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