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         const u8 *sess_id;
1705         size_t sess_id_len;
1706
1707         if (os_strcmp(params, "-DRIVER") == 0)
1708                 return wpa_drv_status(wpa_s, buf, buflen);
1709         verbose = os_strcmp(params, "-VERBOSE") == 0;
1710         wps = os_strcmp(params, "-WPS") == 0;
1711         pos = buf;
1712         end = buf + buflen;
1713         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1714                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1715                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1716                                   MAC2STR(wpa_s->bssid));
1717                 if (os_snprintf_error(end - pos, ret))
1718                         return pos - buf;
1719                 pos += ret;
1720                 ret = os_snprintf(pos, end - pos, "freq=%u\n",
1721                                   wpa_s->assoc_freq);
1722                 if (os_snprintf_error(end - pos, ret))
1723                         return pos - buf;
1724                 pos += ret;
1725                 if (ssid) {
1726                         u8 *_ssid = ssid->ssid;
1727                         size_t ssid_len = ssid->ssid_len;
1728                         u8 ssid_buf[MAX_SSID_LEN];
1729                         if (ssid_len == 0) {
1730                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1731                                 if (_res < 0)
1732                                         ssid_len = 0;
1733                                 else
1734                                         ssid_len = _res;
1735                                 _ssid = ssid_buf;
1736                         }
1737                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1738                                           wpa_ssid_txt(_ssid, ssid_len),
1739                                           ssid->id);
1740                         if (os_snprintf_error(end - pos, ret))
1741                                 return pos - buf;
1742                         pos += ret;
1743
1744                         if (wps && ssid->passphrase &&
1745                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1746                             (ssid->mode == WPAS_MODE_AP ||
1747                              ssid->mode == WPAS_MODE_P2P_GO)) {
1748                                 ret = os_snprintf(pos, end - pos,
1749                                                   "passphrase=%s\n",
1750                                                   ssid->passphrase);
1751                                 if (os_snprintf_error(end - pos, ret))
1752                                         return pos - buf;
1753                                 pos += ret;
1754                         }
1755                         if (ssid->id_str) {
1756                                 ret = os_snprintf(pos, end - pos,
1757                                                   "id_str=%s\n",
1758                                                   ssid->id_str);
1759                                 if (os_snprintf_error(end - pos, ret))
1760                                         return pos - buf;
1761                                 pos += ret;
1762                         }
1763
1764                         switch (ssid->mode) {
1765                         case WPAS_MODE_INFRA:
1766                                 ret = os_snprintf(pos, end - pos,
1767                                                   "mode=station\n");
1768                                 break;
1769                         case WPAS_MODE_IBSS:
1770                                 ret = os_snprintf(pos, end - pos,
1771                                                   "mode=IBSS\n");
1772                                 break;
1773                         case WPAS_MODE_AP:
1774                                 ret = os_snprintf(pos, end - pos,
1775                                                   "mode=AP\n");
1776                                 break;
1777                         case WPAS_MODE_P2P_GO:
1778                                 ret = os_snprintf(pos, end - pos,
1779                                                   "mode=P2P GO\n");
1780                                 break;
1781                         case WPAS_MODE_P2P_GROUP_FORMATION:
1782                                 ret = os_snprintf(pos, end - pos,
1783                                                   "mode=P2P GO - group "
1784                                                   "formation\n");
1785                                 break;
1786                         default:
1787                                 ret = 0;
1788                                 break;
1789                         }
1790                         if (os_snprintf_error(end - pos, ret))
1791                                 return pos - buf;
1792                         pos += ret;
1793                 }
1794
1795 #ifdef CONFIG_AP
1796                 if (wpa_s->ap_iface) {
1797                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1798                                                             end - pos,
1799                                                             verbose);
1800                 } else
1801 #endif /* CONFIG_AP */
1802                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1803         }
1804 #ifdef CONFIG_SAE
1805         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1806 #ifdef CONFIG_AP
1807             !wpa_s->ap_iface &&
1808 #endif /* CONFIG_AP */
1809             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1810                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1811                                   wpa_s->sme.sae.group);
1812                 if (os_snprintf_error(end - pos, ret))
1813                         return pos - buf;
1814                 pos += ret;
1815         }
1816 #endif /* CONFIG_SAE */
1817         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1818                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1819         if (os_snprintf_error(end - pos, ret))
1820                 return pos - buf;
1821         pos += ret;
1822
1823         if (wpa_s->l2 &&
1824             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1825                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1826                 if (os_snprintf_error(end - pos, ret))
1827                         return pos - buf;
1828                 pos += ret;
1829         }
1830
1831 #ifdef CONFIG_P2P
1832         if (wpa_s->global->p2p) {
1833                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1834                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1835                 if (os_snprintf_error(end - pos, ret))
1836                         return pos - buf;
1837                 pos += ret;
1838         }
1839 #endif /* CONFIG_P2P */
1840
1841         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1842                           MAC2STR(wpa_s->own_addr));
1843         if (os_snprintf_error(end - pos, ret))
1844                 return pos - buf;
1845         pos += ret;
1846
1847 #ifdef CONFIG_HS20
1848         if (wpa_s->current_bss &&
1849             (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1850                                           HS20_IE_VENDOR_TYPE)) &&
1851             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1852             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1853                 int release = 1;
1854                 if (hs20[1] >= 5) {
1855                         u8 rel_num = (hs20[6] & 0xf0) >> 4;
1856                         release = rel_num + 1;
1857                 }
1858                 ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
1859                 if (os_snprintf_error(end - pos, ret))
1860                         return pos - buf;
1861                 pos += ret;
1862         }
1863
1864         if (wpa_s->current_ssid) {
1865                 struct wpa_cred *cred;
1866                 char *type;
1867
1868                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1869                         size_t i;
1870
1871                         if (wpa_s->current_ssid->parent_cred != cred)
1872                                 continue;
1873
1874                         if (cred->provisioning_sp) {
1875                                 ret = os_snprintf(pos, end - pos,
1876                                                   "provisioning_sp=%s\n",
1877                                                   cred->provisioning_sp);
1878                                 if (os_snprintf_error(end - pos, ret))
1879                                         return pos - buf;
1880                                 pos += ret;
1881                         }
1882
1883                         if (!cred->domain)
1884                                 goto no_domain;
1885
1886                         i = 0;
1887                         if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
1888                                 struct wpabuf *names =
1889                                         wpa_s->current_bss->anqp->domain_name;
1890                                 for (i = 0; names && i < cred->num_domain; i++)
1891                                 {
1892                                         if (domain_name_list_contains(
1893                                                     names, cred->domain[i], 1))
1894                                                 break;
1895                                 }
1896                                 if (i == cred->num_domain)
1897                                         i = 0; /* show first entry by default */
1898                         }
1899                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1900                                           cred->domain[i]);
1901                         if (os_snprintf_error(end - pos, ret))
1902                                 return pos - buf;
1903                         pos += ret;
1904
1905                 no_domain:
1906                         if (wpa_s->current_bss == NULL ||
1907                             wpa_s->current_bss->anqp == NULL)
1908                                 res = -1;
1909                         else
1910                                 res = interworking_home_sp_cred(
1911                                         wpa_s, cred,
1912                                         wpa_s->current_bss->anqp->domain_name);
1913                         if (res > 0)
1914                                 type = "home";
1915                         else if (res == 0)
1916                                 type = "roaming";
1917                         else
1918                                 type = "unknown";
1919
1920                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1921                         if (os_snprintf_error(end - pos, ret))
1922                                 return pos - buf;
1923                         pos += ret;
1924
1925                         break;
1926                 }
1927         }
1928 #endif /* CONFIG_HS20 */
1929
1930         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1931             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1932                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1933                                           verbose);
1934                 if (res >= 0)
1935                         pos += res;
1936         }
1937
1938         sess_id = eapol_sm_get_session_id(wpa_s->eapol, &sess_id_len);
1939         if (sess_id) {
1940                 char *start = pos;
1941
1942                 ret = os_snprintf(pos, end - pos, "eap_session_id=");
1943                 if (os_snprintf_error(end - pos, ret))
1944                         return start - buf;
1945                 pos += ret;
1946                 ret = wpa_snprintf_hex(pos, end - pos, sess_id, sess_id_len);
1947                 if (ret <= 0)
1948                         return start - buf;
1949                 pos += ret;
1950                 ret = os_snprintf(pos, end - pos, "\n");
1951                 if (os_snprintf_error(end - pos, ret))
1952                         return start - buf;
1953                 pos += ret;
1954         }
1955
1956         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1957         if (res >= 0)
1958                 pos += res;
1959
1960 #ifdef CONFIG_WPS
1961         {
1962                 char uuid_str[100];
1963                 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
1964                 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
1965                 if (os_snprintf_error(end - pos, ret))
1966                         return pos - buf;
1967                 pos += ret;
1968         }
1969 #endif /* CONFIG_WPS */
1970
1971 #ifdef ANDROID
1972         /*
1973          * Allow using the STATUS command with default behavior, say for debug,
1974          * i.e., don't generate a "fake" CONNECTION and SUPPLICANT_STATE_CHANGE
1975          * events with STATUS-NO_EVENTS.
1976          */
1977         if (os_strcmp(params, "-NO_EVENTS")) {
1978                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
1979                              "id=%d state=%d BSSID=" MACSTR " SSID=%s",
1980                              wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
1981                              wpa_s->wpa_state,
1982                              MAC2STR(wpa_s->bssid),
1983                              wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
1984                              wpa_ssid_txt(wpa_s->current_ssid->ssid,
1985                                           wpa_s->current_ssid->ssid_len) : "");
1986                 if (wpa_s->wpa_state == WPA_COMPLETED) {
1987                         struct wpa_ssid *ssid = wpa_s->current_ssid;
1988                         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
1989                                      "- connection to " MACSTR
1990                                      " completed %s [id=%d id_str=%s]",
1991                                      MAC2STR(wpa_s->bssid), "(auth)",
1992                                      ssid ? ssid->id : -1,
1993                                      ssid && ssid->id_str ? ssid->id_str : "");
1994                 }
1995         }
1996 #endif /* ANDROID */
1997
1998         return pos - buf;
1999 }
2000
2001
2002 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
2003                                            char *cmd)
2004 {
2005         char *pos;
2006         int id;
2007         struct wpa_ssid *ssid;
2008         u8 bssid[ETH_ALEN];
2009
2010         /* cmd: "<network id> <BSSID>" */
2011         pos = os_strchr(cmd, ' ');
2012         if (pos == NULL)
2013                 return -1;
2014         *pos++ = '\0';
2015         id = atoi(cmd);
2016         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
2017         if (hwaddr_aton(pos, bssid)) {
2018                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
2019                 return -1;
2020         }
2021
2022         ssid = wpa_config_get_network(wpa_s->conf, id);
2023         if (ssid == NULL) {
2024                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
2025                            "to update", id);
2026                 return -1;
2027         }
2028
2029         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
2030         ssid->bssid_set = !is_zero_ether_addr(bssid);
2031
2032         return 0;
2033 }
2034
2035
2036 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
2037                                                char *cmd, char *buf,
2038                                                size_t buflen)
2039 {
2040         u8 bssid[ETH_ALEN];
2041         struct wpa_blacklist *e;
2042         char *pos, *end;
2043         int ret;
2044
2045         /* cmd: "BLACKLIST [<BSSID>]" */
2046         if (*cmd == '\0') {
2047                 pos = buf;
2048                 end = buf + buflen;
2049                 e = wpa_s->blacklist;
2050                 while (e) {
2051                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
2052                                           MAC2STR(e->bssid));
2053                         if (os_snprintf_error(end - pos, ret))
2054                                 return pos - buf;
2055                         pos += ret;
2056                         e = e->next;
2057                 }
2058                 return pos - buf;
2059         }
2060
2061         cmd++;
2062         if (os_strncmp(cmd, "clear", 5) == 0) {
2063                 wpa_blacklist_clear(wpa_s);
2064                 os_memcpy(buf, "OK\n", 3);
2065                 return 3;
2066         }
2067
2068         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
2069         if (hwaddr_aton(cmd, bssid)) {
2070                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
2071                 return -1;
2072         }
2073
2074         /*
2075          * Add the BSSID twice, so its count will be 2, causing it to be
2076          * skipped when processing scan results.
2077          */
2078         ret = wpa_blacklist_add(wpa_s, bssid);
2079         if (ret < 0)
2080                 return -1;
2081         ret = wpa_blacklist_add(wpa_s, bssid);
2082         if (ret < 0)
2083                 return -1;
2084         os_memcpy(buf, "OK\n", 3);
2085         return 3;
2086 }
2087
2088
2089 static const char * debug_level_str(int level)
2090 {
2091         switch (level) {
2092         case MSG_EXCESSIVE:
2093                 return "EXCESSIVE";
2094         case MSG_MSGDUMP:
2095                 return "MSGDUMP";
2096         case MSG_DEBUG:
2097                 return "DEBUG";
2098         case MSG_INFO:
2099                 return "INFO";
2100         case MSG_WARNING:
2101                 return "WARNING";
2102         case MSG_ERROR:
2103                 return "ERROR";
2104         default:
2105                 return "?";
2106         }
2107 }
2108
2109
2110 static int str_to_debug_level(const char *s)
2111 {
2112         if (os_strcasecmp(s, "EXCESSIVE") == 0)
2113                 return MSG_EXCESSIVE;
2114         if (os_strcasecmp(s, "MSGDUMP") == 0)
2115                 return MSG_MSGDUMP;
2116         if (os_strcasecmp(s, "DEBUG") == 0)
2117                 return MSG_DEBUG;
2118         if (os_strcasecmp(s, "INFO") == 0)
2119                 return MSG_INFO;
2120         if (os_strcasecmp(s, "WARNING") == 0)
2121                 return MSG_WARNING;
2122         if (os_strcasecmp(s, "ERROR") == 0)
2123                 return MSG_ERROR;
2124         return -1;
2125 }
2126
2127
2128 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
2129                                                char *cmd, char *buf,
2130                                                size_t buflen)
2131 {
2132         char *pos, *end, *stamp;
2133         int ret;
2134
2135         /* cmd: "LOG_LEVEL [<level>]" */
2136         if (*cmd == '\0') {
2137                 pos = buf;
2138                 end = buf + buflen;
2139                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
2140                                   "Timestamp: %d\n",
2141                                   debug_level_str(wpa_debug_level),
2142                                   wpa_debug_timestamp);
2143                 if (os_snprintf_error(end - pos, ret))
2144                         ret = 0;
2145
2146                 return ret;
2147         }
2148
2149         while (*cmd == ' ')
2150                 cmd++;
2151
2152         stamp = os_strchr(cmd, ' ');
2153         if (stamp) {
2154                 *stamp++ = '\0';
2155                 while (*stamp == ' ') {
2156                         stamp++;
2157                 }
2158         }
2159
2160         if (cmd && os_strlen(cmd)) {
2161                 int level = str_to_debug_level(cmd);
2162                 if (level < 0)
2163                         return -1;
2164                 wpa_debug_level = level;
2165         }
2166
2167         if (stamp && os_strlen(stamp))
2168                 wpa_debug_timestamp = atoi(stamp);
2169
2170         os_memcpy(buf, "OK\n", 3);
2171         return 3;
2172 }
2173
2174
2175 static int wpa_supplicant_ctrl_iface_list_networks(
2176         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2177 {
2178         char *pos, *end, *prev;
2179         struct wpa_ssid *ssid;
2180         int ret;
2181
2182         pos = buf;
2183         end = buf + buflen;
2184         ret = os_snprintf(pos, end - pos,
2185                           "network id / ssid / bssid / flags\n");
2186         if (os_snprintf_error(end - pos, ret))
2187                 return pos - buf;
2188         pos += ret;
2189
2190         ssid = wpa_s->conf->ssid;
2191
2192         /* skip over ssids until we find next one */
2193         if (cmd != NULL && os_strncmp(cmd, "LAST_ID=", 8) == 0) {
2194                 int last_id = atoi(cmd + 8);
2195                 if (last_id != -1) {
2196                         while (ssid != NULL && ssid->id <= last_id) {
2197                                 ssid = ssid->next;
2198                         }
2199                 }
2200         }
2201
2202         while (ssid) {
2203                 prev = pos;
2204                 ret = os_snprintf(pos, end - pos, "%d\t%s",
2205                                   ssid->id,
2206                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2207                 if (os_snprintf_error(end - pos, ret))
2208                         return prev - buf;
2209                 pos += ret;
2210                 if (ssid->bssid_set) {
2211                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2212                                           MAC2STR(ssid->bssid));
2213                 } else {
2214                         ret = os_snprintf(pos, end - pos, "\tany");
2215                 }
2216                 if (os_snprintf_error(end - pos, ret))
2217                         return prev - buf;
2218                 pos += ret;
2219                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2220                                   ssid == wpa_s->current_ssid ?
2221                                   "[CURRENT]" : "",
2222                                   ssid->disabled ? "[DISABLED]" : "",
2223                                   ssid->disabled_until.sec ?
2224                                   "[TEMP-DISABLED]" : "",
2225                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2226                                   "");
2227                 if (os_snprintf_error(end - pos, ret))
2228                         return prev - buf;
2229                 pos += ret;
2230                 ret = os_snprintf(pos, end - pos, "\n");
2231                 if (os_snprintf_error(end - pos, ret))
2232                         return prev - buf;
2233                 pos += ret;
2234
2235                 ssid = ssid->next;
2236         }
2237
2238         return pos - buf;
2239 }
2240
2241
2242 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2243 {
2244         int ret;
2245         ret = os_snprintf(pos, end - pos, "-");
2246         if (os_snprintf_error(end - pos, ret))
2247                 return pos;
2248         pos += ret;
2249         ret = wpa_write_ciphers(pos, end, cipher, "+");
2250         if (ret < 0)
2251                 return pos;
2252         pos += ret;
2253         return pos;
2254 }
2255
2256
2257 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2258                                     const u8 *ie, size_t ie_len)
2259 {
2260         struct wpa_ie_data data;
2261         char *start;
2262         int ret;
2263
2264         ret = os_snprintf(pos, end - pos, "[%s-", proto);
2265         if (os_snprintf_error(end - pos, ret))
2266                 return pos;
2267         pos += ret;
2268
2269         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2270                 ret = os_snprintf(pos, end - pos, "?]");
2271                 if (os_snprintf_error(end - pos, ret))
2272                         return pos;
2273                 pos += ret;
2274                 return pos;
2275         }
2276
2277         start = pos;
2278         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2279                 ret = os_snprintf(pos, end - pos, "%sEAP",
2280                                   pos == start ? "" : "+");
2281                 if (os_snprintf_error(end - pos, ret))
2282                         return pos;
2283                 pos += ret;
2284         }
2285         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2286                 ret = os_snprintf(pos, end - pos, "%sPSK",
2287                                   pos == start ? "" : "+");
2288                 if (os_snprintf_error(end - pos, ret))
2289                         return pos;
2290                 pos += ret;
2291         }
2292         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2293                 ret = os_snprintf(pos, end - pos, "%sNone",
2294                                   pos == start ? "" : "+");
2295                 if (os_snprintf_error(end - pos, ret))
2296                         return pos;
2297                 pos += ret;
2298         }
2299         if (data.key_mgmt & WPA_KEY_MGMT_SAE) {
2300                 ret = os_snprintf(pos, end - pos, "%sSAE",
2301                                   pos == start ? "" : "+");
2302                 if (os_snprintf_error(end - pos, ret))
2303                         return pos;
2304                 pos += ret;
2305         }
2306 #ifdef CONFIG_IEEE80211R
2307         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2308                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2309                                   pos == start ? "" : "+");
2310                 if (os_snprintf_error(end - pos, ret))
2311                         return pos;
2312                 pos += ret;
2313         }
2314         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2315                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2316                                   pos == start ? "" : "+");
2317                 if (os_snprintf_error(end - pos, ret))
2318                         return pos;
2319                 pos += ret;
2320         }
2321         if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) {
2322                 ret = os_snprintf(pos, end - pos, "%sFT/SAE",
2323                                   pos == start ? "" : "+");
2324                 if (os_snprintf_error(end - pos, ret))
2325                         return pos;
2326                 pos += ret;
2327         }
2328 #endif /* CONFIG_IEEE80211R */
2329 #ifdef CONFIG_IEEE80211W
2330         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2331                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2332                                   pos == start ? "" : "+");
2333                 if (os_snprintf_error(end - pos, ret))
2334                         return pos;
2335                 pos += ret;
2336         }
2337         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2338                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2339                                   pos == start ? "" : "+");
2340                 if (os_snprintf_error(end - pos, ret))
2341                         return pos;
2342                 pos += ret;
2343         }
2344 #endif /* CONFIG_IEEE80211W */
2345
2346 #ifdef CONFIG_SUITEB
2347         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
2348                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B",
2349                                   pos == start ? "" : "+");
2350                 if (os_snprintf_error(end - pos, ret))
2351                         return pos;
2352                 pos += ret;
2353         }
2354 #endif /* CONFIG_SUITEB */
2355
2356 #ifdef CONFIG_SUITEB192
2357         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
2358                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B-192",
2359                                   pos == start ? "" : "+");
2360                 if (os_snprintf_error(end - pos, ret))
2361                         return pos;
2362                 pos += ret;
2363         }
2364 #endif /* CONFIG_SUITEB192 */
2365
2366         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2367
2368         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2369                 ret = os_snprintf(pos, end - pos, "-preauth");
2370                 if (os_snprintf_error(end - pos, ret))
2371                         return pos;
2372                 pos += ret;
2373         }
2374
2375         ret = os_snprintf(pos, end - pos, "]");
2376         if (os_snprintf_error(end - pos, ret))
2377                 return pos;
2378         pos += ret;
2379
2380         return pos;
2381 }
2382
2383
2384 #ifdef CONFIG_WPS
2385 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2386                                             char *pos, char *end,
2387                                             struct wpabuf *wps_ie)
2388 {
2389         int ret;
2390         const char *txt;
2391
2392         if (wps_ie == NULL)
2393                 return pos;
2394         if (wps_is_selected_pbc_registrar(wps_ie))
2395                 txt = "[WPS-PBC]";
2396         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2397                 txt = "[WPS-AUTH]";
2398         else if (wps_is_selected_pin_registrar(wps_ie))
2399                 txt = "[WPS-PIN]";
2400         else
2401                 txt = "[WPS]";
2402
2403         ret = os_snprintf(pos, end - pos, "%s", txt);
2404         if (!os_snprintf_error(end - pos, ret))
2405                 pos += ret;
2406         wpabuf_free(wps_ie);
2407         return pos;
2408 }
2409 #endif /* CONFIG_WPS */
2410
2411
2412 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2413                                         char *pos, char *end,
2414                                         const struct wpa_bss *bss)
2415 {
2416 #ifdef CONFIG_WPS
2417         struct wpabuf *wps_ie;
2418         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2419         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2420 #else /* CONFIG_WPS */
2421         return pos;
2422 #endif /* CONFIG_WPS */
2423 }
2424
2425
2426 /* Format one result on one text line into a buffer. */
2427 static int wpa_supplicant_ctrl_iface_scan_result(
2428         struct wpa_supplicant *wpa_s,
2429         const struct wpa_bss *bss, char *buf, size_t buflen)
2430 {
2431         char *pos, *end;
2432         int ret;
2433         const u8 *ie, *ie2, *p2p, *mesh;
2434
2435         mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
2436         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2437         if (!p2p)
2438                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2439         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2440             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2441             0)
2442                 return 0; /* Do not show P2P listen discovery results here */
2443
2444         pos = buf;
2445         end = buf + buflen;
2446
2447         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2448                           MAC2STR(bss->bssid), bss->freq, bss->level);
2449         if (os_snprintf_error(end - pos, ret))
2450                 return -1;
2451         pos += ret;
2452         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2453         if (ie)
2454                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2455         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2456         if (ie2) {
2457                 pos = wpa_supplicant_ie_txt(pos, end, mesh ? "RSN" : "WPA2",
2458                                             ie2, 2 + ie2[1]);
2459         }
2460         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2461         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2462                 ret = os_snprintf(pos, end - pos, "[WEP]");
2463                 if (os_snprintf_error(end - pos, ret))
2464                         return -1;
2465                 pos += ret;
2466         }
2467         if (mesh) {
2468                 ret = os_snprintf(pos, end - pos, "[MESH]");
2469                 if (os_snprintf_error(end - pos, ret))
2470                         return -1;
2471                 pos += ret;
2472         }
2473         if (bss_is_dmg(bss)) {
2474                 const char *s;
2475                 ret = os_snprintf(pos, end - pos, "[DMG]");
2476                 if (os_snprintf_error(end - pos, ret))
2477                         return -1;
2478                 pos += ret;
2479                 switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
2480                 case IEEE80211_CAP_DMG_IBSS:
2481                         s = "[IBSS]";
2482                         break;
2483                 case IEEE80211_CAP_DMG_AP:
2484                         s = "[ESS]";
2485                         break;
2486                 case IEEE80211_CAP_DMG_PBSS:
2487                         s = "[PBSS]";
2488                         break;
2489                 default:
2490                         s = "";
2491                         break;
2492                 }
2493                 ret = os_snprintf(pos, end - pos, "%s", s);
2494                 if (os_snprintf_error(end - pos, ret))
2495                         return -1;
2496                 pos += ret;
2497         } else {
2498                 if (bss->caps & IEEE80211_CAP_IBSS) {
2499                         ret = os_snprintf(pos, end - pos, "[IBSS]");
2500                         if (os_snprintf_error(end - pos, ret))
2501                                 return -1;
2502                         pos += ret;
2503                 }
2504                 if (bss->caps & IEEE80211_CAP_ESS) {
2505                         ret = os_snprintf(pos, end - pos, "[ESS]");
2506                         if (os_snprintf_error(end - pos, ret))
2507                                 return -1;
2508                         pos += ret;
2509                 }
2510         }
2511         if (p2p) {
2512                 ret = os_snprintf(pos, end - pos, "[P2P]");
2513                 if (os_snprintf_error(end - pos, ret))
2514                         return -1;
2515                 pos += ret;
2516         }
2517 #ifdef CONFIG_HS20
2518         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2519                 ret = os_snprintf(pos, end - pos, "[HS20]");
2520                 if (os_snprintf_error(end - pos, ret))
2521                         return -1;
2522                 pos += ret;
2523         }
2524 #endif /* CONFIG_HS20 */
2525
2526         ret = os_snprintf(pos, end - pos, "\t%s",
2527                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2528         if (os_snprintf_error(end - pos, ret))
2529                 return -1;
2530         pos += ret;
2531
2532         ret = os_snprintf(pos, end - pos, "\n");
2533         if (os_snprintf_error(end - pos, ret))
2534                 return -1;
2535         pos += ret;
2536
2537         return pos - buf;
2538 }
2539
2540
2541 static int wpa_supplicant_ctrl_iface_scan_results(
2542         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2543 {
