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 #ifdef CONFIG_FST
2569         if (wpa_bss_get_ie(bss, WLAN_EID_MULTI_BAND)) {
2570                 ret = os_snprintf(pos, end - pos, "[FST]");
2571                 if (os_snprintf_error(end - pos, ret))
2572                         return -1;
2573                 pos += ret;
2574         }
2575 #endif /* CONFIG_FST */
2576
2577         ret = os_snprintf(pos, end - pos, "\t%s",
2578                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2579         if (os_snprintf_error(end - pos, ret))
2580                 return -1;
2581         pos += ret;
2582
2583         ret = os_snprintf(pos, end - pos, "\n");
2584         if (os_snprintf_error(end - pos, ret))
2585                 return -1;
2586         pos += ret;
2587
2588         return pos - buf;
2589 }
2590
2591
2592 static int wpa_supplicant_ctrl_iface_scan_results(
2593         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2594 {
2595         char *pos, *end;
2596         struct wpa_bss *bss;
2597         int ret;
2598
2599         pos = buf;
2600         end = buf + buflen;
2601         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2602                           "flags / ssid\n");
2603         if (os_snprintf_error(end - pos, ret))
2604                 return pos - buf;
2605         pos += ret;
2606
2607         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2608                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2609                                                             end - pos);
2610                 if (ret < 0 || ret >= end - pos)
2611                         return pos - buf;
2612                 pos += ret;
2613         }
2614
2615         return pos - buf;
2616 }
2617
2618
2619 #ifdef CONFIG_MESH
2620
2621 static int wpa_supplicant_ctrl_iface_mesh_interface_add(
2622         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
2623 {
2624         char *pos, ifname[IFNAMSIZ + 1];
2625
2626         ifname[0] = '\0';
2627
2628         pos = os_strstr(cmd, "ifname=");
2629         if (pos) {
2630                 pos += 7;
2631                 os_strlcpy(ifname, pos, sizeof(ifname));
2632         }
2633
2634         if (wpas_mesh_add_interface(wpa_s, ifname, sizeof(ifname)) < 0)
2635                 return -1;
2636
2637         os_strlcpy(reply, ifname, max_len);
2638         return os_strlen(ifname);
2639 }
2640
2641
2642 static int wpa_supplicant_ctrl_iface_mesh_group_add(
2643         struct wpa_supplicant *wpa_s, char *cmd)
2644 {
2645         int id;
2646         struct wpa_ssid *ssid;
2647
2648         id = atoi(cmd);
2649         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_ADD id=%d", id);
2650
2651         ssid = wpa_config_get_network(wpa_s->conf, id);
2652         if (ssid == NULL) {
2653                 wpa_printf(MSG_DEBUG,
2654                            "CTRL_IFACE: Could not find network id=%d", id);
2655                 return -1;
2656         }
2657         if (ssid->mode != WPAS_MODE_MESH) {
2658                 wpa_printf(MSG_DEBUG,
2659                            "CTRL_IFACE: Cannot use MESH_GROUP_ADD on a non mesh network");
2660                 return -1;
2661         }
2662         if (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
2663             ssid->key_mgmt != WPA_KEY_MGMT_SAE) {
2664                 wpa_printf(MSG_ERROR,
2665                            "CTRL_IFACE: key_mgmt for mesh network should be open or SAE");
2666                 return -1;
2667         }
2668
2669         /*
2670          * TODO: If necessary write our own group_add function,
2671          * for now we can reuse select_network
2672          */
2673         wpa_supplicant_select_network(wpa_s, ssid);
2674
2675         return 0;
2676 }
2677
2678
2679 static int wpa_supplicant_ctrl_iface_mesh_group_remove(
2680         struct wpa_supplicant *wpa_s, char *cmd)
2681 {
2682         struct wpa_supplicant *orig;
2683         struct wpa_global *global;
2684         int found = 0;
2685
2686         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s", cmd);
2687
2688         global = wpa_s->global;
2689         orig = wpa_s;
2690
2691         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2692                 if (os_strcmp(wpa_s->ifname, cmd) == 0) {
2693                         found = 1;
2694                         break;
2695                 }
2696         }
2697         if (!found) {
2698                 wpa_printf(MSG_ERROR,
2699                            "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s not found",
2700                            cmd);
2701                 return -1;
2702         }
2703         if (wpa_s->mesh_if_created && wpa_s == orig) {
2704                 wpa_printf(MSG_ERROR,
2705                            "CTRL_IFACE: MESH_GROUP_REMOVE can't remove itself");
2706                 return -1;
2707         }
2708
2709         wpa_s->reassociate = 0;
2710         wpa_s->disconnected = 1;
2711         wpa_supplicant_cancel_sched_scan(wpa_s);
2712         wpa_supplicant_cancel_scan(wpa_s);
2713
2714         /*
2715          * TODO: If necessary write our own group_remove function,
2716          * for now we can reuse deauthenticate
2717          */
2718         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2719
2720         if (wpa_s->mesh_if_created)
2721                 wpa_supplicant_remove_iface(global, wpa_s, 0);
2722
2723         return 0;
2724 }
2725
2726 #endif /* CONFIG_MESH */
2727
2728
2729 static int wpa_supplicant_ctrl_iface_select_network(
2730         struct wpa_supplicant *wpa_s, char *cmd)
2731 {
2732         int id;
2733         struct wpa_ssid *ssid;
2734         char *pos;
2735
2736         /* cmd: "<network id>" or "any" */
2737         if (os_strncmp(cmd, "any", 3) == 0) {
2738                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2739                 ssid = NULL;
2740         } else {
2741                 id = atoi(cmd);
2742                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2743
2744                 ssid = wpa_config_get_network(wpa_s->conf, id);
2745                 if (ssid == NULL) {
2746                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2747                                    "network id=%d", id);
2748                         return -1;
2749                 }
2750                 if (ssid->disabled == 2) {
2751                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2752                                    "SELECT_NETWORK with persistent P2P group");
2753                         return -1;
2754                 }
2755         }
2756
2757         pos = os_strstr(cmd, " freq=");
2758         if (pos) {
2759                 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2760                 if (freqs) {
2761                         wpa_s->scan_req = MANUAL_SCAN_REQ;
2762                         os_free(wpa_s->manual_scan_freqs);
2763                         wpa_s->manual_scan_freqs = freqs;
2764                 }
2765         }
2766
2767         wpa_supplicant_select_network(wpa_s, ssid);
2768
2769         return 0;
2770 }
2771
2772
2773 static int wpa_supplicant_ctrl_iface_enable_network(
2774         struct wpa_supplicant *wpa_s, char *cmd)
2775 {
2776         int id;
2777         struct wpa_ssid *ssid;
2778
2779         /* cmd: "<network id>" or "all" */
2780         if (os_strcmp(cmd, "all") == 0) {
2781                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2782                 ssid = NULL;
2783         } else {
2784                 id = atoi(cmd);
2785                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2786
2787                 ssid = wpa_config_get_network(wpa_s->conf, id);
2788                 if (ssid == NULL) {
2789                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2790                                    "network id=%d", id);
2791                         return -1;
2792                 }
2793                 if (ssid->disabled == 2) {
2794                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2795                                    "ENABLE_NETWORK with persistent P2P group");
2796                         return -1;
2797                 }
2798
2799                 if (os_strstr(cmd, " no-connect")) {
2800                         ssid->disabled = 0;
2801                         return 0;
2802                 }
2803         }
2804         wpa_supplicant_enable_network(wpa_s, ssid);
2805
2806         return 0;
2807 }
2808
2809
2810 static int wpa_supplicant_ctrl_iface_disable_network(
2811         struct wpa_supplicant *wpa_s, char *cmd)
2812 {
2813         int id;
2814         struct wpa_ssid *ssid;
2815
2816         /* cmd: "<network id>" or "all" */
2817         if (os_strcmp(cmd, "all") == 0) {
2818                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2819                 ssid = NULL;
2820         } else {
2821                 id = atoi(cmd);
2822                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2823
2824                 ssid = wpa_config_get_network(wpa_s->conf, id);
2825                 if (ssid == NULL) {
2826                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2827                                    "network id=%d", id);
2828                         return -1;
2829                 }
2830                 if (ssid->disabled == 2) {
2831                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2832                                    "DISABLE_NETWORK with persistent P2P "
2833                                    "group");
2834                         return -1;
2835                 }
2836         }
2837         wpa_supplicant_disable_network(wpa_s, ssid);
2838
2839         return 0;
2840 }
2841
2842
2843 static int wpa_supplicant_ctrl_iface_add_network(
2844         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2845 {
2846         struct wpa_ssid *ssid;
2847         int ret;
2848
2849         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2850
2851         ssid = wpa_config_add_network(wpa_s->conf);
2852         if (ssid == NULL)
2853                 return -1;
2854
2855         wpas_notify_network_added(wpa_s, ssid);
2856
2857         ssid->disabled = 1;
2858         wpa_config_set_network_defaults(ssid);
2859
2860         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2861         if (os_snprintf_error(buflen, ret))
2862                 return -1;
2863         return ret;
2864 }
2865
2866
2867 static int wpa_supplicant_ctrl_iface_remove_network(
2868         struct wpa_supplicant *wpa_s, char *cmd)
2869 {
2870         int id;
2871         struct wpa_ssid *ssid;
2872         int was_disabled;
2873
2874         /* cmd: "<network id>" or "all" */
2875         if (os_strcmp(cmd, "all") == 0) {
2876                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2877                 if (wpa_s->sched_scanning)
2878                         wpa_supplicant_cancel_sched_scan(wpa_s);
2879
2880                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2881                 if (wpa_s->current_ssid) {
2882 #ifdef CONFIG_SME
2883                         wpa_s->sme.prev_bssid_set = 0;
2884 #endif /* CONFIG_SME */
2885                         wpa_sm_set_config(wpa_s->wpa, NULL);
2886                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2887                         if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2888                                 wpa_s->own_disconnect_req = 1;
2889                         wpa_supplicant_deauthenticate(
2890                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2891                 }
2892                 ssid = wpa_s->conf->ssid;
2893                 while (ssid) {
2894                         struct wpa_ssid *remove_ssid = ssid;
2895                         id = ssid->id;
2896                         ssid = ssid->next;
2897                         if (wpa_s->last_ssid == remove_ssid)
2898                                 wpa_s->last_ssid = NULL;
2899                         wpas_notify_network_removed(wpa_s, remove_ssid);
2900                         wpa_config_remove_network(wpa_s->conf, id);
2901                 }
2902                 return 0;
2903         }
2904
2905         id = atoi(cmd);
2906         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2907
2908         ssid = wpa_config_get_network(wpa_s->conf, id);
2909         if (ssid)
2910                 wpas_notify_network_removed(wpa_s, ssid);
2911         if (ssid == NULL) {
2912                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2913                            "id=%d", id);
2914                 return -1;
2915         }
2916
2917         if (wpa_s->last_ssid == ssid)
2918                 wpa_s->last_ssid = NULL;
2919
2920         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2921 #ifdef CONFIG_SME
2922                 wpa_s->sme.prev_bssid_set = 0;
2923 #endif /* CONFIG_SME */
2924                 /*
2925                  * Invalidate the EAP session cache if the current or
2926                  * previously used network is removed.
2927                  */
2928                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2929         }
2930
2931         if (ssid == wpa_s->current_ssid) {
2932                 wpa_sm_set_config(wpa_s->wpa, NULL);
2933                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2934
2935                 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2936                         wpa_s->own_disconnect_req = 1;
2937                 wpa_supplicant_deauthenticate(wpa_s,
2938                                               WLAN_REASON_DEAUTH_LEAVING);
2939         }
2940
2941         was_disabled = ssid->disabled;
2942
2943         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2944                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2945                            "network id=%d", id);
2946                 return -1;
2947         }
2948
2949         if (!was_disabled && wpa_s->sched_scanning) {
2950                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2951                            "network from filters");
2952                 wpa_supplicant_cancel_sched_scan(wpa_s);
2953                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2954         }
2955
2956         return 0;
2957 }
2958
2959
2960 static int wpa_supplicant_ctrl_iface_update_network(
2961         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
2962         char *name, char *value)
2963 {
2964         if (wpa_config_set(ssid, name, value, 0) < 0) {
2965                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2966                            "variable '%s'", name);
2967                 return -1;
2968         }
2969
2970         if (os_strcmp(name, "bssid") != 0 &&
2971             os_strcmp(name, "priority") != 0)
2972                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2973
2974         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2975                 /*
2976                  * Invalidate the EAP session cache if anything in the current
2977                  * or previously used configuration changes.
2978                  */
2979                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2980         }
2981
2982         if ((os_strcmp(name, "psk") == 0 &&
2983              value[0] == '"' && ssid->ssid_len) ||
2984             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2985                 wpa_config_update_psk(ssid);
2986         else if (os_strcmp(name, "priority") == 0)
2987                 wpa_config_update_prio_list(wpa_s->conf);
2988
2989         return 0;
2990 }
2991
2992
2993 static int wpa_supplicant_ctrl_iface_set_network(
2994         struct wpa_supplicant *wpa_s, char *cmd)
2995 {
2996         int id, ret, prev_bssid_set, prev_disabled;
2997         struct wpa_ssid *ssid;
2998         char *name, *value;
2999         u8 prev_bssid[ETH_ALEN];
3000
3001         /* cmd: "<network id> <variable name> <value>" */
3002         name = os_strchr(cmd, ' ');
3003         if (name == NULL)
3004                 return -1;
3005         *name++ = '\0';
3006
3007         value = os_strchr(name, ' ');
3008         if (value == NULL)
3009                 return -1;
3010         *value++ = '\0';
3011
3012         id = atoi(cmd);
3013         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
3014                    id, name);
3015         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3016                               (u8 *) value, os_strlen(value));
3017
3018         ssid = wpa_config_get_network(wpa_s->conf, id);
3019         if (ssid == NULL) {
3020                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3021                            "id=%d", id);
3022                 return -1;
3023         }
3024
3025         prev_bssid_set = ssid->bssid_set;
3026         prev_disabled = ssid->disabled;
3027         os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
3028         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
3029                                                        value);
3030         if (ret == 0 &&
3031             (ssid->bssid_set != prev_bssid_set ||
3032              os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
3033                 wpas_notify_network_bssid_set_changed(wpa_s, ssid);
3034
3035         if (prev_disabled != ssid->disabled &&
3036             (prev_disabled == 2 || ssid->disabled == 2))
3037                 wpas_notify_network_type_changed(wpa_s, ssid);
3038
3039         return ret;
3040 }
3041
3042
3043 static int wpa_supplicant_ctrl_iface_get_network(
3044         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
3045 {
3046         int id;
3047         size_t res;
3048         struct wpa_ssid *ssid;
3049         char *name, *value;
3050
3051         /* cmd: "<network id> <variable name>" */
3052         name = os_strchr(cmd, ' ');
3053         if (name == NULL || buflen == 0)
3054                 return -1;
3055         *name++ = '\0';
3056
3057         id = atoi(cmd);
3058         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
3059                    id, name);
3060
3061         ssid = wpa_config_get_network(wpa_s->conf, id);
3062         if (ssid == NULL) {
3063                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3064                            "id=%d", id);
3065                 return -1;
3066         }
3067
3068         value = wpa_config_get_no_key(ssid, name);
3069         if (value == NULL) {
3070                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3071                            "variable '%s'", name);
3072                 return -1;
3073         }
3074
3075         res = os_strlcpy(buf, value, buflen);
3076         if (res >= buflen) {
3077                 os_free(value);
3078                 return -1;
3079         }
3080
3081         os_free(value);
3082
3083         return res;
3084 }
3085
3086
3087 static int wpa_supplicant_ctrl_iface_dup_network(
3088         struct wpa_supplicant *wpa_s, char *cmd)
3089 {
3090         struct wpa_ssid *ssid_s, *ssid_d;
3091         char *name, *id, *value;
3092         int id_s, id_d, ret;
3093
3094         /* cmd: "<src network id> <dst network id> <variable name>" */
3095         id = os_strchr(cmd, ' ');
3096         if (id == NULL)
3097                 return -1;
3098         *id++ = '\0';
3099
3100         name = os_strchr(id, ' ');
3101         if (name == NULL)
3102                 return -1;
3103         *name++ = '\0';
3104
3105         id_s = atoi(cmd);
3106         id_d = atoi(id);
3107         wpa_printf(MSG_DEBUG, "CTRL_IFACE: DUP_NETWORK id=%d -> %d name='%s'",
3108                    id_s, id_d, name);
3109
3110         ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
3111         if (ssid_s == NULL) {
3112                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3113                            "network id=%d", id_s);
3114                 return -1;
3115         }
3116
3117         ssid_d = wpa_config_get_network(wpa_s->conf, id_d);
3118         if (ssid_d == NULL) {
3119                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3120                            "network id=%d", id_d);
3121                 return -1;
3122         }
3123
3124         value = wpa_config_get(ssid_s, name);
3125         if (value == NULL) {
3126                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3127                            "variable '%s'", name);
3128                 return -1;
3129         }
3130
3131         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid_d, name,
3132                                                        value);
3133
3134         os_free(value);
3135
3136         return ret;
3137 }
3138
3139
3140 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
3141                                                 char *buf, size_t buflen)
3142 {
3143         char *pos, *end;
3144         struct wpa_cred *cred;
3145         int ret;
3146
3147         pos = buf;
3148         end = buf + buflen;
3149         ret = os_snprintf(pos, end - pos,
3150                           "cred id / realm / username / domain / imsi\n");
3151         if (os_snprintf_error(end - pos, ret))
3152                 return pos - buf;
3153         pos += ret;
3154
3155         cred = wpa_s->conf->cred;
3156         while (cred) {
3157                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
3158                                   cred->id, cred->realm ? cred->realm : "",
3159                                   cred->username ? cred->username : "",
3160                                   cred->domain ? cred->domain[0] : "",
3161                                   cred->imsi ? cred->imsi : "");
3162                 if (os_snprintf_error(end - pos, ret))
3163                         return pos - buf;
3164                 pos += ret;
3165
3166                 cred = cred->next;
3167         }
3168
3169         return pos - buf;
3170 }
3171
3172
3173 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
3174                                               char *buf, size_t buflen)
3175 {
3176         struct wpa_cred *cred;
3177         int ret;
3178
3179         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
3180
3181         cred = wpa_config_add_cred(wpa_s->conf);
3182         if (cred == NULL)
3183                 return -1;
3184
3185         wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
3186
3187         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
3188         if (os_snprintf_error(buflen, ret))
3189                 return -1;
3190         return ret;
3191 }
3192
3193
3194 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
3195                                  struct wpa_cred *cred)
3196 {
3197         struct wpa_ssid *ssid;
3198         char str[20];
3199         int id;
3200
3201         if (cred == NULL) {
3202                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3203                 return -1;
3204         }
3205
3206         id = cred->id;
3207         if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
3208                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3209                 return -1;
3210         }
3211
3212         wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
3213
3214         /* Remove any network entry created based on the removed credential */
3215         ssid = wpa_s->conf->ssid;
3216         while (ssid) {
3217                 if (ssid->parent_cred == cred) {
3218                         int res;
3219
3220                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
3221                                    "used the removed credential", ssid->id);
3222                         res = os_snprintf(str, sizeof(str), "%d", ssid->id);
3223                         if (os_snprintf_error(sizeof(str), res))
3224                                 str[sizeof(str) - 1] = '\0';
3225                         ssid = ssid->next;
3226                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
3227                 } else
3228                         ssid = ssid->next;
3229         }
3230
3231         return 0;
3232 }
3233
3234
3235 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
3236                                                  char *cmd)
3237 {
3238         int id;
3239         struct wpa_cred *cred, *prev;
3240
3241         /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
3242          * "provisioning_sp=<FQDN> */
3243         if (os_strcmp(cmd, "all") == 0) {
3244                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
3245                 cred = wpa_s->conf->cred;
3246                 while (cred) {
3247                         prev = cred;
3248                         cred = cred->next;
3249                         wpas_ctrl_remove_cred(wpa_s, prev);
3250                 }
3251                 return 0;
3252         }
3253
3254         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
3255                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
3256                            cmd + 8);
3257                 cred = wpa_s->conf->cred;
3258                 while (cred) {
3259                         prev = cred;
3260                         cred = cred->next;
3261                         if (prev->domain) {
3262                                 size_t i;
3263                                 for (i = 0; i < prev->num_domain; i++) {
3264                                         if (os_strcmp(prev->domain[i], cmd + 8)
3265                                             != 0)
3266                                                 continue;
3267                                         wpas_ctrl_remove_cred(wpa_s, prev);
3268                                         break;
3269                                 }
3270                         }
3271                 }
3272                 return 0;
3273         }
3274
3275         if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
3276                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
3277                            cmd + 16);
3278                 cred = wpa_s->conf->cred;
3279                 while (cred) {
3280                         prev = cred;
3281                         cred = cred->next;
3282                         if (prev->provisioning_sp &&
3283                             os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
3284                                 wpas_ctrl_remove_cred(wpa_s, prev);
3285                 }
3286                 return 0;
3287         }
3288
3289         id = atoi(cmd);
3290         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
3291
3292         cred = wpa_config_get_cred(wpa_s->conf, id);
3293         return wpas_ctrl_remove_cred(wpa_s, cred);
3294 }
3295
3296
3297 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
3298                                               char *cmd)
3299 {
3300         int id;
3301         struct wpa_cred *cred;
3302         char *name, *value;
3303
3304         /* cmd: "<cred id> <variable name> <value>" */
3305         name = os_strchr(cmd, ' ');
3306         if (name == NULL)
3307                 return -1;
3308         *name++ = '\0';
3309
3310         value = os_strchr(name, ' ');
3311         if (value == NULL)
3312                 return -1;
3313         *value++ = '\0';
3314
3315         id = atoi(cmd);
3316         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
3317                    id, name);
3318         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3319                               (u8 *) value, os_strlen(value));
3320
3321         cred = wpa_config_get_cred(wpa_s->conf, id);
3322         if (cred == NULL) {
3323                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3324                            id);
3325                 return -1;
3326         }
3327
3328         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
3329                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
3330                            "variable '%s'", name);
3331                 return -1;
3332         }
3333
3334         wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
3335
3336         return 0;
3337 }
3338
3339
3340 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
3341                                               char *cmd, char *buf,
3342                                               size_t buflen)
3343 {
3344         int id;
3345         size_t res;
3346         struct wpa_cred *cred;
3347         char *name, *value;
3348
3349         /* cmd: "<cred id> <variable name>" */
3350         name = os_strchr(cmd, ' ');
3351         if (name == NULL)
3352                 return -1;
3353         *name++ = '\0';
3354
3355         id = atoi(cmd);
3356         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
3357                    id, name);
3358
3359         cred = wpa_config_get_cred(wpa_s->conf, id);
3360         if (cred == NULL) {
3361                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3362                            id);
3363                 return -1;
3364         }
3365
3366         value = wpa_config_get_cred_no_key(cred, name);
3367         if (value == NULL) {
3368                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
3369                            name);
3370                 return -1;
3371         }
3372
3373         res = os_strlcpy(buf, value, buflen);
3374         if (res >= buflen) {
3375                 os_free(value);
3376                 return -1;
3377         }
3378
3379         os_free(value);
3380
3381         return res;
3382 }
3383
3384
3385 #ifndef CONFIG_NO_CONFIG_WRITE
3386 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3387 {
3388         int ret;
3389
3390         if (!wpa_s->conf->update_config) {
