6717
6718 #endif /* CONFIG_WNM */
6719
6720
6721 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
6722                                       size_t buflen)
6723 {
6724         struct wpa_signal_info si;
6725         int ret;
6726         char *pos, *end;
6727
6728         ret = wpa_drv_signal_poll(wpa_s, &si);
6729         if (ret)
6730                 return -1;
6731
6732         pos = buf;
6733         end = buf + buflen;
6734
6735         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
6736                           "NOISE=%d\nFREQUENCY=%u\n",
6737                           si.current_signal, si.current_txrate / 1000,
6738                           si.current_noise, si.frequency);
6739         if (os_snprintf_error(end - pos, ret))
6740                 return -1;
6741         pos += ret;
6742
6743         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
6744                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
6745                                   channel_width_to_string(si.chanwidth));
6746                 if (os_snprintf_error(end - pos, ret))
6747                         return -1;
6748                 pos += ret;
6749         }
6750
6751         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
6752                 ret = os_snprintf(pos, end - pos,
6753                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
6754                                   si.center_frq1, si.center_frq2);
6755                 if (os_snprintf_error(end - pos, ret))
6756                         return -1;
6757                 pos += ret;
6758         }
6759
6760         if (si.avg_signal) {
6761                 ret = os_snprintf(pos, end - pos,
6762                                   "AVG_RSSI=%d\n", si.avg_signal);
6763                 if (os_snprintf_error(end - pos, ret))
6764                         return -1;
6765                 pos += ret;
6766         }
6767
6768         if (si.avg_beacon_signal) {
6769                 ret = os_snprintf(pos, end - pos,
6770                                   "AVG_BEACON_RSSI=%d\n", si.avg_beacon_signal);
6771                 if (os_snprintf_error(end - pos, ret))
6772                         return -1;
6773                 pos += ret;
6774         }
6775
6776         return pos - buf;
6777 }
6778
6779
6780 static int wpas_ctrl_iface_signal_monitor(struct wpa_supplicant *wpa_s,
6781                                           const char *cmd)
6782 {
6783         const char *pos;
6784         int threshold = 0;
6785         int hysteresis = 0;
6786
6787         if (wpa_s->bgscan && wpa_s->bgscan_priv) {
6788                 wpa_printf(MSG_DEBUG,
6789                            "Reject SIGNAL_MONITOR command - bgscan is active");
6790                 return -1;
6791         }
6792         pos = os_strstr(cmd, "THRESHOLD=");
6793         if (pos)
6794                 threshold = atoi(pos + 10);
6795         pos = os_strstr(cmd, "HYSTERESIS=");
6796         if (pos)
6797                 hysteresis = atoi(pos + 11);
6798         return wpa_drv_signal_monitor(wpa_s, threshold, hysteresis);
6799 }
6800
6801
6802 static int wpas_ctrl_iface_get_pref_freq_list(
6803         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
6804 {
6805         unsigned int freq_list[100], num = 100, i;
6806         int ret;
6807         enum wpa_driver_if_type iface_type;
6808         char *pos, *end;
6809
6810         pos = buf;
6811         end = buf + buflen;
6812
6813         /* buf: "<interface_type>" */
6814         if (os_strcmp(cmd, "STATION") == 0)
6815                 iface_type = WPA_IF_STATION;
6816         else if (os_strcmp(cmd, "AP") == 0)
6817                 iface_type = WPA_IF_AP_BSS;
6818         else if (os_strcmp(cmd, "P2P_GO") == 0)
6819                 iface_type = WPA_IF_P2P_GO;
6820         else if (os_strcmp(cmd, "P2P_CLIENT") == 0)
6821                 iface_type = WPA_IF_P2P_CLIENT;
6822         else if (os_strcmp(cmd, "IBSS") == 0)
6823                 iface_type = WPA_IF_IBSS;
6824         else if (os_strcmp(cmd, "TDLS") == 0)
6825                 iface_type = WPA_IF_TDLS;
6826         else
6827                 return -1;
6828
6829         wpa_printf(MSG_DEBUG,
6830                    "CTRL_IFACE: GET_PREF_FREQ_LIST iface_type=%d (%s)",
6831                    iface_type, buf);
6832
6833         ret = wpa_drv_get_pref_freq_list(wpa_s, iface_type, &num, freq_list);
6834         if (ret)
6835                 return -1;
6836
6837         for (i = 0; i < num; i++) {
6838                 ret = os_snprintf(pos, end - pos, "%s%u",
6839                                   i > 0 ? "," : "", freq_list[i]);
6840                 if (os_snprintf_error(end - pos, ret))
6841                         return -1;
6842                 pos += ret;
6843         }
6844
6845         return pos - buf;
6846 }
6847
6848
6849 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
6850                                       size_t buflen)
6851 {
6852         struct hostap_sta_driver_data sta;
6853         int ret;
6854
6855         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
6856         if (ret)
6857                 return -1;
6858
6859         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
6860                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
6861         if (os_snprintf_error(buflen, ret))
6862                 return -1;
6863         return ret;
6864 }
6865
6866
6867 #ifdef ANDROID
6868 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6869                                      char *buf, size_t buflen)
6870 {
6871         int ret;
6872
6873         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
6874         if (ret == 0) {
6875                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
6876                         struct p2p_data *p2p = wpa_s->global->p2p;
6877                         if (p2p) {
6878                                 char country[3];
6879                                 country[0] = cmd[8];
6880                                 country[1] = cmd[9];
6881                                 country[2] = 0x04;
6882                                 p2p_set_country(p2p, country);
6883                         }
6884                 }
6885                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
6886                 if (os_snprintf_error(buflen, ret))
6887                         ret = -1;
6888         }
6889         return ret;
6890 }
6891 #endif /* ANDROID */
6892
6893
6894 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6895                                      char *buf, size_t buflen)
6896 {
6897         int ret;
6898         char *pos;
6899         u8 *data = NULL;
6900         unsigned int vendor_id, subcmd;
6901         struct wpabuf *reply;
6902         size_t data_len = 0;
6903
6904         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
6905         vendor_id = strtoul(cmd, &pos, 16);
6906         if (!isblank(*pos))
6907                 return -EINVAL;
6908
6909         subcmd = strtoul(pos, &pos, 10);
6910
6911         if (*pos != '\0') {
6912                 if (!isblank(*pos++))
6913                         return -EINVAL;
6914                 data_len = os_strlen(pos);
6915         }
6916
6917         if (data_len) {
6918                 data_len /= 2;
6919                 data = os_malloc(data_len);
6920                 if (!data)
6921                         return -1;
6922
6923                 if (hexstr2bin(pos, data, data_len)) {
6924                         wpa_printf(MSG_DEBUG,
6925                                    "Vendor command: wrong parameter format");
6926                         os_free(data);
6927                         return -EINVAL;
6928                 }
6929         }
6930
6931         reply = wpabuf_alloc((buflen - 1) / 2);
6932         if (!reply) {
6933                 os_free(data);
6934                 return -1;
6935         }
6936
6937         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
6938                                  reply);
6939
6940         if (ret == 0)
6941                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
6942                                        wpabuf_len(reply));
6943
6944         wpabuf_free(reply);
6945         os_free(data);
6946
6947         return ret;
6948 }
6949
6950
6951 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
6952 {
6953 #ifdef CONFIG_P2P
6954         struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
6955                 wpa_s->global->p2p_init_wpa_s : wpa_s;
6956 #endif /* CONFIG_P2P */
6957
6958         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
6959
6960         wpas_abort_ongoing_scan(wpa_s);
6961
6962 #ifdef CONFIG_P2P
6963         wpas_p2p_cancel(p2p_wpa_s);
6964         p2p_ctrl_flush(p2p_wpa_s);
6965         wpas_p2p_group_remove(p2p_wpa_s, "*");
6966         wpas_p2p_service_flush(p2p_wpa_s);
6967         p2p_wpa_s->global->p2p_disabled = 0;
6968         p2p_wpa_s->global->p2p_per_sta_psk = 0;
6969         p2p_wpa_s->conf->num_sec_device_types = 0;
6970         p2p_wpa_s->p2p_disable_ip_addr_req = 0;
6971         os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
6972         p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
6973         p2p_wpa_s->global->p2p_go_avoid_freq.num = 0;
6974         p2p_wpa_s->global->pending_p2ps_group = 0;
6975         p2p_wpa_s->global->pending_p2ps_group_freq = 0;
6976 #endif /* CONFIG_P2P */
6977
6978 #ifdef CONFIG_WPS_TESTING
6979         wps_version_number = 0x20;
6980         wps_testing_dummy_cred = 0;
6981         wps_corrupt_pkhash = 0;
6982 #endif /* CONFIG_WPS_TESTING */
6983 #ifdef CONFIG_WPS
6984         wpa_s->wps_fragment_size = 0;
6985         wpas_wps_cancel(wpa_s);
6986         wps_registrar_flush(wpa_s->wps->registrar);
6987 #endif /* CONFIG_WPS */
6988         wpa_s->after_wps = 0;
6989         wpa_s->known_wps_freq = 0;
6990
6991 #ifdef CONFIG_TDLS
6992 #ifdef CONFIG_TDLS_TESTING
6993         extern unsigned int tdls_testing;
6994         tdls_testing = 0;
6995 #endif /* CONFIG_TDLS_TESTING */
6996         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
6997         wpa_tdls_enable(wpa_s->wpa, 1);
6998 #endif /* CONFIG_TDLS */
6999
7000         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
7001         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
7002
7003         wpa_s->no_keep_alive = 0;
7004         wpa_s->own_disconnect_req = 0;
7005
7006         os_free(wpa_s->disallow_aps_bssid);
7007         wpa_s->disallow_aps_bssid = NULL;
7008         wpa_s->disallow_aps_bssid_count = 0;
7009         os_free(wpa_s->disallow_aps_ssid);
7010         wpa_s->disallow_aps_ssid = NULL;
7011         wpa_s->disallow_aps_ssid_count = 0;
7012
7013         wpa_s->set_sta_uapsd = 0;
7014         wpa_s->sta_uapsd = 0;
7015
7016         wpa_drv_radio_disable(wpa_s, 0);
7017         wpa_blacklist_clear(wpa_s);
7018         wpa_s->extra_blacklist_count = 0;
7019         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
7020         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
7021         wpa_config_flush_blobs(wpa_s->conf);
7022         wpa_s->conf->auto_interworking = 0;
7023         wpa_s->conf->okc = 0;
7024
7025         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
7026         rsn_preauth_deinit(wpa_s->wpa);
7027
7028         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
7029         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
7030         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
7031         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
7032
7033         radio_remove_works(wpa_s, NULL, 1);
7034         wpa_s->ext_work_in_progress = 0;
7035
7036         wpa_s->next_ssid = NULL;
7037
7038 #ifdef CONFIG_INTERWORKING
7039 #ifdef CONFIG_HS20
7040         hs20_cancel_fetch_osu(wpa_s);
7041         hs20_del_icon(wpa_s, NULL, NULL);
7042 #endif /* CONFIG_HS20 */
7043 #endif /* CONFIG_INTERWORKING */
7044
7045         wpa_s->ext_mgmt_frame_handling = 0;
7046         wpa_s->ext_eapol_frame_io = 0;
7047 #ifdef CONFIG_TESTING_OPTIONS
7048         wpa_s->extra_roc_dur = 0;
7049         wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
7050         wpa_s->p2p_go_csa_on_inv = 0;
7051         wpa_sm_set_test_assoc_ie(wpa_s->wpa, NULL);
7052 #endif /* CONFIG_TESTING_OPTIONS */
7053
7054         wpa_s->disconnected = 0;
7055         os_free(wpa_s->next_scan_freqs);
7056         wpa_s->next_scan_freqs = NULL;
7057
7058         wpa_bss_flush(wpa_s);
7059         if (!dl_list_empty(&wpa_s->bss)) {
7060                 wpa_printf(MSG_DEBUG,
7061                            "BSS table not empty after flush: %u entries, current_bss=%p bssid="
7062                            MACSTR " pending_bssid=" MACSTR,
7063                            dl_list_len(&wpa_s->bss), wpa_s->current_bss,
7064                            MAC2STR(wpa_s->bssid),
7065                            MAC2STR(wpa_s->pending_bssid));
7066         }
7067
7068         eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
7069         wpa_s->wnmsleep_used = 0;
7070 }
7071
7072
7073 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
7074                                      char *buf, size_t buflen)
7075 {
7076         struct wpa_radio_work *work;
7077         char *pos, *end;
7078         struct os_reltime now, diff;
7079
7080         pos = buf;
7081         end = buf + buflen;
7082
7083         os_get_reltime(&now);
7084
7085         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
7086         {
7087                 int ret;
7088
7089                 os_reltime_sub(&now, &work->time, &diff);
7090                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
7091                                   work->type, work->wpa_s->ifname, work->freq,
7092                                   work->started, diff.sec, diff.usec);
7093                 if (os_snprintf_error(end - pos, ret))
7094                         break;
7095                 pos += ret;
7096         }
7097
7098         return pos - buf;
7099 }
7100
7101
7102 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
7103 {
7104         struct wpa_radio_work *work = eloop_ctx;
7105         struct wpa_external_work *ework = work->ctx;
7106
7107         wpa_dbg(work->wpa_s, MSG_DEBUG,
7108                 "Timing out external radio work %u (%s)",
7109                 ework->id, work->type);
7110         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
7111         work->wpa_s->ext_work_in_progress = 0;
7112         radio_work_done(work);
7113         os_free(ework);
7114 }
7115
7116
7117 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
7118 {
7119         struct wpa_external_work *ework = work->ctx;
7120
7121         if (deinit) {
7122                 if (work->started)
7123                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
7124                                              work, NULL);
7125
7126                 os_free(ework);
7127                 return;
7128         }
7129
7130         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
7131                 ework->id, ework->type);
7132         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
7133         work->wpa_s->ext_work_in_progress = 1;
7134         if (!ework->timeout)
7135                 ework->timeout = 10;
7136         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
7137                                work, NULL);
7138 }
7139
7140
7141 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
7142                                     char *buf, size_t buflen)
7143 {
7144         struct wpa_external_work *ework;
7145         char *pos, *pos2;
7146         size_t type_len;
7147         int ret;
7148         unsigned int freq = 0;
7149
7150         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
7151
7152         ework = os_zalloc(sizeof(*ework));
7153         if (ework == NULL)
7154                 return -1;
7155
7156         pos = os_strchr(cmd, ' ');
