wpa_supplicant/ctrl_iface.c

   1 /*
   2  * WPA Supplicant / Control interface (shared code for all backends)
   3  * Copyright (c) 2004-2015, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10 #ifdef CONFIG_TESTING_OPTIONS
  11 #include <net/ethernet.h>
  12 #include <netinet/ip.h>
  13 #endif /* CONFIG_TESTING_OPTIONS */
  14
  15 #include "utils/common.h"
  16 #include "utils/eloop.h"
  17 #include "utils/uuid.h"
  18 #include "common/version.h"
  19 #include "common/ieee802_11_defs.h"
  20 #include "common/ieee802_11_common.h"
  21 #include "common/wpa_ctrl.h"
  22 #include "crypto/tls.h"
  23 #include "ap/hostapd.h"
  24 #include "eap_peer/eap.h"
  25 #include "eapol_supp/eapol_supp_sm.h"
  26 #include "rsn_supp/wpa.h"
  27 #include "rsn_supp/preauth.h"
  28 #include "rsn_supp/pmksa_cache.h"
  29 #include "l2_packet/l2_packet.h"
  30 #include "wps/wps.h"
  31 #include "fst/fst_ctrl_iface.h"
  32 #include "config.h"
  33 #include "wpa_supplicant_i.h"
  34 #include "driver_i.h"
  35 #include "wps_supplicant.h"
  36 #include "ibss_rsn.h"
  37 #include "ap.h"
  38 #include "p2p_supplicant.h"
  39 #include "p2p/p2p.h"
  40 #include "hs20_supplicant.h"
  41 #include "wifi_display.h"
  42 #include "notify.h"
  43 #include "bss.h"
  44 #include "scan.h"
  45 #include "ctrl_iface.h"
  46 #include "interworking.h"
  47 #include "blacklist.h"
  48 #include "autoscan.h"
  49 #include "wnm_sta.h"
  50 #include "offchannel.h"
  51 #include "drivers/driver.h"
  52 #include "mesh.h"
  53
  54 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
  55                                             char *buf, int len);
  56 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
  57                                                   char *buf, int len);
  58 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
  59                                         char *val);
  60
  61 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
  62 {
  63         char *pos;
  64         u8 addr[ETH_ALEN], *filter = NULL, *n;
  65         size_t count = 0;
  66
  67         pos = val;
  68         while (pos) {
  69                 if (*pos == '\0')
  70                         break;
  71                 if (hwaddr_aton(pos, addr)) {
  72                         os_free(filter);
  73                         return -1;
  74                 }
  75                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
  76                 if (n == NULL) {
  77                         os_free(filter);
  78                         return -1;
  79                 }
  80                 filter = n;
  81                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
  82                 count++;
  83
  84                 pos = os_strchr(pos, ' ');
  85                 if (pos)
  86                         pos++;
  87         }
  88
  89         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
  90         os_free(wpa_s->bssid_filter);
  91         wpa_s->bssid_filter = filter;
  92         wpa_s->bssid_filter_count = count;
  93
  94         return 0;
  95 }
  96
  97
  98 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
  99 {
 100         char *pos;
 101         u8 addr[ETH_ALEN], *bssid = NULL, *n;
 102         struct wpa_ssid_value *ssid = NULL, *ns;
 103         size_t count = 0, ssid_count = 0;
 104         struct wpa_ssid *c;
 105
 106         /*
 107          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
 108          * SSID_SPEC ::= ssid <SSID_HEX>
 109          * BSSID_SPEC ::= bssid <BSSID_HEX>
 110          */
 111
 112         pos = val;
 113         while (pos) {
 114                 if (*pos == '\0')
 115                         break;
 116                 if (os_strncmp(pos, "bssid ", 6) == 0) {
 117                         int res;
 118                         pos += 6;
 119                         res = hwaddr_aton2(pos, addr);
 120                         if (res < 0) {
 121                                 os_free(ssid);
 122                                 os_free(bssid);
 123                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 124                                            "BSSID value '%s'", pos);
 125                                 return -1;
 126                         }
 127                         pos += res;
 128                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
 129                         if (n == NULL) {
 130                                 os_free(ssid);
 131                                 os_free(bssid);
 132                                 return -1;
 133                         }
 134                         bssid = n;
 135                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
 136                         count++;
 137                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
 138                         char *end;
 139                         pos += 5;
 140
 141                         end = pos;
 142                         while (*end) {
 143                                 if (*end == '\0' || *end == ' ')
 144                                         break;
 145                                 end++;
 146                         }
 147
 148                         ns = os_realloc_array(ssid, ssid_count + 1,
 149                                               sizeof(struct wpa_ssid_value));
 150                         if (ns == NULL) {
 151                                 os_free(ssid);
 152                                 os_free(bssid);
 153                                 return -1;
 154                         }
 155                         ssid = ns;
 156
 157                         if ((end - pos) & 0x01 ||
 158                             end - pos > 2 * SSID_MAX_LEN ||
 159                             hexstr2bin(pos, ssid[ssid_count].ssid,
 160                                        (end - pos) / 2) < 0) {
 161                                 os_free(ssid);
 162                                 os_free(bssid);
 163                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 164                                            "SSID value '%s'", pos);
 165                                 return -1;
 166                         }
 167                         ssid[ssid_count].ssid_len = (end - pos) / 2;
 168                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
 169                                           ssid[ssid_count].ssid,
 170                                           ssid[ssid_count].ssid_len);
 171                         ssid_count++;
 172                         pos = end;
 173                 } else {
 174                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
 175                                    "'%s'", pos);
 176                         os_free(ssid);
 177                         os_free(bssid);
 178                         return -1;
 179                 }
 180
 181                 pos = os_strchr(pos, ' ');
 182                 if (pos)
 183                         pos++;
 184         }
 185
 186         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
 187         os_free(wpa_s->disallow_aps_bssid);
 188         wpa_s->disallow_aps_bssid = bssid;
 189         wpa_s->disallow_aps_bssid_count = count;
 190
 191         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
 192         os_free(wpa_s->disallow_aps_ssid);
 193         wpa_s->disallow_aps_ssid = ssid;
 194         wpa_s->disallow_aps_ssid_count = ssid_count;
 195
 196         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
 197                 return 0;
 198
 199         c = wpa_s->current_ssid;
 200         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
 201                 return 0;
 202
 203         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
 204             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
 205                 return 0;
 206
 207         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
 208                    "because current AP was marked disallowed");
 209
 210 #ifdef CONFIG_SME
 211         wpa_s->sme.prev_bssid_set = 0;
 212 #endif /* CONFIG_SME */
 213         wpa_s->reassociate = 1;
 214         wpa_s->own_disconnect_req = 1;
 215         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
 216         wpa_supplicant_req_scan(wpa_s, 0, 0);
 217
 218         return 0;
 219 }
 220
 221
 222 #ifndef CONFIG_NO_CONFIG_BLOBS
 223 static int wpas_ctrl_set_blob(struct wpa_supplicant *wpa_s, char *pos)
 224 {
 225         char *name = pos;
 226         struct wpa_config_blob *blob;
 227         size_t len;
 228
 229         pos = os_strchr(pos, ' ');
 230         if (pos == NULL)
 231                 return -1;
 232         *pos++ = '\0';
 233         len = os_strlen(pos);
 234         if (len & 1)
 235                 return -1;
 236
 237         wpa_printf(MSG_DEBUG, "CTRL: Set blob '%s'", name);
 238         blob = os_zalloc(sizeof(*blob));
 239         if (blob == NULL)
 240                 return -1;
 241         blob->name = os_strdup(name);
 242         blob->data = os_malloc(len / 2);
 243         if (blob->name == NULL || blob->data == NULL) {
 244                 wpa_config_free_blob(blob);
 245                 return -1;
 246         }
 247
 248         if (hexstr2bin(pos, blob->data, len / 2) < 0) {
 249                 wpa_printf(MSG_DEBUG, "CTRL: Invalid blob hex data");
 250                 wpa_config_free_blob(blob);
 251                 return -1;
 252         }
 253         blob->len = len / 2;
 254
 255         wpa_config_set_blob(wpa_s->conf, blob);
 256
 257         return 0;
 258 }
 259 #endif /* CONFIG_NO_CONFIG_BLOBS */
 260
 261
 262 static int wpas_ctrl_pno(struct wpa_supplicant *wpa_s, char *cmd)
 263 {
 264         char *params;
 265         char *pos;
 266         int *freqs = NULL;
 267         int ret;
 268
 269         if (atoi(cmd)) {
 270                 params = os_strchr(cmd, ' ');
 271                 os_free(wpa_s->manual_sched_scan_freqs);
 272                 if (params) {
 273                         params++;
 274                         pos = os_strstr(params, "freq=");
 275                         if (pos)
 276                                 freqs = freq_range_to_channel_list(wpa_s,
 277                                                                    pos + 5);
 278                 }
 279                 wpa_s->manual_sched_scan_freqs = freqs;
 280                 ret = wpas_start_pno(wpa_s);
 281         } else {
 282                 ret = wpas_stop_pno(wpa_s);
 283         }
 284         return ret;
 285 }
 286
 287
 288 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
 289                                          char *cmd)
 290 {
 291         char *value;
 292         int ret = 0;
 293
 294         value = os_strchr(cmd, ' ');
 295         if (value == NULL)
 296                 return -1;
 297         *value++ = '\0';
 298
 299         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
 300         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
 301                 eapol_sm_configure(wpa_s->eapol,
 302                                    atoi(value), -1, -1, -1);
 303         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
 304                 eapol_sm_configure(wpa_s->eapol,
 305                                    -1, atoi(value), -1, -1);
 306         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
 307                 eapol_sm_configure(wpa_s->eapol,
 308                                    -1, -1, atoi(value), -1);
 309         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
 310                 eapol_sm_configure(wpa_s->eapol,
 311                                    -1, -1, -1, atoi(value));
 312         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
 313                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
 314                                      atoi(value)))
 315                         ret = -1;
 316         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
 317                    0) {
 318                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
 319                                      atoi(value)))
 320                         ret = -1;
 321         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
 322                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
 323                         ret = -1;
 324         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
 325                 wpa_s->wps_fragment_size = atoi(value);
 326 #ifdef CONFIG_WPS_TESTING
 327         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
 328                 long int val;
 329                 val = strtol(value, NULL, 0);
 330                 if (val < 0 || val > 0xff) {
 331                         ret = -1;
 332                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
 333                                    "wps_version_number %ld", val);
 334                 } else {
 335                         wps_version_number = val;
 336                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
 337                                    "version %u.%u",
 338                                    (wps_version_number & 0xf0) >> 4,
 339                                    wps_version_number & 0x0f);
 340                 }
 341         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
 342                 wps_testing_dummy_cred = atoi(value);
 343                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
 344                            wps_testing_dummy_cred);
 345         } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
 346                 wps_corrupt_pkhash = atoi(value);
 347                 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
 348                            wps_corrupt_pkhash);
 349 #endif /* CONFIG_WPS_TESTING */
 350         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
 351                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
 352                         ret = -1;
 353 #ifdef CONFIG_TDLS
 354 #ifdef CONFIG_TDLS_TESTING
 355         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
 356                 extern unsigned int tdls_testing;
 357                 tdls_testing = strtol(value, NULL, 0);
 358                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
 359 #endif /* CONFIG_TDLS_TESTING */
 360         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
 361                 int disabled = atoi(value);
 362                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
 363                 if (disabled) {
 364                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
 365                                 ret = -1;
 366                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
 367                         ret = -1;
 368                 wpa_tdls_enable(wpa_s->wpa, !disabled);
 369 #endif /* CONFIG_TDLS */
 370         } else if (os_strcasecmp(cmd, "pno") == 0) {
 371                 ret = wpas_ctrl_pno(wpa_s, value);
 372         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
 373                 int disabled = atoi(value);
 374                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
 375                         ret = -1;
 376                 else if (disabled)
 377                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
 378         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
 379                 if (os_strcmp(value, "disable") == 0)
 380                         wpa_s->set_sta_uapsd = 0;
 381                 else {
 382                         int be, bk, vi, vo;
 383                         char *pos;
 384                         /* format: BE,BK,VI,VO;max SP Length */
 385                         be = atoi(value);
 386                         pos = os_strchr(value, ',');
 387                         if (pos == NULL)
 388                                 return -1;
 389                         pos++;
 390                         bk = atoi(pos);
 391                         pos = os_strchr(pos, ',');
 392                         if (pos == NULL)
 393                                 return -1;
 394                         pos++;
 395                         vi = atoi(pos);
 396                         pos = os_strchr(pos, ',');
 397                         if (pos == NULL)
 398                                 return -1;
 399                         pos++;
 400                         vo = atoi(pos);
 401                         /* ignore max SP Length for now */
 402
 403                         wpa_s->set_sta_uapsd = 1;
 404                         wpa_s->sta_uapsd = 0;
 405                         if (be)
 406                                 wpa_s->sta_uapsd |= BIT(0);
 407                         if (bk)
 408                                 wpa_s->sta_uapsd |= BIT(1);
 409                         if (vi)
 410                                 wpa_s->sta_uapsd |= BIT(2);
 411                         if (vo)
 412                                 wpa_s->sta_uapsd |= BIT(3);
 413                 }
 414         } else if (os_strcasecmp(cmd, "ps") == 0) {
 415                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
 416 #ifdef CONFIG_WIFI_DISPLAY
 417         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 418                 int enabled = !!atoi(value);
 419                 if (enabled && !wpa_s->global->p2p)
 420                         ret = -1;
 421                 else
 422                         wifi_display_enable(wpa_s->global, enabled);
 423 #endif /* CONFIG_WIFI_DISPLAY */
 424         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
 425                 ret = set_bssid_filter(wpa_s, value);
 426         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
 427                 ret = set_disallow_aps(wpa_s, value);
 428         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
 429                 wpa_s->no_keep_alive = !!atoi(value);
 430 #ifdef CONFIG_TESTING_OPTIONS
 431         } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
 432                 wpa_s->ext_mgmt_frame_handling = !!atoi(value);
 433         } else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
 434                 wpa_s->ext_eapol_frame_io = !!atoi(value);
 435 #ifdef CONFIG_AP
 436                 if (wpa_s->ap_iface) {
 437                         wpa_s->ap_iface->bss[0]->ext_eapol_frame_io =
 438                                 wpa_s->ext_eapol_frame_io;
 439                 }
 440 #endif /* CONFIG_AP */
 441         } else if (os_strcasecmp(cmd, "extra_roc_dur") == 0) {
 442                 wpa_s->extra_roc_dur = atoi(value);
 443         } else if (os_strcasecmp(cmd, "test_failure") == 0) {
 444                 wpa_s->test_failure = atoi(value);
 445 #endif /* CONFIG_TESTING_OPTIONS */
 446 #ifndef CONFIG_NO_CONFIG_BLOBS
 447         } else if (os_strcmp(cmd, "blob") == 0) {
 448                 ret = wpas_ctrl_set_blob(wpa_s, value);
 449 #endif /* CONFIG_NO_CONFIG_BLOBS */
 450         } else if (os_strcasecmp(cmd, "setband") == 0) {
 451                 if (os_strcmp(value, "AUTO") == 0)
 452                         wpa_s->setband = WPA_SETBAND_AUTO;
 453                 else if (os_strcmp(value, "5G") == 0)
 454                         wpa_s->setband = WPA_SETBAND_5G;
 455                 else if (os_strcmp(value, "2G") == 0)
 456                         wpa_s->setband = WPA_SETBAND_2G;
 457                 else
 458                         ret = -1;
 459         } else {
 460                 value[-1] = '=';
 461                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
 462                 if (ret == 0)
 463                         wpa_supplicant_update_config(wpa_s);
 464         }
 465
 466         return ret;
 467 }
 468
 469
 470 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
 471                                          char *cmd, char *buf, size_t buflen)
 472 {
 473         int res = -1;
 474
 475         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
 476
 477         if (os_strcmp(cmd, "version") == 0) {
 478                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
 479         } else if (os_strcasecmp(cmd, "country") == 0) {
 480                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
 481                         res = os_snprintf(buf, buflen, "%c%c",
 482                                           wpa_s->conf->country[0],
 483                                           wpa_s->conf->country[1]);
 484 #ifdef CONFIG_WIFI_DISPLAY
 485         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 486                 int enabled;
 487                 if (wpa_s->global->p2p == NULL ||
 488                     wpa_s->global->p2p_disabled)
 489                         enabled = 0;
 490                 else
 491                         enabled = wpa_s->global->wifi_display;
 492                 res = os_snprintf(buf, buflen, "%d", enabled);
 493 #endif /* CONFIG_WIFI_DISPLAY */
 494 #ifdef CONFIG_TESTING_GET_GTK
 495         } else if (os_strcmp(cmd, "gtk") == 0) {
 496                 if (wpa_s->last_gtk_len == 0)
 497                         return -1;
 498                 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
 499                                        wpa_s->last_gtk_len);
 500                 return res;
 501 #endif /* CONFIG_TESTING_GET_GTK */
 502         } else if (os_strcmp(cmd, "tls_library") == 0) {
 503                 res = tls_get_library_version(buf, buflen);
 504         } else {
 505                 res = wpa_config_get_value(cmd, wpa_s->conf, buf, buflen);
 506         }
 507
 508         if (os_snprintf_error(buflen, res))
 509                 return -1;
 510         return res;
 511 }
 512
 513
 514 #ifdef IEEE8021X_EAPOL
 515 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
 516                                              char *addr)
 517 {
 518         u8 bssid[ETH_ALEN];
 519         struct wpa_ssid *ssid = wpa_s->current_ssid;
 520
 521         if (hwaddr_aton(addr, bssid)) {
 522                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
 523                            "'%s'", addr);
 524                 return -1;
 525         }
 526
 527         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
 528         rsn_preauth_deinit(wpa_s->wpa);
 529         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
 530                 return -1;
 531
 532         return 0;
 533 }
 534 #endif /* IEEE8021X_EAPOL */
 535
 536
 537 #ifdef CONFIG_PEERKEY
 538 /* MLME-STKSTART.request(peer) */
 539 static int wpa_supplicant_ctrl_iface_stkstart(
 540         struct wpa_supplicant *wpa_s, char *addr)
 541 {
 542         u8 peer[ETH_ALEN];
 543
 544         if (hwaddr_aton(addr, peer)) {
 545                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
 546                            "address '%s'", addr);
 547                 return -1;
 548         }
 549
 550         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
 551                    MAC2STR(peer));
 552
 553         return wpa_sm_stkstart(wpa_s->wpa, peer);
 554 }
 555 #endif /* CONFIG_PEERKEY */
 556
 557
 558 #ifdef CONFIG_TDLS
 559
 560 static int wpa_supplicant_ctrl_iface_tdls_discover(
 561         struct wpa_supplicant *wpa_s, char *addr)
 562 {
 563         u8 peer[ETH_ALEN];
 564         int ret;
 565
 566         if (hwaddr_aton(addr, peer)) {
 567                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
 568                            "address '%s'", addr);
 569                 return -1;
 570         }
 571
 572         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
 573                    MAC2STR(peer));
 574
 575         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 576                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
 577         else
 578                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
 579
 580         return ret;
 581 }
 582
 583
 584 static int wpa_supplicant_ctrl_iface_tdls_setup(
 585         struct wpa_supplicant *wpa_s, char *addr)
 586 {
 587         u8 peer[ETH_ALEN];
 588         int ret;
 589
 590         if (hwaddr_aton(addr, peer)) {
 591                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
 592                            "address '%s'", addr);
 593                 return -1;
 594         }
 595
 596         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
 597                    MAC2STR(peer));
 598
 599         if ((wpa_s->conf->tdls_external_control) &&
 600             wpa_tdls_is_external_setup(wpa_s->wpa))
 601                 return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 602
 603         wpa_tdls_remove(wpa_s->wpa, peer);
 604
 605         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 606                 ret = wpa_tdls_start(wpa_s->wpa, peer);
 607         else
 608                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 609
 610         return ret;
 611 }
 612
 613
 614 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 615         struct wpa_supplicant *wpa_s, char *addr)
 616 {
 617         u8 peer[ETH_ALEN];
 618         int ret;
 619
 620         if (os_strcmp(addr, "*") == 0) {
 621                 /* remove everyone */
 622                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN *");
 623                 wpa_tdls_teardown_peers(wpa_s->wpa);
 624                 return 0;
 625         }
 626
 627         if (hwaddr_aton(addr, peer)) {
 628                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 629                            "address '%s'", addr);
 630                 return -1;
 631         }
 632
 633         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 634                    MAC2STR(peer));
 635
 636         if ((wpa_s->conf->tdls_external_control) &&
 637             wpa_tdls_is_external_setup(wpa_s->wpa))
 638                 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 639
 640         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 641                 ret = wpa_tdls_teardown_link(
 642                         wpa_s->wpa, peer,
 643                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 644         else
 645                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 646
 647         return ret;
 648 }
 649
 650
 651 static int ctrl_iface_get_capability_tdls(
 652         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
 653 {
 654         int ret;
 655
 656         ret = os_snprintf(buf, buflen, "%s\n",
 657                           wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
 658                           (wpa_s->drv_flags &
 659                            WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
 660                            "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
 661         if (os_snprintf_error(buflen, ret))
 662                 return -1;
 663         return ret;
 664 }
 665
 666
 667 static int wpa_supplicant_ctrl_iface_tdls_chan_switch(
 668         struct wpa_supplicant *wpa_s, char *cmd)
 669 {
 670         u8 peer[ETH_ALEN];
 671         struct hostapd_freq_params freq_params;
 672         u8 oper_class;
 673         char *pos, *end;
 674
 675         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
 676                 wpa_printf(MSG_INFO,
 677                            "tdls_chanswitch: Only supported with external setup");
 678                 return -1;
 679         }
 680
 681         os_memset(&freq_params, 0, sizeof(freq_params));
 682
 683         pos = os_strchr(cmd, ' ');
 684         if (pos == NULL)
 685                 return -1;
 686         *pos++ = '\0';
 687
 688         oper_class = strtol(pos, &end, 10);
 689         if (pos == end) {
 690                 wpa_printf(MSG_INFO,
 691                            "tdls_chanswitch: Invalid op class provided");
 692                 return -1;
 693         }
 694
 695         pos = end;
 696         freq_params.freq = atoi(pos);
 697         if (freq_params.freq == 0) {
 698                 wpa_printf(MSG_INFO, "tdls_chanswitch: Invalid freq provided");
 699                 return -1;
 700         }
 701
 702 #define SET_FREQ_SETTING(str) \
 703         do { \
 704                 const char *pos2 = os_strstr(pos, " " #str "="); \
 705                 if (pos2) { \
 706                         pos2 += sizeof(" " #str "=") - 1; \
 707                         freq_params.str = atoi(pos2); \
 708                 } \
 709         } while (0)
 710
 711         SET_FREQ_SETTING(center_freq1);
 712         SET_FREQ_SETTING(center_freq2);
 713         SET_FREQ_SETTING(bandwidth);
 714         SET_FREQ_SETTING(sec_channel_offset);
 715 #undef SET_FREQ_SETTING
 716
 717         freq_params.ht_enabled = !!os_strstr(pos, " ht");
 718         freq_params.vht_enabled = !!os_strstr(pos, " vht");
 719
 720         if (hwaddr_aton(cmd, peer)) {
 721                 wpa_printf(MSG_DEBUG,
 722                            "CTRL_IFACE TDLS_CHAN_SWITCH: Invalid address '%s'",
 723                            cmd);
 724                 return -1;
 725         }
 726
 727         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CHAN_SWITCH " MACSTR
 728                    " OP CLASS %d FREQ %d CENTER1 %d CENTER2 %d BW %d SEC_OFFSET %d%s%s",
 729                    MAC2STR(peer), oper_class, freq_params.freq,
 730                    freq_params.center_freq1, freq_params.center_freq2,
 731                    freq_params.bandwidth, freq_params.sec_channel_offset,
 732                    freq_params.ht_enabled ? " HT" : "",
 733                    freq_params.vht_enabled ? " VHT" : "");
 734
 735         return wpa_tdls_enable_chan_switch(wpa_s->wpa, peer, oper_class,
 736                                            &freq_params);
 737 }
 738
 739
 740 static int wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(
 741         struct wpa_supplicant *wpa_s, char *cmd)
 742 {
 743         u8 peer[ETH_ALEN];
 744
 745         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
 746                 wpa_printf(MSG_INFO,
 747                            "tdls_chanswitch: Only supported with external setup");
 748                 return -1;
 749         }
 750
 751         if (hwaddr_aton(cmd, peer)) {
 752                 wpa_printf(MSG_DEBUG,
 753                            "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH: Invalid address '%s'",
 754                            cmd);
 755                 return -1;
 756         }
 757
 758         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH " MACSTR,
 759                    MAC2STR(peer));
 760
 761         return wpa_tdls_disable_chan_switch(wpa_s->wpa, peer);
 762 }
 763
 764
 765 static int wpa_supplicant_ctrl_iface_tdls_link_status(
 766         struct wpa_supplicant *wpa_s, const char *addr,
 767         char *buf, size_t buflen)
 768 {
 769         u8 peer[ETH_ALEN];
 770         const char *tdls_status;
 771         int ret;
 772
 773         if (hwaddr_aton(addr, peer)) {
 774                 wpa_printf(MSG_DEBUG,
 775                            "CTRL_IFACE TDLS_LINK_STATUS: Invalid address '%s'",
 776                            addr);
 777                 return -1;
 778         }
 779         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS " MACSTR,
 780                    MAC2STR(peer));
 781
 782         tdls_status = wpa_tdls_get_link_status(wpa_s->wpa, peer);
 783         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS: %s", tdls_status);
 784         ret = os_snprintf(buf, buflen, "TDLS link status: %s\n", tdls_status);
 785         if (os_snprintf_error(buflen, ret))
 786                 return -1;
 787
 788         return ret;
 789 }
 790
 791 #endif /* CONFIG_TDLS */
 792
 793
 794 static int wmm_ac_ctrl_addts(struct wpa_supplicant *wpa_s, char *cmd)
 795 {
 796         char *token, *context = NULL;
 797         struct wmm_ac_ts_setup_params params = {
 798                 .tsid = 0xff,
 799                 .direction = 0xff,
 800         };
 801
 802         while ((token = str_token(cmd, " ", &context))) {
 803                 if (sscanf(token, "tsid=%i", &params.tsid) == 1 ||
 804                     sscanf(token, "up=%i", &params.user_priority) == 1 ||
 805                     sscanf(token, "nominal_msdu_size=%i",
 806                            &params.nominal_msdu_size) == 1 ||
 807                     sscanf(token, "mean_data_rate=%i",
 808                            &params.mean_data_rate) == 1 ||
 809                     sscanf(token, "min_phy_rate=%i",
 810                            &params.minimum_phy_rate) == 1 ||
 811                     sscanf(token, "sba=%i",
 812                            &params.surplus_bandwidth_allowance) == 1)
 813                         continue;
 814
 815                 if (os_strcasecmp(token, "downlink") == 0) {
 816                         params.direction = WMM_TSPEC_DIRECTION_DOWNLINK;
 817                 } else if (os_strcasecmp(token, "uplink") == 0) {
 818                         params.direction = WMM_TSPEC_DIRECTION_UPLINK;
 819                 } else if (os_strcasecmp(token, "bidi") == 0) {
 820                         params.direction = WMM_TSPEC_DIRECTION_BI_DIRECTIONAL;
 821                 } else if (os_strcasecmp(token, "fixed_nominal_msdu") == 0) {
 822                         params.fixed_nominal_msdu = 1;
 823                 } else {
 824                         wpa_printf(MSG_DEBUG,
 825                                    "CTRL: Invalid WMM_AC_ADDTS parameter: '%s'",
 826                                    token);
 827                         return -1;
 828                 }
 829
 830         }
 831
 832         return wpas_wmm_ac_addts(wpa_s, &params);
 833 }
 834
 835
 836 static int wmm_ac_ctrl_delts(struct wpa_supplicant *wpa_s, char *cmd)
 837 {
 838         u8 tsid = atoi(cmd);
 839
 840         return wpas_wmm_ac_delts(wpa_s, tsid);
 841 }
 842
 843
 844 #ifdef CONFIG_IEEE80211R
 845 static int wpa_supplicant_ctrl_iface_ft_ds(
 846         struct wpa_supplicant *wpa_s, char *addr)
 847 {
 848         u8 target_ap[ETH_ALEN];
 849         struct wpa_bss *bss;
 850         const u8 *mdie;
 851
 852         if (hwaddr_aton(addr, target_ap)) {
 853                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 854                            "address '%s'", addr);
 855                 return -1;
 856         }
 857
 858         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 859
 860         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 861         if (bss)
 862                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 863         else
 864                 mdie = NULL;
 865
 866         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 867 }
 868 #endif /* CONFIG_IEEE80211R */
 869
 870
 871 #ifdef CONFIG_WPS
 872 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 873                                              char *cmd)
 874 {
 875         u8 bssid[ETH_ALEN], *_bssid = bssid;
 876 #ifdef CONFIG_P2P
 877         u8 p2p_dev_addr[ETH_ALEN];
 878 #endif /* CONFIG_P2P */
 879 #ifdef CONFIG_AP
 880         u8 *_p2p_dev_addr = NULL;
 881 #endif /* CONFIG_AP */
 882
 883         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 884                 _bssid = NULL;
 885 #ifdef CONFIG_P2P
 886         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 887                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 888                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 889                                    "P2P Device Address '%s'",
 890                                    cmd + 13);
 891                         return -1;
 892                 }
 893                 _p2p_dev_addr = p2p_dev_addr;
 894 #endif /* CONFIG_P2P */
 895         } else if (hwaddr_aton(cmd, bssid)) {
 896                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 897                            cmd);
 898                 return -1;
 899         }
 900
 901 #ifdef CONFIG_AP
 902         if (wpa_s->ap_iface)
 903                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 904 #endif /* CONFIG_AP */
 905
 906         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 907 }
 908
 909
 910 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 911                                              char *cmd, char *buf,
 912                                              size_t buflen)
 913 {
 914         u8 bssid[ETH_ALEN], *_bssid = bssid;
 915         char *pin;
 916         int ret;
 917
 918         pin = os_strchr(cmd, ' ');
 919         if (pin)
 920                 *pin++ = '\0';
 921
 922         if (os_strcmp(cmd, "any") == 0)
 923                 _bssid = NULL;
 924         else if (os_strcmp(cmd, "get") == 0) {
 925                 ret = wps_generate_pin();
 926                 goto done;
 927         } else if (hwaddr_aton(cmd, bssid)) {
 928                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 929                            cmd);
 930                 return -1;
 931         }
 932
 933 #ifdef CONFIG_AP
 934         if (wpa_s->ap_iface) {
 935                 int timeout = 0;
 936                 char *pos;
 937
 938                 if (pin) {
 939                         pos = os_strchr(pin, ' ');
 940                         if (pos) {
 941                                 *pos++ = '\0';
 942                                 timeout = atoi(pos);
 943                         }
 944                 }
 945
 946                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 947                                                  buf, buflen, timeout);
 948         }
 949 #endif /* CONFIG_AP */
 950
 951         if (pin) {
 952                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 953                                          DEV_PW_DEFAULT);
 954                 if (ret < 0)
 955                         return -1;
 956                 ret = os_snprintf(buf, buflen, "%s", pin);
 957                 if (os_snprintf_error(buflen, ret))
 958                         return -1;
 959                 return ret;
 960         }
 961
 962         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 963         if (ret < 0)
 964                 return -1;
 965
 966 done:
 967         /* Return the generated PIN */
 968         ret = os_snprintf(buf, buflen, "%08d", ret);
 969         if (os_snprintf_error(buflen, ret))
 970                 return -1;
 971         return ret;
 972 }
 973
 974
 975 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 976         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 977 {
 978         char pin[9];
 979         size_t len;
 980         char *pos;
 981         int ret;
 982
 983         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
 984                               (u8 *) cmd, os_strlen(cmd));
 985         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
 986                 if (*pos < '0' || *pos > '9')
 987                         continue;
 988                 pin[len++] = *pos;
 989                 if (len == 9) {
 990                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
 991                         return -1;
 992                 }
 993         }
 994         if (len != 4 && len != 8) {
 995                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
 996                 return -1;
 997         }
 998         pin[len] = '\0';
 999
1000         if (len == 8) {
1001                 unsigned int pin_val;
1002                 pin_val = atoi(pin);
1003                 if (!wps_pin_valid(pin_val)) {
1004                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
1005                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
1006                         if (os_snprintf_error(buflen, ret))
1007                                 return -1;
1008                         return ret;
1009                 }
1010         }
1011
1012         ret = os_snprintf(buf, buflen, "%s", pin);
1013         if (os_snprintf_error(buflen, ret))
1014                 return -1;
1015
1016         return ret;
1017 }
1018
1019
1020 #ifdef CONFIG_WPS_NFC
1021
1022 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
1023                                              char *cmd)
1024 {
1025         u8 bssid[ETH_ALEN], *_bssid = bssid;
1026
1027         if (cmd == NULL || cmd[0] == '\0')
1028                 _bssid = NULL;
1029         else if (hwaddr_aton(cmd, bssid))
1030                 return -1;
1031
1032         return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
1033                                   0, 0);
1034 }
1035
1036
1037 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
1038         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1039 {
1040         int ndef;
1041         struct wpabuf *buf;
1042         int res;
1043         char *pos;
1044
1045         pos = os_strchr(cmd, ' ');
1046         if (pos)
1047                 *pos++ = '\0';
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_config_token(wpa_s, ndef, pos);
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_token(
1071         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1072 {
1073         int ndef;
1074         struct wpabuf *buf;
1075         int res;
1076
1077         if (os_strcmp(cmd, "WPS") == 0)
1078                 ndef = 0;
1079         else if (os_strcmp(cmd, "NDEF") == 0)
1080                 ndef = 1;
1081         else
1082                 return -1;
1083
1084         buf = wpas_wps_nfc_token(wpa_s, ndef);
1085         if (buf == NULL)
1086                 return -1;
1087
1088         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1089                                          wpabuf_len(buf));
1090         reply[res++] = '\n';
1091         reply[res] = '\0';
1092
1093         wpabuf_free(buf);
1094
1095         return res;
1096 }
1097
1098
1099 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
1100         struct wpa_supplicant *wpa_s, char *pos)
1101 {
1102         size_t len;
1103         struct wpabuf *buf;
1104         int ret;
1105         char *freq;
1106         int forced_freq = 0;
1107
1108         freq = strstr(pos, " freq=");
1109         if (freq) {
1110                 *freq = '\0';
1111                 freq += 6;
1112                 forced_freq = atoi(freq);
1113         }
1114
1115         len = os_strlen(pos);
1116         if (len & 0x01)
1117                 return -1;
