wpa_supplicant/ctrl_iface.c

   1 /*
   2  * WPA Supplicant / Control interface (shared code for all backends)
   3  * Copyright (c) 2004-2015, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10 #ifdef CONFIG_TESTING_OPTIONS
  11 #include <net/ethernet.h>
  12 #include <netinet/ip.h>
  13 #endif /* CONFIG_TESTING_OPTIONS */
  14
  15 #include "utils/common.h"
  16 #include "utils/eloop.h"
  17 #include "utils/uuid.h"
  18 #include "common/version.h"
  19 #include "common/ieee802_11_defs.h"
  20 #include "common/ieee802_11_common.h"
  21 #include "common/wpa_ctrl.h"
  22 #include "crypto/tls.h"
  23 #include "ap/hostapd.h"
  24 #include "eap_peer/eap.h"
  25 #include "eapol_supp/eapol_supp_sm.h"
  26 #include "rsn_supp/wpa.h"
  27 #include "rsn_supp/preauth.h"
  28 #include "rsn_supp/pmksa_cache.h"
  29 #include "l2_packet/l2_packet.h"
  30 #include "wps/wps.h"
  31 #include "config.h"
  32 #include "wpa_supplicant_i.h"
  33 #include "driver_i.h"
  34 #include "wps_supplicant.h"
  35 #include "ibss_rsn.h"
  36 #include "ap.h"
  37 #include "p2p_supplicant.h"
  38 #include "p2p/p2p.h"
  39 #include "hs20_supplicant.h"
  40 #include "wifi_display.h"
  41 #include "notify.h"
  42 #include "bss.h"
  43 #include "scan.h"
  44 #include "ctrl_iface.h"
  45 #include "interworking.h"
  46 #include "blacklist.h"
  47 #include "autoscan.h"
  48 #include "wnm_sta.h"
  49 #include "offchannel.h"
  50 #include "drivers/driver.h"
  51 #include "mesh.h"
  52
  53 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
  54                                             char *buf, int len);
  55 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
  56                                                   char *buf, int len);
  57 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
  58                                         char *val);
  59
  60 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
  61 {
  62         char *pos;
  63         u8 addr[ETH_ALEN], *filter = NULL, *n;
  64         size_t count = 0;
  65
  66         pos = val;
  67         while (pos) {
  68                 if (*pos == '\0')
  69                         break;
  70                 if (hwaddr_aton(pos, addr)) {
  71                         os_free(filter);
  72                         return -1;
  73                 }
  74                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
  75                 if (n == NULL) {
  76                         os_free(filter);
  77                         return -1;
  78                 }
  79                 filter = n;
  80                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
  81                 count++;
  82
  83                 pos = os_strchr(pos, ' ');
  84                 if (pos)
  85                         pos++;
  86         }
  87
  88         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
  89         os_free(wpa_s->bssid_filter);
  90         wpa_s->bssid_filter = filter;
  91         wpa_s->bssid_filter_count = count;
  92
  93         return 0;
  94 }
  95
  96
  97 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
  98 {
  99         char *pos;
 100         u8 addr[ETH_ALEN], *bssid = NULL, *n;
 101         struct wpa_ssid_value *ssid = NULL, *ns;
 102         size_t count = 0, ssid_count = 0;
 103         struct wpa_ssid *c;
 104
 105         /*
 106          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
 107          * SSID_SPEC ::= ssid <SSID_HEX>
 108          * BSSID_SPEC ::= bssid <BSSID_HEX>
 109          */
 110
 111         pos = val;
 112         while (pos) {
 113                 if (*pos == '\0')
 114                         break;
 115                 if (os_strncmp(pos, "bssid ", 6) == 0) {
 116                         int res;
 117                         pos += 6;
 118                         res = hwaddr_aton2(pos, addr);
 119                         if (res < 0) {
 120                                 os_free(ssid);
 121                                 os_free(bssid);
 122                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 123                                            "BSSID value '%s'", pos);
 124                                 return -1;
 125                         }
 126                         pos += res;
 127                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
 128                         if (n == NULL) {
 129                                 os_free(ssid);
 130                                 os_free(bssid);
 131                                 return -1;
 132                         }
 133                         bssid = n;
 134                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
 135                         count++;
 136                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
 137                         char *end;
 138                         pos += 5;
 139
 140                         end = pos;
 141                         while (*end) {
 142                                 if (*end == '\0' || *end == ' ')
 143                                         break;
 144                                 end++;
 145                         }
 146
 147                         ns = os_realloc_array(ssid, ssid_count + 1,
 148                                               sizeof(struct wpa_ssid_value));
 149                         if (ns == NULL) {
 150                                 os_free(ssid);
 151                                 os_free(bssid);
 152                                 return -1;
 153                         }
 154                         ssid = ns;
 155
 156                         if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
 157                             hexstr2bin(pos, ssid[ssid_count].ssid,
 158                                        (end - pos) / 2) < 0) {
 159                                 os_free(ssid);
 160                                 os_free(bssid);
 161                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 162                                            "SSID value '%s'", pos);
 163                                 return -1;
 164                         }
 165                         ssid[ssid_count].ssid_len = (end - pos) / 2;
 166                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
 167                                           ssid[ssid_count].ssid,
 168                                           ssid[ssid_count].ssid_len);
 169                         ssid_count++;
 170                         pos = end;
 171                 } else {
 172                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
 173                                    "'%s'", pos);
 174                         os_free(ssid);
 175                         os_free(bssid);
 176                         return -1;
 177                 }
 178
 179                 pos = os_strchr(pos, ' ');
 180                 if (pos)
 181                         pos++;
 182         }
 183
 184         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
 185         os_free(wpa_s->disallow_aps_bssid);
 186         wpa_s->disallow_aps_bssid = bssid;
 187         wpa_s->disallow_aps_bssid_count = count;
 188
 189         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
 190         os_free(wpa_s->disallow_aps_ssid);
 191         wpa_s->disallow_aps_ssid = ssid;
 192         wpa_s->disallow_aps_ssid_count = ssid_count;
 193
 194         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
 195                 return 0;
 196
 197         c = wpa_s->current_ssid;
 198         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
 199                 return 0;
 200
 201         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
 202             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
 203                 return 0;
 204
 205         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
 206                    "because current AP was marked disallowed");
 207
 208 #ifdef CONFIG_SME
 209         wpa_s->sme.prev_bssid_set = 0;
 210 #endif /* CONFIG_SME */
 211         wpa_s->reassociate = 1;
 212         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
 213         wpa_supplicant_req_scan(wpa_s, 0, 0);
 214
 215         return 0;
 216 }
 217
 218
 219 #ifndef CONFIG_NO_CONFIG_BLOBS
 220 static int wpas_ctrl_set_blob(struct wpa_supplicant *wpa_s, char *pos)
 221 {
 222         char *name = pos;
 223         struct wpa_config_blob *blob;
 224         size_t len;
 225
 226         pos = os_strchr(pos, ' ');
 227         if (pos == NULL)
 228                 return -1;
 229         *pos++ = '\0';
 230         len = os_strlen(pos);
 231         if (len & 1)
 232                 return -1;
 233
 234         wpa_printf(MSG_DEBUG, "CTRL: Set blob '%s'", name);
 235         blob = os_zalloc(sizeof(*blob));
 236         if (blob == NULL)
 237                 return -1;
 238         blob->name = os_strdup(name);
 239         blob->data = os_malloc(len / 2);
 240         if (blob->name == NULL || blob->data == NULL) {
 241                 wpa_config_free_blob(blob);
 242                 return -1;
 243         }
 244
 245         if (hexstr2bin(pos, blob->data, len / 2) < 0) {
 246                 wpa_printf(MSG_DEBUG, "CTRL: Invalid blob hex data");
 247                 wpa_config_free_blob(blob);
 248                 return -1;
 249         }
 250         blob->len = len / 2;
 251
 252         wpa_config_set_blob(wpa_s->conf, blob);
 253
 254         return 0;
 255 }
 256 #endif /* CONFIG_NO_CONFIG_BLOBS */
 257
 258
 259 static int wpas_ctrl_pno(struct wpa_supplicant *wpa_s, char *cmd)
 260 {
 261         char *params;
 262         char *pos;
 263         int *freqs = NULL;
 264         int ret;
 265
 266         if (atoi(cmd)) {
 267                 params = os_strchr(cmd, ' ');
 268                 os_free(wpa_s->manual_sched_scan_freqs);
 269                 if (params) {
 270                         params++;
 271                         pos = os_strstr(params, "freq=");
 272                         if (pos)
 273                                 freqs = freq_range_to_channel_list(wpa_s,
 274                                                                    pos + 5);
 275                 }
 276                 wpa_s->manual_sched_scan_freqs = freqs;
 277                 ret = wpas_start_pno(wpa_s);
 278         } else {
 279                 ret = wpas_stop_pno(wpa_s);
 280         }
 281         return ret;
 282 }
 283
 284
 285 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
 286                                          char *cmd)
 287 {
 288         char *value;
 289         int ret = 0;
 290
 291         value = os_strchr(cmd, ' ');
 292         if (value == NULL)
 293                 return -1;
 294         *value++ = '\0';
 295
 296         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
 297         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
 298                 eapol_sm_configure(wpa_s->eapol,
 299                                    atoi(value), -1, -1, -1);
 300         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
 301                 eapol_sm_configure(wpa_s->eapol,
 302                                    -1, atoi(value), -1, -1);
 303         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
 304                 eapol_sm_configure(wpa_s->eapol,
 305                                    -1, -1, atoi(value), -1);
 306         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
 307                 eapol_sm_configure(wpa_s->eapol,
 308                                    -1, -1, -1, atoi(value));
 309         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
 310                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
 311                                      atoi(value)))
 312                         ret = -1;
 313         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
 314                    0) {
 315                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
 316                                      atoi(value)))
 317                         ret = -1;
 318         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
 319                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
 320                         ret = -1;
 321         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
 322                 wpa_s->wps_fragment_size = atoi(value);
 323 #ifdef CONFIG_WPS_TESTING
 324         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
 325                 long int val;
 326                 val = strtol(value, NULL, 0);
 327                 if (val < 0 || val > 0xff) {
 328                         ret = -1;
 329                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
 330                                    "wps_version_number %ld", val);
 331                 } else {
 332                         wps_version_number = val;
 333                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
 334                                    "version %u.%u",
 335                                    (wps_version_number & 0xf0) >> 4,
 336                                    wps_version_number & 0x0f);
 337                 }
 338         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
 339                 wps_testing_dummy_cred = atoi(value);
 340                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
 341                            wps_testing_dummy_cred);
 342         } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
 343                 wps_corrupt_pkhash = atoi(value);
 344                 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
 345                            wps_corrupt_pkhash);
 346 #endif /* CONFIG_WPS_TESTING */
 347         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
 348                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
 349                         ret = -1;
 350 #ifdef CONFIG_TDLS
 351 #ifdef CONFIG_TDLS_TESTING
 352         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
 353                 extern unsigned int tdls_testing;
 354                 tdls_testing = strtol(value, NULL, 0);
 355                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
 356 #endif /* CONFIG_TDLS_TESTING */
 357         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
 358                 int disabled = atoi(value);
 359                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
 360                 if (disabled) {
 361                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
 362                                 ret = -1;
 363                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
 364                         ret = -1;
 365                 wpa_tdls_enable(wpa_s->wpa, !disabled);
 366 #endif /* CONFIG_TDLS */
 367         } else if (os_strcasecmp(cmd, "pno") == 0) {
 368                 ret = wpas_ctrl_pno(wpa_s, value);
 369         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
 370                 int disabled = atoi(value);
 371                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
 372                         ret = -1;
 373                 else if (disabled)
 374                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
 375         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
 376                 if (os_strcmp(value, "disable") == 0)
 377                         wpa_s->set_sta_uapsd = 0;
 378                 else {
 379                         int be, bk, vi, vo;
 380                         char *pos;
 381                         /* format: BE,BK,VI,VO;max SP Length */
 382                         be = atoi(value);
 383                         pos = os_strchr(value, ',');
 384                         if (pos == NULL)
 385                                 return -1;
 386                         pos++;
 387                         bk = atoi(pos);
 388                         pos = os_strchr(pos, ',');
 389                         if (pos == NULL)
 390                                 return -1;
 391                         pos++;
 392                         vi = atoi(pos);
 393                         pos = os_strchr(pos, ',');
 394                         if (pos == NULL)
 395                                 return -1;
 396                         pos++;
 397                         vo = atoi(pos);
 398                         /* ignore max SP Length for now */
 399
 400                         wpa_s->set_sta_uapsd = 1;
 401                         wpa_s->sta_uapsd = 0;
 402                         if (be)
 403                                 wpa_s->sta_uapsd |= BIT(0);
 404                         if (bk)
 405                                 wpa_s->sta_uapsd |= BIT(1);
 406                         if (vi)
 407                                 wpa_s->sta_uapsd |= BIT(2);
 408                         if (vo)
 409                                 wpa_s->sta_uapsd |= BIT(3);
 410                 }
 411         } else if (os_strcasecmp(cmd, "ps") == 0) {
 412                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
 413 #ifdef CONFIG_WIFI_DISPLAY
 414         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 415                 int enabled = !!atoi(value);
 416                 if (enabled && !wpa_s->global->p2p)
 417                         ret = -1;
 418                 else
 419                         wifi_display_enable(wpa_s->global, enabled);
 420 #endif /* CONFIG_WIFI_DISPLAY */
 421         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
 422                 ret = set_bssid_filter(wpa_s, value);
 423         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
 424                 ret = set_disallow_aps(wpa_s, value);
 425         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
 426                 wpa_s->no_keep_alive = !!atoi(value);
 427 #ifdef CONFIG_TESTING_OPTIONS
 428         } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
 429                 wpa_s->ext_mgmt_frame_handling = !!atoi(value);
 430         } else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
 431                 wpa_s->ext_eapol_frame_io = !!atoi(value);
 432 #ifdef CONFIG_AP
 433                 if (wpa_s->ap_iface) {
 434                         wpa_s->ap_iface->bss[0]->ext_eapol_frame_io =
 435                                 wpa_s->ext_eapol_frame_io;
 436                 }
 437 #endif /* CONFIG_AP */
 438         } else if (os_strcasecmp(cmd, "extra_roc_dur") == 0) {
 439                 wpa_s->extra_roc_dur = atoi(value);
 440         } else if (os_strcasecmp(cmd, "test_failure") == 0) {
 441                 wpa_s->test_failure = atoi(value);
 442 #endif /* CONFIG_TESTING_OPTIONS */
 443 #ifndef CONFIG_NO_CONFIG_BLOBS
 444         } else if (os_strcmp(cmd, "blob") == 0) {
 445                 ret = wpas_ctrl_set_blob(wpa_s, value);
 446 #endif /* CONFIG_NO_CONFIG_BLOBS */
 447         } else if (os_strcasecmp(cmd, "setband") == 0) {
 448                 if (os_strcmp(value, "AUTO") == 0)
 449                         wpa_s->setband = WPA_SETBAND_AUTO;
 450                 else if (os_strcmp(value, "5G") == 0)
 451                         wpa_s->setband = WPA_SETBAND_5G;
 452                 else if (os_strcmp(value, "2G") == 0)
 453                         wpa_s->setband = WPA_SETBAND_2G;
 454                 else
 455                         ret = -1;
 456         } else {
 457                 value[-1] = '=';
 458                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
 459                 if (ret == 0)
 460                         wpa_supplicant_update_config(wpa_s);
 461         }
 462
 463         return ret;
 464 }
 465
 466
 467 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
 468                                          char *cmd, char *buf, size_t buflen)
 469 {
 470         int res = -1;
 471
 472         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
 473
 474         if (os_strcmp(cmd, "version") == 0) {
 475                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
 476         } else if (os_strcasecmp(cmd, "country") == 0) {
 477                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
 478                         res = os_snprintf(buf, buflen, "%c%c",
 479                                           wpa_s->conf->country[0],
 480                                           wpa_s->conf->country[1]);
 481 #ifdef CONFIG_WIFI_DISPLAY
 482         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 483                 int enabled;
 484                 if (wpa_s->global->p2p == NULL ||
 485                     wpa_s->global->p2p_disabled)
 486                         enabled = 0;
 487                 else
 488                         enabled = wpa_s->global->wifi_display;
 489                 res = os_snprintf(buf, buflen, "%d", enabled);
 490 #endif /* CONFIG_WIFI_DISPLAY */
 491 #ifdef CONFIG_TESTING_GET_GTK
 492         } else if (os_strcmp(cmd, "gtk") == 0) {
 493                 if (wpa_s->last_gtk_len == 0)
 494                         return -1;
 495                 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
 496                                        wpa_s->last_gtk_len);
 497                 return res;
 498 #endif /* CONFIG_TESTING_GET_GTK */
 499         } else if (os_strcmp(cmd, "tls_library") == 0) {
 500                 res = tls_get_library_version(buf, buflen);
 501         }
 502
 503         if (os_snprintf_error(buflen, res))
 504                 return -1;
 505         return res;
 506 }
 507
 508
 509 #ifdef IEEE8021X_EAPOL
 510 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
 511                                              char *addr)
 512 {
 513         u8 bssid[ETH_ALEN];
 514         struct wpa_ssid *ssid = wpa_s->current_ssid;
 515
 516         if (hwaddr_aton(addr, bssid)) {
 517                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
 518                            "'%s'", addr);
 519                 return -1;
 520         }
 521
 522         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
 523         rsn_preauth_deinit(wpa_s->wpa);
 524         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
 525                 return -1;
 526
 527         return 0;
 528 }
 529 #endif /* IEEE8021X_EAPOL */
 530
 531
 532 #ifdef CONFIG_PEERKEY
 533 /* MLME-STKSTART.request(peer) */
 534 static int wpa_supplicant_ctrl_iface_stkstart(
 535         struct wpa_supplicant *wpa_s, char *addr)
 536 {
 537         u8 peer[ETH_ALEN];
 538
 539         if (hwaddr_aton(addr, peer)) {
 540                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
 541                            "address '%s'", addr);
 542                 return -1;
 543         }
 544
 545         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
 546                    MAC2STR(peer));
 547
 548         return wpa_sm_stkstart(wpa_s->wpa, peer);
 549 }
 550 #endif /* CONFIG_PEERKEY */
 551
 552
 553 #ifdef CONFIG_TDLS
 554
 555 static int wpa_supplicant_ctrl_iface_tdls_discover(
 556         struct wpa_supplicant *wpa_s, char *addr)
 557 {
 558         u8 peer[ETH_ALEN];
 559         int ret;
 560
 561         if (hwaddr_aton(addr, peer)) {
 562                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
 563                            "address '%s'", addr);
 564                 return -1;
 565         }
 566
 567         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
 568                    MAC2STR(peer));
 569
 570         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 571                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
 572         else
 573                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
 574
 575         return ret;
 576 }
 577
 578
 579 static int wpa_supplicant_ctrl_iface_tdls_setup(
 580         struct wpa_supplicant *wpa_s, char *addr)
 581 {
 582         u8 peer[ETH_ALEN];
 583         int ret;
 584
 585         if (hwaddr_aton(addr, peer)) {
 586                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
 587                            "address '%s'", addr);
 588                 return -1;
 589         }
 590
 591         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
 592                    MAC2STR(peer));
 593
 594         if ((wpa_s->conf->tdls_external_control) &&
 595             wpa_tdls_is_external_setup(wpa_s->wpa))
 596                 return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 597
 598         wpa_tdls_remove(wpa_s->wpa, peer);
 599
 600         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 601                 ret = wpa_tdls_start(wpa_s->wpa, peer);
 602         else
 603                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 604
 605         return ret;
 606 }
 607
 608
 609 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 610         struct wpa_supplicant *wpa_s, char *addr)
 611 {
 612         u8 peer[ETH_ALEN];
 613         int ret;
 614
 615         if (os_strcmp(addr, "*") == 0) {
 616                 /* remove everyone */
 617                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN *");
 618                 wpa_tdls_teardown_peers(wpa_s->wpa);
 619                 return 0;
 620         }
 621
 622         if (hwaddr_aton(addr, peer)) {
 623                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 624                            "address '%s'", addr);
 625                 return -1;
 626         }
 627
 628         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 629                    MAC2STR(peer));
 630
 631         if ((wpa_s->conf->tdls_external_control) &&
 632             wpa_tdls_is_external_setup(wpa_s->wpa))
 633                 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 634
 635         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 636                 ret = wpa_tdls_teardown_link(
 637                         wpa_s->wpa, peer,
 638                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 639         else
 640                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 641
 642         return ret;
 643 }
 644
 645
 646 static int ctrl_iface_get_capability_tdls(
 647         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
 648 {
 649         int ret;
 650
 651         ret = os_snprintf(buf, buflen, "%s\n",
 652                           wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
 653                           (wpa_s->drv_flags &
 654                            WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
 655                            "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
 656         if (os_snprintf_error(buflen, ret))
 657                 return -1;
 658         return ret;
 659 }
 660
 661
 662 static int wpa_supplicant_ctrl_iface_tdls_chan_switch(
 663         struct wpa_supplicant *wpa_s, char *cmd)
 664 {
 665         u8 peer[ETH_ALEN];
 666         struct hostapd_freq_params freq_params;
 667         u8 oper_class;
 668         char *pos, *end;
 669
 670         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
 671                 wpa_printf(MSG_INFO,
 672                            "tdls_chanswitch: Only supported with external setup");
 673                 return -1;
 674         }
 675
 676         os_memset(&freq_params, 0, sizeof(freq_params));
 677
 678         pos = os_strchr(cmd, ' ');
 679         if (pos == NULL)
 680                 return -1;
 681         *pos++ = '\0';
 682
 683         oper_class = strtol(pos, &end, 10);
 684         if (pos == end) {
 685                 wpa_printf(MSG_INFO,
 686                            "tdls_chanswitch: Invalid op class provided");
 687                 return -1;
 688         }
 689
 690         pos = end;
 691         freq_params.freq = atoi(pos);
 692         if (freq_params.freq == 0) {
 693                 wpa_printf(MSG_INFO, "tdls_chanswitch: Invalid freq provided");
 694                 return -1;
 695         }
 696
 697 #define SET_FREQ_SETTING(str) \
 698         do { \
 699                 const char *pos2 = os_strstr(pos, " " #str "="); \
 700                 if (pos2) { \
 701                         pos2 += sizeof(" " #str "=") - 1; \
 702                         freq_params.str = atoi(pos2); \
 703                 } \
 704         } while (0)
 705
 706         SET_FREQ_SETTING(center_freq1);
 707         SET_FREQ_SETTING(center_freq2);
 708         SET_FREQ_SETTING(bandwidth);
 709         SET_FREQ_SETTING(sec_channel_offset);
 710 #undef SET_FREQ_SETTING
 711
 712         freq_params.ht_enabled = !!os_strstr(pos, " ht");
 713         freq_params.vht_enabled = !!os_strstr(pos, " vht");
 714
 715         if (hwaddr_aton(cmd, peer)) {
 716                 wpa_printf(MSG_DEBUG,
 717                            "CTRL_IFACE TDLS_CHAN_SWITCH: Invalid address '%s'",
 718                            cmd);
 719                 return -1;
 720         }
 721
 722         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CHAN_SWITCH " MACSTR
 723                    " OP CLASS %d FREQ %d CENTER1 %d CENTER2 %d BW %d SEC_OFFSET %d%s%s",
 724                    MAC2STR(peer), oper_class, freq_params.freq,
 725                    freq_params.center_freq1, freq_params.center_freq2,
 726                    freq_params.bandwidth, freq_params.sec_channel_offset,
 727                    freq_params.ht_enabled ? " HT" : "",
 728                    freq_params.vht_enabled ? " VHT" : "");
 729
 730         return wpa_tdls_enable_chan_switch(wpa_s->wpa, peer, oper_class,
 731                                            &freq_params);
 732 }
 733
 734
 735 static int wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(
 736         struct wpa_supplicant *wpa_s, char *cmd)
 737 {
 738         u8 peer[ETH_ALEN];
 739
 740         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
 741                 wpa_printf(MSG_INFO,
 742                            "tdls_chanswitch: Only supported with external setup");
 743                 return -1;
 744         }
 745
 746         if (hwaddr_aton(cmd, peer)) {
 747                 wpa_printf(MSG_DEBUG,
 748                            "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH: Invalid address '%s'",
 749                            cmd);
 750                 return -1;
 751         }
 752
 753         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH " MACSTR,
 754                    MAC2STR(peer));
 755
 756         return wpa_tdls_disable_chan_switch(wpa_s->wpa, peer);
 757 }
 758
 759 #endif /* CONFIG_TDLS */
 760
 761
 762 static int wmm_ac_ctrl_addts(struct wpa_supplicant *wpa_s, char *cmd)
 763 {
 764         char *token, *context = NULL;
 765         struct wmm_ac_ts_setup_params params = {
 766                 .tsid = 0xff,
 767                 .direction = 0xff,
 768         };
 769
 770         while ((token = str_token(cmd, " ", &context))) {
 771                 if (sscanf(token, "tsid=%i", &params.tsid) == 1 ||
 772                     sscanf(token, "up=%i", &params.user_priority) == 1 ||
 773                     sscanf(token, "nominal_msdu_size=%i",
 774                            &params.nominal_msdu_size) == 1 ||
 775                     sscanf(token, "mean_data_rate=%i",
 776                            &params.mean_data_rate) == 1 ||
 777                     sscanf(token, "min_phy_rate=%i",
 778                            &params.minimum_phy_rate) == 1 ||
 779                     sscanf(token, "sba=%i",
 780                            &params.surplus_bandwidth_allowance) == 1)
 781                         continue;
 782
 783                 if (os_strcasecmp(token, "downlink") == 0) {
 784                         params.direction = WMM_TSPEC_DIRECTION_DOWNLINK;
 785                 } else if (os_strcasecmp(token, "uplink") == 0) {
 786                         params.direction = WMM_TSPEC_DIRECTION_UPLINK;
 787                 } else if (os_strcasecmp(token, "bidi") == 0) {
 788                         params.direction = WMM_TSPEC_DIRECTION_BI_DIRECTIONAL;
 789                 } else if (os_strcasecmp(token, "fixed_nominal_msdu") == 0) {
 790                         params.fixed_nominal_msdu = 1;
 791                 } else {
 792                         wpa_printf(MSG_DEBUG,
 793                                    "CTRL: Invalid WMM_AC_ADDTS parameter: '%s'",
 794                                    token);
 795                         return -1;
 796                 }
 797
 798         }
 799
 800         return wpas_wmm_ac_addts(wpa_s, &params);
 801 }
 802
 803
 804 static int wmm_ac_ctrl_delts(struct wpa_supplicant *wpa_s, char *cmd)
 805 {
 806         u8 tsid = atoi(cmd);
 807
 808         return wpas_wmm_ac_delts(wpa_s, tsid);
 809 }
 810
 811
 812 #ifdef CONFIG_IEEE80211R
 813 static int wpa_supplicant_ctrl_iface_ft_ds(
 814         struct wpa_supplicant *wpa_s, char *addr)
 815 {
 816         u8 target_ap[ETH_ALEN];
 817         struct wpa_bss *bss;
 818         const u8 *mdie;
 819
 820         if (hwaddr_aton(addr, target_ap)) {
 821                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 822                            "address '%s'", addr);
 823                 return -1;
 824         }
 825
 826         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 827
 828         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 829         if (bss)
 830                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 831         else
 832                 mdie = NULL;
 833
 834         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 835 }
 836 #endif /* CONFIG_IEEE80211R */
 837
 838
 839 #ifdef CONFIG_WPS
 840 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 841                                              char *cmd)
 842 {
 843         u8 bssid[ETH_ALEN], *_bssid = bssid;
 844 #ifdef CONFIG_P2P
 845         u8 p2p_dev_addr[ETH_ALEN];
 846 #endif /* CONFIG_P2P */
 847 #ifdef CONFIG_AP
 848         u8 *_p2p_dev_addr = NULL;
 849 #endif /* CONFIG_AP */
 850
 851         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 852                 _bssid = NULL;
 853 #ifdef CONFIG_P2P
 854         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 855                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 856                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 857                                    "P2P Device Address '%s'",
 858                                    cmd + 13);
 859                         return -1;
 860                 }
 861                 _p2p_dev_addr = p2p_dev_addr;
 862 #endif /* CONFIG_P2P */
 863         } else if (hwaddr_aton(cmd, bssid)) {
 864                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 865                            cmd);
 866                 return -1;
 867         }
 868
 869 #ifdef CONFIG_AP
 870         if (wpa_s->ap_iface)
 871                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 872 #endif /* CONFIG_AP */
 873
 874         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 875 }
 876
 877
 878 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 879                                              char *cmd, char *buf,
 880                                              size_t buflen)
 881 {
 882         u8 bssid[ETH_ALEN], *_bssid = bssid;
 883         char *pin;
 884         int ret;
 885
 886         pin = os_strchr(cmd, ' ');
 887         if (pin)
 888                 *pin++ = '\0';
 889
 890         if (os_strcmp(cmd, "any") == 0)
 891                 _bssid = NULL;
 892         else if (os_strcmp(cmd, "get") == 0) {
 893                 ret = wps_generate_pin();
 894                 goto done;
 895         } else if (hwaddr_aton(cmd, bssid)) {
 896                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 897                            cmd);
 898                 return -1;
 899         }
 900
 901 #ifdef CONFIG_AP
 902         if (wpa_s->ap_iface) {
 903                 int timeout = 0;
 904                 char *pos;
 905
 906                 if (pin) {
 907                         pos = os_strchr(pin, ' ');
 908                         if (pos) {
 909                                 *pos++ = '\0';
 910                                 timeout = atoi(pos);
 911                         }
 912                 }
 913
 914                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 915                                                  buf, buflen, timeout);
 916         }
 917 #endif /* CONFIG_AP */
 918
 919         if (pin) {
 920                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 921                                          DEV_PW_DEFAULT);
 922                 if (ret < 0)
 923                         return -1;
 924                 ret = os_snprintf(buf, buflen, "%s", pin);
 925                 if (os_snprintf_error(buflen, ret))
 926                         return -1;
 927                 return ret;
 928         }
 929
 930         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 931         if (ret < 0)
 932                 return -1;
 933
 934 done:
 935         /* Return the generated PIN */
 936         ret = os_snprintf(buf, buflen, "%08d", ret);
 937         if (os_snprintf_error(buflen, ret))
 938                 return -1;
 939         return ret;
 940 }
 941
 942
 943 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 944         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 945 {
 946         char pin[9];
 947         size_t len;
 948         char *pos;
 949         int ret;
 950
 951         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
 952                               (u8 *) cmd, os_strlen(cmd));
 953         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
 954                 if (*pos < '0' || *pos > '9')
 955                         continue;
 956                 pin[len++] = *pos;
 957                 if (len == 9) {
 958                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
 959                         return -1;
 960                 }
 961         }
 962         if (len != 4 && len != 8) {
 963                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
 964                 return -1;
 965         }
 966         pin[len] = '\0';
 967
 968         if (len == 8) {
 969                 unsigned int pin_val;
 970                 pin_val = atoi(pin);
 971                 if (!wps_pin_valid(pin_val)) {
 972                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
 973                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
 974                         if (os_snprintf_error(buflen, ret))
 975                                 return -1;
 976                         return ret;
 977                 }
 978         }
 979
 980         ret = os_snprintf(buf, buflen, "%s", pin);
 981         if (os_snprintf_error(buflen, ret))
 982                 return -1;
 983
 984         return ret;
 985 }
 986
 987
 988 #ifdef CONFIG_WPS_NFC
 989
 990 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
