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         while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
4601                 char *term;
4602
4603                 term = os_strchr(pos + 1, ' ');
4604                 _seek[seek_count++] = pos + 6;
4605                 seek = _seek;
4606                 pos = os_strstr(pos + 6, " seek=");
4607
4608                 if (term)
4609                         *term = '\0';
4610         }
4611         if (seek_count > P2P_MAX_QUERY_HASH) {
4612                 seek[0] = NULL;
4613                 seek_count = 1;
4614         }
4615
4616         pos = os_strstr(cmd, "freq=");
4617         if (pos) {
4618                 pos += 5;
4619                 freq = atoi(pos);
4620                 if (freq <= 0)
4621                         return -1;
4622         }
4623
4624         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4625                              _dev_id, search_delay, seek_count, seek, freq);
4626 }
4627
4628
4629 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
4630 {
4631         struct p2ps_provision *p2ps_prov;
4632         char *pos;
4633         size_t info_len = 0;
4634         char *info = NULL;
4635         u8 role = P2PS_SETUP_NONE;
4636         long long unsigned val;
4637
4638         pos = os_strstr(cmd, "info=");
4639         if (pos) {
4640                 pos += 5;
4641                 info_len = os_strlen(pos);
4642
4643                 if (info_len) {
4644                         info = os_malloc(info_len + 1);
4645                         if (info) {
4646                                 info_len = utf8_unescape(pos, info_len,
4647                                                          info, info_len + 1);
4648                         } else
4649                                 info_len = 0;
4650                 }
4651         }
4652
4653         p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
4654         if (p2ps_prov == NULL) {
4655                 os_free(info);
4656                 return NULL;
4657         }
4658
4659         if (info) {
4660                 os_memcpy(p2ps_prov->info, info, info_len);
4661                 p2ps_prov->info[info_len] = '\0';
4662                 os_free(info);
4663         }
4664
4665         pos = os_strstr(cmd, "status=");
4666         if (pos)
4667                 p2ps_prov->status = atoi(pos + 7);
4668         else
4669                 p2ps_prov->status = -1;
4670
4671         pos = os_strstr(cmd, "adv_id=");
4672         if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
4673                 goto invalid_args;
4674         p2ps_prov->adv_id = val;
4675
4676         pos = os_strstr(cmd, "method=");
4677         if (pos)
4678                 p2ps_prov->method = strtol(pos + 7, NULL, 16);
4679         else
4680                 p2ps_prov->method = 0;
4681
4682         pos = os_strstr(cmd, "session=");
4683         if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
4684                 goto invalid_args;
4685         p2ps_prov->session_id = val;
4686
4687         pos = os_strstr(cmd, "adv_mac=");
4688         if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
4689                 goto invalid_args;
4690
4691         pos = os_strstr(cmd, "session_mac=");
4692         if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
4693                 goto invalid_args;
4694
4695         /* force conncap with tstCap (no sanity checks) */
4696         pos = os_strstr(cmd, "tstCap=");
4697         if (pos) {
4698                 role = strtol(pos + 7, NULL, 16);
4699         } else {
4700                 pos = os_strstr(cmd, "role=");
4701                 if (pos) {
4702                         role = strtol(pos + 5, NULL, 16);
4703                         if (role != P2PS_SETUP_CLIENT &&
4704                             role != P2PS_SETUP_GROUP_OWNER)
4705                                 role = P2PS_SETUP_NONE;
4706                 }
4707         }
4708         p2ps_prov->role = role;
4709
4710         return p2ps_prov;
4711
4712 invalid_args:
4713         os_free(p2ps_prov);
4714         return NULL;
4715 }
4716
4717
4718 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
4719 {
4720         u8 addr[ETH_ALEN];
4721         struct p2ps_provision *p2ps_prov;
4722         char *pos;
4723
4724         /* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
4725
4726         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4727
4728         if (hwaddr_aton(cmd, addr))
4729                 return -1;
4730
4731         pos = cmd + 17;
4732         if (*pos != ' ')
4733                 return -1;
4734
4735         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4736         if (!p2ps_prov)
4737                 return -1;
4738
4739         if (p2ps_prov->status < 0) {
4740                 os_free(p2ps_prov);
4741                 return -1;
4742         }
4743
4744         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4745                                   p2ps_prov);
4746 }
4747
4748
4749 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
4750 {
4751         u8 addr[ETH_ALEN];
4752         struct p2ps_provision *p2ps_prov;
4753         char *pos;
4754
4755         /* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
4756          *        session=<ses_id> mac=<ses_mac> [info=<infodata>]
4757          */
4758
4759         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4760         if (hwaddr_aton(cmd, addr))
4761                 return -1;
4762
4763         pos = cmd + 17;
4764         if (*pos != ' ')
4765                 return -1;
4766
4767         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4768         if (!p2ps_prov)
4769                 return -1;
4770
4771         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4772                                   p2ps_prov);
4773 }
4774
4775
4776 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4777                             char *buf, size_t buflen)
4778 {
4779         u8 addr[ETH_ALEN];
4780         char *pos, *pos2;
4781         char *pin = NULL;
4782         enum p2p_wps_method wps_method;
4783         int new_pin;
4784         int ret;
4785         int persistent_group, persistent_id = -1;
4786         int join;
4787         int auth;
4788         int automatic;
4789         int go_intent = -1;
4790         int freq = 0;
4791         int pd;
4792         int ht40, vht;
4793
4794         if (!wpa_s->global->p2p_init_wpa_s)
4795                 return -1;
4796         if (wpa_s->global->p2p_init_wpa_s != wpa_s) {
4797                 wpa_dbg(wpa_s, MSG_DEBUG, "Direct P2P_CONNECT command to %s",
4798                         wpa_s->global->p2p_init_wpa_s->ifname);
4799                 wpa_s = wpa_s->global->p2p_init_wpa_s;
4800         }
4801
4802         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
4803          * [persistent|persistent=<network id>]
4804          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4805          * [ht40] [vht] [auto] */
4806
4807         if (hwaddr_aton(cmd, addr))
4808                 return -1;
4809
4810         pos = cmd + 17;
4811         if (*pos != ' ')
4812                 return -1;
4813         pos++;
4814
4815         persistent_group = os_strstr(pos, " persistent") != NULL;
4816         pos2 = os_strstr(pos, " persistent=");
4817         if (pos2) {
4818                 struct wpa_ssid *ssid;
4819                 persistent_id = atoi(pos2 + 12);
4820                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4821                 if (ssid == NULL || ssid->disabled != 2 ||
4822                     ssid->mode != WPAS_MODE_P2P_GO) {
4823                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4824                                    "SSID id=%d for persistent P2P group (GO)",
4825                                    persistent_id);
4826                         return -1;
4827                 }
4828         }
4829         join = os_strstr(pos, " join") != NULL;
4830         auth = os_strstr(pos, " auth") != NULL;
4831         automatic = os_strstr(pos, " auto") != NULL;
4832         pd = os_strstr(pos, " provdisc") != NULL;
4833         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4834         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4835                 vht;
4836
4837         pos2 = os_strstr(pos, " go_intent=");
4838         if (pos2) {
4839                 pos2 += 11;
4840                 go_intent = atoi(pos2);
4841                 if (go_intent < 0 || go_intent > 15)
4842                         return -1;
4843         }
4844
4845         pos2 = os_strstr(pos, " freq=");
4846         if (pos2) {
4847                 pos2 += 6;
4848                 freq = atoi(pos2);
4849                 if (freq <= 0)
4850                         return -1;
4851         }
4852
4853         if (os_strncmp(pos, "pin", 3) == 0) {
4854                 /* Request random PIN (to be displayed) and enable the PIN */
4855                 wps_method = WPS_PIN_DISPLAY;
4856         } else if (os_strncmp(pos, "pbc", 3) == 0) {
4857                 wps_method = WPS_PBC;
4858         } else {
4859                 pin = pos;
4860                 pos = os_strchr(pin, ' ');
4861                 wps_method = WPS_PIN_KEYPAD;
4862                 if (pos) {
4863                         *pos++ = '\0';
4864                         if (os_strncmp(pos, "display", 7) == 0)
4865                                 wps_method = WPS_PIN_DISPLAY;
4866                         else if (os_strncmp(pos, "p2ps", 4) == 0)
4867                                 wps_method = WPS_P2PS;
4868                 }
4869                 if (!wps_pin_str_valid(pin)) {
4870                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
4871                         return 17;
4872                 }
4873         }
4874
4875         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
4876                                    persistent_group, automatic, join,
4877                                    auth, go_intent, freq, persistent_id, pd,
4878                                    ht40, vht);
4879         if (new_pin == -2) {
4880                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
4881                 return 25;
4882         }
4883         if (new_pin == -3) {
4884                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
4885                 return 25;
4886         }
4887         if (new_pin < 0)
4888                 return -1;
4889         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
4890                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
4891                 if (os_snprintf_error(buflen, ret))
4892                         return -1;
4893                 return ret;
4894         }
4895
4896         os_memcpy(buf, "OK\n", 3);
4897         return 3;
4898 }
4899
4900
4901 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
4902 {
4903         unsigned int timeout = atoi(cmd);
4904         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4905                 wpa_dbg(wpa_s, MSG_INFO,
4906                         "Reject P2P_LISTEN since interface is disabled");
4907                 return -1;
4908         }
4909         return wpas_p2p_listen(wpa_s, timeout);
4910 }
4911
4912
4913 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
4914 {
4915         u8 addr[ETH_ALEN];
4916         char *pos;
4917         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
4918
4919         /* <addr> <config method> [join|auto] */
4920
4921         if (hwaddr_aton(cmd, addr))
4922                 return -1;
4923
4924         pos = cmd + 17;
4925         if (*pos != ' ')
4926                 return -1;
4927         pos++;
4928
4929         if (os_strstr(pos, " join") != NULL)
4930                 use = WPAS_P2P_PD_FOR_JOIN;
4931         else if (os_strstr(pos, " auto") != NULL)
4932                 use = WPAS_P2P_PD_AUTO;
4933
4934         return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
4935 }
4936
4937
4938 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
4939                               size_t buflen)
4940 {
4941         struct wpa_ssid *ssid = wpa_s->current_ssid;
4942
4943         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
4944             ssid->passphrase == NULL)
4945                 return -1;
4946
4947         os_strlcpy(buf, ssid->passphrase, buflen);
4948         return os_strlen(buf);
4949 }
4950
4951
4952 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
4953                                   char *buf, size_t buflen)
4954 {
4955         u64 ref;
4956         int res;
4957         u8 dst_buf[ETH_ALEN], *dst;
4958         struct wpabuf *tlvs;
4959         char *pos;
4960         size_t len;
4961
4962         if (hwaddr_aton(cmd, dst_buf))
4963                 return -1;
4964         dst = dst_buf;
4965         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
4966             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
4967                 dst = NULL;
4968         pos = cmd + 17;
4969         if (*pos != ' ')
4970                 return -1;
4971         pos++;
4972
4973         if (os_strncmp(pos, "upnp ", 5) == 0) {
4974                 u8 version;
4975                 pos += 5;
4976                 if (hexstr2bin(pos, &version, 1) < 0)
4977                         return -1;
4978                 pos += 2;
4979                 if (*pos != ' ')
4980                         return -1;
4981                 pos++;
4982                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
4983 #ifdef CONFIG_WIFI_DISPLAY
4984         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
4985                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
4986 #endif /* CONFIG_WIFI_DISPLAY */
4987         } else if (os_strncmp(pos, "asp ", 4) == 0) {
4988                 char *svc_str;
4989                 char *svc_info = NULL;
4990                 u32 id;
4991
4992                 pos += 4;
4993                 if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
4994                         return -1;
4995
4996                 pos = os_strchr(pos, ' ');
4997                 if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
4998                         return -1;
4999
5000                 svc_str = pos + 1;
5001
5002                 pos = os_strchr(svc_str, ' ');
5003
5004                 if (pos)
5005                         *pos++ = '\0';
5006
5007                 /* All remaining data is the svc_info string */
5008                 if (pos && pos[0] && pos[0] != ' ') {
5009                         len = os_strlen(pos);
5010
5011                         /* Unescape in place */
5012                         len = utf8_unescape(pos, len, pos, len);
5013                         if (len > 0xff)
5014                                 return -1;
5015
5016                         svc_info = pos;
5017                 }
5018
5019                 ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
5020                                               svc_str, svc_info);
5021         } else {
5022                 len = os_strlen(pos);
5023                 if (len & 1)
5024                         return -1;
5025                 len /= 2;
5026                 tlvs = wpabuf_alloc(len);
5027                 if (tlvs == NULL)
5028                         return -1;
5029                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
5030                         wpabuf_free(tlvs);
5031                         return -1;
5032                 }
5033
5034                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
5035                 wpabuf_free(tlvs);
5036         }
5037         if (ref == 0)
5038                 return -1;
5039         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
5040         if (os_snprintf_error(buflen, res))
5041                 return -1;
5042         return res;
5043 }
5044
5045
5046 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
5047                                          char *cmd)
5048 {
5049         long long unsigned val;
5050         u64 req;
5051         if (sscanf(cmd, "%llx", &val) != 1)
5052                 return -1;
5053         req = val;
5054         return wpas_p2p_sd_cancel_request(wpa_s, req);
5055 }
5056
5057
5058 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
5059 {
5060         int freq;
5061         u8 dst[ETH_ALEN];
5062         u8 dialog_token;
5063         struct wpabuf *resp_tlvs;
5064         char *pos, *pos2;
5065         size_t len;
5066
5067         pos = os_strchr(cmd, ' ');
5068         if (pos == NULL)
5069                 return -1;
5070         *pos++ = '\0';
5071         freq = atoi(cmd);
5072         if (freq == 0)
5073                 return -1;
5074
5075         if (hwaddr_aton(pos, dst))
5076                 return -1;
5077         pos += 17;
5078         if (*pos != ' ')
5079                 return -1;
5080         pos++;
5081
5082         pos2 = os_strchr(pos, ' ');
5083         if (pos2 == NULL)
5084                 return -1;
5085         *pos2++ = '\0';
5086         dialog_token = atoi(pos);
5087
5088         len = os_strlen(pos2);
5089         if (len & 1)
5090                 return -1;
5091         len /= 2;
5092         resp_tlvs = wpabuf_alloc(len);
5093         if (resp_tlvs == NULL)
5094                 return -1;
5095         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
5096                 wpabuf_free(resp_tlvs);
5097                 return -1;
5098         }
5099
5100         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
5101         wpabuf_free(resp_tlvs);
5102         return 0;
5103 }
5104
5105
5106 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
5107                                        char *cmd)
5108 {
5109         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
5110                 return -1;
5111         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
5112         return 0;
5113 }
5114
5115
5116 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
5117                                         char *cmd)
5118 {
5119         char *pos;
5120         size_t len;
5121         struct wpabuf *query, *resp;
5122
5123         pos = os_strchr(cmd, ' ');
5124         if (pos == NULL)
5125                 return -1;
5126         *pos++ = '\0';
5127
5128         len = os_strlen(cmd);
5129         if (len & 1)
5130                 return -1;
5131         len /= 2;
5132         query = wpabuf_alloc(len);
5133         if (query == NULL)
5134                 return -1;
5135         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5136                 wpabuf_free(query);
5137                 return -1;
5138         }
5139
5140         len = os_strlen(pos);
5141         if (len & 1) {
5142                 wpabuf_free(query);
5143                 return -1;
5144         }
5145         len /= 2;
5146         resp = wpabuf_alloc(len);
5147         if (resp == NULL) {
5148                 wpabuf_free(query);
5149                 return -1;
5150         }
5151         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
5152                 wpabuf_free(query);
5153                 wpabuf_free(resp);
5154                 return -1;
5155         }
5156
5157         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
5158                 wpabuf_free(query);
5159                 wpabuf_free(resp);
5160                 return -1;
5161         }
5162         return 0;
5163 }
5164
5165
5166 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5167 {
5168         char *pos;
5169         u8 version;
5170
5171         pos = os_strchr(cmd, ' ');
5172         if (pos == NULL)
5173                 return -1;
5174         *pos++ = '\0';
5175
5176         if (hexstr2bin(cmd, &version, 1) < 0)
5177                 return -1;
5178
5179         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
5180 }
5181
5182
5183 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