2544         char *pos, *end;
2545         struct wpa_bss *bss;
2546         int ret;
2547
2548         pos = buf;
2549         end = buf + buflen;
2550         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2551                           "flags / ssid\n");
2552         if (os_snprintf_error(end - pos, ret))
2553                 return pos - buf;
2554         pos += ret;
2555
2556         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2557                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2558                                                             end - pos);
2559                 if (ret < 0 || ret >= end - pos)
2560                         return pos - buf;
2561                 pos += ret;
2562         }
2563
2564         return pos - buf;
2565 }
2566
2567
2568 #ifdef CONFIG_MESH
2569
2570 static int wpa_supplicant_ctrl_iface_mesh_interface_add(
2571         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
2572 {
2573         char *pos, ifname[IFNAMSIZ + 1];
2574
2575         ifname[0] = '\0';
2576
2577         pos = os_strstr(cmd, "ifname=");
2578         if (pos) {
2579                 pos += 7;
2580                 os_strlcpy(ifname, pos, sizeof(ifname));
2581         }
2582
2583         if (wpas_mesh_add_interface(wpa_s, ifname, sizeof(ifname)) < 0)
2584                 return -1;
2585
2586         os_strlcpy(reply, ifname, max_len);
2587         return os_strlen(ifname);
2588 }
2589
2590
2591 static int wpa_supplicant_ctrl_iface_mesh_group_add(
2592         struct wpa_supplicant *wpa_s, char *cmd)
2593 {
2594         int id;
2595         struct wpa_ssid *ssid;
2596
2597         id = atoi(cmd);
2598         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_ADD id=%d", id);
2599
2600         ssid = wpa_config_get_network(wpa_s->conf, id);
2601         if (ssid == NULL) {
2602                 wpa_printf(MSG_DEBUG,
2603                            "CTRL_IFACE: Could not find network id=%d", id);
2604                 return -1;
2605         }
2606         if (ssid->mode != WPAS_MODE_MESH) {
2607                 wpa_printf(MSG_DEBUG,
2608                            "CTRL_IFACE: Cannot use MESH_GROUP_ADD on a non mesh network");
2609                 return -1;
2610         }
2611         if (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
2612             ssid->key_mgmt != WPA_KEY_MGMT_SAE) {
2613                 wpa_printf(MSG_ERROR,
2614                            "CTRL_IFACE: key_mgmt for mesh network should be open or SAE");
2615                 return -1;
2616         }
2617
2618         /*
2619          * TODO: If necessary write our own group_add function,
2620          * for now we can reuse select_network
2621          */
2622         wpa_supplicant_select_network(wpa_s, ssid);
2623
2624         return 0;
2625 }
2626
2627
2628 static int wpa_supplicant_ctrl_iface_mesh_group_remove(
2629         struct wpa_supplicant *wpa_s, char *cmd)
2630 {
2631         struct wpa_supplicant *orig;
2632         struct wpa_global *global;
2633         int found = 0;
2634
2635         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s", cmd);
2636
2637         global = wpa_s->global;
2638         orig = wpa_s;
2639
2640         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2641                 if (os_strcmp(wpa_s->ifname, cmd) == 0) {
2642                         found = 1;
2643                         break;
2644                 }
2645         }
2646         if (!found) {
2647                 wpa_printf(MSG_ERROR,
2648                            "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s not found",
2649                            cmd);
2650                 return -1;
2651         }
2652         if (wpa_s->mesh_if_created && wpa_s == orig) {
2653                 wpa_printf(MSG_ERROR,
2654                            "CTRL_IFACE: MESH_GROUP_REMOVE can't remove itself");
2655                 return -1;
2656         }
2657
2658         wpa_s->reassociate = 0;
2659         wpa_s->disconnected = 1;
2660         wpa_supplicant_cancel_sched_scan(wpa_s);
2661         wpa_supplicant_cancel_scan(wpa_s);
2662
2663         /*
2664          * TODO: If necessary write our own group_remove function,
2665          * for now we can reuse deauthenticate
2666          */
2667         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2668
2669         if (wpa_s->mesh_if_created)
2670                 wpa_supplicant_remove_iface(global, wpa_s, 0);
2671
2672         return 0;
2673 }
2674
2675 #endif /* CONFIG_MESH */
2676
2677
2678 static int wpa_supplicant_ctrl_iface_select_network(
2679         struct wpa_supplicant *wpa_s, char *cmd)
2680 {
2681         int id;
2682         struct wpa_ssid *ssid;
2683         char *pos;
2684
2685         /* cmd: "<network id>" or "any" */
2686         if (os_strncmp(cmd, "any", 3) == 0) {
2687                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2688                 ssid = NULL;
2689         } else {
2690                 id = atoi(cmd);
2691                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2692
2693                 ssid = wpa_config_get_network(wpa_s->conf, id);
2694                 if (ssid == NULL) {
2695                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2696                                    "network id=%d", id);
2697                         return -1;
2698                 }
2699                 if (ssid->disabled == 2) {
2700                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2701                                    "SELECT_NETWORK with persistent P2P group");
2702                         return -1;
2703                 }
2704         }
2705
2706         pos = os_strstr(cmd, " freq=");
2707         if (pos) {
2708                 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2709                 if (freqs) {
2710                         wpa_s->scan_req = MANUAL_SCAN_REQ;
2711                         os_free(wpa_s->manual_scan_freqs);
2712                         wpa_s->manual_scan_freqs = freqs;
2713                 }
2714         }
2715
2716         wpa_supplicant_select_network(wpa_s, ssid);
2717
2718         return 0;
2719 }
2720
2721
2722 static int wpa_supplicant_ctrl_iface_enable_network(
2723         struct wpa_supplicant *wpa_s, char *cmd)
2724 {
2725         int id;
2726         struct wpa_ssid *ssid;
2727
2728         /* cmd: "<network id>" or "all" */
2729         if (os_strcmp(cmd, "all") == 0) {
2730                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2731                 ssid = NULL;
2732         } else {
2733                 id = atoi(cmd);
2734                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2735
2736                 ssid = wpa_config_get_network(wpa_s->conf, id);
2737                 if (ssid == NULL) {
2738                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2739                                    "network id=%d", id);
2740                         return -1;
2741                 }
2742                 if (ssid->disabled == 2) {
2743                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2744                                    "ENABLE_NETWORK with persistent P2P group");
2745                         return -1;
2746                 }
2747
2748                 if (os_strstr(cmd, " no-connect")) {
2749                         ssid->disabled = 0;
2750                         return 0;
2751                 }
2752         }
2753         wpa_supplicant_enable_network(wpa_s, ssid);
2754
2755         return 0;
2756 }
2757
2758
2759 static int wpa_supplicant_ctrl_iface_disable_network(
2760         struct wpa_supplicant *wpa_s, char *cmd)
2761 {
2762         int id;
2763         struct wpa_ssid *ssid;
2764
2765         /* cmd: "<network id>" or "all" */
2766         if (os_strcmp(cmd, "all") == 0) {
2767                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2768                 ssid = NULL;
2769         } else {
2770                 id = atoi(cmd);
2771                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2772
2773                 ssid = wpa_config_get_network(wpa_s->conf, id);
2774                 if (ssid == NULL) {
2775                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2776                                    "network id=%d", id);
2777                         return -1;
2778                 }
2779                 if (ssid->disabled == 2) {
2780                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2781                                    "DISABLE_NETWORK with persistent P2P "
2782                                    "group");
2783                         return -1;
2784                 }
2785         }
2786         wpa_supplicant_disable_network(wpa_s, ssid);
2787
2788         return 0;
2789 }
2790
2791
2792 static int wpa_supplicant_ctrl_iface_add_network(
2793         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2794 {
2795         struct wpa_ssid *ssid;
2796         int ret;
2797
2798         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2799
2800         ssid = wpa_config_add_network(wpa_s->conf);
2801         if (ssid == NULL)
2802                 return -1;
2803
2804         wpas_notify_network_added(wpa_s, ssid);
2805
2806         ssid->disabled = 1;
2807         wpa_config_set_network_defaults(ssid);
2808
2809         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2810         if (os_snprintf_error(buflen, ret))
2811                 return -1;
2812         return ret;
2813 }
2814
2815
2816 static int wpa_supplicant_ctrl_iface_remove_network(
2817         struct wpa_supplicant *wpa_s, char *cmd)
2818 {
2819         int id;
2820         struct wpa_ssid *ssid;
2821         int was_disabled;
2822
2823         /* cmd: "<network id>" or "all" */
2824         if (os_strcmp(cmd, "all") == 0) {
2825                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2826                 if (wpa_s->sched_scanning)
2827                         wpa_supplicant_cancel_sched_scan(wpa_s);
2828
2829                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2830                 if (wpa_s->current_ssid) {
2831 #ifdef CONFIG_SME
2832                         wpa_s->sme.prev_bssid_set = 0;
2833 #endif /* CONFIG_SME */
2834                         wpa_sm_set_config(wpa_s->wpa, NULL);
2835                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2836                         wpa_supplicant_deauthenticate(
2837                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2838                 }
2839                 ssid = wpa_s->conf->ssid;
2840                 while (ssid) {
2841                         struct wpa_ssid *remove_ssid = ssid;
2842                         id = ssid->id;
2843                         ssid = ssid->next;
2844                         if (wpa_s->last_ssid == remove_ssid)
2845                                 wpa_s->last_ssid = NULL;
2846                         wpas_notify_network_removed(wpa_s, remove_ssid);
2847                         wpa_config_remove_network(wpa_s->conf, id);
2848                 }
2849                 return 0;
2850         }
2851
2852         id = atoi(cmd);
2853         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2854
2855         ssid = wpa_config_get_network(wpa_s->conf, id);
2856         if (ssid)
2857                 wpas_notify_network_removed(wpa_s, ssid);
2858         if (ssid == NULL) {
2859                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2860                            "id=%d", id);
2861                 return -1;
2862         }
2863
2864         if (wpa_s->last_ssid == ssid)
2865                 wpa_s->last_ssid = NULL;
2866
2867         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2868 #ifdef CONFIG_SME
2869                 wpa_s->sme.prev_bssid_set = 0;
2870 #endif /* CONFIG_SME */
2871                 /*
2872                  * Invalidate the EAP session cache if the current or
2873                  * previously used network is removed.
2874                  */
2875                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2876         }
2877
2878         if (ssid == wpa_s->current_ssid) {
2879                 wpa_sm_set_config(wpa_s->wpa, NULL);
2880                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2881
2882                 wpa_supplicant_deauthenticate(wpa_s,
2883                                               WLAN_REASON_DEAUTH_LEAVING);
2884         }
2885
2886         was_disabled = ssid->disabled;
2887
2888         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2889                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2890                            "network id=%d", id);
2891                 return -1;
2892         }
2893
2894         if (!was_disabled && wpa_s->sched_scanning) {
2895                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2896                            "network from filters");
2897                 wpa_supplicant_cancel_sched_scan(wpa_s);
2898                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2899         }
2900
2901         return 0;
2902 }
2903
2904
2905 static int wpa_supplicant_ctrl_iface_update_network(
2906         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
2907         char *name, char *value)
2908 {
2909         if (wpa_config_set(ssid, name, value, 0) < 0) {
2910                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2911                            "variable '%s'", name);
2912                 return -1;
2913         }
2914
2915         if (os_strcmp(name, "bssid") != 0 &&
2916             os_strcmp(name, "priority") != 0)
2917                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2918
2919         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2920                 /*
2921                  * Invalidate the EAP session cache if anything in the current
2922                  * or previously used configuration changes.
2923                  */
2924                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2925         }
2926
2927         if ((os_strcmp(name, "psk") == 0 &&
2928              value[0] == '"' && ssid->ssid_len) ||
2929             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2930                 wpa_config_update_psk(ssid);
2931         else if (os_strcmp(name, "priority") == 0)
2932                 wpa_config_update_prio_list(wpa_s->conf);
2933         else if (os_strcmp(name, "no_auto_peer") == 0)
2934                 ssid->no_auto_peer = atoi(value);
2935
2936         return 0;
2937 }
2938
2939
2940 static int wpa_supplicant_ctrl_iface_set_network(
2941         struct wpa_supplicant *wpa_s, char *cmd)
2942 {
2943         int id, ret, prev_bssid_set;
2944         struct wpa_ssid *ssid;
2945         char *name, *value;
2946         u8 prev_bssid[ETH_ALEN];
2947
2948         /* cmd: "<network id> <variable name> <value>" */
2949         name = os_strchr(cmd, ' ');
2950         if (name == NULL)
2951                 return -1;
2952         *name++ = '\0';
2953
2954         value = os_strchr(name, ' ');
2955         if (value == NULL)
2956                 return -1;
2957         *value++ = '\0';
2958
2959         id = atoi(cmd);
2960         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2961                    id, name);
2962         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2963                               (u8 *) value, os_strlen(value));
2964
2965         ssid = wpa_config_get_network(wpa_s->conf, id);
2966         if (ssid == NULL) {
2967                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2968                            "id=%d", id);
2969                 return -1;
2970         }
2971
2972         prev_bssid_set = ssid->bssid_set;
2973         os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
2974         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
2975                                                        value);
2976         if (ret == 0 &&
2977             (ssid->bssid_set != prev_bssid_set ||
2978              os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
2979                 wpas_notify_network_bssid_set_changed(wpa_s, ssid);
2980         return ret;
2981 }
2982
2983
2984 static int wpa_supplicant_ctrl_iface_get_network(
2985         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2986 {
2987         int id;
2988         size_t res;
2989         struct wpa_ssid *ssid;
2990         char *name, *value;
2991
2992         /* cmd: "<network id> <variable name>" */
2993         name = os_strchr(cmd, ' ');
2994         if (name == NULL || buflen == 0)
2995                 return -1;
2996         *name++ = '\0';
2997
2998         id = atoi(cmd);
2999         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
3000                    id, name);
3001
3002         ssid = wpa_config_get_network(wpa_s->conf, id);
3003         if (ssid == NULL) {
3004                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3005                            "id=%d", id);
3006                 return -1;
3007         }
3008
3009         value = wpa_config_get_no_key(ssid, name);
3010         if (value == NULL) {
3011                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3012                            "variable '%s'", name);
3013                 return -1;
3014         }
3015
3016         res = os_strlcpy(buf, value, buflen);
3017         if (res >= buflen) {
3018                 os_free(value);
3019                 return -1;
3020         }
3021
3022         os_free(value);
3023
3024         return res;
3025 }
3026
3027
3028 static int wpa_supplicant_ctrl_iface_dup_network(
3029         struct wpa_supplicant *wpa_s, char *cmd)
3030 {
3031         struct wpa_ssid *ssid_s, *ssid_d;
3032         char *name, *id, *value;
3033         int id_s, id_d, ret;
3034
3035         /* cmd: "<src network id> <dst network id> <variable name>" */
3036         id = os_strchr(cmd, ' ');
3037         if (id == NULL)
3038                 return -1;
3039         *id++ = '\0';
3040
3041         name = os_strchr(id, ' ');
3042         if (name == NULL)
3043                 return -1;
3044         *name++ = '\0';
3045
3046         id_s = atoi(cmd);
3047         id_d = atoi(id);
3048         wpa_printf(MSG_DEBUG, "CTRL_IFACE: DUP_NETWORK id=%d -> %d name='%s'",
3049                    id_s, id_d, name);
3050
3051         ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
3052         if (ssid_s == NULL) {
3053                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3054                            "network id=%d", id_s);
3055                 return -1;
3056         }
3057
3058         ssid_d = wpa_config_get_network(wpa_s->conf, id_d);
3059         if (ssid_d == NULL) {
3060                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3061                            "network id=%d", id_d);
3062                 return -1;
3063         }
3064
3065         value = wpa_config_get(ssid_s, name);
3066         if (value == NULL) {
3067                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3068                            "variable '%s'", name);
3069                 return -1;
3070         }
3071
3072         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid_d, name,
3073                                                        value);
3074
3075         os_free(value);
3076
3077         return ret;
3078 }
3079
3080
3081 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
3082                                                 char *buf, size_t buflen)
3083 {
3084         char *pos, *end;
3085         struct wpa_cred *cred;
3086         int ret;
3087
3088         pos = buf;
3089         end = buf + buflen;
3090         ret = os_snprintf(pos, end - pos,
3091                           "cred id / realm / username / domain / imsi\n");
3092         if (os_snprintf_error(end - pos, ret))
3093                 return pos - buf;
3094         pos += ret;
3095
3096         cred = wpa_s->conf->cred;
3097         while (cred) {
3098                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
3099                                   cred->id, cred->realm ? cred->realm : "",
3100                                   cred->username ? cred->username : "",
3101                                   cred->domain ? cred->domain[0] : "",
3102                                   cred->imsi ? cred->imsi : "");
3103                 if (os_snprintf_error(end - pos, ret))
3104                         return pos - buf;
3105                 pos += ret;
3106
3107                 cred = cred->next;
3108         }
3109
3110         return pos - buf;
3111 }
3112
3113
3114 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
3115                                               char *buf, size_t buflen)
3116 {
3117         struct wpa_cred *cred;
3118         int ret;
3119
3120         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
3121
3122         cred = wpa_config_add_cred(wpa_s->conf);
3123         if (cred == NULL)
3124                 return -1;
3125
3126         wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
3127
3128         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
3129         if (os_snprintf_error(buflen, ret))
3130                 return -1;
3131         return ret;
3132 }
3133
3134
3135 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
3136                                  struct wpa_cred *cred)
3137 {
3138         struct wpa_ssid *ssid;
3139         char str[20];
3140         int id;
3141
3142         if (cred == NULL) {
3143                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3144                 return -1;
3145         }
3146
3147         id = cred->id;
3148         if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
3149                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3150                 return -1;
3151         }
3152
3153         wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
3154
3155         /* Remove any network entry created based on the removed credential */
3156         ssid = wpa_s->conf->ssid;
3157         while (ssid) {
3158                 if (ssid->parent_cred == cred) {
3159                         int res;
3160
3161                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
3162                                    "used the removed credential", ssid->id);
3163                         res = os_snprintf(str, sizeof(str), "%d", ssid->id);
3164                         if (os_snprintf_error(sizeof(str), res))
3165                                 str[sizeof(str) - 1] = '\0';
3166                         ssid = ssid->next;
3167                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
3168                 } else
3169                         ssid = ssid->next;
3170         }
3171
3172         return 0;
3173 }
3174
3175
3176 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
3177                                                  char *cmd)
3178 {
3179         int id;
3180         struct wpa_cred *cred, *prev;
3181
3182         /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
3183          * "provisioning_sp=<FQDN> */
3184         if (os_strcmp(cmd, "all") == 0) {
3185                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
3186                 cred = wpa_s->conf->cred;
3187                 while (cred) {
3188                         prev = cred;
3189                         cred = cred->next;
3190                         wpas_ctrl_remove_cred(wpa_s, prev);
3191                 }
3192                 return 0;
3193         }
3194
3195         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
3196                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
3197                            cmd + 8);
3198                 cred = wpa_s->conf->cred;
3199                 while (cred) {
3200                         prev = cred;
3201                         cred = cred->next;
3202                         if (prev->domain) {
3203                                 size_t i;
3204                                 for (i = 0; i < prev->num_domain; i++) {
3205                                         if (os_strcmp(prev->domain[i], cmd + 8)
3206                                             != 0)
3207                                                 continue;
3208                                         wpas_ctrl_remove_cred(wpa_s, prev);
3209                                         break;
3210                                 }
3211                         }
3212                 }
3213                 return 0;
3214         }
3215
3216         if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
3217                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
3218                            cmd + 16);
3219                 cred = wpa_s->conf->cred;
3220                 while (cred) {
3221                         prev = cred;
3222                         cred = cred->next;
3223                         if (prev->provisioning_sp &&
3224                             os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
3225                                 wpas_ctrl_remove_cred(wpa_s, prev);
3226                 }
3227                 return 0;
3228         }
3229
3230         id = atoi(cmd);
3231         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
3232
3233         cred = wpa_config_get_cred(wpa_s->conf, id);
3234         return wpas_ctrl_remove_cred(wpa_s, cred);
3235 }
3236
3237
3238 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
3239                                               char *cmd)
3240 {
3241         int id;
3242         struct wpa_cred *cred;
3243         char *name, *value;
3244
3245         /* cmd: "<cred id> <variable name> <value>" */
3246         name = os_strchr(cmd, ' ');
3247         if (name == NULL)
3248                 return -1;
3249         *name++ = '\0';
3250
3251         value = os_strchr(name, ' ');
3252         if (value == NULL)
3253                 return -1;
3254         *value++ = '\0';
3255
3256         id = atoi(cmd);
3257         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
3258                    id, name);
3259         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3260                               (u8 *) value, os_strlen(value));
3261
3262         cred = wpa_config_get_cred(wpa_s->conf, id);
3263         if (cred == NULL) {
3264                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3265                            id);
3266                 return -1;
3267         }
3268
3269         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
3270                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
3271                            "variable '%s'", name);
3272                 return -1;
3273         }
3274
3275         wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
3276
3277         return 0;
3278 }
3279
3280
3281 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
3282                                               char *cmd, char *buf,
3283                                               size_t buflen)
3284 {
3285         int id;
3286         size_t res;
3287         struct wpa_cred *cred;
3288         char *name, *value;
3289
3290         /* cmd: "<cred id> <variable name>" */
3291         name = os_strchr(cmd, ' ');
3292         if (name == NULL)
3293                 return -1;
3294         *name++ = '\0';
3295
3296         id = atoi(cmd);
3297         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
3298                    id, name);
3299
3300         cred = wpa_config_get_cred(wpa_s->conf, id);
3301         if (cred == NULL) {
3302                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3303                            id);
3304                 return -1;
3305         }
3306
3307         value = wpa_config_get_cred_no_key(cred, name);
3308         if (value == NULL) {
3309                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
3310                            name);
3311                 return -1;
3312         }
3313
3314         res = os_strlcpy(buf, value, buflen);
3315         if (res >= buflen) {
3316                 os_free(value);
3317                 return -1;
3318         }
3319
3320         os_free(value);
3321
3322         return res;
3323 }
3324
3325
3326 #ifndef CONFIG_NO_CONFIG_WRITE
3327 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3328 {
3329         int ret;
3330
3331         if (!wpa_s->conf->update_config) {
3332                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3333                            "to update configuration (update_config=0)");
3334                 return -1;
3335         }
3336
3337         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3338         if (ret) {
3339                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3340                            "update configuration");
3341         } else {
3342                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3343                            " updated");
3344         }
3345
3346         return ret;
3347 }
3348 #endif /* CONFIG_NO_CONFIG_WRITE */
3349
3350
3351 struct cipher_info {
3352         unsigned int capa;
3353         const char *name;
3354         int group_only;
3355 };
3356
3357 static const struct cipher_info ciphers[] = {
3358         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3359         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3360         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3361         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3362         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3363         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3364         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3365         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3366 };
3367
3368 static const struct cipher_info ciphers_group_mgmt[] = {
3369         { WPA_DRIVER_CAPA_ENC_BIP, "AES-128-CMAC", 1 },
3370         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_128, "BIP-GMAC-128", 1 },
3371         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_256, "BIP-GMAC-256", 1 },
3372         { WPA_DRIVER_CAPA_ENC_BIP_CMAC_256, "BIP-CMAC-256", 1 },
3373 };
3374
3375
3376 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3377                                               struct wpa_driver_capa *capa,
3378                                               char *buf, size_t buflen)
3379 {
3380         int ret;
3381         char *pos, *end;
3382         size_t len;
3383         unsigned int i;
3384
3385         pos = buf;
3386         end = pos + buflen;
3387
3388         if (res < 0) {
3389                 if (strict)
3390                         return 0;
3391                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3392                 if (len >= buflen)
3393                         return -1;
3394                 return len;
3395         }
3396
3397         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3398                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3399                         ret = os_snprintf(pos, end - pos, "%s%s",
3400                                           pos == buf ? "" : " ",
3401                                           ciphers[i].name);
3402                         if (os_snprintf_error(end - pos, ret))
3403                                 return pos - buf;
3404                         pos += ret;
3405                 }
3406         }
3407
3408         return pos - buf;
3409 }
3410
3411
3412 static int ctrl_iface_get_capability_group(int res, char *strict,
3413                                            struct wpa_driver_capa *capa,
3414                                            char *buf, size_t buflen)
3415 {
3416         int ret;
3417         char *pos, *end;
3418         size_t len;
3419         unsigned int i;
3420
3421         pos = buf;
3422         end = pos + buflen;
3423
3424         if (res < 0) {
3425                 if (strict)
3426                         return 0;
3427                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3428                 if (len >= buflen)
3429                         return -1;
3430                 return len;
3431         }
3432
3433         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3434                 if (capa->enc & ciphers[i].capa) {
3435                         ret = os_snprintf(pos, end - pos, "%s%s",
3436                                           pos == buf ? "" : " ",
3437                                           ciphers[i].name);
3438                         if (os_snprintf_error(end - pos, ret))
3439                                 return pos - buf;
3440                         pos += ret;
3441                 }
3442         }
3443
3444         return pos - buf;
3445 }
3446
3447
3448 static int ctrl_iface_get_capability_group_mgmt(int res, char *strict,
3449                                                 struct wpa_driver_capa *capa,
3450                                                 char *buf, size_t buflen)
3451 {
3452         int ret;
3453         char *pos, *end;
3454         unsigned int i;
3455
3456         pos = buf;
3457         end = pos + buflen;
3458
3459         if (res < 0)
3460                 return 0;
3461
3462         for (i = 0; i < ARRAY_SIZE(ciphers_group_mgmt); i++) {
3463                 if (capa->enc & ciphers_group_mgmt[i].capa) {
3464                         ret = os_snprintf(pos, end - pos, "%s%s",
3465                                           pos == buf ? "" : " ",
3466                                           ciphers_group_mgmt[i].name);
3467                         if (os_snprintf_error(end - pos, ret))
3468                                 return pos - buf;
3469                         pos += ret;
3470                 }
3471         }
3472
3473         return pos - buf;
3474 }
3475
3476
3477 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3478                                               struct wpa_driver_capa *capa,
3479                                               char *buf, size_t buflen)
3480 {
3481         int ret;
3482         char *pos, *end;
3483         size_t len;
3484
3485         pos = buf;
3486         end = pos + buflen;
3487
3488         if (res < 0) {
3489                 if (strict)
3490                         return 0;
3491                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3492                                  "NONE", buflen);
3493                 if (len >= buflen)
3494                         return -1;
3495                 return len;
3496         }
3497
3498         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3499         if (os_snprintf_error(end - pos, ret))
3500                 return pos - buf;
3501         pos += ret;
3502
3503         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3504                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3505                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3506                 if (os_snprintf_error(end - pos, ret))
3507                         return pos - buf;
3508                 pos += ret;
3509         }
3510