3391                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3392                            "to update configuration (update_config=0)");
3393                 return -1;
3394         }
3395
3396         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3397         if (ret) {
3398                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3399                            "update configuration");
3400         } else {
3401                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3402                            " updated");
3403         }
3404
3405         return ret;
3406 }
3407 #endif /* CONFIG_NO_CONFIG_WRITE */
3408
3409
3410 struct cipher_info {
3411         unsigned int capa;
3412         const char *name;
3413         int group_only;
3414 };
3415
3416 static const struct cipher_info ciphers[] = {
3417         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3418         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3419         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3420         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3421         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3422         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3423         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3424         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3425 };
3426
3427 static const struct cipher_info ciphers_group_mgmt[] = {
3428         { WPA_DRIVER_CAPA_ENC_BIP, "AES-128-CMAC", 1 },
3429         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_128, "BIP-GMAC-128", 1 },
3430         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_256, "BIP-GMAC-256", 1 },
3431         { WPA_DRIVER_CAPA_ENC_BIP_CMAC_256, "BIP-CMAC-256", 1 },
3432 };
3433
3434
3435 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3436                                               struct wpa_driver_capa *capa,
3437                                               char *buf, size_t buflen)
3438 {
3439         int ret;
3440         char *pos, *end;
3441         size_t len;
3442         unsigned int i;
3443
3444         pos = buf;
3445         end = pos + buflen;
3446
3447         if (res < 0) {
3448                 if (strict)
3449                         return 0;
3450                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3451                 if (len >= buflen)
3452                         return -1;
3453                 return len;
3454         }
3455
3456         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3457                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3458                         ret = os_snprintf(pos, end - pos, "%s%s",
3459                                           pos == buf ? "" : " ",
3460                                           ciphers[i].name);
3461                         if (os_snprintf_error(end - pos, ret))
3462                                 return pos - buf;
3463                         pos += ret;
3464                 }
3465         }
3466
3467         return pos - buf;
3468 }
3469
3470
3471 static int ctrl_iface_get_capability_group(int res, char *strict,
3472                                            struct wpa_driver_capa *capa,
3473                                            char *buf, size_t buflen)
3474 {
3475         int ret;
3476         char *pos, *end;
3477         size_t len;
3478         unsigned int i;
3479
3480         pos = buf;
3481         end = pos + buflen;
3482
3483         if (res < 0) {
3484                 if (strict)
3485                         return 0;
3486                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3487                 if (len >= buflen)
3488                         return -1;
3489                 return len;
3490         }
3491
3492         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3493                 if (capa->enc & ciphers[i].capa) {
3494                         ret = os_snprintf(pos, end - pos, "%s%s",
3495                                           pos == buf ? "" : " ",
3496                                           ciphers[i].name);
3497                         if (os_snprintf_error(end - pos, ret))
3498                                 return pos - buf;
3499                         pos += ret;
3500                 }
3501         }
3502
3503         return pos - buf;
3504 }
3505
3506
3507 static int ctrl_iface_get_capability_group_mgmt(int res, char *strict,
3508                                                 struct wpa_driver_capa *capa,
3509                                                 char *buf, size_t buflen)
3510 {
3511         int ret;
3512         char *pos, *end;
3513         unsigned int i;
3514
3515         pos = buf;
3516         end = pos + buflen;
3517
3518         if (res < 0)
3519                 return 0;
3520
3521         for (i = 0; i < ARRAY_SIZE(ciphers_group_mgmt); i++) {
3522                 if (capa->enc & ciphers_group_mgmt[i].capa) {
3523                         ret = os_snprintf(pos, end - pos, "%s%s",
3524                                           pos == buf ? "" : " ",
3525                                           ciphers_group_mgmt[i].name);
3526                         if (os_snprintf_error(end - pos, ret))
3527                                 return pos - buf;
3528                         pos += ret;
3529                 }
3530         }
3531
3532         return pos - buf;
3533 }
3534
3535
3536 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3537                                               struct wpa_driver_capa *capa,
3538                                               char *buf, size_t buflen)
3539 {
3540         int ret;
3541         char *pos, *end;
3542         size_t len;
3543
3544         pos = buf;
3545         end = pos + buflen;
3546
3547         if (res < 0) {
3548                 if (strict)
3549                         return 0;
3550                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3551                                  "NONE", buflen);
3552                 if (len >= buflen)
3553                         return -1;
3554                 return len;
3555         }
3556
3557         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3558         if (os_snprintf_error(end - pos, ret))
3559                 return pos - buf;
3560         pos += ret;
3561
3562         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3563                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3564                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3565                 if (os_snprintf_error(end - pos, ret))
3566                         return pos - buf;
3567                 pos += ret;
3568         }
3569
3570         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3571                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3572                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3573                 if (os_snprintf_error(end - pos, ret))
3574                         return pos - buf;
3575                 pos += ret;
3576         }
3577
3578         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3579                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3580                 if (os_snprintf_error(end - pos, ret))
3581                         return pos - buf;
3582                 pos += ret;
3583         }
3584
3585 #ifdef CONFIG_SUITEB
3586         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B) {
3587                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B");
3588                 if (os_snprintf_error(end - pos, ret))
3589                         return pos - buf;
3590                 pos += ret;
3591         }
3592 #endif /* CONFIG_SUITEB */
3593 #ifdef CONFIG_SUITEB192
3594         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192) {
3595                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B-192");
3596                 if (os_snprintf_error(end - pos, ret))
3597                         return pos - buf;
3598                 pos += ret;
3599         }
3600 #endif /* CONFIG_SUITEB192 */
3601
3602         return pos - buf;
3603 }
3604
3605
3606 static int ctrl_iface_get_capability_proto(int res, char *strict,
3607                                            struct wpa_driver_capa *capa,
3608                                            char *buf, size_t buflen)
3609 {
3610         int ret;
3611         char *pos, *end;
3612         size_t len;
3613
3614         pos = buf;
3615         end = pos + buflen;
3616
3617         if (res < 0) {
3618                 if (strict)
3619                         return 0;
3620                 len = os_strlcpy(buf, "RSN WPA", buflen);
3621                 if (len >= buflen)
3622                         return -1;
3623                 return len;
3624         }
3625
3626         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3627                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3628                 ret = os_snprintf(pos, end - pos, "%sRSN",
3629                                   pos == buf ? "" : " ");
3630                 if (os_snprintf_error(end - pos, ret))
3631                         return pos - buf;
3632                 pos += ret;
3633         }
3634
3635         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3636                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3637                 ret = os_snprintf(pos, end - pos, "%sWPA",
3638                                   pos == buf ? "" : " ");
3639                 if (os_snprintf_error(end - pos, ret))
3640                         return pos - buf;
3641                 pos += ret;
3642         }
3643
3644         return pos - buf;
3645 }
3646
3647
3648 static int ctrl_iface_get_capability_auth_alg(struct wpa_supplicant *wpa_s,
3649                                               int res, char *strict,
3650                                               struct wpa_driver_capa *capa,
3651                                               char *buf, size_t buflen)
3652 {
3653         int ret;
3654         char *pos, *end;
3655         size_t len;
3656
3657         pos = buf;
3658         end = pos + buflen;
3659
3660         if (res < 0) {
3661                 if (strict)
3662                         return 0;
3663                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3664                 if (len >= buflen)
3665                         return -1;
3666                 return len;
3667         }
3668
3669         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3670                 ret = os_snprintf(pos, end - pos, "%sOPEN",
3671                                   pos == buf ? "" : " ");
3672                 if (os_snprintf_error(end - pos, ret))
3673                         return pos - buf;
3674                 pos += ret;
3675         }
3676
3677         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3678                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3679                                   pos == buf ? "" : " ");
3680                 if (os_snprintf_error(end - pos, ret))
3681                         return pos - buf;
3682                 pos += ret;
3683         }
3684
3685         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3686                 ret = os_snprintf(pos, end - pos, "%sLEAP",
3687                                   pos == buf ? "" : " ");
3688                 if (os_snprintf_error(end - pos, ret))
3689                         return pos - buf;
3690                 pos += ret;
3691         }
3692
3693 #ifdef CONFIG_SAE
3694         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE) {
3695                 ret = os_snprintf(pos, end - pos, "%sSAE",
3696                                   pos == buf ? "" : " ");
3697                 if (os_snprintf_error(end - pos, ret))
3698                         return pos - buf;
3699                 pos += ret;
3700         }
3701 #endif /* CONFIG_SAE */
3702
3703         return pos - buf;
3704 }
3705
3706
3707 static int ctrl_iface_get_capability_modes(int res, char *strict,
3708                                            struct wpa_driver_capa *capa,
3709                                            char *buf, size_t buflen)
3710 {
3711         int ret;
3712         char *pos, *end;
3713         size_t len;
3714
3715         pos = buf;
3716         end = pos + buflen;
3717
3718         if (res < 0) {
3719                 if (strict)
3720                         return 0;
3721                 len = os_strlcpy(buf, "IBSS AP", buflen);
3722                 if (len >= buflen)
3723                         return -1;
3724                 return len;
3725         }
3726
3727         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3728                 ret = os_snprintf(pos, end - pos, "%sIBSS",
3729                                   pos == buf ? "" : " ");
3730                 if (os_snprintf_error(end - pos, ret))
3731                         return pos - buf;
3732                 pos += ret;
3733         }
3734
3735         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3736                 ret = os_snprintf(pos, end - pos, "%sAP",
3737                                   pos == buf ? "" : " ");
3738                 if (os_snprintf_error(end - pos, ret))
3739                         return pos - buf;
3740                 pos += ret;
3741         }
3742
3743 #ifdef CONFIG_MESH
3744         if (capa->flags & WPA_DRIVER_FLAGS_MESH) {
3745                 ret = os_snprintf(pos, end - pos, "%sMESH",
3746                                   pos == buf ? "" : " ");
3747                 if (os_snprintf_error(end - pos, ret))
3748                         return pos - buf;
3749                 pos += ret;
3750         }
3751 #endif /* CONFIG_MESH */
3752
3753         return pos - buf;
3754 }
3755
3756
3757 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3758                                               char *buf, size_t buflen)
3759 {
3760         struct hostapd_channel_data *chnl;
3761         int ret, i, j;
3762         char *pos, *end, *hmode;
3763
3764         pos = buf;
3765         end = pos + buflen;
3766
3767         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3768                 switch (wpa_s->hw.modes[j].mode) {
3769                 case HOSTAPD_MODE_IEEE80211B:
3770                         hmode = "B";
3771                         break;
3772                 case HOSTAPD_MODE_IEEE80211G:
3773                         hmode = "G";
3774                         break;
3775                 case HOSTAPD_MODE_IEEE80211A:
3776                         hmode = "A";
3777                         break;
3778                 case HOSTAPD_MODE_IEEE80211AD:
3779                         hmode = "AD";
3780                         break;
3781                 default:
3782                         continue;
3783                 }
3784                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3785                 if (os_snprintf_error(end - pos, ret))
3786                         return pos - buf;
3787                 pos += ret;
3788                 chnl = wpa_s->hw.modes[j].channels;
3789                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3790                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3791                                 continue;
3792                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3793                         if (os_snprintf_error(end - pos, ret))
3794                                 return pos - buf;
3795                         pos += ret;
3796                 }
3797                 ret = os_snprintf(pos, end - pos, "\n");
3798                 if (os_snprintf_error(end - pos, ret))
3799                         return pos - buf;
3800                 pos += ret;
3801         }
3802
3803         return pos - buf;
3804 }
3805
3806
3807 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3808                                           char *buf, size_t buflen)
3809 {
3810         struct hostapd_channel_data *chnl;
3811         int ret, i, j;
3812         char *pos, *end, *hmode;
3813
3814         pos = buf;
3815         end = pos + buflen;
3816
3817         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3818                 switch (wpa_s->hw.modes[j].mode) {
3819                 case HOSTAPD_MODE_IEEE80211B:
3820                         hmode = "B";
3821                         break;
3822                 case HOSTAPD_MODE_IEEE80211G:
3823                         hmode = "G";
3824                         break;
3825                 case HOSTAPD_MODE_IEEE80211A:
3826                         hmode = "A";
3827                         break;
3828                 case HOSTAPD_MODE_IEEE80211AD:
3829                         hmode = "AD";
3830                         break;
3831                 default:
3832                         continue;
3833                 }
3834                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3835                                   hmode);
3836                 if (os_snprintf_error(end - pos, ret))
3837                         return pos - buf;
3838                 pos += ret;
3839                 chnl = wpa_s->hw.modes[j].channels;
3840                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3841                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3842                                 continue;
3843                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3844                                           chnl[i].chan, chnl[i].freq,
3845                                           chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
3846                                           " (NO_IR)" : "",
3847                                           chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3848                                           " (DFS)" : "");
3849
3850                         if (os_snprintf_error(end - pos, ret))
3851                                 return pos - buf;
3852                         pos += ret;
3853                 }
3854                 ret = os_snprintf(pos, end - pos, "\n");
3855                 if (os_snprintf_error(end - pos, ret))
3856                         return pos - buf;
3857                 pos += ret;
3858         }
3859
3860         return pos - buf;
3861 }
3862
3863
3864 static int wpa_supplicant_ctrl_iface_get_capability(
3865         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3866         size_t buflen)
3867 {
3868         struct wpa_driver_capa capa;
3869         int res;
3870         char *strict;
3871         char field[30];
3872         size_t len;
3873
3874         /* Determine whether or not strict checking was requested */
3875         len = os_strlcpy(field, _field, sizeof(field));
3876         if (len >= sizeof(field))
3877                 return -1;
3878         strict = os_strchr(field, ' ');
3879         if (strict != NULL) {
3880                 *strict++ = '\0';
3881                 if (os_strcmp(strict, "strict") != 0)
3882                         return -1;
3883         }
3884
3885         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3886                 field, strict ? strict : "");
3887
3888         if (os_strcmp(field, "eap") == 0) {
3889                 return eap_get_names(buf, buflen);
3890         }
3891
3892         res = wpa_drv_get_capa(wpa_s, &capa);
3893
3894         if (os_strcmp(field, "pairwise") == 0)
3895                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3896                                                           buf, buflen);
3897
3898         if (os_strcmp(field, "group") == 0)
3899                 return ctrl_iface_get_capability_group(res, strict, &capa,
3900                                                        buf, buflen);
3901
3902         if (os_strcmp(field, "group_mgmt") == 0)
3903                 return ctrl_iface_get_capability_group_mgmt(res, strict, &capa,
3904                                                             buf, buflen);
3905
3906         if (os_strcmp(field, "key_mgmt") == 0)
3907                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3908                                                           buf, buflen);
3909
3910         if (os_strcmp(field, "proto") == 0)
3911                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3912                                                        buf, buflen);
3913
3914         if (os_strcmp(field, "auth_alg") == 0)
3915                 return ctrl_iface_get_capability_auth_alg(wpa_s, res, strict,
3916                                                           &capa, buf, buflen);
3917
3918         if (os_strcmp(field, "modes") == 0)
3919                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3920                                                        buf, buflen);
3921
3922         if (os_strcmp(field, "channels") == 0)
3923                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3924
3925         if (os_strcmp(field, "freq") == 0)
3926                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3927
3928 #ifdef CONFIG_TDLS
3929         if (os_strcmp(field, "tdls") == 0)
3930                 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3931 #endif /* CONFIG_TDLS */
3932
3933 #ifdef CONFIG_ERP
3934         if (os_strcmp(field, "erp") == 0) {
3935                 res = os_snprintf(buf, buflen, "ERP");
3936                 if (os_snprintf_error(buflen, res))
3937                         return -1;
3938                 return res;
3939         }
3940 #endif /* CONFIG_EPR */
3941
3942         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3943                    field);
3944
3945         return -1;
3946 }
3947
3948
3949 #ifdef CONFIG_INTERWORKING
3950 static char * anqp_add_hex(char *pos, char *end, const char *title,
3951                            struct wpabuf *data)
3952 {
3953         char *start = pos;
3954         size_t i;
3955         int ret;
3956         const u8 *d;
3957
3958         if (data == NULL)
3959                 return start;
3960
3961         ret = os_snprintf(pos, end - pos, "%s=", title);
3962         if (os_snprintf_error(end - pos, ret))
3963                 return start;
3964         pos += ret;
3965
3966         d = wpabuf_head_u8(data);
3967         for (i = 0; i < wpabuf_len(data); i++) {
3968                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3969                 if (os_snprintf_error(end - pos, ret))
3970                         return start;
3971                 pos += ret;
3972         }
3973
3974         ret = os_snprintf(pos, end - pos, "\n");
3975         if (os_snprintf_error(end - pos, ret))
3976                 return start;
3977         pos += ret;
3978
3979         return pos;
3980 }
3981 #endif /* CONFIG_INTERWORKING */
3982
3983
3984 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3985                           unsigned long mask, char *buf, size_t buflen)
3986 {
3987         size_t i;
3988         int ret;
3989         char *pos, *end;
3990         const u8 *ie, *ie2, *osen_ie;
3991
3992         pos = buf;
3993         end = buf + buflen;
3994
3995         if (mask & WPA_BSS_MASK_ID) {
3996                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3997                 if (os_snprintf_error(end - pos, ret))
3998                         return 0;
3999                 pos += ret;
4000         }
4001
4002         if (mask & WPA_BSS_MASK_BSSID) {
4003                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
4004                                   MAC2STR(bss->bssid));
4005                 if (os_snprintf_error(end - pos, ret))
4006                         return 0;
4007                 pos += ret;
4008         }
4009
4010         if (mask & WPA_BSS_MASK_FREQ) {
4011                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
4012                 if (os_snprintf_error(end - pos, ret))
4013                         return 0;
4014                 pos += ret;
4015         }
4016
4017         if (mask & WPA_BSS_MASK_BEACON_INT) {
4018                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
4019                                   bss->beacon_int);
4020                 if (os_snprintf_error(end - pos, ret))
4021                         return 0;
4022                 pos += ret;
4023         }
4024
4025         if (mask & WPA_BSS_MASK_CAPABILITIES) {
4026                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
4027                                   bss->caps);
4028                 if (os_snprintf_error(end - pos, ret))
4029                         return 0;
4030                 pos += ret;
4031         }
4032
4033         if (mask & WPA_BSS_MASK_QUAL) {
4034                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
4035                 if (os_snprintf_error(end - pos, ret))
4036                         return 0;
4037                 pos += ret;
4038         }
4039
4040         if (mask & WPA_BSS_MASK_NOISE) {
4041                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
4042                 if (os_snprintf_error(end - pos, ret))
4043                         return 0;
4044                 pos += ret;
4045         }
4046
4047         if (mask & WPA_BSS_MASK_LEVEL) {
4048                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
4049                 if (os_snprintf_error(end - pos, ret))
4050                         return 0;
4051                 pos += ret;
4052         }
4053
4054         if (mask & WPA_BSS_MASK_TSF) {
4055                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
4056                                   (unsigned long long) bss->tsf);
4057                 if (os_snprintf_error(end - pos, ret))
4058                         return 0;
4059                 pos += ret;
4060         }
4061
4062         if (mask & WPA_BSS_MASK_AGE) {
4063                 struct os_reltime now;
4064
4065                 os_get_reltime(&now);
4066                 ret = os_snprintf(pos, end - pos, "age=%d\n",
4067                                   (int) (now.sec - bss->last_update.sec));
4068                 if (os_snprintf_error(end - pos, ret))
4069                         return 0;
4070                 pos += ret;
4071         }
4072
4073         if (mask & WPA_BSS_MASK_IE) {
4074                 ret = os_snprintf(pos, end - pos, "ie=");
4075                 if (os_snprintf_error(end - pos, ret))
4076                         return 0;
4077                 pos += ret;
4078
4079                 ie = (const u8 *) (bss + 1);
4080                 for (i = 0; i < bss->ie_len; i++) {
4081                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4082                         if (os_snprintf_error(end - pos, ret))
4083                                 return 0;
4084                         pos += ret;
4085                 }
4086
4087                 ret = os_snprintf(pos, end - pos, "\n");
4088                 if (os_snprintf_error(end - pos, ret))
4089                         return 0;
4090                 pos += ret;
4091         }
4092
4093         if (mask & WPA_BSS_MASK_FLAGS) {
4094                 ret = os_snprintf(pos, end - pos, "flags=");
4095                 if (os_snprintf_error(end - pos, ret))
4096                         return 0;
4097                 pos += ret;
4098
4099                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
4100                 if (ie)
4101                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
4102                                                     2 + ie[1]);
4103                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4104                 if (ie2)
4105                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
4106                                                     2 + ie2[1]);
4107                 osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
4108                 if (osen_ie)
4109                         pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
4110                                                     osen_ie, 2 + osen_ie[1]);
4111                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
4112                 if (!ie && !ie2 && !osen_ie &&
4113                     (bss->caps & IEEE80211_CAP_PRIVACY)) {
4114                         ret = os_snprintf(pos, end - pos, "[WEP]");
4115                         if (os_snprintf_error(end - pos, ret))
4116                                 return 0;
4117                         pos += ret;
4118                 }
4119                 if (bss_is_dmg(bss)) {
4120                         const char *s;
4121                         ret = os_snprintf(pos, end - pos, "[DMG]");
4122                         if (os_snprintf_error(end - pos, ret))
4123                                 return 0;
4124                         pos += ret;
4125                         switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
4126                         case IEEE80211_CAP_DMG_IBSS:
4127                                 s = "[IBSS]";
4128                                 break;
4129                         case IEEE80211_CAP_DMG_AP:
4130                                 s = "[ESS]";
4131                                 break;
4132                         case IEEE80211_CAP_DMG_PBSS:
4133                                 s = "[PBSS]";
4134                                 break;
4135                         default:
4136                                 s = "";
4137                                 break;
4138                         }
4139                         ret = os_snprintf(pos, end - pos, "%s", s);
4140                         if (os_snprintf_error(end - pos, ret))
4141                                 return 0;
4142                         pos += ret;
4143                 } else {
4144                         if (bss->caps & IEEE80211_CAP_IBSS) {
4145                                 ret = os_snprintf(pos, end - pos, "[IBSS]");