1118         len /= 2;
1119
1120         buf = wpabuf_alloc(len);
1121         if (buf == NULL)
1122                 return -1;
1123         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
1124                 wpabuf_free(buf);
1125                 return -1;
1126         }
1127
1128         ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
1129         wpabuf_free(buf);
1130
1131         return ret;
1132 }
1133
1134
1135 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
1136                                               char *reply, size_t max_len,
1137                                               int ndef)
1138 {
1139         struct wpabuf *buf;
1140         int res;
1141
1142         buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
1143         if (buf == NULL)
1144                 return -1;
1145
1146         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1147                                          wpabuf_len(buf));
1148         reply[res++] = '\n';
1149         reply[res] = '\0';
1150
1151         wpabuf_free(buf);
1152
1153         return res;
1154 }
1155
1156
1157 #ifdef CONFIG_P2P
1158 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
1159                                               char *reply, size_t max_len,
1160                                               int ndef)
1161 {
1162         struct wpabuf *buf;
1163         int res;
1164
1165         buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
1166         if (buf == NULL) {
1167                 wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
1168                 return -1;
1169         }
1170
1171         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1172                                          wpabuf_len(buf));
1173         reply[res++] = '\n';
1174         reply[res] = '\0';
1175
1176         wpabuf_free(buf);
1177
1178         return res;
1179 }
1180 #endif /* CONFIG_P2P */
1181
1182
1183 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
1184                                           char *cmd, char *reply,
1185                                           size_t max_len)
1186 {
1187         char *pos;
1188         int ndef;
1189
1190         pos = os_strchr(cmd, ' ');
1191         if (pos == NULL)
1192                 return -1;
1193         *pos++ = '\0';
1194
1195         if (os_strcmp(cmd, "WPS") == 0)
1196                 ndef = 0;
1197         else if (os_strcmp(cmd, "NDEF") == 0)
1198                 ndef = 1;
1199         else
1200                 return -1;
1201
1202         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1203                 if (!ndef)
1204                         return -1;
1205                 return wpas_ctrl_nfc_get_handover_req_wps(
1206                         wpa_s, reply, max_len, ndef);
1207         }
1208
1209 #ifdef CONFIG_P2P
1210         if (os_strcmp(pos, "P2P-CR") == 0) {
1211                 return wpas_ctrl_nfc_get_handover_req_p2p(
1212                         wpa_s, reply, max_len, ndef);
1213         }
1214 #endif /* CONFIG_P2P */
1215
1216         return -1;
1217 }
1218
1219
1220 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1221                                               char *reply, size_t max_len,
1222                                               int ndef, int cr, char *uuid)
1223 {
1224         struct wpabuf *buf;
1225         int res;
1226
1227         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1228         if (buf == NULL)
1229                 return -1;
1230
1231         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1232                                          wpabuf_len(buf));
1233         reply[res++] = '\n';
1234         reply[res] = '\0';
1235
1236         wpabuf_free(buf);
1237
1238         return res;
1239 }
1240
1241
1242 #ifdef CONFIG_P2P
1243 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1244                                               char *reply, size_t max_len,
1245                                               int ndef, int tag)
1246 {
1247         struct wpabuf *buf;
1248         int res;
1249
1250         buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1251         if (buf == NULL)
1252                 return -1;
1253
1254         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1255                                          wpabuf_len(buf));
1256         reply[res++] = '\n';
1257         reply[res] = '\0';
1258
1259         wpabuf_free(buf);
1260
1261         return res;
1262 }
1263 #endif /* CONFIG_P2P */
1264
1265
1266 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1267                                           char *cmd, char *reply,
1268                                           size_t max_len)
1269 {
1270         char *pos, *pos2;
1271         int ndef;
1272
1273         pos = os_strchr(cmd, ' ');
1274         if (pos == NULL)
1275                 return -1;
1276         *pos++ = '\0';
1277
1278         if (os_strcmp(cmd, "WPS") == 0)
1279                 ndef = 0;
1280         else if (os_strcmp(cmd, "NDEF") == 0)
1281                 ndef = 1;
1282         else
1283                 return -1;
1284
1285         pos2 = os_strchr(pos, ' ');
1286         if (pos2)
1287                 *pos2++ = '\0';
1288         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1289                 if (!ndef)
1290                         return -1;
1291                 return wpas_ctrl_nfc_get_handover_sel_wps(
1292                         wpa_s, reply, max_len, ndef,
1293                         os_strcmp(pos, "WPS-CR") == 0, pos2);
1294         }
1295
1296 #ifdef CONFIG_P2P
1297         if (os_strcmp(pos, "P2P-CR") == 0) {
1298                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1299                         wpa_s, reply, max_len, ndef, 0);
1300         }
1301
1302         if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1303                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1304                         wpa_s, reply, max_len, ndef, 1);
1305         }
1306 #endif /* CONFIG_P2P */
1307
1308         return -1;
1309 }
1310
1311
1312 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1313                                          char *cmd)
1314 {
1315         size_t len;
1316         struct wpabuf *req, *sel;
1317         int ret;
1318         char *pos, *role, *type, *pos2;
1319 #ifdef CONFIG_P2P
1320         char *freq;
1321         int forced_freq = 0;
1322
1323         freq = strstr(cmd, " freq=");
1324         if (freq) {
1325                 *freq = '\0';
1326                 freq += 6;
1327                 forced_freq = atoi(freq);
1328         }
1329 #endif /* CONFIG_P2P */
1330
1331         role = cmd;
1332         pos = os_strchr(role, ' ');
1333         if (pos == NULL) {
1334                 wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1335                 return -1;
1336         }
1337         *pos++ = '\0';
1338
1339         type = pos;
1340         pos = os_strchr(type, ' ');
1341         if (pos == NULL) {
1342                 wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1343                 return -1;
1344         }
1345         *pos++ = '\0';
1346
1347         pos2 = os_strchr(pos, ' ');
1348         if (pos2 == NULL) {
1349                 wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1350                 return -1;
1351         }
1352         *pos2++ = '\0';
1353
1354         len = os_strlen(pos);
1355         if (len & 0x01) {
1356                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1357                 return -1;
1358         }
1359         len /= 2;
1360
1361         req = wpabuf_alloc(len);
1362         if (req == NULL) {
1363                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1364                 return -1;
1365         }
1366         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1367                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1368                 wpabuf_free(req);
1369                 return -1;
1370         }
1371
1372         len = os_strlen(pos2);
1373         if (len & 0x01) {
1374                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1375                 wpabuf_free(req);
1376                 return -1;
1377         }
1378         len /= 2;
1379
1380         sel = wpabuf_alloc(len);
1381         if (sel == NULL) {
1382                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1383                 wpabuf_free(req);
1384                 return -1;
1385         }
1386         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1387                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1388                 wpabuf_free(req);
1389                 wpabuf_free(sel);
1390                 return -1;
1391         }
1392
1393         wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1394                    role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1395
1396         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1397                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1398 #ifdef CONFIG_AP
1399         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1400         {
1401                 ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1402                 if (ret < 0)
1403                         ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1404 #endif /* CONFIG_AP */
1405 #ifdef CONFIG_P2P
1406         } else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1407         {
1408                 ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1409         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1410         {
1411                 ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1412                                                    forced_freq);
1413 #endif /* CONFIG_P2P */
1414         } else {
1415                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1416                            "reported: role=%s type=%s", role, type);
1417                 ret = -1;
1418         }
1419         wpabuf_free(req);
1420         wpabuf_free(sel);
1421
1422         if (ret)
1423                 wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1424
1425         return ret;
1426 }
1427
1428 #endif /* CONFIG_WPS_NFC */
1429
1430
1431 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1432                                              char *cmd)
1433 {
1434         u8 bssid[ETH_ALEN];
1435         char *pin;
1436         char *new_ssid;
1437         char *new_auth;
1438         char *new_encr;
1439         char *new_key;
1440         struct wps_new_ap_settings ap;
1441
1442         pin = os_strchr(cmd, ' ');
1443         if (pin == NULL)
1444                 return -1;
1445         *pin++ = '\0';
1446
1447         if (hwaddr_aton(cmd, bssid)) {
1448                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1449                            cmd);
1450                 return -1;
1451         }
1452
1453         new_ssid = os_strchr(pin, ' ');
1454         if (new_ssid == NULL)
1455                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1456         *new_ssid++ = '\0';
1457
1458         new_auth = os_strchr(new_ssid, ' ');
1459         if (new_auth == NULL)
1460                 return -1;
1461         *new_auth++ = '\0';
1462
1463         new_encr = os_strchr(new_auth, ' ');
1464         if (new_encr == NULL)
1465                 return -1;
1466         *new_encr++ = '\0';
1467
1468         new_key = os_strchr(new_encr, ' ');
1469         if (new_key == NULL)
1470                 return -1;
1471         *new_key++ = '\0';
1472
1473         os_memset(&ap, 0, sizeof(ap));
1474         ap.ssid_hex = new_ssid;
1475         ap.auth = new_auth;
1476         ap.encr = new_encr;
1477         ap.key_hex = new_key;
1478         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1479 }
1480
1481
1482 #ifdef CONFIG_AP
1483 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1484                                                 char *cmd, char *buf,
1485                                                 size_t buflen)
1486 {
1487         int timeout = 300;
1488         char *pos;
1489         const char *pin_txt;
1490
1491         if (!wpa_s->ap_iface)
1492                 return -1;
1493
1494         pos = os_strchr(cmd, ' ');
1495         if (pos)
1496                 *pos++ = '\0';
1497
1498         if (os_strcmp(cmd, "disable") == 0) {
1499                 wpas_wps_ap_pin_disable(wpa_s);
1500                 return os_snprintf(buf, buflen, "OK\n");
1501         }
1502
1503         if (os_strcmp(cmd, "random") == 0) {
1504                 if (pos)
1505                         timeout = atoi(pos);
1506                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1507                 if (pin_txt == NULL)
1508                         return -1;
1509                 return os_snprintf(buf, buflen, "%s", pin_txt);
1510         }
1511
1512         if (os_strcmp(cmd, "get") == 0) {
1513                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1514                 if (pin_txt == NULL)
1515                         return -1;
1516                 return os_snprintf(buf, buflen, "%s", pin_txt);
1517         }
1518
1519         if (os_strcmp(cmd, "set") == 0) {
1520                 char *pin;
1521                 if (pos == NULL)
1522                         return -1;
1523                 pin = pos;
1524                 pos = os_strchr(pos, ' ');
1525                 if (pos) {
1526                         *pos++ = '\0';
1527                         timeout = atoi(pos);
1528                 }
1529                 if (os_strlen(pin) > buflen)
1530                         return -1;
1531                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1532                         return -1;
1533                 return os_snprintf(buf, buflen, "%s", pin);
1534         }
1535
1536         return -1;
1537 }
1538 #endif /* CONFIG_AP */
1539
1540
1541 #ifdef CONFIG_WPS_ER
1542 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1543                                                 char *cmd)
1544 {
1545         char *uuid = cmd, *pin, *pos;
1546         u8 addr_buf[ETH_ALEN], *addr = NULL;
1547         pin = os_strchr(uuid, ' ');
1548         if (pin == NULL)
1549                 return -1;
1550         *pin++ = '\0';
1551         pos = os_strchr(pin, ' ');
1552         if (pos) {
1553                 *pos++ = '\0';
1554                 if (hwaddr_aton(pos, addr_buf) == 0)
1555                         addr = addr_buf;
1556         }
1557         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1558 }
1559
1560
1561 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1562                                                   char *cmd)
1563 {
1564         char *uuid = cmd, *pin;
1565         pin = os_strchr(uuid, ' ');
1566         if (pin == NULL)
1567                 return -1;
1568         *pin++ = '\0';
1569         return wpas_wps_er_learn(wpa_s, uuid, pin);
1570 }
1571
1572
1573 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1574         struct wpa_supplicant *wpa_s, char *cmd)
1575 {
1576         char *uuid = cmd, *id;
1577         id = os_strchr(uuid, ' ');
1578         if (id == NULL)
1579                 return -1;
1580         *id++ = '\0';
1581         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1582 }
1583
1584
1585 static int wpa_supplicant_ctrl_iface_wps_er_config(
1586         struct wpa_supplicant *wpa_s, char *cmd)
1587 {
1588         char *pin;
1589         char *new_ssid;
1590         char *new_auth;
1591         char *new_encr;
1592         char *new_key;
1593         struct wps_new_ap_settings ap;
1594
1595         pin = os_strchr(cmd, ' ');
1596         if (pin == NULL)
1597                 return -1;
1598         *pin++ = '\0';
1599
1600         new_ssid = os_strchr(pin, ' ');
1601         if (new_ssid == NULL)
1602                 return -1;
1603         *new_ssid++ = '\0';
1604
1605         new_auth = os_strchr(new_ssid, ' ');
1606         if (new_auth == NULL)
1607                 return -1;
1608         *new_auth++ = '\0';
1609
1610         new_encr = os_strchr(new_auth, ' ');
1611         if (new_encr == NULL)
1612                 return -1;
1613         *new_encr++ = '\0';
1614
1615         new_key = os_strchr(new_encr, ' ');
1616         if (new_key == NULL)
1617                 return -1;
1618         *new_key++ = '\0';
1619
1620         os_memset(&ap, 0, sizeof(ap));
1621         ap.ssid_hex = new_ssid;
1622         ap.auth = new_auth;
1623         ap.encr = new_encr;
1624         ap.key_hex = new_key;
1625         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1626 }
1627
1628
1629 #ifdef CONFIG_WPS_NFC
1630 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1631         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1632 {
1633         int ndef;
1634         struct wpabuf *buf;
1635         int res;
1636         char *uuid;
1637
1638         uuid = os_strchr(cmd, ' ');
1639         if (uuid == NULL)
1640                 return -1;
1641         *uuid++ = '\0';
1642
1643         if (os_strcmp(cmd, "WPS") == 0)
1644                 ndef = 0;
1645         else if (os_strcmp(cmd, "NDEF") == 0)
1646                 ndef = 1;
1647         else
1648                 return -1;
1649
1650         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1651         if (buf == NULL)
1652                 return -1;
1653
1654         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1655                                          wpabuf_len(buf));
1656         reply[res++] = '\n';
1657         reply[res] = '\0';
1658
1659         wpabuf_free(buf);
1660
1661         return res;
1662 }
1663 #endif /* CONFIG_WPS_NFC */
1664 #endif /* CONFIG_WPS_ER */
1665
1666 #endif /* CONFIG_WPS */
1667
1668
1669 #ifdef CONFIG_IBSS_RSN
1670 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1671         struct wpa_supplicant *wpa_s, char *addr)
1672 {
1673         u8 peer[ETH_ALEN];
1674
1675         if (hwaddr_aton(addr, peer)) {
1676                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1677                            "address '%s'", addr);
1678                 return -1;
1679         }
1680
1681         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1682                    MAC2STR(peer));
1683
1684         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1685 }
1686 #endif /* CONFIG_IBSS_RSN */
1687
1688
1689 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1690                                               char *rsp)
1691 {
1692 #ifdef IEEE8021X_EAPOL
1693         char *pos, *id_pos;
1694         int id;
1695         struct wpa_ssid *ssid;
1696
1697         pos = os_strchr(rsp, '-');
1698         if (pos == NULL)
1699                 return -1;
1700         *pos++ = '\0';
1701         id_pos = pos;
1702         pos = os_strchr(pos, ':');
1703         if (pos == NULL)
1704                 return -1;
1705         *pos++ = '\0';
1706         id = atoi(id_pos);
1707         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1708         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1709                               (u8 *) pos, os_strlen(pos));
1710
1711         ssid = wpa_config_get_network(wpa_s->conf, id);
1712         if (ssid == NULL) {
1713                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1714                            "to update", id);
1715                 return -1;
1716         }
1717
1718         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1719                                                          pos);
1720 #else /* IEEE8021X_EAPOL */
1721         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1722         return -1;
1723 #endif /* IEEE8021X_EAPOL */
1724 }
1725
1726
1727 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1728                                             const char *params,
1729                                             char *buf, size_t buflen)
1730 {
1731         char *pos, *end, tmp[30];
1732         int res, verbose, wps, ret;
1733 #ifdef CONFIG_HS20
1734         const u8 *hs20;
1735 #endif /* CONFIG_HS20 */
1736         const u8 *sess_id;
1737         size_t sess_id_len;
1738
1739         if (os_strcmp(params, "-DRIVER") == 0)
1740                 return wpa_drv_status(wpa_s, buf, buflen);
1741         verbose = os_strcmp(params, "-VERBOSE") == 0;
1742         wps = os_strcmp(params, "-WPS") == 0;
1743         pos = buf;
1744         end = buf + buflen;
1745         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1746                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1747                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1748                                   MAC2STR(wpa_s->bssid));
1749                 if (os_snprintf_error(end - pos, ret))
1750                         return pos - buf;
1751                 pos += ret;
1752                 ret = os_snprintf(pos, end - pos, "freq=%u\n",
1753                                   wpa_s->assoc_freq);
1754                 if (os_snprintf_error(end - pos, ret))
1755                         return pos - buf;
1756                 pos += ret;
1757                 if (ssid) {
1758                         u8 *_ssid = ssid->ssid;
1759                         size_t ssid_len = ssid->ssid_len;
1760                         u8 ssid_buf[SSID_MAX_LEN];
1761                         if (ssid_len == 0) {
1762                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1763                                 if (_res < 0)
1764                                         ssid_len = 0;
1765                                 else
1766                                         ssid_len = _res;
1767                                 _ssid = ssid_buf;
1768                         }
1769                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1770                                           wpa_ssid_txt(_ssid, ssid_len),
1771                                           ssid->id);
1772                         if (os_snprintf_error(end - pos, ret))
1773                                 return pos - buf;
1774                         pos += ret;
1775
1776                         if (wps && ssid->passphrase &&
1777                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1778                             (ssid->mode == WPAS_MODE_AP ||
1779                              ssid->mode == WPAS_MODE_P2P_GO)) {
1780                                 ret = os_snprintf(pos, end - pos,
1781                                                   "passphrase=%s\n",
1782                                                   ssid->passphrase);
1783                                 if (os_snprintf_error(end - pos, ret))
1784                                         return pos - buf;
1785                                 pos += ret;
1786                         }
1787                         if (ssid->id_str) {
1788                                 ret = os_snprintf(pos, end - pos,
1789                                                   "id_str=%s\n",
1790                                                   ssid->id_str);
1791                                 if (os_snprintf_error(end - pos, ret))
1792                                         return pos - buf;
1793                                 pos += ret;
1794                         }
1795
1796                         switch (ssid->mode) {
1797                         case WPAS_MODE_INFRA:
1798                                 ret = os_snprintf(pos, end - pos,
1799                                                   "mode=station\n");
1800                                 break;
1801                         case WPAS_MODE_IBSS:
1802                                 ret = os_snprintf(pos, end - pos,
1803                                                   "mode=IBSS\n");
1804                                 break;
1805                         case WPAS_MODE_AP:
1806                                 ret = os_snprintf(pos, end - pos,
1807                                                   "mode=AP\n");
1808                                 break;
1809                         case WPAS_MODE_P2P_GO:
1810                                 ret = os_snprintf(pos, end - pos,
1811                                                   "mode=P2P GO\n");
1812                                 break;
1813                         case WPAS_MODE_P2P_GROUP_FORMATION:
1814                                 ret = os_snprintf(pos, end - pos,
1815                                                   "mode=P2P GO - group "
1816                                                   "formation\n");
1817                                 break;
1818                         default:
1819                                 ret = 0;
1820                                 break;
1821                         }
1822                         if (os_snprintf_error(end - pos, ret))
1823                                 return pos - buf;
1824                         pos += ret;
1825                 }
1826
1827 #ifdef CONFIG_AP
1828                 if (wpa_s->ap_iface) {
1829                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1830                                                             end - pos,
1831                                                             verbose);
1832                 } else
1833 #endif /* CONFIG_AP */
1834                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1835         }
1836 #ifdef CONFIG_SAE
1837         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1838 #ifdef CONFIG_AP
1839             !wpa_s->ap_iface &&
1840 #endif /* CONFIG_AP */
1841             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1842                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1843                                   wpa_s->sme.sae.group);
1844                 if (os_snprintf_error(end - pos, ret))
1845                         return pos - buf;
1846                 pos += ret;
1847         }
1848 #endif /* CONFIG_SAE */
1849         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1850                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1851         if (os_snprintf_error(end - pos, ret))
1852                 return pos - buf;
1853         pos += ret;
1854
1855         if (wpa_s->l2 &&
1856             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1857                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1858                 if (os_snprintf_error(end - pos, ret))
1859                         return pos - buf;
1860                 pos += ret;
1861         }
1862
1863 #ifdef CONFIG_P2P
1864         if (wpa_s->global->p2p) {
1865                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1866                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1867                 if (os_snprintf_error(end - pos, ret))
1868                         return pos - buf;
1869                 pos += ret;
1870         }
1871 #endif /* CONFIG_P2P */
1872
1873         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1874                           MAC2STR(wpa_s->own_addr));
1875         if (os_snprintf_error(end - pos, ret))
1876                 return pos - buf;
1877         pos += ret;
1878
1879 #ifdef CONFIG_HS20
1880         if (wpa_s->current_bss &&
1881             (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1882                                           HS20_IE_VENDOR_TYPE)) &&
1883             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1884             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1885                 int release = 1;
1886                 if (hs20[1] >= 5) {
1887                         u8 rel_num = (hs20[6] & 0xf0) >> 4;
1888                         release = rel_num + 1;
1889                 }
1890                 ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
1891                 if (os_snprintf_error(end - pos, ret))
1892                         return pos - buf;
1893                 pos += ret;
1894         }
1895
1896         if (wpa_s->current_ssid) {
1897                 struct wpa_cred *cred;
1898                 char *type;
1899
1900                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1901                         size_t i;
1902
1903                         if (wpa_s->current_ssid->parent_cred != cred)
1904                                 continue;
1905
1906                         if (cred->provisioning_sp) {
1907                                 ret = os_snprintf(pos, end - pos,
1908                                                   "provisioning_sp=%s\n",
1909                                                   cred->provisioning_sp);
1910                                 if (os_snprintf_error(end - pos, ret))
1911                                         return pos - buf;
1912                                 pos += ret;
1913                         }
1914
1915                         if (!cred->domain)
1916                                 goto no_domain;
1917
1918                         i = 0;
1919                         if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
1920                                 struct wpabuf *names =
1921                                         wpa_s->current_bss->anqp->domain_name;
1922                                 for (i = 0; names && i < cred->num_domain; i++)
1923                                 {
1924                                         if (domain_name_list_contains(
1925                                                     names, cred->domain[i], 1))
1926                                                 break;
1927                                 }
1928                                 if (i == cred->num_domain)
1929                                         i = 0; /* show first entry by default */
1930                         }
1931                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1932                                           cred->domain[i]);
1933                         if (os_snprintf_error(end - pos, ret))
1934                                 return pos - buf;
1935                         pos += ret;
1936
1937                 no_domain:
1938                         if (wpa_s->current_bss == NULL ||
1939                             wpa_s->current_bss->anqp == NULL)
1940                                 res = -1;
1941                         else
1942                                 res = interworking_home_sp_cred(
1943                                         wpa_s, cred,
1944                                         wpa_s->current_bss->anqp->domain_name);
1945                         if (res > 0)
1946                                 type = "home";
1947                         else if (res == 0)
1948                                 type = "roaming";
1949                         else
1950                                 type = "unknown";
1951
1952                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1953                         if (os_snprintf_error(end - pos, ret))
1954                                 return pos - buf;
1955                         pos += ret;
1956
1957                         break;
1958                 }
1959         }
1960 #endif /* CONFIG_HS20 */
1961
1962         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1963             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1964                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1965                                           verbose);
1966                 if (res >= 0)
1967                         pos += res;
1968         }
1969
1970         sess_id = eapol_sm_get_session_id(wpa_s->eapol, &sess_id_len);
1971         if (sess_id) {
1972                 char *start = pos;
1973
1974                 ret = os_snprintf(pos, end - pos, "eap_session_id=");
1975                 if (os_snprintf_error(end - pos, ret))
1976                         return start - buf;
1977                 pos += ret;
1978                 ret = wpa_snprintf_hex(pos, end - pos, sess_id, sess_id_len);
1979                 if (ret <= 0)
1980                         return start - buf;
1981                 pos += ret;
1982                 ret = os_snprintf(pos, end - pos, "\n");
1983                 if (os_snprintf_error(end - pos, ret))
1984                         return start - buf;
1985                 pos += ret;
1986         }
1987
1988         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1989         if (res >= 0)
1990                 pos += res;
1991
1992 #ifdef CONFIG_WPS
1993         {
1994                 char uuid_str[100];
1995                 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
1996                 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
1997                 if (os_snprintf_error(end - pos, ret))
1998                         return pos - buf;
1999                 pos += ret;
2000         }
2001 #endif /* CONFIG_WPS */
2002
2003 #ifdef ANDROID
2004         /*
2005          * Allow using the STATUS command with default behavior, say for debug,
2006          * i.e., don't generate a "fake" CONNECTION and SUPPLICANT_STATE_CHANGE
2007          * events with STATUS-NO_EVENTS.
2008          */
2009         if (os_strcmp(params, "-NO_EVENTS")) {
2010                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
2011                              "id=%d state=%d BSSID=" MACSTR " SSID=%s",
2012                              wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
2013                              wpa_s->wpa_state,
2014                              MAC2STR(wpa_s->bssid),
2015                              wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
2016                              wpa_ssid_txt(wpa_s->current_ssid->ssid,
2017                                           wpa_s->current_ssid->ssid_len) : "");
2018                 if (wpa_s->wpa_state == WPA_COMPLETED) {
2019                         struct wpa_ssid *ssid = wpa_s->current_ssid;
2020                         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
2021                                      "- connection to " MACSTR
2022                                      " completed %s [id=%d id_str=%s]",
2023                                      MAC2STR(wpa_s->bssid), "(auth)",
2024                                      ssid ? ssid->id : -1,
2025                                      ssid && ssid->id_str ? ssid->id_str : "");
2026                 }
2027         }
2028 #endif /* ANDROID */
2029
2030         return pos - buf;
2031 }
2032
2033
2034 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
2035                                            char *cmd)
2036 {
2037         char *pos;
2038         int id;
2039         struct wpa_ssid *ssid;
2040         u8 bssid[ETH_ALEN];
2041
2042         /* cmd: "<network id> <BSSID>" */
2043         pos = os_strchr(cmd, ' ');
2044         if (pos == NULL)
2045                 return -1;
2046         *pos++ = '\0';
2047         id = atoi(cmd);
2048         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
2049         if (hwaddr_aton(pos, bssid)) {
2050                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
2051                 return -1;
2052         }
2053
2054         ssid = wpa_config_get_network(wpa_s->conf, id);
2055         if (ssid == NULL) {
2056                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
2057                            "to update", id);
2058                 return -1;
2059         }
2060
2061         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
2062         ssid->bssid_set = !is_zero_ether_addr(bssid);
2063
2064         return 0;
2065 }
2066
2067
2068 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
2069                                                char *cmd, char *buf,
2070                                                size_t buflen)
2071 {
2072         u8 bssid[ETH_ALEN];
2073         struct wpa_blacklist *e;
2074         char *pos, *end;
2075         int ret;
2076
2077         /* cmd: "BLACKLIST [<BSSID>]" */
2078         if (*cmd == '\0') {
2079                 pos = buf;
2080                 end = buf + buflen;
2081                 e = wpa_s->blacklist;
2082                 while (e) {
2083                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
2084                                           MAC2STR(e->bssid));
2085                         if (os_snprintf_error(end - pos, ret))
2086                                 return pos - buf;
2087                         pos += ret;
2088                         e = e->next;
2089                 }
2090                 return pos - buf;
2091         }
2092
2093         cmd++;
2094         if (os_strncmp(cmd, "clear", 5) == 0) {
2095                 wpa_blacklist_clear(wpa_s);
2096                 os_memcpy(buf, "OK\n", 3);
2097                 return 3;
2098         }
2099
2100         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
2101         if (hwaddr_aton(cmd, bssid)) {
2102                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
2103                 return -1;
2104         }
2105
2106         /*
2107          * Add the BSSID twice, so its count will be 2, causing it to be
2108          * skipped when processing scan results.
2109          */
2110         ret = wpa_blacklist_add(wpa_s, bssid);
2111         if (ret < 0)
2112                 return -1;
2113         ret = wpa_blacklist_add(wpa_s, bssid);
2114         if (ret < 0)
2115                 return -1;
2116         os_memcpy(buf, "OK\n", 3);
2117         return 3;
2118 }
2119
2120
2121 static const char * debug_level_str(int level)
2122 {
2123         switch (level) {
2124         case MSG_EXCESSIVE:
2125                 return "EXCESSIVE";
2126         case MSG_MSGDUMP:
2127                 return "MSGDUMP";
2128         case MSG_DEBUG:
2129                 return "DEBUG";
2130         case MSG_INFO:
2131                 return "INFO";
2132         case MSG_WARNING:
2133                 return "WARNING";
2134         case MSG_ERROR:
2135                 return "ERROR";
2136         default:
2137                 return "?";
2138         }
2139 }
2140
2141
2142 static int str_to_debug_level(const char *s)
2143 {
2144         if (os_strcasecmp(s, "EXCESSIVE") == 0)
2145                 return MSG_EXCESSIVE;
2146         if (os_strcasecmp(s, "MSGDUMP") == 0)
2147                 return MSG_MSGDUMP;
2148         if (os_strcasecmp(s, "DEBUG") == 0)
2149                 return MSG_DEBUG;
2150         if (os_strcasecmp(s, "INFO") == 0)
2151                 return MSG_INFO;
2152         if (os_strcasecmp(s, "WARNING") == 0)
2153                 return MSG_WARNING;
2154         if (os_strcasecmp(s, "ERROR") == 0)
2155                 return MSG_ERROR;
2156         return -1;
2157 }
2158
2159
2160 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
2161                                                char *cmd, char *buf,
2162                                                size_t buflen)
2163 {
2164         char *pos, *end, *stamp;
2165         int ret;
2166
2167         /* cmd: "LOG_LEVEL [<level>]" */
2168         if (*cmd == '\0') {
2169                 pos = buf;
2170                 end = buf + buflen;
2171                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
2172                                   "Timestamp: %d\n",
2173                                   debug_level_str(wpa_debug_level),
2174                                   wpa_debug_timestamp);
2175                 if (os_snprintf_error(end - pos, ret))
2176                         ret = 0;
2177
2178                 return ret;
2179         }
2180
2181         while (*cmd == ' ')
2182                 cmd++;
2183
2184         stamp = os_strchr(cmd, ' ');
2185         if (stamp) {
2186                 *stamp++ = '\0';
2187                 while (*stamp == ' ') {
2188                         stamp++;
2189                 }
2190         }
2191
2192         if (cmd && os_strlen(cmd)) {
2193                 int level = str_to_debug_level(cmd);
2194                 if (level < 0)
2195                         return -1;
2196                 wpa_debug_level = level;
2197         }
2198
2199         if (stamp && os_strlen(stamp))
2200                 wpa_debug_timestamp = atoi(stamp);
2201
2202         os_memcpy(buf, "OK\n", 3);
2203         return 3;
2204 }
2205
2206
2207 static int wpa_supplicant_ctrl_iface_list_networks(
2208         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2209 {
2210         char *pos, *end, *prev;
2211         struct wpa_ssid *ssid;
2212         int ret;
2213
2214         pos = buf;
2215         end = buf + buflen;
2216         ret = os_snprintf(pos, end - pos,
2217                           "network id / ssid / bssid / flags\n");
2218         if (os_snprintf_error(end - pos, ret))
2219                 return pos - buf;
2220         pos += ret;
2221
2222         ssid = wpa_s->conf->ssid;
2223
2224         /* skip over ssids until we find next one */
2225         if (cmd != NULL && os_strncmp(cmd, "LAST_ID=", 8) == 0) {
2226                 int last_id = atoi(cmd + 8);
2227                 if (last_id != -1) {
2228                         while (ssid != NULL && ssid->id <= last_id) {
2229                                 ssid = ssid->next;
2230                         }
2231                 }
2232         }
2233
2234         while (ssid) {
2235                 prev = pos;
2236                 ret = os_snprintf(pos, end - pos, "%d\t%s",
2237                                   ssid->id,
2238                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2239                 if (os_snprintf_error(end - pos, ret))
2240                         return prev - buf;
2241                 pos += ret;
2242                 if (ssid->bssid_set) {
2243                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2244                                           MAC2STR(ssid->bssid));
2245                 } else {
2246                         ret = os_snprintf(pos, end - pos, "\tany");
2247                 }
2248                 if (os_snprintf_error(end - pos, ret))
2249                         return prev - buf;
2250                 pos += ret;
2251                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2252                                   ssid == wpa_s->current_ssid ?
2253                                   "[CURRENT]" : "",
2254                                   ssid->disabled ? "[DISABLED]" : "",
2255                                   ssid->disabled_until.sec ?