7157         if (pos) {
7158                 type_len = pos - cmd;
7159                 pos++;
7160
7161                 pos2 = os_strstr(pos, "freq=");
7162                 if (pos2)
7163                         freq = atoi(pos2 + 5);
7164
7165                 pos2 = os_strstr(pos, "timeout=");
7166                 if (pos2)
7167                         ework->timeout = atoi(pos2 + 8);
7168         } else {
7169                 type_len = os_strlen(cmd);
7170         }
7171         if (4 + type_len >= sizeof(ework->type))
7172                 type_len = sizeof(ework->type) - 4 - 1;
7173         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
7174         os_memcpy(ework->type + 4, cmd, type_len);
7175         ework->type[4 + type_len] = '\0';
7176
7177         wpa_s->ext_work_id++;
7178         if (wpa_s->ext_work_id == 0)
7179                 wpa_s->ext_work_id++;
7180         ework->id = wpa_s->ext_work_id;
7181
7182         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
7183                            ework) < 0) {
7184                 os_free(ework);
7185                 return -1;
7186         }
7187
7188         ret = os_snprintf(buf, buflen, "%u", ework->id);
7189         if (os_snprintf_error(buflen, ret))
7190                 return -1;
7191         return ret;
7192 }
7193
7194
7195 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
7196 {
7197         struct wpa_radio_work *work;
7198         unsigned int id = atoi(cmd);
7199
7200         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
7201         {
7202                 struct wpa_external_work *ework;
7203
7204                 if (os_strncmp(work->type, "ext:", 4) != 0)
7205                         continue;
7206                 ework = work->ctx;
7207                 if (id && ework->id != id)
7208                         continue;
7209                 wpa_dbg(wpa_s, MSG_DEBUG,
7210                         "Completed external radio work %u (%s)",
7211                         ework->id, ework->type);
7212                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
7213                 wpa_s->ext_work_in_progress = 0;
7214                 radio_work_done(work);
7215                 os_free(ework);
7216                 return 3; /* "OK\n" */
7217         }
7218
7219         return -1;
7220 }
7221
7222
7223 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
7224                                 char *buf, size_t buflen)
7225 {
7226         if (os_strcmp(cmd, "show") == 0)
7227                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
7228         if (os_strncmp(cmd, "add ", 4) == 0)
7229                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
7230         if (os_strncmp(cmd, "done ", 5) == 0)
7231                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
7232         return -1;
7233 }
7234
7235
7236 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
7237 {
7238         struct wpa_radio_work *work, *tmp;
7239
7240         if (!wpa_s || !wpa_s->radio)
7241                 return;
7242
7243         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
7244                               struct wpa_radio_work, list) {
7245                 struct wpa_external_work *ework;
7246
7247                 if (os_strncmp(work->type, "ext:", 4) != 0)
7248                         continue;
7249                 ework = work->ctx;
7250                 wpa_dbg(wpa_s, MSG_DEBUG,
7251                         "Flushing%s external radio work %u (%s)",
7252                         work->started ? " started" : "", ework->id,
7253                         ework->type);
7254                 if (work->started)
7255                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
7256                                              work, NULL);
7257                 radio_work_done(work);
7258                 os_free(ework);
7259         }
7260 }
7261
7262
7263 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
7264 {
7265         struct wpa_supplicant *wpa_s = eloop_ctx;
7266         eapol_sm_notify_ctrl_response(wpa_s->eapol);
7267 }
7268
7269
7270 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
7271                               unsigned int *scan_id_count, int scan_id[])
7272 {
7273         const char *pos = value;
7274
7275         while (pos) {
7276                 if (*pos == ' ' || *pos == '\0')
7277                         break;
7278                 if (*scan_id_count == MAX_SCAN_ID)
7279                         return -1;
7280                 scan_id[(*scan_id_count)++] = atoi(pos);
7281                 pos = os_strchr(pos, ',');
7282                 if (pos)
7283                         pos++;
7284         }
7285
7286         return 0;
7287 }
7288
7289
7290 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
7291                            char *reply, int reply_size, int *reply_len)
7292 {
7293         char *pos;
7294         unsigned int manual_scan_passive = 0;
7295         unsigned int manual_scan_use_id = 0;
7296         unsigned int manual_scan_only_new = 0;
7297         unsigned int scan_only = 0;
7298         unsigned int scan_id_count = 0;
7299         int scan_id[MAX_SCAN_ID];
7300         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
7301                                  struct wpa_scan_results *scan_res);
7302         int *manual_scan_freqs = NULL;
7303         struct wpa_ssid_value *ssid = NULL, *ns;
7304         unsigned int ssid_count = 0;
7305
7306         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
7307                 *reply_len = -1;
7308                 return;
7309         }
7310
7311         if (radio_work_pending(wpa_s, "scan")) {
7312                 wpa_printf(MSG_DEBUG,
7313                            "Pending scan scheduled - reject new request");
7314                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7315                 return;
7316         }
7317
7318 #ifdef CONFIG_INTERWORKING
7319         if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) {
7320                 wpa_printf(MSG_DEBUG,
7321                            "Interworking select in progress - reject new scan");
7322                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7323                 return;
7324         }
7325 #endif /* CONFIG_INTERWORKING */
7326
7327         if (params) {
7328                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
7329                         scan_only = 1;
7330
7331                 pos = os_strstr(params, "freq=");
7332                 if (pos) {
7333                         manual_scan_freqs = freq_range_to_channel_list(wpa_s,
7334                                                                        pos + 5);
7335                         if (manual_scan_freqs == NULL) {
7336                                 *reply_len = -1;
7337                                 goto done;
7338                         }
7339                 }
7340
7341                 pos = os_strstr(params, "passive=");
7342                 if (pos)
7343                         manual_scan_passive = !!atoi(pos + 8);
7344
7345                 pos = os_strstr(params, "use_id=");
7346                 if (pos)
7347                         manual_scan_use_id = atoi(pos + 7);
7348
7349                 pos = os_strstr(params, "only_new=1");
7350                 if (pos)
7351                         manual_scan_only_new = 1;
7352
7353                 pos = os_strstr(params, "scan_id=");
7354                 if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
7355                                               scan_id) < 0) {
7356                         *reply_len = -1;
7357                         goto done;
7358                 }
7359
7360                 pos = params;
7361                 while (pos && *pos != '\0') {
7362                         if (os_strncmp(pos, "ssid ", 5) == 0) {
7363                                 char *end;
7364
7365                                 pos += 5;
7366                                 end = pos;
7367                                 while (*end) {
7368                                         if (*end == '\0' || *end == ' ')
7369                                                 break;
7370                                         end++;
7371                                 }
7372
7373                                 ns = os_realloc_array(
7374                                         ssid, ssid_count + 1,
7375                                         sizeof(struct wpa_ssid_value));
7376                                 if (ns == NULL) {
7377                                         *reply_len = -1;
7378                                         goto done;
7379                                 }
7380                                 ssid = ns;
7381
7382                                 if ((end - pos) & 0x01 ||
7383                                     end - pos > 2 * SSID_MAX_LEN ||
7384                                     hexstr2bin(pos, ssid[ssid_count].ssid,
7385                                                (end - pos) / 2) < 0) {
7386                                         wpa_printf(MSG_DEBUG,
7387                                                    "Invalid SSID value '%s'",
7388                                                    pos);
7389                                         *reply_len = -1;
7390                                         goto done;
7391                                 }
7392                                 ssid[ssid_count].ssid_len = (end - pos) / 2;
7393                                 wpa_hexdump_ascii(MSG_DEBUG, "scan SSID",
7394                                                   ssid[ssid_count].ssid,
7395                                                   ssid[ssid_count].ssid_len);
7396                                 ssid_count++;
7397                                 pos = end;
7398                         }
7399
7400                         pos = os_strchr(pos, ' ');
7401                         if (pos)
7402                                 pos++;
7403                 }
7404         }
7405
7406         wpa_s->num_ssids_from_scan_req = ssid_count;
7407         os_free(wpa_s->ssids_from_scan_req);
7408         if (ssid_count) {
7409                 wpa_s->ssids_from_scan_req = ssid;
7410                 ssid = NULL;
7411         } else {
7412                 wpa_s->ssids_from_scan_req = NULL;
7413         }
7414
7415         if (scan_only)
7416                 scan_res_handler = scan_only_handler;
7417         else if (wpa_s->scan_res_handler == scan_only_handler)
7418                 scan_res_handler = NULL;
7419         else
7420                 scan_res_handler = wpa_s->scan_res_handler;
7421
7422         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
7423             ((wpa_s->wpa_state <= WPA_SCANNING) ||
7424              (wpa_s->wpa_state == WPA_COMPLETED))) {
7425                 wpa_s->manual_scan_passive = manual_scan_passive;
7426                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7427                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7428                 wpa_s->scan_id_count = scan_id_count;
7429                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7430                 wpa_s->scan_res_handler = scan_res_handler;
7431                 os_free(wpa_s->manual_scan_freqs);
7432                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7433                 manual_scan_freqs = NULL;
7434
7435                 wpa_s->normal_scans = 0;
7436                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7437                 wpa_s->after_wps = 0;
7438                 wpa_s->known_wps_freq = 0;
7439                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7440                 if (wpa_s->manual_scan_use_id) {
7441                         wpa_s->manual_scan_id++;
7442                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7443                                 wpa_s->manual_scan_id);
7444                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7445                                                  wpa_s->manual_scan_id);
7446                 }
7447         } else if (wpa_s->sched_scanning) {
7448                 wpa_s->manual_scan_passive = manual_scan_passive;
7449                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7450                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7451                 wpa_s->scan_id_count = scan_id_count;
7452                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7453                 wpa_s->scan_res_handler = scan_res_handler;
7454                 os_free(wpa_s->manual_scan_freqs);
7455                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7456                 manual_scan_freqs = NULL;
7457
7458                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
7459                 wpa_supplicant_cancel_sched_scan(wpa_s);
7460                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7461                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7462                 if (wpa_s->manual_scan_use_id) {
7463                         wpa_s->manual_scan_id++;
7464                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7465                                                  wpa_s->manual_scan_id);
7466                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7467                                 wpa_s->manual_scan_id);
7468                 }
7469         } else {
7470                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
7471                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7472         }
7473
7474 done:
7475         os_free(manual_scan_freqs);
7476         os_free(ssid);
7477 }
7478
7479
7480 #ifdef CONFIG_TESTING_OPTIONS
7481
7482 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
7483                                        unsigned int freq, const u8 *dst,
7484                                        const u8 *src, const u8 *bssid,
7485                                        const u8 *data, size_t data_len,
7486                                        enum offchannel_send_action_result
7487                                        result)
7488 {
7489         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
7490                 " src=" MACSTR " bssid=" MACSTR " result=%s",
7491                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
7492                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
7493                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
7494                              "NO_ACK" : "FAILED"));
7495 }
7496
7497
7498 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
7499 {
7500         char *pos, *param;
7501         size_t len;
7502         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
7503         int res, used;
7504         int freq = 0, no_cck = 0, wait_time = 0;
7505
7506         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
7507          *    <action=Action frame payload> */
7508
7509         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
7510
7511         pos = cmd;
7512         used = hwaddr_aton2(pos, da);
7513         if (used < 0)
7514                 return -1;
7515         pos += used;
7516         while (*pos == ' ')
7517                 pos++;
7518         used = hwaddr_aton2(pos, bssid);
7519         if (used < 0)
7520                 return -1;
7521         pos += used;
7522
7523         param = os_strstr(pos, " freq=");
7524         if (param) {
7525                 param += 6;
7526                 freq = atoi(param);
7527         }
7528
7529         param = os_strstr(pos, " no_cck=");
7530         if (param) {
7531                 param += 8;
7532                 no_cck = atoi(param);
7533         }
7534
7535         param = os_strstr(pos, " wait_time=");
7536         if (param) {
7537                 param += 11;
7538                 wait_time = atoi(param);
7539         }
7540