4146                                 if (os_snprintf_error(end - pos, ret))
4147                                         return 0;
4148                                 pos += ret;
4149                         }
4150                         if (bss->caps & IEEE80211_CAP_ESS) {
4151                                 ret = os_snprintf(pos, end - pos, "[ESS]");
4152                                 if (os_snprintf_error(end - pos, ret))
4153                                         return 0;
4154                                 pos += ret;
4155                         }
4156                 }
4157                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
4158                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
4159                         ret = os_snprintf(pos, end - pos, "[P2P]");
4160                         if (os_snprintf_error(end - pos, ret))
4161                                 return 0;
4162                         pos += ret;
4163                 }
4164 #ifdef CONFIG_HS20
4165                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
4166                         ret = os_snprintf(pos, end - pos, "[HS20]");
4167                         if (os_snprintf_error(end - pos, ret))
4168                                 return 0;
4169                         pos += ret;
4170                 }
4171 #endif /* CONFIG_HS20 */
4172
4173                 ret = os_snprintf(pos, end - pos, "\n");
4174                 if (os_snprintf_error(end - pos, ret))
4175                         return 0;
4176                 pos += ret;
4177         }
4178
4179         if (mask & WPA_BSS_MASK_SSID) {
4180                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
4181                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
4182                 if (os_snprintf_error(end - pos, ret))
4183                         return 0;
4184                 pos += ret;
4185         }
4186
4187 #ifdef CONFIG_WPS
4188         if (mask & WPA_BSS_MASK_WPS_SCAN) {
4189                 ie = (const u8 *) (bss + 1);
4190                 ret = wpas_wps_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_WPS */
4196
4197 #ifdef CONFIG_P2P
4198         if (mask & WPA_BSS_MASK_P2P_SCAN) {
4199                 ie = (const u8 *) (bss + 1);
4200                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
4201                 if (ret < 0 || ret >= end - pos)
4202                         return 0;
4203                 pos += ret;
4204         }
4205 #endif /* CONFIG_P2P */
4206
4207 #ifdef CONFIG_WIFI_DISPLAY
4208         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
4209                 struct wpabuf *wfd;
4210                 ie = (const u8 *) (bss + 1);
4211                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
4212                                                   WFD_IE_VENDOR_TYPE);
4213                 if (wfd) {
4214                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
4215                         if (os_snprintf_error(end - pos, ret)) {
4216                                 wpabuf_free(wfd);
4217                                 return 0;
4218                         }
4219                         pos += ret;
4220
4221                         pos += wpa_snprintf_hex(pos, end - pos,
4222                                                 wpabuf_head(wfd),
4223                                                 wpabuf_len(wfd));
4224                         wpabuf_free(wfd);
4225
4226                         ret = os_snprintf(pos, end - pos, "\n");
4227                         if (os_snprintf_error(end - pos, ret))
4228                                 return 0;
4229                         pos += ret;
4230                 }
4231         }
4232 #endif /* CONFIG_WIFI_DISPLAY */
4233
4234 #ifdef CONFIG_INTERWORKING
4235         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
4236                 struct wpa_bss_anqp *anqp = bss->anqp;
4237                 pos = anqp_add_hex(pos, end, "anqp_capability_list",
4238                                    anqp->capability_list);
4239                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
4240                                    anqp->venue_name);
4241                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4242                                    anqp->network_auth_type);
4243                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4244                                    anqp->roaming_consortium);
4245                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4246                                    anqp->ip_addr_type_availability);
4247                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4248                                    anqp->nai_realm);
4249                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4250                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
4251                                    anqp->domain_name);
4252 #ifdef CONFIG_HS20
4253                 pos = anqp_add_hex(pos, end, "hs20_capability_list",
4254                                    anqp->hs20_capability_list);
4255                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4256                                    anqp->hs20_operator_friendly_name);
4257                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4258                                    anqp->hs20_wan_metrics);
4259                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4260                                    anqp->hs20_connection_capability);
4261                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
4262                                    anqp->hs20_operating_class);
4263                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4264                                    anqp->hs20_osu_providers_list);
4265 #endif /* CONFIG_HS20 */
4266         }
4267 #endif /* CONFIG_INTERWORKING */
4268
4269 #ifdef CONFIG_MESH
4270         if (mask & WPA_BSS_MASK_MESH_SCAN) {
4271                 ie = (const u8 *) (bss + 1);
4272                 ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4273                 if (ret < 0 || ret >= end - pos)
4274                         return 0;
4275                 pos += ret;
4276         }
4277 #endif /* CONFIG_MESH */
4278
4279         if (mask & WPA_BSS_MASK_SNR) {
4280                 ret = os_snprintf(pos, end - pos, "snr=%d\n", bss->snr);
4281                 if (os_snprintf_error(end - pos, ret))
4282                         return 0;
4283                 pos += ret;
4284         }
4285
4286         if (mask & WPA_BSS_MASK_EST_THROUGHPUT) {
4287                 ret = os_snprintf(pos, end - pos, "est_throughput=%d\n",
4288                                   bss->est_throughput);
4289                 if (os_snprintf_error(end - pos, ret))
4290                         return 0;
4291                 pos += ret;
4292         }
4293
4294         if (mask & WPA_BSS_MASK_DELIM) {
4295                 ret = os_snprintf(pos, end - pos, "====\n");
4296                 if (os_snprintf_error(end - pos, ret))
4297                         return 0;
4298                 pos += ret;
4299         }
4300
4301         return pos - buf;
4302 }
4303
4304
4305 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
4306                                          const char *cmd, char *buf,
4307                                          size_t buflen)
4308 {
4309         u8 bssid[ETH_ALEN];
4310         size_t i;
4311         struct wpa_bss *bss;
4312         struct wpa_bss *bsslast = NULL;
4313         struct dl_list *next;
4314         int ret = 0;
4315         int len;
4316         char *ctmp, *end = buf + buflen;
4317         unsigned long mask = WPA_BSS_MASK_ALL;
4318
4319         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
4320                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
4321                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
4322                                             list_id);
4323                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
4324                                                list_id);
4325                 } else { /* N1-N2 */
4326                         unsigned int id1, id2;
4327
4328                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
4329                                 wpa_printf(MSG_INFO, "Wrong BSS range "
4330                                            "format");
4331                                 return 0;
4332                         }
4333
4334                         if (*(cmd + 6) == '-')
4335                                 id1 = 0;
4336                         else
4337                                 id1 = atoi(cmd + 6);
4338                         ctmp++;
4339                         if (*ctmp >= '0' && *ctmp <= '9')
4340                                 id2 = atoi(ctmp);
4341                         else
4342                                 id2 = (unsigned int) -1;
4343                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4344                         if (id2 == (unsigned int) -1)
4345                                 bsslast = dl_list_last(&wpa_s->bss_id,
4346                                                        struct wpa_bss,
4347                                                        list_id);
4348                         else {
4349                                 bsslast = wpa_bss_get_id(wpa_s, id2);
4350                                 if (bsslast == NULL && bss && id2 > id1) {
4351                                         struct wpa_bss *tmp = bss;
4352                                         for (;;) {
4353                                                 next = tmp->list_id.next;
4354                                                 if (next == &wpa_s->bss_id)
4355                                                         break;
4356                                                 tmp = dl_list_entry(
4357                                                         next, struct wpa_bss,
4358                                                         list_id);
4359                                                 if (tmp->id > id2)
4360                                                         break;
4361                                                 bsslast = tmp;
4362                                         }
4363                                 }
4364                         }
4365                 }
4366         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
4367                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4368         else if (os_strncmp(cmd, "LAST", 4) == 0)
4369                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4370         else if (os_strncmp(cmd, "ID-", 3) == 0) {
4371                 i = atoi(cmd + 3);
4372                 bss = wpa_bss_get_id(wpa_s, i);
4373         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4374                 i = atoi(cmd + 5);
4375                 bss = wpa_bss_get_id(wpa_s, i);
4376                 if (bss) {
4377                         next = bss->list_id.next;
4378                         if (next == &wpa_s->bss_id)
4379                                 bss = NULL;
4380                         else
4381                                 bss = dl_list_entry(next, struct wpa_bss,
4382                                                     list_id);
4383                 }
4384 #ifdef CONFIG_P2P
4385         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4386                 if (hwaddr_aton(cmd + 13, bssid) == 0)
4387                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4388                 else
4389                         bss = NULL;
4390 #endif /* CONFIG_P2P */
4391         } else if (hwaddr_aton(cmd, bssid) == 0)
4392                 bss = wpa_bss_get_bssid(wpa_s, bssid);
4393         else {
4394                 struct wpa_bss *tmp;
4395                 i = atoi(cmd);
4396                 bss = NULL;
4397                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4398                 {
4399                         if (i-- == 0) {
4400                                 bss = tmp;
4401                                 break;
4402                         }
4403                 }
4404         }
4405
4406         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4407                 mask = strtoul(ctmp + 5, NULL, 0x10);
4408                 if (mask == 0)
4409                         mask = WPA_BSS_MASK_ALL;
4410         }
4411
4412         if (bss == NULL)
4413                 return 0;
4414
4415         if (bsslast == NULL)
4416                 bsslast = bss;
4417         do {
4418                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4419                 ret += len;
4420                 buf += len;
4421                 buflen -= len;
4422                 if (bss == bsslast) {
4423                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
4424                             (bss == dl_list_last(&wpa_s->bss_id,
4425                                                  struct wpa_bss, list_id))) {
4426                                 int res;
4427
4428                                 res = os_snprintf(buf - 5, end - buf + 5,
4429                                                   "####\n");
4430                                 if (os_snprintf_error(end - buf + 5, res)) {
4431                                         wpa_printf(MSG_DEBUG,
4432                                                    "Could not add end delim");
4433                                 }
4434                         }
4435                         break;
4436                 }
4437                 next = bss->list_id.next;
4438                 if (next == &wpa_s->bss_id)
4439                         break;
4440                 bss = dl_list_entry(next, struct wpa_bss, list_id);
4441         } while (bss && len);
4442
4443         return ret;
4444 }
4445
4446
4447 static int wpa_supplicant_ctrl_iface_ap_scan(
4448         struct wpa_supplicant *wpa_s, char *cmd)
4449 {
4450         int ap_scan = atoi(cmd);
4451         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4452 }
4453
4454
4455 static int wpa_supplicant_ctrl_iface_scan_interval(
4456         struct wpa_supplicant *wpa_s, char *cmd)
4457 {
4458         int scan_int = atoi(cmd);
4459         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4460 }
4461
4462
4463 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4464         struct wpa_supplicant *wpa_s, char *cmd)
4465 {
4466         int expire_age = atoi(cmd);
4467         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4468 }
4469
4470
4471 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4472         struct wpa_supplicant *wpa_s, char *cmd)
4473 {
4474         int expire_count = atoi(cmd);
4475         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4476 }
4477
4478
4479 static void wpa_supplicant_ctrl_iface_bss_flush(
4480         struct wpa_supplicant *wpa_s, char *cmd)
4481 {
4482         int flush_age = atoi(cmd);
4483
4484         if (flush_age == 0)
4485                 wpa_bss_flush(wpa_s);
4486         else
4487                 wpa_bss_flush_by_age(wpa_s, flush_age);
4488 }
4489
4490
4491 #ifdef CONFIG_TESTING_OPTIONS
4492 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4493 {
4494         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4495         /* MLME-DELETEKEYS.request */
4496         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4497         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4498         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4499         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4500 #ifdef CONFIG_IEEE80211W
4501         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4502         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4503 #endif /* CONFIG_IEEE80211W */
4504
4505         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4506                         0);
4507         /* MLME-SETPROTECTION.request(None) */
4508         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4509                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4510                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4511         wpa_sm_drop_sa(wpa_s->wpa);
4512 }
4513 #endif /* CONFIG_TESTING_OPTIONS */
4514
4515
4516 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4517                                           char *addr)
4518 {
4519 #ifdef CONFIG_NO_SCAN_PROCESSING
4520         return -1;
4521 #else /* CONFIG_NO_SCAN_PROCESSING */
4522         u8 bssid[ETH_ALEN];
4523         struct wpa_bss *bss;
4524         struct wpa_ssid *ssid = wpa_s->current_ssid;
4525
4526         if (hwaddr_aton(addr, bssid)) {
4527                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4528                            "address '%s'", addr);
4529                 return -1;
4530         }
4531
4532         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4533
4534         if (!ssid) {
4535                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4536                            "configuration known for the target AP");
4537                 return -1;
4538         }
4539
4540         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4541         if (!bss) {
4542                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4543                            "from BSS table");
4544                 return -1;
4545         }
4546
4547         /*
4548          * TODO: Find best network configuration block from configuration to
4549          * allow roaming to other networks
4550          */
4551
4552         wpa_s->reassociate = 1;
4553         wpa_supplicant_connect(wpa_s, bss, ssid);
4554
4555         return 0;
4556 #endif /* CONFIG_NO_SCAN_PROCESSING */
4557 }
4558
4559
4560 #ifdef CONFIG_P2P
4561 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4562 {
4563         unsigned int timeout = atoi(cmd);
4564         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4565         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4566         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4567         char *pos;
4568         unsigned int search_delay;
4569         const char *_seek[P2P_MAX_QUERY_HASH + 1], **seek = NULL;
4570         u8 seek_count = 0;
4571         int freq = 0;
4572
4573         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4574                 wpa_dbg(wpa_s, MSG_INFO,
4575                         "Reject P2P_FIND since interface is disabled");
4576                 return -1;
4577         }
4578         if (os_strstr(cmd, "type=social"))
4579                 type = P2P_FIND_ONLY_SOCIAL;
4580         else if (os_strstr(cmd, "type=progressive"))
4581                 type = P2P_FIND_PROGRESSIVE;
4582
4583         pos = os_strstr(cmd, "dev_id=");
4584         if (pos) {
4585                 pos += 7;
4586                 if (hwaddr_aton(pos, dev_id))
4587                         return -1;
4588                 _dev_id = dev_id;
4589         }
4590
4591         pos = os_strstr(cmd, "dev_type=");
4592         if (pos) {
4593                 pos += 9;
4594                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4595                         return -1;
4596                 _dev_type = dev_type;
4597         }
4598
4599         pos = os_strstr(cmd, "delay=");
4600         if (pos) {
4601                 pos += 6;
4602                 search_delay = atoi(pos);
4603         } else
4604                 search_delay = wpas_p2p_search_delay(wpa_s);
4605
4606         pos = os_strstr(cmd, "freq=");
4607         if (pos) {
4608                 pos += 5;
4609                 freq = atoi(pos);
4610                 if (freq <= 0)
4611                         return -1;
4612         }
4613
4614         /* Must be searched for last, because it adds nul termination */
4615         pos = os_strstr(cmd, " seek=");
4616         if (pos)
4617                 pos += 6;
4618         while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
4619                 char *term;
4620
4621                 _seek[seek_count++] = pos;
4622                 seek = _seek;
4623                 term = os_strchr(pos, ' ');
4624                 if (!term)
4625                         break;
4626                 *term = '\0';
4627                 pos = os_strstr(term + 1, "seek=");
4628                 if (pos)
4629                         pos += 5;
4630         }
4631         if (seek_count > P2P_MAX_QUERY_HASH) {
4632                 seek[0] = NULL;
4633                 seek_count = 1;
4634         }
4635
4636         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4637                              _dev_id, search_delay, seek_count, seek, freq);
4638 }
4639
4640
4641 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
4642 {
4643         struct p2ps_provision *p2ps_prov;
4644         char *pos;
4645         size_t info_len = 0;
4646         char *info = NULL;
4647         u8 role = P2PS_SETUP_NONE;
4648         long long unsigned val;
4649
4650         pos = os_strstr(cmd, "info=");
4651         if (pos) {
4652                 pos += 5;
4653                 info_len = os_strlen(pos);
4654
4655                 if (info_len) {
4656                         info = os_malloc(info_len + 1);
4657                         if (info) {
4658                                 info_len = utf8_unescape(pos, info_len,
4659                                                          info, info_len + 1);
4660                         } else
4661                                 info_len = 0;
4662                 }
4663         }
4664
4665         p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
4666         if (p2ps_prov == NULL) {
4667                 os_free(info);
4668                 return NULL;
4669         }
4670
4671         if (info) {
4672                 os_memcpy(p2ps_prov->info, info, info_len);
4673                 p2ps_prov->info[info_len] = '\0';
4674                 os_free(info);
4675         }
4676
4677         pos = os_strstr(cmd, "status=");
4678         if (pos)
4679                 p2ps_prov->status = atoi(pos + 7);
4680         else
4681                 p2ps_prov->status = -1;
4682
4683         pos = os_strstr(cmd, "adv_id=");
4684         if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
4685                 goto invalid_args;
4686         p2ps_prov->adv_id = val;
4687
4688         pos = os_strstr(cmd, "method=");
4689         if (pos)
4690                 p2ps_prov->method = strtol(pos + 7, NULL, 16);
4691         else
4692                 p2ps_prov->method = 0;
4693
4694         pos = os_strstr(cmd, "session=");
4695         if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
4696                 goto invalid_args;
4697         p2ps_prov->session_id = val;
4698
4699         pos = os_strstr(cmd, "adv_mac=");
4700         if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
4701                 goto invalid_args;
4702
4703         pos = os_strstr(cmd, "session_mac=");
4704         if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
4705                 goto invalid_args;
4706
4707         /* force conncap with tstCap (no sanity checks) */
4708         pos = os_strstr(cmd, "tstCap=");
4709         if (pos) {
4710                 role = strtol(pos + 7, NULL, 16);
4711         } else {
4712                 pos = os_strstr(cmd, "role=");
4713                 if (pos) {
4714                         role = strtol(pos + 5, NULL, 16);
4715                         if (role != P2PS_SETUP_CLIENT &&
4716                             role != P2PS_SETUP_GROUP_OWNER)
4717                                 role = P2PS_SETUP_NONE;
4718                 }
4719         }
4720         p2ps_prov->role = role;
4721
4722         return p2ps_prov;
4723
4724 invalid_args:
4725         os_free(p2ps_prov);
4726         return NULL;
4727 }
4728
4729
4730 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
4731 {
4732         u8 addr[ETH_ALEN];
4733         struct p2ps_provision *p2ps_prov;
4734         char *pos;
4735
4736         /* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
4737
4738         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4739
4740         if (hwaddr_aton(cmd, addr))
4741                 return -1;
4742
4743         pos = cmd + 17;
4744         if (*pos != ' ')
4745                 return -1;
4746
4747         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4748         if (!p2ps_prov)
4749                 return -1;
4750
4751         if (p2ps_prov->status < 0) {
4752                 os_free(p2ps_prov);
4753                 return -1;
4754         }
4755
4756         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4757                                   p2ps_prov);
4758 }
4759
4760
4761 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
4762 {
4763         u8 addr[ETH_ALEN];
4764         struct p2ps_provision *p2ps_prov;
4765         char *pos;
4766
4767         /* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
4768          *        session=<ses_id> mac=<ses_mac> [info=<infodata>]
4769          */
4770
4771         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4772         if (hwaddr_aton(cmd, addr))
4773                 return -1;
4774
4775         pos = cmd + 17;
4776         if (*pos != ' ')
4777                 return -1;
4778
4779         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4780         if (!p2ps_prov)
4781                 return -1;
4782
4783         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4784                                   p2ps_prov);
4785 }
4786
4787
4788 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4789                             char *buf, size_t buflen)
4790 {
4791         u8 addr[ETH_ALEN];
4792         char *pos, *pos2;
4793         char *pin = NULL;
4794         enum p2p_wps_method wps_method;
4795         int new_pin;
4796         int ret;
4797         int persistent_group, persistent_id = -1;
4798         int join;
4799         int auth;
4800         int automatic;
4801         int go_intent = -1;
4802         int freq = 0;
4803         int pd;
4804         int ht40, vht;
4805
4806         if (!wpa_s->global->p2p_init_wpa_s)
4807                 return -1;
4808         if (wpa_s->global->p2p_init_wpa_s != wpa_s) {
4809                 wpa_dbg(wpa_s, MSG_DEBUG, "Direct P2P_CONNECT command to %s",
4810                         wpa_s->global->p2p_init_wpa_s->ifname);
4811                 wpa_s = wpa_s->global->p2p_init_wpa_s;
4812         }
4813
4814         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
4815          * [persistent|persistent=<network id>]
4816          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4817          * [ht40] [vht] [auto] */
4818
4819         if (hwaddr_aton(cmd, addr))
4820                 return -1;
4821
4822         pos = cmd + 17;
4823         if (*pos != ' ')
4824                 return -1;
4825         pos++;
4826
4827         persistent_group = os_strstr(pos, " persistent") != NULL;
4828         pos2 = os_strstr(pos, " persistent=");
4829         if (pos2) {
4830                 struct wpa_ssid *ssid;
4831                 persistent_id = atoi(pos2 + 12);
4832                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4833                 if (ssid == NULL || ssid->disabled != 2 ||
4834                     ssid->mode != WPAS_MODE_P2P_GO) {
4835                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4836                                    "SSID id=%d for persistent P2P group (GO)",
4837                                    persistent_id);
4838                         return -1;
4839                 }
4840         }
4841         join = os_strstr(pos, " join") != NULL;
4842         auth = os_strstr(pos, " auth") != NULL;
4843         automatic = os_strstr(pos, " auto") != NULL;
4844         pd = os_strstr(pos, " provdisc") != NULL;
4845         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4846         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4847                 vht;
4848
4849         pos2 = os_strstr(pos, " go_intent=");
4850         if (pos2) {
4851                 pos2 += 11;
4852                 go_intent = atoi(pos2);
4853                 if (go_intent < 0 || go_intent > 15)
4854                         return -1;
4855         }
4856
4857         pos2 = os_strstr(pos, " freq=");
4858         if (pos2) {
4859                 pos2 += 6;
4860                 freq = atoi(pos2);
4861                 if (freq <= 0)
4862                         return -1;
4863         }
4864
4865         if (os_strncmp(pos, "pin", 3) == 0) {
4866                 /* Request random PIN (to be displayed) and enable the PIN */
4867                 wps_method = WPS_PIN_DISPLAY;
4868         } else if (os_strncmp(pos, "pbc", 3) == 0) {
4869                 wps_method = WPS_PBC;
4870         } else {
4871                 pin = pos;
4872                 pos = os_strchr(pin, ' ');
4873                 wps_method = WPS_PIN_KEYPAD;
4874                 if (pos) {
4875                         *pos++ = '\0';
4876                         if (os_strncmp(pos, "display", 7) == 0)
4877                                 wps_method = WPS_PIN_DISPLAY;
4878                         else if (os_strncmp(pos, "p2ps", 4) == 0)
4879                                 wps_method = WPS_P2PS;
4880                 }
4881                 if (!wps_pin_str_valid(pin)) {
4882                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
4883                         return 17;
4884                 }
4885         }
4886
4887         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
4888                                    persistent_group, automatic, join,
4889                                    auth, go_intent, freq, persistent_id, pd,
4890                                    ht40, vht);
4891         if (new_pin == -2) {