2256                                   "[TEMP-DISABLED]" : "",
2257                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2258                                   "");
2259                 if (os_snprintf_error(end - pos, ret))
2260                         return prev - buf;
2261                 pos += ret;
2262                 ret = os_snprintf(pos, end - pos, "\n");
2263                 if (os_snprintf_error(end - pos, ret))
2264                         return prev - buf;
2265                 pos += ret;
2266
2267                 ssid = ssid->next;
2268         }
2269
2270         return pos - buf;
2271 }
2272
2273
2274 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2275 {
2276         int ret;
2277         ret = os_snprintf(pos, end - pos, "-");
2278         if (os_snprintf_error(end - pos, ret))
2279                 return pos;
2280         pos += ret;
2281         ret = wpa_write_ciphers(pos, end, cipher, "+");
2282         if (ret < 0)
2283                 return pos;
2284         pos += ret;
2285         return pos;
2286 }
2287
2288
2289 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2290                                     const u8 *ie, size_t ie_len)
2291 {
2292         struct wpa_ie_data data;
2293         char *start;
2294         int ret;
2295
2296         ret = os_snprintf(pos, end - pos, "[%s-", proto);
2297         if (os_snprintf_error(end - pos, ret))
2298                 return pos;
2299         pos += ret;
2300
2301         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2302                 ret = os_snprintf(pos, end - pos, "?]");
2303                 if (os_snprintf_error(end - pos, ret))
2304                         return pos;
2305                 pos += ret;
2306                 return pos;
2307         }
2308
2309         start = pos;
2310         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2311                 ret = os_snprintf(pos, end - pos, "%sEAP",
2312                                   pos == start ? "" : "+");
2313                 if (os_snprintf_error(end - pos, ret))
2314                         return pos;
2315                 pos += ret;
2316         }
2317         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2318                 ret = os_snprintf(pos, end - pos, "%sPSK",
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_WPA_NONE) {
2325                 ret = os_snprintf(pos, end - pos, "%sNone",
2326                                   pos == start ? "" : "+");
2327                 if (os_snprintf_error(end - pos, ret))
2328                         return pos;
2329                 pos += ret;
2330         }
2331         if (data.key_mgmt & WPA_KEY_MGMT_SAE) {
2332                 ret = os_snprintf(pos, end - pos, "%sSAE",
2333                                   pos == start ? "" : "+");
2334                 if (os_snprintf_error(end - pos, ret))
2335                         return pos;
2336                 pos += ret;
2337         }
2338 #ifdef CONFIG_IEEE80211R
2339         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2340                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2341                                   pos == start ? "" : "+");
2342                 if (os_snprintf_error(end - pos, ret))
2343                         return pos;
2344                 pos += ret;
2345         }
2346         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2347                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2348                                   pos == start ? "" : "+");
2349                 if (os_snprintf_error(end - pos, ret))
2350                         return pos;
2351                 pos += ret;
2352         }
2353         if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) {
2354                 ret = os_snprintf(pos, end - pos, "%sFT/SAE",
2355                                   pos == start ? "" : "+");
2356                 if (os_snprintf_error(end - pos, ret))
2357                         return pos;
2358                 pos += ret;
2359         }
2360 #endif /* CONFIG_IEEE80211R */
2361 #ifdef CONFIG_IEEE80211W
2362         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2363                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2364                                   pos == start ? "" : "+");
2365                 if (os_snprintf_error(end - pos, ret))
2366                         return pos;
2367                 pos += ret;
2368         }
2369         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2370                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2371                                   pos == start ? "" : "+");
2372                 if (os_snprintf_error(end - pos, ret))
2373                         return pos;
2374                 pos += ret;
2375         }
2376 #endif /* CONFIG_IEEE80211W */
2377
2378 #ifdef CONFIG_SUITEB
2379         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
2380                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B",
2381                                   pos == start ? "" : "+");
2382                 if (os_snprintf_error(end - pos, ret))
2383                         return pos;
2384                 pos += ret;
2385         }
2386 #endif /* CONFIG_SUITEB */
2387
2388 #ifdef CONFIG_SUITEB192
2389         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
2390                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B-192",
2391                                   pos == start ? "" : "+");
2392                 if (os_snprintf_error(end - pos, ret))
2393                         return pos;
2394                 pos += ret;
2395         }
2396 #endif /* CONFIG_SUITEB192 */
2397
2398         if (data.key_mgmt & WPA_KEY_MGMT_OSEN) {
2399                 ret = os_snprintf(pos, end - pos, "%sOSEN",
2400                                   pos == start ? "" : "+");
2401                 if (os_snprintf_error(end - pos, ret))
2402                         return pos;
2403                 pos += ret;
2404         }
2405
2406         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2407
2408         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2409                 ret = os_snprintf(pos, end - pos, "-preauth");
2410                 if (os_snprintf_error(end - pos, ret))
2411                         return pos;
2412                 pos += ret;
2413         }
2414
2415         ret = os_snprintf(pos, end - pos, "]");
2416         if (os_snprintf_error(end - pos, ret))
2417                 return pos;
2418         pos += ret;
2419
2420         return pos;
2421 }
2422
2423
2424 #ifdef CONFIG_WPS
2425 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2426                                             char *pos, char *end,
2427                                             struct wpabuf *wps_ie)
2428 {
2429         int ret;
2430         const char *txt;
2431
2432         if (wps_ie == NULL)
2433                 return pos;
2434         if (wps_is_selected_pbc_registrar(wps_ie))
2435                 txt = "[WPS-PBC]";
2436         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2437                 txt = "[WPS-AUTH]";
2438         else if (wps_is_selected_pin_registrar(wps_ie))
2439                 txt = "[WPS-PIN]";
2440         else
2441                 txt = "[WPS]";
2442
2443         ret = os_snprintf(pos, end - pos, "%s", txt);
2444         if (!os_snprintf_error(end - pos, ret))
2445                 pos += ret;
2446         wpabuf_free(wps_ie);
2447         return pos;
2448 }
2449 #endif /* CONFIG_WPS */
2450
2451
2452 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2453                                         char *pos, char *end,
2454                                         const struct wpa_bss *bss)
2455 {
2456 #ifdef CONFIG_WPS
2457         struct wpabuf *wps_ie;
2458         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2459         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2460 #else /* CONFIG_WPS */
2461         return pos;
2462 #endif /* CONFIG_WPS */
2463 }
2464
2465
2466 /* Format one result on one text line into a buffer. */
2467 static int wpa_supplicant_ctrl_iface_scan_result(
2468         struct wpa_supplicant *wpa_s,
2469         const struct wpa_bss *bss, char *buf, size_t buflen)
2470 {
2471         char *pos, *end;
2472         int ret;
2473         const u8 *ie, *ie2, *osen_ie, *p2p, *mesh;
2474
2475         mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
2476         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2477         if (!p2p)
2478                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2479         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2480             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2481             0)
2482                 return 0; /* Do not show P2P listen discovery results here */
2483
2484         pos = buf;
2485         end = buf + buflen;
2486
2487         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2488                           MAC2STR(bss->bssid), bss->freq, bss->level);
2489         if (os_snprintf_error(end - pos, ret))
2490                 return -1;
2491         pos += ret;
2492         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2493         if (ie)
2494                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2495         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2496         if (ie2) {
2497                 pos = wpa_supplicant_ie_txt(pos, end, mesh ? "RSN" : "WPA2",
2498                                             ie2, 2 + ie2[1]);
2499         }
2500         osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
2501         if (osen_ie)
2502                 pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
2503                                             osen_ie, 2 + osen_ie[1]);
2504         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2505         if (!ie && !ie2 && !osen_ie && (bss->caps & IEEE80211_CAP_PRIVACY)) {
2506                 ret = os_snprintf(pos, end - pos, "[WEP]");
2507                 if (os_snprintf_error(end - pos, ret))
2508                         return -1;
2509                 pos += ret;
2510         }
2511         if (mesh) {
2512                 ret = os_snprintf(pos, end - pos, "[MESH]");
2513                 if (os_snprintf_error(end - pos, ret))
2514                         return -1;
2515                 pos += ret;
2516         }
2517         if (bss_is_dmg(bss)) {
2518                 const char *s;
2519                 ret = os_snprintf(pos, end - pos, "[DMG]");
2520                 if (os_snprintf_error(end - pos, ret))
2521                         return -1;
2522                 pos += ret;
2523                 switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
2524                 case IEEE80211_CAP_DMG_IBSS:
2525                         s = "[IBSS]";
2526                         break;
2527                 case IEEE80211_CAP_DMG_AP:
2528                         s = "[ESS]";
2529                         break;
2530                 case IEEE80211_CAP_DMG_PBSS:
2531                         s = "[PBSS]";
2532                         break;
2533                 default:
2534                         s = "";
2535                         break;
2536                 }
2537                 ret = os_snprintf(pos, end - pos, "%s", s);
2538                 if (os_snprintf_error(end - pos, ret))
2539                         return -1;
2540                 pos += ret;
2541         } else {
2542                 if (bss->caps & IEEE80211_CAP_IBSS) {
2543                         ret = os_snprintf(pos, end - pos, "[IBSS]");
2544                         if (os_snprintf_error(end - pos, ret))
2545                                 return -1;
2546                         pos += ret;
2547                 }
2548                 if (bss->caps & IEEE80211_CAP_ESS) {
2549                         ret = os_snprintf(pos, end - pos, "[ESS]");
2550                         if (os_snprintf_error(end - pos, ret))
2551                                 return -1;
2552                         pos += ret;
2553                 }
2554         }
2555         if (p2p) {
2556                 ret = os_snprintf(pos, end - pos, "[P2P]");
2557                 if (os_snprintf_error(end - pos, ret))
2558                         return -1;
2559                 pos += ret;
2560         }
2561 #ifdef CONFIG_HS20
2562         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2563                 ret = os_snprintf(pos, end - pos, "[HS20]");
2564                 if (os_snprintf_error(end - pos, ret))
2565                         return -1;
2566                 pos += ret;
2567         }
2568 #endif /* CONFIG_HS20 */
2569 #ifdef CONFIG_FST
2570         if (wpa_bss_get_ie(bss, WLAN_EID_MULTI_BAND)) {
2571                 ret = os_snprintf(pos, end - pos, "[FST]");
2572                 if (os_snprintf_error(end - pos, ret))
2573                         return -1;
2574                 pos += ret;
2575         }
2576 #endif /* CONFIG_FST */
2577
2578         ret = os_snprintf(pos, end - pos, "\t%s",
2579                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2580         if (os_snprintf_error(end - pos, ret))
2581                 return -1;
2582         pos += ret;
2583
2584         ret = os_snprintf(pos, end - pos, "\n");
2585         if (os_snprintf_error(end - pos, ret))
2586                 return -1;
2587         pos += ret;
2588
2589         return pos - buf;
2590 }
2591
2592
2593 static int wpa_supplicant_ctrl_iface_scan_results(
2594         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2595 {
2596         char *pos, *end;
2597         struct wpa_bss *bss;
2598         int ret;
2599
2600         pos = buf;
2601         end = buf + buflen;
2602         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2603                           "flags / ssid\n");
2604         if (os_snprintf_error(end - pos, ret))
2605                 return pos - buf;
2606         pos += ret;
2607
2608         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2609                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2610                                                             end - pos);
2611                 if (ret < 0 || ret >= end - pos)
2612                         return pos - buf;
2613                 pos += ret;
2614         }
2615
2616         return pos - buf;
2617 }
2618
2619
2620 #ifdef CONFIG_MESH
2621
2622 static int wpa_supplicant_ctrl_iface_mesh_interface_add(
2623         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
2624 {
2625         char *pos, ifname[IFNAMSIZ + 1];
2626
2627         ifname[0] = '\0';
2628
2629         pos = os_strstr(cmd, "ifname=");
2630         if (pos) {
2631                 pos += 7;
2632                 os_strlcpy(ifname, pos, sizeof(ifname));
2633         }
2634
2635         if (wpas_mesh_add_interface(wpa_s, ifname, sizeof(ifname)) < 0)
2636                 return -1;
2637
2638         os_strlcpy(reply, ifname, max_len);
2639         return os_strlen(ifname);
2640 }
2641
2642
2643 static int wpa_supplicant_ctrl_iface_mesh_group_add(
2644         struct wpa_supplicant *wpa_s, char *cmd)
2645 {
2646         int id;
2647         struct wpa_ssid *ssid;
2648
2649         id = atoi(cmd);
2650         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_ADD id=%d", id);
2651
2652         ssid = wpa_config_get_network(wpa_s->conf, id);
2653         if (ssid == NULL) {
2654                 wpa_printf(MSG_DEBUG,
2655                            "CTRL_IFACE: Could not find network id=%d", id);
2656                 return -1;
2657         }
2658         if (ssid->mode != WPAS_MODE_MESH) {
2659                 wpa_printf(MSG_DEBUG,
2660                            "CTRL_IFACE: Cannot use MESH_GROUP_ADD on a non mesh network");
2661                 return -1;
2662         }
2663         if (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
2664             ssid->key_mgmt != WPA_KEY_MGMT_SAE) {
2665                 wpa_printf(MSG_ERROR,
2666                            "CTRL_IFACE: key_mgmt for mesh network should be open or SAE");
2667                 return -1;
2668         }
2669
2670         /*
2671          * TODO: If necessary write our own group_add function,
2672          * for now we can reuse select_network
2673          */
2674         wpa_supplicant_select_network(wpa_s, ssid);
2675
2676         return 0;
2677 }
2678
2679
2680 static int wpa_supplicant_ctrl_iface_mesh_group_remove(
2681         struct wpa_supplicant *wpa_s, char *cmd)
2682 {
2683         struct wpa_supplicant *orig;
2684         struct wpa_global *global;
2685         int found = 0;
2686
2687         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s", cmd);
2688
2689         global = wpa_s->global;
2690         orig = wpa_s;
2691
2692         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2693                 if (os_strcmp(wpa_s->ifname, cmd) == 0) {
2694                         found = 1;
2695                         break;
2696                 }
2697         }
2698         if (!found) {
2699                 wpa_printf(MSG_ERROR,
2700                            "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s not found",
2701                            cmd);
2702                 return -1;
2703         }
2704         if (wpa_s->mesh_if_created && wpa_s == orig) {
2705                 wpa_printf(MSG_ERROR,
2706                            "CTRL_IFACE: MESH_GROUP_REMOVE can't remove itself");
2707                 return -1;
2708         }
2709
2710         wpa_s->reassociate = 0;
2711         wpa_s->disconnected = 1;
2712         wpa_supplicant_cancel_sched_scan(wpa_s);
2713         wpa_supplicant_cancel_scan(wpa_s);
2714
2715         /*
2716          * TODO: If necessary write our own group_remove function,
2717          * for now we can reuse deauthenticate
2718          */
2719         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2720
2721         if (wpa_s->mesh_if_created)
2722                 wpa_supplicant_remove_iface(global, wpa_s, 0);
2723
2724         return 0;
2725 }
2726
2727 #endif /* CONFIG_MESH */
2728
2729
2730 static int wpa_supplicant_ctrl_iface_select_network(
2731         struct wpa_supplicant *wpa_s, char *cmd)
2732 {
2733         int id;
2734         struct wpa_ssid *ssid;
2735         char *pos;
2736
2737         /* cmd: "<network id>" or "any" */
2738         if (os_strncmp(cmd, "any", 3) == 0) {
2739                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2740                 ssid = NULL;
2741         } else {
2742                 id = atoi(cmd);
2743                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2744
2745                 ssid = wpa_config_get_network(wpa_s->conf, id);
2746                 if (ssid == NULL) {
2747                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2748                                    "network id=%d", id);
2749                         return -1;
2750                 }
2751                 if (ssid->disabled == 2) {
2752                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2753                                    "SELECT_NETWORK with persistent P2P group");
2754                         return -1;
2755                 }
2756         }
2757
2758         pos = os_strstr(cmd, " freq=");
2759         if (pos) {
2760                 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2761                 if (freqs) {
2762                         wpa_s->scan_req = MANUAL_SCAN_REQ;
2763                         os_free(wpa_s->manual_scan_freqs);
2764                         wpa_s->manual_scan_freqs = freqs;
2765                 }
2766         }
2767
2768         wpa_supplicant_select_network(wpa_s, ssid);
2769
2770         return 0;
2771 }
2772
2773
2774 static int wpa_supplicant_ctrl_iface_enable_network(
2775         struct wpa_supplicant *wpa_s, char *cmd)
2776 {
2777         int id;
2778         struct wpa_ssid *ssid;
2779
2780         /* cmd: "<network id>" or "all" */
2781         if (os_strcmp(cmd, "all") == 0) {
2782                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2783                 ssid = NULL;
2784         } else {
2785                 id = atoi(cmd);
2786                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2787
2788                 ssid = wpa_config_get_network(wpa_s->conf, id);
2789                 if (ssid == NULL) {
2790                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2791                                    "network id=%d", id);
2792                         return -1;
2793                 }
2794                 if (ssid->disabled == 2) {
2795                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2796                                    "ENABLE_NETWORK with persistent P2P group");
2797                         return -1;
2798                 }
2799
2800                 if (os_strstr(cmd, " no-connect")) {
2801                         ssid->disabled = 0;
2802                         return 0;
2803                 }
2804         }
2805         wpa_supplicant_enable_network(wpa_s, ssid);
2806
2807         return 0;
2808 }
2809
2810
2811 static int wpa_supplicant_ctrl_iface_disable_network(
2812         struct wpa_supplicant *wpa_s, char *cmd)
2813 {
2814         int id;
2815         struct wpa_ssid *ssid;
2816
2817         /* cmd: "<network id>" or "all" */
2818         if (os_strcmp(cmd, "all") == 0) {
2819                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2820                 ssid = NULL;
2821         } else {
2822                 id = atoi(cmd);
2823                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2824
2825                 ssid = wpa_config_get_network(wpa_s->conf, id);
2826                 if (ssid == NULL) {
2827                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2828                                    "network id=%d", id);
2829                         return -1;
2830                 }
2831                 if (ssid->disabled == 2) {
2832                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2833                                    "DISABLE_NETWORK with persistent P2P "
2834                                    "group");
2835                         return -1;
2836                 }
2837         }
2838         wpa_supplicant_disable_network(wpa_s, ssid);
2839
2840         return 0;
2841 }
2842
2843
2844 static int wpa_supplicant_ctrl_iface_add_network(
2845         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2846 {
2847         struct wpa_ssid *ssid;
2848         int ret;
2849
2850         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2851
2852         ssid = wpa_config_add_network(wpa_s->conf);
2853         if (ssid == NULL)
2854                 return -1;
2855
2856         wpas_notify_network_added(wpa_s, ssid);
2857
2858         ssid->disabled = 1;
2859         wpa_config_set_network_defaults(ssid);
2860
2861         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2862         if (os_snprintf_error(buflen, ret))
2863                 return -1;
2864         return ret;
2865 }
2866
2867
2868 static int wpa_supplicant_ctrl_iface_remove_network(
2869         struct wpa_supplicant *wpa_s, char *cmd)
2870 {
2871         int id;
2872         struct wpa_ssid *ssid;
2873         int was_disabled;
2874
2875         /* cmd: "<network id>" or "all" */
2876         if (os_strcmp(cmd, "all") == 0) {
2877                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2878                 if (wpa_s->sched_scanning)
2879                         wpa_supplicant_cancel_sched_scan(wpa_s);
2880
2881                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2882                 if (wpa_s->current_ssid) {
2883 #ifdef CONFIG_SME
2884                         wpa_s->sme.prev_bssid_set = 0;
2885 #endif /* CONFIG_SME */
2886                         wpa_sm_set_config(wpa_s->wpa, NULL);
2887                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2888                         if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2889                                 wpa_s->own_disconnect_req = 1;
2890                         wpa_supplicant_deauthenticate(
2891                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2892                 }
2893                 ssid = wpa_s->conf->ssid;
2894                 while (ssid) {
2895                         struct wpa_ssid *remove_ssid = ssid;
2896                         id = ssid->id;
2897                         ssid = ssid->next;
2898                         if (wpa_s->last_ssid == remove_ssid)
2899                                 wpa_s->last_ssid = NULL;
2900                         wpas_notify_network_removed(wpa_s, remove_ssid);
2901                         wpa_config_remove_network(wpa_s->conf, id);
2902                 }
2903                 return 0;
2904         }
2905
2906         id = atoi(cmd);
2907         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2908
2909         ssid = wpa_config_get_network(wpa_s->conf, id);
2910         if (ssid)
2911                 wpas_notify_network_removed(wpa_s, ssid);
2912         if (ssid == NULL) {
2913                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2914                            "id=%d", id);
2915                 return -1;
2916         }
2917
2918         if (wpa_s->last_ssid == ssid)
2919                 wpa_s->last_ssid = NULL;
2920
2921         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2922 #ifdef CONFIG_SME
2923                 wpa_s->sme.prev_bssid_set = 0;
2924 #endif /* CONFIG_SME */
2925                 /*
2926                  * Invalidate the EAP session cache if the current or
2927                  * previously used network is removed.
2928                  */
2929                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2930         }
2931
2932         if (ssid == wpa_s->current_ssid) {
2933                 wpa_sm_set_config(wpa_s->wpa, NULL);
2934                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2935
2936                 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2937                         wpa_s->own_disconnect_req = 1;
2938                 wpa_supplicant_deauthenticate(wpa_s,
2939                                               WLAN_REASON_DEAUTH_LEAVING);
2940         }
2941
2942         was_disabled = ssid->disabled;
2943
2944         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2945                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2946                            "network id=%d", id);
2947                 return -1;
2948         }
2949
2950         if (!was_disabled && wpa_s->sched_scanning) {
2951                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2952                            "network from filters");
2953                 wpa_supplicant_cancel_sched_scan(wpa_s);
2954                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2955         }
2956
2957         return 0;
2958 }
2959
2960
2961 static int wpa_supplicant_ctrl_iface_update_network(
2962         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
2963         char *name, char *value)
2964 {
2965         if (wpa_config_set(ssid, name, value, 0) < 0) {
2966                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2967                            "variable '%s'", name);
2968                 return -1;
2969         }
2970
2971         if (os_strcmp(name, "bssid") != 0 &&
2972             os_strcmp(name, "priority") != 0)
2973                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2974
2975         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2976                 /*
2977                  * Invalidate the EAP session cache if anything in the current
2978                  * or previously used configuration changes.
2979                  */
2980                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2981         }
2982
2983         if ((os_strcmp(name, "psk") == 0 &&
2984              value[0] == '"' && ssid->ssid_len) ||
2985             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2986                 wpa_config_update_psk(ssid);
2987         else if (os_strcmp(name, "priority") == 0)
2988                 wpa_config_update_prio_list(wpa_s->conf);
2989
2990         return 0;
2991 }
2992
2993
2994 static int wpa_supplicant_ctrl_iface_set_network(
2995         struct wpa_supplicant *wpa_s, char *cmd)
2996 {
2997         int id, ret, prev_bssid_set, prev_disabled;
2998         struct wpa_ssid *ssid;
2999         char *name, *value;
3000         u8 prev_bssid[ETH_ALEN];
3001
3002         /* cmd: "<network id> <variable name> <value>" */
3003         name = os_strchr(cmd, ' ');
3004         if (name == NULL)
3005                 return -1;
3006         *name++ = '\0';
3007
3008         value = os_strchr(name, ' ');
3009         if (value == NULL)
3010                 return -1;
3011         *value++ = '\0';
3012
3013         id = atoi(cmd);
3014         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
3015                    id, name);
3016         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3017                               (u8 *) value, os_strlen(value));
3018
3019         ssid = wpa_config_get_network(wpa_s->conf, id);
3020         if (ssid == NULL) {
3021                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3022                            "id=%d", id);
3023                 return -1;
3024         }
3025
3026         prev_bssid_set = ssid->bssid_set;
3027         prev_disabled = ssid->disabled;
3028         os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
3029         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
3030                                                        value);
3031         if (ret == 0 &&
3032             (ssid->bssid_set != prev_bssid_set ||
3033              os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
3034                 wpas_notify_network_bssid_set_changed(wpa_s, ssid);
3035
3036         if (prev_disabled != ssid->disabled &&
3037             (prev_disabled == 2 || ssid->disabled == 2))
3038                 wpas_notify_network_type_changed(wpa_s, ssid);
3039
3040         return ret;
3041 }
3042
3043
3044 static int wpa_supplicant_ctrl_iface_get_network(
3045         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
3046 {
3047         int id;
3048         size_t res;
3049         struct wpa_ssid *ssid;
3050         char *name, *value;
3051
3052         /* cmd: "<network id> <variable name>" */
3053         name = os_strchr(cmd, ' ');
3054         if (name == NULL || buflen == 0)
3055                 return -1;
3056         *name++ = '\0';
3057
3058         id = atoi(cmd);
3059         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
3060                    id, name);
3061
3062         ssid = wpa_config_get_network(wpa_s->conf, id);
3063         if (ssid == NULL) {
3064                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3065                            "id=%d", id);
3066                 return -1;
3067         }
3068
3069         value = wpa_config_get_no_key(ssid, name);
3070         if (value == NULL) {
3071                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3072                            "variable '%s'", name);
3073                 return -1;
3074         }
3075
3076         res = os_strlcpy(buf, value, buflen);
3077         if (res >= buflen) {
3078                 os_free(value);
3079                 return -1;
3080         }
3081
3082         os_free(value);
3083
3084         return res;
3085 }
3086
3087
3088 static int wpa_supplicant_ctrl_iface_dup_network(
3089         struct wpa_supplicant *wpa_s, char *cmd,
3090         struct wpa_supplicant *dst_wpa_s)
3091 {
3092         struct wpa_ssid *ssid_s, *ssid_d;
3093         char *name, *id, *value;
3094         int id_s, id_d, ret;
3095
3096         /* cmd: "<src network id> <dst network id> <variable name>" */
3097         id = os_strchr(cmd, ' ');
3098         if (id == NULL)
3099                 return -1;
3100         *id++ = '\0';
3101
3102         name = os_strchr(id, ' ');
3103         if (name == NULL)
3104                 return -1;
3105         *name++ = '\0';
3106
3107         id_s = atoi(cmd);
3108         id_d = atoi(id);
3109
3110         wpa_printf(MSG_DEBUG,
3111                    "CTRL_IFACE: DUP_NETWORK ifname=%s->%s id=%d->%d name='%s'",
3112                    wpa_s->ifname, dst_wpa_s->ifname, id_s, id_d, name);
3113
3114         ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
3115         if (ssid_s == NULL) {
3116                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3117                            "network id=%d", id_s);
3118                 return -1;
3119         }
3120
3121         ssid_d = wpa_config_get_network(dst_wpa_s->conf, id_d);
3122         if (ssid_d == NULL) {
3123                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3124                            "network id=%d", id_d);
3125                 return -1;
3126         }
3127
3128         value = wpa_config_get(ssid_s, name);
3129         if (value == NULL) {
3130                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3131                            "variable '%s'", name);
3132                 return -1;
3133         }
3134
3135         ret = wpa_supplicant_ctrl_iface_update_network(dst_wpa_s, ssid_d, name,
3136                                                        value);
3137
3138         os_free(value);
3139
3140         return ret;
3141 }
3142
3143
3144 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
3145                                                 char *buf, size_t buflen)
3146 {
3147         char *pos, *end;
3148         struct wpa_cred *cred;
3149         int ret;
3150
3151         pos = buf;
3152         end = buf + buflen;
3153         ret = os_snprintf(pos, end - pos,
3154                           "cred id / realm / username / domain / imsi\n");
3155         if (os_snprintf_error(end - pos, ret))
3156                 return pos - buf;
3157         pos += ret;
3158
3159         cred = wpa_s->conf->cred;
3160         while (cred) {
3161                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
3162                                   cred->id, cred->realm ? cred->realm : "",
3163                                   cred->username ? cred->username : "",
3164                                   cred->domain ? cred->domain[0] : "",
3165                                   cred->imsi ? cred->imsi : "");
3166                 if (os_snprintf_error(end - pos, ret))
3167                         return pos - buf;
3168                 pos += ret;
3169
3170                 cred = cred->next;
3171         }
3172
3173         return pos - buf;
3174 }
3175
3176
3177 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
3178                                               char *buf, size_t buflen)
3179 {
3180         struct wpa_cred *cred;
3181         int ret;
3182
3183         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
3184
3185         cred = wpa_config_add_cred(wpa_s->conf);
3186         if (cred == NULL)
3187                 return -1;
3188
3189         wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
3190
3191         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
3192         if (os_snprintf_error(buflen, ret))
3193                 return -1;
3194         return ret;
3195 }
3196
3197
3198 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
3199                                  struct wpa_cred *cred)
3200 {
3201         struct wpa_ssid *ssid;
3202         char str[20];
3203         int id;
3204
3205         if (cred == NULL) {
3206                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3207                 return -1;
3208         }
3209
3210         id = cred->id;
3211         if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
3212                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3213                 return -1;
3214         }
3215
3216         wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
3217
3218         /* Remove any network entry created based on the removed credential */
3219         ssid = wpa_s->conf->ssid;
3220         while (ssid) {
3221                 if (ssid->parent_cred == cred) {
3222                         int res;
3223
3224                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
3225                                    "used the removed credential", ssid->id);
3226                         res = os_snprintf(str, sizeof(str), "%d", ssid->id);
3227                         if (os_snprintf_error(sizeof(str), res))
3228                                 str[sizeof(str) - 1] = '\0';
3229                         ssid = ssid->next;
3230                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
3231                 } else
3232                         ssid = ssid->next;
3233         }
3234
3235         return 0;
3236 }
3237
3238
3239 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
3240                                                  char *cmd)
3241 {
3242         int id;
3243         struct wpa_cred *cred, *prev;
3244
3245         /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
3246          * "provisioning_sp=<FQDN> */
3247         if (os_strcmp(cmd, "all") == 0) {
3248                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
3249                 cred = wpa_s->conf->cred;
3250                 while (cred) {
3251                         prev = cred;
3252                         cred = cred->next;
3253                         wpas_ctrl_remove_cred(wpa_s, prev);
3254                 }
3255                 return 0;
3256         }
3257
3258         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
3259                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
3260                            cmd + 8);
3261                 cred = wpa_s->conf->cred;
3262                 while (cred) {
3263                         prev = cred;
3264                         cred = cred->next;
3265                         if (prev->domain) {
3266                                 size_t i;
3267                                 for (i = 0; i < prev->num_domain; i++) {
3268                                         if (os_strcmp(prev->domain[i], cmd + 8)
3269                                             != 0)
3270                                                 continue;
3271                                         wpas_ctrl_remove_cred(wpa_s, prev);
3272                                         break;
3273                                 }
3274                         }
3275                 }
3276                 return 0;
3277         }
3278
3279         if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
3280                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
3281                            cmd + 16);
3282                 cred = wpa_s->conf->cred;
3283                 while (cred) {
3284                         prev = cred;
3285                         cred = cred->next;
3286                         if (prev->provisioning_sp &&
3287                             os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
3288                                 wpas_ctrl_remove_cred(wpa_s, prev);
3289                 }
3290                 return 0;
3291         }
3292
3293         id = atoi(cmd);
3294         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
3295
3296         cred = wpa_config_get_cred(wpa_s->conf, id);
3297         return wpas_ctrl_remove_cred(wpa_s, cred);
3298 }
3299
3300
3301 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
3302                                               char *cmd)
3303 {
3304         int id;
3305         struct wpa_cred *cred;
3306         char *name, *value;
3307
3308         /* cmd: "<cred id> <variable name> <value>" */
3309         name = os_strchr(cmd, ' ');
3310         if (name == NULL)
3311                 return -1;
3312         *name++ = '\0';
3313
3314         value = os_strchr(name, ' ');
3315         if (value == NULL)
3316                 return -1;
3317         *value++ = '\0';
3318
3319         id = atoi(cmd);
3320         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
3321                    id, name);
3322         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3323                               (u8 *) value, os_strlen(value));
3324
3325         cred = wpa_config_get_cred(wpa_s->conf, id);
3326         if (cred == NULL) {
3327                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3328                            id);
3329                 return -1;
3330         }
3331
3332         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
3333                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
3334                            "variable '%s'", name);
3335                 return -1;
3336         }
3337
3338         wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
3339
3340         return 0;
3341 }
3342
3343
3344 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
3345                                               char *cmd, char *buf,
3346                                               size_t buflen)
3347 {
3348         int id;
3349         size_t res;
3350         struct wpa_cred *cred;
3351         char *name, *value;
3352
3353         /* cmd: "<cred id> <variable name>" */
3354         name = os_strchr(cmd, ' ');
3355         if (name == NULL)
3356                 return -1;
3357         *name++ = '\0';
3358
3359         id = atoi(cmd);
3360         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
3361                    id, name);
3362
3363         cred = wpa_config_get_cred(wpa_s->conf, id);
3364         if (cred == NULL) {
3365                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3366                            id);
3367                 return -1;
3368         }
3369
3370         value = wpa_config_get_cred_no_key(cred, name);
3371         if (value == NULL) {
3372                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
3373                            name);
3374                 return -1;
3375         }
3376
3377         res = os_strlcpy(buf, value, buflen);
3378         if (res >= buflen) {
3379                 os_free(value);
3380                 return -1;
3381         }
3382
3383         os_free(value);
3384
3385         return res;
3386 }
3387
3388
3389 #ifndef CONFIG_NO_CONFIG_WRITE
3390 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3391 {
3392         int ret;
3393
3394         if (!wpa_s->conf->update_config) {
3395                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3396                            "to update configuration (update_config=0)");
3397                 return -1;
3398         }
3399
3400         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3401         if (ret) {
3402                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3403                            "update configuration");
3404         } else {
3405                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3406                            " updated");
3407         }
3408
3409         return ret;
3410 }
3411 #endif /* CONFIG_NO_CONFIG_WRITE */
3412
3413
3414 struct cipher_info {
3415         unsigned int capa;
3416         const char *name;
3417         int group_only;
3418 };
3419
3420 static const struct cipher_info ciphers[] = {
3421         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3422         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3423         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3424         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3425         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3426         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3427         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3428         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3429 };
3430
3431 static const struct cipher_info ciphers_group_mgmt[] = {
3432         { WPA_DRIVER_CAPA_ENC_BIP, "AES-128-CMAC", 1 },
3433         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_128, "BIP-GMAC-128", 1 },