7541         param = os_strstr(pos, " action=");
7542         if (param == NULL)
7543                 return -1;
7544         param += 8;
7545
7546         len = os_strlen(param);
7547         if (len & 1)
7548                 return -1;
7549         len /= 2;
7550
7551         buf = os_malloc(len);
7552         if (buf == NULL)
7553                 return -1;
7554
7555         if (hexstr2bin(param, buf, len) < 0) {
7556                 os_free(buf);
7557                 return -1;
7558         }
7559
7560         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
7561                                      buf, len, wait_time,
7562                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
7563         os_free(buf);
7564         return res;
7565 }
7566
7567
7568 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
7569 {
7570         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
7571         offchannel_send_action_done(wpa_s);
7572 }
7573
7574
7575 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
7576 {
7577         char *pos, *param;
7578         union wpa_event_data event;
7579         enum wpa_event_type ev;
7580
7581         /* <event name> [parameters..] */
7582
7583         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
7584
7585         pos = cmd;
7586         param = os_strchr(pos, ' ');
7587         if (param)
7588                 *param++ = '\0';
7589
7590         os_memset(&event, 0, sizeof(event));
7591
7592         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
7593                 ev = EVENT_INTERFACE_ENABLED;
7594         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
7595                 ev = EVENT_INTERFACE_DISABLED;
7596         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
7597                 ev = EVENT_AVOID_FREQUENCIES;
7598                 if (param == NULL)
7599                         param = "";
7600                 if (freq_range_list_parse(&event.freq_range, param) < 0)
7601                         return -1;
7602                 wpa_supplicant_event(wpa_s, ev, &event);
7603                 os_free(event.freq_range.range);
7604                 return 0;
7605         } else {
7606                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
7607                         cmd);
7608                 return -1;
7609         }
7610
7611         wpa_supplicant_event(wpa_s, ev, &event);
7612
7613         return 0;
7614 }
7615
7616
7617 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
7618 {
7619         char *pos;
7620         u8 src[ETH_ALEN], *buf;
7621         int used;
7622         size_t len;
7623
7624         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
7625
7626         pos = cmd;
7627         used = hwaddr_aton2(pos, src);
7628         if (used < 0)
7629                 return -1;
7630         pos += used;
7631         while (*pos == ' ')
7632                 pos++;
7633
7634         len = os_strlen(pos);
7635         if (len & 1)
7636                 return -1;
7637         len /= 2;
7638
7639         buf = os_malloc(len);
7640         if (buf == NULL)
7641                 return -1;
7642
7643         if (hexstr2bin(pos, buf, len) < 0) {
7644                 os_free(buf);
7645                 return -1;
7646         }
7647
7648         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
7649         os_free(buf);
7650
7651         return 0;
7652 }
7653
7654
7655 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
7656 {
7657         size_t i;
7658         u32 sum = 0;
7659         const u16 *pos = buf;
7660
7661         for (i = 0; i < len / 2; i++)
7662                 sum += *pos++;
7663
7664         while (sum >> 16)
7665                 sum = (sum & 0xffff) + (sum >> 16);
7666
7667         return sum ^ 0xffff;
7668 }
7669
7670
7671 #define HWSIM_PACKETLEN 1500
7672 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
7673
7674 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
7675 {
7676         struct wpa_supplicant *wpa_s = ctx;
7677         const struct ether_header *eth;
7678         struct iphdr ip;
7679         const u8 *pos;
7680         unsigned int i;
7681
7682         if (len != HWSIM_PACKETLEN)
7683                 return;
7684
7685         eth = (const struct ether_header *) buf;
7686         os_memcpy(&ip, eth + 1, sizeof(ip));
7687         pos = &buf[sizeof(*eth) + sizeof(ip)];
7688
7689         if (ip.ihl != 5 || ip.version != 4 ||
7690             ntohs(ip.tot_len) != HWSIM_IP_LEN)
7691                 return;
7692
7693         for (i = 0; i < HWSIM_IP_LEN - sizeof(ip); i++) {
7694                 if (*pos != (u8) i)
7695                         return;
7696                 pos++;
7697         }
7698
7699         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
7700                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
7701 }
7702
7703
7704 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
7705                                             char *cmd)
7706 {
7707         int enabled = atoi(cmd);
7708
7709         if (!enabled) {
7710                 if (wpa_s->l2_test) {
7711                         l2_packet_deinit(wpa_s->l2_test);
7712                         wpa_s->l2_test = NULL;
7713                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
7714                 }
7715                 return 0;
7716         }
7717
7718         if (wpa_s->l2_test)
7719                 return 0;
7720
7721         wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
7722                                         ETHERTYPE_IP, wpas_data_test_rx,
7723                                         wpa_s, 1);
7724         if (wpa_s->l2_test == NULL)
7725                 return -1;
7726
7727         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
7728
7729         return 0;
7730 }
7731
7732
7733 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
7734 {
7735         u8 dst[ETH_ALEN], src[ETH_ALEN];
7736         char *pos;
7737         int used;
7738         long int val;
7739         u8 tos;
7740         u8 buf[2 + HWSIM_PACKETLEN];
7741         struct ether_header *eth;
7742         struct iphdr *ip;
7743         u8 *dpos;
7744         unsigned int i;
7745
7746         if (wpa_s->l2_test == NULL)
7747                 return -1;
7748
7749         /* format: <dst> <src> <tos> */
7750
7751         pos = cmd;
7752         used = hwaddr_aton2(pos, dst);
7753         if (used < 0)
7754                 return -1;
7755         pos += used;
7756         while (*pos == ' ')
7757                 pos++;
7758         used = hwaddr_aton2(pos, src);
7759         if (used < 0)
7760                 return -1;
7761         pos += used;
7762
7763         val = strtol(pos, NULL, 0);
7764         if (val < 0 || val > 0xff)
7765                 return -1;
7766         tos = val;
7767
7768         eth = (struct ether_header *) &buf[2];
7769         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
7770         os_memcpy(eth->ether_shost, src, ETH_ALEN);
7771         eth->ether_type = htons(ETHERTYPE_IP);
7772         ip = (struct iphdr *) (eth + 1);
7773         os_memset(ip, 0, sizeof(*ip));
7774         ip->ihl = 5;
7775         ip->version = 4;
7776         ip->ttl = 64;
7777         ip->tos = tos;
7778         ip->tot_len = htons(HWSIM_IP_LEN);
7779         ip->protocol = 1;
7780         ip->saddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 1);
7781         ip->daddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 2);
7782         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
7783         dpos = (u8 *) (ip + 1);
7784         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
7785                 *dpos++ = i;
7786
7787         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, &buf[2],
7788                            HWSIM_PACKETLEN) < 0)
7789                 return -1;
7790
7791         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
7792                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
7793
7794         return 0;
7795 }
7796
7797
7798 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
7799                                            char *cmd)
7800 {
7801         u8 *buf;
7802         struct ether_header *eth;
7803         struct l2_packet_data *l2 = NULL;
7804         size_t len;
7805         u16 ethertype;
7806         int res = -1;
7807
7808         len = os_strlen(cmd);
7809         if (len & 1 || len < ETH_HLEN * 2)
7810                 return -1;
7811         len /= 2;
7812
7813         buf = os_malloc(len);
7814         if (buf == NULL)
7815                 return -1;
7816
7817         if (hexstr2bin(cmd, buf, len) < 0)
7818                 goto done;
7819
7820         eth = (struct ether_header *) buf;
7821         ethertype = ntohs(eth->ether_type);
7822
7823         l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
7824                             wpas_data_test_rx, wpa_s, 1);
7825         if (l2 == NULL)
7826                 goto done;
7827
7828         res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
7829         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
7830 done:
7831         if (l2)
7832                 l2_packet_deinit(l2);
7833         os_free(buf);
7834
7835         return res < 0 ? -1 : 0;
7836 }
7837
7838
7839 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
7840 {
7841 #ifdef WPA_TRACE_BFD
7842         extern char wpa_trace_fail_func[256];
7843         extern unsigned int wpa_trace_fail_after;
7844         char *pos;
7845
7846         wpa_trace_fail_after = atoi(cmd);
7847         pos = os_strchr(cmd, ':');
7848         if (pos) {
7849                 pos++;
7850                 os_strlcpy(wpa_trace_fail_func, pos,
7851                            sizeof(wpa_trace_fail_func));
7852         } else {
7853                 wpa_trace_fail_after = 0;
7854         }
7855         return 0;
7856 #else /* WPA_TRACE_BFD */
7857         return -1;
7858 #endif /* WPA_TRACE_BFD */
7859 }
7860
7861
7862 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
7863                                     char *buf, size_t buflen)
7864 {
7865 #ifdef WPA_TRACE_BFD
7866         extern char wpa_trace_fail_func[256];
7867         extern unsigned int wpa_trace_fail_after;
7868
7869         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
7870                            wpa_trace_fail_func);
7871 #else /* WPA_TRACE_BFD */
7872         return -1;
7873 #endif /* WPA_TRACE_BFD */
7874 }
7875
7876
7877 static int wpas_ctrl_test_fail(struct wpa_supplicant *wpa_s, char *cmd)
7878 {
7879 #ifdef WPA_TRACE_BFD
7880         extern char wpa_trace_test_fail_func[256];
7881         extern unsigned int wpa_trace_test_fail_after;
7882         char *pos;
7883
7884         wpa_trace_test_fail_after = atoi(cmd);
7885         pos = os_strchr(cmd, ':');
7886         if (pos) {
7887                 pos++;
7888                 os_strlcpy(wpa_trace_test_fail_func, pos,
7889                            sizeof(wpa_trace_test_fail_func));
7890         } else {
7891                 wpa_trace_test_fail_after = 0;
7892         }
7893         return 0;
7894 #else /* WPA_TRACE_BFD */
7895         return -1;
7896 #endif /* WPA_TRACE_BFD */
7897 }
7898
7899
7900 static int wpas_ctrl_get_fail(struct wpa_supplicant *wpa_s,
7901                                     char *buf, size_t buflen)
7902 {
7903 #ifdef WPA_TRACE_BFD
7904         extern char wpa_trace_test_fail_func[256];
7905         extern unsigned int wpa_trace_test_fail_after;
7906
7907         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_test_fail_after,
7908                            wpa_trace_test_fail_func);
7909 #else /* WPA_TRACE_BFD */
7910         return -1;
7911 #endif /* WPA_TRACE_BFD */
7912 }
7913
7914
7915 static void wpas_ctrl_event_test_cb(void *eloop_ctx, void *timeout_ctx)
7916 {
7917         struct wpa_supplicant *wpa_s = eloop_ctx;
7918         int i, count = (intptr_t) timeout_ctx;
7919
7920         wpa_printf(MSG_DEBUG, "TEST: Send %d control interface event messages",
7921                    count);
7922         for (i = 0; i < count; i++) {
7923                 wpa_msg_ctrl(wpa_s, MSG_INFO, "TEST-EVENT-MESSAGE %d/%d",
7924                              i + 1, count);
7925         }
7926 }
7927
7928
7929 static int wpas_ctrl_event_test(struct wpa_supplicant *wpa_s, const char *cmd)
7930 {
7931         int count;
7932
7933         count = atoi(cmd);
7934         if (count <= 0)
7935                 return -1;
7936
7937         return eloop_register_timeout(0, 0, wpas_ctrl_event_test_cb, wpa_s,
7938                                       (void *) (intptr_t) count);
7939 }
7940
7941
7942 static int wpas_ctrl_test_assoc_ie(struct wpa_supplicant *wpa_s,
7943                                    const char *cmd)
7944 {
7945         struct wpabuf *buf;
7946         size_t len;
7947
7948         len = os_strlen(cmd);
7949         if (len & 1)
7950                 return -1;
7951         len /= 2;
7952
7953         if (len == 0) {
7954                 buf = NULL;
7955         } else {
7956                 buf = wpabuf_alloc(len);
7957                 if (buf == NULL)
7958                         return -1;
7959
7960                 if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
7961                         wpabuf_free(buf);
7962                         return -1;
7963                 }
7964         }
7965
7966         wpa_sm_set_test_assoc_ie(wpa_s->wpa, buf);
7967         return 0;
7968 }
7969
7970 #endif /* CONFIG_TESTING_OPTIONS */
7971
7972
7973 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
7974 {
7975         char *pos = cmd;
7976         int frame;
7977         size_t len;
7978         struct wpabuf *buf;
7979         struct ieee802_11_elems elems;
7980
7981         frame = atoi(pos);
7982         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7983                 return -1;
7984         wpa_s = wpas_vendor_elem(wpa_s, frame);
7985
7986         pos = os_strchr(pos, ' ');
7987         if (pos == NULL)
7988                 return -1;
7989         pos++;
7990
7991         len = os_strlen(pos);
7992         if (len == 0)
7993                 return 0;
7994         if (len & 1)
7995                 return -1;
7996         len /= 2;
7997
7998         buf = wpabuf_alloc(len);
7999         if (buf == NULL)
8000                 return -1;
8001
8002         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
8003                 wpabuf_free(buf);
8004                 return -1;
8005         }
8006
8007         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
8008             ParseFailed) {
8009                 wpabuf_free(buf);
8010                 return -1;
8011         }
8012
8013         if (wpa_s->vendor_elem[frame] == NULL) {
8014                 wpa_s->vendor_elem[frame] = buf;
8015                 wpas_vendor_elem_update(wpa_s);
8016                 return 0;
8017         }
8018
8019         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
8020                 wpabuf_free(buf);
8021                 return -1;
8022         }
8023
8024         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
8025         wpabuf_free(buf);
8026         wpas_vendor_elem_update(wpa_s);
8027
8028         return 0;
8029 }
8030
8031
8032 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
8033                                      char *buf, size_t buflen)
8034 {
8035         int frame = atoi(cmd);
8036
8037         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
8038                 return -1;
8039         wpa_s = wpas_vendor_elem(wpa_s, frame);
8040
8041         if (wpa_s->vendor_elem[frame] == NULL)
8042                 return 0;
8043
8044         return wpa_snprintf_hex(buf, buflen,
8045                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
8046                                 wpabuf_len(wpa_s->vendor_elem[frame]));
8047 }
8048
8049
8050 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
8051 {
8052         char *pos = cmd;
8053         int frame;
8054         size_t len;
