wpa_supplicant/ctrl_iface.c

   1 /*
   2  * WPA Supplicant / Control interface (shared code for all backends)
   3  * Copyright (c) 2004-2015, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10 #ifdef CONFIG_TESTING_OPTIONS
  11 #include <net/ethernet.h>
  12 #include <netinet/ip.h>
  13 #endif /* CONFIG_TESTING_OPTIONS */
  14
  15 #include "utils/common.h"
  16 #include "utils/eloop.h"
  17 #include "utils/uuid.h"
  18 #include "common/version.h"
  19 #include "common/ieee802_11_defs.h"
  20 #include "common/ieee802_11_common.h"
  21 #include "common/wpa_ctrl.h"
  22 #include "crypto/tls.h"
  23 #include "ap/hostapd.h"
  24 #include "eap_peer/eap.h"
  25 #include "eapol_supp/eapol_supp_sm.h"
  26 #include "rsn_supp/wpa.h"
  27 #include "rsn_supp/preauth.h"
  28 #include "rsn_supp/pmksa_cache.h"
  29 #include "l2_packet/l2_packet.h"
  30 #include "wps/wps.h"
  31 #include "config.h"
  32 #include "wpa_supplicant_i.h"
  33 #include "driver_i.h"
  34 #include "wps_supplicant.h"
  35 #include "ibss_rsn.h"
  36 #include "ap.h"
  37 #include "p2p_supplicant.h"
  38 #include "p2p/p2p.h"
  39 #include "hs20_supplicant.h"
  40 #include "wifi_display.h"
  41 #include "notify.h"
  42 #include "bss.h"
  43 #include "scan.h"
  44 #include "ctrl_iface.h"
  45 #include "interworking.h"
  46 #include "blacklist.h"
  47 #include "autoscan.h"
  48 #include "wnm_sta.h"
  49 #include "offchannel.h"
  50 #include "drivers/driver.h"
  51 #include "mesh.h"
  52
  53 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
  54                                             char *buf, int len);
  55 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
  56                                                   char *buf, int len);
  57 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
  58                                         char *val);
  59
  60 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
  61 {
  62         char *pos;
  63         u8 addr[ETH_ALEN], *filter = NULL, *n;
  64         size_t count = 0;
  65
  66         pos = val;
  67         while (pos) {
  68                 if (*pos == '\0')
  69                         break;
  70                 if (hwaddr_aton(pos, addr)) {
  71                         os_free(filter);
  72                         return -1;
  73                 }
  74                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
  75                 if (n == NULL) {
  76                         os_free(filter);
  77                         return -1;
  78                 }
  79                 filter = n;
  80                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
  81                 count++;
  82
  83                 pos = os_strchr(pos, ' ');
  84                 if (pos)
  85                         pos++;
  86         }
  87
  88         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
  89         os_free(wpa_s->bssid_filter);
  90         wpa_s->bssid_filter = filter;
  91         wpa_s->bssid_filter_count = count;
  92
  93         return 0;
  94 }
  95
  96
  97 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
  98 {
  99         char *pos;
 100         u8 addr[ETH_ALEN], *bssid = NULL, *n;
 101         struct wpa_ssid_value *ssid = NULL, *ns;
 102         size_t count = 0, ssid_count = 0;
 103         struct wpa_ssid *c;
 104
 105         /*
 106          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
 107          * SSID_SPEC ::= ssid <SSID_HEX>
 108          * BSSID_SPEC ::= bssid <BSSID_HEX>
 109          */
 110
 111         pos = val;
 112         while (pos) {
 113                 if (*pos == '\0')
 114                         break;
 115                 if (os_strncmp(pos, "bssid ", 6) == 0) {
 116                         int res;
 117                         pos += 6;
 118                         res = hwaddr_aton2(pos, addr);
 119                         if (res < 0) {
 120                                 os_free(ssid);
 121                                 os_free(bssid);
 122                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 123                                            "BSSID value '%s'", pos);
 124                                 return -1;
 125                         }
 126                         pos += res;
 127                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
 128                         if (n == NULL) {
 129                                 os_free(ssid);
 130                                 os_free(bssid);
 131                                 return -1;
 132                         }
 133                         bssid = n;
 134                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
 135                         count++;
 136                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
 137                         char *end;
 138                         pos += 5;
 139
 140                         end = pos;
 141                         while (*end) {
 142                                 if (*end == '\0' || *end == ' ')
 143                                         break;
 144                                 end++;
 145                         }
 146
 147                         ns = os_realloc_array(ssid, ssid_count + 1,
 148                                               sizeof(struct wpa_ssid_value));
 149                         if (ns == NULL) {
 150                                 os_free(ssid);
 151                                 os_free(bssid);
 152                                 return -1;
 153                         }
 154                         ssid = ns;
 155
 156                         if ((end - pos) & 0x01 ||
 157                             end - pos > 2 * SSID_MAX_LEN ||
 158                             hexstr2bin(pos, ssid[ssid_count].ssid,
 159                                        (end - pos) / 2) < 0) {
 160                                 os_free(ssid);
 161                                 os_free(bssid);
 162                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 163                                            "SSID value '%s'", pos);
 164                                 return -1;
 165                         }
 166                         ssid[ssid_count].ssid_len = (end - pos) / 2;
 167                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
 168                                           ssid[ssid_count].ssid,
 169                                           ssid[ssid_count].ssid_len);
 170                         ssid_count++;
 171                         pos = end;
 172                 } else {
 173                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
 174                                    "'%s'", pos);
 175                         os_free(ssid);
 176                         os_free(bssid);
 177                         return -1;
 178                 }
 179
 180                 pos = os_strchr(pos, ' ');
 181                 if (pos)
 182                         pos++;
 183         }
 184
 185         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
 186         os_free(wpa_s->disallow_aps_bssid);
 187         wpa_s->disallow_aps_bssid = bssid;
 188         wpa_s->disallow_aps_bssid_count = count;
 189
 190         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
 191         os_free(wpa_s->disallow_aps_ssid);
 192         wpa_s->disallow_aps_ssid = ssid;
 193         wpa_s->disallow_aps_ssid_count = ssid_count;
 194
 195         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
 196                 return 0;
 197
 198         c = wpa_s->current_ssid;
 199         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
 200                 return 0;
 201
 202         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
 203             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
 204                 return 0;
 205
 206         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
 207                    "because current AP was marked disallowed");
 208
 209 #ifdef CONFIG_SME
 210         wpa_s->sme.prev_bssid_set = 0;
 211 #endif /* CONFIG_SME */
 212         wpa_s->reassociate = 1;
 213         wpa_s->own_disconnect_req = 1;
 214         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
 215         wpa_supplicant_req_scan(wpa_s, 0, 0);
 216
 217         return 0;
 218 }
 219
 220
 221 #ifndef CONFIG_NO_CONFIG_BLOBS
 222 static int wpas_ctrl_set_blob(struct wpa_supplicant *wpa_s, char *pos)
 223 {
 224         char *name = pos;
 225         struct wpa_config_blob *blob;
 226         size_t len;
 227
 228         pos = os_strchr(pos, ' ');
 229         if (pos == NULL)
 230                 return -1;
 231         *pos++ = '\0';
 232         len = os_strlen(pos);
 233         if (len & 1)
 234                 return -1;
 235
 236         wpa_printf(MSG_DEBUG, "CTRL: Set blob '%s'", name);
 237         blob = os_zalloc(sizeof(*blob));
 238         if (blob == NULL)
 239                 return -1;
 240         blob->name = os_strdup(name);
 241         blob->data = os_malloc(len / 2);
 242         if (blob->name == NULL || blob->data == NULL) {
 243                 wpa_config_free_blob(blob);
 244                 return -1;
 245         }
 246
 247         if (hexstr2bin(pos, blob->data, len / 2) < 0) {
 248                 wpa_printf(MSG_DEBUG, "CTRL: Invalid blob hex data");
 249                 wpa_config_free_blob(blob);
 250                 return -1;
 251         }
 252         blob->len = len / 2;
 253
 254         wpa_config_set_blob(wpa_s->conf, blob);
 255
 256         return 0;
 257 }
 258 #endif /* CONFIG_NO_CONFIG_BLOBS */
 259
 260
 261 static int wpas_ctrl_pno(struct wpa_supplicant *wpa_s, char *cmd)
 262 {
 263         char *params;
 264         char *pos;
 265         int *freqs = NULL;
 266         int ret;
 267
 268         if (atoi(cmd)) {
 269                 params = os_strchr(cmd, ' ');
 270                 os_free(wpa_s->manual_sched_scan_freqs);
 271                 if (params) {
 272                         params++;
 273                         pos = os_strstr(params, "freq=");
 274                         if (pos)
 275                                 freqs = freq_range_to_channel_list(wpa_s,
 276                                                                    pos + 5);
 277                 }
 278                 wpa_s->manual_sched_scan_freqs = freqs;
 279                 ret = wpas_start_pno(wpa_s);
 280         } else {
 281                 ret = wpas_stop_pno(wpa_s);
 282         }
 283         return ret;
 284 }
 285
 286
 287 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
 288                                          char *cmd)
 289 {
 290         char *value;
 291         int ret = 0;
 292
 293         value = os_strchr(cmd, ' ');
 294         if (value == NULL)
 295                 return -1;
 296         *value++ = '\0';
 297
 298         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
 299         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
 300                 eapol_sm_configure(wpa_s->eapol,
 301                                    atoi(value), -1, -1, -1);
 302         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
 303                 eapol_sm_configure(wpa_s->eapol,
 304                                    -1, atoi(value), -1, -1);
 305         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
 306                 eapol_sm_configure(wpa_s->eapol,
 307                                    -1, -1, atoi(value), -1);
 308         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
 309                 eapol_sm_configure(wpa_s->eapol,
 310                                    -1, -1, -1, atoi(value));
 311         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
 312                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
 313                                      atoi(value)))
 314                         ret = -1;
 315         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
 316                    0) {
 317                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
 318                                      atoi(value)))
 319                         ret = -1;
 320         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
 321                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
 322                         ret = -1;
 323         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
 324                 wpa_s->wps_fragment_size = atoi(value);
 325 #ifdef CONFIG_WPS_TESTING
 326         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
 327                 long int val;
 328                 val = strtol(value, NULL, 0);
 329                 if (val < 0 || val > 0xff) {
 330                         ret = -1;
 331                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
 332                                    "wps_version_number %ld", val);
 333                 } else {
 334                         wps_version_number = val;
 335                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
 336                                    "version %u.%u",
 337                                    (wps_version_number & 0xf0) >> 4,
 338                                    wps_version_number & 0x0f);
 339                 }
 340         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
 341                 wps_testing_dummy_cred = atoi(value);
 342                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
 343                            wps_testing_dummy_cred);
 344         } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
 345                 wps_corrupt_pkhash = atoi(value);
 346                 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
 347                            wps_corrupt_pkhash);
 348 #endif /* CONFIG_WPS_TESTING */
 349         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
 350                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
 351                         ret = -1;
 352 #ifdef CONFIG_TDLS
 353 #ifdef CONFIG_TDLS_TESTING
 354         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
 355                 extern unsigned int tdls_testing;
 356                 tdls_testing = strtol(value, NULL, 0);
 357                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
 358 #endif /* CONFIG_TDLS_TESTING */
 359         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
 360                 int disabled = atoi(value);
 361                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
 362                 if (disabled) {
 363                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
 364                                 ret = -1;
 365                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
 366                         ret = -1;
 367                 wpa_tdls_enable(wpa_s->wpa, !disabled);
 368 #endif /* CONFIG_TDLS */
 369         } else if (os_strcasecmp(cmd, "pno") == 0) {
 370                 ret = wpas_ctrl_pno(wpa_s, value);
 371         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
 372                 int disabled = atoi(value);
 373                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
 374                         ret = -1;
 375                 else if (disabled)
 376                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
 377         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
 378                 if (os_strcmp(value, "disable") == 0)
 379                         wpa_s->set_sta_uapsd = 0;
 380                 else {
 381                         int be, bk, vi, vo;
 382                         char *pos;
 383                         /* format: BE,BK,VI,VO;max SP Length */
 384                         be = atoi(value);
 385                         pos = os_strchr(value, ',');
 386                         if (pos == NULL)
 387                                 return -1;
 388                         pos++;
 389                         bk = atoi(pos);
 390                         pos = os_strchr(pos, ',');
 391                         if (pos == NULL)
 392                                 return -1;
 393                         pos++;
 394                         vi = atoi(pos);
 395                         pos = os_strchr(pos, ',');
 396                         if (pos == NULL)
 397                                 return -1;
 398                         pos++;
 399                         vo = atoi(pos);
 400                         /* ignore max SP Length for now */
 401
 402                         wpa_s->set_sta_uapsd = 1;
 403                         wpa_s->sta_uapsd = 0;
 404                         if (be)
 405                                 wpa_s->sta_uapsd |= BIT(0);
 406                         if (bk)
 407                                 wpa_s->sta_uapsd |= BIT(1);
 408                         if (vi)
 409                                 wpa_s->sta_uapsd |= BIT(2);
 410                         if (vo)
 411                                 wpa_s->sta_uapsd |= BIT(3);
 412                 }
 413         } else if (os_strcasecmp(cmd, "ps") == 0) {
 414                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
 415 #ifdef CONFIG_WIFI_DISPLAY
 416         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 417                 int enabled = !!atoi(value);
 418                 if (enabled && !wpa_s->global->p2p)
 419                         ret = -1;
 420                 else
 421                         wifi_display_enable(wpa_s->global, enabled);
 422 #endif /* CONFIG_WIFI_DISPLAY */
 423         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
 424                 ret = set_bssid_filter(wpa_s, value);
 425         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
 426                 ret = set_disallow_aps(wpa_s, value);
 427         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
 428                 wpa_s->no_keep_alive = !!atoi(value);
 429 #ifdef CONFIG_TESTING_OPTIONS
 430         } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
 431                 wpa_s->ext_mgmt_frame_handling = !!atoi(value);
 432         } else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
 433                 wpa_s->ext_eapol_frame_io = !!atoi(value);
 434 #ifdef CONFIG_AP
 435                 if (wpa_s->ap_iface) {
 436                         wpa_s->ap_iface->bss[0]->ext_eapol_frame_io =
 437                                 wpa_s->ext_eapol_frame_io;
 438                 }
 439 #endif /* CONFIG_AP */
 440         } else if (os_strcasecmp(cmd, "extra_roc_dur") == 0) {
 441                 wpa_s->extra_roc_dur = atoi(value);
 442         } else if (os_strcasecmp(cmd, "test_failure") == 0) {
 443                 wpa_s->test_failure = atoi(value);
 444 #endif /* CONFIG_TESTING_OPTIONS */
 445 #ifndef CONFIG_NO_CONFIG_BLOBS
 446         } else if (os_strcmp(cmd, "blob") == 0) {
 447                 ret = wpas_ctrl_set_blob(wpa_s, value);
 448 #endif /* CONFIG_NO_CONFIG_BLOBS */
 449         } else if (os_strcasecmp(cmd, "setband") == 0) {
 450                 if (os_strcmp(value, "AUTO") == 0)
 451                         wpa_s->setband = WPA_SETBAND_AUTO;
 452                 else if (os_strcmp(value, "5G") == 0)
 453                         wpa_s->setband = WPA_SETBAND_5G;
 454                 else if (os_strcmp(value, "2G") == 0)
 455                         wpa_s->setband = WPA_SETBAND_2G;
 456                 else
 457                         ret = -1;
 458         } else {
 459                 value[-1] = '=';
 460                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
 461                 if (ret == 0)
 462                         wpa_supplicant_update_config(wpa_s);
 463         }
 464
 465         return ret;
 466 }
 467
 468
 469 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
 470                                          char *cmd, char *buf, size_t buflen)
 471 {
 472         int res = -1;
 473
 474         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
 475
 476         if (os_strcmp(cmd, "version") == 0) {
 477                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
 478         } else if (os_strcasecmp(cmd, "country") == 0) {
 479                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
 480                         res = os_snprintf(buf, buflen, "%c%c",
 481                                           wpa_s->conf->country[0],
 482                                           wpa_s->conf->country[1]);
 483 #ifdef CONFIG_WIFI_DISPLAY
 484         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 485                 int enabled;
 486                 if (wpa_s->global->p2p == NULL ||
 487                     wpa_s->global->p2p_disabled)
 488                         enabled = 0;
 489                 else
 490                         enabled = wpa_s->global->wifi_display;
 491                 res = os_snprintf(buf, buflen, "%d", enabled);
 492 #endif /* CONFIG_WIFI_DISPLAY */
 493 #ifdef CONFIG_TESTING_GET_GTK
 494         } else if (os_strcmp(cmd, "gtk") == 0) {
 495                 if (wpa_s->last_gtk_len == 0)
 496                         return -1;
 497                 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
 498                                        wpa_s->last_gtk_len);
 499                 return res;
 500 #endif /* CONFIG_TESTING_GET_GTK */
 501         } else if (os_strcmp(cmd, "tls_library") == 0) {
 502                 res = tls_get_library_version(buf, buflen);
 503         } else {
 504                 res = wpa_config_get_value(cmd, wpa_s->conf, buf, buflen);
 505         }
 506
 507         if (os_snprintf_error(buflen, res))
 508                 return -1;
 509         return res;
 510 }
 511
 512
 513 #ifdef IEEE8021X_EAPOL
 514 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
 515                                              char *addr)
 516 {
 517         u8 bssid[ETH_ALEN];
 518         struct wpa_ssid *ssid = wpa_s->current_ssid;
 519
 520         if (hwaddr_aton(addr, bssid)) {
 521                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
 522                            "'%s'", addr);
 523                 return -1;
 524         }
 525
 526         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
 527         rsn_preauth_deinit(wpa_s->wpa);
 528         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
 529                 return -1;
 530
 531         return 0;
 532 }
 533 #endif /* IEEE8021X_EAPOL */
 534
 535
 536 #ifdef CONFIG_PEERKEY
 537 /* MLME-STKSTART.request(peer) */
 538 static int wpa_supplicant_ctrl_iface_stkstart(
 539         struct wpa_supplicant *wpa_s, char *addr)
 540 {
 541         u8 peer[ETH_ALEN];
 542
 543         if (hwaddr_aton(addr, peer)) {
 544                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
 545                            "address '%s'", addr);
 546                 return -1;
 547         }
 548
 549         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
 550                    MAC2STR(peer));
 551
 552         return wpa_sm_stkstart(wpa_s->wpa, peer);
 553 }
 554 #endif /* CONFIG_PEERKEY */
 555
 556
 557 #ifdef CONFIG_TDLS
 558
 559 static int wpa_supplicant_ctrl_iface_tdls_discover(
 560         struct wpa_supplicant *wpa_s, char *addr)
 561 {
 562         u8 peer[ETH_ALEN];
 563         int ret;
 564
 565         if (hwaddr_aton(addr, peer)) {
 566                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
 567                            "address '%s'", addr);
 568                 return -1;
 569         }
 570
 571         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
 572                    MAC2STR(peer));
 573
 574         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 575                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
 576         else
 577                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
 578
 579         return ret;
 580 }
 581
 582
 583 static int wpa_supplicant_ctrl_iface_tdls_setup(
 584         struct wpa_supplicant *wpa_s, char *addr)
 585 {
 586         u8 peer[ETH_ALEN];
 587         int ret;
 588
 589         if (hwaddr_aton(addr, peer)) {
 590                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
 591                            "address '%s'", addr);
 592                 return -1;
 593         }
 594
 595         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
 596                    MAC2STR(peer));
 597
 598         if ((wpa_s->conf->tdls_external_control) &&
 599             wpa_tdls_is_external_setup(wpa_s->wpa))
 600                 return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 601
 602         wpa_tdls_remove(wpa_s->wpa, peer);
 603
 604         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 605                 ret = wpa_tdls_start(wpa_s->wpa, peer);
 606         else
 607                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 608
 609         return ret;
 610 }
 611
 612
 613 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 614         struct wpa_supplicant *wpa_s, char *addr)
 615 {
 616         u8 peer[ETH_ALEN];
 617         int ret;
 618
 619         if (os_strcmp(addr, "*") == 0) {
 620                 /* remove everyone */
 621                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN *");
 622                 wpa_tdls_teardown_peers(wpa_s->wpa);
 623                 return 0;
 624         }
 625
 626         if (hwaddr_aton(addr, peer)) {
 627                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 628                            "address '%s'", addr);
 629                 return -1;
 630         }
 631
 632         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 633                    MAC2STR(peer));
 634
 635         if ((wpa_s->conf->tdls_external_control) &&
 636             wpa_tdls_is_external_setup(wpa_s->wpa))
 637                 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 638
 639         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 640                 ret = wpa_tdls_teardown_link(
 641                         wpa_s->wpa, peer,
 642                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 643         else
 644                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 645
 646         return ret;
 647 }
 648
 649
 650 static int ctrl_iface_get_capability_tdls(
 651         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
 652 {
 653         int ret;
 654
 655         ret = os_snprintf(buf, buflen, "%s\n",
 656                           wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
 657                           (wpa_s->drv_flags &
 658                            WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
 659                            "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
 660         if (os_snprintf_error(buflen, ret))
 661                 return -1;
 662         return ret;
 663 }
 664
 665
 666 static int wpa_supplicant_ctrl_iface_tdls_chan_switch(
 667         struct wpa_supplicant *wpa_s, char *cmd)
 668 {
 669         u8 peer[ETH_ALEN];
 670         struct hostapd_freq_params freq_params;
 671         u8 oper_class;
 672         char *pos, *end;
 673
 674         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
 675                 wpa_printf(MSG_INFO,
 676                            "tdls_chanswitch: Only supported with external setup");
 677                 return -1;
 678         }
 679
 680         os_memset(&freq_params, 0, sizeof(freq_params));
 681
 682         pos = os_strchr(cmd, ' ');
 683         if (pos == NULL)
 684                 return -1;
 685         *pos++ = '\0';
 686
 687         oper_class = strtol(pos, &end, 10);
 688         if (pos == end) {
 689                 wpa_printf(MSG_INFO,
 690                            "tdls_chanswitch: Invalid op class provided");
 691                 return -1;
 692         }
 693
 694         pos = end;
 695         freq_params.freq = atoi(pos);
 696         if (freq_params.freq == 0) {
 697                 wpa_printf(MSG_INFO, "tdls_chanswitch: Invalid freq provided");
 698                 return -1;
 699         }
 700
 701 #define SET_FREQ_SETTING(str) \
 702         do { \
 703                 const char *pos2 = os_strstr(pos, " " #str "="); \
 704                 if (pos2) { \
 705                         pos2 += sizeof(" " #str "=") - 1; \
 706                         freq_params.str = atoi(pos2); \
 707                 } \
 708         } while (0)
 709
 710         SET_FREQ_SETTING(center_freq1);
 711         SET_FREQ_SETTING(center_freq2);
 712         SET_FREQ_SETTING(bandwidth);
 713         SET_FREQ_SETTING(sec_channel_offset);
 714 #undef SET_FREQ_SETTING
 715
 716         freq_params.ht_enabled = !!os_strstr(pos, " ht");
 717         freq_params.vht_enabled = !!os_strstr(pos, " vht");
 718
 719         if (hwaddr_aton(cmd, peer)) {
 720                 wpa_printf(MSG_DEBUG,
 721                            "CTRL_IFACE TDLS_CHAN_SWITCH: Invalid address '%s'",
 722                            cmd);
 723                 return -1;
 724         }
 725
 726         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CHAN_SWITCH " MACSTR
 727                    " OP CLASS %d FREQ %d CENTER1 %d CENTER2 %d BW %d SEC_OFFSET %d%s%s",
 728                    MAC2STR(peer), oper_class, freq_params.freq,
 729                    freq_params.center_freq1, freq_params.center_freq2,
 730                    freq_params.bandwidth, freq_params.sec_channel_offset,
 731                    freq_params.ht_enabled ? " HT" : "",
 732                    freq_params.vht_enabled ? " VHT" : "");
 733
 734         return wpa_tdls_enable_chan_switch(wpa_s->wpa, peer, oper_class,
 735                                            &freq_params);
 736 }
 737
 738
 739 static int wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(
 740         struct wpa_supplicant *wpa_s, char *cmd)
 741 {
 742         u8 peer[ETH_ALEN];
 743
 744         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
 745                 wpa_printf(MSG_INFO,
 746                            "tdls_chanswitch: Only supported with external setup");
 747                 return -1;
 748         }
 749
 750         if (hwaddr_aton(cmd, peer)) {
 751                 wpa_printf(MSG_DEBUG,
 752                            "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH: Invalid address '%s'",
 753                            cmd);
 754                 return -1;
 755         }
 756
 757         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH " MACSTR,
 758                    MAC2STR(peer));
 759
 760         return wpa_tdls_disable_chan_switch(wpa_s->wpa, peer);
 761 }
 762
 763
 764 static int wpa_supplicant_ctrl_iface_tdls_link_status(
 765         struct wpa_supplicant *wpa_s, const char *addr,
 766         char *buf, size_t buflen)
 767 {
 768         u8 peer[ETH_ALEN];
 769         const char *tdls_status;
 770         int ret;
 771
 772         if (hwaddr_aton(addr, peer)) {
 773                 wpa_printf(MSG_DEBUG,
 774                            "CTRL_IFACE TDLS_LINK_STATUS: Invalid address '%s'",
 775                            addr);
 776                 return -1;
 777         }
 778         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS " MACSTR,
 779                    MAC2STR(peer));
 780
 781         tdls_status = wpa_tdls_get_link_status(wpa_s->wpa, peer);
 782         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS: %s", tdls_status);
 783         ret = os_snprintf(buf, buflen, "TDLS link status: %s\n", tdls_status);
 784         if (os_snprintf_error(buflen, ret))
 785                 return -1;
 786
 787         return ret;
 788 }
 789
 790 #endif /* CONFIG_TDLS */
 791
 792
 793 static int wmm_ac_ctrl_addts(struct wpa_supplicant *wpa_s, char *cmd)
 794 {
 795         char *token, *context = NULL;
 796         struct wmm_ac_ts_setup_params params = {
 797                 .tsid = 0xff,
 798                 .direction = 0xff,
 799         };
 800
 801         while ((token = str_token(cmd, " ", &context))) {
 802                 if (sscanf(token, "tsid=%i", &params.tsid) == 1 ||
 803                     sscanf(token, "up=%i", &params.user_priority) == 1 ||
 804                     sscanf(token, "nominal_msdu_size=%i",
 805                            &params.nominal_msdu_size) == 1 ||
 806                     sscanf(token, "mean_data_rate=%i",
 807                            &params.mean_data_rate) == 1 ||
 808                     sscanf(token, "min_phy_rate=%i",
 809                            &params.minimum_phy_rate) == 1 ||
 810                     sscanf(token, "sba=%i",
 811                            &params.surplus_bandwidth_allowance) == 1)
 812                         continue;
 813
 814                 if (os_strcasecmp(token, "downlink") == 0) {
 815                         params.direction = WMM_TSPEC_DIRECTION_DOWNLINK;
 816                 } else if (os_strcasecmp(token, "uplink") == 0) {
 817                         params.direction = WMM_TSPEC_DIRECTION_UPLINK;
 818                 } else if (os_strcasecmp(token, "bidi") == 0) {
 819                         params.direction = WMM_TSPEC_DIRECTION_BI_DIRECTIONAL;
 820                 } else if (os_strcasecmp(token, "fixed_nominal_msdu") == 0) {
 821                         params.fixed_nominal_msdu = 1;
 822                 } else {
 823                         wpa_printf(MSG_DEBUG,
 824                                    "CTRL: Invalid WMM_AC_ADDTS parameter: '%s'",
 825                                    token);
 826                         return -1;
 827                 }
 828
 829         }
 830
 831         return wpas_wmm_ac_addts(wpa_s, &params);
 832 }
 833
 834
 835 static int wmm_ac_ctrl_delts(struct wpa_supplicant *wpa_s, char *cmd)
 836 {
 837         u8 tsid = atoi(cmd);
 838
 839         return wpas_wmm_ac_delts(wpa_s, tsid);
 840 }
 841
 842
 843 #ifdef CONFIG_IEEE80211R
 844 static int wpa_supplicant_ctrl_iface_ft_ds(
 845         struct wpa_supplicant *wpa_s, char *addr)
 846 {
 847         u8 target_ap[ETH_ALEN];
 848         struct wpa_bss *bss;
 849         const u8 *mdie;
 850
 851         if (hwaddr_aton(addr, target_ap)) {
 852                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 853                            "address '%s'", addr);
 854                 return -1;
 855         }
 856
 857         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 858
 859         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 860         if (bss)
 861                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 862         else
 863                 mdie = NULL;
 864
 865         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 866 }
 867 #endif /* CONFIG_IEEE80211R */
 868
 869
 870 #ifdef CONFIG_WPS
 871 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 872                                              char *cmd)
 873 {
 874         u8 bssid[ETH_ALEN], *_bssid = bssid;
 875 #ifdef CONFIG_P2P
 876         u8 p2p_dev_addr[ETH_ALEN];
 877 #endif /* CONFIG_P2P */
 878 #ifdef CONFIG_AP
 879         u8 *_p2p_dev_addr = NULL;
 880 #endif /* CONFIG_AP */
 881
 882         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 883                 _bssid = NULL;
 884 #ifdef CONFIG_P2P
 885         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 886                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 887                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 888                                    "P2P Device Address '%s'",
 889                                    cmd + 13);
 890                         return -1;
 891                 }
 892                 _p2p_dev_addr = p2p_dev_addr;
 893 #endif /* CONFIG_P2P */
 894         } else if (hwaddr_aton(cmd, bssid)) {
 895                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 896                            cmd);
 897                 return -1;
 898         }
 899
 900 #ifdef CONFIG_AP
 901         if (wpa_s->ap_iface)
 902                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 903 #endif /* CONFIG_AP */
 904
 905         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 906 }
 907
 908
 909 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 910                                              char *cmd, char *buf,
 911                                              size_t buflen)
 912 {
 913         u8 bssid[ETH_ALEN], *_bssid = bssid;
 914         char *pin;
 915         int ret;
 916
 917         pin = os_strchr(cmd, ' ');
 918         if (pin)
 919                 *pin++ = '\0';
 920
 921         if (os_strcmp(cmd, "any") == 0)
 922                 _bssid = NULL;
 923         else if (os_strcmp(cmd, "get") == 0) {
 924                 ret = wps_generate_pin();
 925                 goto done;
 926         } else if (hwaddr_aton(cmd, bssid)) {
 927                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 928                            cmd);
 929                 return -1;
 930         }
 931
 932 #ifdef CONFIG_AP
 933         if (wpa_s->ap_iface) {
 934                 int timeout = 0;
 935                 char *pos;
 936
 937                 if (pin) {
 938                         pos = os_strchr(pin, ' ');
 939                         if (pos) {
 940                                 *pos++ = '\0';
 941                                 timeout = atoi(pos);
 942                         }
 943                 }
 944
 945                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 946                                                  buf, buflen, timeout);
 947         }
 948 #endif /* CONFIG_AP */
 949
 950         if (pin) {
 951                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 952                                          DEV_PW_DEFAULT);
 953                 if (ret < 0)
 954                         return -1;
 955                 ret = os_snprintf(buf, buflen, "%s", pin);
 956                 if (os_snprintf_error(buflen, ret))
 957                         return -1;
 958                 return ret;
 959         }
 960
 961         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 962         if (ret < 0)
 963                 return -1;
 964
 965 done:
 966         /* Return the generated PIN */
 967         ret = os_snprintf(buf, buflen, "%08d", ret);
 968         if (os_snprintf_error(buflen, ret))
 969                 return -1;
 970         return ret;
 971 }
 972
 973
 974 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 975         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 976 {
 977         char pin[9];
 978         size_t len;
 979         char *pos;
 980         int ret;
 981
 982         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
 983                               (u8 *) cmd, os_strlen(cmd));
 984         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
 985                 if (*pos < '0' || *pos > '9')
 986                         continue;
 987                 pin[len++] = *pos;
 988                 if (len == 9) {
 989                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
 990                         return -1;
 991                 }
 992         }
 993         if (len != 4 && len != 8) {
 994                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
 995                 return -1;
 996         }
 997         pin[len] = '\0';
 998
 999         if (len == 8) {
1000                 unsigned int pin_val;
1001                 pin_val = atoi(pin);
1002                 if (!wps_pin_valid(pin_val)) {
1003                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
1004                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
1005                         if (os_snprintf_error(buflen, ret))
1006                                 return -1;
1007                         return ret;
1008                 }
1009         }
1010
1011         ret = os_snprintf(buf, buflen, "%s", pin);
1012         if (os_snprintf_error(buflen, ret))
1013                 return -1;
1014
1015         return ret;
1016 }
1017
1018
1019 #ifdef CONFIG_WPS_NFC
1020
1021 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
1022                                              char *cmd)
1023 {
1024         u8 bssid[ETH_ALEN], *_bssid = bssid;
1025
1026         if (cmd == NULL || cmd[0] == '\0')
1027                 _bssid = NULL;
1028         else if (hwaddr_aton(cmd, bssid))
1029                 return -1;
1030
1031         return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
1032                                   0, 0);
1033 }
1034
1035
1036 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
1037         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1038 {
1039         int ndef;
1040         struct wpabuf *buf;
1041         int res;
1042         char *pos;
1043
1044         pos = os_strchr(cmd, ' ');
1045         if (pos)
1046                 *pos++ = '\0';
1047         if (os_strcmp(cmd, "WPS") == 0)
1048                 ndef = 0;
1049         else if (os_strcmp(cmd, "NDEF") == 0)
1050                 ndef = 1;
1051         else
1052                 return -1;
1053
1054         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
1055         if (buf == NULL)
1056                 return -1;
1057
1058         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1059                                          wpabuf_len(buf));
1060         reply[res++] = '\n';
1061         reply[res] = '\0';
1062
1063         wpabuf_free(buf);
1064
1065         return res;
1066 }
1067
1068
1069 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
1070         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1071 {
1072         int ndef;
1073         struct wpabuf *buf;
1074         int res;
1075
1076         if (os_strcmp(cmd, "WPS") == 0)
1077                 ndef = 0;
1078         else if (os_strcmp(cmd, "NDEF") == 0)
1079                 ndef = 1;
1080         else
1081                 return -1;
1082
1083         buf = wpas_wps_nfc_token(wpa_s, ndef);
1084         if (buf == NULL)
1085                 return -1;
1086
1087         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1088                                          wpabuf_len(buf));
1089         reply[res++] = '\n';
1090         reply[res] = '\0';
1091
1092         wpabuf_free(buf);
1093
1094         return res;
1095 }
1096
1097
1098 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
1099         struct wpa_supplicant *wpa_s, char *pos)
1100 {
1101         size_t len;
1102         struct wpabuf *buf;
1103         int ret;
1104         char *freq;