3511         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3512                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3513                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3514                 if (os_snprintf_error(end - pos, ret))
3515                         return pos - buf;
3516                 pos += ret;
3517         }
3518
3519         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3520                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3521                 if (os_snprintf_error(end - pos, ret))
3522                         return pos - buf;
3523                 pos += ret;
3524         }
3525
3526 #ifdef CONFIG_SUITEB
3527         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B) {
3528                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B");
3529                 if (os_snprintf_error(end - pos, ret))
3530                         return pos - buf;
3531                 pos += ret;
3532         }
3533 #endif /* CONFIG_SUITEB */
3534 #ifdef CONFIG_SUITEB192
3535         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192) {
3536                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B-192");
3537                 if (os_snprintf_error(end - pos, ret))
3538                         return pos - buf;
3539                 pos += ret;
3540         }
3541 #endif /* CONFIG_SUITEB192 */
3542
3543         return pos - buf;
3544 }
3545
3546
3547 static int ctrl_iface_get_capability_proto(int res, char *strict,
3548                                            struct wpa_driver_capa *capa,
3549                                            char *buf, size_t buflen)
3550 {
3551         int ret;
3552         char *pos, *end;
3553         size_t len;
3554
3555         pos = buf;
3556         end = pos + buflen;
3557
3558         if (res < 0) {
3559                 if (strict)
3560                         return 0;
3561                 len = os_strlcpy(buf, "RSN WPA", buflen);
3562                 if (len >= buflen)
3563                         return -1;
3564                 return len;
3565         }
3566
3567         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3568                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3569                 ret = os_snprintf(pos, end - pos, "%sRSN",
3570                                   pos == buf ? "" : " ");
3571                 if (os_snprintf_error(end - pos, ret))
3572                         return pos - buf;
3573                 pos += ret;
3574         }
3575
3576         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3577                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3578                 ret = os_snprintf(pos, end - pos, "%sWPA",
3579                                   pos == buf ? "" : " ");
3580                 if (os_snprintf_error(end - pos, ret))
3581                         return pos - buf;
3582                 pos += ret;
3583         }
3584
3585         return pos - buf;
3586 }
3587
3588
3589 static int ctrl_iface_get_capability_auth_alg(struct wpa_supplicant *wpa_s,
3590                                               int res, char *strict,
3591                                               struct wpa_driver_capa *capa,
3592                                               char *buf, size_t buflen)
3593 {
3594         int ret;
3595         char *pos, *end;
3596         size_t len;
3597
3598         pos = buf;
3599         end = pos + buflen;
3600
3601         if (res < 0) {
3602                 if (strict)
3603                         return 0;
3604                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3605                 if (len >= buflen)
3606                         return -1;
3607                 return len;
3608         }
3609
3610         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3611                 ret = os_snprintf(pos, end - pos, "%sOPEN",
3612                                   pos == buf ? "" : " ");
3613                 if (os_snprintf_error(end - pos, ret))
3614                         return pos - buf;
3615                 pos += ret;
3616         }
3617
3618         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3619                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3620                                   pos == buf ? "" : " ");
3621                 if (os_snprintf_error(end - pos, ret))
3622                         return pos - buf;
3623                 pos += ret;
3624         }
3625
3626         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3627                 ret = os_snprintf(pos, end - pos, "%sLEAP",
3628                                   pos == buf ? "" : " ");
3629                 if (os_snprintf_error(end - pos, ret))
3630                         return pos - buf;
3631                 pos += ret;
3632         }
3633
3634 #ifdef CONFIG_SAE
3635         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE) {
3636                 ret = os_snprintf(pos, end - pos, "%sSAE",
3637                                   pos == buf ? "" : " ");
3638                 if (os_snprintf_error(end - pos, ret))
3639                         return pos - buf;
3640                 pos += ret;
3641         }
3642 #endif /* CONFIG_SAE */
3643
3644         return pos - buf;
3645 }
3646
3647
3648 static int ctrl_iface_get_capability_modes(int res, char *strict,
3649                                            struct wpa_driver_capa *capa,
3650                                            char *buf, size_t buflen)
3651 {
3652         int ret;
3653         char *pos, *end;
3654         size_t len;
3655
3656         pos = buf;
3657         end = pos + buflen;
3658
3659         if (res < 0) {
3660                 if (strict)
3661                         return 0;
3662                 len = os_strlcpy(buf, "IBSS AP", buflen);
3663                 if (len >= buflen)
3664                         return -1;
3665                 return len;
3666         }
3667
3668         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3669                 ret = os_snprintf(pos, end - pos, "%sIBSS",
3670                                   pos == buf ? "" : " ");
3671                 if (os_snprintf_error(end - pos, ret))
3672                         return pos - buf;
3673                 pos += ret;
3674         }
3675
3676         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3677                 ret = os_snprintf(pos, end - pos, "%sAP",
3678                                   pos == buf ? "" : " ");
3679                 if (os_snprintf_error(end - pos, ret))
3680                         return pos - buf;
3681                 pos += ret;
3682         }
3683
3684 #ifdef CONFIG_MESH
3685         if (capa->flags & WPA_DRIVER_FLAGS_MESH) {
3686                 ret = os_snprintf(pos, end - pos, "%sMESH",
3687                                   pos == buf ? "" : " ");
3688                 if (os_snprintf_error(end - pos, ret))
3689                         return pos - buf;
3690                 pos += ret;
3691         }
3692 #endif /* CONFIG_MESH */
3693
3694         return pos - buf;
3695 }
3696
3697
3698 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3699                                               char *buf, size_t buflen)
3700 {
3701         struct hostapd_channel_data *chnl;
3702         int ret, i, j;
3703         char *pos, *end, *hmode;
3704
3705         pos = buf;
3706         end = pos + buflen;
3707
3708         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3709                 switch (wpa_s->hw.modes[j].mode) {
3710                 case HOSTAPD_MODE_IEEE80211B:
3711                         hmode = "B";
3712                         break;
3713                 case HOSTAPD_MODE_IEEE80211G:
3714                         hmode = "G";
3715                         break;
3716                 case HOSTAPD_MODE_IEEE80211A:
3717                         hmode = "A";
3718                         break;
3719                 case HOSTAPD_MODE_IEEE80211AD:
3720                         hmode = "AD";
3721                         break;
3722                 default:
3723                         continue;
3724                 }
3725                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3726                 if (os_snprintf_error(end - pos, ret))
3727                         return pos - buf;
3728                 pos += ret;
3729                 chnl = wpa_s->hw.modes[j].channels;
3730                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3731                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3732                                 continue;
3733                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3734                         if (os_snprintf_error(end - pos, ret))
3735                                 return pos - buf;
3736                         pos += ret;
3737                 }
3738                 ret = os_snprintf(pos, end - pos, "\n");
3739                 if (os_snprintf_error(end - pos, ret))
3740                         return pos - buf;
3741                 pos += ret;
3742         }
3743
3744         return pos - buf;
3745 }
3746
3747
3748 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3749                                           char *buf, size_t buflen)
3750 {
3751         struct hostapd_channel_data *chnl;
3752         int ret, i, j;
3753         char *pos, *end, *hmode;
3754
3755         pos = buf;
3756         end = pos + buflen;
3757
3758         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3759                 switch (wpa_s->hw.modes[j].mode) {
3760                 case HOSTAPD_MODE_IEEE80211B:
3761                         hmode = "B";
3762                         break;
3763                 case HOSTAPD_MODE_IEEE80211G:
3764                         hmode = "G";
3765                         break;
3766                 case HOSTAPD_MODE_IEEE80211A:
3767                         hmode = "A";
3768                         break;
3769                 case HOSTAPD_MODE_IEEE80211AD:
3770                         hmode = "AD";
3771                         break;
3772                 default:
3773                         continue;
3774                 }
3775                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3776                                   hmode);
3777                 if (os_snprintf_error(end - pos, ret))
3778                         return pos - buf;
3779                 pos += ret;
3780                 chnl = wpa_s->hw.modes[j].channels;
3781                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3782                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3783                                 continue;
3784                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3785                                           chnl[i].chan, chnl[i].freq,
3786                                           chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
3787                                           " (NO_IR)" : "",
3788                                           chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3789                                           " (DFS)" : "");
3790
3791                         if (os_snprintf_error(end - pos, ret))
3792                                 return pos - buf;
3793                         pos += ret;
3794                 }
3795                 ret = os_snprintf(pos, end - pos, "\n");
3796                 if (os_snprintf_error(end - pos, ret))
3797                         return pos - buf;
3798                 pos += ret;
3799         }
3800
3801         return pos - buf;
3802 }
3803
3804
3805 static int wpa_supplicant_ctrl_iface_get_capability(
3806         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3807         size_t buflen)
3808 {
3809         struct wpa_driver_capa capa;
3810         int res;
3811         char *strict;
3812         char field[30];
3813         size_t len;
3814
3815         /* Determine whether or not strict checking was requested */
3816         len = os_strlcpy(field, _field, sizeof(field));
3817         if (len >= sizeof(field))
3818                 return -1;
3819         strict = os_strchr(field, ' ');
3820         if (strict != NULL) {
3821                 *strict++ = '\0';
3822                 if (os_strcmp(strict, "strict") != 0)
3823                         return -1;
3824         }
3825
3826         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3827                 field, strict ? strict : "");
3828
3829         if (os_strcmp(field, "eap") == 0) {
3830                 return eap_get_names(buf, buflen);
3831         }
3832
3833         res = wpa_drv_get_capa(wpa_s, &capa);
3834
3835         if (os_strcmp(field, "pairwise") == 0)
3836                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3837                                                           buf, buflen);
3838
3839         if (os_strcmp(field, "group") == 0)
3840                 return ctrl_iface_get_capability_group(res, strict, &capa,
3841                                                        buf, buflen);
3842
3843         if (os_strcmp(field, "group_mgmt") == 0)
3844                 return ctrl_iface_get_capability_group_mgmt(res, strict, &capa,
3845                                                             buf, buflen);
3846
3847         if (os_strcmp(field, "key_mgmt") == 0)
3848                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3849                                                           buf, buflen);
3850
3851         if (os_strcmp(field, "proto") == 0)
3852                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3853                                                        buf, buflen);
3854
3855         if (os_strcmp(field, "auth_alg") == 0)
3856                 return ctrl_iface_get_capability_auth_alg(wpa_s, res, strict,
3857                                                           &capa, buf, buflen);
3858
3859         if (os_strcmp(field, "modes") == 0)
3860                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3861                                                        buf, buflen);
3862
3863         if (os_strcmp(field, "channels") == 0)
3864                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3865
3866         if (os_strcmp(field, "freq") == 0)
3867                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3868
3869 #ifdef CONFIG_TDLS
3870         if (os_strcmp(field, "tdls") == 0)
3871                 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3872 #endif /* CONFIG_TDLS */
3873
3874 #ifdef CONFIG_ERP
3875         if (os_strcmp(field, "erp") == 0) {
3876                 res = os_snprintf(buf, buflen, "ERP");
3877                 if (os_snprintf_error(buflen, res))
3878                         return -1;
3879                 return res;
3880         }
3881 #endif /* CONFIG_EPR */
3882
3883         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3884                    field);
3885
3886         return -1;
3887 }
3888
3889
3890 #ifdef CONFIG_INTERWORKING
3891 static char * anqp_add_hex(char *pos, char *end, const char *title,
3892                            struct wpabuf *data)
3893 {
3894         char *start = pos;
3895         size_t i;
3896         int ret;
3897         const u8 *d;
3898
3899         if (data == NULL)
3900                 return start;
3901
3902         ret = os_snprintf(pos, end - pos, "%s=", title);
3903         if (os_snprintf_error(end - pos, ret))
3904                 return start;
3905         pos += ret;
3906
3907         d = wpabuf_head_u8(data);
3908         for (i = 0; i < wpabuf_len(data); i++) {
3909                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3910                 if (os_snprintf_error(end - pos, ret))
3911                         return start;
3912                 pos += ret;
3913         }
3914
3915         ret = os_snprintf(pos, end - pos, "\n");
3916         if (os_snprintf_error(end - pos, ret))
3917                 return start;
3918         pos += ret;
3919
3920         return pos;
3921 }
3922 #endif /* CONFIG_INTERWORKING */
3923
3924
3925 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3926                           unsigned long mask, char *buf, size_t buflen)
3927 {
3928         size_t i;
3929         int ret;
3930         char *pos, *end;
3931         const u8 *ie, *ie2;
3932
3933         pos = buf;
3934         end = buf + buflen;
3935
3936         if (mask & WPA_BSS_MASK_ID) {
3937                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3938                 if (os_snprintf_error(end - pos, ret))
3939                         return 0;
3940                 pos += ret;
3941         }
3942
3943         if (mask & WPA_BSS_MASK_BSSID) {
3944                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3945                                   MAC2STR(bss->bssid));
3946                 if (os_snprintf_error(end - pos, ret))
3947                         return 0;
3948                 pos += ret;
3949         }
3950
3951         if (mask & WPA_BSS_MASK_FREQ) {
3952                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3953                 if (os_snprintf_error(end - pos, ret))
3954                         return 0;
3955                 pos += ret;
3956         }
3957
3958         if (mask & WPA_BSS_MASK_BEACON_INT) {
3959                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3960                                   bss->beacon_int);
3961                 if (os_snprintf_error(end - pos, ret))
3962                         return 0;
3963                 pos += ret;
3964         }
3965
3966         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3967                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3968                                   bss->caps);
3969                 if (os_snprintf_error(end - pos, ret))
3970                         return 0;
3971                 pos += ret;
3972         }
3973
3974         if (mask & WPA_BSS_MASK_QUAL) {
3975                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3976                 if (os_snprintf_error(end - pos, ret))
3977                         return 0;
3978                 pos += ret;
3979         }
3980
3981         if (mask & WPA_BSS_MASK_NOISE) {
3982                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3983                 if (os_snprintf_error(end - pos, ret))
3984                         return 0;
3985                 pos += ret;
3986         }
3987
3988         if (mask & WPA_BSS_MASK_LEVEL) {
3989                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3990                 if (os_snprintf_error(end - pos, ret))
3991                         return 0;
3992                 pos += ret;
3993         }
3994
3995         if (mask & WPA_BSS_MASK_TSF) {
3996                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3997                                   (unsigned long long) bss->tsf);
3998                 if (os_snprintf_error(end - pos, ret))
3999                         return 0;
4000                 pos += ret;
4001         }
4002
4003         if (mask & WPA_BSS_MASK_AGE) {
4004                 struct os_reltime now;
4005
4006                 os_get_reltime(&now);
4007                 ret = os_snprintf(pos, end - pos, "age=%d\n",
4008                                   (int) (now.sec - bss->last_update.sec));
4009                 if (os_snprintf_error(end - pos, ret))
4010                         return 0;
4011                 pos += ret;
4012         }
4013
4014         if (mask & WPA_BSS_MASK_IE) {
4015                 ret = os_snprintf(pos, end - pos, "ie=");
4016                 if (os_snprintf_error(end - pos, ret))
4017                         return 0;
4018                 pos += ret;
4019
4020                 ie = (const u8 *) (bss + 1);
4021                 for (i = 0; i < bss->ie_len; i++) {
4022                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4023                         if (os_snprintf_error(end - pos, ret))
4024                                 return 0;
4025                         pos += ret;
4026                 }
4027
4028                 ret = os_snprintf(pos, end - pos, "\n");
4029                 if (os_snprintf_error(end - pos, ret))
4030                         return 0;
4031                 pos += ret;
4032         }
4033
4034         if (mask & WPA_BSS_MASK_FLAGS) {
4035                 ret = os_snprintf(pos, end - pos, "flags=");
4036                 if (os_snprintf_error(end - pos, ret))
4037                         return 0;
4038                 pos += ret;
4039
4040                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
4041                 if (ie)
4042                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
4043                                                     2 + ie[1]);
4044                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4045                 if (ie2)
4046                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
4047                                                     2 + ie2[1]);
4048                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
4049                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
4050                         ret = os_snprintf(pos, end - pos, "[WEP]");
4051                         if (os_snprintf_error(end - pos, ret))
4052                                 return 0;
4053                         pos += ret;
4054                 }
4055                 if (bss_is_dmg(bss)) {
4056                         const char *s;
4057                         ret = os_snprintf(pos, end - pos, "[DMG]");
4058                         if (os_snprintf_error(end - pos, ret))
4059                                 return 0;
4060                         pos += ret;
4061                         switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
4062                         case IEEE80211_CAP_DMG_IBSS:
4063                                 s = "[IBSS]";
4064                                 break;
4065                         case IEEE80211_CAP_DMG_AP:
4066                                 s = "[ESS]";
4067                                 break;
4068                         case IEEE80211_CAP_DMG_PBSS:
4069                                 s = "[PBSS]";
4070                                 break;
4071                         default:
4072                                 s = "";
4073                                 break;
4074                         }
4075                         ret = os_snprintf(pos, end - pos, "%s", s);
4076                         if (os_snprintf_error(end - pos, ret))
4077                                 return 0;
4078                         pos += ret;
4079                 } else {
4080                         if (bss->caps & IEEE80211_CAP_IBSS) {
4081                                 ret = os_snprintf(pos, end - pos, "[IBSS]");
4082                                 if (os_snprintf_error(end - pos, ret))
4083                                         return 0;
4084                                 pos += ret;
4085                         }
4086                         if (bss->caps & IEEE80211_CAP_ESS) {
4087                                 ret = os_snprintf(pos, end - pos, "[ESS]");
4088                                 if (os_snprintf_error(end - pos, ret))
4089                                         return 0;
4090                                 pos += ret;
4091                         }
4092                 }
4093                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
4094                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
4095                         ret = os_snprintf(pos, end - pos, "[P2P]");
4096                         if (os_snprintf_error(end - pos, ret))
4097                                 return 0;
4098                         pos += ret;
4099                 }
4100 #ifdef CONFIG_HS20
4101                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
4102                         ret = os_snprintf(pos, end - pos, "[HS20]");
4103                         if (os_snprintf_error(end - pos, ret))
4104                                 return 0;
4105                         pos += ret;
4106                 }
4107 #endif /* CONFIG_HS20 */
4108
4109                 ret = os_snprintf(pos, end - pos, "\n");
4110                 if (os_snprintf_error(end - pos, ret))
4111                         return 0;
4112                 pos += ret;
4113         }
4114
4115         if (mask & WPA_BSS_MASK_SSID) {
4116                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
4117                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
4118                 if (os_snprintf_error(end - pos, ret))
4119                         return 0;
4120                 pos += ret;
4121         }
4122
4123 #ifdef CONFIG_WPS
4124         if (mask & WPA_BSS_MASK_WPS_SCAN) {
4125                 ie = (const u8 *) (bss + 1);
4126                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
4127                 if (ret < 0 || ret >= end - pos)
4128                         return 0;
4129                 pos += ret;
4130         }
4131 #endif /* CONFIG_WPS */
4132
4133 #ifdef CONFIG_P2P
4134         if (mask & WPA_BSS_MASK_P2P_SCAN) {
4135                 ie = (const u8 *) (bss + 1);
4136                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
4137                 if (ret < 0 || ret >= end - pos)
4138                         return 0;
4139                 pos += ret;
4140         }
4141 #endif /* CONFIG_P2P */
4142
4143 #ifdef CONFIG_WIFI_DISPLAY
4144         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
4145                 struct wpabuf *wfd;
4146                 ie = (const u8 *) (bss + 1);
4147                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
4148                                                   WFD_IE_VENDOR_TYPE);
4149                 if (wfd) {
4150                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
4151                         if (os_snprintf_error(end - pos, ret)) {
4152                                 wpabuf_free(wfd);
4153                                 return 0;
4154                         }
4155                         pos += ret;
4156
4157                         pos += wpa_snprintf_hex(pos, end - pos,
4158                                                 wpabuf_head(wfd),
4159                                                 wpabuf_len(wfd));
4160                         wpabuf_free(wfd);
4161
4162                         ret = os_snprintf(pos, end - pos, "\n");
4163                         if (os_snprintf_error(end - pos, ret))
4164                                 return 0;
4165                         pos += ret;
4166                 }
4167         }
4168 #endif /* CONFIG_WIFI_DISPLAY */
4169
4170 #ifdef CONFIG_INTERWORKING
4171         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
4172                 struct wpa_bss_anqp *anqp = bss->anqp;
4173                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
4174                                    anqp->venue_name);
4175                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4176                                    anqp->network_auth_type);
4177                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4178                                    anqp->roaming_consortium);
4179                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4180                                    anqp->ip_addr_type_availability);
4181                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4182                                    anqp->nai_realm);
4183                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4184                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
4185                                    anqp->domain_name);
4186 #ifdef CONFIG_HS20
4187                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4188                                    anqp->hs20_operator_friendly_name);
4189                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4190                                    anqp->hs20_wan_metrics);
4191                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4192                                    anqp->hs20_connection_capability);
4193                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
4194                                    anqp->hs20_operating_class);
4195                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4196                                    anqp->hs20_osu_providers_list);
4197 #endif /* CONFIG_HS20 */
4198         }
4199 #endif /* CONFIG_INTERWORKING */
4200
4201 #ifdef CONFIG_MESH
4202         if (mask & WPA_BSS_MASK_MESH_SCAN) {
4203                 ie = (const u8 *) (bss + 1);
4204                 ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4205                 if (ret < 0 || ret >= end - pos)
4206                         return 0;
4207                 pos += ret;
4208         }
4209 #endif /* CONFIG_MESH */
4210
4211         if (mask & WPA_BSS_MASK_DELIM) {
4212                 ret = os_snprintf(pos, end - pos, "====\n");
4213                 if (os_snprintf_error(end - pos, ret))
4214                         return 0;
4215                 pos += ret;
4216         }
4217
4218         return pos - buf;
4219 }
4220
4221
4222 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
4223                                          const char *cmd, char *buf,
4224                                          size_t buflen)
4225 {
4226         u8 bssid[ETH_ALEN];
4227         size_t i;
4228         struct wpa_bss *bss;
4229         struct wpa_bss *bsslast = NULL;
4230         struct dl_list *next;
4231         int ret = 0;
4232         int len;
4233         char *ctmp, *end = buf + buflen;
4234         unsigned long mask = WPA_BSS_MASK_ALL;
4235
4236         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
4237                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
4238                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
4239                                             list_id);
4240                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
4241                                                list_id);
4242                 } else { /* N1-N2 */
4243                         unsigned int id1, id2;
4244
4245                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
4246                                 wpa_printf(MSG_INFO, "Wrong BSS range "
4247                                            "format");
4248                                 return 0;
4249                         }
4250
4251                         if (*(cmd + 6) == '-')
4252                                 id1 = 0;
4253                         else
4254                                 id1 = atoi(cmd + 6);
4255                         ctmp++;
4256                         if (*ctmp >= '0' && *ctmp <= '9')
4257                                 id2 = atoi(ctmp);
4258                         else
4259                                 id2 = (unsigned int) -1;
4260                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4261                         if (id2 == (unsigned int) -1)
4262                                 bsslast = dl_list_last(&wpa_s->bss_id,
4263                                                        struct wpa_bss,
4264                                                        list_id);
4265                         else {
4266                                 bsslast = wpa_bss_get_id(wpa_s, id2);
4267                                 if (bsslast == NULL && bss && id2 > id1) {
4268                                         struct wpa_bss *tmp = bss;
4269                                         for (;;) {
4270                                                 next = tmp->list_id.next;
4271                                                 if (next == &wpa_s->bss_id)
4272                                                         break;
4273                                                 tmp = dl_list_entry(
4274                                                         next, struct wpa_bss,
4275                                                         list_id);
4276                                                 if (tmp->id > id2)
4277                                                         break;
4278                                                 bsslast = tmp;
4279                                         }
4280                                 }
4281                         }
4282                 }
4283         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
4284                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4285         else if (os_strncmp(cmd, "LAST", 4) == 0)
4286                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4287         else if (os_strncmp(cmd, "ID-", 3) == 0) {
4288                 i = atoi(cmd + 3);
4289                 bss = wpa_bss_get_id(wpa_s, i);
4290         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4291                 i = atoi(cmd + 5);
4292                 bss = wpa_bss_get_id(wpa_s, i);
4293                 if (bss) {
4294                         next = bss->list_id.next;
4295                         if (next == &wpa_s->bss_id)
4296                                 bss = NULL;
4297                         else
4298                                 bss = dl_list_entry(next, struct wpa_bss,
4299                                                     list_id);
4300                 }
4301 #ifdef CONFIG_P2P
4302         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4303                 if (hwaddr_aton(cmd + 13, bssid) == 0)
4304                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4305                 else
4306                         bss = NULL;
4307 #endif /* CONFIG_P2P */
4308         } else if (hwaddr_aton(cmd, bssid) == 0)
4309                 bss = wpa_bss_get_bssid(wpa_s, bssid);
4310         else {
4311                 struct wpa_bss *tmp;
4312                 i = atoi(cmd);
4313                 bss = NULL;
4314                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4315                 {
4316                         if (i-- == 0) {
4317                                 bss = tmp;
4318                                 break;
4319                         }
4320                 }
4321         }
4322
4323         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4324                 mask = strtoul(ctmp + 5, NULL, 0x10);
4325                 if (mask == 0)
4326                         mask = WPA_BSS_MASK_ALL;
4327         }
4328
4329         if (bss == NULL)
4330                 return 0;
4331
4332         if (bsslast == NULL)
4333                 bsslast = bss;
4334         do {
4335                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4336                 ret += len;
4337                 buf += len;
4338                 buflen -= len;
4339                 if (bss == bsslast) {
4340                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
4341                             (bss == dl_list_last(&wpa_s->bss_id,
4342                                                  struct wpa_bss, list_id))) {
4343                                 int res;
4344
4345                                 res = os_snprintf(buf - 5, end - buf + 5,
4346                                                   "####\n");