4892                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
4893                 return 25;
4894         }
4895         if (new_pin == -3) {
4896                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
4897                 return 25;
4898         }
4899         if (new_pin < 0)
4900                 return -1;
4901         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
4902                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
4903                 if (os_snprintf_error(buflen, ret))
4904                         return -1;
4905                 return ret;
4906         }
4907
4908         os_memcpy(buf, "OK\n", 3);
4909         return 3;
4910 }
4911
4912
4913 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
4914 {
4915         unsigned int timeout = atoi(cmd);
4916         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4917                 wpa_dbg(wpa_s, MSG_INFO,
4918                         "Reject P2P_LISTEN since interface is disabled");
4919                 return -1;
4920         }
4921         return wpas_p2p_listen(wpa_s, timeout);
4922 }
4923
4924
4925 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
4926 {
4927         u8 addr[ETH_ALEN];
4928         char *pos;
4929         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
4930
4931         /* <addr> <config method> [join|auto] */
4932
4933         if (hwaddr_aton(cmd, addr))
4934                 return -1;
4935
4936         pos = cmd + 17;
4937         if (*pos != ' ')
4938                 return -1;
4939         pos++;
4940
4941         if (os_strstr(pos, " join") != NULL)
4942                 use = WPAS_P2P_PD_FOR_JOIN;
4943         else if (os_strstr(pos, " auto") != NULL)
4944                 use = WPAS_P2P_PD_AUTO;
4945
4946         return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
4947 }
4948
4949
4950 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
4951                               size_t buflen)
4952 {
4953         struct wpa_ssid *ssid = wpa_s->current_ssid;
4954
4955         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
4956             ssid->passphrase == NULL)
4957                 return -1;
4958
4959         os_strlcpy(buf, ssid->passphrase, buflen);
4960         return os_strlen(buf);
4961 }
4962
4963
4964 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
4965                                   char *buf, size_t buflen)
4966 {
4967         u64 ref;
4968         int res;
4969         u8 dst_buf[ETH_ALEN], *dst;
4970         struct wpabuf *tlvs;
4971         char *pos;
4972         size_t len;
4973
4974         if (hwaddr_aton(cmd, dst_buf))
4975                 return -1;
4976         dst = dst_buf;
4977         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
4978             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
4979                 dst = NULL;
4980         pos = cmd + 17;
4981         if (*pos != ' ')
4982                 return -1;
4983         pos++;
4984
4985         if (os_strncmp(pos, "upnp ", 5) == 0) {
4986                 u8 version;
4987                 pos += 5;
4988                 if (hexstr2bin(pos, &version, 1) < 0)
4989                         return -1;
4990                 pos += 2;
4991                 if (*pos != ' ')
4992                         return -1;
4993                 pos++;
4994                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
4995 #ifdef CONFIG_WIFI_DISPLAY
4996         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
4997                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
4998 #endif /* CONFIG_WIFI_DISPLAY */
4999         } else if (os_strncmp(pos, "asp ", 4) == 0) {
5000                 char *svc_str;
5001                 char *svc_info = NULL;
5002                 u32 id;
5003
5004                 pos += 4;
5005                 if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
5006                         return -1;
5007
5008                 pos = os_strchr(pos, ' ');
5009                 if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
5010                         return -1;
5011
5012                 svc_str = pos + 1;
5013
5014                 pos = os_strchr(svc_str, ' ');
5015
5016                 if (pos)
5017                         *pos++ = '\0';
5018
5019                 /* All remaining data is the svc_info string */
5020                 if (pos && pos[0] && pos[0] != ' ') {
5021                         len = os_strlen(pos);
5022
5023                         /* Unescape in place */
5024                         len = utf8_unescape(pos, len, pos, len);
5025                         if (len > 0xff)
5026                                 return -1;
5027
5028                         svc_info = pos;
5029                 }
5030
5031                 ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
5032                                               svc_str, svc_info);
5033         } else {
5034                 len = os_strlen(pos);
5035                 if (len & 1)
5036                         return -1;
5037                 len /= 2;
5038                 tlvs = wpabuf_alloc(len);
5039                 if (tlvs == NULL)
5040                         return -1;
5041                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
5042                         wpabuf_free(tlvs);
5043                         return -1;
5044                 }
5045
5046                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
5047                 wpabuf_free(tlvs);
5048         }
5049         if (ref == 0)
5050                 return -1;
5051         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
5052         if (os_snprintf_error(buflen, res))
5053                 return -1;
5054         return res;
5055 }
5056
5057
5058 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
5059                                          char *cmd)
5060 {
5061         long long unsigned val;
5062         u64 req;
5063         if (sscanf(cmd, "%llx", &val) != 1)
5064                 return -1;
5065         req = val;
5066         return wpas_p2p_sd_cancel_request(wpa_s, req);
5067 }
5068
5069
5070 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
5071 {
5072         int freq;
5073         u8 dst[ETH_ALEN];
5074         u8 dialog_token;
5075         struct wpabuf *resp_tlvs;
5076         char *pos, *pos2;
5077         size_t len;
5078
5079         pos = os_strchr(cmd, ' ');
5080         if (pos == NULL)
5081                 return -1;
5082         *pos++ = '\0';
5083         freq = atoi(cmd);
5084         if (freq == 0)
5085                 return -1;
5086
5087         if (hwaddr_aton(pos, dst))
5088                 return -1;
5089         pos += 17;
5090         if (*pos != ' ')
5091                 return -1;
5092         pos++;
5093
5094         pos2 = os_strchr(pos, ' ');
5095         if (pos2 == NULL)
5096                 return -1;
5097         *pos2++ = '\0';
5098         dialog_token = atoi(pos);
5099
5100         len = os_strlen(pos2);
5101         if (len & 1)
5102                 return -1;
5103         len /= 2;
5104         resp_tlvs = wpabuf_alloc(len);
5105         if (resp_tlvs == NULL)
5106                 return -1;
5107         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
5108                 wpabuf_free(resp_tlvs);
5109                 return -1;
5110         }
5111
5112         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
5113         wpabuf_free(resp_tlvs);
5114         return 0;
5115 }
5116
5117
5118 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
5119                                        char *cmd)
5120 {
5121         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
5122                 return -1;
5123         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
5124         return 0;
5125 }
5126
5127
5128 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
5129                                         char *cmd)
5130 {
5131         char *pos;
5132         size_t len;
5133         struct wpabuf *query, *resp;
5134
5135         pos = os_strchr(cmd, ' ');
5136         if (pos == NULL)
5137                 return -1;
5138         *pos++ = '\0';
5139
5140         len = os_strlen(cmd);
5141         if (len & 1)
5142                 return -1;
5143         len /= 2;
5144         query = wpabuf_alloc(len);
5145         if (query == NULL)
5146                 return -1;
5147         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5148                 wpabuf_free(query);
5149                 return -1;
5150         }
5151
5152         len = os_strlen(pos);
5153         if (len & 1) {
5154                 wpabuf_free(query);
5155                 return -1;
5156         }
5157         len /= 2;
5158         resp = wpabuf_alloc(len);
5159         if (resp == NULL) {
5160                 wpabuf_free(query);
5161                 return -1;
5162         }
5163         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
5164                 wpabuf_free(query);
5165                 wpabuf_free(resp);
5166                 return -1;
5167         }
5168
5169         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
5170                 wpabuf_free(query);
5171                 wpabuf_free(resp);
5172                 return -1;
5173         }
5174         return 0;
5175 }
5176
5177
5178 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5179 {
5180         char *pos;
5181         u8 version;
5182
5183         pos = os_strchr(cmd, ' ');
5184         if (pos == NULL)
5185                 return -1;
5186         *pos++ = '\0';
5187
5188         if (hexstr2bin(cmd, &version, 1) < 0)
5189                 return -1;
5190
5191         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
5192 }
5193
5194
5195 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
5196                                     u8 replace, char *cmd)
5197 {
5198         char *pos;
5199         char *adv_str;
5200         u32 auto_accept, adv_id, svc_state, config_methods;
5201         char *svc_info = NULL;
5202
5203         pos = os_strchr(cmd, ' ');
5204         if (pos == NULL)
5205                 return -1;
5206         *pos++ = '\0';
5207
5208         /* Auto-Accept value is mandatory, and must be one of the
5209          * single values (0, 1, 2, 4) */
5210         auto_accept = atoi(cmd);
5211         switch (auto_accept) {
5212         case P2PS_SETUP_NONE: /* No auto-accept */
5213         case P2PS_SETUP_NEW:
5214         case P2PS_SETUP_CLIENT:
5215         case P2PS_SETUP_GROUP_OWNER:
5216                 break;
5217         default:
5218                 return -1;
5219         }
5220
5221         /* Advertisement ID is mandatory */
5222         cmd = pos;
5223         pos = os_strchr(cmd, ' ');
5224         if (pos == NULL)
5225                 return -1;
5226         *pos++ = '\0';
5227
5228         /* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
5229         if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
5230                 return -1;
5231
5232         /* Only allow replacements if exist, and adds if not */
5233         if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
5234                 if (!replace)
5235                         return -1;
5236         } else {
5237                 if (replace)
5238                         return -1;
5239         }
5240
5241         /* svc_state between 0 - 0xff is mandatory */
5242         if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
5243                 return -1;
5244
5245         pos = os_strchr(pos, ' ');
5246         if (pos == NULL)
5247                 return -1;
5248
5249         /* config_methods is mandatory */
5250         pos++;
5251         if (sscanf(pos, "%x", &config_methods) != 1)
5252                 return -1;
5253
5254         if (!(config_methods &
5255               (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
5256                 return -1;
5257
5258         pos = os_strchr(pos, ' ');
5259         if (pos == NULL)
5260                 return -1;
5261
5262         pos++;
5263         adv_str = pos;
5264
5265         /* Advertisement string is mandatory */
5266         if (!pos[0] || pos[0] == ' ')
5267                 return -1;
5268
5269         /* Terminate svc string */
5270         pos = os_strchr(pos, ' ');
5271         if (pos != NULL)
5272                 *pos++ = '\0';
5273
5274         /* Service and Response Information are optional */
5275         if (pos && pos[0]) {
5276                 size_t len;
5277
5278                 /* Note the bare ' included, which cannot exist legally
5279                  * in unescaped string. */
5280                 svc_info = os_strstr(pos, "svc_info='");
5281
5282                 if (svc_info) {
5283                         svc_info += 9;
5284                         len = os_strlen(svc_info);
5285                         utf8_unescape(svc_info, len, svc_info, len);
5286                 }
5287         }
5288
5289         return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
5290                                         (u8) svc_state, (u16) config_methods,
5291                                         svc_info);
5292 }
5293
5294
5295 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
5296 {
5297         char *pos;
5298
5299         pos = os_strchr(cmd, ' ');
5300         if (pos == NULL)
5301                 return -1;
5302         *pos++ = '\0';
5303
5304         if (os_strcmp(cmd, "bonjour") == 0)
5305                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
5306         if (os_strcmp(cmd, "upnp") == 0)
5307                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
5308         if (os_strcmp(cmd, "asp") == 0)
5309                 return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
5310         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5311         return -1;
5312 }
5313
5314
5315 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
5316                                         char *cmd)
5317 {
5318         size_t len;
5319         struct wpabuf *query;
5320         int ret;
5321
5322         len = os_strlen(cmd);
5323         if (len & 1)
5324                 return -1;
5325         len /= 2;
5326         query = wpabuf_alloc(len);
5327         if (query == NULL)
5328                 return -1;
5329         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5330                 wpabuf_free(query);
5331                 return -1;
5332         }
5333
5334         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
5335         wpabuf_free(query);
5336         return ret;
5337 }
5338
5339
5340 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5341 {
5342         char *pos;
5343         u8 version;
5344
5345         pos = os_strchr(cmd, ' ');
5346         if (pos == NULL)
5347                 return -1;
5348         *pos++ = '\0';
5349
5350         if (hexstr2bin(cmd, &version, 1) < 0)
5351                 return -1;
5352
5353         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
5354 }
5355
5356
5357 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
5358 {
5359         u32 adv_id;
5360
5361         if (os_strcmp(cmd, "all") == 0) {
5362                 wpas_p2p_service_flush_asp(wpa_s);
5363                 return 0;
5364         }
5365
5366         if (sscanf(cmd, "%x", &adv_id) != 1)
5367                 return -1;
5368
5369         return wpas_p2p_service_del_asp(wpa_s, adv_id);
5370 }
5371
5372
5373 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
5374 {
5375         char *pos;
5376
5377         pos = os_strchr(cmd, ' ');
5378         if (pos == NULL)
5379                 return -1;
5380         *pos++ = '\0';
5381
5382         if (os_strcmp(cmd, "bonjour") == 0)
5383                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
5384         if (os_strcmp(cmd, "upnp") == 0)
5385                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
5386         if (os_strcmp(cmd, "asp") == 0)
5387                 return p2p_ctrl_service_del_asp(wpa_s, pos);
5388         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5389         return -1;
5390 }
5391
5392
5393 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
5394 {
5395         char *pos;
5396
5397         pos = os_strchr(cmd, ' ');
5398         if (pos == NULL)
5399                 return -1;
5400         *pos++ = '\0';
5401
5402         if (os_strcmp(cmd, "asp") == 0)
5403                 return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
5404
5405         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5406         return -1;
5407 }
5408
5409
5410 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
5411 {
5412         u8 addr[ETH_ALEN];
5413
5414         /* <addr> */
5415
5416         if (hwaddr_aton(cmd, addr))
5417                 return -1;
5418
5419         return wpas_p2p_reject(wpa_s, addr);
5420 }
5421
5422
5423 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
5424 {
5425         char *pos;
5426         int id;
5427         struct wpa_ssid *ssid;
5428         u8 *_peer = NULL, peer[ETH_ALEN];
5429         int freq = 0, pref_freq = 0;
5430         int ht40, vht;
5431
5432         id = atoi(cmd);
5433         pos = os_strstr(cmd, " peer=");
5434         if (pos) {
5435                 pos += 6;
5436                 if (hwaddr_aton(pos, peer))
5437                         return -1;
5438                 _peer = peer;
5439         }
5440         ssid = wpa_config_get_network(wpa_s->conf, id);
5441         if (ssid == NULL || ssid->disabled != 2) {
5442                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5443                            "for persistent P2P group",
5444                            id);
5445                 return -1;
5446         }
5447
5448         pos = os_strstr(cmd, " freq=");
5449         if (pos) {
5450                 pos += 6;
5451                 freq = atoi(pos);
5452                 if (freq <= 0)
5453                         return -1;
5454         }
5455
5456         pos = os_strstr(cmd, " pref=");
5457         if (pos) {
5458                 pos += 6;
5459                 pref_freq = atoi(pos);
5460                 if (pref_freq <= 0)
5461                         return -1;
5462         }
5463
5464         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5465         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5466                 vht;
5467
5468         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
5469                                pref_freq);
5470 }
5471
5472
5473 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
5474 {
5475         char *pos;
5476         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
5477
5478         pos = os_strstr(cmd, " peer=");
5479         if (!pos)
5480                 return -1;
5481
5482         *pos = '\0';
5483         pos += 6;
5484         if (hwaddr_aton(pos, peer)) {
5485                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
5486                 return -1;
5487         }
5488
5489         pos = os_strstr(pos, " go_dev_addr=");
5490         if (pos) {
5491                 pos += 13;
5492                 if (hwaddr_aton(pos, go_dev_addr)) {
5493                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
5494                                    pos);
5495                         return -1;
5496                 }
5497                 go_dev = go_dev_addr;
5498         }
5499
5500         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
5501 }
5502
5503
5504 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
5505 {
5506         if (os_strncmp(cmd, "persistent=", 11) == 0)
5507                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
5508         if (os_strncmp(cmd, "group=", 6) == 0)
5509                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
5510
5511         return -1;
5512 }
5513
5514
5515 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
5516                                          int id, int freq, int ht40, int vht)
5517 {
5518         struct wpa_ssid *ssid;
5519
5520         ssid = wpa_config_get_network(wpa_s->conf, id);
5521         if (ssid == NULL || ssid->disabled != 2) {
5522                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5523                            "for persistent P2P group",
5524                            id);
5525                 return -1;
5526         }
5527
5528         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
5529                                              NULL, 0);
5530 }
5531
5532
5533 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
5534 {
5535         int freq = 0, persistent = 0, group_id = -1;
5536         int vht = wpa_s->conf->p2p_go_vht;
5537         int ht40 = wpa_s->conf->p2p_go_ht40 || vht;
5538         char *token, *context = NULL;
5539
5540         while ((token = str_token(cmd, " ", &context))) {
5541                 if (sscanf(token, "freq=%d", &freq) == 1 ||
5542                     sscanf(token, "persistent=%d", &group_id) == 1) {
5543                         continue;
5544                 } else if (os_strcmp(token, "ht40") == 0) {
5545                         ht40 = 1;
5546                 } else if (os_strcmp(token, "vht") == 0) {
5547                         vht = 1;
5548                         ht40 = 1;
5549                 } else if (os_strcmp(token, "persistent") == 0) {
5550                         persistent = 1;
5551                 } else {
5552                         wpa_printf(MSG_DEBUG,
5553                                    "CTRL: Invalid P2P_GROUP_ADD parameter: '%s'",
5554                                    token);
5555                         return -1;
5556                 }
5557         }
5558
5559         if (group_id >= 0)
5560                 return p2p_ctrl_group_add_persistent(wpa_s, group_id,
5561                                                      freq, ht40, vht);
5562
5563         return wpas_p2p_group_add(wpa_s, persistent, freq, ht40, vht);
5564 }
5565
5566
5567 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
5568                          char *buf, size_t buflen)
5569 {
5570         u8 addr[ETH_ALEN], *addr_ptr;
5571         int next, res;
5572         const struct p2p_peer_info *info;
5573         char *pos, *end;
5574         char devtype[WPS_DEV_TYPE_BUFSIZE];
5575         struct wpa_ssid *ssid;
5576         size_t i;
5577
5578         if (!wpa_s->global->p2p)
5579                 return -1;
5580
5581         if (os_strcmp(cmd, "FIRST") == 0) {
5582                 addr_ptr = NULL;
5583                 next = 0;
5584         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5585                 if (hwaddr_aton(cmd + 5, addr) < 0)
5586                         return -1;
5587                 addr_ptr = addr;
5588                 next = 1;
5589         } else {
5590                 if (hwaddr_aton(cmd, addr) < 0)
5591                         return -1;
5592                 addr_ptr = addr;
5593                 next = 0;
5594         }
5595
5596         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
5597         if (info == NULL)
5598                 return -1;
5599
5600         pos = buf;
5601         end = buf + buflen;
5602
5603         res = os_snprintf(pos, end - pos, MACSTR "\n"
5604                           "pri_dev_type=%s\n"
5605                           "device_name=%s\n"
5606                           "manufacturer=%s\n"
5607                           "model_name=%s\n"
5608                           "model_number=%s\n"
5609                           "serial_number=%s\n"
5610                           "config_methods=0x%x\n"
5611                           "dev_capab=0x%x\n"
5612                           "group_capab=0x%x\n"
5613                           "level=%d\n",
5614                           MAC2STR(info->p2p_device_addr),
5615                           wps_dev_type_bin2str(info->pri_dev_type,
5616                                                devtype, sizeof(devtype)),
5617                           info->device_name,
5618                           info->manufacturer,
5619                           info->model_name,
5620                           info->model_number,
5621                           info->serial_number,
5622                           info->config_methods,
5623                           info->dev_capab,
5624                           info->group_capab,
5625                           info->level);
5626         if (os_snprintf_error(end - pos, res))
5627                 return pos - buf;
5628         pos += res;
5629
5630         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
5631         {
5632                 const u8 *t;
5633                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
5634                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
5635                                   wps_dev_type_bin2str(t, devtype,
5636                                                        sizeof(devtype)));
5637                 if (os_snprintf_error(end - pos, res))
5638                         return pos - buf;
5639                 pos += res;
5640         }
5641
5642         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
5643         if (ssid) {
5644                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
5645                 if (os_snprintf_error(end - pos, res))
5646                         return pos - buf;
5647                 pos += res;
5648         }
5649
5650         res = p2p_get_peer_info_txt(info, pos, end - pos);
5651         if (res < 0)
5652                 return pos - buf;
5653         pos += res;
5654
5655         if (info->vendor_elems) {
5656                 res = os_snprintf(pos, end - pos, "vendor_elems=");
5657                 if (os_snprintf_error(end - pos, res))
5658                         return pos - buf;
5659                 pos += res;
5660
5661                 pos += wpa_snprintf_hex(pos, end - pos,
5662                                         wpabuf_head(info->vendor_elems),
5663                                         wpabuf_len(info->vendor_elems));
5664
5665                 res = os_snprintf(pos, end - pos, "\n");
5666                 if (os_snprintf_error(end - pos, res))
5667                         return pos - buf;
5668                 pos += res;
5669         }
5670
5671         return pos - buf;
5672 }
5673
5674
5675 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
5676                                   const char *param)
5677 {
5678         unsigned int i;
5679
5680         if (wpa_s->global->p2p == NULL)
5681                 return -1;
5682
5683         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
5684                 return -1;
5685
5686         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
5687                 struct wpa_freq_range *freq;
5688                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
5689                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
5690                            freq->min, freq->max);
5691         }
5692
5693         wpas_p2p_update_channel_list(wpa_s);
5694         return 0;
5695 }
5696
5697
5698 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
5699 {
5700         char *param;
5701
5702         if (wpa_s->global->p2p == NULL)
5703                 return -1;
5704
5705         param = os_strchr(cmd, ' ');
5706         if (param == NULL)
5707                 return -1;
5708         *param++ = '\0';
5709
5710         if (os_strcmp(cmd, "discoverability") == 0) {
5711                 p2p_set_client_discoverability(wpa_s->global->p2p,
5712                                                atoi(param));
5713                 return 0;
5714         }
5715
5716         if (os_strcmp(cmd, "managed") == 0) {
5717                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5718                 return 0;
5719         }
5720
5721         if (os_strcmp(cmd, "listen_channel") == 0) {
5722                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
5723                                               atoi(param), 1);
5724         }
5725
5726         if (os_strcmp(cmd, "ssid_postfix") == 0) {
5727                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
5728                                             os_strlen(param));
5729         }
5730
5731         if (os_strcmp(cmd, "noa") == 0) {
5732                 char *pos;
5733                 int count, start, duration;
5734                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
5735                 count = atoi(param);
5736                 pos = os_strchr(param, ',');
5737                 if (pos == NULL)
5738                         return -1;
5739                 pos++;
5740                 start = atoi(pos);
5741                 pos = os_strchr(pos, ',');
5742                 if (pos == NULL)
5743                         return -1;
5744                 pos++;
5745                 duration = atoi(pos);
5746                 if (count < 0 || count > 255 || start < 0 || duration < 0)
5747                         return -1;
5748                 if (count == 0 && duration > 0)
5749                         return -1;
5750                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
5751                            "start=%d duration=%d", count, start, duration);
5752                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
5753         }
5754
5755         if (os_strcmp(cmd, "ps") == 0)
5756                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
5757
5758         if (os_strcmp(cmd, "oppps") == 0)
5759                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
5760
5761         if (os_strcmp(cmd, "ctwindow") == 0)
5762                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
5763
5764         if (os_strcmp(cmd, "disabled") == 0) {
5765                 wpa_s->global->p2p_disabled = atoi(param);
5766                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
5767                            wpa_s->global->p2p_disabled ?