1105         int forced_freq = 0;
1106
1107         freq = strstr(pos, " freq=");
1108         if (freq) {
1109                 *freq = '\0';
1110                 freq += 6;
1111                 forced_freq = atoi(freq);
1112         }
1113
1114         len = os_strlen(pos);
1115         if (len & 0x01)
1116                 return -1;
1117         len /= 2;
1118
1119         buf = wpabuf_alloc(len);
1120         if (buf == NULL)
1121                 return -1;
1122         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
1123                 wpabuf_free(buf);
1124                 return -1;
1125         }
1126
1127         ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
1128         wpabuf_free(buf);
1129
1130         return ret;
1131 }
1132
1133
1134 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
1135                                               char *reply, size_t max_len,
1136                                               int ndef)
1137 {
1138         struct wpabuf *buf;
1139         int res;
1140
1141         buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
1142         if (buf == NULL)
1143                 return -1;
1144
1145         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1146                                          wpabuf_len(buf));
1147         reply[res++] = '\n';
1148         reply[res] = '\0';
1149
1150         wpabuf_free(buf);
1151
1152         return res;
1153 }
1154
1155
1156 #ifdef CONFIG_P2P
1157 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
1158                                               char *reply, size_t max_len,
1159                                               int ndef)
1160 {
1161         struct wpabuf *buf;
1162         int res;
1163
1164         buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
1165         if (buf == NULL) {
1166                 wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
1167                 return -1;
1168         }
1169
1170         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1171                                          wpabuf_len(buf));
1172         reply[res++] = '\n';
1173         reply[res] = '\0';
1174
1175         wpabuf_free(buf);
1176
1177         return res;
1178 }
1179 #endif /* CONFIG_P2P */
1180
1181
1182 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
1183                                           char *cmd, char *reply,
1184                                           size_t max_len)
1185 {
1186         char *pos;
1187         int ndef;
1188
1189         pos = os_strchr(cmd, ' ');
1190         if (pos == NULL)
1191                 return -1;
1192         *pos++ = '\0';
1193
1194         if (os_strcmp(cmd, "WPS") == 0)
1195                 ndef = 0;
1196         else if (os_strcmp(cmd, "NDEF") == 0)
1197                 ndef = 1;
1198         else
1199                 return -1;
1200
1201         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1202                 if (!ndef)
1203                         return -1;
1204                 return wpas_ctrl_nfc_get_handover_req_wps(
1205                         wpa_s, reply, max_len, ndef);
1206         }
1207
1208 #ifdef CONFIG_P2P
1209         if (os_strcmp(pos, "P2P-CR") == 0) {
1210                 return wpas_ctrl_nfc_get_handover_req_p2p(
1211                         wpa_s, reply, max_len, ndef);
1212         }
1213 #endif /* CONFIG_P2P */
1214
1215         return -1;
1216 }
1217
1218
1219 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1220                                               char *reply, size_t max_len,
1221                                               int ndef, int cr, char *uuid)
1222 {
1223         struct wpabuf *buf;
1224         int res;
1225
1226         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1227         if (buf == NULL)
1228                 return -1;
1229
1230         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1231                                          wpabuf_len(buf));
1232         reply[res++] = '\n';
1233         reply[res] = '\0';
1234
1235         wpabuf_free(buf);
1236
1237         return res;
1238 }
1239
1240
1241 #ifdef CONFIG_P2P
1242 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1243                                               char *reply, size_t max_len,
1244                                               int ndef, int tag)
1245 {
1246         struct wpabuf *buf;
1247         int res;
1248
1249         buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1250         if (buf == NULL)
1251                 return -1;
1252
1253         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1254                                          wpabuf_len(buf));
1255         reply[res++] = '\n';
1256         reply[res] = '\0';
1257
1258         wpabuf_free(buf);
1259
1260         return res;
1261 }
1262 #endif /* CONFIG_P2P */
1263
1264
1265 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1266                                           char *cmd, char *reply,
1267                                           size_t max_len)
1268 {
1269         char *pos, *pos2;
1270         int ndef;
1271
1272         pos = os_strchr(cmd, ' ');
1273         if (pos == NULL)
1274                 return -1;
1275         *pos++ = '\0';
1276
1277         if (os_strcmp(cmd, "WPS") == 0)
1278                 ndef = 0;
1279         else if (os_strcmp(cmd, "NDEF") == 0)
1280                 ndef = 1;
1281         else
1282                 return -1;
1283
1284         pos2 = os_strchr(pos, ' ');
1285         if (pos2)
1286                 *pos2++ = '\0';
1287         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1288                 if (!ndef)
1289                         return -1;
1290                 return wpas_ctrl_nfc_get_handover_sel_wps(
1291                         wpa_s, reply, max_len, ndef,
1292                         os_strcmp(pos, "WPS-CR") == 0, pos2);
1293         }
1294
1295 #ifdef CONFIG_P2P
1296         if (os_strcmp(pos, "P2P-CR") == 0) {
1297                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1298                         wpa_s, reply, max_len, ndef, 0);
1299         }
1300
1301         if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1302                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1303                         wpa_s, reply, max_len, ndef, 1);
1304         }
1305 #endif /* CONFIG_P2P */
1306
1307         return -1;
1308 }
1309
1310
1311 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1312                                          char *cmd)
1313 {
1314         size_t len;
1315         struct wpabuf *req, *sel;
1316         int ret;
1317         char *pos, *role, *type, *pos2;
1318 #ifdef CONFIG_P2P
1319         char *freq;
1320         int forced_freq = 0;
1321
1322         freq = strstr(cmd, " freq=");
1323         if (freq) {
1324                 *freq = '\0';
1325                 freq += 6;
1326                 forced_freq = atoi(freq);
1327         }
1328 #endif /* CONFIG_P2P */
1329
1330         role = cmd;
1331         pos = os_strchr(role, ' ');
1332         if (pos == NULL) {
1333                 wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1334                 return -1;
1335         }
1336         *pos++ = '\0';
1337
1338         type = pos;
1339         pos = os_strchr(type, ' ');
1340         if (pos == NULL) {
1341                 wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1342                 return -1;
1343         }
1344         *pos++ = '\0';
1345
1346         pos2 = os_strchr(pos, ' ');
1347         if (pos2 == NULL) {
1348                 wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1349                 return -1;
1350         }
1351         *pos2++ = '\0';
1352
1353         len = os_strlen(pos);
1354         if (len & 0x01) {
1355                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1356                 return -1;
1357         }
1358         len /= 2;
1359
1360         req = wpabuf_alloc(len);
1361         if (req == NULL) {
1362                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1363                 return -1;
1364         }
1365         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1366                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1367                 wpabuf_free(req);
1368                 return -1;
1369         }
1370
1371         len = os_strlen(pos2);
1372         if (len & 0x01) {
1373                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1374                 wpabuf_free(req);
1375                 return -1;
1376         }
1377         len /= 2;
1378
1379         sel = wpabuf_alloc(len);
1380         if (sel == NULL) {
1381                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1382                 wpabuf_free(req);
1383                 return -1;
1384         }
1385         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1386                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1387                 wpabuf_free(req);
1388                 wpabuf_free(sel);
1389                 return -1;
1390         }
1391
1392         wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1393                    role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1394
1395         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1396                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1397 #ifdef CONFIG_AP
1398         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1399         {
1400                 ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1401                 if (ret < 0)
1402                         ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1403 #endif /* CONFIG_AP */
1404 #ifdef CONFIG_P2P
1405         } else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1406         {
1407                 ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1408         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1409         {
1410                 ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1411                                                    forced_freq);
1412 #endif /* CONFIG_P2P */
1413         } else {
1414                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1415                            "reported: role=%s type=%s", role, type);
1416                 ret = -1;
1417         }
1418         wpabuf_free(req);
1419         wpabuf_free(sel);
1420
1421         if (ret)
1422                 wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1423
1424         return ret;
1425 }
1426
1427 #endif /* CONFIG_WPS_NFC */
1428
1429
1430 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1431                                              char *cmd)
1432 {
1433         u8 bssid[ETH_ALEN];
1434         char *pin;
1435         char *new_ssid;
1436         char *new_auth;
1437         char *new_encr;
1438         char *new_key;
1439         struct wps_new_ap_settings ap;
1440
1441         pin = os_strchr(cmd, ' ');
1442         if (pin == NULL)
1443                 return -1;
1444         *pin++ = '\0';
1445
1446         if (hwaddr_aton(cmd, bssid)) {
1447                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1448                            cmd);
1449                 return -1;
1450         }
1451
1452         new_ssid = os_strchr(pin, ' ');
1453         if (new_ssid == NULL)
1454                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1455         *new_ssid++ = '\0';
1456
1457         new_auth = os_strchr(new_ssid, ' ');
1458         if (new_auth == NULL)
1459                 return -1;
1460         *new_auth++ = '\0';
1461
1462         new_encr = os_strchr(new_auth, ' ');
1463         if (new_encr == NULL)
1464                 return -1;
1465         *new_encr++ = '\0';
1466
1467         new_key = os_strchr(new_encr, ' ');
1468         if (new_key == NULL)
1469                 return -1;
1470         *new_key++ = '\0';
1471
1472         os_memset(&ap, 0, sizeof(ap));
1473         ap.ssid_hex = new_ssid;
1474         ap.auth = new_auth;
1475         ap.encr = new_encr;
1476         ap.key_hex = new_key;
1477         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1478 }
1479
1480
1481 #ifdef CONFIG_AP
1482 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1483                                                 char *cmd, char *buf,
1484                                                 size_t buflen)
1485 {
1486         int timeout = 300;
1487         char *pos;
1488         const char *pin_txt;
1489
1490         if (!wpa_s->ap_iface)
1491                 return -1;
1492
1493         pos = os_strchr(cmd, ' ');
1494         if (pos)
1495                 *pos++ = '\0';
1496
1497         if (os_strcmp(cmd, "disable") == 0) {
1498                 wpas_wps_ap_pin_disable(wpa_s);
1499                 return os_snprintf(buf, buflen, "OK\n");
1500         }
1501
1502         if (os_strcmp(cmd, "random") == 0) {
1503                 if (pos)
1504                         timeout = atoi(pos);
1505                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1506                 if (pin_txt == NULL)
1507                         return -1;
1508                 return os_snprintf(buf, buflen, "%s", pin_txt);
1509         }
1510
1511         if (os_strcmp(cmd, "get") == 0) {
1512                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1513                 if (pin_txt == NULL)
1514                         return -1;
1515                 return os_snprintf(buf, buflen, "%s", pin_txt);
1516         }
1517
1518         if (os_strcmp(cmd, "set") == 0) {
1519                 char *pin;
1520                 if (pos == NULL)
1521                         return -1;
1522                 pin = pos;
1523                 pos = os_strchr(pos, ' ');
1524                 if (pos) {
1525                         *pos++ = '\0';
1526                         timeout = atoi(pos);
1527                 }
1528                 if (os_strlen(pin) > buflen)
1529                         return -1;
1530                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1531                         return -1;
1532                 return os_snprintf(buf, buflen, "%s", pin);
1533         }
1534
1535         return -1;
1536 }
1537 #endif /* CONFIG_AP */
1538
1539
1540 #ifdef CONFIG_WPS_ER
1541 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1542                                                 char *cmd)
1543 {
1544         char *uuid = cmd, *pin, *pos;
1545         u8 addr_buf[ETH_ALEN], *addr = NULL;
1546         pin = os_strchr(uuid, ' ');
1547         if (pin == NULL)
1548                 return -1;
1549         *pin++ = '\0';
1550         pos = os_strchr(pin, ' ');
1551         if (pos) {
1552                 *pos++ = '\0';
1553                 if (hwaddr_aton(pos, addr_buf) == 0)
1554                         addr = addr_buf;
1555         }
1556         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1557 }
1558
1559
1560 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1561                                                   char *cmd)
1562 {
1563         char *uuid = cmd, *pin;
1564         pin = os_strchr(uuid, ' ');
1565         if (pin == NULL)
1566                 return -1;
1567         *pin++ = '\0';
1568         return wpas_wps_er_learn(wpa_s, uuid, pin);
1569 }
1570
1571
1572 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1573         struct wpa_supplicant *wpa_s, char *cmd)
1574 {
1575         char *uuid = cmd, *id;
1576         id = os_strchr(uuid, ' ');
1577         if (id == NULL)
1578                 return -1;
1579         *id++ = '\0';
1580         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1581 }
1582
1583
1584 static int wpa_supplicant_ctrl_iface_wps_er_config(
1585         struct wpa_supplicant *wpa_s, char *cmd)
1586 {
1587         char *pin;
1588         char *new_ssid;
1589         char *new_auth;
1590         char *new_encr;
1591         char *new_key;
1592         struct wps_new_ap_settings ap;
1593
1594         pin = os_strchr(cmd, ' ');
1595         if (pin == NULL)
1596                 return -1;
1597         *pin++ = '\0';
1598
1599         new_ssid = os_strchr(pin, ' ');
1600         if (new_ssid == NULL)
1601                 return -1;
1602         *new_ssid++ = '\0';
1603
1604         new_auth = os_strchr(new_ssid, ' ');
1605         if (new_auth == NULL)
1606                 return -1;
1607         *new_auth++ = '\0';
1608
1609         new_encr = os_strchr(new_auth, ' ');
1610         if (new_encr == NULL)
1611                 return -1;
1612         *new_encr++ = '\0';
1613
1614         new_key = os_strchr(new_encr, ' ');
1615         if (new_key == NULL)
1616                 return -1;
1617         *new_key++ = '\0';
1618
1619         os_memset(&ap, 0, sizeof(ap));
1620         ap.ssid_hex = new_ssid;
1621         ap.auth = new_auth;
1622         ap.encr = new_encr;
1623         ap.key_hex = new_key;
1624         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1625 }
1626
1627
1628 #ifdef CONFIG_WPS_NFC
1629 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1630         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1631 {
1632         int ndef;
1633         struct wpabuf *buf;
1634         int res;
1635         char *uuid;
1636
1637         uuid = os_strchr(cmd, ' ');
1638         if (uuid == NULL)
1639                 return -1;
1640         *uuid++ = '\0';
1641
1642         if (os_strcmp(cmd, "WPS") == 0)
1643                 ndef = 0;
1644         else if (os_strcmp(cmd, "NDEF") == 0)
1645                 ndef = 1;
1646         else
1647                 return -1;
1648
1649         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1650         if (buf == NULL)
1651                 return -1;
1652
1653         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1654                                          wpabuf_len(buf));
1655         reply[res++] = '\n';
1656         reply[res] = '\0';
1657
1658         wpabuf_free(buf);
1659
1660         return res;
1661 }
1662 #endif /* CONFIG_WPS_NFC */
1663 #endif /* CONFIG_WPS_ER */
1664
1665 #endif /* CONFIG_WPS */
1666
1667
1668 #ifdef CONFIG_IBSS_RSN
1669 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1670         struct wpa_supplicant *wpa_s, char *addr)
1671 {
1672         u8 peer[ETH_ALEN];
1673
1674         if (hwaddr_aton(addr, peer)) {
1675                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1676                            "address '%s'", addr);
1677                 return -1;
1678         }
1679
1680         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1681                    MAC2STR(peer));
1682
1683         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1684 }
1685 #endif /* CONFIG_IBSS_RSN */
1686
1687
1688 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1689                                               char *rsp)
1690 {
1691 #ifdef IEEE8021X_EAPOL
1692         char *pos, *id_pos;
1693         int id;
1694         struct wpa_ssid *ssid;
1695
1696         pos = os_strchr(rsp, '-');
1697         if (pos == NULL)
1698                 return -1;
1699         *pos++ = '\0';
1700         id_pos = pos;
1701         pos = os_strchr(pos, ':');
1702         if (pos == NULL)
1703                 return -1;
1704         *pos++ = '\0';
1705         id = atoi(id_pos);
1706         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1707         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1708                               (u8 *) pos, os_strlen(pos));
1709
1710         ssid = wpa_config_get_network(wpa_s->conf, id);
1711         if (ssid == NULL) {
1712                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1713                            "to update", id);
1714                 return -1;
1715         }
1716
1717         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1718                                                          pos);
1719 #else /* IEEE8021X_EAPOL */
1720         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1721         return -1;
1722 #endif /* IEEE8021X_EAPOL */
1723 }
1724
1725
1726 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1727                                             const char *params,
1728                                             char *buf, size_t buflen)
1729 {
1730         char *pos, *end, tmp[30];
1731         int res, verbose, wps, ret;
1732 #ifdef CONFIG_HS20
1733         const u8 *hs20;
1734 #endif /* CONFIG_HS20 */
1735         const u8 *sess_id;
1736         size_t sess_id_len;
1737
1738         if (os_strcmp(params, "-DRIVER") == 0)
1739                 return wpa_drv_status(wpa_s, buf, buflen);
1740         verbose = os_strcmp(params, "-VERBOSE") == 0;
1741         wps = os_strcmp(params, "-WPS") == 0;
1742         pos = buf;
1743         end = buf + buflen;
1744         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1745                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1746                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1747                                   MAC2STR(wpa_s->bssid));
1748                 if (os_snprintf_error(end - pos, ret))
1749                         return pos - buf;
1750                 pos += ret;
1751                 ret = os_snprintf(pos, end - pos, "freq=%u\n",
1752                                   wpa_s->assoc_freq);
1753                 if (os_snprintf_error(end - pos, ret))
1754                         return pos - buf;
1755                 pos += ret;
1756                 if (ssid) {
1757                         u8 *_ssid = ssid->ssid;
1758                         size_t ssid_len = ssid->ssid_len;
1759                         u8 ssid_buf[SSID_MAX_LEN];
1760                         if (ssid_len == 0) {
1761                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1762                                 if (_res < 0)
1763                                         ssid_len = 0;
1764                                 else
1765                                         ssid_len = _res;
1766                                 _ssid = ssid_buf;
1767                         }
1768                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1769                                           wpa_ssid_txt(_ssid, ssid_len),
1770                                           ssid->id);
1771                         if (os_snprintf_error(end - pos, ret))
1772                                 return pos - buf;
1773                         pos += ret;
1774
1775                         if (wps && ssid->passphrase &&
1776                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1777                             (ssid->mode == WPAS_MODE_AP ||
1778                              ssid->mode == WPAS_MODE_P2P_GO)) {
1779                                 ret = os_snprintf(pos, end - pos,
1780                                                   "passphrase=%s\n",
1781                                                   ssid->passphrase);
1782                                 if (os_snprintf_error(end - pos, ret))
1783                                         return pos - buf;
1784                                 pos += ret;
1785                         }
1786                         if (ssid->id_str) {
1787                                 ret = os_snprintf(pos, end - pos,
1788                                                   "id_str=%s\n",
1789                                                   ssid->id_str);
1790                                 if (os_snprintf_error(end - pos, ret))
1791                                         return pos - buf;
1792                                 pos += ret;
1793                         }
1794
1795                         switch (ssid->mode) {
1796                         case WPAS_MODE_INFRA:
1797                                 ret = os_snprintf(pos, end - pos,
1798                                                   "mode=station\n");
1799                                 break;
1800                         case WPAS_MODE_IBSS:
1801                                 ret = os_snprintf(pos, end - pos,
1802                                                   "mode=IBSS\n");
1803                                 break;
1804                         case WPAS_MODE_AP:
1805                                 ret = os_snprintf(pos, end - pos,
1806                                                   "mode=AP\n");
1807                                 break;
1808                         case WPAS_MODE_P2P_GO:
1809                                 ret = os_snprintf(pos, end - pos,
1810                                                   "mode=P2P GO\n");
1811                                 break;
1812                         case WPAS_MODE_P2P_GROUP_FORMATION:
1813                                 ret = os_snprintf(pos, end - pos,
1814                                                   "mode=P2P GO - group "
1815                                                   "formation\n");
1816                                 break;
1817                         default:
1818                                 ret = 0;
1819                                 break;
1820                         }
1821                         if (os_snprintf_error(end - pos, ret))
1822                                 return pos - buf;
1823                         pos += ret;
1824                 }
1825
1826 #ifdef CONFIG_AP
1827                 if (wpa_s->ap_iface) {
1828                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1829                                                             end - pos,
1830                                                             verbose);
1831                 } else
1832 #endif /* CONFIG_AP */
1833                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1834         }
1835 #ifdef CONFIG_SAE
1836         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1837 #ifdef CONFIG_AP
1838             !wpa_s->ap_iface &&
1839 #endif /* CONFIG_AP */
1840             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1841                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1842                                   wpa_s->sme.sae.group);
1843                 if (os_snprintf_error(end - pos, ret))
1844                         return pos - buf;
1845                 pos += ret;
1846         }
1847 #endif /* CONFIG_SAE */
1848         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1849                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1850         if (os_snprintf_error(end - pos, ret))
1851                 return pos - buf;
1852         pos += ret;
1853
1854         if (wpa_s->l2 &&
1855             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1856                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1857                 if (os_snprintf_error(end - pos, ret))
1858                         return pos - buf;
1859                 pos += ret;
1860         }
1861
1862 #ifdef CONFIG_P2P
1863         if (wpa_s->global->p2p) {
1864                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1865                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1866                 if (os_snprintf_error(end - pos, ret))
1867                         return pos - buf;
1868                 pos += ret;
1869         }
1870 #endif /* CONFIG_P2P */
1871
1872         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1873                           MAC2STR(wpa_s->own_addr));
1874         if (os_snprintf_error(end - pos, ret))
1875                 return pos - buf;
1876         pos += ret;
1877
1878 #ifdef CONFIG_HS20
1879         if (wpa_s->current_bss &&
1880             (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1881                                           HS20_IE_VENDOR_TYPE)) &&
1882             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1883             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1884                 int release = 1;
1885                 if (hs20[1] >= 5) {
1886                         u8 rel_num = (hs20[6] & 0xf0) >> 4;
1887                         release = rel_num + 1;
1888                 }
1889                 ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
1890                 if (os_snprintf_error(end - pos, ret))
1891                         return pos - buf;
1892                 pos += ret;
1893         }
1894
1895         if (wpa_s->current_ssid) {
1896                 struct wpa_cred *cred;
1897                 char *type;
1898
1899                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1900                         size_t i;
1901
1902                         if (wpa_s->current_ssid->parent_cred != cred)
1903                                 continue;
1904
1905                         if (cred->provisioning_sp) {
1906                                 ret = os_snprintf(pos, end - pos,
1907                                                   "provisioning_sp=%s\n",
1908                                                   cred->provisioning_sp);
1909                                 if (os_snprintf_error(end - pos, ret))
1910                                         return pos - buf;
1911                                 pos += ret;
1912                         }
1913
1914                         if (!cred->domain)
1915                                 goto no_domain;
1916
1917                         i = 0;
1918                         if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
1919                                 struct wpabuf *names =
1920                                         wpa_s->current_bss->anqp->domain_name;
1921                                 for (i = 0; names && i < cred->num_domain; i++)
1922                                 {
1923                                         if (domain_name_list_contains(
1924                                                     names, cred->domain[i], 1))
1925                                                 break;
1926                                 }
1927                                 if (i == cred->num_domain)
1928                                         i = 0; /* show first entry by default */
1929                         }
1930                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1931                                           cred->domain[i]);
1932                         if (os_snprintf_error(end - pos, ret))
1933                                 return pos - buf;
1934                         pos += ret;
1935
1936                 no_domain:
1937                         if (wpa_s->current_bss == NULL ||
1938                             wpa_s->current_bss->anqp == NULL)
1939                                 res = -1;
1940                         else
1941                                 res = interworking_home_sp_cred(
1942                                         wpa_s, cred,
1943                                         wpa_s->current_bss->anqp->domain_name);
1944                         if (res > 0)
1945                                 type = "home";
1946                         else if (res == 0)
1947                                 type = "roaming";
1948                         else
1949                                 type = "unknown";
1950
1951                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1952                         if (os_snprintf_error(end - pos, ret))
1953                                 return pos - buf;
1954                         pos += ret;
1955
1956                         break;
1957                 }
1958         }
1959 #endif /* CONFIG_HS20 */
1960
1961         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1962             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1963                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1964                                           verbose);
1965                 if (res >= 0)
1966                         pos += res;
1967         }
1968
1969         sess_id = eapol_sm_get_session_id(wpa_s->eapol, &sess_id_len);
1970         if (sess_id) {
1971                 char *start = pos;
1972
1973                 ret = os_snprintf(pos, end - pos, "eap_session_id=");
1974                 if (os_snprintf_error(end - pos, ret))
1975                         return start - buf;
1976                 pos += ret;
1977                 ret = wpa_snprintf_hex(pos, end - pos, sess_id, sess_id_len);
1978                 if (ret <= 0)
1979                         return start - buf;
1980                 pos += ret;
1981                 ret = os_snprintf(pos, end - pos, "\n");
1982                 if (os_snprintf_error(end - pos, ret))
1983                         return start - buf;
1984                 pos += ret;
1985         }
1986
1987         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1988         if (res >= 0)
1989                 pos += res;
1990
1991 #ifdef CONFIG_WPS
1992         {
1993                 char uuid_str[100];
1994                 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
1995                 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
1996                 if (os_snprintf_error(end - pos, ret))
1997                         return pos - buf;
1998                 pos += ret;
1999         }
2000 #endif /* CONFIG_WPS */
2001
2002 #ifdef ANDROID
2003         /*
2004          * Allow using the STATUS command with default behavior, say for debug,
2005          * i.e., don't generate a "fake" CONNECTION and SUPPLICANT_STATE_CHANGE
2006          * events with STATUS-NO_EVENTS.
2007          */
2008         if (os_strcmp(params, "-NO_EVENTS")) {
2009                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
2010                              "id=%d state=%d BSSID=" MACSTR " SSID=%s",
2011                              wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
2012                              wpa_s->wpa_state,
2013                              MAC2STR(wpa_s->bssid),
2014                              wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
2015                              wpa_ssid_txt(wpa_s->current_ssid->ssid,
2016                                           wpa_s->current_ssid->ssid_len) : "");
2017                 if (wpa_s->wpa_state == WPA_COMPLETED) {
2018                         struct wpa_ssid *ssid = wpa_s->current_ssid;
2019                         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
2020                                      "- connection to " MACSTR
2021                                      " completed %s [id=%d id_str=%s]",
2022                                      MAC2STR(wpa_s->bssid), "(auth)",
2023                                      ssid ? ssid->id : -1,
2024                                      ssid && ssid->id_str ? ssid->id_str : "");
2025                 }
2026         }
2027 #endif /* ANDROID */
2028
2029         return pos - buf;
2030 }
2031
2032
2033 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
2034                                            char *cmd)
2035 {
2036         char *pos;
2037         int id;
2038         struct wpa_ssid *ssid;
2039         u8 bssid[ETH_ALEN];
2040
2041         /* cmd: "<network id> <BSSID>" */
2042         pos = os_strchr(cmd, ' ');
2043         if (pos == NULL)
2044                 return -1;
2045         *pos++ = '\0';
2046         id = atoi(cmd);
2047         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
2048         if (hwaddr_aton(pos, bssid)) {
2049                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
2050                 return -1;
2051         }
2052
2053         ssid = wpa_config_get_network(wpa_s->conf, id);
2054         if (ssid == NULL) {
2055                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
2056                            "to update", id);
2057                 return -1;
2058         }
2059
2060         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
2061         ssid->bssid_set = !is_zero_ether_addr(bssid);
2062
2063         return 0;
2064 }
2065
2066
2067 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
2068                                                char *cmd, char *buf,
2069                                                size_t buflen)
2070 {
2071         u8 bssid[ETH_ALEN];
2072         struct wpa_blacklist *e;
2073         char *pos, *end;
2074         int ret;
2075
2076         /* cmd: "BLACKLIST [<BSSID>]" */
2077         if (*cmd == '\0') {
2078                 pos = buf;
2079                 end = buf + buflen;
2080                 e = wpa_s->blacklist;
2081                 while (e) {
2082                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
2083                                           MAC2STR(e->bssid));
2084                         if (os_snprintf_error(end - pos, ret))
2085                                 return pos - buf;
2086                         pos += ret;
2087                         e = e->next;
2088                 }
2089                 return pos - buf;
2090         }
2091
2092         cmd++;
2093         if (os_strncmp(cmd, "clear", 5) == 0) {
2094                 wpa_blacklist_clear(wpa_s);
2095                 os_memcpy(buf, "OK\n", 3);
2096                 return 3;
2097         }
2098
2099         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
2100         if (hwaddr_aton(cmd, bssid)) {
2101                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
2102                 return -1;
2103         }
2104
2105         /*
2106          * Add the BSSID twice, so its count will be 2, causing it to be
2107          * skipped when processing scan results.
2108          */
2109         ret = wpa_blacklist_add(wpa_s, bssid);
2110         if (ret < 0)
2111                 return -1;
2112         ret = wpa_blacklist_add(wpa_s, bssid);
2113         if (ret < 0)
2114                 return -1;
2115         os_memcpy(buf, "OK\n", 3);
2116         return 3;
2117 }
2118
2119
2120 static const char * debug_level_str(int level)
2121 {
2122         switch (level) {
2123         case MSG_EXCESSIVE:
2124                 return "EXCESSIVE";
2125         case MSG_MSGDUMP:
2126                 return "MSGDUMP";
2127         case MSG_DEBUG:
2128                 return "DEBUG";
2129         case MSG_INFO:
2130                 return "INFO";
2131         case MSG_WARNING:
2132                 return "WARNING";
2133         case MSG_ERROR:
2134                 return "ERROR";
2135         default:
2136                 return "?";
2137         }
2138 }
2139
2140
2141 static int str_to_debug_level(const char *s)
2142 {
2143         if (os_strcasecmp(s, "EXCESSIVE") == 0)
2144                 return MSG_EXCESSIVE;
2145         if (os_strcasecmp(s, "MSGDUMP") == 0)
2146                 return MSG_MSGDUMP;
2147         if (os_strcasecmp(s, "DEBUG") == 0)
2148                 return MSG_DEBUG;
2149         if (os_strcasecmp(s, "INFO") == 0)
2150                 return MSG_INFO;
2151         if (os_strcasecmp(s, "WARNING") == 0)
2152                 return MSG_WARNING;
2153         if (os_strcasecmp(s, "ERROR") == 0)
2154                 return MSG_ERROR;
2155         return -1;
2156 }
2157
2158
2159 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
2160                                                char *cmd, char *buf,
2161                                                size_t buflen)
2162 {
2163         char *pos, *end, *stamp;
2164         int ret;
2165
2166         /* cmd: "LOG_LEVEL [<level>]" */
2167         if (*cmd == '\0') {
2168                 pos = buf;
2169                 end = buf + buflen;
2170                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
2171                                   "Timestamp: %d\n",
2172                                   debug_level_str(wpa_debug_level),
2173                                   wpa_debug_timestamp);
2174                 if (os_snprintf_error(end - pos, ret))
2175                         ret = 0;
2176
2177                 return ret;
2178         }
2179
2180         while (*cmd == ' ')
2181                 cmd++;
2182
2183         stamp = os_strchr(cmd, ' ');
2184         if (stamp) {
2185                 *stamp++ = '\0';
2186                 while (*stamp == ' ') {
2187                         stamp++;
2188                 }
2189         }
2190
2191         if (cmd && os_strlen(cmd)) {
2192                 int level = str_to_debug_level(cmd);
2193                 if (level < 0)
2194                         return -1;
2195                 wpa_debug_level = level;
2196         }
2197
2198         if (stamp && os_strlen(stamp))
2199                 wpa_debug_timestamp = atoi(stamp);
2200
2201         os_memcpy(buf, "OK\n", 3);
2202         return 3;
2203 }
2204
2205
2206 static int wpa_supplicant_ctrl_iface_list_networks(
2207         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2208 {
2209         char *pos, *end, *prev;
2210         struct wpa_ssid *ssid;
2211         int ret;
2212
2213         pos = buf;
2214         end = buf + buflen;
2215         ret = os_snprintf(pos, end - pos,
2216                           "network id / ssid / bssid / flags\n");
2217         if (os_snprintf_error(end - pos, ret))
2218                 return pos - buf;
2219         pos += ret;
2220
2221         ssid = wpa_s->conf->ssid;
2222
2223         /* skip over ssids until we find next one */
2224         if (cmd != NULL && os_strncmp(cmd, "LAST_ID=", 8) == 0) {
2225                 int last_id = atoi(cmd + 8);
2226                 if (last_id != -1) {
2227                         while (ssid != NULL && ssid->id <= last_id) {
2228                                 ssid = ssid->next;
2229                         }
2230                 }
2231         }
2232
2233         while (ssid) {
2234                 prev = pos;
2235                 ret = os_snprintf(pos, end - pos, "%d\t%s",
2236                                   ssid->id,
2237                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2238                 if (os_snprintf_error(end - pos, ret))
2239                         return prev - buf;
2240                 pos += ret;
2241                 if (ssid->bssid_set) {
2242                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2243                                           MAC2STR(ssid->bssid));
2244                 } else {
2245                         ret = os_snprintf(pos, end - pos, "\tany");
2246                 }
2247                 if (os_snprintf_error(end - pos, ret))
2248                         return prev - buf;
2249                 pos += ret;
2250                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2251                                   ssid == wpa_s->current_ssid ?