 991                                              char *cmd)
 992 {
 993         u8 bssid[ETH_ALEN], *_bssid = bssid;
 994
 995         if (cmd == NULL || cmd[0] == '\0')
 996                 _bssid = NULL;
 997         else if (hwaddr_aton(cmd, bssid))
 998                 return -1;
 999
1000         return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
1001                                   0, 0);
1002 }
1003
1004
1005 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
1006         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1007 {
1008         int ndef;
1009         struct wpabuf *buf;
1010         int res;
1011         char *pos;
1012
1013         pos = os_strchr(cmd, ' ');
1014         if (pos)
1015                 *pos++ = '\0';
1016         if (os_strcmp(cmd, "WPS") == 0)
1017                 ndef = 0;
1018         else if (os_strcmp(cmd, "NDEF") == 0)
1019                 ndef = 1;
1020         else
1021                 return -1;
1022
1023         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
1024         if (buf == NULL)
1025                 return -1;
1026
1027         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1028                                          wpabuf_len(buf));
1029         reply[res++] = '\n';
1030         reply[res] = '\0';
1031
1032         wpabuf_free(buf);
1033
1034         return res;
1035 }
1036
1037
1038 static int wpa_supplicant_ctrl_iface_wps_nfc_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
1045         if (os_strcmp(cmd, "WPS") == 0)
1046                 ndef = 0;
1047         else if (os_strcmp(cmd, "NDEF") == 0)
1048                 ndef = 1;
1049         else
1050                 return -1;
1051
1052         buf = wpas_wps_nfc_token(wpa_s, ndef);
1053         if (buf == NULL)
1054                 return -1;
1055
1056         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1057                                          wpabuf_len(buf));
1058         reply[res++] = '\n';
1059         reply[res] = '\0';
1060
1061         wpabuf_free(buf);
1062
1063         return res;
1064 }
1065
1066
1067 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
1068         struct wpa_supplicant *wpa_s, char *pos)
1069 {
1070         size_t len;
1071         struct wpabuf *buf;
1072         int ret;
1073         char *freq;
1074         int forced_freq = 0;
1075
1076         freq = strstr(pos, " freq=");
1077         if (freq) {
1078                 *freq = '\0';
1079                 freq += 6;
1080                 forced_freq = atoi(freq);
1081         }
1082
1083         len = os_strlen(pos);
1084         if (len & 0x01)
1085                 return -1;
1086         len /= 2;
1087
1088         buf = wpabuf_alloc(len);
1089         if (buf == NULL)
1090                 return -1;
1091         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
1092                 wpabuf_free(buf);
1093                 return -1;
1094         }
1095
1096         ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
1097         wpabuf_free(buf);
1098
1099         return ret;
1100 }
1101
1102
1103 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
1104                                               char *reply, size_t max_len,
1105                                               int ndef)
1106 {
1107         struct wpabuf *buf;
1108         int res;
1109
1110         buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
1111         if (buf == NULL)
1112                 return -1;
1113
1114         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1115                                          wpabuf_len(buf));
1116         reply[res++] = '\n';
1117         reply[res] = '\0';
1118
1119         wpabuf_free(buf);
1120
1121         return res;
1122 }
1123
1124
1125 #ifdef CONFIG_P2P
1126 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
1127                                               char *reply, size_t max_len,
1128                                               int ndef)
1129 {
1130         struct wpabuf *buf;
1131         int res;
1132
1133         buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
1134         if (buf == NULL) {
1135                 wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
1136                 return -1;
1137         }
1138
1139         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1140                                          wpabuf_len(buf));
1141         reply[res++] = '\n';
1142         reply[res] = '\0';
1143
1144         wpabuf_free(buf);
1145
1146         return res;
1147 }
1148 #endif /* CONFIG_P2P */
1149
1150
1151 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
1152                                           char *cmd, char *reply,
1153                                           size_t max_len)
1154 {
1155         char *pos;
1156         int ndef;
1157
1158         pos = os_strchr(cmd, ' ');
1159         if (pos == NULL)
1160                 return -1;
1161         *pos++ = '\0';
1162
1163         if (os_strcmp(cmd, "WPS") == 0)
1164                 ndef = 0;
1165         else if (os_strcmp(cmd, "NDEF") == 0)
1166                 ndef = 1;
1167         else
1168                 return -1;
1169
1170         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1171                 if (!ndef)
1172                         return -1;
1173                 return wpas_ctrl_nfc_get_handover_req_wps(
1174                         wpa_s, reply, max_len, ndef);
1175         }
1176
1177 #ifdef CONFIG_P2P
1178         if (os_strcmp(pos, "P2P-CR") == 0) {
1179                 return wpas_ctrl_nfc_get_handover_req_p2p(
1180                         wpa_s, reply, max_len, ndef);
1181         }
1182 #endif /* CONFIG_P2P */
1183
1184         return -1;
1185 }
1186
1187
1188 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1189                                               char *reply, size_t max_len,
1190                                               int ndef, int cr, char *uuid)
1191 {
1192         struct wpabuf *buf;
1193         int res;
1194
1195         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1196         if (buf == NULL)
1197                 return -1;
1198
1199         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1200                                          wpabuf_len(buf));
1201         reply[res++] = '\n';
1202         reply[res] = '\0';
1203
1204         wpabuf_free(buf);
1205
1206         return res;
1207 }
1208
1209
1210 #ifdef CONFIG_P2P
1211 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1212                                               char *reply, size_t max_len,
1213                                               int ndef, int tag)
1214 {
1215         struct wpabuf *buf;
1216         int res;
1217
1218         buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1219         if (buf == NULL)
1220                 return -1;
1221
1222         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1223                                          wpabuf_len(buf));
1224         reply[res++] = '\n';
1225         reply[res] = '\0';
1226
1227         wpabuf_free(buf);
1228
1229         return res;
1230 }
1231 #endif /* CONFIG_P2P */
1232
1233
1234 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1235                                           char *cmd, char *reply,
1236                                           size_t max_len)
1237 {
1238         char *pos, *pos2;
1239         int ndef;
1240
1241         pos = os_strchr(cmd, ' ');
1242         if (pos == NULL)
1243                 return -1;
1244         *pos++ = '\0';
1245
1246         if (os_strcmp(cmd, "WPS") == 0)
1247                 ndef = 0;
1248         else if (os_strcmp(cmd, "NDEF") == 0)
1249                 ndef = 1;
1250         else
1251                 return -1;
1252
1253         pos2 = os_strchr(pos, ' ');
1254         if (pos2)
1255                 *pos2++ = '\0';
1256         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1257                 if (!ndef)
1258                         return -1;
1259                 return wpas_ctrl_nfc_get_handover_sel_wps(
1260                         wpa_s, reply, max_len, ndef,
1261                         os_strcmp(pos, "WPS-CR") == 0, pos2);
1262         }
1263
1264 #ifdef CONFIG_P2P
1265         if (os_strcmp(pos, "P2P-CR") == 0) {
1266                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1267                         wpa_s, reply, max_len, ndef, 0);
1268         }
1269
1270         if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1271                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1272                         wpa_s, reply, max_len, ndef, 1);
1273         }
1274 #endif /* CONFIG_P2P */
1275
1276         return -1;
1277 }
1278
1279
1280 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1281                                          char *cmd)
1282 {
1283         size_t len;
1284         struct wpabuf *req, *sel;
1285         int ret;
1286         char *pos, *role, *type, *pos2;
1287 #ifdef CONFIG_P2P
1288         char *freq;
1289         int forced_freq = 0;
1290
1291         freq = strstr(cmd, " freq=");
1292         if (freq) {
1293                 *freq = '\0';
1294                 freq += 6;
1295                 forced_freq = atoi(freq);
1296         }
1297 #endif /* CONFIG_P2P */
1298
1299         role = cmd;
1300         pos = os_strchr(role, ' ');
1301         if (pos == NULL) {
1302                 wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1303                 return -1;
1304         }
1305         *pos++ = '\0';
1306
1307         type = pos;
1308         pos = os_strchr(type, ' ');
1309         if (pos == NULL) {
1310                 wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1311                 return -1;
1312         }
1313         *pos++ = '\0';
1314
1315         pos2 = os_strchr(pos, ' ');
1316         if (pos2 == NULL) {
1317                 wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1318                 return -1;
1319         }
1320         *pos2++ = '\0';
1321
1322         len = os_strlen(pos);
1323         if (len & 0x01) {
1324                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1325                 return -1;
1326         }
1327         len /= 2;
1328
1329         req = wpabuf_alloc(len);
1330         if (req == NULL) {
1331                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1332                 return -1;
1333         }
1334         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1335                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1336                 wpabuf_free(req);
1337                 return -1;
1338         }
1339
1340         len = os_strlen(pos2);
1341         if (len & 0x01) {
1342                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1343                 wpabuf_free(req);
1344                 return -1;
1345         }
1346         len /= 2;
1347
1348         sel = wpabuf_alloc(len);
1349         if (sel == NULL) {
1350                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1351                 wpabuf_free(req);
1352                 return -1;
1353         }
1354         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1355                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1356                 wpabuf_free(req);
1357                 wpabuf_free(sel);
1358                 return -1;
1359         }
1360
1361         wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1362                    role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1363
1364         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1365                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1366 #ifdef CONFIG_AP
1367         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1368         {
1369                 ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1370                 if (ret < 0)
1371                         ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1372 #endif /* CONFIG_AP */
1373 #ifdef CONFIG_P2P
1374         } else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1375         {
1376                 ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1377         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1378         {
1379                 ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1380                                                    forced_freq);
1381 #endif /* CONFIG_P2P */
1382         } else {
1383                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1384                            "reported: role=%s type=%s", role, type);
1385                 ret = -1;
1386         }
1387         wpabuf_free(req);
1388         wpabuf_free(sel);
1389
1390         if (ret)
1391                 wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1392
1393         return ret;
1394 }
1395
1396 #endif /* CONFIG_WPS_NFC */
1397
1398
1399 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1400                                              char *cmd)
1401 {
1402         u8 bssid[ETH_ALEN];
1403         char *pin;
1404         char *new_ssid;
1405         char *new_auth;
1406         char *new_encr;
1407         char *new_key;
1408         struct wps_new_ap_settings ap;
1409
1410         pin = os_strchr(cmd, ' ');
1411         if (pin == NULL)
1412                 return -1;
1413         *pin++ = '\0';
1414
1415         if (hwaddr_aton(cmd, bssid)) {
1416                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1417                            cmd);
1418                 return -1;
1419         }
1420
1421         new_ssid = os_strchr(pin, ' ');
1422         if (new_ssid == NULL)
1423                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1424         *new_ssid++ = '\0';
1425
1426         new_auth = os_strchr(new_ssid, ' ');
1427         if (new_auth == NULL)
1428                 return -1;
1429         *new_auth++ = '\0';
1430
1431         new_encr = os_strchr(new_auth, ' ');
1432         if (new_encr == NULL)
1433                 return -1;
1434         *new_encr++ = '\0';
1435
1436         new_key = os_strchr(new_encr, ' ');
1437         if (new_key == NULL)
1438                 return -1;
1439         *new_key++ = '\0';
1440
1441         os_memset(&ap, 0, sizeof(ap));
1442         ap.ssid_hex = new_ssid;
1443         ap.auth = new_auth;
1444         ap.encr = new_encr;
1445         ap.key_hex = new_key;
1446         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1447 }
1448
1449
1450 #ifdef CONFIG_AP
1451 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1452                                                 char *cmd, char *buf,
1453                                                 size_t buflen)
1454 {
1455         int timeout = 300;
1456         char *pos;
1457         const char *pin_txt;
1458
1459         if (!wpa_s->ap_iface)
1460                 return -1;
1461
1462         pos = os_strchr(cmd, ' ');
1463         if (pos)
1464                 *pos++ = '\0';
1465
1466         if (os_strcmp(cmd, "disable") == 0) {
1467                 wpas_wps_ap_pin_disable(wpa_s);
1468                 return os_snprintf(buf, buflen, "OK\n");
1469         }
1470
1471         if (os_strcmp(cmd, "random") == 0) {
1472                 if (pos)
1473                         timeout = atoi(pos);
1474                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1475                 if (pin_txt == NULL)
1476                         return -1;
1477                 return os_snprintf(buf, buflen, "%s", pin_txt);
1478         }
1479
1480         if (os_strcmp(cmd, "get") == 0) {
1481                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1482                 if (pin_txt == NULL)
1483                         return -1;
1484                 return os_snprintf(buf, buflen, "%s", pin_txt);
1485         }
1486
1487         if (os_strcmp(cmd, "set") == 0) {
1488                 char *pin;
1489                 if (pos == NULL)
1490                         return -1;
1491                 pin = pos;
1492                 pos = os_strchr(pos, ' ');
1493                 if (pos) {
1494                         *pos++ = '\0';
1495                         timeout = atoi(pos);
1496                 }
1497                 if (os_strlen(pin) > buflen)
1498                         return -1;
1499                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1500                         return -1;
1501                 return os_snprintf(buf, buflen, "%s", pin);
1502         }
1503
1504         return -1;
1505 }
1506 #endif /* CONFIG_AP */
1507
1508
1509 #ifdef CONFIG_WPS_ER
1510 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1511                                                 char *cmd)
1512 {
1513         char *uuid = cmd, *pin, *pos;
1514         u8 addr_buf[ETH_ALEN], *addr = NULL;
1515         pin = os_strchr(uuid, ' ');
1516         if (pin == NULL)
1517                 return -1;
1518         *pin++ = '\0';
1519         pos = os_strchr(pin, ' ');
1520         if (pos) {
1521                 *pos++ = '\0';
1522                 if (hwaddr_aton(pos, addr_buf) == 0)
1523                         addr = addr_buf;
1524         }
1525         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1526 }
1527
1528
1529 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1530                                                   char *cmd)
1531 {
1532         char *uuid = cmd, *pin;
1533         pin = os_strchr(uuid, ' ');
1534         if (pin == NULL)
1535                 return -1;
1536         *pin++ = '\0';
1537         return wpas_wps_er_learn(wpa_s, uuid, pin);
1538 }
1539
1540
1541 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1542         struct wpa_supplicant *wpa_s, char *cmd)
1543 {
1544         char *uuid = cmd, *id;
1545         id = os_strchr(uuid, ' ');
1546         if (id == NULL)
1547                 return -1;
1548         *id++ = '\0';
1549         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1550 }
1551
1552
1553 static int wpa_supplicant_ctrl_iface_wps_er_config(
1554         struct wpa_supplicant *wpa_s, char *cmd)
1555 {
1556         char *pin;
1557         char *new_ssid;
1558         char *new_auth;
1559         char *new_encr;
1560         char *new_key;
1561         struct wps_new_ap_settings ap;
1562
1563         pin = os_strchr(cmd, ' ');
1564         if (pin == NULL)
1565                 return -1;
1566         *pin++ = '\0';
1567
1568         new_ssid = os_strchr(pin, ' ');
1569         if (new_ssid == NULL)
1570                 return -1;
1571         *new_ssid++ = '\0';
1572
1573         new_auth = os_strchr(new_ssid, ' ');
1574         if (new_auth == NULL)
1575                 return -1;
1576         *new_auth++ = '\0';
1577
1578         new_encr = os_strchr(new_auth, ' ');
1579         if (new_encr == NULL)
1580                 return -1;
1581         *new_encr++ = '\0';
1582
1583         new_key = os_strchr(new_encr, ' ');
1584         if (new_key == NULL)
1585                 return -1;
1586         *new_key++ = '\0';
1587
1588         os_memset(&ap, 0, sizeof(ap));
1589         ap.ssid_hex = new_ssid;
1590         ap.auth = new_auth;
1591         ap.encr = new_encr;
1592         ap.key_hex = new_key;
1593         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1594 }
1595
1596
1597 #ifdef CONFIG_WPS_NFC
1598 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1599         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1600 {
1601         int ndef;
1602         struct wpabuf *buf;
1603         int res;
1604         char *uuid;
1605
1606         uuid = os_strchr(cmd, ' ');
1607         if (uuid == NULL)
1608                 return -1;
1609         *uuid++ = '\0';
1610
1611         if (os_strcmp(cmd, "WPS") == 0)
1612                 ndef = 0;
1613         else if (os_strcmp(cmd, "NDEF") == 0)
1614                 ndef = 1;
1615         else
1616                 return -1;
1617
1618         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1619         if (buf == NULL)
1620                 return -1;
1621
1622         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1623                                          wpabuf_len(buf));
1624         reply[res++] = '\n';
1625         reply[res] = '\0';
1626
1627         wpabuf_free(buf);
1628
1629         return res;
1630 }
1631 #endif /* CONFIG_WPS_NFC */
1632 #endif /* CONFIG_WPS_ER */
1633
1634 #endif /* CONFIG_WPS */
1635
1636
1637 #ifdef CONFIG_IBSS_RSN
1638 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1639         struct wpa_supplicant *wpa_s, char *addr)
1640 {
1641         u8 peer[ETH_ALEN];
1642
1643         if (hwaddr_aton(addr, peer)) {
1644                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1645                            "address '%s'", addr);
1646                 return -1;
1647         }
1648
1649         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1650                    MAC2STR(peer));
1651
1652         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1653 }
1654 #endif /* CONFIG_IBSS_RSN */
1655
1656
1657 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1658                                               char *rsp)
1659 {
1660 #ifdef IEEE8021X_EAPOL
1661         char *pos, *id_pos;
1662         int id;
1663         struct wpa_ssid *ssid;
1664
1665         pos = os_strchr(rsp, '-');
1666         if (pos == NULL)
1667                 return -1;
1668         *pos++ = '\0';
1669         id_pos = pos;
1670         pos = os_strchr(pos, ':');
1671         if (pos == NULL)
1672                 return -1;
1673         *pos++ = '\0';
1674         id = atoi(id_pos);
1675         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1676         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1677                               (u8 *) pos, os_strlen(pos));
1678
1679         ssid = wpa_config_get_network(wpa_s->conf, id);
1680         if (ssid == NULL) {
1681                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1682                            "to update", id);
1683                 return -1;
1684         }
1685
1686         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1687                                                          pos);
1688 #else /* IEEE8021X_EAPOL */
1689         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1690         return -1;
1691 #endif /* IEEE8021X_EAPOL */
1692 }
1693
1694
1695 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1696                                             const char *params,
1697                                             char *buf, size_t buflen)
1698 {
1699         char *pos, *end, tmp[30];
1700         int res, verbose, wps, ret;
1701 #ifdef CONFIG_HS20
1702         const u8 *hs20;
1703 #endif /* CONFIG_HS20 */
1704
1705         if (os_strcmp(params, "-DRIVER") == 0)
1706                 return wpa_drv_status(wpa_s, buf, buflen);
1707         verbose = os_strcmp(params, "-VERBOSE") == 0;
1708         wps = os_strcmp(params, "-WPS") == 0;
1709         pos = buf;
1710         end = buf + buflen;
1711         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1712                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1713                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1714                                   MAC2STR(wpa_s->bssid));
1715                 if (os_snprintf_error(end - pos, ret))
1716                         return pos - buf;
1717                 pos += ret;
1718                 ret = os_snprintf(pos, end - pos, "freq=%u\n",
1719                                   wpa_s->assoc_freq);
1720                 if (os_snprintf_error(end - pos, ret))
1721                         return pos - buf;
1722                 pos += ret;
1723                 if (ssid) {
1724                         u8 *_ssid = ssid->ssid;
1725                         size_t ssid_len = ssid->ssid_len;
1726                         u8 ssid_buf[MAX_SSID_LEN];
1727                         if (ssid_len == 0) {
1728                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1729                                 if (_res < 0)
1730                                         ssid_len = 0;
1731                                 else
1732                                         ssid_len = _res;
1733                                 _ssid = ssid_buf;
1734                         }
1735                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1736                                           wpa_ssid_txt(_ssid, ssid_len),
1737                                           ssid->id);
1738                         if (os_snprintf_error(end - pos, ret))
1739                                 return pos - buf;
1740                         pos += ret;
1741
1742                         if (wps && ssid->passphrase &&
1743                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1744                             (ssid->mode == WPAS_MODE_AP ||
1745                              ssid->mode == WPAS_MODE_P2P_GO)) {
1746                                 ret = os_snprintf(pos, end - pos,
1747                                                   "passphrase=%s\n",
1748                                                   ssid->passphrase);
1749                                 if (os_snprintf_error(end - pos, ret))
1750                                         return pos - buf;
1751                                 pos += ret;
1752                         }
1753                         if (ssid->id_str) {
1754                                 ret = os_snprintf(pos, end - pos,
1755                                                   "id_str=%s\n",
1756                                                   ssid->id_str);
1757                                 if (os_snprintf_error(end - pos, ret))
1758                                         return pos - buf;
1759                                 pos += ret;
1760                         }
1761
1762                         switch (ssid->mode) {
1763                         case WPAS_MODE_INFRA:
1764                                 ret = os_snprintf(pos, end - pos,
1765                                                   "mode=station\n");
1766                                 break;
1767                         case WPAS_MODE_IBSS:
1768                                 ret = os_snprintf(pos, end - pos,
1769                                                   "mode=IBSS\n");
1770                                 break;
1771                         case WPAS_MODE_AP:
1772                                 ret = os_snprintf(pos, end - pos,
1773                                                   "mode=AP\n");
1774                                 break;
1775                         case WPAS_MODE_P2P_GO:
1776                                 ret = os_snprintf(pos, end - pos,
1777                                                   "mode=P2P GO\n");
1778                                 break;
1779                         case WPAS_MODE_P2P_GROUP_FORMATION:
1780                                 ret = os_snprintf(pos, end - pos,
1781                                                   "mode=P2P GO - group "
1782                                                   "formation\n");
1783                                 break;
1784                         default:
1785                                 ret = 0;
1786                                 break;
1787                         }
1788                         if (os_snprintf_error(end - pos, ret))
1789                                 return pos - buf;
1790                         pos += ret;
1791                 }
1792
1793 #ifdef CONFIG_AP
1794                 if (wpa_s->ap_iface) {
1795                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1796                                                             end - pos,
1797                                                             verbose);
1798                 } else
1799 #endif /* CONFIG_AP */
1800                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1801         }
1802 #ifdef CONFIG_SAE
1803         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1804 #ifdef CONFIG_AP
1805             !wpa_s->ap_iface &&
1806 #endif /* CONFIG_AP */
1807             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1808                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1809                                   wpa_s->sme.sae.group);
1810                 if (os_snprintf_error(end - pos, ret))
1811                         return pos - buf;
1812                 pos += ret;
1813         }
1814 #endif /* CONFIG_SAE */
1815         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1816                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1817         if (os_snprintf_error(end - pos, ret))
1818                 return pos - buf;
1819         pos += ret;
1820
1821         if (wpa_s->l2 &&
1822             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1823                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1824                 if (os_snprintf_error(end - pos, ret))
1825                         return pos - buf;
1826                 pos += ret;
1827         }
1828
1829 #ifdef CONFIG_P2P
1830         if (wpa_s->global->p2p) {
1831                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1832                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1833                 if (os_snprintf_error(end - pos, ret))
1834                         return pos - buf;
1835                 pos += ret;
1836         }
1837 #endif /* CONFIG_P2P */
1838
1839         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1840                           MAC2STR(wpa_s->own_addr));
1841         if (os_snprintf_error(end - pos, ret))
1842                 return pos - buf;
1843         pos += ret;
1844
1845 #ifdef CONFIG_HS20
1846         if (wpa_s->current_bss &&
1847             (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1848                                           HS20_IE_VENDOR_TYPE)) &&
1849             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1850             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1851                 int release = 1;
1852                 if (hs20[1] >= 5) {
1853                         u8 rel_num = (hs20[6] & 0xf0) >> 4;
1854                         release = rel_num + 1;
1855                 }
1856                 ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
1857                 if (os_snprintf_error(end - pos, ret))
1858                         return pos - buf;
1859                 pos += ret;
1860         }
1861
1862         if (wpa_s->current_ssid) {
1863                 struct wpa_cred *cred;
1864                 char *type;
1865
1866                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1867                         size_t i;
1868
1869                         if (wpa_s->current_ssid->parent_cred != cred)
1870                                 continue;
1871
1872                         if (cred->provisioning_sp) {
1873                                 ret = os_snprintf(pos, end - pos,
1874                                                   "provisioning_sp=%s\n",
1875                                                   cred->provisioning_sp);
1876                                 if (os_snprintf_error(end - pos, ret))
1877                                         return pos - buf;
1878                                 pos += ret;
1879                         }
1880
1881                         if (!cred->domain)
1882                                 goto no_domain;
1883
1884                         i = 0;
1885                         if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
1886                                 struct wpabuf *names =
1887                                         wpa_s->current_bss->anqp->domain_name;
1888                                 for (i = 0; names && i < cred->num_domain; i++)
1889                                 {
1890                                         if (domain_name_list_contains(
1891                                                     names, cred->domain[i], 1))
1892                                                 break;
1893                                 }
1894                                 if (i == cred->num_domain)
1895                                         i = 0; /* show first entry by default */
1896                         }
1897                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1898                                           cred->domain[i]);
1899                         if (os_snprintf_error(end - pos, ret))
1900                                 return pos - buf;
1901                         pos += ret;
1902
1903                 no_domain:
1904                         if (wpa_s->current_bss == NULL ||
1905                             wpa_s->current_bss->anqp == NULL)
1906                                 res = -1;
1907                         else
1908                                 res = interworking_home_sp_cred(
1909                                         wpa_s, cred,
1910                                         wpa_s->current_bss->anqp->domain_name);
1911                         if (res > 0)
1912                                 type = "home";
1913                         else if (res == 0)
1914                                 type = "roaming";
1915                         else
1916                                 type = "unknown";
1917
1918                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1919                         if (os_snprintf_error(end - pos, ret))
1920                                 return pos - buf;
1921                         pos += ret;
1922
1923                         break;
1924                 }
1925         }
1926 #endif /* CONFIG_HS20 */
1927
1928         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1929             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1930                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1931                                           verbose);
1932                 if (res >= 0)
1933                         pos += res;
1934         }
1935
1936         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1937         if (res >= 0)
1938                 pos += res;
1939
1940 #ifdef CONFIG_WPS
1941         {
1942                 char uuid_str[100];
1943                 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
1944                 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
1945                 if (os_snprintf_error(end - pos, ret))
1946                         return pos - buf;
1947                 pos += ret;
1948         }
1949 #endif /* CONFIG_WPS */
1950
1951 #ifdef ANDROID
1952         /*
1953          * Allow using the STATUS command with default behavior, say for debug,
1954          * i.e., don't generate a "fake" CONNECTION and SUPPLICANT_STATE_CHANGE
1955          * events with STATUS-NO_EVENTS.
1956          */
1957         if (os_strcmp(params, "-NO_EVENTS")) {
1958                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
1959                              "id=%d state=%d BSSID=" MACSTR " SSID=%s",
1960                              wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
1961                              wpa_s->wpa_state,
1962                              MAC2STR(wpa_s->bssid),
1963                              wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
1964                              wpa_ssid_txt(wpa_s->current_ssid->ssid,
1965                                           wpa_s->current_ssid->ssid_len) : "");
1966                 if (wpa_s->wpa_state == WPA_COMPLETED) {
1967                         struct wpa_ssid *ssid = wpa_s->current_ssid;
1968                         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
1969                                      "- connection to " MACSTR
1970                                      " completed %s [id=%d id_str=%s]",
1971                                      MAC2STR(wpa_s->bssid), "(auth)",
1972                                      ssid ? ssid->id : -1,
1973                                      ssid && ssid->id_str ? ssid->id_str : "");
1974                 }
1975         }
1976 #endif /* ANDROID */
1977
1978         return pos - buf;
1979 }
1980
1981
1982 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1983                                            char *cmd)
1984 {
1985         char *pos;
1986         int id;
1987         struct wpa_ssid *ssid;
1988         u8 bssid[ETH_ALEN];
1989
1990         /* cmd: "<network id> <BSSID>" */
1991         pos = os_strchr(cmd, ' ');
1992         if (pos == NULL)
1993                 return -1;
1994         *pos++ = '\0';
1995         id = atoi(cmd);
1996         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1997         if (hwaddr_aton(pos, bssid)) {
1998                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1999                 return -1;
2000         }
2001
2002         ssid = wpa_config_get_network(wpa_s->conf, id);
2003         if (ssid == NULL) {
2004                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
2005                            "to update", id);
2006                 return -1;
2007         }
2008
2009         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
2010         ssid->bssid_set = !is_zero_ether_addr(bssid);
2011
2012         return 0;
2013 }
2014
2015
2016 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
2017                                                char *cmd, char *buf,
2018                                                size_t buflen)
2019 {
2020         u8 bssid[ETH_ALEN];
2021         struct wpa_blacklist *e;
2022         char *pos, *end;
2023         int ret;
2024
2025         /* cmd: "BLACKLIST [<BSSID>]" */
2026         if (*cmd == '\0') {
2027                 pos = buf;
2028                 end = buf + buflen;
2029                 e = wpa_s->blacklist;
2030                 while (e) {
2031                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
2032                                           MAC2STR(e->bssid));
2033                         if (os_snprintf_error(end - pos, ret))
2034                                 return pos - buf;
2035                         pos += ret;
2036                         e = e->next;
2037                 }
2038                 return pos - buf;
2039         }
2040
2041         cmd++;
2042         if (os_strncmp(cmd, "clear", 5) == 0) {
2043                 wpa_blacklist_clear(wpa_s);
2044                 os_memcpy(buf, "OK\n", 3);
2045                 return 3;
2046         }
2047
2048         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
2049         if (hwaddr_aton(cmd, bssid)) {
2050                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
2051                 return -1;
2052         }
2053
2054         /*
2055          * Add the BSSID twice, so its count will be 2, causing it to be
2056          * skipped when processing scan results.