5184                                     u8 replace, char *cmd)
5185 {
5186         char *pos;
5187         char *adv_str;
5188         u32 auto_accept, adv_id, svc_state, config_methods;
5189         char *svc_info = NULL;
5190
5191         pos = os_strchr(cmd, ' ');
5192         if (pos == NULL)
5193                 return -1;
5194         *pos++ = '\0';
5195
5196         /* Auto-Accept value is mandatory, and must be one of the
5197          * single values (0, 1, 2, 4) */
5198         auto_accept = atoi(cmd);
5199         switch (auto_accept) {
5200         case P2PS_SETUP_NONE: /* No auto-accept */
5201         case P2PS_SETUP_NEW:
5202         case P2PS_SETUP_CLIENT:
5203         case P2PS_SETUP_GROUP_OWNER:
5204                 break;
5205         default:
5206                 return -1;
5207         }
5208
5209         /* Advertisement ID is mandatory */
5210         cmd = pos;
5211         pos = os_strchr(cmd, ' ');
5212         if (pos == NULL)
5213                 return -1;
5214         *pos++ = '\0';
5215
5216         /* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
5217         if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
5218                 return -1;
5219
5220         /* Only allow replacements if exist, and adds if not */
5221         if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
5222                 if (!replace)
5223                         return -1;
5224         } else {
5225                 if (replace)
5226                         return -1;
5227         }
5228
5229         /* svc_state between 0 - 0xff is mandatory */
5230         if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
5231                 return -1;
5232
5233         pos = os_strchr(pos, ' ');
5234         if (pos == NULL)
5235                 return -1;
5236
5237         /* config_methods is mandatory */
5238         pos++;
5239         if (sscanf(pos, "%x", &config_methods) != 1)
5240                 return -1;
5241
5242         if (!(config_methods &
5243               (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
5244                 return -1;
5245
5246         pos = os_strchr(pos, ' ');
5247         if (pos == NULL)
5248                 return -1;
5249
5250         pos++;
5251         adv_str = pos;
5252
5253         /* Advertisement string is mandatory */
5254         if (!pos[0] || pos[0] == ' ')
5255                 return -1;
5256
5257         /* Terminate svc string */
5258         pos = os_strchr(pos, ' ');
5259         if (pos != NULL)
5260                 *pos++ = '\0';
5261
5262         /* Service and Response Information are optional */
5263         if (pos && pos[0]) {
5264                 size_t len;
5265
5266                 /* Note the bare ' included, which cannot exist legally
5267                  * in unescaped string. */
5268                 svc_info = os_strstr(pos, "svc_info='");
5269
5270                 if (svc_info) {
5271                         svc_info += 9;
5272                         len = os_strlen(svc_info);
5273                         utf8_unescape(svc_info, len, svc_info, len);
5274                 }
5275         }
5276
5277         return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
5278                                         (u8) svc_state, (u16) config_methods,
5279                                         svc_info);
5280 }
5281
5282
5283 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
5284 {
5285         char *pos;
5286
5287         pos = os_strchr(cmd, ' ');
5288         if (pos == NULL)
5289                 return -1;
5290         *pos++ = '\0';
5291
5292         if (os_strcmp(cmd, "bonjour") == 0)
5293                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
5294         if (os_strcmp(cmd, "upnp") == 0)
5295                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
5296         if (os_strcmp(cmd, "asp") == 0)
5297                 return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
5298         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5299         return -1;
5300 }
5301
5302
5303 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
5304                                         char *cmd)
5305 {
5306         size_t len;
5307         struct wpabuf *query;
5308         int ret;
5309
5310         len = os_strlen(cmd);
5311         if (len & 1)
5312                 return -1;
5313         len /= 2;
5314         query = wpabuf_alloc(len);
5315         if (query == NULL)
5316                 return -1;
5317         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5318                 wpabuf_free(query);
5319                 return -1;
5320         }
5321
5322         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
5323         wpabuf_free(query);
5324         return ret;
5325 }
5326
5327
5328 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5329 {
5330         char *pos;
5331         u8 version;
5332
5333         pos = os_strchr(cmd, ' ');
5334         if (pos == NULL)
5335                 return -1;
5336         *pos++ = '\0';
5337
5338         if (hexstr2bin(cmd, &version, 1) < 0)
5339                 return -1;
5340
5341         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
5342 }
5343
5344
5345 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
5346 {
5347         u32 adv_id;
5348
5349         if (os_strcmp(cmd, "all") == 0) {
5350                 wpas_p2p_service_flush_asp(wpa_s);
5351                 return 0;
5352         }
5353
5354         if (sscanf(cmd, "%x", &adv_id) != 1)
5355                 return -1;
5356
5357         return wpas_p2p_service_del_asp(wpa_s, adv_id);
5358 }
5359
5360
5361 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
5362 {
5363         char *pos;
5364
5365         pos = os_strchr(cmd, ' ');
5366         if (pos == NULL)
5367                 return -1;
5368         *pos++ = '\0';
5369
5370         if (os_strcmp(cmd, "bonjour") == 0)
5371                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
5372         if (os_strcmp(cmd, "upnp") == 0)
5373                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
5374         if (os_strcmp(cmd, "asp") == 0)
5375                 return p2p_ctrl_service_del_asp(wpa_s, pos);
5376         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5377         return -1;
5378 }
5379
5380
5381 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
5382 {
5383         char *pos;
5384
5385         pos = os_strchr(cmd, ' ');
5386         if (pos == NULL)
5387                 return -1;
5388         *pos++ = '\0';
5389
5390         if (os_strcmp(cmd, "asp") == 0)
5391                 return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
5392
5393         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5394         return -1;
5395 }
5396
5397
5398 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
5399 {
5400         u8 addr[ETH_ALEN];
5401
5402         /* <addr> */
5403
5404         if (hwaddr_aton(cmd, addr))
5405                 return -1;
5406
5407         return wpas_p2p_reject(wpa_s, addr);
5408 }
5409
5410
5411 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
5412 {
5413         char *pos;
5414         int id;
5415         struct wpa_ssid *ssid;
5416         u8 *_peer = NULL, peer[ETH_ALEN];
5417         int freq = 0, pref_freq = 0;
5418         int ht40, vht;
5419
5420         id = atoi(cmd);
5421         pos = os_strstr(cmd, " peer=");
5422         if (pos) {
5423                 pos += 6;
5424                 if (hwaddr_aton(pos, peer))
5425                         return -1;
5426                 _peer = peer;
5427         }
5428         ssid = wpa_config_get_network(wpa_s->conf, id);
5429         if (ssid == NULL || ssid->disabled != 2) {
5430                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5431                            "for persistent P2P group",
5432                            id);
5433                 return -1;
5434         }
5435
5436         pos = os_strstr(cmd, " freq=");
5437         if (pos) {
5438                 pos += 6;
5439                 freq = atoi(pos);
5440                 if (freq <= 0)
5441                         return -1;
5442         }
5443
5444         pos = os_strstr(cmd, " pref=");
5445         if (pos) {
5446                 pos += 6;
5447                 pref_freq = atoi(pos);
5448                 if (pref_freq <= 0)
5449                         return -1;
5450         }
5451
5452         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5453         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5454                 vht;
5455
5456         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
5457                                pref_freq);
5458 }
5459
5460
5461 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
5462 {
5463         char *pos;
5464         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
5465
5466         pos = os_strstr(cmd, " peer=");
5467         if (!pos)
5468                 return -1;
5469
5470         *pos = '\0';
5471         pos += 6;
5472         if (hwaddr_aton(pos, peer)) {
5473                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
5474                 return -1;
5475         }
5476
5477         pos = os_strstr(pos, " go_dev_addr=");
5478         if (pos) {
5479                 pos += 13;
5480                 if (hwaddr_aton(pos, go_dev_addr)) {
5481                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
5482                                    pos);
5483                         return -1;
5484                 }
5485                 go_dev = go_dev_addr;
5486         }
5487
5488         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
5489 }
5490
5491
5492 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
5493 {
5494         if (os_strncmp(cmd, "persistent=", 11) == 0)
5495                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
5496         if (os_strncmp(cmd, "group=", 6) == 0)
5497                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
5498
5499         return -1;
5500 }
5501
5502
5503 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
5504                                          char *cmd, int freq, int ht40,
5505                                          int vht)
5506 {
5507         int id;
5508         struct wpa_ssid *ssid;
5509
5510         id = atoi(cmd);
5511         ssid = wpa_config_get_network(wpa_s->conf, id);
5512         if (ssid == NULL || ssid->disabled != 2) {
5513                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5514                            "for persistent P2P group",
5515                            id);
5516                 return -1;
5517         }
5518
5519         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
5520                                              NULL, 0);
5521 }
5522
5523
5524 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
5525 {
5526         int freq = 0, persistent_group = 0, ht40, vht;
5527         char *pos;
5528
5529         pos = os_strstr(cmd, "freq=");
5530         if (pos)
5531                 freq = atoi(pos + 5);
5532
5533         vht = (os_strstr(cmd, "vht") != NULL) || wpa_s->conf->p2p_go_vht;
5534         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5535                 vht;
5536
5537         if (os_strncmp(cmd, "persistent=", 11) == 0)
5538                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
5539                                                      ht40, vht);
5540         if (os_strcmp(cmd, "persistent") == 0 ||
5541             os_strncmp(cmd, "persistent ", 11) == 0)
5542                 persistent_group = 1;
5543
5544         if (!persistent_group && !freq && !ht40) {
5545                 wpa_printf(MSG_DEBUG,
5546                            "CTRL: Invalid P2P_GROUP_ADD parameters '%s'", cmd);
5547                 return -1;
5548         }
5549
5550         return wpas_p2p_group_add(wpa_s, persistent_group, freq, ht40, vht);
5551 }
5552
5553
5554 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
5555                          char *buf, size_t buflen)
5556 {
5557         u8 addr[ETH_ALEN], *addr_ptr;
5558         int next, res;
5559         const struct p2p_peer_info *info;
5560         char *pos, *end;
5561         char devtype[WPS_DEV_TYPE_BUFSIZE];
5562         struct wpa_ssid *ssid;
5563         size_t i;
5564
5565         if (!wpa_s->global->p2p)
5566                 return -1;
5567
5568         if (os_strcmp(cmd, "FIRST") == 0) {
5569                 addr_ptr = NULL;
5570                 next = 0;
5571         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5572                 if (hwaddr_aton(cmd + 5, addr) < 0)
5573                         return -1;
5574                 addr_ptr = addr;
5575                 next = 1;
5576         } else {
5577                 if (hwaddr_aton(cmd, addr) < 0)
5578                         return -1;
5579                 addr_ptr = addr;
5580                 next = 0;
5581         }
5582
5583         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
5584         if (info == NULL)
5585                 return -1;
5586
5587         pos = buf;
5588         end = buf + buflen;
5589
5590         res = os_snprintf(pos, end - pos, MACSTR "\n"
5591                           "pri_dev_type=%s\n"
5592                           "device_name=%s\n"
5593                           "manufacturer=%s\n"
5594                           "model_name=%s\n"
5595                           "model_number=%s\n"
5596                           "serial_number=%s\n"
5597                           "config_methods=0x%x\n"
5598                           "dev_capab=0x%x\n"
5599                           "group_capab=0x%x\n"
5600                           "level=%d\n",
5601                           MAC2STR(info->p2p_device_addr),
5602                           wps_dev_type_bin2str(info->pri_dev_type,
5603                                                devtype, sizeof(devtype)),
5604                           info->device_name,
5605                           info->manufacturer,
5606                           info->model_name,
5607                           info->model_number,
5608                           info->serial_number,
5609                           info->config_methods,
5610                           info->dev_capab,
5611                           info->group_capab,
5612                           info->level);
5613         if (os_snprintf_error(end - pos, res))
5614                 return pos - buf;
5615         pos += res;
5616
5617         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
5618         {
5619                 const u8 *t;
5620                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
5621                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
5622                                   wps_dev_type_bin2str(t, devtype,
5623                                                        sizeof(devtype)));
5624                 if (os_snprintf_error(end - pos, res))
5625                         return pos - buf;
5626                 pos += res;
5627         }
5628
5629         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
5630         if (ssid) {
5631                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
5632                 if (os_snprintf_error(end - pos, res))
5633                         return pos - buf;
5634                 pos += res;
5635         }
5636
5637         res = p2p_get_peer_info_txt(info, pos, end - pos);
5638         if (res < 0)
5639                 return pos - buf;
5640         pos += res;
5641
5642         if (info->vendor_elems) {
5643                 res = os_snprintf(pos, end - pos, "vendor_elems=");
5644                 if (os_snprintf_error(end - pos, res))
5645                         return pos - buf;
5646                 pos += res;
5647
5648                 pos += wpa_snprintf_hex(pos, end - pos,
5649                                         wpabuf_head(info->vendor_elems),
5650                                         wpabuf_len(info->vendor_elems));
5651
5652                 res = os_snprintf(pos, end - pos, "\n");
5653                 if (os_snprintf_error(end - pos, res))
5654                         return pos - buf;
5655                 pos += res;
5656         }
5657
5658         return pos - buf;
5659 }
5660
5661
5662 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
5663                                   const char *param)
5664 {
5665         unsigned int i;
5666
5667         if (wpa_s->global->p2p == NULL)
5668                 return -1;
5669
5670         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
5671                 return -1;
5672
5673         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
5674                 struct wpa_freq_range *freq;
5675                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
5676                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
5677                            freq->min, freq->max);
5678         }
5679
5680         wpas_p2p_update_channel_list(wpa_s);
5681         return 0;
5682 }
5683
5684
5685 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
5686 {
5687         char *param;
5688
5689         if (wpa_s->global->p2p == NULL)
5690                 return -1;
5691
5692         param = os_strchr(cmd, ' ');
5693         if (param == NULL)
5694                 return -1;
5695         *param++ = '\0';
5696
5697         if (os_strcmp(cmd, "discoverability") == 0) {
5698                 p2p_set_client_discoverability(wpa_s->global->p2p,
5699                                                atoi(param));
5700                 return 0;
5701         }
5702
5703         if (os_strcmp(cmd, "managed") == 0) {
5704                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5705                 return 0;
5706         }
5707
5708         if (os_strcmp(cmd, "listen_channel") == 0) {
5709                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
5710                                               atoi(param), 1);
5711         }
5712
5713         if (os_strcmp(cmd, "ssid_postfix") == 0) {
5714                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
5715                                             os_strlen(param));
5716         }
5717
5718         if (os_strcmp(cmd, "noa") == 0) {
5719                 char *pos;
5720                 int count, start, duration;
5721                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
5722                 count = atoi(param);
5723                 pos = os_strchr(param, ',');
5724                 if (pos == NULL)
5725                         return -1;
5726                 pos++;
5727                 start = atoi(pos);
5728                 pos = os_strchr(pos, ',');
5729                 if (pos == NULL)
5730                         return -1;
5731                 pos++;
5732                 duration = atoi(pos);
5733                 if (count < 0 || count > 255 || start < 0 || duration < 0)
5734                         return -1;
5735                 if (count == 0 && duration > 0)
5736                         return -1;
5737                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
5738                            "start=%d duration=%d", count, start, duration);
5739                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
5740         }
5741
5742         if (os_strcmp(cmd, "ps") == 0)
5743                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
5744
5745         if (os_strcmp(cmd, "oppps") == 0)
5746                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
5747
5748         if (os_strcmp(cmd, "ctwindow") == 0)
5749                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
5750
5751         if (os_strcmp(cmd, "disabled") == 0) {
5752                 wpa_s->global->p2p_disabled = atoi(param);
5753                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
5754                            wpa_s->global->p2p_disabled ?