8055         u8 *buf;
8056         struct ieee802_11_elems elems;
8057         int res;
8058
8059         frame = atoi(pos);
8060         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
8061                 return -1;
8062         wpa_s = wpas_vendor_elem(wpa_s, frame);
8063
8064         pos = os_strchr(pos, ' ');
8065         if (pos == NULL)
8066                 return -1;
8067         pos++;
8068
8069         if (*pos == '*') {
8070                 wpabuf_free(wpa_s->vendor_elem[frame]);
8071                 wpa_s->vendor_elem[frame] = NULL;
8072                 wpas_vendor_elem_update(wpa_s);
8073                 return 0;
8074         }
8075
8076         if (wpa_s->vendor_elem[frame] == NULL)
8077                 return -1;
8078
8079         len = os_strlen(pos);
8080         if (len == 0)
8081                 return 0;
8082         if (len & 1)
8083                 return -1;
8084         len /= 2;
8085
8086         buf = os_malloc(len);
8087         if (buf == NULL)
8088                 return -1;
8089
8090         if (hexstr2bin(pos, buf, len) < 0) {
8091                 os_free(buf);
8092                 return -1;
8093         }
8094
8095         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
8096                 os_free(buf);
8097                 return -1;
8098         }
8099
8100         res = wpas_vendor_elem_remove(wpa_s, frame, buf, len);
8101         os_free(buf);
8102         return res;
8103 }
8104
8105
8106 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
8107 {
8108         struct wpa_supplicant *wpa_s = ctx;
8109
8110         if (neighbor_rep) {
8111                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
8112                              "length=%u",
8113                              (unsigned int) wpabuf_len(neighbor_rep));
8114                 wpabuf_free(neighbor_rep);
8115         } else {
8116                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
8117         }
8118 }
8119
8120
8121 static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s,
8122                                             char *cmd)
8123 {
8124         struct wpa_ssid ssid;
8125         struct wpa_ssid *ssid_p = NULL;
8126         int ret = 0;
8127
8128         if (os_strncmp(cmd, " ssid=", 6) == 0) {
8129                 ssid.ssid_len = os_strlen(cmd + 6);
8130                 if (ssid.ssid_len > SSID_MAX_LEN)
8131                         return -1;
8132                 ssid.ssid = (u8 *) (cmd + 6);
8133                 ssid_p = &ssid;
8134         }
8135
8136         ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p,
8137                                                  wpas_ctrl_neighbor_rep_cb,
8138                                                  wpa_s);
8139
8140         return ret;
8141 }
8142
8143
8144 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
8145 {
8146         eapol_sm_erp_flush(wpa_s->eapol);
8147         return 0;
8148 }
8149
8150
8151 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
8152                                          char *cmd)
8153 {
8154         char *token, *context = NULL;
8155         unsigned int enable = ~0, type = 0;
8156         u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
8157         u8 *addr = NULL, *mask = NULL;
8158
8159         while ((token = str_token(cmd, " ", &context))) {
8160                 if (os_strcasecmp(token, "scan") == 0) {
8161                         type |= MAC_ADDR_RAND_SCAN;
8162                 } else if (os_strcasecmp(token, "sched") == 0) {
8163                         type |= MAC_ADDR_RAND_SCHED_SCAN;
8164                 } else if (os_strcasecmp(token, "pno") == 0) {
8165                         type |= MAC_ADDR_RAND_PNO;
8166                 } else if (os_strcasecmp(token, "all") == 0) {
8167                         type = wpa_s->mac_addr_rand_supported;
8168                 } else if (os_strncasecmp(token, "enable=", 7) == 0) {
8169                         enable = atoi(token + 7);
8170                 } else if (os_strncasecmp(token, "addr=", 5) == 0) {
8171                         addr = _addr;
8172                         if (hwaddr_aton(token + 5, addr)) {
8173                                 wpa_printf(MSG_INFO,
8174                                            "CTRL: Invalid MAC address: %s",
8175                                            token);
8176                                 return -1;
8177                         }
8178                 } else if (os_strncasecmp(token, "mask=", 5) == 0) {
8179                         mask = _mask;
8180                         if (hwaddr_aton(token + 5, mask)) {
8181                                 wpa_printf(MSG_INFO,
8182                                            "CTRL: Invalid MAC address mask: %s",
8183                                            token);
8184                                 return -1;
8185                         }
8186                 } else {
8187                         wpa_printf(MSG_INFO,
8188                                    "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
8189                                    token);
8190                         return -1;
8191                 }
8192         }
8193
8194         if (!type) {
8195                 wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
8196                 return -1;
8197         }
8198
8199         if ((wpa_s->mac_addr_rand_supported & type) != type) {
8200                 wpa_printf(MSG_INFO,
8201                            "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
8202                            type, wpa_s->mac_addr_rand_supported);
8203                 return -1;
8204         }
8205
8206         if (enable > 1) {
8207                 wpa_printf(MSG_INFO,
8208                            "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
8209                 return -1;
8210         }
8211
8212         if (!enable) {
8213                 wpas_mac_addr_rand_scan_clear(wpa_s, type);
8214                 if (wpa_s->pno) {
8215                         if (type & MAC_ADDR_RAND_PNO) {
8216                                 wpas_stop_pno(wpa_s);
8217                                 wpas_start_pno(wpa_s);
8218                         }
8219                 } else if (wpa_s->sched_scanning &&
8220                            (type & MAC_ADDR_RAND_SCHED_SCAN)) {
8221                         /* simulate timeout to restart the sched scan */
8222                         wpa_s->sched_scan_timed_out = 1;
8223                         wpa_s->prev_sched_ssid = NULL;
8224                         wpa_supplicant_cancel_sched_scan(wpa_s);
8225                 }
8226                 return 0;
8227         }
8228
8229         if ((addr && !mask) || (!addr && mask)) {
8230                 wpa_printf(MSG_INFO,
8231                            "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
8232                 return -1;
8233         }
8234
8235         if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
8236                 wpa_printf(MSG_INFO,
8237                            "CTRL: MAC_RAND_SCAN cannot allow multicast address");
8238                 return -1;
8239         }
8240
8241         if (type & MAC_ADDR_RAND_SCAN) {
8242                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
8243                                             addr, mask);
8244         }
8245
8246         if (type & MAC_ADDR_RAND_SCHED_SCAN) {
8247                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
8248                                             addr, mask);
8249
8250                 if (wpa_s->sched_scanning && !wpa_s->pno) {
8251                         /* simulate timeout to restart the sched scan */
8252                         wpa_s->sched_scan_timed_out = 1;
8253                         wpa_s->prev_sched_ssid = NULL;
8254                         wpa_supplicant_cancel_sched_scan(wpa_s);
8255                 }
8256         }
8257
8258         if (type & MAC_ADDR_RAND_PNO) {
8259                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
8260                                             addr, mask);
8261                 if (wpa_s->pno) {
8262                         wpas_stop_pno(wpa_s);
8263                         wpas_start_pno(wpa_s);
8264                 }
8265         }
8266
8267         return 0;
8268 }
8269
8270
8271 static int wpas_ctrl_cmd_debug_level(const char *cmd)
8272 {
8273         if (os_strcmp(cmd, "PING") == 0 ||
8274             os_strncmp(cmd, "BSS ", 4) == 0 ||
8275             os_strncmp(cmd, "GET_NETWORK ", 12) == 0 ||
8276             os_strncmp(cmd, "STATUS", 6) == 0 ||
8277             os_strncmp(cmd, "STA ", 4) == 0 ||
8278             os_strncmp(cmd, "STA-", 4) == 0)
8279                 return MSG_EXCESSIVE;
8280         return MSG_DEBUG;
8281 }
8282
8283
8284 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
8285                                          char *buf, size_t *resp_len)
8286 {
8287         char *reply;
8288         const int reply_size = 4096;
8289         int reply_len;
8290
8291         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
8292             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8293                 if (wpa_debug_show_keys)
8294                         wpa_dbg(wpa_s, MSG_DEBUG,
8295                                 "Control interface command '%s'", buf);
8296                 else
8297                         wpa_dbg(wpa_s, MSG_DEBUG,
8298                                 "Control interface command '%s [REMOVED]'",
8299                                 os_strncmp(buf, WPA_CTRL_RSP,
8300                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
8301                                 WPA_CTRL_RSP : "SET_NETWORK");
8302         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
8303                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
8304                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
8305                                       (const u8 *) buf, os_strlen(buf));
8306         } else {
8307                 int level = wpas_ctrl_cmd_debug_level(buf);
8308                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
8309         }
8310
8311         reply = os_malloc(reply_size);
8312         if (reply == NULL) {
8313                 *resp_len = 1;
8314                 return NULL;
8315         }
8316
8317         os_memcpy(reply, "OK\n", 3);
8318         reply_len = 3;
8319
8320         if (os_strcmp(buf, "PING") == 0) {
8321                 os_memcpy(reply, "PONG\n", 5);
8322                 reply_len = 5;
8323         } else if (os_strcmp(buf, "IFNAME") == 0) {
8324                 reply_len = os_strlen(wpa_s->ifname);
8325                 os_memcpy(reply, wpa_s->ifname, reply_len);
8326         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
8327                 if (wpa_debug_reopen_file() < 0)
8328                         reply_len = -1;
8329         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
8330                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
8331         } else if (os_strcmp(buf, "MIB") == 0) {
8332                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
8333                 if (reply_len >= 0) {
8334                         reply_len += eapol_sm_get_mib(wpa_s->eapol,
8335                                                       reply + reply_len,
8336                                                       reply_size - reply_len);
8337                 }
8338         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
8339                 reply_len = wpa_supplicant_ctrl_iface_status(
8340                         wpa_s, buf + 6, reply, reply_size);
8341         } else if (os_strcmp(buf, "PMKSA") == 0) {
8342                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
8343                                                     reply_size);
8344         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
8345                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
8346         } else if (os_strncmp(buf, "SET ", 4) == 0) {
8347                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
8348                         reply_len = -1;
8349         } else if (os_strncmp(buf, "DUMP", 4) == 0) {
8350                 reply_len = wpa_config_dump_values(wpa_s->conf,
8351                                                    reply, reply_size);
8352         } else if (os_strncmp(buf, "GET ", 4) == 0) {
8353                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
8354                                                           reply, reply_size);
8355         } else if (os_strcmp(buf, "LOGON") == 0) {
8356                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
8357         } else if (os_strcmp(buf, "LOGOFF") == 0) {
8358                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
8359         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
8360                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8361                         reply_len = -1;
8362                 else
8363                         wpas_request_connection(wpa_s);
8364         } else if (os_strcmp(buf, "REATTACH") == 0) {
8365                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
8366                     !wpa_s->current_ssid)
8367                         reply_len = -1;
8368                 else {
8369                         wpa_s->reattach = 1;
8370                         wpas_request_connection(wpa_s);
8371                 }
8372         } else if (os_strcmp(buf, "RECONNECT") == 0) {
8373                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8374                         reply_len = -1;
8375                 else if (wpa_s->disconnected)
8376                         wpas_request_connection(wpa_s);
8377 #ifdef IEEE8021X_EAPOL
8378         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
8379                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
8380                         reply_len = -1;
8381 #endif /* IEEE8021X_EAPOL */
8382 #ifdef CONFIG_PEERKEY
8383         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
8384                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
8385                         reply_len = -1;
8386 #endif /* CONFIG_PEERKEY */
8387 #ifdef CONFIG_IEEE80211R
8388         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
8389                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
8390                         reply_len = -1;
8391 #endif /* CONFIG_IEEE80211R */
8392 #ifdef CONFIG_WPS
8393         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
8394                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
8395                 if (res == -2) {
8396                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8397                         reply_len = 17;
8398                 } else if (res)
8399                         reply_len = -1;
8400         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
8401                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
8402                 if (res == -2) {
8403                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8404                         reply_len = 17;
8405                 } else if (res)
8406                         reply_len = -1;
8407         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
8408                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
8409                                                               reply,
8410                                                               reply_size);
8411         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
8412                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
8413                         wpa_s, buf + 14, reply, reply_size);
8414         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
8415                 if (wpas_wps_cancel(wpa_s))