4347                                 if (os_snprintf_error(end - buf + 5, res)) {
4348                                         wpa_printf(MSG_DEBUG,
4349                                                    "Could not add end delim");
4350                                 }
4351                         }
4352                         break;
4353                 }
4354                 next = bss->list_id.next;
4355                 if (next == &wpa_s->bss_id)
4356                         break;
4357                 bss = dl_list_entry(next, struct wpa_bss, list_id);
4358         } while (bss && len);
4359
4360         return ret;
4361 }
4362
4363
4364 static int wpa_supplicant_ctrl_iface_ap_scan(
4365         struct wpa_supplicant *wpa_s, char *cmd)
4366 {
4367         int ap_scan = atoi(cmd);
4368         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4369 }
4370
4371
4372 static int wpa_supplicant_ctrl_iface_scan_interval(
4373         struct wpa_supplicant *wpa_s, char *cmd)
4374 {
4375         int scan_int = atoi(cmd);
4376         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4377 }
4378
4379
4380 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4381         struct wpa_supplicant *wpa_s, char *cmd)
4382 {
4383         int expire_age = atoi(cmd);
4384         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4385 }
4386
4387
4388 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4389         struct wpa_supplicant *wpa_s, char *cmd)
4390 {
4391         int expire_count = atoi(cmd);
4392         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4393 }
4394
4395
4396 static void wpa_supplicant_ctrl_iface_bss_flush(
4397         struct wpa_supplicant *wpa_s, char *cmd)
4398 {
4399         int flush_age = atoi(cmd);
4400
4401         if (flush_age == 0)
4402                 wpa_bss_flush(wpa_s);
4403         else
4404                 wpa_bss_flush_by_age(wpa_s, flush_age);
4405 }
4406
4407
4408 #ifdef CONFIG_TESTING_OPTIONS
4409 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4410 {
4411         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4412         /* MLME-DELETEKEYS.request */
4413         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4414         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4415         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4416         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4417 #ifdef CONFIG_IEEE80211W
4418         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4419         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4420 #endif /* CONFIG_IEEE80211W */
4421
4422         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4423                         0);
4424         /* MLME-SETPROTECTION.request(None) */
4425         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4426                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4427                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4428         wpa_sm_drop_sa(wpa_s->wpa);
4429 }
4430 #endif /* CONFIG_TESTING_OPTIONS */
4431
4432
4433 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4434                                           char *addr)
4435 {
4436 #ifdef CONFIG_NO_SCAN_PROCESSING
4437         return -1;
4438 #else /* CONFIG_NO_SCAN_PROCESSING */
4439         u8 bssid[ETH_ALEN];
4440         struct wpa_bss *bss;
4441         struct wpa_ssid *ssid = wpa_s->current_ssid;
4442
4443         if (hwaddr_aton(addr, bssid)) {
4444                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4445                            "address '%s'", addr);
4446                 return -1;
4447         }
4448
4449         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4450
4451         if (!ssid) {
4452                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4453                            "configuration known for the target AP");
4454                 return -1;
4455         }
4456
4457         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4458         if (!bss) {
4459                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4460                            "from BSS table");
4461                 return -1;
4462         }
4463
4464         /*
4465          * TODO: Find best network configuration block from configuration to
4466          * allow roaming to other networks
4467          */
4468
4469         wpa_s->reassociate = 1;
4470         wpa_supplicant_connect(wpa_s, bss, ssid);
4471
4472         return 0;
4473 #endif /* CONFIG_NO_SCAN_PROCESSING */
4474 }
4475
4476
4477 #ifdef CONFIG_P2P
4478 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4479 {
4480         unsigned int timeout = atoi(cmd);
4481         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4482         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4483         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4484         char *pos;
4485         unsigned int search_delay;
4486         const char *seek[P2P_MAX_QUERY_HASH + 1];
4487         u8 seek_count = 0;
4488
4489         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4490                 wpa_dbg(wpa_s, MSG_INFO,
4491                         "Reject P2P_FIND since interface is disabled");
4492                 return -1;
4493         }
4494         if (os_strstr(cmd, "type=social"))
4495                 type = P2P_FIND_ONLY_SOCIAL;
4496         else if (os_strstr(cmd, "type=progressive"))
4497                 type = P2P_FIND_PROGRESSIVE;
4498
4499         pos = os_strstr(cmd, "dev_id=");
4500         if (pos) {
4501                 pos += 7;
4502                 if (hwaddr_aton(pos, dev_id))
4503                         return -1;
4504                 _dev_id = dev_id;
4505         }
4506
4507         pos = os_strstr(cmd, "dev_type=");
4508         if (pos) {
4509                 pos += 9;
4510                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4511                         return -1;
4512                 _dev_type = dev_type;
4513         }
4514
4515         pos = os_strstr(cmd, "delay=");
4516         if (pos) {
4517                 pos += 6;
4518                 search_delay = atoi(pos);
4519         } else
4520                 search_delay = wpas_p2p_search_delay(wpa_s);
4521
4522         /* Must be searched for last, because it adds nul termination */
4523         pos = os_strstr(cmd, " seek=");
4524         while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
4525                 char *term;
4526
4527                 term = os_strchr(pos + 1, ' ');
4528                 seek[seek_count++] = pos + 6;
4529                 pos = os_strstr(pos + 6, " seek=");
4530
4531                 if (term)
4532                         *term = '\0';
4533         }
4534
4535         if (!seek_count)
4536                 return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL,
4537                                      _dev_type, _dev_id,
4538                                      search_delay, 0, NULL);
4539
4540         if (seek_count > P2P_MAX_QUERY_HASH) {
4541                 seek[0] = NULL;
4542                 return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL,
4543                                      _dev_type, _dev_id,
4544                                      search_delay, 1, seek);
4545         }
4546
4547         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4548                              _dev_id, search_delay, seek_count, seek);
4549 }
4550
4551
4552 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4553                             char *buf, size_t buflen)
4554 {
4555         u8 addr[ETH_ALEN];
4556         char *pos, *pos2;
4557         char *pin = NULL;
4558         enum p2p_wps_method wps_method;
4559         int new_pin;
4560         int ret;
4561         int persistent_group, persistent_id = -1;
4562         int join;
4563         int auth;
4564         int automatic;
4565         int go_intent = -1;
4566         int freq = 0;
4567         int pd;
4568         int ht40, vht;
4569
4570         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
4571          * [persistent|persistent=<network id>]
4572          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4573          * [ht40] [vht] */
4574
4575         if (hwaddr_aton(cmd, addr))
4576                 return -1;
4577
4578         pos = cmd + 17;
4579         if (*pos != ' ')
4580                 return -1;
4581         pos++;
4582
4583         persistent_group = os_strstr(pos, " persistent") != NULL;
4584         pos2 = os_strstr(pos, " persistent=");
4585         if (pos2) {
4586                 struct wpa_ssid *ssid;
4587                 persistent_id = atoi(pos2 + 12);
4588                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4589                 if (ssid == NULL || ssid->disabled != 2 ||
4590                     ssid->mode != WPAS_MODE_P2P_GO) {
4591                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4592                                    "SSID id=%d for persistent P2P group (GO)",
4593                                    persistent_id);
4594                         return -1;
4595                 }
4596         }
4597         join = os_strstr(pos, " join") != NULL;
4598         auth = os_strstr(pos, " auth") != NULL;
4599         automatic = os_strstr(pos, " auto") != NULL;
4600         pd = os_strstr(pos, " provdisc") != NULL;
4601         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4602         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4603                 vht;
4604
4605         pos2 = os_strstr(pos, " go_intent=");
4606         if (pos2) {
4607                 pos2 += 11;
4608                 go_intent = atoi(pos2);
4609                 if (go_intent < 0 || go_intent > 15)
4610                         return -1;
4611         }
4612
4613         pos2 = os_strstr(pos, " freq=");
4614         if (pos2) {
4615                 pos2 += 6;
4616                 freq = atoi(pos2);
4617                 if (freq <= 0)
4618                         return -1;
4619         }
4620
4621         if (os_strncmp(pos, "pin", 3) == 0) {
4622                 /* Request random PIN (to be displayed) and enable the PIN */
4623                 wps_method = WPS_PIN_DISPLAY;
4624         } else if (os_strncmp(pos, "pbc", 3) == 0) {
4625                 wps_method = WPS_PBC;
4626         } else {
4627                 pin = pos;
4628                 pos = os_strchr(pin, ' ');
4629                 wps_method = WPS_PIN_KEYPAD;
4630                 if (pos) {
4631                         *pos++ = '\0';
4632                         if (os_strncmp(pos, "display", 7) == 0)
4633                                 wps_method = WPS_PIN_DISPLAY;
4634                         else if (os_strncmp(pos, "p2ps", 4) == 0)
4635                                 wps_method = WPS_P2PS;
4636                 }
4637                 if (!wps_pin_str_valid(pin)) {
4638                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
4639                         return 17;
4640                 }
4641         }
4642
4643         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
4644                                    persistent_group, automatic, join,
4645                                    auth, go_intent, freq, persistent_id, pd,
4646                                    ht40, vht);
4647         if (new_pin == -2) {
4648                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
4649                 return 25;
4650         }
4651         if (new_pin == -3) {
4652                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
4653                 return 25;
4654         }
4655         if (new_pin < 0)
4656                 return -1;
4657         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
4658                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
4659                 if (os_snprintf_error(buflen, ret))
4660                         return -1;
4661                 return ret;
4662         }
4663
4664         os_memcpy(buf, "OK\n", 3);
4665         return 3;
4666 }
4667
4668
4669 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
4670 {
4671         unsigned int timeout = atoi(cmd);
4672         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4673                 wpa_dbg(wpa_s, MSG_INFO,
4674                         "Reject P2P_LISTEN since interface is disabled");
4675                 return -1;
4676         }
4677         return wpas_p2p_listen(wpa_s, timeout);
4678 }
4679
4680
4681 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
4682 {
4683         u8 addr[ETH_ALEN];
4684         char *pos;
4685         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
4686
4687         /* <addr> <config method> [join|auto] */
4688
4689         if (hwaddr_aton(cmd, addr))
4690                 return -1;
4691
4692         pos = cmd + 17;
4693         if (*pos != ' ')
4694                 return -1;
4695         pos++;
4696
4697         if (os_strstr(pos, " join") != NULL)
4698                 use = WPAS_P2P_PD_FOR_JOIN;
4699         else if (os_strstr(pos, " auto") != NULL)
4700                 use = WPAS_P2P_PD_AUTO;
4701
4702         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
4703 }
4704
4705
4706 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
4707                               size_t buflen)
4708 {
4709         struct wpa_ssid *ssid = wpa_s->current_ssid;
4710
4711         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
4712             ssid->passphrase == NULL)
4713                 return -1;
4714
4715         os_strlcpy(buf, ssid->passphrase, buflen);
4716         return os_strlen(buf);
4717 }
4718
4719
4720 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
4721                                   char *buf, size_t buflen)
4722 {
4723         u64 ref;
4724         int res;
4725         u8 dst_buf[ETH_ALEN], *dst;
4726         struct wpabuf *tlvs;
4727         char *pos;
4728         size_t len;
4729
4730         if (hwaddr_aton(cmd, dst_buf))
4731                 return -1;
4732         dst = dst_buf;
4733         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
4734             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
4735                 dst = NULL;
4736         pos = cmd + 17;
4737         if (*pos != ' ')
4738                 return -1;
4739         pos++;
4740
4741         if (os_strncmp(pos, "upnp ", 5) == 0) {
4742                 u8 version;
4743                 pos += 5;
4744                 if (hexstr2bin(pos, &version, 1) < 0)
4745                         return -1;
4746                 pos += 2;
4747                 if (*pos != ' ')
4748                         return -1;
4749                 pos++;
4750                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
4751 #ifdef CONFIG_WIFI_DISPLAY
4752         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
4753                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
4754 #endif /* CONFIG_WIFI_DISPLAY */
4755         } else {
4756                 len = os_strlen(pos);
4757                 if (len & 1)
4758                         return -1;
4759                 len /= 2;
4760                 tlvs = wpabuf_alloc(len);
4761                 if (tlvs == NULL)
4762                         return -1;
4763                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
4764                         wpabuf_free(tlvs);
4765                         return -1;
4766                 }
4767
4768                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
4769                 wpabuf_free(tlvs);
4770         }
4771         if (ref == 0)
4772                 return -1;
4773         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
4774         if (os_snprintf_error(buflen, res))
4775                 return -1;
4776         return res;
4777 }
4778
4779
4780 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
4781                                          char *cmd)
4782 {
4783         long long unsigned val;
4784         u64 req;
4785         if (sscanf(cmd, "%llx", &val) != 1)
4786                 return -1;
4787         req = val;
4788         return wpas_p2p_sd_cancel_request(wpa_s, req);
4789 }
4790
4791
4792 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
4793 {
4794         int freq;
4795         u8 dst[ETH_ALEN];
4796         u8 dialog_token;
4797         struct wpabuf *resp_tlvs;
4798         char *pos, *pos2;
4799         size_t len;
4800
4801         pos = os_strchr(cmd, ' ');
4802         if (pos == NULL)
4803                 return -1;
4804         *pos++ = '\0';
4805         freq = atoi(cmd);
4806         if (freq == 0)
4807                 return -1;
4808
4809         if (hwaddr_aton(pos, dst))
4810                 return -1;
4811         pos += 17;
4812         if (*pos != ' ')
4813                 return -1;
4814         pos++;
4815
4816         pos2 = os_strchr(pos, ' ');
4817         if (pos2 == NULL)
4818                 return -1;
4819         *pos2++ = '\0';
4820         dialog_token = atoi(pos);
4821
4822         len = os_strlen(pos2);
4823         if (len & 1)
4824                 return -1;
4825         len /= 2;
4826         resp_tlvs = wpabuf_alloc(len);
4827         if (resp_tlvs == NULL)
4828                 return -1;
4829         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
4830                 wpabuf_free(resp_tlvs);
4831                 return -1;
4832         }
4833
4834         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
4835         wpabuf_free(resp_tlvs);
4836         return 0;
4837 }
4838
4839
4840 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
4841                                        char *cmd)
4842 {
4843         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
4844                 return -1;
4845         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
4846         return 0;
4847 }
4848
4849
4850 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
4851                                         char *cmd)
4852 {
4853         char *pos;
4854         size_t len;
4855         struct wpabuf *query, *resp;
4856
4857         pos = os_strchr(cmd, ' ');
4858         if (pos == NULL)
4859                 return -1;
4860         *pos++ = '\0';
4861
4862         len = os_strlen(cmd);
4863         if (len & 1)
4864                 return -1;
4865         len /= 2;
4866         query = wpabuf_alloc(len);
4867         if (query == NULL)
4868                 return -1;
4869         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4870                 wpabuf_free(query);
4871                 return -1;
4872         }
4873
4874         len = os_strlen(pos);
4875         if (len & 1) {
4876                 wpabuf_free(query);
4877                 return -1;
4878         }
4879         len /= 2;
4880         resp = wpabuf_alloc(len);
4881         if (resp == NULL) {
4882                 wpabuf_free(query);
4883                 return -1;
4884         }
4885         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
4886                 wpabuf_free(query);
4887                 wpabuf_free(resp);
4888                 return -1;
4889         }
4890
4891         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
4892                 wpabuf_free(query);
4893                 wpabuf_free(resp);
4894                 return -1;
4895         }
4896         return 0;
4897 }
4898
4899
4900 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4901 {
4902         char *pos;
4903         u8 version;
4904
4905         pos = os_strchr(cmd, ' ');
4906         if (pos == NULL)
4907                 return -1;
4908         *pos++ = '\0';
4909
4910         if (hexstr2bin(cmd, &version, 1) < 0)
4911                 return -1;
4912
4913         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
4914 }
4915
4916
4917 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
4918 {
4919         char *pos;
4920
4921         pos = os_strchr(cmd, ' ');
4922         if (pos == NULL)
4923                 return -1;
4924         *pos++ = '\0';
4925
4926         if (os_strcmp(cmd, "bonjour") == 0)
4927                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
4928         if (os_strcmp(cmd, "upnp") == 0)
4929                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
4930         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4931         return -1;
4932 }
4933
4934
4935 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
4936                                         char *cmd)
4937 {
4938         size_t len;
4939         struct wpabuf *query;
4940         int ret;
4941
4942         len = os_strlen(cmd);
4943         if (len & 1)
4944                 return -1;
4945         len /= 2;
4946         query = wpabuf_alloc(len);
4947         if (query == NULL)
4948                 return -1;
4949         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4950                 wpabuf_free(query);
4951                 return -1;
4952         }
4953
4954         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
4955         wpabuf_free(query);
4956         return ret;
4957 }
4958
4959
4960 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4961 {
4962         char *pos;
4963         u8 version;
4964
4965         pos = os_strchr(cmd, ' ');
4966         if (pos == NULL)
4967                 return -1;
4968         *pos++ = '\0';
4969
4970         if (hexstr2bin(cmd, &version, 1) < 0)
4971                 return -1;
4972
4973         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4974 }
4975
4976
4977 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4978 {
4979         char *pos;
4980
4981         pos = os_strchr(cmd, ' ');
4982         if (pos == NULL)
4983                 return -1;
4984         *pos++ = '\0';
4985
4986         if (os_strcmp(cmd, "bonjour") == 0)
4987                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4988         if (os_strcmp(cmd, "upnp") == 0)
4989                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
4990         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4991         return -1;
4992 }
4993
4994
4995 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4996 {
4997         u8 addr[ETH_ALEN];
4998
4999         /* <addr> */
5000
5001         if (hwaddr_aton(cmd, addr))
5002                 return -1;
5003
5004         return wpas_p2p_reject(wpa_s, addr);
5005 }
5006
5007
5008 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
5009 {
5010         char *pos;
5011         int id;
5012         struct wpa_ssid *ssid;
5013         u8 *_peer = NULL, peer[ETH_ALEN];
5014         int freq = 0, pref_freq = 0;
5015         int ht40, vht;
5016
5017         id = atoi(cmd);
5018         pos = os_strstr(cmd, " peer=");
5019         if (pos) {
5020                 pos += 6;
5021                 if (hwaddr_aton(pos, peer))
5022                         return -1;
5023                 _peer = peer;
5024         }
5025         ssid = wpa_config_get_network(wpa_s->conf, id);
5026         if (ssid == NULL || ssid->disabled != 2) {
5027                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5028                            "for persistent P2P group",
5029                            id);
5030                 return -1;
5031         }
5032
5033         pos = os_strstr(cmd, " freq=");
5034         if (pos) {
5035                 pos += 6;
5036                 freq = atoi(pos);
5037                 if (freq <= 0)
5038                         return -1;
5039         }
5040
5041         pos = os_strstr(cmd, " pref=");
5042         if (pos) {
5043                 pos += 6;
5044                 pref_freq = atoi(pos);
5045                 if (pref_freq <= 0)
5046                         return -1;
5047         }
5048
5049         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5050         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5051                 vht;
5052
5053         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
5054                                pref_freq);
5055 }
5056
5057
5058 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
5059 {
5060         char *pos;
5061         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
5062
5063         pos = os_strstr(cmd, " peer=");
5064         if (!pos)
5065                 return -1;
5066
5067         *pos = '\0';
5068         pos += 6;
5069         if (hwaddr_aton(pos, peer)) {
5070                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
5071                 return -1;
5072         }
5073
5074         pos = os_strstr(pos, " go_dev_addr=");
5075         if (pos) {
5076                 pos += 13;
5077                 if (hwaddr_aton(pos, go_dev_addr)) {
5078                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
5079                                    pos);
5080                         return -1;
5081                 }
5082                 go_dev = go_dev_addr;
5083         }
5084
5085         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
5086 }
5087
5088
5089 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
5090 {
5091         if (os_strncmp(cmd, "persistent=", 11) == 0)
5092                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
5093         if (os_strncmp(cmd, "group=", 6) == 0)
5094                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
5095
5096         return -1;
5097 }
5098
5099
5100 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
5101                                          char *cmd, int freq, int ht40,
5102                                          int vht)
5103 {
5104         int id;
5105         struct wpa_ssid *ssid;
5106
5107         id = atoi(cmd);
5108         ssid = wpa_config_get_network(wpa_s->conf, id);
5109         if (ssid == NULL || ssid->disabled != 2) {
5110                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5111                            "for persistent P2P group",
5112                            id);
5113                 return -1;
5114         }
5115
5116         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
5117                                              NULL, 0);
5118 }
5119
5120
5121 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
5122 {
5123         int freq = 0, ht40, vht;
5124         char *pos;
5125
5126         pos = os_strstr(cmd, "freq=");
5127         if (pos)
5128                 freq = atoi(pos + 5);
5129
5130         vht = (os_strstr(cmd, "vht") != NULL) || wpa_s->conf->p2p_go_vht;
5131         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5132                 vht;
5133
5134         if (os_strncmp(cmd, "persistent=", 11) == 0)
5135                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
5136                                                      ht40, vht);
5137         if (os_strcmp(cmd, "persistent") == 0 ||
5138             os_strncmp(cmd, "persistent ", 11) == 0)
5139                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40, vht);
5140         if (os_strncmp(cmd, "freq=", 5) == 0)
5141                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
5142         if (ht40)
5143                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
5144
5145         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
5146                    cmd);
5147         return -1;
5148 }
5149
5150
5151 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
5152                          char *buf, size_t buflen)
5153 {
5154         u8 addr[ETH_ALEN], *addr_ptr;
5155         int next, res;
5156         const struct p2p_peer_info *info;
5157         char *pos, *end;
5158         char devtype[WPS_DEV_TYPE_BUFSIZE];
5159         struct wpa_ssid *ssid;
5160         size_t i;
5161
5162         if (!wpa_s->global->p2p)
5163                 return -1;
5164
5165         if (os_strcmp(cmd, "FIRST") == 0) {
5166                 addr_ptr = NULL;
5167                 next = 0;
5168         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5169                 if (hwaddr_aton(cmd + 5, addr) < 0)
5170                         return -1;
5171                 addr_ptr = addr;
5172                 next = 1;
5173         } else {
5174                 if (hwaddr_aton(cmd, addr) < 0)
5175                         return -1;
5176                 addr_ptr = addr;
5177                 next = 0;
5178         }
5179
5180         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
5181         if (info == NULL)
5182                 return -1;
5183
5184         pos = buf;
5185         end = buf + buflen;
5186
5187         res = os_snprintf(pos, end - pos, MACSTR "\n"
5188                           "pri_dev_type=%s\n"
5189                           "device_name=%s\n"
5190                           "manufacturer=%s\n"
5191                           "model_name=%s\n"
5192                           "model_number=%s\n"
5193                           "serial_number=%s\n"
5194                           "config_methods=0x%x\n"
5195                           "dev_capab=0x%x\n"
5196                           "group_capab=0x%x\n"
5197                           "level=%d\n",
5198                           MAC2STR(info->p2p_device_addr),
5199                           wps_dev_type_bin2str(info->pri_dev_type,
5200                                                devtype, sizeof(devtype)),
5201                           info->device_name,
5202                           info->manufacturer,
5203                           info->model_name,
5204                           info->model_number,
5205                           info->serial_number,
5206                           info->config_methods,
5207                           info->dev_capab,
5208                           info->group_capab,
5209                           info->level);
5210         if (os_snprintf_error(end - pos, res))
5211                 return pos - buf;
5212         pos += res;
5213
5214         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
5215         {
5216                 const u8 *t;
5217                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
5218                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
5219                                   wps_dev_type_bin2str(t, devtype,
5220                                                        sizeof(devtype)));
5221                 if (os_snprintf_error(end - pos, res))
5222                         return pos - buf;
5223                 pos += res;
5224         }
5225
5226         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
5227         if (ssid) {
5228                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
5229                 if (os_snprintf_error(end - pos, res))
5230                         return pos - buf;
5231                 pos += res;
5232         }
5233
5234         res = p2p_get_peer_info_txt(info, pos, end - pos);
5235         if (res < 0)
5236                 return pos - buf;
5237         pos += res;
5238
5239         if (info->vendor_elems) {
5240                 res = os_snprintf(pos, end - pos, "vendor_elems=");
5241                 if (os_snprintf_error(end - pos, res))
5242                         return pos - buf;
5243                 pos += res;
5244
5245                 pos += wpa_snprintf_hex(pos, end - pos,
5246                                         wpabuf_head(info->vendor_elems),
5247                                         wpabuf_len(info->vendor_elems));
5248
5249                 res = os_snprintf(pos, end - pos, "\n");
5250                 if (os_snprintf_error(end - pos, res))
5251                         return pos - buf;
5252                 pos += res;
5253         }
5254
5255         return pos - buf;
5256 }
5257
5258
5259 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
5260                                   const char *param)
5261 {
5262         unsigned int i;
5263
5264         if (wpa_s->global->p2p == NULL)
5265                 return -1;
5266
5267         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
5268                 return -1;
5269
5270         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
5271                 struct wpa_freq_range *freq;
5272                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
5273                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
5274                            freq->min, freq->max);
5275         }
5276
5277         wpas_p2p_update_channel_list(wpa_s);
5278         return 0;
5279 }
5280
5281
5282 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
5283 {
5284         char *param;
5285
5286         if (wpa_s->global->p2p == NULL)
5287                 return -1;
5288
5289         param = os_strchr(cmd, ' ');
5290         if (param == NULL)
5291                 return -1;
5292         *param++ = '\0';
5293
5294         if (os_strcmp(cmd, "discoverability") == 0) {
5295                 p2p_set_client_discoverability(wpa_s->global->p2p,
5296                                                atoi(param));
5297                 return 0;
5298         }
5299
5300         if (os_strcmp(cmd, "managed") == 0) {
5301                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5302                 return 0;
5303         }
5304
5305         if (os_strcmp(cmd, "listen_channel") == 0) {
5306                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
5307                                               atoi(param), 1);
5308         }
5309
5310         if (os_strcmp(cmd, "ssid_postfix") == 0) {
5311                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
5312                                             os_strlen(param));
5313         }
5314
5315         if (os_strcmp(cmd, "noa") == 0) {
5316                 char *pos;
5317                 int count, start, duration;
5318                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
5319                 count = atoi(param);
5320                 pos = os_strchr(param, ',');
5321                 if (pos == NULL)
5322                         return -1;
5323                 pos++;
5324                 start = atoi(pos);
5325                 pos = os_strchr(pos, ',');
5326                 if (pos == NULL)
5327                         return -1;
5328                 pos++;
5329                 duration = atoi(pos);
5330                 if (count < 0 || count > 255 || start < 0 || duration < 0)
5331                         return -1;
5332                 if (count == 0 && duration > 0)
5333                         return -1;
5334                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
5335                            "start=%d duration=%d", count, start, duration);
5336                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
5337         }
5338
5339         if (os_strcmp(cmd, "ps") == 0)
5340                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
5341
5342         if (os_strcmp(cmd, "oppps") == 0)
5343                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
5344
5345         if (os_strcmp(cmd, "ctwindow") == 0)
5346                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
5347
5348         if (os_strcmp(cmd, "disabled") == 0) {
5349                 wpa_s->global->p2p_disabled = atoi(param);
5350                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
5351                            wpa_s->global->p2p_disabled ?