3434         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_256, "BIP-GMAC-256", 1 },
3435         { WPA_DRIVER_CAPA_ENC_BIP_CMAC_256, "BIP-CMAC-256", 1 },
3436 };
3437
3438
3439 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3440                                               struct wpa_driver_capa *capa,
3441                                               char *buf, size_t buflen)
3442 {
3443         int ret;
3444         char *pos, *end;
3445         size_t len;
3446         unsigned int i;
3447
3448         pos = buf;
3449         end = pos + buflen;
3450
3451         if (res < 0) {
3452                 if (strict)
3453                         return 0;
3454                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3455                 if (len >= buflen)
3456                         return -1;
3457                 return len;
3458         }
3459
3460         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3461                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3462                         ret = os_snprintf(pos, end - pos, "%s%s",
3463                                           pos == buf ? "" : " ",
3464                                           ciphers[i].name);
3465                         if (os_snprintf_error(end - pos, ret))
3466                                 return pos - buf;
3467                         pos += ret;
3468                 }
3469         }
3470
3471         return pos - buf;
3472 }
3473
3474
3475 static int ctrl_iface_get_capability_group(int res, char *strict,
3476                                            struct wpa_driver_capa *capa,
3477                                            char *buf, size_t buflen)
3478 {
3479         int ret;
3480         char *pos, *end;
3481         size_t len;
3482         unsigned int i;
3483
3484         pos = buf;
3485         end = pos + buflen;
3486
3487         if (res < 0) {
3488                 if (strict)
3489                         return 0;
3490                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3491                 if (len >= buflen)
3492                         return -1;
3493                 return len;
3494         }
3495
3496         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3497                 if (capa->enc & ciphers[i].capa) {
3498                         ret = os_snprintf(pos, end - pos, "%s%s",
3499                                           pos == buf ? "" : " ",
3500                                           ciphers[i].name);
3501                         if (os_snprintf_error(end - pos, ret))
3502                                 return pos - buf;
3503                         pos += ret;
3504                 }
3505         }
3506
3507         return pos - buf;
3508 }
3509
3510
3511 static int ctrl_iface_get_capability_group_mgmt(int res, char *strict,
3512                                                 struct wpa_driver_capa *capa,
3513                                                 char *buf, size_t buflen)
3514 {
3515         int ret;
3516         char *pos, *end;
3517         unsigned int i;
3518
3519         pos = buf;
3520         end = pos + buflen;
3521
3522         if (res < 0)
3523                 return 0;
3524
3525         for (i = 0; i < ARRAY_SIZE(ciphers_group_mgmt); i++) {
3526                 if (capa->enc & ciphers_group_mgmt[i].capa) {
3527                         ret = os_snprintf(pos, end - pos, "%s%s",
3528                                           pos == buf ? "" : " ",
3529                                           ciphers_group_mgmt[i].name);
3530                         if (os_snprintf_error(end - pos, ret))
3531                                 return pos - buf;
3532                         pos += ret;
3533                 }
3534         }
3535
3536         return pos - buf;
3537 }
3538
3539
3540 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3541                                               struct wpa_driver_capa *capa,
3542                                               char *buf, size_t buflen)
3543 {
3544         int ret;
3545         char *pos, *end;
3546         size_t len;
3547
3548         pos = buf;
3549         end = pos + buflen;
3550
3551         if (res < 0) {
3552                 if (strict)
3553                         return 0;
3554                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3555                                  "NONE", buflen);
3556                 if (len >= buflen)
3557                         return -1;
3558                 return len;
3559         }
3560
3561         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3562         if (os_snprintf_error(end - pos, ret))
3563                 return pos - buf;
3564         pos += ret;
3565
3566         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3567                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3568                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3569                 if (os_snprintf_error(end - pos, ret))
3570                         return pos - buf;
3571                 pos += ret;
3572         }
3573
3574         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3575                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3576                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3577                 if (os_snprintf_error(end - pos, ret))
3578                         return pos - buf;
3579                 pos += ret;
3580         }
3581
3582         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3583                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3584                 if (os_snprintf_error(end - pos, ret))
3585                         return pos - buf;
3586                 pos += ret;
3587         }
3588
3589 #ifdef CONFIG_SUITEB
3590         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B) {
3591                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B");
3592                 if (os_snprintf_error(end - pos, ret))
3593                         return pos - buf;
3594                 pos += ret;
3595         }
3596 #endif /* CONFIG_SUITEB */
3597 #ifdef CONFIG_SUITEB192
3598         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192) {
3599                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B-192");
3600                 if (os_snprintf_error(end - pos, ret))
3601                         return pos - buf;
3602                 pos += ret;
3603         }
3604 #endif /* CONFIG_SUITEB192 */
3605
3606         return pos - buf;
3607 }
3608
3609
3610 static int ctrl_iface_get_capability_proto(int res, char *strict,
3611                                            struct wpa_driver_capa *capa,
3612                                            char *buf, size_t buflen)
3613 {
3614         int ret;
3615         char *pos, *end;
3616         size_t len;
3617
3618         pos = buf;
3619         end = pos + buflen;
3620
3621         if (res < 0) {
3622                 if (strict)
3623                         return 0;
3624                 len = os_strlcpy(buf, "RSN WPA", buflen);
3625                 if (len >= buflen)
3626                         return -1;
3627                 return len;
3628         }
3629
3630         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3631                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3632                 ret = os_snprintf(pos, end - pos, "%sRSN",
3633                                   pos == buf ? "" : " ");
3634                 if (os_snprintf_error(end - pos, ret))
3635                         return pos - buf;
3636                 pos += ret;
3637         }
3638
3639         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3640                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3641                 ret = os_snprintf(pos, end - pos, "%sWPA",
3642                                   pos == buf ? "" : " ");
3643                 if (os_snprintf_error(end - pos, ret))
3644                         return pos - buf;
3645                 pos += ret;
3646         }
3647
3648         return pos - buf;
3649 }
3650
3651
3652 static int ctrl_iface_get_capability_auth_alg(struct wpa_supplicant *wpa_s,
3653                                               int res, char *strict,
3654                                               struct wpa_driver_capa *capa,
3655                                               char *buf, size_t buflen)
3656 {
3657         int ret;
3658         char *pos, *end;
3659         size_t len;
3660
3661         pos = buf;
3662         end = pos + buflen;
3663
3664         if (res < 0) {
3665                 if (strict)
3666                         return 0;
3667                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3668                 if (len >= buflen)
3669                         return -1;
3670                 return len;
3671         }
3672
3673         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3674                 ret = os_snprintf(pos, end - pos, "%sOPEN",
3675                                   pos == buf ? "" : " ");
3676                 if (os_snprintf_error(end - pos, ret))
3677                         return pos - buf;
3678                 pos += ret;
3679         }
3680
3681         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3682                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3683                                   pos == buf ? "" : " ");
3684                 if (os_snprintf_error(end - pos, ret))
3685                         return pos - buf;
3686                 pos += ret;
3687         }
3688
3689         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3690                 ret = os_snprintf(pos, end - pos, "%sLEAP",
3691                                   pos == buf ? "" : " ");
3692                 if (os_snprintf_error(end - pos, ret))
3693                         return pos - buf;
3694                 pos += ret;
3695         }
3696
3697 #ifdef CONFIG_SAE
3698         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE) {
3699                 ret = os_snprintf(pos, end - pos, "%sSAE",
3700                                   pos == buf ? "" : " ");
3701                 if (os_snprintf_error(end - pos, ret))
3702                         return pos - buf;
3703                 pos += ret;
3704         }
3705 #endif /* CONFIG_SAE */
3706
3707         return pos - buf;
3708 }
3709
3710
3711 static int ctrl_iface_get_capability_modes(int res, char *strict,
3712                                            struct wpa_driver_capa *capa,
3713                                            char *buf, size_t buflen)
3714 {
3715         int ret;
3716         char *pos, *end;
3717         size_t len;
3718
3719         pos = buf;
3720         end = pos + buflen;
3721
3722         if (res < 0) {
3723                 if (strict)
3724                         return 0;
3725                 len = os_strlcpy(buf, "IBSS AP", buflen);
3726                 if (len >= buflen)
3727                         return -1;
3728                 return len;
3729         }
3730
3731         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3732                 ret = os_snprintf(pos, end - pos, "%sIBSS",
3733                                   pos == buf ? "" : " ");
3734                 if (os_snprintf_error(end - pos, ret))
3735                         return pos - buf;
3736                 pos += ret;
3737         }
3738
3739         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3740                 ret = os_snprintf(pos, end - pos, "%sAP",
3741                                   pos == buf ? "" : " ");
3742                 if (os_snprintf_error(end - pos, ret))
3743                         return pos - buf;
3744                 pos += ret;
3745         }
3746
3747 #ifdef CONFIG_MESH
3748         if (capa->flags & WPA_DRIVER_FLAGS_MESH) {
3749                 ret = os_snprintf(pos, end - pos, "%sMESH",
3750                                   pos == buf ? "" : " ");
3751                 if (os_snprintf_error(end - pos, ret))
3752                         return pos - buf;
3753                 pos += ret;
3754         }
3755 #endif /* CONFIG_MESH */
3756
3757         return pos - buf;
3758 }
3759
3760
3761 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3762                                               char *buf, size_t buflen)
3763 {
3764         struct hostapd_channel_data *chnl;
3765         int ret, i, j;
3766         char *pos, *end, *hmode;
3767
3768         pos = buf;
3769         end = pos + buflen;
3770
3771         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3772                 switch (wpa_s->hw.modes[j].mode) {
3773                 case HOSTAPD_MODE_IEEE80211B:
3774                         hmode = "B";
3775                         break;
3776                 case HOSTAPD_MODE_IEEE80211G:
3777                         hmode = "G";
3778                         break;
3779                 case HOSTAPD_MODE_IEEE80211A:
3780                         hmode = "A";
3781                         break;
3782                 case HOSTAPD_MODE_IEEE80211AD:
3783                         hmode = "AD";
3784                         break;
3785                 default:
3786                         continue;
3787                 }
3788                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3789                 if (os_snprintf_error(end - pos, ret))
3790                         return pos - buf;
3791                 pos += ret;
3792                 chnl = wpa_s->hw.modes[j].channels;
3793                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3794                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3795                                 continue;
3796                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3797                         if (os_snprintf_error(end - pos, ret))
3798                                 return pos - buf;
3799                         pos += ret;
3800                 }
3801                 ret = os_snprintf(pos, end - pos, "\n");
3802                 if (os_snprintf_error(end - pos, ret))
3803                         return pos - buf;
3804                 pos += ret;
3805         }
3806
3807         return pos - buf;
3808 }
3809
3810
3811 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3812                                           char *buf, size_t buflen)
3813 {
3814         struct hostapd_channel_data *chnl;
3815         int ret, i, j;
3816         char *pos, *end, *hmode;
3817
3818         pos = buf;
3819         end = pos + buflen;
3820
3821         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3822                 switch (wpa_s->hw.modes[j].mode) {
3823                 case HOSTAPD_MODE_IEEE80211B:
3824                         hmode = "B";
3825                         break;
3826                 case HOSTAPD_MODE_IEEE80211G:
3827                         hmode = "G";
3828                         break;
3829                 case HOSTAPD_MODE_IEEE80211A:
3830                         hmode = "A";
3831                         break;
3832                 case HOSTAPD_MODE_IEEE80211AD:
3833                         hmode = "AD";
3834                         break;
3835                 default:
3836                         continue;
3837                 }
3838                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3839                                   hmode);
3840                 if (os_snprintf_error(end - pos, ret))
3841                         return pos - buf;
3842                 pos += ret;
3843                 chnl = wpa_s->hw.modes[j].channels;
3844                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3845                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3846                                 continue;
3847                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3848                                           chnl[i].chan, chnl[i].freq,
3849                                           chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
3850                                           " (NO_IR)" : "",
3851                                           chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3852                                           " (DFS)" : "");
3853
3854                         if (os_snprintf_error(end - pos, ret))
3855                                 return pos - buf;
3856                         pos += ret;
3857                 }
3858                 ret = os_snprintf(pos, end - pos, "\n");
3859                 if (os_snprintf_error(end - pos, ret))
3860                         return pos - buf;
3861                 pos += ret;
3862         }
3863
3864         return pos - buf;
3865 }
3866
3867
3868 static int wpa_supplicant_ctrl_iface_get_capability(
3869         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3870         size_t buflen)
3871 {
3872         struct wpa_driver_capa capa;
3873         int res;
3874         char *strict;
3875         char field[30];
3876         size_t len;
3877
3878         /* Determine whether or not strict checking was requested */
3879         len = os_strlcpy(field, _field, sizeof(field));
3880         if (len >= sizeof(field))
3881                 return -1;
3882         strict = os_strchr(field, ' ');
3883         if (strict != NULL) {
3884                 *strict++ = '\0';
3885                 if (os_strcmp(strict, "strict") != 0)
3886                         return -1;
3887         }
3888
3889         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3890                 field, strict ? strict : "");
3891
3892         if (os_strcmp(field, "eap") == 0) {
3893                 return eap_get_names(buf, buflen);
3894         }
3895
3896         res = wpa_drv_get_capa(wpa_s, &capa);
3897
3898         if (os_strcmp(field, "pairwise") == 0)
3899                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3900                                                           buf, buflen);
3901
3902         if (os_strcmp(field, "group") == 0)
3903                 return ctrl_iface_get_capability_group(res, strict, &capa,
3904                                                        buf, buflen);
3905
3906         if (os_strcmp(field, "group_mgmt") == 0)
3907                 return ctrl_iface_get_capability_group_mgmt(res, strict, &capa,
3908                                                             buf, buflen);
3909
3910         if (os_strcmp(field, "key_mgmt") == 0)
3911                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3912                                                           buf, buflen);
3913
3914         if (os_strcmp(field, "proto") == 0)
3915                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3916                                                        buf, buflen);
3917
3918         if (os_strcmp(field, "auth_alg") == 0)
3919                 return ctrl_iface_get_capability_auth_alg(wpa_s, res, strict,
3920                                                           &capa, buf, buflen);
3921
3922         if (os_strcmp(field, "modes") == 0)
3923                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3924                                                        buf, buflen);
3925
3926         if (os_strcmp(field, "channels") == 0)
3927                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3928
3929         if (os_strcmp(field, "freq") == 0)
3930                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3931
3932 #ifdef CONFIG_TDLS
3933         if (os_strcmp(field, "tdls") == 0)
3934                 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3935 #endif /* CONFIG_TDLS */
3936
3937 #ifdef CONFIG_ERP
3938         if (os_strcmp(field, "erp") == 0) {
3939                 res = os_snprintf(buf, buflen, "ERP");
3940                 if (os_snprintf_error(buflen, res))
3941                         return -1;
3942                 return res;
3943         }
3944 #endif /* CONFIG_EPR */
3945
3946         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3947                    field);
3948
3949         return -1;
3950 }
3951
3952
3953 #ifdef CONFIG_INTERWORKING
3954 static char * anqp_add_hex(char *pos, char *end, const char *title,
3955                            struct wpabuf *data)
3956 {
3957         char *start = pos;
3958         size_t i;
3959         int ret;
3960         const u8 *d;
3961
3962         if (data == NULL)
3963                 return start;
3964
3965         ret = os_snprintf(pos, end - pos, "%s=", title);
3966         if (os_snprintf_error(end - pos, ret))
3967                 return start;
3968         pos += ret;
3969
3970         d = wpabuf_head_u8(data);
3971         for (i = 0; i < wpabuf_len(data); i++) {
3972                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3973                 if (os_snprintf_error(end - pos, ret))
3974                         return start;
3975                 pos += ret;
3976         }
3977
3978         ret = os_snprintf(pos, end - pos, "\n");
3979         if (os_snprintf_error(end - pos, ret))
3980                 return start;
3981         pos += ret;
3982
3983         return pos;
3984 }
3985 #endif /* CONFIG_INTERWORKING */
3986
3987
3988 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3989                           unsigned long mask, char *buf, size_t buflen)
3990 {
3991         size_t i;
3992         int ret;
3993         char *pos, *end;
3994         const u8 *ie, *ie2, *osen_ie;
3995
3996         pos = buf;
3997         end = buf + buflen;
3998
3999         if (mask & WPA_BSS_MASK_ID) {
4000                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
4001                 if (os_snprintf_error(end - pos, ret))
4002                         return 0;
4003                 pos += ret;
4004         }
4005
4006         if (mask & WPA_BSS_MASK_BSSID) {
4007                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
4008                                   MAC2STR(bss->bssid));
4009                 if (os_snprintf_error(end - pos, ret))
4010                         return 0;
4011                 pos += ret;
4012         }
4013
4014         if (mask & WPA_BSS_MASK_FREQ) {
4015                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
4016                 if (os_snprintf_error(end - pos, ret))
4017                         return 0;
4018                 pos += ret;
4019         }
4020
4021         if (mask & WPA_BSS_MASK_BEACON_INT) {
4022                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
4023                                   bss->beacon_int);
4024                 if (os_snprintf_error(end - pos, ret))
4025                         return 0;
4026                 pos += ret;
4027         }
4028
4029         if (mask & WPA_BSS_MASK_CAPABILITIES) {
4030                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
4031                                   bss->caps);
4032                 if (os_snprintf_error(end - pos, ret))
4033                         return 0;
4034                 pos += ret;
4035         }
4036
4037         if (mask & WPA_BSS_MASK_QUAL) {
4038                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
4039                 if (os_snprintf_error(end - pos, ret))
4040                         return 0;
4041                 pos += ret;
4042         }
4043
4044         if (mask & WPA_BSS_MASK_NOISE) {
4045                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
4046                 if (os_snprintf_error(end - pos, ret))
4047                         return 0;
4048                 pos += ret;
4049         }
4050
4051         if (mask & WPA_BSS_MASK_LEVEL) {
4052                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
4053                 if (os_snprintf_error(end - pos, ret))
4054                         return 0;
4055                 pos += ret;
4056         }
4057
4058         if (mask & WPA_BSS_MASK_TSF) {
4059                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
4060                                   (unsigned long long) bss->tsf);
4061                 if (os_snprintf_error(end - pos, ret))
4062                         return 0;
4063                 pos += ret;
4064         }
4065
4066         if (mask & WPA_BSS_MASK_AGE) {
4067                 struct os_reltime now;
4068
4069                 os_get_reltime(&now);
4070                 ret = os_snprintf(pos, end - pos, "age=%d\n",
4071                                   (int) (now.sec - bss->last_update.sec));
4072                 if (os_snprintf_error(end - pos, ret))
4073                         return 0;
4074                 pos += ret;
4075         }
4076
4077         if (mask & WPA_BSS_MASK_IE) {
4078                 ret = os_snprintf(pos, end - pos, "ie=");
4079                 if (os_snprintf_error(end - pos, ret))
4080                         return 0;
4081                 pos += ret;
4082
4083                 ie = (const u8 *) (bss + 1);
4084                 for (i = 0; i < bss->ie_len; i++) {
4085                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4086                         if (os_snprintf_error(end - pos, ret))
4087                                 return 0;
4088                         pos += ret;
4089                 }
4090
4091                 ret = os_snprintf(pos, end - pos, "\n");
4092                 if (os_snprintf_error(end - pos, ret))
4093                         return 0;
4094                 pos += ret;
4095         }
4096
4097         if (mask & WPA_BSS_MASK_FLAGS) {
4098                 ret = os_snprintf(pos, end - pos, "flags=");
4099                 if (os_snprintf_error(end - pos, ret))
4100                         return 0;
4101                 pos += ret;
4102
4103                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
4104                 if (ie)
4105                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
4106                                                     2 + ie[1]);
4107                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4108                 if (ie2)
4109                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
4110                                                     2 + ie2[1]);
4111                 osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
4112                 if (osen_ie)
4113                         pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
4114                                                     osen_ie, 2 + osen_ie[1]);
4115                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
4116                 if (!ie && !ie2 && !osen_ie &&
4117                     (bss->caps & IEEE80211_CAP_PRIVACY)) {
4118                         ret = os_snprintf(pos, end - pos, "[WEP]");
4119                         if (os_snprintf_error(end - pos, ret))
4120                                 return 0;
4121                         pos += ret;
4122                 }
4123                 if (bss_is_dmg(bss)) {
4124                         const char *s;
4125                         ret = os_snprintf(pos, end - pos, "[DMG]");
4126                         if (os_snprintf_error(end - pos, ret))
4127                                 return 0;
4128                         pos += ret;
4129                         switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
4130                         case IEEE80211_CAP_DMG_IBSS:
4131                                 s = "[IBSS]";
4132                                 break;
4133                         case IEEE80211_CAP_DMG_AP:
4134                                 s = "[ESS]";
4135                                 break;
4136                         case IEEE80211_CAP_DMG_PBSS:
4137                                 s = "[PBSS]";
4138                                 break;
4139                         default:
4140                                 s = "";
4141                                 break;
4142                         }
4143                         ret = os_snprintf(pos, end - pos, "%s", s);
4144                         if (os_snprintf_error(end - pos, ret))
4145                                 return 0;
4146                         pos += ret;
4147                 } else {
4148                         if (bss->caps & IEEE80211_CAP_IBSS) {
4149                                 ret = os_snprintf(pos, end - pos, "[IBSS]");
4150                                 if (os_snprintf_error(end - pos, ret))
4151                                         return 0;
4152                                 pos += ret;
4153                         }
4154                         if (bss->caps & IEEE80211_CAP_ESS) {
4155                                 ret = os_snprintf(pos, end - pos, "[ESS]");
4156                                 if (os_snprintf_error(end - pos, ret))
4157                                         return 0;
4158                                 pos += ret;
4159                         }
4160                 }
4161                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
4162                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
4163                         ret = os_snprintf(pos, end - pos, "[P2P]");
4164                         if (os_snprintf_error(end - pos, ret))
4165                                 return 0;
4166                         pos += ret;
4167                 }
4168 #ifdef CONFIG_HS20
4169                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
4170                         ret = os_snprintf(pos, end - pos, "[HS20]");
4171                         if (os_snprintf_error(end - pos, ret))
4172                                 return 0;
4173                         pos += ret;
4174                 }
4175 #endif /* CONFIG_HS20 */
4176
4177                 ret = os_snprintf(pos, end - pos, "\n");
4178                 if (os_snprintf_error(end - pos, ret))
4179                         return 0;
4180                 pos += ret;
4181         }
4182
4183         if (mask & WPA_BSS_MASK_SSID) {
4184                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
4185                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
4186                 if (os_snprintf_error(end - pos, ret))
4187                         return 0;
4188                 pos += ret;
4189         }
4190
4191 #ifdef CONFIG_WPS
4192         if (mask & WPA_BSS_MASK_WPS_SCAN) {
4193                 ie = (const u8 *) (bss + 1);
4194                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
4195                 if (ret < 0 || ret >= end - pos)
4196                         return 0;
4197                 pos += ret;
4198         }
4199 #endif /* CONFIG_WPS */
4200
4201 #ifdef CONFIG_P2P
4202         if (mask & WPA_BSS_MASK_P2P_SCAN) {
4203                 ie = (const u8 *) (bss + 1);
4204                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
4205                 if (ret < 0 || ret >= end - pos)
4206                         return 0;
4207                 pos += ret;
4208         }
4209 #endif /* CONFIG_P2P */
4210
4211 #ifdef CONFIG_WIFI_DISPLAY
4212         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
4213                 struct wpabuf *wfd;
4214                 ie = (const u8 *) (bss + 1);
4215                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
4216                                                   WFD_IE_VENDOR_TYPE);
4217                 if (wfd) {
4218                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
4219                         if (os_snprintf_error(end - pos, ret)) {
4220                                 wpabuf_free(wfd);
4221                                 return 0;
4222                         }
4223                         pos += ret;
4224
4225                         pos += wpa_snprintf_hex(pos, end - pos,
4226                                                 wpabuf_head(wfd),
4227                                                 wpabuf_len(wfd));
4228                         wpabuf_free(wfd);
4229
4230                         ret = os_snprintf(pos, end - pos, "\n");
4231                         if (os_snprintf_error(end - pos, ret))
4232                                 return 0;
4233                         pos += ret;
4234                 }
4235         }
4236 #endif /* CONFIG_WIFI_DISPLAY */
4237
4238 #ifdef CONFIG_INTERWORKING
4239         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
4240                 struct wpa_bss_anqp *anqp = bss->anqp;
4241                 pos = anqp_add_hex(pos, end, "anqp_capability_list",
4242                                    anqp->capability_list);
4243                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
4244                                    anqp->venue_name);
4245                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4246                                    anqp->network_auth_type);
4247                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4248                                    anqp->roaming_consortium);
4249                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4250                                    anqp->ip_addr_type_availability);
4251                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4252                                    anqp->nai_realm);
4253                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4254                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
4255                                    anqp->domain_name);
4256 #ifdef CONFIG_HS20
4257                 pos = anqp_add_hex(pos, end, "hs20_capability_list",
4258                                    anqp->hs20_capability_list);
4259                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4260                                    anqp->hs20_operator_friendly_name);
4261                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4262                                    anqp->hs20_wan_metrics);
4263                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4264                                    anqp->hs20_connection_capability);
4265                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
4266                                    anqp->hs20_operating_class);
4267                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4268                                    anqp->hs20_osu_providers_list);
4269 #endif /* CONFIG_HS20 */
4270         }
4271 #endif /* CONFIG_INTERWORKING */
4272
4273 #ifdef CONFIG_MESH
4274         if (mask & WPA_BSS_MASK_MESH_SCAN) {
4275                 ie = (const u8 *) (bss + 1);
4276                 ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4277                 if (ret < 0 || ret >= end - pos)
4278                         return 0;
4279                 pos += ret;
4280         }
4281 #endif /* CONFIG_MESH */
4282
4283         if (mask & WPA_BSS_MASK_SNR) {
4284                 ret = os_snprintf(pos, end - pos, "snr=%d\n", bss->snr);
4285                 if (os_snprintf_error(end - pos, ret))
4286                         return 0;
4287                 pos += ret;
4288         }
4289
4290         if (mask & WPA_BSS_MASK_EST_THROUGHPUT) {
4291                 ret = os_snprintf(pos, end - pos, "est_throughput=%d\n",
4292                                   bss->est_throughput);
4293                 if (os_snprintf_error(end - pos, ret))
4294                         return 0;
4295                 pos += ret;
4296         }
4297
4298 #ifdef CONFIG_FST
4299         if (mask & WPA_BSS_MASK_FST) {
4300                 ret = fst_ctrl_iface_mb_info(bss->bssid, pos, end - pos);
4301                 if (ret < 0 || ret >= end - pos)
4302                         return 0;
4303                 pos += ret;
4304         }
4305 #endif /* CONFIG_FST */
4306
4307         if (mask & WPA_BSS_MASK_DELIM) {
4308                 ret = os_snprintf(pos, end - pos, "====\n");
4309                 if (os_snprintf_error(end - pos, ret))
4310                         return 0;
4311                 pos += ret;
4312         }
4313
4314         return pos - buf;
4315 }
4316
4317
4318 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
4319                                          const char *cmd, char *buf,
4320                                          size_t buflen)
4321 {
4322         u8 bssid[ETH_ALEN];
4323         size_t i;
4324         struct wpa_bss *bss;
4325         struct wpa_bss *bsslast = NULL;
4326         struct dl_list *next;
4327         int ret = 0;
4328         int len;
4329         char *ctmp, *end = buf + buflen;
4330         unsigned long mask = WPA_BSS_MASK_ALL;
4331
4332         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
4333                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
4334                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
4335                                             list_id);
4336                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
4337                                                list_id);
4338                 } else { /* N1-N2 */
4339                         unsigned int id1, id2;
4340
4341                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
4342                                 wpa_printf(MSG_INFO, "Wrong BSS range "
4343                                            "format");
4344                                 return 0;
4345                         }
4346
4347                         if (*(cmd + 6) == '-')
4348                                 id1 = 0;
4349                         else
4350                                 id1 = atoi(cmd + 6);
4351                         ctmp++;
4352                         if (*ctmp >= '0' && *ctmp <= '9')
4353                                 id2 = atoi(ctmp);
4354                         else
4355                                 id2 = (unsigned int) -1;
4356                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4357                         if (id2 == (unsigned int) -1)
4358                                 bsslast = dl_list_last(&wpa_s->bss_id,
4359                                                        struct wpa_bss,
4360                                                        list_id);
4361                         else {
4362                                 bsslast = wpa_bss_get_id(wpa_s, id2);
4363                                 if (bsslast == NULL && bss && id2 > id1) {
4364                                         struct wpa_bss *tmp = bss;
4365                                         for (;;) {
4366                                                 next = tmp->list_id.next;
4367                                                 if (next == &wpa_s->bss_id)
4368                                                         break;
4369                                                 tmp = dl_list_entry(
4370                                                         next, struct wpa_bss,
4371                                                         list_id);
4372                                                 if (tmp->id > id2)
4373                                                         break;
4374                                                 bsslast = tmp;
4375                                         }
4376                                 }
4377                         }
4378                 }
4379         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
4380                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4381         else if (os_strncmp(cmd, "LAST", 4) == 0)
4382                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4383         else if (os_strncmp(cmd, "ID-", 3) == 0) {
4384                 i = atoi(cmd + 3);
4385                 bss = wpa_bss_get_id(wpa_s, i);
4386         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4387                 i = atoi(cmd + 5);
4388                 bss = wpa_bss_get_id(wpa_s, i);
4389                 if (bss) {
4390                         next = bss->list_id.next;
4391                         if (next == &wpa_s->bss_id)
4392                                 bss = NULL;
4393                         else
4394                                 bss = dl_list_entry(next, struct wpa_bss,
4395                                                     list_id);
4396                 }
4397 #ifdef CONFIG_P2P
4398         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4399                 if (hwaddr_aton(cmd + 13, bssid) == 0)
4400                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4401                 else
4402                         bss = NULL;
4403 #endif /* CONFIG_P2P */
4404         } else if (hwaddr_aton(cmd, bssid) == 0)
4405                 bss = wpa_bss_get_bssid(wpa_s, bssid);
4406         else {
4407                 struct wpa_bss *tmp;
4408                 i = atoi(cmd);
4409                 bss = NULL;
4410                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4411                 {
4412                         if (i-- == 0) {
4413                                 bss = tmp;
4414                                 break;
4415                         }
4416                 }
4417         }
4418
4419         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4420                 mask = strtoul(ctmp + 5, NULL, 0x10);
4421                 if (mask == 0)
4422                         mask = WPA_BSS_MASK_ALL;
4423         }
4424
4425         if (bss == NULL)
4426                 return 0;
4427
4428         if (bsslast == NULL)
4429                 bsslast = bss;
4430         do {
4431                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4432                 ret += len;
4433                 buf += len;
4434                 buflen -= len;
4435                 if (bss == bsslast) {
4436                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
4437                             (bss == dl_list_last(&wpa_s->bss_id,
4438                                                  struct wpa_bss, list_id))) {
4439                                 int res;
4440
4441                                 res = os_snprintf(buf - 5, end - buf + 5,
4442                                                   "####\n");
4443                                 if (os_snprintf_error(end - buf + 5, res)) {
4444                                         wpa_printf(MSG_DEBUG,
4445                                                    "Could not add end delim");
4446                                 }
4447                         }
4448                         break;
4449                 }
4450                 next = bss->list_id.next;
4451                 if (next == &wpa_s->bss_id)
4452                         break;
4453                 bss = dl_list_entry(next, struct wpa_bss, list_id);
4454         } while (bss && len);
4455
4456         return ret;
4457 }
4458
4459
4460 static int wpa_supplicant_ctrl_iface_ap_scan(
4461         struct wpa_supplicant *wpa_s, char *cmd)
4462 {
4463         int ap_scan = atoi(cmd);
4464         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4465 }
4466
4467
4468 static int wpa_supplicant_ctrl_iface_scan_interval(
4469         struct wpa_supplicant *wpa_s, char *cmd)
4470 {
4471         int scan_int = atoi(cmd);
4472         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4473 }
4474
4475
4476 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4477         struct wpa_supplicant *wpa_s, char *cmd)
4478 {
4479         int expire_age = atoi(cmd);
4480         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4481 }
4482
4483
4484 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4485         struct wpa_supplicant *wpa_s, char *cmd)
4486 {
4487         int expire_count = atoi(cmd);
4488         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4489 }
4490
4491
4492 static void wpa_supplicant_ctrl_iface_bss_flush(
4493         struct wpa_supplicant *wpa_s, char *cmd)
4494 {
4495         int flush_age = atoi(cmd);
4496
4497         if (flush_age == 0)
4498                 wpa_bss_flush(wpa_s);
4499         else
4500                 wpa_bss_flush_by_age(wpa_s, flush_age);
4501 }
4502
4503
4504 #ifdef CONFIG_TESTING_OPTIONS
4505 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4506 {
4507         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4508         /* MLME-DELETEKEYS.request */