2252                                   "[CURRENT]" : "",
2253                                   ssid->disabled ? "[DISABLED]" : "",
2254                                   ssid->disabled_until.sec ?
2255                                   "[TEMP-DISABLED]" : "",
2256                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2257                                   "");
2258                 if (os_snprintf_error(end - pos, ret))
2259                         return prev - buf;
2260                 pos += ret;
2261                 ret = os_snprintf(pos, end - pos, "\n");
2262                 if (os_snprintf_error(end - pos, ret))
2263                         return prev - buf;
2264                 pos += ret;
2265
2266                 ssid = ssid->next;
2267         }
2268
2269         return pos - buf;
2270 }
2271
2272
2273 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2274 {
2275         int ret;
2276         ret = os_snprintf(pos, end - pos, "-");
2277         if (os_snprintf_error(end - pos, ret))
2278                 return pos;
2279         pos += ret;
2280         ret = wpa_write_ciphers(pos, end, cipher, "+");
2281         if (ret < 0)
2282                 return pos;
2283         pos += ret;
2284         return pos;
2285 }
2286
2287
2288 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2289                                     const u8 *ie, size_t ie_len)
2290 {
2291         struct wpa_ie_data data;
2292         char *start;
2293         int ret;
2294
2295         ret = os_snprintf(pos, end - pos, "[%s-", proto);
2296         if (os_snprintf_error(end - pos, ret))
2297                 return pos;
2298         pos += ret;
2299
2300         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2301                 ret = os_snprintf(pos, end - pos, "?]");
2302                 if (os_snprintf_error(end - pos, ret))
2303                         return pos;
2304                 pos += ret;
2305                 return pos;
2306         }
2307
2308         start = pos;
2309         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2310                 ret = os_snprintf(pos, end - pos, "%sEAP",
2311                                   pos == start ? "" : "+");
2312                 if (os_snprintf_error(end - pos, ret))
2313                         return pos;
2314                 pos += ret;
2315         }
2316         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2317                 ret = os_snprintf(pos, end - pos, "%sPSK",
2318                                   pos == start ? "" : "+");
2319                 if (os_snprintf_error(end - pos, ret))
2320                         return pos;
2321                 pos += ret;
2322         }
2323         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2324                 ret = os_snprintf(pos, end - pos, "%sNone",
2325                                   pos == start ? "" : "+");
2326                 if (os_snprintf_error(end - pos, ret))
2327                         return pos;
2328                 pos += ret;
2329         }
2330         if (data.key_mgmt & WPA_KEY_MGMT_SAE) {
2331                 ret = os_snprintf(pos, end - pos, "%sSAE",
2332                                   pos == start ? "" : "+");
2333                 if (os_snprintf_error(end - pos, ret))
2334                         return pos;
2335                 pos += ret;
2336         }
2337 #ifdef CONFIG_IEEE80211R
2338         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2339                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2340                                   pos == start ? "" : "+");
2341                 if (os_snprintf_error(end - pos, ret))
2342                         return pos;
2343                 pos += ret;
2344         }
2345         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2346                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2347                                   pos == start ? "" : "+");
2348                 if (os_snprintf_error(end - pos, ret))
2349                         return pos;
2350                 pos += ret;
2351         }
2352         if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) {
2353                 ret = os_snprintf(pos, end - pos, "%sFT/SAE",
2354                                   pos == start ? "" : "+");
2355                 if (os_snprintf_error(end - pos, ret))
2356                         return pos;
2357                 pos += ret;
2358         }
2359 #endif /* CONFIG_IEEE80211R */
2360 #ifdef CONFIG_IEEE80211W
2361         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2362                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2363                                   pos == start ? "" : "+");
2364                 if (os_snprintf_error(end - pos, ret))
2365                         return pos;
2366                 pos += ret;
2367         }
2368         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2369                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2370                                   pos == start ? "" : "+");
2371                 if (os_snprintf_error(end - pos, ret))
2372                         return pos;
2373                 pos += ret;
2374         }
2375 #endif /* CONFIG_IEEE80211W */
2376
2377 #ifdef CONFIG_SUITEB
2378         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
2379                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B",
2380                                   pos == start ? "" : "+");
2381                 if (os_snprintf_error(end - pos, ret))
2382                         return pos;
2383                 pos += ret;
2384         }
2385 #endif /* CONFIG_SUITEB */
2386
2387 #ifdef CONFIG_SUITEB192
2388         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
2389                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B-192",
2390                                   pos == start ? "" : "+");
2391                 if (os_snprintf_error(end - pos, ret))
2392                         return pos;
2393                 pos += ret;
2394         }
2395 #endif /* CONFIG_SUITEB192 */
2396
2397         if (data.key_mgmt & WPA_KEY_MGMT_OSEN) {
2398                 ret = os_snprintf(pos, end - pos, "%sOSEN",
2399                                   pos == start ? "" : "+");
2400                 if (os_snprintf_error(end - pos, ret))
2401                         return pos;
2402                 pos += ret;
2403         }
2404
2405         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2406
2407         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2408                 ret = os_snprintf(pos, end - pos, "-preauth");
2409                 if (os_snprintf_error(end - pos, ret))
2410                         return pos;
2411                 pos += ret;
2412         }
2413
2414         ret = os_snprintf(pos, end - pos, "]");
2415         if (os_snprintf_error(end - pos, ret))
2416                 return pos;
2417         pos += ret;
2418
2419         return pos;
2420 }
2421
2422
2423 #ifdef CONFIG_WPS
2424 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2425                                             char *pos, char *end,
2426                                             struct wpabuf *wps_ie)
2427 {
2428         int ret;
2429         const char *txt;
2430
2431         if (wps_ie == NULL)
2432                 return pos;
2433         if (wps_is_selected_pbc_registrar(wps_ie))
2434                 txt = "[WPS-PBC]";
2435         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2436                 txt = "[WPS-AUTH]";
2437         else if (wps_is_selected_pin_registrar(wps_ie))
2438                 txt = "[WPS-PIN]";
2439         else
2440                 txt = "[WPS]";
2441
2442         ret = os_snprintf(pos, end - pos, "%s", txt);
2443         if (!os_snprintf_error(end - pos, ret))
2444                 pos += ret;
2445         wpabuf_free(wps_ie);
2446         return pos;
2447 }
2448 #endif /* CONFIG_WPS */
2449
2450
2451 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2452                                         char *pos, char *end,
2453                                         const struct wpa_bss *bss)
2454 {
2455 #ifdef CONFIG_WPS
2456         struct wpabuf *wps_ie;
2457         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2458         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2459 #else /* CONFIG_WPS */
2460         return pos;
2461 #endif /* CONFIG_WPS */
2462 }
2463
2464
2465 /* Format one result on one text line into a buffer. */
2466 static int wpa_supplicant_ctrl_iface_scan_result(
2467         struct wpa_supplicant *wpa_s,
2468         const struct wpa_bss *bss, char *buf, size_t buflen)
2469 {
2470         char *pos, *end;
2471         int ret;
2472         const u8 *ie, *ie2, *osen_ie, *p2p, *mesh;
2473
2474         mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
2475         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2476         if (!p2p)
2477                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2478         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2479             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2480             0)
2481                 return 0; /* Do not show P2P listen discovery results here */
2482
2483         pos = buf;
2484         end = buf + buflen;
2485
2486         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2487                           MAC2STR(bss->bssid), bss->freq, bss->level);
2488         if (os_snprintf_error(end - pos, ret))
2489                 return -1;
2490         pos += ret;
2491         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2492         if (ie)
2493                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2494         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2495         if (ie2) {
2496                 pos = wpa_supplicant_ie_txt(pos, end, mesh ? "RSN" : "WPA2",
2497                                             ie2, 2 + ie2[1]);
2498         }
2499         osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
2500         if (osen_ie)
2501                 pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
2502                                             osen_ie, 2 + osen_ie[1]);
2503         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2504         if (!ie && !ie2 && !osen_ie && (bss->caps & IEEE80211_CAP_PRIVACY)) {
2505                 ret = os_snprintf(pos, end - pos, "[WEP]");
2506                 if (os_snprintf_error(end - pos, ret))
2507                         return -1;
2508                 pos += ret;
2509         }
2510         if (mesh) {
2511                 ret = os_snprintf(pos, end - pos, "[MESH]");
2512                 if (os_snprintf_error(end - pos, ret))
2513                         return -1;
2514                 pos += ret;
2515         }
2516         if (bss_is_dmg(bss)) {
2517                 const char *s;
2518                 ret = os_snprintf(pos, end - pos, "[DMG]");
2519                 if (os_snprintf_error(end - pos, ret))
2520                         return -1;
2521                 pos += ret;
2522                 switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
2523                 case IEEE80211_CAP_DMG_IBSS:
2524                         s = "[IBSS]";
2525                         break;
2526                 case IEEE80211_CAP_DMG_AP:
2527                         s = "[ESS]";
2528                         break;
2529                 case IEEE80211_CAP_DMG_PBSS:
2530                         s = "[PBSS]";
2531                         break;
2532                 default:
2533                         s = "";
2534                         break;
2535                 }
2536                 ret = os_snprintf(pos, end - pos, "%s", s);
2537                 if (os_snprintf_error(end - pos, ret))
2538                         return -1;
2539                 pos += ret;
2540         } else {
2541                 if (bss->caps & IEEE80211_CAP_IBSS) {
2542                         ret = os_snprintf(pos, end - pos, "[IBSS]");
2543                         if (os_snprintf_error(end - pos, ret))
2544                                 return -1;
2545                         pos += ret;
2546                 }
2547                 if (bss->caps & IEEE80211_CAP_ESS) {
2548                         ret = os_snprintf(pos, end - pos, "[ESS]");
2549                         if (os_snprintf_error(end - pos, ret))
2550                                 return -1;
2551                         pos += ret;
2552                 }
2553         }
2554         if (p2p) {
2555                 ret = os_snprintf(pos, end - pos, "[P2P]");
2556                 if (os_snprintf_error(end - pos, ret))
2557                         return -1;
2558                 pos += ret;
2559         }
2560 #ifdef CONFIG_HS20
2561         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2562                 ret = os_snprintf(pos, end - pos, "[HS20]");
2563                 if (os_snprintf_error(end - pos, ret))
2564                         return -1;
2565                 pos += ret;
2566         }
2567 #endif /* CONFIG_HS20 */
2568
2569         ret = os_snprintf(pos, end - pos, "\t%s",
2570                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2571         if (os_snprintf_error(end - pos, ret))
2572                 return -1;
2573         pos += ret;
2574
2575         ret = os_snprintf(pos, end - pos, "\n");
2576         if (os_snprintf_error(end - pos, ret))
2577                 return -1;
2578         pos += ret;
2579
2580         return pos - buf;
2581 }
2582
2583
2584 static int wpa_supplicant_ctrl_iface_scan_results(
2585         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2586 {
2587         char *pos, *end;
2588         struct wpa_bss *bss;
2589         int ret;
2590
2591         pos = buf;
2592         end = buf + buflen;
2593         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2594                           "flags / ssid\n");
2595         if (os_snprintf_error(end - pos, ret))
2596                 return pos - buf;
2597         pos += ret;
2598
2599         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2600                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2601                                                             end - pos);
2602                 if (ret < 0 || ret >= end - pos)
2603                         return pos - buf;
2604                 pos += ret;
2605         }
2606
2607         return pos - buf;
2608 }
2609
2610
2611 #ifdef CONFIG_MESH
2612
2613 static int wpa_supplicant_ctrl_iface_mesh_interface_add(
2614         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
2615 {
2616         char *pos, ifname[IFNAMSIZ + 1];
2617
2618         ifname[0] = '\0';
2619
2620         pos = os_strstr(cmd, "ifname=");
2621         if (pos) {
2622                 pos += 7;
2623                 os_strlcpy(ifname, pos, sizeof(ifname));
2624         }
2625
2626         if (wpas_mesh_add_interface(wpa_s, ifname, sizeof(ifname)) < 0)
2627                 return -1;
2628
2629         os_strlcpy(reply, ifname, max_len);
2630         return os_strlen(ifname);
2631 }
2632
2633
2634 static int wpa_supplicant_ctrl_iface_mesh_group_add(
2635         struct wpa_supplicant *wpa_s, char *cmd)
2636 {
2637         int id;
2638         struct wpa_ssid *ssid;
2639
2640         id = atoi(cmd);
2641         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_ADD id=%d", id);
2642
2643         ssid = wpa_config_get_network(wpa_s->conf, id);
2644         if (ssid == NULL) {
2645                 wpa_printf(MSG_DEBUG,
2646                            "CTRL_IFACE: Could not find network id=%d", id);
2647                 return -1;
2648         }
2649         if (ssid->mode != WPAS_MODE_MESH) {
2650                 wpa_printf(MSG_DEBUG,
2651                            "CTRL_IFACE: Cannot use MESH_GROUP_ADD on a non mesh network");
2652                 return -1;
2653         }
2654         if (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
2655             ssid->key_mgmt != WPA_KEY_MGMT_SAE) {
2656                 wpa_printf(MSG_ERROR,
2657                            "CTRL_IFACE: key_mgmt for mesh network should be open or SAE");
2658                 return -1;
2659         }
2660
2661         /*
2662          * TODO: If necessary write our own group_add function,
2663          * for now we can reuse select_network
2664          */
2665         wpa_supplicant_select_network(wpa_s, ssid);
2666
2667         return 0;
2668 }
2669
2670
2671 static int wpa_supplicant_ctrl_iface_mesh_group_remove(
2672         struct wpa_supplicant *wpa_s, char *cmd)
2673 {
2674         struct wpa_supplicant *orig;
2675         struct wpa_global *global;
2676         int found = 0;
2677
2678         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s", cmd);
2679
2680         global = wpa_s->global;
2681         orig = wpa_s;
2682
2683         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2684                 if (os_strcmp(wpa_s->ifname, cmd) == 0) {
2685                         found = 1;
2686                         break;
2687                 }
2688         }
2689         if (!found) {
2690                 wpa_printf(MSG_ERROR,
2691                            "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s not found",
2692                            cmd);
2693                 return -1;
2694         }
2695         if (wpa_s->mesh_if_created && wpa_s == orig) {
2696                 wpa_printf(MSG_ERROR,
2697                            "CTRL_IFACE: MESH_GROUP_REMOVE can't remove itself");
2698                 return -1;
2699         }
2700
2701         wpa_s->reassociate = 0;
2702         wpa_s->disconnected = 1;
2703         wpa_supplicant_cancel_sched_scan(wpa_s);
2704         wpa_supplicant_cancel_scan(wpa_s);
2705
2706         /*
2707          * TODO: If necessary write our own group_remove function,
2708          * for now we can reuse deauthenticate
2709          */
2710         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2711
2712         if (wpa_s->mesh_if_created)
2713                 wpa_supplicant_remove_iface(global, wpa_s, 0);
2714
2715         return 0;
2716 }
2717
2718 #endif /* CONFIG_MESH */
2719
2720
2721 static int wpa_supplicant_ctrl_iface_select_network(
2722         struct wpa_supplicant *wpa_s, char *cmd)
2723 {
2724         int id;
2725         struct wpa_ssid *ssid;
2726         char *pos;
2727
2728         /* cmd: "<network id>" or "any" */
2729         if (os_strncmp(cmd, "any", 3) == 0) {
2730                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2731                 ssid = NULL;
2732         } else {
2733                 id = atoi(cmd);
2734                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2735
2736                 ssid = wpa_config_get_network(wpa_s->conf, id);
2737                 if (ssid == NULL) {
2738                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2739                                    "network id=%d", id);
2740                         return -1;
2741                 }
2742                 if (ssid->disabled == 2) {
2743                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2744                                    "SELECT_NETWORK with persistent P2P group");
2745                         return -1;
2746                 }
2747         }
2748
2749         pos = os_strstr(cmd, " freq=");
2750         if (pos) {
2751                 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2752                 if (freqs) {
2753                         wpa_s->scan_req = MANUAL_SCAN_REQ;
2754                         os_free(wpa_s->manual_scan_freqs);
2755                         wpa_s->manual_scan_freqs = freqs;
2756                 }
2757         }
2758
2759         wpa_supplicant_select_network(wpa_s, ssid);
2760
2761         return 0;
2762 }
2763
2764
2765 static int wpa_supplicant_ctrl_iface_enable_network(
2766         struct wpa_supplicant *wpa_s, char *cmd)
2767 {
2768         int id;
2769         struct wpa_ssid *ssid;
2770
2771         /* cmd: "<network id>" or "all" */
2772         if (os_strcmp(cmd, "all") == 0) {
2773                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2774                 ssid = NULL;
2775         } else {
2776                 id = atoi(cmd);
2777                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2778
2779                 ssid = wpa_config_get_network(wpa_s->conf, id);
2780                 if (ssid == NULL) {
2781                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2782                                    "network id=%d", id);
2783                         return -1;
2784                 }
2785                 if (ssid->disabled == 2) {
2786                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2787                                    "ENABLE_NETWORK with persistent P2P group");
2788                         return -1;
2789                 }
2790
2791                 if (os_strstr(cmd, " no-connect")) {
2792                         ssid->disabled = 0;
2793                         return 0;
2794                 }
2795         }
2796         wpa_supplicant_enable_network(wpa_s, ssid);
2797
2798         return 0;
2799 }
2800
2801
2802 static int wpa_supplicant_ctrl_iface_disable_network(
2803         struct wpa_supplicant *wpa_s, char *cmd)
2804 {
2805         int id;
2806         struct wpa_ssid *ssid;
2807
2808         /* cmd: "<network id>" or "all" */
2809         if (os_strcmp(cmd, "all") == 0) {
2810                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2811                 ssid = NULL;
2812         } else {
2813                 id = atoi(cmd);
2814                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2815
2816                 ssid = wpa_config_get_network(wpa_s->conf, id);
2817                 if (ssid == NULL) {
2818                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2819                                    "network id=%d", id);
2820                         return -1;
2821                 }
2822                 if (ssid->disabled == 2) {
2823                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2824                                    "DISABLE_NETWORK with persistent P2P "
2825                                    "group");
2826                         return -1;
2827                 }
2828         }
2829         wpa_supplicant_disable_network(wpa_s, ssid);
2830
2831         return 0;
2832 }
2833
2834
2835 static int wpa_supplicant_ctrl_iface_add_network(
2836         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2837 {
2838         struct wpa_ssid *ssid;
2839         int ret;
2840
2841         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2842
2843         ssid = wpa_config_add_network(wpa_s->conf);
2844         if (ssid == NULL)
2845                 return -1;
2846
2847         wpas_notify_network_added(wpa_s, ssid);
2848
2849         ssid->disabled = 1;
2850         wpa_config_set_network_defaults(ssid);
2851
2852         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2853         if (os_snprintf_error(buflen, ret))
2854                 return -1;
2855         return ret;
2856 }
2857
2858
2859 static int wpa_supplicant_ctrl_iface_remove_network(
2860         struct wpa_supplicant *wpa_s, char *cmd)
2861 {
2862         int id;
2863         struct wpa_ssid *ssid;
2864         int was_disabled;
2865
2866         /* cmd: "<network id>" or "all" */
2867         if (os_strcmp(cmd, "all") == 0) {
2868                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2869                 if (wpa_s->sched_scanning)
2870                         wpa_supplicant_cancel_sched_scan(wpa_s);
2871
2872                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2873                 if (wpa_s->current_ssid) {
2874 #ifdef CONFIG_SME
2875                         wpa_s->sme.prev_bssid_set = 0;
2876 #endif /* CONFIG_SME */
2877                         wpa_sm_set_config(wpa_s->wpa, NULL);
2878                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2879                         wpa_s->own_disconnect_req = 1;
2880                         wpa_supplicant_deauthenticate(
2881                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2882                 }
2883                 ssid = wpa_s->conf->ssid;
2884                 while (ssid) {
2885                         struct wpa_ssid *remove_ssid = ssid;
2886                         id = ssid->id;
2887                         ssid = ssid->next;
2888                         if (wpa_s->last_ssid == remove_ssid)
2889                                 wpa_s->last_ssid = NULL;
2890                         wpas_notify_network_removed(wpa_s, remove_ssid);
2891                         wpa_config_remove_network(wpa_s->conf, id);
2892                 }
2893                 return 0;
2894         }
2895
2896         id = atoi(cmd);
2897         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2898
2899         ssid = wpa_config_get_network(wpa_s->conf, id);
2900         if (ssid)
2901                 wpas_notify_network_removed(wpa_s, ssid);
2902         if (ssid == NULL) {
2903                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2904                            "id=%d", id);
2905                 return -1;
2906         }
2907
2908         if (wpa_s->last_ssid == ssid)
2909                 wpa_s->last_ssid = NULL;
2910
2911         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2912 #ifdef CONFIG_SME
2913                 wpa_s->sme.prev_bssid_set = 0;
2914 #endif /* CONFIG_SME */
2915                 /*
2916                  * Invalidate the EAP session cache if the current or
2917                  * previously used network is removed.
2918                  */
2919                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2920         }
2921
2922         if (ssid == wpa_s->current_ssid) {
2923                 wpa_sm_set_config(wpa_s->wpa, NULL);
2924                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2925
2926                 wpa_s->own_disconnect_req = 1;
2927                 wpa_supplicant_deauthenticate(wpa_s,
2928                                               WLAN_REASON_DEAUTH_LEAVING);
2929         }
2930
2931         was_disabled = ssid->disabled;
2932
2933         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2934                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2935                            "network id=%d", id);
2936                 return -1;
2937         }
2938
2939         if (!was_disabled && wpa_s->sched_scanning) {
2940                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2941                            "network from filters");
2942                 wpa_supplicant_cancel_sched_scan(wpa_s);
2943                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2944         }
2945
2946         return 0;
2947 }
2948
2949
2950 static int wpa_supplicant_ctrl_iface_update_network(
2951         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
2952         char *name, char *value)
2953 {
2954         if (wpa_config_set(ssid, name, value, 0) < 0) {
2955                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2956                            "variable '%s'", name);
2957                 return -1;
2958         }
2959
2960         if (os_strcmp(name, "bssid") != 0 &&
2961             os_strcmp(name, "priority") != 0)
2962                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2963
2964         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2965                 /*
2966                  * Invalidate the EAP session cache if anything in the current
2967                  * or previously used configuration changes.