5352                            "disabled" : "enabled");
5353                 if (wpa_s->global->p2p_disabled) {
5354                         wpas_p2p_stop_find(wpa_s);
5355                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5356                         p2p_flush(wpa_s->global->p2p);
5357                 }
5358                 return 0;
5359         }
5360
5361         if (os_strcmp(cmd, "conc_pref") == 0) {
5362                 if (os_strcmp(param, "sta") == 0)
5363                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
5364                 else if (os_strcmp(param, "p2p") == 0)
5365                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
5366                 else {
5367                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
5368                         return -1;
5369                 }
5370                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
5371                            "%s", param);
5372                 return 0;
5373         }
5374
5375         if (os_strcmp(cmd, "force_long_sd") == 0) {
5376                 wpa_s->force_long_sd = atoi(param);
5377                 return 0;
5378         }
5379
5380         if (os_strcmp(cmd, "peer_filter") == 0) {
5381                 u8 addr[ETH_ALEN];
5382                 if (hwaddr_aton(param, addr))
5383                         return -1;
5384                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
5385                 return 0;
5386         }
5387
5388         if (os_strcmp(cmd, "cross_connect") == 0)
5389                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
5390
5391         if (os_strcmp(cmd, "go_apsd") == 0) {
5392                 if (os_strcmp(param, "disable") == 0)
5393                         wpa_s->set_ap_uapsd = 0;
5394                 else {
5395                         wpa_s->set_ap_uapsd = 1;
5396                         wpa_s->ap_uapsd = atoi(param);
5397                 }
5398                 return 0;
5399         }
5400
5401         if (os_strcmp(cmd, "client_apsd") == 0) {
5402                 if (os_strcmp(param, "disable") == 0)
5403                         wpa_s->set_sta_uapsd = 0;
5404                 else {
5405                         int be, bk, vi, vo;
5406                         char *pos;
5407                         /* format: BE,BK,VI,VO;max SP Length */
5408                         be = atoi(param);
5409                         pos = os_strchr(param, ',');
5410                         if (pos == NULL)
5411                                 return -1;
5412                         pos++;
5413                         bk = atoi(pos);
5414                         pos = os_strchr(pos, ',');
5415                         if (pos == NULL)
5416                                 return -1;
5417                         pos++;
5418                         vi = atoi(pos);
5419                         pos = os_strchr(pos, ',');
5420                         if (pos == NULL)
5421                                 return -1;
5422                         pos++;
5423                         vo = atoi(pos);
5424                         /* ignore max SP Length for now */
5425
5426                         wpa_s->set_sta_uapsd = 1;
5427                         wpa_s->sta_uapsd = 0;
5428                         if (be)
5429                                 wpa_s->sta_uapsd |= BIT(0);
5430                         if (bk)
5431                                 wpa_s->sta_uapsd |= BIT(1);
5432                         if (vi)
5433                                 wpa_s->sta_uapsd |= BIT(2);
5434                         if (vo)
5435                                 wpa_s->sta_uapsd |= BIT(3);
5436                 }
5437                 return 0;
5438         }
5439
5440         if (os_strcmp(cmd, "disallow_freq") == 0)
5441                 return p2p_ctrl_disallow_freq(wpa_s, param);
5442
5443         if (os_strcmp(cmd, "disc_int") == 0) {
5444                 int min_disc_int, max_disc_int, max_disc_tu;
5445                 char *pos;
5446
5447                 pos = param;
5448
5449                 min_disc_int = atoi(pos);
5450                 pos = os_strchr(pos, ' ');
5451                 if (pos == NULL)
5452                         return -1;
5453                 *pos++ = '\0';
5454
5455                 max_disc_int = atoi(pos);
5456                 pos = os_strchr(pos, ' ');
5457                 if (pos == NULL)
5458                         return -1;
5459                 *pos++ = '\0';
5460
5461                 max_disc_tu = atoi(pos);
5462
5463                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
5464                                         max_disc_int, max_disc_tu);
5465         }
5466
5467         if (os_strcmp(cmd, "per_sta_psk") == 0) {
5468                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
5469                 return 0;
5470         }
5471
5472 #ifdef CONFIG_WPS_NFC
5473         if (os_strcmp(cmd, "nfc_tag") == 0)
5474                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
5475 #endif /* CONFIG_WPS_NFC */
5476
5477         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
5478                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
5479                 return 0;
5480         }
5481
5482         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
5483                    cmd);
5484
5485         return -1;
5486 }
5487
5488
5489 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
5490 {
5491         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5492         wpa_s->force_long_sd = 0;
5493         wpas_p2p_stop_find(wpa_s);
5494         if (wpa_s->global->p2p)
5495                 p2p_flush(wpa_s->global->p2p);
5496 }
5497
5498
5499 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
5500 {
5501         char *pos, *pos2;
5502         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
5503
5504         if (cmd[0]) {
5505                 pos = os_strchr(cmd, ' ');
5506                 if (pos == NULL)
5507                         return -1;
5508                 *pos++ = '\0';
5509                 dur1 = atoi(cmd);
5510
5511                 pos2 = os_strchr(pos, ' ');
5512                 if (pos2)
5513                         *pos2++ = '\0';
5514                 int1 = atoi(pos);
5515         } else
5516                 pos2 = NULL;
5517
5518         if (pos2) {
5519                 pos = os_strchr(pos2, ' ');
5520                 if (pos == NULL)
5521                         return -1;
5522                 *pos++ = '\0';
5523                 dur2 = atoi(pos2);
5524                 int2 = atoi(pos);
5525         }
5526
5527         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
5528 }
5529
5530
5531 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
5532 {
5533         char *pos;
5534         unsigned int period = 0, interval = 0;
5535
5536         if (cmd[0]) {
5537                 pos = os_strchr(cmd, ' ');
5538                 if (pos == NULL)
5539                         return -1;
5540                 *pos++ = '\0';
5541                 period = atoi(cmd);
5542                 interval = atoi(pos);
5543         }
5544
5545         return wpas_p2p_ext_listen(wpa_s, period, interval);
5546 }
5547
5548
5549 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
5550 {
5551         const char *pos;
5552         u8 peer[ETH_ALEN];
5553         int iface_addr = 0;
5554
5555         pos = cmd;
5556         if (os_strncmp(pos, "iface=", 6) == 0) {
5557                 iface_addr = 1;
5558                 pos += 6;
5559         }
5560         if (hwaddr_aton(pos, peer))
5561                 return -1;
5562
5563         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
5564         return 0;
5565 }
5566
5567 #endif /* CONFIG_P2P */
5568
5569
5570 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
5571 {
5572         struct wpa_freq_range_list ranges;
5573         int *freqs = NULL;
5574         struct hostapd_hw_modes *mode;
5575         u16 i;
5576
5577         if (wpa_s->hw.modes == NULL)
5578                 return NULL;
5579
5580         os_memset(&ranges, 0, sizeof(ranges));
5581         if (freq_range_list_parse(&ranges, val) < 0)
5582                 return NULL;
5583
5584         for (i = 0; i < wpa_s->hw.num_modes; i++) {
5585                 int j;
5586
5587                 mode = &wpa_s->hw.modes[i];
5588                 for (j = 0; j < mode->num_channels; j++) {
5589                         unsigned int freq;
5590
5591                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
5592                                 continue;
5593
5594                         freq = mode->channels[j].freq;
5595                         if (!freq_range_list_includes(&ranges, freq))
5596                                 continue;
5597
5598                         int_array_add_unique(&freqs, freq);
5599                 }
5600         }
5601
5602         os_free(ranges.range);
5603         return freqs;
5604 }
5605
5606
5607 #ifdef CONFIG_INTERWORKING
5608
5609 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
5610 {
5611         int auto_sel = 0;
5612         int *freqs = NULL;
5613
5614         if (param) {
5615                 char *pos;
5616
5617                 auto_sel = os_strstr(param, "auto") != NULL;
5618
5619                 pos = os_strstr(param, "freq=");
5620                 if (pos) {
5621                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
5622                         if (freqs == NULL)
5623                                 return -1;
5624                 }
5625
5626         }
5627
5628         return interworking_select(wpa_s, auto_sel, freqs);
5629 }
5630
5631
5632 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
5633 {
5634         u8 bssid[ETH_ALEN];
5635         struct wpa_bss *bss;
5636
5637         if (hwaddr_aton(dst, bssid)) {
5638                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
5639                 return -1;
5640         }
5641
5642         bss = wpa_bss_get_bssid(wpa_s, bssid);
5643         if (bss == NULL) {
5644                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
5645                            MAC2STR(bssid));
5646                 return -1;
5647         }
5648
5649         if (bss->ssid_len == 0) {
5650                 int found = 0;
5651
5652                 wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
5653                            " does not have SSID information", MAC2STR(bssid));
5654
5655                 dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
5656                                          list) {
5657                         if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
5658                             bss->ssid_len > 0) {
5659                                 found = 1;
5660                                 break;
5661                         }
5662                 }
5663
5664                 if (!found)
5665                         return -1;
5666                 wpa_printf(MSG_DEBUG,
5667                            "Found another matching BSS entry with SSID");
5668         }
5669
5670         return interworking_connect(wpa_s, bss);
5671 }
5672
5673
5674 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
5675 {
5676         u8 dst_addr[ETH_ALEN];
5677         int used;
5678         char *pos;
5679 #define MAX_ANQP_INFO_ID 100
5680         u16 id[MAX_ANQP_INFO_ID];
5681         size_t num_id = 0;
5682         u32 subtypes = 0;
5683
5684         used = hwaddr_aton2(dst, dst_addr);
5685         if (used < 0)
5686                 return -1;
5687         pos = dst + used;
5688         if (*pos == ' ')
5689                 pos++;
5690         while (num_id < MAX_ANQP_INFO_ID) {
5691                 if (os_strncmp(pos, "hs20:", 5) == 0) {
5692 #ifdef CONFIG_HS20
5693                         int num = atoi(pos + 5);
5694                         if (num <= 0 || num > 31)
5695                                 return -1;
5696                         subtypes |= BIT(num);
5697 #else /* CONFIG_HS20 */
5698                         return -1;
5699 #endif /* CONFIG_HS20 */
5700                 } else {
5701                         id[num_id] = atoi(pos);
5702                         if (id[num_id])
5703                                 num_id++;
5704                 }
5705                 pos = os_strchr(pos + 1, ',');
5706                 if (pos == NULL)
5707                         break;
5708                 pos++;
5709         }
5710
5711         if (num_id == 0)
5712                 return -1;
5713
5714         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
5715 }
5716
5717
5718 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
5719 {
5720         u8 dst_addr[ETH_ALEN];
5721         struct wpabuf *advproto, *query = NULL;
5722         int used, ret = -1;
5723         char *pos, *end;
5724         size_t len;
5725
5726         used = hwaddr_aton2(cmd, dst_addr);
5727         if (used < 0)
5728                 return -1;
5729
5730         pos = cmd + used;
5731         while (*pos == ' ')
5732                 pos++;
5733
5734         /* Advertisement Protocol ID */
5735         end = os_strchr(pos, ' ');
5736         if (end)
5737                 len = end - pos;
5738         else
5739                 len = os_strlen(pos);
5740         if (len & 0x01)
5741                 return -1;
5742         len /= 2;
5743         if (len == 0)
5744                 return -1;
5745         advproto = wpabuf_alloc(len);
5746         if (advproto == NULL)
5747                 return -1;
5748         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
5749                 goto fail;
5750
5751         if (end) {
5752                 /* Optional Query Request */
5753                 pos = end + 1;
5754                 while (*pos == ' ')
5755                         pos++;
5756
5757                 len = os_strlen(pos);
5758                 if (len) {
5759                         if (len & 0x01)
5760                                 goto fail;
5761                         len /= 2;
5762                         if (len == 0)
5763                                 goto fail;
5764                         query = wpabuf_alloc(len);
5765                         if (query == NULL)
5766                                 goto fail;
5767                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
5768                                 goto fail;
5769                 }
5770         }
5771
5772         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
5773
5774 fail:
5775         wpabuf_free(advproto);
5776         wpabuf_free(query);
5777
5778         return ret;
5779 }
5780
5781
5782 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
5783                             size_t buflen)
5784 {
5785         u8 addr[ETH_ALEN];
5786         int dialog_token;
5787         int used;
5788         char *pos;
5789         size_t resp_len, start, requested_len;
5790         struct wpabuf *resp;
5791         int ret;
5792
5793         used = hwaddr_aton2(cmd, addr);
5794         if (used < 0)
5795                 return -1;
5796
5797         pos = cmd + used;
5798         while (*pos == ' ')
5799                 pos++;
5800         dialog_token = atoi(pos);
5801
5802         if (wpa_s->last_gas_resp &&
5803             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
5804             dialog_token == wpa_s->last_gas_dialog_token)
5805                 resp = wpa_s->last_gas_resp;
5806         else if (wpa_s->prev_gas_resp &&
5807                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
5808                  dialog_token == wpa_s->prev_gas_dialog_token)
5809                 resp = wpa_s->prev_gas_resp;
5810         else
5811                 return -1;
5812
5813         resp_len = wpabuf_len(resp);
5814         start = 0;
5815         requested_len = resp_len;
5816
5817         pos = os_strchr(pos, ' ');
5818         if (pos) {
5819                 start = atoi(pos);
5820                 if (start > resp_len)
5821                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
5822                 pos = os_strchr(pos, ',');
5823                 if (pos == NULL)
5824                         return -1;
5825                 pos++;
5826                 requested_len = atoi(pos);
5827                 if (start + requested_len > resp_len)
5828                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
5829         }
5830
5831         if (requested_len * 2 + 1 > buflen)
5832                 return os_snprintf(buf, buflen, "FAIL-Too long response");
5833
5834         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
5835                                requested_len);
5836
5837         if (start + requested_len == resp_len) {
5838                 /*
5839                  * Free memory by dropping the response after it has been
5840                  * fetched.