5755                            "disabled" : "enabled");
5756                 if (wpa_s->global->p2p_disabled) {
5757                         wpas_p2p_stop_find(wpa_s);
5758                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5759                         p2p_flush(wpa_s->global->p2p);
5760                 }
5761                 return 0;
5762         }
5763
5764         if (os_strcmp(cmd, "conc_pref") == 0) {
5765                 if (os_strcmp(param, "sta") == 0)
5766                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
5767                 else if (os_strcmp(param, "p2p") == 0)
5768                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
5769                 else {
5770                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
5771                         return -1;
5772                 }
5773                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
5774                            "%s", param);
5775                 return 0;
5776         }
5777
5778         if (os_strcmp(cmd, "force_long_sd") == 0) {
5779                 wpa_s->force_long_sd = atoi(param);
5780                 return 0;
5781         }
5782
5783         if (os_strcmp(cmd, "peer_filter") == 0) {
5784                 u8 addr[ETH_ALEN];
5785                 if (hwaddr_aton(param, addr))
5786                         return -1;
5787                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
5788                 return 0;
5789         }
5790
5791         if (os_strcmp(cmd, "cross_connect") == 0)
5792                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
5793
5794         if (os_strcmp(cmd, "go_apsd") == 0) {
5795                 if (os_strcmp(param, "disable") == 0)
5796                         wpa_s->set_ap_uapsd = 0;
5797                 else {
5798                         wpa_s->set_ap_uapsd = 1;
5799                         wpa_s->ap_uapsd = atoi(param);
5800                 }
5801                 return 0;
5802         }
5803
5804         if (os_strcmp(cmd, "client_apsd") == 0) {
5805                 if (os_strcmp(param, "disable") == 0)
5806                         wpa_s->set_sta_uapsd = 0;
5807                 else {
5808                         int be, bk, vi, vo;
5809                         char *pos;
5810                         /* format: BE,BK,VI,VO;max SP Length */
5811                         be = atoi(param);
5812                         pos = os_strchr(param, ',');
5813                         if (pos == NULL)
5814                                 return -1;
5815                         pos++;
5816                         bk = atoi(pos);
5817                         pos = os_strchr(pos, ',');
5818                         if (pos == NULL)
5819                                 return -1;
5820                         pos++;
5821                         vi = atoi(pos);
5822                         pos = os_strchr(pos, ',');
5823                         if (pos == NULL)
5824                                 return -1;
5825                         pos++;
5826                         vo = atoi(pos);
5827                         /* ignore max SP Length for now */
5828
5829                         wpa_s->set_sta_uapsd = 1;
5830                         wpa_s->sta_uapsd = 0;
5831                         if (be)
5832                                 wpa_s->sta_uapsd |= BIT(0);
5833                         if (bk)
5834                                 wpa_s->sta_uapsd |= BIT(1);
5835                         if (vi)
5836                                 wpa_s->sta_uapsd |= BIT(2);
5837                         if (vo)
5838                                 wpa_s->sta_uapsd |= BIT(3);
5839                 }
5840                 return 0;
5841         }
5842
5843         if (os_strcmp(cmd, "disallow_freq") == 0)
5844                 return p2p_ctrl_disallow_freq(wpa_s, param);
5845
5846         if (os_strcmp(cmd, "disc_int") == 0) {
5847                 int min_disc_int, max_disc_int, max_disc_tu;
5848                 char *pos;
5849
5850                 pos = param;
5851
5852                 min_disc_int = atoi(pos);
5853                 pos = os_strchr(pos, ' ');
5854                 if (pos == NULL)
5855                         return -1;
5856                 *pos++ = '\0';
5857
5858                 max_disc_int = atoi(pos);
5859                 pos = os_strchr(pos, ' ');
5860                 if (pos == NULL)
5861                         return -1;
5862                 *pos++ = '\0';
5863
5864                 max_disc_tu = atoi(pos);
5865
5866                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
5867                                         max_disc_int, max_disc_tu);
5868         }
5869
5870         if (os_strcmp(cmd, "per_sta_psk") == 0) {
5871                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
5872                 return 0;
5873         }
5874
5875 #ifdef CONFIG_WPS_NFC
5876         if (os_strcmp(cmd, "nfc_tag") == 0)
5877                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
5878 #endif /* CONFIG_WPS_NFC */
5879
5880         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
5881                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
5882                 return 0;
5883         }
5884
5885         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
5886                    cmd);
5887
5888         return -1;
5889 }
5890
5891
5892 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
5893 {
5894         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5895         wpa_s->force_long_sd = 0;
5896         wpas_p2p_stop_find(wpa_s);
5897         if (wpa_s->global->p2p)
5898                 p2p_flush(wpa_s->global->p2p);
5899 }
5900
5901
5902 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
5903 {
5904         char *pos, *pos2;
5905         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
5906
5907         if (cmd[0]) {
5908                 pos = os_strchr(cmd, ' ');
5909                 if (pos == NULL)
5910                         return -1;
5911                 *pos++ = '\0';
5912                 dur1 = atoi(cmd);
5913
5914                 pos2 = os_strchr(pos, ' ');
5915                 if (pos2)
5916                         *pos2++ = '\0';
5917                 int1 = atoi(pos);
5918         } else
5919                 pos2 = NULL;
5920
5921         if (pos2) {
5922                 pos = os_strchr(pos2, ' ');
5923                 if (pos == NULL)
5924                         return -1;
5925                 *pos++ = '\0';
5926                 dur2 = atoi(pos2);
5927                 int2 = atoi(pos);
5928         }
5929
5930         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
5931 }
5932
5933
5934 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
5935 {
5936         char *pos;
5937         unsigned int period = 0, interval = 0;
5938
5939         if (cmd[0]) {
5940                 pos = os_strchr(cmd, ' ');
5941                 if (pos == NULL)
5942                         return -1;
5943                 *pos++ = '\0';
5944                 period = atoi(cmd);
5945                 interval = atoi(pos);
5946         }
5947
5948         return wpas_p2p_ext_listen(wpa_s, period, interval);
5949 }
5950
5951
5952 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
5953 {
5954         const char *pos;
5955         u8 peer[ETH_ALEN];
5956         int iface_addr = 0;
5957
5958         pos = cmd;
5959         if (os_strncmp(pos, "iface=", 6) == 0) {
5960                 iface_addr = 1;
5961                 pos += 6;
5962         }
5963         if (hwaddr_aton(pos, peer))
5964                 return -1;
5965
5966         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
5967         return 0;
5968 }
5969
5970 #endif /* CONFIG_P2P */
5971
5972
5973 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
5974 {
5975         struct wpa_freq_range_list ranges;
5976         int *freqs = NULL;
5977         struct hostapd_hw_modes *mode;
5978         u16 i;
5979
5980         if (wpa_s->hw.modes == NULL)
5981                 return NULL;
5982
5983         os_memset(&ranges, 0, sizeof(ranges));
5984         if (freq_range_list_parse(&ranges, val) < 0)
5985                 return NULL;
5986
5987         for (i = 0; i < wpa_s->hw.num_modes; i++) {
5988                 int j;
5989
5990                 mode = &wpa_s->hw.modes[i];
5991                 for (j = 0; j < mode->num_channels; j++) {
5992                         unsigned int freq;
5993
5994                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
5995                                 continue;
5996
5997                         freq = mode->channels[j].freq;
5998                         if (!freq_range_list_includes(&ranges, freq))
5999                                 continue;
6000
6001                         int_array_add_unique(&freqs, freq);
6002                 }
6003         }
6004
6005         os_free(ranges.range);
6006         return freqs;
6007 }
6008
6009
6010 #ifdef CONFIG_INTERWORKING
6011
6012 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
6013 {
6014         int auto_sel = 0;
6015         int *freqs = NULL;
6016
6017         if (param) {
6018                 char *pos;
6019
6020                 auto_sel = os_strstr(param, "auto") != NULL;
6021
6022                 pos = os_strstr(param, "freq=");
6023                 if (pos) {
6024                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
6025                         if (freqs == NULL)
6026                                 return -1;
6027                 }
6028
6029         }
6030
6031         return interworking_select(wpa_s, auto_sel, freqs);
6032 }
6033
6034
6035 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
6036                                      int only_add)
6037 {
6038         u8 bssid[ETH_ALEN];
6039         struct wpa_bss *bss;
6040
6041         if (hwaddr_aton(dst, bssid)) {
6042                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
6043                 return -1;
6044         }
6045
6046         bss = wpa_bss_get_bssid(wpa_s, bssid);
6047         if (bss == NULL) {
6048                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
6049                            MAC2STR(bssid));
6050                 return -1;
6051         }
6052
6053         if (bss->ssid_len == 0) {
6054                 int found = 0;
6055
6056                 wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
6057                            " does not have SSID information", MAC2STR(bssid));
6058
6059                 dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
6060                                          list) {
6061                         if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
6062                             bss->ssid_len > 0) {
6063                                 found = 1;
6064                                 break;
6065                         }
6066                 }
6067
6068                 if (!found)
6069                         return -1;
6070                 wpa_printf(MSG_DEBUG,
6071                            "Found another matching BSS entry with SSID");
6072         }
6073
6074         return interworking_connect(wpa_s, bss, only_add);
6075 }
6076
6077
6078 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
6079 {
6080         u8 dst_addr[ETH_ALEN];
6081         int used;
6082         char *pos;
6083 #define MAX_ANQP_INFO_ID 100
6084         u16 id[MAX_ANQP_INFO_ID];
6085         size_t num_id = 0;
6086         u32 subtypes = 0;
6087
6088         used = hwaddr_aton2(dst, dst_addr);
6089         if (used < 0)
6090                 return -1;
6091         pos = dst + used;
6092         if (*pos == ' ')
6093                 pos++;
6094         while (num_id < MAX_ANQP_INFO_ID) {
6095                 if (os_strncmp(pos, "hs20:", 5) == 0) {
6096 #ifdef CONFIG_HS20
6097                         int num = atoi(pos + 5);
6098                         if (num <= 0 || num > 31)
6099                                 return -1;
6100                         subtypes |= BIT(num);
6101 #else /* CONFIG_HS20 */
6102                         return -1;
6103 #endif /* CONFIG_HS20 */
6104                 } else {
6105                         id[num_id] = atoi(pos);
6106                         if (id[num_id])
6107                                 num_id++;
6108                 }
6109                 pos = os_strchr(pos + 1, ',');
6110                 if (pos == NULL)
6111                         break;
6112                 pos++;
6113         }
6114
6115         if (num_id == 0)
6116                 return -1;
6117
6118         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
6119 }
6120
6121
6122 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
6123 {
6124         u8 dst_addr[ETH_ALEN];
6125         struct wpabuf *advproto, *query = NULL;
6126         int used, ret = -1;
6127         char *pos, *end;
6128         size_t len;
6129
6130         used = hwaddr_aton2(cmd, dst_addr);
6131         if (used < 0)
6132                 return -1;
6133
6134         pos = cmd + used;
6135         while (*pos == ' ')
6136                 pos++;
6137
6138         /* Advertisement Protocol ID */
6139         end = os_strchr(pos, ' ');
6140         if (end)
6141                 len = end - pos;
6142         else
6143                 len = os_strlen(pos);
6144         if (len & 0x01)
6145                 return -1;
6146         len /= 2;
6147         if (len == 0)
6148                 return -1;
6149         advproto = wpabuf_alloc(len);
6150         if (advproto == NULL)
6151                 return -1;
6152         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
6153                 goto fail;
6154
6155         if (end) {
6156                 /* Optional Query Request */
6157                 pos = end + 1;
6158                 while (*pos == ' ')
6159                         pos++;
6160
6161                 len = os_strlen(pos);
6162                 if (len) {
6163                         if (len & 0x01)
6164                                 goto fail;
6165                         len /= 2;
6166                         if (len == 0)
6167                                 goto fail;
6168                         query = wpabuf_alloc(len);
6169                         if (query == NULL)
6170                                 goto fail;
6171                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
6172                                 goto fail;
6173                 }
6174         }
6175
6176         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
6177
6178 fail:
6179         wpabuf_free(advproto);
6180         wpabuf_free(query);
6181
6182         return ret;
6183 }
6184
6185
6186 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
6187                             size_t buflen)
6188 {
6189         u8 addr[ETH_ALEN];
6190         int dialog_token;
6191         int used;
6192         char *pos;
6193         size_t resp_len, start, requested_len;
6194         struct wpabuf *resp;
6195         int ret;
6196
6197         used = hwaddr_aton2(cmd, addr);
6198         if (used < 0)
6199                 return -1;
6200
6201         pos = cmd + used;
6202         while (*pos == ' ')
6203                 pos++;
6204         dialog_token = atoi(pos);
6205
6206         if (wpa_s->last_gas_resp &&
6207             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
6208             dialog_token == wpa_s->last_gas_dialog_token)
6209                 resp = wpa_s->last_gas_resp;
6210         else if (wpa_s->prev_gas_resp &&
6211                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
6212                  dialog_token == wpa_s->prev_gas_dialog_token)
6213                 resp = wpa_s->prev_gas_resp;
6214         else
6215                 return -1;
6216
6217         resp_len = wpabuf_len(resp);
6218         start = 0;
6219         requested_len = resp_len;
6220
6221         pos = os_strchr(pos, ' ');
6222         if (pos) {
6223                 start = atoi(pos);
6224                 if (start > resp_len)
6225                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6226                 pos = os_strchr(pos, ',');
6227                 if (pos == NULL)
6228                         return -1;
6229                 pos++;
6230                 requested_len = atoi(pos);
6231                 if (start + requested_len > resp_len)
6232                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6233         }
6234
6235         if (requested_len * 2 + 1 > buflen)
6236                 return os_snprintf(buf, buflen, "FAIL-Too long response");
6237
6238         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
6239                                requested_len);
6240
6241         if (start + requested_len == resp_len) {
6242                 /*
6243                  * Free memory by dropping the response after it has been
6244                  * fetched.
