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