5841                  */
5842                 if (resp == wpa_s->prev_gas_resp) {
5843                         wpabuf_free(wpa_s->prev_gas_resp);
5844                         wpa_s->prev_gas_resp = NULL;
5845                 } else {
5846                         wpabuf_free(wpa_s->last_gas_resp);
5847                         wpa_s->last_gas_resp = NULL;
5848                 }
5849         }
5850
5851         return ret;
5852 }
5853 #endif /* CONFIG_INTERWORKING */
5854
5855
5856 #ifdef CONFIG_HS20
5857
5858 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
5859 {
5860         u8 dst_addr[ETH_ALEN];
5861         int used;
5862         char *pos;
5863         u32 subtypes = 0;
5864
5865         used = hwaddr_aton2(dst, dst_addr);
5866         if (used < 0)
5867                 return -1;
5868         pos = dst + used;
5869         if (*pos == ' ')
5870                 pos++;
5871         for (;;) {
5872                 int num = atoi(pos);
5873                 if (num <= 0 || num > 31)
5874                         return -1;
5875                 subtypes |= BIT(num);
5876                 pos = os_strchr(pos + 1, ',');
5877                 if (pos == NULL)
5878                         break;
5879                 pos++;
5880         }
5881
5882         if (subtypes == 0)
5883                 return -1;
5884
5885         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
5886 }
5887
5888
5889 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5890                                     const u8 *addr, const char *realm)
5891 {
5892         u8 *buf;
5893         size_t rlen, len;
5894         int ret;
5895
5896         rlen = os_strlen(realm);
5897         len = 3 + rlen;
5898         buf = os_malloc(len);
5899         if (buf == NULL)
5900                 return -1;
5901         buf[0] = 1; /* NAI Home Realm Count */
5902         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
5903         buf[2] = rlen;
5904         os_memcpy(buf + 3, realm, rlen);
5905
5906         ret = hs20_anqp_send_req(wpa_s, addr,
5907                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5908                                  buf, len);
5909
5910         os_free(buf);
5911
5912         return ret;
5913 }
5914
5915
5916 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5917                                         char *dst)
5918 {
5919         struct wpa_cred *cred = wpa_s->conf->cred;
5920         u8 dst_addr[ETH_ALEN];
5921         int used;
5922         u8 *buf;
5923         size_t len;
5924         int ret;
5925
5926         used = hwaddr_aton2(dst, dst_addr);
5927         if (used < 0)
5928                 return -1;
5929
5930         while (dst[used] == ' ')
5931                 used++;
5932         if (os_strncmp(dst + used, "realm=", 6) == 0)
5933                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
5934                                                 dst + used + 6);
5935
5936         len = os_strlen(dst + used);
5937
5938         if (len == 0 && cred && cred->realm)
5939                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
5940
5941         if (len & 1)
5942                 return -1;
5943         len /= 2;
5944         buf = os_malloc(len);
5945         if (buf == NULL)
5946                 return -1;
5947         if (hexstr2bin(dst + used, buf, len) < 0) {
5948                 os_free(buf);
5949                 return -1;
5950         }
5951
5952         ret = hs20_anqp_send_req(wpa_s, dst_addr,
5953                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5954                                  buf, len);
5955         os_free(buf);
5956
5957         return ret;
5958 }
5959
5960
5961 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
5962 {
5963         u8 dst_addr[ETH_ALEN];
5964         int used;
5965         char *icon;
5966
5967         used = hwaddr_aton2(cmd, dst_addr);
5968         if (used < 0)
5969                 return -1;
5970
5971         while (cmd[used] == ' ')
5972                 used++;
5973         icon = &cmd[used];
5974
5975         wpa_s->fetch_osu_icon_in_progress = 0;
5976         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
5977                                   (u8 *) icon, os_strlen(icon));
5978 }
5979
5980 #endif /* CONFIG_HS20 */
5981
5982
5983 #ifdef CONFIG_AUTOSCAN
5984
5985 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
5986                                               char *cmd)
5987 {
5988         enum wpa_states state = wpa_s->wpa_state;
5989         char *new_params = NULL;
5990
5991         if (os_strlen(cmd) > 0) {
5992                 new_params = os_strdup(cmd);
5993                 if (new_params == NULL)
5994                         return -1;
5995         }
5996
5997         os_free(wpa_s->conf->autoscan);
5998         wpa_s->conf->autoscan = new_params;
5999
6000         if (wpa_s->conf->autoscan == NULL)
6001                 autoscan_deinit(wpa_s);
6002         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
6003                 autoscan_init(wpa_s, 1);
6004         else if (state == WPA_SCANNING)
6005                 wpa_supplicant_reinit_autoscan(wpa_s);
6006
6007         return 0;
6008 }
6009
6010 #endif /* CONFIG_AUTOSCAN */
6011
6012
6013 #ifdef CONFIG_WNM
6014
6015 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
6016 {
6017         int enter;
6018         int intval = 0;
6019         char *pos;
6020         int ret;
6021         struct wpabuf *tfs_req = NULL;
6022
6023         if (os_strncmp(cmd, "enter", 5) == 0)
6024                 enter = 1;
6025         else if (os_strncmp(cmd, "exit", 4) == 0)
6026                 enter = 0;
6027         else
6028                 return -1;
6029
6030         pos = os_strstr(cmd, " interval=");
6031         if (pos)
6032                 intval = atoi(pos + 10);
6033
6034         pos = os_strstr(cmd, " tfs_req=");
6035         if (pos) {
6036                 char *end;
6037                 size_t len;
6038                 pos += 9;
6039                 end = os_strchr(pos, ' ');
6040                 if (end)
6041                         len = end - pos;
6042                 else
6043                         len = os_strlen(pos);
6044                 if (len & 1)
6045                         return -1;
6046                 len /= 2;
6047                 tfs_req = wpabuf_alloc(len);
6048                 if (tfs_req == NULL)
6049                         return -1;
6050                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
6051                         wpabuf_free(tfs_req);
6052                         return -1;
6053                 }
6054         }
6055
6056         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
6057                                            WNM_SLEEP_MODE_EXIT, intval,
6058                                            tfs_req);
6059         wpabuf_free(tfs_req);
6060
6061         return ret;
6062 }
6063
6064
6065 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
6066 {
6067         int query_reason;
6068
6069         query_reason = atoi(cmd);
6070
6071         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
6072                    query_reason);
6073
6074         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
6075 }
6076
6077 #endif /* CONFIG_WNM */
6078
6079
6080 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
6081                                       size_t buflen)
6082 {
6083         struct wpa_signal_info si;
6084         int ret;
6085         char *pos, *end;
6086
6087         ret = wpa_drv_signal_poll(wpa_s, &si);
6088         if (ret)
6089                 return -1;
6090
6091         pos = buf;
6092         end = buf + buflen;
6093
6094         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
6095                           "NOISE=%d\nFREQUENCY=%u\n",
6096                           si.current_signal, si.current_txrate / 1000,
6097                           si.current_noise, si.frequency);
6098         if (os_snprintf_error(end - pos, ret))
6099                 return -1;
6100         pos += ret;
6101
6102         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
6103                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
6104                                   channel_width_to_string(si.chanwidth));
6105                 if (os_snprintf_error(end - pos, ret))
6106                         return -1;
6107                 pos += ret;
6108         }
6109
6110         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
6111                 ret = os_snprintf(pos, end - pos,
6112                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
6113                                   si.center_frq1, si.center_frq2);
6114                 if (os_snprintf_error(end - pos, ret))
6115                         return -1;
6116                 pos += ret;
6117         }
6118
6119         if (si.avg_signal) {
6120                 ret = os_snprintf(pos, end - pos,
6121                                   "AVG_RSSI=%d\n", si.avg_signal);
6122                 if (os_snprintf_error(end - pos, ret))
6123                         return -1;
6124                 pos += ret;
6125         }
6126
6127         return pos - buf;
6128 }
6129
6130
6131 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
6132                                       size_t buflen)
6133 {
6134         struct hostap_sta_driver_data sta;
6135         int ret;
6136
6137         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
6138         if (ret)
6139                 return -1;
6140
6141         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
6142                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
6143         if (os_snprintf_error(buflen, ret))
6144                 return -1;
6145         return ret;
6146 }
6147
6148
6149 #ifdef ANDROID
6150 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6151                                      char *buf, size_t buflen)
6152 {
6153         int ret;
6154
6155         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
6156         if (ret == 0) {
6157                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
6158                         struct p2p_data *p2p = wpa_s->global->p2p;
6159                         if (p2p) {
6160                                 char country[3];
6161                                 country[0] = cmd[8];
6162                                 country[1] = cmd[9];
6163                                 country[2] = 0x04;
6164                                 p2p_set_country(p2p, country);
6165                         }
6166                 }
6167                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
6168                 if (os_snprintf_error(buflen, ret))
6169                         ret = -1;
6170         }
6171         return ret;
6172 }
6173 #endif /* ANDROID */
6174
6175
6176 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6177                                      char *buf, size_t buflen)
6178 {
6179         int ret;
6180         char *pos;
6181         u8 *data = NULL;
6182         unsigned int vendor_id, subcmd;
6183         struct wpabuf *reply;
6184         size_t data_len = 0;
6185
6186         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
6187         vendor_id = strtoul(cmd, &pos, 16);
6188         if (!isblank(*pos))
6189                 return -EINVAL;
6190
6191         subcmd = strtoul(pos, &pos, 10);
6192
6193         if (*pos != '\0') {
6194                 if (!isblank(*pos++))
6195                         return -EINVAL;
6196                 data_len = os_strlen(pos);
6197         }
6198
6199         if (data_len) {
6200                 data_len /= 2;
6201                 data = os_malloc(data_len);
6202                 if (!data)
6203                         return -1;
6204
6205                 if (hexstr2bin(pos, data, data_len)) {
6206                         wpa_printf(MSG_DEBUG,
6207                                    "Vendor command: wrong parameter format");
6208                         os_free(data);
6209                         return -EINVAL;
6210                 }
6211         }
6212
6213         reply = wpabuf_alloc((buflen - 1) / 2);
6214         if (!reply) {
6215                 os_free(data);
6216                 return -1;
6217         }
6218
6219         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
6220                                  reply);
6221
6222         if (ret == 0)
6223                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
6224                                        wpabuf_len(reply));
6225
6226         wpabuf_free(reply);
6227         os_free(data);
6228
6229         return ret;
6230 }
6231
6232
6233 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
6234 {
6235 #ifdef CONFIG_P2P
6236         struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
6237                 wpa_s->global->p2p_init_wpa_s : wpa_s;
6238 #endif /* CONFIG_P2P */
6239
6240         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
6241
6242 #ifdef CONFIG_P2P
6243         wpas_p2p_cancel(p2p_wpa_s);
6244         p2p_ctrl_flush(p2p_wpa_s);
6245         wpas_p2p_group_remove(p2p_wpa_s, "*");
6246         wpas_p2p_service_flush(p2p_wpa_s);
6247         p2p_wpa_s->global->p2p_disabled = 0;
6248         p2p_wpa_s->global->p2p_per_sta_psk = 0;
6249         p2p_wpa_s->conf->num_sec_device_types = 0;
6250         p2p_wpa_s->p2p_disable_ip_addr_req = 0;
6251         os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
6252         p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
6253 #endif /* CONFIG_P2P */
6254
6255 #ifdef CONFIG_WPS_TESTING
6256         wps_version_number = 0x20;
6257         wps_testing_dummy_cred = 0;
6258         wps_corrupt_pkhash = 0;
6259 #endif /* CONFIG_WPS_TESTING */
6260 #ifdef CONFIG_WPS
6261         wpa_s->wps_fragment_size = 0;
6262         wpas_wps_cancel(wpa_s);
6263         wps_registrar_flush(wpa_s->wps->registrar);
6264 #endif /* CONFIG_WPS */
6265         wpa_s->after_wps = 0;
6266         wpa_s->known_wps_freq = 0;
6267
6268 #ifdef CONFIG_TDLS
6269 #ifdef CONFIG_TDLS_TESTING
6270         extern unsigned int tdls_testing;
6271         tdls_testing = 0;
6272 #endif /* CONFIG_TDLS_TESTING */
6273         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
6274         wpa_tdls_enable(wpa_s->wpa, 1);
6275 #endif /* CONFIG_TDLS */
6276
6277         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
6278         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
6279
6280         wpa_s->no_keep_alive = 0;
6281
6282         os_free(wpa_s->disallow_aps_bssid);
6283         wpa_s->disallow_aps_bssid = NULL;
6284         wpa_s->disallow_aps_bssid_count = 0;
6285         os_free(wpa_s->disallow_aps_ssid);
6286         wpa_s->disallow_aps_ssid = NULL;
6287         wpa_s->disallow_aps_ssid_count = 0;
6288
6289         wpa_s->set_sta_uapsd = 0;
6290         wpa_s->sta_uapsd = 0;
6291
6292         wpa_drv_radio_disable(wpa_s, 0);
6293         wpa_blacklist_clear(wpa_s);
6294         wpa_s->extra_blacklist_count = 0;
6295         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
6296         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
6297         wpa_config_flush_blobs(wpa_s->conf);
6298         wpa_s->conf->auto_interworking = 0;
6299         wpa_s->conf->okc = 0;
6300
6301         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
6302         rsn_preauth_deinit(wpa_s->wpa);
6303
6304         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
6305         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
6306         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
6307         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
6308
6309         radio_remove_works(wpa_s, NULL, 1);
6310         wpa_s->ext_work_in_progress = 0;
6311
6312         wpa_s->next_ssid = NULL;
6313
6314 #ifdef CONFIG_INTERWORKING
6315         hs20_cancel_fetch_osu(wpa_s);
6316 #endif /* CONFIG_INTERWORKING */
6317
6318         wpa_s->ext_mgmt_frame_handling = 0;
6319         wpa_s->ext_eapol_frame_io = 0;
6320 #ifdef CONFIG_TESTING_OPTIONS
6321         wpa_s->extra_roc_dur = 0;
6322         wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
6323 #endif /* CONFIG_TESTING_OPTIONS */
6324
6325         wpa_s->disconnected = 0;
6326         os_free(wpa_s->next_scan_freqs);
6327         wpa_s->next_scan_freqs = NULL;
6328
6329         wpa_bss_flush(wpa_s);
6330         if (!dl_list_empty(&wpa_s->bss)) {
6331                 wpa_printf(MSG_DEBUG,
6332                            "BSS table not empty after flush: %u entries, current_bss=%p bssid="
6333                            MACSTR " pending_bssid=" MACSTR,
6334                            dl_list_len(&wpa_s->bss), wpa_s->current_bss,
6335                            MAC2STR(wpa_s->bssid),
6336                            MAC2STR(wpa_s->pending_bssid));
6337         }
6338 }
6339
6340
6341 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
6342                                      char *buf, size_t buflen)
6343 {
6344         struct wpa_radio_work *work;
6345         char *pos, *end;
6346         struct os_reltime now, diff;
6347
6348         pos = buf;
6349         end = buf + buflen;
6350
6351         os_get_reltime(&now);
6352
6353         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6354         {
6355                 int ret;
6356
6357                 os_reltime_sub(&now, &work->time, &diff);
6358                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
6359                                   work->type, work->wpa_s->ifname, work->freq,
6360                                   work->started, diff.sec, diff.usec);
6361                 if (os_snprintf_error(end - pos, ret))
6362                         break;
6363                 pos += ret;
6364         }
6365
6366         return pos - buf;
6367 }
6368
6369
6370 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
6371 {
6372         struct wpa_radio_work *work = eloop_ctx;
6373         struct wpa_external_work *ework = work->ctx;
6374
6375         wpa_dbg(work->wpa_s, MSG_DEBUG,
6376                 "Timing out external radio work %u (%s)",
6377                 ework->id, work->type);
6378         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
6379         work->wpa_s->ext_work_in_progress = 0;
6380         radio_work_done(work);
6381         os_free(ework);
6382 }
6383
6384
6385 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
6386 {
6387         struct wpa_external_work *ework = work->ctx;
6388
6389         if (deinit) {
6390                 if (work->started)
6391                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6392                                              work, NULL);
6393
6394                 os_free(ework);
6395                 return;
6396         }
6397
6398         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
6399                 ework->id, ework->type);
6400         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
6401         work->wpa_s->ext_work_in_progress = 1;
6402         if (!ework->timeout)
6403                 ework->timeout = 10;
6404         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
6405                                work, NULL);
6406 }
6407
6408
6409 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
6410                                     char *buf, size_t buflen)
6411 {
6412         struct wpa_external_work *ework;
6413         char *pos, *pos2;
6414         size_t type_len;
6415         int ret;
6416         unsigned int freq = 0;
6417
6418         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
6419
6420         ework = os_zalloc(sizeof(*ework));
6421         if (ework == NULL)
6422                 return -1;
6423
6424         pos = os_strchr(cmd, ' ');
6425         if (pos) {
6426                 type_len = pos - cmd;
6427                 pos++;
6428
6429                 pos2 = os_strstr(pos, "freq=");
6430                 if (pos2)
6431                         freq = atoi(pos2 + 5);
6432
6433                 pos2 = os_strstr(pos, "timeout=");
6434                 if (pos2)
6435                         ework->timeout = atoi(pos2 + 8);
6436         } else {
6437                 type_len = os_strlen(cmd);
6438         }
6439         if (4 + type_len >= sizeof(ework->type))
6440                 type_len = sizeof(ework->type) - 4 - 1;
6441         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
6442         os_memcpy(ework->type + 4, cmd, type_len);
6443         ework->type[4 + type_len] = '\0';
6444
6445         wpa_s->ext_work_id++;
6446         if (wpa_s->ext_work_id == 0)
6447                 wpa_s->ext_work_id++;
6448         ework->id = wpa_s->ext_work_id;
6449
6450         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
6451                            ework) < 0) {
6452                 os_free(ework);
6453                 return -1;
6454         }
6455
6456         ret = os_snprintf(buf, buflen, "%u", ework->id);
6457         if (os_snprintf_error(buflen, ret))
6458                 return -1;
6459         return ret;
6460 }
6461
6462
6463 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
6464 {
6465         struct wpa_radio_work *work;
6466         unsigned int id = atoi(cmd);
6467
6468         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6469         {
6470                 struct wpa_external_work *ework;
6471
6472                 if (os_strncmp(work->type, "ext:", 4) != 0)
6473                         continue;
6474                 ework = work->ctx;
6475                 if (id && ework->id != id)
6476                         continue;
6477                 wpa_dbg(wpa_s, MSG_DEBUG,
6478                         "Completed external radio work %u (%s)",
6479                         ework->id, ework->type);
6480                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
6481                 wpa_s->ext_work_in_progress = 0;
6482                 radio_work_done(work);
6483                 os_free(ework);
6484                 return 3; /* "OK\n" */
6485         }
6486
6487         return -1;
6488 }
6489
6490
6491 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
6492                                 char *buf, size_t buflen)
6493 {
6494         if (os_strcmp(cmd, "show") == 0)
6495                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
6496         if (os_strncmp(cmd, "add ", 4) == 0)
6497                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
6498         if (os_strncmp(cmd, "done ", 5) == 0)
6499                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
6500         return -1;
6501 }
6502
6503
6504 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
6505 {
6506         struct wpa_radio_work *work, *tmp;
6507
6508         if (!wpa_s || !wpa_s->radio)
6509                 return;
6510
6511         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
6512                               struct wpa_radio_work, list) {
6513                 struct wpa_external_work *ework;
6514
6515                 if (os_strncmp(work->type, "ext:", 4) != 0)
6516                         continue;
6517                 ework = work->ctx;
6518                 wpa_dbg(wpa_s, MSG_DEBUG,
6519                         "Flushing%s external radio work %u (%s)",
6520                         work->started ? " started" : "", ework->id,
6521                         ework->type);
6522                 if (work->started)
6523                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6524                                              work, NULL);
6525                 radio_work_done(work);
6526                 os_free(ework);
6527         }
6528 }
6529
6530
6531 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
6532 {
6533         struct wpa_supplicant *wpa_s = eloop_ctx;
6534         eapol_sm_notify_ctrl_response(wpa_s->eapol);
6535 }
6536
6537
6538 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
6539                               unsigned int *scan_id_count, int scan_id[])
6540 {
6541         const char *pos = value;
6542
6543         while (pos) {
6544                 if (*pos == ' ' || *pos == '\0')
6545                         break;
6546                 if (*scan_id_count == MAX_SCAN_ID)
6547                         return -1;
6548                 scan_id[(*scan_id_count)++] = atoi(pos);
6549                 pos = os_strchr(pos, ',');
6550                 if (pos)
6551                         pos++;
6552         }
6553
6554         return 0;
6555 }
6556
6557
6558 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
6559                            char *reply, int reply_size, int *reply_len)
6560 {
6561         char *pos;
6562         unsigned int manual_scan_passive = 0;
6563         unsigned int manual_scan_use_id = 0;
6564         unsigned int manual_scan_only_new = 0;
6565         unsigned int scan_only = 0;
6566         unsigned int scan_id_count = 0;
6567         int scan_id[MAX_SCAN_ID];
6568         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
6569                                  struct wpa_scan_results *scan_res);
6570         int *manual_scan_freqs = NULL;
6571
6572         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
6573                 *reply_len = -1;
6574                 return;
6575         }
6576
6577         if (radio_work_pending(wpa_s, "scan")) {
6578                 wpa_printf(MSG_DEBUG,
6579                            "Pending scan scheduled - reject new request");
6580                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
6581                 return;
6582         }
6583
6584         if (params) {
6585                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
6586                         scan_only = 1;
6587
6588                 pos = os_strstr(params, "freq=");
6589                 if (pos) {
6590                         manual_scan_freqs = freq_range_to_channel_list(wpa_s,
6591                                                                        pos + 5);
6592                         if (manual_scan_freqs == NULL) {
6593                                 *reply_len = -1;
6594                                 goto done;
6595                         }
6596                 }
6597
6598                 pos = os_strstr(params, "passive=");
6599                 if (pos)
6600                         manual_scan_passive = !!atoi(pos + 8);
6601
6602                 pos = os_strstr(params, "use_id=");
6603                 if (pos)
6604                         manual_scan_use_id = atoi(pos + 7);
6605
6606                 pos = os_strstr(params, "only_new=1");
6607                 if (pos)
6608                         manual_scan_only_new = 1;
6609
6610                 pos = os_strstr(params, "scan_id=");
6611                 if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
6612                                               scan_id) < 0) {
6613                         *reply_len = -1;
6614                         goto done;
6615                 }
6616         }
6617
6618         if (scan_only)
6619                 scan_res_handler = scan_only_handler;
6620         else if (wpa_s->scan_res_handler == scan_only_handler)
6621                 scan_res_handler = NULL;
6622         else
6623                 scan_res_handler = wpa_s->scan_res_handler;
6624
6625         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
6626             ((wpa_s->wpa_state <= WPA_SCANNING) ||
6627              (wpa_s->wpa_state == WPA_COMPLETED))) {
6628                 wpa_s->manual_scan_passive = manual_scan_passive;
6629                 wpa_s->manual_scan_use_id = manual_scan_use_id;
6630                 wpa_s->manual_scan_only_new = manual_scan_only_new;
6631                 wpa_s->scan_id_count = scan_id_count;
6632                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
6633                 wpa_s->scan_res_handler = scan_res_handler;
6634                 os_free(wpa_s->manual_scan_freqs);
6635                 wpa_s->manual_scan_freqs = manual_scan_freqs;
6636                 manual_scan_freqs = NULL;
6637
6638                 wpa_s->normal_scans = 0;
6639                 wpa_s->scan_req = MANUAL_SCAN_REQ;
6640                 wpa_s->after_wps = 0;
6641                 wpa_s->known_wps_freq = 0;
6642                 wpa_supplicant_req_scan(wpa_s, 0, 0);
6643                 if (wpa_s->manual_scan_use_id) {
6644                         wpa_s->manual_scan_id++;
6645                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
6646                                 wpa_s->manual_scan_id);
6647                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
6648                                                  wpa_s->manual_scan_id);
6649                 }
6650         } else if (wpa_s->sched_scanning) {
6651                 wpa_s->manual_scan_passive = manual_scan_passive;
6652                 wpa_s->manual_scan_use_id = manual_scan_use_id;
6653                 wpa_s->manual_scan_only_new = manual_scan_only_new;
6654                 wpa_s->scan_id_count = scan_id_count;
6655                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
6656                 wpa_s->scan_res_handler = scan_res_handler;
6657                 os_free(wpa_s->manual_scan_freqs);
6658                 wpa_s->manual_scan_freqs = manual_scan_freqs;
6659                 manual_scan_freqs = NULL;
6660
6661                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
6662                 wpa_supplicant_cancel_sched_scan(wpa_s);
6663                 wpa_s->scan_req = MANUAL_SCAN_REQ;
6664                 wpa_supplicant_req_scan(wpa_s, 0, 0);
6665                 if (wpa_s->manual_scan_use_id) {
6666                         wpa_s->manual_scan_id++;
6667                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
6668                                                  wpa_s->manual_scan_id);
6669                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
6670                                 wpa_s->manual_scan_id);
6671                 }
6672         } else {
6673                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
6674                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
6675         }
6676
6677 done:
6678         os_free(manual_scan_freqs);
6679 }
6680
6681
6682 #ifdef CONFIG_TESTING_OPTIONS
6683
6684 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
6685                                        unsigned int freq, const u8 *dst,
6686                                        const u8 *src, const u8 *bssid,
6687                                        const u8 *data, size_t data_len,
6688                                        enum offchannel_send_action_result
6689                                        result)
6690 {
6691         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
6692                 " src=" MACSTR " bssid=" MACSTR " result=%s",
6693                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
6694                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
6695                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
6696                              "NO_ACK" : "FAILED"));
6697 }
6698
6699
6700 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
6701 {
6702         char *pos, *param;
6703         size_t len;
6704         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
6705         int res, used;
6706         int freq = 0, no_cck = 0, wait_time = 0;
6707
6708         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
6709          *    <action=Action frame payload> */
6710
6711         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
6712
6713         pos = cmd;
6714         used = hwaddr_aton2(pos, da);
6715         if (used < 0)
6716                 return -1;
6717         pos += used;
6718         while (*pos == ' ')
6719                 pos++;
6720         used = hwaddr_aton2(pos, bssid);
6721         if (used < 0)
6722                 return -1;
6723         pos += used;
6724
6725         param = os_strstr(pos, " freq=");
6726         if (param) {
6727                 param += 6;
6728                 freq = atoi(param);
6729         }
6730
6731         param = os_strstr(pos, " no_cck=");
6732         if (param) {
6733                 param += 8;
6734                 no_cck = atoi(param);
6735         }
6736
6737         param = os_strstr(pos, " wait_time=");
6738         if (param) {
6739                 param += 11;
6740                 wait_time = atoi(param);
6741         }
6742
6743         param = os_strstr(pos, " action=");
6744         if (param == NULL)
6745                 return -1;
6746         param += 8;
6747
6748         len = os_strlen(param);
6749         if (len & 1)
6750                 return -1;
6751         len /= 2;
6752
6753         buf = os_malloc(len);
6754         if (buf == NULL)
6755                 return -1;
6756
6757         if (hexstr2bin(param, buf, len) < 0) {
6758                 os_free(buf);
6759                 return -1;
6760         }
6761
6762         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
6763                                      buf, len, wait_time,
6764                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
6765         os_free(buf);
6766         return res;
6767 }
6768
6769
6770 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
6771 {
6772         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
6773         offchannel_send_action_done(wpa_s);
6774 }
6775
6776
6777 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
6778 {
6779         char *pos, *param;
6780         union wpa_event_data event;
6781         enum wpa_event_type ev;
6782
6783         /* <event name> [parameters..] */
6784
6785         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
6786
6787         pos = cmd;
6788         param = os_strchr(pos, ' ');
6789         if (param)
6790                 *param++ = '\0';
6791
6792         os_memset(&event, 0, sizeof(event));
6793
6794         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
6795                 ev = EVENT_INTERFACE_ENABLED;
6796         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
6797                 ev = EVENT_INTERFACE_DISABLED;
6798         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
6799                 ev = EVENT_AVOID_FREQUENCIES;
6800                 if (param == NULL)
6801                         param = "";
6802                 if (freq_range_list_parse(&event.freq_range, param) < 0)
6803                         return -1;
6804                 wpa_supplicant_event(wpa_s, ev, &event);
6805                 os_free(event.freq_range.range);
6806                 return 0;
6807         } else {
6808                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
6809                         cmd);
6810                 return -1;
6811         }
6812
6813         wpa_supplicant_event(wpa_s, ev, &event);
6814
6815         return 0;
6816 }
6817
6818
6819 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
6820 {
6821         char *pos;
6822         u8 src[ETH_ALEN], *buf;
6823         int used;
6824         size_t len;
6825
6826         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
6827
6828         pos = cmd;
6829         used = hwaddr_aton2(pos, src);
6830         if (used < 0)
6831                 return -1;
6832         pos += used;
6833         while (*pos == ' ')
6834                 pos++;
6835
6836         len = os_strlen(pos);
6837         if (len & 1)
6838                 return -1;
6839         len /= 2;
6840
6841         buf = os_malloc(len);
6842         if (buf == NULL)
6843                 return -1;
6844
6845         if (hexstr2bin(pos, buf, len) < 0) {
6846                 os_free(buf);
6847                 return -1;
6848         }
6849
6850         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
6851         os_free(buf);
6852
6853         return 0;
6854 }
6855
6856
6857 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
6858 {
6859         size_t i;
6860         u32 sum = 0;
6861         const u16 *pos = buf;
6862
6863         for (i = 0; i < len / 2; i++)
6864                 sum += *pos++;
6865
6866         while (sum >> 16)
6867                 sum = (sum & 0xffff) + (sum >> 16);
6868
6869         return sum ^ 0xffff;
6870 }
6871
6872
6873 #define HWSIM_PACKETLEN 1500
6874 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
6875
6876 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
6877 {
6878         struct wpa_supplicant *wpa_s = ctx;
6879         const struct ether_header *eth;
6880         const struct iphdr *ip;
6881         const u8 *pos;
6882         unsigned int i;
6883
6884         if (len != HWSIM_PACKETLEN)
6885                 return;
6886
6887         eth = (const struct ether_header *) buf;
6888         ip = (const struct iphdr *) (eth + 1);
6889         pos = (const u8 *) (ip + 1);
6890
6891         if (ip->ihl != 5 || ip->version != 4 ||
6892             ntohs(ip->tot_len) != HWSIM_IP_LEN)
6893                 return;
6894
6895         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++) {
6896                 if (*pos != (u8) i)
6897                         return;
6898                 pos++;
6899         }
6900
6901         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
6902                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
6903 }
6904
6905
6906 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
6907                                             char *cmd)
6908 {
6909         int enabled = atoi(cmd);
6910
6911         if (!enabled) {
6912                 if (wpa_s->l2_test) {
6913                         l2_packet_deinit(wpa_s->l2_test);
6914                         wpa_s->l2_test = NULL;
6915                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
6916                 }
6917                 return 0;
6918         }
6919
6920         if (wpa_s->l2_test)
6921                 return 0;
6922
6923         wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
6924                                         ETHERTYPE_IP, wpas_data_test_rx,
6925                                         wpa_s, 1);
6926         if (wpa_s->l2_test == NULL)
6927                 return -1;
6928
6929         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
6930
6931         return 0;
6932 }
6933
6934
6935 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
6936 {
6937         u8 dst[ETH_ALEN], src[ETH_ALEN];
6938         char *pos;
6939         int used;
6940         long int val;
6941         u8 tos;
6942         u8 buf[HWSIM_PACKETLEN];
6943         struct ether_header *eth;
6944         struct iphdr *ip;
6945         u8 *dpos;
6946         unsigned int i;
6947
6948         if (wpa_s->l2_test == NULL)
6949                 return -1;
6950
6951         /* format: <dst> <src> <tos> */
6952
6953         pos = cmd;
6954         used = hwaddr_aton2(pos, dst);
6955         if (used < 0)
6956                 return -1;
6957         pos += used;
6958         while (*pos == ' ')
6959                 pos++;
6960         used = hwaddr_aton2(pos, src);