2057          */
2058         ret = wpa_blacklist_add(wpa_s, bssid);
2059         if (ret < 0)
2060                 return -1;
2061         ret = wpa_blacklist_add(wpa_s, bssid);
2062         if (ret < 0)
2063                 return -1;
2064         os_memcpy(buf, "OK\n", 3);
2065         return 3;
2066 }
2067
2068
2069 static const char * debug_level_str(int level)
2070 {
2071         switch (level) {
2072         case MSG_EXCESSIVE:
2073                 return "EXCESSIVE";
2074         case MSG_MSGDUMP:
2075                 return "MSGDUMP";
2076         case MSG_DEBUG:
2077                 return "DEBUG";
2078         case MSG_INFO:
2079                 return "INFO";
2080         case MSG_WARNING:
2081                 return "WARNING";
2082         case MSG_ERROR:
2083                 return "ERROR";
2084         default:
2085                 return "?";
2086         }
2087 }
2088
2089
2090 static int str_to_debug_level(const char *s)
2091 {
2092         if (os_strcasecmp(s, "EXCESSIVE") == 0)
2093                 return MSG_EXCESSIVE;
2094         if (os_strcasecmp(s, "MSGDUMP") == 0)
2095                 return MSG_MSGDUMP;
2096         if (os_strcasecmp(s, "DEBUG") == 0)
2097                 return MSG_DEBUG;
2098         if (os_strcasecmp(s, "INFO") == 0)
2099                 return MSG_INFO;
2100         if (os_strcasecmp(s, "WARNING") == 0)
2101                 return MSG_WARNING;
2102         if (os_strcasecmp(s, "ERROR") == 0)
2103                 return MSG_ERROR;
2104         return -1;
2105 }
2106
2107
2108 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
2109                                                char *cmd, char *buf,
2110                                                size_t buflen)
2111 {
2112         char *pos, *end, *stamp;
2113         int ret;
2114
2115         /* cmd: "LOG_LEVEL [<level>]" */
2116         if (*cmd == '\0') {
2117                 pos = buf;
2118                 end = buf + buflen;
2119                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
2120                                   "Timestamp: %d\n",
2121                                   debug_level_str(wpa_debug_level),
2122                                   wpa_debug_timestamp);
2123                 if (os_snprintf_error(end - pos, ret))
2124                         ret = 0;
2125
2126                 return ret;
2127         }
2128
2129         while (*cmd == ' ')
2130                 cmd++;
2131
2132         stamp = os_strchr(cmd, ' ');
2133         if (stamp) {
2134                 *stamp++ = '\0';
2135                 while (*stamp == ' ') {
2136                         stamp++;
2137                 }
2138         }
2139
2140         if (cmd && os_strlen(cmd)) {
2141                 int level = str_to_debug_level(cmd);
2142                 if (level < 0)
2143                         return -1;
2144                 wpa_debug_level = level;
2145         }
2146
2147         if (stamp && os_strlen(stamp))
2148                 wpa_debug_timestamp = atoi(stamp);
2149
2150         os_memcpy(buf, "OK\n", 3);
2151         return 3;
2152 }
2153
2154
2155 static int wpa_supplicant_ctrl_iface_list_networks(
2156         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2157 {
2158         char *pos, *end, *prev;
2159         struct wpa_ssid *ssid;
2160         int ret;
2161
2162         pos = buf;
2163         end = buf + buflen;
2164         ret = os_snprintf(pos, end - pos,
2165                           "network id / ssid / bssid / flags\n");
2166         if (os_snprintf_error(end - pos, ret))
2167                 return pos - buf;
2168         pos += ret;
2169
2170         ssid = wpa_s->conf->ssid;
2171
2172         /* skip over ssids until we find next one */
2173         if (cmd != NULL && os_strncmp(cmd, "LAST_ID=", 8) == 0) {
2174                 int last_id = atoi(cmd + 8);
2175                 if (last_id != -1) {
2176                         while (ssid != NULL && ssid->id <= last_id) {
2177                                 ssid = ssid->next;
2178                         }
2179                 }
2180         }
2181
2182         while (ssid) {
2183                 prev = pos;
2184                 ret = os_snprintf(pos, end - pos, "%d\t%s",
2185                                   ssid->id,
2186                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2187                 if (os_snprintf_error(end - pos, ret))
2188                         return prev - buf;
2189                 pos += ret;
2190                 if (ssid->bssid_set) {
2191                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2192                                           MAC2STR(ssid->bssid));
2193                 } else {
2194                         ret = os_snprintf(pos, end - pos, "\tany");
2195                 }
2196                 if (os_snprintf_error(end - pos, ret))
2197                         return prev - buf;
2198                 pos += ret;
2199                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2200                                   ssid == wpa_s->current_ssid ?
2201                                   "[CURRENT]" : "",
2202                                   ssid->disabled ? "[DISABLED]" : "",
2203                                   ssid->disabled_until.sec ?
2204                                   "[TEMP-DISABLED]" : "",
2205                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2206                                   "");
2207                 if (os_snprintf_error(end - pos, ret))
2208                         return prev - buf;
2209                 pos += ret;
2210                 ret = os_snprintf(pos, end - pos, "\n");
2211                 if (os_snprintf_error(end - pos, ret))
2212                         return prev - buf;
2213                 pos += ret;
2214
2215                 ssid = ssid->next;
2216         }
2217
2218         return pos - buf;
2219 }
2220
2221
2222 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2223 {
2224         int ret;
2225         ret = os_snprintf(pos, end - pos, "-");
2226         if (os_snprintf_error(end - pos, ret))
2227                 return pos;
2228         pos += ret;
2229         ret = wpa_write_ciphers(pos, end, cipher, "+");
2230         if (ret < 0)
2231                 return pos;
2232         pos += ret;
2233         return pos;
2234 }
2235
2236
2237 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2238                                     const u8 *ie, size_t ie_len)
2239 {
2240         struct wpa_ie_data data;
2241         char *start;
2242         int ret;
2243
2244         ret = os_snprintf(pos, end - pos, "[%s-", proto);
2245         if (os_snprintf_error(end - pos, ret))
2246                 return pos;
2247         pos += ret;
2248
2249         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2250                 ret = os_snprintf(pos, end - pos, "?]");
2251                 if (os_snprintf_error(end - pos, ret))
2252                         return pos;
2253                 pos += ret;
2254                 return pos;
2255         }
2256
2257         start = pos;
2258         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2259                 ret = os_snprintf(pos, end - pos, "%sEAP",
2260                                   pos == start ? "" : "+");
2261                 if (os_snprintf_error(end - pos, ret))
2262                         return pos;
2263                 pos += ret;
2264         }
2265         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2266                 ret = os_snprintf(pos, end - pos, "%sPSK",
2267                                   pos == start ? "" : "+");
2268                 if (os_snprintf_error(end - pos, ret))
2269                         return pos;
2270                 pos += ret;
2271         }
2272         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2273                 ret = os_snprintf(pos, end - pos, "%sNone",
2274                                   pos == start ? "" : "+");
2275                 if (os_snprintf_error(end - pos, ret))
2276                         return pos;
2277                 pos += ret;
2278         }
2279         if (data.key_mgmt & WPA_KEY_MGMT_SAE) {
2280                 ret = os_snprintf(pos, end - pos, "%sSAE",
2281                                   pos == start ? "" : "+");
2282                 if (os_snprintf_error(end - pos, ret))
2283                         return pos;
2284                 pos += ret;
2285         }
2286 #ifdef CONFIG_IEEE80211R
2287         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2288                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2289                                   pos == start ? "" : "+");
2290                 if (os_snprintf_error(end - pos, ret))
2291                         return pos;
2292                 pos += ret;
2293         }
2294         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2295                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2296                                   pos == start ? "" : "+");
2297                 if (os_snprintf_error(end - pos, ret))
2298                         return pos;
2299                 pos += ret;
2300         }
2301         if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) {
2302                 ret = os_snprintf(pos, end - pos, "%sFT/SAE",
2303                                   pos == start ? "" : "+");
2304                 if (os_snprintf_error(end - pos, ret))
2305                         return pos;
2306                 pos += ret;
2307         }
2308 #endif /* CONFIG_IEEE80211R */
2309 #ifdef CONFIG_IEEE80211W
2310         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2311                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2312                                   pos == start ? "" : "+");
2313                 if (os_snprintf_error(end - pos, ret))
2314                         return pos;
2315                 pos += ret;
2316         }
2317         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2318                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2319                                   pos == start ? "" : "+");
2320                 if (os_snprintf_error(end - pos, ret))
2321                         return pos;
2322                 pos += ret;
2323         }
2324 #endif /* CONFIG_IEEE80211W */
2325
2326 #ifdef CONFIG_SUITEB
2327         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
2328                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B",
2329                                   pos == start ? "" : "+");
2330                 if (os_snprintf_error(end - pos, ret))
2331                         return pos;
2332                 pos += ret;
2333         }
2334 #endif /* CONFIG_SUITEB */
2335
2336 #ifdef CONFIG_SUITEB192
2337         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
2338                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B-192",
2339                                   pos == start ? "" : "+");
2340                 if (os_snprintf_error(end - pos, ret))
2341                         return pos;
2342                 pos += ret;
2343         }
2344 #endif /* CONFIG_SUITEB192 */
2345
2346         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2347
2348         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2349                 ret = os_snprintf(pos, end - pos, "-preauth");
2350                 if (os_snprintf_error(end - pos, ret))
2351                         return pos;
2352                 pos += ret;
2353         }
2354
2355         ret = os_snprintf(pos, end - pos, "]");
2356         if (os_snprintf_error(end - pos, ret))
2357                 return pos;
2358         pos += ret;
2359
2360         return pos;
2361 }
2362
2363
2364 #ifdef CONFIG_WPS
2365 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2366                                             char *pos, char *end,
2367                                             struct wpabuf *wps_ie)
2368 {
2369         int ret;
2370         const char *txt;
2371
2372         if (wps_ie == NULL)
2373                 return pos;
2374         if (wps_is_selected_pbc_registrar(wps_ie))
2375                 txt = "[WPS-PBC]";
2376         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2377                 txt = "[WPS-AUTH]";
2378         else if (wps_is_selected_pin_registrar(wps_ie))
2379                 txt = "[WPS-PIN]";
2380         else
2381                 txt = "[WPS]";
2382
2383         ret = os_snprintf(pos, end - pos, "%s", txt);
2384         if (!os_snprintf_error(end - pos, ret))
2385                 pos += ret;
2386         wpabuf_free(wps_ie);
2387         return pos;
2388 }
2389 #endif /* CONFIG_WPS */
2390
2391
2392 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2393                                         char *pos, char *end,
2394                                         const struct wpa_bss *bss)
2395 {
2396 #ifdef CONFIG_WPS
2397         struct wpabuf *wps_ie;
2398         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2399         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2400 #else /* CONFIG_WPS */
2401         return pos;
2402 #endif /* CONFIG_WPS */
2403 }
2404
2405
2406 /* Format one result on one text line into a buffer. */
2407 static int wpa_supplicant_ctrl_iface_scan_result(
2408         struct wpa_supplicant *wpa_s,
2409         const struct wpa_bss *bss, char *buf, size_t buflen)
2410 {
2411         char *pos, *end;
2412         int ret;
2413         const u8 *ie, *ie2, *p2p, *mesh;
2414
2415         mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
2416         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2417         if (!p2p)
2418                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2419         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2420             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2421             0)
2422                 return 0; /* Do not show P2P listen discovery results here */
2423
2424         pos = buf;
2425         end = buf + buflen;
2426
2427         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2428                           MAC2STR(bss->bssid), bss->freq, bss->level);
2429         if (os_snprintf_error(end - pos, ret))
2430                 return -1;
2431         pos += ret;
2432         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2433         if (ie)
2434                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2435         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2436         if (ie2) {
2437                 pos = wpa_supplicant_ie_txt(pos, end, mesh ? "RSN" : "WPA2",
2438                                             ie2, 2 + ie2[1]);
2439         }
2440         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2441         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2442                 ret = os_snprintf(pos, end - pos, "[WEP]");
2443                 if (os_snprintf_error(end - pos, ret))
2444                         return -1;
2445                 pos += ret;
2446         }
2447         if (mesh) {
2448                 ret = os_snprintf(pos, end - pos, "[MESH]");
2449                 if (os_snprintf_error(end - pos, ret))
2450                         return -1;
2451                 pos += ret;
2452         }
2453         if (bss_is_dmg(bss)) {
2454                 const char *s;
2455                 ret = os_snprintf(pos, end - pos, "[DMG]");
2456                 if (os_snprintf_error(end - pos, ret))
2457                         return -1;
2458                 pos += ret;
2459                 switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
2460                 case IEEE80211_CAP_DMG_IBSS:
2461                         s = "[IBSS]";
2462                         break;
2463                 case IEEE80211_CAP_DMG_AP:
2464                         s = "[ESS]";
2465                         break;
2466                 case IEEE80211_CAP_DMG_PBSS:
2467                         s = "[PBSS]";
2468                         break;
2469                 default:
2470                         s = "";
2471                         break;
2472                 }
2473                 ret = os_snprintf(pos, end - pos, "%s", s);
2474                 if (os_snprintf_error(end - pos, ret))
2475                         return -1;
2476                 pos += ret;
2477         } else {
2478                 if (bss->caps & IEEE80211_CAP_IBSS) {
2479                         ret = os_snprintf(pos, end - pos, "[IBSS]");
2480                         if (os_snprintf_error(end - pos, ret))
2481                                 return -1;
2482                         pos += ret;
2483                 }
2484                 if (bss->caps & IEEE80211_CAP_ESS) {
2485                         ret = os_snprintf(pos, end - pos, "[ESS]");
2486                         if (os_snprintf_error(end - pos, ret))
2487                                 return -1;
2488                         pos += ret;
2489                 }
2490         }
2491         if (p2p) {
2492                 ret = os_snprintf(pos, end - pos, "[P2P]");
2493                 if (os_snprintf_error(end - pos, ret))
2494                         return -1;
2495                 pos += ret;
2496         }
2497 #ifdef CONFIG_HS20
2498         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2499                 ret = os_snprintf(pos, end - pos, "[HS20]");
2500                 if (os_snprintf_error(end - pos, ret))
2501                         return -1;
2502                 pos += ret;
2503         }
2504 #endif /* CONFIG_HS20 */
2505
2506         ret = os_snprintf(pos, end - pos, "\t%s",
2507                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2508         if (os_snprintf_error(end - pos, ret))
2509                 return -1;
2510         pos += ret;
2511
2512         ret = os_snprintf(pos, end - pos, "\n");
2513         if (os_snprintf_error(end - pos, ret))
2514                 return -1;
2515         pos += ret;
2516
2517         return pos - buf;
2518 }
2519
2520
2521 static int wpa_supplicant_ctrl_iface_scan_results(
2522         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2523 {
2524         char *pos, *end;
2525         struct wpa_bss *bss;
2526         int ret;
2527
2528         pos = buf;
2529         end = buf + buflen;
2530         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2531                           "flags / ssid\n");
2532         if (os_snprintf_error(end - pos, ret))
2533                 return pos - buf;
2534         pos += ret;
2535
2536         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2537                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2538                                                             end - pos);
2539                 if (ret < 0 || ret >= end - pos)
2540                         return pos - buf;
2541                 pos += ret;
2542         }
2543
2544         return pos - buf;
2545 }
2546
2547
2548 #ifdef CONFIG_MESH
2549
2550 static int wpa_supplicant_ctrl_iface_mesh_interface_add(
2551         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
2552 {
2553         char *pos, ifname[IFNAMSIZ + 1];
2554
2555         ifname[0] = '\0';
2556
2557         pos = os_strstr(cmd, "ifname=");
2558         if (pos) {
2559                 pos += 7;
2560                 os_strlcpy(ifname, pos, sizeof(ifname));
2561         }
2562
2563         if (wpas_mesh_add_interface(wpa_s, ifname, sizeof(ifname)) < 0)
2564                 return -1;
2565
2566         os_strlcpy(reply, ifname, max_len);
2567         return os_strlen(ifname);
2568 }
2569
2570
2571 static int wpa_supplicant_ctrl_iface_mesh_group_add(
2572         struct wpa_supplicant *wpa_s, char *cmd)
2573 {
2574         int id;
2575         struct wpa_ssid *ssid;
2576
2577         id = atoi(cmd);
2578         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_ADD id=%d", id);
2579
2580         ssid = wpa_config_get_network(wpa_s->conf, id);
2581         if (ssid == NULL) {
2582                 wpa_printf(MSG_DEBUG,
2583                            "CTRL_IFACE: Could not find network id=%d", id);
2584                 return -1;
2585         }
2586         if (ssid->mode != WPAS_MODE_MESH) {
2587                 wpa_printf(MSG_DEBUG,
2588                            "CTRL_IFACE: Cannot use MESH_GROUP_ADD on a non mesh network");
2589                 return -1;
2590         }
2591         if (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
2592             ssid->key_mgmt != WPA_KEY_MGMT_SAE) {
2593                 wpa_printf(MSG_ERROR,
2594                            "CTRL_IFACE: key_mgmt for mesh network should be open or SAE");
2595                 return -1;
2596         }
2597
2598         /*
2599          * TODO: If necessary write our own group_add function,
2600          * for now we can reuse select_network
2601          */
2602         wpa_supplicant_select_network(wpa_s, ssid);
2603
2604         return 0;
2605 }
2606
2607
2608 static int wpa_supplicant_ctrl_iface_mesh_group_remove(
2609         struct wpa_supplicant *wpa_s, char *cmd)
2610 {
2611         struct wpa_supplicant *orig;
2612         struct wpa_global *global;
2613         int found = 0;
2614
2615         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s", cmd);
2616
2617         global = wpa_s->global;
2618         orig = wpa_s;
2619
2620         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2621                 if (os_strcmp(wpa_s->ifname, cmd) == 0) {
2622                         found = 1;
2623                         break;
2624                 }
2625         }
2626         if (!found) {
2627                 wpa_printf(MSG_ERROR,
2628                            "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s not found",
2629                            cmd);
2630                 return -1;
2631         }
2632         if (wpa_s->mesh_if_created && wpa_s == orig) {
2633                 wpa_printf(MSG_ERROR,
2634                            "CTRL_IFACE: MESH_GROUP_REMOVE can't remove itself");
2635                 return -1;
2636         }
2637
2638         wpa_s->reassociate = 0;
2639         wpa_s->disconnected = 1;
2640         wpa_supplicant_cancel_sched_scan(wpa_s);
2641         wpa_supplicant_cancel_scan(wpa_s);
2642
2643         /*
2644          * TODO: If necessary write our own group_remove function,
2645          * for now we can reuse deauthenticate
2646          */
2647         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2648
2649         if (wpa_s->mesh_if_created)
2650                 wpa_supplicant_remove_iface(global, wpa_s, 0);
2651
2652         return 0;
2653 }
2654
2655 #endif /* CONFIG_MESH */
2656
2657
2658 static int wpa_supplicant_ctrl_iface_select_network(
2659         struct wpa_supplicant *wpa_s, char *cmd)
2660 {
2661         int id;
2662         struct wpa_ssid *ssid;
2663         char *pos;
2664
2665         /* cmd: "<network id>" or "any" */
2666         if (os_strncmp(cmd, "any", 3) == 0) {
2667                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2668                 ssid = NULL;
2669         } else {
2670                 id = atoi(cmd);
2671                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2672
2673                 ssid = wpa_config_get_network(wpa_s->conf, id);
2674                 if (ssid == NULL) {
2675                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2676                                    "network id=%d", id);
2677                         return -1;
2678                 }
2679                 if (ssid->disabled == 2) {
2680                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2681                                    "SELECT_NETWORK with persistent P2P group");
2682                         return -1;
2683                 }
2684         }
2685
2686         pos = os_strstr(cmd, " freq=");
2687         if (pos) {
2688                 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2689                 if (freqs) {
2690                         wpa_s->scan_req = MANUAL_SCAN_REQ;
2691                         os_free(wpa_s->manual_scan_freqs);
2692                         wpa_s->manual_scan_freqs = freqs;
2693                 }
2694         }
2695
2696         wpa_supplicant_select_network(wpa_s, ssid);
2697
2698         return 0;
2699 }
2700
2701
2702 static int wpa_supplicant_ctrl_iface_enable_network(
2703         struct wpa_supplicant *wpa_s, char *cmd)
2704 {
2705         int id;
2706         struct wpa_ssid *ssid;
2707
2708         /* cmd: "<network id>" or "all" */
2709         if (os_strcmp(cmd, "all") == 0) {
2710                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2711                 ssid = NULL;
2712         } else {
2713                 id = atoi(cmd);
2714                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2715
2716                 ssid = wpa_config_get_network(wpa_s->conf, id);
2717                 if (ssid == NULL) {
2718                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2719                                    "network id=%d", id);
2720                         return -1;
2721                 }
2722                 if (ssid->disabled == 2) {
2723                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2724                                    "ENABLE_NETWORK with persistent P2P group");
2725                         return -1;
2726                 }
2727
2728                 if (os_strstr(cmd, " no-connect")) {
2729                         ssid->disabled = 0;
2730                         return 0;
2731                 }
2732         }
2733         wpa_supplicant_enable_network(wpa_s, ssid);
2734
2735         return 0;
2736 }
2737
2738
2739 static int wpa_supplicant_ctrl_iface_disable_network(
2740         struct wpa_supplicant *wpa_s, char *cmd)
2741 {
2742         int id;
2743         struct wpa_ssid *ssid;
2744
2745         /* cmd: "<network id>" or "all" */
2746         if (os_strcmp(cmd, "all") == 0) {
2747                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2748                 ssid = NULL;
2749         } else {
2750                 id = atoi(cmd);
2751                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2752
2753                 ssid = wpa_config_get_network(wpa_s->conf, id);
2754                 if (ssid == NULL) {
2755                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2756                                    "network id=%d", id);
2757                         return -1;
2758                 }
2759                 if (ssid->disabled == 2) {
2760                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2761                                    "DISABLE_NETWORK with persistent P2P "
2762                                    "group");
2763                         return -1;
2764                 }
2765         }
2766         wpa_supplicant_disable_network(wpa_s, ssid);
2767
2768         return 0;
2769 }
2770
2771
2772 static int wpa_supplicant_ctrl_iface_add_network(
2773         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2774 {
2775         struct wpa_ssid *ssid;
2776         int ret;
2777
2778         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2779
2780         ssid = wpa_config_add_network(wpa_s->conf);
2781         if (ssid == NULL)
2782                 return -1;
2783
2784         wpas_notify_network_added(wpa_s, ssid);
2785
2786         ssid->disabled = 1;
2787         wpa_config_set_network_defaults(ssid);
2788
2789         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2790         if (os_snprintf_error(buflen, ret))
2791                 return -1;
2792         return ret;
2793 }
2794
2795
2796 static int wpa_supplicant_ctrl_iface_remove_network(
2797         struct wpa_supplicant *wpa_s, char *cmd)
2798 {
2799         int id;
2800         struct wpa_ssid *ssid;
2801         int was_disabled;
2802
2803         /* cmd: "<network id>" or "all" */
2804         if (os_strcmp(cmd, "all") == 0) {
2805                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2806                 if (wpa_s->sched_scanning)
2807                         wpa_supplicant_cancel_sched_scan(wpa_s);
2808
2809                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2810                 if (wpa_s->current_ssid) {
2811 #ifdef CONFIG_SME
2812                         wpa_s->sme.prev_bssid_set = 0;
2813 #endif /* CONFIG_SME */
2814                         wpa_sm_set_config(wpa_s->wpa, NULL);
2815                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2816                         wpa_supplicant_deauthenticate(
2817                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2818                 }
2819                 ssid = wpa_s->conf->ssid;
2820                 while (ssid) {
2821                         struct wpa_ssid *remove_ssid = ssid;
2822                         id = ssid->id;
2823                         ssid = ssid->next;
2824                         if (wpa_s->last_ssid == remove_ssid)
2825                                 wpa_s->last_ssid = NULL;
2826                         wpas_notify_network_removed(wpa_s, remove_ssid);
2827                         wpa_config_remove_network(wpa_s->conf, id);
2828                 }
2829                 return 0;
2830         }
2831
2832         id = atoi(cmd);
2833         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2834
2835         ssid = wpa_config_get_network(wpa_s->conf, id);
2836         if (ssid)
2837                 wpas_notify_network_removed(wpa_s, ssid);
2838         if (ssid == NULL) {
2839                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2840                            "id=%d", id);
2841                 return -1;
2842         }
2843
2844         if (wpa_s->last_ssid == ssid)
2845                 wpa_s->last_ssid = NULL;
2846
2847         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2848 #ifdef CONFIG_SME
2849                 wpa_s->sme.prev_bssid_set = 0;
2850 #endif /* CONFIG_SME */
2851                 /*
2852                  * Invalidate the EAP session cache if the current or
2853                  * previously used network is removed.
2854                  */
2855                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2856         }
2857
2858         if (ssid == wpa_s->current_ssid) {
2859                 wpa_sm_set_config(wpa_s->wpa, NULL);
2860                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2861
2862                 wpa_supplicant_deauthenticate(wpa_s,
2863                                               WLAN_REASON_DEAUTH_LEAVING);
2864         }
2865
2866         was_disabled = ssid->disabled;
2867
2868         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2869                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2870                            "network id=%d", id);
2871                 return -1;
2872         }
2873
2874         if (!was_disabled && wpa_s->sched_scanning) {
2875                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2876                            "network from filters");
2877                 wpa_supplicant_cancel_sched_scan(wpa_s);
2878                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2879         }
2880
2881         return 0;
2882 }
2883
2884
2885 static int wpa_supplicant_ctrl_iface_update_network(
2886         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
2887         char *name, char *value)
2888 {
2889         if (wpa_config_set(ssid, name, value, 0) < 0) {
2890                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2891                            "variable '%s'", name);
2892                 return -1;
2893         }
2894
2895         if (os_strcmp(name, "bssid") != 0 &&
2896             os_strcmp(name, "priority") != 0)
2897                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2898
2899         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2900                 /*
2901                  * Invalidate the EAP session cache if anything in the current
2902                  * or previously used configuration changes.