6245                  */
6246                 if (resp == wpa_s->prev_gas_resp) {
6247                         wpabuf_free(wpa_s->prev_gas_resp);
6248                         wpa_s->prev_gas_resp = NULL;
6249                 } else {
6250                         wpabuf_free(wpa_s->last_gas_resp);
6251                         wpa_s->last_gas_resp = NULL;
6252                 }
6253         }
6254
6255         return ret;
6256 }
6257 #endif /* CONFIG_INTERWORKING */
6258
6259
6260 #ifdef CONFIG_HS20
6261
6262 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
6263 {
6264         u8 dst_addr[ETH_ALEN];
6265         int used;
6266         char *pos;
6267         u32 subtypes = 0;
6268
6269         used = hwaddr_aton2(dst, dst_addr);
6270         if (used < 0)
6271                 return -1;
6272         pos = dst + used;
6273         if (*pos == ' ')
6274                 pos++;
6275         for (;;) {
6276                 int num = atoi(pos);
6277                 if (num <= 0 || num > 31)
6278                         return -1;
6279                 subtypes |= BIT(num);
6280                 pos = os_strchr(pos + 1, ',');
6281                 if (pos == NULL)
6282                         break;
6283                 pos++;
6284         }
6285
6286         if (subtypes == 0)
6287                 return -1;
6288
6289         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
6290 }
6291
6292
6293 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6294                                     const u8 *addr, const char *realm)
6295 {
6296         u8 *buf;
6297         size_t rlen, len;
6298         int ret;
6299
6300         rlen = os_strlen(realm);
6301         len = 3 + rlen;
6302         buf = os_malloc(len);
6303         if (buf == NULL)
6304                 return -1;
6305         buf[0] = 1; /* NAI Home Realm Count */
6306         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
6307         buf[2] = rlen;
6308         os_memcpy(buf + 3, realm, rlen);
6309
6310         ret = hs20_anqp_send_req(wpa_s, addr,
6311                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6312                                  buf, len);
6313
6314         os_free(buf);
6315
6316         return ret;
6317 }
6318
6319
6320 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6321                                         char *dst)
6322 {
6323         struct wpa_cred *cred = wpa_s->conf->cred;
6324         u8 dst_addr[ETH_ALEN];
6325         int used;
6326         u8 *buf;
6327         size_t len;
6328         int ret;
6329
6330         used = hwaddr_aton2(dst, dst_addr);
6331         if (used < 0)
6332                 return -1;
6333
6334         while (dst[used] == ' ')
6335                 used++;
6336         if (os_strncmp(dst + used, "realm=", 6) == 0)
6337                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
6338                                                 dst + used + 6);
6339
6340         len = os_strlen(dst + used);
6341
6342         if (len == 0 && cred && cred->realm)
6343                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
6344
6345         if (len & 1)
6346                 return -1;
6347         len /= 2;
6348         buf = os_malloc(len);
6349         if (buf == NULL)
6350                 return -1;
6351         if (hexstr2bin(dst + used, buf, len) < 0) {
6352                 os_free(buf);
6353                 return -1;
6354         }
6355
6356         ret = hs20_anqp_send_req(wpa_s, dst_addr,
6357                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6358                                  buf, len);
6359         os_free(buf);
6360
6361         return ret;
6362 }
6363
6364
6365 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
6366 {
6367         u8 dst_addr[ETH_ALEN];
6368         int used;
6369         char *icon;
6370
6371         used = hwaddr_aton2(cmd, dst_addr);
6372         if (used < 0)
6373                 return -1;
6374
6375         while (cmd[used] == ' ')
6376                 used++;
6377         icon = &cmd[used];
6378
6379         wpa_s->fetch_osu_icon_in_progress = 0;
6380         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
6381                                   (u8 *) icon, os_strlen(icon));
6382 }
6383
6384 #endif /* CONFIG_HS20 */
6385
6386
6387 #ifdef CONFIG_AUTOSCAN
6388
6389 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
6390                                               char *cmd)
6391 {
6392         enum wpa_states state = wpa_s->wpa_state;
6393         char *new_params = NULL;
6394
6395         if (os_strlen(cmd) > 0) {
6396                 new_params = os_strdup(cmd);
6397                 if (new_params == NULL)
6398                         return -1;
6399         }
6400
6401         os_free(wpa_s->conf->autoscan);
6402         wpa_s->conf->autoscan = new_params;
6403
6404         if (wpa_s->conf->autoscan == NULL)
6405                 autoscan_deinit(wpa_s);
6406         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
6407                 autoscan_init(wpa_s, 1);
6408         else if (state == WPA_SCANNING)
6409                 wpa_supplicant_reinit_autoscan(wpa_s);
6410
6411         return 0;
6412 }
6413
6414 #endif /* CONFIG_AUTOSCAN */
6415
6416
6417 #ifdef CONFIG_WNM
6418
6419 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
6420 {
6421         int enter;
6422         int intval = 0;
6423         char *pos;
6424         int ret;
6425         struct wpabuf *tfs_req = NULL;
6426
6427         if (os_strncmp(cmd, "enter", 5) == 0)
6428                 enter = 1;
6429         else if (os_strncmp(cmd, "exit", 4) == 0)
6430                 enter = 0;
6431         else
6432                 return -1;
6433
6434         pos = os_strstr(cmd, " interval=");
6435         if (pos)
6436                 intval = atoi(pos + 10);
6437
6438         pos = os_strstr(cmd, " tfs_req=");
6439         if (pos) {
6440                 char *end;
6441                 size_t len;
6442                 pos += 9;
6443                 end = os_strchr(pos, ' ');
6444                 if (end)
6445                         len = end - pos;
6446                 else
6447                         len = os_strlen(pos);
6448                 if (len & 1)
6449                         return -1;
6450                 len /= 2;
6451                 tfs_req = wpabuf_alloc(len);
6452                 if (tfs_req == NULL)
6453                         return -1;
6454                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
6455                         wpabuf_free(tfs_req);
6456                         return -1;
6457                 }
6458         }
6459
6460         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
6461                                            WNM_SLEEP_MODE_EXIT, intval,
6462                                            tfs_req);
6463         wpabuf_free(tfs_req);
6464
6465         return ret;
6466 }
6467
6468
6469 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
6470 {
6471         int query_reason;
6472
6473         query_reason = atoi(cmd);
6474
6475         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
6476                    query_reason);
6477
6478         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
6479 }
6480
6481 #endif /* CONFIG_WNM */
6482
6483
6484 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
6485                                       size_t buflen)
6486 {
6487         struct wpa_signal_info si;
6488         int ret;
6489         char *pos, *end;
6490
6491         ret = wpa_drv_signal_poll(wpa_s, &si);
6492         if (ret)
6493                 return -1;
6494
6495         pos = buf;
6496         end = buf + buflen;
6497
6498         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
6499                           "NOISE=%d\nFREQUENCY=%u\n",
6500                           si.current_signal, si.current_txrate / 1000,
6501                           si.current_noise, si.frequency);
6502         if (os_snprintf_error(end - pos, ret))
6503                 return -1;
6504         pos += ret;
6505
6506         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
6507                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
6508                                   channel_width_to_string(si.chanwidth));
6509                 if (os_snprintf_error(end - pos, ret))
6510                         return -1;
6511                 pos += ret;
6512         }
6513
6514         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
6515                 ret = os_snprintf(pos, end - pos,
6516                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
6517                                   si.center_frq1, si.center_frq2);
6518                 if (os_snprintf_error(end - pos, ret))
6519                         return -1;
6520                 pos += ret;
6521         }
6522
6523         if (si.avg_signal) {
6524                 ret = os_snprintf(pos, end - pos,
6525                                   "AVG_RSSI=%d\n", si.avg_signal);
6526                 if (os_snprintf_error(end - pos, ret))
6527                         return -1;
6528                 pos += ret;
6529         }
6530
6531         if (si.avg_beacon_signal) {
6532                 ret = os_snprintf(pos, end - pos,
6533                                   "AVG_BEACON_RSSI=%d\n", si.avg_beacon_signal);
6534                 if (os_snprintf_error(end - pos, ret))
6535                         return -1;
6536                 pos += ret;
6537         }
6538
6539         return pos - buf;
6540 }
6541
6542
6543 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
6544                                       size_t buflen)
6545 {
6546         struct hostap_sta_driver_data sta;
6547         int ret;
6548
6549         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
6550         if (ret)
6551                 return -1;
6552
6553         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
6554                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
6555         if (os_snprintf_error(buflen, ret))
6556                 return -1;
6557         return ret;
6558 }
6559
6560
6561 #ifdef ANDROID
6562 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6563                                      char *buf, size_t buflen)
6564 {
6565         int ret;
6566
6567         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
6568         if (ret == 0) {
6569                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
6570                         struct p2p_data *p2p = wpa_s->global->p2p;
6571                         if (p2p) {
6572                                 char country[3];
6573                                 country[0] = cmd[8];
6574                                 country[1] = cmd[9];
6575                                 country[2] = 0x04;
6576                                 p2p_set_country(p2p, country);
6577                         }
6578                 }
6579                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
6580                 if (os_snprintf_error(buflen, ret))
6581                         ret = -1;
6582         }
6583         return ret;
6584 }
6585 #endif /* ANDROID */
6586
6587
6588 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6589                                      char *buf, size_t buflen)
6590 {
6591         int ret;
6592         char *pos;
6593         u8 *data = NULL;
6594         unsigned int vendor_id, subcmd;
6595         struct wpabuf *reply;
6596         size_t data_len = 0;
6597
6598         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
6599         vendor_id = strtoul(cmd, &pos, 16);
6600         if (!isblank(*pos))
6601                 return -EINVAL;
6602
6603         subcmd = strtoul(pos, &pos, 10);
6604
6605         if (*pos != '\0') {
6606                 if (!isblank(*pos++))
6607                         return -EINVAL;
6608                 data_len = os_strlen(pos);
6609         }
6610
6611         if (data_len) {
6612                 data_len /= 2;
6613                 data = os_malloc(data_len);
6614                 if (!data)
6615                         return -1;
6616
6617                 if (hexstr2bin(pos, data, data_len)) {
6618                         wpa_printf(MSG_DEBUG,
6619                                    "Vendor command: wrong parameter format");
6620                         os_free(data);
6621                         return -EINVAL;
6622                 }
6623         }
6624
6625         reply = wpabuf_alloc((buflen - 1) / 2);
6626         if (!reply) {
6627                 os_free(data);
6628                 return -1;
6629         }
6630
6631         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
6632                                  reply);
6633
6634         if (ret == 0)
6635                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
6636                                        wpabuf_len(reply));
6637
6638         wpabuf_free(reply);
6639         os_free(data);
6640
6641         return ret;
6642 }
6643
6644
6645 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
6646 {
6647 #ifdef CONFIG_P2P
6648         struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
6649                 wpa_s->global->p2p_init_wpa_s : wpa_s;
6650 #endif /* CONFIG_P2P */
6651
6652         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
6653
6654 #ifdef CONFIG_P2P
6655         wpas_p2p_cancel(p2p_wpa_s);
6656         p2p_ctrl_flush(p2p_wpa_s);
6657         wpas_p2p_group_remove(p2p_wpa_s, "*");
6658         wpas_p2p_service_flush(p2p_wpa_s);
6659         p2p_wpa_s->global->p2p_disabled = 0;
6660         p2p_wpa_s->global->p2p_per_sta_psk = 0;
6661         p2p_wpa_s->conf->num_sec_device_types = 0;
6662         p2p_wpa_s->p2p_disable_ip_addr_req = 0;
6663         os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
6664         p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
6665         p2p_wpa_s->global->pending_p2ps_group = 0;
6666 #endif /* CONFIG_P2P */
6667
6668 #ifdef CONFIG_WPS_TESTING
6669         wps_version_number = 0x20;
6670         wps_testing_dummy_cred = 0;
6671         wps_corrupt_pkhash = 0;
6672 #endif /* CONFIG_WPS_TESTING */
6673 #ifdef CONFIG_WPS
6674         wpa_s->wps_fragment_size = 0;
6675         wpas_wps_cancel(wpa_s);
6676         wps_registrar_flush(wpa_s->wps->registrar);
6677 #endif /* CONFIG_WPS */
6678         wpa_s->after_wps = 0;
6679         wpa_s->known_wps_freq = 0;
6680
6681 #ifdef CONFIG_TDLS
6682 #ifdef CONFIG_TDLS_TESTING
6683         extern unsigned int tdls_testing;
6684         tdls_testing = 0;
6685 #endif /* CONFIG_TDLS_TESTING */
6686         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
6687         wpa_tdls_enable(wpa_s->wpa, 1);
6688 #endif /* CONFIG_TDLS */
6689
6690         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
6691         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
6692
6693         wpa_s->no_keep_alive = 0;
6694         wpa_s->own_disconnect_req = 0;
6695
6696         os_free(wpa_s->disallow_aps_bssid);
6697         wpa_s->disallow_aps_bssid = NULL;
6698         wpa_s->disallow_aps_bssid_count = 0;
6699         os_free(wpa_s->disallow_aps_ssid);
6700         wpa_s->disallow_aps_ssid = NULL;
6701         wpa_s->disallow_aps_ssid_count = 0;
6702
6703         wpa_s->set_sta_uapsd = 0;
6704         wpa_s->sta_uapsd = 0;
6705
6706         wpa_drv_radio_disable(wpa_s, 0);
6707         wpa_blacklist_clear(wpa_s);
6708         wpa_s->extra_blacklist_count = 0;
6709         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
6710         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
6711         wpa_config_flush_blobs(wpa_s->conf);
6712         wpa_s->conf->auto_interworking = 0;
6713         wpa_s->conf->okc = 0;
6714
6715         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
6716         rsn_preauth_deinit(wpa_s->wpa);
6717
6718         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
6719         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
6720         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
6721         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
6722
6723         radio_remove_works(wpa_s, NULL, 1);
6724         wpa_s->ext_work_in_progress = 0;
6725
6726         wpa_s->next_ssid = NULL;
6727
6728 #ifdef CONFIG_INTERWORKING
6729         hs20_cancel_fetch_osu(wpa_s);
6730 #endif /* CONFIG_INTERWORKING */
6731
6732         wpa_s->ext_mgmt_frame_handling = 0;
6733         wpa_s->ext_eapol_frame_io = 0;
6734 #ifdef CONFIG_TESTING_OPTIONS
6735         wpa_s->extra_roc_dur = 0;
6736         wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
6737 #endif /* CONFIG_TESTING_OPTIONS */
6738
6739         wpa_s->disconnected = 0;
6740         os_free(wpa_s->next_scan_freqs);
6741         wpa_s->next_scan_freqs = NULL;
6742
6743         wpa_bss_flush(wpa_s);
6744         if (!dl_list_empty(&wpa_s->bss)) {
6745                 wpa_printf(MSG_DEBUG,
6746                            "BSS table not empty after flush: %u entries, current_bss=%p bssid="
6747                            MACSTR " pending_bssid=" MACSTR,
6748                            dl_list_len(&wpa_s->bss), wpa_s->current_bss,
6749                            MAC2STR(wpa_s->bssid),
6750                            MAC2STR(wpa_s->pending_bssid));
6751         }
6752
6753         eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
6754 }
6755
6756
6757 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
6758                                      char *buf, size_t buflen)
6759 {
6760         struct wpa_radio_work *work;
6761         char *pos, *end;
6762         struct os_reltime now, diff;
6763
6764         pos = buf;
6765         end = buf + buflen;
6766
6767         os_get_reltime(&now);
6768
6769         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6770         {
6771                 int ret;
6772
6773                 os_reltime_sub(&now, &work->time, &diff);
6774                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
6775                                   work->type, work->wpa_s->ifname, work->freq,
6776                                   work->started, diff.sec, diff.usec);
6777                 if (os_snprintf_error(end - pos, ret))
6778                         break;
6779                 pos += ret;
6780         }
6781
6782         return pos - buf;
6783 }
6784
6785
6786 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
6787 {
6788         struct wpa_radio_work *work = eloop_ctx;
6789         struct wpa_external_work *ework = work->ctx;
6790
6791         wpa_dbg(work->wpa_s, MSG_DEBUG,
6792                 "Timing out external radio work %u (%s)",
6793                 ework->id, work->type);
6794         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
6795         work->wpa_s->ext_work_in_progress = 0;
6796         radio_work_done(work);
6797         os_free(ework);
6798 }
6799
6800
6801 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
6802 {
6803         struct wpa_external_work *ework = work->ctx;
6804
6805         if (deinit) {
6806                 if (work->started)
6807                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6808                                              work, NULL);
6809
6810                 os_free(ework);
6811                 return;
6812         }
6813
6814         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
6815                 ework->id, ework->type);
6816         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
6817         work->wpa_s->ext_work_in_progress = 1;
6818         if (!ework->timeout)
6819                 ework->timeout = 10;
6820         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
6821                                work, NULL);
6822 }
6823
6824
6825 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
6826                                     char *buf, size_t buflen)
6827 {
6828         struct wpa_external_work *ework;
6829         char *pos, *pos2;
6830         size_t type_len;
6831         int ret;
6832         unsigned int freq = 0;
6833
6834         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
6835
6836         ework = os_zalloc(sizeof(*ework));
6837         if (ework == NULL)
6838                 return -1;
6839
6840         pos = os_strchr(cmd, ' ');
6841         if (pos) {
6842                 type_len = pos - cmd;
6843                 pos++;
6844
6845                 pos2 = os_strstr(pos, "freq=");
6846                 if (pos2)
6847                         freq = atoi(pos2 + 5);
6848
6849                 pos2 = os_strstr(pos, "timeout=");
6850                 if (pos2)
6851                         ework->timeout = atoi(pos2 + 8);
6852         } else {
6853                 type_len = os_strlen(cmd);
6854         }
6855         if (4 + type_len >= sizeof(ework->type))
6856                 type_len = sizeof(ework->type) - 4 - 1;
6857         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
6858         os_memcpy(ework->type + 4, cmd, type_len);
6859         ework->type[4 + type_len] = '\0';
6860
6861         wpa_s->ext_work_id++;
6862         if (wpa_s->ext_work_id == 0)
6863                 wpa_s->ext_work_id++;
6864         ework->id = wpa_s->ext_work_id;
6865
6866         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
6867                            ework) < 0) {
6868                 os_free(ework);
6869                 return -1;
6870         }
6871
6872         ret = os_snprintf(buf, buflen, "%u", ework->id);
6873         if (os_snprintf_error(buflen, ret))
6874                 return -1;
6875         return ret;
6876 }
6877
6878
6879 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
6880 {
6881         struct wpa_radio_work *work;
6882         unsigned int id = atoi(cmd);
6883
6884         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6885         {
6886                 struct wpa_external_work *ework;
6887
6888                 if (os_strncmp(work->type, "ext:", 4) != 0)
6889                         continue;
6890                 ework = work->ctx;
6891                 if (id && ework->id != id)
6892                         continue;
6893                 wpa_dbg(wpa_s, MSG_DEBUG,
6894                         "Completed external radio work %u (%s)",
6895                         ework->id, ework->type);
6896                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
6897                 wpa_s->ext_work_in_progress = 0;
6898                 radio_work_done(work);
6899                 os_free(ework);
6900                 return 3; /* "OK\n" */
6901         }
6902
6903         return -1;
6904 }
6905
6906
6907 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
6908                                 char *buf, size_t buflen)
6909 {
6910         if (os_strcmp(cmd, "show") == 0)
6911                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
6912         if (os_strncmp(cmd, "add ", 4) == 0)
6913                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
6914         if (os_strncmp(cmd, "done ", 5) == 0)
6915                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
6916         return -1;
6917 }
6918
6919
6920 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
6921 {
6922         struct wpa_radio_work *work, *tmp;
6923
6924         if (!wpa_s || !wpa_s->radio)
6925                 return;
6926
6927         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
6928                               struct wpa_radio_work, list) {
6929                 struct wpa_external_work *ework;
6930
6931                 if (os_strncmp(work->type, "ext:", 4) != 0)
6932                         continue;
6933                 ework = work->ctx;
6934                 wpa_dbg(wpa_s, MSG_DEBUG,
6935                         "Flushing%s external radio work %u (%s)",
6936                         work->started ? " started" : "", ework->id,
6937                         ework->type);
6938                 if (work->started)
6939                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6940                                              work, NULL);
6941                 radio_work_done(work);
6942                 os_free(ework);
6943         }