8416                         reply_len = -1;
8417 #ifdef CONFIG_WPS_NFC
8418         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
8419                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
8420                         reply_len = -1;
8421         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
8422                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
8423                         reply_len = -1;
8424         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
8425                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
8426                         wpa_s, buf + 21, reply, reply_size);
8427         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
8428                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
8429                         wpa_s, buf + 14, reply, reply_size);
8430         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
8431                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
8432                                                                buf + 17))
8433                         reply_len = -1;
8434         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
8435                 reply_len = wpas_ctrl_nfc_get_handover_req(
8436                         wpa_s, buf + 21, reply, reply_size);
8437         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
8438                 reply_len = wpas_ctrl_nfc_get_handover_sel(
8439                         wpa_s, buf + 21, reply, reply_size);
8440         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
8441                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
8442                         reply_len = -1;
8443 #endif /* CONFIG_WPS_NFC */
8444         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
8445                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
8446                         reply_len = -1;
8447 #ifdef CONFIG_AP
8448         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
8449                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
8450                         wpa_s, buf + 11, reply, reply_size);
8451 #endif /* CONFIG_AP */
8452 #ifdef CONFIG_WPS_ER
8453         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
8454                 if (wpas_wps_er_start(wpa_s, NULL))
8455                         reply_len = -1;
8456         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
8457                 if (wpas_wps_er_start(wpa_s, buf + 13))
8458                         reply_len = -1;
8459         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
8460                 wpas_wps_er_stop(wpa_s);
8461         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
8462                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
8463                         reply_len = -1;
8464         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
8465                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
8466                 if (ret == -2) {
8467                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8468                         reply_len = 17;
8469                 } else if (ret == -3) {
8470                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
8471                         reply_len = 18;
8472                 } else if (ret == -4) {
8473                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
8474                         reply_len = 20;
8475                 } else if (ret)
8476                         reply_len = -1;
8477         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
8478                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
8479                         reply_len = -1;
8480         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
8481                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
8482                                                                 buf + 18))
8483                         reply_len = -1;
8484         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
8485                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
8486                         reply_len = -1;
8487 #ifdef CONFIG_WPS_NFC
8488         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
8489                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
8490                         wpa_s, buf + 24, reply, reply_size);
8491 #endif /* CONFIG_WPS_NFC */
8492 #endif /* CONFIG_WPS_ER */
8493 #endif /* CONFIG_WPS */
8494 #ifdef CONFIG_IBSS_RSN
8495         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
8496                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
8497                         reply_len = -1;
8498 #endif /* CONFIG_IBSS_RSN */
8499 #ifdef CONFIG_MESH
8500         } else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
8501                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8502                         wpa_s, buf + 19, reply, reply_size);
8503         } else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
8504                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8505                         wpa_s, "", reply, reply_size);
8506         } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
8507                 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
8508                         reply_len = -1;
8509         } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
8510                 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
8511                                                                 buf + 18))
8512                         reply_len = -1;
8513 #endif /* CONFIG_MESH */
8514 #ifdef CONFIG_P2P
8515         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
8516                 if (p2p_ctrl_find(wpa_s, buf + 8))
8517                         reply_len = -1;
8518         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
8519                 if (p2p_ctrl_find(wpa_s, ""))
8520                         reply_len = -1;
8521         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
8522                 wpas_p2p_stop_find(wpa_s);
8523         } else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
8524                 if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
8525                         reply_len = -1;
8526         } else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
8527                 if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
8528                         reply_len = -1;
8529         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
8530                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
8531                                              reply_size);
8532         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
8533                 if (p2p_ctrl_listen(wpa_s, buf + 11))
8534                         reply_len = -1;
8535         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
8536                 if (p2p_ctrl_listen(wpa_s, ""))
8537                         reply_len = -1;
8538         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
8539                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
8540                         reply_len = -1;
8541         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
8542                 if (p2p_ctrl_group_add(wpa_s, ""))
8543                         reply_len = -1;
8544         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
8545                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
8546                         reply_len = -1;
8547         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
8548                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
8549                         reply_len = -1;
8550         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
8551                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
8552         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
8553                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
8554                                                    reply_size);
8555         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
8556                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
8557                         reply_len = -1;
8558         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
8559                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
8560                         reply_len = -1;
8561         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
8562                 wpas_p2p_sd_service_update(wpa_s);
8563         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
8564                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
8565                         reply_len = -1;
8566         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
8567                 wpas_p2p_service_flush(wpa_s);
8568         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
8569                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
8570                         reply_len = -1;
8571         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
8572                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
8573                         reply_len = -1;
8574         } else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
8575                 if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
8576                         reply_len = -1;
8577         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
8578                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
8579                         reply_len = -1;
8580         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
8581                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
8582                         reply_len = -1;
8583         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
8584                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
8585                                               reply_size);
8586         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
8587                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
8588                         reply_len = -1;
8589         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
8590                 p2p_ctrl_flush(wpa_s);
8591         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
8592                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
8593                         reply_len = -1;
8594         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
8595                 if (wpas_p2p_cancel(wpa_s))
8596                         reply_len = -1;
8597         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
8598                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
8599                         reply_len = -1;
8600         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
8601                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
8602                         reply_len = -1;
8603         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
8604                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
8605                         reply_len = -1;
8606         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
8607                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
8608                         reply_len = -1;
8609         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
8610                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
8611                         reply_len = -1;
8612 #endif /* CONFIG_P2P */
8613 #ifdef CONFIG_WIFI_DISPLAY
8614         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
8615                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
8616                         reply_len = -1;
8617         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
8618                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
8619                                                      reply, reply_size);
8620 #endif /* CONFIG_WIFI_DISPLAY */
8621 #ifdef CONFIG_INTERWORKING
8622         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
8623                 if (interworking_fetch_anqp(wpa_s) < 0)
8624                         reply_len = -1;
8625         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
8626                 interworking_stop_fetch_anqp(wpa_s);
8627         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
8628                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
8629                         reply_len = -1;
8630         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
8631                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
8632                         reply_len = -1;
8633         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
8634                 if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
8635                         reply_len = -1;
8636         } else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
8637                 int id;
8638
8639                 id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
8640                 if (id < 0)
8641                         reply_len = -1;
8642                 else {
8643                         reply_len = os_snprintf(reply, reply_size, "%d\n", id);
8644                         if (os_snprintf_error(reply_size, reply_len))
8645                                 reply_len = -1;
8646                 }
8647         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
8648                 if (get_anqp(wpa_s, buf + 9) < 0)
8649                         reply_len = -1;
8650         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
8651                 if (gas_request(wpa_s, buf + 12) < 0)
8652                         reply_len = -1;
8653         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
8654                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
8655                                              reply_size);
8656 #endif /* CONFIG_INTERWORKING */
8657 #ifdef CONFIG_HS20
8658         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
8659                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
8660                         reply_len = -1;
8661         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
8662                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
8663                         reply_len = -1;
8664         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
8665                 if (hs20_icon_request(wpa_s, buf + 18, 0) < 0)
8666                         reply_len = -1;
8667         } else if (os_strncmp(buf, "REQ_HS20_ICON ", 14) == 0) {
8668                 if (hs20_icon_request(wpa_s, buf + 14, 1) < 0)
8669                         reply_len = -1;
8670         } else if (os_strncmp(buf, "GET_HS20_ICON ", 14) == 0) {
8671                 reply_len = get_hs20_icon(wpa_s, buf + 14, reply, reply_size);
8672         } else if (os_strncmp(buf, "DEL_HS20_ICON ", 14) == 0) {
8673                 if (del_hs20_icon(wpa_s, buf + 14) < 0)
8674                         reply_len = -1;
8675         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
8676                 if (hs20_fetch_osu(wpa_s) < 0)
8677                         reply_len = -1;
8678         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
8679                 hs20_cancel_fetch_osu(wpa_s);
8680 #endif /* CONFIG_HS20 */
8681         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
8682         {
8683                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
8684                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
8685                         reply_len = -1;
8686                 else {
8687                         /*
8688                          * Notify response from timeout to allow the control
8689                          * interface response to be sent first.