4509         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4510         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4511         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4512         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4513 #ifdef CONFIG_IEEE80211W
4514         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4515         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4516 #endif /* CONFIG_IEEE80211W */
4517
4518         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4519                         0);
4520         /* MLME-SETPROTECTION.request(None) */
4521         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4522                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4523                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4524         wpa_sm_drop_sa(wpa_s->wpa);
4525 }
4526 #endif /* CONFIG_TESTING_OPTIONS */
4527
4528
4529 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4530                                           char *addr)
4531 {
4532 #ifdef CONFIG_NO_SCAN_PROCESSING
4533         return -1;
4534 #else /* CONFIG_NO_SCAN_PROCESSING */
4535         u8 bssid[ETH_ALEN];
4536         struct wpa_bss *bss;
4537         struct wpa_ssid *ssid = wpa_s->current_ssid;
4538
4539         if (hwaddr_aton(addr, bssid)) {
4540                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4541                            "address '%s'", addr);
4542                 return -1;
4543         }
4544
4545         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4546
4547         if (!ssid) {
4548                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4549                            "configuration known for the target AP");
4550                 return -1;
4551         }
4552
4553         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4554         if (!bss) {
4555                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4556                            "from BSS table");
4557                 return -1;
4558         }
4559
4560         /*
4561          * TODO: Find best network configuration block from configuration to
4562          * allow roaming to other networks
4563          */
4564
4565         wpa_s->reassociate = 1;
4566         wpa_supplicant_connect(wpa_s, bss, ssid);
4567
4568         return 0;
4569 #endif /* CONFIG_NO_SCAN_PROCESSING */
4570 }
4571
4572
4573 #ifdef CONFIG_P2P
4574 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4575 {
4576         unsigned int timeout = atoi(cmd);
4577         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4578         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4579         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4580         char *pos;
4581         unsigned int search_delay;
4582         const char *_seek[P2P_MAX_QUERY_HASH + 1], **seek = NULL;
4583         u8 seek_count = 0;
4584         int freq = 0;
4585
4586         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4587                 wpa_dbg(wpa_s, MSG_INFO,
4588                         "Reject P2P_FIND since interface is disabled");
4589                 return -1;
4590         }
4591         if (os_strstr(cmd, "type=social"))
4592                 type = P2P_FIND_ONLY_SOCIAL;
4593         else if (os_strstr(cmd, "type=progressive"))
4594                 type = P2P_FIND_PROGRESSIVE;
4595
4596         pos = os_strstr(cmd, "dev_id=");
4597         if (pos) {
4598                 pos += 7;
4599                 if (hwaddr_aton(pos, dev_id))
4600                         return -1;
4601                 _dev_id = dev_id;
4602         }
4603
4604         pos = os_strstr(cmd, "dev_type=");
4605         if (pos) {
4606                 pos += 9;
4607                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4608                         return -1;
4609                 _dev_type = dev_type;
4610         }
4611
4612         pos = os_strstr(cmd, "delay=");
4613         if (pos) {
4614                 pos += 6;
4615                 search_delay = atoi(pos);
4616         } else
4617                 search_delay = wpas_p2p_search_delay(wpa_s);
4618
4619         pos = os_strstr(cmd, "freq=");
4620         if (pos) {
4621                 pos += 5;
4622                 freq = atoi(pos);
4623                 if (freq <= 0)
4624                         return -1;
4625         }
4626
4627         /* Must be searched for last, because it adds nul termination */
4628         pos = os_strstr(cmd, " seek=");
4629         if (pos)
4630                 pos += 6;
4631         while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
4632                 char *term;
4633
4634                 _seek[seek_count++] = pos;
4635                 seek = _seek;
4636                 term = os_strchr(pos, ' ');
4637                 if (!term)
4638                         break;
4639                 *term = '\0';
4640                 pos = os_strstr(term + 1, "seek=");
4641                 if (pos)
4642                         pos += 5;
4643         }
4644         if (seek_count > P2P_MAX_QUERY_HASH) {
4645                 seek[0] = NULL;
4646                 seek_count = 1;
4647         }
4648
4649         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4650                              _dev_id, search_delay, seek_count, seek, freq);
4651 }
4652
4653
4654 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
4655 {
4656         struct p2ps_provision *p2ps_prov;
4657         char *pos;
4658         size_t info_len = 0;
4659         char *info = NULL;
4660         u8 role = P2PS_SETUP_NONE;
4661         long long unsigned val;
4662
4663         pos = os_strstr(cmd, "info=");
4664         if (pos) {
4665                 pos += 5;
4666                 info_len = os_strlen(pos);
4667
4668                 if (info_len) {
4669                         info = os_malloc(info_len + 1);
4670                         if (info) {
4671                                 info_len = utf8_unescape(pos, info_len,
4672                                                          info, info_len + 1);
4673                         } else
4674                                 info_len = 0;
4675                 }
4676         }
4677
4678         p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
4679         if (p2ps_prov == NULL) {
4680                 os_free(info);
4681                 return NULL;
4682         }
4683
4684         if (info) {
4685                 os_memcpy(p2ps_prov->info, info, info_len);
4686                 p2ps_prov->info[info_len] = '\0';
4687                 os_free(info);
4688         }
4689
4690         pos = os_strstr(cmd, "status=");
4691         if (pos)
4692                 p2ps_prov->status = atoi(pos + 7);
4693         else
4694                 p2ps_prov->status = -1;
4695
4696         pos = os_strstr(cmd, "adv_id=");
4697         if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
4698                 goto invalid_args;
4699         p2ps_prov->adv_id = val;
4700
4701         pos = os_strstr(cmd, "method=");
4702         if (pos)
4703                 p2ps_prov->method = strtol(pos + 7, NULL, 16);
4704         else
4705                 p2ps_prov->method = 0;
4706
4707         pos = os_strstr(cmd, "session=");
4708         if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
4709                 goto invalid_args;
4710         p2ps_prov->session_id = val;
4711
4712         pos = os_strstr(cmd, "adv_mac=");
4713         if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
4714                 goto invalid_args;
4715
4716         pos = os_strstr(cmd, "session_mac=");
4717         if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
4718                 goto invalid_args;
4719
4720         /* force conncap with tstCap (no sanity checks) */
4721         pos = os_strstr(cmd, "tstCap=");
4722         if (pos) {
4723                 role = strtol(pos + 7, NULL, 16);
4724         } else {
4725                 pos = os_strstr(cmd, "role=");
4726                 if (pos) {
4727                         role = strtol(pos + 5, NULL, 16);
4728                         if (role != P2PS_SETUP_CLIENT &&
4729                             role != P2PS_SETUP_GROUP_OWNER)
4730                                 role = P2PS_SETUP_NONE;
4731                 }
4732         }
4733         p2ps_prov->role = role;
4734
4735         return p2ps_prov;
4736
4737 invalid_args:
4738         os_free(p2ps_prov);
4739         return NULL;
4740 }
4741
4742
4743 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
4744 {
4745         u8 addr[ETH_ALEN];
4746         struct p2ps_provision *p2ps_prov;
4747         char *pos;
4748
4749         /* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
4750
4751         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4752
4753         if (hwaddr_aton(cmd, addr))
4754                 return -1;
4755
4756         pos = cmd + 17;
4757         if (*pos != ' ')
4758                 return -1;
4759
4760         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4761         if (!p2ps_prov)
4762                 return -1;
4763
4764         if (p2ps_prov->status < 0) {
4765                 os_free(p2ps_prov);
4766                 return -1;
4767         }
4768
4769         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4770                                   p2ps_prov);
4771 }
4772
4773
4774 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
4775 {
4776         u8 addr[ETH_ALEN];
4777         struct p2ps_provision *p2ps_prov;
4778         char *pos;
4779
4780         /* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
4781          *        session=<ses_id> mac=<ses_mac> [info=<infodata>]
4782          */
4783
4784         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4785         if (hwaddr_aton(cmd, addr))
4786                 return -1;
4787
4788         pos = cmd + 17;
4789         if (*pos != ' ')
4790                 return -1;
4791
4792         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4793         if (!p2ps_prov)
4794                 return -1;
4795
4796         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4797                                   p2ps_prov);
4798 }
4799
4800
4801 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4802                             char *buf, size_t buflen)
4803 {
4804         u8 addr[ETH_ALEN];
4805         char *pos, *pos2;
4806         char *pin = NULL;
4807         enum p2p_wps_method wps_method;
4808         int new_pin;
4809         int ret;
4810         int persistent_group, persistent_id = -1;
4811         int join;
4812         int auth;
4813         int automatic;
4814         int go_intent = -1;
4815         int freq = 0;
4816         int pd;
4817         int ht40, vht;
4818
4819         if (!wpa_s->global->p2p_init_wpa_s)
4820                 return -1;
4821         if (wpa_s->global->p2p_init_wpa_s != wpa_s) {
4822                 wpa_dbg(wpa_s, MSG_DEBUG, "Direct P2P_CONNECT command to %s",
4823                         wpa_s->global->p2p_init_wpa_s->ifname);
4824                 wpa_s = wpa_s->global->p2p_init_wpa_s;
4825         }
4826
4827         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
4828          * [persistent|persistent=<network id>]
4829          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4830          * [ht40] [vht] [auto] */
4831
4832         if (hwaddr_aton(cmd, addr))
4833                 return -1;
4834
4835         pos = cmd + 17;
4836         if (*pos != ' ')
4837                 return -1;
4838         pos++;
4839
4840         persistent_group = os_strstr(pos, " persistent") != NULL;
4841         pos2 = os_strstr(pos, " persistent=");
4842         if (pos2) {
4843                 struct wpa_ssid *ssid;
4844                 persistent_id = atoi(pos2 + 12);
4845                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4846                 if (ssid == NULL || ssid->disabled != 2 ||
4847                     ssid->mode != WPAS_MODE_P2P_GO) {
4848                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4849                                    "SSID id=%d for persistent P2P group (GO)",
4850                                    persistent_id);
4851                         return -1;
4852                 }
4853         }
4854         join = os_strstr(pos, " join") != NULL;
4855         auth = os_strstr(pos, " auth") != NULL;
4856         automatic = os_strstr(pos, " auto") != NULL;
4857         pd = os_strstr(pos, " provdisc") != NULL;
4858         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4859         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4860                 vht;
4861
4862         pos2 = os_strstr(pos, " go_intent=");
4863         if (pos2) {
4864                 pos2 += 11;
4865                 go_intent = atoi(pos2);
4866                 if (go_intent < 0 || go_intent > 15)
4867                         return -1;
4868         }
4869
4870         pos2 = os_strstr(pos, " freq=");
4871         if (pos2) {
4872                 pos2 += 6;
4873                 freq = atoi(pos2);
4874                 if (freq <= 0)
4875                         return -1;
4876         }
4877
4878         if (os_strncmp(pos, "pin", 3) == 0) {
4879                 /* Request random PIN (to be displayed) and enable the PIN */
4880                 wps_method = WPS_PIN_DISPLAY;
4881         } else if (os_strncmp(pos, "pbc", 3) == 0) {
4882                 wps_method = WPS_PBC;
4883         } else {
4884                 pin = pos;
4885                 pos = os_strchr(pin, ' ');
4886                 wps_method = WPS_PIN_KEYPAD;
4887                 if (pos) {
4888                         *pos++ = '\0';
4889                         if (os_strncmp(pos, "display", 7) == 0)
4890                                 wps_method = WPS_PIN_DISPLAY;
4891                         else if (os_strncmp(pos, "p2ps", 4) == 0)
4892                                 wps_method = WPS_P2PS;
4893                 }
4894                 if (!wps_pin_str_valid(pin)) {
4895                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
4896                         return 17;
4897                 }
4898         }
4899
4900         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
4901                                    persistent_group, automatic, join,
4902                                    auth, go_intent, freq, persistent_id, pd,
4903                                    ht40, vht);
4904         if (new_pin == -2) {
4905                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
4906                 return 25;
4907         }
4908         if (new_pin == -3) {
4909                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
4910                 return 25;
4911         }
4912         if (new_pin < 0)
4913                 return -1;
4914         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
4915                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
4916                 if (os_snprintf_error(buflen, ret))
4917                         return -1;
4918                 return ret;
4919         }
4920
4921         os_memcpy(buf, "OK\n", 3);
4922         return 3;
4923 }
4924
4925
4926 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
4927 {
4928         unsigned int timeout = atoi(cmd);
4929         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4930                 wpa_dbg(wpa_s, MSG_INFO,
4931                         "Reject P2P_LISTEN since interface is disabled");
4932                 return -1;
4933         }
4934         return wpas_p2p_listen(wpa_s, timeout);
4935 }
4936
4937
4938 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
4939 {
4940         u8 addr[ETH_ALEN];
4941         char *pos;
4942         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
4943
4944         /* <addr> <config method> [join|auto] */
4945
4946         if (hwaddr_aton(cmd, addr))
4947                 return -1;
4948
4949         pos = cmd + 17;
4950         if (*pos != ' ')
4951                 return -1;
4952         pos++;
4953
4954         if (os_strstr(pos, " join") != NULL)
4955                 use = WPAS_P2P_PD_FOR_JOIN;
4956         else if (os_strstr(pos, " auto") != NULL)
4957                 use = WPAS_P2P_PD_AUTO;
4958
4959         return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
4960 }
4961
4962
4963 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
4964                               size_t buflen)
4965 {
4966         struct wpa_ssid *ssid = wpa_s->current_ssid;
4967
4968         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
4969             ssid->passphrase == NULL)
4970                 return -1;
4971
4972         os_strlcpy(buf, ssid->passphrase, buflen);
4973         return os_strlen(buf);
4974 }
4975
4976
4977 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
4978                                   char *buf, size_t buflen)
4979 {
4980         u64 ref;
4981         int res;
4982         u8 dst_buf[ETH_ALEN], *dst;
4983         struct wpabuf *tlvs;
4984         char *pos;
4985         size_t len;
4986
4987         if (hwaddr_aton(cmd, dst_buf))
4988                 return -1;
4989         dst = dst_buf;
4990         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
4991             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
4992                 dst = NULL;
4993         pos = cmd + 17;
4994         if (*pos != ' ')
4995                 return -1;
4996         pos++;
4997
4998         if (os_strncmp(pos, "upnp ", 5) == 0) {
4999                 u8 version;
5000                 pos += 5;
5001                 if (hexstr2bin(pos, &version, 1) < 0)
5002                         return -1;
5003                 pos += 2;
5004                 if (*pos != ' ')
5005                         return -1;
5006                 pos++;
5007                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
5008 #ifdef CONFIG_WIFI_DISPLAY
5009         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
5010                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
5011 #endif /* CONFIG_WIFI_DISPLAY */
5012         } else if (os_strncmp(pos, "asp ", 4) == 0) {
5013                 char *svc_str;
5014                 char *svc_info = NULL;
5015                 u32 id;
5016
5017                 pos += 4;
5018                 if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
5019                         return -1;
5020
5021                 pos = os_strchr(pos, ' ');
5022                 if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
5023                         return -1;
5024
5025                 svc_str = pos + 1;
5026
5027                 pos = os_strchr(svc_str, ' ');
5028
5029                 if (pos)
5030                         *pos++ = '\0';
5031
5032                 /* All remaining data is the svc_info string */
5033                 if (pos && pos[0] && pos[0] != ' ') {
5034                         len = os_strlen(pos);
5035
5036                         /* Unescape in place */
5037                         len = utf8_unescape(pos, len, pos, len);
5038                         if (len > 0xff)
5039                                 return -1;
5040
5041                         svc_info = pos;
5042                 }
5043
5044                 ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
5045                                               svc_str, svc_info);
5046         } else {
5047                 len = os_strlen(pos);
5048                 if (len & 1)
5049                         return -1;
5050                 len /= 2;
5051                 tlvs = wpabuf_alloc(len);
5052                 if (tlvs == NULL)
5053                         return -1;
5054                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
5055                         wpabuf_free(tlvs);
5056                         return -1;
5057                 }
5058
5059                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
5060                 wpabuf_free(tlvs);
5061         }
5062         if (ref == 0)
5063                 return -1;
5064         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
5065         if (os_snprintf_error(buflen, res))
5066                 return -1;
5067         return res;
5068 }
5069
5070
5071 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
5072                                          char *cmd)
5073 {
5074         long long unsigned val;
5075         u64 req;
5076         if (sscanf(cmd, "%llx", &val) != 1)
5077                 return -1;
5078         req = val;
5079         return wpas_p2p_sd_cancel_request(wpa_s, req);
5080 }
5081
5082
5083 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
5084 {
5085         int freq;
5086         u8 dst[ETH_ALEN];
5087         u8 dialog_token;
5088         struct wpabuf *resp_tlvs;
5089         char *pos, *pos2;
5090         size_t len;
5091
5092         pos = os_strchr(cmd, ' ');
5093         if (pos == NULL)
5094                 return -1;
5095         *pos++ = '\0';
5096         freq = atoi(cmd);
5097         if (freq == 0)
5098                 return -1;
5099
5100         if (hwaddr_aton(pos, dst))
5101                 return -1;
5102         pos += 17;
5103         if (*pos != ' ')
5104                 return -1;
5105         pos++;
5106
5107         pos2 = os_strchr(pos, ' ');
5108         if (pos2 == NULL)
5109                 return -1;
5110         *pos2++ = '\0';
5111         dialog_token = atoi(pos);
5112
5113         len = os_strlen(pos2);
5114         if (len & 1)
5115                 return -1;
5116         len /= 2;
5117         resp_tlvs = wpabuf_alloc(len);
5118         if (resp_tlvs == NULL)
5119                 return -1;
5120         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
5121                 wpabuf_free(resp_tlvs);
5122                 return -1;
5123         }
5124
5125         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
5126         wpabuf_free(resp_tlvs);
5127         return 0;
5128 }
5129
5130
5131 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
5132                                        char *cmd)
5133 {
5134         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
5135                 return -1;
5136         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
5137         return 0;
5138 }
5139
5140
5141 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
5142                                         char *cmd)
5143 {
5144         char *pos;
5145         size_t len;
5146         struct wpabuf *query, *resp;
5147
5148         pos = os_strchr(cmd, ' ');
5149         if (pos == NULL)
5150                 return -1;
5151         *pos++ = '\0';
5152
5153         len = os_strlen(cmd);
5154         if (len & 1)
5155                 return -1;
5156         len /= 2;
5157         query = wpabuf_alloc(len);
5158         if (query == NULL)
5159                 return -1;
5160         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5161                 wpabuf_free(query);
5162                 return -1;
5163         }
5164
5165         len = os_strlen(pos);
5166         if (len & 1) {
5167                 wpabuf_free(query);
5168                 return -1;
5169         }
5170         len /= 2;
5171         resp = wpabuf_alloc(len);
5172         if (resp == NULL) {
5173                 wpabuf_free(query);
5174                 return -1;
5175         }
5176         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
5177                 wpabuf_free(query);
5178                 wpabuf_free(resp);
5179                 return -1;
5180         }
5181
5182         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
5183                 wpabuf_free(query);
5184                 wpabuf_free(resp);
5185                 return -1;
5186         }
5187         return 0;
5188 }
5189
5190
5191 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5192 {
5193         char *pos;
5194         u8 version;
5195
5196         pos = os_strchr(cmd, ' ');
5197         if (pos == NULL)
5198                 return -1;
5199         *pos++ = '\0';
5200
5201         if (hexstr2bin(cmd, &version, 1) < 0)
5202                 return -1;
5203
5204         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
5205 }
5206
5207
5208 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
5209                                     u8 replace, char *cmd)
5210 {
5211         char *pos;
5212         char *adv_str;
5213         u32 auto_accept, adv_id, svc_state, config_methods;
5214         char *svc_info = NULL;
5215
5216         pos = os_strchr(cmd, ' ');
5217         if (pos == NULL)
5218                 return -1;
5219         *pos++ = '\0';
5220
5221         /* Auto-Accept value is mandatory, and must be one of the
5222          * single values (0, 1, 2, 4) */
5223         auto_accept = atoi(cmd);
5224         switch (auto_accept) {
5225         case P2PS_SETUP_NONE: /* No auto-accept */
5226         case P2PS_SETUP_NEW:
5227         case P2PS_SETUP_CLIENT:
5228         case P2PS_SETUP_GROUP_OWNER:
5229                 break;
5230         default:
5231                 return -1;
5232         }
5233
5234         /* Advertisement ID is mandatory */
5235         cmd = pos;
5236         pos = os_strchr(cmd, ' ');
5237         if (pos == NULL)
5238                 return -1;
5239         *pos++ = '\0';
5240
5241         /* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
5242         if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
5243                 return -1;
5244
5245         /* Only allow replacements if exist, and adds if not */
5246         if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
5247                 if (!replace)
5248                         return -1;
5249         } else {
5250                 if (replace)
5251                         return -1;
5252         }
5253
5254         /* svc_state between 0 - 0xff is mandatory */
5255         if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
5256                 return -1;
5257
5258         pos = os_strchr(pos, ' ');
5259         if (pos == NULL)
5260                 return -1;
5261
5262         /* config_methods is mandatory */
5263         pos++;
5264         if (sscanf(pos, "%x", &config_methods) != 1)
5265                 return -1;
5266
5267         if (!(config_methods &
5268               (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
5269                 return -1;
5270
5271         pos = os_strchr(pos, ' ');
5272         if (pos == NULL)
5273                 return -1;
5274
5275         pos++;
5276         adv_str = pos;
5277
5278         /* Advertisement string is mandatory */
5279         if (!pos[0] || pos[0] == ' ')
5280                 return -1;
5281
5282         /* Terminate svc string */
5283         pos = os_strchr(pos, ' ');
5284         if (pos != NULL)
5285                 *pos++ = '\0';
5286
5287         /* Service and Response Information are optional */
5288         if (pos && pos[0]) {
5289                 size_t len;
5290
5291                 /* Note the bare ' included, which cannot exist legally
5292                  * in unescaped string. */
5293                 svc_info = os_strstr(pos, "svc_info='");
5294
5295                 if (svc_info) {
5296                         svc_info += 9;
5297                         len = os_strlen(svc_info);
5298                         utf8_unescape(svc_info, len, svc_info, len);
5299                 }
5300         }
5301
5302         return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
5303                                         (u8) svc_state, (u16) config_methods,
5304                                         svc_info);
5305 }
5306
5307
5308 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
5309 {
5310         char *pos;
5311
5312         pos = os_strchr(cmd, ' ');
5313         if (pos == NULL)
5314                 return -1;
5315         *pos++ = '\0';
5316
5317         if (os_strcmp(cmd, "bonjour") == 0)
5318                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
5319         if (os_strcmp(cmd, "upnp") == 0)
5320                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
5321         if (os_strcmp(cmd, "asp") == 0)
5322                 return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
5323         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5324         return -1;
5325 }
5326
5327
5328 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
5329                                         char *cmd)
5330 {
5331         size_t len;
5332         struct wpabuf *query;
5333         int ret;
5334
5335         len = os_strlen(cmd);
5336         if (len & 1)
5337                 return -1;
5338         len /= 2;
5339         query = wpabuf_alloc(len);
5340         if (query == NULL)
5341                 return -1;
5342         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5343                 wpabuf_free(query);
5344                 return -1;
5345         }
5346
5347         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
5348         wpabuf_free(query);
5349         return ret;
5350 }
5351
5352
5353 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5354 {
5355         char *pos;
5356         u8 version;
5357
5358         pos = os_strchr(cmd, ' ');
5359         if (pos == NULL)
5360                 return -1;
5361         *pos++ = '\0';
5362
5363         if (hexstr2bin(cmd, &version, 1) < 0)
5364                 return -1;
5365
5366         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
5367 }
5368
5369
5370 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
5371 {
5372         u32 adv_id;
5373
5374         if (os_strcmp(cmd, "all") == 0) {
5375                 wpas_p2p_service_flush_asp(wpa_s);
5376                 return 0;
5377         }
5378
5379         if (sscanf(cmd, "%x", &adv_id) != 1)
5380                 return -1;
5381
5382         return wpas_p2p_service_del_asp(wpa_s, adv_id);
5383 }
5384
5385
5386 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
5387 {
5388         char *pos;
5389
5390         pos = os_strchr(cmd, ' ');
5391         if (pos == NULL)
5392                 return -1;
5393         *pos++ = '\0';
5394
5395         if (os_strcmp(cmd, "bonjour") == 0)
5396                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
5397         if (os_strcmp(cmd, "upnp") == 0)
5398                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
5399         if (os_strcmp(cmd, "asp") == 0)
5400                 return p2p_ctrl_service_del_asp(wpa_s, pos);
5401         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5402         return -1;
5403 }
5404
5405
5406 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
5407 {
5408         char *pos;
5409
5410         pos = os_strchr(cmd, ' ');
5411         if (pos == NULL)
5412                 return -1;
5413         *pos++ = '\0';
5414
5415         if (os_strcmp(cmd, "asp") == 0)
5416                 return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
5417
5418         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5419         return -1;
5420 }
5421
5422
5423 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
5424 {
5425         u8 addr[ETH_ALEN];
5426
5427         /* <addr> */
5428
5429         if (hwaddr_aton(cmd, addr))
5430                 return -1;
5431
5432         return wpas_p2p_reject(wpa_s, addr);
5433 }
5434
5435
5436 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
5437 {
5438         char *pos;
5439         int id;
5440         struct wpa_ssid *ssid;
5441         u8 *_peer = NULL, peer[ETH_ALEN];
5442         int freq = 0, pref_freq = 0;
5443         int ht40, vht;
5444
5445         id = atoi(cmd);
5446         pos = os_strstr(cmd, " peer=");
5447         if (pos) {
5448                 pos += 6;
5449                 if (hwaddr_aton(pos, peer))
5450                         return -1;
5451                 _peer = peer;
5452         }
5453         ssid = wpa_config_get_network(wpa_s->conf, id);
5454         if (ssid == NULL || ssid->disabled != 2) {
5455                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5456                            "for persistent P2P group",
5457                            id);
5458                 return -1;
5459         }
5460
5461         pos = os_strstr(cmd, " freq=");
5462         if (pos) {
5463                 pos += 6;
5464                 freq = atoi(pos);
5465                 if (freq <= 0)
5466                         return -1;
5467         }
5468
5469         pos = os_strstr(cmd, " pref=");
5470         if (pos) {
5471                 pos += 6;
5472                 pref_freq = atoi(pos);
5473                 if (pref_freq <= 0)
5474                         return -1;
5475         }
5476
5477         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5478         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5479                 vht;
5480
5481         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
5482                                pref_freq);
5483 }
5484
5485
5486 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
5487 {
5488         char *pos;
5489         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
5490
5491         pos = os_strstr(cmd, " peer=");
5492         if (!pos)
5493                 return -1;
5494
5495         *pos = '\0';
5496         pos += 6;
5497         if (hwaddr_aton(pos, peer)) {
5498                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
5499                 return -1;
5500         }
5501
5502         pos = os_strstr(pos, " go_dev_addr=");
5503         if (pos) {
5504                 pos += 13;
5505                 if (hwaddr_aton(pos, go_dev_addr)) {
5506                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
5507                                    pos);
5508                         return -1;
5509                 }
5510                 go_dev = go_dev_addr;
5511         }
5512
5513         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
5514 }
5515
5516
5517 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
5518 {
5519         if (os_strncmp(cmd, "persistent=", 11) == 0)
5520                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
5521         if (os_strncmp(cmd, "group=", 6) == 0)
5522                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
5523
5524         return -1;
5525 }
5526
5527
5528 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
5529                                          int id, int freq, int ht40, int vht)
5530 {
5531         struct wpa_ssid *ssid;
5532
5533         ssid = wpa_config_get_network(wpa_s->conf, id);
5534         if (ssid == NULL || ssid->disabled != 2) {
5535                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5536                            "for persistent P2P group",
5537                            id);
5538                 return -1;
5539         }
5540
5541         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
5542                                              NULL, 0);
5543 }
5544
5545
5546 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
5547 {
5548         int freq = 0, persistent = 0, group_id = -1;
5549         int vht = wpa_s->conf->p2p_go_vht;
5550         int ht40 = wpa_s->conf->p2p_go_ht40 || vht;
5551         char *token, *context = NULL;
5552
5553         while ((token = str_token(cmd, " ", &context))) {
5554                 if (sscanf(token, "freq=%d", &freq) == 1 ||
5555                     sscanf(token, "persistent=%d", &group_id) == 1) {
5556                         continue;
5557                 } else if (os_strcmp(token, "ht40") == 0) {
5558                         ht40 = 1;
5559                 } else if (os_strcmp(token, "vht") == 0) {
5560                         vht = 1;
5561                         ht40 = 1;
5562                 } else if (os_strcmp(token, "persistent") == 0) {
5563                         persistent = 1;
5564                 } else {
5565                         wpa_printf(MSG_DEBUG,
5566                                    "CTRL: Invalid P2P_GROUP_ADD parameter: '%s'",
5567                                    token);
5568                         return -1;
5569                 }
5570         }
5571
5572         if (group_id >= 0)
5573                 return p2p_ctrl_group_add_persistent(wpa_s, group_id,
5574                                                      freq, ht40, vht);
5575
5576         return wpas_p2p_group_add(wpa_s, persistent, freq, ht40, vht);
5577 }
5578
5579
5580 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
5581                          char *buf, size_t buflen)
5582 {
5583         u8 addr[ETH_ALEN], *addr_ptr;
5584         int next, res;
5585         const struct p2p_peer_info *info;
5586         char *pos, *end;
5587         char devtype[WPS_DEV_TYPE_BUFSIZE];
5588         struct wpa_ssid *ssid;
5589         size_t i;
5590
5591         if (!wpa_s->global->p2p)
5592                 return -1;
5593
5594         if (os_strcmp(cmd, "FIRST") == 0) {
5595                 addr_ptr = NULL;
5596                 next = 0;
5597         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5598                 if (hwaddr_aton(cmd + 5, addr) < 0)
5599                         return -1;
5600                 addr_ptr = addr;
5601                 next = 1;
5602         } else {
5603                 if (hwaddr_aton(cmd, addr) < 0)
5604                         return -1;
5605                 addr_ptr = addr;
5606                 next = 0;
5607         }
5608
5609         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
5610         if (info == NULL)
5611                 return -1;
5612
5613         pos = buf;
5614         end = buf + buflen;
5615
5616         res = os_snprintf(pos, end - pos, MACSTR "\n"
5617                           "pri_dev_type=%s\n"
5618                           "device_name=%s\n"
5619                           "manufacturer=%s\n"
5620                           "model_name=%s\n"
5621                           "model_number=%s\n"
5622                           "serial_number=%s\n"
5623                           "config_methods=0x%x\n"
5624                           "dev_capab=0x%x\n"
5625                           "group_capab=0x%x\n"
5626                           "level=%d\n",
5627                           MAC2STR(info->p2p_device_addr),
5628                           wps_dev_type_bin2str(info->pri_dev_type,
5629                                                devtype, sizeof(devtype)),
5630                           info->device_name,
5631                           info->manufacturer,
5632                           info->model_name,
5633                           info->model_number,
5634                           info->serial_number,
5635                           info->config_methods,
5636                           info->dev_capab,
5637                           info->group_capab,
5638                           info->level);
5639         if (os_snprintf_error(end - pos, res))
5640                 return pos - buf;
5641         pos += res;
5642
5643         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
5644         {
5645                 const u8 *t;
5646                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
5647                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
5648                                   wps_dev_type_bin2str(t, devtype,
5649                                                        sizeof(devtype)));
5650                 if (os_snprintf_error(end - pos, res))
5651                         return pos - buf;
5652                 pos += res;
5653         }
5654
5655         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
5656         if (ssid) {
5657                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
5658                 if (os_snprintf_error(end - pos, res))
5659                         return pos - buf;
5660                 pos += res;
5661         }
5662
5663         res = p2p_get_peer_info_txt(info, pos, end - pos);
5664         if (res < 0)
5665                 return pos - buf;
5666         pos += res;
5667
5668         if (info->vendor_elems) {
5669                 res = os_snprintf(pos, end - pos, "vendor_elems=");
5670                 if (os_snprintf_error(end - pos, res))
5671                         return pos - buf;
5672                 pos += res;
5673
5674                 pos += wpa_snprintf_hex(pos, end - pos,
5675                                         wpabuf_head(info->vendor_elems),
5676                                         wpabuf_len(info->vendor_elems));
5677
5678                 res = os_snprintf(pos, end - pos, "\n");
5679                 if (os_snprintf_error(end - pos, res))
5680                         return pos - buf;
5681                 pos += res;
5682         }
5683
5684         return pos - buf;
5685 }
5686
5687
5688 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
5689                                   const char *param)
5690 {
5691         unsigned int i;
5692
5693         if (wpa_s->global->p2p == NULL)
5694                 return -1;
5695
5696         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
5697                 return -1;
5698
5699         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
5700                 struct wpa_freq_range *freq;
5701                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
5702                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
5703                            freq->min, freq->max);
5704         }
5705
5706         wpas_p2p_update_channel_list(wpa_s);
5707         return 0;
5708 }
5709
5710
5711 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
5712 {
5713         char *param;
5714
5715         if (wpa_s->global->p2p == NULL)
5716                 return -1;
5717
5718         param = os_strchr(cmd, ' ');
5719         if (param == NULL)
5720                 return -1;
5721         *param++ = '\0';
5722
5723         if (os_strcmp(cmd, "discoverability") == 0) {
5724                 p2p_set_client_discoverability(wpa_s->global->p2p,
5725                                                atoi(param));
5726                 return 0;
5727         }
5728
5729         if (os_strcmp(cmd, "managed") == 0) {
5730                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5731                 return 0;
5732         }
5733
5734         if (os_strcmp(cmd, "listen_channel") == 0) {
5735                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
5736                                               atoi(param), 1);
5737         }
5738
5739         if (os_strcmp(cmd, "ssid_postfix") == 0) {
5740                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
5741                                             os_strlen(param));
5742         }
5743
5744         if (os_strcmp(cmd, "noa") == 0) {
5745                 char *pos;
5746                 int count, start, duration;
5747                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
5748                 count = atoi(param);
5749                 pos = os_strchr(param, ',');
5750                 if (pos == NULL)
5751                         return -1;
5752                 pos++;
5753                 start = atoi(pos);
5754                 pos = os_strchr(pos, ',');
5755                 if (pos == NULL)
5756                         return -1;
5757                 pos++;
5758                 duration = atoi(pos);
5759                 if (count < 0 || count > 255 || start < 0 || duration < 0)
5760                         return -1;
5761                 if (count == 0 && duration > 0)
5762                         return -1;
5763                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
5764                            "start=%d duration=%d", count, start, duration);
5765                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
5766         }
5767
5768         if (os_strcmp(cmd, "ps") == 0)
5769                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
5770
5771         if (os_strcmp(cmd, "oppps") == 0)
5772                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
5773
5774         if (os_strcmp(cmd, "ctwindow") == 0)
5775                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
5776
5777         if (os_strcmp(cmd, "disabled") == 0) {
5778                 wpa_s->global->p2p_disabled = atoi(param);
5779                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
5780                            wpa_s->global->p2p_disabled ?