5768                            "disabled" : "enabled");
5769                 if (wpa_s->global->p2p_disabled) {
5770                         wpas_p2p_stop_find(wpa_s);
5771                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5772                         p2p_flush(wpa_s->global->p2p);
5773                 }
5774                 return 0;
5775         }
5776
5777         if (os_strcmp(cmd, "conc_pref") == 0) {
5778                 if (os_strcmp(param, "sta") == 0)
5779                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
5780                 else if (os_strcmp(param, "p2p") == 0)
5781                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
5782                 else {
5783                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
5784                         return -1;
5785                 }
5786                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
5787                            "%s", param);
5788                 return 0;
5789         }
5790
5791         if (os_strcmp(cmd, "force_long_sd") == 0) {
5792                 wpa_s->force_long_sd = atoi(param);
5793                 return 0;
5794         }
5795
5796         if (os_strcmp(cmd, "peer_filter") == 0) {
5797                 u8 addr[ETH_ALEN];
5798                 if (hwaddr_aton(param, addr))
5799                         return -1;
5800                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
5801                 return 0;
5802         }
5803
5804         if (os_strcmp(cmd, "cross_connect") == 0)
5805                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
5806
5807         if (os_strcmp(cmd, "go_apsd") == 0) {
5808                 if (os_strcmp(param, "disable") == 0)
5809                         wpa_s->set_ap_uapsd = 0;
5810                 else {
5811                         wpa_s->set_ap_uapsd = 1;
5812                         wpa_s->ap_uapsd = atoi(param);
5813                 }
5814                 return 0;
5815         }
5816
5817         if (os_strcmp(cmd, "client_apsd") == 0) {
5818                 if (os_strcmp(param, "disable") == 0)
5819                         wpa_s->set_sta_uapsd = 0;
5820                 else {
5821                         int be, bk, vi, vo;
5822                         char *pos;
5823                         /* format: BE,BK,VI,VO;max SP Length */
5824                         be = atoi(param);
5825                         pos = os_strchr(param, ',');
5826                         if (pos == NULL)
5827                                 return -1;
5828                         pos++;
5829                         bk = atoi(pos);
5830                         pos = os_strchr(pos, ',');
5831                         if (pos == NULL)
5832                                 return -1;
5833                         pos++;
5834                         vi = atoi(pos);
5835                         pos = os_strchr(pos, ',');
5836                         if (pos == NULL)
5837                                 return -1;
5838                         pos++;
5839                         vo = atoi(pos);
5840                         /* ignore max SP Length for now */
5841
5842                         wpa_s->set_sta_uapsd = 1;
5843                         wpa_s->sta_uapsd = 0;
5844                         if (be)
5845                                 wpa_s->sta_uapsd |= BIT(0);
5846                         if (bk)
5847                                 wpa_s->sta_uapsd |= BIT(1);
5848                         if (vi)
5849                                 wpa_s->sta_uapsd |= BIT(2);
5850                         if (vo)
5851                                 wpa_s->sta_uapsd |= BIT(3);
5852                 }
5853                 return 0;
5854         }
5855
5856         if (os_strcmp(cmd, "disallow_freq") == 0)
5857                 return p2p_ctrl_disallow_freq(wpa_s, param);
5858
5859         if (os_strcmp(cmd, "disc_int") == 0) {
5860                 int min_disc_int, max_disc_int, max_disc_tu;
5861                 char *pos;
5862
5863                 pos = param;
5864
5865                 min_disc_int = atoi(pos);
5866                 pos = os_strchr(pos, ' ');
5867                 if (pos == NULL)
5868                         return -1;
5869                 *pos++ = '\0';
5870
5871                 max_disc_int = atoi(pos);
5872                 pos = os_strchr(pos, ' ');
5873                 if (pos == NULL)
5874                         return -1;
5875                 *pos++ = '\0';
5876
5877                 max_disc_tu = atoi(pos);
5878
5879                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
5880                                         max_disc_int, max_disc_tu);
5881         }
5882
5883         if (os_strcmp(cmd, "per_sta_psk") == 0) {
5884                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
5885                 return 0;
5886         }
5887
5888 #ifdef CONFIG_WPS_NFC
5889         if (os_strcmp(cmd, "nfc_tag") == 0)
5890                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
5891 #endif /* CONFIG_WPS_NFC */
5892
5893         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
5894                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
5895                 return 0;
5896         }
5897
5898         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
5899                    cmd);
5900
5901         return -1;
5902 }
5903
5904
5905 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
5906 {
5907         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5908         wpa_s->force_long_sd = 0;
5909         wpas_p2p_stop_find(wpa_s);
5910         if (wpa_s->global->p2p)
5911                 p2p_flush(wpa_s->global->p2p);
5912 }
5913
5914
5915 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
5916 {
5917         char *pos, *pos2;
5918         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
5919
5920         if (cmd[0]) {
5921                 pos = os_strchr(cmd, ' ');
5922                 if (pos == NULL)
5923                         return -1;
5924                 *pos++ = '\0';
5925                 dur1 = atoi(cmd);
5926
5927                 pos2 = os_strchr(pos, ' ');
5928                 if (pos2)
5929                         *pos2++ = '\0';
5930                 int1 = atoi(pos);
5931         } else
5932                 pos2 = NULL;
5933
5934         if (pos2) {
5935                 pos = os_strchr(pos2, ' ');
5936                 if (pos == NULL)
5937                         return -1;
5938                 *pos++ = '\0';
5939                 dur2 = atoi(pos2);
5940                 int2 = atoi(pos);
5941         }
5942
5943         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
5944 }
5945
5946
5947 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
5948 {
5949         char *pos;
5950         unsigned int period = 0, interval = 0;
5951
5952         if (cmd[0]) {
5953                 pos = os_strchr(cmd, ' ');
5954                 if (pos == NULL)
5955                         return -1;
5956                 *pos++ = '\0';
5957                 period = atoi(cmd);
5958                 interval = atoi(pos);
5959         }
5960
5961         return wpas_p2p_ext_listen(wpa_s, period, interval);
5962 }
5963
5964
5965 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
5966 {
5967         const char *pos;
5968         u8 peer[ETH_ALEN];
5969         int iface_addr = 0;
5970
5971         pos = cmd;
5972         if (os_strncmp(pos, "iface=", 6) == 0) {
5973                 iface_addr = 1;
5974                 pos += 6;
5975         }
5976         if (hwaddr_aton(pos, peer))
5977                 return -1;
5978
5979         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
5980         return 0;
5981 }
5982
5983 #endif /* CONFIG_P2P */
5984
5985
5986 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
5987 {
5988         struct wpa_freq_range_list ranges;
5989         int *freqs = NULL;
5990         struct hostapd_hw_modes *mode;
5991         u16 i;
5992
5993         if (wpa_s->hw.modes == NULL)
5994                 return NULL;
5995
5996         os_memset(&ranges, 0, sizeof(ranges));
5997         if (freq_range_list_parse(&ranges, val) < 0)
5998                 return NULL;
5999
6000         for (i = 0; i < wpa_s->hw.num_modes; i++) {
6001                 int j;
6002
6003                 mode = &wpa_s->hw.modes[i];
6004                 for (j = 0; j < mode->num_channels; j++) {
6005                         unsigned int freq;
6006
6007                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
6008                                 continue;
6009
6010                         freq = mode->channels[j].freq;
6011                         if (!freq_range_list_includes(&ranges, freq))
6012                                 continue;
6013
6014                         int_array_add_unique(&freqs, freq);
6015                 }
6016         }
6017
6018         os_free(ranges.range);
6019         return freqs;
6020 }
6021
6022
6023 #ifdef CONFIG_INTERWORKING
6024
6025 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
6026 {
6027         int auto_sel = 0;
6028         int *freqs = NULL;
6029
6030         if (param) {
6031                 char *pos;
6032
6033                 auto_sel = os_strstr(param, "auto") != NULL;
6034
6035                 pos = os_strstr(param, "freq=");
6036                 if (pos) {
6037                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
6038                         if (freqs == NULL)
6039                                 return -1;
6040                 }
6041
6042         }
6043
6044         return interworking_select(wpa_s, auto_sel, freqs);
6045 }
6046
6047
6048 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
6049                                      int only_add)
6050 {
6051         u8 bssid[ETH_ALEN];
6052         struct wpa_bss *bss;
6053
6054         if (hwaddr_aton(dst, bssid)) {
6055                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
6056                 return -1;
6057         }
6058
6059         bss = wpa_bss_get_bssid(wpa_s, bssid);
6060         if (bss == NULL) {
6061                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
6062                            MAC2STR(bssid));
6063                 return -1;
6064         }
6065
6066         if (bss->ssid_len == 0) {
6067                 int found = 0;
6068
6069                 wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
6070                            " does not have SSID information", MAC2STR(bssid));
6071
6072                 dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
6073                                          list) {
6074                         if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
6075                             bss->ssid_len > 0) {
6076                                 found = 1;
6077                                 break;
6078                         }
6079                 }
6080
6081                 if (!found)
6082                         return -1;
6083                 wpa_printf(MSG_DEBUG,
6084                            "Found another matching BSS entry with SSID");
6085         }
6086
6087         return interworking_connect(wpa_s, bss, only_add);
6088 }
6089
6090
6091 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
6092 {
6093         u8 dst_addr[ETH_ALEN];
6094         int used;
6095         char *pos;
6096 #define MAX_ANQP_INFO_ID 100
6097         u16 id[MAX_ANQP_INFO_ID];
6098         size_t num_id = 0;
6099         u32 subtypes = 0;
6100
6101         used = hwaddr_aton2(dst, dst_addr);
6102         if (used < 0)
6103                 return -1;
6104         pos = dst + used;
6105         if (*pos == ' ')
6106                 pos++;
6107         while (num_id < MAX_ANQP_INFO_ID) {
6108                 if (os_strncmp(pos, "hs20:", 5) == 0) {
6109 #ifdef CONFIG_HS20
6110                         int num = atoi(pos + 5);
6111                         if (num <= 0 || num > 31)
6112                                 return -1;
6113                         subtypes |= BIT(num);
6114 #else /* CONFIG_HS20 */
6115                         return -1;
6116 #endif /* CONFIG_HS20 */
6117                 } else {
6118                         id[num_id] = atoi(pos);
6119                         if (id[num_id])
6120                                 num_id++;
6121                 }
6122                 pos = os_strchr(pos + 1, ',');
6123                 if (pos == NULL)
6124                         break;
6125                 pos++;
6126         }
6127
6128         if (num_id == 0)
6129                 return -1;
6130
6131         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
6132 }
6133
6134
6135 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
6136 {
6137         u8 dst_addr[ETH_ALEN];
6138         struct wpabuf *advproto, *query = NULL;
6139         int used, ret = -1;
6140         char *pos, *end;
6141         size_t len;
6142
6143         used = hwaddr_aton2(cmd, dst_addr);
6144         if (used < 0)
6145                 return -1;
6146
6147         pos = cmd + used;
6148         while (*pos == ' ')
6149                 pos++;
6150
6151         /* Advertisement Protocol ID */
6152         end = os_strchr(pos, ' ');
6153         if (end)
6154                 len = end - pos;
6155         else
6156                 len = os_strlen(pos);
6157         if (len & 0x01)
6158                 return -1;
6159         len /= 2;
6160         if (len == 0)
6161                 return -1;
6162         advproto = wpabuf_alloc(len);
6163         if (advproto == NULL)
6164                 return -1;
6165         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
6166                 goto fail;
6167
6168         if (end) {
6169                 /* Optional Query Request */
6170                 pos = end + 1;
6171                 while (*pos == ' ')
6172                         pos++;
6173
6174                 len = os_strlen(pos);
6175                 if (len) {
6176                         if (len & 0x01)
6177                                 goto fail;
6178                         len /= 2;
6179                         if (len == 0)
6180                                 goto fail;
6181                         query = wpabuf_alloc(len);
6182                         if (query == NULL)
6183                                 goto fail;
6184                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
6185                                 goto fail;
6186                 }
6187         }
6188
6189         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
6190
6191 fail:
6192         wpabuf_free(advproto);
6193         wpabuf_free(query);
6194
6195         return ret;
6196 }
6197
6198
6199 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
6200                             size_t buflen)
6201 {
6202         u8 addr[ETH_ALEN];
6203         int dialog_token;
6204         int used;
6205         char *pos;
6206         size_t resp_len, start, requested_len;
6207         struct wpabuf *resp;
6208         int ret;
6209
6210         used = hwaddr_aton2(cmd, addr);
6211         if (used < 0)
6212                 return -1;
6213
6214         pos = cmd + used;
6215         while (*pos == ' ')
6216                 pos++;
6217         dialog_token = atoi(pos);
6218
6219         if (wpa_s->last_gas_resp &&
6220             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
6221             dialog_token == wpa_s->last_gas_dialog_token)
6222                 resp = wpa_s->last_gas_resp;
6223         else if (wpa_s->prev_gas_resp &&
6224                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
6225                  dialog_token == wpa_s->prev_gas_dialog_token)
6226                 resp = wpa_s->prev_gas_resp;
6227         else
6228                 return -1;
6229
6230         resp_len = wpabuf_len(resp);
6231         start = 0;
6232         requested_len = resp_len;
6233
6234         pos = os_strchr(pos, ' ');
6235         if (pos) {
6236                 start = atoi(pos);
6237                 if (start > resp_len)
6238                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6239                 pos = os_strchr(pos, ',');
6240                 if (pos == NULL)
6241                         return -1;
6242                 pos++;
6243                 requested_len = atoi(pos);
6244                 if (start + requested_len > resp_len)
6245                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6246         }
6247
6248         if (requested_len * 2 + 1 > buflen)
6249                 return os_snprintf(buf, buflen, "FAIL-Too long response");
6250
6251         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
6252                                requested_len);
6253
6254         if (start + requested_len == resp_len) {
6255                 /*
6256                  * Free memory by dropping the response after it has been
6257                  * fetched.
6258                  */
6259                 if (resp == wpa_s->prev_gas_resp) {
6260                         wpabuf_free(wpa_s->prev_gas_resp);
6261                         wpa_s->prev_gas_resp = NULL;
6262                 } else {
6263                         wpabuf_free(wpa_s->last_gas_resp);
6264                         wpa_s->last_gas_resp = NULL;
6265                 }
6266         }
6267
6268         return ret;
6269 }
6270 #endif /* CONFIG_INTERWORKING */
6271
6272
6273 #ifdef CONFIG_HS20
6274
6275 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
6276 {
6277         u8 dst_addr[ETH_ALEN];
6278         int used;
6279         char *pos;
6280         u32 subtypes = 0;
6281
6282         used = hwaddr_aton2(dst, dst_addr);
6283         if (used < 0)
6284                 return -1;
6285         pos = dst + used;
6286         if (*pos == ' ')
6287                 pos++;
6288         for (;;) {
6289                 int num = atoi(pos);
6290                 if (num <= 0 || num > 31)
6291                         return -1;
6292                 subtypes |= BIT(num);
6293                 pos = os_strchr(pos + 1, ',');
6294                 if (pos == NULL)
6295                         break;
6296                 pos++;
6297         }
6298
6299         if (subtypes == 0)
6300                 return -1;
6301
6302         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
6303 }
6304
6305
6306 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6307                                     const u8 *addr, const char *realm)
6308 {
6309         u8 *buf;
6310         size_t rlen, len;
6311         int ret;
6312
6313         rlen = os_strlen(realm);
6314         len = 3 + rlen;
6315         buf = os_malloc(len);
6316         if (buf == NULL)
6317                 return -1;
6318         buf[0] = 1; /* NAI Home Realm Count */
6319         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
6320         buf[2] = rlen;
6321         os_memcpy(buf + 3, realm, rlen);
6322
6323         ret = hs20_anqp_send_req(wpa_s, addr,
6324                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6325                                  buf, len);
6326
6327         os_free(buf);
6328
6329         return ret;
6330 }
6331
6332
6333 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6334                                         char *dst)
6335 {
6336         struct wpa_cred *cred = wpa_s->conf->cred;
6337         u8 dst_addr[ETH_ALEN];
6338         int used;
6339         u8 *buf;
6340         size_t len;
6341         int ret;
6342
6343         used = hwaddr_aton2(dst, dst_addr);
6344         if (used < 0)
6345                 return -1;
6346
6347         while (dst[used] == ' ')
6348                 used++;
6349         if (os_strncmp(dst + used, "realm=", 6) == 0)
6350                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
6351                                                 dst + used + 6);
6352
6353         len = os_strlen(dst + used);
6354
6355         if (len == 0 && cred && cred->realm)
6356                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
6357
6358         if (len & 1)
6359                 return -1;
6360         len /= 2;
6361         buf = os_malloc(len);
6362         if (buf == NULL)
6363                 return -1;
6364         if (hexstr2bin(dst + used, buf, len) < 0) {
6365                 os_free(buf);
6366                 return -1;
6367         }
6368
6369         ret = hs20_anqp_send_req(wpa_s, dst_addr,
6370                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6371                                  buf, len);
6372         os_free(buf);
6373
6374         return ret;
6375 }
6376
6377
6378 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
6379 {
6380         u8 dst_addr[ETH_ALEN];
6381         int used;
6382         char *icon;
6383
6384         used = hwaddr_aton2(cmd, dst_addr);
6385         if (used < 0)
6386                 return -1;
6387
6388         while (cmd[used] == ' ')
6389                 used++;
6390         icon = &cmd[used];
6391
6392         wpa_s->fetch_osu_icon_in_progress = 0;
6393         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
6394                                   (u8 *) icon, os_strlen(icon));
6395 }
6396
6397 #endif /* CONFIG_HS20 */
6398
6399
6400 #ifdef CONFIG_AUTOSCAN
6401
6402 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
6403                                               char *cmd)
6404 {
6405         enum wpa_states state = wpa_s->wpa_state;
6406         char *new_params = NULL;
6407
6408         if (os_strlen(cmd) > 0) {
6409                 new_params = os_strdup(cmd);
6410                 if (new_params == NULL)
6411                         return -1;
6412         }
6413
6414         os_free(wpa_s->conf->autoscan);
6415         wpa_s->conf->autoscan = new_params;
6416
6417         if (wpa_s->conf->autoscan == NULL)
6418                 autoscan_deinit(wpa_s);
6419         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
6420                 autoscan_init(wpa_s, 1);
6421         else if (state == WPA_SCANNING)
6422                 wpa_supplicant_reinit_autoscan(wpa_s);
6423
6424         return 0;
6425 }
6426
6427 #endif /* CONFIG_AUTOSCAN */
6428
6429
6430 #ifdef CONFIG_WNM
6431
6432 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
6433 {
6434         int enter;
6435         int intval = 0;
6436         char *pos;
6437         int ret;
6438         struct wpabuf *tfs_req = NULL;
6439
6440         if (os_strncmp(cmd, "enter", 5) == 0)
6441                 enter = 1;
6442         else if (os_strncmp(cmd, "exit", 4) == 0)
6443                 enter = 0;
6444         else
6445                 return -1;
6446
6447         pos = os_strstr(cmd, " interval=");
6448         if (pos)
6449                 intval = atoi(pos + 10);
6450
6451         pos = os_strstr(cmd, " tfs_req=");
6452         if (pos) {
6453                 char *end;
6454                 size_t len;
6455                 pos += 9;
6456                 end = os_strchr(pos, ' ');
6457                 if (end)
6458                         len = end - pos;
6459                 else
6460                         len = os_strlen(pos);
6461                 if (len & 1)
6462                         return -1;
6463                 len /= 2;
6464                 tfs_req = wpabuf_alloc(len);
6465                 if (tfs_req == NULL)
6466                         return -1;
6467                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
6468                         wpabuf_free(tfs_req);
6469                         return -1;
6470                 }
6471         }
6472
6473         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
6474                                            WNM_SLEEP_MODE_EXIT, intval,
6475                                            tfs_req);
6476         wpabuf_free(tfs_req);
6477
6478         return ret;
6479 }
6480
6481
6482 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
6483 {
6484         int query_reason;
6485
6486         query_reason = atoi(cmd);
6487
6488         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
6489                    query_reason);
6490
6491         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
6492 }
6493
6494 #endif /* CONFIG_WNM */
6495
6496
6497 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
6498                                       size_t buflen)
6499 {
6500         struct wpa_signal_info si;
6501         int ret;
6502         char *pos, *end;
6503
6504         ret = wpa_drv_signal_poll(wpa_s, &si);
6505         if (ret)
6506                 return -1;
6507
6508         pos = buf;
6509         end = buf + buflen;
6510
6511         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
6512                           "NOISE=%d\nFREQUENCY=%u\n",
6513                           si.current_signal, si.current_txrate / 1000,
6514                           si.current_noise, si.frequency);
6515         if (os_snprintf_error(end - pos, ret))
6516                 return -1;
6517         pos += ret;
6518
6519         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
6520                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
6521                                   channel_width_to_string(si.chanwidth));
6522                 if (os_snprintf_error(end - pos, ret))
6523                         return -1;
6524                 pos += ret;
6525         }
6526
6527         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
6528                 ret = os_snprintf(pos, end - pos,
6529                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
6530                                   si.center_frq1, si.center_frq2);
6531                 if (os_snprintf_error(end - pos, ret))
6532                         return -1;
6533                 pos += ret;
6534         }
6535
6536         if (si.avg_signal) {
6537                 ret = os_snprintf(pos, end - pos,
6538                                   "AVG_RSSI=%d\n", si.avg_signal);
6539                 if (os_snprintf_error(end - pos, ret))
6540                         return -1;
6541                 pos += ret;
6542         }
6543
6544         if (si.avg_beacon_signal) {
6545                 ret = os_snprintf(pos, end - pos,
6546                                   "AVG_BEACON_RSSI=%d\n", si.avg_beacon_signal);
6547                 if (os_snprintf_error(end - pos, ret))
6548                         return -1;
6549                 pos += ret;
6550         }
6551
6552         return pos - buf;
6553 }
6554
6555
6556 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
6557                                       size_t buflen)
6558 {
6559         struct hostap_sta_driver_data sta;
6560         int ret;
6561
6562         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
6563         if (ret)
6564                 return -1;
6565
6566         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
6567                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
6568         if (os_snprintf_error(buflen, ret))
6569                 return -1;
6570         return ret;
6571 }
6572
6573
6574 #ifdef ANDROID
6575 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6576                                      char *buf, size_t buflen)
6577 {
6578         int ret;
6579
6580         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
6581         if (ret == 0) {
6582                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
6583                         struct p2p_data *p2p = wpa_s->global->p2p;
6584                         if (p2p) {
6585                                 char country[3];
6586                                 country[0] = cmd[8];
6587                                 country[1] = cmd[9];
6588                                 country[2] = 0x04;
6589                                 p2p_set_country(p2p, country);
6590                         }
6591                 }
6592                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
6593                 if (os_snprintf_error(buflen, ret))
6594                         ret = -1;
6595         }
6596         return ret;
6597 }
6598 #endif /* ANDROID */
6599
6600
6601 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6602                                      char *buf, size_t buflen)
6603 {
6604         int ret;
6605         char *pos;
6606         u8 *data = NULL;
6607         unsigned int vendor_id, subcmd;
6608         struct wpabuf *reply;
6609         size_t data_len = 0;
6610
6611         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
6612         vendor_id = strtoul(cmd, &pos, 16);
6613         if (!isblank(*pos))
6614                 return -EINVAL;
6615
6616         subcmd = strtoul(pos, &pos, 10);
6617
6618         if (*pos != '\0') {
6619                 if (!isblank(*pos++))
6620                         return -EINVAL;
6621                 data_len = os_strlen(pos);
6622         }
6623
6624         if (data_len) {
6625                 data_len /= 2;
6626                 data = os_malloc(data_len);
6627                 if (!data)
6628                         return -1;
6629
6630                 if (hexstr2bin(pos, data, data_len)) {
6631                         wpa_printf(MSG_DEBUG,
6632                                    "Vendor command: wrong parameter format");
6633                         os_free(data);
6634                         return -EINVAL;
6635                 }
6636         }
6637
6638         reply = wpabuf_alloc((buflen - 1) / 2);
6639         if (!reply) {
6640                 os_free(data);
6641                 return -1;
6642         }
6643
6644         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
6645                                  reply);
6646
6647         if (ret == 0)
6648                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
6649                                        wpabuf_len(reply));
6650
6651         wpabuf_free(reply);
6652         os_free(data);
6653
6654         return ret;
6655 }
6656
6657
6658 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
6659 {
6660 #ifdef CONFIG_P2P
6661         struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
6662                 wpa_s->global->p2p_init_wpa_s : wpa_s;
6663 #endif /* CONFIG_P2P */
6664
6665         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
6666
6667 #ifdef CONFIG_P2P
6668         wpas_p2p_cancel(p2p_wpa_s);
6669         p2p_ctrl_flush(p2p_wpa_s);
6670         wpas_p2p_group_remove(p2p_wpa_s, "*");
6671         wpas_p2p_service_flush(p2p_wpa_s);
6672         p2p_wpa_s->global->p2p_disabled = 0;
6673         p2p_wpa_s->global->p2p_per_sta_psk = 0;
6674         p2p_wpa_s->conf->num_sec_device_types = 0;
6675         p2p_wpa_s->p2p_disable_ip_addr_req = 0;
6676         os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
6677         p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
6678         p2p_wpa_s->global->pending_p2ps_group = 0;
6679 #endif /* CONFIG_P2P */
6680
6681 #ifdef CONFIG_WPS_TESTING
6682         wps_version_number = 0x20;
6683         wps_testing_dummy_cred = 0;
6684         wps_corrupt_pkhash = 0;
6685 #endif /* CONFIG_WPS_TESTING */
6686 #ifdef CONFIG_WPS
6687         wpa_s->wps_fragment_size = 0;
6688         wpas_wps_cancel(wpa_s);
6689         wps_registrar_flush(wpa_s->wps->registrar);
6690 #endif /* CONFIG_WPS */
6691         wpa_s->after_wps = 0;
6692         wpa_s->known_wps_freq = 0;
6693
6694 #ifdef CONFIG_TDLS
6695 #ifdef CONFIG_TDLS_TESTING
6696         extern unsigned int tdls_testing;
6697         tdls_testing = 0;
6698 #endif /* CONFIG_TDLS_TESTING */
6699         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
6700         wpa_tdls_enable(wpa_s->wpa, 1);
6701 #endif /* CONFIG_TDLS */
6702
6703         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
6704         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
6705
6706         wpa_s->no_keep_alive = 0;
6707         wpa_s->own_disconnect_req = 0;
6708
6709         os_free(wpa_s->disallow_aps_bssid);
6710         wpa_s->disallow_aps_bssid = NULL;
6711         wpa_s->disallow_aps_bssid_count = 0;
6712         os_free(wpa_s->disallow_aps_ssid);
6713         wpa_s->disallow_aps_ssid = NULL;
6714         wpa_s->disallow_aps_ssid_count = 0;
6715
6716         wpa_s->set_sta_uapsd = 0;
6717         wpa_s->sta_uapsd = 0;
6718
6719         wpa_drv_radio_disable(wpa_s, 0);
6720         wpa_blacklist_clear(wpa_s);
6721         wpa_s->extra_blacklist_count = 0;
6722         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
6723         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
6724         wpa_config_flush_blobs(wpa_s->conf);
6725         wpa_s->conf->auto_interworking = 0;
6726         wpa_s->conf->okc = 0;
6727
6728         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
6729         rsn_preauth_deinit(wpa_s->wpa);
6730
6731         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
6732         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
6733         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
6734         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
6735
6736         radio_remove_works(wpa_s, NULL, 1);
6737         wpa_s->ext_work_in_progress = 0;
6738
6739         wpa_s->next_ssid = NULL;
6740
6741 #ifdef CONFIG_INTERWORKING
6742         hs20_cancel_fetch_osu(wpa_s);
6743 #endif /* CONFIG_INTERWORKING */
6744
6745         wpa_s->ext_mgmt_frame_handling = 0;
6746         wpa_s->ext_eapol_frame_io = 0;
6747 #ifdef CONFIG_TESTING_OPTIONS
6748         wpa_s->extra_roc_dur = 0;
6749         wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
6750 #endif /* CONFIG_TESTING_OPTIONS */
6751
6752         wpa_s->disconnected = 0;
6753         os_free(wpa_s->next_scan_freqs);
6754         wpa_s->next_scan_freqs = NULL;
6755
6756         wpa_bss_flush(wpa_s);
6757         if (!dl_list_empty(&wpa_s->bss)) {