8690                          */
8691                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
8692                                                wpa_s, NULL);
8693                 }
8694         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
8695                 if (wpa_supplicant_reload_configuration(wpa_s))
8696                         reply_len = -1;
8697         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8698                 wpa_supplicant_terminate_proc(wpa_s->global);
8699         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
8700                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
8701                         reply_len = -1;
8702         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
8703                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
8704                         wpa_s, buf + 9, reply, reply_size);
8705         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
8706                 reply_len = wpa_supplicant_ctrl_iface_log_level(
8707                         wpa_s, buf + 9, reply, reply_size);
8708         } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
8709                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8710                         wpa_s, buf + 14, reply, reply_size);
8711         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
8712                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8713                         wpa_s, NULL, reply, reply_size);
8714         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
8715 #ifdef CONFIG_SME
8716                 wpa_s->sme.prev_bssid_set = 0;
8717 #endif /* CONFIG_SME */
8718                 wpa_s->reassociate = 0;
8719                 wpa_s->disconnected = 1;
8720                 wpa_supplicant_cancel_sched_scan(wpa_s);
8721                 wpa_supplicant_cancel_scan(wpa_s);
8722                 wpa_supplicant_deauthenticate(wpa_s,
8723                                               WLAN_REASON_DEAUTH_LEAVING);
8724                 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
8725         } else if (os_strcmp(buf, "SCAN") == 0) {
8726                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
8727         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
8728                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
8729         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
8730                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
8731                         wpa_s, reply, reply_size);
8732         } else if (os_strcmp(buf, "ABORT_SCAN") == 0) {
8733                 if (wpas_abort_ongoing_scan(wpa_s) < 0)
8734                         reply_len = -1;
8735         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
8736                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
8737                         reply_len = -1;
8738         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
8739                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
8740                         reply_len = -1;
8741         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
8742                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
8743                         reply_len = -1;
8744         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
8745                 reply_len = wpa_supplicant_ctrl_iface_add_network(
8746                         wpa_s, reply, reply_size);
8747         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
8748                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
8749                         reply_len = -1;
8750         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8751                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
8752                         reply_len = -1;
8753         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
8754                 reply_len = wpa_supplicant_ctrl_iface_get_network(
8755                         wpa_s, buf + 12, reply, reply_size);
8756         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
8757                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12,
8758                                                           wpa_s))
8759                         reply_len = -1;
8760         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
8761                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
8762                         wpa_s, reply, reply_size);
8763         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
8764                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
8765                         wpa_s, reply, reply_size);
8766         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
8767                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
8768                         reply_len = -1;
8769         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
8770                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
8771                         reply_len = -1;
8772         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
8773                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
8774                                                                reply,
8775                                                                reply_size);
8776 #ifndef CONFIG_NO_CONFIG_WRITE
8777         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8778                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
8779                         reply_len = -1;
8780 #endif /* CONFIG_NO_CONFIG_WRITE */
8781         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
8782                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
8783                         wpa_s, buf + 15, reply, reply_size);
8784         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
8785                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
8786                         reply_len = -1;
8787         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
8788                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
8789                         reply_len = -1;
8790         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8791                 reply_len = wpa_supplicant_global_iface_list(
8792                         wpa_s->global, reply, reply_size);
8793         } else if (os_strcmp(buf, "INTERFACES") == 0) {
8794                 reply_len = wpa_supplicant_global_iface_interfaces(
8795                         wpa_s->global, reply, reply_size);
8796         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
8797                 reply_len = wpa_supplicant_ctrl_iface_bss(
8798                         wpa_s, buf + 4, reply, reply_size);
8799 #ifdef CONFIG_AP
8800         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
8801                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
8802         } else if (os_strncmp(buf, "STA ", 4) == 0) {
8803                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
8804                                               reply_size);
8805         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
8806                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
8807                                                    reply_size);
8808         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
8809                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
8810                         reply_len = -1;
8811         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
8812                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
8813                         reply_len = -1;
8814         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
8815                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
8816                         reply_len = -1;
8817         } else if (os_strcmp(buf, "STOP_AP") == 0) {
8818                 if (wpas_ap_stop_ap(wpa_s))
8819                         reply_len = -1;
8820 #endif /* CONFIG_AP */
8821         } else if (os_strcmp(buf, "SUSPEND") == 0) {
8822                 wpas_notify_suspend(wpa_s->global);
8823         } else if (os_strcmp(buf, "RESUME") == 0) {
8824                 wpas_notify_resume(wpa_s->global);
8825 #ifdef CONFIG_TESTING_OPTIONS
8826         } else if (os_strcmp(buf, "DROP_SA") == 0) {
8827                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
8828 #endif /* CONFIG_TESTING_OPTIONS */
8829         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
8830                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
8831                         reply_len = -1;
8832         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
8833                 wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
8834         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
8835                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
8836                         reply_len = -1;
8837         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
8838                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
8839                                                                buf + 17))
8840                         reply_len = -1;
8841         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
8842                 wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
8843 #ifdef CONFIG_TDLS
8844         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
8845                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
8846                         reply_len = -1;
8847         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
8848                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
8849                         reply_len = -1;
8850         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
8851                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
8852                         reply_len = -1;
8853         } else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
8854                 if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
8855                                                                buf + 17))
8856                         reply_len = -1;
8857         } else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
8858                 if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
8859                                                                       buf + 24))
8860                         reply_len = -1;
8861         } else if (os_strncmp(buf, "TDLS_LINK_STATUS ", 17) == 0) {
8862                 reply_len = wpa_supplicant_ctrl_iface_tdls_link_status(
8863                         wpa_s, buf + 17, reply, reply_size);
8864 #endif /* CONFIG_TDLS */
8865         } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
8866                 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
8867         } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
8868                 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
8869                         reply_len = -1;
8870         } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
8871                 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
8872                         reply_len = -1;
8873         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
8874                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
8875                                                        reply_size);
8876         } else if (os_strncmp(buf, "SIGNAL_MONITOR", 14) == 0) {
8877                 if (wpas_ctrl_iface_signal_monitor(wpa_s, buf + 14))
8878                         reply_len = -1;
8879         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
8880                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
8881                                                        reply_size);
8882 #ifdef CONFIG_AUTOSCAN
8883         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
8884                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
8885                         reply_len = -1;
8886 #endif /* CONFIG_AUTOSCAN */
8887 #ifdef ANDROID
8888         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
8889                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
8890                                                       reply_size);
8891 #endif /* ANDROID */
8892         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
8893                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
8894                                                       reply_size);
8895         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
8896                 pmksa_cache_clear_current(wpa_s->wpa);
8897                 eapol_sm_request_reauth(wpa_s->eapol);
8898 #ifdef CONFIG_WNM
8899         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
8900                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
8901                         reply_len = -1;
8902         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
8903                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
8904                                 reply_len = -1;
8905 #endif /* CONFIG_WNM */
8906         } else if (os_strcmp(buf, "FLUSH") == 0) {
8907                 wpa_supplicant_ctrl_iface_flush(wpa_s);
8908         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
8909                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
8910                                                  reply_size);
8911 #ifdef CONFIG_TESTING_OPTIONS
8912         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
8913                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
8914                         reply_len = -1;
8915         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
8916                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
8917         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
8918                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
8919                         reply_len = -1;
8920         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
8921                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
8922                         reply_len = -1;
8923         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
8924                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
8925                         reply_len = -1;
8926         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
8927                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