5781                            "disabled" : "enabled");
5782                 if (wpa_s->global->p2p_disabled) {
5783                         wpas_p2p_stop_find(wpa_s);
5784                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5785                         p2p_flush(wpa_s->global->p2p);
5786                 }
5787                 return 0;
5788         }
5789
5790         if (os_strcmp(cmd, "conc_pref") == 0) {
5791                 if (os_strcmp(param, "sta") == 0)
5792                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
5793                 else if (os_strcmp(param, "p2p") == 0)
5794                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
5795                 else {
5796                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
5797                         return -1;
5798                 }
5799                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
5800                            "%s", param);
5801                 return 0;
5802         }
5803
5804         if (os_strcmp(cmd, "force_long_sd") == 0) {
5805                 wpa_s->force_long_sd = atoi(param);
5806                 return 0;
5807         }
5808
5809         if (os_strcmp(cmd, "peer_filter") == 0) {
5810                 u8 addr[ETH_ALEN];
5811                 if (hwaddr_aton(param, addr))
5812                         return -1;
5813                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
5814                 return 0;
5815         }
5816
5817         if (os_strcmp(cmd, "cross_connect") == 0)
5818                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
5819
5820         if (os_strcmp(cmd, "go_apsd") == 0) {
5821                 if (os_strcmp(param, "disable") == 0)
5822                         wpa_s->set_ap_uapsd = 0;
5823                 else {
5824                         wpa_s->set_ap_uapsd = 1;
5825                         wpa_s->ap_uapsd = atoi(param);
5826                 }
5827                 return 0;
5828         }
5829
5830         if (os_strcmp(cmd, "client_apsd") == 0) {
5831                 if (os_strcmp(param, "disable") == 0)
5832                         wpa_s->set_sta_uapsd = 0;
5833                 else {
5834                         int be, bk, vi, vo;
5835                         char *pos;
5836                         /* format: BE,BK,VI,VO;max SP Length */
5837                         be = atoi(param);
5838                         pos = os_strchr(param, ',');
5839                         if (pos == NULL)
5840                                 return -1;
5841                         pos++;
5842                         bk = atoi(pos);
5843                         pos = os_strchr(pos, ',');
5844                         if (pos == NULL)
5845                                 return -1;
5846                         pos++;
5847                         vi = atoi(pos);
5848                         pos = os_strchr(pos, ',');
5849                         if (pos == NULL)
5850                                 return -1;
5851                         pos++;
5852                         vo = atoi(pos);
5853                         /* ignore max SP Length for now */
5854
5855                         wpa_s->set_sta_uapsd = 1;
5856                         wpa_s->sta_uapsd = 0;
5857                         if (be)
5858                                 wpa_s->sta_uapsd |= BIT(0);
5859                         if (bk)
5860                                 wpa_s->sta_uapsd |= BIT(1);
5861                         if (vi)
5862                                 wpa_s->sta_uapsd |= BIT(2);
5863                         if (vo)
5864                                 wpa_s->sta_uapsd |= BIT(3);
5865                 }
5866                 return 0;
5867         }
5868
5869         if (os_strcmp(cmd, "disallow_freq") == 0)
5870                 return p2p_ctrl_disallow_freq(wpa_s, param);
5871
5872         if (os_strcmp(cmd, "disc_int") == 0) {
5873                 int min_disc_int, max_disc_int, max_disc_tu;
5874                 char *pos;
5875
5876                 pos = param;
5877
5878                 min_disc_int = atoi(pos);
5879                 pos = os_strchr(pos, ' ');
5880                 if (pos == NULL)
5881                         return -1;
5882                 *pos++ = '\0';
5883
5884                 max_disc_int = atoi(pos);
5885                 pos = os_strchr(pos, ' ');
5886                 if (pos == NULL)
5887                         return -1;
5888                 *pos++ = '\0';
5889
5890                 max_disc_tu = atoi(pos);
5891
5892                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
5893                                         max_disc_int, max_disc_tu);
5894         }
5895
5896         if (os_strcmp(cmd, "per_sta_psk") == 0) {
5897                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
5898                 return 0;
5899         }
5900
5901 #ifdef CONFIG_WPS_NFC
5902         if (os_strcmp(cmd, "nfc_tag") == 0)
5903                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
5904 #endif /* CONFIG_WPS_NFC */
5905
5906         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
5907                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
5908                 return 0;
5909         }
5910
5911         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
5912                    cmd);
5913
5914         return -1;
5915 }
5916
5917
5918 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
5919 {
5920         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5921         wpa_s->force_long_sd = 0;
5922         wpas_p2p_stop_find(wpa_s);
5923         if (wpa_s->global->p2p)
5924                 p2p_flush(wpa_s->global->p2p);
5925 }
5926
5927
5928 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
5929 {
5930         char *pos, *pos2;
5931         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
5932
5933         if (cmd[0]) {
5934                 pos = os_strchr(cmd, ' ');
5935                 if (pos == NULL)
5936                         return -1;
5937                 *pos++ = '\0';
5938                 dur1 = atoi(cmd);
5939
5940                 pos2 = os_strchr(pos, ' ');
5941                 if (pos2)
5942                         *pos2++ = '\0';
5943                 int1 = atoi(pos);
5944         } else
5945                 pos2 = NULL;
5946
5947         if (pos2) {
5948                 pos = os_strchr(pos2, ' ');
5949                 if (pos == NULL)
5950                         return -1;
5951                 *pos++ = '\0';
5952                 dur2 = atoi(pos2);
5953                 int2 = atoi(pos);
5954         }
5955
5956         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
5957 }
5958
5959
5960 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
5961 {
5962         char *pos;
5963         unsigned int period = 0, interval = 0;
5964
5965         if (cmd[0]) {
5966                 pos = os_strchr(cmd, ' ');
5967                 if (pos == NULL)
5968                         return -1;
5969                 *pos++ = '\0';
5970                 period = atoi(cmd);
5971                 interval = atoi(pos);
5972         }
5973
5974         return wpas_p2p_ext_listen(wpa_s, period, interval);
5975 }
5976
5977
5978 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
5979 {
5980         const char *pos;
5981         u8 peer[ETH_ALEN];
5982         int iface_addr = 0;
5983
5984         pos = cmd;
5985         if (os_strncmp(pos, "iface=", 6) == 0) {
5986                 iface_addr = 1;
5987                 pos += 6;
5988         }
5989         if (hwaddr_aton(pos, peer))
5990                 return -1;
5991
5992         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
5993         return 0;
5994 }
5995
5996 #endif /* CONFIG_P2P */
5997
5998
5999 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
6000 {
6001         struct wpa_freq_range_list ranges;
6002         int *freqs = NULL;
6003         struct hostapd_hw_modes *mode;
6004         u16 i;
6005
6006         if (wpa_s->hw.modes == NULL)
6007                 return NULL;
6008
6009         os_memset(&ranges, 0, sizeof(ranges));
6010         if (freq_range_list_parse(&ranges, val) < 0)
6011                 return NULL;
6012
6013         for (i = 0; i < wpa_s->hw.num_modes; i++) {
6014                 int j;
6015
6016                 mode = &wpa_s->hw.modes[i];
6017                 for (j = 0; j < mode->num_channels; j++) {
6018                         unsigned int freq;
6019
6020                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
6021                                 continue;
6022
6023                         freq = mode->channels[j].freq;
6024                         if (!freq_range_list_includes(&ranges, freq))
6025                                 continue;
6026
6027                         int_array_add_unique(&freqs, freq);
6028                 }
6029         }
6030
6031         os_free(ranges.range);
6032         return freqs;
6033 }
6034
6035
6036 #ifdef CONFIG_INTERWORKING
6037
6038 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
6039 {
6040         int auto_sel = 0;
6041         int *freqs = NULL;
6042
6043         if (param) {
6044                 char *pos;
6045
6046                 auto_sel = os_strstr(param, "auto") != NULL;
6047
6048                 pos = os_strstr(param, "freq=");
6049                 if (pos) {
6050                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
6051                         if (freqs == NULL)
6052                                 return -1;
6053                 }
6054
6055         }
6056
6057         return interworking_select(wpa_s, auto_sel, freqs);
6058 }
6059
6060
6061 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
6062                                      int only_add)
6063 {
6064         u8 bssid[ETH_ALEN];
6065         struct wpa_bss *bss;
6066
6067         if (hwaddr_aton(dst, bssid)) {
6068                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
6069                 return -1;
6070         }
6071
6072         bss = wpa_bss_get_bssid(wpa_s, bssid);
6073         if (bss == NULL) {
6074                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
6075                            MAC2STR(bssid));
6076                 return -1;
6077         }
6078
6079         if (bss->ssid_len == 0) {
6080                 int found = 0;
6081
6082                 wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
6083                            " does not have SSID information", MAC2STR(bssid));
6084
6085                 dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
6086                                          list) {
6087                         if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
6088                             bss->ssid_len > 0) {
6089                                 found = 1;
6090                                 break;
6091                         }
6092                 }
6093
6094                 if (!found)
6095                         return -1;
6096                 wpa_printf(MSG_DEBUG,
6097                            "Found another matching BSS entry with SSID");
6098         }
6099
6100         return interworking_connect(wpa_s, bss, only_add);
6101 }
6102
6103
6104 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
6105 {
6106         u8 dst_addr[ETH_ALEN];
6107         int used;
6108         char *pos;
6109 #define MAX_ANQP_INFO_ID 100
6110         u16 id[MAX_ANQP_INFO_ID];
6111         size_t num_id = 0;
6112         u32 subtypes = 0;
6113
6114         used = hwaddr_aton2(dst, dst_addr);
6115         if (used < 0)
6116                 return -1;
6117         pos = dst + used;
6118         if (*pos == ' ')
6119                 pos++;
6120         while (num_id < MAX_ANQP_INFO_ID) {
6121                 if (os_strncmp(pos, "hs20:", 5) == 0) {
6122 #ifdef CONFIG_HS20
6123                         int num = atoi(pos + 5);
6124                         if (num <= 0 || num > 31)
6125                                 return -1;
6126                         subtypes |= BIT(num);
6127 #else /* CONFIG_HS20 */
6128                         return -1;
6129 #endif /* CONFIG_HS20 */
6130                 } else {
6131                         id[num_id] = atoi(pos);
6132                         if (id[num_id])
6133                                 num_id++;
6134                 }
6135                 pos = os_strchr(pos + 1, ',');
6136                 if (pos == NULL)
6137                         break;
6138                 pos++;
6139         }
6140
6141         if (num_id == 0)
6142                 return -1;
6143
6144         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
6145 }
6146
6147
6148 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
6149 {
6150         u8 dst_addr[ETH_ALEN];
6151         struct wpabuf *advproto, *query = NULL;
6152         int used, ret = -1;
6153         char *pos, *end;
6154         size_t len;
6155
6156         used = hwaddr_aton2(cmd, dst_addr);
6157         if (used < 0)
6158                 return -1;
6159
6160         pos = cmd + used;
6161         while (*pos == ' ')
6162                 pos++;
6163
6164         /* Advertisement Protocol ID */
6165         end = os_strchr(pos, ' ');
6166         if (end)
6167                 len = end - pos;
6168         else
6169                 len = os_strlen(pos);
6170         if (len & 0x01)
6171                 return -1;
6172         len /= 2;
6173         if (len == 0)
6174                 return -1;
6175         advproto = wpabuf_alloc(len);
6176         if (advproto == NULL)
6177                 return -1;
6178         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
6179                 goto fail;
6180
6181         if (end) {
6182                 /* Optional Query Request */
6183                 pos = end + 1;
6184                 while (*pos == ' ')
6185                         pos++;
6186
6187                 len = os_strlen(pos);
6188                 if (len) {
6189                         if (len & 0x01)
6190                                 goto fail;
6191                         len /= 2;
6192                         if (len == 0)
6193                                 goto fail;
6194                         query = wpabuf_alloc(len);
6195                         if (query == NULL)
6196                                 goto fail;
6197                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
6198                                 goto fail;
6199                 }
6200         }
6201
6202         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
6203
6204 fail:
6205         wpabuf_free(advproto);
6206         wpabuf_free(query);
6207
6208         return ret;
6209 }
6210
6211
6212 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
6213                             size_t buflen)
6214 {
6215         u8 addr[ETH_ALEN];
6216         int dialog_token;
6217         int used;
6218         char *pos;
6219         size_t resp_len, start, requested_len;
6220         struct wpabuf *resp;
6221         int ret;
6222
6223         used = hwaddr_aton2(cmd, addr);
6224         if (used < 0)
6225                 return -1;
6226
6227         pos = cmd + used;
6228         while (*pos == ' ')
6229                 pos++;
6230         dialog_token = atoi(pos);
6231
6232         if (wpa_s->last_gas_resp &&
6233             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
6234             dialog_token == wpa_s->last_gas_dialog_token)
6235                 resp = wpa_s->last_gas_resp;
6236         else if (wpa_s->prev_gas_resp &&
6237                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
6238                  dialog_token == wpa_s->prev_gas_dialog_token)
6239                 resp = wpa_s->prev_gas_resp;
6240         else
6241                 return -1;
6242
6243         resp_len = wpabuf_len(resp);
6244         start = 0;
6245         requested_len = resp_len;
6246
6247         pos = os_strchr(pos, ' ');
6248         if (pos) {
6249                 start = atoi(pos);
6250                 if (start > resp_len)
6251                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6252                 pos = os_strchr(pos, ',');
6253                 if (pos == NULL)
6254                         return -1;
6255                 pos++;
6256                 requested_len = atoi(pos);
6257                 if (start + requested_len > resp_len)
6258                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6259         }
6260
6261         if (requested_len * 2 + 1 > buflen)
6262                 return os_snprintf(buf, buflen, "FAIL-Too long response");
6263
6264         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
6265                                requested_len);
6266
6267         if (start + requested_len == resp_len) {
6268                 /*
6269                  * Free memory by dropping the response after it has been
6270                  * fetched.
6271                  */
6272                 if (resp == wpa_s->prev_gas_resp) {
6273                         wpabuf_free(wpa_s->prev_gas_resp);
6274                         wpa_s->prev_gas_resp = NULL;
6275                 } else {
6276                         wpabuf_free(wpa_s->last_gas_resp);
6277                         wpa_s->last_gas_resp = NULL;
6278                 }
6279         }
6280
6281         return ret;
6282 }
6283 #endif /* CONFIG_INTERWORKING */
6284
6285
6286 #ifdef CONFIG_HS20
6287
6288 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
6289 {
6290         u8 dst_addr[ETH_ALEN];
6291         int used;
6292         char *pos;
6293         u32 subtypes = 0;
6294
6295         used = hwaddr_aton2(dst, dst_addr);
6296         if (used < 0)
6297                 return -1;
6298         pos = dst + used;
6299         if (*pos == ' ')
6300                 pos++;
6301         for (;;) {
6302                 int num = atoi(pos);
6303                 if (num <= 0 || num > 31)
6304                         return -1;
6305                 subtypes |= BIT(num);
6306                 pos = os_strchr(pos + 1, ',');
6307                 if (pos == NULL)
6308                         break;
6309                 pos++;
6310         }
6311
6312         if (subtypes == 0)
6313                 return -1;
6314
6315         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
6316 }
6317
6318
6319 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6320                                     const u8 *addr, const char *realm)
6321 {
6322         u8 *buf;
6323         size_t rlen, len;
6324         int ret;
6325
6326         rlen = os_strlen(realm);
6327         len = 3 + rlen;
6328         buf = os_malloc(len);
6329         if (buf == NULL)
6330                 return -1;
6331         buf[0] = 1; /* NAI Home Realm Count */
6332         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
6333         buf[2] = rlen;
6334         os_memcpy(buf + 3, realm, rlen);
6335
6336         ret = hs20_anqp_send_req(wpa_s, addr,
6337                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6338                                  buf, len);
6339
6340         os_free(buf);
6341
6342         return ret;
6343 }
6344
6345
6346 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6347                                         char *dst)
6348 {
6349         struct wpa_cred *cred = wpa_s->conf->cred;
6350         u8 dst_addr[ETH_ALEN];
6351         int used;
6352         u8 *buf;
6353         size_t len;
6354         int ret;
6355
6356         used = hwaddr_aton2(dst, dst_addr);
6357         if (used < 0)
6358                 return -1;
6359
6360         while (dst[used] == ' ')
6361                 used++;
6362         if (os_strncmp(dst + used, "realm=", 6) == 0)
6363                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
6364                                                 dst + used + 6);
6365
6366         len = os_strlen(dst + used);
6367
6368         if (len == 0 && cred && cred->realm)
6369                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
6370
6371         if (len & 1)
6372                 return -1;
6373         len /= 2;
6374         buf = os_malloc(len);
6375         if (buf == NULL)
6376                 return -1;
6377         if (hexstr2bin(dst + used, buf, len) < 0) {
6378                 os_free(buf);
6379                 return -1;
6380         }
6381
6382         ret = hs20_anqp_send_req(wpa_s, dst_addr,
6383                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6384                                  buf, len);
6385         os_free(buf);
6386
6387         return ret;
6388 }
6389
6390
6391 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
6392 {
6393         u8 dst_addr[ETH_ALEN];
6394         int used;
6395         char *icon;
6396
6397         used = hwaddr_aton2(cmd, dst_addr);
6398         if (used < 0)
6399                 return -1;
6400
6401         while (cmd[used] == ' ')
6402                 used++;
6403         icon = &cmd[used];
6404
6405         wpa_s->fetch_osu_icon_in_progress = 0;
6406         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
6407                                   (u8 *) icon, os_strlen(icon));
6408 }
6409
6410 #endif /* CONFIG_HS20 */
6411
6412
6413 #ifdef CONFIG_AUTOSCAN
6414
6415 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
6416                                               char *cmd)
6417 {
6418         enum wpa_states state = wpa_s->wpa_state;
6419         char *new_params = NULL;
6420
6421         if (os_strlen(cmd) > 0) {
6422                 new_params = os_strdup(cmd);
6423                 if (new_params == NULL)
6424                         return -1;
6425         }
6426
6427         os_free(wpa_s->conf->autoscan);
6428         wpa_s->conf->autoscan = new_params;
6429
6430         if (wpa_s->conf->autoscan == NULL)
6431                 autoscan_deinit(wpa_s);
6432         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
6433                 autoscan_init(wpa_s, 1);
6434         else if (state == WPA_SCANNING)
6435                 wpa_supplicant_reinit_autoscan(wpa_s);
6436
6437         return 0;
6438 }
6439
6440 #endif /* CONFIG_AUTOSCAN */
6441
6442
6443 #ifdef CONFIG_WNM
6444
6445 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
6446 {
6447         int enter;
6448         int intval = 0;
6449         char *pos;
6450         int ret;
6451         struct wpabuf *tfs_req = NULL;
6452
6453         if (os_strncmp(cmd, "enter", 5) == 0)
6454                 enter = 1;
6455         else if (os_strncmp(cmd, "exit", 4) == 0)
6456                 enter = 0;
6457         else
6458                 return -1;
6459
6460         pos = os_strstr(cmd, " interval=");
6461         if (pos)
6462                 intval = atoi(pos + 10);
6463
6464         pos = os_strstr(cmd, " tfs_req=");
6465         if (pos) {
6466                 char *end;
6467                 size_t len;
6468                 pos += 9;
6469                 end = os_strchr(pos, ' ');
6470                 if (end)
6471                         len = end - pos;
6472                 else
6473                         len = os_strlen(pos);
6474                 if (len & 1)
6475                         return -1;
6476                 len /= 2;
6477                 tfs_req = wpabuf_alloc(len);
6478                 if (tfs_req == NULL)
6479                         return -1;
6480                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
6481                         wpabuf_free(tfs_req);
6482                         return -1;
6483                 }
6484         }
6485
6486         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
6487                                            WNM_SLEEP_MODE_EXIT, intval,
6488                                            tfs_req);
6489         wpabuf_free(tfs_req);
6490
6491         return ret;
6492 }
6493
6494
6495 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
6496 {
6497         int query_reason;
6498
6499         query_reason = atoi(cmd);
6500
6501         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
6502                    query_reason);
6503
6504         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
6505 }
6506
6507 #endif /* CONFIG_WNM */
6508
6509
6510 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
6511                                       size_t buflen)
6512 {
6513         struct wpa_signal_info si;
6514         int ret;
6515         char *pos, *end;
6516
6517         ret = wpa_drv_signal_poll(wpa_s, &si);
6518         if (ret)
6519                 return -1;
6520
6521         pos = buf;
6522         end = buf + buflen;
6523
6524         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
6525                           "NOISE=%d\nFREQUENCY=%u\n",
6526                           si.current_signal, si.current_txrate / 1000,
6527                           si.current_noise, si.frequency);
6528         if (os_snprintf_error(end - pos, ret))
6529                 return -1;
6530         pos += ret;
6531
6532         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
6533                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
6534                                   channel_width_to_string(si.chanwidth));
6535                 if (os_snprintf_error(end - pos, ret))
6536                         return -1;
6537                 pos += ret;
6538         }
6539
6540         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
6541                 ret = os_snprintf(pos, end - pos,
6542                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
6543                                   si.center_frq1, si.center_frq2);
6544                 if (os_snprintf_error(end - pos, ret))
6545                         return -1;
6546                 pos += ret;
6547         }
6548
6549         if (si.avg_signal) {
6550                 ret = os_snprintf(pos, end - pos,
6551                                   "AVG_RSSI=%d\n", si.avg_signal);
6552                 if (os_snprintf_error(end - pos, ret))
6553                         return -1;
6554                 pos += ret;
6555         }
6556
6557         if (si.avg_beacon_signal) {
6558                 ret = os_snprintf(pos, end - pos,
6559                                   "AVG_BEACON_RSSI=%d\n", si.avg_beacon_signal);
6560                 if (os_snprintf_error(end - pos, ret))
6561                         return -1;
6562                 pos += ret;
6563         }
6564
6565         return pos - buf;
6566 }
6567
6568
6569 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
6570                                       size_t buflen)
6571 {
6572         struct hostap_sta_driver_data sta;
6573         int ret;
6574
6575         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
6576         if (ret)
6577                 return -1;
6578
6579         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
6580                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
6581         if (os_snprintf_error(buflen, ret))
6582                 return -1;
6583         return ret;
6584 }
6585
6586
6587 #ifdef ANDROID
6588 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6589                                      char *buf, size_t buflen)
6590 {
6591         int ret;
6592
6593         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
6594         if (ret == 0) {
6595                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
6596                         struct p2p_data *p2p = wpa_s->global->p2p;
6597                         if (p2p) {
6598                                 char country[3];
6599                                 country[0] = cmd[8];
6600                                 country[1] = cmd[9];
6601                                 country[2] = 0x04;
6602                                 p2p_set_country(p2p, country);
6603                         }
6604                 }
6605                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
6606                 if (os_snprintf_error(buflen, ret))
6607                         ret = -1;
6608         }
6609         return ret;
6610 }
6611 #endif /* ANDROID */
6612
6613
6614 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6615                                      char *buf, size_t buflen)
6616 {
6617         int ret;
6618         char *pos;
6619         u8 *data = NULL;
6620         unsigned int vendor_id, subcmd;
6621         struct wpabuf *reply;
6622         size_t data_len = 0;
6623
6624         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
6625         vendor_id = strtoul(cmd, &pos, 16);
6626         if (!isblank(*pos))
6627                 return -EINVAL;
6628
6629         subcmd = strtoul(pos, &pos, 10);
6630
6631         if (*pos != '\0') {
6632                 if (!isblank(*pos++))
6633                         return -EINVAL;
6634                 data_len = os_strlen(pos);
6635         }
6636
6637         if (data_len) {
6638                 data_len /= 2;
6639                 data = os_malloc(data_len);
6640                 if (!data)
6641                         return -1;
6642
6643                 if (hexstr2bin(pos, data, data_len)) {
6644                         wpa_printf(MSG_DEBUG,
6645                                    "Vendor command: wrong parameter format");
6646                         os_free(data);
6647                         return -EINVAL;
6648                 }
6649         }
6650
6651         reply = wpabuf_alloc((buflen - 1) / 2);
6652         if (!reply) {
6653                 os_free(data);
6654                 return -1;
6655         }
6656
6657         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
6658                                  reply);
6659
6660         if (ret == 0)
6661                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
6662                                        wpabuf_len(reply));
6663
6664         wpabuf_free(reply);
6665         os_free(data);
6666
6667         return ret;
6668 }
6669
6670
6671 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
6672 {
6673 #ifdef CONFIG_P2P
6674         struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
6675                 wpa_s->global->p2p_init_wpa_s : wpa_s;
6676 #endif /* CONFIG_P2P */
6677
6678         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
6679
6680 #ifdef CONFIG_P2P
6681         wpas_p2p_cancel(p2p_wpa_s);
6682         p2p_ctrl_flush(p2p_wpa_s);
6683         wpas_p2p_group_remove(p2p_wpa_s, "*");
6684         wpas_p2p_service_flush(p2p_wpa_s);
6685         p2p_wpa_s->global->p2p_disabled = 0;
6686         p2p_wpa_s->global->p2p_per_sta_psk = 0;
6687         p2p_wpa_s->conf->num_sec_device_types = 0;
6688         p2p_wpa_s->p2p_disable_ip_addr_req = 0;
6689         os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
6690         p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
6691         p2p_wpa_s->global->pending_p2ps_group = 0;
6692 #endif /* CONFIG_P2P */
6693
6694 #ifdef CONFIG_WPS_TESTING
6695         wps_version_number = 0x20;
6696         wps_testing_dummy_cred = 0;
6697         wps_corrupt_pkhash = 0;
6698 #endif /* CONFIG_WPS_TESTING */
6699 #ifdef CONFIG_WPS
6700         wpa_s->wps_fragment_size = 0;
6701         wpas_wps_cancel(wpa_s);
6702         wps_registrar_flush(wpa_s->wps->registrar);
6703 #endif /* CONFIG_WPS */
6704         wpa_s->after_wps = 0;
6705         wpa_s->known_wps_freq = 0;
6706
6707 #ifdef CONFIG_TDLS
6708 #ifdef CONFIG_TDLS_TESTING
6709         extern unsigned int tdls_testing;
6710         tdls_testing = 0;
6711 #endif /* CONFIG_TDLS_TESTING */
6712         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
6713         wpa_tdls_enable(wpa_s->wpa, 1);
6714 #endif /* CONFIG_TDLS */
6715
6716         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
6717         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
6718
6719         wpa_s->no_keep_alive = 0;
6720         wpa_s->own_disconnect_req = 0;
6721
6722         os_free(wpa_s->disallow_aps_bssid);
6723         wpa_s->disallow_aps_bssid = NULL;
6724         wpa_s->disallow_aps_bssid_count = 0;
6725         os_free(wpa_s->disallow_aps_ssid);
6726         wpa_s->disallow_aps_ssid = NULL;
6727         wpa_s->disallow_aps_ssid_count = 0;
6728
6729         wpa_s->set_sta_uapsd = 0;
6730         wpa_s->sta_uapsd = 0;
6731
6732         wpa_drv_radio_disable(wpa_s, 0);
6733         wpa_blacklist_clear(wpa_s);
6734         wpa_s->extra_blacklist_count = 0;
6735         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
6736         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
6737         wpa_config_flush_blobs(wpa_s->conf);
6738         wpa_s->conf->auto_interworking = 0;
6739         wpa_s->conf->okc = 0;
6740
6741         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
6742         rsn_preauth_deinit(wpa_s->wpa);
6743
6744         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
6745         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
6746         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
6747         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
6748
6749         radio_remove_works(wpa_s, NULL, 1);
6750         wpa_s->ext_work_in_progress = 0;
6751
6752         wpa_s->next_ssid = NULL;
6753
6754 #ifdef CONFIG_INTERWORKING
6755         hs20_cancel_fetch_osu(wpa_s);
6756 #endif /* CONFIG_INTERWORKING */
6757
6758         wpa_s->ext_mgmt_frame_handling = 0;
6759         wpa_s->ext_eapol_frame_io = 0;
6760 #ifdef CONFIG_TESTING_OPTIONS
6761         wpa_s->extra_roc_dur = 0;
6762         wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
6763 #endif /* CONFIG_TESTING_OPTIONS */
6764
6765         wpa_s->disconnected = 0;
6766         os_free(wpa_s->next_scan_freqs);
6767         wpa_s->next_scan_freqs = NULL;
6768
6769         wpa_bss_flush(wpa_s);
6770         if (!dl_list_empty(&wpa_s->bss)) {
6771                 wpa_printf(MSG_DEBUG,
6772                            "BSS table not empty after flush: %u entries, current_bss=%p bssid="
6773                            MACSTR " pending_bssid=" MACSTR,
6774                            dl_list_len(&wpa_s->bss), wpa_s->current_bss,
6775                            MAC2STR(wpa_s->bssid),
6776                            MAC2STR(wpa_s->pending_bssid));
6777         }
6778
6779         eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
6780 }
6781
6782
6783 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
6784                                      char *buf, size_t buflen)
6785 {
6786         struct wpa_radio_work *work;
6787         char *pos, *end;
6788         struct os_reltime now, diff;
6789
6790         pos = buf;
6791         end = buf + buflen;
6792
6793         os_get_reltime(&now);
6794
6795         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6796         {
6797                 int ret;
6798
6799                 os_reltime_sub(&now, &work->time, &diff);
6800                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
6801                                   work->type, work->wpa_s->ifname, work->freq,
6802                                   work->started, diff.sec, diff.usec);
6803                 if (os_snprintf_error(end - pos, ret))
6804                         break;
6805                 pos += ret;
6806         }
6807
6808         return pos - buf;
6809 }
6810
6811
6812 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
6813 {
6814         struct wpa_radio_work *work = eloop_ctx;
6815         struct wpa_external_work *ework = work->ctx;
6816
6817         wpa_dbg(work->wpa_s, MSG_DEBUG,
6818                 "Timing out external radio work %u (%s)",
6819                 ework->id, work->type);
6820         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
6821         work->wpa_s->ext_work_in_progress = 0;
6822         radio_work_done(work);
6823         os_free(ework);
6824 }
6825
6826
6827 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
6828 {
6829         struct wpa_external_work *ework = work->ctx;
6830
6831         if (deinit) {
6832                 if (work->started)
6833                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6834                                              work, NULL);
6835
6836                 os_free(ework);
6837                 return;
6838         }
6839
6840         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
6841                 ework->id, ework->type);
6842         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
6843         work->wpa_s->ext_work_in_progress = 1;
6844         if (!ework->timeout)
6845                 ework->timeout = 10;
6846         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
6847                                work, NULL);
6848 }
6849
6850
6851 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
6852                                     char *buf, size_t buflen)
6853 {
6854         struct wpa_external_work *ework;
6855         char *pos, *pos2;
6856         size_t type_len;
6857         int ret;
6858         unsigned int freq = 0;
6859
6860         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
6861
6862         ework = os_zalloc(sizeof(*ework));
6863         if (ework == NULL)
6864                 return -1;
6865
6866         pos = os_strchr(cmd, ' ');
6867         if (pos) {
6868                 type_len = pos - cmd;
6869                 pos++;
6870
6871                 pos2 = os_strstr(pos, "freq=");
6872                 if (pos2)
6873                         freq = atoi(pos2 + 5);
6874
6875                 pos2 = os_strstr(pos, "timeout=");
6876                 if (pos2)
6877                         ework->timeout = atoi(pos2 + 8);
6878         } else {
6879                 type_len = os_strlen(cmd);
6880         }
6881         if (4 + type_len >= sizeof(ework->type))
6882                 type_len = sizeof(ework->type) - 4 - 1;
6883         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
6884         os_memcpy(ework->type + 4, cmd, type_len);
6885         ework->type[4 + type_len] = '\0';
6886
6887         wpa_s->ext_work_id++;
6888         if (wpa_s->ext_work_id == 0)
6889                 wpa_s->ext_work_id++;
6890         ework->id = wpa_s->ext_work_id;
6891
6892         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
6893                            ework) < 0) {
6894                 os_free(ework);
6895                 return -1;
6896         }
6897
6898         ret = os_snprintf(buf, buflen, "%u", ework->id);
6899         if (os_snprintf_error(buflen, ret))
6900                 return -1;
6901         return ret;
6902 }
6903
6904
6905 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
6906 {
6907         struct wpa_radio_work *work;
6908         unsigned int id = atoi(cmd);
6909
6910         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6911         {
6912                 struct wpa_external_work *ework;
6913
6914                 if (os_strncmp(work->type, "ext:", 4) != 0)
6915                         continue;
6916                 ework = work->ctx;
6917                 if (id && ework->id != id)
6918                         continue;
6919                 wpa_dbg(wpa_s, MSG_DEBUG,
6920                         "Completed external radio work %u (%s)",
6921                         ework->id, ework->type);
6922                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
6923                 wpa_s->ext_work_in_progress = 0;
6924                 radio_work_done(work);
6925                 os_free(ework);
6926                 return 3; /* "OK\n" */
6927         }
6928
6929         return -1;
6930 }
6931
6932
6933 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
6934                                 char *buf, size_t buflen)
6935 {
6936         if (os_strcmp(cmd, "show") == 0)
6937                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
6938         if (os_strncmp(cmd, "add ", 4) == 0)
6939                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
6940         if (os_strncmp(cmd, "done ", 5) == 0)
6941                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
6942         return -1;
6943 }
6944
6945
6946 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
6947 {
6948         struct wpa_radio_work *work, *tmp;
6949
6950         if (!wpa_s || !wpa_s->radio)
6951                 return;
6952
6953         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
6954                               struct wpa_radio_work, list) {
6955                 struct wpa_external_work *ework;
6956
6957                 if (os_strncmp(work->type, "ext:", 4) != 0)
6958                         continue;
6959                 ework = work->ctx;
6960                 wpa_dbg(wpa_s, MSG_DEBUG,
6961                         "Flushing%s external radio work %u (%s)",
6962                         work->started ? " started" : "", ework->id,
6963                         ework->type);
6964                 if (work->started)
6965                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6966                                              work, NULL);
6967                 radio_work_done(work);
6968                 os_free(ework);
6969         }
6970 }
6971
6972
6973 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
6974 {
6975         struct wpa_supplicant *wpa_s = eloop_ctx;
6976         eapol_sm_notify_ctrl_response(wpa_s->eapol);
6977 }
6978
6979
6980 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
6981                               unsigned int *scan_id_count, int scan_id[])
6982 {
6983         const char *pos = value;
6984
6985         while (pos) {
6986                 if (*pos == ' ' || *pos == '\0')
6987                         break;
6988                 if (*scan_id_count == MAX_SCAN_ID)
6989                         return -1;
6990                 scan_id[(*scan_id_count)++] = atoi(pos);
6991                 pos = os_strchr(pos, ',');
6992                 if (pos)
6993                         pos++;
6994         }
6995
6996         return 0;
6997 }
6998
6999
7000 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
7001                            char *reply, int reply_size, int *reply_len)
7002 {
7003         char *pos;
7004         unsigned int manual_scan_passive = 0;
7005         unsigned int manual_scan_use_id = 0;
7006         unsigned int manual_scan_only_new = 0;
7007         unsigned int scan_only = 0;
7008         unsigned int scan_id_count = 0;
7009         int scan_id[MAX_SCAN_ID];
7010         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
7011                                  struct wpa_scan_results *scan_res);
7012         int *manual_scan_freqs = NULL;
7013         struct wpa_ssid_value *ssid = NULL, *ns;
7014         unsigned int ssid_count = 0;
7015
7016         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
7017                 *reply_len = -1;
7018                 return;
7019         }
7020
7021         if (radio_work_pending(wpa_s, "scan")) {
7022                 wpa_printf(MSG_DEBUG,
7023                            "Pending scan scheduled - reject new request");
7024                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7025                 return;
7026         }
7027
7028 #ifdef CONFIG_INTERWORKING
7029         if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) {
7030                 wpa_printf(MSG_DEBUG,
7031                            "Interworking select in progress - reject new scan");
7032                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7033                 return;
7034         }
7035 #endif /* CONFIG_INTERWORKING */
7036
7037         if (params) {
7038                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
7039                         scan_only = 1;
7040
7041                 pos = os_strstr(params, "freq=");
7042                 if (pos) {
7043                         manual_scan_freqs = freq_range_to_channel_list(wpa_s,
7044                                                                        pos + 5);
7045                         if (manual_scan_freqs == NULL) {
7046                                 *reply_len = -1;
7047                                 goto done;
7048                         }
7049                 }
7050
7051                 pos = os_strstr(params, "passive=");
7052                 if (pos)
7053                         manual_scan_passive = !!atoi(pos + 8);
7054
7055                 pos = os_strstr(params, "use_id=");
7056                 if (pos)
7057                         manual_scan_use_id = atoi(pos + 7);
7058
7059                 pos = os_strstr(params, "only_new=1");
7060                 if (pos)
7061                         manual_scan_only_new = 1;
7062
7063                 pos = os_strstr(params, "scan_id=");
7064                 if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
7065                                               scan_id) < 0) {
7066                         *reply_len = -1;
7067                         goto done;
7068                 }
7069
7070                 pos = params;
7071                 while (pos && *pos != '\0') {
7072                         if (os_strncmp(pos, "ssid ", 5) == 0) {
7073                                 char *end;
7074
7075                                 pos += 5;
7076                                 end = pos;
7077                                 while (*end) {
7078                                         if (*end == '\0' || *end == ' ')
7079                                                 break;
7080                                         end++;
7081                                 }
7082
7083                                 ns = os_realloc_array(
7084                                         ssid, ssid_count + 1,
7085                                         sizeof(struct wpa_ssid_value));
7086                                 if (ns == NULL) {
7087                                         *reply_len = -1;
7088                                         goto done;
7089                                 }
7090                                 ssid = ns;
7091
7092                                 if ((end - pos) & 0x01 ||
7093                                     end - pos > 2 * SSID_MAX_LEN ||
7094                                     hexstr2bin(pos, ssid[ssid_count].ssid,
7095                                                (end - pos) / 2) < 0) {
7096                                         wpa_printf(MSG_DEBUG,
7097                                                    "Invalid SSID value '%s'",
7098                                                    pos);
7099                                         *reply_len = -1;
7100                                         goto done;
7101                                 }
7102                                 ssid[ssid_count].ssid_len = (end - pos) / 2;
7103                                 wpa_hexdump_ascii(MSG_DEBUG, "scan SSID",
7104                                                   ssid[ssid_count].ssid,
7105                                                   ssid[ssid_count].ssid_len);
7106                                 ssid_count++;
7107                                 pos = end;
7108                         }
7109
7110                         pos = os_strchr(pos, ' ');
7111                         if (pos)
7112                                 pos++;
7113                 }
7114         }
7115
7116         wpa_s->num_ssids_from_scan_req = ssid_count;
7117         os_free(wpa_s->ssids_from_scan_req);
7118         if (ssid_count) {
7119                 wpa_s->ssids_from_scan_req = ssid;
7120                 ssid = NULL;
7121         } else {
7122                 wpa_s->ssids_from_scan_req = NULL;
7123         }
7124
7125         if (scan_only)
7126                 scan_res_handler = scan_only_handler;
7127         else if (wpa_s->scan_res_handler == scan_only_handler)
7128                 scan_res_handler = NULL;
7129         else
7130                 scan_res_handler = wpa_s->scan_res_handler;
7131
7132         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
7133             ((wpa_s->wpa_state <= WPA_SCANNING) ||
7134              (wpa_s->wpa_state == WPA_COMPLETED))) {
7135                 wpa_s->manual_scan_passive = manual_scan_passive;
7136                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7137                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7138                 wpa_s->scan_id_count = scan_id_count;
7139                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7140                 wpa_s->scan_res_handler = scan_res_handler;
7141                 os_free(wpa_s->manual_scan_freqs);
7142                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7143                 manual_scan_freqs = NULL;
7144
7145                 wpa_s->normal_scans = 0;
7146                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7147                 wpa_s->after_wps = 0;
7148                 wpa_s->known_wps_freq = 0;
7149                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7150                 if (wpa_s->manual_scan_use_id) {
7151                         wpa_s->manual_scan_id++;
7152                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7153                                 wpa_s->manual_scan_id);
7154                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7155                                                  wpa_s->manual_scan_id);
7156                 }
7157         } else if (wpa_s->sched_scanning) {
7158                 wpa_s->manual_scan_passive = manual_scan_passive;
7159                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7160                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7161                 wpa_s->scan_id_count = scan_id_count;
7162                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7163                 wpa_s->scan_res_handler = scan_res_handler;
7164                 os_free(wpa_s->manual_scan_freqs);
7165                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7166                 manual_scan_freqs = NULL;
7167
7168                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
7169                 wpa_supplicant_cancel_sched_scan(wpa_s);
7170                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7171                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7172                 if (wpa_s->manual_scan_use_id) {
7173                         wpa_s->manual_scan_id++;
7174                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7175                                                  wpa_s->manual_scan_id);
7176                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7177                                 wpa_s->manual_scan_id);
7178                 }
7179         } else {