6758                 wpa_printf(MSG_DEBUG,
6759                            "BSS table not empty after flush: %u entries, current_bss=%p bssid="
6760                            MACSTR " pending_bssid=" MACSTR,
6761                            dl_list_len(&wpa_s->bss), wpa_s->current_bss,
6762                            MAC2STR(wpa_s->bssid),
6763                            MAC2STR(wpa_s->pending_bssid));
6764         }
6765
6766         eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
6767 }
6768
6769
6770 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
6771                                      char *buf, size_t buflen)
6772 {
6773         struct wpa_radio_work *work;
6774         char *pos, *end;
6775         struct os_reltime now, diff;
6776
6777         pos = buf;
6778         end = buf + buflen;
6779
6780         os_get_reltime(&now);
6781
6782         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6783         {
6784                 int ret;
6785
6786                 os_reltime_sub(&now, &work->time, &diff);
6787                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
6788                                   work->type, work->wpa_s->ifname, work->freq,
6789                                   work->started, diff.sec, diff.usec);
6790                 if (os_snprintf_error(end - pos, ret))
6791                         break;
6792                 pos += ret;
6793         }
6794
6795         return pos - buf;
6796 }
6797
6798
6799 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
6800 {
6801         struct wpa_radio_work *work = eloop_ctx;
6802         struct wpa_external_work *ework = work->ctx;
6803
6804         wpa_dbg(work->wpa_s, MSG_DEBUG,
6805                 "Timing out external radio work %u (%s)",
6806                 ework->id, work->type);
6807         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
6808         work->wpa_s->ext_work_in_progress = 0;
6809         radio_work_done(work);
6810         os_free(ework);
6811 }
6812
6813
6814 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
6815 {
6816         struct wpa_external_work *ework = work->ctx;
6817
6818         if (deinit) {
6819                 if (work->started)
6820                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6821                                              work, NULL);
6822
6823                 os_free(ework);
6824                 return;
6825         }
6826
6827         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
6828                 ework->id, ework->type);
6829         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
6830         work->wpa_s->ext_work_in_progress = 1;
6831         if (!ework->timeout)
6832                 ework->timeout = 10;
6833         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
6834                                work, NULL);
6835 }
6836
6837
6838 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
6839                                     char *buf, size_t buflen)
6840 {
6841         struct wpa_external_work *ework;
6842         char *pos, *pos2;
6843         size_t type_len;
6844         int ret;
6845         unsigned int freq = 0;
6846
6847         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
6848
6849         ework = os_zalloc(sizeof(*ework));
6850         if (ework == NULL)
6851                 return -1;
6852
6853         pos = os_strchr(cmd, ' ');
6854         if (pos) {
6855                 type_len = pos - cmd;
6856                 pos++;
6857
6858                 pos2 = os_strstr(pos, "freq=");
6859                 if (pos2)
6860                         freq = atoi(pos2 + 5);
6861
6862                 pos2 = os_strstr(pos, "timeout=");
6863                 if (pos2)
6864                         ework->timeout = atoi(pos2 + 8);
6865         } else {
6866                 type_len = os_strlen(cmd);
6867         }
6868         if (4 + type_len >= sizeof(ework->type))
6869                 type_len = sizeof(ework->type) - 4 - 1;
6870         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
6871         os_memcpy(ework->type + 4, cmd, type_len);
6872         ework->type[4 + type_len] = '\0';
6873
6874         wpa_s->ext_work_id++;
6875         if (wpa_s->ext_work_id == 0)
6876                 wpa_s->ext_work_id++;
6877         ework->id = wpa_s->ext_work_id;
6878
6879         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
6880                            ework) < 0) {
6881                 os_free(ework);
6882                 return -1;
6883         }
6884
6885         ret = os_snprintf(buf, buflen, "%u", ework->id);
6886         if (os_snprintf_error(buflen, ret))
6887                 return -1;
6888         return ret;
6889 }
6890
6891
6892 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
6893 {
6894         struct wpa_radio_work *work;
6895         unsigned int id = atoi(cmd);
6896
6897         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6898         {
6899                 struct wpa_external_work *ework;
6900
6901                 if (os_strncmp(work->type, "ext:", 4) != 0)
6902                         continue;
6903                 ework = work->ctx;
6904                 if (id && ework->id != id)
6905                         continue;
6906                 wpa_dbg(wpa_s, MSG_DEBUG,
6907                         "Completed external radio work %u (%s)",
6908                         ework->id, ework->type);
6909                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
6910                 wpa_s->ext_work_in_progress = 0;
6911                 radio_work_done(work);
6912                 os_free(ework);
6913                 return 3; /* "OK\n" */
6914         }
6915
6916         return -1;
6917 }
6918
6919
6920 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
6921                                 char *buf, size_t buflen)
6922 {
6923         if (os_strcmp(cmd, "show") == 0)
6924                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
6925         if (os_strncmp(cmd, "add ", 4) == 0)
6926                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
6927         if (os_strncmp(cmd, "done ", 5) == 0)
6928                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
6929         return -1;
6930 }
6931
6932
6933 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
6934 {
6935         struct wpa_radio_work *work, *tmp;
6936
6937         if (!wpa_s || !wpa_s->radio)
6938                 return;
6939
6940         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
6941                               struct wpa_radio_work, list) {
6942                 struct wpa_external_work *ework;
6943
6944                 if (os_strncmp(work->type, "ext:", 4) != 0)
6945                         continue;
6946                 ework = work->ctx;
6947                 wpa_dbg(wpa_s, MSG_DEBUG,
6948                         "Flushing%s external radio work %u (%s)",
6949                         work->started ? " started" : "", ework->id,
6950                         ework->type);
6951                 if (work->started)
6952                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6953                                              work, NULL);
6954                 radio_work_done(work);
6955                 os_free(ework);
6956         }
6957 }
6958
6959
6960 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
6961 {
6962         struct wpa_supplicant *wpa_s = eloop_ctx;
6963         eapol_sm_notify_ctrl_response(wpa_s->eapol);
6964 }
6965
6966
6967 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
6968                               unsigned int *scan_id_count, int scan_id[])
6969 {
6970         const char *pos = value;
6971
6972         while (pos) {
6973                 if (*pos == ' ' || *pos == '\0')
6974                         break;
6975                 if (*scan_id_count == MAX_SCAN_ID)
6976                         return -1;
6977                 scan_id[(*scan_id_count)++] = atoi(pos);
6978                 pos = os_strchr(pos, ',');
6979                 if (pos)
6980                         pos++;
6981         }
6982
6983         return 0;
6984 }
6985
6986
6987 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
6988                            char *reply, int reply_size, int *reply_len)
6989 {
6990         char *pos;
6991         unsigned int manual_scan_passive = 0;
6992         unsigned int manual_scan_use_id = 0;
6993         unsigned int manual_scan_only_new = 0;
6994         unsigned int scan_only = 0;
6995         unsigned int scan_id_count = 0;
6996         int scan_id[MAX_SCAN_ID];
6997         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
6998                                  struct wpa_scan_results *scan_res);
6999         int *manual_scan_freqs = NULL;
7000         struct wpa_ssid_value *ssid = NULL, *ns;
7001         unsigned int ssid_count = 0;
7002
7003         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
7004                 *reply_len = -1;
7005                 return;
7006         }
7007
7008         if (radio_work_pending(wpa_s, "scan")) {
7009                 wpa_printf(MSG_DEBUG,
7010                            "Pending scan scheduled - reject new request");
7011                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7012                 return;
7013         }
7014
7015 #ifdef CONFIG_INTERWORKING
7016         if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) {
7017                 wpa_printf(MSG_DEBUG,
7018                            "Interworking select in progress - reject new scan");
7019                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7020                 return;
7021         }
7022 #endif /* CONFIG_INTERWORKING */
7023
7024         if (params) {
7025                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
7026                         scan_only = 1;
7027
7028                 pos = os_strstr(params, "freq=");
7029                 if (pos) {
7030                         manual_scan_freqs = freq_range_to_channel_list(wpa_s,
7031                                                                        pos + 5);
7032                         if (manual_scan_freqs == NULL) {
7033                                 *reply_len = -1;
7034                                 goto done;
7035                         }
7036                 }
7037
7038                 pos = os_strstr(params, "passive=");
7039                 if (pos)
7040                         manual_scan_passive = !!atoi(pos + 8);
7041
7042                 pos = os_strstr(params, "use_id=");
7043                 if (pos)
7044                         manual_scan_use_id = atoi(pos + 7);
7045
7046                 pos = os_strstr(params, "only_new=1");
7047                 if (pos)
7048                         manual_scan_only_new = 1;
7049
7050                 pos = os_strstr(params, "scan_id=");
7051                 if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
7052                                               scan_id) < 0) {
7053                         *reply_len = -1;
7054                         goto done;
7055                 }
7056
7057                 pos = params;
7058                 while (pos && *pos != '\0') {
7059                         if (os_strncmp(pos, "ssid ", 5) == 0) {
7060                                 char *end;
7061
7062                                 pos += 5;
7063                                 end = pos;
7064                                 while (*end) {
7065                                         if (*end == '\0' || *end == ' ')
7066                                                 break;
7067                                         end++;
7068                                 }
7069
7070                                 ns = os_realloc_array(
7071                                         ssid, ssid_count + 1,
7072                                         sizeof(struct wpa_ssid_value));
7073                                 if (ns == NULL) {
7074                                         *reply_len = -1;
7075                                         goto done;
7076                                 }
7077                                 ssid = ns;
7078
7079                                 if ((end - pos) & 0x01 ||
7080                                     end - pos > 2 * SSID_MAX_LEN ||
7081                                     hexstr2bin(pos, ssid[ssid_count].ssid,
7082                                                (end - pos) / 2) < 0) {
7083                                         wpa_printf(MSG_DEBUG,
7084                                                    "Invalid SSID value '%s'",
7085                                                    pos);
7086                                         *reply_len = -1;
7087                                         goto done;
7088                                 }
7089                                 ssid[ssid_count].ssid_len = (end - pos) / 2;
7090                                 wpa_hexdump_ascii(MSG_DEBUG, "scan SSID",
7091                                                   ssid[ssid_count].ssid,
7092                                                   ssid[ssid_count].ssid_len);
7093                                 ssid_count++;
7094                                 pos = end;
7095                         }
7096
7097                         pos = os_strchr(pos, ' ');
7098                         if (pos)
7099                                 pos++;
7100                 }
7101         }
7102
7103         wpa_s->num_ssids_from_scan_req = ssid_count;
7104         os_free(wpa_s->ssids_from_scan_req);
7105         if (ssid_count) {
7106                 wpa_s->ssids_from_scan_req = ssid;
7107                 ssid = NULL;
7108         } else {
7109                 wpa_s->ssids_from_scan_req = NULL;
7110         }
7111
7112         if (scan_only)
7113                 scan_res_handler = scan_only_handler;
7114         else if (wpa_s->scan_res_handler == scan_only_handler)
7115                 scan_res_handler = NULL;
7116         else
7117                 scan_res_handler = wpa_s->scan_res_handler;
7118
7119         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
7120             ((wpa_s->wpa_state <= WPA_SCANNING) ||
7121              (wpa_s->wpa_state == WPA_COMPLETED))) {
7122                 wpa_s->manual_scan_passive = manual_scan_passive;
7123                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7124                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7125                 wpa_s->scan_id_count = scan_id_count;
7126                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7127                 wpa_s->scan_res_handler = scan_res_handler;
7128                 os_free(wpa_s->manual_scan_freqs);
7129                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7130                 manual_scan_freqs = NULL;
7131
7132                 wpa_s->normal_scans = 0;
7133                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7134                 wpa_s->after_wps = 0;
7135                 wpa_s->known_wps_freq = 0;
7136                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7137                 if (wpa_s->manual_scan_use_id) {
7138                         wpa_s->manual_scan_id++;
7139                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7140                                 wpa_s->manual_scan_id);
7141                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7142                                                  wpa_s->manual_scan_id);
7143                 }
7144         } else if (wpa_s->sched_scanning) {
7145                 wpa_s->manual_scan_passive = manual_scan_passive;
7146                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7147                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7148                 wpa_s->scan_id_count = scan_id_count;
7149                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7150                 wpa_s->scan_res_handler = scan_res_handler;
7151                 os_free(wpa_s->manual_scan_freqs);
7152                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7153                 manual_scan_freqs = NULL;
7154
7155                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
7156                 wpa_supplicant_cancel_sched_scan(wpa_s);
7157                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7158                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7159                 if (wpa_s->manual_scan_use_id) {
7160                         wpa_s->manual_scan_id++;
7161                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7162                                                  wpa_s->manual_scan_id);
7163                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7164                                 wpa_s->manual_scan_id);
7165                 }
7166         } else {
7167                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
7168                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7169         }
7170
7171 done:
7172         os_free(manual_scan_freqs);
7173         os_free(ssid);
7174 }
7175
7176
7177 #ifdef CONFIG_TESTING_OPTIONS
7178
7179 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
7180                                        unsigned int freq, const u8 *dst,
7181                                        const u8 *src, const u8 *bssid,
7182                                        const u8 *data, size_t data_len,
7183                                        enum offchannel_send_action_result
7184                                        result)
7185 {
7186         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
7187                 " src=" MACSTR " bssid=" MACSTR " result=%s",
7188                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
7189                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
7190                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
7191                              "NO_ACK" : "FAILED"));
7192 }
7193
7194
7195 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
7196 {
7197         char *pos, *param;
7198         size_t len;
7199         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
7200         int res, used;
7201         int freq = 0, no_cck = 0, wait_time = 0;
7202
7203         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
7204          *    <action=Action frame payload> */
7205
7206         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
7207
7208         pos = cmd;
7209         used = hwaddr_aton2(pos, da);
7210         if (used < 0)
7211                 return -1;
7212         pos += used;
7213         while (*pos == ' ')
7214                 pos++;
7215         used = hwaddr_aton2(pos, bssid);
7216         if (used < 0)
7217                 return -1;
7218         pos += used;
7219
7220         param = os_strstr(pos, " freq=");
7221         if (param) {
7222                 param += 6;
7223                 freq = atoi(param);
7224         }
7225
7226         param = os_strstr(pos, " no_cck=");
7227         if (param) {
7228                 param += 8;
7229                 no_cck = atoi(param);
7230         }
7231
7232         param = os_strstr(pos, " wait_time=");
7233         if (param) {
7234                 param += 11;
7235                 wait_time = atoi(param);
7236         }
7237
7238         param = os_strstr(pos, " action=");
7239         if (param == NULL)
7240                 return -1;
7241         param += 8;
7242
7243         len = os_strlen(param);
7244         if (len & 1)
7245                 return -1;
7246         len /= 2;
7247
7248         buf = os_malloc(len);
7249         if (buf == NULL)
7250                 return -1;
7251
7252         if (hexstr2bin(param, buf, len) < 0) {
7253                 os_free(buf);
7254                 return -1;
7255         }
7256
7257         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
7258                                      buf, len, wait_time,
7259                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
7260         os_free(buf);
7261         return res;
7262 }
7263
7264
7265 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
7266 {
7267         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
7268         offchannel_send_action_done(wpa_s);
7269 }
7270
7271
7272 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
7273 {
7274         char *pos, *param;
7275         union wpa_event_data event;
7276         enum wpa_event_type ev;
7277
7278         /* <event name> [parameters..] */
7279
7280         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
7281
7282         pos = cmd;
7283         param = os_strchr(pos, ' ');
7284         if (param)
7285                 *param++ = '\0';
7286
7287         os_memset(&event, 0, sizeof(event));
7288
7289         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
7290                 ev = EVENT_INTERFACE_ENABLED;
7291         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
7292                 ev = EVENT_INTERFACE_DISABLED;
7293         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
7294                 ev = EVENT_AVOID_FREQUENCIES;
7295                 if (param == NULL)
7296                         param = "";
7297                 if (freq_range_list_parse(&event.freq_range, param) < 0)
7298                         return -1;
7299                 wpa_supplicant_event(wpa_s, ev, &event);
7300                 os_free(event.freq_range.range);
7301                 return 0;
7302         } else {
7303                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
7304                         cmd);
7305                 return -1;
7306         }
7307
7308         wpa_supplicant_event(wpa_s, ev, &event);
7309
7310         return 0;
7311 }
7312
7313
7314 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
7315 {
7316         char *pos;
7317         u8 src[ETH_ALEN], *buf;
7318         int used;
7319         size_t len;
7320
7321         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
7322
7323         pos = cmd;
7324         used = hwaddr_aton2(pos, src);
7325         if (used < 0)
7326                 return -1;
7327         pos += used;
7328         while (*pos == ' ')
7329                 pos++;
7330
7331         len = os_strlen(pos);
7332         if (len & 1)
7333                 return -1;
7334         len /= 2;
7335
7336         buf = os_malloc(len);
7337         if (buf == NULL)
7338                 return -1;
7339
7340         if (hexstr2bin(pos, buf, len) < 0) {
7341                 os_free(buf);
7342                 return -1;
7343         }
7344
7345         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
7346         os_free(buf);
7347
7348         return 0;
7349 }
7350
7351
7352 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
7353 {
7354         size_t i;
7355         u32 sum = 0;
7356         const u16 *pos = buf;
7357
7358         for (i = 0; i < len / 2; i++)
7359                 sum += *pos++;
7360
7361         while (sum >> 16)
7362                 sum = (sum & 0xffff) + (sum >> 16);
7363
7364         return sum ^ 0xffff;
7365 }
7366
7367
7368 #define HWSIM_PACKETLEN 1500
7369 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
7370
7371 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
7372 {
7373         struct wpa_supplicant *wpa_s = ctx;
7374         const struct ether_header *eth;
7375         struct iphdr ip;
7376         const u8 *pos;
7377         unsigned int i;
7378
7379         if (len != HWSIM_PACKETLEN)
7380                 return;
7381
7382         eth = (const struct ether_header *) buf;
7383         os_memcpy(&ip, eth + 1, sizeof(ip));
7384         pos = &buf[sizeof(*eth) + sizeof(ip)];
7385
7386         if (ip.ihl != 5 || ip.version != 4 ||
7387             ntohs(ip.tot_len) != HWSIM_IP_LEN)
7388                 return;
7389
7390         for (i = 0; i < HWSIM_IP_LEN - sizeof(ip); i++) {
7391                 if (*pos != (u8) i)
7392                         return;
7393                 pos++;
7394         }
7395
7396         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
7397                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
7398 }
7399
7400
7401 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
7402                                             char *cmd)
7403 {
7404         int enabled = atoi(cmd);
7405
7406         if (!enabled) {
7407                 if (wpa_s->l2_test) {
7408                         l2_packet_deinit(wpa_s->l2_test);
7409                         wpa_s->l2_test = NULL;
7410                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
7411                 }
7412                 return 0;
7413         }
7414
7415         if (wpa_s->l2_test)
7416                 return 0;
7417
7418         wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
7419                                         ETHERTYPE_IP, wpas_data_test_rx,
7420                                         wpa_s, 1);
7421         if (wpa_s->l2_test == NULL)
7422                 return -1;
7423
7424         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
7425
7426         return 0;
7427 }
7428
7429
7430 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
7431 {
7432         u8 dst[ETH_ALEN], src[ETH_ALEN];
7433         char *pos;
7434         int used;
7435         long int val;
7436         u8 tos;
7437         u8 buf[2 + HWSIM_PACKETLEN];
7438         struct ether_header *eth;
7439         struct iphdr *ip;
7440         u8 *dpos;
7441         unsigned int i;
7442
7443         if (wpa_s->l2_test == NULL)
7444                 return -1;
7445
7446         /* format: <dst> <src> <tos> */
7447
7448         pos = cmd;
7449         used = hwaddr_aton2(pos, dst);
7450         if (used < 0)
7451                 return -1;
7452         pos += used;
7453         while (*pos == ' ')
7454                 pos++;
7455         used = hwaddr_aton2(pos, src);
7456         if (used < 0)
7457                 return -1;
7458         pos += used;
7459
7460         val = strtol(pos, NULL, 0);
7461         if (val < 0 || val > 0xff)
7462                 return -1;
7463         tos = val;
7464
7465         eth = (struct ether_header *) &buf[2];
7466         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
7467         os_memcpy(eth->ether_shost, src, ETH_ALEN);
7468         eth->ether_type = htons(ETHERTYPE_IP);
7469         ip = (struct iphdr *) (eth + 1);
7470         os_memset(ip, 0, sizeof(*ip));
7471         ip->ihl = 5;
7472         ip->version = 4;
7473         ip->ttl = 64;
7474         ip->tos = tos;
7475         ip->tot_len = htons(HWSIM_IP_LEN);
7476         ip->protocol = 1;
7477         ip->saddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 1);
7478         ip->daddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 2);
7479         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
7480         dpos = (u8 *) (ip + 1);
7481         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
7482                 *dpos++ = i;
7483
7484         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, &buf[2],
7485                            HWSIM_PACKETLEN) < 0)
7486                 return -1;
7487
7488         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
7489                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
7490
7491         return 0;
7492 }
7493
7494
7495 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
7496                                            char *cmd)
7497 {
7498         u8 *buf;
7499         struct ether_header *eth;
7500         struct l2_packet_data *l2 = NULL;
7501         size_t len;
7502         u16 ethertype;
7503         int res = -1;
7504
7505         len = os_strlen(cmd);
7506         if (len & 1 || len < ETH_HLEN * 2)
7507                 return -1;
7508         len /= 2;
7509
7510         buf = os_malloc(len);
7511         if (buf == NULL)
7512                 return -1;
7513
7514         if (hexstr2bin(cmd, buf, len) < 0)
7515                 goto done;
7516
7517         eth = (struct ether_header *) buf;
7518         ethertype = ntohs(eth->ether_type);
7519
7520         l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
7521                             wpas_data_test_rx, wpa_s, 1);
7522         if (l2 == NULL)
7523                 goto done;
7524
7525         res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
7526         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
7527 done:
7528         if (l2)
7529                 l2_packet_deinit(l2);
7530         os_free(buf);
7531
7532         return res < 0 ? -1 : 0;
7533 }
7534
7535
7536 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
7537 {
7538 #ifdef WPA_TRACE_BFD
7539         extern char wpa_trace_fail_func[256];
7540         extern unsigned int wpa_trace_fail_after;
7541         char *pos;
7542
7543         wpa_trace_fail_after = atoi(cmd);
7544         pos = os_strchr(cmd, ':');
7545         if (pos) {
7546                 pos++;
7547                 os_strlcpy(wpa_trace_fail_func, pos,
7548                            sizeof(wpa_trace_fail_func));
7549         } else {
7550                 wpa_trace_fail_after = 0;
7551         }
7552         return 0;
7553 #else /* WPA_TRACE_BFD */
7554         return -1;
7555 #endif /* WPA_TRACE_BFD */
7556 }
7557
7558
7559 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
7560                                     char *buf, size_t buflen)
7561 {
7562 #ifdef WPA_TRACE_BFD
7563         extern char wpa_trace_fail_func[256];
7564         extern unsigned int wpa_trace_fail_after;
7565
7566         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
7567                            wpa_trace_fail_func);
7568 #else /* WPA_TRACE_BFD */
7569         return -1;
7570 #endif /* WPA_TRACE_BFD */
7571 }
7572
7573
7574 static int wpas_ctrl_test_fail(struct wpa_supplicant *wpa_s, char *cmd)
7575 {
7576 #ifdef WPA_TRACE_BFD
7577         extern char wpa_trace_test_fail_func[256];
7578         extern unsigned int wpa_trace_test_fail_after;
7579         char *pos;
7580
7581         wpa_trace_test_fail_after = atoi(cmd);
7582         pos = os_strchr(cmd, ':');
7583         if (pos) {
7584                 pos++;
7585                 os_strlcpy(wpa_trace_test_fail_func, pos,
7586                            sizeof(wpa_trace_test_fail_func));
7587         } else {
7588                 wpa_trace_test_fail_after = 0;
7589         }
7590         return 0;
7591 #else /* WPA_TRACE_BFD */
7592         return -1;
7593 #endif /* WPA_TRACE_BFD */
7594 }
7595
7596
7597 static int wpas_ctrl_get_fail(struct wpa_supplicant *wpa_s,
7598                                     char *buf, size_t buflen)
7599 {
7600 #ifdef WPA_TRACE_BFD
7601         extern char wpa_trace_test_fail_func[256];
7602         extern unsigned int wpa_trace_test_fail_after;
7603
7604         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_test_fail_after,
7605                            wpa_trace_test_fail_func);
7606 #else /* WPA_TRACE_BFD */
7607         return -1;
7608 #endif /* WPA_TRACE_BFD */
7609 }
7610
7611 #endif /* CONFIG_TESTING_OPTIONS */
7612
7613
7614 static void wpas_ctrl_vendor_elem_update(struct wpa_supplicant *wpa_s)
7615 {
7616         unsigned int i;
7617         char buf[30];
7618
7619         wpa_printf(MSG_DEBUG, "Update vendor elements");
7620
7621         for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
7622                 if (wpa_s->vendor_elem[i]) {
7623                         int res;
7624
7625                         res = os_snprintf(buf, sizeof(buf), "frame[%u]", i);
7626                         if (!os_snprintf_error(sizeof(buf), res)) {
7627                                 wpa_hexdump_buf(MSG_DEBUG, buf,
7628                                                 wpa_s->vendor_elem[i]);
7629                         }
7630                 }
7631         }
7632
7633 #ifdef CONFIG_P2P
7634         if (wpa_s->parent == wpa_s &&
7635             wpa_s->global->p2p &&
7636             !wpa_s->global->p2p_disabled)
7637                 p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem);
7638 #endif /* CONFIG_P2P */
7639 }
7640
7641
7642 static struct wpa_supplicant *
7643 wpas_ctrl_vendor_elem_iface(struct wpa_supplicant *wpa_s,
7644                             enum wpa_vendor_elem_frame frame)
7645 {
7646         switch (frame) {
7647 #ifdef CONFIG_P2P
7648         case VENDOR_ELEM_PROBE_REQ_P2P:
7649         case VENDOR_ELEM_PROBE_RESP_P2P:
7650         case VENDOR_ELEM_PROBE_RESP_P2P_GO:
7651         case VENDOR_ELEM_BEACON_P2P_GO:
7652         case VENDOR_ELEM_P2P_PD_REQ:
7653         case VENDOR_ELEM_P2P_PD_RESP:
7654         case VENDOR_ELEM_P2P_GO_NEG_REQ:
7655         case VENDOR_ELEM_P2P_GO_NEG_RESP:
7656         case VENDOR_ELEM_P2P_GO_NEG_CONF:
7657         case VENDOR_ELEM_P2P_INV_REQ:
7658         case VENDOR_ELEM_P2P_INV_RESP:
7659         case VENDOR_ELEM_P2P_ASSOC_REQ:
7660                 return wpa_s->parent;
7661 #endif /* CONFIG_P2P */
7662         default:
7663                 return wpa_s;
7664         }
7665 }
7666
7667
7668 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
7669 {
7670         char *pos = cmd;
7671         int frame;
7672         size_t len;
7673         struct wpabuf *buf;
7674         struct ieee802_11_elems elems;
7675
7676         frame = atoi(pos);
7677         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7678                 return -1;
7679         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7680
7681         pos = os_strchr(pos, ' ');
7682         if (pos == NULL)
7683                 return -1;
7684         pos++;
7685
7686         len = os_strlen(pos);
7687         if (len == 0)
7688                 return 0;
7689         if (len & 1)
7690                 return -1;