8928                         reply_len = -1;
8929         } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
8930                 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
8931                         reply_len = -1;
8932         } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
8933                 if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
8934                         reply_len = -1;
8935         } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
8936                 reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
8937         } else if (os_strncmp(buf, "TEST_FAIL ", 10) == 0) {
8938                 if (wpas_ctrl_test_fail(wpa_s, buf + 10) < 0)
8939                         reply_len = -1;
8940         } else if (os_strcmp(buf, "GET_FAIL") == 0) {
8941                 reply_len = wpas_ctrl_get_fail(wpa_s, reply, reply_size);
8942         } else if (os_strncmp(buf, "EVENT_TEST ", 11) == 0) {
8943                 if (wpas_ctrl_event_test(wpa_s, buf + 11) < 0)
8944                         reply_len = -1;
8945         } else if (os_strncmp(buf, "TEST_ASSOC_IE ", 14) == 0) {
8946                 if (wpas_ctrl_test_assoc_ie(wpa_s, buf + 14) < 0)
8947                         reply_len = -1;
8948 #endif /* CONFIG_TESTING_OPTIONS */
8949         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
8950                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
8951                         reply_len = -1;
8952         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
8953                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
8954                                                       reply_size);
8955         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
8956                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
8957                         reply_len = -1;
8958         } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
8959                 if (wpas_ctrl_iface_send_neigbor_rep(wpa_s, buf + 20))
8960                         reply_len = -1;
8961         } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
8962                 wpas_ctrl_iface_erp_flush(wpa_s);
8963         } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
8964                 if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
8965                         reply_len = -1;
8966         } else if (os_strncmp(buf, "GET_PREF_FREQ_LIST ", 19) == 0) {
8967                 reply_len = wpas_ctrl_iface_get_pref_freq_list(
8968                         wpa_s, buf + 19, reply, reply_size);
8969         } else {
8970                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8971                 reply_len = 16;
8972         }
8973
8974         if (reply_len < 0) {
8975                 os_memcpy(reply, "FAIL\n", 5);
8976                 reply_len = 5;
8977         }
8978
8979         *resp_len = reply_len;
8980         return reply;
8981 }
8982
8983
8984 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
8985                                            char *cmd)
8986 {
8987         struct wpa_interface iface;
8988         char *pos, *extra;
8989         struct wpa_supplicant *wpa_s;
8990         unsigned int create_iface = 0;
8991         u8 mac_addr[ETH_ALEN];
8992         enum wpa_driver_if_type type = WPA_IF_STATION;
8993
8994         /*
8995          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
8996          * TAB<bridge_ifname>[TAB<create>[TAB<interface_type>]]
8997          */
8998         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
8999
9000         os_memset(&iface, 0, sizeof(iface));
9001
9002         do {
9003                 iface.ifname = pos = cmd;
9004                 pos = os_strchr(pos, '\t');
9005                 if (pos)
9006                         *pos++ = '\0';
9007                 if (iface.ifname[0] == '\0')
9008                         return -1;
9009                 if (pos == NULL)
9010                         break;
9011
9012                 iface.confname = pos;
9013                 pos = os_strchr(pos, '\t');
9014                 if (pos)
9015                         *pos++ = '\0';
9016                 if (iface.confname[0] == '\0')
9017                         iface.confname = NULL;
9018                 if (pos == NULL)
9019                         break;
9020
9021                 iface.driver = pos;
9022                 pos = os_strchr(pos, '\t');
9023                 if (pos)
9024                         *pos++ = '\0';
9025                 if (iface.driver[0] == '\0')
9026                         iface.driver = NULL;
9027                 if (pos == NULL)
9028                         break;
9029
9030                 iface.ctrl_interface = pos;
9031                 pos = os_strchr(pos, '\t');
9032                 if (pos)
9033                         *pos++ = '\0';
9034                 if (iface.ctrl_interface[0] == '\0')
9035                         iface.ctrl_interface = NULL;
9036                 if (pos == NULL)
9037                         break;
9038
9039                 iface.driver_param = pos;
9040                 pos = os_strchr(pos, '\t');
9041                 if (pos)
9042                         *pos++ = '\0';
9043                 if (iface.driver_param[0] == '\0')
9044                         iface.driver_param = NULL;
9045                 if (pos == NULL)
9046                         break;
9047
9048                 iface.bridge_ifname = pos;
9049                 pos = os_strchr(pos, '\t');
9050                 if (pos)
9051                         *pos++ = '\0';
9052                 if (iface.bridge_ifname[0] == '\0')
9053                         iface.bridge_ifname = NULL;
9054                 if (pos == NULL)
9055                         break;
9056
9057                 extra = pos;
9058                 pos = os_strchr(pos, '\t');
9059                 if (pos)
9060                         *pos++ = '\0';
9061                 if (!extra[0])
9062                         break;
9063
9064                 if (os_strcmp(extra, "create") == 0) {
9065                         create_iface = 1;
9066                         if (!pos)
9067                                 break;
9068
9069                         if (os_strcmp(pos, "sta") == 0) {
9070                                 type = WPA_IF_STATION;
9071                         } else if (os_strcmp(pos, "ap") == 0) {
9072                                 type = WPA_IF_AP_BSS;
9073                         } else {
9074                                 wpa_printf(MSG_DEBUG,
9075                                            "INTERFACE_ADD unsupported interface type: '%s'",
9076                                            pos);
9077                                 return -1;
9078                         }
9079                 } else {
9080                         wpa_printf(MSG_DEBUG,
9081                                    "INTERFACE_ADD unsupported extra parameter: '%s'",
9082                                    extra);
9083                         return -1;
9084                 }
9085         } while (0);
9086
9087         if (create_iface) {
9088                 wpa_printf(MSG_DEBUG, "CTRL_IFACE creating interface '%s'",
9089                            iface.ifname);
9090                 if (!global->ifaces)
9091                         return -1;
9092                 if (wpa_drv_if_add(global->ifaces, type, iface.ifname,
9093                                    NULL, NULL, NULL, mac_addr, NULL) < 0) {
9094                         wpa_printf(MSG_ERROR,
9095                                    "CTRL_IFACE interface creation failed");
9096                         return -1;
9097                 }
9098
9099                 wpa_printf(MSG_DEBUG,
9100                            "CTRL_IFACE interface '%s' created with MAC addr: "
9101                            MACSTR, iface.ifname, MAC2STR(mac_addr));
9102         }
9103
9104         if (wpa_supplicant_get_iface(global, iface.ifname))
9105                 goto fail;
9106
9107         wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
9108         if (!wpa_s)
9109                 goto fail;
9110         wpa_s->added_vif = create_iface;
9111         return 0;
9112
9113 fail:
9114         if (create_iface)
9115                 wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, iface.ifname);
9116         return -1;
9117 }
9118
9119
9120 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
9121                                               char *cmd)
9122 {
9123         struct wpa_supplicant *wpa_s;
9124         int ret;
9125         unsigned int delete_iface;
9126
9127         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
9128
9129         wpa_s = wpa_supplicant_get_iface(global, cmd);
9130         if (wpa_s == NULL)
9131                 return -1;
9132         delete_iface = wpa_s->added_vif;
9133         ret = wpa_supplicant_remove_iface(global, wpa_s, 0);
9134         if (!ret && delete_iface) {
9135                 wpa_printf(MSG_DEBUG, "CTRL_IFACE deleting the interface '%s'",
9136                            cmd);
9137                 ret = wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, cmd);
9138         }
9139         return ret;
9140 }
9141
9142
9143 static void wpa_free_iface_info(struct wpa_interface_info *iface)
9144 {
9145         struct wpa_interface_info *prev;
9146
9147         while (iface) {
9148                 prev = iface;
9149                 iface = iface->next;
9150
9151                 os_free(prev->ifname);
9152                 os_free(prev->desc);
9153                 os_free(prev);
9154         }
9155 }
9156
9157
9158 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
9159                                             char *buf, int len)
9160 {
9161         int i, res;
9162         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
9163         char *pos, *end;
9164
9165         for (i = 0; wpa_drivers[i]; i++) {
9166                 const struct wpa_driver_ops *drv = wpa_drivers[i];
9167                 if (drv->get_interfaces == NULL)
9168                         continue;
9169                 tmp = drv->get_interfaces(global->drv_priv[i]);
9170                 if (tmp == NULL)
9171                         continue;
9172
9173                 if (last == NULL)
9174                         iface = last = tmp;
9175                 else
9176                         last->next = tmp;
9177                 while (last->next)
9178                         last = last->next;
9179         }
9180
9181         pos = buf;
9182         end = buf + len;
9183         for (tmp = iface; tmp; tmp = tmp->next) {
9184                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
9185                                   tmp->drv_name, tmp->ifname,
9186                                   tmp->desc ? tmp->desc : "");
9187                 if (os_snprintf_error(end - pos, res)) {
9188                         *pos = '\0';
9189                         break;
9190                 }
9191                 pos += res;
9192         }
9193
9194         wpa_free_iface_info(iface);
9195
9196         return pos - buf;
9197 }
9198
9199
9200 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
9201                                                   char *buf, int len)
9202 {
9203         int res;
9204         char *pos, *end;
9205         struct wpa_supplicant *wpa_s;
9206
9207         wpa_s = global->ifaces;
9208         pos = buf;
9209         end = buf + len;
9210
9211         while (wpa_s) {
9212                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
9213                 if (os_snprintf_error(end - pos, res)) {
9214                         *pos = '\0';
9215                         break;
9216                 }
9217                 pos += res;
9218                 wpa_s = wpa_s->next;
9219         }
9220         return pos - buf;
9221 }
9222
9223
9224 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
9225                                             const char *ifname,
9226                                             char *cmd, size_t *resp_len)
9227 {
9228         struct wpa_supplicant *wpa_s;
9229
9230         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9231                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
9232                         break;
9233         }
9234
9235         if (wpa_s == NULL) {
9236                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
9237                 if (resp)
9238                         *resp_len = os_strlen(resp);
9239                 else
9240                         *resp_len = 1;
9241                 return resp;
9242         }
9243
9244         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
9245 }
9246
9247
9248 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
9249                                                char *buf, size_t *resp_len)
9250 {
9251 #ifdef CONFIG_P2P
9252         static const char * cmd[] = {
9253                 "LIST_NETWORKS",
9254                 "P2P_FIND",
9255                 "P2P_STOP_FIND",
9256                 "P2P_LISTEN",
9257                 "P2P_GROUP_ADD",
9258                 "P2P_GET_PASSPHRASE",
9259                 "P2P_SERVICE_UPDATE",
9260                 "P2P_SERVICE_FLUSH",
9261                 "P2P_FLUSH",
9262                 "P2P_CANCEL",
9263                 "P2P_PRESENCE_REQ",
9264                 "P2P_EXT_LISTEN",
9265                 NULL
9266         };
9267         static const char * prefix[] = {
9268 #ifdef ANDROID
9269                 "DRIVER ",
9270 #endif /* ANDROID */
9271                 "GET_NETWORK ",
9272                 "REMOVE_NETWORK ",
9273                 "P2P_FIND ",
9274                 "P2P_CONNECT ",
9275                 "P2P_LISTEN ",
9276                 "P2P_GROUP_REMOVE ",
9277                 "P2P_GROUP_ADD ",
9278                 "P2P_PROV_DISC ",
9279                 "P2P_SERV_DISC_REQ ",
9280                 "P2P_SERV_DISC_CANCEL_REQ ",
9281                 "P2P_SERV_DISC_RESP ",
9282                 "P2P_SERV_DISC_EXTERNAL ",
9283                 "P2P_SERVICE_ADD ",
9284                 "P2P_SERVICE_DEL ",
9285                 "P2P_SERVICE_REP ",
9286                 "P2P_REJECT ",
9287                 "P2P_INVITE ",
9288                 "P2P_PEER ",
9289                 "P2P_SET ",
9290                 "P2P_UNAUTHORIZE ",
9291                 "P2P_PRESENCE_REQ ",
9292                 "P2P_EXT_LISTEN ",
9293                 "P2P_REMOVE_CLIENT ",
9294                 "WPS_NFC_TOKEN ",
9295                 "WPS_NFC_TAG_READ ",
9296                 "NFC_GET_HANDOVER_SEL ",
9297                 "NFC_GET_HANDOVER_REQ ",