7180                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
7181                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7182         }
7183
7184 done:
7185         os_free(manual_scan_freqs);
7186         os_free(ssid);
7187 }
7188
7189
7190 #ifdef CONFIG_TESTING_OPTIONS
7191
7192 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
7193                                        unsigned int freq, const u8 *dst,
7194                                        const u8 *src, const u8 *bssid,
7195                                        const u8 *data, size_t data_len,
7196                                        enum offchannel_send_action_result
7197                                        result)
7198 {
7199         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
7200                 " src=" MACSTR " bssid=" MACSTR " result=%s",
7201                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
7202                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
7203                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
7204                              "NO_ACK" : "FAILED"));
7205 }
7206
7207
7208 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
7209 {
7210         char *pos, *param;
7211         size_t len;
7212         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
7213         int res, used;
7214         int freq = 0, no_cck = 0, wait_time = 0;
7215
7216         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
7217          *    <action=Action frame payload> */
7218
7219         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
7220
7221         pos = cmd;
7222         used = hwaddr_aton2(pos, da);
7223         if (used < 0)
7224                 return -1;
7225         pos += used;
7226         while (*pos == ' ')
7227                 pos++;
7228         used = hwaddr_aton2(pos, bssid);
7229         if (used < 0)
7230                 return -1;
7231         pos += used;
7232
7233         param = os_strstr(pos, " freq=");
7234         if (param) {
7235                 param += 6;
7236                 freq = atoi(param);
7237         }
7238
7239         param = os_strstr(pos, " no_cck=");
7240         if (param) {
7241                 param += 8;
7242                 no_cck = atoi(param);
7243         }
7244
7245         param = os_strstr(pos, " wait_time=");
7246         if (param) {
7247                 param += 11;
7248                 wait_time = atoi(param);
7249         }
7250
7251         param = os_strstr(pos, " action=");
7252         if (param == NULL)
7253                 return -1;
7254         param += 8;
7255
7256         len = os_strlen(param);
7257         if (len & 1)
7258                 return -1;
7259         len /= 2;
7260
7261         buf = os_malloc(len);
7262         if (buf == NULL)
7263                 return -1;
7264
7265         if (hexstr2bin(param, buf, len) < 0) {
7266                 os_free(buf);
7267                 return -1;
7268         }
7269
7270         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
7271                                      buf, len, wait_time,
7272                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
7273         os_free(buf);
7274         return res;
7275 }
7276
7277
7278 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
7279 {
7280         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
7281         offchannel_send_action_done(wpa_s);
7282 }
7283
7284
7285 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
7286 {
7287         char *pos, *param;
7288         union wpa_event_data event;
7289         enum wpa_event_type ev;
7290
7291         /* <event name> [parameters..] */
7292
7293         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
7294
7295         pos = cmd;
7296         param = os_strchr(pos, ' ');
7297         if (param)
7298                 *param++ = '\0';
7299
7300         os_memset(&event, 0, sizeof(event));
7301
7302         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
7303                 ev = EVENT_INTERFACE_ENABLED;
7304         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
7305                 ev = EVENT_INTERFACE_DISABLED;
7306         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
7307                 ev = EVENT_AVOID_FREQUENCIES;
7308                 if (param == NULL)
7309                         param = "";
7310                 if (freq_range_list_parse(&event.freq_range, param) < 0)
7311                         return -1;
7312                 wpa_supplicant_event(wpa_s, ev, &event);
7313                 os_free(event.freq_range.range);
7314                 return 0;
7315         } else {
7316                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
7317                         cmd);
7318                 return -1;
7319         }
7320
7321         wpa_supplicant_event(wpa_s, ev, &event);
7322
7323         return 0;
7324 }
7325
7326
7327 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
7328 {
7329         char *pos;
7330         u8 src[ETH_ALEN], *buf;
7331         int used;
7332         size_t len;
7333
7334         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
7335
7336         pos = cmd;
7337         used = hwaddr_aton2(pos, src);
7338         if (used < 0)
7339                 return -1;
7340         pos += used;
7341         while (*pos == ' ')
7342                 pos++;
7343
7344         len = os_strlen(pos);
7345         if (len & 1)
7346                 return -1;
7347         len /= 2;
7348
7349         buf = os_malloc(len);
7350         if (buf == NULL)
7351                 return -1;
7352
7353         if (hexstr2bin(pos, buf, len) < 0) {
7354                 os_free(buf);
7355                 return -1;
7356         }
7357
7358         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
7359         os_free(buf);
7360
7361         return 0;
7362 }
7363
7364
7365 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
7366 {
7367         size_t i;
7368         u32 sum = 0;
7369         const u16 *pos = buf;
7370
7371         for (i = 0; i < len / 2; i++)
7372                 sum += *pos++;
7373
7374         while (sum >> 16)
7375                 sum = (sum & 0xffff) + (sum >> 16);
7376
7377         return sum ^ 0xffff;
7378 }
7379
7380
7381 #define HWSIM_PACKETLEN 1500
7382 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
7383
7384 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
7385 {
7386         struct wpa_supplicant *wpa_s = ctx;
7387         const struct ether_header *eth;
7388         struct iphdr ip;
7389         const u8 *pos;
7390         unsigned int i;
7391
7392         if (len != HWSIM_PACKETLEN)
7393                 return;
7394
7395         eth = (const struct ether_header *) buf;
7396         os_memcpy(&ip, eth + 1, sizeof(ip));
7397         pos = &buf[sizeof(*eth) + sizeof(ip)];
7398
7399         if (ip.ihl != 5 || ip.version != 4 ||
7400             ntohs(ip.tot_len) != HWSIM_IP_LEN)
7401                 return;
7402
7403         for (i = 0; i < HWSIM_IP_LEN - sizeof(ip); i++) {
7404                 if (*pos != (u8) i)
7405                         return;
7406                 pos++;
7407         }
7408
7409         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
7410                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
7411 }
7412
7413
7414 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
7415                                             char *cmd)
7416 {
7417         int enabled = atoi(cmd);
7418
7419         if (!enabled) {
7420                 if (wpa_s->l2_test) {
7421                         l2_packet_deinit(wpa_s->l2_test);
7422                         wpa_s->l2_test = NULL;
7423                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
7424                 }
7425                 return 0;
7426         }
7427
7428         if (wpa_s->l2_test)
7429                 return 0;
7430
7431         wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
7432                                         ETHERTYPE_IP, wpas_data_test_rx,
7433                                         wpa_s, 1);
7434         if (wpa_s->l2_test == NULL)
7435                 return -1;
7436
7437         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
7438
7439         return 0;
7440 }
7441
7442
7443 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
7444 {
7445         u8 dst[ETH_ALEN], src[ETH_ALEN];
7446         char *pos;
7447         int used;
7448         long int val;
7449         u8 tos;
7450         u8 buf[2 + HWSIM_PACKETLEN];
7451         struct ether_header *eth;
7452         struct iphdr *ip;
7453         u8 *dpos;
7454         unsigned int i;
7455
7456         if (wpa_s->l2_test == NULL)
7457                 return -1;
7458
7459         /* format: <dst> <src> <tos> */
7460
7461         pos = cmd;
7462         used = hwaddr_aton2(pos, dst);
7463         if (used < 0)
7464                 return -1;
7465         pos += used;
7466         while (*pos == ' ')
7467                 pos++;
7468         used = hwaddr_aton2(pos, src);
7469         if (used < 0)
7470                 return -1;
7471         pos += used;
7472
7473         val = strtol(pos, NULL, 0);
7474         if (val < 0 || val > 0xff)
7475                 return -1;
7476         tos = val;
7477
7478         eth = (struct ether_header *) &buf[2];
7479         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
7480         os_memcpy(eth->ether_shost, src, ETH_ALEN);
7481         eth->ether_type = htons(ETHERTYPE_IP);
7482         ip = (struct iphdr *) (eth + 1);
7483         os_memset(ip, 0, sizeof(*ip));
7484         ip->ihl = 5;
7485         ip->version = 4;
7486         ip->ttl = 64;
7487         ip->tos = tos;
7488         ip->tot_len = htons(HWSIM_IP_LEN);
7489         ip->protocol = 1;
7490         ip->saddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 1);
7491         ip->daddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 2);
7492         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
7493         dpos = (u8 *) (ip + 1);
7494         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
7495                 *dpos++ = i;
7496
7497         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, &buf[2],
7498                            HWSIM_PACKETLEN) < 0)
7499                 return -1;
7500
7501         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
7502                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
7503
7504         return 0;
7505 }
7506
7507
7508 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
7509                                            char *cmd)
7510 {
7511         u8 *buf;
7512         struct ether_header *eth;
7513         struct l2_packet_data *l2 = NULL;
7514         size_t len;
7515         u16 ethertype;
7516         int res = -1;
7517
7518         len = os_strlen(cmd);
7519         if (len & 1 || len < ETH_HLEN * 2)
7520                 return -1;
7521         len /= 2;
7522
7523         buf = os_malloc(len);
7524         if (buf == NULL)
7525                 return -1;
7526
7527         if (hexstr2bin(cmd, buf, len) < 0)
7528                 goto done;
7529
7530         eth = (struct ether_header *) buf;
7531         ethertype = ntohs(eth->ether_type);
7532
7533         l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
7534                             wpas_data_test_rx, wpa_s, 1);
7535         if (l2 == NULL)
7536                 goto done;
7537
7538         res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
7539         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
7540 done:
7541         if (l2)
7542                 l2_packet_deinit(l2);
7543         os_free(buf);
7544
7545         return res < 0 ? -1 : 0;
7546 }
7547
7548
7549 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
7550 {
7551 #ifdef WPA_TRACE_BFD
7552         extern char wpa_trace_fail_func[256];
7553         extern unsigned int wpa_trace_fail_after;
7554         char *pos;
7555
7556         wpa_trace_fail_after = atoi(cmd);
7557         pos = os_strchr(cmd, ':');
7558         if (pos) {
7559                 pos++;
7560                 os_strlcpy(wpa_trace_fail_func, pos,
7561                            sizeof(wpa_trace_fail_func));
7562         } else {
7563                 wpa_trace_fail_after = 0;
7564         }
7565         return 0;
7566 #else /* WPA_TRACE_BFD */
7567         return -1;
7568 #endif /* WPA_TRACE_BFD */
7569 }
7570
7571
7572 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
7573                                     char *buf, size_t buflen)
7574 {
7575 #ifdef WPA_TRACE_BFD
7576         extern char wpa_trace_fail_func[256];
7577         extern unsigned int wpa_trace_fail_after;
7578
7579         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
7580                            wpa_trace_fail_func);
7581 #else /* WPA_TRACE_BFD */
7582         return -1;
7583 #endif /* WPA_TRACE_BFD */
7584 }
7585
7586
7587 static int wpas_ctrl_test_fail(struct wpa_supplicant *wpa_s, char *cmd)
7588 {
7589 #ifdef WPA_TRACE_BFD
7590         extern char wpa_trace_test_fail_func[256];
7591         extern unsigned int wpa_trace_test_fail_after;
7592         char *pos;
7593
7594         wpa_trace_test_fail_after = atoi(cmd);
7595         pos = os_strchr(cmd, ':');
7596         if (pos) {
7597                 pos++;
7598                 os_strlcpy(wpa_trace_test_fail_func, pos,
7599                            sizeof(wpa_trace_test_fail_func));
7600         } else {
7601                 wpa_trace_test_fail_after = 0;
7602         }
7603         return 0;
7604 #else /* WPA_TRACE_BFD */
7605         return -1;
7606 #endif /* WPA_TRACE_BFD */
7607 }
7608
7609
7610 static int wpas_ctrl_get_fail(struct wpa_supplicant *wpa_s,
7611                                     char *buf, size_t buflen)
7612 {
7613 #ifdef WPA_TRACE_BFD
7614         extern char wpa_trace_test_fail_func[256];
7615         extern unsigned int wpa_trace_test_fail_after;
7616
7617         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_test_fail_after,
7618                            wpa_trace_test_fail_func);
7619 #else /* WPA_TRACE_BFD */
7620         return -1;
7621 #endif /* WPA_TRACE_BFD */
7622 }
7623
7624 #endif /* CONFIG_TESTING_OPTIONS */
7625
7626
7627 static void wpas_ctrl_vendor_elem_update(struct wpa_supplicant *wpa_s)
7628 {
7629         unsigned int i;
7630         char buf[30];
7631
7632         wpa_printf(MSG_DEBUG, "Update vendor elements");
7633
7634         for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
7635                 if (wpa_s->vendor_elem[i]) {
7636                         int res;
7637
7638                         res = os_snprintf(buf, sizeof(buf), "frame[%u]", i);
7639                         if (!os_snprintf_error(sizeof(buf), res)) {
7640                                 wpa_hexdump_buf(MSG_DEBUG, buf,
7641                                                 wpa_s->vendor_elem[i]);
7642                         }
7643                 }
7644         }
7645
7646 #ifdef CONFIG_P2P
7647         if (wpa_s->parent == wpa_s &&
7648             wpa_s->global->p2p &&
7649             !wpa_s->global->p2p_disabled)
7650                 p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem);
7651 #endif /* CONFIG_P2P */
7652 }
7653
7654
7655 static struct wpa_supplicant *
7656 wpas_ctrl_vendor_elem_iface(struct wpa_supplicant *wpa_s,
7657                             enum wpa_vendor_elem_frame frame)
7658 {
7659         switch (frame) {
7660 #ifdef CONFIG_P2P
7661         case VENDOR_ELEM_PROBE_REQ_P2P:
7662         case VENDOR_ELEM_PROBE_RESP_P2P:
7663         case VENDOR_ELEM_PROBE_RESP_P2P_GO:
7664         case VENDOR_ELEM_BEACON_P2P_GO:
7665         case VENDOR_ELEM_P2P_PD_REQ:
7666         case VENDOR_ELEM_P2P_PD_RESP:
7667         case VENDOR_ELEM_P2P_GO_NEG_REQ:
7668         case VENDOR_ELEM_P2P_GO_NEG_RESP:
7669         case VENDOR_ELEM_P2P_GO_NEG_CONF:
7670         case VENDOR_ELEM_P2P_INV_REQ:
7671         case VENDOR_ELEM_P2P_INV_RESP:
7672         case VENDOR_ELEM_P2P_ASSOC_REQ:
7673                 return wpa_s->parent;
7674 #endif /* CONFIG_P2P */
7675         default:
7676                 return wpa_s;
7677         }
7678 }
7679
7680
7681 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
7682 {
7683         char *pos = cmd;
7684         int frame;
7685         size_t len;
7686         struct wpabuf *buf;
7687         struct ieee802_11_elems elems;
7688
7689         frame = atoi(pos);
7690         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7691                 return -1;
7692         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7693
7694         pos = os_strchr(pos, ' ');
7695         if (pos == NULL)
7696                 return -1;
7697         pos++;
7698
7699         len = os_strlen(pos);
7700         if (len == 0)
7701                 return 0;
7702         if (len & 1)
7703                 return -1;
7704         len /= 2;
7705
7706         buf = wpabuf_alloc(len);
7707         if (buf == NULL)
7708                 return -1;
7709
7710         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
7711                 wpabuf_free(buf);
7712                 return -1;
7713         }
7714
7715         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
7716             ParseFailed) {
7717                 wpabuf_free(buf);
7718                 return -1;
7719         }
7720
7721         if (wpa_s->vendor_elem[frame] == NULL) {
7722                 wpa_s->vendor_elem[frame] = buf;
7723                 wpas_ctrl_vendor_elem_update(wpa_s);
7724                 return 0;
7725         }
7726
7727         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
7728                 wpabuf_free(buf);
7729                 return -1;
7730         }
7731
7732         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
7733         wpabuf_free(buf);
7734         wpas_ctrl_vendor_elem_update(wpa_s);
7735
7736         return 0;
7737 }
7738
7739
7740 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
7741                                      char *buf, size_t buflen)
7742 {
7743         int frame = atoi(cmd);
7744
7745         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7746                 return -1;
7747         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7748
7749         if (wpa_s->vendor_elem[frame] == NULL)
7750                 return 0;
7751
7752         return wpa_snprintf_hex(buf, buflen,
7753                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
7754                                 wpabuf_len(wpa_s->vendor_elem[frame]));
7755 }
7756
7757
7758 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
7759 {
7760         char *pos = cmd;
7761         int frame;
7762         size_t len;
7763         u8 *buf;
7764         struct ieee802_11_elems elems;
7765         u8 *ie, *end;
7766
7767         frame = atoi(pos);
7768         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7769                 return -1;
7770         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7771
7772         pos = os_strchr(pos, ' ');
7773         if (pos == NULL)
7774                 return -1;
7775         pos++;
7776
7777         if (*pos == '*') {
7778                 wpabuf_free(wpa_s->vendor_elem[frame]);
7779                 wpa_s->vendor_elem[frame] = NULL;
7780                 wpas_ctrl_vendor_elem_update(wpa_s);
7781                 return 0;
7782         }
7783
7784         if (wpa_s->vendor_elem[frame] == NULL)
7785                 return -1;
7786
7787         len = os_strlen(pos);
7788         if (len == 0)
7789                 return 0;
7790         if (len & 1)
7791                 return -1;
7792         len /= 2;
7793
7794         buf = os_malloc(len);
7795         if (buf == NULL)
7796                 return -1;
7797
7798         if (hexstr2bin(pos, buf, len) < 0) {
7799                 os_free(buf);
7800                 return -1;
7801         }
7802
7803         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
7804                 os_free(buf);
7805                 return -1;
7806         }
7807
7808         ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]);
7809         end = ie + wpabuf_len(wpa_s->vendor_elem[frame]);
7810
7811         for (; ie + 1 < end; ie += 2 + ie[1]) {
7812                 if (ie + len > end)
7813                         break;
7814                 if (os_memcmp(ie, buf, len) != 0)
7815                         continue;
7816
7817                 if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) {
7818                         wpabuf_free(wpa_s->vendor_elem[frame]);
7819                         wpa_s->vendor_elem[frame] = NULL;
7820                 } else {
7821                         os_memmove(ie, ie + len,
7822                                    end - (ie + len));
7823                         wpa_s->vendor_elem[frame]->used -= len;
7824                 }
7825                 os_free(buf);
7826                 wpas_ctrl_vendor_elem_update(wpa_s);
7827                 return 0;
7828         }
7829
7830         os_free(buf);
7831
7832         return -1;
7833 }
7834
7835
7836 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
7837 {
7838         struct wpa_supplicant *wpa_s = ctx;
7839
7840         if (neighbor_rep) {
7841                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
7842                              "length=%u",
7843                              (unsigned int) wpabuf_len(neighbor_rep));
7844                 wpabuf_free(neighbor_rep);
7845         } else {
7846                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
7847         }
7848 }
7849
7850
7851 static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s,
7852                                             char *cmd)
7853 {
7854         struct wpa_ssid ssid;
7855         struct wpa_ssid *ssid_p = NULL;
7856         int ret = 0;
7857
7858         if (os_strncmp(cmd, " ssid=", 6) == 0) {
7859                 ssid.ssid_len = os_strlen(cmd + 6);
7860                 if (ssid.ssid_len > SSID_MAX_LEN)
7861                         return -1;
7862                 ssid.ssid = (u8 *) (cmd + 6);
7863                 ssid_p = &ssid;
7864         }
7865
7866         ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p,
7867                                                  wpas_ctrl_neighbor_rep_cb,
7868                                                  wpa_s);
7869
7870         return ret;
7871 }
7872
7873
7874 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
7875 {
7876         eapol_sm_erp_flush(wpa_s->eapol);
7877         return 0;
7878 }
7879
7880
7881 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
7882                                          char *cmd)
7883 {
7884         char *token, *context = NULL;
7885         unsigned int enable = ~0, type = 0;
7886         u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
7887         u8 *addr = NULL, *mask = NULL;
7888
7889         while ((token = str_token(cmd, " ", &context))) {
7890                 if (os_strcasecmp(token, "scan") == 0) {
7891                         type |= MAC_ADDR_RAND_SCAN;
7892                 } else if (os_strcasecmp(token, "sched") == 0) {
7893                         type |= MAC_ADDR_RAND_SCHED_SCAN;
7894                 } else if (os_strcasecmp(token, "pno") == 0) {
7895                         type |= MAC_ADDR_RAND_PNO;
7896                 } else if (os_strcasecmp(token, "all") == 0) {
7897                         type = wpa_s->mac_addr_rand_supported;
7898                 } else if (os_strncasecmp(token, "enable=", 7) == 0) {
7899                         enable = atoi(token + 7);
7900                 } else if (os_strncasecmp(token, "addr=", 5) == 0) {
7901                         addr = _addr;
7902                         if (hwaddr_aton(token + 5, addr)) {
7903                                 wpa_printf(MSG_INFO,
7904                                            "CTRL: Invalid MAC address: %s",
7905                                            token);
7906                                 return -1;
7907                         }
7908                 } else if (os_strncasecmp(token, "mask=", 5) == 0) {
7909                         mask = _mask;
7910                         if (hwaddr_aton(token + 5, mask)) {
7911                                 wpa_printf(MSG_INFO,
7912                                            "CTRL: Invalid MAC address mask: %s",
7913                                            token);
7914                                 return -1;
7915                         }
7916                 } else {
7917                         wpa_printf(MSG_INFO,
7918                                    "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
7919                                    token);
7920                         return -1;
7921                 }
7922         }
7923
7924         if (!type) {
7925                 wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
7926                 return -1;
7927         }
7928
7929         if ((wpa_s->mac_addr_rand_supported & type) != type) {
7930                 wpa_printf(MSG_INFO,
7931                            "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
7932                            type, wpa_s->mac_addr_rand_supported);
7933                 return -1;
7934         }
7935
7936         if (enable > 1) {
7937                 wpa_printf(MSG_INFO,
7938                            "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
7939                 return -1;
7940         }
7941
7942         if (!enable) {
7943                 wpas_mac_addr_rand_scan_clear(wpa_s, type);
7944                 if (wpa_s->pno) {
7945                         if (type & MAC_ADDR_RAND_PNO) {
7946                                 wpas_stop_pno(wpa_s);
7947                                 wpas_start_pno(wpa_s);
7948                         }
7949                 } else if (wpa_s->sched_scanning &&
7950                            (type & MAC_ADDR_RAND_SCHED_SCAN)) {
7951                         /* simulate timeout to restart the sched scan */
7952                         wpa_s->sched_scan_timed_out = 1;
7953                         wpa_s->prev_sched_ssid = NULL;
7954                         wpa_supplicant_cancel_sched_scan(wpa_s);
7955                 }
7956                 return 0;
7957         }
7958
7959         if ((addr && !mask) || (!addr && mask)) {
7960                 wpa_printf(MSG_INFO,
7961                            "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
7962                 return -1;
7963         }
7964
7965         if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
7966                 wpa_printf(MSG_INFO,
7967                            "CTRL: MAC_RAND_SCAN cannot allow multicast address");
7968                 return -1;
7969         }
7970
7971         if (type & MAC_ADDR_RAND_SCAN) {
7972                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
7973                                             addr, mask);
7974         }
7975
7976         if (type & MAC_ADDR_RAND_SCHED_SCAN) {
7977                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
7978                                             addr, mask);
7979
7980                 if (wpa_s->sched_scanning && !wpa_s->pno) {
7981                         /* simulate timeout to restart the sched scan */
7982                         wpa_s->sched_scan_timed_out = 1;
7983                         wpa_s->prev_sched_ssid = NULL;
7984                         wpa_supplicant_cancel_sched_scan(wpa_s);
7985                 }
7986         }
7987
7988         if (type & MAC_ADDR_RAND_PNO) {
7989                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
7990                                             addr, mask);
7991                 if (wpa_s->pno) {
7992                         wpas_stop_pno(wpa_s);
7993                         wpas_start_pno(wpa_s);
7994                 }
7995         }
7996
7997         return 0;
7998 }
7999
8000
8001 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
8002                                          char *buf, size_t *resp_len)
8003 {
8004         char *reply;
8005         const int reply_size = 4096;
8006         int reply_len;
8007
8008         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
8009             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8010                 if (wpa_debug_show_keys)
8011                         wpa_dbg(wpa_s, MSG_DEBUG,
8012                                 "Control interface command '%s'", buf);
8013                 else
8014                         wpa_dbg(wpa_s, MSG_DEBUG,
8015                                 "Control interface command '%s [REMOVED]'",
8016                                 os_strncmp(buf, WPA_CTRL_RSP,
8017                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
8018                                 WPA_CTRL_RSP : "SET_NETWORK");
8019         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
8020                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
8021                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
8022                                       (const u8 *) buf, os_strlen(buf));
8023         } else {
8024                 int level = MSG_DEBUG;
8025                 if (os_strcmp(buf, "PING") == 0)
8026                         level = MSG_EXCESSIVE;
8027                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
8028         }
8029
8030         reply = os_malloc(reply_size);
8031         if (reply == NULL) {
8032                 *resp_len = 1;
8033                 return NULL;
8034         }
8035
8036         os_memcpy(reply, "OK\n", 3);
8037         reply_len = 3;
8038
8039         if (os_strcmp(buf, "PING") == 0) {
8040                 os_memcpy(reply, "PONG\n", 5);
8041                 reply_len = 5;
8042         } else if (os_strcmp(buf, "IFNAME") == 0) {
8043                 reply_len = os_strlen(wpa_s->ifname);
8044                 os_memcpy(reply, wpa_s->ifname, reply_len);
8045         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
8046                 if (wpa_debug_reopen_file() < 0)
8047                         reply_len = -1;
8048         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
8049                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
8050         } else if (os_strcmp(buf, "MIB") == 0) {
8051                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
8052                 if (reply_len >= 0) {
8053                         reply_len += eapol_sm_get_mib(wpa_s->eapol,
8054                                                       reply + reply_len,
8055                                                       reply_size - reply_len);
8056                 }
8057         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
8058                 reply_len = wpa_supplicant_ctrl_iface_status(
8059                         wpa_s, buf + 6, reply, reply_size);
8060         } else if (os_strcmp(buf, "PMKSA") == 0) {
8061                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
8062                                                     reply_size);
8063         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
8064                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
8065         } else if (os_strncmp(buf, "SET ", 4) == 0) {
8066                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
8067                         reply_len = -1;
8068         } else if (os_strncmp(buf, "DUMP", 4) == 0) {
8069                 reply_len = wpa_config_dump_values(wpa_s->conf,
8070                                                    reply, reply_size);
8071         } else if (os_strncmp(buf, "GET ", 4) == 0) {
8072                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
8073                                                           reply, reply_size);
8074         } else if (os_strcmp(buf, "LOGON") == 0) {
8075                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
8076         } else if (os_strcmp(buf, "LOGOFF") == 0) {
8077                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
8078         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
8079                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8080                         reply_len = -1;
8081                 else
8082                         wpas_request_connection(wpa_s);
8083         } else if (os_strcmp(buf, "REATTACH") == 0) {
8084                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
8085                     !wpa_s->current_ssid)
8086                         reply_len = -1;
8087                 else {
8088                         wpa_s->reattach = 1;
8089                         wpas_request_connection(wpa_s);
8090                 }
8091         } else if (os_strcmp(buf, "RECONNECT") == 0) {
8092                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8093                         reply_len = -1;
8094                 else if (wpa_s->disconnected)
8095                         wpas_request_connection(wpa_s);
8096 #ifdef IEEE8021X_EAPOL
8097         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
8098                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
8099                         reply_len = -1;
8100 #endif /* IEEE8021X_EAPOL */
8101 #ifdef CONFIG_PEERKEY
8102         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
8103                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
8104                         reply_len = -1;
8105 #endif /* CONFIG_PEERKEY */
8106 #ifdef CONFIG_IEEE80211R
8107         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
8108                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
8109                         reply_len = -1;
8110 #endif /* CONFIG_IEEE80211R */
8111 #ifdef CONFIG_WPS
8112         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
8113                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
8114                 if (res == -2) {
8115                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8116                         reply_len = 17;
8117                 } else if (res)
8118                         reply_len = -1;
8119         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
8120                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
8121                 if (res == -2) {
8122                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8123                         reply_len = 17;
8124                 } else if (res)
8125                         reply_len = -1;
8126         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
8127                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
8128                                                               reply,
8129                                                               reply_size);
8130         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
8131                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
8132                         wpa_s, buf + 14, reply, reply_size);
8133         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
8134                 if (wpas_wps_cancel(wpa_s))
8135                         reply_len = -1;
8136 #ifdef CONFIG_WPS_NFC
8137         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
8138                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
8139                         reply_len = -1;
8140         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
8141                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
8142                         reply_len = -1;
8143         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
8144                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
8145                         wpa_s, buf + 21, reply, reply_size);
8146         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
8147                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
8148                         wpa_s, buf + 14, reply, reply_size);
8149         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
8150                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
8151                                                                buf + 17))
8152                         reply_len = -1;
8153         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
8154                 reply_len = wpas_ctrl_nfc_get_handover_req(
8155                         wpa_s, buf + 21, reply, reply_size);
8156         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
8157                 reply_len = wpas_ctrl_nfc_get_handover_sel(
8158                         wpa_s, buf + 21, reply, reply_size);
8159         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
8160                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
8161                         reply_len = -1;
8162 #endif /* CONFIG_WPS_NFC */
8163         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
8164                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
8165                         reply_len = -1;
8166 #ifdef CONFIG_AP
8167         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
8168                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
8169                         wpa_s, buf + 11, reply, reply_size);
8170 #endif /* CONFIG_AP */
8171 #ifdef CONFIG_WPS_ER
8172         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
8173                 if (wpas_wps_er_start(wpa_s, NULL))
8174                         reply_len = -1;
8175         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
8176                 if (wpas_wps_er_start(wpa_s, buf + 13))
8177                         reply_len = -1;
8178         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
8179                 wpas_wps_er_stop(wpa_s);
8180         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
8181                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
8182                         reply_len = -1;
8183         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
8184                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
8185                 if (ret == -2) {
8186                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8187                         reply_len = 17;
8188                 } else if (ret == -3) {
8189                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
8190                         reply_len = 18;
8191                 } else if (ret == -4) {
8192                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
8193                         reply_len = 20;
8194                 } else if (ret)
8195                         reply_len = -1;
8196         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
8197                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
8198                         reply_len = -1;
8199         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
8200                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
8201                                                                 buf + 18))
8202                         reply_len = -1;
8203         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
8204                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
8205                         reply_len = -1;
8206 #ifdef CONFIG_WPS_NFC
8207         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
8208                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
8209                         wpa_s, buf + 24, reply, reply_size);
8210 #endif /* CONFIG_WPS_NFC */
8211 #endif /* CONFIG_WPS_ER */
8212 #endif /* CONFIG_WPS */
8213 #ifdef CONFIG_IBSS_RSN
8214         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
8215                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
8216                         reply_len = -1;
8217 #endif /* CONFIG_IBSS_RSN */
8218 #ifdef CONFIG_MESH
8219         } else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
8220                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8221                         wpa_s, buf + 19, reply, reply_size);
8222         } else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
8223                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8224                         wpa_s, "", reply, reply_size);
8225         } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
8226                 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
8227                         reply_len = -1;
8228         } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
8229                 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
8230                                                                 buf + 18))
8231                         reply_len = -1;
8232 #endif /* CONFIG_MESH */
8233 #ifdef CONFIG_P2P
8234         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
8235                 if (p2p_ctrl_find(wpa_s, buf + 8))
8236                         reply_len = -1;
8237         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
8238                 if (p2p_ctrl_find(wpa_s, ""))
8239                         reply_len = -1;
8240         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
8241                 wpas_p2p_stop_find(wpa_s);
8242         } else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
8243                 if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
8244                         reply_len = -1;
8245         } else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
8246                 if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
8247                         reply_len = -1;
8248         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
8249                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
8250                                              reply_size);
8251         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
8252                 if (p2p_ctrl_listen(wpa_s, buf + 11))
8253                         reply_len = -1;
8254         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
8255                 if (p2p_ctrl_listen(wpa_s, ""))
8256                         reply_len = -1;
8257         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
8258                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
8259                         reply_len = -1;
8260         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
8261                 if (p2p_ctrl_group_add(wpa_s, ""))
8262                         reply_len = -1;
8263         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
8264                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
8265                         reply_len = -1;
8266         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
8267                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
8268                         reply_len = -1;
8269         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
8270                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
8271         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
8272                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
8273                                                    reply_size);
8274         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
8275                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
8276                         reply_len = -1;
8277         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
8278                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
8279                         reply_len = -1;
8280         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
8281                 wpas_p2p_sd_service_update(wpa_s);
8282         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
8283                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
8284                         reply_len = -1;
8285         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
8286                 wpas_p2p_service_flush(wpa_s);
8287         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
8288                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
8289                         reply_len = -1;
8290         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
8291                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
8292                         reply_len = -1;
8293         } else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
8294                 if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
8295                         reply_len = -1;
8296         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
8297                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
8298                         reply_len = -1;
8299         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
8300                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
8301                         reply_len = -1;
8302         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
8303                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
8304                                               reply_size);
8305         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
8306                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
8307                         reply_len = -1;
8308         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
8309                 p2p_ctrl_flush(wpa_s);
8310         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
8311                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
8312                         reply_len = -1;
8313         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
8314                 if (wpas_p2p_cancel(wpa_s))
8315                         reply_len = -1;
8316         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
8317                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
8318                         reply_len = -1;
8319         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
8320                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
8321                         reply_len = -1;
8322         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
8323                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
8324                         reply_len = -1;
8325         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
8326                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
8327                         reply_len = -1;
8328         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
8329                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
8330                         reply_len = -1;
8331 #endif /* CONFIG_P2P */
8332 #ifdef CONFIG_WIFI_DISPLAY
8333         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
8334                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
8335                         reply_len = -1;
8336         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
8337                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
8338                                                      reply, reply_size);
8339 #endif /* CONFIG_WIFI_DISPLAY */
8340 #ifdef CONFIG_INTERWORKING
8341         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
8342                 if (interworking_fetch_anqp(wpa_s) < 0)
8343                         reply_len = -1;
8344         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
8345                 interworking_stop_fetch_anqp(wpa_s);
8346         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
8347                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
8348                         reply_len = -1;
8349         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
8350                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
8351                         reply_len = -1;
8352         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
8353                 if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
8354                         reply_len = -1;
8355         } else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
8356                 int id;
8357
8358                 id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
8359                 if (id < 0)
8360                         reply_len = -1;
8361                 else {
8362                         reply_len = os_snprintf(reply, reply_size, "%d\n", id);
8363                         if (os_snprintf_error(reply_size, reply_len))
8364                                 reply_len = -1;
8365                 }
8366         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
8367                 if (get_anqp(wpa_s, buf + 9) < 0)
8368                         reply_len = -1;
8369         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
8370                 if (gas_request(wpa_s, buf + 12) < 0)
8371                         reply_len = -1;
8372         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
8373                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
8374                                              reply_size);
8375 #endif /* CONFIG_INTERWORKING */
8376 #ifdef CONFIG_HS20
8377         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
8378                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
8379                         reply_len = -1;
8380         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
8381                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
8382                         reply_len = -1;
8383         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
8384                 if (hs20_icon_request(wpa_s, buf + 18) < 0)
8385                         reply_len = -1;
8386         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
8387                 if (hs20_fetch_osu(wpa_s) < 0)
8388                         reply_len = -1;
8389         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
8390                 hs20_cancel_fetch_osu(wpa_s);
8391 #endif /* CONFIG_HS20 */
8392         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
8393         {
8394                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
8395                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
8396                         reply_len = -1;
8397                 else {
8398                         /*
8399                          * Notify response from timeout to allow the control
8400                          * interface response to be sent first.