7691         len /= 2;
7692
7693         buf = wpabuf_alloc(len);
7694         if (buf == NULL)
7695                 return -1;
7696
7697         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
7698                 wpabuf_free(buf);
7699                 return -1;
7700         }
7701
7702         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
7703             ParseFailed) {
7704                 wpabuf_free(buf);
7705                 return -1;
7706         }
7707
7708         if (wpa_s->vendor_elem[frame] == NULL) {
7709                 wpa_s->vendor_elem[frame] = buf;
7710                 wpas_ctrl_vendor_elem_update(wpa_s);
7711                 return 0;
7712         }
7713
7714         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
7715                 wpabuf_free(buf);
7716                 return -1;
7717         }
7718
7719         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
7720         wpabuf_free(buf);
7721         wpas_ctrl_vendor_elem_update(wpa_s);
7722
7723         return 0;
7724 }
7725
7726
7727 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
7728                                      char *buf, size_t buflen)
7729 {
7730         int frame = atoi(cmd);
7731
7732         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7733                 return -1;
7734         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7735
7736         if (wpa_s->vendor_elem[frame] == NULL)
7737                 return 0;
7738
7739         return wpa_snprintf_hex(buf, buflen,
7740                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
7741                                 wpabuf_len(wpa_s->vendor_elem[frame]));
7742 }
7743
7744
7745 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
7746 {
7747         char *pos = cmd;
7748         int frame;
7749         size_t len;
7750         u8 *buf;
7751         struct ieee802_11_elems elems;
7752         u8 *ie, *end;
7753
7754         frame = atoi(pos);
7755         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7756                 return -1;
7757         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7758
7759         pos = os_strchr(pos, ' ');
7760         if (pos == NULL)
7761                 return -1;
7762         pos++;
7763
7764         if (*pos == '*') {
7765                 wpabuf_free(wpa_s->vendor_elem[frame]);
7766                 wpa_s->vendor_elem[frame] = NULL;
7767                 wpas_ctrl_vendor_elem_update(wpa_s);
7768                 return 0;
7769         }
7770
7771         if (wpa_s->vendor_elem[frame] == NULL)
7772                 return -1;
7773
7774         len = os_strlen(pos);
7775         if (len == 0)
7776                 return 0;
7777         if (len & 1)
7778                 return -1;
7779         len /= 2;
7780
7781         buf = os_malloc(len);
7782         if (buf == NULL)
7783                 return -1;
7784
7785         if (hexstr2bin(pos, buf, len) < 0) {
7786                 os_free(buf);
7787                 return -1;
7788         }
7789
7790         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
7791                 os_free(buf);
7792                 return -1;
7793         }
7794
7795         ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]);
7796         end = ie + wpabuf_len(wpa_s->vendor_elem[frame]);
7797
7798         for (; ie + 1 < end; ie += 2 + ie[1]) {
7799                 if (ie + len > end)
7800                         break;
7801                 if (os_memcmp(ie, buf, len) != 0)
7802                         continue;
7803
7804                 if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) {
7805                         wpabuf_free(wpa_s->vendor_elem[frame]);
7806                         wpa_s->vendor_elem[frame] = NULL;
7807                 } else {
7808                         os_memmove(ie, ie + len,
7809                                    end - (ie + len));
7810                         wpa_s->vendor_elem[frame]->used -= len;
7811                 }
7812                 os_free(buf);
7813                 wpas_ctrl_vendor_elem_update(wpa_s);
7814                 return 0;
7815         }
7816
7817         os_free(buf);
7818
7819         return -1;
7820 }
7821
7822
7823 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
7824 {
7825         struct wpa_supplicant *wpa_s = ctx;
7826
7827         if (neighbor_rep) {
7828                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
7829                              "length=%u",
7830                              (unsigned int) wpabuf_len(neighbor_rep));
7831                 wpabuf_free(neighbor_rep);
7832         } else {
7833                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
7834         }
7835 }
7836
7837
7838 static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s,
7839                                             char *cmd)
7840 {
7841         struct wpa_ssid ssid;
7842         struct wpa_ssid *ssid_p = NULL;
7843         int ret = 0;
7844
7845         if (os_strncmp(cmd, " ssid=", 6) == 0) {
7846                 ssid.ssid_len = os_strlen(cmd + 6);
7847                 if (ssid.ssid_len > SSID_MAX_LEN)
7848                         return -1;
7849                 ssid.ssid = (u8 *) (cmd + 6);
7850                 ssid_p = &ssid;
7851         }
7852
7853         ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p,
7854                                                  wpas_ctrl_neighbor_rep_cb,
7855                                                  wpa_s);
7856
7857         return ret;
7858 }
7859
7860
7861 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
7862 {
7863         eapol_sm_erp_flush(wpa_s->eapol);
7864         return 0;
7865 }
7866
7867
7868 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
7869                                          char *cmd)
7870 {
7871         char *token, *context = NULL;
7872         unsigned int enable = ~0, type = 0;
7873         u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
7874         u8 *addr = NULL, *mask = NULL;
7875
7876         while ((token = str_token(cmd, " ", &context))) {
7877                 if (os_strcasecmp(token, "scan") == 0) {
7878                         type |= MAC_ADDR_RAND_SCAN;
7879                 } else if (os_strcasecmp(token, "sched") == 0) {
7880                         type |= MAC_ADDR_RAND_SCHED_SCAN;
7881                 } else if (os_strcasecmp(token, "pno") == 0) {
7882                         type |= MAC_ADDR_RAND_PNO;
7883                 } else if (os_strcasecmp(token, "all") == 0) {
7884                         type = wpa_s->mac_addr_rand_supported;
7885                 } else if (os_strncasecmp(token, "enable=", 7) == 0) {
7886                         enable = atoi(token + 7);
7887                 } else if (os_strncasecmp(token, "addr=", 5) == 0) {
7888                         addr = _addr;
7889                         if (hwaddr_aton(token + 5, addr)) {
7890                                 wpa_printf(MSG_INFO,
7891                                            "CTRL: Invalid MAC address: %s",
7892                                            token);
7893                                 return -1;
7894                         }
7895                 } else if (os_strncasecmp(token, "mask=", 5) == 0) {
7896                         mask = _mask;
7897                         if (hwaddr_aton(token + 5, mask)) {
7898                                 wpa_printf(MSG_INFO,
7899                                            "CTRL: Invalid MAC address mask: %s",
7900                                            token);
7901                                 return -1;
7902                         }
7903                 } else {
7904                         wpa_printf(MSG_INFO,
7905                                    "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
7906                                    token);
7907                         return -1;
7908                 }
7909         }
7910
7911         if (!type) {
7912                 wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
7913                 return -1;
7914         }
7915
7916         if ((wpa_s->mac_addr_rand_supported & type) != type) {
7917                 wpa_printf(MSG_INFO,
7918                            "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
7919                            type, wpa_s->mac_addr_rand_supported);
7920                 return -1;
7921         }
7922
7923         if (enable > 1) {
7924                 wpa_printf(MSG_INFO,
7925                            "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
7926                 return -1;
7927         }
7928
7929         if (!enable) {
7930                 wpas_mac_addr_rand_scan_clear(wpa_s, type);
7931                 if (wpa_s->pno) {
7932                         if (type & MAC_ADDR_RAND_PNO) {
7933                                 wpas_stop_pno(wpa_s);
7934                                 wpas_start_pno(wpa_s);
7935                         }
7936                 } else if (wpa_s->sched_scanning &&
7937                            (type & MAC_ADDR_RAND_SCHED_SCAN)) {
7938                         /* simulate timeout to restart the sched scan */
7939                         wpa_s->sched_scan_timed_out = 1;
7940                         wpa_s->prev_sched_ssid = NULL;
7941                         wpa_supplicant_cancel_sched_scan(wpa_s);
7942                 }
7943                 return 0;
7944         }
7945
7946         if ((addr && !mask) || (!addr && mask)) {
7947                 wpa_printf(MSG_INFO,
7948                            "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
7949                 return -1;
7950         }
7951
7952         if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
7953                 wpa_printf(MSG_INFO,
7954                            "CTRL: MAC_RAND_SCAN cannot allow multicast address");
7955                 return -1;
7956         }
7957
7958         if (type & MAC_ADDR_RAND_SCAN) {
7959                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
7960                                             addr, mask);
7961         }
7962
7963         if (type & MAC_ADDR_RAND_SCHED_SCAN) {
7964                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
7965                                             addr, mask);
7966
7967                 if (wpa_s->sched_scanning && !wpa_s->pno) {
7968                         /* simulate timeout to restart the sched scan */
7969                         wpa_s->sched_scan_timed_out = 1;
7970                         wpa_s->prev_sched_ssid = NULL;
7971                         wpa_supplicant_cancel_sched_scan(wpa_s);
7972                 }
7973         }
7974
7975         if (type & MAC_ADDR_RAND_PNO) {
7976                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
7977                                             addr, mask);
7978                 if (wpa_s->pno) {
7979                         wpas_stop_pno(wpa_s);
7980                         wpas_start_pno(wpa_s);
7981                 }
7982         }
7983
7984         return 0;
7985 }
7986
7987
7988 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
7989                                          char *buf, size_t *resp_len)
7990 {
7991         char *reply;
7992         const int reply_size = 4096;
7993         int reply_len;
7994
7995         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
7996             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
7997                 if (wpa_debug_show_keys)
7998                         wpa_dbg(wpa_s, MSG_DEBUG,
7999                                 "Control interface command '%s'", buf);
8000                 else
8001                         wpa_dbg(wpa_s, MSG_DEBUG,
8002                                 "Control interface command '%s [REMOVED]'",
8003                                 os_strncmp(buf, WPA_CTRL_RSP,
8004                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
8005                                 WPA_CTRL_RSP : "SET_NETWORK");
8006         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
8007                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
8008                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
8009                                       (const u8 *) buf, os_strlen(buf));
8010         } else {
8011                 int level = MSG_DEBUG;
8012                 if (os_strcmp(buf, "PING") == 0)
8013                         level = MSG_EXCESSIVE;
8014                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
8015         }
8016
8017         reply = os_malloc(reply_size);
8018         if (reply == NULL) {
8019                 *resp_len = 1;
8020                 return NULL;
8021         }
8022
8023         os_memcpy(reply, "OK\n", 3);
8024         reply_len = 3;
8025
8026         if (os_strcmp(buf, "PING") == 0) {
8027                 os_memcpy(reply, "PONG\n", 5);
8028                 reply_len = 5;
8029         } else if (os_strcmp(buf, "IFNAME") == 0) {
8030                 reply_len = os_strlen(wpa_s->ifname);
8031                 os_memcpy(reply, wpa_s->ifname, reply_len);
8032         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
8033                 if (wpa_debug_reopen_file() < 0)
8034                         reply_len = -1;
8035         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
8036                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
8037         } else if (os_strcmp(buf, "MIB") == 0) {
8038                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
8039                 if (reply_len >= 0) {
8040                         reply_len += eapol_sm_get_mib(wpa_s->eapol,
8041                                                       reply + reply_len,
8042                                                       reply_size - reply_len);
8043                 }
8044         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
8045                 reply_len = wpa_supplicant_ctrl_iface_status(
8046                         wpa_s, buf + 6, reply, reply_size);
8047         } else if (os_strcmp(buf, "PMKSA") == 0) {
8048                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
8049                                                     reply_size);
8050         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
8051                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
8052         } else if (os_strncmp(buf, "SET ", 4) == 0) {
8053                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
8054                         reply_len = -1;
8055         } else if (os_strncmp(buf, "DUMP", 4) == 0) {
8056                 reply_len = wpa_config_dump_values(wpa_s->conf,
8057                                                    reply, reply_size);
8058         } else if (os_strncmp(buf, "GET ", 4) == 0) {
8059                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
8060                                                           reply, reply_size);
8061         } else if (os_strcmp(buf, "LOGON") == 0) {
8062                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
8063         } else if (os_strcmp(buf, "LOGOFF") == 0) {
8064                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
8065         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
8066                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8067                         reply_len = -1;
8068                 else
8069                         wpas_request_connection(wpa_s);
8070         } else if (os_strcmp(buf, "REATTACH") == 0) {
8071                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
8072                     !wpa_s->current_ssid)
8073                         reply_len = -1;
8074                 else {
8075                         wpa_s->reattach = 1;
8076                         wpas_request_connection(wpa_s);
8077                 }
8078         } else if (os_strcmp(buf, "RECONNECT") == 0) {
8079                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8080                         reply_len = -1;
8081                 else if (wpa_s->disconnected)
8082                         wpas_request_connection(wpa_s);
8083 #ifdef IEEE8021X_EAPOL
8084         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
8085                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
8086                         reply_len = -1;
8087 #endif /* IEEE8021X_EAPOL */
8088 #ifdef CONFIG_PEERKEY
8089         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
8090                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
8091                         reply_len = -1;
8092 #endif /* CONFIG_PEERKEY */
8093 #ifdef CONFIG_IEEE80211R
8094         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
8095                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
8096                         reply_len = -1;
8097 #endif /* CONFIG_IEEE80211R */
8098 #ifdef CONFIG_WPS
8099         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
8100                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
8101                 if (res == -2) {
8102                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8103                         reply_len = 17;
8104                 } else if (res)
8105                         reply_len = -1;
8106         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
8107                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
8108                 if (res == -2) {
8109                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8110                         reply_len = 17;
8111                 } else if (res)
8112                         reply_len = -1;
8113         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
8114                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
8115                                                               reply,
8116                                                               reply_size);
8117         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
8118                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
8119                         wpa_s, buf + 14, reply, reply_size);
8120         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
8121                 if (wpas_wps_cancel(wpa_s))
8122                         reply_len = -1;
8123 #ifdef CONFIG_WPS_NFC
8124         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
8125                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
8126                         reply_len = -1;
8127         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
8128                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
8129                         reply_len = -1;
8130         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
8131                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
8132                         wpa_s, buf + 21, reply, reply_size);
8133         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
8134                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
8135                         wpa_s, buf + 14, reply, reply_size);
8136         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
8137                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
8138                                                                buf + 17))
8139                         reply_len = -1;
8140         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
8141                 reply_len = wpas_ctrl_nfc_get_handover_req(
8142                         wpa_s, buf + 21, reply, reply_size);
8143         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
8144                 reply_len = wpas_ctrl_nfc_get_handover_sel(
8145                         wpa_s, buf + 21, reply, reply_size);
8146         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
8147                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
8148                         reply_len = -1;
8149 #endif /* CONFIG_WPS_NFC */
8150         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
8151                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
8152                         reply_len = -1;
8153 #ifdef CONFIG_AP
8154         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
8155                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
8156                         wpa_s, buf + 11, reply, reply_size);
8157 #endif /* CONFIG_AP */
8158 #ifdef CONFIG_WPS_ER
8159         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
8160                 if (wpas_wps_er_start(wpa_s, NULL))
8161                         reply_len = -1;
8162         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
8163                 if (wpas_wps_er_start(wpa_s, buf + 13))
8164                         reply_len = -1;
8165         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
8166                 wpas_wps_er_stop(wpa_s);
8167         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
8168                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
8169                         reply_len = -1;
8170         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
8171                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
8172                 if (ret == -2) {
8173                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8174                         reply_len = 17;
8175                 } else if (ret == -3) {
8176                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
8177                         reply_len = 18;
8178                 } else if (ret == -4) {
8179                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
8180                         reply_len = 20;
8181                 } else if (ret)
8182                         reply_len = -1;
8183         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
8184                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
8185                         reply_len = -1;
8186         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
8187                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
8188                                                                 buf + 18))
8189                         reply_len = -1;
8190         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
8191                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
8192                         reply_len = -1;
8193 #ifdef CONFIG_WPS_NFC
8194         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
8195                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
8196                         wpa_s, buf + 24, reply, reply_size);
8197 #endif /* CONFIG_WPS_NFC */
8198 #endif /* CONFIG_WPS_ER */
8199 #endif /* CONFIG_WPS */
8200 #ifdef CONFIG_IBSS_RSN
8201         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
8202                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
8203                         reply_len = -1;
8204 #endif /* CONFIG_IBSS_RSN */
8205 #ifdef CONFIG_MESH
8206         } else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
8207                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8208                         wpa_s, buf + 19, reply, reply_size);
8209         } else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
8210                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8211                         wpa_s, "", reply, reply_size);
8212         } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
8213                 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
8214                         reply_len = -1;
8215         } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
8216                 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
8217                                                                 buf + 18))
8218                         reply_len = -1;
8219 #endif /* CONFIG_MESH */
8220 #ifdef CONFIG_P2P
8221         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
8222                 if (p2p_ctrl_find(wpa_s, buf + 8))
8223                         reply_len = -1;
8224         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
8225                 if (p2p_ctrl_find(wpa_s, ""))
8226                         reply_len = -1;
8227         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
8228                 wpas_p2p_stop_find(wpa_s);
8229         } else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
8230                 if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
8231                         reply_len = -1;
8232         } else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
8233                 if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
8234                         reply_len = -1;
8235         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
8236                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
8237                                              reply_size);
8238         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
8239                 if (p2p_ctrl_listen(wpa_s, buf + 11))
8240                         reply_len = -1;
8241         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
8242                 if (p2p_ctrl_listen(wpa_s, ""))
8243                         reply_len = -1;
8244         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
8245                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
8246                         reply_len = -1;
8247         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
8248                 if (p2p_ctrl_group_add(wpa_s, ""))
8249                         reply_len = -1;
8250         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
8251                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
8252                         reply_len = -1;
8253         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
8254                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
8255                         reply_len = -1;
8256         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
8257                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
8258         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
8259                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
8260                                                    reply_size);
8261         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
8262                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
8263                         reply_len = -1;
8264         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
8265                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
8266                         reply_len = -1;
8267         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
8268                 wpas_p2p_sd_service_update(wpa_s);
8269         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
8270                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
8271                         reply_len = -1;
8272         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
8273                 wpas_p2p_service_flush(wpa_s);
8274         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
8275                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
8276                         reply_len = -1;
8277         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
8278                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
8279                         reply_len = -1;
8280         } else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
8281                 if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
8282                         reply_len = -1;
8283         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
8284                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
8285                         reply_len = -1;
8286         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
8287                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
8288                         reply_len = -1;
8289         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
8290                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
8291                                               reply_size);
8292         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
8293                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
8294                         reply_len = -1;
8295         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
8296                 p2p_ctrl_flush(wpa_s);
8297         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
8298                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
8299                         reply_len = -1;
8300         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
8301                 if (wpas_p2p_cancel(wpa_s))
8302                         reply_len = -1;
8303         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
8304                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
8305                         reply_len = -1;
8306         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
8307                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
8308                         reply_len = -1;
8309         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
8310                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
8311                         reply_len = -1;
8312         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
8313                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
8314                         reply_len = -1;
8315         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
8316                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
8317                         reply_len = -1;
8318 #endif /* CONFIG_P2P */
8319 #ifdef CONFIG_WIFI_DISPLAY
8320         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
8321                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
8322                         reply_len = -1;
8323         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
8324                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
8325                                                      reply, reply_size);
8326 #endif /* CONFIG_WIFI_DISPLAY */
8327 #ifdef CONFIG_INTERWORKING
8328         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
8329                 if (interworking_fetch_anqp(wpa_s) < 0)
8330                         reply_len = -1;
8331         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
8332                 interworking_stop_fetch_anqp(wpa_s);
8333         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
8334                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
8335                         reply_len = -1;
8336         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
8337                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
8338                         reply_len = -1;
8339         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
8340                 if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
8341                         reply_len = -1;
8342         } else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
8343                 int id;
8344
8345                 id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
8346                 if (id < 0)
8347                         reply_len = -1;
8348                 else {
8349                         reply_len = os_snprintf(reply, reply_size, "%d\n", id);
8350                         if (os_snprintf_error(reply_size, reply_len))
8351                                 reply_len = -1;
8352                 }
8353         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
8354                 if (get_anqp(wpa_s, buf + 9) < 0)
8355                         reply_len = -1;
8356         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
8357                 if (gas_request(wpa_s, buf + 12) < 0)
8358                         reply_len = -1;
8359         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
8360                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
8361                                              reply_size);
8362 #endif /* CONFIG_INTERWORKING */
8363 #ifdef CONFIG_HS20
8364         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
8365                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
8366                         reply_len = -1;
8367         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
8368                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
8369                         reply_len = -1;
8370         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
8371                 if (hs20_icon_request(wpa_s, buf + 18) < 0)
8372                         reply_len = -1;
8373         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
8374                 if (hs20_fetch_osu(wpa_s) < 0)
8375                         reply_len = -1;
8376         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
8377                 hs20_cancel_fetch_osu(wpa_s);
8378 #endif /* CONFIG_HS20 */
8379         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
8380         {
8381                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
8382                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
8383                         reply_len = -1;
8384                 else {
8385                         /*
8386                          * Notify response from timeout to allow the control
8387                          * interface response to be sent first.