2968                  */
2969                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2970         }
2971
2972         if ((os_strcmp(name, "psk") == 0 &&
2973              value[0] == '"' && ssid->ssid_len) ||
2974             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2975                 wpa_config_update_psk(ssid);
2976         else if (os_strcmp(name, "priority") == 0)
2977                 wpa_config_update_prio_list(wpa_s->conf);
2978
2979         return 0;
2980 }
2981
2982
2983 static int wpa_supplicant_ctrl_iface_set_network(
2984         struct wpa_supplicant *wpa_s, char *cmd)
2985 {
2986         int id, ret, prev_bssid_set, prev_disabled;
2987         struct wpa_ssid *ssid;
2988         char *name, *value;
2989         u8 prev_bssid[ETH_ALEN];
2990
2991         /* cmd: "<network id> <variable name> <value>" */
2992         name = os_strchr(cmd, ' ');
2993         if (name == NULL)
2994                 return -1;
2995         *name++ = '\0';
2996
2997         value = os_strchr(name, ' ');
2998         if (value == NULL)
2999                 return -1;
3000         *value++ = '\0';
3001
3002         id = atoi(cmd);
3003         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
3004                    id, name);
3005         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3006                               (u8 *) value, os_strlen(value));
3007
3008         ssid = wpa_config_get_network(wpa_s->conf, id);
3009         if (ssid == NULL) {
3010                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3011                            "id=%d", id);
3012                 return -1;
3013         }
3014
3015         prev_bssid_set = ssid->bssid_set;
3016         prev_disabled = ssid->disabled;
3017         os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
3018         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
3019                                                        value);
3020         if (ret == 0 &&
3021             (ssid->bssid_set != prev_bssid_set ||
3022              os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
3023                 wpas_notify_network_bssid_set_changed(wpa_s, ssid);
3024
3025         if (prev_disabled != ssid->disabled &&
3026             (prev_disabled == 2 || ssid->disabled == 2))
3027                 wpas_notify_network_type_changed(wpa_s, ssid);
3028
3029         return ret;
3030 }
3031
3032
3033 static int wpa_supplicant_ctrl_iface_get_network(
3034         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
3035 {
3036         int id;
3037         size_t res;
3038         struct wpa_ssid *ssid;
3039         char *name, *value;
3040
3041         /* cmd: "<network id> <variable name>" */
3042         name = os_strchr(cmd, ' ');
3043         if (name == NULL || buflen == 0)
3044                 return -1;
3045         *name++ = '\0';
3046
3047         id = atoi(cmd);
3048         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
3049                    id, name);
3050
3051         ssid = wpa_config_get_network(wpa_s->conf, id);
3052         if (ssid == NULL) {
3053                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3054                            "id=%d", id);
3055                 return -1;
3056         }
3057
3058         value = wpa_config_get_no_key(ssid, name);
3059         if (value == NULL) {
3060                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3061                            "variable '%s'", name);
3062                 return -1;
3063         }
3064
3065         res = os_strlcpy(buf, value, buflen);
3066         if (res >= buflen) {
3067                 os_free(value);
3068                 return -1;
3069         }
3070
3071         os_free(value);
3072
3073         return res;
3074 }
3075
3076
3077 static int wpa_supplicant_ctrl_iface_dup_network(
3078         struct wpa_supplicant *wpa_s, char *cmd)
3079 {
3080         struct wpa_ssid *ssid_s, *ssid_d;
3081         char *name, *id, *value;
3082         int id_s, id_d, ret;
3083
3084         /* cmd: "<src network id> <dst network id> <variable name>" */
3085         id = os_strchr(cmd, ' ');
3086         if (id == NULL)
3087                 return -1;
3088         *id++ = '\0';
3089
3090         name = os_strchr(id, ' ');
3091         if (name == NULL)
3092                 return -1;
3093         *name++ = '\0';
3094
3095         id_s = atoi(cmd);
3096         id_d = atoi(id);
3097         wpa_printf(MSG_DEBUG, "CTRL_IFACE: DUP_NETWORK id=%d -> %d name='%s'",
3098                    id_s, id_d, name);
3099
3100         ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
3101         if (ssid_s == NULL) {
3102                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3103                            "network id=%d", id_s);
3104                 return -1;
3105         }
3106
3107         ssid_d = wpa_config_get_network(wpa_s->conf, id_d);
3108         if (ssid_d == NULL) {
3109                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3110                            "network id=%d", id_d);
3111                 return -1;
3112         }
3113
3114         value = wpa_config_get(ssid_s, name);
3115         if (value == NULL) {
3116                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3117                            "variable '%s'", name);
3118                 return -1;
3119         }
3120
3121         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid_d, name,
3122                                                        value);
3123
3124         os_free(value);
3125
3126         return ret;
3127 }
3128
3129
3130 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
3131                                                 char *buf, size_t buflen)
3132 {
3133         char *pos, *end;
3134         struct wpa_cred *cred;
3135         int ret;
3136
3137         pos = buf;
3138         end = buf + buflen;
3139         ret = os_snprintf(pos, end - pos,
3140                           "cred id / realm / username / domain / imsi\n");
3141         if (os_snprintf_error(end - pos, ret))
3142                 return pos - buf;
3143         pos += ret;
3144
3145         cred = wpa_s->conf->cred;
3146         while (cred) {
3147                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
3148                                   cred->id, cred->realm ? cred->realm : "",
3149                                   cred->username ? cred->username : "",
3150                                   cred->domain ? cred->domain[0] : "",
3151                                   cred->imsi ? cred->imsi : "");
3152                 if (os_snprintf_error(end - pos, ret))
3153                         return pos - buf;
3154                 pos += ret;
3155
3156                 cred = cred->next;
3157         }
3158
3159         return pos - buf;
3160 }
3161
3162
3163 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
3164                                               char *buf, size_t buflen)
3165 {
3166         struct wpa_cred *cred;
3167         int ret;
3168
3169         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
3170
3171         cred = wpa_config_add_cred(wpa_s->conf);
3172         if (cred == NULL)
3173                 return -1;
3174
3175         wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
3176
3177         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
3178         if (os_snprintf_error(buflen, ret))
3179                 return -1;
3180         return ret;
3181 }
3182
3183
3184 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
3185                                  struct wpa_cred *cred)
3186 {
3187         struct wpa_ssid *ssid;
3188         char str[20];
3189         int id;
3190
3191         if (cred == NULL) {
3192                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3193                 return -1;
3194         }
3195
3196         id = cred->id;
3197         if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
3198                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3199                 return -1;
3200         }
3201
3202         wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
3203
3204         /* Remove any network entry created based on the removed credential */
3205         ssid = wpa_s->conf->ssid;
3206         while (ssid) {
3207                 if (ssid->parent_cred == cred) {
3208                         int res;
3209
3210                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
3211                                    "used the removed credential", ssid->id);
3212                         res = os_snprintf(str, sizeof(str), "%d", ssid->id);
3213                         if (os_snprintf_error(sizeof(str), res))
3214                                 str[sizeof(str) - 1] = '\0';
3215                         ssid = ssid->next;
3216                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
3217                 } else
3218                         ssid = ssid->next;
3219         }
3220
3221         return 0;
3222 }
3223
3224
3225 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
3226                                                  char *cmd)
3227 {
3228         int id;
3229         struct wpa_cred *cred, *prev;
3230
3231         /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
3232          * "provisioning_sp=<FQDN> */
3233         if (os_strcmp(cmd, "all") == 0) {
3234                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
3235                 cred = wpa_s->conf->cred;
3236                 while (cred) {
3237                         prev = cred;
3238                         cred = cred->next;
3239                         wpas_ctrl_remove_cred(wpa_s, prev);
3240                 }
3241                 return 0;
3242         }
3243
3244         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
3245                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
3246                            cmd + 8);
3247                 cred = wpa_s->conf->cred;
3248                 while (cred) {
3249                         prev = cred;
3250                         cred = cred->next;
3251                         if (prev->domain) {
3252                                 size_t i;
3253                                 for (i = 0; i < prev->num_domain; i++) {
3254                                         if (os_strcmp(prev->domain[i], cmd + 8)
3255                                             != 0)
3256                                                 continue;
3257                                         wpas_ctrl_remove_cred(wpa_s, prev);
3258                                         break;
3259                                 }
3260                         }
3261                 }
3262                 return 0;
3263         }
3264
3265         if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
3266                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
3267                            cmd + 16);
3268                 cred = wpa_s->conf->cred;
3269                 while (cred) {
3270                         prev = cred;
3271                         cred = cred->next;
3272                         if (prev->provisioning_sp &&
3273                             os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
3274                                 wpas_ctrl_remove_cred(wpa_s, prev);
3275                 }
3276                 return 0;
3277         }
3278
3279         id = atoi(cmd);
3280         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
3281
3282         cred = wpa_config_get_cred(wpa_s->conf, id);
3283         return wpas_ctrl_remove_cred(wpa_s, cred);
3284 }
3285
3286
3287 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
3288                                               char *cmd)
3289 {
3290         int id;
3291         struct wpa_cred *cred;
3292         char *name, *value;
3293
3294         /* cmd: "<cred id> <variable name> <value>" */
3295         name = os_strchr(cmd, ' ');
3296         if (name == NULL)
3297                 return -1;
3298         *name++ = '\0';
3299
3300         value = os_strchr(name, ' ');
3301         if (value == NULL)
3302                 return -1;
3303         *value++ = '\0';
3304
3305         id = atoi(cmd);
3306         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
3307                    id, name);
3308         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3309                               (u8 *) value, os_strlen(value));
3310
3311         cred = wpa_config_get_cred(wpa_s->conf, id);
3312         if (cred == NULL) {
3313                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3314                            id);
3315                 return -1;
3316         }
3317
3318         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
3319                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
3320                            "variable '%s'", name);
3321                 return -1;
3322         }
3323
3324         wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
3325
3326         return 0;
3327 }
3328
3329
3330 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
3331                                               char *cmd, char *buf,
3332                                               size_t buflen)
3333 {
3334         int id;
3335         size_t res;
3336         struct wpa_cred *cred;
3337         char *name, *value;
3338
3339         /* cmd: "<cred id> <variable name>" */
3340         name = os_strchr(cmd, ' ');
3341         if (name == NULL)
3342                 return -1;
3343         *name++ = '\0';
3344
3345         id = atoi(cmd);
3346         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
3347                    id, name);
3348
3349         cred = wpa_config_get_cred(wpa_s->conf, id);
3350         if (cred == NULL) {
3351                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3352                            id);
3353                 return -1;
3354         }
3355
3356         value = wpa_config_get_cred_no_key(cred, name);
3357         if (value == NULL) {
3358                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
3359                            name);
3360                 return -1;
3361         }
3362
3363         res = os_strlcpy(buf, value, buflen);
3364         if (res >= buflen) {
3365                 os_free(value);
3366                 return -1;
3367         }
3368
3369         os_free(value);
3370
3371         return res;
3372 }
3373
3374
3375 #ifndef CONFIG_NO_CONFIG_WRITE
3376 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3377 {
3378         int ret;
3379
3380         if (!wpa_s->conf->update_config) {
3381                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3382                            "to update configuration (update_config=0)");
3383                 return -1;
3384         }
3385
3386         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3387         if (ret) {
3388                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3389                            "update configuration");
3390         } else {
3391                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3392                            " updated");
3393         }
3394
3395         return ret;
3396 }
3397 #endif /* CONFIG_NO_CONFIG_WRITE */
3398
3399
3400 struct cipher_info {
3401         unsigned int capa;
3402         const char *name;
3403         int group_only;
3404 };
3405
3406 static const struct cipher_info ciphers[] = {
3407         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3408         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3409         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3410         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3411         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3412         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3413         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3414         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3415 };
3416
3417 static const struct cipher_info ciphers_group_mgmt[] = {
3418         { WPA_DRIVER_CAPA_ENC_BIP, "AES-128-CMAC", 1 },
3419         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_128, "BIP-GMAC-128", 1 },
3420         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_256, "BIP-GMAC-256", 1 },
3421         { WPA_DRIVER_CAPA_ENC_BIP_CMAC_256, "BIP-CMAC-256", 1 },
3422 };
3423
3424
3425 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3426                                               struct wpa_driver_capa *capa,
3427                                               char *buf, size_t buflen)
3428 {
3429         int ret;
3430         char *pos, *end;
3431         size_t len;
3432         unsigned int i;
3433
3434         pos = buf;
3435         end = pos + buflen;
3436
3437         if (res < 0) {
3438                 if (strict)
3439                         return 0;
3440                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3441                 if (len >= buflen)
3442                         return -1;
3443                 return len;
3444         }
3445
3446         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3447                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3448                         ret = os_snprintf(pos, end - pos, "%s%s",
3449                                           pos == buf ? "" : " ",
3450                                           ciphers[i].name);
3451                         if (os_snprintf_error(end - pos, ret))
3452                                 return pos - buf;
3453                         pos += ret;
3454                 }
3455         }
3456
3457         return pos - buf;
3458 }
3459
3460
3461 static int ctrl_iface_get_capability_group(int res, char *strict,
3462                                            struct wpa_driver_capa *capa,
3463                                            char *buf, size_t buflen)
3464 {
3465         int ret;
3466         char *pos, *end;
3467         size_t len;
3468         unsigned int i;
3469
3470         pos = buf;
3471         end = pos + buflen;
3472
3473         if (res < 0) {
3474                 if (strict)
3475                         return 0;
3476                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3477                 if (len >= buflen)
3478                         return -1;
3479                 return len;
3480         }
3481
3482         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3483                 if (capa->enc & ciphers[i].capa) {
3484                         ret = os_snprintf(pos, end - pos, "%s%s",
3485                                           pos == buf ? "" : " ",
3486                                           ciphers[i].name);
3487                         if (os_snprintf_error(end - pos, ret))
3488                                 return pos - buf;
3489                         pos += ret;
3490                 }
3491         }
3492
3493         return pos - buf;
3494 }
3495
3496
3497 static int ctrl_iface_get_capability_group_mgmt(int res, char *strict,
3498                                                 struct wpa_driver_capa *capa,
3499                                                 char *buf, size_t buflen)
3500 {
3501         int ret;
3502         char *pos, *end;
3503         unsigned int i;
3504
3505         pos = buf;
3506         end = pos + buflen;
3507
3508         if (res < 0)
3509                 return 0;
3510
3511         for (i = 0; i < ARRAY_SIZE(ciphers_group_mgmt); i++) {
3512                 if (capa->enc & ciphers_group_mgmt[i].capa) {
3513                         ret = os_snprintf(pos, end - pos, "%s%s",
3514                                           pos == buf ? "" : " ",
3515                                           ciphers_group_mgmt[i].name);
3516                         if (os_snprintf_error(end - pos, ret))
3517                                 return pos - buf;
3518                         pos += ret;
3519                 }
3520         }
3521
3522         return pos - buf;
3523 }
3524
3525
3526 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3527                                               struct wpa_driver_capa *capa,
3528                                               char *buf, size_t buflen)
3529 {
3530         int ret;
3531         char *pos, *end;
3532         size_t len;
3533
3534         pos = buf;
3535         end = pos + buflen;
3536
3537         if (res < 0) {
3538                 if (strict)
3539                         return 0;
3540                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3541                                  "NONE", buflen);
3542                 if (len >= buflen)
3543                         return -1;
3544                 return len;
3545         }
3546
3547         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3548         if (os_snprintf_error(end - pos, ret))
3549                 return pos - buf;
3550         pos += ret;
3551
3552         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3553                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3554                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3555                 if (os_snprintf_error(end - pos, ret))
3556                         return pos - buf;
3557                 pos += ret;
3558         }
3559
3560         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3561                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3562                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3563                 if (os_snprintf_error(end - pos, ret))
3564                         return pos - buf;
3565                 pos += ret;
3566         }
3567
3568         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3569                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3570                 if (os_snprintf_error(end - pos, ret))
3571                         return pos - buf;
3572                 pos += ret;
3573         }
3574
3575 #ifdef CONFIG_SUITEB
3576         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B) {
3577                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B");
3578                 if (os_snprintf_error(end - pos, ret))
3579                         return pos - buf;
3580                 pos += ret;
3581         }
3582 #endif /* CONFIG_SUITEB */
3583 #ifdef CONFIG_SUITEB192
3584         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192) {
3585                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B-192");
3586                 if (os_snprintf_error(end - pos, ret))
3587                         return pos - buf;
3588                 pos += ret;
3589         }
3590 #endif /* CONFIG_SUITEB192 */
3591
3592         return pos - buf;
3593 }
3594
3595
3596 static int ctrl_iface_get_capability_proto(int res, char *strict,
3597                                            struct wpa_driver_capa *capa,
3598                                            char *buf, size_t buflen)
3599 {
3600         int ret;
3601         char *pos, *end;
3602         size_t len;
3603
3604         pos = buf;
3605         end = pos + buflen;
3606
3607         if (res < 0) {
3608                 if (strict)
3609                         return 0;
3610                 len = os_strlcpy(buf, "RSN WPA", buflen);
3611                 if (len >= buflen)
3612                         return -1;
3613                 return len;
3614         }
3615
3616         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3617                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3618                 ret = os_snprintf(pos, end - pos, "%sRSN",
3619                                   pos == buf ? "" : " ");
3620                 if (os_snprintf_error(end - pos, ret))
3621                         return pos - buf;
3622                 pos += ret;
3623         }
3624
3625         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3626                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3627                 ret = os_snprintf(pos, end - pos, "%sWPA",
3628                                   pos == buf ? "" : " ");
3629                 if (os_snprintf_error(end - pos, ret))
3630                         return pos - buf;
3631                 pos += ret;
3632         }
3633
3634         return pos - buf;
3635 }
3636
3637
3638 static int ctrl_iface_get_capability_auth_alg(struct wpa_supplicant *wpa_s,
3639                                               int res, char *strict,
3640                                               struct wpa_driver_capa *capa,
3641                                               char *buf, size_t buflen)
3642 {
3643         int ret;
3644         char *pos, *end;
3645         size_t len;
3646
3647         pos = buf;
3648         end = pos + buflen;
3649
3650         if (res < 0) {
3651                 if (strict)
3652                         return 0;
3653                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3654                 if (len >= buflen)
3655                         return -1;
3656                 return len;
3657         }
3658
3659         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3660                 ret = os_snprintf(pos, end - pos, "%sOPEN",
3661                                   pos == buf ? "" : " ");
3662                 if (os_snprintf_error(end - pos, ret))
3663                         return pos - buf;
3664                 pos += ret;
3665         }
3666
3667         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3668                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3669                                   pos == buf ? "" : " ");
3670                 if (os_snprintf_error(end - pos, ret))
3671                         return pos - buf;
3672                 pos += ret;
3673         }
3674
3675         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3676                 ret = os_snprintf(pos, end - pos, "%sLEAP",
3677                                   pos == buf ? "" : " ");
3678                 if (os_snprintf_error(end - pos, ret))
3679                         return pos - buf;
3680                 pos += ret;
3681         }
3682
3683 #ifdef CONFIG_SAE
3684         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE) {
3685                 ret = os_snprintf(pos, end - pos, "%sSAE",
3686                                   pos == buf ? "" : " ");
3687                 if (os_snprintf_error(end - pos, ret))
3688                         return pos - buf;
3689                 pos += ret;
3690         }
3691 #endif /* CONFIG_SAE */
3692
3693         return pos - buf;
3694 }
3695
3696
3697 static int ctrl_iface_get_capability_modes(int res, char *strict,
3698                                            struct wpa_driver_capa *capa,
3699                                            char *buf, size_t buflen)
3700 {
3701         int ret;
3702         char *pos, *end;
3703         size_t len;
3704
3705         pos = buf;
3706         end = pos + buflen;
3707
3708         if (res < 0) {
3709                 if (strict)
3710                         return 0;
3711                 len = os_strlcpy(buf, "IBSS AP", buflen);
3712                 if (len >= buflen)
3713                         return -1;
3714                 return len;
3715         }
3716
3717         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3718                 ret = os_snprintf(pos, end - pos, "%sIBSS",
3719                                   pos == buf ? "" : " ");
3720                 if (os_snprintf_error(end - pos, ret))
3721                         return pos - buf;
3722                 pos += ret;
3723         }
3724
3725         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3726                 ret = os_snprintf(pos, end - pos, "%sAP",
3727                                   pos == buf ? "" : " ");
3728                 if (os_snprintf_error(end - pos, ret))
3729                         return pos - buf;
3730                 pos += ret;
3731         }
3732
3733 #ifdef CONFIG_MESH
3734         if (capa->flags & WPA_DRIVER_FLAGS_MESH) {
3735                 ret = os_snprintf(pos, end - pos, "%sMESH",
3736                                   pos == buf ? "" : " ");
3737                 if (os_snprintf_error(end - pos, ret))
3738                         return pos - buf;
3739                 pos += ret;
3740         }
3741 #endif /* CONFIG_MESH */
3742
3743         return pos - buf;
3744 }
3745
3746
3747 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3748                                               char *buf, size_t buflen)
3749 {
3750         struct hostapd_channel_data *chnl;
3751         int ret, i, j;
3752         char *pos, *end, *hmode;
3753
3754         pos = buf;
3755         end = pos + buflen;
3756
3757         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3758                 switch (wpa_s->hw.modes[j].mode) {
3759                 case HOSTAPD_MODE_IEEE80211B:
3760                         hmode = "B";
3761                         break;
3762                 case HOSTAPD_MODE_IEEE80211G:
3763                         hmode = "G";
3764                         break;
3765                 case HOSTAPD_MODE_IEEE80211A:
3766                         hmode = "A";
3767                         break;
3768                 case HOSTAPD_MODE_IEEE80211AD:
3769                         hmode = "AD";
3770                         break;
3771                 default:
3772                         continue;
3773                 }
3774                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3775                 if (os_snprintf_error(end - pos, ret))
3776                         return pos - buf;
3777                 pos += ret;
3778                 chnl = wpa_s->hw.modes[j].channels;
3779                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3780                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3781                                 continue;
3782                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3783                         if (os_snprintf_error(end - pos, ret))
3784                                 return pos - buf;
3785                         pos += ret;
3786                 }
3787                 ret = os_snprintf(pos, end - pos, "\n");
3788                 if (os_snprintf_error(end - pos, ret))
3789                         return pos - buf;
3790                 pos += ret;
3791         }
3792
3793         return pos - buf;
3794 }
3795
3796
3797 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3798                                           char *buf, size_t buflen)
3799 {
3800         struct hostapd_channel_data *chnl;
3801         int ret, i, j;
3802         char *pos, *end, *hmode;
3803
3804         pos = buf;
3805         end = pos + buflen;
3806
3807         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3808                 switch (wpa_s->hw.modes[j].mode) {
3809                 case HOSTAPD_MODE_IEEE80211B:
3810                         hmode = "B";
3811                         break;
3812                 case HOSTAPD_MODE_IEEE80211G:
3813                         hmode = "G";
3814                         break;
3815                 case HOSTAPD_MODE_IEEE80211A:
3816                         hmode = "A";
3817                         break;
3818                 case HOSTAPD_MODE_IEEE80211AD:
3819                         hmode = "AD";
3820                         break;
3821                 default:
3822                         continue;
3823                 }
3824                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3825                                   hmode);
3826                 if (os_snprintf_error(end - pos, ret))
3827                         return pos - buf;
3828                 pos += ret;
3829                 chnl = wpa_s->hw.modes[j].channels;
3830                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3831                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3832                                 continue;
3833                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3834                                           chnl[i].chan, chnl[i].freq,
3835                                           chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
3836                                           " (NO_IR)" : "",
3837                                           chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3838                                           " (DFS)" : "");
3839
3840                         if (os_snprintf_error(end - pos, ret))
3841                                 return pos - buf;
3842                         pos += ret;
3843                 }
3844                 ret = os_snprintf(pos, end - pos, "\n");
3845                 if (os_snprintf_error(end - pos, ret))
3846                         return pos - buf;
3847                 pos += ret;
3848         }
3849
3850         return pos - buf;
3851 }
3852
3853
3854 static int wpa_supplicant_ctrl_iface_get_capability(
3855         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3856         size_t buflen)
3857 {
3858         struct wpa_driver_capa capa;
3859         int res;
3860         char *strict;
3861         char field[30];
3862         size_t len;
3863
3864         /* Determine whether or not strict checking was requested */
3865         len = os_strlcpy(field, _field, sizeof(field));
3866         if (len >= sizeof(field))
3867                 return -1;
3868         strict = os_strchr(field, ' ');
3869         if (strict != NULL) {
3870                 *strict++ = '\0';
3871                 if (os_strcmp(strict, "strict") != 0)
3872                         return -1;
3873         }
3874
3875         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3876                 field, strict ? strict : "");
3877
3878         if (os_strcmp(field, "eap") == 0) {
3879                 return eap_get_names(buf, buflen);
3880         }
3881
3882         res = wpa_drv_get_capa(wpa_s, &capa);
3883
3884         if (os_strcmp(field, "pairwise") == 0)
3885                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3886                                                           buf, buflen);
3887
3888         if (os_strcmp(field, "group") == 0)
3889                 return ctrl_iface_get_capability_group(res, strict, &capa,
3890                                                        buf, buflen);
3891
3892         if (os_strcmp(field, "group_mgmt") == 0)
3893                 return ctrl_iface_get_capability_group_mgmt(res, strict, &capa,
3894                                                             buf, buflen);
3895
3896         if (os_strcmp(field, "key_mgmt") == 0)
3897                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3898                                                           buf, buflen);
3899
3900         if (os_strcmp(field, "proto") == 0)
3901                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3902                                                        buf, buflen);
3903
3904         if (os_strcmp(field, "auth_alg") == 0)
3905                 return ctrl_iface_get_capability_auth_alg(wpa_s, res, strict,
3906                                                           &capa, buf, buflen);
3907
3908         if (os_strcmp(field, "modes") == 0)
3909                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3910                                                        buf, buflen);
3911
3912         if (os_strcmp(field, "channels") == 0)
3913                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3914
3915         if (os_strcmp(field, "freq") == 0)
3916                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3917
3918 #ifdef CONFIG_TDLS
3919         if (os_strcmp(field, "tdls") == 0)
3920                 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3921 #endif /* CONFIG_TDLS */
3922
3923 #ifdef CONFIG_ERP
3924         if (os_strcmp(field, "erp") == 0) {
3925                 res = os_snprintf(buf, buflen, "ERP");
3926                 if (os_snprintf_error(buflen, res))
3927                         return -1;
3928                 return res;
3929         }
3930 #endif /* CONFIG_EPR */
3931
3932         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3933                    field);
3934
3935         return -1;
3936 }
3937
3938
3939 #ifdef CONFIG_INTERWORKING
3940 static char * anqp_add_hex(char *pos, char *end, const char *title,
3941                            struct wpabuf *data)
3942 {
3943         char *start = pos;
3944         size_t i;
3945         int ret;
3946         const u8 *d;
3947
3948         if (data == NULL)
3949                 return start;
3950
3951         ret = os_snprintf(pos, end - pos, "%s=", title);
3952         if (os_snprintf_error(end - pos, ret))
3953                 return start;
3954         pos += ret;
3955
3956         d = wpabuf_head_u8(data);
3957         for (i = 0; i < wpabuf_len(data); i++) {
3958                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3959                 if (os_snprintf_error(end - pos, ret))
3960                         return start;
3961                 pos += ret;
3962         }
3963
3964         ret = os_snprintf(pos, end - pos, "\n");
3965         if (os_snprintf_error(end - pos, ret))
3966                 return start;
3967         pos += ret;
3968
3969         return pos;
3970 }
3971 #endif /* CONFIG_INTERWORKING */
3972
3973
3974 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3975                           unsigned long mask, char *buf, size_t buflen)
3976 {
3977         size_t i;
3978         int ret;
3979         char *pos, *end;
3980         const u8 *ie, *ie2, *osen_ie;
3981
3982         pos = buf;
3983         end = buf + buflen;
3984
3985         if (mask & WPA_BSS_MASK_ID) {
3986                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3987                 if (os_snprintf_error(end - pos, ret))
3988                         return 0;
3989                 pos += ret;
3990         }
3991
3992         if (mask & WPA_BSS_MASK_BSSID) {
3993                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3994                                   MAC2STR(bss->bssid));
3995                 if (os_snprintf_error(end - pos, ret))
3996                         return 0;
3997                 pos += ret;
3998         }
3999
4000         if (mask & WPA_BSS_MASK_FREQ) {
4001                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
4002                 if (os_snprintf_error(end - pos, ret))
4003                         return 0;
4004                 pos += ret;
4005         }
4006
4007         if (mask & WPA_BSS_MASK_BEACON_INT) {
4008                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
4009                                   bss->beacon_int);
4010                 if (os_snprintf_error(end - pos, ret))
4011                         return 0;
4012                 pos += ret;
4013         }
4014
4015         if (mask & WPA_BSS_MASK_CAPABILITIES) {
4016                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
4017                                   bss->caps);
4018                 if (os_snprintf_error(end - pos, ret))
4019                         return 0;
4020                 pos += ret;
4021         }
4022
4023         if (mask & WPA_BSS_MASK_QUAL) {
4024                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
4025                 if (os_snprintf_error(end - pos, ret))
4026                         return 0;
4027                 pos += ret;
4028         }
4029
4030         if (mask & WPA_BSS_MASK_NOISE) {
4031                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
4032                 if (os_snprintf_error(end - pos, ret))
4033                         return 0;
4034                 pos += ret;
4035         }
4036
4037         if (mask & WPA_BSS_MASK_LEVEL) {
4038                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
4039                 if (os_snprintf_error(end - pos, ret))
4040                         return 0;
4041                 pos += ret;
4042         }
4043
4044         if (mask & WPA_BSS_MASK_TSF) {
4045                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
4046                                   (unsigned long long) bss->tsf);
4047                 if (os_snprintf_error(end - pos, ret))
4048                         return 0;
4049                 pos += ret;
4050         }
4051
4052         if (mask & WPA_BSS_MASK_AGE) {
4053                 struct os_reltime now;
4054
4055                 os_get_reltime(&now);
4056                 ret = os_snprintf(pos, end - pos, "age=%d\n",
4057                                   (int) (now.sec - bss->last_update.sec));
4058                 if (os_snprintf_error(end - pos, ret))
4059                         return 0;
4060                 pos += ret;
4061         }
4062
4063         if (mask & WPA_BSS_MASK_IE) {
4064                 ret = os_snprintf(pos, end - pos, "ie=");
4065                 if (os_snprintf_error(end - pos, ret))
4066                         return 0;
4067                 pos += ret;
4068
4069                 ie = (const u8 *) (bss + 1);
4070                 for (i = 0; i < bss->ie_len; i++) {
4071                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4072                         if (os_snprintf_error(end - pos, ret))
4073                                 return 0;
4074                         pos += ret;
4075                 }
4076
4077                 ret = os_snprintf(pos, end - pos, "\n");
4078                 if (os_snprintf_error(end - pos, ret))
4079                         return 0;
4080                 pos += ret;
4081         }
4082
4083         if (mask & WPA_BSS_MASK_FLAGS) {
4084                 ret = os_snprintf(pos, end - pos, "flags=");
4085                 if (os_snprintf_error(end - pos, ret))
4086                         return 0;
4087                 pos += ret;
4088
4089                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
4090                 if (ie)
4091                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
4092                                                     2 + ie[1]);
4093                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4094                 if (ie2)
4095                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
4096                                                     2 + ie2[1]);
4097                 osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
4098                 if (osen_ie)
4099                         pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
4100                                                     osen_ie, 2 + osen_ie[1]);
4101                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
4102                 if (!ie && !ie2 && !osen_ie &&
4103                     (bss->caps & IEEE80211_CAP_PRIVACY)) {
4104                         ret = os_snprintf(pos, end - pos, "[WEP]");
4105                         if (os_snprintf_error(end - pos, ret))
4106                                 return 0;
4107                         pos += ret;
4108                 }
4109                 if (bss_is_dmg(bss)) {
4110                         const char *s;
4111                         ret = os_snprintf(pos, end - pos, "[DMG]");
4112                         if (os_snprintf_error(end - pos, ret))
4113                                 return 0;
4114                         pos += ret;
4115                         switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
4116                         case IEEE80211_CAP_DMG_IBSS:
4117                                 s = "[IBSS]";
4118                                 break;
4119                         case IEEE80211_CAP_DMG_AP:
4120                                 s = "[ESS]";
4121                                 break;
4122                         case IEEE80211_CAP_DMG_PBSS:
4123                                 s = "[PBSS]";
4124                                 break;
4125                         default:
4126                                 s = "";
4127                                 break;
4128                         }
4129                         ret = os_snprintf(pos, end - pos, "%s", s);
4130                         if (os_snprintf_error(end - pos, ret))
4131                                 return 0;
4132                         pos += ret;
4133                 } else {
4134                         if (bss->caps & IEEE80211_CAP_IBSS) {
4135                                 ret = os_snprintf(pos, end - pos, "[IBSS]");
4136                                 if (os_snprintf_error(end - pos, ret))
4137                                         return 0;
4138                                 pos += ret;
4139                         }
4140                         if (bss->caps & IEEE80211_CAP_ESS) {
4141                                 ret = os_snprintf(pos, end - pos, "[ESS]");
4142                                 if (os_snprintf_error(end - pos, ret))
4143                                         return 0;
4144                                 pos += ret;
4145                         }
4146                 }
4147                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
4148                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
4149                         ret = os_snprintf(pos, end - pos, "[P2P]");
4150                         if (os_snprintf_error(end - pos, ret))
4151                                 return 0;
4152                         pos += ret;
4153                 }
4154 #ifdef CONFIG_HS20
4155                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
4156                         ret = os_snprintf(pos, end - pos, "[HS20]");
4157                         if (os_snprintf_error(end - pos, ret))
4158                                 return 0;
4159                         pos += ret;
4160                 }
4161 #endif /* CONFIG_HS20 */
4162
4163                 ret = os_snprintf(pos, end - pos, "\n");
4164                 if (os_snprintf_error(end - pos, ret))
4165                         return 0;
4166                 pos += ret;
4167         }
4168
4169         if (mask & WPA_BSS_MASK_SSID) {
4170                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
4171                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
4172                 if (os_snprintf_error(end - pos, ret))
4173                         return 0;
4174                 pos += ret;
4175         }
4176
4177 #ifdef CONFIG_WPS
4178         if (mask & WPA_BSS_MASK_WPS_SCAN) {
4179                 ie = (const u8 *) (bss + 1);
4180                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
4181                 if (ret < 0 || ret >= end - pos)
4182                         return 0;
4183                 pos += ret;
4184         }
4185 #endif /* CONFIG_WPS */
4186
4187 #ifdef CONFIG_P2P
4188         if (mask & WPA_BSS_MASK_P2P_SCAN) {
4189                 ie = (const u8 *) (bss + 1);
4190                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
4191                 if (ret < 0 || ret >= end - pos)
4192                         return 0;
4193                 pos += ret;
4194         }
4195 #endif /* CONFIG_P2P */
4196
4197 #ifdef CONFIG_WIFI_DISPLAY
4198         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
4199                 struct wpabuf *wfd;
4200                 ie = (const u8 *) (bss + 1);
4201                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
4202                                                   WFD_IE_VENDOR_TYPE);
4203                 if (wfd) {
4204                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
4205                         if (os_snprintf_error(end - pos, ret)) {
4206                                 wpabuf_free(wfd);
4207                                 return 0;
4208                         }
4209                         pos += ret;
4210
4211                         pos += wpa_snprintf_hex(pos, end - pos,
4212                                                 wpabuf_head(wfd),
4213                                                 wpabuf_len(wfd));
4214                         wpabuf_free(wfd);
4215
4216                         ret = os_snprintf(pos, end - pos, "\n");
4217                         if (os_snprintf_error(end - pos, ret))
4218                                 return 0;
4219                         pos += ret;
4220                 }
4221         }
4222 #endif /* CONFIG_WIFI_DISPLAY */
4223
4224 #ifdef CONFIG_INTERWORKING
4225         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
4226                 struct wpa_bss_anqp *anqp = bss->anqp;
4227                 pos = anqp_add_hex(pos, end, "anqp_capability_list",
4228                                    anqp->capability_list);
4229                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
4230                                    anqp->venue_name);
4231                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4232                                    anqp->network_auth_type);
4233                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4234                                    anqp->roaming_consortium);
4235                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4236                                    anqp->ip_addr_type_availability);
4237                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4238                                    anqp->nai_realm);
4239                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4240                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
4241                                    anqp->domain_name);
4242 #ifdef CONFIG_HS20
4243                 pos = anqp_add_hex(pos, end, "hs20_capability_list",
4244                                    anqp->hs20_capability_list);
4245                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4246                                    anqp->hs20_operator_friendly_name);
4247                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4248                                    anqp->hs20_wan_metrics);
4249                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4250                                    anqp->hs20_connection_capability);
4251                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
4252                                    anqp->hs20_operating_class);
4253                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4254                                    anqp->hs20_osu_providers_list);
4255 #endif /* CONFIG_HS20 */
4256         }
4257 #endif /* CONFIG_INTERWORKING */
4258
4259 #ifdef CONFIG_MESH
4260         if (mask & WPA_BSS_MASK_MESH_SCAN) {
4261                 ie = (const u8 *) (bss + 1);
4262                 ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4263                 if (ret < 0 || ret >= end - pos)
4264                         return 0;
4265                 pos += ret;
4266         }
4267 #endif /* CONFIG_MESH */
4268
4269         if (mask & WPA_BSS_MASK_SNR) {
4270                 ret = os_snprintf(pos, end - pos, "snr=%d\n", bss->snr);
4271                 if (os_snprintf_error(end - pos, ret))
4272                         return 0;
4273                 pos += ret;
4274         }
4275
4276         if (mask & WPA_BSS_MASK_EST_THROUGHPUT) {
4277                 ret = os_snprintf(pos, end - pos, "est_throughput=%d\n",
4278                                   bss->est_throughput);
4279                 if (os_snprintf_error(end - pos, ret))
4280                         return 0;
4281                 pos += ret;
4282         }
4283
4284         if (mask & WPA_BSS_MASK_DELIM) {
4285                 ret = os_snprintf(pos, end - pos, "====\n");
4286                 if (os_snprintf_error(end - pos, ret))
4287                         return 0;
4288                 pos += ret;
4289         }
4290
4291         return pos - buf;
4292 }
4293
4294
4295 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
4296                                          const char *cmd, char *buf,