8401                          */
8402                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
8403                                                wpa_s, NULL);
8404                 }
8405         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
8406                 if (wpa_supplicant_reload_configuration(wpa_s))
8407                         reply_len = -1;
8408         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8409                 wpa_supplicant_terminate_proc(wpa_s->global);
8410         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
8411                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
8412                         reply_len = -1;
8413         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
8414                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
8415                         wpa_s, buf + 9, reply, reply_size);
8416         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
8417                 reply_len = wpa_supplicant_ctrl_iface_log_level(
8418                         wpa_s, buf + 9, reply, reply_size);
8419         } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
8420                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8421                         wpa_s, buf + 14, reply, reply_size);
8422         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
8423                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8424                         wpa_s, NULL, reply, reply_size);
8425         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
8426 #ifdef CONFIG_SME
8427                 wpa_s->sme.prev_bssid_set = 0;
8428 #endif /* CONFIG_SME */
8429                 wpa_s->reassociate = 0;
8430                 wpa_s->disconnected = 1;
8431                 wpa_supplicant_cancel_sched_scan(wpa_s);
8432                 wpa_supplicant_cancel_scan(wpa_s);
8433                 wpa_supplicant_deauthenticate(wpa_s,
8434                                               WLAN_REASON_DEAUTH_LEAVING);
8435                 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
8436         } else if (os_strcmp(buf, "SCAN") == 0) {
8437                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
8438         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
8439                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
8440         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
8441                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
8442                         wpa_s, reply, reply_size);
8443         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
8444                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
8445                         reply_len = -1;
8446         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
8447                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
8448                         reply_len = -1;
8449         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
8450                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
8451                         reply_len = -1;
8452         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
8453                 reply_len = wpa_supplicant_ctrl_iface_add_network(
8454                         wpa_s, reply, reply_size);
8455         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
8456                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
8457                         reply_len = -1;
8458         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8459                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
8460                         reply_len = -1;
8461         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
8462                 reply_len = wpa_supplicant_ctrl_iface_get_network(
8463                         wpa_s, buf + 12, reply, reply_size);
8464         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
8465                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12,
8466                                                           wpa_s))
8467                         reply_len = -1;
8468         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
8469                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
8470                         wpa_s, reply, reply_size);
8471         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
8472                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
8473                         wpa_s, reply, reply_size);
8474         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
8475                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
8476                         reply_len = -1;
8477         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
8478                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
8479                         reply_len = -1;
8480         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
8481                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
8482                                                                reply,
8483                                                                reply_size);
8484 #ifndef CONFIG_NO_CONFIG_WRITE
8485         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8486                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
8487                         reply_len = -1;
8488 #endif /* CONFIG_NO_CONFIG_WRITE */
8489         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
8490                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
8491                         wpa_s, buf + 15, reply, reply_size);
8492         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
8493                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
8494                         reply_len = -1;
8495         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
8496                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
8497                         reply_len = -1;
8498         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8499                 reply_len = wpa_supplicant_global_iface_list(
8500                         wpa_s->global, reply, reply_size);
8501         } else if (os_strcmp(buf, "INTERFACES") == 0) {
8502                 reply_len = wpa_supplicant_global_iface_interfaces(
8503                         wpa_s->global, reply, reply_size);
8504         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
8505                 reply_len = wpa_supplicant_ctrl_iface_bss(
8506                         wpa_s, buf + 4, reply, reply_size);
8507 #ifdef CONFIG_AP
8508         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
8509                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
8510         } else if (os_strncmp(buf, "STA ", 4) == 0) {
8511                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
8512                                               reply_size);
8513         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
8514                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
8515                                                    reply_size);
8516         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
8517                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
8518                         reply_len = -1;
8519         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
8520                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
8521                         reply_len = -1;
8522         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
8523                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
8524                         reply_len = -1;
8525         } else if (os_strcmp(buf, "STOP_AP") == 0) {
8526                 if (wpas_ap_stop_ap(wpa_s))
8527                         reply_len = -1;
8528 #endif /* CONFIG_AP */
8529         } else if (os_strcmp(buf, "SUSPEND") == 0) {
8530                 wpas_notify_suspend(wpa_s->global);
8531         } else if (os_strcmp(buf, "RESUME") == 0) {
8532                 wpas_notify_resume(wpa_s->global);
8533 #ifdef CONFIG_TESTING_OPTIONS
8534         } else if (os_strcmp(buf, "DROP_SA") == 0) {
8535                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
8536 #endif /* CONFIG_TESTING_OPTIONS */
8537         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
8538                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
8539                         reply_len = -1;
8540         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
8541                 wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
8542         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
8543                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
8544                         reply_len = -1;
8545         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
8546                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
8547                                                                buf + 17))
8548                         reply_len = -1;
8549         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
8550                 wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
8551 #ifdef CONFIG_TDLS
8552         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
8553                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
8554                         reply_len = -1;
8555         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
8556                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
8557                         reply_len = -1;
8558         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
8559                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
8560                         reply_len = -1;
8561         } else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
8562                 if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
8563                                                                buf + 17))
8564                         reply_len = -1;
8565         } else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
8566                 if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
8567                                                                       buf + 24))
8568                         reply_len = -1;
8569         } else if (os_strncmp(buf, "TDLS_LINK_STATUS ", 17) == 0) {
8570                 reply_len = wpa_supplicant_ctrl_iface_tdls_link_status(
8571                         wpa_s, buf + 17, reply, reply_size);
8572 #endif /* CONFIG_TDLS */
8573         } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
8574                 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
8575         } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
8576                 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
8577                         reply_len = -1;
8578         } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
8579                 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
8580                         reply_len = -1;
8581         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
8582                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
8583                                                        reply_size);
8584         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
8585                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
8586                                                        reply_size);
8587 #ifdef CONFIG_AUTOSCAN
8588         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
8589                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
8590                         reply_len = -1;
8591 #endif /* CONFIG_AUTOSCAN */
8592 #ifdef ANDROID
8593         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
8594                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
8595                                                       reply_size);
8596 #endif /* ANDROID */
8597         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
8598                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
8599                                                       reply_size);
8600         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
8601                 pmksa_cache_clear_current(wpa_s->wpa);
8602                 eapol_sm_request_reauth(wpa_s->eapol);
8603 #ifdef CONFIG_WNM
8604         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
8605                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
8606                         reply_len = -1;
8607         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
8608                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
8609                                 reply_len = -1;
8610 #endif /* CONFIG_WNM */
8611         } else if (os_strcmp(buf, "FLUSH") == 0) {
8612                 wpa_supplicant_ctrl_iface_flush(wpa_s);
8613         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
8614                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
8615                                                  reply_size);
8616 #ifdef CONFIG_TESTING_OPTIONS
8617         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
8618                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
8619                         reply_len = -1;
8620         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
8621                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
8622         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
8623                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
8624                         reply_len = -1;
8625         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
8626                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
8627                         reply_len = -1;
8628         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
8629                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
8630                         reply_len = -1;
8631         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
8632                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
8633                         reply_len = -1;
8634         } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
8635                 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
8636                         reply_len = -1;
8637         } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
8638                 if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
8639                         reply_len = -1;
8640         } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
8641                 reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
8642         } else if (os_strncmp(buf, "TEST_FAIL ", 10) == 0) {
8643                 if (wpas_ctrl_test_fail(wpa_s, buf + 10) < 0)
8644                         reply_len = -1;
8645         } else if (os_strcmp(buf, "GET_FAIL") == 0) {
8646                 reply_len = wpas_ctrl_get_fail(wpa_s, reply, reply_size);
8647 #endif /* CONFIG_TESTING_OPTIONS */
8648         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
8649                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
8650                         reply_len = -1;
8651         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
8652                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
8653                                                       reply_size);
8654         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
8655                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
8656                         reply_len = -1;
8657         } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
8658                 if (wpas_ctrl_iface_send_neigbor_rep(wpa_s, buf + 20))
8659                         reply_len = -1;
8660         } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
8661                 wpas_ctrl_iface_erp_flush(wpa_s);
8662         } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
8663                 if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
8664                         reply_len = -1;
8665         } else {
8666                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8667                 reply_len = 16;
8668         }
8669
8670         if (reply_len < 0) {
8671                 os_memcpy(reply, "FAIL\n", 5);
8672                 reply_len = 5;
8673         }
8674
8675         *resp_len = reply_len;
8676         return reply;
8677 }
8678
8679
8680 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
8681                                            char *cmd)
8682 {
8683         struct wpa_interface iface;
8684         char *pos, *extra;
8685         struct wpa_supplicant *wpa_s;
8686         unsigned int create_iface = 0;
8687         u8 mac_addr[ETH_ALEN];
8688
8689         /*
8690          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
8691          * TAB<bridge_ifname>[TAB<create>]
8692          */
8693         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
8694
8695         os_memset(&iface, 0, sizeof(iface));
8696
8697         do {
8698                 iface.ifname = pos = cmd;
8699                 pos = os_strchr(pos, '\t');
8700                 if (pos)
8701                         *pos++ = '\0';
8702                 if (iface.ifname[0] == '\0')
8703                         return -1;
8704                 if (pos == NULL)
8705                         break;
8706
8707                 iface.confname = pos;
8708                 pos = os_strchr(pos, '\t');
8709                 if (pos)
8710                         *pos++ = '\0';
8711                 if (iface.confname[0] == '\0')
8712                         iface.confname = NULL;
8713                 if (pos == NULL)
8714                         break;
8715
8716                 iface.driver = pos;
8717                 pos = os_strchr(pos, '\t');
8718                 if (pos)
8719                         *pos++ = '\0';
8720                 if (iface.driver[0] == '\0')
8721                         iface.driver = NULL;
8722                 if (pos == NULL)
8723                         break;
8724
8725                 iface.ctrl_interface = pos;
8726                 pos = os_strchr(pos, '\t');
8727                 if (pos)
8728                         *pos++ = '\0';
8729                 if (iface.ctrl_interface[0] == '\0')
8730                         iface.ctrl_interface = NULL;
8731                 if (pos == NULL)
8732                         break;
8733
8734                 iface.driver_param = pos;
8735                 pos = os_strchr(pos, '\t');
8736                 if (pos)
8737                         *pos++ = '\0';
8738                 if (iface.driver_param[0] == '\0')
8739                         iface.driver_param = NULL;
8740                 if (pos == NULL)
8741                         break;
8742
8743                 iface.bridge_ifname = pos;
8744                 pos = os_strchr(pos, '\t');
8745                 if (pos)
8746                         *pos++ = '\0';
8747                 if (iface.bridge_ifname[0] == '\0')
8748                         iface.bridge_ifname = NULL;
8749                 if (pos == NULL)
8750                         break;
8751
8752                 extra = pos;
8753                 pos = os_strchr(pos, '\t');
8754                 if (pos)
8755                         *pos++ = '\0';
8756                 if (!extra[0])
8757                         break;
8758
8759                 if (os_strcmp(extra, "create") == 0)
8760                         create_iface = 1;
8761                 else {
8762                         wpa_printf(MSG_DEBUG,
8763                                    "INTERFACE_ADD unsupported extra parameter: '%s'",
8764                                    extra);
8765                         return -1;
8766                 }
8767         } while (0);
8768
8769         if (create_iface) {
8770                 wpa_printf(MSG_DEBUG, "CTRL_IFACE creating interface '%s'",
8771                            iface.ifname);
8772                 if (!global->ifaces)
8773                         return -1;
8774                 if (wpa_drv_if_add(global->ifaces, WPA_IF_STATION, iface.ifname,
8775                                    NULL, NULL, NULL, mac_addr, NULL) < 0) {
8776                         wpa_printf(MSG_ERROR,
8777                                    "CTRL_IFACE interface creation failed");
8778                         return -1;
8779                 }
8780
8781                 wpa_printf(MSG_DEBUG,
8782                            "CTRL_IFACE interface '%s' created with MAC addr: "
8783                            MACSTR, iface.ifname, MAC2STR(mac_addr));
8784         }
8785
8786         if (wpa_supplicant_get_iface(global, iface.ifname))
8787                 goto fail;
8788
8789         wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
8790         if (!wpa_s)
8791                 goto fail;
8792         wpa_s->added_vif = create_iface;
8793         return 0;
8794
8795 fail:
8796         if (create_iface)
8797                 wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, iface.ifname);
8798         return -1;
8799 }
8800
8801
8802 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
8803                                               char *cmd)
8804 {
8805         struct wpa_supplicant *wpa_s;
8806         int ret;
8807         unsigned int delete_iface;
8808
8809         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
8810
8811         wpa_s = wpa_supplicant_get_iface(global, cmd);
8812         if (wpa_s == NULL)
8813                 return -1;
8814         delete_iface = wpa_s->added_vif;
8815         ret = wpa_supplicant_remove_iface(global, wpa_s, 0);
8816         if (!ret && delete_iface) {
8817                 wpa_printf(MSG_DEBUG, "CTRL_IFACE deleting the interface '%s'",
8818                            cmd);
8819                 ret = wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, cmd);
8820         }
8821         return ret;
8822 }
8823
8824
8825 static void wpa_free_iface_info(struct wpa_interface_info *iface)
8826 {
8827         struct wpa_interface_info *prev;
8828
8829         while (iface) {
8830                 prev = iface;
8831                 iface = iface->next;
8832
8833                 os_free(prev->ifname);
8834                 os_free(prev->desc);
8835                 os_free(prev);
8836         }
8837 }
8838
8839
8840 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
8841                                             char *buf, int len)
8842 {
8843         int i, res;
8844         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
8845         char *pos, *end;
8846
8847         for (i = 0; wpa_drivers[i]; i++) {
8848                 const struct wpa_driver_ops *drv = wpa_drivers[i];
8849                 if (drv->get_interfaces == NULL)
8850                         continue;
8851                 tmp = drv->get_interfaces(global->drv_priv[i]);
8852                 if (tmp == NULL)
8853                         continue;
8854
8855                 if (last == NULL)
8856                         iface = last = tmp;
8857                 else
8858                         last->next = tmp;
8859                 while (last->next)
8860                         last = last->next;
8861         }
8862
8863         pos = buf;
8864         end = buf + len;
8865         for (tmp = iface; tmp; tmp = tmp->next) {
8866                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
8867                                   tmp->drv_name, tmp->ifname,
8868                                   tmp->desc ? tmp->desc : "");
8869                 if (os_snprintf_error(end - pos, res)) {
8870                         *pos = '\0';
8871                         break;
8872                 }
8873                 pos += res;
8874         }
8875
8876         wpa_free_iface_info(iface);
8877
8878         return pos - buf;
8879 }
8880
8881
8882 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
8883                                                   char *buf, int len)
8884 {
8885         int res;
8886         char *pos, *end;
8887         struct wpa_supplicant *wpa_s;
8888
8889         wpa_s = global->ifaces;
8890         pos = buf;
8891         end = buf + len;
8892
8893         while (wpa_s) {
8894                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
8895                 if (os_snprintf_error(end - pos, res)) {
8896                         *pos = '\0';
8897                         break;
8898                 }
8899                 pos += res;
8900                 wpa_s = wpa_s->next;
8901         }
8902         return pos - buf;
8903 }
8904
8905
8906 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
8907                                             const char *ifname,
8908                                             char *cmd, size_t *resp_len)
8909 {
8910         struct wpa_supplicant *wpa_s;
8911
8912         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8913                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
8914                         break;
8915         }
8916
8917         if (wpa_s == NULL) {
8918                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
8919                 if (resp)
8920                         *resp_len = os_strlen(resp);
8921                 else
8922                         *resp_len = 1;
8923                 return resp;
8924         }
8925
8926         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
8927 }
8928
8929
8930 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
8931                                                char *buf, size_t *resp_len)
8932 {
8933 #ifdef CONFIG_P2P
8934         static const char * cmd[] = {
8935                 "LIST_NETWORKS",
8936                 "P2P_FIND",
8937                 "P2P_STOP_FIND",
8938                 "P2P_LISTEN",
8939                 "P2P_GROUP_ADD",
8940                 "P2P_GET_PASSPHRASE",
8941                 "P2P_SERVICE_UPDATE",
8942                 "P2P_SERVICE_FLUSH",
8943                 "P2P_FLUSH",
8944                 "P2P_CANCEL",
8945                 "P2P_PRESENCE_REQ",
8946                 "P2P_EXT_LISTEN",
8947                 NULL
8948         };
8949         static const char * prefix[] = {
8950 #ifdef ANDROID
8951                 "DRIVER ",
8952 #endif /* ANDROID */
8953                 "GET_NETWORK ",
8954                 "REMOVE_NETWORK ",
8955                 "P2P_FIND ",
8956                 "P2P_CONNECT ",
8957                 "P2P_LISTEN ",
8958                 "P2P_GROUP_REMOVE ",
8959                 "P2P_GROUP_ADD ",
8960                 "P2P_PROV_DISC ",
8961                 "P2P_SERV_DISC_REQ ",
8962                 "P2P_SERV_DISC_CANCEL_REQ ",
8963                 "P2P_SERV_DISC_RESP ",
8964                 "P2P_SERV_DISC_EXTERNAL ",
8965                 "P2P_SERVICE_ADD ",
8966                 "P2P_SERVICE_DEL ",
8967                 "P2P_SERVICE_REP ",
8968                 "P2P_REJECT ",
8969                 "P2P_INVITE ",
8970                 "P2P_PEER ",
8971                 "P2P_SET ",
8972                 "P2P_UNAUTHORIZE ",
8973                 "P2P_PRESENCE_REQ ",
8974                 "P2P_EXT_LISTEN ",
8975                 "P2P_REMOVE_CLIENT ",
8976                 "WPS_NFC_TOKEN ",
8977                 "WPS_NFC_TAG_READ ",
8978                 "NFC_GET_HANDOVER_SEL ",
8979                 "NFC_GET_HANDOVER_REQ ",
8980                 "NFC_REPORT_HANDOVER ",
8981                 "P2P_ASP_PROVISION ",
8982                 "P2P_ASP_PROVISION_RESP ",
8983                 NULL
8984         };
8985         int found = 0;
8986         int i;
8987
8988         if (global->p2p_init_wpa_s == NULL)
8989                 return NULL;
8990
8991         for (i = 0; !found && cmd[i]; i++) {
8992                 if (os_strcmp(buf, cmd[i]) == 0)
8993                         found = 1;
8994         }
8995
8996         for (i = 0; !found && prefix[i]; i++) {
8997                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
8998                         found = 1;
8999         }
9000
9001         if (found)
9002                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9003                                                          buf, resp_len);
9004 #endif /* CONFIG_P2P */
9005         return NULL;
9006 }
9007
9008
9009 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
9010                                                char *buf, size_t *resp_len)
9011 {
9012 #ifdef CONFIG_WIFI_DISPLAY
9013         if (global->p2p_init_wpa_s == NULL)
9014                 return NULL;
9015         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
9016             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
9017                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9018                                                          buf, resp_len);
9019 #endif /* CONFIG_WIFI_DISPLAY */
9020         return NULL;
9021 }
9022
9023
9024 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
9025                                            char *buf, size_t *resp_len)
9026 {
9027         char *ret;
9028
9029         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
9030         if (ret)
9031                 return ret;
9032
9033         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
9034         if (ret)
9035                 return ret;
9036
9037         return NULL;
9038 }
9039
9040
9041 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
9042 {
9043         char *value;
9044
9045         value = os_strchr(cmd, ' ');
9046         if (value == NULL)
9047                 return -1;
9048         *value++ = '\0';
9049
9050         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
9051
9052 #ifdef CONFIG_WIFI_DISPLAY
9053         if (os_strcasecmp(cmd, "wifi_display") == 0) {
9054                 wifi_display_enable(global, !!atoi(value));
9055                 return 0;
9056         }
9057 #endif /* CONFIG_WIFI_DISPLAY */
9058
9059         /* Restore cmd to its original value to allow redirection */
9060         value[-1] = ' ';
9061
9062         return -1;
9063 }
9064
9065
9066 static int wpas_global_ctrl_iface_dup_network(struct wpa_global *global,
9067                                               char *cmd)
9068 {
9069         struct wpa_supplicant *wpa_s[2]; /* src, dst */
9070         char *p;
9071         unsigned int i;
9072
9073         /* cmd: "<src ifname> <dst ifname> <src network id> <dst network id>
9074          * <variable name> */
9075
9076         for (i = 0; i < ARRAY_SIZE(wpa_s) ; i++) {
9077                 p = os_strchr(cmd, ' ');
9078                 if (p == NULL)
9079                         return -1;
9080                 *p = '\0';
9081
9082                 wpa_s[i] = global->ifaces;
9083                 for (; wpa_s[i]; wpa_s[i] = wpa_s[i]->next) {
9084                         if (os_strcmp(cmd, wpa_s[i]->ifname) == 0)
9085                                 break;
9086                 }
9087
9088                 if (!wpa_s[i]) {
9089                         wpa_printf(MSG_DEBUG,
9090                                    "CTRL_IFACE: Could not find iface=%s", cmd);
9091                         return -1;
9092                 }
9093
9094                 cmd = p + 1;
9095         }
9096
9097         return wpa_supplicant_ctrl_iface_dup_network(wpa_s[0], cmd, wpa_s[1]);
9098 }
9099
9100
9101 #ifndef CONFIG_NO_CONFIG_WRITE
9102 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
9103 {
9104         int ret = 0, saved = 0;
9105         struct wpa_supplicant *wpa_s;
9106
9107         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9108                 if (!wpa_s->conf->update_config) {
9109                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
9110                         continue;
9111                 }
9112
9113                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
9114                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
9115                         ret = 1;
9116                 } else {
9117                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
9118                         saved++;
9119                 }
9120         }
9121
9122         if (!saved && !ret) {
9123                 wpa_dbg(wpa_s, MSG_DEBUG,
9124                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
9125                 ret = 1;
9126         }
9127
9128         return ret;
9129 }
9130 #endif /* CONFIG_NO_CONFIG_WRITE */
9131
9132
9133 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
9134                                          char *buf, size_t buflen)
9135 {
9136         char *pos, *end;
9137         int ret;
9138         struct wpa_supplicant *wpa_s;
9139
9140         pos = buf;
9141         end = buf + buflen;
9142
9143 #ifdef CONFIG_P2P
9144         if (global->p2p && !global->p2p_disabled) {
9145                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
9146                                   "\n"
9147                                   "p2p_state=%s\n",
9148                                   MAC2STR(global->p2p_dev_addr),
9149                                   p2p_get_state_txt(global->p2p));
9150                 if (os_snprintf_error(end - pos, ret))
9151                         return pos - buf;
9152                 pos += ret;
9153         } else if (global->p2p) {
9154                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
9155                 if (os_snprintf_error(end - pos, ret))
9156                         return pos - buf;
9157                 pos += ret;
9158         }
9159 #endif /* CONFIG_P2P */
9160
9161 #ifdef CONFIG_WIFI_DISPLAY
9162         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
9163                           !!global->wifi_display);
9164         if (os_snprintf_error(end - pos, ret))
9165                 return pos - buf;
9166         pos += ret;
9167 #endif /* CONFIG_WIFI_DISPLAY */
9168
9169         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9170                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
9171                                   "address=" MACSTR "\n",
9172                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
9173                 if (os_snprintf_error(end - pos, ret))
9174                         return pos - buf;
9175                 pos += ret;
9176         }
9177
9178         return pos - buf;
9179 }
9180
9181
9182 #ifdef CONFIG_FST
9183
9184 static int wpas_global_ctrl_iface_fst_attach(struct wpa_global *global,
9185                                              char *cmd, char *buf,
9186                                              size_t reply_size)
9187 {
9188         char ifname[IFNAMSIZ + 1];
9189         struct fst_iface_cfg cfg;
9190         struct wpa_supplicant *wpa_s;
9191         struct fst_wpa_obj iface_obj;
9192
9193         if (!fst_parse_attach_command(cmd, ifname, sizeof(ifname), &cfg)) {
9194                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9195                 if (wpa_s) {
9196                         fst_wpa_supplicant_fill_iface_obj(wpa_s, &iface_obj);
9197                         wpa_s->fst = fst_attach(ifname, wpa_s->own_addr,
9198                                                 &iface_obj, &cfg);
9199                         if (wpa_s->fst)
9200                                 return os_snprintf(buf, reply_size, "OK\n");
9201                 }
9202         }
9203
9204         return -1;
9205 }
9206
9207
9208 static int wpas_global_ctrl_iface_fst_detach(struct wpa_global *global,
9209                                              char *cmd, char *buf,
9210                                              size_t reply_size)
9211 {
9212         char ifname[IFNAMSIZ + 1];
9213         struct wpa_supplicant *wpa_s;
9214
9215         if (!fst_parse_detach_command(cmd, ifname, sizeof(ifname))) {
9216                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9217                 if (wpa_s) {
9218                         if (!fst_iface_detach(ifname)) {
9219                                 wpa_s->fst = NULL;
9220                                 return os_snprintf(buf, reply_size, "OK\n");
9221                         }
9222                 }
9223         }
9224
9225         return -1;
9226 }
9227
9228 #endif /* CONFIG_FST */
9229
9230
9231 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
9232                                                 char *buf, size_t *resp_len)
9233 {
9234         char *reply;
9235         const int reply_size = 2048;
9236         int reply_len;
9237         int level = MSG_DEBUG;
9238
9239         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
9240                 char *pos = os_strchr(buf + 7, ' ');
9241                 if (pos) {
9242                         *pos++ = '\0';
9243                         return wpas_global_ctrl_iface_ifname(global,
9244                                                              buf + 7, pos,
9245                                                              resp_len);
9246                 }
9247         }
9248
9249         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
9250         if (reply)
9251                 return reply;
9252
9253         if (os_strcmp(buf, "PING") == 0)
9254                 level = MSG_EXCESSIVE;
9255         wpa_hexdump_ascii(level, "RX global ctrl_iface",
9256                           (const u8 *) buf, os_strlen(buf));
9257
9258         reply = os_malloc(reply_size);
9259         if (reply == NULL) {
9260                 *resp_len = 1;
9261                 return NULL;
9262         }
9263
9264         os_memcpy(reply, "OK\n", 3);
9265         reply_len = 3;
9266
9267         if (os_strcmp(buf, "PING") == 0) {
9268                 os_memcpy(reply, "PONG\n", 5);
9269                 reply_len = 5;
9270         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
9271                 if (wpa_supplicant_global_iface_add(global, buf + 14))
9272                         reply_len = -1;
9273         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
9274                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
9275                         reply_len = -1;
9276         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
9277                 reply_len = wpa_supplicant_global_iface_list(
9278                         global, reply, reply_size);
9279         } else if (os_strcmp(buf, "INTERFACES") == 0) {
9280                 reply_len = wpa_supplicant_global_iface_interfaces(
9281                         global, reply, reply_size);
9282 #ifdef CONFIG_FST
9283         } else if (os_strncmp(buf, "FST-ATTACH ", 11) == 0) {
9284                 reply_len = wpas_global_ctrl_iface_fst_attach(global, buf + 11,
9285                                                               reply,
9286                                                               reply_size);
9287         } else if (os_strncmp(buf, "FST-DETACH ", 11) == 0) {
9288                 reply_len = wpas_global_ctrl_iface_fst_detach(global, buf + 11,
9289                                                               reply,
9290                                                               reply_size);
9291         } else if (os_strncmp(buf, "FST-MANAGER ", 12) == 0) {
9292                 reply_len = fst_ctrl_iface_receive(buf + 12, reply, reply_size);
9293 #endif /* CONFIG_FST */
9294         } else if (os_strcmp(buf, "TERMINATE") == 0) {
9295                 wpa_supplicant_terminate_proc(global);
9296         } else if (os_strcmp(buf, "SUSPEND") == 0) {
9297                 wpas_notify_suspend(global);
9298         } else if (os_strcmp(buf, "RESUME") == 0) {
9299                 wpas_notify_resume(global);
9300         } else if (os_strncmp(buf, "SET ", 4) == 0) {
9301                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
9302 #ifdef CONFIG_P2P
9303                         if (global->p2p_init_wpa_s) {
9304                                 os_free(reply);
9305                                 /* Check if P2P redirection would work for this
9306                                  * command. */
9307                                 return wpa_supplicant_ctrl_iface_process(
9308                                         global->p2p_init_wpa_s,
9309                                         buf, resp_len);
9310                         }
9311 #endif /* CONFIG_P2P */
9312                         reply_len = -1;
9313                 }
9314         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
9315                 if (wpas_global_ctrl_iface_dup_network(global, buf + 12))
9316                         reply_len = -1;
9317 #ifndef CONFIG_NO_CONFIG_WRITE
9318         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
9319                 if (wpas_global_ctrl_iface_save_config(global))
9320                         reply_len = -1;
9321 #endif /* CONFIG_NO_CONFIG_WRITE */
9322         } else if (os_strcmp(buf, "STATUS") == 0) {
9323                 reply_len = wpas_global_ctrl_iface_status(global, reply,
9324                                                           reply_size);
9325 #ifdef CONFIG_MODULE_TESTS
9326         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
9327                 int wpas_module_tests(void);
9328                 if (wpas_module_tests() < 0)
9329                         reply_len = -1;
9330 #endif /* CONFIG_MODULE_TESTS */
9331         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
9332                 if (wpa_debug_reopen_file() < 0)
9333                         reply_len = -1;
9334         } else {
9335                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
9336                 reply_len = 16;
9337         }
9338
9339         if (reply_len < 0) {
9340                 os_memcpy(reply, "FAIL\n", 5);
9341                 reply_len = 5;
9342         }
9343
9344         *resp_len = reply_len;
9345         return reply;
9346 }