6944 }
6945
6946
6947 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
6948 {
6949         struct wpa_supplicant *wpa_s = eloop_ctx;
6950         eapol_sm_notify_ctrl_response(wpa_s->eapol);
6951 }
6952
6953
6954 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
6955                               unsigned int *scan_id_count, int scan_id[])
6956 {
6957         const char *pos = value;
6958
6959         while (pos) {
6960                 if (*pos == ' ' || *pos == '\0')
6961                         break;
6962                 if (*scan_id_count == MAX_SCAN_ID)
6963                         return -1;
6964                 scan_id[(*scan_id_count)++] = atoi(pos);
6965                 pos = os_strchr(pos, ',');
6966                 if (pos)
6967                         pos++;
6968         }
6969
6970         return 0;
6971 }
6972
6973
6974 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
6975                            char *reply, int reply_size, int *reply_len)
6976 {
6977         char *pos;
6978         unsigned int manual_scan_passive = 0;
6979         unsigned int manual_scan_use_id = 0;
6980         unsigned int manual_scan_only_new = 0;
6981         unsigned int scan_only = 0;
6982         unsigned int scan_id_count = 0;
6983         int scan_id[MAX_SCAN_ID];
6984         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
6985                                  struct wpa_scan_results *scan_res);
6986         int *manual_scan_freqs = NULL;
6987         struct wpa_ssid_value *ssid = NULL, *ns;
6988         unsigned int ssid_count = 0;
6989
6990         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
6991                 *reply_len = -1;
6992                 return;
6993         }
6994
6995         if (radio_work_pending(wpa_s, "scan")) {
6996                 wpa_printf(MSG_DEBUG,
6997                            "Pending scan scheduled - reject new request");
6998                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
6999                 return;
7000         }
7001
7002 #ifdef CONFIG_INTERWORKING
7003         if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) {
7004                 wpa_printf(MSG_DEBUG,
7005                            "Interworking select in progress - reject new scan");
7006                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7007                 return;
7008         }
7009 #endif /* CONFIG_INTERWORKING */
7010
7011         if (params) {
7012                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
7013                         scan_only = 1;
7014
7015                 pos = os_strstr(params, "freq=");
7016                 if (pos) {
7017                         manual_scan_freqs = freq_range_to_channel_list(wpa_s,
7018                                                                        pos + 5);
7019                         if (manual_scan_freqs == NULL) {
7020                                 *reply_len = -1;
7021                                 goto done;
7022                         }
7023                 }
7024
7025                 pos = os_strstr(params, "passive=");
7026                 if (pos)
7027                         manual_scan_passive = !!atoi(pos + 8);
7028
7029                 pos = os_strstr(params, "use_id=");
7030                 if (pos)
7031                         manual_scan_use_id = atoi(pos + 7);
7032
7033                 pos = os_strstr(params, "only_new=1");
7034                 if (pos)
7035                         manual_scan_only_new = 1;
7036
7037                 pos = os_strstr(params, "scan_id=");
7038                 if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
7039                                               scan_id) < 0) {
7040                         *reply_len = -1;
7041                         goto done;
7042                 }
7043
7044                 pos = params;
7045                 while (pos && *pos != '\0') {
7046                         if (os_strncmp(pos, "ssid ", 5) == 0) {
7047                                 char *end;
7048
7049                                 pos += 5;
7050                                 end = pos;
7051                                 while (*end) {
7052                                         if (*end == '\0' || *end == ' ')
7053                                                 break;
7054                                         end++;
7055                                 }
7056
7057                                 ns = os_realloc_array(
7058                                         ssid, ssid_count + 1,
7059                                         sizeof(struct wpa_ssid_value));
7060                                 if (ns == NULL) {
7061                                         *reply_len = -1;
7062                                         goto done;
7063                                 }
7064                                 ssid = ns;
7065
7066                                 if ((end - pos) & 0x01 ||
7067                                     end - pos > 2 * SSID_MAX_LEN ||
7068                                     hexstr2bin(pos, ssid[ssid_count].ssid,
7069                                                (end - pos) / 2) < 0) {
7070                                         wpa_printf(MSG_DEBUG,
7071                                                    "Invalid SSID value '%s'",
7072                                                    pos);
7073                                         *reply_len = -1;
7074                                         goto done;
7075                                 }
7076                                 ssid[ssid_count].ssid_len = (end - pos) / 2;
7077                                 wpa_hexdump_ascii(MSG_DEBUG, "scan SSID",
7078                                                   ssid[ssid_count].ssid,
7079                                                   ssid[ssid_count].ssid_len);
7080                                 ssid_count++;
7081                                 pos = end;
7082                         }
7083
7084                         pos = os_strchr(pos, ' ');
7085                         if (pos)
7086                                 pos++;
7087                 }
7088         }
7089
7090         wpa_s->num_ssids_from_scan_req = ssid_count;
7091         os_free(wpa_s->ssids_from_scan_req);
7092         if (ssid_count) {
7093                 wpa_s->ssids_from_scan_req = ssid;
7094                 ssid = NULL;
7095         } else {
7096                 wpa_s->ssids_from_scan_req = NULL;
7097         }
7098
7099         if (scan_only)
7100                 scan_res_handler = scan_only_handler;
7101         else if (wpa_s->scan_res_handler == scan_only_handler)
7102                 scan_res_handler = NULL;
7103         else
7104                 scan_res_handler = wpa_s->scan_res_handler;
7105
7106         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
7107             ((wpa_s->wpa_state <= WPA_SCANNING) ||
7108              (wpa_s->wpa_state == WPA_COMPLETED))) {
7109                 wpa_s->manual_scan_passive = manual_scan_passive;
7110                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7111                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7112                 wpa_s->scan_id_count = scan_id_count;
7113                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7114                 wpa_s->scan_res_handler = scan_res_handler;
7115                 os_free(wpa_s->manual_scan_freqs);
7116                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7117                 manual_scan_freqs = NULL;
7118
7119                 wpa_s->normal_scans = 0;
7120                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7121                 wpa_s->after_wps = 0;
7122                 wpa_s->known_wps_freq = 0;
7123                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7124                 if (wpa_s->manual_scan_use_id) {
7125                         wpa_s->manual_scan_id++;
7126                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7127                                 wpa_s->manual_scan_id);
7128                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7129                                                  wpa_s->manual_scan_id);
7130                 }
7131         } else if (wpa_s->sched_scanning) {
7132                 wpa_s->manual_scan_passive = manual_scan_passive;
7133                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7134                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7135                 wpa_s->scan_id_count = scan_id_count;
7136                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7137                 wpa_s->scan_res_handler = scan_res_handler;
7138                 os_free(wpa_s->manual_scan_freqs);
7139                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7140                 manual_scan_freqs = NULL;
7141
7142                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
7143                 wpa_supplicant_cancel_sched_scan(wpa_s);
7144                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7145                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7146                 if (wpa_s->manual_scan_use_id) {
7147                         wpa_s->manual_scan_id++;
7148                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7149                                                  wpa_s->manual_scan_id);
7150                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7151                                 wpa_s->manual_scan_id);
7152                 }
7153         } else {
7154                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
7155                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7156         }
7157
7158 done:
7159         os_free(manual_scan_freqs);
7160         os_free(ssid);
7161 }
7162
7163
7164 #ifdef CONFIG_TESTING_OPTIONS
7165
7166 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
7167                                        unsigned int freq, const u8 *dst,
7168                                        const u8 *src, const u8 *bssid,
7169                                        const u8 *data, size_t data_len,
7170                                        enum offchannel_send_action_result
7171                                        result)
7172 {
7173         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
7174                 " src=" MACSTR " bssid=" MACSTR " result=%s",
7175                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
7176                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
7177                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
7178                              "NO_ACK" : "FAILED"));
7179 }
7180
7181
7182 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
7183 {
7184         char *pos, *param;
7185         size_t len;
7186         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
7187         int res, used;
7188         int freq = 0, no_cck = 0, wait_time = 0;
7189
7190         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
7191          *    <action=Action frame payload> */
7192
7193         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
7194
7195         pos = cmd;
7196         used = hwaddr_aton2(pos, da);
7197         if (used < 0)
7198                 return -1;
7199         pos += used;
7200         while (*pos == ' ')
7201                 pos++;
7202         used = hwaddr_aton2(pos, bssid);
7203         if (used < 0)
7204                 return -1;
7205         pos += used;
7206
7207         param = os_strstr(pos, " freq=");
7208         if (param) {
7209                 param += 6;
7210                 freq = atoi(param);
7211         }
7212
7213         param = os_strstr(pos, " no_cck=");
7214         if (param) {
7215                 param += 8;
7216                 no_cck = atoi(param);
7217         }
7218
7219         param = os_strstr(pos, " wait_time=");
7220         if (param) {
7221                 param += 11;
7222                 wait_time = atoi(param);
7223         }
7224
7225         param = os_strstr(pos, " action=");
7226         if (param == NULL)
7227                 return -1;
7228         param += 8;
7229
7230         len = os_strlen(param);
7231         if (len & 1)
7232                 return -1;
7233         len /= 2;
7234
7235         buf = os_malloc(len);
7236         if (buf == NULL)
7237                 return -1;
7238
7239         if (hexstr2bin(param, buf, len) < 0) {
7240                 os_free(buf);
7241                 return -1;
7242         }
7243
7244         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
7245                                      buf, len, wait_time,
7246                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
7247         os_free(buf);
7248         return res;
7249 }
7250
7251
7252 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
7253 {
7254         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
7255         offchannel_send_action_done(wpa_s);
7256 }
7257
7258
7259 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
7260 {
7261         char *pos, *param;
7262         union wpa_event_data event;
7263         enum wpa_event_type ev;
7264
7265         /* <event name> [parameters..] */
7266
7267         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
7268
7269         pos = cmd;
7270         param = os_strchr(pos, ' ');
7271         if (param)
7272                 *param++ = '\0';
7273
7274         os_memset(&event, 0, sizeof(event));
7275
7276         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
7277                 ev = EVENT_INTERFACE_ENABLED;
7278         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
7279                 ev = EVENT_INTERFACE_DISABLED;
7280         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
7281                 ev = EVENT_AVOID_FREQUENCIES;
7282                 if (param == NULL)
7283                         param = "";
7284                 if (freq_range_list_parse(&event.freq_range, param) < 0)
7285                         return -1;
7286                 wpa_supplicant_event(wpa_s, ev, &event);
7287                 os_free(event.freq_range.range);
7288                 return 0;
7289         } else {
7290                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
7291                         cmd);
7292                 return -1;
7293         }
7294
7295         wpa_supplicant_event(wpa_s, ev, &event);
7296
7297         return 0;
7298 }
7299
7300
7301 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
7302 {
7303         char *pos;
7304         u8 src[ETH_ALEN], *buf;
7305         int used;
7306         size_t len;
7307
7308         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
7309
7310         pos = cmd;
7311         used = hwaddr_aton2(pos, src);
7312         if (used < 0)
7313                 return -1;
7314         pos += used;
7315         while (*pos == ' ')
7316                 pos++;
7317
7318         len = os_strlen(pos);
7319         if (len & 1)
7320                 return -1;
7321         len /= 2;
7322
7323         buf = os_malloc(len);
7324         if (buf == NULL)
7325                 return -1;
7326
7327         if (hexstr2bin(pos, buf, len) < 0) {
7328                 os_free(buf);
7329                 return -1;
7330         }
7331
7332         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
7333         os_free(buf);
7334
7335         return 0;
7336 }
7337
7338
7339 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
7340 {
7341         size_t i;
7342         u32 sum = 0;
7343         const u16 *pos = buf;
7344
7345         for (i = 0; i < len / 2; i++)
7346                 sum += *pos++;
7347
7348         while (sum >> 16)
7349                 sum = (sum & 0xffff) + (sum >> 16);
7350
7351         return sum ^ 0xffff;
7352 }
7353
7354
7355 #define HWSIM_PACKETLEN 1500
7356 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
7357
7358 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
7359 {
7360         struct wpa_supplicant *wpa_s = ctx;
7361         const struct ether_header *eth;
7362         const struct iphdr *ip;
7363         const u8 *pos;
7364         unsigned int i;
7365
7366         if (len != HWSIM_PACKETLEN)
7367                 return;
7368
7369         eth = (const struct ether_header *) buf;
7370         ip = (const struct iphdr *) (eth + 1);
7371         pos = (const u8 *) (ip + 1);
7372
7373         if (ip->ihl != 5 || ip->version != 4 ||
7374             ntohs(ip->tot_len) != HWSIM_IP_LEN)
7375                 return;
7376
7377         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++) {
7378                 if (*pos != (u8) i)
7379                         return;
7380                 pos++;
7381         }
7382
7383         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
7384                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
7385 }
7386
7387
7388 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
7389                                             char *cmd)
7390 {
7391         int enabled = atoi(cmd);
7392
7393         if (!enabled) {
7394                 if (wpa_s->l2_test) {
7395                         l2_packet_deinit(wpa_s->l2_test);
7396                         wpa_s->l2_test = NULL;
7397                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
7398                 }
7399                 return 0;
7400         }
7401
7402         if (wpa_s->l2_test)
7403                 return 0;
7404
7405         wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
7406                                         ETHERTYPE_IP, wpas_data_test_rx,
7407                                         wpa_s, 1);
7408         if (wpa_s->l2_test == NULL)
7409                 return -1;
7410
7411         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
7412
7413         return 0;
7414 }
7415
7416
7417 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
7418 {
7419         u8 dst[ETH_ALEN], src[ETH_ALEN];
7420         char *pos;
7421         int used;
7422         long int val;
7423         u8 tos;
7424         u8 buf[HWSIM_PACKETLEN];
7425         struct ether_header *eth;
7426         struct iphdr *ip;
7427         u8 *dpos;
7428         unsigned int i;
7429
7430         if (wpa_s->l2_test == NULL)
7431                 return -1;
7432
7433         /* format: <dst> <src> <tos> */
7434
7435         pos = cmd;
7436         used = hwaddr_aton2(pos, dst);
7437         if (used < 0)
7438                 return -1;
7439         pos += used;
7440         while (*pos == ' ')
7441                 pos++;
7442         used = hwaddr_aton2(pos, src);
7443         if (used < 0)
7444                 return -1;
7445         pos += used;
7446
7447         val = strtol(pos, NULL, 0);
7448         if (val < 0 || val > 0xff)
7449                 return -1;
7450         tos = val;
7451
7452         eth = (struct ether_header *) buf;
7453         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
7454         os_memcpy(eth->ether_shost, src, ETH_ALEN);
7455         eth->ether_type = htons(ETHERTYPE_IP);
7456         ip = (struct iphdr *) (eth + 1);
7457         os_memset(ip, 0, sizeof(*ip));
7458         ip->ihl = 5;
7459         ip->version = 4;
7460         ip->ttl = 64;
7461         ip->tos = tos;
7462         ip->tot_len = htons(HWSIM_IP_LEN);
7463         ip->protocol = 1;
7464         ip->saddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 1);
7465         ip->daddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 2);
7466         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
7467         dpos = (u8 *) (ip + 1);
7468         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
7469                 *dpos++ = i;
7470
7471         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, buf,
7472                            HWSIM_PACKETLEN) < 0)
7473                 return -1;
7474
7475         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
7476                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
7477
7478         return 0;
7479 }
7480
7481
7482 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
7483                                            char *cmd)
7484 {
7485         u8 *buf;
7486         struct ether_header *eth;
7487         struct l2_packet_data *l2 = NULL;
7488         size_t len;
7489         u16 ethertype;
7490         int res = -1;
7491
7492         len = os_strlen(cmd);
7493         if (len & 1 || len < ETH_HLEN * 2)
7494                 return -1;
7495         len /= 2;
7496
7497         buf = os_malloc(len);
7498         if (buf == NULL)
7499                 return -1;
7500
7501         if (hexstr2bin(cmd, buf, len) < 0)
7502                 goto done;
7503
7504         eth = (struct ether_header *) buf;
7505         ethertype = ntohs(eth->ether_type);
7506
7507         l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
7508                             wpas_data_test_rx, wpa_s, 1);
7509         if (l2 == NULL)
7510                 goto done;
7511
7512         res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
7513         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
7514 done:
7515         if (l2)
7516                 l2_packet_deinit(l2);
7517         os_free(buf);
7518
7519         return res < 0 ? -1 : 0;
7520 }
7521
7522
7523 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
7524 {
7525 #ifdef WPA_TRACE_BFD
7526         extern char wpa_trace_fail_func[256];
7527         extern unsigned int wpa_trace_fail_after;
7528         char *pos;
7529
7530         wpa_trace_fail_after = atoi(cmd);
7531         pos = os_strchr(cmd, ':');
7532         if (pos) {
7533                 pos++;
7534                 os_strlcpy(wpa_trace_fail_func, pos,
7535                            sizeof(wpa_trace_fail_func));
7536         } else {
7537                 wpa_trace_fail_after = 0;
7538         }
7539         return 0;
7540 #else /* WPA_TRACE_BFD */
7541         return -1;
7542 #endif /* WPA_TRACE_BFD */
7543 }
7544
7545
7546 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
7547                                     char *buf, size_t buflen)
7548 {
7549 #ifdef WPA_TRACE_BFD
7550         extern char wpa_trace_fail_func[256];
7551         extern unsigned int wpa_trace_fail_after;
7552
7553         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
7554                            wpa_trace_fail_func);
7555 #else /* WPA_TRACE_BFD */
7556         return -1;
7557 #endif /* WPA_TRACE_BFD */
7558 }
7559
7560 #endif /* CONFIG_TESTING_OPTIONS */
7561
7562
7563 static void wpas_ctrl_vendor_elem_update(struct wpa_supplicant *wpa_s)
7564 {
7565         unsigned int i;
7566         char buf[30];
7567
7568         wpa_printf(MSG_DEBUG, "Update vendor elements");
7569
7570         for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
7571                 if (wpa_s->vendor_elem[i]) {
7572                         int res;
7573
7574                         res = os_snprintf(buf, sizeof(buf), "frame[%u]", i);
7575                         if (!os_snprintf_error(sizeof(buf), res)) {
7576                                 wpa_hexdump_buf(MSG_DEBUG, buf,
7577                                                 wpa_s->vendor_elem[i]);
7578                         }
7579                 }
7580         }
7581
7582 #ifdef CONFIG_P2P
7583         if (wpa_s->parent == wpa_s &&
7584             wpa_s->global->p2p &&
7585             !wpa_s->global->p2p_disabled)
7586                 p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem);
7587 #endif /* CONFIG_P2P */
7588 }
7589
7590
7591 static struct wpa_supplicant *
7592 wpas_ctrl_vendor_elem_iface(struct wpa_supplicant *wpa_s,
7593                             enum wpa_vendor_elem_frame frame)
7594 {
7595         switch (frame) {
7596 #ifdef CONFIG_P2P
7597         case VENDOR_ELEM_PROBE_REQ_P2P:
7598         case VENDOR_ELEM_PROBE_RESP_P2P:
7599         case VENDOR_ELEM_PROBE_RESP_P2P_GO:
7600         case VENDOR_ELEM_BEACON_P2P_GO:
7601         case VENDOR_ELEM_P2P_PD_REQ:
7602         case VENDOR_ELEM_P2P_PD_RESP:
7603         case VENDOR_ELEM_P2P_GO_NEG_REQ:
7604         case VENDOR_ELEM_P2P_GO_NEG_RESP:
7605         case VENDOR_ELEM_P2P_GO_NEG_CONF:
7606         case VENDOR_ELEM_P2P_INV_REQ:
7607         case VENDOR_ELEM_P2P_INV_RESP:
7608         case VENDOR_ELEM_P2P_ASSOC_REQ:
7609                 return wpa_s->parent;
7610 #endif /* CONFIG_P2P */
7611         default:
7612                 return wpa_s;
7613         }
7614 }
7615
7616
7617 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
7618 {
7619         char *pos = cmd;
7620         int frame;
7621         size_t len;
7622         struct wpabuf *buf;
7623         struct ieee802_11_elems elems;
7624
7625         frame = atoi(pos);
7626         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7627                 return -1;
7628         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7629
7630         pos = os_strchr(pos, ' ');
7631         if (pos == NULL)
7632                 return -1;
7633         pos++;
7634
7635         len = os_strlen(pos);
7636         if (len == 0)
7637                 return 0;
7638         if (len & 1)
7639                 return -1;
7640         len /= 2;
7641
7642         buf = wpabuf_alloc(len);
7643         if (buf == NULL)
7644                 return -1;
7645
7646         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
7647                 wpabuf_free(buf);
7648                 return -1;
7649         }
7650
7651         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
7652             ParseFailed) {
7653                 wpabuf_free(buf);
7654                 return -1;
7655         }
7656
7657         if (wpa_s->vendor_elem[frame] == NULL) {
7658                 wpa_s->vendor_elem[frame] = buf;
7659                 wpas_ctrl_vendor_elem_update(wpa_s);
7660                 return 0;
7661         }
7662
7663         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
7664                 wpabuf_free(buf);
7665                 return -1;
7666         }
7667
7668         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
7669         wpabuf_free(buf);
7670         wpas_ctrl_vendor_elem_update(wpa_s);
7671
7672         return 0;
7673 }
7674
7675
7676 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
7677                                      char *buf, size_t buflen)
7678 {
7679         int frame = atoi(cmd);
7680
7681         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7682                 return -1;
7683         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7684
7685         if (wpa_s->vendor_elem[frame] == NULL)
7686                 return 0;
7687
7688         return wpa_snprintf_hex(buf, buflen,
7689                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
7690                                 wpabuf_len(wpa_s->vendor_elem[frame]));
7691 }
7692
7693
7694 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
7695 {
7696         char *pos = cmd;
7697         int frame;
7698         size_t len;
7699         u8 *buf;
7700         struct ieee802_11_elems elems;
7701         u8 *ie, *end;
7702
7703         frame = atoi(pos);
7704         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7705                 return -1;
7706         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7707
7708         pos = os_strchr(pos, ' ');
7709         if (pos == NULL)
7710                 return -1;
7711         pos++;
7712
7713         if (*pos == '*') {
7714                 wpabuf_free(wpa_s->vendor_elem[frame]);
7715                 wpa_s->vendor_elem[frame] = NULL;
7716                 wpas_ctrl_vendor_elem_update(wpa_s);
7717                 return 0;
7718         }
7719
7720         if (wpa_s->vendor_elem[frame] == NULL)
7721                 return -1;
7722
7723         len = os_strlen(pos);
7724         if (len == 0)
7725                 return 0;
7726         if (len & 1)
7727                 return -1;
7728         len /= 2;
7729
7730         buf = os_malloc(len);
7731         if (buf == NULL)
7732                 return -1;
7733
7734         if (hexstr2bin(pos, buf, len) < 0) {
7735                 os_free(buf);
7736                 return -1;
7737         }
7738
7739         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
7740                 os_free(buf);
7741                 return -1;
7742         }
7743
7744         ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]);
7745         end = ie + wpabuf_len(wpa_s->vendor_elem[frame]);
7746
7747         for (; ie + 1 < end; ie += 2 + ie[1]) {
7748                 if (ie + len > end)
7749                         break;
7750                 if (os_memcmp(ie, buf, len) != 0)
7751                         continue;
7752
7753                 if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) {
7754                         wpabuf_free(wpa_s->vendor_elem[frame]);
7755                         wpa_s->vendor_elem[frame] = NULL;
7756                 } else {
7757                         os_memmove(ie, ie + len,
7758                                    end - (ie + len));
7759                         wpa_s->vendor_elem[frame]->used -= len;
7760                 }
7761                 os_free(buf);
7762                 wpas_ctrl_vendor_elem_update(wpa_s);
7763                 return 0;
7764         }
7765
7766         os_free(buf);
7767
7768         return -1;
7769 }
7770
7771
7772 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
7773 {
7774         struct wpa_supplicant *wpa_s = ctx;
7775
7776         if (neighbor_rep) {
7777                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
7778                              "length=%u",
7779                              (unsigned int) wpabuf_len(neighbor_rep));
7780                 wpabuf_free(neighbor_rep);
7781         } else {
7782                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
7783         }
7784 }
7785
7786
7787 static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s,
7788                                             char *cmd)
7789 {
7790         struct wpa_ssid ssid;
7791         struct wpa_ssid *ssid_p = NULL;
7792         int ret = 0;
7793
7794         if (os_strncmp(cmd, " ssid=", 6) == 0) {
7795                 ssid.ssid_len = os_strlen(cmd + 6);
7796                 if (ssid.ssid_len > SSID_MAX_LEN)
7797                         return -1;
7798                 ssid.ssid = (u8 *) (cmd + 6);
7799                 ssid_p = &ssid;
7800         }
7801
7802         ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p,
7803                                                  wpas_ctrl_neighbor_rep_cb,
7804                                                  wpa_s);
7805
7806         return ret;
7807 }
7808
7809
7810 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
7811 {
7812         eapol_sm_erp_flush(wpa_s->eapol);
7813         return 0;
7814 }
7815
7816
7817 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
7818                                          char *cmd)
7819 {
7820         char *token, *context = NULL;
7821         unsigned int enable = ~0, type = 0;
7822         u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
7823         u8 *addr = NULL, *mask = NULL;
7824
7825         while ((token = str_token(cmd, " ", &context))) {
7826                 if (os_strcasecmp(token, "scan") == 0) {
7827                         type |= MAC_ADDR_RAND_SCAN;
7828                 } else if (os_strcasecmp(token, "sched") == 0) {
7829                         type |= MAC_ADDR_RAND_SCHED_SCAN;
7830                 } else if (os_strcasecmp(token, "pno") == 0) {
7831                         type |= MAC_ADDR_RAND_PNO;
7832                 } else if (os_strcasecmp(token, "all") == 0) {
7833                         type = wpa_s->mac_addr_rand_supported;
7834                 } else if (os_strncasecmp(token, "enable=", 7) == 0) {
7835                         enable = atoi(token + 7);
7836                 } else if (os_strncasecmp(token, "addr=", 5) == 0) {
7837                         addr = _addr;
7838                         if (hwaddr_aton(token + 5, addr)) {
7839                                 wpa_printf(MSG_INFO,
7840                                            "CTRL: Invalid MAC address: %s",
7841                                            token);
7842                                 return -1;
7843                         }
7844                 } else if (os_strncasecmp(token, "mask=", 5) == 0) {
7845                         mask = _mask;
7846                         if (hwaddr_aton(token + 5, mask)) {
7847                                 wpa_printf(MSG_INFO,
7848                                            "CTRL: Invalid MAC address mask: %s",
7849                                            token);
7850                                 return -1;
7851                         }
7852                 } else {
7853                         wpa_printf(MSG_INFO,
7854                                    "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
7855                                    token);
7856                         return -1;
7857                 }
7858         }
7859
7860         if (!type) {
7861                 wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
7862                 return -1;
7863         }
7864
7865         if ((wpa_s->mac_addr_rand_supported & type) != type) {
7866                 wpa_printf(MSG_INFO,
7867                            "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
7868                            type, wpa_s->mac_addr_rand_supported);
7869                 return -1;
7870         }
7871
7872         if (enable > 1) {
7873                 wpa_printf(MSG_INFO,
7874                            "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
7875                 return -1;
7876         }
7877
7878         if (!enable) {
7879                 wpas_mac_addr_rand_scan_clear(wpa_s, type);
7880                 if (wpa_s->pno) {
7881                         if (type & MAC_ADDR_RAND_PNO) {
7882                                 wpas_stop_pno(wpa_s);
7883                                 wpas_start_pno(wpa_s);
7884                         }
7885                 } else if (wpa_s->sched_scanning &&
7886                            (type & MAC_ADDR_RAND_SCHED_SCAN)) {
7887                         /* simulate timeout to restart the sched scan */
7888                         wpa_s->sched_scan_timed_out = 1;
7889                         wpa_s->prev_sched_ssid = NULL;
7890                         wpa_supplicant_cancel_sched_scan(wpa_s);
7891                 }
7892                 return 0;
7893         }
7894
7895         if ((addr && !mask) || (!addr && mask)) {
7896                 wpa_printf(MSG_INFO,
7897                            "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
7898                 return -1;
7899         }
7900
7901         if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
7902                 wpa_printf(MSG_INFO,
7903                            "CTRL: MAC_RAND_SCAN cannot allow multicast address");
7904                 return -1;
7905         }
7906
7907         if (type & MAC_ADDR_RAND_SCAN) {
7908                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
7909                                             addr, mask);
7910         }
7911
7912         if (type & MAC_ADDR_RAND_SCHED_SCAN) {
7913                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
7914                                             addr, mask);
7915
7916                 if (wpa_s->sched_scanning && !wpa_s->pno) {
7917                         /* simulate timeout to restart the sched scan */
7918                         wpa_s->sched_scan_timed_out = 1;
7919                         wpa_s->prev_sched_ssid = NULL;
7920                         wpa_supplicant_cancel_sched_scan(wpa_s);
7921                 }
7922         }
7923
7924         if (type & MAC_ADDR_RAND_PNO) {
7925                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
7926                                             addr, mask);
7927                 if (wpa_s->pno) {
7928                         wpas_stop_pno(wpa_s);
7929                         wpas_start_pno(wpa_s);
7930                 }
7931         }
7932
7933         return 0;
7934 }
7935
7936
7937 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
7938                                          char *buf, size_t *resp_len)
7939 {
7940         char *reply;
7941         const int reply_size = 4096;
7942         int reply_len;
7943
7944         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
7945             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
7946                 if (wpa_debug_show_keys)
7947                         wpa_dbg(wpa_s, MSG_DEBUG,
7948                                 "Control interface command '%s'", buf);
7949                 else
7950                         wpa_dbg(wpa_s, MSG_DEBUG,
7951                                 "Control interface command '%s [REMOVED]'",
7952                                 os_strncmp(buf, WPA_CTRL_RSP,
7953                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
7954                                 WPA_CTRL_RSP : "SET_NETWORK");
7955         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
7956                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
7957                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
7958                                       (const u8 *) buf, os_strlen(buf));
7959         } else {
7960                 int level = MSG_DEBUG;
7961                 if (os_strcmp(buf, "PING") == 0)
7962                         level = MSG_EXCESSIVE;
7963                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
7964         }
7965
7966         reply = os_malloc(reply_size);
7967         if (reply == NULL) {
7968                 *resp_len = 1;
7969                 return NULL;
7970         }
7971
7972         os_memcpy(reply, "OK\n", 3);
7973         reply_len = 3;
7974
7975         if (os_strcmp(buf, "PING") == 0) {
7976                 os_memcpy(reply, "PONG\n", 5);
7977                 reply_len = 5;
7978         } else if (os_strcmp(buf, "IFNAME") == 0) {
7979                 reply_len = os_strlen(wpa_s->ifname);
7980                 os_memcpy(reply, wpa_s->ifname, reply_len);
7981         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
7982                 if (wpa_debug_reopen_file() < 0)
7983                         reply_len = -1;
7984         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
7985                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
7986         } else if (os_strcmp(buf, "MIB") == 0) {
7987                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
7988                 if (reply_len >= 0) {
7989                         reply_len += eapol_sm_get_mib(wpa_s->eapol,
7990                                                       reply + reply_len,
7991                                                       reply_size - reply_len);
7992                 }
7993         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
7994                 reply_len = wpa_supplicant_ctrl_iface_status(
7995                         wpa_s, buf + 6, reply, reply_size);
7996         } else if (os_strcmp(buf, "PMKSA") == 0) {
7997                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
7998                                                     reply_size);
7999         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
8000                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
8001         } else if (os_strncmp(buf, "SET ", 4) == 0) {
8002                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
8003                         reply_len = -1;
8004         } else if (os_strncmp(buf, "DUMP", 4) == 0) {
8005                 reply_len = wpa_config_dump_values(wpa_s->conf,
8006                                                    reply, reply_size);
8007         } else if (os_strncmp(buf, "GET ", 4) == 0) {
8008                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
8009                                                           reply, reply_size);
8010         } else if (os_strcmp(buf, "LOGON") == 0) {
8011                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
8012         } else if (os_strcmp(buf, "LOGOFF") == 0) {
8013                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
8014         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
8015                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8016                         reply_len = -1;
8017                 else
8018                         wpas_request_connection(wpa_s);
8019         } else if (os_strcmp(buf, "REATTACH") == 0) {
8020                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
8021                     !wpa_s->current_ssid)
8022                         reply_len = -1;
8023                 else {
8024                         wpa_s->reattach = 1;
8025                         wpas_request_connection(wpa_s);
8026                 }
8027         } else if (os_strcmp(buf, "RECONNECT") == 0) {
8028                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8029                         reply_len = -1;
8030                 else if (wpa_s->disconnected)
8031                         wpas_request_connection(wpa_s);
8032 #ifdef IEEE8021X_EAPOL
8033         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
8034                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
8035                         reply_len = -1;
8036 #endif /* IEEE8021X_EAPOL */
8037 #ifdef CONFIG_PEERKEY
8038         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
8039                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
8040                         reply_len = -1;
8041 #endif /* CONFIG_PEERKEY */
8042 #ifdef CONFIG_IEEE80211R
8043         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
8044                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
8045                         reply_len = -1;
8046 #endif /* CONFIG_IEEE80211R */
8047 #ifdef CONFIG_WPS
8048         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
8049                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
8050                 if (res == -2) {
8051                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8052                         reply_len = 17;
8053                 } else if (res)
8054                         reply_len = -1;
8055         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
8056                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
8057                 if (res == -2) {
8058                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8059                         reply_len = 17;
8060                 } else if (res)
8061                         reply_len = -1;
8062         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
8063                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
8064                                                               reply,
8065                                                               reply_size);
8066         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
8067                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
8068                         wpa_s, buf + 14, reply, reply_size);
8069         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
8070                 if (wpas_wps_cancel(wpa_s))
8071                         reply_len = -1;
8072 #ifdef CONFIG_WPS_NFC
8073         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
8074                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
8075                         reply_len = -1;
8076         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
8077                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
8078                         reply_len = -1;
8079         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
8080                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
8081                         wpa_s, buf + 21, reply, reply_size);
8082         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
8083                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
8084                         wpa_s, buf + 14, reply, reply_size);
8085         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
8086                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
8087                                                                buf + 17))
8088                         reply_len = -1;
8089         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
8090                 reply_len = wpas_ctrl_nfc_get_handover_req(
8091                         wpa_s, buf + 21, reply, reply_size);
8092         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
8093                 reply_len = wpas_ctrl_nfc_get_handover_sel(
8094                         wpa_s, buf + 21, reply, reply_size);
8095         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
8096                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
8097                         reply_len = -1;
8098 #endif /* CONFIG_WPS_NFC */
8099         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
8100                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
8101                         reply_len = -1;
8102 #ifdef CONFIG_AP
8103         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
8104                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
8105                         wpa_s, buf + 11, reply, reply_size);
8106 #endif /* CONFIG_AP */
8107 #ifdef CONFIG_WPS_ER
8108         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
8109                 if (wpas_wps_er_start(wpa_s, NULL))
8110                         reply_len = -1;
8111         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
8112                 if (wpas_wps_er_start(wpa_s, buf + 13))
8113                         reply_len = -1;
8114         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
8115                 wpas_wps_er_stop(wpa_s);
8116         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
8117                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
8118                         reply_len = -1;
8119         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
8120                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
8121                 if (ret == -2) {
8122                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8123                         reply_len = 17;
8124                 } else if (ret == -3) {
8125                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
8126                         reply_len = 18;
8127                 } else if (ret == -4) {
8128                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
8129                         reply_len = 20;
8130                 } else if (ret)
8131                         reply_len = -1;
8132         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
8133                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
8134                         reply_len = -1;
8135         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
8136                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
8137                                                                 buf + 18))
8138                         reply_len = -1;
8139         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
8140                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
8141                         reply_len = -1;
8142 #ifdef CONFIG_WPS_NFC
8143         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
8144                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
8145                         wpa_s, buf + 24, reply, reply_size);
8146 #endif /* CONFIG_WPS_NFC */
8147 #endif /* CONFIG_WPS_ER */
8148 #endif /* CONFIG_WPS */
8149 #ifdef CONFIG_IBSS_RSN
8150         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
8151                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
8152                         reply_len = -1;
8153 #endif /* CONFIG_IBSS_RSN */
8154 #ifdef CONFIG_MESH