4297                                          size_t buflen)
4298 {
4299         u8 bssid[ETH_ALEN];
4300         size_t i;
4301         struct wpa_bss *bss;
4302         struct wpa_bss *bsslast = NULL;
4303         struct dl_list *next;
4304         int ret = 0;
4305         int len;
4306         char *ctmp, *end = buf + buflen;
4307         unsigned long mask = WPA_BSS_MASK_ALL;
4308
4309         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
4310                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
4311                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
4312                                             list_id);
4313                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
4314                                                list_id);
4315                 } else { /* N1-N2 */
4316                         unsigned int id1, id2;
4317
4318                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
4319                                 wpa_printf(MSG_INFO, "Wrong BSS range "
4320                                            "format");
4321                                 return 0;
4322                         }
4323
4324                         if (*(cmd + 6) == '-')
4325                                 id1 = 0;
4326                         else
4327                                 id1 = atoi(cmd + 6);
4328                         ctmp++;
4329                         if (*ctmp >= '0' && *ctmp <= '9')
4330                                 id2 = atoi(ctmp);
4331                         else
4332                                 id2 = (unsigned int) -1;
4333                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4334                         if (id2 == (unsigned int) -1)
4335                                 bsslast = dl_list_last(&wpa_s->bss_id,
4336                                                        struct wpa_bss,
4337                                                        list_id);
4338                         else {
4339                                 bsslast = wpa_bss_get_id(wpa_s, id2);
4340                                 if (bsslast == NULL && bss && id2 > id1) {
4341                                         struct wpa_bss *tmp = bss;
4342                                         for (;;) {
4343                                                 next = tmp->list_id.next;
4344                                                 if (next == &wpa_s->bss_id)
4345                                                         break;
4346                                                 tmp = dl_list_entry(
4347                                                         next, struct wpa_bss,
4348                                                         list_id);
4349                                                 if (tmp->id > id2)
4350                                                         break;
4351                                                 bsslast = tmp;
4352                                         }
4353                                 }
4354                         }
4355                 }
4356         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
4357                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4358         else if (os_strncmp(cmd, "LAST", 4) == 0)
4359                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4360         else if (os_strncmp(cmd, "ID-", 3) == 0) {
4361                 i = atoi(cmd + 3);
4362                 bss = wpa_bss_get_id(wpa_s, i);
4363         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4364                 i = atoi(cmd + 5);
4365                 bss = wpa_bss_get_id(wpa_s, i);
4366                 if (bss) {
4367                         next = bss->list_id.next;
4368                         if (next == &wpa_s->bss_id)
4369                                 bss = NULL;
4370                         else
4371                                 bss = dl_list_entry(next, struct wpa_bss,
4372                                                     list_id);
4373                 }
4374 #ifdef CONFIG_P2P
4375         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4376                 if (hwaddr_aton(cmd + 13, bssid) == 0)
4377                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4378                 else
4379                         bss = NULL;
4380 #endif /* CONFIG_P2P */
4381         } else if (hwaddr_aton(cmd, bssid) == 0)
4382                 bss = wpa_bss_get_bssid(wpa_s, bssid);
4383         else {
4384                 struct wpa_bss *tmp;
4385                 i = atoi(cmd);
4386                 bss = NULL;
4387                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4388                 {
4389                         if (i-- == 0) {
4390                                 bss = tmp;
4391                                 break;
4392                         }
4393                 }
4394         }
4395
4396         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4397                 mask = strtoul(ctmp + 5, NULL, 0x10);
4398                 if (mask == 0)
4399                         mask = WPA_BSS_MASK_ALL;
4400         }
4401
4402         if (bss == NULL)
4403                 return 0;
4404
4405         if (bsslast == NULL)
4406                 bsslast = bss;
4407         do {
4408                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4409                 ret += len;
4410                 buf += len;
4411                 buflen -= len;
4412                 if (bss == bsslast) {
4413                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
4414                             (bss == dl_list_last(&wpa_s->bss_id,
4415                                                  struct wpa_bss, list_id))) {
4416                                 int res;
4417
4418                                 res = os_snprintf(buf - 5, end - buf + 5,
4419                                                   "####\n");
4420                                 if (os_snprintf_error(end - buf + 5, res)) {
4421                                         wpa_printf(MSG_DEBUG,
4422                                                    "Could not add end delim");
4423                                 }
4424                         }
4425                         break;
4426                 }
4427                 next = bss->list_id.next;
4428                 if (next == &wpa_s->bss_id)
4429                         break;
4430                 bss = dl_list_entry(next, struct wpa_bss, list_id);
4431         } while (bss && len);
4432
4433         return ret;
4434 }
4435
4436
4437 static int wpa_supplicant_ctrl_iface_ap_scan(
4438         struct wpa_supplicant *wpa_s, char *cmd)
4439 {
4440         int ap_scan = atoi(cmd);
4441         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4442 }
4443
4444
4445 static int wpa_supplicant_ctrl_iface_scan_interval(
4446         struct wpa_supplicant *wpa_s, char *cmd)
4447 {
4448         int scan_int = atoi(cmd);
4449         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4450 }
4451
4452
4453 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4454         struct wpa_supplicant *wpa_s, char *cmd)
4455 {
4456         int expire_age = atoi(cmd);
4457         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4458 }
4459
4460
4461 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4462         struct wpa_supplicant *wpa_s, char *cmd)
4463 {
4464         int expire_count = atoi(cmd);
4465         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4466 }
4467
4468
4469 static void wpa_supplicant_ctrl_iface_bss_flush(
4470         struct wpa_supplicant *wpa_s, char *cmd)
4471 {
4472         int flush_age = atoi(cmd);
4473
4474         if (flush_age == 0)
4475                 wpa_bss_flush(wpa_s);
4476         else
4477                 wpa_bss_flush_by_age(wpa_s, flush_age);
4478 }
4479
4480
4481 #ifdef CONFIG_TESTING_OPTIONS
4482 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4483 {
4484         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4485         /* MLME-DELETEKEYS.request */
4486         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4487         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4488         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4489         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4490 #ifdef CONFIG_IEEE80211W
4491         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4492         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4493 #endif /* CONFIG_IEEE80211W */
4494
4495         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4496                         0);
4497         /* MLME-SETPROTECTION.request(None) */
4498         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4499                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4500                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4501         wpa_sm_drop_sa(wpa_s->wpa);
4502 }
4503 #endif /* CONFIG_TESTING_OPTIONS */
4504
4505
4506 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4507                                           char *addr)
4508 {
4509 #ifdef CONFIG_NO_SCAN_PROCESSING
4510         return -1;
4511 #else /* CONFIG_NO_SCAN_PROCESSING */
4512         u8 bssid[ETH_ALEN];
4513         struct wpa_bss *bss;
4514         struct wpa_ssid *ssid = wpa_s->current_ssid;
4515
4516         if (hwaddr_aton(addr, bssid)) {
4517                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4518                            "address '%s'", addr);
4519                 return -1;
4520         }
4521
4522         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4523
4524         if (!ssid) {
4525                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4526                            "configuration known for the target AP");
4527                 return -1;
4528         }
4529
4530         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4531         if (!bss) {
4532                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4533                            "from BSS table");
4534                 return -1;
4535         }
4536
4537         /*
4538          * TODO: Find best network configuration block from configuration to
4539          * allow roaming to other networks
4540          */
4541
4542         wpa_s->reassociate = 1;
4543         wpa_supplicant_connect(wpa_s, bss, ssid);
4544
4545         return 0;
4546 #endif /* CONFIG_NO_SCAN_PROCESSING */
4547 }
4548
4549
4550 #ifdef CONFIG_P2P
4551 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4552 {
4553         unsigned int timeout = atoi(cmd);
4554         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4555         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4556         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4557         char *pos;
4558         unsigned int search_delay;
4559         const char *_seek[P2P_MAX_QUERY_HASH + 1], **seek = NULL;
4560         u8 seek_count = 0;
4561         int freq = 0;
4562
4563         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4564                 wpa_dbg(wpa_s, MSG_INFO,
4565                         "Reject P2P_FIND since interface is disabled");
4566                 return -1;
4567         }
4568         if (os_strstr(cmd, "type=social"))
4569                 type = P2P_FIND_ONLY_SOCIAL;
4570         else if (os_strstr(cmd, "type=progressive"))
4571                 type = P2P_FIND_PROGRESSIVE;
4572
4573         pos = os_strstr(cmd, "dev_id=");
4574         if (pos) {
4575                 pos += 7;
4576                 if (hwaddr_aton(pos, dev_id))
4577                         return -1;
4578                 _dev_id = dev_id;
4579         }
4580
4581         pos = os_strstr(cmd, "dev_type=");
4582         if (pos) {
4583                 pos += 9;
4584                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4585                         return -1;
4586                 _dev_type = dev_type;
4587         }
4588
4589         pos = os_strstr(cmd, "delay=");
4590         if (pos) {
4591                 pos += 6;
4592                 search_delay = atoi(pos);
4593         } else
4594                 search_delay = wpas_p2p_search_delay(wpa_s);
4595
4596         /* Must be searched for last, because it adds nul termination */
4597         pos = os_strstr(cmd, " seek=");
4598         while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
4599                 char *term;
4600
4601                 term = os_strchr(pos + 1, ' ');
4602                 _seek[seek_count++] = pos + 6;
4603                 seek = _seek;
4604                 pos = os_strstr(pos + 6, " seek=");
4605
4606                 if (term)
4607                         *term = '\0';
4608         }
4609         if (seek_count > P2P_MAX_QUERY_HASH) {
4610                 seek[0] = NULL;
4611                 seek_count = 1;
4612         }
4613
4614         pos = os_strstr(cmd, "freq=");
4615         if (pos) {
4616                 pos += 5;
4617                 freq = atoi(pos);
4618                 if (freq <= 0)
4619                         return -1;
4620         }
4621
4622         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4623                              _dev_id, search_delay, seek_count, seek, freq);
4624 }
4625
4626
4627 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
4628 {
4629         struct p2ps_provision *p2ps_prov;
4630         char *pos;
4631         size_t info_len = 0;
4632         char *info = NULL;
4633         u8 role = P2PS_SETUP_NONE;
4634         long long unsigned val;
4635
4636         pos = os_strstr(cmd, "info=");
4637         if (pos) {
4638                 pos += 5;
4639                 info_len = os_strlen(pos);
4640
4641                 if (info_len) {
4642                         info = os_malloc(info_len + 1);
4643                         if (info) {
4644                                 info_len = utf8_unescape(pos, info_len,
4645                                                          info, info_len + 1);
4646                         } else
4647                                 info_len = 0;
4648                 }
4649         }
4650
4651         p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
4652         if (p2ps_prov == NULL) {
4653                 os_free(info);
4654                 return NULL;
4655         }
4656
4657         if (info) {
4658                 os_memcpy(p2ps_prov->info, info, info_len);
4659                 p2ps_prov->info[info_len] = '\0';
4660                 os_free(info);
4661         }
4662
4663         pos = os_strstr(cmd, "status=");
4664         if (pos)
4665                 p2ps_prov->status = atoi(pos + 7);
4666         else
4667                 p2ps_prov->status = -1;
4668
4669         pos = os_strstr(cmd, "adv_id=");
4670         if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
4671                 goto invalid_args;
4672         p2ps_prov->adv_id = val;
4673
4674         pos = os_strstr(cmd, "method=");
4675         if (pos)
4676                 p2ps_prov->method = strtol(pos + 7, NULL, 16);
4677         else
4678                 p2ps_prov->method = 0;
4679
4680         pos = os_strstr(cmd, "session=");
4681         if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
4682                 goto invalid_args;
4683         p2ps_prov->session_id = val;
4684
4685         pos = os_strstr(cmd, "adv_mac=");
4686         if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
4687                 goto invalid_args;
4688
4689         pos = os_strstr(cmd, "session_mac=");
4690         if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
4691                 goto invalid_args;
4692
4693         /* force conncap with tstCap (no sanity checks) */
4694         pos = os_strstr(cmd, "tstCap=");
4695         if (pos) {
4696                 role = strtol(pos + 7, NULL, 16);
4697         } else {
4698                 pos = os_strstr(cmd, "role=");
4699                 if (pos) {
4700                         role = strtol(pos + 5, NULL, 16);
4701                         if (role != P2PS_SETUP_CLIENT &&
4702                             role != P2PS_SETUP_GROUP_OWNER)
4703                                 role = P2PS_SETUP_NONE;
4704                 }
4705         }
4706         p2ps_prov->role = role;
4707
4708         return p2ps_prov;
4709
4710 invalid_args:
4711         os_free(p2ps_prov);
4712         return NULL;
4713 }
4714
4715
4716 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
4717 {
4718         u8 addr[ETH_ALEN];
4719         struct p2ps_provision *p2ps_prov;
4720         char *pos;
4721
4722         /* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
4723
4724         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4725
4726         if (hwaddr_aton(cmd, addr))
4727                 return -1;
4728
4729         pos = cmd + 17;
4730         if (*pos != ' ')
4731                 return -1;
4732
4733         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4734         if (!p2ps_prov)
4735                 return -1;
4736
4737         if (p2ps_prov->status < 0) {
4738                 os_free(p2ps_prov);
4739                 return -1;
4740         }
4741
4742         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4743                                   p2ps_prov);
4744 }
4745
4746
4747 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
4748 {
4749         u8 addr[ETH_ALEN];
4750         struct p2ps_provision *p2ps_prov;
4751         char *pos;
4752
4753         /* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
4754          *        session=<ses_id> mac=<ses_mac> [info=<infodata>]
4755          */
4756
4757         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4758         if (hwaddr_aton(cmd, addr))
4759                 return -1;
4760
4761         pos = cmd + 17;
4762         if (*pos != ' ')
4763                 return -1;
4764
4765         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4766         if (!p2ps_prov)
4767                 return -1;
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_connect(struct wpa_supplicant *wpa_s, char *cmd,
4775                             char *buf, size_t buflen)
4776 {
4777         u8 addr[ETH_ALEN];
4778         char *pos, *pos2;
4779         char *pin = NULL;
4780         enum p2p_wps_method wps_method;
4781         int new_pin;
4782         int ret;
4783         int persistent_group, persistent_id = -1;
4784         int join;
4785         int auth;
4786         int automatic;
4787         int go_intent = -1;
4788         int freq = 0;
4789         int pd;
4790         int ht40, vht;
4791
4792         if (!wpa_s->global->p2p_init_wpa_s)
4793                 return -1;
4794         if (wpa_s->global->p2p_init_wpa_s != wpa_s) {
4795                 wpa_dbg(wpa_s, MSG_DEBUG, "Direct P2P_CONNECT command to %s",
4796                         wpa_s->global->p2p_init_wpa_s->ifname);
4797                 wpa_s = wpa_s->global->p2p_init_wpa_s;
4798         }
4799
4800         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
4801          * [persistent|persistent=<network id>]
4802          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4803          * [ht40] [vht] [auto] */
4804
4805         if (hwaddr_aton(cmd, addr))
4806                 return -1;
4807
4808         pos = cmd + 17;
4809         if (*pos != ' ')
4810                 return -1;
4811         pos++;
4812
4813         persistent_group = os_strstr(pos, " persistent") != NULL;
4814         pos2 = os_strstr(pos, " persistent=");
4815         if (pos2) {
4816                 struct wpa_ssid *ssid;
4817                 persistent_id = atoi(pos2 + 12);
4818                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4819                 if (ssid == NULL || ssid->disabled != 2 ||
4820                     ssid->mode != WPAS_MODE_P2P_GO) {
4821                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4822                                    "SSID id=%d for persistent P2P group (GO)",
4823                                    persistent_id);
4824                         return -1;
4825                 }
4826         }
4827         join = os_strstr(pos, " join") != NULL;
4828         auth = os_strstr(pos, " auth") != NULL;
4829         automatic = os_strstr(pos, " auto") != NULL;
4830         pd = os_strstr(pos, " provdisc") != NULL;
4831         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4832         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4833                 vht;
4834
4835         pos2 = os_strstr(pos, " go_intent=");
4836         if (pos2) {
4837                 pos2 += 11;
4838                 go_intent = atoi(pos2);
4839                 if (go_intent < 0 || go_intent > 15)
4840                         return -1;
4841         }
4842
4843         pos2 = os_strstr(pos, " freq=");
4844         if (pos2) {
4845                 pos2 += 6;
4846                 freq = atoi(pos2);
4847                 if (freq <= 0)
4848                         return -1;
4849         }
4850
4851         if (os_strncmp(pos, "pin", 3) == 0) {
4852                 /* Request random PIN (to be displayed) and enable the PIN */
4853                 wps_method = WPS_PIN_DISPLAY;
4854         } else if (os_strncmp(pos, "pbc", 3) == 0) {
4855                 wps_method = WPS_PBC;
4856         } else {
4857                 pin = pos;
4858                 pos = os_strchr(pin, ' ');
4859                 wps_method = WPS_PIN_KEYPAD;
4860                 if (pos) {
4861                         *pos++ = '\0';
4862                         if (os_strncmp(pos, "display", 7) == 0)
4863                                 wps_method = WPS_PIN_DISPLAY;
4864                         else if (os_strncmp(pos, "p2ps", 4) == 0)
4865                                 wps_method = WPS_P2PS;
4866                 }
4867                 if (!wps_pin_str_valid(pin)) {
4868                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
4869                         return 17;
4870                 }
4871         }
4872
4873         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
4874                                    persistent_group, automatic, join,
4875                                    auth, go_intent, freq, persistent_id, pd,
4876                                    ht40, vht);
4877         if (new_pin == -2) {
4878                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
4879                 return 25;
4880         }
4881         if (new_pin == -3) {
4882                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
4883                 return 25;
4884         }
4885         if (new_pin < 0)
4886                 return -1;
4887         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
4888                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
4889                 if (os_snprintf_error(buflen, ret))
4890                         return -1;
4891                 return ret;
4892         }
4893
4894         os_memcpy(buf, "OK\n", 3);
4895         return 3;
4896 }
4897
4898
4899 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
4900 {
4901         unsigned int timeout = atoi(cmd);
4902         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4903                 wpa_dbg(wpa_s, MSG_INFO,
4904                         "Reject P2P_LISTEN since interface is disabled");
4905                 return -1;
4906         }
4907         return wpas_p2p_listen(wpa_s, timeout);
4908 }
4909
4910
4911 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
4912 {
4913         u8 addr[ETH_ALEN];
4914         char *pos;
4915         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
4916
4917         /* <addr> <config method> [join|auto] */
4918
4919         if (hwaddr_aton(cmd, addr))
4920                 return -1;
4921
4922         pos = cmd + 17;
4923         if (*pos != ' ')
4924                 return -1;
4925         pos++;
4926
4927         if (os_strstr(pos, " join") != NULL)
4928                 use = WPAS_P2P_PD_FOR_JOIN;
4929         else if (os_strstr(pos, " auto") != NULL)
4930                 use = WPAS_P2P_PD_AUTO;
4931
4932         return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
4933 }
4934
4935
4936 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
4937                               size_t buflen)
4938 {
4939         struct wpa_ssid *ssid = wpa_s->current_ssid;
4940
4941         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
4942             ssid->passphrase == NULL)
4943                 return -1;
4944
4945         os_strlcpy(buf, ssid->passphrase, buflen);
4946         return os_strlen(buf);
4947 }
4948
4949
4950 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
4951                                   char *buf, size_t buflen)
4952 {
4953         u64 ref;
4954         int res;
4955         u8 dst_buf[ETH_ALEN], *dst;
4956         struct wpabuf *tlvs;
4957         char *pos;
4958         size_t len;
4959
4960         if (hwaddr_aton(cmd, dst_buf))
4961                 return -1;
4962         dst = dst_buf;
4963         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
4964             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
4965                 dst = NULL;
4966         pos = cmd + 17;
4967         if (*pos != ' ')
4968                 return -1;
4969         pos++;
4970
4971         if (os_strncmp(pos, "upnp ", 5) == 0) {
4972                 u8 version;
4973                 pos += 5;
4974                 if (hexstr2bin(pos, &version, 1) < 0)
4975                         return -1;
4976                 pos += 2;
4977                 if (*pos != ' ')
4978                         return -1;
4979                 pos++;
4980                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
4981 #ifdef CONFIG_WIFI_DISPLAY
4982         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
4983                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
4984 #endif /* CONFIG_WIFI_DISPLAY */
4985         } else if (os_strncmp(pos, "asp ", 4) == 0) {
4986                 char *svc_str;
4987                 char *svc_info = NULL;
4988                 u32 id;
4989
4990                 pos += 4;
4991                 if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
4992                         return -1;
4993
4994                 pos = os_strchr(pos, ' ');
4995                 if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
4996                         return -1;
4997
4998                 svc_str = pos + 1;
4999
5000                 pos = os_strchr(svc_str, ' ');
5001
5002                 if (pos)
5003                         *pos++ = '\0';
5004
5005                 /* All remaining data is the svc_info string */
5006                 if (pos && pos[0] && pos[0] != ' ') {
5007                         len = os_strlen(pos);
5008
5009                         /* Unescape in place */
5010                         len = utf8_unescape(pos, len, pos, len);
5011                         if (len > 0xff)
5012                                 return -1;
5013
5014                         svc_info = pos;
5015                 }
5016
5017                 ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
5018                                               svc_str, svc_info);
5019         } else {
5020                 len = os_strlen(pos);
5021                 if (len & 1)
5022                         return -1;
5023                 len /= 2;
5024                 tlvs = wpabuf_alloc(len);
5025                 if (tlvs == NULL)
5026                         return -1;
5027                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
5028                         wpabuf_free(tlvs);
5029                         return -1;
5030                 }
5031
5032                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
5033                 wpabuf_free(tlvs);
5034         }
5035         if (ref == 0)
5036                 return -1;
5037         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
5038         if (os_snprintf_error(buflen, res))
5039                 return -1;
5040         return res;
5041 }
5042
5043
5044 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
5045                                          char *cmd)
5046 {
5047         long long unsigned val;
5048         u64 req;
5049         if (sscanf(cmd, "%llx", &val) != 1)
5050                 return -1;
5051         req = val;
5052         return wpas_p2p_sd_cancel_request(wpa_s, req);
5053 }
5054
5055
5056 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
5057 {
5058         int freq;
5059         u8 dst[ETH_ALEN];
5060         u8 dialog_token;
5061         struct wpabuf *resp_tlvs;
5062         char *pos, *pos2;
5063         size_t len;
5064
5065         pos = os_strchr(cmd, ' ');
5066         if (pos == NULL)
5067                 return -1;
5068         *pos++ = '\0';
5069         freq = atoi(cmd);
5070         if (freq == 0)
5071                 return -1;
5072
5073         if (hwaddr_aton(pos, dst))
5074                 return -1;
5075         pos += 17;
5076         if (*pos != ' ')
5077                 return -1;
5078         pos++;
5079
5080         pos2 = os_strchr(pos, ' ');
5081         if (pos2 == NULL)
5082                 return -1;
5083         *pos2++ = '\0';
5084         dialog_token = atoi(pos);
5085
5086         len = os_strlen(pos2);
5087         if (len & 1)
5088                 return -1;
5089         len /= 2;
5090         resp_tlvs = wpabuf_alloc(len);
5091         if (resp_tlvs == NULL)
5092                 return -1;
5093         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
5094                 wpabuf_free(resp_tlvs);
5095                 return -1;
5096         }
5097
5098         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
5099         wpabuf_free(resp_tlvs);
5100         return 0;
5101 }
5102
5103
5104 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
5105                                        char *cmd)
5106 {
5107         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
5108                 return -1;
5109         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
5110         return 0;
5111 }
5112
5113
5114 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
5115                                         char *cmd)
5116 {
5117         char *pos;
5118         size_t len;
5119         struct wpabuf *query, *resp;
5120
5121         pos = os_strchr(cmd, ' ');
5122         if (pos == NULL)
5123                 return -1;
5124         *pos++ = '\0';
5125
5126         len = os_strlen(cmd);
5127         if (len & 1)
5128                 return -1;
5129         len /= 2;
5130         query = wpabuf_alloc(len);
5131         if (query == NULL)
5132                 return -1;
5133         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5134                 wpabuf_free(query);
5135                 return -1;
5136         }
5137
5138         len = os_strlen(pos);
5139         if (len & 1) {
5140                 wpabuf_free(query);
5141                 return -1;
5142         }
5143         len /= 2;
5144         resp = wpabuf_alloc(len);
5145         if (resp == NULL) {
5146                 wpabuf_free(query);
5147                 return -1;
5148         }
5149         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
5150                 wpabuf_free(query);
5151                 wpabuf_free(resp);
5152                 return -1;
5153         }
5154
5155         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
5156                 wpabuf_free(query);
5157                 wpabuf_free(resp);
5158                 return -1;
5159         }
5160         return 0;
5161 }
5162
5163
5164 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5165 {
5166         char *pos;
5167         u8 version;
5168
5169         pos = os_strchr(cmd, ' ');
5170         if (pos == NULL)
5171                 return -1;
5172         *pos++ = '\0';
5173
5174         if (hexstr2bin(cmd, &version, 1) < 0)
5175                 return -1;
5176
5177         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
5178 }
5179
5180
5181 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
5182                                     u8 replace, char *cmd)
5183 {
5184         char *pos;
5185         char *adv_str;
5186         u32 auto_accept, adv_id, svc_state, config_methods;
5187         char *svc_info = NULL;
5188
5189         pos = os_strchr(cmd, ' ');
5190         if (pos == NULL)
5191                 return -1;
5192         *pos++ = '\0';
5193
5194         /* Auto-Accept value is mandatory, and must be one of the
5195          * single values (0, 1, 2, 4) */
5196         auto_accept = atoi(cmd);
5197         switch (auto_accept) {
5198         case P2PS_SETUP_NONE: /* No auto-accept */
5199         case P2PS_SETUP_NEW:
5200         case P2PS_SETUP_CLIENT:
5201         case P2PS_SETUP_GROUP_OWNER:
5202                 break;
5203         default:
5204                 return -1;
5205         }
5206
5207         /* Advertisement ID is mandatory */
5208         cmd = pos;
5209         pos = os_strchr(cmd, ' ');
5210         if (pos == NULL)
5211                 return -1;
5212         *pos++ = '\0';
5213
5214         /* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
5215         if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
5216                 return -1;
5217
5218         /* Only allow replacements if exist, and adds if not */
5219         if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
5220                 if (!replace)
5221                         return -1;
5222         } else {
5223                 if (replace)
5224                         return -1;
5225         }
5226
5227         /* svc_state between 0 - 0xff is mandatory */
5228         if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
5229                 return -1;
5230
5231         pos = os_strchr(pos, ' ');
5232         if (pos == NULL)
5233                 return -1;
5234
5235         /* config_methods is mandatory */
5236         pos++;
5237         if (sscanf(pos, "%x", &config_methods) != 1)
5238                 return -1;
5239
5240         if (!(config_methods &
5241               (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
5242                 return -1;
5243
5244         pos = os_strchr(pos, ' ');
5245         if (pos == NULL)
5246                 return -1;
5247
5248         pos++;
5249         adv_str = pos;
5250
5251         /* Advertisement string is mandatory */
5252         if (!pos[0] || pos[0] == ' ')
5253                 return -1;
5254
5255         /* Terminate svc string */
5256         pos = os_strchr(pos, ' ');
5257         if (pos != NULL)
5258                 *pos++ = '\0';
5259
5260         /* Service and Response Information are optional */
5261         if (pos && pos[0]) {
5262                 size_t len;
5263
5264                 /* Note the bare ' included, which cannot exist legally
5265                  * in unescaped string. */
5266                 svc_info = os_strstr(pos, "svc_info='");
5267
5268                 if (svc_info) {
5269                         svc_info += 9;
5270                         len = os_strlen(svc_info);
5271                         utf8_unescape(svc_info, len, svc_info, len);
5272                 }
5273         }
5274
5275         return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
5276                                         (u8) svc_state, (u16) config_methods,
5277                                         svc_info);
5278 }
5279
5280
5281 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
5282 {
5283         char *pos;
5284
5285         pos = os_strchr(cmd, ' ');
5286         if (pos == NULL)
5287                 return -1;
5288         *pos++ = '\0';
5289
5290         if (os_strcmp(cmd, "bonjour") == 0)
5291                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
5292         if (os_strcmp(cmd, "upnp") == 0)
5293                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
5294         if (os_strcmp(cmd, "asp") == 0)
5295                 return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
5296         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5297         return -1;
5298 }
5299
5300
5301 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
5302                                         char *cmd)
5303 {
5304         size_t len;
5305         struct wpabuf *query;
5306         int ret;
5307
5308         len = os_strlen(cmd);
5309         if (len & 1)
5310                 return -1;
5311         len /= 2;
5312         query = wpabuf_alloc(len);
5313         if (query == NULL)
5314                 return -1;
5315         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5316                 wpabuf_free(query);
5317                 return -1;
5318         }
5319
5320         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
5321         wpabuf_free(query);
5322         return ret;
5323 }
5324
5325
5326 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5327 {
5328         char *pos;
5329         u8 version;
5330
5331         pos = os_strchr(cmd, ' ');
5332         if (pos == NULL)
5333                 return -1;
5334         *pos++ = '\0';
5335
5336         if (hexstr2bin(cmd, &version, 1) < 0)
5337                 return -1;
5338
5339         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
5340 }
5341
5342
5343 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
5344 {
5345         u32 adv_id;
5346
5347         if (os_strcmp(cmd, "all") == 0) {
5348                 wpas_p2p_service_flush_asp(wpa_s);
5349                 return 0;
5350         }
5351
5352         if (sscanf(cmd, "%x", &adv_id) != 1)
5353                 return -1;
5354
5355         return wpas_p2p_service_del_asp(wpa_s, adv_id);
5356 }
5357
5358
5359 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
5360 {
5361         char *pos;
5362
5363         pos = os_strchr(cmd, ' ');
5364         if (pos == NULL)
5365                 return -1;
5366         *pos++ = '\0';
5367
5368         if (os_strcmp(cmd, "bonjour") == 0)
5369                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
5370         if (os_strcmp(cmd, "upnp") == 0)
5371                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
5372         if (os_strcmp(cmd, "asp") == 0)
5373                 return p2p_ctrl_service_del_asp(wpa_s, pos);
5374         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5375         return -1;
5376 }
5377
5378
5379 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
5380 {
5381         char *pos;
5382
5383         pos = os_strchr(cmd, ' ');
5384         if (pos == NULL)
5385                 return -1;
5386         *pos++ = '\0';
5387
5388         if (os_strcmp(cmd, "asp") == 0)
5389                 return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
5390
5391         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5392         return -1;
5393 }
5394
5395
5396 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
5397 {
5398         u8 addr[ETH_ALEN];
5399
5400         /* <addr> */
5401
5402         if (hwaddr_aton(cmd, addr))
5403                 return -1;
5404
5405         return wpas_p2p_reject(wpa_s, addr);
5406 }
5407
5408
5409 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
5410 {
5411         char *pos;
5412         int id;
5413         struct wpa_ssid *ssid;
5414         u8 *_peer = NULL, peer[ETH_ALEN];
5415         int freq = 0, pref_freq = 0;
5416         int ht40, vht;
5417
5418         id = atoi(cmd);
5419         pos = os_strstr(cmd, " peer=");
5420         if (pos) {
5421                 pos += 6;
5422                 if (hwaddr_aton(pos, peer))
5423                         return -1;
5424                 _peer = peer;
5425         }
5426         ssid = wpa_config_get_network(wpa_s->conf, id);
5427         if (ssid == NULL || ssid->disabled != 2) {
5428                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5429                            "for persistent P2P group",
5430                            id);
5431                 return -1;
5432         }
5433
5434         pos = os_strstr(cmd, " freq=");
5435         if (pos) {
5436                 pos += 6;
5437                 freq = atoi(pos);
5438                 if (freq <= 0)
5439                         return -1;
5440         }
5441
5442         pos = os_strstr(cmd, " pref=");
5443         if (pos) {
5444                 pos += 6;
5445                 pref_freq = atoi(pos);
5446                 if (pref_freq <= 0)
5447                         return -1;
5448         }
5449
5450         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5451         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5452                 vht;
5453
5454         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
5455                                pref_freq);
5456 }
5457
5458
5459 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
5460 {
5461         char *pos;
5462         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
5463
5464         pos = os_strstr(cmd, " peer=");
5465         if (!pos)
5466                 return -1;
5467
5468         *pos = '\0';
5469         pos += 6;
5470         if (hwaddr_aton(pos, peer)) {
5471                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
5472                 return -1;
5473         }
5474
5475         pos = os_strstr(pos, " go_dev_addr=");
5476         if (pos) {
5477                 pos += 13;
5478                 if (hwaddr_aton(pos, go_dev_addr)) {
5479                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
5480                                    pos);
5481                         return -1;
5482                 }
5483                 go_dev = go_dev_addr;
5484         }
5485
5486         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
5487 }
5488
5489
5490 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
5491 {
5492         if (os_strncmp(cmd, "persistent=", 11) == 0)
5493                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
5494         if (os_strncmp(cmd, "group=", 6) == 0)
5495                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
5496
5497         return -1;
5498 }
5499
5500
5501 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
5502                                          char *cmd, int freq, int ht40,
5503                                          int vht)
5504 {
5505         int id;
5506         struct wpa_ssid *ssid;
5507
5508         id = atoi(cmd);
5509         ssid = wpa_config_get_network(wpa_s->conf, id);
5510         if (ssid == NULL || ssid->disabled != 2) {
5511                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5512                            "for persistent P2P group",
5513                            id);
5514                 return -1;
5515         }
5516
5517         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
5518                                              NULL, 0);
5519 }
5520
5521
5522 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
5523 {
5524         int freq = 0, ht40, vht;
5525         char *pos;
5526
5527         pos = os_strstr(cmd, "freq=");
5528         if (pos)
5529                 freq = atoi(pos + 5);
5530
5531         vht = (os_strstr(cmd, "vht") != NULL) || wpa_s->conf->p2p_go_vht;
5532         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5533                 vht;
5534
5535         if (os_strncmp(cmd, "persistent=", 11) == 0)
5536                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
5537                                                      ht40, vht);
5538         if (os_strcmp(cmd, "persistent") == 0 ||
5539             os_strncmp(cmd, "persistent ", 11) == 0)
5540                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40, vht);
5541         if (os_strncmp(cmd, "freq=", 5) == 0)
5542                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
5543         if (ht40)
5544                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
5545
5546         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
5547                    cmd);
5548         return -1;
5549 }
5550
5551
5552 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
5553                          char *buf, size_t buflen)
5554 {
5555         u8 addr[ETH_ALEN], *addr_ptr;
5556         int next, res;
5557         const struct p2p_peer_info *info;
5558         char *pos, *end;
5559         char devtype[WPS_DEV_TYPE_BUFSIZE];
5560         struct wpa_ssid *ssid;
5561         size_t i;
5562
5563         if (!wpa_s->global->p2p)
5564                 return -1;
5565
5566         if (os_strcmp(cmd, "FIRST") == 0) {
5567                 addr_ptr = NULL;
5568                 next = 0;
5569         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5570                 if (hwaddr_aton(cmd + 5, addr) < 0)
5571                         return -1;
5572                 addr_ptr = addr;
5573                 next = 1;
5574         } else {
5575                 if (hwaddr_aton(cmd, addr) < 0)
5576                         return -1;
5577                 addr_ptr = addr;
5578                 next = 0;
5579         }
5580
5581         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
5582         if (info == NULL)
5583                 return -1;
5584
5585         pos = buf;
5586         end = buf + buflen;
5587
5588         res = os_snprintf(pos, end - pos, MACSTR "\n"
5589                           "pri_dev_type=%s\n"
5590                           "device_name=%s\n"
5591                           "manufacturer=%s\n"
5592                           "model_name=%s\n"
5593                           "model_number=%s\n"
5594                           "serial_number=%s\n"
5595                           "config_methods=0x%x\n"
5596                           "dev_capab=0x%x\n"
5597                           "group_capab=0x%x\n"
5598                           "level=%d\n",
5599                           MAC2STR(info->p2p_device_addr),
5600                           wps_dev_type_bin2str(info->pri_dev_type,
5601                                                devtype, sizeof(devtype)),
5602                           info->device_name,
5603                           info->manufacturer,
5604                           info->model_name,
5605                           info->model_number,
5606                           info->serial_number,
5607                           info->config_methods,
5608                           info->dev_capab,
5609                           info->group_capab,
5610                           info->level);
5611         if (os_snprintf_error(end - pos, res))
5612                 return pos - buf;
5613         pos += res;
5614
5615         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
5616         {
5617                 const u8 *t;
5618                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
5619                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
5620                                   wps_dev_type_bin2str(t, devtype,
5621                                                        sizeof(devtype)));
5622                 if (os_snprintf_error(end - pos, res))
5623                         return pos - buf;
5624                 pos += res;
5625         }
5626
5627         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
5628         if (ssid) {
5629                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
5630                 if (os_snprintf_error(end - pos, res))
5631                         return pos - buf;
5632                 pos += res;
5633         }
5634
5635         res = p2p_get_peer_info_txt(info, pos, end - pos);
5636         if (res < 0)
5637                 return pos - buf;
5638         pos += res;
5639
5640         if (info->vendor_elems) {
5641                 res = os_snprintf(pos, end - pos, "vendor_elems=");
5642                 if (os_snprintf_error(end - pos, res))
5643                         return pos - buf;
5644                 pos += res;
5645
5646                 pos += wpa_snprintf_hex(pos, end - pos,
5647                                         wpabuf_head(info->vendor_elems),
5648                                         wpabuf_len(info->vendor_elems));
5649
5650                 res = os_snprintf(pos, end - pos, "\n");
5651                 if (os_snprintf_error(end - pos, res))
5652                         return pos - buf;
5653                 pos += res;
5654         }
5655
5656         return pos - buf;
5657 }
5658
5659
5660 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
5661                                   const char *param)
5662 {
5663         unsigned int i;
5664
5665         if (wpa_s->global->p2p == NULL)
5666                 return -1;
5667
5668         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
5669                 return -1;
5670
5671         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
5672                 struct wpa_freq_range *freq;
5673                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
5674                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
5675                            freq->min, freq->max);
5676         }
5677
5678         wpas_p2p_update_channel_list(wpa_s);
5679         return 0;
5680 }
5681
5682
5683 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
5684 {
5685         char *param;
5686
5687         if (wpa_s->global->p2p == NULL)
5688                 return -1;
5689
5690         param = os_strchr(cmd, ' ');
5691         if (param == NULL)
5692                 return -1;
5693         *param++ = '\0';
5694
5695         if (os_strcmp(cmd, "discoverability") == 0) {
5696                 p2p_set_client_discoverability(wpa_s->global->p2p,
5697                                                atoi(param));
5698                 return 0;
5699         }
5700
5701         if (os_strcmp(cmd, "managed") == 0) {
5702                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5703                 return 0;
5704         }
5705
5706         if (os_strcmp(cmd, "listen_channel") == 0) {
5707                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
5708                                               atoi(param), 1);
5709         }
5710
5711         if (os_strcmp(cmd, "ssid_postfix") == 0) {
5712                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
5713                                             os_strlen(param));
5714         }
5715
5716         if (os_strcmp(cmd, "noa") == 0) {
5717                 char *pos;
5718                 int count, start, duration;
5719                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
5720                 count = atoi(param);
5721                 pos = os_strchr(param, ',');
5722                 if (pos == NULL)
5723                         return -1;
5724                 pos++;
5725                 start = atoi(pos);
5726                 pos = os_strchr(pos, ',');
5727                 if (pos == NULL)
5728                         return -1;
5729                 pos++;
5730                 duration = atoi(pos);
5731                 if (count < 0 || count > 255 || start < 0 || duration < 0)
5732                         return -1;
5733                 if (count == 0 && duration > 0)
5734                         return -1;
5735                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
5736                            "start=%d duration=%d", count, start, duration);
5737                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
5738         }
5739
5740         if (os_strcmp(cmd, "ps") == 0)
5741                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
5742
5743         if (os_strcmp(cmd, "oppps") == 0)
5744                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
5745
5746         if (os_strcmp(cmd, "ctwindow") == 0)
5747                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
5748
5749         if (os_strcmp(cmd, "disabled") == 0) {
5750                 wpa_s->global->p2p_disabled = atoi(param);
5751                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
5752                            wpa_s->global->p2p_disabled ?