2903                  */
2904                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2905         }
2906
2907         if ((os_strcmp(name, "psk") == 0 &&
2908              value[0] == '"' && ssid->ssid_len) ||
2909             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2910                 wpa_config_update_psk(ssid);
2911         else if (os_strcmp(name, "priority") == 0)
2912                 wpa_config_update_prio_list(wpa_s->conf);
2913         else if (os_strcmp(name, "no_auto_peer") == 0)
2914                 ssid->no_auto_peer = atoi(value);
2915
2916         return 0;
2917 }
2918
2919
2920 static int wpa_supplicant_ctrl_iface_set_network(
2921         struct wpa_supplicant *wpa_s, char *cmd)
2922 {
2923         int id, ret, prev_bssid_set;
2924         struct wpa_ssid *ssid;
2925         char *name, *value;
2926         u8 prev_bssid[ETH_ALEN];
2927
2928         /* cmd: "<network id> <variable name> <value>" */
2929         name = os_strchr(cmd, ' ');
2930         if (name == NULL)
2931                 return -1;
2932         *name++ = '\0';
2933
2934         value = os_strchr(name, ' ');
2935         if (value == NULL)
2936                 return -1;
2937         *value++ = '\0';
2938
2939         id = atoi(cmd);
2940         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2941                    id, name);
2942         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2943                               (u8 *) value, os_strlen(value));
2944
2945         ssid = wpa_config_get_network(wpa_s->conf, id);
2946         if (ssid == NULL) {
2947                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2948                            "id=%d", id);
2949                 return -1;
2950         }
2951
2952         prev_bssid_set = ssid->bssid_set;
2953         os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
2954         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
2955                                                        value);
2956         if (ret == 0 &&
2957             (ssid->bssid_set != prev_bssid_set ||
2958              os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
2959                 wpas_notify_network_bssid_set_changed(wpa_s, ssid);
2960         return ret;
2961 }
2962
2963
2964 static int wpa_supplicant_ctrl_iface_get_network(
2965         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2966 {
2967         int id;
2968         size_t res;
2969         struct wpa_ssid *ssid;
2970         char *name, *value;
2971
2972         /* cmd: "<network id> <variable name>" */
2973         name = os_strchr(cmd, ' ');
2974         if (name == NULL || buflen == 0)
2975                 return -1;
2976         *name++ = '\0';
2977
2978         id = atoi(cmd);
2979         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2980                    id, name);
2981
2982         ssid = wpa_config_get_network(wpa_s->conf, id);
2983         if (ssid == NULL) {
2984                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2985                            "id=%d", id);
2986                 return -1;
2987         }
2988
2989         value = wpa_config_get_no_key(ssid, name);
2990         if (value == NULL) {
2991                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2992                            "variable '%s'", name);
2993                 return -1;
2994         }
2995
2996         res = os_strlcpy(buf, value, buflen);
2997         if (res >= buflen) {
2998                 os_free(value);
2999                 return -1;
3000         }
3001
3002         os_free(value);
3003
3004         return res;
3005 }
3006
3007
3008 static int wpa_supplicant_ctrl_iface_dup_network(
3009         struct wpa_supplicant *wpa_s, char *cmd)
3010 {
3011         struct wpa_ssid *ssid_s, *ssid_d;
3012         char *name, *id, *value;
3013         int id_s, id_d, ret;
3014
3015         /* cmd: "<src network id> <dst network id> <variable name>" */
3016         id = os_strchr(cmd, ' ');
3017         if (id == NULL)
3018                 return -1;
3019         *id++ = '\0';
3020
3021         name = os_strchr(id, ' ');
3022         if (name == NULL)
3023                 return -1;
3024         *name++ = '\0';
3025
3026         id_s = atoi(cmd);
3027         id_d = atoi(id);
3028         wpa_printf(MSG_DEBUG, "CTRL_IFACE: DUP_NETWORK id=%d -> %d name='%s'",
3029                    id_s, id_d, name);
3030
3031         ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
3032         if (ssid_s == NULL) {
3033                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3034                            "network id=%d", id_s);
3035                 return -1;
3036         }
3037
3038         ssid_d = wpa_config_get_network(wpa_s->conf, id_d);
3039         if (ssid_d == NULL) {
3040                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3041                            "network id=%d", id_d);
3042                 return -1;
3043         }
3044
3045         value = wpa_config_get(ssid_s, name);
3046         if (value == NULL) {
3047                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3048                            "variable '%s'", name);
3049                 return -1;
3050         }
3051
3052         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid_d, name,
3053                                                        value);
3054
3055         os_free(value);
3056
3057         return ret;
3058 }
3059
3060
3061 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
3062                                                 char *buf, size_t buflen)
3063 {
3064         char *pos, *end;
3065         struct wpa_cred *cred;
3066         int ret;
3067
3068         pos = buf;
3069         end = buf + buflen;
3070         ret = os_snprintf(pos, end - pos,
3071                           "cred id / realm / username / domain / imsi\n");
3072         if (os_snprintf_error(end - pos, ret))
3073                 return pos - buf;
3074         pos += ret;
3075
3076         cred = wpa_s->conf->cred;
3077         while (cred) {
3078                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
3079                                   cred->id, cred->realm ? cred->realm : "",
3080                                   cred->username ? cred->username : "",
3081                                   cred->domain ? cred->domain[0] : "",
3082                                   cred->imsi ? cred->imsi : "");
3083                 if (os_snprintf_error(end - pos, ret))
3084                         return pos - buf;
3085                 pos += ret;
3086
3087                 cred = cred->next;
3088         }
3089
3090         return pos - buf;
3091 }
3092
3093
3094 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
3095                                               char *buf, size_t buflen)
3096 {
3097         struct wpa_cred *cred;
3098         int ret;
3099
3100         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
3101
3102         cred = wpa_config_add_cred(wpa_s->conf);
3103         if (cred == NULL)
3104                 return -1;
3105
3106         wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
3107
3108         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
3109         if (os_snprintf_error(buflen, ret))
3110                 return -1;
3111         return ret;
3112 }
3113
3114
3115 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
3116                                  struct wpa_cred *cred)
3117 {
3118         struct wpa_ssid *ssid;
3119         char str[20];
3120         int id;
3121
3122         if (cred == NULL) {
3123                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3124                 return -1;
3125         }
3126
3127         id = cred->id;
3128         if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
3129                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3130                 return -1;
3131         }
3132
3133         wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
3134
3135         /* Remove any network entry created based on the removed credential */
3136         ssid = wpa_s->conf->ssid;
3137         while (ssid) {
3138                 if (ssid->parent_cred == cred) {
3139                         int res;
3140
3141                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
3142                                    "used the removed credential", ssid->id);
3143                         res = os_snprintf(str, sizeof(str), "%d", ssid->id);
3144                         if (os_snprintf_error(sizeof(str), res))
3145                                 str[sizeof(str) - 1] = '\0';
3146                         ssid = ssid->next;
3147                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
3148                 } else
3149                         ssid = ssid->next;
3150         }
3151
3152         return 0;
3153 }
3154
3155
3156 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
3157                                                  char *cmd)
3158 {
3159         int id;
3160         struct wpa_cred *cred, *prev;
3161
3162         /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
3163          * "provisioning_sp=<FQDN> */
3164         if (os_strcmp(cmd, "all") == 0) {
3165                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
3166                 cred = wpa_s->conf->cred;
3167                 while (cred) {
3168                         prev = cred;
3169                         cred = cred->next;
3170                         wpas_ctrl_remove_cred(wpa_s, prev);
3171                 }
3172                 return 0;
3173         }
3174
3175         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
3176                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
3177                            cmd + 8);
3178                 cred = wpa_s->conf->cred;
3179                 while (cred) {
3180                         prev = cred;
3181                         cred = cred->next;
3182                         if (prev->domain) {
3183                                 size_t i;
3184                                 for (i = 0; i < prev->num_domain; i++) {
3185                                         if (os_strcmp(prev->domain[i], cmd + 8)
3186                                             != 0)
3187                                                 continue;
3188                                         wpas_ctrl_remove_cred(wpa_s, prev);
3189                                         break;
3190                                 }
3191                         }
3192                 }
3193                 return 0;
3194         }
3195
3196         if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
3197                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
3198                            cmd + 16);
3199                 cred = wpa_s->conf->cred;
3200                 while (cred) {
3201                         prev = cred;
3202                         cred = cred->next;
3203                         if (prev->provisioning_sp &&
3204                             os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
3205                                 wpas_ctrl_remove_cred(wpa_s, prev);
3206                 }
3207                 return 0;
3208         }
3209
3210         id = atoi(cmd);
3211         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
3212
3213         cred = wpa_config_get_cred(wpa_s->conf, id);
3214         return wpas_ctrl_remove_cred(wpa_s, cred);
3215 }
3216
3217
3218 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
3219                                               char *cmd)
3220 {
3221         int id;
3222         struct wpa_cred *cred;
3223         char *name, *value;
3224
3225         /* cmd: "<cred id> <variable name> <value>" */
3226         name = os_strchr(cmd, ' ');
3227         if (name == NULL)
3228                 return -1;
3229         *name++ = '\0';
3230
3231         value = os_strchr(name, ' ');
3232         if (value == NULL)
3233                 return -1;
3234         *value++ = '\0';
3235
3236         id = atoi(cmd);
3237         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
3238                    id, name);
3239         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3240                               (u8 *) value, os_strlen(value));
3241
3242         cred = wpa_config_get_cred(wpa_s->conf, id);
3243         if (cred == NULL) {
3244                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3245                            id);
3246                 return -1;
3247         }
3248
3249         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
3250                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
3251                            "variable '%s'", name);
3252                 return -1;
3253         }
3254
3255         wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
3256
3257         return 0;
3258 }
3259
3260
3261 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
3262                                               char *cmd, char *buf,
3263                                               size_t buflen)
3264 {
3265         int id;
3266         size_t res;
3267         struct wpa_cred *cred;
3268         char *name, *value;
3269
3270         /* cmd: "<cred id> <variable name>" */
3271         name = os_strchr(cmd, ' ');
3272         if (name == NULL)
3273                 return -1;
3274         *name++ = '\0';
3275
3276         id = atoi(cmd);
3277         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
3278                    id, name);
3279
3280         cred = wpa_config_get_cred(wpa_s->conf, id);
3281         if (cred == NULL) {
3282                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3283                            id);
3284                 return -1;
3285         }
3286
3287         value = wpa_config_get_cred_no_key(cred, name);
3288         if (value == NULL) {
3289                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
3290                            name);
3291                 return -1;
3292         }
3293
3294         res = os_strlcpy(buf, value, buflen);
3295         if (res >= buflen) {
3296                 os_free(value);
3297                 return -1;
3298         }
3299
3300         os_free(value);
3301
3302         return res;
3303 }
3304
3305
3306 #ifndef CONFIG_NO_CONFIG_WRITE
3307 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3308 {
3309         int ret;
3310
3311         if (!wpa_s->conf->update_config) {
3312                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3313                            "to update configuration (update_config=0)");
3314                 return -1;
3315         }
3316
3317         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3318         if (ret) {
3319                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3320                            "update configuration");
3321         } else {
3322                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3323                            " updated");
3324         }
3325
3326         return ret;
3327 }
3328 #endif /* CONFIG_NO_CONFIG_WRITE */
3329
3330
3331 struct cipher_info {
3332         unsigned int capa;
3333         const char *name;
3334         int group_only;
3335 };
3336
3337 static const struct cipher_info ciphers[] = {
3338         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3339         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3340         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3341         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3342         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3343         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3344         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3345         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3346 };
3347
3348 static const struct cipher_info ciphers_group_mgmt[] = {
3349         { WPA_DRIVER_CAPA_ENC_BIP, "AES-128-CMAC", 1 },
3350         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_128, "BIP-GMAC-128", 1 },
3351         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_256, "BIP-GMAC-256", 1 },
3352         { WPA_DRIVER_CAPA_ENC_BIP_CMAC_256, "BIP-CMAC-256", 1 },
3353 };
3354
3355
3356 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3357                                               struct wpa_driver_capa *capa,
3358                                               char *buf, size_t buflen)
3359 {
3360         int ret;
3361         char *pos, *end;
3362         size_t len;
3363         unsigned int i;
3364
3365         pos = buf;
3366         end = pos + buflen;
3367
3368         if (res < 0) {
3369                 if (strict)
3370                         return 0;
3371                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3372                 if (len >= buflen)
3373                         return -1;
3374                 return len;
3375         }
3376
3377         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3378                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3379                         ret = os_snprintf(pos, end - pos, "%s%s",
3380                                           pos == buf ? "" : " ",
3381                                           ciphers[i].name);
3382                         if (os_snprintf_error(end - pos, ret))
3383                                 return pos - buf;
3384                         pos += ret;
3385                 }
3386         }
3387
3388         return pos - buf;
3389 }
3390
3391
3392 static int ctrl_iface_get_capability_group(int res, char *strict,
3393                                            struct wpa_driver_capa *capa,
3394                                            char *buf, size_t buflen)
3395 {
3396         int ret;
3397         char *pos, *end;
3398         size_t len;
3399         unsigned int i;
3400
3401         pos = buf;
3402         end = pos + buflen;
3403
3404         if (res < 0) {
3405                 if (strict)
3406                         return 0;
3407                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3408                 if (len >= buflen)
3409                         return -1;
3410                 return len;
3411         }
3412
3413         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3414                 if (capa->enc & ciphers[i].capa) {
3415                         ret = os_snprintf(pos, end - pos, "%s%s",
3416                                           pos == buf ? "" : " ",
3417                                           ciphers[i].name);
3418                         if (os_snprintf_error(end - pos, ret))
3419                                 return pos - buf;
3420                         pos += ret;
3421                 }
3422         }
3423
3424         return pos - buf;
3425 }
3426
3427
3428 static int ctrl_iface_get_capability_group_mgmt(int res, char *strict,
3429                                                 struct wpa_driver_capa *capa,
3430                                                 char *buf, size_t buflen)
3431 {
3432         int ret;
3433         char *pos, *end;
3434         unsigned int i;
3435
3436         pos = buf;
3437         end = pos + buflen;
3438
3439         if (res < 0)
3440                 return 0;
3441
3442         for (i = 0; i < ARRAY_SIZE(ciphers_group_mgmt); i++) {
3443                 if (capa->enc & ciphers_group_mgmt[i].capa) {
3444                         ret = os_snprintf(pos, end - pos, "%s%s",
3445                                           pos == buf ? "" : " ",
3446                                           ciphers_group_mgmt[i].name);
3447                         if (os_snprintf_error(end - pos, ret))
3448                                 return pos - buf;
3449                         pos += ret;
3450                 }
3451         }
3452
3453         return pos - buf;
3454 }
3455
3456
3457 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3458                                               struct wpa_driver_capa *capa,
3459                                               char *buf, size_t buflen)
3460 {
3461         int ret;
3462         char *pos, *end;
3463         size_t len;
3464
3465         pos = buf;
3466         end = pos + buflen;
3467
3468         if (res < 0) {
3469                 if (strict)
3470                         return 0;
3471                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3472                                  "NONE", buflen);
3473                 if (len >= buflen)
3474                         return -1;
3475                 return len;
3476         }
3477
3478         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3479         if (os_snprintf_error(end - pos, ret))
3480                 return pos - buf;
3481         pos += ret;
3482
3483         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3484                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3485                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3486                 if (os_snprintf_error(end - pos, ret))
3487                         return pos - buf;
3488                 pos += ret;
3489         }
3490
3491         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3492                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3493                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3494                 if (os_snprintf_error(end - pos, ret))
3495                         return pos - buf;
3496                 pos += ret;
3497         }
3498
3499         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3500                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3501                 if (os_snprintf_error(end - pos, ret))
3502                         return pos - buf;
3503                 pos += ret;
3504         }
3505
3506         return pos - buf;
3507 }
3508
3509
3510 static int ctrl_iface_get_capability_proto(int res, char *strict,
3511                                            struct wpa_driver_capa *capa,
3512                                            char *buf, size_t buflen)
3513 {
3514         int ret;
3515         char *pos, *end;
3516         size_t len;
3517
3518         pos = buf;
3519         end = pos + buflen;
3520
3521         if (res < 0) {
3522                 if (strict)
3523                         return 0;
3524                 len = os_strlcpy(buf, "RSN WPA", buflen);
3525                 if (len >= buflen)
3526                         return -1;
3527                 return len;
3528         }
3529
3530         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3531                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3532                 ret = os_snprintf(pos, end - pos, "%sRSN",
3533                                   pos == buf ? "" : " ");
3534                 if (os_snprintf_error(end - pos, ret))
3535                         return pos - buf;
3536                 pos += ret;
3537         }
3538
3539         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3540                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3541                 ret = os_snprintf(pos, end - pos, "%sWPA",
3542                                   pos == buf ? "" : " ");
3543                 if (os_snprintf_error(end - pos, ret))
3544                         return pos - buf;
3545                 pos += ret;
3546         }
3547
3548         return pos - buf;
3549 }
3550
3551
3552 static int ctrl_iface_get_capability_auth_alg(struct wpa_supplicant *wpa_s,
3553                                               int res, char *strict,
3554                                               struct wpa_driver_capa *capa,
3555                                               char *buf, size_t buflen)
3556 {
3557         int ret;
3558         char *pos, *end;
3559         size_t len;
3560
3561         pos = buf;
3562         end = pos + buflen;
3563
3564         if (res < 0) {
3565                 if (strict)
3566                         return 0;
3567                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3568                 if (len >= buflen)
3569                         return -1;
3570                 return len;
3571         }
3572
3573         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3574                 ret = os_snprintf(pos, end - pos, "%sOPEN",
3575                                   pos == buf ? "" : " ");
3576                 if (os_snprintf_error(end - pos, ret))
3577                         return pos - buf;
3578                 pos += ret;
3579         }
3580
3581         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3582                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3583                                   pos == buf ? "" : " ");
3584                 if (os_snprintf_error(end - pos, ret))
3585                         return pos - buf;
3586                 pos += ret;
3587         }
3588
3589         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3590                 ret = os_snprintf(pos, end - pos, "%sLEAP",
3591                                   pos == buf ? "" : " ");
3592                 if (os_snprintf_error(end - pos, ret))
3593                         return pos - buf;
3594                 pos += ret;
3595         }
3596
3597 #ifdef CONFIG_SAE
3598         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE) {
3599                 ret = os_snprintf(pos, end - pos, "%sSAE",
3600                                   pos == buf ? "" : " ");
3601                 if (os_snprintf_error(end - pos, ret))
3602                         return pos - buf;
3603                 pos += ret;
3604         }
3605 #endif /* CONFIG_SAE */
3606
3607         return pos - buf;
3608 }
3609
3610
3611 static int ctrl_iface_get_capability_modes(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, "IBSS AP", buflen);
3626                 if (len >= buflen)
3627                         return -1;
3628                 return len;
3629         }
3630
3631         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3632                 ret = os_snprintf(pos, end - pos, "%sIBSS",
3633                                   pos == buf ? "" : " ");
3634                 if (os_snprintf_error(end - pos, ret))
3635                         return pos - buf;
3636                 pos += ret;
3637         }
3638
3639         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3640                 ret = os_snprintf(pos, end - pos, "%sAP",
3641                                   pos == buf ? "" : " ");
3642                 if (os_snprintf_error(end - pos, ret))
3643                         return pos - buf;
3644                 pos += ret;
3645         }
3646
3647 #ifdef CONFIG_MESH
3648         if (capa->flags & WPA_DRIVER_FLAGS_MESH) {
3649                 ret = os_snprintf(pos, end - pos, "%sMESH",
3650                                   pos == buf ? "" : " ");
3651                 if (os_snprintf_error(end - pos, ret))
3652                         return pos - buf;
3653                 pos += ret;
3654         }
3655 #endif /* CONFIG_MESH */
3656
3657         return pos - buf;
3658 }
3659
3660
3661 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3662                                               char *buf, size_t buflen)
3663 {
3664         struct hostapd_channel_data *chnl;
3665         int ret, i, j;
3666         char *pos, *end, *hmode;
3667
3668         pos = buf;
3669         end = pos + buflen;
3670
3671         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3672                 switch (wpa_s->hw.modes[j].mode) {
3673                 case HOSTAPD_MODE_IEEE80211B:
3674                         hmode = "B";
3675                         break;
3676                 case HOSTAPD_MODE_IEEE80211G:
3677                         hmode = "G";
3678                         break;
3679                 case HOSTAPD_MODE_IEEE80211A:
3680                         hmode = "A";
3681                         break;
3682                 case HOSTAPD_MODE_IEEE80211AD:
3683                         hmode = "AD";
3684                         break;
3685                 default:
3686                         continue;
3687                 }
3688                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3689                 if (os_snprintf_error(end - pos, ret))
3690                         return pos - buf;
3691                 pos += ret;
3692                 chnl = wpa_s->hw.modes[j].channels;
3693                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3694                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3695                                 continue;
3696                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3697                         if (os_snprintf_error(end - pos, ret))
3698                                 return pos - buf;
3699                         pos += ret;
3700                 }
3701                 ret = os_snprintf(pos, end - pos, "\n");
3702                 if (os_snprintf_error(end - pos, ret))
3703                         return pos - buf;
3704                 pos += ret;
3705         }
3706
3707         return pos - buf;
3708 }
3709
3710
3711 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3712                                           char *buf, size_t buflen)
3713 {
3714         struct hostapd_channel_data *chnl;
3715         int ret, i, j;
3716         char *pos, *end, *hmode;
3717
3718         pos = buf;
3719         end = pos + buflen;
3720
3721         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3722                 switch (wpa_s->hw.modes[j].mode) {
3723                 case HOSTAPD_MODE_IEEE80211B:
3724                         hmode = "B";
3725                         break;
3726                 case HOSTAPD_MODE_IEEE80211G:
3727                         hmode = "G";
3728                         break;
3729                 case HOSTAPD_MODE_IEEE80211A:
3730                         hmode = "A";
3731                         break;
3732                 case HOSTAPD_MODE_IEEE80211AD:
3733                         hmode = "AD";
3734                         break;
3735                 default:
3736                         continue;
3737                 }
3738                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3739                                   hmode);
3740                 if (os_snprintf_error(end - pos, ret))
3741                         return pos - buf;
3742                 pos += ret;
3743                 chnl = wpa_s->hw.modes[j].channels;
3744                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3745                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3746                                 continue;
3747                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3748                                           chnl[i].chan, chnl[i].freq,
3749                                           chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
3750                                           " (NO_IR)" : "",
3751                                           chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3752                                           " (DFS)" : "");
3753
3754                         if (os_snprintf_error(end - pos, ret))
3755                                 return pos - buf;
3756                         pos += ret;
3757                 }
3758                 ret = os_snprintf(pos, end - pos, "\n");
3759                 if (os_snprintf_error(end - pos, ret))
3760                         return pos - buf;
3761                 pos += ret;
3762         }
3763
3764         return pos - buf;
3765 }
3766
3767
3768 static int wpa_supplicant_ctrl_iface_get_capability(
3769         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3770         size_t buflen)
3771 {
3772         struct wpa_driver_capa capa;
3773         int res;
3774         char *strict;
3775         char field[30];
3776         size_t len;
3777
3778         /* Determine whether or not strict checking was requested */
3779         len = os_strlcpy(field, _field, sizeof(field));
3780         if (len >= sizeof(field))
3781                 return -1;
3782         strict = os_strchr(field, ' ');
3783         if (strict != NULL) {
3784                 *strict++ = '\0';
3785                 if (os_strcmp(strict, "strict") != 0)
3786                         return -1;
3787         }
3788
3789         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3790                 field, strict ? strict : "");
3791
3792         if (os_strcmp(field, "eap") == 0) {
3793                 return eap_get_names(buf, buflen);
3794         }
3795
3796         res = wpa_drv_get_capa(wpa_s, &capa);
3797
3798         if (os_strcmp(field, "pairwise") == 0)
3799                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3800                                                           buf, buflen);
3801
3802         if (os_strcmp(field, "group") == 0)
3803                 return ctrl_iface_get_capability_group(res, strict, &capa,
3804                                                        buf, buflen);
3805
3806         if (os_strcmp(field, "group_mgmt") == 0)
3807                 return ctrl_iface_get_capability_group_mgmt(res, strict, &capa,
3808                                                             buf, buflen);
3809
3810         if (os_strcmp(field, "key_mgmt") == 0)
3811                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3812                                                           buf, buflen);
3813
3814         if (os_strcmp(field, "proto") == 0)
3815                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3816                                                        buf, buflen);
3817
3818         if (os_strcmp(field, "auth_alg") == 0)
3819                 return ctrl_iface_get_capability_auth_alg(wpa_s, res, strict,
3820                                                           &capa, buf, buflen);
3821
3822         if (os_strcmp(field, "modes") == 0)
3823                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3824                                                        buf, buflen);
3825
3826         if (os_strcmp(field, "channels") == 0)
3827                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3828
3829         if (os_strcmp(field, "freq") == 0)
3830                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3831
3832 #ifdef CONFIG_TDLS
3833         if (os_strcmp(field, "tdls") == 0)
3834                 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3835 #endif /* CONFIG_TDLS */
3836
3837 #ifdef CONFIG_ERP
3838         if (os_strcmp(field, "erp") == 0) {
3839                 res = os_snprintf(buf, buflen, "ERP");
3840                 if (os_snprintf_error(buflen, res))
3841                         return -1;
3842                 return res;
3843         }
3844 #endif /* CONFIG_EPR */
3845
3846         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3847                    field);
3848
3849         return -1;
3850 }
3851
3852
3853 #ifdef CONFIG_INTERWORKING
3854 static char * anqp_add_hex(char *pos, char *end, const char *title,
3855                            struct wpabuf *data)
3856 {
3857         char *start = pos;
3858         size_t i;
3859         int ret;
3860         const u8 *d;
3861
3862         if (data == NULL)
3863                 return start;
3864
3865         ret = os_snprintf(pos, end - pos, "%s=", title);
3866         if (os_snprintf_error(end - pos, ret))
3867                 return start;
3868         pos += ret;
3869
3870         d = wpabuf_head_u8(data);
3871         for (i = 0; i < wpabuf_len(data); i++) {
3872                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3873                 if (os_snprintf_error(end - pos, ret))
3874                         return start;
3875                 pos += ret;
3876         }
3877
3878         ret = os_snprintf(pos, end - pos, "\n");
3879         if (os_snprintf_error(end - pos, ret))
3880                 return start;
3881         pos += ret;
3882
3883         return pos;
3884 }
3885 #endif /* CONFIG_INTERWORKING */
3886
3887
3888 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3889                           unsigned long mask, char *buf, size_t buflen)
3890 {
3891         size_t i;
3892         int ret;
3893         char *pos, *end;
3894         const u8 *ie, *ie2;
3895
3896         pos = buf;
3897         end = buf + buflen;
3898
3899         if (mask & WPA_BSS_MASK_ID) {
3900                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3901                 if (os_snprintf_error(end - pos, ret))
3902                         return 0;
3903                 pos += ret;
3904         }
3905
3906         if (mask & WPA_BSS_MASK_BSSID) {
3907                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3908                                   MAC2STR(bss->bssid));
3909                 if (os_snprintf_error(end - pos, ret))
3910                         return 0;
3911                 pos += ret;
3912         }
3913
3914         if (mask & WPA_BSS_MASK_FREQ) {
3915                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3916                 if (os_snprintf_error(end - pos, ret))
3917                         return 0;
3918                 pos += ret;
3919         }
3920
3921         if (mask & WPA_BSS_MASK_BEACON_INT) {
3922                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3923                                   bss->beacon_int);
3924                 if (os_snprintf_error(end - pos, ret))
3925                         return 0;
3926                 pos += ret;
3927         }
3928
3929         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3930                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3931                                   bss->caps);
3932                 if (os_snprintf_error(end - pos, ret))
3933                         return 0;
3934                 pos += ret;
3935         }
3936
3937         if (mask & WPA_BSS_MASK_QUAL) {
3938                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3939                 if (os_snprintf_error(end - pos, ret))
3940                         return 0;
3941                 pos += ret;
3942         }
3943
3944         if (mask & WPA_BSS_MASK_NOISE) {
3945                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3946                 if (os_snprintf_error(end - pos, ret))
3947                         return 0;
3948                 pos += ret;
3949         }
3950
3951         if (mask & WPA_BSS_MASK_LEVEL) {
3952                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3953                 if (os_snprintf_error(end - pos, ret))
3954                         return 0;
3955                 pos += ret;
3956         }
3957
3958         if (mask & WPA_BSS_MASK_TSF) {
3959                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3960                                   (unsigned long long) bss->tsf);
3961                 if (os_snprintf_error(end - pos, ret))
3962                         return 0;
3963                 pos += ret;
3964         }
3965
3966         if (mask & WPA_BSS_MASK_AGE) {
3967                 struct os_reltime now;
3968
3969                 os_get_reltime(&now);
3970                 ret = os_snprintf(pos, end - pos, "age=%d\n",
3971                                   (int) (now.sec - bss->last_update.sec));
3972                 if (os_snprintf_error(end - pos, ret))
3973                         return 0;
3974                 pos += ret;
3975         }
3976
3977         if (mask & WPA_BSS_MASK_IE) {
3978                 ret = os_snprintf(pos, end - pos, "ie=");
3979                 if (os_snprintf_error(end - pos, ret))
3980                         return 0;
3981                 pos += ret;
3982
3983                 ie = (const u8 *) (bss + 1);
3984                 for (i = 0; i < bss->ie_len; i++) {
3985                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3986                         if (os_snprintf_error(end - pos, ret))
3987                                 return 0;
3988                         pos += ret;
3989                 }
3990
3991                 ret = os_snprintf(pos, end - pos, "\n");
3992                 if (os_snprintf_error(end - pos, ret))
3993                         return 0;
3994                 pos += ret;
3995         }
3996
3997         if (mask & WPA_BSS_MASK_FLAGS) {
3998                 ret = os_snprintf(pos, end - pos, "flags=");
3999                 if (os_snprintf_error(end - pos, ret))
4000                         return 0;
4001                 pos += ret;
4002
4003                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
4004                 if (ie)
4005                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
4006                                                     2 + ie[1]);
4007                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4008                 if (ie2)
4009                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
4010                                                     2 + ie2[1]);
4011                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
4012                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
4013                         ret = os_snprintf(pos, end - pos, "[WEP]");
4014                         if (os_snprintf_error(end - pos, ret))
4015                                 return 0;
4016                         pos += ret;
4017                 }
4018                 if (bss_is_dmg(bss)) {
4019                         const char *s;
4020                         ret = os_snprintf(pos, end - pos, "[DMG]");
4021                         if (os_snprintf_error(end - pos, ret))
4022                                 return 0;
4023                         pos += ret;
4024                         switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
4025                         case IEEE80211_CAP_DMG_IBSS:
4026                                 s = "[IBSS]";
4027                                 break;
4028                         case IEEE80211_CAP_DMG_AP:
4029                                 s = "[ESS]";
4030                                 break;
4031                         case IEEE80211_CAP_DMG_PBSS:
4032                                 s = "[PBSS]";
4033                                 break;
4034                         default:
4035                                 s = "";
4036                                 break;
4037                         }
4038                         ret = os_snprintf(pos, end - pos, "%s", s);
4039                         if (os_snprintf_error(end - pos, ret))
4040                                 return 0;
4041                         pos += ret;
4042                 } else {
4043                         if (bss->caps & IEEE80211_CAP_IBSS) {
4044                                 ret = os_snprintf(pos, end - pos, "[IBSS]");
4045                                 if (os_snprintf_error(end - pos, ret))
4046                                         return 0;
4047                                 pos += ret;
4048                         }
4049                         if (bss->caps & IEEE80211_CAP_ESS) {
4050                                 ret = os_snprintf(pos, end - pos, "[ESS]");
4051                                 if (os_snprintf_error(end - pos, ret))
4052                                         return 0;
4053                                 pos += ret;
4054                         }
4055                 }
4056                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
4057                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
4058                         ret = os_snprintf(pos, end - pos, "[P2P]");
4059                         if (os_snprintf_error(end - pos, ret))
4060                                 return 0;
4061                         pos += ret;
4062                 }
4063 #ifdef CONFIG_HS20
4064                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
4065                         ret = os_snprintf(pos, end - pos, "[HS20]");
4066                         if (os_snprintf_error(end - pos, ret))
4067                                 return 0;
4068                         pos += ret;
4069                 }
4070 #endif /* CONFIG_HS20 */
4071
4072                 ret = os_snprintf(pos, end - pos, "\n");
4073                 if (os_snprintf_error(end - pos, ret))
4074                         return 0;
4075                 pos += ret;
4076         }
4077
4078         if (mask & WPA_BSS_MASK_SSID) {
4079                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
4080                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
