wpa_supplicant/ctrl_iface.c

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