6961         if (used < 0)
6962                 return -1;
6963         pos += used;
6964
6965         val = strtol(pos, NULL, 0);
6966         if (val < 0 || val > 0xff)
6967                 return -1;
6968         tos = val;
6969
6970         eth = (struct ether_header *) buf;
6971         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
6972         os_memcpy(eth->ether_shost, src, ETH_ALEN);
6973         eth->ether_type = htons(ETHERTYPE_IP);
6974         ip = (struct iphdr *) (eth + 1);
6975         os_memset(ip, 0, sizeof(*ip));
6976         ip->ihl = 5;
6977         ip->version = 4;
6978         ip->ttl = 64;
6979         ip->tos = tos;
6980         ip->tot_len = htons(HWSIM_IP_LEN);
6981         ip->protocol = 1;
6982         ip->saddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 1);
6983         ip->daddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 2);
6984         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
6985         dpos = (u8 *) (ip + 1);
6986         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
6987                 *dpos++ = i;
6988
6989         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, buf,
6990                            HWSIM_PACKETLEN) < 0)
6991                 return -1;
6992
6993         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
6994                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
6995
6996         return 0;
6997 }
6998
6999
7000 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
7001                                            char *cmd)
7002 {
7003         u8 *buf;
7004         struct ether_header *eth;
7005         struct l2_packet_data *l2 = NULL;
7006         size_t len;
7007         u16 ethertype;
7008         int res = -1;
7009
7010         len = os_strlen(cmd);
7011         if (len & 1 || len < ETH_HLEN * 2)
7012                 return -1;
7013         len /= 2;
7014
7015         buf = os_malloc(len);
7016         if (buf == NULL)
7017                 return -1;
7018
7019         if (hexstr2bin(cmd, buf, len) < 0)
7020                 goto done;
7021
7022         eth = (struct ether_header *) buf;
7023         ethertype = ntohs(eth->ether_type);
7024
7025         l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
7026                             wpas_data_test_rx, wpa_s, 1);
7027         if (l2 == NULL)
7028                 goto done;
7029
7030         res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
7031         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
7032 done:
7033         if (l2)
7034                 l2_packet_deinit(l2);
7035         os_free(buf);
7036
7037         return res < 0 ? -1 : 0;
7038 }
7039
7040
7041 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
7042 {
7043 #ifdef WPA_TRACE_BFD
7044         extern char wpa_trace_fail_func[256];
7045         extern unsigned int wpa_trace_fail_after;
7046         char *pos;
7047
7048         wpa_trace_fail_after = atoi(cmd);
7049         pos = os_strchr(cmd, ':');
7050         if (pos) {
7051                 pos++;
7052                 os_strlcpy(wpa_trace_fail_func, pos,
7053                            sizeof(wpa_trace_fail_func));
7054         } else {
7055                 wpa_trace_fail_after = 0;
7056         }
7057         return 0;
7058 #else /* WPA_TRACE_BFD */
7059         return -1;
7060 #endif /* WPA_TRACE_BFD */
7061 }
7062
7063
7064 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
7065                                     char *buf, size_t buflen)
7066 {
7067 #ifdef WPA_TRACE_BFD
7068         extern char wpa_trace_fail_func[256];
7069         extern unsigned int wpa_trace_fail_after;
7070
7071         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
7072                            wpa_trace_fail_func);
7073 #else /* WPA_TRACE_BFD */
7074         return -1;
7075 #endif /* WPA_TRACE_BFD */
7076 }
7077
7078 #endif /* CONFIG_TESTING_OPTIONS */
7079
7080
7081 static void wpas_ctrl_vendor_elem_update(struct wpa_supplicant *wpa_s)
7082 {
7083         unsigned int i;
7084         char buf[30];
7085
7086         wpa_printf(MSG_DEBUG, "Update vendor elements");
7087
7088         for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
7089                 if (wpa_s->vendor_elem[i]) {
7090                         int res;
7091
7092                         res = os_snprintf(buf, sizeof(buf), "frame[%u]", i);
7093                         if (!os_snprintf_error(sizeof(buf), res)) {
7094                                 wpa_hexdump_buf(MSG_DEBUG, buf,
7095                                                 wpa_s->vendor_elem[i]);
7096                         }
7097                 }
7098         }
7099
7100 #ifdef CONFIG_P2P
7101         if (wpa_s->parent == wpa_s &&
7102             wpa_s->global->p2p &&
7103             !wpa_s->global->p2p_disabled)
7104                 p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem);
7105 #endif /* CONFIG_P2P */
7106 }
7107
7108
7109 static struct wpa_supplicant *
7110 wpas_ctrl_vendor_elem_iface(struct wpa_supplicant *wpa_s,
7111                             enum wpa_vendor_elem_frame frame)
7112 {
7113         switch (frame) {
7114 #ifdef CONFIG_P2P
7115         case VENDOR_ELEM_PROBE_REQ_P2P:
7116         case VENDOR_ELEM_PROBE_RESP_P2P:
7117         case VENDOR_ELEM_PROBE_RESP_P2P_GO:
7118         case VENDOR_ELEM_BEACON_P2P_GO:
7119         case VENDOR_ELEM_P2P_PD_REQ:
7120         case VENDOR_ELEM_P2P_PD_RESP:
7121         case VENDOR_ELEM_P2P_GO_NEG_REQ:
7122         case VENDOR_ELEM_P2P_GO_NEG_RESP:
7123         case VENDOR_ELEM_P2P_GO_NEG_CONF:
7124         case VENDOR_ELEM_P2P_INV_REQ:
7125         case VENDOR_ELEM_P2P_INV_RESP:
7126         case VENDOR_ELEM_P2P_ASSOC_REQ:
7127                 return wpa_s->parent;
7128 #endif /* CONFIG_P2P */
7129         default:
7130                 return wpa_s;
7131         }
7132 }
7133
7134
7135 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
7136 {
7137         char *pos = cmd;
7138         int frame;
7139         size_t len;
7140         struct wpabuf *buf;
7141         struct ieee802_11_elems elems;
7142
7143         frame = atoi(pos);
7144         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7145                 return -1;
7146         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7147
7148         pos = os_strchr(pos, ' ');
7149         if (pos == NULL)
7150                 return -1;
7151         pos++;
7152
7153         len = os_strlen(pos);
7154         if (len == 0)
7155                 return 0;
7156         if (len & 1)
7157                 return -1;
7158         len /= 2;
7159
7160         buf = wpabuf_alloc(len);
7161         if (buf == NULL)
7162                 return -1;
7163
7164         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
7165                 wpabuf_free(buf);
7166                 return -1;
7167         }
7168
7169         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
7170             ParseFailed) {
7171                 wpabuf_free(buf);
7172                 return -1;
7173         }
7174
7175         if (wpa_s->vendor_elem[frame] == NULL) {
7176                 wpa_s->vendor_elem[frame] = buf;
7177                 wpas_ctrl_vendor_elem_update(wpa_s);
7178                 return 0;
7179         }
7180
7181         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
7182                 wpabuf_free(buf);
7183                 return -1;
7184         }
7185
7186         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
7187         wpabuf_free(buf);
7188         wpas_ctrl_vendor_elem_update(wpa_s);
7189
7190         return 0;
7191 }
7192
7193
7194 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
7195                                      char *buf, size_t buflen)
7196 {
7197         int frame = atoi(cmd);
7198
7199         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7200                 return -1;
7201         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7202
7203         if (wpa_s->vendor_elem[frame] == NULL)
7204                 return 0;
7205
7206         return wpa_snprintf_hex(buf, buflen,
7207                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
7208                                 wpabuf_len(wpa_s->vendor_elem[frame]));
7209 }
7210
7211
7212 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
7213 {
7214         char *pos = cmd;
7215         int frame;
7216         size_t len;
7217         u8 *buf;
7218         struct ieee802_11_elems elems;
7219         u8 *ie, *end;
7220
7221         frame = atoi(pos);
7222         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7223                 return -1;
7224         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7225
7226         pos = os_strchr(pos, ' ');
7227         if (pos == NULL)
7228                 return -1;
7229         pos++;
7230
7231         if (*pos == '*') {
7232                 wpabuf_free(wpa_s->vendor_elem[frame]);
7233                 wpa_s->vendor_elem[frame] = NULL;
7234                 wpas_ctrl_vendor_elem_update(wpa_s);
7235                 return 0;
7236         }
7237
7238         if (wpa_s->vendor_elem[frame] == NULL)
7239                 return -1;
7240
7241         len = os_strlen(pos);
7242         if (len == 0)
7243                 return 0;
7244         if (len & 1)
7245                 return -1;
7246         len /= 2;
7247
7248         buf = os_malloc(len);
7249         if (buf == NULL)
7250                 return -1;
7251
7252         if (hexstr2bin(pos, buf, len) < 0) {
7253                 os_free(buf);
7254                 return -1;
7255         }
7256
7257         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
7258                 os_free(buf);
7259                 return -1;
7260         }
7261
7262         ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]);
7263         end = ie + wpabuf_len(wpa_s->vendor_elem[frame]);
7264
7265         for (; ie + 1 < end; ie += 2 + ie[1]) {
7266                 if (ie + len > end)
7267                         break;
7268                 if (os_memcmp(ie, buf, len) != 0)
7269                         continue;
7270
7271                 if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) {
7272                         wpabuf_free(wpa_s->vendor_elem[frame]);
7273                         wpa_s->vendor_elem[frame] = NULL;
7274                 } else {
7275                         os_memmove(ie, ie + len,
7276                                    end - (ie + len));
7277                         wpa_s->vendor_elem[frame]->used -= len;
7278                 }
7279                 os_free(buf);
7280                 wpas_ctrl_vendor_elem_update(wpa_s);
7281                 return 0;
7282         }
7283
7284         os_free(buf);
7285
7286         return -1;
7287 }
7288
7289
7290 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
7291 {
7292         struct wpa_supplicant *wpa_s = ctx;
7293
7294         if (neighbor_rep) {
7295                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
7296                              "length=%u",
7297                              (unsigned int) wpabuf_len(neighbor_rep));
7298                 wpabuf_free(neighbor_rep);
7299         } else {
7300                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
7301         }
7302 }
7303
7304
7305 static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s,
7306                                             char *cmd)
7307 {
7308         struct wpa_ssid ssid;
7309         struct wpa_ssid *ssid_p = NULL;
7310         int ret = 0;
7311
7312         if (os_strncmp(cmd, " ssid=", 6) == 0) {
7313                 ssid.ssid_len = os_strlen(cmd + 6);
7314                 if (ssid.ssid_len > 32)
7315                         return -1;
7316                 ssid.ssid = (u8 *) (cmd + 6);
7317                 ssid_p = &ssid;
7318         }
7319
7320         ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p,
7321                                                  wpas_ctrl_neighbor_rep_cb,
7322                                                  wpa_s);
7323
7324         return ret;
7325 }
7326
7327
7328 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
7329 {
7330         eapol_sm_erp_flush(wpa_s->eapol);
7331         return 0;
7332 }
7333
7334
7335 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
7336                                          char *cmd)
7337 {
7338         char *token, *context = NULL;
7339         unsigned int enable = ~0, type = 0;
7340         u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
7341         u8 *addr = NULL, *mask = NULL;
7342
7343         while ((token = str_token(cmd, " ", &context))) {
7344                 if (os_strcasecmp(token, "scan") == 0) {
7345                         type |= MAC_ADDR_RAND_SCAN;
7346                 } else if (os_strcasecmp(token, "sched") == 0) {
7347                         type |= MAC_ADDR_RAND_SCHED_SCAN;
7348                 } else if (os_strcasecmp(token, "pno") == 0) {
7349                         type |= MAC_ADDR_RAND_PNO;
7350                 } else if (os_strcasecmp(token, "all") == 0) {
7351                         type = wpa_s->mac_addr_rand_supported;
7352                 } else if (os_strncasecmp(token, "enable=", 7) == 0) {
7353                         enable = atoi(token + 7);
7354                 } else if (os_strncasecmp(token, "addr=", 5) == 0) {
7355                         addr = _addr;
7356                         if (hwaddr_aton(token + 5, addr)) {
7357                                 wpa_printf(MSG_INFO,
7358                                            "CTRL: Invalid MAC address: %s",
7359                                            token);
7360                                 return -1;
7361                         }
7362                 } else if (os_strncasecmp(token, "mask=", 5) == 0) {
7363                         mask = _mask;
7364                         if (hwaddr_aton(token + 5, mask)) {
7365                                 wpa_printf(MSG_INFO,
7366                                            "CTRL: Invalid MAC address mask: %s",
7367                                            token);
7368                                 return -1;
7369                         }
7370                 } else {
7371                         wpa_printf(MSG_INFO,
7372                                    "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
7373                                    token);
7374                         return -1;
7375                 }
7376         }
7377
7378         if (!type) {
7379                 wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
7380                 return -1;
7381         }
7382
7383         if ((wpa_s->mac_addr_rand_supported & type) != type) {
7384                 wpa_printf(MSG_INFO,
7385                            "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
7386                            type, wpa_s->mac_addr_rand_supported);
7387                 return -1;
7388         }
7389
7390         if (enable > 1) {
7391                 wpa_printf(MSG_INFO,
7392                            "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
7393                 return -1;
7394         }
7395
7396         if (!enable) {
7397                 wpas_mac_addr_rand_scan_clear(wpa_s, type);
7398                 if (wpa_s->pno) {
7399                         if (type & MAC_ADDR_RAND_PNO) {
7400                                 wpas_stop_pno(wpa_s);
7401                                 wpas_start_pno(wpa_s);
7402                         }
7403                 } else if (wpa_s->sched_scanning &&
7404                            (type & MAC_ADDR_RAND_SCHED_SCAN)) {
7405                         /* simulate timeout to restart the sched scan */
7406                         wpa_s->sched_scan_timed_out = 1;
7407                         wpa_s->prev_sched_ssid = NULL;
7408                         wpa_supplicant_cancel_sched_scan(wpa_s);
7409                 }
7410                 return 0;
7411         }
7412
7413         if ((addr && !mask) || (!addr && mask)) {
7414                 wpa_printf(MSG_INFO,
7415                            "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
7416                 return -1;
7417         }
7418
7419         if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
7420                 wpa_printf(MSG_INFO,
7421                            "CTRL: MAC_RAND_SCAN cannot allow multicast address");
7422                 return -1;
7423         }
7424
7425         if (type & MAC_ADDR_RAND_SCAN) {
7426                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
7427                                             addr, mask);
7428         }
7429
7430         if (type & MAC_ADDR_RAND_SCHED_SCAN) {
7431                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
7432                                             addr, mask);
7433
7434                 if (wpa_s->sched_scanning && !wpa_s->pno) {
7435                         /* simulate timeout to restart the sched scan */
7436                         wpa_s->sched_scan_timed_out = 1;
7437                         wpa_s->prev_sched_ssid = NULL;
7438                         wpa_supplicant_cancel_sched_scan(wpa_s);
7439                 }
7440         }
7441
7442         if (type & MAC_ADDR_RAND_PNO) {
7443                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
7444                                             addr, mask);
7445                 if (wpa_s->pno) {
7446                         wpas_stop_pno(wpa_s);
7447                         wpas_start_pno(wpa_s);
7448                 }
7449         }
7450
7451         return 0;
7452 }
7453
7454
7455 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
7456                                          char *buf, size_t *resp_len)
7457 {
7458         char *reply;
7459         const int reply_size = 4096;
7460         int reply_len;
7461
7462         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
7463             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
7464                 if (wpa_debug_show_keys)
7465                         wpa_dbg(wpa_s, MSG_DEBUG,
7466                                 "Control interface command '%s'", buf);
7467                 else
7468                         wpa_dbg(wpa_s, MSG_DEBUG,
7469                                 "Control interface command '%s [REMOVED]'",
7470                                 os_strncmp(buf, WPA_CTRL_RSP,
7471                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
7472                                 WPA_CTRL_RSP : "SET_NETWORK");
7473         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
7474                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
7475                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
7476                                       (const u8 *) buf, os_strlen(buf));
7477         } else {
7478                 int level = MSG_DEBUG;
7479                 if (os_strcmp(buf, "PING") == 0)
7480                         level = MSG_EXCESSIVE;
7481                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
7482         }
7483
7484         reply = os_malloc(reply_size);
7485         if (reply == NULL) {
7486                 *resp_len = 1;
7487                 return NULL;
7488         }
7489
7490         os_memcpy(reply, "OK\n", 3);
7491         reply_len = 3;
7492
7493         if (os_strcmp(buf, "PING") == 0) {
7494                 os_memcpy(reply, "PONG\n", 5);
7495                 reply_len = 5;
7496         } else if (os_strcmp(buf, "IFNAME") == 0) {
7497                 reply_len = os_strlen(wpa_s->ifname);
7498                 os_memcpy(reply, wpa_s->ifname, reply_len);
7499         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
7500                 if (wpa_debug_reopen_file() < 0)
7501                         reply_len = -1;
7502         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
7503                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
7504         } else if (os_strcmp(buf, "MIB") == 0) {
7505                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
7506                 if (reply_len >= 0) {
7507                         reply_len += eapol_sm_get_mib(wpa_s->eapol,
7508                                                       reply + reply_len,
7509                                                       reply_size - reply_len);
7510                 }
7511         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
7512                 reply_len = wpa_supplicant_ctrl_iface_status(
7513                         wpa_s, buf + 6, reply, reply_size);
7514         } else if (os_strcmp(buf, "PMKSA") == 0) {
7515                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
7516                                                     reply_size);
7517         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
7518                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
7519         } else if (os_strncmp(buf, "SET ", 4) == 0) {
7520                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
7521                         reply_len = -1;
7522         } else if (os_strncmp(buf, "GET ", 4) == 0) {
7523                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
7524                                                           reply, reply_size);
7525         } else if (os_strcmp(buf, "LOGON") == 0) {
7526                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
7527         } else if (os_strcmp(buf, "LOGOFF") == 0) {
7528                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
7529         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
7530                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
7531                         reply_len = -1;
7532                 else
7533                         wpas_request_connection(wpa_s);
7534         } else if (os_strcmp(buf, "REATTACH") == 0) {
7535                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
7536                     !wpa_s->current_ssid)
7537                         reply_len = -1;
7538                 else {
7539                         wpa_s->reattach = 1;
7540                         wpas_request_connection(wpa_s);
7541                 }
7542         } else if (os_strcmp(buf, "RECONNECT") == 0) {
7543                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
7544                         reply_len = -1;
7545                 else if (wpa_s->disconnected)
7546                         wpas_request_connection(wpa_s);
7547 #ifdef IEEE8021X_EAPOL
7548         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
7549                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
7550                         reply_len = -1;
7551 #endif /* IEEE8021X_EAPOL */
7552 #ifdef CONFIG_PEERKEY
7553         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
7554                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
7555                         reply_len = -1;
7556 #endif /* CONFIG_PEERKEY */
7557 #ifdef CONFIG_IEEE80211R
7558         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
7559                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
7560                         reply_len = -1;
7561 #endif /* CONFIG_IEEE80211R */
7562 #ifdef CONFIG_WPS
7563         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
7564                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
7565                 if (res == -2) {
7566                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
7567                         reply_len = 17;
7568                 } else if (res)
7569                         reply_len = -1;
7570         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
7571                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
7572                 if (res == -2) {
7573                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
7574                         reply_len = 17;
7575                 } else if (res)
7576                         reply_len = -1;
7577         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
7578                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
7579                                                               reply,
7580                                                               reply_size);
7581         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
7582                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
7583                         wpa_s, buf + 14, reply, reply_size);
7584         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
7585                 if (wpas_wps_cancel(wpa_s))
7586                         reply_len = -1;
7587 #ifdef CONFIG_WPS_NFC
7588         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
7589                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
7590                         reply_len = -1;
7591         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
7592                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
7593                         reply_len = -1;
7594         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
7595                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
7596                         wpa_s, buf + 21, reply, reply_size);
7597         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
7598                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
7599                         wpa_s, buf + 14, reply, reply_size);
7600         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
7601                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
7602                                                                buf + 17))
7603                         reply_len = -1;
7604         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
7605                 reply_len = wpas_ctrl_nfc_get_handover_req(
7606                         wpa_s, buf + 21, reply, reply_size);
7607         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
7608                 reply_len = wpas_ctrl_nfc_get_handover_sel(
7609                         wpa_s, buf + 21, reply, reply_size);
7610         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
7611                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
7612                         reply_len = -1;
7613 #endif /* CONFIG_WPS_NFC */
7614         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
7615                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
7616                         reply_len = -1;
7617 #ifdef CONFIG_AP
7618         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
7619                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
7620                         wpa_s, buf + 11, reply, reply_size);
7621 #endif /* CONFIG_AP */
7622 #ifdef CONFIG_WPS_ER
7623         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
7624                 if (wpas_wps_er_start(wpa_s, NULL))
7625                         reply_len = -1;
7626         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
7627                 if (wpas_wps_er_start(wpa_s, buf + 13))
7628                         reply_len = -1;
7629         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
7630                 wpas_wps_er_stop(wpa_s);
7631         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
7632                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
7633                         reply_len = -1;
7634         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
7635                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
7636                 if (ret == -2) {
7637                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
7638                         reply_len = 17;
7639                 } else if (ret == -3) {
7640                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
7641                         reply_len = 18;
7642                 } else if (ret == -4) {
7643                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
7644                         reply_len = 20;
7645                 } else if (ret)
7646                         reply_len = -1;
7647         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
7648                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
7649                         reply_len = -1;
7650         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
7651                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
7652                                                                 buf + 18))
7653                         reply_len = -1;
7654         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
7655                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
7656                         reply_len = -1;
7657 #ifdef CONFIG_WPS_NFC
7658         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
7659                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
7660                         wpa_s, buf + 24, reply, reply_size);
7661 #endif /* CONFIG_WPS_NFC */
7662 #endif /* CONFIG_WPS_ER */
7663 #endif /* CONFIG_WPS */
7664 #ifdef CONFIG_IBSS_RSN
7665         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
7666                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
7667                         reply_len = -1;
7668 #endif /* CONFIG_IBSS_RSN */
7669 #ifdef CONFIG_MESH
7670         } else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
7671                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
7672                         wpa_s, buf + 19, reply, reply_size);
7673         } else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
7674                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
7675                         wpa_s, "", reply, reply_size);
7676         } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
7677                 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
7678                         reply_len = -1;
7679         } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
7680                 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
7681                                                                 buf + 18))
7682                         reply_len = -1;
7683 #endif /* CONFIG_MESH */
7684 #ifdef CONFIG_P2P
7685         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
7686                 if (p2p_ctrl_find(wpa_s, buf + 8))
7687                         reply_len = -1;
7688         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
7689                 if (p2p_ctrl_find(wpa_s, ""))
7690                         reply_len = -1;
7691         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
7692                 wpas_p2p_stop_find(wpa_s);
7693         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
7694                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
7695                                              reply_size);
7696         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
7697                 if (p2p_ctrl_listen(wpa_s, buf + 11))
7698                         reply_len = -1;
7699         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
7700                 if (p2p_ctrl_listen(wpa_s, ""))
7701                         reply_len = -1;
7702         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
7703                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
7704                         reply_len = -1;
7705         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
7706                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0, 0))
7707                         reply_len = -1;
7708         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
7709                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
7710                         reply_len = -1;
7711         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
7712                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
7713                         reply_len = -1;
7714         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
7715                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
7716         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
7717                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
7718                                                    reply_size);
7719         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
7720                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
7721                         reply_len = -1;
7722         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
7723                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
7724                         reply_len = -1;
7725         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
7726                 wpas_p2p_sd_service_update(wpa_s);
7727         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
7728                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
7729                         reply_len = -1;
7730         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
7731                 wpas_p2p_service_flush(wpa_s);
7732         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
7733                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
7734                         reply_len = -1;
7735         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
7736                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
7737                         reply_len = -1;
7738         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
7739                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
7740                         reply_len = -1;
7741         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
7742                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
7743                         reply_len = -1;
7744         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
7745                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
7746                                               reply_size);
7747         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
7748                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
7749                         reply_len = -1;
7750         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
7751                 p2p_ctrl_flush(wpa_s);
7752         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
7753                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
7754                         reply_len = -1;
7755         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
7756                 if (wpas_p2p_cancel(wpa_s))
7757                         reply_len = -1;
7758         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
7759                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
7760                         reply_len = -1;
7761         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
7762                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
7763                         reply_len = -1;
7764         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
7765                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
7766                         reply_len = -1;
7767         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
7768                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
7769                         reply_len = -1;
7770         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
7771                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
7772                         reply_len = -1;
7773 #endif /* CONFIG_P2P */
7774 #ifdef CONFIG_WIFI_DISPLAY
7775         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
7776                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
7777                         reply_len = -1;
7778         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
7779                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
7780                                                      reply, reply_size);
7781 #endif /* CONFIG_WIFI_DISPLAY */
7782 #ifdef CONFIG_INTERWORKING
7783         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
7784                 if (interworking_fetch_anqp(wpa_s) < 0)
7785                         reply_len = -1;
7786         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
7787                 interworking_stop_fetch_anqp(wpa_s);
7788         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
7789                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
7790                         reply_len = -1;
7791         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
7792                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
7793                         reply_len = -1;
7794         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
7795                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
7796                         reply_len = -1;
7797         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
7798                 if (get_anqp(wpa_s, buf + 9) < 0)
7799                         reply_len = -1;
7800         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
7801                 if (gas_request(wpa_s, buf + 12) < 0)
7802                         reply_len = -1;
7803         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
7804                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
7805                                              reply_size);
7806 #endif /* CONFIG_INTERWORKING */
7807 #ifdef CONFIG_HS20
7808         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
7809                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
7810                         reply_len = -1;
7811         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
7812                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
7813                         reply_len = -1;
7814         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
7815                 if (hs20_icon_request(wpa_s, buf + 18) < 0)
7816                         reply_len = -1;
7817         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
7818                 if (hs20_fetch_osu(wpa_s) < 0)
7819                         reply_len = -1;
7820         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
7821                 hs20_cancel_fetch_osu(wpa_s);
7822 #endif /* CONFIG_HS20 */
7823         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
7824         {
7825                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
7826                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
7827                         reply_len = -1;
7828                 else {
7829                         /*
7830                          * Notify response from timeout to allow the control
7831                          * interface response to be sent first.