5753                            "disabled" : "enabled");
5754                 if (wpa_s->global->p2p_disabled) {
5755                         wpas_p2p_stop_find(wpa_s);
5756                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5757                         p2p_flush(wpa_s->global->p2p);
5758                 }
5759                 return 0;
5760         }
5761
5762         if (os_strcmp(cmd, "conc_pref") == 0) {
5763                 if (os_strcmp(param, "sta") == 0)
5764                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
5765                 else if (os_strcmp(param, "p2p") == 0)
5766                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
5767                 else {
5768                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
5769                         return -1;
5770                 }
5771                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
5772                            "%s", param);
5773                 return 0;
5774         }
5775
5776         if (os_strcmp(cmd, "force_long_sd") == 0) {
5777                 wpa_s->force_long_sd = atoi(param);
5778                 return 0;
5779         }
5780
5781         if (os_strcmp(cmd, "peer_filter") == 0) {
5782                 u8 addr[ETH_ALEN];
5783                 if (hwaddr_aton(param, addr))
5784                         return -1;
5785                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
5786                 return 0;
5787         }
5788
5789         if (os_strcmp(cmd, "cross_connect") == 0)
5790                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
5791
5792         if (os_strcmp(cmd, "go_apsd") == 0) {
5793                 if (os_strcmp(param, "disable") == 0)
5794                         wpa_s->set_ap_uapsd = 0;
5795                 else {
5796                         wpa_s->set_ap_uapsd = 1;
5797                         wpa_s->ap_uapsd = atoi(param);
5798                 }
5799                 return 0;
5800         }
5801
5802         if (os_strcmp(cmd, "client_apsd") == 0) {
5803                 if (os_strcmp(param, "disable") == 0)
5804                         wpa_s->set_sta_uapsd = 0;
5805                 else {
5806                         int be, bk, vi, vo;
5807                         char *pos;
5808                         /* format: BE,BK,VI,VO;max SP Length */
5809                         be = atoi(param);
5810                         pos = os_strchr(param, ',');
5811                         if (pos == NULL)
5812                                 return -1;
5813                         pos++;
5814                         bk = atoi(pos);
5815                         pos = os_strchr(pos, ',');
5816                         if (pos == NULL)
5817                                 return -1;
5818                         pos++;
5819                         vi = atoi(pos);
5820                         pos = os_strchr(pos, ',');
5821                         if (pos == NULL)
5822                                 return -1;
5823                         pos++;
5824                         vo = atoi(pos);
5825                         /* ignore max SP Length for now */
5826
5827                         wpa_s->set_sta_uapsd = 1;
5828                         wpa_s->sta_uapsd = 0;
5829                         if (be)
5830                                 wpa_s->sta_uapsd |= BIT(0);
5831                         if (bk)
5832                                 wpa_s->sta_uapsd |= BIT(1);
5833                         if (vi)
5834                                 wpa_s->sta_uapsd |= BIT(2);
5835                         if (vo)
5836                                 wpa_s->sta_uapsd |= BIT(3);
5837                 }
5838                 return 0;
5839         }
5840
5841         if (os_strcmp(cmd, "disallow_freq") == 0)
5842                 return p2p_ctrl_disallow_freq(wpa_s, param);
5843
5844         if (os_strcmp(cmd, "disc_int") == 0) {
5845                 int min_disc_int, max_disc_int, max_disc_tu;
5846                 char *pos;
5847
5848                 pos = param;
5849
5850                 min_disc_int = atoi(pos);
5851                 pos = os_strchr(pos, ' ');
5852                 if (pos == NULL)
5853                         return -1;
5854                 *pos++ = '\0';
5855
5856                 max_disc_int = atoi(pos);
5857                 pos = os_strchr(pos, ' ');
5858                 if (pos == NULL)
5859                         return -1;
5860                 *pos++ = '\0';
5861
5862                 max_disc_tu = atoi(pos);
5863
5864                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
5865                                         max_disc_int, max_disc_tu);
5866         }
5867
5868         if (os_strcmp(cmd, "per_sta_psk") == 0) {
5869                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
5870                 return 0;
5871         }
5872
5873 #ifdef CONFIG_WPS_NFC
5874         if (os_strcmp(cmd, "nfc_tag") == 0)
5875                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
5876 #endif /* CONFIG_WPS_NFC */
5877
5878         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
5879                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
5880                 return 0;
5881         }
5882
5883         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
5884                    cmd);
5885
5886         return -1;
5887 }
5888
5889
5890 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
5891 {
5892         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5893         wpa_s->force_long_sd = 0;
5894         wpas_p2p_stop_find(wpa_s);
5895         if (wpa_s->global->p2p)
5896                 p2p_flush(wpa_s->global->p2p);
5897 }
5898
5899
5900 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
5901 {
5902         char *pos, *pos2;
5903         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
5904
5905         if (cmd[0]) {
5906                 pos = os_strchr(cmd, ' ');
5907                 if (pos == NULL)
5908                         return -1;
5909                 *pos++ = '\0';
5910                 dur1 = atoi(cmd);
5911
5912                 pos2 = os_strchr(pos, ' ');
5913                 if (pos2)
5914                         *pos2++ = '\0';
5915                 int1 = atoi(pos);
5916         } else
5917                 pos2 = NULL;
5918
5919         if (pos2) {
5920                 pos = os_strchr(pos2, ' ');
5921                 if (pos == NULL)
5922                         return -1;
5923                 *pos++ = '\0';
5924                 dur2 = atoi(pos2);
5925                 int2 = atoi(pos);
5926         }
5927
5928         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
5929 }
5930
5931
5932 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
5933 {
5934         char *pos;
5935         unsigned int period = 0, interval = 0;
5936
5937         if (cmd[0]) {
5938                 pos = os_strchr(cmd, ' ');
5939                 if (pos == NULL)
5940                         return -1;
5941                 *pos++ = '\0';
5942                 period = atoi(cmd);
5943                 interval = atoi(pos);
5944         }
5945
5946         return wpas_p2p_ext_listen(wpa_s, period, interval);
5947 }
5948
5949
5950 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
5951 {
5952         const char *pos;
5953         u8 peer[ETH_ALEN];
5954         int iface_addr = 0;
5955
5956         pos = cmd;
5957         if (os_strncmp(pos, "iface=", 6) == 0) {
5958                 iface_addr = 1;
5959                 pos += 6;
5960         }
5961         if (hwaddr_aton(pos, peer))
5962                 return -1;
5963
5964         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
5965         return 0;
5966 }
5967
5968 #endif /* CONFIG_P2P */
5969
5970
5971 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
5972 {
5973         struct wpa_freq_range_list ranges;
5974         int *freqs = NULL;
5975         struct hostapd_hw_modes *mode;
5976         u16 i;
5977
5978         if (wpa_s->hw.modes == NULL)
5979                 return NULL;
5980
5981         os_memset(&ranges, 0, sizeof(ranges));
5982         if (freq_range_list_parse(&ranges, val) < 0)
5983                 return NULL;
5984
5985         for (i = 0; i < wpa_s->hw.num_modes; i++) {
5986                 int j;
5987
5988                 mode = &wpa_s->hw.modes[i];
5989                 for (j = 0; j < mode->num_channels; j++) {
5990                         unsigned int freq;
5991
5992                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
5993                                 continue;
5994
5995                         freq = mode->channels[j].freq;
5996                         if (!freq_range_list_includes(&ranges, freq))
5997                                 continue;
5998
5999                         int_array_add_unique(&freqs, freq);
6000                 }
6001         }
6002
6003         os_free(ranges.range);
6004         return freqs;
6005 }
6006
6007
6008 #ifdef CONFIG_INTERWORKING
6009
6010 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
6011 {
6012         int auto_sel = 0;
6013         int *freqs = NULL;
6014
6015         if (param) {
6016                 char *pos;
6017
6018                 auto_sel = os_strstr(param, "auto") != NULL;
6019
6020                 pos = os_strstr(param, "freq=");
6021                 if (pos) {
6022                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
6023                         if (freqs == NULL)
6024                                 return -1;
6025                 }
6026
6027         }
6028
6029         return interworking_select(wpa_s, auto_sel, freqs);
6030 }
6031
6032
6033 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
6034                                      int only_add)
6035 {
6036         u8 bssid[ETH_ALEN];
6037         struct wpa_bss *bss;
6038
6039         if (hwaddr_aton(dst, bssid)) {
6040                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
6041                 return -1;
6042         }
6043
6044         bss = wpa_bss_get_bssid(wpa_s, bssid);
6045         if (bss == NULL) {
6046                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
6047                            MAC2STR(bssid));
6048                 return -1;
6049         }
6050
6051         if (bss->ssid_len == 0) {
6052                 int found = 0;
6053
6054                 wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
6055                            " does not have SSID information", MAC2STR(bssid));
6056
6057                 dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
6058                                          list) {
6059                         if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
6060                             bss->ssid_len > 0) {
6061                                 found = 1;
6062                                 break;
6063                         }
6064                 }
6065
6066                 if (!found)
6067                         return -1;
6068                 wpa_printf(MSG_DEBUG,
6069                            "Found another matching BSS entry with SSID");
6070         }
6071
6072         return interworking_connect(wpa_s, bss, only_add);
6073 }
6074
6075
6076 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
6077 {
6078         u8 dst_addr[ETH_ALEN];
6079         int used;
6080         char *pos;
6081 #define MAX_ANQP_INFO_ID 100
6082         u16 id[MAX_ANQP_INFO_ID];
6083         size_t num_id = 0;
6084         u32 subtypes = 0;
6085
6086         used = hwaddr_aton2(dst, dst_addr);
6087         if (used < 0)
6088                 return -1;
6089         pos = dst + used;
6090         if (*pos == ' ')
6091                 pos++;
6092         while (num_id < MAX_ANQP_INFO_ID) {
6093                 if (os_strncmp(pos, "hs20:", 5) == 0) {
6094 #ifdef CONFIG_HS20
6095                         int num = atoi(pos + 5);
6096                         if (num <= 0 || num > 31)
6097                                 return -1;
6098                         subtypes |= BIT(num);
6099 #else /* CONFIG_HS20 */
6100                         return -1;
6101 #endif /* CONFIG_HS20 */
6102                 } else {
6103                         id[num_id] = atoi(pos);
6104                         if (id[num_id])
6105                                 num_id++;
6106                 }
6107                 pos = os_strchr(pos + 1, ',');
6108                 if (pos == NULL)
6109                         break;
6110                 pos++;
6111         }
6112
6113         if (num_id == 0)
6114                 return -1;
6115
6116         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
6117 }
6118
6119
6120 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
6121 {
6122         u8 dst_addr[ETH_ALEN];
6123         struct wpabuf *advproto, *query = NULL;
6124         int used, ret = -1;
6125         char *pos, *end;
6126         size_t len;
6127
6128         used = hwaddr_aton2(cmd, dst_addr);
6129         if (used < 0)
6130                 return -1;
6131
6132         pos = cmd + used;
6133         while (*pos == ' ')
6134                 pos++;
6135
6136         /* Advertisement Protocol ID */
6137         end = os_strchr(pos, ' ');
6138         if (end)
6139                 len = end - pos;
6140         else
6141                 len = os_strlen(pos);
6142         if (len & 0x01)
6143                 return -1;
6144         len /= 2;
6145         if (len == 0)
6146                 return -1;
6147         advproto = wpabuf_alloc(len);
6148         if (advproto == NULL)
6149                 return -1;
6150         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
6151                 goto fail;
6152
6153         if (end) {
6154                 /* Optional Query Request */
6155                 pos = end + 1;
6156                 while (*pos == ' ')
6157                         pos++;
6158
6159                 len = os_strlen(pos);
6160                 if (len) {
6161                         if (len & 0x01)
6162                                 goto fail;
6163                         len /= 2;
6164                         if (len == 0)
6165                                 goto fail;
6166                         query = wpabuf_alloc(len);
6167                         if (query == NULL)
6168                                 goto fail;
6169                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
6170                                 goto fail;
6171                 }
6172         }
6173
6174         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
6175
6176 fail:
6177         wpabuf_free(advproto);
6178         wpabuf_free(query);
6179
6180         return ret;
6181 }
6182
6183
6184 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
6185                             size_t buflen)
6186 {
6187         u8 addr[ETH_ALEN];
6188         int dialog_token;
6189         int used;
6190         char *pos;
6191         size_t resp_len, start, requested_len;
6192         struct wpabuf *resp;
6193         int ret;
6194
6195         used = hwaddr_aton2(cmd, addr);
6196         if (used < 0)
6197                 return -1;
6198
6199         pos = cmd + used;
6200         while (*pos == ' ')
6201                 pos++;
6202         dialog_token = atoi(pos);
6203
6204         if (wpa_s->last_gas_resp &&
6205             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
6206             dialog_token == wpa_s->last_gas_dialog_token)
6207                 resp = wpa_s->last_gas_resp;
6208         else if (wpa_s->prev_gas_resp &&
6209                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
6210                  dialog_token == wpa_s->prev_gas_dialog_token)
6211                 resp = wpa_s->prev_gas_resp;
6212         else
6213                 return -1;
6214
6215         resp_len = wpabuf_len(resp);
6216         start = 0;
6217         requested_len = resp_len;
6218
6219         pos = os_strchr(pos, ' ');
6220         if (pos) {
6221                 start = atoi(pos);
6222                 if (start > resp_len)
6223                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6224                 pos = os_strchr(pos, ',');
6225                 if (pos == NULL)
6226                         return -1;
6227                 pos++;
6228                 requested_len = atoi(pos);
6229                 if (start + requested_len > resp_len)
6230                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6231         }
6232
6233         if (requested_len * 2 + 1 > buflen)
6234                 return os_snprintf(buf, buflen, "FAIL-Too long response");
6235
6236         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
6237                                requested_len);
6238
6239         if (start + requested_len == resp_len) {
6240                 /*
6241                  * Free memory by dropping the response after it has been
6242                  * fetched.
6243                  */
6244                 if (resp == wpa_s->prev_gas_resp) {
6245                         wpabuf_free(wpa_s->prev_gas_resp);
6246                         wpa_s->prev_gas_resp = NULL;
6247                 } else {
6248                         wpabuf_free(wpa_s->last_gas_resp);
6249                         wpa_s->last_gas_resp = NULL;
6250                 }
6251         }
6252
6253         return ret;
6254 }
6255 #endif /* CONFIG_INTERWORKING */
6256
6257
6258 #ifdef CONFIG_HS20
6259
6260 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
6261 {
6262         u8 dst_addr[ETH_ALEN];
6263         int used;
6264         char *pos;
6265         u32 subtypes = 0;
6266
6267         used = hwaddr_aton2(dst, dst_addr);
6268         if (used < 0)
6269                 return -1;
6270         pos = dst + used;
6271         if (*pos == ' ')
6272                 pos++;
6273         for (;;) {
6274                 int num = atoi(pos);
6275                 if (num <= 0 || num > 31)
6276                         return -1;
6277                 subtypes |= BIT(num);
6278                 pos = os_strchr(pos + 1, ',');
6279                 if (pos == NULL)
6280                         break;
6281                 pos++;
6282         }
6283
6284         if (subtypes == 0)
6285                 return -1;
6286
6287         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
6288 }
6289
6290
6291 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6292                                     const u8 *addr, const char *realm)
6293 {
6294         u8 *buf;
6295         size_t rlen, len;
6296         int ret;
6297
6298         rlen = os_strlen(realm);
6299         len = 3 + rlen;
6300         buf = os_malloc(len);
6301         if (buf == NULL)
6302                 return -1;
6303         buf[0] = 1; /* NAI Home Realm Count */
6304         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
6305         buf[2] = rlen;
6306         os_memcpy(buf + 3, realm, rlen);
6307
6308         ret = hs20_anqp_send_req(wpa_s, addr,
6309                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6310                                  buf, len);
6311
6312         os_free(buf);
6313
6314         return ret;
6315 }
6316
6317
6318 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6319                                         char *dst)
6320 {
6321         struct wpa_cred *cred = wpa_s->conf->cred;
6322         u8 dst_addr[ETH_ALEN];
6323         int used;
6324         u8 *buf;
6325         size_t len;
6326         int ret;
6327
6328         used = hwaddr_aton2(dst, dst_addr);
6329         if (used < 0)
6330                 return -1;
6331
6332         while (dst[used] == ' ')
6333                 used++;
6334         if (os_strncmp(dst + used, "realm=", 6) == 0)
6335                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
6336                                                 dst + used + 6);
6337
6338         len = os_strlen(dst + used);
6339
6340         if (len == 0 && cred && cred->realm)
6341                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
6342
6343         if (len & 1)
6344                 return -1;
6345         len /= 2;
6346         buf = os_malloc(len);
6347         if (buf == NULL)
6348                 return -1;
6349         if (hexstr2bin(dst + used, buf, len) < 0) {
6350                 os_free(buf);
6351                 return -1;
6352         }
6353
6354         ret = hs20_anqp_send_req(wpa_s, dst_addr,
6355                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6356                                  buf, len);
6357         os_free(buf);
6358
6359         return ret;
6360 }
6361
6362
6363 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
6364 {
6365         u8 dst_addr[ETH_ALEN];
6366         int used;
6367         char *icon;
6368
6369         used = hwaddr_aton2(cmd, dst_addr);
6370         if (used < 0)
6371                 return -1;
6372
6373         while (cmd[used] == ' ')
6374                 used++;
6375         icon = &cmd[used];
6376
6377         wpa_s->fetch_osu_icon_in_progress = 0;
6378         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
6379                                   (u8 *) icon, os_strlen(icon));
6380 }
6381
6382 #endif /* CONFIG_HS20 */
6383
6384
6385 #ifdef CONFIG_AUTOSCAN
6386
6387 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
6388                                               char *cmd)
6389 {
6390         enum wpa_states state = wpa_s->wpa_state;
6391         char *new_params = NULL;
6392
6393         if (os_strlen(cmd) > 0) {
6394                 new_params = os_strdup(cmd);
6395                 if (new_params == NULL)
6396                         return -1;
6397         }
6398
6399         os_free(wpa_s->conf->autoscan);
6400         wpa_s->conf->autoscan = new_params;
6401
6402         if (wpa_s->conf->autoscan == NULL)
6403                 autoscan_deinit(wpa_s);
6404         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
6405                 autoscan_init(wpa_s, 1);
6406         else if (state == WPA_SCANNING)
6407                 wpa_supplicant_reinit_autoscan(wpa_s);
6408
6409         return 0;
6410 }
6411
6412 #endif /* CONFIG_AUTOSCAN */
6413
6414
6415 #ifdef CONFIG_WNM
6416
6417 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
6418 {
6419         int enter;
6420         int intval = 0;
6421         char *pos;
6422         int ret;
6423         struct wpabuf *tfs_req = NULL;
6424
6425         if (os_strncmp(cmd, "enter", 5) == 0)
6426                 enter = 1;
6427         else if (os_strncmp(cmd, "exit", 4) == 0)
6428                 enter = 0;
6429         else
6430                 return -1;
6431
6432         pos = os_strstr(cmd, " interval=");
6433         if (pos)
6434                 intval = atoi(pos + 10);
6435
6436         pos = os_strstr(cmd, " tfs_req=");
6437         if (pos) {
6438                 char *end;
6439                 size_t len;
6440                 pos += 9;
6441                 end = os_strchr(pos, ' ');
6442                 if (end)
6443                         len = end - pos;
6444                 else
6445                         len = os_strlen(pos);
6446                 if (len & 1)
6447                         return -1;
6448                 len /= 2;
6449                 tfs_req = wpabuf_alloc(len);
6450                 if (tfs_req == NULL)
6451                         return -1;
6452                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
6453                         wpabuf_free(tfs_req);
6454                         return -1;
6455                 }
6456         }
6457
6458         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
6459                                            WNM_SLEEP_MODE_EXIT, intval,
6460                                            tfs_req);
6461         wpabuf_free(tfs_req);
6462
6463         return ret;
6464 }
6465
6466
6467 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
6468 {
6469         int query_reason;
6470
6471         query_reason = atoi(cmd);
6472
6473         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
6474                    query_reason);
6475
6476         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
6477 }
6478
6479 #endif /* CONFIG_WNM */
6480
6481
6482 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
6483                                       size_t buflen)
6484 {
6485         struct wpa_signal_info si;
6486         int ret;
6487         char *pos, *end;
6488
6489         ret = wpa_drv_signal_poll(wpa_s, &si);
6490         if (ret)
6491                 return -1;
6492
6493         pos = buf;
6494         end = buf + buflen;
6495
6496         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
6497                           "NOISE=%d\nFREQUENCY=%u\n",
6498                           si.current_signal, si.current_txrate / 1000,
6499                           si.current_noise, si.frequency);
6500         if (os_snprintf_error(end - pos, ret))
6501                 return -1;
6502         pos += ret;
6503
6504         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
6505                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
6506                                   channel_width_to_string(si.chanwidth));
6507                 if (os_snprintf_error(end - pos, ret))
6508                         return -1;
6509                 pos += ret;
6510         }
6511
6512         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
6513                 ret = os_snprintf(pos, end - pos,
6514                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
6515                                   si.center_frq1, si.center_frq2);
6516                 if (os_snprintf_error(end - pos, ret))
6517                         return -1;
6518                 pos += ret;
6519         }
6520
6521         if (si.avg_signal) {
6522                 ret = os_snprintf(pos, end - pos,
6523                                   "AVG_RSSI=%d\n", si.avg_signal);
6524                 if (os_snprintf_error(end - pos, ret))
6525                         return -1;
6526                 pos += ret;
6527         }
6528
6529         if (si.avg_beacon_signal) {
6530                 ret = os_snprintf(pos, end - pos,
6531                                   "AVG_BEACON_RSSI=%d\n", si.avg_beacon_signal);
6532                 if (os_snprintf_error(end - pos, ret))
6533                         return -1;
6534                 pos += ret;
6535         }
6536
6537         return pos - buf;
6538 }
6539
6540
6541 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
6542                                       size_t buflen)
6543 {
6544         struct hostap_sta_driver_data sta;
6545         int ret;
6546
6547         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
6548         if (ret)
6549                 return -1;
6550
6551         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
6552                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
6553         if (os_snprintf_error(buflen, ret))
6554                 return -1;
6555         return ret;
6556 }
6557
6558
6559 #ifdef ANDROID
6560 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6561                                      char *buf, size_t buflen)
6562 {
6563         int ret;
6564
6565         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
6566         if (ret == 0) {
6567                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
6568                         struct p2p_data *p2p = wpa_s->global->p2p;
6569                         if (p2p) {
6570                                 char country[3];
6571                                 country[0] = cmd[8];
6572                                 country[1] = cmd[9];
6573                                 country[2] = 0x04;
6574                                 p2p_set_country(p2p, country);
6575                         }
6576                 }
6577                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
6578                 if (os_snprintf_error(buflen, ret))
6579                         ret = -1;
6580         }
6581         return ret;
6582 }
6583 #endif /* ANDROID */
6584
6585
6586 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6587                                      char *buf, size_t buflen)
6588 {
6589         int ret;
6590         char *pos;
6591         u8 *data = NULL;
6592         unsigned int vendor_id, subcmd;
6593         struct wpabuf *reply;
6594         size_t data_len = 0;
6595
6596         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
6597         vendor_id = strtoul(cmd, &pos, 16);
6598         if (!isblank(*pos))
6599                 return -EINVAL;
6600
6601         subcmd = strtoul(pos, &pos, 10);
6602
6603         if (*pos != '\0') {
6604                 if (!isblank(*pos++))
6605                         return -EINVAL;
6606                 data_len = os_strlen(pos);
6607         }
6608
6609         if (data_len) {
6610                 data_len /= 2;
6611                 data = os_malloc(data_len);
6612                 if (!data)
6613                         return -1;
6614
6615                 if (hexstr2bin(pos, data, data_len)) {
6616                         wpa_printf(MSG_DEBUG,
6617                                    "Vendor command: wrong parameter format");
6618                         os_free(data);
6619                         return -EINVAL;
6620                 }
6621         }
6622
6623         reply = wpabuf_alloc((buflen - 1) / 2);
6624         if (!reply) {
6625                 os_free(data);
6626                 return -1;
6627         }
6628
6629         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
6630                                  reply);
6631
6632         if (ret == 0)
6633                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
6634                                        wpabuf_len(reply));
6635
6636         wpabuf_free(reply);
6637         os_free(data);
6638
6639         return ret;
6640 }
6641
6642
6643 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
6644 {
6645 #ifdef CONFIG_P2P
6646         struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
6647                 wpa_s->global->p2p_init_wpa_s : wpa_s;
6648 #endif /* CONFIG_P2P */
6649
6650         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
6651
6652 #ifdef CONFIG_P2P
6653         wpas_p2p_cancel(p2p_wpa_s);
6654         p2p_ctrl_flush(p2p_wpa_s);
6655         wpas_p2p_group_remove(p2p_wpa_s, "*");
6656         wpas_p2p_service_flush(p2p_wpa_s);
6657         p2p_wpa_s->global->p2p_disabled = 0;
6658         p2p_wpa_s->global->p2p_per_sta_psk = 0;
6659         p2p_wpa_s->conf->num_sec_device_types = 0;
6660         p2p_wpa_s->p2p_disable_ip_addr_req = 0;
6661         os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
6662         p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
6663         p2p_wpa_s->global->pending_p2ps_group = 0;
6664 #endif /* CONFIG_P2P */
6665
6666 #ifdef CONFIG_WPS_TESTING
6667         wps_version_number = 0x20;
6668         wps_testing_dummy_cred = 0;
6669         wps_corrupt_pkhash = 0;
6670 #endif /* CONFIG_WPS_TESTING */
6671 #ifdef CONFIG_WPS
6672         wpa_s->wps_fragment_size = 0;
6673         wpas_wps_cancel(wpa_s);
6674         wps_registrar_flush(wpa_s->wps->registrar);
6675 #endif /* CONFIG_WPS */
6676         wpa_s->after_wps = 0;
6677         wpa_s->known_wps_freq = 0;
6678
6679 #ifdef CONFIG_TDLS
6680 #ifdef CONFIG_TDLS_TESTING
6681         extern unsigned int tdls_testing;
6682         tdls_testing = 0;
6683 #endif /* CONFIG_TDLS_TESTING */
6684         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
6685         wpa_tdls_enable(wpa_s->wpa, 1);
6686 #endif /* CONFIG_TDLS */
6687
6688         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
6689         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
6690
6691         wpa_s->no_keep_alive = 0;
6692         wpa_s->own_disconnect_req = 0;
6693
6694         os_free(wpa_s->disallow_aps_bssid);
6695         wpa_s->disallow_aps_bssid = NULL;
6696         wpa_s->disallow_aps_bssid_count = 0;
6697         os_free(wpa_s->disallow_aps_ssid);
6698         wpa_s->disallow_aps_ssid = NULL;
6699         wpa_s->disallow_aps_ssid_count = 0;
6700
6701         wpa_s->set_sta_uapsd = 0;
6702         wpa_s->sta_uapsd = 0;
6703
6704         wpa_drv_radio_disable(wpa_s, 0);
6705         wpa_blacklist_clear(wpa_s);
6706         wpa_s->extra_blacklist_count = 0;
6707         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
6708         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
6709         wpa_config_flush_blobs(wpa_s->conf);
6710         wpa_s->conf->auto_interworking = 0;
6711         wpa_s->conf->okc = 0;
6712
6713         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
6714         rsn_preauth_deinit(wpa_s->wpa);
6715
6716         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
6717         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
6718         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
6719         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
6720
6721         radio_remove_works(wpa_s, NULL, 1);
6722         wpa_s->ext_work_in_progress = 0;
6723
6724         wpa_s->next_ssid = NULL;
6725
6726 #ifdef CONFIG_INTERWORKING
6727         hs20_cancel_fetch_osu(wpa_s);
6728 #endif /* CONFIG_INTERWORKING */
6729
6730         wpa_s->ext_mgmt_frame_handling = 0;
6731         wpa_s->ext_eapol_frame_io = 0;
6732 #ifdef CONFIG_TESTING_OPTIONS
6733         wpa_s->extra_roc_dur = 0;
6734         wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
6735 #endif /* CONFIG_TESTING_OPTIONS */
6736
6737         wpa_s->disconnected = 0;
6738         os_free(wpa_s->next_scan_freqs);
6739         wpa_s->next_scan_freqs = NULL;
6740
6741         wpa_bss_flush(wpa_s);
6742         if (!dl_list_empty(&wpa_s->bss)) {
6743                 wpa_printf(MSG_DEBUG,
6744                            "BSS table not empty after flush: %u entries, current_bss=%p bssid="
6745                            MACSTR " pending_bssid=" MACSTR,
6746                            dl_list_len(&wpa_s->bss), wpa_s->current_bss,
6747                            MAC2STR(wpa_s->bssid),
6748                            MAC2STR(wpa_s->pending_bssid));
6749         }
6750
6751         eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
6752 }
6753
6754
6755 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
6756                                      char *buf, size_t buflen)
6757 {
6758         struct wpa_radio_work *work;
6759         char *pos, *end;
6760         struct os_reltime now, diff;
6761
6762         pos = buf;
6763         end = buf + buflen;
6764
6765         os_get_reltime(&now);
6766
6767         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6768         {
6769                 int ret;
6770
6771                 os_reltime_sub(&now, &work->time, &diff);
6772                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
6773                                   work->type, work->wpa_s->ifname, work->freq,
6774                                   work->started, diff.sec, diff.usec);
6775                 if (os_snprintf_error(end - pos, ret))
6776                         break;
6777                 pos += ret;
6778         }
6779
6780         return pos - buf;
6781 }
6782
6783
6784 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
6785 {
6786         struct wpa_radio_work *work = eloop_ctx;
6787         struct wpa_external_work *ework = work->ctx;
6788
6789         wpa_dbg(work->wpa_s, MSG_DEBUG,
6790                 "Timing out external radio work %u (%s)",
6791                 ework->id, work->type);
6792         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
6793         work->wpa_s->ext_work_in_progress = 0;
6794         radio_work_done(work);
6795         os_free(ework);
6796 }
6797
6798
6799 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
6800 {
6801         struct wpa_external_work *ework = work->ctx;
6802
6803         if (deinit) {
6804                 if (work->started)
6805                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6806                                              work, NULL);
6807
6808                 os_free(ework);
6809                 return;
6810         }
6811
6812         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
6813                 ework->id, ework->type);
6814         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
6815         work->wpa_s->ext_work_in_progress = 1;
6816         if (!ework->timeout)
6817                 ework->timeout = 10;
6818         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
6819                                work, NULL);
6820 }
6821
6822
6823 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
6824                                     char *buf, size_t buflen)
6825 {
6826         struct wpa_external_work *ework;
6827         char *pos, *pos2;
6828         size_t type_len;
6829         int ret;
6830         unsigned int freq = 0;
6831
6832         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
6833
6834         ework = os_zalloc(sizeof(*ework));
6835         if (ework == NULL)
6836                 return -1;
6837
6838         pos = os_strchr(cmd, ' ');
6839         if (pos) {
6840                 type_len = pos - cmd;
6841                 pos++;
6842
6843                 pos2 = os_strstr(pos, "freq=");
6844                 if (pos2)
6845                         freq = atoi(pos2 + 5);
6846
6847                 pos2 = os_strstr(pos, "timeout=");
6848                 if (pos2)
6849                         ework->timeout = atoi(pos2 + 8);
6850         } else {
6851                 type_len = os_strlen(cmd);
6852         }
6853         if (4 + type_len >= sizeof(ework->type))
6854                 type_len = sizeof(ework->type) - 4 - 1;
6855         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
6856         os_memcpy(ework->type + 4, cmd, type_len);
6857         ework->type[4 + type_len] = '\0';
6858
6859         wpa_s->ext_work_id++;
6860         if (wpa_s->ext_work_id == 0)
6861                 wpa_s->ext_work_id++;
6862         ework->id = wpa_s->ext_work_id;
6863
6864         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
6865                            ework) < 0) {
6866                 os_free(ework);
6867                 return -1;
6868         }
6869
6870         ret = os_snprintf(buf, buflen, "%u", ework->id);
6871         if (os_snprintf_error(buflen, ret))
6872                 return -1;
6873         return ret;
6874 }
6875
6876
6877 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
6878 {
6879         struct wpa_radio_work *work;
6880         unsigned int id = atoi(cmd);
6881
6882         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6883         {
6884                 struct wpa_external_work *ework;
6885
6886                 if (os_strncmp(work->type, "ext:", 4) != 0)
6887                         continue;
6888                 ework = work->ctx;
6889                 if (id && ework->id != id)
6890                         continue;
6891                 wpa_dbg(wpa_s, MSG_DEBUG,
6892                         "Completed external radio work %u (%s)",
6893                         ework->id, ework->type);
6894                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
6895                 wpa_s->ext_work_in_progress = 0;
6896                 radio_work_done(work);
6897                 os_free(ework);
6898                 return 3; /* "OK\n" */
6899         }
6900
6901         return -1;
6902 }
6903
6904
6905 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
6906                                 char *buf, size_t buflen)
6907 {
6908         if (os_strcmp(cmd, "show") == 0)
6909                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
6910         if (os_strncmp(cmd, "add ", 4) == 0)
6911                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
6912         if (os_strncmp(cmd, "done ", 5) == 0)
6913                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
6914         return -1;
6915 }
6916
6917
6918 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
6919 {
6920         struct wpa_radio_work *work, *tmp;
6921
6922         if (!wpa_s || !wpa_s->radio)
6923                 return;
6924
6925         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
6926                               struct wpa_radio_work, list) {
6927                 struct wpa_external_work *ework;
6928
6929                 if (os_strncmp(work->type, "ext:", 4) != 0)
6930                         continue;
6931                 ework = work->ctx;
6932                 wpa_dbg(wpa_s, MSG_DEBUG,
6933                         "Flushing%s external radio work %u (%s)",
6934                         work->started ? " started" : "", ework->id,
6935                         ework->type);
6936                 if (work->started)
6937                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6938                                              work, NULL);
6939                 radio_work_done(work);
6940                 os_free(ework);
6941         }
6942 }
6943
6944
6945 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
6946 {
6947         struct wpa_supplicant *wpa_s = eloop_ctx;
6948         eapol_sm_notify_ctrl_response(wpa_s->eapol);
6949 }
6950
6951
6952 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
6953                               unsigned int *scan_id_count, int scan_id[])
6954 {
6955         const char *pos = value;
6956
6957         while (pos) {
6958                 if (*pos == ' ' || *pos == '\0')
6959                         break;
6960                 if (*scan_id_count == MAX_SCAN_ID)
6961                         return -1;
6962                 scan_id[(*scan_id_count)++] = atoi(pos);
6963                 pos = os_strchr(pos, ',');
6964                 if (pos)
6965                         pos++;
6966         }
6967
6968         return 0;
6969 }
6970
6971
6972 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
6973                            char *reply, int reply_size, int *reply_len)
6974 {
6975         char *pos;
6976         unsigned int manual_scan_passive = 0;
6977         unsigned int manual_scan_use_id = 0;
6978         unsigned int manual_scan_only_new = 0;
6979         unsigned int scan_only = 0;
6980         unsigned int scan_id_count = 0;
6981         int scan_id[MAX_SCAN_ID];
6982         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
6983                                  struct wpa_scan_results *scan_res);
6984         int *manual_scan_freqs = NULL;
6985
6986         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
6987                 *reply_len = -1;
6988                 return;
6989         }
6990
6991         if (radio_work_pending(wpa_s, "scan")) {
6992                 wpa_printf(MSG_DEBUG,
6993                            "Pending scan scheduled - reject new request");
6994                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
6995                 return;
6996         }
6997
6998 #ifdef CONFIG_INTERWORKING
6999         if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) {
7000                 wpa_printf(MSG_DEBUG,
7001                            "Interworking select in progress - reject new scan");
7002                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7003                 return;
7004         }
7005 #endif /* CONFIG_INTERWORKING */
7006
7007         if (params) {
7008                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
7009                         scan_only = 1;
7010
7011                 pos = os_strstr(params, "freq=");
7012                 if (pos) {
7013                         manual_scan_freqs = freq_range_to_channel_list(wpa_s,
7014                                                                        pos + 5);
7015                         if (manual_scan_freqs == NULL) {
7016                                 *reply_len = -1;
7017                                 goto done;
7018                         }
7019                 }
7020
7021                 pos = os_strstr(params, "passive=");
7022                 if (pos)
7023                         manual_scan_passive = !!atoi(pos + 8);
7024
7025                 pos = os_strstr(params, "use_id=");
7026                 if (pos)
7027                         manual_scan_use_id = atoi(pos + 7);
7028
7029                 pos = os_strstr(params, "only_new=1");
7030                 if (pos)
7031                         manual_scan_only_new = 1;
7032
7033                 pos = os_strstr(params, "scan_id=");
7034                 if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
7035                                               scan_id) < 0) {
7036                         *reply_len = -1;
7037                         goto done;
7038                 }
7039         }
7040
7041         if (scan_only)
7042                 scan_res_handler = scan_only_handler;
7043         else if (wpa_s->scan_res_handler == scan_only_handler)
7044                 scan_res_handler = NULL;
7045         else
7046                 scan_res_handler = wpa_s->scan_res_handler;
7047
7048         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
7049             ((wpa_s->wpa_state <= WPA_SCANNING) ||
7050              (wpa_s->wpa_state == WPA_COMPLETED))) {
7051                 wpa_s->manual_scan_passive = manual_scan_passive;
7052                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7053                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7054                 wpa_s->scan_id_count = scan_id_count;
7055                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7056                 wpa_s->scan_res_handler = scan_res_handler;
7057                 os_free(wpa_s->manual_scan_freqs);
7058                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7059                 manual_scan_freqs = NULL;
7060
7061                 wpa_s->normal_scans = 0;
7062                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7063                 wpa_s->after_wps = 0;
7064                 wpa_s->known_wps_freq = 0;
7065                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7066                 if (wpa_s->manual_scan_use_id) {
7067                         wpa_s->manual_scan_id++;
7068                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7069                                 wpa_s->manual_scan_id);
7070                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7071                                                  wpa_s->manual_scan_id);
7072                 }
7073         } else if (wpa_s->sched_scanning) {
7074                 wpa_s->manual_scan_passive = manual_scan_passive;
7075                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7076                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7077                 wpa_s->scan_id_count = scan_id_count;
7078                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7079                 wpa_s->scan_res_handler = scan_res_handler;
7080                 os_free(wpa_s->manual_scan_freqs);
7081                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7082                 manual_scan_freqs = NULL;
7083
7084                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
7085                 wpa_supplicant_cancel_sched_scan(wpa_s);
7086                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7087                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7088                 if (wpa_s->manual_scan_use_id) {
7089                         wpa_s->manual_scan_id++;
7090                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7091                                                  wpa_s->manual_scan_id);
7092                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7093                                 wpa_s->manual_scan_id);
7094                 }
7095         } else {
7096                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
7097                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7098         }
7099
7100 done:
7101         os_free(manual_scan_freqs);
7102 }
7103
7104
7105 #ifdef CONFIG_TESTING_OPTIONS
7106
7107 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
7108                                        unsigned int freq, const u8 *dst,
7109                                        const u8 *src, const u8 *bssid,
7110                                        const u8 *data, size_t data_len,
7111                                        enum offchannel_send_action_result
7112                                        result)
7113 {
7114         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