8155         } else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
8156                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8157                         wpa_s, buf + 19, reply, reply_size);
8158         } else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
8159                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8160                         wpa_s, "", reply, reply_size);
8161         } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
8162                 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
8163                         reply_len = -1;
8164         } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
8165                 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
8166                                                                 buf + 18))
8167                         reply_len = -1;
8168 #endif /* CONFIG_MESH */
8169 #ifdef CONFIG_P2P
8170         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
8171                 if (p2p_ctrl_find(wpa_s, buf + 8))
8172                         reply_len = -1;
8173         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
8174                 if (p2p_ctrl_find(wpa_s, ""))
8175                         reply_len = -1;
8176         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
8177                 wpas_p2p_stop_find(wpa_s);
8178         } else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
8179                 if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
8180                         reply_len = -1;
8181         } else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
8182                 if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
8183                         reply_len = -1;
8184         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
8185                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
8186                                              reply_size);
8187         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
8188                 if (p2p_ctrl_listen(wpa_s, buf + 11))
8189                         reply_len = -1;
8190         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
8191                 if (p2p_ctrl_listen(wpa_s, ""))
8192                         reply_len = -1;
8193         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
8194                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
8195                         reply_len = -1;
8196         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
8197                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0, 0))
8198                         reply_len = -1;
8199         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
8200                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
8201                         reply_len = -1;
8202         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
8203                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
8204                         reply_len = -1;
8205         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
8206                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
8207         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
8208                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
8209                                                    reply_size);
8210         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
8211                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
8212                         reply_len = -1;
8213         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
8214                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
8215                         reply_len = -1;
8216         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
8217                 wpas_p2p_sd_service_update(wpa_s);
8218         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
8219                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
8220                         reply_len = -1;
8221         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
8222                 wpas_p2p_service_flush(wpa_s);
8223         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
8224                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
8225                         reply_len = -1;
8226         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
8227                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
8228                         reply_len = -1;
8229         } else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
8230                 if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
8231                         reply_len = -1;
8232         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
8233                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
8234                         reply_len = -1;
8235         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
8236                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
8237                         reply_len = -1;
8238         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
8239                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
8240                                               reply_size);
8241         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
8242                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
8243                         reply_len = -1;
8244         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
8245                 p2p_ctrl_flush(wpa_s);
8246         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
8247                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
8248                         reply_len = -1;
8249         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
8250                 if (wpas_p2p_cancel(wpa_s))
8251                         reply_len = -1;
8252         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
8253                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
8254                         reply_len = -1;
8255         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
8256                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
8257                         reply_len = -1;
8258         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
8259                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
8260                         reply_len = -1;
8261         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
8262                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
8263                         reply_len = -1;
8264         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
8265                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
8266                         reply_len = -1;
8267 #endif /* CONFIG_P2P */
8268 #ifdef CONFIG_WIFI_DISPLAY
8269         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
8270                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
8271                         reply_len = -1;
8272         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
8273                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
8274                                                      reply, reply_size);
8275 #endif /* CONFIG_WIFI_DISPLAY */
8276 #ifdef CONFIG_INTERWORKING
8277         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
8278                 if (interworking_fetch_anqp(wpa_s) < 0)
8279                         reply_len = -1;
8280         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
8281                 interworking_stop_fetch_anqp(wpa_s);
8282         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
8283                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
8284                         reply_len = -1;
8285         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
8286                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
8287                         reply_len = -1;
8288         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
8289                 if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
8290                         reply_len = -1;
8291         } else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
8292                 int id;
8293
8294                 id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
8295                 if (id < 0)
8296                         reply_len = -1;
8297                 else {
8298                         reply_len = os_snprintf(reply, reply_size, "%d\n", id);
8299                         if (os_snprintf_error(reply_size, reply_len))
8300                                 reply_len = -1;
8301                 }
8302         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
8303                 if (get_anqp(wpa_s, buf + 9) < 0)
8304                         reply_len = -1;
8305         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
8306                 if (gas_request(wpa_s, buf + 12) < 0)
8307                         reply_len = -1;
8308         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
8309                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
8310                                              reply_size);
8311 #endif /* CONFIG_INTERWORKING */
8312 #ifdef CONFIG_HS20
8313         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
8314                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
8315                         reply_len = -1;
8316         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
8317                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
8318                         reply_len = -1;
8319         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
8320                 if (hs20_icon_request(wpa_s, buf + 18) < 0)
8321                         reply_len = -1;
8322         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
8323                 if (hs20_fetch_osu(wpa_s) < 0)
8324                         reply_len = -1;
8325         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
8326                 hs20_cancel_fetch_osu(wpa_s);
8327 #endif /* CONFIG_HS20 */
8328         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
8329         {
8330                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
8331                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
8332                         reply_len = -1;
8333                 else {
8334                         /*
8335                          * Notify response from timeout to allow the control
8336                          * interface response to be sent first.
8337                          */
8338                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
8339                                                wpa_s, NULL);
8340                 }
8341         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
8342                 if (wpa_supplicant_reload_configuration(wpa_s))
8343                         reply_len = -1;
8344         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8345                 wpa_supplicant_terminate_proc(wpa_s->global);
8346         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
8347                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
8348                         reply_len = -1;
8349         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
8350                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
8351                         wpa_s, buf + 9, reply, reply_size);
8352         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
8353                 reply_len = wpa_supplicant_ctrl_iface_log_level(
8354                         wpa_s, buf + 9, reply, reply_size);
8355         } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
8356                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8357                         wpa_s, buf + 14, reply, reply_size);
8358         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
8359                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8360                         wpa_s, NULL, reply, reply_size);
8361         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
8362 #ifdef CONFIG_SME
8363                 wpa_s->sme.prev_bssid_set = 0;
8364 #endif /* CONFIG_SME */
8365                 wpa_s->reassociate = 0;
8366                 wpa_s->disconnected = 1;
8367                 wpa_supplicant_cancel_sched_scan(wpa_s);
8368                 wpa_supplicant_cancel_scan(wpa_s);
8369                 wpa_supplicant_deauthenticate(wpa_s,
8370                                               WLAN_REASON_DEAUTH_LEAVING);
8371                 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
8372         } else if (os_strcmp(buf, "SCAN") == 0) {
8373                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
8374         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
8375                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
8376         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
8377                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
8378                         wpa_s, reply, reply_size);
8379         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
8380                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
8381                         reply_len = -1;
8382         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
8383                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
8384                         reply_len = -1;
8385         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
8386                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
8387                         reply_len = -1;
8388         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
8389                 reply_len = wpa_supplicant_ctrl_iface_add_network(
8390                         wpa_s, reply, reply_size);
8391         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
8392                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
8393                         reply_len = -1;
8394         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8395                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
8396                         reply_len = -1;
8397         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
8398                 reply_len = wpa_supplicant_ctrl_iface_get_network(
8399                         wpa_s, buf + 12, reply, reply_size);
8400         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
8401                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12))
8402                         reply_len = -1;
8403         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
8404                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
8405                         wpa_s, reply, reply_size);
8406         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
8407                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
8408                         wpa_s, reply, reply_size);
8409         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
8410                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
8411                         reply_len = -1;
8412         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
8413                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
8414                         reply_len = -1;
8415         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
8416                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
8417                                                                reply,
8418                                                                reply_size);
8419 #ifndef CONFIG_NO_CONFIG_WRITE
8420         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8421                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
8422                         reply_len = -1;
8423 #endif /* CONFIG_NO_CONFIG_WRITE */
8424         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
8425                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
8426                         wpa_s, buf + 15, reply, reply_size);
8427         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
8428                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
8429                         reply_len = -1;
8430         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
8431                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
8432                         reply_len = -1;
8433         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8434                 reply_len = wpa_supplicant_global_iface_list(
8435                         wpa_s->global, reply, reply_size);
8436         } else if (os_strcmp(buf, "INTERFACES") == 0) {
8437                 reply_len = wpa_supplicant_global_iface_interfaces(
8438                         wpa_s->global, reply, reply_size);
8439         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
8440                 reply_len = wpa_supplicant_ctrl_iface_bss(
8441                         wpa_s, buf + 4, reply, reply_size);
8442 #ifdef CONFIG_AP
8443         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
8444                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
8445         } else if (os_strncmp(buf, "STA ", 4) == 0) {
8446                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
8447                                               reply_size);
8448         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
8449                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
8450                                                    reply_size);
8451         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
8452                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
8453                         reply_len = -1;
8454         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
8455                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
8456                         reply_len = -1;
8457         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
8458                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
8459                         reply_len = -1;
8460         } else if (os_strcmp(buf, "STOP_AP") == 0) {
8461                 if (wpas_ap_stop_ap(wpa_s))
8462                         reply_len = -1;
8463 #endif /* CONFIG_AP */
8464         } else if (os_strcmp(buf, "SUSPEND") == 0) {
8465                 wpas_notify_suspend(wpa_s->global);
8466         } else if (os_strcmp(buf, "RESUME") == 0) {
8467                 wpas_notify_resume(wpa_s->global);
8468 #ifdef CONFIG_TESTING_OPTIONS
8469         } else if (os_strcmp(buf, "DROP_SA") == 0) {
8470                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
8471 #endif /* CONFIG_TESTING_OPTIONS */
8472         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
8473                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
8474                         reply_len = -1;
8475         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
8476                 wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
8477         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
8478                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
8479                         reply_len = -1;
8480         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
8481                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
8482                                                                buf + 17))
8483                         reply_len = -1;
8484         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
8485                 wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
8486 #ifdef CONFIG_TDLS
8487         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
8488                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
8489                         reply_len = -1;
8490         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
8491                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
8492                         reply_len = -1;
8493         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
8494                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
8495                         reply_len = -1;
8496         } else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
8497                 if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
8498                                                                buf + 17))
8499                         reply_len = -1;
8500         } else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
8501                 if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
8502                                                                       buf + 24))
8503                         reply_len = -1;
8504         } else if (os_strncmp(buf, "TDLS_LINK_STATUS ", 17) == 0) {
8505                 reply_len = wpa_supplicant_ctrl_iface_tdls_link_status(
8506                         wpa_s, buf + 17, reply, reply_size);
8507 #endif /* CONFIG_TDLS */
8508         } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
8509                 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
8510         } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
8511                 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
8512                         reply_len = -1;
8513         } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
8514                 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
8515                         reply_len = -1;
8516         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
8517                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
8518                                                        reply_size);
8519         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
8520                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
8521                                                        reply_size);
8522 #ifdef CONFIG_AUTOSCAN
8523         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
8524                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
8525                         reply_len = -1;
8526 #endif /* CONFIG_AUTOSCAN */
8527 #ifdef ANDROID
8528         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
8529                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
8530                                                       reply_size);
8531 #endif /* ANDROID */
8532         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
8533                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
8534                                                       reply_size);
8535         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
8536                 pmksa_cache_clear_current(wpa_s->wpa);
8537                 eapol_sm_request_reauth(wpa_s->eapol);
8538 #ifdef CONFIG_WNM
8539         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
8540                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
8541                         reply_len = -1;
8542         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
8543                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
8544                                 reply_len = -1;
8545 #endif /* CONFIG_WNM */
8546         } else if (os_strcmp(buf, "FLUSH") == 0) {
8547                 wpa_supplicant_ctrl_iface_flush(wpa_s);
8548         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
8549                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
8550                                                  reply_size);
8551 #ifdef CONFIG_TESTING_OPTIONS
8552         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
8553                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
8554                         reply_len = -1;