7832                          */
7833                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
7834                                                wpa_s, NULL);
7835                 }
7836         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
7837                 if (wpa_supplicant_reload_configuration(wpa_s))
7838                         reply_len = -1;
7839         } else if (os_strcmp(buf, "TERMINATE") == 0) {
7840                 wpa_supplicant_terminate_proc(wpa_s->global);
7841         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
7842                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
7843                         reply_len = -1;
7844         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
7845                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
7846                         wpa_s, buf + 9, reply, reply_size);
7847         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
7848                 reply_len = wpa_supplicant_ctrl_iface_log_level(
7849                         wpa_s, buf + 9, reply, reply_size);
7850         } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
7851                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
7852                         wpa_s, buf + 14, reply, reply_size);
7853         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
7854                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
7855                         wpa_s, NULL, reply, reply_size);
7856         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
7857 #ifdef CONFIG_SME
7858                 wpa_s->sme.prev_bssid_set = 0;
7859 #endif /* CONFIG_SME */
7860                 wpa_s->reassociate = 0;
7861                 wpa_s->disconnected = 1;
7862                 wpa_supplicant_cancel_sched_scan(wpa_s);
7863                 wpa_supplicant_cancel_scan(wpa_s);
7864                 wpa_supplicant_deauthenticate(wpa_s,
7865                                               WLAN_REASON_DEAUTH_LEAVING);
7866         } else if (os_strcmp(buf, "SCAN") == 0) {
7867                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
7868         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
7869                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
7870         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
7871                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
7872                         wpa_s, reply, reply_size);
7873         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
7874                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
7875                         reply_len = -1;
7876         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
7877                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
7878                         reply_len = -1;
7879         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
7880                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
7881                         reply_len = -1;
7882         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
7883                 reply_len = wpa_supplicant_ctrl_iface_add_network(
7884                         wpa_s, reply, reply_size);
7885         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
7886                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
7887                         reply_len = -1;
7888         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
7889                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
7890                         reply_len = -1;
7891         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
7892                 reply_len = wpa_supplicant_ctrl_iface_get_network(
7893                         wpa_s, buf + 12, reply, reply_size);
7894         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
7895                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12))
7896                         reply_len = -1;
7897         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
7898                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
7899                         wpa_s, reply, reply_size);
7900         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
7901                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
7902                         wpa_s, reply, reply_size);
7903         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
7904                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
7905                         reply_len = -1;
7906         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
7907                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
7908                         reply_len = -1;
7909         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
7910                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
7911                                                                reply,
7912                                                                reply_size);
7913 #ifndef CONFIG_NO_CONFIG_WRITE
7914         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
7915                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
7916                         reply_len = -1;
7917 #endif /* CONFIG_NO_CONFIG_WRITE */
7918         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
7919                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
7920                         wpa_s, buf + 15, reply, reply_size);
7921         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
7922                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
7923                         reply_len = -1;
7924         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
7925                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
7926                         reply_len = -1;
7927         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
7928                 reply_len = wpa_supplicant_global_iface_list(
7929                         wpa_s->global, reply, reply_size);
7930         } else if (os_strcmp(buf, "INTERFACES") == 0) {
7931                 reply_len = wpa_supplicant_global_iface_interfaces(
7932                         wpa_s->global, reply, reply_size);
7933         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
7934                 reply_len = wpa_supplicant_ctrl_iface_bss(
7935                         wpa_s, buf + 4, reply, reply_size);
7936 #ifdef CONFIG_AP
7937         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
7938                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
7939         } else if (os_strncmp(buf, "STA ", 4) == 0) {
7940                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
7941                                               reply_size);
7942         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
7943                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
7944                                                    reply_size);
7945         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
7946                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
7947                         reply_len = -1;
7948         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
7949                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
7950                         reply_len = -1;
7951         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
7952                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
7953                         reply_len = -1;
7954 #endif /* CONFIG_AP */
7955         } else if (os_strcmp(buf, "SUSPEND") == 0) {
7956                 wpas_notify_suspend(wpa_s->global);
7957         } else if (os_strcmp(buf, "RESUME") == 0) {
7958                 wpas_notify_resume(wpa_s->global);
7959 #ifdef CONFIG_TESTING_OPTIONS
7960         } else if (os_strcmp(buf, "DROP_SA") == 0) {
7961                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
7962 #endif /* CONFIG_TESTING_OPTIONS */
7963         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
7964                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
7965                         reply_len = -1;
7966         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
7967                 wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
7968         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
7969                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
7970                         reply_len = -1;
7971         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
7972                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
7973                                                                buf + 17))
7974                         reply_len = -1;
7975         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
7976                 wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
7977 #ifdef CONFIG_TDLS
7978         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
7979                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
7980                         reply_len = -1;
7981         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
7982                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
7983                         reply_len = -1;
7984         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
7985                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
7986                         reply_len = -1;
7987         } else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
7988                 if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
7989                                                                buf + 17))
7990                         reply_len = -1;
7991         } else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
7992                 if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
7993                                                                       buf + 24))
7994                         reply_len = -1;
7995 #endif /* CONFIG_TDLS */
7996         } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
7997                 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
7998         } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
7999                 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
8000                         reply_len = -1;
8001         } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
8002                 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
8003                         reply_len = -1;
8004         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
8005                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
8006                                                        reply_size);
8007         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
8008                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
8009                                                        reply_size);
8010 #ifdef CONFIG_AUTOSCAN
8011         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
8012                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
8013                         reply_len = -1;
8014 #endif /* CONFIG_AUTOSCAN */
8015 #ifdef ANDROID
8016         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
8017                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
8018                                                       reply_size);
8019 #endif /* ANDROID */
8020         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
8021                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
8022                                                       reply_size);
8023         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
8024                 pmksa_cache_clear_current(wpa_s->wpa);
8025                 eapol_sm_request_reauth(wpa_s->eapol);
8026 #ifdef CONFIG_WNM
8027         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
8028                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
8029                         reply_len = -1;
8030         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
8031                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
8032                                 reply_len = -1;
8033 #endif /* CONFIG_WNM */
8034         } else if (os_strcmp(buf, "FLUSH") == 0) {
8035                 wpa_supplicant_ctrl_iface_flush(wpa_s);
8036         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
8037                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
8038                                                  reply_size);
8039 #ifdef CONFIG_TESTING_OPTIONS
8040         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
8041                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
8042                         reply_len = -1;
8043         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
8044                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
8045         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
8046                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
8047                         reply_len = -1;
8048         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
8049                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
8050                         reply_len = -1;
8051         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
8052                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
8053                         reply_len = -1;
8054         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
8055                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
8056                         reply_len = -1;
8057         } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
8058                 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
8059                         reply_len = -1;
8060         } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
8061                 if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
8062                         reply_len = -1;
8063         } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
8064                 reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
8065 #endif /* CONFIG_TESTING_OPTIONS */
8066         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
8067                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
8068                         reply_len = -1;
8069         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
8070                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
8071                                                       reply_size);
8072         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
8073                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
8074                         reply_len = -1;
8075         } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
8076                 if (wpas_ctrl_iface_send_neigbor_rep(wpa_s, buf + 20))
8077                         reply_len = -1;
8078         } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
8079                 wpas_ctrl_iface_erp_flush(wpa_s);
8080         } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
8081                 if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
8082                         reply_len = -1;
8083         } else {
8084                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8085                 reply_len = 16;
8086         }
8087
8088         if (reply_len < 0) {
8089                 os_memcpy(reply, "FAIL\n", 5);
8090                 reply_len = 5;
8091         }
8092
8093         *resp_len = reply_len;
8094         return reply;
8095 }
8096
8097
8098 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
8099                                            char *cmd)
8100 {
8101         struct wpa_interface iface;
8102         char *pos;
8103
8104         /*
8105          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
8106          * TAB<bridge_ifname>
8107          */
8108         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
8109
8110         os_memset(&iface, 0, sizeof(iface));
8111
8112         do {
8113                 iface.ifname = pos = cmd;
8114                 pos = os_strchr(pos, '\t');
8115                 if (pos)
8116                         *pos++ = '\0';
8117                 if (iface.ifname[0] == '\0')
8118                         return -1;
8119                 if (pos == NULL)
8120                         break;
8121
8122                 iface.confname = pos;
8123                 pos = os_strchr(pos, '\t');
8124                 if (pos)
8125                         *pos++ = '\0';
8126                 if (iface.confname[0] == '\0')
8127                         iface.confname = NULL;
8128                 if (pos == NULL)
8129                         break;
8130
8131                 iface.driver = pos;
8132                 pos = os_strchr(pos, '\t');
8133                 if (pos)
8134                         *pos++ = '\0';
8135                 if (iface.driver[0] == '\0')
8136                         iface.driver = NULL;
8137                 if (pos == NULL)
8138                         break;
8139
8140                 iface.ctrl_interface = pos;
8141                 pos = os_strchr(pos, '\t');
8142                 if (pos)
8143                         *pos++ = '\0';
8144                 if (iface.ctrl_interface[0] == '\0')
8145                         iface.ctrl_interface = NULL;
8146                 if (pos == NULL)
8147                         break;
8148
8149                 iface.driver_param = pos;
8150                 pos = os_strchr(pos, '\t');
8151                 if (pos)
8152                         *pos++ = '\0';
8153                 if (iface.driver_param[0] == '\0')
8154                         iface.driver_param = NULL;
8155                 if (pos == NULL)
8156                         break;
8157
8158                 iface.bridge_ifname = pos;
8159                 pos = os_strchr(pos, '\t');
8160                 if (pos)
8161                         *pos++ = '\0';
8162                 if (iface.bridge_ifname[0] == '\0')
8163                         iface.bridge_ifname = NULL;
8164                 if (pos == NULL)
8165                         break;
8166         } while (0);
8167
8168         if (wpa_supplicant_get_iface(global, iface.ifname))
8169                 return -1;
8170
8171         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
8172 }
8173
8174
8175 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
8176                                               char *cmd)
8177 {
8178         struct wpa_supplicant *wpa_s;
8179
8180         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
8181
8182         wpa_s = wpa_supplicant_get_iface(global, cmd);
8183         if (wpa_s == NULL)
8184                 return -1;
8185         return wpa_supplicant_remove_iface(global, wpa_s, 0);
8186 }
8187
8188
8189 static void wpa_free_iface_info(struct wpa_interface_info *iface)
8190 {
8191         struct wpa_interface_info *prev;
8192
8193         while (iface) {
8194                 prev = iface;
8195                 iface = iface->next;
8196
8197                 os_free(prev->ifname);
8198                 os_free(prev->desc);
8199                 os_free(prev);
8200         }
8201 }
8202
8203
8204 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
8205                                             char *buf, int len)
8206 {
8207         int i, res;
8208         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
8209         char *pos, *end;
8210
8211         for (i = 0; wpa_drivers[i]; i++) {
8212                 struct wpa_driver_ops *drv = wpa_drivers[i];
8213                 if (drv->get_interfaces == NULL)
8214                         continue;
8215                 tmp = drv->get_interfaces(global->drv_priv[i]);
8216                 if (tmp == NULL)
8217                         continue;
8218
8219                 if (last == NULL)
8220                         iface = last = tmp;
8221                 else
8222                         last->next = tmp;
8223                 while (last->next)
8224                         last = last->next;
8225         }
8226
8227         pos = buf;
8228         end = buf + len;
8229         for (tmp = iface; tmp; tmp = tmp->next) {
8230                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
8231                                   tmp->drv_name, tmp->ifname,
8232                                   tmp->desc ? tmp->desc : "");
8233                 if (os_snprintf_error(end - pos, res)) {
8234                         *pos = '\0';
8235                         break;
8236                 }
8237                 pos += res;
8238         }
8239
8240         wpa_free_iface_info(iface);
8241
8242         return pos - buf;
8243 }
8244
8245
8246 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
8247                                                   char *buf, int len)
8248 {
8249         int res;
8250         char *pos, *end;
8251         struct wpa_supplicant *wpa_s;
8252
8253         wpa_s = global->ifaces;
8254         pos = buf;
8255         end = buf + len;
8256
8257         while (wpa_s) {
8258                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
8259                 if (os_snprintf_error(end - pos, res)) {
8260                         *pos = '\0';
8261                         break;
8262                 }
8263                 pos += res;
8264                 wpa_s = wpa_s->next;
8265         }
8266         return pos - buf;
8267 }
8268
8269
8270 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
8271                                             const char *ifname,
8272                                             char *cmd, size_t *resp_len)
8273 {
8274         struct wpa_supplicant *wpa_s;
8275
8276         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8277                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
8278                         break;
8279         }
8280
8281         if (wpa_s == NULL) {
8282                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
8283                 if (resp)
8284                         *resp_len = os_strlen(resp);
8285                 else
8286                         *resp_len = 1;
8287                 return resp;
8288         }
8289
8290         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
8291 }
8292
8293
8294 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
8295                                                char *buf, size_t *resp_len)
8296 {
8297 #ifdef CONFIG_P2P
8298         static const char * cmd[] = {
8299                 "LIST_NETWORKS",
8300                 "P2P_FIND",
8301                 "P2P_STOP_FIND",
8302                 "P2P_LISTEN",
8303                 "P2P_GROUP_ADD",
8304                 "P2P_GET_PASSPHRASE",
8305                 "P2P_SERVICE_UPDATE",
8306                 "P2P_SERVICE_FLUSH",
8307                 "P2P_FLUSH",
8308                 "P2P_CANCEL",
8309                 "P2P_PRESENCE_REQ",
8310                 "P2P_EXT_LISTEN",
8311                 NULL
8312         };
8313         static const char * prefix[] = {
8314 #ifdef ANDROID
8315                 "DRIVER ",
8316 #endif /* ANDROID */
8317                 "GET_NETWORK ",
8318                 "REMOVE_NETWORK ",
8319                 "P2P_FIND ",
8320                 "P2P_CONNECT ",
8321                 "P2P_LISTEN ",
8322                 "P2P_GROUP_REMOVE ",
8323                 "P2P_GROUP_ADD ",
8324                 "P2P_PROV_DISC ",
8325                 "P2P_SERV_DISC_REQ ",
8326                 "P2P_SERV_DISC_CANCEL_REQ ",
8327                 "P2P_SERV_DISC_RESP ",
8328                 "P2P_SERV_DISC_EXTERNAL ",
8329                 "P2P_SERVICE_ADD ",
8330                 "P2P_SERVICE_DEL ",
8331                 "P2P_REJECT ",
8332                 "P2P_INVITE ",
8333                 "P2P_PEER ",
8334                 "P2P_SET ",
8335                 "P2P_UNAUTHORIZE ",
8336                 "P2P_PRESENCE_REQ ",
8337                 "P2P_EXT_LISTEN ",
8338                 "P2P_REMOVE_CLIENT ",
8339                 "WPS_NFC_TOKEN ",
8340                 "WPS_NFC_TAG_READ ",
8341                 "NFC_GET_HANDOVER_SEL ",
8342                 "NFC_GET_HANDOVER_REQ ",
8343                 "NFC_REPORT_HANDOVER ",
8344                 NULL
8345         };
8346         int found = 0;
8347         int i;
8348
8349         if (global->p2p_init_wpa_s == NULL)
8350                 return NULL;
8351
8352         for (i = 0; !found && cmd[i]; i++) {
8353                 if (os_strcmp(buf, cmd[i]) == 0)
8354                         found = 1;
8355         }
8356
8357         for (i = 0; !found && prefix[i]; i++) {
8358                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
8359                         found = 1;
8360         }
8361
8362         if (found)
8363                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
8364                                                          buf, resp_len);
8365 #endif /* CONFIG_P2P */
8366         return NULL;
8367 }
8368
8369
8370 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
8371                                                char *buf, size_t *resp_len)
8372 {
8373 #ifdef CONFIG_WIFI_DISPLAY
8374         if (global->p2p_init_wpa_s == NULL)
8375                 return NULL;
8376         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
8377             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
8378                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
8379                                                          buf, resp_len);
8380 #endif /* CONFIG_WIFI_DISPLAY */
8381         return NULL;
8382 }
8383
8384
8385 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
8386                                            char *buf, size_t *resp_len)
8387 {
8388         char *ret;
8389
8390         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
8391         if (ret)
8392                 return ret;
8393
8394         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
8395         if (ret)
8396                 return ret;
8397
8398         return NULL;
8399 }
8400
8401
8402 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
8403 {
8404         char *value;
8405
8406         value = os_strchr(cmd, ' ');
8407         if (value == NULL)
8408                 return -1;
8409         *value++ = '\0';
8410
8411         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
8412
8413 #ifdef CONFIG_WIFI_DISPLAY
8414         if (os_strcasecmp(cmd, "wifi_display") == 0) {
8415                 wifi_display_enable(global, !!atoi(value));
8416                 return 0;
8417         }
8418 #endif /* CONFIG_WIFI_DISPLAY */
8419
8420         /* Restore cmd to its original value to allow redirection */
8421         value[-1] = ' ';
8422
8423         return -1;
8424 }
8425
8426
8427 #ifndef CONFIG_NO_CONFIG_WRITE
8428 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
8429 {
8430         int ret = 0, saved = 0;
8431         struct wpa_supplicant *wpa_s;
8432
8433         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8434                 if (!wpa_s->conf->update_config) {
8435                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
8436                         continue;
8437                 }
8438
8439                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
8440                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
8441                         ret = 1;
8442                 } else {
8443                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
8444                         saved++;
8445                 }
8446         }
8447
8448         if (!saved && !ret) {
8449                 wpa_dbg(wpa_s, MSG_DEBUG,
8450                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
8451                 ret = 1;
8452         }
8453
8454         return ret;
8455 }
8456 #endif /* CONFIG_NO_CONFIG_WRITE */
8457
8458
8459 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
8460                                          char *buf, size_t buflen)
8461 {
8462         char *pos, *end;
8463         int ret;
8464         struct wpa_supplicant *wpa_s;
8465
8466         pos = buf;
8467         end = buf + buflen;
8468
8469 #ifdef CONFIG_P2P
8470         if (global->p2p && !global->p2p_disabled) {
8471                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
8472                                   "\n"
8473                                   "p2p_state=%s\n",
8474                                   MAC2STR(global->p2p_dev_addr),
8475                                   p2p_get_state_txt(global->p2p));
8476                 if (os_snprintf_error(end - pos, ret))
8477                         return pos - buf;
8478                 pos += ret;
8479         } else if (global->p2p) {
8480                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
8481                 if (os_snprintf_error(end - pos, ret))
8482                         return pos - buf;
8483                 pos += ret;
8484         }
8485 #endif /* CONFIG_P2P */
8486
8487 #ifdef CONFIG_WIFI_DISPLAY
8488         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
8489                           !!global->wifi_display);
8490         if (os_snprintf_error(end - pos, ret))
8491                 return pos - buf;
8492         pos += ret;
8493 #endif /* CONFIG_WIFI_DISPLAY */
8494
8495         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8496                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
8497                                   "address=" MACSTR "\n",
8498                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
8499                 if (os_snprintf_error(end - pos, ret))
8500                         return pos - buf;
8501                 pos += ret;
8502         }
8503
8504         return pos - buf;
8505 }
8506
8507
8508 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
8509                                                 char *buf, size_t *resp_len)
8510 {
8511         char *reply;
8512         const int reply_size = 2048;
8513         int reply_len;
8514         int level = MSG_DEBUG;
8515
8516         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
8517                 char *pos = os_strchr(buf + 7, ' ');
8518                 if (pos) {
8519                         *pos++ = '\0';
8520                         return wpas_global_ctrl_iface_ifname(global,
8521                                                              buf + 7, pos,
8522                                                              resp_len);
8523                 }
8524         }
8525
8526         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
8527         if (reply)
8528                 return reply;
8529
8530         if (os_strcmp(buf, "PING") == 0)
8531                 level = MSG_EXCESSIVE;
8532         wpa_hexdump_ascii(level, "RX global ctrl_iface",
8533                           (const u8 *) buf, os_strlen(buf));
8534
8535         reply = os_malloc(reply_size);
8536         if (reply == NULL) {
8537                 *resp_len = 1;
8538                 return NULL;
8539         }
8540
8541         os_memcpy(reply, "OK\n", 3);
8542         reply_len = 3;
8543
8544         if (os_strcmp(buf, "PING") == 0) {
8545                 os_memcpy(reply, "PONG\n", 5);
8546                 reply_len = 5;
8547         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
8548                 if (wpa_supplicant_global_iface_add(global, buf + 14))
8549                         reply_len = -1;
8550         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
8551                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
8552                         reply_len = -1;
8553         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8554                 reply_len = wpa_supplicant_global_iface_list(
8555                         global, reply, reply_size);
8556         } else if (os_strcmp(buf, "INTERFACES") == 0) {
8557                 reply_len = wpa_supplicant_global_iface_interfaces(
8558                         global, reply, reply_size);
8559         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8560                 wpa_supplicant_terminate_proc(global);
8561         } else if (os_strcmp(buf, "SUSPEND") == 0) {
8562                 wpas_notify_suspend(global);
8563         } else if (os_strcmp(buf, "RESUME") == 0) {
8564                 wpas_notify_resume(global);
8565         } else if (os_strncmp(buf, "SET ", 4) == 0) {
8566                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
8567 #ifdef CONFIG_P2P
8568                         if (global->p2p_init_wpa_s) {
8569                                 os_free(reply);
8570                                 /* Check if P2P redirection would work for this
8571                                  * command. */
8572                                 return wpa_supplicant_ctrl_iface_process(
8573                                         global->p2p_init_wpa_s,
8574                                         buf, resp_len);
8575                         }
8576 #endif /* CONFIG_P2P */
8577                         reply_len = -1;
8578                 }
8579 #ifndef CONFIG_NO_CONFIG_WRITE
8580         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8581                 if (wpas_global_ctrl_iface_save_config(global))
8582                         reply_len = -1;
8583 #endif /* CONFIG_NO_CONFIG_WRITE */
8584         } else if (os_strcmp(buf, "STATUS") == 0) {
8585                 reply_len = wpas_global_ctrl_iface_status(global, reply,
8586                                                           reply_size);
8587 #ifdef CONFIG_MODULE_TESTS
8588         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
8589                 int wpas_module_tests(void);
8590                 if (wpas_module_tests() < 0)
8591                         reply_len = -1;
8592 #endif /* CONFIG_MODULE_TESTS */
8593         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
8594                 if (wpa_debug_reopen_file() < 0)
8595                         reply_len = -1;
8596         } else {
8597                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8598                 reply_len = 16;
8599         }
8600
8601         if (reply_len < 0) {
8602                 os_memcpy(reply, "FAIL\n", 5);
8603                 reply_len = 5;
8604         }
8605
8606         *resp_len = reply_len;
8607         return reply;
8608 }