7115                 " src=" MACSTR " bssid=" MACSTR " result=%s",
7116                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
7117                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
7118                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
7119                              "NO_ACK" : "FAILED"));
7120 }
7121
7122
7123 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
7124 {
7125         char *pos, *param;
7126         size_t len;
7127         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
7128         int res, used;
7129         int freq = 0, no_cck = 0, wait_time = 0;
7130
7131         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
7132          *    <action=Action frame payload> */
7133
7134         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
7135
7136         pos = cmd;
7137         used = hwaddr_aton2(pos, da);
7138         if (used < 0)
7139                 return -1;
7140         pos += used;
7141         while (*pos == ' ')
7142                 pos++;
7143         used = hwaddr_aton2(pos, bssid);
7144         if (used < 0)
7145                 return -1;
7146         pos += used;
7147
7148         param = os_strstr(pos, " freq=");
7149         if (param) {
7150                 param += 6;
7151                 freq = atoi(param);
7152         }
7153
7154         param = os_strstr(pos, " no_cck=");
7155         if (param) {
7156                 param += 8;
7157                 no_cck = atoi(param);
7158         }
7159
7160         param = os_strstr(pos, " wait_time=");
7161         if (param) {
7162                 param += 11;
7163                 wait_time = atoi(param);
7164         }
7165
7166         param = os_strstr(pos, " action=");
7167         if (param == NULL)
7168                 return -1;
7169         param += 8;
7170
7171         len = os_strlen(param);
7172         if (len & 1)
7173                 return -1;
7174         len /= 2;
7175
7176         buf = os_malloc(len);
7177         if (buf == NULL)
7178                 return -1;
7179
7180         if (hexstr2bin(param, buf, len) < 0) {
7181                 os_free(buf);
7182                 return -1;
7183         }
7184
7185         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
7186                                      buf, len, wait_time,
7187                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
7188         os_free(buf);
7189         return res;
7190 }
7191
7192
7193 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
7194 {
7195         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
7196         offchannel_send_action_done(wpa_s);
7197 }
7198
7199
7200 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
7201 {
7202         char *pos, *param;
7203         union wpa_event_data event;
7204         enum wpa_event_type ev;
7205
7206         /* <event name> [parameters..] */
7207
7208         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
7209
7210         pos = cmd;
7211         param = os_strchr(pos, ' ');
7212         if (param)
7213                 *param++ = '\0';
7214
7215         os_memset(&event, 0, sizeof(event));
7216
7217         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
7218                 ev = EVENT_INTERFACE_ENABLED;
7219         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
7220                 ev = EVENT_INTERFACE_DISABLED;
7221         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
7222                 ev = EVENT_AVOID_FREQUENCIES;
7223                 if (param == NULL)
7224                         param = "";
7225                 if (freq_range_list_parse(&event.freq_range, param) < 0)
7226                         return -1;
7227                 wpa_supplicant_event(wpa_s, ev, &event);
7228                 os_free(event.freq_range.range);
7229                 return 0;
7230         } else {
7231                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
7232                         cmd);
7233                 return -1;
7234         }
7235
7236         wpa_supplicant_event(wpa_s, ev, &event);
7237
7238         return 0;
7239 }
7240
7241
7242 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
7243 {
7244         char *pos;
7245         u8 src[ETH_ALEN], *buf;
7246         int used;
7247         size_t len;
7248
7249         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
7250
7251         pos = cmd;
7252         used = hwaddr_aton2(pos, src);
7253         if (used < 0)
7254                 return -1;
7255         pos += used;
7256         while (*pos == ' ')
7257                 pos++;
7258
7259         len = os_strlen(pos);
7260         if (len & 1)
7261                 return -1;
7262         len /= 2;
7263
7264         buf = os_malloc(len);
7265         if (buf == NULL)
7266                 return -1;
7267
7268         if (hexstr2bin(pos, buf, len) < 0) {
7269                 os_free(buf);
7270                 return -1;
7271         }
7272
7273         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
7274         os_free(buf);
7275
7276         return 0;
7277 }
7278
7279
7280 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
7281 {
7282         size_t i;
7283         u32 sum = 0;
7284         const u16 *pos = buf;
7285
7286         for (i = 0; i < len / 2; i++)
7287                 sum += *pos++;
7288
7289         while (sum >> 16)
7290                 sum = (sum & 0xffff) + (sum >> 16);
7291
7292         return sum ^ 0xffff;
7293 }
7294
7295
7296 #define HWSIM_PACKETLEN 1500
7297 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
7298
7299 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
7300 {
7301         struct wpa_supplicant *wpa_s = ctx;
7302         const struct ether_header *eth;
7303         const struct iphdr *ip;
7304         const u8 *pos;
7305         unsigned int i;
7306
7307         if (len != HWSIM_PACKETLEN)
7308                 return;
7309
7310         eth = (const struct ether_header *) buf;
7311         ip = (const struct iphdr *) (eth + 1);
7312         pos = (const u8 *) (ip + 1);
7313
7314         if (ip->ihl != 5 || ip->version != 4 ||
7315             ntohs(ip->tot_len) != HWSIM_IP_LEN)
7316                 return;
7317
7318         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++) {
7319                 if (*pos != (u8) i)
7320                         return;
7321                 pos++;
7322         }
7323
7324         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
7325                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
7326 }
7327
7328
7329 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
7330                                             char *cmd)
7331 {
7332         int enabled = atoi(cmd);
7333
7334         if (!enabled) {
7335                 if (wpa_s->l2_test) {
7336                         l2_packet_deinit(wpa_s->l2_test);
7337                         wpa_s->l2_test = NULL;
7338                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
7339                 }
7340                 return 0;
7341         }
7342
7343         if (wpa_s->l2_test)
7344                 return 0;
7345
7346         wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
7347                                         ETHERTYPE_IP, wpas_data_test_rx,
7348                                         wpa_s, 1);
7349         if (wpa_s->l2_test == NULL)
7350                 return -1;
7351
7352         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
7353
7354         return 0;
7355 }
7356
7357
7358 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
7359 {
7360         u8 dst[ETH_ALEN], src[ETH_ALEN];
7361         char *pos;
7362         int used;
7363         long int val;
7364         u8 tos;
7365         u8 buf[HWSIM_PACKETLEN];
7366         struct ether_header *eth;
7367         struct iphdr *ip;
7368         u8 *dpos;
7369         unsigned int i;
7370
7371         if (wpa_s->l2_test == NULL)
7372                 return -1;
7373
7374         /* format: <dst> <src> <tos> */
7375
7376         pos = cmd;
7377         used = hwaddr_aton2(pos, dst);
7378         if (used < 0)
7379                 return -1;
7380         pos += used;
7381         while (*pos == ' ')
7382                 pos++;
7383         used = hwaddr_aton2(pos, src);
7384         if (used < 0)
7385                 return -1;
7386         pos += used;
7387
7388         val = strtol(pos, NULL, 0);
7389         if (val < 0 || val > 0xff)
7390                 return -1;
7391         tos = val;
7392
7393         eth = (struct ether_header *) buf;
7394         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
7395         os_memcpy(eth->ether_shost, src, ETH_ALEN);
7396         eth->ether_type = htons(ETHERTYPE_IP);
7397         ip = (struct iphdr *) (eth + 1);
7398         os_memset(ip, 0, sizeof(*ip));
7399         ip->ihl = 5;
7400         ip->version = 4;
7401         ip->ttl = 64;
7402         ip->tos = tos;
7403         ip->tot_len = htons(HWSIM_IP_LEN);
7404         ip->protocol = 1;
7405         ip->saddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 1);
7406         ip->daddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 2);
7407         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
7408         dpos = (u8 *) (ip + 1);
7409         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
7410                 *dpos++ = i;
7411
7412         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, buf,
7413                            HWSIM_PACKETLEN) < 0)
7414                 return -1;
7415
7416         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
7417                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
7418
7419         return 0;
7420 }
7421
7422
7423 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
7424                                            char *cmd)
7425 {
7426         u8 *buf;
7427         struct ether_header *eth;
7428         struct l2_packet_data *l2 = NULL;
7429         size_t len;
7430         u16 ethertype;
7431         int res = -1;
7432
7433         len = os_strlen(cmd);
7434         if (len & 1 || len < ETH_HLEN * 2)
7435                 return -1;
7436         len /= 2;
7437
7438         buf = os_malloc(len);
7439         if (buf == NULL)
7440                 return -1;
7441
7442         if (hexstr2bin(cmd, buf, len) < 0)
7443                 goto done;
7444
7445         eth = (struct ether_header *) buf;
7446         ethertype = ntohs(eth->ether_type);
7447
7448         l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
7449                             wpas_data_test_rx, wpa_s, 1);
7450         if (l2 == NULL)
7451                 goto done;
7452
7453         res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
7454         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
7455 done:
7456         if (l2)
7457                 l2_packet_deinit(l2);
7458         os_free(buf);
7459
7460         return res < 0 ? -1 : 0;
7461 }
7462
7463
7464 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
7465 {
7466 #ifdef WPA_TRACE_BFD
7467         extern char wpa_trace_fail_func[256];
7468         extern unsigned int wpa_trace_fail_after;
7469         char *pos;
7470
7471         wpa_trace_fail_after = atoi(cmd);
7472         pos = os_strchr(cmd, ':');
7473         if (pos) {
7474                 pos++;
7475                 os_strlcpy(wpa_trace_fail_func, pos,
7476                            sizeof(wpa_trace_fail_func));
7477         } else {
7478                 wpa_trace_fail_after = 0;
7479         }
7480         return 0;
7481 #else /* WPA_TRACE_BFD */
7482         return -1;
7483 #endif /* WPA_TRACE_BFD */
7484 }
7485
7486
7487 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
7488                                     char *buf, size_t buflen)
7489 {
7490 #ifdef WPA_TRACE_BFD
7491         extern char wpa_trace_fail_func[256];
7492         extern unsigned int wpa_trace_fail_after;
7493
7494         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
7495                            wpa_trace_fail_func);
7496 #else /* WPA_TRACE_BFD */
7497         return -1;
7498 #endif /* WPA_TRACE_BFD */
7499 }
7500
7501 #endif /* CONFIG_TESTING_OPTIONS */
7502
7503
7504 static void wpas_ctrl_vendor_elem_update(struct wpa_supplicant *wpa_s)
7505 {
7506         unsigned int i;
7507         char buf[30];
7508
7509         wpa_printf(MSG_DEBUG, "Update vendor elements");
7510
7511         for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
7512                 if (wpa_s->vendor_elem[i]) {
7513                         int res;
7514
7515                         res = os_snprintf(buf, sizeof(buf), "frame[%u]", i);
7516                         if (!os_snprintf_error(sizeof(buf), res)) {
7517                                 wpa_hexdump_buf(MSG_DEBUG, buf,
7518                                                 wpa_s->vendor_elem[i]);
7519                         }
7520                 }
7521         }
7522
7523 #ifdef CONFIG_P2P
7524         if (wpa_s->parent == wpa_s &&
7525             wpa_s->global->p2p &&
7526             !wpa_s->global->p2p_disabled)
7527                 p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem);
7528 #endif /* CONFIG_P2P */
7529 }
7530
7531
7532 static struct wpa_supplicant *
7533 wpas_ctrl_vendor_elem_iface(struct wpa_supplicant *wpa_s,
7534                             enum wpa_vendor_elem_frame frame)
7535 {
7536         switch (frame) {
7537 #ifdef CONFIG_P2P
7538         case VENDOR_ELEM_PROBE_REQ_P2P:
7539         case VENDOR_ELEM_PROBE_RESP_P2P:
7540         case VENDOR_ELEM_PROBE_RESP_P2P_GO:
7541         case VENDOR_ELEM_BEACON_P2P_GO:
7542         case VENDOR_ELEM_P2P_PD_REQ:
7543         case VENDOR_ELEM_P2P_PD_RESP:
7544         case VENDOR_ELEM_P2P_GO_NEG_REQ:
7545         case VENDOR_ELEM_P2P_GO_NEG_RESP:
7546         case VENDOR_ELEM_P2P_GO_NEG_CONF:
7547         case VENDOR_ELEM_P2P_INV_REQ:
7548         case VENDOR_ELEM_P2P_INV_RESP:
7549         case VENDOR_ELEM_P2P_ASSOC_REQ:
7550                 return wpa_s->parent;
7551 #endif /* CONFIG_P2P */
7552         default:
7553                 return wpa_s;
7554         }
7555 }
7556
7557
7558 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
7559 {
7560         char *pos = cmd;
7561         int frame;
7562         size_t len;
7563         struct wpabuf *buf;
7564         struct ieee802_11_elems elems;
7565
7566         frame = atoi(pos);
7567         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7568                 return -1;
7569         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7570
7571         pos = os_strchr(pos, ' ');
7572         if (pos == NULL)
7573                 return -1;
7574         pos++;
7575
7576         len = os_strlen(pos);
7577         if (len == 0)
7578                 return 0;
7579         if (len & 1)
7580                 return -1;
7581         len /= 2;
7582
7583         buf = wpabuf_alloc(len);
7584         if (buf == NULL)
7585                 return -1;
7586
7587         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
7588                 wpabuf_free(buf);
7589                 return -1;
7590         }
7591
7592         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
7593             ParseFailed) {
7594                 wpabuf_free(buf);
7595                 return -1;
7596         }
7597
7598         if (wpa_s->vendor_elem[frame] == NULL) {
7599                 wpa_s->vendor_elem[frame] = buf;
7600                 wpas_ctrl_vendor_elem_update(wpa_s);
7601                 return 0;
7602         }
7603
7604         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
7605                 wpabuf_free(buf);
7606                 return -1;
7607         }
7608
7609         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
7610         wpabuf_free(buf);
7611         wpas_ctrl_vendor_elem_update(wpa_s);
7612
7613         return 0;
7614 }
7615
7616
7617 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
7618                                      char *buf, size_t buflen)
7619 {
7620         int frame = atoi(cmd);
7621
7622         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7623                 return -1;
7624         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7625
7626         if (wpa_s->vendor_elem[frame] == NULL)
7627                 return 0;
7628
7629         return wpa_snprintf_hex(buf, buflen,
7630                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
7631                                 wpabuf_len(wpa_s->vendor_elem[frame]));
7632 }
7633
7634
7635 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
7636 {
7637         char *pos = cmd;
7638         int frame;
7639         size_t len;
7640         u8 *buf;
7641         struct ieee802_11_elems elems;
7642         u8 *ie, *end;
7643
7644         frame = atoi(pos);
7645         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7646                 return -1;
7647         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7648
7649         pos = os_strchr(pos, ' ');
7650         if (pos == NULL)
7651                 return -1;
7652         pos++;
7653
7654         if (*pos == '*') {
7655                 wpabuf_free(wpa_s->vendor_elem[frame]);
7656                 wpa_s->vendor_elem[frame] = NULL;
7657                 wpas_ctrl_vendor_elem_update(wpa_s);
7658                 return 0;
7659         }
7660
7661         if (wpa_s->vendor_elem[frame] == NULL)
7662                 return -1;
7663
7664         len = os_strlen(pos);
7665         if (len == 0)
7666                 return 0;
7667         if (len & 1)
7668                 return -1;
7669         len /= 2;
7670
7671         buf = os_malloc(len);
7672         if (buf == NULL)
7673                 return -1;
7674
7675         if (hexstr2bin(pos, buf, len) < 0) {
7676                 os_free(buf);
7677                 return -1;
7678         }
7679
7680         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
7681                 os_free(buf);
7682                 return -1;
7683         }
7684
7685         ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]);
7686         end = ie + wpabuf_len(wpa_s->vendor_elem[frame]);
7687
7688         for (; ie + 1 < end; ie += 2 + ie[1]) {
7689                 if (ie + len > end)
7690                         break;
7691                 if (os_memcmp(ie, buf, len) != 0)
7692                         continue;
7693
7694                 if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) {
7695                         wpabuf_free(wpa_s->vendor_elem[frame]);
7696                         wpa_s->vendor_elem[frame] = NULL;
7697                 } else {
7698                         os_memmove(ie, ie + len,
7699                                    end - (ie + len));
7700                         wpa_s->vendor_elem[frame]->used -= len;
7701                 }
7702                 os_free(buf);
7703                 wpas_ctrl_vendor_elem_update(wpa_s);
7704                 return 0;
7705         }
7706
7707         os_free(buf);
7708
7709         return -1;
7710 }
7711
7712
7713 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
7714 {
7715         struct wpa_supplicant *wpa_s = ctx;
7716
7717         if (neighbor_rep) {
7718                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
7719                              "length=%u",
7720                              (unsigned int) wpabuf_len(neighbor_rep));
7721                 wpabuf_free(neighbor_rep);
7722         } else {
7723                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
7724         }
7725 }
7726
7727
7728 static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s,
7729                                             char *cmd)
7730 {
7731         struct wpa_ssid ssid;
7732         struct wpa_ssid *ssid_p = NULL;
7733         int ret = 0;
7734
7735         if (os_strncmp(cmd, " ssid=", 6) == 0) {
7736                 ssid.ssid_len = os_strlen(cmd + 6);
7737                 if (ssid.ssid_len > SSID_MAX_LEN)
7738                         return -1;
7739                 ssid.ssid = (u8 *) (cmd + 6);
7740                 ssid_p = &ssid;
7741         }
7742
7743         ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p,
7744                                                  wpas_ctrl_neighbor_rep_cb,
7745                                                  wpa_s);
7746
7747         return ret;
7748 }
7749
7750
7751 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
7752 {
7753         eapol_sm_erp_flush(wpa_s->eapol);
7754         return 0;
7755 }
7756
7757
7758 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
7759                                          char *cmd)
7760 {
7761         char *token, *context = NULL;
7762         unsigned int enable = ~0, type = 0;
7763         u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
7764         u8 *addr = NULL, *mask = NULL;
7765
7766         while ((token = str_token(cmd, " ", &context))) {
7767                 if (os_strcasecmp(token, "scan") == 0) {
7768                         type |= MAC_ADDR_RAND_SCAN;
7769                 } else if (os_strcasecmp(token, "sched") == 0) {
7770                         type |= MAC_ADDR_RAND_SCHED_SCAN;
7771                 } else if (os_strcasecmp(token, "pno") == 0) {
7772                         type |= MAC_ADDR_RAND_PNO;
7773                 } else if (os_strcasecmp(token, "all") == 0) {
7774                         type = wpa_s->mac_addr_rand_supported;
7775                 } else if (os_strncasecmp(token, "enable=", 7) == 0) {
7776                         enable = atoi(token + 7);
7777                 } else if (os_strncasecmp(token, "addr=", 5) == 0) {
7778                         addr = _addr;
7779                         if (hwaddr_aton(token + 5, addr)) {
7780                                 wpa_printf(MSG_INFO,
7781                                            "CTRL: Invalid MAC address: %s",
7782                                            token);
7783                                 return -1;
7784                         }
7785                 } else if (os_strncasecmp(token, "mask=", 5) == 0) {
7786                         mask = _mask;
7787                         if (hwaddr_aton(token + 5, mask)) {
7788                                 wpa_printf(MSG_INFO,
7789                                            "CTRL: Invalid MAC address mask: %s",
7790                                            token);
7791                                 return -1;
7792                         }
7793                 } else {
7794                         wpa_printf(MSG_INFO,
7795                                    "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
7796                                    token);
7797                         return -1;
7798                 }
7799         }
7800
7801         if (!type) {
7802                 wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
7803                 return -1;
7804         }
7805
7806         if ((wpa_s->mac_addr_rand_supported & type) != type) {
7807                 wpa_printf(MSG_INFO,
7808                            "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
7809                            type, wpa_s->mac_addr_rand_supported);
7810                 return -1;
7811         }
7812
7813         if (enable > 1) {
7814                 wpa_printf(MSG_INFO,
7815                            "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
7816                 return -1;
7817         }
7818
7819         if (!enable) {
7820                 wpas_mac_addr_rand_scan_clear(wpa_s, type);
7821                 if (wpa_s->pno) {
7822                         if (type & MAC_ADDR_RAND_PNO) {
7823                                 wpas_stop_pno(wpa_s);
7824                                 wpas_start_pno(wpa_s);
7825                         }
7826                 } else if (wpa_s->sched_scanning &&
7827                            (type & MAC_ADDR_RAND_SCHED_SCAN)) {
7828                         /* simulate timeout to restart the sched scan */
7829                         wpa_s->sched_scan_timed_out = 1;
7830                         wpa_s->prev_sched_ssid = NULL;
7831                         wpa_supplicant_cancel_sched_scan(wpa_s);
7832                 }
7833                 return 0;
7834         }
7835
7836         if ((addr && !mask) || (!addr && mask)) {
7837                 wpa_printf(MSG_INFO,
7838                            "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
7839                 return -1;
7840         }
7841
7842         if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
7843                 wpa_printf(MSG_INFO,
7844                            "CTRL: MAC_RAND_SCAN cannot allow multicast address");
7845                 return -1;
7846         }
7847
7848         if (type & MAC_ADDR_RAND_SCAN) {
7849                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
7850                                             addr, mask);
7851         }
7852
7853         if (type & MAC_ADDR_RAND_SCHED_SCAN) {
7854                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
7855                                             addr, mask);
7856
7857                 if (wpa_s->sched_scanning && !wpa_s->pno) {
7858                         /* simulate timeout to restart the sched scan */
7859                         wpa_s->sched_scan_timed_out = 1;
7860                         wpa_s->prev_sched_ssid = NULL;
7861                         wpa_supplicant_cancel_sched_scan(wpa_s);
7862                 }
7863         }
7864
7865         if (type & MAC_ADDR_RAND_PNO) {
7866                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
7867                                             addr, mask);
7868                 if (wpa_s->pno) {
7869                         wpas_stop_pno(wpa_s);
7870                         wpas_start_pno(wpa_s);
7871                 }
7872         }
7873
7874         return 0;
7875 }
7876
7877
7878 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
7879                                          char *buf, size_t *resp_len)
7880 {
7881         char *reply;
7882         const int reply_size = 4096;
7883         int reply_len;
7884
7885         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
7886             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
7887                 if (wpa_debug_show_keys)
7888                         wpa_dbg(wpa_s, MSG_DEBUG,
7889                                 "Control interface command '%s'", buf);
7890                 else
7891                         wpa_dbg(wpa_s, MSG_DEBUG,
7892                                 "Control interface command '%s [REMOVED]'",
7893                                 os_strncmp(buf, WPA_CTRL_RSP,
7894                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
7895                                 WPA_CTRL_RSP : "SET_NETWORK");
7896         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
7897                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
7898                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
7899                                       (const u8 *) buf, os_strlen(buf));
7900         } else {
7901                 int level = MSG_DEBUG;
7902                 if (os_strcmp(buf, "PING") == 0)
7903                         level = MSG_EXCESSIVE;
7904                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
7905         }
7906
7907         reply = os_malloc(reply_size);
7908         if (reply == NULL) {
7909                 *resp_len = 1;
7910                 return NULL;
7911         }
7912
7913         os_memcpy(reply, "OK\n", 3);
7914         reply_len = 3;
7915
7916         if (os_strcmp(buf, "PING") == 0) {
7917                 os_memcpy(reply, "PONG\n", 5);
7918                 reply_len = 5;
7919         } else if (os_strcmp(buf, "IFNAME") == 0) {
7920                 reply_len = os_strlen(wpa_s->ifname);
7921                 os_memcpy(reply, wpa_s->ifname, reply_len);
7922         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
7923                 if (wpa_debug_reopen_file() < 0)
7924                         reply_len = -1;
7925         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
7926                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
7927         } else if (os_strcmp(buf, "MIB") == 0) {
7928                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
7929                 if (reply_len >= 0) {
7930                         reply_len += eapol_sm_get_mib(wpa_s->eapol,
7931                                                       reply + reply_len,
7932                                                       reply_size - reply_len);
7933                 }
7934         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
7935                 reply_len = wpa_supplicant_ctrl_iface_status(
7936                         wpa_s, buf + 6, reply, reply_size);
7937         } else if (os_strcmp(buf, "PMKSA") == 0) {
7938                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
7939                                                     reply_size);
7940         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
7941                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
7942         } else if (os_strncmp(buf, "SET ", 4) == 0) {
7943                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
7944                         reply_len = -1;
7945         } else if (os_strncmp(buf, "DUMP", 4) == 0) {
7946                 reply_len = wpa_config_dump_values(wpa_s->conf,
7947                                                    reply, reply_size);
7948         } else if (os_strncmp(buf, "GET ", 4) == 0) {
7949                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
7950                                                           reply, reply_size);
7951         } else if (os_strcmp(buf, "LOGON") == 0) {
7952                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
7953         } else if (os_strcmp(buf, "LOGOFF") == 0) {
7954                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
7955         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
7956                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
7957                         reply_len = -1;
7958                 else
7959                         wpas_request_connection(wpa_s);
7960         } else if (os_strcmp(buf, "REATTACH") == 0) {
7961                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
7962                     !wpa_s->current_ssid)
7963                         reply_len = -1;
7964                 else {
7965                         wpa_s->reattach = 1;
7966                         wpas_request_connection(wpa_s);
7967                 }
7968         } else if (os_strcmp(buf, "RECONNECT") == 0) {
7969                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
7970                         reply_len = -1;
7971                 else if (wpa_s->disconnected)
7972                         wpas_request_connection(wpa_s);
7973 #ifdef IEEE8021X_EAPOL
7974         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
7975                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
7976                         reply_len = -1;
7977 #endif /* IEEE8021X_EAPOL */
7978 #ifdef CONFIG_PEERKEY
7979         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
7980                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
7981                         reply_len = -1;
7982 #endif /* CONFIG_PEERKEY */
7983 #ifdef CONFIG_IEEE80211R
7984         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
7985                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
7986                         reply_len = -1;
7987 #endif /* CONFIG_IEEE80211R */
7988 #ifdef CONFIG_WPS
7989         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
7990                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
7991                 if (res == -2) {
7992                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
7993                         reply_len = 17;
7994                 } else if (res)
7995                         reply_len = -1;
7996         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
7997                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
7998                 if (res == -2) {
7999                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8000                         reply_len = 17;
8001                 } else if (res)
8002                         reply_len = -1;
8003         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
8004                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
8005                                                               reply,
8006                                                               reply_size);
8007         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
8008                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
8009                         wpa_s, buf + 14, reply, reply_size);
8010         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
8011                 if (wpas_wps_cancel(wpa_s))
8012                         reply_len = -1;
8013 #ifdef CONFIG_WPS_NFC
8014         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
8015                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
8016                         reply_len = -1;
8017         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
8018                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
8019                         reply_len = -1;
8020         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
8021                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
8022                         wpa_s, buf + 21, reply, reply_size);
8023         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
8024                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
8025                         wpa_s, buf + 14, reply, reply_size);
8026         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
8027                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
8028                                                                buf + 17))
8029                         reply_len = -1;
8030         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
8031                 reply_len = wpas_ctrl_nfc_get_handover_req(
8032                         wpa_s, buf + 21, reply, reply_size);
8033         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
8034                 reply_len = wpas_ctrl_nfc_get_handover_sel(
8035                         wpa_s, buf + 21, reply, reply_size);
8036         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
8037                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
8038                         reply_len = -1;
8039 #endif /* CONFIG_WPS_NFC */
8040         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
8041                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
8042                         reply_len = -1;
8043 #ifdef CONFIG_AP
8044         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
8045                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
8046                         wpa_s, buf + 11, reply, reply_size);
8047 #endif /* CONFIG_AP */
8048 #ifdef CONFIG_WPS_ER
8049         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
8050                 if (wpas_wps_er_start(wpa_s, NULL))
8051                         reply_len = -1;
8052         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
8053                 if (wpas_wps_er_start(wpa_s, buf + 13))
8054                         reply_len = -1;
8055         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
8056                 wpas_wps_er_stop(wpa_s);
8057         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
8058                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
8059                         reply_len = -1;
8060         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
8061                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
8062                 if (ret == -2) {
8063                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8064                         reply_len = 17;
8065                 } else if (ret == -3) {
8066                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
8067                         reply_len = 18;
8068                 } else if (ret == -4) {
8069                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
8070                         reply_len = 20;
8071                 } else if (ret)
8072                         reply_len = -1;
8073         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
8074                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
8075                         reply_len = -1;
8076         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
8077                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
8078                                                                 buf + 18))
8079                         reply_len = -1;
8080         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
8081                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
8082                         reply_len = -1;
8083 #ifdef CONFIG_WPS_NFC
8084         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
8085                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
8086                         wpa_s, buf + 24, reply, reply_size);
8087 #endif /* CONFIG_WPS_NFC */
8088 #endif /* CONFIG_WPS_ER */
8089 #endif /* CONFIG_WPS */
8090 #ifdef CONFIG_IBSS_RSN
8091         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
8092                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
8093                         reply_len = -1;
8094 #endif /* CONFIG_IBSS_RSN */
8095 #ifdef CONFIG_MESH
8096         } else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
8097                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8098                         wpa_s, buf + 19, reply, reply_size);
8099         } else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
8100                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8101                         wpa_s, "", reply, reply_size);
8102         } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
8103                 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
8104                         reply_len = -1;
8105         } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
8106                 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
8107                                                                 buf + 18))
8108                         reply_len = -1;
8109 #endif /* CONFIG_MESH */
8110 #ifdef CONFIG_P2P
8111         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
8112                 if (p2p_ctrl_find(wpa_s, buf + 8))
8113                         reply_len = -1;
8114         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
8115                 if (p2p_ctrl_find(wpa_s, ""))
8116                         reply_len = -1;
8117         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
8118                 wpas_p2p_stop_find(wpa_s);
8119         } else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
8120                 if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
8121                         reply_len = -1;
8122         } else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
8123                 if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
8124                         reply_len = -1;
8125         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
8126                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
8127                                              reply_size);
8128         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
8129                 if (p2p_ctrl_listen(wpa_s, buf + 11))
8130                         reply_len = -1;
8131         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
8132                 if (p2p_ctrl_listen(wpa_s, ""))
8133                         reply_len = -1;
8134         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
8135                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
8136                         reply_len = -1;
8137         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
8138                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0, 0))
8139                         reply_len = -1;
8140         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
8141                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
8142                         reply_len = -1;
8143         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
8144                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
8145                         reply_len = -1;
8146         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
8147                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
8148         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
8149                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
8150                                                    reply_size);
8151         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
8152                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
8153                         reply_len = -1;
8154         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
8155                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
8156                         reply_len = -1;
8157         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
8158                 wpas_p2p_sd_service_update(wpa_s);
8159         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
8160                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
8161                         reply_len = -1;
8162         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
8163                 wpas_p2p_service_flush(wpa_s);
8164         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
8165                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
8166                         reply_len = -1;
8167         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
8168                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
8169                         reply_len = -1;
8170         } else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
8171                 if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
8172                         reply_len = -1;
8173         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
8174                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
8175                         reply_len = -1;
8176         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
8177                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
8178                         reply_len = -1;
8179         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
8180                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
8181                                               reply_size);
8182         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
8183                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
8184                         reply_len = -1;
8185         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
8186                 p2p_ctrl_flush(wpa_s);
8187         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
8188                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
8189                         reply_len = -1;
8190         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
8191                 if (wpas_p2p_cancel(wpa_s))
8192                         reply_len = -1;
8193         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
8194                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
8195                         reply_len = -1;
8196         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
8197                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
8198                         reply_len = -1;
8199         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
8200                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
8201                         reply_len = -1;
8202         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
8203                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
8204                         reply_len = -1;
8205         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
8206                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
8207                         reply_len = -1;
8208 #endif /* CONFIG_P2P */
8209 #ifdef CONFIG_WIFI_DISPLAY
8210         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
8211                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
8212                         reply_len = -1;
8213         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
8214                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
8215                                                      reply, reply_size);
8216 #endif /* CONFIG_WIFI_DISPLAY */
8217 #ifdef CONFIG_INTERWORKING
8218         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
8219                 if (interworking_fetch_anqp(wpa_s) < 0)
8220                         reply_len = -1;
8221         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
8222                 interworking_stop_fetch_anqp(wpa_s);
8223         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
8224                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
8225                         reply_len = -1;
8226         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
8227                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
8228                         reply_len = -1;
8229         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
8230                 if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
8231                         reply_len = -1;
8232         } else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
8233                 int id;
8234
8235                 id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
8236                 if (id < 0)
8237                         reply_len = -1;
8238                 else {
8239                         reply_len = os_snprintf(reply, reply_size, "%d\n", id);
8240                         if (os_snprintf_error(reply_size, reply_len))
8241                                 reply_len = -1;
8242                 }
8243         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
8244                 if (get_anqp(wpa_s, buf + 9) < 0)
8245                         reply_len = -1;
8246         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
8247                 if (gas_request(wpa_s, buf + 12) < 0)
8248                         reply_len = -1;
8249         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
8250                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
8251                                              reply_size);
8252 #endif /* CONFIG_INTERWORKING */
8253 #ifdef CONFIG_HS20
8254         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
8255                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
8256                         reply_len = -1;
8257         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
8258                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
8259                         reply_len = -1;
8260         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
8261                 if (hs20_icon_request(wpa_s, buf + 18) < 0)
8262                         reply_len = -1;
8263         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
8264                 if (hs20_fetch_osu(wpa_s) < 0)
8265                         reply_len = -1;
8266         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
8267                 hs20_cancel_fetch_osu(wpa_s);
8268 #endif /* CONFIG_HS20 */
8269         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
8270         {
8271                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
8272                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
8273                         reply_len = -1;
8274                 else {
8275                         /*
8276                          * Notify response from timeout to allow the control
8277                          * interface response to be sent first.