8388                          */
8389                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
8390                                                wpa_s, NULL);
8391                 }
8392         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
8393                 if (wpa_supplicant_reload_configuration(wpa_s))
8394                         reply_len = -1;
8395         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8396                 wpa_supplicant_terminate_proc(wpa_s->global);
8397         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
8398                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
8399                         reply_len = -1;
8400         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
8401                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
8402                         wpa_s, buf + 9, reply, reply_size);
8403         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
8404                 reply_len = wpa_supplicant_ctrl_iface_log_level(
8405                         wpa_s, buf + 9, reply, reply_size);
8406         } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
8407                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8408                         wpa_s, buf + 14, reply, reply_size);
8409         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
8410                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8411                         wpa_s, NULL, reply, reply_size);
8412         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
8413 #ifdef CONFIG_SME
8414                 wpa_s->sme.prev_bssid_set = 0;
8415 #endif /* CONFIG_SME */
8416                 wpa_s->reassociate = 0;
8417                 wpa_s->disconnected = 1;
8418                 wpa_supplicant_cancel_sched_scan(wpa_s);
8419                 wpa_supplicant_cancel_scan(wpa_s);
8420                 wpa_supplicant_deauthenticate(wpa_s,
8421                                               WLAN_REASON_DEAUTH_LEAVING);
8422                 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
8423         } else if (os_strcmp(buf, "SCAN") == 0) {
8424                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
8425         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
8426                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
8427         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
8428                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
8429                         wpa_s, reply, reply_size);
8430         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
8431                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
8432                         reply_len = -1;
8433         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
8434                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
8435                         reply_len = -1;
8436         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
8437                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
8438                         reply_len = -1;
8439         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
8440                 reply_len = wpa_supplicant_ctrl_iface_add_network(
8441                         wpa_s, reply, reply_size);
8442         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
8443                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
8444                         reply_len = -1;
8445         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8446                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
8447                         reply_len = -1;
8448         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
8449                 reply_len = wpa_supplicant_ctrl_iface_get_network(
8450                         wpa_s, buf + 12, reply, reply_size);
8451         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
8452                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12))
8453                         reply_len = -1;
8454         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
8455                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
8456                         wpa_s, reply, reply_size);
8457         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
8458                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
8459                         wpa_s, reply, reply_size);
8460         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
8461                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
8462                         reply_len = -1;
8463         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
8464                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
8465                         reply_len = -1;
8466         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
8467                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
8468                                                                reply,
8469                                                                reply_size);
8470 #ifndef CONFIG_NO_CONFIG_WRITE
8471         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8472                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
8473                         reply_len = -1;
8474 #endif /* CONFIG_NO_CONFIG_WRITE */
8475         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
8476                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
8477                         wpa_s, buf + 15, reply, reply_size);
8478         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
8479                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
8480                         reply_len = -1;
8481         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
8482                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
8483                         reply_len = -1;
8484         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8485                 reply_len = wpa_supplicant_global_iface_list(
8486                         wpa_s->global, reply, reply_size);
8487         } else if (os_strcmp(buf, "INTERFACES") == 0) {
8488                 reply_len = wpa_supplicant_global_iface_interfaces(
8489                         wpa_s->global, reply, reply_size);
8490         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
8491                 reply_len = wpa_supplicant_ctrl_iface_bss(
8492                         wpa_s, buf + 4, reply, reply_size);
8493 #ifdef CONFIG_AP
8494         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
8495                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
8496         } else if (os_strncmp(buf, "STA ", 4) == 0) {
8497                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
8498                                               reply_size);
8499         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
8500                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
8501                                                    reply_size);
8502         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
8503                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
8504                         reply_len = -1;
8505         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
8506                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
8507                         reply_len = -1;
8508         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
8509                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
8510                         reply_len = -1;
8511         } else if (os_strcmp(buf, "STOP_AP") == 0) {
8512                 if (wpas_ap_stop_ap(wpa_s))
8513                         reply_len = -1;
8514 #endif /* CONFIG_AP */
8515         } else if (os_strcmp(buf, "SUSPEND") == 0) {
8516                 wpas_notify_suspend(wpa_s->global);
8517         } else if (os_strcmp(buf, "RESUME") == 0) {
8518                 wpas_notify_resume(wpa_s->global);
8519 #ifdef CONFIG_TESTING_OPTIONS
8520         } else if (os_strcmp(buf, "DROP_SA") == 0) {
8521                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
8522 #endif /* CONFIG_TESTING_OPTIONS */
8523         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
8524                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
8525                         reply_len = -1;
8526         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
8527                 wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
8528         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
8529                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
8530                         reply_len = -1;
8531         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
8532                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
8533                                                                buf + 17))
8534                         reply_len = -1;
8535         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
8536                 wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
8537 #ifdef CONFIG_TDLS
8538         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
8539                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
8540                         reply_len = -1;
8541         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
8542                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
8543                         reply_len = -1;
8544         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
8545                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
8546                         reply_len = -1;
8547         } else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
8548                 if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
8549                                                                buf + 17))
8550                         reply_len = -1;
8551         } else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
8552                 if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
8553                                                                       buf + 24))
8554                         reply_len = -1;
8555         } else if (os_strncmp(buf, "TDLS_LINK_STATUS ", 17) == 0) {
8556                 reply_len = wpa_supplicant_ctrl_iface_tdls_link_status(
8557                         wpa_s, buf + 17, reply, reply_size);
8558 #endif /* CONFIG_TDLS */
8559         } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
8560                 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
8561         } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
8562                 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
8563                         reply_len = -1;
8564         } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
8565                 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
8566                         reply_len = -1;
8567         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
8568                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
8569                                                        reply_size);
8570         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
8571                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
8572                                                        reply_size);
8573 #ifdef CONFIG_AUTOSCAN
8574         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
8575                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
8576                         reply_len = -1;
8577 #endif /* CONFIG_AUTOSCAN */
8578 #ifdef ANDROID
8579         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
8580                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
8581                                                       reply_size);
8582 #endif /* ANDROID */
8583         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
8584                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
8585                                                       reply_size);
8586         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
8587                 pmksa_cache_clear_current(wpa_s->wpa);
8588                 eapol_sm_request_reauth(wpa_s->eapol);
8589 #ifdef CONFIG_WNM
8590         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
8591                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
8592                         reply_len = -1;
8593         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
8594                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
8595                                 reply_len = -1;
8596 #endif /* CONFIG_WNM */
8597         } else if (os_strcmp(buf, "FLUSH") == 0) {
8598                 wpa_supplicant_ctrl_iface_flush(wpa_s);
8599         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
8600                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
8601                                                  reply_size);
8602 #ifdef CONFIG_TESTING_OPTIONS
8603         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
8604                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
8605                         reply_len = -1;
8606         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
8607                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
8608         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
8609                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
8610                         reply_len = -1;
8611         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
8612                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
8613                         reply_len = -1;
8614         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
8615                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
8616                         reply_len = -1;
8617         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
8618                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
8619                         reply_len = -1;
8620         } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
8621                 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
8622                         reply_len = -1;
8623         } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
8624                 if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
8625                         reply_len = -1;
8626         } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
8627                 reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
8628         } else if (os_strncmp(buf, "TEST_FAIL ", 10) == 0) {
8629                 if (wpas_ctrl_test_fail(wpa_s, buf + 10) < 0)
8630                         reply_len = -1;
8631         } else if (os_strcmp(buf, "GET_FAIL") == 0) {
8632                 reply_len = wpas_ctrl_get_fail(wpa_s, reply, reply_size);
8633 #endif /* CONFIG_TESTING_OPTIONS */
8634         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
8635                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
8636                         reply_len = -1;
8637         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
8638                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
8639                                                       reply_size);
8640         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
8641                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
8642                         reply_len = -1;
8643         } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
8644                 if (wpas_ctrl_iface_send_neigbor_rep(wpa_s, buf + 20))
8645                         reply_len = -1;
8646         } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
8647                 wpas_ctrl_iface_erp_flush(wpa_s);
8648         } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
8649                 if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
8650                         reply_len = -1;
8651         } else {
8652                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8653                 reply_len = 16;
8654         }
8655
8656         if (reply_len < 0) {
8657                 os_memcpy(reply, "FAIL\n", 5);
8658                 reply_len = 5;
8659         }
8660
8661         *resp_len = reply_len;
8662         return reply;
8663 }
8664
8665
8666 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
8667                                            char *cmd)
8668 {
8669         struct wpa_interface iface;
8670         char *pos, *extra;
8671         struct wpa_supplicant *wpa_s;
8672         unsigned int create_iface = 0;
8673         u8 mac_addr[ETH_ALEN];
8674
8675         /*
8676          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
8677          * TAB<bridge_ifname>[TAB<create>]
8678          */
8679         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
8680
8681         os_memset(&iface, 0, sizeof(iface));
8682
8683         do {
8684                 iface.ifname = pos = cmd;
8685                 pos = os_strchr(pos, '\t');
8686                 if (pos)
8687                         *pos++ = '\0';
8688                 if (iface.ifname[0] == '\0')
8689                         return -1;
8690                 if (pos == NULL)
8691                         break;
8692
8693                 iface.confname = pos;
8694                 pos = os_strchr(pos, '\t');
8695                 if (pos)
8696                         *pos++ = '\0';
8697                 if (iface.confname[0] == '\0')
8698                         iface.confname = NULL;
8699                 if (pos == NULL)
8700                         break;
8701
8702                 iface.driver = pos;
8703                 pos = os_strchr(pos, '\t');
8704                 if (pos)
8705                         *pos++ = '\0';
8706                 if (iface.driver[0] == '\0')
8707                         iface.driver = NULL;
8708                 if (pos == NULL)
8709                         break;
8710
8711                 iface.ctrl_interface = pos;
8712                 pos = os_strchr(pos, '\t');
8713                 if (pos)
8714                         *pos++ = '\0';
8715                 if (iface.ctrl_interface[0] == '\0')
8716                         iface.ctrl_interface = NULL;
8717                 if (pos == NULL)
8718                         break;
8719
8720                 iface.driver_param = pos;
8721                 pos = os_strchr(pos, '\t');
8722                 if (pos)
8723                         *pos++ = '\0';
8724                 if (iface.driver_param[0] == '\0')
8725                         iface.driver_param = NULL;
8726                 if (pos == NULL)
8727                         break;
8728
8729                 iface.bridge_ifname = pos;
8730                 pos = os_strchr(pos, '\t');
8731                 if (pos)
8732                         *pos++ = '\0';
8733                 if (iface.bridge_ifname[0] == '\0')
8734                         iface.bridge_ifname = NULL;
8735                 if (pos == NULL)
8736                         break;
8737
8738                 extra = pos;
8739                 pos = os_strchr(pos, '\t');
8740                 if (pos)
8741                         *pos++ = '\0';
8742                 if (!extra[0])
8743                         break;
8744
8745                 if (os_strcmp(extra, "create") == 0)
8746                         create_iface = 1;
8747                 else {
8748                         wpa_printf(MSG_DEBUG,
8749                                    "INTERFACE_ADD unsupported extra parameter: '%s'",
8750                                    extra);
8751                         return -1;
8752                 }
8753         } while (0);
8754
8755         if (create_iface) {
8756                 wpa_printf(MSG_DEBUG, "CTRL_IFACE creating interface '%s'",
8757                            iface.ifname);
8758                 if (!global->ifaces)
8759                         return -1;
8760                 if (wpa_drv_if_add(global->ifaces, WPA_IF_STATION, iface.ifname,
8761                                    NULL, NULL, NULL, mac_addr, NULL) < 0) {
8762                         wpa_printf(MSG_ERROR,
8763                                    "CTRL_IFACE interface creation failed");
8764                         return -1;
8765                 }
8766
8767                 wpa_printf(MSG_DEBUG,
8768                            "CTRL_IFACE interface '%s' created with MAC addr: "
8769                            MACSTR, iface.ifname, MAC2STR(mac_addr));
8770         }
8771
8772         if (wpa_supplicant_get_iface(global, iface.ifname))
8773                 goto fail;
8774
8775         wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
8776         if (!wpa_s)
8777                 goto fail;
8778         wpa_s->added_vif = create_iface;
8779         return 0;
8780
8781 fail:
8782         if (create_iface)
8783                 wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, iface.ifname);
8784         return -1;
8785 }
8786
8787
8788 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
8789                                               char *cmd)
8790 {
8791         struct wpa_supplicant *wpa_s;
8792         int ret;
8793         unsigned int delete_iface;
8794
8795         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
8796
8797         wpa_s = wpa_supplicant_get_iface(global, cmd);
8798         if (wpa_s == NULL)
8799                 return -1;
8800         delete_iface = wpa_s->added_vif;
8801         ret = wpa_supplicant_remove_iface(global, wpa_s, 0);
8802         if (!ret && delete_iface) {
8803                 wpa_printf(MSG_DEBUG, "CTRL_IFACE deleting the interface '%s'",
8804                            cmd);
8805                 ret = wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, cmd);
8806         }
8807         return ret;
8808 }
8809
8810
8811 static void wpa_free_iface_info(struct wpa_interface_info *iface)
8812 {
8813         struct wpa_interface_info *prev;
8814
8815         while (iface) {
8816                 prev = iface;
8817                 iface = iface->next;
8818
8819                 os_free(prev->ifname);
8820                 os_free(prev->desc);
8821                 os_free(prev);
8822         }
8823 }
8824
8825
8826 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
8827                                             char *buf, int len)
8828 {
8829         int i, res;
8830         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
8831         char *pos, *end;
8832
8833         for (i = 0; wpa_drivers[i]; i++) {
8834                 const struct wpa_driver_ops *drv = wpa_drivers[i];
8835                 if (drv->get_interfaces == NULL)
8836                         continue;
8837                 tmp = drv->get_interfaces(global->drv_priv[i]);
8838                 if (tmp == NULL)
8839                         continue;
8840
8841                 if (last == NULL)
8842                         iface = last = tmp;
8843                 else
8844                         last->next = tmp;
8845                 while (last->next)
8846                         last = last->next;
8847         }
8848
8849         pos = buf;
8850         end = buf + len;
8851         for (tmp = iface; tmp; tmp = tmp->next) {
8852                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
8853                                   tmp->drv_name, tmp->ifname,
8854                                   tmp->desc ? tmp->desc : "");
8855                 if (os_snprintf_error(end - pos, res)) {
8856                         *pos = '\0';
8857                         break;
8858                 }
8859                 pos += res;
8860         }
8861
8862         wpa_free_iface_info(iface);
8863
8864         return pos - buf;
8865 }
8866
8867
8868 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
8869                                                   char *buf, int len)
8870 {
8871         int res;
8872         char *pos, *end;
8873         struct wpa_supplicant *wpa_s;
8874
8875         wpa_s = global->ifaces;
8876         pos = buf;
8877         end = buf + len;
8878
8879         while (wpa_s) {
8880                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
8881                 if (os_snprintf_error(end - pos, res)) {
8882                         *pos = '\0';
8883                         break;
8884                 }
8885                 pos += res;
8886                 wpa_s = wpa_s->next;
8887         }
8888         return pos - buf;
8889 }
8890
8891
8892 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
8893                                             const char *ifname,
8894                                             char *cmd, size_t *resp_len)
8895 {
8896         struct wpa_supplicant *wpa_s;
8897
8898         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8899                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
8900                         break;
8901         }
8902
8903         if (wpa_s == NULL) {
8904                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
8905                 if (resp)
8906                         *resp_len = os_strlen(resp);
8907                 else
8908                         *resp_len = 1;
8909                 return resp;
8910         }
8911
8912         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
8913 }
8914
8915
8916 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
8917                                                char *buf, size_t *resp_len)
8918 {
8919 #ifdef CONFIG_P2P
8920         static const char * cmd[] = {
8921                 "LIST_NETWORKS",
8922                 "P2P_FIND",
8923                 "P2P_STOP_FIND",
8924                 "P2P_LISTEN",
8925                 "P2P_GROUP_ADD",
8926                 "P2P_GET_PASSPHRASE",
8927                 "P2P_SERVICE_UPDATE",
8928                 "P2P_SERVICE_FLUSH",
8929                 "P2P_FLUSH",
8930                 "P2P_CANCEL",
8931                 "P2P_PRESENCE_REQ",
8932                 "P2P_EXT_LISTEN",
8933                 NULL
8934         };
8935         static const char * prefix[] = {
8936 #ifdef ANDROID
8937                 "DRIVER ",
8938 #endif /* ANDROID */
8939                 "GET_NETWORK ",
8940                 "REMOVE_NETWORK ",
8941                 "P2P_FIND ",
8942                 "P2P_CONNECT ",
8943                 "P2P_LISTEN ",
8944                 "P2P_GROUP_REMOVE ",
8945                 "P2P_GROUP_ADD ",
8946                 "P2P_PROV_DISC ",
8947                 "P2P_SERV_DISC_REQ ",
8948                 "P2P_SERV_DISC_CANCEL_REQ ",
8949                 "P2P_SERV_DISC_RESP ",
8950                 "P2P_SERV_DISC_EXTERNAL ",
8951                 "P2P_SERVICE_ADD ",
8952                 "P2P_SERVICE_DEL ",
8953                 "P2P_SERVICE_REP ",
8954                 "P2P_REJECT ",
8955                 "P2P_INVITE ",
8956                 "P2P_PEER ",
8957                 "P2P_SET ",
8958                 "P2P_UNAUTHORIZE ",
8959                 "P2P_PRESENCE_REQ ",
8960                 "P2P_EXT_LISTEN ",
8961                 "P2P_REMOVE_CLIENT ",
8962                 "WPS_NFC_TOKEN ",
8963                 "WPS_NFC_TAG_READ ",
8964                 "NFC_GET_HANDOVER_SEL ",
8965                 "NFC_GET_HANDOVER_REQ ",
8966                 "NFC_REPORT_HANDOVER ",
8967                 "P2P_ASP_PROVISION ",
8968                 "P2P_ASP_PROVISION_RESP ",
8969                 NULL
8970         };
8971         int found = 0;
8972         int i;
8973
8974         if (global->p2p_init_wpa_s == NULL)
8975                 return NULL;
8976
8977         for (i = 0; !found && cmd[i]; i++) {
8978                 if (os_strcmp(buf, cmd[i]) == 0)
8979                         found = 1;
8980         }
8981
8982         for (i = 0; !found && prefix[i]; i++) {
8983                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
8984                         found = 1;
8985         }
8986
8987         if (found)
8988                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
8989                                                          buf, resp_len);
8990 #endif /* CONFIG_P2P */
8991         return NULL;
8992 }
8993
8994
8995 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
8996                                                char *buf, size_t *resp_len)
8997 {
8998 #ifdef CONFIG_WIFI_DISPLAY
8999         if (global->p2p_init_wpa_s == NULL)
9000                 return NULL;
9001         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
9002             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
9003                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9004                                                          buf, resp_len);
9005 #endif /* CONFIG_WIFI_DISPLAY */
9006         return NULL;
9007 }
9008
9009
9010 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
9011                                            char *buf, size_t *resp_len)
9012 {
9013         char *ret;
9014
9015         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
9016         if (ret)
9017                 return ret;
9018
9019         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
9020         if (ret)
9021                 return ret;
9022
9023         return NULL;
9024 }
9025
9026
9027 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
9028 {
9029         char *value;
9030
9031         value = os_strchr(cmd, ' ');
9032         if (value == NULL)
9033                 return -1;
9034         *value++ = '\0';
9035
9036         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
9037
9038 #ifdef CONFIG_WIFI_DISPLAY
9039         if (os_strcasecmp(cmd, "wifi_display") == 0) {
9040                 wifi_display_enable(global, !!atoi(value));
9041                 return 0;
9042         }
9043 #endif /* CONFIG_WIFI_DISPLAY */
9044
9045         /* Restore cmd to its original value to allow redirection */
9046         value[-1] = ' ';
9047
9048         return -1;
9049 }
9050
9051
9052 #ifndef CONFIG_NO_CONFIG_WRITE
9053 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
9054 {
9055         int ret = 0, saved = 0;
9056         struct wpa_supplicant *wpa_s;
9057
9058         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9059                 if (!wpa_s->conf->update_config) {
9060                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
9061                         continue;
9062                 }
9063
9064                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
9065                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
9066                         ret = 1;
9067                 } else {
9068                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
9069                         saved++;
9070                 }
9071         }
9072
9073         if (!saved && !ret) {
9074                 wpa_dbg(wpa_s, MSG_DEBUG,
9075                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
9076                 ret = 1;
9077         }
9078
9079         return ret;
9080 }
9081 #endif /* CONFIG_NO_CONFIG_WRITE */
9082
9083
9084 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
9085                                          char *buf, size_t buflen)
9086 {
9087         char *pos, *end;
9088         int ret;
9089         struct wpa_supplicant *wpa_s;
9090
9091         pos = buf;
9092         end = buf + buflen;
9093
9094 #ifdef CONFIG_P2P
9095         if (global->p2p && !global->p2p_disabled) {
9096                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
9097                                   "\n"
9098                                   "p2p_state=%s\n",
9099                                   MAC2STR(global->p2p_dev_addr),
9100                                   p2p_get_state_txt(global->p2p));
9101                 if (os_snprintf_error(end - pos, ret))
9102                         return pos - buf;
9103                 pos += ret;
9104         } else if (global->p2p) {
9105                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
9106                 if (os_snprintf_error(end - pos, ret))
9107                         return pos - buf;
9108                 pos += ret;
9109         }
9110 #endif /* CONFIG_P2P */
9111
9112 #ifdef CONFIG_WIFI_DISPLAY
9113         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
9114                           !!global->wifi_display);
9115         if (os_snprintf_error(end - pos, ret))
9116                 return pos - buf;
9117         pos += ret;
9118 #endif /* CONFIG_WIFI_DISPLAY */
9119
9120         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9121                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
9122                                   "address=" MACSTR "\n",
9123                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
9124                 if (os_snprintf_error(end - pos, ret))
9125                         return pos - buf;
9126                 pos += ret;
9127         }
9128
9129         return pos - buf;
9130 }
9131
9132
9133 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
9134                                                 char *buf, size_t *resp_len)
9135 {
9136         char *reply;
9137         const int reply_size = 2048;
9138         int reply_len;
9139         int level = MSG_DEBUG;
9140
9141         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
9142                 char *pos = os_strchr(buf + 7, ' ');
9143                 if (pos) {
9144                         *pos++ = '\0';
9145                         return wpas_global_ctrl_iface_ifname(global,
9146                                                              buf + 7, pos,
9147                                                              resp_len);
9148                 }
9149         }
9150
9151         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
9152         if (reply)
9153                 return reply;
9154
9155         if (os_strcmp(buf, "PING") == 0)
9156                 level = MSG_EXCESSIVE;
9157         wpa_hexdump_ascii(level, "RX global ctrl_iface",
9158                           (const u8 *) buf, os_strlen(buf));
9159
9160         reply = os_malloc(reply_size);
9161         if (reply == NULL) {
9162                 *resp_len = 1;
9163                 return NULL;
9164         }
9165
9166         os_memcpy(reply, "OK\n", 3);
9167         reply_len = 3;
9168
9169         if (os_strcmp(buf, "PING") == 0) {
9170                 os_memcpy(reply, "PONG\n", 5);
9171                 reply_len = 5;
9172         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
9173                 if (wpa_supplicant_global_iface_add(global, buf + 14))
9174                         reply_len = -1;
9175         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
9176                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
9177                         reply_len = -1;
9178         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
9179                 reply_len = wpa_supplicant_global_iface_list(
9180                         global, reply, reply_size);
9181         } else if (os_strcmp(buf, "INTERFACES") == 0) {
9182                 reply_len = wpa_supplicant_global_iface_interfaces(
9183                         global, reply, reply_size);
9184         } else if (os_strcmp(buf, "TERMINATE") == 0) {
9185                 wpa_supplicant_terminate_proc(global);
9186         } else if (os_strcmp(buf, "SUSPEND") == 0) {
9187                 wpas_notify_suspend(global);
9188         } else if (os_strcmp(buf, "RESUME") == 0) {
9189                 wpas_notify_resume(global);
9190         } else if (os_strncmp(buf, "SET ", 4) == 0) {
9191                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
9192 #ifdef CONFIG_P2P
9193                         if (global->p2p_init_wpa_s) {
9194                                 os_free(reply);
9195                                 /* Check if P2P redirection would work for this
9196                                  * command. */
9197                                 return wpa_supplicant_ctrl_iface_process(
9198                                         global->p2p_init_wpa_s,
9199                                         buf, resp_len);
9200                         }
9201 #endif /* CONFIG_P2P */
9202                         reply_len = -1;
9203                 }
9204 #ifndef CONFIG_NO_CONFIG_WRITE
9205         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
9206                 if (wpas_global_ctrl_iface_save_config(global))
9207                         reply_len = -1;
9208 #endif /* CONFIG_NO_CONFIG_WRITE */
9209         } else if (os_strcmp(buf, "STATUS") == 0) {
9210                 reply_len = wpas_global_ctrl_iface_status(global, reply,
9211                                                           reply_size);
9212 #ifdef CONFIG_MODULE_TESTS
9213         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
9214                 int wpas_module_tests(void);
9215                 if (wpas_module_tests() < 0)
9216                         reply_len = -1;
9217 #endif /* CONFIG_MODULE_TESTS */
9218         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
9219                 if (wpa_debug_reopen_file() < 0)
9220                         reply_len = -1;
9221         } else {
9222                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
9223                 reply_len = 16;
9224         }
9225
9226         if (reply_len < 0) {
9227                 os_memcpy(reply, "FAIL\n", 5);
9228                 reply_len = 5;
9229         }
9230
9231         *resp_len = reply_len;
9232         return reply;
9233 }