9298                 "NFC_REPORT_HANDOVER ",
9299                 "P2P_ASP_PROVISION ",
9300                 "P2P_ASP_PROVISION_RESP ",
9301                 NULL
9302         };
9303         int found = 0;
9304         int i;
9305
9306         if (global->p2p_init_wpa_s == NULL)
9307                 return NULL;
9308
9309         for (i = 0; !found && cmd[i]; i++) {
9310                 if (os_strcmp(buf, cmd[i]) == 0)
9311                         found = 1;
9312         }
9313
9314         for (i = 0; !found && prefix[i]; i++) {
9315                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
9316                         found = 1;
9317         }
9318
9319         if (found)
9320                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9321                                                          buf, resp_len);
9322 #endif /* CONFIG_P2P */
9323         return NULL;
9324 }
9325
9326
9327 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
9328                                                char *buf, size_t *resp_len)
9329 {
9330 #ifdef CONFIG_WIFI_DISPLAY
9331         if (global->p2p_init_wpa_s == NULL)
9332                 return NULL;
9333         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
9334             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
9335                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9336                                                          buf, resp_len);
9337 #endif /* CONFIG_WIFI_DISPLAY */
9338         return NULL;
9339 }
9340
9341
9342 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
9343                                            char *buf, size_t *resp_len)
9344 {
9345         char *ret;
9346
9347         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
9348         if (ret)
9349                 return ret;
9350
9351         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
9352         if (ret)
9353                 return ret;
9354
9355         return NULL;
9356 }
9357
9358
9359 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
9360 {
9361         char *value;
9362
9363         value = os_strchr(cmd, ' ');
9364         if (value == NULL)
9365                 return -1;
9366         *value++ = '\0';
9367
9368         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
9369
9370 #ifdef CONFIG_WIFI_DISPLAY
9371         if (os_strcasecmp(cmd, "wifi_display") == 0) {
9372                 wifi_display_enable(global, !!atoi(value));
9373                 return 0;
9374         }
9375 #endif /* CONFIG_WIFI_DISPLAY */
9376
9377         /* Restore cmd to its original value to allow redirection */
9378         value[-1] = ' ';
9379
9380         return -1;
9381 }
9382
9383
9384 static int wpas_global_ctrl_iface_dup_network(struct wpa_global *global,
9385                                               char *cmd)
9386 {
9387         struct wpa_supplicant *wpa_s[2]; /* src, dst */
9388         char *p;
9389         unsigned int i;
9390
9391         /* cmd: "<src ifname> <dst ifname> <src network id> <dst network id>
9392          * <variable name> */
9393
9394         for (i = 0; i < ARRAY_SIZE(wpa_s) ; i++) {
9395                 p = os_strchr(cmd, ' ');
9396                 if (p == NULL)
9397                         return -1;
9398                 *p = '\0';
9399
9400                 wpa_s[i] = global->ifaces;
9401                 for (; wpa_s[i]; wpa_s[i] = wpa_s[i]->next) {
9402                         if (os_strcmp(cmd, wpa_s[i]->ifname) == 0)
9403                                 break;
9404                 }
9405
9406                 if (!wpa_s[i]) {
9407                         wpa_printf(MSG_DEBUG,
9408                                    "CTRL_IFACE: Could not find iface=%s", cmd);
9409                         return -1;
9410                 }
9411
9412                 cmd = p + 1;
9413         }
9414
9415         return wpa_supplicant_ctrl_iface_dup_network(wpa_s[0], cmd, wpa_s[1]);
9416 }
9417
9418
9419 #ifndef CONFIG_NO_CONFIG_WRITE
9420 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
9421 {
9422         int ret = 0, saved = 0;
9423         struct wpa_supplicant *wpa_s;
9424
9425         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9426                 if (!wpa_s->conf->update_config) {
9427                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
9428                         continue;
9429                 }
9430
9431                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
9432                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
9433                         ret = 1;
9434                 } else {
9435                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
9436                         saved++;
9437                 }
9438         }
9439
9440         if (!saved && !ret) {
9441                 wpa_dbg(wpa_s, MSG_DEBUG,
9442                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
9443                 ret = 1;
9444         }
9445
9446         return ret;
9447 }
9448 #endif /* CONFIG_NO_CONFIG_WRITE */
9449
9450
9451 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
9452                                          char *buf, size_t buflen)
9453 {
9454         char *pos, *end;
9455         int ret;
9456         struct wpa_supplicant *wpa_s;
9457
9458         pos = buf;
9459         end = buf + buflen;
9460
9461 #ifdef CONFIG_P2P
9462         if (global->p2p && !global->p2p_disabled) {
9463                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
9464                                   "\n"
9465                                   "p2p_state=%s\n",
9466                                   MAC2STR(global->p2p_dev_addr),
9467                                   p2p_get_state_txt(global->p2p));
9468                 if (os_snprintf_error(end - pos, ret))
9469                         return pos - buf;
9470                 pos += ret;
9471         } else if (global->p2p) {
9472                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
9473                 if (os_snprintf_error(end - pos, ret))
9474                         return pos - buf;
9475                 pos += ret;
9476         }
9477 #endif /* CONFIG_P2P */
9478
9479 #ifdef CONFIG_WIFI_DISPLAY
9480         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
9481                           !!global->wifi_display);
9482         if (os_snprintf_error(end - pos, ret))
9483                 return pos - buf;
9484         pos += ret;
9485 #endif /* CONFIG_WIFI_DISPLAY */
9486
9487         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9488                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
9489                                   "address=" MACSTR "\n",
9490                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
9491                 if (os_snprintf_error(end - pos, ret))
9492                         return pos - buf;
9493                 pos += ret;
9494         }
9495
9496         return pos - buf;
9497 }
9498
9499
9500 #ifdef CONFIG_FST
9501
9502 static int wpas_global_ctrl_iface_fst_attach(struct wpa_global *global,
9503                                              char *cmd, char *buf,
9504                                              size_t reply_size)
9505 {
9506         char ifname[IFNAMSIZ + 1];
9507         struct fst_iface_cfg cfg;
9508         struct wpa_supplicant *wpa_s;
9509         struct fst_wpa_obj iface_obj;
9510
9511         if (!fst_parse_attach_command(cmd, ifname, sizeof(ifname), &cfg)) {
9512                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9513                 if (wpa_s) {
9514                         if (wpa_s->fst) {
9515                                 wpa_printf(MSG_INFO, "FST: Already attached");
9516                                 return -1;
9517                         }
9518                         fst_wpa_supplicant_fill_iface_obj(wpa_s, &iface_obj);
9519                         wpa_s->fst = fst_attach(ifname, wpa_s->own_addr,
9520                                                 &iface_obj, &cfg);
9521                         if (wpa_s->fst)
9522                                 return os_snprintf(buf, reply_size, "OK\n");
9523                 }
9524         }
9525
9526         return -1;
9527 }
9528
9529
9530 static int wpas_global_ctrl_iface_fst_detach(struct wpa_global *global,
9531                                              char *cmd, char *buf,
9532                                              size_t reply_size)
9533 {
9534         char ifname[IFNAMSIZ + 1];
9535         struct wpa_supplicant *wpa_s;
9536
9537         if (!fst_parse_detach_command(cmd, ifname, sizeof(ifname))) {
9538                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9539                 if (wpa_s) {
9540                         if (!fst_iface_detach(ifname)) {
9541                                 wpa_s->fst = NULL;
9542                                 return os_snprintf(buf, reply_size, "OK\n");
9543                         }
9544                 }
9545         }
9546
9547         return -1;
9548 }
9549
9550 #endif /* CONFIG_FST */
9551
9552
9553 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
9554                                                 char *buf, size_t *resp_len)
9555 {
9556         char *reply;
9557         const int reply_size = 2048;
9558         int reply_len;
9559         int level = MSG_DEBUG;
9560
9561         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
9562                 char *pos = os_strchr(buf + 7, ' ');
9563                 if (pos) {
9564                         *pos++ = '\0';
9565                         return wpas_global_ctrl_iface_ifname(global,
9566                                                              buf + 7, pos,
9567                                                              resp_len);
9568                 }
9569         }
9570
9571         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
9572         if (reply)
9573                 return reply;
9574
9575         if (os_strcmp(buf, "PING") == 0)
9576                 level = MSG_EXCESSIVE;
9577         wpa_hexdump_ascii(level, "RX global ctrl_iface",
9578                           (const u8 *) buf, os_strlen(buf));
9579
9580         reply = os_malloc(reply_size);
9581         if (reply == NULL) {
9582                 *resp_len = 1;
9583                 return NULL;
9584         }
9585
9586         os_memcpy(reply, "OK\n", 3);
9587         reply_len = 3;
9588
9589         if (os_strcmp(buf, "PING") == 0) {
9590                 os_memcpy(reply, "PONG\n", 5);
9591                 reply_len = 5;
9592         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
9593                 if (wpa_supplicant_global_iface_add(global, buf + 14))
9594                         reply_len = -1;
9595         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
9596                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
9597                         reply_len = -1;
9598         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
9599                 reply_len = wpa_supplicant_global_iface_list(
9600                         global, reply, reply_size);
9601         } else if (os_strcmp(buf, "INTERFACES") == 0) {
9602                 reply_len = wpa_supplicant_global_iface_interfaces(
9603                         global, reply, reply_size);
9604 #ifdef CONFIG_FST
9605         } else if (os_strncmp(buf, "FST-ATTACH ", 11) == 0) {
9606                 reply_len = wpas_global_ctrl_iface_fst_attach(global, buf + 11,
9607                                                               reply,
9608                                                               reply_size);
9609         } else if (os_strncmp(buf, "FST-DETACH ", 11) == 0) {
9610                 reply_len = wpas_global_ctrl_iface_fst_detach(global, buf + 11,
9611                                                               reply,
9612                                                               reply_size);
9613         } else if (os_strncmp(buf, "FST-MANAGER ", 12) == 0) {
9614                 reply_len = fst_ctrl_iface_receive(buf + 12, reply, reply_size);
9615 #endif /* CONFIG_FST */
9616         } else if (os_strcmp(buf, "TERMINATE") == 0) {
9617                 wpa_supplicant_terminate_proc(global);
9618         } else if (os_strcmp(buf, "SUSPEND") == 0) {
9619                 wpas_notify_suspend(global);
9620         } else if (os_strcmp(buf, "RESUME") == 0) {
9621                 wpas_notify_resume(global);
9622         } else if (os_strncmp(buf, "SET ", 4) == 0) {
9623                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
9624 #ifdef CONFIG_P2P
9625                         if (global->p2p_init_wpa_s) {
9626                                 os_free(reply);
9627                                 /* Check if P2P redirection would work for this
9628                                  * command. */
9629                                 return wpa_supplicant_ctrl_iface_process(
9630                                         global->p2p_init_wpa_s,
9631                                         buf, resp_len);
9632                         }
9633 #endif /* CONFIG_P2P */
9634                         reply_len = -1;
9635                 }
9636         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
9637                 if (wpas_global_ctrl_iface_dup_network(global, buf + 12))
9638                         reply_len = -1;
9639 #ifndef CONFIG_NO_CONFIG_WRITE
9640         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
9641                 if (wpas_global_ctrl_iface_save_config(global))
9642                         reply_len = -1;
9643 #endif /* CONFIG_NO_CONFIG_WRITE */
9644         } else if (os_strcmp(buf, "STATUS") == 0) {
9645                 reply_len = wpas_global_ctrl_iface_status(global, reply,
9646                                                           reply_size);
9647 #ifdef CONFIG_MODULE_TESTS
9648         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
9649                 int wpas_module_tests(void);
9650                 if (wpas_module_tests() < 0)
9651                         reply_len = -1;
9652 #endif /* CONFIG_MODULE_TESTS */
9653         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
9654                 if (wpa_debug_reopen_file() < 0)
9655                         reply_len = -1;
9656         } else {
9657                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
9658                 reply_len = 16;
9659         }
9660
9661         if (reply_len < 0) {
9662                 os_memcpy(reply, "FAIL\n", 5);
9663                 reply_len = 5;
9664         }
9665
9666         *resp_len = reply_len;
9667         return reply;
9668 }