8278                          */
8279                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
8280                                                wpa_s, NULL);
8281                 }
8282         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
8283                 if (wpa_supplicant_reload_configuration(wpa_s))
8284                         reply_len = -1;
8285         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8286                 wpa_supplicant_terminate_proc(wpa_s->global);
8287         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
8288                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
8289                         reply_len = -1;
8290         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
8291                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
8292                         wpa_s, buf + 9, reply, reply_size);
8293         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
8294                 reply_len = wpa_supplicant_ctrl_iface_log_level(
8295                         wpa_s, buf + 9, reply, reply_size);
8296         } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
8297                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8298                         wpa_s, buf + 14, reply, reply_size);
8299         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
8300                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8301                         wpa_s, NULL, reply, reply_size);
8302         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
8303 #ifdef CONFIG_SME
8304                 wpa_s->sme.prev_bssid_set = 0;
8305 #endif /* CONFIG_SME */
8306                 wpa_s->reassociate = 0;
8307                 wpa_s->disconnected = 1;
8308                 wpa_supplicant_cancel_sched_scan(wpa_s);
8309                 wpa_supplicant_cancel_scan(wpa_s);
8310                 wpa_supplicant_deauthenticate(wpa_s,
8311                                               WLAN_REASON_DEAUTH_LEAVING);
8312                 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
8313         } else if (os_strcmp(buf, "SCAN") == 0) {
8314                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
8315         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
8316                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
8317         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
8318                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
8319                         wpa_s, reply, reply_size);
8320         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
8321                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
8322                         reply_len = -1;
8323         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
8324                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
8325                         reply_len = -1;
8326         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
8327                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
8328                         reply_len = -1;
8329         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
8330                 reply_len = wpa_supplicant_ctrl_iface_add_network(
8331                         wpa_s, reply, reply_size);
8332         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
8333                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
8334                         reply_len = -1;
8335         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8336                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
8337                         reply_len = -1;
8338         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
8339                 reply_len = wpa_supplicant_ctrl_iface_get_network(
8340                         wpa_s, buf + 12, reply, reply_size);
8341         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
8342                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12))
8343                         reply_len = -1;
8344         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
8345                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
8346                         wpa_s, reply, reply_size);
8347         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
8348                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
8349                         wpa_s, reply, reply_size);
8350         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
8351                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
8352                         reply_len = -1;
8353         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
8354                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
8355                         reply_len = -1;
8356         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
8357                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
8358                                                                reply,
8359                                                                reply_size);
8360 #ifndef CONFIG_NO_CONFIG_WRITE
8361         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8362                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
8363                         reply_len = -1;
8364 #endif /* CONFIG_NO_CONFIG_WRITE */
8365         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
8366                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
8367                         wpa_s, buf + 15, reply, reply_size);
8368         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
8369                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
8370                         reply_len = -1;
8371         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
8372                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
8373                         reply_len = -1;
8374         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8375                 reply_len = wpa_supplicant_global_iface_list(
8376                         wpa_s->global, reply, reply_size);
8377         } else if (os_strcmp(buf, "INTERFACES") == 0) {
8378                 reply_len = wpa_supplicant_global_iface_interfaces(
8379                         wpa_s->global, reply, reply_size);
8380         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
8381                 reply_len = wpa_supplicant_ctrl_iface_bss(
8382                         wpa_s, buf + 4, reply, reply_size);
8383 #ifdef CONFIG_AP
8384         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
8385                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
8386         } else if (os_strncmp(buf, "STA ", 4) == 0) {
8387                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
8388                                               reply_size);
8389         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
8390                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
8391                                                    reply_size);
8392         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
8393                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
8394                         reply_len = -1;
8395         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
8396                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
8397                         reply_len = -1;
8398         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
8399                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
8400                         reply_len = -1;
8401         } else if (os_strcmp(buf, "STOP_AP") == 0) {
8402                 if (wpas_ap_stop_ap(wpa_s))
8403                         reply_len = -1;
8404 #endif /* CONFIG_AP */
8405         } else if (os_strcmp(buf, "SUSPEND") == 0) {
8406                 wpas_notify_suspend(wpa_s->global);
8407         } else if (os_strcmp(buf, "RESUME") == 0) {
8408                 wpas_notify_resume(wpa_s->global);
8409 #ifdef CONFIG_TESTING_OPTIONS
8410         } else if (os_strcmp(buf, "DROP_SA") == 0) {
8411                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
8412 #endif /* CONFIG_TESTING_OPTIONS */
8413         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
8414                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
8415                         reply_len = -1;
8416         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
8417                 wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
8418         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
8419                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
8420                         reply_len = -1;
8421         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
8422                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
8423                                                                buf + 17))
8424                         reply_len = -1;
8425         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
8426                 wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
8427 #ifdef CONFIG_TDLS
8428         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
8429                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
8430                         reply_len = -1;
8431         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
8432                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
8433                         reply_len = -1;
8434         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
8435                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
8436                         reply_len = -1;
8437         } else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
8438                 if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
8439                                                                buf + 17))
8440                         reply_len = -1;
8441         } else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
8442                 if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
8443                                                                       buf + 24))
8444                         reply_len = -1;
8445         } else if (os_strncmp(buf, "TDLS_LINK_STATUS ", 17) == 0) {
8446                 reply_len = wpa_supplicant_ctrl_iface_tdls_link_status(
8447                         wpa_s, buf + 17, reply, reply_size);
8448 #endif /* CONFIG_TDLS */
8449         } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
8450                 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
8451         } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
8452                 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
8453                         reply_len = -1;
8454         } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
8455                 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
8456                         reply_len = -1;
8457         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
8458                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
8459                                                        reply_size);
8460         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
8461                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
8462                                                        reply_size);
8463 #ifdef CONFIG_AUTOSCAN
8464         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
8465                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
8466                         reply_len = -1;
8467 #endif /* CONFIG_AUTOSCAN */
8468 #ifdef ANDROID
8469         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
8470                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
8471                                                       reply_size);
8472 #endif /* ANDROID */
8473         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
8474                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
8475                                                       reply_size);
8476         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
8477                 pmksa_cache_clear_current(wpa_s->wpa);
8478                 eapol_sm_request_reauth(wpa_s->eapol);
8479 #ifdef CONFIG_WNM
8480         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
8481                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
8482                         reply_len = -1;
8483         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
8484                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
8485                                 reply_len = -1;
8486 #endif /* CONFIG_WNM */
8487         } else if (os_strcmp(buf, "FLUSH") == 0) {
8488                 wpa_supplicant_ctrl_iface_flush(wpa_s);
8489         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
8490                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
8491                                                  reply_size);
8492 #ifdef CONFIG_TESTING_OPTIONS
8493         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
8494                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
8495                         reply_len = -1;
8496         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
8497                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
8498         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
8499                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
8500                         reply_len = -1;
8501         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
8502                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
8503                         reply_len = -1;
8504         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
8505                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
8506                         reply_len = -1;
8507         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
8508                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
8509                         reply_len = -1;
8510         } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
8511                 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
8512                         reply_len = -1;
8513         } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
8514                 if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
8515                         reply_len = -1;
8516         } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
8517                 reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
8518 #endif /* CONFIG_TESTING_OPTIONS */
8519         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
8520                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
8521                         reply_len = -1;
8522         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
8523                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
8524                                                       reply_size);
8525         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
8526                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
8527                         reply_len = -1;
8528         } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
8529                 if (wpas_ctrl_iface_send_neigbor_rep(wpa_s, buf + 20))
8530                         reply_len = -1;
8531         } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
8532                 wpas_ctrl_iface_erp_flush(wpa_s);
8533         } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
8534                 if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
8535                         reply_len = -1;
8536         } else {
8537                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8538                 reply_len = 16;
8539         }
8540
8541         if (reply_len < 0) {
8542                 os_memcpy(reply, "FAIL\n", 5);
8543                 reply_len = 5;
8544         }
8545
8546         *resp_len = reply_len;
8547         return reply;
8548 }
8549
8550
8551 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
8552                                            char *cmd)
8553 {
8554         struct wpa_interface iface;
8555         char *pos, *extra;
8556         struct wpa_supplicant *wpa_s;
8557         unsigned int create_iface = 0;
8558         u8 mac_addr[ETH_ALEN];
8559
8560         /*
8561          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
8562          * TAB<bridge_ifname>[TAB<create>]
8563          */
8564         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
8565
8566         os_memset(&iface, 0, sizeof(iface));
8567
8568         do {
8569                 iface.ifname = pos = cmd;
8570                 pos = os_strchr(pos, '\t');
8571                 if (pos)
8572                         *pos++ = '\0';
8573                 if (iface.ifname[0] == '\0')
8574                         return -1;
8575                 if (pos == NULL)
8576                         break;
8577
8578                 iface.confname = pos;
8579                 pos = os_strchr(pos, '\t');
8580                 if (pos)
8581                         *pos++ = '\0';
8582                 if (iface.confname[0] == '\0')
8583                         iface.confname = NULL;
8584                 if (pos == NULL)
8585                         break;
8586
8587                 iface.driver = pos;
8588                 pos = os_strchr(pos, '\t');
8589                 if (pos)
8590                         *pos++ = '\0';
8591                 if (iface.driver[0] == '\0')
8592                         iface.driver = NULL;
8593                 if (pos == NULL)
8594                         break;
8595
8596                 iface.ctrl_interface = pos;
8597                 pos = os_strchr(pos, '\t');
8598                 if (pos)
8599                         *pos++ = '\0';
8600                 if (iface.ctrl_interface[0] == '\0')
8601                         iface.ctrl_interface = NULL;
8602                 if (pos == NULL)
8603                         break;
8604
8605                 iface.driver_param = pos;
8606                 pos = os_strchr(pos, '\t');
8607                 if (pos)
8608                         *pos++ = '\0';
8609                 if (iface.driver_param[0] == '\0')
8610                         iface.driver_param = NULL;
8611                 if (pos == NULL)
8612                         break;
8613
8614                 iface.bridge_ifname = pos;
8615                 pos = os_strchr(pos, '\t');
8616                 if (pos)
8617                         *pos++ = '\0';
8618                 if (iface.bridge_ifname[0] == '\0')
8619                         iface.bridge_ifname = NULL;
8620                 if (pos == NULL)
8621                         break;
8622
8623                 extra = pos;
8624                 pos = os_strchr(pos, '\t');
8625                 if (pos)
8626                         *pos++ = '\0';
8627                 if (!extra[0])
8628                         break;
8629
8630                 if (os_strcmp(extra, "create") == 0)
8631                         create_iface = 1;
8632                 else {
8633                         wpa_printf(MSG_DEBUG,
8634                                    "INTERFACE_ADD unsupported extra parameter: '%s'",
8635                                    extra);
8636                         return -1;
8637                 }
8638         } while (0);
8639
8640         if (create_iface) {
8641                 wpa_printf(MSG_DEBUG, "CTRL_IFACE creating interface '%s'",
8642                            iface.ifname);
8643                 if (!global->ifaces)
8644                         return -1;
8645                 if (wpa_drv_if_add(global->ifaces, WPA_IF_STATION, iface.ifname,
8646                                    NULL, NULL, NULL, mac_addr, NULL) < 0) {
8647                         wpa_printf(MSG_ERROR,
8648                                    "CTRL_IFACE interface creation failed");
8649                         return -1;
8650                 }
8651
8652                 wpa_printf(MSG_DEBUG,
8653                            "CTRL_IFACE interface '%s' created with MAC addr: "
8654                            MACSTR, iface.ifname, MAC2STR(mac_addr));
8655         }
8656
8657         if (wpa_supplicant_get_iface(global, iface.ifname))
8658                 goto fail;
8659
8660         wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
8661         if (!wpa_s)
8662                 goto fail;
8663         wpa_s->added_vif = create_iface;
8664         return 0;
8665
8666 fail:
8667         if (create_iface)
8668                 wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, iface.ifname);
8669         return -1;
8670 }
8671
8672
8673 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
8674                                               char *cmd)
8675 {
8676         struct wpa_supplicant *wpa_s;
8677         int ret;
8678         unsigned int delete_iface;
8679
8680         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
8681
8682         wpa_s = wpa_supplicant_get_iface(global, cmd);
8683         if (wpa_s == NULL)
8684                 return -1;
8685         delete_iface = wpa_s->added_vif;
8686         ret = wpa_supplicant_remove_iface(global, wpa_s, 0);
8687         if (!ret && delete_iface) {
8688                 wpa_printf(MSG_DEBUG, "CTRL_IFACE deleting the interface '%s'",
8689                            cmd);
8690                 ret = wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, cmd);
8691         }
8692         return ret;
8693 }
8694
8695
8696 static void wpa_free_iface_info(struct wpa_interface_info *iface)
8697 {
8698         struct wpa_interface_info *prev;
8699
8700         while (iface) {
8701                 prev = iface;
8702                 iface = iface->next;
8703
8704                 os_free(prev->ifname);
8705                 os_free(prev->desc);
8706                 os_free(prev);
8707         }
8708 }
8709
8710
8711 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
8712                                             char *buf, int len)
8713 {
8714         int i, res;
8715         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
8716         char *pos, *end;
8717
8718         for (i = 0; wpa_drivers[i]; i++) {
8719                 const struct wpa_driver_ops *drv = wpa_drivers[i];
8720                 if (drv->get_interfaces == NULL)
8721                         continue;
8722                 tmp = drv->get_interfaces(global->drv_priv[i]);
8723                 if (tmp == NULL)
8724                         continue;
8725
8726                 if (last == NULL)
8727                         iface = last = tmp;
8728                 else
8729                         last->next = tmp;
8730                 while (last->next)
8731                         last = last->next;
8732         }
8733
8734         pos = buf;
8735         end = buf + len;
8736         for (tmp = iface; tmp; tmp = tmp->next) {
8737                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
8738                                   tmp->drv_name, tmp->ifname,
8739                                   tmp->desc ? tmp->desc : "");
8740                 if (os_snprintf_error(end - pos, res)) {
8741                         *pos = '\0';
8742                         break;
8743                 }
8744                 pos += res;
8745         }
8746
8747         wpa_free_iface_info(iface);
8748
8749         return pos - buf;
8750 }
8751
8752
8753 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
8754                                                   char *buf, int len)
8755 {
8756         int res;
8757         char *pos, *end;
8758         struct wpa_supplicant *wpa_s;
8759
8760         wpa_s = global->ifaces;
8761         pos = buf;
8762         end = buf + len;
8763
8764         while (wpa_s) {
8765                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
8766                 if (os_snprintf_error(end - pos, res)) {
8767                         *pos = '\0';
8768                         break;
8769                 }
8770                 pos += res;
8771                 wpa_s = wpa_s->next;
8772         }
8773         return pos - buf;
8774 }
8775
8776
8777 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
8778                                             const char *ifname,
8779                                             char *cmd, size_t *resp_len)
8780 {
8781         struct wpa_supplicant *wpa_s;
8782
8783         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8784                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
8785                         break;
8786         }
8787
8788         if (wpa_s == NULL) {
8789                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
8790                 if (resp)
8791                         *resp_len = os_strlen(resp);
8792                 else
8793                         *resp_len = 1;
8794                 return resp;
8795         }
8796
8797         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
8798 }
8799
8800
8801 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
8802                                                char *buf, size_t *resp_len)
8803 {
8804 #ifdef CONFIG_P2P
8805         static const char * cmd[] = {
8806                 "LIST_NETWORKS",
8807                 "P2P_FIND",
8808                 "P2P_STOP_FIND",
8809                 "P2P_LISTEN",
8810                 "P2P_GROUP_ADD",
8811                 "P2P_GET_PASSPHRASE",
8812                 "P2P_SERVICE_UPDATE",
8813                 "P2P_SERVICE_FLUSH",
8814                 "P2P_FLUSH",
8815                 "P2P_CANCEL",
8816                 "P2P_PRESENCE_REQ",
8817                 "P2P_EXT_LISTEN",
8818                 NULL
8819         };
8820         static const char * prefix[] = {
8821 #ifdef ANDROID
8822                 "DRIVER ",
8823 #endif /* ANDROID */
8824                 "GET_NETWORK ",
8825                 "REMOVE_NETWORK ",
8826                 "P2P_FIND ",
8827                 "P2P_CONNECT ",
8828                 "P2P_LISTEN ",
8829                 "P2P_GROUP_REMOVE ",
8830                 "P2P_GROUP_ADD ",
8831                 "P2P_PROV_DISC ",
8832                 "P2P_SERV_DISC_REQ ",
8833                 "P2P_SERV_DISC_CANCEL_REQ ",
8834                 "P2P_SERV_DISC_RESP ",
8835                 "P2P_SERV_DISC_EXTERNAL ",
8836                 "P2P_SERVICE_ADD ",
8837                 "P2P_SERVICE_DEL ",
8838                 "P2P_SERVICE_REP ",
8839                 "P2P_REJECT ",
8840                 "P2P_INVITE ",
8841                 "P2P_PEER ",
8842                 "P2P_SET ",
8843                 "P2P_UNAUTHORIZE ",
8844                 "P2P_PRESENCE_REQ ",
8845                 "P2P_EXT_LISTEN ",
8846                 "P2P_REMOVE_CLIENT ",
8847                 "WPS_NFC_TOKEN ",
8848                 "WPS_NFC_TAG_READ ",
8849                 "NFC_GET_HANDOVER_SEL ",
8850                 "NFC_GET_HANDOVER_REQ ",
8851                 "NFC_REPORT_HANDOVER ",
8852                 "P2P_ASP_PROVISION ",
8853                 "P2P_ASP_PROVISION_RESP ",
8854                 NULL
8855         };
8856         int found = 0;
8857         int i;
8858
8859         if (global->p2p_init_wpa_s == NULL)
8860                 return NULL;
8861
8862         for (i = 0; !found && cmd[i]; i++) {
8863                 if (os_strcmp(buf, cmd[i]) == 0)
8864                         found = 1;
8865         }
8866
8867         for (i = 0; !found && prefix[i]; i++) {
8868                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
8869                         found = 1;
8870         }
8871
8872         if (found)
8873                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
8874                                                          buf, resp_len);
8875 #endif /* CONFIG_P2P */
8876         return NULL;
8877 }
8878
8879
8880 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
8881                                                char *buf, size_t *resp_len)
8882 {
8883 #ifdef CONFIG_WIFI_DISPLAY
8884         if (global->p2p_init_wpa_s == NULL)
8885                 return NULL;
8886         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
8887             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
8888                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
8889                                                          buf, resp_len);
8890 #endif /* CONFIG_WIFI_DISPLAY */
8891         return NULL;
8892 }
8893
8894
8895 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
8896                                            char *buf, size_t *resp_len)
8897 {
8898         char *ret;
8899
8900         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
8901         if (ret)
8902                 return ret;
8903
8904         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
8905         if (ret)
8906                 return ret;
8907
8908         return NULL;
8909 }
8910
8911
8912 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
8913 {
8914         char *value;
8915
8916         value = os_strchr(cmd, ' ');
8917         if (value == NULL)
8918                 return -1;
8919         *value++ = '\0';
8920
8921         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
8922
8923 #ifdef CONFIG_WIFI_DISPLAY
8924         if (os_strcasecmp(cmd, "wifi_display") == 0) {
8925                 wifi_display_enable(global, !!atoi(value));
8926                 return 0;
8927         }
8928 #endif /* CONFIG_WIFI_DISPLAY */
8929
8930         /* Restore cmd to its original value to allow redirection */
8931         value[-1] = ' ';
8932
8933         return -1;
8934 }
8935
8936
8937 #ifndef CONFIG_NO_CONFIG_WRITE
8938 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
8939 {
8940         int ret = 0, saved = 0;
8941         struct wpa_supplicant *wpa_s;
8942
8943         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8944                 if (!wpa_s->conf->update_config) {
8945                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
8946                         continue;
8947                 }
8948
8949                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
8950                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
8951                         ret = 1;
8952                 } else {
8953                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
8954                         saved++;
8955                 }
8956         }
8957
8958         if (!saved && !ret) {
8959                 wpa_dbg(wpa_s, MSG_DEBUG,
8960                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
8961                 ret = 1;
8962         }
8963
8964         return ret;
8965 }
8966 #endif /* CONFIG_NO_CONFIG_WRITE */
8967
8968
8969 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
8970                                          char *buf, size_t buflen)
8971 {
8972         char *pos, *end;
8973         int ret;
8974         struct wpa_supplicant *wpa_s;
8975
8976         pos = buf;
8977         end = buf + buflen;
8978
8979 #ifdef CONFIG_P2P
8980         if (global->p2p && !global->p2p_disabled) {
8981                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
8982                                   "\n"
8983                                   "p2p_state=%s\n",
8984                                   MAC2STR(global->p2p_dev_addr),
8985                                   p2p_get_state_txt(global->p2p));
8986                 if (os_snprintf_error(end - pos, ret))
8987                         return pos - buf;
8988                 pos += ret;
8989         } else if (global->p2p) {
8990                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
8991                 if (os_snprintf_error(end - pos, ret))
8992                         return pos - buf;
8993                 pos += ret;
8994         }
8995 #endif /* CONFIG_P2P */
8996
8997 #ifdef CONFIG_WIFI_DISPLAY
8998         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
8999                           !!global->wifi_display);
9000         if (os_snprintf_error(end - pos, ret))
9001                 return pos - buf;
9002         pos += ret;
9003 #endif /* CONFIG_WIFI_DISPLAY */
9004
9005         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9006                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
9007                                   "address=" MACSTR "\n",
9008                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
9009                 if (os_snprintf_error(end - pos, ret))
9010                         return pos - buf;
9011                 pos += ret;
9012         }
9013
9014         return pos - buf;
9015 }
9016
9017
9018 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
9019                                                 char *buf, size_t *resp_len)
9020 {
9021         char *reply;
9022         const int reply_size = 2048;
9023         int reply_len;
9024         int level = MSG_DEBUG;
9025
9026         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
9027                 char *pos = os_strchr(buf + 7, ' ');
9028                 if (pos) {
9029                         *pos++ = '\0';
9030                         return wpas_global_ctrl_iface_ifname(global,
9031                                                              buf + 7, pos,
9032                                                              resp_len);
9033                 }
9034         }
9035
9036         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
9037         if (reply)
9038                 return reply;
9039
9040         if (os_strcmp(buf, "PING") == 0)
9041                 level = MSG_EXCESSIVE;
9042         wpa_hexdump_ascii(level, "RX global ctrl_iface",
9043                           (const u8 *) buf, os_strlen(buf));
9044
9045         reply = os_malloc(reply_size);
9046         if (reply == NULL) {
9047                 *resp_len = 1;
9048                 return NULL;
9049         }
9050
9051         os_memcpy(reply, "OK\n", 3);
9052         reply_len = 3;
9053
9054         if (os_strcmp(buf, "PING") == 0) {
9055                 os_memcpy(reply, "PONG\n", 5);
9056                 reply_len = 5;
9057         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
9058                 if (wpa_supplicant_global_iface_add(global, buf + 14))
9059                         reply_len = -1;
9060         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
9061                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
9062                         reply_len = -1;
9063         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
9064                 reply_len = wpa_supplicant_global_iface_list(
9065                         global, reply, reply_size);
9066         } else if (os_strcmp(buf, "INTERFACES") == 0) {
9067                 reply_len = wpa_supplicant_global_iface_interfaces(
9068                         global, reply, reply_size);
9069         } else if (os_strcmp(buf, "TERMINATE") == 0) {
9070                 wpa_supplicant_terminate_proc(global);
9071         } else if (os_strcmp(buf, "SUSPEND") == 0) {
9072                 wpas_notify_suspend(global);
9073         } else if (os_strcmp(buf, "RESUME") == 0) {
9074                 wpas_notify_resume(global);
9075         } else if (os_strncmp(buf, "SET ", 4) == 0) {
9076                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
9077 #ifdef CONFIG_P2P
9078                         if (global->p2p_init_wpa_s) {
9079                                 os_free(reply);
9080                                 /* Check if P2P redirection would work for this
9081                                  * command. */
9082                                 return wpa_supplicant_ctrl_iface_process(
9083                                         global->p2p_init_wpa_s,
9084                                         buf, resp_len);
9085                         }
9086 #endif /* CONFIG_P2P */
9087                         reply_len = -1;
9088                 }
9089 #ifndef CONFIG_NO_CONFIG_WRITE
9090         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
9091                 if (wpas_global_ctrl_iface_save_config(global))
9092                         reply_len = -1;
9093 #endif /* CONFIG_NO_CONFIG_WRITE */
9094         } else if (os_strcmp(buf, "STATUS") == 0) {
9095                 reply_len = wpas_global_ctrl_iface_status(global, reply,
9096                                                           reply_size);
9097 #ifdef CONFIG_MODULE_TESTS
9098         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
9099                 int wpas_module_tests(void);
9100                 if (wpas_module_tests() < 0)
9101                         reply_len = -1;
9102 #endif /* CONFIG_MODULE_TESTS */
9103         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
9104                 if (wpa_debug_reopen_file() < 0)
9105                         reply_len = -1;
9106         } else {
9107                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
9108                 reply_len = 16;
9109         }
9110
9111         if (reply_len < 0) {
9112                 os_memcpy(reply, "FAIL\n", 5);
9113                 reply_len = 5;
9114         }
9115
9116         *resp_len = reply_len;
9117         return reply;
9118 }