4081                 if (os_snprintf_error(end - pos, ret))
4082                         return 0;
4083                 pos += ret;
4084         }
4085
4086 #ifdef CONFIG_WPS
4087         if (mask & WPA_BSS_MASK_WPS_SCAN) {
4088                 ie = (const u8 *) (bss + 1);
4089                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
4090                 if (ret < 0 || ret >= end - pos)
4091                         return 0;
4092                 pos += ret;
4093         }
4094 #endif /* CONFIG_WPS */
4095
4096 #ifdef CONFIG_P2P
4097         if (mask & WPA_BSS_MASK_P2P_SCAN) {
4098                 ie = (const u8 *) (bss + 1);
4099                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
4100                 if (ret < 0 || ret >= end - pos)
4101                         return 0;
4102                 pos += ret;
4103         }
4104 #endif /* CONFIG_P2P */
4105
4106 #ifdef CONFIG_WIFI_DISPLAY
4107         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
4108                 struct wpabuf *wfd;
4109                 ie = (const u8 *) (bss + 1);
4110                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
4111                                                   WFD_IE_VENDOR_TYPE);
4112                 if (wfd) {
4113                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
4114                         if (os_snprintf_error(end - pos, ret)) {
4115                                 wpabuf_free(wfd);
4116                                 return 0;
4117                         }
4118                         pos += ret;
4119
4120                         pos += wpa_snprintf_hex(pos, end - pos,
4121                                                 wpabuf_head(wfd),
4122                                                 wpabuf_len(wfd));
4123                         wpabuf_free(wfd);
4124
4125                         ret = os_snprintf(pos, end - pos, "\n");
4126                         if (os_snprintf_error(end - pos, ret))
4127                                 return 0;
4128                         pos += ret;
4129                 }
4130         }
4131 #endif /* CONFIG_WIFI_DISPLAY */
4132
4133 #ifdef CONFIG_INTERWORKING
4134         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
4135                 struct wpa_bss_anqp *anqp = bss->anqp;
4136                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
4137                                    anqp->venue_name);
4138                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4139                                    anqp->network_auth_type);
4140                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4141                                    anqp->roaming_consortium);
4142                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4143                                    anqp->ip_addr_type_availability);
4144                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4145                                    anqp->nai_realm);
4146                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4147                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
4148                                    anqp->domain_name);
4149 #ifdef CONFIG_HS20
4150                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4151                                    anqp->hs20_operator_friendly_name);
4152                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4153                                    anqp->hs20_wan_metrics);
4154                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4155                                    anqp->hs20_connection_capability);
4156                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
4157                                    anqp->hs20_operating_class);
4158                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4159                                    anqp->hs20_osu_providers_list);
4160 #endif /* CONFIG_HS20 */
4161         }
4162 #endif /* CONFIG_INTERWORKING */
4163
4164 #ifdef CONFIG_MESH
4165         if (mask & WPA_BSS_MASK_MESH_SCAN) {
4166                 ie = (const u8 *) (bss + 1);
4167                 ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4168                 if (ret < 0 || ret >= end - pos)
4169                         return 0;
4170                 pos += ret;
4171         }
4172 #endif /* CONFIG_MESH */
4173
4174         if (mask & WPA_BSS_MASK_DELIM) {
4175                 ret = os_snprintf(pos, end - pos, "====\n");
4176                 if (os_snprintf_error(end - pos, ret))
4177                         return 0;
4178                 pos += ret;
4179         }
4180
4181         return pos - buf;
4182 }
4183
4184
4185 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
4186                                          const char *cmd, char *buf,
4187                                          size_t buflen)
4188 {
4189         u8 bssid[ETH_ALEN];
4190         size_t i;
4191         struct wpa_bss *bss;
4192         struct wpa_bss *bsslast = NULL;
4193         struct dl_list *next;
4194         int ret = 0;
4195         int len;
4196         char *ctmp, *end = buf + buflen;
4197         unsigned long mask = WPA_BSS_MASK_ALL;
4198
4199         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
4200                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
4201                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
4202                                             list_id);
4203                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
4204                                                list_id);
4205                 } else { /* N1-N2 */
4206                         unsigned int id1, id2;
4207
4208                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
4209                                 wpa_printf(MSG_INFO, "Wrong BSS range "
4210                                            "format");
4211                                 return 0;
4212                         }
4213
4214                         if (*(cmd + 6) == '-')
4215                                 id1 = 0;
4216                         else
4217                                 id1 = atoi(cmd + 6);
4218                         ctmp++;
4219                         if (*ctmp >= '0' && *ctmp <= '9')
4220                                 id2 = atoi(ctmp);
4221                         else
4222                                 id2 = (unsigned int) -1;
4223                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4224                         if (id2 == (unsigned int) -1)
4225                                 bsslast = dl_list_last(&wpa_s->bss_id,
4226                                                        struct wpa_bss,
4227                                                        list_id);
4228                         else {
4229                                 bsslast = wpa_bss_get_id(wpa_s, id2);
4230                                 if (bsslast == NULL && bss && id2 > id1) {
4231                                         struct wpa_bss *tmp = bss;
4232                                         for (;;) {
4233                                                 next = tmp->list_id.next;
4234                                                 if (next == &wpa_s->bss_id)
4235                                                         break;
4236                                                 tmp = dl_list_entry(
4237                                                         next, struct wpa_bss,
4238                                                         list_id);
4239                                                 if (tmp->id > id2)
4240                                                         break;
4241                                                 bsslast = tmp;
4242                                         }
4243                                 }
4244                         }
4245                 }
4246         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
4247                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4248         else if (os_strncmp(cmd, "LAST", 4) == 0)
4249                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4250         else if (os_strncmp(cmd, "ID-", 3) == 0) {
4251                 i = atoi(cmd + 3);
4252                 bss = wpa_bss_get_id(wpa_s, i);
4253         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4254                 i = atoi(cmd + 5);
4255                 bss = wpa_bss_get_id(wpa_s, i);
4256                 if (bss) {
4257                         next = bss->list_id.next;
4258                         if (next == &wpa_s->bss_id)
4259                                 bss = NULL;
4260                         else
4261                                 bss = dl_list_entry(next, struct wpa_bss,
4262                                                     list_id);
4263                 }
4264 #ifdef CONFIG_P2P
4265         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4266                 if (hwaddr_aton(cmd + 13, bssid) == 0)
4267                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4268                 else
4269                         bss = NULL;
4270 #endif /* CONFIG_P2P */
4271         } else if (hwaddr_aton(cmd, bssid) == 0)
4272                 bss = wpa_bss_get_bssid(wpa_s, bssid);
4273         else {
4274                 struct wpa_bss *tmp;
4275                 i = atoi(cmd);
4276                 bss = NULL;
4277                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4278                 {
4279                         if (i-- == 0) {
4280                                 bss = tmp;
4281                                 break;
4282                         }
4283                 }
4284         }
4285
4286         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4287                 mask = strtoul(ctmp + 5, NULL, 0x10);
4288                 if (mask == 0)
4289                         mask = WPA_BSS_MASK_ALL;
4290         }
4291
4292         if (bss == NULL)
4293                 return 0;
4294
4295         if (bsslast == NULL)
4296                 bsslast = bss;
4297         do {
4298                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4299                 ret += len;
4300                 buf += len;
4301                 buflen -= len;
4302                 if (bss == bsslast) {
4303                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
4304                             (bss == dl_list_last(&wpa_s->bss_id,
4305                                                  struct wpa_bss, list_id))) {
4306                                 int res;
4307
4308                                 res = os_snprintf(buf - 5, end - buf + 5,
4309                                                   "####\n");
4310                                 if (os_snprintf_error(end - buf + 5, res)) {
4311                                         wpa_printf(MSG_DEBUG,
4312                                                    "Could not add end delim");
4313                                 }
4314                         }
4315                         break;
4316                 }
4317                 next = bss->list_id.next;
4318                 if (next == &wpa_s->bss_id)
4319                         break;
4320                 bss = dl_list_entry(next, struct wpa_bss, list_id);
4321         } while (bss && len);
4322
4323         return ret;
4324 }
4325
4326
4327 static int wpa_supplicant_ctrl_iface_ap_scan(
4328         struct wpa_supplicant *wpa_s, char *cmd)
4329 {
4330         int ap_scan = atoi(cmd);
4331         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4332 }
4333
4334
4335 static int wpa_supplicant_ctrl_iface_scan_interval(
4336         struct wpa_supplicant *wpa_s, char *cmd)
4337 {
4338         int scan_int = atoi(cmd);
4339         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4340 }
4341
4342
4343 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4344         struct wpa_supplicant *wpa_s, char *cmd)
4345 {
4346         int expire_age = atoi(cmd);
4347         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4348 }
4349
4350
4351 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4352         struct wpa_supplicant *wpa_s, char *cmd)
4353 {
4354         int expire_count = atoi(cmd);
4355         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4356 }
4357
4358
4359 static void wpa_supplicant_ctrl_iface_bss_flush(
4360         struct wpa_supplicant *wpa_s, char *cmd)
4361 {
4362         int flush_age = atoi(cmd);
4363
4364         if (flush_age == 0)
4365                 wpa_bss_flush(wpa_s);
4366         else
4367                 wpa_bss_flush_by_age(wpa_s, flush_age);
4368 }
4369
4370
4371 #ifdef CONFIG_TESTING_OPTIONS
4372 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4373 {
4374         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4375         /* MLME-DELETEKEYS.request */
4376         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4377         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4378         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4379         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4380 #ifdef CONFIG_IEEE80211W
4381         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4382         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4383 #endif /* CONFIG_IEEE80211W */
4384
4385         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4386                         0);
4387         /* MLME-SETPROTECTION.request(None) */
4388         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4389                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4390                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4391         wpa_sm_drop_sa(wpa_s->wpa);
4392 }
4393 #endif /* CONFIG_TESTING_OPTIONS */
4394
4395
4396 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4397                                           char *addr)
4398 {
4399 #ifdef CONFIG_NO_SCAN_PROCESSING
4400         return -1;
4401 #else /* CONFIG_NO_SCAN_PROCESSING */
4402         u8 bssid[ETH_ALEN];
4403         struct wpa_bss *bss;
4404         struct wpa_ssid *ssid = wpa_s->current_ssid;
4405
4406         if (hwaddr_aton(addr, bssid)) {
4407                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4408                            "address '%s'", addr);
4409                 return -1;
4410         }
4411
4412         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4413
4414         if (!ssid) {
4415                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4416                            "configuration known for the target AP");
4417                 return -1;
4418         }
4419
4420         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4421         if (!bss) {
4422                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4423                            "from BSS table");
4424                 return -1;
4425         }
4426
4427         /*
4428          * TODO: Find best network configuration block from configuration to
4429          * allow roaming to other networks
4430          */
4431
4432         wpa_s->reassociate = 1;
4433         wpa_supplicant_connect(wpa_s, bss, ssid);
4434
4435         return 0;
4436 #endif /* CONFIG_NO_SCAN_PROCESSING */
4437 }
4438
4439
4440 #ifdef CONFIG_P2P
4441 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4442 {
4443         unsigned int timeout = atoi(cmd);
4444         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4445         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4446         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4447         char *pos;
4448         unsigned int search_delay;
4449
4450         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4451                 wpa_dbg(wpa_s, MSG_INFO,
4452                         "Reject P2P_FIND since interface is disabled");
4453                 return -1;
4454         }
4455         if (os_strstr(cmd, "type=social"))
4456                 type = P2P_FIND_ONLY_SOCIAL;
4457         else if (os_strstr(cmd, "type=progressive"))
4458                 type = P2P_FIND_PROGRESSIVE;
4459
4460         pos = os_strstr(cmd, "dev_id=");
4461         if (pos) {
4462                 pos += 7;
4463                 if (hwaddr_aton(pos, dev_id))
4464                         return -1;
4465                 _dev_id = dev_id;
4466         }
4467
4468         pos = os_strstr(cmd, "dev_type=");
4469         if (pos) {
4470                 pos += 9;
4471                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4472                         return -1;
4473                 _dev_type = dev_type;
4474         }
4475
4476         pos = os_strstr(cmd, "delay=");
4477         if (pos) {
4478                 pos += 6;
4479                 search_delay = atoi(pos);
4480         } else
4481                 search_delay = wpas_p2p_search_delay(wpa_s);
4482
4483         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4484                              _dev_id, search_delay);
4485 }
4486
4487
4488 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4489                             char *buf, size_t buflen)
4490 {
4491         u8 addr[ETH_ALEN];
4492         char *pos, *pos2;
4493         char *pin = NULL;
4494         enum p2p_wps_method wps_method;
4495         int new_pin;
4496         int ret;
4497         int persistent_group, persistent_id = -1;
4498         int join;
4499         int auth;
4500         int automatic;
4501         int go_intent = -1;
4502         int freq = 0;
4503         int pd;
4504         int ht40, vht;
4505
4506         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
4507          * [persistent|persistent=<network id>]
4508          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4509          * [ht40] [vht] */
4510
4511         if (hwaddr_aton(cmd, addr))
4512                 return -1;
4513
4514         pos = cmd + 17;
4515         if (*pos != ' ')
4516                 return -1;
4517         pos++;
4518
4519         persistent_group = os_strstr(pos, " persistent") != NULL;
4520         pos2 = os_strstr(pos, " persistent=");
4521         if (pos2) {
4522                 struct wpa_ssid *ssid;
4523                 persistent_id = atoi(pos2 + 12);
4524                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4525                 if (ssid == NULL || ssid->disabled != 2 ||
4526                     ssid->mode != WPAS_MODE_P2P_GO) {
4527                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4528                                    "SSID id=%d for persistent P2P group (GO)",
4529                                    persistent_id);
4530                         return -1;
4531                 }
4532         }
4533         join = os_strstr(pos, " join") != NULL;
4534         auth = os_strstr(pos, " auth") != NULL;
4535         automatic = os_strstr(pos, " auto") != NULL;
4536         pd = os_strstr(pos, " provdisc") != NULL;
4537         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4538         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4539                 vht;
4540
4541         pos2 = os_strstr(pos, " go_intent=");
4542         if (pos2) {
4543                 pos2 += 11;
4544                 go_intent = atoi(pos2);
4545                 if (go_intent < 0 || go_intent > 15)
4546                         return -1;
4547         }
4548
4549         pos2 = os_strstr(pos, " freq=");
4550         if (pos2) {
4551                 pos2 += 6;
4552                 freq = atoi(pos2);
4553                 if (freq <= 0)
4554                         return -1;
4555         }
4556
4557         if (os_strncmp(pos, "pin", 3) == 0) {
4558                 /* Request random PIN (to be displayed) and enable the PIN */
4559                 wps_method = WPS_PIN_DISPLAY;
4560         } else if (os_strncmp(pos, "pbc", 3) == 0) {
4561                 wps_method = WPS_PBC;
4562         } else {
4563                 pin = pos;
4564                 pos = os_strchr(pin, ' ');
4565                 wps_method = WPS_PIN_KEYPAD;
4566                 if (pos) {
4567                         *pos++ = '\0';
4568                         if (os_strncmp(pos, "display", 7) == 0)
4569                                 wps_method = WPS_PIN_DISPLAY;
4570                 }
4571                 if (!wps_pin_str_valid(pin)) {
4572                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
4573                         return 17;
4574                 }
4575         }
4576
4577         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
4578                                    persistent_group, automatic, join,
4579                                    auth, go_intent, freq, persistent_id, pd,
4580                                    ht40, vht);
4581         if (new_pin == -2) {
4582                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
4583                 return 25;
4584         }
4585         if (new_pin == -3) {
4586                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
4587                 return 25;
4588         }
4589         if (new_pin < 0)
4590                 return -1;
4591         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
4592                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
4593                 if (os_snprintf_error(buflen, ret))
4594                         return -1;
4595                 return ret;
4596         }
4597
4598         os_memcpy(buf, "OK\n", 3);
4599         return 3;
4600 }
4601
4602
4603 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
4604 {
4605         unsigned int timeout = atoi(cmd);
4606         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4607                 wpa_dbg(wpa_s, MSG_INFO,
4608                         "Reject P2P_LISTEN since interface is disabled");
4609                 return -1;
4610         }
4611         return wpas_p2p_listen(wpa_s, timeout);
4612 }
4613
4614
4615 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
4616 {
4617         u8 addr[ETH_ALEN];
4618         char *pos;
4619         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
4620
4621         /* <addr> <config method> [join|auto] */
4622
4623         if (hwaddr_aton(cmd, addr))
4624                 return -1;
4625
4626         pos = cmd + 17;
4627         if (*pos != ' ')
4628                 return -1;
4629         pos++;
4630
4631         if (os_strstr(pos, " join") != NULL)
4632                 use = WPAS_P2P_PD_FOR_JOIN;
4633         else if (os_strstr(pos, " auto") != NULL)
4634                 use = WPAS_P2P_PD_AUTO;
4635
4636         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
4637 }
4638
4639
4640 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
4641                               size_t buflen)
4642 {
4643         struct wpa_ssid *ssid = wpa_s->current_ssid;
4644
4645         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
4646             ssid->passphrase == NULL)
4647                 return -1;
4648
4649         os_strlcpy(buf, ssid->passphrase, buflen);
4650         return os_strlen(buf);
4651 }
4652
4653
4654 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
4655                                   char *buf, size_t buflen)
4656 {
4657         u64 ref;
4658         int res;
4659         u8 dst_buf[ETH_ALEN], *dst;
4660         struct wpabuf *tlvs;
4661         char *pos;
4662         size_t len;
4663
4664         if (hwaddr_aton(cmd, dst_buf))
4665                 return -1;
4666         dst = dst_buf;
4667         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
4668             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
4669                 dst = NULL;
4670         pos = cmd + 17;
4671         if (*pos != ' ')
4672                 return -1;
4673         pos++;
4674
4675         if (os_strncmp(pos, "upnp ", 5) == 0) {
4676                 u8 version;
4677                 pos += 5;
4678                 if (hexstr2bin(pos, &version, 1) < 0)
4679                         return -1;
4680                 pos += 2;
4681                 if (*pos != ' ')
4682                         return -1;
4683                 pos++;
4684                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
4685 #ifdef CONFIG_WIFI_DISPLAY
4686         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
4687                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
4688 #endif /* CONFIG_WIFI_DISPLAY */
4689         } else {
4690                 len = os_strlen(pos);
4691                 if (len & 1)
4692                         return -1;
4693                 len /= 2;
4694                 tlvs = wpabuf_alloc(len);
4695                 if (tlvs == NULL)
4696                         return -1;
4697                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
4698                         wpabuf_free(tlvs);
4699                         return -1;
4700                 }
4701
4702                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
4703                 wpabuf_free(tlvs);
4704         }
4705         if (ref == 0)
4706                 return -1;
4707         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
4708         if (os_snprintf_error(buflen, res))
4709                 return -1;
4710         return res;
4711 }
4712
4713
4714 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
4715                                          char *cmd)
4716 {
4717         long long unsigned val;
4718         u64 req;
4719         if (sscanf(cmd, "%llx", &val) != 1)
4720                 return -1;
4721         req = val;
4722         return wpas_p2p_sd_cancel_request(wpa_s, req);
4723 }
4724
4725
4726 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
4727 {
4728         int freq;
4729         u8 dst[ETH_ALEN];
4730         u8 dialog_token;
4731         struct wpabuf *resp_tlvs;
4732         char *pos, *pos2;
4733         size_t len;
4734
4735         pos = os_strchr(cmd, ' ');
4736         if (pos == NULL)
4737                 return -1;
4738         *pos++ = '\0';
4739         freq = atoi(cmd);
4740         if (freq == 0)
4741                 return -1;
4742
4743         if (hwaddr_aton(pos, dst))
4744                 return -1;
4745         pos += 17;
4746         if (*pos != ' ')
4747                 return -1;
4748         pos++;
4749
4750         pos2 = os_strchr(pos, ' ');
4751         if (pos2 == NULL)
4752                 return -1;
4753         *pos2++ = '\0';
4754         dialog_token = atoi(pos);
4755
4756         len = os_strlen(pos2);
4757         if (len & 1)
4758                 return -1;
4759         len /= 2;
4760         resp_tlvs = wpabuf_alloc(len);
4761         if (resp_tlvs == NULL)
4762                 return -1;
4763         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
4764                 wpabuf_free(resp_tlvs);
4765                 return -1;
4766         }
4767
4768         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
4769         wpabuf_free(resp_tlvs);
4770         return 0;
4771 }
4772
4773
4774 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
4775                                        char *cmd)
4776 {
4777         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
4778                 return -1;
4779         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
4780         return 0;
4781 }
4782
4783
4784 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
4785                                         char *cmd)
4786 {
4787         char *pos;
4788         size_t len;
4789         struct wpabuf *query, *resp;
4790
4791         pos = os_strchr(cmd, ' ');
4792         if (pos == NULL)
4793                 return -1;
4794         *pos++ = '\0';
4795
4796         len = os_strlen(cmd);
4797         if (len & 1)
4798                 return -1;
4799         len /= 2;
4800         query = wpabuf_alloc(len);
4801         if (query == NULL)
4802                 return -1;
4803         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4804                 wpabuf_free(query);
4805                 return -1;
4806         }
4807
4808         len = os_strlen(pos);
4809         if (len & 1) {
4810                 wpabuf_free(query);
4811                 return -1;
4812         }
4813         len /= 2;
4814         resp = wpabuf_alloc(len);
4815         if (resp == NULL) {
4816                 wpabuf_free(query);
4817                 return -1;
4818         }
4819         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
4820                 wpabuf_free(query);
4821                 wpabuf_free(resp);
4822                 return -1;
4823         }
4824
4825         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
4826                 wpabuf_free(query);
4827                 wpabuf_free(resp);
4828                 return -1;
4829         }
4830         return 0;
4831 }
4832
4833
4834 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4835 {
4836         char *pos;
4837         u8 version;
4838
4839         pos = os_strchr(cmd, ' ');
4840         if (pos == NULL)
4841                 return -1;
4842         *pos++ = '\0';
4843
4844         if (hexstr2bin(cmd, &version, 1) < 0)
4845                 return -1;
4846
4847         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
4848 }
4849
4850
4851 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
4852 {
4853         char *pos;
4854
4855         pos = os_strchr(cmd, ' ');
4856         if (pos == NULL)
4857                 return -1;
4858         *pos++ = '\0';
4859
4860         if (os_strcmp(cmd, "bonjour") == 0)
4861                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
4862         if (os_strcmp(cmd, "upnp") == 0)
4863                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
4864         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4865         return -1;
4866 }
4867
4868
4869 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
4870                                         char *cmd)
4871 {
4872         size_t len;
4873         struct wpabuf *query;
4874         int ret;
4875
4876         len = os_strlen(cmd);
4877         if (len & 1)
4878                 return -1;
4879         len /= 2;
4880         query = wpabuf_alloc(len);
4881         if (query == NULL)
4882                 return -1;
4883         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4884                 wpabuf_free(query);
4885                 return -1;
4886         }
4887
4888         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
4889         wpabuf_free(query);
4890         return ret;
4891 }
4892
4893
4894 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4895 {
4896         char *pos;
4897         u8 version;
4898
4899         pos = os_strchr(cmd, ' ');
4900         if (pos == NULL)
4901                 return -1;
4902         *pos++ = '\0';
4903
4904         if (hexstr2bin(cmd, &version, 1) < 0)
4905                 return -1;
4906
4907         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4908 }
4909
4910
4911 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4912 {
4913         char *pos;
4914
4915         pos = os_strchr(cmd, ' ');
4916         if (pos == NULL)
4917                 return -1;
4918         *pos++ = '\0';
4919
4920         if (os_strcmp(cmd, "bonjour") == 0)
4921                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4922         if (os_strcmp(cmd, "upnp") == 0)
4923                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
4924         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4925         return -1;
4926 }
4927
4928
4929 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4930 {
4931         u8 addr[ETH_ALEN];
4932
4933         /* <addr> */
4934
4935         if (hwaddr_aton(cmd, addr))
4936                 return -1;
4937
4938         return wpas_p2p_reject(wpa_s, addr);
4939 }
4940
4941
4942 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
4943 {
4944         char *pos;
4945         int id;
4946         struct wpa_ssid *ssid;
4947         u8 *_peer = NULL, peer[ETH_ALEN];
4948         int freq = 0, pref_freq = 0;
4949         int ht40, vht;
4950
4951         id = atoi(cmd);
4952         pos = os_strstr(cmd, " peer=");
4953         if (pos) {
4954                 pos += 6;
4955                 if (hwaddr_aton(pos, peer))
4956                         return -1;
4957                 _peer = peer;
4958         }
4959         ssid = wpa_config_get_network(wpa_s->conf, id);
4960         if (ssid == NULL || ssid->disabled != 2) {
4961                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4962                            "for persistent P2P group",
4963                            id);
4964                 return -1;
4965         }
4966
4967         pos = os_strstr(cmd, " freq=");
4968         if (pos) {
4969                 pos += 6;
4970                 freq = atoi(pos);
4971                 if (freq <= 0)
4972                         return -1;
4973         }
4974
4975         pos = os_strstr(cmd, " pref=");
4976         if (pos) {
4977                 pos += 6;
4978                 pref_freq = atoi(pos);
4979                 if (pref_freq <= 0)
4980                         return -1;
4981         }
4982
4983         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4984         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4985                 vht;
4986
4987         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
4988                                pref_freq);
4989 }
4990
4991
4992 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4993 {
4994         char *pos;
4995         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4996
4997         pos = os_strstr(cmd, " peer=");
4998         if (!pos)
4999                 return -1;
5000
5001         *pos = '\0';
5002         pos += 6;
5003         if (hwaddr_aton(pos, peer)) {
5004                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
5005                 return -1;
5006         }
5007
5008         pos = os_strstr(pos, " go_dev_addr=");
5009         if (pos) {
5010                 pos += 13;
5011                 if (hwaddr_aton(pos, go_dev_addr)) {
5012                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
5013                                    pos);
5014                         return -1;
5015                 }
5016                 go_dev = go_dev_addr;
5017         }
5018
5019         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
5020 }
5021
5022
5023 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
5024 {
5025         if (os_strncmp(cmd, "persistent=", 11) == 0)
5026                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
5027         if (os_strncmp(cmd, "group=", 6) == 0)
5028                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
5029
5030         return -1;
5031 }
5032
5033
5034 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
5035                                          char *cmd, int freq, int ht40,
5036                                          int vht)
5037 {
5038         int id;
5039         struct wpa_ssid *ssid;
5040
5041         id = atoi(cmd);
5042         ssid = wpa_config_get_network(wpa_s->conf, id);
5043         if (ssid == NULL || ssid->disabled != 2) {
5044                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5045                            "for persistent P2P group",
5046                            id);
5047                 return -1;
5048         }
5049
5050         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
5051                                              NULL, 0);
5052 }
5053
5054
5055 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
5056 {
5057         int freq = 0, ht40, vht;
5058         char *pos;
5059
5060         pos = os_strstr(cmd, "freq=");
5061         if (pos)
5062                 freq = atoi(pos + 5);
5063
5064         vht = (os_strstr(cmd, "vht") != NULL) || wpa_s->conf->p2p_go_vht;
5065         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5066                 vht;
5067
5068         if (os_strncmp(cmd, "persistent=", 11) == 0)
5069                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
5070                                                      ht40, vht);
5071         if (os_strcmp(cmd, "persistent") == 0 ||
5072             os_strncmp(cmd, "persistent ", 11) == 0)
5073                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40, vht);
5074         if (os_strncmp(cmd, "freq=", 5) == 0)
5075                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
5076         if (ht40)
5077                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
5078
5079         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
5080                    cmd);
5081         return -1;
5082 }
5083
5084
5085 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
5086                          char *buf, size_t buflen)
5087 {
5088         u8 addr[ETH_ALEN], *addr_ptr;
5089         int next, res;
5090         const struct p2p_peer_info *info;
5091         char *pos, *end;
5092         char devtype[WPS_DEV_TYPE_BUFSIZE];
5093         struct wpa_ssid *ssid;
5094         size_t i;
5095
5096         if (!wpa_s->global->p2p)
5097                 return -1;
5098
5099         if (os_strcmp(cmd, "FIRST") == 0) {
5100                 addr_ptr = NULL;
5101                 next = 0;
5102         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5103                 if (hwaddr_aton(cmd + 5, addr) < 0)
5104                         return -1;
5105                 addr_ptr = addr;
5106                 next = 1;
5107         } else {
5108                 if (hwaddr_aton(cmd, addr) < 0)
5109                         return -1;
5110                 addr_ptr = addr;
5111                 next = 0;
5112         }
5113
5114         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
5115         if (info == NULL)
5116                 return -1;
5117
5118         pos = buf;
5119         end = buf + buflen;
5120
5121         res = os_snprintf(pos, end - pos, MACSTR "\n"
5122                           "pri_dev_type=%s\n"
5123                           "device_name=%s\n"
5124                           "manufacturer=%s\n"
5125                           "model_name=%s\n"
5126                           "model_number=%s\n"
5127                           "serial_number=%s\n"
5128                           "config_methods=0x%x\n"
5129                           "dev_capab=0x%x\n"
5130                           "group_capab=0x%x\n"
5131                           "level=%d\n",
5132                           MAC2STR(info->p2p_device_addr),
5133                           wps_dev_type_bin2str(info->pri_dev_type,
5134                                                devtype, sizeof(devtype)),
5135                           info->device_name,
5136                           info->manufacturer,
5137                           info->model_name,
5138                           info->model_number,
5139                           info->serial_number,
5140                           info->config_methods,
5141                           info->dev_capab,
5142                           info->group_capab,
5143                           info->level);
5144         if (os_snprintf_error(end - pos, res))
5145                 return pos - buf;
5146         pos += res;
5147
5148         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
5149         {
5150                 const u8 *t;
5151                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
5152                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
5153                                   wps_dev_type_bin2str(t, devtype,
5154                                                        sizeof(devtype)));
5155                 if (os_snprintf_error(end - pos, res))
5156                         return pos - buf;
5157                 pos += res;
5158         }
5159
5160         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
5161         if (ssid) {
5162                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
5163                 if (os_snprintf_error(end - pos, res))
5164                         return pos - buf;
5165                 pos += res;
5166         }
5167
5168         res = p2p_get_peer_info_txt(info, pos, end - pos);
5169         if (res < 0)
5170                 return pos - buf;
5171         pos += res;
5172
5173         if (info->vendor_elems) {
5174                 res = os_snprintf(pos, end - pos, "vendor_elems=");
5175                 if (os_snprintf_error(end - pos, res))
5176                         return pos - buf;
5177                 pos += res;
5178
5179                 pos += wpa_snprintf_hex(pos, end - pos,
5180                                         wpabuf_head(info->vendor_elems),
5181                                         wpabuf_len(info->vendor_elems));
5182
5183                 res = os_snprintf(pos, end - pos, "\n");
5184                 if (os_snprintf_error(end - pos, res))
5185                         return pos - buf;
5186                 pos += res;
5187         }
5188
5189         return pos - buf;
5190 }
5191
5192
5193 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
5194                                   const char *param)
5195 {
5196         unsigned int i;
5197
5198         if (wpa_s->global->p2p == NULL)
5199                 return -1;
5200
5201         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
5202                 return -1;
5203
5204         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
5205                 struct wpa_freq_range *freq;
5206                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
5207                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
5208                            freq->min, freq->max);
5209         }
5210
5211         wpas_p2p_update_channel_list(wpa_s);
5212         return 0;
5213 }
5214
5215
5216 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
5217 {
5218         char *param;
5219
5220         if (wpa_s->global->p2p == NULL)
5221                 return -1;
5222
5223         param = os_strchr(cmd, ' ');
5224         if (param == NULL)
5225                 return -1;
5226         *param++ = '\0';
5227
5228         if (os_strcmp(cmd, "discoverability") == 0) {
5229                 p2p_set_client_discoverability(wpa_s->global->p2p,
5230                                                atoi(param));
5231                 return 0;
5232         }
5233
5234         if (os_strcmp(cmd, "managed") == 0) {
5235                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5236                 return 0;
5237         }
5238
5239         if (os_strcmp(cmd, "listen_channel") == 0) {
5240                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
5241                                               atoi(param), 1);
5242         }
5243
5244         if (os_strcmp(cmd, "ssid_postfix") == 0) {
5245                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
5246                                             os_strlen(param));
5247         }
5248
5249         if (os_strcmp(cmd, "noa") == 0) {
5250                 char *pos;
5251                 int count, start, duration;
5252                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
5253                 count = atoi(param);
5254                 pos = os_strchr(param, ',');
5255                 if (pos == NULL)
5256                         return -1;
5257                 pos++;
5258                 start = atoi(pos);
5259                 pos = os_strchr(pos, ',');
5260                 if (pos == NULL)
5261                         return -1;
5262                 pos++;
5263                 duration = atoi(pos);
5264                 if (count < 0 || count > 255 || start < 0 || duration < 0)
5265                         return -1;
5266                 if (count == 0 && duration > 0)
5267                         return -1;
5268                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
5269                            "start=%d duration=%d", count, start, duration);
5270                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
5271         }
5272
5273         if (os_strcmp(cmd, "ps") == 0)
5274                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
5275
5276         if (os_strcmp(cmd, "oppps") == 0)
5277                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
5278
5279         if (os_strcmp(cmd, "ctwindow") == 0)
5280                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
5281
5282         if (os_strcmp(cmd, "disabled") == 0) {
5283                 wpa_s->global->p2p_disabled = atoi(param);
5284                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
5285                            wpa_s->global->p2p_disabled ?