8555         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
8556                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
8557         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
8558                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
8559                         reply_len = -1;
8560         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
8561                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
8562                         reply_len = -1;
8563         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
8564                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
8565                         reply_len = -1;
8566         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
8567                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
8568                         reply_len = -1;
8569         } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
8570                 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
8571                         reply_len = -1;
8572         } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
8573                 if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
8574                         reply_len = -1;
8575         } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
8576                 reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
8577 #endif /* CONFIG_TESTING_OPTIONS */
8578         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
8579                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
8580                         reply_len = -1;
8581         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
8582                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
8583                                                       reply_size);
8584         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
8585                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
8586                         reply_len = -1;
8587         } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
8588                 if (wpas_ctrl_iface_send_neigbor_rep(wpa_s, buf + 20))
8589                         reply_len = -1;
8590         } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
8591                 wpas_ctrl_iface_erp_flush(wpa_s);
8592         } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
8593                 if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
8594                         reply_len = -1;
8595         } else {
8596                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8597                 reply_len = 16;
8598         }
8599
8600         if (reply_len < 0) {
8601                 os_memcpy(reply, "FAIL\n", 5);
8602                 reply_len = 5;
8603         }
8604
8605         *resp_len = reply_len;
8606         return reply;
8607 }
8608
8609
8610 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
8611                                            char *cmd)
8612 {
8613         struct wpa_interface iface;
8614         char *pos, *extra;
8615         struct wpa_supplicant *wpa_s;
8616         unsigned int create_iface = 0;
8617         u8 mac_addr[ETH_ALEN];
8618
8619         /*
8620          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
8621          * TAB<bridge_ifname>[TAB<create>]
8622          */
8623         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
8624
8625         os_memset(&iface, 0, sizeof(iface));
8626
8627         do {
8628                 iface.ifname = pos = cmd;
8629                 pos = os_strchr(pos, '\t');
8630                 if (pos)
8631                         *pos++ = '\0';
8632                 if (iface.ifname[0] == '\0')
8633                         return -1;
8634                 if (pos == NULL)
8635                         break;
8636
8637                 iface.confname = pos;
8638                 pos = os_strchr(pos, '\t');
8639                 if (pos)
8640                         *pos++ = '\0';
8641                 if (iface.confname[0] == '\0')
8642                         iface.confname = NULL;
8643                 if (pos == NULL)
8644                         break;
8645
8646                 iface.driver = pos;
8647                 pos = os_strchr(pos, '\t');
8648                 if (pos)
8649                         *pos++ = '\0';
8650                 if (iface.driver[0] == '\0')
8651                         iface.driver = NULL;
8652                 if (pos == NULL)
8653                         break;
8654
8655                 iface.ctrl_interface = pos;
8656                 pos = os_strchr(pos, '\t');
8657                 if (pos)
8658                         *pos++ = '\0';
8659                 if (iface.ctrl_interface[0] == '\0')
8660                         iface.ctrl_interface = NULL;
8661                 if (pos == NULL)
8662                         break;
8663
8664                 iface.driver_param = pos;
8665                 pos = os_strchr(pos, '\t');
8666                 if (pos)
8667                         *pos++ = '\0';
8668                 if (iface.driver_param[0] == '\0')
8669                         iface.driver_param = NULL;
8670                 if (pos == NULL)
8671                         break;
8672
8673                 iface.bridge_ifname = pos;
8674                 pos = os_strchr(pos, '\t');
8675                 if (pos)
8676                         *pos++ = '\0';
8677                 if (iface.bridge_ifname[0] == '\0')
8678                         iface.bridge_ifname = NULL;
8679                 if (pos == NULL)
8680                         break;
8681
8682                 extra = pos;
8683                 pos = os_strchr(pos, '\t');
8684                 if (pos)
8685                         *pos++ = '\0';
8686                 if (!extra[0])
8687                         break;
8688
8689                 if (os_strcmp(extra, "create") == 0)
8690                         create_iface = 1;
8691                 else {
8692                         wpa_printf(MSG_DEBUG,
8693                                    "INTERFACE_ADD unsupported extra parameter: '%s'",
8694                                    extra);
8695                         return -1;
8696                 }
8697         } while (0);
8698
8699         if (create_iface) {
8700                 wpa_printf(MSG_DEBUG, "CTRL_IFACE creating interface '%s'",
8701                            iface.ifname);
8702                 if (!global->ifaces)
8703                         return -1;
8704                 if (wpa_drv_if_add(global->ifaces, WPA_IF_STATION, iface.ifname,
8705                                    NULL, NULL, NULL, mac_addr, NULL) < 0) {
8706                         wpa_printf(MSG_ERROR,
8707                                    "CTRL_IFACE interface creation failed");
8708                         return -1;
8709                 }
8710
8711                 wpa_printf(MSG_DEBUG,
8712                            "CTRL_IFACE interface '%s' created with MAC addr: "
8713                            MACSTR, iface.ifname, MAC2STR(mac_addr));
8714         }
8715
8716         if (wpa_supplicant_get_iface(global, iface.ifname))
8717                 goto fail;
8718
8719         wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
8720         if (!wpa_s)
8721                 goto fail;
8722         wpa_s->added_vif = create_iface;
8723         return 0;
8724
8725 fail:
8726         if (create_iface)
8727                 wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, iface.ifname);
8728         return -1;
8729 }
8730
8731
8732 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
8733                                               char *cmd)
8734 {
8735         struct wpa_supplicant *wpa_s;
8736         int ret;
8737         unsigned int delete_iface;
8738
8739         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
8740
8741         wpa_s = wpa_supplicant_get_iface(global, cmd);
8742         if (wpa_s == NULL)
8743                 return -1;
8744         delete_iface = wpa_s->added_vif;
8745         ret = wpa_supplicant_remove_iface(global, wpa_s, 0);
8746         if (!ret && delete_iface) {
8747                 wpa_printf(MSG_DEBUG, "CTRL_IFACE deleting the interface '%s'",
8748                            cmd);
8749                 ret = wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, cmd);
8750         }
8751         return ret;
8752 }
8753
8754
8755 static void wpa_free_iface_info(struct wpa_interface_info *iface)
8756 {
8757         struct wpa_interface_info *prev;
8758
8759         while (iface) {
8760                 prev = iface;
8761                 iface = iface->next;
8762
8763                 os_free(prev->ifname);
8764                 os_free(prev->desc);
8765                 os_free(prev);
8766         }
8767 }
8768
8769
8770 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
8771                                             char *buf, int len)
8772 {
8773         int i, res;
8774         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
8775         char *pos, *end;
8776
8777         for (i = 0; wpa_drivers[i]; i++) {
8778                 const struct wpa_driver_ops *drv = wpa_drivers[i];
8779                 if (drv->get_interfaces == NULL)
8780                         continue;
8781                 tmp = drv->get_interfaces(global->drv_priv[i]);
8782                 if (tmp == NULL)
8783                         continue;
8784
8785                 if (last == NULL)
8786                         iface = last = tmp;
8787                 else
8788                         last->next = tmp;
8789                 while (last->next)
8790                         last = last->next;
8791         }
8792
8793         pos = buf;
8794         end = buf + len;
8795         for (tmp = iface; tmp; tmp = tmp->next) {
8796                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
8797                                   tmp->drv_name, tmp->ifname,
8798                                   tmp->desc ? tmp->desc : "");
8799                 if (os_snprintf_error(end - pos, res)) {
8800                         *pos = '\0';
8801                         break;
8802                 }
8803                 pos += res;
8804         }
8805
8806         wpa_free_iface_info(iface);
8807
8808         return pos - buf;
8809 }
8810
8811
8812 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
8813                                                   char *buf, int len)
8814 {
8815         int res;
8816         char *pos, *end;
8817         struct wpa_supplicant *wpa_s;
8818
8819         wpa_s = global->ifaces;
8820         pos = buf;
8821         end = buf + len;
8822
8823         while (wpa_s) {
8824                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
8825                 if (os_snprintf_error(end - pos, res)) {
8826                         *pos = '\0';
8827                         break;
8828                 }
8829                 pos += res;
8830                 wpa_s = wpa_s->next;
8831         }
8832         return pos - buf;
8833 }
8834
8835
8836 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
8837                                             const char *ifname,
8838                                             char *cmd, size_t *resp_len)
8839 {
8840         struct wpa_supplicant *wpa_s;
8841
8842         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8843                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
8844                         break;
8845         }
8846
8847         if (wpa_s == NULL) {
8848                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
8849                 if (resp)
8850                         *resp_len = os_strlen(resp);
8851                 else
8852                         *resp_len = 1;
8853                 return resp;
8854         }
8855
8856         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
8857 }
8858
8859
8860 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
8861                                                char *buf, size_t *resp_len)
8862 {
8863 #ifdef CONFIG_P2P
8864         static const char * cmd[] = {
8865                 "LIST_NETWORKS",
8866                 "P2P_FIND",
8867                 "P2P_STOP_FIND",
8868                 "P2P_LISTEN",
8869                 "P2P_GROUP_ADD",
8870                 "P2P_GET_PASSPHRASE",
8871                 "P2P_SERVICE_UPDATE",
8872                 "P2P_SERVICE_FLUSH",
8873                 "P2P_FLUSH",
8874                 "P2P_CANCEL",
8875                 "P2P_PRESENCE_REQ",
8876                 "P2P_EXT_LISTEN",
8877                 NULL
8878         };
8879         static const char * prefix[] = {
8880 #ifdef ANDROID
8881                 "DRIVER ",
8882 #endif /* ANDROID */
8883                 "GET_NETWORK ",
8884                 "REMOVE_NETWORK ",
8885                 "P2P_FIND ",
8886                 "P2P_CONNECT ",
8887                 "P2P_LISTEN ",
8888                 "P2P_GROUP_REMOVE ",
8889                 "P2P_GROUP_ADD ",
8890                 "P2P_PROV_DISC ",
8891                 "P2P_SERV_DISC_REQ ",
8892                 "P2P_SERV_DISC_CANCEL_REQ ",
8893                 "P2P_SERV_DISC_RESP ",
8894                 "P2P_SERV_DISC_EXTERNAL ",
8895                 "P2P_SERVICE_ADD ",
8896                 "P2P_SERVICE_DEL ",
8897                 "P2P_SERVICE_REP ",
8898                 "P2P_REJECT ",
8899                 "P2P_INVITE ",
8900                 "P2P_PEER ",
8901                 "P2P_SET ",
8902                 "P2P_UNAUTHORIZE ",
8903                 "P2P_PRESENCE_REQ ",
8904                 "P2P_EXT_LISTEN ",
8905                 "P2P_REMOVE_CLIENT ",
8906                 "WPS_NFC_TOKEN ",
8907                 "WPS_NFC_TAG_READ ",
8908                 "NFC_GET_HANDOVER_SEL ",
8909                 "NFC_GET_HANDOVER_REQ ",
8910                 "NFC_REPORT_HANDOVER ",
8911                 "P2P_ASP_PROVISION ",
8912                 "P2P_ASP_PROVISION_RESP ",
8913                 NULL
8914         };
8915         int found = 0;
8916         int i;
8917
8918         if (global->p2p_init_wpa_s == NULL)
8919                 return NULL;
8920
8921         for (i = 0; !found && cmd[i]; i++) {
8922                 if (os_strcmp(buf, cmd[i]) == 0)
8923                         found = 1;
8924         }
8925
8926         for (i = 0; !found && prefix[i]; i++) {
8927                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
8928                         found = 1;
8929         }
8930
8931         if (found)
8932                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
8933                                                          buf, resp_len);
8934 #endif /* CONFIG_P2P */
8935         return NULL;
8936 }
8937
8938
8939 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
8940                                                char *buf, size_t *resp_len)
8941 {
8942 #ifdef CONFIG_WIFI_DISPLAY
8943         if (global->p2p_init_wpa_s == NULL)
8944                 return NULL;
8945         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
8946             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
8947                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
8948                                                          buf, resp_len);
8949 #endif /* CONFIG_WIFI_DISPLAY */
8950         return NULL;
8951 }
8952
8953
8954 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
8955                                            char *buf, size_t *resp_len)
8956 {
8957         char *ret;
8958
8959         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
8960         if (ret)
8961                 return ret;
8962
8963         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
8964         if (ret)
8965                 return ret;
8966
8967         return NULL;
8968 }
8969
8970
8971 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
8972 {
8973         char *value;
8974
8975         value = os_strchr(cmd, ' ');
8976         if (value == NULL)
8977                 return -1;
8978         *value++ = '\0';
8979
8980         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
8981
8982 #ifdef CONFIG_WIFI_DISPLAY
8983         if (os_strcasecmp(cmd, "wifi_display") == 0) {
8984                 wifi_display_enable(global, !!atoi(value));
8985                 return 0;
8986         }
8987 #endif /* CONFIG_WIFI_DISPLAY */
8988
8989         /* Restore cmd to its original value to allow redirection */
8990         value[-1] = ' ';
8991
8992         return -1;
8993 }
8994
8995
8996 #ifndef CONFIG_NO_CONFIG_WRITE
8997 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
8998 {
8999         int ret = 0, saved = 0;
9000         struct wpa_supplicant *wpa_s;
9001
9002         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9003                 if (!wpa_s->conf->update_config) {
9004                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
9005                         continue;
9006                 }
9007
9008                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
9009                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
9010                         ret = 1;
9011                 } else {
9012                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
9013                         saved++;
9014                 }
9015         }
9016
9017         if (!saved && !ret) {
9018                 wpa_dbg(wpa_s, MSG_DEBUG,
9019                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
9020                 ret = 1;
9021         }
9022
9023         return ret;
9024 }
9025 #endif /* CONFIG_NO_CONFIG_WRITE */
9026
9027
9028 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
9029                                          char *buf, size_t buflen)
9030 {
9031         char *pos, *end;
9032         int ret;
9033         struct wpa_supplicant *wpa_s;
9034
9035         pos = buf;
9036         end = buf + buflen;
9037
9038 #ifdef CONFIG_P2P
9039         if (global->p2p && !global->p2p_disabled) {
9040                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
9041                                   "\n"
9042                                   "p2p_state=%s\n",
9043                                   MAC2STR(global->p2p_dev_addr),
9044                                   p2p_get_state_txt(global->p2p));
9045                 if (os_snprintf_error(end - pos, ret))
9046                         return pos - buf;
9047                 pos += ret;
9048         } else if (global->p2p) {
9049                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
9050                 if (os_snprintf_error(end - pos, ret))
9051                         return pos - buf;
9052                 pos += ret;
9053         }
9054 #endif /* CONFIG_P2P */
9055
9056 #ifdef CONFIG_WIFI_DISPLAY
9057         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
9058                           !!global->wifi_display);
9059         if (os_snprintf_error(end - pos, ret))
9060                 return pos - buf;
9061         pos += ret;
9062 #endif /* CONFIG_WIFI_DISPLAY */
9063
9064         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9065                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
9066                                   "address=" MACSTR "\n",
9067                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
9068                 if (os_snprintf_error(end - pos, ret))
9069                         return pos - buf;
9070                 pos += ret;
9071         }
9072
9073         return pos - buf;
9074 }
9075
9076
9077 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
9078                                                 char *buf, size_t *resp_len)
9079 {
9080         char *reply;
9081         const int reply_size = 2048;
9082         int reply_len;
9083         int level = MSG_DEBUG;
9084
9085         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
9086                 char *pos = os_strchr(buf + 7, ' ');
9087                 if (pos) {
9088                         *pos++ = '\0';
9089                         return wpas_global_ctrl_iface_ifname(global,
9090                                                              buf + 7, pos,
9091                                                              resp_len);
9092                 }
9093         }
9094
9095         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
9096         if (reply)
9097                 return reply;
9098
9099         if (os_strcmp(buf, "PING") == 0)
9100                 level = MSG_EXCESSIVE;
9101         wpa_hexdump_ascii(level, "RX global ctrl_iface",
9102                           (const u8 *) buf, os_strlen(buf));
9103
9104         reply = os_malloc(reply_size);
9105         if (reply == NULL) {
9106                 *resp_len = 1;
9107                 return NULL;
9108         }
9109
9110         os_memcpy(reply, "OK\n", 3);
9111         reply_len = 3;
9112
9113         if (os_strcmp(buf, "PING") == 0) {
9114                 os_memcpy(reply, "PONG\n", 5);
9115                 reply_len = 5;
9116         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
9117                 if (wpa_supplicant_global_iface_add(global, buf + 14))
9118                         reply_len = -1;
9119         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
9120                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
9121                         reply_len = -1;
9122         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
9123                 reply_len = wpa_supplicant_global_iface_list(
9124                         global, reply, reply_size);
9125         } else if (os_strcmp(buf, "INTERFACES") == 0) {
9126                 reply_len = wpa_supplicant_global_iface_interfaces(
9127                         global, reply, reply_size);
9128         } else if (os_strcmp(buf, "TERMINATE") == 0) {
9129                 wpa_supplicant_terminate_proc(global);
9130         } else if (os_strcmp(buf, "SUSPEND") == 0) {
9131                 wpas_notify_suspend(global);
9132         } else if (os_strcmp(buf, "RESUME") == 0) {
9133                 wpas_notify_resume(global);
9134         } else if (os_strncmp(buf, "SET ", 4) == 0) {
9135                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
9136 #ifdef CONFIG_P2P
9137                         if (global->p2p_init_wpa_s) {
9138                                 os_free(reply);
9139                                 /* Check if P2P redirection would work for this
9140                                  * command. */
9141                                 return wpa_supplicant_ctrl_iface_process(
9142                                         global->p2p_init_wpa_s,
9143                                         buf, resp_len);
9144                         }
9145 #endif /* CONFIG_P2P */
9146                         reply_len = -1;
9147                 }
9148 #ifndef CONFIG_NO_CONFIG_WRITE
9149         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
9150                 if (wpas_global_ctrl_iface_save_config(global))
9151                         reply_len = -1;
9152 #endif /* CONFIG_NO_CONFIG_WRITE */
9153         } else if (os_strcmp(buf, "STATUS") == 0) {
9154                 reply_len = wpas_global_ctrl_iface_status(global, reply,
9155                                                           reply_size);
9156 #ifdef CONFIG_MODULE_TESTS
9157         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
9158                 int wpas_module_tests(void);
9159                 if (wpas_module_tests() < 0)
9160                         reply_len = -1;
9161 #endif /* CONFIG_MODULE_TESTS */
9162         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
9163                 if (wpa_debug_reopen_file() < 0)
9164                         reply_len = -1;
9165         } else {
9166                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
9167                 reply_len = 16;
9168         }
9169
9170         if (reply_len < 0) {
9171                 os_memcpy(reply, "FAIL\n", 5);
9172                 reply_len = 5;
9173         }
9174
9175         *resp_len = reply_len;
9176         return reply;
9177 }