5286                            "disabled" : "enabled");
5287                 if (wpa_s->global->p2p_disabled) {
5288                         wpas_p2p_stop_find(wpa_s);
5289                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5290                         p2p_flush(wpa_s->global->p2p);
5291                 }
5292                 return 0;
5293         }
5294
5295         if (os_strcmp(cmd, "conc_pref") == 0) {
5296                 if (os_strcmp(param, "sta") == 0)
5297                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
5298                 else if (os_strcmp(param, "p2p") == 0)
5299                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
5300                 else {
5301                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
5302                         return -1;
5303                 }
5304                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
5305                            "%s", param);
5306                 return 0;
5307         }
5308
5309         if (os_strcmp(cmd, "force_long_sd") == 0) {
5310                 wpa_s->force_long_sd = atoi(param);
5311                 return 0;
5312         }
5313
5314         if (os_strcmp(cmd, "peer_filter") == 0) {
5315                 u8 addr[ETH_ALEN];
5316                 if (hwaddr_aton(param, addr))
5317                         return -1;
5318                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
5319                 return 0;
5320         }
5321
5322         if (os_strcmp(cmd, "cross_connect") == 0)
5323                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
5324
5325         if (os_strcmp(cmd, "go_apsd") == 0) {
5326                 if (os_strcmp(param, "disable") == 0)
5327                         wpa_s->set_ap_uapsd = 0;
5328                 else {
5329                         wpa_s->set_ap_uapsd = 1;
5330                         wpa_s->ap_uapsd = atoi(param);
5331                 }
5332                 return 0;
5333         }
5334
5335         if (os_strcmp(cmd, "client_apsd") == 0) {
5336                 if (os_strcmp(param, "disable") == 0)
5337                         wpa_s->set_sta_uapsd = 0;
5338                 else {
5339                         int be, bk, vi, vo;
5340                         char *pos;
5341                         /* format: BE,BK,VI,VO;max SP Length */
5342                         be = atoi(param);
5343                         pos = os_strchr(param, ',');
5344                         if (pos == NULL)
5345                                 return -1;
5346                         pos++;
5347                         bk = atoi(pos);
5348                         pos = os_strchr(pos, ',');
5349                         if (pos == NULL)
5350                                 return -1;
5351                         pos++;
5352                         vi = atoi(pos);
5353                         pos = os_strchr(pos, ',');
5354                         if (pos == NULL)
5355                                 return -1;
5356                         pos++;
5357                         vo = atoi(pos);
5358                         /* ignore max SP Length for now */
5359
5360                         wpa_s->set_sta_uapsd = 1;
5361                         wpa_s->sta_uapsd = 0;
5362                         if (be)
5363                                 wpa_s->sta_uapsd |= BIT(0);
5364                         if (bk)
5365                                 wpa_s->sta_uapsd |= BIT(1);
5366                         if (vi)
5367                                 wpa_s->sta_uapsd |= BIT(2);
5368                         if (vo)
5369                                 wpa_s->sta_uapsd |= BIT(3);
5370                 }
5371                 return 0;
5372         }
5373
5374         if (os_strcmp(cmd, "disallow_freq") == 0)
5375                 return p2p_ctrl_disallow_freq(wpa_s, param);
5376
5377         if (os_strcmp(cmd, "disc_int") == 0) {
5378                 int min_disc_int, max_disc_int, max_disc_tu;
5379                 char *pos;
5380
5381                 pos = param;
5382
5383                 min_disc_int = atoi(pos);
5384                 pos = os_strchr(pos, ' ');
5385                 if (pos == NULL)
5386                         return -1;
5387                 *pos++ = '\0';
5388
5389                 max_disc_int = atoi(pos);
5390                 pos = os_strchr(pos, ' ');
5391                 if (pos == NULL)
5392                         return -1;
5393                 *pos++ = '\0';
5394
5395                 max_disc_tu = atoi(pos);
5396
5397                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
5398                                         max_disc_int, max_disc_tu);
5399         }
5400
5401         if (os_strcmp(cmd, "per_sta_psk") == 0) {
5402                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
5403                 return 0;
5404         }
5405
5406 #ifdef CONFIG_WPS_NFC
5407         if (os_strcmp(cmd, "nfc_tag") == 0)
5408                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
5409 #endif /* CONFIG_WPS_NFC */
5410
5411         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
5412                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
5413                 return 0;
5414         }
5415
5416         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
5417                    cmd);
5418
5419         return -1;
5420 }
5421
5422
5423 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
5424 {
5425         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5426         wpa_s->force_long_sd = 0;
5427         wpas_p2p_stop_find(wpa_s);
5428         if (wpa_s->global->p2p)
5429                 p2p_flush(wpa_s->global->p2p);
5430 }
5431
5432
5433 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
5434 {
5435         char *pos, *pos2;
5436         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
5437
5438         if (cmd[0]) {
5439                 pos = os_strchr(cmd, ' ');
5440                 if (pos == NULL)
5441                         return -1;
5442                 *pos++ = '\0';
5443                 dur1 = atoi(cmd);
5444
5445                 pos2 = os_strchr(pos, ' ');
5446                 if (pos2)
5447                         *pos2++ = '\0';
5448                 int1 = atoi(pos);
5449         } else
5450                 pos2 = NULL;
5451
5452         if (pos2) {
5453                 pos = os_strchr(pos2, ' ');
5454                 if (pos == NULL)
5455                         return -1;
5456                 *pos++ = '\0';
5457                 dur2 = atoi(pos2);
5458                 int2 = atoi(pos);
5459         }
5460
5461         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
5462 }
5463
5464
5465 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
5466 {
5467         char *pos;
5468         unsigned int period = 0, interval = 0;
5469
5470         if (cmd[0]) {
5471                 pos = os_strchr(cmd, ' ');
5472                 if (pos == NULL)
5473                         return -1;
5474                 *pos++ = '\0';
5475                 period = atoi(cmd);
5476                 interval = atoi(pos);
5477         }
5478
5479         return wpas_p2p_ext_listen(wpa_s, period, interval);
5480 }
5481
5482
5483 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
5484 {
5485         const char *pos;
5486         u8 peer[ETH_ALEN];
5487         int iface_addr = 0;
5488
5489         pos = cmd;
5490         if (os_strncmp(pos, "iface=", 6) == 0) {
5491                 iface_addr = 1;
5492                 pos += 6;
5493         }
5494         if (hwaddr_aton(pos, peer))
5495                 return -1;
5496
5497         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
5498         return 0;
5499 }
5500
5501 #endif /* CONFIG_P2P */
5502
5503
5504 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
5505 {
5506         struct wpa_freq_range_list ranges;
5507         int *freqs = NULL;
5508         struct hostapd_hw_modes *mode;
5509         u16 i;
5510
5511         if (wpa_s->hw.modes == NULL)
5512                 return NULL;
5513
5514         os_memset(&ranges, 0, sizeof(ranges));
5515         if (freq_range_list_parse(&ranges, val) < 0)
5516                 return NULL;
5517
5518         for (i = 0; i < wpa_s->hw.num_modes; i++) {
5519                 int j;
5520
5521                 mode = &wpa_s->hw.modes[i];
5522                 for (j = 0; j < mode->num_channels; j++) {
5523                         unsigned int freq;
5524
5525                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
5526                                 continue;
5527
5528                         freq = mode->channels[j].freq;
5529                         if (!freq_range_list_includes(&ranges, freq))
5530                                 continue;
5531
5532                         int_array_add_unique(&freqs, freq);
5533                 }
5534         }
5535
5536         os_free(ranges.range);
5537         return freqs;
5538 }
5539
5540
5541 #ifdef CONFIG_INTERWORKING
5542
5543 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
5544 {
5545         int auto_sel = 0;
5546         int *freqs = NULL;
5547
5548         if (param) {
5549                 char *pos;
5550
5551                 auto_sel = os_strstr(param, "auto") != NULL;
5552
5553                 pos = os_strstr(param, "freq=");
5554                 if (pos) {
5555                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
5556                         if (freqs == NULL)
5557                                 return -1;
5558                 }
5559
5560         }
5561
5562         return interworking_select(wpa_s, auto_sel, freqs);
5563 }
5564
5565
5566 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
5567 {
5568         u8 bssid[ETH_ALEN];
5569         struct wpa_bss *bss;
5570
5571         if (hwaddr_aton(dst, bssid)) {
5572                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
5573                 return -1;
5574         }
5575
5576         bss = wpa_bss_get_bssid(wpa_s, bssid);
5577         if (bss == NULL) {
5578                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
5579                            MAC2STR(bssid));
5580                 return -1;
5581         }
5582
5583         if (bss->ssid_len == 0) {
5584                 int found = 0;
5585
5586                 wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
5587                            " does not have SSID information", MAC2STR(bssid));
5588
5589                 dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
5590                                          list) {
5591                         if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
5592                             bss->ssid_len > 0) {
5593                                 found = 1;
5594                                 break;
5595                         }
5596                 }
5597
5598                 if (!found)
5599                         return -1;
5600                 wpa_printf(MSG_DEBUG,
5601                            "Found another matching BSS entry with SSID");
5602         }
5603
5604         return interworking_connect(wpa_s, bss);
5605 }
5606
5607
5608 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
5609 {
5610         u8 dst_addr[ETH_ALEN];
5611         int used;
5612         char *pos;
5613 #define MAX_ANQP_INFO_ID 100
5614         u16 id[MAX_ANQP_INFO_ID];
5615         size_t num_id = 0;
5616         u32 subtypes = 0;
5617
5618         used = hwaddr_aton2(dst, dst_addr);
5619         if (used < 0)
5620                 return -1;
5621         pos = dst + used;
5622         if (*pos == ' ')
5623                 pos++;
5624         while (num_id < MAX_ANQP_INFO_ID) {
5625                 if (os_strncmp(pos, "hs20:", 5) == 0) {
5626 #ifdef CONFIG_HS20
5627                         int num = atoi(pos + 5);
5628                         if (num <= 0 || num > 31)
5629                                 return -1;
5630                         subtypes |= BIT(num);
5631 #else /* CONFIG_HS20 */
5632                         return -1;
5633 #endif /* CONFIG_HS20 */
5634                 } else {
5635                         id[num_id] = atoi(pos);
5636                         if (id[num_id])
5637                                 num_id++;
5638                 }
5639                 pos = os_strchr(pos + 1, ',');
5640                 if (pos == NULL)
5641                         break;
5642                 pos++;
5643         }
5644
5645         if (num_id == 0)
5646                 return -1;
5647
5648         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
5649 }
5650
5651
5652 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
5653 {
5654         u8 dst_addr[ETH_ALEN];
5655         struct wpabuf *advproto, *query = NULL;
5656         int used, ret = -1;
5657         char *pos, *end;
5658         size_t len;
5659
5660         used = hwaddr_aton2(cmd, dst_addr);
5661         if (used < 0)
5662                 return -1;
5663
5664         pos = cmd + used;
5665         while (*pos == ' ')
5666                 pos++;
5667
5668         /* Advertisement Protocol ID */
5669         end = os_strchr(pos, ' ');
5670         if (end)
5671                 len = end - pos;
5672         else
5673                 len = os_strlen(pos);
5674         if (len & 0x01)
5675                 return -1;
5676         len /= 2;
5677         if (len == 0)
5678                 return -1;
5679         advproto = wpabuf_alloc(len);
5680         if (advproto == NULL)
5681                 return -1;
5682         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
5683                 goto fail;
5684
5685         if (end) {
5686                 /* Optional Query Request */
5687                 pos = end + 1;
5688                 while (*pos == ' ')
5689                         pos++;
5690
5691                 len = os_strlen(pos);
5692                 if (len) {
5693                         if (len & 0x01)
5694                                 goto fail;
5695                         len /= 2;
5696                         if (len == 0)
5697                                 goto fail;
5698                         query = wpabuf_alloc(len);
5699                         if (query == NULL)
5700                                 goto fail;
5701                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
5702                                 goto fail;
5703                 }
5704         }
5705
5706         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
5707
5708 fail:
5709         wpabuf_free(advproto);
5710         wpabuf_free(query);
5711
5712         return ret;
5713 }
5714
5715
5716 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
5717                             size_t buflen)
5718 {
5719         u8 addr[ETH_ALEN];
5720         int dialog_token;
5721         int used;
5722         char *pos;
5723         size_t resp_len, start, requested_len;
5724         struct wpabuf *resp;
5725         int ret;
5726
5727         used = hwaddr_aton2(cmd, addr);
5728         if (used < 0)
5729                 return -1;
5730
5731         pos = cmd + used;
5732         while (*pos == ' ')
5733                 pos++;
5734         dialog_token = atoi(pos);
5735
5736         if (wpa_s->last_gas_resp &&
5737             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
5738             dialog_token == wpa_s->last_gas_dialog_token)
5739                 resp = wpa_s->last_gas_resp;
5740         else if (wpa_s->prev_gas_resp &&
5741                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
5742                  dialog_token == wpa_s->prev_gas_dialog_token)
5743                 resp = wpa_s->prev_gas_resp;
5744         else
5745                 return -1;
5746
5747         resp_len = wpabuf_len(resp);
5748         start = 0;
5749         requested_len = resp_len;
5750
5751         pos = os_strchr(pos, ' ');
5752         if (pos) {
5753                 start = atoi(pos);
5754                 if (start > resp_len)
5755                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
5756                 pos = os_strchr(pos, ',');
5757                 if (pos == NULL)
5758                         return -1;
5759                 pos++;
5760                 requested_len = atoi(pos);
5761                 if (start + requested_len > resp_len)
5762                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
5763         }
5764
5765         if (requested_len * 2 + 1 > buflen)
5766                 return os_snprintf(buf, buflen, "FAIL-Too long response");
5767
5768         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
5769                                requested_len);
5770
5771         if (start + requested_len == resp_len) {
5772                 /*
5773                  * Free memory by dropping the response after it has been
5774                  * fetched.
5775                  */
5776                 if (resp == wpa_s->prev_gas_resp) {
5777                         wpabuf_free(wpa_s->prev_gas_resp);
5778                         wpa_s->prev_gas_resp = NULL;
5779                 } else {
5780                         wpabuf_free(wpa_s->last_gas_resp);
5781                         wpa_s->last_gas_resp = NULL;
5782                 }
5783         }
5784
5785         return ret;
5786 }
5787 #endif /* CONFIG_INTERWORKING */
5788
5789
5790 #ifdef CONFIG_HS20
5791
5792 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
5793 {
5794         u8 dst_addr[ETH_ALEN];
5795         int used;
5796         char *pos;
5797         u32 subtypes = 0;
5798
5799         used = hwaddr_aton2(dst, dst_addr);
5800         if (used < 0)
5801                 return -1;
5802         pos = dst + used;
5803         if (*pos == ' ')
5804                 pos++;
5805         for (;;) {
5806                 int num = atoi(pos);
5807                 if (num <= 0 || num > 31)
5808                         return -1;
5809                 subtypes |= BIT(num);
5810                 pos = os_strchr(pos + 1, ',');
5811                 if (pos == NULL)
5812                         break;
5813                 pos++;
5814         }
5815
5816         if (subtypes == 0)
5817                 return -1;
5818
5819         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
5820 }
5821
5822
5823 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5824                                     const u8 *addr, const char *realm)
5825 {
5826         u8 *buf;
5827         size_t rlen, len;
5828         int ret;
5829
5830         rlen = os_strlen(realm);
5831         len = 3 + rlen;
5832         buf = os_malloc(len);
5833         if (buf == NULL)
5834                 return -1;
5835         buf[0] = 1; /* NAI Home Realm Count */
5836         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
5837         buf[2] = rlen;
5838         os_memcpy(buf + 3, realm, rlen);
5839
5840         ret = hs20_anqp_send_req(wpa_s, addr,
5841                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5842                                  buf, len);
5843
5844         os_free(buf);
5845
5846         return ret;
5847 }
5848
5849
5850 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5851                                         char *dst)
5852 {
5853         struct wpa_cred *cred = wpa_s->conf->cred;
5854         u8 dst_addr[ETH_ALEN];
5855         int used;
5856         u8 *buf;
5857         size_t len;
5858         int ret;
5859
5860         used = hwaddr_aton2(dst, dst_addr);
5861         if (used < 0)
5862                 return -1;
5863
5864         while (dst[used] == ' ')
5865                 used++;
5866         if (os_strncmp(dst + used, "realm=", 6) == 0)
5867                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
5868                                                 dst + used + 6);
5869
5870         len = os_strlen(dst + used);
5871
5872         if (len == 0 && cred && cred->realm)
5873                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
5874
5875         if (len & 1)
5876                 return -1;
5877         len /= 2;
5878         buf = os_malloc(len);
5879         if (buf == NULL)
5880                 return -1;
5881         if (hexstr2bin(dst + used, buf, len) < 0) {
5882                 os_free(buf);
5883                 return -1;
5884         }
5885
5886         ret = hs20_anqp_send_req(wpa_s, dst_addr,
5887                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5888                                  buf, len);
5889         os_free(buf);
5890
5891         return ret;
5892 }
5893
5894
5895 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
5896 {
5897         u8 dst_addr[ETH_ALEN];
5898         int used;
5899         char *icon;
5900
5901         used = hwaddr_aton2(cmd, dst_addr);
5902         if (used < 0)
5903                 return -1;
5904
5905         while (cmd[used] == ' ')
5906                 used++;
5907         icon = &cmd[used];
5908
5909         wpa_s->fetch_osu_icon_in_progress = 0;
5910         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
5911                                   (u8 *) icon, os_strlen(icon));
5912 }
5913
5914 #endif /* CONFIG_HS20 */
5915
5916
5917 #ifdef CONFIG_AUTOSCAN
5918
5919 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
5920                                               char *cmd)
5921 {
5922         enum wpa_states state = wpa_s->wpa_state;
5923         char *new_params = NULL;
5924
5925         if (os_strlen(cmd) > 0) {
5926                 new_params = os_strdup(cmd);
5927                 if (new_params == NULL)
5928                         return -1;
5929         }
5930
5931         os_free(wpa_s->conf->autoscan);
5932         wpa_s->conf->autoscan = new_params;
5933
5934         if (wpa_s->conf->autoscan == NULL)
5935                 autoscan_deinit(wpa_s);
5936         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
5937                 autoscan_init(wpa_s, 1);
5938         else if (state == WPA_SCANNING)
5939                 wpa_supplicant_reinit_autoscan(wpa_s);
5940
5941         return 0;
5942 }
5943
5944 #endif /* CONFIG_AUTOSCAN */
5945
5946
5947 #ifdef CONFIG_WNM
5948
5949 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
5950 {
5951         int enter;
5952         int intval = 0;
5953         char *pos;
5954         int ret;
5955         struct wpabuf *tfs_req = NULL;
5956
5957         if (os_strncmp(cmd, "enter", 5) == 0)
5958                 enter = 1;
5959         else if (os_strncmp(cmd, "exit", 4) == 0)
5960                 enter = 0;
5961         else
5962                 return -1;
5963
5964         pos = os_strstr(cmd, " interval=");
5965         if (pos)
5966                 intval = atoi(pos + 10);
5967
5968         pos = os_strstr(cmd, " tfs_req=");
5969         if (pos) {
5970                 char *end;
5971                 size_t len;
5972                 pos += 9;
5973                 end = os_strchr(pos, ' ');
5974                 if (end)
5975                         len = end - pos;
5976                 else
5977                         len = os_strlen(pos);
5978                 if (len & 1)
5979                         return -1;
5980                 len /= 2;
5981                 tfs_req = wpabuf_alloc(len);
5982                 if (tfs_req == NULL)
5983                         return -1;
5984                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
5985                         wpabuf_free(tfs_req);
5986                         return -1;
5987                 }
5988         }
5989
5990         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
5991                                            WNM_SLEEP_MODE_EXIT, intval,
5992                                            tfs_req);
5993         wpabuf_free(tfs_req);
5994
5995         return ret;
5996 }
5997
5998
5999 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
6000 {
6001         int query_reason;
6002
6003         query_reason = atoi(cmd);
6004
6005         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
6006                    query_reason);
6007
6008         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
6009 }
6010
6011 #endif /* CONFIG_WNM */
6012
6013
6014 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
6015                                       size_t buflen)
6016 {
6017         struct wpa_signal_info si;
6018         int ret;
6019         char *pos, *end;
6020
6021         ret = wpa_drv_signal_poll(wpa_s, &si);
6022         if (ret)
6023                 return -1;
6024
6025         pos = buf;
6026         end = buf + buflen;
6027
6028         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
6029                           "NOISE=%d\nFREQUENCY=%u\n",
6030                           si.current_signal, si.current_txrate / 1000,
6031                           si.current_noise, si.frequency);
6032         if (os_snprintf_error(end - pos, ret))
6033                 return -1;
6034         pos += ret;
6035
6036         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
6037                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
6038                                   channel_width_to_string(si.chanwidth));
6039                 if (os_snprintf_error(end - pos, ret))
6040                         return -1;
6041                 pos += ret;
6042         }
6043
6044         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
6045                 ret = os_snprintf(pos, end - pos,
6046                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
6047                                   si.center_frq1, si.center_frq2);
6048                 if (os_snprintf_error(end - pos, ret))
6049                         return -1;
6050                 pos += ret;
6051         }
6052
6053         if (si.avg_signal) {
6054                 ret = os_snprintf(pos, end - pos,
6055                                   "AVG_RSSI=%d\n", si.avg_signal);
6056                 if (os_snprintf_error(end - pos, ret))
6057                         return -1;
6058                 pos += ret;
6059         }
6060
6061         return pos - buf;
6062 }
6063
6064
6065 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
6066                                       size_t buflen)
6067 {
6068         struct hostap_sta_driver_data sta;
6069         int ret;
6070
6071         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
6072         if (ret)
6073                 return -1;
6074
6075         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
6076                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
6077         if (os_snprintf_error(buflen, ret))
6078                 return -1;
6079         return ret;
6080 }
6081
6082
6083 #ifdef ANDROID
6084 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6085                                      char *buf, size_t buflen)
6086 {
6087         int ret;
6088
6089         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
6090         if (ret == 0) {
6091                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
6092                         struct p2p_data *p2p = wpa_s->global->p2p;
6093                         if (p2p) {
6094                                 char country[3];
6095                                 country[0] = cmd[8];
6096                                 country[1] = cmd[9];
6097                                 country[2] = 0x04;
6098                                 p2p_set_country(p2p, country);
6099                         }
6100                 }
6101                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
6102                 if (os_snprintf_error(buflen, ret))
6103                         ret = -1;
6104         }
6105         return ret;
6106 }
6107 #endif /* ANDROID */
6108
6109
6110 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6111                                      char *buf, size_t buflen)
6112 {
6113         int ret;
6114         char *pos;
6115         u8 *data = NULL;
6116         unsigned int vendor_id, subcmd;
6117         struct wpabuf *reply;
6118         size_t data_len = 0;
6119
6120         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
6121         vendor_id = strtoul(cmd, &pos, 16);
6122         if (!isblank(*pos))
6123                 return -EINVAL;
6124
6125         subcmd = strtoul(pos, &pos, 10);
6126
6127         if (*pos != '\0') {
6128                 if (!isblank(*pos++))
6129                         return -EINVAL;
6130                 data_len = os_strlen(pos);
6131         }
6132
6133         if (data_len) {
6134                 data_len /= 2;
6135                 data = os_malloc(data_len);
6136                 if (!data)
6137                         return -1;
6138
6139                 if (hexstr2bin(pos, data, data_len)) {
6140                         wpa_printf(MSG_DEBUG,
6141                                    "Vendor command: wrong parameter format");
6142                         os_free(data);
6143                         return -EINVAL;
6144                 }
6145         }
6146
6147         reply = wpabuf_alloc((buflen - 1) / 2);
6148         if (!reply) {
6149                 os_free(data);
6150                 return -1;
6151         }
6152
6153         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
6154                                  reply);
6155
6156         if (ret == 0)
6157                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
6158                                        wpabuf_len(reply));
6159
6160         wpabuf_free(reply);
6161         os_free(data);
6162
6163         return ret;
6164 }
6165
6166
6167 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
6168 {
6169 #ifdef CONFIG_P2P
6170         struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
6171                 wpa_s->global->p2p_init_wpa_s : wpa_s;
6172 #endif /* CONFIG_P2P */
6173
6174         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
6175
6176 #ifdef CONFIG_P2P
6177         wpas_p2p_cancel(p2p_wpa_s);
6178         p2p_ctrl_flush(p2p_wpa_s);
6179         wpas_p2p_group_remove(p2p_wpa_s, "*");
6180         wpas_p2p_service_flush(p2p_wpa_s);
6181         p2p_wpa_s->global->p2p_disabled = 0;
6182         p2p_wpa_s->global->p2p_per_sta_psk = 0;
6183         p2p_wpa_s->conf->num_sec_device_types = 0;
6184         p2p_wpa_s->p2p_disable_ip_addr_req = 0;
6185         os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
6186         p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
6187 #endif /* CONFIG_P2P */
6188
6189 #ifdef CONFIG_WPS_TESTING
6190         wps_version_number = 0x20;
6191         wps_testing_dummy_cred = 0;
6192         wps_corrupt_pkhash = 0;
6193 #endif /* CONFIG_WPS_TESTING */
6194 #ifdef CONFIG_WPS
6195         wpa_s->wps_fragment_size = 0;
6196         wpas_wps_cancel(wpa_s);
6197         wps_registrar_flush(wpa_s->wps->registrar);
6198 #endif /* CONFIG_WPS */
6199         wpa_s->after_wps = 0;
6200         wpa_s->known_wps_freq = 0;
6201
6202 #ifdef CONFIG_TDLS
6203 #ifdef CONFIG_TDLS_TESTING
6204         extern unsigned int tdls_testing;
6205         tdls_testing = 0;
6206 #endif /* CONFIG_TDLS_TESTING */
6207         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
6208         wpa_tdls_enable(wpa_s->wpa, 1);
6209 #endif /* CONFIG_TDLS */
6210
6211         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
6212         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
6213
6214         wpa_s->no_keep_alive = 0;
6215
6216         os_free(wpa_s->disallow_aps_bssid);
6217         wpa_s->disallow_aps_bssid = NULL;
6218         wpa_s->disallow_aps_bssid_count = 0;
6219         os_free(wpa_s->disallow_aps_ssid);
6220         wpa_s->disallow_aps_ssid = NULL;
6221         wpa_s->disallow_aps_ssid_count = 0;
6222
6223         wpa_s->set_sta_uapsd = 0;
6224         wpa_s->sta_uapsd = 0;
6225
6226         wpa_drv_radio_disable(wpa_s, 0);
6227         wpa_blacklist_clear(wpa_s);
6228         wpa_s->extra_blacklist_count = 0;
6229         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
6230         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
6231         wpa_config_flush_blobs(wpa_s->conf);
6232         wpa_s->conf->auto_interworking = 0;
6233         wpa_s->conf->okc = 0;
6234
6235         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
6236         rsn_preauth_deinit(wpa_s->wpa);
6237
6238         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
6239         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
6240         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
6241         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
6242
6243         radio_remove_works(wpa_s, NULL, 1);
6244         wpa_s->ext_work_in_progress = 0;
6245
6246         wpa_s->next_ssid = NULL;
6247
6248 #ifdef CONFIG_INTERWORKING
6249         hs20_cancel_fetch_osu(wpa_s);
6250 #endif /* CONFIG_INTERWORKING */
6251
6252         wpa_s->ext_mgmt_frame_handling = 0;
6253         wpa_s->ext_eapol_frame_io = 0;
6254 #ifdef CONFIG_TESTING_OPTIONS
6255         wpa_s->extra_roc_dur = 0;
6256         wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
6257 #endif /* CONFIG_TESTING_OPTIONS */
6258
6259         wpa_s->disconnected = 0;
6260         os_free(wpa_s->next_scan_freqs);
6261         wpa_s->next_scan_freqs = NULL;
6262
6263         wpa_bss_flush(wpa_s);
6264         if (!dl_list_empty(&wpa_s->bss)) {
6265                 wpa_printf(MSG_DEBUG,
6266                            "BSS table not empty after flush: %u entries, current_bss=%p bssid="
6267                            MACSTR " pending_bssid=" MACSTR,
6268                            dl_list_len(&wpa_s->bss), wpa_s->current_bss,
6269                            MAC2STR(wpa_s->bssid),
6270                            MAC2STR(wpa_s->pending_bssid));
6271         }
6272 }
6273
6274
6275 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
6276                                      char *buf, size_t buflen)
6277 {
6278         struct wpa_radio_work *work;
6279         char *pos, *end;
6280         struct os_reltime now, diff;
6281
6282         pos = buf;
6283         end = buf + buflen;
6284
6285         os_get_reltime(&now);
6286
6287         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6288         {
6289                 int ret;
6290
6291                 os_reltime_sub(&now, &work->time, &diff);
6292                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
6293                                   work->type, work->wpa_s->ifname, work->freq,
6294                                   work->started, diff.sec, diff.usec);
6295                 if (os_snprintf_error(end - pos, ret))
6296                         break;
6297                 pos += ret;
6298         }
6299
6300         return pos - buf;
6301 }
6302
6303
6304 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
6305 {
6306         struct wpa_radio_work *work = eloop_ctx;
6307         struct wpa_external_work *ework = work->ctx;
6308
6309         wpa_dbg(work->wpa_s, MSG_DEBUG,
6310                 "Timing out external radio work %u (%s)",
6311                 ework->id, work->type);
6312         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
6313         work->wpa_s->ext_work_in_progress = 0;
6314         radio_work_done(work);
6315         os_free(ework);
6316 }
6317
6318
6319 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
6320 {
6321         struct wpa_external_work *ework = work->ctx;
6322
6323         if (deinit) {
6324                 if (work->started)
6325                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6326                                              work, NULL);
6327
6328                 os_free(ework);
6329                 return;
6330         }
6331
6332         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
6333                 ework->id, ework->type);
6334         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
6335         work->wpa_s->ext_work_in_progress = 1;
6336         if (!ework->timeout)
6337                 ework->timeout = 10;
6338         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
6339                                work, NULL);
6340 }
6341
6342
6343 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
6344                                     char *buf, size_t buflen)
6345 {
6346         struct wpa_external_work *ework;
6347         char *pos, *pos2;
6348         size_t type_len;
6349         int ret;
6350         unsigned int freq = 0;
6351
6352         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
6353
6354         ework = os_zalloc(sizeof(*ework));
6355         if (ework == NULL)
6356                 return -1;
6357
6358         pos = os_strchr(cmd, ' ');
6359         if (pos) {
6360                 type_len = pos - cmd;
6361                 pos++;
6362
6363                 pos2 = os_strstr(pos, "freq=");
6364                 if (pos2)
6365                         freq = atoi(pos2 + 5);
6366
6367                 pos2 = os_strstr(pos, "timeout=");
6368                 if (pos2)
6369                         ework->timeout = atoi(pos2 + 8);
6370         } else {
6371                 type_len = os_strlen(cmd);
6372         }
6373         if (4 + type_len >= sizeof(ework->type))
6374                 type_len = sizeof(ework->type) - 4 - 1;
6375         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
6376         os_memcpy(ework->type + 4, cmd, type_len);
6377         ework->type[4 + type_len] = '\0';
6378
6379         wpa_s->ext_work_id++;
6380         if (wpa_s->ext_work_id == 0)
6381                 wpa_s->ext_work_id++;
6382         ework->id = wpa_s->ext_work_id;
6383
6384         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
6385                            ework) < 0) {
6386                 os_free(ework);
6387                 return -1;
6388         }
6389
6390         ret = os_snprintf(buf, buflen, "%u", ework->id);
6391         if (os_snprintf_error(buflen, ret))
6392                 return -1;
6393         return ret;
6394 }
6395
6396
6397 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
6398 {
6399         struct wpa_radio_work *work;
6400         unsigned int id = atoi(cmd);
6401
6402         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6403         {
6404                 struct wpa_external_work *ework;
6405
6406                 if (os_strncmp(work->type, "ext:", 4) != 0)
6407                         continue;
6408                 ework = work->ctx;
6409                 if (id && ework->id != id)
6410                         continue;
6411                 wpa_dbg(wpa_s, MSG_DEBUG,
6412                         "Completed external radio work %u (%s)",
6413                         ework->id, ework->type);
6414                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
6415                 wpa_s->ext_work_in_progress = 0;
6416                 radio_work_done(work);
6417                 os_free(ework);
6418                 return 3; /* "OK\n" */
6419         }
6420
6421         return -1;
6422 }
6423
6424
6425 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
6426                                 char *buf, size_t buflen)
6427 {
6428         if (os_strcmp(cmd, "show") == 0)
6429                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
6430         if (os_strncmp(cmd, "add ", 4) == 0)
6431                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
6432         if (os_strncmp(cmd, "done ", 5) == 0)
6433                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
6434         return -1;
6435 }
6436
6437
6438 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
6439 {
6440         struct wpa_radio_work *work, *tmp;
6441
6442         if (!wpa_s || !wpa_s->radio)
6443                 return;
6444
6445         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
6446                               struct wpa_radio_work, list) {
6447                 struct wpa_external_work *ework;
6448
6449                 if (os_strncmp(work->type, "ext:", 4) != 0)
6450                         continue;
6451                 ework = work->ctx;
6452                 wpa_dbg(wpa_s, MSG_DEBUG,
6453                         "Flushing%s external radio work %u (%s)",
6454                         work->started ? " started" : "", ework->id,
6455                         ework->type);
6456                 if (work->started)
6457                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6458                                              work, NULL);
6459                 radio_work_done(work);
6460                 os_free(ework);
6461         }
6462 }
6463
6464
6465 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
6466 {
6467         struct wpa_supplicant *wpa_s = eloop_ctx;
6468         eapol_sm_notify_ctrl_response(wpa_s->eapol);
6469 }
6470
6471
6472 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
6473                               unsigned int *scan_id_count, int scan_id[])
6474 {
6475         const char *pos = value;
6476
6477         while (pos) {
6478                 if (*pos == ' ' || *pos == '\0')
6479                         break;
6480                 if (*scan_id_count == MAX_SCAN_ID)
6481                         return -1;
6482                 scan_id[(*scan_id_count)++] = atoi(pos);
6483                 pos = os_strchr(pos, ',');
6484                 if (pos)
6485                         pos++;
6486         }
6487
6488         return 0;
6489 }
6490
6491
6492 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
6493                            char *reply, int reply_size, int *reply_len)
6494 {
6495         char *pos;
6496         unsigned int manual_scan_passive = 0;
6497         unsigned int manual_scan_use_id = 0;
6498         unsigned int manual_scan_only_new = 0;
6499         unsigned int scan_only = 0;
6500         unsigned int scan_id_count = 0;
6501         int scan_id[MAX_SCAN_ID];
6502         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
6503                                  struct wpa_scan_results *scan_res);
6504         int *manual_scan_freqs = NULL;
6505
6506         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
6507                 *reply_len = -1;
6508                 return;
6509         }
6510
6511         if (radio_work_pending(wpa_s, "scan")) {
6512                 wpa_printf(MSG_DEBUG,
6513                            "Pending scan scheduled - reject new request");
6514                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
6515                 return;
6516         }
6517
6518         if (params) {
6519                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
6520                         scan_only = 1;
6521
6522                 pos = os_strstr(params, "freq=");
6523                 if (pos) {
6524                         manual_scan_freqs = freq_range_to_channel_list(wpa_s,
6525                                                                        pos + 5);
6526                         if (manual_scan_freqs == NULL) {
6527                                 *reply_len = -1;
6528                                 goto done;
6529                         }
6530                 }
6531
6532                 pos = os_strstr(params, "passive=");
6533                 if (pos)
6534                         manual_scan_passive = !!atoi(pos + 8);
6535
6536                 pos = os_strstr(params, "use_id=");
6537                 if (pos)
6538                         manual_scan_use_id = atoi(pos + 7);
6539
6540                 pos = os_strstr(params, "only_new=1");
6541                 if (pos)
6542                         manual_scan_only_new = 1;
6543
6544                 pos = os_strstr(params, "scan_id=");
6545                 if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
6546                                               scan_id) < 0) {
6547                         *reply_len = -1;
6548                         goto done;
6549                 }
6550         }
6551
6552         if (scan_only)
6553                 scan_res_handler = scan_only_handler;
6554         else if (wpa_s->scan_res_handler == scan_only_handler)
6555                 scan_res_handler = NULL;
6556         else
6557                 scan_res_handler = wpa_s->scan_res_handler;
6558
6559         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
6560             ((wpa_s->wpa_state <= WPA_SCANNING) ||
6561              (wpa_s->wpa_state == WPA_COMPLETED))) {
6562                 wpa_s->manual_scan_passive = manual_scan_passive;
6563                 wpa_s->manual_scan_use_id = manual_scan_use_id;
6564                 wpa_s->manual_scan_only_new = manual_scan_only_new;
6565                 wpa_s->scan_id_count = scan_id_count;
6566                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
6567                 wpa_s->scan_res_handler = scan_res_handler;
6568                 os_free(wpa_s->manual_scan_freqs);
6569                 wpa_s->manual_scan_freqs = manual_scan_freqs;
6570                 manual_scan_freqs = NULL;
6571
6572                 wpa_s->normal_scans = 0;
6573                 wpa_s->scan_req = MANUAL_SCAN_REQ;
6574                 wpa_s->after_wps = 0;
6575                 wpa_s->known_wps_freq = 0;
6576                 wpa_supplicant_req_scan(wpa_s, 0, 0);
6577                 if (wpa_s->manual_scan_use_id) {
6578                         wpa_s->manual_scan_id++;
6579                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
6580                                 wpa_s->manual_scan_id);
6581                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
6582                                                  wpa_s->manual_scan_id);
6583                 }
6584         } else if (wpa_s->sched_scanning) {
6585                 wpa_s->manual_scan_passive = manual_scan_passive;
6586                 wpa_s->manual_scan_use_id = manual_scan_use_id;
6587                 wpa_s->manual_scan_only_new = manual_scan_only_new;
6588                 wpa_s->scan_id_count = scan_id_count;
6589                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
6590                 wpa_s->scan_res_handler = scan_res_handler;
6591                 os_free(wpa_s->manual_scan_freqs);
6592                 wpa_s->manual_scan_freqs = manual_scan_freqs;
6593                 manual_scan_freqs = NULL;
6594
6595                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
6596                 wpa_supplicant_cancel_sched_scan(wpa_s);
6597                 wpa_s->scan_req = MANUAL_SCAN_REQ;
6598                 wpa_supplicant_req_scan(wpa_s, 0, 0);
6599                 if (wpa_s->manual_scan_use_id) {
6600                         wpa_s->manual_scan_id++;
6601                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
6602                                                  wpa_s->manual_scan_id);
6603                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
6604                                 wpa_s->manual_scan_id);
6605                 }
6606         } else {
6607                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
6608                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
6609         }
6610
6611 done:
6612         os_free(manual_scan_freqs);
6613 }
6614
6615
6616 #ifdef CONFIG_TESTING_OPTIONS
6617
6618 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
6619                                        unsigned int freq, const u8 *dst,
6620                                        const u8 *src, const u8 *bssid,
6621                                        const u8 *data, size_t data_len,
6622                                        enum offchannel_send_action_result
6623                                        result)
6624 {
6625         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
6626                 " src=" MACSTR " bssid=" MACSTR " result=%s",
6627                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
6628                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
6629                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
6630                              "NO_ACK" : "FAILED"));
6631 }
6632
6633
6634 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
6635 {
6636         char *pos, *param;
6637         size_t len;
6638         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
6639         int res, used;
6640         int freq = 0, no_cck = 0, wait_time = 0;
6641
6642         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
6643          *    <action=Action frame payload> */
6644
6645         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
6646
6647         pos = cmd;
6648         used = hwaddr_aton2(pos, da);
6649         if (used < 0)
6650                 return -1;
6651         pos += used;
6652         while (*pos == ' ')
6653                 pos++;
6654         used = hwaddr_aton2(pos, bssid);
6655         if (used < 0)
6656                 return -1;
6657         pos += used;
6658
6659         param = os_strstr(pos, " freq=");
6660         if (param) {
6661                 param += 6;
6662                 freq = atoi(param);
6663         }
6664
6665         param = os_strstr(pos, " no_cck=");
6666         if (param) {
6667                 param += 8;
6668                 no_cck = atoi(param);
6669         }
6670
6671         param = os_strstr(pos, " wait_time=");
6672         if (param) {
6673                 param += 11;
6674                 wait_time = atoi(param);
6675         }
6676
6677         param = os_strstr(pos, " action=");
6678         if (param == NULL)
6679                 return -1;
6680         param += 8;
6681
6682         len = os_strlen(param);
6683         if (len & 1)
6684                 return -1;
6685         len /= 2;
6686
6687         buf = os_malloc(len);
6688         if (buf == NULL)
6689                 return -1;
6690
6691         if (hexstr2bin(param, buf, len) < 0) {
6692                 os_free(buf);
6693                 return -1;
6694         }
6695
6696         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
6697                                      buf, len, wait_time,
6698                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
6699         os_free(buf);
6700         return res;
6701 }
6702
6703
6704 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
6705 {
6706         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
6707         offchannel_send_action_done(wpa_s);
6708 }
6709
6710
6711 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
6712 {
6713         char *pos, *param;
6714         union wpa_event_data event;
6715         enum wpa_event_type ev;
6716
6717         /* <event name> [parameters..] */
6718
6719         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
6720
6721         pos = cmd;
6722         param = os_strchr(pos, ' ');
6723         if (param)
6724                 *param++ = '\0';
6725
6726         os_memset(&event, 0, sizeof(event));
6727
6728         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
6729                 ev = EVENT_INTERFACE_ENABLED;
6730         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
6731                 ev = EVENT_INTERFACE_DISABLED;
6732         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
6733                 ev = EVENT_AVOID_FREQUENCIES;
6734                 if (param == NULL)
6735                         param = "";
6736                 if (freq_range_list_parse(&event.freq_range, param) < 0)
6737                         return -1;
6738                 wpa_supplicant_event(wpa_s, ev, &event);
6739                 os_free(event.freq_range.range);
6740                 return 0;
6741         } else {
6742                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
6743                         cmd);
6744                 return -1;
6745         }
6746
6747         wpa_supplicant_event(wpa_s, ev, &event);
6748
6749         return 0;
6750 }
6751
6752
6753 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
6754 {
6755         char *pos;
6756         u8 src[ETH_ALEN], *buf;
6757         int used;
6758         size_t len;
6759
6760         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
6761
6762         pos = cmd;
6763         used = hwaddr_aton2(pos, src);
6764         if (used < 0)
6765                 return -1;
6766         pos += used;
6767         while (*pos == ' ')
6768                 pos++;
6769
6770         len = os_strlen(pos);
6771         if (len & 1)
6772                 return -1;
6773         len /= 2;
6774
6775         buf = os_malloc(len);
6776         if (buf == NULL)
6777                 return -1;
6778
6779         if (hexstr2bin(pos, buf, len) < 0) {
6780                 os_free(buf);
6781                 return -1;
6782         }
6783
6784         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
6785         os_free(buf);
6786
6787         return 0;
6788 }
6789
6790
6791 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
6792 {
6793         size_t i;
6794         u32 sum = 0;
6795         const u16 *pos = buf;
6796
6797         for (i = 0; i < len / 2; i++)
6798                 sum += *pos++;
6799
6800         while (sum >> 16)
6801                 sum = (sum & 0xffff) + (sum >> 16);
6802
6803         return sum ^ 0xffff;
6804 }
6805
6806
6807 #define HWSIM_PACKETLEN 1500
6808 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
6809
6810 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
6811 {
6812         struct wpa_supplicant *wpa_s = ctx;
6813         const struct ether_header *eth;
6814         const struct iphdr *ip;
6815         const u8 *pos;
6816         unsigned int i;
6817
6818         if (len != HWSIM_PACKETLEN)
6819                 return;
6820
6821         eth = (const struct ether_header *) buf;
6822         ip = (const struct iphdr *) (eth + 1);
6823         pos = (const u8 *) (ip + 1);
6824
6825         if (ip->ihl != 5 || ip->version != 4 ||
6826             ntohs(ip->tot_len) != HWSIM_IP_LEN)
6827                 return;
6828
6829         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++) {
6830                 if (*pos != (u8) i)
6831                         return;
6832                 pos++;
6833         }
6834
6835         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
6836                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
6837 }
6838
6839
6840 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
6841                                             char *cmd)
6842 {
6843         int enabled = atoi(cmd);
6844
6845         if (!enabled) {
6846                 if (wpa_s->l2_test) {
6847                         l2_packet_deinit(wpa_s->l2_test);
6848                         wpa_s->l2_test = NULL;
6849                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
6850                 }
6851                 return 0;
6852         }
6853
6854         if (wpa_s->l2_test)
6855                 return 0;
6856
6857         wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
6858                                         ETHERTYPE_IP, wpas_data_test_rx,
6859                                         wpa_s, 1);
6860         if (wpa_s->l2_test == NULL)
6861                 return -1;
6862
6863         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
6864
6865         return 0;
6866 }
6867
6868
6869 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
6870 {
6871         u8 dst[ETH_ALEN], src[ETH_ALEN];
6872         char *pos;
6873         int used;
6874         long int val;
6875         u8 tos;
6876         u8 buf[HWSIM_PACKETLEN];
6877         struct ether_header *eth;
6878         struct iphdr *ip;
6879         u8 *dpos;
6880         unsigned int i;
6881
6882         if (wpa_s->l2_test == NULL)
6883                 return -1;
6884
6885         /* format: <dst> <src> <tos> */
6886
6887         pos = cmd;
6888         used = hwaddr_aton2(pos, dst);
6889         if (used < 0)
6890                 return -1;
6891         pos += used;
6892         while (*pos == ' ')
6893                 pos++;
6894         used = hwaddr_aton2(pos, src);
6895         if (used < 0)
6896                 return -1;
6897         pos += used;
6898
6899         val = strtol(pos, NULL, 0);
6900         if (val < 0 || val > 0xff)
6901                 return -1;
6902         tos = val;
6903
6904         eth = (struct ether_header *) buf;
6905         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
6906         os_memcpy(eth->ether_shost, src, ETH_ALEN);
6907         eth->ether_type = htons(ETHERTYPE_IP);
6908         ip = (struct iphdr *) (eth + 1);
6909         os_memset(ip, 0, sizeof(*ip));
6910         ip->ihl = 5;
6911         ip->version = 4;
6912         ip->ttl = 64;
6913         ip->tos = tos;
6914         ip->tot_len = htons(HWSIM_IP_LEN);
6915         ip->protocol = 1;
6916         ip->saddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 1);
6917         ip->daddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 2);
6918         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
6919         dpos = (u8 *) (ip + 1);
6920         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
6921                 *dpos++ = i;
6922
6923         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, buf,
6924                            HWSIM_PACKETLEN) < 0)
6925                 return -1;
6926
6927         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
6928                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
6929
6930         return 0;
6931 }
6932
6933
6934 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
6935                                            char *cmd)
6936 {
6937         u8 *buf;
6938         struct ether_header *eth;
6939         struct l2_packet_data *l2 = NULL;
6940         size_t len;
6941         u16 ethertype;
6942         int res = -1;
6943
6944         len = os_strlen(cmd);
6945         if (len & 1 || len < ETH_HLEN * 2)
6946                 return -1;
6947         len /= 2;
6948
6949         buf = os_malloc(len);
6950         if (buf == NULL)
6951                 return -1;
6952
6953         if (hexstr2bin(cmd, buf, len) < 0)
6954                 goto done;
6955
6956         eth = (struct ether_header *) buf;
6957         ethertype = ntohs(eth->ether_type);
6958
6959         l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
6960                             wpas_data_test_rx, wpa_s, 1);
6961         if (l2 == NULL)
6962                 goto done;
6963
6964         res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
6965         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
6966 done:
6967         if (l2)
6968                 l2_packet_deinit(l2);
6969         os_free(buf);
6970
6971         return res < 0 ? -1 : 0;
6972 }
6973
6974
6975 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
6976 {
6977 #ifdef WPA_TRACE_BFD
6978         extern char wpa_trace_fail_func[256];
6979         extern unsigned int wpa_trace_fail_after;
6980         char *pos;
6981
6982         wpa_trace_fail_after = atoi(cmd);
6983         pos = os_strchr(cmd, ':');
6984         if (pos) {
6985                 pos++;
6986                 os_strlcpy(wpa_trace_fail_func, pos,
6987                            sizeof(wpa_trace_fail_func));
6988         } else {
6989                 wpa_trace_fail_after = 0;
6990         }
6991         return 0;
6992 #else /* WPA_TRACE_BFD */
6993         return -1;
6994 #endif /* WPA_TRACE_BFD */
6995 }
6996
6997
6998 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
6999                                     char *buf, size_t buflen)
7000 {
7001 #ifdef WPA_TRACE_BFD
7002         extern char wpa_trace_fail_func[256];
7003         extern unsigned int wpa_trace_fail_after;
7004
7005         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
7006                            wpa_trace_fail_func);
7007 #else /* WPA_TRACE_BFD */
7008         return -1;
7009 #endif /* WPA_TRACE_BFD */
7010 }
7011
7012 #endif /* CONFIG_TESTING_OPTIONS */
7013
7014
7015 static void wpas_ctrl_vendor_elem_update(struct wpa_supplicant *wpa_s)
7016 {
7017         unsigned int i;
7018         char buf[30];
7019
7020         wpa_printf(MSG_DEBUG, "Update vendor elements");
7021
7022         for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
7023                 if (wpa_s->vendor_elem[i]) {
7024                         int res;
7025
7026                         res = os_snprintf(buf, sizeof(buf), "frame[%u]", i);
7027                         if (!os_snprintf_error(sizeof(buf), res)) {
7028                                 wpa_hexdump_buf(MSG_DEBUG, buf,
7029                                                 wpa_s->vendor_elem[i]);
7030                         }
7031                 }
7032         }
7033
7034 #ifdef CONFIG_P2P
7035         if (wpa_s->parent == wpa_s &&
7036             wpa_s->global->p2p &&
7037             !wpa_s->global->p2p_disabled)
7038                 p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem);
7039 #endif /* CONFIG_P2P */
7040 }
7041
7042
7043 static struct wpa_supplicant *
7044 wpas_ctrl_vendor_elem_iface(struct wpa_supplicant *wpa_s,
7045                             enum wpa_vendor_elem_frame frame)
7046 {
7047         switch (frame) {
7048 #ifdef CONFIG_P2P
7049         case VENDOR_ELEM_PROBE_REQ_P2P:
7050         case VENDOR_ELEM_PROBE_RESP_P2P:
7051         case VENDOR_ELEM_PROBE_RESP_P2P_GO:
7052         case VENDOR_ELEM_BEACON_P2P_GO:
7053         case VENDOR_ELEM_P2P_PD_REQ:
7054         case VENDOR_ELEM_P2P_PD_RESP:
7055         case VENDOR_ELEM_P2P_GO_NEG_REQ:
7056         case VENDOR_ELEM_P2P_GO_NEG_RESP:
7057         case VENDOR_ELEM_P2P_GO_NEG_CONF:
7058         case VENDOR_ELEM_P2P_INV_REQ:
7059         case VENDOR_ELEM_P2P_INV_RESP:
7060         case VENDOR_ELEM_P2P_ASSOC_REQ:
7061                 return wpa_s->parent;
7062 #endif /* CONFIG_P2P */
7063         default:
7064                 return wpa_s;
7065         }
7066 }
7067
7068
7069 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
7070 {
7071         char *pos = cmd;
7072         int frame;
7073         size_t len;
7074         struct wpabuf *buf;
7075         struct ieee802_11_elems elems;
7076
7077         frame = atoi(pos);
7078         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7079                 return -1;
7080         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7081
7082         pos = os_strchr(pos, ' ');
7083         if (pos == NULL)
7084                 return -1;
7085         pos++;
7086
7087         len = os_strlen(pos);
7088         if (len == 0)
7089                 return 0;
7090         if (len & 1)
7091                 return -1;
7092         len /= 2;
7093
7094         buf = wpabuf_alloc(len);
7095         if (buf == NULL)
7096                 return -1;
7097
7098         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
7099                 wpabuf_free(buf);
7100                 return -1;
7101         }
7102
7103         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
7104             ParseFailed) {
7105                 wpabuf_free(buf);
7106                 return -1;
7107         }
7108
7109         if (wpa_s->vendor_elem[frame] == NULL) {
7110                 wpa_s->vendor_elem[frame] = buf;
7111                 wpas_ctrl_vendor_elem_update(wpa_s);
7112                 return 0;
7113         }
7114
7115         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
7116                 wpabuf_free(buf);
7117                 return -1;
7118         }
7119
7120         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
7121         wpabuf_free(buf);
7122         wpas_ctrl_vendor_elem_update(wpa_s);
7123
7124         return 0;
7125 }
7126
7127
7128 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
7129                                      char *buf, size_t buflen)
7130 {
7131         int frame = atoi(cmd);
7132
7133         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7134                 return -1;
7135         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7136
7137         if (wpa_s->vendor_elem[frame] == NULL)
7138                 return 0;
7139
7140         return wpa_snprintf_hex(buf, buflen,
7141                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
7142                                 wpabuf_len(wpa_s->vendor_elem[frame]));
7143 }
7144
7145
7146 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
7147 {
7148         char *pos = cmd;
7149         int frame;
7150         size_t len;
7151         u8 *buf;
7152         struct ieee802_11_elems elems;
7153         u8 *ie, *end;
7154
7155         frame = atoi(pos);
7156         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7157                 return -1;
7158         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7159
7160         pos = os_strchr(pos, ' ');
7161         if (pos == NULL)
7162                 return -1;
7163         pos++;
7164
7165         if (*pos == '*') {
7166                 wpabuf_free(wpa_s->vendor_elem[frame]);
7167                 wpa_s->vendor_elem[frame] = NULL;
7168                 wpas_ctrl_vendor_elem_update(wpa_s);
7169                 return 0;
7170         }
7171
7172         if (wpa_s->vendor_elem[frame] == NULL)
7173                 return -1;
7174
7175         len = os_strlen(pos);
7176         if (len == 0)
7177                 return 0;
7178         if (len & 1)
7179                 return -1;
7180         len /= 2;
7181
7182         buf = os_malloc(len);
7183         if (buf == NULL)
7184                 return -1;
7185
7186         if (hexstr2bin(pos, buf, len) < 0) {
7187                 os_free(buf);
7188                 return -1;
7189         }
7190
7191         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
7192                 os_free(buf);
7193                 return -1;
7194         }
7195
7196         ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]);
7197         end = ie + wpabuf_len(wpa_s->vendor_elem[frame]);
7198
7199         for (; ie + 1 < end; ie += 2 + ie[1]) {
7200                 if (ie + len > end)
7201                         break;
7202                 if (os_memcmp(ie, buf, len) != 0)
7203                         continue;
7204
7205                 if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) {
7206                         wpabuf_free(wpa_s->vendor_elem[frame]);
7207                         wpa_s->vendor_elem[frame] = NULL;
7208                 } else {
7209                         os_memmove(ie, ie + len,
7210                                    end - (ie + len));
7211                         wpa_s->vendor_elem[frame]->used -= len;
7212                 }
7213                 os_free(buf);
7214                 wpas_ctrl_vendor_elem_update(wpa_s);
7215                 return 0;
7216         }
7217
7218         os_free(buf);
7219
7220         return -1;
7221 }
7222
7223
7224 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
7225 {
7226         struct wpa_supplicant *wpa_s = ctx;
7227
7228         if (neighbor_rep) {
7229                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
7230                              "length=%u",
7231                              (unsigned int) wpabuf_len(neighbor_rep));
7232                 wpabuf_free(neighbor_rep);
7233         } else {
7234                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
7235         }
7236 }
7237
7238
7239 static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s,
7240                                             char *cmd)
7241 {
7242         struct wpa_ssid ssid;
7243         struct wpa_ssid *ssid_p = NULL;
7244         int ret = 0;
7245
7246         if (os_strncmp(cmd, " ssid=", 6) == 0) {
7247                 ssid.ssid_len = os_strlen(cmd + 6);
7248                 if (ssid.ssid_len > 32)
7249                         return -1;
7250                 ssid.ssid = (u8 *) (cmd + 6);
7251                 ssid_p = &ssid;
7252         }
7253
7254         ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p,
7255                                                  wpas_ctrl_neighbor_rep_cb,
7256                                                  wpa_s);
7257
7258         return ret;
7259 }
7260
7261
7262 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
7263 {
7264         eapol_sm_erp_flush(wpa_s->eapol);
7265         return 0;
7266 }
7267
7268
7269 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
7270                                          char *cmd)
7271 {
7272         char *token, *context = NULL;
7273         unsigned int enable = ~0, type = 0;
7274         u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
7275         u8 *addr = NULL, *mask = NULL;
7276
7277         while ((token = str_token(cmd, " ", &context))) {
7278                 if (os_strcasecmp(token, "scan") == 0) {
7279                         type |= MAC_ADDR_RAND_SCAN;
7280                 } else if (os_strcasecmp(token, "sched") == 0) {
7281                         type |= MAC_ADDR_RAND_SCHED_SCAN;
7282                 } else if (os_strcasecmp(token, "pno") == 0) {
7283                         type |= MAC_ADDR_RAND_PNO;
7284                 } else if (os_strcasecmp(token, "all") == 0) {
7285                         type = wpa_s->mac_addr_rand_supported;
7286                 } else if (os_strncasecmp(token, "enable=", 7) == 0) {
7287                         enable = atoi(token + 7);
7288                 } else if (os_strncasecmp(token, "addr=", 5) == 0) {
7289                         addr = _addr;
7290                         if (hwaddr_aton(token + 5, addr)) {
7291                                 wpa_printf(MSG_INFO,
7292                                            "CTRL: Invalid MAC address: %s",
7293                                            token);
7294                                 return -1;
7295                         }
7296                 } else if (os_strncasecmp(token, "mask=", 5) == 0) {
7297                         mask = _mask;
7298                         if (hwaddr_aton(token + 5, mask)) {
7299                                 wpa_printf(MSG_INFO,
7300                                            "CTRL: Invalid MAC address mask: %s",
7301                                            token);
7302                                 return -1;
7303                         }
7304                 } else {
7305                         wpa_printf(MSG_INFO,
7306                                    "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
7307                                    token);
7308                         return -1;
7309                 }
7310         }
7311
7312         if (!type) {
7313                 wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
7314                 return -1;
7315         }
7316
7317         if ((wpa_s->mac_addr_rand_supported & type) != type) {
7318                 wpa_printf(MSG_INFO,
7319                            "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
7320                            type, wpa_s->mac_addr_rand_supported);
7321                 return -1;
7322         }
7323
7324         if (enable > 1) {
7325                 wpa_printf(MSG_INFO,
7326                            "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
7327                 return -1;
7328         }
7329
7330         if (!enable) {
7331                 wpas_mac_addr_rand_scan_clear(wpa_s, type);
7332                 if (wpa_s->pno) {
7333                         if (type & MAC_ADDR_RAND_PNO) {
7334                                 wpas_stop_pno(wpa_s);
7335                                 wpas_start_pno(wpa_s);
7336                         }
7337                 } else if (wpa_s->sched_scanning &&
7338                            (type & MAC_ADDR_RAND_SCHED_SCAN)) {
7339                         /* simulate timeout to restart the sched scan */
7340                         wpa_s->sched_scan_timed_out = 1;
7341                         wpa_s->prev_sched_ssid = NULL;
7342                         wpa_supplicant_cancel_sched_scan(wpa_s);
7343                 }
7344                 return 0;
7345         }
7346
7347         if ((addr && !mask) || (!addr && mask)) {
7348                 wpa_printf(MSG_INFO,
7349                            "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
7350                 return -1;
7351         }
7352
7353         if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
7354                 wpa_printf(MSG_INFO,
7355                            "CTRL: MAC_RAND_SCAN cannot allow multicast address");
7356                 return -1;
7357         }
7358
7359         if (type & MAC_ADDR_RAND_SCAN) {
7360                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
7361                                             addr, mask);
7362         }
7363
7364         if (type & MAC_ADDR_RAND_SCHED_SCAN) {
7365                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
7366                                             addr, mask);
7367
7368                 if (wpa_s->sched_scanning && !wpa_s->pno) {
7369                         /* simulate timeout to restart the sched scan */
7370                         wpa_s->sched_scan_timed_out = 1;
7371                         wpa_s->prev_sched_ssid = NULL;
7372                         wpa_supplicant_cancel_sched_scan(wpa_s);
7373                 }
7374         }
7375
7376         if (type & MAC_ADDR_RAND_PNO) {
7377                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
7378                                             addr, mask);
7379                 if (wpa_s->pno) {
7380                         wpas_stop_pno(wpa_s);
7381                         wpas_start_pno(wpa_s);
7382                 }
7383         }
7384
7385         return 0;
7386 }
7387
7388
7389 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
7390                                          char *buf, size_t *resp_len)
7391 {
7392         char *reply;
7393         const int reply_size = 4096;
7394         int reply_len;
7395
7396         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
7397             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
7398                 if (wpa_debug_show_keys)
7399                         wpa_dbg(wpa_s, MSG_DEBUG,
7400                                 "Control interface command '%s'", buf);
7401                 else
7402                         wpa_dbg(wpa_s, MSG_DEBUG,
7403                                 "Control interface command '%s [REMOVED]'",
7404                                 os_strncmp(buf, WPA_CTRL_RSP,
7405                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
7406                                 WPA_CTRL_RSP : "SET_NETWORK");
7407         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
7408                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
7409                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
7410                                       (const u8 *) buf, os_strlen(buf));
7411         } else {
7412                 int level = MSG_DEBUG;
7413                 if (os_strcmp(buf, "PING") == 0)
7414                         level = MSG_EXCESSIVE;
7415                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
7416         }
7417
7418         reply = os_malloc(reply_size);
7419         if (reply == NULL) {
7420                 *resp_len = 1;
7421                 return NULL;
7422         }
7423
7424         os_memcpy(reply, "OK\n", 3);
7425         reply_len = 3;
7426
7427         if (os_strcmp(buf, "PING") == 0) {
7428                 os_memcpy(reply, "PONG\n", 5);
7429                 reply_len = 5;
7430         } else if (os_strcmp(buf, "IFNAME") == 0) {
7431                 reply_len = os_strlen(wpa_s->ifname);
7432                 os_memcpy(reply, wpa_s->ifname, reply_len);
7433         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
7434                 if (wpa_debug_reopen_file() < 0)
7435                         reply_len = -1;
7436         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
7437                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
7438         } else if (os_strcmp(buf, "MIB") == 0) {
7439                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
7440                 if (reply_len >= 0) {
7441                         reply_len += eapol_sm_get_mib(wpa_s->eapol,
7442                                                       reply + reply_len,
7443                                                       reply_size - reply_len);
7444                 }
7445         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
7446                 reply_len = wpa_supplicant_ctrl_iface_status(
7447                         wpa_s, buf + 6, reply, reply_size);
7448         } else if (os_strcmp(buf, "PMKSA") == 0) {
7449                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
7450                                                     reply_size);
7451         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
7452                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
7453         } else if (os_strncmp(buf, "SET ", 4) == 0) {
7454                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
7455                         reply_len = -1;
7456         } else if (os_strncmp(buf, "GET ", 4) == 0) {
7457                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
7458                                                           reply, reply_size);
7459         } else if (os_strcmp(buf, "LOGON") == 0) {
7460                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
7461         } else if (os_strcmp(buf, "LOGOFF") == 0) {
7462                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
7463         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
7464                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
7465                         reply_len = -1;
7466                 else
7467                         wpas_request_connection(wpa_s);
7468         } else if (os_strcmp(buf, "REATTACH") == 0) {
7469                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
7470                     !wpa_s->current_ssid)
7471                         reply_len = -1;
7472                 else {
7473                         wpa_s->reattach = 1;
7474                         wpas_request_connection(wpa_s);
7475                 }
7476         } else if (os_strcmp(buf, "RECONNECT") == 0) {
7477                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
7478                         reply_len = -1;
7479                 else if (wpa_s->disconnected)
7480                         wpas_request_connection(wpa_s);
7481 #ifdef IEEE8021X_EAPOL
7482         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
7483                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
7484                         reply_len = -1;
7485 #endif /* IEEE8021X_EAPOL */
7486 #ifdef CONFIG_PEERKEY
7487         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
7488                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
7489                         reply_len = -1;
7490 #endif /* CONFIG_PEERKEY */
7491 #ifdef CONFIG_IEEE80211R
7492         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
7493                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
7494                         reply_len = -1;
7495 #endif /* CONFIG_IEEE80211R */
7496 #ifdef CONFIG_WPS
7497         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
7498                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
7499                 if (res == -2) {
7500                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
7501                         reply_len = 17;
7502                 } else if (res)
7503                         reply_len = -1;
7504         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
7505                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
7506                 if (res == -2) {
7507                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
7508                         reply_len = 17;
7509                 } else if (res)
7510                         reply_len = -1;
7511         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
7512                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
7513                                                               reply,
7514                                                               reply_size);
7515         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
7516                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
7517                         wpa_s, buf + 14, reply, reply_size);
7518         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
7519                 if (wpas_wps_cancel(wpa_s))
7520                         reply_len = -1;
7521 #ifdef CONFIG_WPS_NFC
7522         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
7523                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
7524                         reply_len = -1;
7525         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
7526                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
7527                         reply_len = -1;
7528         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
7529                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
7530                         wpa_s, buf + 21, reply, reply_size);
7531         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
7532                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
7533                         wpa_s, buf + 14, reply, reply_size);
7534         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
7535                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
7536                                                                buf + 17))
7537                         reply_len = -1;
7538         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
7539                 reply_len = wpas_ctrl_nfc_get_handover_req(
7540                         wpa_s, buf + 21, reply, reply_size);
7541         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
7542                 reply_len = wpas_ctrl_nfc_get_handover_sel(
7543                         wpa_s, buf + 21, reply, reply_size);
7544         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
7545                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
7546                         reply_len = -1;
7547 #endif /* CONFIG_WPS_NFC */
7548         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
7549                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
7550                         reply_len = -1;
7551 #ifdef CONFIG_AP
7552         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
7553                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
7554                         wpa_s, buf + 11, reply, reply_size);
7555 #endif /* CONFIG_AP */
7556 #ifdef CONFIG_WPS_ER
7557         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
7558                 if (wpas_wps_er_start(wpa_s, NULL))
7559                         reply_len = -1;
7560         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
7561                 if (wpas_wps_er_start(wpa_s, buf + 13))
7562                         reply_len = -1;
7563         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
7564                 wpas_wps_er_stop(wpa_s);
7565         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
7566                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
7567                         reply_len = -1;
7568         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
7569                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
7570                 if (ret == -2) {
7571                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
7572                         reply_len = 17;
7573                 } else if (ret == -3) {
7574                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
7575                         reply_len = 18;
7576                 } else if (ret == -4) {
7577                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
7578                         reply_len = 20;
7579                 } else if (ret)
7580                         reply_len = -1;
7581         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
7582                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
7583                         reply_len = -1;
7584         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
7585                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
7586                                                                 buf + 18))
7587                         reply_len = -1;
7588         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
7589                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
7590                         reply_len = -1;
7591 #ifdef CONFIG_WPS_NFC
7592         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
7593                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
7594                         wpa_s, buf + 24, reply, reply_size);
7595 #endif /* CONFIG_WPS_NFC */
7596 #endif /* CONFIG_WPS_ER */
7597 #endif /* CONFIG_WPS */
7598 #ifdef CONFIG_IBSS_RSN
7599         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
7600                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
7601                         reply_len = -1;
7602 #endif /* CONFIG_IBSS_RSN */
7603 #ifdef CONFIG_MESH
7604         } else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
7605                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
7606                         wpa_s, buf + 19, reply, reply_size);
7607         } else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
7608                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
7609                         wpa_s, "", reply, reply_size);
7610         } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
7611                 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
7612                         reply_len = -1;
7613         } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
7614                 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
7615                                                                 buf + 18))
7616                         reply_len = -1;
7617 #endif /* CONFIG_MESH */
7618 #ifdef CONFIG_P2P
7619         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
7620                 if (p2p_ctrl_find(wpa_s, buf + 9))
7621                         reply_len = -1;
7622         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
7623                 if (p2p_ctrl_find(wpa_s, ""))
7624                         reply_len = -1;
7625         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
7626                 wpas_p2p_stop_find(wpa_s);
7627         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
7628                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
7629                                              reply_size);
7630         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
7631                 if (p2p_ctrl_listen(wpa_s, buf + 11))
7632                         reply_len = -1;
7633         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
7634                 if (p2p_ctrl_listen(wpa_s, ""))
7635                         reply_len = -1;
7636         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
7637                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
7638                         reply_len = -1;
7639         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
7640                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0, 0))
7641                         reply_len = -1;
7642         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
7643                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
7644                         reply_len = -1;
7645         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
7646                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
7647                         reply_len = -1;
7648         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
7649                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
7650         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
7651                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
7652                                                    reply_size);
7653         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
7654                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
7655                         reply_len = -1;
7656         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
7657                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
7658                         reply_len = -1;
7659         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
7660                 wpas_p2p_sd_service_update(wpa_s);
7661         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
7662                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
7663                         reply_len = -1;
7664         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
7665                 wpas_p2p_service_flush(wpa_s);
7666         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
7667                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
7668                         reply_len = -1;
7669         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
7670                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
7671                         reply_len = -1;
7672         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
7673                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
7674                         reply_len = -1;
7675         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
7676                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
7677                         reply_len = -1;
7678         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
7679                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
7680                                               reply_size);
7681         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
7682                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
7683                         reply_len = -1;
7684         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
7685                 p2p_ctrl_flush(wpa_s);
7686         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
7687                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
7688                         reply_len = -1;
7689         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
7690                 if (wpas_p2p_cancel(wpa_s))
7691                         reply_len = -1;
7692         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
7693                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
7694                         reply_len = -1;
7695         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
7696                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
7697                         reply_len = -1;
7698         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
7699                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
7700                         reply_len = -1;
7701         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
7702                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
7703                         reply_len = -1;
7704         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
7705                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
7706                         reply_len = -1;
7707 #endif /* CONFIG_P2P */
7708 #ifdef CONFIG_WIFI_DISPLAY
7709         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
7710                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
7711                         reply_len = -1;
7712         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
7713                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
7714                                                      reply, reply_size);
7715 #endif /* CONFIG_WIFI_DISPLAY */
7716 #ifdef CONFIG_INTERWORKING
7717         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
7718                 if (interworking_fetch_anqp(wpa_s) < 0)
7719                         reply_len = -1;
7720         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
7721                 interworking_stop_fetch_anqp(wpa_s);
7722         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
7723                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
7724                         reply_len = -1;
7725         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
7726                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
7727                         reply_len = -1;
7728         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
7729                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
7730                         reply_len = -1;
7731         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
7732                 if (get_anqp(wpa_s, buf + 9) < 0)
7733                         reply_len = -1;
7734         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
7735                 if (gas_request(wpa_s, buf + 12) < 0)
7736                         reply_len = -1;
7737         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
7738                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
7739                                              reply_size);
7740 #endif /* CONFIG_INTERWORKING */
7741 #ifdef CONFIG_HS20
7742         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
7743                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
7744                         reply_len = -1;
7745         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
7746                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
7747                         reply_len = -1;
7748         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
7749                 if (hs20_icon_request(wpa_s, buf + 18) < 0)
7750                         reply_len = -1;
7751         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
7752                 if (hs20_fetch_osu(wpa_s) < 0)
7753                         reply_len = -1;
7754         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
7755                 hs20_cancel_fetch_osu(wpa_s);
7756 #endif /* CONFIG_HS20 */
7757         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
7758         {
7759                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
7760                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
7761                         reply_len = -1;
7762                 else {
7763                         /*
7764                          * Notify response from timeout to allow the control
7765                          * interface response to be sent first.
7766                          */
7767                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
7768                                                wpa_s, NULL);
7769                 }
7770         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
7771                 if (wpa_supplicant_reload_configuration(wpa_s))
7772                         reply_len = -1;
7773         } else if (os_strcmp(buf, "TERMINATE") == 0) {
7774                 wpa_supplicant_terminate_proc(wpa_s->global);
7775         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
7776                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
7777                         reply_len = -1;
7778         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
7779                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
7780                         wpa_s, buf + 9, reply, reply_size);
7781         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
7782                 reply_len = wpa_supplicant_ctrl_iface_log_level(
7783                         wpa_s, buf + 9, reply, reply_size);
7784         } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
7785                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
7786                         wpa_s, buf + 14, reply, reply_size);
7787         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
7788                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
7789                         wpa_s, NULL, reply, reply_size);
7790         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
7791 #ifdef CONFIG_SME
7792                 wpa_s->sme.prev_bssid_set = 0;
7793 #endif /* CONFIG_SME */
7794                 wpa_s->reassociate = 0;
7795                 wpa_s->disconnected = 1;
7796                 wpa_supplicant_cancel_sched_scan(wpa_s);
7797                 wpa_supplicant_cancel_scan(wpa_s);
7798                 wpa_supplicant_deauthenticate(wpa_s,
7799                                               WLAN_REASON_DEAUTH_LEAVING);
7800         } else if (os_strcmp(buf, "SCAN") == 0) {
7801                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
7802         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
7803                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
7804         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
7805                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
7806                         wpa_s, reply, reply_size);
7807         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
7808                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
7809                         reply_len = -1;
7810         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
7811                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
7812                         reply_len = -1;
7813         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
7814                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
7815                         reply_len = -1;
7816         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
7817                 reply_len = wpa_supplicant_ctrl_iface_add_network(
7818                         wpa_s, reply, reply_size);
7819         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
7820                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
7821                         reply_len = -1;
7822         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
7823                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
7824                         reply_len = -1;
7825         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
7826                 reply_len = wpa_supplicant_ctrl_iface_get_network(
7827                         wpa_s, buf + 12, reply, reply_size);
7828         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
7829                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12))
7830                         reply_len = -1;
7831         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
7832                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
7833                         wpa_s, reply, reply_size);
7834         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
7835                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
7836                         wpa_s, reply, reply_size);
7837         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
7838                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
7839                         reply_len = -1;
7840         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
7841                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
7842                         reply_len = -1;
7843         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
7844                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
7845                                                                reply,
7846                                                                reply_size);
7847 #ifndef CONFIG_NO_CONFIG_WRITE
7848         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
7849                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
7850                         reply_len = -1;
7851 #endif /* CONFIG_NO_CONFIG_WRITE */
7852         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
7853                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
7854                         wpa_s, buf + 15, reply, reply_size);
7855         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
7856                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
7857                         reply_len = -1;
7858         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
7859                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
7860                         reply_len = -1;
7861         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
7862                 reply_len = wpa_supplicant_global_iface_list(
7863                         wpa_s->global, reply, reply_size);
7864         } else if (os_strcmp(buf, "INTERFACES") == 0) {
7865                 reply_len = wpa_supplicant_global_iface_interfaces(
7866                         wpa_s->global, reply, reply_size);
7867         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
7868                 reply_len = wpa_supplicant_ctrl_iface_bss(
7869                         wpa_s, buf + 4, reply, reply_size);
7870 #ifdef CONFIG_AP
7871         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
7872                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
7873         } else if (os_strncmp(buf, "STA ", 4) == 0) {
7874                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
7875                                               reply_size);
7876         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
7877                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
7878                                                    reply_size);
7879         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
7880                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
7881                         reply_len = -1;
7882         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
7883                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
7884                         reply_len = -1;
7885         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
7886                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
7887                         reply_len = -1;
7888 #endif /* CONFIG_AP */
7889         } else if (os_strcmp(buf, "SUSPEND") == 0) {
7890                 wpas_notify_suspend(wpa_s->global);
7891         } else if (os_strcmp(buf, "RESUME") == 0) {
7892                 wpas_notify_resume(wpa_s->global);
7893 #ifdef CONFIG_TESTING_OPTIONS
7894         } else if (os_strcmp(buf, "DROP_SA") == 0) {
7895                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
7896 #endif /* CONFIG_TESTING_OPTIONS */
7897         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
7898                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
7899                         reply_len = -1;
7900         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
7901                 wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
7902         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
7903                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
7904                         reply_len = -1;
7905         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
7906                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
7907                                                                buf + 17))
7908                         reply_len = -1;
7909         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
7910                 wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
7911 #ifdef CONFIG_TDLS
7912         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
7913                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
7914                         reply_len = -1;
7915         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
7916                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
7917                         reply_len = -1;
7918         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
7919                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
7920                         reply_len = -1;
7921         } else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
7922                 if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
7923                                                                buf + 17))
7924                         reply_len = -1;
7925         } else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
7926                 if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
7927                                                                       buf + 24))
7928                         reply_len = -1;
7929 #endif /* CONFIG_TDLS */
7930         } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
7931                 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
7932         } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
7933                 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
7934                         reply_len = -1;
7935         } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
7936                 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
7937                         reply_len = -1;
7938         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
7939                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
7940                                                        reply_size);
7941         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
7942                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
7943                                                        reply_size);
7944 #ifdef CONFIG_AUTOSCAN
7945         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
7946                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
7947                         reply_len = -1;
7948 #endif /* CONFIG_AUTOSCAN */
7949 #ifdef ANDROID
7950         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
7951                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
7952                                                       reply_size);
7953 #endif /* ANDROID */
7954         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
7955                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
7956                                                       reply_size);
7957         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
7958                 pmksa_cache_clear_current(wpa_s->wpa);
7959                 eapol_sm_request_reauth(wpa_s->eapol);
7960 #ifdef CONFIG_WNM
7961         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
7962                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
7963                         reply_len = -1;
7964         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
7965                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
7966                                 reply_len = -1;
7967 #endif /* CONFIG_WNM */
7968         } else if (os_strcmp(buf, "FLUSH") == 0) {
7969                 wpa_supplicant_ctrl_iface_flush(wpa_s);
7970         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
7971                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
7972                                                  reply_size);
7973 #ifdef CONFIG_TESTING_OPTIONS
7974         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
7975                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
7976                         reply_len = -1;
7977         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
7978                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
7979         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
7980                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
7981                         reply_len = -1;
7982         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
7983                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
7984                         reply_len = -1;
7985         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
7986                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
7987                         reply_len = -1;
7988         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
7989                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
7990                         reply_len = -1;
7991         } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
7992                 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
7993                         reply_len = -1;
7994         } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
7995                 if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
7996                         reply_len = -1;
7997         } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
7998                 reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
7999 #endif /* CONFIG_TESTING_OPTIONS */
8000         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
8001                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
8002                         reply_len = -1;
8003         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
8004                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
8005                                                       reply_size);
8006         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
8007                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
8008                         reply_len = -1;
8009         } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
8010                 if (wpas_ctrl_iface_send_neigbor_rep(wpa_s, buf + 20))
8011                         reply_len = -1;
8012         } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
8013                 wpas_ctrl_iface_erp_flush(wpa_s);
8014         } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
8015                 if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
8016                         reply_len = -1;
8017         } else {
8018                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8019                 reply_len = 16;
8020         }
8021
8022         if (reply_len < 0) {
8023                 os_memcpy(reply, "FAIL\n", 5);
8024                 reply_len = 5;
8025         }
8026
8027         *resp_len = reply_len;
8028         return reply;
8029 }
8030
8031
8032 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
8033                                            char *cmd)
8034 {
8035         struct wpa_interface iface;
8036         char *pos;
8037
8038         /*
8039          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
8040          * TAB<bridge_ifname>
8041          */
8042         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
8043
8044         os_memset(&iface, 0, sizeof(iface));
8045
8046         do {
8047                 iface.ifname = pos = cmd;
8048                 pos = os_strchr(pos, '\t');
8049                 if (pos)
8050                         *pos++ = '\0';
8051                 if (iface.ifname[0] == '\0')
8052                         return -1;
8053                 if (pos == NULL)
8054                         break;
8055
8056                 iface.confname = pos;
8057                 pos = os_strchr(pos, '\t');
8058                 if (pos)
8059                         *pos++ = '\0';
8060                 if (iface.confname[0] == '\0')
8061                         iface.confname = NULL;
8062                 if (pos == NULL)
8063                         break;
8064
8065                 iface.driver = pos;
8066                 pos = os_strchr(pos, '\t');
8067                 if (pos)
8068                         *pos++ = '\0';
8069                 if (iface.driver[0] == '\0')
8070                         iface.driver = NULL;
8071                 if (pos == NULL)
8072                         break;
8073
8074                 iface.ctrl_interface = pos;
8075                 pos = os_strchr(pos, '\t');
8076                 if (pos)
8077                         *pos++ = '\0';
8078                 if (iface.ctrl_interface[0] == '\0')
8079                         iface.ctrl_interface = NULL;
8080                 if (pos == NULL)
8081                         break;
8082
8083                 iface.driver_param = pos;
8084                 pos = os_strchr(pos, '\t');
8085                 if (pos)
8086                         *pos++ = '\0';
8087                 if (iface.driver_param[0] == '\0')
8088                         iface.driver_param = NULL;
8089                 if (pos == NULL)
8090                         break;
8091
8092                 iface.bridge_ifname = pos;
8093                 pos = os_strchr(pos, '\t');
8094                 if (pos)
8095                         *pos++ = '\0';
8096                 if (iface.bridge_ifname[0] == '\0')
8097                         iface.bridge_ifname = NULL;
8098                 if (pos == NULL)
8099                         break;
8100         } while (0);
8101
8102         if (wpa_supplicant_get_iface(global, iface.ifname))
8103                 return -1;
8104
8105         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
8106 }
8107
8108
8109 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
8110                                               char *cmd)
8111 {
8112         struct wpa_supplicant *wpa_s;
8113
8114         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
8115
8116         wpa_s = wpa_supplicant_get_iface(global, cmd);
8117         if (wpa_s == NULL)
8118                 return -1;
8119         return wpa_supplicant_remove_iface(global, wpa_s, 0);
8120 }
8121
8122
8123 static void wpa_free_iface_info(struct wpa_interface_info *iface)
8124 {
8125         struct wpa_interface_info *prev;
8126
8127         while (iface) {
8128                 prev = iface;
8129                 iface = iface->next;
8130
8131                 os_free(prev->ifname);
8132                 os_free(prev->desc);
8133                 os_free(prev);
8134         }
8135 }
8136
8137
8138 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
8139                                             char *buf, int len)
8140 {
8141         int i, res;
8142         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
8143         char *pos, *end;
8144
8145         for (i = 0; wpa_drivers[i]; i++) {
8146                 struct wpa_driver_ops *drv = wpa_drivers[i];
8147                 if (drv->get_interfaces == NULL)
8148                         continue;
8149                 tmp = drv->get_interfaces(global->drv_priv[i]);
8150                 if (tmp == NULL)
8151                         continue;
8152
8153                 if (last == NULL)
8154                         iface = last = tmp;
8155                 else
8156                         last->next = tmp;
8157                 while (last->next)
8158                         last = last->next;
8159         }
8160
8161         pos = buf;
8162         end = buf + len;
8163         for (tmp = iface; tmp; tmp = tmp->next) {
8164                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
8165                                   tmp->drv_name, tmp->ifname,
8166                                   tmp->desc ? tmp->desc : "");
8167                 if (os_snprintf_error(end - pos, res)) {
8168                         *pos = '\0';
8169                         break;
8170                 }
8171                 pos += res;
8172         }
8173
8174         wpa_free_iface_info(iface);
8175
8176         return pos - buf;
8177 }
8178
8179
8180 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
8181                                                   char *buf, int len)
8182 {
8183         int res;
8184         char *pos, *end;
8185         struct wpa_supplicant *wpa_s;
8186
8187         wpa_s = global->ifaces;
8188         pos = buf;
8189         end = buf + len;
8190
8191         while (wpa_s) {
8192                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
8193                 if (os_snprintf_error(end - pos, res)) {
8194                         *pos = '\0';
8195                         break;
8196                 }
8197                 pos += res;
8198                 wpa_s = wpa_s->next;
8199         }
8200         return pos - buf;
8201 }
8202
8203
8204 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
8205                                             const char *ifname,
8206                                             char *cmd, size_t *resp_len)
8207 {
8208         struct wpa_supplicant *wpa_s;
8209
8210         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8211                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
8212                         break;
8213         }
8214
8215         if (wpa_s == NULL) {
8216                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
8217                 if (resp)
8218                         *resp_len = os_strlen(resp);
8219                 else
8220                         *resp_len = 1;
8221                 return resp;
8222         }
8223
8224         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
8225 }
8226
8227
8228 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
8229                                                char *buf, size_t *resp_len)
8230 {
8231 #ifdef CONFIG_P2P
8232         static const char * cmd[] = {
8233                 "LIST_NETWORKS",
8234                 "P2P_FIND",
8235                 "P2P_STOP_FIND",
8236                 "P2P_LISTEN",
8237                 "P2P_GROUP_ADD",
8238                 "P2P_GET_PASSPHRASE",
8239                 "P2P_SERVICE_UPDATE",
8240                 "P2P_SERVICE_FLUSH",
8241                 "P2P_FLUSH",
8242                 "P2P_CANCEL",
8243                 "P2P_PRESENCE_REQ",
8244                 "P2P_EXT_LISTEN",
8245                 NULL
8246         };
8247         static const char * prefix[] = {
8248 #ifdef ANDROID
8249                 "DRIVER ",
8250 #endif /* ANDROID */
8251                 "GET_NETWORK ",
8252                 "REMOVE_NETWORK ",
8253                 "P2P_FIND ",
8254                 "P2P_CONNECT ",
8255                 "P2P_LISTEN ",
8256                 "P2P_GROUP_REMOVE ",
8257                 "P2P_GROUP_ADD ",
8258                 "P2P_PROV_DISC ",
8259                 "P2P_SERV_DISC_REQ ",
8260                 "P2P_SERV_DISC_CANCEL_REQ ",
8261                 "P2P_SERV_DISC_RESP ",
8262                 "P2P_SERV_DISC_EXTERNAL ",
8263                 "P2P_SERVICE_ADD ",
8264                 "P2P_SERVICE_DEL ",
8265                 "P2P_REJECT ",
8266                 "P2P_INVITE ",
8267                 "P2P_PEER ",
8268                 "P2P_SET ",
8269                 "P2P_UNAUTHORIZE ",
8270                 "P2P_PRESENCE_REQ ",
8271                 "P2P_EXT_LISTEN ",
8272                 "P2P_REMOVE_CLIENT ",
8273                 "WPS_NFC_TOKEN ",
8274                 "WPS_NFC_TAG_READ ",
8275                 "NFC_GET_HANDOVER_SEL ",
8276                 "NFC_GET_HANDOVER_REQ ",
8277                 "NFC_REPORT_HANDOVER ",
8278                 NULL
8279         };
8280         int found = 0;
8281         int i;
8282
8283         if (global->p2p_init_wpa_s == NULL)
8284                 return NULL;
8285
8286         for (i = 0; !found && cmd[i]; i++) {
8287                 if (os_strcmp(buf, cmd[i]) == 0)
8288                         found = 1;
8289         }
8290
8291         for (i = 0; !found && prefix[i]; i++) {
8292                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
8293                         found = 1;
8294         }
8295
8296         if (found)
8297                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
8298                                                          buf, resp_len);
8299 #endif /* CONFIG_P2P */
8300         return NULL;
8301 }
8302
8303
8304 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
8305                                                char *buf, size_t *resp_len)
8306 {
8307 #ifdef CONFIG_WIFI_DISPLAY
8308         if (global->p2p_init_wpa_s == NULL)
8309                 return NULL;
8310         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
8311             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
8312                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
8313                                                          buf, resp_len);
8314 #endif /* CONFIG_WIFI_DISPLAY */
8315         return NULL;
8316 }
8317
8318
8319 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
8320                                            char *buf, size_t *resp_len)
8321 {
8322         char *ret;
8323
8324         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
8325         if (ret)
8326                 return ret;
8327
8328         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
8329         if (ret)
8330                 return ret;
8331
8332         return NULL;
8333 }
8334
8335
8336 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
8337 {
8338         char *value;
8339
8340         value = os_strchr(cmd, ' ');
8341         if (value == NULL)
8342                 return -1;
8343         *value++ = '\0';
8344
8345         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
8346
8347 #ifdef CONFIG_WIFI_DISPLAY
8348         if (os_strcasecmp(cmd, "wifi_display") == 0) {
8349                 wifi_display_enable(global, !!atoi(value));
8350                 return 0;
8351         }
8352 #endif /* CONFIG_WIFI_DISPLAY */
8353
8354         /* Restore cmd to its original value to allow redirection */
8355         value[-1] = ' ';
8356
8357         return -1;
8358 }
8359
8360
8361 #ifndef CONFIG_NO_CONFIG_WRITE
8362 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
8363 {
8364         int ret = 0, saved = 0;
8365         struct wpa_supplicant *wpa_s;
8366
8367         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8368                 if (!wpa_s->conf->update_config) {
8369                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
8370                         continue;
8371                 }
8372
8373                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
8374                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
8375                         ret = 1;
8376                 } else {
8377                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
8378                         saved++;
8379                 }
8380         }
8381
8382         if (!saved && !ret) {
8383                 wpa_dbg(wpa_s, MSG_DEBUG,
8384                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
8385                 ret = 1;
8386         }
8387
8388         return ret;
8389 }
8390 #endif /* CONFIG_NO_CONFIG_WRITE */
8391
8392
8393 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
8394                                          char *buf, size_t buflen)
8395 {
8396         char *pos, *end;
8397         int ret;
8398         struct wpa_supplicant *wpa_s;
8399
8400         pos = buf;
8401         end = buf + buflen;
8402
8403 #ifdef CONFIG_P2P
8404         if (global->p2p && !global->p2p_disabled) {
8405                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
8406                                   "\n"
8407                                   "p2p_state=%s\n",
8408                                   MAC2STR(global->p2p_dev_addr),
8409                                   p2p_get_state_txt(global->p2p));
8410                 if (os_snprintf_error(end - pos, ret))
8411                         return pos - buf;
8412                 pos += ret;
8413         } else if (global->p2p) {
8414                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
8415                 if (os_snprintf_error(end - pos, ret))
8416                         return pos - buf;
8417                 pos += ret;
8418         }
8419 #endif /* CONFIG_P2P */
8420
8421 #ifdef CONFIG_WIFI_DISPLAY
8422         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
8423                           !!global->wifi_display);
8424         if (os_snprintf_error(end - pos, ret))
8425                 return pos - buf;
8426         pos += ret;
8427 #endif /* CONFIG_WIFI_DISPLAY */
8428
8429         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8430                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
8431                                   "address=" MACSTR "\n",
8432                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
8433                 if (os_snprintf_error(end - pos, ret))
8434                         return pos - buf;
8435                 pos += ret;
8436         }
8437
8438         return pos - buf;
8439 }
8440
8441
8442 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
8443                                                 char *buf, size_t *resp_len)
8444 {
8445         char *reply;
8446         const int reply_size = 2048;
8447         int reply_len;
8448         int level = MSG_DEBUG;
8449
8450         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
8451                 char *pos = os_strchr(buf + 7, ' ');
8452                 if (pos) {
8453                         *pos++ = '\0';
8454                         return wpas_global_ctrl_iface_ifname(global,
8455                                                              buf + 7, pos,
8456                                                              resp_len);
8457                 }
8458         }
8459
8460         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
8461         if (reply)
8462                 return reply;
8463
8464         if (os_strcmp(buf, "PING") == 0)
8465                 level = MSG_EXCESSIVE;
8466         wpa_hexdump_ascii(level, "RX global ctrl_iface",
8467                           (const u8 *) buf, os_strlen(buf));
8468
8469         reply = os_malloc(reply_size);
8470         if (reply == NULL) {
8471                 *resp_len = 1;
8472                 return NULL;
8473         }
8474
8475         os_memcpy(reply, "OK\n", 3);
8476         reply_len = 3;
8477
8478         if (os_strcmp(buf, "PING") == 0) {
8479                 os_memcpy(reply, "PONG\n", 5);
8480                 reply_len = 5;
8481         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
8482                 if (wpa_supplicant_global_iface_add(global, buf + 14))
8483                         reply_len = -1;
8484         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
8485                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
8486                         reply_len = -1;
8487         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8488                 reply_len = wpa_supplicant_global_iface_list(
8489                         global, reply, reply_size);
8490         } else if (os_strcmp(buf, "INTERFACES") == 0) {
8491                 reply_len = wpa_supplicant_global_iface_interfaces(
8492                         global, reply, reply_size);
8493         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8494                 wpa_supplicant_terminate_proc(global);
8495         } else if (os_strcmp(buf, "SUSPEND") == 0) {
8496                 wpas_notify_suspend(global);
8497         } else if (os_strcmp(buf, "RESUME") == 0) {
8498                 wpas_notify_resume(global);
8499         } else if (os_strncmp(buf, "SET ", 4) == 0) {
8500                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
8501 #ifdef CONFIG_P2P
8502                         if (global->p2p_init_wpa_s) {
8503                                 os_free(reply);
8504                                 /* Check if P2P redirection would work for this
8505                                  * command. */
8506                                 return wpa_supplicant_ctrl_iface_process(
8507                                         global->p2p_init_wpa_s,
8508                                         buf, resp_len);
8509                         }
8510 #endif /* CONFIG_P2P */
8511                         reply_len = -1;
8512                 }
8513 #ifndef CONFIG_NO_CONFIG_WRITE
8514         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8515                 if (wpas_global_ctrl_iface_save_config(global))
8516                         reply_len = -1;
8517 #endif /* CONFIG_NO_CONFIG_WRITE */
8518         } else if (os_strcmp(buf, "STATUS") == 0) {
8519                 reply_len = wpas_global_ctrl_iface_status(global, reply,
8520                                                           reply_size);
8521 #ifdef CONFIG_MODULE_TESTS
8522         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
8523                 int wpas_module_tests(void);
8524                 if (wpas_module_tests() < 0)
8525                         reply_len = -1;
8526 #endif /* CONFIG_MODULE_TESTS */
8527         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
8528                 if (wpa_debug_reopen_file() < 0)
8529                         reply_len = -1;
8530         } else {
8531                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8532                 reply_len = 16;
8533         }
8534
8535         if (reply_len < 0) {
8536                 os_memcpy(reply, "FAIL\n", 5);
8537                 reply_len = 5;
8538         }
8539
8540         *resp_len = reply_len;
8541         return reply;
8542 }